CN101607569B - Baby carrier - Google Patents

Baby carrier Download PDF

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Publication number
CN101607569B
CN101607569B CN2009101157625A CN200910115762A CN101607569B CN 101607569 B CN101607569 B CN 101607569B CN 2009101157625 A CN2009101157625 A CN 2009101157625A CN 200910115762 A CN200910115762 A CN 200910115762A CN 101607569 B CN101607569 B CN 101607569B
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rod
bar
link
fork
backrest
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CN101607569A (en
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周军勇
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Abstract

The invention relates to a baby carrier. The pushing frame of the baby carrier comprises side brackets positioned at two sides, a foldable front support frame which is positioned at the front part of the pushing frame, a foldable rear support frame which is positioned at the rear part of the pushing frame, a front seat mechanism and a rear seat mechanism; the side bracket of each side comprises a front wheel bracket, a rear wheel bracket, a handrail frame, a push rod, a rear swing rod and a front connecting rod, wherein the front end part of the handrail frame is rotatably arranged at the upper part of the front wheel bracket and the upper part of the rear wheel bracket; the push rod is rotatably connected with the rear part of the handrail frame; the rear part of the rear swing rod is rotatably connected with the push rod; the front end part of the front connecting rod is rotatably connected with the front wheel bracket; the approximate middle part of the rear swing rod is rotatably connected with the rear wheel bracket; the rear end part of the front connecting rod is rotatably connected with the rear swing rod; the front seat mechanism comprises a front backrest rod; the lower end part of the front backrest rod is rotatably connected with the rear part of the front connecting rod; and the rear seat mechanism comprises a rear seat rod, and the front end part of the rear seat rod is rotatably connected with the rear wheel bracket. The baby carrier is a double-seat baby carrier, can self stand after folded, and has small volume.

Description

童车 stroller

技术领域technical field

本发明涉及一种童车。The invention relates to a baby carriage.

背景技术Background technique

现有技术中的童车，如专利申请号为200810096803.6、名称为婴儿车的公开文件中所示，一种童车，包括具有展开位置与折叠位置的推车车架、前轮组件、后轮组件、用于将所述的推车车架锁定于展开位置的锁定机构，所述的推车车架包括：The baby stroller in the prior art, as shown in the public document with the patent application number 200810096803.6 and the name of the baby carriage, a baby carriage includes a stroller frame with an unfolded position and a folded position, a front wheel assembly, a rear wheel assembly, A locking mechanism for locking the cart frame in the deployed position, the cart frame comprising:

第一前轮支架、第二前轮支架、第一后轮支架、第二后轮支架；The first front wheel bracket, the second front wheel bracket, the first rear wheel bracket, the second rear wheel bracket;

第一扶手架，所述的第一前轮支架的上部、所述的第一后轮支架的上部、所述的第一扶手架的前部三个部件中的两个部件相转动地连接，第三个部件与前述两个转动连接的部件中的一个部件相转动地连接；The first armrest frame, the upper part of the first front wheel bracket, the upper part of the first rear wheel bracket, and the two parts of the front part of the first armrest frame are rotatably connected, a third part is rotationally connected to one of the two rotatably connected parts;

第二扶手架，所述的第二前轮支架的上部、所述的第二后轮支架的上部、所述的第二扶手架的前部三个部件中的两个部件相转动地连接，第三个部件与前述两个转动连接的部件中的一个部件相转动地连接；The second armrest frame, the upper part of the second front wheel bracket, the upper part of the second rear wheel bracket, and the two parts of the front part of the second armrest frame are rotatably connected, a third part is rotationally connected to one of the two rotatably connected parts;

第一推杆，所述的第一扶手架的后部与所述的第一推杆相转动地连接；a first push rod, the rear part of the first armrest frame is rotatably connected with the first push rod;

第二推杆，所述的第二扶手架的后部与所述的第二推杆相转动地连接；a second push rod, the rear part of the second armrest frame is rotatably connected to the second push rod;

第一后摆杆，所述的第一后摆杆的后部与所述的第一推杆相转动地连接，所述的第一后摆杆的大致中部与所述的第一后轮支架相转动地连接；The first rear swing link, the rear part of the first rear swing link is rotationally connected with the first push rod, and the roughly middle part of the first rear swing link is connected with the first rear wheel bracket connected in rotation;

第二后摆杆，所述的第二后摆杆的后部与所述的第二推杆相转动地连接，所述的第二后摆杆的大致中部与所述的第二后轮支架相转动地连接；The second rear swing link, the rear part of the second rear swing link is rotationally connected with the second push rod, and the roughly middle part of the second rear swing link is connected with the second rear wheel bracket connected in rotation;

第一前连杆，所述的第一前连杆的前端部与所述的第一前轮支架相转动地连接，所述的第一前连杆的后端部与所述的第一后摆杆相转动地连接；The first front link, the front end of the first front link is rotatably connected to the first front wheel bracket, the rear end of the first front link is connected to the first rear The pendulum is connected in rotation;

第二前连杆，所述的第二前连杆的前端部与所述的第二前轮支架相转动地连接，所述的第二前连杆的后端部与所述的第二后摆杆相转动地连接；The second front link, the front end of the second front link is rotatably connected to the second front wheel bracket, the rear end of the second front link is connected to the second rear The pendulum is connected in rotation;

设置于所述的推车车架前侧部并允许所述的推车车架的横向尺寸减小的能够折叠的前撑架；a foldable front brace arranged at the front side of the cart frame and allowing the lateral size of the cart frame to be reduced;

设置于所述的推车车架后侧部并允许所述的推车车架的横向尺寸减小的能够折叠的后撑架。A collapsible rear brace arranged at the rear side of the stroller frame and allowing the lateral dimension of the stroller frame to be reduced.

该公开文件中显示的童车为单人座童车。The stroller shown in the public document is a single-seater stroller.

发明内容Contents of the invention

本发明要解决的技术问题是提供一种童车。The technical problem to be solved by the present invention is to provide a stroller.

在解决上述技术问题，本发明采用的一种技术方案是：In solving the problems of the technologies described above, a kind of technical scheme that the present invention adopts is:

一种童车，包括具有展开位置与折叠位置的推车车架、前轮组件、后轮组件、用于将所述的推车车架锁定于展开位置的锁定机构，所述的推车车架包括：A stroller, comprising a stroller frame with an unfolded position and a folded position, a front wheel assembly, a rear wheel assembly, a locking mechanism for locking the stroller frame in the unfolded position, the stroller frame include:

第一前轮支架、第二前轮支架、第一后轮支架、第二后轮支架；The first front wheel bracket, the second front wheel bracket, the first rear wheel bracket, the second rear wheel bracket;

第一扶手架，所述的第一前轮支架的上部、所述的第一后轮支架的上部、所述的第一扶手架的前部三个部件中的两个部件相转动地连接，第三个部件与前述两个转动连接的部件中的一个部件相转动地连接；The first armrest frame, the upper part of the first front wheel bracket, the upper part of the first rear wheel bracket, and the two parts of the front part of the first armrest frame are rotatably connected, a third part is rotationally connected to one of the two rotatably connected parts;

第二扶手架，所述的第二前轮支架的上部、所述的第二后轮支架的上部、所述的第二扶手架的前部三个部件中的两个部件相转动地连接，第三个部件与前述两个转动连接的部件中的一个部件相转动地连接；The second armrest frame, the upper part of the second front wheel bracket, the upper part of the second rear wheel bracket, and the two parts of the front part of the second armrest frame are rotatably connected, a third part is rotationally connected to one of the two rotatably connected parts;

第一推杆，所述的第一扶手架的后部与所述的第一推杆相转动地连接；a first push rod, the rear part of the first armrest frame is rotatably connected with the first push rod;

第二推杆，所述的第二扶手架的后部与所述的第二推杆相转动地连接；a second push rod, the rear part of the second armrest frame is rotatably connected to the second push rod;

第一后摆杆，所述的第一后摆杆的后部与所述的第一推杆相转动地连接，所述的第一后摆杆的大致中部与所述的第一后轮支架相转动地连接；The first rear swing link, the rear part of the first rear swing link is rotationally connected with the first push rod, and the roughly middle part of the first rear swing link is connected with the first rear wheel bracket connected in rotation;

第二后摆杆，所述的第二后摆杆的后部与所述的第二推杆相转动地连接，所述的第二后摆杆的大致中部与所述的第二后轮支架相转动地连接；The second rear swing link, the rear part of the second rear swing link is rotationally connected with the second push rod, and the roughly middle part of the second rear swing link is connected with the second rear wheel bracket connected in rotation;

第一前连杆，所述的第一前连杆的前端部与所述的第一前轮支架相转动地连接，所述的第一前连杆的后端部与所述的第一后摆杆相转动地连接；The first front link, the front end of the first front link is rotatably connected to the first front wheel bracket, the rear end of the first front link is connected to the first rear The pendulum is connected in rotation;

第二前连杆，所述的第二前连杆的前端部与所述的第二前轮支架相转动地连接，所述的第二前连杆的后端部与所述的第二后摆杆相转动地连接；The second front link, the front end of the second front link is rotatably connected to the second front wheel bracket, the rear end of the second front link is connected to the second rear The pendulum is connected in rotation;

设置于所述的推车车架前侧部并允许所述的推车车架的横向尺寸减小的能够折叠的前撑架；a foldable front brace arranged at the front side of the cart frame and allowing the lateral size of the cart frame to be reduced;

设置于所述的推车车架后侧部并允许所述的推车车架的横向尺寸减小的能够折叠的后撑架；a collapsible rear brace arranged at the rear side of the cart frame and allowing the lateral size of the cart frame to be reduced;

所述的推车车架还包括前座位机构与后座位机构，The cart frame also includes a front seat mechanism and a rear seat mechanism,

所述的前座位机构包括：Described front seat mechanism comprises:

第一前靠背杆，所述的第一前靠背杆的下端部与所述的第一前连杆的后部相转动地连接；a first front backrest rod, the lower end of the first front backrest rod is rotatably connected to the rear part of the first front link;

第二前靠背杆，所述的第二前靠背杆的下端部与所述的第二前连杆的后部相转动地连接，a second front backrest bar, the lower end of the second front backrest bar is rotatably connected to the rear part of the second front link,

所述的后座位机构包括：Described rear seat mechanism comprises:

第一后座杆，所述的第一后座杆的前端部与所述的第一后轮支架相转动地连接；a first rear seat post, the front end of the first rear seat post is rotatably connected to the first rear wheel bracket;

第二后座杆，所述的第二后座杆的前端部与所述的第二后轮支架相转动地连接。The second rear seat post, the front end of the second rear seat post is rotatably connected with the second rear wheel bracket.

在某些实施方式中，所述的第一前靠背杆与所述的第二前靠背杆之间设置有允许所述的推车车架的横向尺寸减小的并能够折叠的前靠背撑架。使得童车在展开位置下前靠背较硬朗，儿童靠着较舒适，而且不影响横向折叠。In some embodiments, a foldable front backrest support that allows the transverse size of the stroller frame to be reduced is provided between the first front backrest bar and the second front backrest bar . The front backrest of the stroller in the unfolded position is made stronger, and the child leans on it more comfortably, and the horizontal folding is not affected.

在某些实施方式中，所述的前座位机构还包括：In some embodiments, the front seat mechanism also includes:

第一前靠背连杆，所述的第一前靠背连杆的一端部与所述的第一前靠背杆相转动地连接，所述的第一前靠背连杆的另一端部与所述的第一后摆杆的前部相转动地连接；The first front backrest link, one end of the first front backrest link is rotatably connected to the first front backrest link, and the other end of the first front backrest link is connected to the first backrest link. the front portion of the first rear swing link is rotationally connected;

第二前靠背连杆，所述的第二前靠背连杆的一端部与所述的第二前靠背杆相转动地连接，所述的第二前靠背连杆的另一端部与所述的第二后摆杆的前部相转动地连接。第一前靠背连杆与第二前靠背连杆起的作用是将第一前靠背杆与第二前靠背杆的位置定位。The second front backrest link, one end of the second front backrest link is rotatably connected to the second front backrest link, and the other end of the second front backrest link is connected to the second front backrest link. The front portion of the second rear swing link is rotatably connected. The function of the first front backrest link and the second front backrest link is to position the first front backrest bar and the second front backrest bar.

在某些实施方式中，所述的第一后座杆的前端部与所述的第一后轮支架的转动连接处位于所述的第一后摆杆与所述的第一后轮支架的转动连接处的上方，所述的第二后座杆的前端部与所述的第二后轮支架的转动连接处位于所述的第二后摆杆与所述的第二后轮支架的转动连接处的上方。In some embodiments, the rotational connection between the front end of the first rear seatpost and the first rear wheel bracket is located between the first rear swing bar and the first rear wheel bracket. Above the rotation connection, the rotation connection between the front end of the second rear seat post and the second rear wheel bracket is located between the rotation of the second rear swing bar and the second rear wheel bracket. above the connection.

在某些实施方式中，所述的后座位机构还包括：In some embodiments, the rear seat mechanism also includes:

第一后座连杆，所述的第一后座连杆的上端部与所述的第一后座杆相转动地连接，所述的第一后座连杆的下端部与所述的第一后摆杆相转动地连接；The first rear seat link, the upper end of the first rear seat link is rotationally connected with the first rear seat link, the lower end of the first rear seat link is connected with the first rear seat link a rear swing link is rotationally connected;

第二后座连杆，所述的第二后座连杆的上端部与所述的第二后座杆相转动地连接，所述的第二后座连杆的下端部与所述的第二后摆杆相转动地连接。第一后座连杆与第二后座连杆起的作用是将所述的第一后座杆与第二后座杆定位。The second rear seat link, the upper end of the second rear seat link is rotatably connected to the second rear seat link, and the lower end of the second rear seat link is connected to the first rear seat link. The two rear swing rods are connected in rotation. The function of the first rear seat connecting rod and the second rear seat connecting rod is to position the first rear seat rod and the second rear seat rod.

在某些进一步实施方式中，所述的第一后轮支架与所述的第一后摆杆的转动连接处位于所述的第一前连杆与所述的第一后摆杆的转动连接处和所述的第一后座连杆与所述的第一后摆杆的转动连接处之间；所述的第二后轮支架与所述的第二后摆杆的转动连接处位于所述的第二前连杆与所述的第二后摆杆的转动连接处和所述的第二后座连杆与所述的第二后摆杆的转动连接处之间。In some further embodiments, the rotational connection between the first rear wheel bracket and the first rear swing link is located at the rotational connection between the first front link and the first rear swing link between the first rear seat link and the first rear swing link; the second rear wheel support and the second rear swing link are located at the Between the rotational joint of the second front link and the second rear swing link and the rotational joint of the second rear seat link and the second rear swing link.

在某些实施方式中，所述的后座位机构还包括：下端部与所述的第一后座杆的后部相转动地连接的第一后靠背杆、下端部与所述的第二后座杆的后部相转动地连接的第二后靠背杆。通过所述的第一后靠背杆及所述的第二后靠背杆使得所述的后靠背比较有型，而不仅仅是块布料构成的靠背。In some embodiments, the rear seat mechanism further includes: a first rear backrest rod whose lower end is rotatably connected to the rear portion of the first rear seat rod, a lower end connected to the second rear The rear portion of the seat post is rotatably connected to the second rear backrest bar. Through the first backrest bar and the second backrest bar, the backrest is more stylish, not just a backrest made of a piece of cloth.

在某些进一步实施方式中，所述的第一后靠背杆与所述的第二后靠背杆之间设置有允许所述的推车车架的横向尺寸减小的并能够折叠的后靠背撑架。使得童车在展开位置下后靠背较硬朗，儿童靠着较舒适，而且不影响横向折叠。In some further embodiments, a foldable rear back support that allows the transverse size of the stroller frame to be reduced is provided between the first rear back bar and the second back back bar. shelf. The rear backrest of the stroller in the unfolded position is made stronger, and the child leans on it more comfortably, and the horizontal folding is not affected.

在某些实施方式中，所述的第一后摆杆上的从所述的第一后摆杆与所述的第一前连杆的转动连接处向前延伸形成的延伸段为第一限位部，所述的第二后摆杆上的从所述的第二后摆杆与所述的第二前连杆的转动连接处向前延伸形成的延伸段为第二限位部，所述的第一前连杆的后部具有第一加强件，所述的第一加强件上具有第一挡部，所述的第二前连杆的后部具有第二加强件，所述的第二加强件上具有第二挡部，当所述的推车车架处于展开位置下，所述的第一限位部压在所述的第一挡部上，所述的第二限位部压在所述的第二挡部上。前座位机构强度高，牢固。儿童坐在前座位机构上时较安全。In some embodiments, the extension section of the first rear swing link that extends forward from the rotational connection between the first rear swing link and the first front link is the first limit. Position part, the extension section formed by extending forward from the rotational connection between the second rear swing link and the second front link on the second rear swing link is the second stopper, so The rear part of the first front connecting rod has a first reinforcing member, and the first reinforcing member has a first stopper, and the rear part of the second front connecting rod has a second reinforcing member. There is a second stop on the second reinforcing member. When the cart frame is in the unfolded position, the first stop is pressed against the first stop, and the second stop The part is pressed on the second blocking part. The front seat mechanism has high strength and is firm. Children are safer when seated on the front seat mechanism.

在某些实施方式中，所述的第一后座杆与所述的第二后座杆之间设置有允许所述的推车车架的横向尺寸减小的并能够折叠的后座杆撑架。使得童车在展开位置下后座位较硬朗，儿童坐着较舒适，而且不影响横向折叠。In some embodiments, a foldable rear seat post is provided between the first rear seat post and the second rear seat post to allow the transverse size of the cart frame to be reduced. shelf. The rear seat of the stroller in the unfolded position is made stronger, the child can sit more comfortably, and the horizontal folding is not affected.

本发明的范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案等。The scope of the present invention is not limited to technical solutions formed by a specific combination of the above technical features, but also covers other technical solutions formed by any combination of the above technical features or equivalent features. For example, technical solutions formed by replacing the above-mentioned features with (but not limited to) technical features with similar functions disclosed in this application.

由于上述技术方案运用，本发明与现有技术相比具有下列优点：由于推车车架上设置有前座位机构与后座位机构，因而构成双人座童车，并且推车车架的各杆件之间的设置合理，推车车架折叠后推把杆的上端部能依然竖直向上，第一前轮支架、第二前轮支架、第一后轮支架与第二后轮支架相靠拢，前轮组件及后轮组件对推车车架形成支撑，即折叠后能够自立，使得使用者拿取方便，并且推车车架折叠后体积较小，便于运输。Due to the application of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art: since the front seat mechanism and the rear seat mechanism are arranged on the cart frame, a double-seat stroller is formed, and the bars of the cart frame The setting of the space is reasonable, the upper end of the push handle bar can still be vertically upward after the cart frame is folded, the first front wheel bracket, the second front wheel bracket, the first rear wheel bracket and the second rear wheel bracket are close together, the front The wheel assembly and the rear wheel assembly support the cart frame, that is, they can stand on their own after being folded, making it easy for users to take it, and the folded cart frame is small in size and convenient for transportation.

附图说明Description of drawings

附图1为本发明的主视图(推车车架处于展开位置)；Accompanying drawing 1 is the front view of the present invention (cart frame is in unfolded position);

附图2为本发明的主视图(推车车架位于展开位置与折叠位置的转换过程中)；Accompanying drawing 2 is the front view of the present invention (cart frame is positioned at the conversion process of expanded position and folded position);

附图3为本发明的主视图(推车车架处于折叠位置中)；Accompanying drawing 3 is the front view of the present invention (the cart frame is in the folded position);

附图4为本发明的立体图一(推车车架处于展开位置下)；Accompanying drawing 4 is perspective view one of the present invention (cart frame is under the expanded position);

附图5为本发明的立体图二(推车车架处于展开位置下)；Accompanying drawing 5 is perspective view two of the present invention (cart frame is under the expanded position);

附图6为本发明的立体图(推车车架位于展开位置与折叠位置的转换过程中)。Accompanying drawing 6 is a perspective view of the present invention (the cart frame is in the conversion process between the unfolded position and the folded position).

其中：1、推车车架；2a、第一前轮组件；2b、第二前轮组件；3a、第一后轮组件；3b、第二后轮组件；4a、第一前轮支架；4b、第二前轮支架；5a、第一推杆；5b、第二推杆；6a、第一后轮支架；6b、第二后轮支架；7a、第一扶手架；7b、第二扶手架；8a、第一后摆杆；8b、第二后摆杆；9a、第一前连杆；9b、第二前连杆；10a、第一后座杆；10b、第二后座杆；11a、第一后座连杆；11b、第二后座连杆；12a、第一前靠背杆；12b、第二前靠背杆；13a、第一前靠背连杆；13b、第二前靠背连杆；14a、第一后靠背杆；14b、第二后靠背杆；15、前撑架；15a、第一撑杆；15b、第二撑杆；16、后撑架；16a、第三撑杆；16b、第四撑杆；17a、第一加强件；17b、第二加强件；Among them: 1. Cart frame; 2a, first front wheel assembly; 2b, second front wheel assembly; 3a, first rear wheel assembly; 3b, second rear wheel assembly; 4a, first front wheel bracket; 4b , the second front wheel bracket; 5a, the first push rod; 5b, the second push rod; 6a, the first rear wheel bracket; 6b, the second rear wheel bracket; 7a, the first armrest frame; 7b, the second armrest frame ; 8a, the first rear swing link; 8b, the second rear swing link; 9a, the first front link; 9b, the second front link; 10a, the first rear seat post; 10b, the second rear seat post; 11a , the first rear seat link; 11b, the second rear seat link; 12a, the first front backrest bar; 12b, the second front backrest link; 13a, the first front backrest link; 13b, the second front backrest link 14a, the first backrest bar; 14b, the second backrest bar; 15, the front brace; 15a, the first brace; 15b, the second brace; 16, the rear brace; 16a, the third brace; 16b, the fourth strut; 17a, the first reinforcement; 17b, the second reinforcement;

31a、第一转接件；31b、第二转接件；31c、第三转接件；31d、第四转接件；32a、第五转接件；32b、第六转接件；32c、第七转接件；32d、第八转接件。31a, the first adapter; 31b, the second adapter; 31c, the third adapter; 31d, the fourth adapter; 32a, the fifth adapter; 32b, the sixth adapter; 32c, The seventh adapter; 32d, the eighth adapter.

具体实施方式Detailed ways

如各附图所示，一种童车，包括具有展开位置与折叠位置的推车车架1、前轮组件、后轮组件、用于将所述的推车车架1锁定于展开位置的锁定机构、(无图示)设置在所述的推车车架1的布套。前轮组件包括第一前轮组件2a、第二前轮组件2b，后轮组件包括第一后轮组件3a、第二后轮组件3b。As shown in the accompanying drawings, a stroller includes a stroller frame 1 with an unfolded position and a folded position, a front wheel assembly, a rear wheel assembly, and a locking mechanism for locking the stroller frame 1 in the unfolded position. Mechanism, (not shown) is arranged on the cloth cover of described cart frame 1. The front wheel assembly includes a first front wheel assembly 2a and a second front wheel assembly 2b, and the rear wheel assembly includes a first rear wheel assembly 3a and a second rear wheel assembly 3b.

如各附图所示，所述的推车车架1包括：As shown in the accompanying drawings, the cart frame 1 includes:

第一前轮支架4a，所述的第一前轮支架4a的下端部设置有第一前轮组件2a；A first front wheel bracket 4a, the lower end of the first front wheel bracket 4a is provided with a first front wheel assembly 2a;

第二前轮支架4b，所述的第二前轮支架4b的下端部设置有第二前轮组件2b；A second front wheel bracket 4b, the lower end of the second front wheel bracket 4b is provided with a second front wheel assembly 2b;

第一后轮支架6a，所述的第一后轮支架6a的下端部设置有第一后轮组件3a；A first rear wheel bracket 6a, the lower end of the first rear wheel bracket 6a is provided with a first rear wheel assembly 3a;

第二后轮支架6b，所述的第二后轮支架6b的下端部设置有第二后轮组件3b；The second rear wheel bracket 6b, the lower end of the second rear wheel bracket 6b is provided with a second rear wheel assembly 3b;

第一扶手架7a，所述的第一前轮支架4a的上部、所述的第一后轮支架6a的上部、所述的第一扶手架7a的前部三个部件相同轴转动地连接；The first armrest frame 7a, the upper part of the first front wheel bracket 4a, the upper part of the first rear wheel bracket 6a, and the front part of the first armrest frame 7a are connected with the same axis;

第二扶手架7b，所述的第二前轮支架4b的上部、所述的第二后轮支架6b的上部、所述的第二扶手架7b的前部三个部件相同轴转动地连接；The second armrest frame 7b, the upper part of the second front wheel bracket 4b, the upper part of the second rear wheel bracket 6b, and the front part of the second armrest frame 7b are connected with the same axis to rotate;

第一推杆5a，所述的第一扶手架7a的后部与所述的第一推杆5a相转动地连接；The first push rod 5a, the rear part of the first armrest frame 7a is rotatably connected with the first push rod 5a;

第二推杆5b，所述的第二扶手架7b的后部与所述的第二推杆5b相转动地连接；The second push rod 5b, the rear part of the second armrest frame 7b is rotationally connected with the second push rod 5b;

第一后摆杆8a，所述的第一后摆杆8a的后端部与所述的第一推杆5a相转动地连接，所述的第一后摆杆8a的后部与所述的第一推杆5a的转动连接处位于所述的第一扶手架7a的后部与所述的第一推杆5a的转动连接处的下方，所述的第一后摆杆8a的大致中部与所述的第一后轮支架6a相转动地连接；The first rear swing link 8a, the rear end of the first rear swing link 8a is rotatably connected with the first push rod 5a, and the rear part of the first rear swing link 8a is connected with the first push rod 5a. The rotation connection of the first push rod 5a is located below the rotation connection of the rear part of the first armrest frame 7a and the first push rod 5a, and the approximate middle part of the first rear swing rod 8a is in contact with the rotation connection of the first push rod 5a. The first rear wheel bracket 6a is rotatably connected;

第二后摆杆8b，所述的第二后摆杆8b的后部与所述的第二推杆5b相转动地连接，所述的第二后摆杆8b的后部与所述的第二推杆5b的转动连接处位于所述的第二扶手架7b的后部与所述的第二推杆5b的转动连接处的下方，所述的第二后摆杆8b的大致中部与所述的第二后轮支架6b相转动地连接；The second rear swing link 8b, the rear part of the second rear swing link 8b is rotationally connected with the second push rod 5b, and the rear part of the second rear swing link 8b is connected with the first push rod 5b. The rotational connection of the two push rods 5b is located below the rotational connection between the rear part of the second armrest frame 7b and the second push rod 5b, and the approximate middle part of the second rear swing rod 8b is in contact with the second push rod 5b. The second rear wheel bracket 6b described above is rotatably connected;

第一前连杆9a，所述的第一前连杆9a的前端部与所述的第一前轮支架4a相转动地连接，所述的第一前连杆9a的后端部与所述的第一后摆杆8a相转动地连接；The first front link 9a, the front end of the first front link 9a is rotationally connected with the first front wheel bracket 4a, and the rear end of the first front link 9a is connected with the first front wheel bracket 4a. The first rear swing link 8a is rotatably connected;

第二前连杆9b，所述的第二前连杆9b的前端部与所述的第二前轮支架4b相转动地连接，所述的第二前连杆9b的后端部与所述的第二后摆杆8b相转动地连接；The second front link 9b, the front end of the second front link 9b is rotationally connected with the second front wheel bracket 4b, and the rear end of the second front link 9b is connected with the second front wheel bracket 4b. The second rear swing link 8b is rotatably connected;

设置于所述的推车车架1前侧部并允许所述的推车车架1的横向尺寸减小的能够折叠的前撑架15；A foldable front brace 15 that is arranged on the front side of the cart frame 1 and allows the transverse size of the cart frame 1 to be reduced;

设置于所述的推车车架1后侧部并允许所述的推车车架1的横向尺寸减小的能够折叠的后撑架16；A foldable rear support 16 arranged on the rear side of the cart frame 1 and allowing the lateral size of the cart frame 1 to be reduced;

所述的推车车架1还包括前座位机构与后座位机构，The cart frame 1 also includes a front seat mechanism and a rear seat mechanism,

如附图2所示，所述的前座位机构包括：As shown in accompanying drawing 2, described front seat mechanism comprises:

第一前靠背杆12a，所述的第一前靠背杆12a的下端部与所述的第一前连杆9a的后部相转动地连接；The first front backrest bar 12a, the lower end of the first front backrest bar 12a is rotationally connected with the rear part of the first front link 9a;

第二前靠背杆12b，所述的第二前靠背杆12b的下端部与所述的第二前连杆9b的后部相转动地连接；The second front backrest bar 12b, the lower end of the second front backrest bar 12b is rotatably connected to the rear part of the second front link 9b;

在前座位机构中，所述的第一前连杆9a与所述的第二前连杆9b同时也是构成了两个前座杆，即所述的第一前连杆9a与所述的第二前连杆9b之间能够设置前座位，In the front seat mechanism, the first front link 9a and the second front link 9b simultaneously constitute two front seat posts, that is, the first front link 9a and the second A front seat can be provided between the front links 9b,

如附图2、附图4所示，所述的后座位机构包括：As shown in accompanying drawing 2, accompanying drawing 4, described rear seat mechanism comprises:

第一后座杆10a，所述的第一后座杆10a的前端部与所述的第一后轮支架6a相转动地连接；A first rear seat post 10a, the front end of the first rear seat post 10a is rotatably connected to the first rear wheel bracket 6a;

第二后座杆10b，所述的第二后座杆10b的前端部与所述的第二后轮支架6b相转动地连接，所述的第一后座杆10a与所述的第二后座杆10b之间能够设置后座位。The second rear seat post 10b, the front end of the second rear seat post 10b is rotatably connected to the second rear wheel bracket 6b, the first rear seat post 10a is connected to the second rear A rear seat can be provided between the seatposts 10b.

如附图4-附图6所示，所述的第一前靠背杆12a与所述的第二前靠背杆12b之间设置有允许所述的推车车架1的横向尺寸减小的并能够折叠的前靠背撑架。所述的前靠背撑架包括一端部与所述的第一前靠背杆12a的上部相转动连接的第一前靠背撑杆、一端部与所述的第二前靠背杆12b的上部相转动连接的第二前靠背撑杆、一端部与所述的第一前靠背杆12a的下部相转动连接的第三前靠背撑杆、与所述的第三前靠背撑杆相交叉并在交叉处相转动连接的第四前靠背撑杆，所述的第四前靠背撑杆的一端部与所述的第二前靠背杆12b的下部相转动地连接，所述的第三前靠背撑杆的另一端部与所述的第二前靠背撑杆的另一端部相转动地连接，所述的第四前靠背撑杆的另一端部与所述的第一前靠背撑杆的另一端部相转动地连接。As shown in accompanying drawing 4-accompanying drawing 6, between the described first front back bar 12a and the described second front back bar 12b, there is a cross section that allows the transverse size of the cart frame 1 to be reduced and Foldable front backrest support. The front back support frame includes a first front back support bar whose one end is rotatably connected to the upper part of the first front back bar 12a, and one end is rotatably connected to the upper part of the second front back bar 12b. The second front backrest strut, the third front backrest strut whose one end is rotatably connected to the lower part of the first front backrest bar 12a, intersects with the third front backrest strut and intersects at the intersection The fourth front back support rod connected in rotation, one end of the fourth front back support rod is rotatably connected with the lower part of the second front back support rod 12b, the other end of the third front back support rod One end is rotatably connected with the other end of the second front back support bar, and the other end of the fourth front back support bar is rotatable with the other end of the first front back support bar ground connection.

如附图2、附图6所示，所述的前座位机构还包括：As shown in accompanying drawing 2, accompanying drawing 6, described front seat mechanism also comprises:

第一前靠背连杆13a，所述的第一前靠背连杆13a的一端部与所述的第一前靠背杆12a相转动地连接，所述的第一前靠背连杆13a的另一端部与所述的第一后摆杆8a的前部相转动地连接，第一前靠背连杆13a、所述的第一前靠背杆12a、所述的第一后摆杆8a与所述的第一前连杆9a之间构成连杆机构，当推车车架1处于展开位置下，所述的第一前靠背杆12a的位置是处于展开并定位，而当推车车架1折叠时，所述的第一前靠背杆12a也是折叠收起的，The first front backrest link 13a, one end of the first front backrest link 13a is rotationally connected with the first front backrest link 12a, and the other end of the first front backrest link 13a Rotately connected with the front part of the first rear swing link 8a, the first front back link 13a, the first front back link 12a, the first rear swing link 8a and the first back link A linkage mechanism is formed between the front connecting rods 9a. When the cart frame 1 is in the unfolded position, the first front backrest bar 12a is in the unfolded and positioned position, and when the cart frame 1 is folded, The first front backrest bar 12a is also folded,

第二前靠背连杆13b，所述的第二前靠背连杆13b的一端部与所述的第二前靠背杆12b相转动地连接，所述的第二前靠背连杆13b的另一端部与所述的第二后摆杆8b的前部相转动地连接，第二前靠背连杆13b、所述的第二前靠背杆12b、所述的第二后摆杆8b与所述的第二前连杆9b之间构成连杆机构，当推车车架1处于展开位置下，所述的第二前靠背杆12b的位置是处于展开并定位，而当推车车架1折叠时，所述的第二前靠背杆12b也是折叠收起的。第一前靠背连杆13a与第二前靠背连杆13b起的作用是将第一前靠背杆12a与第二前靠背杆12b的位置定位。第一前靠背杆12a与第二前靠背杆12b的位置定位还可以通过其它方式实现，如第一前靠背杆12a的下部与第一前连杆9a的后部相转动地连接，而在该转动连接处设置一个锁定机构，该锁定机构可以是滑动地设置在所述的第一前靠背杆的下部的锁销、开设置在第一前连杆后部的多个锁槽，该锁定机构锁定时，锁销插在一个锁槽内，第二前靠背杆12b可采用相同的方式。The second front backrest link 13b, one end of the second front backrest link 13b is rotationally connected with the second front backrest link 12b, and the other end of the second front backrest link 13b Rotately connected with the front part of the second rear swing link 8b, the second front backrest link 13b, the second front backrest link 12b, the second rear swing link 8b and the first A link mechanism is formed between the two front connecting rods 9b. When the cart frame 1 is in the unfolded position, the position of the second front backrest bar 12b is unfolded and positioned, and when the cart frame 1 is folded, The second front backrest bar 12b is also folded and stowed. The function of the first front backrest link 13a and the second front backrest link 13b is to position the first front backrest bar 12a and the second front backrest bar 12b. The position location of the first front backrest bar 12a and the second front backrest bar 12b can also be realized by other means, as the bottom of the first front backrest bar 12a is rotationally connected with the rear part of the first front connecting rod 9a, and in this A locking mechanism is arranged at the rotating joint, and the locking mechanism can be a lock pin slidably arranged at the bottom of the first front backrest bar, a plurality of lock slots arranged at the rear of the first front link rod, the locking mechanism When locked, the lock pin is inserted in a lock groove, and the same method can be used for the second front backrest bar 12b.

如附图1、附图2所示，所述的第一后座杆10a的前端部与所述的第一后轮支架6a的转动连接处位于所述的第一后摆杆8a与所述的第一后轮支架6a的转动连接处的上方，所述的第二后座杆10b的前端部与所述的第二后轮支架6b的转动连接处位于所述的第二后摆杆8b与所述的第二后轮支架6b的转动连接处的上方。As shown in accompanying drawing 1 and accompanying drawing 2, the rotation joint between the front end of the first rear seat bar 10a and the first rear wheel bracket 6a is located between the first rear swing bar 8a and the first rear wheel bracket 6a. Above the rotation connection of the first rear wheel bracket 6a, the rotation connection between the front end of the second rear seat post 10b and the second rear wheel bracket 6b is located at the second rear swing bar 8b Above the pivot connection with the second rear wheel bracket 6b.

如附图4-附图6所示，所述的后座位机构还包括：As shown in accompanying drawing 4-accompanying drawing 6, described rear seat mechanism also includes:

第一后座连杆11a，所述的第一后座连杆11a的上端部与所述的第一后座杆10a相转动地连接，所述的第一后座连杆11a的下端部与所述的第一后摆杆8a相转动地连接，所述的第一后座杆10a、所述的第一后座连杆11a、所述的第一后摆杆8a及所述的第一后轮支架6a构成连杆机构，当推车车架1处于展开位置下，所述的第一后座杆10a的位置是处于展开并定位，而当推车车架1折叠时，所述的第一后座杆10a也是折叠收起的；The first rear seat link 11a, the upper end of the first rear seat link 11a is rotationally connected with the first rear seat link 10a, the lower end of the first rear seat link 11a is connected with the first rear seat link 10a The first rear swing link 8a is rotationally connected, the first rear seat post 10a, the first rear seat link 11a, the first rear swing link 8a and the first The rear wheel bracket 6a constitutes a link mechanism. When the cart frame 1 is in the unfolded position, the position of the first rear seat post 10a is unfolded and positioned, and when the cart frame 1 is folded, the The first rear seat post 10a is also folded;

第二后座连杆11b，所述的第二后座连杆11b的上端部与所述的第二后座杆10b相转动地连接，所述的第二后座连杆11b的下端部与所述的第二后摆杆8b相转动地连接，所述的第二后座杆10b、所述的第二后座连杆11b、所述的第二后摆杆8b及所述的第二后轮支架6b构成连杆机构，当推车车架1处于展开位置下，所述的第二后座杆10b的位置是处于展开并定位，而当推车车架1折叠时，所述的第二后座杆10b也是折叠收起的。第一后座杆10a与第二后座杆10b的定位还可以通过其它方式实现，如在第一推杆5a的下端部连接有第一拉绳的一端部，在第二推杆5b的下端部连接有第二拉绳的一端部，第一拉绳的另一端部连接在第一后座杆10a的后部，第二接绳的另一端部连接在第二后座杆10b的后部。The second rear seat link 11b, the upper end of the second rear seat link 11b is rotationally connected with the second rear seat post 10b, and the lower end of the second rear seat link 11b is connected with the second rear seat link 11b. The second rear swing link 8b is rotationally connected, the second rear seat post 10b, the second rear seat link 11b, the second rear swing link 8b and the second The rear wheel bracket 6b constitutes a link mechanism. When the cart frame 1 is in the unfolded position, the position of the second rear seat post 10b is unfolded and positioned, and when the cart frame 1 is folded, the The second rear seatpost 10b is also folded and stowed. The positioning of the first rear seat rod 10a and the second rear seat rod 10b can also be realized by other means, such as connecting an end of the first pull cord at the lower end of the first push rod 5a, and connecting the lower end of the second push rod 5b part is connected with one end of the second stay cord, the other end of the first stay cord is connected to the rear of the first rear seat post 10a, and the other end of the second cord is connected to the rear of the second rear seat post 10b .

如各附图所示，所述的后座位机构还包括：As shown in the accompanying drawings, the described rear seat mechanism also includes:

第一后靠背杆14a，所述的第一后靠背杆14a的下端部与所述的第一后座杆10a的后部相转动地连接；The first backrest bar 14a, the lower end of the first backrest bar 14a is rotatably connected to the rear part of the first backrest bar 10a;

第二后靠背杆14b，所述的第二后靠背杆14b的下端部与所述的第二后座杆10b的后部相转动地连接。The second rear backrest rod 14b, the lower end of the second rear backrest rod 14b is rotationally connected with the rear part of the second rear seat rod 10b.

如附图4-附图6所示，所述的第一后靠背杆14a与所述的第二后靠背杆14b之间设置有允许所述的推车车架1的横向尺寸减小的并能够折叠的后靠背撑架。所述的后靠背撑架包括一端部与所述的第一后靠背杆14a的上部相转动连接的第一后靠背撑杆、一端部与所述的第二后靠背杆14b的上部相转动连接的第二后靠背撑杆、一端部与所述的第一后靠背杆14a的下部相转动连接的第三后靠背撑杆、与所述的第三后靠背撑杆相交叉并在交叉处相转动连接的第四后靠背撑杆，所述的第四后靠背撑杆的一端部与所述的第二后靠背杆14b的下部相转动地连接，所述的第三后靠背撑杆的另一端部与所述的第二后靠背撑杆的另一端部相转动地连接，所述的第四后靠背撑杆的另一端部与所述的第一后靠背撑杆的另一端部相转动地连接。As shown in accompanying drawing 4-accompanying drawing 6, between described first backrest bar 14a and described second backrest bar 14b, be provided with and allow the transverse dimension of described trolley frame 1 to reduce and Foldable backrest support. The backrest brace includes a first backrest support bar whose end is rotatably connected to the upper part of the first backrest bar 14a, and whose end is rotatably connected to the upper part of the second backrest bar 14b. The second rear backrest strut, the third rear backrest strut whose one end is rotatably connected to the lower part of the first rear backrest strut 14a, intersects with the third rear backrest strut and intersects at the intersection The fourth rear backrest strut that is rotatably connected, one end of the fourth rear backrest strut is rotatably connected to the lower part of the second rear backrest strut 14b, and the other end of the third rear backrest strut One end is rotatably connected with the other end of the second back support rod, and the other end of the fourth rear back support rod is rotatable with the other end of the first rear back support rod ground connection.

如附图所示，所述的第一后摆杆8a上的从所述的第一后摆杆8a与所述的第一前连杆9a的转动连接处向前延伸形成的延伸段为第一限位部，所述的第二后摆杆8b上的从所述的第二后摆杆8b与所述的第二前连杆9b的转动连接处向前延伸形成的延伸段为第二限位部，所述的第一前连杆9a的后部具有第一加强件17a，所述的第一加强件17a上具有第一挡部，所述的第二前连杆9b的后部具有第二加强件17b，所述的第二加强件17b上具有第二挡部，当所述的推车车架1处于展开位置下，所述的第一限位部压在所述的第一挡部上，所述的第二限位部压在所述的第二挡部上。所述的第一加强件17a的后端部与所述的第一后摆杆8a相转动地连接，所述的第二加强件17b的后端部与所述的第二后摆杆8b相转动地连接。所述的第一挡部上方具有第一槽，所述的第二挡部上方具有第二槽，当所述的推车车架1处于展开位置下，所述的第一限位部位于所述的第一槽内，所述的第二限位部位于所述的第二槽内。As shown in the drawings, the extension section on the first rear swing link 8a extending forward from the rotational connection between the first rear swing link 8a and the first front connecting rod 9a is the second A limiting part, the extension section on the second rear swing link 8b extending forward from the rotational connection between the second rear swing link 8b and the second front connecting rod 9b is the second Limiting part, the rear part of the first front connecting rod 9a has a first reinforcement 17a, and the first reinforcement 17a has a first stop part, and the rear part of the second front connecting rod 9b There is a second reinforcing member 17b, and the second reinforcing member 17b has a second blocking portion. When the cart frame 1 is in the unfolded position, the first limiting portion is pressed against the first On the first blocking portion, the second limiting portion is pressed against the second blocking portion. The rear end of the first reinforcement 17a is rotatably connected to the first rear swing link 8a, and the rear end of the second reinforcement 17b is connected to the second rear swing link 8b. rotationally connected. There is a first groove above the first blocking part, and a second groove above the second blocking part. When the cart frame 1 is in the unfolded position, the first limiting part is located at the In the first groove, the second limiting part is located in the second groove.

如各附图所示，所述的第一后轮支架6a与所述的第一后摆杆8a的转动连接处位于所述的第一前连杆9a与所述的第一后摆杆8a的转动连接处和所述的第一后座连杆11a与所述的第一后摆杆8a的转动连接处之间；所述的第二后轮支架6b与所述的第二后摆杆8b的转动连接处位于所述的第二前连杆9b与所述的第二后摆杆8b的转动连接处和所述的第二后座连杆11b与所述的第二后摆杆8b的转动连接处之间。As shown in the drawings, the rotational connection between the first rear wheel bracket 6a and the first rear swing link 8a is located between the first front link 9a and the first rear swing link 8a between the rotating connection of the first rear seat link 11a and the first rear swing link 8a; the second rear wheel bracket 6b and the second rear swing link The rotational connection of 8b is located at the rotational connection of the second front link 9b and the second rear swing link 8b and the second rear seat link 11b and the second rear swing link 8b between the rotating joints.

如各附图所示，所述的前撑架15是由第一撑杆15a、第二撑杆15b两根杆件相交叉并在交叉处相转动连接所构成的，所述的第一撑杆15a的一端部与所述的第一前轮支架4a的下部通过第一转接件31a相转动地设置，所述的第一撑杆15a的另一端部与所述的第二后摆杆8b通过第四转接件31d相转动地设置，所述的第四转接件31d、所述的第二前靠背连杆13b及所述的第二后摆杆8b的前部相同轴转动连接，所述的第二撑杆15b的一端部与所述的第二前轮支架4b通过第二转接件31b相转动地设置，所述的第二撑杆15b的另一端部与所述的第一后摆杆8a通过第三转接件31c相转动地设置，所述的第三转接件31c、所述的第一前靠背连杆13a及所述的第一后摆杆8a的前部相同轴转动连接。前撑架结构简单，并使得推车车架的前侧部强度高。As shown in the accompanying drawings, the front brace 15 is composed of two rods, the first brace 15a and the second brace 15b, which intersect and are rotatably connected at the intersection. One end of the rod 15a and the lower part of the first front wheel bracket 4a are arranged to rotate through the first adapter 31a, and the other end of the first strut 15a is connected to the second rear swing rod. 8b is rotatably arranged through the fourth adapter 31d, the front part of the fourth adapter 31d, the second front backrest link 13b and the second rear swing link 8b are connected with the same axis for rotation. , one end of the second strut 15b and the second front wheel bracket 4b are rotated through the second adapter 31b, and the other end of the second strut 15b is connected to the second The first rear swing link 8a is rotatably arranged through the third adapter 31c, the front of the third adapter 31c, the first front back link 13a and the first rear swing link 8a The parts are connected with the same axis for rotation. The front brace has a simple structure and makes the front side of the cart frame high in strength.

如附图4-附图6所示，所述的后撑架16是由第三撑杆16a、第四撑杆16b相交叉并在交叉处相转动连接所构成的，所述的第三撑杆16a的一端部与所述的第一后轮支架6a通过第七转接件32c相转动地设置，所述的第三撑杆16a的另一端部与所述的第二推杆5b的下部通过第六转接件32b相转动地设置，所述的第四撑杆16b的一端部与所述的第二后轮支架6b通过第八转接件32d相转动地设置，所述的第四撑杆16b的另一端部与所述的第一推杆5a的下部通过第五转接件32a相转动地设置。后撑架结构简单，并使得推车车架的前侧部强度高。所述的后撑架还可以是仅仅设置在所述的第一后轮支架与所述的第二后轮支架之间。As shown in accompanying drawing 4-accompanying drawing 6, described back support frame 16 is formed by the intersection of the 3rd support rod 16a, the 4th support rod 16b and is connected in rotation at the intersection, and the described 3rd support rod One end of the rod 16a is rotatably arranged with the first rear wheel bracket 6a through the seventh adapter 32c, and the other end of the third strut 16a is connected with the lower part of the second push rod 5b. The sixth adapter 32b is rotatably arranged, and one end of the fourth strut 16b and the second rear wheel bracket 6b are rotatably arranged through the eighth adapter 32d, and the fourth The other end of the support rod 16b is rotatably arranged with the lower part of the first push rod 5a through the fifth adapter 32a. The rear brace has a simple structure and makes the front side of the stroller frame high in strength. The rear support bracket can also be only arranged between the first rear wheel bracket and the second rear wheel bracket.

如附图4-附图6所示，所述的第一后座杆10a与所述的第二后座杆10b之间设置有允许所述的推车车架1的横向尺寸减小的并能够折叠的后座杆撑架。所述的后座杆撑架包括一端部与所述的第一后座杆10a的后部相转动连接的第一后座杆撑杆、一端部与所述的第二后座杆10b的后部相转动连接的第二后座杆撑杆、一端部与所述的第一后座杆10a的前部相转动连接的第三后座杆撑杆、与所述的第三后座杆撑杆相交叉并在交叉处相转动连接的第四后座杆撑杆，所述的第四后座杆撑杆的一端部与所述的第二后座杆10b的前部相转动地连接，所述的第三后座杆撑杆的另一端部与所述的第二后座杆撑杆的另一端部相转动地连接，所述的第四后座杆撑杆的另一端部与所述的第一后座杆撑杆的另一端部相转动地连接。As shown in accompanying drawings 4 to 6, there is a cross section between the first rear seat post 10a and the second rear seat post 10b that allows the transverse size of the cart frame 1 to be reduced. Foldable rear seat post brace. The rear seat post brace includes a first rear seat post brace with one end rotatably connected to the rear of the first rear seat post 10a, and one end connected to the rear of the second rear seat post 10b. part of the second rear seat rod stay rotatably connected, one end of the third rear seat rod stay rotatably connected to the front of the first rear seat rod 10a, and the third rear seat rod stay a fourth rear seat post strut whose rods intersect and are rotatably connected at the intersection, one end of the fourth rear seat post 10b is rotatably connected to the front part of the second rear seat post 10b, The other end of the third rear seat post stay is rotatably connected to the other end of the second rear seat post stay, and the other end of the fourth rear seat post stay is connected to the other end of the second rear seat post stay. The other end portion of the first rear seat post strut described above is rotatably connected.

如附图1-附图3所示，所述的第一后座连杆11a与所述的第一后摆杆8a的转动连接处位于所述的第一后轮支架6a与所述的第一后摆杆8a的转动连接处与所述的第一推杆5a与所述的第一后摆杆8a的转动连接处之间，所述的第二后座连杆11b与所述的第二后摆杆8b的转动连接处位于所述的第二后轮支架6b与所述的第二后摆杆8b的转动连接处与所述的第二推杆5b与所述的第二后摆杆8b的转动连接处之间。As shown in accompanying drawing 1-accompanying drawing 3, the rotating joint of described first rear seat link 11a and described first rear swing link 8a is located at described first rear wheel support 6a and described first Between the rotation connection of a rear swing link 8a and the rotation connection of the first push rod 5a and the first rear swing link 8a, the second rear seat link 11b and the first The rotation connection of the two rear swing rods 8b is located at the rotation connection of the second rear wheel bracket 6b and the second rear swing rod 8b and the second push rod 5b and the second rear swing between the pivot joints of the rod 8b.

所述的第一前连杆9a与所述的第一后摆杆8a的转动连接处位于所述的第二撑杆15b与所述的第一后摆杆8a的转动设置处、所述的第一后轮支架6a与所述的第一后摆杆8a的转动连接处之间，所述的第二前连杆9b与所述的第二后摆杆8b的转动连接处位于所述的第一撑杆15a与所述的第二后摆杆8b的转动设置处、所述的第二后轮支架6b与所述的第二后摆杆8b的转动连接处之间。The rotation joint of the first front link 9a and the first rear swing link 8a is located at the rotation arrangement of the second strut 15b and the first rear swing link 8a, the Between the first rear wheel bracket 6a and the pivotal joint of the first rear swing link 8a, the pivotal joint of the second front link 9b and the second rear swing link 8b is located at the Between the first strut 15a and the second rear swing link 8b where the rotation is arranged, and the second rear wheel bracket 6b and the second rear swing link 8b where the rotation is connected.

所述的第一前连杆9a的前端部与所述的第一前轮支架4a的大致中部相转动地连接，所述的第二前连杆9b的前端部与所述的第二前轮支架4b的大致中部相转动地连接。所述的第一前连杆9a与所述的第一前轮支架4a的转动连接处位于所述的第一撑杆15a与所述的第一前轮支架4a的转动设置处的上方，所述的第二前连杆9b与所述的第二前轮支架4b的转动连接处位于所述的第二撑杆15b与所述的第二前轮支架4b的转动设置处的上方。The front end of the first front connecting rod 9a is rotatably connected to the approximate middle of the first front wheel bracket 4a, and the front end of the second front connecting rod 9b is connected to the second front wheel The substantially middle part of the bracket 4b is rotatably connected. The rotational connection between the first front link 9a and the first front wheel bracket 4a is located above the rotational arrangement between the first strut 15a and the first front wheel bracket 4a, so The rotational connection of the second front connecting rod 9b and the second front wheel bracket 4b is located above the rotational arrangement of the second strut 15b and the second front wheel bracket 4b.

所述的第一推杆5a的下端部与所述的第一后轮支架6a之间设置有锁定机构，所述的锁定机构可以包括设置在第一推杆5a下端部的弹舌、开设在所述的第一后轮支架6a上的锁槽，锁定时弹舌插在所述的锁槽内，解锁时弹舌脱离所述的锁槽；同样的，所述的第二推杆5b的下端部与所述的第二后轮支架6b之间设置有锁定机构，所述的锁定机构可以包括设置在第二推杆5b下端部的弹舌、开设在所述的第二后轮支架6b上的锁槽，锁定时弹舌插在所述的锁槽内，解锁时弹舌脱离所述的锁槽。A locking mechanism is provided between the lower end of the first push rod 5a and the first rear wheel bracket 6a, and the locking mechanism may include a spring tongue arranged at the lower end of the first push rod 5a, set in The locking groove on the first rear wheel bracket 6a, when locked, the elastic tongue is inserted in the described locking groove, and when unlocked, the elastic tongue breaks away from the described locking groove; similarly, the elastic tongue of the second push rod 5b A locking mechanism is provided between the lower end and the second rear wheel bracket 6b, and the locking mechanism may include a spring tongue arranged at the lower end of the second push rod 5b, and a spring located on the second rear wheel bracket 6b. When locking, the spring tongue is inserted into the lock groove, and when unlocking, the spring tongue breaks away from the lock groove.

如附图4、附图5所示，所述的第一推杆5a与所述的第二推杆5b之间设置有可折叠的横撑，所述的横撑的一外端部与所述的第一推杆5a的上部相转动地连接，所述的横撑的另一外端部与所述的第二推杆5b的上部相转动地连接。所述的横撑包括外端部与所述的第一推杆5a的上部相转动地连接的第一横杆、外端部与所述的第二推杆5b的上部相转动地连接的第二横杆、横杆连接件，所述的第一横杆的内端部与所述的横杆连接件的一端部相转动地连接，所述的第二横杆的内端部与所述的横杆连接件的另一端部相转动地连接。As shown in accompanying drawing 4 and accompanying drawing 5, a foldable cross brace is arranged between the first push rod 5a and the second push rod 5b, and an outer end of the cross brace is connected to the The upper part of the first push rod 5a is rotatably connected, and the other outer end of the cross brace is rotatably connected with the upper part of the second push rod 5b. The cross brace includes a first cross bar whose outer end is rotatably connected to the upper part of the first push rod 5a, and a first cross bar whose outer end is rotatably connected to the upper part of the second push rod 5b. Two crossbars and crossbar connectors, the inner end of the first crossbar is rotatably connected to one end of the crossbar connector, the inner end of the second crossbar is connected to the The other end of the crossbar connector is rotatably connected.

所述的第一后摆杆8a上的从所述的第一后摆杆8a与所述的第一前连杆9a的转动连接处向前延伸形成的延伸段为第一限位部，所述的第二后摆杆8b上的从所述的第二后摆杆8b与所述的第二前连杆9b的转动连接处向前延伸形成的延伸段为第二限位部。The extension section on the first rear swing link 8a extending forward from the rotational connection between the first rear swing link 8a and the first front link 9a is the first stopper, so The extension section formed on the second rear swing link 8b extending forward from the rotational connection between the second rear swing link 8b and the second front connecting rod 9b is a second limiting portion.

所述的第一前连杆9a与所述的第一后摆杆8a的转动连接处位于所述的第二撑杆15b与所述的第一后摆杆8a的转动设置处、所述的第一后轮支架6a与所述的第一后摆杆8a的转动连接处之间，所述的第二前连杆9b与所述的第二后摆杆8b的转动连接处位于所述的第一撑杆15a与所述的第二后摆杆8b的转动设置处、所述的第二后轮支架6b与所述的第二后摆杆8b的转动连接处之间。The rotation joint of the first front link 9a and the first rear swing link 8a is located at the rotation arrangement of the second strut 15b and the first rear swing link 8a, the Between the first rear wheel bracket 6a and the pivotal joint of the first rear swing link 8a, the pivotal joint of the second front link 9b and the second rear swing link 8b is located at the Between the first strut 15a and the second rear swing link 8b where the rotation is arranged, and the second rear wheel bracket 6b and the second rear swing link 8b where the rotation is connected.

所述的第一后轮支架6a与所述的第一后摆杆8a的转动连接处位于所述的第一前连杆9a与所述的第一后摆杆8a的转动连接处和所述的第一推杆5a与所述的第一后摆杆8a的转动连接处之间；所述的第二后轮支架6b与所述的第二后摆杆8b的转动连接处位于所述的第二前连杆9b与所述的第二后摆杆8b的转动连接处和所述的第二推杆5b与所述的第二后摆杆8b的转动连接处之间。The rotational connection between the first rear wheel bracket 6a and the first rear swing link 8a is located at the rotational connection between the first front link 9a and the first rear swing link 8a and the between the first push rod 5a and the first rear swing link 8a; the second rear wheel support 6b and the second rear swing link 8b are located at the Between the rotational connection of the second front link 9b and the second rear swing link 8b and the rotational connection of the second push rod 5b and the second rear swing link 8b.

以上涉及到前、后、上、下等方位词是在推车车架处于展开位置下作定义的，所述的前轮组件所在位置为前，后轮组件所在的位置为后，推杆所在的位置为上。The orientation words such as front, rear, up, and down mentioned above are defined when the cart frame is in the unfolded position, the position of the front wheel assembly is the front, the position of the rear wheel assembly is the rear, and the position of the push rod is The position is up.

如上所述，我们完全按照本发明的宗旨进行了说明，但本发明并非局限于上述实施例和实施方法。相关技术领域的从业者可在本发明的技术思想许可的范围内进行不同的变化及实施。As mentioned above, we have fully described according to the purpose of the present invention, but the present invention is not limited to the above-mentioned embodiments and implementation methods. Practitioners in the relevant technical fields may make various changes and implementations within the scope permitted by the technical ideas of the present invention.

Claims (10)

1. a perambulator comprises go-cart vehicle frame (1), front component, the wheel assembly with expanded position and folding position, the lockout mechanism that is used for described go-cart vehicle frame (1) is locked in expanded position, and described go-cart vehicle frame (1) comprising:
First front-wheel support (4a), second front-wheel support (4b), first rear wheel support (6a), second rear wheel support (6b);
First arm-rest frame (7a), two parts in three parts in the front portion of the top of the top of described first front-wheel support (4a), described first rear wheel support (6a), described first arm-rest frame (7a) connect rotatedly, and the 3rd parts are connected rotatedly with parts in aforementioned two parts that are rotationally connected;
Second arm-rest frame (7b), two parts in three parts in the front portion of the top of the top of described second front-wheel support (4b), described second rear wheel support (6b), described second arm-rest frame (7b) connect rotatedly, and the 3rd parts are connected rotatedly with parts in aforementioned two parts that are rotationally connected;
First push rod (5a), the rear portion of described first arm-rest frame (7a) is connected rotatedly with described first push rod (5a);
Second push rod (5b), the rear portion of described second arm-rest frame (7b) is connected rotatedly with described second push rod (5b);
The first back fork (8a), the rear portion of the described first back fork (8a) is connected rotatedly with described first push rod (5a), and the approximate mid-section of the described first back fork (8a) is connected rotatedly with described first rear wheel support (6a);
The second back fork (8b), the rear portion of the described second back fork (8b) is connected rotatedly with described second push rod (5b), and the approximate mid-section of the described second back fork (8b) is connected rotatedly with described second rear wheel support (6b);
First front rod (9a), the leading section of described first front rod (9a) is connected rotatedly with described first front-wheel support (4a), and the rearward end of described first front rod (9a) is connected rotatedly with the described first back fork (8a);
Second front rod (9b), the leading section of described second front rod (9b) is connected rotatedly with described second front-wheel support (4b), and the rearward end of described second front rod (9b) is connected rotatedly with the described second back fork (8b);
The front pole-bracket that can fold (15) that is arranged at described go-cart vehicle frame (1) front side portion and allows the lateral dimension of described go-cart vehicle frame (1) to reduce;
The back pole-bracket that can fold (16) that is arranged at described go-cart vehicle frame (1) rear lateral portion and allows the lateral dimension of described go-cart vehicle frame (1) to reduce;
It is characterized in that: described go-cart vehicle frame (1) also comprises front seats mechanism and back seat mechanism,
Described front seats mechanism comprises:
Back support bar (12a) before first, the bottom of the described first preceding back support bar (12a) is connected rotatedly with the rear portion of described first front rod (9a);
Back support bar (12b) before second, the bottom of the described second preceding back support bar (12b) is connected rotatedly with the rear portion of described second front rod (9b),
Described back seat mechanism comprises:
The first back seat bar (10a), the leading section of the described first back seat bar (10a) is connected rotatedly with described first rear wheel support (6a);
The second back seat bar (10b), the leading section of the described second back seat bar (10b) is connected rotatedly with described second rear wheel support (6b).
2. perambulator according to claim 1 is characterized in that: be provided with the lateral dimension that allows described go-cart vehicle frame (1) preceding backrest support that reduce and that can fold before described first before the back support bar (12a) and described second between the back support bar (12b).
3. perambulator according to claim 1 and 2 is characterized in that: described front seats mechanism also comprises:
Backrest connecting rod (13a) before first, an end of backrest connecting rod (13a) and the described first preceding back support bar (12a) are connected rotatedly before described first, and the front portion of the other end of the described first preceding backrest connecting rod (13a) and the described first back fork (8a) is connected rotatedly;
Backrest connecting rod (13b) before second, an end of backrest connecting rod (13b) and the described second preceding back support bar (12b) are connected rotatedly before described second, and the front portion of the other end of the described second preceding backrest connecting rod (13b) and the described second back fork (8b) is connected rotatedly.
4. perambulator according to claim 1, it is characterized in that: the place of being rotationally connected of the leading section of the described first back seat bar (10a) and described first rear wheel support (6a) is positioned at the top at the place that is rotationally connected of described first back fork (8a) and described first rear wheel support (6a), and the place of being rotationally connected of the leading section of the described second back seat bar (10b) and described second rear wheel support (6b) is positioned at the top at the place that is rotationally connected of described second back fork (8b) and described second rear wheel support (6b).
5. perambulator according to claim 1 is characterized in that: described back seat mechanism also comprises:
The first back seat connecting rod (11a), the upper end of the described first back seat connecting rod (11a) is connected rotatedly with the described first back seat bar (10a), and the bottom of the described first back seat connecting rod (11a) is connected rotatedly with the described first back fork (8a);
The second back seat connecting rod (11b), the upper end of the described second back seat connecting rod (11b) is connected rotatedly with the described second back seat bar (10b), and the bottom of the described second back seat connecting rod (11b) is connected rotatedly with the described second back fork (8b).
6. perambulator according to claim 5 is characterized in that: the place of being rotationally connected of described first rear wheel support (6a) and the described first back fork (8a) is positioned at the place of being rotationally connected of described first front rod (9a) and the described first back fork (8a) and being rotationally connected between the place of described first back seat connecting rod (11a) and the described first back fork (8a); The place of being rotationally connected of described second rear wheel support (6b) and the described second back fork (8b) is positioned at the place of being rotationally connected of described second front rod (9b) and the described second back fork (8b) and being rotationally connected between the place of described second back seat connecting rod (11b) and the described second back fork (8b).
7. perambulator according to claim 1 or 5 is characterized in that: described back seat mechanism also comprises:
The first back back support bar (14a), the bottom of the described first back back support bar (14a) is connected rotatedly with the rear portion of the described first back seat bar (10a);
The second back back support bar (14b), the bottom of the described second back back support bar (14b) is connected rotatedly with the rear portion of the described second back seat bar (10b).
8. perambulator according to claim 7 is characterized in that: be provided with the lateral dimension that allows described go-cart vehicle frame (1) back backrest support that reduce and that can fold between described first back back support bar (14a) and the described second back back support bar (14b).
9. perambulator according to claim 1, it is characterized in that: the extension that extends to form forward that is rotationally connected from described first back fork (8a) and described first front rod (9a) on the described first back fork (8a) is first limiting section, the extension that extends to form forward that is rotationally connected from described second back fork (8b) and described second front rod (9b) on the described second back fork (8b) is second limiting section, the rear portion of described first front rod (9a) has first reinforcement (17a), has first stopper on described first reinforcement (17a), the rear portion of described second front rod (9b) has second reinforcement (17b), has second stopper on described second reinforcement (17b), when described go-cart vehicle frame (1) is under the expanded position, described first limiting section is pressed on described first stopper, and described second limiting section is pressed on described second stopper.
10. perambulator according to claim 1 is characterized in that: be provided with the lateral dimension that allows described go-cart vehicle frame (1) back seat bar support that reduce and that can fold between described first back seat bar (10a) and the described second back seat bar (10b).
CN2009101157625A 2009-07-23 2009-07-23 Baby carrier Active CN101607569B (en)

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CN101987630B (en) * 2009-07-29 2013-01-09 明门香港股份有限公司 double seater stroller
CN102975757B (en) * 2011-09-05 2016-03-30 明门香港股份有限公司 collapsible infant carrier
CN103507846B (en) * 2013-09-05 2016-04-13 好孩子儿童用品有限公司 Children trolley
CN107444457B (en) * 2017-09-04 2023-09-26 昆山威凯儿童用品有限公司 Foldable baby stroller
CN107650992A (en) * 2017-09-08 2018-02-02 柯全德 A kind of frame for baby cart
CN107985381B (en) * 2017-12-05 2024-07-02 好孩子儿童用品有限公司 Double children's shallow
CN108032899A (en) * 2018-01-10 2018-05-15 柯全德 A kind of perambulator
CN108839705B (en) * 2018-05-29 2023-10-31 好孩子儿童用品有限公司 A children's stroller

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