CN111252131A - Frame of baby carriage - Google Patents

Frame of baby carriage Download PDF

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Publication number
CN111252131A
CN111252131A CN201910786872.8A CN201910786872A CN111252131A CN 111252131 A CN111252131 A CN 111252131A CN 201910786872 A CN201910786872 A CN 201910786872A CN 111252131 A CN111252131 A CN 111252131A
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China
Prior art keywords
connecting rod
link
pivoted
foot
linkage
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李进彪
刘祎敏
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Tongyin Maternal And Infant Products Shanghai Co ltd
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Shanghai Yuntong Children's Products Co Ltd
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Priority to CN201910786872.8A priority Critical patent/CN111252131A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)

Abstract

本发明揭露了一种童车车架，其包括前脚、后脚、第一连杆、第二连杆、第三连杆，所述第一连杆前端枢接于前脚，后端枢接于后脚；第二连杆前端枢接于前脚，所述第三连杆后端枢接于后脚，所述第二连杆后端与第三连杆前端枢接于所述第一连杆并可相对第一连杆一起前后移动，如此设置，当使得后脚上端往后旋转移动时，后脚下端则相对往前旋转移动，从而带动第三连杆往后旋转移动，第二连杆后端被拉动一起往后旋转移动，从而拉动前脚往后旋转移动，直至所述前脚、后脚、第一连杆、第二连杆、第三连杆相对靠近，所述车架处于折叠状态，此时，车架材积很小，便于携带与存放。

Figure 201910786872

The invention discloses a stroller frame, which comprises a front foot, a rear foot, a first connecting rod, a second connecting rod and a third connecting rod. The front end of the first connecting rod is pivoted to the front foot, and the rear end is pivoted to the rear foot; The front end of the second link is pivotally connected to the front foot, the rear end of the third link is pivotally connected to the rear foot, the rear end of the second link and the front end of the third link are pivotally connected to the first link and can be opposite to the first link. One link moves back and forth together, so that when the upper end of the rear foot rotates and moves backward, the lower end of the rear foot rotates and moves forward relatively, thereby driving the third link to rotate backward, and the rear end of the second link is pulled together Rotate and move backward, thereby pulling the front foot to rotate and move backward until the front foot, the rear foot, the first link, the second link, and the third link are relatively close, and the frame is in a folded state. At this time, the frame Small size, easy to carry and store.

Figure 201910786872

Description

一种童车车架A stroller frame

技术领域technical field

本发明涉及婴幼儿产品领域，尤其涉及一种童车车架。The invention relates to the field of infant products, in particular to a stroller frame.

背景技术Background technique

童车由于其便利性和舒适性而被广泛地用于有婴幼儿的家庭。为了更好地满足消费者对童车便携性及储存性的需求，童车都被设计为可在展开状态与折叠之间转换，从而在需要使用的时候，将童车打开，婴幼儿坐或卧在童车上，当不需要使用时，将童车折叠起来，折叠后的得童车整体材积相对展开状态下的要小，从而便于携带与存放。Strollers are widely used in families with infants and young children due to their convenience and comfort. In order to better meet the needs of consumers for the portability and storage of the stroller, the stroller is designed to be converted between the unfolded state and the folded state, so that when the stroller needs to be used, the stroller can be opened and the infant can sit or lie on the stroller. On the other hand, when the stroller is not needed, the stroller can be folded up, and the overall volume of the folded stroller is smaller than that in the unfolded state, so that it is easy to carry and store.

童车一般包括一车架以及一折叠机构，通过操作折叠机构，即可使得车架在展开状态与折叠之间转换。而对于童车来说，车架本身的结构是折叠后材积大小的关键所在。A stroller generally includes a frame and a folding mechanism, and by operating the folding mechanism, the frame can be switched between the unfolded state and the folding state. For the stroller, the structure of the frame itself is the key to the size of the folded material.

发明内容SUMMARY OF THE INVENTION

本发明的目的在于提供一种折叠后材积小的童车车架，折叠后便于携带与存放。The purpose of the present invention is to provide a stroller frame with a small volume after being folded, which is easy to carry and store after being folded.

为实现上述目的，本发明所采用的技术方案是：For achieving the above object, the technical scheme adopted in the present invention is:

一种童车车架，其可在展开状态与折叠状态之间转换，所述童车车架包括前脚、后脚、第一连杆、第二连杆、第三连杆；所述第一连杆前端枢接于所述前脚，后端枢接于后脚；所述第二连杆前端枢接于前脚，且所述第一连杆前端与第二连杆前端枢接于前脚的不同位置上；所述第三连杆后端枢接于后脚，且所述第一连杆后端与第三连杆后端枢接于后脚的不同位置上；所述第二连杆后端与第三连杆前端枢接于所述第一连杆并可相对第一连杆一起前后移动。A stroller frame, which can be converted between an unfolded state and a folded state, the stroller frame includes a front foot, a rear foot, a first link, a second link, and a third link; the front end of the first link The front end of the second link is pivotally connected to the front foot, and the front end of the second link is pivotally connected to the front foot, and the front end of the first link and the front end of the second link are pivotally connected to different positions of the front foot. The rear end of the third link is pivotally connected to the rear foot, and the rear end of the first link and the rear end of the third link are pivotally connected to different positions of the rear foot; the rear end of the second link and the third link The front end is pivotally connected to the first link and can move back and forth together relative to the first link.

所述童车车架还包括座架以及第四连杆，所述座架前端与所述第一连杆前端或/和前脚上端枢接；所述第四连杆上端枢接于座架后侧，下端枢接于所述第一连杆并可与所述第二连杆后端、第三连杆前端一起相对第一连杆前后移动。The stroller frame further includes a seat frame and a fourth connecting rod, the front end of the seat frame is pivotally connected to the front end of the first connecting rod or/and the upper end of the front foot; the upper end of the fourth connecting rod is pivotally connected to the rear side of the seat frame The lower end is pivotally connected to the first link and can move back and forth relative to the first link together with the rear end of the second link and the front end of the third link.

所述第一连杆前端绕第一旋转轴线枢接于前脚，第二连杆前端绕第二旋转轴线枢接于前脚，所述第一旋转轴线位于第二旋转轴线的上侧；所述第一连杆后端绕第三旋转轴线枢接于后脚，第三连杆后端绕第四旋转轴线枢接于后脚，所述第三旋转轴线位于第四旋转轴线的下侧。The front end of the first link is pivoted to the front foot around the first rotation axis, the front end of the second link is pivoted to the front foot around the second rotation axis, and the first rotation axis is located on the upper side of the second rotation axis; The rear end of a link is pivotally connected to the rear leg around a third rotation axis, and the rear end of the third link is pivotally connected to the rear leg around a fourth rotation axis, and the third rotation axis is located on the lower side of the fourth rotation axis.

所述童车车架还包括车手以及第五连杆，所述车手下端与所述后脚上端枢接，所述第五连杆后端枢接于所述车手，前端枢接于所述第一连杆，从而所述车手、第五连杆、后脚、第一连杆形成为一四连杆机构；或，所述第五连杆前端枢接于所述第一连杆前端；或，所述第五连杆前端与所述第一连杆前端、前脚上端一起枢接；或，所述前脚上端与第一连杆前端均枢接于所述第五连杆，且第一连杆前端与第五连杆的枢接位置位于前脚上端与第五连杆枢接位置的上侧；或，所述前脚上端与第五连杆前端分别枢接于第一连杆的不同位置上。The stroller frame further includes a rider and a fifth link, the lower end of the rider is pivotally connected to the upper end of the rear foot, the rear end of the fifth link is pivotally connected to the rider, and the front end is pivotally connected to the first link. so that the driver, the fifth link, the rear foot, and the first link form a four-link mechanism; or, the front end of the fifth link is pivoted to the front end of the first link; or, the The front end of the fifth link is pivotally connected to the front end of the first link and the upper end of the front foot; or, the upper end of the front foot and the front end of the first link are both pivoted to the fifth link, and the front end of the first link is connected to The pivot position of the fifth link is located on the upper side of the pivot position of the upper end of the front foot and the fifth link; or, the upper end of the front foot and the front end of the fifth link are respectively pivoted at different positions of the first link.

所述车手下端、第一连杆后端以及第三连杆后端分别枢接于后脚不同的位置上，所述车手下端绕第五旋转轴线枢接于后脚上端，所述第四旋转轴线位于第三旋转轴线与第五旋转轴线之间。The lower end of the driver, the rear end of the first link and the rear end of the third link are pivotally connected to different positions of the rear foot, respectively, the lower end of the driver is pivoted to the upper end of the rear foot around the fifth rotation axis, and the fourth rotation axis is located at the upper end of the rear foot. between the third axis of rotation and the fifth axis of rotation.

所述童车车架还包括可相对前后移动地连接于所述第一连杆的联动件，所述第二连杆后端与所述第三连杆前端均枢接于所述联动件；较佳的，所述第四连杆下端也枢接于所述联动件。The stroller frame further includes a linkage member that is relatively movable back and forth and connected to the first link, and both the rear end of the second link and the front end of the third link are pivotally connected to the linkage; Preferably, the lower end of the fourth link is also pivotally connected to the linkage.

所述第二连杆上还固定连接有一阻挡件，在所述童车车架处于展开状态下时，所述联动件前端与所述阻挡件抵靠。A blocking member is also fixedly connected to the second link, and when the stroller frame is in an unfolded state, the front end of the linkage member abuts against the blocking member.

所述童车车架进一步包括一左右横向延伸的联动杆，所述联动杆连接于所述联动件，所述第二连杆后端以及所述第三连杆前端均枢接于所述联动杆上。The stroller frame further includes a left-right laterally extending linkage rod, the linkage rod is connected to the linkage member, and the rear end of the second link and the front end of the third link are both pivotally connected to the linkage rod superior.

所述第一连杆设置有左右两根，每一所述第一连杆上均连接有可相对前后移动的所述联动件，所述联动杆的左右两端分别枢接于左右两第一连杆的联动件上。The first link is provided with two left and right, and each of the first links is connected with the linkage member that can move relatively forward and backward, and the left and right ends of the linkage rod are pivotally connected to the left and right first links. on the linkage of the connecting rod.

所述前脚前下部连接有前轮，所述后脚后下部连接有后轮。The front lower part of the front foot is connected with a front wheel, and the rear lower part of the rear foot is connected with a rear wheel.

本发明的有益效果为：The beneficial effects of the present invention are:

1、车架的这种结构，使得要折叠车架时，只需使得后脚上端往后移动，即可联动其他组件全部旋转移动而相互靠近，从而折叠联动很是顺畅，而且折叠后所述第二连杆、第三连杆与第一连杆大致平行，从而折叠后车架上下高度很低，从而材积非常小；1. The structure of the frame makes it possible to move the upper end of the rear foot backward when the frame is to be folded, and then all other components can be linked to rotate and move close to each other, so that the folding linkage is very smooth, and the first step after folding. The second link and the third link are roughly parallel to the first link, so the upper and lower heights of the frame after folding are very low, so the volume is very small;

2、座架后侧通过第四连杆与联动件枢接，从而车架折叠时，所述座架能随之一起折叠，从而使得整个车架的折叠操作更为简便。2. The rear side of the seat frame is pivotally connected with the linkage through the fourth link, so that when the frame is folded, the seat frame can be folded together with it, thereby making the folding operation of the entire frame easier.

附图说明Description of drawings

图1为本发明童车车架处于展开状态下的平面示意图；1 is a schematic plan view of the stroller frame of the present invention in an unfolded state;

图2为本发明童车车架处于展开状态下的立体示意图一；FIG. 2 is a perspective view one of the frame of the stroller of the present invention in an unfolded state;

图3为本发明童车车架处于展开状态下的立体示意图二FIG. 3 is a second perspective view of the frame of the stroller of the present invention in an unfolded state.

图4为本发明童车车架处于展开状态下的从底面看的立体示意图；4 is a perspective view from the bottom of the stroller frame of the present invention in an unfolded state;

图5为本发明童车车架处于折叠过程中的平面示意图；5 is a schematic plan view of the stroller frame of the present invention in the process of folding;

图6为本发明童车车架处于折叠状态下的平面示意图；6 is a schematic plan view of the stroller frame of the present invention in a folded state;

图7为本发明童车车架处于折叠状态下的立体示意图；7 is a perspective view of the stroller frame of the present invention in a folded state;

图8为本发明童车车架处于折叠状态下部分组件的立体放大示意图。FIG. 8 is an enlarged schematic perspective view of some components of the stroller frame of the present invention in a folded state.

具体实施方式Detailed ways

如图1至8所示，本发明童车车架可在展开状态与折叠状态之间转换，所述童车车架包括前脚1、后脚2、第一连杆3、第二连杆4、第三连杆5；所述第一连杆3前端枢接于所述前脚1，后端枢接于后脚2；所述第二连杆4前端枢接于前脚1，且所述第一连杆3前端与第二连杆4前端枢接于前脚1的不同位置上；所述第三连杆5后端枢接于后脚2，且所述第一连杆3后端与第三连杆5后端枢接于后脚2的不同位置上；所述第二连杆4后端与第三连杆5前端枢接于所述第一连杆3并可相对第一连杆3一起前后移动。As shown in FIGS. 1 to 8 , the stroller frame of the present invention can be converted between an unfolded state and a folded state, and the stroller frame includes a front foot 1 , a rear foot 2 , a first link 3 , a second link 4 , a third link Link 5; the front end of the first link 3 is pivotally connected to the front foot 1, and the rear end is pivotally connected to the rear foot 2; the front end of the second link 4 is pivoted to the front foot 1, and the first link 3 The front end and the front end of the second link 4 are pivotally connected to different positions of the front foot 1; the rear end of the third link 5 is pivotally connected to the rear foot 2, and the rear end of the first link 3 and the rear end of the third link 5 The ends are pivotally connected to different positions of the rear foot 2 ; the rear end of the second link 4 and the front end of the third link 5 are pivotally connected to the first link 3 and can move back and forth relative to the first link 3 .

在本实施例中，所述第一连杆3前端绕第一旋转轴线30枢接于前脚1，第二连杆4前端绕第二旋转轴线41枢接于前脚1，所述第一旋转轴线30位于第二旋转轴线41的上侧，即是说，所述前脚1与第一连杆3前端的枢接位置位于前脚1与第二连杆4前端枢接位置的上侧；所述第一连杆3后端绕第三旋转轴线31枢接于后脚2，第三连杆5后端绕第四旋转轴线51枢接于后脚2，所述第三旋转轴线31位于第四旋转轴线51的下侧，即是说，后脚2与第一连杆3后端的枢接位置位于后脚2与第三连杆5后端枢接位置的下侧。In this embodiment, the front end of the first link 3 is pivotally connected to the front foot 1 around the first rotation axis 30 , the front end of the second link 4 is pivoted to the front foot 1 around the second rotation axis 41 , and the first rotation axis 30 is located on the upper side of the second rotation axis 41, that is to say, the pivot position of the front foot 1 and the front end of the first link 3 is located on the upper side of the pivot position of the front foot 1 and the front end of the second link 4; The rear end of a link 3 is pivotally connected to the rear leg 2 around a third rotation axis 31 , and the rear end of the third link 5 is pivotally connected to the rear leg 2 around a fourth rotation axis 51 , and the third rotation axis 31 is located on the fourth rotation axis 51 In other words, the pivot position of the rear foot 2 and the rear end of the first link 3 is located on the lower side of the pivot position of the rear foot 2 and the rear end of the third link 5 .

所述童车车架还包括可相对前后移动地连接于所述第一连杆3的联动件6，所述第二连杆4后端与所述第三连杆5前端均枢接于所述联动件6。如此，所述第三连杆5前端往后移动时，会拉动所述联动件6沿着第一连杆3往后移动，从而第一连杆3后端被拉动一起往后旋转移动。The stroller frame also includes a linkage 6 that is relatively movable forward and backward connected to the first link 3 , and the rear end of the second link 4 and the front end of the third link 5 are both pivotally connected to the Linkage 6. In this way, when the front end of the third link 5 moves backward, the linkage member 6 will be pulled to move backward along the first link 3 , so that the rear end of the first link 3 is pulled and rotates backward together.

在本实施例中，所述联动件6可相对前后移动地套设于所述第一连杆3上。在其他实施例中，所述联动件6也可采用其他方式可相对前后移动地连接于所述第一连杆3上。In this embodiment, the linkage member 6 is sleeved on the first link 3 so as to be relatively movable back and forth. In other embodiments, the linkage member 6 may also be connected to the first link 3 in other manners so as to be relatively movable back and forth.

在本实施例中，所述第二连杆4上还固定连接有一阻挡件7，在所述童车车架处于展开状态下时，所述联动件6前端与所述阻挡件7抵靠，从而使得联动件6不能再往前移动，从而保证车架展开状态下时的稳固性。In this embodiment, a blocking member 7 is also fixedly connected to the second link 4. When the stroller frame is in the unfolded state, the front end of the linking member 6 abuts against the blocking member 7, so that The linkage 6 can no longer move forward, so as to ensure the stability of the frame in the unfolded state.

所述前脚1前下部连接有前轮20，所述后脚2后下部连接有后轮21。The front lower part of the front foot 1 is connected with a front wheel 20 , and the rear lower part of the rear foot 2 is connected with a rear wheel 21 .

在本实施例中，较佳的，所述第一连杆3前端枢接于前脚1上端。In this embodiment, preferably, the front end of the first link 3 is pivotally connected to the upper end of the front foot 1 .

在折叠所述车架时，使得所述后脚2上端往后旋转移动(绕所述第三旋转轴线31旋转，如图5所示)，后脚2下侧则相对往前旋转移动，而后脚2上端往后旋转移动的时候，其会带动第三连杆5往后旋转移动，而第三连杆5往后旋转移动时则会拉动联动件6沿着第一连杆3往后移动，从而后端与联动件6枢接的第二连杆4也被拉动往后旋转移动，第二连杆4往后旋转移动时则会拉动前脚1下侧往后旋转移动(绕所述第一旋转轴线30旋转)，即只要后脚2上端往后旋转移动，车架其他组件会随之联动，所以车架联动很是顺畅，直至所述前脚1、后脚2、第一连杆3、第二连杆4、第三连杆5相对靠近，所述车架处于折叠状态(如图6、7所示)，此时，所述第二连杆4、第三连杆5与第一连杆3大致平行(如图8所示)，而折叠后的车架上下高度很低，从而材积非常小。When the frame is folded, the upper end of the rear foot 2 rotates backward (rotates around the third rotation axis 31 , as shown in FIG. 5 ), the lower side of the rear foot 2 rotates and moves forward relatively, and the rear foot 2 When the upper end rotates backward, it will drive the third link 5 to rotate backward, and when the third link 5 rotates backward, it will pull the linkage 6 to move backward along the first link 3, thereby The second link 4 whose rear end is pivotally connected to the linkage member 6 is also pulled to rotate and move backward. When the second link 4 rotates backward, it will pull the lower side of the front foot 1 to rotate backward (around the first rotation). The axis 30 rotates), that is, as long as the upper end of the rear foot 2 rotates backward, the other components of the frame will be linked together, so the frame linkage is very smooth, until the front foot 1, the rear foot 2, the first link 3, the second link The rod 4 and the third link 5 are relatively close to each other, and the frame is in a folded state (as shown in Figures 6 and 7). At this time, the second link 4, the third link 5 and the first link 3 Roughly parallel (as shown in Figure 8), and the folded frame has a very low top and bottom height, so the volume is very small.

所述童车车架还包括座架8以及第四连杆9，所述座架8前端与所述第一连杆3前端或/和前脚1上端枢接；所述第四连杆9上端枢接于座架8后侧，下端枢接于所述第一连杆3并可与所述第二连杆4后端、第三连杆5前端一起相对第一连杆3前后移动。较佳的，所述第四连杆9下端也枢接于所述联动件6。从而在车架折叠过程中，当联动件6往后移动时，所述第四连杆9下端被拉动往后移动旋转，从而第四连杆9上端相对往前下方旋转，如此，即会拉动座架8后侧往下旋转移动，从而在车架折叠后，所述座架8、第四连杆9均与所述第一连杆3相对靠近，即座架8与第四连杆9也处于相对折叠状态。如此设置，使得所述座架8能随着车架其他组件一起折叠，从而使得车架整体的折叠操作更简便。The stroller frame also includes a seat frame 8 and a fourth connecting rod 9. The front end of the seat frame 8 is pivotally connected to the front end of the first connecting rod 3 or/and the upper end of the front foot 1; the upper end of the fourth connecting rod 9 is pivoted. Connected to the rear side of the seat frame 8 , the lower end is pivotally connected to the first link 3 and can move back and forth relative to the first link 3 together with the rear end of the second link 4 and the front end of the third link 5 . Preferably, the lower end of the fourth connecting rod 9 is also pivotally connected to the linking member 6 . Therefore, during the folding process of the frame, when the linkage 6 moves backward, the lower end of the fourth connecting rod 9 is pulled to move backward and rotate, so that the upper end of the fourth connecting rod 9 rotates forward and downward relatively, so that it will pull The rear side of the seat frame 8 rotates downward, so that after the frame is folded, the seat frame 8 and the fourth link 9 are relatively close to the first link 3, that is, the seat frame 8 and the fourth link 9 are also in a relatively folded state. With this arrangement, the seat frame 8 can be folded together with other components of the frame, thereby making the folding operation of the whole frame easier.

所述座架8可设置用于与一座椅连接，也可设置为一座椅的一部分，即直接为一座椅的座板或座管。The seat frame 8 may be configured to be connected with a seat, or may be configured as a part of a seat, that is, directly a seat plate or seat tube of a seat.

本发明童车车架还包括车手10以及第五连杆11，所述车手10下端与所述后脚2上端枢接，所述第五连杆11后端枢接于所述车手10，前端枢接于所述第一连杆3，从而所述车手10、第五连杆11、后脚2、第一连杆3形成为一四连杆机构。The stroller frame of the present invention further includes a rider 10 and a fifth link 11, the lower end of the rider 10 is pivotally connected to the upper end of the rear foot 2, the rear end of the fifth link 11 is pivotally connected to the rider 10, and the front end is pivotally connected On the first link 3 , the driver 10 , the fifth link 11 , the rear foot 2 , and the first link 3 form a four-bar linkage.

所述车手10下端、第一连杆3后端以及第三连杆5后端分别枢接于后脚2不同的位置上，所述车手10下端绕第五旋转轴线101(如图2所示)枢接于后脚2上端，所述第四旋转轴线51位于第三旋转轴线31与第五旋转轴线101之间。The lower end of the driver 10 , the rear end of the first link 3 and the rear end of the third link 5 are pivotally connected to different positions of the rear foot 2 respectively, and the lower end of the driver 10 is around the fifth rotation axis 101 (as shown in FIG. 2 ) Pivoted to the upper end of the rear foot 2 , the fourth rotation axis 51 is located between the third rotation axis 31 and the fifth rotation axis 101 .

所述第五连杆11前端枢接于所述第一连杆3前端，或，所述第五连杆11前端与所述第一连杆3前端、前脚1上端一起枢接。The front end of the fifth link 11 is pivotally connected to the front end of the first link 3 , or the front end of the fifth link 11 is pivotally connected with the front end of the first link 3 and the upper end of the front foot 1 .

在本实施例中，所述第一连杆3包括一前后延伸设置的第一件连接部300以及自所述第一次连接部301前端往下延伸设置的第二连接部301，所述第五连杆11前端枢接于所述第一件连接部300前端，所述前脚1绕所述第一旋转轴线30枢接于第二连接部301下端。In this embodiment, the first link 3 includes a first connecting portion 300 extending forward and backward and a second connecting portion 301 extending downward from the front end of the first connecting portion 301 . The front end of the five-link 11 is pivotally connected to the front end of the first connecting portion 300 , and the front foot 1 is pivotally connected to the lower end of the second connecting portion 301 around the first rotation axis 30 .

在其他实施例中，所述第一连杆3可以只设置所述第一件连接部300即可，所述前脚1上端与第五连杆11前端分别枢接于第一连杆3的不同位置上。In other embodiments, the first connecting rod 3 may only be provided with the first connecting portion 300 , and the upper end of the front foot 1 and the front end of the fifth connecting rod 11 are pivotally connected to the first connecting rod 3 respectively. position.

再一实施例中，也可以设置为所述前脚1上端与第一连杆3前端均枢接于所述第五连杆11，且第一连杆3前端与第五连杆11的枢接位置位于前脚1上端与第五连杆11枢接位置的上侧。In yet another embodiment, the upper end of the front foot 1 and the front end of the first link 3 are both pivotally connected to the fifth link 11 , and the front end of the first link 3 is pivotally connected to the fifth link 11 . The position is located on the upper side of the pivoting position between the upper end of the front foot 1 and the fifth link 11 .

折叠车架时，往前下方旋转所述车手10并使得车手10下端往后旋转移动，从而带动第五连杆11后端往后下方旋转移动，同时，后脚2上端也被带动往后下方旋转移动，而后脚2上端往后旋转移动时则会带动车架其他组件联动，直至整个车架处于折叠状态，所述车手10、第四连杆9与前脚1、后脚2、第一连杆3、第二连杆4、第三连杆5相对靠近。因为车手10、第五连杆11、后脚2、第一连杆3形成为一四连杆机构，由于四连杆机构的特性，从而车手10与第五连杆11的折叠联动非常顺畅，而且折叠后与第一连杆3非常靠近，车手10与第一连杆3大致平行。When the frame is folded, the driver 10 is rotated forward and downward and the lower end of the driver 10 is rotated and moved backward, thereby driving the rear end of the fifth link 11 to rotate backward and downward, and at the same time, the upper end of the rear foot 2 is also driven to rotate backward and downward. When the upper end of the rear foot 2 rotates backward, it will drive other components of the frame to link together until the entire frame is in a folded state. , the second connecting rod 4 and the third connecting rod 5 are relatively close. Because the driver 10, the fifth link 11, the rear foot 2, and the first link 3 are formed as a four-bar linkage, the folding linkage between the driver 10 and the fifth linkage 11 is very smooth due to the characteristics of the four-bar linkage. After being folded, it is very close to the first link 3 , and the rider 10 is roughly parallel to the first link 3 .

本发明童车车架还包括一推把杆12，所述推把杆12下端枢接于所述车手10上端或可相对上下移动地连接于车手10。当所述推把杆12不能相对车手10旋转或相对往下移动时，所述推把杆12相当于车手10往上的延伸，便于看护者推动车架，不需要弯腰；旋转推把杆12靠近车手10或往下移动所述推把杆12使得推把杆12上端与车手10上端大致处于同一高度状态，即使得所述推把杆12也处于折叠状态。如此，也不会对童车车架折叠后的整体材积造成很大影响。用于调整所述推把杆12的机构可以设置为任意公知可行的结构，且因为其不是本发明的重点，故不在此赘述。The stroller frame of the present invention further includes a push handle bar 12, the lower end of the push handle bar 12 is pivotally connected to the upper end of the rider 10 or connected to the rider 10 in a relatively up and down movement. When the push handle bar 12 cannot rotate or move downward relative to the rider 10, the push handle bar 12 is equivalent to the upward extension of the rider 10, which is convenient for the caregiver to push the frame without bending over; rotating the push handle bar 12 Move the handlebar 12 close to the rider 10 or move down the handlebar 12 so that the upper end of the handlebar 12 and the upper end of the rider 10 are approximately at the same height, even if the handlebar 12 is also in a folded state. In this way, the overall volume of the stroller frame after being folded will not be greatly affected. The mechanism for adjusting the push lever 12 can be set to any known and feasible structure, and since it is not the focus of the present invention, it will not be repeated here.

在本实施例中，所述童车车架进一步包括一左右横向延伸的联动杆13(如图2、3、4所示)，所述联动杆13可行对前后移动地连接于所述第一连杆3，所述第二连杆4后端以及所述第三连杆5前端均枢接于所述联动杆13上。较佳的，所述第二连杆4后端以及所述第三连杆5前端依次枢接于所述联动杆13上。In this embodiment, the stroller frame further includes a left and right laterally extending linkage rod 13 (as shown in FIGS. 2 , 3 and 4 ), and the linkage rod 13 is connected to the first link movably forward and backward. The rod 3 , the rear end of the second link 4 and the front end of the third link 5 are all pivotally connected to the linkage rod 13 . Preferably, the rear end of the second link 4 and the front end of the third link 5 are pivotally connected to the linkage rod 13 in sequence.

较佳的，所述联动杆12连接于所述联动件6。Preferably, the linkage rod 12 is connected to the linkage member 6 .

所述第一连杆3设置有左右两根，每一所述第一连杆3上均可连接有可相对前后移动的所述联动件6，所述联动杆13的左右两端分别枢接于左右两第一连杆3的联动件6上。The first connecting rod 3 is provided with two left and right, and each of the first connecting rods 3 can be connected with the linkage member 6 that can move relatively forward and backward, and the left and right ends of the linkage rod 13 are pivotally connected respectively. on the linkage member 6 of the left and right first connecting rods 3 .

在本实施例中，所述前脚1与后脚2均设置有左右两个，从而形成四轮车形态。所述第二连杆4与第三连杆5也均设置有左右两根。在四轮车形态下，所述第二连杆4也可以设置为一根，即在两前脚1之间设置一连接杆，所述第二连杆4前端枢接于所述连接杆中部，后端枢接于联动杆13中部(图未示)。In this embodiment, the front legs 1 and the rear legs 2 are provided with two left and right, so as to form a four-wheeled vehicle shape. The second connecting rod 4 and the third connecting rod 5 are also provided with two left and right. In the form of a four-wheeled vehicle, the second connecting rod 4 can also be set as one, that is, a connecting rod is set between the two front feet 1, and the front end of the second connecting rod 4 is pivotally connected to the middle of the connecting rod. The rear end is pivotally connected to the middle of the linkage rod 13 (not shown).

在其他实施例中(图未示)，也可以只设置一前脚1与两后脚2，此时，可以是左右两第一连杆3前端分别连接于一第一横向杆的左右两端，所述一前脚1后端枢接于所述第一横向杆的中部；对应的，所述第二连杆4设置为一根，其前端枢接于前脚1，后端枢接于所述联动杆13的中部。In other embodiments (not shown in the figure), only one front foot 1 and two rear feet 2 may be provided. In this case, the front ends of the left and right first connecting rods 3 may be respectively connected to the left and right ends of a first transverse rod, so The rear end of the front foot 1 is pivotally connected to the middle of the first transverse rod; correspondingly, the second connecting rod 4 is provided as one, the front end of which is pivoted to the front foot 1 and the rear end is pivoted to the linkage rod middle of 13.

再一实施例中(图未示)，也可以只设置一后脚2与两前脚1，此时，也是三轮车形态。此时，可以是左右两第一连杆3后端分别连接于一第二横向杆的左右两端，所述一后脚2与所述第二横向杆的中部枢接，所述第三连杆5设置为一根，其前端枢接于联动杆13中部，后端枢接于后脚2。In yet another embodiment (not shown in the figure), only one rear leg 2 and two front legs 1 may be provided, and in this case, it is also in the form of a tricycle. At this time, the rear ends of the left and right first links 3 may be connected to the left and right ends of a second transverse rod respectively, the rear leg 2 is pivotally connected to the middle of the second transverse rod, and the third link 5 is set as one, the front end of which is pivotally connected to the middle of the linkage rod 13 , and the rear end is pivotally connected to the rear foot 2 .

当设置为一后脚2与两前脚1的三轮车形态时，所述两车手10下端也可以分别连接于一横向杆的左右两端，所述后脚2上端枢接于该横向杆的中部。When set as a tricycle with a rear foot 2 and two front feet 1, the lower ends of the two riders 10 can also be connected to the left and right ends of a transverse rod respectively, and the upper end of the rear foot 2 is pivotally connected to the middle of the transverse rod.

即是说，所述车架的形态以及组件数量可以根据需要进行适应性调整。That is to say, the shape of the frame and the number of components can be adaptively adjusted as required.

Claims (10)

1. A stroller frame convertible between an expanded position and a collapsed position, comprising: the frame of the baby carrier comprises a front foot, a rear foot, a first connecting rod, a second connecting rod and a third connecting rod; the front end of the first connecting rod is pivoted to the front foot, and the rear end of the first connecting rod is pivoted to the rear foot; the front end of the second connecting rod is pivoted to the front foot, and the front end of the first connecting rod and the front end of the second connecting rod are pivoted to different positions of the front foot; the rear end of the third connecting rod is pivoted to the rear foot, and the rear ends of the first connecting rod and the third connecting rod are pivoted to different positions of the rear foot; the rear end of the second connecting rod and the front end of the third connecting rod are pivoted to the first connecting rod and can move back and forth relative to the first connecting rod.
2. A stroller frame according to claim 1, wherein: the front end of the seat frame is pivoted with the front end of the first connecting rod or/and the upper end of the front foot; the upper end of the fourth connecting rod is pivoted to the rear side of the seat frame, and the lower end of the fourth connecting rod is pivoted to the first connecting rod and can move back and forth relative to the first connecting rod together with the rear end of the second connecting rod and the front end of the third connecting rod.
3. A stroller frame according to claim 1 or 2, wherein: the front end of the first connecting rod is pivoted to the front foot around a first rotating axis, the front end of the second connecting rod is pivoted to the front foot around a second rotating axis, and the first rotating axis is positioned on the upper side of the second rotating axis; the rear end of the first connecting rod is pivoted to the rear foot around a third rotation axis, the rear end of the third connecting rod is pivoted to the rear foot around a fourth rotation axis, and the third rotation axis is positioned on the lower side of the fourth rotation axis.
4. A stroller frame according to claim 3, wherein: the lower end of the handle is pivoted with the upper end of the rear foot, the rear end of the fifth connecting rod is pivoted with the handle, and the front end of the fifth connecting rod is pivoted with the first connecting rod, so that the handle, the fifth connecting rod, the rear foot and the first connecting rod form a four-bar mechanism; or the front end of the fifth connecting rod is pivoted with the front end of the first connecting rod and the upper end of the front foot; or the upper end of the front foot and the front end of the first connecting rod are both pivoted to the fifth connecting rod, and the pivoting position of the front end of the first connecting rod and the fifth connecting rod is positioned at the upper side of the pivoting position of the upper end of the front foot and the fifth connecting rod; or the upper end of the front foot and the front end of the fifth connecting rod are respectively pivoted on different positions of the first connecting rod.
5. A stroller frame according to claim 4, wherein: the lower end of the driver, the rear end of the first connecting rod and the rear end of the third connecting rod are respectively pivoted to different positions of the rear foot, the lower end of the driver is pivoted to the upper end of the rear foot around a fifth rotation axis, and the fourth rotation axis is located between the third rotation axis and the fifth rotation axis.
6. A stroller frame according to any of claims 1 to 5, wherein: the rear end of the second connecting rod and the front end of the third connecting rod are both pivoted with the linkage piece; preferably, the lower end of the fourth connecting rod is also pivoted to the linkage piece.
7. A stroller frame according to claim 6, wherein: and the second connecting rod is also fixedly connected with a blocking piece, and when the frame of the baby carrier is in an unfolded state, the front end of the blocking piece abuts against the blocking piece.
8. A stroller frame according to claim 6 or 7, wherein: the linkage mechanism further comprises a linkage rod transversely extending left and right, the linkage rod is connected to the linkage piece, and the rear end of the second connecting rod and the front end of the third connecting rod are pivoted on the linkage rod.
9. A stroller frame according to claim 8, wherein: the first connecting rods are provided with a left connecting rod and a right connecting rod, each first connecting rod is connected with the linkage piece capable of moving back and forth relatively, and the left end and the right end of each linkage rod are respectively pivoted on the linkage pieces of the left first connecting rod and the right first connecting rod.
10. A stroller frame according to claims 1 to 9, wherein: the front lower part of the front foot is connected with a front wheel, and the rear lower part of the rear foot is connected with a rear wheel.
CN201910786872.8A 2019-08-24 2019-08-24 Frame of baby carriage Pending CN111252131A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317581A (en) * 1979-10-13 1982-03-02 Kassai Kabushikikaisha Baby carriage
US20040222615A1 (en) * 2003-05-06 2004-11-11 Huang-Yi Cheng Stroller frame structure
CN207241787U (en) * 2017-08-07 2018-04-17 上海童歌母婴用品有限公司 Double-seat baby-carrier
CN109649469A (en) * 2018-12-19 2019-04-19 昆山爱果儿童用品有限公司 Baby carriage frame
CN210653260U (en) * 2019-08-24 2020-06-02 上海韵童儿童用品有限公司 Frame of baby carriage

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317581A (en) * 1979-10-13 1982-03-02 Kassai Kabushikikaisha Baby carriage
US20040222615A1 (en) * 2003-05-06 2004-11-11 Huang-Yi Cheng Stroller frame structure
CN207241787U (en) * 2017-08-07 2018-04-17 上海童歌母婴用品有限公司 Double-seat baby-carrier
CN109649469A (en) * 2018-12-19 2019-04-19 昆山爱果儿童用品有限公司 Baby carriage frame
CN210653260U (en) * 2019-08-24 2020-06-02 上海韵童儿童用品有限公司 Frame of baby carriage

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