CN119370173A - Baby stroller - Google Patents

Baby stroller Download PDF

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Publication number
CN119370173A
CN119370173A CN202411561821.2A CN202411561821A CN119370173A CN 119370173 A CN119370173 A CN 119370173A CN 202411561821 A CN202411561821 A CN 202411561821A CN 119370173 A CN119370173 A CN 119370173A
Authority
CN
China
Prior art keywords
rotatably connected
frame
support rod
rod
folded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202411561821.2A
Other languages
Chinese (zh)
Inventor
李照国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goodbaby Child Products Co Ltd
Original Assignee
Goodbaby Child Products Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Goodbaby Child Products Co Ltd filed Critical Goodbaby Child Products Co Ltd
Priority to CN202411561821.2A priority Critical patent/CN119370173A/en
Publication of CN119370173A publication Critical patent/CN119370173A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B62B7/086—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
    • 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
    • B62B7/10—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/20—Handle bars; Handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
    • B62B2205/06—Foldable with a scissor-like mechanism

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

Abstract

本发明公开了一种童车，其车架至少包括底架与下支架，所述底架包括分设于左右两侧的两组底支杆；所述下支架具有分设于左右两侧的两根下支杆，所述童车的左右各侧上，所述下支杆的下部转动地连接于所述底支杆的后部，所述车架还包括能够沿左右方向收折的横撑组件，横撑组件包括能够沿左右方向收折的第一支撑组件，车架折叠时，在底架与下支架在相互转动收拢的过程中，能够联动第一支撑组件沿左右方向收折而使得两侧的底支杆相向靠拢，折叠操作方便，为用户的日常收纳及携带等提供便利。

The present invention discloses a baby carriage, wherein the frame at least comprises a bottom frame and a lower frame, the bottom frame comprises two groups of bottom support rods respectively arranged on left and right sides; the lower frame comprises two lower support rods respectively arranged on left and right sides, the lower parts of the lower support rods are rotatably connected to the rear parts of the bottom support rods on the left and right sides of the baby carriage, the frame further comprises a cross brace assembly which can be folded in the left and right directions, the cross brace assembly comprises a first support assembly which can be folded in the left and right directions, when the frame is folded, in the process of the bottom frame and the lower frame rotating and folding relative to each other, the first support assembly can be linked to be folded in the left and right directions so that the bottom support rods on both sides are brought closer to each other, the folding operation is convenient, and convenience is provided for the user's daily storage and carrying, etc.

Description

Baby carriage
The application is a divisional application of the application application with the name of baby carriage, wherein the application date is 2023, 03, 01 and 2023101865027.
Technical Field
The invention relates to the field of children supplies, in particular to a baby carrier.
Background
The baby carrier brings great convenience for children's travel, and is one of the indispensable children articles for children's families at present. The existing baby carrier has various structures, but most of the structures are complex, riding space is limited, riding experience is affected, and the problem that daily carrying and storage are affected due to the fact that the size of the folded baby carrier is still large is solved in most of baby carrier products with large riding space.
Disclosure of Invention
It is an object of the present invention to provide a new construction of stroller that solves one or more of the problems of the prior art.
In order to achieve the aim, the technical scheme adopted by the invention is that the baby carrier comprises a frame with an unfolding state and a folding state, a front wheel assembly and a rear wheel assembly which are arranged at the bottom of the frame, wherein the frame at least comprises a bottom frame and a lower bracket, the lower part of the lower bracket is rotationally connected with the rear part of the bottom frame, the bottom frame comprises two groups of bottom struts which are arranged at the left side and the right side, the lower bracket comprises two lower struts which are arranged at the left side and the right side, the left side and the right side of the baby carrier are respectively provided with a transverse strut assembly which is rotationally connected with the rear part of the bottom struts, the frame also comprises a transverse strut assembly which can be folded along the left direction and the right direction, the bottom struts at the two sides and the lower struts are respectively rotationally folded along the left direction and the right direction in the folding state,
The transverse support assembly comprises a first support assembly capable of being folded in the left-right direction, the first support assembly comprises two first support rods which are mutually intersected and are mutually connected in a rotating mode at the intersecting position, the first support rods extend in the front-back direction, the front parts of the first support rods are rotationally connected to the front parts of the bottom support rods on one side, the rear parts of the first support rods are rotationally connected with the lower parts of the lower support rods on the other side, the positions of the first support rods and the lower support rods, which are rotationally connected, are located below the positions of the lower support rods, which are rotationally connected with the bottom support rods, and when the lower support rods are folded towards the bottom support rods, the lower support rods pull the first support rods to move backwards and drive the two bottom support rods to be close towards each other.
In some embodiments, the lower support rod comprises a main body rod section and a connecting rod section fixedly arranged on the inner side of the main body rod section, the lower part of the connecting rod section downwards extends out of the main body rod section, the lower part of the main body rod section is rotatably mounted on the bottom support rod, and the lower part of the connecting rod section is rotatably connected with the first support rod.
In some embodiments, the chassis further comprises a front cross brace arranged between the front parts of the bottom struts at two sides, the front cross brace comprises two cross bars, one end parts of the two cross bars are rotationally connected, the other end parts of the two cross bars are rotationally connected with the front parts of the bottom struts at the side where the two cross bars are located, the two cross bars extend along the same direction when the frame is in an unfolded state, the two cross bars are folded between the bottom struts at two sides in a front-back extending manner when the frame is in a folded state, and a linkage assembly is further arranged between the first support assembly and the front cross brace so as to drive the two cross bars to turn backwards and fold when the first support assembly is folded along the left-right direction.
In some embodiments, the linkage assembly includes two linkage bars extending in a front-to-rear direction, the two first support bars being rotatably connected at their intersections by a first shaft, the front portion of the linkage bar being rotatably connected to the cross bar, the rear portion of the linkage bar being rotatably connected to one of the first support bars and located rearward of the first shaft.
In some embodiments, the frame further comprises an upper bracket and a front bracket, the upper portion of the lower bracket is rotatably connected with the lower portion of the upper bracket, the lower portion of the front bracket is rotatably connected with the front portion of the chassis, the upper portion of the front bracket is rotatably connected with the upper portion of the upper bracket, the front bracket is folded above the chassis in the process of converting the unfolded state into the folded state, and the lower bracket and the upper bracket are folded relatively and folded between the front bracket and the chassis.
In some embodiments, the upper bracket comprises two upper struts arranged on the left side and the right side, the front bracket comprises two front struts arranged on the left side and the right side of the baby carrier, the lower parts of the front struts are rotationally connected with the front parts of the bottom struts, the upper parts of the upper struts are rotationally connected with the upper parts of the front struts, the lower parts of the upper struts are rotationally connected with the lower parts of the lower struts, and the bottom struts, the lower struts, the upper struts and the front struts on the two sides are respectively rotationally folded and respectively folded along the left and right directions when the frame is in a folded state.
In some embodiments, the lower strut includes a main body strut section, and a connecting rod section fixedly disposed on an inner side of the main body strut section, wherein an upper portion of the main body strut section is rotationally connected with a lower portion of the upper strut, the lower portion of the main body strut section is rotationally connected with the bottom strut, and the main body strut section, the bottom strut, the front strut, and the upper strut are circumferentially arranged in a closed frame in a deployed state.
In some embodiments, the cross brace assembly further comprises a second support assembly capable of being folded in a left-right direction, the second support assembly comprises two second support rods which are intersected with each other and are rotatably connected at the intersection, the second support rods extend in an up-down direction, the upper parts of the second support rods are rotatably connected with the upper support rods on one side, and the lower parts of the second support rods are rotatably connected with the upper parts of the lower support rods on the other side.
In some embodiments, the lower strut includes a main body strut section, a connecting rod section fixedly disposed inside the main body strut section, wherein the main body strut section is rotationally connected between the upper strut and the bottom strut, an upper portion of the connecting rod section is rotationally connected with a lower portion of the second strut, a lower portion of the connecting rod section is rotationally connected with a rear portion of the first strut, and the frame is in a unfolded state, and the main body strut section, the bottom strut, the front strut and the upper strut are circumferentially enclosed to form a closed frame.
In some embodiments, the lower portion of the connecting rod section is rotatably connected with the rear portion of the first stay bar by a first adapter, the upper portion of the connecting rod section is rotatably connected with the lower portion of the second stay bar by a second adapter, the frame is in a deployed state, the first adapter is located at the lower portion of the main body section, and the second adapter is located above the main body section.
In some embodiments, the frame further comprises a handle pushing frame, the handle pushing frame comprises two handle pushing rods which are respectively arranged at the left side and the right side, one end parts of the two handle pushing rods are connected with each other in a rotating mode, and the other end parts of the two handle pushing rods are connected with the upper parts of the upper supporting rods at the side where the two handle pushing rods are arranged in a rotating mode.
In some embodiments, the upper strut includes an upper strut body extending in an up-down direction, an extension strut body extending forward from an upper end of the upper strut body, a lower portion of the upper strut body is rotatably connected with the lower strut, a front portion of the extension strut body is rotatably connected with an upper portion of the front strut, a push handle lever is rotatably connected to an upper portion of the upper strut body or a rear portion of the extension strut body, and the frame is in a folded state, and the push handle frame is folded in a left-right direction and is folded with the extension strut body.
Due to the application of the technical scheme, the underframe and the lower bracket of the baby carrier can be linked to fold the first supporting component along the left-right direction in the process of mutual rotation and folding, so that the bottom supporting rods at the two sides are oppositely folded, the folding operation is convenient, and convenience is provided for daily storage and carrying of users.
Drawings
FIG. 1 is a schematic perspective view of a stroller in an unfolded state according to an embodiment of the present invention;
FIG. 2 is a side view of the stroller of FIG. 1;
FIG. 3 is a front view of the stroller of FIG. 1;
FIG. 4 is a schematic view of the respective center lines of rotation of the stroller of FIG. 1;
FIG. 5 is an exploded view of the frame of the stroller of FIG. 1;
FIG. 6 is a schematic illustration of the connection of the upper and lower struts of the stroller of FIG. 1;
FIG. 7 is a schematic diagram of an exploded structure of the upper and lower struts of FIG. 6;
FIG. 8 is a schematic view of the connection structure of the second strut assembly of the stroller of FIG. 1;
FIG. 9 is a schematic view of a connection structure of a first strut assembly of the stroller of FIG. 1, wherein the first strut assembly is deployed in a left-right direction;
FIG. 10 is a schematic view of the first strut assembly of FIG. 9 shown folded in a left-right direction;
FIG. 11 is a schematic perspective view of the stroller of FIG. 1 during folding;
FIG. 12 is a schematic top view of the stroller of FIG. 11;
FIG. 13 is a schematic side elevational view of the stroller of FIG. 11;
FIG. 14 is a schematic perspective view of the stroller of FIG. 1 in a folded condition;
FIG. 15 is a schematic top view of the stroller of FIG. 14;
FIG. 16 is a schematic side elevational view of the stroller of FIG. 14;
wherein, 1, underframe, 11, bottom strut, 12, front cross brace, 121, cross bar, 122, third shaft, 13, rear cross brace, 13a, outer rod, 13b, inner rod;
2. a front support, a front strut, a front support;
3. 31, lower support rod, 31a, main body rod section, 31b, connecting rod section;
4. the device comprises an upper bracket, an upper supporting rod body and an extension rod body, wherein the upper supporting rod is provided with a first supporting rod and a second supporting rod;
5. A push handle rack 51, a push handle bar;
6. first stay bar assembly 61, first stay bar 62, first adapter 63, third adapter 60, first shaft;
7. the second stay bar assembly, 71, a second stay bar, 72, a second adapter, 73, a fourth adapter, 70, a second shaft;
8. front wheel assembly, 9, rear wheel assembly, 10, linkage rod, 101, fourth shaft, 102, fifth shaft.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
The following description of the directions, such as front, rear, left, right, up, down, etc., is defined by reference to the directions in which a pusher is looking when pushing the stroller in the unfolded state, and is only for the purpose of describing the relative positional relationship of the components on the stroller.
Referring to fig. 1 to 16, a stroller comprises a frame having an unfolded state and a folded state, a front wheel assembly 8 and a rear wheel assembly 9 provided at the bottom of the frame, the frame comprising a chassis 1, a front bracket 2, a lower bracket 3, an upper bracket 4 and a push handle 5, the frame in the unfolded state, the chassis 1 extending in the front-rear direction, the front bracket 2, the lower bracket 3, the upper bracket 4 and the push handle 5 each extending in the up-down direction, the front wheel assembly 8 provided at the front of the chassis 1, the rear wheel assembly 9 provided at the rear of the chassis 1, wherein the lower part of the front bracket 2 is rotatably connected with the front of the chassis 1 about a first rotation center line X1, the lower part of the lower bracket 3 is rotatably connected with the rear of the chassis 1 about a second rotation center line X2, the upper part of the lower bracket 3 is rotatably connected with the lower part of the upper bracket 4 about a third rotation center line X3, the upper part of the front bracket 2 is rotatably connected with the upper part of the upper bracket 4 about a fourth rotation center line X4, and the lower part of the push handle 5 is rotatably connected with the upper part of the upper bracket 4 about a fifth rotation center line X5. The first, second, third, fourth and fifth rotation center lines X1, X2, X3, X4 and X5 are parallel to each other and extend in the left-right direction.
When the frame is folded, the handle pushing frame 5 is turned over and folded relative to the upper bracket 4, the front bracket 2 is turned over and folded relative to the bottom bracket 1 backwards, and the lower bracket 3 and the upper bracket 4 are turned over and folded along the up-down direction and are stacked between the front bracket 2 and the bottom bracket 1, so that the whole frame is folded.
Specifically, referring to the drawings, the chassis 1 includes two sets of bottom struts 11 respectively disposed at left and right sides and extending in a front-rear direction, a front wheel assembly 8 is disposed at a front portion of each set of bottom struts 11 and a rear wheel assembly 9 is disposed at a rear portion of each set of bottom struts, the front bracket 2 includes two front struts 21 respectively disposed at left and right sides and extending in a vertical direction, the lower bracket 3 includes two lower struts 31 respectively disposed at left and right sides and extending in a vertical direction, the upper bracket 4 includes two upper struts 41 respectively disposed at left and right sides and extending in a vertical direction, and the handle frame 5 includes two handle bars 51 respectively disposed at left and right sides. The stroller has left and right sides, a lower portion of a lower strut 31 is connected to a rear portion of a bottom strut 11, a lower portion of a front strut 21 is rotatably connected to a front portion of the bottom strut 11, an upper portion of an upper strut 41 is rotatably connected to an upper portion of the front strut 21, a lower portion of the upper strut 41 is rotatably connected to an upper portion of the lower strut 31, and a lower portion of a push rod 51 is rotatably connected to an upper portion of the upper strut 41.
The lower strut 31 has at least one main body segment 31a extending in the up-down direction, and the upper strut 41 includes an upper strut body 41a extending in the up-down direction and an extending body 41b extending forward from the upper end of the upper strut body 41a, so that the upper strut 41 is in a 7 shape overall. The lower end of the main body bar section 31a of the lower bar 31 is rotatably connected to the bottom bar 11, the upper end of the main body bar section 31a is rotatably connected to the lower portion of the upper bar body 41a, the front portion of the extension bar body 41b is rotatably connected to the upper portion of the front bar 21, and the lower portion of the push handle bar 51 is rotatably connected to the rear portion of the extension bar body 41b or rotatably connected to the upper portion of the upper bar body 41a, where the lower portion of the push handle bar 51 is connected to the rear portion of the extension bar body 41b at a position where the upper portion of the upper bar body 41a meets. In the unfolded state, the front strut 21, the bottom strut 11, the main body strut section 31a and the upper strut 41 are circumferentially arranged on the left and right sides of the frame to form a closed frame structure for forming a fence on two sides of the body of the child, and the handle pushing frame 5 is arranged above the frame structure.
The frame can be arranged in a folding manner along the left-right direction, wherein the handle pushing frame 5 can be folded along the left-right direction, specifically, each handle pushing rod 51 is 7-shaped, and the handle pushing frame 5 is U-shaped with a downward opening. The upper end portions of the two push handle levers 51 are adjacent to each other and rotatably connected, and the upper end portions of the two push handle levers 51 are rotatably connected about a sixth rotation center line X6. In the unfolded state of the frame, the sixth rotation center line X6 extends in the up-down direction, and the projection of the sixth rotation center line X6 on the horizontal plane passing through the first rotation center line X1 is perpendicular to the first rotation center line X1.
The frame further comprises a cross brace assembly which can be folded in the left-right direction, the cross brace assembly comprising a first support assembly 6 arranged between the two side lower struts 31 and the two side bottom struts 11, and a second support assembly 7 arranged between the two side upper struts 41 and the two side lower struts 31. In the folding process of the frame, the lower bracket 3 can be linked in the rotating and folding process of the lower bracket 1 relative to the lower bracket, so that the first support component 6 and the second support component 7 can be folded along the left-right direction at the same time.
In this embodiment, the first support assembly 6 and the second support assembly 7 are cross-bracing assemblies. Specifically, referring to fig. 5, 9 and 10, the first support assembly 6 includes two first struts 61 intersecting each other and rotatably connected around a first shaft 60 at the intersection, the first struts 61 extending in a front-rear direction, and the two first struts 61 are connected in such a manner that a front portion of the first struts 61 is connected to a front portion of the bottom strut 11 on one side by a third adapter 63, a rear portion of the first struts 61 is connected to a lower portion of the lower strut 31 on the other side by a first adapter 62, and referring to fig. 3,5 and 8, the second support assembly 7 includes two second struts 71 intersecting each other and rotatably connected around a second shaft 70 at the intersection, the second struts 71 extending in an up-down direction, and the two second struts 71 are each connected in such a manner that an upper portion of the second struts 71 is connected to an upper portion of the upper strut 41 on one side, specifically an upper portion of the upper strut 41a, and a lower portion of the second struts 71 is connected to an upper portion of the lower strut 31 on the other side by a second adapter 72. Here, the lower strut 31 further includes a connecting rod section 31b fixedly provided at an inner side of the body rod section 31a, an upper portion of the connecting rod section 31b being higher than the body rod section 31a and a lower portion thereof being lower than the body rod section 31a. The lower part of the second stay 71 is connected to the upper part of the connecting rod section 31b through a second adapter 72, the rear part of the first stay 61 is connected to the lower part of the connecting rod section 31b through a first adapter 62, the frame is in a unfolded state, the first adapter 62 is located below the main body section 31a, and the second adapter 72 is located above the main body section 31a.
Referring to the drawings, the chassis 1 further comprises a front cross brace 12 arranged between the front parts of the two side bottom struts 11, and a rear cross brace 13 arranged between the rear parts of the two side bottom struts 11, wherein the front cross brace 12 and the rear cross brace 13 extend in the left-right direction in the unfolded state of the frame, and can be folded in the left-right direction. The rear cross brace 13 is provided with a telescopic rod structure, and specifically comprises an outer rod 13a and an inner rod 13b which are in sliding telescopic connection with each other, the front cross brace 12 comprises two cross rods 121 which can relatively turn and fold in the left-right direction, one end parts of the two cross rods 121 are rotationally connected through a third shaft 122, and the other end part of each cross rod 121 is rotationally connected to the bottom support rod 11 on the side where the cross rod is located. The two cross bars 121 extend in the same direction when the frame is in an unfolded state, and the two cross bars 121 extend in the front-rear direction and are folded between the bottom struts 11 on both sides when the frame is in a folded state.
The frame is also provided with a linkage assembly which is used for linkage in the process of folding the first support assembly 6 along the left-right direction so that the two cross bars 121 are turned backwards for folding. In this embodiment, the linkage assembly specifically includes two linkage rods 10, one linkage rod 10 is connected between one cross rod 121 and one first supporting rod 61, the other linkage rod 10 is connected between the other cross rod 121 and the other first supporting rod 61, wherein the linkage rod 10 extends along the front-back direction, the front part of the linkage rod 10 is rotatably connected to the cross rod 121 around a fourth shaft 101, the rear part of the linkage rod 10 is rotatably connected to the first supporting rod 61 around a fifth shaft 102, the fifth shaft 102 is located between the first shaft 60 and the first adapter 62 on the first supporting rod 61, and the two fourth shafts 101 are respectively arranged on different sides of the third shaft 122. During the relative rotation of the two first struts 61 to fold in the left-right direction, the position of the fifth shaft 102 moves rearward, so that the link 10 is pulled rearward, thereby pulling the two crossbars 121 to turn relatively and convert to extend in the front-rear direction.
Referring to fig. 1 to 3, in the unfolded state of the stroller of this embodiment, the front frame 2, the lower frame 3, the upper frame 4 and the chassis 1 are unfolded relatively, the handlebar frame 5 is unfolded above the upper frame 4, and the front wheel assembly 8 and the rear wheel assembly 9 are supported at the bottom of the chassis 1. The first support component 6 and the second support component 7 are respectively unfolded along the left-right direction, and the front cross brace 12 and the rear cross brace 13 are also unfolded along the left-right direction and supported between the bottom struts 11 at the two sides. The baby carrier in the unfolded state has simple structure and larger riding space, and a person can stand at the rear of the frame to hold the top of the push handle frame 5 for pushing.
Referring to fig. 11 to 13, when the stroller needs to be folded, the push handle 5 is turned forward by the first driver to fold over the upper bracket 3 and close to the extension rod 41b, the upper bracket 4 is turned backward by the second driver, the upper bracket 4 and the lower bracket 3 are turned up and down relatively, the front bracket 2 is turned backward, the upper bracket 4, the lower bracket 3 and the front bracket 2 are folded down gradually relative to the chassis 1, in the above process, the lower part of the connecting rod section 31b in the lower bracket 3 moves backward and the upper part moves forward, the two first support rods 61 of the first support rod assembly 6 rotate relatively and fold gradually in the left and right direction, the two second support rods 71 of the second support rod assembly 7 rotate relatively and fold gradually in the left and right direction, the front cross struts 12 are folded up in the left and right direction by the linkage of the two linkage rods 10 in the folding process of the first support rod assembly 6, the acting forces of the two support rods on the two sides in the left and right directions are folded down gradually, and the two support rods 13 also rotate relatively in the left and right directions, and the left and right support rods 51 are folded relatively, and the two support rods 5 are also rotated relatively in the left and right directions are folded.
As shown in fig. 14 to 16, the folded stroller is folded in the left and right sides of the frame, the bottom strut 11, the lower strut 31, the upper strut 41, the front strut 21 and the push handle 51 are folded together, and the cross support assembly is folded in the left and right direction, so that the height and width of the stroller are greatly reduced, and convenience is brought to daily carrying and storage of users.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1.一种童车，包括具有展开状态与折叠状态的车架、设于所述车架底部的前轮组件与后轮组件，其特征在于：所述车架至少包括底架与下支架，所述下支架的下部与所述底架的后部转动地连接，所述底架包括分设于左右两侧的两组底支杆；所述下支架具有分设于左右两侧的两根下支杆，所述童车的左右各侧上，所述下支杆的下部转动地连接于所述底支杆的后部，所述车架还包括能够沿左右方向收折的横撑组件，所述车架处于折叠状态下，两侧的所述底支杆与所述下支杆分别转动收拢并沿左右方向收拢，其中，1. A baby carriage, comprising a frame with an unfolded state and a folded state, a front wheel assembly and a rear wheel assembly arranged at the bottom of the frame, characterized in that: the frame at least comprises a bottom frame and a lower bracket, the lower portion of the lower bracket is rotatably connected to the rear portion of the bottom frame, the bottom frame comprises two groups of bottom support rods respectively arranged on left and right sides; the lower bracket comprises two lower support rods respectively arranged on left and right sides, the lower portions of the lower support rods are rotatably connected to the rear portions of the bottom support rods on the left and right sides of the baby carriage, the frame further comprises a cross brace assembly that can be folded in the left and right directions, and when the frame is in the folded state, the bottom support rods and the lower support rods on both sides are respectively rotated and folded in the left and right directions, wherein 所述横撑组件包括能够沿左右方向收折的第一支撑组件，所述第一支撑组件包括相互交叉且在交叉处相互转动连接的两根第一撑杆，所述第一撑杆沿前后方向延伸，所述第一撑杆的前部转动地连接于一侧所述底支杆的前部，所述第一撑杆的后部与另一侧所述下支杆的下部转动地连接；The cross brace assembly includes a first support assembly that can be folded in the left-right direction, the first support assembly includes two first support rods that cross each other and are rotatably connected to each other at the intersection, the first support rods extend in the front-to-back direction, the front portion of the first support rod is rotatably connected to the front portion of the bottom support rod on one side, and the rear portion of the first support rod is rotatably connected to the lower portion of the lower support rod on the other side; 所述第一撑杆与所述下支架转动连接的位置位于所述下支撑与所述底支杆转动连接的位置的下方，在所述下支架朝所述底支杆靠拢收折时，所述下支架拉动所述第一撑杆向后移动并带动两个所述底支杆相向靠拢。The position where the first support rod is rotatably connected to the lower bracket is located below the position where the lower support rod is rotatably connected to the bottom support rod. When the lower bracket is folded toward the bottom support rod, the lower bracket pulls the first support rod to move backward and drives the two bottom support rods to move toward each other. 2.根据权利要求1所述的童车，其特征在于：所述下支杆包括主体杆段、固定地设置在所述主体杆段内侧的连接杆段，所述连接杆段的下部向下延伸出所述主体杆段，所述主体杆段的下部转动安装在所述底支杆上；所述连接杆段的下部与所述第一撑杆转动连接。2. The baby carriage according to claim 1 is characterized in that: the lower support rod includes a main rod section and a connecting rod section fixedly arranged on the inner side of the main rod section, the lower part of the connecting rod section extends downward from the main rod section, and the lower part of the main rod section is rotatably mounted on the bottom support rod; the lower part of the connecting rod section is rotatably connected to the first support rod. 3.根据权利要求1所述的童车，其特征在于：所述底架还包括设置在两侧所述底支杆前部之间的前横撑，所述前横撑包括两根横杆，两根所述横杆的一端部转动地连接，两根所述横杆的另一端部与所在侧的所述底支杆的前部转动地连接，所述车架处于展开状态下，两根所述横杆沿同一方向延伸；所述车架处于折叠状态下，两根所述横杆均沿前后方向延伸地收拢在两侧所述底支杆之间，所述第一支撑组件与所述前横撑之间还设有联动组件，以在所述第一支撑组件沿左右方向收折时带动两根所述横杆向后翻转收拢。3. The baby carriage according to claim 1 is characterized in that: the base frame also includes a front cross brace arranged between the front parts of the bottom support rods on both sides, the front cross brace includes two cross bars, one end part of the two cross bars is rotatably connected, and the other end part of the two cross bars is rotatably connected to the front of the bottom support rods on the corresponding side, and when the frame is in the unfolded state, the two cross bars extend in the same direction; when the frame is in the folded state, the two cross bars extend in the front-to-back direction and are retracted between the bottom support rods on both sides, and a linkage assembly is also provided between the first support assembly and the front cross brace to drive the two cross bars to flip and retract backward when the first support assembly is folded in the left-right direction. 4.根据权利要求3所述的童车，其特征在于：所述联动组件包括两根联动杆，所述联动杆沿前后方向延伸，两根所述第一撑杆相互交叉处通过第一轴转动地连接，所述联动杆的前部转动地连接于所述横杆上，所述联动杆的后部转动地连接于一根所述第一撑杆上并位于所述第一轴的后方。4. The baby carriage according to claim 3 is characterized in that: the linkage assembly includes two linkage rods, the linkage rods extend in the front-to-back direction, the two first support rods are rotatably connected to each other through a first axis at the intersection, the front part of the linkage rod is rotatably connected to the cross bar, and the rear part of the linkage rod is rotatably connected to one of the first support rods and is located behind the first axis. 5.根据权利要求1所述的童车，其特征在于：所述车架还包括上支架与前支架，所述下支架的上部与所述上支架的下部转动地连接，所述前支架的下部与所述底架的前部转动地连接，所述前支架的上部与所述上支架的上部转动地连接，所述车架由展开状态向折叠状态转换的过程中，所述前支架收拢在所述底架的上方，所述下支架与所述上支架相对翻折并收拢在所述前支架与所述底架之间。5. The baby carriage according to claim 1 is characterized in that: the frame also includes an upper bracket and a front bracket, the upper part of the lower bracket is rotatably connected to the lower part of the upper bracket, the lower part of the front bracket is rotatably connected to the front part of the bottom frame, the upper part of the front bracket is rotatably connected to the upper part of the upper bracket, and during the process of the frame being converted from an unfolded state to a folded state, the front bracket is folded above the bottom frame, and the lower bracket and the upper bracket are relatively folded and folded between the front bracket and the bottom frame. 6.根据权利要求5所述的童车，其特征在于：所述上支架包括分设于左右两侧的两根上支杆；所述前支架具有分设于左右两侧两根前支杆，所述童车的左右各侧上，所述前支杆的下部转动地连接于所述底支杆的前部；所述上支杆的上部与所述前支杆的上部转动地连接，所述上支杆的下部与所述下支杆的下部转动地连接，所述车架处于折叠状态下，两侧的所述底支杆、所述下支杆、所述上支杆及所述前支杆分别转动收拢并分别沿左右方向收拢。6. The baby carriage according to claim 5 is characterized in that: the upper bracket includes two upper support rods respectively arranged on the left and right sides; the front bracket has two front support rods respectively arranged on the left and right sides, and on the left and right sides of the baby carriage, the lower part of the front support rod is rotatably connected to the front part of the bottom support rod; the upper part of the upper support rod is rotatably connected to the upper part of the front support rod, and the lower part of the upper support rod is rotatably connected to the lower part of the lower support rod, and when the frame is in a folded state, the bottom support rods, the lower support rods, the upper support rods and the front support rods on both sides are respectively rotated and folded and respectively folded in the left and right directions. 7.根据权利要求6所述的童车，其特征在于：所述下支杆包括主体杆段、固定地设置在所述主体杆段内侧的连接杆段，其中，所述主体杆段的上部与所述上支杆的下部转动地连接，所述主体杆段的下部与所述底支杆转动地连接，所述车架处于展开状态下，所述主体杆段、所述底支杆、所述前支杆及所述上支杆沿周向围设呈一封闭的框型。7. The baby carriage according to claim 6 is characterized in that: the lower support rod includes a main rod section and a connecting rod section fixedly arranged on the inner side of the main rod section, wherein the upper part of the main rod section is rotatably connected to the lower part of the upper support rod, and the lower part of the main rod section is rotatably connected to the bottom support rod, and when the frame is in an unfolded state, the main rod section, the bottom support rod, the front support rod and the upper support rod are circumferentially arranged to form a closed frame. 8.根据权利要求6所述的童车，其特征在于：所述横撑组件还包括能够沿左右方向收折的第二支撑组件，所述第二支撑组件包括相互交叉且在交叉处转动地连接的两根第二撑杆，所述第二撑杆沿上下方向延伸，所述第二撑杆的上部转动地连接于一侧的所述上支杆，所述第二撑杆的下部与另一侧所述下支杆的上部转动地连接。8. The baby carriage according to claim 6 is characterized in that: the cross-bracing assembly also includes a second supporting assembly that can be folded in the left-right direction, the second supporting assembly includes two second supporting rods that cross each other and are rotatably connected at the intersection, the second supporting rods extend in the up-down direction, the upper part of the second supporting rod is rotatably connected to the upper support rod on one side, and the lower part of the second supporting rod is rotatably connected to the upper part of the lower support rod on the other side. 9.根据权利要求8所述的童车，其特征在于：所述下支杆包括主体杆段、固定地设置在所述主体杆段内侧的连接杆段，其中，所述主体杆段转动地连接于所述上支杆与所述底支杆之间，所述连接杆段的上部与所述第二撑杆的下部转动地连接，所述连接杆段的下部与所述第一撑杆的后部转动地连接，所述车架处于展开状态下，所述主体杆段、所述底支杆、所述前支杆及所述上支杆沿周向围设呈一封闭的框型；和/或，9. The baby carriage according to claim 8, characterized in that: the lower support rod comprises a main rod section and a connecting rod section fixedly arranged on the inner side of the main rod section, wherein the main rod section is rotatably connected between the upper support rod and the bottom support rod, the upper part of the connecting rod section is rotatably connected to the lower part of the second support rod, and the lower part of the connecting rod section is rotatably connected to the rear part of the first support rod, and when the frame is in an unfolded state, the main rod section, the bottom support rod, the front support rod and the upper support rod are circumferentially arranged to form a closed frame; and/or, 所述连接杆段的下部与所述第一撑杆的后部通过第一转接件转动地连接，所述连接杆段的上部与所述第二撑杆的下部通过第二转接件转动地连接，所述车架处于展开状态下，所述第一转接件位于所述主体杆段的下部，所述第二转接件位于所述主体杆段的上方。The lower part of the connecting rod section is rotatably connected to the rear part of the first support rod via a first adapter, and the upper part of the connecting rod section is rotatably connected to the lower part of the second support rod via a second adapter. When the frame is in an unfolded state, the first adapter is located at the lower part of the main rod section, and the second adapter is located above the main rod section. 10.根据权利要求4所述的童车，其特征在于：所述车架还包括推把架，所述推把架包括分设于左右两侧的两根推把杆，两根所述推把杆的一端部相互转动连接，两根所述推把杆的另一端部转动地连接于所在侧的所述上支杆的上部；其中，10. The baby carriage according to claim 4, characterized in that: the frame further comprises a push handle frame, the push handle frame comprises two push handle rods respectively arranged on the left and right sides, one end of the two push handle rods are rotatably connected to each other, and the other end of the two push handle rods are rotatably connected to the upper part of the upper support rod on the side; wherein, 所述上支杆包括沿上下方向延伸的上支杆杆体、自所述上支杆杆体的上端向前延伸的延伸杆体，所述上支杆杆体的下部与所述下支杆转动地连接，所述延伸杆体的前部与所述前支杆的上部转动地连接，所述推把杆转动地连接于所述上支杆杆体的上部或所述延伸杆体的后部，所述车架处于折叠状态下，所述推把架沿左右方向收折且与所述延伸杆体相互收拢。The upper support rod includes an upper support rod body extending in the up-down direction, an extension rod body extending forward from the upper end of the upper support rod body, the lower part of the upper support rod body is rotatably connected to the lower support rod, the front part of the extension rod body is rotatably connected to the upper part of the front support rod, and the push handle rod is rotatably connected to the upper part of the upper support rod body or the rear part of the extension rod body. When the frame is in a folded state, the push handle frame is folded in the left-right direction and retracted with the extension rod body.
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CN100471744C (en) * 2004-11-09 2009-03-25 好孩子儿童用品有限公司 Stroller that can be folded horizontally
CN201347108Y (en) * 2008-12-31 2009-11-18 好孩子儿童用品有限公司 Infant pushcart
WO2011057582A1 (en) * 2009-11-13 2011-05-19 好孩子儿童用品有限公司 Bi-directional foldable stroller
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