CN109606450B - Child cart - Google Patents
Child cart Download PDFInfo
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- CN109606450B CN109606450B CN201811464559.4A CN201811464559A CN109606450B CN 109606450 B CN109606450 B CN 109606450B CN 201811464559 A CN201811464559 A CN 201811464559A CN 109606450 B CN109606450 B CN 109606450B
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- rod
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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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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
本发明公开了一种儿童推车，包括具有展开状态和折叠状态的车架；车架包括连接于侧支架组件之间的横支架；横支架包括至少一个横撑组件，横撑组件包括两个分别具有内端部和外端部的横撑杆，两个横撑杆的内端部相转动连接，其中一个横撑杆的外端部和其中一个侧支架组件相转动连接，另一个横撑杆的外端部和另一个侧支架组件相转动连接；横撑组件还包括用于使两个横撑杆相互转动靠拢的内连杆，内连杆的一端部和侧支架组件可滑动且可转动地连接以能够随侧支架组件的展开或折叠而相应移动，内连杆的另一端部和横撑杆相转动连接以带动横撑杆转动。该儿童推车操作方便的同时折叠后体积小巧。
The invention discloses a child stroller, comprising a frame with an unfolded state and a folded state; the frame comprises a cross support connected between side support assemblies; the cross support comprises at least one cross support assembly, the cross support assembly comprises two cross support rods respectively having inner ends and outer ends, the inner ends of the two cross support rods are rotatably connected, the outer end of one cross support rod is rotatably connected to one of the side support assemblies, and the outer end of the other cross support rod is rotatably connected to the other side support assembly; the cross support assembly also comprises an inner connecting rod for rotating the two cross support rods together, one end of the inner connecting rod is slidably and rotatably connected to the side support assembly so as to move accordingly with the unfolding or folding of the side support assembly, and the other end of the inner connecting rod is rotatably connected to the cross support rod to drive the cross support rod to rotate. The child stroller is easy to operate and compact in size after folding.
Description
Technical Field
The invention relates to the field of children products, in particular to a child trolley.
Background
The child cart is widely used for children to travel, and greatly facilitates children to travel, but when the child cart is carried or stored, the problem that the whole cart body occupies a large volume is often faced. In order to solve the problem, the existing child cart generally has a folding function, can be carried or stored after being folded, and particularly can be folded transversely for a second time, and is smaller in size.
In the existing children's barrow capable of being folded transversely and secondarily, cross support assemblies formed by two mutually-crossed connecting rods are generally adopted to connect side support assemblies on two sides, and then the children's barrow with the structure can be folded conveniently, but the folded volume is still large, carrying and storage are still inconvenient, and the folded children's barrow is provided with a space for further reducing the volume.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a stroller which is convenient to operate and compact in size after being folded.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The baby stroller comprises a frame with an unfolding state and a folding state, a front wheel arranged in front of the bottom of the frame and a rear wheel arranged at the rear of the bottom of the frame, wherein the frame comprises at least two side bracket components and a transverse bracket connected between the side bracket components;
The transverse bracket comprises at least one transverse bracket component, wherein the transverse bracket component comprises two transverse brackets with inner end parts and outer end parts respectively, the inner end parts of the two transverse brackets are rotationally connected, one outer end part of one transverse bracket is rotationally connected with one side bracket component, and the outer end part of the other transverse bracket is rotationally connected with the other side bracket component;
The transverse support assembly further comprises an inner connecting rod used for enabling the two transverse support rods to be mutually and rotatably connected, one end part of the inner connecting rod is slidably and rotatably connected with the side support assembly to correspondingly move along with the unfolding or folding of the side support assembly, and the other end part of the inner connecting rod is rotatably connected with the transverse support rod to drive the transverse support rods to rotate;
When the frame is in a unfolding state, the two transverse supporting rods are unfolded relatively, and when the frame is in a folding state, the outer end parts of the two transverse supporting rods are close.
Preferably, each side bracket assembly includes a front wheel bracket for providing the front wheels and a rear wheel bracket for providing the rear wheels, respectively, and the cross bracket includes a first cross brace assembly provided between the front wheel brackets of the two side bracket assemblies and a second cross brace assembly provided between the rear wheel brackets of the two side bracket assemblies.
More preferably, the inner link of the first cross brace assembly is rotatably connected to a first slider slidably disposed on the front wheel bracket, and the inner link of the second cross brace assembly is rotatably connected to a second slider slidably disposed on the rear wheel bracket.
Further, each side bracket component further comprises a connecting rod component used for driving the first sliding piece and/or the second sliding piece to move along with the unfolding or folding of the side bracket component.
Still further, the link assembly includes a rear stay for driving the second slider to move, a pull rod and a front stay for linking the first slider and the second slider, a rear end portion of the rear stay is rotatably connected to the second slider, a front end portion of the rear stay is connected to other portions of the side stand assembly than the rear wheel stand, a front end portion of the pull rod is rotatably connected to the front wheel stand, a rear end portion of the pull rod is rotatably connected to the second slider, an upper end portion of the front stay is rotatably connected to the pull rod, and a lower end portion of the front stay is rotatably connected to the first slider.
In a specific embodiment, the side bracket assembly further includes an upper push rod, a lower push rod with an upper end rotatably connected to the upper push rod, and a side stay with an upper end rotatably connected to the lower end of the upper push rod, the lower end of the lower push rod, the upper end of the front wheel bracket, and the upper end of the rear wheel bracket are rotatably connected or coaxially rotatably connected in pairs, the lower end of the side stay is rotatably connected to the rear wheel bracket, the front end of the rear stay is rotatably connected to the side stay or the lower push rod, and the rear end of the rear stay is rotatably connected to the second slider.
Further, the side bracket assembly further comprises a seat bar, a rear end portion of the seat bar is rotatably connected to the side stay bar, a front portion of the seat bar is slidably and rotatably connected to the push down bar, and the cross bracket further comprises a cross stay assembly connected between the seat bars.
Preferably, the end of the inner link is connected to the side bracket assembly by a slider, the end of the inner link is rotatably connected to the slider, and the slider is slidably connected to the side bracket assembly.
Preferably, the inner ends of the two cross braces are rotatably connected through a first pivot, the outer ends of the cross braces are rotatably connected with the side bracket assembly through a second pivot, one end of the inner connecting rod is rotatably connected with the side bracket assembly through a third pivot, the other end of the inner connecting rod is rotatably connected with the cross braces through a fourth pivot, and the axes of the first pivot, the second pivot, the third pivot and the fourth pivot in the same cross brace assembly are parallel to each other.
Preferably, the two cross braces of the same cross brace assembly are equal in length.
By combining the above technical scheme, the invention has the following advantages compared with the prior art:
Through with one tip slidable and rotationally connect in side support subassembly of inner connecting rod, and the other tip is rotationally connected in the cross brace pole, the inner connecting rod drives two cross braces and draws close each other when side support subassembly is folding, realizes that the cross brace subassembly draws close, convenient operation, and the transverse dimension of cross brace subassembly after drawing close is less moreover, has reduced the size after children's shallow is folding for the volume after folding is comparatively small and exquisite.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of a child stroller with a frame in an expanded configuration according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial enlarged view at B in FIG. 1;
FIG. 4 is a side view of the stroller of FIG. 1;
FIG. 5 is a perspective view of the child stroller of FIG. 1 with the frame during folding;
FIG. 6 is a side view of the stroller of FIG. 5;
FIG. 7 is a perspective view of the child stroller of FIG. 1 with the frame in a collapsed condition;
fig. 8 is a side view of the stroller of fig. 7.
Wherein,
1. Side bracket components, 11, an upper push rod, 111, an upper rod, 112, a lower rod, 12, a lower push rod, 13, a front wheel bracket, 131, a first sliding sleeve, 14, a rear wheel bracket, 141, a second sliding sleeve, 15, a side support rod, 16, a rear support rod, 17, a pull rod, 18, a front support rod, 19, a seat rod, 191 and a seat rod sliding sleeve;
2. The device comprises a transverse bracket, a transverse supporting rod, a 22a, an inner connecting rod, a 22b, an inner connecting rod, a 23, a first connecting rod, a 24, a second connecting rod, a 201, a first transverse supporting assembly, a 202, a second transverse supporting assembly, a 203, a cross supporting assembly, a 204 and a push rod connecting assembly;
3. A front wheel;
4. and a rear wheel.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art. The terms of orientation referred to in this invention are defined in terms of the usual viewing angles of the unfolded stroller by those skilled in the art, such as "front", "rear" corresponding to the left and right sides of the page of fig. 2, respectively.
Referring to fig. 1-8, a stroller comprises a frame having an unfolded state and a folded state, front wheels 3 disposed in front of the bottom of the frame, and rear wheels 4 disposed behind the bottom of the frame. The frame comprises at least two side bracket assemblies 1 and a transverse bracket 2 connected between the side bracket assemblies 1. In this embodiment, the number of the side bracket assemblies 1 is two and is respectively located at the left and right sides of the stroller, and in other embodiments, the number of the side bracket assemblies 1 may be three. The cross bracket 2 is used to connect the side bracket assemblies 1 on both sides.
As shown in connection with fig. 2 and 3, the cross-brace 2 comprises at least one cross-brace assembly. Each of the cross brace assemblies includes two cross braces (i.e., cross brace 21a and cross brace 21 b) having inner and outer ends, respectively, the inner ends of the cross brace 21a and the cross brace 21b being rotatably connected, wherein the outer end of the cross brace 21a is rotatably connected to one of the side bracket assemblies 1 and the outer end of the cross brace 21b is rotatably connected to the other side bracket assembly 1. The cross brace assembly further includes an inner link (i.e., inner link 22a and/or inner link 22 b) for rotatably moving the cross brace 21a and the cross brace 21b toward each other, one end of the inner link being slidably and rotatably coupled to the side bracket assembly 1 to be capable of corresponding movement as the side bracket assembly 1 is folded, and the other end of the inner link being rotatably coupled to the cross brace 21a and/or the cross brace 21b to rotate the cross brace 21a and the cross brace 21 b. Specifically, the cross brace assembly includes an inner link 22a and an inner link 22b, a lower end portion of the inner link 22a is slidably and rotatably coupled to the left side bracket assembly 1, an upper end portion of the inner link 22a is rotatably coupled to the cross brace 21a, and a lower end portion of the inner link 22b is slidably and rotatably coupled to the right side bracket assembly 1, and an upper end portion of the inner link 22b is rotatably coupled to the cross brace 21 b. The lower ends of the inner links 22a and 22b are respectively connected to the side bracket assembly 1 by a slider, and the lower ends of the inner links 22a and 22b are respectively rotatably connected to a slider, which is specifically a sliding sleeve, slidably connected to the side bracket assembly 1. When the frame is in an unfolded state, the cross bars 21a and 21b are unfolded relatively and extend along the left-right direction of the stroller, a triangular structure is formed between each cross bar 21a and the corresponding side inner link 22a, and between each cross bar 21b and the corresponding side inner link 22b, and between each cross bar 21b and the corresponding side bracket assembly 1, and when the frame is in a folded state, the outer ends of the cross bars 21a and 21b are close to each other, the inner ends of the cross bars 21a and 21b are located above or below the outer ends of the cross bars 21a, 21b, the inner links 22a, 22b and the side bracket assemblies 1 are close to each other. In addition, the lengths of the cross bars 21a and 21b of the same cross bar assembly are equal, and the cross bar assembly is symmetrical with the left and right mirrors to reduce the distance between the two side bracket assemblies 1 after folding, i.e., to reduce the lateral dimension. More preferably, the cross brace 2 comprises a plurality of cross brace assemblies, the cross brace bars of each cross brace assembly being of equal length.
Each side bracket assembly 1 comprises a front wheel bracket 13 for arranging the front wheels 3 and a rear wheel bracket 14 for arranging the rear wheels 4, and the upper end parts of the front wheel bracket 13 and the rear wheel bracket 14 are rotatably connected. The cross brace 2 includes a first cross brace assembly 201 disposed between the front wheel brackets 13 of the two side brace assemblies 1 and a second cross brace assembly 202 disposed between the rear wheel brackets 14 of the two side brace assemblies 1. Referring to fig. 2, in the first cross brace assembly 201, outer ends of a cross brace 21a and a cross brace 21b are rotatably connected to a front wheel bracket 13, an upper end of an inner link 22a is rotatably connected between two ends of the cross brace 21a, an upper end of an inner link 22b is rotatably connected between two ends of the cross brace 21b, lower ends of the inner link 22a and the inner link 22b are rotatably connected to a first sliding member, specifically, a first sliding sleeve 131 slidably sleeved on the front wheel bracket 13, and the two first sliding sleeves 131 are respectively positioned below the cross brace 21a and the cross brace 21 b. Referring to fig. 3, in the second cross brace assembly 202, outer ends of the cross brace 21a and the cross brace 21b are rotatably connected to the rear wheel bracket 14, an upper end of the inner link 22a is rotatably connected between both ends of the cross brace 21a, an upper end of the inner link 22b is rotatably connected between both ends of the cross brace 21b, lower ends of the inner link 22a and the inner link 22b are rotatably connected to a second sliding member, specifically, a second sliding sleeve 141 slidably sleeved on the rear wheel bracket 14, and the two second sliding sleeves 141 are respectively positioned below the cross brace 21a and the cross brace 21 b.
Referring to fig. 2, the inner ends of the cross bars 21a and 21b are rotatably connected to each other by a first pivot a1, the outer ends of the cross bars 21a and 21b are rotatably connected to the side frame assembly 1 by second pivots a2, respectively, the lower ends of the inner links 22a and 22b are rotatably connected to the side frame assembly 1 by third pivots a3, respectively, the upper ends of the inner links 22a are rotatably connected to the cross bars 21a by fourth pivots a4, the upper ends of the inner links 22b are rotatably connected to the cross bars 21b by fourth pivots a4, and the axes of the first pivot a1, the second pivots a2, the third pivots a3, and the fourth pivots a4 in the same cross frame assembly are parallel to each other, and preferably perpendicular to a plane in which the center lines of the two front wheel brackets 13 are located together or a plane in which the center lines of the two rear wheel brackets 14 are located together.
Each side bracket assembly 1 further comprises a connecting rod assembly for driving the first sliding sleeve 131 and/or the second sliding sleeve 141 to slide along with the expansion or folding of the side bracket assembly 1, and when the side bracket assembly 1 expands or folds, the connecting rod assembly acts along with the expansion or folding of the side bracket assembly, so that the first sliding sleeve 131 is driven to slide along the front wheel bracket 13 and/or the second sliding sleeve 141 is driven to slide along the rear wheel bracket 14. The connecting rod assembly specifically comprises a rear stay bar 16 for driving the second sliding sleeve 141 to move, a pull rod 17 and a front stay bar 18, wherein the pull rod 17 and the front stay bar 18 are positioned between the first sliding sleeve 131 and the second sliding sleeve 141 to enable the second sliding sleeve 141 to be in linkage, the rear end part of the rear stay bar 16 is rotatably connected with the second sliding sleeve 141, the front end part of the rear stay bar 16 is connected with other parts of the side bracket assembly 1 except for the rear wheel bracket 14, the front end part of the pull rod 17 is rotatably connected with the front wheel bracket 13, the rear end part of the pull rod 17 is rotatably connected with the second sliding sleeve 141, the upper end part of the front stay bar 18 is rotatably connected between two end parts of the pull rod 17, and the lower end part of the front stay bar 18 is rotatably connected with the first sliding sleeve 131.
As shown in fig. 1 and 4, each side bracket assembly 1 specifically includes the front wheel bracket 13, the rear wheel bracket 14, the rear stay 16, the tie rod 17, the front stay 18, and the upper push rod 11, the lower push rod 12, and the side stay 15. The upper push rod 11 is composed of an upper rod 111 and a lower rod 112 which are arranged up and down and are fixedly connected into a whole, and the upper end part of the lower push rod 12 is rotatably connected to the joint of the upper rod 111 and the lower rod 112 of the upper push rod 11. The lower end of the push rod 12, the upper end of the front wheel bracket 13 and the upper end of the rear wheel bracket 14 are connected in a two-to-two rotary manner or in a coaxial rotary manner, for example, two parts are firstly connected in a rotary manner through one pivot, and the third part is connected in a rotary manner through the other pivot and one of the two parts, or the three parts are connected in a rotary manner through the same pivot. In the present embodiment, the lower end portion of the push down lever 12 and the upper end portion of the front wheel bracket 13 are pivotally connected to the upper portion of the rear wheel bracket 14, respectively. The upper end portion of the side stay 15 is rotatably connected to the lower end portion of the lower rod 112 of the upper push rod 11, and the lower end portion of the side stay 15 is rotatably connected to the rear wheel bracket 14. The front end portion of the rear stay 16 is specifically rotatably connected between both end portions of the side stay 15 or rotatably connected between both end portions of the push down rod 12.
The side bracket assembly 1 further includes a seat bar 19, a rear end portion of the seat bar 19 is rotatably coupled to the side stay 15, and a front portion of the seat bar 19 is slidably and rotatably coupled to the push down bar 12. In the embodiment, the seat rod 19 is slidably inserted into the seat rod sliding sleeve 191, the seat rod sliding sleeve 191 is rotatably connected to the push rod 12, and the rear end portion of the seat rod 19 and the upper end portion of the rear stay 16 are rotatably connected to the side stay 15 through the same pivot.
As shown in connection with fig. 1, the cross brace 2 further includes a cross brace assembly 203 connected between the seat bars 19 of the two side brace assemblies 1. The cross brace assembly 203 includes two sets of first links 23, each set of first links 23 including two first links 23 that intersect one another to form a cross-shaped structure. The middle parts of the two first connecting rods 23 of each group are rotatably connected, the outer end parts of the two first connecting rods are respectively rotatably connected with the seat rod 19, and the inner end parts of the two first connecting rods 23 of the other group are respectively rotatably connected with the inner end parts of the two first connecting rods. The cross brace assembly 203 between the seat posts 19 may also be replaced with a cross brace assembly as described above.
The cross bracket 2 further includes a push rod coupling assembly 204 coupled between upper ends of the upper push rods 11 of the two side bracket assemblies 1. The push rod connection assembly 204 includes two second links 24, inner ends of the two second links 24 are rotatably connected, and outer ends of the second links 24 are rotatably connected to an upper end of the upper push rod 11.
Reference to "rotational coupling" in this embodiment is to a pivotal coupling whereby two or three members are pivotally coupled and permit relative rotation between the members.
Referring to fig. 1 to 4, when the frame is in the unfolded state, the cross frame 2 is unfolded, wherein the two cross bars 21a and 21b of the first cross bar assembly 201 are unfolded relatively and extend in the left and right directions of the stroller to unfold the front wheel brackets 13 on both sides, the two cross bars 21a and 21b of the second cross bar assembly 202 are unfolded relatively and extend in the left and right directions of the stroller to unfold the rear wheel brackets 14 on both sides, the cross bar assembly 203 is unfolded to unfold the seat bars 19 on both sides, and the two second links 24 of the push rod connection assembly 204 are unfolded and extend in the left and right directions of the stroller to unfold the push rods 11 on both sides. The upper push rod 11, the lower push rod 12, the front wheel bracket 13, the rear wheel bracket 14 and the side stay 15 of each side bracket assembly 1 are mutually unfolded.
As shown in fig. 5 and 6, when the frame is folded, the locking mechanism between the upper push rod 11 and the lower push rod 12 is unlocked, the push rod 11 is pressed downwards to lean against the rear wheel bracket 14, the side stay 15 pushes the rear stay 16 to enable the second sliding sleeve 141 to move downwards, the pull rod 17 is driven to rotate, the front stay 18 rotates to push the first sliding sleeve 131 to move downwards along with the front wheel bracket 13 and the rear wheel bracket 14 when being closed, and the inner connecting rod 22a and the inner connecting rod 22b rotate to pull the transverse stay 21a and the transverse stay 21b downwards along with the downward movement of the second sliding sleeve 141 and the first sliding sleeve 131 to rotate to drive the first transverse stay assembly 201 and the second transverse stay assembly 202 to fold, and the cross stay assembly 203 and the push rod connecting assembly 204 are folded along with the closing.
As shown in fig. 7 and 8, when the frame is in the folded state, the rods of the side bracket assemblies 1 are respectively drawn together, the cross bar 21a and the cross bar 21b, the inner link 22a and the inner link 22b of the first cross bar assembly 201 are drawn together to draw the front wheel brackets 13 on both sides, the two cross bar 21a and the cross bar 21b of the second cross bar assembly 202 are drawn together to draw the rear wheel brackets 14 on both sides, the cross bar assembly 203 is drawn together to draw the seat rods 19 on both sides together, and the two second link 24 of the push rod connecting assembly 204 is drawn together to draw the push rods 11 on both sides together, thereby realizing folding of the stroller in the lateral direction (i.e., left-right direction) to draw the side bracket assemblies 1 together.
The side bracket assembly 1 is folded and simultaneously drives the first transverse support assembly 201 and the second transverse support assembly 202 to be folded, so that the operation is convenient, the transverse dimensions of the folded first transverse support assembly 201 and second transverse support assembly 202 are smaller, the folded dimensions (particularly the dimensions in the left-right direction) of the stroller are reduced, and the folded volume is small.
The above examples are only for illustrating the technical concept and features of the present invention, and are intended to be preferred embodiments, and those skilled in the art can understand the content of the present invention and implement the same, and thus are not intended to limit the scope of the present invention. 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 (8)
1. The baby stroller comprises a frame with an unfolding state and a folding state, a front wheel arranged in front of the bottom of the frame and a rear wheel arranged at the rear of the bottom of the frame, wherein the frame comprises at least two side bracket components and a transverse bracket connected between the side bracket components, and is characterized in that:
The side bracket assembly further comprises seat bars, the cross bracket comprises at least one cross bracket assembly, a cross bracket assembly connected between the seat bars and a push rod connecting assembly positioned between upper push rods of the side bracket assembly, the push rod connecting assembly comprises a second connecting rod, the inner end parts of the second connecting rod are rotatably connected, the outer end parts of the second connecting rod are rotatably connected with the upper push rods, the cross bracket assembly comprises a first cross bracket assembly and a second cross bracket assembly, the inner connecting rod of the first cross bracket assembly is rotatably connected with a first sliding piece, the inner connecting rod of the second cross bracket assembly is rotatably connected with a second sliding piece, each side bracket assembly further comprises a connecting rod assembly used for driving the first sliding piece and the second sliding piece to move along with the expansion or folding of the side bracket assembly, the connecting rod assembly comprises a rear supporting rod used for driving the second sliding piece to move, a linkage of the first sliding piece and the second sliding piece and a front supporting rod, the rear supporting rod of the first cross bracket is rotatably connected with the front supporting rod is rotatably connected with the front end parts of the front supporting rod, and the front supporting rod is rotatably connected with the front end parts of the front supporting rod;
the transverse support assembly comprises two transverse support rods which are respectively provided with an inner end part and an outer end part, the transverse support assemblies are in mirror symmetry left and right, the lengths of the two transverse support rods of the same transverse support assembly are equal, the inner end parts of the two transverse support rods are in rotary connection, the outer end part of one transverse support rod is in rotary connection with one side support assembly, and the outer end part of the other transverse support rod is in rotary connection with the other side support assembly;
The transverse support assembly further comprises an inner connecting rod used for enabling the two transverse support rods to be mutually and rotatably connected, one end part of the inner connecting rod is slidably and rotatably connected with the side support assembly to correspondingly move along with the unfolding or folding of the side support assembly, and the other end part of the inner connecting rod is rotatably connected with the transverse support rod to drive the transverse support rods to rotate;
When the frame is in a unfolding state, the two transverse supporting rods are unfolded relatively, a triangular structure is formed between the transverse supporting rods and the inner connecting rods and the side bracket assemblies on the corresponding sides, and when the frame is in a folding state, the outer end parts of the two transverse supporting rods are close to each other.
2. The stroller of claim 1, wherein each side bracket assembly includes a front wheel bracket for providing the front wheels and a rear wheel bracket for providing the rear wheels, respectively, and wherein the cross bracket includes a first cross brace assembly disposed between the front wheel brackets of the two side bracket assemblies and a second cross brace assembly disposed between the rear wheel brackets of the two side bracket assemblies.
3. The stroller of claim 2, wherein the inner link of the first cross-brace assembly is rotatably coupled to the first slide member, the first slide member is slidably disposed on the front wheel support, and the inner link of the second cross-brace assembly is rotatably coupled to the second slide member, the second slide member is slidably disposed on the rear wheel support.
4. The stroller of claim 1, wherein the side bracket assembly further comprises a lower push rod rotatably connected to the upper push rod at an upper end portion thereof and a side stay rotatably connected to a lower end portion of the upper push rod at an upper end portion thereof, wherein the lower end portion of the lower push rod, the upper end portion of the front wheel bracket and the upper end portion of the rear wheel bracket are rotatably connected or coaxially rotatably connected in pairs, the lower end portion of the side stay is rotatably connected to the rear wheel bracket, the front end portion of the rear stay is rotatably connected to the side stay or the lower push rod, and the rear end portion of the rear stay is rotatably connected to the second slider.
5. The stroller of claim 4, wherein the rear end of the seat bar is rotatably coupled to the side stay and the front portion of the seat bar is slidably and rotatably coupled to the push down bar.
6. The stroller of claim 1, wherein the end of the inner link is connected to the side bracket assembly by a slider, the end of the inner link being rotatably connected to the slider, the slider being slidably connected to the side bracket assembly.
7. The stroller of claim 1, wherein the inner ends of the two cross-braces are pivotally connected by a first pivot, the outer ends of the cross-braces are pivotally connected to the side bracket assemblies by a second pivot, one end of the inner link is pivotally connected to the side bracket assemblies by a third pivot, and the other end of the inner link is pivotally connected to the cross-braces by a fourth pivot, the axes of the first pivot, each of the second pivot, each of the third pivot, and each of the fourth pivot in the same cross-brace assembly being parallel to each other.
8. The stroller of claim 1, wherein the two cross-braces of the same cross-brace assembly are equal in length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464559.4A CN109606450B (en) | 2018-12-03 | 2018-12-03 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811464559.4A CN109606450B (en) | 2018-12-03 | 2018-12-03 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109606450A CN109606450A (en) | 2019-04-12 |
| CN109606450B true CN109606450B (en) | 2024-12-27 |
Family
ID=66006246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811464559.4A Active CN109606450B (en) | 2018-12-03 | 2018-12-03 | Child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109606450B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4272100A (en) * | 1978-08-29 | 1981-06-09 | Kassai Kabushikikaisha | Collapsible baby carriage |
| US4317581A (en) * | 1979-10-13 | 1982-03-02 | Kassai Kabushikikaisha | Baby carriage |
| CN1511492A (en) * | 2002-12-30 | 2004-07-14 | 陈逢春 | Multipurpose synchronous foldable exhibition shelf |
| CN209479739U (en) * | 2018-12-03 | 2019-10-11 | 好孩子儿童用品有限公司 | a children's stroller |
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|---|---|---|---|---|
| EP0239367A3 (en) * | 1986-03-28 | 1989-03-22 | Aprica Kassai Kabushikikaisha | Baby carriage |
| CN106515832B (en) * | 2016-11-25 | 2018-10-19 | 好孩子儿童用品有限公司 | Children trolley |
| CN106672048A (en) * | 2016-12-10 | 2017-05-17 | 柯全德 | Children's folding bicycle |
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|---|---|---|---|---|
| US4272100A (en) * | 1978-08-29 | 1981-06-09 | Kassai Kabushikikaisha | Collapsible baby carriage |
| US4317581A (en) * | 1979-10-13 | 1982-03-02 | Kassai Kabushikikaisha | Baby carriage |
| CN1511492A (en) * | 2002-12-30 | 2004-07-14 | 陈逢春 | Multipurpose synchronous foldable exhibition shelf |
| CN209479739U (en) * | 2018-12-03 | 2019-10-11 | 好孩子儿童用品有限公司 | a children's stroller |
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| CN109606450A (en) | 2019-04-12 |
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