CN212828627U - Children's barrow - Google Patents

Children's barrow Download PDF

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Publication number
CN212828627U
CN212828627U CN202021216684.6U CN202021216684U CN212828627U CN 212828627 U CN212828627 U CN 212828627U CN 202021216684 U CN202021216684 U CN 202021216684U CN 212828627 U CN212828627 U CN 212828627U
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China
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rod
sides
frame
rotatably connected
support
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CN202021216684.6U
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Chinese (zh)
Inventor
唐鸣
李兴旺
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Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
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Priority to CN202021216684.6U priority Critical patent/CN212828627U/en
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Abstract

The utility model discloses a children cart, and the cart frame comprises two side brackets respectively arranged at the left and right sides and a cross brace component connected between the side brackets, each side bracket comprises a front bracket, a rear bracket and a push rod bracket, the cross brace component comprises a front wheel frame connected between the lower parts of the front brackets at the two sides and a rear support frame arranged between the rear brackets at the two sides and can be folded along the left and right directions, and an upper support frame which is arranged between the push rod frames at the two sides and can be folded along the left-right direction, the front wheel component is arranged at the bottom of the front wheel frame, the lower part of the rear support frame at each side is provided with a rear wheel component, the lower parts of the front support frames at the two sides are respectively connected on the front wheel frame in a rotating way through a rotating shaft, when the cart frame is folded, the front brackets on the two sides rotate oppositely to be folded, and the rear brackets and the upper brackets are folded along the left and right directions respectively, so that the side brackets on the two sides are folded along the left and right directions. The baby stroller is simple in structure, the folded stroller frame is compact in structure and small in size, and storage and carrying are facilitated.

Description

Children's barrow
Technical Field
The utility model relates to a children's articles for use field especially relates to a children's shallow.
Background
The child stroller plays an important role in daily life of a user for carrying an infant to go out, and is one of indispensable children products in the growth process of the child. In the prior art, the structure of the baby stroller is various, the connection relationship of the rod pieces is different, the bearing stability, the seat installation mode, the folding mode and the folding principle of the stroller are different, and the folded form and the folded volume are different. How to make children's shallow on the basis that has good bearing capacity, the structure of member is simpler, folding operation is more convenient and volume after folding is littleer, is the target that this technical field personnel continuously pursue always.
Disclosure of Invention
The utility model aims at providing a novel children's shallow that can fold up along left right direction.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a children's cart, including the shallow frame that has expansion state and fold condition, locate the anterior front wheel subassembly at the bottom of the shallow frame, locate the rear wheel subassembly at the bottom of the shallow frame rear portion, and be used for with the locking mechanism of shallow frame locking under expansion state, the shallow frame includes that the branch locates two collateral branch framves of the left and right sides and connects both sides the stull subassembly between the collateral branch frame, each side the collateral branch frame all includes along fore-stock, after-poppet and the push rod frame that extends from top to bottom direction separately, two parts pivotal connection and the third part pivotal connection in these three parts of the lower part of fore-stock, after-poppet and on one part in aforementioned two parts, perhaps three parts link together around same rotation center line rotatoryly,
the cross brace subassembly is including connecting both sides preceding wheel carrier between the fore-stock lower part, setting are in both sides just can follow the back strut that left right direction folded up between the after-poppet to and set up in both sides just can follow the last strut that left right direction folded up between the push rod frame, the front wheel subassembly is located the bottom of preceding wheel carrier, every side the lower part of after-poppet all is provided with back wheel subassembly, both sides the lower part of fore-stock respectively connects through a pivot rotation ground on the preceding wheel carrier, works as when the shallow frame is in fold condition, both sides the fore-stock rotates in opposite directions and draws in, back strut with the last strut folds up along left right direction respectively, both sides the side bearer draws in along left right direction.
Preferably, the upper support frame comprises two upper support rods and a support rod seat rotatably connected between the two upper support rods, one end of each of the two upper support rods is rotatably connected to the support rod seat, the other end of each of the two upper support rods is rotatably connected to the push rod frames on the two sides, and when the stroller frame is in the unfolded state, the upper support rods on the two sides and the support rod seat extend in the horizontal direction.
Preferably, the rear support frame includes a main support rod extending in the vertical direction, a sliding member disposed on the main support rod in a vertically sliding manner, and two sets of upper connecting rods, a middle connecting rod and a lower connecting rod disposed on the left and right sides of the main support rod, wherein on each of the left and right sides of the main support rod, one end of the upper connecting rod is rotatably connected to the upper portion of the main support rod and the other end thereof is rotatably connected to the rear bracket, one end of the lower connecting rod is rotatably connected to the lower portion of the main support rod and the other end thereof is rotatably connected to the rear bracket, one end of the middle connecting rod is rotatably connected to the sliding member and the other end thereof is rotatably connected to the lower connecting rod, when the stroller frame is in the unfolded state, the upper connecting rods on both sides extend in the same linear direction, and the lower connecting rods on both sides extend in the; when the cart frame is in a folded state, the main support rod moves upwards, and the upper connecting rod, the middle connecting rod and the lower connecting rod on the two sides respectively rotate and fold relative to the main support rod.
Preferably, the front wheel frame extends in a left-right direction, lower end portions of the front brackets at both sides are rotatably connected to both end portions of the front wheel frame through the rotating shaft, respectively, and an axis line of the rotating shaft is perpendicular to a longitudinal extending direction of the front wheel frame.
Further, the front wheel frame is provided with an accommodating groove with an upward opening, and the lower end part of the front bracket is arranged in the accommodating groove in a penetrating mode and is rotatably connected with the front wheel frame.
Preferably, when the stroller frame is in a folded state, the distance between the rear wheel assemblies on the two sides is reduced, all the wheel shafts of the front wheel assemblies and the rear wheel assemblies extend in the left-right direction, and the front wheel assemblies are located between the rear wheel assemblies on the two sides.
Preferably, in the side support of each side, the push rod support includes a lower push rod and an upper push rod which can be relatively folded, the upper portion of the front support and the lower portion of the lower push rod are respectively rotatably connected with the upper portion of the rear support, the upper portion of the lower push rod is rotatably connected with the upper push rod, the side support further includes a seat rod and a rear pull rod, the front portion of the seat rod is rotatably connected with the front support, the rear pull rod is rotatably connected with the rear support, the upper portion of the rear pull rod is rotatably connected with the lower portion of the upper push rod, the lower portion of the rear pull rod is rotatably connected with the seat rod, and the upper support frame is arranged between the upper push rods on both sides.
Preferably, in the side brackets on each side, the push rod bracket comprises a lower push rod and an upper push rod which can be relatively folded, the upper part of the front bracket and the lower part of the lower push rod are respectively and rotatably connected with the upper part of the rear bracket, the upper part of the lower push rod is rotatably connected with the upper push rod,
the side support further comprises a seat rod, a bottom connecting rod and a rear pull rod, the front portion of the seat rod is rotatably connected to the front support, the bottom connecting rod is rotatably connected between the rear portion of the seat rod and the rear support, the rear pull rod is rotatably connected to the rear support, the upper portion of the rear pull rod is rotatably connected with the lower portion of the upper push rod, the lower portion of the rear pull rod can rotate relatively and can be slidably arranged on the bottom connecting rod along the length extending direction of the bottom connecting rod, and the upper support frame is arranged between the upper push rods on two sides.
In order to achieve the above object, the utility model discloses a another technical scheme is: a children's cart, including the shallow frame that has expansion state and fold condition, locate the anterior front wheel subassembly at the bottom of the shallow frame, locate the rear wheel subassembly at the bottom of the shallow frame rear portion, and be used for with the locking mechanism of shallow frame locking under expansion state, the shallow frame includes that the branch locates two collateral branch framves of the left and right sides and connects both sides the stull subassembly between the collateral branch frame, every side the collateral branch frame all includes along fore-stock, after-poppet and the push rod frame that extends from top to bottom direction separately, the push rod frame is including the push rod down and the last push rod that can fold up relatively, the upper portion of fore-stock, the upper portion of after-poppet and two parts pivot connection and the third part pivot connection in these three parts in the lower part of push rod down are in one of aforementioned two parts, perhaps the three parts link together around same rotation center line rotatoryly, the upper part of the lower push rod is rotationally connected to the upper push rod, the side support also comprises a seat rod and a rear pull rod, the front part of the seat rod is rotationally connected to the front support, the rear pull rod is rotationally connected to the rear support, the upper part of the rear pull rod is rotationally connected with the lower part of the upper push rod, the lower part of the rear pull rod is rotationally connected to the seat rod,
the cross brace subassembly is including connecting both sides preceding wheel carrier between the fore-stock lower part, setting are in both sides just can follow the back strut that left right direction folded up between the after-poppet to and set up in both sides the last strut that left right direction folded up just can be followed between the push up rod, the front wheel subassembly is located the bottom of preceding wheel carrier, every side the lower part of after-poppet all is provided with the back wheel subassembly, both sides the lower part of fore-stock respectively connects through a pivot rotation ground on the preceding wheel carrier, works as when the shallow frame is in fold condition, both sides the fore-stock rotates in opposite directions and draws in, the back strut with the last strut folds up along left right direction respectively, both sides the side bearer draws in along left right direction.
Preferably, the upper support frame comprises two upper support rods and a support rod seat which is rotatably connected between the two upper support rods, one end of each of the two upper support rods is rotatably connected to the support rod seat, and the other end of each of the two upper support rods is rotatably connected to the push rod frames on the two sides;
the rear support frame comprises a main support rod extending along the vertical direction, a sliding part arranged on the main support rod in a vertically sliding manner, and two groups of upper connecting rods, a middle connecting rod and a lower connecting rod which are respectively arranged at the left side and the right side of the main support rod, wherein one end of each upper connecting rod is rotatably connected to the upper part of the main support rod, the other end of each upper connecting rod is rotatably connected to the rear support, one end of each lower connecting rod is rotatably connected to the lower part of the main support rod, the other end of each lower connecting rod is rotatably connected to the rear support, one end of each middle connecting rod is rotatably connected to the sliding part, and the other end of each middle connecting rod is rotatably connected to the lower connecting rod,
when the cart frame is in an unfolded state, the upper support rods and the support rod seats on the two sides extend along the horizontal direction, the upper connecting rods on the two sides extend along the same linear direction, and the lower connecting rods on the two sides extend along the same linear direction; when the stroller frame is in a folded state, the strut seats move upwards to enable the two upper struts to rotate relatively and fold, and the main strut moves upwards to enable the upper connecting rod, the middle connecting rod and the lower connecting rod on the two sides to rotate relatively and fold relative to the main strut respectively.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's shallow, its simple structure has good stability under the expansion state, and folding convenient operation can follow left right direction and draw in after folding, and shallow frame compact structure and volume after folding are less, are convenient for deposit and carry.
Drawings
Fig. 1 is a perspective view of a stroller according to embodiment 1 of the present invention in an unfolded state;
fig. 2 is a side view of the stroller of embodiment 1 of the present invention in an unfolded state;
fig. 3 is a schematic structural view of a rear support frame of the stroller in an unfolded state according to embodiment 1 of the present invention;
fig. 4 is a perspective view of the stroller of embodiment 1 of the present invention in a semi-folded state;
fig. 5 is a side view of the stroller of embodiment 1 of the present invention in a semi-folded state;
fig. 6 is a perspective view of the stroller of embodiment 1 of the present invention in a folded state;
fig. 7 is a side view of the stroller of embodiment 1 of the present invention in a folded state;
fig. 8 is a rear view of the stroller of embodiment 1 of the present invention in a folded state;
fig. 9 is a schematic structural view of a back support frame of the stroller in a folded state according to embodiment 1 of the present invention;
fig. 10 is a side view of the stroller of embodiment 2 of the present invention in an expanded state;
wherein: 100. a side bracket; 10. a front wheel assembly; 20. a rear wheel assembly;
1. a front bracket; 2. a rear bracket; 3. a push rod frame; 31. a lower push rod; 32. a push rod is arranged; 4. a seat post; 5. a rear pull rod; 6. a front wheel carrier; 7. a rear support frame; 71. a main stay bar; 72. a slider; 73. an upper connecting rod; 74. a lower connecting rod; 75. a middle connecting rod; 76. pedaling; 8. an upper support frame; 81. an upper stay bar; 82. a strut seat; 9. a rotating shaft; 11. a bottom link; 12. and (4) a sliding sleeve.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1 to 9, a stroller includes a stroller frame having an unfolded state and a folded state, a front wheel assembly 10 provided at a front portion of a bottom of the stroller frame, a rear wheel assembly 20 provided at a rear portion of the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state. The cart frame has two side brackets 100 respectively disposed at left and right sides, and a cross brace assembly connected between the side brackets 100 at both sides.
The side frames of each side include a front frame 1, a rear frame 2, and a push rod frame 3, each extending in an up-down direction, and two of the three members, an upper portion of the front frame 1, an upper portion of the rear frame 2, and a lower portion of the push rod frame 3, are pivotally connected and a third member is pivotally connected to one of the two members, or the three members are rotatably connected together about the same rotation center line.
In the present embodiment, in the side bracket 100 on each side, the push rod bracket 3 includes a lower push rod 31 and an upper push rod 32 which can be relatively folded, specifically, the upper portion of the front bracket 1 and the lower push rod 31 are respectively rotatably connected with the upper portion of the rear bracket 2, and the upper portion of the lower push rod 31 is rotatably connected with the upper push rod 32. The side stand 100 further includes a seat bar 4 and a rear link 5, the seat bar 4 extends in the front-rear direction, the front portion of the seat bar 4 is rotatably connected to the front stand 1, the rear link 5 extends in the up-down direction, the rear link 5 is rotatably connected to the rear stand 2, the upper portion of the rear link 5 is rotatably connected to the lower portion of the upper push rod 32, and the lower portion of the rear link 5 is rotatably connected to the seat bar 4, wherein the rotational connection between the rear link 5 and the rear stand 2 is located between the rotational connection between the rear link 5 and the upper push rod 32 and the rotational connection between the rear link 5 and the seat bar 4 in the length extending direction and the front-rear direction of the rear link 5.
Referring to the drawings, the cross brace assembly comprises a front wheel frame 6 connected between the lower parts of the front brackets 1 at the two sides, a rear support frame 7 arranged between the rear brackets 2 at the two sides and capable of being folded along the left-right direction, and an upper support frame 8 arranged in front of the push rod frames 3 at the two sides and capable of being folded along the left-right direction, two groups of front wheel assemblies 10 are arranged at the bottom of the front wheel frame 6, and the lower parts of the front brackets 1 at the two sides are respectively connected on the front wheel frame 6 in a rotating manner through a rotating shaft 9; the lower portion of the rear bracket 2 of each side is provided with a rear wheel assembly 20.
Specifically, referring to the drawings, the front wheel frame 6 extends in the left-right direction, the lower ends of the front brackets 1 on both sides are rotatably connected to both ends of the front wheel frame 6 by a rotating shaft 9, respectively, and the axis of the rotating shaft 9 is perpendicular to the longitudinal extension direction of the front wheel frame 6. Here, the front wheel frame 6 has an upwardly open receiving groove, and the lower end of the front frame 1 is inserted into the receiving groove and rotatably connected to the front wheel frame 6 by a rotating shaft 9. When the stroller frame is folded in the left-right direction, the front brackets 1 on the two sides rotate around the rotating shaft 9 respectively relative to the front wheel frame 6, so that the front brackets 1 on the two sides rotate oppositely and are folded in the left-right direction.
The upper support frame 8 and the rear support frame 7 can be folded along the left and right directions respectively, the two can adopt the same structure and also can adopt different structures, and the specific mode adopted in the embodiment is as follows:
referring to fig. 1, 4 and 6, the upper support frame 8 includes two upper support rods 81 respectively rotatably connected to the push rod frames 3 on both sides, and when the stroller frame is in the unfolded state, the upper support rods 81 on both sides extend in the same straight direction and support between the push rod frames 3 on both sides in the left-right direction. Specifically, the upper support 8 is disposed between the upper push rods 32 on both sides, the upper support 8 further includes a support rod seat 82 disposed between two upper support rods 81, one end of each upper support rod 81 is rotatably connected to the support rod seat 82, and the other end thereof is rotatably connected to the upper push rod 32. In the unfolded state of the stroller frame, the upper stay 8 is unfolded, and the upper stays 81 and the stay bases 82 on both sides extend in the horizontal direction and are supported between the upper push rods 32 on both sides, as shown in fig. 1. When the stroller frame is folded, referring to fig. 4, the upper stays 81 at both sides rotate relative to the upper push rods 32, so that the upper stays 81 at both sides rotate relative to the stay seats 82, and gradually fold in the left-right direction, as shown in fig. 6, so that the upper push rods 32 at both sides fold in the left-right direction.
Referring to fig. 1 to 9, the rear bracket 7 includes a main stay 71 extending in the vertical direction, a sliding member 72 provided on the main stay 71 to slide vertically, and two sets of upper links 73, a middle link 75, and a lower link 74 provided on both left and right sides of the main stay 71, wherein on each of the left and right sides of the main stay 71, one end of the upper link 74 is pivotally connected to an upper portion of the main stay 71 and the other end is pivotally connected to the rear bracket 2, one end of the lower link 75 is pivotally connected to a lower portion of the main stay 71 and the other end is pivotally connected to the rear bracket 2, and one end of the middle link 75 is pivotally connected to the sliding member 72 and the other end is pivotally connected to the lower link 74.
When the cart frame is in the unfolding state, referring to fig. 1 and 3, the upper connecting rods 73 on both sides extend along the same straight line direction, the lower connecting rods 74 on both sides extend along the same straight line direction, and the back support frame 7 can be self-locked due to the self-structure thereof, so as to be stably in the unfolding state; when the stroller frame is in the folded state, as shown in fig. 6, 8 and 9, the main lever 71 moves upward, and the upper link 73, the middle link 75 and the lower link 74 on both sides rotate and fold relative to the main lever 71. The lower part of the main supporting rod 71 is also fixedly provided with a pedal 76 for driving the main supporting rod 71 to move upwards or downwards so as to drive the rear supporting frame 7 to be opened or folded in the left-right direction.
Thus, when the stroller frame is in the unfolded state, as shown in fig. 1 and 2, the respective rods of the side brackets 100 on both sides are unfolded relatively, and the upper bracket 8 and the rear bracket 7 are unfolded in the left-right direction to be supported between the side brackets 100 on both sides. The frame of the cart in the unfolded state has good stability.
When the stroller frame needs to be folded, referring to fig. 4 and 5, after the locking mechanism is unlocked, the upper push rod 32 is pressed downwards and the lower push rod 31 is driven to turn backwards relative to the rear bracket 2, so that the front bracket 1, the rear bracket 2, the lower push rod 31, the upper push rod 32, the seat post 4 and the rear pull rod 5 in each side bracket 100 rotate relatively and gradually retract; the pedal 76 is kicked upwards to drive the main supporting rod 71 to move upwards, so that the rear supporting frame 7 is folded along the left-right direction, meanwhile, the two upper supporting rods 81 of the upper supporting frame 8 respectively rotate relative to the upper push rod 32 to be folded along the left-right direction, and the front supporting frames 1 on the two sides respectively rotate around the rotating shaft 9 relative to the front wheel frame 6 to be folded, so that the transverse distance between the side supporting frames 100 on the two sides is reduced, and the folding of the cart frame in the left-right direction is realized.
Finally, the stroller frame is folded as shown in fig. 6 to 8, and its structure is very compact. In this folded state, the distance between the rear wheel assemblies 20 on both sides becomes small, all the wheel shafts of the front wheel assemblies 10 and the rear wheel assemblies 20 extend in the left-right direction, and the two sets of front wheel assemblies 10 are located between the rear wheel assemblies 20 on both sides in the left-right direction. The folding operation of the cart frame is simple, the folded cart frame is compact in structure, small in occupied space and convenient to carry and store.
Example 2
Referring to fig. 10, the stroller of this embodiment is different from that of embodiment 1 mainly in the difference of the side brackets. In the side stand of the present embodiment, the front stand 1, the rear stand 2, and the push rod stand 3 are arranged as in embodiment 1, and the difference is mainly in the connection structure between the seat lever 4 and the rear link 5. In this embodiment, each side bracket further comprises a bottom connecting rod 11, the front part of the seat rod 4 is rotatably connected to the front bracket 1, the bottom connecting rod 11 extends in the front-back direction, the front part of the bottom connecting rod 11 is rotatably connected to the rear part of the seat rod 4, and the rear part of the bottom connecting rod 11 is rotatably connected to the rear bracket 2; the rear rod 5 is rotatably connected to the rear frame 2, the upper portion thereof is rotatably connected to the lower portion of the upper push rod, the lower portion thereof extends forward and is rotatably connected to a slide sleeve 12, and the slide sleeve 12 is slidably provided on the bottom link 11 in the longitudinal extension direction of the bottom link 11. The structure of the side bracket can also realize the longitudinal folding of the side bracket, the folding principle is similar to that of the embodiment 1, and the details are not repeated here.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a children's shallow, including the shallow frame that has expansion state and fold condition, locate at the bottom of the shallow frame anterior front wheel subassembly, locate the rear wheel subassembly at the bottom of the shallow frame rear portion, and be used for with the locking mechanical system of shallow frame locking under expansion state, the shallow frame is including dividing two collateral branch framves of locating the left and right sides and connecting in both sides the stull subassembly between the collateral branch frame, its characterized in that: the side brackets on each side comprise a front bracket, a rear bracket and a push rod bracket which respectively extend along the up-down direction, two of the three parts of the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod bracket are connected by a pivot, the third part is connected with one of the two parts by a pivot, or the three parts are connected together in a rotating way around the same rotating center line,
the cross brace subassembly is including connecting both sides preceding wheel carrier between the fore-stock lower part, setting are in both sides just can follow the back strut that left right direction folded up between the after-poppet to and set up in both sides just can follow the last strut that left right direction folded up between the push rod frame, the front wheel subassembly is located the bottom of preceding wheel carrier, every side the lower part of after-poppet all is provided with back wheel subassembly, both sides the lower part of fore-stock respectively connects through a pivot rotation ground on the preceding wheel carrier, works as when the shallow frame is in fold condition, both sides the fore-stock rotates in opposite directions and draws in, back strut with the last strut folds up along left right direction respectively, both sides the side bearer draws in along left right direction.
2. The stroller of claim 1, wherein: the upper support frame comprises two upper support rods and a support rod seat which is rotatably connected between the two upper support rods, one ends of the two upper support rods are respectively rotatably connected to the support rod seat, the other ends of the two upper support rods are respectively rotatably connected to the push rod frames on the two sides, and when the stroller frame is in an unfolded state, the upper support rods on the two sides and the support rod seat extend along the horizontal direction.
3. The stroller of claim 1, wherein: the rear support frame comprises a main support rod extending along the vertical direction, a sliding part arranged on the main support rod in a vertically sliding manner, and two groups of upper connecting rods, a middle connecting rod and a lower connecting rod which are respectively arranged at the left side and the right side of the main support rod, wherein one end of each upper connecting rod is rotatably connected to the upper part of the main support rod, the other end of each upper connecting rod is rotatably connected to the rear support, one end of each lower connecting rod is rotatably connected to the lower part of the main support rod, the other end of each lower connecting rod is rotatably connected to the rear support, one end of each middle connecting rod is rotatably connected to the sliding part, the other end of each middle connecting rod is rotatably connected to the corresponding lower connecting rod, when the stroller frame is in an unfolded state, the upper connecting rods at the two sides extend along the same linear direction, and the lower connecting rods; when the cart frame is in a folded state, the main support rod moves upwards, and the upper connecting rod, the middle connecting rod and the lower connecting rod on the two sides respectively rotate and fold relative to the main support rod.
4. The stroller of claim 1, wherein: the front wheel frame extends along the left-right direction, the lower end parts of the front brackets at two sides are respectively and rotatably connected to the two end parts of the front wheel frame through the rotating shaft, and the axial lead of the rotating shaft is vertical to the length extending direction of the front wheel frame.
5. The stroller of claim 4, wherein: the front wheel frame is provided with an accommodating groove with an upward opening, and the lower end part of the front bracket penetrates through the accommodating groove and is rotationally connected with the front wheel frame.
6. The stroller of claim 1, wherein: when the cart frame is in a folded state, the distance between the rear wheel assemblies on the two sides is reduced, all the front wheel assemblies and the wheel shafts of the rear wheel assemblies extend along the left-right direction, and the front wheel assemblies are located on the two sides between the rear wheel assemblies.
7. Child stroller according to any of claims 1 to 6, characterized in that: in the collateral branch frame of every side, the push rod frame is including the push down rod and the last push rod that can fold up relatively, the upper portion of fore-stock, the lower part of push down rod respectively with the upper portion of after-poppet is connected with rotatoryly, the upper portion of push down rod is connected rotatoryly on the last push rod, the collateral branch frame still includes seat pole and back pull rod, the front portion of seat pole is connected rotatoryly on the fore-stock, the back pull rod is connected rotatoryly on the after-poppet, the upper portion of back pull rod with the lower part of last push rod is connected rotatoryly, the lower part of back pull rod is connected rotatoryly on the seat pole, the upper bracket is located both sides between the last push rod.
8. Child stroller according to any of claims 1 to 6, characterized in that: in the side bracket on each side, the push rod bracket comprises a lower push rod and an upper push rod which can be relatively folded, the upper part of the front bracket and the lower part of the lower push rod are respectively and rotatably connected with the upper part of the rear bracket, the upper part of the lower push rod is rotatably connected with the upper push rod,
the side support further comprises a seat rod, a bottom connecting rod and a rear pull rod, the front portion of the seat rod is rotatably connected to the front support, the bottom connecting rod is rotatably connected between the rear portion of the seat rod and the rear support, the rear pull rod is rotatably connected to the rear support, the upper portion of the rear pull rod is rotatably connected with the lower portion of the upper push rod, the lower portion of the rear pull rod can rotate relatively and can be slidably arranged on the bottom connecting rod along the length extending direction of the bottom connecting rod, and the upper support frame is arranged between the upper push rods on two sides.
9. The utility model provides a children's shallow, including the shallow frame that has expansion state and fold condition, locate at the bottom of the shallow frame anterior front wheel subassembly, locate the rear wheel subassembly at the bottom of the shallow frame rear portion, and be used for with the locking mechanical system of shallow frame locking under expansion state, the shallow frame is including dividing two collateral branch framves of locating the left and right sides and connecting in both sides the stull subassembly between the collateral branch frame, its characterized in that:
the side brackets on each side respectively comprise a front bracket, a rear bracket and a push rod bracket which respectively extend along the up-down direction, the push rod bracket comprises a lower push rod and an upper push rod which can be relatively folded, two of the three components of the upper part of the front bracket, the upper part of the rear bracket and the lower part of the lower push rod are connected through a pivot, the third component is connected with one of the two components through a pivot, or the three components are connected together in a rotating way around the same rotating central line, the upper part of the lower push rod is connected with the upper push rod in a rotating way,
the side support also comprises a seat rod and a rear pull rod, the front part of the seat rod is rotationally connected to the front support, the rear pull rod is rotationally connected to the rear support, the upper part of the rear pull rod is rotationally connected with the lower part of the upper push rod, the lower part of the rear pull rod is rotationally connected to the seat rod,
the cross brace subassembly is including connecting both sides preceding wheel carrier between the fore-stock lower part, setting are in both sides just can follow the back strut that left right direction folded up between the after-poppet to and set up in both sides the last strut that left right direction folded up just can be followed between the push up rod, the front wheel subassembly is located the bottom of preceding wheel carrier, every side the lower part of after-poppet all is provided with the back wheel subassembly, both sides the lower part of fore-stock respectively connects through a pivot rotation ground on the preceding wheel carrier, works as when the shallow frame is in fold condition, both sides the fore-stock rotates in opposite directions and draws in, the back strut with the last strut folds up along left right direction respectively, both sides the side bearer draws in along left right direction.
10. The stroller of claim 9, wherein: the upper support frame comprises two upper support rods and a support rod seat which is rotatably connected between the two upper support rods, one ends of the two upper support rods are respectively and rotatably connected to the support rod seat, and the other ends of the two upper support rods are respectively and rotatably connected to the push rod frames on the two sides;
the rear support frame comprises a main support rod extending along the vertical direction, a sliding part arranged on the main support rod in a vertically sliding manner, and two groups of upper connecting rods, a middle connecting rod and a lower connecting rod which are respectively arranged at the left side and the right side of the main support rod, wherein one end of each upper connecting rod is rotatably connected to the upper part of the main support rod, the other end of each upper connecting rod is rotatably connected to the rear support, one end of each lower connecting rod is rotatably connected to the lower part of the main support rod, the other end of each lower connecting rod is rotatably connected to the rear support, one end of each middle connecting rod is rotatably connected to the sliding part, and the other end of each middle connecting rod is rotatably connected to the lower connecting rod,
when the cart frame is in an unfolded state, the upper support rods and the support rod seats on the two sides extend along the horizontal direction, the upper connecting rods on the two sides extend along the same linear direction, and the lower connecting rods on the two sides extend along the same linear direction; when the stroller frame is in a folded state, the strut seats move upwards to enable the two upper struts to rotate relatively and fold, and the main strut moves upwards to enable the upper connecting rod, the middle connecting rod and the lower connecting rod on the two sides to rotate relatively and fold relative to the main strut respectively.
CN202021216684.6U 2020-06-28 2020-06-28 Children's barrow Active CN212828627U (en)

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