CN112407013A

CN112407013A - Children's barrow

Info

Publication number: CN112407013A
Application number: CN202011189573.5A
Authority: CN
Inventors: 尤志刚
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-02-26
Anticipated expiration: 2040-10-30
Also published as: CN112407013B

Abstract

The invention discloses a children's stroller, which comprises a stroller frame having an unfolded state and a folded state. The stroller has a small folded volume, can stand on the ground after being folded, and is easy to carry and store. In the unfolded state, the side brackets on each side include: a front support rod; a rear support rod, including a rear upper support rod and a rear lower support rod that are relatively slidably telescopically connected in the up-down direction; a push rod; The rear part is rotatably connected to the push rod; the connecting rod extends in the front-rear direction, and the front part is rotatably connected to the front support rod; the rear support rod extends in the up-down direction, and the lower part is rotatably connected to the rear lower support rod; linkage; One end of the rod is rotatably connected to the lower part of the rear upper support rod, and the other end is rotatably connected to the rear support rod; wherein, the front support rod, the rear upper support rod and the side armrest are connected together around the first rotation center line, and push the The rod, the connecting rod and the rear support rod are connected together around the second rotation center line, and the first rotation center line and the second rotation center line are parallel to each other.

Description

Children's barrow

Technical Field

The invention relates to a baby stroller.

Background

In the prior art, the foldable stroller has different structures and different folding principles, and most of the foldable stroller has the problems of large folding volume and inconvenient carrying and storage.

Disclosure of Invention

The invention aims to provide a baby stroller which is small in folding volume and convenient to carry and store.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a children's shallow, including the shallow frame that has expansion state and fold condition, locate the front wheel subassembly and the rear wheel subassembly of shallow frame bottom, and be used for with the locking mechanical system of shallow frame locking under the expansion state, the shallow frame is including dividing two sets of collateral branch framves of locating the left and right sides, under the expansion state, every side the collateral branch frame all includes:

the front wheel assembly is arranged at the bottom of the front supporting rod;

the rear support rod comprises a rear upper support rod and a rear lower support rod which are in telescopic connection in a sliding manner along the vertical direction, and the rear wheel assembly is arranged at the bottom of the rear lower support rod;

a push rod;

a side rail extending in a front-rear direction, a rear portion of the side rail being rotatably connected to the push rod;

a connecting rod extending in a front-rear direction, a front portion of the connecting rod being rotatably connected to the front stay;

the rear supporting rod extends along the vertical direction, and the lower part of the rear supporting rod is rotatably connected to the rear lower supporting rod;

one end of the linkage rod is rotationally connected to the lower part of the rear upper supporting rod, and the other end of the linkage rod is rotationally connected to the rear supporting rod;

the upper parts of the front supporting rods, the rear upper supporting rods and the front parts of the side armrests are connected together in a rotating mode around a first rotating center line, the lower parts of the push rods, the rear parts of the connecting rods and the upper parts of the rear supporting rods are connected together in a rotating mode around a second rotating center line, and the first rotating center line and the second rotating center line are parallel to each other.

Preferably, the front portion of the connecting rod is rotatably connected to the front rod through a first shaft, the rear portion of the side armrest is rotatably connected to the push rod through a second shaft, and the stroller frame is in the unfolded state, the axis of the first shaft is located below the first rotation center line, and the axis of the second shaft is located above the second rotation center line.

Preferably, the first rotation center line is vertically higher than the second rotation center line in the unfolded state of the cart frame.

Preferably, the side frame of each side further includes a seat bar extending in the front-rear direction, a front portion of the seat bar is rotatably connected to an upper portion of the front support bar or an upper portion of the rear upper support bar or a front portion of the side rail, and a rear portion of the seat bar is connected to the connecting bar so as to be relatively rotatable and relatively slidable along a length direction of the connecting bar.

Preferably, the front part of the seat post is rotatably connected with the upper parts of the front support rod, the rear upper support rod and the front part of the side armrest around the first rotation center line, the rear part of the seat post is rotatably connected with a first sliding part, and the first sliding part is relatively slidably arranged on the connecting rod along the length direction of the connecting rod.

Preferably, in the left-right direction of the stroller frame, the side handrails, the front support rod, the seat rod and the rear upper support rod are sequentially arranged from outside to inside and are rotatably connected together through the same rotating shaft.

Preferably, the stroller frame further comprises a front armrest arranged between the side brackets on two sides, the front armrest comprises two armrest rod portions respectively arranged on the left side and the right side and connected with the side brackets on the corresponding sides, the armrest rod portions extend in the front-back direction, the rear end portions of the armrest rod portions are rotatably connected to the connecting rods, second sliding members are rotatably arranged on the side armrests, and the second sliding members can be relatively slidably arranged on the armrest rod portions along the length extension direction of the armrest rod portions.

Preferably, the lower part of the rear upper support rod is slidably inserted into the rod cavity of the rear lower support rod, a guide groove extending in the vertical direction is formed in the rear lower support rod, a connecting pin penetrates through the guide groove in a sliding fit manner, and one end part of the linkage rod is rotatably connected with the lower part of the rear upper support rod through the connecting pin.

Preferably, the cart frame further comprises a push handle arranged between the upper parts of the push rods on the two sides, the push handle is provided with push handle rods respectively arranged on the left side and the right side, and the lower parts of the push handle rods are rotatably connected with the upper parts of the push rods on the same side.

Preferably, when the stroller frame is in a folded state, the front support rod, the side rail, the push rod and the connecting rod of each side of the side support are folded, the front wheel assembly and the rear wheel assembly are folded, and the two sets of rear wheel assemblies are located between the two sets of front wheel assemblies in the left-right direction.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the baby stroller has a simple structure and a small folding volume, and the stroller frame can stand on the ground after being folded, so that the stroller is convenient to carry and store.

Drawings

FIG. 1 is a schematic perspective view of a stroller frame in an expanded state according to an embodiment of the stroller of the present invention;

FIG. 2 is an exploded view of the frame of the stroller of this embodiment;

FIG. 3 is a side view of the stroller frame of the present embodiment in an unfolded position;

fig. 4 is a front view of the stroller frame of the present embodiment in a deployed state;

fig. 5 is a schematic perspective view of the stroller frame of the present embodiment during folding;

fig. 6 is a side view of the stroller frame of the present embodiment during folding;

fig. 7 is a perspective view of the stroller frame of the present embodiment in a folded state;

FIG. 8 is a side view of the stroller frame of this embodiment in a folded position;

fig. 9 is a front view of the stroller frame of the present embodiment in a folded state;

wherein: 1. a cart frame; 11. a side bracket; 111. a front support rod; 112. a rear support rod; 1121. a rear upper support rod; 1122. a rear lower support rod; 1123. a rod cavity; 1124. a guide groove; 113. a push rod; 114. a side arm rest; 115. a connecting rod; 116. a rear stay bar; 117. a linkage rod; 118. a seat post; 121. a front armrest; 1211. a handrail rod part; 122. a front cross bar; 123. a rear cross bar; 124. a push handle; 1241. a handle pushing rod; 1101. a first slider; 1102. a second slider; 2. a front wheel assembly; 21. a front wheel; 22. a front wheel axle; 3. a rear wheel assembly; 31. a rear wheel; 32. a rear axle.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the specific embodiments.

The description of the up-down, left-right, front-back, inner-outer, etc. directions as used herein is made with reference to the up-down, left-right, front-back, inner-outer, etc. directions as viewed by a child when the child is normally seated in the stroller

Referring to fig. 1, a stroller is shown, which comprises a stroller frame 1 having an unfolded state and a folded state, a front wheel assembly 2 and a rear wheel assembly 3 disposed at the bottom of the stroller frame 1, and a locking mechanism for locking the stroller frame 1 in the unfolded state. The stroller frame 1 comprises two groups of side supports 11 respectively arranged on the left side and the right side and a transverse support arranged between the two groups of side supports 11, the front wheel assembly 2 comprises a front wheel shaft 22 and a front wheel 21 rotatably connected with the stroller frame 1 through the front wheel shaft 22, the rear wheel assembly 3 comprises a rear wheel shaft 32 and a rear wheel 31 rotatably connected with the stroller frame 1 through the rear wheel shaft 32, and the axial lines of the front wheel shaft 22 and the rear wheel shaft 32 are parallel to each other and extend along the left-right direction.

As shown in fig. 1 to 4, in the unfolded state, each side bracket 11 includes a front support rod 111, a rear support rod 112, a push rod 113, a side armrest 114, a connecting rod 115, a rear support rod 116, a linkage rod 117, and a seat rod 118. Wherein, the front wheel axle 22 is rotatably arranged at the bottom of the front support rod 111; the rear support rod 112 comprises a rear upper support rod 1121 and a rear lower support rod 1122 which are connected in a relatively sliding and telescopic manner along the up-down direction, and the rear wheel axle 32 is rotatably arranged at the bottom of the rear lower support rod 1122; the side arm rests 114 extend in the front-rear direction, and the rear portions thereof are rotatably connected to the push rods 113 via second shafts d; the connecting rod 115 extends in the front-rear direction, and its front portion is rotatably connected to the front stay 111 by a first shaft c; the rear stay 116 extends in the vertical direction, and the lower portion thereof is rotatably connected to the rear lower stay 1122 via a rotation shaft i; one end of the linkage rod 117 is rotatably connected to the lower portion of the rear upper support rod 1121 through a rotation shaft h, and the other end of the linkage rod 117 is rotatably connected to the rear support rod 116 through a rotation shaft g, specifically, the linkage rod 117 is connected to the rear upper support rod 1121 and then extends backward and downward, and the rear portion of the linkage rod 117 is bent backward and upward and is connected to the rear support rod 116; the seat post 118 extends in the front-rear direction and is inclined downward from the front to the rear, the front and rear ends of the seat post 118 have a small height difference so that a child can sit on the seat post, the front portion of the seat post 118 is rotatably connected to the upper portion of the front support rod 111, the upper portion of the rear upper support rod 1121, or the front portion of the side rail 114, and the rear portion of the seat post 118 is connected to the connection rod 115 so as to be capable of rotating relative to each other and sliding relative to each other along the length direction of the connection rod 115.

Specifically, the lower portion of the rear upper supporting rod 1121 is slidably inserted into the rod cavity 1123 of the rear lower supporting rod 1122, a guide groove 1124 extending in the up-down direction is formed in the rear lower supporting rod 1122, a connecting pin (not shown in the figure) is slidably inserted into the guide groove 1124, and the upper end portion of the linkage rod 117 is rotatably connected to the lower portion of the rear upper supporting rod 1121 through a rotating shaft h.

Specifically, a first slider 1101 is rotatably connected to a rear portion of the seat bar 118 via a rotation shaft j, and the first slider 1101 is provided on the connecting bar 115 so as to be relatively slidable in a longitudinal direction of the connecting bar 115.

As shown in fig. 1 to 4, in the present embodiment, the upper portion of the front rod 111, the upper portion of the rear upper rod 1121, the front portion of the side armrest 114, and the front portion of the seat rod 118 are rotatably connected together around the first rotation center line a, and the side armrest 114, the front rod 111, the seat rod 118, and the rear upper rod 1121 are sequentially disposed from the outside to the inside in the left-right direction of the stroller frame 1, so that the configuration can provide a large seating space for a child as much as possible, and facilitates the mutual folding of the front wheel assembly 2 and the rear wheel assembly when the stroller frame 1 is folded; the lower portion of the push rod 113, the rear portion of the connecting rod 115, and the upper portion of the rear stay 116 are rotatably connected together about a second rotation center line b. Specifically, the first rotation center line a, the second rotation center line b, the axis of the first shaft c and the axis of the second shaft d are parallel to each other, when the stroller frame 1 is in the unfolded state, the first rotation center line a is positioned in front of and above the second rotation center line b, the axis of the first shaft c is positioned in front of and below the first rotation center line a, and the axis of the second shaft d is positioned in back of and above the second rotation center line b, so that a comfortable seating space with a seat inclined backwards and downwards and a backrest inclined upwards and backwards can be provided for children; in addition, in the unfolded state of the stroller frame, the rotating shaft h is located at the front upper part of the rotating shaft g, and the rotating shaft h is located at the front upper part of the rotating shaft i, so that the linkage rod 117 is used for linking the rear upper supporting rod 1121 to slide downwards along the rear lower supporting rod 1122 to be folded in the process that the rear supporting rod 116 rotates downwards and the rear lower supporting rod 1122 is folded in.

As shown in fig. 1 to 4, the horizontal bracket includes a front armrest 121, a front cross bar 122, a rear cross bar 123, and a push handle 124. The front armrest 121 includes two armrest rod portions 1211 disposed on the left and right sides and connected to the corresponding side brackets 11, the armrest rod portions 1211 extend in the front-rear direction, rear end portions of the armrest rod portions 1211 are rotatably connected to the connecting rod 115 through a rotating shaft f, the side armrest 114 is rotatably provided with a second slider 1102 through a rotating shaft k, and the second slider 1102 is slidably provided on the armrest rod portion 1121 in the longitudinal extending direction of the armrest rod portion 1121.

In this embodiment, the first sliding member 1101 and the second sliding member 1102 are both sliding sleeves.

As shown in fig. 1 to 4, the push handle 124 has push handle rods 1241 respectively provided on the left and right sides, and the lower portion of the push handle rod 1241 is rotatably connected to the upper portion of the push rod 113 on the same side through a rotating shaft e.

As shown in fig. 1 to 4, the axes of the front crossbar 122 and the rear crossbar 123 are parallel to each other and extend in the left-right direction, wherein the axis of the front crossbar 122 coincides with the first rotation center line a, and both ends of the front crossbar 122 are rotatably connected to four of the upper portion of the front rod 111, the upper portion of the rear upper supporting rod 1121, the front portion of the side armrest 114, and the front portion of the seat post 118; the rear cross bar 123 is fixed between the lower portions of the two sets of rear lower struts 1122.

The locking mechanism of the present invention can be disposed between any rod members that are rotatably or slidably connected, and in this embodiment, the locking mechanism is disposed between the push rod 1241 and the push rod 113, and between the push rod 113 and the rear stay 116.

As shown in fig. 5 to 6, in the folding process of the stroller frame 1 of the present embodiment, the locking mechanism is firstly unlocked, the push handle 124 is pressed downward to rotate and fold with the push rod 113, and the push rod 113 is further pressed downward to move the second rotation center line b downward; in the process that the rear support rod 116 rotates around the rotation shaft i and is folded towards the rear lower support rod 1122, the linkage rod 117 drives the rear upper support rod 1121 to slide downwards along the rear lower support rod 1122, so that the length of the rear support rod 112 is shortened, and the folded height of the whole vehicle is reduced; meanwhile, the side arm rests 114, the seat post 118, the rear upper supporting rod 1121 and the front supporting rod 111 rotate and retract around the first rotation center line a, so as to drive the first sliding member 1101 to slide forward along the connecting rod 115, and the second sliding member 1102 to slide upward along the arm rest post 1121, thereby driving the front arm rests 121, the connecting rod 115 and the above-mentioned posts to rotate and retract. Therefore, the cart frame 1 is folded in a linkage manner in the up-down and front-back directions, the folding operation is simple and convenient, and the folding volume is greatly reduced.

As shown in fig. 7 to 9, when the stroller frame 1 is in the folded state, the front rod 111, the side rail 114, the push rod 113 and the connecting rod 115 of the side bracket 11 on each side are folded, the front wheel assembly 2 and the rear wheel assembly 3 are folded, the two sets of rear wheel assemblies 3 are positioned between the two sets of front wheel assemblies 2 in the left-right direction, the distance between the axial lines of the front wheel axle 22 and the rear wheel axle 32 is small, the front wheel 21 and the rear wheel 31 are partially or completely overlapped in the left-right direction, and the volume of the stroller frame 1 is reduced to be small in the front-rear direction, and the stroller frame 1 can stand on the ground and is convenient to carry and store.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to 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 within the protection scope of the present invention.

Claims

1. A child stroller, comprising a stroller frame having an unfolded state and a folded state, a front wheel assembly and a rear wheel assembly disposed at the bottom of the stroller frame, and a stroller frame for locking the stroller frame In the locking mechanism in the unfolded state, the cart frame includes two sets of side brackets arranged on the left and right sides, characterized in that: in the unfolded state, the side brackets on each side include:

a front strut, the front wheel assembly is arranged at the bottom of the front strut;

a rear support rod, the rear support rod comprises a rear upper support rod and a rear lower support rod that are relatively slidably telescopically connected along the up-down direction, and the rear wheel assembly is arranged at the bottom of the rear lower support rod;

putter;

a side armrest, the side armrest extends in the front-rear direction, and the rear part of the side armrest is rotatably connected to the push rod;

a connecting rod, the connecting rod extends in the front-rear direction, and the front part of the connecting rod is rotatably connected to the front support rod;

a rear support rod, the rear support rod extends in the up-down direction, and the lower part of the rear support rod is rotatably connected to the rear lower support rod;

a linkage rod, one end of the linkage rod is rotatably connected to the lower part of the rear upper support rod, and the other end of the linkage rod is rotatably connected to the rear support rod;

Wherein, the upper part of the front support rod, the upper part of the rear upper support rod, and the front part of the side armrest are jointly connected to rotate around the first rotation center line, and the lower part of the push rod, the rear part of the connecting rod The upper part of the rear strut and the upper part of the rear strut are rotatably connected together around a second rotation center line, and the first rotation center line and the second rotation center line are parallel to each other.

2 . The stroller according to claim 1 , wherein the front part of the connecting rod is rotatably connected to the front support rod through a first shaft, and the rear part of the side armrest is connected to the front support rod through a second shaft. 3 . The push rod is rotatably connected, and the cart frame is in the unfolded state, the axis line of the first shaft is located below the first rotation center line, and the axis line of the second shaft is located at the above the second rotational centerline.

3 . The stroller of claim 1 , wherein when the stroller frame is in a deployed state, the first rotation center line is vertically higher than the second rotation center line. 4 .

4 . The stroller of claim 1 , wherein the side brackets on each side further comprise a seat post extending in a front-rear direction, and a front portion of the seat post is rotatably connected to the front strut. 5 . The upper part of the seat post or the upper part of the rear upper support rod or the front part of the side armrest, the rear part of the seat post can be relatively rotatable and can be relatively slidably connected to the connecting rod along the length direction of the connecting rod. .

5 . The stroller according to claim 4 , wherein the front part of the seat post is about the first rotation center line and the upper part of the front support rod, the upper part of the rear upper support rod and the The front parts of the side armrests are rotatably connected together, and the rear part of the seat post is rotatably connected with a first sliding piece, and the first sliding piece is relatively slidable along the length direction of the connecting rod. on the connecting rod.

6. The stroller according to claim 5, characterized in that: along the left and right directions of the stroller frame, the side armrest, the front support rod, the seat post, the rear upper support The rods are arranged in sequence from the outside to the inside and are rotatably connected together through the same rotating shaft.

7 . The stroller according to claim 1 , wherein the stroller frame further comprises a front armrest arranged between the side brackets on both sides, and the front armrest comprises a Two sets of handrail rods connected with the side brackets on the corresponding side, the handrail rods extend in the front-rear direction, the rear end of the handrail rods are rotatably connected to the connecting rods, and the side handrails are A second sliding member is rotatably provided, and the second sliding member is relatively slidable along the lengthwise extending direction of the handrail rod portion on the handrail rod portion.

8 . The stroller according to claim 1 , wherein the lower part of the rear upper support rod is slidably inserted into the rod cavity of the rear lower support rod, and the rear lower support rod is provided with a A guide groove extending in the up-down direction, a connecting pin is slidably fitted through the guide groove, and one end of the linkage rod is rotatably connected with the lower part of the rear upper support rod through the connecting pin.

9 . The stroller according to claim 1 , wherein the stroller frame further comprises a push handle arranged between the upper parts of the push rods on both sides, and the push handle has a push handle arranged on the left and right sides respectively. 10 . The lower part of the push rod is rotatably connected with the upper part of the push rod on the same side.

10. The stroller according to any one of claims 1 to 9, characterized in that: when the stroller frame is in a folded state, the front struts, the side brackets in the side brackets on each side The handrail, the push rod and the connecting rod are folded together, the front wheel assembly and the rear wheel assembly are folded together, and the two sets of the rear wheel assemblies are located between the two sets of the front wheel assemblies along the left and right directions.