CN216140046U

CN216140046U - Children's barrow

Info

Publication number: CN216140046U
Application number: CN202122057527.6U
Authority: CN
Inventors: 张红涛
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-29
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a children's barrow, the stroller frame includes in the unfolding state: fore-stock, after-poppet, push rod frame, seat frame, vaulting pole, preceding connecting rod and back connecting rod, the upper portion of fore-stock with the upper portion of after-poppet is connected with rotating, the upper portion of fore-stock is connected with the slider with rotating, the slider can be followed the length extending direction relative slip of push rod frame is located on the push rod frame, preceding connecting rod connect with rotating in the lower part of push rod frame with between the fore-stock, the back connecting rod connect with rotating the after-poppet with between the preceding connecting rod, the rear portion of seat frame connect with rotating on the fore-stock, the vaulting pole is connected with rotating the front portion of seat frame with between the back connecting rod. The trolley frame has the advantages of small quantity of rod pieces, simple and attractive structure in the unfolded state, good bearing capacity, compact structure and small occupied space after folding, and the folding operation can be realized by only one step, and is convenient and quick.

Description

Children's barrow

Technical Field

The utility model relates to a baby stroller.

Background

In the prior art, the stroller has various structures, and generally includes a stroller frame having an unfolded state and a folded state, a wheel assembly disposed at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state. At present, the stroller frame of some stroller is often folded in multiple steps, which causes inconvenience in folding. In addition, some stroller are lifted by the hands of the operator after being folded, which causes heavy burden and is inconvenient for daily use.

Disclosure of Invention

It is an object of the present invention to provide a new stroller to solve one or more problems of the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that: a stroller comprising a stroller frame having an expanded state and a collapsed state, a front wheel assembly and a rear wheel assembly disposed at a bottom of the stroller frame, and a locking mechanism, the stroller frame comprising, in the expanded state: fore-stock, after-poppet, push rod frame, seat frame, vaulting pole, preceding connecting rod and back connecting rod, wherein, the fore-stock subassembly is located the bottom of fore-stock, the back wheel subassembly is located the bottom of after-poppet, the upper portion of fore-stock with the upper portion of after-poppet is connected with rotating, the upper portion of fore-stock is connected with the slider with rotating, the slider can be followed length extending direction relative slip of push rod frame is located on the push rod frame, preceding connecting rod connect with rotating in the lower part of push rod frame with between the fore-stock, the back connecting rod connect with rotating in the after-poppet with between the preceding connecting rod, the rear portion of seat frame connect with rotating on the fore-stock, the vaulting pole connect with rotating in the anterior of seat frame with between the back connecting rod, work as the shallow frame is in fold condition, the fore-stock is in fold condition, The rear support and the push rod frame are mutually folded, and the seat frame is folded at the front side of the front support.

Preferably, the upper portion of the front bracket is rotatably connected with the upper portion of the rear bracket about a first rotation center line, the rear portion of the seat frame is rotatably connected with the front bracket about a second rotation center line, and the first rotation center line and the second rotation center line extend parallel or collinear with each other.

Further, the sliding member is rotatably connected to an upper portion of the front bracket about a third rotation center line, the first rotation center line and the third rotation center line are parallel to each other and the third rotation center line is located above the first rotation center line and the second rotation center line, or the first rotation center line and the third rotation center line extend in a collinear manner.

Preferably, the front portion of the front connecting rod is rotatably connected to the front bracket around a first axis, the rear portion of the front connecting rod is rotatably connected to the lower portion of the push rod frame around a second axis, the front portion of the rear connecting rod is rotatably connected to the front connecting rod around a third axis, the rear portion of the rear connecting rod is rotatably connected to the rear bracket around a fourth axis, and the lower portion of the stay rod is rotatably connected to the rear connecting rod around a fifth axis, wherein axial lines of the first axis, the second axis, the third axis, the fourth axis, and the fifth axis are parallel to each other, the third axis is located between the first axis and the second axis in a length extending direction of the front connecting rod, and the fifth axis is located between the third axis and the fourth axis in a length extending direction of the rear connecting rod.

Furthermore, the front support comprises two front support rods which are arranged in parallel and extend upwards in an inclined manner from front to back, the rear support comprises two rear support rods which are respectively arranged on the left side and the right side and extend upwards in an inclined manner along the up-down direction, the number of the rear connecting rods is two, and the front connecting rods are arranged between the two front support rods and the two rear connecting rods along the left-right direction;

two the front portion of back connecting rod is through same the third axle is connected jointly the preceding connecting rod, two the rear portion of back connecting rod is separately through one the fourth axle is connected with rotating the side of correspondence on the back branch, the vaulting pole has two and is located two along the left and right direction between the back connecting rod, and two the lower part of vaulting pole is separately through one the fifth axle is connected with rotating the side of correspondence on the back connecting rod.

Preferably, the rear bracket has two rear struts which are respectively arranged at the left side and the right side, the rear struts extend outwards in the left-right direction from top to bottom, the upper parts of the rear struts are rotationally connected with the upper part of the front bracket around the same rotation central line, and the push rod frame is positioned between the rear struts in the left-right direction.

Preferably, the front support comprises a front support rod extending along the up-down direction and a front wheel seat fixedly arranged at the lower part of the front support rod, the front wheel seat extends along the left-right direction, two groups of front wheel assemblies are arranged, and the two groups of front wheel assemblies are respectively arranged at the bottoms of the left end part and the right end part of the front wheel seat; and/or the presence of a gas in the gas,

the front wheel subassembly has and locates two sets of the fore-stock bottom, and is two sets of the front wheel subassembly is universal wheel subassembly, the rear wheel subassembly has to divide and locates two sets of the rear carriage bottom left and right sides, works as under shallow frame is in fold condition, and is two sets of the front wheel subassembly is drawn in two sets of along left right direction between the rear wheel subassembly, the front wheel subassembly and/or the rear wheel subassembly can with push rod frame's bottom supports in ground jointly.

Preferably, the seat frame is provided with a bearing surface positioned at the upper part, and the bearing surface is inclined downwards and extends from front to back when the stroller frame is in an unfolded state; and/or, the children's shallow still includes detachably installs on the seat frame and folding seat device, works as the shallow frame is in under fold condition, folding back the seat device is located the front side of seat frame.

Preferably, the push rod frame is including pushing down the pole and the last push rod that can fold up along length direction, the slider is located with sliding on the pushing down the pole, locking mechanical system including locate the slider with between the pushing down the pole and be used for with the frame locking piece of shallow frame locking under fold condition, and locate the last push rod with be used for between the pushing down the pole with push rod locking piece of both relative lockings, the frame locking piece with mutually independent unblock setting between the push rod locking piece.

Further, the push up rod with the push down lever can be followed length direction and set up telescopically along the relative slip, works as the shallow frame is in under fold condition, the push up rod has relatively the folded state that the push down lever shortens and relatively the open mode that the push down lever extends, the push down rod frame still including set firmly in the push handle at push up rod top, push away the handle and be located all the time the top of slider.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the stroller frame of the stroller disclosed by the utility model is few in rod pieces, the structure is simple and attractive in an unfolded state, the stroller frame has good carrying capacity, the folded structure is compact, the occupied space is small, the folding operation is realized only by one step, the stroller frame is convenient and quick, and convenience is brought to daily use of a user.

Drawings

Fig. 1 is a schematic perspective view of a stroller frame of the stroller of the present invention in an unfolded state;

FIG. 2 is a schematic perspective view of a stroller frame of the stroller of the present invention during folding;

FIG. 3 is a side view of the stroller frame of the stroller of the present invention in a folded position;

FIG. 4 is a schematic perspective view of the stroller frame of the stroller of the present invention in a folded state, and the stroller is in a towing state;

FIG. 5 is a side view of the stroller of the present invention in its deployed configuration;

FIG. 6 is a schematic perspective view of the stroller of the present invention in its deployed position;

FIG. 7 is a side view of the stroller of the present invention in a collapsed configuration;

wherein: 1. a front bracket; 11. a front support rod; 12. a front wheel seat; 2. a rear bracket; 21. a rear support rod; 22. a rear cross bar; 3. a push rod frame; 31. a lower push rod; 32. a push rod is arranged; 33. a push handle; 4. a seat frame; 4a, a bearing surface; 5. a front link; 6. a rear connecting rod; 7. a stay bar; 8. a slider (sliding sleeve); 9. a seating device; 91. a seat; 92. a backrest; 101. a first shaft; 102. a second shaft; 103. a third axis; 104. a fourth axis; 105. and a fifth shaft.

Detailed Description

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

Referring to fig. 1 to 7, a stroller includes a stroller frame having an unfolded state and a folded state, a front wheel assembly 10 and a rear wheel assembly 20 provided at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state. Under the expansion state, the shallow frame includes: fore-stock 1, after-poppet 2, push rod frame 3, seat frame 4, preceding connecting rod 5, back connecting rod 6, vaulting pole 7, wherein:

the front bracket 1 extends upwards obliquely from front to back, and the front wheel assembly 10 is provided with two groups which are respectively arranged at the left side and the right side of the bottom of the front bracket 1; the rear frame 2 extends obliquely upward from the rear to the front, the rear wheel assembly 20 has two sets disposed on the left and right sides of the bottom of the rear frame 2, and the push rod frame 3 is disposed obliquely upward from the front to the rear. The upper portion of the front bracket 1 is rotatably connected with the upper portion of the rear bracket 2, the upper portion of the front bracket 1 is rotatably connected with a slider 8, the slider 8 is relatively slidably provided on the push rod frame 3 along the length extending direction of the push rod frame 3, the front link 5 is rotatably connected between the lower portion of the push rod frame 3 and the front bracket 1, the rear link 6 is rotatably connected between the rear bracket 2 and the push rod frame 3, the rear portion of the seat frame 4 is rotatably connected to the front bracket 1, and the stay 7 is rotatably connected between the front portion of the seat frame 4 and the rear link 6.

Specifically, the front bracket 1 includes two front support rods 11 that are parallel to each other and all extend from the forward and backward upward tilt, and a front wheel seat 12 that is fixedly disposed at the lower portion of the two front support rods 11, the two sets of front support rods 11 are disposed at intervals in the left-right direction, the front wheel seat 12 extends in the left-right direction, the two sets of front wheel assemblies 10 are universal wheel assemblies, and the two sets of front wheel assemblies 10 are respectively mounted on the left and right ends of the front wheel seat 12 and are located below the front wheel seat 12. The rear bracket 2 has two rear support rods 21 respectively arranged at the left and right sides, and a rear cross bar 22 fixedly arranged between the lower parts of the two rear support rods 21 and extending along the left and right directions, each rear support rod 21 extends obliquely outwards along the left and right directions from top to bottom, that is, the distance between the upper ends of the two rear support rods 21 is smaller than the distance between the lower ends of the two rear support rods 21, the lower part of each rear support rod 21 is respectively connected with a rear wheel assembly 20, and the distance between the two rear wheel assemblies 20 is larger than the distance between the two front wheel assemblies 10. The two front supporting rods 11 are positioned between the two rear supporting rods 21 along the left-right direction, and the upper parts of the two rear supporting rods 21 are rotatably connected with the upper parts of the two front supporting rods 11 together around the first rotation center line A.

The rear part of the seat frame 4 is connected with the front frame 1 in a rotating way around a second rotating central line B, the second rotating central line B and the first rotating central line A extend in parallel or collinearly, and the collinearly extension is adopted, namely, the rear part of the seat frame 4, the two front supporting rods 11 and the two rear supporting rods 21 are connected together in a rotating way around the first rotating central line A/the second rotating central line B.

The slide 8 is connected rotatably in the upper part of the front carriage 1 about a third centre line of rotation C which extends parallel or co-linear to the first centre line of rotation a, where the third centre line of rotation C is parallel to the first centre line of rotation a and is located above the first centre line of rotation a in the direction of the length extension of the front carriage 1.

The push rod frame 3 is located between the two rear support rods 21 along the left-right direction, the push rod frame 3 includes a lower push rod 31 and an upper push rod 32 which both extend along the up-down direction and can be folded relatively along the length direction, and a push handle 33 which is fixedly arranged at the top end portion of the upper push rod 32 and extends along the left-right direction, wherein the upper push rod 32 can be telescopically arranged in a sliding manner relative to the lower push rod 31, the sliding member 8 is a sliding sleeve which is slidably sleeved on the lower push rod 31, the upper push rod 32 can be completely folded in the lower push rod 31, and the push handle 33 is always located above the sliding member 8.

The front part of the front connecting rod 5 is positioned between the two front supporting rods 11 and is rotationally connected with the two front supporting rods 11 through a first shaft 101, and the rear part of the front connecting rod 5 is rotationally connected with the lower part of the lower push rod 31 through a second shaft 102; the rear connecting rods 6 are respectively arranged at the left side and the right side of the front connecting rod 5, the two rear connecting rods 6 are positioned between the two rear supporting rods 21 along the left-right direction, the front parts of the two rear connecting rods 6 are connected to the front connecting rod 5 together in a rotating way around a third shaft 103, and the rear parts of the two rear connecting rods 6 are respectively connected to the inner side parts of the rear supporting rods 21 at the corresponding sides in a rotating way through a fourth shaft 104; the upper parts of the two support rods 7 are rotatably connected with the front part of the seat frame 4, and the lower parts of the two support rods 7 are respectively and rotatably connected with the rear connecting rod 6 through a fifth shaft 105. Wherein, when the stroller frame is in the unfolded state, the third shaft 103 is located between the first shaft 101 and the second shaft 102 along the length extending direction of the front connecting rod 5, and the fifth shaft 105 is located between the third shaft 103 and the fourth shaft 104 along the length extending direction of the rear connecting rod 6.

The seat frame 4 is provided with a bearing surface 4a positioned at the upper part, and when the stroller frame is in an unfolded state, the bearing surface 4a is an inclined surface which is inclined downwards and extends from front to back, so that the sitting angle of a child sitting on the seat frame is slightly inclined backwards, the seat frame is more comfortable to sit and is not easy to slide forwards.

The locking mechanism of the stroller comprises a frame locking member (not shown) arranged between the sliding member 8 and the lower push rod 31 for locking the stroller frame in the folded state, and a push rod locking member (not shown) arranged between the upper push rod 32 and the lower push rod 31 for locking the two, wherein the frame locking member and the push rod locking member are independently unlocked. The frame locking member may also be used to lock the stroller frame in the deployed condition. The frame locking part and the push rod locking part can adopt a locking pin and locking hole matching structure in the prior art or other structures, and the specific structure is not the focus of the application.

When the stroller frame is in an unfolded state, as shown in fig. 1, the front support 1, the rear support 2 and the push rod frame 3 are mutually opened, the front connecting rod 5 and the rear connecting rod 6 both extend along the front-rear direction, and the support rod 7 is supported between the seat frame 4 and the rear connecting rod 6.

When the stroller frame needs to be folded, as shown in fig. 2, after the locking mechanism is unlocked, the push rod frame 3 is pressed downward to drive the rear portion of the front connecting rod 5 to move downward, the front support 1 and the rear support 2 are folded in the front-rear direction in a linkage manner, the seat frame 4 rotates towards the front support 1 to be folded in, the push rod frame 3 contracts along the length direction of the push rod frame, finally, the front support 1, the rear support 2 and the push rod frame 3 are folded in the front-rear direction, the seat frame 4 is folded in the front side of the front support 1, and the front wheel assembly 10 can be supported on the ground and forms a self-standing stroller frame after being folded together with the bottom of the push rod frame 3. The fully folded stroller frame is shown in fig. 3 with the two sets of rear wheel assemblies 20 stowed outboard of the two front wheel assemblies 10.

On the basis that the folding state of the cart frame is kept, the upper push rod 32 is pulled upwards to extend relative to the lower push rod 31, and then the whole cart frame is rotated, so that the front wheel assembly 10 can be supported on the ground to drag the cart, and the cart is more convenient and labor-saving when being carried under the folding state. Of course, in other embodiments, the rear wheel assembly 20 may be used to tow after folding and while landing on the ground by virtue of the rear wheel assembly 20.

Referring to fig. 5 to 7, the stroller further comprises a seat unit 9 detachably mounted on the seat frame 4, the seat unit 9 is foldable and has at least a seat 91 and a backrest 92, wherein the seat 91 is detachably coupled with the seat frame 4, and the user can mount the stroller on the seat frame 4 in a forward or reverse direction as required so that the stroller has a forward or backward facing pushing mode. When the seat device 9 is not used, the seat device 9 is folded at one side of the seat frame 4 and is folded together with the folded stroller frame. The folding of the seat means 9 does not constitute any interference with the folding of the stroller frame itself.

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. The utility model provides a children's shallow, includes the shallow frame that has expansion state and fold condition, locates the front wheel subassembly and the rear wheel subassembly of shallow frame bottom to and locking mechanical system, its characterized in that: in the deployed state, the stroller frame comprises: the device comprises a front bracket, a rear bracket, a push rod bracket, a seat bracket, a stay bar, a front connecting rod and a rear connecting rod, wherein the front wheel assembly is arranged at the bottom of the front bracket, the rear wheel assembly is arranged at the bottom of the rear bracket,

the upper part of the front bracket is rotationally connected with the upper part of the rear bracket, the upper part of the front bracket is rotationally connected with a sliding part, the sliding part can be arranged on the push rod frame in a way of relatively sliding along the length extending direction of the push rod frame, the front connecting rod is rotationally connected between the lower part of the push rod frame and the front bracket, the rear connecting rod is rotationally connected between the rear bracket and the front connecting rod, the rear part of the seat frame is rotationally connected on the front bracket, and the stay bar is rotationally connected between the front part of the seat frame and the rear connecting rod,

when the cart frame is in a folded state, the front support, the rear support and the push rod frame are mutually folded, and the seat frame is folded at the front side of the front support.

2. The stroller of claim 1, wherein: the upper part of the front bracket is rotationally connected with the upper part of the rear bracket around a first rotation center line, the rear part of the seat frame is rotationally connected with the front bracket around a second rotation center line, and the first rotation center line and the second rotation center line are parallel or extend in a collinear way.

3. The stroller of claim 2, wherein: the sliding part is rotatably connected to the upper part of the front bracket around a third rotation center line, the first rotation center line and the third rotation center line are parallel to each other, and the third rotation center line is positioned above the first rotation center line and the second rotation center line, or the first rotation center line and the third rotation center line extend in a collinear manner.

4. The stroller of claim 1, wherein: the front portion of the front connecting rod is rotationally connected to the front support around a first shaft, the rear portion of the front connecting rod is rotationally connected to the lower portion of the push rod frame around a second shaft, the front portion of the rear connecting rod is rotationally connected to the front connecting rod around a third shaft, the rear portion of the rear connecting rod is rotationally connected to the rear support around a fourth shaft, the lower portion of the supporting rod is rotationally connected to the rear connecting rod around a fifth shaft, axial leads of the first shaft, the second shaft, the third shaft, the fourth shaft and the fifth shaft are parallel to each other, the third shaft is located in the length extension direction of the front connecting rod between the first shaft and the second shaft, and the fifth shaft is located in the length extension direction of the rear connecting rod between the third shaft and the fourth shaft.

5. The stroller of claim 4, wherein: the front support comprises two front support rods which are arranged in parallel and extend upwards in an inclined manner from front to back, the rear support comprises two rear support rods which are respectively arranged on the left side and the right side and extend obliquely in the up-down direction, the number of the rear connecting rods is two, and the front connecting rods are arranged between the two front support rods and the two rear connecting rods in the left-right direction;

6. The stroller of claim 1, wherein: the rear support has two back branch that the branch was located the left and right sides, back branch top-down extends with leaning out along left right direction, two back branch's upper portion around same rotation center line connect with rotating in the upper portion of fore-stock, push rod frame is located two along left right direction between the back branch.

7. The stroller of claim 1, wherein: the front support comprises a front support rod extending along the up-down direction and a front wheel seat fixedly arranged at the lower part of the front support rod, the front wheel seat extends along the left-right direction, two groups of front wheel assemblies are arranged, and the two groups of front wheel assemblies are respectively arranged at the bottoms of the left end part and the right end part of the front wheel seat; and/or the presence of a gas in the gas,

8. The stroller of claim 1, wherein: the seat frame is provided with a bearing surface positioned at the upper part, and the bearing surface is inclined downwards from front to back and extends when the cart frame is in an unfolded state; and/or, the children's shallow still includes detachably installs on the seat frame and folding seat device, works as the shallow frame is in under fold condition, folding back the seat device is located the front side of seat frame.

9. Child stroller according to any of claims 1 to 8, characterized in that: the push rod frame is including pushing down rod and the last push rod that can fold up along length direction, the slider is located with sliding on the pushing down rod, locking mechanical system is including locating the slider with between the pushing down rod and be used for with the frame locking piece of shallow frame locking under fold condition, and locate the last push rod with be used for the push rod locking piece with both relative lockings between the pushing down rod, the frame locking piece with mutually independent unblock setting between the push rod locking piece.

10. The stroller of claim 9, wherein: the push rod frame is characterized in that the upper push rod and the lower push rod can be arranged in a telescopic mode along the length direction in a relative sliding mode, when the cart frame is in a folded state, the upper push rod is opposite to the folded state in which the lower push rod is shortened and opposite to the opened state in which the lower push rod is extended, the push rod frame further comprises a push handle fixedly arranged at the top of the upper push rod, and the push handle is always located above the sliding part.