CN216636593U

CN216636593U - Children's barrow

Info

Publication number: CN216636593U
Application number: CN202120964935.7U
Authority: CN
Inventors: 王俊马; 吉跃
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-05-31
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a children cart which comprises a frame, a front wheel assembly, a rear wheel assembly and a locking device, wherein the frame comprises a front support, a rear support, a push rod frame, a lower support, a front support frame and a rear support frame, the upper part of the front support, the upper part of the rear support and the lower part of the push rod frame are rotatably connected around the same rotating axis, the lower support frame extends along the up-down direction, the upper part of the lower support frame is rotatably connected with the lower part of the push rod frame, the frame also comprises a seat frame and a connecting frame, the seat frame is rotatably connected on the front support frame around a first rotating axis, the upper part of the connecting frame can be relatively rotatably connected on the seat frame and can relatively slide along the length extending direction of the seat frame, and the lower part of the connecting frame is rotatably connected on one of the lower support frame, the front support frame and the rear support frame. The trolley can be folded with the seat device, and has a simple structure and small occupied space after being folded.

Description

Children's barrow

Technical Field

The utility model relates to a baby stroller.

Background

The stroller in the prior art is designed to be foldable in order to reduce the storage space, so that the seat device can be folded together with the frame on the premise of providing stable support for the child, and the space occupied by the folded stroller can be further reduced.

Disclosure of Invention

The utility model aims to provide a baby stroller which can be folded with a seat device and occupies small space after being folded.

In order to achieve the purpose, the utility model adopts the technical scheme that: a children's barrow, the children's barrow includes the frame that has expansion state and fold condition, locates the front wheel subassembly and the rear wheel subassembly of frame bottom, and will the frame locking at locking device under the expansion state, the frame includes fore-stock, after-poppet, push-rod frame, lower carriage, front strut frame and back strut frame, the front wheel subassembly sets up the part at the bottom of the fore-stock, the rear wheel subassembly sets up in the after-poppet bottom, the upper portion of fore-stock, the upper portion of after-poppet and the lower part of push-rod frame are connected around same axis of rotation ground each other, the lower strut frame extends along the upper and lower direction, the upper portion of lower strut frame is connected with the lower part of push-rod frame rotatoryly, the preceding tip of fore-stock with the lower part of fore-stock rotates to be connected, the back strut rear end portion with the lower part of after-poppet rotates to be connected, two of the three parts of the rear part of the front bracket, the lower part of the lower bracket and the front part of the rear bracket are rotationally connected, the third part is rotationally connected with at least one of the two parts,

the frame further comprises a seat frame and a connecting frame, the seat frame is rotatably connected to the front support around a first rotating axis, the upper portion of the connecting frame can be relatively rotatably arranged on the seat frame and can also be relatively slidably arranged along the length extending direction of the seat frame, and the lower portion of the connecting frame is rotatably connected to one of the lower support frame, the front support frame and the rear support frame.

Preferably, the seat frame is provided with a seat vertical surface and a back side surface which are respectively arranged on two sides with different thickness directions, and when the frame is in an unfolded state, the seat vertical surface faces upwards; when the frame is in a folded state, the sitting surface faces forward.

Further, when the frame is in the unfolded state, the connecting frame is entirely positioned below the back side surface; when the frame is in a folded state, the seat frame is entirely positioned behind the back side surface.

Further, when the frame is in a folded state, the front support, the rear support and the push rod frame are sequentially folded along the front-rear direction, the front support frame, the lower support frame and the rear support frame are folded between the front support frame and the rear support frame, and the seat frame is folded at the front side of the front support frame.

In a preferred embodiment, the upper portion of the front bracket, the upper portion of the rear bracket, and the lower portion of the push rod frame are rotatably connected around a second rotation axis, and the frame is in the unfolded state, the first rotation axis is located forward of the second rotation axis, and the first rotation axis is located below the second rotation axis in the longitudinal extension direction of the front bracket.

Further preferably, the upper part of the lower bracket is rotatably connected to the lower part of the push rod frame around a third rotation axis, and the third rotation axis is parallel to the second rotation axis.

Still further preferably, when the frame is in the unfolded state, the second rotating axis is located above the third rotating axis, and the lower support frame is supported below the push rod frame; when the frame is in a folded state, the second rotating shaft axis is located below the third rotating shaft axis.

Still further preferably, the rear part of the front support frame, the lower part of the lower support frame and the front part of the rear support frame are rotatably connected around the same rotation axis, and the lower part of the connecting frame is rotatably connected to the lower support frame.

Further, the rear part of the front support frame is rotationally connected with the lower part of the lower support frame, and the front part of the rear support frame is rotationally connected to the front support frame or the lower support frame; or the like, or, alternatively,

the rear part of the front support frame is rotationally connected with the front part of the rear support frame, and the lower part of the lower support frame is rotationally connected to the front support frame or rotationally connected to the rear support frame; or the like, or, alternatively,

the lower part of the lower support frame is rotationally connected with the front part of the rear support frame, and the rear part of the front support frame is rotationally connected to the lower support frame or rotationally connected to the rear support frame; or the like, or, alternatively,

the front part of the rear supporting frame, the rear part of the front supporting frame and the lower part of the lower supporting frame are rotationally connected around the same rotating axis.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the trolley can be folded with the seat device, and has a simple structure and small occupied space after being folded.

Drawings

Fig. 1 is a schematic structural view (embodiment one) of the stroller of the present invention when the frame is in the unfolded state;

fig. 2 is a schematic structural view (embodiment one) of the stroller of the present invention when the frame is converted from the unfolded state to the folded state;

FIG. 3 is a schematic structural view of the stroller of the present invention with the frame in a folded position (embodiment one);

fig. 4 is a schematic structural view of the stroller of the present invention in a deployed state (embodiment two);

fig. 5 is a schematic structural view (embodiment two) of the stroller of the present invention when the frame is converted from the unfolded state to the folded state;

fig. 6 is a schematic structural view of the stroller of the present invention when the frame is folded (embodiment two);

fig. 7 is a schematic structural view of the stroller of the present invention in a deployed state (embodiment three);

fig. 8 is a schematic structural view (embodiment three) of the stroller of the present invention when the frame is converted from the unfolded state to the folded state;

fig. 9 is a schematic structural view of the stroller of the present invention when the frame is folded (embodiment three);

wherein: 100. A frame; 200. a front wheel assembly; 300. a rear wheel assembly;

1. a front bracket; 2. a rear bracket; 3. a push rod frame; 3a, a lower push rod frame; 3b, lifting the push rod frame; 4. a lower support frame; 5. a front bracket; 6. a rear support frame; 7. a seat frame; 8. a connecting frame; 9. a slider;

a. a first rotational axis; b. a second rotational axis; c. a third rotational axis; d. a fourth axis of rotation.

Detailed Description

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

The descriptions of the up-down, left-right, front-back, inner-outer, etc. directions in this document are defined according to the up-down, left-right, front-back, inner-outer, etc. directions observed by the child seated on the stroller when the stroller is in normal use.

Example one

Referring to fig. 1, a stroller includes a frame 100 having an unfolded state and a folded state, a front wheel assembly 200 and a rear wheel assembly 300 provided at the bottom of the frame 100, and a locking device for locking the frame 100 in the unfolded state.

Specifically, the frame 100 includes a front bracket 1 extending obliquely upward from front to rear in a deployed state, a rear bracket 2 extending obliquely downward from front to rear in a deployed state, and a push rod frame 3 extending obliquely upward from front to rear in a deployed state. The front wheel assembly 200 is disposed at the bottom of the front bracket 1, and the rear wheel assembly 300 is disposed at the bottom of the rear bracket 2. The push rod frame 3 comprises a lower push rod frame 3a and an upper push rod frame 3b which is rotatably connected with the upper part of the lower push rod frame 3a, when the vehicle frame 100 is in an unfolding state, the lower push rod frame 3a and the upper push rod frame 3b are oppositely unfolded and extend upwards in an inclined way from front to back along the same length direction, and when the vehicle frame 100 is in a folding state, the upper push rod frame 3b and the lower push rod frame 3a are oppositely folded together. In this embodiment, the upper portion of the front frame 1, the upper portion of the rear frame 2, and the lower portion of the lower push rod frame 3a are rotatably connected to each other.

The vehicle frame 100 includes a lower stay 4, the lower stay 4 extends in the up-down direction, and an upper portion of the lower stay 4 is rotatably connected to a lower portion of the lower push rod frame 3 a.

The frame 100 further comprises a front bracket 5 and a rear bracket 6, wherein the front bracket 5 is rotatably connected between the lower part of the front bracket 1 and the lower part of the lower bracket 4, and the rear bracket 6 is rotatably connected between the lower part of the rear bracket 2 and the lower part of the lower bracket 4.

The frame 100 further comprises a seat frame 7 and a connecting frame 8, wherein the seat frame 7 is rotatably connected to the front support 1 around a first rotating axis a, the upper part of the connecting frame 8 can be relatively rotatably connected to the seat frame 7 and can also be relatively slidably connected to the seat frame 7 along the length extending direction of the seat frame 7, and the lower part of the connecting frame 8 is rotatably connected to one of the lower support frame 4, the front support frame 5 and the rear support frame 6. In the embodiment, the upper portion of the connecting frame 8 is rotatably provided with the sliding member 9, and the sliding member 9 is relatively slidably provided on the seat frame 7 along the length extending direction of the seat frame 7. When the vehicle frame 100 is in the deployed state, the slider 9 is located rearward of the first rotation axis a in the longitudinal extending direction of the seat frame 7. In this embodiment, the lower portion of the connecting frame 8 is rotatably connected to the lower bracket 4.

The seat frame 7 is provided with a sitting surface and a back side surface which are respectively arranged on two sides with different thickness directions, the upper part of the connecting frame 8 can be connected to the back side surface of the seat frame 7 in a relatively rotating way and a relatively sliding way along the length extending direction of the seat frame 7 through the sliding piece 9, when the frame 100 is in an unfolding state, the seat frame 7 obliquely extends downwards from front to back, the sitting surface is upward, and the connecting frame 8 is completely positioned below the back side surface, so that a child can sit on the seat frame 7 stably and the risk of injury of the connecting frame 8 to the child is reduced; when the frame 100 is in a folded state, the seat frame 7 and the front support 1 are relatively folded, the seat frame 7 obliquely extends forwards from top to bottom, the seat vertical surface faces forwards, the connecting frame 8 is completely positioned behind the back side surface, and the arrangement enables the width of the frame 100 in the front-back direction to be reduced and the occupied storage space to be reduced in the folded state.

In the present embodiment, the upper portion of the front holder 1, the upper portion of the rear holder 2, and the lower portion of the lower push rod holder 3a are rotatably connected together about a second rotation axis b, the upper portion of the lower holder 4 is rotatably connected to the lower portion of the push rod holder 3 about a third rotation axis c, and the third rotation axis c and the second rotation axis b are parallel to each other. When the frame 100 is in the unfolded state, the first rotation axis a is located in front of the second rotation axis b, and the first rotation axis a is located below the second rotation axis b in the length extending direction of the front bracket 1. The second rotating axis b is positioned above the third rotating axis c, and the lower support frame 4 is supported below the push rod frame 3; when the frame 100 is in the folded state, the second rotation axis b is located below the third rotation axis c.

In this embodiment, the front part of the front support frame 5 is rotatably connected to the front bracket 1, the rear part of the rear support frame 6 is rotatably connected to the rear bracket 2, and the rear part of the front support frame 5, the lower part of the lower support frame 4, and the front part of the rear support frame 6 are rotatably connected together around the fourth rotation axis d.

When the vehicle body frame 100 is in the unfolded state, as shown in fig. 1, the front bracket 1 and the rear bracket 2 are unfolded in the front-rear direction, the upper push rod frame 3b is unfolded opposite to the lower push rod frame 3a and extends obliquely upward from front to rear substantially in the same direction, the front stay 5, the rear stay 6 and the lower stay 4 are supported on the lower portions of the front bracket 1, the rear bracket 2 and the push rod frame 3, and the seat frame 7 extends obliquely downward from front to rear.

When the vehicle frame 100 is folded, as shown in fig. 2, after the locking mechanism is unlocked, the upper push rod frame 3b is pushed downwards, the upper push rod frame 3b and the lower push rod frame 3a gradually move closer relatively, the lower push rod frame 3a is turned backwards by continuously pressing downwards, and the lower push rod frame 3a and the rear support 2 gradually move closer relatively; synchronously, the lower part of the lower push rod frame 3a pulls a front support frame 5 and a rear support frame 6 upwards through a lower support frame 4, the front support frame 5 further drives the front support frame 1 to gradually rotate backwards, the rear support frame 6 further drives the rear support frame 2 to gradually rotate forwards, and the front support frame 1 and the rear support frame 2 are gradually and relatively folded; the backward rotation of the front support 1 drives the seat frame 7 to gradually turn forward, and along with the upward movement of the lower support frame 4, the connecting frame 8 also drives the seat frame 7 to gradually turn forward, the seat plate 7 is gradually converted from the sitting surface to the sitting surface from the upward sitting surface, the front support frame 5, the lower support frame 4 and the rear support frame 6 are gradually folded between the front support 1 and the rear support 2, and the seat frame 7 is gradually folded at the front side of the front support 1.

When the frame 100 is in the folded state, as shown in fig. 3, the upper push rod frame 3b and the lower push rod frame 3a are folded together. The front support 1, the rear support 2 and the push rod frame 3 are sequentially folded in the front-rear direction, the front support frame 5, the lower support frame 4 and the rear support frame 6 are folded between the front support frame 1 and the rear support frame 2, the seat frame 7 is folded in the front side of the front support frame 1, the seat frame 7 slants forwards from top to bottom, the seat face faces forwards, the front wheel assembly 200 and the rear wheel assembly 300 are mutually drawn close and supported at the bottom of the frame 100, and therefore the folded stroller can stand on the ground.

In summary, the seat frame 7 of the stroller of the present invention can be folded together with the frame 100, and the stroller has a simple structure, wherein the components on the frame 100 are tightly folded together after folding, so that the stroller has a compact structure, is simple and convenient to fold, and has a light operation burden for users.

Example two

Referring to fig. 4, the present embodiment is based on the first embodiment, and the lower part of the connecting frame 8 is rotatably connected to the back bracket 6.

When the frame 100 is folded, as shown in fig. 5, after the locking mechanism is unlocked, the upper push rod frame 3b is pushed downwards, the upper push rod frame 3b and the lower push rod frame 3a gradually move towards each other, the lower push rod frame 3a is turned backwards by continuously pressing downwards, and the lower push rod frame 3a and the rear frame 2 gradually move towards each other; synchronously, the lower part of the lower push rod support 3a pulls the front support frame 5 and the rear support frame 6 upwards through the lower support frame 4, the front support frame 5 further drives the front support 1 to gradually rotate backwards, the rear support frame 6 further drives the rear support 2 to gradually rotate forwards, and the front support 1 and the rear support 2 are gradually and relatively folded; the seat frame 7 is driven to gradually turn forwards by the backward rotation of the front support 1, the rear support frame 6 further drives the seat frame 7 to gradually turn forwards through the connecting frame 8, the seat plate 7 is gradually converted forwards from the sitting surface to the sitting surface upwards, the front support frame 5, the lower support frame 4 and the rear support frame 6 are gradually folded between the front support 1 and the rear support 2, and the seat frame 7 is gradually folded at the front side of the front support 1.

When the frame 100 is in the folded state, as shown in fig. 6, the upper push rod frame 3b and the lower push rod frame 3a are folded together. The front support 1, the rear support 2 and the push rod frame 3 are sequentially folded in the front-rear direction, the front support frame 5, the lower support frame 4 and the rear support frame 6 are folded between the front support frame 1 and the rear support frame 2, the seat frame 7 is folded in the front side of the front support frame 1, the seat frame 7 slants forwards from top to bottom, the seat face faces forwards, the front wheel assembly 200 and the rear wheel assembly 300 are mutually drawn close and supported at the bottom of the frame 100, and therefore the folded stroller can stand on the ground.

EXAMPLE III

Referring to fig. 7, the present embodiment is based on the first embodiment, and the lower part of the connecting frame 8 is rotatably connected to the front bracket 5.

When the vehicle frame 100 is folded, as shown in fig. 8, after the locking mechanism is unlocked, the upper push rod frame 3b is pushed downwards, the upper push rod frame 3b and the lower push rod frame 3a gradually move closer relatively, the lower push rod frame 3a is turned backwards by continuously pressing downwards, and the lower push rod frame 3a and the rear support 2 gradually move closer relatively; synchronously, the lower part of the lower push rod support 3a pulls the front support frame 5 and the rear support frame 6 upwards through the lower support frame 4, the front support frame 5 further drives the front support 1 to gradually rotate backwards, the rear support frame 6 further drives the rear support 2 to gradually rotate forwards, and the front support 1 and the rear support 2 are gradually and relatively folded; the seat frame 7 is driven to turn forwards gradually by the backward rotation of the front support 1, the seat frame 7 is further driven to turn forwards gradually by the front support frame 5 through the connecting frame 8, the seat plate 7 is gradually converted from the sitting surface to the sitting surface upwards, the front support frame 5, the lower support frame 4 and the rear support frame 6 are gradually folded between the front support 1 and the rear support 2, and the seat frame 7 is gradually folded at the front side of the front support 1.

When the frame 100 is in the folded state, as shown in fig. 9, the upper push rod frame 3b and the lower push rod frame 3a are folded together. The front support 1, the rear support 2 and the push rod frame 3 are sequentially folded in the front-rear direction, the front support frame 5, the lower support frame 4 and the rear support frame 6 are folded between the front support frame 1 and the rear support frame 2, the seat frame 7 is folded in the front side of the front support frame 1, the seat frame 7 slants forwards from top to bottom, the seat face faces forwards, the front wheel assembly 200 and the rear wheel assembly 300 are mutually drawn close and supported at the bottom of the frame 100, and therefore the folded stroller can stand on the ground.

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, children's shallow is including the frame that has expansion state and fold condition, locate the front wheel subassembly and the rear wheel subassembly of frame bottom, and will the frame locking is in locking device under the expansion state, its characterized in that: the frame comprises a front support, a rear support, a push rod frame, a lower support, a front support frame and a rear support frame, wherein the front wheel assembly is arranged at the bottom part of the front support, the rear wheel assembly is arranged at the bottom part of the rear support, the upper part of the front support, the upper part of the rear support and the lower part of the push rod frame are mutually and rotatably connected around the same rotating axis, the lower support frame extends along the vertical direction, the upper part of the lower support frame is rotatably connected with the lower part of the push rod frame, the front end part of the front support frame is rotatably connected with the lower part of the front support frame, the rear end part of the rear support frame is rotatably connected with the lower part of the rear support frame, two of the three parts of the rear part of the front support frame, the lower part of the lower support frame and the front part of the rear support frame are rotatably connected, and the third part is rotatably connected with at least one of the two parts,

2. The stroller of claim 1, wherein: the upper part of the connecting frame is rotatably connected with a sliding part, the sliding part is slidably arranged on the seat frame, and the sliding part is positioned behind the first rotating axis on the seat frame.

3. The stroller of claim 1, wherein: the seat frame is provided with a seat vertical surface and a back side surface which are respectively arranged at two sides with different thickness directions, and when the frame is in an unfolded state, the seat vertical surface faces upwards; when the frame is in a folded state, the sitting surface faces forward.

4. The stroller of claim 3, wherein: when the frame is in the unfolded state, the connecting frame is completely positioned below the back side surface; when the frame is in a folded state, the seat frame is entirely positioned behind the back side surface.

5. The stroller of claim 3, wherein: when the frame is in a folded state, the front support, the rear support and the push rod frame are sequentially folded along the front-rear direction, the front support, the lower support and the rear support are folded between the front support and the rear support, and the seat frame is folded at the front side of the front support.

6. Child stroller according to any of claims 1 to 5, characterized in that: the upper portion of fore-stock, the upper portion of after-poppet and the lower part of push rod frame is connected around second rotating shaft axis ground with rotating, the frame is in under the expansion state, first rotating shaft axis is located the place ahead of second rotating shaft axis, just first rotating shaft axis is in the length extending direction of fore-stock is located the below of second rotating shaft axis.

7. The stroller of claim 6, wherein: the upper part of the lower support frame is rotationally connected to the lower part of the push rod frame around a third rotation axis, and the third rotation axis is parallel to the second rotation axis.

8. The stroller of claim 7, wherein: when the frame is in an unfolded state, the second rotating axis is positioned above the third rotating axis, and the lower support frame is supported below the push rod frame; when the frame is in a folded state, the second rotating shaft axis is located below the third rotating shaft axis.

9. The stroller of claim 7, wherein: the rear part of the front supporting frame, the lower part of the lower supporting frame and the front part of the rear supporting frame are rotationally connected around the same rotating axis, and the lower part of the connecting frame is rotationally connected to the lower supporting frame.

10. The stroller of claim 1, wherein:

the rear part of the front support frame is rotationally connected with the lower part of the lower support frame, and the front part of the rear support frame is rotationally connected on the front support frame or rotationally connected on the lower support frame; or the like, or, alternatively,

the front part of the rear supporting frame, the rear part of the front supporting frame and the lower part of the lower supporting frame are rotationally connected around the same rotating shaft axis.