CN216636593U - Children's barrow - Google Patents

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

stroller

technical field

The utility model relates to a children's stroller.

Background technique

In order to reduce the storage space, the strollers in the prior art are designed to be foldable. On the premise of providing stable support for the child, the seat device can be folded together with the frame, and the folded stroller can be further reduced. Space has always been the effort of those skilled in the art.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a stroller that can be folded with a seat device and occupies a small space after being folded.

In order to achieve the above purpose, the technical solution adopted by the present invention is: a stroller for children, the stroller includes a frame with an unfolded state and a folded state, a front wheel assembly and a rear wheel arranged at the bottom of the frame. an assembly, and a locking device for locking the frame in the deployed state, the frame comprising a front bracket, a rear bracket, a push rod bracket, a lower bracket, a front bracket and a rear bracket, the front wheel The assembly is arranged at the bottom part of the front bracket, the rear wheel assembly is arranged at the bottom of the rear bracket, the upper part of the front bracket, the upper part of the rear bracket and the lower part of the push rod frame are around the same rotation axis They are rotatably connected to each other, the lower bracket extends in the up-down direction, the upper part of the lower bracket is rotatably connected with the lower part of the push rod bracket, and the front end of the front bracket rotates with the lower part of the front bracket connection, the rear end of the rear bracket is rotatably connected to the lower part of the rear bracket, the rear part of the front bracket, the lower part of the lower bracket, and the front part of the rear bracket are among the three parts Two of the parts are rotatably connected, and the third part is rotatably connected with at least one of the aforementioned two parts,

The vehicle frame further includes a seat frame and a connecting frame, the seat frame is rotatably connected to the front bracket around the first rotation axis, and the upper part of the connecting frame can be relatively rotatable and can be rotated along the seat The length extension direction of the frame is relatively slidable on the seat frame, and the lower part 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 has a sitting surface and a back side respectively disposed on two sides of different thickness directions of the seat frame. When the frame is in an unfolded state, the sitting surface faces upward; when the frame is in a folded state In the state, the sitting face faces forward.

Further, when the vehicle frame is in an unfolded state, all the connecting frames are located below the back side surface; when the vehicle frame is in a folded state, all the seat frames are located behind the back side surface.

Further, when the frame is in a folded state, the front bracket, the rear bracket and the push rod bracket are sequentially folded in the front and rear directions, and the front bracket, the lower bracket and the rear bracket are A frame is tucked between the front bracket and the rear bracket, and the seat frame is tucked at the front side of the front bracket.

As a preferred embodiment, the upper part of the front bracket, the upper part of the rear bracket, and the lower part of the push rod frame are rotatably connected around the second rotation axis, and the vehicle frame is in the unfolded state, The first rotation axis is located in front of the second rotation axis, and the first rotation axis is located below the second rotation axis in the length 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 and the second rotation axis are parallel to each other.

Further preferably, when the vehicle frame is in the unfolded state, the second rotation axis is located above the third rotation axis, and the lower bracket is supported below the push rod bracket; When the frame is in a folded state, the second rotation axis is located below the third rotation axis.

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 on the lower bracket.

Further, the rear part of the front bracket is rotatably connected to the lower part of the lower bracket, and the front part of the rear bracket is rotatably connected to the front bracket or to the lower bracket; or,

The rear part of the front bracket is rotatably connected with the front part of the rear bracket, and the lower part of the lower bracket is rotatably connected to the front bracket or is rotatably connected to the rear bracket; or,

The lower part of the lower bracket is rotatably connected with the front part of the rear bracket, and the rear part of the front bracket is rotatably connected to the lower bracket or is rotatably connected to the rear bracket; or,

The front part of the rear support frame, the rear part of the front support frame, and the lower part of the lower support frame are rotatably connected around the same rotation axis.

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

Description of drawings

1 is a schematic structural diagram of the stroller of the present invention when the frame is in an unfolded state (Embodiment 1);

2 is a schematic structural diagram of the stroller of the present invention when the frame is converted from the unfolded state to the folded state (Embodiment 1);

3 is a schematic structural diagram of the stroller of the present invention when the frame is in a folded state (Embodiment 1);

4 is a schematic structural diagram of the stroller of the present invention when the frame is in an unfolded state (Embodiment 2);

5 is a schematic structural diagram of the stroller of the present invention when the frame is converted from the unfolded state to the folded state (Embodiment 2);

6 is a schematic structural diagram of the stroller of the present invention when the frame is in a folded state (Embodiment 2);

7 is a schematic structural diagram of the stroller of the present invention when the frame is in an unfolded state (Embodiment 3);

8 is a schematic structural diagram of the stroller of the present invention when the frame is converted from the unfolded state to the folded state (Embodiment 3);

9 is a schematic structural diagram of the stroller of the present invention when the frame is in a folded state (Embodiment 3);

Of which: 100, frame; 200, front wheel assembly; 300, rear wheel assembly;

1. Front bracket; 2. Rear bracket; 3. Push rod frame; 3a, lower push rod frame; 3b, upper push rod frame; 4, lower support frame; 5, front support frame; 6, rear support frame; 7, Seat frame; 8. Connecting frame; 9. Slider;

a, the first rotation axis; b, the second rotation axis; c, the third rotation axis; d, the fourth rotation axis.

Detailed ways

The technical solutions of the present utility model will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

The descriptions of the up and down, left and right, front and rear, and inside and outside orientations in this article are all defined according to the up and down, left and right, front and rear, inside and outside orientations observed by children riding on the stroller when the stroller is in normal use. of.

Example 1

Referring to FIG. 1 , a child stroller includes a frame 100 having an unfolded state and a folded state, a front wheel assembly 200 and a rear wheel assembly 300 disposed at the bottom of the frame 100 , and the frame 100 is locked Locking device in deployed state.

Specifically, the vehicle 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 front bracket 2 extending obliquely upward from front to rear in a deployed state The push rod holder 3. The front wheel assembly 200 is arranged at the bottom of the front bracket 1 , and the rear wheel assembly 300 is arranged at the bottom of the rear bracket 2 . The push rod frame 3 includes a lower push rod frame 3a and an upper push rod frame 3b rotatably connected to the upper part of the lower push rod frame 3a. When the vehicle frame 100 is in a deployed state, the lower push rod frame 3a and the upper push rod frame 3b are relatively expanded and approximately The upper push rod frame 3b and the lower push rod frame 3a are relatively folded together when the vehicle frame 100 is in a folded state, extending upwards obliquely from front to back along the same length direction. In this embodiment, the upper part of the front bracket 1 , the upper part of the rear bracket 2 and the lower part of the lower push rod frame 3 a are rotatably connected to each other.

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

The vehicle frame 100 further includes a front bracket 5 and a rear bracket 6, 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 to the lower part of the rear bracket 2. between the lower part and the lower part of the lower bracket 4 .

The vehicle frame 100 also includes a seat frame 7 and a connecting frame 8. The seat frame 7 is rotatably connected to the front bracket 1 around the first rotation axis line a. The length extending direction is relatively slidably connected to the seat frame 7 , and the lower part of the connecting frame 8 is rotatably connected to one of the lower support 4 , the front support 5 and the rear support 6 . Specifically in this embodiment, the upper part of the connecting frame 8 is rotatably provided with a sliding member 9 , and the sliding member 9 is relatively slidably arranged on the seat frame 7 along the lengthwise extending direction of the seat frame 7 . When the vehicle frame 100 is in the unfolded state, the slider 9 is located behind the first rotation axis a in the longitudinal extension direction of the seat frame 7 . In this embodiment, the lower part of the connecting frame 8 is rotatably connected to the lower support frame 4 .

The seat frame 7 has a sitting surface and a back side which are respectively arranged on two sides with different thickness directions of the seat frame. On the back side of the seat frame 7, when the vehicle frame 100 is in the unfolded state, the seat frame 7 is inclined and extends downward from front to back, the sitting surface is upward, and the connecting frames 8 are all located under the back side, so that the child can be more stable. Sitting on the seat frame 7 and reducing the risk of injury to the child by the connecting frame 8; when the vehicle frame 100 is in the folded state, the seat frame 7 is folded relative to the front bracket 1, and the seat frame 7 is inclined and extended forward from top to bottom, The sitting surface faces forward, and the connecting frames 8 are all located behind the back side. The above arrangement reduces the width of the frame 100 in the front-rear direction when it is in the folded state, and reduces the storage space occupied.

In this embodiment, the upper part of the front bracket 1, the upper part of the rear bracket 2 and the lower part of the lower push rod frame 3a are connected together to rotate together around the second axis of rotation b, and the upper part of the lower bracket 4 rotates around the third The axis c is rotatably connected to the lower part of the push rod frame 3, 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 line a is located in front of the second rotation axis line b, and the first rotation axis line a is located at the second rotation axis line in the longitudinal extension direction of the front bracket 1 . below b. The second rotation axis b is located above the third rotation axis c, and the lower bracket 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 at the third rotation axis below the axis c.

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

When the vehicle 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, and the upper push rod frame 3 b and the lower push rod frame 3 a are relatively unfolded and inclined from front to rear in substantially the same direction. Extending upward, the front bracket 5 , the rear bracket 6 and the lower bracket 4 are supported on the lower part of the front bracket 1 , the rear bracket 2 and the push rod bracket 3 , and the seat bracket 7 extends downward from front to rear.

When the frame 100 is folded, as shown in FIG. 2 , after the locking mechanism is unlocked, the upper push rod frame 3b is pushed down, and the upper push rod frame 3b and the lower push rod frame 3a are gradually moved toward each other. The rod 3a is turned backward, and the lower push rod frame 3a and the rear bracket 2 are gradually approached relatively; synchronously, the lower part of the lower push rod frame 3a pulls the front support frame 5 and the rear support frame 6 upward through the lower support frame 4, and the front support frame 5. Further drive the front bracket 1 to rotate backward gradually, the rear bracket 6 further drives the rear bracket 2 to gradually rotate forward, and the front bracket 1 and the rear bracket 2 gradually close relative to each other; the backward rotation of the front bracket 1 drives the seat frame 7 to gradually move forward Turn over, and with the upward movement of the lower support frame 4, the connecting frame 8 also drives the seat frame 7 to turn forward gradually, the seat plate 7 is gradually converted from the sitting upright surface to the sitting upright face forward, and the front support frame 5, the lower The bracket 4 and the rear bracket 6 are gradually retracted between the front bracket 1 and the rear bracket 2 , and the seat frame 7 is gradually retracted on the front side of the front bracket 1 .

When the vehicle 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 bracket 1, the rear bracket 2 and the push rod bracket 3 are folded in sequence along the front and rear directions, the front bracket 5, the lower bracket 4 and the rear bracket 6 are folded between the front bracket 1 and the rear bracket 2, and the seat frame 7 is folded in front On the front side of the bracket 1, the seat frame 7 is inclined and extended forward from top to bottom, the sitting surface faces forward, the front wheel assembly 200 and the rear wheel assembly 300 are close to each other and supported on the bottom of the frame 100, so that the folded child pushes The car can stand on the ground.

To sum up, in the stroller of the present invention, the seat frame 7 can be folded together with the frame 100, and the stroller has a simple structure, the components on the frame 100 are tightly folded together after folding, the structure is compact, and the folding operation is simple. Simple and convenient, the user's operation burden is light.

Embodiment 2

Referring to FIG. 4 , in this embodiment, on the basis of the first embodiment, the lower part of the connecting frame 8 is rotatably connected to the rear support frame 6 .

When the vehicle frame 100 is folded, as shown in FIG. 5 , after the locking mechanism is unlocked, the upper push rod frame 3b is pushed down, and the upper push rod frame 3b and the lower push rod frame 3a are gradually moved toward each other. The rod 3a is turned backward, and the lower push rod frame 3a and the rear bracket 2 are gradually approached relatively; synchronously, the lower part of the lower push rod frame 3a pulls the front support frame 5 and the rear support frame 6 upward through the lower support frame 4, and the front support frame 5. Further drive the front bracket 1 to rotate backward gradually, the rear bracket 6 further drives the rear bracket 2 to gradually rotate forward, and the front bracket 1 and the rear bracket 2 gradually close relative to each other; the backward rotation of the front bracket 1 drives the seat frame 7 to gradually move forward Turn over, the rear support frame 6 further drives the seat frame 7 to gradually turn forward through the connecting frame 8, the seat plate 7 is gradually converted from the sitting upright surface to the sitting upright face forward, the front support frame 5, the lower support frame 4 and the rear support The frame 6 is gradually retracted between the front bracket 1 and the rear bracket 2 , and the seat frame 7 is gradually retracted on the front side of the front bracket 1 .

When the vehicle 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 bracket 1, the rear bracket 2 and the push rod bracket 3 are folded in sequence along the front and rear directions, the front bracket 5, the lower bracket 4 and the rear bracket 6 are folded between the front bracket 1 and the rear bracket 2, and the seat frame 7 is folded in front On the front side of the bracket 1, the seat frame 7 is inclined and extended forward from top to bottom, the sitting surface faces forward, the front wheel assembly 200 and the rear wheel assembly 300 are close to each other and supported on the bottom of the frame 100, so that the folded child pushes The car can stand on the ground.

Embodiment 3

Referring to FIG. 7 , in this embodiment, on the basis of the first embodiment, the lower part of the connecting frame 8 is rotatably connected to the front support frame 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 down, and the upper push rod frame 3b and the lower push rod frame 3a are gradually moved toward each other. The rod 3a is turned backward, and the lower push rod frame 3a and the rear bracket 2 are gradually approached relatively; synchronously, the lower part of the lower push rod frame 3a pulls the front support frame 5 and the rear support frame 6 upward through the lower support frame 4, and the front support frame 5. Further drive the front bracket 1 to rotate backward gradually, the rear bracket 6 further drives the rear bracket 2 to gradually rotate forward, and the front bracket 1 and the rear bracket 2 gradually close relative to each other; the backward rotation of the front bracket 1 drives the seat frame 7 to gradually move forward Turn over, the front support 5 further drives the seat frame 7 to turn forward gradually through the connecting frame 8, the seat plate 7 is gradually converted from the sitting upright to the sitting upright, the front support 5, the lower support 4 and the rear support The frame 6 is gradually retracted between the front bracket 1 and the rear bracket 2 , and the seat frame 7 is gradually retracted on the front side of the front bracket 1 .

When the vehicle frame 100 is in a 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 bracket 1, the rear bracket 2 and the push rod bracket 3 are folded in sequence along the front and rear directions, the front bracket 5, the lower bracket 4 and the rear bracket 6 are folded between the front bracket 1 and the rear bracket 2, and the seat frame 7 is folded in front On the front side of the bracket 1, the seat frame 7 is inclined and extended forward from top to bottom, the sitting surface faces forward, the front wheel assembly 200 and the rear wheel assembly 300 are close to each other and supported on the bottom of the frame 100, so that the folded child pushes The car can stand on the ground.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the technology to understand the content of the present invention and implement accordingly, and cannot limit the protection scope of the present invention with this. All equivalent changes or modifications made according to the spirit of the present invention shall be included within the protection scope of the present invention.

Claims (10)

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,

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.

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 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 shaft axis.

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