CN212828629U

CN212828629U - Children's barrow

Info

Publication number: CN212828629U
Application number: CN202021702303.5U
Authority: CN
Inventors: 高翔; 尤志刚
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-03-30
Anticipated expiration: 2030-08-14

Abstract

The utility model provides a children's shallow, including the shallow frame that has expansion state and fold condition and balanced state, the front wheel subassembly, the rear wheel subassembly, the shallow frame includes the front wheel support, the rear wheel support, push rod support, the lower part of front wheel support is located to the front wheel subassembly, the lower part of rear wheel support is located to the rear wheel subassembly, it is connected with the upper end of front wheel support to rotate through the upper end that makes rear wheel support, make the lower tip of push rod support rotate with the upper end of rear wheel support and be connected, and set up elastic component and connect front wheel support and push rod support, through make elastic component energy storage when the shallow frame is in balanced state, can be when the balanced state of shallow frame is broken, order about the shallow frame through elastic component release energy and transform to fold condition or expansion state, realize children's shallow folding or expansion, make children's shallow's structure more succinct, The high-grade sense is strong, and after folding occupation space is littleer, be convenient for accomodate, can open automatically or folding, convenient to use.

Description

Children's barrow

Technical Field

The utility model relates to a bassinet field, concretely relates to children's shallow.

Background

The child stroller plays an important role in daily life of a user for carrying an infant to go out, and is one of indispensable children products in the growth process of the child. In order to reduce the storage space, most of the stroller frames of the existing stroller can be folded, for example, chinese utility model patent CN206031448U discloses a stroller or a foldable stroller frame, which is characterized in that a gear connection mode is arranged between the front wheel bracket and the push rod, so as to realize linkage folding or linkage opening of the front wheel frame and the push rod, but the gear in the scheme is a rigid component, which cannot be deformed in the folding process and needs a larger rotation space, so that the structure of the scheme is too bulky, the high-grade feeling is not strong, the occupied space is large after folding, and the stroller is inconvenient to store, cannot realize the function of automatic folding or automatic opening, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a children's shallow that feels strong, be convenient for accomodate, convenient to use at succinct, the senior level of structure.

In order to achieve the above object, the utility model discloses a technical scheme is, a children's shallow, including having shallow frame, front wheel subassembly, the rear wheel subassembly of expansion state and fold condition, the shallow frame includes:

the front wheel bracket is arranged at the lower part of the front wheel bracket;

the rear wheel bracket is arranged at the lower part of the rear wheel bracket, and the upper end part of the rear wheel bracket is rotationally connected with the upper end part of the front wheel bracket;

the lower end part of the push rod bracket is rotatably connected with the upper end part of the rear wheel bracket;

when the cart frame is in an unfolded state, the front wheel support, the rear wheel support and the push rod support are away from each other, and when the cart frame is in a folded state, the front wheel support, the rear wheel support and the push rod support are close to each other;

the cart frame further comprises an elastic component for connecting the front wheel bracket and the push rod bracket;

the shallow frame still has the balanced state that is in expansion state and fold condition conversion in-process when the shallow frame is in balanced state, the front wheel support the rear wheel support the push rod support with elastic component is static relatively, the elastic component energy storage when balanced state is broken, elastic component release energy orders about the front wheel support the push rod support rotates to being close to the direction of rear wheel support and makes the shallow frame transform to fold condition, perhaps, elastic component release energy orders about the front wheel support the push rod support rotates to keeping away from the direction of rear wheel support makes the shallow frame transform to expansion state.

Preferably, the elastic component is an annular part with an opening, one end of the elastic component is rotatably connected with the front wheel support through a first convex column, the other end of the elastic component is rotatably connected with the push rod support through a second convex column, the front wheel support, the rear wheel support and the push rod support are rotatably connected through a rotating shaft, when the stroller frame is in an unfolded state, a connecting line between the first convex column and the rotating shaft and a connecting line between the rotating shaft and the second convex column form a first included angle, and the angle of the first included angle facing the elastic component is larger than 180 degrees; when the stroller frame is in a folded state, a connecting line between the first convex column and the rotating shaft and a connecting line between the rotating shaft and the second convex column form a second included angle, and the angle of the second included angle facing the elastic assembly is smaller than 180 degrees; when the cart frame is in a balanced state, the first convex column, the rotating shaft and the second convex column are in the same plane.

Preferably, the elastic component is an annular member with an opening, and the elastic component includes an elastic body, a first mounting seat and a second mounting seat, and the first mounting seat and the second mounting seat are respectively disposed at two ends of the elastic body and are used for connecting the elastic component with the front wheel bracket and the push rod bracket.

Further preferably, the first mounting seat is rotatably connected with the upper end of the front wheel bracket through a first convex column, the second mounting seat is rotatably connected with the lower end of the push rod bracket through a second convex column, and when the stroller frame is in a balanced state, an axial lead of the first convex column, an axial lead of the second convex column, a rotating axial lead of the front wheel bracket relative to the rear wheel bracket, and a rotating axial lead of the push rod bracket relative to the rear wheel bracket are all located on the same plane.

Preferably, a rotation axis line of the front wheel bracket rotating relative to the rear wheel bracket coincides with a rotation axis line of the push rod bracket rotating relative to the rear wheel bracket.

Preferably, the cart frame further comprises a limiting mechanism for limiting the rotation angle of the front wheel bracket and the push rod bracket when rotating relative to the rear wheel bracket.

Further preferably, the limiting mechanism comprises a limiting rod arranged at the upper end part of the rear wheel bracket, a first limiting groove arranged at the upper end part of the front wheel bracket and a second limiting groove arranged at the lower end part of the push rod bracket, and the limiting rod penetrates through the first limiting groove and the second limiting groove.

Further preferably, the first limiting groove and the second limiting groove are both arc-shaped grooves, the circle center of the first limiting groove is located on the rotation axis of the front wheel support relative to the rotation of the rear wheel support, and the circle center of the second limiting groove is located on the rotation axis of the push rod support relative to the rotation of the rear wheel support.

Further preferably, the upper end of the front wheel support is provided with a first connecting plate, the upper end of the rear wheel support is provided with a second connecting plate, the lower end of the push rod support is provided with a third connecting plate, the first limiting groove is located on the first connecting plate, the limiting rod is located on the second connecting plate, the second limiting groove is located on the third connecting plate, the second connecting plate, the first connecting plate and the third connecting plate are sequentially arranged from outside to inside, and the elastic assembly is located between the first connecting plate and the third connecting plate.

Further preferably, when the stroller frame is in a balanced state, the push rod bracket is pulled upwards, the balanced state of the stroller frame is broken, and the elastic component releases energy to drive the stroller frame to be converted into a deployed state; when the cart frame is in a balanced state, the push rod support is pushed downwards, the balanced state of the cart frame is broken, and the elastic assembly releases energy to drive the cart frame to be converted into a folded state.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

Drawings

Fig. 1 is a perspective view of the preferred embodiment of the present invention.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a left side view of fig. 1 with the stroller frame in an expanded state.

Fig. 4 is a partially enlarged schematic view of a portion a of fig. 3.

Fig. 5 is a left side view of fig. 1, with the stroller frame in a balanced condition.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

Fig. 7 is a left side view of fig. 1 with the stroller frame in a collapsed position.

Fig. 8 is a partially enlarged schematic view at C in fig. 7.

Wherein: 10. a cart frame; 20. a front wheel assembly; 30. a rear wheel assembly; 100. a front wheel bracket; 101. a first connecting plate; 1011. a first limit groove; 1012. a first convex column; 1013. a first spindle hole; 200. a rear wheel support; 201. a second connecting plate; 2011. a second spindle hole; 300, a push rod bracket; 301. a third connecting plate; 3011. a rotating shaft; 3012. a second convex column; 3013. a second limit groove; 400. an elastic component; 401. an elastomer; 402. a first mounting seat; 4021. a first mounting hole; 403. a second mounting seat; 4031. a second mounting hole; 404. an opening; 500. a limiting mechanism; 501. a first limit groove; 502. a second limit groove; 503. and a through hole.

Detailed Description

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

The utility model provides an upper and lower, left and right sides, front and back, inside and outside equidirectional definition all refers to the definition with the direction that children observed when taking on this children's shallow, and is concrete, the utility model provides an upper and lower direction is the upper and lower direction in figure 3, the utility model provides a preceding, rear direction is left and right direction in figure 3.

As shown in fig. 1 to 2, the present invention provides a stroller, including a stroller frame 10 having an unfolded state and a folded state, a front wheel assembly 20, and a rear wheel assembly 30, the stroller frame 10 including: the front wheel assembly 20 is arranged at the lower part of the front wheel bracket 100, the backward assembly 30 is arranged at the lower part of the rear wheel bracket 200, the upper end part of the rear wheel bracket 200 is rotationally connected with the upper end part of the front wheel bracket 100, the lower end part of the push rod bracket 300 is rotationally connected with the upper end part of the rear wheel bracket 200, and the elastic assembly 400 is used for connecting the front wheel bracket 100 and the push rod bracket 300; when the stroller frame 10 is in the deployed state, as shown in fig. 3-4, the front wheel bracket 100, the rear wheel bracket 200, and the push rod bracket 300 are away from each other; when the stroller frame 10 is in the folded state, as shown in fig. 7-8, the front wheel bracket 100, the rear wheel bracket 200 and the push rod bracket 300 are close to each other; the stroller frame 10 further has a balanced state, when the stroller frame 10 is in the balanced state, as shown in fig. 5-6, the front wheel bracket 100, the rear wheel bracket 200, the push rod bracket 300 and the elastic component 400 are relatively static, the elastic component 400 stores energy, at this time, the push rod bracket 300 is pulled upwards, the balanced state of the stroller frame 10 is broken, and the elastic component 400 releases energy to drive the front wheel bracket 100 and the push rod bracket 300 to rotate in a direction away from the rear wheel bracket 200, so that the stroller frame 10 is changed to the unfolded state; when the push rod support 300 is pushed downwards, the balance state of the stroller frame 10 is also broken, and the elastic component 400 releases energy to drive the front wheel support 100 and the push rod support 300 to rotate towards the direction close to the rear wheel support 200, so that the stroller frame 10 is changed to the folded state, and the automatic unfolding or automatic folding of the stroller frame 10 is realized.

To explain the connection relationship between the front wheel support 100, the push rod support 300 and the rear wheel support 200, as shown in fig. 2-8, the upper end of the front wheel support 100 is provided with a first connecting plate 101, the upper end of the rear wheel support 200 is provided with a second connecting plate 201, the lower end of the push rod support 300 is provided with a third connecting plate 301, the first connecting plate 101, the second connecting plate 201 and the third connecting plate 301 are circular flat plate-shaped members with the same size, the centers of the first connecting plate 101, the second connecting plate 201 and the third connecting plate 301 are located on the same straight line, the second connecting plate 201, the first connecting plate 101 and the third connecting plate 301 are arranged in sequence from outside to inside, the center of the first connecting plate 101 is provided with a first rotating shaft hole 1013, the center of the second connecting plate 201 is provided with a second rotating shaft 2011, the center of the third connecting plate 301 is fixedly provided with a rotating shaft 3011 protruding outwards, the first rotating shaft hole 20111013 and the second rotating shaft hole 3011 are matched, the rotation shaft 3011 passes through the first rotation shaft hole 1013 and the second rotation shaft hole 2011, so that the upper end of the front wheel bracket 100 and the lower end of the push rod bracket 300 are respectively rotatably connected with the upper end of the rear wheel bracket 200, and the rotation axis of the front wheel bracket 100 rotating relative to the rear wheel bracket 200 coincides with the rotation axis of the push rod bracket 300 rotating relative to the rear wheel bracket 200.

Referring to the following description of the specific structure and connection relationship of the elastic assembly 400, as shown in fig. 2, the elastic assembly 400 is a ring-shaped member having an opening 404, the elastic assembly 400 includes an elastic body 401, a first mounting seat 402 and a second mounting seat 403, wherein the elastic body 401 is a spring or an elastic plastic member, the first mounting seat 402 and the second mounting seat 403 are respectively disposed at two ends of the elastic body 401 for connecting the elastic assembly 400 with the front wheel bracket 100 and the push rod bracket 300, the elastic assembly 400 is located between the first connecting plate 101 and the third connecting plate 301, specifically, the first mounting seat 402 is provided with a first mounting hole 4021 penetrating through the first mounting seat 402 in the left-right direction, the second mounting seat 403 is provided with a second mounting hole 4031 penetrating through the second mounting seat 403 in the left-right direction, the first connecting plate 101 is provided with a first protrusion 1012 protruding inward, the third connecting plate 301 is provided with a second protrusion 3012 protruding outward, the first boss 1012 is rotatably inserted into the first mounting hole 4021, and the second boss 3012 is rotatably inserted into the second mounting hole 4031, so that both end portions of the elastic assembly 400 are rotatably connected to the upper end portion of the front wheel bracket 100 and the lower end portion of the push rod bracket 300, respectively.

In order to control the rotation angle of the front wheel bracket 100 and the push rod bracket 300 when rotating relative to the rear wheel bracket 200, and further to limit the included angle between the front wheel bracket 100 and the rear wheel bracket 200 and the included angle between the push rod bracket 300 and the rear wheel bracket 200 when the stroller frame 10 is in the unfolded state and the folded state, so that the posture of the stroller frame 10 in the unfolded state and the folded state meets the design requirements, the stroller frame 10 further comprises a limiting mechanism 500 for limiting the rotation angle of the front wheel bracket 100 and the push rod bracket 300 when rotating relative to the rear wheel bracket 200, as shown in fig. 3-8, the limiting mechanism 500 comprises a limiting rod (not shown in the figure), a first limiting groove 501, a second limiting groove 502 and a through hole 503 for installing the limiting rod, wherein the first limiting groove 501 is arranged on the first connecting plate 101, the first limiting groove 501 is an arc-shaped groove, the center line of the first limiting groove 501 is located on the axis of the rotating shaft 3011, the first limiting groove 501 penetrates through the first connecting plate 101 along the left-right direction, the second limiting groove 502 is arranged on the third connecting plate 301, the second limiting groove 502 is an arc-shaped groove, the circle center of the second limiting groove 502 is positioned on the axis of the rotating shaft 3011, the second limiting groove 502 penetrates through the third connecting plate 301 along the left-right direction, the through hole 503 is arranged on the second connecting plate 201, the through hole 503 is positioned on one side of the second rotating shaft hole 2011, in this embodiment, the connecting line between the circle center of the through hole 503 and the circle center of the second rotating shaft hole 2011 is parallel to the extending direction of the rear wheel bracket 200, the limiting rod penetrates through the through hole 503, the limiting rod further penetrates through the first limiting groove 501 and the second limiting groove 502, when the front wheel bracket 200 and the push rod bracket 300 rotate relative to the rear wheel bracket 200, the first limiting groove 501 and the second limiting groove 502 rotate relative to the limiting rod, and when the outer circumferential surface of the limiting rod contacts and abuts against the side walls at the end portions of the first limiting groove 501 and the second limiting groove 502, the front wheel bracket 200 and the push rod bracket 300 cannot rotate relative to the rear wheel bracket 200, so that the rotation angle of the front wheel bracket 100 and the push rod bracket 300 when rotating relative to the rear wheel bracket 200 is limited, whether the limiting rod can rotate relative to the through hole 503 and cannot influence the limitation of the rotation angle, and in order to prevent the limiting rod from falling off from the through hole 503, in this embodiment, the limiting rod is embedded in the through hole 503, and the limiting rod and the through hole 503 are relatively fixed.

When the stroller frame 10 is in the unfolded state, as shown in fig. 3-4, the rotating shaft 3011 is located inside the elastic component 400, a connecting line between the first protruding column 1012 and the rotating shaft 3011 and a connecting line between the rotating shaft 3011 and the second protruding column 3012 form a first included angle, the included angle is greater than 180 ° towards the elastic component 400, and the elastic component 400 normally extends.

When the stroller frame 10 is folded, as shown in fig. 7-8, the rotating shaft 3011 is located outside the elastic component 400, a connection line between the first protruding pillar 1012 and the rotating shaft 3011 and a connection line between the rotating shaft 3011 and the second protruding pillar 3012 form a second included angle, the included angle is smaller than 180 ° towards the elastic component 400, and the elastic component 400 normally extends.

When the stroller frame 10 is in a balanced state, as shown in fig. 5-6, the front wheel bracket 100, the rear wheel bracket 200, the push rod bracket 300 and the elastic assembly 400 are kept relatively stationary, the opening of the elastic assembly 400 is opened, the elastic assembly 400 stores energy, and the axis of the rotating shaft 3011, the axis of the first protruding pillar 1012 and the axis of the second mounting hole 4031 are located on the same plane.

The process of changing the stroller frame 10 from the unfolded state to the folded state will be described below.

When the stroller frame 10 is changed from the unfolded state to the folded state, as shown in fig. 3-8, the rear end of the push rod support 300 is pressed downward, so that the stroller frame 10 is changed from the unfolded state to the balanced state, the elastic component 400 stores energy, the rear end of the push rod support 300 is pressed downward continuously, the balanced state of the stroller frame 10 is destroyed, the elastic component 400 releases the stored energy to drive the front wheel support 100 and the push rod support 300 to rotate in the direction close to the rear wheel support 200 until the stroller frame 10 is changed to the folded state, and the automatic folding of the stroller frame 10 is completed; similarly, when the stroller frame 10 is changed from the folded state to the unfolded state, the rear end of the push rod support 300 is lifted upwards to change the stroller frame 10 from the folded state to the balanced state, the elastic component 400 stores energy, the rear end of the push rod support 300 is continuously lifted to destroy the balanced state of the stroller frame 10, the elastic component 400 releases the stored energy to drive the front wheel support 100 and the push rod support 300 to rotate in the direction away from the rear wheel support 200 until the stroller frame 10 is changed to the unfolded state, and the automatic unfolding of the stroller frame 10 is completed.

It can be imagined that, in order to strengthen the utility model provides a stability of children's shallow when using still is provided with on the children's shallow and is used for locking shallow frame 10 at expansion state locking mechanical system, of course, for the convenience children take, can set up the seat pocket etc. that are used for children to take on shallow frame 10 and take the mechanism, and these both can adopt prior art to realize, no longer describe herein.

The above embodiments are only for illustrating the technical concept 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 to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A stroller comprising a stroller frame having an expanded state and a collapsed state, a front wheel assembly, a rear wheel assembly, the stroller frame comprising:

the method is characterized in that:

2. The stroller of claim 1, wherein: the elastic assembly is an annular part with an opening, one end of the elastic assembly is rotatably connected with the front wheel support through a first convex column, the other end of the elastic assembly is rotatably connected with the push rod support through a second convex column, the front wheel support, the rear wheel support and the push rod support are rotatably connected through a rotating shaft, when the stroller frame is in an unfolded state, a connecting line between the first convex column and the rotating shaft and a connecting line between the rotating shaft and the second convex column form a first included angle, and the angle of the first included angle facing the elastic assembly is larger than 180 degrees; when the stroller frame is in a folded state, a connecting line between the first convex column and the rotating shaft and a connecting line between the rotating shaft and the second convex column form a second included angle, and the angle of the second included angle facing the elastic assembly is smaller than 180 degrees; when the cart frame is in a balanced state, the first convex column, the rotating shaft and the second convex column are in the same plane.

3. The stroller of claim 1, wherein: the elastic component is an annular part with an opening, and comprises an elastic body, a first mounting seat and a second mounting seat, wherein the first mounting seat and the second mounting seat are respectively arranged at two ends of the elastic body and are used for connecting the elastic component with the front wheel support and the push rod support.

4. The stroller of claim 3, wherein: the first mounting seat is connected with the upper end of the front wheel support through a first convex column in a rotating mode, the second mounting seat is connected with the lower end of the push rod support through a second convex column in a rotating mode, and when the trolley frame is in a balanced state, the axis of the first convex column, the axis of the second convex column, the rotating axis of the front wheel support relative to the rear wheel support, and the rotating axis of the push rod support relative to the rear wheel support are located on the same plane.

5. The stroller of claim 1, wherein: the rotating axis of the front wheel bracket relative to the rear wheel bracket coincides with the rotating axis of the push rod bracket relative to the rear wheel bracket.

6. The stroller of claim 1, wherein: the cart frame further comprises a limiting mechanism used for limiting the rotation angle of the front wheel support and the push rod support relative to the rear wheel support when the push rod support rotates.

7. The stroller of claim 6, wherein: the limiting mechanism comprises a limiting rod arranged at the upper end part of the rear wheel support, a first limiting groove arranged at the upper end part of the front wheel support and a second limiting groove arranged at the lower end part of the push rod support, and the limiting rod penetrates through the first limiting groove and the second limiting groove.

8. The stroller of claim 7, wherein: the first limiting groove and the second limiting groove are arc-shaped grooves, the circle center of the first limiting groove is located on the rotating axis of the front wheel support relative to the rear wheel support, and the circle center of the second limiting groove is located on the rotating axis of the push rod support relative to the rear wheel support.

9. The stroller of claim 7, wherein: the upper end of front wheel support is provided with first connecting plate, the upper end of rear wheel support is provided with the second connecting plate, the lower tip of push rod support is provided with the third connecting plate, first spacing groove is located on the first connecting plate, the gag lever post is located on the second connecting plate, the second spacing groove is located on the third connecting plate, the second connecting plate first connecting plate third connecting plate outside-in arranges in proper order, elastic component is located first connecting plate with between the third connecting plate.

10. Child stroller according to any of claims 1-9, characterized in that: when the cart frame is in a balanced state, the push rod bracket is pulled upwards, the balanced state of the cart frame is broken, and the elastic component releases energy to drive the cart frame to be converted into an unfolded state; when the cart frame is in a balanced state, the push rod support is pushed downwards, the balanced state of the cart frame is broken, and the elastic assembly releases energy to drive the cart frame to be converted into a folded state.