CN219056331U

CN219056331U - Baby carrier and front wheel assembly of baby carrier

Info

Publication number: CN219056331U
Application number: CN202223439017.6U
Authority: CN
Inventors: 马旭
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-23
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to a baby carrier and a front wheel assembly of the baby carrier, the baby carrier comprises a cart frame, a front wheel assembly arranged in front of the cart frame bottom and a rear wheel assembly arranged behind the cart frame bottom, the front wheel assembly comprises a front wheel frame connected with the cart frame, a front wheel and a steering piece, the front wheel is connected with the front wheel frame in a relative rotation mode, one end portion of the steering piece is connected with the front wheel frame in a relative rotation mode around a first axial lead, the other end portion of the steering piece is connected with the front wheel in a relative rotation mode around a second axial lead, the first axial lead and the second axial lead extend in the up-down direction respectively, and the first axial lead is positioned in front of or behind the second axial lead. When the baby carrier is turned, the turning piece is driven to turn left or right by the front wheel frame through the left or right acting force applied to the frame of the baby carrier, the front wheels are driven to turn left or right by the turning piece around the second axial line, and the baby carrier can be turned, so that the baby carrier is convenient to turn.

Description

Baby carrier and front wheel assembly of baby carrier

Technical Field

The utility model relates to the field of children supplies, in particular to a baby carrier and a front wheel assembly of the baby carrier.

Background

In the prior art, the child cart provides great convenience for adults to carry smaller children for outdoor activities, and the running cart is used as a three-wheeled baby carrier, and has the advantages of easiness and convenience in running and pushing.

Chinese patent CN217347917U discloses a child cart, including the shallow frame and set up the front wheel subassembly at the bottom front portion of shallow frame and set up the rear wheel subassembly at the bottom rear portion of shallow frame, the front wheel subassembly includes front fork and the front wheel of setting on the front fork, the front fork rotates with the shallow frame through the pivot to be connected, the axial lead of pivot is crossed with the road surface slope that child cart went, when child cart turned to, the front wheel rotated with the relative shallow frame of revolute axle through the front fork, realizes the deflection of front wheel. However, the structure of the existing baby carriage is various, and the deflection of the front wheels is still a pursued goal in the field of baby carriages by adopting baby carriages with different structures.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a baby carrier with different structures and convenient steering.

A second object of the present utility model is to provide a front wheel assembly for a stroller

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a bassinet, includes the shallow frame, sets up the front wheel subassembly in shallow frame bottom the place ahead and set up the rear wheel subassembly in shallow frame bottom rear, the front wheel subassembly include with the preceding wheel carrier that the shallow frame links to each other and with the front wheel that the relative rotation of preceding wheel carrier is connected, the front wheel subassembly still includes the steering part, one end of steering part with the preceding wheel carrier is connected around first axial lead relative rotation, the other end of steering part with the front wheel is connected around second axial lead relative rotation, first axial lead, second axial lead are along upper and lower direction extension respectively, first axial lead is located the place ahead or the rear of second axial lead.

According to some embodiments of the utility model, the first axis is located forward of the second axis.

According to some embodiments of the utility model, the first and second axes are parallel to each other.

According to some embodiments of the utility model, the front wheel frame comprises a front wheel frame body connected with the cart frame and a first connecting piece arranged at the front part of the front wheel frame body, the front wheel comprises a front wheel shaft extending along the left-right direction of the cart, a wheel body rotatably connected to the front wheel shaft and a second connecting piece arranged on the front wheel shaft, one end part of the steering piece is rotatably connected with the first connecting piece around the first axial line, and the other end part of the steering piece is rotatably connected with the second connecting piece around the second axial line.

Further, the steering piece and the first connecting piece are connected through a first shaft in a rotating way, the shaft axis of the first shaft is the first shaft axis, the first shaft is fixedly arranged on one of the steering piece and the first connecting piece, the other one of the steering piece and the first connecting piece is provided with a first shaft hole which can be matched with the first shaft, and the first shaft is arranged in the first shaft hole in a penetrating way and can rotate around the shaft axis of the first shaft;

the second rotating shaft is rotatably connected between the steering piece and the second connecting piece, the axial lead of the second rotating shaft is the second axial lead, the second rotating shaft is fixedly arranged on one of the steering piece and the second connecting piece, a second shaft hole which can be matched with the second rotating shaft is formed in the other part, and the second rotating shaft penetrates through the second shaft hole and can be rotatably arranged around the axial lead of the second shaft hole.

In some embodiments, the steering member includes a steering member body extending in a horizontal direction, and a connecting portion extending in an up-down direction and disposed on an end portion of the steering member body, where the connecting portion is provided with the first shaft hole, the other end portion of the steering member body is provided with the second shaft hole, the first connecting member is fixedly provided with the first rotating shaft, and the second connecting member is fixedly provided with the second rotating shaft.

According to some embodiments of the present utility model, the first connecting pieces are fixedly disposed on the left and right sides of the front portion of the front wheel frame body, the second connecting pieces are fixedly disposed on the left and right ends of the front wheel axle, the front wheel assembly has the steering pieces located on the left and right sides of the front wheel, and each side of the steering piece is rotatably connected with the first connecting piece and the second connecting piece on the corresponding side.

Further, the front wheel has a steering state and a straight running state, and when the front wheel is in the straight running state, the distance between the first axial lines at the two sides is smaller than the distance between the second axial lines at the two sides.

According to some embodiments of the present utility model, the front wheel carrier body includes a first cross bar section extending in a horizontal direction, a link section extending laterally and forwardly from both ends of the first cross bar section, and a second cross bar section extending in a horizontal direction and located behind the first cross bar section, one end of the second cross bar section extends laterally and forwardly and is connected to one end of the first cross bar section, and the front ends of the link sections on both sides are fixedly provided with the first connecting member.

According to some embodiments of the utility model, the stroller is a child stroller.

According to some embodiments of the utility model, the rear wheel assemblies are respectively arranged at the bottom rear of the cart frame and at the left and right sides of the baby carriage.

The utility model adopts a second technical scheme that: a front wheel assembly for a stroller, the front wheel assembly being the front wheel assembly described above.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

when the baby carrier is turned, the turning piece is driven to turn left or right by the front wheel frame through the left or right acting force applied to the frame of the baby carrier, the front wheels are driven to turn left or right by the turning piece around the second axial line, and the baby carrier can be turned, so that the baby carrier is convenient to turn.

Drawings

FIG. 1 is a schematic view of a child stroller (in a straight-through configuration) according to an exemplary embodiment of the present utility model;

FIG. 2 is a schematic structural view of a front wheel assembly of the stroller of FIG. 1;

FIG. 3 is an exploded view of the front wheel assembly of the stroller of FIG. 1;

FIG. 4 is a schematic side view of the child stroller of FIG. 1 (in a straight-through configuration);

FIG. 5 is a schematic view of the front view of the stroller of FIG. 1 (in a straight-through configuration);

FIG. 6 is an enlarged schematic view of FIG. 5A;

FIG. 7 is a schematic top view of the stroller of FIG. 1 (in a straight-through configuration);

FIG. 8 is a schematic front view of the stroller of FIG. 1 (left steering state);

FIG. 9 is an enlarged schematic view of FIG. 8B;

FIG. 10 is a schematic top view of the stroller of FIG. 8 (left steering state);

in the figure:

100. a cart frame; 200. a front wheel assembly; 300. a rear wheel assembly; 400. a first axis; 500. a second axis;

1. a front wheel frame; 1a, a front wheel frame body; 1a1, a first cross bar section; 1a2, a connecting rod section; 1a3, a second cross bar section; 1b, a first connector; 2. a front wheel; 2a, front axle; 2b, a wheel body; 2c, a second connecting piece; 3. a steering member; 3a; a steering member body; 3b, a connecting part; 4. a first rotating shaft; 5. a second rotating shaft; 6. a first shaft hole; 7. a second shaft hole; 8. a front bracket; 9. a rear bracket; 10. a bottom bracket; 11. a push rod.

Detailed Description

The utility model is further described with reference to the drawings and specific examples in the specification:

referring to the stroller shown in fig. 1 to 10, the stroller is a three-wheeled stroller, and can be used as a common stroller or a running car.

The stroller comprises a stroller frame 100, a front wheel assembly 200 arranged in front of the bottom of the stroller frame 100, and rear wheel assemblies 300 arranged behind the bottom of the stroller frame 100 and positioned on the left and right sides of the stroller.

In this example, the cart frame 100 includes at least a front frame 8, a rear frame 9 having an upper end connected to an upper end of the front frame 8 and located behind the front frame 8, a bottom frame 10 connected between a lower end of the front frame 8 and a lower end of the rear frame 9, and a push rod 11 provided on the front frame 8 or the rear frame 9.

Referring to fig. 2, the front wheel assembly 200 includes a front wheel frame 1 coupled to a bottom bracket 10 and a front wheel 2 rotatably coupled to the front wheel frame 1.

Referring to fig. 3, the front wheel frame 1 includes a front wheel frame body 1a connected to a stroller frame 100 and first connection members 1b provided at the front of the front wheel frame body 1a and located at the left and right sides of the stroller, and the front wheel 2 includes a front wheel shaft 2a extending in the left and right directions of the stroller, a wheel body 2b rotatably connected to the front wheel shaft 2a about the axis of the front wheel shaft 2a, and second connection members 2c fixedly provided at both end portions of the front wheel shaft 2a and located at the left and right sides of the stroller, respectively.

In this example, the front wheel carrier body 1a includes a first cross bar section 1a1 extending in a horizontal direction, a link bar section 1a2 extending laterally and forwardly from both end portions of the first cross bar section 1a1, and a second cross bar section 1a3 extending in the horizontal direction and located behind the first cross bar section 1a1, one end portion of the second cross bar section 1a3 extends laterally and forwardly and then is connected to one end portion of the first cross bar section 1a1, and front end portions of the link bar sections 1a2 on both sides are fixedly provided with a first connecting member 2c.

The front wheel assembly 200 further comprises steering members 3 disposed on the left and right sides of the stroller, wherein one end of each steering member 3 on each side is rotatably connected with the first connecting member 1b around the first axis 400, the other end of each steering member 3 on each side is rotatably connected with the second connecting member 2c around the second axis 500, the first axis 400 and the second axis 500 extend obliquely from front to back along the up-down direction of the stroller, the first axis 400 and the second axis 500 are parallel to each other, and the first axis 400 is located in front of the second axis 500.

The front wheel 2 has a steering state and a straight running state, and when the front wheel 2 is in the straight running state, referring to fig. 5 to 6, a distance H1 between the first axis lines 400 on both sides is smaller than a distance H2 between the second axis lines 500 on both sides.

The steering part 3 and the first connecting piece 1b on each side are rotationally connected through a first rotating shaft 4, the axial lead of the first rotating shaft 4 is a first axial lead 400, the first rotating shaft 4 is fixedly arranged on the first connecting piece 1b, a first shaft hole 6 which can be matched with the first rotating shaft 4 is arranged on the steering part 3, and the first rotating shaft 4 is arranged in the first shaft hole 6 in a penetrating way and can rotate around the own axial lead; the steering piece 3 and the second connecting piece 2c on each side are rotationally connected through a second rotating shaft 5, the axial lead of the second rotating shaft 5 is a second axial lead 500, the second rotating shaft 5 is fixedly arranged on the second connecting piece 2c, a second shaft hole 7 which can be matched with the second rotating shaft 5 is further formed in the steering piece 3, and the second rotating shaft 5 is arranged in the second shaft hole 7 in a penetrating manner and can rotate around the axial lead of the second shaft.

In this example, the first shaft 4 is provided integrally with the first connecting member 1 b; the second rotation shaft 5 is integrally provided with the second connecting member 2c.

Specifically, referring to fig. 2 to 3, the steering member 3 on each side includes a steering member body 3a extending obliquely from right to front and from top to bottom in the horizontal direction, and a connecting portion 3b extending obliquely from top to bottom and provided on one end portion of the steering member body 3a, the connecting portion 3b being provided with a first shaft hole 6, and the other end portion of the steering member body 3a being provided with a second shaft hole 7.

The stroller further has a return elastic member disposed between the steering member 3 and the first connecting member 1b and between the steering member 3 and the second connecting member 2c, respectively, for returning the front wheel 2 from the steering state to the straight state, and the return elastic member may be a torsion spring (not shown in the drawings).

In the use process of the child stroller, the front wheels 2 have a straight running state and a steering state, and the steering state can be a left steering state or a right steering state.

As shown in fig. 1 to 6, when the stroller turns left, the front wheel 2 of the stroller is in a straight running state, and when the stroller needs to turn left, the push rod 11 is held by a hand to apply force to the left thrust of the stroller, so that the front wheel frame 1 has left acting force to the first rotating shaft 4, and the steering members 3 on two sides are driven to rotate left around the second rotating shafts 5 on the corresponding sides respectively, so that the second connecting members 2c on the right side are pulled to have a forward deflection trend, and the second connecting members 2c on the left side have a backward deflection trend, so that the wheel body 2b is driven to deflect left, and the front wheel 2 is deflected left, as shown in fig. 8 to 10, so that the stroller turns left. When the child cart is required to be steered to the right from the straight state, the front wheels 2 can be deflected to the right only by applying right thrust to the child cart, the child cart can be steered to the right, and steering operation is convenient.

The above description of the directions such as up and down, front and back, left and right are all defined by referring to the direction observed when the child sits on the stroller, the direction in which the child faces is the front, the direction in which the child backs is the back, and the left and right sides of the child body are the left and right directions of the application.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a bassinet, includes the shallow frame, sets up the preceding wheel subassembly of shallow frame bottom the place ahead and set up the back wheel subassembly at shallow frame bottom rear, preceding wheel subassembly include with the preceding wheel carrier that the shallow frame links to each other and with the front wheel that preceding wheel carrier relative rotation is connected, its characterized in that: the front wheel assembly further comprises a steering piece, one end of the steering piece is in relative rotation connection with the front wheel frame around a first axial lead, the other end of the steering piece is in relative rotation connection with the front wheel around a second axial lead, the first axial lead and the second axial lead extend in the vertical direction respectively, and the first axial lead is positioned in front of or behind the second axial lead.

2. A stroller according to claim 1, wherein: the first axis is positioned in front of the second axis; and/or, the first axial lead and the second axial lead are parallel to each other.

3. A stroller according to claim 1 or 2, wherein: the front wheel frame comprises a front wheel frame body connected with the frame of the stroller and a first connecting piece arranged at the front part of the front wheel frame body, wherein the front wheel comprises a front wheel shaft extending along the left-right direction of the stroller, a wheel body rotationally connected with the front wheel shaft and a second connecting piece arranged on the front wheel shaft, one end part of the steering piece is rotationally connected with the first connecting piece around a first axial lead, and the other end part of the steering piece is rotationally connected with the second connecting piece around a second axial lead.

4. A stroller according to claim 3, wherein: the steering part and the first connecting part are rotationally connected through a first shaft, the axial lead of the first shaft is the first axial lead, the first shaft is fixedly arranged on one of the steering part and the first connecting part, the other part is provided with a first shaft hole which can be matched with the first shaft, and the first shaft is arranged in the first shaft hole in a penetrating way and can rotate around the axial lead of the first shaft;

5. The stroller of claim 4, wherein: the steering member comprises a steering member body extending in the horizontal direction and a connecting part extending in the vertical direction and arranged on one end of the steering member body, wherein the connecting part is provided with a first shaft hole, the other end of the steering member body is provided with a second shaft hole, the first connecting member is fixedly provided with a first rotating shaft, and the second connecting member is fixedly provided with a second rotating shaft.

6. A stroller according to claim 3, wherein: the left and right sides of front wheel carrier body front portion is fixed respectively be provided with first connecting piece, the left and right ends of front axle is fixed to be provided with the second connecting piece, the front wheel subassembly has be located the left and right sides of front wheel turn to the piece, every side turn to the piece with correspond the side first connecting piece and second connecting piece rotate to be connected.

7. The stroller of claim 6, wherein: the front wheel has a steering state and a straight running state, and when the front wheel is in the straight running state, the distance between the first axial leads at two sides is smaller than the distance between the second axial leads at two sides.

8. A stroller according to claim 3, wherein: the front wheel carrier body comprises a first cross rod section extending along the horizontal direction, a connecting rod section extending laterally and forwards from two end parts of the first cross rod section, and a second cross rod section extending along the horizontal direction and located behind the first cross rod section, wherein one end part of the second cross rod section is connected with one end part of the first cross rod section after extending laterally and forwards, and the front end parts of the connecting rod sections are fixedly provided with first connecting pieces.

9. A stroller according to claim 1, wherein: the baby carrier is a baby carriage; and/or the rear wheel assemblies are respectively arranged at the rear bottom of the cart frame and at the left side and the right side of the baby carriage.

10. A front wheel assembly for a stroller, comprising: the front wheel assembly is the front wheel assembly according to any one of claims 1 to 8.