阅读说明：本技术 一种儿童推车刹车机构 (Brake mechanism of baby carriage ) 是由 朱华斌 何平 于 2019-11-22 设计创作，主要内容包括：本发明公开了一种儿童推车刹车机构,包括车轮、刹车管、车轮接头、刹车齿块、刹车拨块和刹车把,所述车轮通过车轮接头转动安装在所述刹车管上,所述刹车拨块固定连接在所述刹车管上,所述刹车管上固定套设有轴套,所述轴套转动安装在所述车轮接头上,所述刹车齿块沿所述车轮的径向方向移动安装在所述车轮连接头上,所述车轮的内侧设有与所述刹车齿块上的齿啮合的齿槽,所述刹车齿块上设有镂空部,所述刹车拨块位于所述刹车齿块镂空部中的部分设有拨块凸台,所述刹车齿块上设有供所述拨块凸台放置的解刹槽和刹车槽,所述刹车把固定安装在所述刹车管上,该儿童推车刹车机构结构简单,能够减小车轮接头的厚度,方便装配。(The invention discloses a brake mechanism of a child cart, which comprises a wheel, a brake pipe, a wheel joint, a brake tooth block, a brake shifting block and a brake handle, wherein the wheel is rotatably arranged on the brake pipe through the wheel joint, the brake shifting block is fixedly connected on the brake pipe, a shaft sleeve is fixedly sleeved on the brake pipe, the shaft sleeve is rotatably arranged on the wheel joint, the brake tooth block is movably arranged on the wheel joint along the radial direction of the wheel, a tooth groove meshed with teeth on the brake tooth block is arranged on the inner side of the wheel, a hollow part is arranged on the brake tooth block, a shifting block boss is arranged at the part of the brake shifting block positioned in the hollow part of the brake tooth block, a brake release groove and a brake groove for placing the shifting block boss are arranged on the brake tooth block, the brake handle is fixedly arranged on the brake pipe, the brake mechanism of the child cart is simple in structure, the thickness that can reduce the wheel and connect, convenient assembly.)

1. The utility model provides a children's shallow brake mechanism which characterized in that: including wheel (7), brake pipe (5), wheel joint (1), brake tooth piece (2), brake shifting block (3) and brake (6), the wheel passes through the wheel joint and rotates to be installed on the brake pipe, brake shifting block fixed connection be in on the brake pipe, fixed cover is equipped with axle sleeve (10) on the brake pipe, the axle sleeve rotates to be installed on the wheel joint, the brake tooth piece is followed the radial direction of wheel removes to be installed on the wheel joint, the inboard of wheel be equipped with tooth's socket (71) of tooth (23) meshing on the brake tooth piece, be equipped with fretwork portion on the brake tooth piece, the part that the brake shifting block is located in brake tooth piece fretwork portion is equipped with shifting block boss (31), be equipped with on the brake tooth piece and supply unblock groove (21) and brake groove (22) that the shifting block boss was placed, the brake handle is fixedly arranged on the brake pipe.

2. The stroller brake mechanism of claim 1, wherein: the brake tooth piece is located the wheel with between the wheel connects, the brake tooth piece is close to one side that the wheel connects through spring (8) that two front and back symmetries set up with wheel articulate, the one end of spring is connected on the brake tooth piece, the other end is connected on the wheel connects, the spring is along parallel the radial direction setting of wheel.

3. The stroller brake mechanism of claim 2, wherein: the teeth on the brake tooth block are located on the side, close to the wheel, of the brake tooth block, grooves are formed in the inner sides of the wheel, the teeth on the brake tooth block are located in the grooves, and tooth grooves are located on the edges of the grooves.

4. A stroller brake mechanism according to claim 3, wherein: the shifting block boss is triangular, the brake releasing groove can be used for placing the shifting block boss integrally, and the shifting block boss is matched with the brake releasing groove through an inclined plane.

5. The stroller brake mechanism of claim 4, wherein: the brake groove is an arc-shaped groove, the brake groove only supplies the triangular head of the shifting block boss to be placed, and the shifting block boss is matched with the brake groove through an inclined plane.

6. The stroller brake mechanism of claim 5, wherein: the brake releasing groove and the brake groove are located on the same side of the hollow-out portion of the brake tooth block, the distance between the brake releasing groove and the brake groove is the same as the length of the side edge of the triangle of the shifting block boss, and the distance between the top of the brake groove and the axial lead of the brake shifting block is smaller than the distance between the top of the brake releasing groove and the axial lead of the brake shifting block.

7. The stroller brake mechanism of claim 6, wherein: the wheel connector is characterized by further comprising a limiting block (4), wherein the limiting block is parallel to the axial direction of the wheel through a pressure spring (9) and is arranged in the wheel connector in a telescopic mode.

8. The stroller brake mechanism of claim 7, wherein: the part that the brake shifting block is located in the brake tooth piece fretwork portion still is equipped with spacing boss (32), spacing boss with the shifting block boss is located the coplanar and is the interval setting, both ends are close to around the spacing boss one side symmetry that the wheel connects is equipped with the incision, the incision with through the inclined plane cooperation between the stopper.

9. The stroller brake mechanism of claim 8, wherein: the brake tooth block is provided with a first limiting step (24) and a second limiting step (25), and the first limiting step and the second limiting step are respectively positioned on the front side and the rear side of the limiting boss.

10. The stroller brake mechanism of claim 9, wherein: the brake handle is a brake pedal, and the brake pedal is fixedly sleeved in the middle of the brake pipe.

Technical Field

The invention relates to a brake mechanism of a child stroller.

Background

The brake structure of present children's shallow is mostly axial brake, and the brake structure is more complicated, and the wheel joint of required assembly is also than thicker moreover, leads to assembly process to need more time and manpower.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide the child stroller brake mechanism which is simple in structure, can reduce the thickness of a wheel joint and is convenient to assemble.

The invention provides a brake mechanism of a child cart, which comprises a wheel (7), a brake pipe (5), a wheel joint (1), a brake tooth block (2), a brake shifting block (3) and a brake handle (6), wherein the wheel is rotatably arranged on the brake pipe through the wheel joint, the brake shifting block is fixedly connected on the brake pipe, a shaft sleeve (10) is fixedly sleeved on the brake pipe, the shaft sleeve is rotatably arranged on the wheel joint, the brake tooth block is movably arranged on the wheel joint along the radial direction of the wheel, a tooth socket (71) meshed with teeth (23) on the brake tooth block is arranged on the inner side of the wheel, a hollowed-out part is arranged on the brake tooth block, a shifting block boss (31) is arranged at the part of the brake shifting block in the hollowed-out part, a brake release groove (21) and a brake groove (22) for the shifting block boss to be arranged on are arranged on the brake tooth block, the brake handle is fixedly arranged on the brake pipe.

Furthermore, the brake tooth piece is located the wheel with between the wheel connects, the brake tooth piece is close to one side that the wheel connects through two spring (8) that the front and back symmetry set up with wheel articulate, the one end of spring is connected on the brake tooth piece, the other end is connected on the wheel connects, the spring is along the parallel the radial direction setting of wheel.

Furthermore, the teeth on the brake tooth block are located the brake tooth block is close to one side of the wheel, a groove is formed in the inner side of the wheel, the teeth on the brake tooth block are located in the groove, and the tooth grooves are located at the edge of the groove.

Further, the shifting block boss is triangular, the brake releasing groove can be used for the shifting block boss to be integrally placed, and the shifting block boss is matched with the brake releasing groove through an inclined plane.

Furthermore, the brake groove is the arc wall, the brake groove only supplies the triangle-shaped head of shifting block boss is placed, the shifting block boss with through the inclined plane cooperation between the brake groove.

Furthermore, the brake releasing groove and the brake groove are located on the same side of the hollow-out part of the brake tooth block, the distance between the brake releasing groove and the brake groove is the same as the length of the side edge of the triangle of the boss of the shifting block, and the distance from the top of the brake groove to the axial lead of the brake shifting block is smaller than the distance from the top of the brake releasing groove to the axial lead of the brake shifting block.

Furthermore, the wheel connector further comprises a limiting block (4), and the limiting block is arranged in the wheel connector in a telescopic mode along the axial direction parallel to the wheel through a pressure spring (9).

Further, the part that the brake shifting block is located in the brake tooth block fretwork portion still is equipped with spacing boss (32), spacing boss with the shifting block boss is located the coplanar and is the interval setting, both ends are close to around the spacing boss one side symmetry that the wheel connects is equipped with the incision, the incision with through the inclined plane cooperation between the stopper.

Furthermore, the brake tooth block is provided with a first limiting step (24) and a second limiting step (25), and the first limiting step and the second limiting step are respectively positioned on the front side and the rear side of the limiting boss.

Furthermore, the brake handle is a brake pedal, and the brake pedal is fixedly sleeved in the middle of the brake pipe.

By the scheme, the invention at least has the following advantages: this shallow brake mechanism of children passes through the rotation of brake handle control brake pipe, and the brake shifting block rotates along with the brake pipe, utilizes the shifting block boss on the brake shifting block to remove to the brake groove in the groove of separating to brake, makes the brake tooth piece follow on the wheel joint the radial direction of wheel removes to the tooth that makes the brake tooth piece can follow the radial direction of wheel and meshes to accomplish radial brake in the tooth's socket, and overall structure is simple, can reduce the thickness of wheel joint, has effectively reduced assemble duration and manpower.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is an exploded view of the brake mechanism of the stroller of the present invention;

FIG. 2 is a schematic view of the connection between the brake tooth block and the bottom of the wheel joint when the brake mechanism of the stroller is in a brake-released state;

FIG. 3 is a schematic view of the connection between the braking tooth block and the wheel joint when the braking mechanism of the stroller of the present invention is in a braking state;

FIG. 4 is a schematic structural view of a wheel according to the present invention;

FIG. 5 is a schematic structural view of a brake pad according to the present invention;

FIG. 6 is a schematic structural view of the brake pad of the present invention.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.