CN212637629U

CN212637629U - Braking mechanism of baby carriage and baby carriage

Info

Publication number: CN212637629U
Application number: CN202020693935.3U
Authority: CN
Inventors: 马旭
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2021-03-02
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a braking mechanism of a baby carriage and a baby carriage. The baby carriage comprises a frame and a wheel assembly. The wheel assembly includes a wheel seat connected with the frame and a wheel rotatably mounted on the wheel seat. The braking mechanism includes a fixedly arranged wheel seat. The brake disc on the wheel and the brake pad assembly arranged on the wheel base, the brake pad assembly includes two arc-shaped brake pads, each brake pad has a first end portion and a second end portion respectively arranged in the extending direction of its own length. At the end, the first ends of the two brake pads are rotatably connected to the wheel base through the rotating shaft, the two brake pads are jointly arranged on the circumferential outer side of the brake disc, and the inner peripheral surface of the brake pads forms a joint that cooperates with the brake disc. The brake surface, between the two second ends, is also provided with an elastic component for driving the two to be relatively far away. When the second ends of the two brake pads are driven relatively close to each other, braking can be achieved. After the external force is released, the two brakes The plate is automatically reset and released under the action of the elastic component assembly, and the structure is simple and the operation is convenient.

Description

Brake mechanism of baby carriage and baby carriage

Technical Field

The utility model relates to a brake mechanism and bassinet of bassinet.

Background

The children's cart provides great convenience for people to carry small children for outdoor activities. In order to eliminate the potential safety hazard of the baby carriage during parking, the baby carriage is generally provided with a brake mechanism. In the prior art, a brake mechanism on a stroller generally comprises a brake rod and a brake disc with a plurality of brake grooves, braking can be realized by driving the brake rod to be inserted into the brake grooves through a driving mechanism, and braking can be released by driving the brake rod to be separated from the brake grooves. However, most of the brake mechanisms have a large number of lever members, a complicated structure, and inconvenient braking operation.

Disclosure of Invention

The utility model aims at providing a simple structure and convenient operation's brake mechanism of bassinet.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a brake mechanism of bassinet, the bassinet includes the frame and locates the wheel subassembly of frame bottom, the wheel subassembly including be used for with the wheel seat of connected to the frame to and install with rotating through the shaft wheel on the wheel seat, brake mechanism includes fixedly set up brake disc on the wheel, set up brake block subassembly on the wheel seat, brake block subassembly includes two curved brake blocks, every brake block all has first end and the second end of locating on self length extending direction separately, two the first end of brake block connect with through the pivot rotation on the wheel seat, two the common ring of brake block is established the circumference outside of brake disc, the inboard global formation of brake block with the brake block that the brake disc is mutually supported, two still be provided with the elastic component who is used for driving about both relative removals between the second end, when the brake mechanism is in a braking state, the two second end parts are close to each other, and the braking surface is in contact with the outer circumferential surface of the brake disc; when the brake mechanism is in a brake release state, the two second end parts are relatively far away, and the brake surface is separated from the brake disc.

Preferably, the elastic element assembly comprises two sets of springs, one set of the springs is arranged between the second end of each brake pad and the wheel seat, and the installation positions of the two sets of the springs on the wheel seat are located between the two second ends.

Furthermore, an installation boss is arranged on the wheel seat, limiting grooves are formed in two sides of the installation boss, each limiting column is arranged on the second end portion, and the spring is installed between the limiting columns and the limiting grooves.

Further, the two springs are arranged to extend in the same longitudinal direction.

Preferably, every the brake block all includes that self has elastic support ring, sets up fixedly the friction disc of support ring medial surface, two the brake block rotates around same pivot to be connected, works as brake mechanism is by separating when stopping the state to the braking state conversion, two the support ring bending deformation respectively and realize the brake.

Furthermore, the support ring has the arc main part, certainly a switching end that outwards extends of an tip of arc main part, and certainly another tip of arc main part outwards buckles the connection end that extends, switching end, the arc main part reaches the connection end is integrated into one piece's integral component.

Furthermore, the friction plate is annular, and the friction plate is detachably arranged on the inner side surface of the arc-shaped main body.

Still further, the support ring is made of spring steel.

The utility model aims at providing a bassinet with above-mentioned brake mechanism.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a baby carriage comprises a carriage frame and a wheel assembly arranged at the bottom of the carriage frame, wherein the brake mechanism is arranged between the wheel assembly and the carriage frame.

Preferably, the wheel component includes two sets of rear wheel components that locate the rear portion of frame bottom left and right sides respectively, two sets of rear wheel component with all be equipped with between the frame brake mechanism, every group brake mechanism still includes can order about two when the tensioning the brake cable that the second end is close to relatively of brake block, be provided with on the frame and be used for ordering about both sides the brake handle of the synchronous tensioning of brake cable.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a brake mechanism of bassinet through adopting two brake blocks that rotate the connection, makes its ring establish on the outside of brake disc is global, alright realize the brake when the tip of ordering about two brake blocks is close to relatively, after the release external force, two brake blocks automatic re-setting and the separating brake under the effect of elastic component subassembly, and the brake block is connected on the wheel seat through the pivot, can make both positions relatively fixed, the problem of running and rocking can not appear in disorder, the utility model discloses simple structure, convenient operation.

Drawings

FIG. 1 is a perspective view of a stroller in accordance with an embodiment of the present invention;

FIG. 2 is a side view of the wagon of FIG. 1;

FIG. 3 is a schematic view of the stroller of FIG. 1 with the wheels removed;

FIG. 4 is a schematic view of the fitting of a wheel base and a brake pad assembly in a brake mechanism;

FIG. 5 is a front view of the wheel base;

FIG. 6 is a schematic structural view of a brake pad assembly;

FIG. 7 is an exploded view of the brake pad assembly;

FIG. 8 is a perspective view of a wheel with a brake disc mounted thereon;

FIG. 9 is an exploded view of the structure of FIG. 8;

FIG. 10 is a top view of the wagon of FIG. 1, wherein the brake mechanism is in an unlocked position;

FIG. 11 is a schematic sectional view taken along line A-A of FIG. 10;

FIG. 12 is an enlarged view of the point M of FIG. 11;

FIG. 13 is a top view of the wagon of FIG. 1, with the brake mechanism in a braking position;

FIG. 14 is a schematic sectional view taken along line B-B of FIG. 13;

FIG. 15 is an enlarged view taken at point N of FIG. 14;

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

1. a wheel seat; 11. mounting a boss; 12. a limiting groove; 2. a brake pad assembly; 20. a brake pad; 21. a support ring; 21a, an arc-shaped main body; 21b, a switching end; 21c, connecting end heads; 22. a friction plate; 23. a rotating shaft; 24. a limiting column; 5. a spring; 6. a brake cable; 7. a brake handle.

Detailed Description

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

Referring to fig. 1 to 15, the stroller includes a frame 100 and wheel assemblies disposed at the bottom of the frame 100, the wheel assemblies include two sets of rear wheel assemblies 200 disposed at the left and right sides of the rear portion of the bottom of the frame 100, and a front wheel assembly 300 disposed at the front portion of the bottom of the frame 100, wherein a brake mechanism is disposed between the rear wheel assemblies 200 at both sides and the frame 100.

Referring to the drawings, a rear wheel assembly 200 includes a wheel base 1 for coupling with a vehicle frame 100, and a wheel 4 rotatably mounted on the wheel base 1 through an axle. The brake mechanism comprises a brake disc 3 fixedly arranged on a wheel 4, and a brake pad assembly 2 arranged on a wheel seat 1.

Brake block subassembly 2 includes two curved brake block 20, and every brake block 20 all includes that the branch locates self length extending direction's first end and second end, and two brake block 20's first end is connected on wheel seat 1 through pivot 23 rotation jointly, and two brake block 20 encircle jointly and establish in the circumference outside of brake disc 3, and the medial surface of brake block 20 forms the brake face of mutually supporting with brake disc 3. An elastic component assembly for driving the two second end parts to be relatively far away is further arranged between the two second end parts. When the brake mechanism is in a brake release state, under the action of the elastic component, the second end parts of the two brake pads 20 are relatively far away, and the brake surface is separated from the brake disc 3; when the brake mechanism is in a brake state, the two second end parts are close to each other under the action of external force, and the brake surface is in mutual contact with the peripheral surface of the outer side of the brake disc 3 and in friction fit, so that the wheel 4 rotates at a reduced speed or stops rotating, and the brake is realized.

Specifically, referring to fig. 4 to 7, and fig. 12 and 15, each brake pad 20 includes a support ring 21 having elasticity, and a friction plate 22 fixedly disposed on an inner side surface of the support ring 21, the support ring 21 may be made of spring steel, and each support ring 21 is bent and deformed to realize braking when braking; the friction plate 22 is preferably made of rubber, and is detachably mounted on the support ring 21, and the friction plate 22 is in friction fit with the brake disc 3 in a contact manner during braking, and can be replaced after being worn.

The elastic piece assembly comprises two groups of springs 5, a group of springs 5 are arranged between the second end of each brake pad 20 and the wheel seat 1, and the installation positions of the two groups of springs 5 on the wheel seat 1 are located between the two second ends. In this embodiment, the support ring 21 of each brake pad 20 includes an arc-shaped main body 21a, an adapter 21b extending outward from one end of the arc-shaped main body 21a, and a connection end 21c extending outward from the other end of the arc-shaped main body 21a, the adapter 21b, the arc-shaped main body 21a, and the connection end 21c are integrally formed by spring steel, and the friction plate 22 is arc-shaped and disposed on the inner side surface of the arc-shaped main body 21 a.

The first end of the brake block 20 is located on the adapting end 21b, the second end of the brake block 20 is located on the connecting end 21c, the two adapting ends 21b are rotatably connected through the rotating shaft 23, and a group of springs 5 are arranged between each connecting end 21c and the wheel seat 1. Here, as shown in fig. 5, the wheel seat 1 has a mounting boss 11, and both left and right sides of the mounting boss 11 are provided with limit grooves 12; each connecting end 21c is provided with a limiting column 24, and the spring 5 is installed between the limiting column 24 and the limiting groove 12.

Referring to fig. 12, the brake mechanism is in a brake-released state, in the brake pad assembly 2, the second ends of the two brake pads 20 are relatively opened under the action of the two sets of springs 5, so that a space exists between the braking surfaces of the brake pads 20 and the brake disc 3, the friction plates 22 do not contact the brake disc 3, and the wheel 4 and the brake disc 3 can rotate relative to the frame 100, that is, the stroller can normally run.

When the brake handle 7 is operated to tension the brake cable 6, as shown in fig. 15, the two second end portions of the brake pads 20 in the brake assembly 2 are relatively close to each other against the action force of the spring 5, so that the two brake pads 20 rotate towards each other around the rotating shaft 23 and deform themselves, and the braking surfaces gradually contact the outer circumferential surface of the brake disc 3, and the friction plates 22 are in friction fit with the brake disc 3 to realize braking.

When the brake is not needed to be continuously braked, an operator loosens the brake handle 7, the brake cable 6 is released, and under the action force of the spring 5, the two brake pads 20 rotate around the rotating shaft 23 in opposite directions respectively, so that the two second end parts are relatively far away, the brake pads 20 restore to the original state, the brake pad assembly 2 is separated from the brake disc 3, and the brake is released.

To sum up, the utility model discloses a brake mechanism, its simple structure, convenient operation can realize the purpose of brake fast.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A braking mechanism for a baby carriage, the baby carriage comprising a frame and a wheel assembly provided at the bottom of the frame, the wheel assembly comprising a wheel seat for connecting with the frame, and rotatably installed through a wheel axle The wheel on the wheel seat is characterized in that: the braking mechanism includes a brake disc fixedly arranged on the wheel, a brake pad assembly arranged on the wheel seat, and the brake pad assembly includes two Arc-shaped brake pads, each brake pad has a first end and a second end that are respectively arranged in the extension direction of its own length, and the first ends of the two brake pads are rotatably connected by a rotating shaft On the wheel base, the two brake pads are arranged on the outer circumferential side of the brake disc, and the inner peripheral surface of the brake pad forms a braking surface that cooperates with the brake disc. There is also an elastic component between the second ends for driving the two to be relatively away from each other. When the braking mechanism is in the braking state, the two second ends are close to each other, and the braking surface and the brake disc The outer peripheral surfaces of the two parts are in contact with each other; when the braking mechanism is in the unbraking state, the two second ends are relatively far apart, and the braking surface is separated from the brake disc.

2 . The braking mechanism of the baby carriage according to claim 1 , wherein the elastic member assembly comprises two sets of springs, and each of the second ends of the brake pads and the wheel seat are provided between the second ends. 3 . There are one set of the springs, and the installation positions of the two sets of springs on the wheel seat are both located between the two second ends.

3 . The braking mechanism of the stroller according to claim 2 , wherein the wheel seat has a mounting boss, and both sides of the mounting boss are provided with limiting grooves, and each of the second ends A limit post is arranged on each part, and the spring is installed between the limit post and the limit slot.

4 . The braking mechanism of the baby carriage according to claim 2 or 3 , wherein the two springs are arranged to extend along the same length direction. 5 .

5 . The brake mechanism of the baby carriage according to claim 1 , wherein each of the brake pads comprises a support ring with its own elasticity, a friction plate fixedly arranged on the inner side of the support ring, and the two The brake pads are rotatably connected around the same rotating shaft, and when the brake mechanism is switched from the brake release state to the brake state, the two support rings are respectively bent and deformed to realize braking.

6 . The braking mechanism of the baby carriage according to claim 5 , wherein the support ring has an arc-shaped body, an adapter end extending outward from one end of the arc-shaped body, and a The other end of the main body is a connecting end that is bent and extended outward, and the adapter end, the arc-shaped main body and the connecting end are integrally formed integral components.

7 . The braking mechanism of the baby carriage according to claim 6 , wherein the friction plate is annular, and the friction plate is detachably mounted on the inner side surface of the arc-shaped main body. 8 .

8. The braking mechanism of the baby carriage according to claim 5, 6 or 7, wherein the support ring is made of spring steel.

9. A baby carriage, comprising a frame and a wheel assembly disposed at the bottom of the frame, wherein a brake according to any one of claims 1 to 8 is arranged between the wheel assembly and the frame mechanism.

10 . The stroller according to claim 9 , wherein the wheel assembly comprises two groups of rear wheel assemblies respectively disposed on the left and right sides of the bottom rear of the frame, and the two groups of the rear wheel assemblies are connected to the vehicle. 11 . The brake mechanisms are arranged between the frames, and each group of the brake mechanisms also includes a brake wire that can drive the second ends of the two brake pads to be relatively close to each other when tensioned. A brake lever for driving the brake lines on both sides to be tensioned synchronously is provided.