CN219172089U

CN219172089U - Brake roller

Info

Publication number: CN219172089U
Application number: CN202222568473.4U
Authority: CN
Inventors: 江仲文
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-06-13
Anticipated expiration: 2032-09-28

Abstract

The utility model provides a brake roller, which belongs to the technical field of brake rollers, and comprises a main body mechanism, wherein the main body mechanism comprises a wheel support bracket, and rollers are arranged on two sides of the wheel support bracket; the brake mechanism is arranged in the inner cavity of the wheel support bracket and comprises a brake control key which is arranged on one side of the wheel support bracket. According to the utility model, the brake mechanism is arranged, when a brake is performed, the brake control key is pressed down, the back-off arc surface on the brake control key is in an arc design, the brake piece can move along the wheel support bracket, the clamping block on the brake piece can be clamped between the brake clamping teeth, the brake is realized through the brake clamping teeth, and when the roller rolls, the brake control key is pushed, and the spring is arranged between the wheel support bracket and the brake piece, so that the clamping block of the brake piece slides out of the brake clamping teeth on the roller.

Description

Brake roller

Technical Field

The utility model relates to the field of brake rollers, in particular to a brake roller.

Background

The roller does not have the brake function on traditional case and bag, when case and bag does not remove, if do not need to hold by hand case and bag, there is case and bag self-sliding, has inconvenient and the potential safety hazard of using.

In order to solve the technical problems, a plurality of manufacturers design case rollers with braking devices. However, the existing case roller assembly with the brake is unreasonable in structural design, the clamping piece can be pressed only by good clamping positions, the braking piece is too large in force and easy to break, and the main braking wheel is clamped due to the fact that the braking is easy to slide down and slide down when the braking piece does not work due to the vibration of walking, so that the defects of poor braking reliability, inconvenience in use and the like are overcome.

Disclosure of Invention

In order to overcome the above disadvantages, the present utility model provides a brake roller which overcomes or at least partially solves the above-mentioned problems.

The utility model is realized in the following way:

the utility model provides a brake roller, which comprises a main body mechanism, wherein the main body mechanism comprises a wheel support bracket, and rollers are arranged on two sides of the wheel support bracket;

the brake mechanism is arranged in the inner cavity of the wheel support bracket and comprises a brake control key, the brake control key is arranged on one side of the wheel support bracket, and a brake piece matched with the brake control key is arranged in the inner cavity of the wheel support bracket.

In one embodiment of the present utility model, a circular pin hole is formed on one side of the brake control button, a bayonet slot is formed on one side of the brake control button, a concave clamping slot is formed on one side of the brake control button, and an arc-shaped yielding mating surface is formed on one side of the brake control button.

In one embodiment of the utility model, a spring positioning rod is arranged on the inner wall of the brake control button, a first spring is arranged on the surface of the spring positioning rod, and a spring groove matched with the first spring is formed on one side of the brake piece.

In one embodiment of the utility model, one side of the brake piece is provided with a clamping block, and the inner wall of the roller is provided with brake clamping teeth matched with the clamping block for use.

In one embodiment of the utility model, the inner cavity of the round pin hole is provided with a first round pin, and the opposite sides of the two rollers are respectively provided with a round hole matched with the first round pin.

In one embodiment of the utility model, an inclined slide clamping groove is formed in one side of the brake piece, and a sliding clamping block matched with the concave clamping groove for use is arranged on one side of the brake piece.

In one embodiment of the utility model, a brake clip fitting groove for fitting with a brake is formed in one side of the wheel support bracket.

In one embodiment of the utility model, the inner cavity of the wheel support bracket is provided with a second round pin, and both ends of the second round pin are arranged on the inner wall of the brake control button.

The utility model provides a brake roller, which has the beneficial effects that:

1. through setting up brake mechanism, when braking, with brake control button down, the arc face that lets on the brake control button is owing to be the circular arc design, the brake piece can be followed the wheel support and moved, the screens piece on the brake piece will block into between the brake screens tooth, realize the brake through the brake screens tooth, when rolling to the gyro wheel, promote the brake control button, owing to install first spring between wheel support frame and the brake piece, so lead to the brake screens piece to slide and break away from the brake screens tooth on the gyro wheel, thereby avoid because the vibrations of walking still slide the brake easily and lead to the card main wheel to cause the brake reliability poor and use to bring inconvenience.

2. Through setting up the cooperation in first circular pin and circular hole and using, with first circular pin card on the wheel support frame, then with the gyro wheel card on first circular pin for first circular pin gets into circular hole, thereby carries out spacing effect to two gyro wheels.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall block diagram provided by an embodiment of the present utility model;

fig. 2 is a perspective view of a wheel support bracket and a roller provided in an embodiment of the present utility model;

FIG. 3 is a perspective view of a wheel support bracket and brake clip mating groove provided in an embodiment of the present utility model;

FIG. 4 is a perspective view of a brake control button and a recessed detent provided in an embodiment of the present utility model;

FIG. 5 is a perspective view of a brake and roller according to an embodiment of the present utility model;

fig. 6 is a perspective view of a brake and a detent block according to an embodiment of the present utility model.

In the figure: 100. a main body mechanism; 101. a wheel support bracket; 102. a roller; 200. a brake mechanism; 201. a brake control key; 202. a brake member; 203. round pin holes; 204. a bayonet slot; 205. a concave clamping groove; 206. a spring positioning rod; 207. a first spring; 208. a spring groove; 209. a clamping block; 210. brake clamping teeth; 211. a first circular pin; 212. a circular hole; 213. an inclined slide way clamping groove; 214. sliding the clamping block; 215. a brake clip fitting groove; 216. a second circular pin.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-6, the present utility model provides a technical solution: a brake roller includes a body mechanism 100 and a brake mechanism 200, the body mechanism 100 being configured to support the brake mechanism 200, the brake mechanism 200 being configured to prevent rotation of the roller 102.

The main body mechanism 100 comprises a wheel support bracket 101, and rollers 102 are rotatably connected to two sides of the wheel support bracket 101;

the brake mechanism 200 is arranged in the inner cavity of the wheel support bracket 101, the brake mechanism 200 comprises a brake control key 201, the brake control key 201 is movably connected to one side of the wheel support bracket 101, and a brake piece 202 matched with the brake control key 201 is movably connected to the inner cavity of the wheel support bracket 101.

A circular pin hole 203 is formed in one side of a brake control button 201, a bayonet slot 204 is formed in one side of the brake control button 201, a concave clamping groove 205 is formed in one side of the brake control button 201, an arc-shaped yielding matching surface is formed in one side of the brake control button 201, a spring positioning rod 206 is fixedly connected to the inner wall of the brake control button 201, a first spring 207 is sleeved on the surface of the spring positioning rod 206, a spring groove 208 matched with the first spring 207 is formed in one side of a brake piece 202, a clamping block 209 is fixedly connected to one side of the brake piece 202, a clamping tooth 210 matched with the clamping block 209 is fixedly connected to the inner wall of the roller 102, when a brake is carried out, the brake control button 201 is pressed down, the arc-shaped yielding arc surface on the brake control button 201 is designed to be circular arc-shaped, the brake piece 202 can move along the wheel support bracket 101, the clamping block 209 is clamped between the clamping teeth 210, braking is realized through the clamping teeth 210, and when the roller 102 rolls, the roller 102 is pushed, and the roller is prevented from sliding off due to the fact that the clamping block 202 is separated from the first spring 207, and the difference is not caused by the vibration of the roller is easy.

The inner cavity of the round pin hole 203 is rotationally connected with a first round pin 211, one side opposite to the two rollers 102 is provided with a round hole 212 matched with the first round pin 211, the first round pin 211 is clamped on the wheel support bracket 101 through the matched use of the first round pin 211 and the round hole 212, then the rollers 102 are clamped on the first round pin 211, and the first round pin 211 enters the round hole 212, so that the two rollers 102 are limited.

An inclined slide clamping groove 213 is formed in one side of the brake piece 202, a sliding clamping block 214 matched with the concave clamping groove 205 is fixedly connected to one side of the brake piece 202, and the sliding clamping block 214 is clamped in the concave clamping groove 205 when the brake control key 201 is pressed downwards through the matched use of the inclined slide clamping groove 213 and the sliding clamping block 214, so that the effect of limiting the brake control key 201 is achieved.

One side of the wheel support bracket 101 is provided with a brake clip fitting groove 215 which is used for being matched with the brake piece 202, and the brake clip fitting groove 215 is used for limiting the brake piece 202.

The inner cavity of the wheel support bracket 101 is rotationally connected with a second round pin 216, both ends of the second round pin 216 are fixedly connected to the inner wall of the brake control key 201, and the effect of limiting the brake control key 201 is achieved by arranging the second round pin 216.

Specifically, the working process or working principle of the brake roller 102 is as follows: the first round pin 211 is clamped on the wheel support bracket 101, then the roller 102 is clamped on the first round pin 211, the first round pin 211 enters the round hole 212, so that the limiting effect is achieved on the two rollers 102, when braking is carried out, the brake control key 201 is pressed down, the braking piece 202 moves along the wheel support bracket 101 due to the arc design of the back-off arc surface on the brake control key 201, the clamping block 209 on the braking piece 202 is clamped between the braking clamping teeth 210, braking is achieved through the braking clamping teeth 210, when the roller 102 rolls, the brake control key 201 is pushed, and the braking piece 202 is caused to slip off the braking clamping teeth 210 on the roller 102 due to the fact that the first spring 207 is installed between the wheel support bracket 101 and the braking piece 202, so that the roller 102 can freely rotate.

Claims

1. A brake roller, comprising

The main body mechanism (100), wherein the main body mechanism (100) comprises a wheel support bracket (101), and rollers (102) are arranged on two sides of the wheel support bracket (101);

the brake mechanism (200), brake mechanism (200) set up in the inner chamber of wheel support (101), brake mechanism (200) include brake control button (201), brake control button (201) set up in one side of wheel support (101), the inner chamber of wheel support (101) is provided with brake piece (202) that use with brake control button (201) cooperation.

2. The brake roller according to claim 1, wherein a circular pin hole (203) is formed in one side of the brake control key (201), a bayonet slot (204) is formed in one side of the brake control key (201), a concave clamping slot (205) is formed in one side of the brake control key (201), and one side of the brake control key (201) is provided with an arc-shaped yielding mating surface.

3. The brake roller according to claim 1, wherein a spring positioning rod (206) is arranged on the inner wall of the brake control button (201), a first spring (207) is arranged on the surface of the spring positioning rod (206), and a spring groove (208) matched with the first spring (207) is formed in one side of the brake piece (202).

4. A brake roller according to claim 1, characterized in that a detent block (209) is provided on one side of the brake member (202), and a brake detent tooth (210) for cooperating with the detent block (209) is provided on the inner wall of the roller (102).

5. A brake roller according to claim 2, characterized in that the inner cavity of the circular pin hole (203) is provided with a first circular pin (211), and the opposite sides of the two rollers (102) are provided with circular holes (212) which are matched with the first circular pin (211).

6. The brake roller according to claim 2, wherein an inclined ramp clamping groove (213) is formed in one side of the brake member (202), and a sliding clamping block (214) used in cooperation with the concave clamping groove (205) is formed in one side of the brake member (202).

7. A brake roller according to claim 1, wherein a brake clip fitting groove (215) for fitting with the brake (202) is provided on one side of the wheel support bracket (101).

8. A brake roller according to claim 1, characterized in that the inner cavity of the wheel support bracket (101) is provided with a second circular pin (216), both ends of the second circular pin (216) are arranged on the inner wall of the brake control button (201).