CN220973816U

CN220973816U - Wheel with brake structure

Info

Publication number: CN220973816U
Application number: CN202322729495.9U
Authority: CN
Inventors: 张艳飞
Original assignee: Pingxiang Shenghai Household Products Co ltd
Current assignee: Pingxiang Shenghai Household Products Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-05-17
Anticipated expiration: 2033-10-11

Abstract

The utility model relates to the technical field of wheels, and provides a wheel with a brake structure, which comprises a foot rest, wherein the wheel is rotatably arranged on the foot rest, a limiting piece is rotatably arranged on the foot rest, the limiting piece is positioned between the wheel and the top of the foot rest, the limiting piece is provided with a brake part, a movable area is formed between the limiting piece and the top of the foot rest, the brake piece is movably arranged in the movable area, and the brake piece is used for controlling the brake part to tightly push or cancel to tightly push the wheel after moving. Through above-mentioned technical scheme, the problem that does not have brake structure on having solved the wheel among the prior art, the security performance is not high.

Description

Wheel with brake structure

Technical Field

The utility model relates to the technical field of wheels, in particular to a wheel with a brake structure.

Background

At present, various carts are applied to various scenes, such as shopping carts of supermarkets and medical carts of hospitals, wheels of the carts are generally vertically arranged on supporting legs of the carts and made into universal structures, in order to ensure the use safety, a brake structure is generally arranged, most of traditional brake structures are in a pedal mode, namely pedal braking plates are hinged to one sides of the wheels, when the wheels are needed to be braked, the pedal braking plates are manually and actively stepped on to enable the pedal braking plates to be contacted with and friction the wheels to stop the rotation of the wheels, and braking operation is completed.

Disclosure of utility model

The utility model provides a wheel with a brake structure, which solves the problems that the brake structure on the existing wheel in the related technology is easy to cause larger abrasion to a pedal braking plate and can not continuously maintain a braking state.

The technical scheme of the utility model is as follows:

a wheel with a brake structure comprises

A supporting leg frame is arranged on the upper part of the supporting leg frame,

The wheels are rotatably arranged on the supporting frame,

The limiting piece is rotationally arranged on the foot rest, the limiting piece is positioned between the wheel and the foot rest, the limiting piece is provided with a brake part, a movable area is formed between the limiting piece and the foot rest,

The brake piece is movably arranged in the movable area and is used for pushing the brake part to tightly push or cancel to tightly push the wheel after moving.

As a further technical scheme, the brake member is provided with an upper clamping part and a lower clamping part, the upper clamping part is abutted against the top of the support leg frame, and after the brake member moves, the lower clamping part is abutted against or is not abutted against the brake part.

As a further technical scheme, the stand bar is provided with an upper clamping groove and a lower clamping groove, after the brake piece moves, the upper clamping part is clamped in the upper clamping groove, and the lower clamping part is clamped in the lower clamping groove and used for clamping the brake part.

As a further technical proposal, also comprises

The elastic piece is arranged in the movable area, one end of the elastic piece is connected with the top of the support leg frame, the other end of the elastic piece is connected with the limiting piece, and the elastic piece provides force for the braking part to be far away from the wheels.

As a further technical scheme, the stand bar is provided with two hook parts and a blocking part, the two hook parts, the blocking part, the limiting piece and the top of the stand bar form a movable area, the limiting piece is rotatably arranged on the hook parts, and after the brake piece moves, the upper clamping part is abutted or cancelled to be abutted to the blocking part.

As a further technical solution, the wheel rotation axis is parallel to the limiter rotation axis.

As a further technical scheme, the limiting piece is further provided with a pedal part, and the pedal part is positioned on one side of the support leg frame.

As a further technical scheme, the limiting piece and the brake piece are plastic pieces.

As a further technical proposal, also comprises

And the mounting piece is arranged at the top of the support leg frame.

The beneficial effects of the utility model are as follows:

According to the utility model, the scheme replaces the traditional pedal braking plate, the rotating limiting piece and the braking piece movably arranged in the movable area are used for realizing rapid braking of the wheel, and the continuous braking state can be realized. In the normal running process, the brake piece is limited in an active area between the limit piece and the support leg frame, and because the limit piece rotates, force for enabling the brake piece to move is manually applied to the brake piece when the brake piece is braked, such as trampling or pushing and pulling, so that the position of the brake piece in the active area is changed, the limit piece is pushed to rotate, the brake part pushes against the wheels to start braking, and at the moment, the brake piece is tightly clamped in the current position, so that the brake state can be continuously maintained without manually providing force for enabling the brake piece to move; when the brake piece breaks away from the position clamped down again, the wheel is not tightly propped by the brake part, but the limiting piece still can be arranged at the gravity center of the brake part, so that the brake part is always propped against the wheel, the brake part is rubbed, in order to prolong the service life of the brake part, the elastic piece can be preferentially arranged at one end of the limiting piece, the elastic piece provides resetting capability, the brake part on the limiting piece can be guaranteed to be separated from the wheel when the brake piece breaks away from the position clamped down again, the brake piece is well kept in the movable area, and the brake piece can be clamped at the position in the braking state only when the force for changing the position of the brake piece is considered to be larger than the force of the elastic piece.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of a first view of a wheel with a brake structure according to the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present utility model;

FIG. 3 is a schematic view of a brake state of a brake member according to the present utility model;

FIG. 4 is a schematic view showing a brake release state according to the present utility model;

FIG. 5 is a schematic view of a second view of a wheel with a braking structure according to the present utility model;

FIG. 6 is an enlarged view of portion B of FIG. 5 in accordance with the present utility model;

In the figure: 1. the bicycle comprises a foot rest, 2, wheels, 3, a limiting part, 4, a braking part, 5, a movable area, 6, a braking part, 7, an upper clamping part, 8, a lower clamping part, 9, an elastic part, 10, a hook part, 11, a blocking part, 12, a pedal part, 13, a mounting part, 14, an upper clamping groove, 15 and a lower clamping groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-2, the present embodiment provides a wheel with a braking structure, which comprises a stand 1, a wheel 2, a limiting member 3 and a braking member 6,

The tripod 1 is in an inverted U shape and comprises a top wall and two opposite side walls, the upper ends of the two side walls are respectively and fixedly arranged at the two ends of the top wall,

The wheel 2 is provided with a wheel shaft, two ends of the wheel shaft are respectively rotatably arranged at the lower ends of two side walls of the support 1,

The limiting piece 3 is rotatably arranged on the foot rest 1, the limiting piece 3 is positioned between the wheel 2 and the foot rest 1, the limiting piece 3 is provided with a brake part 4, a movable area 5 is formed between the limiting piece 3 and the top wall of the foot rest 1,

The brake piece 6 is movably arranged in the movable area 5, and the brake piece 6 is used for pushing the brake part 4 to tightly press or canceling to tightly press the wheel 2 after moving.

In this embodiment, this scheme replaces traditional pedal braking vane, uses pivoted locating part 3 and the brake piece 6 of activity setting in activity region 5 to realize the quick brake to wheel 2, and can realize being in the braking state constantly. In the normal running process, the brake piece 6 is limited in the movable area 5 between the limit piece 3 and the support leg frame 1, and because the limit piece 3 is rotationally arranged, when the brake piece 6 is braked, force for enabling the brake piece 6 to move is manually applied, such as trampling or pushing and pulling, so that the position of the brake piece 6 in the movable area 5 is changed, the limit piece 3 is pushed to rotate, the brake part 4 is pushed against the wheel 2 to start braking, and at the moment, the brake piece 6 is tightly clamped in the current position, so that the brake state can be continuously maintained without manually continuously providing force for enabling the brake piece 6 to move; when the brake member 6 is separated from the position which is blocked, the wheel 2 is not tightly supported by the brake portion 4 at this moment, but the brake member 3 may still be in contact with the wheel 2 at all times due to the fact that the center of gravity of the brake member 3 is set, so that the brake portion 4 is in friction with the brake portion 4, in order to improve the service life of the brake portion 4, an elastic member 9 is preferably arranged at one end of the brake member 3, the elastic member 9 provides resetting capability, so that when the brake member 6 is separated from the position which is blocked, the brake portion 4 on the brake member 3 is separated from the wheel 2, the brake member 6 is well kept in the active area 8, and the brake member 6 is blocked at the position under the braking state only if the force for changing the position of the brake member 6 is considered to be greater than the force of the elastic member 9.

As shown in fig. 3 to 4, the brake 6 has an upper locking portion 7 and a lower locking portion 8, the upper locking portion 7 abuts against the top wall of the stand 1, and after the brake 6 moves, the lower locking portion 8 abuts against or cancels abutting against the brake 4.

Further, the top wall of the tripod 1 is provided with an upper clamping groove 14, the limiting piece 3 is provided with a U-shaped lower clamping groove 15, the U-shaped lower clamping groove 15 is positioned above the brake part 4, after the brake piece 6 moves, the upper clamping part 7 is clamped in the upper clamping groove 14, and the lower clamping part 8 is clamped in the U-shaped lower clamping groove 15 for clamping the brake part 4.

Further, also include

The elastic piece 9 is arranged in the movable area 5, one end of the elastic piece 9 is connected with the top wall of the tripod 1, the other end of the elastic piece 9 is connected with one end of the limiting piece 3, which is far away from the U-shaped lower clamping groove 15, and the elastic piece 9 provides force for the braking part 4 to be far away from the wheel 2.

In this embodiment, fig. 3 is a braking state, and fig. 4 is a normal running state; in order to facilitate the brake member 6 to be clamped at the corresponding position under the action of external force and keep the braking state, the top wall of the tripod 1 is provided with an upper clamping groove 14, the limiting member 3 is provided with a U-shaped lower clamping groove 15, under the normal running state, one side of the brake member 6 is jacked up by one side of the U-shaped lower clamping groove 15 due to the elasticity of the elastic member 9, at the moment, the upper clamping part 7 is directly abutted against the top wall of the tripod 1, the lower clamping part 8 is not abutted against the U-shaped lower clamping groove 15, and the brake part 4 is tilted and is not abutted against the wheel 2; when the bicycle is converted into a braking state, the lower clamping part 8 is pressed down and abutted against the U-shaped lower clamping groove 15 by manually providing the movable force of the brake member 6 through stepping or pushing and pulling, and at the moment, the acting force between the upper clamping part 7 and the top wall of the tripod 1 is larger and larger due to the reaction force of the elastic member 9 until the whole length of the brake member 6 is equal to the maximum distance between the upper clamping groove 14 and the U-shaped lower clamping groove 15, namely, the upper clamping part 7 is clamped in the upper clamping groove 14, the lower clamping part 8 is clamped in the U-shaped lower clamping groove 15, so that the wheel jacking operation of the brake member 4 is completed, and the bicycle can normally run under the reset action of the elastic member 9 only by providing the force of the brake member 6 which is separated from the clamping state.

As shown in fig. 2 to 6, the stand 1 further has two hook portions 10 and one blocking portion 11, and a movable area 5 is formed between the two hook portions 10, the one blocking portion 11, the stopper 3 and the top of the stand 1, the stopper 3 is rotatably disposed on the hook portion 10, and after the brake 6 moves, the upper locking portion 7 abuts against or cancels the abutment blocking portion 11.

In this embodiment, the two hook portions 10 are disposed, on one hand, to form a movable area 5 with the stop portion 11, the limiting frame and the top of the stand 1, so as to ensure stable movement of the brake member 6 therein, and on the other hand, to provide stable rotation positions for the limiting member 3.

Further, the rotational axis direction of the wheel 2 is parallel to the rotational axis direction of the stopper 3.

Further, the limiting piece 3 is further provided with a pedal part 12, and the pedal part 12 is positioned on one side of the tripod 1.

In this embodiment, the rotation axes of the wheel 2 and the limiting member 3 are parallel to each other, so as to better ensure the braking effect, and facilitate the operation of people, which is similar to the design of the pedal portion 12.

Further, the limiting piece 3 and the brake piece 6 are both plastic pieces.

In the embodiment, the plastic product reduces the cost on one hand, and is also used normally enough on the other hand, so that the stable braking requirement of the wheel is ensured.

Further, also include

And the mounting piece 13 is arranged at the top of the support leg frame 1.

In this embodiment, the mounting member 13 is provided to facilitate connection of the wheel 2 to the cart.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A wheel having a braking structure, comprising:

a supporting foot stand (1),

The wheels (2) are rotatably arranged on the support leg frames (1),

The limiting piece (3) is rotationally arranged on the support leg frame (1), the limiting piece (3) is positioned between the wheel (2) and the support leg frame (1), the limiting piece (3) is provided with a brake part (4), a movable area (5) is formed between the limiting piece (3) and the support leg frame (1),

The brake piece (6) is movably arranged in the movable area (5), and the brake piece (6) is used for pushing the brake part (4) to tightly push or canceling to tightly push the wheel (2) after moving.

2. The wheel with the brake structure according to claim 1, characterized in that the brake member (6) is provided with an upper clamping part (7) and a lower clamping part (8), the upper clamping part (7) is abutted against the top of the support leg frame (1), and after the brake member (6) moves, the lower clamping part (8) is abutted against or cancelled from being abutted against the brake part (4).

3. The wheel with the brake structure according to claim 2, wherein the stand (1) has an upper locking groove (14) and a lower locking groove (15), the upper locking portion (7) is locked in the upper locking groove (14) after the brake member (6) moves, and the lower locking portion (8) is locked in the lower locking groove (15) for locking the brake portion (4).

4. A wheel having a brake structure as defined in claim 1, further comprising:

elastic component (9) are arranged in movable region (5), elastic component (9) one end is connected stabilizer blade frame (1) top, and the other end is connected locating part (3), elastic component (9) provide brake portion (4) keep away from the power of wheel (2).

5. The wheel with the brake structure according to claim 2, wherein the stand (1) is provided with two hook parts (10) and a blocking part (11), the two hook parts (10), one blocking part (11), the limiting piece (3) and the top of the stand (1) form the movable area (5), the limiting piece (3) is rotatably arranged on the hook parts (10), and after the brake piece (6) moves, the upper clamping part (7) is abutted or not abutted against the blocking part (11).

6. A wheel with a braking structure according to claim 1, characterized in that the wheel (2) rotational axis is parallel to the rotational axis of the stop (3).

7. A wheel with a brake arrangement according to claim 1, characterized in that the stop element (3) also has a pedal part (12), which pedal part (12) is located on the side of the foot rest (1).

8. A wheel with a braking structure according to claim 1, characterized in that the stop element (3) and the braking element (6) are both plastic parts.

9. A wheel having a brake structure as defined in claim 1, further comprising:

the mounting piece (13) is arranged at the top of the support leg frame (1).