CN219096408U

CN219096408U - Caster with brake

Info

Publication number: CN219096408U
Application number: CN202223612225.1U
Authority: CN
Inventors: 林隆波; 林一明
Original assignee: Foshan Houheng Hardware And Plastic Products Co ltd
Current assignee: Foshan Houheng Hardware And Plastic Products Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-05-30
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to a caster with a brake, which comprises a bottom shell, a connecting plate, wheels and a brake assembly, wherein the bottom shell is provided with a wheel accommodating cavity for accommodating the wheels, the wheels are arranged in the wheel accommodating cavity in a rotating manner, the connecting plate is provided with a connecting hole, the top of the bottom shell is provided with a connecting column, the connecting column penetrates through the connecting hole and extends out of the connecting plate to be connected with a cap, and the bottom shell rotates by taking the connecting hole as a rotation center; the brake part is clung to form great frictional force on the wheel, prevents the wheel rotation, realizes the brake, and the operation is very simple, and when user's foot left the pedal trample portion, the flexible metal sheet deformation resumes initial condition moreover, and the wheel is kept away from to the brake part of flexible metal sheet, and the wheel can freely rotate, easy operation, and the braking is effectual.

Description

Caster with brake

Technical Field

The utility model relates to a caster with a brake.

Background

Casters are a generic term and include movable casters, fixed casters and movable casters with brakes. The movable castor is also called a universal wheel, and the structure of the movable castor allows 360 degrees of rotation; the fixed castor is also called a directional castor, which has no rotating structure and can not rotate. Generally, two casters are matched for use, for example, a handcart has a structure that two directional wheels are arranged at the front, two universal wheels are arranged at the rear and are close to a pushing handrail, the existing movable caster with a brake is complex in structure and poor in brake effect, and the requirements of users cannot be met.

Disclosure of Invention

The utility model aims to provide a caster with a brake, which has a brake function and a simple structure.

The purpose of the utility model is realized in the following way:

the utility model provides a take truckle of brake, includes drain pan, connecting plate, wheel and brake subassembly, the drain pan is opened and is used for holding the wheel holding chamber of wheel, the wheel sets up in the wheel holding intracavity with the rotation mode, the connecting plate is opened and is had the connecting hole, the drain pan top is provided with the spliced pole, the spliced pole passes the connecting hole and stretches out the connecting plate and be connected with the cap outward, the drain pan is rotatory with the connecting hole as the center of rotation;

the brake assembly comprises a pedal and a flexible metal plate, wherein a shaft rod is arranged at the top of a wheel accommodating cavity of the bottom shell above the wheels, a transverse channel is arranged at the position, close to the upper end, of the flexible metal plate, an upper pressing part is formed at the part, located above the transverse channel, of the flexible metal plate, a brake part is formed at the part, located below the transverse channel, of the flexible metal plate, the shaft rod penetrates through the transverse channel, the flexible metal plate rotates by taking the shaft rod as a rotation center, the brake part extends out towards the bottom of the wheel accommodating cavity, the upper pressing part abuts against the inner wall of the top of the wheel accommodating cavity, and the rotation range of the flexible metal plate is limited by the upper pressing part;

the pedal plate extends out of the pressing part towards the flexible metal plate, and extends out of the stepping part towards the bottom shell.

When the user needs to brake, the user steps on the portion of stepping on of running-board, leads to the running-board rotatory, and the portion of pushing down of running-board promotes flexible metal sheet and produces deformation and move towards the wheel direction, until the brake portion hugs closely and forms great frictional force on the wheel, blocks the wheel rotation, realizes the brake, and the operation is very simple, and when the foot of user leaves the portion of stepping on of running-board, flexible metal sheet deformation resumes initial condition, and the wheel is kept away from to the brake portion of flexible metal sheet, and the wheel can freely rotate, easy operation, and the braking is effectual.

The aim of the utility model can be also solved by adopting the following technical measures:

further, the flexible metal plate is hollowed out corresponding to the position of the pressing part, an elastic brake pad is arranged at the hollowed-out position, the lower end of the elastic brake pad is connected to the hollowed-out position, and the elastic brake pad swings by taking the lower end of the elastic brake pad as a rotation center.

When the pedal rotates, the pressing part of the pedal pushes the elastic brake pad to be clung to the wheel to form larger friction force to prevent the wheel from rotating, so that braking is realized, if the elastic brake pad is worn due to excessive braking times, a user continues to tread the pedal, the pedal further rotates, the pedal pushes the brake part of the flexible metal plate to be clung to the wheel to form larger friction force to prevent the wheel from rotating, and braking is realized, so that the dual-braking function is realized, and the braking effect of the caster is greatly improved.

Further, the pedal plate is provided with a jack, the jack penetrates through the opening and the jack to be locked on the bottom shell, and the pedal plate rotates by taking the jack as a rotation center.

Further, the elastic brake pad is a flexible metal sheet, and a rubber jacket is sleeved on the flexible metal sheet. The flexible metal sheet has good elastic effect, meanwhile, the friction coefficient of the rubber sleeve is higher, when the brake is applied, the flexible metal sheet deforms to push the rubber sleeve to be clung to the wheel, the brake is completed, after the brake is finished, the flexible metal sheet is restored to an initial state, and the flexible metal sheet drives the rubber sleeve to be far away from the wheel, so that the wheel is not hindered from rotating.

The beneficial effects of the utility model are as follows:

according to the utility model, when a user needs to brake, the user steps on the stepping part of the pedal to cause the pedal to rotate, the pressing part of the pedal pushes the flexible metal plate to deform and move towards the wheel until the braking part is clung to the wheel to form larger friction force to prevent the wheel from rotating, so that the braking is realized, the operation is very simple, when the foot of the user leaves the stepping part of the pedal, the deformation of the flexible metal plate returns to the initial state, the braking part of the flexible metal plate is far away from the wheel, the wheel can rotate freely, the operation is simple, and the braking effect is good.

According to the utility model, when the pedal rotates, the pressing part of the pedal pushes the elastic brake pad to be clung to the wheel to form larger friction force to prevent the wheel from rotating, so that braking is realized, if the elastic brake pad is worn due to excessive braking times, a user continues to tread the pedal to further rotate, and the pedal pushes the brake part of the flexible metal plate to be clung to the wheel to form larger friction force to prevent the wheel from rotating, so that braking is realized, and therefore, the dual-brake function is realized, and the braking effect of the caster is greatly improved.

Drawings

Fig. 1 is a schematic view of a caster with a brake.

Fig. 2 is another angular schematic view of a caster with a brake.

Fig. 3 is another angular schematic view of a caster with a brake.

Fig. 4 is a left side view of the caster with brake.

Fig. 5 is a cross-sectional view of a caster with a brake.

Fig. 6 is another angular cross-sectional view of the caster with brake.

Detailed Description

The utility model is further described below with reference to the accompanying drawings and examples:

the embodiment, referring to fig. 1 to 6, a caster with brake, comprising a bottom shell 1, a connecting plate 2, wheels 3 and a brake assembly 4, wherein the bottom shell 1 is provided with a wheel accommodating cavity 11 for accommodating the wheels 3, the wheels 3 are rotatably arranged in the wheel accommodating cavity 11, the connecting plate 2 is provided with a connecting hole 21, the top of the bottom shell 1 is provided with a connecting column 12, the connecting column 12 passes through the connecting hole 21 and extends out of the connecting plate 2 to be connected with a cap 13, and the bottom shell 1 rotates by taking the connecting hole 21 as a rotation center;

the brake assembly 4 comprises a pedal 5 and a flexible metal plate 6, wherein a shaft lever 7 is arranged at the top of a wheel accommodating cavity 11 of the bottom shell 1 above the wheels 3, a transverse channel 61 is arranged at the position, close to the upper end, of the flexible metal plate 6, an upper pressing part 62 is formed at the upper part of the transverse channel 61, a brake part 63 is formed at the lower part of the transverse channel 61, the shaft lever 7 penetrates through the transverse channel 61, the flexible metal plate 6 rotates by taking the shaft lever 7 as a rotation center, the brake part 63 extends towards the bottom of the wheel accommodating cavity 11, the upper pressing part 62 abuts against the top inner wall of the wheel accommodating cavity 11, and the upper pressing part 62 limits the rotation range of the flexible metal plate 6;

the side wall of the bottom shell 1 is provided with an opening 8 communicated with the wheel accommodating cavity 11, the pedal 5 is arranged at the opening 8 in a rotating mode, the pedal 5 extends out of the pressing part 51 towards the flexible metal plate 6, and the pedal 5 extends out of the stepping part 52 towards the outside of the bottom shell 1.

Further, the flexible metal plate 6 is hollowed out corresponding to the position of the pressing part 51, an elastic brake pad 9 is arranged at the hollowed-out position, the lower end of the elastic brake pad 9 is connected to the hollowed-out position, and the elastic brake pad 9 swings with the lower end of the elastic brake pad as a rotation center.

Further, the pedal plate 5 is provided with a jack, the jack 10 penetrates through the opening 8 and is locked on the bottom shell 1, and the pedal plate 5 rotates by taking the jack 10 as a rotation center.

Further, the elastic brake pad 9 is a flexible metal sheet, and a rubber jacket 91 is sleeved on the flexible metal sheet.

Working principle:

the connecting plate 2 is fixed at the bottom of the handcart, so that the caster can be mounted, and the caster can rotate around the connecting hole 21 as a rotation center, so that universal movement of the caster is realized.

When a user needs to brake, the user steps on the stepping part 52 of the pedal 5, the pedal 5 rotates, the pressing part 51 of the pedal 5 moves towards the hollowed part of the brake part 63 and pushes the elastic brake pad 9 to move towards the wheel 3 until the elastic brake pad 9 is tightly attached to the wheel 3, and the braking is completed.

Because the elastic brake pad 9 is sleeved with the rubber sleeve 91, the friction coefficient of the rubber sleeve 91 is larger, and the rubber sleeve 91 contacts the wheel 3 to generate larger friction force, so that the wheel 3 can rapidly stop rotating, and the braking effect is good.

Moreover, the elastic brake pad 9 adopts an elastic metal sheet, when the foot of a user leaves the pedal 5, the elastic metal sheet is reset, and the elastic brake pad 9 is quickly restored to the initial position to be far away from the wheel 3, so that the rotation of the wheel 3 is not hindered.

After the number of times of braking is more, the elastic brake pad 9 is worn, so that the braking effect is reduced, at the moment, the user further steps on the pedal 5, and the lower pressure plate of the pedal 5 pushes the brake part 63 to move towards the direction of the wheel 3 until the brake part 63 is tightly attached to the wheel 3, so that the dual braking is completed, and the braking effect of the caster is greatly improved.

Claims

1. The utility model provides a take truckle of brake, includes drain pan (1), connecting plate (2), wheel (3) and brake subassembly (4), its characterized in that: the bottom shell (1) is provided with a wheel accommodating cavity (11) for accommodating the wheels (3), the wheels (3) are arranged in the wheel accommodating cavity (11) in a rotating mode, the connecting plate (2) is provided with a connecting hole (21), the top of the bottom shell (1) is provided with a connecting column (12), the connecting column (12) penetrates through the connecting hole (21) to extend out of the connecting plate (2) and is connected with a cap (13), and the bottom shell (1) rotates by taking the connecting hole (21) as a rotation center;

the brake assembly (4) comprises a pedal (5) and a flexible metal plate (6), wherein a shaft lever (7) is arranged at the top of a wheel accommodating cavity (11) above a wheel (3) of the bottom shell (1), a transverse channel (61) is arranged at the position, close to the upper end, of the flexible metal plate (6), an upper pressing part (62) is formed at the part, above the transverse channel (61), of the flexible metal plate (6), a brake part (63) is formed at the part, below the transverse channel (61), of the flexible metal plate (6), the shaft lever (7) penetrates through the transverse channel (61), the flexible metal plate (6) rotates by taking the shaft lever (7) as a rotation center, the brake part (63) extends towards the bottom of the wheel accommodating cavity (11), the upper pressing part (62) abuts against the inner wall at the top of the wheel accommodating cavity (11), and the upper pressing part (62) limits the rotation range of the flexible metal plate (6);

the side wall of the bottom shell (1) is provided with an opening (8) communicated with the wheel accommodating cavity (11), the pedal plate (5) is arranged at the opening (8) in a rotating mode, the pedal plate (5) extends out of the pressing part (51) towards the flexible metal plate (6), and the pedal plate (5) extends out of the stepping part (52) towards the outside of the bottom shell (1).

2. The braked caster of claim 1, wherein: the flexible metal plate (6) corresponds the position fretwork of pushing down portion (51), and fretwork department is provided with elasticity brake block (9), elasticity brake block (9) lower extreme is connected in fretwork department, and elasticity brake block (9) are swung with its lower extreme as center of rotation.

3. The braked caster of claim 1, wherein: the pedal plate (5) is provided with a jack, the jack penetrates through the opening (8) and is locked on the bottom shell (1), and the pedal plate (5) rotates by taking the jack (10) as a rotation center.

4. The braked caster of claim 2, wherein: the elastic brake pad (9) is a flexible metal sheet, and a rubber jacket (91) is sleeved on the flexible metal sheet.