CN215321772U

CN215321772U - Caster wheel of pressure brake

Info

Publication number: CN215321772U
Application number: CN202120280628.7U
Authority: CN
Inventors: 麦景涛
Original assignee: Guangdong Youlis Precision Technology Co ltd
Current assignee: Guangdong Youlis Precision Technology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-12-28
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a caster wheel of a compression brake, which comprises an inserted link, wherein clamp springs are arranged on two sides of the inserted link, and a limiting block is arranged below the clamp springs and fixedly connected to two sides of the inserted link; through be provided with the spring in the main bone, the bottom of spring is provided with the briquetting, the inboard of briquetting is provided with the round through-hole, the horizontal pole sets up in the inboard of round through-hole, the equal fixedly connected with truckle in both ends of horizontal pole, when the inserted bar receives pressure, the inserted bar drives truckle shell downstream, drive main bone downstream promptly, briquetting downstream in the main bone, the bottom of briquetting is provided with the slope and appears protrudingly, the same position of truckle below is provided with the concave tooth of slope shape, when receiving pressure, the slope is protruding with chucking slope concave tooth of slope shape, make the truckle stop, reach the effect of brake, this device simple structure, high durability and convenient use, the people can prevent to slide when sitting down, the security obtains very big improvement, specific truckle market requirement has been satisfied.

Description

Caster wheel of pressure brake

Technical Field

The utility model belongs to the technical field of casters, and particularly relates to a caster for a pressure brake.

Background

The truckle is a general term, it includes activity truckle, truckle and activity area brake truckle, the truckle is also the universal wheel that we say that the activity truckle, its structure allows 360 degrees rotations, fixed truckle is also called directional truckle, it does not have revolution mechanic, can not rotate, two kinds of truckles are generally collocation usefulness, for example the structure of handcart is preceding two directional wheels, be close to behind the pushing handrail two universal wheels, the truckle has the truckle of multiple material, like pp truckle, PVC truckle, PU truckle, cast iron truckle, nylon truckle, TPR truckle, iron core nylon truckle, iron core PU truckle etc..

The brake device of the existing fixed caster wheel mainly brakes by means of friction force, the brake is carried out by means of friction of a brake pad on a wheel or a hub, when the brake pad is used for braking for a long time, the abrasion degree of the brake pad can be accelerated, the reliability of the caster wheel is reduced, the reaction is more and more insensitive, and finally the caster wheel fails.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to overcome the existing defects, and provide a caster wheel braked under pressure, so as to solve the problems that the existing brake device for fixing the caster wheel proposed in the background art mainly brakes by means of friction force, brakes by means of a brake pad to rub a wheel or a hub, and when the brake pad is used for braking for a long time, the abrasion degree of the brake pad is accelerated, the reliability of the caster wheel is reduced, and the reaction is less and less sensitive and finally fails.

In order to achieve the purpose, the utility model provides the following technical scheme: a caster of a pressure brake comprises an insertion rod, wherein clamp springs are arranged on two sides of the insertion rod, a limiting block is arranged below each clamp spring, the limiting blocks are fixedly connected on two sides of the insertion rod, a fixing frame is fixedly connected to the bottom end of the insertion rod, a mounting frame is fixedly connected to one side of the fixing frame, the insertion rod is slidably connected to the inner side of the mounting frame, a caster shell is fixedly connected to the bottom end of the fixing frame, a main bone is fixedly connected to the bottom end of the fixing frame, a spring is arranged on the inner side of the main bone, one end of the spring is fixedly connected to the top end of the inner side of the main bone, the other end of the spring is fixedly connected to the top end of a pressing block, the pressing block is arranged on the inner side of the main bone, a slope-shaped protrusion is fixedly connected to the bottom end of the pressing block, a round through hole is arranged on the inner side of the pressing block, a cross rod is arranged on the inner side of the round through hole, and casters are fixedly connected to two ends of the cross rod, the inner side of the caster wheel is evenly provided with slope-shaped concave teeth.

Preferably, the bottom both sides of mount all fixedly connected with truckle shell, both sides the inside of truckle shell all is provided with the truckle.

Preferably, the both ends of horizontal pole are the equal fixedly connected with horizontal center, both sides the horizontal center is all rotated and is connected in the outside of swivel becket, both sides the swivel becket all sets up in the inboard of truckle shell.

Preferably, the inboard of mounting bracket is provided with the fixture block, the inserted bar passes through the fixture block and connects in the inboard of mounting bracket, the bottom fixedly connected with buffer block of mounting bracket, the bottom of inserted bar sets up in the outside of buffer block.

Preferably, the main frame is disposed between the caster housings at both sides.

Preferably, the ramp-shaped protrusion and the ramp-shaped concave tooth are matched with each other.

Preferably, the cross bar is slidably connected to the inner side of the circular through hole.

Compared with the prior art, the utility model provides a caster wheel of a compression brake, which has the following beneficial effects:

according to the utility model, the spring is arranged in the main rib, the pressing block is arranged at the bottom end of the spring, the round through hole is formed in the inner side of the pressing block, the cross rod is arranged on the inner side of the round through hole, the trundles are fixedly connected to two ends of the cross rod, when the inserting rod is under pressure, the inserting rod drives the trundle shell to move downwards, namely, the main rib is driven to move downwards, the pressing block in the main rib moves downwards, the slope-shaped protrusion is arranged at the bottom end of the pressing block, the slope-shaped concave teeth are arranged at the same position of the lower trundles, and when the pressure is applied, the slope-shaped protrusion tightly clamps the slope-shaped concave teeth to stop the trundles, so that the braking effect is achieved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

fig. 1 is a schematic front view of a caster wheel of a pressure brake according to the present invention;

FIG. 2 is a schematic side view of a caster with a compression brake according to the present invention;

FIG. 3 is a schematic cross-sectional view of a caster wheel of a compression brake according to the present invention;

FIG. 4 is a schematic cross-sectional side view of a caster with a compression brake according to the present invention;

FIG. 5 is a schematic structural view of a caster wheel of a compression brake according to the present invention at rest;

fig. 6 is a schematic structural view of a caster wheel of a compression brake according to the present invention.

In the figure: the device comprises an inserted bar 1, a clamp spring 2, a limiting block 3, an installation frame 4, a fixing frame 5, a caster shell 6, a caster 7, a main frame 8, a clamping block 9, a buffer block 10, a spring 11, a pressing block 12, a round through hole 13, a slope-shaped protrusion 14, a slope-shaped concave tooth 15, a cross bar 16, a transverse center 17 and a rotating ring 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a caster wheel of a pressure brake comprises an inserting rod 1, wherein clamp springs 2 are arranged on two sides of the inserting rod 1, a limiting block 3 is arranged below each clamp spring 2, the limiting blocks 3 are fixedly connected on two sides of the inserting rod 1, a fixing frame 5 is fixedly connected at the bottom end of the inserting rod 1, a mounting frame 4 is fixedly connected on one side of the fixing frame 5, the inserting rod 1 is slidably connected on the inner side of the mounting frame 4, a caster wheel shell 6 is fixedly connected at the bottom end of the fixing frame 5, a main framework 8 is fixedly connected at the bottom end of the fixing frame 5, a spring 11 is arranged on the inner side of the main framework 8, one end of the spring 11 is fixedly connected at the top end of the inner side of the main framework 8, the other end of the spring 11 is fixedly connected at the top end of a pressing block 12, the pressing block 12 is arranged on the inner side of the main framework 8, a slope-shaped bulge 14 is fixedly connected at the bottom end of the pressing block 12, a round through hole 13 is arranged on the inner side of the round through hole 13, a cross rod 16 is arranged on the inner side of the round through hole, and two ends of the cross rod 16 are fixedly connected with caster wheels 7, the inner sides of the trundles 7 are uniformly provided with slope-shaped concave teeth 15, the spring 11 is arranged in the main frame 8, the bottom end of the spring 11 is provided with a pressing block 12, the inner side of the pressing block 12 is provided with a round through hole 13, the cross rod 16 is arranged on the inner side of the round through hole 13, the two ends of the cross rod 16 are fixedly connected with the trundles 7, when the inserted link 1 is pressed, the inserted link 1 drives the trundle shell 6 to move downwards, namely, the main frame 8 is driven to move downwards, the pressing block 12 in the main frame 8 moves downwards, the bottom end of the pressing block 12 is provided with a slope-shaped protrusion 14, the same position of the caster 7 at the lower part is provided with a slope-shaped concave tooth 15, when receiving pressure, slope shape is protruding 14 will chucking slope shape concave tooth 15 for the truckle stops, reaches the effect of brake, and this device simple structure, convenient to use can prevent to slide when the people sits down, and the security obtains very big improvement, has satisfied specific truckle market requirement.

In the utility model, preferably, both sides of the bottom end of the fixed frame 5 are fixedly connected with caster housings 6, the inner parts of the caster housings 6 are respectively provided with casters 7, both ends of the cross rod 16 are respectively fixedly connected with a transverse center 17, the transverse centers 17 are respectively rotatably connected with the outer sides of the rotating rings 18, the rotating rings 18 are respectively arranged on the inner sides of the caster housings 6, the inner side of the mounting frame 4 is provided with a fixture block 9, the inserted rod 1 is connected with the inner side of the mounting frame 4 in a clamping manner through the fixture block 9, the bottom end of the mounting frame 4 is fixedly connected with a buffer block 10, the bottom end of the inserted rod 1 is arranged on the outer side of the buffer block 10, the inserted rod 1 is connected with the inner side of the mounting frame 4 in a clamping manner through the fixture block 9 by arranging the fixture block 9 on the inner side of the mounting frame 4, the bottom end of the mounting frame 4 is fixedly connected with the buffer block 10, the bottom end of the inserted rod 1 is arranged on the outer side of the buffer block 10, thereby facilitating the installation of the inserted rod 1 to the inner side of the fixture block 9, the arrangement of the buffer block 10 can prevent the inserted bar 1 from generating hard collision in the mounting rack 4, and the service life of the inserted bar 1 is prolonged.

In the utility model, preferably, the main frame 8 is arranged between the caster shells 6 on two sides, the slope-shaped protrusion 14 and the slope-shaped concave tooth 15 are matched with each other, and the slope-shaped protrusion 14 and the slope-shaped concave tooth 15 are matched with each other, so that the slope-shaped protrusion 14 and the slope-shaped concave tooth 15 can be quickly clamped to stop the rotation of the caster 7 when the inserted bar 1 is pressed downwards, and the braking effect is achieved.

In the utility model, preferably, the cross rod 16 is slidably connected to the inner side of the circular through hole 13, the casters 7 are fixedly connected to two sides of the cross rod, the casters 7 are attached to the ground, so that when the casters 7 are under pressure, the casters 7 compress the cross rod 16, the cross rod 16 slides in the circular through hole 13, the circular through hole 13 is arranged on the inner side of the pressing block 12, the pressing block 12 faces downwards, and the slope-shaped protrusions 14 are clamped with the slope-shaped concave teeth 15 to stop the rotation of the casters 7, thereby achieving the braking effect.

The working principle and the using process of the utility model are as follows:

when the device is used, the top end of the inserted rod 1 is fixedly connected to a device needing to use the caster, the bottom end of the inserted rod 1 is inserted into the mounting frame 4, a clamping block 9 is arranged inside the mounting frame 4, grooves matched with the clamping block 9 are arranged at two ends of the mounting frame 4, the grooves at the bottom end of the inserted rod 1 are clamped into the clamping block 9, the bottom end of the mounting frame 5 is fixedly connected with a main frame 8, a spring 11 is arranged in the main frame 8, a pressing block 12 is arranged at the bottom end of the spring 11, a round through hole 13 is arranged on the inner side of the pressing block 12, a cross rod 16 is arranged on the inner side of the round through hole 13, caster wheels 7 are fixedly connected at two ends of the cross rod 16, the caster wheels 7 are arranged on the inner side of a caster wheel shell 6, when the inserted rod 1 is under pressure, the inserted rod 1 drives the caster wheel shell 6 to move downwards, namely, the main frame 8 is driven to move downwards, the caster wheels 7 are attached to the ground, the cross rod 16 slides upwards in the round through hole 13, the pressing block 12 in the main frame 8 moves downwards, the bottom of briquetting 12 is provided with slope shape protrudingly 14, and the same position of truckle 7 of below is provided with slope shape concave tooth 15, and when receiving pressure, slope shape protrudingly 14 will chucking slope shape concave tooth 15 for the truckle stops, reaches the effect of brake, this device simple structure, convenient to use, the people can prevent to slide when sitting down, and the security obtains very big improvement, has satisfied specific truckle market requirement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a truckle of pressurized brake, includes inserted bar (1), its characterized in that: the clamping springs (2) are arranged on two sides of the inserted rod (1), the limiting block (3) is arranged below the clamping springs (2), the limiting block (3) is fixedly connected to two sides of the inserted rod (1), the fixing frame (5) is fixedly connected to the bottom end of the inserted rod (1), the mounting frame (4) is fixedly connected to one side of the fixing frame (5), the inserted rod (1) is slidably connected to the inner side of the mounting frame (4), the caster shell (6) is fixedly connected to the bottom end of the fixing frame (5), the main frame (8) is fixedly connected to the bottom end of the fixing frame (5), the spring (11) is arranged on the inner side of the main frame (8), one end of the spring (11) is fixedly connected to the top end of the inner side of the main frame (8), the other end of the spring (11) is fixedly connected to the top end of the pressing block (12), and the pressing block (12) is arranged on the inner side of the main frame (8), the bottom fixedly connected with slope shape of briquetting (12) is protruding (14), the inboard of briquetting (12) is provided with round through-hole (13), the inboard of round through-hole (13) is provided with horizontal pole (16), equal fixedly connected with truckle (7) in both ends of horizontal pole (16), the inboard of truckle (7) evenly is provided with slope shape concave tooth (15).

2. A pressure-braked caster as claimed in claim 1, wherein: the bottom both sides of mount (5) all fixedly connected with truckle shell (6), both sides the inside of truckle shell (6) all is provided with truckle (7).

3. A pressure-braked caster as claimed in claim 1, wherein: the equal fixedly connected with horizontal core (17) in both ends of horizontal pole (16), both sides horizontal core (17) all rotate to be connected in the outside of swivel becket (18), both sides swivel becket (18) all set up in the inboard of truckle shell (6).

4. A pressure-braked caster as claimed in claim 1, wherein: the inboard of mounting bracket (4) is provided with fixture block (9), inserted bar (1) is connected in the inboard of mounting bracket (4) through fixture block (9) block, the bottom fixedly connected with buffer block (10) of mounting bracket (4), the bottom of inserted bar (1) sets up in the outside of buffer block (10).

5. A pressure-braked caster as claimed in claim 1, wherein: the main frame (8) is arranged between the caster shells (6) on the two sides.

6. A pressure-braked caster as claimed in claim 1, wherein: the slope-shaped protrusion (14) and the slope-shaped concave tooth (15) are matched with each other.

7. A pressure-braked caster as claimed in claim 1, wherein: the cross rod (16) is connected to the inner side of the round through hole (13) in a sliding mode.