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CN-224224832-U - Brake castor

CN224224832UCN 224224832 UCN224224832 UCN 224224832UCN-224224832-U

Abstract

The utility model discloses a brake castor, which comprises a connecting seat, a roller and a brake assembly. The roller is rotatably connected to the connecting seat. The brake assembly comprises a braking plate and a control plate, wherein the braking plate is slidably connected to a connecting seat, a braking plate is arranged at the upper end of the braking plate, a first limiting part and a second limiting part are arranged on the braking plate, the control plate is eccentrically arranged and rotationally connected to the connecting seat, the control plate is respectively abutted to the first limiting part and the second limiting part, when the control plate rotates along a first direction, the distance between the rotation center of the control plate and the first limiting part is gradually increased, the control plate pushes the braking plate to move upwards to enable the braking plate to be upwards far away from a roller, and when the control plate rotates along a second direction, the distance between the rotation center of the control plate and the second limiting part is gradually increased, and the control plate pushes the braking plate to move downwards to enable the braking plate to be downwards close to and attached to the roller. The brake castor is simple in structure and assembly, does not need to reset a spring, avoids the influence of metal fatigue of the spring on the braking effect, and is long in service life.

Inventors

  • YAN SHICONG
  • LIU YOUWEI
  • CHEN WEN

Assignees

  • 佛山奔宇脚轮股份有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (10)

  1. 1. A brake caster, comprising: A connection base (100); the roller (101) is rotationally connected to the connecting seat (100); Brake subassembly (110), including braking vane (200) and control panel (300), braking vane (200) along upper and lower direction sliding connection in connecting seat (100), the upper end of braking vane (200) is equipped with brake block (201), brake block (201) are located the top of gyro wheel (101), braking vane (200) are equipped with first spacing portion (210) and second spacing portion (220), first spacing portion (210) are located second spacing portion (220) top, control panel (300) eccentric setting and rotate connect in connecting seat (100), control panel (300) are located between first spacing portion (210) and second spacing portion (220), control panel (300) butt respectively in first spacing portion (210) and second spacing portion (220); When the control plate (300) rotates along a first direction, the distance between the rotation center of the control plate (300) and the first limiting part (210) is gradually increased, and the control plate (300) pushes the braking plate (200) to move upwards so that the braking plate (201) is upwards away from the roller (101); When the control plate (300) rotates along the second direction, the distance between the rotation center of the control plate (300) and the second limiting part (220) is gradually increased, and the control plate (300) pushes the braking plate (200) to move downwards so that the braking plate (201) is close to and attached to the roller (101) downwards.
  2. 2. The brake castor according to claim 1, further comprising a rotating shaft (230), wherein the connection base (100) is provided with a first through hole (120), the rotating shaft (230) is simultaneously arranged through the roller (101) and the first through hole (120), the roller (101) and the rotating shaft (230) are coaxially arranged, the rotating shaft (230) is rotatably connected with the roller (101), and the rotating shaft (230) is fixedly connected with the connection base (100).
  3. 3. The brake caster according to claim 2, wherein the rotation shaft (230) is provided through the control plate (300), the control plate (300) is rotatable about an axis of the rotation shaft (230), the brake plate (200) is provided with a first elongated through hole (240) extending in an up-down direction, and the rotation shaft (230) is provided through the first elongated through hole (240).
  4. 4. The brake caster according to claim 1, wherein the connection base (100) is provided with a second elongated through hole (130) extending in the up-down direction, the brake plate (200) is provided with a guide portion (250), and the guide portion (250) is inserted into the second elongated through hole (130).
  5. 5. The brake caster of claim 1, further comprising a first pedal (410) and a second pedal (420), wherein said first pedal (410) is fixedly connected to a front side of said control board (300), and wherein said second pedal (420) is fixedly connected to a rear side of said control board (300).
  6. 6. The brake caster according to claim 1, wherein the outer peripheral wall of the control plate (300) includes an arc-shaped wall (301), the arc-shaped wall (301) being abutted against the lower end of the first stopper portion (210), a distance between the arc-shaped wall (301) and a rotation center of the control plate (300) gradually increasing in the second direction.
  7. 7. The brake caster according to claim 1, wherein an outer peripheral wall of the control plate (300) includes a first wall (310) and a second wall (320), the first wall (310) is located on a front side of the second wall (320), a distance between the first wall (310) and a rotation center of the control plate (300) is larger than a distance between the second wall (320) and the rotation center of the control plate (300), and the second stopper portion (220) gradually abuts against the first wall (310) when the control plate (300) rotates in the second direction, and the first wall (310) pushes the second stopper portion (220) to move downward.
  8. 8. The brake caster of claim 7, wherein a rear end of said first wall (310) is connected to a front end of said second wall (320), and wherein an angle between said first wall (310) and said second wall (320) is an obtuse angle.
  9. 9. The brake castor according to claim 1, wherein the upper end of the connection base (100) is rotatably connected with a connection plate (140), and the connection plate (140) is fixedly mounted on the bottom of the furniture.
  10. 10. The brake castor according to claim 9, wherein the connection plate (140) is provided with a plurality of second through holes (141), the second through holes (141) being distributed along the circumference of the connection plate (140), the second through holes (141) being for connection with bolts.

Description

Brake castor Technical Field The utility model relates to the technical field of casters, in particular to a brake caster. Background Casters are typically attached to a base at the bottom of the piece of furniture or equipment. Casters often have a brake structure that is activated to secure a roller on the caster against further rolling when furniture or equipment is moved to a given position. At present, the caster with the brake generally adopts a spring to control and reset the brake pad, the spring is easy to damage after being used for many times, so that the brake is not firm, and the difficulty of assembling the spring on the caster is high. Disclosure of utility model The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the utility model provides a brake castor. The embodiment of the utility model provides a brake castor, which comprises: a connecting seat; the roller is rotationally connected to the connecting seat; The brake assembly comprises a brake plate and a control plate, wherein the brake plate is connected with the connecting seat in a sliding manner along the up-down direction, a brake block is arranged at the upper end of the brake plate and is positioned above the roller, the brake plate is provided with a first limiting part and a second limiting part, the first limiting part is positioned above the second limiting part, the control plate is eccentrically arranged and rotationally connected with the connecting seat, the control plate is positioned between the first limiting part and the second limiting part, and the control plate is respectively abutted to the first limiting part and the second limiting part; When the control plate rotates along the first direction, the distance between the rotation center of the control plate and the first limiting part is gradually increased, and the control plate pushes the braking plate to move upwards so that the braking plate is upwards far away from the roller; when the control panel rotates along the second direction, the distance between the rotation center of the control panel and the second limiting part is gradually increased, and the control panel pushes the braking plate to move downwards so that the braking plate is close to and attached to the roller downwards. According to some embodiments of the utility model, the brake castor further comprises a rotating shaft, the connecting seat is provided with a first through hole, the rotating shaft is simultaneously arranged through the roller and the first through hole in a penetrating mode, the roller and the rotating shaft are coaxially arranged, the rotating shaft is rotationally connected with the roller, and the rotating shaft is fixedly connected with the connecting seat. According to some embodiments of the utility model, the rotating shaft is arranged on the control board in a penetrating way, the control board can rotate around the axis of the rotating shaft, the braking plate is provided with a first long strip through hole extending along the up-down direction, and the rotating shaft is arranged on the first long strip through hole in a penetrating way. According to some embodiments of the utility model, the connecting seat is provided with a second long strip through hole extending along the up-down direction, and the braking plate is provided with a guiding part, and the guiding part is inserted into the second long strip through hole. According to some embodiments of the utility model, the brake castor further comprises a first pedal fixedly connected to the front side of the control panel and a second pedal fixedly connected to the rear side of the control panel. According to some embodiments of the utility model, the outer peripheral wall of the control plate includes an arc wall, the arc wall abuts against the lower end of the first limiting portion, and the interval between the arc wall and the control plate rotation center gradually increases along the second direction. According to some embodiments of the utility model, the outer peripheral wall of the control plate includes a first wall and a second wall, the first wall is located on the front side of the second wall, a distance between the first wall and the center of rotation of the control plate is larger than a distance between the second wall and the center of rotation of the control plate, when the control plate rotates in the second direction, the second limiting portion gradually abuts against the first wall, and the first wall pushes the second limiting portion to move downwards. According to some embodiments of the utility model, the rear end of the first wall is connected to the front end of the second wall, and the angle between the first wall and the second wall is an obtuse angle. According to some embodiments of the utility model, the upper end of the connecting seat is rotatably connected with a connecting plate, and the connecting pl