CN216507732U

CN216507732U - Height-adjustable truckle of area brake

Info

Publication number: CN216507732U
Application number: CN202123430985.6U
Authority: CN
Inventors: 张文焕; 范琼文
Original assignee: Zhongshan Yuehuang Caster Co ltd
Current assignee: Zhongshan Yuehuang Caster Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-13
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a height-adjustable caster wheel with a brake, which comprises a support, wherein a movable frame capable of moving up and down relative to the support is arranged on the support, an adjusting component for driving the movable frame to move up and down relative to the support is arranged on the support, a wheel body is arranged on the movable frame, and a locking mechanism for locking the wheel body is arranged on the support.

Description

Height-adjustable truckle of area brake

Technical Field

The utility model relates to a height-adjustable caster with a brake.

Background

The truckle is a general name, including activity truckle, fixed truckle and activity area brake truckle, the activity truckle also is the universal wheel that we said, and its structure allows 360 degrees rotations, and fixed truckle is also called directional truckles, and it does not have revolution mechanic, can not rotate, and the truckle is of a great variety, and the structure is various, and the application in the production life is very extensive.

The wheel body of current truckle is because long-term and ground contact friction, and long-term friction can lead to wheel body surface wear, and the diameter of whole wheel body can dwindle gradually, under this kind of condition, can lead to originally can realize the brake with wheel body surface contact's brake equipment or lead to the brake effect to weaken. The existing wheel body is generally required to be replaced by a new wheel body for the situation, and is not practical.

Therefore, a caster with a brake and adjustable height is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the height-adjustable caster with the brake.

The height-adjustable caster with the brake comprises a support, wherein a moving frame capable of moving up and down relative to the support is arranged on the support, an adjusting assembly used for driving the moving frame to move up and down relative to the support is arranged on the support, a wheel body is arranged on the moving frame, and a locking mechanism used for locking the wheel body is arranged on the support.

Preferably, the movable frame is provided with an insertion rail, the support is provided with a longitudinal slot, the insertion rail is movably inserted into the longitudinal slot, the adjusting assembly comprises an adjusting screw rod installed on the support through a bearing, the movable frame is provided with a threaded hole, and the adjusting screw rod is in threaded connection with the threaded hole.

Preferably, a hexagonal column is arranged on the upper end face of the adjusting screw rod.

Preferably, the locking mechanism includes a rotating shaft mounted on the support, a locking plate extending downward is disposed on the lower portion of the rotating shaft, a protruding portion contacting with the surface of the wheel body to achieve braking is disposed on the lower end surface of the locking plate, a pedal extending upward is disposed on the rotating shaft, and a limiting mechanism for limiting rotation of the rotating shaft is disposed on the support.

Preferably, the limiting mechanism comprises a mounting support arranged on the support, an arc plate is arranged on the mounting support, the arc plate and the rotating shaft are coaxially arranged, an elastic column is arranged on the inner wall of the arc plate along the axis of the arc plate, a plurality of arc grooves are uniformly distributed on the outer wall of the rotating shaft along the axis of the rotating shaft, and the elastic column is embedded into any one of the arc grooves.

Preferably, the elastic column is made of rubber.

The wheel body locking device has the advantages of simple and reasonable structure, good practicability and long service life, and compared with the prior art, the wheel body locking device comprises a support, wherein a moving frame capable of moving up and down relative to the support is arranged on the support, an adjusting assembly for driving the moving frame to move up and down relative to the support is arranged on the support, a wheel body is arranged on the moving frame, and a locking mechanism for locking the wheel body is arranged on the support.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

Detailed Description

The utility model is further described with reference to the following figures and examples.

Referring to fig. 1 to 5, a height-adjustable caster with a brake comprises a support 10, wherein a moving frame 20 capable of moving up and down relative to the support 10 is arranged on the support 10, an adjusting assembly 40 for driving the moving frame 20 to move up and down relative to the support 10 is arranged on the support 10, a wheel body 30 is arranged on the moving frame 20, and a locking mechanism 50 for locking the wheel body 30 is arranged on the support 10.

Referring to fig. 4, the movable frame 20 is provided with an insertion rail 210, the support 10 is provided with a longitudinal insertion slot 110, the insertion rail 210 is movably inserted into the longitudinal insertion slot 110, the adjusting assembly 40 includes an adjusting screw 410 mounted on the support 10 through a bearing 420, the movable frame 20 is provided with a threaded hole, the adjusting screw 410 is in threaded connection with the threaded hole, that is, by twisting the adjusting screw 410, since the adjusting screw 410 cannot move up and down, the movable frame 20 can be driven to move up and down relative to the support 10 under the matching of the insertion rail 210 and the longitudinal insertion slot 110, and the structure is simple and meets the use requirement.

Referring to fig. 4, a hexagonal column 430 is disposed on an upper end surface of the adjusting screw 410, so that a tool such as a wrench can be used to drive the hexagonal column 430 to twist to drive the adjusting screw 410 to rotate.

Referring to fig. 5, the locking mechanism 50 includes a rotating shaft 510 mounted on the support 10, a locking plate 520 extending downward is disposed at a lower portion of the rotating shaft 510, a protrusion 530 contacting with the surface of the wheel 30 to implement braking is disposed on a lower end surface of the locking plate 520, a pedal 540 extending upward is disposed on the rotating shaft 510, a limiting mechanism 500 for limiting rotation of the rotating shaft 510 is disposed on the support 10, that is, the pedal 540 is stepped downward to drive the rotating shaft 510 to rotate downward, so as to drive the locking plate 520 to contact with the wheel 30, and the protrusion 530 presses against the surface of the wheel 30 to implement locking braking.

Referring to fig. 5, the limiting mechanism 500 includes a mounting bracket 580 disposed on the bracket 10, the mounting bracket 580 is provided with an arc-shaped plate 560, the arc-shaped plate 560 and the rotating shaft 510 are coaxially disposed, an elastic column 570 is disposed on an inner wall of the arc-shaped plate 560 along an axis thereof, a plurality of arc-shaped grooves 550 are uniformly disposed on an outer wall of the rotating shaft 510 along the axis thereof, the elastic column 570 is embedded in any one of the arc-shaped grooves 550, that is, when the rotating shaft 510 is driven by the pedal 540 to rotate, during the rotation of the rotating shaft 510, the elastic column 570 originally located in the arc-shaped groove 550 is deformed, and is separated from the original arc-shaped groove and then enters the next arc-shaped groove, so as to limit the rotating shaft and prevent the rotating shaft from rotating randomly.

In the present invention, the elastic column 570 is made of rubber.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model, the terms "first" and "second" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a truckle of height-adjustable area brake, is including support (10), its characterized in that: the wheel body locking mechanism is characterized in that a movable frame (20) capable of moving up and down relative to the support (10) is arranged on the support (10), an adjusting component (40) capable of moving up and down relative to the support (10) is arranged on the support (10), a wheel body (30) is installed on the movable frame (20), and a locking mechanism (50) used for locking the wheel body (30) is arranged on the support (10).

2. The caster with brake of claim 1, wherein: the movable rack is characterized in that an inserting rail (210) is arranged on the movable rack (20), a longitudinal slot (110) is formed in the support (10), the inserting rail (210) is movably inserted into the longitudinal slot (110), the adjusting assembly (40) comprises an adjusting screw rod (410) which is installed on the support (10) through a bearing (420), a threaded hole is formed in the movable rack (20), and the adjusting screw rod (410) is in threaded connection with the threaded hole.

3. The caster with brake of claim 2, wherein: and a hexagonal column (430) is arranged on the upper end face of the adjusting screw rod (410).

4. A height adjustable braked caster according to any one of claims 1 to 3, wherein: locking mechanical system (50) are including installing pivot (510) on support (10), the lower part of pivot (510) is equipped with downwardly extending's lock plate (520), be equipped with on the lower terminal surface of lock plate (520) with wheel body (30) surface contact realizes bellying (530) of brake be equipped with footboard (540) that extend to the side on pivot (510) be equipped with on support (10) and be used for the restriction pivot (510) pivoted stop gear (500).

5. The caster with brake of claim 4, wherein: stop gear (500) is including setting up installing support (580) on support (10), be equipped with arc (560) on installing support (580), arc (560) with pivot (510) each other are coaxial setting be equipped with elastic column (570) along its axle center on the inner wall of arc (560) there are a plurality of arc recesses (550) along its axle center equipartition on the outer wall of pivot (510), elastic column (570) embedding is in arbitrary one arc recess (550).

6. The caster with brake of claim 5, wherein: the elastic column (570) is made of rubber.