CN213973459U

CN213973459U - Universal wheel with adjustable height

Info

Publication number: CN213973459U
Application number: CN202022170929.2U
Authority: CN
Inventors: 丛凤艳
Original assignee: 丛凤艳
Current assignee: Foshan Pengyue caster Co.,Ltd.
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-08-17
Anticipated expiration: 2030-09-28

Abstract

The utility model belongs to the technical field of the universal wheel technique and specifically relates to a but height-adjusting's universal wheel, which comprises a mounting bracket, the inside of mounting bracket is rotated through the pivot and is connected with the gyro wheel, telescopic inside activity is provided with the traveling sleeve, the upper portion difference fixedly connected with connecting block of both sides, two around the sleeve inner wall rotate through the bearing between the connecting block and be connected with two axis bodies, just the movable groove that uses with the axis body cooperation is seted up to the last symmetry of traveling sleeve, the inner wall left and right sides difference fixedly connected with connecting plate, two of one side difference fixedly connected with rack plate, two that the connecting plate is relative the outside of axis body is fixed respectively cup jointed with the gear with two rack plate meshes. The utility model has the advantages of reasonable design, it is convenient to use, and whole altitude mixture control is convenient, and the use flexibility of device is high, and the user demand that satisfies that can be fine is worth using widely.

Description

Universal wheel with adjustable height

Technical Field

The utility model relates to an universal wheel technical field especially relates to a but height-adjusting's universal wheel.

Background

The casters are a general term and comprise movable casters and fixed casters, the movable casters are also called universal wheels, the structure of the casters allows 360-degree rotation, and with the development of social economy, the universal wheels are usually arranged at the bottom of equipment for people to move larger equipment conveniently. But present universal wheel installation back is fixed height mostly, can not adjust according to the in-service use condition, and the flexibility of use is lower, has certain use limitation, can not be fine satisfy the user demand. To this end, we propose an adjustable height universal wheel to solve such problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing the universal wheel with adjustable height, which is convenient to adjust and more convenient to use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a but height-adjusting's universal wheel, includes the mounting bracket, the inside of mounting bracket is rotated through the pivot and is connected with the gyro wheel, the upper end fixedly connected with sleeve of mounting bracket, telescopic inside activity is provided with the traveling sleeve, the upper portion difference fixedly connected with connecting block of both sides around the sleeve inner wall, two rotate through the bearing between the connecting block and be connected with two axis bodies, just the movable groove that uses with the axis body cooperation is seted up to the last symmetry of traveling sleeve, the inner wall left and right sides difference fixedly connected with connecting plate, two of the relative one side difference fixedly connected with rack board of connecting plate, two the outside of axis body is fixed respectively cup jointed with the gear with two rack board meshes, and two gears mesh mutually.

Preferably, the upper end of the movable sleeve is rotatably connected with a mounting seat through a bearing, and four corners of the upper end of the mounting seat are respectively provided with a mounting hole.

Preferably, the left side and the right side of the inner wall of the sleeve are respectively provided with a sliding groove, the sliding grooves are respectively connected with a limiting rod in a sliding mode, the limiting rods are matched with the sliding grooves, and the two ends, opposite to the limiting rods, of the limiting rods are fixedly connected with the movable sleeve.

Preferably, a worm wheel is fixedly sleeved on the rear side of the outside of the shaft body on the right side, a through groove is formed in the upper portion of the right side of the outer wall of the sleeve, a worm is rotatably connected inside the through groove through a bearing, and the worm is meshed with the worm wheel.

Preferably, the right end of the worm is fixedly connected with a handle.

The utility model provides a but height-adjusting's universal wheel, beneficial effect lies in: in the use, when needing to adjust, rotate the worm through the handle, can be so that the worm wheel drives rather than the axis body that is connected and rotate, rethread intermeshing's gear can be so that two axis bodies and two gears all rotate, can drive the rack board during gear revolve and reciprocate, thereby make the connecting plate drive the traveling sleeve and reciprocate, thereby can drive the mount pad and reciprocate, reach the purpose of adjusting device overall height, improved the use flexibility of device, facilitate the use more. The utility model has the advantages of reasonable design, it is convenient to use, and whole altitude mixture control is convenient, and the use flexibility of device is high, and the user demand that satisfies that can be fine is worth using widely.

Drawings

Fig. 1 is a schematic view of an overall structure of a height-adjustable universal wheel according to the present invention;

fig. 2 is an enlarged schematic view of a structure of a portion a of the height-adjustable universal wheel provided by the present invention;

fig. 3 is a top view of a partial structure in a height-adjustable universal wheel according to the present invention;

fig. 4 is a top view of the mounting seat in the universal wheel with adjustable height according to the present invention.

In the figure: the mounting bracket comprises a mounting bracket 1, a roller 2, a sleeve 3, a movable sleeve 4, a connecting block 5, a shaft body 6, a movable groove 7, a gear 8, a connecting plate 9, a rack plate 10, a worm wheel 11, a through groove 12, a worm 13, a handle 14, a sliding groove 15, a limiting rod 16, a mounting seat 17 and a mounting hole 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a height-adjustable universal wheel, including mounting bracket 1, the inside of mounting bracket 1 is rotated through the pivot and is connected with gyro wheel 2, the upper end fixedly connected with sleeve 3 of mounting bracket 1, sleeve 3's inside activity is provided with movable sleeve 4, spout 15 has been seted up respectively to the inner wall left and right sides of sleeve 3, the inside of two spout 15 is sliding connection respectively has gag lever post 16, gag lever post 16 and spout 15 looks adaptation, and two relative one ends of gag lever post 16 all with movable sleeve 4 fixed connection, cooperation through gag lever post 16 and spout 15, can inject movable sleeve 4, make movable sleeve 4's removal more stable, and can prevent that excessive adjustment from leading to movable sleeve 4 to break away from sleeve 3 completely.

The upper end of the movable sleeve 4 is rotatably connected with a mounting seat 17 through a bearing, mounting holes 18 are formed in four corners of the upper end of the mounting seat 17 respectively, the mounting seat 17 is welded with a base of the equipment, the installation of the device can be completed, bolts are driven into the base of the equipment through the mounting holes 18, the installation of the device can also be completed, and the installation of the device is convenient.

Upper portion difference fixedly connected with connecting block 5 of both sides around the 3 inner walls of sleeve, rotate through the bearing between two connecting blocks 5 and be connected with two axis bodies 6, the outside rear side of the axis body 6 that is located the right side is fixed to be cup jointed with worm wheel 11, logical groove 12 has been seted up on the outer wall right side upper portion of sleeve 3, the inside that leads to groove 12 rotates through the bearing and is connected with worm 13, the right-hand member fixedly connected with handle 14 of worm 13, handle 14 through setting up, the rotation convenience of worm 13 has been strengthened, the result of use of device has further been improved.

And worm 13 and worm wheel 11 mesh, through rotating worm 13, can make worm wheel 11 drive rather than the axis body 6 that is connected and rotate, rethread intermeshing's gear 8 can make two axis bodies 6 and two gears 8 all rotate, has good auto-lock performance moreover between worm 13 and the worm wheel 11, can be so that mount pad 17 after the height-adjusting remain stable.

And the movable groove 7 that uses with the cooperation of axis body 6 is seted up to the symmetry on the movable sleeve 4, and the inner wall left and right sides of movable sleeve 4 is fixedly connected with connecting plate 9 respectively, and two connecting plate 9 relative one side fixedly connected with rack plate 10 respectively, and the outside of two axis bodies 6 is fixed the gear 8 that cup joints with two rack plate 10 mutually respectively, and two gears 8 mesh mutually.

The working principle is as follows: in the use, when needing to adjust, rotate worm 13 through handle 14, can make worm wheel 11 drive the axis body 6 rotation rather than being connected, rethread intermeshing's gear 8, can make two axis bodies 6 and two gears 8 all rotate, can drive rack plate 10 during gear 8 rotates and reciprocate, thereby make connecting plate 9 drive movable sleeve 4 reciprocate, thereby can drive mount pad 17 and reciprocate, reach the purpose of adjusting device overall height, and have good auto-lock performance between worm 13 and the worm wheel 11, can be so that mount pad 17 after the height-adjusting remains stable.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a but height-adjusting's universal wheel, includes mounting bracket (1), the inside of mounting bracket (1) is rotated through the pivot and is connected with gyro wheel (2), a serial communication port, upper end fixedly connected with sleeve (3) of mounting bracket (1), the inside activity of sleeve (3) is provided with traveling sleeve (4), the upper portion difference fixedly connected with connecting block (5) of both sides around sleeve (3) inner wall, two rotate through the bearing between connecting block (5) and be connected with two axis body (6), just movable groove (7) that use with axis body (6) cooperation are seted up to the symmetry on traveling sleeve (4), the inner wall left and right sides difference fixedly connected with connecting plate (9) of traveling sleeve (4), two one side difference fixedly connected with rack plate (10) that connecting plate (9) is relative, two the outside of axis body (6) is fixed respectively cup jointed with gear (8) that mesh with two rack plate (10) And the two gears (8) are meshed.

2. The height-adjustable universal wheel according to claim 1, wherein the upper end of the movable sleeve (4) is rotatably connected with a mounting seat (17) through a bearing, and four corners of the upper end of the mounting seat (17) are respectively provided with a mounting hole (18).

3. The height-adjustable universal wheel according to claim 1, wherein sliding grooves (15) are respectively formed in the left side and the right side of the inner wall of the sleeve (3), limiting rods (16) are respectively connected to the insides of the two sliding grooves (15) in a sliding manner, the limiting rods (16) are matched with the sliding grooves (15), and the opposite ends of the two limiting rods (16) are fixedly connected with the movable sleeve (4).

4. The height-adjustable universal wheel according to claim 1, wherein a worm wheel (11) is fixedly sleeved on the outer rear side of the shaft body (6) on the right side, a through groove (12) is formed in the upper portion of the right side of the outer wall of the sleeve (3), a worm (13) is rotatably connected to the inside of the through groove (12) through a bearing, and the worm (13) is meshed with the worm wheel (11).

5. Height adjustable castor according to claim 4, characterized in that a handle (14) is fixedly connected to the right end of the worm (13).