CN219312421U

CN219312421U - Height-adjustable universal castor

Info

Publication number: CN219312421U
Application number: CN202223293242.3U
Authority: CN
Inventors: 丁慎宝; 卢仙女; 谭坤; 于平平
Original assignee: Qingdao Dashihuihao Caster Co ltd
Current assignee: Qingdao Dashihuihao Caster Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-07-07
Anticipated expiration: 2032-12-07

Abstract

The utility model belongs to the technical field of casters, and discloses a height-adjustable universal caster, which comprises an adjusting piece, wherein the bottom end of the adjusting piece is provided with supporting legs through a rotating structure, and the supporting legs are provided with rotatable wheels; the adjusting piece comprises an adjusting sleeve and an adjusting rod, a thread groove is formed in the axial direction of the adjusting sleeve, and an external thread is formed in the upper end of the outer wall of the adjusting rod; the height adjusting device can adjust the height at any time according to different using places and requirements of customers, is flexible to use and convenient to operate, wherein when the height is adjusted, only the adjusting rod is needed to be held for rotation, the depth of the adjusting rod inserted into the threaded groove is changed, the height is convenient and quick to change, after the height is adjusted, the inner end of the limiting jackscrew can be embedded into the bottom of the inner part of the caulking groove, the limiting jackscrew is used for abutting against the adjusting rod, the stability after the height adjustment can be effectively improved, and the problem that the adjusting sleeve slides down due to overlarge bearing is avoided.

Description

Height-adjustable universal castor

Technical Field

The utility model belongs to the technical field of casters, and particularly relates to a height-adjustable universal caster.

Background

The casters comprise movable casters, fixed casters and movable casters with brakes, wherein the movable casters are universal wheels, more and more equipment needs to be moved, the casters are widely applied, and the casters are almost kept away from various industries.

Along with the continuous development of society, people have higher and higher requirements on the structure and the function of wheels, and have special requirements on some special occasions and special clients, and some clients need to adjust the height of a vehicle according to factories in the use process, so that the production is convenient, but the height of the existing castor is fixed and is difficult to meet the requirements, so that the height-adjustable castor is provided.

Disclosure of Invention

The utility model aims to provide a height-adjustable universal castor for solving the problem that the prior castor provided in the background art is fixed in height and is difficult to meet the requirement.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the height-adjustable universal castor comprises an adjusting piece, wherein the bottom end of the adjusting piece is provided with supporting legs through a rotating structure, and the supporting legs are provided with rotatable wheels;

the adjusting piece comprises an adjusting sleeve and an adjusting rod, a thread groove is formed in the axial direction of the adjusting sleeve, and an external thread is formed in the upper end of the outer wall of the adjusting rod;

and the limiting assembly is used for limiting the position of the adjusting rod after the adjusting rod is lifted in the thread groove.

Preferably, the spacing subassembly includes spacing jackscrew, screw and caulking groove, the screw equidistance is seted up in adjusting sleeve's outer wall length direction, and the screw link up mutually with the screw groove, the caulking groove is seted up on adjusting lever's outer wall upper end along its circumference, spacing jackscrew can be rotated and passed the screw and imbed to the caulking groove in.

Preferably, the rotating structure comprises a large bullet cover, a small bullet cover, a gasket and a steel ball, wherein the large bullet cover is fixed at the bottom end of the adjusting rod, the small bullet cover is fixed at the top end of the supporting leg, the steel ball is arranged in a ball groove formed by the large bullet cover and the small bullet cover, and the gasket is arranged at the bottom end of the small bullet cover.

Preferably, the connection between the support leg and the wheel is connected by a connecting piece, the connecting piece comprises a nut and a bolt, the bolt penetrates through the support leg and the wheel, and the nut is screwed on the outer part of the bolt.

Preferably, the top end of the adjusting sleeve is provided with a mounting plate, and the mounting plate is provided with a mounting hole.

Preferably, the joint of the mounting plate and the adjusting sleeve is fully welded to form a welding ring.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The height adjusting device can adjust the height at any time according to different using places and requirements of customers, is flexible to use and convenient to operate, wherein when the height is adjusted, only the adjusting rod is needed to be held for rotation, the depth of the adjusting rod inserted into the thread groove is changed, and the height is convenient and quick to change.

(2) According to the utility model, the limiting assembly is additionally arranged, after the height is adjusted, the limiting jackscrew can be screwed through the screw hole, so that the inner end of the limiting jackscrew is embedded into the bottom of the inner part of the caulking groove, the limiting jackscrew is abutted against the adjusting rod, the stability of the height adjusted is effectively improved, and the condition that the adjusting sleeve slides down due to overlarge bearing is avoided.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a side view of the present utility model;

FIG. 3 is a cross-sectional view of an adjustment sleeve of the present utility model;

in the figure: 1. an adjustment sleeve; 2. an adjusting rod; 3. a large bullet cover; 4. a small bullet cover; 5. a gasket; 6. support legs; 7. a wheel; 8. a screw cap; 9. a steel ball; 10. limiting jackscrews; 11. a mounting plate; 12. welding rings; 13. a bolt; 14. a screw hole; 15. a thread groove; 16. a caulking groove; 17. and (5) external threads.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides the following technical solutions: a height adjustable castor, comprising:

the bottom end of the adjusting piece is provided with a supporting leg 6 through a rotating structure, and the supporting leg 6 is provided with a rotatable wheel 7;

the adjusting piece comprises an adjusting sleeve 1 and an adjusting rod 2, a thread groove 15 is formed in the axial direction of the adjusting sleeve 1, and an external thread 17 is formed at the upper end of the outer wall of the adjusting rod 2;

and the limiting assembly is used for limiting the position of the adjusting rod 2 after the adjusting rod is lifted in the thread groove 15.

The limiting assembly comprises a limiting jackscrew 10, screw holes 14 and caulking grooves 16, wherein the screw holes 14 are formed in the length direction of the outer wall of the adjusting sleeve 1 at equal intervals, the screw holes 14 are communicated with the screw grooves 15, the caulking grooves 16 are formed in the upper end of the outer wall of the adjusting rod 2 along the circumference of the upper end of the outer wall, and the limiting jackscrew 10 can penetrate through the screw holes 14 in a screwing mode and is embedded into the caulking grooves 16.

Through the technical scheme:

when the height adjustment is needed, only the adjusting rod 2 is held to rotate, the depth of the adjusting rod 2 inserted into the internal thread groove 15 of the adjusting sleeve 1 is changed, the height is changed conveniently and rapidly, after the height is adjusted, the limiting jackscrew 10 is screwed through the screw hole 14, the inner end of the limiting jackscrew 10 is embedded into the bottom of the embedded groove 16, the limiting jackscrew 10 is used for tightly propping the adjusting rod 2, the stability after the height adjustment can be effectively improved, and the lower sliding of the adjusting sleeve 1 caused by overlarge bearing is avoided.

Further, the joints of the supporting legs 6 and the wheels 7 are connected through connecting pieces, the connecting pieces comprise nuts 8 and bolts 13, the bolts 13 penetrate through the supporting legs 6 and the wheels 7, and the nuts 8 are connected to the outer parts of the bolts 13 in a screwing mode;

in particular, the stability of the wheel 7 can be ensured by connecting the support leg 6 and the wheel 7 by the cooperation of the nut 8 and the bolt 13.

Further, the top of the adjusting sleeve 1 is provided with a mounting plate 11, mounting holes are formed in the mounting plate 11, and the joint of the mounting plate 11 and the adjusting sleeve 1 is fully welded to form a welding ring 12.

Specifically, the screw passes through the mounting plate 11 provided with the mounting hole, so that the universal castor can be stably mounted at the bottom end of the vehicle;

the stability of connection can be ensured to the welding circle 12 that the full weld formed, is difficult for breaking away from between mounting panel 11 and the adjustment sleeve 1.

Referring to fig. 1-2, the rotating structure comprises a large bullet cover 3, a small bullet cover 4, a gasket 5 and a steel ball 9, wherein the large bullet cover 3 is fixed at the bottom end of the adjusting rod 2, the small bullet cover 4 is fixed at the top end of the supporting leg 6, the steel ball 9 is arranged in a ball groove formed by the large bullet cover 3 and the small bullet cover 4, and the gasket 5 is arranged at the bottom end of the small bullet cover 4;

wherein, big bullet lid 3 and little bullet lid 4 independently form the ball groove, and the ball groove that big bullet lid 3 formed is greater than the ball groove that little bullet lid 4 formed for steel ball 9 on the big bullet lid 3 is greater than steel ball 9 on the little bullet lid 4.

Through the technical scheme:

the adjusting rod 2, the large elastic cover 3, the small elastic cover 4, the gasket 5, the supporting leg 6 and the steel ball 9 are connected through riveting, so that the strength is high, the operation is convenient, the process is stable, falling and separation cannot occur when external force is applied, and the support is formed by tightly riveting and matching, so that the rotation is flexible.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. A height-adjustable castor, comprising:

the bottom end of the adjusting piece is provided with supporting legs (6) through a rotating structure, and rotatable wheels (7) are arranged on the supporting legs (6);

the adjusting piece comprises an adjusting sleeve (1) and an adjusting rod (2), a thread groove (15) is formed in the axial direction of the adjusting sleeve (1), and an external thread (17) is formed in the upper end of the outer wall of the adjusting rod (2);

and the limiting assembly is used for limiting the position of the adjusting rod (2) after the adjusting rod is lifted in the thread groove (15).

2. A height adjustable castor as defined in claim 1, wherein: the limiting assembly comprises a limiting jackscrew (10), screw holes (14) and caulking grooves (16), wherein the screw holes (14) are formed in the length direction of the outer wall of the adjusting sleeve (1) at equal intervals, the screw holes (14) are communicated with the screw grooves (15), the caulking grooves (16) are formed in the upper end of the outer wall of the adjusting rod (2) along the circumference of the upper end of the outer wall of the adjusting rod, and the limiting jackscrew (10) can penetrate through the screw holes (14) in a screwing mode and is embedded into the caulking grooves (16).

3. A height adjustable castor as claimed in claim 2 wherein: the rotating structure comprises a large bullet cover (3), a small bullet cover (4), a gasket (5) and a steel ball (9), wherein the large bullet cover (3) is fixed at the bottom end of the adjusting rod (2), the small bullet cover (4) is fixed at the top end of the supporting leg (6), the steel ball (9) is arranged in a ball groove formed by the large bullet cover (3) and the small bullet cover (4), and the gasket (5) is arranged at the bottom end of the small bullet cover (4).

4. A height adjustable castor according to claim 3, wherein: the connecting part of the supporting leg (6) and the wheel (7) is connected through a connecting piece, the connecting piece comprises a screw cap (8) and a bolt (13), the bolt (13) penetrates through the supporting leg (6) and the wheel (7), and the screw cap (8) is screwed and connected to the outer part of the bolt (13).

5. A height adjustable castor as defined in claim 4 wherein: the top of the adjusting sleeve (1) is provided with a mounting plate (11), and the mounting plate (11) is provided with a mounting hole.

6. A height adjustable castor as defined in claim 5, wherein: the joint of the mounting plate (11) and the adjusting sleeve (1) is fully welded to form a welding ring (12).