CN214396255U

CN214396255U - Universal wheel with locking function

Info

Publication number: CN214396255U
Application number: CN202023142847.3U
Authority: CN
Inventors: 邱海; 张建国
Original assignee: Guangdong Mingze Caster Industry Co ltd
Current assignee: Guangdong Mingze Caster Industry Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-10-15
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses an universal wheel with locking function, including wheel carrier, clamp plate, stop collar and friction pad, the wheel carrier internal rotation is connected with the wheel body, the welding has the backup pad on the wheel carrier both sides wall, the welding of backup pad upper end one side has the stop collar, the welding has the sliding sleeve in the middle part of the stop collar both sides wall, be provided with the traveller in the sliding sleeve, traveller one end is provided with the pull ring, the traveller other end is provided with the limiting plate of arc structure, be provided with the taper groove on the limiting plate lateral wall. Has the advantages that: the utility model discloses a design of clamp plate, depression bar, stop collar, sliding sleeve, limiting plate, traveller, spring one, spring two, frustum and friction pad can realize the convenient locking of universal wheel through the mode of stepping on to need not the manual work after the locking and trample always, satisfy the locking user demand of universal wheel, avoided the emergence of coaster phenomenon, very big improvement the practicality of universal wheel.

Description

Universal wheel with locking function

Technical Field

The utility model relates to an universal wheel technical field, concretely relates to universal wheel with locking function.

Background

The castor is a so-called movable caster, and the structure of the castor allows 360-degree horizontal rotation. The caster is a general term and comprises a movable caster and a fixed caster. The fixed caster has no rotating structure, can not rotate horizontally but can only rotate vertically. These two types of casters are commonly used in combination, for example, a cart has a structure with two fixed wheels at the front and two movable universal wheels at the rear, which are close to the pushing handrail.

However, the existing universal wheel needs a person to step on the long-time locking of the universal wheel when being locked, so that the labor intensity of workers is increased, the universal wheel is easy to brake unreliably and further to generate a pulley phenomenon due to artificial fatigue when being locked, the practicability of the universal wheel is reduced, and therefore a novel universal wheel with a locking function is urgently needed to solve the existing problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, provide a universal wheel with locking function now, solved current universal wheel and need the people to trample always when the locking just can realize the long-time locking of universal wheel, increased artificial intensity of labour, make the unreliable and then take place the coaster phenomenon of universal wheel braking because of artificial fatigue easily when the locking, reduced the problem of the practicality of universal wheel.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides an universal wheel with locking function, which comprises a wheel carrier, a pressing plate, a limiting sleeve and a friction pad, wherein the wheel carrier is rotationally connected with a wheel body, supporting plates are welded on two side walls of the wheel carrier, the limiting sleeve is welded on one side of the upper end of the supporting plate, a sliding sleeve is welded in the middle of the two side walls of the limiting sleeve, a sliding column is arranged in the sliding sleeve, one end of the sliding column is provided with a pull ring, the other end of the sliding column is provided with a limiting plate with an arc structure, a conical groove is arranged on the side wall of one limiting plate, the maximum width of the limiting plate is less than the inner diameter of the sliding sleeve, a second sliding table with an annular structure is formed on the peripheral side wall of the sliding column, a second spring is arranged between the second sliding table and the sliding sleeve, a pressing rod is arranged at the upper end in the limiting sleeve, a frustum is formed at the bottom end of the pressing rod, a first sliding table with an annular structure is arranged at the bottom end of the peripheral side wall of the pressing rod, the first sliding table and the first limiting sleeve are provided with a spring, the pressing plate is welded to the top end of the pressing rod, and the middle of the bottom end of the pressing plate is bonded with the friction pad in an arc structure.

Through adopting above-mentioned technical scheme, the clamp plate the depression bar the stop collar the sliding sleeve the limiting plate the traveller spring one spring two the frustum and the design of friction pad can realize the convenient locking of universal wheel through the mode of stepping on to need not the manual work after the locking and trample always, satisfy the locking user demand of universal wheel, avoided the emergence of coaster phenomenon, very big improvement the practicality of universal wheel.

Furthermore, the sliding column is connected with the sliding sleeve in a sliding mode, and the spring II is welded with the sliding table II and the sliding sleeve.

Through adopting above-mentioned technical scheme, can realize convenient slip and the reseing of traveller.

Furthermore, the limiting plate is welded with the sliding column, and the conical groove is formed in the limiting plate.

By adopting the technical scheme, the limiting plate can realize convenient limiting of the frustum.

Furthermore, the pressure lever with stop collar sliding connection, spring two with slip table one and the stop collar all welds.

Through adopting above-mentioned technical scheme, spring two can realize the convenient reset of frustum.

Furthermore, a rotary table is welded in the middle of the top end of the wheel carrier, a rotary sleeve is arranged at the upper end of the rotary table, and a top plate is arranged at the upper end of the rotary sleeve.

Through adopting above-mentioned technical scheme, the revolving stage and the commentaries on classics cover can ensure the convenient rotation of this universal wheel.

Furthermore, the rotary table is connected with the rotary sleeve through a bearing, and the top plate is welded with the rotary sleeve.

Through adopting above-mentioned technical scheme, the holistic convenient installation of this universal wheel can be ensured to the roof.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

need the people to trample always and just can realize the long-time locking of universal wheel for solving current universal wheel when the locking, increased artificial intensity of labour, make the unreliable and then take place the coaster phenomenon of universal wheel braking because of artificial fatigue when locking easily, reduced the problem of the practicality of universal wheel, the utility model discloses a design of clamp plate, depression bar, stop collar, sliding sleeve, limiting plate, traveller, spring one, spring two, frustum and friction pad can realize the convenient locking of universal wheel through the mode of trampling to need not the manual work and trample always after the locking, satisfy the locking user demand of universal wheel, avoided the emergence of coaster phenomenon, very big improvement the practicality of universal wheel.

Drawings

Fig. 1 is a schematic structural diagram of a universal wheel with a locking function according to the present invention;

fig. 2 is a right side view of a universal wheel with a locking function according to the present invention;

fig. 3 is a schematic view of the connection relationship among the stop collar, the pressure bar and the sliding column in the universal wheel with the locking function of the present invention.

The reference numerals are explained below:

1. a top plate; 2. rotating the sleeve; 3. a wheel carrier; 4. a support plate; 5. a limiting sleeve; 6. a wheel body; 7. a friction pad; 8. a traveler; 9. a pressure lever; 10. pressing a plate; 11. a turntable; 12. a first spring; 13. a frustum; 14. a limiting plate; 15. a conical groove; 16. a sliding sleeve; 17. a second spring; 18. a pull ring; 19. a second sliding table; 20. and a first sliding table.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, the universal wheel with locking function in this embodiment includes a wheel frame 3, a pressing plate 10, a limiting sleeve 5 and a friction pad 7, a wheel body 6 is rotatably connected in the wheel frame 3, a supporting plate 4 is welded on two side walls of the wheel frame 3, the limiting sleeve 5 is welded on one side of the upper end of the supporting plate 4, a sliding sleeve 16 is welded in the middle of two side walls of the limiting sleeve 5, a sliding column 8 is arranged in the sliding sleeve 16, a pull ring 18 is arranged at one end of the sliding column 8, a limiting plate 14 with an arc structure is arranged at the other end of the sliding column 8, a conical groove 15 is arranged on one side wall of the limiting plate 14, the maximum width of the limiting plate 14 is smaller than the inner diameter of the sliding sleeve 16, a second sliding table 19 with an annular structure is formed on the peripheral side wall of the sliding column 8, a second spring 17 is arranged between the second sliding table 19 and the sliding sleeve 16, a pressing rod 9 is arranged at the upper end of the limiting sleeve 5, a conical table 13 is formed at the bottom end of the pressing rod 9, a first sliding table 20 with an annular structure is arranged at the bottom end of the peripheral side wall of the pressing rod 9, be provided with spring 12 between slip table one 20 and the stop collar 5, the welding of depression bar 9 top has clamp plate 10, clamp plate 10 bottom middle part bonds and has the friction pad 7 of arc structure, clamp plate 10, depression bar 9, stop collar 5, sliding sleeve 16, limiting plate 14, traveller 8, spring one 12, spring two 17, the design of frustum 13 and friction pad 7, can realize the convenient locking of universal wheel through the mode of stepping on, and need not the manual work and trample always after the locking, satisfy the locking user demand of universal wheel, the emergence of coaster phenomenon has been avoided, very big improvement the practicality of universal wheel.

As shown in fig. 1-3, in this embodiment, a sliding column 8 is slidably connected to a sliding sleeve 16, a second spring 17 is welded to a second sliding table 19 and the sliding sleeve 16, so as to enable the sliding column 8 to slide and reset conveniently, a limiting plate 14 is welded to the sliding column 8, a conical groove 15 is formed in the limiting plate 14, the limiting plate 14 can enable the frustum 13 to be limited conveniently, a compression bar 9 is slidably connected to a limiting sleeve 5, the second spring 17 is welded to the first sliding table 20 and the limiting sleeve 5, the second spring 17 can enable the frustum 13 to reset conveniently, a rotary table 11 is welded to the middle of the top end of a wheel carrier 3, a rotary sleeve 2 is arranged at the upper end of the rotary table 11, a top plate 1 is arranged at the upper end of the rotary sleeve 2, the rotary table 11 and the rotary sleeve 2 can ensure convenient rotation of the universal wheel, the rotary table 11 is connected to the rotary sleeve 2 through a bearing, the top plate 1 is welded to the rotary sleeve 2, and the top plate 1 can ensure convenient installation of the universal wheel as a whole.

The specific implementation process of this embodiment is as follows: when the universal wheel is used, the top plate 1 is fixed on an external vehicle body only through an external bolt, so that the universal wheel can be put into use, when the universal wheel needs to be locked in the using process, the pressing plate 10 can be stepped by feet to enable the pressing rod 9 and the frustum 13 to move downwards, the frustum 13 can firstly contact with the conical groove 15 on the limiting plate 14 in the downwards moving process, the limiting plate 14 is jacked towards two sides along with the downwards moving of the frustum 13, the sliding column 8 slides towards the outer side of the sliding sleeve 16 at the moment, the second spring 17 stretches, when the frustum 13 is completely positioned below the limiting plate 14, the limiting plate 14 can reset under the action of the second spring 17, the limiting plate 14 can be jacked against the outer wall of the pressing rod 9 at the moment, so that the up-and-down movement of the frustum 13 in the limiting sleeve 5 is limited, the limiting of the pressing rod 9 is realized, the friction pad 7 can be tightly attached to the outer wall of the wheel body 6 when the pressing rod 9 is limited, so that the reliable locking of the universal wheel is realized, when the universal wheel needs to be unlocked, the pull ring 18 is only needed to pull the sliding column 8 to the side away from the sliding sleeve 16, so that the limiting locking of the limiting plate 14 is unlocked, the compression bar 9 can be automatically reset under the action of the first spring 12, and the friction pad 7 is separated from the wheel body 6, so that the universal wheel can be normally moved.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. A universal wheel with locking function, its characterized in that: comprises a wheel carrier (3), a pressing plate (10), a limiting sleeve (5) and a friction pad (7), wherein a wheel body (6) is rotationally connected in the wheel carrier (3), supporting plates (4) are welded on two side walls of the wheel carrier (3), the limiting sleeve (5) is welded on one side of the upper end of each supporting plate (4), a sliding sleeve (16) is welded in the middle of the two side walls of the limiting sleeve (5), a sliding column (8) is arranged in the sliding sleeve (16), a pull ring (18) is arranged at one end of the sliding column (8), a limiting plate (14) of an arc-shaped structure is arranged at the other end of the sliding column (8), a conical groove (15) is arranged on one side wall of the limiting plate (14), the maximum width of the limiting plate (14) is smaller than the inner diameter of the sliding sleeve (16), a sliding table II (19) of an annular structure is formed on the peripheral side wall of the sliding column (8), and a spring II (17) is arranged between the sliding table II (19) and the sliding sleeve (16), the upper end is provided with depression bar (9) in stop collar (5), depression bar (9) bottom shaping has frustum (13), depression bar (9) peripheral lateral wall bottom is provided with the slip table (20) of loop configuration, slip table (20) with be provided with spring (12) between stop collar (5), the welding of depression bar (9) top has clamp plate (10), clamp plate (10) bottom middle part bonds and has the arc structure friction pad (7).

2. The universal wheel with a locking function according to claim 1, wherein: the sliding column (8) is in sliding connection with the sliding sleeve (16), and the second spring (17) is welded with the second sliding table (19) and the sliding sleeve (16).

3. The universal wheel with a locking function according to claim 1, wherein: the limiting plate (14) is welded with the sliding column (8), and the conical groove (15) is formed in the limiting plate (14).

4. The universal wheel with a locking function according to claim 1, wherein: the compression bar (9) is connected with the limiting sleeve (5) in a sliding mode, and the spring II (17) is welded with the sliding table I (20) and the limiting sleeve (5).

5. The universal wheel with a locking function according to claim 1, wherein: the middle part of the top end of the wheel carrier (3) is welded with a rotary table (11), the upper end of the rotary table (11) is provided with a rotary sleeve (2), and the upper end of the rotary sleeve (2) is provided with a top plate (1).

6. The caster with locking function as claimed in claim 5, wherein: the rotary table (11) is connected with the rotary sleeve (2) through a bearing, and the top plate (1) is welded with the rotary sleeve (2).