CN214396254U

CN214396254U - Shock-proof universal wheel

Info

Publication number: CN214396254U
Application number: CN202023095470.0U
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: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-10-15
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an universal wheel of moving away to avoid possible earthquakes, including roof, loop bar, telescopic link and support ball, roof upper end four corners department shaping has the mounting hole, roof bottom middle part is provided with the commentaries on classics cover, the shaping has the turn trough in the change trough, be provided with the revolving stage in the turn trough, revolving stage upper end and lower extreme all are the ring and distribute and have support ball, the revolving stage below is provided with the backup pad. Has the advantages that: the utility model discloses a loop bar, telescopic link, spring one, spring two, revolving stage, rotary trough and support ball's design not only makes this universal wheel have dual shock-absorbing function in the use for the universal wheel is more steady at the in-process of traveling, can effectively reduce the friction and wear of universal wheel at the rotation in-process moreover, improves the sensitivity of universal wheel at the rotation in-process, avoids the universal wheel dead phenomenon of card to appear.

Description

Shock-proof universal wheel

Technical Field

The utility model relates to an universal wheel technical field, concretely relates to universal wheel of moving away to avoid possible earthquakes.

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 is provided with a rigid structure, so that the damping performance of the universal wheel is poor, the stability of the universal wheel in moving on uneven road surfaces is poor, meanwhile, the friction and abrasion of the rotating part on the universal wheel are large, the sensitivity of the universal wheel in rotating is poor, the universal wheel is easy to block when rotating, and therefore a novel damping universal wheel is urgently needed to solve the existing problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, the universal wheel of moving away to avoid possible earthquakes has now been proposed, has solved the structure that current universal wheel adopted rigidity more for the damping performance of universal wheel is relatively poor, and then leads to the stability of universal wheel when not moving on the road surface relatively poor, simultaneously because the rotating part department friction and wear on the universal wheel is great, and sensitivity when leading to the universal wheel to rotate is relatively poor, appears the problem of the dead phenomenon of card easily when the universal wheel rotates.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a shock-absorbing universal wheel, which comprises a top plate, a loop bar, a telescopic rod and a supporting ball, mounting holes are formed at four corners of the upper end of the top plate, a rotating sleeve is arranged in the middle of the bottom end of the top plate, a rotating groove is formed in the rotating sleeve, a rotary table is arranged in the rotary groove, the upper end and the lower end of the rotary table are both distributed with the supporting balls in a ring shape, a supporting plate is arranged below the rotary table, the loop bars are welded on two sides of the bottom end of the supporting plate, a sliding cavity is formed in each loop bar, a sliding table is arranged in the sliding cavity, a first spring is arranged between the upper end of the sliding table and the sliding cavity, a second spring is arranged between the bottom end of the sliding table and the sliding cavity, the telescopic rod penetrates through the second spring, the telescopic link bottom sets up the installation limit, be provided with the pivot between the installation limit, the pivot mid-mounting has the gyro wheel, the pivot both ends are provided with fastening nut.

Through adopting above-mentioned technical scheme, the loop bar the telescopic link spring one the spring two the revolving stage the rotary trough and support the design of ball not only makes this universal wheel have dual shock-absorbing function in the use for the universal wheel is more steady at the in-process of traveling, can effectively reduce the friction and wear of universal wheel at the rotation in-process moreover, improves the sensitivity of universal wheel at the rotation in-process, avoids the universal wheel dead phenomenon of card to appear.

Furthermore, the rotating sleeve is welded with the top plate, the supporting ball is rotatably connected with the rotating table, and the rotating table is rotatably connected with the rotating groove.

By adopting the technical scheme, the normal rotation of the supporting ball can be ensured.

Furthermore, the rotary table penetrates through the rotary sleeve, the rotary table is welded with the supporting plate, and the sleeve rod is welded with the supporting plate.

By adopting the technical scheme, the normal installation among the rotary table, the supporting plate and the rotary sleeve can be realized.

Furthermore, the first spring is welded with the sliding cavity and the sliding table, and the second spring is welded with the sliding table and the sliding cavity.

By adopting the technical scheme, the first spring and the second spring can be stretched along with the movement of the universal wheel, so that the vibration of the universal wheel moving on an uneven road surface is effectively reduced, and the moving stability of the universal wheel is improved.

Further, the telescopic rod is welded with the sliding table, and the telescopic rod is welded with the mounting edge.

By adopting the technical scheme, the telescopic rod can be normally stretched.

Furthermore, the rotating shaft is rotatably connected with the roller, penetrates through the mounting edge and is rotatably connected with the fastening nut.

Through adopting above-mentioned technical scheme, can realize the normal installation of gyro wheel.

(III) advantageous effects

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

for solving current universal wheel and adopting rigid structure more, make the damping performance of universal wheel relatively poor, and then the stability that leads to the universal wheel when not moving on the road surface is relatively poor, simultaneously because rotatable part department friction wear on the universal wheel is great, sensitivity when leading to the universal wheel to rotate is relatively poor, appear the problem of the phenomenon of blocking when the universal wheel rotates easily, the utility model discloses a loop bar, telescopic link, spring one, spring two, revolving stage, rotary trough and support ball's design not only makes this universal wheel have dual shock-absorbing function in the use, makes the universal wheel more steady at the in-process of traveling, can effectively reduce the friction wear of universal wheel at the rotation in-process in addition, improves the sensitivity of universal wheel at the rotation in-process, avoids the universal wheel phenomenon of blocking to appear.

Drawings

FIG. 1 is a schematic structural view of a shock-absorbing universal wheel according to the present invention;

FIG. 2 is a front sectional view of the shock absorbing universal wheel of the present invention;

fig. 3 is an enlarged view of a position a of the shock absorbing universal wheel of the present invention.

The reference numerals are explained below:

1. a top plate; 2. rotating the sleeve; 3. a turntable; 4. installing edges; 5. a rotating shaft; 6. fastening a nut; 7. a telescopic rod; 8. a loop bar; 9. a support plate; 10. mounting holes; 11. a first spring; 12. a second spring; 13. a sliding table; 14. a slide chamber; 15. rotating the groove; 16. supporting the balls; 17. and a roller.

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 shock-absorbing universal wheel in this embodiment comprises a top plate 1, a sleeve rod 8, a telescopic rod 7 and supporting balls 16, wherein mounting holes 10 are formed at four corners of the upper end of the top plate 1, a rotating sleeve 2 is arranged at the middle of the bottom end of the top plate 1, a rotating groove 15 is formed in the rotating sleeve 2, a rotating table 3 is arranged in the rotating groove 15, the supporting balls 16 are distributed on the upper end and the lower end of the rotating table 3 in an annular manner, a supporting plate 9 is arranged below the rotating table 3, the sleeve rods 8 are welded on two sides of the bottom end of the supporting plate 9, a sliding cavity 14 is formed in the sleeve rod 8, a sliding table 13 is arranged in the sliding cavity 14, a first spring 11 is arranged between the upper end of the sliding table 13 and the sliding cavity 14, a second spring 12 is arranged between the bottom end of the sliding table 13 and the sliding cavity 14, the telescopic rod 7 penetrates through the inner portion of the spring 12, a mounting edge 4 is arranged at the bottom end of the telescopic rod 7, a rotating shaft 5 is arranged between the mounting edges, and a roller 17 is arranged at the middle of the rotating

shaft

5, 5 both ends of pivot are provided with fastening nut 6, loop bar 8, telescopic link 7, spring 11, spring two 12, revolving stage 3, rotary groove 15 and support ball 16's design, not only make this universal wheel have dual shock-absorbing function in the use, make the universal wheel more steady at the in-process of traveling, can effectively reduce the friction and wear of universal wheel at the rotation in-process moreover, improve the sensitivity of universal wheel at the rotation in-process, avoid the universal wheel dead phenomenon of card to appear.

As shown in fig. 1-3, in this embodiment, the rotating sleeve 2 is welded to the top plate 1, the supporting ball 16 is rotatably connected to the rotating table 3, the rotating table 3 is rotatably connected to the rotating slot 15, so as to ensure the normal rotation of the supporting ball 16, the rotating table 3 penetrates through the rotating sleeve 2, the rotating table 3 is welded to the supporting plate 9, the loop bar 8 is welded to the supporting plate 9, so as to achieve the normal installation between the rotating table 3, the supporting plate 9 and the rotating sleeve 2, the first spring 11 is welded to the sliding cavity 14 and the sliding table 13, the second spring 12 is welded to the sliding table 13 and the sliding cavity 14, the first spring 11 and the second spring 12 can stretch along with the movement of the universal wheel, so as to effectively reduce the vibration of the universal wheel moving on uneven road surface, improve the moving stability of the universal wheel, the telescopic rod 7 is welded to the sliding table 13, the telescopic rod 7 is welded to the mounting edge 4, so as to achieve the normal expansion of the telescopic rod 7, and the rotating shaft 5 is rotatably connected to the roller 17, the rotating shaft 5 penetrates through the mounting edge 4, the rotating shaft 5 is connected with the fastening nut 6 in a screwing mode, and the roller 17 can be normally mounted.

The specific implementation process of this embodiment is as follows: during the use at first assemble this universal wheel according to the mode as shown in figure 1, then cooperate through outside bolt and mounting hole 10 and fix roof 1 and external apparatus, can make this universal wheel put into use, wherein in the use, spring 11 and spring two 12 can effectively reduce the jolt vibration that gyro wheel 17 received at the removal in-process, very big improvement the holistic shock attenuation performance of this universal wheel, make the universal wheel more steady at the removal in-process, support ball 16's design, can effectively reduce the friction and wear of this universal wheel at the rotation in-process, this universal wheel sensitivity when rotating has been improved greatly, avoid the universal wheel dead phenomenon of card to appear when rotating.

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 shock-absorbing universal wheel is characterized in that: comprises a top plate (1), a loop bar (8), a telescopic rod (7) and supporting balls (16), wherein mounting holes (10) are formed at four corners of the upper end of the top plate (1), a rotating sleeve (2) is arranged in the middle of the bottom end of the top plate (1), a rotating groove (15) is formed in the rotating sleeve (2), a rotating table (3) is arranged in the rotating groove (15), the supporting balls (16) are distributed on the upper end and the lower end of the rotating table (3) in an annular manner, a supporting plate (9) is arranged below the rotating table (3), the loop bar (8) is welded on two sides of the bottom end of the supporting plate (9), a sliding cavity (14) is formed in the loop bar (8), a sliding table (13) is arranged in the sliding cavity (14), a first spring (11) is arranged between the upper end of the sliding table (13) and the sliding cavity (14), a second spring (12) is arranged between the bottom end of the sliding table (13) and the sliding cavity (14), the telescopic rod (7) penetrates through the spring II (12), the bottom end of the telescopic rod (7) is provided with mounting edges (4), a rotating shaft (5) is arranged between the mounting edges (4), the middle of the rotating shaft (5) is provided with a roller (17), and two ends of the rotating shaft (5) are provided with fastening nuts (6).

2. A suspension caster according to claim 1, wherein: the rotary sleeve (2) is welded with the top plate (1), the supporting ball (16) is rotatably connected with the rotary table (3), and the rotary table (3) is rotatably connected with the rotary groove (15).

3. A suspension caster according to claim 1, wherein: the rotary table (3) penetrates through the rotary sleeve (2), the rotary table (3) is welded with the supporting plate (9), and the loop bar (8) is welded with the supporting plate (9).

4. A suspension caster according to claim 1, wherein: the spring I (11) is welded with the sliding cavity (14) and the sliding table (13), and the spring II (12) is welded with the sliding table (13) and the sliding cavity (14).

5. A suspension caster according to claim 1, wherein: the telescopic rod (7) is welded with the sliding table (13), and the telescopic rod (7) is welded with the mounting edge (4).

6. A suspension caster according to claim 1, wherein: the rotating shaft (5) is rotatably connected with the roller (17), the rotating shaft (5) penetrates through the mounting edge (4), and the rotating shaft (5) is rotatably connected with the fastening nut (6).