阅读说明：本技术 一种具有避震机构的万向轮 (Universal wheel with shock absorbing mechanism ) 是由 毛雷音 傅育红 糜菁熠 朱琳怡 于 2020-05-19 设计创作，主要内容包括：本发明涉及医用运输设备技术领域,尤其是一种具有避震机构的万向轮,包括万向轮轮体,万向轮轮体中部设有滚柱轴承,万向轮轮体外侧设有若干个扇形橡胶块,万向轮轮体与扇形橡胶块通过缓冲片连接,万向轮轮体和扇形橡胶块之间通过限位连接机构连接,且万向轮轮体与扇形橡胶块之间连接有缓冲弹簧。本发明的一种具有避震机构的万向轮,在万向轮轮体与扇形橡胶块设置缓冲片,且将万向轮轮体与扇形橡胶块通过限位连接机构和缓冲弹簧连接,保证了万向轮连接的稳定性的同时,提高了万向轮的减震性能,在经过高低不平的地面时,能够减少或者消除震荡,增加医用推车、推床,轮椅等设备的平稳性,提高患者的舒适度,避免推车上的物品的倾倒。(The invention relates to the technical field of medical transportation equipment, in particular to a universal wheel with a shock absorption mechanism, which comprises a universal wheel body, wherein a roller bearing is arranged in the middle of the universal wheel body, a plurality of fan-shaped rubber blocks are arranged on the outer side of the universal wheel body, the universal wheel body is connected with the fan-shaped rubber blocks through buffer sheets, the universal wheel body is connected with the fan-shaped rubber blocks through a limiting connection mechanism, and a buffer spring is connected between the universal wheel body and the fan-shaped rubber blocks. According to the universal wheel with the shock absorption mechanism, the buffer sheet is arranged on the wheel body of the universal wheel and the fan-shaped rubber block, and the wheel body of the universal wheel and the fan-shaped rubber block are connected through the limiting connection mechanism and the buffer spring, so that the connection stability of the universal wheel is ensured, the shock absorption performance of the universal wheel is improved, the shock can be reduced or eliminated when the universal wheel passes through a rugged ground, the stability of equipment such as a medical cart, a push bed and a wheelchair is improved, the comfort level of a patient is improved, and the articles on the cart are prevented from toppling over.)

1. The utility model provides a universal wheel with mechanism of moving away to avoid possible earthquakes, includes universal wheel body (1), and universal wheel body (1) middle part is equipped with roller bearing (2), characterized by, the universal wheel body (1) outside is equipped with fan-shaped rubber piece (3) of a plurality of, universal wheel body (1) is connected through buffer plate (4) with fan-shaped rubber piece (3), connect through spacing coupling mechanism (5) between universal wheel body (1) and fan-shaped rubber piece (3), and be connected with buffer spring (6) between universal wheel body (1) and fan-shaped rubber piece (3).

2. The universal wheel with the shock absorbing mechanism as claimed in claim 1, wherein the sector rubber blocks (3) are circumferentially arrayed on the outer side surface of the wheel body (1) of the universal wheel, and the sector rubber blocks (3) are mutually attached to the sector rubber blocks (3).

3. The universal wheel with a shock absorbing mechanism as claimed in claim 1, wherein the number of the buffer plates (4) is corresponding to the number of the fan-shaped rubber blocks (3) and is a fan-shaped structure.

4. The universal wheel with the shock absorbing mechanism according to claim 1, wherein the limiting connection mechanism (5) is composed of a connection rod (7), a limiting plate (8) and a limiting spring (9), the two ends of the connection rod (7) are respectively fixed with one limiting plate (8), the two sides of the fan-shaped rubber block (3) and the universal wheel body (1) are respectively provided with a limiting groove (10) for placing the limiting plate (8), and the limiting spring (9) is fixed between the limiting plate (8) and the limiting groove (10).

5. The universal wheel with the shock absorbing mechanism as claimed in claim 1, wherein the fan-shaped rubber block (3) and the corresponding side surface of the universal wheel body (1) are respectively provided with a connecting groove (11) for connecting the buffer spring (6), and the buffer spring (6) is respectively fixed in the corresponding connecting groove (11) formed on the fan-shaped rubber block (3) and the universal wheel body (1).

6. The universal wheel with the shock absorbing mechanism as claimed in claim 1, wherein the wheel body (1) and the fan-shaped rubber blocks (3) are connected and limited through at least three limiting connection mechanisms (5).

7. The universal wheel with the shock absorbing mechanism as claimed in claim 1, wherein the universal wheel body (1) and the fan-shaped rubber blocks (3) are fixedly connected through at least two buffer springs (6).

8. The universal wheel with the shock absorbing mechanism as claimed in claim 1, wherein the connecting rod (7) of the limit connecting mechanism (5) is arranged in the universal wheel body (1) and the fan-shaped rubber block (3) through the buffer sheet (4), and the buffer spring (6) is arranged in the universal wheel body (1) and the fan-shaped rubber block (3) through the buffer sheet (4).

Technical Field

The invention relates to the technical field of medical transportation equipment, in particular to a universal wheel with a shock absorption mechanism.

Background

Medical carts, push beds and medical wheelchairs are widely used in medical places or home rehabilitation. Medical casters are an essential accessory on such devices. At present, clinical medical caster wheels have the advantages of light and handy operation, large elasticity, special ultra-silence, wear resistance and the like, but can still vibrate equipment when passing through uneven ground, even cause the equipment to be blocked, and greatly reduce the comfort of patients or the safety of articles.

Disclosure of Invention

In order to overcome the defect of poor buffer performance of the universal wheel on the conventional medical cart push bed, the invention provides the universal wheel with the shock absorption mechanism.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a universal wheel with mechanism of moving away to avoid possible earthquakes, includes the universal wheel body, is equipped with roller bearing in the middle part of the universal wheel body, the universal wheel body outside is equipped with the fan-shaped rubber piece of a plurality of, the universal wheel body passes through the buffer piece with fan-shaped rubber piece to be connected, be connected through spacing coupling mechanism between universal wheel body and the fan-shaped rubber piece, and be connected with buffer spring between universal wheel body and the fan-shaped rubber piece.

Furthermore, the rubber blocks are circumferentially arrayed on the outer side face of the universal wheel body, and the rubber blocks are mutually attached.

Furthermore, the number of the buffer sheets is consistent with that of the fan-shaped rubber blocks, and the buffer sheets are of fan-shaped structures.

Further, constitute by connecting rod, limiting plate and spacing spring including spacing coupling mechanism, the connecting rod both ends are fixed with a limiting plate respectively, the spacing groove that is used for placing the limiting plate is all offered to fan-shaped rubber piece and universal wheel body both sides, be fixed with spacing spring between limiting plate and the spacing groove.

Furthermore, the fan-shaped rubber block and the corresponding side face of the universal wheel body are provided with connecting grooves for connecting buffer springs, and the buffer springs are respectively fixed in the corresponding connecting grooves arranged on the fan-shaped rubber block and the universal wheel body.

Furthermore, the universal wheel body and the fan-shaped rubber block are connected and limited through at least three limiting connection mechanisms.

Furthermore, the universal wheel body and the fan-shaped rubber block are fixedly connected through at least two buffer springs.

Furthermore, a connecting rod in the limiting connecting mechanism penetrates through the buffer sheet and is arranged in the universal wheel body and the fan-shaped rubber block, and the buffer spring penetrates through the buffer sheet and is arranged in the universal wheel body and the fan-shaped rubber block.

The universal wheel with the shock absorption mechanism has the beneficial effects that the buffer sheet is arranged on the wheel body of the universal wheel and the fan-shaped rubber block, and the wheel body of the universal wheel is connected with the fan-shaped rubber block through the limiting connection mechanism and the buffer spring, so that the shock absorption performance of the universal wheel is improved while the connection stability of the universal wheel is ensured, when the universal wheel passes through a rugged ground, the shock can be reduced or eliminated, the stability of equipment such as a medical cart, a push bed and a wheelchair is improved, the comfort level of a patient is improved, and the articles on the cart are prevented from toppling over.

Drawings

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is a schematic view of the internal connection structure of the caster wheel body and the rubber sector in FIG. 1;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

In the figure, 1, a universal wheel body, 2, a roller bearing, 3, a fan-shaped rubber block, 4, a buffer sheet, 5, a limiting connection mechanism, 6, a buffer spring, 7, a connecting rod, 8, a limiting plate, 9, a limiting spring, 10, a limiting groove and 11, a connection groove are formed.

Detailed Description

As shown in fig. 1, which is a schematic structural diagram of the present invention, a universal wheel with a shock absorbing mechanism includes a universal wheel body 1, a roller bearing 2 is disposed in the middle of the universal wheel body 1, a plurality of fan-shaped rubber blocks 3 are disposed on the outer side of the universal wheel body 1, the universal wheel body 1 is connected with the fan-shaped rubber blocks 3 through buffer sheets 4, the universal wheel body 1 is connected with the fan-shaped rubber blocks 3 through a limiting connection mechanism 5, and a buffer spring 6 is connected between the universal wheel body 1 and the fan-shaped rubber blocks 3.

Referring to fig. 1 and 2, the fan-shaped rubber blocks 3 are circumferentially arrayed on the outer side surface of the universal wheel body 1, and the fan-shaped rubber blocks 3 are attached to the fan-shaped rubber blocks 3.

As shown in fig. 1 and 2, the number of the buffer pieces 4 is the same as the number of the fan-shaped rubber blocks 3, and the buffer pieces are all of fan-shaped structures.

Referring to fig. 2 and 3, the limiting connection mechanism 5 is composed of a connection rod 7, a limiting plate 8 and a limiting spring 9, the two ends of the connection rod 7 are respectively fixed with one limiting plate 8, the two sides of the fan-shaped rubber block 3 and the two sides of the universal wheel body 1 are both provided with a limiting groove 10 for placing the limiting plate 8, and the limiting spring 9 is fixed between the limiting plate 8 and the limiting groove 10. Spacing coupling mechanism 5 plays the effect of connecting universal wheel body 1 and fan-shaped rubber piece 3, plays spacing and increase elastic effect between the two simultaneously, improves its buffer capacity.

As shown in fig. 2 and fig. 3, the corresponding side surfaces of the fan-shaped rubber block 3 and the universal wheel body 1 are both provided with a connecting groove 11 for connecting the buffer spring 6, and the buffer spring 6 is respectively fixed in the corresponding connecting groove 11 provided on the fan-shaped rubber block 3 and the universal wheel body 1.

Referring to fig. 1 and 2, the universal wheel body 1 and the fan-shaped rubber blocks 3 are connected and limited through at least three limiting connection mechanisms 5.

Referring to fig. 1 and 2, the universal wheel body 1 and the fan-shaped rubber block 3 are fixedly connected through at least two buffer springs 6.

Referring to fig. 1 and 2, a connecting rod 7 of the limiting connection mechanism 5 penetrates through the buffer sheet 4 and is arranged in the universal wheel body 1 and the fan-shaped rubber block 3, and the buffer spring 6 penetrates through the buffer sheet 4 and is arranged in the universal wheel body 1 and the fan-shaped rubber block 3.

When in use, the buffer sheet 4 is arranged between the universal wheel body 1 and the fan-shaped rubber block 3, the universal wheel body 1 and the fan-shaped rubber block 3 are connected through the limiting connecting mechanism 5, the connecting rod 7 passes through the buffer sheet 4 and is respectively arranged in the universal wheel body 1 and the fan-shaped rubber block 3, and the two ends of the connecting rod are respectively fixed with a limiting plate 8 arranged in a limiting groove 10 to play a role of limiting connection, the limiting spring 9 is fixed between the limiting plate 8 and the limiting groove 10 to play a role of shock absorption, and simultaneously, the buffer spring 6 is connected in a connecting groove 11 arranged between the universal wheel body 1 and the fan-shaped rubber block 3 to further improve the buffer capacity of the universal wheel, ensure the stability of the connection of the universal wheel, improve the shock absorption performance of the universal wheel, reduce or eliminate shock when passing through uneven ground, increase the stability of equipment such as medical trolleys, push beds and wheelchairs, the comfort of the patient is improved, and the articles on the cart are prevented from being toppled.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.