CN211364136U

CN211364136U - Inflation-free wheel

Info

Publication number: CN211364136U
Application number: CN201922410877.9U
Authority: CN
Inventors: 付兴伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-28
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses an exempt from to aerify wheel, aim at overcoming the problem that tire both sides and wheel hub take place to drop easily among the prior art, it includes wheel hub, wheel hub's fixed annular portion that is provided with in week, a plurality of through-holes have been seted up in the annular portion, wheel hub's the fixed tire that is provided with in week still, the annular portion adaptation that has the through-hole is in the tire, wheel hub's the fixed portion of falling hook who is provided with a plurality of annular portion both sides that are located in week, the portion of falling hook also adaptation is in the tire, tire and annular portion straining are in the same place, the portion of falling hook and the tire of annular portion both sides are also straining in the same place.

Description

Inflation-free wheel

Technical Field

The utility model belongs to a wheel, in particular to an inflation-free wheel.

Background

The inflation-free wheel is a wheel without inflation, does not need air, and only utilizes the material and the structure of the tire to realize the functions of supporting and buffering.

The utility model discloses a notice number "CN 204451826U"'s utility model discloses a exempt from to aerify wheel for bassinet, including wheel hub and tire, be provided with the mounting ring groove that is used for installing the tire on the outer periphery of wheel hub, the characteristics are that an organic whole is provided with the beaded finish piece on the mounting ring groove, be provided with a plurality of through-holes along its circumferencial direction evenly distributed on the beaded finish piece, the internal surface of mounting ring groove an organic whole is provided with many evenly distributed anti-skidding protruding muscle, tire and wheel hub combine into an organic whole through the injection moulding, and during the injection moulding, the injection molding material of tire gets into the through-hole, the beaded finish piece is located the tire; the tire has the advantages that the tire and the hub are combined into a whole, the reinforcing ring piece is positioned in the tire and combined with the tire into a whole, and the injection molding material of the tire enters the through hole of the reinforcing ring piece at the same time, so that the tire has the function of pulling force, the tire is firmly fixed on the hub, after long-time use, the tire cannot deflect and slide relative to the hub, and can not fall off from the hub, and the reliability is good.

However, the prior art is not perfect, the tire and hub combined structure plays a certain anti-falling effect, but the tire and the hub cannot be prevented from falling off partially, gaps are easily generated between the two sides of the tire and the hub, and foreign matters easily enter the gaps to damage the wheel.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art and the existing problems, the utility model provides an all-round matched inflation-free wheel.

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

the utility model provides an exempt from to aerify wheel, includes wheel hub, and wheel hub's fixed annular portion that is provided with in circumference has seted up a plurality of through-holes in the annular portion, and wheel hub's the fixed tire that is provided with in circumference still, and the annular portion adaptation that has the through-hole is in the tire, and wheel hub's the fixed barb portion that is provided with a plurality of both sides that are located annular portion in circumference still, and barb portion also adaptation is in the tire.

Preferably, the barb portion and the through hole are offset from each other in the circumferential direction of the hub.

Preferably, the barb parts are symmetrically arranged on two sides of the annular part.

Preferably, the tire is formed with a recess provided between adjacent barb portions on either side of the annular portion.

Preferably, the tire is made of rubber, and the tire is arranged in the circumferential direction of the hub by adopting a plastic molding process.

Preferably, the wheel hub comprises a wheel core, a spoke and a wheel rim which are sequentially arranged from inside to outside, the spoke is composed of a plurality of supporting units, and the cross section of each supporting unit is in an X shape.

Preferably, the core, spokes and rim are integrally formed together.

Preferably, the hub is part of an in-wheel motor.

Preferably, the number of the barb parts on any one side of the annular part is at least three, and the barb parts on any one side of the annular part are uniformly arranged on the hub along the circumferential direction of the hub.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

(1) the tire and the annular part are fastened together, the barb parts on the two sides of the annular part and the tire are also fastened together, the annular part prevents the tire from falling off from the hub, the barb parts prevent the two sides of the tire and the hub from generating gaps, and the tire and the hub are matched together in all directions, so that the inflation-free wheel has the advantages of all-directional matching, tight connection and durability.

(2) The barb parts and the through holes are staggered in the circumferential direction of the hub, so that the problem of low production yield caused by the fact that the barb parts block rubber materials from entering the through holes is solved.

(3) The design of the recess enables the tire to achieve the purpose of light weight, the material consumption is reduced, and the production cost is further reduced.

(4) The cross section of the supporting unit is X-shaped, the supporting unit adopts a hollow design, on one hand, the weight of the wheel hub is reduced, on the other hand, the self resilience and energy absorption effects of the hollow wheel hub are improved, the buffering and damping effects can be achieved together with the tire, and the use comfort of the inflation-free tire is further improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of a wheel hub in the present invention;

FIG. 3 is a schematic structural view of a tire according to the present invention;

in the figure: 1-wheel hub, 2-tyre, 11-wheel core, 12-supporting unit, 13-wheel rim, 14-annular part, 15-barb part, 21-recess and 141-through hole.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 3, an inflation-free wheel mainly serves as a wheel of a balance car, an electric vehicle and the like, and comprises an in-wheel motor, wherein the in-wheel motor comprises a wheel hub 1, an annular portion 14 is fixedly arranged on the circumferential direction of the wheel hub 1, the overall structure of the annular portion 14 is annular, the annular portion 14 surrounds the circumferential direction of the wheel hub 1, a plurality of through holes 141 are formed in the annular portion 14, the number of the through holes 141 is at least three, and the through holes 141 are uniformly formed in the annular portion 14 along the length direction of the annular portion 14.

Still fixedly on the circumference of wheel hub 1 be provided with tire 2, tire 2 adopts the rubber that is rich in elasticity and wear-resisting to make, has improved tire 2's antidetonation effect and durability. And the tire 2 is arranged in the circumferential direction of the tire 2 by adopting a plastic molding process, specifically, the plastic molding process can be integrated injection molding, when the tire 2 is subjected to injection molding, the annular part 14 and the barb part 15 are conveniently and fully wrapped by rubber, and after the rubber is hardened, the tire 2 and the hub 1 can be tightly matched together.

The ring portion 14 with the through hole 141 is fitted in the tire 2, the tire 2 is partially located in the through hole 141, the tire 2 and the ring portion 14 are fastened together, and the ring portion 14 prevents the tire 2 from falling off the hub 1.

The annular portion 14 can be integrally formed on the hub 1, so that plastic parts are reduced, assembly is simplified, and production cost is reduced.

A plurality of barb parts 15 are fixedly arranged on the circumferential direction of the hub 1, the barb parts 15 are arranged on two sides of the annular part 14, and the barb parts 15 are also matched in the tire 2.

The barb portion 15 may also be integrally formed on the hub 1, further reducing the production cost.

The tire 2 and the annular part 14 are fastened together, the barb parts 15 on both sides of the annular part 14 and the tire 2 are also fastened together, the annular part 14 prevents the tire 2 from falling off the hub 1, the barb parts 15 prevent gaps from being generated between both sides of the tire 2 and the hub 1, and the tire 2 and the hub 1 are fitted together in all directions, so that the inflation-free wheel has the advantages of all-directional fitting, tight connection and durability.

The barb parts 15 are symmetrically arranged on two sides of the annular part 14, and the barb parts 15 on two sides of the annular part 14 have the same matching effect with the tire 2.

The barb part 15 and the through hole 141 are staggered in the circumferential direction of the hub 1, so that the problem of low production yield caused by the fact that the barb part 15 blocks rubber materials from entering the through hole 141 is solved.

The outer side of the tire 2 is provided with a recess 21, the recess 21 is arranged between adjacent barb parts 15 on any side of the annular part 14, and the design of the recess 21 enables the tire 2 to achieve the purpose of light weight, reduces the material consumption and further reduces the production cost.

The number of the barb parts 15 on any side of the annular part 14 is at least three, and the barb parts 15 on any side of the annular part 14 are uniformly arranged on the hub 1 along the circumferential direction of the hub 1.

The wheel hub 1 comprises a wheel core 11, a spoke and a rim 13, wherein the wheel core 11 is hollow, a stator (not shown in the figure) of a wheel hub motor is arranged in the wheel core 11, the spoke and the rim 13 are sequentially arranged together from inside to outside, specifically, the wheel core 11, the spoke and the rim 13 are integrally formed by plastic, and the plastic has certain elasticity. The barb portion 15 and the annular portion 14 are integrally formed in the circumferential direction of the rim 13.

The spoke comprises a plurality of support element 12, a plurality of support element 12 set up evenly along the circumference of wheel core 11, support element 12's transversal personally submitting "X" style of calligraphy, support element 12 adopts the design of fretwork formula, the weight of wheel hub 1 has been alleviateed on the one hand, wheel hub 1 of on the other hand fretwork formula has improved the resilience and the energy-absorbing effect of self, can play the absorbing effect of buffering with tire 2 together, the travelling comfort that this exempt from pneumatic tire 2 used has further been improved.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an exempt from pneumatic wheel, including wheel hub (1), wheel hub (1) fixed annular portion (14) of being provided with in the circumference, a plurality of through-holes (141) have been seted up on annular portion (14), wheel hub (1) still fixed tire (2) of being provided with in the circumference, annular portion (14) adaptation that has through-hole (141) is in tire (2), its characterized in that, wheel hub (1) still fixed a plurality of barb portions (15) that are located annular portion (14) both sides in the circumference, barb portion (15) also adaptation is in tire (2).

2. A non-pneumatic wheel as claimed in claim 1, characterized in that said barbs (15) and said through holes (141) are offset with respect to each other in the circumferential direction of the hub (1).

3. A non-pneumatic wheel as claimed in claim 1 or 2, characterized in that said barbs (15) are arranged symmetrically on either side of the annular portion (14).

4. A non-pneumatic wheel as claimed in claim 1, characterized in that said tyre (2) is formed with recesses (21), the recesses (21) being provided between adjacent barbs (15) on either side of the annular portion (14).

5. A non-pneumatic wheel as claimed in claim 1 or 4, characterized in that said tyre (2) is made of rubber and the tyre (2) is arranged on the hub (1) in the circumferential direction thereof by means of a plastic moulding process.

6. The inflation-free wheel of claim 1, 2 or 4, wherein the hub (1) comprises a wheel core (11), a spoke and a rim (13) which are arranged from inside to outside in sequence, the spoke is composed of a plurality of supporting units (12), and the cross section of each supporting unit (12) is in an X shape.

7. A non-pneumatic wheel as claimed in claim 6, wherein the core (11), spokes and rim (13) are integrally formed together.

8. A non-pneumatic wheel as claimed in claim 1, wherein the hub (1) is part of a hub motor.

9. A non-inflatable wheel according to claim 1, characterized in that the number of the barb portions (15) on either side of the annular portion (14) is at least three, and the barb portions (15) on either side of the annular portion (14) are arranged uniformly on the hub (1) in the circumferential direction of the hub (1).