CN216331185U

CN216331185U - Wheel spoke and airless tire

Info

Publication number: CN216331185U
Application number: CN202122496396.1U
Authority: CN
Inventors: 夏文俊; 余承阳; 夏阳俊
Original assignee: Zhejiang Peiyi Technology Co ltd
Current assignee: Zhejiang Peiyi Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-04-19
Anticipated expiration: 2031-10-15

Abstract

The utility model relates to a wheel disk and an airless tire, wherein the wheel disk comprises a wheel disk main body with a cross section being equal in section and at least one arc-shaped section, an elastic body is arranged on the inner wall of the arc-shaped section of the wheel disk main body, and the elastic body is made of rubber materials and is injected on the inner wall of the arc-shaped section of the wheel disk main body in a pressing mode. The airless tire comprises a tire tread, an inner hub, an outer rim and the spoke plate, wherein the tire tread is sleeved on the outer rim, and the inner hub is connected with the outer rim through the spoke plate distributed along the circumferential direction. The elastic body made of rubber is poured in the arc-shaped structure of the wheel disk, the elastic body plays a role in reinforcing the strength of the wheel disk on one hand, the reduction of the resilience of the wheel disk caused by deformation after the wheel disk is pressed for a long time is reduced, and the elastic body has a shock absorption function on the other hand, and the shock in the driving process of a vehicle is reduced.

Description

Wheel spoke and airless tire

Technical Field

The utility model relates to the technical field of tires, in particular to a wheel disc and an airless tire.

Background

The airless tire is a tire which does not rely on air to realize supporting force, does not need inflation and is not afraid of puncture, thereby fundamentally solving the problem of tire burst and saving a large amount of rubber materials. For example, patent publication No. CN213441929U discloses a non-pneumatic tire with good restorability, in which a spoke plate is disposed between inner and outer rims of the non-pneumatic tire and the cross section of the spoke body is non-linear, and the non-pneumatic tire has the following problems in practical use: after the airless tire is used for a period of time, the toughness and the strength of the wheel plate of the airless tire are damaged by certain fatigue, the recovery capability of the airless tire after being pressed is greatly reduced, and the service life of the airless tire is shortened. Accordingly, there is a need for improvements and optimizations to existing non-pneumatic tires.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a wheel disc and an airless tire with reasonable structural design.

The technical scheme adopted by the utility model for solving the problems is as follows: a wheel spoke comprises a spoke main body which is of an equal section in cross section and at least has one arc-shaped section, and is characterized in that: and an elastic body is arranged on the inner wall of the arc-shaped section of the spoke plate main body.

Preferably, the elastomer is made of rubber and is injected on the inner wall of the arc-shaped section of the spoke plate main body in a pressing mode.

Preferably, the cross section of the spoke plate main body comprises two sections of first small arc-shaped sections and one section of first large arc-shaped section, the two sections of first small arc-shaped sections are symmetrically arranged relative to the one section of first large arc-shaped section, and the protruding directions of the first small arc-shaped section and the first large arc-shaped section are opposite to each other; and elastic bodies which are uniformly distributed at intervals are arranged on the inner walls of the two sections of the first small arc-shaped section and the first large arc-shaped section.

Preferably, the cross section of the spoke plate main body is semicircular and comprises a section of a second large arc-shaped section, and elastic bodies are uniformly distributed at intervals on the inner wall of the second large arc-shaped section.

Preferably, the transversal personally submitting "3" style of calligraphy of radials main part, it includes two sections No. three big segmental arcs and one section No. three little segmental arcs, two sections No. three big segmental arcs are about one section No. three little segmental arcs symmetrical arrangement, and the protruding direction of No. three big segmental arcs and No. three little segmental arcs is opposite each other, all is provided with the elastomer of interval equipartition on the inner wall of two sections No. three big segmental arcs and one section No. three little segmental arcs.

Preferably, the cross section of the spoke plate main body is S-shaped, the spoke plate main body comprises two large arc-shaped sections with opposite protruding directions, and elastic bodies are uniformly distributed at intervals on the inner walls of the two large arc-shaped sections.

Preferably, both ends of the spoke plate main body are integrally formed and connected with a hook structure, and the spoke plate main body and the hook structure are integrally pressed by spring steel sheets.

The utility model also provides an airless tire, which comprises a tire tread, an inner hub and an outer rim, and is characterized in that: still include foretell spoke plate, tire tread suit is on outer rim, interior hub through the spoke plate along circumference distribution with outer rim connects.

Preferably, the inner hub is connected to the outer rim via two circumferentially distributed wheel spokes.

Compared with the prior art, the utility model has the following advantages and effects: the elastic body made of rubber is poured in the arc-shaped structure of the wheel disk, the elastic body plays a role in reinforcing the strength of the wheel disk on one hand, the phenomenon that the wheel disk is deformed after being pressed for a long time to cause the reduction of the resilience of the wheel disk on the other hand, and the elastic body has the shock absorption effect on the other hand, so that the shock in the driving process of a vehicle is reduced.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive effort.

FIG. 1 is a front view of a wheel disc according to a first embodiment of the present invention.

FIG. 2 is a right side view schematic diagram of a wheel disc according to a first embodiment of the present invention.

FIG. 3 is a left side view of a wheel disc in accordance with a first embodiment of the present invention.

FIG. 4 is a schematic front view showing the structure of a wheel disk according to a second embodiment of the present invention.

FIG. 5 is a front view showing the structure of a spoke plate according to a third embodiment of the present invention.

FIG. 6 is a front elevational view of a web in accordance with a fourth embodiment of the present invention.

FIG. 7 is a schematic front view of an airless tire according to example five of the present invention (with the spokes oriented in the same manner).

FIG. 8 is a schematic front view showing the structure of an airless tire according to example five of the present invention (each adjacent two of the spokes are arranged symmetrically with respect to the radial centerline therebetween).

Description of reference numerals: an elastomer a; a tire tread 1; an inner hub 2; an outer rim 4; a spoke plate 3; the web main body 31; a hook structure 32; a small arc segment number one 310; a first large arc segment 311; a second large arc segment 312; a large arc segment No. three 313; a small arc segment number three 314; a large arc segment of size four 315.

Detailed Description

The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.

The first embodiment.

See fig. 1-3.

The wheel spoke 3 comprises a spoke main body 31 with a cross section being a uniform section and at least having one section of arc-shaped section, an elastic body a is arranged on the inner wall of the arc-shaped section of the spoke main body 31, two ends of the spoke main body 31 are integrally connected with a hook structure 32, and the spoke main body 31 and the hook structure 32 are formed by integrally pressing spring steel sheets.

In the first embodiment, the elastomer a is pressure-injected with the special rubber on the inner wall of the arc-shaped section of the radial plate main body 31, and the inner wall of the arc-shaped section of the radial plate main body 31 can be provided with the pouring vulcanization hole, so that the connection strength between the elastomer a and the radial plate main body 31 can be enhanced, and certainly, the pressure-injection vulcanization hole can be omitted, so that the firmness of the elastomer a is not affected, and the pressure-injection vulcanization hole only affects the feeding mode when the special rubber is pressure-injected, and is determined according to specific conditions.

As a preferable mode, the cross section of the web main body 31 in the first embodiment includes two small arc segments 310 and one large arc segment 311, the two small arc segments 310 are symmetrically arranged with respect to the one large arc segment 311, and the protruding directions of the small arc segment 310 and the large arc segment 311 are opposite to each other.

Two elastic bodies a are uniformly distributed at intervals on the inner walls of the two sections of the first small arc-shaped section 310 and the first large arc-shaped section 311. Of course, in other embodiments, the number of the elastic bodies a may be three, four, etc., which is determined according to the size of the spoke plate.

Example two.

Referring to fig. 4, a wheel spoke is also disclosed in the second embodiment, which is different from the first embodiment in that the shape of the spoke main body 31 is slightly different, the cross section of the spoke main body 31 in the second embodiment is semicircular, and the spoke main body only comprises a section of large arc-shaped section 312, and elastic bodies a are arranged on the inner wall of the large arc-shaped section 312 at intervals.

Example three.

Referring to fig. 5, a wheel spoke is also disclosed in the third embodiment, which is different from the first embodiment in that the shape of the spoke main body 31 is slightly different, the cross section of the spoke main body 31 in the third embodiment is in a shape of "3", and includes two sections of large arc-shaped section 313 and small arc-shaped section 314, the two sections of large arc-shaped section 313 are symmetrically arranged with respect to the small arc-shaped section 314, the protruding directions of the large arc-shaped section 313 and the small arc-shaped section 314 are opposite to each other, and elastic bodies a are uniformly distributed at intervals on the inner walls of the two sections of large arc-shaped section 313 and the small arc-shaped section 314.

Example four.

Referring to fig. 6, a wheel spoke is also disclosed in the fourth embodiment, which is different from the first embodiment in that the shape of the wheel spoke main body 31 is slightly different, the cross section of the wheel spoke main body 31 in the fourth embodiment is in an "S" shape, and includes two large arc-shaped sections 315 with opposite protruding directions, and elastic bodies a are uniformly arranged on the inner walls of the two large arc-shaped sections 315 at intervals.

Example five.

See fig. 7 and 8.

In the fifth embodiment, an airless tire is disclosed, which comprises a tire tread 1, an inner hub 2, an outer rim 4, and a wheel disk 3 described in the four embodiments. The wheel disk 3 mounted in the airless tire shown in fig. 7 and 8 employs the wheel disk set forth in example one. The wheel disc 3 is arranged in two ways: one is that the spokes are arranged in the same orientation, see FIG. 7; the other is that every two adjacent spokes are symmetrically arranged about a radial centerline therebetween, see FIG. 8. The spoke plate 3 that this embodiment five adopted is small-size spoke plate, compares with the spoke plate that has now adopted promptly, and the width of the spoke plate 3 that adopts in this embodiment is less than half of current spoke plate width, when specifically installing on airless tire like this, can install two rings of small-size spoke plate 3 side by side on airless tire, adopts both sides assembly mode, has the advantage of convenient assembly.

In the fifth embodiment, the tire tread 1 is a rubber tread, and is fitted around the outer rim 4. The inner hub 2 is connected with the outer rim 4 through a wheel web 3 distributed along the circumferential direction, and specifically, hook structures 32 at two ends of the wheel web 3 are respectively inserted and connected to the inner hub 2 and the outer rim 4.

The wheel disk 3 is made of spring steel sheets, so that the wheel disk 3 can generate elastic deformation when being subjected to radial pressure and can recover under the condition of pressure relief, but after the airless tire is used for a period of time, the toughness and the strength of the wheel disk 3 can be subjected to certain fatigue damage, the recovery capability after being pressed can be reduced, the service life of the wheel disk 3 can be prolonged, and on the other hand, the elastomer a has the shock absorption effect and reduces the shock in the vehicle running process, so that the elastomer a is injected on the wheel disk 3 in a pressing mode, on one hand, the elastomer a plays a role in reinforcing the strength of the wheel disk 3, the phenomenon that the wheel disk 3 deforms after being pressed for a long time to cause the degradation of the recovery capability is reduced, and the service life of the wheel disk 3 is prolonged.

Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.

Claims

1. A wheel web comprising a web body (31) of uniform cross-section and having at least one arcuate segment, characterized in that: and an elastic body (a) is arranged on the inner wall of the arc-shaped section of the spoke plate main body (31).

2. The wheel web of claim 1, wherein: the elastic body (a) is made of rubber materials and is injected on the inner wall of the arc-shaped section of the spoke plate main body (31) in a pressing mode.

3. The wheel web of claim 1, wherein: the cross section of the spoke plate main body (31) comprises two sections of first small arc-shaped sections (310) and first large arc-shaped sections (311), the two sections of first small arc-shaped sections (310) are symmetrically arranged relative to the first large arc-shaped section (311), and the protruding directions of the first small arc-shaped section (310) and the first large arc-shaped section (311) are opposite to each other; elastic bodies (a) are uniformly distributed at intervals on the inner walls of the two sections of the first small arc-shaped section (310) and the first large arc-shaped section (311).

4. The wheel web of claim 1, wherein: the cross section of the spoke plate main body (31) is semicircular and comprises a section of a second large arc-shaped section (312), and elastic bodies (a) are arranged on the inner wall of the second large arc-shaped section (312) at intervals and uniformly distributed.

5. The wheel web of claim 1, wherein: the transversal personally submitting "3" style of calligraphy of radials main part (31), it includes two sections No. three big arc sections (313) and one section No. three little arc sections (314), two sections No. three big arc sections (313) are about one section No. three little arc sections (314) symmetrical arrangement, and the direction of protrusion between No. three big arc sections (313) and No. three little arc sections (314) is opposite each other, all is provided with elastomer (a) of interval equipartition on the inner wall of two sections No. three big arc sections (313) and one section No. three little arc sections (314).

6. The wheel web of claim 1, wherein: the cross section of the spoke plate main body (31) is S-shaped, the spoke plate main body comprises two large arc-shaped sections (315) with opposite protruding directions, and elastic bodies (a) are uniformly distributed at intervals on the inner walls of the two large arc-shaped sections (315).

7. The wheel web according to any one of claims 1-6, wherein: the two ends of the spoke plate main body (31) are integrally connected with a hook structure (32), and the spoke plate main body (31) and the hook structure (32) are integrally pressed by spring steel sheets.

8. An airless tire comprising a tire tread (1), an inner hub (2) and an outer rim (4), characterized in that: also included is the wheel disc of any of claims 1 to 7, the tyre tread (1) being fitted over an outer rim (4), the inner hub (2) being connected to the outer rim (4) by a circumferentially distributed wheel disc.

9. The airless tire of claim 8, wherein: the inner hub (2) is connected with the outer wheel ring (4) through two wheel spokes distributed along the circumferential direction.