CN218805009U - Non-inflatable tire - Google Patents

Abstract

The application discloses a non-inflatable tire, which comprises a hub, an outer tire and a support body connected between the hub and the outer tire, wherein the support body comprises an inner abutting part abutted against the outer wall of the hub, an outer abutting part abutted against the outer tire and a spoke group arranged between the outer abutting part and the inner abutting part, and a damping space is further arranged on the outer abutting part, so that when a vehicle runs, the vehicle can be effectively damped, the condition that the driving experience is influenced due to the fact that the vehicle cannot be damped when the vehicle runs because the rigidity of the spoke group is high is avoided, the condition that the vibration of the vehicle is large because the rigidity of the spoke group is high in the running process of the vehicle is effectively avoided, and the vehicle has better comfort in the running process; simultaneously, compare in traditional pneumatic tire, the condition of disappointing and blowing out is not afraid of to the non-pneumatic tire in this application, need not to inflate the vehicle, and then need not to be provided with the device of measuring vehicle tire pressure to the vehicle, has reduced the cost of production vehicle.

Description

Non-inflatable tire

Technical Field

The application belongs to the technical field of vehicles, and particularly relates to a non-inflatable tire.

Background

The tire usually includes a pneumatic tire and a non-pneumatic tire, the pneumatic tire is prone to air leakage during long-term use, and in order to ensure normal use of the tire, the tire needs to be inflated periodically to avoid tire burst and other situations. In the inflation process, a higher standard is required for the gas filled in the tire, the tire is inflated too much, and when a vehicle runs in a high-temperature environment for a long time, the tire is easy to burst, and meanwhile, the tire with too much gas in the tire is hard, so that the comfort performance is easy to influence; on the other hand, the tire is in a long-term under-inflated state, which may cause the abrasion of the tire. In order to solve the above problems, a non-pneumatic tire has been developed, and an existing non-pneumatic tire generally includes a hub, a cover tire, and a spoke set disposed between the hub and the cover tire, and the cover tire is supported by the spoke set so that the non-pneumatic tire can normally run.

SUMMERY OF THE UTILITY MODEL

The application provides a mechanical engineering's hydraulic system to solve above-mentioned non-pneumatic tire because the great poor technical problem of shock attenuation effect that leads to of spoke group hardness.

The technical scheme adopted by the application is as follows: the utility model provides a non-pneumatic type tire, including wheel hub, cover tire and connect in wheel hub with the supporter between the cover tire, the supporter include with the interior butt portion of the outer wall butt of wheel hub, with the outer butt portion of cover tire butt and set up in outer butt portion and the spoke group between the interior butt portion, still be provided with the shock attenuation space on the outer butt portion.

The drive system in the present application also has the following additional technical features:

the outer abutting portion is provided with a plurality of through holes along the circumferential direction of the tire, and the through holes form the damping space.

The outer wall of the outer abutting part is provided with a plurality of inwards concave grooves, and the grooves form the damping space.

The two ends of the outer wall of the outer abutting part are respectively provided with the grooves, and the grooves at the two ends of the outer abutting part are not continuous in the axial direction.

The spoke group comprises a first spoke group and a second spoke group, wherein the first spoke group is arranged along the circumferential direction of the inner abutting part at intervals, the second spoke group is arranged close to the first spoke group, the first spoke group and the second spoke group respectively comprise a plurality of first spokes and second spokes which are arranged along the circumferential direction of the tire, the first spokes and the second spokes respectively extend towards the radial direction in an inclined mode, and the inclined directions of the first spokes and the second spokes are opposite.

The first spoke group and the second spoke group are both of arc structures.

The radial projections of the first and second spokes have overlapping portions.

The two first spokes and the second spoke which are overlapped are of an integrally formed structure.

The hub and the support body are of a detachable connection structure.

One of the hub and the inner abutting part is provided with a limiting bulge, and the other of the hub and the inner abutting part is provided with a limiting groove matched with the limiting bulge so as to connect the hub with the spoke set.

Due to the adoption of the technical scheme, the beneficial effects obtained by the application are as follows:

1. according to the damping space arranged on the external abutting part, when a vehicle runs, the damping space can provide a deformation space for the outer cover, so that the condition that the vehicle generates vibration due to the fact that the deformation of the tire is transmitted to the hub is avoided, the tire can effectively damp, and the condition that driving experience is influenced due to the fact that the rigidity of the spoke group is large and the vehicle cannot damp when running is avoided; simultaneously, compare in traditional pneumatic tire, the condition of disappointing and blowing out is not afraid of to non-pneumatic tire in this application, need not to inflate the vehicle, and then need not to be provided with the device of measuring vehicle tire pressure to the vehicle, the structure of vehicle has been simplified, the cost of producing the vehicle has been reduced, therefore, this application not only has traditional non-pneumatic tire and is not afraid of the advantage of blowing out and pressure release, still effectual promotion drive experience, when so that the driver can have better drive experience, still need not to worry the problem of vehicle pressure release and blowing out.

2. According to the shock-absorbing structure, the outer abutting part is provided with the plurality of through holes along the circumferential direction of the tire to form the shock-absorbing space, and the through holes provide a deformation space for the supporting body, so that the shock-absorbing performance of the tire is improved, the situation that the tire can effectively avoid vibration in the running process is avoided, and the shock-absorbing performance of the non-inflatable tire is improved; meanwhile, the through holes can also dissipate heat, the condition that the normal running of the vehicle is influenced due to overhigh temperature of tires in the running process of the vehicle is avoided, and the normal running of the vehicle is ensured.

3. The outer wall of the external abutting part is provided with the plurality of inwards concave grooves to form the damping space, so that the grooves provide a deformation space for the outer tire, the vehicle can be effectively prevented from vibrating in the running process, and the damping performance of the tire is further improved; simultaneously, when the high temperature, the recess can also compensate the tire is because the condition that thermal expansion produced the deformation avoids the supporter thermal expansion leads to right the cover tire produces the extrusion and leads to influencing the condition that the tire normally used, has guaranteed the reliability of tire work.

4. The grooves are formed in the two ends of the outer wall of the outer abutting part respectively, so that the two sides of the tire can effectively avoid the vibration condition in the working process, the groove is prevented from being formed in one side, when one side, which is not provided with the groove, rolls raised objects such as raised stone, sand and the like, the tire cannot effectively absorb the vibration, the vehicle is bumpy, all positions of the tire can effectively absorb the vibration, and the vibration absorption performance of the tire is further ensured; simultaneously, through will set up in the recess at external butt portion both ends is discontinuous in the axial, so that the cover tire with the supporter all has the part of connection in circumference, and then has guaranteed the cover tire with the steadiness that the supporter is connected avoids the cover tire with the separation appears between the supporter and leads to the condition that influences the normal driving of vehicle, has guaranteed the reliability of the work of tire.

5. This application is through inciting somebody to action the spoke group sets up to follow first spoke group that interior butt portion circumference interval set up and be close to in the second spoke group that first spoke group set up, first spoke group with second spoke group all extends towards the radial direction slope, and first spoke group with the slope opposite direction of second spoke group, works as first spoke group is located one side with ground contact, first spoke group atress, the power that first spoke group received transmits through the part of next-door neighbour for second spoke group has increased the quantity of the spoke of atress, so that the atress of tire is more even, avoids because the area of contact of tire and ground is less, and only a small number of spokes atress leads to the spoke atress great, and the condition of spoke damage has promoted the life of spoke group.

6. This application is through inciting somebody to action first spoke group with second spoke group all sets up to curved structure to make the vehicle when the in-process of traveling, curved spoke group can play the effect of buffering, and then has avoided the vehicle to produce the condition of vibrations, has further promoted the shock-proof performance of tire.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic structural view of a non-pneumatic tire according to one embodiment of the present application;

FIG. 2 is a schematic view of another angle configuration of a non-pneumatic tire according to one embodiment of the present application;

FIG. 3 is an exploded view of a non-pneumatic tire according to one embodiment of the present application.

1-a hub; 2-cover tyre; 3-support, 31-inner abutment, 32-outer abutment, 321-through hole, 33-spoke group, 331-first spoke group and 332-second spoke group.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like refer to orientations or positional relationships based on those illustrated in the drawings, merely to facilitate description of the application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

As shown in fig. 1 to 3, the present application provides a non-pneumatic tire, which includes a hub 1, a tire casing 2 and a support body 3 connected between the hub 1 and the tire casing 2, wherein the support body 3 includes an inner abutting portion 31 abutting against an outer wall of the hub 1, an outer abutting portion 32 abutting against the tire casing 2, and a spoke set 33 disposed between the outer abutting portion 32 and the inner abutting portion 31, and a shock absorbing space is further disposed on the outer abutting portion 32.

By arranging the damping space on the external abutting part 32, when a vehicle runs, the damping space can provide a deformation space for the outer tire 2, so that the condition that the vehicle generates vibration due to the fact that the deformation of the tire is transmitted to the hub 1 is avoided, the tire can effectively damp, and the condition that the driving experience is influenced due to the fact that the vehicle cannot damp when the vehicle runs due to the fact that the rigidity of the spoke set 33 is high is avoided; simultaneously, compare in traditional pneumatic tire, the non-pneumatic tire in this application is not afraid of the condition of losing heart and flat child, need not to aerify the vehicle, and then need not to be provided with the device of measuring vehicle tire pressure to the vehicle, the structure of vehicle has been simplified, the cost of producing the vehicle has been reduced, therefore, this application not only has the advantage that traditional non-pneumatic tire is not afraid of flat child and pressure release, still effectual promotion ride experience, so that when the driver can have better ride experience, still need not to worry the problem of vehicle pressure release and flat child.

It should be noted that, the structure of the shock absorbing space is not specifically limited in the present application, and may be one of the following embodiments:

the first embodiment is as follows: as shown in fig. 1, the outer contact portion 32 has a plurality of through holes 321 opened in the circumferential direction of the tire, and the plurality of through holes 321 form the damper space.

The external abutting part 32 is provided with a plurality of through holes 321 along the circumferential direction of the tire to form the shock absorption space, and the through holes 321 provide a deformation space for the support body 3, so that the shock absorption performance of the tire is improved, the situation that the tire can effectively avoid vibration in the driving process is avoided, and the shock absorption performance of the non-inflatable tire is improved; meanwhile, the through holes 321 can also dissipate heat, so that the condition that the normal running of the vehicle is influenced due to overhigh temperature of the tires in the running process of the vehicle is avoided, and the normal running of the vehicle is ensured.

The second embodiment: the outer wall of the outer abutting part 32 is provided with a plurality of grooves which are inwards sunken, and the grooves form the damping space.

A plurality of inward concave grooves are formed in the outer wall of the external abutting part 32 to form the shock absorbing space, so that the grooves provide a deformation space for the outer tire 2, the vehicle can be effectively prevented from vibrating during the running process, and the shock absorbing performance of the tire is further improved; simultaneously, when the high temperature, the recess can also remedy the tire is avoided owing to the condition that thermal expansion produced the deformation the supporter 3 thermal expansion leads to right cover tire 2 produces the extrusion and leads to influencing the condition of tire normal use, has guaranteed the reliability of tire work.

Further, the two ends of the outer wall of the external abutting portion 32 are respectively provided with the grooves, and the grooves formed at the two ends of the external abutting portion 32 are not continuous in the axial direction.

The grooves are respectively formed in the two ends of the outer wall of the outer abutting part 32, so that the two sides of the tire can effectively avoid the vibration condition in the working process, the groove is prevented from being formed in one side, when one side which is not provided with the grooves rolls raised objects such as raised stone, sand and the like, the tire cannot effectively absorb the vibration, the vehicle is bumpy, all positions of the tire can effectively absorb the vibration, and the vibration absorption performance of the tire is further ensured; simultaneously, through will set up in the recess at external butt portion 32 both ends is discontinuous in the axial, so that cover tire 2 with supporter 3 all has the part of connection in the week, and then guaranteed cover tire 2 with the steadiness that supporter 3 is connected avoids cover tire 2 with the separation appears between supporter 3 and leads to the condition that influences the normal driving of vehicle, has guaranteed the reliability of the work of tire.

As a preferred embodiment of the present application, as shown in fig. 1, the spoke set 33 includes a first spoke set 331 disposed at intervals along the circumferential direction of the inner abutment 31 and a second spoke set 332 disposed adjacent to the first spoke set 331, each of the first spoke set 331 and the second spoke set 332 includes a plurality of first spokes and second spokes arranged along the circumferential direction of the tire, each of the first spokes and the second spokes extends obliquely in a radial direction, and the first spokes and the second spokes have opposite inclination directions.

By arranging the spoke groups 33 as a first spoke group 331 arranged at intervals circumferentially along the inner abutment 31 and a second spoke group 332 arranged adjacent to the first spoke group 331, the first spoke group 331 and the second spoke group 332 both extend obliquely in a radial direction, and the first spoke group 331 and the second spoke group 332 are inclined in opposite directions, when the first spoke group 331 is positioned on the side in contact with the ground, the first spoke group 331 is subjected to a force, the force applied to the first spoke group 331 is transmitted to the second spoke group 332 through the adjacent part, the number of spokes subjected to the force is increased, so that the force applied to the tire is more uniform, the condition that the spokes are subjected to a larger force due to a smaller contact area between the tire and the ground and only a small number of spokes are subjected to a larger force is avoided, and the service life of the spoke groups 33 is prolonged.

Further, as shown in fig. 2, the first spoke set 331 and the second spoke set 332 are both arc-shaped structures.

Through with first spoke group 331 with second spoke group 332 all sets up to curved structure to make the vehicle when the in-process that traveles, curved spoke group 33 can play the effect of buffering, and then has avoided the vehicle to produce the condition of vibrations, has further promoted the shock-absorbing capacity of tire.

In one preferred embodiment, the first spoke and the second spoke have overlapping radial projections.

By arranging the radial projections of the first spoke and the second spoke to have overlapped parts, the continuity of the spoke group 33 in the radial direction is ensured, so that the supporting force from the spoke group 33 can be received no matter the tire rotates to any position to be in contact with the ground in the running process of the vehicle, the phenomenon that the spoke group 33 is notched at a certain position and is sunken and then vibrates when the position is in contact with the ground due to the heavy mass of the vehicle is avoided, and the stability of the vehicle in the running process is ensured.

Further, the two first spokes and the second spoke which are overlapped are of an integrally formed structure.

The two overlapped first spokes and the two overlapped second spokes are arranged into an integrally formed structure, so that the firmness of the connection of the first spokes and the second spokes is ensured, the condition that the spokes are driven to move by vehicle vibration to cause collision between the first spokes and the second spoke to generate noise is avoided, and the driving experience of a driver is improved; simultaneously, can also effectively promote spoke group 33's hardness, and then it is right to have promoted the support performance of cover tire 2, guaranteed that the vehicle can not produce the condition that the inside sunken vibrations that produce at the in-process of traveling, further guaranteed the stability of vehicle at the in-process of traveling.

In a preferred embodiment of the present application, the hub 1 and the supporting body 3 are detachably connected.

Through inciting somebody to action wheel hub 1 with supporter 3 sets up to detachable structure, works as when supporter 3 breaks down, the convenience will supporter 3 is dismantled and is overhauld or is changed, avoids with wheel hub 1 with spoke group 33 sets up to non-detachable and leads to working as the condition that the supporter 3 breaks down needs to be changed whole tires is whole, has simplified the maintenance the step of tire has reduced the maintenance the cost of tire.

It should be noted that, the connection mode of the hub 1 and the susonghu support body 3 is not specifically limited in the present application, and as a preferred mode of the present application, one of the hub 1 and the inner abutting portion 31 is provided with a limiting protrusion, and the other one of the hub 1 and the inner abutting portion 31 is provided with a limiting groove matched with the limiting protrusion, so as to connect the hub 1 and the spoke set 33.

Through will wheel hub 1 with one of the two of interior butt portion 31 is provided with spacing arch, the other of the two be provided with spacing protruding complex spacing recess to with wheel hub 1 with supporter 3 is connected, need not to establish connecting device in addition, has simplified the holistic structure of tire, simultaneously, has still guaranteed the lightweight of tire, has reduced the quality of tire, and then has reduced the quality of vehicle, has reduced the power consumption of vehicle.

It should be noted that, this application is right spacing arch with the quantity of spacing recess does not specifically limit, and it can be a set of, also can be multiunit, preferably, spacing recess with spacing arch corresponds is provided with the multiunit.

Through inciting somebody to action spacing recess with spacing arch is provided with the multiunit, has guaranteed wheel hub 1 with the joint strength of supporter 3 avoids appearing wheel hub 1 with the condition of supporter 3 separation has guaranteed the normal travel of vehicle.

Where not mentioned in this application, can be accomplished using or referencing existing technology.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (10)

1. The utility model provides a non-pneumatic tire which characterized in that, including wheel hub, cover tire and connect in wheel hub with the supporter between the cover tire, the supporter include with the interior butt portion of wheel hub's outer wall butt, with the outer butt portion of cover tire butt and set up in outer butt portion and the spoke group between the interior butt portion, still be provided with the shock attenuation space on the outer butt portion.

2. The non-pneumatic tire as claimed in claim 1, wherein said external abutment portion defines a plurality of through-holes along a circumferential direction of said tire, said plurality of through-holes defining said shock-absorbing space.

3. A non-pneumatic tire as in claim 1, wherein said outboard abutment has an outer wall defining a plurality of inwardly recessed grooves, said grooves defining said shock absorbing space.

4. A non-pneumatic tire as in claim 3, wherein said grooves are formed in both ends of the outer wall of said outer abutment, and wherein said grooves formed in both ends of said outer abutment are axially discontinuous.

5. The non-pneumatic tire of claim 1, wherein the spoke set includes a first spoke set spaced circumferentially about the inner abutment and a second spoke set disposed immediately adjacent to the first spoke set, the first and second spoke sets each including a plurality of first and second spokes aligned circumferentially about the tire, the first and second spokes each extending obliquely in a radial direction, the first and second spokes being inclined in opposite directions.

6. The non-pneumatic tire of claim 5 wherein said first set of spokes and said second set of spokes each have an arcuate configuration.

7. The non-pneumatic tire of claim 5 wherein the radial projections of the first and second spokes have overlapping portions.

8. The non-pneumatic tire of claim 7 wherein the two first spokes and the second spoke that overlap are of unitary construction.

9. A non-pneumatic tire as in claim 1, wherein said hub and said support are removably connected.

10. A non-pneumatic tire as claimed in claim 9, wherein one of said hub and said inner abutment is provided with a retaining projection and the other of said hub and said inner abutment is provided with a retaining recess for engaging said retaining projection to connect said hub to said set of spokes.

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