High-temperature-resistant radial tire

Abstract

The utility model discloses a high-temperature-resistant radial tire which comprises a tire body, and the tire body comprises a tire tread and a tire side wall; the thickened inner layer comprises a first part and a second part, the first part extends in the circumferential direction and faces the inner wall of the tread, the second part is arranged at the two ends of the first part in the first direction, the second part and the inner wall of the tire side are arranged at intervals in the axial direction to form an inflation cavity, the tire side is provided with an inflation hole, and the inflation hole is communicated with the inflation cavity; and the first direction intersects with the circumferential direction. The tire sidewall thickness can be increased, and the service life of the tire is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile, especially a kind of high temperature resistant radial tire. BACKGROUND

[0002] Radial tire is a structural form of tire, which is different from bias tire, arch tire and pressure regulating tire.

[0003] The friction temperature generated by the surface of the existing radial tire after a long time of rolling can cause high temperature in the interior of the carcass, which can cause the interior material of the carcass to age quickly, thereby reducing the service life of the carcass. In addition, the sidewall is relatively thin, which can cause it to be easily cracked, resulting in a large deformation of the sidewall and affecting the lateral stability and safety. Furthermore, the radial tire has poor vibration absorption capacity, and the tread can produce a lot of noise, which can affect the comfort of driving and the service life of the tire. SUMMARY

[0004] The utility model aims at solving the problem of thin sidewall affecting the service life of the tire. The utility model provides a high temperature resistant radial tire, which can increase the thickness of the sidewall and improve the service life of the tire.

[0005] To solve the above technical problems, the embodiment of the utility model discloses a high temperature resistant radial tire, which comprises:

[0006] The carcass comprises a tread and a sidewall.

[0007] The thickened inner layer comprises a first part and a second part. The first part extends along the circumferential direction and faces the inner wall of the tread. The second part is arranged at both ends of the first part and is spaced apart from the inner wall of the sidewall in the axial direction to form an inflation cavity. The sidewall is provided with an inflation hole, which is in communication with the inflation cavity and is used to inflate the inflation cavity. The first direction intersects the circumferential direction.

[0008] The first part of the thickened inner layer faces the inner wall of the tread, which can increase the thickness of the tread and prolong the service life of the tread. The second part is spaced apart from the inner wall of the sidewall in the axial direction to form an inflation cavity, and the inflation hole is in communication with the inflation cavity. By connecting the inflation tube to the inflation hole and injecting gas into the inflation cavity, the protection of the sidewall is increased, the stability of the tire pressure is maintained, the probability of tire burst is reduced, the safety factor of driving is improved, and the noise of the tire during driving is effectively reduced, and the quietness of driving is improved.

[0009] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, the second part comprises a first connecting section, one end of the first connecting section is connected with the first part, and the other end is bent towards the inner wall of the sidewall and connected therewith.

[0010] By adopting the above technical scheme, one end of the first connecting section is connected with the first part, and the other end is bent towards the inner wall of the sidewall and connected therewith, so as to form a gas chamber together with the inner wall of the sidewall and the inner wall of the tread which are arranged along the axial direction at intervals, and when the gas pipe is connected with the gas hole and gas is injected into the gas chamber, the protection of the sidewall can be increased, the stability of the tire pressure can be maintained, the probability of tire burst can be reduced, the safety factor of driving can be improved, the noise of the tire during driving can be effectively reduced, and the quietness of driving can be improved.

[0011] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, along the axial direction, a limiting block is arranged on the side of the first connecting section away from the gas chamber, the limiting block extends along the circumferential direction, along the radial direction, the limiting block is arranged at intervals with the first part to form a placing space, and an inner tube is arranged in the placing space.

[0012] By adopting the above technical scheme, the limiting block is arranged at intervals with the first part along the radial direction to form a placing space, and the inner tube is arranged in the placing space to limit the inner tube.

[0013] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, along the axial direction, a plurality of reinforcing ribs are arranged on the side of the first connecting section away from the sidewall, the plurality of reinforcing ribs are arranged at intervals along the circumferential direction and abut against the inner tube, and the inner tube is used to slide relative to the plurality of reinforcing ribs.

[0014] By adopting the above technical scheme, the reinforcing ribs are arranged on the side of the first connecting section away from the sidewall, so that stronger lateral support is provided for the tire, the tire has better controllability and stability when braking and turning, and in particular, the advantage is more obvious when driving at high speed, and the reinforcing ribs can play a certain protection role and reduce the damage of the sidewall of the tire.

[0015] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, the tread is provided with a plurality of tread patterns, the plurality of tread patterns are arranged at intervals along the circumferential direction, each tread pattern extends along the first direction, the sidewall is provided with a plurality of heat dissipation grooves, the plurality of heat dissipation grooves are arranged at intervals along the circumferential direction, and each heat dissipation groove extends along the radial direction.

[0016] The above technical scheme can help the tire to drain water on rainy days or wet roads, improve the grip, reduce water splashing, prevent skidding, and increase the friction between the tire and the road to provide better traction, making the vehicle easier to accelerate, brake, and turn.

[0017] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, which further comprises a plurality of connecting strips, the plurality of connecting strips are arranged at intervals along the circumferential direction, each of the connecting strips extends along the radial direction, and along the radial direction, two ends of each of the connecting strips are connected to the tread and the first part, respectively.

[0018] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, which further comprises a plurality of connecting strips, the plurality of connecting strips are arranged at intervals along the circumferential direction, each of the connecting strips extends along the radial direction, and along the radial direction, two ends of each of the connecting strips are connected to the tread and the first part, respectively.

[0019] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, which further comprises a plurality of connecting strips, the plurality of connecting strips are arranged at intervals along the circumferential direction, each of the connecting strips extends along the radial direction, and along the radial direction, two ends of each of the connecting strips are connected to the tread and the first part, respectively.

[0020] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, which further comprises a plurality of connecting strips, the plurality of connecting strips are arranged at intervals along the circumferential direction, each of the connecting strips extends along the radial direction, and along the radial direction, two ends of each of the connecting strips are connected to the tread and the first part, respectively.

[0021] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, which further comprises a plurality of connecting strips, the plurality of connecting strips are arranged at intervals along the circumferential direction, each of the connecting strips extends along the radial direction, and along the radial direction, two ends of each of the connecting strips are connected to the tread and the first part, respectively.

[0022] According to another specific embodiment of the present application, the embodiment of the present application discloses a high-temperature-resistant radial tire, which further comprises a plurality of connecting strips, the plurality of connecting strips are arranged at intervals along the circumferential direction, each of the connecting strips extends along the radial direction, and along the radial direction, two ends of each of the connecting strips are connected to the tread and the first part, respectively. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A perspective view of half of the high-temperature-resistant radial tire according to an embodiment of the present application is shown;

[0024] Figure 1A An enlarged view of the middle B area is shown; Figure 1

[0025] Figure 2 A complete perspective view of the high-temperature-resistant radial tire according to an embodiment of the present application is shown;

[0026] Figure 3 ​The position relation schematic view of the reinforcing rib, the connecting strip and the elastic sheet is shown.

[0027] Wherein, the signs: 100, tire body; 101, tread; 102, tire side; 200, thickened inner layer; 201, first part; 202, second part; 203, first connecting section; 300, inflation cavity; 301, nitrogen cavity; 400, inflation hole; 500, tread; 600, heat dissipation groove; 700, limiting block; 701, placing space; 800, inner tube; 900, reinforcing rib; 901, connecting strip; 902, elastic sheet. DETAILED DESCRIPTION

[0028] The other advantages and effects of the present application can be easily understood by the person skilled in the art from the content disclosed in the present specification. Although the present application will be described in combination with the preferred embodiments, this does not mean that the features of the present application are limited to the embodiments. On the contrary, the purpose of describing the present application in combination with the embodiments is to cover other options or modifications that can be extended based on the claims of the present application. In order to provide a deep understanding of the present application, many specific details will be included in the following description. The present application can also be implemented without using these details. In addition, in order to avoid confusion or obscure the focus of the present application, some specific details will be omitted in the description. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0029] It should be noted that in the present specification, similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0030] In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0031] The terms "first", "second" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the embodiments, it should also be noted that unless specifically defined and limited, the terms "set", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments can be understood according to the specific circumstances.

[0033] In order to make the purpose, technical scheme and advantages of the utility model clearer, the embodiments of the utility model will be further described in detail below with reference to the drawings.

[0034] Reference Figure 1 And Figure 2 The application discloses a kind of high temperature resistant radial tire, comprising: carcass 100 and thickened inner layer 200, carcass 100 includes tread 101 and side 102, tread 101 extends along the circumferential direction (i.e. Figure 1 The A direction shown) is set in the two sides of tread 101, and extends along the radial direction (i.e. Figure 1 The X direction shown);Thickened inner layer 200 includes first portion 201 and second portion 202, first portion 201 extends along the circumferential direction (i.e. Figure 1 The A direction shown) is faced to the inner wall of tread 101, along the first direction (i.e. Figure 1 The C direction shown), second portion 202 is set in the two ends of first portion 201, and is spaced apart from the inner wall of side 102 along the axial direction (i.e. Figure 1 The Y direction shown) to form inflation cavity 300, side 102 is provided with inflation hole 400, inflation hole 400 is communicated with inflation cavity 300, and is used to inflate inflation cavity 300, the first direction (i.e. Figure 1 The C direction shown) intersects with the circumferential direction (i.e. Figure 1 The A direction shown)。

[0035] Exemplarily, the first portion 201 of thickened inner layer 200 is faced to the inner wall of tread 101, which can increase the thickness of tread 101, prolong the service life of tread 101, while the second portion 202 is spaced apart from the inner wall of side 102 along the axial direction (i.e. Figure 1 The Y direction shown) to form inflation cavity 300, and inflation hole 400 is communicated with inflation cavity 300, by connecting inflation hole 400 with inflation tube, injecting gas into inflation cavity 300, thereby increasing the protection of side 102, maintaining the stability of tire pressure, and reducing the probability of tire burst, improving the safety factor of driving, while effectively reducing the noise of tire during driving, improving the quietness of driving.

[0036] Exemplarily, referenceFigure 2 , along a first direction (i.e. Figure 2 , the C direction shown in FIG. 1C), the two sides (i.e. the shoulders) of the tread 101 are each provided with a plurality of sipes 500, the plurality of sipes 500 on the two sides are symmetrically arranged, and are each arranged along a circumferential direction (i.e. Figure 2 , the A direction shown in FIG. 1A), each sipe 500 extends along the first direction (i.e. Figure 2 , the C direction shown in FIG. 1C), the sidewall 102 is provided with a plurality of heat dissipation grooves 600, the plurality of heat dissipation grooves 600 are arranged along the circumferential direction (i.e. Figure 2 , the A direction shown in FIG. 1A), each heat dissipation groove 600 extends along a radial direction (i.e. Figure 2 , the X direction shown in FIG. 1X). The symmetrically designed sipes 500 can provide uniform grip and traction, making the vehicle more stable when driving straight, turning and braking, and the symmetric sipe 500 structure helps to evenly wear the tire, prolonging the service life of the tire.

[0037] It should be noted that the sipes 500 are engraved on the two sides of the tread 101, and the heat dissipation grooves 600 are hot-melted and opened on the sidewall 102 (i.e. the two sides of the tire body 100), but are not limited thereto. The sipes 500 can also be hot-melted and opened on the two sides of the tread 101, and the heat dissipation grooves 600 can also be engraved on the sidewall 102.

[0038] It should be noted that the number of sipes 500 and heat dissipation grooves 600 is not limited in the embodiments of the present application, and can be twenty, twenty-five, thirty, etc.

[0039] Illustratively, the sipes 500 can help the tire drain water in rainy or wet road conditions, improve grip, reduce water splashing, and prevent skidding. The design of the sipes 500 can increase the friction between the tire and the road, providing better traction, making it easier for the vehicle to accelerate, brake and turn.

[0040] Illustratively, continuing to refer to Figure 1 , the second part 202 includes two first connecting segments 203, the two first connecting segments 203 are arranged along an axial direction (i.e. Figure 1 , the Y direction shown in FIG. 2Y), and one end of each of the two first connecting segments 203 is connected to the first part 201 (i.e. along the first direction, the two first connecting segments 203 are connected to the two ends of the first part 201), and the other end of each of the two first connecting segments 203 is bent towards the inner wall of the sidewall 102 and connected thereto, to respectively form the nitrogen cavity 301 with the inner wall of the corresponding sidewall 102 and the inner wall of the tread 101.

[0041] Exemplarily, nitrogen can effectively reduce the speed of tire heat accumulation, when the inflation tube is connected to the inflation hole 400, nitrogen is injected into the nitrogen cavity 301, the protection of the tire side 102 can be increased, the stability of the tire pressure can be maintained, and the probability of tire burst can be reduced, the safety factor of driving can be improved, the noise of the tire during driving can be effectively reduced, and the quietness of driving can be improved.

[0042] Exemplarily, referring to Figure 1 and Figure 1A , the side of the two first connecting sections 203 away from the nitrogen cavity 301 is provided with a limiting block 700 along the axial direction (i.e. the Y direction shown in the figure), the two limiting blocks 700 are arranged at intervals along the axial direction (i.e. the Y direction shown in the figure), the two limiting blocks 700 extend along the circumferential direction (i.e. the A direction shown in the figure), and the two limiting blocks 700 are both heat fusion connected with the corresponding first connecting section 203. Figure 1 Figure 1A Figure 1 Figure 1A

[0043] Exemplarily, the inner tube 800 extends along the circumferential direction (i.e. the A direction shown in the figure), and is hollow inside, and along the radial direction, the two outer walls (i.e. the upper surface and the lower surface of the inner tube 800) of the inner tube 800 are respectively connected with the limiting block 700 and the first part 201 in a sliding manner. Figure 1

[0044] Exemplarily, referring to Figure 3 and combining Figure 1 , the side of the first connecting section 203 away from the tire side 102 (i.e. the side facing the inner tube 800) is provided with a plurality of reinforcing ribs 900 along the axial direction, the plurality of reinforcing ribs 900 are arranged at intervals along the circumferential direction (i.e. the A direction shown in the figure), and each reinforcing rib 900 extends along the radial direction to contact the inner tube 800 and the inner tube 800 can slide relative to the plurality of reinforcing ribs 900. Each reinforcing rib 900 is heat fusion connected with the first connecting section 203. Figure 3

[0045] The arrangement of the reinforcing rib 900 can provide stronger lateral support for the tire, so that the tire has better maneuverability and stability when braking and turning, especially when driving at high speed, and the advantage is more obvious, and the reinforcing rib 900 can play a certain protection role to reduce the damage of the tire side 102.

[0046] It should be noted that the number and shape of the reinforcing rib 900 are not limited in the embodiments of the present application, which can be triangular, trapezoidal or other irregular shapes, and the number can be fifteen, twenty, twenty-five, thirty, etc. ​​​​​​

[0047] For example, refer to Figures 1 to 3 A plurality of connecting strips 901 are fixedly connected between the tread 101 and the first portion 201. The plurality of connecting strips 901 are arranged along the circumferential direction (ie Figure 3 A direction shown in FIG), each connecting strip 901 is arranged at intervals along the radial direction and the first direction (ie Figure 2 The connecting strips 901 extend in the C direction (i.e., the width direction of the tire) in the radial direction, and the two ends of each connecting strip 901 are respectively heat-melted and connected between the tread 101 and the first portion 201. This can increase the thickness of the tread 101 and extend the service life of the tread 101.

[0048] Along the circumferential direction, a spring piece 902 is provided between two adjacent connecting strips 901, and the spring piece 902 is fixed between the two connecting strips 901 by heat melting. In one embodiment, the spring piece 902 is substantially as follows Figure 3 The X-shape shown in FIG has two extensions at each end, and the two extensions are connected to the corresponding connecting bars 901. However, the shape is not limited thereto and may be other shapes, such as a quadrilateral, a pentagon or other irregular shapes.

[0049] The connecting strip 901 is connected between the tread 101 and the first portion 201 to serve as a limiter to prevent the tread 101 of the tire body 100 from expanding and bulging when nitrogen is injected into the nitrogen chamber 301 in the tire body 100. The spring piece 902 is provided between the two connecting strips 901 to absorb vibration and impact generated by the tire during driving, reduce direct impact between the tire and the ground, and thus serve as a shock absorber.

[0050] It should be noted that the embodiment of the present application does not limit the number of connecting bars 901, which can be fifteen, twenty, twenty-five, thirty, etc.

[0051] In summary, the above design helps to protect the tire and other components of the vehicle, reduce wear and damage, and the spring piece 902 can enhance the lateral support force of the tire and improve the handling performance of the tire.

[0052] Although the present invention has been illustrated and described with reference to certain preferred embodiments of the present invention, it should be understood by those skilled in the art that the above description is provided to further illustrate the present invention in conjunction with specific embodiments, and that the present invention should not be construed as being limited to these descriptions. Those skilled in the art may make various changes in form and detail, including simple deductions or substitutions, without departing from the spirit and scope of the present invention.

Claims

1. A high temperature resistant radial tire characterized in that, The application relates to a high-temperature-resistant radial tire. The tire body comprises a tread and a tire side; The thickened inner layer comprises a first part and a second part, the first part extends in a circumferential direction and faces an inner wall of the tread, the second part is arranged at two ends of the first part and is axially spaced from an inner wall of the tire side to form an inflation cavity, the tire side is provided with an inflation hole which is connected with the inflation cavity and is used for inflating the inflation cavity, and the first direction intersects the circumferential direction.

2. The high temperature resistant radial tire of claim 1, wherein, The second part comprises a first connecting section, one end of the first connecting section is connected with the first part, and the other end is bent towards the inner wall of the tire side and is connected with the inner wall.

3. The high temperature resistant radial tire of claim 2, wherein, In the axial direction, one side of the first connecting section away from the inflation cavity is provided with a limiting block which extends in the circumferential direction and is radially spaced from the first part to form a placing space in which an inner tube is arranged.

4. The high temperature resistant radial tire of claim 3, wherein, In the axial direction, one side of the first connecting section away from the tire side is provided with a plurality of reinforcing ribs which are spaced in the circumferential direction and abut against the inner tube, and the inner tube is used for sliding relative to the plurality of reinforcing ribs.

5. The high temperature resistant radial tire of claim 1, wherein, The tread is provided with a plurality of grooves which are spaced in the circumferential direction, each groove extends in the first direction, the tire side is provided with a plurality of heat dissipation grooves which are spaced in the circumferential direction, and each heat dissipation groove extends in the radial direction.

6. The high temperature resistant radial tire of claim 5, wherein, The high-temperature-resistant radial tire further comprises a plurality of connecting strips which are spaced in the circumferential direction, each connecting strip extends in the radial direction, and in the radial direction, two ends of each connecting strip are connected with the tread and the first part respectively.

7. The high temperature resistant radial tire of claim 6, wherein, In the circumferential direction, a spring sheet is arranged between two adjacent connecting strips and is fixed between the two connecting strips.

8. The high temperature resistant radial tire of claim 6, wherein, In the radial direction, each connecting strip is hot-melted between the tread and the first part.

9. The high temperature resistant radial tire of claim 1, wherein, The inflation cavity is a nitrogen cavity.

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