CN217455544U

CN217455544U - Noise reduction tire

Info

Publication number: CN217455544U
Application number: CN202220787684.4U
Authority: CN
Inventors: 孙志洪
Original assignee: Jiangsu Honghai Tire Technology Co ltd
Current assignee: Jiangsu Honghai Tire Technology Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-09-20
Anticipated expiration: 2032-04-07

Abstract

The utility model belongs to the technical field of tire manufacturing, in particular to a noise reduction tire, which comprises a tire body, a sealing adhesive layer and a sound absorption material; the sealing adhesive layer comprises a first connecting part and a plurality of second connecting parts; the sealing rubber layer is connected with the inner lining layer of the tire body through the first connecting part; the sealing adhesive layer is connected with the sound-absorbing material through a second connecting part; the outer end face of the first connecting part is a plane; the first connecting part, the second connecting part and the sound-absorbing material form a plurality of heat dissipation channels; the heat dissipation channel is communicated with the interior of the tire body. The utility model discloses a setting up of heat dissipation channel has strengthened the radiating effect, has alleviateed sealed weight of gluing, has improved the noise reduction effect.

Description

Noise reduction tire

Technical Field

The utility model belongs to the technical field of the tire is made, concretely relates to tire of making an uproar falls.

Background

In recent years, with the continuous progress of engine technology, the noise caused by the engine of the automobile is continuously reduced, but the noise of the tire is more and more concerned, and with the rapid development of new energy automobiles, the low-noise motor gradually replaces the engine, and the noise of the tire gradually becomes the main source of the noise of the automobile.

In the existing noise-reducing tire, a layer of double-sided adhesive tape or sealant is adhered to the inner tire tread area of the tire, and then a layer of sound-absorbing sponge is adhered to the adhesive to reduce the noise of the tire. The whole plate that is of current rubberizing mode, glue, upper and lower both ends face respectively with the inlayer of tire, inhale the sound sponge and contact completely, this kind of rubberizing mode has two shortcomings: firstly, the weight of the tire is increased by 8-12% compared with that of a base tire, and the increase of the weight of the tire can cause the increase of the rolling resistance of the tire, so that more oil consumption or power consumption is caused when an automobile runs, and the cost of an automobile owner is increased; secondly, because the upper and lower both ends face of glue respectively with the inlayer of tire, inhale sound sponge complete contact and glue thickness thick, cause the heat that the car produced when high-speed driving to easily dispel, influence tire performance and life, accelerated tire degradation.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art, the utility model provides a tire of making an uproar falls has alleviateed the weight of sealed glue, has still improved the radiating effect simultaneously and has fallen the noise reduction effect.

For solving the not enough of prior art, the utility model provides a technical scheme does:

a noise reduction tire comprises a tire body, a sealant layer and a sound absorption material;

the sealing adhesive layer comprises a first connecting part and a plurality of second connecting parts; the sealing adhesive layer is connected with the inner lining layer of the tire body through the first connecting part; the sealing adhesive layer is connected with the sound-absorbing material through the second connecting part;

the outer end face of the first connecting part is a plane;

the first connecting part, the second connecting part and the sound-absorbing material form a plurality of heat dissipation channels;

the heat dissipation channel is communicated with the interior of the tire body.

Preferably, the two connecting parts have the same size and are uniformly distributed.

Preferably, the second connecting part is annular or strip-shaped, the cross section of the second connecting part is square, trapezoid, triangle or wave, and the contact end of the second connecting part and the first connecting part is a plane.

Preferably, the second connecting part is cuboid, truncated cone, cone or truncated pyramid; the contact end of the second connecting part and the first connecting part is a plane.

Preferably, the thickness of the first connecting part is not more than 0-0.5 mm; the thickness of the second connecting part is 0.5-2.5 mm.

Preferably, the distance between the second connecting parts is 2-5 mm.

Preferably, the heat dissipation channel extends in a circumferential direction of the tire body.

Preferably, the sound-absorbing material is provided with at least one heat dissipation notch, and the heat dissipation channel is communicated with the inside of the tire body through the heat dissipation notch.

Preferably, the heat dissipation channel is perpendicular to the circumferential direction of the tire body.

Preferably, the volume ratio of the heat dissipation channel to the sealant layer is (1:1) - (1: 1.2).

The utility model has the advantages that:

the utility model discloses set up heat dissipation channel at sealing glue layer, had following three advantage: 1) the heat dissipation area is increased, the heat dissipation effect of the tire body is improved, and the service life of the tire is prolonged; 2) the weight of the sealant is reduced, the tire resistance is reduced, and the energy consumption is reduced; 3) the noise reduction effect is improved.

Drawings

Fig. 1 is a schematic structural diagram of a noise reduction tire provided by the present invention;

fig. 2 is a schematic view of the sealant layer provided by the present invention, which has a wavy cross-section and the heat dissipation channels are circumferentially distributed;

fig. 3 is a schematic view of the sealant layer provided by the present invention, which has a trapezoidal cross-sectional shape and the heat dissipation channels are circumferentially distributed;

fig. 4 is a schematic view of the sealant layer provided by the present invention, which has a triangular cross-sectional shape and the heat dissipation channels are circumferentially distributed;

fig. 5 is a schematic view of the sealant layer provided by the present invention, which has a square cross-sectional shape and the heat dissipation channels are distributed along the circumferential direction;

fig. 6 is a schematic view of the sealant layer provided by the present invention, wherein the cross-sectional shape of the sealant layer is square, and the heat dissipation channel is perpendicular to the circumferential direction;

fig. 7 is a schematic view of the sealant layer provided by the present invention, which has a triangular cross section and a heat dissipation channel perpendicular to the circumferential direction;

fig. 8 is a schematic view of the sealant layer provided by the present invention, wherein the cross-sectional shape of the sealant layer is trapezoidal, and the heat dissipation channel is perpendicular to the circumferential direction;

fig. 9 is a schematic view of the sealant layer provided by the present invention, which has a wavy cross section and a heat dissipation channel perpendicular to the circumferential direction;

the tire comprises a tire body 1, a sealant layer 2, a first connecting part 3, a second connecting part 4, a heat dissipation channel 5 and a sound absorption material 6.

Detailed Description

The present invention will be further described with reference to the following embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, and the protection scope of the present invention is not limited thereby.

The embodiment of the utility model provides a noise reduction tire, see fig. 1, including tire body 1, sealant layer 2 and sound absorbing material 6; the sealant layer 2 comprises a first connecting part 3 and a plurality of second connecting parts 4 which are integrally formed; the sealing adhesive layer 2 is connected with the inner lining layer of the tire body 1 through a first connecting part 3; the sealing adhesive layer 2 is connected with the sound-absorbing material 6 through a second connecting part 4; the outer end face of the first connecting part 3 is a plane, namely the connecting end of the first connecting part 3 and the tire body 1 is a plane; the first connecting part 3, the second connecting part 4 and the sound-absorbing material 6 form a plurality of heat dissipation channels 5; the heat dissipation channel 5 communicates with the inside of the tire body 1.

The sound absorbing material is fixed on the tire body through the sealing adhesive layer, the sealing adhesive layer is fixedly connected with the tire body through the first connecting portion, the sound absorbing material is fixedly connected with the sealing adhesive layer through the second connecting portion, and the first connecting portion and the second connecting portion are integrally formed. The utility model discloses on the basis of guaranteeing the stability that sound absorbing material and tire body combine, through heat dissipation channel's setting increased heat radiating area, alleviateed sealed weight, improved noise reduction effect.

When the tire is pasted, the sealing glue layer surrounds a circle along the circumferential direction of the tire body. The area of the sealant layer accounts for 40-80% of the area of the tread area of the inner liner layer of the tire body. The sealant layer is prepared by a spraying method, the thickness of different parts of the sealant layer can be changed by controlling the rotating speed of the tire body and the moving speed of the nozzle, and the thickness of different parts of the sealant layer can also be changed by controlling the glue coating amount.

The sound-absorbing material is used for reducing noise generated by resonance of a tire cavity, is prepared from porous sound-absorbing polyurethane sponge, is in a flat plate shape, has the thickness of 20-30mm, the width of 5-20mm narrower than that of a sealing adhesive layer, and has the density of 25-31kg/m ³ The elongation at break is more than or equal to 180 percent, the tensile strength is more than or equal to 100kpa, the breaking strength is more than or equal to 2.5N/cm, the indentation hardness (40 percent) is more than or equal to 90N, and the aperture is 30-40 ppi.

In the preferred embodiment of the present invention, the second connecting portions have the same size, uniform arrangement and regular shape. The first connecting part is in a flat plate shape.

The contact end of the second connecting part and the sound-absorbing material can be a continuous plane or a straight line. In an alternative embodiment of the present invention, referring to fig. 1 to 5, the heat dissipation channel 5 extends along the circumferential direction of the tire body 1. At this time, the second connecting part is annular. The cross-sectional shape of the second connecting part 4 can be square (figure 5), trapezoid (figure 3), triangle (figure 4) or wave (figures 1 and 2), and the contact end of the second connecting part 4 and the first connecting part 3 is a plane. When the heat dissipation channel extends along the circumferential direction of the tire body, the sealing glue layer is coated more easily. When the heat dissipation channel extends along the circumference of the tire body, the sound-absorbing material needs to be provided with at least one heat dissipation notch, and the heat dissipation channel is communicated with the inside of the tire body through the heat dissipation notch. The width of the heat dissipation notch is 5-50mm, preferably 10-30 mm. In other embodiments of the present invention, referring to fig. 6 to 9, the heat dissipation channel 5 is perpendicular to the circumferential direction of the tire body 1. At this time, the second connecting portion 4 is in a strip shape, the cross section of the second connecting portion 4 can be in a square shape (fig. 6), a trapezoid shape (fig. 8), a triangle shape (fig. 7) or a wave shape (fig. 9), and the contact end of the second connecting portion 4 and the first connecting portion 3 is a plane. The utility model discloses do not add the restriction to heat dissipation channel's direction, heat dissipation channel can also have certain contained angle with the axis of tire body, and connecting portion two this moment are the bar.

The contact end of the second connecting part and the sound-absorbing material can also be a discontinuous plane, a straight line or a point. The second connecting part can be cuboid, truncated cone, conical or truncated pyramid; the contact end of the second connecting part and the first connecting part is a plane.

In an optional embodiment of the present invention, the thickness of the first connecting portion is not more than 0-0.5 mm; the thickness of the second connecting part is 0.5-2.5 mm.

In an optional embodiment of the present invention, the distance between the second connecting portions is 2-5 mm.

In an optional embodiment of the present invention, a volume ratio of the heat dissipation channel to the sealant layer is (1:1) - (1: 1.2).

The utility model discloses can reduce 40% -50% with sealant layer's weight.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A noise reduction tire is characterized by comprising a tire body, a sealant layer and a sound absorption material;

the outer end face of the first connecting part is a plane;

2. A noise-reducing tire according to claim 1, wherein said connecting portions are of the same size and are arranged uniformly.

3. A noise-reducing tire according to claim 2, wherein said second connecting portion is annular or strip-shaped, and has a square, trapezoidal, triangular or wavy cross-section, and the contact end of the second connecting portion with said first connecting portion is a plane.

4. The noise reduction tire according to claim 2, wherein the second connecting portion is rectangular parallelepiped, truncated cone, conical or truncated pyramid; the contact end of the second connecting part and the first connecting part is a plane.

5. A noise reducing tire according to claim 1, wherein said first connecting portion has a thickness of not more than 0.5 mm; the thickness of the second connecting part is 0.5-2.5 mm.

6. A noise-reducing tyre according to claim 2, wherein the spacing between the two connecting portions is 2-5 mm.

7. A noise reducing tire according to claim 1, wherein said heat dissipating channel extends in a circumferential direction of said tire body.

8. A noise-reducing tire according to claim 7, wherein the sound-absorbing material is provided with at least one heat-dissipating cutout, and the heat-dissipating passage communicates with the inside of the tire body through the heat-dissipating cutout.

9. A noise reducing tire according to claim 1, wherein said heat dissipating channel is perpendicular to the circumferential direction of said tire body.

10. A noise-reducing tire according to claim 1, wherein the ratio of the volume of said heat dissipation channel to the volume of said sealant layer is (1:1) - (1: 1.2).