CN212446987U

CN212446987U - Tire with low tire noise

Info

Publication number: CN212446987U
Application number: CN202020679001.4U
Authority: CN
Inventors: 乔鑫盼
Original assignee: Qingdao Hongbin Industrial Products Co ltd
Current assignee: Qingdao Hongbin Industrial Products Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-02-02
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a tire that child noise is low, including tire body and wheel hub, the tire body includes tire tread, tread primer, child hat protective layer and matrix noise reduction layer, tire tread inner wall bottom is located to the tread primer, child hat protective layer locates tread primer inner wall bottom, child hat protective layer locates child hat protective layer inner wall bottom, child hat protective layer inner wall bottom is located to the matrix noise reduction layer, the tread slot has been seted up at tire tread outer wall center, two tread slot has all been seted up in the tread slot outside, tire tread bottom inner wall fixedly connected with tire bead steel wire, the cotton is inhaled to wheel hub center outer wall fixedly connected with, the tire body passes through tire bead steel wire and wheel hub fixed connection. The utility model discloses in, inhale the sound cotton through at wheel hub center outer wall fixed connection, absorb the noise that the tire produced to reach the effect of making an uproar.

Description

Tire with low tire noise

Technical Field

The utility model belongs to the technical field of the tire, specifically be a tire that child is made an uproar low.

Background

A tire is a ground-rolling circular ring-shaped elastic rubber article mounted on various vehicles or machines. Generally mounted on a metal rim, and is capable of supporting a vehicle body, buffering external impact, achieving contact with a road surface and ensuring the driving performance of a vehicle. Tires are often used under complex and severe conditions, which are subjected to various deformations, loads, forces and high and low temperature effects during running, and therefore must have high load-bearing, traction and cushioning properties. At the same time, high abrasion resistance and flexibility resistance, and low rolling resistance and heat build-up are also required. Half of the world's rubber usage for tire production, the ability of tires to consume rubber is seen;

the tire in the prior art can generate noise in the using process, the noise is generated by mutual contact and friction between the tread and the road surface, and even if the road surface is very flat, the noise cannot be avoided; in addition, the noise generated by the vibration and deformation of the tire during the driving on the road surface is reflected to the driving feeling, that is, the noise level on different road surfaces is different, so that a tire with low tire noise is required to improve the driving experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems, a tire having a low tire noise is provided.

The utility model adopts the technical scheme as follows: the tire with low tire noise comprises a tire body and a wheel hub, wherein the tire body comprises a tire tread, a tread primer, a tire crown protective layer and a tire body noise reduction layer, the tread primer is arranged at the bottom of the inner wall of the tire tread, the tire crown protective layer is arranged at the bottom of the inner wall of the tread primer, the tire body noise reduction layer is arranged at the bottom of the inner wall of the tire crown protective layer, a tread groove is formed in the center of the outer wall of the tire tread, two tread sipes are formed in the outer side of the tread groove, a tire bead steel wire is fixedly connected to the inner wall of the bottom of the tire tread, sound absorption cotton is fixedly connected to the outer wall of the center of.

In a preferred embodiment, the surface density of the sound-absorbing cotton body is 100g/m²-1000g/m²The thickness is 3mm-30 mm.

In a preferred embodiment, the tread sipes and the tread grooves are connected at an angle of 90 °, two rows of the tread sipes are distributed on two sides of the tire tread in a staggered manner, and the tread and the flower blocks with unequal intervals are adopted, so that the vibration frequencies are staggered, the resonance amplitude is reduced, and the noise is reduced.

In a preferred embodiment, the carcass noise reduction layer is formed from a hydrophobic polyurethane sponge which is foamed to cure a mixture comprising a polyisocyanate, a polyol comprising 3 to 60 weight percent of a polyester polyol and 97 to 40 weight percent of a polyester polyether copolymer polyol, a water repellent and a blowing agent.

In a preferred embodiment, the crown protection layer consists of 2 fiber cord plies, 2 steel wire cord plies and 1 nylon cord ply, wherein the fiber cord plies adopt 2 high-strength fiber cord plies with 1500D, and good dimensional stability and impact resistance of the tire are ensured.

In a preferred embodiment, the outer wall of the tread base rubber is uniformly coated with shock-absorbing rubber to absorb the shock of the tire and improve the noise reduction effect.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, be 90 with the tread slot through tread sipe and be connected, two rows of tread sipes staggered distribution in tire tread both sides adopt the child line and the flower block of unequal interval, produce the frequency of vibrations and stagger each other, and resonant amplitude reduces the noise reduction.

2. The utility model discloses in, through have evenly scribbled at tread primer outer wall and inhale shake glue, absorb the vibrations of tire, improve the noise reduction effect.

3. The utility model discloses in, inhale the sound cotton through at wheel hub center outer wall fixed connection, absorb the noise that the tire produced to reach the effect of making an uproar.

Drawings

FIG. 1 is a schematic view of a tire with low tire noise according to the present invention;

FIG. 2 is a cross-sectional view of a tire body of a tire with low tire noise according to the present invention;

fig. 3 is the utility model discloses a wheel hub's in tire that tire noise is low structural schematic.

The labels in the figure are: 1-tire body, 2-wheel hub, 3-tire tread, 4-tire tread groove, 5-tire tread sipe, 6-tire tread base rubber, 7-tire crown protective layer, 8-tire body noise reduction layer, 9-tire bead steel wire and 10-sound absorption cotton.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a tire with low tire noise, comprising a tire body 1 and a hub 2, wherein the tire body 1 comprises a tire tread 3, a tread primer 6, a crown protective layer 7 and a tire body noise reduction layer 8, the tread primer 6 is arranged at the bottom of the inner wall of the tire tread 3, the outer wall of the tread primer 6 is uniformly coated with shock absorption rubber to absorb the vibration of the tire and improve the noise reduction effect, the crown protective layer 7 is arranged at the bottom of the inner wall of the tread primer 6, the tire body noise reduction layer 8 is arranged at the bottom of the inner wall of the crown protective layer 7, the crown protective layer 7 comprises 2 fiber cord plies, 2 cord ply steel wires and 1 nylon cord ply, wherein the fiber cord plies adopt 2 layers 1500D of high-strength fiber cord fabrics to ensure the good dimensional stability and impact resistance of the tire, the carcass noise reduction layer 8 comprises hydrophobic polyurethane sponge bodies, and the hydrophobic polyurethane sponge bodies comprise polyisocyanate sponge bodies through foaming and curing, A mixture of polyol, water repellent and foaming agent, wherein the polyol comprises 3 to 60 weight percent of polyester polyol and 97 to 40 weight percent of polyester polyether copolymer polyol, and the center of the outer wall of the tire tread 3 is provided with a tread groove4, tread sipe 5 has all been seted up in two 4 outsides of tread slot, tread sipe 5 is 90 with tread slot 4 and is connected, two rows of tread sipes 5 staggered distribution are in 3 both sides of tire tread, adopt the tread and the flower block of unequal interval, the frequency that produces vibrations staggers each other, resonant amplitude is cut down, the noise reduction, 3 bottom inner wall fixedly connected with bead wire 9 of tire tread, 2 central outer wall fixedly connected with of wheel hub inhale sound cotton 10, the surface density who inhales cotton 10 main parts of sound is 100g/m²-1000g/m²The thickness of the tyre is 3mm-30mm, and the tyre body 1 is fixedly connected with the hub 2 through a tyre bead steel wire 9.

The working principle is as follows: lay tread primer 6 in 3 bottoms of tire tread, it inhales the shake glue to evenly scribble at 6 outer walls of tread primer, absorb the vibrations of tire, improve the noise reduction effect, lay child hat protective layer 7 in 6 bottoms of tread primer, good dimensional stability and shock resistance of tire have been guaranteed, lay matrix noise reduction layer 8 in child hat protective layer 7 bottom, reduce the noise that the tire produced, inhale sound cotton 10 at 2 outer wall fixed connection of wheel hub, absorb the noise that the tire produced, thereby reach the effect of making an uproar.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A tire with low tire noise comprises a tire body (1) and a hub (2), and is characterized in that: tire body (1) includes tire tread (3), tread base rubber (6), child hat protective layer (7) and matrix noise reduction layer (8), tire tread (3) inner wall bottom is located in tread base rubber (6), child hat protective layer (7) are located tread base rubber (6) inner wall bottom, child hat protective layer (7) inner wall bottom is located in matrix noise reduction layer (8), tread slot (4) have been seted up at tire tread (3) outer wall center, two tread slot (4) outside has all been seted up tread sipe (5), tire tread (3) bottom inner wall fixedly connected with tire bead steel wire (9), wheel hub (2) center outer wall fixedly connected with inhales sound cotton (10), tire body (1) is through steel wire tire bead (9) and wheel hub (2) fixed connection.

2. A low tire noise tire as in claim 1, wherein: the surface density of the sound-absorbing cotton (10) main body being 100 g/m-1000 g/m, the thickness being 3mm-30 mm.

3. A low tire noise tire as in claim 1, wherein: the tire tread sipes (5) are connected with the tire tread grooves (4) at an angle of 90 degrees, and the two rows of the tire tread sipes (5) are distributed on two sides of the tire tread (3) in a staggered mode.

4. A low tire noise tire as in claim 1, wherein: the crown protection layer (7) consists of 2 fiber cord plies, 2 steel wire cord plies and 1 nylon cord ply, wherein the fiber cord plies adopt 2 high-strength fiber cord fabrics of 1500D.

5. A low tire noise tire as in claim 1, wherein: and shock absorption glue is uniformly coated on the outer wall of the tread base glue (6).