Semi-steel tread pattern noise reduction tire

Abstract

The utility model discloses a semi-steel tread pattern noise reduction tire, which relates to the technical field of tire design and comprises a tread, pattern longitudinal grooves and pattern transverse grooves, the pattern longitudinal grooves are arranged on the surface of the tread, the pattern transverse grooves are arranged on two sides of the surface of the tread, resonant cavity bodies are arranged at the end parts of the pattern transverse grooves, and the resonant cavity bodies are arranged in the tread. A neck part is mounted on one side of the resonant cavity body, and a capillary tube is arranged at the bottom of the neck part. According to the utility model, the problem that the neck part is deep and easy to close in the use process of the tire is solved by embedding the polyurethane capillary tube into the neck part so as to achieve a normalized communication effect, and meanwhile, the neck part formed by the capillary tube is communicated with the end part of the pattern transverse groove, and a complete resonant cavity is formed in the ground plane, so that the noise reduction effect is achieved; and the rigidity of the pattern blocks can be improved while noise is reduced, and the deformation of the pattern transverse grooves is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of tire design, in particular to a semi-steel tire with pattern noise reduction. Background Art

[0002] With the advancement of automotive technology, particularly the widespread adoption of electric vehicles, engine noise, which once dominated the noise profile of fuel vehicles, has become less prevalent. Airborne tread noise has become increasingly prominent, a pressing issue affecting ride comfort and in need of resolution. Current approaches to reducing tread noise include modifying tread groove geometry, changing rubber compound parameters, and modifying tread stiffness. Furthermore, numerous patents indicate that adding a Helmholtz resonator (hereinafter referred to as a resonator) to the tread pattern is also an effective method for reducing tread noise.

[0003] The neck of the existing resonance cavity is located deep within the tread rubber and is relatively small. During tire use, the tread rubber deforms under load, causing the deep and narrow neck of the resonance cavity to deform and easily close. This closed neck loses its connection to the outside air, thereby losing its noise reduction capability. Utility Model Content

[0004] The purpose of the utility model is to provide a semi-steel tire with a tread pattern and noise reduction function, so as to solve the problems in the background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] Semi-steel tire pattern noise reduction tire, including:

[0007] tread;

[0008] longitudinal grooves of the pattern, the longitudinal grooves of the pattern being provided on the surface of the tread;

[0009] The tread further comprises transverse grooves, which are arranged on both sides of the tread surface.

[0010] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0011] In an optional solution: a resonant cavity is provided at the end of the transverse groove of the pattern, a neck is installed on one side of the resonant cavity, and a capillary is provided at the bottom of the neck.

[0012] In an optional solution: one end of the capillary is connected to the resonant cavity body, and the other end of the capillary is connected to the longitudinal groove of the pattern.

[0013] In an optional solution, the resonant cavity is not connected to the pattern transverse groove.

[0014] In an optional solution, the depth of the resonance cavity does not exceed the thickness of the tread rubber, and the shape of the resonance cavity can be set to be cylindrical, rectangular or conical.

[0015] In an optional solution, the resonant cavity is designed according to the pattern pitch, and a resonant cavity can be designed at each pitch, or it can be designed at intervals.

[0016] In an optional solution, one end of the neck is not connected to the pattern transverse groove.

[0017] In an optional solution: the capillary is made of polyurethane.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] The utility model solves the problem that the neck of the tire is deep and easy to close during use by embedding a polyurethane capillary in the neck to achieve normalized connectivity. At the same time, the neck is connected with the end of the pattern transverse groove through the capillary, and a complete resonance cavity is formed in the ground contact surface, thereby achieving the effect of noise reduction. It can also help to improve the rigidity of the pattern block and reduce the deformation of the pattern transverse groove while reducing noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural diagram of the present utility model.

[0021] Figure 2 This is a schematic diagram of the partially enlarged structure of the resonant cavity of the utility model.

[0022] Figure 3 It is a schematic diagram of the partially enlarged structure of the capillary in the present utility model.

[0023] Among them: 100, tread; 200, pattern longitudinal groove; 300, pattern transverse groove; 400, resonant cavity; 500, neck; 600, capillary. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0025] In one embodiment, Figure 1-Figure 3 As shown, the semi-steel tire pattern noise reduction tire includes: a tread 100, a pattern longitudinal groove 200 and a pattern transverse groove 300. The pattern longitudinal groove 200 is arranged on the surface of the tread 100, and the pattern transverse groove 300 is arranged on both sides of the surface of the tread 100; through the mutual cooperation between the pattern longitudinal groove 200 and the pattern transverse groove 300, it is beneficial to disperse the frequency of contact noise, reduce the resonance effect, and reduce driving noise.

[0026] In one embodiment, Figure 2 As shown, a resonance cavity 400 is provided at the end of the pattern transverse groove 300, a neck 500 is installed on one side of the resonance cavity 400, and a capillary 600 is provided at the bottom of the neck 500; by burying the capillary 600 with a designed size in the neck 500, the problem of the neck being compressed, deformed and closed when bearing load is avoided.

[0027] In one embodiment, Figure 1 and Figure 3 As shown, one end of the capillary 600 is connected to the resonant cavity body 400, and the other end of the capillary 600 is connected to the pattern longitudinal groove 200; by being connected to the resonant cavity body 400 through the capillary 600, it can effectively avoid the problem that the neck 500 and the resonant cavity body 400 lose connectivity with the external air after closing, and thus lose the noise reduction ability, which is beneficial to noise reduction.

[0028] In one embodiment, Figure 1 As shown, the resonant cavity 400 is not connected to the tread transverse groove 300; while reducing noise, it is beneficial to improve the rigidity of the tread block and reduce the deformation of the tread transverse groove.

[0029] In one embodiment, Figure 1 As shown, the depth of the resonant cavity 400 does not exceed the thickness of the tread rubber, and the shape of the resonant cavity 400 can be set to cylindrical, rectangular or conical, etc.; it can be designed according to actual usage requirements.

[0030] In one embodiment, Figure 3 As shown, the resonant cavity body 400 is designed according to the pattern pitch. A resonant cavity body 400 can be designed at each pitch, or it can be designed at intervals. By designing the resonant cavity body 400 according to the pattern pitch, the closed end of the originally designed pattern transverse groove can be effectively modified, and reinforcement can be added in the pattern transverse groove to form the cavity shape of the present proposal at its end.

[0031] In one embodiment, Figure 1 As shown, one end of the neck 500 is not connected to the tread transverse groove 300; a complete resonance cavity is formed in the ground contact surface to achieve a noise reduction effect.

[0032] In one embodiment, Figure 1 and Figure 3 As shown, the capillary 600 is made of polyurethane material; polyurethane material has good wear resistance and can effectively improve the noise reduction effect of the tire.

[0033] The above embodiment discloses a semi-steel tire pattern noise reduction tire, wherein the mutual cooperation between the pattern longitudinal grooves 200 and the pattern transverse grooves 300 is conducive to dispersing the frequency of contact noise, reducing the resonance effect, and reducing driving noise. By burying a capillary 600 with a designed size in the neck 500, the problem of the neck being compressed, deformed and closed when bearing load is avoided, and the capillary 600 is connected to the resonance cavity 400, which can effectively avoid the neck 500 and the resonance cavity 400 losing connectivity with the external air after closing, and thus losing the noise reduction ability. It can effectively achieve noise reduction, and while reducing noise, it is beneficial to improve the rigidity of the pattern block and reduce the deformation of the pattern transverse grooves.

[0034] The above description is merely a specific embodiment of the present application, but the scope of protection of the present application is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this application should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application should be based on the scope of protection of the claims.

Claims

1. Semi-steel tire pattern noise reduction tire, including: Tread (100); Pattern longitudinal grooves (200), the pattern longitudinal grooves (200) being provided on the surface of the tread (100); The tread is characterized in that it further comprises pattern transverse grooves (300), wherein the pattern transverse grooves (300) are arranged on both sides of the tread (100) surface.

2. The semi-steel tire pattern noise reduction tire according to claim 1, characterized in that: A resonant cavity body (400) is provided at the end of the pattern transverse groove (300), a neck (500) is installed on one side of the resonant cavity body (400), and a capillary (600) is provided at the bottom of the neck (500).

3. The semi-steel tire pattern noise reduction tire according to claim 2, characterized in that: One end of the capillary tube (600) is connected to the resonant cavity body (400), and the other end of the capillary tube (600) is connected to the longitudinal groove (200).

4. The semi-steel tire pattern noise reduction tire according to claim 2, characterized in that: The resonant cavity (400) is not in communication with the pattern transverse groove (300).

5. The semi-steel tire pattern noise reduction tire according to claim 2, characterized in that: The depth of the resonant cavity (400) does not exceed the thickness of the tread rubber, and the shape of the resonant cavity (400) can be set to be cylindrical, rectangular or conical.

6. The semi-steel tire with tread pattern noise reduction according to claim 2, characterized in that: The resonant cavity (400) is designed according to the pattern pitch, and one resonant cavity (400) can be designed at each pitch, or can be designed at intervals.

7. The semi-steel tire with tread pattern noise reduction according to claim 2, characterized in that: One end of the neck (500) is not connected to the tread transverse groove (300).

8. The semi-steel tire pattern noise reduction tire according to claim 2, characterized in that: The capillary tube (600) is made of polyurethane.

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