CN114506181A

CN114506181A - Improved wheel with sound absorption device

Info

Publication number: CN114506181A
Application number: CN202210129525.XA
Authority: CN
Inventors: 徐世文; 王永生; 陈铭博; 胡铁丰; 李健; 李希; 刘伟东; 冯树伟; 其他发明人请求不公开姓名
Original assignee: CITIC Dicastal Co Ltd
Current assignee: CITIC Dicastal Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-05-17

Abstract

The patent provides an improved wheel with a sound absorption device, which comprises a resonator, a binding band and a binding band groove, wherein the binding band groove is transversely and longitudinally arranged and crisscrossed, the sound absorption device is divided into four relatively independent chambers by the binding band groove, and a binding band positioning boss is arranged at the intersection of the transverse and longitudinal crisscrossed binding band grooves; the wheel spoke is provided with two parallel guide rails, the distance between the parallel guide rails is in interference fit with the width of the sound absorption device, the binding band is arranged in a longitudinal binding band groove of the sound absorption device, and the sound absorption device is fixedly connected with the wheel through a buckle on the binding band; a positioning groove of the sound absorption device is arranged on the parallel guide rail; the resonator sets up locating surface and location ear with the guide rail contact position, and the locating surface cooperates with location ear and guide rail constant head tank. This patent lets the bandage can the laminating of circular mode and wheel, has ensured that sound absorbing device's installation is fixed, and the cooperation of sound absorbing device and wheel is fastened more convenient.

Description

Improved wheel with sound absorption device

Technical Field

The invention relates to a wheel with a sound absorption device, in particular to an automobile wheel provided with a pneumatic tire.

Background

In the normal running process of the wheel, the excitation of the road surface to the wheel and the excitation of the wheel axle to the wheel caused by the rotation unbalance of the wheel can excite an air chamber in the wheel to generate acoustic resonance, and the resonance is transmitted to a vehicle body structure through the wheel axle and a suspension system and then radiates noise in the vehicle. The noise characteristic of the car is mainly low-frequency narrow band, the magnitude is high, noise interference is formed for the passenger environment in the car, and setting effect control is needed.

Currently, numerous studies and patents have been provided to provide methods for controlling such acoustic resonances. The method mainly adopts a sound absorption control principle, wherein the Helmholtz resonance sound absorption is widely applied and has a good effect. For example, chinese patent CN210970534U relates to a series of wheel solutions implemented based on helmholtz resonator noise reduction method.

However, in the solutions known from the above-mentioned prior art, the positioning and fixing of the resonator component are realized by the flange-like thin plate flange and the wall groove, which are engaged with each other, on one hand, the engaging mechanism is difficult to ensure the connection strength due to the thin-walled feature thereof, on the other hand, the realization of the connection fitting of both the components basically depends on the structural dimensional accuracy, which puts high demands on the processing and manufacturing of the component, and furthermore, the alignment and installation of both the components are laborious and troublesome, and the final installation and fastening force is not controllable.

Disclosure of Invention

It is an object of the present invention to provide an improved vehicle wheel with sound absorption means to achieve a convenient, fast and efficient mounting of the resonator.

The technical scheme of the invention is that the sound absorption device is provided with transverse and longitudinal crisscross binding belt grooves, the binding belt grooves divide the sound absorption device into four relatively independent chambers, and binding belt positioning bosses are arranged at the intersections of the transverse and longitudinal crisscross binding belt grooves. Set up two parallel guide rails on the wheel spoke, parallel guide rail interval and sound absorbing device width interference fit, the bandage setting is in the vertical bandage inslot of sound absorbing device, and the buckle on the bandage is with sound absorbing device and wheel fastening connection.

And the parallel guide rails are provided with sound absorption device positioning grooves for fixing the sound absorption devices to circumferentially displace relative to the wheels.

The sound absorption device is provided with a positioning surface and a positioning lug at the contact position of the sound absorption device and the guide rail, and the positioning surface is matched with the positioning lug and the guide rail positioning groove.

The wheel is provided with a first guide rail and a second guide rail which are used for fixing axial displacement of the resonator relative to the wheel, and the first guide rail and the second guide rail are provided with a first resonator positioning groove and a second resonator positioning groove which are used for fixing circumferential displacement of the resonator relative to the wheel.

The resonator positioning lug is used for being matched with a positioning groove of the wheel guide rail and fixing circumferential displacement of the resonator relative to the wheel. The straps serve to fix the radial displacement of the resonator relative to the wheel.

The resonator is provided with a binding belt groove for placing a binding belt, the fixing binding belt is axially displaced relative to the wheel, and a positioning boss on the resonator is matched with a positioning hole of the binding belt and used for fixing circumferential displacement of the binding belt relative to the wheel.

The first guide rail is provided with three surfaces, and the resonator positioning groove on the first guide rail is provided with three surfaces which are groove-shaped.

The second guide rail is provided with three surfaces, and the resonator positioning groove on the second guide rail is provided with three surfaces which are groove-shaped.

Two positioning lugs are arranged on two sides of the resonator, and the positioning lugs are arranged with a certain width.

Bandage and buckle constitute the radial fastening element of the relative wheel of syntonizer, and the buckle provides the pretightning force that extends bandage circumferential direction, sets up the locating hole on the bandage.

The first resonator positioning groove on the first guide rail is matched with the first resonator positioning lug, and the circumferential displacement of the resonator relative to the wheel is fixed by means of the first resonator positioning groove on the guide rail. And the height of the first guide rail is higher than that of the positioning lug of the first resonator after assembly, so that the positioning lug can be limited in the positioning groove.

And a second resonator positioning groove on the second guide rail is matched with the second resonator positioning lug, and the circumferential displacement of the resonator relative to the wheel is fixed by virtue of the second resonator positioning groove on the second guide rail. And the height of the second guide rail is higher than that of the positioning lug of the second resonator after assembly, so that the positioning lug of the second resonator can be limited in the positioning groove of the second resonator.

The resonator strap grooves on the resonator are in contact with the straps under the action of the fastening force of the straps, and the radial displacement of the resonator relative to the wheel is fixed.

And a binding belt positioning boss on the binding belt groove of the resonator is matched with the binding belt positioning hole. Circumferential displacement of the securing strap relative to the wheel and the resonator.

The resonator strap slot is used to secure the strap against axial displacement relative to the wheel and resonator.

The bandage passes through the pretightning force effect of buckle, and the relative wheel of fixed bandage and resonator radial displacement.

There may also be some clearance where the bottom surface of the resonator may contact the outer rim surface.

The lower surface of the strap is in contact fit with the bottom surface of the resonator strap slot.

The wheel sound absorption device has the advantages that the binding belt can be attached to the wheel in a circular mode, the mounting and fixing of the sound absorption device are guaranteed, and the sound absorption device is matched with the wheel more tightly and conveniently.

Drawings

Figure 1 is a schematic view of an improved wheel spoke with sound absorbing means.

Figure 2 is a cross-sectional view of an improved wheel spoke with sound absorbing means.

Fig. 3 is a partial schematic view of an improved wheel having sound absorbing means.

Fig. 4 is a schematic view of an improved wheel resonator with a sound absorbing device.

Fig. 5 is a cross-sectional view of the improved wheel resonator a-a with sound absorption means.

Fig. 6 is a sectional view of the improved wheel resonator B-B with sound absorption means.

Fig. 7 is an assembled schematic view of an improved wheel having a sound absorbing device.

Fig. 8 is a C-C sectional view of the improved wheel with sound absorption device after assembly.

Fig. 9 is a cross-sectional view of the improved vehicle wheel with sound absorption device after assembly in the direction of D-D.

Fig. 10 is a schematic view of the improved sound absorbing device of fig. 8 with a strap.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must be arranged in a particular orientation, constructed and operated in a particular orientation, and thus are not to be construed as limiting the scope of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defining an arrangement "first", "second", may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless an explicit limitation is set forth.

Two parallel annular first guide rails 2 and second guide rails 3 are designed on the wheel 1 and used for fixing axial displacement of the resonator relative to the wheel, and first resonator positioning grooves 4 and second resonator positioning grooves 5 are arranged on the first guide rails 2 and the second guide rails 3 and used for fixing circumferential displacement of the resonator relative to the wheel.

The first positioning surface 11a and the second positioning surface 11b of the resonator positioning guide rail groove are matched with the annular guide rail of the wheel, the fixed resonator is axially displaced relative to the wheel, and the first resonator positioning lug 13a and the second resonator positioning lug 13b are arranged on two sides of the resonator and are used for being matched with the first resonator positioning groove 4 and the second resonator positioning groove 5 to fix the circumferential displacement of the resonator relative to the wheel. The tie 15 serves to fix the radial displacement of the resonator 6 with respect to the wheel.

The resonator 6 is provided with a binding band groove 7 for placing a binding band and fixing the axial displacement of the binding band relative to the wheel, and a positioning boss 8 on the resonator is matched with a positioning hole 16 of the binding band 15 and is used for fixing the circumferential displacement of the binding band relative to the wheel.

The first guide rail 2 is provided with 3 surfaces, namely 2a, 2b and 2c, and the first resonator positioning groove 4 on the first guide rail 2 is provided with three surfaces, namely 4a, 4b and 4c, wherein the three surfaces are in a groove shape.

The second guide rail 3 has 3 surfaces, 3a, 3b and 3c, and the second resonator positioning groove 5 on the second guide rail 3 has three surfaces, 5a, 5b and 5c, three surfaces are in a groove shape.

The two

surfaces

9a and 10 on the resonator meet to form a positioning surface 11a, and the two

surfaces

9b and 10 meet to form a positioning surface 11 b.

The first resonator positioning lug 13a and the second resonator positioning lug 13b have a certain width, the upper surface of the first resonator positioning lug 13a is 12a, the lower surface thereof is 14a, and the upper surface of the second resonator positioning lug 13b is 12b, and the lower surface thereof is 14 b.

The binding belt 15 and the buckle 17 form a radial fastening element of the resonator 6 relative to the wheel 1, the buckle 17 provides pre-tightening force along the circumferential direction of the binding belt 15, and the binding belt 15 is provided with a positioning hole 16.

The resonator strap groove 7 has 3

surfaces

7a, 7b, and 7c, respectively, and the surface 7b is an annular surface having the wheel axis as a rotation axis.

The face 2c of the first guide rail 2 cooperates with the resonator positioning face 11a and the face 3c of the second guide rail 3 cooperates with the resonator positioning face 11b for fixing the axial displacement of the resonator 6 with respect to the wheel 1.

The surface 4b of the first resonator positioning groove 4 on the first guide rail 2 is fitted with the surface 14a of the resonator first positioning lug 13a, and the circumferential displacement of the resonator 6 relative to the wheel 1 is fixed by means of the

surfaces

4a and 4c of the first resonator positioning groove 4 on the first guide rail 2. And the height of the first guide rail 2 is higher than that of the first positioning lug 13a after assembly, so that the first positioning lug 13a can be limited in the positioning groove 4.

The face 5b of the second resonator positioning groove 5 on the second rail 3 is fitted with the face 14b of the resonator second positioning lug 13b, and the circumferential displacement of the resonator 6 relative to the wheel 1 is fixed by means of the face 5a and the face 5c of the second resonator positioning groove 5 on the second rail 3. And the height of the second guide rail 3 is higher than that of the second positioning lug 13b after assembly, so that the second positioning lug 13b can be limited in the first resonator positioning groove 4.

The face 7b of the resonator strap groove 7 on the resonator 6 comes into contact with the face 15a of the strap 15 by the strap fastening force, fixing the radial displacement of the resonator 6 with respect to the wheel 1.

Strap positioning bosses 8 on strap slots 7 of the vibrator are matched with strap 15 positioning holes 16. The fixing tie 15 is displaced with respect to the circumferential direction of the wheel 1 and of the resonator 6.

Faces

7a and 7c on resonator strap slot 7 are used to secure strap 15 for axial displacement relative to wheel 1 and resonator 6.

The straps 15 are acted upon by the pretension of the catches 16, which secures the straps 15 against radial displacement of the wheel 1 and the resonator 6.

There may also be some clearance where the bottom surface 10 of the resonator 6 may contact the outer rim surface 18.

The lower surface 15a of the strap 15 is in contact engagement with the surface 7b of the resonator strap groove 7.

In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Improved wheel with sound absorption device, including syntonizer, bandage, its characterized in that: the sound absorption device is provided with binding belt grooves which are crosswise and longitudinal, wherein the binding belt grooves divide the sound absorption device into four relatively independent chambers, and binding belt positioning bosses are arranged at the intersection points of the crosswise and longitudinal binding belt grooves; the wheel spoke is provided with two parallel guide rails, the distance between the parallel guide rails is in interference fit with the width of the sound absorption device, the binding band is arranged in a longitudinal binding band groove of the sound absorption device, and the sound absorption device is fixedly connected with the wheel through a buckle on the binding band; a positioning groove of the sound absorption device is arranged on the parallel guide rail; the resonator sets up locating surface and location ear with the guide rail contact position, and the locating surface cooperates with location ear and guide rail constant head tank.

2. The improved wheel with sound absorption device as set forth in claim 1, wherein the wheel is provided with a first guide rail and a second guide rail, and the first guide rail and the second guide rail are provided with a first resonator positioning groove and a second resonator positioning groove;

the positioning surface of the groove of the resonator positioning guide rail is matched with the annular track of the wheel, the resonator positioning lug is matched with the positioning groove of the wheel guide rail, the resonator is provided with a binding belt groove, and the positioning boss on the resonator is matched with the positioning hole of the binding belt;

the first guide rail is provided with three surfaces, and the resonator positioning groove on the first guide rail is provided with three surfaces which are groove-shaped;

the second guide rail is provided with three surfaces, and the resonator positioning groove on the second guide rail is provided with three surfaces which are groove-shaped;

two positioning lugs are arranged on two sides of the resonator, and the positioning lugs are arranged with a certain width;

the first resonator positioning groove on the first guide rail is matched with the first resonator positioning lug, and the circumferential displacement of the resonator relative to the wheel is fixed by the first resonator positioning groove on the guide rail; the height of the first guide rail is higher than that of the positioning lug of the first resonator after assembly;

a second resonator positioning groove on the second guide rail is matched with the second resonator positioning lug, and the circumferential displacement of the resonator relative to the wheel is fixed by the second resonator positioning groove on the second guide rail; and the height of the second guide rail is higher than that of the positioning lug of the second resonator after assembly.