CN217259887U

CN217259887U - High-efficient sound structure of inhaling of car

Info

Publication number: CN217259887U
Application number: CN202220303147.8U
Authority: CN
Inventors: 汪静
Original assignee: Guangzhou Yingjie Auto Parts Co ltd
Current assignee: Guangzhou Yingjie Auto Parts Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-08-23
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses an automobile high-efficiency sound absorption structure, which comprises a first assembly side body, a main assembly body and a second assembly side body, wherein the first assembly side body and the second assembly side body are connected to the left end and the right end of the main assembly body; the first assembling side body is used for assembling with the automobile body; the second assembling side body is used for assembling with the automobile body; the main assembly body is provided with a first inclined edge which is inclined towards the first assembly side body from the second assembly side body; the main assembly body is internally provided with a first inner cavity which is used for filling sound-absorbing materials. The technical scheme of the utility model can improve amortization efficiency.

Description

High-efficient sound structure of inhaling of car

Technical Field

The utility model relates to an automobile sound insulation technical field, concretely relates to sound structure is inhaled to car high efficiency.

Background

With the popularization of automobiles, the requirements of consumers on the comfort of automobiles, particularly the requirements on noise in automobiles are higher and higher. The acoustic package is used as a barrier for transmitting noise outside the automobile to the interior, and the riding environment which is met by passengers is very critical by reasonably designing and optimizing the acoustic package scheme in the idling and driving processes of the automobile.

The sound bag scheme of the automobile body has some defects and poor sound absorption efficiency; to some extent, the driving experience of the passengers is affected.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims at providing an automobile high-efficiency sound absorption structure, aiming at improving the sound absorption efficiency; and the structural stability is guaranteed.

The utility model discloses the above-mentioned problem that will solve is in order to realize through following technical scheme:

an automobile high-efficiency sound absorption structure comprises a first assembly side body, a main assembly body and a second assembly side body, wherein the first assembly side body and the second assembly side body are connected to the left end and the right end of the main assembly body; the first assembling side body is used for assembling with the automobile body; the second assembling side body is used for assembling with the automobile body; the main assembly body is provided with a first inclined edge which is inclined towards the first assembly side body from the second assembly side body; the main assembly body is internally provided with a first inner cavity which is used for filling sound-absorbing materials.

Preferably, the main assembly body comprises a third supporting portion and a fourth supporting portion, the third supporting portion is connected to the fourth supporting portion, and the first inner cavity is formed between the third supporting portion and the fourth supporting portion; and the third supporting part is used for being in contact connection with the automobile body.

Preferably, the first inclined edge includes a third inclined surface, a second concave body, a second inclined surface, a first concave body and a first inclined surface, which are sequentially arranged along the second assembly side body toward the first assembly side body.

Preferably, the inclination angle of the first inclined plane is smaller than that of the second inclined plane; the inclination angle of the second inclined plane is smaller than that of the third inclined plane.

Preferably, the bottom inclination angle of the first concave body is smaller than that of the second concave body; the bottom inclination angle of the second concave body is smaller than that of the third inclined surface.

Preferably, the sound-absorbing material includes a first sound-absorbing filler and a first flame-retardant filler, and the first flame-retardant filler is located above the first sound-absorbing filler.

Preferably, the first flame-retardant filling body is made of a halogen-antimony oxide material; the first sound absorption filling body is made of sound absorption cotton.

Preferably, a second inner cavity is arranged in the second assembling side body, and the second inner cavity is communicated with the first inner cavity.

Preferably, the first assembling side body comprises a first supporting part and a second supporting part connected above the first supporting part, and a second sound-deadening filling body is filled between the second supporting part and the first supporting part.

Preferably, the first supporting part is provided with a first positioning groove.

Has the advantages that: the technical proposal of the utility model separates the main assembly body with the sound absorption function from the first assembly side body and the second assembly side body, which can effectively realize the stability of assembly and can also ensure the sound absorption efficiency; the first inclined edge is arranged on the main assembly body, so that the flow guide effect on liquid or other fluids on the surface can be realized; simultaneously through first slope limit and sound absorbing material can make the orbit of the noise of transmission take place constantly to refract or reflect, the loudness of noise is reduced effectively to improve amortization efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of an embodiment of the high-efficiency sound-absorbing structure of an automobile according to the present invention.

Fig. 2 is a schematic view of a part of the structure of an embodiment of the sound structure is inhaled to a car high efficiency.

Fig. 3 is a schematic view of a part of the structure of an embodiment of the high-efficiency sound-absorbing structure of an automobile of the present invention.

The reference numbers illustrate: 1-a first assembly side body; 11-a first support; 12-a second support; 13-a second filling body; 111-a first positioning groove; 2-the main assembly; 20-a first lumen; 21-a first via; 23-a third support; 24-a fourth support; 241-a first inclined plane; 242-a first concavity; 243-a second inclined plane; 244-a second concavity; 245-a third bevel; 25-a first flame retardant filler; 26-a first sound absorbing filling body; 3-second assembly side body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a sound structure is inhaled to car high efficiency.

As shown in fig. 1-3, in an embodiment of the present invention, the sound-absorbing structure for a vehicle is highly efficient; the assembly structure comprises a first assembly side body 1, a main assembly body 2 and a second assembly side body 3, wherein the first assembly side body 1 and the second assembly side body 3 are connected to the left end and the right end of the main assembly body 2; the first assembling side body 1 is used for assembling with an automobile body; the second assembling side body 3 is used for assembling with an automobile body; the main assembly body 2 is provided with a first inclined edge which is inclined towards the first assembly side body 1 from the second assembly side body 3; a first inner cavity 20 is formed in the main assembly body 2, and the first inner cavity 20 is used for filling sound-absorbing material.

The technical proposal of the utility model separates the main assembly body with the sound absorption function from the first assembly side body and the second assembly side body, which can effectively realize the stability of assembly and can also ensure the sound absorption efficiency; the first inclined edge is arranged on the main assembly body, so that the flow guide effect on liquid or other fluids on the surface can be realized; simultaneously through first slope limit and sound absorbing material can make the orbit of the noise of transmission take place constantly to refract or reflect, the loudness of noise is reduced effectively to improve amortization efficiency.

Specifically, in some embodiments, as shown in fig. 2, the main assembly 2 includes a third supporting portion 23 and a fourth supporting portion 24, the third supporting portion 23 is connected to the fourth supporting portion 24, and the first inner cavity 20 is formed between the third supporting portion 23 and the fourth supporting portion 24; and the third support 23 is intended for contact connection with the car body. The stability and the sound absorption effect of guarantee assembly. Wherein, in some embodiments, the side end of the fourth supporting body 24 is provided with at least one first through hole 21; improving the efficiency of ventilation and noise exhaust.

Specifically, in some embodiments, as shown in fig. 2, the first inclined edge includes a third inclined surface 245, a second concave body 244, a second inclined surface 243, a first concave body 242, and a first inclined surface 241, which are sequentially disposed along the second assembly side body 3 toward the first assembly side body 1. The running track of the noise can be continuously refracted or reflected through the concave-convex inclined edges arranged at intervals, and the loudness of the noise is effectively reduced.

Wherein, in some embodiments, the angle of inclination of the first slope 241 is less than the angle of inclination of the second slope 243; the inclination angle of the second inclined surface 243 is smaller than that of the third inclined surface 245. Wherein, in some embodiments, the bottom tilt angle of the first recess 242 is less than the bottom tilt angle of the second recess 244; the bottom inclination angle of the second concave body 244 is smaller than that of the third inclined surface 245. And the flowing fluency of the fluid is guaranteed.

Specifically, in some embodiments, as shown in fig. 2, the sound-absorbing material includes a first sound-absorbing filler 26 and a first flame-retardant filler 25, the first flame-retardant filler 25 being located above the first sound-absorbing filler 26; make to inhale the sound structure and at first possess fire-retardant function and possess again and inhale the sound function and can ensure the life who inhales the sound material, ensure to inhale sound efficiency. Wherein, the first flame-retardant filling body 25 is made of halogen-antimony oxide material; the first sound absorption filling body 26 is made of sound absorption cotton.

Specifically, the fourth supporting body 24 is made of a rubber material; the anti-corrosion supporting performance is improved by the rubber material.

Specifically, in some embodiments, as shown in fig. 2, the bottom of the third supporting portion 23 is provided with a second positioning groove 231; the installation convenience is improved.

Specifically, in some embodiments, as shown in fig. 1, a second inner cavity is provided in the second assembly side body 3, and the second inner cavity is communicated with the first inner cavity 20; the second inner cavity is used for filling the sound absorption body; wherein, the sound absorption body is made of sound absorption cotton.

Specifically, in some embodiments, as shown in fig. 1 and 3, the first fitting side body 1 includes a first support portion 11 and a second support portion 12 connected above the first support portion 11, and a sound-deadening second packing body 13 is filled between the second support portion 12 and the first support portion 11. Wherein, the second filling body 13 is made of sound-deadening cotton.

In some embodiments, the first supporting portion 11 is provided with a first positioning groove 111; the installation convenience is improved.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An automobile high-efficiency sound absorption structure is characterized by comprising a first assembly side body, a main assembly body and a second assembly side body, wherein the first assembly side body and the second assembly side body are connected to the left end and the right end of the main assembly body; the first assembling side body is used for assembling with the automobile body; the second assembling side body is used for assembling with the automobile body; the main assembly body is provided with a first inclined edge which is inclined towards the first assembly side body from the second assembly side body; the main assembly body is internally provided with a first inner cavity which is used for filling sound-absorbing materials.

2. The structure of claim 1, wherein the main assembly comprises a third support portion and a fourth support portion, the third support portion is connected to the fourth support portion, and the first inner cavity is formed between the third support portion and the fourth support portion; and the third supporting part is used for being in contact connection with the automobile body.

3. A sound-absorbing structure with high efficiency as set forth in claim 2, wherein said first inclined side includes a third inclined surface, a second concave body, a second inclined surface, a first concave body and a first inclined surface which are arranged in this order along said second fitting side body toward said first fitting side body.

4. A high efficiency sound-absorbing structure for automobile as claimed in claim 3, wherein the inclination angle of said first inclined plane is smaller than that of said second inclined plane; the inclination angle of the second inclined plane is smaller than that of the third inclined plane.

5. The sound-absorbing structure of claim 3 or 4, wherein the bottom inclination angle of the first concave is smaller than that of the second concave; the bottom inclination angle of the second concave body is smaller than that of the third inclined surface.

6. The structure of claim 1, wherein the sound-absorbing material comprises a first sound-absorbing filler and a first flame-retardant filler, and the first flame-retardant filler is located above the first sound-absorbing filler.

7. The structure of claim 6, wherein the first flame-retardant filler is a halogen-antimony oxide material; the first sound absorption filling body is made of sound absorption cotton.

8. The sound-absorbing structure as claimed in claim 1, wherein a second cavity is formed in the second assembly side, and the second cavity is connected to the first cavity.

9. The structure of claim 1, wherein the first assembling side body includes a first supporting portion and a second supporting portion connected above the first supporting portion, and a sound-deadening second filling body is filled between the second supporting portion and the first supporting portion.

10. The sound-absorbing structure as claimed in claim 9, wherein the first supporting portion has a first positioning groove.