A composite sound absorbing and insulating member for automobile interior

Abstract

The application discloses a kind of composite sound-absorbing and sound-insulating components for car, it is related to the technical field of sound-absorbing component for car, including sound-absorbing component and assembly component, sound-absorbing component includes shell, assembly component includes first ring and second ring, the outer surface of first ring and the outer surface of second ring are all fixedly connected with the inner wall of shell, and first ring is located above second ring.It can effectively improve the sound insulation effect of car by the cooperation between sound-absorbing component and assembly component, thereby greatly improving the comfort of drivers and passengers, and the assembly component can be used to facilitate the combination and installation of multiple sound-absorbing components, thereby avoiding the staff spending a lot of time assembling and effectively improving work efficiency.By the cooperation between the first ring, the positioning rod, the second ring and the positioning hole, two sound-absorbing components can be quickly combined together when assembling the sound-absorbing component.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile sound-absorbing components, in particular to a composite sound-absorbing component for automobile interior. BACKGROUND

[0002] With the rapid development of science and technology, automobiles are becoming an indispensable means of transportation and are used very frequently and universally. In order to reduce the noise in the driver's cabin during driving, sound-absorbing components are arranged in the inner layer of accessories such as door trim, instrument panel, tailgate and rear partition plate of the automobile.

[0003] At present, in order to improve the sound-absorbing effect of the sound-absorbing component, multiple sound-absorbing components are usually combined to form a sound-absorbing component. However, the existing composite sound-absorbing component for automobile interior has the problem that the sound-absorbing components are not convenient to combine and install, which requires a lot of time for the staff to assemble and seriously affects the work efficiency. Therefore, the present application provides a composite sound-absorbing component for automobile interior to solve the above problems. SUMMARY

[0004] The present application aims to make up for the shortcomings of the prior art and provides a composite sound-absorbing component for automobile interior.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a composite sound-absorbing component for automobile interior, comprising a sound-absorbing component and an assembly component, wherein the sound-absorbing component comprises a shell, the assembly component comprises a first circular ring and a second circular ring, the outer surface of the first circular ring and the outer surface of the second circular ring are fixedly connected with the inner wall of the shell, and the first circular ring is located above the second circular ring.

[0006] Preferably, the sound-absorbing component comprises a sound-absorbing layer mounted in the shell, a first fire-retardant foaming layer is fixedly bonded to the bottom surface of the sound-absorbing layer by an adhesive, a second fire-retardant foaming layer is fixedly bonded to the upper surface of the sound-absorbing layer by an adhesive, and the first fire-retardant foaming layer, the sound-absorbing layer and the second fire-retardant foaming layer are located between the first circular ring and the second circular ring.

[0007] Preferably, one side of the first circular ring away from the second circular ring is fixedly connected with four positioning rods, the inside of the first circular ring is provided with two limiting holes, and the inside of the second circular ring is provided with four positioning holes.

[0008] Preferably, the assembly component further comprises two supporting plates and two threaded rods, one side of each of the two supporting plates away from each other is fixedly connected with the outer surface of the shell, and the outer surface of each of the two threaded rods is threadedly connected with a U-shaped plate, and one side of each of the two U-shaped plates away from each other is fixedly connected with one side of each of the two supporting plates away from each other.

[0009] Preferably, one end of the two threaded rods away from each other is fixedly connected with a cylindrical handle, and the outer surfaces of the two threaded rods are rotatably connected with moving plates.

[0010] Preferably, the outer surfaces of the two moving plates are fixedly connected with two sliding blocks, and the sliding blocks are slidingly connected in the interiors of the U-shaped plates.

[0011] Preferably, one side of the two moving plates away from each other is fixedly connected with a limiting rod, and one end of the limiting rod away from the moving plate penetrates through the supporting plate and is inserted in the interior of the shell.

[0012] Beneficial effects:

[0013] Compared with the prior art, the automobile interior composite sound absorption and insulation component has the following beneficial effects:

[0014] Firstly, the sound absorption component and the assembling component are matched, the sound absorption component can effectively improve the sound insulation effect of the automobile, thereby greatly improving the comfort of the driver and the passengers, the assembling component can facilitate the combination and installation of multiple sound absorption components, thereby avoiding the staff spending a lot of time for assembling, and thereby effectively improving the work efficiency.

[0015] Secondly, the first circular ring, the positioning rod, the second circular ring and the positioning hole are matched, two sound absorption components can be quickly combined together when assembling the sound absorption component, and the limiting hole, the supporting plate, the threaded rod, the U-shaped plate, the moving plate, the sliding block, the limiting rod and the cylindrical handle are matched, thereby facilitating the fixation of the two sound absorption components combined together. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective structural schematic view of the present application;

[0017] Figure 2 It is a top view of the present application;

[0018] Figure 3 It is an A-A sectional view of the present application; Figure 2

[0019] Figure 4 It is a perspective structural schematic view of the first circular ring, the positioning rod and the limiting hole of the present application.

[0020] Figure 5 It is a perspective structural schematic view of the second circular ring and the positioning hole of the present application.

[0021] Figure 6 It is a partial perspective structural schematic view of the assembling component of the present application.

[0022] ​As shown in the figure: 1, sound-absorbing assembly; 101, shell; 102, first fire-retardant foaming layer; 103, sound-absorbing layer; 104, second fire-retardant foaming layer; 2, assembly assembly; 201, first circular ring; 202, positioning rod; 203, limiting hole; 204, second circular ring; 205, positioning hole; 206, support plate; 207, threaded rod; 208, U-shaped plate; 209, moving plate; 210, sliding block; 211, limiting rod; 212, cylindrical handle. DETAILED DESCRIPTION

[0023] The principles and features of the present application are described below in conjunction with the accompanying drawings, and the examples are only used to explain the present application and are not used to limit the scope of the present application.

[0024] As Figures 1-6 shown, a kind of automobile interior composite sound-absorbing and insulating component, including sound-absorbing assembly 1 and assembly assembly 2, sound-absorbing assembly 1 includes shell 101, assembly assembly 2 includes first circular ring 201 and second circular ring 204, the outer surface of first circular ring 201 with the outer surface of second circular ring 204 are all with the inner wall of shell 101 Fixed connection, first circular ring 201 is located above second circular ring 204.

[0025] First circular ring 201 and second circular ring 204 are same in size and shape, by setting sound-absorbing assembly 1, the sound insulation effect of automobile can be effectively improved, so as to greatly improve the comfort of driver and passenger, by setting assembly assembly 2, it can be combined, installed to multiple sound-absorbing assembly 1, so as to avoid staff to spend a lot of time for assembly, so as to effectively improve work efficiency.

[0026] Sound-absorbing assembly 1 includes sound-absorbing layer 103 installed in the inside of shell 101, the bottom surface of sound-absorbing layer 103 is fixedly bonded with first fire-retardant foaming layer 102 by adhesive, the upper surface of sound-absorbing layer 103 is fixedly bonded with second fire-retardant foaming layer 104 by adhesive, first fire-retardant foaming layer 102, sound-absorbing layer 103 and second fire-retardant foaming layer 104 are all located between first circular ring 201 and second circular ring 204, by setting first fire-retardant foaming layer 102 and second fire-retardant foaming layer 104, the fire-retardant performance of sound-absorbing layer 103 can be increased, so as to avoid burning of sound-absorbing layer 103 due to high temperature, sound-absorbing layer 103 is made of mine stone wool fiber, and mine stone wool has good sound-absorbing function.

[0027] The first circular ring 201 is fixedly connected with four positioning rods 202 on the side away from the second circular ring 204, two limiting holes 203 are arranged in the interior of the first circular ring 201, four positioning holes 205 are arranged in the interior of the second circular ring 204, the four positioning rods 202 are arranged in a circumferential array on the outer surface of the first circular ring 201, the four positioning holes 205 are arranged in a circumferential array in the interior of the second circular ring 204, the positioning rod 202 is matched with the positioning hole 205, and through cooperation between the first circular ring 201, the positioning rod 202, the second circular ring 204 and the positioning hole 205, the two sound-absorbing assemblies 1 can be quickly combined together when the sound-absorbing component is assembled.

[0028] The assembled assembly 2 further comprises two supporting plates 206 and two threaded rods 207, the mutually close sides of the two supporting plates 206 are fixedly connected with the outer surface of the shell 101, the outer surfaces of the two threaded rods 207 are threadedly connected with U-shaped plates 208, the mutually close sides of the two U-shaped plates 208 are fixedly connected with the mutually faraway sides of the two supporting plates 206 respectively, and the two supporting plates 206 are symmetric about the center point of the shell 101.

[0029] The mutually faraway ends of the two threaded rods 207 are fixedly connected with cylindrical handles 212, the outer surfaces of the two threaded rods 207 are rotationally connected with moving plates 209, the outer surfaces of the two moving plates 209 are fixedly connected with two sliding blocks 210, the sliding blocks 210 are slidingly connected in the interiors of the U-shaped plates 208, the cylindrical handle 212 can drive the threaded rod 207 to rotate, the moving plate 209 and the sliding block 210 can be moved towards the shell 101 when the cylindrical handle 212 is twisted clockwise, and the moving plate 209 and the sliding block 210 can be moved away from the shell 101 when the cylindrical handle 212 is twisted counterclockwise.

[0030] The mutually close sides of the two moving plates 209 are fixedly connected with limiting rods 211, and the ends of the limiting rods 211 away from the moving plates 209 penetrate through the supporting plates 206 and are inserted in the interior of the shell 101, the cylindrical handle 212 on one of the sound-absorbing assemblies 1 is twisted, the cylindrical handle 212 can drive the threaded rod 207 to rotate, the threaded rod 207 can drive the moving plate 209 and the sliding block 210 to move towards the shell 101, the moving plate 209 moving towards the shell 101 can drive the limiting rod 211 to move towards the limiting hole 203 in the interior of the other sound-absorbing assembly 1, and the assembly of the two sound-absorbing assemblies 1 is completed after the limiting rod 211 on one of the sound-absorbing assemblies 1 is inserted in the limiting hole 203 in the other sound-absorbing assembly 1.

[0031] Working principle: when assembling the sound absorption component, first, two sound absorption assemblies 1 are attached together, and the first circular ring 201 inside one of the sound absorption assemblies 1 is in contact with the second circular ring 204 inside the other sound absorption assembly 1, the positioning rod 202 inside one of the sound absorption assemblies 1 is inserted into the positioning hole 205 inside the other sound absorption assembly 1, then the cylindrical handle 212 on one of the sound absorption assemblies 1 is twisted, the cylindrical handle 212 can drive the threaded rod 207 to rotate, the threaded rod 207 rotating can drive the moving plate 209 and the sliding block 210 to move towards the housing 101, the moving plate 209 moving towards the housing 101 can drive the limiting rod 211 to move towards the limiting hole 203 inside the other sound absorption assembly 1, when the limiting rod 211 on one of the sound absorption assemblies 1 is inserted into the limiting hole 203 on the other sound absorption assembly 1, the assembly of the two sound absorption assemblies 1 is completed, according to this method, a plurality of sound absorption assemblies 1 can be quickly assembled into a sound absorption component, and the sound absorption component can be assembled by assembling a plurality of sound absorption assemblies 1 to soundproof the automobile, so that the sound insulation effect of the automobile can be effectively improved, thereby greatly improving the comfort of the driver and the passengers.

[0032] In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, and a particular orientation configuration and operation, therefore, cannot be understood as a limitation on the present application. In addition, "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] The above describes one embodiment of the present application in detail, but the content described is only the preferred embodiment of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made within the scope of the present application shall still belong to the patent scope of the present application.

Claims

1. A composite sound absorbing and insulating component for interior of an automobile, comprising a sound absorbing assembly (1) and an assembling assembly (2), characterized in that: The sound-absorbing assembly (1) comprises an outer shell (101), the assembly component (2) comprises a first circular ring (201) and a second circular ring (204), the outer surface of the first circular ring (201) and the outer surface of the second circular ring (204) are fixedly connected with the inner wall of the outer shell (101), and the first circular ring (201) is located above the second circular ring (204); one side of the first circular ring (201) away from the second circular ring (204) is fixedly connected with four positioning rods (202), the inside of the first circular ring (201) is provided with two limiting holes (203), and the inside of the second circular ring (204) is provided with four positioning holes (205); the assembly component (2) further comprises two supporting plates (206) and two threaded rods (207), one side of the two supporting plates (206) close to each other is fixedly connected with the outer surface of the outer shell (101), and the outer surfaces of the two threaded rods (207) are both threadedly connected with U-shaped plates (208), one side of the two U-shaped plates (208) close to each other is fixedly connected with the sides of the two supporting plates (206) away from each other; one end of the two threaded rods (207) away from each other is fixedly connected with a cylindrical handle (212), and the outer surfaces of the two threaded rods (207) are both rotatably connected with moving plates (209); the outer surfaces of the two moving plates (209) are both fixedly connected with two sliding blocks (210), and the sliding blocks (210) are slidingly connected in the interiors of the U-shaped plates (208); one side of the two moving plates (209) close to each other is fixedly connected with a limiting rod (211), and one end of the limiting rod (211) away from the moving plate (209) penetrates through the supporting plate (206) and is inserted into the interior of the outer shell (101); the cylindrical handle (212) can drive the threaded rod (207) to rotate, the threaded rod (207) can drive the moving plate (209) and the sliding block (210) to move towards the outer shell (101), and the moving plate (209) moving towards the outer shell (101) can drive the limiting rod (211) to move towards the limiting hole (203) in the interior of the other sound-absorbing assembly (1), and when the limiting rod (211) on one sound-absorbing assembly (1) is inserted into the limiting hole (203) on the other sound-absorbing assembly (1), the assembly of the two sound-absorbing assemblies (1) is completed.

2. The automotive interior composite sound absorbing and insulating member according to claim 1, characterized in that: The sound-absorbing assembly (1) comprises a sound-absorbing layer (103) mounted in the interior of the outer shell (101), the bottom surface of the sound-absorbing layer (103) is fixedly bonded with a first flame-retardant foaming layer (102) through an adhesive, and the upper surface of the sound-absorbing layer (103) is fixedly bonded with a second flame-retardant foaming layer (104) through an adhesive, and the first flame-retardant foaming layer (102), the sound-absorbing layer (103) and the second flame-retardant foaming layer (104) are located between the first circular ring (201) and the second circular ring (204).

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