CN216069872U

CN216069872U - Hot briquetting car sound insulation pad structure

Info

Publication number: CN216069872U
Application number: CN202122451001.6U
Authority: CN
Inventors: 吴丽芳
Original assignee: Guangzhou Huahang Rubber Products Co ltd
Current assignee: Guangzhou Huahang Rubber Products Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-03-18
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a hot-press molding automobile sound insulation pad structure which comprises a sound insulation pad body, wherein a plurality of concave cavities are formed in one side of the sound insulation pad body, a plurality of bayonets are formed in the edge of the sound insulation pad body, grooves are formed in the corners of the sound insulation pad body, a connecting hole is formed between every two adjacent grooves, a plastic rod is arranged in the connecting hole, and the two connected plastic rods are fixedly connected through hot melting. According to the automobile sound insulation cushion, the plastic rods are plugged into the connecting holes of the two adjacent grooves, the plastic rods at the edges are integrated in sequence, and the edges of the sound insulation cushion body can be in good contact with metal plates of an automobile by matching with the adsorption of the annular magnet, so that the sound insulation effect is ensured.

Description

Hot briquetting car sound insulation pad structure

Technical Field

The utility model relates to the technical field of automobile sound insulation pads, in particular to a hot-press formed automobile sound insulation pad structure.

Background

The automobile sound insulation material is a material designed aiming at automobile noise, the main automobile sound insulation material is butyl rubber, belongs to an environment-friendly damping fin, rubber and plastic, EVA/EPDM plates and the like, and different automobile sound insulation materials are adopted aiming at the source of the automobile noise, such as automobile doors, roofs, automobile windows, automobile chassis, rear tail boxes, engine covers and other parts which are easy to generate the automobile noise, and installation of some sound insulation materials is carried out.

The edge structure intensity of current sound insulation pad is not enough, be not convenient for with the panel beating laminating, form the gap easily, reduce syllable-dividing effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a hot-press formed automobile sound insulation pad structure, so that the problems in the prior art are solved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a hot briquetting car gives sound insulation and fills up structure, includes the sound insulation pad body, sound insulation pad body one side is equipped with a plurality of cavitys, sound insulation pad body's edge is equipped with a plurality of bayonets, sound insulation pad body's edge is equipped with the recess, is equipped with the connecting hole between two adjacent recesses, be equipped with the plastic rod in the connecting hole, through hot melt fixed connection between two continuous plastic rods.

Preferably, a plurality of annular magnets are sleeved on the plastic rod at intervals, and the side surfaces of the annular magnets are magnetic poles.

Preferably, the bayonet is circular, and the connecting sleeve is fixed in the bayonet.

Preferably, backing rings are arranged at two ends of the sleeve, and the sleeve and the backing rings are integrated.

Preferably, the sleeve is made of rubber.

Preferably, the sound absorption grooves are uniformly distributed in the concave cavity.

Preferably, each sound absorption groove is a semicircular cavity, the inner arc surfaces of the sound absorption grooves are provided with obtuse angle grooves at intervals, and the cross sections of the obtuse angle grooves are obtuse-angled triangles.

The utility model has the advantages that: according to the hot-press molding automobile sound insulation pad structure, the plastic rods are plugged into the connecting holes of the two adjacent grooves, the plastic rods at the edges are sequentially integrated, and the edges of the sound insulation pad body can be well contacted with metal plates of an automobile by matching with the adsorption of the annular magnets, so that the sound insulation effect is ensured.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a sectional view A-A of FIG. 1;

fig. 3 is a partially enlarged view of fig. 2 at E.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

As shown in fig. 1-3, the thermal compression molding automobile sound insulation pad structure provided by the utility model comprises a sound insulation pad body 1, wherein one side of the sound insulation pad body 1 is provided with a plurality of concave cavities 2, the edge of the sound insulation pad body 1 is provided with a plurality of bayonets 3, the corners of the sound insulation pad body 1 are provided with grooves 11, a connecting hole 12 is arranged between every two adjacent grooves 11, a plastic rod 13 is arranged in the connecting hole 12, the two connected plastic rods 13 are fixedly connected through hot melting, the plastic rod 13 is sleeved with a plurality of annular magnets 14 at intervals, and the side surfaces of the annular magnets 14 are magnetic poles. The plastic rods 13 are plugged into the connecting holes 12 of the two adjacent grooves 11, the plastic rods 13 at the edges are made to form a whole in sequence, and the edges of the sound insulation cushion body 1 can be well contacted with the metal plates of an automobile by matching with the adsorption of the annular magnets 14, so that the sound insulation effect is ensured.

The bayonet 3 is circular, the sleeve 31 is fixedly connected in the bayonet 3, the backing rings 32 are arranged at two ends of the sleeve 31, the sleeve 31 and the backing rings 32 are integrated, and the sleeve 31 is made of rubber; the sleeve 31 has elasticity, thereby facilitating the quick connection with the clamping column on the automobile sheet metal.

The sound absorption grooves 21 are uniformly distributed in the concave cavity 2, each sound absorption groove 21 is a semicircular cavity, the inner arc surfaces of the sound absorption grooves 21 are provided with obtuse angle grooves 22 at intervals, and the cross sections of the obtuse angle grooves 22 are obtuse triangle shapes, so that the sound absorption grooves can be conveniently formed by pressing one side of a hot-pressing die. The sound waves are reflected to the sound absorption grooves 21 and dispersed to the obtuse angle grooves 22, and the adjacent obtuse angle grooves 22 are reflected for multiple times, so that the sound absorption effect is improved, and the sound insulation effect is improved.

The use principle, the connecting hole 12 of two adjacent recesses 11 is plugged in the plastic rod 13 to make the plastic rod 13 at edge form wholly in proper order, cooperate the absorption of annular magnet 14, make the edge of the sound insulation pad body 1 can be good with the panel beating contact of car, thereby guarantee the effect that gives sound insulation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hot briquetting car gives sound insulation and fills up structure, includes the sound insulation pad body (1), sound insulation pad body (1) one side is equipped with a plurality of cavities (2), the edge of the sound insulation pad body (1) is equipped with a plurality of bayonet sockets (3), its characterized in that: the sound insulation cushion is characterized in that grooves (11) are formed in the corners of the sound insulation cushion body (1), a connecting hole (12) is formed between every two adjacent grooves (11), plastic rods (13) are installed in the connecting holes (12), and the two connected plastic rods (13) are fixedly connected through hot melting.

2. The automotive soundproof pad structure of claim 1, wherein: the plastic rod (13) is sleeved with a plurality of annular magnets (14) at intervals, and the side surfaces of the annular magnets (14) are magnetic poles.

3. The automotive soundproof pad structure of claim 1, wherein: the bayonet (3) is circular, and the connecting sleeve (31) is fixed in the bayonet (3).

4. The automotive soundproof pad structure according to claim 3, wherein: backing rings (32) are arranged at two ends of the sleeve (31), and the sleeve (31) and the backing rings (32) are integrated.

5. The automotive soundproof pad structure according to claim 3, wherein: the sleeve (31) is made of rubber.

6. The automotive soundproof pad structure of claim 1, wherein: the sound absorption grooves (21) are uniformly distributed in the concave cavity (2).

7. The automotive soundproof pad structure according to claim 6, wherein: each sound absorption groove (21) is a semicircular cavity, obtuse angle grooves (22) are formed in the inner arc surfaces of the sound absorption grooves (21) at intervals, and the cross section of each obtuse angle groove (22) is in an obtuse triangle shape.