CN218949097U - Mounting structure of soundproof cotton on automobile body part and vehicle - Google Patents

Abstract

The utility model provides a mounting structure of soundproof cotton on a vehicle body part and a vehicle. The utility model relates to a mounting structure of soundproof cotton on a vehicle body part, which comprises a clamping seat and a mounting part formed on a part main body of the vehicle body part. The installation part comprises a connecting bulge with a set drawing angle, the clamping seat comprises a plate body with a connecting hole, and the edge part of the connecting hole is provided with a clamping tooth capable of elastically deforming. The connecting bulge can be inserted into the connecting hole, and the tooth tip of each latch is extruded by the side part of the connecting bulge to be bent and abutted against the connecting bulge; the soundproof cotton is positioned on the mounting portion by a wearing device Kong Yuxian provided on the itself, and can be clamped between the component main body and the plate body. The installation structure of the soundproof cotton on the vehicle body part is simple and quick in assembly, simple and compact in structure, small in number of installation parts and small in weight, and therefore the installation scheme of the soundproof cotton on the vehicle body, which is compact in structure and beneficial to light weight design, is provided.

Description

Mounting structure of soundproof cotton on automobile body part and vehicle

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a mounting structure of soundproof cotton on a vehicle body part. In addition, the utility model also relates to a vehicle.

Background

While ensuring the performance of the automobile, the weight reduction of the automobile is always one of important subjects and development directions of automobile research and development and improvement. The self weight of the automobile is reduced, so that the acceleration performance of the automobile is improved, and the oil consumption is reduced; has important influence on the overall performance of the automobile.

In order to realize the light weight of automobiles, parts on many automobile models are increasingly manufactured by adopting composite materials such as carbon fibers, glass fibers and the like.

In the prior art, the parts made of the composite materials on the automobile are connected with the soundproof cotton in a screw connection mode. The whole connection structure mainly comprises a nut, soundproof cotton, a bolt and a vehicle body part, wherein the bolt is adhered to the vehicle body part made of composite materials, a bolt through hole is formed in the soundproof cotton, the soundproof cotton is attached to the vehicle body part, the bolt penetrates through the bolt through hole in the soundproof cotton, and the soundproof cotton is fixedly connected to the vehicle body part through the nut screwed to the bolt.

However, the above-mentioned existing connection structure has some disadvantages:

firstly, a large number of bolts are adopted at the connecting points, so that the cost and the weight of the whole vehicle are increased, and the weight reduction of the whole vehicle is not facilitated.

Secondly, a large number of nuts need to be rotated and screwed in the production and assembly process, the production efficiency is low, and the production beat of the whole vehicle is influenced.

In addition, the bolts and the composite material body parts are made of different materials, poor adhesion is easy to occur in adhesion between the bolts and the composite material body parts, the vehicle body vibrates frequently in a running state, the risk that the bolts are separated from the vehicle body parts is high, and abnormal sound of the vehicle or safety risk of the vehicle can be further caused.

Disclosure of Invention

In view of the above, the present utility model aims to provide a mounting structure of an acoustic insulator on a vehicle body member, so as to provide a mounting scheme of an acoustic insulator on a vehicle body, which is compact and contributes to a lightweight design.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

a mounting structure of soundproof cotton on a vehicle body part,

comprises a clamping seat and a mounting part formed on a part main body of the vehicle body part;

the mounting part comprises a connecting bulge with a set drawing angle, the clamping seat comprises a plate body with a connecting hole, and the edge part of the connecting hole is provided with a clamping tooth capable of elastically deforming;

the connecting hole is matched with the outline dimension of the connecting protrusion, the connecting protrusion can be inserted into the connecting hole along with the approach of the clamping seat to the component main body, and the tooth tip of each clamping tooth is extruded by the side part of the connecting protrusion to bend towards one side of the plate body, which is opposite to the component main body, and is abutted against the connecting protrusion; the soundproof cotton is located in advance on the mounting portion through a penetration hole provided on the soundproof cotton itself, and can be clamped between the component main body and the plate body.

Further, the mounting portion further includes a reinforcing base provided at the bottom of the connection protrusion, and the reinforcing base can be accommodated in the through-hole of the soundproof cotton mounted in place.

Further, the connecting protrusion is in a quadrangular frustum pyramid shape and is provided with a top surface, two limiting side surfaces and two connecting side surfaces which are oppositely arranged; the connecting hole is rectangular and is provided with two limiting side edges and two connecting side edges which are oppositely arranged; the clamping teeth are arranged on the two connecting side edges and are in butt connection with the connecting side surfaces; the limiting side edge is in butt fit with the limiting side face to limit the clamping seat.

Further, a plurality of latches are arranged on the two connecting side edges at intervals.

Further, the number of the latches arranged on the two connecting side edges is the same and corresponds to one.

Further, the side portions of the top surface and/or the side edges of the connecting protrusions are chamfered.

Further, the set draft angle of the connecting side face is 8-12 degrees.

Furthermore, the clamping seat is made of a metal material.

Further, the clamping seat further comprises a reinforcing flanging formed at the edge part of the plate body, and/or the plate body is provided with a lightening hole.

Compared with the prior art, the utility model has the following advantages:

according to the installation structure of the soundproof cotton on the automobile body part, the connecting bulge with a certain draft angle is formed on the part main body of the automobile body part, the penetrating hole is formed in advance in the soundproof cotton, the soundproof cotton is positioned on the part main body by inserting the connecting bulge into the penetrating hole, and then the clamping seat is sleeved on the connecting bulge to be pressed, so that the tooth tips of the clamping teeth can be bent and partially scratched into the surface of the connecting bulge, and the clamping seat is limited to be separated from the connecting bulge like a reverse hook, so that the soundproof cotton is fixed on the automobile body part; the whole installation only needs the installation piece of cassette, and the assembly is simple swift, and mounting structure is whole simple compact moreover, and the quantity of installation piece is few, weight is little to provide a compact structure, help the installation scheme of soundproof cotton on the automobile body of lightweight design.

In addition, the connecting protrusion is designed into a quadrangular frustum pyramid shape, and the connecting protrusion has the characteristics of being convenient to process and demolding due to structural specifications. Correspondingly, the connecting hole on the clamping seat is rectangular, so that the shape is standard, and the processing and the manufacturing are convenient. Through set up a plurality of latches on two relative connection sides correspondingly, can follow two connection sides of protruding both sides butt respectively, form the bellied state of centre gripping connection, the latch on two connection sides sets up in pairs, and every latch is like same pair of pawl, can firmly snap in the connection arch, prevents that the cassette from keeping away from the direction of part main part not hard up, has avoided the possibility that the cassette breaks away from to the reliable installation fastness of cassette has been ensured.

Another object of the utility model is to propose a vehicle having a body part made of composite material and provided with soundproof cotton; the soundproof cotton is arranged on the vehicle body part through the installation structure of the soundproof cotton on the vehicle body part.

The vehicle of the present utility model has the technical advantages of the above-described structure for attaching the soundproof cotton to the vehicle body member.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model, wherein the words of front and back, top and bottom, etc. are used to indicate relative position and are not intended to limit the utility model unduly. In the drawings:

FIG. 1 is a schematic view showing the overall assembly structure of a mounting structure of an soundproof cotton on a vehicle body member according to an embodiment of the present utility model;

FIG. 2 is an exploded view of the mounting structure shown in FIG. 1;

FIG. 3 is a schematic view of the overall structure of a card holder (before use) according to an embodiment of the utility model;

FIG. 4 is an enlarged view of a portion of the portion shown in FIG. 1A;

FIG. 5 is a top view of the mounting structure shown in FIG. 1;

FIG. 6 is a schematic cross-sectional view of the portion B-B in FIG. 5.

Reference numerals illustrate:

1. a component body; 2. a mounting part; 20. reinforcing the base; 21. a connection protrusion; 210. a top surface; 211. limit side surfaces; 212. a connecting side surface;

3. a clamping seat; 30. a plate body; 31. a connection hole; 32. limit side edges; 33. connecting the side edges; 330. latch teeth; 331. tooth tips; 34. a lightening hole; 35. reinforcing flanging;

4. soundproof cotton; 40. and (5) penetrating the hole.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be noted that, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "inner", "back", and the like are presented, they are based on the azimuth or the positional relationship shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The embodiment relates to a mounting structure of soundproof cotton on a vehicle body part, and provides a mounting scheme of the soundproof cotton 4 on the vehicle body, wherein the mounting structure is compact and contributes to light weight design; an exemplary configuration of which is shown in fig. 1 and 2.

The mounting structure includes a holder 3 and a mounting portion 2 formed on a component body 1 of a vehicle body component. Wherein the mounting part 2 comprises a connecting protrusion 21 with a set draft angle; the cartridge 3 comprises a plate body 30 provided with a connection hole 31. Furthermore, the edge of the connecting hole 31 is provided with a latch 330 which can be elastically deformed; the connecting hole 31 is arranged in a way of matching the outline dimension of the connecting protrusion 21, the connecting protrusion 21 can be inserted into the connecting hole 31 along with the approach of the clamping seat 3 to the component main body 1, and the tooth tips 331 of the clamping teeth 330 are extruded by the side parts of the connecting protrusion 21 to bend towards the side of the plate body 30, which is opposite to the component main body 1, and are abutted against the connecting protrusion 21; the soundproof cotton 4 is previously positioned on the mounting portion 2 through the penetration hole 40 provided on the itself, and can be clamped between the component main body 1 and the plate body 30.

It should be noted that the installation structure of the present embodiment may be applied to various scenes where the soundproof cotton 4 needs to be laid, and the foundation member to be laid soundproof cotton 4 may be the vehicle body member described in the present embodiment, or may be other devices, parts or portions on facilities. However, as a laying foundation of the soundproof cotton 4, it needs to be matched with the card holder 3 and can be scratched and embedded by the latch 330 on the card holder 3, and therefore, the material of the foundation should be slightly softer than that of the latch 330 of the card holder 3. For example, in the present embodiment, when the cartridge 3 is made of steel, the body member is suitably made of a composite material having a hardness lower than that of the steel, and the coupling projections 21 formed on the body member 1 of the body member may be pierced by the tooth tips 331 of the latch 330. In the following description, a vehicle body member is described as an example of a composite material product, and a vehicle body member made of a composite material such as carbon fiber or glass fiber is also advantageous in light weight design of the entire vehicle.

Specifically, in the present embodiment, the mounting portion 2 and the component main body 1 are integrally formed, wherein the mounting portion 2 includes the reinforcing base 20 provided at the bottom of the connecting projection 21 in addition to the connecting projection 21, and the reinforcing base 20 can be accommodated in the through-hole 40 of the soundproof cotton 4 mounted in place when the soundproof cotton 4 is laid on the component main body 1 and the connecting projection 21 penetrates the through-hole 40 of the soundproof cotton 4. The connection protrusion 21 is formed on the component main body 1, and the reinforcing base 20 is formed on the connection protrusion 21, so that the connection strength between the mounting portion 2 and the component main body 1 can be improved, and the mounting portion 2 is ensured to have enough firmness. The reinforcing base 20 is set to be smaller than the hole diameter of the through-hole 40, ensuring that the reinforcing base 20 is accommodated in the through-hole 40, and avoiding a gap between the soundproof cotton 4 and the component main body 1 in the peripheral region of the mounting portion 2 due to the presence of the reinforcing base 20.

The shape of the connection protrusion 21 may be selected from various shapes, for example, may be designed in a frustum shape, and accordingly, the connection hole 31 is designed in a circular hole shape, and the tooth tips 331 of the respective latches 330 are arranged in a circular direction of the connection hole 31.

In this embodiment, the connection protrusion 21 has a quadrangular frustum shape, and has a top surface 210 (i.e., an upper bottom surface of the quadrangular frustum), two limiting side surfaces 211 and two connection side surfaces 212 (i.e., four side surfaces of the quadrangular frustum) which are disposed opposite to each other. Correspondingly, the connecting hole 31 on the plate body 30 is rectangular and is provided with two limiting side edges 32 and two connecting side edges 33 which are oppositely arranged; the two connecting side edges 33 are provided with clamping teeth 330, and the clamping teeth 330 are in abutting connection with the connecting side surfaces 212; the limiting side 32 is in abutting fit with the limiting side 211 to limit the clamping seat 3.

The connecting protrusion 21 is designed into a quadrangular frustum pyramid shape, and has the characteristics of being convenient to process and demolding due to the standard structure. Correspondingly, the connecting hole 31 on the clamping seat 3 is rectangular and standard in shape, so that the processing and the manufacturing are convenient. At this moment, the two limiting sides 32 can limit the position of the card holder 3 in the direction perpendicular to the limiting sides 32, the latch 330 on the connecting side 33 abuts against the connecting side 212, the tooth tip 331 is pressed and bent by the connecting side 212 and is partially embedded into the connecting side 212, and the card holder 3 is fixedly connected to the connecting protrusion 21 in the form of inverted teeth. Obviously, the distance between the two limiting sides 211 and the distance between the latches 330 on the two connecting sides 212 should be set according to the size of the cross section of the middle part of the connecting protrusion 21, specifically the height position of the cross section on the connecting protrusion 21, should be reasonably set according to the thickness of the soundproof cotton 4, and can be reasonably determined according to practical situations by those skilled in the art.

As shown in fig. 3, in the present embodiment, a plurality of latches 330 are disposed at intervals on both connection sides 33 of the connection hole 31. Moreover, the number of latches 330 provided on the two connecting sides 33 is the same and corresponds one to one. Through set up a plurality of latches 330 correspondingly on two opposite connection sides 33, can follow the both sides of connecting protruding 21 respectively butt two connection sides 212, form the state of centre gripping connection protruding 21, the latch 330 on two connection sides 33 sets up in pairs, and each latch 330 is like a pair of pawl, can firmly snap in connection protruding 21, prevents that cassette 3 from becoming flexible towards the direction of keeping away from part main part 1, has avoided the possibility that cassette 3 breaks away from to the reliable installation fastness of cassette 3 has been ensured.

As shown in fig. 4, after the soundproof cotton 4 is laid in place on the component main body 1, the connecting hole 31 is aligned with the connecting protrusion 21, the card holder 3 is pressed toward the component main body 1, and as the middle bottom size of the connecting protrusion 21 becomes larger, the tooth tip 331 of the card tooth 330 hits the connecting side face 212 and is pressed by the connecting side face 212, and at this time, the tooth tip 331 is bent and deformed toward the top face 210. Because the latch 330 has elastic deformation property, the deformed tooth tip 331 will press against the connecting side 212 and penetrate into the connecting side 212 to form the fastening of the card holder 3 on the connecting protrusion 21, and the plate 30 also compresses the soundproof cotton 4.

Further, for the side, the edge, and the like of the connection protrusion 21, it is preferable that the side portions of the top surface 210 and the four side edges of the connection protrusion 21 are each provided with a chamfer. The chamfer structure is arranged at the edge part of the top surface 210, such as the side edge and the like on the connecting bulge 21, so that the edges and corners of the connecting bulge 21 can be prevented from scratching hands or surrounding parts, and the advantage of facilitating the demolding of the connecting bulge 21 is achieved.

The set draft angle of the connecting protrusion 21 can be flexibly valued in a reasonable range. As shown in fig. 5 and 6, in the present embodiment, the set draft angle of the connection side face 212 is 8 ° to 12 °. The setting draft angle of the connecting protrusion 21 is not set too large and is set between 8 degrees and 12 degrees, namely, injection molding and demolding of the mounting part 2 are facilitated, and the tooth tip 331 of the latch 330 is conveniently and deeply embedded into the connecting side 212 in the process of being extruded and bent by the connecting side 212 and elastically returning, so that sufficient connection firmness between the tooth tip 331 and the connecting protrusion 21 can be ensured. Preferably, as shown in fig. 6, the set draft angle α may be set to 10 °.

In addition, the card holder 3 is preferably made of a metal material. The clamping seat 3 is prepared by adopting metal, so that the clamping seat 3 is conveniently extruded and molded by adopting a plate, and the method has the characteristics of low cost and high processing efficiency; preferably, the clamping seat 3 is made of steel plates, so that the clamping teeth 330 and the tooth tip 331 of the clamping teeth have enough elastic deformation capability.

At the same time, reinforcing flanges 35 and lightening holes 34 can also be provided on the cartridge 3. Specifically, the clamping seat 3 comprises a reinforcing flange 35 formed at the edge of the plate body 30, and a plurality of weight reducing holes 34 positioned around the connecting hole 31 are formed on the plate body 30. The edge of the plate body 30 is provided with a reinforcing flanging 35, so that the overall structural strength of the clamping seat 3 can be improved; the weight-reducing holes 34 are provided in the plate 30, so that the weight of the card holder 3 can be further reduced while ensuring sufficient strength performance of the card holder 3, thereby improving the light weight design effect of the mounting structure.

As described above, in the mounting structure of the soundproof cotton of the present embodiment on the vehicle body member, the connecting protrusion 21 having a certain draft angle is formed on the member main body 1 of the vehicle body member, the through-hole 40 is formed in advance in the soundproof cotton 4, the soundproof cotton 4 is positioned on the member main body 1 by inserting the connecting protrusion 21 into the through-hole 40, and then the engaging seat 3 is engaged with the connecting protrusion 21 and pressed, so that the tooth tips 331 of the engaging teeth 330 are bent and partially cut into the surface of the connecting protrusion 21, and the engaging seat 3 is restricted from being disengaged from the connecting protrusion 21 like a barb, thereby fixing the soundproof cotton 4 to the vehicle body member; the whole installation only needs the installation piece of the clamping seat 3, the assembly is simple and quick, the whole installation structure is simple and compact, the number of the installation pieces is small, and the weight is small, so that the installation scheme of the soundproof cotton 4 on the vehicle body, which is compact in structure and favorable for light weight design, is provided.

Example two

The embodiment relates to a vehicle, which is provided with a vehicle body part made of composite materials and provided with soundproof cotton 4; meanwhile, the soundproof cotton 4 is provided on the vehicle body member by the mounting structure of the soundproof cotton on the vehicle body member provided in the first embodiment.

In the mounting structure of the soundproof cotton 4 of the present embodiment, the mounting portion 2 is integrally provided on the component main body 1 of the vehicle body component, and the lightweight requirement of the vehicle is achieved by utilizing the characteristics of low density and light weight of the composite material. The integrated forming process replaces the modes of adhesion, bolt connection and the like between the mounting part 2 and the component main body 1, effectively reduces the structural quality, reduces the cost and the weight of the whole vehicle, is more beneficial to the light weight of the whole vehicle, and improves the energy conservation and emission reduction level of the vehicle. Meanwhile, risks of falling off of the mounting structure and the like possibly caused by factors such as poor adhesion, driving vibration and the like are avoided, and NVH (Noise, vibration, harshness, noise, vibration and sound vibration roughness) performance and safety of the whole vehicle are improved.

During production, only the clamping seat 3 made of metal materials is needed to be independently manufactured, the clamping seat 3 is pressed and assembled on the connecting protrusion 21, the operation is simple, the production efficiency is high, and the production beat of the whole automobile can be greatly accelerated. The mounting structure can be used at different parts of the whole vehicle, and the metal clamping seat 3 has high universality and standardization degree by adopting unified structural standards, so that the cost of the whole vehicle can be effectively reduced, and the risk of workshop assembly errors is reduced; in addition, the installation structure is reasonable in design, simple in structure and convenient to install and maintain.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. The utility model provides a mounting structure of soundproof cotton on automobile body part which characterized in that:

comprises a clamping seat (3) and a mounting part (2) formed on a part main body (1) of the vehicle body part;

the mounting part (2) comprises a connecting protrusion (21) with a set drawing angle, the clamping seat (3) comprises a plate body (30) provided with a connecting hole (31), and the edge part of the connecting hole (31) is provided with a clamping tooth (330) capable of elastically deforming;

the connecting hole (31) is matched with the outline dimension of the connecting protrusion (21), the connecting protrusion (21) can be inserted into the connecting hole (31) along with the approach of the clamping seat (3) to the component main body (1), and the tooth tip (331) of each clamping tooth (330) is extruded by the side part of the connecting protrusion (21) to bend towards one side of the plate body (30) opposite to the component main body (1) and is abutted against the connecting protrusion (21);

the soundproof cotton (4) is previously positioned on the mounting portion (2) through a penetration hole (40) provided on the soundproof cotton itself, and can be clamped between the component main body (1) and the plate body (30).

2. The mounting structure of soundproof cotton on a vehicle body member according to claim 1, wherein:

the mounting part (2) further comprises a reinforcing base (20) arranged at the bottom of the connecting protrusion (21), and the reinforcing base (20) can be accommodated in the penetrating hole (40) of the soundproof cotton (4) in place.

3. The mounting structure of soundproof cotton on a vehicle body member according to claim 1, wherein:

the connecting protrusion (21) is in a quadrangular frustum pyramid shape and is provided with a top surface (210), two limiting side surfaces (211) and two connecting side surfaces (212) which are oppositely arranged; the connecting hole (31) is rectangular and is provided with two limiting side edges (32) and two connecting side edges (33) which are oppositely arranged;

the two connecting side edges (33) are provided with the clamping teeth (330), and the clamping teeth (330) are in abutting connection with the connecting side surfaces (212);

the limiting side edge (32) is in butt fit with the limiting side face (211) to limit the clamping seat (3).

4. A mounting structure of soundproof cotton on a vehicle body member according to claim 3, wherein:

a plurality of clamping teeth (330) are arranged on the two connecting side edges (33) at intervals.

5. The mounting structure of soundproof cotton on a vehicle body member according to claim 4, wherein:

the number of the latch teeth (330) arranged on the two connecting side edges (33) is the same and corresponds to one another.

6. A mounting structure of soundproof cotton on a vehicle body member according to claim 3, wherein:

the edges of the top surface (210) and/or the side edges of the connecting protrusions (21) are chamfered.

7. The mounting structure of soundproof cotton on a vehicle body member according to claim 1, wherein:

the set draft angle of the connecting side (212) is 8-12 degrees.

8. The mounting structure of the soundproof cotton on the vehicle body member according to any one of claims 1 to 7, wherein:

the clamping seat (3) is made of a metal material.

9. The mounting structure of soundproof cotton on a vehicle body member according to claim 8, wherein:

the clamping seat (3) further comprises a reinforcing flanging (35) formed at the edge part of the plate body (30), and/or a lightening hole (34) is formed in the plate body (30).

10. A vehicle having a body part made of a composite material and provided with soundproof cotton (4); the method is characterized in that:

the soundproof cotton (4) is provided on a vehicle body member by the mounting structure of the soundproof cotton on the vehicle body member according to any one of claims 1 to 9.

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