CN217022404U

CN217022404U - Soundproof cotton for automobile engine cover

Info

Publication number: CN217022404U
Application number: CN202220281648.0U
Authority: CN
Inventors: 汪静
Original assignee: Guangzhou Yingjie Auto Parts Co ltd
Current assignee: Guangzhou Yingjie Auto Parts Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-07-22
Anticipated expiration: 2032-02-11

Abstract

The utility model relates to sound insulation cotton for an automobile engine cover, which comprises the following components: soundproof cotton body, its characterized in that, soundproof cotton body is including the first connector, second connector, third connector and the fourth connector that connect gradually, first connector, second connector, third connector with the fourth connector encloses into a cavity, just first connector, second connector, third connector with the connected position in proper order of fourth connector all is equipped with the mounting hole, the mounting hole is used for being connected with the car cover. The utility model has simple structure, convenient installation or disassembly and good stability; and the connection of the first connector, the second connector, the third connector and the fourth connector adopts integral connection, so that the sound insulation cotton has good overall strength and avoids deformation and damage.

Description

Soundproof cotton for automobile engine cover

Technical Field

The utility model relates to the technical field of soundproof cotton, in particular to soundproof cotton for an automobile engine cover.

Background

The automobile sound insulation is to finely process noise generated by an automobile engine, vibration resonance sound generated by tires and the ground, friction sound of components in a carriage due to gaps or aging extrusion force and the like according to the performance of the automobile, corresponding road conditions and the like so as to improve the riding comfort of the automobile.

However, the existing soundproof cotton for the automobile cover has some defects in the using process, is simply adhered and fixed, has low stability, poor strength and single function, and is easy to deform and damage, so that the requirement of a user cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems or at least partially solve the above technical problems, the present application provides an automobile hood soundproof cotton.

The application provides a car cover soundproof cotton includes: soundproof cotton body, its characterized in that, soundproof cotton body is including the first connector, second connector, third connector and the fourth connector that connect gradually, first connector, second connector, third connector with the fourth connector encloses into a cavity, just first connector, second connector, third connector with the connected position in proper order of fourth connector all is equipped with the mounting hole, the mounting hole is used for being connected with the car cover.

Preferably, the first connecting body comprises a first connecting arm and a second connecting arm, an included angle is formed between the first connecting arm and the second connecting arm, and the included angle ranges from 60 ° to 80 °.

Preferably, the diameter of the mounting hole ranges from 20mm to 24 mm.

Preferably, first connector, second connector, third connector and fourth connector all include the puigging and set up the cotton sound absorbing layer in puigging both sides, the puigging with be equipped with between the sound absorbing layer and glue glutinous layer, the through-hole is located to sound absorbing layer inside, the both ends of through-hole with glue the surface on glutinous layer and contact.

Preferably, the middle part of the through hole is provided with sound absorption cotton.

Preferably, the aperture value of the through hole is 2 mm-3 mm.

Preferably, the outer surface of the sound absorption layer is provided with a flame-retardant layer, the lower surface of the flame-retardant layer is provided with a back adhesive, and the outer surface of the sound absorption layer is provided with a groove matched with the back adhesive, so that the flame-retardant layer is attached to the sound absorption layer.

Preferably, the flame-retardant layer is made of foamed rubber, and the thickness of the flame-retardant layer is 2-4 mm.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

the soundproof cotton body is composed of a first connector, a second connector, a third connector and a fourth connector which are connected in sequence, and mounting holes are formed in the joints of the first connector, the second connector, the third connector and the fourth connector, so that when the soundproof cotton is mounted on a car cover, the soundproof cotton can be mounted only by penetrating the mounting holes through bolts or screws, and the soundproof cotton is simple in structure, convenient to mount or dismount and good in stability; and the connection of the first connector, the second connector, the third connector and the fourth connector adopts integral connection, so that the sound insulation cotton has good overall strength and avoids deformation and damage.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

In the drawings:

FIG. 1 is a schematic structural view of the soundproof cotton for the vehicle hood of the present invention;

FIG. 2 is a schematic view of a first coupler in soundproof cotton for a vehicle hood according to the utility model;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

reference numerals: 1. a soundproof cotton body; 11. a first connecting body; 111. a first connecting arm; 112. a second connecting arm; 12. a second connector; 121. a sound insulating layer; 122. a sound absorbing layer; 123. a sticky layer; 124. A flame retardant layer; 125. a through hole; 126. sound-absorbing cotton; 127. back gluing; 128. a groove; 13. a third connecting body; 14. a fourth connecting body;

Detailed Description

For a more clear understanding of the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. In the following description, it is to be understood that the orientations and positional relationships indicated by the terms "front", "rear", "upper", "lower", "left", "right", "longitudinal", "lateral", "vertical", "horizontal", "top", "bottom", "inner", "outer", "leading", "trailing", and the like are configured and operated in specific orientations based on the orientations and positional relationships shown in the drawings, and are only for convenience of description of the present technical solution, but do not indicate that the device or element referred to must have a specific orientation, and thus, cannot be construed as limiting the present invention.

It should also be noted that, unless expressly specified or limited otherwise, the terms "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and encompass, for example, fixed connections as well as removable connections or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or intervening elements may also be present. The terms "first", "second", "third", etc. are merely for convenience in describing the present technical solution and are not to be construed as indicating or implying any relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", etc. may explicitly or implicitly include one or more of such features. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the utility model. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.

As shown in fig. 1 to 3, in a first embodiment of the soundproof cotton for vehicle hoods of the present invention, the soundproof cotton for vehicle hoods comprises: soundproof cotton body 1, soundproof cotton body 1 is including the first connector 11 that connects gradually, second connector 12, third connector 13 and fourth connector 14, first connector 11, second connector 12, third connector 13 and fourth connector 14 enclose into a cavity, and first connector 11, second connector 12, the connected position in proper order of third connector 13 and fourth connector 14 all is equipped with the mounting hole, the mounting hole is used for being connected with the car cover, and first connector 11 includes first linking arm 111 and second linking arm 112, be formed with the contained angle between first linking arm 111 and the second linking arm 112, the scope value of contained angle is between 60 ~ 80.

In the technical scheme of the application, the soundproof cotton body 1 is composed of a first connecting body 11, a second connecting body 12, a third connecting body 13 and a fourth connecting body 14 which are sequentially connected, and mounting holes are formed in the joints of the first connecting body, the second connecting body, the third connecting body and the fourth connecting body, so that when the soundproof cotton is mounted on a car cover, the soundproof cotton can be mounted only by penetrating the mounting holes through bolts or screws, and the soundproof cotton has the advantages of simple structure, convenience in mounting or dismounting and good stability; and the first connector 11, the second connector 12, the third connector 13 and the fourth connector 14 are connected in an integrated manner, so that the sound insulation cotton has good overall strength, and deformation and damage are avoided. In addition, the included angle range value formed between the first connecting body 11 and the second fourth connecting body is between 60 degrees and 80 degrees, and when the included angle range value is larger than or smaller than the included angle range value, the integral strength of the soundproof cotton body 1 is poor, and deformation and damage are easily caused.

In one embodiment, the diameter of the mounting hole ranges from 20mm to 24 mm. It should be noted that the diameter of the mounting hole is set between 20 mm-24 mm, which not only ensures the convenience of installation, but also avoids the damage of soundproof cotton caused by the effect of screw or bolt in the installation process.

In one embodiment, each of the first connecting body 11, the second connecting body 12, the third connecting body 13, and the fourth connecting body 14 includes a sound insulation layer 121 and a sound absorption layer 122 disposed on both sides of the sound insulation layer 121, an adhesive layer 123 is disposed between the sound insulation layer 121 and the sound absorption layer 122, a through hole 125 is disposed inside the sound absorption layer 122, both ends of the through hole 125 contact with a surface of the adhesive layer 123, and a sound absorption cotton 126 is disposed in a middle portion of the through hole 125.

In the technical scheme of this embodiment, first connector 11, second connector 12, third connector 13 and fourth connector 14 all comprise puigging 121 and sound-absorbing layer 122, sound-absorbing layer 122 is connected on puigging 121 with a gluing layer 123, set up through-hole 125 inside sound-absorbing layer 122 simultaneously, and set up sound-absorbing cotton 126 in the middle part of through-hole 125, make the noise that automobile engine produced absorb by sound-absorbing layer 122, the absorbed noise penetrates to the inside through-hole 125 of sound-absorbing layer 122, further absorb by sound-absorbing cotton 126 in the through-hole 125, thereby reach the effect of making an uproar.

In one embodiment, the aperture of the through-hole 125 is 2mm to 3mm inclusive.

In one embodiment, the outer surface of the sound absorption layer 122 is provided with a flame retardant layer 124, the lower surface of the flame retardant layer 124 is provided with a back adhesive 127, and the outer surface of the sound absorption layer 122 is provided with a groove 128 matched with the back adhesive 127, so that the flame retardant layer 124 is attached to the sound absorption layer 122.

The flame-retardant layer 124 is made of foamed rubber, and the thickness of the flame-retardant layer 124 is 2 mm-4 mm.

In the technical scheme of this embodiment, the gum 127 arranged on the lower surface of the flame retardant layer 124 extends into the groove 128 on the outer surface of the sound absorbing layer 122 for adhesion, so that the flame retardant layer 124 is firmly connected to the outer surface of the sound absorbing layer 122, and the arrangement of the flame retardant layer 124 can effectively avoid the burning of soundproof cotton caused by the overhigh temperature of the engine, which is easy to cause unnecessary danger.

It should be understood that the above examples only represent the preferred embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. An automobile hood soundproof cotton comprising: soundproof cotton body, its characterized in that, soundproof cotton body is including the first connector, second connector, third connector and the fourth connector that connect gradually, first connector, second connector, third connector with the fourth connector encloses into a cavity, just first connector, second connector, third connector with the connected position in proper order of fourth connector all is equipped with the mounting hole, the mounting hole is used for being connected with the car cover.

2. The soundproof cotton for a vehicle hood as set forth in claim 1, wherein said first connecting body includes a first connecting arm and a second connecting arm, and an included angle is formed between said first connecting arm and said second connecting arm, and said included angle has a value in the range of 60 ° to 80 °.

3. The soundproof cotton for vehicle covers according to claim 1, wherein the diameter of said mounting hole ranges from 20mm to 24 mm.

4. The automobile cover soundproof cotton of claim 1, wherein the first connecting body, the second connecting body, the third connecting body and the fourth connecting body each comprise a soundproof layer and a sound absorbing layer disposed on both sides of the soundproof layer, a sticky layer is disposed between the soundproof layer and the sound absorbing layer, a through hole is disposed inside the sound absorbing layer, and both ends of the through hole are in contact with the surface of the sticky layer.

5. The soundproof cotton for vehicle hoods as claimed in claim 4, wherein sound-absorbing cotton is provided in the middle of the through holes.

6. The soundproof cotton for vehicle hoods according to claim 4, characterized in that the aperture of the through-hole is 2mm to 3mm inclusive.

7. The soundproof cotton for the vehicle hood as set forth in claim 4, wherein a flame retardant layer is provided on the outer surface of the sound absorption layer, a back adhesive is provided on the lower surface of the flame retardant layer, and a groove adapted to the back adhesive is provided on the outer surface of the sound absorption layer, so that the flame retardant layer is adhered to the sound absorption layer.

8. The soundproof cotton for the vehicle hood according to claim 7, wherein the flame retardant layer is made of foamed rubber, and the thickness of the flame retardant layer is 2mm to 4 mm.