CN213450549U

CN213450549U - Muffler that fire resistance is strong for car

Info

Publication number: CN213450549U
Application number: CN202022076112.9U
Authority: CN
Inventors: 杨水红
Original assignee: 杨水红
Current assignee: Dalian Shengyuan Machinery Co.,Ltd.
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-06-15
Anticipated expiration: 2030-09-21

Abstract

The utility model discloses a muffler for car that fire resistance is strong, including amortization pad body, amortization pad body includes the basic unit, the fixed surface of basic unit is connected with the buffer layer, the fixed surface of buffer layer is connected with the sound absorbing layer, the fixed surface of sound absorbing layer is connected with first fire-retardant layer, the fixed surface of first fire-retardant layer is connected with the fire-retardant layer of second, the fixed surface on the fire-retardant layer of second is connected with the flame retardant coating, the sound absorbing layer includes foamed plastic layer, foamed plastic layer's fixed surface is connected with first filling layer. The utility model discloses a set up amortization pad body, basic unit, buffer layer, sound absorbing layer, first fire-retardant layer, the fire-retardant layer of second, flame retardant coating, foamed plastic layer, first filling layer and second filling layer, can improve the syllable-dividing of amortization pad and fire prevention fire behaviour, solved the lower problem of muffler practicality for the current car, this muffler for the car possesses the advantage that the practicality is high, is worth promoting.

Description

Muffler that fire resistance is strong for car

Technical Field

The utility model relates to an auto-parts technical field specifically is a muffler for car that fire resistance is strong.

Background

Auto-parts constitute each unit of car holistic and serve a product of car, auto-parts's a great variety, along with people's improvement of standard of living, people are also more and more to the consumption of car, this market of auto-parts becomes also bigger and more, auto-parts manufacture factory also develops at the very fast speed in recent years, the amortization equipment that commonly uses on the car at present is exactly the amortization pad, but current amortization pad practicality is lower, do not have fine fire-retardant and amortization performance of fire prevention, the practicality of car amortization equipment has been reduced, be unfavorable for using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a muffler for car that fire resistance is strong possesses the high advantage of practicality, has solved the lower problem of muffler practicality for current car.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a muffler for car that fire resistance is strong, includes the amortization pad body, the amortization pad body includes the basic unit, the fixed surface of basic unit is connected with the buffer layer, the fixed surface of buffer layer is connected with the sound absorbing layer, the fixed surface of sound absorbing layer is connected with first fire-retardant layer, the fixed surface of first fire-retardant layer is connected with the fire-retardant layer of second, the fixed surface on the fire-retardant layer of second is connected with the flame retardant coating, the sound absorbing layer includes foam plastic layer, foam plastic layer's fixed surface is connected with first filling layer, the fixed surface of first filling layer is connected with the second filling layer.

Preferably, the material of basic unit adopts the EVA material to make, the material of shock attenuation layer adopts the silica gel material to make.

Preferably, the first flame-retardant layer is made of flame-retardant polyamide, and the second flame-retardant layer is made of brominated polystyrene.

Preferably, the fireproof layer is made of a ceramic silicon rubber material, and the foam plastic layer is made of foam plastic.

Preferably, the first filling layer is made of glass fiber, and the second filling layer is made of polyester sound-absorbing cotton.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up amortization pad body, basic unit, buffer layer, sound absorbing layer, first fire-retardant layer, the fire-retardant layer of second, flame retardant coating, foamed plastic layer, first filling layer and second filling layer, can improve the syllable-dividing of amortization pad and fire prevention fire behaviour, solved the lower problem of muffler practicality for the current car, this muffler for the car possesses the advantage that the practicality is high, is worth promoting.

2. The utility model discloses a set up the basic unit, EVA material itself just can play certain syllable-dividing effect, improve the sound insulation performance of amortization pad, through setting up the buffer layer, the silica gel material can play the shock attenuation effect of resistance to compression, improve the shock attenuation performance of amortization pad, through setting up foamed plastic layer, first filling layer and second filling layer, foamed plastic, glass fiber and polyester sound-absorbing cotton can play the effect of sound absorption, improve the amortization performance of amortization pad, simultaneously glass fiber can also play the effect of fire prevention, through setting up first fire-retardant layer, fire-retardant polyamide can play fire-retardant effect, improve the fire behaviour of amortization pad, through setting up the second fire-retardant layer, brominated polystyrene has good mechanical physics and chemical properties such as high resistance, thermal stability and light stability, can improve the fire-retardant property of amortization pad, through setting up the flame retardant coating, the ceramic silicon rubber material is a novel high-molecular refractory material, has excellent characteristics of fire resistance, flame retardance, low smoke, no toxicity and the like, and can further improve the fire resistance and the flame retardance of the silencing pad.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the noise damping pad of the present invention;

fig. 3 is a schematic view of the structure of the sound absorbing layer of the present invention.

In the figure: 1. a sound attenuation pad body; 2. a base layer; 3. a shock-absorbing layer; 4. a sound absorbing layer; 5. a first flame retardant layer; 6. a second flame retardant layer; 7. a fire barrier layer; 8. a foam plastic layer; 9. a first filling layer; 10. and a second filling layer.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, a muffler for an automobile with strong flame retardancy comprises a muffler pad body 1, wherein the muffler pad body 1 comprises a base layer 2, a damping layer 3 is fixedly connected to the surface of the base layer 2, a sound absorbing layer 4 is fixedly connected to the surface of the damping layer 3, a first flame retardant layer 5 is fixedly connected to the surface of the sound absorbing layer 4, a second flame retardant layer 6 is fixedly connected to the surface of the first flame retardant layer 5, a fire retardant layer 7 is fixedly connected to the surface of the second flame retardant layer 6, the sound absorbing layer 4 comprises a foam plastic layer 8, a first filling layer 9 is fixedly connected to the surface of the foam plastic layer 8, a second filling layer 10 is fixedly connected to the surface of the first filling layer 9, the base layer 2 is made of EVA material, the damping layer 3 is made of silica gel material, the first flame retardant layer 5 is made of flame retardant polyamide, the second flame retardant layer 6 is made of brominated polystyrene, the material of flame retardant coating 7 adopts the ceramic silicon rubber material to make, the material of foamed plastic layer 8 adopts foamed plastic to make, the material of first filling layer 9 adopts glass fiber to make, the material of second filling layer 10 adopts polyester to inhale the sound cotton and makes, through setting up basic unit 2, EVA material itself just can play certain syllable-dividing effect, improve the sound-insulating properties of amortization pad, through setting up buffer layer 3, the silica gel material can play the effect of resistance to compression shock, improve the resistance to compression shock attenuation properties of amortization pad, through setting up foamed plastic layer 8, first filling layer 9 and second filling layer 10, foamed plastic, glass fiber and polyester inhale the sound cotton and can play the effect of inhaling the sound, improve the sound-deadening properties of amortization pad, simultaneously glass fiber can also play the effect of preventing fires, through setting up first flame retardant coating 5, fire-retardant polyamide can play fire-retardant effect, improve the flame retardant properties of amortization pad, through setting up the fire-retardant layer of second 6, brominated polystyrene has high fire-retardant nature, good mechanical physics and chemical properties such as thermal stability and light stability, can improve the fire behaviour of amortization pad, through setting up flame retardant coating 7, pottery silicon rubber material is a novel polymer refractory material, there is splendid fire prevention, fire-retardant, low smoke, characteristics such as nontoxic, can further increase the fire prevention and the fire behaviour of amortization pad, through setting up amortization pad body 1, basic unit 2, buffer layer 3, inhale sound layer 4, first fire-retardant layer 5, the fire-retardant layer of second 6, flame retardant coating 7, foam plastic layer 8, first filling layer 9 and second filling layer 10, can improve the syllable-dividing and fire-retardant behaviour of amortization pad, the lower problem of current muffler practicality for the car has been solved, this muffler for the car, possess the high advantage of practicality, be worth promoting.

When the flame-retardant sound-absorbing pad is used, the EVA material in the base layer 2 can play a certain sound-insulating role, the sound-insulating property of the sound-absorbing pad is improved, the silica gel material in the shock-absorbing layer 3 can play a role in compression resistance and shock absorption, the compression resistance and shock absorption of the sound-absorbing pad are improved, the foam plastic, the glass fiber and the polyester sound-absorbing cotton in the foam plastic layer 8, the first filling layer 9 and the second filling layer 10 can play a role in sound absorption, the sound-absorbing property of the sound-absorbing pad is improved, meanwhile, the glass fiber can also play a role in fire prevention, the flame-retardant polyamide in the first flame-retardant layer 5 can play a role in flame retardance, the flame-retardant property of the sound-absorbing pad is improved, the brominated polystyrene in the second flame-retardant layer 6 has good mechanical physical and chemical properties such as high flame retardance, thermal stability, light stability and the like, the flame-retardant property of the sound-absorbing pad can be further improved, the, the sound-absorbing pad has the characteristics of excellent fire resistance, flame retardance, low smoke, no toxicity and the like, and can improve the fire resistance and the flame retardance of the sound-absorbing pad.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a muffler for car that fire resistance is strong, includes amortization pad body (1), its characterized in that: the noise reduction pad body (1) comprises a base layer (2), the fixed surface of base layer (2) is connected with buffer layer (3), the fixed surface of buffer layer (3) is connected with sound absorbing layer (4), the fixed surface of sound absorbing layer (4) is connected with first fire-retardant layer (5), the fixed surface of first fire-retardant layer (5) is connected with the fire-retardant layer of second (6), the fixed surface of the fire-retardant layer of second (6) is connected with flame retardant coating (7), sound absorbing layer (4) includes foam plastic layer (8), the fixed surface of foam plastic layer (8) is connected with first filling layer (9), the fixed surface of first filling layer (9) is connected with second filling layer (10).

2. The muffler for automobile according to claim 1, wherein: the material of basic unit (2) adopts the EVA material to make, the material of buffer layer (3) adopts the silica gel material to make.

3. The muffler for automobile according to claim 1, wherein: the first flame-retardant layer (5) is made of flame-retardant polyamide, and the second flame-retardant layer (6) is made of brominated polystyrene.

4. The muffler for automobile according to claim 1, wherein: the fireproof layer (7) is made of ceramic silicon rubber materials, and the foam plastic layer (8) is made of foam plastic.

5. The muffler for automobile according to claim 1, wherein: the material of first filling layer (9) adopts glass fiber to make, the material of second filling layer (10) adopts polyester to inhale the sound cotton and make.