CN217835232U

CN217835232U - Sound-insulation noise-reduction glass fiber board for automobile trunk decorative wheel cover

Info

Publication number: CN217835232U
Application number: CN202221235158.3U
Authority: CN
Inventors: 季亚平; 季翔; 徐秀萍
Original assignee: Jiangsu Langtian Composite Materials Co ltd
Current assignee: Jiangsu Langtian Composite Materials Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-11-18
Anticipated expiration: 2032-05-20

Abstract

The utility model is suitable for a glass fiber board technical field provides a car trunk that gives sound insulation and falls glass fiber board for decorative wheel casing of making an uproar, including glass fiber board, the lower surface of glass fiber board bonds and has the puigging that is used for falling the noise, and the lower surface of puigging bonds and has the insulating layer, and the lower surface of insulating layer bonds and has the protective layer that protects interior material, and the lower surface of protective layer scribbles the waterproof layer; the sound insulation layer consists of a sound absorption layer adopting a polyester fiber sound absorption plate and a damping material layer adopting water-based damping paint, the polyester fiber sound absorption plate has a good effect of relieving high-frequency high-decibel noise, and the principle of the water-based damping paint is that vibration mechanical energy is converted into heat energy to be dissipated, namely vibration and noise are effectively controlled from a sound (vibration) source, so that the noise reduction effect of the glass fiber plate is further improved; the polyimide film can separate heat outside the film, and the EPP foam board utilizes the pores contained in the EPP foam board to insulate heat, so that the high-temperature resistant effect of the glass fiber board is ensured.

Description

Sound-insulation noise-reduction glass fiber board for automobile trunk decorative wheel cover

Technical Field

The utility model belongs to the technical field of the glass fiber board material, especially, relate to a car trunk that gives sound insulation and falls make an uproar decorates wheel casing and uses glass fiber board material.

Background

In order to ensure that each tire has a certain rotation space so as to enable the automobile to normally run, a wheel cover capable of enveloping the upper part of the tire is usually fixed on the automobile corresponding to the inner side of each tire, and a mudguard and a lining plate made of plastic materials are arranged at the lower part of the enveloping area on the wheel cover, so that relevant parts on the automobile body act on the wheel cover to prevent the relevant parts from contacting with the tire. In order to improve the interior appearance of the vehicle, a wheel cover decorative plate is generally provided on the inner side of a sheet metal wheel cover of a rear wheel of the vehicle, and the wheel cover decorative plate is also used to form a trunk behind the vehicle.

Glass fiber board is named as follows: the glass fiber heat insulation board, the glass fiber board and the glass fiber composite board are synthesized by glass fiber materials and high-heat-resistance composite materials, do not contain asbestos components harmful to human bodies, have high mechanical property and dielectric property, good heat resistance and moisture resistance and good processability, are used for plastic molds, injection molds, machine manufacturing, forming machines, drilling machines, injection molding machines, motors, PCB.ICT jigs and table-board grinding base plates, and the injection molds are formed by generally requiring a high-temperature material and a low-temperature mold, and under the condition of the same machine, a heat insulation method must be adopted to keep the low temperature of an injection mold and simultaneously prevent the temperature of the injection molding machine from being too high, and the requirement can be met by installing an insulation board between the injection mold and the injection machine, so that the production cycle is shortened, the production efficiency is improved, the energy consumption is reduced, the quality of finished products is improved, the continuous production process ensures the stable product quality, prevents the machine from overheating and the machine from having no electric appliance fault, and a hydraulic system does not have oil leakage.

The existing glass fiber board for the automobile trunk decorative wheel cover has poor noise reduction performance, influences the overall comfort of users, has limited heat insulation range of the common glass fiber board, and is easy to damage the fiber structure inside the glass fiber board if being in a high-temperature environment for a long time, so that the sound insulation effect of the glass fiber board is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a give sound insulation and fall car trunk that makes an uproar decorates wheel casing and uses glass fiber board aims at solving the problem mentioned in the above-mentioned background art.

The utility model discloses a realize like this, a car trunk that gives sound insulation and falls make an uproar decorates wheel casing and uses glass fiber board, including glass fiber board, glass fiber board's lower surface bonds and has the puigging that is used for making an uproar to fall, the lower surface of puigging bonds and has the insulating layer that has high temperature resistant and thermal-insulated effect, the lower surface of insulating layer bonds and has the protective layer that protects interior material, the lower surface of protective layer scribbles and is used for waterproof layer.

Preferably, the glass fiber board comprises a glass fiber layer and a composite material layer, wherein the composite material layer is bonded to the lower surface of the glass fiber layer.

Preferably, the sound insulation layer comprises a sound absorption layer and a damping material layer, the sound absorption layer is bonded to the lower surface of the composite material layer, and the damping material layer is bonded to the lower surface of the sound absorption layer.

Preferably, the sound absorption layer is a polyester fiber sound absorption plate, and the damping material layer is water-based damping paint.

Preferably, the thermal insulation layer comprises a heat reflection material layer and a porous material layer, the heat reflection material layer is adhered to the lower surface of the damping material layer, and the porous material layer is adhered to the lower surface of the heat reflection material layer.

Preferably, the heat reflection material layer adopts a polyimide film, and the porous material layer adopts an EPP foam board.

Preferably, the protective layer includes an adhesive layer and an artificial leather layer adhered to the lower surface of the porous material layer by the adhesive layer.

Preferably, the adhesive layer is made of polyurethane adhesive, and the artificial leather layer is made of polyurethane synthetic leather.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a car boots decorate wheel casing and use glass fiber board that gives sound insulation and fall noise, the puigging comprises the sound absorbing layer that adopts polyester fiber abatvoix and the damping material layer that adopts waterborne damping coating, and polyester fiber abatvoix has fine alleviating effect to high-frequency high decibel noise, and the principle of waterborne damping coating is to turn into the vibration mechanical energy and lose heat energy dissipation, controls vibration and noise effectively from the sound (shake) source promptly, further improves the noise reduction effect of glass fiber board;

the heat insulation layer consists of a heat reflection material layer adopting a polyimide film and a porous material layer adopting an EPP (expanded polypropylene) foam board, the polyimide film can isolate heat outside the film, and the EPP foam board utilizes pores contained in the EPP foam board to insulate heat, so that the high-temperature resistant effect of the glass fiber board is ensured;

the protective layer is composed of a bonding layer adopting a polyurethane adhesive and an artificial leather layer adopting polyurethane synthetic leather, has excellent shear strength, impact resistance and chemical bonding force, ensures that the polyurethane synthetic leather can be well bonded with the thermal insulation layer, has the characteristics of abrasion resistance, bending resistance, ageing resistance and the like, and can effectively protect internal materials.

Drawings

Fig. 1 is a schematic sectional structure of the present invention;

fig. 2 is a schematic cross-sectional structure diagram of the middle glass fiber plate of the present invention;

FIG. 3 is a schematic cross-sectional view of the sound insulation layer of the present invention;

FIG. 4 is a schematic cross-sectional view of the thermal insulating layer of the present invention;

FIG. 5 is a schematic cross-sectional view of a protective layer according to the present invention;

in the figure: 1. a glass fiber plate; 11. a glass fiber layer; 12. a composite material layer; 2. a sound insulating layer; 21. a sound absorbing layer; 22. a damping material layer; 3. a thermal insulation layer; 31. a layer of heat reflective material; 32. a layer of porous material; 4. a protective layer; 41. an adhesive layer; 42. a layer of artificial leather; 5. and a waterproof layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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 invention and are not intended to limit the invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a car trunk that gives sound insulation and falls and make an uproar decorates glass fiber board for wheel casing, includes glass fiber board 1, and glass fiber board 1's lower surface bonds and has the puigging 2 that is used for making an uproar to fall, and the lower surface of puigging 2 bonds and has the insulating layer 3 that has high temperature resistant and heat insulation effect, and the lower surface of insulating layer 3 bonds and has the protective layer 4 that protects the inside material, and the lower surface of protective layer 4 scribbles and is used for waterproof layer 5.

The waterproof layer 5 is acrylic waterproof paint which is a single-component water emulsion type waterproof paint prepared by taking pure acrylic polymer emulsion as a base material and adding other additives. The waterproof film formed by curing the waterproof coating has certain extensibility, elastoplasticity, crack resistance, impermeability and weather resistance, and can play roles in waterproofing, seepage prevention and protection.

Further, the glass fiber plate 1 comprises a glass fiber layer 11 and a composite material layer 12, wherein the composite material layer 12 is adhered to the lower surface of the glass fiber layer 11.

The glass fiber board 1 is synthesized by glass fiber materials and high-heat-resistance composite materials, and does not contain asbestos components harmful to human bodies.

Specifically, the sound insulation layer 2 includes a sound absorption layer 21 and a damping material layer 22, the sound absorption layer 21 is bonded to the lower surface of the composite material layer 12, and the damping material layer 22 is bonded to the lower surface of the sound absorption layer 21.

Typically, the sound absorbing layer 21 is a polyester fiber sound absorbing panel and the damping material layer 22 is an aqueous damping paint.

The polyester fiber sound absorption board is also called glass wool, is a material which is prepared by taking polyester fiber as a raw material through hot press molding and has the sound absorption function, and has a good effect of relieving high-frequency high-decibel noise.

The water-based damping paint comprises functional emulsion, damping pigment and filler, a flame retardant, an auxiliary agent and the like. Unlike sound absorbing material, it is one kind of active noise reducing material and has the principle of converting mechanical vibration energy into heat energy for dissipation, i.e. controlling vibration and noise effectively from sound source.

In addition, the thermal insulation layer 3 includes a heat reflection material layer 31 and a porous material layer 32, the heat reflection material layer 31 is adhered to the lower surface of the damping material layer 22, and the porous material layer 32 is adhered to the lower surface of the heat reflection material layer 31.

Further, a polyimide film is used for the heat reflective material layer 31, and an EPP foam sheet is used for the porous material layer 32.

The polyimide film has high reflection coefficient, and can reflect heat out and block the heat outside the film.

The porous material layer 32 is insulated by the pores contained in the material itself because the thermal conductivity of the air or inert gas in the pores is low.

The EPP foamed plate has the characteristics of light weight, heat insulation, sound insulation, buffering, high strength, low price and the like.

Further, the protective layer 4 includes an adhesive layer 41 and an artificial leather layer 42, and the artificial leather layer 42 is adhered to the lower surface of the porous material layer 32 by the adhesive layer 41.

The adhesive layer 41 is made of polyurethane adhesive, and the artificial leather layer 42 is made of polyurethane synthetic leather.

The outer surface of the artificial leather layer 42 is coated with a layer of waterproof coating to ensure waterproofness.

The polyurethane adhesive has excellent shear strength and impact resistance, is suitable for various structural adhesion fields, has excellent flexibility and excellent rubber property, can adapt to adhesion of base materials with different thermal expansion coefficients, forms a soft-hard transition layer between the base materials, has strong adhesion force and also has excellent buffering and shock absorption functions.

The polyurethane synthetic leather belongs to the class of polyurethane elastomers, has the appearance of soft and natural luster, soft hand feeling and strong real leather feeling, has excellent mechanical properties such as excellent bonding property with a base material, abrasion resistance, flexure resistance, aging resistance and the like, and also has the advantages of good cold resistance, ventilation, washability, convenient processing, excellent price and the like.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a car trunk that gives sound insulation and falls make an uproar decorates glass fiber board for wheel casing which characterized in that: including glass fiber board material (1), the lower surface of glass fiber board material (1) bonds and has the puigging (2) that are used for making an uproar that falls, the lower surface of puigging (2) bonds and has insulating layer (3) that have high temperature resistant and thermal-insulated effect, the lower surface of insulating layer (3) bonds and has protective layer (4) of protecting to the inside material, the lower surface of protective layer (4) scribbles and is used for waterproof layer (5).

2. The sound-insulating and noise-reducing glass fiber board for the decorative wheel cover of the automobile trunk, which is disclosed by claim 1, is characterized in that: the glass fiber plate (1) comprises a glass fiber layer (11) and a composite material layer (12), wherein the composite material layer (12) is bonded to the lower surface of the glass fiber layer (11).

3. The sound-insulating and noise-reducing glass fiber board for the decorative wheel cover of the automobile trunk, which is disclosed by claim 2, is characterized in that: the puigging (2) are including sound absorbing layer (21) and damping material layer (22), sound absorbing layer (21) bond in the lower surface of combined material layer (12), damping material layer (22) bond in the lower surface of sound absorbing layer (21).

4. The sound-insulating and noise-reducing glass fiber board for the decorative wheel cover of the automobile trunk, which is disclosed by claim 3, is characterized in that: the sound absorption layer (21) is a polyester fiber sound absorption plate, and the damping material layer (22) is water-based damping paint.

5. The sound-insulating and noise-reducing glass fiber board for the decorative wheel cover of the automobile trunk, which is disclosed by claim 3, is characterized in that: the heat insulation layer (3) comprises a heat reflection material layer (31) and a porous material layer (32), the heat reflection material layer (31) is bonded to the lower surface of the damping material layer (22), and the porous material layer (32) is bonded to the lower surface of the heat reflection material layer (31).

6. The sound-insulating and noise-reducing glass fiber board for the decorative wheel cover of the automobile trunk, which is disclosed by claim 5, is characterized in that: the heat reflection material layer (31) adopts a polyimide film, and the porous material layer (32) adopts an EPP foam board.

7. The sound-insulating and noise-reducing glass fiber board for the decorative wheel cover of the automobile trunk, which is disclosed by claim 5, is characterized in that: the protective layer (4) comprises an adhesive layer (41) and an artificial leather layer (42), wherein the artificial leather layer (42) is adhered to the lower surface of the porous material layer (32) through the adhesive layer (41).

8. The sound-insulating and noise-reducing glass fiber board for the decorative wheel cover of the automobile trunk, which is disclosed by claim 7, is characterized in that: the adhesive layer (41) is made of polyurethane adhesive, and the artificial leather layer (42) is made of polyurethane synthetic leather.