CN216032906U

CN216032906U - Sound-insulation shock-absorption non-woven fabric for automobile

Info

Publication number: CN216032906U
Application number: CN202122186495.XU
Authority: CN
Inventors: 李彤春
Original assignee: Wuhan Xinxiangtong Automotive Trim Co ltd
Current assignee: Wuhan Xinxiangtong Automotive Trim Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-03-15
Anticipated expiration: 2031-09-10

Abstract

The utility model relates to a sound-insulation and shock-absorption non-woven fabric for an automobile, which comprises a base layer, wherein a sound-insulation component is fixedly connected to the upper surface of the base layer, a shock-absorption component is fixedly connected to the lower surface of the base layer, the sound-insulation component comprises a sound-insulation layer fixedly connected to the upper surface of the base layer, a sound hole is formed in the upper surface of the sound-insulation layer, a connecting layer is fixedly connected to the upper surface of the sound-insulation layer, a connecting port is formed in the upper surface of the connecting layer, sound-deadening cotton is fixedly connected to the inside of the connecting port, and an elastic layer is fixedly connected to the bottom wall of the inner cavity of the sound hole. This automobile is with shock attenuation non-woven fabrics that gives sound insulation when the noise produces, can enter into the inside of syllable-dividing subassembly, and gets off through the effect on amortization cotton and sound absorbing layer and carry out effectual absorption to the noise, and the basic unit is through the cotton contact of shock attenuation subassembly and installation, under shock attenuation subassembly's effect, comes the effectual vibrations that reduce whole non-woven fabrics, further reduces the noise because of vibrations produce.

Description

Sound-insulation shock-absorption non-woven fabric for automobile

Technical Field

The utility model relates to the technical field of automobile non-woven fabrics, in particular to a sound-insulation shock-absorption non-woven fabric for an automobile.

Background

The non-woven fabrics is not only used for wearing by people, but also by wide application in indoor outer fitment, along with people's improvement of living standard and the acceleration of rhythm, the living environment is more and more noisy, and people all want to calm in the alarm, and consequently, the non-woven fabrics with syllable-dividing efficiency is being more and more taken into account by people.

The automobile non-woven fabrics on the existing market are various, but the shortcoming that the practicality is low generally exists, and the non-woven fabrics is installed to current car, utilizes the non-woven fabrics to dampproofing and ventilative, but the syllable-dividing effect of non-woven fabrics self with reduce the effect extremely poor, consequently at the in-process that the non-woven fabrics used, can not effectually absorb the noise, consequently can not keep the quiet environment in the car, the non-woven fabrics does not have the shock attenuation characteristic simultaneously, also can produce the noise of certain degree at the in-process of its vibrations.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the sound-insulation shock-absorption non-woven fabric for the automobile, which has the advantages of high practicability and the like, and solves the problem that noise cannot be effectively absorbed.

In order to achieve the purpose, the utility model provides the following technical scheme: a sound-insulation shock-absorption non-woven fabric for an automobile comprises a base layer, wherein a sound-insulation component is fixedly connected to the upper surface of the base layer, and a shock-absorption component is fixedly connected to the lower surface of the base layer;

the sound insulation component comprises a sound insulation layer fixedly connected to the upper surface of the base layer, a sound port is formed in the upper surface of the sound insulation layer, a connecting layer is fixedly connected to the upper surface of the sound insulation layer, a connecting port is formed in the upper surface of the connecting layer, silencing cotton is fixedly connected to the inside of the connecting port, an elastic layer is fixedly connected to the bottom wall of an inner cavity of the sound port, and a reflecting ball is fixedly connected to the upper surface of the elastic layer;

the damping component comprises a damping strip fixedly connected to the lower surface of the base layer, the lower surface of the damping strip is fixedly connected with an anticorrosive layer, the lower surface of the anticorrosive layer is fixedly connected with an antibacterial layer, and the lower surface of the antibacterial layer is fixedly connected with a wear-resistant layer.

Furthermore, the sound insulation assembly further comprises a waterproof layer fixedly connected to the upper surface of the connecting layer, and the waterproof layer faces the direction of the connecting port.

Further, the length and the width of articulamentum are greater than the length and the width of sound mouth inner chamber respectively, two and evenly distributed are no less than in the upper surface of articulamentum to the quantity of connector.

Furthermore, the sound absorption layer is fixedly connected inside the sound port and faces the direction of the connecting port.

Furthermore, the number of the reflection balls is not less than two and is uniformly distributed on the upper surface of the elastic layer, and the base layer is a non-woven fabric layer.

Further, damper still includes the antislip strip of fixed connection at the wearing layer lower surface, two and evenly distributed are no less than to the quantity of antislip strip at the lower surface of wearing layer.

Further, the shock absorption strip is a rubber strip, the antibacterial layer is a silver ion layer, and the wear-resistant layer is a microcrystalline glass layer.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this automobile is with shock attenuation non-woven fabrics that gives sound insulation, basic unit are non-woven fabrics layer, when the noise produced, can enter into soundproof assembly's inside, and get off through the effect on amortization cotton and sound absorbing layer and carry out effectual absorption to the noise, and the basic unit is through the cotton contact of damper and installation, under damper's effect, comes the effectual vibrations that reduce whole non-woven fabrics, further reduces the noise that produces because of vibrations.

Drawings

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

FIG. 2 is a schematic view of the acoustic baffle assembly of the present invention;

figure 3 is a schematic view of the shock absorbing assembly of the present invention.

In the figure: the sound insulation board comprises a base layer 1, a sound insulation component 2, a sound insulation layer 201, a sound port 202, a connecting layer 203, a connecting port 204, sound insulation cotton 205, an elastic layer 206, a reflecting ball 207, a waterproof layer 208, a sound absorption layer 209, a shock absorption component 3, shock absorption strips 301, an anticorrosive layer 302, an antibacterial layer 303, a wear-resistant layer 304 and anti-slip strips 305.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, in the sound-insulating and shock-absorbing non-woven fabric for the automobile of the embodiment, the sound-insulating component 2 is fixedly connected to the upper surface of the base layer 1, so that the sound-insulating performance of the base layer 1 is effectively improved, and the shock-absorbing component 3 is fixedly connected to the lower surface of the base layer 1, so that the shock-absorbing performance of the base layer 1 is effectively improved.

Referring to fig. 2, in order to ensure the sound insulation effect of the non-woven fabric, the sound insulation assembly 2 in this embodiment includes a sound insulation layer 201 fixedly connected to the upper surface of a base layer 1, so that noise is transmitted to the inside of a sound opening 202 and then is not diffused all around, the sound opening 202 is formed in the upper surface of the sound insulation layer 201, the upper surface of the sound insulation layer 201 is fixedly connected with a connection layer 203, a connection port 204 is formed in the upper surface of the connection layer 203, the noise is diffused through the connection port 204 on the connection layer 203, silencing cotton 205 is fixedly connected to the inside of the connection port 204 to primarily absorb the noise, an elastic layer 206 is fixedly connected to the bottom wall of the inner cavity of the sound opening 202, so that the elastic layer 207 has certain elasticity, the elastic layer 206 is fixedly connected with a reflection ball 207, and the noise is reflected by multiple angles.

The subassembly 2 that gives sound insulation still includes waterproof layer 208 of fixed connection at the articulamentum 203 upper surface, make moisture be difficult for influencing the work of sound-deadening structure, waterproof layer 208 is towards connector 204 direction, the length and the width of articulamentum 203 are greater than the length and the width of sound mouth 202 inner chamber respectively, connector 204's quantity is no less than two and evenly distributed at the upper surface of articulamentum 203, the inside fixedly connected with sound absorption layer 209 of sound mouth 202, come to carry out effectual processing to the noise of reflection, make the non-woven fabrics have good sound insulation performance, sound absorption layer 209 is towards connector 204 direction, two and evenly distributed are no less than to the quantity of reflection ball 207 at the upper surface of elastic layer 206, basic unit 1 is the non-woven fabrics layer.

Therefore, when noise is generated, the noise is subjected to multiple treatment through the effect of the sound insulation component 2, and the sound insulation effect of the non-woven fabric is improved.

Referring to fig. 3, in order to ensure the damping effect of the non-woven fabric, the damping assembly 3 in this embodiment includes a damping strip 301 fixedly connected to the lower surface of the base layer 1, and can generate a large deformation under the action of a small external force, and can recover to its original shape after the external force is removed, the lower surface of the damping strip 301 is fixedly connected with an anti-corrosion layer 302, so that the non-woven fabric is not easily affected by moisture and is not easy to rot, the lower surface of the anti-corrosion layer 302 is fixedly connected with an anti-bacterial layer 303, which effectively kills germs, and the lower surface of the anti-bacterial layer 303 is fixedly connected with a wear-resistant layer 304, so that the whole non-woven fabric is not easily subjected to frictional deformation.

Damping component 3 still includes the antislip strip 305 of fixed connection at wearing layer 304 lower surface, and with installation face contact, makes difficult slip dislocation after the installation of whole non-woven fabrics, two and evenly distributed are no less than to the quantity of antislip strip 305 at the lower surface of wearing layer 304, and the bumper strip 301 is the rubber strip, and antibiotic layer 303 is the silver ion layer, and wearing layer 304 is the microcrystalline glass layer.

The working principle of the above embodiment is as follows:

(1) when noise exists, the noise can be diffused through the connecting port 204 on the connecting layer 203, the silencing cotton 205 is fixedly connected inside the connecting port 204, the noise is subjected to primary absorption treatment under the action of the silencing cotton 205, the noise can reach the sound opening 202 on the lower side and contact with the attraction layer 209 in the process of continuously diffusing the noise, the noise is subjected to secondary absorption under the action of the sound absorption layer 209 and contacts with the reflection balls 207 at the moment, the elastic layer 206 enables the reflection balls 207 to have certain elasticity, the noise passing through the elastic layer can be reflected, the noise is continuously reflected under the action of the reflection balls 207 and always contacts with the sound absorption layer 209 in the continuous reflection process, the noise is effectively treated, and the non-woven fabric has good sound insulation performance.

(2) Shock attenuation strip 301 is made for rubber, rubber indicates that the high elastic polymer material that has reversible deformation is in, can produce great deformation under very little exogenic action, can the reconversion after detaching external force, can effectually reduce the vibrations of whole non-woven fabrics, further reduce the noise that the non-woven fabrics produced because of vibrations, under the effect of anticorrosive coating 302, the corrosion resisting property of whole non-woven fabrics has been promoted, make it be difficult for receiving the influence of moisture and rot, under the effect of antibiotic layer 303, effectually kill the germ, promote the life of non-woven fabrics, under the cooperation of wearing layer 304, make whole non-woven fabrics not receive frictional deformation easily, further promoted the life of non-woven fabrics, antislip strip 305 and installation face contact, make difficult slip dislocation after the installation of whole non-woven fabrics.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 car is with shock attenuation non-woven fabrics that gives sound insulation, includes basic unit (1), its characterized in that: the upper surface of the base layer (1) is fixedly connected with a sound insulation component (2), and the lower surface of the base layer (1) is fixedly connected with a damping component (3);

the sound insulation component (2) comprises a sound insulation layer (201) fixedly connected to the upper surface of a base layer (1), a sound opening (202) is formed in the upper surface of the sound insulation layer (201), a connecting layer (203) is fixedly connected to the upper surface of the sound insulation layer (201), a connecting port (204) is formed in the upper surface of the connecting layer (203), silencing cotton (205) is fixedly connected to the inside of the connecting port (204), an elastic layer (206) is fixedly connected to the bottom wall of the inner cavity of the sound opening (202), and a reflecting ball (207) is fixedly connected to the upper surface of the elastic layer (206);

damper (3) are including shock attenuation strip (301) of fixed connection at basic unit (1) lower surface, the lower fixed surface of shock attenuation strip (301) is connected with anticorrosive coating (302), the lower fixed surface of anticorrosive coating (302) is connected with antibiotic layer (303), the lower fixed surface of antibiotic layer (303) is connected with wearing layer (304).

2. The sound-insulation and shock-absorption non-woven fabric for the automobile according to claim 1, characterized in that: the sound insulation assembly (2) further comprises a waterproof layer (208) fixedly connected to the upper surface of the connecting layer (203), and the waterproof layer (208) faces the direction of the connecting port (204).

3. The sound-insulation and shock-absorption non-woven fabric for the automobile according to claim 1, characterized in that: the length and the width of the connecting layer (203) are respectively greater than those of the inner cavity of the sound port (202), and the number of the connecting ports (204) is not less than two and is uniformly distributed on the upper surface of the connecting layer (203).

4. The sound-insulation and shock-absorption non-woven fabric for the automobile according to claim 1, characterized in that: the sound absorption layer (209) is fixedly connected to the interior of the sound port (202), and the sound absorption layer (209) faces the direction of the connecting port (204).

5. The sound-insulation and shock-absorption non-woven fabric for the automobile according to claim 1, characterized in that: the number of the reflecting balls (207) is not less than two and is uniformly distributed on the upper surface of the elastic layer (206), and the base layer (1) is a non-woven fabric layer.

6. The sound-insulation and shock-absorption non-woven fabric for the automobile according to claim 1, characterized in that: the shock absorption assembly (3) further comprises anti-slip strips (305) fixedly connected to the lower surface of the wear-resistant layer (304), and the number of the anti-slip strips (305) is not less than two and is uniformly distributed on the lower surface of the wear-resistant layer (304).

7. The sound-insulation and shock-absorption non-woven fabric for the automobile according to claim 6, characterized in that: the shock-absorbing strip (301) is a rubber strip, the antibacterial layer (303) is a silver ion layer, and the wear-resisting layer (304) is a microcrystalline glass layer.