CN210881221U - Automotive interior heat and sound insulation pad - Google Patents
Automotive interior heat and sound insulation pad Download PDFInfo
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- CN210881221U CN210881221U CN201921580143.9U CN201921580143U CN210881221U CN 210881221 U CN210881221 U CN 210881221U CN 201921580143 U CN201921580143 U CN 201921580143U CN 210881221 U CN210881221 U CN 210881221U
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Abstract
The utility model discloses a car interior heat and sound insulation pad, concretely relates to sound insulation pad technical field, including the sound insulation pad body, the inside bottom of sound insulation pad body is provided with the underlay, and the top of sound insulation pad body is provided with the PVC epidermal layer, the top surface of underlay is provided with the sponge layer, and bonds through the vinyl acetate copolymer adhesive between underlay and the sponge layer, the top surface of sponge layer is provided with the sound insulation felt layer. The utility model discloses set up and inhaled sound layer body, sound enters into through inhaling the sound hole and inhales the sound cotton, enter into afterwards and inhale in the sound layer, reach the clearance once more to sound, can improve the syllable-dividing effect of sound insulation pad body, the poor problem of sound insulation effect of sound insulation pad body has been solved, flame retardant coating and wearing layer have been set up, can guarantee not being burnt when getting on fire, can not make the combustion range aggravation yet, enlarge, the wear resistance of sound insulation pad body has been increased, the life of extension sound insulation pad body.
Description
Technical Field
The utility model relates to a give sound insulation and fill up technical field, more specifically say, the utility model relates to an automotive interior thermal-insulated sound insulation pad.
Background
The sound insulation of an automobile is to finely process engine noise generated by the automobile, resonance sound generated by vibration of tires and a road surface, friction sound generated by extrusion force of components in a carriage due to gaps or aging, and the like according to the performance of the automobile, corresponding road conditions and use conditions, so as to improve the riding comfort of the automobile.
The utility model patent of patent application publication No. CN 207156562U discloses an automotive interior sound insulation pad with heat insulation function, which comprises a sound absorption layer body, a sound absorption layer, a sound insulation layer, a sound absorption block, a sound absorption grid, porous fibers, a mixed fiber layer and a butyl rubber layer; this automotive interior gives sound insulation and fills up with thermal-insulated function has sound absorbing effect, has sound insulation effect moreover, inhales sound and not only can reduce the sound that the metal resonance produced in the car under soundproof combined action, effectual isolated external and the audio frequency environment in the car moreover lets in the car more quiet, further promotes the effect of interior audio amplifier of car.
However, in actual use, the sound-insulating pad still has many disadvantages, such as poor sound-insulating effect of the sound-insulating pad body and easy diffusion of sound in the automobile.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a thermal-insulated sound insulation pad of automotive interior, through having set up sound absorbing layer body, the sound accessible is inhaled the sound hole and is entered into and inhale the sound cotton, enters into sound absorbing layer afterwards, reaches the clearance once more to sound, can improve the syllable-dividing effect of sound insulation pad body to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thermal-insulated sound insulation pad of automotive interior, includes the sound insulation pad body, the inside bottom of sound insulation pad body is provided with the underlay layer, and the top of sound insulation pad body is provided with the PVC epidermal layer, the top surface of underlay layer is provided with the sponge layer, and bonds through vinyl acetate copolymer adhesive between underlay layer and the sponge layer, the top surface on sponge layer is provided with the sound insulation felt layer, the top on sound insulation felt layer is provided with the sound absorption layer body.
In a preferred embodiment, the top end of the sound absorbing layer body is provided with an XPE intermediate layer, the top end of the XPE intermediate layer is provided with a mixed fiber layer, and the top end of the mixed fiber layer is attached to a PVC surface layer.
In a preferred embodiment, the bottom surface of the bedding layer is provided with a convex ball, the axial cross-sectional shape of the convex ball is set to be arc-shaped, and the convex ball is a member made of butyl rubber.
In a preferred embodiment, inhale sound layer body including inhaling the sound hole, the bottom of inhaling the sound hole is provided with inhales the sound cotton, and inhales the top in sound hole and the bottom surface laminating in XPE intermediate level, inhale the cotton internal shape of sound and set up to honeycomb.
In a preferred embodiment, the bottom end of the sound-absorbing cotton is provided with a sound-absorbing cavity, and the bottom end surface of the sound-absorbing cavity is in contact with the top end surface of the sound-insulating felt layer.
In a preferred embodiment, the top surface of the PVC skin layer is provided with an edge seal near the edge position, and the PVC skin layer comprises an abrasion resistant layer, the bottom end of which is provided with a fire-proof layer.
In a preferred embodiment, the bottom end of the fire-proof layer is provided with a water-blocking yarn, the bottom end surface of the water-blocking yarn is adhered to the top end surface of the mixed fiber layer, and the water-blocking yarn is a nylon component.
In a preferred embodiment, the fire-proof layer is filled with a fire-retardant material, and the fire-retardant material is antimony trioxide.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a through having set up sound absorbing layer body and protruding ball, protruding ball can increase the area of contact of bedding layer and car, avoids the sound insulating pad body to appear the phenomenon of dislocation skew, and sound can enter into the sound absorption cotton through the sound absorption hole, then enters into the sound absorbing layer, reaches the clearance once more to the sound, can improve the sound insulation effect of sound insulating pad body, compares with prior art, has solved the poor problem of sound insulation effect of sound insulating pad body;
2. the utility model discloses a having set up flame retardant coating and wearing layer, antimony trioxide is a flame retardant material, and fire behaviour is strong, can guarantee not being burnt when getting on fire, also can not make combustion range aggravation, expansion, has set up the wearing layer at the surface of sound insulation pad body, and the wearing property of multiplicable sound insulation pad body prolongs the life of sound insulation pad body.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic view of the three-dimensional structure of the bottom layer of the present invention.
Fig. 4 is a schematic structural view of the sound absorbing layer body of the present invention.
Fig. 5 is a schematic structural view of the PVC skin layer of the present invention.
The reference signs are: 1 sound insulating pad body, 2 PVC epidermal layers, 3 banding, 4 mixed fiber layers, 5 XPE intermediate level, 6 sound absorbing layer bodies, 7 sound insulating felt layer, 8 sponge layers, 9 underlay layers, 10 protruding balls, 11 sound absorbing holes, 12 sound absorbing cotton, 13 sound absorbing cavity, 14 wearing layer, 15 flame retardant coating, 16 yarn that blocks water.
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.
The utility model relates to a thermal-insulated sound-proof pad of automotive interior, including sound-proof pad body 1, sound-proof pad body 1's inside bottom is provided with underlay layer 9, and sound-proof pad body 1's top is provided with PVC epidermal 2, underlay layer 9's top surface is provided with sponge layer 8, and bonds through the vinyl acetate copolymer adhesive between underlay layer 9 and the sponge layer 8, sponge layer 8's top surface is provided with sound-proof felt layer 7, sound-proof felt layer 7's top is provided with sound-absorbing layer body 6.
Referring to the attached fig. 1-4 of the specification, the automotive interior heat and sound insulation pad of this embodiment includes an XPE intermediate layer 5, the top end of the sound absorbing layer body 6 is provided with the XPE intermediate layer 5, the top end of the XPE intermediate layer 5 is provided with a mixed fiber layer 4, and the top end of the mixed fiber layer 4 is attached to the PVC skin layer 2.
Further, the bottom surface of the bottom layer 9 is provided with a convex ball 10, the axial cross-sectional shape of the convex ball 10 is arc-shaped, and the convex ball 10 is a member made of butyl rubber.
Further, inhale sound layer body 6 including inhaling sound hole 11, the bottom of inhaling sound hole 11 is provided with inhales sound cotton 12, and inhales the top of sound hole 11 and the bottom surface laminating of XPE intermediate level 5, the inside shape of inhaling sound cotton 12 sets up to honeycomb, the bottom of inhaling sound cotton 12 is provided with inhales sound chamber 13, the bottom surface of inhaling sound chamber 13 and the top surface contact of sound deadening felt layer 7.
The implementation scenario is specifically as follows: in the actual use process, can put into the inside of car with the sound insulation pad body 1, and with the bottom of bedding layer 9 down, protruding ball 10 and car surface contact, realize placing sound insulation pad body 1, and protruding ball 10 can increase bedding layer 9 and the area of contact of car, avoid sound insulation pad body 1 to appear the phenomenon of dislocation skew, and the setting of sponge layer 8, the compliance of sound insulation pad body 1 can be increased, after the sound equipment in the car makes a sound, sound can loop through PVC epidermal layer 2, mixed fiber layer 4, XPE intermediate level 5 and reach the inside of sound absorption layer body 6, sound can enter into sound absorption cotton 12 through sound absorption hole 11, the inside shape of sound absorption cotton 12 is set to honeycomb, through the reflection of innumerable fibre, superpose each other, collide when inhaling sound cotton 12, sound intensity weakens until sound disappears, remaining sound can enter into sound absorption cavity 13, reach the clearance once more to sound, can improve the syllable-dividing effect of the pad body of giving sound insulation 1, this embodiment has specifically solved the poor problem of the pad body of giving sound insulation 1 sound insulation effect.
Referring to the attached drawings 1, 2 and 5 of the specification, the automotive interior heat and sound insulating pad of the embodiment includes an abrasion-resistant layer 14, the top surface of the PVC skin layer 2 is provided with a sealing edge 3 near the edge, the PVC skin layer 2 includes the abrasion-resistant layer 14, and the bottom end of the abrasion-resistant layer 14 is provided with a fire-proof layer 15.
Further, the bottom end of the fireproof layer 15 is provided with a water blocking yarn 16, the bottom end surface of the water blocking yarn 16 is bonded with the top end surface of the mixed fiber layer 4, and the water blocking yarn 16 is a nylon component.
Further, the fire-proof layer 15 is filled with a flame-retardant material, and the flame-retardant material is antimony trioxide.
The implementation scenario is specifically as follows: during the use, because the inside of giving sound insulation and filling up body 1 has set up flame retardant coating 15 and the yarn 16 that blocks water, can improve the fire behavior and the ability of blocking water of giving sound insulation and filling up body 1, antimony trioxide is a flame retardant material, flame retardant property is strong, can guarantee not being burnt when getting on fire, also can not make the combustion regime aggravation, enlarge, the surface of giving sound insulation and filling up body 1 has set up wearing layer 14, the wearing property of multiplicable sound insulation and filling up body 1, the life of extension sound insulation and filling up body 1.
The utility model discloses a theory of operation:
referring to the attached drawings 1-4 of the specification, the sound absorption layer body 6 and the protruding balls 10 are arranged, the protruding balls 10 can increase the contact area of the underlay layer 9 and an automobile, the phenomenon that the sound insulation pad body 1 is misplaced and deviated is avoided, sound can enter the sound absorption cotton 12 through the sound absorption holes 11 and then enter the sound absorption cavity 13, the sound can be cleared again, the sound insulation effect of the sound insulation pad body 1 can be improved, and the problem that the sound insulation effect of the sound insulation pad body 1 is poor is solved.
Referring to description attached drawing 1, fig. 2 and fig. 5, having set up flame retardant coating 15 and wearing layer 14, antimony trioxide is a fire retardant material, and fire behaviour is strong, can guarantee not burnt when getting on fire, also can not make the combustion range aggravation, enlarge, has set up wearing layer 14 at the surface of the pad body that gives sound insulation 1, and the wearing property of multiplicable sound insulation pad body 1 prolongs the life of sound insulation pad body 1.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a thermal-insulated pad that gives sound insulation of automotive interior trim, includes sound insulation pad body (1), its characterized in that: the sound insulation pad is characterized in that a bottom pad layer (9) is arranged at the bottom inside the sound insulation pad body (1), a PVC (polyvinyl chloride) surface layer (2) is arranged on the top end of the sound insulation pad body (1), a sponge layer (8) is arranged on the top end surface of the bottom pad layer (9), the bottom pad layer (9) and the sponge layer (8) are bonded through a vinyl acetate copolymer adhesive, a sound insulation felt layer (7) is arranged on the top end surface of the sponge layer (8), and a sound absorption layer body (6) is arranged on the top end of the sound insulation felt layer (7).
2. The automotive interior thermal and acoustic insulation pad according to claim 1, characterized in that: the top of sound absorbing layer body (6) is provided with XPE intermediate level (5), the top in XPE intermediate level (5) is provided with hybrid fiber layer (4), the top and the laminating of PVC epidermal layer (2) of hybrid fiber layer (4).
3. The automotive interior thermal and acoustic insulation pad according to claim 1, characterized in that: the bottom surface of underlay (9) is provided with protruding ball (10), the axial cross-sectional shape of protruding ball (10) sets up to the arc, and protruding ball (10) are the component of butyl rubber material.
4. The automotive interior thermal and acoustic insulation pad according to claim 1, characterized in that: inhale sound layer body (6) including inhaling sound hole (11), the bottom of inhaling sound hole (11) is provided with inhales sound cotton (12), and inhales the top of sound hole (11) and the laminating of the bottom surface in XPE intermediate level (5), the inside shape of inhaling sound cotton (12) sets up to honeycomb.
5. The automotive interior thermal and acoustic insulation pad according to claim 4, characterized in that: inhale the bottom of sound cotton (12) and be provided with sound absorbing cavity (13), the bottom surface in sound absorbing cavity (13) and the top surface contact of sound-proof felt layer (7).
6. The automotive interior thermal and acoustic insulation pad according to claim 2, characterized in that: the top surface of PVC epidermal layer (2) is close to border position and is provided with banding (3), and PVC epidermal layer (2) include wearing layer (14), the bottom of wearing layer (14) is provided with flame retardant coating (15).
7. The automotive interior thermal and acoustic insulation pad according to claim 6, characterized in that: the bottom of flame retardant coating (15) is provided with the yarn (16) that blocks water, the bottom surface of the yarn (16) that blocks water bonds with the top surface of mixed fiber layer (4), and the yarn (16) that blocks water is the component of nylon material.
8. The automotive interior thermal and acoustic insulation pad according to claim 7, characterized in that: the interior of the fireproof layer (15) is filled with a flame-retardant material, and the flame-retardant material is antimony trioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580143.9U CN210881221U (en) | 2019-09-23 | 2019-09-23 | Automotive interior heat and sound insulation pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921580143.9U CN210881221U (en) | 2019-09-23 | 2019-09-23 | Automotive interior heat and sound insulation pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210881221U true CN210881221U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921580143.9U Expired - Fee Related CN210881221U (en) | 2019-09-23 | 2019-09-23 | Automotive interior heat and sound insulation pad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210881221U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182434A (en) * | 2021-11-26 | 2022-03-15 | 广州中樱汽车零部件有限公司 | High-performance acoustic cotton for vehicles and manufacturing process thereof |
-
2019
- 2019-09-23 CN CN201921580143.9U patent/CN210881221U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182434A (en) * | 2021-11-26 | 2022-03-15 | 广州中樱汽车零部件有限公司 | High-performance acoustic cotton for vehicles and manufacturing process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tang Jimin Inventor after: Wang Weishen Inventor after: Deng Wenchao Inventor after: Xue Huidong Inventor before: Tang Jimin Inventor before: Wang Wei Inventor before: Deng Wenchao Inventor before: Xue Huidong |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200630 Termination date: 20210923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |