CN209852219U - Silencing pad capable of drying automobile trunk - Google Patents
Silencing pad capable of drying automobile trunk Download PDFInfo
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- CN209852219U CN209852219U CN201920428472.5U CN201920428472U CN209852219U CN 209852219 U CN209852219 U CN 209852219U CN 201920428472 U CN201920428472 U CN 201920428472U CN 209852219 U CN209852219 U CN 209852219U
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Abstract
The embodiment of the utility model discloses but dry vapour car trunk's amortization pad is disclosed. This can dry amortization pad of vapour car trunk includes: the sound insulation device comprises a first sound insulation layer, a first sound absorption layer, a second sound insulation layer, a heating sheet, a controller, a third sound insulation layer, a second sound absorption layer and a non-woven fabric layer. First sound insulating layer is fixed to be set up in the car, the lower surface laminating on first sound insulating layer and first sound insulating layer, the lower surface laminating on first sound insulating layer and second sound insulating layer, the upper surface laminating on third sound insulating layer and second sound insulating layer, the heating plate sets up between second sound insulating layer and third sound insulating layer, heating plate and controller electric connection, the engine electric connection of controller and car, the lower surface on second sound insulating layer and the upper surface laminating on third sound insulating layer, the upper surface on second sound insulating layer and the lower surface laminating on non-woven fabrics layer, thereby realize the drying to vapour car trunk through the heating plate, simple structure and the long service life of amortization pad.
Description
Technical Field
The embodiment of the utility model provides a relate to automobile parts technical field, especially relate to a can dry vapour car trunk's amortization pad.
Background
The silencing pad is arranged in the automobile, so that noise transmitted into a cab from an engine or the inside and the outside of the automobile is reduced, the silencing pad can be applied to various parts such as the engine cab, the cab, a trunk and the like of the automobile, has the functions of sound insulation, sound absorption and the like, and can provide a quiet driving environment for a driver and passengers.
The inventor of this application discovers, among the prior art, the amortization pad that the trunk was used is difficult for dismantling and changing generally, and the trunk is moist easily, leads to amortization pad and trunk placing object article easily to wet, influences the life of amortization pad.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a but bloop of dry vapour car trunk fills up for dry vapour car trunk, simple structure and long service life.
The embodiment of the utility model provides a can dry vapour car trunk's amortization pad, include: the heating plate comprises a first sound insulation layer, a first sound absorption layer, a second sound insulation layer, a heating plate, a controller, a third sound insulation layer, a second sound absorption layer and a non-woven fabric layer;
the lower surface of the first sound insulation layer is fixedly arranged in the automobile;
the upper surface of the first sound insulation layer is attached to the lower surface of the first sound absorption layer;
the upper surface of the first sound absorption layer is attached to the lower surface of the second sound insulation layer;
the lower surface of the third sound insulation layer is attached to the upper surface of the second sound insulation layer;
the heating sheet is arranged between the second sound insulation layer and the third sound insulation layer and is respectively abutted against the upper surface of the second sound insulation layer and the lower surface of the third sound insulation layer;
the heating sheet is electrically connected with the controller, the controller is electrically connected with an engine of the automobile, and the controller is used for controlling the heating sheet to start heating when the engine of the automobile is started and controlling the heating sheet to stop heating when the engine of the automobile is extinguished;
the lower surface of the second sound absorption layer is attached to the upper surface of the third sound insulation layer;
the upper surface of the second sound absorption layer is attached to the lower surface of the non-woven fabric layer;
thereby realize the drying to vapour car trunk through the heating plate, simple structure and amortization pad's long service life. In addition, the sound-absorbing pad comprises a plurality of sound-absorbing layers and sound-absorbing layers, so that the strength of the sound-absorbing pad is improved, and the sound-absorbing effect is good.
In a feasible scheme, the upper surface of the third sound insulation layer is provided with a magic tape hair surface;
the lower surface of the second sound absorption layer is provided with a magic tape hook surface matched with the magic tape hair surface, and the magic tape hook surface is bonded with the magic tape hair surface to ensure that the third sound absorption layer is connected with the second sound absorption layer;
thereby paste hook face and magic and paste the connection dismantled of hair side realization third sound insulating layer and second sound absorbing layer through the magic, simple structure, convenient to use.
In a feasible scheme, the upper surface of the third sound insulation layer is provided with a first magnetic strip;
a second magnetic strip matched with the first magnetic strip is arranged on the lower surface of the second sound absorption layer, and the second magnetic strip is bonded with the first magnetic strip, so that the third sound absorption layer is connected with the second sound absorption layer;
thereby realize the connection dismantled on third sound insulating layer and second sound absorbing layer through first magnetic stripe and second magnetic stripe, simple structure, convenient to use.
In one possible solution, the first sound insulation layer is made of an ethylene-vinyl acetate copolymer material or an ethylene propylene diene monomer material;
the second sound insulation layer is made of an ethylene-vinyl acetate copolymer material or an ethylene propylene diene monomer material;
the third sound insulation layer is made of an ethylene-vinyl acetate copolymer material or an ethylene propylene diene monomer material;
the ethylene-vinyl acetate copolymer material and the ethylene propylene diene monomer material have certain strength and flexibility, and can play a role in shock absorption and sound insulation.
In one possible solution, the first sound absorbing layer is a polyester sound absorbing cotton layer;
in one possible embodiment, the second sound absorbing layer is a foam sponge layer;
the sponge foaming layer has good sound absorption effect and low price.
In one possible solution, the non-woven fabric layer is made of a polyester material;
the non-woven fabric made of the polyester material has the characteristics of moisture resistance, light weight, recycling and the like.
In one possible solution, the hook and loop fastener surface and the loop fastener surface are made of nylon material;
the magic tape made of the nylon material has strong adhesive property, deformation resistance and long service life.
In a feasible scheme, the thickness of the first sound insulation layer is 5-25 mm;
the thickness of the second sound insulation layer is 1-5 mm;
the thickness of the first sound absorption layer is 1-5 mm;
the thickness of the third sound insulation layer is 1-5 mm;
the thickness of the second sound absorption layer is 5-25 mm;
the thicknesses of the sound attenuation layers and the sound absorption layers can be adjusted according to the actual requirements of customers, so that the individual requirements are met.
According to the above technical scheme, the utility model provides a but dry vapour car trunk's amortization pad, include: the sound insulation device comprises a first sound insulation layer, a first sound absorption layer, a second sound insulation layer, a heating sheet, a controller, a third sound insulation layer, a second sound absorption layer and a non-woven fabric layer. With fixed the setting in the car of first sound insulating layer, first sound absorbing layer, the second sound insulating layer, the third sound insulating layer, supreme laminating is followed down in proper order on first sound insulating layer's upper surface on second sound absorbing layer and non-woven fabrics layer, the heating plate sets up between second sound insulating layer and third sound insulating layer, heating plate and controller electric connection, controller and automobile engine electric connection, in operation, when the engine of car starts, controller control heating plate begins to heat, when the engine of car extinguishes, controller control heating plate stop heating, thereby realize the drying to the vapour car trunk, simple structure and the long service life of amortization pad.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of a silencing pad of a dryable automobile trunk in a first embodiment of the present invention;
fig. 2 is a schematic structural view of a hook and loop fastener before being bonded to a loop and loop fastener surface in the first embodiment of the present invention;
fig. 3 is a schematic structural view of a hook and loop fastener after being bonded to a loop and loop fastener rough surface in a first embodiment of the present invention;
fig. 4 is a plan view of a third sound-insulating layer according to a second embodiment of the present invention;
fig. 5 is a bottom view of a second sound absorbing layer according to a second embodiment of the present invention;
numbering in the figures:
1. a first sound-insulating layer; 2. a first sound absorbing layer; 3. a second sound-insulating layer; 4. a third sound-insulating layer; 41. magic tape hair side; 42. a first magnetic stripe; 5. a second sound absorbing layer; 51. hook surface of magic tape; 52. a second magnetic stripe; 6. a non-woven fabric layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; the connection can be mechanical connection, electrical connection or communication connection; either directly or indirectly through intervening media, either internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is the utility model provides a but the structure sketch map of the amortization pad of drying vapour car trunk in the first, fig. 2 is the utility model provides a structure sketch map before magic tape matt surface and the bonding of magic tape hook face in the first, fig. 3 is the utility model provides a structure sketch map after magic tape matt surface and the bonding of magic tape hook face in the first bonds. As shown in fig. 1, 2 and 3, the noise-damping pad for a dryable automobile trunk according to the present embodiment includes: the sound insulation structure comprises a first sound insulation layer 1, a first sound absorption layer 2, a second sound insulation layer 3, a heating sheet (not shown), a controller (not shown), a third sound insulation layer 4, a second sound absorption layer 5 and a non-woven fabric layer 6.
The lower surface of the first sound insulation layer 1 is fixedly arranged in the automobile, the upper surface of the first sound insulation layer 1 is attached to the lower surface of the first sound absorption layer 2, the upper surface of the first sound absorption layer 2 is attached to the lower surface of the second sound insulation layer 3, and the lower surface of the third sound insulation layer 4 is attached to the upper surface of the second sound insulation layer 3. The technical personnel in the field should know, the material of first sound insulating layer 1, second sound insulating layer 3 and third sound insulating layer 4 is sound insulating material, thereby reach the mesh of amortization through keeping apart the sound, the material of first sound absorbing layer 2 is sound absorbing material, thereby reach the mesh of amortization through absorbing the sound, each sound absorbing layer and each sound absorbing layer all align to fold and establish, first sound absorbing layer 2 can be through the mode of hot melt connection or utilize the adhesive, with first sound insulating layer 1 and second sound insulating layer 3 fixed connection.
In addition, the heating plate is arranged between the second sound insulation layer 3 and the third sound insulation layer 4, the heating plate is respectively abutted to the upper surface of the second sound insulation layer 3 and the lower surface of the third sound insulation layer 4, the heating plate is electrically connected with the controller, the controller is electrically connected with an engine of the automobile, the controller is used for controlling the heating plate to start heating when the engine of the automobile is started, and the heating plate is controlled to stop heating when the engine of the automobile is extinguished. Specifically, the heating plate is a sheet-shaped electric heating element which can generate heat, has good insulating property and high temperature resistance, and is commercially available. The controller can be a controller with a display screen, and when the engine is started, the controller controls the heating sheet to start heating and displays the heating temperature on the display screen, so that the temperature of the heating sheet is convenient to monitor.
In this embodiment, the lower surface of the second sound absorbing layer 5 is bonded to the upper surface of the third sound insulating layer 4, and the upper surface of the second sound absorbing layer 5 is bonded to the lower surface of the nonwoven fabric layer 6. Specifically, the second sound absorbing layer 5 is made of a sound absorbing material, so as to absorb sound and achieve the purpose of sound attenuation, and the non-woven fabric layer 6 can be fixedly connected with the second sound absorbing layer 5 in a hot melting connection mode or by using an adhesive.
As can be seen from the above, the noise damping pad for a dryable automobile trunk in the present embodiment includes: the sound insulation structure comprises a first sound insulation layer 1, a first sound absorption layer 2, a second sound insulation layer 3, a heating plate, a controller, a third sound insulation layer 4, a second sound absorption layer 5 and a non-woven fabric layer 6. With fixed the setting in the car of first sound insulating layer 1, first sound insulating layer 2, second sound insulating layer 3, third sound insulating layer 4, supreme laminating is followed in proper order down at the upper surface on first sound insulating layer 1 on second sound insulating layer 5 and non-woven fabrics layer 6, the heating plate sets up between second sound insulating layer 3 and third sound insulating layer 4, heating plate and controller electric connection, controller and automobile engine electric connection, in operation, when the engine of car starts, controller control heating plate begins to heat, when the engine of car extinguishes, controller control heating plate stops heating, thereby realize the drying to the vapour car trunk, simple structure and the long service life of amortization pad. In addition, the sound-absorbing pad comprises a plurality of sound-absorbing layers and sound-absorbing layers, so that the strength of the sound-absorbing pad is improved, and the sound-absorbing effect is good. The non-woven fabric layer 6 is provided to improve the moisture resistance of the sound-deadening mat, thereby increasing the service life of the product.
Optionally, as shown in fig. 1, fig. 2 and fig. 3, in this embodiment, the upper surface of the third sound insulation layer 4 is provided with a hook and loop fastening surface 41, the lower surface of the second sound absorption layer 5 is provided with a hook and loop fastening surface 51 adapted to the hook and loop fastening surface 41, and the hook and loop fastening surface 51 is bonded to the hook and loop fastening surface 41, so that the third sound insulation layer 4 is connected to the second sound absorption layer 5. Particularly, paste through magic subsides hook face 51 and magic tape matte 41 and paste to make third sound insulation layer 4 and second sound absorption layer 5 connect, paste hook face 51 and magic tape matte 41 and open, thereby make third sound insulation layer 4 and second sound absorption layer 5 part, realize the connection of dismantling of amortization pad, simple structure, convenient to use.
Preferably, the first sound insulation layer 1 in the present embodiment is made of an ethylene-vinyl acetate copolymer material or an ethylene propylene diene monomer material, the second sound insulation layer 3 is made of an ethylene-vinyl acetate copolymer material or an ethylene propylene diene monomer material, and the third sound insulation layer 4 is made of an ethylene-vinyl acetate copolymer material or an ethylene propylene diene monomer material. As will be appreciated by those skilled in the art, the ethylene-vinyl acetate copolymer material and the ethylene propylene diene monomer material have certain strength and flexibility, and can achieve the effects of shock absorption and sound insulation.
It is noted that in this embodiment, the first sound absorbing layer 2 is a polyester sound absorbing cotton layer. Specifically, the polyester sound absorption cotton layer is light in weight and good in sound absorption effect.
Optionally, in this embodiment, the second sound absorbing layer 5 is a foam sponge layer. Specifically, the sponge foaming layer can be made of polyurethane foaming materials, and is good in sound absorption effect and low in price.
Further, in the present embodiment, the nonwoven fabric layer 6 is made of a polyester material. For example, the non-woven fabric layer 66 may be made of polyester or a blend of polypropylene and polyester, and has moisture-proof, lightweight, and recyclable characteristics.
Alternatively, the hook and loop fastener surface 41 and 51 of the present embodiment are made of nylon material. As will be known to those skilled in the art, the magic tape made of nylon material has strong adhesion performance, deformation resistance, environmental protection, no toxicity and long service life.
It should be noted that, in this embodiment, the thickness of the first sound insulation layer 1 is 5 to 25mm, the thickness of the second sound insulation layer 3 is 1 to 5mm, the thickness of the first sound absorption layer 2 is 1 to 5mm, the thickness of the third sound insulation layer 4 is 1 to 5mm, and the thickness of the second sound absorption layer 5 is 5 to 25 mm. Specifically, the thickness of the first sound insulation layer 1 is 23.5mm, the thickness of the second sound insulation layer 3 is 3.4mm, the thickness of the first sound absorption layer 2 is 4.2mm, the thickness of the third sound insulation layer 4 is 4.5mm, the thickness of the second sound absorption layer 5 is 24.6mm, and the thicknesses of the sound attenuation layers and the sound absorption layers can be adjusted according to the actual needs of customers, so that the personalized needs are met, for example, stronger sound attenuation effect and shock resistance are needed, the sound attenuation layer and the sound absorption layer with larger thickness can be selected, and when the users need lighter sound attenuation pads, the sound attenuation layer and the sound absorption layer with smaller thickness can be selected, which is not limited in this embodiment.
Fig. 4 is the top view of the third sound insulation layer in the second embodiment of the present invention, fig. 5 is the bottom view of the second sound absorption layer in the second embodiment of the present invention, and the second embodiment of the present invention is the replacement scheme of the first embodiment of the present invention, and the hook-and-loop fastener 51 and the hook-and-loop fastener 41 in the first embodiment of the present invention are replaced by the first magnetic stripe 42 and the second magnetic stripe 52. As shown in fig. 4, fig. 5 and the first embodiment, the first magnetic stripe 42 is disposed on the upper surface of the third sound insulation layer 4 in the second embodiment, the second magnetic stripe 52 adapted to the first magnetic stripe 42 is disposed on the lower surface of the second sound absorption layer 5, and the second magnetic stripe 52 is bonded to the first magnetic stripe 42, so that the third sound insulation layer 4 is connected to the second sound absorption layer 5. Specifically, the projections of the first magnetic stripe 42 and the second magnetic stripe 52 may be perpendicular to each other or parallel to each other, and the embodiment is not limited thereto. Paste through first magnetic stripe 42 and second magnetic stripe 52 to make third sound insulation layer 4 and second sound absorbing layer 5 connect, reveal first magnetic stripe 42 and second magnetic stripe 52, thereby make third sound insulation layer 4 and second sound absorbing layer 5 part, realize the connection of dismantling of amortization pad, simple structure, convenient to use.
In the present application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first feature or the second feature or indirectly contacting the first feature or the second feature through an intermediate.
Also, a first feature "on," "above," and "over" a second feature may mean that the first feature is directly above or obliquely above the second feature, or that only the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lower level than the second feature.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A noise damping pad for a dryable automobile trunk, comprising: the heating plate comprises a first sound insulation layer, a first sound absorption layer, a second sound insulation layer, a heating plate, a controller, a third sound insulation layer, a second sound absorption layer and a non-woven fabric layer;
the lower surface of the first sound insulation layer is fixedly arranged in the automobile;
the upper surface of the first sound insulation layer is attached to the lower surface of the first sound absorption layer;
the upper surface of the first sound absorption layer is attached to the lower surface of the second sound insulation layer;
the lower surface of the third sound insulation layer is attached to the upper surface of the second sound insulation layer;
the heating sheet is arranged between the second sound insulation layer and the third sound insulation layer and is respectively abutted against the upper surface of the second sound insulation layer and the lower surface of the third sound insulation layer;
the heating sheet is electrically connected with the controller, the controller is electrically connected with an engine of the automobile, and the controller is used for controlling the heating sheet to start heating when the engine of the automobile is started and controlling the heating sheet to stop heating when the engine of the automobile is extinguished;
the lower surface of the second sound absorption layer is attached to the upper surface of the third sound insulation layer;
the upper surface of the second sound absorption layer is attached to the lower surface of the non-woven fabric layer.
2. The noise reduction pad for the dryable automobile trunk according to claim 1, wherein a magic tape matt surface is arranged on the upper surface of the third sound insulation layer;
the lower surface of the second sound absorption layer is provided with a hook and loop fastening surface matched with the hook and loop fastening surface, and the hook and loop fastening surface is bonded with the hook and loop fastening surface to enable the third sound absorption layer to be connected with the second sound absorption layer.
3. The dryable automotive trunk sound-deadening pad according to claim 1, wherein the upper surface of the third sound-deadening layer is provided with a first magnetic stripe;
the lower surface on second sound absorbing layer be equipped with the second magnetic stripe of first magnetic stripe adaptation, the second magnetic stripe with first magnetic stripe bonds, makes third sound absorbing layer with the second is inhaled the layer and is connected.
4. The dryable automotive trunk sound-deadening pad according to claim 1, wherein the first sound-deadening layer is made of an ethylene-vinyl acetate copolymer material or an ethylene-propylene-diene monomer rubber material;
the second sound insulation layer is made of an ethylene-vinyl acetate copolymer material or an ethylene propylene diene monomer material;
the third sound insulation layer is made of an ethylene-vinyl acetate copolymer material or an ethylene propylene diene monomer rubber material.
5. The dryable automotive trunk sound-deadening pad according to claim 1, wherein the first sound-absorbing layer is a polyester sound-absorbing cotton layer.
6. The dryable automotive trunk sound-deadening pad according to claim 1, wherein the second sound-absorbing layer is a foamed sponge layer.
7. The dryable automotive trunk sound-deadening mat according to claim 1, wherein the non-woven fabric layer is made of a polyester material.
8. The dryable automotive trunk sound-deadening pad as claimed in claim 2, wherein the hook and loop fastener surface and the loop fastener surface are made of a nylon material.
9. The dryable automotive trunk sound-deadening pad according to any one of claims 1 to 8, wherein the first sound-deadening layer has a thickness of 5 to 25 mm;
the thickness of the second sound insulation layer is 1-5 mm;
the thickness of the first sound absorption layer is 1-5 mm;
the thickness of the third sound insulation layer is 1-5 mm;
the thickness of the second sound absorption layer is 5-25 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428472.5U CN209852219U (en) | 2019-03-29 | 2019-03-29 | Silencing pad capable of drying automobile trunk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920428472.5U CN209852219U (en) | 2019-03-29 | 2019-03-29 | Silencing pad capable of drying automobile trunk |
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| Publication Number | Publication Date |
|---|---|
| CN209852219U true CN209852219U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920428472.5U Active CN209852219U (en) | 2019-03-29 | 2019-03-29 | Silencing pad capable of drying automobile trunk |
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| CN (1) | CN209852219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319396A (en) * | 2020-11-27 | 2021-02-05 | 安徽江淮汽车集团股份有限公司 | Enclose sound insulation pad subassembly and car before in car |
-
2019
- 2019-03-29 CN CN201920428472.5U patent/CN209852219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112319396A (en) * | 2020-11-27 | 2021-02-05 | 安徽江淮汽车集团股份有限公司 | Enclose sound insulation pad subassembly and car before in car |
| CN112319396B (en) * | 2020-11-27 | 2022-10-21 | 安徽江淮汽车集团股份有限公司 | Enclose sound insulation pad subassembly and car before in car |
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