CN213322132U - Multilayer composite carpet structure - Google Patents
Multilayer composite carpet structure Download PDFInfo
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- CN213322132U CN213322132U CN202021812116.2U CN202021812116U CN213322132U CN 213322132 U CN213322132 U CN 213322132U CN 202021812116 U CN202021812116 U CN 202021812116U CN 213322132 U CN213322132 U CN 213322132U
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Abstract
The utility model provides a compound carpet structure of multilayer mainly sets up outside the engine compartment of minibus and on the driving area floor for the sound of inhaling in the engine compartment of minibus falls to make an uproar and insulate against heat, and it includes compound main part, compound main part includes that PVC leather layer, acupuncture inhale cotton layer of sound and PET low melting point and inhale the cotton layer of sound, PET low melting point inhales cotton layer of sound, acupuncture and inhales cotton layer of sound and PVC leather layer and outwards sets gradually from the engine compartment, acupuncture inhales cotton layer thickness of sound and is 10mm, PET low melting point inhales cotton layer thickness of sound and is 10mm, PVC leather layer thickness is 2 mm. The utility model discloses a inhale cotton layer of sound and PET low melting point and inhale the cotton layer of sound through compound acupuncture, under the vehicle idle condition and the high-speed condition of traveling, to low frequency and high frequency noise, the vibration has good suppression, absorption, the effect that weakens gradually, has good separation effect to isolated heat source.
Description
Technical Field
The utility model relates to an auto-parts's technical field, especially a compound carpet structure of multilayer.
Background
The engine of the midbus is arranged at the front part of the vehicle body, so that the noise in the vehicle is high, the heat production is high, the current measures of noise, fire prevention and heat insulation of the engine of the midbus are that the metal plate surface facing the interior of the vehicle is paved around the engine compartment and relevant materials are pasted, but the sound absorption and heat insulation effects of the current products are poor, and particularly when the vehicle works, the part of the right leg of a driver close to the engine compartment generates heat due to overhigh temperature, so that the driving safety is influenced.
In view of the above, the present inventors have specifically designed a multi-layer composite carpet structure, and have resulted in this disclosure.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the technical scheme of the utility model is as follows:
the utility model provides a compound carpet structure of multilayer, mainly sets up outside the engine compartment of minibus and on the driving area floor for the sound of inhaling in minibus engine compartment is fallen and insulate against heat, and it includes compound main part, compound main part includes that PVC leather layer, acupuncture inhale cotton layer of sound and PET low melting point and inhale the cotton layer of sound, PET low melting point inhales cotton layer of sound, acupuncture and inhales cotton layer of sound and PVC leather layer and outwards sets gradually from the engine compartment, acupuncture inhales cotton layer thickness of sound and is 10mm, PET low melting point inhales cotton layer thickness of sound and is 10mm, PVC leather layer thickness is 2 mm.
Furthermore, a first adhesive layer is arranged between the PVC leather layer and the acupuncture sound absorption cotton layer.
Furthermore, a second adhesive layer is arranged between the needling sound absorption cotton layer and the PET low-melting-point sound absorption cotton layer.
Further, the PVC leather layer comprises coating, wearing layer, printing layer, glass fiber layer, non-woven fabrics back layer, glass fiber layer, printing layer, wearing layer and coating are outwards set gradually from the cotton layer of acupuncture sound absorption. Specifically, the coating possesses high abrasion, outstanding antipollution), the wearing layer adopts calendering formula technology, can make its PVC purity high, and the environmental protection is fine and close, and peel strength is high, increases the durability of product, the printing layer adopts the direct printing technique, and the design is more clear, and the color reduction degree is high, fine layer adoption flocculent glass of glass can the non-directional atress, contains incombustible interlayer, increases product fire behavior, the multiplicable volume of inhaling of non-woven fabrics back layer strengthens the adhesive force on leather layer and the acupuncture sound absorption cotton layer, better modifies the roughness of whole composite body, and the feel is better, and whole composite body fire prevention fire-retardant grade is high, does not contain harmful substance, and each item environmental protection index is superior to the industry standard.
Further, compound main part sets up the breach that is used for dodging, compound main part bottom and be close to the outward flange and be close to breach edge and set up the third viscose layer.
Furthermore, one end face of the third adhesive layer is attached to the PET low-melting-point sound-absorbing cotton layer, and the other end face of the third adhesive layer is provided with environment-friendly adhesive paper.
Furthermore, the environment-friendly adhesive tape is far away from one side of the PET low-melting-point sound absorption cotton layer and is provided with an easy-tearing structure.
Further, easily tear the structure including laminating in laminating portion on leaving the type rete and set up the portion of easily tearing in laminating portion, easily tear a fixed setting in the middle of laminating portion of intermediate position.
Further, the needling sound absorption cotton layer: the layer is mainly used for absorbing low-frequency noise generated when the vehicle idles and isolating heat generated when the engine runs; the material is needling sound-absorbing cotton, has stable and reliable heat insulation performance, does not contain CFC (carbon fiber reinforced plastics), HCFC (HCFC), fiber or dust particles, has good sound insulation and vibration reduction performance, high compression rebound rate and fire resistance and flame retardance.
Further, the sound cotton layer is inhaled to PET low melting point adopts the low melting point to inhale the sound cotton, and specific advantage is as follows:
firstly, the layer mainly plays a role in absorbing high-frequency noise generated when the vehicle runs at a high speed and isolating heat generated during the running of an engine;
secondly, the material is low-melting-point sound-absorbing cotton, the material is green and environment-friendly, fiber and dust are avoided, the material does not absorb water, the structure does not change after the material is dried after water enters, the acoustic performance is stable, the material has good mechanical performance relative to high-density high-flow resistance, and a certain sound insulation effect can be provided;
thirdly, the material does not volatilize organic gas, and toxic smoke gas is not generated when meeting fire; the fireproof and flame-retardant bag is fireproof and flame-retardant, so that when a dangerous condition occurs, the fire condition can be effectively relieved, and precious escape time is provided for passengers;
fourth, can fill to the panel beating corrugated surface (there is unevenness's problem in the panel beating that engine compartment outer and driver's cabin floor adopted) for the panel beating is made level naturally, produces cavity sympathetic response, resonance phenomenon when effectively preventing that the vehicle from traveling.
Furthermore, the composite main body is of an integrated structure, the multilayer composite carpet is formed by compression molding, specifically, required layer structures are firstly uniformly compounded into the composite main body, and then the multilayer composite carpet structure is formed by the compression molding mode, and the selected material has excellent functions and is environment-friendly and meets the standard of the passenger car industry; not only can solve the interior noise of car big, the not obvious scheduling problem of fire-retardant thermal-insulated effect, when promoting whole car NVH, it is swift convenient that the installation of product is laid, effectively shortens vehicle production time, optimizes production technology, improves production efficiency, and compound main part adopts the integral type structure, and the material need not to tailor the concatenation, and the direct mount, easy operation, convenient, the product wholeness is good simultaneously, and is sealed pleasing to the eye.
The utility model discloses a through compound acupuncture inhale cotton layer and PET low melting point inhale cotton layer of sound, under the vehicle idling condition and the high-speed condition of traveling, to low frequency and high frequency noise, the vibration has good suppression, absorption, the effect that weakens step by step, has good separation effect to isolating the heat source; therefore, the multi-layer composite carpet structure of the utility model mainly absorbs noise and simultaneously isolates heat, thereby effectively reducing the noise pollution of cities.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it.
Wherein:
FIG. 1 is a partial cross-sectional view of a multi-layered composite carpet of the present invention;
FIG. 2 is a schematic structural view of the multi-layer composite carpet of the present invention;
FIG. 3 is a schematic view of the easy-tear structure of the present invention;
fig. 4 is a side view of the easy-tear structure of the present invention.
Description of reference numerals:
10. a PVC leather layer; 20. needling the sound-absorbing cotton layer; 30. a PET low-melting-point sound-absorbing cotton layer; 40. a first adhesive layer; 50. a second adhesive layer; 60. a third adhesive layer; 70. environmental protection gummed paper; 80. an easy-to-tear structure; 81. a bonding section; 82. an easy-to-tear portion; 90. And (4) a notch.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Please refer to fig. 1 to 4, which are a multi-layer composite carpet structure according to a preferred embodiment of the present invention, mainly disposed outside the engine compartment of the minibus and on the floor of the driving area, for absorbing sound and reducing noise and insulating heat in the engine compartment of the minibus, the multi-layer composite carpet structure includes a composite main body, the composite main body includes a PVC leather layer 10, a needling sound-absorbing cotton layer 20 and a PET low-melting sound-absorbing cotton layer 30, the needling sound-absorbing cotton layer 20 and the PVC leather layer 10 are sequentially disposed from the engine compartment, the needling sound-absorbing cotton layer 20 is 10mm thick, the PET low-melting sound-absorbing cotton layer 30 is 10mm thick, and the PVC leather layer 10 is 2mm thick.
When the composite main body of the utility model is compounded, a first viscose layer 40 is arranged between the PVC leather layer 10 and the acupuncture sound-absorbing cotton layer 20; a second adhesive layer 50 is disposed between the needle-punched sound-absorbing cotton layer 20 and the PET low-melting-point sound-absorbing cotton layer 30.
Wherein, PVC leather layer 10 comprises coating, wearing layer, printing layer, glass fibre layer, non-woven fabrics back layer, and non-woven fabrics back layer, glass fibre layer, printing layer, wearing layer and coating are outwards set gradually from acupuncture sound absorption cotton layer 20. Specifically, the coating possesses high abrasion, outstanding antipollution), the wearing layer adopts calendering formula technology, can make its PVC purity high, the environmental protection is fine and close, peel strength is high, increase the durability of product, the printing layer adopts the direct printing technique, the design is more clear, the color reduction degree is high, fine layer adoption flocculent glass of glass, can the non-directional atress, contain the incombustibility interlayer, increase product fire behavior, the non-woven fabrics backing layer can multiplicable volume of inhaling glue, strengthen leather layer and the acupuncture and inhale cotton layer 20 adhesive force of sound, the roughness of whole compound main part of better modification, the feel is better, and whole compound main part fire prevention flame retardant grade is high, do not contain harmful substance, each item environmental protection index all is superior to the industry standard.
The composite main body is provided with a notch 90 for avoiding, and the third viscose layer 60 is arranged at the bottom of the composite main body and close to the outer edge and the edge close to the notch 90. One end face of the third adhesive layer 60 is attached to the PET low melting point sound absorbing cotton layer 30, and the other end face is provided with the environmental protection adhesive tape 70. The surface of the environmental protection adhesive tape 70, which is far away from the PET low-melting-point sound absorption cotton layer 30, is provided with an easy-tearing structure 80. Specifically, easily tear structure 80 including the laminating in laminating portion 81 on leaving the type rete and set up the portion 82 that easily tears on laminating portion 81, easily tear the fixed setting in the middle of laminating portion 81 of 82 intermediate position, the appearance that easily tears portion 82 is unanimous with the appearance of laminating portion 81, and is concrete can set up easily tearing structure 80 in leaving a certain position of type rete, can be convenient for separate from the type rete. Before use, the easy-tearing part 82 is tightly attached to the attaching part 81; when the tearing-off device is used, the two ends of the easy-to-tear part 82 are drawn close to the middle, the release film layer can be torn off by applying force lightly, and the tearing-off device is simple to operate, quick and convenient.
Needling the sound absorbing cotton layer 20: the layer is mainly used for absorbing low-frequency noise generated when the vehicle idles and isolating heat generated when the engine runs; the material is 1.2 Kg/square meter of acupuncture sound-absorbing cotton, has stable and reliable heat insulation performance, does not contain CFC and HCFC, and has no fiber and dust particles, good sound insulation and vibration reduction performance, high compression rebound rate, fire resistance and flame retardance.
The PET low-melting-point sound-absorbing cotton layer 30 has the following specific advantages that:
firstly, the layer mainly plays a role in absorbing high-frequency noise generated when the vehicle runs at a high speed and isolating heat generated during the running of an engine;
secondly, the material is low-melting-point sound-absorbing cotton, the material is green and environment-friendly, fiber and dust are avoided, the material does not absorb water, the structure does not change after the material is dried after water enters, the acoustic performance is stable, the material has good mechanical performance relative to high-density high-flow resistance, and a certain sound insulation effect can be provided;
thirdly, the material does not volatilize organic gas, and toxic smoke gas is not generated when meeting fire; the fireproof and flame-retardant bag is fireproof and flame-retardant, so that when a dangerous condition occurs, the fire condition can be effectively relieved, and precious escape time is provided for passengers;
fourth, can fill to the panel beating corrugated surface (there is unevenness's problem in the panel beating that engine compartment outer and driver's cabin floor adopted) for the panel beating is made level naturally, produces cavity sympathetic response, resonance phenomenon when effectively preventing that the vehicle from traveling.
The utility model discloses because the panel beating face on car engine compartment outer and driver's cabin floor is crooked miscellaneous face, and the unable monoblock is complete lays, and the material is of a great variety, needs a installer piece, cuts out layer upon layer, spouts to glue and lays, and the process is numerous and diverse, and is consuming time hard, splices one by one moreover and lays and to leave the gap for lay incompletely, the effect performance is not obvious, and product property can discount. Therefore, the composite main body is of an integrated structure, the multilayer composite carpet is formed by compression molding, specifically, required layer structures are firstly unified and compounded into the composite main body, and then the multilayer composite carpet structure is formed by the compression molding mode, and the selected material has superior functions and is environment-friendly and meets the standard of the passenger car industry; not only can solve the interior noise of car big, the not obvious scheduling problem of fire-retardant thermal-insulated effect, when promoting whole car NVH, it is swift convenient that the installation of product is laid, effectively shortens vehicle production time, optimizes production technology, improves production efficiency, and compound main part adopts the integral type structure, and the material need not to tailor the concatenation, and the direct mount, easy operation, convenient, the product wholeness is good simultaneously, and is sealed pleasing to the eye.
To sum up, the utility model discloses a through compound acupuncture inhale sound cotton layer and PET low melting point inhale sound cotton layer, under the vehicle idling condition and the high-speed condition of traveling, to low frequency and high frequency noise, vibration has good suppression, absorption, the effect that weakens gradually, has good separation effect to the isolated heat source; therefore, the multi-layer composite carpet structure of the utility model mainly absorbs noise and simultaneously isolates heat, thereby effectively reducing the noise pollution of cities.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (9)
1. The utility model provides a compound carpet structure of multilayer for well bus engine compartment inhale the sound and fall and make an uproar, a serial communication port, including compound main part, compound main part includes PVC leather layer (10), acupuncture and inhales cotton layer (20) of sound and PET low melting point and inhale cotton layer (30), PET low melting point inhales cotton layer (30), acupuncture and inhales cotton layer (20) of sound and PVC leather layer (10) and outwards sets gradually from the engine compartment, acupuncture is inhaled cotton layer (20) thickness and is 10mm, PET low melting point inhales cotton layer (30) thickness and is 10mm, PVC leather layer (10) thickness is 2 mm.
2. A multi-layer composite carpet structure according to claim 1, characterized in that a first adhesive layer (40) is provided between the PVC leather layer (10) and the needle-punched acoustic cotton layer (20).
3. A multi-layer composite carpet construction according to claim 1, characterized in that a second adhesive layer (50) is provided between the needle-punched acoustic cotton layer (20) and the PET low melting acoustic cotton layer (30).
4. The multi-layer composite carpet structure according to claim 1, wherein the PVC leather layer (10) is composed of a coating layer, an abrasion resistant layer, a printing layer, a glass fiber layer, and a non-woven fabric back layer, and the non-woven fabric back layer, the glass fiber layer, the printing layer, the abrasion resistant layer, and the coating layer are sequentially disposed from the needling sound absorption cotton layer (20) to the outside.
5. A multi-layer composite carpet structure according to claim 1, characterized in that the composite body is provided with an escape notch (90), and that the third adhesive layer (60) is provided at the bottom of the composite body near the outer edge and near the edge of the notch (90).
6. The carpet structure of claim 5, wherein the third adhesive layer (60) is attached to the PET low melting point sound-absorbing cotton layer (30) at one end and the environmental adhesive paper (70) is disposed at the other end.
7. The carpet structure of claim 6, wherein the environmental adhesive paper (70) is provided with a tear-off structure (80) on the side away from the PET low melting point sound absorption cotton layer (30).
8. The multilayer composite carpet structure of claim 7, characterized in that the easy-tearing structure (80) comprises a bonding portion (81) bonded on the release film layer and an easy-tearing portion (82) arranged on the bonding portion (81), and the middle position of the easy-tearing portion (82) is fixedly arranged in the middle of the bonding portion (81).
9. The multilayer composite carpet structure of claim 1, wherein the composite body is a unitary structure formed by compression molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021812116.2U CN213322132U (en) | 2020-08-26 | 2020-08-26 | Multilayer composite carpet structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021812116.2U CN213322132U (en) | 2020-08-26 | 2020-08-26 | Multilayer composite carpet structure |
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| CN213322132U true CN213322132U (en) | 2021-06-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474909A (en) * | 2022-01-27 | 2022-05-13 | 广东汇天航空航天科技有限公司 | Flame-retardant carpet substrate layer and flame-retardant carpet |
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2020
- 2020-08-26 CN CN202021812116.2U patent/CN213322132U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474909A (en) * | 2022-01-27 | 2022-05-13 | 广东汇天航空航天科技有限公司 | Flame-retardant carpet substrate layer and flame-retardant carpet |
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