All-water-based soft foaming heat preservation and noise reduction structure of whole automobile

By introducing all-water-based soft foam materials and buffer blocks into the automotive insulation and noise reduction structure, combined with flame-retardant foam layers, the problem of poor impact resistance has been solved, achieving better impact resistance, flame retardancy, antistatic properties, and noise reduction effects, extending service life, and purifying the air.

CN223720349UActive Publication Date: 2025-12-26JIANGSU JINYU ANTICORROSION TECH CO LTD
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Patent Information

Application Number
CN202422929491.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-26
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing automotive insulation and noise reduction structures have poor impact resistance and are easily damaged by impacts, affecting their service life.

Method used

It adopts a structure consisting of a water-based soft foam material layer, a buffer layer, and a buffer block, combined with a flame-retardant foam layer, an antistatic layer, and a sound-absorbing layer to enhance the structure's buffering, antistatic, and sound-absorbing performance.

Benefits of technology

It improves the impact resistance of the thermal insulation and noise reduction structure, extends its service life, enhances flame retardancy, antistatic properties and noise reduction, and purifies air quality.

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Abstract

The utility model discloses a whole automobile water-based soft foaming heat preservation and noise reduction structure, which relates to the field of heat preservation and noise reduction structures and comprises a base material layer, first sound absorption layers are arranged at the top and the bottom of the base material layer, and second sound absorption layers are arranged on the first sound absorption layers. Buffer layers are fixedly adhered to the top of one second sound absorption layer and the bottom of the second sound absorption layer on the other side through an adhesive. According to the heat preservation and noise reduction structure, the first buffer block, the second buffer block and the buffer layer are arranged, the first buffer block and the second buffer block can deform after being stressed and then can be compressed, so that impact force can be buffered, the noise reduction structure is prevented from being damaged due to serious impact, the protection effect on the heat preservation and noise reduction structure is improved, and the service life of the heat preservation and noise reduction structure is prolonged. And the first buffer block, the second buffer block and the buffer layer are all made of silica gel materials, so that after the impact force is eliminated, the first buffer block and the second buffer block can be recovered, and the buffer effect can be continuously achieved next time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heat preservation and noise reduction structure, specifically to a whole water base soft foaming heat preservation and noise reduction structure of automobile whole vehicle. BACKGROUND

[0002] With the rapid development of science and technology, the car is becoming an indispensable means of transportation, and is used very frequently and universally. The inner wall of the car is generally provided with a heat preservation and noise reduction structure, and the sound-absorbing cotton in the noise reduction structure is the most important component of the automobile noise reduction and silencing part.

[0003] According to the announcement number CN216466597U, a kind of automobile sound-absorbing cotton is disclosed, the sound-absorbing cotton main body has multilayer sound-absorbing structure, so that the automobile sound-absorbing cotton of this utility model is better, aluminum foil layer has the effect of heat insulation, can avoid outside hot air and cold air exchange in vehicle, simultaneously cooperate vacuum board layer and asbestos layer, can further play the role of heat insulation.

[0004] For the above-mentioned patent content, since the heat preservation and noise reduction structure is installed in the car, when the passengers get on and off the car or take the items on the car, it may collide with the heat preservation and noise reduction structure. The heat preservation and noise reduction structure will be severely deformed by impact, and the impact resistance of the heat preservation and noise reduction structure is poor, which makes it difficult to buffer the impact force, and the heat preservation and noise reduction structure will be damaged after a long time, thereby reducing the service life of the heat preservation and noise reduction structure. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims to provide a whole water base soft foaming heat preservation and noise reduction structure of automobile whole vehicle to solve the technical problem of poor impact resistance of the heat preservation and noise reduction structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a whole water base soft foaming heat preservation and noise reduction structure of automobile whole vehicle, including base material layer, the top and bottom of the base material layer are provided with first sound-absorbing layer, and the first sound-absorbing layer is provided with second sound-absorbing layer, the top of one layer of second sound-absorbing layer and the bottom of another layer of second sound-absorbing layer are fixedly bonded with buffer layer through adhesive, and the buffer layer is provided with buffer cavity, the inner part of the buffer cavity is respectively provided with first buffer block and second buffer block, and the top of one layer of buffer layer and the bottom of another layer of buffer layer are fixedly bonded with whole water base soft foaming material layer through adhesive.

[0007] Through the above technical scheme, the first buffer block and the second buffer block will be deformed after being stressed, and then compressed to buffer the impact force and improve the protection effect of the heat preservation and noise reduction structure.

[0008] Further, the whole water base soft foaming material layer is fixedly bonded with flame-retardant foaming layer through adhesive.

[0009] By adopting the above technical scheme, the flame-retardant foaming layer can increase the flame-retardant performance of the heat preservation and noise reduction structure, and avoid combustion of the automobile sound-absorbing cotton due to high temperature.

[0010] Further, the bottom of one of the flame-retardant foaming layers and the bottom of the other of the flame-retardant foaming layers are fixedly bonded with an antistatic layer by an adhesive.

[0011] By adopting the above technical scheme, the antistatic layer can have an antistatic effect, thereby improving the use effect of the noise reduction structure.

[0012] Further, the top of one of the antistatic layers and the bottom of the other of the antistatic layers are provided with an adsorption layer made of bamboo charcoal fiber.

[0013] By adopting the above technical scheme, the bamboo charcoal fiber has a certain effect of eliminating odor, thereby purifying the air quality inside the automobile.

[0014] Further, the base material layer is an aluminum foil layer, and the thickness of the base material layer is greater than the thicknesses of the first sound-absorbing layer and the second sound-absorbing layer.

[0015] By adopting the above technical scheme, the aluminum foil layer has a heat insulation and heat preservation effect, and can avoid exchange of external hot air and cold air inside the vehicle.

[0016] Further, the first sound-absorbing layer and the second sound-absorbing layer are made of mine asbestos fiber.

[0017] By adopting the above technical scheme, the first sound-absorbing layer and the second sound-absorbing layer can have a sound-absorbing effect, thereby improving the noise reduction effect of the noise reduction structure.

[0018] Further, the buffer layer, the first buffer block and the second buffer block are made of silica gel material.

[0019] By adopting the above technical scheme, the buffer layer, the first buffer block and the second buffer block improve the buffering effect of the noise reduction structure.

[0020] Further, the first buffer block and the second buffer block are connected, and the first buffer block and the second buffer block are in a trapezoidal shape.

[0021] By adopting the above technical scheme, the first buffer block and the second buffer block can have a buffering effect, preventing the noise reduction structure from being severely deformed and damaged when subjected to a large impact.

[0022] Further, the thickness of the adsorption layer is greater than the thickness of the antistatic layer, and the thickness of the full-water-based soft foaming material layer is greater than the thickness of the buffer layer.

[0023] By adopting the above technical scheme, the full-water-based soft foaming material layer has a heat preservation effect, thereby improving the heat preservation performance of the whole noise reduction structure.

[0024] To sum up, the utility model mainly has the following beneficial effects:

[0025] The first buffer block and the second buffer block are deformed after being stressed, and are compressed in turn, so as to buffer the impact force, prevent the noise reduction structure from being damaged by serious impact, improve the protection effect of the heat preservation and noise reduction structure, prolong the service life, and because the first buffer block, the second buffer block and the buffer layer are all made of silica gel material, the first buffer block and the second buffer block can restore after the impact force is eliminated, and the buffering effect can be continued next time. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole structure schematic view of the utility model;

[0027] Figure 2 It is a base material layer front cut structure schematic view of the utility model;

[0028] Figure 3 It is a second buffer block structure schematic view of the utility model;

[0029] Figure 4 It is a whole structure schematic view of the utility model; Figure 2 It is an enlarged structure schematic view of A place in the utility model.

[0030] In the drawing: 1, base material layer;2, first sound-absorbing layer;3, second sound-absorbing layer;4, buffer layer;5, full-water-based soft foaming material layer;6, flame-retardant foaming layer;7, antistatic layer;8, adsorption layer;9, buffer cavity;10, first buffer block;11, second buffer block. DETAILED DESCRIPTION

[0031] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used for explaining the utility model, and cannot be understood as limiting the utility model.

[0032] The embodiments will be described according to the whole structure of the utility model.

[0033] Embodiment one:

[0034] A full-water-based soft foaming heat preservation and noise reduction structure for a whole vehicle, like Figures 1-4As shown, including the substrate layer 1, the top and bottom of the substrate layer 1 is provided with the first sound-absorbing layer 2, and the first sound-absorbing layer 2 is provided with the second sound-absorbing layer 3, the top of one layer of the second sound-absorbing layer 3 and the bottom of the other side of the second sound-absorbing layer 3 are fixedly bonded with the buffer layer 4 through the adhesive, and the buffer layer 4 is provided with the buffer cavity 9, the inner part of the buffer cavity 9 is respectively provided with the first buffer block 10 and the second buffer block 11, the first buffer block 10 and the second buffer block 11 will be deformed after being stressed, and then will be compressed, so as to buffer the impact force received, improve the protection effect of the heat preservation and noise reduction structure, the first sound-absorbing layer 2 and the second sound-absorbing layer 3 are made of mine stone wool fiber, the first sound-absorbing layer 2 and the second sound-absorbing layer 3 can play a sound-absorbing role, thereby improving the noise reduction effect of the noise reduction structure.

[0035] Referring to Figures 1-4 The buffer layer 4, the first buffer block 10 and the second buffer block 11 are made of silica gel material, the setting of the buffer layer 4, the first buffer block 10 and the second buffer block 11 improves the buffering effect of the noise reduction structure, the first buffer block 10 is connected with the second buffer block 11, the first buffer block 10 and the second buffer block 11 are in trapezoidal shape, the setting of the first buffer block 10 and the second buffer block 11 can play a buffering role, preventing the noise reduction structure from being severely deformed and damaged when subjected to a large impact, the thickness of the full water-based soft foam material layer 5 is greater than the thickness of the buffer layer 4, the full water-based soft foam material layer 5 has a heat preservation effect, thereby improving the overall heat preservation performance of the noise reduction structure.

[0036] Referring to Figures 2-3 The top of one layer of the buffer layer 4 and the bottom of the other layer of the buffer layer 4 are fixedly bonded with the full water-based soft foam material layer 5 through the adhesive, the full water-based soft foam material layer 5 is fixedly bonded with the flame-retardant foam layer 6 through the adhesive, the flame-retardant foam layer 6 can increase the flame-retardant performance of the heat preservation and noise reduction structure, avoiding the combustion of the automobile sound-absorbing cotton due to high temperature, the bottom of one layer of the flame-retardant foam layer 6 and the bottom of the other layer of the flame-retardant foam layer 6 are fixedly bonded with the antistatic layer 7 through the adhesive, the antistatic layer 7 can play an antistatic effect, thereby improving the use effect of the noise reduction structure.

[0037] Example two:

[0038] On the basis of the above-mentioned example one, in order to improve the heat preservation performance of the heat preservation and noise reduction structure, the following settings will be made.

[0039] Specifically, the substrate layer 1 is an aluminum foil layer, the thickness of the substrate layer 1 is greater than the thickness of the first sound-absorbing layer 2 and the second sound-absorbing layer 3, the aluminum foil layer has a heat insulation and heat preservation effect, which can avoid the exchange of external hot air and indoor cold air, thereby improving the overall heat preservation effect of the noise reduction structure.

[0040] Example three:

[0041] On the basis of the above embodiment one, in order to make the heat preservation and noise reduction structure in the car has the effect of eliminating peculiar smell, will be set by the following structure.

[0042] Referring to Figures 2-3 The top of the first anti-static layer 7 and the bottom of the second anti-static layer 7 are provided with adsorption layers 8 made of bamboo charcoal fibers, which have the effect of eliminating peculiar smell, thereby purifying the air quality inside the car.

[0043] The working principle of the utility model is as follows: firstly, the first sound-absorbing layer 2 and the second sound-absorbing layer 3 can play a sound-absorbing role, thereby improving the noise reduction effect of the noise reduction structure; the aluminum foil layer has the effect of heat insulation and heat preservation, which can avoid the exchange of external hot air and internal cold air; the full water-based soft foaming material layer 5 has the effect of heat preservation, thereby improving the overall heat preservation performance of the noise reduction structure; the adsorption layer 8 is made of bamboo charcoal fiber material and has the effect of eliminating peculiar smell, thereby purifying the air quality inside the car; the anti-static layer 7 can play the effect of anti-static, thereby improving the use effect of the noise reduction structure; and the flame-retardant foaming layer 6 can increase the flame-retardant performance of the heat preservation and noise reduction structure, thereby avoiding the combustion of the car sound-absorbing cotton due to high temperature.

[0044] When the heat preservation and noise reduction structure is impacted, the first buffer block 10 and the second buffer block 11 will deform under stress, thereby being compressed, so as to buffer the impact force, prevent the noise reduction structure from being damaged due to severe impact, and since the first buffer block 10, the second buffer block 11 and the buffer layer 4 are all made of silica gel material, the first buffer block 10 and the second buffer block 11 will also recover after the impact force is eliminated.

[0045] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make non-creative modifications, replacements and modifications of the embodiments according to the needs after reading the specification without departing from the principles and purposes of the utility model, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A full water-based soft foaming heat preservation and noise reduction structure for a whole vehicle, comprising a base material layer (1), characterized in that: The top and bottom of the substrate layer (1) are provided with the first sound-absorbing layer (2), and the first sound-absorbing layer (2) is provided with the second sound-absorbing layer (3), the top of one of the second sound-absorbing layer (3) and the bottom of the other second sound-absorbing layer (3) are fixedly bonded with the buffer layer (4) by the adhesive, and the buffer layer (4) is provided with the buffer cavity (9), the inner part of the buffer cavity (9) is respectively provided with the first buffer block (10) and the second buffer block (11), the top of one of the buffer layer (4) and the bottom of the other buffer layer (4) are fixedly bonded with the full water-based soft foam material layer (5) by the adhesive. ​ 2. The full water-based soft foaming thermal and noise reduction structure for a complete vehicle according to claim 1, characterized in that: The full water-based soft foam material layer (5) is fixedly bonded with the flame-retardant foaming layer (6) by the adhesive.

3. The full water-based soft foaming thermal and noise reduction structure for a complete vehicle according to claim 2, characterized in that: The bottom of one of the flame-retardant foaming layer (6) and the bottom of the other flame-retardant foaming layer (6) are fixedly bonded with the antistatic layer (7) by the adhesive.

4. The full water-based soft foaming thermal and noise reduction structure for a complete vehicle according to claim 3, characterized in that: The top of one of the antistatic layer (7) and the bottom of the other antistatic layer (7) are provided with the adsorption layer (8), and the adsorption layer (8) is made of bamboo charcoal fiber.

5. The full water-based soft foaming thermal and noise reduction structure for a complete vehicle according to claim 1, characterized in that: The substrate layer (1) is an aluminum foil layer, and the thickness of the substrate layer (1) is greater than the thickness of the first sound-absorbing layer (2) and the second sound-absorbing layer (3).

6. The full water-based soft foaming thermal and noise reduction structure for a complete vehicle according to claim 1, characterized in that: The first sound-absorbing layer (2) and the second sound-absorbing layer (3) are made of mine asbestos fiber.

7. The full water-based soft foaming thermal and noise reduction structure for a complete vehicle according to claim 1, characterized in that: The buffer layer (4), the first buffer block (10) and the second buffer block (11) are made of silica gel material.

8. The full water-based soft foaming thermal and noise reduction structure for a complete vehicle according to claim 1, characterized in that: The first buffer block (10) and the second buffer block (11) are connected, and the first buffer block (10) and the second buffer block (11) are trapezoidal.

9. The full water-based soft foaming thermal and noise reduction structure for a complete vehicle according to claim 4, characterized in that: The thickness of the adsorption layer (8) is greater than the thickness of the antistatic layer (7), and the thickness of the full water-based soft foam material layer (5) is greater than the thickness of the buffer layer (4).

Citation Information

Patent Citations

  • Automobile sound-absorbing cotton

    CN216466597U