CN210284139U - Sound insulation cotton plate for automobile trunk - Google Patents
Sound insulation cotton plate for automobile trunk Download PDFInfo
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- CN210284139U CN210284139U CN201921001965.7U CN201921001965U CN210284139U CN 210284139 U CN210284139 U CN 210284139U CN 201921001965 U CN201921001965 U CN 201921001965U CN 210284139 U CN210284139 U CN 210284139U
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 42
- 238000009413 insulation Methods 0.000 title claims description 65
- 239000004964 aerogel Substances 0.000 claims abstract description 21
- 239000011347 resin Substances 0.000 claims abstract description 12
- 229920005989 resin Polymers 0.000 claims abstract description 12
- 239000008187 granular material Substances 0.000 claims abstract description 11
- 238000005187 foaming Methods 0.000 claims abstract description 10
- 238000010521 absorption reaction Methods 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
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- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 17
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- 239000011248 coating agent Substances 0.000 description 5
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Images
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- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The utility model discloses a car boot soundproof cotton board, concretely relates to auto-parts technical field, including first panel, first panel one side is provided with the third panel, be provided with the second panel between first panel and the third panel, first panel, second panel and third panel inside all are provided with netted skeleton, the inside soundproof unit that is provided with of netted skeleton. The utility model discloses a be equipped with first sound-proof unit, second sound-proof unit and third sound-proof unit, first sound-proof unit intussuseption is filled with the aerogel granule, the sound velocity that can tentatively noise absorption and noise reduction propagated, and the aerogel granule also possesses the nature of gel, can reach thermal-insulated fire-retardant effect, second sound-proof unit intussuseption is filled with and inhales the sound cotton, good sound effect of inhaling has, further noise reduction's propagation, inhale the heat that produces in the cotton working process of sound, porous structure in the accessible foaming resin gives off, thereby reach the radiating effect.
Description
Technical Field
The utility model relates to an auto-parts technical field, more specifically say, the utility model relates to a car boot soundproof cotton board.
Background
The influence of noise on human health is manifold, and the noise acts on the central nervous system of human, so that the excitation and the inhibition balance of cerebral cortex of human are disordered, conditioned reflex is abnormal, and cerebral vascular tension is damaged. The noise also has serious adverse effects on digestive system and cardiovascular system, and can cause dyspepsia, inappetence, nausea and emesis, thereby causing the increase of the morbidity of gastropathy and gastric ulcer, and obviously increasing the morbidity of hypertension, arteriosclerosis and coronary heart disease compared with the normal condition. Noise can also adversely affect the visual organs. On the other hand, the noise of the automobile not only increases the fatigue of the driver and the passengers, but also affects the driving safety of the automobile. As an important evaluation index of the riding comfort of the automobile, the noise of the automobile can reflect the design level and the process level of manufacturers to a great extent. Therefore, it is also the direction sought by automobile designers to control the noise of automobiles to a minimum level.
Patent application publication No. CN 203221951U's utility model discloses an automobile sound insulation panel, including first panel, second panel and the soundproof cotton of setting between first panel and second panel, be provided with the fossil fragments on the first panel, wherein, fossil fragments and first panel are injection moulding once, fossil fragments criss-cross form latticed structure, and every latticed sound insulation unit that has hollow structure that forms, soundproof cotton fills in the sound insulation unit, still include with the connecting device that first panel and second panel connect each other.
However, in actual use, the sound-absorbing cotton converts mechanical energy into heat energy, so that the traditional sound-insulating damping plate has poor heat dissipation effect, long service life and poor sound insulation effect.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides an automobile trunk soundproof cotton board, the utility model discloses a be equipped with first sound insulation unit, second sound insulation unit and third sound insulation unit, first sound insulation unit intussuseption is filled with the aerogel granule, the sound velocity that can tentatively absorbed noise and noise reduction propagated, and the aerogel granule also has the nature of gel, can reach thermal-insulated fire-retardant effect, second sound insulation unit intussuseption is filled with inhales the sound cotton, excellent sound-absorbing effect has, further noise reduction's propagation, inhale the heat that produces in the cotton working process of sound, porous structure in the accessible foaming resin gives off, thereby reach the radiating effect.
In order to achieve the above object, the utility model provides a following technical scheme: a soundproof cotton board for an automobile trunk comprises a first panel, wherein a third panel is arranged on one side of the first panel, a second panel is arranged between the first panel and the third panel, net-shaped frameworks are arranged in the first panel, the second panel and the third panel, and soundproof units are arranged in the net-shaped frameworks;
the sound insulation unit comprises a first sound insulation unit, a second sound insulation unit and a third sound insulation unit, the first sound insulation unit is positioned inside the first panel, the second sound insulation unit is positioned inside the second panel, the third sound insulation unit is positioned inside the third panel, and the second panel is made of a foaming resin material;
the inside aerogel granule that is provided with of first sound insulation unit, the inside sound cotton of inhaling that is provided with of second sound insulation unit, the inside sound ball that insulates against sound that is provided with of third sound insulation unit, sound ball inside sets up for the vacuum.
In a preferred embodiment, the second panel has two side mesh frameworks each provided with a limiting block, the first panel and the third panel have one side mesh framework each provided with a limiting groove, and the limiting blocks correspond to the limiting grooves.
In a preferred embodiment, a fixing net is arranged inside the sound insulation unit, the fixing net is woven by a nylon material, and the fixing net wraps the sound insulation unit.
In a preferred embodiment, the first panel and the third panel are provided with a fireproof coating on the side far away from the second panel, and the fireproof coating is uniformly sprayed on the surfaces of the first panel and the third panel.
In a preferred embodiment, the first, second and third panels and the mesh skeleton are injection molded.
In a preferred embodiment, the aerogel particles and the soundproof balls are adhered to each other in a block shape by an adhesive.
In a preferred embodiment, the first sound-insulating unit and the third sound-insulating unit are arranged to be staggered with respect to the second sound-insulating unit.
In a preferred embodiment, the sound-absorbing cotton is made of a polyester fiber material.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a be equipped with first sound-proof unit, second sound-proof unit and third sound-proof unit, first sound-proof unit intussuseption is filled with the aerogel granule, can tentatively absorb the noise and reduce the sound velocity that the noise propagated, and the aerogel granule also has the nature of gel, can reach thermal-insulated fire-retardant effect, second sound-proof unit intussuseption is filled with and inhales the sound cotton, excellent sound-absorbing effect has, further the propagation of noise reduction, inhale the heat that produces in the cotton working process of sound, porous structure in the foamable resin distributes, thereby reach the radiating effect, in order to prolong the life who inhales the sound cotton, the sound-proof ball is mutual crisscross to be overlapped and to adhere and form the puigging, and the sound-proof ball inside is vacuum setting, make it effectively block the propagation of noise, the sound-proof ball is made by fire-retardant rubber;
2. the utility model discloses a be equipped with the stopper, second panel both sides all are fixed with the stopper, stopper and the spacing groove looks block on first panel and the third panel, it is more firm to make to be connected between first panel and third panel and the second panel, structural strength is higher, fire protection coating has been paintd on first panel and third panel surface, thereby further improve the fire behavior of this panel, promote the security of car, the inside fixed network of sound insulation unit can be with inhaling the sound cotton, soundproof ball and aerogel granule are fixed inside the sound insulation unit, the stability of connection is improved.
Drawings
Fig. 1 is a schematic view of the separation structure of the first panel, the second panel and the third panel of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
Fig. 3 is a schematic view of the first panel, the second panel and the third panel of the present invention.
Fig. 4 is a schematic view of the local enlarged structure of the fixing net of the present invention.
Fig. 5 is a perspective view of a third panel structure of the present invention.
The reference signs are: 1 first panel, 2 third panels, 3 second panels, the netted skeleton of 4, 5 first syllable-dividing units, 6 second syllable-dividing units, 7 third syllable-dividing units, 8 aerogel particles, 9 inhale the sound cotton, 10 sound-proof balls, 11 stopper, 12 spacing grooves, 13 fixed nets, 14 fire protection coating.
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 provides an automobile trunk sound insulation cotton board, including first panel 1, first panel 1 one side is provided with third panel 2, be provided with second panel 3 between first panel 1 and third panel 2, first panel 1, second panel 3 and third panel 2 are inside all to be provided with netted skeleton 4, the inside sound insulation unit that is provided with of netted skeleton 4;
the sound insulation unit comprises a first sound insulation unit 5, a second sound insulation unit 6 and a third sound insulation unit 7, wherein the first sound insulation unit 5 is positioned inside the first panel 1, the second sound insulation unit 6 is positioned inside the second panel 3, the third sound insulation unit 7 is positioned inside the third panel 2, and the second panel 3 is made of a foaming resin material;
first sound-proof unit 5 is inside to be provided with aerogel granule 8, second sound-proof unit 6 is inside to be provided with inhales sound cotton 9, third sound-proof unit 7 is inside to be provided with sound proof ball 10, sound proof ball 10 is inside to be the vacuum setting.
As shown in fig. 1 to 5, the embodiment specifically is: when the noise passes through the first panel 1, because the first sound-proof unit 5 inside the first panel 1 is filled with the aerogel particles 8, the medium inside the aerogel particles 8 which are in a space net structure is gas, which can primarily absorb the noise and reduce the sound velocity of the noise propagation, and the aerogel particles 8 also have the property of gel, thereby achieving the functions of heat insulation and flame retardance, when the noise passes through the second panel 3, because the second sound-proof unit 6 inside the second panel 3 is filled with the sound-absorbing cotton 9, the porous structure of the sound-absorbing cotton 9 itself has excellent sound-absorbing effect, further reducing the noise propagation, because the second panel 3 is made of the foaming resin, the porous structure of the foaming resin is not only favorable for the friction loss of the sound wave energy, but also has the functions of noise reduction and vibration reduction, because the porous structure of the foaming resin is communicated with the outside, the heat generated in the working process of the sound-absorbing cotton 9 is enabled, porous structure in the accessible expanded resin gives off, thereby reach the radiating effect, in order to prolong the life of inhaling sound cotton 9, when the noise passed third panel 2, because the intussuseption of the inside third sound insulation unit 7 of third panel 2 is filled with sound insulating ball 10, sound insulating ball 10 crisscross the adhesion each other and form the puigging, and sound insulating ball 10 is inside to set up for the vacuum, make its propagation that can effectively block the noise, sound insulating ball 10 is made by flame retardant rubber, flame retardant efficiency has, the security performance is improved.
The two sides of the second panel 3 are provided with limiting blocks 11 on the reticular frameworks 4, the first panel 1 and the third panel 2 are provided with limiting grooves 12 on the reticular frameworks 4, the limiting blocks 11 correspond to the limiting grooves 12, the sound insulation unit is internally provided with a fixing net 13, the fixing net 13 is woven by nylon materials, the sound insulation unit is wrapped by the fixing net 13, one sides of the first panel 1 and the third panel 2 far away from the second panel 3 are provided with fireproof coatings 14, the fireproof coatings 14 are uniformly sprayed on the surfaces of the first panel 1 and the third panel 2, the first panel 1, the second panel 3 and the third panel 2 and the reticular frameworks 4 are formed by injection molding, the aerogel particles 8 and the sound insulation balls 10 are mutually adhered into blocks by an adhesive, and the first sound insulation unit 5 and the third sound insulation unit 7 are mutually staggered with the second sound insulation unit 6, the sound absorption cotton 9 is made of polyester fiber material.
As shown in fig. 1 to 4, the embodiment specifically is: 3 both sides of second panel all are fixed with stopper 11, stopper 11 and the 12 looks block of spacing groove on first panel 1 and the third panel 2, it is more firm to make to be connected between first panel 1 and third panel 2 and the second panel 3, structural strength is higher, first panel 1 and 2 surfaces of third panel are paintd fire protection coating 14, thereby further improve the fire behavior of this panel, promote the security of car, the inside fixed network 13 of sound insulation unit can be with inhaling sound cotton 9, ball 10 and aerogel granule 8 are fixed inside the sound insulation unit, the stability of connection is improved.
The utility model discloses the theory of operation:
referring to fig. 1 to 5 of the specification, the first soundproof unit 5 inside the first panel 1 is filled with aerogel particles 8, the medium inside the aerogel particles 8 in a spatial mesh structure is gas, which can primarily absorb noise and reduce the sound velocity of noise propagation, because the second sound insulation unit 6 in the second panel 3 is filled with the sound absorption cotton 9, the porous structure of the sound absorption cotton 9 has excellent sound absorption effect, further reduces the noise transmission, because the porous structure of the foaming resin is communicated with the outside, the heat generated in the working process of the sound-absorbing cotton 9 can be dissipated through the porous structure in the foaming resin, thereby achieving the heat dissipation effect, because the third sound insulation unit 7 in the third panel 2 is filled with the sound insulation balls 10, the sound insulation balls 10 are mutually staggered, overlapped and adhered to form a sound insulation layer, and the interior of the sound insulation balls 10 is arranged in a vacuum manner, so that the sound insulation balls can effectively block the transmission of noise;
referring to the attached drawings 1-4 of the specification, both sides of the second panel 3 are fixed with limit blocks 11, the limit blocks 11 are clamped with limit grooves 12 on the first panel 1 and the third panel 2, so that the connection between the first panel 1 and the second panel 2 and the second panel 3 is firmer, and fireproof coatings 14 are coated on the surfaces of the first panel 1 and the third panel 2, thereby further improving the fireproof performance of the panel, and the sound-absorbing cotton 9, the sound-insulating ball 10 and the aerogel particles 8 can be fixed inside the sound-insulating unit by a fixing net 13 inside the sound-insulating unit.
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 an automobile trunk soundproof cotton board, includes first panel (1), its characterized in that: a third panel (2) is arranged on one side of the first panel (1), a second panel (3) is arranged between the first panel (1) and the third panel (2), net-shaped frameworks (4) are arranged in the first panel (1), the second panel (3) and the third panel (2), and sound insulation units are arranged in the net-shaped frameworks (4);
the sound insulation unit comprises a first sound insulation unit (5), a second sound insulation unit (6) and a third sound insulation unit (7), the first sound insulation unit (5) is located inside the first panel (1), the second sound insulation unit (6) is located inside the second panel (3), the third sound insulation unit (7) is located inside the third panel (2), and the second panel (3) is made of a foaming resin material;
first sound-proof unit (5) inside is provided with aerogel granule (8), second sound-proof unit (6) inside is provided with inhales sound cotton (9), third sound-proof unit (7) inside is provided with sound insulating ball (10), sound insulating ball (10) inside is the vacuum setting.
2. The soundproof cotton sheet for boot of automobile according to claim 1, wherein: all be provided with stopper (11) on the netted skeleton (4) of second panel (3) both sides, all be provided with spacing groove (12) on the netted skeleton (4) of first panel (1) and third panel (2) one side, stopper (11) are corresponding with spacing groove (12).
3. The soundproof cotton sheet for boot of automobile according to claim 1, wherein: the sound insulation unit is internally provided with a fixing net (13), the fixing net (13) is woven by a nylon material, and the sound insulation unit is wrapped by the fixing net (13).
4. The soundproof cotton sheet for boot of automobile according to claim 1, wherein: one side of the first panel (1) and one side of the third panel (2) far away from the second panel (3) are provided with fireproof coatings (14), and the fireproof coatings (14) are uniformly sprayed on the surfaces of the first panel (1) and the third panel (2).
5. The soundproof cotton sheet for boot of automobile according to claim 1, wherein: the first panel (1), the second panel (3), the third panel (2) and the net-shaped framework (4) are formed through injection molding.
6. The soundproof cotton sheet for boot of automobile according to claim 1, wherein: the aerogel particles (8) and the sound insulation balls (10) are adhered to each other into a block shape through an adhesive.
7. The soundproof cotton sheet for boot of automobile according to claim 1, wherein: the first sound insulation units (5) and the third sound insulation units (7) are arranged in a staggered mode with the second sound insulation units (6).
8. The soundproof cotton sheet for boot of automobile according to claim 1, wherein: the sound absorption cotton (9) is made of polyester fiber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001965.7U CN210284139U (en) | 2019-06-28 | 2019-06-28 | Sound insulation cotton plate for automobile trunk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001965.7U CN210284139U (en) | 2019-06-28 | 2019-06-28 | Sound insulation cotton plate for automobile trunk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210284139U true CN210284139U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921001965.7U Active CN210284139U (en) | 2019-06-28 | 2019-06-28 | Sound insulation cotton plate for automobile trunk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210284139U (en) |
Cited By (2)
| 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 |
| CN117227639A (en) * | 2023-11-15 | 2023-12-15 | 辽宁凯源专用车有限公司 | Special type vehicle body heat insulation structure |
-
2019
- 2019-06-28 CN CN201921001965.7U patent/CN210284139U/en active Active
Cited By (3)
| 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 |
| CN117227639A (en) * | 2023-11-15 | 2023-12-15 | 辽宁凯源专用车有限公司 | Special type vehicle body heat insulation structure |
| CN117227639B (en) * | 2023-11-15 | 2024-01-09 | 辽宁凯源专用车有限公司 | Special type vehicle body heat insulation structure |
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