CN113442842B - Cover soundproof cotton device, car cover assembly and car that can crumple deformation - Google Patents
Cover soundproof cotton device, car cover assembly and car that can crumple deformation Download PDFInfo
- Publication number
- CN113442842B CN113442842B CN202110835975.6A CN202110835975A CN113442842B CN 113442842 B CN113442842 B CN 113442842B CN 202110835975 A CN202110835975 A CN 202110835975A CN 113442842 B CN113442842 B CN 113442842B
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- cover
- support body
- automobile
- soundproof cotton
- sealing
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 78
- 230000003313 weakening effect Effects 0.000 claims description 14
- 238000013022 venting Methods 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 4
- 206010019196 Head injury Diseases 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 15
- 208000027418 Wounds and injury Diseases 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 10
- 208000014674 injury Diseases 0.000 abstract description 10
- 239000004033 plastic Substances 0.000 abstract description 9
- 229920003023 plastic Polymers 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0838—Insulating elements, e.g. for sound insulation for engine compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0884—Insulating elements, e.g. for sound insulation for mounting around noise sources, e.g. air blowers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/36—Protecting non-occupants of a vehicle, e.g. pedestrians using airbags
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Superstructure Of Vehicle (AREA)
Abstract
The invention relates to a cover soundproof cotton device capable of collapsing and deforming, an automobile cover assembly and an automobile, wherein the cover soundproof cotton device comprises: a soundproof cotton body for fitting on a cover of an automobile; the folding sealing support body matched with the automobile front cabin storage box is fixedly connected to the soundproof cotton body, the sealing support body is provided with a support body inner cavity, and the support body inner cavity is in an inflated state in a conventional state and protrudes relative to the soundproof cotton body to be extruded on a sealing strip of the automobile front cabin storage box, and can be changed into a deflated state to be attached to the soundproof cotton body when the automobile cover is impacted. By arranging the inner cavity of the supporting body, the sealing supporting body can collapse and deform when the cover is subjected to strong impact, so that the head injury of pedestrians is effectively reduced; the problem of among the prior art cover inner panel below adopt hard plastics to seal, pedestrian's head energy-absorbing buffer space is less, leads to causing great injury to pedestrian's head in the collision process is solved.
Description
Technical Field
The invention relates to the technical field of automobile soundproof cotton, in particular to a cover soundproof cotton device capable of collapsing and deforming, an automobile cover assembly and an automobile.
Background
The electric automobile is dominant in the new energy automobile market at present, and because the motor replaces the engine, a large amount of empty areas are released in the front engine room, and the empty areas can be converted into storage spaces through reasonable design and released to users.
Considering the tightness of the storage space and the convenience of taking and placing objects, in the prior art, the storage modes of the front cabin currently have the following three design modes: 1. the front cabin storage box is opened, and no sealing treatment is carried out; 2. an independent cover is independently arranged on the front cabin storage box; 3. sealing rubber strips are arranged on the periphery of the front cabin storage box, and sealing is performed by adding sealing strips on the periphery of the low-pressure storage box of the plastic sinking device through a cover. The existing front cabin storage mode correspondingly has the following technical problems:
1) Very poor tightness, very large user complaints;
2) The production cost is high, the object taking and placing needs to be opened for the second time, and the convenience is poor;
3) The pedestrian safety performance is not ideal or the requirement of the pedestrian safety performance is met by adding the pop-up type cover device, so that the production cost is increased.
Therefore, there is a need to provide a cover soundproof cotton device which has a good sealing effect, is convenient to use, and effectively reduces injuries to the head of a pedestrian when colliding with the pedestrian, so as to solve the technical problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a cover soundproof cotton device capable of collapsing and deforming. The problem of among the prior art cover inner panel below adopt hard plastics to seal, pedestrian's head energy-absorbing buffer space is less, leads to causing great injury to pedestrian's head in the collision process is solved.
The technical effects of the invention are realized by the following steps:
a crushable, cover insulating cotton device comprising:
a soundproof cotton body for fitting on a cover of an automobile;
the folding sealing support body matched with the automobile front cabin storage box is fixedly connected to the soundproof cotton body, the sealing support body is provided with a support body inner cavity, the support body inner cavity is in an inflated state in a conventional state and protrudes relative to the soundproof cotton body to extrude on a sealing strip of the automobile front cabin storage box, and can be changed into a gas leakage state when the automobile cover is impacted, and the gas leakage state is attached to the soundproof cotton body. Through setting up the supporter inner chamber for but sealed supporter crumple when the cover receives stronger impact warp, for pedestrian's head energy-absorbing release enough space, effectively reduce pedestrian's head injury, it is less to adopt rigid plastic to seal to lead to pedestrian's head energy-absorbing buffer space to have solved in the prior art cover inner panel below, causes the problem of great injury to pedestrian's head in the collision process.
Further, the sealing support body is of an annular structure, the inner ring and/or the outer ring of the annular structure are/is provided with folding parts, and the annular structure is arranged to be folded through the folding parts. Through setting up the folding portion for support body inner chamber can fold fast at the air release in-process, reduces pedestrian's head's injury degree.
Further, the sealing support body is provided with a venting hole, and the venting hole is arranged to be in a closed state in an inflation state and in a venting state.
Further, the inner cavity of the support body is provided with a pressure maintaining air bag, the pressure maintaining air bag is provided with an inflation valve, the inflation valve is communicated with the outer wall of the sealing support body, and the inflation valve is used for inflating the pressure maintaining air bag. Through setting up pressurize gasbag for support body inner chamber is in the state of aerifing under conventional state, and sealed support body can effectively extrude on the sealing strip of car front deck storing box, plays better sealed effect.
Further, the sealing support body is provided with a vent hole, the pressure maintaining air bag is provided with a weakening area, the weakening area is arranged at a position corresponding to the vent hole, and the pressure maintaining air bag is arranged to be broken in the weakening area to discharge gas in the pressure maintaining air bag when the automobile cover is impacted. Through setting up the weaknesses district at the pressure-maintaining gasbag, when car bonnet received the strong impact suddenly, the pressurize gasbag air pocket can be followed weaknesses the district by oneself to leak fast through the last gas vent of sealed support body, for pedestrian's head quick release energy-absorbing space, reduce head injury degree.
Further, the thickness of the weakened area is smaller than the thickness of other areas on the pressure maintaining air bag.
Further, the soundproof cotton body and the sealing support body are of an integrated structure. Through setting up the soundproof cotton body and sealing support body as integrated into one piece structure, sealing support body is constructed through the mode that increases protruding structure on the soundproof cotton body of car cover for the integrated level is higher, and the direct dismantlement and the change from the car cover of overall structure of being convenient for, and reduction in production cost.
Further, the soundproof cotton body and the sealing support body are made of elastic materials.
In addition, still provide a car bonnet assembly, including car bonnet and foretell lid soundproof cotton device that can collapse deformation, the inboard at the car bonnet is installed to lid soundproof cotton device.
In addition, still provide a car, including foretell car bonnet assembly.
As described above, the invention has the following beneficial effects:
1) Through setting up the supporter inner chamber for but sealed supporter crumple when the cover receives stronger impact warp, for pedestrian's head energy-absorbing release enough space, effectively reduce pedestrian's head injury, it is less to adopt rigid plastic to seal to lead to pedestrian's head energy-absorbing buffer space to have solved in the prior art cover inner panel below, causes the problem of great injury to pedestrian's head in the collision process.
2) Through setting up the folding portion for the support body inner chamber is in the in-process that changes the state of divulging from the state of aerifing can fold fast, reduces pedestrian's head's injury degree.
3) Through setting up pressurize gasbag for support body inner chamber is in the state of aerifing under conventional state, and sealed support body can effectively extrude on the sealing strip of car front deck storing box, plays better sealed effect.
4) Through setting up the weaknesses district at the pressure-maintaining gasbag, when car bonnet received the strong impact suddenly, the pressurize gasbag air pocket can be followed weaknesses the district by oneself to leak fast through the last gas vent of sealed support body, for pedestrian's head quick release energy-absorbing space, reduce head injury degree.
5) Through setting up the soundproof cotton body and sealing support body as integrated into one piece structure, sealing support body is constructed through the mode that increases protruding structure on the soundproof cotton body of car cover for the integrated level is higher, and the direct dismantlement and the change from the car cover of overall structure of being convenient for, and reduction in production cost.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the following description will make a brief introduction to the drawings used in the description of the embodiments or the prior art. It should be apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained from these drawings without inventive effort to those of ordinary skill in the art.
FIG. 1 is a schematic view of a prior art cover septum device;
fig. 2 is a schematic structural view of a collapsible and deformable cover soundproof cotton device provided in an embodiment of the present application when a sealing support is in an inflated state;
fig. 3 is a schematic structural diagram of a cover soundproof cotton device capable of collapsing and deforming when a sealing support is in a deflated state according to an embodiment of the present application.
Wherein, the reference numerals in the figures correspond to:
the sound insulation cotton body 1, the sealing support body 2, the inner ring 21, the outer ring 22, the folding part 23, the air leakage hole 24 and the inflation valve 25.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1, the vehicle type with the front cabin without the storage box device has the effective energy absorption space of the head of the pedestrian as a+b+c, and the head of the pedestrian has sufficient energy absorption buffer space when collision occurs, so that the head can be better protected from serious injury. In the prior art, the arrangement mode of the vehicle type with the storage box device in the front cabin is that hard plastic (non-deformable) is used below the inner plate of the cover to increase the sealing effect (the sealing needs a certain extrusion force to extrude the tubular sealing strip to achieve a good sealing effect), so that the cover and the front cabin are strongly associated, the energy absorption and buffering space of the head of a pedestrian is reduced to a+c, and the head of the pedestrian is greatly damaged when the pedestrian collides.
Therefore, the cover soundproof cotton device capable of collapsing and deforming is provided to replace the structure b, the problem that the cover and the storage box are well sealed is solved, the cover can be collapsed and deformed to rapidly release the energy absorbing space for the head of a pedestrian when the cover is subjected to sudden strong impact, and the head injury degree is reduced.
Example 1:
as shown in fig. 2-3, embodiments of the present disclosure provide a crushable, cover septum device comprising:
a soundproof cotton body 1 for fitting on a cover of an automobile;
the folding sealing support body 2 matched with the automobile front cabin storage box is fixedly connected to the soundproof cotton body 1, the sealing support body 2 is provided with a support body inner cavity, the support body inner cavity is in an inflated state in a conventional state and protrudes relative to the soundproof cotton body 1 to be extruded on a sealing strip of the automobile front cabin storage box, the sealing effect on the automobile front cabin storage box is achieved, and the sealing support body is changed into a deflated state and is attached to the soundproof cotton body 1 when an automobile cover is impacted strongly.
Specifically, the automobile cover is an automobile front cabin cover, the inner cavity 2 of the supporting body is in a full-air state in an air-filled state, when the automobile cover is covered on the automobile front cabin, the sealing supporting body 2 is extruded on a sealing strip of an automobile front cabin storage box, and the automobile front cabin storage box is in a sealing state at the moment; after the automobile hood suddenly receives stronger impact, the sealing support body 2 is converted into an air leakage state from an air charging state, the sealing support body 2 in the air leakage state is attached to the soundproof cotton body 1, the sealing support body 2 is deformed into enough space for absorbing energy of the head of a pedestrian in a crumple mode, the head injury of the pedestrian is effectively reduced, the problem that the energy absorption buffer space of the head of the pedestrian is small due to the fact that the lower side of an inner plate of the hood is sealed by hard plastic in the prior art is solved, and the problem of large injury to the head of the pedestrian is caused in the collision process.
Preferably, the sealing support 2 is of annular construction, the inner ring 21 and/or the outer ring 22 of which are provided with folds 23, the annular construction being arranged to be folded by the folds 23. By arranging the folding part 23, the inner cavity of the support body can be quickly folded in the process of changing from the inflated state to the deflated state, and the injury degree of the head of the pedestrian is reduced.
Specifically, the folded portion 23 is made of a soft connecting material, which may be rubber, PVC, or silica gel.
Specifically, the inner ring 21 and the outer ring 22 of the annular structure are both provided with a plurality of layers of folding parts 23, and the folding parts 23 of the inner ring 21 and the corresponding folding parts 23 of the outer ring 22 are positioned on the same horizontal plane, so that the sealing support body 2 can be flatly attached to the soundproof cotton body 1 after being subjected to crumple deformation, and the head energy absorption and release space of a pedestrian is larger.
In the embodiment, the inner cavity of the support body is provided with a pressure maintaining air bag, the pressure maintaining air bag is provided with an inflation valve 25, the inflation valve 25 is communicated with the outer wall of the sealing support body 2, and the inflation valve 25 is used for inflating the pressure maintaining air bag. The pressure maintaining air bag can be filled with corresponding air pressure through the air charging valve 25 according to factory calibration standards of manufacturers. Through set up pressurize gasbag in the supporter inner chamber for the supporter inner chamber is in the state of aerifing under conventional state, and sealed supporter 2 can effectively extrude on the sealing strip of car front deck storing box, plays better sealed effect. The sealing support body 2 is provided with an air leakage hole 24, and the air leakage hole 24 is used for air leakage when the automobile cover is impacted.
Specifically, the sealing support body 2 with the annular structure is of a quadrilateral annular structure, 8 strip-shaped air release holes 24 are reserved on the outer ring 22 of the sealing support body 2, three air release holes 24 are symmetrically arranged at the front and the back, one air release hole 24 is arranged at two sides of the sealing support body, and the direction from the back to the front is the running direction of the automobile. When the automobile hood is subjected to a sudden strong impact, the pressure maintaining air bag breaks, and the gas can be rapidly released from the gas release hole 24 and rapidly becomes in a gas release state, i.e., an uninflated state.
Preferably, the pressure maintaining airbag is provided with a weakened zone arranged to rupture when the vehicle hood is impacted.
The pressure maintaining air bag is weakened in the weakening area, so that when the automobile cover is subjected to sudden strong impact, the weakening area of the pressure maintaining air bag can reach the weakening pressure maintaining limit to quickly release air. The impact force is calibrated in detail before the device leaves factory, the impact force is larger than or equal to the critical value of the impact force received by the head of the pedestrian, the critical value of the impact force received by the head of the pedestrian is researched and set by a person skilled in the art, the pressure maintaining air bag can be ensured not to be deflated in daily use, and only the pressure maintaining air bag is deflated when the pressure maintaining air bag is impacted suddenly.
Through setting up the weakening zone at the pressure-maintaining gasbag, when car bonnet received the strong impact suddenly, the pressurize gasbag air pocket can be followed the self-breaking of weakening zone to through the quick release of the air release 24 on the sealed support body 2, for pedestrian's head quick release energy-absorbing space, reduce head injury degree.
Preferably, the thickness of the weakened zone is smaller than the thickness of the other areas on the pressure maintaining airbag.
Specifically, the position of the weakening area of the pressure maintaining air bag corresponds to the positions of the 8 strip-shaped air release holes 24 on the outer ring 22 of the sealing support body 2, so that the pressure maintaining air bag can be quickly released from the air release holes 24 after the weakening area is broken, and the head injury of a pedestrian is effectively reduced.
In some other embodiments, the sealing support body 2 is provided with a venting hole 24, and the venting hole 24 is arranged to be in a closed state in an inflated state and in a venting state, so that when the sealing support body 2 is impacted, the sealing support body changes from the inflated state to the venting state, and the venting hole 24 changes from the closed state to the venting state to vent gas in the inner cavity of the support body, so that the inner cavity of the support body can be folded quickly, and the injury degree of the head of a pedestrian is reduced.
Preferably, the soundproof cotton body 1 and the sealing support body 2 are of an integrally formed structure. The seal support body 2 is constructed by adding the convex structure on the soundproof cotton body 1 of the automobile cover, so that the integration level is higher, the integral structure formed by the soundproof cotton body 1 and the seal support body 2 is convenient to directly detach and replace from the automobile cover, and the production cost is reduced.
Preferably, the soundproof cotton body 1 and the sealing support body 2 are made of an elastic material. The elastic material can be rubber or PVC or silica gel, etc.
Fig. 2 is a schematic structural view of the sealing support body 2 in an inflated state, fig. 3 is a schematic structural view of the sealing support body 2 in a deflated state, and referring to fig. 2 and 3, the collapsing deformation process of the sealing support body 2 is as follows:
1) The automobile engine cover is covered on the automobile front cabin, and the sealing support body 2 is extruded on the sealing strip of the storage box of the automobile front cabin in an inflated state;
2) When the automobile cover receives the impact force of the head of a pedestrian, the pressure maintaining air bag breaks in the weakening area;
3) Releasing the gas in the pressure maintaining air bag from the gas release hole 24;
4) The inner ring 21 and the outer ring 22 are folded at the folded portion 23, so that the seal support body 2 is subjected to crumple deformation;
5) The sealing support body 2 is completely changed into a gas leakage state from an inflation state, and the sealing support body 2 in the gas leakage state is attached to the soundproof cotton body 1 to release enough space for absorbing energy on the head of a pedestrian.
Example 2:
the embodiment of the specification provides an automobile cover assembly, which comprises an automobile cover and the cover soundproof cotton device capable of collapsing and deforming in the embodiment 1, wherein the cover soundproof cotton device is fixedly arranged on the inner side of the automobile cover. The sealing support body 2 which can collapse and deform is used in the automobile cover assembly to replace a b structure (hard plastic) in the prior art, so that the energy absorption buffer space a+c of the head of a pedestrian is changed into a+b+c again, the problem that the cover and the storage box are in a good sealing state is effectively solved, and the head injury degree is reduced by the fact that the cover can retract and deform to quickly release the energy absorption space for the head of the pedestrian when the cover is subjected to sudden strong impact is solved.
Example 3:
the embodiment of the specification provides an automobile, comprising the automobile hood assembly in the embodiment 2. Be equipped with soundproof cotton body 1 and seal support body 2 on the car bonnet assembly as integrated into one piece structure, seal support body is constructed through the mode that increases protruding structure on the soundproof cotton body 1 of car bonnet for the integrated level is higher, and the overall structure of being convenient for directly dismantle and change from the car, and reduction in production cost.
As described above, the invention has the following beneficial effects:
1) Through setting up the supporter inner chamber for but sealed supporter crumple when the cover receives stronger impact warp, for pedestrian's head energy-absorbing release enough space, effectively reduce pedestrian's head injury, it is less to adopt rigid plastic to seal to lead to pedestrian's head energy-absorbing buffer space to have solved in the prior art cover inner panel below, causes the problem of great injury to pedestrian's head in the collision process.
2) Through setting up the folding portion for the support body inner chamber is in the in-process that changes the state of divulging from the state of aerifing can fold fast, reduces pedestrian's head's injury degree.
3) Through setting up pressurize gasbag for support body inner chamber is in the state of aerifing under conventional state, and sealed support body can effectively extrude on the sealing strip of car front deck storing box, plays better sealed effect.
4) Through setting up the weaknesses district at the pressure-maintaining gasbag, when car bonnet received the strong impact suddenly, the pressurize gasbag air pocket can be followed weaknesses the district by oneself to leak fast through the last gas vent of sealed support body, for pedestrian's head quick release energy-absorbing space, reduce head injury degree.
5) Through setting up the soundproof cotton body and sealing support body as integrated into one piece structure, sealing support body is constructed through the mode that increases protruding structure on the soundproof cotton body of car cover for the integrated level is higher, and the direct dismantlement and the change from the car cover of overall structure of being convenient for, and reduction in production cost.
While the invention has been described in terms of preferred embodiments, the invention is not limited to the embodiments described herein, but encompasses various changes and modifications that may be made without departing from the scope of the invention.
In this document, terms such as front, rear, upper, lower, etc. are defined with respect to the positions of the components in the drawings and with respect to each other, for clarity and convenience in expressing the technical solution. It should be understood that the use of such orientation terms should not limit the scope of the protection sought herein.
The embodiments and features of the embodiments described herein can be combined with each other without conflict.
The above disclosure is only a preferred embodiment of the present invention, and it is needless to say that the scope of the invention is not limited thereto, and therefore, the equivalent changes according to the claims of the present invention still fall within the scope of the present invention.
Claims (8)
1. A collapsible, deformable cover septum device comprising:
a soundproof cotton body (1) for fitting on a cover of an automobile;
the foldable sealing support body (2) is matched with the automobile front cabin storage box, the sealing support body (2) is fixedly connected to the soundproof cotton body (1), the sealing support body (2) is provided with a support body inner cavity, the support body inner cavity is in an inflated state in a conventional state and is protruded relative to the soundproof cotton body (1) so as to be extruded on a sealing strip of the automobile front cabin storage box and can be changed into a gas leakage state when the automobile cover is impacted, and the gas leakage state is attached to the soundproof cotton body (1);
the inner cavity of the support body is provided with a pressure maintaining air bag, the pressure maintaining air bag is provided with an inflation valve (25), the inflation valve (25) is communicated with the outer wall of the sealing support body (2), and the inflation valve (25) is used for inflating the pressure maintaining air bag;
the sealing support body (2) is provided with a vent hole (24), the pressure maintaining air bag is provided with a weakening area, the weakening area is arranged at a position corresponding to the vent hole (24), and the pressure maintaining air bag is arranged to be broken in the weakening area to discharge gas in the pressure maintaining air bag when the automobile cover is impacted.
2. A cover insulation device according to claim 1, characterized in that the sealing support (2) is of annular construction, the inner ring (21) and/or the outer ring (22) of which are provided with folds (23), the annular construction being arranged to be folded by the folds (23).
3. A cover soundproofing cotton device according to claim 1, characterized in that said sealing support (2) is provided with venting holes (24), said venting holes (24) being arranged in a closed condition in an inflated condition and in a venting condition.
4. The crushable cover insulating cotton device of claim 1, wherein the weakened area has a thickness that is less than the thickness of other areas on the pressure maintaining bladder.
5. A cover septum device according to claim 1, characterized in that the septum body (1) and the sealing support body (2) are of an integrally formed structure.
6. A cover insulation according to claim 1, characterized in that the insulation body (1) and the sealing support (2) are made of an elastic material.
7. An automotive hood assembly comprising an automotive hood and a crushable hood insulation device according to any one of claims 1 to 6 mounted and secured to the inside of the automotive hood.
8. An automobile comprising the automobile hood assembly of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835975.6A CN113442842B (en) | 2021-07-23 | 2021-07-23 | Cover soundproof cotton device, car cover assembly and car that can crumple deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835975.6A CN113442842B (en) | 2021-07-23 | 2021-07-23 | Cover soundproof cotton device, car cover assembly and car that can crumple deformation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113442842A CN113442842A (en) | 2021-09-28 |
| CN113442842B true CN113442842B (en) | 2024-03-26 |
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| CN202110835975.6A Active CN113442842B (en) | 2021-07-23 | 2021-07-23 | Cover soundproof cotton device, car cover assembly and car that can crumple deformation |
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| CN (1) | CN113442842B (en) |
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