CN215152800U - Bottom protection plate and automobile - Google Patents
Bottom protection plate and automobile Download PDFInfo
- Publication number
- CN215152800U CN215152800U CN202121489224.5U CN202121489224U CN215152800U CN 215152800 U CN215152800 U CN 215152800U CN 202121489224 U CN202121489224 U CN 202121489224U CN 215152800 U CN215152800 U CN 215152800U
- Authority
- CN
- China
- Prior art keywords
- layer
- water
- repellent
- flame
- substrate layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The utility model discloses a bottom guard plate and an automobile, wherein the bottom guard plate comprises a substrate layer, a flame-retardant layer and a water-repellent layer, and the substrate layer is provided with a sound-absorbing structure; the flame-retardant layer is arranged on one side of the base material layer; the water-repellent layer is arranged on one side of the substrate layer, which faces away from the flame-retardant layer, and is used for preventing water from permeating into the bottom guard plate. The utility model discloses technical scheme can promote the comprehensive properties of end backplate.
Description
Technical Field
The utility model relates to an automobile protection technical field, in particular to end backplate and car.
Background
At present, the backplate is mostly the sheet metal component at the end, and this kind of backplate is high in intensity at the end, can provide effective protection, but has the problem that the quality is heavy, corrodes easily simultaneously, and when the backplate at the end was splashed to the striking when grit, produced very big noise problem easily. In addition, some bottom guard plates adopt injection molding type PP (polypropylene) schemes, but the quality of the bottom guard plate is lighter than that of a bottom guard plate made of sheet metal parts, but the sound absorption effect is poor. That is, in the current bottom guard plate, the improvement of partial performance is usually focused, but the comprehensive performance is poor.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a bottom protection plate, which aims at improving the comprehensive performance of the bottom protection plate.
In order to achieve the above object, the utility model provides a bottom protection plate, include:
the substrate layer is provided with a sound absorption structure;
the flame-retardant layer is arranged on one side of the base material layer; and
the water-repellent layer is arranged on one side, back to the flame-retardant layer, of the base material layer and is used for preventing water from permeating into the bottom guard plate.
Optionally, the sound absorbing structure is a porous structure.
Optionally, the substrate layer is a glass fiber reinforced thermoplastic plate, and the glass fiber reinforced thermoplastic plate has a porous structure.
Optionally, the grammage of the substrate layer is greater than or equal to 1200g/m2And less than 1400g/m2。
Optionally, the water-repellent layer is made of water-repellent non-woven fabric.
Optionally, the grammage of the water-repellent nonwoven fabric is greater than or equal to 110g/m2And is less than or equal to 130g/m2。
Optionally, a waterproof layer is arranged between the substrate layer and the flame-retardant layer; and/or a waterproof layer is arranged between the substrate layer and the water repellent layer.
Optionally, the waterproof layer is made of polypropylene; and/or the gram weight of the waterproof layer is more than or equal to 18g/m2And is less than or equal to 21g/m2。
Optionally, the thickness of the bottom protection plate is greater than or equal to 2.5mm and less than or equal to 3 mm; and/or the flame-retardant layer is made of metal foil.
The utility model discloses still provide an automobile, include like foretell end backplate.
The utility model discloses end backplate among the technical scheme is through setting up fire-retardant layer in one side of substrate layer, and the opposite side sets up the water repellent layer, so when installing end backplate in the car, can be located the outside (bottom surface promptly) with the water repellent layer to can promote the waterproof nature of end backplate, reduce the possibility of backplate at the bottom of the infiltration of water, under the bad weather of effectual solution, fabric type non-woven fabrics absorbs water and freezes and lead to end backplate to warp the scheduling problem. And the fire-retardant layer is located inboard, increases end backplate fire behaviour, has promoted end backplate's fire behavior, and when power battery's thermal runaway started or the engine compartment started, can effectual separation intensity of a fire spread to passenger's cabin, can effectually give the passenger sufficient time of fleing. The substrate layer is equipped with simultaneously and inhales the sound structure, and when the grit splashed and strikes end backplate, the sound structure of inhaling of substrate layer can absorb the sound wave, and then can the noise reduction's production. Promptly the utility model discloses end backplate among the technical scheme can have better fire proofness, waterproof nature concurrently and inhale the sound performance, has promoted end backplate comprehensive properties.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a bottom guard plate of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
13 | |
| 11 | |
14 | Water- |
| 12 | Flame retardant layer |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 efforts belong to the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a bottom guard plate for the car, like new energy automobile or fuel automobile.
In the embodiment of the present invention, as shown in fig. 1, the bottom protective plate 10 includes a substrate layer 11, a flame retardant layer 12 and a water repellent layer 13, the substrate layer 11 has a sound absorption structure, the flame retardant layer 12 is disposed on one side of the substrate layer 11, the water repellent layer 13 is disposed on one side of the substrate layer 11 facing away from the flame retardant layer 12, and the water repellent layer 13 is used for blocking water from permeating into the bottom protective plate 10.
In this embodiment, the substrate layer 11 is a skeleton layer of the bottom protection plate 10, and is used for supporting the flame retardant layer 12 and the water repellent layer 13. The bottom guard plate 10 can be used as a bottom guard plate 10 of an automobile engine and can also be used as a battery bottom guard plate 10 of a new energy automobile.
The utility model discloses end backplate 10 among the technical scheme is through setting up fire-retardant layer 12 in one side of substrate layer 11, and the opposite side sets up water repellent layer 13, so when installing end backplate 10 in the car, can be located the outside (bottom surface promptly) with water repellent layer 13 to can promote the waterproof nature of end backplate 10, reduce the possibility of backplate 10 at the bottom of the infiltration, under the bad weather of effectual solution, fabric type non-woven fabrics absorbs water and freezes and lead to end backplate 10 to warp the scheduling problem. The flame-retardant layer 12 is positioned on the inner side, so that the flame-retardant performance of the bottom guard plate is improved, the fireproof capacity of the bottom guard plate 10 is improved, when the thermal runaway of the power battery or the ignition of the engine compartment occurs, the fire can be effectively prevented from spreading to the passenger compartment, and the sufficient escape time can be effectively provided for passengers. Meanwhile, the base material layer 11 is provided with a sound absorption structure, when sand splashes to impact the bottom guard plate 10, the sound absorption structure of the base material layer 11 can absorb sound waves, and then noise can be reduced. Namely the utility model discloses end backplate 10 among the technical scheme can have better fire proofness, waterproof nature concurrently and inhale the sound performance, has promoted end backplate 10 comprehensive properties. And the bottom guard plate of the scheme has simple process and is suitable for large-scale continuous production.
In one embodiment, the sound absorbing structure is a porous structure. That is, the substrate layer 11 has a plurality of holes therein, and the sound waves are converted into heat energy and consumed when propagating in the holes, so that the substrate layer 11 has a better sound absorption performance. Wherein, a plurality of holes in the substrate layer are distributed to promote the sound absorption effect of end backplate. Of course, in other embodiments, the sound absorbing structure may be a resonant sound absorbing structure or a special sound absorbing structure (e.g., a sound absorbing screen).
In one embodiment, the substrate layer 11 is a Glass fiber reinforced thermoplastic (GMT) plate (hereinafter referred to as GMT plate), and the Glass fiber reinforced thermoplastic plate has a porous structure. That is, the base material layer 11 is made of glass fiber reinforced thermoplastic, and the GMT plate as the base material layer 11 can be molded by lapping and needling using PP (polypropylene) fibers and glass fibers. And the GMT plate also has good rigidity and shock resistance, which can ensure good sound absorption performance and reduce the weight of the bottom guard plate 10, can better protect the automobile chassis (such as an engine, a battery and the like), reduce the possibility of damaging parts of the automobile chassis and play a good protection role. The GMT board may be formed by a GMT molding process to obtain a low density GMT board. Of course, in other embodiments, the substrate layer 11 may be composed of thermoplastic resin fibers and a reinforcing filler, wherein the thermoplastic resin fibers are one of or a mixture of several of modified polypropylene fibers PP, modified polyamide fibers PA, and modified polyethylene terephthalate fibers PET, and the reinforcing filler is one of or a mixture of several of glass fibers, basalt fibers, silica, calcium carbonate, titanium dioxide, talc, and carbon black. Alternatively, the base material layer 11 may be made of another material.
In one embodiment, the grammage of the substrate layer 11 is greater than or equal to 1200g/m2(g/m) and less than 1400g/m2. That is, the gram weight of the GMT plate is larger than or equal to 1200g/m2And less than 1400g/m2So set up, can guarantee that substrate layer 11 has lightweight, the advantage of inhaling sound nature, rigidity and shock resistance betterly concurrently for substrate layer 11's comprehensive properties is better. Wherein the gram weight of the substrate layer 11 can be 1200g/m2、1250g/m2、1300g/m2、1350g/m2Or 1400g/m2And so on. Of course, in other embodiments, the grammage of the substrate layer 11 may be less than 1200g/m2Or more than 1400g/m2。
In some embodiments, a processing aid is added to substrate layer 11, and the processing aid includes one or more of color masterbatch, light stabilizer, anti-uv agent, accelerator, plasticizer, and filler. Namely, the GMT plate is added with the processing aid, so that the GMT plate can be multifunctional to be suitable for the bottom protection plate 10 to be applied to various different working environments and fields.
In one embodiment, the water-repellent layer 13 is made of water-repellent nonwoven fabric. Particularly, the water repellent non-woven fabrics have low hydroscopicity, scratch resistance and good outward appearance effect, compare backplate 10 at the bottom of traditional fabric type, can effectually solve under the bad weather, fabric type non-woven fabrics absorbs water and freezes and lead to backplate 10 deformation scheduling problem at the bottom, increase backplate 10's durability. Of course, in other embodiments, the water-repellent layer 13 may be a water-repellent material or a water-repellent coating, etc.
In one embodiment, the water-repellent nonwoven fabric has a grammage of 110g/m or more2And is less than or equal to 130g/m2. The gram weight of the water-repellent non-woven fabric is 110g/m2To 130g/m2In between, can both guarantee the waterproof performance of water repellent layer 13, also can guarantee that the weight of water repellent layer 13 is suitable, avoid water repellent layer 13 quality too big and lead to the condition that bottom guard plate 10 is overweight. Wherein the gram weight of the water-repellent non-woven fabric can be 110g/m2、115g/m2、120g/m2、125g/m2Or 130g/m2And so on. In other embodiments, the grammage of the water-repellent nonwoven fabric may also be less than 110g/m2Or more than 130g/m2。
In one embodiment, the material of the flame retardant layer 12 is a metal foil. Therefore, the heat insulation performance and the flame retardant performance of the bottom guard plate 10 are improved, and the rear bottom guard plate 10 of the lower end of the exhaust pipe and the power battery bottom guard plate 10 can be suitable for being used in a high-temperature environment. Compared with the halogen flame-retardant layer 12, when the metal foil is used as the flame-retardant layer 12, the emission of toxic gas and smoke can be reduced, and the halogen flame-retardant layer is more environment-friendly. The metal foil may be aluminum foil or copper foil. Of course, in other embodiments, other flame retardant materials may be used as the flame retardant layer 12, such as flame retardants and the like.
In one embodiment, a water-repellent layer 14 is disposed between the substrate layer 11 and the water-repellent layer 13. With this arrangement, even when water penetrates from the water-repellent layer 13, the waterproof layer 14 can block water from continuing to penetrate into the substrate layer 11, and the waterproof performance of the floor panel 10 can be further improved. The waterproof layer 14 can also function to bond the water-repellent layer 13 and the substrate layer 11, and improve the connection stability between the water-repellent layer 13 and the substrate layer 11. Of course, in other embodiments, the water-repellent layer 13 may be directly connected to the substrate layer 11 without providing the water-repellent layer 14 between the substrate layer 11 and the water-repellent layer 13.
In one embodiment, a waterproof layer 14 is disposed between the substrate layer 11 and the flame retardant layer 12. So set up, even when water oozes from the substrate layer 11, can also block water and continue to permeate in the car through the waterproof layer 14 between substrate layer 11 and the fire-retardant layer 12, can further promote the waterproof performance of backplate 10. In one embodiment, the flame retardant layer 12 and the waterproof layer 14 are integrally formed by high temperature adhesive molding. So make waterproof layer 14 can play the effect of bonding fire-retardant layer 12 and substrate layer 11, promote fire-retardant layer 12 and substrate layer 11 stability of being connected. The waterproof layer 14 may be provided only between the substrate layer 11 and the water-repellent layer 13, or the waterproof layer 14 may be provided only between the substrate layer 11 and the flame-retardant layer 12. The waterproof layer 14 may be provided between the base material layer 11 and the water-repellent layer 13, and the waterproof layer 14 may be provided between the base material layer 11 and the flame-retardant layer 12.
In one embodiment, the waterproof layer 14 is made of polypropylene, so that the bottom protection plate 10 is more environment-friendly and is beneficial to reducing environmental pollution. Of course, in other embodiments, the waterproof layer 14 may be made of other materials.
In one embodiment, the grammage of waterproof layer 14 is greater than or equal to 18g/m2And is less than or equal to 21g/m2. When so set up, can enough guarantee that waterproof layer 14 has better water-proof effects, also can avoid waterproof layer 14 overweight two and lead to end backplate 10 overall quality overweight. Wherein the gram weight of the waterproof layer 14 can be 18g/m2、18.5g/m2、19g/m2、19.5g/m2、20g/m2、20.5g/m2And 21g/m2And so on. Of course, in other embodiments, the grammage of waterproof layer 14 may be less than 18g/m2Or more than 21g/m2。
In one embodiment, the thickness of the bottom protective plate 10 is greater than or equal to 2.5mm and less than or equal to 3 mm. That is, the whole thickness of the bottom guard plate 10 is greater than or equal to 2.5mm and less than or equal to 3mm, it should be understood that the larger the whole thickness of the bottom guard plate 10 is, the better the protection effect on the automobile chassis is, and the better the comprehensive performance is promoted, however, the larger the whole thickness of the bottom guard plate 10 is, the more the weight and the volume are increased, and the light weight is not facilitated. And when making the whole thickness of end backplate 10 at 2.5mm to 3mm interval for end backplate 10 can have the requirement that light-dutyization and comprehensive properties are better concurrently. The thickness of the bottom guard plate 10 may be 2.5mm2.6mm, 2.7mm, 2.8mm, 2.9mm or 3 mm. Of course, in other embodiments, the thickness of the backplate 10 may be less than 2.5mm, or greater than 3 mm.
The utility model discloses still provide an automobile, this automobile include end backplate 10, and the concrete structure of backplate 10 refers to above-mentioned embodiment at this end, because this automobile has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Wherein, the automobile can be a new energy automobile or a fuel automobile. When the automobile is a new energy automobile, the bottom guard plate 10 can be used as the bottom guard plate 10 of a new energy automobile motor, and can also be used as the battery bottom guard plate 10 of the new energy automobile. When the vehicle is a fuel vehicle, the bottom guard plate 10 can be used as an engine bottom guard plate 10 of the fuel vehicle.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A floor sheathing, comprising:
the substrate layer is provided with a sound absorption structure;
the flame-retardant layer is arranged on one side of the base material layer; and
the water-repellent layer is arranged on one side, back to the flame-retardant layer, of the base material layer and is used for preventing water from permeating into the bottom guard plate.
2. The basemat of claim 1, wherein the sound absorbing structure is a porous structure.
3. The floor sheathing of claim 2, wherein said substrate layer is a glass fiber reinforced thermoplastic sheet having a porous structure.
4. The floor sheathing of claim 3, wherein said substrate layer has a grammage of 1200g/m or greater2And less than 1400g/m2。
5. The floor sheathing of claim 1, wherein said water-repellent layer is a water-repellent nonwoven fabric.
6. The floor mat of claim 5, wherein the water-repellent nonwoven fabric has a grammage of 110g/m or more2And is less than or equal to 130g/m2。
7. The floor panel according to any one of claims 1 to 6, wherein a waterproof layer is provided between said base material layer and said flame-retardant layer; and/or a waterproof layer is arranged between the substrate layer and the water repellent layer.
8. The floor sheathing of claim 7, wherein said water barrier is polypropylene; and/or the gram weight of the waterproof layer is more than or equal to 18g/m2And is less than or equal to 21g/m2。
9. The floor sheathing according to any one of claims 1 to 6, wherein the thickness of the floor sheathing is greater than or equal to 2.5mm and less than or equal to 3 mm; and/or the flame-retardant layer is made of metal foil.
10. An automobile, characterized by comprising the floor sheathing of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121489224.5U CN215152800U (en) | 2021-06-30 | 2021-06-30 | Bottom protection plate and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121489224.5U CN215152800U (en) | 2021-06-30 | 2021-06-30 | Bottom protection plate and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215152800U true CN215152800U (en) | 2021-12-14 |
Family
ID=79399697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121489224.5U Active CN215152800U (en) | 2021-06-30 | 2021-06-30 | Bottom protection plate and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215152800U (en) |
-
2021
- 2021-06-30 CN CN202121489224.5U patent/CN215152800U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4129427B2 (en) | Multi-density insulator type liner | |
| JP2007508985A (en) | Underbody cover for automobile | |
| JP2012141405A (en) | Buffering and sound absorbing material | |
| CN215152800U (en) | Bottom protection plate and automobile | |
| JPH08142246A (en) | Structure of surface material | |
| JP2008076871A (en) | Sound absorber and sound absorbing structure using thr same | |
| US8663809B2 (en) | Surface material substrate, surface material and molded body | |
| CN213972897U (en) | Heat and sound insulation pad for automobile engine compartment | |
| CN210151981U (en) | Sound-absorbing and fire-proof plate using red mud-based foamed geopolymer | |
| JP2008076870A (en) | Sound absorber and sound absorbing structure using the same | |
| CN115302892A (en) | Engine sound insulation cover and preparation method thereof | |
| CN210652235U (en) | Sound insulation pad structure of front wall cabin for automobile | |
| CN210881221U (en) | Automotive interior heat and sound insulation pad | |
| CN212021892U (en) | Automobile fender liner soundproof cotton | |
| CN218966353U (en) | Polypropylene composite layer structure for automobile bottom guard board and automobile bottom guard board | |
| CN220363313U (en) | Inhale antifouling inside lining for heat preservation vehicle that gives sound insulation | |
| CN220409915U (en) | Flame-retardant elastic heat-insulating felt for automobile battery | |
| CN215513518U (en) | Cover soundproof cotton convenient to change | |
| CN213359241U (en) | Anti-mildew fiber base material | |
| CN217021680U (en) | Soundproof cotton for vehicle | |
| CN217949383U (en) | Light insulation board with high puncture resistance | |
| JP2002268648A (en) | Sound absorbing and insulating structure for vehicle | |
| CN212423282U (en) | Engine compartment cover and automobile | |
| CN214774520U (en) | High-frequency sound wave absorption breathable flame-retardant two-component sound absorption cotton | |
| CN217968692U (en) | Hyperboloid honeycomb panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230807 Address after: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Chongqing Ruilan Automobile Research Institute Co.,Ltd. Address before: 310000 1760 Jiangling Road, Binjiang District, Hangzhou, Zhejiang. Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: ZHEJIANG JIZHI NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |