CN213008415U - Double-layer sealing double-layer heat insulation noise reduction access cover assembly for passenger car - Google Patents
Double-layer sealing double-layer heat insulation noise reduction access cover assembly for passenger car Download PDFInfo
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- CN213008415U CN213008415U CN202021750419.6U CN202021750419U CN213008415U CN 213008415 U CN213008415 U CN 213008415U CN 202021750419 U CN202021750419 U CN 202021750419U CN 213008415 U CN213008415 U CN 213008415U
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- 238000009413 insulation Methods 0.000 title claims description 29
- 238000007789 sealing Methods 0.000 title claims description 26
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
- 229910052782 aluminium Inorganic materials 0.000 claims description 33
- 229920000742 Cotton Polymers 0.000 claims description 20
- 239000003063 flame retardant Substances 0.000 claims description 15
- 239000010985 leather Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000010079 rubber tapping Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 238000009408 flooring Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000004698 Polyethylene Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Body Structure For Vehicles (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
The utility model discloses a double-deck sealed double-deck heat-insulating and noise-reducing access cover assembly for passenger train, including underframe aluminium alloy, access hole apron assembly and the thermal-insulating and noise-reducing layer of second, underframe aluminium alloy is connected on automobile body skeleton square steel, access hole apron assembly compresses tightly downwards will through fastening bolt the thermal-insulating and noise-reducing layer of second with underframe aluminium alloy fastening connection, access hole apron assembly includes decorates cover aluminium alloy, upper cover plate, decorates plastic flooring and the thermal-insulating and noise-reducing layer of first. The utility model discloses compact structure is reasonable, and sealed effect is good, and the appearance is pleasing to the eye, and double-deck sealed and double-deck thermal-insulated noise reduction structure makes thermal-insulated noise reduction better, and convenient assembling is swift, is fit for extensively promoting.
Description
Technical Field
The utility model relates to an accessory field for the car especially relates to a passenger train is with double-deck sealed double-deck thermal-insulated access cover assembly of making an uproar that falls.
Background
The passenger car floor is provided with the access hole, so that the periphery of the access hole is easy to be not tightly sealed, the sealing condition of the whole car is deteriorated, the heat insulation and noise reduction performance is reduced, heat and noise in an engine cabin or outside the car are transferred into a carriage, and particularly, the requirement of people on the comfort level of traveling is higher and higher nowadays, which can seriously affect the driving experience of the passenger car; most of floor access covers on the existing passenger cars adopt aluminum profiles and wood floors, the upper surfaces of the floor access covers adopt a floor leather form, the lower parts of the floor access covers are sealed by sealing rubber strips, and after the floor access covers are opened and closed for many times or the rubber strips are aged gradually, the sealing, heat insulation and noise reduction performances of the floor access covers are greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a passenger train is with double-deck sealed double-deck thermal-insulated access cover assembly of making an uproar that falls solves sealed, thermal-insulated and fall the performance of making an uproar and all not too ideal problem.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a double-deck sealed double-deck heat insulation and noise reduction access cover assembly for passenger train, including underframe aluminium alloy, access hole cover plate assembly and second heat insulation and noise reduction layer, underframe aluminium alloy is connected on automobile body skeleton square steel, access hole cover plate assembly compresses tightly downwards and will through fastening bolt second heat insulation and noise reduction layer and the underframe aluminium alloy is connected; the access hole cover plate assembly comprises a decorative cover aluminum profile, an upper cover plate, decorative floor leather and a first heat-insulating noise-reducing layer, wherein the decorative cover aluminum profile is bonded or clamped at the groove of the upper cover plate, the decorative floor leather is bonded or clamped on the upper surface of the upper cover plate, and the first heat-insulating noise-reducing layer is arranged on the lower surface of the upper cover plate; and the second heat-insulating noise-reducing layer is arranged below the first heat-insulating noise-reducing layer.
Furthermore, first thermal-insulated noise reduction layer is including thermal-insulated soundproof cotton and single face subsides PE cotton, thermal-insulated soundproof cotton bonds the lower surface of upper cover plate, the cotton upper surface of single face subsides PE bonds thermal-insulated soundproof cotton's lower surface and parcel bonding are in the protruding edge in bottom of upper cover plate.
Furthermore, a handle is arranged on the access hole cover plate assembly.
Further, the second is thermal-insulated to fall and is fallen the layer of making an uproar including the pad that gives sound insulation, reinforcing plate and fire-retardant thermal-insulated the layer of making an uproar that falls, give sound insulation the pad and bond the upper surface of reinforcing plate, fire-retardant thermal-insulated the layer of making an uproar that falls bonds the lower surface of reinforcing plate, the lower surface on fire-retardant thermal-insulated the layer of making an uproar that falls is provided with the underframe aluminium.
Furthermore, a bubble sealing rubber strip is sleeved on the periphery of a seam allowance at the lower part of the bottom frame aluminum profile, and the bubble sealing rubber strip can be partially compressed and deformed to play a first sealing role when being extruded by the second heat insulation and noise reduction layer.
Further, there are two semicircle protruding structures on the underframe aluminium alloy lower part holding surface, the second is thermal-insulated to fall and is fallen the layer of making an uproar and install on the underframe aluminium alloy, fire-retardant thermal-insulated layer of making an uproar falls because the atress can underframe aluminium alloy protruding structure department warp and plays the sealed effect of second way.
Furthermore, a floor is laid above the square steel of the vehicle body framework, and floor leather is laid above the floor.
Furthermore, the periphery of the upper part of the bottom frame aluminum profile is fixed on the square steel of the vehicle body framework through self-tapping screws; and the tapping on the lower supporting surface of the aluminum profile of the bottom frame is connected with the fastening bolt through a threaded hole.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to a double-deck sealed double-deck heat insulation and noise reduction access cover assembly for passenger car, which comprises a bottom frame aluminum profile, an access cover assembly and a second sealed noise reduction layer, wherein the bottom frame aluminum profile is connected on the square steel of the car body framework, and the access cover assembly is pressed downwards and is connected with the second heat insulation and noise reduction layer and the bottom frame aluminum profile through fastening bolts; the access hole cover plate assembly comprises a decorative cover aluminum profile, an upper cover plate, decorative floor leather and a first heat-insulating noise-reducing layer, wherein the first heat-insulating noise-reducing layer is arranged on the lower surface of the upper cover plate; the below on first thermal-insulated layer of making an uproar that falls is provided with the thermal-insulated layer of making an uproar that falls of second, first thermal-insulated layer of making an uproar that falls includes thermal-insulated soundproof cotton and single-sided subsides PE cotton, the thermal-insulated layer of making an uproar that falls of second includes sound insulation pad, reinforcing plate and fire-retardant thermal-insulated layer of making an uproar that falls.
The lower part of the bottom frame aluminum profile is provided with a bubble sealing rubber strip, and the second heat-insulating noise-reducing layer extrudes the bubble sealing rubber strip to cause partial compression deformation of the bubble sealing rubber strip to play a first sealing role; there are two semicircle protruding structures on the underframe aluminium alloy lower part holding surface, the second separates heat and falls the layer of making an uproar because the atress can underframe aluminium alloy protruding structure department warp and plays the sealed effect of second way, and the double-deck sealed and double-deck separates heat and falls the structure of making an uproar, can be better play sealed thermal-insulated the effect of making an uproar that falls, and fine improvement whole car drives and experiences.
The bottom frame aluminum profile, the access opening cover plate assembly and the second heat-insulating noise-reducing layer can realize product modularization and large-scale production and assembly, so that the production efficiency is greatly improved; an automobile manufacturer does not need to weld an access hole supporting structure on an automobile body framework and glue sealing treatment around the access hole, and the access cover assembly is directly installed on the access hole, so that the installation is convenient, the labor intensity is reduced, and the labor cost is saved; the aluminum profile of the decorative cover is an integrally formed part, has good dimensional stability and good processing performance, and is suitable for mass production and processing.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a front view (section view) of a double-layer sealing double-layer heat-insulating noise-reducing access cover assembly for a passenger car of the present invention;
FIG. 2 is a top view of the double-layer sealing double-layer heat-insulating noise-reducing access cover assembly for a passenger car of the present invention;
FIG. 3 is a partial enlarged view of the utility model at A;
description of reference numerals: 1. underframe aluminium alloy, 2, dress trim cover aluminium alloy, 3, upper cover plate, 4, fastening bolt, 5, decorate plastic flooring, 6, thermal-insulated soundproof cotton, 7, single face subsides PE cotton, 8, sound insulating pad, 9, reinforcing plate, 10, fire-retardant thermal-insulated layer of making an uproar that falls, 11, bubble joint strip, 12, self-tapping screw, 13, automobile body skeleton square steel, 14, plastic flooring, 15, floor, 16, handle.
Detailed Description
As shown in fig. 1-2, a double-layer sealing double-layer heat-insulating noise-reducing access cover assembly for a passenger car: the automobile body frame aluminum profile comprises a bottom frame aluminum profile 1, an access opening cover plate assembly and a second heat-insulating noise-reducing layer, wherein the bottom frame aluminum profile 1 is connected to automobile body frame square steel 13, the access opening cover plate assembly is pressed downwards, and the second heat-insulating noise-reducing layer is connected with the bottom frame aluminum profile 1 through fastening bolts; the access hole cover plate assembly comprises a decorative cover aluminum profile 2, an upper cover plate 3, decorative floor leather 5 and a first heat-insulating noise-reducing layer, wherein the decorative cover aluminum profile 2 is bonded or clamped at a groove of the upper cover plate 3, the decorative floor leather 5 is bonded or clamped on the upper surface of the upper cover plate 3, and the first heat-insulating noise-reducing layer is arranged on the lower surface of the upper cover plate 3; and the second heat-insulating noise-reducing layer is arranged below the first heat-insulating noise-reducing layer.
Specifically, the first heat-insulating and noise-reducing layer comprises heat-insulating and sound-insulating cotton 6 and single-face PE (polyethylene) cotton 7, the heat-insulating and sound-insulating cotton 6 is bonded to the lower surface of the upper cover plate 3, and the upper surface of the single-face PE cotton 7 is bonded to the lower surface of the heat-insulating and sound-insulating cotton 6 and wraps and is bonded to the raised edge at the bottom of the upper cover plate; the thermal-insulated layer of making an uproar of falling of second includes sound insulation pad 8, reinforcing plate 9 and fire-retardant thermal-insulated layer 10 of making an uproar of falling, sound insulation pad 8 bonds the upper surface of reinforcing plate 9, fire-retardant thermal-insulated layer 10 of making an uproar of falling bonds the lower surface of reinforcing plate 9, the lower surface on fire-retardant thermal-insulated layer of making an uproar of falling is provided with the underframe aluminium alloy, the lower surface on fire-retardant thermal-insulated layer 10 of making an uproar of falling can be according to the condition of using, in regions such as high temperature no electric appliance.
The periphery of a seam allowance at the lower part of the bottom frame aluminum profile 1 is sleeved with a bubble sealing rubber strip 11, and the bubble sealing rubber strip 11 can be partially compressed and deformed to play a first sealing role when being extruded by the second heat insulation and noise reduction layer; as shown in fig. 3, two semicircular convex structures are arranged on the lower supporting surface of the bottom frame aluminum profile 1; the second is thermal-insulated to fall and is fallen the layer of making an uproar and install on underframe aluminium alloy 1, fire-retardant thermal-insulated layer of making an uproar 10 of falling is because the atress can 1 protruding structure department of underframe aluminium alloy warp and plays the sealed effect of second way, and the double-deck sealed and double-deck thermal-insulated structure of making an uproar that falls can play very showing sealed thermal-insulated noise reduction effect, and very big improvement whole car drives and takes experience.
A floor 15 is laid above the square steel 13 of the vehicle body framework, and floor leather 14 is laid above the floor 15. The periphery of the upper part of the bottom frame aluminum profile 1 is fixed on the body framework square steel 13 through self-tapping screws 12; tapping on the lower supporting surface of the bottom frame aluminum profile 1 is connected with a fastening bolt 4 through a threaded hole; be provided with handle 16 on the access hole cover plate assembly, the handle 16 symmetry is provided with two, the installation and the dismantlement of the access hole cover assembly of being convenient for, transport operation.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (8)
1. The utility model provides a passenger train is with double-deck sealed double-deck heat-insulating access cover assembly of making an uproar that falls which characterized in that: the automobile body frame aluminum profile comprises a bottom frame aluminum profile (1), an access opening cover plate assembly and a second heat-insulating noise-reducing layer, wherein the bottom frame aluminum profile (1) is connected to automobile body frame square steel (13), and the access opening cover plate assembly is pressed downwards to tightly connect the second heat-insulating noise-reducing layer and the bottom frame aluminum profile (1) in a fastening mode through fastening bolts (4); the access hole cover plate assembly comprises a decorative cover aluminum profile (2), an upper cover plate (3), decorative floor leather (5) and a first heat-insulating and noise-reducing layer, wherein the decorative cover aluminum profile (2) is bonded or clamped at a groove of the upper cover plate (3), the decorative floor leather (5) is bonded on the upper surface of the upper cover plate (3), and the first heat-insulating and noise-reducing layer is arranged on the lower surface of the upper cover plate (3); and the second heat-insulating noise-reducing layer is arranged below the first heat-insulating noise-reducing layer.
2. The double-layer sealing double-layer heat-insulation noise-reduction access cover assembly for the passenger car according to claim 1, characterized in that: the first heat-insulation noise-reduction layer comprises heat-insulation soundproof cotton (6) and single-face-pasted PE cotton (7), the heat-insulation soundproof cotton (6) is bonded on the lower surface of the upper cover plate (3), the single-face-pasted PE cotton (7) is bonded on the lower surface of the heat-insulation soundproof cotton (6), and the single-face-pasted PE cotton (7) is wrapped and bonded on the raised edge at the bottom of the upper cover plate (3).
3. The double-layer sealing double-layer heat-insulation noise-reduction access cover assembly for the passenger car according to claim 1, characterized in that: and a handle (16) is arranged on the access hole cover plate assembly.
4. The double-layer sealing double-layer heat-insulation noise-reduction access cover assembly for the passenger car according to claim 1, characterized in that: the second thermal-insulated layer of making an uproar that falls includes sound insulation pad (8), reinforcing plate (9) and fire-retardant thermal-insulated layer of making an uproar (10) of making an uproar that falls, sound insulation pad (8) bonds the upper surface of reinforcing plate (9), fire-retardant thermal-insulated layer of making an uproar (10) that falls bonds the lower surface of reinforcing plate (9), the lower surface on fire-retardant thermal-insulated layer of making an uproar that falls is provided with the underframe aluminium alloy.
5. The double-layer sealing double-layer heat-insulation noise-reduction access cover assembly for the passenger car as claimed in claim 4, wherein: the bottom frame aluminum profile (1) lower part tang is equipped with on the cover all around and is equipped with bubble joint strip (11), bubble joint strip (11) are receiving can partial compression deformation play first sealed effect when the second is thermal-insulated to fall the layer extrusion of making an uproar.
6. The double-layer sealing double-layer heat-insulation noise-reduction access cover assembly for the passenger car as claimed in claim 4, wherein: there are two semicircle protruding structures on the lower part holding surface of underframe aluminium alloy (1), the layer of making an uproar is fallen in the second thermal-insulated, fire-retardant thermal-insulated layer (10) of making an uproar falls because the atress can be in underframe aluminium alloy (1) protruding structure department warp and plays the sealed effect of second way.
7. The double-layer sealing double-layer heat-insulation noise-reduction access cover assembly for the passenger car according to claim 1, characterized in that: a floor (15) is laid above the square steel (13) of the vehicle body framework, and floor leather (14) is laid above the floor (15).
8. The double-layer sealing double-layer heat-insulation noise-reduction access cover assembly for the passenger car according to claim 1, characterized in that: the periphery of the upper part of the bottom frame aluminum profile (1) is fixed on the square steel (13) of the vehicle body framework through self-tapping screws (12); tapping on the lower supporting surface of the bottom frame aluminum profile (1) is connected with the fastening bolt (4) through a threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021750419.6U CN213008415U (en) | 2020-08-20 | 2020-08-20 | Double-layer sealing double-layer heat insulation noise reduction access cover assembly for passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021750419.6U CN213008415U (en) | 2020-08-20 | 2020-08-20 | Double-layer sealing double-layer heat insulation noise reduction access cover assembly for passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213008415U true CN213008415U (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021750419.6U Expired - Fee Related CN213008415U (en) | 2020-08-20 | 2020-08-20 | Double-layer sealing double-layer heat insulation noise reduction access cover assembly for passenger car |
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| Country | Link |
|---|---|
| CN (1) | CN213008415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116176709A (en) * | 2023-02-14 | 2023-05-30 | 中通客车股份有限公司 | Passenger train floor access cover structure |
-
2020
- 2020-08-20 CN CN202021750419.6U patent/CN213008415U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116176709A (en) * | 2023-02-14 | 2023-05-30 | 中通客车股份有限公司 | Passenger train floor access cover structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210420 |