CN220332668U - Sound insulation board, transverse wall for sleeper compartment and railway vehicle - Google Patents
Sound insulation board, transverse wall for sleeper compartment and railway vehicle Download PDFInfo
- Publication number
- CN220332668U CN220332668U CN202321157623.0U CN202321157623U CN220332668U CN 220332668 U CN220332668 U CN 220332668U CN 202321157623 U CN202321157623 U CN 202321157623U CN 220332668 U CN220332668 U CN 220332668U
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- 238000009413 insulation Methods 0.000 title claims abstract description 93
- 241001669679 Eleotris Species 0.000 title claims abstract description 22
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000011358 absorbing material Substances 0.000 claims description 14
- 238000013016 damping Methods 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 3
- 239000011120 plywood Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 146
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 2
- 230000003860 sleep quality Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
The utility model provides a sound insulation board, a transverse wall for a sleeper compartment and a railway vehicle, which belong to the technical field of sound insulation boards, wherein the sound insulation board comprises a high-density layer, two groups of sound insulation layers and two groups of wall board layers; the high-density layer is made of high-density materials; the two groups of sound insulation layers are symmetrically arranged on two sides of the high-density layer; the sound insulation layers are made of sound absorption materials, hollow layers are arranged in each group of sound insulation layers, and air media are filled in the hollow layers; the two groups of wallboard layers are symmetrically arranged on the outer sides of the two groups of sound insulation layers along the high-density layer, the wallboard layers are used for supporting the high-density layer and the sound insulation layers, the sound insulation plates are adopted by the transverse wall for the sleeper compartment, and the railway vehicle comprises the transverse wall for the sleeper compartment. The sound insulation plate, the transverse wall for the sleeper compartment and the railway vehicle are provided with the variable-density sound insulation structure, so that the sound insulation fit valley is improved, and the sound insulation quantity is improved.
Description
Technical Field
The utility model belongs to the technical field of sound insulation plates, and particularly relates to a sound insulation plate, a transverse wall for a sleeper compartment and a railway vehicle.
Background
The acoustic panel is used for isolating sound transmission in two adjacent spaces and plays an important role in various fields. The sleeping berth is used as a travel mode and has the advantages of safety, comfort, silence and the like. For example, a conventional compartment is provided with a compartment that needs to be separated from adjacent compartments by a transverse wall to protect the privacy of passengers.
The existing transverse wall of the booth is often of a single-layer wooden plate structure, the sound insulation amount is low, generally only 30dB, the sound insulation effect is poor, on one hand, the privacy of passengers in the booth can be revealed, on the other hand, the adjacent booth can be affected by noise, so that the passengers are awake in a night, and the sleeping of the passengers is affected.
Disclosure of Invention
The utility model aims to provide a sound insulation board, a transverse wall for a sleeper compartment and a railway vehicle, and aims to solve the technical problems that the conventional sleeper compartment transverse wall is poor in sound insulation effect, privacy of passengers is easy to leak, and sleeping of the passengers is influenced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, there is provided a sound insulating panel comprising:
a high density layer;
the two groups of sound insulation layers are symmetrically arranged on two sides of the high-density layer; the sound insulation layers are made of sound absorption materials, hollow layers are arranged in each group of sound insulation layers, and air media are filled in the hollow layers; and
the two groups of wallboard layers are symmetrically arranged on the outer sides of the two groups of sound insulation layers along the high-density layer, and the wallboard layers are used for supporting the high-density layer and the sound insulation layer;
wherein the high density layer, the sound insulation layer and the wall plate layer are different in density and weight.
With reference to the first aspect, in one possible implementation manner, the hollow layer is disposed in a middle portion of the sound insulation layer, and the thickness of the filling of the sound absorbing material on two sides of the hollow layer is equal.
With reference to the first aspect, in a possible implementation manner, two sides of each set of wall plate layers are respectively provided with a layer of damping patches; the damping patch is rubber damping, and the rubber damping is adhered to the wallboard layer.
With reference to the first aspect, in one possible implementation manner, the high-density layer is a steel plate or a lead plate; the sound absorbing material comprises carbon fiber cotton and glass cotton; the wallboard layer is a wooden plywood or a honeycomb board.
Compared with the prior art, the scheme disclosed by the embodiment of the application forms the variable-density sound insulation structure by arranging the high-density layer, the sound insulation layer and the wallboard layer, and the three layers of sound insulation structures have different weights and densities, so that the sound insulation fit valley is improved, and the sound insulation quantity is greatly improved; specifically, the sound-absorbing material is adopted in the sound-insulating layer so as to improve the medium-high frequency sound insulation; the hollow layer filled with air medium can provide additional sound insulation; the wall panel layer may also be used to support the interior sound barrier and high density layers.
In a second aspect, the present utility model also provides a transverse wall for a sleeping car booth, comprising:
the sound insulation plate is used for dividing the sleeper carriage into a plurality of compartments; the baffle has a first end and a second end;
the first connecting structure is arranged at the first end of the sound insulation plate; the first connecting structure is used for being connected with the top plate and the bottom plate of the packing room;
the second connecting structure is arranged at the second end of the sound insulation plate; the second connecting structure is used for being connected with the downstream wall of the booth.
With reference to the second aspect, in one possible implementation manner, the first connection structure includes:
a protruding portion provided at a first end of the wall plate layer at one side of the soundproof plate, the protruding portion being connected to the top plate or the bottom plate;
and the first connecting piece is arranged at the end surfaces of the sound insulation layer and the high-density layer at the first end and is respectively connected with the protruding part and the wallboard layer at the other side.
In some embodiments, the first connecting piece is of a Z-shaped structure with a horizontal middle part, and the middle part of the first connecting piece is abutted against the end surfaces of the sound insulation layer and the high-density layer; one side of the first connecting piece is connected to one side of the protruding part, which is close to the high-density layer, and the other side of the first connecting piece extends into the hollow layer, which is far away from the protruding part, and is connected to the wall plate layer on the other side.
With reference to the second aspect, in one possible implementation manner, the second connection structure includes a U-shaped piece with a bottom for being connected to the parawall, and two sides of the U-shaped piece are respectively connected to two groups of the wallboard layers.
In some embodiments, two sides of the U-shaped member extend into the two hollow layers respectively and are connected with the wallboard layers; and the U-shaped groove bottom of the U-shaped piece is abutted to the high-density layer and the sound insulation layer.
The application provides a transverse wall for sleeping car is used in a workshop owing to adopted above-mentioned acoustic celotex board, therefore has all beneficial effects of above-mentioned acoustic celotex board, can make the identical low ebb of sound insulation obtain improving to make the sound proof volume obtain very big promotion, protect passenger privacy, and avoid influencing adjacent compartment passenger's sleep quality.
In a third aspect, the utility model also provides a railway vehicle, comprising the transverse wall for the sleeper compartment.
The rail vehicle provided by the application has the beneficial effects that the transverse wall for the sleeper compartment is arranged, so that the sound insulation quantity can be greatly improved, the privacy of passengers is protected, and the sleeping quality of passengers in adjacent compartments is prevented from being influenced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a sound insulation board, a cross wall for a sleeper compartment and a railway vehicle according to an embodiment of the present utility model;
fig. 2 is a schematic view of a cross wall installation structure of a sleeping carriage.
In the figure: 1. a high density layer; 2. a sound insulation layer; 21. a sound absorbing material; 22. a hollow layer; 3. a wall panel layer; 31. a protruding portion; 4. damping patches; 5. a first connector; 6. a U-shaped piece; 7. a transverse wall; 8. along the wall; 9. a booth; 10. corridor.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 together, the sound insulation board, the transverse wall for a sleeper compartment and the railway vehicle provided by the utility model will now be described. The sound insulation board comprises a high-density layer 1, two groups of sound insulation layers 2 and two groups of wallboard layers 3; the high-density layer 1 is made of a high-density material; the two groups of sound insulation layers 2 are symmetrically arranged on two sides of the high-density layer; the sound insulation layers 2 are made of sound absorption materials 21, a hollow layer 22 is arranged in each group of sound insulation layers 2, and air media are filled in the hollow layers 22; two sets of wallboard layers 3 are located two sets of puigging 2 outside opposite sides along high density layer 1 symmetry, and wallboard layer 3 is used for supporting high density layer 1 and puigging 2.
It should be understood that the density and weight of the high density layer 1, sound insulating layer 2 and wallboard layer 3 in this application are different, and a multi-stage variable density sound insulating structure may be formed.
Preferably, the high-density layer 1 is made of a high-density sound insulation material with the thickness of 5mm, the sound insulation layer 2 is 27-30mm, and the wallboard layer 3 is made of a supporting and sound insulation structure with the thickness of 27-30 mm.
Compared with the prior art, the sound insulation board provided by the utility model has the advantages that the high-density layer 1, the sound insulation layer 2 and the wallboard layer 3 are arranged to form the variable-density sound insulation structure, and the weight and the density of the three layers of sound insulation structures are different, so that the sound insulation fit with the valley is improved, and the sound insulation quantity is greatly improved; specifically, the sound-absorbing material 21 is adopted in the sound-insulating layer 2 to improve the medium-high frequency sound insulation; and the air medium filled hollow layer 22 can provide additional sound insulation; the wall panel layer 3 may also be used to support the inner sound barrier layer 2 and the high density layer 1.
Referring to fig. 1, in one possible implementation, the hollow layer 22 is disposed in the middle of the sound insulation layer 2, and the thickness of the sound absorbing material 21 filled on both sides of the hollow layer 22 is equal.
Specifically, the sound insulation layer 2 includes a first sound absorption layer, a hollow layer 22, and a second sound absorption layer connected in sequence; wherein the first sound absorption layer is arranged on one side of the high-density layer 1, and the second sound absorption layer is connected with one side of the wallboard layer 3 close to the high-density layer 1. The first sound absorbing layer and the second sound absorbing layer are filled with sound absorbing material 21.
Alternatively, the thickness of the filled sound absorbing material 21 of the first sound absorbing layer and the second sound absorbing layer is about 10mm.
Alternatively, the hollow layers 22 positioned on both sides of the high-density layer 1 are filled with air media with equal thickness, which is an air layer of 10 mm; alternatively, the inner air medium of the two sets of hollow layers 22 may be filled with different thicknesses, wherein one hollow layer 22 has a thickness of 7mm and the other hollow layer 22 has a thickness of 10mm.
It should be understood that the air medium filled in the hollow layer 22 forms an air layer, so that contact with the high-density layer 1 can be avoided, thereby forming an acoustic bridge and affecting the sound insulation level.
Referring to fig. 1, in one possible implementation manner, two sides of each set of wall board layers 3 are respectively provided with a damping patch 4; the damping patch 4 is a rubber damping which is adhered to the wallboard layer 3.
By arranging the damping patch 4, the sound radiation noise caused by low-and-medium frequency vibration can be reduced, and the sound insulation effect of the sound insulation plate can be improved. Preferably, the damping patch 4 has a thickness of 2mm, so that the sound insulation effect can be improved on the basis of reducing the occupied space as much as possible.
Referring to fig. 1, in one possible implementation, the high-density layer 1 is a steel plate or a lead plate; the sound absorbing material 21 includes carbon fiber cotton and glass cotton; the wallboard layer 3 is a wood veneer or a honeycomb board.
It should be understood that the high-density layer 1 may be one of a steel plate or a lead plate, or may be a composite structure of a steel plate and a lead plate or a plate made of other high-density materials; further, the sound absorbing material is porous sound absorbing material 21 such as carbon fiber cotton and glass cotton, and may be a mixture of carbon fiber cotton and glass cotton; specifically, the materials of the high-density layer 1 and the sound insulation layer 2 can be selected according to actual needs; the sound absorbing material 21 may be directly adhered to the damper patch 4.
In a second aspect, the utility model also provides a transverse wall for a sleeping bag room, which comprises the sound insulation plate, a first connecting structure and a second connecting structure; the sound insulation plate is used for dividing the sleeper compartment into a plurality of compartments 9; the baffle has a first end and a second end; the first connecting structure is arranged at the first end of the sound insulation plate; the first connecting structure is used for connecting with the top plate and the bottom plate of the compartment 9; the second connecting structure is arranged at the second end of the sound insulation plate; the second connection structure is for connection with the parawall 8 of the booth 9.
By providing the first connection structure and the second connection structure, the upper and lower ends of the soundproof plate can be respectively fixed to separate the adjacent packing rooms 9.
For ease of understanding, the sleeping compartment 9 is illustrated in fig. 2 of the present application, and a corridor 10 is provided outside the compartment 9, wherein the transverse wall 7 needs to be connected to the parapet wall 8, the roof and the floor, respectively.
The application provides a transverse wall for sleeping car is used in a workshop owing to adopted above-mentioned acoustic celotex board, therefore has all beneficial effects of above-mentioned acoustic celotex board, can make the identical low ebb of sound insulation obtain improving to make the sound proof volume obtain very big promotion, protect passenger privacy, and avoid influencing the sleep quality of 9 passengers in adjacent package.
Referring to fig. 1, in one possible implementation, the first connection structure includes a protrusion 31 and a first connection member 5; the bulge 31 is arranged at the first end of the wallboard layer 3 at one side of the sound insulation board, and the bulge 31 is used for being connected with the top board or the bottom board; the first connecting member 5 is disposed at the end surfaces of the soundproof layer 2 and the high-density layer 1 at the first end and is connected with the protrusion 31 and the other side wall plate layer 3, respectively.
Specifically, the protrusion 31 is a part of the wallboard layer 3 protruding from the end of the sound insulation layer 2, the high density layer 1, and the wallboard layer 3
It will be appreciated that the first connector 5 serves to close the first end of the baffle plate and is connected to the top or bottom panel of the booth 9 by means of the projection 31.
Referring to fig. 1, in some embodiments, the first connecting member 5 has a Z-shaped structure with a horizontal middle portion, and the middle portion of the first connecting member 5 abuts against the end surfaces of the sound insulation layer 2 and the high density layer 1; one side of the first connector 5 is connected to the side of the protrusion 31 near the high density layer 1, and the other side of the first connector 5 extends into the hollow layer 22 far from the protrusion 31 and is connected to the wallboard layer 3 on the other side.
Specifically, one side of the first connection member 5 abuts on one side of the protruding portion 31 near the high-density layer 1, and the first connection member 5 and the protruding portion 31 are connected to the top plate and the bottom plate by screw connection members.
Alternatively, the middle part of the first connector 5 abuts against the end surfaces of the first sound absorption layer, the high density layer 1 and the hollow layer 22; specifically, at the first end, the end face of the second sound absorbing layer near the first end is lower than the end face of the first sound absorbing layer, and the end of the first connector 5 abuts on the end face of the second sound absorbing layer.
Referring to fig. 1, in one possible implementation, the second connection structure includes a U-shaped member 6 with a bottom for connecting to the wall 8, and two sides of the U-shaped member 6 are connected to two sets of wall board layers 3 respectively.
It will be appreciated that the U-shaped member 6 serves to close the second end of the baffle and to connect the second end of the baffle to the parawall 8.
As a specific embodiment of the U-shaped member 6, two sides of the U-shaped member 6 are respectively attached to the opposite outer sides of the two sets of wallboard layers 3 and connected to the corresponding wallboard layers 3; the U-shaped groove bottom of the U-shaped piece 6 is abutted with a sound insulation plate.
Referring to fig. 1, as another embodiment of the U-shaped member 6, two sides of the U-shaped member 6 extend into the two hollow layers 22 respectively and are connected to the wall board layer 3; and the U-shaped groove bottom of the U-shaped piece 6 is abutted against the high-density layer 1 and the sound insulation layer 2.
Optionally, the bottom of the U-shaped groove of the U-shaped member 6 is abutted with the high-density layer 1, the first sound absorption layer and the hollow layer 22, specifically, at the second end, the end face of the second sound absorption layer close to the second end is lower than the end face of the first sound absorption layer, and two ends of the U-shaped member 6 are respectively abutted on the end faces of the second sound absorption layer.
By extending the U-shaped piece 6 into the hollow layer 22 to fix the U-shaped piece and the wallboard layer 3, the U-shaped piece 6 can be hidden inside the sound insulation board, so that the structure of the transverse wall 7 is more attractive.
In addition, the utility model also provides a railway vehicle, which comprises the transverse wall for the sleeper compartment.
The rail vehicle provided by the application has the beneficial effects that the transverse wall for the sleeper compartment is provided, so that the sound insulation can be greatly improved, the privacy of passengers is protected, and the sleeping quality of 9 passengers in the adjacent compartment is prevented from being influenced.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A sound insulation board; characterized by comprising the following steps:
a high density layer;
the two groups of sound insulation layers are symmetrically arranged on two sides of the high-density layer; the sound insulation layers are made of sound absorption materials, hollow layers are arranged in each group of sound insulation layers, and air media are filled in the hollow layers; and
the two groups of wallboard layers are symmetrically arranged on the outer sides of the two groups of sound insulation layers along the high-density layer, and the wallboard layers are used for supporting the high-density layer and the sound insulation layer;
wherein the high density layer, the sound insulation layer and the wall plate layer are different in density and weight.
2. The baffle of claim 1 wherein the hollow layer is disposed in the middle of the baffle and the sound absorbing material on both sides of the hollow layer is filled to equal thickness.
3. The baffle of claim 1 wherein each of said wall panel layers has a layer of damping patches on each side thereof; the damping patch is rubber damping, and the rubber damping is adhered to the wallboard layer.
4. The acoustic panel of claim 1, wherein the high density layer is a steel or lead plate; the sound absorbing material comprises carbon fiber cotton and glass cotton; the wallboard layer is a wooden plywood or a honeycomb board.
5. Transverse wall for sleeping car is between, its characterized in that includes:
the acoustic panel of any of claims 1-4 for dividing a sleeper compartment into a plurality of compartments; the baffle has a first end and a second end;
the first connecting structure is arranged at the first end of the sound insulation plate; the first connecting structure is used for being connected with the top plate and the bottom plate of the packing room;
the second connecting structure is arranged at the second end of the sound insulation plate; the second connecting structure is used for being connected with the downstream wall of the booth.
6. The cross wall for a sleeper compartment as described in claim 5 wherein said first connecting structure comprises:
a protruding portion provided at a first end of the wall plate layer at one side of the soundproof plate, the protruding portion being connected to the top plate or the bottom plate;
and the first connecting piece is arranged at the end surfaces of the sound insulation layer and the high-density layer at the first end and is respectively connected with the protruding part and the wallboard layer at the other side.
7. The cross wall for a sleeper compartment of claim 6, wherein the first connector has a Z-shaped structure with a horizontal middle portion, and the middle portion of the first connector is abutted against the end surfaces of the sound insulation layer and the high-density layer; one side of the first connecting piece is connected to one side of the protruding part; the other side of the first connecting piece extends into the hollow layer far away from the protruding part and is connected to the wall plate layer on the other side.
8. The cross wall for a sleeping car booth as claimed in claim 5, wherein the second connecting structure includes a U-shaped member having a bottom portion for connecting to the booth wall, and both sides of the U-shaped member are connected to two sets of the wall plate layers, respectively.
9. The cross wall for a sleeper compartment of claim 8, wherein both sides of the U-shaped member extend into both of the hollow layers and are connected to the wall plate layers, respectively; and the U-shaped groove bottom of the U-shaped piece is abutted to the high-density layer and the sound insulation layer.
10. A rail vehicle comprising a cross wall for a sleeper compartment as defined in any one of claims 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321157623.0U CN220332668U (en) | 2023-05-15 | 2023-05-15 | Sound insulation board, transverse wall for sleeper compartment and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321157623.0U CN220332668U (en) | 2023-05-15 | 2023-05-15 | Sound insulation board, transverse wall for sleeper compartment and railway vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220332668U true CN220332668U (en) | 2024-01-12 |
Family
ID=89447855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321157623.0U Active CN220332668U (en) | 2023-05-15 | 2023-05-15 | Sound insulation board, transverse wall for sleeper compartment and railway vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220332668U (en) |
-
2023
- 2023-05-15 CN CN202321157623.0U patent/CN220332668U/en active Active
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