CN213199724U - Car roof sound absorption and noise reduction device for high-speed train - Google Patents
Car roof sound absorption and noise reduction device for high-speed train Download PDFInfo
- Publication number
- CN213199724U CN213199724U CN202021784160.7U CN202021784160U CN213199724U CN 213199724 U CN213199724 U CN 213199724U CN 202021784160 U CN202021784160 U CN 202021784160U CN 213199724 U CN213199724 U CN 213199724U
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- Prior art keywords
- wall
- speed train
- roof
- noise reduction
- pipe
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- Expired - Fee Related
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 24
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 239000011324 bead Substances 0.000 abstract description 12
- 238000009423 ventilation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a roof sound absorption and noise reduction device for high-speed train, which comprises a roof, the top outer wall of roof is provided with the supporting leg, and the one end outer wall of supporting leg is provided with the casing, and the top outer wall of casing is provided with the mount, the one end outer wall of mount is provided with the connecting pipe, and one side outer wall of connecting pipe is pegged graft and is had the intake pipe, the bottom outer wall of connecting pipe is pegged graft and is had first fixed pipe, and the bottom outer wall of first fixed pipe is pegged graft and is had the air duct, the circumference outer wall of air duct has cup jointed the sound insulation cover, and the one end of air. The utility model discloses when high-speed train traveles to the left side or right side, the inside deep bead of intake pipe that is located the connecting pipe right side can be opened, and the deep bead that is located the left intake pipe of connecting pipe inside simultaneously can last tightly closing to can effectually take a breath work to high-speed train, satisfied high-speed train's ventilation demand.
Description
Technical Field
The utility model relates to a technical field that makes an uproar falls in the train especially relates to a roof sound absorption noise reduction device for high-speed train.
Background
With the continuous development of society and the continuous progress of transportation tools, the high-speed train becomes one of the important transportation tools for people to go out. When a train runs at a high speed, a peripheral window is in a sealed state, so that a ventilation device needs to be arranged on the roof, but the ventilation device generates noise when the train runs at a high speed, so that a noise reduction device is needed to reduce the noise.
Through retrieval, chinese patent publication is CN 201921119597.6's patent, discloses a roof sound absorption and noise reduction device for high speed train, including the breather pipe, the inner wall of breather pipe is provided with solid ejector pin, the one end that the breather pipe was kept away from to solid ejector pin is provided with the catch basin, the both sides top of catch basin is provided with the aqueduct, the fixed slot has been seted up on the top of breather pipe, the top outer wall of breather pipe is inserted and is equipped with the inserted bar, and the outer wall of inserted bar cup joints the spring, the inside of fixed slot is inserted and is equipped with the fixed block, and the inside of fixed block has seted up the caulking hole, the top of fixed block is provided with the top cap, the top of top cap is. The roof sound absorption and noise reduction device for the high-speed train in the patent has the following defects: this device uses the basin to absorb sound, but rivers receive can produce after the wind-force and tumble to the inner wall that leads to water striking basin produces the noise, leads to the noise reduction effect greatly reduced of whole device, can not satisfy people's user demand. Therefore, there is a need for a roof sound absorption and noise reduction device for a high speed train to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a roof sound absorption and noise reduction device for a high-speed train.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a roof sound absorption and noise reduction device for high-speed train, includes the roof, the top outer wall of roof is provided with the supporting leg, and the one end outer wall of supporting leg is provided with the casing, and the top outer wall of casing is provided with the mount, the one end outer wall of mount is provided with the connecting pipe, and one side outer wall of connecting pipe pegs graft and have the intake pipe, the bottom outer wall of connecting pipe is pegged graft and is had first fixed pipe, and the bottom outer wall of first fixed pipe pegs graft and have the air duct, the circumference outer wall of air duct has cup jointed the sound insulation cover, and the one end of air duct is pegged graft and has the fixed pipe of second, the one.
Preferably, the bottom inner wall of intake pipe is provided with the fixed block, and one side outer wall of fixed block rotates and is connected with the rotation post, and one side outer wall of rotation post is provided with the deep bead.
Preferably, the top inner wall of intake pipe is provided with the fixed plate, and one side outer wall joint of fixed plate has the kelly, the one end outer wall fixedly connected with deep bead of kelly.
Preferably, the bottom inner wall of intake pipe fixedly connected with arc, and one side outer wall of arc contacts with one side outer wall of deep bead.
Preferably, the outer wall of the top of the shell is provided with a fixing hole, the inner wall of the circumference of the fixing hole is provided with a sealing groove, and a sealing gasket is clamped in the sealing groove.
Preferably, the inner walls of the two sides of the air guide pipe are both provided with connecting blocks, and the cross sections of the connecting blocks are triangular.
Preferably, the shell is filled with soundproof cotton.
The utility model has the advantages that:
1. through the intake pipe that sets up, the connecting pipe, the deep bead, the fixed plate, the kelly, the arc and the rotation post, when high-speed train went to the left side right side, its inside deep bead of intake pipe that is located the connecting pipe right side can be opened, and the deep bead that is located the left intake pipe of connecting pipe inside simultaneously can last tightly closing to can effectually take a breath the work to high-speed train, satisfied high-speed train's ventilation demand.
2. Through the first fixed pipe that sets up, air duct and connecting block, when the air passes through connecting pipe and first fixed intraduct entering air duct, because the internal diameter of air duct is far less than first fixed pipe and intake pipe, and the air duct is snakelike route that has prolonged the circulation of air greatly, the connecting block that the inner wall of air duct both sides set up simultaneously still can produce the hindrance to the air of circulation, consequently the flow rate of the air that slows down greatly to the noise that produces when also having reduced the circulation of air.
3. Through the soundproof sleeve and the soundproof cotton that set up, can improve the syllable-dividing effect of device greatly through the soundproof sleeve of air duct outer wall cladding at the in-process of circulation of air, simultaneously can effectual noise absorption through the soundproof cotton of the inside packing of casing, guaranteed the result of use of device.
Drawings
Fig. 1 is a schematic structural diagram of a roof sound absorption and noise reduction device for a high-speed train in accordance with embodiment 1;
FIG. 2 is a schematic cross-sectional view of a sound guide tube of the sound absorption and noise reduction device for a roof of a high-speed train in accordance with embodiment 1;
FIG. 3 is a schematic structural diagram of a housing of the sound absorption and noise reduction device on the roof of the high-speed train in accordance with embodiment 1;
fig. 4 is a partial enlarged structural diagram of a roof sound absorption and noise reduction device for a high-speed train, which is provided in embodiment 1;
fig. 5 is a schematic structural view of the soundproof cotton for the roof sound absorption and noise reduction device of the high-speed train in accordance with embodiment 2.
In the figure: 1 roof, 2 supporting legs, 3 casings, 4 sound-proof sleeves, 5 air ducts, 6 mounts, 7 intake pipes, 8 connecting pipes, 9 first fixed pipes, 10 seal ring, 11 fill, 12 fixed pipes of second, 13 connecting blocks, 15 fixed plates, 16 deep beads, 17 kellies, 18 arcs, 19 fixed blocks, 20 soundproof cotton.
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.
Example 1
Referring to fig. 1-4, a device of making an uproar falls in roof sound absorption for high-speed train includes roof 1, there is supporting leg 2 top outer wall of roof 1 through bolted connection, and there is casing 3 one end outer wall of supporting leg 2 through bolted connection, and the welding of the top outer wall of casing 3 has mount 6, there is connecting pipe 8 one end outer wall of mount 6 through bolted connection, and one side outer wall of connecting pipe 8 is pegged graft and is had intake pipe 7, the bottom outer wall of connecting pipe 8 is pegged graft and is had first fixed tube 9, and the bottom outer wall of first fixed tube 9 is pegged graft and is had air duct 5, the circumference outer wall of air duct 5 has cup jointed syllable-dividing cover 4, and the one end of air duct 5 is pegged graft and is had second fixed tube 12.
The utility model discloses in, the bottom inner wall welding of intake pipe 7 has fixed block 19, and one side outer wall rotation of fixed block 19 is connected with the rotation post, there is deep bead 16 one side outer wall of rotation post through bolted connection, the top inner wall welding of intake pipe 7 has fixed plate 15, and one side outer wall joint of fixed plate 15 has kelly 17, kelly 17's one end outer wall fixedly connected with deep bead 16, intake pipe 7's bottom inner wall fixedly connected with arc 18, and one side outer wall of arc 18 contacts with one side outer wall of deep bead 16, the top outer wall of casing 3 is opened there is the fixed orifices, and the circumference inner wall of fixed orifices opens there is the seal groove, the joint has seal ring 10 in the seal groove, the both sides inner wall of air duct 5 all is provided with connecting block 13, and.
The working principle is as follows: when the high-speed train runs to the left and right, the air baffle 16 in the air inlet pipe 7 on the right side of the connecting pipe 8 is opened, while the air inlet tube 7 on the left side of the connecting tube 8 has its air deflector 16 continuously closed, thereby effectively exchanging air for the high-speed train, meeting the ventilation requirement of the high-speed train, when air enters the air duct 5 through the connecting pipe 8 and the first fixing pipe 9, because the inner diameter of the air duct 5 is far smaller than that of the first fixing pipe 9 and the air inlet pipe 7, and the air duct 5 takes a snake shape, the path of air circulation is greatly prolonged, meanwhile, the connecting blocks 13 arranged on the inner walls of the two sides of the air duct 5 can also block the circulated air, thereby greatly slowing down the flow rate of the air, thereby also reducing the noise generated when the air circulates, the sound insulation effect of the device can be greatly improved through the sound insulation sleeve 4 coated on the outer wall of the air duct 5 in the air circulation process.
Example 2
Referring to fig. 5, in the present embodiment, compared to embodiment 1, a sound absorption and noise reduction device for a roof of a high-speed train is provided, and sound insulation cotton 20 is filled in a casing 3.
The working principle is as follows: the soundproof cotton filled in the shell 3 can effectively absorb noise, and the using effect of the device is ensured.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A roof sound absorption and noise reduction device for a high-speed train comprises a top plate (1) and is characterized in that the outer wall of the top plate (1) is provided with support legs (2), a shell (3) is arranged on the outer wall of one end of the supporting leg (2), a fixing frame (6) is arranged on the outer wall of the top of the shell (3), a connecting pipe (8) is arranged on the outer wall of one end of the fixing frame (6), an air inlet pipe (7) is inserted in the outer wall of one side of the connecting pipe (8), a first fixed pipe (9) is inserted in the outer wall of the bottom of the connecting pipe (8), the outer wall of the bottom of the first fixed pipe (9) is inserted with an air duct (5), the circumferential outer wall of the air duct (5) is sleeved with a sound insulation sleeve (4), and one end of the air duct (5) is inserted with a second fixed pipe (12), and one end of the second fixed pipe (12) is inserted with an air inlet hopper (11).
2. The sound absorption and noise reduction device for the roof of the high-speed train is characterized in that a fixed block (19) is arranged on the inner bottom wall of the air inlet pipe (7), a rotating column is rotatably connected to the outer wall of one side of the fixed block (19), and a wind shield (16) is arranged on the outer wall of one side of the rotating column.
3. The sound absorption and noise reduction device for the roof of the high-speed train is characterized in that a fixing plate (15) is arranged on the inner wall of the top of the air inlet pipe (7), a clamping rod (17) is clamped on the outer wall of one side of the fixing plate (15), and a wind shield (16) is fixedly connected to the outer wall of one end of the clamping rod (17).
4. The sound absorption and noise reduction device for the roof of the high-speed train is characterized in that an arc-shaped plate (18) is fixedly connected to the inner bottom wall of the air inlet pipe (7), and one outer side wall of the arc-shaped plate (18) is in contact with one outer side wall of the wind deflector (16).
5. The sound absorption and noise reduction device for the roof of the high-speed train as claimed in claim 4, wherein the outer wall of the top of the shell (3) is provided with a fixing hole, and the inner wall of the circumference of the fixing hole is provided with a sealing groove, and a sealing gasket (10) is clamped in the sealing groove.
6. The roof sound absorption and noise reduction device for the high-speed train as claimed in claim 5, wherein the air duct (5) is provided with connecting blocks (13) on the inner walls of both sides, and the cross section of each connecting block (13) is triangular.
7. The sound absorption and noise reduction device for the roof of the high-speed train as claimed in claim 2 or 5, wherein the interior of the housing (3) is filled with soundproof cotton (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784160.7U CN213199724U (en) | 2020-08-24 | 2020-08-24 | Car roof sound absorption and noise reduction device for high-speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021784160.7U CN213199724U (en) | 2020-08-24 | 2020-08-24 | Car roof sound absorption and noise reduction device for high-speed train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213199724U true CN213199724U (en) | 2021-05-14 |
Family
ID=75840735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021784160.7U Expired - Fee Related CN213199724U (en) | 2020-08-24 | 2020-08-24 | Car roof sound absorption and noise reduction device for high-speed train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213199724U (en) |
-
2020
- 2020-08-24 CN CN202021784160.7U patent/CN213199724U/en not_active Expired - Fee Related
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Legal Events
| 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: 20210514 |