CN212776225U - Warm air current silencer that leads to of building engineering - Google Patents
Warm air current silencer that leads to of building engineering Download PDFInfo
- Publication number
- CN212776225U CN212776225U CN202021695469.9U CN202021695469U CN212776225U CN 212776225 U CN212776225 U CN 212776225U CN 202021695469 U CN202021695469 U CN 202021695469U CN 212776225 U CN212776225 U CN 212776225U
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- sound
- pipe
- shell
- blocking
- guide hole
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- 230000003584 silencer Effects 0.000 title claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 239000011358 absorbing material Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 230000030279 gene silencing Effects 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 241000446313 Lamella Species 0.000 claims description 11
- 238000009423 ventilation Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 230000009467 reduction Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 claims 1
- 230000008439 repair process Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
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Abstract
The utility model discloses a warm logical air current silencer of building engineering, including intermediate plate, sound absorbing material pipe one, sound absorbing material pipe two, hindering nature amortization shell, sound insulating cylinder, guide hole, second grade micropore sound blocking pipe, one-level micropore sound blocking pipe, sound guide pipe one and connecting pipe, the connecting pipe is with being equipped with helicitic texture fixed connection between the sound guide pipe one, the inside resistance amortization piece that is equipped with the cylinder type of sound insulating cylinder, the inside upper and lower extreme front and back side of resistance amortization piece all is equipped with the expansion room, expansion room internal portion top surface and bottom surface all are equipped with staggered distribution's acoustic celotex board, all peg graft on the wall of resistance amortization piece both sides and be equipped with the air duct two of the indoor portion intercommunication of co-expansion, intermediate plate center department is equipped with air guide hole one, an inside micropore sound blocking board that is. Compared with the prior art, the utility model the advantage lie in: simple structure and can be disassembled for repair and replacement of single component.
Description
Technical Field
The utility model relates to a silencer technical field specifically indicates a building engineering heating ventilation air flow silencer.
Background
The silencer is a device for reducing the noise of airflow, is arranged in a pipeline or on an air inlet and an air outlet, and has a certain reduction effect on the noise while the airflow passes through. In recent years, a silencer is also applied to heating ventilation in building engineering, and the silencer adopts an impedance composite type silencing principle in order to ensure the silencing effect, but the internal structure of the existing silencer is too complex, so that the silencer needs to be completely replaced once being damaged, the silencer cannot be detached and repaired or a single part cannot be replaced, and the using effect is poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome above-mentioned defect, provide a simple structure with can dismantle the warm air current silencer that leads to of building engineering who repairs and change single part.
In order to solve the technical problem, the utility model provides a technical scheme does: a warm ventilation silencer for building engineering comprises a middle plate, wherein a first sound absorption material pipe and a second sound absorption material pipe are respectively arranged at the left end and the right end of the middle plate, a cylindrical resistive silencing shell sleeved on the first sound absorption material pipe is arranged at the left end of the middle plate, a sound insulation barrel sleeved on the second sound absorption material pipe is arranged at the right end of the middle plate, a guide hole is formed in the center of the left wall of the resistive silencing shell, a second-level microporous sound-blocking pipe is arranged on the left wall inside the resistive silencing shell, a first-level microporous sound-blocking pipe is arranged inside the second-level microporous sound-blocking pipe, a first sound-guiding pipe is arranged at the left end outside the second-level microporous sound-blocking pipe, the sound-guiding pipes are communicated with the first-level microporous sound-blocking pipe, the left end of the first sound-guiding pipe penetrates through the guide hole and extends to the left side outside the resistive shell, a connecting pipe is inserted into the, the improved sound insulation barrel is characterized in that cylindrical reactive silencing blocks are arranged inside the sound insulation barrel, expansion chambers are arranged on the front side and the rear side of the upper end and the lower end inside the reactive silencing blocks, sound insulation plates distributed in a staggered mode are arranged on the top face and the bottom face of the inside of each expansion chamber, air guide tubes II communicated with the inside of each expansion chamber are inserted into the two side walls of each reactive silencing block in an inserted mode, an air guide hole I is arranged in the center of the middle plate, and a micropore sound insulation plate is arranged inside each air guide hole I.
Compared with the prior art, the utility model the advantage lie in: compared with the prior art, the utility model discloses divide into three major parts with the device structure, intermediate lamella, hindering nature amortization shell and resistance amortization piece triplex all connect through modes such as grafting between each part, guarantee when having guaranteed its inner structure simplification that each part is can dismantle, can dismantle the maintenance when damaging to change or repair according to the damage part, save the maintenance cost.
As the improvement, all be equipped with the connecting block on the right side of the upper and lower end of hindering nature amortization shell and the last lower extreme left side of a sound insulation section of thick bamboo, the left side the fixed nut that is equipped with in connecting block left end, through being equipped with screw rod fixed connection between intermediate lamella, connecting block and the nut. The cooperation through screw rod and nut is used, connects intermediate lamella, hindering nature amortization shell and a sound insulation section of thick bamboo, further guarantees the firm nature of connection of device, has detachability simultaneously.
As an improvement, the two sides of the middle plate are respectively provided with a sound absorption rubber ring which is respectively sleeved on the first sound absorption material pipe and the second sound absorption material pipe. The effect of inhaling the sound rubber ring is blockking up the gap between intermediate lamella, resistant amortization shell and the sound insulation section of thick bamboo, avoids the air current to derive from the gap to can absorb certain sound.
As an improvement, the left end of the reactive silencing block is provided with a sound blocking shell which is sleeved on the air guide tube II, the sound blocking shell is inserted into the sound absorption material tube II, and the left wall of the sound blocking shell is provided with an air guide hole II. The sound blocking shell is used for ensuring the tightness of connection between the air guide pipe and the second sound absorption material pipe, and the air guide hole II is used for facilitating air to enter the expansion chamber.
As an improvement, the left end of the connecting pipe is sleeved with a flange plate. The function of ring flange is to make things convenient for the connecting pipe to be connected with the heating and ventilating pipeline.
Drawings
Fig. 1 is the structural schematic diagram of the utility model relates to a warm ventilative air silencer of building engineering.
Fig. 2 is a right side view of the utility model relates to a warm ventilative air silencer of building engineering.
As shown in the figure: 1. the sound insulation structure comprises a middle plate, 2, a first sound absorption material pipe, 3, a second sound absorption material pipe, 4, a resistance sound attenuation shell, 5, a sound insulation cylinder, 6, a guide hole, 7, a second-stage micropore sound attenuation pipe, 8, a first-stage micropore sound attenuation pipe, 9, a first sound guide pipe, 10, a connecting pipe, 11, a resistance sound attenuation block, 12, an expansion chamber, 13, a sound insulation plate, 14, a second air guide pipe, 15, a first air guide hole, 16, a micropore sound attenuation plate, 17, a connecting block, 18, a nut, 19, a screw rod, 20, a sound absorption rubber ring, 21, a sound attenuation shell, 22, a second air guide hole, 23 and a flange plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
With reference to the attached drawing 1, a warm ventilation silencer for construction engineering comprises a middle plate 1, wherein a first sound absorption material pipe 2 and a second sound absorption material pipe 3 are respectively arranged at the left end and the right end of the middle plate 1, a cylindrical resistive silencing shell 4 sleeved on the first sound absorption material pipe 2 is arranged at the left end of the middle plate 1, a sound insulation barrel 5 sleeved on the second sound absorption material pipe 3 is arranged at the right end of the middle plate 1, a guide hole 6 is arranged at the center of the left wall of the resistive silencing shell 4, a second-level microporous sound resistance pipe 7 is arranged on the left wall inside the resistive shell 4, a first-level microporous sound resistance pipe 7 is arranged inside the second-level microporous sound resistance pipe 7, a first sound guide pipe 9 is arranged at the left end outside of the second-level microporous sound resistance pipe 7, the first sound guide pipe 9 is communicated with the inside of the same-level microporous sound resistance pipe 8, the first sound guide pipe 9 penetrates through the guide hole 6 and extends to the left side outside the resistive silencing shell, the connecting pipe 10 is fixedly connected with the first sound guide pipe 9 through a threaded structure, a cylindrical reactive sound-absorbing block 11 is arranged inside the sound insulation barrel 5, expansion chambers 12 are arranged on the front side and the rear side of the upper end and the lower end inside the reactive sound-absorbing block 1, sound insulation plates 13 distributed in a staggered mode are arranged on the top face and the bottom face inside the expansion chambers 12, two air guide pipes 14 communicated with the inside of the expansion chambers 12 are inserted into two side walls of the reactive sound-absorbing block 1 in an inserted mode, a first air guide hole 15 is formed in the center of the middle plate 1, and a micropore sound-blocking plate 16 is arranged inside the first air guide hole 15.
Resistive noise reduction shell 4 is gone up the lower extreme right side and is all equipped with connecting block 17 in the lower extreme left side on the sound insulating cylinder 5, the left side connecting block 17 left end is fixed and is equipped with nut 18, through being equipped with screw rod 19 fixed connection between intermediate lamella 1, connecting block 17 and the nut 18.
And sound-absorbing rubber rings 20 respectively sleeved on the first sound-absorbing material pipe 2 and the second sound-absorbing material pipe 3 are arranged on two sides of the middle plate 1.
The left end of the reactive silencing block 11 is provided with a sound blocking shell 21 sleeved on the air guide tube II 14, the sound blocking shell 21 is inserted into the sound absorption material tube II 3, and the left wall of the sound blocking shell 21 is provided with an air guide hole II 22.
And a flange plate 23 is sleeved at the left end of the connecting pipe 10.
The utility model discloses when concrete implementation, the utility model discloses practical second grade micropore sound-proof pipe 7, one-level micropore sound-proof pipe 8 and micropore sound-proof board 16 all are equipped with the micropore that a plurality of aperture is 1.0mm to interval between second grade micropore sound-proof pipe 7 and the one-level micropore sound-proof pipe 8 is 20cm, and the width of guaranteeing the air bed is enough, can absorb sound through these tiny micropores, noise reduction. When the noise reduction device is used specifically, the connecting pipe 10 is connected with a heating and ventilation pipeline through the flange plate 23, gas in the heating and ventilation pipeline enters the first-stage micropore sound-blocking pipe 8, part of noise is absorbed by permeating surface micropores and enters the second-stage micropore sound-blocking pipe 7, then part of noise is absorbed by the second-stage micropore sound-blocking pipe 7 and enters the sound-absorbing material pipe two 3, then the gas flows along the gas guide hole one 15, the micropore sound-blocking plate 16 arranged in the gas guide hole one 15 can absorb the rest part of noise, a small amount of low-frequency and medium-frequency noise is stored and enters the expansion chamber 12, the inner section of the expansion chamber 12 is suddenly changed through the arranged sound-insulating plate 13 in the expansion chamber 12, the space of each divided expansion chamber 12 has own natural frequency, the similar noise frequency can be reflected by the space inside of each divided expansion chamber 12 and can not be transmitted to the outside, final acoustic energy turns into heat energy and is consumed away, the utility model discloses when the problem appears and need maintain, only need rotate screw rod 19, remove screw rod 19 and remove down the connection of intermediate lamella 1, hindering nature amortization shell 4 and a sound insulation section of thick bamboo 5, then power respectively stimulate hindering nature amortization shell 4 and a sound insulation section of thick bamboo 5 and can maintain three part separation or change easy operation.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. The utility model provides a warm air current silencer that leads to of building engineering, includes intermediate lamella (1), intermediate lamella (1) left end and right-hand member are equipped with sound absorbing material pipe (2) and sound absorbing material pipe two (3) respectively, intermediate lamella (1) left end is equipped with the hindering nature amortization shell (4) of cup jointing in sound absorbing material pipe (2) cylinder type, intermediate lamella (1) right-hand member is equipped with sound insulation section of thick bamboo (5) of cup jointing in sound absorbing material pipe two (3), its characterized in that: the center of the left wall of the resistive silencing shell (4) is provided with a guide hole (6), the left wall inside the resistive silencing shell (4) is provided with a second-level micropore sound-blocking pipe (7), the inside of the second-level micropore sound-blocking pipe (7) is provided with a first-level micropore sound-blocking pipe (8), the left end outside the second-level micropore sound-blocking pipe (7) is provided with a first sound-guiding pipe (9), the first sound-guiding pipe (9) is communicated with the inside of the same-level micropore sound-blocking pipe (8), the left end of the first sound-guiding pipe (9) penetrates through the guide hole (6) and extends to the left side outside the resistive silencing shell (4), a connecting pipe (10) is inserted into the guide hole (6), the connecting pipe (10) is fixedly connected with the first sound-guiding pipe (9) through a threaded structure, a cylindrical resistive silencing block (11) is arranged inside the sound-insulating cylinder (5), and expansion chambers (12) are arranged on the front side and back side of, the novel air-conditioning cabinet is characterized in that sound insulation plates (13) distributed in a staggered manner are arranged on the top surface and the bottom surface inside the expansion chamber (12), air guide tubes II (14) communicated with the inside of the expansion chamber (12) are inserted into two side walls of the resistant silencing block (11), an air guide hole I (15) is arranged at the center of the middle plate (1), and a micropore sound-blocking plate (16) is arranged inside the air guide hole I (15).
2. A construction heating and ventilation flow muffler according to claim 1, characterized in that: the utility model discloses a damping silencer, including resistive noise reduction shell (4), connecting block (17) and left side all are equipped with on the left of the lower extreme right side about resistive noise reduction shell (4) and sound insulation section of thick bamboo (5) connecting block (17), left side connecting block (17) left end fixed nut (18) of being equipped with, through being equipped with screw rod (19) fixed connection between intermediate lamella (1), connecting block (17) and nut (18).
3. A construction heating and ventilation flow muffler according to claim 1, characterized in that: and sound-absorbing rubber rings (20) which are respectively sleeved on the first sound-absorbing material pipe (2) and the second sound-absorbing material pipe (3) are arranged on two sides of the middle plate (1).
4. A construction heating and ventilation flow muffler according to claim 1, characterized in that: the left end of the reactive silencing block (11) is provided with a sound blocking shell (21) sleeved on the air guide tube II (14), the sound blocking shell (21) is inserted into the sound absorption material tube II (3), and the left wall of the sound blocking shell (21) is provided with an air guide hole II (22).
5. A construction heating and ventilation flow muffler according to claim 1, characterized in that: and the left end of the connecting pipe (10) is sleeved with a flange plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695469.9U CN212776225U (en) | 2020-08-14 | 2020-08-14 | Warm air current silencer that leads to of building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695469.9U CN212776225U (en) | 2020-08-14 | 2020-08-14 | Warm air current silencer that leads to of building engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212776225U true CN212776225U (en) | 2021-03-23 |
Family
ID=75053983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021695469.9U Expired - Fee Related CN212776225U (en) | 2020-08-14 | 2020-08-14 | Warm air current silencer that leads to of building engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212776225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339987A (en) * | 2022-08-17 | 2022-11-15 | 贵州中航电梯有限责任公司 | Machine-room-free elevator car with noise reduction function |
-
2020
- 2020-08-14 CN CN202021695469.9U patent/CN212776225U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115339987A (en) * | 2022-08-17 | 2022-11-15 | 贵州中航电梯有限责任公司 | Machine-room-free elevator car with noise reduction function |
| CN115339987B (en) * | 2022-08-17 | 2023-08-22 | 贵州中航电梯有限责任公司 | Noise-reducing elevator car without machine room |
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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: 20210323 |