CN217518947U - Noise reduction device for fan decompression valve - Google Patents
Noise reduction device for fan decompression valve Download PDFInfo
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- CN217518947U CN217518947U CN202221822429.5U CN202221822429U CN217518947U CN 217518947 U CN217518947 U CN 217518947U CN 202221822429 U CN202221822429 U CN 202221822429U CN 217518947 U CN217518947 U CN 217518947U
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Abstract
The utility model belongs to the technical field of the equipment of making an uproar falls, a device of making an uproar falls in fan relief valve is related to, including fixed screen panel, fixed screen panel bottom is connected with the pullover, and the pullover outside is connected with locking Assembly, all installs in pullover and the fixed screen panel and inhales the sound cotton. The utility model discloses the high frequency noise that produces when utilizing to fall the sound of making an uproar to inhale the gas outgoing relief valve absorbs the amortization, makes the noise greatly reduced of relief valve, reduces to fall by a wide margin the influence of surrounding environment and makes an uproar, and the noise reduction is to the harm of staff's ear and body and mind, and the device simple structure low in manufacturing cost, and it is convenient to install, has saved the noise control earphone expense that must be equipped with under the high noise environment, has reduced the recruitment cost of enterprise.
Description
Technical Field
The utility model relates to a device of making an uproar falls in fan relief valve belongs to the equipment of making an uproar technical field that falls.
Background
In the production process of enterprises, when the pressure in equipment and pipelines is overlarge, the high pressure exceeds the bearing load of the pipelines or the load of valves and interfaces, the risks of pipeline deformation, pipeline interface fracture, pipeline breakage and the like easily occur, and therefore the existing fans are provided with pressure release valves for releasing pressure and discharging redundant gas, and the air pressure in the pipelines is reduced. Present fan relief valve all comes control pressure through the regulation pressure screw, and when the fan internal gas pressure was greater than the pressure screw, the gasket of relief valve can be by the jack-up, and a large amount of high-pressure gas passes through fan relief valve gas vent and discharges, because the gas outlet is less, and the gas output is great, and fan relief valve gas vent gas velocity of flow is too big, produces very big noise, leads to whole fan room noise unusual big, has serious influence to the workman that gets into the fan room and the staff near the fan room.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide a fan relief valve device of making an uproar falls to reach the effect of making an uproar that falls, make the noise greatly reduced of relief valve, reduce the influence to surrounding environment, reduce the noise simultaneously to staff's ear and the harm of mind and body.
Device of making an uproar falls in fan relief valve, including fixed screen panel, fixed screen panel bottom is connected with pullover, pullover outside is connected with locking Assembly, all installs in pullover and the fixed screen panel and inhales the sound cotton.
Working process or working principle:
in the use, will fix screen panel and overlap and be full of in the head and inhale the sound cotton, then overlap the pullover on fan relief valve, later with locking Assembly with overlap the head locking on fan relief valve, for avoiding locking Assembly to influence fan relief valve gas vent exhaust, make overlap and wrap up downwards again after covering fan relief valve gas vent completely, locking Assembly locks at the lower extreme of overlapping the head.
Preferably, locking component be the clamp, the clamp convenient to use, the tight power of cramping is strong, sealing performance is good.
Preferably, the fixing mesh enclosure is oval, and the shape of the fixing mesh enclosure is designed to be oval, so that the exhaust area and the sound absorption area can be increased.
Preferably, the top of the fixed mesh enclosure is downwards provided with a cylindrical mesh enclosure, the cylindrical mesh enclosure is provided with a center pillar sound-absorbing cotton, the cylindrical mesh enclosure is additionally arranged inside the original fixed mesh enclosure, the center pillar sound-absorbing cotton is arranged on the cylindrical mesh enclosure, the limited volume is fully utilized, and the exhaust area and the sound-absorbing area are increased.
Preferably, inhale the cotton material of inhaling the sound cotton and well post and inhale the cotton and be the ventilative soft sponge of polyurethane, the material selects the ventilative soft sponge material of polyurethane that the gas permeability is good, inhale simultaneously that the cotton is gone up to punch a hole in inhaling the sound cotton of sound and well post, increase the displacement.
Preferably, the surface of the sound-absorbing cotton and the surface of the sound-absorbing cotton of the middle column are both wavy, and the surface area of sound absorption is increased by utilizing the protrusions and the depressions on the surface of the sound-absorbing cotton and the surfaces of the sound-absorbing cotton of the middle column.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses the high frequency noise that produces when utilizing to fall the noise of inhaling the sound cotton with gas discharge relief valve absorbs the amortization, makes the noise greatly reduced of relief valve, reduces to make an uproar by a wide margin in the influence of surrounding environment, and the noise reduction is to staff's ear and the harm of mind and body, and the device simple structure low in manufacturing cost, and the installation is convenient, change easy and simple to handle, has saved the noise control earphone expense that must be equipped with under the high noise environment, has reduced the recruitment cost of enterprise.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a blower decompression valve; 2. clamping a hoop; 3. sleeving a head; 4. the sideshield sound-absorbing cotton; 5. fixing a mesh enclosure; 6. a columnar net cover; 7. the middle column is made of sound absorbing cotton; 8. and an exhaust port of the blower decompression valve.
Detailed Description
Example 1
As shown in fig. 1, fan relief valve noise reduction device, including fixed screen panel 5, fixed screen panel 5 bottom is connected with pullover 3, pullover 3 outside is connected with locking Assembly, all installs the sideshield in pullover 3 and the fixed screen panel 5 and inhales the sound cotton 4.
Working process or working principle:
in the use, will fix screen panel 5 and overlap and be full of the sideshield in the first 3 and inhale sound cotton 4, then overlap first 3 covers on fan relief valve 1, later with locking Assembly will overlap first 3 locks on fan relief valve 1, for avoiding locking Assembly to influence 8 exhalations in fan relief valve gas vent, make overlap first 3 cover again downwards after fan relief valve gas vent 8 completely and wrap up, locking Assembly locks at the lower extreme of overlapping first 3.
The utility model has the advantages that:
the utility model discloses the high frequency noise that produces when utilizing to fall the noise of inhaling the sound cotton with gas discharge relief valve absorbs the amortization, makes the noise greatly reduced of relief valve, reduces to make an uproar by a wide margin in the influence of surrounding environment, and the noise reduction is to staff's ear and the harm of mind and body, and the device simple structure low in manufacturing cost, and the installation is convenient, change easy and simple to handle, has saved the noise control earphone expense that must be equipped with under the high noise environment, has reduced the recruitment cost of enterprise.
Example 2
As shown in fig. 1, fan relief valve noise reduction device, including fixed screen panel 5, fixed screen panel 5 bottom is connected with pullover 3, pullover 3 outside is connected with locking Assembly, all installs the sideshield in pullover 3 and the fixed screen panel 5 and inhales the sound cotton 4.
In this embodiment: the locking component is a hoop 2, and the hoop 2 is convenient to use, strong in hoop tightening force and good in sealing performance; the fixed mesh enclosure 5 is oval, and the shape of the fixed mesh enclosure 5 is designed to be oval, so that the exhaust area and the sound absorption area can be increased; the top of the fixed mesh enclosure 5 is downwards provided with a cylindrical mesh enclosure 6, the cylindrical mesh enclosure 6 is provided with a center pillar sound-absorbing cotton 7, the cylindrical mesh enclosure 6 is additionally arranged inside the original fixed mesh enclosure 5, the center pillar sound-absorbing cotton 7 is arranged on the cylindrical mesh enclosure 6, the limited volume is fully utilized, and the exhaust area and the sound-absorbing area are increased; the material of the sideshield sound-absorbing cotton 4 and the middle column sound-absorbing cotton 7 is polyurethane breathable soft sponge material, the polyurethane breathable soft sponge material with good air permeability is selected as the material, and meanwhile, holes are formed in the sideshield sound-absorbing cotton 4 and the middle column sound-absorbing cotton 7, so that the air displacement is increased; the sideshield inhale sound cotton 4 and well post and inhale the surface of sound cotton 7 and all be the waviness, utilize the sideshield to inhale the sound cotton 4 and well post and inhale the protruding and sunken on sound cotton 7 surface, increased the surface area of inhaling the sound.
Working process or working principle:
in the using process, the fixed mesh enclosure 5 and the sleeve head 3 are filled with the sideshield sound-absorbing cotton 4, then the sleeve head 3 is sleeved on the fan pressure release valve 1, then the sleeve head 3 is locked on the fan pressure release valve 1 by the clamp 2, in order to prevent the clamp 2 from influencing the exhaust of the exhaust port 8 of the fan pressure release valve, the sleeve head 3 completely covers the exhaust port 8 of the fan pressure release valve and then wraps downwards, the clamp 2 is locked at the lower end of the sleeve head 3, the shape of the fixed mesh enclosure 5 is designed into an oval shape, the exhaust surface area and the sound-absorbing surface area are increased, meanwhile, the columnar mesh enclosure 6 is additionally arranged inside the original fixed mesh enclosure 5, the columnar mesh enclosure 6 is provided with the middle-column sound-absorbing cotton 7, the limited volume is fully utilized, the exhaust surface area and the sound-absorbing area are increased, during the exhaust, the gas exhausted by the fan pressure release valve 1 enters the noise reduction device, and the gas is dispersedly exhausted through the sideshield cotton 4 and the middle-column sound-absorbing cotton 7 in the noise reduction device, utilize the sideshield of making an uproar to inhale sound cotton 4 and well post and inhale the sound cotton 7 and absorb the amortization with the high frequency noise that produces when gas outgoing fan relief valve 1, in order to reach the effect of making an uproar that falls, make fan relief valve 1's noise greatly reduced, reduce the influence to the surrounding environment, in order to let fan relief valve 1 gaseous smooth and easy the discharge, reduce the pressure of giving vent to anger, the sideshield inhales sound cotton 4 and well post and inhales the ventilative soft sponge material of polyurethane that sound cotton 7 selection gas permeability is good, simultaneously it perforates on sound cotton 4 and well post of inhaling of sideshield sound is inhaled to inhale sound cotton 7, increase the air displacement, the sideshield inhales sound cotton 4 and well post and inhales the protruding and sunken on sound cotton 7 surface of sound cotton 4 and well post of utilizing the sideshield to inhale the sound, the surface area of inhaling the sound has been increased, increase air displacement and sound area in limited volume, make the noise reduction effectual influence smooth and smooth to the exhaust.
The beneficial effects of the utility model are that:
the utility model discloses the high frequency noise that produces when utilizing to fall the noise of inhaling the sound cotton with gas discharge relief valve absorbs the amortization, makes the noise greatly reduced of relief valve, reduces to make an uproar by a wide margin in the influence of surrounding environment, and the noise reduction is to staff's ear and the harm of mind and body, and the device simple structure low in manufacturing cost, and the installation is convenient, change easy and simple to handle, has saved the noise control earphone expense that must be equipped with under the high noise environment, has reduced the recruitment cost of enterprise.
The utility model discloses in to the direction of structure and the description of relative position relation, it is right not to constitute like the description from top to bottom all around the utility model discloses a restriction only is the description convenient.
Claims (6)
1. The utility model provides a device of making an uproar falls in fan relief valve which characterized in that: including fixed screen panel (5), fixed screen panel (5) bottom is connected with pullover (3), and pullover (3) outside is connected with locking Assembly, all installs the sideshield in pullover (3) and fixed screen panel (5) and inhales sound cotton (4).
2. The fan relief valve noise reduction device of claim 1, characterized in that: the locking component is a hoop (2).
3. The fan relief valve noise reduction device of claim 1, characterized in that: the fixed mesh enclosure (5) is oval.
4. The fan relief valve noise reduction device of claim 1, characterized in that: the top of the fixed mesh enclosure (5) is downwards provided with a columnar mesh enclosure (6), and the columnar mesh enclosure (6) is provided with a center pillar sound-absorbing cotton (7).
5. The fan relief valve noise reduction device of claim 4, characterized in that: the material of the sound-absorbing cotton (4) of the sideshield and the sound-absorbing cotton (7) of the middle column is polyurethane breathable soft sponge.
6. A fan relief valve noise reduction device according to claim 4 or 5, characterized in that: the surfaces of the sideshield sound-absorbing cotton (4) and the middle column sound-absorbing cotton (7) are all wavy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221822429.5U CN217518947U (en) | 2022-07-14 | 2022-07-14 | Noise reduction device for fan decompression valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221822429.5U CN217518947U (en) | 2022-07-14 | 2022-07-14 | Noise reduction device for fan decompression valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217518947U true CN217518947U (en) | 2022-09-30 |
Family
ID=83394045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221822429.5U Active CN217518947U (en) | 2022-07-14 | 2022-07-14 | Noise reduction device for fan decompression valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217518947U (en) |
-
2022
- 2022-07-14 CN CN202221822429.5U patent/CN217518947U/en active Active
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