CN212775899U - Silencing air inlet valve for negative pressure system - Google Patents
Silencing air inlet valve for negative pressure system Download PDFInfo
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- CN212775899U CN212775899U CN202021901123.XU CN202021901123U CN212775899U CN 212775899 U CN212775899 U CN 212775899U CN 202021901123 U CN202021901123 U CN 202021901123U CN 212775899 U CN212775899 U CN 212775899U
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- air inlet
- inlet valve
- muffling
- valve body
- amortization
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Abstract
The utility model discloses a silencing air inlet valve for a negative pressure system, which comprises an air inlet valve main body, wherein one end of the air inlet valve main body is provided with an air inlet valve body, the other end of the air inlet valve main body is provided with an air inlet valve top cover, one side of the air inlet valve body is provided with a pneumatic device, and the other side of the air inlet valve body is provided with a valve seat for connection; pneumatic means sets up in the admission valve main part, be provided with the acoustical panel in the admission valve main part, the admission valve top cap is including the connecting seat, amortization is tied and the roof, amortization is tied and is located the top of admission valve body, be formed with the air current passageway between amortization bolt and the admission valve main part, the air inlet has been seted up between roof and the connecting seat, air inlet and air current passageway lug connection, flow when the increase gas flow passes and the resistance when reducing the gas flow, gas is when passing the admission valve main part, amortization bolt and acoustical panel can reduce the noise that the air flow produced when passing, thereby the production of noise abatement when guaranteeing gas admission capacity, improve the suitable degree of surrounding environment.
Description
Technical Field
The utility model relates to an air supplement unit, concretely relates to amortization admission valve for negative pressure system.
Background
An automatic refuse collection system ("AWCS") is a pneumatic refuse transport system that transports municipal solid waste at high speed through a network of steel pipe channels to a sealed collection bin, which is then transported by truck to a landfill or refuse transfer station. This innovative and modern waste management system solves the problem of waste collection in any type of building, using the following combination of gravity or full vacuum.
The front end of the existing negative pressure system is directly inflated, when the air inlet of the front end of the negative pressure system is larger than 40kPA, the existing air inlet valve is difficult to reduce noise generated by the entering of a large amount of air, the noise generated after a person approaches the air inlet valve affects living areas, and the existing technical innovation key point is used for improving the quality of living environment near hospitals and reducing noise.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a amortization admission valve for negative pressure system reduces the resistance that the air flows in the admission valve main part through the admission valve top cap of pegging graft in the admission valve valvetrain to reduce a large amount of air admission and the noise that produces.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: a silencing air inlet valve for a negative pressure system comprises an air inlet valve body, wherein one end of the air inlet valve body is provided with an air inlet valve body, the other end of the air inlet valve body is provided with an air inlet valve top cover, one side of the air inlet valve body is provided with a pneumatic device for controlling the opening and closing of the air inlet valve body, and the other side of the air inlet valve body is provided with a valve seat for connection; the pneumatic device is arranged in the air inlet valve main body, and the air inlet valve main body is internally provided with a sound-absorbing plate which is distributed on the periphery of the air inlet valve body; the admission valve top cap including with admission valve main part fixed connection's connecting seat, insert the amortization in the admission valve main part is tied and is located the roof of amortization bolt tip, the amortization bolt is located the top of admission valve body, the amortization bolt with the interval sets up between the admission valve main part and is formed with the air current passageway, the roof with the air inlet has been seted up between the connecting seat, the air inlet is located all sides of amortization bolt.
By adopting the technical scheme, the air inlet valve body is connected with the negative pressure system through the valve seat, the pneumatic device controls the opening and closing of the air inlet valve body, the pneumatic device opens the air inlet valve body when the negative pressure system needs to supplement air, the air enters the airflow channel between the silencing bolt and the air inlet valve body from one side of the air inlet, then passes through the air inlet valve body and enters the negative pressure system, the air inlet valve body is closed when the pneumatic device at the supplement port is completed, and the air stops flowing; when air passes through the air inlet valve body, the silencing bolt and the silencing plate can reduce noise generated when the air passes through, so that the generation of noise is reduced while the air inlet amount is ensured, and the living degree of the surrounding environment is improved.
The utility model discloses further set up to: the air inlet valve main body is close to one side end face of the connecting seat, a first step face abutted to the end face of the connecting seat and a second step face arranged at an interval of the connecting seat are arranged, a hanging plate corresponding to the second step face is arranged on the end face of the sound-absorbing plate, and the hanging plate is fixedly arranged on the second step face.
Through adopting above-mentioned technical scheme, the stability of being connected between connecting seat and the admission valve body can be guaranteed to first step face, and on the terminal surface of second step face being fixed in the acoustical panel admission valve main part through the fishplate bar, make things convenient for the setting of acoustical panel in the admission valve main part on the one hand, on the other hand guarantees that the acoustical panel keeps the parallel and level in the inner wall of connecting seat, the production of noise abatement.
The utility model discloses further set up to: the air inlet valve is characterized in that an access hole is formed in the air inlet valve main body, a cover connecting block is connected to the access hole in a covering mode, a handle is arranged on one side of the cover connecting block, a filling block is arranged on the other side of the cover connecting block, and the edge of the filling block is flush with the silencing plate.
Through adopting above-mentioned technical scheme, the access hole of seting up in the admission valve main part can be maintained and overhauld the noise-damping admission valve in facilitating the use, and the edge of filling block sets up the production that can the noise abatement with the acoustical panel parallel and level.
The utility model discloses further set up to: pits are densely distributed on the filling blocks.
Through adopting above-mentioned technical scheme, reduce because the setting of filling block influences the holistic noise cancelling effect of acoustical panel.
The utility model discloses further set up to: the pneumatic device comprises a mounting seat and an executing piece arranged on the mounting seat, and the access hole corresponds to the executing piece.
Through adopting above-mentioned technical scheme, the easy inefficacy of amortization admission valve in the use is the executive, and the maintenance to the executive is changeed in with the maintenance that the executive corresponds the access hole that sets up.
The utility model discloses further set up to: the connecting seat with be provided with the support column between the roof, a plurality of the support column distribute in all sides of amortization bolt.
Through adopting above-mentioned technical scheme, the holding power between connecting seat and the roof can be increased to the support column, avoids taking place the size that deformation influences the air inlet at a large amount of air entering in-process roof, guarantees the air input of amortization admission valve.
The utility model discloses further set up to: the cross section of the support column is of a circular structure.
Through adopting above-mentioned technical scheme, reduce the resistance of support column to the air flow.
The utility model discloses further set up to: the silencing cotton is filled in the silencing bolt and the top plate.
Through adopting above-mentioned technical scheme, the noise reduction.
To sum up, the utility model discloses following effect has:
1. the silencing bolt can improve the airflow entering the silencing air inlet valve and reduce the noise when a large amount of air enters;
2. the muffling plate can reduce the noise generated when air flows through the muffling air inlet valve.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.
FIG. 1 is a schematic view of the overall structure of a muffling intake valve;
FIG. 2 is a schematic view of the internal structure of a muffling intake valve;
FIG. 3 is a schematic view of the structure of the intake valve body and the acoustic panel;
fig. 4 is a schematic structural view of the cover block.
In the figure: 1. an intake valve main body; 2. an intake valve top cover; 21. a connecting seat; 22. a sound-deadening bolt; 23. a top plate; 3. a valve seat; 4. an air inlet; 5. an air flow channel; 6. an access hole; 7. a cover joint block; 71. a handle; 72. the filling is fast; 73. a pit; 8. a support pillar; 9. fixing a bracket; 10. a sound-absorbing panel; 11. a pneumatic device; 12. an intake valve body; 13. a first step surface; 14. a second step surface; 15. and (7) hanging plates.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, a silencing air inlet valve for a negative pressure system comprises an air inlet valve body, wherein one end of the air inlet valve body is provided with an air inlet valve body, the other end of the air inlet valve body is provided with an air inlet valve top cover, one side of the air inlet valve body is provided with a pneumatic device for controlling the opening and closing of the air inlet valve body, and the other side of the air inlet valve body is provided with a valve seat for connection; the pneumatic device is arranged in the air inlet valve main body, and the air inlet valve main body is internally provided with a sound-absorbing plate which is distributed on the periphery of the air inlet valve body; the admission valve top cap including with admission valve main part fixed connection's connecting seat, insert amortization in the admission valve main part is tied and is located the roof of amortization bolt tip, the amortization bolt is located the top of admission valve body, the amortization bolt with the interval sets up between the admission valve main part and is formed with the air current passageway, the roof with the air inlet has been seted up between the connecting seat, the air inlet is located all sides of amortization bolt, the amortization bolt with the roof intussuseption is filled with the amortization cotton, the connecting seat with be provided with the support column between the roof, it is a plurality of the support column distribute in all sides of amortization bolt, the cross-section of support column.
Combine shown in fig. 2 and 3, the admission valve main part be close to a side end face of connecting seat set up with the first step face of connecting seat terminal surface butt and with the second step face that the connecting seat interval set up is provided with the fixed bolster that is used for fixed connection between connecting seat and the admission valve main part, and the fixed bolster is that connecting seat and first step face keep the butt, the terminal surface of acoustical panel be provided with the hitch plate that the second step face corresponds, the hitch plate is fixed to be set up the second step face.
Referring to fig. 2 and 4, the air inlet valve main body is provided with an access hole, the access hole is covered with a cover connecting block, one side of the cover connecting block is provided with a handle, the other side of the cover connecting block is provided with a filling block, the edge of the filling block is flush with the sound-absorbing plate, and pits are densely distributed on the filling block. The pneumatic device comprises a mounting seat and an executing piece arranged on the mounting seat, and the access hole corresponds to the executing piece.
The specific implementation process comprises the following steps:
the air inlet valve body is connected with the negative pressure system through the valve seat, the pneumatic device controls the opening and closing of the air inlet valve body, the pneumatic device opens the air inlet valve body when the negative pressure system needs to supplement air, the air enters an airflow channel between the silencing bolt and the air inlet valve body from one side of the air inlet, then passes through the air inlet valve body and enters the negative pressure system, the air inlet valve body is closed when the pneumatic device at the supplement port is completed, and the air stops flowing; when air flows through the air inlet valve, the air inlet is directly connected with the airflow channel, the flow of the air is increased, the resistance of the air during flowing is reduced, and when the air passes through the air inlet valve main body, the noise generated during flowing of the air can be reduced by the noise reduction bolt and the noise reduction plate.
It should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (8)
1. A silencing air inlet valve for a negative pressure system is characterized by comprising an air inlet valve body, wherein one end of the air inlet valve body is provided with an air inlet valve body, the other end of the air inlet valve body is provided with an air inlet valve top cover, one side of the air inlet valve body is provided with a pneumatic device for controlling the opening and closing of the air inlet valve body, and the other side of the air inlet valve body is provided with a valve seat for connection; the pneumatic device is arranged in the air inlet valve main body, and the air inlet valve main body is internally provided with a sound-absorbing plate which is distributed on the periphery of the air inlet valve body; the admission valve top cap including with admission valve main part fixed connection's connecting seat, insert the amortization in the admission valve main part is tied and is located the roof of amortization bolt tip, the amortization bolt is located the top of admission valve body, the amortization bolt with the interval sets up between the admission valve main part and is formed with the air current passageway, the roof with the air inlet has been seted up between the connecting seat, the air inlet is located all sides of amortization bolt.
2. The muffling air inlet valve according to claim 1, wherein a first step surface abutting against an end surface of the connecting seat and a second step surface spaced from the connecting seat are provided on an end surface of the air inlet valve body near the connecting seat, and a coupling plate corresponding to the second step surface is provided on an end surface of the muffling plate and is fixedly provided on the second step surface.
3. The muffling air intake valve of claim 1, wherein the main body of the air intake valve is provided with an access opening, the access opening is covered with a cover connecting block, one side of the cover connecting block is provided with a handle, the other side of the cover connecting block is provided with a filling block, and the edge of the filling block is flush with the muffling plate.
4. The muffling intake valve of claim 3, wherein the filler block is densely populated with dimples.
5. The muffling air intake valve of claim 3, wherein the pneumatic device comprises a mounting seat and an actuating member disposed on the mounting seat, and the service opening corresponds to the actuating member.
6. The muffling air inlet valve of claim 1, wherein a supporting column is disposed between the connecting seat and the top plate, and a plurality of supporting columns are distributed around the muffling plug.
7. The muffling intake valve of claim 6, wherein the support posts are circular in cross-section.
8. The muffling intake valve of claim 1, wherein the muffling plug and the top plate are filled with muffling cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021901123.XU CN212775899U (en) | 2020-09-03 | 2020-09-03 | Silencing air inlet valve for negative pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021901123.XU CN212775899U (en) | 2020-09-03 | 2020-09-03 | Silencing air inlet valve for negative pressure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212775899U true CN212775899U (en) | 2021-03-23 |
Family
ID=75058222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021901123.XU Active CN212775899U (en) | 2020-09-03 | 2020-09-03 | Silencing air inlet valve for negative pressure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212775899U (en) |
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2020
- 2020-09-03 CN CN202021901123.XU patent/CN212775899U/en active Active
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