CN219712469U - Wash efficient filtration relief pressure valve - Google Patents

Wash efficient filtration relief pressure valve Download PDF

Info

Publication number
CN219712469U
CN219712469U CN202321079669.5U CN202321079669U CN219712469U CN 219712469 U CN219712469 U CN 219712469U CN 202321079669 U CN202321079669 U CN 202321079669U CN 219712469 U CN219712469 U CN 219712469U
Authority
CN
China
Prior art keywords
valve
air
pipe
storage barrel
fixedly arranged
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321079669.5U
Other languages
Chinese (zh)
Inventor
朱竹安
张祥婷
王华伟
姚群挺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Shengding Automation Technology Co ltd
Original Assignee
Shanghai Shengding Automation Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Shengding Automation Technology Co ltd filed Critical Shanghai Shengding Automation Technology Co ltd
Priority to CN202321079669.5U priority Critical patent/CN219712469U/en
Application granted granted Critical
Publication of CN219712469U publication Critical patent/CN219712469U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a high-efficiency cleaning filtering pressure reducing valve, which comprises a valve body, a valve cover, a filter element and a fixed plate, wherein the valve cover is fixedly arranged at the bottom of the valve body, the filter element is fixedly arranged at the bottom of the valve body, the fixed plate is fixedly arranged at the bottom of the filter element, the side surface of the lower end of the valve cover is fixedly connected with the inner side surface of one end of a frame, the inner side surface of the other end of the frame is fixedly connected with the side surface of the lower end of a gas storage barrel, the side surface of the upper end of the gas storage barrel is in threaded connection with the inner side surface of a sealing cover, and cleaning mechanisms are arranged on the gas storage barrel and the fixed plate; this wash efficient filtration relief pressure valve can make the filter core need not dismantle air filtration relief pressure valve at abluent in-process, can effectually reduce the time of air filtration relief pressure valve, improves air filtration relief pressure valve's cleaning efficiency.

Description

Wash efficient filtration relief pressure valve
Technical Field
The utility model relates to the technical field of filter pressure reducing valves, in particular to a filter pressure reducing valve with high cleaning efficiency.
Background
The air filtering pressure reducing valve is an auxiliary device of the pneumatic film regulating valve combined unit, and after 0.3-1.0 MPa of compressed air is input, a clean air source of 0.1-1.0 MPa can be provided for the pneumatic remote control plate and the valve positioner. The air filtering pressure reducing valve belongs to pilot piston type pressure reducing valve. Consists of a main valve and a pilot valve. The main valve mainly comprises valve seat, main valve disk, piston, spring, etc. and the pilot valve mainly comprises valve seat, valve clack, diaphragm, spring, regulating spring, etc. The pressure of the outlet is set by adjusting the pressure of the adjusting spring, the pressure change of the outlet is sensed by the diaphragm, the driving piston is opened and closed through the pilot valve to adjust the size of the flow area of the throttling part of the main valve, the pressure reducing and stabilizing function is realized, the air filtering pressure reducing valve removes impurities such as oil, water and dust in the compressed air through the two-stage three-section filter, thereby greatly prolonging the service life of the diaphragm of the pressure reducing valve and the precision of the pressure adjusting, because the service life of the filter element is longer, the filter element and the pressure reducing element can be independently repaired in maintenance, the whole replacement is not needed, the cost is saved, the filtered impurities can be accumulated on the filter along with the use of the air filtering pressure reducing valve, the impurities can be accumulated for a long time, the medium flow can be influenced, so that the air filtering pressure reducing valve is required to be regularly cleaned, the internal filter is usually detached when the air filtering pressure reducing valve is cleaned, the impurities attached to the filter are blown down from the filter through the compressed air, the filter, the whole cleaning process is required to be detached and assembled, and the whole cleaning process is time-consuming, and the cleaning efficiency of the air filtering pressure reducing valve is lower.
Disclosure of Invention
In view of the problems existing in the prior art, the utility model discloses a high-efficiency cleaning filter pressure reducing valve, which adopts the technical scheme that the high-efficiency cleaning filter pressure reducing valve comprises a valve body, a valve cover, a filter element and a fixing plate, wherein the valve cover is fixedly arranged at the bottom of the valve body, the filter element is fixedly arranged at the bottom of the valve body, the fixing plate is fixedly arranged at the bottom of the filter element, the side surface of the lower end of the valve cover is fixedly connected with the inner side surface of one end of a frame, the inner side surface of the other end of the frame is fixedly connected with the side surface of the lower end of a gas storage barrel, the side surface of the upper end of the gas storage barrel is in threaded connection with the inner side surface of a sealing cover, and cleaning mechanisms are arranged on the gas storage barrel and the fixing plate;
the cleaning mechanism comprises a piston rod, a main air pipe, a high-pressure spray head, an air outlet pipe, a piston plate, a rubber pad, a rotary joint and a connecting pipe, wherein the rotary joint is fixedly arranged in the middle of the top of the fixing plate, an air outlet of the rotary joint is connected with one end of the main air pipe, a plurality of air outlet pipes are fixedly arranged on the side face of the main air pipe, the air outlet pipes are communicated with the inside of the main air pipe, the high-pressure spray head is fixedly arranged on the air outlet pipes, the piston plate is slidably arranged in the air storage barrel, the rubber pad is fixedly arranged at the bottom of the piston plate, the side face of the rubber pad is in contact with the inner side face of the air storage barrel, the middle of the top of the piston plate is fixedly connected with the lower end of the piston rod, through holes corresponding to the piston rod are formed in the top of the sealing cover, and two ends of the connecting pipe are respectively fixedly connected with the bottom of the air storage barrel and the rotary joint.
As a preferable technical scheme of the utility model, at least four bent pipes are fixedly and darkly turned on the side surface of the main air pipe, a rotary spray head is fixedly arranged on each bent pipe, and the bent pipes are communicated with the rotary spray head and the inside of the main air pipe.
As a preferable technical scheme of the utility model, the upper end of the main air pipe is fixedly provided with the one-way valve, and the one-way valve is communicated with the inside of the main air pipe.
As a preferable technical scheme of the utility model, a sealing rubber ring is fixedly arranged in the middle of the inner top of the sealing cover, and the inner side surface of the sealing rubber ring is contacted with the side surface of the piston rod.
As a preferable technical scheme of the utility model, the top of the air storage barrel is fixedly provided with a rubber ring.
The utility model has the beneficial effects that: according to the utility model, a part of filtered compressed air can be conveyed into the air storage barrel through the rotary joint and the connecting pipe, the piston rod can be pushed downwards to move when the filter element is required to be cleaned, the piston rod drives the piston plate to move downwards, the piston plate pushes out the air stored in the air storage barrel, the stored air is conveyed into the main air pipe through the connecting pipe and the rotary joint, and is conveyed into the high-pressure spray head through the air outlet pipe on the main air pipe, the high-pressure spray head sprays out the compressed air to clean the filter element in a back-flushing manner, so that the filter element is not detached from the air filtering pressure reducing valve in the cleaning process, the time of the air filtering pressure reducing valve can be effectively reduced, the cleaning efficiency of the air filtering pressure reducing valve is improved, the air in the main air pipe can be obliquely sprayed out in the horizontal direction through the bent pipe and the rotary spray head, the back-pushing force of the rotary spray head pushes the main air pipe to rotate, the air outlet pipe and the high-pressure spray head on the main air pipe are enabled to rotate, the cleaning effect of the whole filter element is improved, the air entering the main air pipe can be prevented from leaking from the upper end of the main air pipe through the one-way valve, the sealing cover can be improved, the sealing tightness between the sealing rubber ring and the sealing ring can be prevented from tightly contacting the sealing ring and the piston rod.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal front structure of the present utility model;
fig. 3 is a schematic diagram of the internal side structure of the present utility model.
In the figure: the device comprises a valve body 1, a valve cover 2, a filter element 3, a fixed plate 4, a gas storage barrel 5, a sealing cover 6, a cleaning mechanism 7, a piston rod 71, a main gas pipe 72, a high-pressure spray nozzle 73, a gas outlet pipe 74, a piston plate 75, a rubber pad 76, a rotary joint 77, a connecting pipe 78, a bent pipe 8, a rotary spray nozzle 9, a one-way valve 10, a sealing rubber ring 11, a rubber ring 12 and a frame 13.
Detailed Description
Example 1
As shown in fig. 1 to 3, the utility model discloses a high-efficiency cleaning filter pressure reducing valve, which adopts the technical scheme that the high-efficiency cleaning filter pressure reducing valve comprises a valve body 1, a valve cover 2, a filter element 3 and a fixed plate 4, and is characterized in that the valve cover 2 is fixedly arranged at the bottom of the valve body 1, the filter element 3 is fixedly arranged at the bottom of the valve body 1, the fixed plate 4 is fixedly arranged at the bottom of the filter element 3, the side surface at the lower end of the valve cover 2 is fixedly connected with the inner side surface at one end of a frame 13, the inner side surface at the other end of the frame 13 is fixedly connected with the side surface at the lower end of a gas storage barrel 5, the side surface at the upper end of the gas storage barrel 5 is in threaded connection with the inner side surface of a sealing cover 6, the top of the gas storage barrel 5 is fixedly provided with a rubber ring 12, the sealing cover 6 can be tightly contacted with the gas storage barrel 5 through the rubber ring 12, the sealing performance of the gas storage barrel 5 and the fixed plate 4 are provided with a cleaning mechanism 7;
the cleaning mechanism 7 comprises a piston rod 71, a main air pipe 72, a high-pressure spray head 73, an air outlet pipe 74, a piston plate 75, a rubber pad 76, a rotary joint 77 and a connecting pipe 78, wherein the rotary joint 77 is fixedly arranged in the middle of the top of the fixed plate 4, the air outlet of the rotary joint 77 is connected with one end of the main air pipe 72, the upper end of the main air pipe 72 is fixedly provided with a one-way valve 10, the one-way valve 10 is communicated with the inside of the main air pipe 72, the air entering the main air pipe 72 can be prevented from leaking from the upper end of the main air pipe 72 through the one-way valve 10, the side surface of the main air pipe 72 is fixedly provided with a plurality of air outlet pipes 74, the air outlet pipes 74 are communicated with the inside of the main air pipe 72, the side surface of the main air pipe 72 is fixedly and darkly rotated with at least four bent pipes 8, the rotary spray heads 9 are fixedly arranged on the bent pipes 8 are communicated with the inside of the main air pipe 72, the air in the main air pipe 72 can be obliquely sprayed out in the horizontal direction through the bent pipes 8 and the rotary spray heads 9, the reverse thrust of the rotary spray head 9 drives the main air pipe 72 to rotate, so that an air outlet pipe 74 and a high-pressure spray head 73 on the main air pipe 72 rotate, the whole filter element 3 is thoroughly purged, the cleaning effect of the filter element 3 is improved, the high-pressure spray head 73 is fixedly arranged on the air outlet pipe 74, a piston plate 75 is slidably arranged in the air storage barrel 5, a rubber pad 76 is fixedly arranged at the bottom of the piston plate 75, the side surface of the rubber pad 76 is contacted with the inner side surface of the air storage barrel 5, the middle part of the top of the piston plate 75 is fixedly connected with the lower end of the piston rod 71, a through hole corresponding to the piston rod 71 is formed at the top of the sealing cover 6, a sealing rubber ring 11 is fixedly arranged at the middle part of the inner top of the sealing cover 6, the inner side surface of the sealing rubber ring 11 is contacted with the side surface of the piston rod 71, and the sealing property between the piston rod 71 and the sealing cover 6 can be improved through the sealing rubber ring 11, the gap between the piston rod 71 and the sealing cover 6 is prevented from leaking, two ends of the connecting pipe 78 are fixedly connected with the bottom of the air storage barrel 5 and the bottom of the rotary joint 77 respectively, the connecting pipe 78 is communicated with the inside of the air storage barrel 5 and the rotary joint 77, part of filtered compressed air can be conveyed into the air storage barrel 5 through the rotary joint 77 and the connecting pipe 78 by the main air pipe 72, when a filter element needs to be cleaned, the piston rod 71 can be pushed downwards to move, the piston rod 71 drives the piston plate 75 to move downwards, the piston plate 75 pushes out the air stored in the air storage barrel 5, the stored air is conveyed into the main air pipe 72 through the connecting pipe 78 and the rotary joint 77, and the air is conveyed into the high-pressure spray head 73 through the air outlet pipe 74 on the main air pipe 72, so that the high-pressure spray head 73 sprays out the compressed air, and the filter element 3 is subjected to back-blowing cleaning, so that the filter element 3 does not need to detach the air filtering pressure reducing valve in the cleaning process, the time of the air filtering pressure reducing valve can be effectively reduced, and the cleaning efficiency of the air filtering pressure reducing valve is improved.
The working principle of the utility model is as follows: compressed air enters the valve housing 2 from the air inlet on the valve body 1, the compressed air enters the filter element 3 after being filtered by the filter element 3, and is discharged from the air outlet on the valve body 1 after being depressurized after entering the valve body 1 from the air inlet at the bottom of the valve body 1, in the process, the compressed air entering the filter element 3 can open the one-way valve 10, the compressed air enters the main air pipe 72, because the air pressure in the filter element 2 is high, the air entering the main air pipe 72 can enter the air storage barrel 5 from the rotary joint 77 and the connecting pipe 78, the pressure of the compressed air can push the piston plate 75 and the piston rod 71 to move upwards, so that the air storage barrel 5 is filled with the compressed air, when the filter element 3 needs cleaning, the air inlet on the valve body 1 can be closed, and the air pressure in the air storage barrel 5 is larger than the pressure in the filter element 3, air in the air storage barrel 5 enters the main air pipe 72 through the connecting pipe 78 and the rotary joint 77, high-pressure air in the main air pipe 72 is sprayed out from the high-pressure spray nozzle 73 on the air outlet pipe 74 to reversely blow the filter element 3, meanwhile, the high-pressure air in the main air pipe 72 is sprayed out from the rotary spray nozzle 9 on the elbow pipe 8, the reverse thrust of the rotary spray nozzle 9 sprayed compressed air can push the main air pipe 72 to rotate, so that the main air pipe 72 rotates on the rotary joint 77, at the moment, the main air pipe 72 can drive the high-pressure spray nozzle 73 to rotate, the rotating high-pressure spray nozzle 73 thoroughly blows and sucks the filter element 3, the blown and thinned impurities are discharged to the outside from the drain outlet at the bottom of the valve cover 2, when the pressure of the compressed air in the air storage barrel 5 is reduced, the piston rod 71 can be pressed downwards, the piston rod 71 drives the piston plate 75 to move downwards, the piston plate 75 pushes the air in the air storage barrel 5 to move downwards, the air in the air storage barrel 5 is completely conveyed into the main air pipe 72 through the connecting pipe 78 and the rotary joint 77 to purge the filter element.
The components not described in detail herein are prior art.
Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims (5)

1. The utility model provides a wash efficient filtration relief pressure valve, includes valve body (1), valve bonnet (2), filter core (3) and fixed plate (4), its characterized in that, valve bonnet (2) are installed to the bottom fixed mounting of valve body (1), filter core (3) are installed to valve body (1) bottom fixed mounting, the bottom fixed mounting of filter core (3) has fixed plate (4), the side of valve bonnet (2) lower extreme and the medial surface fixed connection of frame (13) one end, the medial surface of frame (13) other end and the side fixed connection of gas storage bucket (5) lower extreme, the lateral surface of gas storage bucket (5) upper end and the medial surface threaded connection of sealed lid (6), install wiper mechanism (7) on gas storage bucket (5) and the fixed plate (4);
the cleaning mechanism (7) comprises a piston rod (71), a main air pipe (72), a high-pressure spray head (73), an air outlet pipe (74), a piston plate (75), a rubber pad (76), a rotary joint (77) and a connecting pipe (78), wherein the rotary joint (77) is fixedly arranged in the middle of the top of the fixed plate (4), an air outlet of the rotary joint (77) is connected with one end of the main air pipe (72), a plurality of air outlet pipes (74) are fixedly arranged on the side face of the main air pipe (72), the air outlet pipes (74) are communicated with the inside of the main air pipe (72), the high-pressure spray head (73) is fixedly arranged on the air outlet pipes (74), the piston plate (75) is slidably arranged in the air storage barrel (5), the rubber pad (76) is fixedly arranged at the bottom of the piston plate (75), the side face of the rubber pad (76) is in contact with the inner side face of the air storage barrel (5), the middle of the top of the piston plate (75) is fixedly connected with the lower end of the piston rod (71), through holes corresponding to the piston rod (71) are formed in the top of the sealing cover (6), the bottom of the connecting pipe (78) is fixedly connected with the bottom of the air storage barrel (5) respectively, the connecting pipe (78) is communicated with the air storage barrel (5) and the inside of the rotary joint (77).
2. The clean efficient filter and pressure reducing valve of claim 1, wherein: the side of main trachea (72) fixed mounting has elbow (8) that is not less than four, fixed mounting has rotatory nozzle (9) on elbow (8), the inside of elbow (8) intercommunication rotatory nozzle (9) and main trachea (72).
3. The clean efficient filter and pressure reducing valve of claim 1, wherein: the upper end of the main air pipe (72) is fixedly provided with a one-way valve (10), and the one-way valve (10) is communicated with the inside of the main air pipe (72).
4. The clean efficient filter and pressure reducing valve of claim 1, wherein: the middle part of the inner top of the sealing cover (6) is fixedly provided with a sealing rubber ring (11), and the inner side surface of the sealing rubber ring (11) is contacted with the side surface of the piston rod (71).
5. The clean efficient filter and pressure reducing valve of claim 1, wherein: the top of the gas storage barrel (5) is fixedly provided with a rubber ring (12).
CN202321079669.5U 2023-05-08 2023-05-08 Wash efficient filtration relief pressure valve Active CN219712469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321079669.5U CN219712469U (en) 2023-05-08 2023-05-08 Wash efficient filtration relief pressure valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321079669.5U CN219712469U (en) 2023-05-08 2023-05-08 Wash efficient filtration relief pressure valve

Publications (1)

Publication Number Publication Date
CN219712469U true CN219712469U (en) 2023-09-19

Family

ID=87999736

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321079669.5U Active CN219712469U (en) 2023-05-08 2023-05-08 Wash efficient filtration relief pressure valve

Country Status (1)

Country Link
CN (1) CN219712469U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117160159A (en) * 2023-11-03 2023-12-05 珠海亿泰科技有限公司 Air filter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117160159A (en) * 2023-11-03 2023-12-05 珠海亿泰科技有限公司 Air filter
CN117160159B (en) * 2023-11-03 2024-03-29 珠海亿泰科技有限公司 Air filter

Similar Documents

Publication Publication Date Title
CN219712469U (en) Wash efficient filtration relief pressure valve
CN203640995U (en) Pump inlet automatic back flush filter screen
CN201235256Y (en) High-efficiency self-cleaning air filter
CN209444480U (en) A kind of fuel filter, fuel filter assembly and engine assembly
CN218152514U (en) Check valve
CN201399302Y (en) Air filter
CN201434085Y (en) Temperature control valve capable of being cleaned and repaired under pressure
CN216143191U (en) Manual bellows stop valve that can edulcoration
CN115875508A (en) On-line maintenance flow and pressure regulating valve bank
CN101614300B (en) Temperature controlling valve with function of cleaning valve core
CN204784886U (en) A multifunctional valve
CN2565689Y (en) Automatic discharge valve
CN209818875U (en) Normally open type pneumatic column unloading valve
CN218845135U (en) Silt-proof butterfly valve
CN219102123U (en) Exhaust valve group
CN219242685U (en) Anti-blocking pneumatic valve
CN219481950U (en) Powder recovery device of pulse dust collector
KR102633774B1 (en) Strainer
CN219128476U (en) Transverse pre-filter with back flushing function
CN2333852Y (en) Pressure reducing valve with non-stop reverse washing and protecting device
CN220968330U (en) Vertical lamination type back flush prefilter with lamination automatic adjusting structure
CN219102195U (en) On-line maintenance flow-regulating pressure regulating valve set
CN210218723U (en) Automatic filtering gate valve
CN220956985U (en) Backwash filter air valve
CN216407865U (en) Novel anti-blocking hydraulic valve

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant