CN113730974A - Pressure reducing valve with filtering function - Google Patents
Pressure reducing valve with filtering function Download PDFInfo
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- CN113730974A CN113730974A CN202110958935.0A CN202110958935A CN113730974A CN 113730974 A CN113730974 A CN 113730974A CN 202110958935 A CN202110958935 A CN 202110958935A CN 113730974 A CN113730974 A CN 113730974A
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- pressure reducing
- circular plate
- reducing valve
- ring
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- 238000001914 filtration Methods 0.000 title claims abstract description 43
- 238000007789 sealing Methods 0.000 claims description 47
- 230000000087 stabilizing effect Effects 0.000 claims description 31
- 238000007790 scraping Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 45
- 238000012423 maintenance Methods 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000008439 repair process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6476—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a rotary movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
- B65D59/06—Caps
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention provides a pressure reducing valve with a filtering function. The pressure reducing valve with a filtering function includes: the pressure reducing valve body comprises a water inlet pipe, a water outlet pipe, a first flange and a second flange, the first flange and the second flange are fixedly installed on the water inlet pipe and the water outlet pipe respectively, a baffle ring is fixedly installed in the first flange, a lining is arranged in the first flange, an annular groove is formed in one side of the first flange, a ring body is arranged in the annular groove, the inner wall of the ring body is fixedly connected with the outer wall of the lining, a first circular plate and a second circular plate are arranged in the lining, the first circular plate and the second circular plate are fixedly installed with a plurality of filter screens, and two movable grooves are formed in the first flange. The pressure reducing valve with the filtering function has the advantages that the filter screen can be conveniently and quickly disassembled and assembled, convenience in later-period maintenance is improved, and the single-use duration of the filter screen can be prolonged.
Description
Technical Field
The invention relates to the technical field of pressure reducing valves, in particular to a pressure reducing valve with a filtering function.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by regulation and automatically keeps the outlet pressure stable by the energy of a medium. Then rely on control and governing system's regulation, make the fluctuation of pressure behind the valve balanced with the spring force mutually to can keep the invariant of pressure in certain error range, and, because the relief pressure valve is direct and raw water intercommunication use mostly, contain impurity such as more silt granule in the raw water, consequently, in order to improve the life of the inside spare part of relief pressure valve, and reduce the spare part loss, all can corresponding certain filtering capability of being equipped with on a lot of relief pressure valves in the present stage, thereby can reduce the granule impurity in the raw water.
However, the conventional pressure reducing valve with a filtering function is used to find that the pressure reducing valve has an internal filtering element such as a filter screen, which is difficult to detach, repair or replace at a later stage, the whole pipeline needs to be detached, and the filtering element is detached a little bit, which brings inconvenience to people in use.
Chinese utility model patent publication No. CN210623705U discloses a pressure reducing valve with filtering function, which comprises a main valve body and a main valve body cover, wherein the main valve body and the main valve body cover are in threaded connection, a pressure reducing component and a filtering component are arranged in an inner cavity of the main valve body, the filtering component is sleeved on an outer wall of the pressure reducing component, and the filtering component is covered outside the pressure reducing component to filter out possible large particle impurities such as silt and rust, thereby avoiding the large particle impurities from attaching to the inside of the pressure reducing valve to cause functional disorder; the filter assembly still has the problem of inconvenient operation during maintenance or replacement.
Therefore, it is necessary to provide a new pressure reducing valve with a filtering function to solve the above technical problems.
Disclosure of Invention
The invention aims to provide the pressure reducing valve with the filtering function, which can be used for conveniently and quickly disassembling and assembling the filter screen, improving the convenience of later-stage maintenance and repair and improving the single-time use duration of the filter screen.
In order to solve the technical problem, the pressure reducing valve with the filtering function provided by the invention comprises a pressure reducing valve body, wherein the pressure reducing valve body comprises a water inlet pipe, a water outlet pipe, a first flange and a second flange, the first flange and the second flange are respectively and fixedly arranged on the water inlet pipe and the water outlet pipe, a baffle ring is fixedly arranged in the first flange, a lining is arranged in the first flange, one side of the lining is close to the baffle ring, an annular groove is formed in one side of the first flange, a ring body is arranged in the annular groove, the inner wall of the ring body is fixedly connected with the other side of the lining, a first circular plate and a second circular plate are sleeved in the lining, a plurality of filter screens are fixedly arranged on the first circular plate and the second circular plate, two movable grooves extending along the radial direction of the first flange are formed in the top and the bottom of the first flange, and the open ends of the two movable grooves are communicated with the annular groove, two all be equipped with the fore-set in the movable groove, two the fore-set respectively with two ring body fixed connection, two equal fixed mounting has spring one, two in the tank bottom of movable groove the free end of spring one respectively with two fore-set fixed connection, two the circular slot one has all been seted up to the side of fore-set, slidable mounting has two location stick on the flange one, two the one end that the location stick is close to each other all extends to the correspondence in the circular slot one.
Preferably, circular slot two has been seted up on the inner wall of bush, the groove of accomodating has been seted up on the circular plate one, it has the button head to accomodate inslot slidable mounting, the one end of button head extends to in the circular slot two, fixed mounting has spring two in the tank bottom of accomodating the groove, just the top of spring two with button head fixed connection.
Preferably, the first circular plate and the second circular plate are rotatably provided with the same connecting shaft, the connecting shaft is fixedly provided with two groups of linkage blades, the two groups of linkage blades are distributed with the first circular plate and the second circular plate in a staggered manner, the connecting shaft is fixedly provided with two scraping strips in a fixed sleeve manner, and the two scraping strips are respectively contacted with the first circular plate and the second circular plate.
Preferably, two the equal fixed mounting of one end that the location stick was kept away from each other has the extension board, two one side that the extension board was kept away from each other all rotates and installs the arm-lift, two all the cover is equipped with spring three on the location stick, two the one end that the spring three phase was close to each other all with a flange fixed connection, two the one end that spring three was kept away from each other all with corresponding extension board fixed connection, slot hole and short hole, two have all been seted up to the top and the bottom of flange one the equal fixed mounting in one side that the arm-lift is close to each other has a gag lever post, two the one end that the gag lever post was close to each other all extends to corresponding in the slot hole.
Preferably, a first sealing ring is fixedly mounted on one side, close to the bushing, of the baffle ring, the first sealing ring is in contact with the bushing, a guide rod is fixedly mounted in the bushing, and the guide rod penetrates through the second circular plate along the radial direction of the bushing and is in sliding connection with the second circular plate.
Preferably, fixed mounting has sealing washer two in the annular, sealing washer two with the ring body contacts, two all fixed cover is equipped with the spacing ring on the fore-set, the spacing ring with the tank bottom inner wall of annular contacts.
Preferably, a pull ring is fixedly mounted on the round head, one end of the pull ring extends to the outside of the circular plate I, and the pull ring is connected with the inner wall of one side of the accommodating groove in a sliding manner.
Preferably, the first flange and the second flange are provided with sealing covers which are formed by cover bottoms and circumferential side walls in a threaded sleeve mode, the first flange and the second flange are provided with two stabilizing grooves, two sliding plates are arranged on the circumferential side walls of the sealing covers in a sliding mode, four sliding plates are arranged on the sliding plates in a sliding mode, cross plates are fixedly arranged on the sliding plates, and four stabilizing rods which penetrate through the circumferential side walls of the sealing covers to stretch into the stabilizing grooves are arranged on the cross plates in a sliding mode.
Preferably, four stabilizing rods are all sleeved with a spring IV, one end of each stabilizing rod is fixedly provided with a pull plate, one end of each spring IV is fixedly connected with the transverse connection plate, and the other end of each spring IV is fixedly connected with the pull plate.
Preferably, male thread sections are formed in the first flange and the second flange, female thread sections are formed in the circumferential side walls of the two sealing covers, and the two female thread sections are connected with the two male thread sections in a screwing mode.
Compared with the related art, the pressure reducing valve with the filtering function provided by the invention has the following beneficial effects:
the invention provides a pressure reducing valve with a filtering function, which is characterized in that a first circular plate and a second circular plate are provided with filter screens, and under the sealing action of the first sealing ring and the second sealing ring, the raw water can be reliably and thoroughly filtered, and when the filter screen is repaired or replaced in the later period, the first circular plate, the second circular plate and the lining can be detached only by operating the lifting plate and the pull ring, thereby being convenient for people to overhaul, maintain or replace, improving the convenience, in addition, through the connecting shaft which can rotate under the condition of water flow and the scraping strip on the connecting shaft, the filter screen scraper can scrape partial attachments on the filter screen in the using process, thereby it is long when having improved the filtration of filter screen in the single use, has prolonged the arrival of next maintenance work, and then has reduced total maintenance or change number of times, has brought conveniently for long-term maintenance work.
Drawings
FIG. 1 is a schematic front view of a first embodiment of a pressure reducing valve with a filtering function according to the present invention;
FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;
FIG. 3 is an enlarged schematic view of portion B shown in FIG. 2;
FIG. 4 is an enlarged schematic view of portion C shown in FIG. 3;
FIG. 5 is a schematic front view of a second embodiment of a pressure reducing valve with filtering capability according to the present invention;
FIG. 6 is an enlarged schematic view of portion D of FIG. 5;
fig. 7 is an enlarged schematic view of a portion E shown in fig. 6.
Reference numbers in the figures: 1. a pressure reducing valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a first flange; 5. a second flange; 6. a baffle ring; 7. a bushing; 8. a ring groove; 9. a ring body; 10. a circular plate I; 11. a second circular plate; 12. filtering with a screen; 13. a movable groove; 14. a top pillar; 15. a first spring; 16. a first circular groove; 17. a positioning rod; 18. a second circular groove; 19. a receiving groove; 20. a second spring; 21. a round head; 22. a connecting shaft; 23. linkage paddle blades; 24. scraping the strips; 25. sealing the cover; 26. a stabilizing groove; 27. a slide plate; 28. a transverse connection plate; 29. a stabilizing rod; 30. and a fourth spring.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
First embodiment
Referring to fig. 1 to 4, in a first embodiment of the present invention, a pressure reducing valve with a filtering function includes a pressure reducing valve body 1, where the pressure reducing valve body 1 includes a water inlet pipe 2, a water outlet pipe 3, a first flange 4 and a second flange 5, the first flange 4 and the second flange 5 are respectively fixedly mounted on the water inlet pipe 2 and the water outlet pipe 3, a baffle ring 6 is fixedly mounted in the first flange 4, the baffle ring 6 can cooperate with a first sealing ring to improve a sealing performance between the first flange and a bushing 7, a bushing 7 is disposed in the first flange 4, the bushing 7 is completely attached to an inner wall of the first flange 4 to improve a sealing performance to a certain extent, a ring groove 8 is formed in one side of the first flange 4, a ring body 9 is disposed in the ring groove 8, an inner wall of the ring body 9 is fixedly connected to an outer wall of the bushing 7, and the ring groove 8 is disposed to completely hide the ring body 9 therein, make the outward appearance of flange 4 seem not to have the arch thing to do not hinder its and external flange between fixed, be equipped with plectane 10 and plectane two 11 in the bush 7, plectane 10 with equal fixed mounting has a plurality of filter screens 12 on the plectane two 11, in a plurality of filter screens 12, the mesh number of the filter screen 12 that is located plectane 10 is less than the filter screen 12 on plectane two 11, thereby can form the filtration of two grades to the raw water, further improve filter effect, it is long when filter screen 12's filtration has been prolonged, seted up two movable groove 13 on the flange 4, two movable groove 13 all with annular 8 is linked together, two all be equipped with fore-set 14 in the movable groove 13, two fore-set 14 respectively with two ring body 9 fixed connection, two equal fixed mounting has spring one 15 in the movable groove 13, two the free end of spring one 15 respectively with two fore-set 14 fixed connection, utilize the conflict cooperation between a spring 15 and the fore-set 14, can make ring body 9 have certain reverse interference power in annular 8 to can improve its stability after the installation, two circular slot 16 has all been seted up on the fore-set 14, slidable mounting has two location stick 17 on a flange 4, two the one end that location stick 17 is close to each other all extends to corresponding in the circular slot 16, can form the joint between location stick 17 and the circular slot 16, thereby can be with the reliable fixing of fore-set 14, and then can accomplish the location installation of bush 7.
Seted up circular slot two 18 on the inner wall of bush 7, seted up on plectane one 10 and accomodate groove 19, accomodate the interior slidable mounting of groove 19 and have button head 21, button head 21 and circular slot two 18 looks adaptations to can hold through the two between, reliably fix plectane one 10 and plectane two 11 in bush 7, the one end of button head 21 extends to in the circular slot two 18, accomodate the tank bottom internal fixation of groove 19 and have spring two 20, just the top of spring two 20 with button head 21 fixed connection, spring two 20 can provide an elasticity apical force for button head 21, can tightly push up it in circular slot two 18, thereby guarantee the installation stability of plectane one 10.
The first circular plate 10 and the second circular plate 11 are rotatably provided with the same connecting shaft 22, the connecting shaft 22 is fixedly provided with two groups of linkage blades 23, the linkage blades 23 are in irregular spiral shapes, so that the connecting shaft 22 can rotate under the impact force of raw water, the connecting shaft 22 can form unpowered rotation, the impact force of water flow is effectively utilized, the two groups of linkage blades 23 are distributed with the first circular plate 10 and the second circular plate 11 in a staggered mode, the connecting shaft 22 is fixedly provided with two scraping strips 24 in a sleeved mode, the two scraping strips 24 are respectively in contact with the first circular plate 10 and the second circular plate 11, the length of the scraping strips 24 is enough to cover the filter screen 12, the filter screen 12 can be completely swept during rotation, and scraping thoroughness is improved.
Support plates are fixedly arranged at the ends, far away from each other, of the two positioning rods 17, lifting plates are rotatably arranged at the sides, far away from each other, of the two support plates, springs III are sleeved on the two positioning rods 17, the ends, close to each other, of the two springs III are fixedly connected with the flange I4, the ends, far away from each other, of the two springs III are fixedly connected with the corresponding support plates, the springs III can form elastic tension on the support plates, so that tension can be formed on the positioning rods 17 to a certain degree, the positioning rods 17 can be automatically inserted into the circular grooves I16 without external force, convenience is improved, long holes and short holes are formed in the top and the bottom of the flange I4, limiting rods are fixedly arranged at the sides, close to each other, of the two lifting plates, and the ends, close to each other, of the two limiting rods extend into the corresponding long holes, when the length of the limiting rod is required to be guaranteed to be changed into the short hole from the long hole, the positioning rod can be separated from the first circular groove, the first circular groove is kept in the state, when the limiting rod needs to be detached, the limiting rod is alternately inserted into the long hole and the short hole, and the first circular groove 16 can be separated from the first circular groove temporarily when the positioning rod 17 is pulled out of the first circular groove 16, so that people can conveniently vacate hands to perform operation on the next step.
Keep off ring 6 and be close to one side fixed mounting of bush 7 has sealing washer one, sealing washer one with bush 7 contacts, fixed mounting has the guide bar in the bush 7, the guide bar radially runs through along the bush plectane two 11 and with plectane two 11 sliding connection, the setting of guide bar can make things convenient for people to aim at button head 21 and circular slot two 18 to make things convenient for people to install plectane one 10 and plectane two 11.
Fixed mounting has sealing washer two in the annular 8, sealing washer two with ring body 9 contacts, two equal fixed cover is equipped with the spacing ring on the fore-set 14, the spacing ring with the tank bottom inner wall of annular 8 contacts, and the diameter of spacing ring is greater than the movable groove 13 to can form the restriction on the good horizontal position to the fore-set 14, make things convenient for people to align location stick 17 and circular slot 16.
Fixed mounting has the pull ring on the button head 21, the one end of pull ring extends to outside a plectane 10, just the pull ring with accomodate one side inner wall sliding connection of groove 19, accomodate one side inner wall of groove 19 and seted up smooth mouthful, the pull ring run through smooth mouthful and with the both sides inner wall sliding contact of smooth mouthful, and fixed mounting has the spacer that is located plectane 10 outside on the pull ring, the spacer is greater than smooth mouthful size completely, makes it can prevent that water from getting into the movable tank 13 in the use.
In this embodiment:
when the pressure reducing valve body 1 is put into use, the first flange 4 and the second flange 5 are connected with an external flange on an external pipeline, so that a passage is formed, and then the subsequent raw water conveying work can be carried out;
in the conveying process, raw water passes through the first flange 4 and enters the water inlet pipe 2, and then is discharged into a next-stage pipeline through the water outlet pipe 3, and in the state, the first spring 15 is in a deep compression state, the second spring 20 is in a slight compression state, and the third spring is in a stretching state;
in the above steps, when raw water passes through the first flange 4, the raw water can only pass through the bushing 7 and the baffle ring 6 under the double sealing of the first sealing ring and the second sealing ring, when the raw water passes through the bushing 7, the raw water can be subjected to double filtration through the plurality of filter screens 12 on the first circular plate 10 and the second circular plate 11, so that particle impurities in the raw water can be filtered, and in the continuous circulation process of the raw water, the linkage paddle 23 is subjected to the impact force of the water, so that the linkage paddle 22 starts to rotate, and further the scraper bar 24 on the linkage shaft 22 can be driven to rotate, so that the rotary scraper can be carried out on the filter screens 12, and a part of the impurity particles attached to the linkage paddle can be scraped off, and are continuously carried out along with the continuous entering of the raw water;
when the filter screen 12 needs to be detached for maintenance in the later period, the pressure reducing valve body 1 is detached, then the two lifting plates are pulled in the direction away from each other, so that the two positioning rods 17 can be driven, the positioning rods 17 are pulled out of the first circular groove 16, the stretching range of the spring III is deeper, the lifting plates are rotated until the limiting rods on the two lifting plates are pulled out of the corresponding long holes, the limiting rods are aligned with the short holes, then the limiting rods are inserted into the short holes, then the two lifting plates can be loosened, at the moment, the positioning rods 17 are limited, at the moment when the positioning rods 17 are pulled out of the first circular groove 16, the first spring 15 loses the limitation, then the elastic force is released, the ejection column 14 is connected with the ring body 9 and the lining 7 to eject a small segment, then the lining 7 is taken out, then the pull ring is pulled downwards to bring the round head 21 out of the second circular groove 18, then the first circular plate 10 is connected with the second circular plate 11 to be taken out of the lining 7, the filter screen 12 on the filter screen can be repaired, maintained or replaced;
when the water inlet pipe is assembled, the pull ring is pulled in the same way to bring the round head 21 into the accommodating groove 19, then the round plate I10 together with the round plate II 11 is inserted into the lining 7, the guide rod is inserted into the round plate II 11 until the guide rod is contacted with the sealing ring I on the baffle ring 6, the pull ring is loosened, under the action of the spring II 20, the round head 21 is inserted into the round groove II 18, then the lining 7 is inserted into the water inlet pipe 2, the two top columns 14 on the ring body 9 are inserted into the corresponding movable grooves 13 until the limiting ring on the top columns 14 is contacted with the inner wall of one side of the annular groove 8 again, then the lining 7 is pressed by hand, and the other hand pulls and rotates the two lifting plates in sequence, so that the two positioning rods 17 are inserted into the corresponding round groove I16 in sequence.
Compared with the related art, the pressure reducing valve with the filtering function provided by the invention has the following beneficial effects:
the invention provides a pressure reducing valve with a filtering function, wherein a filter screen 12 is arranged on a first circular plate 10 and a second circular plate 11, raw water can be reliably and thoroughly filtered under the sealing action of a first sealing ring and a second sealing ring, and when the filter screen 12 is repaired and replaced in the later period, the first circular plate 10, the second circular plate 11 and a lining 7 can be detached only by operating a lifting plate and a pull ring, so that the repair and maintenance or replacement work of people can be facilitated, the convenience is improved, in addition, part of attachments on the filter screen 12 can be scraped in the use process through a connecting shaft 22 which can rotate under the condition of water flow and a scraping strip 24 on the connecting shaft 22, so the filtering time of the filter screen 12 in the single use process is prolonged, the arrival of the next repair and maintenance work is prolonged, and the total repair and maintenance or replacement times are further reduced, the long-term maintenance work is convenient.
Second embodiment:
based on the pressure reducing valve with the filtering function provided by the first embodiment of the present application, the second embodiment of the present application proposes another pressure reducing valve with the filtering function, and the second embodiment is only a preferable mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
The second embodiment of the present invention will be further described with reference to the drawings and the following description.
Referring to fig. 5-7, in a second embodiment of the present invention, the pressure reducing valve with filtering function further includes two sealing caps 25 formed by a cap bottom and a circumferential side wall, the sealing caps 25 are disposed to completely seal the open ends of the water inlet pipe 2 and the water outlet pipe 3, so as to prevent the entry of foreign objects, the two sealing caps 25 are respectively screwed on the first flange 4 and the second flange 5, the first flange 4 and the second flange 5 are respectively provided with two stabilizing grooves 26, two sliding plates 27 are slidably mounted on the circumferential side walls of the two sealing caps 25, four sliding plates 28 are fixedly mounted on the four sliding plates 27, four stabilizing rods 29 are slidably mounted on the four transverse plates 28, the stabilizing rods 29 penetrate through the circumferential side walls of the sealing caps and extend into the stabilizing grooves 26, and the two sealing caps 25 can be firmly screwed on the first flange 4 and the second flange 5 by the engagement of the stabilizing rods 29 and the stabilizing grooves 26, the reliability of plugging is improved.
Four stabilizing rods 29 are all sleeved with a spring IV 30, one end of each stabilizing rod 29 is fixedly provided with a pull plate, one end of each spring IV 30 is fixedly connected with the transverse connecting plate 28, the other end of each spring IV 30 is fixedly connected with the pull plate, and the spring IV 30 can provide elastic jacking force for the stabilizing rods 29, so that the stabilizing rods can be tightly inserted into the stabilizing grooves 26 and can be tightly contacted with the outer wall of the sealing cover 25.
The first flange 4 and the second flange 5 are both provided with male thread sections, the circumferential side walls of the two sealing covers 25 are both provided with female thread sections, and the two female thread sections are respectively connected with the two male thread sections in a screwing mode.
When the pressure reducing valve body 1 is placed independently or the single pressure reducing valve body 1 is transported, in order to prevent small animals or dust from entering the water inlet pipe 2, the water outlet pipe 3 and the interior of the water inlet pipe and the water outlet pipe, the inlet and the outlet can be blocked by the two sealing covers 25, so that the problems are effectively avoided, the sealing cover 25 can be prevented from falling off from the flange I4 or the flange II 5 by matching the stabilizing rod 29 with the stabilizing groove 26, the protection stability is improved, in the later period of using the pressure reducing valve body 1, the pull plate is lifted to pull the stabilizing rod 29 out of the stabilizing groove 26 and pull the stabilizing rod 29 out of the sealing cover 25, then the pull plate is horizontally moved to stagger the stabilizing rod 26 and the stabilizing groove 26, then the pull plate is loosened, the stabilizing rod 29 is in close contact with the shell of the sealing cover 25 under the action of the spring IV 30, a hand can be vacated to screw the sealing cover 25, and the operation is convenient and simple and novel in structure, the whole service performance is better.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a relief pressure valve with filtering capability, includes relief pressure valve body (1), its characterized in that, relief pressure valve body (1) includes inlet tube (2), outlet pipe (3), flange (4) and flange two (5), flange (4) with flange two (5) respectively fixed mounting be in inlet tube (2) with on outlet pipe (3), flange (4) internal fixation installs and keeps off ring (6), be equipped with bush (7) in flange (4), one side of bush (7) is close to keeps off ring (6), annular (8) have been seted up to one side of flange (4), be equipped with ring body (9) in annular (8), the inner wall of ring body (9) with the opposite side fixed connection of bush (7), bush (7) endotheca is equipped with plectane one (10) and plectane (11), a plurality of filter screens (12) are fixedly arranged on the first circular plate (10) and the second circular plate (11), the top and the bottom of the flange (4) are provided with two movable grooves (13) which radially extend along the flange (4), two open ends of the movable grooves (13) are communicated with the annular groove (8), two ejection columns (14) are arranged in the movable grooves (13), two ejection columns (14) are respectively fixedly connected with the two annular bodies (9), two springs (15) are fixedly arranged in the groove bottoms of the movable grooves (13), the free ends of the springs (15) are respectively fixedly connected with the two ejection columns (14), and the side surfaces of the two ejection columns (14) are respectively provided with a circular groove (16), two positioning rods (17) are arranged on the flange I (4) in a sliding mode along the axial direction of the flange I, and one ends, close to each other, of the positioning rods (17) extend into the corresponding circular grooves I (16).
2. The pressure reducing valve with the filtering function according to claim 1, wherein a second circular groove (18) is formed in the inner wall of the bushing (7), a containing groove (19) is formed in the first circular plate (10), a round head (21) is slidably mounted in the containing groove (19), one end of the round head (21) extends into the second circular groove (18), a second spring (20) is fixedly mounted in the bottom of the containing groove (19), and the top end of the second spring (20) is fixedly connected with the round head (21).
3. The pressure reducing valve with the filtering function according to claim 1, wherein the first circular plate (10) and the second circular plate (11) are rotatably provided with a same connecting shaft (22), the connecting shaft (22) is fixedly provided with two groups of linkage blades (23), the two groups of linkage blades (23) are distributed with the first circular plate (10) and the second circular plate (11) in a staggered manner, the connecting shaft (22) is fixedly sleeved with two scraping strips (24), and the two scraping strips (24) are respectively contacted with the first circular plate (10) and the second circular plate (11).
4. The pressure reducing valve with the filtering function according to claim 1, wherein supporting plates are fixedly mounted at ends, away from each other, of the two positioning rods (17), lifting plates are rotatably mounted at sides, away from each other, of the two supporting plates, springs (III) are sleeved on the two positioning rods (17), ends, close to each other, of the two springs are fixedly connected with the flange I (4), ends, away from each other, of the two springs (III) are fixedly connected with the corresponding supporting plates, long holes and short holes are formed in the top and the bottom of the flange I (4), limiting rods are fixedly mounted at sides, close to each other, of the two lifting plates, and ends, close to each other, of the two limiting rods extend into the corresponding long holes.
5. The pressure reducing valve with the filtering function as claimed in claim 1, wherein a first sealing ring is fixedly installed on one side of the baffle ring (6) close to the bushing (7), the first sealing ring is in contact with the bushing (7), a guide rod is fixedly installed in the bushing (7), and the guide rod penetrates through the circular plate two (11) along the radial direction of the bushing and is connected with the circular plate two (11) in a sliding mode.
6. The pressure reducing valve with the filtering function according to claim 1, wherein a second sealing ring is fixedly installed in the annular groove (8), the second sealing ring is in contact with the ring body (9), a limiting ring is fixedly sleeved on each of the two top pillars (14), and the limiting ring is in contact with the groove bottom of the annular groove (8).
7. The pressure reducing valve with filtering function as claimed in claim 2, wherein a pull ring is fixedly installed on the round head (21), one end of the pull ring extends out of the first circular plate (10), and the pull ring is slidably connected with one side inner wall of the receiving groove (19).
8. The pressure reducing valve with the filtering function according to claim 1, wherein each of the first flange (4) and the second flange (5) is provided with a sealing cover (25) formed by a cover bottom and a circumferential side wall in a threaded sleeve manner, each of the first flange (4) and the second flange (5) is provided with two stabilizing grooves (26), two sliding plates (27) are slidably mounted on the circumferential side wall of each sealing cover (25), four sliding plates (27) are fixedly provided with transverse plates (28), and four transverse plates (28) are slidably mounted with stabilizing rods (29) penetrating through the circumferential side wall of each sealing cover (25) and extending into the stabilizing grooves (26).
9. The pressure reducing valve with the filtering function according to claim 8, wherein four of the stabilizing rods (29) are sleeved with a spring IV (30), one end of each of the four stabilizing rods (29) is fixedly provided with a pulling plate, one end of the spring IV (30) is fixedly connected with the cross plate (28), and the other end of the spring IV (30) is fixedly connected with the pulling plate.
10. The pressure reducing valve with the filtering function according to claim 8, wherein the first flange (4) and the second flange (5) are both provided with male thread sections, the circumferential side walls of the two sealing caps (25) are both provided with female thread sections, and the two female thread sections are respectively screwed with the two male thread sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110958935.0A CN113730974A (en) | 2021-08-20 | 2021-08-20 | Pressure reducing valve with filtering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110958935.0A CN113730974A (en) | 2021-08-20 | 2021-08-20 | Pressure reducing valve with filtering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113730974A true CN113730974A (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110958935.0A Pending CN113730974A (en) | 2021-08-20 | 2021-08-20 | Pressure reducing valve with filtering function |
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| Country | Link |
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| CN (1) | CN113730974A (en) |
Cited By (1)
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| CN114558385A (en) * | 2022-04-02 | 2022-05-31 | 常州恒立气动科技有限公司 | Pressure reducing valve filter screen, machining method, mounting tool and pressure reducing valve |
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Application publication date: 20211203 |
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