CN112096882A - Embedded flexible valve seat flange for valve - Google Patents

Embedded flexible valve seat flange for valve Download PDF

Info

Publication number
CN112096882A
CN112096882A CN202011076145.1A CN202011076145A CN112096882A CN 112096882 A CN112096882 A CN 112096882A CN 202011076145 A CN202011076145 A CN 202011076145A CN 112096882 A CN112096882 A CN 112096882A
Authority
CN
China
Prior art keywords
valve seat
threaded rod
valve
metal disc
plate
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.)
Pending
Application number
CN202011076145.1A
Other languages
Chinese (zh)
Inventor
李建国
韩振伟
王猛
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.)
Xiangyang Wanfeng Machinery Co ltd
Original Assignee
Xiangyang Wanfeng Machinery 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 Xiangyang Wanfeng Machinery Co ltd filed Critical Xiangyang Wanfeng Machinery Co ltd
Priority to CN202011076145.1A priority Critical patent/CN112096882A/en
Publication of CN112096882A publication Critical patent/CN112096882A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters 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
    • B01D29/03Filters 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 self-supporting
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62Regenerating the filter material in the filter
    • B01D29/64Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6469Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
    • B01D29/6476Regenerating 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering 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
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/42Valve seats
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00Other details not peculiar to particular types of valves or cut-off apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Lift Valve (AREA)

Abstract

The invention relates to the technical field of valves, in particular to an embedded flexible valve seat flange for a valve, which comprises a valve seat, wherein a threaded rod is connected to the inside of the valve seat in a sealed threaded manner, one end of the threaded rod penetrates through the side wall of the valve seat and extends into the valve seat, the other end of the threaded rod is positioned outside the valve seat and is fixedly welded with a wheel disc, two vertical plates are fixedly welded inside the valve seat, a horizontal partition plate is fixedly welded between the two vertical plates, single holes are respectively formed in the two vertical plates, one hole is positioned above the horizontal partition plate, the other hole is positioned below the horizontal partition plate, a round hole for the threaded rod to penetrate through is formed in the horizontal partition plate. The invention solves the problem that in the prior art, the sealing plate in the valve needs to rub with the inner wall of the valve seat for a long time when being opened and closed, so that the sealing strip at the edge of the sealing plate is easy to damage, thereby reducing the sealing property of the valve.

Description

Embedded flexible valve seat flange for valve
Technical Field
The invention relates to the technical field of valves, in particular to an embedded flexible valve seat flange for a valve.
Background
At present, the general inside butterfly valve structure that adopts of boiler steam valve that domestic market used, realize opening and shutting of valve through rotating the closing plate, but because when opening and shutting at every turn, all can produce the friction between closing plate and the disk seat inner wall, long-term friction in-process can cause the sealing strip damage of closing plate edge again to lead to the leakproofness of valve to reduce, we have designed an embedded flexible disk seat flange for this for the valve.
Disclosure of Invention
The invention aims to solve the problem that sealing strips at the edges of sealing plates are damaged in a long-term friction process to cause the reduction of the sealing performance of a valve in the prior art, and provides an embedded flexible valve seat flange for the valve.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is an embedded flexible valve seat flange for a valve, which comprises a valve seat, wherein a threaded rod is connected with the inner closed thread of the valve seat, one end of the threaded rod penetrates through the side wall of the valve seat and extends into the valve seat, the other end of the threaded rod is positioned outside the valve seat, a wheel disc is fixedly welded on the outer closed thread of the valve seat, two vertical plates are fixedly welded in the valve seat, a horizontal partition plate is fixedly welded between the two vertical plates, single holes are respectively formed in the two vertical plates, one of the holes is positioned above the horizontal partition plate, the other hole is positioned below the horizontal partition plate, a round hole for the threaded rod to pass through is formed in the horizontal partition plate, a plurality of through holes are formed in the horizontal partition plate, the through holes are distributed around the round hole at equal angles, the bottom end of the threaded rod passes through the round hole and, slide in the first metal disc and be provided with smooth round bar, the quantity of smooth round bar is no less than two and wait the angle and encircle around the threaded rod, the bottom mounting welding of smooth round bar has the stopper, the cover is equipped with the spring on the smooth round bar outer wall between first metal disc and the stopper, the both ends of spring respectively with first metal disc and stopper fixed connection, the top fixedly connected with second metal disc of smooth round bar, the top surface of second metal disc is rotated through cyclic annular carousel and is provided with the third metal disc, the bottom surface of second metal disc and the top surface of third metal disc all fixed adhesion have sealed cushion, through-hole and round hole are fallen into sealed cushion in vertical ascending projection completely.
Preferably, the two ends of the valve seat are fixedly welded with flange plates, and fixing holes are formed in the flange plates.
Preferably, a sealing gasket is fixedly adhered to the outer side wall of the flange plate.
Preferably, the water inlet outlet of the valve seat is fixedly provided with a filter plate, and the filter plate is provided with a cleaning mechanism in a matching manner.
Preferably, the cleaning mechanism comprises a round rod which is rotatably arranged at the circle center of the filter plate through a bearing, one end of the round rod, far away from the filter plate, is fixedly connected with fan blades, a plurality of arc plates which are uniformly distributed at equal angles are fixedly connected to the peripheral wall of the round rod, and the arc plates are tightly attached to the side wall of the filter plate.
Preferably, a circular ring is fixedly arranged on the inner wall of the valve seat and is arranged close to the arc-shaped plate.
The embedded flexible valve seat flange for the valve has the advantages that: the embedded flexible valve seat flange for the valve is characterized in that two parallel vertical plates are fixedly arranged inside a valve seat, a horizontal transverse plate is fixedly welded between the two vertical plates, a hole is formed in each vertical plate, the two holes cannot be positioned above or below a horizontal partition plate at the same time, and a through hole is formed in the horizontal partition plate, so that water flow needs to pass through one hole and the other hole when passing through the valve, a threaded rod is connected to the inner sealing thread of the valve seat, a sealing structure is arranged at the bottom of the threaded rod, the sealing structure can completely block the through hole and the circular hole when the threaded rod is rotated, the valve is closed, when the sealing structure is far away from the through hole and the circular hole by rotating the threaded rod, the valve is opened, and the opening and closing of the valve can be completed as long as the sealing structure is controlled to move up, the problem of exist among the prior art the inside closing plate of valve need with the disk seat inner wall long-term friction when opening and shutting, lead to the easy damage of sealing strip of closing plate edge to reduce the leakproofness of valve, beneficial effect is obvious, is fit for promoting.
Drawings
FIG. 1 is a schematic cross-sectional front view of an in-line flexible valve seat flange for a valve according to the present invention;
FIG. 2 is a schematic top cross-sectional view of an in-line flexible valve seat flange for a valve according to the present invention;
FIG. 3 is an enlarged view of the bottom end of a threaded rod of an in-line flexible valve seat flange according to the present invention;
FIG. 4 is a schematic diagram of a mechanism for cleaning an in-line flexible valve seat flange of a valve according to the present invention.
In the figure: 1 disk seat, 2 ring flanges, 3 smooth round rods, 4 second metal disks, 5 threaded rods, 6 wheel disks, 7 vertical plates, 8 horizontal partition plates, 9 holes, 10 round holes, 11 through holes, 12 first metal disks, 13 third metal disks, 14 sealing rubber pads, 15 limiting blocks, 16 springs, 17 fixing holes, 18 sealing gaskets, 19 filter plates, 20 round rods, 21 fan blades, 22 arc-shaped plates and 23 round rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-4, an embedded flexible valve seat flange for a valve comprises a valve seat 1, wherein two ends of the valve seat 1 are fixedly welded with flange plates 2, fixing holes 17 are formed inside the flange plates 2, outer side walls of the flange plates 2 are fixedly adhered with sealing gaskets 18, the interior of the valve seat 1 is hermetically connected with threaded rods 5 in a threaded manner, one end of each threaded rod 5 penetrates through the side wall of the valve seat 1 and extends into the valve seat 1, the other end of each threaded rod 5 is positioned outside the valve seat 1 and is fixedly welded with a wheel disc 6, two vertical plates 7 are fixedly welded inside the valve seat 1, a horizontal partition plate 8 is fixedly welded between the two vertical plates 7, the two vertical plates 7 are respectively provided with a single hole 9, one hole 9 is positioned above the horizontal partition plate 8, the other hole 9 is positioned below the horizontal partition plate 8, and the horizontal partition, seted up a plurality of through-holes 11 on horizontal dividing plate 8, a plurality of through-holes 11 encircle angular distribution such as round hole 10, through 1 inside fixed risers 7 that are provided with two parallels at the disk seat, fixed welding has horizontal diaphragm 8 between two risers 7, and a hole 9 has all been seted up on two risers 7, and two holes 9 can not be located horizontal dividing plate 8's top or below simultaneously, through-hole 11 has been seted up on horizontal dividing plate 8, so rivers need pass through one of them hole 9 earlier when passing through the valve, pass through-hole 11 on horizontal dividing plate 8 again, discharge from another hole 9 at last, accomplish the overall process of rivers when passing through the valve.
In the invention, the bottom end of a threaded rod 5 passes through a round hole 10 and is positioned below a horizontal partition plate 8, the bottom end of the threaded rod 5 is fixedly connected with a first metal disc 12, a smooth round rod 3 is arranged in the first metal disc 12 in a sliding manner, the number of the smooth round rods 3 is not less than two, the smooth round rods 3 surround the threaded rod 5 at equal angles, a limiting block 15 is fixedly welded at the bottom end of each smooth round rod 3, a spring 16 is sleeved on the outer wall of each smooth round rod 3 between the first metal disc 12 and the limiting block 15, two ends of the spring 16 are respectively fixedly connected with the first metal disc 12 and the limiting block 15, the top end of each smooth round rod 3 is fixedly connected with a second metal disc 4, the top surface of the second metal disc 4 is rotatably provided with a third metal disc 13 through an annular turntable, sealing rubber pads 14 are fixedly adhered to the bottom surface of the second metal disc 4 and the top surface of the third metal disc 13, and the projections of the, when the valve is used for closing, the threaded rod 5 is firstly rotated to enable the threaded rod 5 to move upwards, when the threaded rod 5 moves upwards, the first metal disc 12 fixedly welded at the bottom of the threaded rod 5 is driven to move upwards, when the first metal disc 12 moves upwards, the second metal disc 4 is driven to move upwards under the elastic force of the spring 16, when the second metal disc 4 moves upwards, the third metal disc 13 rotatably arranged on the second metal disc 4 is driven to move upwards, and when the sealing rubber pad 14 on the upper surface of the third metal disc 13 is abutted against the lower surface of the horizontal transverse plate 8, the through hole 11 on the horizontal transverse plate 8 is completely sealed; because there are through holes in the second metal disc 4, the third metal disc 13 and the sealing rubber mat 14, the water flow permeating through the circular hole 10 flows out along the through holes, at this time, the threaded rod 5 is continuously rotated to move the threaded rod 5 upwards, at this time, the first metal disc 12 continuously moves upwards, and the spring 16 is gradually stretched, in this movement process, the third metal disc 13 is always pressed against the horizontal transverse plate 8 and does not move, the first metal disc 12 and the second metal disc 4 can rotate relative to the third metal disc 13 under the action of the annular rotary table, finally, the first metal disc 12 is pressed against the sealing rubber mat 14 on the bottom surface of the second metal disc 4, and the through holes are completely sealed, so that the valve is closed, and when the valve is opened, only the threaded rod 5 needs to be reversely rotated.
In the invention, the opening and closing of the valve can be completed only by controlling the sealing structure at the lower end of the threaded rod 5 to move up and down, so that the problem that the sealing strip at the edge of the sealing plate is easy to damage due to the fact that the sealing plate in the valve needs to rub with the inner wall of the valve seat for a long time when the sealing plate is opened and closed in the prior art is solved, the sealing performance of the valve is reduced, the sealing structure has obvious.
Example 2
Referring to fig. 1 and 4, as another preferred embodiment of the present invention, the difference from embodiment 1 is that a filter plate 19 is fixedly disposed at a water inlet of a valve seat 1, the filter plate 19 can filter large granular impurities in a water flow, a cleaning mechanism is disposed on the filter plate 19 in a matching manner, the cleaning mechanism includes a round rod 20 rotatably disposed at a center of the filter plate 19 through a bearing, a fan blade 21 is fixedly connected to one end of the round rod 20 away from the filter plate 19, a plurality of arc plates 22 uniformly distributed at equal angles are fixedly connected to a circumferential wall of the round rod 20, the arc plates 22 are tightly attached to a side wall of the filter plate 19, a ring 23 is fixedly disposed on an inner wall of the valve seat 1, the ring 23 is disposed close to the arc plates 22, when the fan blade 21 is impacted by the water flow, the fan blade 21 rotates, when the fan blade 21 rotates, the round rod 20 also rotates with the fan blade 21, when the round rod 20 rotates, can clear up the impurity on the filter 19 when the arc 22 rotates to in the double-layered sky between ring 23 and the filter 19 with impurity propelling movement, on preventing to be strikeed filter 19 once more by the impurity that arc 22 cleared up out, influence filter 19's filter effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. The embedded flexible valve seat flange for the valve comprises a valve seat (1) and is characterized in that a threaded rod (5) is connected to the inner closed thread of the valve seat (1), one end of the threaded rod (5) penetrates through the side wall of the valve seat (1) and extends to the inner portion of the valve seat (1), a wheel disc (6) is fixedly welded outside the valve seat (1) at the other end of the threaded rod (5), two vertical plates (7) are fixedly welded inside the valve seat (1), a horizontal partition plate (8) is fixedly welded between the two vertical plates (7), a single hole (9) is formed in each vertical plate (7), one hole (9) is formed in the upper portion of the horizontal partition plate (8), the other hole (9) is formed in the lower portion of the horizontal partition plate (8), and a round hole (10) for the threaded rod (5) to pass through is formed in the horizontal partition plate (8), a plurality of through holes (11) are formed in the horizontal partition plate (8), the through holes (11) are distributed around the round holes (10) at equal angles, the bottom end of the threaded rod (5) penetrates through the round holes (10) and is located below the horizontal partition plate (8), a first metal disc (12) is fixedly connected to the bottom end of the threaded rod (5), a smooth round rod (3) is arranged in the first metal disc (12) in a sliding mode, the number of the smooth round rods (3) is not less than two, the round rods are wound around the threaded rod (5) at equal angles, a limiting block (15) is welded at the bottom end of the smooth round rod (3), a spring (16) is sleeved on the outer wall of the smooth round rod (3) between the first metal disc (12) and the limiting block (15), the two ends of the spring (16) are fixedly connected with the first metal disc (12) and the limiting block (15) respectively, and a second metal disc (4) is fixedly connected to the top end of the smooth, the top surface of second metal disc (4) rotates through cyclic annular carousel and is provided with third metal disc (13), the bottom surface of second metal disc (4) and the top surface of third metal disc (13) are all fixed the adhesion and have sealed cushion (14), through-hole (11) and round hole (10) are in the projection of vertical side fall into sealed cushion (14) completely.
2. The in-line flexible valve seat flange for the valve as claimed in claim 1, wherein the flange plate (2) is fixedly welded at two ends of the valve seat (1), and the fixing hole (17) is formed in the flange plate (2).
3. An in-line flexible valve seat flange for a valve according to claim 2, wherein the outer side wall of the flange plate (2) is fixedly adhered with a sealing gasket (18).
4. An in-line flexible valve seat flange according to claim 1, wherein a filter plate (19) is fixedly arranged at the water inlet of the valve seat (1), and a cleaning mechanism is arranged on the filter plate (19) in a matching way.
5. The in-line flexible valve seat flange for the valve according to claim 4, wherein the cleaning mechanism comprises a round rod (20) rotatably disposed at the center of the filter plate (19) through a bearing, the end of the round rod (20) far away from the filter plate (19) is fixedly connected with fan blades (21), the peripheral wall of the round rod (20) is fixedly connected with a plurality of arc-shaped plates (22) which are uniformly distributed at equal angles, and the arc-shaped plates (22) are tightly attached to the side walls of the filter plate (19).
6. An in-line flexible valve seat flange for a valve according to claim 5, wherein the inner wall of the valve seat (1) is fixedly provided with a circular ring (23), and the circular ring (23) is arranged to abut against the arc-shaped plate (22).
CN202011076145.1A 2020-10-10 2020-10-10 Embedded flexible valve seat flange for valve Pending CN112096882A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011076145.1A CN112096882A (en) 2020-10-10 2020-10-10 Embedded flexible valve seat flange for valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011076145.1A CN112096882A (en) 2020-10-10 2020-10-10 Embedded flexible valve seat flange for valve

Publications (1)

Publication Number Publication Date
CN112096882A true CN112096882A (en) 2020-12-18

Family

ID=73782613

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011076145.1A Pending CN112096882A (en) 2020-10-10 2020-10-10 Embedded flexible valve seat flange for valve

Country Status (1)

Country Link
CN (1) CN112096882A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112870788A (en) * 2021-02-05 2021-06-01 敬千千 Municipal administration sewage treatment plant
CN113153849A (en) * 2021-04-25 2021-07-23 陈惠波 Hydraulic servo valve
CN113565187A (en) * 2021-08-13 2021-10-29 郑州航空工业管理学院 A drainage system for sponge city construction

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10103U (en) * 1986-05-16 1998-04-24 ニュプロ コムパニー Diaphragm valve
CN2665472Y (en) * 2003-06-04 2004-12-22 卢普伦 Self-pressing leak-free adjustable cone disc valve
CN205618684U (en) * 2016-05-11 2016-10-05 温州威钢科技有限公司 High sealed valve
CN209115735U (en) * 2018-11-27 2019-07-16 盐城宏瑞石化机械有限公司 A kind of check-valves with filter device
CN110886887A (en) * 2018-09-11 2020-03-17 上海晟凡流体控制有限公司 Fluorine-lined ball valve
CN111550857A (en) * 2020-06-08 2020-08-18 陕西科卫水工业设备有限公司 Heating type hot water supply device with scale prevention and control structure
CN111577942A (en) * 2020-05-18 2020-08-25 捷达消防科技(苏州)股份有限公司 End cover type fire-fighting water separator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10103U (en) * 1986-05-16 1998-04-24 ニュプロ コムパニー Diaphragm valve
CN2665472Y (en) * 2003-06-04 2004-12-22 卢普伦 Self-pressing leak-free adjustable cone disc valve
CN205618684U (en) * 2016-05-11 2016-10-05 温州威钢科技有限公司 High sealed valve
CN110886887A (en) * 2018-09-11 2020-03-17 上海晟凡流体控制有限公司 Fluorine-lined ball valve
CN209115735U (en) * 2018-11-27 2019-07-16 盐城宏瑞石化机械有限公司 A kind of check-valves with filter device
CN111577942A (en) * 2020-05-18 2020-08-25 捷达消防科技(苏州)股份有限公司 End cover type fire-fighting water separator
CN111550857A (en) * 2020-06-08 2020-08-18 陕西科卫水工业设备有限公司 Heating type hot water supply device with scale prevention and control structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112870788A (en) * 2021-02-05 2021-06-01 敬千千 Municipal administration sewage treatment plant
CN113153849A (en) * 2021-04-25 2021-07-23 陈惠波 Hydraulic servo valve
CN113153849B (en) * 2021-04-25 2023-09-15 沈阳帕维电力技术有限公司 Hydraulic servo valve
CN113565187A (en) * 2021-08-13 2021-10-29 郑州航空工业管理学院 A drainage system for sponge city construction

Similar Documents

Publication Publication Date Title
CN112096882A (en) Embedded flexible valve seat flange for valve
CN209278563U (en) A kind of check-valves
CN115095682A (en) High-temperature and high-pressure valve
CN112049946A (en) Butterfly valve based on automatic control
CN114877086A (en) Forged steel stop valve for high-temperature and high-pressure delivery pipeline
CN208519229U (en) A kind of check valve with operating device
CN205578862U (en) Improved generation rotation type ball -cock assembly
CN108547980A (en) A kind of check valve with operating device
CN210123019U (en) Pneumatic butterfly valve
CN212775629U (en) Butterfly valve casting
CN211599603U (en) High platform ball valve with non-maintaining function
CN208793706U (en) A kind of lining fire safe type high temperature tee joint butterfly valve
CN208519228U (en) A kind of check valve
CN210950056U (en) Desulfurization butterfly valve with prevent backward flow function
CN210344318U (en) Side leakage prevention sanitary-grade butterfly valve with partition function
CN218326246U (en) Butterfly valve with filtering capability
CN214305434U (en) Integral type stop valve
CN105134999B (en) Disc type three way flow control valve
CN213808936U (en) Butterfly valve with anti-backflow function
CN210890183U (en) Semi-lining flange butterfly valve
CN115750382B (en) Horizontal self-priming centrifugal pump
CN216867565U (en) External control sealing ball valve
CN209458418U (en) A kind of flange cut-off valve
CN215596427U (en) Gate valve for controlling medium switch of low-pressure pipeline
CN211624220U (en) Pneumatic wafer formula rubber two way seal butterfly valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20201218