CN110748677A - Anti-blocking check valve - Google Patents
Anti-blocking check valve Download PDFInfo
- Publication number
- CN110748677A CN110748677A CN201910971811.9A CN201910971811A CN110748677A CN 110748677 A CN110748677 A CN 110748677A CN 201910971811 A CN201910971811 A CN 201910971811A CN 110748677 A CN110748677 A CN 110748677A
- Authority
- CN
- China
- Prior art keywords
- valve body
- fixed
- bolt
- filter screen
- top cover
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 28
- 239000012535 impurity Substances 0.000 abstract description 24
- 239000007788 liquid Substances 0.000 abstract description 24
- 238000000034 method Methods 0.000 abstract description 8
- 239000012141 concentrate Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
-
- 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
- B01D29/62—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
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
- F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
- F16K15/1821—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism for check valves with a hinged or pivoted closure member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Details Of Valves (AREA)
- Check Valves (AREA)
Abstract
The invention discloses an anti-blocking check valve which comprises a first valve body and a rotating plate, wherein a hydraulic cylinder is fixed on the lower end face of a first top cover, a moving frame is fixed on the hydraulic cylinder through a second bolt, baffle plates are arranged on the right side of a first through hole and the right side of a groove, a filter screen is fixed in the first valve body through a fourth bolt, a first stop block and a second stop block are arranged on the right side of the filter screen, the rotating plate is arranged between the first stop block and the second stop block, a second valve body is fixed on the right side of the first valve body through a double-headed bolt, a fixing frame is fixed in the second valve body, and a threaded rod penetrates through the upper end faces of the second top cover and a moving block. This prevent check valve of jam, liquid are at the in-process that flows, and the filter screen can filter out the impurity in the liquid, and stop impurity at the left end face of filter screen, and the in-process that removes the frame and remove downwards can concentrate impurity removal to the recess to prevent that impurity from blockking up the filter screen.
Description
Technical Field
The invention relates to the technical field of check valves, in particular to an anti-blocking check valve.
Background
The check valve is a valve with a round valve clack and acts by self weight and medium pressure to block the medium from flowing backwards, belongs to the automatic valve class, and is also called a check valve, a one-way valve, a backflow valve or an isolation valve.
Liquid in the present check valve when carrying out the edulcoration, thereby impurity easily produces and piles up easily to lead to the filter screen to block up, and at the in-process that dams to lead to damming operation thoroughly inadequately, therefore it is convenient inadequately to use, to above-mentioned problem, needs improve current equipment.
Disclosure of the invention
The invention aims to provide an anti-blocking check valve, which aims to solve the problems that impurities are easy to accumulate to easily cause filter screen blockage when liquid in the existing check valve in the background technology is subjected to impurity removal, and the interception operation is not thorough in the interception process.
In order to achieve the purpose, the invention provides the following technical scheme: a non-return valve against blocking comprises a first valve body and a rotating plate, wherein the upper side and the lower side of the first valve body are respectively provided with a first through hole and a groove, a first top cover is arranged on the upper side of the first through hole, the upper end surface of the first valve body is connected with a first sealing ring in a clamping manner, the first sealing ring is fixed on the lower end surface of the first top cover, meanwhile, the first top cover is fixed on the first valve body through a first bolt, the lower end surface of the first top cover is fixedly provided with a hydraulic cylinder, the hydraulic cylinder is arranged on the inner side of the first sealing ring, meanwhile, the lower side of the hydraulic cylinder is connected with a movable frame through a hydraulic rod, the movable frame is fixed on the hydraulic cylinder through a second bolt, the outer side of the movable frame is connected with a second sealing ring in a clamping manner, the right side of the first through hole and the right side of the groove are both provided with baffle plates, the baffle plates are fixed, the filter screen is arranged at the right side of the first through hole and the groove, the right side of the filter screen is provided with a first stop block and a second stop block, the first stop block is arranged at the left side of the second stop block, meanwhile, a first stop block and a second stop block are respectively fixed on the upper side wall and the lower side wall of the first valve body, the rotating plate is arranged between the first stop block and the second stop block, the rotating plate is connected with the first valve body through a shaft lever, the right side of the first valve body is fixed with a second valve body through a stud bolt, and the left end surface of the first valve body and the right end surface of the second valve body are both provided with mounting holes, a fixing frame is fixed in the second valve body, and the fixing frame is provided with a second through hole, meanwhile, a threaded rod is arranged on the upper side of the second valve body and penetrates through the upper end faces of the second top cover and the moving block, and the second top cap is fixed at the top of the second valve body through a fifth bolt, and a third sealing ring is fixed at the outer side of the bottom of the moving block through a sixth bolt.
Preferably, the first top cover is connected with the first valve body through a first bolt in a threaded manner.
Preferably, the hydraulic cylinder and the movable frame form a telescopic structure through a hydraulic rod, and the movable frame is in a [ -shape.
Preferably, the baffle is in threaded connection with the first valve body through a third bolt.
Preferably, the filter screen is connected with the first valve body through a fourth bolt in a threaded manner, and the filter screen is square.
Preferably, the rotating plate is in rotating connection with the first valve body through the shaft rod.
Preferably, the mounting holes are uniformly distributed on the left end surface of the first valve body and the right end surface of the second valve body.
Preferably, the threaded rod is connected with the second top cover in a rotating mode, and the threaded rod is connected with the moving block in a threaded mode.
Preferably, the third sealing ring is connected with the moving block in a clamping manner, and the moving block is square.
Compared with the prior art, the beneficial effects of the invention are that: the anti-clogging check valve is characterized in that,
(1) the valve body is provided with a first valve body, a second valve body and mounting holes, and the first valve body and the second valve body can be fixed on corresponding equipment under the action of the mounting holes and external bolts, so that the valve body is convenient to disassemble and assemble;
(2) the filter screen is provided with a first through hole, a groove, a moving frame, a baffle and a filter screen, wherein the filter screen can filter out impurities in liquid in the flowing process of the liquid and block the impurities on the left end surface of the filter screen, the moving frame can move the impurities into the groove in a centralized manner in the downward moving process, the impurities in the groove can be taken out after the baffle on the right side of the groove is disassembled, the baffle is installed again after the impurities are cleaned, the moving frame moves upwards, so that the impurities on the left end surface of the filter screen are driven to move upwards into the first through hole, the impurities in the first through hole can be taken out after the baffle on the right side of the first through hole is disassembled, and the filter screen is prevented from being;
(3) the liquid backflow prevention device is provided with the rotating plate, the rotating plate can be driven to rotate rightwards in the process that the liquid flows rightwards, the liquid can continue to flow, the rotating plate can be driven to move leftwards when the liquid flows backwards, and the rotating plate cannot continue to rotate leftwards when rotating to a vertical state, so that the liquid is prevented from continuing to flow, and the backflow prevention purpose is achieved;
(4) the movable block is driven to move downwards when the threaded rod is manually rotated until the third sealing ring is positioned on the inner side of the second through hole, so that the intercepting operation is carried out;
(5) be provided with first top cap, first bolt, remove frame, second top cap, fifth bolt and movable block, take off first bolt and fifth bolt and can dismantle first top cap and second top cap respectively, conveniently clear up removal frame and movable block, make removal frame and movable block keep clean and tidy.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic diagram of a right-side cross-sectional structure of the present invention;
FIG. 4 is a schematic diagram of the right-view structure of the present invention;
FIG. 5 is a left side view of the present invention;
FIG. 6 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 1 according to the present invention.
In the figure: 1. the valve comprises a first valve body, 2, a first through hole, 3, a groove, 4, a first top cover, 5, a first sealing ring, 6, a first bolt, 7, a hydraulic cylinder, 8, a hydraulic rod, 9, a moving frame, 10, a second bolt, 11, a second sealing ring, 12, a baffle, 13, a third bolt, 14, a filter screen, 15, a fourth bolt, 16, a first stop dog, 17, a rotating plate, 18, a shaft rod, 19, a second stop dog, 20, a second valve body, 21, a stud bolt, 22, a mounting hole, 23, a fixing frame, 24, a second through hole, 25, a threaded rod, 26, a second top cover, 27, a fifth bolt, 28, a moving block, 29, a third sealing ring, 30 and a sixth bolt.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a non-return valve against block, according to fig. 1 and fig. 2, the upper and lower both sides of the first valve body 1 are equipped with the first through hole 2 and recess 3 separately, and the upside of the first through hole 2 has the first top cover 4, the first top cover 4 is the threaded connection through the connection mode between first bolt 6 and the first valve body 1, the first seal ring 5 can enhance the sealing property between the first top cover 4 and the first valve body 1, after finishing working, take off the first bolt 6 and can dismantle the first top cover 4, facilitate the subsequent dismantlement and cleaning work of the mobile frame 9, the upper end of the first valve body 1 is connected with the first seal ring 5 in a snap-fit manner, and the first seal ring 5 is fixed on the lower end of the first top cover 4, meanwhile the first top cover 4 is fixed on the first valve body 1 through the first bolt 6, the lower end of the first top cover 4 is fixed with the fluid cylinder 7, and the fluid cylinder 7 is set up in the inboard of the first seal ring 5, meanwhile, the lower side of the hydraulic cylinder 7 is connected with the movable frame 9 through the hydraulic rod 8, the hydraulic cylinder 7 and the movable frame 9 form a telescopic structure through the hydraulic rod 8, the movable frame 9 is in a [ -shape, and the movable frame 9 can move up and down under the action of the hydraulic cylinder 7 and the hydraulic rod 8 so as to remove impurities on the left end face of the filter screen 14.
According to the drawings of fig. 1, 2 and 3, a movable frame 9 is fixed on a hydraulic cylinder 7 through a second bolt 10, a second sealing ring 11 is clamped and connected to the outer side of the movable frame 9, baffle plates 12 are arranged on the right side of a first through hole 2 and the right side of a groove 3, the baffle plates 12 are fixed on a first valve body 1 through third bolts 13, the baffle plates 12 are in threaded connection with the first valve body 1 through the third bolts 13, the baffle plates 12 can be detached by detaching the third bolts 13, impurities in the first through hole 2 and the groove 3 can be conveniently cleaned, a filter screen 14 is fixed in the first valve body 1 through fourth bolts 15, the filter screen 14 is arranged on the right side of the first through hole 2 and the groove 3, the filter screen 14 is in threaded connection with the first valve body 1 through the fourth bolts 15, the filter screen 14 is square, the filter screen 14 can be fixed in the first valve body 1 by rotating the fourth bolts 15, the screen 14 may act as a filter for the liquid while the impurities are isolated on the left side of the screen 14, thereby improving the quality of the liquid delivery.
According to the drawings of fig. 1, 2, 4 and 5, a first stopper 16 and a second stopper 19 are arranged on the right side of the filter screen 14, the first stopper 16 is arranged on the left side of the second stopper 19, the first stopper 16 and the second stopper 19 are respectively fixed on the upper and lower side walls of the first valve body 1, the rotating plate 17 is arranged between the first stopper 16 and the second stopper 19, the rotating plate 17 is connected with the first valve body 1 through a shaft lever 18, the rotating plate 17 is rotationally connected with the first valve body 1 through the shaft lever 18, when the liquid flows forward, the impact force of the water flow can drive the rotating plate 17 to rotate rightwards, the liquid can continue to flow, when the liquid flows backwards, the rotating plate 17 can rotate leftwards under the action of the shaft lever 18, when the rotating plate 17 rotates to the vertical state, the rotating plate is blocked by the first stopper 16 and cannot continue to rotate leftwards, the liquid cannot continue to flow backwards, the rotating plate 17 can play a role in preventing backflow, the right side of first valve body 1 is fixed with second valve body 20 through stud 21, and the left end face of first valve body 1 and the right-hand member face of second valve body 20 have all seted up mounting hole 22, and mounting hole 22 evenly distributed is at the left end face of first valve body 1 and the right-hand member face of second valve body 20, and first valve body 1 and second valve body 20 all can be fixed on corresponding equipment under the effect of mounting hole 22 and outside bolt to make things convenient for the normal work of the flow of liquid and the device.
As shown in fig. 1, 2, 6 and 7, a fixed frame 23 is fixed in the second valve body 20, a second through hole 24 is formed in the fixed frame 23, a threaded rod 25 is disposed on the upper side of the second valve body 20, the threaded rod 25 is rotatably connected to a second top cover 26, the threaded rod 25 is threadedly connected to a movable block 28, when the threaded rod 25 is manually rotated, the movable block 28 can move downward under the limiting action of the threaded rod 25 and the second valve body 20 to stop flow, the threaded rod 25 penetrates through the upper end surfaces of the second top cover 26 and the movable block 28, the second top cover 26 is fixed on the top of the second valve body 20 through a fifth bolt 27, a third sealing ring 29 is fixed on the outer side of the bottom of the movable block 28 through a sixth bolt 30, the third sealing ring 29 is engaged with the movable block 28, and the movable block 28 is square, when the third sealing ring 29 moves to the inner side of the second through hole 24, the intercepting operation can be completed, the third sealing ring 29 can increase the sealing performance between the fixed frame 23 and the moving block 28, so that the intercepting effect is improved, and the third sealing ring 29 can be detached by taking out the moving block 28 and then taking down the sixth bolt 30, so that the replacement is convenient.
The working principle of the embodiment is as follows: when the anti-blocking check valve is used, firstly, the first valve body 1 and the second valve body 20 are fixed on corresponding equipment through the mounting hole 22 and an external bolt, the check valve is connected to an external power supply, liquid flows from left to right, the filter screen 14 filters impurities in the liquid and blocks the impurities on the left side of the filter screen 14, the hydraulic cylinder 7 is started, the hydraulic cylinder 7 drives the hydraulic rod 8 to extend so as to drive the moving frame 9 to move downwards until the second sealing ring 11 is tightly attached to the groove 3 to prevent the liquid from continuously flowing into the groove 3, the impurities are pushed into the groove 3, the baffle 12 on the right side of the lower groove 3 can be detached by the third bolt 13 so as to remove the impurities in the groove 3, the baffle 12 on the right side of the groove 3 is installed again after the impurities are removed, after a period of time, the hydraulic cylinder 7 drives the hydraulic rod 8 to contract so as to drive the moving frame 9 to move upwards until the second sealing ring 11 is, prevent the liquid from continuing to flow into the first through hole 2, dismantle the baffle 12 on the right side of the first through hole 2, so as to remove the impurity in the first through hole 2, the moving frame 9 moves repeatedly to prevent the filter screen 14 from being blocked, the liquid can rotate to the right under the action of the shaft lever 18 in the process of flowing to the right, so as to continue the flowing of the liquid, when the backflow phenomenon occurs, the rotating plate 17 can rotate to the left under the action of the shaft lever 18 until it is in a vertical state, the rotating plate 17 can not rotate to the left under the action of the first stopper 16, so as to not continue the backflow, when the flow needs to be stopped, the threaded rod 25 is rotated manually, the moving block 28 moves downwards under the limiting action of the threaded rod 25 and the second valve body 20 until the third sealing ring 29 is positioned at the inner side of the second through hole 24, so as to complete the work, the first top cover 4 can be dismantled by taking down the first bolt 6 after the work is finished, the second bolt 10 is removed to detach the movable frame 9, so as to clean the impurities remained on the movable frame, the fifth bolt 27 is removed to detach the second top cover 26, the sixth bolt 30 is removed to detach the third sealing ring 29, so as to facilitate replacement for next use, and the content not described in detail in the specification belongs to the prior art known by the person skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. An anti-clogging check valve, comprising a first valve body (1) and a rotating plate (17), characterized in that: the upper side and the lower side of the first valve body (1) are respectively provided with a first through hole (2) and a groove (3), a first top cover (4) is arranged on the upper side of the first through hole (2), the upper end face of the first valve body (1) is connected with a first sealing ring (5) in a clamping manner, the first sealing ring (5) is fixed on the lower end face of the first top cover (4), meanwhile, the first top cover (4) is fixed on the first valve body (1) through a first bolt (6), the lower end face of the first top cover (4) is fixed with a hydraulic cylinder (7), the hydraulic cylinder (7) is arranged on the inner side of the first sealing ring (5), meanwhile, the lower side of the hydraulic cylinder (7) is connected with a movable frame (9) through a hydraulic rod (8), the movable frame (9) is fixed on the hydraulic cylinder (7) through a second bolt (10), and the outer side of the movable frame (9) is connected with a second sealing ring (11), the right side of the first through hole (2) and the right side of the groove (3) are both provided with a baffle plate (12), the baffle plate (12) is fixed on the first valve body (1) through a third bolt (13), a filter screen (14) is fixed in the first valve body (1) through a fourth bolt (15), the filter screen (14) is arranged on the right side of the first through hole (2) and the groove (3), the right side of the filter screen (14) is provided with a first stop block (16) and a second stop block (19), the first stop block (16) is arranged on the left side of the second stop block (19), the first stop block (16) and the second stop block (19) are respectively fixed on the upper side wall and the lower side wall of the first valve body (1), the rotating plate (17) is arranged between the first stop block (16) and the second stop block (19), the rotating plate (17) is connected with the first valve body (1) through a shaft lever (18), the right side of the first valve body (1) is fixed with a second valve body (20) through a double-headed bolt (21), and the left end face of the first valve body (1) and the right end face of the second valve body (20) are both provided with mounting holes (22), the second valve body (20) is internally fixed with a fixing frame (23), the fixing frame (23) is provided with a second through hole (24), a threaded rod (25) is arranged on the upper side of the second valve body (20), the threaded rod (25) penetrates through the upper end faces of a second top cover (26) and a moving block (28), the second top cover (26) is fixed to the top of the second valve body (20) through a fifth bolt (27), and a third sealing ring (29) is fixed to the outer side of the bottom of the moving block (28) through a sixth bolt (30).
2. The anti-clogging check valve of claim 1, wherein: the first top cover (4) is in threaded connection with the first valve body (1) through a first bolt (6).
3. The anti-clogging check valve of claim 1, wherein: the hydraulic cylinder (7) and the movable frame (9) form a telescopic structure through a hydraulic rod (8), and the movable frame (9) is in a [ -shape.
4. The anti-clogging check valve of claim 1, wherein: the baffle (12) is in threaded connection with the first valve body (1) through a third bolt (13).
5. The anti-clogging check valve of claim 1, wherein: the filter screen (14) is in threaded connection with the first valve body (1) through a fourth bolt (15), and the filter screen (14) is square.
6. The anti-clogging check valve of claim 1, wherein: the rotating plate (17) is in rotating connection with the first valve body (1) through a shaft lever (18).
7. The anti-clogging check valve of claim 1, wherein: the mounting holes (22) are uniformly distributed on the left end face of the first valve body (1) and the right end face of the second valve body (20).
8. The anti-clogging check valve of claim 1, wherein: the threaded rod (25) is connected with the second top cover (26) in a rotating mode, and the threaded rod (25) is connected with the moving block (28) in a threaded mode.
9. The anti-clogging check valve of claim 1, wherein: the third sealing ring (29) is connected with the moving block (28) in a clamping mode, and the moving block (28) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971811.9A CN110748677A (en) | 2019-10-14 | 2019-10-14 | Anti-blocking check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910971811.9A CN110748677A (en) | 2019-10-14 | 2019-10-14 | Anti-blocking check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110748677A true CN110748677A (en) | 2020-02-04 |
Family
ID=69278124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910971811.9A Pending CN110748677A (en) | 2019-10-14 | 2019-10-14 | Anti-blocking check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110748677A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807792A (en) * | 2020-12-29 | 2021-05-18 | 徐州中液过滤技术有限公司 | Can block up oil absorption filter of warning to debris gathering |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905728A (en) * | 1987-07-27 | 1990-03-06 | Scaramucci John P | Swing check valve with hinge pin retainer |
| CN2623981Y (en) * | 2003-06-18 | 2004-07-07 | 梁焯光 | Non-return filtering stop valve |
| CN201103707Y (en) * | 2007-11-22 | 2008-08-20 | 周永伟 | Valve especially for water meter |
| CN101806370A (en) * | 2010-04-30 | 2010-08-18 | 铜陵新特阀门有限责任公司 | Multifunctional watermeter connecting valve |
| WO2010130724A1 (en) * | 2009-05-14 | 2010-11-18 | Rico Sicherheitstechnik Ag | Explosion protection valve for interrupting a fluid flow in a pipeline |
| KR200460842Y1 (en) * | 2010-04-28 | 2012-06-13 | 김원제 | A drain pipe shielder and a drain pipe shielder assembly thereof |
| CN203395288U (en) * | 2013-06-27 | 2014-01-15 | 浙江工贸职业技术学院 | Butterfly filter check valve |
| CN205190848U (en) * | 2015-10-30 | 2016-04-27 | 重庆天狼塑胶管业有限公司 | Three angle valves with triangle -shaped case |
| CN205298696U (en) * | 2015-12-18 | 2016-06-08 | 纽威阀门有限公司 | Bivalve lamella cast steel stop valve |
| CN106151584A (en) * | 2015-04-20 | 2016-11-23 | 安徽汇隆给水设备有限公司 | A kind of three-port check damper with defecator |
| CN206001016U (en) * | 2016-08-23 | 2017-03-08 | 杭州丽顺环境科技有限公司 | A kind of sewage choke valve |
| CN206439451U (en) * | 2017-01-06 | 2017-08-25 | 浙江汇丰阀门有限公司 | A kind of horizontal check valve |
| CN206904311U (en) * | 2017-04-27 | 2018-01-19 | 广州鸿凯机械科技有限公司 | The check valve apparatus of flow-controllable |
| CN207333783U (en) * | 2017-04-28 | 2018-05-08 | 杭州凯维阀门集团有限公司 | A kind of ball valve |
| CN207715769U (en) * | 2017-12-28 | 2018-08-10 | 江苏盐高阀门制造有限公司 | A kind of anticlogging shut-off valve |
| CN208474568U (en) * | 2018-07-21 | 2019-02-05 | 玉环池氏阀门有限公司 | A kind of current stabilization filtration type check valve |
| CN208967088U (en) * | 2018-09-18 | 2019-06-11 | 上海润托泵阀有限公司 | A kind of full lining ceramic ball valve |
| CN110056686A (en) * | 2019-04-26 | 2019-07-26 | 江苏圣泰阀门有限公司 | A kind of novel stop check valve |
-
2019
- 2019-10-14 CN CN201910971811.9A patent/CN110748677A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905728A (en) * | 1987-07-27 | 1990-03-06 | Scaramucci John P | Swing check valve with hinge pin retainer |
| CN2623981Y (en) * | 2003-06-18 | 2004-07-07 | 梁焯光 | Non-return filtering stop valve |
| CN201103707Y (en) * | 2007-11-22 | 2008-08-20 | 周永伟 | Valve especially for water meter |
| WO2010130724A1 (en) * | 2009-05-14 | 2010-11-18 | Rico Sicherheitstechnik Ag | Explosion protection valve for interrupting a fluid flow in a pipeline |
| KR200460842Y1 (en) * | 2010-04-28 | 2012-06-13 | 김원제 | A drain pipe shielder and a drain pipe shielder assembly thereof |
| CN101806370A (en) * | 2010-04-30 | 2010-08-18 | 铜陵新特阀门有限责任公司 | Multifunctional watermeter connecting valve |
| CN203395288U (en) * | 2013-06-27 | 2014-01-15 | 浙江工贸职业技术学院 | Butterfly filter check valve |
| CN106151584A (en) * | 2015-04-20 | 2016-11-23 | 安徽汇隆给水设备有限公司 | A kind of three-port check damper with defecator |
| CN205190848U (en) * | 2015-10-30 | 2016-04-27 | 重庆天狼塑胶管业有限公司 | Three angle valves with triangle -shaped case |
| CN205298696U (en) * | 2015-12-18 | 2016-06-08 | 纽威阀门有限公司 | Bivalve lamella cast steel stop valve |
| CN206001016U (en) * | 2016-08-23 | 2017-03-08 | 杭州丽顺环境科技有限公司 | A kind of sewage choke valve |
| CN206439451U (en) * | 2017-01-06 | 2017-08-25 | 浙江汇丰阀门有限公司 | A kind of horizontal check valve |
| CN206904311U (en) * | 2017-04-27 | 2018-01-19 | 广州鸿凯机械科技有限公司 | The check valve apparatus of flow-controllable |
| CN207333783U (en) * | 2017-04-28 | 2018-05-08 | 杭州凯维阀门集团有限公司 | A kind of ball valve |
| CN207715769U (en) * | 2017-12-28 | 2018-08-10 | 江苏盐高阀门制造有限公司 | A kind of anticlogging shut-off valve |
| CN208474568U (en) * | 2018-07-21 | 2019-02-05 | 玉环池氏阀门有限公司 | A kind of current stabilization filtration type check valve |
| CN208967088U (en) * | 2018-09-18 | 2019-06-11 | 上海润托泵阀有限公司 | A kind of full lining ceramic ball valve |
| CN110056686A (en) * | 2019-04-26 | 2019-07-26 | 江苏圣泰阀门有限公司 | A kind of novel stop check valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112807792A (en) * | 2020-12-29 | 2021-05-18 | 徐州中液过滤技术有限公司 | Can block up oil absorption filter of warning to debris gathering |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204093135U (en) | Online, dismounting, self-cleaning efficient filter is exempted from | |
| CN105477922A (en) | Pre-filter with function of automatically cleaning filter screen | |
| CN213176961U (en) | Valve with filtering and cleaning functions | |
| CN110748677A (en) | Anti-blocking check valve | |
| CN210645253U (en) | Sewage treatment tank capable of backwashing | |
| CN103127761B (en) | The microfiltration equipment of tertiary sewage treatment | |
| CN202263479U (en) | Backwashing filtering device for coal mining machine | |
| CN213271566U (en) | Anti-return water conservancy pipeline capable of achieving emergency | |
| CN105582725B (en) | A kind of floatation type slight irrigation filtration system | |
| CN206011526U (en) | A kind of cooling water channel mould scale cleaning machine | |
| CN205252657U (en) | Low pressure slurry filter for bore hole pump | |
| CN218000499U (en) | Anti-blocking reversing valve for petroleum machinery | |
| CN214880363U (en) | Utilize resin treatment effluent plant | |
| CN207795555U (en) | A kind of pump entry strainer | |
| CN213868239U (en) | Prefabricated pump station of back flush integration of no dead angle pipeline bypass | |
| CN204283870U (en) | Water filtration assemblies on a kind of slurry pump | |
| CN204381030U (en) | A kind of bottle washing machine preventing clogging up device | |
| CN210278446U (en) | Self-cleaning filter for impurity salt treatment | |
| CN211080419U (en) | Self-cleaning tank body of non-negative-pressure water supply equipment | |
| CN207445750U (en) | A kind of strainer valve of rapid pollution discharging easy to clean | |
| CN204233880U (en) | A kind of bio-pharmaceuticals extracting liquid filtering device | |
| CN205164283U (en) | Easily clean formula tap's filter unit | |
| CN209900819U (en) | Industrial sewage treatment device | |
| CN218188290U (en) | Filtering mechanism of sewage adjusting tank | |
| CN118062431B (en) | Storage device for high-salt wastewater |
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 |
Application publication date: 20200204 |
|
| RJ01 | Rejection of invention patent application after publication |