CN109798406B - Check valve capable of being rapidly disassembled - Google Patents
Check valve capable of being rapidly disassembled Download PDFInfo
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- CN109798406B CN109798406B CN201910067177.6A CN201910067177A CN109798406B CN 109798406 B CN109798406 B CN 109798406B CN 201910067177 A CN201910067177 A CN 201910067177A CN 109798406 B CN109798406 B CN 109798406B
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Abstract
The invention relates to a rapidly detachable check valve which comprises a telescopic main pipe, a one-way filter, a connecting cylinder, a first connecting pipe and a second connecting pipe, wherein the one-way filter is arranged at the left end of the telescopic main pipe, the first connecting pipe is arranged at the left end of the one-way filter, the connecting cylinder is arranged at the right end of the telescopic main pipe, and the second connecting pipe is arranged at the right end of the connecting cylinder. The invention can solve the problems that the existing check valve needs to rotate to connect with an external pipeline, the existing check valve is difficult to install and disassemble because the distance left between the pipelines at two sides is narrow when the existing check valve is installed and disassembled, and the flowing liquid is difficult to avoid large-particle impurities when the existing check valve is used, and the pipeline is blocked and difficult to clean when the existing check valve flows for a long time.
Description
Technical Field
The invention relates to the field of valves, in particular to a check valve capable of being quickly disassembled.
Background
The check valve is one of many pipeline valves, the check valve refers to the valve which relies on the medium itself to flow and opens and closes the valve clack automatically, used to prevent the medium from flowing backwards, also known as check valve, reverse flow valve, and back pressure valve, the check valve belongs to an automatic valve, its main function is to prevent the medium from flowing backwards, prevent the pump and driving motor from reversing, and the container medium is discharged, the invention is directed to the plastic horizontal check valve.
However, the existing check valve has the following defects in the process of mounting and dismounting: 1. the check valve needs to be rotated to be connected with an external pipeline; 2. when the check valve is mounted and dismounted, the existing check valve is difficult to clamp and mount and dismount due to the narrow distance left between the pipelines at the two sides; 3. when the existing check valve is used, flowing liquid is difficult to avoid large-particle impurities, and a pipeline is blocked and difficult to clean when flowing for a long time.
The Chinese utility model patent with the patent application number of 2017210216073 discloses a check valve which is convenient to disassemble, the check valve can be disassembled by the mutual matching of a valve body, a one-way stop block, a movable shaft, a fixed body, a clamping body and a lock sleeve, the device can be organically inspected and maintained, and the problems can be conveniently eliminated at any time; the chinese utility model patent with patent application number 2018203628105 discloses a detachable plastics check valve, and the cost is lower, construction convenience, advantages such as convenient maintenance have still reduced the hidden danger of leaking simultaneously.
However, devices for quick removal of plastic check valves are still relatively rare, and it is therefore highly necessary to design special quick-removable check valves.
Disclosure of Invention
In order to solve the problems, the invention provides a check valve capable of being quickly disassembled, which can solve the problems that the existing check valve needs to rotate to connect with an external pipeline, the existing check valve is difficult to assemble and disassemble due to the narrow distance left between the pipelines at two sides, and the existing check valve is difficult to assemble and disassemble, the flowing liquid is difficult to avoid large granular impurities when the existing check valve is used, the pipeline is blocked and difficult to clean when the existing check valve flows for a long time, and the like.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a check valve that can dismantle fast, is responsible for, one-way filter, connecting cylinder, takeover and No. two takeovers including flexible, the flexible left end of being responsible for be provided with one-way filter, one-way filter's left end is provided with the takeover No. one, the connecting cylinder is installed to flexible right-hand member of being responsible for, the right-hand member of connecting cylinder is provided with No. two takeovers.
Flexible be responsible for including the check valve body, two flexible pipes, two solid fixed rings, two slip posts, two business turn over boards, two screens mechanisms and two card framves, both ends are connected with two flexible pipes about the check valve body, solid fixed ring is installed to the outer end of flexible pipe, be provided with the screw thread on solid fixed ring's the inner wall, the slip post is installed to solid fixed ring's rear end, the slip post links to each other with business turn over board through sliding fit's mode, the business turn over board is installed at the check valve body, screens mechanism is installed to solid fixed ring's front end, concrete during operation, two screens mechanisms and two card framves cooperate and stretch out and draw back spacingly to two flexible pipes, two solid fixed ring rectilinear movement are assisted to two slip posts, flexible be responsible for through first takeover of flexible assistance, no.
The clamping mechanism comprises a fixing frame, a limiting plate, a connecting rod, an adjusting plate, a top frame, a compression leg, a connecting plate and a return spring, and empty grooves are uniformly formed in the front end of the fixing frame.
The limiting plate is installed through the round pin axle in the middle part of dead slot, installs even board on the solid frame, links to each other the board through sliding fit's mode and compression leg, and the regulating plate is installed to the rear end of compression leg, and regulating plate and even be connected with reset spring between the board, have the connecting rod through hinge mounting between regulating plate and the limiting plate, and the roof-rack is evenly installed to the front end of solid frame, and the roof-rack supports on the limiting plate.
The one-way filter include cartridge filter, filter screen and opening towards the net, the filter screen is installed to the right-hand member inner wall of cartridge filter, the filter screen is the round platform structure, the middle part of filter screen is the open slot, evenly is provided with the opening towards the net along its circumference in the open slot, concrete during operation, thoughtlessly there are large granule impurity during liquid flow, when liquid flows through one-way filter, wash the opening towards the net, large granule impurity has stayed in one-way filter.
The first connecting pipe and the second connecting pipe are the same devices with the same structure and size, the first connecting pipe comprises a thread inner cylinder, a rotary connector pipe and a sealing mechanism, the outer wall of the thread inner cylinder is provided with the rotary connector pipe, the sealing mechanism is installed on the outer wall of the rotary connector pipe, the rotary connector pipe rotates to be connected with a pipeline during specific work, then the rotary connector pipe and the thread inner cylinder are clamped with each other, the sealing mechanism seals gaps between the thread inner cylinder and the rotary connector pipe, installation is facilitated, the rotary connector pipe only needs to be rotated when the rotary connector pipe is connected with the pipeline, a check valve does not need to be rotated, and installation and disassembly are facilitated.
Two sections of threads are arranged at the left end and the right end of the connecting cylinder, and the two sections of threads play a connecting role.
Preferably, the card frame include telescopic link, handling frame, stopper, coupling spring and diaphragm, the inboard at the diaphragm is installed on the top of telescopic link, the handling frame is installed in the outside of diaphragm, the stopper is installed through the round pin axle in the rear end of handling frame, is connected with coupling spring between stopper and the handling frame, the handling frame is Z word structure, is provided with the business turn over groove on the handling frame.
Preferably, the opening towards the net including wash out filter screen, auxiliary spring and support the frame, wash out the filter screen and pass through the hinge mount in the open slot, the right-hand member of filter screen is installed and is supported the frame and support and wash out the filter screen, wash out the filter screen and support and be connected with auxiliary spring between the frame.
Preferably, the screw thread inner tube include the screens inner tube, rotate wheel and screens piece, the inner wall of screens inner tube is provided with the screw thread, turn left from the right side in the middle part of screens inner tube for the circular structure that expands gradually, the right-hand member outer wall of screens inner tube evenly installs through the round pin axle and rotates the wheel, the left end outer wall of screens inner tube evenly installs the screens piece along its circumference.
Preferably, the rotary interface tube comprises a threaded outer tube, a fixture block and a connecting threaded opening, the fixture block is uniformly arranged on the inner wall of the right end of the threaded outer tube, and the connecting threaded opening is arranged at the left end of the threaded outer tube.
Preferably, sealing mechanism include rotating ring, dead lever, extrusion ring, extrusion arc frame and sealing rubber ring, the rotating ring passes through threaded transmission mode and links to each other with the screw thread urceolus, installs the extrusion ring through the dead lever on the rotating ring, installs the sealing rubber ring on the right-hand member outer wall of screw thread urceolus, installs the extrusion arc frame on the sealing rubber ring, the inclined plane of extrusion arc frame is for turning right the structure that leans out gradually from a left side, and the extrusion ring hugs closely on the outer wall of extrusion arc frame.
Preferably, the inner wall of the left end of the filter cartridge is provided with a circular filter screen, and the outer walls of the left end and the right end of the filter cartridge are provided with two sections of threads.
The invention has the beneficial effects that:
1. the invention has the advantages that the installation and the disassembly can be carried out quickly, the connector tube only needs to be rotated when the connector is connected with an external pipeline, the integral rotation is not needed, the rotating connector tube is provided with the telescopic tube, the position of the rotating connector tube can be controlled during the installation, large particle impurities in liquid are filtered and collected, the pipeline is prevented from being blocked, and the like;
2. the telescopic main pipe is arranged, the position of the rotary interface pipe is controlled by the telescopic of the telescopic pipe, and the rotary interface pipe and the external pipeline are convenient to mount and dismount;
3. the invention is provided with the one-way filter, and the one-way filter filters and collects large particle impurities in the liquid, thereby avoiding the condition of blockage of a pipeline;
4. the invention is provided with the first connecting pipe, and the first connecting pipe only needs to rotate the connector pipe when being connected with the external pipeline, and does not need to rotate integrally.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the main telescopic pipe of the present invention;
FIG. 3 is a schematic structural view of the locking mechanism and the locking frame of the present invention;
FIG. 4 is a schematic view of the construction of the one-way filter of the present invention;
FIG. 5 is a schematic view of the structure between the one-way filter and the adapter tube I of the present invention;
fig. 6 is a cross-sectional view of the invention of fig. 5.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, a check valve that can dismantle fast, is responsible for 1, one-way filter 2, connecting cylinder 3, No. 4 takeovers and No. two takeovers 5 including flexible, flexible left end of being responsible for 1 be provided with one-way filter 2, the left end of one-way filter 2 is provided with No. 4 takeovers, flexible right-hand member of being responsible for 1 is installed connecting cylinder 3, the right-hand member of connecting cylinder 3 is provided with No. 5 takeovers.
The first connecting pipe 4 and the second connecting pipe 5 are identical devices with the same structure and size, the first connecting pipe 4 comprises a threaded inner cylinder 41, a rotary interface pipe 42 and a sealing mechanism 43, the rotary interface pipe 42 is arranged on the outer wall of the threaded inner cylinder 41, the sealing mechanism 43 is installed on the outer wall of the rotary interface pipe 42, the rotary interface pipe 42 rotates to be connected with a pipeline during specific work, then the rotary interface pipe 42 is clamped with the threaded inner cylinder 41, and the sealing mechanism 43 seals gaps between the threaded inner cylinder 41 and the rotary interface pipe 42, so that the installation is facilitated, the rotary interface pipe 42 only needs to rotate when the rotary interface pipe is connected with the pipeline, a check valve does not need to rotate, and the installation and the disassembly are facilitated.
Screw inner tube 41 include screens inner tube 411, rotate wheel 412 and screens piece 413, the inner wall of screens inner tube 411 is provided with the screw thread, the middle part of screens inner tube 411 is turned left from the right side and is the circular structure that expands gradually, the right-hand member outer wall of screens inner tube 411 evenly installs through the round pin axle and rotates wheel 412, the left end outer wall of screens inner tube 411 evenly installs screens piece 413 along its circumference.
The sealing mechanism 43 comprises a rotating ring 431, a fixed rod 432, a pressing ring 433, an extrusion arc frame 434 and a sealing rubber ring 435, the rotating ring 431 is connected with the threaded outer cylinder 421 through a threaded transmission mode, the pressing ring 433 is installed on the rotating ring 431 through the fixed rod 432, the sealing rubber ring 435 is installed on the outer wall of the right end of the threaded outer cylinder 421, the extrusion arc frame 434 is installed on the sealing rubber ring 435, the inclined plane of the extrusion arc frame 434 is of a structure gradually inclining outwards from left to right, and the extrusion ring 433 is tightly attached to the outer wall of the extrusion arc frame 434, when in specific work, after the rotary interface tube 42 is butted with an external pipeline, the rotating ring 431 is rotated, the rotating ring 431 drives the extrusion ring 433 to extrude the extrusion arc frame 434, the extrusion arc frame 434 extrudes the sealing rubber ring 435, and the sealing rubber ring 435 seals a gap between the clamping inner cylinder 411 and the thread outer cylinder 421, so that the sealing performance is improved.
The telescopic main pipe 1 comprises a check valve body 11, two telescopic pipes 12, two fixing rings 13, two sliding columns 14, two in-out plates 15, two clamping mechanisms 16 and two clamping frames 17, the left end and the right end of the check valve body 11 are connected with the two telescopic pipes 12, the outer ends of the telescopic pipes 12 are provided with the fixing rings 13, the inner walls of the fixing rings 13 are provided with threads, the rear ends of the fixing rings 13 are provided with the sliding columns 14, the sliding columns 14 are connected with the in-out plates 15 in a sliding fit mode, the in-out plates 15 are arranged on the check valve body 11, the front ends of the fixing rings 13 are provided with the clamping mechanisms 16, the front ends of the check valve body 11 are provided with the clamping frames 17, when the telescopic main pipe 1 works, the two clamping mechanisms 16 are matched with the two clamping frames 17 to stretch and limit the two telescopic pipes 12, the two sliding columns 14 assist the two, And the second connecting pipe 5 is connected with the pipeline.
The clamping mechanism 16 comprises a fixing frame 161, a limiting plate 162, a connecting rod 163, an adjusting plate 164, a top frame 165, a pressing column 166, a connecting plate 167 and a return spring 168, and empty grooves are uniformly formed in the front end of the fixing frame 161.
Limiting plates 162 are installed in the middle of the empty groove through a pin shaft, connecting plates 167 are installed on the fixing frame 161, the connecting plates 167 are connected with the pressing columns 166 in a sliding fit mode, adjusting plates 164 are installed at the rear ends of the pressing columns 166, return springs 168 are connected between the adjusting plates 164 and the connecting plates 167, connecting rods 163 are installed between the adjusting plates 164 and the limiting plates 162 through hinges, top frames 165 are evenly installed at the front ends of the fixing frame 161, and the top frames 165 abut against the limiting plates 162.
The clamping frame 17 comprises an expansion link 171, an operating frame 172, a limit block 173, a connecting spring 174 and a transverse plate 175, the top end of the expansion link 171 is arranged at the inner side of the transverse plate 175, the outer side of the transverse plate 175 is provided with the operating frame 172, the rear end of the operating frame 172 is provided with the limit block 173 through a pin shaft, the connecting spring 174 is connected between the limit block 173 and the operating frame 172, the operating frame 172 is Z-shaped, the operating frame 172 is provided with an inlet and outlet groove, when the telescopic tube 12 is in specific work, the transverse plate 175 is pressed after the telescopic adjustment, the limit block 173 is contracted into the operating frame 172 to be clamped into the hollow groove under the assistance of the connecting spring 174, the transverse plate 175 is released, the reset limit block 173 and the limit plate are clamped, when the length of the telescopic tube 12 needs to be adjusted, the pressing column 166 is pressed, the adjusting plate 164 drives the connecting rod 163 to move backwards, the connecting, the length of the extension tube 12 is adjustable, and the clamping mechanism 16 is matched with the clamping frame 17 to limit the extension of the extension tube 12.
One-way filter 2 include cartridge filter 21, filter screen 22 and opening towards net 23, filter screen 22 is installed to cartridge filter 21's right-hand member inner wall, filter screen 22 is the round platform structure, filter screen 22's middle part is the open slot, evenly is provided with the opening along its circumference in the open slot and towards net 23, concrete during operation, thoughtlessly there is large granule impurity during liquid flow, when liquid flows through one-way filter 2, wash the opening towards net 23, large granule impurity has stayed in one-way filter 2.
The opening dash net 23 including dashing out filter screen 231, auxiliary spring 232 and support frame 233, dash out filter screen 231 and pass through hinged joint and install in the open slot, the right-hand member of filter screen 22 is installed and is supported frame 233, support frame 233 and support and dash out filter screen 231, dash out filter screen 231 and support and be connected with auxiliary spring 232 between the frame 233, concrete during operation, liquid dashes out and dashes out filter screen 231, large granule impurity is blockked by cartridge filter 21, large granule impurity has stayed between circular filter screen and the filter screen 22, auxiliary spring 232 plays the effect that resets, support frame 233 to play spacing effect to dash out filter screen 231, the opening dashes the filtration of the supplementary large granule impurity of net 23.
The left end inner wall of cartridge filter 21 be provided with circular filter screen, be provided with two sections screws on cartridge filter 21's the left and right sides both ends outer wall, circular filter screen tissue large granule impurity flows.
Two sections of threads are arranged at the left end and the right end of the connecting cylinder 3, and the two sections of threads play a connecting role.
When being connected with external pipeline: a person rotates the connecting screw port 423, the rotating wheel 412 reduces the difficulty of rotation of the screw outer cylinder 421, the connecting screw port 423 is in butt joint with an external pipeline in a screw transmission mode, after the butt joint, the screw outer cylinder 421 is pulled outwards, the clamping block 422 and the clamping block 413 are clamped tightly, after the rotating interface tube 42 is in butt joint with the external pipeline, the rotating ring 431 is rotated, the rotating ring 431 drives the extrusion ring 433 to extrude the extrusion arc frame 434, the extrusion arc frame 434 extrudes the sealing rubber ring 435, and the sealing rubber ring 435 performs sealing treatment on a gap between the clamping inner cylinder 411 and the screw outer cylinder 421;
adjusting the length of the telescopic tube 12: after the two connecting threaded ports 423 are in butt joint with external pipelines at two ends, the length of the telescopic tube 12 is fixed, the transverse plate 175 is pressed, the limiting block 173 is retracted into the operating frame 172 under the assistance of the connecting spring 174 and clamped into the hollow groove, the transverse plate 175 is released, the reset limiting block 173 is clamped with the limiting plate 162, and the length of the telescopic tube 12 is kept unchanged;
after the invention is connected with a pipeline: when the liquid flows, large particle impurities are mixed, the liquid washes away and washes away the filter screen 231, the large particle impurities are blocked by the filter cartridge 21, and the large particle impurities are left between the circular filter screen and the filter screen 22;
when the disassembly is carried out: pressing the compression leg 166, regulating plate 164 drives connecting rod 163 and moves backward, connecting rod 163 drives limiting plate 162 angle modulation, limiting plate 162 no longer blocks limiting block 173, limiting block 173 pops out and keeps away from the dead slot, flexible pipe 12 adjustable length, later, screw outer tube 421 reverse promotion, no longer the chucking between fixture block 422 and the screens piece 413, the connection screw thread mouth 423 is connected in the reverse rotation, connection screw thread mouth 423 is followed external pipeline and is dismantled, afterwards, dismantle alone unidirectional filter 2 and carry out inside decontamination.
To sum up, the work flow solves the problems that the existing check valve needs to rotate to be connected with an external pipeline, the distance left between the pipelines on the two sides is narrow during installation and disassembly, the existing check valve is difficult to install and disassemble, when the existing check valve is used, flowing liquid is difficult to avoid large-particle impurities, the pipeline can be blocked during long-term flowing, the cleaning is difficult, and the like, and achieves the purpose.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a but quick detachable's check valve, includes flexible being responsible for (1), one-way filter (2), connecting cylinder (3), No. one take over (4) and No. two take over (5), its characterized in that: the left end of the telescopic main pipe (1) is provided with a one-way filter (2), the left end of the one-way filter (2) is provided with a first connecting pipe (4), the right end of the telescopic main pipe (1) is provided with a connecting cylinder (3), and the right end of the connecting cylinder (3) is provided with a second connecting pipe (5);
the telescopic main pipe (1) comprises a check valve body (11), two telescopic pipes (12), two fixing rings (13), two sliding columns (14), two in-out plates (15), two clamping mechanisms (16) and two clamping frames (17), the left end and the right end of the check valve body (11) are connected with the two telescopic pipes (12), the fixing rings (13) are installed at the outer ends of the telescopic pipes (12), threads are arranged on the inner walls of the fixing rings (13), the sliding columns (14) are installed at the rear ends of the fixing rings (13), the sliding columns (14) are connected with the in-out plates (15) in a sliding fit mode, the in-out plates (15) are installed on the check valve body (11), the clamping mechanisms (16) are installed at the front ends of the fixing rings (13), and the clamping frames (17) are installed at the front ends of the check valve body;
the clamping mechanism (16) comprises a fixing frame (161), a limiting plate (162), a connecting rod (163), an adjusting plate (164), a top frame (165), a pressing column (166), a connecting plate (167) and a return spring (168), and empty grooves are uniformly formed in the front end of the fixing frame (161);
the middle part of the empty groove is provided with a limiting plate (162) through a pin shaft, a connecting plate (167) is arranged on a fixing frame (161), the connecting plate (167) is connected with a pressing column (166) in a sliding fit mode, the rear end of the pressing column (166) is provided with an adjusting plate (164), a return spring (168) is connected between the adjusting plate (164) and the connecting plate (167), a connecting rod (163) is arranged between the adjusting plate (164) and the limiting plate (162) through a hinge, the front end of the fixing frame (161) is uniformly provided with a top frame (165), and the top frame (165) abuts against the limiting plate (162);
the one-way filter (2) comprises a filter cartridge (21), a filter screen (22) and an opening punching screen (23), wherein the filter screen (22) is installed on the inner wall of the right end of the filter cartridge (21), the filter screen (22) is in a circular truncated cone structure, the middle part of the filter screen (22) is provided with an open slot, and the opening punching screen (23) is uniformly arranged in the open slot along the circumferential direction of the open slot;
the first connecting pipe (4) and the second connecting pipe (5) are the same device with the same structure and size, the first connecting pipe (4) comprises a threaded inner cylinder (41), a rotary interface tube (42) and a sealing mechanism (43), the rotary interface tube (42) is arranged on the outer wall of the threaded inner cylinder (41), and the sealing mechanism (43) is installed on the outer wall of the rotary interface tube (42);
two sections of threads are arranged at the left end and the right end of the connecting cylinder (3);
the threaded inner cylinder (41) comprises a clamping inner cylinder (411), a rotating wheel (412) and clamping blocks (413), threads are arranged on the inner wall of the clamping inner cylinder (411), the middle part of the clamping inner cylinder (411) is of a gradually-expanded circular structure from right to left, the rotating wheel (412) is uniformly installed on the outer wall of the right end of the clamping inner cylinder (411) through a pin shaft, and the clamping blocks (413) are uniformly installed on the outer wall of the left end of the clamping inner cylinder (411) along the circumferential direction of the clamping inner cylinder;
the rotary interface tube (42) comprises a threaded outer cylinder (421), a fixture block (422) and a connecting threaded opening (423), the fixture block (422) is uniformly arranged on the inner wall of the right end of the threaded outer cylinder (421), and the connecting threaded opening (423) is installed at the left end of the threaded outer cylinder (421).
2. A quick disconnect check valve as defined in claim 1 wherein: the clamping frame (17) comprises an expansion rod (171), an operating frame (172), a limiting block (173), a connecting spring (174) and a transverse plate (175), the top end of the expansion rod (171) is installed on the inner side of the transverse plate (175), the operating frame (172) is installed on the outer side of the transverse plate (175), the limiting block (173) is installed at the rear end of the operating frame (172) through a pin shaft, and the connecting spring (174) is connected between the limiting block (173) and the operating frame (172).
3. A quick disconnect check valve as defined in claim 1 wherein: the opening towards net (23) including wash out filter screen (231), auxiliary spring (232) and support frame (233), wash out filter screen (231) and install in the open slot through the hinge, the right-hand member of filter screen (22) is installed and is supported frame (233), supports and supports frame (233) and supports and wash out filter screen (231), wash out filter screen (231) and support and be connected with auxiliary spring (232) between frame (233).
4. A quick disconnect check valve as defined in claim 1 wherein: sealing mechanism (43) include swivel becket (431), dead lever (432), extrusion ring (433), extrusion arc frame (434) and sealing rubber ring (435), swivel becket (431) link to each other through threaded transmission mode and screw thread urceolus (421), extrusion ring (433) are installed through dead lever (432) on swivel becket (431), install sealing rubber ring (435) on the right-hand member outer wall of screw thread urceolus (421), install extrusion arc frame (434) on sealing rubber ring (435), the inclined plane of extrusion arc frame (434) is for turning the structure that leans out gradually from a left side to the right side, and extrusion ring (433) hug closely on the outer wall of extrusion arc frame (434).
5. A quick disconnect check valve as defined in claim 1 wherein: the inner wall of the left end of the filter cartridge (21) is provided with a circular filter screen, and the outer walls of the left end and the right end of the filter cartridge (21) are provided with two sections of threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067177.6A CN109798406B (en) | 2019-01-24 | 2019-01-24 | Check valve capable of being rapidly disassembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067177.6A CN109798406B (en) | 2019-01-24 | 2019-01-24 | Check valve capable of being rapidly disassembled |
Publications (2)
| Publication Number | Publication Date |
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| CN109798406A CN109798406A (en) | 2019-05-24 |
| CN109798406B true CN109798406B (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910067177.6A Active CN109798406B (en) | 2019-01-24 | 2019-01-24 | Check valve capable of being rapidly disassembled |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU222128U1 (en) * | 2023-09-28 | 2023-12-12 | Общество с ограниченной ответственностью "ГАЗПРОМ ТРАНСГАЗ НИЖНИЙ НОВГОРОД" | Clamp for dismantling the tap DN50 |
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| CN110671575B (en) * | 2019-08-30 | 2020-08-18 | 南京唐壹信息科技有限公司 | Emergency sewage treatment pipeline with detachable double heads |
| CN111692440A (en) * | 2020-07-03 | 2020-09-22 | 中国人民解放军32382部队 | Oil pipe quick connector for external pump station of vehicle hydraulic system |
| CN112228646A (en) * | 2020-11-03 | 2021-01-15 | 崔如福 | Sealed valve |
| CN112503228B (en) * | 2020-12-03 | 2022-03-22 | 艾肯（江苏）工业技术有限公司 | Gate valve |
| CN115013587B (en) * | 2022-08-02 | 2023-01-03 | 浙江轩安居暖通科技有限公司 | Self-operated temperature control valve capable of controlling pressure |
| CN115321711A (en) * | 2022-08-25 | 2022-11-11 | 河南能源化工集团鹤壁煤化工有限公司 | Chemical wastewater treatment and recycling device and using method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6467816B1 (en) * | 2001-08-21 | 2002-10-22 | Huang-Fu Huang | Water pipe joint |
| US20080030026A1 (en) * | 2004-02-09 | 2008-02-07 | Cho Joong-Won | Pipe Coupling System |
| CN106015778A (en) * | 2016-07-22 | 2016-10-12 | 陆子万 | Pipe clamping connection device |
| CN208203701U (en) * | 2018-01-21 | 2018-12-07 | 江苏苏盐阀门机械有限公司 | One kind having filtering function throttle valve |
| CN208074351U (en) * | 2018-03-05 | 2018-11-09 | 广东堭基管道系统有限公司 | A kind of tubing connecting device |
| CN208311734U (en) * | 2018-05-18 | 2019-01-01 | 绍兴炫通流体连接件制造有限公司 | A kind of fluid circuit changing-over head |
| CN108758137A (en) * | 2018-08-29 | 2018-11-06 | 镇江市德利克真空设备科技有限公司 | A kind of safety self-locking quick joint |
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2019
- 2019-01-24 CN CN201910067177.6A patent/CN109798406B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU222128U1 (en) * | 2023-09-28 | 2023-12-12 | Общество с ограниченной ответственностью "ГАЗПРОМ ТРАНСГАЗ НИЖНИЙ НОВГОРОД" | Clamp for dismantling the tap DN50 |
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| Publication number | Publication date |
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| CN109798406A (en) | 2019-05-24 |
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