CN117212507B - Waterproof pump inverted safety check valve - Google Patents
Waterproof pump inverted safety check valve Download PDFInfo
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- CN117212507B CN117212507B CN202311486061.9A CN202311486061A CN117212507B CN 117212507 B CN117212507 B CN 117212507B CN 202311486061 A CN202311486061 A CN 202311486061A CN 117212507 B CN117212507 B CN 117212507B
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- 238000007789 sealing Methods 0.000 abstract description 16
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- 230000008859 change Effects 0.000 abstract description 6
- 239000002609 medium Substances 0.000 description 29
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- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The invention discloses a reverse safety check valve of a waterproof pump, which relates to the field of check valves and comprises a valve body, wherein a water inlet pipe and a water outlet pipe are communicated with the valve body; the valve body is internally provided with a replacement assembly, the replacement assembly comprises a backup valve disc, a moving assembly is arranged in the valve body, the check valve disc and the backup valve disc are both provided with buckling assemblies, and the buckling assemblies can enable the check valve disc to be locked on the moving assembly. Through the replacement to the check valve disc, guarantee that the reserve valve disc continues to carry out the function of closely sealing water in the valve body, guaranteed sealed effect, and need not demolish the valve body and change the check valve disc, need not shut down the change of carrying out the check valve disc, it is more convenient to maintain, changes the check valve disc efficient.
Description
Technical Field
The invention relates to the field of check valves, in particular to a safety check valve for preventing a waterproof pump from reversing.
Background
A check valve is a common valve type, also known as a non-return valve or reversing valve, which is primarily used to control the direction of flow of a liquid or gas in a conduit to prevent reverse flow of the fluid in the conduit, and is typically composed of a valve body, a valve flap, and a spring, the valve flap being typically a disk-like member that is free to move within the valve body. When fluid flows into the valve from one direction, the valve clack is flushed by the fluid and moves along the flow passage of the valve body, and when the fluid stops flowing or begins flowing from the other direction, the valve clack is automatically closed to prevent the fluid from flowing backwards; check valves are widely used in various industries and fields, such as water treatment, petrochemical, pharmaceutical, food processing, etc.; their design and materials depend on the specific application scenario and requirements, and some common types of check valves include ball check valves, butterfly check valves, gate check valves, and the like.
In the pipeline, when the water pump is to the container that has pressure or the higher position transport medium, when the water pump is closed, the pressure that comes from the water pump drive in the pipeline disappears, and the medium flows to the reverse flow that the water pump was carried under the effect of the pressure of container or gravity, and the medium flows backward in the pipeline promptly, and the medium can get into the water pump and drive the water pump and reverse, leads to the water pump to damage easily, and the check valve can block the medium of refluence to reach the purpose that prevents the water pump reverse, protection water pump safety.
Chinese patent application CN110260002a discloses a check valve comprising a valve body having an inlet flow passage, an outlet flow passage and a valve seat, wherein the valve seat is provided with a through-flow hole; the valve cover is fixedly arranged at the upper end of the valve body; a valve flap; a valve stem; a shoulder; a positioning rod; a first spring; a push rod; a second spring; the friction buffer component is free from the pressing force of the friction buffer component when the valve clack is opened, so that the valve clack can be opened quickly, when the valve clack is closed, the closer the valve clack is to the through hole, the larger the pressing force of the friction buffer component to the valve clack is, the slower the downward movement speed of the valve clack is, thereby effectively realizing the buffer effect on the valve clack when the valve clack is closed, ensuring no impact between the valve clack and the valve seat, and effectively prolonging the service lives of the valve clack and the valve seat;
chinese patent application CN114439981a discloses a check valve, including valve body, valve gap, valve clack and valve rod, be equipped with feed liquor passageway, drain channel and valve gap holding chamber in the valve body, the exit end of feed liquor passageway is equipped with the disk seat, a fluid through-hole has been vertically seted up on the disk seat, the bottom of valve gap is vertically fixed with a positioning cylinder, be equipped with a sliding seat in the positioning cylinder, be equipped with the spacing ring on the inner wall of positioning cylinder, be equipped with a piston chamber in the sliding seat, be equipped with a piston in the piston chamber, the balancing hole has been seted up to the top of sliding seat in the upper bottom of piston chamber, valve rod locating hole and micro-hole have been seted up to the bottom of sliding seat in the lower bottom of piston chamber, the lower extreme of valve rod and the top rigid coupling of valve clack, solve the sealing member on the current check valve and cause the valve clack to damage easily, arouse the problem of leaking, propose a not fragile sealing member on the valve clack, increase of service life's check valve.
The above-mentioned patents and prior art also have the following drawbacks:
the sealing valve disc or the valve clack in the valve body is used for a long time, the sealing ring on the valve disc is easy to age, misplace, break and the like, and the valve disc is easy to wear due to action impact, so that the sealing performance of the valve disc is reduced, if the sealing performance of the valve disc is reduced in the use process, the water closing effect is poor, medium backflow can be caused, medium leakage, pollution and even accidents such as water pump inversion occur, after the water closing effect is poor, the valve disc needs to be replaced, the valve disc needs to be detached, the water pump needs to be closed for stopping replacement, the normal conveying function of a pipeline is influenced, the replacement is troublesome, the efficiency is low, the valve disc does not need to be damaged when the pipeline is not used, the water pump is stopped, the water pump is often maintained, but the valve disc is not required to be damaged during maintenance, the replacement can lead to the cost to be poor, and the damage probability of the valve disc is increased.
Accordingly, the present application provides a waterproof pump inverted safety check valve to meet the needs.
Disclosure of Invention
An object of the application is to provide a waterproof pump inverted safety type check valve, through the replacement to the check valve disc, guarantee that the reserve valve disc continues to carry out the function of airtight water in the valve body, guaranteed sealed effect, and need not demolish the valve body and change the check valve disc, need not shut down the change of carrying out the check valve disc, it is more convenient to maintain, changes the check valve disc efficient.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a waterproof pump reverse safety type check valve, includes the valve body, the intercommunication has inlet tube and outlet pipe on the valve body, still be provided with the check valve disc in the valve body, the check valve disc can be switched under open and closed condition, when the check valve disc open condition, medium in the valve body circulates, when the check valve disc closed condition, medium in the valve body stops the circulation;
the valve body is internally provided with a replacement assembly, the replacement assembly comprises a backup valve disc, the valve body is internally provided with a moving assembly, both the check valve disc and the backup valve disc are provided with buckling assemblies, and the buckling assemblies can enable the check valve disc to be locked on the moving assembly, so that the check valve disc can vertically move on the moving assembly to switch between an opening state and a closing state;
the replacement assembly further comprises a lifting unit and a transverse pushing unit, wherein the lifting unit can drive the check valve disc to ascend, and when the lifting unit drives the check valve disc to ascend, the buckling assembly releases locking of the check valve disc; when the lifting unit drives the check valve disc to move to the position of the backup valve disc, the transverse pushing unit can push the backup valve disc to the moving assembly and lock the backup valve disc through the buckling assembly.
Preferably, the moving assembly comprises a fixed cylinder, a moving cylinder and a check spring, the check spring is fixedly arranged between the moving cylinder and the fixed cylinder, the moving cylinder is sleeved in the fixed cylinder and is in sliding fit with the fixed cylinder, a buckling groove is formed in the bottom of the moving cylinder, the buckling assembly comprises a buckling cylinder and a buckling block, and the buckling block is fixedly arranged on the buckling cylinder; the buckling barrel can be inserted into the bottom of the movable barrel, so that the buckling blocks are arranged in the buckling grooves; the buckling cylinder in the buckling component arranged on the check valve disc is fixedly arranged on the check valve disc, and the buckling cylinder in the buckling component arranged on the backup valve disc is fixedly arranged on the backup valve disc.
Preferably, the lifting unit comprises a lifting threaded rod, a lifting plate, a fixing plate and a supporting plate, wherein the fixing plate is fixedly arranged in the moving cylinder, a through hole is formed in the fixing plate, the lifting threaded rod passes through the through hole, the lifting plate is in threaded connection with the lifting threaded rod, the lifting plate is located below the fixing plate, the supporting plate is arranged at the bottom of the lifting threaded rod, a baffle is fixedly arranged on the inner wall, close to the bottom, of the moving cylinder, the fastening cylinder abuts against the baffle when the fastening cylinder is in the moving cylinder, one end of the check spring is fixedly arranged on the supporting plate, and the other end of the check spring is fixedly arranged on the baffle.
Preferably, the buckling assembly further comprises a pushing sliding rod, the pushing sliding rod is fixedly arranged on the buckling block, the moving assembly further comprises a moving guide rail, the moving guide rail is fixedly arranged on a moving cylinder, when the lifting plate drives the moving cylinder to ascend, the buckling cylinder can be separated from the moving cylinder, the buckling cylinder drives the buckling block to be separated from the buckling groove and enter the moving guide rail, and the pushing sliding rod in the buckling assembly arranged on the check valve disc is located in the moving guide rail.
Preferably, the horizontal pushing unit comprises a standby guide rail, a pushing block, a pushing bar and a horizontal pushing threaded rod, wherein a pushing sliding bar arranged in a buckling component on the standby valve disc is positioned in the standby guide rail, the pushing block is in threaded connection with the horizontal pushing threaded rod, the pushing bar is fixedly arranged on the pushing block, and when the horizontal pushing threaded rod rotates, the pushing block pushes the pushing bar to move in the standby guide rail, and the pushing bar pushes the pushing sliding bar in the standby guide rail to move.
Preferably, a storage guide rail is further arranged in the valve body, and the standby guide rail and the storage guide rail are respectively positioned at two sides of the movable guide rail; still be provided with two sets of subassemblies that block in the valve body, two sets of block the subassembly all includes fixed block, mount and holds out the board, fixed block fixed mounting is in on the lifting plate, mount fixed mounting is in on the fixed block, hold out the board fixed mounting is in on the mount, one of them hold out the board with reserve guide rail offsets, another hold out the board with deposit the guide rail offsets, the movable cylinder corresponds the fixed block position has seted up the movable chute, the fixed cylinder corresponds the fixed chute has been seted up to the fixed block position, the fixed block passes movable chute and fixed chute setting.
Preferably, the valve body comprises an upper valve body and a lower valve body, the upper valve body is connected with the lower valve body through bolts, the upper valve body is in sealing arrangement with the lower valve body, the water inlet pipe and the water outlet pipe are fixedly communicated with the lower valve body, the fixed cylinder is fixedly installed on the upper valve body, the standby guide rail and the storage guide rail are fixedly installed on the upper valve body, and the water inlet pipe is located at the end part of the valve body and is fixedly provided with a check valve seat.
Preferably, the inner top of the upper valve body is fixedly provided with a limiting slide bar, the top of the limiting slide bar is fixedly arranged on the supporting plate, the lifting threaded rod is rotationally connected on the supporting plate, a slide hole is formed in the lifting plate corresponding to the position of the limiting slide bar, and the limiting slide bar penetrates through the slide hole and is in sliding fit with the lifting plate.
Preferably, the top of promotion threaded rod runs through go up the valve body and rotate with last valve body and be connected, the top fixed mounting of promotion threaded rod has the hexagonal pivoted piece, the cross recess has been seted up on the hexagonal pivoted piece, the one end of horizontal push threaded rod runs through go up the valve body and rotate with last valve body and be connected, the one end fixed mounting of horizontal push threaded rod has anti-skidding pivoted piece, anti-skidding groove has been seted up on the anti-skidding pivoted piece.
Preferably, the end parts of the water inlet pipe and the water outlet pipe are fixedly provided with flange plates.
In summary, the invention has the technical effects and advantages that:
1. according to the invention, when a medium enters the valve body through the water inlet pipe, the check valve disc is in an open state, when the medium enters the valve body through the water outlet pipe, the check valve disc is switched to a closed state, the medium is blocked, the effect of unidirectional medium passing is achieved, the reverse rotation of the water pump caused by the reverse flow of the medium is prevented, the water pump is prevented from being damaged, when the check valve disc is worn, the sealing performance is reduced, the water closing effect is poor, the check valve disc is driven to ascend and unlock, the backup valve disc is enabled to replace the check valve disc through the translation of the backup valve disc and the check valve disc through the transverse pushing unit, the backup valve disc is locked, the replacement of the check valve disc is completed, the function of continuously sealing water in the valve body is guaranteed, the sealing effect is guaranteed, the check valve disc is not required to be removed for replacement of the check valve disc, the maintenance is more convenient, and the replacement of the check valve disc is high in efficiency;
2. according to the invention, when the water pump is in operation, the check valve disc is replaced by the spare valve disc through the replacement assembly, at the moment, the inside of the valve body is in a medium passing state, the check valve disc does not need to be subjected to water closing action, and the replacement of the check valve disc cannot cause influence, so that the purpose of replacing the check valve disc without stopping is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of a valve body, a water inlet pipe, a water outlet pipe and a flange plate in the invention;
FIG. 2 is a schematic view of the structure of the moving assembly, the replacing assembly, the water inlet pipe and the water outlet pipe according to the present invention;
FIG. 3 is a schematic view of the structure of the water inlet pipe and the water outlet pipe in the invention;
FIG. 4 is an enlarged schematic view of the portion A of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the structure of the lifting unit and the horizontal pushing unit according to the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 5 in accordance with the present invention;
FIG. 7 is an enlarged view of portion C of FIG. 5 in accordance with the present invention;
FIG. 8 is a schematic view of the valve body, inlet pipe, outlet pipe and backup valve disc of the present invention;
FIG. 9 is an enlarged view of portion D of FIG. 8 in accordance with the present invention;
fig. 10 is a schematic structural view of the upper and lower valve bodies of the present invention.
In the figure: 1. a valve body; 111. an upper valve body; 112. a lower valve body; 2. a water inlet pipe; 3. a water outlet pipe; 4. check valve disc; 5. a moving assembly; 51. a fixed cylinder; 52. a moving cylinder; 53. a check spring; 54. a moving guide rail; 6. replacing the assembly; 61. a backup valve disc; 62. a lifting unit; 621. lifting the threaded rod; 622. a lifting plate; 623. a fixing plate; 624. a support plate; 63. a horizontal pushing unit; 631. a standby guide rail; 632. a pushing block; 633. pushing the strip; 634. pushing the threaded rod horizontally; 7. a buckling component; 71. a buckling barrel; 72. a buckling block; 73. pushing the slide bar; 8. a blocking assembly; 81. a fixed block; 82. a fixing frame; 83. a retaining plate; 9. storing the guide rail; 10. a check valve seat; 11. a limit slide bar; 12. a hexagonal rotating block; 13. an anti-slip rotating block; 14. and a flange plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to fig. 1-10, the inverted safety check valve of the waterproof pump comprises a valve body 1, wherein a water inlet pipe 2 and a water outlet pipe 3 are communicated with the valve body 1, a check valve disc 4 is further arranged in the valve body 1, the check valve disc 4 can be switched between an open state and a closed state, when the check valve disc 4 is in an open state, media in the valve body 1 circulate, and when the check valve disc 4 is in a closed state, the media in the valve body 1 stops circulating;
the valve body 1 is internally provided with a replacement assembly 6, the replacement assembly 6 comprises a backup valve disc 61, the valve body 1 is internally provided with a moving assembly 5, both the check valve disc 4 and the backup valve disc 61 are provided with buckling assemblies 7, and the buckling assemblies 7 can lock the check valve disc 4 on the moving assembly 5, so that the check valve disc 4 can vertically move on the moving assembly 5 to switch between an open state and a closed state;
the replacement assembly 6 further comprises a lifting unit 62 and a transverse pushing unit 63, the lifting unit 62 can drive the check valve disc 4 to ascend, and when the lifting unit 62 drives the check valve disc 4 to ascend, the buckling assembly 7 releases the locking of the check valve disc 4; when the lifting unit 62 drives the check valve disc 4 to move to the position of the backup valve disc 61, the transverse pushing unit 63 can push the backup valve disc 61 onto the moving assembly 5 and lock the backup valve disc by the buckling assembly 7.
Rubber rings for sealing are provided on both the check valve disk 4 and the reserve valve disk 61.
Connecting the water inlet pipe 2 and the water outlet pipe 3 in a pipeline, enabling a medium in the pipeline to enter the valve body 1 through the water inlet pipe 2 and flow out of the water outlet pipe 3, enabling the check valve disc 4 to be in an open state when the medium enters the valve body 1 through the water inlet pipe 2, enabling the medium to pass through the valve body 1, enabling the check valve disc 4 to be in a closed state when the medium enters the valve body 1 through the water outlet pipe 3, and blocking the medium; when the check valve disc 4 is lowered by the abrasion seal, the lifting unit 62 drives the check valve disc 4 to ascend, in the ascending process, the buckling component 7 releases the locking of the check valve disc 4, the check valve disc 4 can move on the moving component 5, the check valve disc 4 ascends to the position of the backup valve disc 61, the transverse pushing unit 63 pushes the backup valve disc 61 to translate, the backup valve disc 61 pushes the check valve disc 4 to translate, the backup valve disc 61 moves to the position of the moving component 5, the lifting unit 62 drives the backup valve disc 61 to descend, and when the backup valve disc 61 descends to a closed state, the buckling component 7 locks the backup valve disc 61 on the moving component 5.
When the medium gets into valve body 1 through inlet tube 2, check valve disc 4 is the open condition, when the medium gets into valve body 1 through outlet pipe 3, check valve disc 4 switches into the closed condition, with the medium blocking, reach the effect that the medium one-way passed, prevent when the water pump is closed after, the medium refluence leads to the water pump reversal, protect the water pump not damaged, receive wearing and tearing when check valve disc 4, sealing performance descends, when leading to closing water effect poor, rise and release the locking to check valve disc 4 through driving check valve disc 4, translate reserve valve disc 61 and check valve disc 4 through horizontal pushing unit 63, make reserve valve disc 61 replace check valve disc 4, later lock reserve valve disc 61, accomplish the replacement to check valve disc 4, guarantee reserve valve disc 61 and continue to carry out the function of closely sealing water in valve body 1, the sealed effect has been guaranteed, and need not demolish valve body 1 and change check valve disc 4 need not shut down, it is more convenient to maintain, change check valve disc 4 efficiency.
When the water pump is in operation, the check valve disc 4 is replaced by the spare valve disc 61 through the replacement assembly 6, the valve body 1 is in a medium passing state, the check valve disc 4 does not need to be closed, the replacement of the check valve disc 4 cannot be influenced, and therefore the purpose of replacing the check valve disc 4 without stopping is achieved.
Further, referring to fig. 1 to 10, the moving assembly 5 includes a fixed cylinder 51, a moving cylinder 52 and a check spring 53, the check spring 53 is fixedly installed between the moving cylinder 52 and the fixed cylinder 51, the moving cylinder 52 is sleeved in the fixed cylinder 51 and is in sliding fit with the fixed cylinder 51, a buckling groove is formed in the bottom of the moving cylinder 52, the buckling assembly 7 includes a buckling cylinder 71 and a buckling block 72, and the buckling block 72 is fixedly installed on the buckling cylinder 71; the buckling cylinder 71 can be inserted into the bottom of the moving cylinder 52, so that the buckling block 72 is arranged in the buckling groove; the engagement cylinder 71 in the engagement assembly 7 provided on the check valve disk 4 is fixedly mounted on the check valve disk 4, and the engagement cylinder 71 in the engagement assembly 7 provided on the backup valve disk 61 is fixedly mounted on the backup valve disk 61.
When a medium enters the valve body 1 through the water inlet pipe 2, the medium pushes the check valve disc 4 to ascend, the check valve disc 4 drives the movable cylinder 52 to ascend, the movable cylinder 52 moves on the fixed cylinder 51, the movable cylinder 52 presses the check spring 53, the check valve disc 4 is switched to an open state, when the water pressure of the medium is insufficient to push the check spring 53 to shrink, the check spring 53 pushes the movable cylinder 52 to descend, the movable cylinder 52 drives the check valve body 1 to descend, the check valve body 1 is switched to a closed state, the valve body 1 is sealed, and the medium is prevented from flowing backwards.
Further, referring to fig. 1 to 10, the lifting unit 62 includes a lifting threaded rod 621, a lifting plate 622, a fixing plate 623 and a supporting plate 624, the fixing plate 623 is fixedly installed in the moving drum 52, a through hole is formed in the fixing plate 623, the lifting threaded rod 621 passes through the through hole, the lifting plate 622 is in threaded connection with the lifting threaded rod 621, the lifting plate 622 is located below the fixing plate 623, the supporting plate 624 is installed at the bottom of the lifting threaded rod 621, a baffle is fixedly installed on the inner wall of the moving drum 52 near the bottom, when the buckling drum 71 is conveyed into the moving drum 52, the buckling drum 71 is abutted against the baffle, one end of the check spring 53 is fixedly installed on the supporting plate 624, and the other end of the check spring 53 is fixedly installed on the baffle, and when the lifting threaded rod 621 rotates, the lifting plate 622 can drive the moving drum 52 to ascend.
When the check valve disc 4 needs to be replaced, the lifting threaded rod 621 is rotated, the lifting plate 622 moves on the lifting threaded rod 621, the lifting plate 622 moves to be propped against the fixed plate 623 and drives the fixed plate 623 to move upwards, the fixed plate 623 drives the moving cylinder 52 to move upwards, the moving cylinder 52 drives the check valve disc 4 to move upwards, the moving cylinder 52 drives the baffle to move, and the baffle drives one end of the check spring 53 to move, so that the check spring 53 contracts.
Further, referring to fig. 1-10, the buckling assembly 7 further includes a pushing sliding rod 73, the pushing sliding rod 73 is fixedly mounted on the buckling block 72, the moving assembly 5 further includes a moving guide rail 54, the moving guide rail 54 is fixedly mounted on the moving cylinder 52, when the lifting plate 622 drives the moving cylinder 52 to ascend, the buckling cylinder 71 can be separated from the moving cylinder 52, the buckling cylinder 71 drives the buckling block 72 to separate from the buckling groove and enter into the moving guide rail 54, and the pushing sliding rod 73 in the buckling assembly 7 arranged on the check valve disc 4 is located in the moving guide rail 54.
When the lifting unit 62 drives the moving cylinder 52 to rise, the check valve disc 4 descends under the action of gravity, the check valve disc 4 drives the buckling cylinder 71, the buckling block 72 and the pushing slide bar 73 to move, the buckling block 72 is separated from the buckling groove, the pushing slide bar 73 moves to prop against the bottom of the moving guide rail 54, the buckling cylinder 71 is separated from the moving cylinder 52, and the check valve disc 4 is unlocked and can translate in the moving guide rail 54.
Further, referring to fig. 1 to 10, the lateral pushing unit 63 includes a standby guide rail 631, a pushing block 632, a pushing bar 633 and a lateral pushing threaded rod 634, the pushing slide bar 73 of the snap assembly 7 provided on the standby valve disc 61 is located in the standby guide rail 631, the pushing block 632 is screwed on the lateral pushing threaded rod 634, the pushing bar 633 is fixedly installed on the pushing block 632, and when the lateral pushing threaded rod 634 rotates, the pushing block 632 pushes the pushing bar 633 to move in the standby guide rail 631, and the pushing bar 633 pushes the pushing slide bar 73 in the standby guide rail 631 to move.
When the lifting unit 62 drives the check valve disc 4 to rise to the position corresponding to the backup valve disc 61, the transverse pushing threaded rod 634 is rotated, the pushing block 632 moves on the transverse pushing threaded rod 634, the pushing block 632 drives the pushing bar 633 to move, the pushing bar 633 drives the pushing slide bar 73 to move, the pushing slide bar 73 drives the backup valve disc 61 to translate, the backup valve disc 61 removes the check valve disc 4, the backup valve disc 61 moves to the position of the moving cylinder 52, the lifting unit 62 releases the lifting plate 622, the moving cylinder 52 descends under the action of the check spring 53, the moving cylinder 52 is sleeved on the buckling cylinder 71, and the buckling block 72 enters the buckling groove to lock the backup valve disc 61.
Further, referring to fig. 1 to 10, a storage rail 9 is further disposed in the valve body 1, and the standby rail 631 and the storage rail 9 are respectively located at two sides of the moving rail 54; still be provided with two sets of blocking assembly 8 in the valve body 1, two sets of blocking assembly 8 all include fixed block 81, mount 82 and keep out the board 83, fixed block 81 fixed mounting is on lifting plate 622, mount 82 fixed mounting is on fixed block 81, keep out the board 83 fixed mounting on mount 82, one of them keep out the board 83 and offset with reserve guide rail 631, another keep out the board 83 and offset with depositing guide rail 9, the removal spout has been seted up to the fixed block 81 position that removes section of thick bamboo 52 corresponds, the fixed spout has been seted up to the fixed cylinder 51 position that corresponds to fixed block 81, fixed block 81 passes and removes spout and fixed spout setting.
The backup valve disc 61 is arranged in the backup guide rail 631, after the backup valve disc 61 moves to the position of the moving cylinder 52, the backup valve disc 61 pushes the backup valve disc 4 into the storage guide rail 9, when the backup valve disc 4 does not need to be replaced, the backup valve disc 4 rises under the impact of media, the buckling block 72 in the buckling assembly 7 is always positioned in the buckling groove, the locking of the backup valve disc 4 is kept, the backup valve disc 4 is unlocked only when the moving cylinder 52 is driven to rise by the lifting unit 62, meanwhile, when the backup valve disc 4 is pushed to rise by media, the end parts of the backup guide rail 631 and the storage guide rail 9 are blocked by the abutting plate 83, the backup valve disc 61 in the backup guide rail 631 is prevented from being separated, when the lifting unit 62 drives the backup valve disc 4 to rise, the lifting plate 622 drives the fixed block 81 to rise, the fixed block 82 drives the abutting plate 83 to rise, the abutting plate 83 releases the blocking of the backup guide rail 631 and the storage guide rail 9, the moving guide rail 54 is abutted with the backup guide rail 631, and the corresponding pushing slide bar 73 on the backup valve disc 61 moves into the moving guide rail 54 through the backup guide rail 631.
Further, referring to fig. 1 to 10, the valve body 1 includes an upper valve body 111 and a lower valve body 112, the upper valve body 111 and the lower valve body 112 are connected by bolts, the upper valve body 111 and the lower valve body 112 are hermetically arranged, the water inlet pipe 2 and the water outlet pipe 3 are fixedly communicated with the lower valve body 112, the fixed cylinder 51 is fixedly installed on the upper valve body 111, the standby guide rail 631 and the storage guide rail 9 are fixedly installed on the upper valve body 111, and the end part of the water inlet pipe 2 positioned in the valve body 1 is fixedly installed with the check valve seat 10.
When the pipeline and the valve are maintained, the damaged check valve disc 4 is removed from the storage guide rail 9 by removing the upper valve body 111, specifically, the standby valve body 1 in the moving guide rail 54 is driven to ascend firstly, the standby valve body 1 is unlocked, the standby valve body 1 is removed from the moving guide rail 54, then the moving guide rail 54 is ascended to the position of the storage guide rail 9, the check valve body 1 in the storage guide rail 9 is moved into the moving guide rail 54, then the moving guide rail 54 is descended, the check valve body 1 in the moving guide rail 54 is removed, and similarly, a new standby valve disc 61 is put into the standby guide rail 631, and when the check valve disc 4 and the standby valve disc 61 are descended to the position of the check valve seat 10 to be abutted, the valve body 1 is sealed.
When the check valve disc 4 abuts against the check valve seat 10, the check valve disc 4 is in a closed state, and when the check valve disc 4 is disengaged from the check valve seat 10, the check valve disc 4 is in an open state.
Further, referring to fig. 1-10, a limit slide bar 11 is fixedly installed at the inner top of the upper valve body 111, the top of the limit slide bar 11 is fixedly installed on a support plate 624, a lifting threaded rod 621 is rotatably connected on the support plate 624, a slide hole is formed in the lifting plate 622 corresponding to the position of the limit slide bar 11, and the limit slide bar 11 penetrates through the slide hole and is in sliding fit with the lifting plate 622.
The spacing slide bar 11 is spacing to the lift plate 622, makes lift plate 622 more firm, is difficult for rocking, and spacing slide bar 11 is fixed backup pad 624 simultaneously, improves the stability of backup pad 624.
Further, referring to fig. 1-10, the top of the lifting threaded rod 621 penetrates through the upper valve body 111 and is rotationally connected with the upper valve body 111, a hexagonal rotating block 12 is fixedly installed at the top of the lifting threaded rod 621, a cross groove is formed in the hexagonal rotating block 12, one end of a transverse pushing threaded rod 634 penetrates through the upper valve body 111 and is rotationally connected with the upper valve body 111, an anti-slip rotating block 13 is fixedly installed at one end of the transverse pushing threaded rod 634, and an anti-slip groove is formed in the anti-slip rotating block 13.
The lifting threaded rod 621 is rotated by rotating the hexagonal rotating block 12, the transverse pushing threaded rod 634 is rotated by the anti-sliding rotating block 13, the operation is more convenient, and the lifting threaded rod 621 and the transverse pushing threaded rod 634 are sealed with the upper valve body 111 through sealing bearings, so that the tightness of the valve body 1 is ensured.
Further, referring to fig. 1 to 10, flange plates 14 are fixedly installed at the ends of the water inlet pipe 2 and the water outlet pipe 3.
The water inlet pipe 2 and the water outlet pipe 3 are arranged in the pipeline through the flange plate 14, so that the sealing is more convenient and better.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and 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 modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (5)
1. The utility model provides a waterproof pump inverted safety type check valve, includes valve body (1), the intercommunication has inlet tube (2) and outlet pipe (3), its characterized in that on valve body (1): a check valve disc (4) is further arranged in the valve body (1), the check valve disc (4) can be switched between an open state and a closed state, when the check valve disc (4) is in the open state, medium in the valve body (1) circulates, and when the check valve disc (4) is in the closed state, the medium in the valve body (1) stops circulating;
a replacement assembly (6) is arranged in the valve body (1), the replacement assembly (6) comprises a backup valve disc (61), a moving assembly (5) is arranged in the valve body (1), buckling assemblies (7) are arranged on the check valve disc (4) and the backup valve disc (61), and the buckling assemblies (7) can enable the check valve disc (4) to be locked on the moving assembly (5), so that the check valve disc (4) can vertically move on the moving assembly (5) to switch between an open state and a closed state;
the replacement assembly (6) further comprises a lifting unit (62) and a transverse pushing unit (63), the lifting unit (62) can drive the check valve disc (4) to ascend, and when the lifting unit (62) drives the check valve disc (4) to ascend, the buckling assembly (7) releases locking of the check valve disc (4); when the lifting unit (62) drives the check valve disc (4) to move to the position of the reserve valve disc (61), the transverse pushing unit (63) can push the reserve valve disc (61) to the moving assembly (5) and lock the reserve valve disc by the buckling assembly (7);
the movable assembly (5) comprises a fixed cylinder (51), a movable cylinder (52) and a check spring (53), the check spring (53) is fixedly arranged between the movable cylinder (52) and the fixed cylinder (51), the movable cylinder (52) is sleeved in the fixed cylinder (51) and is in sliding fit with the fixed cylinder (51), a buckling groove is formed in the bottom of the movable cylinder (52), the buckling assembly (7) comprises a buckling cylinder (71) and a buckling block (72), and the buckling block (72) is fixedly arranged on the buckling cylinder (71); the buckling cylinder (71) can be inserted into the bottom of the moving cylinder (52) so that the buckling blocks (72) are arranged in the buckling grooves; a buckling cylinder (71) in a buckling component (7) arranged on the check valve disc (4) is fixedly arranged on the check valve disc (4), and a buckling cylinder (71) in a buckling component (7) arranged on the backup valve disc (61) is fixedly arranged on the backup valve disc (61);
the lifting unit (62) comprises a lifting threaded rod (621), a lifting plate (622), a fixing plate (623) and a supporting plate (624), wherein the fixing plate (623) is fixedly installed in the moving barrel (52), a through hole is formed in the fixing plate (623), the lifting threaded rod (621) passes through the through hole, the lifting plate (622) is in threaded connection with the lifting threaded rod (621), the lifting plate (622) is located below the fixing plate (623) and is arranged, the supporting plate (624) is installed at the bottom of the lifting threaded rod (621), a baffle is fixedly installed on the inner wall, close to the bottom, of the moving barrel (52), when the buckling barrel (71) is conveyed into the moving barrel (52), the buckling barrel (71) abuts against the baffle, one end of the check spring (53) is fixedly installed on the supporting plate (624), and the other end of the check spring (53) is fixedly installed on the baffle, and when the lifting threaded rod (622) rotates, the lifting plate (622) can drive the moving barrel (52) to lift.
The buckling component (7) further comprises a pushing sliding rod (73), the pushing sliding rod (73) is fixedly arranged on the buckling block (72), the moving component (5) further comprises a moving guide rail (54), the moving guide rail (54) is fixedly arranged on the moving cylinder (52), after the lifting plate (622) drives the moving cylinder (52) to ascend, the buckling cylinder (71) can be separated from the moving cylinder (52), the buckling block (72) is driven by the buckling cylinder (71) to be separated from the buckling groove and enter into the moving guide rail (54), and the pushing sliding rod (73) in the buckling component (7) arranged on the check valve disc (4) is positioned in the moving guide rail (54);
the transverse pushing unit (63) comprises a standby guide rail (631), a pushing block (632), a pushing bar (633) and a transverse pushing threaded rod (634), a pushing sliding bar (73) arranged in a buckling component (7) on the standby valve disc (61) is positioned in the standby guide rail (631), the pushing block (632) is in threaded connection with the transverse pushing threaded rod (634), the pushing bar (633) is fixedly arranged on the pushing block (632), and when the transverse pushing threaded rod (634) rotates, the pushing block (632) pushes the pushing bar (633) to move in the standby guide rail (631), and the pushing bar (73) in the standby guide rail (631) is pushed by the pushing bar (633) to move;
a storage guide rail (9) is further arranged in the valve body (1), and the standby guide rail (631) and the storage guide rail (9) are respectively positioned at two sides of the movable guide rail (54); still be provided with two sets of blocking assembly (8) in valve body (1), two sets of blocking assembly (8) all include fixed block (81), mount (82) and keep out board (83), fixed block (81) fixed mounting is in on lifting plate (622), mount (82) fixed mounting is in on fixed block (81), keep out board (83) fixed mounting is in on mount (82), one of them keep out board (83) with reserve guide rail (631) offset, another keep out board (83) with deposit guide rail (9) offset, moving barrel (52) correspond fixed block (81) position has seted up the removal spout, fixed barrel (51) correspond fixed block (81) position has seted up fixed spout, fixed block (81) pass and move spout and fixed spout setting.
2. A waterproof pump inverted safety check valve according to claim 1, wherein: the valve body (1) comprises an upper valve body (111) and a lower valve body (112), the upper valve body (111) is connected with the lower valve body (112) through bolts, the upper valve body (111) is sealed with the lower valve body (112), the water inlet pipe (2) and the water outlet pipe (3) are fixedly communicated with the lower valve body (112), the fixed cylinder (51) is fixedly arranged on the upper valve body (111), the standby guide rail (631) and the storage guide rail (9) are fixedly arranged on the upper valve body (111), and the water inlet pipe (2) is positioned at the end part of the valve body (1) and fixedly provided with a check valve seat (10).
3. A waterproof pump inverted safety check valve according to claim 2, wherein: the utility model discloses a valve body, including valve body (111) and lift threaded rod (621), interior top fixed mounting of last valve body (111) has spacing slide bar (11), the top fixed mounting of spacing slide bar (11) is in backup pad (624), lift threaded rod (621) rotate connect in backup pad (624), the slide hole has been seted up corresponding on lift plate (622) spacing slide bar (11) position, spacing slide bar (11) run through the slide hole and with lift plate (622) sliding fit.
4. A waterproof pump inverted safety check valve according to claim 3, wherein: the top of promotion threaded rod (621) runs through go up valve body (111) and rotate with last valve body (111) and be connected, the top fixed mounting of promotion threaded rod (621) has hexagonal pivoted block (12), set up the cross groove on hexagonal pivoted block (12), the one end of horizontal push threaded rod (634) runs through go up valve body (111) and rotate with last valve body (111) and be connected, the one end fixed mounting of horizontal push threaded rod (634) has antiskid pivoted block (13), antiskid groove has been seted up on antiskid pivoted block (13).
5. A waterproof pump inverted safety check valve according to claim 1, wherein: the end parts of the water inlet pipe (2) and the water outlet pipe (3) are fixedly provided with flange plates (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311486061.9A CN117212507B (en) | 2023-11-09 | 2023-11-09 | Waterproof pump inverted safety check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311486061.9A CN117212507B (en) | 2023-11-09 | 2023-11-09 | Waterproof pump inverted safety check valve |
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| Publication Number | Publication Date |
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| CN117212507A CN117212507A (en) | 2023-12-12 |
| CN117212507B true CN117212507B (en) | 2024-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311486061.9A Active CN117212507B (en) | 2023-11-09 | 2023-11-09 | Waterproof pump inverted safety check valve |
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| KR20160072556A (en) * | 2014-12-15 | 2016-06-23 | 동아대학교 산학협력단 | Stopper Check Valve |
| CN209688181U (en) * | 2019-04-22 | 2019-11-26 | 浙江进源阀门有限公司 | A kind of flange lift check valve |
| CN110805708A (en) * | 2019-11-16 | 2020-02-18 | 徐国华 | Diaphragm type stop valve |
| CN212536792U (en) * | 2020-07-13 | 2021-02-12 | 浙江博大阀门有限公司 | Check valve |
| CN213393693U (en) * | 2020-09-15 | 2021-06-08 | 天津市金蝶阀门制造有限公司 | Anti-theft check valve |
| CN113606367A (en) * | 2021-06-30 | 2021-11-05 | 营先好 | Integrated form check valves |
| CN219062540U (en) * | 2022-12-07 | 2023-05-23 | 上海长成自控设备有限公司 | Check valve with pressure relief function |
-
2023
- 2023-11-09 CN CN202311486061.9A patent/CN117212507B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160072556A (en) * | 2014-12-15 | 2016-06-23 | 동아대학교 산학협력단 | Stopper Check Valve |
| CN209688181U (en) * | 2019-04-22 | 2019-11-26 | 浙江进源阀门有限公司 | A kind of flange lift check valve |
| CN110805708A (en) * | 2019-11-16 | 2020-02-18 | 徐国华 | Diaphragm type stop valve |
| CN212536792U (en) * | 2020-07-13 | 2021-02-12 | 浙江博大阀门有限公司 | Check valve |
| CN213393693U (en) * | 2020-09-15 | 2021-06-08 | 天津市金蝶阀门制造有限公司 | Anti-theft check valve |
| CN113606367A (en) * | 2021-06-30 | 2021-11-05 | 营先好 | Integrated form check valves |
| CN219062540U (en) * | 2022-12-07 | 2023-05-23 | 上海长成自控设备有限公司 | Check valve with pressure relief function |
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| Publication number | Publication date |
|---|---|
| CN117212507A (en) | 2023-12-12 |
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