CN116255497B - Anti-blocking sealing structure based on double float valves - Google Patents

Anti-blocking sealing structure based on double float valves Download PDF

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Publication number
CN116255497B
CN116255497B CN202310236827.1A CN202310236827A CN116255497B CN 116255497 B CN116255497 B CN 116255497B CN 202310236827 A CN202310236827 A CN 202310236827A CN 116255497 B CN116255497 B CN 116255497B
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China
Prior art keywords
rod
valve
groove
piston
buffer
Prior art date
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CN202310236827.1A
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Chinese (zh)
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CN116255497A (en
Inventor
郭挺
余天豪
庞华
张永华
曹春雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Wotai Metallurgical Equipment Co ltd
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Jiangsu Wotai Metallurgical Equipment Co ltd
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Priority to CN202310236827.1A priority Critical patent/CN116255497B/en
Publication of CN116255497A publication Critical patent/CN116255497A/en
Application granted granted Critical
Publication of CN116255497B publication Critical patent/CN116255497B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/18Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
    • F16K31/30Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float actuating a gate valve or sliding valve
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D29/00Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B01D35/04Plug, tap, or cock filters filtering elements mounted in or on a faucet
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/045Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30Details
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30Details
    • F16K3/314Forms or constructions of slides; Attachment of the slide to the spindle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K41/00Spindle sealings
    • F16K41/02Spindle sealings with stuffing-box ; Sealing rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K47/00Means in valves for absorbing fluid energy
    • F16K47/01Damping of valve members
    • F16K47/012Damping of valve members by means of a resilient damping element

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Details Of Valves (AREA)

Abstract

The utility model discloses an anti-blocking sealing structure based on a double-float valve, which comprises a valve body, a valve port and a buffer frame, wherein a blocking block is arranged on the inner side of the valve body, a rotating seat is arranged on the outer side of the blocking block, a rotating rod is arranged at the output end of the rotating seat, a lantern ring is arranged on the outer side of the rotating rod, stirring blades are arranged on the outer side of the lantern ring, a connecting plate is arranged at the outer end of the stirring blades, a ramming rod is movably arranged on the inner side of the rotating rod, and a ramming head is arranged at the output end of a mounting head. According to the utility model, the ramming rod is movably arranged on the inner side of the rotating rod, when the double-float valve cannot be used due to the occurrence of blockage or vortex conditions in the valve body, a user pulls the pushing rod to move on the inner side of the movable cavity to drive the ramming rod to reciprocate in the horizontal direction, and the ramming rod drives the ramming head to ramm and dredge the blockage or vortex position in the valve body, so that the blockage of liquid is prevented, and the maintenance intensity of the user is reduced.

Description

Anti-blocking sealing structure based on double float valves
Technical Field
The utility model relates to the technical field of hydraulic valves, in particular to an anti-blocking sealing structure based on a double-float valve.
Background
The float valve is a valve device for controlling water level, and is composed of valve body, valve clack, plug, pressure spring, lever, float, connecting tube and lock parent body.
The sealing structure of the float valve in the prior art has the following defects:
1. patent document CN216430666U discloses a self-aligning sealed venting float valve, "its main structure is: the float assembly comprises an inserting block movably inserted in the installing insertion pipe, and a sealing floating block which is in clearance fit with the inserting block and used for blocking the overflow pipe is inserted at the top of the inserting block. According to the self-aligning sealed air-vent float valve provided by the utility model, the sealing float block is in non-rigid connection with the plug-in mounting block, and can swing freely in a certain space range, so that the sealing float block can realize automatic aligning sealing when being contacted with the end part of the overflow pipe, and further the sealing requirement of the air-vent float valve under the working condition of small-amplitude inclined installation is met. The float valve has poor sealing performance, is easy to cause gas leakage, has lower abrasion resistance of the valve seat and shortens the service life of the float valve.
2. Patent document CN208565762U discloses a float valve, "including inlet pipe, nylon filter screen, arc pole, the connecting pipe, the seal groove, the discharge gate, the ball stopper, the centralizer, arc splint, the scraper hole, the doctor blade, a spring, valve rod and flotation pontoon, the inlet pipe is inside to be provided with the nylon filter screen, be provided with the ball stopper inside the connecting pipe, fixation nut one side is provided with the centralizer, the scraper blade is inlayed to the scraper hole inside, the connecting pipe has all been run through with the valve rod with the centralizer middle part, valve rod one end is connected with the flotation pontoon, the utility model uses corrosion-resistant nylon materials to make the connecting pipe, valve rod and flotation pontoon, use glass ball to make the case, have good corrosion resistance, the contact space of kinematic pair is great, and utilize convenient to dismantle's nylon filter screen filtration impurity, be difficult for receiving solid crystallization's influence in the fluid, utilize the arc splint in the centralizer to keep the valve rod vertical state, utilize the doctor blade to strike off the debris that the valve rod attached, the valve rod can normally rise. The float valve filters impurities in liquid only through the filter screen, so that tiny particles easily enter the valve body to cause abrasion to the inner wall, and the particles are accumulated and blocked, so that the good usability of the float valve is reduced.
3. Patent document CN212690832U discloses a liquid level controlled float valve, "comprising a float, a valve body, a valve core, and a connecting assembly, the valve body comprising: the valve barrel, set up in valve barrel top and valve barrel bottom first valve seat and second valve seat separately; the valve core passes through the first valve seat or the second valve seat and can move, and a first valve plate and a second valve plate are respectively arranged at the top end and the bottom end of the valve core; and the connection assembly connects the first valve plate and the float. The float valve for controlling the liquid level has the characteristics of strong tightness and high reliability. When the float valve body is blocked by tiny particles, the blockage inside the valve body cannot be dredged, and the blockage of liquid easily causes the damage of the float valve.
4. The utility model discloses a float valve controlled by liquid level, which comprises a valve body, wherein the side edge of the valve body is provided with a valve port, the side edge of the valve port is provided with a filtering component, the upper end of the valve port is provided with a fixing component, the interior of the valve body is provided with a connecting channel, the upper end of the valve body is provided with a float valve opening and closing component, and the side edge of the float valve opening and closing component is provided with a float. The float valve can not buffer the impact force generated when the piston is reset, and the piston is easy to loosen and damage due to overlarge acting pressure of the piston on the inner wall of the valve body.
Disclosure of Invention
The utility model aims to provide an anti-blocking sealing structure based on a double-float valve, which aims to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-blocking sealing structure based on two float valves, includes valve body, valve port and buffer frame, the valve port is installed in the outside of valve body, the spacer block is installed to the inboard of valve body, the circulation mouth has been seted up in the outside of spacer block, the inside of spacer block is provided with the movable chamber, the mount is installed at the top of valve body, the connecting rod is installed to the inboard of mount, the float is installed at the top of connecting rod, the sliding tray has been seted up in the front of connecting rod, the spacing groove has been seted up in the top of valve body in the penetration way, the sealing washer is installed to the inboard of spacing groove, the sealing chamber is provided with in the outside of spacing groove, the sealing ring is installed to the inboard of sealing chamber, the inboard of sealing chamber is provided with the filler, the movable groove has been seted up in the front of valve body, the push rod is installed in the inboard gomphosis of movable groove, the outside of push rod is provided with the skid resistant course.
The inner side of the limiting groove is movably provided with a movable frame, the front side of the movable frame is provided with a rotating shaft in a penetrating manner, the rotating shaft is matched with the sliding groove to limit the movable frame, the bottom of the movable frame is provided with a piston rod, the bottom end of the piston rod is provided with a piston, the outer side of the piston is provided with an anti-collision block, one side of the blocking block, which is close to the piston, is provided with a buffer frame, the inner wall of the buffer frame is provided with a sliding rod, the outer side of the sliding rod is provided with a sliding block in a jogged manner, the outer side of the sliding rod is sleeved with a buffer spring, one end of the buffer spring is connected with the inner side of the buffer frame, the other end of the buffer spring is connected with the top of the sliding block, the outer side of the sliding block is hinged with a connecting rod, the other end of the connecting rod is provided with a buffer plate, the inner wall of the buffer frame is provided with a buffer groove, the buffer plate is jogged with the inner side of the buffer groove, and the outer side of the buffer plate is provided with a clamping groove, and the clamping groove is matched with the anti-collision block;
the rotary rod is installed in the outside of spacer block, the bull stick is installed to the output of rotating the seat, the lantern ring is installed in the outside of bull stick, the stirring leaf is installed in the outside of lantern ring, the connecting plate is installed to the outer end of stirring leaf, the inboard movable mounting of bull stick has the tamper pole, and the output of push rod runs through the inboard in movable chamber and is connected with the input of tamper pole, the installation head is installed to the output of tamper pole, the tamper head is installed to the output of installation head.
Preferably, the mounting groove is formed in the inner side of the valve port, the fixing component is mounted at the top of the valve port, the front surface and the back surface of the valve port are provided with limiting holes in a penetrating mode, the inner side of each limiting hole is provided with a sealing cover in a jogged mode, and the outer side of each sealing cover is provided with a sealing layer.
Preferably, the filter frame body is installed to the inboard gomphosis of mounting groove, and the filter screen is installed to the inboard of filter frame body, and the pull block is installed in the outside of filter frame body, and the removal groove has been seted up to the front and the back of filter frame body, and the movable plate is installed to the inboard gomphosis of removal groove, installs reset spring on the inner wall of removal groove, and reset spring's outer end is connected with the inboard of movable plate, and the stopper is installed in the outside of movable plate, and stopper and spacing hole cooperate.
Preferably, the working steps of the anti-blocking sealing structure are as follows:
s1, mounting a filter frame body before using the double-float valve, pressing a limiting block to enable the limiting block to move inside a moving groove to extrude a reset spring, clamping the filter frame body inside a mounting groove after the limiting block is located inside the moving groove, rotating the filter frame body to enable the limiting block and a limiting hole to be at the same horizontal position, and enabling the limiting block to be clamped inside the limiting hole by the reset spring due to self elasticity, so that stable connection between a valve port and the filter frame body is achieved;
s2, installing the valve body in a using box body, filtering impurities and large-particle substances in circulating liquid by a filter screen, enabling the filtered liquid to flow into the valve body through the filter screen, enabling the liquid to generate buoyancy to the floater when the liquid level in the box body reaches a certain height, enabling the floater to move to drive the connecting rod to move so that the movable frame slides on the inner side of the sliding groove to drive the piston rod to lift, enabling the piston rod to drive the piston to be separated from the circulating port, and enabling the liquid to flow out of the circulating port of the valve body;
s3, under the impact of liquid, the rotating seat rotates to drive the rotating rod to rotate so that the stirring plate blades rotate to dredge the blocked fine particles in the valve body, the connecting plate improves the dredging effect of the particles, when the double-float valve cannot be used due to the internal blocking or vortex situation, a user pulls the pushing rod to move on the inner side of the movable cavity to drive the tamping rod to reciprocate in the horizontal direction, and the tamping rod drives the tamping head to dredge the blocked or vortex position in the valve body;
s4, after liquid flows out from the circulation port of the valve body, the floater descends to enable the piston rod to drive the piston to reset to seal the circulation port, the anti-collision block on the outer side of the piston is clamped on the inner side of the clamping groove to be in contact with the buffer plate when reset, the buffer frame buffers impact force generated when the piston resets, and the sealing effect of the piston on the circulation port is guaranteed.
Preferably, in the step S2, the method further includes the following steps:
s21, friction between the piston rod and the limiting groove is reduced by the sealing cavity, torque in the opening and closing process of the piston rod is reduced, the filling material supplements the worn part by itself, and the sealing effect of the sealing cavity on the piston rod is ensured by the sealing ring and the sealing block;
in the step S4, the method further includes the following steps:
s41, the buffer plate moves at the inner side of the buffer groove, and pushes the connecting rod when the buffer plate moves, so that the connecting rod drives the sliding block to move on the sliding rod to squeeze buffer springs at two ends, the buffer springs decompose and buffer impact force in the vertical direction, and the piston is prevented from loosening and damaging due to overlarge action pressure on the inner wall of the valve body.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the sealing cavity is arranged at the outer side of the limit groove, when the liquid level in the box body reaches a certain height, the liquid generates buoyancy to the floater, the floater moves to drive the connecting rod to move so that the movable frame slides at the inner side of the sliding groove to drive the piston rod to rise, the piston rod drives the piston to separate from the circulation port, so that the liquid flows out of the circulation port of the valve body, the friction between the piston rod and the limit groove is reduced by the sealing cavity, the torque in the opening and closing process of the piston rod is reduced, the worn part is automatically supplemented by the filling material, the sealing effect of the sealing cavity to the piston rod is ensured by the sealing ring and the sealing block, and the service life of the valve body is prolonged.
According to the utility model, the rotating seat is arranged on the outer side of the blocking block, the filter screen filters impurities and large-particle substances in circulating liquid, the filtered liquid flows into the valve body through the filter screen, the rotating seat rotates under the impact action of the liquid to drive the rotating rod to rotate so as to enable the stirring plate blade to rotate to dredge fine particles blocked in the valve body, the connecting plate improves the dredging effect of the particles, the particles are dredged, accumulation of the particle impurities is avoided, and good usability of the float valve is ensured.
According to the utility model, the ramming rod is movably arranged on the inner side of the rotating rod, when the double-float valve cannot be used due to the internal blockage or vortex situation, a user pulls the pushing rod to move on the inner side of the movable cavity to drive the ramming rod to reciprocate in the horizontal direction, and the ramming rod drives the ramming head to ramm and dredge the internal blockage or vortex of the valve body, so that the blockage of liquid is prevented, and the maintenance intensity of the user is reduced.
According to the utility model, the buffer frame is arranged on one side of the blocking block, which is close to the piston, and after liquid flows out from the circulation port of the valve body, the floater descends to enable the piston rod to drive the piston to reset so as to seal the circulation port, the anti-collision block on the outer side of the piston is clamped on the inner side of the clamping groove and contacted with the buffer plate when reset, the buffer plate moves on the inner side of the buffer groove, the connecting rod is pushed by the buffer plate to enable the connecting rod to drive the sliding block to move on the sliding rod so as to squeeze the buffer springs at two ends, the buffer springs decompose and buffer impact force in the vertical direction, and the phenomenon that the piston loosens and damages the piston due to overlarge action pressure on the inner wall of the valve body is avoided, so that the sealing effect of the piston on the circulation port is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the front internal structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;
FIG. 4 is a schematic perspective view of a filter frame according to the present utility model;
FIG. 5 is a schematic view of a connection structure of a stopper according to the present utility model;
FIG. 6 is a schematic view of the internal structure of the buffer frame of the present utility model;
FIG. 7 is an enlarged schematic view of the structure of the present utility model at B;
fig. 8 is a perspective view of a rotary rod according to the present utility model.
In the figure: 1. a valve body; 2. a valve port; 3. a fixing frame; 4. a filter frame; 5. a movable frame; 6. a buffer frame; 7. a rotating seat; 8. a barrier block; 9. a flow port; 10. a movable cavity; 11. a seal ring; 12. sealing the cavity; 13. a seal ring; 14. a sealing block; 15. a filler; 16. a limit groove; 17. a movable groove; 18. a push rod; 19. an anti-slip layer; 20. a mounting groove; 21. a fixing assembly; 22. a limiting hole; 23. sealing cover; 24. a sealing layer; 25. a connecting rod; 26. a float; 27. a sliding groove; 28. a filter screen; 29. pulling blocks; 30. a moving groove; 31. a moving plate; 32. a return spring; 33. a limiting block; 34. a rotating shaft; 35. a piston rod; 36. a piston; 37. an anti-collision block; 38. a slide bar; 39. a sliding block; 40. a buffer spring; 41. a connecting rod; 42. a buffer tank; 43. a buffer plate; 44. a clamping groove; 45. a rotating rod; 46. a collar; 47. stirring the leaves; 48. a connecting plate; 49. a tamper rod; 50. a mounting head; 51. and (5) tamping the head.
Description of the embodiments
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected or movably connected, or may be detachably connected or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, 2 and 3, an embodiment of the present utility model provides: an anti-blocking sealing structure based on a double-float valve;
comprises a valve body 1, a blocking block 8 and a valve port 2, wherein the blocking block 8 is arranged on the inner side of the valve body 1, a circulation port 9 is arranged on the outer side of the blocking block 8 in a penetrating way, a movable cavity 10 is arranged in the blocking block 8, a limit groove 16 is arranged on the top of the valve body 1 in a penetrating way, a sealing ring 11 is arranged on the inner side of the limit groove 16, a sealing cavity 12 is arranged on the outer side of the limit groove 16, a sealing ring 13 is arranged on the inner side of the sealing cavity 12, a sealing block 14 is arranged on the outer side of the sealing ring 13, a filling material 15 is arranged on the inner side of the sealing cavity 12, a movable groove 17 is arranged on the front side of the valve body 1 in a penetrating way, a pushing rod 18 is arranged on the inner side of the movable groove 17 in a embedding way, an anti-slip layer 19 is arranged on the outer side of the pushing rod 18, the blocking block 8 is used for blocking liquid, the movable cavity 10 provides a space for the movement of the pushing rod 18, the sealing cavity 12 reduces friction between a piston rod 35 and the limit groove 16, reduces the opening and closing torque in the process of the piston rod 35, the packing 15 supplements the wearing part automatically, the sealing ring 13 and the sealing block 14 ensure the sealing effect of the sealing cavity 12 on the piston rod 35, the service life of the valve body 1 is prolonged, the push rod 18 is an L-shaped cylinder, when the double-float valve cannot be used due to the internal blockage or vortex condition, a user pulls the push rod 18 to move at the inner side of the movable cavity 10 to drive the ramming rod 49 to reciprocate horizontally, the anti-slip layer 19 increases the friction force between the hand of the user and the push rod 18, the valve port 2 is arranged at the outer side of the valve body 1, the mounting groove 20 is arranged at the inner side of the valve port 2, the fixing component 21 is arranged at the top of the valve port 2, the limiting holes 22 are arranged at the front side and the back side of the valve port 2 in a penetrating way, the sealing cover 23 is arranged at the inner side of the limiting holes 22 in a jogged way, the sealing layer 24 is arranged at the outer side of the sealing cover 23, the mounting groove 20 provides a mounting position for the filter frame 4, the sealing cover 23 protects the limiting block 33, so that the defect that the buffer spring 40 rusts and is inconvenient to detach the filter frame 4 is avoided, and the sealing layer 24 improves the sealing performance of the sealing cover 23 to the limiting hole 22.
Referring to fig. 1, 2, 4 and 5, an anti-blocking sealing structure based on a double float valve;
comprises a fixed frame 3, a filter frame body 4 and a movable frame 5, wherein the fixed frame 3 is arranged at the top of a valve body 1, a connecting rod 25 is arranged at the inner side of the fixed frame 3, a floater 26 is arranged at the top of the connecting rod 25, a sliding groove 27 is formed in the front surface of the connecting rod 25, when the liquid level in the box body reaches a certain height, the liquid generates buoyancy to the floater 26, the floater 26 moves to drive the connecting rod 25 to move so that the movable frame 5 slides at the inner side of the sliding groove 27 to drive a piston rod 35 to rise, the piston rod 35 drives a piston 36 to separate from a circulation port 9, so that the liquid flows out of the circulation port 9 of the valve body 1, a filter frame body 4 is embedded at the inner side of an installation groove 20, a filter screen 28 is arranged at the inner side of the filter frame body 4, a pull block 29 is arranged at the outer side of the filter frame body 4, a movable groove 30 is formed in the front surface and the back surface of the filter frame body 4, a movable plate 31 is embedded at the inner side of the movable groove 30, and a reset spring 32 is arranged at the inner wall of the movable groove 30, a limiting block 33 is arranged on the outer side of the moving plate 31, the outer end of the reset spring 32 is connected with the inner side of the moving plate 31, the limiting block 33 is matched with the limiting hole 22, when the filter frame body 4 is installed, the limiting block 33 is pressed to enable the limiting block 33 to move on the inner side of the moving groove 30 to squeeze the reset spring 32, the filter frame body 4 is clamped on the inner side of the installing groove 20 after the limiting block 33 is positioned on the inner side of the moving groove 30, the filter frame body 4 is rotated to enable the limiting block 33 and the limiting hole 22 to be positioned at the same horizontal position, the reset spring 32 enables the limiting block 33 to be clamped on the inner side of the limiting hole 22 due to self elasticity, stable connection between the valve port 2 and the filter frame body 4 is achieved, impurities and large particulate matters in flowing liquid are filtered by the filter screen 28, the filtered liquid flows into the valve body 1 through the filter screen 28, the pull block 29 facilitates later disassembly of the filter frame body 4 to replace the filter screen 28, the movable frame 5 is movably arranged on the inner side of the limiting groove 16, the front surface of the movable frame 5 is provided with a rotating shaft 34 in a penetrating mode, the rotating shaft 34 is matched with the sliding groove 27 to limit the movable frame 5, a piston rod 35 is arranged at the bottom of the movable frame 5, a piston 36 is arranged at the bottom end of the piston rod 35, an anti-collision block 37 is arranged on the outer side of the piston 36, the movable frame 5 slides on the inner side of the limiting groove 16 to adjust the inclination angle of the connecting rod 25, and the movable frame 5 is connected with the sliding groove 27 through the rotating shaft 34.
Referring to fig. 1, 2, 6, 7 and 8, an anti-blocking sealing structure based on a double float valve;
comprises a rotating seat 7, a tamping rod 49 and a buffer frame 6, wherein the outer side of a baffle block 8 is provided with the rotating seat 7, the output end of the rotating seat 7 is provided with a rotating rod 45, the outer side of the rotating rod 45 is provided with a lantern ring 46, the outer side of the lantern ring 46 is provided with a stirring blade 47, the outer end of the stirring blade 47 is provided with a connecting plate 48, the inner side of the rotating rod 45 is movably provided with a tamping rod 49, the output end of the tamping rod 49 is provided with a mounting head 50, the output end of the mounting head 50 is provided with a tamping head 51, the rotating seat 7 rotates under the impact of liquid to drive the rotating rod 45 to rotate so as to dredge fine particles blocked in the valve body 1, the connecting plate 48 improves the dredging effect of the particles, the lantern ring 46 is connected with the rotating rod 45 through bolts, the tamping rod 49 drives the tamping head 51 to block or vortex flow to dredge the inner part of the valve body 1, the convenient dredging of the blocking position inside the valve body 1 prevents the blocking of liquid, the mounting head 50 ensures the stability of the tamping head 51 in the use process, the baffle block 8 is provided with the buffer frame 6 at one side close to the piston 36, the inner wall of the buffer frame 6 is provided with the slide bar 38, the outer side of the slide bar 38 is embedded with the slide block 39, the outer side of the slide bar 38 is sleeved with the buffer spring 40, one end of the buffer spring 40 is connected with the inner side of the buffer frame 6, the other end of the buffer spring 40 is connected with the top of the slide block 39, the outer side of the slide block 39 is hinged with the connecting rod 41, the other end of the connecting rod 41 is provided with the buffer plate 43, the inner wall of the buffer frame 6 is provided with the buffer groove 42, the buffer plate 43 is embedded with the inner side of the buffer groove 42, the outer side of the buffer plate 43 is provided with the clamping groove 44 matched with the anti-collision block 37, the baffle block 8 provides the mounting position for the buffer frame 6, after the liquid flows out from the circulation port of the valve body 1, the float 26 descends to enable the piston rod 35 to drive the piston 36 to reset to seal the circulation port 9, the anti-collision block 37 at the outer side of the piston 36 is clamped at the inner side of the clamping groove 44 and contacts with the buffer plate 43, the buffer plate 43 moves at the inner side of the buffer groove 42, the connecting rod 41 is pushed when the buffer plate 43 moves, the connecting rod 41 drives the sliding block 39 to move on the sliding rod 38 to squeeze the buffer springs 40 at the two ends, and the buffer springs 40 decompose and buffer impact force in the vertical direction, so that the piston 36 is prevented from loosening and damaging the piston 36 due to overlarge action pressure on the inner wall of the valve body 1.
The working steps of the anti-blocking sealing structure are as follows:
s1, before the double-float valve is used, the filter frame body 4 is firstly installed, the limiting block 33 is pressed to enable the limiting block 33 to move on the inner side of the moving groove 30 to extrude the reset spring 32, the limiting block 33 is positioned on the inner side of the moving groove 30, then the filter frame body 4 is clamped on the inner side of the installation groove 20, the filter frame body 4 is rotated to enable the limiting block 33 and the limiting hole 22 to be positioned at the same horizontal position, and the reset spring 32 enables the limiting block 33 to be clamped on the inner side of the limiting hole 22 due to self elasticity, so that stable connection between the valve port 2 and the filter frame body 4 is realized;
s2, installing the valve body 1 in a using box body, filtering impurities and large particulate matters in flowing liquid through the filter screen 28, enabling the filtered liquid to flow into the valve body 1 through the filter screen 28, enabling the liquid to generate buoyancy to the floater 26 when the liquid level in the box body reaches a certain height, enabling the floater 26 to move to drive the connecting rod 25 to move so that the movable frame slides on the inner side of the sliding groove 27 to drive the piston rod 35 to ascend, enabling the piston rod 35 to drive the piston 36 to be separated from the circulating port 9, and enabling the liquid to flow out of the circulating port 9 of the valve body 1;
s3, under the impact of liquid, the rotating seat 7 rotates to drive the rotating rod 45 to rotate so that the stirring plate blades 47 rotate to dredge fine particles blocked in the valve body 1, the connecting plate 48 improves the dredging effect of the particles, when the double-float valve cannot be used due to the internal blocking or vortex situation, a user pulls the pushing rod 18 to move inside the movable cavity 10 to drive the tamping rod 49 to reciprocate in the horizontal direction, and the tamping rod 49 drives the tamping head 51 to dredge the blocking or vortex position inside the valve body 1;
s4, after the liquid flows out of the circulation port 9 of the valve body 1, the float 26 descends to enable the piston rod 35 to drive the piston 36 to reset to seal the circulation port 9, the anti-collision block 37 on the outer side of the piston 36 is clamped on the inner side of the clamping groove 44 to be in contact with the buffer plate 43 when reset, the buffer frame 6 buffers impact force generated when the piston 36 resets, and the sealing effect of the piston 36 on the circulation port 9 is guaranteed.
In step S2, the method further includes the steps of:
s21, friction between the piston rod 35 and the limiting groove 16 is reduced by the sealing cavity 12, torque in the opening and closing process of the piston rod 35 is reduced, the abrasion part is supplemented by the filling material 15 automatically, and the sealing effect of the sealing cavity 12 on the piston rod 35 is ensured by the sealing ring 13 and the sealing block 14;
in step S4, the method further includes the steps of:
s41, buffer plate 43 moves in buffer groove 42, and when buffer plate 43 moves, promotes connecting rod 41, makes connecting rod 41 drive slider 39 and extrudes buffer spring 40 at both ends on slide bar 38, and buffer spring 40 breaks down the impact force in the vertical direction, avoids piston 36 to exert excessive pressure on the inner wall of valve body 1 and causes the loosening and the damage of piston 36.
Working principle: when the device is used, firstly, the filter frame body 4 is installed before the double-float valve is used, the limiting block 33 is pressed to enable the limiting block 33 to move inside the moving groove 30 to extrude the return spring 32, the limiting block 33 is positioned inside the moving groove 30 to clamp the filter frame body 4 inside the installation groove 20, the filter frame body 4 is rotated to enable the limiting block 33 and the limiting hole 22 to be positioned at the same horizontal position, the return spring 32 enables the limiting block 33 to clamp the inner side of the limiting hole 22 due to self elasticity, the stable connection between the valve port 2 and the filter frame body 4 is realized, the valve body 1 is installed in a using box body, the filter screen 28 filters impurities and large particle substances in flowing liquid, the filtered liquid flows into the valve body 1 through the filter screen 28, when the liquid level in the box body reaches a certain height, the liquid generates buoyancy to the float 26, the float 26 moves to drive the connecting rod 25 to move so that the movable frame slides on the inner side of the sliding groove 27 to drive the piston rod 35 to rise, the piston rod 35 drives the piston 36 to be separated from the circulation port 9, liquid flows out of the circulation port 9 of the valve body 1, the sealing cavity 12 reduces friction between the piston rod 35 and the limiting groove 16, the filler 15 supplements the worn part by itself, the rotating seat 7 rotates under the impact of the liquid to drive the rotating rod 45 to rotate so that the stirring plate blade 47 rotates to dredge fine particles blocked in the valve body 1, the connecting plate 48 improves the dredging effect of the particles, when the inside of the double-float valve is blocked or the vortex situation is caused, a user pulls the push rod 18 to move on the inner side of the movable cavity 10 to drive the tamping rod 49 to reciprocate in the horizontal direction, the tamping rod 49 drives the tamping head 51 to dredge the blocked or vortex part in the valve body 1, after the liquid flows out from the circulation port 9 of the valve body 1, the float 26 descends to enable the piston rod 35 to drive the piston 36 to reset to seal the circulation port 9, the anti-collision block 37 at the outer side of the piston 36 is clamped at the inner side of the clamping groove 44 to be in contact with the buffer plate 43 when reset, the buffer frame 6 buffers the impact force generated when the piston 36 is reset, the buffer plate 43 moves at the inner side of the buffer groove 42, the connecting rod 41 is pushed when the buffer plate 43 moves, the connecting rod 41 drives the sliding block 39 to move on the sliding rod 38 to squeeze the buffer springs 40 at the two ends, and the buffer springs 40 decompose and buffer the impact force in the vertical direction.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. Anti-blocking sealing structure based on double-float valve, including valve body (1), valve port (2) and buffer frame (6), its characterized in that: the valve is characterized in that the valve port (2) is arranged on the outer side of the valve body (1), the blocking block (8) is arranged on the inner side of the valve body (1), the circulating port (9) is arranged on the outer side of the blocking block (8) in a penetrating mode, the movable cavity (10) is arranged in the inner side of the blocking block (8), the fixed frame (3) is arranged on the top of the valve body (1), the connecting rod (25) is arranged on the inner side of the fixed frame (3), the floater (26) is arranged on the top of the connecting rod (25), the sliding groove (27) is formed in the front side of the connecting rod (25), the limit groove (16) is formed in the top of the valve body (1) in a penetrating mode, the sealing ring (11) is arranged on the inner side of the limit groove (16), the sealing cavity (12) is arranged on the outer side of the limit groove (16), the sealing ring (13) is arranged on the inner side of the sealing cavity (14), the filling material (15) is arranged on the inner side of the sealing cavity (12), the front side of the valve body (1) is provided with the movable groove (17), the pushing groove (17) is formed in a penetrating mode, and the pushing rod (18) is arranged on the outer side of the sliding-proof layer (18);
the inner side of the limit groove (16) is movably provided with a movable frame (5), the front side of the movable frame (5) is penetrated and provided with a rotating shaft (34), the rotating shaft (34) is matched with a sliding groove (27) to limit the movable frame (5), the bottom of the movable frame (5) is provided with a piston rod (35), the bottom of the piston rod (35) is provided with a piston (36), the outer side of the piston (36) is provided with an anti-collision block (37), one side of the blocking block (8) close to the piston (36) is provided with a buffer frame (6), the inner wall of the buffer frame (6) is provided with a sliding rod (38), the outer side of the sliding rod (38) is provided with a sliding block (39), the outer side of the sliding rod (38) is sleeved with a buffer spring (40), one end of the buffer spring (40) is connected with the inner side of the buffer frame (6), the other end of the buffer spring (40) is connected with the top of the sliding block (39), the outer side of the sliding block (39) is hinged with a connecting rod (41), the other end of the connecting rod (41) is provided with a buffer plate (43), the inner side of the buffer frame (42) is provided with a buffer plate (42), the outer side of the buffer plate (43) is provided with a clamping groove (44), and the clamping groove (44) is matched with the anti-collision block (37);
the utility model discloses a tamper is characterized in that a rotating seat (7) is installed in the outside of separation piece (8), bull stick (45) is installed to the output of rotating seat (7), lantern ring (46) are installed in the outside of bull stick (45), stirring leaf (47) are installed in the outside of lantern ring (46), connecting plate (48) are installed to the outer end of stirring leaf (47), tamper (49) are installed to the inboard movable mounting of bull stick (45), and the output of push rod (18) runs through the inboard in movable chamber (10) and is connected with the input of tamper (49), installation head (50) are installed to the output of tamper (49), tamper (51) are installed to the output of installation head (50).
2. The anti-clogging sealing structure based on a double float valve as claimed in claim 1, wherein: the valve is characterized in that an installation groove (20) is formed in the inner side of the valve port (2), a fixing assembly (21) is installed at the top of the valve port (2), a limiting hole (22) is formed in the front face and the back face of the valve port (2) in a penetrating mode, a sealing cover (23) is installed on the inner side of the limiting hole (22) in a jogged mode, and a sealing layer (24) is arranged on the outer side of the sealing cover (23).
3. The anti-clogging sealing structure based on the double-float valve according to claim 2, wherein: the filter frame body (4) is installed to the inboard gomphosis of mounting groove (20), filter screen (28) are installed to the inboard of filter frame body (4), pull block (29) are installed in the outside of filter frame body (4), remove groove (30) have been seted up in front and the back of filter frame body (4), remove inboard gomphosis of groove (30) and install movable plate (31), install reset spring (32) on the inner wall of movable plate (30), and the outer end of reset spring (32) is connected with the inboard of movable plate (31), stopper (33) are installed in the outside of movable plate (31), and stopper (33) and spacing hole (22) cooperate.
4. A method of using a dual float valve based anti-jam seal as defined in claim 3 wherein the steps of the anti-jam seal are as follows:
s1, before the double-float valve is used, the filter frame body (4) is mounted, the limiting block (33) is pressed to enable the limiting block (33) to move inside the moving groove (30) to squeeze the reset spring (32), the limiting block (33) is located inside the moving groove (30), the filter frame body (4) is clamped inside the mounting groove (20), the filter frame body (4) is rotated to enable the limiting block (33) and the limiting hole (22) to be located at the same horizontal position, the reset spring (32) enables the limiting block (33) to be clamped inside the limiting hole (22) due to self elasticity, and stable connection between the valve port (2) and the filter frame body (4) is achieved;
s2, installing the valve body (1) in a using box body, filtering impurities and large particulate matters in flowing liquid through the filter screen (28), enabling the filtered liquid to flow into the valve body (1) through the filter screen (28), enabling the liquid to generate buoyancy to the floater (26) when the liquid level in the box body reaches a certain height, enabling the floater (26) to move to drive the connecting rod (25) to move so that the movable frame slides on the inner side of the sliding groove (27) to drive the piston rod (35) to ascend, enabling the piston rod (35) to drive the piston (36) to be separated from the circulation port (9), and enabling the liquid to flow out of the circulation port (9) of the valve body (1);
s3, under the impact of liquid, the rotating seat (7) rotates to drive the rotating rod (45) to rotate so that the stirring blade (47) rotates to dredge fine particles blocked in the valve body (1), the connecting plate (48) improves the dredging effect of the particles, when the double-float valve cannot be used due to the internal blocking or vortex situation, a person pulls the pushing rod (18) to move on the inner side of the movable cavity (10) to drive the tamping rod (49) to reciprocate in the horizontal direction, and the tamping rod (49) drives the tamping head (51) to tamper and dredge the internal blocking or vortex position of the valve body (1);
s4, after liquid flows out of the circulation port (9) of the valve body (1), the floater (26) descends to enable the piston rod (35) to drive the piston (36) to reset to seal the circulation port (9), the anti-collision block (37) on the outer side of the piston (36) is clamped on the inner side of the clamping groove (44) to be in contact with the buffer plate (43) when reset, and the buffer frame (6) buffers impact force generated when the piston (36) resets to ensure the sealing effect of the piston (36) on the circulation port (9).
5. The method of using a double float valve based anti-blocking sealing structure according to claim 4, further comprising the steps of, in said step S2:
s21, friction between the piston rod (35) and the limiting groove (16) is reduced by the sealing cavity (12), torque in the opening and closing process of the piston rod (35) is reduced, the abrasion part is automatically supplemented by the filling material (15), and the sealing effect of the sealing cavity (12) on the piston rod (35) is ensured by the sealing ring (13) and the sealing block (14);
in the step S4, the method further includes the following steps:
s41, buffer plate (43) are moved in buffer tank (42), promote connecting rod (41) when buffer plate (43) are removed, make connecting rod (41) drive slider (39) and remove on slide bar (38) and extrude buffer spring (40) at both ends, buffer spring (40) decompose the buffering to the impact force on the vertical direction, avoid piston (36) to the inner wall action pressure of valve body (1) too big and cause the loosening and the damage of piston (36).
CN202310236827.1A 2023-03-13 2023-03-13 Anti-blocking sealing structure based on double float valves Active CN116255497B (en)

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CN202310236827.1A CN116255497B (en) 2023-03-13 2023-03-13 Anti-blocking sealing structure based on double float valves

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Application Number Priority Date Filing Date Title
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CN116255497B true CN116255497B (en) 2023-11-03

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2362126A1 (en) * 2010-02-22 2011-08-31 Tiba Austria GmbH Float valve
CN207514365U (en) * 2017-10-11 2018-06-19 福建万辰生物科技股份有限公司 A kind of stirring quantitative water supply control device
CN210179040U (en) * 2019-05-30 2020-03-24 常宝新材料(苏州)有限公司 Floating type automatic water level adjusting structure
CN114776813A (en) * 2022-04-22 2022-07-22 江苏金晟元特种阀门股份有限公司 Fluoroplastic full-lining stop valve
CN217502755U (en) * 2022-07-01 2022-09-27 抚顺丰业石化机械制造有限公司 Float valve for liquid level control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2362126A1 (en) * 2010-02-22 2011-08-31 Tiba Austria GmbH Float valve
CN207514365U (en) * 2017-10-11 2018-06-19 福建万辰生物科技股份有限公司 A kind of stirring quantitative water supply control device
CN210179040U (en) * 2019-05-30 2020-03-24 常宝新材料(苏州)有限公司 Floating type automatic water level adjusting structure
CN114776813A (en) * 2022-04-22 2022-07-22 江苏金晟元特种阀门股份有限公司 Fluoroplastic full-lining stop valve
CN217502755U (en) * 2022-07-01 2022-09-27 抚顺丰业石化机械制造有限公司 Float valve for liquid level control

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