CN113464671B - Improved parallel gate valve - Google Patents

Improved parallel gate valve Download PDF

Info

Publication number
CN113464671B
CN113464671B CN202110876928.6A CN202110876928A CN113464671B CN 113464671 B CN113464671 B CN 113464671B CN 202110876928 A CN202110876928 A CN 202110876928A CN 113464671 B CN113464671 B CN 113464671B
Authority
CN
China
Prior art keywords
gate
gate valve
pipe
parallel
seat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110876928.6A
Other languages
Chinese (zh)
Other versions
CN113464671A (en
Inventor
郑德宠
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.)
Jiutong Group Co ltd
Original Assignee
Jiutong Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiutong Group Co ltd filed Critical Jiutong Group Co ltd
Priority to CN202110876928.6A priority Critical patent/CN113464671B/en
Publication of CN113464671A publication Critical patent/CN113464671A/en
Application granted granted Critical
Publication of CN113464671B publication Critical patent/CN113464671B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • 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
    • F16K3/02Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0209Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor the valve having a particular passage, e.g. provided with a filter, throttle or safety device
    • 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
    • F16K3/02Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/0227Packings
    • 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
    • F16K3/02Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/18Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
    • 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
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025Electrical or magnetic means
    • F16K37/005Electrical or magnetic means for measuring fluid parameters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/20Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials
    • G01N1/2035Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping
    • G01N2001/2064Devices for withdrawing samples in the liquid or fluent state for flowing or falling materials by deviating part of a fluid stream, e.g. by drawing-off or tapping using a by-pass loop

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sliding Valves (AREA)

Abstract

The invention relates to a gate valve, in particular to an improved parallel gate valve. The utility model provides an improved generation parallel gate valve, includes pipe, gate seat, square pipe and gate, and the upside of pipe has linked firmly square pipe, and the below of square pipe in the pipe has linked firmly the gate seat, and the vertical sliding connection of gate is on square pipe, and the lower part of gate is isosceles trapezoid, and the gate is pressed and is closed the gate valve on the gate seat. The parallel gate valve also comprises two blocking edges which are fixedly connected with the gate seat and are respectively positioned at the left side and the right side of the gate. The parallel gate valve also comprises a rectangular sealing ring, the upper side of the square pipe is fixedly connected with the rectangular sealing ring, and the gate penetrates through the rectangular sealing ring. Parallel gate valve still includes pressure frame and screw thread post, and both ends all linked firmly the screw thread post about the side pipe upside, presses the frame to press the upside at rectangular seal circle, and two screw thread posts all pass the pressure frame, all threaded connection has the nut on two screw thread posts, and two nuts all press the upside at the pressure frame.

Description

Improved parallel gate valve
Technical Field
The invention relates to the field of gate valves, in particular to an improved parallel gate valve.
Background
The gate valve is a shutter, the movement direction of the shutter is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and the gate plate, and the sealing surface is usually bead-welded with a metallic material to increase wear resistance. The gate plate is divided into a rigid gate plate and an elastic gate plate, and the gate valve is divided into a rigid gate valve and an elastic gate valve according to the difference of the gate plates.
The opening and closing piece of the central gate valve in the prior art is a gate plate, the moving direction of the gate plate is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled. The gate has two sealing surfaces, and the two sealing surfaces of the gate valve in the most common mode form a wedge shape and a wedge angle which are different along with the parameters of the valve. The gate plate of the wedge gate valve can be made into a whole, namely a rigid gate plate; the gate plate can also be made into a gate plate capable of generating micro deformation. Moreover, the reliability of the conventional parallel gate valve is general.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an improved parallel gate valve which has the advantages that the gate can be tightly attached to a gate seat, and the reliability is high.
The utility model provides an improved generation parallel gate valve, includes pipe, gate seat, square pipe and gate, and the upside of pipe has linked firmly square pipe, and the below of square pipe in the pipe has linked firmly the gate seat, and the vertical sliding connection of gate is on square pipe, and the lower part of gate is isosceles trapezoid, and the gate is pressed and is closed the gate valve on the gate seat.
The parallel gate valve also comprises blocking edges, two blocking edges are fixedly connected to the gate seat, and the two blocking edges are respectively positioned on the left side and the right side of the gate.
The parallel gate valve also comprises a rectangular sealing ring, the upper side of the square pipe is fixedly connected with the rectangular sealing ring, and the gate penetrates through the rectangular sealing ring.
Parallel gate valve still includes pressure frame and screw thread post, and both ends all linked firmly the screw thread post about the side pipe upside, and the pressure frame is pressed at the upside of rectangle sealing washer, and two screw thread posts all pass the pressure frame, and all threaded connection has the nut on two screw thread posts, and two nuts all press the upside at the pressure frame.
The parallel gate valve also comprises an external connecting pipe, and the left side and the right side of the circular pipe are fixedly connected with the external connecting pipe.
The parallel gate valve still includes circular seal and connecting pipe, and two are taken over the inboard of outer end and all have been linked firmly circular seal, and two connecting pipes rotate respectively and connect on two circular seal, and the outside of connecting pipe has linked firmly the screw thread.
Parallel gate valve still includes circular port, holding tank, square column and cylinder, and the lower part of gate has linked firmly the circular port of left right direction, has linked firmly the holding tank on the gate, the first half and the holding tank coincidence of circular port, and sliding connection is on the circular port about the direction on the cylinder, and the lower extreme of square column links firmly at the cylindrical middle part.
The parallel gate valve further comprises a sensor, a plurality of inclined blades and rotating frames, the plurality of inclined blades are fixedly connected to the sensor, the sensor is fixedly connected to the rotating frames, the left side and the right side of the sensor and the left side of the rotating frames are fixedly connected to one rotating frame, and the two rotating frames are rotatably connected to the left side and the right side of the cylinder respectively.
The parallel gate valve still includes L shape seat and ejector pin, and the left and right sides on gate upper portion has all linked firmly L shape seat, has linked firmly the ejector pin between two L shape seats, and sliding connection is on the ejector pin about the upper portion of square column, has cup jointed two compression spring I on the ejector pin, and two compression spring I are located the left and right sides of square column respectively.
The parallel gate valve also comprises a hand screw I, the upper part of the front side of the gate is in threaded connection with the hand screw I, and the hand screw I is inserted into the upper part of the square column.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a first schematic structural view of a parallel gate valve;
FIG. 2 is a second schematic structural view of a parallel gate valve;
FIG. 3 is a third schematic structural view of a parallel gate valve;
FIG. 4 is a first schematic structural diagram of a circular tube;
FIG. 5 is a second schematic structural view of a circular tube;
FIG. 6 is a third schematic structural view of a circular tube;
FIG. 7 is a schematic structural view of the extension tube;
FIG. 8 is a first schematic structural view of a gate;
FIG. 9 is a second schematic structural view of the gate;
FIG. 10 is a third schematic structural view of the gate;
FIG. 11 is a schematic structural view of a square column;
fig. 12 is a first schematic structural view of the kit;
fig. 13 is a schematic structural diagram ii of the kit.
Detailed Description
Referring to fig. 1-6, an embodiment of the present invention is provided to solve the main technical problem of making the gate 301 tightly fit on the gate seat 108, so that the reliability of the valve is high, and further,
because the parallel gate valve of improved generation includes pipe 101, gate seat 108, square pipe 102 and gate 301, square pipe 102 sets up on pipe 101, be provided with gate seat 108 in the pipe 101, gate seat 108 is located the below of square pipe 102, gate 301 can be on square pipe 102 vertical slip, the lower part of gate 301 sets up to the isosceles trapezoid shape, gate 301 can press and close the gate valve on gate seat 108, through gate 301 vertical slip on square pipe 102, and then the intercommunication and the closing of control pipe 101, the lower part of gate 301 is isosceles trapezoid, gate seat 108 also sets up the shape that can laminate with the isosceles trapezoid of gate 301 lower part, the isosceles trapezoid of gate 301 lower part is convenient for gate 301 to press on gate seat 108 through the inclined plane of isosceles trapezoid, make the laminating that gate 301 can be inseparable on gate seat 108, make the reliability of valve high.
Referring to fig. 4-6, an embodiment of the present invention is provided, which solves the main technical problem of preventing the valve from being closed insufficiently, and further,
because the parallel gate valve further comprises the blocking edges 107, and the two blocking edges 107 are arranged on the gate seat 108, when the gate 301 is pressed on the gate seat 108 to close the gate valve, the two blocking edges 107 are respectively blocked at the left side and the right side of the gate 301, so that a gap is prevented from being generated between the gate 301 and the gate seat 108, and further, the tightness is prevented from being insufficient when the gate is closed.
Referring to fig. 4-6, an embodiment of the present invention is provided, which solves the main technical problem of sealing between the gate 301 and the square pipe 102, and further,
because the parallel gate valve further comprises a rectangular sealing ring 105, the rectangular sealing ring 105 is arranged on the upper side of the square pipe 102, and the rectangular sealing ring 105 plays a role in sealing between the gate 301 and the square pipe 102.
Referring to fig. 4-6, an embodiment of the present invention is provided, which solves the main technical problem of facilitating replacement of the rectangular sealing ring 105, and further,
because parallel gate valve still includes pressure frame 103 and screw post 104, two screw posts 104 set up both ends about square pipe 102 upside respectively, press frame 103 to press the upside at rectangle sealing washer 105, press frame 103 to insert on two screw posts 104, equal threaded connection has the nut on every screw post 104, and the nut is pressed the upside at pressure frame 103, and then makes pressure frame 103 press the upside at rectangle sealing washer 105, and then prevents that rectangle sealing washer 105 from droing. And the nuts on the two threaded columns 104 are convenient to disassemble, so that the rectangular sealing ring 105 is convenient to replace.
Referring to fig. 1, 2 and 7, an embodiment of the present invention is provided, which solves a main technical problem of installing a valve in a pipeline, and further,
because parallel gate valve still includes and connects pipe 201 outward, two are connected pipe 201 and are set up respectively in the left and right sides of pipe 101 outward, and two pipe 101 are used for connecting outside pipeline, and then install the valve in the pipeline.
Referring to fig. 1-2 and fig. 7, an embodiment of the present invention is provided, which solves the main technical problem of facilitating the rotation of the position of the gate valve, and further,
parallel gate valve still includes circular seal 202 and connecting pipe 203, two are taken over 201 outer ends outward and all are provided with circular seal 202, connecting pipe 203 rotates respectively and connects on corresponding circular seal 202, the outside of connecting pipe 203 is provided with the screw thread, and then make two take over 201 outward and be convenient for rotate on two connecting pipes 203, and circular seal 202 has played sealed effect between the two, be convenient for rotate the position of adjustment gate valve, and the outside of connecting pipe 203 is provided with the screw thread, be convenient for through threaded connection on outside tubular product.
Referring to fig. 1-11, an embodiment of the present invention is provided, which solves the main technical problem of sampling the liquid enclosed by the valve, and further,
the parallel gate valve further comprises a circular hole 302, a storage groove 310, a square column 401 and a cylinder 406, the lower part of the gate 301 is provided with the circular hole 302, the circular hole 302 is arranged in the left-right direction, the storage groove 310 is arranged on the gate 301, the upper half part of the circular hole 302 coincides with the storage groove 310, the cylinder 406 is connected to the circular hole 302 in the left-right direction in a sliding manner, a groove corresponding to the lower end of the square column 401 is arranged in the middle of the cylinder 406, the lower end of the square column 401 is inserted in the middle of the cylinder 406, the cylinder 406 usually seals the left end and the right end of the circular hole 302, the cylinder 406 can be controlled to slide left and right on the circular hole 302 through the square column 401, the cylinder 406 can be driven to slide left or right on the circular hole 302, at this time, one side of the circular hole 302 can be opened, water at the external connecting pipe 201 at the same side can enter the storage groove 310 through the circular hole 302, sampling of the liquid at the external connecting pipe 201 at the left side or the right side is completed, the sampling water at the external connecting pipe 201 enters the gate 301, then the square column 401 and the cylinder 406 are restored to the original position, and the original position of the square column 401 and the cylinder 406 are closed, and the 302 is then, and the liquid stored in the gate 301 can be tested.
Referring to fig. 11, an embodiment of the present invention is provided, which solves the main technical problem of knowing the pressure data in the gate valve and further,
because parallel gate valve still includes sensor 403, oblique leaf 404 and rotating turret 405, a plurality of oblique leaves 404 all set up on sensor 403, sensor 403 sets up on rotating turret 405, two rotating turrets 405 rotate respectively and connect in the left and right sides of cylinder 406, when making liquid flow in gate valve department, can drive sensor 403 and rotating turret 405 through oblique leaf 404 and rotate, and then make the position of sensor 403 constantly change, and then make sensor 403 carry out the pressure data test in different positions, sensor 403 and power are encapsulated in rotating turret 405, be provided with storage device in the sensor 403, save data, then know the pressure data in the gate valve after dismantling sensor 403.
Referring to fig. 8-11, an embodiment of the present invention is provided, which solves the main technical problem that a square column 401 can be located at the middle part in a gate 301 through two compression springs I, and further,
because parallel gate valve still includes L shape seat 304 and ejector pin 305, the left and right sides on gate 301 upper portion has all set up L shape seat 304, ejector pin 305 fixed connection is between two L shape seats 304, square column 401 sliding connection is on ejector pin 305 on left and right sides, two compression spring I have been set up on ejector pin 305, two compression spring I are located the left and right sides of square column 401 respectively, and then can be located the middle part with square column 401 in gate 301 through two compression spring I, at this moment cylinder 406 all seals both ends about circular port 302, when needing to open the unilateral of circular port 302, can stir square column 401 left or right, and then drive cylinder 406 and move to the unilateral, loosen the square column 401 after, square column 401 and cylinder 406 resume to original position.
Referring to fig. 8-11, an embodiment of the present invention is provided to solve the main technical problem of locking the square column 401, preventing the square column 401 from moving freely, and further,
because parallel gate valve still includes hand screw I303, hand screw I303 passes through threaded connection at the front side upper portion of gate 301, can lock square column 401 when hand screw I303 pegs graft in the upper portion of square column 401, avoids square column 401 to remove at will.
The parallel gate valve further comprises a liquid blocking piece 402, a medicine box 501, an upper cover 502, a connecting column 503 and a leakage hole 504, the liquid blocking piece 402 is arranged on the rear side of the upper portion of the square column 401, the upper cover 502 is arranged on the upper side of the medicine box 501, the leakage hole 504 is arranged on the lower side of the medicine box 501, the connecting column 503 is arranged at each of the left end and the right end of the lower side of the medicine box 501, the two connecting columns 503 are fixedly connected to the upper portion of the gate 301, and the liquid blocking piece 402 blocks the lower side of the leakage hole 504.
Referring to fig. 1-13, an embodiment of the present invention is provided, which solves the main technical problem of performing chemical testing on the liquid in the storage tank 310, and further,
nontoxic and harmless medicaments can be put into the medicament box 501, the liquid blocking piece 402 is normally blocked at the position of the leak hole 504 on the medicament box 501, when the square column 401 moves leftwards or rightwards, the liquid blocking piece 402 moves towards one side, at the moment, liquid flows into the storage groove 310 for sampling, the liquid blocking piece 402 leaves the leak hole 504, then the nontoxic and harmless medicaments in the medicament box 501 fall into the gate 301, at the moment, the nontoxic and harmless medicaments react with the sampled liquid in the storage groove 310, and chemical testing is carried out on the liquid in the storage groove 310.
Parallel gate valve still includes lug 106, sand grip 306, montant 307, disk 308 and hand screw II309, the rear side of side pipe 102 is provided with lug 106, gate 301's rear side fixedly connected with sand grip 306, the downside fixedly connected with montant 307 of sand grip 306, the vertical sliding connection of montant 307 is on lug 106, the lower extreme fixedly connected with disk 308 of montant 307, compression spring II has been cup jointed on montant 307, compression spring II is located between lug 106 and the disk 308, threaded connection has hand screw II309 on the sand grip 306, the lower extreme top of hand screw II309 is at the upside of lug 106.
Referring to fig. 1-13, an embodiment of the present invention is provided to solve the main technical problem of lifting up the gate 301 to open the gate valve, and further,
the compression spring II on the vertical rod 307 applies a downward force to the wafer 308, so that the vertical rod 307 and the convex strip 306 have a tendency of moving downward, and further the gate 301 is pressed down on the gate seat 108, so that the sealing performance of the gate valve becomes strong, and the hand screw II309 can be rotated to drive the hand screw II309 to move downward relative to the convex strip 306, so that the gate 301 is lifted upward, and the gate valve is opened.

Claims (3)

1. The utility model provides a parallel gate valve of improved generation, includes pipe (101), gate seat (108), square pipe (102) and gate (301), its characterized in that: a square pipe (102) is arranged on the upper side of the circular pipe (101), a gate seat (108) is arranged below the square pipe (102) in the circular pipe (101), the gate (301) is vertically and slidably connected to the square pipe (102), the lower part of the gate (301) is in an isosceles trapezoid shape, and the gate (301) is pressed on the gate seat (108) to close the gate valve;
the parallel gate valve further comprises a blocking edge (107), two blocking edges (107) are arranged on the gate seat (108), and the two blocking edges (107) are respectively positioned on the left side and the right side of the gate (301);
the parallel gate valve further comprises a rectangular sealing ring (105), the rectangular sealing ring (105) is arranged on the upper side of the square pipe (102), and the gate (301) penetrates through the rectangular sealing ring (105);
the parallel gate valve further comprises a pressing frame (103) and threaded columns (104), the threaded columns (104) are arranged at the left end and the right end of the upper side of the square tube (102), the pressing frame (103) is pressed on the upper side of the rectangular sealing ring (105), the two threaded columns (104) penetrate through the pressing frame (103), nuts are in threaded connection with the two threaded columns (104), and the two nuts are evenly distributed on the upper side of the pressing frame (103);
the parallel gate valve also comprises an external connecting pipe (201), and the external connecting pipe (201) is arranged on the left side and the right side of the circular pipe (101);
the parallel gate valve further comprises circular sealing rings (202) and connecting pipes (203), the circular sealing rings (202) are arranged on the inner sides of the outer ends of the two external connecting pipes (201), the two connecting pipes (203) are respectively and rotatably connected to the two circular sealing rings (202), and threads are arranged on the outer portions of the connecting pipes (203);
the parallel gate valve further comprises a circular hole (302), a storage groove (310), a square column (401) and a cylinder (406), the circular hole (302) in the left-right direction is formed in the lower portion of the gate (301), the storage groove (310) is formed in the gate (301), the upper half portion of the circular hole (302) is overlapped with the storage groove (310), the cylinder (406) is connected to the circular hole (302) in the left-right direction in a sliding mode, and the lower end of the square column (401) is fixedly connected to the middle of the cylinder (406); the cylinder (406) is controlled to slide left and right on the circular hole (302) through the square column (401), so that the cylinder (406) is driven to slide left or right on the circular hole (302), at the moment, one side of the circular hole (302) is opened, water at the external connecting pipe (201) at the same side enters the storage tank (310) through the circular hole (302), at the moment, sampling of liquid at the external connecting pipe (201) at the left side or the right side is completed, the sampled water enters the gate (301), then the square column (401) and the cylinder (406) are restored to the original position, the circular hole (302) is further closed again, and then the liquid stored in the gate (301) can be tested;
the parallel gate valve further comprises a sensor (403), inclined blades (404) and a rotating frame (405), wherein the plurality of inclined blades (404) are arranged on the sensor (403), the sensor (403) is fixedly connected to the rotating frame (405), the left side and the right side of the sensor (403) and the rotating frame (405) are respectively provided with one, and the two rotating frames (405) are respectively connected to the left side and the right side of the cylinder (406) in a rotating mode.
2. An improved parallel gate valve according to claim 1, wherein: parallel gate valve still includes L shape seat (304) and ejector pin (305), the equal fixedly connected with L of the left and right sides on gate (301) upper portion shape seat (304), fixedly connected with ejector pin (305) between two L shape seats (304), sliding connection is on ejector pin (305) on the upper portion of square column (401) is controlled in the direction, has cup jointed two compression spring I on ejector pin (305), two compression spring I are located the left and right sides of square column (401) respectively.
3. An improved parallel gate valve according to claim 2, wherein: the parallel gate valve further comprises a hand screw I (303), the upper portion of the front side of the gate (301) is in threaded connection with the hand screw I (303), and the hand screw I (303) is inserted into the upper portion of the square column (401).
CN202110876928.6A 2021-07-31 2021-07-31 Improved parallel gate valve Active CN113464671B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110876928.6A CN113464671B (en) 2021-07-31 2021-07-31 Improved parallel gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110876928.6A CN113464671B (en) 2021-07-31 2021-07-31 Improved parallel gate valve

Publications (2)

Publication Number Publication Date
CN113464671A CN113464671A (en) 2021-10-01
CN113464671B true CN113464671B (en) 2023-03-03

Family

ID=77883565

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110876928.6A Active CN113464671B (en) 2021-07-31 2021-07-31 Improved parallel gate valve

Country Status (1)

Country Link
CN (1) CN113464671B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114576425B (en) * 2022-01-18 2022-10-21 江苏苏盐阀门机械有限公司 High-pressure valve
CN114635987B (en) * 2022-03-15 2022-12-13 江苏江沅机械有限公司 Automatic downward-pressing sealed stop valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206943451U (en) * 2017-04-18 2018-01-30 浙江石化阀门有限公司 A kind of high pressure Single Disc Flat Gate Valves
CN211624254U (en) * 2019-12-16 2020-10-02 郑州中特阀门有限公司 Slag discharge valve
CN211779074U (en) * 2020-01-07 2020-10-27 德锐斯阀门科技有限责任公司 Wear-resistant gate valve with scales

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9500284B2 (en) * 2014-08-18 2016-11-22 Stephen Schmidt Gate valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206943451U (en) * 2017-04-18 2018-01-30 浙江石化阀门有限公司 A kind of high pressure Single Disc Flat Gate Valves
CN211624254U (en) * 2019-12-16 2020-10-02 郑州中特阀门有限公司 Slag discharge valve
CN211779074U (en) * 2020-01-07 2020-10-27 德锐斯阀门科技有限责任公司 Wear-resistant gate valve with scales

Also Published As

Publication number Publication date
CN113464671A (en) 2021-10-01

Similar Documents

Publication Publication Date Title
CN113464671B (en) Improved parallel gate valve
CN210890134U (en) Butterfly valve capable of being maintained on line
CN218761514U (en) Integrative valve of ball floodgate with convenient flashboard of changing
CN204127333U (en) With the substep open-close type butterfly valve of guide's pressure release
CN207906493U (en) A kind of novel upper-mounting type ball valve
CN210661445U (en) Turbine flange multi-layer metal hard seal butterfly valve
CN112197016A (en) High-adjustable-ratio double-butterfly-plate butterfly valve and operation method thereof
CN113719617B (en) Butterfly valve capable of automatically detecting and cleaning sealing state
CN214999498U (en) Gate valve with filtering capability
CN210372060U (en) Anti-backflow stop valve
CN213982093U (en) Jacketed type heat-insulating gate valve
CN213982085U (en) Novel lifting rod gate valve rod
CN113898749A (en) Gate valve capable of balancing inlet-outlet pressure difference and reducing opening resistance
CN114635987A (en) Automatic downward-pressing sealed stop valve
CN208578985U (en) A kind of wafer type butterfly valve of good airproof performance
CN109944978B (en) Extrusion type automatic sealing gate valve
CN207921344U (en) A kind of membrane separation plant plunger valve
CN207923390U (en) A kind of valve measurement pressure testing device
CN210003849U (en) gate valve with bypass
CN210890183U (en) Semi-lining flange butterfly valve
CN110873223A (en) Valve with detachable valve rod
CN219317658U (en) Flow guiding stop valve
CN207364315U (en) A kind of high efficiency filter preventing water leakage shut-off valve
CN221145340U (en) Skeleton type pin-free butterfly valve
CN216950315U (en) Gate valve for oil well

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant