[go: up one dir, main page]

CN114001196A - Totally-enclosed high-temperature and high-pressure resistant oil production valve - Google Patents

Totally-enclosed high-temperature and high-pressure resistant oil production valve Download PDF

Info

Publication number
CN114001196A
CN114001196A CN202111142767.4A CN202111142767A CN114001196A CN 114001196 A CN114001196 A CN 114001196A CN 202111142767 A CN202111142767 A CN 202111142767A CN 114001196 A CN114001196 A CN 114001196A
Authority
CN
China
Prior art keywords
valve
surface position
fixed mounting
sealed
pressure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111142767.4A
Other languages
Chinese (zh)
Inventor
柏广才
陈意
顾忠燕
张中健
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.)
Puffett Oil And Gas Engineering Jiangsu Co ltd
Original Assignee
Puffett Oil And Gas Engineering Jiangsu 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 Puffett Oil And Gas Engineering Jiangsu Co ltd filed Critical Puffett Oil And Gas Engineering Jiangsu Co ltd
Priority to CN202111142767.4A priority Critical patent/CN114001196A/en
Publication of CN114001196A publication Critical patent/CN114001196A/en
Pending legal-status Critical Current

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
    • 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
    • F16K37/0066Hydraulic or pneumatic means
    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • 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
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • 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
    • F16K31/44Mechanical actuating means
    • F16K31/50Mechanical actuating means with screw-spindle or internally threaded actuating means
    • 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
    • F16K31/44Mechanical actuating means
    • F16K31/60Handles
    • 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
    • F16K43/00Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose
    • F16K43/001Auxiliary closure means in valves, which in case of repair, e.g. rewashering, of the valve, can take over the function of the normal closure means; Devices for temporary replacement of parts of valves for the same purpose an auxiliary valve being actuated independently of the main valve
    • 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
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)

Abstract

The invention relates to the technical field of valves, in particular to a totally-enclosed high-temperature and high-pressure resistant oil extraction valve which comprises a valve main valve body, wherein a fixed valve seat is fixedly arranged on the upper surface of the valve main valve body, a valve connecting pipe is fixedly arranged on the upper surface of the fixed valve seat, a liquid inlet pipeline is fixedly arranged on the surface of one side of the valve main valve body, a secondary square cabin body is fixedly arranged on the surface of the other side of the valve main valve body, a liquid outlet pipeline is fixedly arranged on the surface of one side of the secondary square cabin body, and a pressure cavity and a sealing cavity are arranged in the secondary square cabin body; the invention can monitor the closing condition of the main valve body of the valve, when the main valve body of the valve is not closed tightly and weak leakage occurs, the sealing sliding pad moves upwards, and the variable quantity is displayed through the indicating line interlayer and the indicating scale, thereby being convenient to detect the trace leakage of the main valve body of the valve and improving the sensitivity and the use guarantee of the valve.

Description

Totally-enclosed high-temperature and high-pressure resistant oil production valve
Technical Field
The invention relates to the technical field of valves, in particular to a totally-enclosed high-temperature and high-pressure resistant oil extraction valve.
Background
A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate of a medium (liquid, gas, or powder) in piping or equipment by flowing or stopping the medium, and is widely used in the field of oil production.
In a high-pressure oil conveying pipeline, after a valve is closed, the situations of trace leakage, overflow and the like still occur frequently, the oil leaked in trace amount not only causes loss, but also is extremely dangerous and causes potential safety hazards, and a valve which can keep monitoring the closing condition of a main valve after the main valve is closed and visually displays the monitoring variable quantity is lacked so as to improve the inspection efficiency of workers.
Disclosure of Invention
The invention aims to provide a totally-enclosed high-temperature and high-pressure resistant oil extraction valve to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a totally closed high temperature and high pressure resistant oil production valve, includes the valve main valve body, the upper surface position fixed mounting of the valve main valve body has the fixed valve seat, the upper surface position fixed mounting of fixed valve seat has the valve even pipe, a side surface position fixed mounting of the valve main valve body has the inlet conduit, another side surface position fixed mounting of the valve main valve body has the secondary side storehouse body, a side surface position fixed mounting of the secondary side storehouse body has a liquid outlet pipe, the inside of the secondary side storehouse body is provided with pressure cavity and seal chamber, seal chamber's inside is provided with the second grade pressure valve mechanism that has the rotary seal function, the upper surface position of pressure cavity inlays to establish and installs the display tube mechanism that has flexible function.
Preferably, a separation wall plate is fixedly installed between the pressure cavity and the seal cavity inside the secondary square cabin body, and a liquid through opening is formed in the surface of the separation wall plate.
Preferably, the second-stage pressure valve mechanism comprises a nut fixing block fixedly mounted on the upper surface of the secondary square cabin body, an internal thread through hole is formed in the upper surface of the nut fixing block, an external thread column is spirally and alternately arranged in the internal thread through hole, and a fixed hand wheel is fixedly mounted on the surface of the upper end of the external thread column.
Preferably, the inside upper surface position of the secondary side storehouse body is located under the nut fixed block fixed mounting and has spacing sealed square pipe, the lower extreme surface position fixed mounting of external screw thread post has rotatory fixture block, the inside of spacing sealed square pipe is provided with the cooperation cassette, and the inside of cooperation cassette has seted up the spacing chamber of fixture block, rotatory fixture block is located the spacing intracavity portion of fixture block, the lower surface position fixed mounting of cooperation cassette has sealed briquetting, and the surface position of sealed briquetting has seted up sealed adhesive tape groove, sealed adhesive tape groove's inside cover is established and is installed the contact joint strip, sealed briquetting's lower surface position fixed mounting has the closure clamp plate, the closure clamp plate is located directly over the logical liquid open-ended.
Preferably, the display tube mechanism is including inlaying the transparent display section of thick bamboo of establishing to install the upper surface position that is located pressure cavity directly over in the secondary side storehouse body, and transparent display section of thick bamboo and the inside cavity intercommunication of pressure cavity, the inside of transparent display section of thick bamboo is close to lower surface position fixed mounting and has spacing fender ring, the inside top slidable mounting that is located spacing fender ring of transparent display section of thick bamboo has sealed sliding pad.
Preferably, the lateral wall surface of sealed sliding pad is sealed with the inside surface contact of transparent display section of thick bamboo, the lateral wall surface intermediate position of sealed sliding pad inlays to establish and installs the indicator interlayer, the inside top that is located sealed sliding pad of transparent display section of thick bamboo is provided with the pressure spring that resets, the surface position of transparent display section of thick bamboo is provided with the indication scale.
Preferably, a valve base is fixedly mounted on the lower surface of the main valve body of the valve, a fixing bolt is inserted into the fixing valve base, and a clamping nut is spirally mounted on the outer surface of the fixing bolt above the fixing valve base.
Preferably, the inside interlude of valve connecting pipe is equipped with the valve and revolves the post, the outer surface position cover of valve revolves the post is established and is installed fixed cover soon, the outer surface position fixed mounting who fixed cover soon has the connecting rod, the other end fixed mounting of connecting rod has the hand wheel rim, the inboard fixed mounting of hand wheel rim has anti-skidding arc protruding, the one end surface position fixed mounting who goes out the liquid pipeline has the ring flange, and a side surface position fixed mounting of ring flange has sealed protruding circle, the screw hole has been seted up to a side surface of ring flange, go out the liquid pipeline with feed liquor pipeline end structure is the same.
Compared with the prior art, the invention has the beneficial effects that:
through the arranged secondary pressure valve mechanism, the pressure cavity can be sealed for the second time after the main valve body of the valve is closed, so that the main valve body of the valve and the secondary pressure valve mechanism jointly seal the pressure cavity, and the internal pressure of the pressure cavity can be increased when the main valve body of the valve is not closed tightly and weak leakage occurs;
through the arranged display tube mechanism, when the internal pressure of the pressure cavity is increased, the internal pressure of the pressure cavity is utilized to push the sealing sliding pad to move upwards, and the indicating line interlayer is matched with the indicating scale to visually display the position variation;
the two cooperate, can monitor the condition of closing of the valve main valve body, close not tight when the valve main valve body, appear faintly when revealing, sealed sliding pad shifts up to show the change amount through the indicatrix intermediate layer with the instruction scale, thereby be convenient for examine the trace of the valve main valve body and reveal, improve valve sensitivity and use guarantee nature.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a front sectional view of the present invention;
FIG. 5 is an enlarged view of area A in FIG. 4;
fig. 6 is a schematic view of the overall structure of the present invention.
In the figure: 1. a valve main valve body; 2. fixing a valve seat; 3. a valve connecting pipe; 4. a liquid inlet pipeline; 5. a secondary square cabin body; 6. a liquid outlet pipeline; 501. a pressure chamber; 502. sealing the cavity; 503. dividing the wall plate; 504. opening for liquid flowing; 505. a nut fixing block; 506. an internally threaded through bore; 507. an externally threaded post; 508. fixing a hand wheel; 509. limiting and sealing the square tube; 510. rotating the fixture block; 511. matching with a card holder; 512. a fixture block limiting cavity; 513. sealing and pressing the block; 514. a sealant strip groove; 515. contacting the sealing rubber strip; 516. closing the pressing plate; 517. a transparent display tube; 518. a limit stop ring; 519. sealing the sliding pad; 520. an indicator line interlayer; 521. resetting the pressure spring; 522. indicating scales; 101. a valve base; 201. fixing the bolt; 202. clamping the nut; 301. a valve rotary column; 302. fixing the rotary sleeve; 303. a connecting rod; 304. a hand rim; 305. anti-skid arc convex; 601. a flange plate; 602. sealing the convex ring; 603. screw holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: the utility model provides a totally closed high temperature and high pressure resistant oil production valve, including the valve main valve body 1, the upper surface position fixed mounting of the valve main valve body 1 has fixed valve seat 2, the upper surface position fixed mounting of fixed valve seat 2 has valve connecting pipe 3, a side surface position fixed mounting of the valve main valve body 1 has inlet conduit 4, another side surface position fixed mounting of the valve main valve body 1 has secondary side storehouse body 5, a side surface position fixed mounting of secondary side storehouse body 5 has outlet conduit 6, the inside of secondary side storehouse body 5 is provided with pressure cavity 501 and seal chamber 502, the inside of seal chamber 502 is provided with the second grade pressure valve mechanism that has the rotary seal function, the upper surface position of pressure cavity 501 inlays to establish and installs the display tube mechanism that has the telescopic function.
A separation wall plate 503 is fixedly arranged between the pressure cavity 501 and the seal cavity 502 in the secondary square cabin body 5, the separation wall plate 503 and the inner surface of the secondary square cabin body 5 can be fixed in a welding mode, and a liquid through opening 504 is formed in the surface of the separation wall plate 503.
The secondary pressure valve mechanism comprises a nut fixing block 505 fixedly arranged on the upper surface of the secondary square cabin body 5, an internal thread through hole 506 is formed in the upper surface of the nut fixing block 505, the nut fixing block 505 and the upper surface of the secondary square cabin body 5 can be fixed in a welding or integrated forming mode, an external thread column 507 is spirally inserted into the internal thread through hole 506, and a fixing hand wheel 508 is fixedly arranged on the upper end surface of the external thread column 507; a limiting sealing square tube 509 is fixedly arranged at the position of the upper surface of the inner part of the secondary square cabin body 5 under the nut fixing block 505, the limiting sealing square tube 509 is in a square tube shape, a rotating fixture block 510 is fixedly arranged at the position of the lower end surface of the external threaded column 507, a matching fixture block 511 is arranged in the limiting sealing square tube 509, a fixture block limiting cavity 512 is arranged in the matching fixture block 511, the rotating fixture block 510 is arranged in the fixture block limiting cavity 512, the rotating fixture block 510 can rotate relative to the matching fixture block 511 and can drive the matching fixture block 511 to move up and down, a sealing pressing block 513 is fixedly arranged at the position of the lower surface of the matching fixture block 511, the lower surface of the matching fixture block 511 and the sealing pressing block 513 can be fixed in a welding mode, the sealing pressing block 513 is in a square strip shape and is adaptive to the cross section shape of the inner part of the limiting sealing square tube 509, and a sealing strip groove 514 is arranged at the outer surface position of the sealing pressing block 513, contact joint strip 515 is installed to the inside cover of sealed adhesive tape groove 514, sealed adhesive tape groove 514 all is square ring shape with contact joint strip 515, sealed adhesive tape groove 514 encircles the lateral wall that sets up at seal pressing block 513, contact joint strip 515 is established in sealed adhesive tape groove 514's inside, and the surface lateral wall is sealed with the inner wall surface contact of spacing sealed side pipe 509, the lower surface position fixed mounting of seal pressing block 513 has sealed clamp plate 516, seal clamp plate 516 can be fixed through the welded mode with seal pressing block 513's lower surface, seal clamp plate 516 is located logical liquid opening 504 directly over, seal clamp plate 516 corresponds each other with the size and the shape of leading to liquid opening 504, seal clamp plate 516 pushes down and can block up logical liquid opening 504 and seal.
The display tube mechanism comprises a transparent display tube 517 which is embedded and arranged on the upper surface of the secondary square cabin body 5 and is positioned right above the pressure cavity 501, the transparent display tube 517 is made of transparent materials, such as glass, the transparent display tube 517 is communicated with the internal cavity of the pressure cavity 501, a limit stop ring 518 is fixedly arranged in the transparent display tube 517 and is close to the lower surface, the limit stop ring 518 can be integrally formed with the transparent display tube 517 or can be fixedly adhered to the inner wall of the transparent display tube 517 through glue, and a sealing sliding pad 519 is slidably arranged in the transparent display tube 517 and is positioned above the limit stop ring 518; the side wall surface of the sealing sliding pad 519 is in contact sealing with the inner surface of the transparent display cylinder 517, an indication line interlayer 520 is embedded in the middle position of the side wall surface of the sealing sliding pad 519, the indication line interlayer 520 can be a horizontal transverse line made of red or other strong color, the height of the indication line interlayer 520 can be observed through the transparent display cylinder 517, a reset pressure spring 521 is arranged above the sealing sliding pad 519 in the transparent display cylinder 517, an indication scale 522 is arranged on the outer surface of the transparent display cylinder 517, the indication scale 522 can be a scale parameter etched on the outer surface of the transparent display cylinder 517, the indication line interlayer 520 can be matched with the indication line interlayer 520, and the position height of the indication line interlayer 520 is displayed.
The lower surface of the valve main valve body 1 is fixedly provided with a valve base 101, the inside of the fixed valve base 2 is inserted with a fixed bolt 201, and the outer surface of the fixed bolt 201 is positioned above the fixed valve base 2 and is spirally provided with a clamping nut 202; the valve connecting pipe 3 is internally inserted with a valve rotary column 301, a fixed rotary sleeve 302 is sleeved on the outer surface of the valve rotary column 301, the fixed rotary sleeve 302 and the valve rotary column 301 are fixed in an interference fit mode, a connecting rod 303 is fixedly installed on the outer surface of the fixed rotary sleeve 302, a hand wheel ring 304 is fixedly installed at the other end of the connecting rod 303, the fixed rotary sleeve 302, the connecting rod 303 and the hand wheel ring 304 are fixed in a welding mode, an anti-sliding arc convex 305 is fixedly installed on the inner side of the hand wheel ring 304, the anti-sliding arc convex 305 and the hand wheel ring 304 are integrally formed, a flange plate 601 is fixedly installed on the surface of one end of the liquid outlet pipe 6, a sealing convex ring 602 is fixedly installed on the surface of one side of the flange plate 601, a screw hole 603 is formed in the surface of one side of the flange plate 601, and the end of the liquid outlet pipe 6 is identical to the end of the liquid inlet pipe 4.
The working principle is as follows: when the oil extraction valve is used, a liquid inlet pipeline 4 is connected with a positive pressure liquid conveying pipeline, a liquid outlet pipeline 6 is connected with an external liquid receiving pipeline, a main valve body 1 of the valve is closed firstly, then a fixed hand wheel 508 is rotated to enable an external thread column 507 to rotate and move downwards, the external thread column 507 presses a movable sealing pressing block 513 and a sealing pressing plate 516 downwards to move downwards, and finally the sealing pressing plate 516 is pressed above a liquid through opening 504 to block and seal the liquid through opening 504, at the moment, the sealing pressing plate 516 is matched with the main valve body 1 to jointly seal a pressure cavity 501, so that the pressure cavity 501 is in a sealed state, when the main valve body 1 of the valve slightly leaks, the pressure in the pressure cavity 501 gradually rises, the pressure in the pressure cavity 501 pushes a sealing sliding pad 519 to move upwards, and because a transparent display cylinder 517 is made of a transparent material, the displacement amplitude of an indication line interlayer 520 relative to an indication scale 522 can be observed, compare the initial position of indicateing line intermediate layer 520 and instruction scale 522 with the position during later stage inspection, whether can reach valve main valve body 1 and leak, and the leakage condition, the later stage inspection maintenance of being convenient for, when the valve main valve body 1 is opened to needs, at first will open second grade pressure valve mechanism, then open valve main valve body 1 again, rotatory fixed hand wheel 508, it shifts up to seal clamp plate 516, pressure cavity 501 loses sealedly, the pressure of sealed sliding pad 519 lower surface disappears, sealed sliding pad 519 can reset under the effect of the inside atmospheric pressure of pressure spring 521 and transparent display section of thick bamboo 517 that resets, be convenient for next use circulation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a totally closed high temperature and high pressure resistant oil recovery valve, includes the valve main valve body, the upper surface position fixed mounting of the valve main valve body has the fixed valve seat, the upper surface position fixed mounting of fixed valve seat has the valve to be managed even, a side surface position fixed mounting of the valve main valve body has inlet conduit, its characterized in that: the utility model discloses a hydraulic pressure display device, including valve main valve body, secondary side square storehouse body, liquid outlet pipe, pressure cavity and seal chamber, the secondary side square storehouse body is fixedly installed to another side surface position of valve main valve body, one side surface position fixed mounting of secondary side square storehouse body has the liquid outlet pipe, the inside in secondary side square storehouse body is provided with pressure cavity and seal chamber, seal chamber's inside is provided with the second grade that has the rotary seal function and presses the valve mechanism, the upper surface position of pressure cavity inlays to establish and installs the display tube mechanism that has flexible function.
2. The totally-enclosed high-temperature and high-pressure resistant oil extraction valve according to claim 1, characterized in that: and a separation wall plate is fixedly arranged between the pressure cavity and the seal cavity in the secondary square cabin body, and a liquid through opening is formed in the surface of the separation wall plate.
3. The totally-enclosed high-temperature and high-pressure resistant oil extraction valve according to claim 1, characterized in that: the secondary pressure valve mechanism comprises a nut fixing block fixedly installed on the upper surface of the secondary square cabin body, an internal thread through hole is formed in the upper surface of the nut fixing block, an external thread column is arranged in the internal thread through hole in a threaded penetrating mode, and a fixed hand wheel is fixedly installed on the upper end surface of the external thread column.
4. The totally-enclosed high-temperature and high-pressure resistant oil extraction valve according to claim 3, characterized in that: the inside upper surface position of the secondary side storehouse body is located under the nut fixed block fixed mounting and is had spacing sealed square pipe, the lower extreme surface position fixed mounting of external screw thread post has rotatory fixture block, the inside of spacing sealed square pipe is provided with the cooperation cassette, and the inside of cooperation cassette has seted up the spacing chamber of fixture block, rotatory fixture block is located the spacing intracavity portion of fixture block, the lower surface position fixed mounting of cooperation cassette has sealed briquetting, and the surface position of sealed briquetting has seted up sealed adhesive tape groove, the inside cover in sealed adhesive tape groove is established and is installed the contact joint strip, the lower surface position fixed mounting of sealed briquetting has the closure clamp plate, the closure clamp plate is located directly over the logical liquid open-ended.
5. The totally-enclosed high-temperature and high-pressure resistant oil extraction valve according to claim 1, characterized in that: the display tube mechanism comprises a transparent display tube which is arranged right above a pressure cavity body and is embedded in the upper surface position of the secondary side bin body, the transparent display tube is communicated with the inner cavity body of the pressure cavity body, a limiting blocking ring is fixedly arranged in the transparent display tube close to the lower surface position, and a sealing sliding pad is arranged above the limiting blocking ring in the transparent display tube in a sliding mode.
6. The totally-enclosed high-temperature and high-pressure resistant oil extraction valve according to claim 5, characterized in that: the lateral wall surface of sealed sliding pad is sealed with the inside surface contact of transparent display section of thick bamboo, the lateral wall surface intermediate position of sealed sliding pad inlays to establish and installs the indicator line intermediate layer, the inside top that is located sealed sliding pad of transparent display section of thick bamboo is provided with the pressure spring that resets, the surface position of transparent display section of thick bamboo is provided with the instruction scale.
7. The totally-enclosed high-temperature and high-pressure resistant oil extraction valve according to claim 1, characterized in that: the lower surface position fixed mounting of valve main valve body has the valve base, the inside interlude of fixed valve seat is equipped with fixing bolt, fixing bolt's surface position is located the top spiral of fixed valve seat and is installed clamping nut.
8. The totally-enclosed high-temperature and high-pressure resistant oil extraction valve according to claim 1, characterized in that: the inside interlude of valve connecting pipe is equipped with the valve and revolves the post, the outer surface position cover of valve revolves the post is established and is installed fixed cover soon, the outer surface position fixed mounting who fixed cover soon has the connecting rod, the other end fixed mounting of connecting rod has the hand wheel rim, the inboard fixed mounting of hand wheel rim has anti-skidding arc protruding, the one end surface position fixed mounting who goes out the liquid pipeline has the ring flange, and one side surface position fixed mounting of ring flange has sealed protruding circle, the screw hole has been seted up to a side surface of ring flange, go out the liquid pipeline with feed liquor pipeline end structure is the same.
CN202111142767.4A 2021-09-28 2021-09-28 Totally-enclosed high-temperature and high-pressure resistant oil production valve Pending CN114001196A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111142767.4A CN114001196A (en) 2021-09-28 2021-09-28 Totally-enclosed high-temperature and high-pressure resistant oil production valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111142767.4A CN114001196A (en) 2021-09-28 2021-09-28 Totally-enclosed high-temperature and high-pressure resistant oil production valve

Publications (1)

Publication Number Publication Date
CN114001196A true CN114001196A (en) 2022-02-01

Family

ID=79921837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111142767.4A Pending CN114001196A (en) 2021-09-28 2021-09-28 Totally-enclosed high-temperature and high-pressure resistant oil production valve

Country Status (1)

Country Link
CN (1) CN114001196A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118601517A (en) * 2024-08-02 2024-09-06 九通集团有限公司 A multi-channel oil well valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2044304U (en) * 1988-10-14 1989-09-13 邓文郁 Double controlled water saving valve
CN201992140U (en) * 2011-05-11 2011-09-28 长岭炼化岳阳工程设计有限公司 Dual-valve structured high-pressure socket-welded gate valve
CN205956526U (en) * 2016-08-08 2017-02-15 湖南佳一电力科技开发有限公司 Overcritical superhard sealed combination valve
US20190226592A1 (en) * 2018-01-25 2019-07-25 Honeywell International Inc. Double block and bleed valve with flex bypass for effective and efficient system isolation
CN112178212A (en) * 2020-09-16 2021-01-05 杨静 Lateral pressing type valve for gas field

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2044304U (en) * 1988-10-14 1989-09-13 邓文郁 Double controlled water saving valve
CN201992140U (en) * 2011-05-11 2011-09-28 长岭炼化岳阳工程设计有限公司 Dual-valve structured high-pressure socket-welded gate valve
CN205956526U (en) * 2016-08-08 2017-02-15 湖南佳一电力科技开发有限公司 Overcritical superhard sealed combination valve
US20190226592A1 (en) * 2018-01-25 2019-07-25 Honeywell International Inc. Double block and bleed valve with flex bypass for effective and efficient system isolation
CN112178212A (en) * 2020-09-16 2021-01-05 杨静 Lateral pressing type valve for gas field

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118601517A (en) * 2024-08-02 2024-09-06 九通集团有限公司 A multi-channel oil well valve

Similar Documents

Publication Publication Date Title
CN114001196A (en) Totally-enclosed high-temperature and high-pressure resistant oil production valve
CN114738507A (en) Prevent leaking gate valve with double partition valve plate
CN213746177U (en) Chemical industry equipment is with preventing leaking detection device
US7837176B2 (en) Dual chamber orifice fitting plate support
CN101813198B (en) Dynamic sealing gas gate valve
CN111237475A (en) Lockable valve and locking method
CN212717233U (en) Explosion-proof device of slurry pump
CN221196310U (en) Plunger stop valve capable of detecting medium pressure value
CN209764329U (en) Piston type pressure gauge anti-freezing joint
CN217442797U (en) Seal gasket performance detection device
CN102175401A (en) Detecting device for air tightness test of oil box
CN207570718U (en) Antifreezing joint for pressure gauge
CN215722521U (en) Clamping and sealing tool for pressure container detection
CN213544198U (en) Pressure pipeline detection device
CN211202913U (en) Control device of emergency cut-off valve
CN219639449U (en) Anti-scouring stop valve with double sealing effect
CN208520434U (en) Liquid level meter
CN202091525U (en) Multifunctional pressure gauge valve
CN201540208U (en) Testing device for portable tank high-pressure safety valve
CN205424263U (en) Formula leaking stoppage ware is crowded to hydraulic ram
CN221257676U (en) Sealing valve
CN223832285U (en) Bromine safety dosing system
CN221376928U (en) Assembled hydrant pressure measurement connects
CN216483783U (en) Valve air tightness detection device
CN201739542U (en) Dynamic sealing coal gas gate valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20220201

RJ01 Rejection of invention patent application after publication