CN205715726U - A kind of silting blocking mud valve - Google Patents

A kind of silting blocking mud valve Download PDF

Info

Publication number
CN205715726U
CN205715726U CN201620573895.2U CN201620573895U CN205715726U CN 205715726 U CN205715726 U CN 205715726U CN 201620573895 U CN201620573895 U CN 201620573895U CN 205715726 U CN205715726 U CN 205715726U
Authority
CN
China
Prior art keywords
flashboard
valve
sealing
mud
hole
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
CN201620573895.2U
Other languages
Chinese (zh)
Inventor
徐中辉
罗连中
祁立康
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 YIDELONG PETROLEUM MACHINERY CO Ltd
Original Assignee
JIANGSU YIDELONG PETROLEUM MACHINERY 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 JIANGSU YIDELONG PETROLEUM MACHINERY CO Ltd filed Critical JIANGSU YIDELONG PETROLEUM MACHINERY CO Ltd
Priority to CN201620573895.2U priority Critical patent/CN205715726U/en
Application granted granted Critical
Publication of CN205715726U publication Critical patent/CN205715726U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Sliding Valves (AREA)

Abstract

During traditional mud valve flashboard descending closing passage flow duct, mud can be brought in the tolerant space of flashboard bottom, cause accumulation of mud to block.A kind of silting blocking mud valve that this utility model provides, it is respectively provided with a sealing baffle in flashboard both sides, and make the face of sealing against each other, when flashboard comes downwards to extreme position, through hole on flashboard is completely enclosed by sealing baffle all the time, so that flashboard is enclosed in the sealing surface of two sealing baffles all the time cutting out the mud of entrained with during valve fluid passage, plays and prevent mud from flowing in the tolerant space that flashboard is descending, it is to avoid mud silting;Even if this utility model has a small amount of mud to flow in the tolerant space of flashboard bottom, access water pipe also by removal plug, from water inlet flushing hole, tolerant space is rinsed in time, play and remove mud in time, prevent the effect of mud silting.

Description

A kind of silting blocking mud valve
Technical field
This utility model relates to the mud valve in a kind of oil drilling manifold, a kind of mud valve anti-mud silting Structure, belongs to valve design and manufacturing technology field, oil field.
Background technology
In oil gas field wellhead assembly and production tree, mud valve is the pipeline control device of a kind of conventional indispensability, mainly uses In the blood circulation of the circulation of oil field Drilling Control mud and closedown.The operation principle of Conventional mud valve is: by conversion flashboard With the open and close that the relative position between valve seat realizes valve.Its structure is: flashboard is cuboid, and cuboid is provided with phase Two the most parallel sealing surfaces, its upper end is connected with valve rod, and middle part is provided with the circular hole being perpendicular to two sealing surfaces;Valve seat is two, its It is closely attached to respectively on two sealing surfaces of flashboard, is valve when through flow hole on the descending closed valve seat of the entity part on flashboard top Guan Bi;It it is the standard-sized sheet of valve when the circular hole exercising middle part on flashboard overlaps with the through flow hole on valve seat.The mud of this spline structure There is following drawback in actual use in slurry valve: owing to the Guan Bi of gate valve is the descending realization by flashboard, therefore, at the bottom of valve body Portion must leave the space making flashboard descending, and whenever the descending closing gate valve of flashboard once, the circular hole in flashboard will be by one Divide mud to bring in this space, make the mud sediment silted land in gate valve.When gate valve normally uses, the mud of alluvial In the pasty state, the most do not constitute the descending obstacle of flashboard, and when gate valve is interrupted and does not uses, this part mud will be dried hardening, blocking Flashboard downlink spatial, has a strong impact on the normal work of flashboard, makes valve not have closing function.Therefore, this mud valve exists Technical deficiency.
Summary of the invention
The purpose of this utility model is to provide a kind of silting blocking mud valve, makes up and has mud silt inside Conventional mud valve Long-pending, hinder the technical deficiency that flashboard is descending.
This utility model takes techniques below scheme to implement: a kind of silting blocking mud valve, including a valve body, two valve seats, one Flashboard, a bottom flange, two sealing baffles and two wave springs;Being provided with valve pocket in described valve body, valve pocket both sides are turnover through flow hole: Two described valve seats are ring bodies, and it is respectively placed in the turnover through flow hole of valve pocket both sides, and and through flow hole between formed seal Coordinate;Two side planes of described flashboard are parallel to each other and are sealing surface, are provided with a through hole being perpendicular to two sealing surfaces, lock in the middle part of it Plate is positioned at valve pocket, is placed between valve seat, and when the ring-type through flow hole on the descending closed valve seat of entity part on flashboard top Time be the Guan Bi of valve, be the standard-sized sheet of valve when the through hole exercising middle part on flashboard overlaps with the ring-type through flow hole on valve seat; Described bottom flange is connected to the lower end of valve body, be provided with the tolerant space descending for flashboard between the two;Described two sealing baffles its In be respectively arranged with one side for sealing plane, and be respectively provided with a mating holes, it is characterised in that:
Mating holes on described two sealing baffles constitutes sealing with the external diameter of two ring bodies valve seats respectively and coordinates, and makes each Sealing plane is relative with the sealing surface of flashboard both sides respectively;
Each one side of described two wave springs bears against the non-tight plane of two sealing baffles, and another side is against valve Body, makes the sealing surface respectively with flashboard both sides of the sealing plane on two sealing baffles be close to;
When ring-type through flow hole on the descending closed valve seat of described flashboard is to extreme position, the through hole on flashboard is still sealed by two Baffle plate completely encloses.
Further, the wall portion in the tolerant space of described bottom flange is provided with a water inlet flushing hole and a water outlet flushing hole and two Plug it is respectively equipped with on hole.
Further, flush out water hole described in and be positioned at the bottom being flushed into water hole.
The respective one side of two sealing baffles that the flashboard both sides in Conventional mud valve are set up by this utility model with the design Constitute the face that seals against each other, and make the external diameter of tradition valve seat coordinate, even and if making flashboard with the mating holes formation sealing of sealing baffle Go downwards to its through hole during extreme position still completely enclosed by sealing baffle, it is achieved thereby that following favorable attributes: 1, flashboard is descending Make valve body through flow hole from large to small until during Wan Quanfengbi, the mud of entrained with is sealed gear by two all the time in flashboard through hole The sealing surface of plate is closed, it is thus possible to prevent mud from flowing in the descending tolerant space of flashboard, it is to avoid mud silting;2, set Count scientific and reasonable, simple for structure, on the basis of not increasing how many costs, it is possible to reach ideal effect.
Accompanying drawing explanation
Accompanying drawing 1 is main sectional structure schematic diagram of the present utility model;
Accompanying drawing 2 is I part-structure removal enlarged drawing in accompanying drawing 1.
In accompanying drawing 1,2: 1 be valve body, 2 and 2 ' be valve seat, 3 and 3 ' be wave spring, 4 and 4 ' be sealing baffle, 5 for lock Plate, 6 and 6 ' be plug, 7 for bottom flange, A be tolerant space, a be water outlet flushing hole for water inlet flushing hole, b.
Detailed description of the invention
As shown in accompanying drawing 1,2, being provided with valve pocket in valve body 1, valve pocket both sides are for turnover through flow hole: valve seat 2 and 2 ' is ring bodies, It is respectively placed in the turnover through flow hole of valve pocket both sides, and coordinates with being formed between through flow hole to seal;Two side plane phases of flashboard 5 The most parallel and be sealing surface, it is provided with a through hole being perpendicular to two sealing surfaces in the middle part of it, flashboard 5 is positioned at valve pocket, is placed in valve seat 2 And between 2 ', and it is closing of valve when ring-type through flow hole on the descending closed valve seat of entity part 2 and 2 ' on flashboard 5 top Close, be the standard-sized sheet of valve when the through hole exercising middle part on flashboard 5 overlaps with the ring-type through flow hole on valve seat 2 and 2 ';Bottom flange 7 It is connected to the lower end of valve body 1, be provided with the tolerant space A descending for flashboard 5 between the two;Two sealing baffles 4 and 4 ' are wherein respectively arranged with One side is sealing plane, and is respectively provided with a mating holes, and it constitutes sealing with the external diameter of two ring bodies valve seats 2 and 2 ' respectively and coordinates, And make respective sealing plane relative with the sealing surface of flashboard 5 both sides respectively;Each one side of two wave springs 3 and 3 ' bears against The non-tight plane of two sealing baffles 4 and 4 ', another side, against valve body 1, makes the sealing plane on two sealing baffles 4 and 4 ' respectively It is close to the sealing surface of flashboard 5 both sides;When ring-type through flow hole on the descending closed valve seat of flashboard 52 and 2 ' is to extreme position, flashboard Through hole on 5 is still completely enclosed by two sealing baffles 4 and 4 ';A wall portion, tolerant space in bottom flange 7 is provided with a water inlet flushing hole An a and water outlet flushing hole b, and in holes, it is respectively equipped with plug 6 and 6 '.
Each one side composition of the both sides of flashboard 5 with two sealing baffles 4 and 4 ' is sealed against each other face by this utility model, and makes The external diameter of valve seat 2 and 2 ' is formed to seal with the mating holes of sealing baffle 4 and 4 ' respectively and coordinates, even and if making flashboard 5 go downwards to pole During extreme position, its through hole is still completely enclosed by sealing baffle 4 and 4 ', thus the mud of entrained with in flashboard 5 through hole can be made to seal all the time Close in the sealing surface of two sealing baffles 4 and 4 ', play the effect preventing mud from flowing in the descending tolerant space A of flashboard 5, it is to avoid Mud silting.
Even if this utility model has a small amount of mud to flow in tolerant space A, it is possible to access water by removal plug 6 and 6 ' Pipe, is rinsed tolerant space A from water inlet flushing hole a, and the slurry mixture after flushing flows out from water outlet flushing hole b, cleans After block plug 6 and 6 '.

Claims (3)

1. a silting blocking mud valve, including a valve body, two valve seats, a flashboard, a bottom flange, two sealing baffles and two wave bullets Spring;Being provided with valve pocket in described valve body, valve pocket both sides are turnover through flow hole: two described valve seats are ring bodies, and it is respectively placed in valve In the turnover through flow hole of both sides, chamber, and coordinate with being formed between through flow hole to seal;Two side planes of described flashboard be parallel to each other and For sealing surface, being provided with a through hole being perpendicular to two sealing surfaces in the middle part of it, flashboard is positioned at valve pocket, is placed between valve seat, and works as It is the Guan Bi of valve during ring-type through flow hole on the descending closed valve seat of entity part on flashboard top, in the middle part of exercising on flashboard Through hole is the standard-sized sheet of valve when overlapping with the ring-type through flow hole on valve seat;Described bottom flange is connected to the lower end of valve body, both it Between be provided with for the descending tolerant space of flashboard;Described two sealing baffles are wherein respectively arranged with one side for sealing plane, and are respectively provided with one and join Close hole, it is characterised in that:
Mating holes on described two sealing baffles constitutes sealing with the external diameter of two ring bodies valve seats respectively and coordinates, and makes each self sealss Plane is relative with the sealing surface of flashboard both sides respectively;
Each one side of described two wave springs bears against the non-tight plane of two sealing baffles, and another side, against valve body, makes Sealing plane on two sealing baffles sealing surface with flashboard both sides respectively is close to;
When ring-type through flow hole on the descending closed valve seat of described flashboard is to extreme position, the through hole on flashboard is still by two sealing baffles Completely enclosed.
A kind of silting blocking mud valve the most according to claim 1, it is characterised in that the wall portion in the tolerant space of described bottom flange It is provided with a water inlet flushing hole and a water outlet flushing hole and in holes, is respectively equipped with plug.
A kind of silting blocking mud valve the most according to claim 2, it is characterised in that described in flush out water hole and be positioned at and be flushed into The bottom in water hole.
CN201620573895.2U 2016-06-13 2016-06-13 A kind of silting blocking mud valve Active CN205715726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620573895.2U CN205715726U (en) 2016-06-13 2016-06-13 A kind of silting blocking mud valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620573895.2U CN205715726U (en) 2016-06-13 2016-06-13 A kind of silting blocking mud valve

Publications (1)

Publication Number Publication Date
CN205715726U true CN205715726U (en) 2016-11-23

Family

ID=57306538

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620573895.2U Active CN205715726U (en) 2016-06-13 2016-06-13 A kind of silting blocking mud valve

Country Status (1)

Country Link
CN (1) CN205715726U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019190328A1 (en) * 2018-03-29 2019-10-03 Mhwirth As Valve assemblies and associated components

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019190328A1 (en) * 2018-03-29 2019-10-03 Mhwirth As Valve assemblies and associated components
US11512783B2 (en) 2018-03-29 2022-11-29 Hydril USA Distribution LLC Valve assemblies and associated components

Similar Documents

Publication Publication Date Title
CN205806509U (en) The throttling stop valve of multi-level control structure
CN205715726U (en) A kind of silting blocking mud valve
CN205089284U (en) Water injection string bottom sand setting single current valve
CN206246713U (en) High-performance abrasion-proof control type ball valve
CN208966312U (en) Reversible steam injection pipe column
CN204004455U (en) A kind of maze-type structure for modulating valve
CN205743852U (en) A kind of sand control gas wellhead equipment
CN102943886A (en) Gate valve with function of reducing cavitation damage of valve plate
CN205154608U (en) Slush pump water filtering device
CN204922028U (en) Valve
CN209076163U (en) A kind of filter Self-sealing valve
CN215334541U (en) Pressure-reducing throttling blow-down valve
CN202466540U (en) Totally-closed steel dam gate
CN203614759U (en) Switch-type ceramic stop valve
CN215632893U (en) Well mouth watering combination valve of oil production well
CN203202317U (en) No-load running check valve
CN210265931U (en) Double-sealing-surface valve sealing pair, double-sealing-surface valve and steam turbine bypass system
CN202706959U (en) Gate valve capable of preventing slurries from depositing
CN210266007U (en) Full-closed position soft water control valve
CN207034223U (en) A kind of quick action emergency valve seals auxiliary structure
CN202202377U (en) Water saving device
CN202181596U (en) Cleaning injecting water-saving device
CN202577518U (en) Parallel type bivalve device and toilet stool
CN205841858U (en) A kind of floatable two pass single-pass water valve
CN206246747U (en) A kind of baffle-type high pressure pipe joint check valve

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant