CN205715726U - A kind of silting blocking mud valve - Google Patents
A kind of silting blocking mud valve Download PDFInfo
- 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
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- flashboard
- valve
- sealing
- mud
- hole
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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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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)
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CN205715726U true CN205715726U (en) | 2016-11-23 |
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Family Applications (1)
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CN201620573895.2U Active CN205715726U (en) | 2016-06-13 | 2016-06-13 | A kind of silting blocking mud valve |
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CN (1) | CN205715726U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019190328A1 (en) * | 2018-03-29 | 2019-10-03 | Mhwirth As | Valve assemblies and associated components |
-
2016
- 2016-06-13 CN CN201620573895.2U patent/CN205715726U/en active Active
Cited By (2)
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 |
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