CN208431398U - A kind of mud valve - Google Patents

A kind of mud valve Download PDF

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Publication number
CN208431398U
CN208431398U CN201821005223.7U CN201821005223U CN208431398U CN 208431398 U CN208431398 U CN 208431398U CN 201821005223 U CN201821005223 U CN 201821005223U CN 208431398 U CN208431398 U CN 208431398U
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China
Prior art keywords
flap
valve
valve rod
gland
installation groove
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Application number
CN201821005223.7U
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Chinese (zh)
Inventor
吴文福
叶志权
李绍海
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Kai Valve Holdings Group Ltd
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Kai Valve Holdings Group Ltd
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Priority to CN201821005223.7U priority Critical patent/CN208431398U/en
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Publication of CN208431398U publication Critical patent/CN208431398U/en
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Abstract

The utility model relates to a kind of mud valves, including valve body, valve seat, flap, valve rod and driving device, the flap includes the flap ontology of a taper type, there is the installation groove for accommodating valve rod lower end on the upper surface of the flap ontology, the lower end of the valve rod is fixed on flap ontology by a flap gland, the flap gland is socketed on valve rod and is threadedly coupled with the installation groove on flap ontology, the lower end of the valve rod has the flange for preventing valve rod from deviating from from flap gland, and the flap disassembly to solve the problems, such as existing mud valve is difficult.

Description

A kind of mud valve
Technical field
The utility model relates to valve fields, are specifically related to a kind of mud valve.
Background technique
In oil gas field wellhead assembly and mine, mud valve is a kind of pipeline control device of common indispensability, is mainly used for In the circulation of oil field Drilling Control mud and the circulatory system closed.Due to containing silt and Hard Inclusion and sulfur-bearing object in underground medium Matter is washed away and is corroded to spool and valve seat in the movement of fluid, causes spool and the prooving of valve seat and corrosion very fast, and when closing has Leakage phenomenon, it is often necessary to replace, the flap and valve rod of existing mud valve are generally by welding or the mode of key connection Realize that it is fixedly connected, therefore the flap worn when replacing spool is not easy to disassemble, can only replace flap and valve rod simultaneously, this Increase its cost.
Utility model content
The utility model is intended to provide a kind of mud valve, and the flap disassembly to solve the problems, such as existing mud valve is difficult.
Concrete scheme is as follows:
A kind of mud valve, including valve body, valve seat, flap, valve rod and driving device, the valve body have logical for fluid media (medium) The medium channel crossed, the valve seat are directly integrally formed with valve body and are obtained, and are located at the middle part of medium channel, the valve rod Lower end passes through valve body and is fixedly connected with the intracorporal flap of valve, and the driving device and valve rod are drivingly connected, to control flap With the closure of valve seat or separate, the flap includes the flap ontology of a taper type, has on the upper surface of the flap ontology and uses In the installation groove for accommodating valve rod lower end, the lower end of the valve rod is fixed on flap ontology by a flap gland, the valve Valve gland is socketed on valve rod and is threadedly coupled with the installation groove on flap ontology, and the lower end of the valve rod has and prevents The flange that valve rod is deviate from from flap gland.
Further, it is also lined with rubber sleeve on the flap ontology, which will all wrap outside the outer surface of flap ontology It covers, and there is relief hole corresponding with installation groove.
It further, further include a rubber jacket gland, there is the lower end for valve rod to pass through at the middle part of the rubber jacket gland Through-hole, there is the first screw thread being threadedly coupled with flap gland, the rubber jacket gland also has one on the inner wall of the through-hole With through-hole be coaxially disposed and from the annular groove that rubber jacket gland bottom surface is up recessed, the inner sidewall of annular groove have with Second screw thread of installation groove bolt, the lower end of the rubber jacket gland have the wing plate extended outward, the bottom of the wing plate Face is pushed down by the rubber sleeve for being located at installation groove side.
Further, the bottom surface of the wing plate also has the ring rib for being fitted around groove, has on the rubber sleeve The annular groove to match with the ring rib.
Further, the rubber sleeve has the annular relief positioned at installation groove side, when the rubber jacket gland spiral shell It connects when in installation groove, the annular relief is located in the annular groove.
Mud valve provided by the utility model has the advantage that mud provided by the utility model compared with prior art Starch and by flap gland realize that it is fixedly connected between the flap and valve rod of valve, the installation groove on flap gland and flap it Between be threadedly coupled, therefore be convenient for the flap installation and removal.
Detailed description of the invention
Fig. 1 shows the schematic diagram of mud valve.
Fig. 2 shows the enlarged drawings at A in Fig. 1.
Fig. 3 shows the schematic diagram of rubber jacket gland.
Specific embodiment
To further illustrate each embodiment, the utility model is provided with attached drawing.These attached drawings are in the utility model discloses A part of appearance mainly to illustrate embodiment, and can cooperate the associated description of specification former come the running for explaining embodiment Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and sheet are practical new The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
Now in conjunction with the drawings and specific embodiments, the present invention will be further described.
As depicted in figs. 1 and 2, the utility model provides a kind of mud valve, which includes valve body 1, valve seat 2, valve Valve 3, valve rod 4 and driving device 5, valve body 1 have the medium channel 10 passed through for fluid media (medium), and valve seat 2 is located at medium channel 10 Middle part, and directly cast together with valve body 1, be frustum shape by flap 3 in this present embodiment, thus valve seat 2 with The sealing surface of flap 3 is also the inversed taper platform shape to match with flap, and the lower end of the valve rod 4 passes through valve body 1 and and valve body Interior flap 3 is fixedly connected, and the sealing between valve rod 4 and valve body 1 can be realized by filler 6, the driving device 5 and valve Bar 4 is drivingly connected, to control flap 3 and the closure of valve seat 2 or separate, so that turning off or on for the mud valve is realized, in Fig. 1 The driving device 5 shown is handwheel, and but not limited to this, is also possible to that pneumatic, the automated drives such as surge, is electronic.
With reference to Fig. 1 and Fig. 2, the mud valve of the present embodiment and existing mud valve the difference is that between valve rod 4 and flap 3 Connection type it is different, the specifically flap 3 of the present embodiment flap ontology 30 that includes a taper type, the flap ontology 30 it is upper There is the installation groove 300 for accommodating 4 lower end of valve rod, the lower end of the valve rod 4 is fixed by a flap gland 7 on end face To flap ontology 30, which is a tubular structure, and middle part has the through-hole passed through for valve rod 4, can be socketed It can slide on valve rod 4 and on valve rod, the outer wall of flap gland 7 has external screw thread, enables 7 spiral shell of flap gland It connects in installation groove, realization flap gland 7 is fixedly connected with flap ontology 30, and the lower end of the valve rod 4 is with anti- The only flange 40 that valve rod 4 is deviate from from flap gland 7 enables flap ontology 30 to realize up and down direction with the rotation of valve rod On movement, to realize the opening and closing of valve.Need exist for it is clear that, the outer diameter of valve rod 4 is less than logical in the middle part of flap gland Hole, but the outer diameter of flange 40 is greater than the through-hole in the middle part of flap gland, when so that valve rod 4 lifting, valve rod 4 will not be from installation groove Deviate from 300, and in order to limit stroke when valve rod 4 pushes, a step-like limit is formed at the middle part of installation groove 300 Structure 302, so that flange 40 is located at the end face of the position limiting structure and the bottom surface of flap gland 7 is formed by space.And valve When bar 4 rotates, flap gland 7 can't rotate together with valve rod 4.
It is to be fixedly connected with valve rod 4 by flap gland 7 by flap ontology 30 in this present embodiment, and flap gland 7 are screwed on flap ontology 30, therefore when disassembly flap ontology 30, only need to screw out flap gland 7 out of installation groove 300 Flap ontology 30 can be disassembled, convenient for the replacement of flap ontology 30.
When practical practical, as flap ontology 30 be typically all made of hard metal material, and valve seat be also by Opposite grinding made of hard metal material, therefore between the two is easy to damage flap ontology 30 and valve seat, therefore existing one Meeting outer lining rubber on a little valve seats and/or flap, to realize soft seal, but the rubber of outer lining is typically all to pass through bonding glue sticking On valve seat and/or flap, in use since adhesive glue is the problems such as going bad, harden, usually there is rubber and fall off The case where, especially in the environment of sulphur-containing substance, this problem is more serious.Therefore the present embodiment additionally provides solution and is somebody's turn to do The embodiment of problem, specific as follows:
With reference to Fig. 1-Fig. 3, a rubber sleeve 8 is served as a contrast on the flap ontology 30, the rubber sleeve 8 is by the appearance of flap ontology 30 It is all enveloped outside face, and there is relief hole corresponding with installation groove 300, it, will since rubber sleeve 8 has certain elasticity Rubber sleeve 8, which is made, has inner cavity identical with 30 shape of flap ontology, and the size of inner cavity is identical or smaller as flap ontology 30 A bit, it is fixed on flap ontology 30 so that rubber sleeve 8 collects power by the elasticity of itself, fails so as to avoid because of adhesive glue The problem of causing rubber to fall off.
It further, further include a rubber jacket gland 9, there is the lower end for valve rod 4 to wear at the middle part of the rubber jacket gland 9 The through-hole 90 crossed has the first screw thread (not shown) being threadedly coupled with flap gland 7 on the inner wall of the through-hole 90, described The lower end of rubber jacket gland 9 has the wing plate 92 extended outward, and the bottom surface of the wing plate 92 will be located at 300 side of installation groove Rubber sleeve 8 is pushed down, to be further ensured that rubber sleeve 8 can be preferably fixed on flap ontology 30;Rubber jacket gland 9 also has one The annular groove 94 for being coaxially disposed with through-hole 90 and being up recessed from the bottom surface of rubber jacket gland 9, the inside of annular groove 94 There is the second screw thread (not shown) with 300 bolt of installation groove, i.e. rubber jacket gland 9 is screwed onto installation groove on wall On 300, and flap gland 7 is then screwed onto rubber jacket gland 9.
Referring to figs. 2 and 3, also there is the ring rib 920 for being fitted around groove 300, institute in the bottom surface of the wing plate 92 Stating has the annular groove to match with the ring rib 920 on rubber sleeve 8, when rubber jacket gland 9 is screwed onto installation groove 300 Upper and after being spirally connected in place, ring rib 920 is located in annular groove, to limit the displacement of rubber sleeve 8, enables rubber sleeve 8 Preferably it is fixed on flap ontology 30.
Referring to figs. 2 and 3, there is the annular relief 80 positioned at installation groove side in the rubber sleeve 8, when the rubber Jacket gland 9 is screwed onto installation groove 300 and after being spirally connected in place, and the annular protrusion 80 are located at the annular groove 94 It is interior, to limit the displacement of rubber sleeve 8, rubber sleeve 8 is preferably fixed on flap ontology 30.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model can be made a variety of changes, be the protection scope of the utility model.

Claims (5)

1. a kind of mud valve, including valve body, valve seat, flap, valve rod and driving device, the valve body has to be passed through for fluid media (medium) Medium channel, the valve seat is directly integrally formed with valve body and obtain, and positioned at the middle part of medium channel, under the valve rod End is fixedly connected across valve body and with the intracorporal flap of valve, and the driving device and valve rod are drivingly connected, with control flap with The closure or separation of valve seat, it is characterised in that: the flap includes the flap ontology of a taper type, the upper surface of the flap ontology The upper installation groove with for accommodating valve rod lower end, the lower end of the valve rod is fixed to flap ontology by a flap gland On, which is socketed on valve rod and is threadedly coupled with the installation groove on flap ontology, the lower end of the valve rod With the flange for preventing valve rod from deviating from from flap gland.
2. mud valve according to claim 1, it is characterised in that: be also lined with rubber sleeve on the flap ontology, the rubber Set will all envelope outside the outer surface of flap ontology, and have relief hole corresponding with installation groove.
3. mud valve according to claim 2, it is characterised in that: it further include a rubber jacket gland, the rubber jacket gland Middle part has the through-hole that the lower end for valve rod passes through, and has the first spiral shell being threadedly coupled with flap gland on the inner wall of the through-hole Line, the rubber jacket gland also has one to be coaxially disposed with through-hole and the annular being up recessed from rubber jacket gland bottom surface is recessed Slot has the second screw thread with installation groove bolt, the lower end tool of the rubber jacket gland on the inner sidewall of annular groove There is the wing plate extended outward, the rubber sleeve for being located at installation groove side is pushed down in the bottom surface of the wing plate.
4. mud valve according to claim 3, it is characterised in that: the bottom surface of the wing plate, which also has, is fitted around groove Ring rib has the annular groove to match with the ring rib on the rubber sleeve.
5. mud valve according to claim 3, it is characterised in that: the rubber sleeve has the ring positioned at installation groove side Shape lug boss, when the rubber jacket gland is screwed onto installation groove, the annular relief is located in the annular groove.
CN201821005223.7U 2018-06-27 2018-06-27 A kind of mud valve Active CN208431398U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821005223.7U CN208431398U (en) 2018-06-27 2018-06-27 A kind of mud valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821005223.7U CN208431398U (en) 2018-06-27 2018-06-27 A kind of mud valve

Publications (1)

Publication Number Publication Date
CN208431398U true CN208431398U (en) 2019-01-25

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ID=65098689

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821005223.7U Active CN208431398U (en) 2018-06-27 2018-06-27 A kind of mud valve

Country Status (1)

Country Link
CN (1) CN208431398U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111779867A (en) * 2020-08-03 2020-10-16 焦彪彪 Vibration suppression pressure reducing valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111779867A (en) * 2020-08-03 2020-10-16 焦彪彪 Vibration suppression pressure reducing valve
CN111779867B (en) * 2020-08-03 2021-12-28 浙江东辰阀门科技有限公司 Vibration suppression pressure reducing valve

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