CN217841612U

CN217841612U - Protection device for wellhead Christmas tree valve

Info

Publication number: CN217841612U
Application number: CN202221732300.5U
Authority: CN
Inventors: 张宇; 张鹏飞; 宗珊珊
Original assignee: Puyang Yufei Petroleum Machinery Equipment Co ltd
Current assignee: Puyang Yufei Petroleum Machinery Equipment Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-18
Anticipated expiration: 2032-07-05

Abstract

The utility model relates to an oil production equipment field, concretely relates to a protection device for well head production tree valve. Including the valve body, fixed sealing connection has solid fixed ring on the valve gap of valve body, gu the fixed ring outside sliding seal cover is equipped with the sleeve, gu the fixed ring upper end is fixed with two arcs, two arcs set up according to solid fixed ring's axle center symmetry, sleeve and arc sliding fit, solid fixed ring's tip internal thread sealing connection has the shrouding is kept away from to the sleeve, the hand wheel of valve body is located the shrouding and the solid fixed ring between the sleeve, the shrouding is fixed with the kicking block on solid fixed ring's the terminal surface, the kicking block tightly supports the hand wheel of valve body. The utility model discloses, sleeve loading and unloading are convenient, conveniently maintain the valve body, and the shrouding can be with the hand wheel encapsulation in the sleeve, can prevent that the valve body from being opened or closed at will.

Description

Protection device for wellhead Christmas tree valve

Technical Field

The utility model relates to an oil production equipment field, concretely relates to a protection device for well head christmas tree valve.

Background

A christmas tree is a wellhead device used for producing oil, such as a self-blowing well and a mechanical production well. The oil-gas production control device is main equipment for controlling and adjusting oil-gas production at the uppermost part of an oil-gas well, and oil-production tree components mainly comprise a tubing head, a tubing hanger, a flange and valves. However, the existing valve is not provided with a protection device, is exposed outdoors for a long time, and is easy to rust after being corroded by rainwater, so that the use of the valve is influenced. The protection device of current well head production tree valve includes the barrel, and barrel welded fastening is on the valve body, and the hand wheel of valve is located the barrel, consequently inconvenient maintains the valve to sealed lid in the barrel installation, this kind of protection device installation is complicated, and during the valve use, need operating personnel to stretch into the barrel internal rotation hand wheel with the hand, the in-process operating personnel's of rotation hand wheel arm is easily by the barrel port fish tail, and the switching of valve is realized to the rotation hand wheel that simultaneously can not be quick.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a loading and unloading are convenient, and the hand wheel to the valve body is conveniently rotated, can prevent that this integument of valve from being opened or closing at will, can make the hand wheel rotate the protection device who is used for well head christmas tree valve that realizes the quick switching of valve body fast.

In order to realize the purpose, the utility model provides a technical scheme is:

a protection device for a wellhead Christmas tree valve comprises a valve body, wherein a fixing ring is fixedly and hermetically connected to a valve cover of the valve body, a sleeve is sleeved outside the fixing ring in a sliding and sealing manner, two arc-shaped plates are fixed to the upper end of the fixing ring and symmetrically arranged according to the axis of the fixing ring, the sleeve is in sliding fit with the arc-shaped plates, a sealing plate is hermetically connected to the inner thread of the end portion, away from the fixing ring, of the sleeve, a hand wheel of the valve body is located in the sleeve between the sealing plate and the fixing ring, a jacking block is fixed to the end face, facing the fixing ring, of the sealing plate, the jacking block tightly abuts against the hand wheel of the valve body, and an opposite-nature blind hole is formed in the sealing plate; the special-shaped blind hole plug is characterized by further comprising an L-shaped wrench, wherein a special-shaped plug which is used for being inserted into the special-shaped blind hole and matched with the special-shaped blind hole is machined at one end of the wrench.

Specifically, the arc is concentric with the fixed ring, a vertical sliding groove corresponding to the arc is formed in the inner edge of the sleeve, a sliding block is clamped in the sliding groove in a sliding mode, the sliding block is fixedly connected with the arc on one side of the sliding block, and the outer edge of the arc is in sliding contact with the inner edge of the sleeve.

Specifically, the lower end of the fixing ring is fixed with a sealing ring, and the fixing ring is connected with the valve cover through the sealing ring in a sealing mode.

Specifically, all set up the through-hole that corresponds with the bolt on the valve gap on solid fixed ring and the sealing ring, the bolt on the valve gap runs through solid fixed ring and the through-hole on the sealing ring and realizes solid fixed connection of solid fixed ring and valve body.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses, the sleeve loading and unloading are convenient, the convenience is maintained the valve body, the sleeve can prevent that the rainwater from getting into contact with the valve rod of valve body and the screw thread pair of valve body, avoid valve body's valve rod and the screw thread pair of valve body to rust, when rotating the hand wheel, the sleeve can slide on solid fixed ring, and then make the hand wheel be located the sleeve outside, the convenient hand wheel to the valve body rotates, can make the hand wheel rotate fast and realize the quick switching of valve body, the shrouding can encapsulate the hand wheel in the sleeve, can prevent that this integument of valve from being opened or closed at will.

Drawings

Fig. 1 is a schematic view of the internal structure of the sleeve according to the present invention.

Fig. 2 is a three-dimensional view of the sleeve.

Figure 3 is a top view of the sleeve in engagement with the closure plate.

Fig. 4 is a sectional view taken along line B in fig. 3.

Fig. 5 is a schematic structural view of the wrench.

Part names in the drawings are as follows:

1 3 fixed ring 3 arc 4 slider 5 sleeve 6 spout 7 sealing ring 8 shrouding 9 kicking block 10 different sex blind hole 11 spanner 12 different sex plugs of valve body 2.

Detailed Description

As shown in fig. 1-5, a protection device for well head production tree valve, including valve body 1, fixed sealing connection has solid fixed ring 2 on the valve gap of valve body 1, gu fixed ring 2 lower extreme is fixed with sealing ring 7, gu fixed ring 2 passes through sealing ring 7 sealing connection with the valve gap, gu all set up the through-hole that corresponds with the bolt on the valve gap on fixed ring 2 and the sealing ring 7, the bolt on the valve gap runs through solid fixed ring 2 and the through-hole on the sealing ring 7 and realizes solid fixed ring 2 and valve body 1's fixed connection.

The fixed ring 2 outside sliding seal cover is equipped with sleeve 5, and fixed ring 2 upper end is fixed with two arcs 3, and two arcs 3 set up according to fixed ring 2's axle center symmetry,

sleeve

5 and 3 sliding fit of arc, arc 3 is concentric with fixed ring 2, sets up vertical spout 6 that corresponds with arc 3 on the sleeve 5 inner edge, and sliding joint has slider 4 in spout 6,

slider

4 and 3 fixed connection of the arc of its one side, 3 outer fringe of arc and 5 inner edge sliding contact of sleeve, consequently, when sleeve 5 slides on fixed ring 2, arc 3 can play the rightting effect to sleeve 5, has increased the stability of sleeve 5 when sliding on fixed ring 2.

A sealing plate 8 is connected to the end part, away from the fixing ring 2, of the sleeve 5 in a sealing manner through an internal thread, a hand wheel of the valve body 1 is located in the sleeve 5 between the sealing plate 8 and the fixing ring 2, an ejector block 9 is fixed on the end face, facing the fixing ring 2, of the sealing plate 8, the ejector block 9 tightly abuts against the hand wheel of the valve body 1, and an opposite-nature blind hole 10 is formed in the sealing plate 8; the special-shaped blind hole plug is characterized by further comprising an L-shaped wrench 11, wherein one end of the wrench 11 is provided with a special-shaped plug 12 which is inserted into the special-shaped blind hole 10 and matched with the special-shaped blind hole 10.

The fixed ring 2 is fixed on the valve body 1 through the bolt connecting the valve cover and the valve body, therefore, the fixed ring 2 and the sleeve 5 are convenient to disassemble, the valve body 1 is convenient to maintain, when the valve body 1 needs to be protected, the seal plate 8 is in threaded sealing connection in the sleeve 5, then the opposite sex plug 12 of the wrench 11 is inserted into the opposite sex blind hole 10, the seal plate 8 is rotated through the wrench 11, the top block 9 on the seal plate 8 is utilized to tightly support the hand wheel, at the moment, the sliding block 4 is in contact with the groove bottom of the sliding groove 6, the sleeve 5 cannot move, the seal plate 8 is in threaded sealing connection with the sleeve 5, the fixed ring 2 is in sealed connection with the valve cover and the sleeve 5, therefore, rainwater can be prevented from being in contact with the thread pair of the valve rod and the valve body, the valve rod is prevented from rusting with the thread pair of the valve body to influence the normal use of the valve body 1, under the condition that the wrench 11 is not used, the seal plate 8 is difficult to be screwed out from the sleeve 5, therefore, the valve body 1 can be prevented from being opened or closed at will be opened at will, when the hand wheel 8 is rotated to be opened or closed, then the hand wheel is screwed out from the sleeve 5, the quick sliding sleeve 2, the quick sliding ring can be conveniently rotated on the hand wheel 1, the hand wheel, the quick sliding ring can be opened and the quick sliding of the hand wheel 1 can be realized.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A protection device for a wellhead Christmas tree valve comprises a valve body (1) and is characterized in that a fixing ring (2) is fixedly and hermetically connected to a valve cover of the valve body (1), a sleeve (5) is sleeved on the outer side of the fixing ring (2) in a sliding and sealing manner, two arc-shaped plates (3) are fixed to the upper end of the fixing ring (2), the two arc-shaped plates (3) are symmetrically arranged according to the axis of the fixing ring (2), the sleeve (5) is in sliding fit with the arc-shaped plates (3), a sealing plate (8) is hermetically connected to an inner thread of the end portion, far away from the fixing ring (2), of the sleeve (5), a hand wheel of the valve body (1) is located in the sleeve (5) between the sealing plate (8) and the fixing ring (2), a jacking block (9) is fixed to the end face, facing the fixing ring (2), of the sealing plate (8), the jacking block (9) tightly abuts against the hand wheel of the valve body (1), and an opposite-nature blind hole (10) is formed in the sealing plate (8); the special-shaped blind hole plug is characterized by further comprising an L-shaped wrench (11), wherein a special-shaped plug (12) which is inserted into the special-shaped blind hole (10) and matched with the special-shaped blind hole (10) is machined at one end of the wrench (11).

2. The protection device for the wellhead Christmas tree valve according to claim 1, wherein the arc-shaped plate (3) is concentric with the fixing ring (2), the inner edge of the sleeve (5) is provided with a vertical sliding groove (6) corresponding to the arc-shaped plate (3), the sliding groove (6) is internally slidably clamped with a sliding block (4), the sliding block (4) is fixedly connected with the arc-shaped plate (3) on one side of the sliding block, and the outer edge of the arc-shaped plate (3) is in sliding contact with the inner edge of the sleeve (5).

3. A protection device for a wellhead tree valve according to claim 1, characterized in that a sealing ring (7) is fixed at the lower end of the fixing ring (2), and the fixing ring (2) is connected with the valve cover in a sealing manner through the sealing ring (7).

4. The protection device for the wellhead Christmas tree valve according to claim 3, wherein the fixing ring (2) and the sealing ring (7) are respectively provided with a through hole corresponding to the bolt on the valve cover, and the bolt on the valve cover penetrates through the through holes on the fixing ring (2) and the sealing ring (7) to realize the fixed connection between the fixing ring (2) and the valve body (1).