CN212056071U - Wellhead assembly convenient to control valve - Google Patents

Abstract

The utility model discloses a well head device convenient for controlling a valve, which belongs to the technical field of well head devices, and comprises an oil pipe, wherein a valve body is arranged on the oil pipe, a hand wheel is connected on the valve body, a hand rod is inserted on the hand wheel in a limiting way, a limiting plate is arranged at the top of the valve body, and the bottom end of the hand rod is inserted in a clamping groove at the top end of the limiting plate, when the hand wheel is rotated, the hand rod can be inserted into a communicating port on the hand wheel so as to prolong the distance between a pushing point of a hand and the circle center of the hand wheel, the hand wheel is more labor-saving to rotate by the lever principle, a first limiting pull rod is arranged for fixing and limiting the extending distance of the hand rod, after the rotation is finished, the hand rod is pulled out and inserted into a square socket, so that the bottom end of the hand rod passes through the square socket to, has practicability.

Description

Wellhead assembly convenient to control valve

Technical Field

The utility model relates to a well head technical field specifically is a well head device convenient to control valve.

Background

The wellhead device is a device which is installed at a wellhead, suspends a casing and an oil pipe, and seals annular spaces of the oil pipe, the casing and each layer of casing, and generally comprises a casing head, an oil pipe head and a blowout preventer group.

At present, current wellhead assembly designs comparatively simply in the aspect of the regulation and control of valve, the control of the degree of opening of valve is mainly according to operator's artificial judgement, when rotating the valve, how much range that the valve need rotate all relies on artificial experience, the difficult improper condition of degree that can cause the valve to open of exempting from, in addition, the rotation of valve relies on the manpower to go on, lack the structure that reduces manpower consumption, especially under the condition that the valve received the corruption, the manpower often is difficult to rotate the valve, this problem that just leads to current wellhead assembly valve to be not convenient for to regulate and control appears.

The utility model discloses a well head device of convenient regulation and control valve as patent number CN201820085610.X, the constant head tank has been seted up at the top of oil pipe body, the left side fixedly connected with locating piece of valve body, the equal swing joint in both sides of first logical groove inner chamber has the slider, the top fixedly connected with reset spring of slider, fixedly connected with locating lever between two sliders, locating piece fixedly connected with arm-tie is run through at the top of locating lever, the spacing groove has been seted up in the left side of arm-tie bottom, the left top swing joint of locating piece has the gag lever post, the second through-groove has been seted up to the inside of valve body, the right side through connection of second through-groove inner chamber has the thread piece, the inner chamber threaded connection of thread piece has the lead screw, the left. The utility model provides a well head device valve be not convenient for the problem of regulation and control for this well head device conveniently regulates and control the valve.

Although the device is convenient for control the valve, the position that the valve was opened in the device is too restricted, and the setting that only has four constant head tanks is unreasonable, and the device prolongs the promotion position of people's hand through the lead screw, when using at every turn, all need not stop the rotating lead screw, troublesome poeration, the practicality is low.

Based on this, this scheme has designed a wellhead assembly convenient to control valve.

Disclosure of Invention

An object of the utility model is to provide a wellhead assembly convenient to control valve to solve the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a wellhead assembly convenient to control valve, including oil pipe, install the valve body on the oil pipe, be connected with the hand wheel on the valve body, the spacing grafting has the handspike on the hand wheel, the valve body top is equipped with the limiting plate, the draw-in groove on limiting plate top is pegged graft to the handspike bottom.

Preferably, the hand wheel comprises an annular ring, three connecting rods and a center plate, the center plate is fixed at the circle center of the annular ring through the connecting rods, one of the three connecting rods is provided with a through hole, the through hole is a square hole, a communication opening is formed in the position, corresponding to the through hole, of the outer annular wall of the annular ring, the top end of the communication opening is provided with a first limit pull rod in a penetrating mode, a square socket is formed in one side of the top wall of the annular ring in a penetrating mode from top to bottom, and a second limit pull rod is arranged on the outer annular wall of the annular ring in a position corresponding to the.

Preferably, the structure of the first limit pull rod is consistent with that of the second limit pull rod, the first limit pull rod comprises a rod body, a fixed plate is fixedly connected to one end of the rod body, a pull ring is arranged on one side, far away from the rod body, of the fixed plate, a spring is fixedly connected to one side, close to the rod body, of the fixed plate, and the spring is wound on the rod body.

Preferably, the hand lever comprises a square insertion rod, a cylindrical insertion block is arranged at the bottom end of the square insertion rod, a holding rod is arranged at the top end of the square insertion rod, and pull rod insertion holes are uniformly formed in one side face of the square insertion rod.

Preferably, the limiting plate comprises a circular plate, limiting slots are distributed on the top end of the circular plate in an annular and dense mode, the size of each limiting slot is consistent with that of the cylindrical insertion block, and a valve body welding port is arranged in the middle of the circular plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when rotating the hand wheel, can insert the intercommunication mouth on the hand wheel with the hand lever, in order to realize the distance in extension staff promotion point and the hand wheel centre of a circle, it is more laborsaving to make the rotation of hand wheel through lever principle, the first limit pull rod of setting is used for fixing and injects the extension distance of hand lever, after rotating, extract the hand lever and insert square socket with it, make the bottom of hand lever pass square socket and peg graft with the spacing slot on the limiting plate, in order to realize the fixed of hand wheel position, this device easy operation, a pole is multi-purpose, has the practicality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the hand wheel of the present invention;

FIG. 3 is an enlarged schematic view of the utility model at A;

fig. 4 is a schematic view of a second limit pull rod of the present invention;

FIG. 5 is a schematic view of the handle of the present invention;

fig. 6 is the utility model discloses the limiting plate schematic diagram.

In the drawings, the components represented by the respective reference numerals are listed below:

1-oil pipe, 2-valve body, 3-hand wheel, 4-hand rod, 5-limit plate, 30-annular ring, 31-connecting rod, 32-through hole, 33-first limit pull rod, 34-square socket, 35-second limit pull rod, 36-central disc, 351-rod body, 352-fixing plate, 353-pull ring, 354-spring, 41-square plug rod, 42-cylindrical plug block, 43-holding rod, 44-pull rod plug hole, 50-round plate, 51-limit slot and 52-valve body welding port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to 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 wellhead assembly convenient to control valve, is including oil pipe 1, installs valve body 2 on the oil pipe 1, is connected with hand wheel 3 on the valve body 2, and the spacing grafting has hand lever 4 on the hand wheel 3, and 2 tops of valve body are equipped with limiting plate 5, and the draw-in groove on 4 bottom grafting limiting plate 5 tops of hand lever.

Further, the hand wheel 3 includes annular ring 30, connecting rod 31 and central disc 36, central disc 36 passes through connecting rod 31 to be fixed in annular ring 30 centre of a circle department, there are three connecting rods 31, it has through-hole 32 to open in one of them connecting rod 31, through-hole 32 is the quad slit, and it has the intercommunication mouth to correspond through-hole 32 position on the outer rampart of annular ring 30, the intercommunication mouth top is run through and is equipped with first limit pull rod 33, it has square socket 34 to link up from top to bottom to open on the roof one side of annular ring 30, it is equipped with second limit pull rod 35 to correspond square socket 34 position on the outer rampart of annular ring 30.

Furthermore, the structure of the first limit pull rod 33 is the same as that of the second limit pull rod 35, the first limit pull rod 33 includes a rod body 351, a fixing plate 352 is fixedly connected to one end of the rod body 351, a pull ring 353 is disposed on one side of the fixing plate 352 away from the rod body 351, a spring 354 is fixedly connected to one side of the fixing plate 352 close to the rod body 351, and the spring 354 is wound around the rod body 351.

Furthermore, the hand lever 4 comprises a square insertion rod 41, a cylindrical insertion block 42 is arranged at the bottom end of the square insertion rod 41, a holding rod 43 is arranged at the top end of the square insertion rod 41, and pull rod insertion holes 44 are uniformly formed in one side surface of the square insertion rod 41.

Further, the limiting plate 5 comprises a circular plate 50, limiting slots 51 are annularly and densely distributed at the top end of the circular plate 50, the size of each limiting slot 51 is consistent with that of the cylindrical insertion block 42, and a valve body welding opening 52 is formed in the middle of the circular plate 50.

The working principle is as follows: when rotating hand wheel 3, can insert the intercommunication mouth on the hand wheel 3 with hand lever 4, in order to realize the distance in extension staff pushing point and the 3 centre of a circle of hand wheel, it is more laborsaving to make the rotation of hand wheel 3 through lever principle, the first spacing pull rod 33 that sets up is used for fixing and injects the extension distance of hand lever 4, after rotating, extract hand lever 4 and insert square socket 34 with it, make the bottom of hand lever 4 pass square socket 34 and peg graft with spacing slot 51 on the limiting plate 5, in order to realize the fixed of hand wheel 3 position, the device easy operation, a pole is multi-purpose, has the practicality, the device has the practicality

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (5)

1. A wellhead device convenient for operating a valve comprises an oil pipe (1), and is characterized in that: install valve body (2) on oil pipe (1), be connected with hand wheel (3) on valve body (2), spacing grafting has handle bar (4) on hand wheel (3), valve body (2) top is equipped with limiting plate (5), the draw-in groove on limiting plate (5) top is pegged graft to handle bar (4) bottom.

2. A wellhead device for facilitating the operation of a valve as claimed in claim 1, wherein: the hand wheel (3) comprises an annular ring (30), three connecting rods (31) and a central disc (36), the central disc (36) is fixed to the circle center of the annular ring (30) through the connecting rods (31), one of the three connecting rods (31) is provided with a through hole (32) in the connecting rod (31), the through hole (32) is a square hole, a communication opening is formed in the position, corresponding to the through hole (32), of the outer annular wall of the annular ring (30), the top end of the communication opening is provided with a first limiting pull rod (33) in a penetrating mode, one side of the top wall of the annular ring (30) is provided with a square socket (34) in a penetrating mode, and a second limiting pull rod (35) is arranged on the position, corresponding to the square socket (34), of the outer annular wall of the annular ring.

3. A wellhead device for facilitating the operation of a valve as claimed in claim 2, wherein: the structure of first spacing pull rod (33) is unanimous with the structure of second spacing pull rod (35), first spacing pull rod (33) are including the body of rod (351), body of rod (351) one end rigid coupling has fixed plate (352), one side that the body of rod (351) was kept away from in fixed plate (352) is equipped with pull ring (353), fixed plate (352) are close to the hungry one side rigid coupling of the body of rod (351) and have spring (354), spring (354) wire-wrap body of rod (351).

4. A wellhead device for facilitating the operation of a valve as claimed in claim 3, wherein: the utility model discloses a handle bar, including square inserted bar (41), hand lever (4), square inserted bar (41) bottom is equipped with cylinder inserted block (42), the top of square inserted bar (41) is equipped with holding rod (43), evenly be equipped with pull rod jack (44) on the side of square inserted bar (41).

5. A wellhead device to facilitate the operation of a valve as claimed in claim 4, wherein: the limiting plate (5) comprises a circular plate (50), limiting slots (51) are distributed on the top end of the circular plate (50) in an annular and dense mode, the size of each limiting slot (51) is consistent with that of each cylindrical insertion block (42), and a valve body welding opening (52) is formed in the middle of the circular plate (50).

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