CN220622926U - Downhole valve opening and closing tool - Google Patents

Abstract

The utility model relates to an underground valve opening and closing tool which comprises a rod body, a first operating head, a second operating head and a handle, wherein the first operating head is arranged at the lower end of the rod body, a vertically downward claw is arranged on the periphery of the first operating head, the second operating head is arranged at the bottom of the first operating head, the first operating head and the second operating head are detachable, grooves are formed in the bottoms of the first operating head and the second operating head, and the handle is arranged on the rod body.

Description

Downhole valve opening and closing tool

Technical Field

The utility model relates to the field of underground valve opening and closing, in particular to an underground valve opening and closing tool.

Background

The valve is a control component in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting flow or overflow pressure relief and the like, is used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and is widely used in oil fields, mines, chemical plants, gas stations and the like.

The valve is composed of valve body, opening and closing mechanism and valve cover, and the opening and closing mechanism is composed of valve clack (valve disc, valve core), valve rod and driver (hand wheel or column head). The valve rod is screwed on the valve cover by trapezoidal threads, the driving device and the valve clack are fixed at the upper end and the lower end of the valve rod, the driving device is rotated, the valve rod can be lifted or fallen to drive the valve clack to approach or leave the valve seat to be closed and opened, the valve clack is closely matched with the valve seat, the valve clack is tightly pressed on the valve seat by the pressure of the valve rod, at the moment, the valve is in a completely closed state, and the valve is tight and leakless.

The pipeline that has sets up in the pit, well depth 1-5m, when needs are operated underground valve, the workman need open and close the valve with the help of the instrument, but because drive arrangement in the headstock gear exists multiple structure, including hand wheel structure and column head structure, the hand wheel is the ring form, be connected with the valve rod through 3-5 crossbeams, column head structure is regular then mostly quadrangle cylinder and big-end-up, the quadrangle cylinder of different valves is different in size, consequently, the workman need carry different instruments when facing the valve of different drive arrangement, and instrument structure as an organic whole, can not dismantle, lead to carrying very inconveniently.

Disclosure of Invention

The utility model provides a downhole valve opening and closing tool which can adapt to valves of different driving devices.

The utility model discloses an underground valve opening and closing tool which comprises a rod body, a first operating head, a second operating head and a handle, wherein the first operating head is arranged at the lower end of the rod body, a vertically downward claw is arranged on the periphery of the first operating head, the second operating head is arranged at the bottom of the first operating head, the first operating head and the second operating head are detachable, grooves are formed in the bottoms of the first operating head and the second operating head, and the handle is arranged on the rod body.

When the underground valve is opened and closed, the driving device of the underground valve is of a columnar head structure, when the columnar head structure is a conventional quadrangular column body and is small in upper part and large in lower part, the longitudinal sections of grooves at the bottoms of the first operation head and the second operation head are trapezoidal, the cross sections of the grooves are square to be matched with the columnar heads of the quadrangular column body structure, when the groove size on the first operation head is matched with the columnar heads of the quadrangular column body, the second operation head is detached, the grooves on the first operation head are sleeved on the columnar heads of the quadrangular column body of the underground valve, the handle is screwed to open and close the underground valve, when the groove size on the second operation head is matched with the columnar heads of the quadrangular column body, the second operation head is sleeved on the quadrangular column body of the underground valve, the handle is screwed to open and close the underground valve, the second operation head is used as a spare operation head to be replaced, the groove size on the quadrangular column body of the quadrangular valve can be prepared to be matched with the quadrangular column body of the other underground valve, and the second operation head is used for replacing the spare operation head, and the handle is inserted into the handle of the underground valve.

For the convenience dismantle No. two operation heads, the coaxial mounting hole that runs through No. one operation head that is provided with in the recess front and back side on the operation head, the upper end of No. two operation heads is provided with the column head with the first overhead recess assorted of operation, the overhead column head of No. two operation is embedded in the overhead recess of No. one operation, the overhead position of the overhead correspondence mounting hole of No. two operation is provided with the through-hole, wears to be equipped with the bolt and fixes through the nut in mounting hole and the through-hole.

In order to conveniently dismantle and accomodate when the transportation, can dismantle between body of rod and the handle, its structure is provided with a polygon post for the upper end of body of rod, the middle part of handle is provided with a mounting groove with a polygon post assorted, a polygon post embedding is in a mounting groove, be provided with a thread through hole outward on the inner wall of a mounting groove, a position that corresponds a thread through hole on the polygon post is provided with a spacing hole, screw up in the thread through hole has the bolt, the bolt tip gets into a spacing hole, through a polygon post embedding two mounting grooves joint fixed prevent that it from rotating, screw up in the thread through hole has the bolt, the bolt tip gets into a spacing hole, prevent that a polygon post from falling out No. two mounting grooves.

In order to solve the condition that body of rod length is insufficient when the well depth is dark, still include the extension rod, the one end of extension rod is provided with No. two polygon cylinders, no. two polygon cylinders and the mounting groove assorted that the handle middle part set up, be provided with the spacing hole of No. two that corresponds with a thread through-hole position on No. two polygon cylinders, the other end of extension rod is provided with No. two mounting grooves along the axis direction, no. two mounting grooves and a polygon cylinders assorted, the position that corresponds a spacing hole on the mounting groove of No. two is provided with No. two thread through-holes, screw bolts have been twisted in the thread through-hole of No. two, when the well depth is dark, because No. one polygon cylinder and No. two mounting grooves, no. two polygon cylinders and No. one mounting groove all are matees, consequently, can increase the extension rod realization to opening and close the valve under the deep well between body of rod and handle.

Because the required moment of torsion of opening and close of valve is great, in order to make the connection more stable firm, first mounting groove, no. two mounting grooves are interior hexagonal recess and all have the drawing of patterns inclination, through setting up the drawing of patterns inclination, convenient to assemble and disassemble.

The downhole valve opening and closing tool is applicable to valves with driving devices of a hand wheel structure and a columnar head structure, has strong applicability, reduces tool carrying capacity, is detachable and portable, and is applicable to opening and closing of valves with deeper well depths through the extension rod.

Drawings

FIG. 1 is a front view of embodiment 1 of the present utility model;

FIG. 2 is a left side view of embodiment 1 of the present utility model;

FIG. 3 is a front view in section of embodiment 1 of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 in embodiment 1 of the present utility model;

FIG. 5 is a front view of the extension rod of embodiment 2 of the present utility model;

FIG. 6 is a top view of the extension rod of example 2 of the present utility model;

FIG. 7 is a bottom view of the extension pole of embodiment 2 of the present utility model;

fig. 8 is a schematic structural view of embodiment 2 of the present utility model with an extension rod added thereto.

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Example 1:

as shown in fig. 1 to 4, the utility model discloses an underground valve opening and closing tool, which comprises a rod body 2, a first operating head 3, a second operating head 5 and a handle 1, wherein the first operating head 3 is arranged at the lower end of the rod body 2, a claw 4 which is vertically downward is arranged at the periphery of the first operating head 3, the second operating head 5 is arranged at the bottom of the first operating head 3, the first operating head 3 and the second operating head 5 are detachable, grooves are formed in the bottoms of the first operating head 3 and the second operating head 5, and the handle 1 is arranged on the rod body 2.

For the convenience dismantles No. two operation heads 5, the recess front and back side on No. one operation head 3 is coaxial to be provided with the mounting hole that runs through No. one operation head 3, no. two operation head 5's upper end be provided with No. one operation head 3 on recess assorted columnar head, no. two operation head 5 on columnar head imbeds in No. one operation head 3 on the recess, no. two operation head 5 on columnar head correspond the position of mounting hole be provided with the through-hole, wear to be equipped with the bolt and fix through the nut in mounting hole and the through-hole.

For conveniently dismantling and accomodating when the transportation, can dismantle between body of rod 2 and the handle 1, its structure is that body of rod 2's upper end is provided with polygon post 6 No. one, handle 1's middle part is provided with a mounting groove with polygon post 6 assorted No. one, polygon post 6 imbeds in the mounting groove No. one, be provided with a thread through hole outward on the inner wall of a mounting groove, be provided with a spacing hole in the position of a correspondence thread through hole on polygon post 6 No. one, screw up in the thread through hole has the bolt, the bolt tip gets into a spacing hole, through a polygon post 6 embedding No. two mounting groove joint fixed prevent its rotation, screw up in the thread through hole has the bolt, the bolt tip gets into a spacing hole, prevent that polygon post 6 from falling out No. two mounting grooves.

Example 2:

the difference from embodiment 1 is that, as shown in fig. 5 to 8, the extension rod 7 is further included, one end of the extension rod 7 is provided with a second polygonal column 8, the second polygonal column 8 is matched with a first mounting groove arranged in the middle of the handle 1, a second limit hole 9 corresponding to the first threaded through hole is arranged on the second polygonal column 8, a second mounting groove 10 is arranged at the other end of the extension rod 7 along the axial direction, the second mounting groove 10 is matched with the first polygonal column, a second threaded through hole 11 is arranged at the position corresponding to the first limit hole on the second mounting groove 10, a bolt is screwed in the second threaded through hole 11, and when the well depth is deeper, as the first polygonal column is matched with the second mounting groove 10, the second polygonal column 8 is matched with the first mounting groove, the extension rod 7 can be increased between the rod body 2 and the handle 1 to realize opening and closing of the valve under the deep well.

Because the required moment of torsion of opening and close of valve is great, in order to make the connection more stable firm, first mounting groove, no. two mounting groove 10 are interior hexagonal recess and all have the drawing of patterns inclination, through setting up the drawing of patterns inclination, convenient to assemble and disassemble.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium, and can be in interaction relationship with two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The present utility model is not limited to the preferred embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (5)

1. The utility model provides a tool is opened and close to valve in pit, its characterized in that, including the body of rod, an operation head, no. two operation heads, handle, the lower extreme of the body of rod is provided with an operation head, and the week side of an operation head is provided with vertical decurrent jack catch, and the bottom of an operation head is provided with No. two operation heads, can dismantle between an operation head and No. two operation heads, and the bottom of an operation head and No. two operation heads all sets up the recess, is provided with the handle on the body of rod.

2. The downhole valve opening and closing tool according to claim 1, wherein mounting holes penetrating through the first operating head are coaxially formed in the front side and the rear side of the groove in the first operating head, a columnar head matched with the groove in the first operating head is arranged at the upper end of the second operating head, the columnar head in the second operating head is embedded into the groove in the first operating head, through holes are formed in positions, corresponding to the mounting holes, of the columnar head in the second operating head, and bolts and nuts penetrate through the mounting holes and the through holes to fix the columnar head.

3. The downhole valve opening and closing tool according to claim 1 or 2, wherein the rod body and the handle are detachable, the structure is that a first polygonal column body is arranged at the upper end of the rod body, a first mounting groove matched with the first polygonal column body is arranged in the middle of the handle, the first polygonal column body is embedded into the first mounting groove, a first threaded through hole is formed in the inner wall of the first mounting groove outwards, a first limiting hole is formed in the first polygonal column body at a position corresponding to the first threaded through hole, a bolt is screwed in the first threaded through hole, and the end part of the bolt enters the first limiting hole.

4. The downhole valve opening and closing tool according to claim 3, further comprising an extension rod, wherein a second polygonal column is arranged at one end of the extension rod, the second polygonal column is matched with a first mounting groove arranged in the middle of the handle, a second limiting hole corresponding to the first threaded through hole is formed in the second polygonal column, a second mounting groove is formed in the other end of the extension rod along the axis direction, the second mounting groove is matched with the first polygonal column, a second threaded through hole is formed in the second mounting groove corresponding to the first limiting hole, and a bolt is screwed into the second threaded through hole.

5. The downhole valve opening and closing tool of claim 4 wherein the first and second mounting grooves are each a hexagon socket and each have a draft angle.