CN215110633U

CN215110633U - Plug valve for downhole operation

Info

Publication number: CN215110633U
Application number: CN202121495211.9U
Authority: CN
Inventors: 周为清; 周正军; 周正权; 刘园
Original assignee: Funing Petroleum Mechanic Co ltd
Current assignee: Funing Petroleum Mechanic Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-10
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a plug valve for downhole operation, which comprises a valve body and an inner hexagonal cylinder, wherein the inner position of the valve body is provided with the inner hexagonal cylinder at the lower position, the inner position of the left end of the valve body is sleeved with a protective device which is provided with a fixed buckle, a protective frame and a stainless steel protective net, the protective frame is arranged in a cylinder structure, the fixed buckle is welded at the upper end and the lower end of the protective frame, the protective frame is fixed with the valve body through the fixed buckle, the left end of the valve body is provided with a semicircular groove at the upper end and the lower end of the inner wall, the stainless steel protective net is welded at the inner position of the protective frame, the outer wall of the stainless steel protective net is provided with an anti-oxidation paint layer structure, the stainless steel protective net has corrosion resistance, and the outer wall of the stainless steel protective net is distributed with a plurality of micro through holes, thus the gas flow is not influenced, it also prevents impurities from entering the interior location, allowing the device to function properly.

Description

Plug valve for downhole operation

Technical Field

The utility model belongs to the technical field of the plug valve is relevant for the borehole operation, concretely relates to plug valve for borehole operation.

Background

Plug valves are rotary valves in the form of a closure member or plug that opens or closes by rotating ninety degrees to open or close a passage opening in the plug with a passage opening in the valve body, and the plug may be cylindrical or conical in shape, in cylindrical plugs the passages are generally rectangular, and in conical plugs the passages are trapezoidal, which shapes make the plug valve lightweight and suitable for use as a cut-off and cut-in medium and a split flow, but may sometimes be used for throttling depending on the nature of the application and the erosion resistance of the sealing surfaces.

The existing plug valve technology for downhole operation has the following problems: the plug valve for the existing underground operation is used in the using process, when a valve body is in the working process, impurities easily enter the inner position of the valve body from the inlet at the left end of the valve body, so that the inner blockage is easily caused, and the normal work is influenced, so that a device is needed in the market to solve the problem facing at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug valve for borehole operation to solve the current plug valve for borehole operation who proposes in the above-mentioned background art at the in-process that uses, when the valve body in the course of the work, impurity enters into the inside position department of valve body from the valve body left end entry easily, causes inside jam like this easily, influences normal work, so the market needs a device, solves the problem that faces at present.

In order to achieve the above object, the utility model provides a following technical scheme: a plug valve for underground operation comprises a valve body and an inner hexagonal cylinder, wherein the inner position of the valve body is provided with the inner hexagonal cylinder at a lower position, the inner position of the valve body is provided with an inner pressure cap, the inner position of the valve body is provided with an upper valve seat at an upper position, the inner part of the valve body is provided with a positioning ring at an upper position in the middle, the inner part of the valve body is provided with a valve rod at a middle position, the lower end position of the valve rod is provided with a valve ball, the inner part of the valve body is provided with a lower valve seat component at an upper position, the inner part of the valve body is provided with a spring at a right position, the inner part of the valve body is provided with a rubber ring at a right upper position, the inner position at the left end of the valve body is sleeved with a protective device, and the protective device is provided with a fixed buckle, a protective frame and a stainless steel protective net, the upper end and the lower end of the protection frame are provided with fixed buckles at the middle positions, and the stainless steel protective net is arranged at the inner position of the protection frame.

Preferably, the shape structure of the valve body is a cylindrical structure, the valve body is made of stainless steel, and an anti-oxidation paint layer structure is arranged on the outer wall of the valve body.

Preferably, the shape structure of the inner hexagonal cylinder is a hexagonal cylinder structure, the inner hexagonal cylinder is sleeved at the inner position of the inner pressure cap, and the inner hexagonal cylinder is used for fastening the screw.

Preferably, the internal pressure cap is located at an internal position of the valve body, the shape and structure of the internal pressure cap are cylindrical structures, and the diameter of the internal pressure cap is smaller than that of the valve body.

Preferably, the upper valve seat is located at the position above the middle inside the valve body, the upper valve seat is sleeved with the valve ball, and the upper valve seat has corrosion resistance.

Preferably, the valve rod is in a cylindrical structure, the valve rod is welded with the valve ball, and the valve rod can control the valve ball to rotate.

Preferably, the rubber ring is provided in a plurality of numbers, the color of the rubber ring is black, and the rubber ring has pressure resistance.

Preferably, the protection frame is welded with the fixed buckle and the stainless steel protective net together respectively, the protection frame is fixedly connected with the valve body through the fixed buckle, and the number of the fixed buckles is two.

Compared with the prior art, the utility model provides a plug valve for borehole operation possesses following beneficial effect:

the part which is not involved in the device is the same as or can be realized by the prior art, the utility model is provided with a protective device, the protective device is provided with a fixed buckle, a protective frame and a stainless steel protective net, the protective frame is arranged into a cylindrical structure, the fixed buckle is welded at the upper and lower ends of the protective frame, the protective frame is fixed with a valve body by the fixed buckle, the left end of the valve body is provided with a semicircular groove at the upper and lower positions of the inner wall, the fixed buckle is clamped at the inner position of the semicircular groove, the whole device and the valve body can be fixed together, the stainless steel protective net is welded at the inner position of the protective frame, the outer wall of the stainless steel protective net is provided with an anti-oxidation paint layer structure, the stainless steel protective net has corrosion resistance, and the outer wall of the stainless steel protective net is divided into a plurality of small through holes, thus the gas flow is not influenced, it also prevents impurities from entering the interior location, allowing the device to function properly.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic structural view of a plug valve for downhole operation according to the present invention;

fig. 2 is a schematic structural view of the protection device provided by the present invention;

in the figure: 1. a valve body; 2. an inner hexagonal cylinder; 3. an inner pressure cap; 4. an upper valve seat; 5. a guard; 51. fixing the buckle; 52. a protective frame; 53. a stainless steel protective net; 6. positioning rings; 7. a valve stem; 8. a valve ball; 9. a lower seat assembly; 10. a spring; 11. and (4) a rubber ring.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a plug valve for underground operation comprises a valve body 1 and an inner hexagonal cylinder 2, wherein the shape structure of the valve body 1 is a cylindrical structure, the valve body 1 is made of stainless steel, an anti-oxidation paint layer structure is arranged at the position of the outer wall of the valve body 1, the utility model provides a be used for in the operation in the pit, the inside position department of valve body 1 is located the below position department and is provided with interior hexagonal cylinder 2, the shape structure of interior hexagonal cylinder 2 sets up to hexagonal cylinder structure, the inside position department of interior hexagonal cylinder 2 cup joints including pressing cap 3, interior hexagonal cylinder 2 is used for holding screw, play fixed effect, the inside position department of valve body 1 is provided with interior pressure cap 3, interior pressure cap 3 is located the inside position department of valve body 1, the shape structure of interior pressure cap 3 sets up to the cylinder structure, the diameter of interior pressure cap 3 is less than the diameter of valve body 1, play fixed effect, the inside position department of valve body 1 is being provided with disk seat 4 lieing in top position department.

Example two

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a plug valve for underground operation is provided, an upper valve seat 4 is positioned at the middle upper position inside a valve body 1, the upper valve seat 4 and a valve ball 8 are sleeved together, the upper valve seat 4 has corrosion resistance and plays a role in connection, a positioning ring 6 is arranged at the middle upper position inside the valve body 1, a valve rod 7 is arranged at the middle position inside the valve body 1, the shape structure of the valve rod 7 is set to be a cylindrical structure, the valve rod 7 and the valve ball 8 are welded together, the valve rod 7 can control the valve ball 8 to rotate and is used for opening the valve body 1, the valve ball 8 is arranged at the lower end position of the valve rod 7, a lower valve seat assembly 9 is arranged at the upper position inside the valve body 1, a spring 10 is arranged at the right side position inside the valve body 1, a rubber ring 11 is arranged at the right side upper position inside the valve body 1, the rubber rings 11 are arranged in multiple numbers, the color of the rubber ring 11 is set to be black, the rubber ring 11 has pressure resistance, the sealing performance is improved, and the protection device 5 is sleeved at the inner position of the left end of the valve body 1.

EXAMPLE III

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a plug valve for borehole operation, protector 5 is provided with fixed buckle 51, protection frame 52 and stainless steel protection network 53, the upper and lower both ends of protection frame 52 are provided with fixed buckle 51 lieing in intermediate position department, the inside position department of protection frame 52 is provided with stainless steel protection network 53, protection frame 52 respectively with fixed buckle 51 and stainless steel protection network 53 welding together, protection frame 52 is through fixed buckle 51 and valve body 1 fixed connection, fixed buckle 51 sets up to two, play the effect of protection.

The utility model discloses a theory of operation and use flow: after the utility model is installed, when the plug valve is used, a worker firstly connects the plug valve at an applicable position of an oil pipe, when the plug valve is used and connected, a female buckle is upward, a male buckle is downward, a switch of a valve rod 7 adopts a wrench with fourteen millimeters square opposite sides for switching operation, the plug valve comprises a main body, a lower ball seat, a stainless steel ball, the valve rod 7, a splicing ring, a locking ring, a sealing ring, a spring 10 and the like, the valve seat and the ball body are all processed by stainless steel materials, the sealing surface adopts nylon with higher sealing performance for inlaying and pressing, the switch is flexible, the plug valve is safe and reliable, the plug valve is provided with a protection device 5 for preventing blockage, the protection device 5 is provided with a fixed buckle 51, a protection frame 52 and a stainless steel protection net 53, the stainless steel protection net 53 is welded at the internal position of the protection frame 52, the outer wall of the stainless steel protection net 53 has an anti-oxidation paint layer structure, and the stainless steel protection net 53 has corrosion resistance, and the outer wall of the stainless steel protective net 53 is provided with a plurality of tiny through holes, so that the gas flow is not influenced, and impurities are prevented from entering the inner position, and the device can normally operate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a plug valve for borehole operation, includes valve body (1) and hexagonal socket head (2), its characterized in that: the inner hexagonal cylinder (2) is arranged at the lower position of the inner position of the valve body (1), the inner pressing cap (3) is arranged at the inner position of the valve body (1), the upper valve seat (4) is arranged at the upper position of the inner position of the valve body (1), the locating ring (6) is arranged at the upper position of the middle of the inner part of the valve body (1), the valve rod (7) is arranged at the middle position of the inner part of the valve body (1), the valve ball (8) is arranged at the lower end position of the valve rod (7), the lower valve seat assembly (9) is arranged at the upper position of the inner part of the valve body (1), the spring (10) is arranged at the right position of the inner part of the valve body (1), the rubber ring (11) is arranged at the right upper position of the inner part of the valve body (1), and the protection device (5) is sleeved at the inner position of the left end of the valve body (1), the protection device (5) is provided with a fixed buckle (51), a protection frame (52) and a stainless steel protective net (53), the upper end and the lower end of the protection frame (52) are provided with the fixed buckle (51) at the middle position, and the stainless steel protective net (53) is arranged at the inner position of the protection frame (52).

2. A plug valve for downhole operations according to claim 1, wherein: the shape structure of the valve body (1) is a cylindrical structure, the valve body (1) is made of stainless steel, and an anti-oxidation paint layer structure is arranged at the position of the outer wall of the valve body (1).

3. A plug valve for downhole operations according to claim 1, wherein: the shape structure of hexagonal socket head cap (2) sets up to hexagonal cylinder structure, the inside position department of cap (3) is pressed including cup jointing in hexagonal socket head cap (2), hexagonal socket head cap (2) are used for holding screw.

4. A plug valve for downhole operations according to claim 1, wherein: the internal pressure cap (3) is located at the inner position of the valve body (1), the shape and structure of the internal pressure cap (3) are cylindrical structures, and the diameter of the internal pressure cap (3) is smaller than that of the valve body (1).

5. A plug valve for downhole operations according to claim 1, wherein: the upper valve seat (4) is located above the middle of the interior of the valve body (1), the upper valve seat (4) is sleeved with the valve ball (8), and the upper valve seat (4) has corrosion resistance.

6. A plug valve for downhole operations according to claim 1, wherein: the shape structure of the valve rod (7) is a cylindrical structure, the valve rod (7) is welded with the valve ball (8), and the valve rod (7) can control the valve ball (8) to rotate.

7. A plug valve for downhole operations according to claim 1, wherein: the rubber ring (11) is arranged in a plurality of numbers, the color of the rubber ring (11) is black, and the rubber ring (11) has pressure resistance.

8. A plug valve for downhole operations according to claim 1, wherein: the protective frame (52) is welded with the fixed buckle (51) and the stainless steel protective net (53) respectively, the protective frame (52) is fixedly connected with the valve body (1) through the fixed buckle (51), and the number of the fixed buckles (51) is two.