CN219826784U

CN219826784U - Oil well valve with good anti-freezing effect

Info

Publication number: CN219826784U
Application number: CN202321339318.3U
Authority: CN
Inventors: 王映东; 贺景阳; 罗锦湖
Original assignee: Xinjiang Jinshi Drilling And Production Equipment Co ltd
Current assignee: Xinjiang Jinshi Drilling And Production Equipment Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-10-13
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses an oil well valve with good anti-freezing effect, which relates to the technical field of oil well valves and aims at solving the problem that the oil well valve is inconvenient to operate in the prior art.

Description

Oil well valve with good anti-freezing effect

Technical Field

The utility model relates to the technical field of oil well valves, in particular to an oil well valve with a good antifreezing effect.

Background

Well valves are valves used to control the flow rate of a well, typically in petroleum exploitation and production processes, which can control the outlet flow rate of the well in order to maintain stable production of the well, and are typically made of high strength alloys to withstand high pressure and high temperature environments, and in the production process of the well, under low temperature conditions, the well valves are prone to unusable conditions due to low temperature solidification of the oil bodies within the valves.

Chinese patent CN201920296346.9 discloses an anti-freezing petroleum valve, including last casing, the front below rigid coupling of going up the casing has first bearing, the outer wall below threaded connection of threaded rod has the nut, the back rigid coupling of nut has down the casing, the top rigid coupling of threaded rod has the circular handle, the bottom of going up the casing and the top of lower casing all rigid coupling have the rubber pad, two the rubber pad is laminated each other.

The valve is completely sealed in the shell, the valve cannot be directly opened and closed by using the handle during operation, the shell is required to be removed for operation, and inconvenience is brought to daily use of the valve.

Disclosure of Invention

In view of the problems existing in the prior art, the utility model discloses an oil well valve with good anti-freezing effect, the oil well valve comprises a valve body, a pipeline and anti-freezing liquid, wherein a vertical pipe is arranged at the top of the valve body, the left end and the right end of the valve body are connected with the pipeline through flange plates, a valve core is arranged in the valve body, a valve rod is rotationally connected to the valve core, a rotating handle is arranged at the top end of the valve rod, a lower shell is slidably connected to the bottom of the valve body, an upper shell is slidably connected to the top of the valve body, the lower shell and the upper shell form a cavity through flange connection, annular grooves are respectively arranged at the two ends of the inner wall of the lower shell and the flange plates at the left end and the right end of the valve body, seal half rings are respectively arranged in the annular grooves, sealing grooves are respectively arranged at the front side and the rear side of the contact surface of the lower shell and the upper shell, the two ends of each sealing groove are connected with the annular grooves, sealing strips are respectively arranged in the sealing grooves, the two ends of each sealing strip are slidably connected with the end of each sealing strip, a vertical sleeve is arranged on the upper shell, the upper shell is respectively provided with a top cover, the vertical sleeve is coaxially connected with the valve rod, the top cover is in the vertical sleeve and the top cover is in the same plane, the top cover is in the vertical sleeve, the vertical sleeve is in the vertical sleeve is well in the vertical sleeve, and the top cover is well in the top cover, and the top cover is well in the environment, and the top cover of the normal environment, and the top sealing can well in the environment, and well has the well-like.

As a preferable technical scheme of the utility model, a sliding sleeve is arranged on the valve body, a sliding rod is arranged on the inner wall of the lower shell, the sliding rod is in sliding connection in the sliding sleeve, a limiting piece is in sliding connection with the top end of the sliding rod, a limiting column is arranged on the sliding rod, a sliding groove is arranged on the limiting piece, the limiting piece is in sliding connection with the limiting column through the sliding groove, the limiting piece can penetrate through the sliding sleeve, the sliding rod and the sliding sleeve can position and guide the lower shell, and the limiting piece can limit the sliding rod, so that the lower shell can reach a basic installation position.

As a preferable technical scheme of the utility model, the top surface of the lower shell is provided with an alignment seat, the alignment seat is provided with an alignment hole, the bottom surface of the upper shell is provided with an alignment rod, and the alignment rod corresponds to the matching position of the size of the alignment hole, so that the upper shell and the lower shell can be aligned and installed conveniently.

As a preferable technical scheme of the utility model, the middle section of the lower shell is a semi-cylindrical shell, the left side and the right side of the lower shell are symmetrical semi-circular table-shaped shells, a liquid discharge pipe is arranged at the bottom of the lower shell, a sealing cap is connected to the liquid discharge pipe in a threaded manner, and the antifreezing solution can be completely discharged by matching the structure of the lower shell with the liquid discharge pipe.

As a preferable technical scheme of the utility model, the side wall of the sealing cap is in threaded connection with the anti-skid screw, and the end part of the anti-skid screw is in sliding connection with the side wall of the liquid discharge pipe, so that the sealing cap can be prevented from slipping and loosening.

As a preferable technical scheme of the utility model, the bottom of the top cover is provided with the plugging ring, the plugging ring corresponds to the size matching position of the cavity, the outer wall of the plugging ring is provided with the sealing ring, the sealing ring is in sliding connection with the inner wall of the vertical sleeve, the inner wall of the plugging ring is provided with the sealing gasket, the sealing gasket is in sliding connection with the top surface of the vertical pipe, the sealing performance of the top cover, the vertical pipe and the vertical sleeve can be enhanced, and the anti-freezing effect is enhanced.

As a preferable technical scheme of the utility model, the top end of the liquid inlet pipe is inclined outwards, the top end of the liquid inlet pipe is in a horn shape, and the top end of the liquid inlet pipe is connected with a cap in a threaded manner, so that the anti-freezing liquid can be conveniently filled.

The utility model has the beneficial effects that: according to the utility model, the upper shell and the lower shell are sealed outside the valve body to form a cavity, anti-freezing liquid is injected into the cavity, anti-freezing protection is realized outside the valve body, an anti-freezing effect is achieved, the valve rod is arranged on the top cover, so that the valve rod is exposed outside the cavity, the valve is convenient to operate in daily use, the convenience in use of the valve is improved while freezing is prevented, the sliding sleeve and the sliding rod are used for positioning between the lower shell and the valve body, the lower shell and the valve body are convenient to mount and align, the lower shell is hung through the limiting piece, subsequent mounting is facilitated, the alignment seat and the alignment rod are utilized, the upper shell and the lower shell are convenient to mount in alignment, and the anti-freezing liquid is convenient to discharge through the arrangement of the liquid discharge pipe.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a right side view of the present utility model;

FIG. 3 is a schematic view of a cross-sectional structure of A-A of the present utility model;

fig. 4 is a schematic diagram of a connection structure between a valve body and a lower case of the present utility model.

In the figure: 1. a valve body; 2. a lower case; 3. an upper case; 4. a top cover; 5. a rotating handle; 6. a pipe;

7. a seal half ring; 8. a sealing strip; 10. a standpipe; 11. a sliding sleeve; 20. a liquid discharge pipe; 21. sealing the cap;

22. an anti-slip screw; 23. a slide bar; 24. an alignment seat; 25. a limiting piece; 26. sealing grooves; 27. a ring groove; 30. a vertical sleeve; 40. a liquid inlet pipe; 41. capping; 42. blocking rings; 43. a seal ring; 44. a sealing gasket; 50. a valve rod.

Detailed Description

Example 1

As shown in fig. 1 to 4, the utility model discloses an oil well valve with good anti-freezing effect, the oil well valve comprises a valve body 1, a pipeline 6 and anti-freezing liquid, wherein a vertical pipe 10 is arranged at the top of the valve body 1, the left end and the right end of the valve body 1 are connected with the pipeline 6 through flange plates, a valve core is arranged in the valve body 1, a valve rod 50 is rotationally connected to the valve core, a rotating handle 5 is arranged at the top end of the valve rod 50, a lower shell 2 is connected to the bottom of the valve body 1 in a sliding manner, an upper shell 3 is connected to the top of the valve body 1 in a sliding manner, the lower shell 2 and the upper shell 3 are connected through flange to form a cavity, annular grooves 27 are respectively arranged at the two ends of the inner wall of the lower shell 2 and the upper shell 3, the annular grooves 27 are respectively matched with the positions of the flange plates at the left end and the right end of the valve body 1, sealing grooves 26 are respectively arranged in the annular grooves 27, sealing grooves 27 are respectively arranged at the front side and the rear side of the contact surface of the lower shell 2 and the upper shell 3, sealing grooves 26 are internally provided with sealing strips 8, the sealing strips 8 are respectively arranged at the two ends of the sealing strips 8, the sealing strips 7 are slidingly connected with the ends of the sealing strips, a vertical sleeve 30 is arranged on the upper shell 3, the upper shell 30, the top shell 10 is coaxially and the top cover 10 is coaxially, the top cover 10 is in a top cover 4, the top cover 40 is in a screwed into the top cover 40, the top cover 40 is in a position, and the top cover 40 is in a corresponding position, and the top cover 40 is in the top cover 4 is in between the top cover and has a screwed top cover.

As shown in fig. 4, in order to install the lower casing 2 at the bottom of the valve body 1, a sliding sleeve 11 is provided on the valve body 1, a sliding rod 23 is provided on the inner wall of the lower casing 2, the sliding rod 23 is slidably connected in the sliding sleeve 11, a limiting member 25 is slidably connected at the top end of the sliding rod 23, a limiting post is provided on the sliding rod 23, a sliding groove is provided on the limiting member 25, the limiting member 25 is slidably connected on the limiting post through the sliding groove, and the limiting member 25 can pass through the sliding sleeve 11.

As shown in fig. 4, in order to facilitate alignment when the upper case 3 and the lower case 2 are mounted, an alignment seat 24 is provided on the top surface of the lower case 2, an alignment hole is provided on the alignment seat 24, and an alignment rod is provided on the bottom surface of the upper case 3 to be matched with the pair Ji Kongxiang.

As shown in fig. 1 to 3, in order to facilitate the discharge of the antifreeze, the middle section of the lower shell 2 is a semi-cylindrical shell, the left and right sides of the lower shell 2 are symmetrical semi-circular truncated cone shells, the bottom of the lower shell 2 is provided with a drain pipe 20, and the drain pipe 20 is in threaded connection with a sealing cap 21.

As shown in fig. 2 and 3, in order to ensure the sealing of the sealing cap 21 to the liquid discharge tube 20 and prevent the sealing cap from loosening, an anti-slip screw 22 is screwed on the side wall of the sealing cap 21, and the end of the anti-slip screw 22 is slidably connected with the side wall of the liquid discharge tube 20.

As shown in fig. 3, in order to make the sealing performance between the top cover 4 and the vertical pipe 10 and between the top cover and the vertical sleeve 30 good, the valve body and the cavity are isolated, a plugging ring 42 is arranged at the bottom of the top cover 4, the plugging ring 42 corresponds to the size matching position of the cavity, a sealing ring 43 is arranged on the outer wall of the plugging ring 42, the sealing ring 43 is slidably connected with the inner wall of the vertical sleeve 30, a sealing gasket 44 is arranged in the inner wall of the plugging ring 42, and the sealing gasket 44 is slidably connected with the top surface of the vertical pipe 10.

As shown in fig. 1 to 3, in order to facilitate the filling of the antifreeze into the cavity, the top end of the liquid inlet pipe 40 is inclined to the outside, and the top end of the liquid inlet pipe 40 is horn-shaped, and the top end of the liquid inlet pipe 40 is screw-connected with a cap 41.

The working principle of the utility model is as follows: firstly, installing a valve body 1, connecting two ends of the valve body 1 with a pipeline 6, then penetrating a limiting piece 25 into a sliding sleeve 11 from below, then inserting a sliding rod 23 into the sliding sleeve 11, then turning the limiting piece 25 into a horizontal state and enabling a limiting column to be positioned in the middle of the limiting piece 25, hanging a lower shell 2 below the valve body 1, aligning a ring groove 27 with a flange joint of the valve body 1 and the pipeline 6, placing a sealing strip 8 in a sealing groove 26, then installing an upper shell 3 from above the valve body 1, aligning an alignment rod with an alignment hole on an alignment seat 24, then inserting, aligning the upper shell 3 with the lower shell 2, then installing the upper shell 3 with the lower shell 2 by using bolts, sealing the flange joint of the valve body 1 with the pipeline 6 by using an upper group of sealing semi-rings 7 and a lower group of sealing semi-rings 7, aligning the contact surfaces of the two ends of the sealing strip 8 sealing the side edges in the sealing groove 26 aligned up and down, the valve core is placed in the valve body 1, the top cover 4 is placed at the top of the vertical pipe 10 and the top of the vertical sleeve 30, the blocking ring 42 is embedded into a cavity between the vertical pipe 10 and the vertical sleeve 30, the top cover 4 is connected with the vertical sleeve 30 in a flange mode to be sealed, the sealing ring 43 seals the inside and the outside of the vertical sleeve 30, the sealing gasket 44 seals the inside and the outside of the vertical pipe 10, the cap 41 is unscrewed, antifreeze fluid is injected into the liquid inlet pipe 40, after injection is completed, the cap 41 is screwed on the liquid inlet pipe 40, antifreeze fluid is fully injected into a cavity formed by sealing the upper shell 3 and the lower shell 2, the valve body 1 is prevented from being frozen, when the valve needs to be adjusted, the rotary handle 5 is used for driving the valve rod 50 to rotate, the valve can be opened and closed, and when the antifreeze fluid needs to be replaced, the antiskid screw 22 is screwed off from the liquid outlet pipe 20, and the cap 21 is unscrewed.

The mechanical connection according to the utility model is a customary practice adopted by the person skilled in the art, and the technical teaching can be obtained by a limited number of tests, which belongs to the common general knowledge.

The components not described in detail herein are prior art.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. The utility model provides an oil well valve that freeze-proof effect is good, includes valve body (1), pipeline (6), antifreeze, the top of valve body (1) is equipped with standpipe (10), both ends about valve body (1) pass through the ring flange with pipeline (6) are connected, valve body (1) inside is equipped with the case, it is connected with valve rod (50) to rotate on the case, the top of valve rod (50) is equipped with stem (5), its characterized in that: the bottom sliding connection of valve body (1) has inferior valve (2), the top sliding connection of valve body (1) has epitheca (3), inferior valve (2) with epitheca (3) pass through flange joint and form the cavity, inferior valve (2) with the inner wall both ends of epitheca (3) all are equipped with annular (27), annular (27) with the flange junction position phase-match of both ends about valve body (1), all be equipped with seal semi-ring (7) in annular (27), inferior valve (2) with the front and back side of the contact surface of epitheca (3) all is equipped with seal groove (26), the both ends of seal groove (26) are connected annular (27), be equipped with sealing strip (8) in seal groove (26), the both ends of sealing strip (8) with the tip sliding connection of seal semi-ring (7), be equipped with on epitheca (3) vertical sleeve (30) with coplanarity (10) and the corresponding size phase-match in flange junction position of both ends, vertical sleeve (30) are located top cap (4) and top cap (4), top cap (4) are located top cap (4) are connected with each other, top cap (4) is equipped with top cap (40), the liquid inlet pipe (40) corresponds to the position of the cavity, and the antifreezing solution is filled in the cavity.

2. The oil well valve with good anti-freezing effect according to claim 1, wherein: be equipped with sliding sleeve (11) on valve body (1), the inner wall of inferior valve (2) is equipped with slide bar (23), slide bar (23) are in sliding connection in sliding sleeve (11), the top sliding connection of slide bar (23) has locating part (25), be equipped with spacing post on slide bar (23), be equipped with the spout on locating part (25), locating part (25) are in through spout sliding connection on the spacing post, locating part (25) can follow pass in sliding sleeve (11).

3. The oil well valve with good anti-freezing effect according to claim 1, wherein: an alignment seat (24) is arranged on the top surface of the lower shell (2), an alignment hole is formed in the alignment seat (24), an alignment rod is arranged on the bottom surface of the upper shell (3), and the alignment rod corresponds to the matching position of the size of the alignment hole.

4. The oil well valve with good anti-freezing effect according to claim 1, wherein: the middle section of inferior valve (2) is semi-cylindrical casing, the left and right sides of inferior valve (2) is the semicircle platform form casing of symmetry, the bottom of inferior valve (2) is equipped with fluid-discharge tube (20), threaded connection has sealing cap (21) on fluid-discharge tube (20).

5. The oil well valve with good anti-freezing effect according to claim 4, wherein: the side wall of the sealing cap (21) is in threaded connection with an anti-skid screw (22), and the end part of the anti-skid screw (22) is in sliding connection with the side wall of the liquid discharge pipe (20).

6. The oil well valve with good anti-freezing effect according to claim 1, wherein: the bottom of top cap (4) is equipped with stifled ring (42), stifled ring (42) with the size phase-match position of cavity is corresponding, be equipped with sealing washer (43) on the outer wall of stifled ring (42), sealing washer (43) with the inner wall sliding connection of perpendicular cover (30), be equipped with sealing gasket (44) in the inner wall of stifled ring (42), sealing gasket (44) with the top surface sliding connection of standpipe (10).

7. The oil well valve with good anti-freezing effect according to claim 1, wherein: the top of feed liquor pipe (40) inclines outwards, and the top of feed liquor pipe (40) is loudspeaker form, the top threaded connection of feed liquor pipe (40) has block (41).