CN211038581U

CN211038581U - Cover plate type natural gas wellhead pipeline throttling device

Info

Publication number: CN211038581U
Application number: CN201922258948.8U
Authority: CN
Inventors: 聂文军; 李同川; 贾政; 彭威; 秦强
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-07-17
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a apron formula natural gas well head pipeline throttling arrangement, the novel nipple rectifier comprises a cylindrical shel, the left end intercommunication of barrel has the intake pipe, the first ring flange of one end fixedly connected with of barrel is kept away from to the intake pipe, the right-hand member intercommunication of barrel has the outlet duct, the one end fixedly connected with second ring flange of barrel is kept away from to the outlet duct, the chamber of admitting air has been seted up in the left side of barrel inner chamber. The inserting column is aligned to the slot at the bottom of the cover plate, the inserting column moves downwards, the inserting column is inserted into the inner cavity of the slot, a fixture block is extruded at the top of the inserting column in the inserting process, the fixture block slides towards the inner side of the sliding groove, the fixture block extrudes the spring through the sliding block, the spring contracts, when the inserting column completely enters the slot, the clamping groove is right opposite to the fixture block, under the action of the spring, the fixture block pops out, the clamping groove can be clamped into to complete installation, only one step is pressed down in the installation process, the installation method is simple and convenient, the installation efficiency is improved, and the convenience of the throttling device in use.

Description

Cover plate type natural gas wellhead pipeline throttling device

Technical Field

The utility model relates to a natural gas exploitation technical field specifically is a apron formula natural gas well head pipeline throttling arrangement.

Background

In natural gas exploitation, in order to reduce pressure, throttle and limit production, an underground throttle is often installed underground in a gas well, a slip type underground throttle is widely popularized and applied in a gas field, the throttle is an underground tool for realizing throttling and reducing pressure of natural gas in a shaft by means of slip clamping, rubber cylinder sealing and gas nozzle production allocation, and underground operations such as releasing, setting, salvaging and the like of the throttle are completed through a well testing steel wire. A cover plate restrictor is also one of the most widely used.

However, the existing cover plate type throttling device is usually fixed with the barrel through bolts, the bolts are fixed and need to be screwed repeatedly, time and labor are wasted, the convenience of replacing the throttling nozzle is greatly reduced, and therefore the cover plate type throttling device for the natural gas wellhead pipeline is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a apron formula natural gas well head pipeline throttling arrangement to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cover plate type natural gas wellhead pipeline throttling device comprises a cylinder body, wherein the left end of the cylinder body is communicated with an air inlet pipe, one end, away from the cylinder body, of the air inlet pipe is fixedly connected with a first flange plate, the right end of the cylinder body is communicated with an air outlet pipe, one end, away from the cylinder body, of the air outlet pipe is fixedly connected with a second flange plate, the left side of the inner cavity of the cylinder body is provided with an air inlet cavity, the right side of the inner cavity of the cylinder body is provided with an air outlet cavity, the center of the inner cavity of the cylinder body is provided with a limiting groove, two sides of the top of the cylinder body are fixedly connected with inserting columns, one adjacent sides of the two inserting columns are provided with clamping grooves, the top of the inserting columns is inserted with a cover plate, two sides of the bottom of the cover plate are provided with inserting, the inner chamber of swivelling chute rotates through the pivot and is connected with the movable block, the movable block is kept away from the one end of rotating the post and has been seted up the fluting, two the sliding tray has all been seted up to the adjacent one side of slot, the inner chamber sliding connection of sliding tray has the sliding block, the sliding block is close to one side fixedly connected with fixture block of slot, one side fixedly connected with activity post that the slot was kept away from to the sliding block, the fixedly connected with throttle mouth is located at the center of apron bottom, the orifice has been seted up to the inner chamber of throttle mouth.

As further preferable in the present technical solution: the top of the rotating column penetrates through the cover plate and is fixedly connected with a rotating disc, and the top of the rotating disc is fixedly connected with a rotating block.

As further preferable in the present technical solution: one end of the movable column, which is far away from the sliding block, penetrates through the inner cavity of the groove and is rotatably connected with the groove through a rotating shaft.

As further preferable in the present technical solution: the surface cover of activity post is equipped with the spring, the one end and the sliding block fixed connection of spring, the other end and the sliding tray fixed connection of spring.

As further preferable in the present technical solution: the fixture block is kept away from the inner chamber that the one end of sliding block runs through to the draw-in groove, fixture block and draw-in groove looks adaptation.

As further preferable in the present technical solution: the top of the barrel is fixedly connected with a sealing ring, two sides of an inner cavity of the sealing ring are provided with a first through hole matched with the inserted column, and the center of the inner cavity of the sealing ring is provided with a second through hole matched with the throttling nozzle.

Compared with the prior art, the beneficial effects of the utility model are that: the inserting column is aligned to the slot at the bottom of the cover plate, the inserting column moves downwards, the inserting column is inserted into the inner cavity of the slot, a fixture block is extruded at the top of the inserting column in the inserting process, the fixture block slides towards the inner side of the sliding groove, the fixture block extrudes the spring through the sliding block, the spring contracts, when the inserting column completely enters the slot, the clamping groove is right opposite to the fixture block, under the action of the spring, the fixture block pops out, the clamping groove can be clamped into to complete installation, only one step is pressed down in the installation process, the installation method is simple and convenient, the installation efficiency is improved, and the convenience of the throttling device in use.

Drawings

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

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged view of a portion of a in fig. 2 according to the present invention.

In the figure: 1. a barrel; 2. an air inlet pipe; 3. a first flange plate; 4. a second flange plate; 5. an air outlet pipe; 6. a seal ring; 7. a clamping block; 8. a cover plate; 9. rotating the block; 10. inserting a column; 11. an air outlet cavity; 12. a limiting groove; 13. an orifice; 14. a throttle nozzle; 15. an air inlet cavity; 16. a card slot; 17. a slot; 18. a rotating groove; 19. rotating the column; 20. rotating the disc; 21. a movable post; 22. grooving; 23. a rotating tank; 24. a movable block; 25. a spring; 26. a sliding groove; 27. and a slider.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a cover plate type natural gas wellhead pipeline throttling device comprises a cylinder body 1, wherein the left end of the cylinder body 1 is communicated with an air inlet pipe 2, one end, away from the cylinder body 1, of the air inlet pipe 2 is fixedly connected with a first flange plate 3, the right end of the cylinder body 1 is communicated with an air outlet pipe 5, one end, away from the cylinder body 1, of the air outlet pipe 5 is fixedly connected with a second flange plate 4, the left side of the inner cavity of the cylinder body 1 is provided with an air inlet cavity 15, the right side of the inner cavity of the cylinder body 1 is provided with an air outlet cavity 11, the center of the inner cavity of the cylinder body 1 is provided with a limiting groove 12, two sides of the top of the cylinder body 1 are fixedly connected with inserting columns 10, one adjacent sides of the two inserting columns 10 are provided with clamping grooves 16, the top of each inserting column 10 is inserted with a cover plate 8, two sides of the bottom of the, the inner chamber of swivelling chute 23 rotates through the pivot and is connected with movable block 24, fluting 22 has been seted up to the one end that movable block 24 kept away from rotation post 19, sliding tray 26 has all been seted up to two adjacent one sides of slot 17, sliding tray 26's inner chamber sliding connection has sliding block 27, sliding block 27 is close to one side fixedly connected with fixture block 7 of slot 17, sliding block 27 keeps away from one side fixedly connected with activity post 21 of slot 17, the fixedly connected with throttle mouth 14 of center department of 8 bottoms of apron, throttle mouth 13 has been seted up to the inner chamber of throttle mouth 14.

In this embodiment, specifically: the top of rotating post 19 runs through apron 8 and fixedly connected with rolling disc 20, and the top fixedly connected with of rolling disc 20 revolves piece 9, through above setting, can provide a good application of force point for rotating post 19, has improved the convenience when rotating post 19 greatly.

In this embodiment, specifically: the end of the movable column 21 far from the sliding block 27 penetrates through the inner cavity of the slot 22 and is rotatably connected with the slot 22 through a rotating shaft, and through the arrangement, the movable block 24 and the movable column 21 can form a linkage structure.

In this embodiment, specifically: the surface of the movable column 21 is sleeved with a spring 25, one end of the spring 25 is fixedly connected with the sliding block 27, the other end of the spring 25 is fixedly connected with the sliding groove 26, and the fixture block 7 can be kept in the popup state for a long time through the arrangement.

In this embodiment, specifically: one end of the fixture block 7, which is far away from the sliding block 27, penetrates through the inner cavity of the clamping groove 16, the fixture block 7 is matched with the clamping groove 16, and through the arrangement, the inserting column 10 can be clamped in the inner cavity of the slot 17, so that the inserting column 10 is kept stable.

In this embodiment, specifically: the top of barrel 1 is fixedly connected with sealing washer 6, and the both sides of sealing washer 6 inner chamber are seted up with the through-hole one of inserting post 10 looks adaptation, and the center department of sealing washer 6 inner chamber is seted up with the through-hole two of choke 14 looks adaptation.

The working principle or the structural principle is that the inserting column 10 moves downwards by aligning the inserting slot 17 at the bottom of the cover plate 8 with the inserting column 10, the inserting column 10 is inserted into the inner cavity of the inserting slot 17, the clamping block 7 is extruded at the top of the inserting column 10 in the inserting process, the clamping block 7 slides towards the inner side of the sliding groove 26, the clamping block 7 extrudes the spring 25 through the sliding block 27, the spring 25 contracts, when the inserting column 10 completely enters the inserting slot 17, the clamping slot 16 is aligned with the clamping block 7, under the action of the spring 25, the clamping block 7 pops out, the clamping slot 16 can be clamped to complete installation, when in use, the rotating disc 20 is rotated through the rotating block 9, the rotating disc 20 drives one end of the movable block 24 to rotate through the rotating column 19, the other end of the movable block 24 drives one end of the movable column 21 to slide towards the rotating groove 18 through the rotating shaft, the movable column 21 drives the clamping block 7 to slide out of, the dismounting process is simple and convenient, the dismounting efficiency is improved, and the convenience of the throttling device in use is greatly improved.

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 apron formula natural gas well head pipeline throttling arrangement, includes barrel (1), its characterized in that: the left end of the barrel body (1) is communicated with an air inlet pipe (2), one end, far away from the barrel body (1), of the air inlet pipe (2) is fixedly connected with a first flange plate (3), the right end of the barrel body (1) is communicated with an air outlet pipe (5), one end, far away from the barrel body (1), of the air outlet pipe (5) is fixedly connected with a second flange plate (4), the left side of the inner cavity of the barrel body (1) is provided with an air inlet cavity (15), the right side of the inner cavity of the barrel body (1) is provided with an air outlet cavity (11), the center of the inner cavity of the barrel body (1) is provided with a limiting groove (12), two sides of the top of the barrel body (1) are fixedly connected with inserting columns (10), one adjacent side of the two inserting columns (10) is provided with clamping grooves (16), the top of the inserting columns (10), a rotating groove (18) is arranged at the center of the top of the cover plate (8), the inner cavity of the rotating groove (18) is rotatably connected with a rotating column (19), both sides of the rotating column (19) are provided with rotating grooves (23), the inner cavity of each rotating groove (23) is rotatably connected with a movable block (24) through a rotating shaft, one end of the movable block (24) far away from the rotating column (19) is provided with a slot (22), one adjacent side of the two slots (17) is provided with a sliding groove (26), the inner cavity of the sliding groove (26) is connected with a sliding block (27) in a sliding way, one side of the sliding block (27) close to the slot (17) is fixedly connected with a clamping block (7), one side of the sliding block (27) far away from the slot (17) is fixedly connected with a movable column (21), the center of the bottom of the cover plate (8) is fixedly connected with a throttling nozzle (14), and an inner cavity of the throttling nozzle (14) is provided with a throttling hole (13).

2. The cover plate type natural gas wellhead pipeline throttling device according to claim 1, characterized in that: the top of the rotating column (19) penetrates through the cover plate (8) and is fixedly connected with a rotating disc (20), and the top of the rotating disc (20) is fixedly connected with a rotating block (9).

3. The cover plate type natural gas wellhead pipeline throttling device according to claim 1, characterized in that: one end of the movable column (21) far away from the sliding block (27) penetrates through the inner cavity of the slot (22) and is rotatably connected with the slot (22) through a rotating shaft.

4. The cover plate type natural gas wellhead pipeline throttling device according to claim 1, characterized in that: the surface cover of activity post (21) is equipped with spring (25), the one end and sliding block (27) fixed connection of spring (25), the other end and sliding tray (26) fixed connection of spring (25).

5. The cover plate type natural gas wellhead pipeline throttling device according to claim 1, characterized in that: one end, far away from the sliding block (27), of the clamping block (7) penetrates through an inner cavity of the clamping groove (16), and the clamping block (7) is matched with the clamping groove (16).

6. The cover plate type natural gas wellhead pipeline throttling device according to claim 1, characterized in that: the top of the barrel body (1) is fixedly connected with a sealing ring (6), a first through hole matched with the inserting column (10) is formed in the two sides of the inner cavity of the sealing ring (6), and a second through hole matched with the throttling nozzle (14) is formed in the center of the inner cavity of the sealing ring (6).