CN220185082U

CN220185082U - Rotary sealing type casing plug

Info

Publication number: CN220185082U
Application number: CN202321967534.2U
Authority: CN
Inventors: 侯波; 徐海龙; 潘为伟
Original assignee: Jiangsu Huazhishuo Technology Co ltd
Current assignee: Jiangsu Huazhishuo Technology Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2023-12-15
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses a rotary sealing type casing plug, which relates to the technical field of oil and gas exploitation, and comprises a sleeve rod, wherein one end of the sleeve rod is fixedly connected with a circular plate, one end of the circular plate, which is opposite to the sleeve rod, is fixedly connected with a plugging head, the upper part of one end of the circular plate, which is connected with the sleeve rod, is fixedly connected with an adjusting component, the adjusting component comprises a long plate, one end of the long plate is fixedly connected with the upper part of one end of the circular plate, the top end of the long plate is provided with a sliding groove, the inner wall of one side of the sliding groove is rotatably connected with a bidirectional threaded rod, the outer surfaces of the bidirectional threaded rod are sleeved with two sliding blocks, the top ends of the two sliding blocks are fixedly connected with connecting rods, and the opposite ends of the two connecting rods are provided with grooves.

Description

Rotary sealing type casing plug

Technical Field

The utility model relates to the technical field of oil and gas exploitation, in particular to a rotary sealing type casing plug.

Background

The pressure testing plug is a plugging tool for pressure testing of drilling wells, mine casing strings and blowout preventer stacks. When the casing is used for pressure test, a blanking plug is arranged in the casing to prevent liquid or gas from leaking, so that the pressure in the pipe can be kept to a certain degree, the blanking plug generally consists of a fishing head, a nipple, a main body, a sealing ring and a screwed plug, the appearance of the blanking plug is a cylinder, and the sealing rings are respectively arranged above and below the liquid passing hole.

However, the prior art has the following problems:

firstly, the blanking plug that blocks up well casing mouth of pipe comprises simple shutoff head, does not have adjusting part, when carrying out shutoff pressure testing to well casing, because well casing size is different, does not have adjusting part to be inconvenient for carrying out the shutoff to the sleeve pipe of equidimension, make blanking plug accommodation less, reduced the availability factor of sleeve pipe blanking plug.

Secondly, when plugging the orifice of the well casing, only one single plugging head is arranged, when plugging the well casing, the plugging head can fall off the casing to cause plugging failure when pressure testing, and the plugging head has no structure of a handheld plugging device, so that the plugging device is inconvenient to plug the well casing, and the plugging assembly is inconvenient to detach and clean, and the plugging effect of the casing plugging device is reduced.

In view of the above, the inventors propose a rotary seal type casing plug for solving the above problems.

Disclosure of Invention

In order to solve the problems that the blanking plug is inconvenient to plug the casings with different sizes and the blanking plug is inconvenient to plug the drilling casing; the utility model aims to provide a rotary sealing type casing plug.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a rotary seal formula sleeve pipe blanking plug, includes the loop bar, the one end fixedly connected with plectane of loop bar, the plectane is the one end fixedly connected with shutoff head of loop bar dorsad, the shutoff head plays the effect to the sleeve pipe shutoff, the surface of shutoff head has cup jointed sealed the pad, and sealed pad plays the leakproofness of shutoff when carrying out the shutoff to the sleeve pipe better, and sealed inner wall and the surface looks laminating of shutoff head, plectane and the one end upper portion fixedly connected with adjusting part of loop bar connection, adjusting part play the effect of being convenient for different sleeve pipes to shutoff, adjusting part includes the long plate, the one end of long plate and the one end upper portion fixedly connected with of plectane, the spout has been seted up on the top of long plate, one side inner wall rotation of spout is connected with bi-directional threaded rod, and bi-directional threaded rod's surface cup joints two sliders, bi-directional threaded rod cooperation slider uses for bi-directional threaded rod rotates and drives the slider and removes, two the slider is the different screw thread direction department of carved on bi-directional threaded rod's surface respectively, makes two sliders face opposite or back to remove, two opposite side slider and opposite side, two grooves are convenient for the rotation groove and the opposite side groove and the one end has a groove to be connected with the rotation groove, and the groove and the opposite groove, and the groove is convenient for the one end is connected with the rotation groove and has, and the groove.

Preferably, the screw thread groove has been seted up to the one end that the loop bar was facing away from the plectane, the inner wall in screw thread groove rotates and is connected with the screw thread post, and screw thread post cooperation screw thread groove uses, conveniently dismantles, the surface of screw thread post is laminated mutually with the inner wall in screw thread groove, and the one end fixedly connected with round bar of screw thread post, the round bar plays the effect of connecting, the one end fixedly connected with stock of screw thread post is kept away from to the round bar, and the stock is convenient for the staff to hold the shutoff head for the shutoff head firmly to the sleeve pipe, the equal fixedly connected with handle in both ends of stock, the handle plays the longer staff of better being convenient for to hold, and two handles are circular arc for the inner wall of handle is more laminating with the staff's hand.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the adjusting component is arranged, the knob is rotated, the knob rotates to drive the rotating rod to rotate, the rotating rod drives the bidirectional threaded rod to rotate, the bidirectional threaded rod drives the two sliding blocks to move, and the sliding blocks move to be attached to the outer surface of the sleeve to be plugged through the connecting rod driving the groove, so that the plugging device has the function of conveniently plugging the sleeves with different sizes, the application range of the plugging device is wider, and the use efficiency of the plugging device is improved;

2. according to the utility model, the long rod and the handle are arranged, the handle is matched with the long rod for use, so that the plugging device can be used for plugging the drilling casing, when the drilling casing is plugged, the hand props against the long rod to enable the plugging head to be matched with the circular plate for use, the casing is plugged better, and meanwhile, the threaded column is matched with the threaded groove for use, so that the plugging assembly can be disassembled and cleaned conveniently, and the plugging effect of the casing plugging device is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

Fig. 2 is a schematic diagram of the internal structure of the present utility model.

FIG. 3 is a schematic view of another view of the internal structure of the present utility model.

FIG. 4 is a schematic view of the structure of the adjusting assembly of the present utility model.

In the figure: 1. a loop bar; 2. an adjustment assembly; 21. a chute; 22. a long plate; 23. a two-way threaded rod; 24. a knob; 25. a groove; 26. a slide block; 27. a connecting rod; 28. a rotating rod; 3. a circular plate; 4. a sealing gasket; 5. a round bar; 6. a long rod; 7. a handle; 8. a threaded column; 9. a blocking head; 10. a thread groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one: as shown in fig. 1-4, the utility model provides a rotary sealing sleeve blanking plug, which comprises a sleeve rod 1, one end of the sleeve rod 1 is fixedly connected with a circular plate 3, one end of the circular plate 3, which is opposite to the sleeve rod 1, is fixedly connected with a blocking head 9, the circular plate 3 is matched with the blocking head 9 for use, the sleeve is conveniently blocked, one end upper part of the circular plate 3, which is connected with the sleeve rod 1, is fixedly connected with an adjusting component 2, the adjusting component 2 plays a role of conveniently blocking different sleeves, the adjusting component 2 comprises a long plate 22, one end of the long plate 22 is fixedly connected with one end upper part of the circular plate 3, the top end of the long plate 22 is provided with a sliding groove 21, one side inner wall of the sliding groove 21 is rotatably connected with a bidirectional threaded rod 23, the outer surface of the bidirectional threaded rod 23 is sleeved with two sliding blocks 26, the bidirectional threaded rod 23 is matched with the sliding blocks 26 for use, the two sliding rods 23 are rotatably driven to move by the two sliding blocks 26, connecting rods 27 are fixedly connected with the top ends of the two sliding rods 26, one ends of the two connecting rods 27 are respectively provided with grooves 25, the opposite ends of the two connecting rods 27 are respectively provided with the rotating rods, the connecting rods 27 are more closely fit with the outer surfaces of the sleeve, the sliding rods 21 are further, one end of the sliding rods 28 is rotatably connected with the sliding rods 28, and the sliding rods 28 are rotatably fixedly connected with the sliding rods 28, and the sliding rods 28 are rotatably and conveniently and rotatably connected with the sliding rods 28.

The sealing gasket 4 is sleeved on the outer surface of the plugging head 9, and the inner wall of the sealing gasket 4 is attached to the outer surface of the plugging head 9.

By adopting the technical scheme, the sealing gasket 4 plays a better role in plugging the sleeve.

The two sliding blocks 26 are respectively sleeved at different thread directions carved on the outer surface of the bidirectional threaded rod 23.

By adopting the technical scheme, the bidirectional threaded rod 23 rotates to drive the two sliding blocks 26 to move back to back towards the opposite surface.

The two grooves 25 are distributed in a mirror image manner, and the inner walls of the grooves 25 are made of anti-slip materials.

By adopting the above technical scheme, the effect of increasing the friction force between the groove 25 and the outer surface of the sleeve is achieved.

The outer surfaces of the two sliding blocks 26 are attached to the inner wall of the chute 21.

By adopting the technical scheme, the sliding chute 21 plays a role in limiting the sliding block 26.

Embodiment two: as shown in fig. 1-3, a thread groove 10 is formed in one end, facing away from the circular plate 3, of the loop bar 1, a thread column 8 is rotatably connected to the inner wall of the thread groove 10, the thread column 8 is matched with the thread groove 10 for use, disassembly and cleaning are convenient, a round bar 5 is fixedly connected to one end of the thread column 8, the round bar 5 plays a role in connection, a long bar 6 is fixedly connected to one end, far away from the thread column 8, of the round bar 5, and the long bar 6 is convenient for a worker to hold a blocking head 9 to block a sleeve.

By adopting the technical scheme, the plugging device has the function of plugging the drilling casing by the plugging device conveniently.

The outer surface of the threaded post 8 is attached to the inner wall of the threaded groove 10.

By adopting the technical scheme, the function of facilitating the use of the thread groove 10 matched with the thread column 8 is achieved.

Handles 7 are fixedly connected to the two ends of the long rod 6, and the two handles 7 are arc-shaped.

By adopting the technical scheme, the handle 7 plays a role in facilitating the staff to hold the long rod 6.

Working principle: firstly, the sealing gasket 4 is sleeved on the outer surface of the plugging head 9, then the plugging head 9 stretches into a sleeve to be plugged, meanwhile, the maximum diameter of the sleeve to be plugged is not larger than the diameter of the circular plate 3, the minimum diameter is not smaller than the diameter of the plugging head 9, the sealing gasket 4 is attached to the pipe orifice of the sleeve, the circular plate 3 and the sealing gasket 4 are matched with the plugging head 9 for plugging the sleeve, then the knob 24 is rotated, the knob 24 is rotated to drive the rotating rod 28 to rotate, the rotating rod 28 is rotated to drive the bidirectional threaded rod 23 to rotate, the bidirectional threaded rod 23 is rotated to drive the two sliding blocks 26 to move towards opposite surfaces, the sliding blocks 26 are moved to drive the connecting rod 27 to move, the connecting rod 27 is moved to drive the grooves 25 to attach to the outer surface of the sleeve, so that the sleeve with different sizes can be plugged conveniently, workers can hold the plug conveniently through the long rod 6 by hand, when the sleeve is plugged, the plug is pushed against the long rod 6, the sleeve is enabled to be firmly plugged, after the plugging is completed, the threaded column 8 is matched with the threaded groove 10 on the sleeve 1, and the plugging assembly is detached conveniently, and the plugging assembly is cleaned conveniently.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. The utility model provides a rotary seal type sleeve stopper, includes loop bar (1), its characterized in that: one end of the loop bar (1) is fixedly connected with a circular plate (3), one end of the circular plate (3) back to the loop bar (1) is fixedly connected with a plugging head (9), and the upper part of one end, connected with the loop bar (1), of the circular plate (3) is fixedly connected with an adjusting assembly (2);

the adjusting component (2) comprises a long plate (22), one end of the long plate (22) is fixedly connected with one end upper portion of a circular plate (3), a sliding groove (21) is formed in the top end of the long plate (22), a bidirectional threaded rod (23) is rotatably connected to one side inner wall of the sliding groove (21), two sliding blocks (26) are sleeved on the outer surface of the bidirectional threaded rod (23), two connecting rods (27) are fixedly connected to the top ends of the sliding blocks (26), grooves (25) are formed in one ends of the opposite faces of the two connecting rods (27), one end of the bidirectional threaded rod (23) away from the sliding groove (21) is fixedly connected with a rotating rod (28), and the rotating rod (28) penetrates through the sliding groove (21) and is fixedly connected with a knob (24).

2. A rotary seal casing blanking plug according to claim 1, wherein: the utility model discloses a novel screw thread groove, including loop bar (1), thread groove (10) have been seted up to the one end of loop bar (1) back to plectane (3), the inner wall rotation of thread groove (10) is connected with screw thread post (8), and the one end fixedly connected with round bar (5) of screw thread post (8), the one end fixedly connected with stock (6) of thread post (8) are kept away from to round bar (5).

3. A rotary seal casing blanking plug according to claim 1, wherein: the outer surface of the plugging head (9) is sleeved with a sealing gasket (4), and the inner wall of the sealing gasket (4) is attached to the outer surface of the plugging head (9).

4. A rotary seal casing blanking plug according to claim 1, wherein: the two sliding blocks (26) are respectively sleeved at different thread directions carved on the outer surface of the bidirectional threaded rod (23).

5. A rotary seal casing blanking plug according to claim 1, wherein: the two grooves (25) are in mirror image distribution, and the inner walls of the grooves (25) are made of anti-skid materials.

6. A rotary seal casing blanking plug according to claim 1, wherein: the outer surfaces of the two sliding blocks (26) are attached to the inner wall of the sliding groove (21).

7. A rotary seal casing blanking plug according to claim 2, wherein: the outer surface of the threaded column (8) is attached to the inner wall of the threaded groove (10).

8. A rotary seal casing blanking plug according to claim 2, wherein: handles (7) are fixedly connected to the two ends of the long rod (6), and the two handles (7) are arc-shaped.