CN217558294U

CN217558294U - High-pressure plug valve for fracturing manifold

Info

Publication number: CN217558294U
Application number: CN202220873492.5U
Authority: CN
Inventors: 杨健; 贾燕杰; 徐超
Original assignee: Jianhu Jintuo Machinery Manufacturing Co ltd
Current assignee: Jianhu Jintuo Machinery Manufacturing Co ltd
Priority date: 2022-04-15
Filing date: 2022-04-15
Publication date: 2022-10-11
Anticipated expiration: 2032-04-15

Abstract

The utility model discloses a high-pressure plug valve for a fracturing manifold, which comprises a valve body, wherein an installation bin body is arranged at the top of the valve body, a spring A is uniformly arranged at the edge position of the bottom inside the installation bin body, the top of the spring A is commonly provided with an annular sealing plug, and a spring B is uniformly arranged at the edge position of the top inside the installation bin body; the utility model discloses a be provided with the outer tube about the outside of threaded rod displacement drive between arc briquetting and the annular sealing plug that the hinge bar bottom is connected and the extrusion ring, and through the threaded connection of the outer tube with the installation storehouse body and fixed outer tube, thereby realize the location to the annular sealing plug through the extrusion of arc briquetting to the annular sealing plug, simultaneously extrude the top of annular sealing plug through the extrusion ring extrusion force that receives spring B, thereby realize the installation of valve body top control member, thereby more bolted connection's complicated demand has been reduced, the practicality of dismouting efficiency and device has been improved.

Description

High-pressure plug valve for fracturing manifold

Technical Field

The utility model relates to a plug valve technical field specifically is a high-pressure plug valve that fracturing manifold used.

Background

The fracturing manifold is a valve which is opened or closed by connecting high-pressure output ends of a plurality of fracturing trucks together through a high-pressure elbow and a high-pressure tee joint and connecting one or a plurality of output ports to a wellhead through a high-pressure pipeline, wherein the fracturing manifold is an essential high-pressure plug valve during installation, the plug valve is a closing member or a plunger-shaped rotary valve, and a passage port on the plug valve is communicated with or separated from a passage port on a valve body through rotating 90 degrees, so that the fracturing manifold is suitable for being used as a cutting-off medium, a connecting medium and a shunting medium, but can also be used for throttling sometimes according to the applicable property and the erosion resistance of a sealing surface.

The high-pressure plug valve that current fracturing manifold used adopts more bolt to carry out fixed connection mostly at the in-process that uses, but its inside case can produce wearing and tearing with inside valve plug passageway because long-term rotation to need regular change and maintenance, and more bolt structure has influenced the dismouting greatly and has changed the efficiency of overhauing, and thus need a neotype fracturing manifold and use high-pressure plug valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-pressure plug valve that fracturing manifold used to propose the connection structure that current fracturing manifold used high-pressure plug valve to adopt more bolt among the above-mentioned background art of solution, influenced the dismouting in later stage and changed and maintenance efficiency's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-pressure plug valve that fracturing manifold used, includes the valve body, the top of valve body is provided with the installation storehouse body, the border position department of installation storehouse internal bottom evenly is provided with spring A, spring A's top is provided with annular sealing plug jointly, the border position department at installation storehouse internal top evenly is provided with spring B, spring B's bottom is provided with the extrusion ring jointly, the top of the installation storehouse body is provided with runs through the installation storehouse body and extends to the inside threaded rod of valve body, the bottom of threaded rod is provided with the case, the outside that the inside middle part of valve body is close to the case is provided with the valve plug passageway, and case and valve plug passageway adaptation of each other, the middle part in the threaded rod outside is provided with the outer tube, the border position department at outer tube top is provided with movable nut, the bottom in the outer tube outside evenly is provided with the hinge bar, the other end of hinge bar all articulates there is the arc briquetting, the top laminating of arc briquetting and annular sealing plug, and the bottom of arc briquetting and extrusion ring laminates each other, the top in the threaded rod outside is provided with fixation nut.

Preferably, the top of threaded rod is provided with rotatory rim plate, the outside of rotatory rim plate is provided with the rubber sleeve, the border position department at rotatory rim plate top is provided with the handle, conveniently rotates the adjusting threaded rod through being provided with rotatory rim plate.

Preferably, both ends of valve body all are provided with flange, and flange's inboard all is provided with the sealing rubber circle, through being provided with flange, conveniently with external pipe connection.

Preferably, be provided with external screw thread and internal thread respectively between the outside of outer tube and the inner wall of the installation storehouse body, and external screw thread and internal thread adaptation each other thereby has guaranteed the fixed connection between outer tube and the installation storehouse body through being provided with external screw thread and internal thread.

Preferably, a mechanical sealing component is arranged between the outer side of the threaded rod and the top of the inner wall of the valve body, and the sealing performance of the device is guaranteed by the mechanical sealing component.

Preferably, lubricating grease is coated on the outer side of the arc pressing block, a limiting ring is arranged at the edge position of the top of the annular sealing plug, and the lubricating grease is arranged to reduce the friction force between the annular sealing plug and the arc pressing block.

Compared with the prior art, the beneficial effects of the utility model are that: a high pressure plug valve for the fracturing manifold;

through being provided with the outer tube about the outside of threaded rod displacement drive between arc briquetting and the annular sealing plug that the hinge bar bottom is connected and the extrusion ring, and through the threaded connection of the outer tube with the installation storehouse body and fixed outer tube, thereby realize the location to the annular sealing plug through the extrusion of arc briquetting to the annular sealing plug, simultaneously extrude the top of annular sealing plug through the extrusion ring received spring B's extrusion force, thereby realize the installation of valve body top control member, thereby more bolted connection's complicated demand has been reduced, the practicality of dismouting efficiency and device has been improved.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention;

fig. 3 is a top cross-sectional view of the outer sleeve structure of fig. 1 according to the present invention;

fig. 4 is a schematic perspective view of the annular sealing plug of fig. 1 according to the present invention;

fig. 5 is a schematic bottom view of the extrusion ring structure of fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. a spring A; 3. an annular sealing plug; 4. an arc-shaped pressing block; 5. a squeezing ring; 6. a spring B; 7. an outer sleeve; 8. a threaded rod; 9. rotating the wheel disc; 10. fixing a nut; 11. a movable nut; 12. a valve core; 13. a valve plug passageway; 14. a hinged lever; 15. and (5) mounting the bin body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a high-pressure plug valve for a fracturing manifold comprises a valve body 1, wherein two ends of the valve body 1 are provided with connecting flanges, the inner sides of the connecting flanges are provided with sealing rubber rings, the connecting flanges are arranged to be conveniently connected with an external pipeline, the top of the valve body 1 is provided with an installation bin body 15, the edge positions of the bottom inside the installation bin body 15 are uniformly provided with springs A2, the tops of the springs A2 are commonly provided with annular sealing plugs 3, the edge positions of the top inside the installation bin body 15 are uniformly provided with springs B6, the bottom of the springs B6 is commonly provided with an extrusion ring 5, the top of the installation bin body 15 is provided with a threaded rod 8 which penetrates through the installation bin body 15 and extends to the inside of the valve body 1, the bottom of the threaded rod 8 is provided with a valve core 12, the outer side of the middle inside of the valve body 1, which is close to the valve core 12, the valve core 12 is mutually matched with the valve core channel 13, an outer sleeve 7 is arranged in the middle of the outer side of the threaded rod 8, an external thread and an internal thread are respectively arranged between the outer side of the outer sleeve 7 and the inner wall of the installation bin body 15, the external thread and the internal thread are mutually matched, thereby ensuring the fixed connection between the outer sleeve 7 and the installation bin body 15 by arranging the external thread and the internal thread, a movable nut 11 is arranged at the edge position of the top of the outer sleeve 7, hinge rods 14 are uniformly arranged at the bottom of the outer side of the outer sleeve 7, arc-shaped pressing blocks 4 are hinged at the other ends of the hinge rods 14, the arc-shaped pressing blocks 4 are attached to the top of the annular sealing plug 3, the top of the arc-shaped pressing blocks 4 are attached to the bottom of the extrusion ring 5, lubricating grease is coated on the outer side of the arc-shaped pressing blocks 4, limiting rings are arranged at the edge position of the top of the annular sealing plug 3, and the friction force between the annular pressing blocks 3 and the arc-shaped pressing blocks 4 is reduced by arranging the lubricating grease, the top in the threaded rod 8 outside is provided with fixation nut 10, and the top of threaded rod 8 is provided with rotatory rim plate 9, and the outside of rotatory rim plate 9 is provided with the rubber sleeve, and the border position department at rotatory rim plate 9 top is provided with the handle, conveniently rotates adjusting threaded rod 8 through being provided with rotatory rim plate 9, is provided with mechanical seal component between the outside of threaded rod 8 and the top of 1 inner wall of valve body, through being provided with the leakproofness of mechanical seal component assurance device.

The valve core 12 and the valve plug channel 13 in the device are the prior art, and the composition structure and the connection mode are completely the same as those of the prior device.

The working principle is as follows: the device drives outer tube 7 to rotate and install the inner wall threaded connection installation of storehouse body 15 through twisting movable nut 11 when using, laminate the bottom of arc briquetting 4 with the top of annular sealing plug 3 this moment, and spacing ring through annular sealing plug 3 top border position carries on spacingly to arc briquetting 4, thereby constantly displacement downwards along with outer tube 7, make hinge rod 14 promote arc briquetting 4 displacement extrusion annular sealing plug 3 displacement downwards and compression spring A2, then accomplish the installation when outer tube 7 location, and then rotate threaded rod 8 and drive case 12 and rotate through the position between governing valve stopper passageway 13 and the case 12, thereby realize the function that the valve body opened and shut, when needs dismouting, at this moment through twisting movable nut 11 drive outer tube 7 and relieve and install the threaded connection between the storehouse body 15, thereby relieve the extrusion of arc briquetting 4 to annular sealing plug 3, and then take out outer tube 7 and arc briquetting 4 in the drive of threaded rod 8, and take out case 12 simultaneously, thereby current bolt connected mode has been optimized, efficiency is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as either a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a high-pressure plug valve that fracturing manifold used, includes valve body (1), its characterized in that: the top of the valve body (1) is provided with an installation cabin body (15), the edge position of the inner bottom of the installation cabin body (15) is uniformly provided with a spring A (2), the top of the spring A (2) is commonly provided with an annular sealing plug (3), the edge position of the inner top of the installation cabin body (15) is uniformly provided with a spring B (6), the bottom of the spring B (6) is commonly provided with an extrusion ring (5), the top of the installation cabin body (15) is provided with a threaded rod (8) which penetrates through the installation cabin body (15) and extends to the inner part of the valve body (1), the bottom of the threaded rod (8) is provided with a valve core (12), the outer side of the middle part of the inner part of the valve body (1) close to the valve core (12) is provided with a valve plug channel (13), the valve core (12) and the valve plug channel (13) are mutually matched, the middle part of the outer side of the threaded rod (8) is provided with an outer sleeve (7), the edge position of the top of the outer sleeve (7) is provided with a movable nut (11), the bottom of the outer side of the outer sleeve (7) is uniformly provided with a hinged rod (14), the other end of the hinged rod (14) is hinged with an arc-shaped pressing block (4), the arc-shaped pressing block (4) is mutually hinged with an arc-shaped pressing block (3), and the top of the arc-shaped pressing block (5), and a fixing nut (10) is arranged at the top of the outer side of the threaded rod (8).

2. The high pressure plug valve for a fracturing manifold of claim 1, wherein: the top of threaded rod (8) is provided with rotatory rim plate (9), the outside of rotatory rim plate (9) is provided with the rubber sleeve, the border position department at rotatory rim plate (9) top is provided with the handle.

3. The high pressure plug valve for a fracturing manifold of claim 1, wherein: both ends of the valve body (1) are provided with connecting flanges, and the inner sides of the connecting flanges are provided with sealing rubber rings.

4. The high pressure plug valve for a fracturing manifold of claim 1, wherein: and an external thread and an internal thread are respectively arranged between the outer side of the outer sleeve (7) and the inner wall of the mounting bin body (15), and the external thread and the internal thread are mutually matched.

5. The high pressure plug valve for a fracturing manifold of claim 1, wherein: and a mechanical sealing component is arranged between the outer side of the threaded rod (8) and the top of the inner wall of the valve body (1).

6. The high pressure plug valve for a fracturing manifold of claim 1, wherein: lubricating grease is coated on the outer side of the arc-shaped pressing block (4), and a limiting ring is arranged at the edge position of the top of the annular sealing plug (3).