CN219953292U

CN219953292U - Wellhead sealing device convenient to disassemble and assemble

Info

Publication number: CN219953292U
Application number: CN202321647791.8U
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: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-03
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses a wellhead sealing device convenient to disassemble and assemble, which relates to the technical field of wellhead sealing and aims to solve the problems that in the prior art, too much weight and too much volume are caused by too many sealing device components, and operation is influenced.

Description

Wellhead sealing device convenient to disassemble and assemble

Technical Field

The utility model relates to the technical field of wellhead sealing, in particular to a wellhead sealing device convenient to disassemble and assemble.

Background

Wellhead sealing refers to a way of separating the environment surrounding the wellhead from the interior of the wellbore at the mining site of an oil, gas or water well or the like. The well mouth sealing function is to ensure the safety protection between the well body and the environment, prevent the leakage of oil, gas, water and other substances or pollute the environment, and simultaneously ensure the safety detection and production operation in the well bore.

The utility model provides a well head sealing device convenient to dismouting, the technical scheme who adopts is provided with sealed lid through the outside of the well body, be provided with seal assembly between sealed lid and the well body, seal assembly includes fixed mounting in the connecting axle of sealed lid bottom, the outside fixedly connected with mounting panel of connecting axle, the outside swing joint of connecting axle has the closing plate, fixedly connected with spring between mounting panel and the closing plate, the bottom fixedly connected with joint board of connecting axle, the top fixedly connected with of closing plate runs through the mounting panel and the mounting bracket of sealed lid, cooperation between sealed lid and the closing plate has strengthened the sealed effect of sealed lid, outside sewage and toxic substance entering the well body have been stopped, this technical scheme still has following not enough, if seal assembly is too much leads to excessive weight, it is too big, the operation is influenced.

Disclosure of Invention

In view of the problems in the prior art, the utility model discloses a wellhead sealing device convenient to disassemble and assemble.

As a preferable technical scheme of the utility model, the well body and the sealing mechanism are connected together through the well body flange, the sealing mechanism flange and bolts, and sealing rings are arranged on the opposite surfaces of the well body flange and the sealing mechanism flange.

As a preferable technical scheme of the utility model, the sealing mechanism is a hollow cylinder, a spring groove is formed in the sealing mechanism, a spring is arranged in the spring groove, a spring plate is arranged on the spring plate, a sealing ring step is arranged on the sealing mechanism on the upper part of the spring plate, a sealing ring is arranged on the sealing ring step, a ring groove is formed in the upper part of the side surface of the sealing mechanism, and a sliding groove is formed in the upper part of the sealing mechanism.

As a preferable technical scheme of the utility model, a handle is arranged on the outer side of the fixed ring, a pulley is arranged on the inner side of the fixed ring, a fixed plate is arranged on the bottom surface of the fixed ring, a sliding shaft is arranged on the fixed plate, the handle, the pulley, the fixed plate and the sliding shaft are all annularly arranged on the fixed ring, and four groups of pulleys are arranged on the fixed ring, and are slidably connected into the annular groove, so that the fixed ring can rotate around the sealing mechanism.

As a preferable technical scheme of the utility model, the sealing mechanism is provided with the fixed block, sliding blocks are arranged on two sides of the fixed block, an inclined sliding groove is arranged in the middle of the fixed block, the sliding blocks are connected to the sliding grooves in a sliding manner, and the sliding shafts are connected to the inclined sliding grooves in a sliding manner and can rotate through the fixed ring so as to enable the fixed block to move forwards and backwards.

As an optimized technical scheme of the utility model, the well cover is arranged on the sealing ring step, a fixing groove is formed in the upper portion of the side face of the well cover, a sealing ring is arranged on the well cover, an inner cover is arranged at the bottom of the well cover, and a sealing ring is arranged at the bottom of the inner cover.

The utility model has the beneficial effects that: according to the utility model, the well lid and the sealing mechanism are separated, so that the sealing can be opened only by disassembling the well lid with a simple structure, the well lid is light in weight and simple in structure, faults caused by normal disassembly are avoided, the first sealing can be realized by the elastic plate and the inner cover due to large volume and large weight, the sealing ring step and the well lid realize the second sealing, the two sealing effects are achieved, and the well lid can be quickly fixed on the sealing mechanism through the linkage of the fixing ring and the fixing block, so that quick disassembly and quick installation are realized.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below; throughout the drawings, the elements or portions are not necessarily drawn to actual scale.

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

FIG. 2 is an exploded view of the structure of the present utility model;

FIG. 3 is a top view of the structure of the present utility model;

FIG. 4 is a front view of the structure of the present utility model;

FIG. 5 is a cross-sectional view of the structure A-A of the present utility model;

FIG. 6 is an enlarged view of structure E of the present utility model;

FIG. 7 is a schematic view of a sealing mechanism of the present utility model;

FIG. 8 is a front view of the sealing mechanism of the present utility model;

FIG. 9 is a cross-sectional view of a seal mechanism B-B of the present utility model;

FIG. 10 is a schematic view of a retaining ring according to the present utility model;

FIG. 11 is a schematic view of a mounting block of the present utility model;

fig. 12 is a schematic view of a manhole cover according to the present utility model.

In the figure: 1. a well body; 101. a well body flange; 2. a bolt; 3. a sealing mechanism; 301. a chute; 302. a spring plate; 303. a fixed block; 3031. a slide block; 3032. an inclined chute; 305. a sealing mechanism flange; 306. a ring groove; 307. a spring; 308. a spring groove; 304. a sealing ring step; 4. a well cover; 401. a fixing groove; 402. a seal ring; 403. an inner cover; 5. a fixing ring; 501. a pulley; 502. a handle; 503. a fixing plate; 504. a sliding shaft.

Detailed Description

As shown in fig. 1 to 12, the utility model discloses a wellhead sealing device convenient to disassemble and assemble, and adopts the technical scheme that a well body flange 101 is arranged on a well body 1, the well body flange 101 is connected with a sealing mechanism flange 305 through bolts 2, and the sealing mechanism flange 305 is provided with a sealing mechanism 3.

As a preferable technical scheme of the present utility model, as shown in fig. 5 to 9, a spring groove 308 is provided in the sealing mechanism 3, a spring 307 is provided in the spring groove 308, a spring plate 302 is provided on the spring 307, a ring groove 306 is provided on the upper side of the sealing mechanism 3, a sealing ring step 304 is provided on the inner side of the corresponding position of the ring groove 306, and a sliding groove 301 is provided on the upper end surface of the sealing mechanism 3 in an annular array.

As a preferred embodiment of the present utility model, as shown in fig. 5 to 11, the chute 301 has a fixed block 303, and the fixed block 303 is slidably coupled to the chute 301 through the slider 3031.

As a preferred solution of the present utility model, as shown in fig. 5 to 11, a fixing ring 5 is disposed above the chute 301, a handle 502 is disposed on a side of the fixing ring 5, a fixing plate 503 is disposed on one surface of the fixing ring 5, a sliding shaft 504 is disposed on the fixing plate 503, a pulley 501 is disposed in a middle portion of an inner side of the fixing ring 5, the handle 502, the fixing plate 503, the sliding shaft 504 and the pulley 501 are all in an annular array, four groups are arrayed, the pulley 501 is slidably connected into the annular groove 306, and the sliding shaft 504 is slidably connected into the inclined chute 3032.

As a preferable solution of the present utility model, as shown in fig. 12, the sealing mechanism 3 is provided with a well lid 4, a fixing groove 401 is provided on the outer side of the well lid 4, and a sealing ring 402 is provided below the fixing groove 401.

The working principle of the utility model is as follows: when the wellhead needs to be opened, the handle 502 is pulled to rotate leftwards, the fixed ring 5 rotates leftwards under the sliding movement of the pulley 501 and the ring groove 306, and under the sliding connection of the sliding shaft 504 and the inclined sliding groove 3032, the fixed block 303 can be pulled outwards, so that the fixed block 303 is separated from the fixed groove 401, and at the moment, the well lid 4 is separated from the sealing mechanism 3, and the wellhead is opened.

When the wellhead is to be sealed, the well lid 4 is pressed into the sealing mechanism 3, the spring plate 302 is pressed, the spring 307 is compressed, the spring plate 302 and the inner cover 403 are pressed, the sealing is performed, the fixed ring 5 is rotated rightward, the fixed block 303 is moved inward under the action of the sliding shaft 504 and the inclined sliding groove 3032, the fixed block 303 is clamped into the fixed groove 401, and the well lid 4 is fixed on the sealing mechanism 3.

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 a well head sealing device convenient to dismouting, includes well body (1), its characterized in that: the well body (1) is provided with a well body flange (101), the well body flange (101) is provided with a sealing mechanism flange (305), the sealing mechanism flange (305) is provided with a sealing mechanism (3), the sealing mechanism (3) is provided with a fixed block (303), a fixed ring (5) is arranged above the fixed block (303), and a well lid (4) is arranged in the fixed ring (5).

2. The wellhead sealing device for facilitating disassembly and assembly of claim 1, wherein: the well body (1) and the sealing mechanism (3) are connected together through the well body flange (101), the sealing mechanism flange (305) and the bolts (2).

3. A wellhead sealing device for facilitating disassembly and assembly as claimed in claim 2, wherein: the sealing mechanism (3) is a hollow cylinder, a spring groove (308) is formed in the sealing mechanism, a spring (307) is arranged in the spring groove (308), a spring plate (302) is arranged on the spring (307), a sealing ring step (304) is arranged on the sealing mechanism (3) on the upper portion of the spring plate (302), an annular groove (306) is formed in the upper portion of the side face of the sealing mechanism (3), and a sliding groove (301) is formed in the upper portion of the sealing mechanism (3).

4. A wellhead sealing device for facilitating disassembly and assembly as claimed in claim 3, wherein: the fixed ring (5) outside is equipped with handle (502), there is pulley (501) fixed ring (5) inboard, fixed ring (5) bottom surface is equipped with fixed plate (503), be equipped with slide shaft (504) on fixed plate (503), just handle (502) pulley (501), fixed plate (503) with slide shaft (504) all annular array extremely on fixed ring (5), and have four groups, pulley (501) sliding connection to in annular groove (306).

5. The wellhead sealing device for facilitating disassembly and assembly as claimed in claim 4 wherein: the sealing mechanism (3) is provided with a fixed block (303), two sides of the fixed block (303) are provided with sliding blocks (3031), the middle part of the fixed block (303) is provided with inclined sliding grooves (3032), the sliding blocks (3031) are connected onto the sliding grooves (301) in a sliding mode, and the inclined sliding grooves (3032) are connected with the sliding shafts (504) in a sliding mode.

6. The wellhead sealing device of claim 5, wherein the wellhead sealing device is adapted to be easily removed and installed, and wherein: the well lid (4) is arranged on the sealing ring step (304), a fixing groove (401) is formed in the upper portion of the side face of the well lid (4), a sealing ring (402) is arranged on the well lid (4), and an inner cover (403) is arranged at the bottom of the well lid (4).