CN213743332U

CN213743332U - Temporary blowout preventer

Info

Publication number: CN213743332U
Application number: CN202023013509.XU
Authority: CN
Inventors: 郑松斌
Original assignee: Yangzhou Youtian Jinda Industrial Co ltd
Current assignee: Yangzhou Youtian Jinda Industrial Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-07-20
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses a temporary blowout preventer, including main part, side column, rain-proof lid and fixture block, the top fixedly connected with bayonet socket of main part, and the inside swing joint of bayonet socket has rain-proof lid, the bottom fixedly connected with fixture block of rain-proof lid, and the outside of main part is provided with the draw-in groove, the bottom of main part is provided with mounting structure, the equal fixedly connected with side column in both sides of main part, and the inside of side column all is provided with limit structure, limit structure is including first stopper, commentaries on classics piece, preformed groove and second stopper, the preformed groove all sets up the inside at the side column, the equal fixedly connected with second stopper of one end of preformed groove inside. The utility model discloses an there is rain-proof lid in the inside swing joint of bayonet socket, passes through the fixture block with rain-proof lid and fixes on the top of bayonet socket, and the draw-in groove can block in the outside of bayonet socket, fixes rain-proof lid, and usable rain-proof lid prevents that the rainwater from getting into the inside of main part, plays water-proof effects.

Description

Temporary blowout preventer

Technical Field

The utility model relates to a blowout preventer technical field specifically is a temporary blowout preventer.

Background

The oil field need carry out various operations at the development in-process, and these operations generally can't go on simultaneously, so just need seal the oil well that need not operate temporarily, seal the oil well and just need use interim blowout preventer, interim blowout preventer generally divide into totally seals formula and half and seals the formula, can be convenient for carry out work to the oil well, when needing to use, just open blowout preventer:

traditional blowout preventer, because be not convenient for seal, very inconvenient in the use, it is very low to seal efficiency, and seals the effect poor, is not convenient for carry out work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a temporary blowout preventer to provide and be not convenient for carry out the confined problem in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a temporary blowout preventer comprises a main body, side columns, a rain cover and a clamping block, wherein the top end of the main body is fixedly connected with a bayonet, the interior of the bayonet is movably connected with the rain cover, the bottom end of the rain cover is fixedly connected with the clamping block, the outer side of the main body is provided with a clamping groove, the bottom end of the main body is provided with an installation structure, the two sides of the main body are fixedly connected with the side columns, the interior of each side column is provided with a limiting structure, each limiting structure comprises a first limiting block, a rotating block, a reserved groove and a second limiting block, the reserved grooves are arranged in the side columns, one end of the interior of each reserved groove is fixedly connected with the second limiting block, the interior of each reserved groove is fixedly connected with the rotating block, one end of each rotating block is fixedly connected with the first limiting block, the interior of each side column is movably connected with a rotating shaft, and a sealing ring is fixedly connected between adjacent rotating shafts, the both sides of commentaries on classics piece all with pivot fixed connection, the equal fixedly connected with baffle in top and the bottom in the sealing washer outside, the equal fixedly connected with control valve in one side of pivot.

Preferably, mounting structure is including mounting flange, screw thread post, fixed block and preformed hole, mounting flange fixed connection is in the bottom of main part, mounting flange's the outside evenly is provided with the preformed hole, the inside swing joint in preformed hole has the screw thread post, and the top of screw thread post and the equal swing joint in bottom have the fixed block.

Preferably, the external diameter of screw thread post is less than the internal diameter of preformed hole, the preformed hole is equidistant distribution on mounting flange.

Preferably, the sealing ring is arranged in a circular shape, and the baffles are symmetrically distributed about a horizontal center line of the sealing ring.

Preferably, the bayonet and the clamping block are matched with each other, and the rainproof cover forms a clamping structure between the clamping block and the bayonet.

Preferably, the rotating block is matched with the reserved groove, and a sliding structure is formed between the rotating block and the reserved groove.

Compared with the prior art, the beneficial effects of the utility model are that: the temporary blowout preventer is reasonable in structure and has the following advantages:

(1) the control valve is fixedly connected to one side of the rotating shaft, the control valve drives the sealing ring to rotate through the rotating shaft, the main body is sealed through the sealing ring, the rotating shaft drives the rotating block and the first limiting block to rotate in the reserved groove in the rotating process, and the limiting is performed under the action of the second limiting block, so that the excessive rotation is avoided, the sealing ring is better controlled, the main body is sealed, and the sealing effect is better;

(2) the fixing blocks are movably connected to the top end and the bottom end of the threaded column, the fixing block at the bottom end is detached, the mounting flange is connected with the wellhead, the wellhead is connected with the mounting flange through the threaded column, and the wellhead is fixed through the fixing blocks, so that the main body is simple and rapid in mounting mode and convenient to mount;

(3) have rain-proof lid through the inside swing joint at the bayonet socket, pass through the fixture block with rain-proof lid and fix on the top of bayonet socket, draw-in groove meeting block is fixed rain-proof lid in the outside of bayonet socket, and usable rain-proof lid prevents that the rainwater from getting into the inside of main part, plays water-proof effects.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of the installation structure of the present invention from the bottom;

FIG. 3 is a schematic view of a partial cross-sectional structure of a side post according to the present invention;

fig. 4 is a schematic side view of the side pillar of the present invention.

In the figure: 1. a main body; 2. a side post; 3. a control valve; 4. a mounting structure; 401. installing a flange; 402. a threaded post; 403. a fixed block; 404. reserving a hole; 5. a baffle plate; 6. a rotating shaft; 7. a seal ring; 8. a bayonet; 9. a rain cover; 10. a clamping block; 11. a card slot; 12. a limiting structure; 1201. a first stopper; 1202. rotating the block; 1203. reserving a groove; 1204. and a second limiting block.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a temporary blowout preventer comprises a main body 1, a side column 2, a rain cover 9 and a clamping block 10, wherein the top end of the main body 1 is fixedly connected with a bayonet 8, the interior of the bayonet 8 is movably connected with the rain cover 9, the bottom end of the rain cover 9 is fixedly connected with the clamping block 10, a clamping groove 11 is formed in the outer side of the main body 1, the bayonet 8 and the clamping block 10 are mutually matched, and the rain cover 9 forms a clamping structure with the bayonet 8 through the clamping block 10, so that the temporary blowout preventer is convenient to detach and install;

the mounting structure 4 is arranged at the bottom end of the main body 1, the mounting structure 4 comprises a mounting flange 401, threaded columns 402, fixing blocks 403 and preformed holes 404, the mounting flange 401 is fixedly connected to the bottom end of the main body 1, the preformed holes 404 are uniformly arranged on the outer side of the mounting flange 401, the threaded columns 402 are movably connected to the inner portions of the preformed holes 404, and the fixing blocks 403 are movably connected to the top end and the bottom end of each threaded column 402;

the outer diameter of the threaded column 402 is smaller than the inner diameter of the preformed hole 404, the preformed hole 404 is distributed on the mounting flange 401 at equal intervals, so that the fixing is more stable, the fixing block 403 at the bottom end is detached, the mounting flange 401 is connected with a wellhead, the wellhead is connected with the mounting flange 401 through the threaded column 402, and the wellhead is fixed through the threaded column 402 through the fixing block 403;

both sides of the main body 1 are fixedly connected with side columns 2, limiting structures 12 are arranged inside the side columns 2, each limiting structure 12 comprises a first limiting block 1201, a rotating block 1202, a reserved groove 1203 and a second limiting block 1204, the reserved groove 1203 is arranged inside the side column 2, one end inside the reserved groove 1203 is fixedly connected with the second limiting block 1204, the rotating block 1202 is fixedly connected inside the reserved groove 1203, and one end of the rotating block 1202 is fixedly connected with the first limiting block 1201;

the rotating block 1202 and the preformed groove 1203 are matched with each other, a sliding structure is formed between the rotating block 1202 and the preformed groove 1203, so that control is facilitated, after fixing is completed, the control valve 3 drives the sealing ring 7 to rotate through the rotating shaft 6, the main body 1 is sealed through the sealing ring 7, the rotating shaft 6 drives the rotating block 1202 and the first limiting block 1201 to rotate inside the preformed groove 1203 in the rotating process, limiting is performed under the action of the second limiting block 1204, and the sealing ring 7 seals the main body 1;

the inner parts of the side columns 2 are movably connected with rotating shafts 6, sealing rings 7 are fixedly connected between the adjacent rotating shafts 6, the sealing rings 7 are arranged in a circular shape, and the baffle plates 5 are symmetrically distributed about the horizontal central line of the sealing rings 7, so that the sealing effect of the sealing rings 7 is better;

the both sides of commentaries on classics piece 1202 all with 6 fixed connection of pivot, the equal fixedly connected with baffle 5 in top and the bottom in the sealing washer 7 outside, the equal fixedly connected with control valve 3 in one side of pivot 6, after the closure, fix rain-proof lid 9 on the top of bayonet socket 8 through fixture block 10, draw-in groove 11 can block in the outside of bayonet socket 8, fix rain-proof lid 9, usable rain-proof lid 9 prevents that the rainwater from getting into the inside of main part 1.

The working principle is as follows: when the wellhead mounting device is used, firstly, the fixing block 403 at the bottom end is detached, the mounting flange 401 is connected with a wellhead, the wellhead is connected with the mounting flange 401 through the threaded column 402, and the wellhead is fixed through the threaded column 402 through the fixing block 403;

after the fixing is finished, the control valve 3 drives the sealing ring 7 to rotate through the rotating shaft 6, the main body 1 is sealed by the sealing ring 7, the rotating shaft 6 drives the rotating block 1202 and the first limiting block 1201 to rotate in the reserved groove 1203 in the rotating process, and the limiting is performed under the action of the second limiting block 1204, so that the sealing ring 7 seals the main body 1;

finally, after the closure is finished, rain-proof lid 9 is fixed on the top end of bayonet 8 through fixture block 10, and draw-in groove 11 can block in the outside of bayonet 8, fixes rain-proof lid 9, and usable rain-proof lid 9 prevents that the rainwater from getting into the inside of main part 1.

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.

Claims

1. The utility model provides a temporary blowout preventer, includes main part (1), side column (2), rain-proof lid (9) and fixture block (10), its characterized in that: the top end of the main body (1) is fixedly connected with a bayonet (8), the interior of the bayonet (8) is movably connected with a rain cover (9), the bottom end of the rain cover (9) is fixedly connected with a clamping block (10), the outer side of the main body (1) is provided with a clamping groove (11), the bottom end of the main body (1) is provided with a mounting structure (4), two sides of the main body (1) are fixedly connected with side columns (2), the interior of each side column (2) is provided with a limiting structure (12), each limiting structure (12) comprises a first limiting block (1201), a rotating block (1202), a reserved groove (1203) and a second limiting block (1204), the reserved groove (1203) is arranged in the side columns (2), one end of the interior of the reserved groove (1203) is fixedly connected with the second limiting block (1204), and the interior of the reserved groove (1203) is fixedly connected with the rotating block (1202), and the equal fixedly connected with first stopper (1201) of one end of commentaries on classics piece (1202), the equal swing joint in inside of side post (2) has pivot (6), and fixedly connected with sealing washer (7) between adjacent pivot (6), the both sides of commentaries on classics piece (1202) all with pivot (6) fixed connection, the equal fixedly connected with baffle (5) in top and the bottom in the sealing washer (7) outside, the equal fixedly connected with control valve (3) in one side of pivot (6).

2. A temporary blowout preventer according to claim 1, wherein: mounting structure (4) are including mounting flange (401), screw thread post (402), fixed block (403) and preformed hole (404), mounting flange (401) fixed connection is in the bottom of main part (1), the outside of mounting flange (401) evenly is provided with preformed hole (404), the inside swing joint of preformed hole (404) has screw thread post (402), and the equal swing joint in top and the bottom of screw thread post (402) has fixed block (403).

3. A temporary blowout preventer according to claim 2, wherein: the external diameter of screw thread post (402) is less than the internal diameter of preformed hole (404), preformed hole (404) are equidistant distribution on mounting flange (401).

4. A temporary blowout preventer according to claim 1, wherein: the sealing ring (7) is arranged in a circular shape, and the baffle plates (5) are symmetrically distributed about the horizontal center line of the sealing ring (7).

5. A temporary blowout preventer according to claim 1, wherein: bayonet socket (8) and fixture block (10) are mutually supported, rain-proof lid (9) pass through and constitute the block structure between fixture block (10) and bayonet socket (8).

6. A temporary blowout preventer according to claim 1, wherein: the rotating block (1202) is matched with the reserved groove (1203), and a sliding structure is formed between the rotating block (1202) and the reserved groove (1203).