CN216240539U

CN216240539U - High-reliability bridge plug for oil exploitation

Info

Publication number: CN216240539U
Application number: CN202122341792.7U
Authority: CN
Inventors: 田应毕
Original assignee: Individual
Current assignee: Mudanjiang Jingtian Oil Drilling Accessories Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-08
Anticipated expiration: 2031-09-27

Abstract

The utility model discloses a bridge plug with high use reliability for oil exploitation, which comprises a box body, wherein a buffering support mechanism is fixedly arranged at the bottom of the inner wall of the box body, a positioning clamping mechanism is fixedly arranged at the top of the inner wall of the box body, a bridge plug body is arranged in the box body and corresponds to the position between the buffering support mechanism and the positioning clamping mechanism, an access opening is formed in the right side of the box body, a sealing plug is arranged in the access opening, the buffering support mechanism comprises a base, the base is fixedly connected to the bottom of the inner wall of the box body, sliding grooves are symmetrically formed in the top of the base, and a limiting cross rod is fixedly connected between the left side and the right side of the inner wall of the sliding groove. This oil development is with using bridge plug that reliability is high, structural design is reasonable, and convenient to use can provide certain guard action when transporting the bridge plug, has prevented the surface wear who leads to because of external force factor, has guaranteed the degree of safety that the later stage was used, and then satisfies diversified demand.

Description

High-reliability bridge plug for oil exploitation

Technical Field

The utility model relates to the technical field of oil exploitation equipment, in particular to a bridge plug with high use reliability in oil exploitation.

Background

Bridge plug for oil development of prior art mostly does not have better reliability, leads to surperficial wearing and tearing because of external force factor easily when transporting it, and then influences the degree of safety of later stage use, brings unnecessary trouble and loss, is difficult to satisfy diversified demand, for this we have proposed a bridge plug that oil development is with using reliability height to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bridge plug with high use reliability for oil exploitation, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a bridge plug with high use reliability for oil exploitation comprises a box body, wherein a buffering support mechanism is fixedly mounted at the bottom of the inner wall of the box body, a positioning clamping mechanism is fixedly mounted at the top of the inner wall of the box body, a bridge plug body is arranged in the box body and corresponds to the position between the buffering support mechanism and the positioning clamping mechanism, an access opening is formed in the right side of the box body, and a sealing plug is arranged in the access opening;

the buffer support mechanism comprises a base, the base is fixedly connected to the bottom of the inner wall of the box body, sliding grooves are symmetrically formed in the top of the base, a limiting cross rod is fixedly connected between the left side and the right side of the inner wall of the sliding groove, a return spring and a sliding sleeve are respectively sleeved on the surface of the limiting cross rod, one side, close to the inner wall of the sliding groove, of the return spring is fixedly connected with the inner wall of the sliding groove, one end, close to the sliding sleeve, of the return spring is in mutual contact with the sliding sleeve, the top of the sliding sleeve penetrates through the sliding groove and extends to the outside of the sliding sleeve to be fixedly provided with a first connecting seat, the top of the base is fixedly connected with a lower supporting seat through two first telescopic rods, a second connecting seat is symmetrically arranged at the bottom of the lower supporting seat, and the first connecting seat and the second connecting seat which are positioned on the same side are movably connected through a push-pull rod;

clamping mechanism includes swivel nut and second telescopic link, swivel nut fixed connection is at the top of box, the quantity of second telescopic link is two and the symmetry is installed at box inner wall top, and the bottom of two second telescopic links compresses tightly a fixed connection through last, on compress tightly a top and correspond the fixed position of swivel nut and have the adapter sleeve, the top of swivel nut is equipped with the screw rod, the bottom of screw rod is run through the swivel nut and is extended to the inside fixedly connected with rotation block of adapter sleeve.

Preferably, the sliding sleeve is provided with a first ball at the inner side corresponding to the position of the limiting cross rod, and a second ball is arranged at the outer side of the rotating block corresponding to the position of the inner wall of the connecting sleeve.

Preferably, the inner wall of lower carriage is gone up fixedly connected with first cushion, on compress tightly fixedly connected with second cushion on the inner wall of seat, the bridging plug body sets up in the inboard of first cushion and second cushion.

Preferably, the top end of the screw rod is fixedly connected with a rocking handle, and the right side of the top of the box body is fixedly connected with a handle.

Preferably, the surface of the screw rod is provided with an external thread, and the inner wall of the screw sleeve is provided with an internal thread matched with the external thread.

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

1. the utility model is characterized in that after the bridge plug body is placed at the inner side of the lower support seat through the access port, the screw rod is rotated, the rotating block is driven to rotate downwards through the threaded connection with the screw sleeve, the connecting sleeve drives the upper pressing seat to move vertically downwards under the connection of the second telescopic rod, the bridge plug body is pressed from the upper part, meanwhile, under the connection of the first telescopic rod, a part of downward acting force can simultaneously drive the lower support seat to move vertically downwards, under the movable connection of the first connecting seat, the second connecting seat and the push-pull rod, the sliding sleeve is pushed to translate on the surface of the limit cross rod, and the return spring is pressed, so that a better buffer effect is realized, and the bridge plug body is protected. The safety degree of later-stage use is guaranteed, and then the multi-directional requirement is met.

2. According to the utility model, the first ball and the second ball are arranged, so that the friction abrasion between the inner side of the sliding sleeve and the surface of the limiting cross rod is reduced by the first ball when the sliding sleeve moves, the friction abrasion between the outer side of the rotating block and the inner wall of the connecting sleeve is reduced by the second ball when the rotating block rotates, the surface of the bridge plug body is prevented from directly contacting with the inner walls of the lower supporting seat and the upper pressing seat to cause abrasion by the arrangement of the first cushion and the second cushion, the rocking handle is convenient for a user to rotate the screw rod by the arrangement of the rocking handle and the handle, the convenience of operation is improved, and the handle is convenient for holding the device.

Drawings

FIG. 1 is a structural cross-sectional view of a front view of the present invention;

FIG. 2 is a sectional view of the front view of the buffering support mechanism of the present invention;

FIG. 3 is a structural cross-sectional view of a front view of the positioning and clamping mechanism of the present invention.

In the figure: the device comprises a box body 1, a buffer supporting mechanism 2, a base 21, a sliding groove 22, a limiting cross rod 23, a return spring 24, a sliding sleeve 25, a first connecting seat 26, a first telescopic rod 27, a lower supporting seat 28, a second connecting seat 29, a push-pull rod 210, a first ball 211, a first cushion 212, a positioning and clamping mechanism 3, a threaded sleeve 31, a second telescopic rod 32, an upper pressing seat 33, a connecting sleeve 34, a screw rod 35, a rotating block 36, a second ball 37, a second cushion 38, a rocking handle 39, a bridge plug body 4, an access opening 5, a sealing plug 6 and a handle 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a bridge plug with high reliability in use for oil exploitation comprises a box body 1, a buffering support mechanism 2 is fixedly mounted at the bottom of the inner wall of the box body 1, a positioning and clamping mechanism 3 is fixedly mounted at the top of the inner wall of the box body 1, a bridge plug body 4 is arranged inside the box body 1 and corresponding to the position between the buffering support mechanism 2 and the positioning and clamping mechanism 3, an access opening 5 is formed in the right side of the box body 1, and a sealing plug 6 is arranged in the access opening 5.

Buffer support mechanism 2 includes base 21, base 21 fixed connection is in the bottom of 1 inner wall of box, spout 22 has been seted up to base 21's top symmetry, fixedly connected with limit horizontal pole 23 between the left and right sides of spout 22 inner wall, limit horizontal pole 23's surface is overlapped respectively and is equipped with return spring 24 and sliding sleeve 25, return spring 24 is close to one side and spout 22 inner wall fixed connection of spout 22 inner wall, return spring 24 is close to sliding sleeve 25's one end and sliding sleeve 25 mutual contact, sliding sleeve 25's top is run through spout 22 and is extended to its outside fixed mounting and have first connecting seat 26, two first telescopic link 27 fixedly connected with under bracing seats 28 are passed through at base 21's top, second connecting seat 29 is installed to the bottom symmetry of under bracing seat 28, be located between first connecting seat 26 of homonymy and the second connecting seat 29 through push-pull rod 210 swing joint.

Clamping mechanism 3 includes swivel nut 31 and second telescopic link 32, swivel nut 31 fixed connection is at the top of box 1, the quantity of second telescopic link 32 is two and the symmetry is installed at box 1 inner wall top, the bottom of two second telescopic links 32 is through last seat 33 fixed connection that compresses tightly, it has adapter sleeve 34 just to correspond the fixed position of swivel nut 31 to go up to compress tightly the seat 33 top, the top of swivel nut 31 is equipped with screw rod 35, the bottom of screw rod 35 runs through swivel nut 31 and extends to the inside fixedly connected with rotating block 36 of adapter sleeve 34.

Specifically, the inner side of the sliding sleeve 25 is provided with a first ball 211 corresponding to the position of the limiting cross rod 23, the outer side of the rotating block 36 is provided with a second ball 37 corresponding to the position of the inner wall of the connecting sleeve 34, by arranging the first ball 211 and the second ball 37, the first ball 211 reduces the friction and wear between the inner side of the sliding sleeve 25 and the surface of the limiting cross rod 23 when the sliding sleeve moves, and the second ball 37 reduces the friction and wear between the outer side of the rotating block 36 and the inner wall of the connecting sleeve 34 when the rotating block rotates.

Specifically, the first cushion 212 of fixedly connected with on the inner wall of lower carriage 28, fixedly connected with second cushion 38 on the inner wall of last pressing seat 33, bridging plug body 4 sets up in the inboard of first cushion 212 and second cushion 38, through setting up first cushion 212 and second cushion 38, prevents bridging plug body 4 surface and lower carriage 28 and last pressing seat 33 inner wall direct contact, brings wearing and tearing.

Specifically, the top fixedly connected with rocking handle 39 of screw rod 35, the right side fixedly connected with handle 7 at box 1 top, through setting up rocking handle 39 and handle 7, rocking handle 39 convenient to use person rotates screw rod 35, has improved the convenient degree of operation, and handle 7 is convenient for control the device.

Specifically, the surface of the screw rod 35 is provided with an external thread, and the inner wall of the threaded sleeve 31 is provided with an internal thread matched with the external thread.

This oil development is with using bridge plug that reliability is high, structural design is reasonable, and convenient to use can provide certain guard action when transporting the bridge plug, has prevented the surface wear who leads to because of external force factor, has guaranteed the degree of safety that the later stage was used, and then satisfies diversified demand.

During the use, place bridging plug body 4 behind lower carriage 28 inboard through access hole 5, rotate screw 35, through the threaded connection between with the swivel nut 31, drive rotatory piece 36 swivelling movement downwards, and under the connection of second telescopic link 32, make adapter sleeve 34 drive go up compress tightly seat 33 and vertically move downwards, compress tightly bridging plug body 4 from the top, meanwhile under the connection of first telescopic link 27, a part of effort downwards can drive lower carriage 28 and vertically move downwards simultaneously, under the swing joint of first adapter sleeve 26, second adapter sleeve 29 and push-and-pull rod 210, promote sliding sleeve 25 in the translation of spacing horizontal pole 23 surface, and compress tightly return spring 24, realize better cushioning effect, and then form the protection to bridging plug body 4.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil development is with bridging plug that use reliability is high, includes box (1), its characterized in that: the bottom of the inner wall of the box body (1) is fixedly provided with a buffering supporting mechanism (2), the top of the inner wall of the box body (1) is fixedly provided with a positioning clamping mechanism (3), a bridge plug body (4) is arranged in the box body (1) and corresponds to the position between the buffering supporting mechanism (2) and the positioning clamping mechanism (3), the right side of the box body (1) is provided with an access opening (5), and a sealing plug (6) is arranged in the access opening (5);

the buffer support mechanism (2) comprises a base (21), the base (21) is fixedly connected to the bottom of the inner wall of the box body (1), sliding grooves (22) are symmetrically formed in the top of the base (21), limiting cross rods (23) are fixedly connected between the left side and the right side of the inner wall of the sliding grooves (22), return springs (24) and sliding sleeves (25) are respectively sleeved on the surfaces of the limiting cross rods (23), one sides, close to the inner wall of the sliding grooves (22), of the return springs (24) are fixedly connected with the inner wall of the sliding grooves (22), one ends, close to the sliding sleeves (25), of the return springs (24) are in mutual contact with the sliding sleeves (25), the top of the sliding sleeves (25) penetrates through the sliding grooves (22) and extends to the outer portions of the sliding sleeves to be fixedly provided with first connecting seats (26), and the top of the base (21) is fixedly connected with lower supporting seats (28) through two first telescopic rods (27), the bottom of the lower supporting seat (28) is symmetrically provided with second connecting seats (29), and the first connecting seat (26) and the second connecting seat (29) which are positioned on the same side are movably connected through a push-pull rod (210);

clamping mechanism (3) include swivel nut (31) and second telescopic link (32), swivel nut (31) fixed connection is at the top of box (1), the quantity of second telescopic link (32) is two and the symmetry is installed at box (1) inner wall top, and the bottom of two second telescopic links (32) compresses tightly seat (33) fixed connection through last, on compress tightly seat (33) top and correspond the position fixed mounting of swivel nut (31) and have adapter sleeve (34), the top of swivel nut (31) is equipped with screw rod (35), the bottom of screw rod (35) is run through swivel nut (31) and is extended to adapter sleeve (34) inside fixedly connected with rotation block (36).

2. The bridge plug with high use reliability for oil exploitation according to claim 1, wherein: the position that sliding sleeve (25) inboard just corresponds spacing horizontal pole (23) is equipped with first ball (211), the position that just corresponds adapter sleeve (34) inner wall in rotatory piece (36) outside is equipped with second ball (37).

3. The bridge plug with high use reliability for oil exploitation according to claim 2, wherein: fixedly connected with first cushion (212) on the inner wall of lower carriage (28), fixedly connected with second cushion (38) on the inner wall of last pressure tight seat (33), bridging plug body (4) set up in the inboard of first cushion (212) and second cushion (38).

4. A bridge plug with high reliability in use for oil exploitation according to claim 3, wherein: the top end of the screw rod (35) is fixedly connected with a rocking handle (39), and the right side of the top of the box body (1) is fixedly connected with a handle (7).

5. The bridge plug with high use reliability for oil exploitation according to claim 4, wherein: the surface of the screw rod (35) is provided with an external thread, and the inner wall of the screw sleeve (31) is provided with an internal thread matched with the external thread.