CN216429552U

CN216429552U - Step-by-step pressure test blanking plug

Info

Publication number: CN216429552U
Application number: CN202122922088.0U
Authority: CN
Inventors: 刘志坤; 候丹丹; 程宇
Original assignee: Mudanjiang Ruitai Petroleum Machinery Co ltd
Current assignee: Mudanjiang Ruitai Petroleum Machinery Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-03
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a pressure testing blanking plug step by step, including being responsible for the body, it has the connector to be responsible for the fixed even of body roof, connector inner wall fixedly connected with sealing washer, be responsible for the inner wall symmetry of the body and seted up cavity and dead slot, the cavity inner wall rotates and is connected with the lead screw, lead screw lateral wall threaded connection has the nut, nut diapire symmetry fixedly connected with pull rod, the first wedge of one end fixedly connected with of pull rod, cavity inner wall runs through sliding connection and has the second wedge, second wedge lateral wall fixedly connected with fixture block, the draw-in groove has been seted up to rubber sleeve inner wall symmetry. The utility model discloses in, when fixed to the rubber sleeve, through pivot, a plurality of cone pulley and nut isotructure, make first wedge lapse and second wedge counterbalance contact, the second wedge receives the extrusion and slides to the outside, and then the second wedge drives the fixture block card and establishes in the draw-in groove, carries out spacing fixed to the rubber sleeve, avoids the rubber sleeve to produce and slides.

Description

Step-by-step pressure test blanking plug

Technical Field

The utility model relates to a pressure testing blanking plug technical field especially relates to pressure testing blanking plug step by step.

Background

In the process of petroleum, natural gas and geological exploration drilling, in order to reach the preset drilling depth, drill bits with different specifications and diameters need to be adopted for segmented drilling, each time the specification of the drill bit is changed, a sleeve is put to perform sealing operation, and then a pressure test blanking plug is used for checking the sealing effect of the sleeve.

Through search, patent with application number CN 202021967057.6: the utility model provides a pressure testing blanking plug, supports stop gear's setting through many places, guarantees the stability of blanking plug rubber sleeve to the stability in use of blanking plug has been guaranteed, but also has some not enoughly: need fixed a plurality of support limit structure carry on spacingly to the rubber sleeve if in this pressure testing blanking plug, when the user changes the maintenance to the rubber sleeve, it is troublesome to dismantle the process of rubber sleeve to the process of installation rubber sleeve is also very troublesome, need carry out a large amount of loaded down with trivial details operations, overhauls and changes inefficiency, and extravagant a large amount of human costs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a step-by-step pressure test blanking plug.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

step-by-step pressure test blanking plug, including being responsible for the body, it has the connector to be responsible for the fixed even of body roof, connector inner wall fixedly connected with sealing washer, it is equipped with the rubber sleeve to be responsible for body lateral wall cover, the external screw thread has been seted up to the lateral wall of connector, the internal thread has been seted up to the inside wall of connector, be responsible for the inner wall symmetry of the body and seted up cavity and dead slot, cavity inner wall rotation is connected with the lead screw, lead screw lateral wall threaded connection has the nut, nut diapire symmetry fixedly connected with pull rod, the first wedge of one end fixedly connected with of pull rod, cavity inner wall runs through sliding connection has the second wedge, second wedge lateral wall fixedly connected with fixture block, the draw-in groove has been seted up to rubber sleeve inner wall symmetry.

Preferably, the first wedge block and the second wedge block slide in an abutting mode, the clamping block is clamped in the clamping groove, and the inner wall of the empty groove is connected with the rotating shaft in a penetrating and rotating mode.

Preferably, one end of the rotating shaft is fixedly connected with a first conical wheel, and the side wall of the lead screw is fixedly connected with a second conical wheel.

Preferably, the second conical wheel is meshed with the first conical wheel, and a plurality of sliding blocks are fixedly connected to the side wall of the first wedge-shaped block.

Preferably, the sliding block is connected to the inner wall of the cavity in a sliding mode, and one end, far away from the first conical wheel, of the rotating shaft is fixedly connected with a rotating hand.

Preferably, the inner wall of the cavity is provided with a groove, and the inner wall of the groove is elastically connected with the inner wall of the second wedge-shaped block through a spring.

The utility model provides a beneficial effect:

1. when the rubber sleeve needs to be fixed, the rotating hand is rotated, the rotating hand enables the first wedge-shaped block to slide downwards in the cavity to be abutted against and contacted with the second wedge-shaped block through the rotating shaft, the plurality of conical wheels, the nuts and other structures, the second wedge-shaped block is extruded to slide in the direction far away from the cavity, and then the second wedge-shaped block drives the clamping block to be clamped in the clamping groove, so that the rubber sleeve is limited and fixed, and the rubber sleeve is prevented from sliding;

2. when the rubber sleeve needs to be replaced, only the reverse rotation handle needs to be rotated, so that the first wedge block slides upwards in the cavity, the second wedge block slides towards the inside of the cavity under the action of the tensile force of the spring, the second wedge block drives the clamping block and the clamping groove to be separated from the clamping groove, the rubber sleeve can be conveniently detached and replaced at the moment, the operation is simple and convenient, and the practicability is high.

Drawings

Fig. 1 is the utility model provides a pressure testing blanking plug's schematic structure step by step.

Fig. 2 is the utility model provides an enlarged schematic diagram of a part of structure in pressure testing blanking plug step by step.

Fig. 3 is the utility model provides an enlarged schematic diagram of B part structure in the pressure testing blanking plug step by step.

In the figure: the device comprises a main pipe body 1, a connector 2, a sealing ring 3, a rubber sleeve 4, a cavity 5, a clamping groove 6, an empty groove 7, a rotating shaft 8, a first conical wheel 9, a second conical wheel 10, a lead screw 11, a nut 12, a pull rod 13, a first wedge block 14, a sliding block 15, a second wedge block 16, a clamping block 17, a groove 18, a spring 19 and a rotating handle 20.

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.

Referring to fig. 1-3, pressure testing blanking plug step by step, including being responsible for the body 1, it has connector 2 to be responsible for 1 roof fixed connection of the body, connector 2 inner wall fixedly connected with sealing washer 3, it is equipped with rubber sleeve 4 to be responsible for 1 lateral wall cover of body, the external screw thread has been seted up to the lateral wall of connector 2, the internal thread has been seted up to the inside wall of connector 2, cavity 5 and dead slot 7 have been seted up to the inner wall symmetry of being responsible for 1, 5 inner wall rotations of cavity are connected with lead screw 11, lead screw 11 lateral wall threaded connection has

nut

12, 12 bottom wall symmetry fixedly connected with pull rod 13 of nut, the first wedge of one end fixedly connected with 14 of

pull rod

13, 5 inner walls of cavity run through sliding connection have

second wedge

16, 16 lateral wall fixedly connected with fixture block 17 of second wedge, draw-in groove 6 has been seted up to 4 inner wall symmetries of rubber sleeve,

nut

12 and 5 inner wall looks butt contact of cavity, can not produce the condition of rotation.

First wedge

14 and 16 offsets the slip of second wedge, and fixture block 17 card is established in draw-in groove 6, and run through to rotate the inner wall of dead slot 7 and be connected with pivot 8, and fixture block 17 card is established in draw-in groove 6, and then carries out spacing fixed to rubber sleeve 4, avoids rubber sleeve 4 to produce and slides.

One end of the rotating shaft 8 is fixedly connected with a first conical wheel 9, the side wall of the screw rod 11 is fixedly connected with a second conical wheel 10, and the first conical wheel 9 drives the screw rod 11 to rotate forwards and backwards through the second conical wheel 10.

The second cone wheel 10 is meshed with the first cone wheel 9, a plurality of sliding blocks 15 are fixedly connected to the side wall of the first wedge block 14, and the sliding blocks 15 and the first wedge block 14 slide together in the cavity 5 along the vertical direction.

Slider 15 sliding connection is at cavity 5 inner wall, and the one end fixedly connected with that first cone pulley 9 was kept away from to pivot 8 changes hand 20, rotates and changes hand 20, changes hand 20 and drives pivot 8 and rotate, changes hand 20 and sets up inside dead slot 7.

The inner wall of the cavity 5 is provided with a groove 18, the inner wall of the groove 18 is elastically connected with the inner wall of the second wedge-shaped block 16 through a spring 19, and the second wedge-shaped block 16 slides towards the inside of the cavity 5 under the action of the pulling force of the spring 19.

The utility model discloses in, when needs are fixed rubber sleeve 4, at first establish 4 covers of rubber sleeve at the main pipe body 1 lateral wall, then the user rotates and changes hand 20, it rotates to change hand 20 to drive pivot 8, and then pivot 8 drives lead screw 11 through first cone pulley 9 and second cone pulley 10 and rotates, lead screw 11 lateral wall threaded connection's nut 12 will drive first wedge 14 through a plurality of pull rods 13 and slide downwards, make

first wedge

14 and 16 looks butt contacts of second wedge, second wedge 16 receives the extrusion and slides to the direction of keeping away from cavity 5, and then second wedge 16 drives 17 cards of fixture block and establishes in draw-in groove 6, carry out spacing fixed to rubber sleeve 4, avoid rubber sleeve 4 to produce and slide.

When rubber sleeve 4 needs to be changed, only reverse rotation handle 20 is needed for first wedge 14 upwards slides in cavity 5, first wedge 14 and second wedge 16 break away from the contact, and second wedge 16 slides to cavity 5 inside under spring 19's pulling force effect, and then second wedge 16 drives fixture block 17 and draw-in groove 6 break away from the contact, can conveniently dismantle rubber sleeve 4 this moment and change, and easy operation is convenient, and the practicality is strong.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Pressure testing blanking plug step by step, including being responsible for the body (1), it has connector (2) to be responsible for body (1) roof fixed connection, connector (2) inner wall fixedly connected with sealing washer (3), it is equipped with rubber sleeve (4) to be responsible for body (1) lateral wall cover, the external screw thread has been seted up to the lateral wall of connector (2), the internal thread has been seted up to the inside wall of connector (2), its characterized in that, be responsible for the inner wall symmetry of body (1) and seted up cavity (5) and dead slot (7), cavity (5) inner wall rotation is connected with lead screw (11), lead screw (11) lateral wall threaded connection has nut (12), nut (12) diapire symmetry fixedly connected with pull rod (13), the one end fixedly connected with first wedge (14) of pull rod (13), cavity (5) inner wall runs through sliding connection has second wedge (16), the side wall of the second wedge-shaped block (16) is fixedly connected with a clamping block (17), and clamping grooves (6) are symmetrically formed in the inner wall of the rubber sleeve (4).

2. The blanking plug with the pressure test step by step as claimed in claim 1, wherein the first wedge-shaped block (14) and the second wedge-shaped block (16) slide against each other, the clamping block (17) is clamped in the clamping groove (6), and the inner wall of the empty groove (7) is connected with the rotating shaft (8) in a penetrating and rotating manner.

3. The plug for progressive pressure test according to claim 2, wherein one end of the rotating shaft (8) is fixedly connected with a first conical wheel (9), and the side wall of the lead screw (11) is fixedly connected with a second conical wheel (10).

4. The plug for progressive pressure test according to claim 3, wherein the second cone-shaped wheel (10) is engaged with the first cone-shaped wheel (9), and a plurality of sliding blocks (15) are fixedly connected to the side wall of the first wedge-shaped block (14).

5. The plug for progressive pressure test according to claim 4, wherein the sliding block (15) is slidably connected to the inner wall of the cavity (5), and a rotating handle (20) is fixedly connected to one end of the rotating shaft (8) far away from the first conical wheel (9).

6. The blanking plug with the pressure test step by step as claimed in claim 5, wherein the inner wall of the cavity (5) is provided with a groove (18), and the inner wall of the groove (18) is elastically connected with the inner wall of the second wedge-shaped block (16) through a spring (19).