CN212249939U

CN212249939U - Anti-blocking single-flow blanking plug

Info

Publication number: CN212249939U
Application number: CN202020664174.9U
Authority: CN
Inventors: 刘伟东
Original assignee: Jilin Beike Oil & Gas Technology Service Co ltd
Current assignee: Jilin Beike Oil & Gas Technology Service Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-12-29
Anticipated expiration: 2030-04-27

Abstract

The utility model provides an anti-blocking single flow blanking plug, which comprises a blanking plug cylinder body, wherein the blanking plug cylinder body comprises an upper cylinder body and a lower cylinder body, the upper cylinder body is in threaded connection with the lower cylinder body, the top of the upper cylinder body is provided with a filter hole, the bottom of the lower cylinder body is provided with an oil gas outlet, a control valve plate is arranged above the lower cylinder body, the lower surface of the edge of the control valve plate is provided with an annular baffle, the bottom of the annular baffle is arranged at the inner side of the upper end surface of the lower cylinder body, a control valve plate limiting device is arranged below the control valve plate, a guide rod is fixedly arranged on the lower surface of the control valve plate, the guide rod is in a cylinder shape with an opening at the lower end, a spring is arranged in the guide rod, the upper surfaces of limiting covers at the left side and the right side of the connecting rod are, the assembly and disassembly are rapid, and the operation is simple.

Description

Anti-blocking single-flow blanking plug

Technical Field

The utility model relates to a laser lamp machinery technical field, in particular to prevent stifled single current blanking plug.

Background

Along with the continuous development of the later stage of the oil field, the energy of an oil layer is gradually reduced, water needs to be injected into a stratum to supplement the energy of the stratum, and the stable yield of the oil field is kept. The plug is an indispensable device for water injection in water injection wells. In the water injection process, because the interlayer contradiction of the stratum is increasingly prominent, in the polymer injection well and the sand easy to flow out, the water nozzle of the blanking plug is easy to be plugged by polymer or stratum sand, so that the pressure of the blanking plug is insufficient; the sand control nature of blanking plug is poor, influences water injection efficiency easily, consequently prevents stifled single current blanking plug and arises at the right moment, and current single current blanking plug structure is complicated, dismantles inconveniently, is not convenient for maintain and clearance, and the fragile components such as the inside spring of single current blanking plug damage easily.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an anti-blocking uniflow blanking plug, which comprises a blanking plug cylinder body, the blanking plug cylinder comprises an upper cylinder and a lower cylinder, the upper cylinder is in threaded connection with the lower cylinder, the top of the upper cylinder is provided with a filter hole, the bottom of the lower cylinder is provided with an oil gas outlet, a control valve plate is arranged above the lower cylinder, the lower surface of the edge of the control valve plate is provided with an annular baffle, the bottom of the annular baffle is arranged on the inner side of the upper end surface of the lower cylinder body, a control valve plate limiting device is arranged below the control valve plate, a guide rod is fixedly arranged on the lower surface of the control valve plate, the guide rod is in a cylinder shape with an opening at the lower end, a spring is arranged in the guide rod, spring placing grooves are arranged on the upper surfaces of the limiting covers at the left side and the right side of the connecting rod, one end of the spring is fixedly connected with the top of the guide rod, and the other end of the spring is fixed at the bottom of the spring accommodating groove.

Preferably, the control valve plate limiting device comprises a limiting block, the limiting block is placed in a limiting block placing groove, the upper surface of the limiting block is fixedly connected with the bottom end of the connecting rod, a limiting cover is arranged above the limiting block placing groove, the limiting cover is in threaded connection with the limiting block placing groove, the connecting rod penetrates through the middle of the limiting cover, and the top end of the connecting rod is in threaded connection with the control valve plate.

Preferably, a spherical cavity is formed between the limiting block placing groove and the limiting cover, the limiting block is hemispherical, and the maximum radius of the limiting block is three-quarters of the spherical cavity.

Preferably, the bottom of the guide rod is arranged in the spring placing groove, and the total length of the guide rod and the spring placing groove is greater than the extension length of the spring.

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

1. the utility model discloses a connecting rod aims at the screw hole that corresponds on the control valve plate, spacing lid is corresponding with stopper resettlement groove, through revolving wrong control valve plate, is connected spacing lid and stopper resettlement groove with connecting rod and control valve plate, restricts the stopper in the spherical space that stopper resettlement groove and spacing lid formed, will go up the barrel and twist soon with lower barrel together, accomplishes the installation that prevents stifled single current blanking plug, assembles and dismantles all very rapidly, easy operation.

2 the utility model discloses a set up the spring in guide bar and the spring resettlement groove, can the protection spring control the valve plate revolve twist the in-process because horizontal torsional force and take place to warp, when the control valve plate rose a take the altitude, the stopper restriction is in form in the spherical cavity between stopper resettlement groove and the spacing lid, prevent that the control valve plate from continuing to rise, make the deformation of spring stop, the protection prevents devices such as the spring of easy loss in the stifled single current blanking plug, prolongs the life of stifled single current blanking plug.

Drawings

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the oil gas passage of the present invention;

fig. 3 is the internal structure schematic diagram of the oil gas of the utility model when not passing through.

In the shown attached drawing, an upper cylinder body 1, a lower cylinder body 2, a filter hole 3, an oil gas outlet 4, a control valve plate 5, an annular baffle 6, a limiting block 7, a limiting block arranging groove 8, a connecting rod 9, a limiting cover 10, a spherical cavity 11, a guide rod 12, a spring 13 and a spring arranging groove 14.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

As shown in fig. 1-3, an anti-blocking single flow blanking plug comprises a blanking plug cylinder body, the blanking plug cylinder body comprises an upper cylinder body 1 and a lower cylinder body 2, the upper cylinder body 1 is in threaded connection with the lower cylinder body 2, a filter hole 3 is arranged at the top of the upper cylinder body 1, an oil-gas outlet 4 is arranged at the bottom of the lower cylinder body, a control valve plate 5 is arranged above the lower cylinder body 2, an annular baffle 6 is arranged on the lower surface of the edge of the control valve plate 5, the bottom of the annular baffle 6 is arranged at the inner side of the upper end surface of the lower cylinder body 2, a control valve plate 5 limiting device is arranged below the control valve plate 5, the control valve plate 5 limiting device comprises a limiting block 7, the limiting block 7 is arranged in a limiting block arranging groove 8, the upper surface of the limiting block 7 is fixedly connected with the bottom end of a connecting rod 9, a limiting cover 10 is arranged above the limiting, the utility model discloses a control valve plate, including connecting rod 9, stopper mounting groove 8, stopper 12, spring mounting groove 14, connecting rod 9, stopper mounting groove 8, stopper 7, spring mounting groove 14, spring 12, guide bar 12 bottom sets up in spring mounting groove 14, the total length of guide bar 12 and spring mounting groove 14 is greater than the extension length of spring 13, form spherical cavity 11 between stopper mounting groove 8 and the stopper mounting groove 10, stopper 7 is the hemisphere, the maximum radius of stopper 7 is three quarters of spherical cavity 11, the fixed surface of control valve plate 5 is provided with guide bar 12, guide bar 12 is the lower extreme opening tube-shape, be provided with spring 13 in the guide bar 12, the stopper mounting groove 10 upper surface of the connecting rod 9 left and right sides is provided with spring mounting groove 14, the one end and the guide bar 12 top fixed connection of spring 13, and the other end is fixed in the.

During assembly, the connecting rod 9 is aligned with a corresponding threaded hole on the control valve plate 5, the limiting cover 10 corresponds to the limiting block arranging groove 8, the control valve plate 5 is screwed, the connecting rod 9 is connected with the control valve plate 5, the limiting cover 10 is connected with the limiting block arranging groove 8, the limiting block 7 is limited in a spherical space formed by the limiting block arranging groove 8 and the limiting cover 10, the upper barrel body 1 and the lower barrel body 2 are screwed together, the installation of the anti-blocking single-flow blanking plug is completed, the assembly and the disassembly are rapid, the operation is simple, the arrangement of the guide rod 12 and the spring arranging groove 14 can protect the spring 13 from being deformed due to transverse torsional force in the screwing process of the control valve plate 5, in the using process, under the pushing of pressure generated by outside liquid, the control valve plate 5 rises, the spring 13 is elastically deformed, oil and gas enter the annular baffle 6 and the lower barrel body 2 through the filter hole 3 to form an oil inlet channel, from the outflow of oil gas outlet, when control valve plate 5 rose to a take the altitude, stopper 7 restriction is in forming spherical cavity 11 between stopper resettlement groove 8 and the spacing lid 10, prevent that control valve plate 5 from continuing to rise, make the deformation of spring 13 stop, the protection prevents parts such as spring 13 that easily loses among the stifled single current blanking plug, prolongs the life who prevents stifled single current blanking plug.

While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.

Claims

1. An anti-blocking uniflow blanking plug is characterized by comprising a blanking plug cylinder body, wherein the blanking plug cylinder body comprises an upper cylinder body and a lower cylinder body, the upper cylinder body is in threaded connection with the lower cylinder body, the top of the upper cylinder body is provided with a filter hole, the bottom of the lower cylinder body is provided with an oil-gas outlet, a control valve plate is arranged above the lower cylinder body, an annular baffle plate is arranged on the lower surface of the edge of the control valve plate, the bottom of the annular baffle is arranged on the inner side of the upper end surface of the lower cylinder body, a control valve plate limiting device is arranged below the control valve plate, the lower surface of the control valve plate is fixedly provided with a guide rod which is in a cylinder shape with an opening at the lower end, a spring is arranged in the guide rod, spring placing grooves are arranged on the upper surfaces of the limiting covers on the left side and the right side of the connecting rod, one end of the spring is fixedly connected with the top of the guide rod, and the other end of the spring is fixed at the bottom of the spring accommodating groove.

2. An anti-blocking single flow blanking plug according to claim 1, characterized in that the control valve plate limiting device comprises a limiting block, the limiting block is placed in a limiting block placing groove, the upper surface of the limiting block is fixedly connected with the bottom end of the connecting rod, a limiting cover is arranged above the limiting block placing groove, the limiting cover is in threaded connection with the limiting block placing groove, the connecting rod penetrates through the middle of the limiting cover, and the top end of the connecting rod is in threaded connection with the control valve plate.

3. An anti-blocking single flow blanking plug according to claim 2, wherein a spherical cavity is formed between the stopper placing groove and the stopper cover, the stopper is hemispherical, and the maximum radius of the stopper is three-quarters of the spherical cavity.

4. An anti-blocking single flow blanking plug according to claim 1, wherein the bottom of the guide bar is disposed in the spring seating groove, and the total length of the guide bar and the spring seating groove is greater than the extension length of the spring.