CN210888902U

CN210888902U - Eccentric water injector with filter cover convenient to replace

Info

Publication number: CN210888902U
Application number: CN201921683674.0U
Authority: CN
Inventors: 李晓明
Original assignee: Qiqihar Yasheng Machinery Manufacturing Co ltd
Current assignee: Qiqihar Yasheng Machinery Manufacturing Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-06-30
Anticipated expiration: 2029-10-09

Abstract

The utility model discloses an eccentric water injector with filter mantle is convenient for change, including casing and connection end, casing outside lateral wall is close to connection end one side recess, shells inner wall is equipped with the center tube in the recess below, the connecting plate bottom is equipped with first eccentric pipe and second eccentric pipe, the recess lateral wall is equipped with the through-hole, be equipped with swing joint's dog in the recess, dog lateral wall interval is equipped with first screw hole and second screw hole, shells inner wall is equipped with the pin in through-hole below interval, two pin tops are equipped with same swing joint's filter mantle, the first threaded hole internal match is equipped with first fastening screw, the match is equipped with second fastening screw in the second threaded hole, shells outer wall is equipped with above the through-hole with first fastening screw assorted first thread groove, shells outer wall is equipped with below the through-hole with second fastening screw assorted second thread groove. The utility model discloses convenient to use is swift, can realize the filter mantle of the eccentric water injector of quick replacement.

Description

Eccentric water injector with filter cover convenient to replace

Technical Field

The utility model relates to an eccentric water injector technical field, in particular to eccentric water injector with filter mantle is convenient for change.

Background

When oil extraction is carried out on an oil field by a water injection method, some water injection wells inject water in multiple layers, the water injection amount of each layer is different, and a water injector needs to be installed for water injection in a layered component mode. The water injector utilizes the throttling principle to adjust the interlayer contradiction and realizes the function of water distribution of each layer, and is key equipment in a separate-layer water injection pipe column. At present, with the continuous improvement of a water injection well testing process, most instruments realize a mode of hanging and measuring in an oil pipe, and part of structures of old underground water distribution devices are not used. However, the eccentric injector used at present is only capable of controlling injection of water to the formation through the plug due to structural influence. When the plug is removed, sand often enters the eccentric hole with the water flow due to the different pressures in each layer.

The filter cover of the existing eccentric water injector is not convenient to replace.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide an eccentric water injector with filter mantle is convenient for change can effectively solve the problem in the background art.

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

an eccentric water injector with a filter cover convenient to replace comprises a shell and a connecting end, wherein the connecting end is arranged above the shell, the side wall of the outer side of the shell is close to a groove on one side of the connecting end, the inner wall of the shell is provided with a central pipe below the groove, the inner wall of the shell is provided with a connecting plate, the bottom of the connecting plate is provided with a first eccentric pipe and a second eccentric pipe, the first eccentric pipe and the central pipe are communicated through an inclined flow pipeline which inclines upwards, the first eccentric pipe and the second eccentric pipe are communicated through a advection pipeline, the second eccentric pipe is connected with the shell through a connecting pipe, the side wall of the groove is provided with a through hole, a movably connected stop block is arranged in the groove, the side wall of the stop is provided with a first threaded hole and a second threaded hole at intervals, the inner wall of the shell is provided with stop rods at intervals below the through holes, and the tops, one end of the filter mantle is arranged in the through hole, the first threaded hole is arranged above the through hole, the second threaded hole is arranged below the through hole, the first threaded hole is internally matched with a first fastening screw, the second threaded hole is internally matched with a second fastening screw, the outer wall of the shell is arranged above the through hole and is provided with a first threaded groove matched with the first fastening screw, and the outer wall of the shell is arranged below the through hole and is provided with a second threaded groove matched with the second fastening screw.

In this implementation, preferably, the filter cover and the through hole junction are provided with a first sealing ring, the stop dog and the groove junction are provided with a second sealing ring, and the side wall of the filter cover close to one side of the stop dog is provided with a traction ring.

In this embodiment, it is preferable that the housing and the connection terminal are welded.

In this implementation, preferably, the width of the filter cover is slightly smaller than the width of the through hole, and the length of the filter cover is slightly larger than the diameter of the inner wall of the shell.

In this embodiment, preferably, the width of the stopper is greater than the width of the through hole.

In this embodiment, preferably, the connecting pipe is disposed above the advection pipe.

Compared with the prior art, the utility model discloses following beneficial effect has: this kind of eccentric water injector with filter mantle is convenient for change through setting up recess, through-hole, first screw hole, second screw hole, dog, pin, filter mantle, first fastening screw, second fastening screw, first thread groove and second thread groove, can realize the filter mantle of the eccentric water injector of quick replacement.

Drawings

Fig. 1 is the schematic view of the whole structure of the eccentric injector casing with the filter cover convenient to replace.

Fig. 2 is a schematic sectional view of a portion a-a in fig. 1 of the eccentric injector with a filter cover for easy replacement according to the present invention.

Fig. 3 is an enlarged schematic view of the position B in fig. 1 of the eccentric water injector with a filter cover convenient to replace according to the present invention.

In the figure: 1. a housing; 2. connecting the end heads; 3. a groove; 4. a central tube; 5. a connecting plate; 6. a first eccentric pipe; 7. a second eccentric tube; 8. a diagonal flow conduit; 9. a advection pipe; 10. a connecting pipe; 11. a through hole; 12. a first threaded hole; 13. a second threaded hole; 14. a stopper; 15. a stop lever; 16. a filter housing; 17. a first fastening screw; 18. a second fastening screw; 19. a first thread groove; 20. a second thread groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in figures 1-3, an eccentric injector with a filter cover convenient for replacement comprises a shell 1 and a connecting end 2, the connecting end 2 is arranged above the shell 1, the outer side wall of the shell 1 is close to a groove 3 at one side of the connecting end 2, a central pipe 4 is arranged below the groove 3 on the inner wall of the shell 1, a connecting plate 5 is arranged on the inner wall of the shell 1, a first eccentric pipe 6 and a second eccentric pipe 7 are arranged at the bottom of the connecting plate 5, the first eccentric pipe 6 is communicated with the central pipe 4 through an inclined flow pipeline 8 which inclines upwards, the first eccentric pipe 6 is communicated with the second eccentric pipe 7 through an advection pipeline 9, the second eccentric pipe 7 is connected with the shell 1 through a connecting pipe 10, a through hole 11 is arranged on the side wall of the groove 3, a movably connected stop block 14 is arranged in the groove 3, a first threaded hole 12 and a second threaded hole 13 are arranged on the side wall of the stop block, two pin 15 tops are equipped with same swing joint's filter bowl 16, filter bowl 16 one end is located in through-hole 11, through-hole 11 top is located to first screw hole 12, through-hole 11 below is located to second screw hole 13, the matching is equipped with first fastening screw 17 in the first screw hole 12, the matching is equipped with second fastening screw 18 in the

second screw hole

13, 1 outer wall of casing is equipped with above through-hole 11 with first fastening screw 17 assorted

first thread groove

19, 1 outer wall of casing is equipped with below through-hole 11 with second fastening screw 18 assorted second thread groove 20.

A first sealing ring is arranged at the joint of the filter cover 16 and the through hole 11, a second sealing ring is arranged at the joint of the stop block 14 and the groove 3, and a traction ring is arranged on one side of the side wall of the filter cover 16 close to the stop block 14; the shell 1 and the connecting end 2 are welded; the width of the filter cover 16 is slightly smaller than that of the through hole 11, and the length of the filter cover 16 is slightly larger than the diameter of the inner wall of the shell 1; the width of the stop block 14 is larger than that of the through hole 11; the connecting pipe 10 is arranged above the advection pipeline 9.

It should be noted that, the present invention is an eccentric injector with a filter cover convenient for replacement, when in use, water flows into the central tube 4 through the connecting end 2 and the filter cover 16, the water in the central tube 4 flows into the first eccentric tube 6 through the oblique flow tube 8, because the oblique flow tube 8 is inclined upwards, sand in the water flows into the central tube 4 under the action of gravity, the water flow of the first eccentric tube 6 flows into the second eccentric tube 7 through the advection tube 9, the water flow in the second eccentric tube 7 flows out through the connecting tube 10, when the filter cover 16 needs to be replaced, the first fastening screw 17 is unscrewed from the first thread groove 19, the second fastening screw 18 is unscrewed from the second thread groove 20, the stopper 14 is rotated to a proper position, the filter cover 16 is taken out through the traction ring of the filter cover 16, a new filter cover 16 is placed from the through hole 11, the stop block 14 is rotated to enable the stop block 14 to be attached to the shell 1, the first fastening screw 17 is screwed into the first thread groove 19, the second fastening screw 18 is screwed into the second thread groove 20, the stop block 14 is fixed quickly, and the filter cover 16 can be replaced quickly.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an eccentric water injector with filter mantle is convenient for change, includes casing (1) and connection end (2), its characterized in that: the connecting end (2) is arranged above the shell (1), the outer side wall of the shell (1) is close to a groove (3) on one side of the connecting end (2), a central pipe (4) is arranged below the groove (3) on the inner wall of the shell (1), a connecting plate (5) is arranged on the inner wall of the shell (1), a first eccentric pipe (6) and a second eccentric pipe (7) are arranged at the bottom of the connecting plate (5), the first eccentric pipe (6) is communicated with the central pipe (4) through an inclined flow pipeline (8) which inclines upwards, the first eccentric pipe (6) is communicated with the second eccentric pipe (7) through a advection pipeline (9), the second eccentric pipe (7) is connected with the shell (1) through a connecting pipe (10), a through hole (11) is arranged on the side wall of the groove (3), and a stop block (14) which is movably connected is arranged in the groove (3), dog (14) lateral wall interval is equipped with first screw hole (12) and second screw hole (13), casing (1) inner wall in through-hole (11) below interval is equipped with pin (15), two pin (15) top is equipped with same swing joint's filter mantle (16), filter mantle (16) one end is located in through-hole (11), first screw hole (12) are located through-hole (11) top, second screw hole (13) are located through-hole (11) below, the matching is equipped with first fastening screw (17) in first screw hole (12), the matching is equipped with second fastening screw (18) in second screw hole (13), casing (1) outer wall in through-hole (11) top be equipped with first fastening screw (17) assorted thread groove (19), casing (1) outer wall in through-hole (11) below be equipped with second fastening screw (18) assorted second thread groove (18) (20).

2. The eccentric injector with a filter cover for easy replacement according to claim 1, wherein: the filter cover is characterized in that a first sealing ring is arranged at the joint of the filter cover (16) and the through hole (11), a second sealing ring is arranged at the joint of the stop block (14) and the groove (3), and a traction ring is arranged on one side, close to the stop block (14), of the side wall of the filter cover (16).

3. The eccentric injector with a filter cover for easy replacement according to claim 1, wherein: the shell (1) and the connecting end (2) are welded.

4. The eccentric injector with a filter cover for easy replacement according to claim 1, wherein: the width of the filter cover (16) is slightly smaller than that of the through hole (11), and the length of the filter cover (16) is slightly larger than the diameter of the inner wall of the shell (1).

5. The eccentric injector with a filter cover for easy replacement according to claim 1, wherein: the width of the stop block (14) is larger than that of the through hole (11).

6. The eccentric injector with a filter cover for easy replacement according to claim 1, wherein: the connecting pipe (10) is arranged above the advection pipeline (9).