CN217999866U

CN217999866U - Special oil pipe anchor for rubber ring sealed screw pump

Info

Publication number: CN217999866U
Application number: CN202222173385.4U
Authority: CN
Inventors: 吴胜涛; 宗翠
Original assignee: Daqing Yucheng Petroleum Machinery Manufacturing Co ltd
Current assignee: Daqing Yucheng Petroleum Machinery Manufacturing Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-09
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a special oil pipe anchor of rubber ring sealed screw pump, including the connector, the outer wall cover of connector is equipped with the piece sleeve of rightting, the outer wall cover of connector is equipped with the retaining ring, be equipped with the mounting groove on the piece sleeve of rightting, the retaining ring inserts and sets up in the mounting groove, it is equipped with two fixed establishment to right between piece sleeve and the retaining ring. The utility model can rapidly install and fix the retainer ring and the centering block sleeve through the fixing mechanism, and the operation is simple; the tight and firm connection is ensured through the matching of the worm and the worm wheel.

Description

Special oil pipe anchor for rubber ring sealed screw pump

Technical Field

The utility model relates to an oil pipe anchor technical field especially relates to rubber ring sealed screw pump special oil pipe anchor.

Background

The prior art discloses a special tubing anchor for a screw pump with application number CN200620085368.3, and the technical scheme is as follows: the connecting body is composed of a connecting body, a slip tooth sleeve, a spring ring, slip teeth, a centering block sleeve, a centering block, a spring and a retainer ring, wherein the upper end of the connecting body is provided with internal threads which are connected with a tail pipe of a screw pump, the lower end of the connecting body is provided with external threads which are connected with an oil pipe, the middle circumferential direction is designed into a special surface with three uniform distribution, and the outer end of the connecting body is sleeved with the slip tooth sleeve. The beneficial effects are that: the anchor body has the advantages that firstly, the structure is simple, the use is convenient, the performance is reliable, the anchoring can be realized by rotating the oil pipe forwards after the oil pipe is lowered into the well, the problem of difficult anchoring is solved, the bearing torque of the anchor body is large, and the oil pipe cannot be released; secondly, the screw pump is reasonable in design and durable, and can be repeatedly used when the screw pump is inspected again; and thirdly, the oil pipe is not bent after anchoring, so that the friction of the rod pipe can be reduced, the pump efficiency is improved, the service lives of the screw pump and the sucker rod are prolonged, and the maintenance-free period of the oil well is prolonged.

In the granted patent, the retainer ring and the righting block sleeve are fixedly installed through a plurality of screws, when the retainer ring and the righting block sleeve are installed, a worker needs to install the plurality of screws one by one, the operation is complicated, and a large amount of time of the worker is wasted; in the long-term use, the screw can take place to become flexible, and even the thing can break away from, causes the separation between retaining ring and the piece sleeve of righting, can take place danger when serious.

In order to solve the problems, the application provides a special oil pipe anchor for a rubber ring sealed screw pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art, and provides the special oil pipe anchor for the rubber ring sealed screw pump, which can quickly install and fix the check ring and the centering block sleeve through the fixing mechanism and has simple operation; the close and stable connection is ensured through the matching of the worm and the worm wheel.

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

rubber ring sealed screw pump special oil pipe anchor, including the connector, the outer wall cover of connector is equipped with centering block sleeve, the outer wall cover of connector is equipped with the retaining ring, be equipped with the mounting groove on the centering block sleeve, the retaining ring inserts and sets up in the mounting groove, be equipped with two fixed establishment between centering block sleeve and the retaining ring, fixed establishment is including running through centering block sleeve and rather than the worm of being connected of rotating, the bottom fixedly connected with handle of worm, the worm meshing has the worm wheel, worm wheel fixedly connected with threaded rod, the threaded rod rotates with centering block sleeve to be connected, the outer wall cover of threaded rod is equipped with the threaded sleeve rather than threaded connection, the threaded sleeve runs through centering block sleeve and rather than sliding connection, the telescopic outer wall fixedly connected with stopper of threaded sleeve, stopper and centering block sleeve sliding connection, be equipped with the constant head tank on the retaining ring, the threaded sleeve inserts and sets up in the constant head tank.

Preferably, a groove is formed in the righting block sleeve, and the handle is located in the groove.

Preferably, the threaded sleeve is provided with a thread groove, and the outer wall of the threaded rod and the inner wall of the thread groove are respectively provided with an external thread and an internal thread which are matched with each other.

Preferably, the righting block sleeve is provided with a limiting groove, and the limiting block is connected with the inner wall of the limiting groove in a sliding manner.

Preferably, the cross section of the limiting block is rectangular.

Compared with the prior art, the utility model, its beneficial effect does:

1. in the staff placed into the mounting groove on the piece sleeve of righting with the retaining ring, the staff held the handle and rotated and driven worm, worm wheel, threaded rod and rotated, moved in the piece sleeve of righting through the rotatory screw sleeve that drives of threaded rod and stopper, until in the screw sleeve inserted the constant head tank to accomplish and right and be connected fixedly between piece sleeve and the retaining ring, avoid hand to carry a plurality of screws and install, easy operation and saving staff's time.

2. Through the self-locking function between the worm and the worm wheel, the threaded rod can be prevented from rotating randomly, and the threaded sleeve is ensured to be firmly inserted into the positioning groove, so that the centering block sleeve and the check ring are ensured to be stably connected, and the screw is prevented from loosening.

In conclusion, the retainer ring and the centering block sleeve can be quickly installed and fixed through the fixing mechanism, and the operation is simple; the tight and firm connection is ensured through the matching of the worm and the worm wheel.

Drawings

FIG. 1 is a sectional view of the oil pipe anchor special for the rubber ring sealed screw pump of the present invention;

fig. 2 is an enlarged view of a structure a in fig. 1.

In the figure: the device comprises a connector 1, a righting block sleeve 2, a retainer ring 3, a worm 4, a handle 5, a worm wheel 6, a threaded rod 7, a threaded sleeve 8, a limiting block 9, a positioning groove 10 and an installation groove 11.

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. 1-2, the rubber ring sealed screw pump special oil pipe anchor comprises a connector 1, the upper end of the device is connected with a tail pipe of the rubber ring sealed screw pump, and the lower end is connected with an oil pipe.

The outer wall cover of connector 1 is equipped with and rights a sleeve 2, and the outer wall cover of connector 1 is equipped with retaining ring 3, rights and is equipped with mounting groove 11 on the sleeve 2, and retaining ring 3 inserts and sets up in the mounting groove 11, rights and is equipped with two fixed establishment between a sleeve 2 and the retaining ring 3, can install through fixed establishment and fix righting a sleeve 2 and retaining ring 3.

Fixed establishment is including running through centering block sleeve 2 and rather than rotating the worm 4 of being connected, the bottom fixedly connected with handle 5 of worm 4, be equipped with the recess on centering block sleeve 2, handle 5 is located the recess and sets up, can accomodate handle 5, worm 4 meshing has worm wheel 6, worm wheel 6 fixedly connected with threaded rod 7, threaded rod 7 rotates with centering block sleeve 2 and is connected, the outer wall cover of threaded rod 7 is equipped with the threaded sleeve 8 rather than threaded connection, be equipped with the thread groove on the threaded sleeve 8, the outer wall of threaded rod 7 and the inner wall of thread groove are equipped with matched with external screw thread and internal thread respectively, threaded sleeve 8 runs through centering block sleeve 2 and rather than sliding connection, threaded sleeve 8's outer wall fixedly connected with stopper 9, be equipped with the spacing groove on centering block sleeve 2, stopper 9 and spacing inslot wall sliding connection, the transversal rectangle setting of personally submitting of stopper 9, stopper 9 and centering block sleeve 2 sliding connection, can only move about threaded sleeve 8 through stopper 9, be equipped with constant head tank 10 on retaining ring 3, threaded sleeve 8 inserts the setting in the constant head tank 10, accomplish centering block sleeve 2 and retaining ring 3 through sleeve 8.

The utility model discloses in, when installing rightting piece sleeve 2 and retaining ring 3, the staff places retaining ring 3 into right in the mounting groove 11 on the piece sleeve 2 this moment, the staff holds handle 5 and rotates and drive worm 4, worm wheel 6, threaded rod 7 rotates, it removes in righting piece sleeve 2 to drive threaded sleeve 8 and stopper 9 through threaded rod 7 rotation, insert in constant head tank 10 until threaded sleeve 8, thereby it is fixed to accomplish to right being connected between piece sleeve 2 and retaining ring 3, and through the self-locking function between worm 4 and the worm wheel 6, can avoid threaded rod 7 to rotate at will, guarantee that threaded sleeve 8 firmly inserts in constant head tank 10, thereby it is firm to guarantee to right the connection between piece sleeve 2 and the retaining ring 3.

Claims

1. The oil pipe anchor special for the rubber ring sealed screw pump comprises a connecting body (1), and is characterized in that a centering block sleeve (2) is sleeved on the outer wall of the connecting body (1), a check ring (3) is sleeved on the outer wall of the connecting body (1), an installation groove (11) is formed in the centering block sleeve (2), the check ring (3) is inserted into the installation groove (11), and two fixing mechanisms are arranged between the centering block sleeve (2) and the check ring (3);

fixed establishment is including running through righting a piece sleeve (2) and rather than rotating worm (4) of being connected, the bottom fixedly connected with handle (5) of worm (4), worm (4) meshing has worm wheel (6), worm wheel (6) fixedly connected with threaded rod (7), threaded rod (7) are rotated with righting a piece sleeve (2) and are connected, the outer wall cover of threaded rod (7) is equipped with threaded sleeve (8) rather than threaded connection, threaded sleeve (8) run through righting a piece sleeve (2) and rather than sliding connection, the outer wall fixedly connected with stopper (9) of threaded sleeve (8), stopper (9) and righting a piece sleeve (2) sliding connection, be equipped with constant head tank (10) on retaining ring (3), threaded sleeve (8) insert and set up in constant head tank (10).

2. The tubing anchor special for the rubber ring sealed screw pump according to claim 1, wherein the centering block sleeve (2) is provided with a groove, and the handle (5) is positioned in the groove.

3. The special tubing anchor for the rubber ring sealed screw pump according to claim 1, wherein the threaded sleeve (8) is provided with a threaded groove, and the outer wall of the threaded rod (7) and the inner wall of the threaded groove are respectively provided with an external thread and an internal thread which are matched with each other.

4. The special tubing anchor for the rubber ring sealed screw pump according to claim 1, wherein the centering block sleeve (2) is provided with a limiting groove, and the limiting block (9) is slidably connected with the inner wall of the limiting groove.

5. The special tubing anchor for the rubber ring sealing type screw pump according to claim 1, wherein the cross section of the limiting block (9) is rectangular.