CN214145841U

CN214145841U - Pneumatic oil well pump

Info

Publication number: CN214145841U
Application number: CN202023048988.9U
Authority: CN
Inventors: 刘山珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-07
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a pneumatic oil-well pump, including pump main part and cylinder, pump main part and cylinder threaded connection, the inside of pump main part is equipped with the plunger rod, buffer gasket has been cup jointed at the top of plunger rod, the top threaded connection of cylinder has the cylinder cap, the bottom fixed mounting of cylinder cap has the pagoda spring, the inside fixed mounting of cylinder has the piston assembly, plunger rod and piston assembly threaded connection, the inside bottom fixed mounting of pump main part has oil blanket seat assembly. Set for through setting up a set of big spring of three first springs of group and having replaced tradition, recycle the first spring of fixed column cooperation and stabilize the direction, make first spring at the during operation, if a set of spring appears unusually, two sets of springs can also support work in addition, can not influence the oil-well pump work to can maintain after accomplishing the oil pumping task of a cycle, compare and improve more durable with traditional oil-well pump, reduce economic loss's emergence.

Description

Pneumatic oil well pump

Technical Field

The utility model relates to an oil-well pump field, in particular to pneumatic oil-well pump.

Background

The oil well pump is a common underground device which is driven by an oil pumping unit to pump crude oil in a well to the ground. The ordinary oil pump is mainly composed of pump barrel, suction valve, piston and discharge valve. The oil well pump can be divided into a tube pump and a rod pump according to the underground fixing mode of the oil well pump.

However, the traditional oil well pump sealing base is provided with a group of springs, and if the group of springs is abnormal, the whole oil well pump cannot work, and needs to be maintained immediately, so that the oil pumping workload in a period is difficult to maintain, the economic losses of different degrees are caused, and the traditional oil well pump is inconvenient to disassemble and assemble, and the maintenance work is difficult.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a pneumatic oil-well pump to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a pneumatic oil well pump comprises a pump main body and an air cylinder, wherein the pump main body is in threaded connection with the air cylinder, a plunger rod is arranged inside the pump main body, a buffer gasket is sleeved on the top of the plunger rod, the top of the air cylinder is in threaded connection with a cylinder cover, a pagoda spring is fixedly arranged at the bottom of the cylinder cover, a piston assembly is fixedly arranged inside the air cylinder, the plunger rod is in threaded connection with the piston assembly, an oil seal seat assembly is fixedly arranged at the bottom end inside the pump main body, a connecting piece is in threaded connection with the bottom of the pump main body, an oil guide pipe is in threaded connection with the bottom of the connecting piece, a pull rod is arranged in the oil guide pipe, and an oil guide assembly is arranged in the bottom of the pull rod; the piston assembly comprises a piston seat, a Y-shaped ring and a fixed column, the fixed column is in threaded connection with the bottom of the Y-shaped ring, a sealing cover is installed on the top of the piston seat in a threaded mode, a sealing base is fixedly installed at the bottom of the Y-shaped ring, the fixed column is inserted into the sealing base in a penetrating mode, and a first spring is fixedly installed on a column body of the fixed column.

Through adopting above-mentioned technical scheme, through setting up the settlement that three first springs of group have replaced a set of big spring of tradition, recycle the first spring of fixed column cooperation and stabilize the direction, make first spring at the during operation, if a set of spring appears unusually, in addition two sets of springs can also support work, can not influence the oil-well pump work, thereby can maintain after accomplishing the oil pumping task of a cycle, compare and improve more durable with traditional oil-well pump, economic loss's emergence has been reduced, and this oil-well pump whole easy dismounting, the degree of difficulty of dismouting is low, can dismantle fast and install when dismantling and repairing, and then be convenient for put into use fast, economic benefits has been improved.

Preferably, the top of the piston seat is provided with an exhaust hole, the bottom of the piston seat is provided with three groups of O-shaped rings.

Through adopting above-mentioned technical scheme, the piston seat lower extreme is provided with sealing base and is equipped with three 0 type circles of group and is the effect of taking a breath, and the cylinder during operation is taken a breath from sealing base, and the piston seat up activity top to the spring down the sealed exhaust of covering of activity, the exhaust hole is at during operation exhaust and the effect of taking a breath.

Preferably, the top and the bottom of the sealing cover are both fixedly connected with connecting columns, the connecting columns are provided with three groups, and the end parts of the connecting columns are fixedly connected with threaded columns.

Through adopting above-mentioned technical scheme, the spliced pole utilizes the screw thread post at both ends to dock the installation.

Preferably, the bottom of the sealing cover is provided with a limiting gasket at a position corresponding to the connecting column, and the top of the sealing cover is provided with a fixing nut at a position corresponding to the connecting column.

Through adopting above-mentioned technical scheme, spacing gasket carries out spacing liner, carries out the liner to the spliced pole when the butt joint installation, and the other end of fixed nut installation and spliced pole is installed.

Preferably, the connecting piece comprises a connecting pipe, a first thread groove is formed in the outer portion of the connecting pipe, the first thread groove is in threaded connection with the bottom of the pump main body, a second thread groove is formed in the inner portion of the connecting pipe, and the second thread groove is in threaded connection with the top of the oil guide pipe.

Through adopting above-mentioned technical scheme, utilize the first thread groove of connecting piece to couple together the pump main part, utilize the second thread groove of connecting piece to couple together oil pipe, closely seamless when the butt joint.

Preferably, the oil guide assembly comprises an oil guide base and an oil guide oil seal, a second spring is fixedly mounted at the top of the oil guide oil seal, a butt-joint column is fixedly connected to the top of the second spring, a steel ball is mounted at the bottom of the oil guide base, an oil filter disc is fixedly mounted at the bottom of the oil guide base, and clamp springs are fixedly mounted at the bottom and the top of the oil guide base.

Through adopting above-mentioned technical scheme, lead the oil assembly to lead the oil with, utilize the butt joint post will lead oil assembly and pull rod and install, the oil cassette filters the oil of taking out notes, prevents that the foreign matter from blockking up, and the jump ring carries out the block and makes the convenient easy removable when part connects.

Preferably, the top of the butt joint column is in threaded connection with the pull rod through a threaded hole, and the bottom of the butt joint column is in threaded connection with the oil guide oil seal through an external thread.

Through adopting above-mentioned technical scheme, the top and the pull rod threaded connection of butt joint post, the bottom and the oil seal threaded connection of leading of butt joint post, easy dismouting often maintain.

To sum up, the utility model discloses mainly have following beneficial effect:

first, through setting up the settlement that three first springs of group have replaced a set of big spring of tradition, recycle the first spring of fixed column cooperation and stabilize the direction, make first spring at the during operation, if a set of spring appears unusually, two sets of springs can also support work in addition, can not influence the oil-well pump work to can maintain after accomplishing the oil pumping task of a cycle, compare and improve more durable with traditional oil-well pump, reduce economic loss's emergence.

The whole oil-well pump is convenient to disassemble and assemble, the disassembling and assembling difficulty is low, the oil-well pump can be disassembled and assembled quickly when being disassembled and repaired, and then the oil-well pump is convenient to put into use quickly, and the economic benefit is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of the structure of part A of the present invention;

fig. 3 is an enlarged view of the structure of the part B of the present invention.

Reference numerals: 1. a pump body; 2. a cylinder; 3. a plunger rod; 4. a cylinder cover; 5. a pagoda spring; 6. a piston assembly; 601. a piston seat; 602. a Y-shaped ring; 603. fixing a column; 604. a sealing cover; 605. sealing the base; 606. a first spring; 7. an oil seal seat assembly; 8. a connecting member; 801. a connecting pipe; 802. a first thread groove; 803. a second thread groove; 9. an oil guide pipe; 10. a pull rod; 11. an oil guide assembly; 1101. an oil guide base; 1102. oil guide oil seal; 1103. a second spring; 1104. butting columns; 1105. steel balls; 1106. an oil filter; 1107. a clamp spring; 12. an exhaust hole; 13. an O-shaped ring; 14. connecting columns; 15. a threaded post; 16. a limiting gasket; 17. fixing a nut; 18. and a buffer gasket.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, a pneumatic oil well pump includes a pump main body 1 and a cylinder 2, the pump main body 1 and the cylinder 2 are in threaded connection, a plunger rod 3 is arranged inside the pump main body 1, a buffer gasket 18 is sleeved on the top of the plunger rod 3, the top of the cylinder 2 is in threaded connection with a cylinder cover 4, a pagoda spring 5 is fixedly installed at the bottom of the cylinder cover 4, a piston assembly 6 is fixedly installed inside the cylinder 2, the plunger rod 3 is in threaded connection with the piston assembly 6, an oil seal seat assembly 7 is fixedly installed at the bottom inside the pump main body 1, a connecting piece 8 is in threaded connection with the bottom of the connecting piece 8, an oil guide pipe 9 is in threaded connection with the bottom of the connecting piece 8, a pull rod 10 is arranged in the oil guide pipe 9, and an oil guide assembly 11 is installed at the bottom of the pull rod 10; the piston assembly 6 comprises a piston seat 601, a Y-shaped ring 602 and a fixing column 603, wherein the fixing column 603 is in threaded connection with the bottom of the Y-shaped ring 602, a sealing cover 604 is in threaded connection with the top of the piston seat 601, a sealing base 605 is fixedly installed at the bottom of the Y-shaped ring 602, the fixing column 603 is inserted in the sealing base 605 in a penetrating mode, and a first spring 606 is fixedly installed on a column body of the fixing column 603. Set for through setting up a set of big spring of tradition has been replaced to first spring 606 of three groups, recycle fixed column 603 cooperation first spring 606 and stabilize the direction, make first spring 606 at the during operation, if a set of spring appears unusually, in addition two sets of springs can also support work, can not influence oil-well pump work, thereby can maintain after accomplishing the oil pumping task of a cycle, compare and improve more durable with traditional oil-well pump, economic loss's emergence has been reduced, and the whole easy dismounting of this oil-well pump, the degree of difficulty of dismouting is low, can dismantle fast and install when dismantling and repairing, and then be convenient for put into use fast, economic benefits has been improved.

Referring to fig. 2, for exhaust and ventilation purposes; the top of the piston seat 601 is provided with an exhaust hole 12, the bottom of the piston seat 601 is provided with three groups of O-shaped rings 13, and the three groups of O-shaped rings 13 are arranged; the lower end of the piston seat 601 is provided with a sealing base 605, three groups of 0-shaped rings are arranged to achieve the air exchange effect, the air cylinder 2 conducts air exchange from the sealing base 605 during working, the piston seat 601 movably pushes the spring upwards to movably exhaust the air downwards through the movable sealing cover 604, and the exhaust hole 12 conducts air exhaust and air exchange effects during working.

Referring to fig. 2, for the purpose of connection; the top and the bottom of the sealing cover 604 are both fixedly connected with connecting columns 14, three groups of connecting columns 14 are arranged, and the end part of each connecting column 14 is fixedly connected with a threaded column 15; the connecting column 14 is butt-mounted with threaded columns 15 at both ends.

Referring to fig. 2, for the purpose of padding; a position corresponding to the connecting column 14 at the bottom of the sealing cover 604 is provided with a limiting gasket 16, and a position corresponding to the connecting column 14 at the top of the sealing cover 604 is provided with a fixing screw cap 17; the limiting gasket 16 is used for limiting and lining the connecting column 14 during butt joint installation, and the fixing nut 17 is installed at the other end of the connecting column 14.

Referring to fig. 1, for docking purposes; the connecting piece 8 comprises a connecting pipe 801, a first thread groove 802 is formed in the outer portion of the connecting pipe 801, the first thread groove 802 is in threaded connection with the bottom of the pump main body 1, a second thread groove 803 is formed in the connecting pipe 801, and the second thread groove 803 is in threaded connection with the top of the oil guide pipe 9; the pump body 1 is connected by the first thread groove 802 of the connecting member 8, and the oil conduit 9 is connected by the second thread groove 803 of the connecting member 8, so that a gap is not formed when they are butted.

Referring to fig. 3, for oil guiding purposes; the oil guide assembly 11 comprises an oil guide base 1101 and an oil guide oil seal 1102, a second spring 1103 is fixedly mounted at the top of the oil guide oil seal 1102, a butting column 1104 is fixedly connected to the top of the second spring 1103, a steel ball 1105 is mounted at the bottom of the oil guide base 1101, an oil filter plate 1106 is fixedly mounted at the bottom of the oil guide base 1101, clamp springs 1107 are fixedly mounted at the bottom and the top of the oil guide base 1101, the top of the butting column 1104 is in threaded connection with the pull rod 10 through a threaded hole, and the bottom of the butting column 1104 is in threaded connection with the oil guide oil seal 1102 through an external thread; lead oil assembly 11 and lead oil, utilize docking post 1104 will lead oil assembly 11 and pull rod 10 and install, oil cassette 1106 filters the oil of drawing and annotating, prevents that the foreign matter from blockking up, and convenient easy the dismantlement when jump ring 1107 carries out the block messenger part and connects.

The use principle and the advantages are as follows: the setting of a traditional group of large springs is replaced by three groups of first springs 606, the fixing column 603 is matched with the first springs 606 for stable guiding, so that when the first springs 606 work, if one group of springs is abnormal, the other two groups of springs can also support work and do not influence the work of the oil well pump, maintenance can be carried out after a period of oil pumping task is completed, compared with the traditional oil well pump, the oil well pump is more durable, the economic loss is reduced, the sealing base 605 arranged at the lower end of the piston seat 601 is provided with three groups of 0-shaped rings for ventilation, the air cylinder 2 is ventilated from the sealing base 605 when working, the piston seat 601 movably upwards pushes the spring downwards to movably seal the sealing cover 604 for exhausting, the exhaust hole 12 is exhausted and ventilated when working, the oil well pump is convenient to integrally disassemble and assemble, the disassembling difficulty is low, the oil pump can be rapidly disassembled and assembled when being disassembled and repaired, and then is convenient to be rapidly put into use, the economic benefit is improved.

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

Claims

1. The utility model provides a pneumatic oil-well pump, includes pump main part (1) and cylinder (2), its characterized in that: the pump main body (1) is in threaded connection with the cylinder (2), a plunger rod (3) is arranged inside the pump main body (1), the top of the plunger rod (3) is sleeved with a buffer gasket (18), the top of the cylinder (2) is in threaded connection with a cylinder cover (4), a pagoda spring (5) is fixedly arranged at the bottom of the cylinder cover (4), a piston assembly (6) is fixedly arranged in the cylinder (2), the plunger rod (3) is in threaded connection with the piston assembly (6), the bottom end inside the pump main body (1) is fixedly provided with an oil seal seat assembly (7), the bottom of the pump main body (1) is connected with a connecting piece (8) through a thread, the bottom of the connecting piece (8) is connected with an oil guide pipe (9) through a thread, a pull rod (10) is arranged in the oil guide pipe (9), and an oil guide assembly (11) is installed at the bottom of the pull rod (10) in a threaded mode; the piston assembly (6) comprises a piston seat (601), a Y-shaped ring (602) and a fixing column (603), wherein the fixing column (603) is in threaded connection with the bottom of the Y-shaped ring (602), a sealing cover (604) is installed at the top of the piston seat (601) in a threaded manner, a sealing base (605) is fixedly installed at the bottom of the Y-shaped ring (602), the fixing column (603) is inserted in the sealing base (605) in a penetrating manner, and a first spring (606) is fixedly installed on a column body of the fixing column (603).

2. The pneumatic oil well pump of claim 1, wherein: the exhaust hole (12) is arranged at the top of the piston seat (601), the O-shaped rings (13) are arranged at the bottom of the piston seat (601), and three groups of the O-shaped rings (13) are arranged.

3. The pneumatic oil well pump of claim 1, wherein: the top and the bottom of the sealing cover (604) are both fixedly connected with connecting columns (14), three groups of connecting columns (14) are arranged, and the end parts of the connecting columns (14) are fixedly connected with threaded columns (15).

4. The pneumatic oil well pump of claim 1, wherein: the bottom of the sealing cover (604) is provided with a limiting gasket (16) at a position corresponding to the connecting column (14), and the top of the sealing cover (604) is provided with a fixing nut (17) at a position corresponding to the connecting column (14).

5. The pneumatic oil well pump of claim 1, wherein: the connecting piece (8) comprises a connecting pipe (801), a first thread groove (802) is formed in the outer portion of the connecting pipe (801), the first thread groove (802) is in threaded connection with the bottom of the pump body (1), a second thread groove (803) is formed in the connecting pipe (801), and the second thread groove (803) is in threaded connection with the top of the oil guide pipe (9).

6. The pneumatic oil well pump of claim 1, wherein: lead oily assembly (11) including leading oily base (1101) and leading oily oil blanket (1102), the top fixed mounting who leads oily oil blanket (1102) has second spring (1103), the top fixedly connected with butt joint post (1104) of second spring (1103), lead the bottom of oily base (1101) and install steel ball (1105), the bottom fixed mounting who leads oily base (1101) has oily cassette (1106), the equal fixed mounting in bottom and the top of leading oily base (1101) has jump ring (1107).

7. The pneumatic oil well pump of claim 6, wherein: the top of the butt joint column (1104) is in threaded connection with the pull rod (10) through a threaded hole, and the bottom of the butt joint column (1104) is in threaded connection with the oil guide oil seal (1102) through an external thread.