CN216477780U

CN216477780U - Whole cylinder type oil well pump

Info

Publication number: CN216477780U
Application number: CN202123088215.8U
Authority: CN
Inventors: 魏福海; 李刚; 李庆泓
Original assignee: Daqing Renhehui Petroleum Technology Co ltd
Current assignee: Daqing Renhehui Petroleum Technology Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-05-10
Anticipated expiration: 2031-12-09

Abstract

The utility model provides a whole section of thick bamboo formula oil-well pump, include: the pump barrel, the top one end of pump barrel is equipped with the top connection, the inside of pump barrel is equipped with the plunger assembly, and this whole section of thick bamboo formula oil-well pump's solid fixed valve seat is inside to be equipped with sand control net cap, and the area increase of sand control net cap is makeed to the structure of sand control net cap, and the area increase has effectively improved the filter effect, has carried work efficiency. The sand control net cap passes through the set screw to be fixed on the connecting plate, be convenient for dismantle and change, wherein the connecting rod is fixed with the fixed block through the connecting rod, thereby make sand control net cap and solid fixed valve seat be connected, because the connecting rod can remove on the fixed block through the through-hole, so sand control net cap also can reciprocate, when oil-well pump during operation, the flow of oil can drive sand control net cap and remove, again because be equipped with the spring on the connecting rod, make sand control net cap that elasticity through the spring can be better vibrate, can effectually dredge the clearance to sand control net cap like this.

Description

Whole cylinder type oil well pump

Technical Field

The utility model relates to an oil-well pump equipment technical field, in particular to whole section of thick bamboo formula oil-well pump.

Background

The chain pumping unit and beam pumping unit in oil extraction stage of oil fields are conventional whole barrel oil well pump comprising coupling, pump barrel plunger and fixed valve.

The whole barrel type oil well pump in the equipment for exploiting petroleum is a key device and is a vulnerable device because the sand content in crude oil liquid is large and contains a large amount of corrosive substances, and in the process of reciprocating linear oil pumping operation of the plunger under the drive of the sucker rod, part of the crude oil sand and other dirt are extruded into a fit clearance between the plunger and the pump barrel and cone parts at two ends of the plunger in the same clearance, so that the plunger and the surface of the pump barrel are damaged by a light person, and the pump is blocked by a serious person to stop the machine and stop production.

The whole barrel type oil well pump in the prior art usually adopts sand prevention of a sand prevention net, although the sand prevention effect is better, the sand prevention net is easy to block, and the machine needs to be stopped for cleaning, thereby influencing the working efficiency.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough among the prior art, the utility model provides a whole section of thick bamboo formula oil-well pump.

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

a full barrel pump comprising: the pump barrel, the top one end of pump barrel is equipped with the top connection, the inside of pump barrel is equipped with the plunger assembly, the top of plunger assembly is equipped with the ball valve that moves about, the below of plunger assembly is equipped with the ball valve that moves about down, the below one end of pump barrel is equipped with the lower clutch, the below of lower clutch is equipped with solid fixed valve seat, solid fixed valve seat's top is equipped with solid fixed ball valve, be equipped with the fixed block on solid fixed valve seat's the inner wall, be equipped with the through-hole on the fixed block, the inside of through-hole is equipped with the connecting rod, the upper end of connecting rod is equipped with the baffle, the lower extreme of connecting rod is equipped with the connecting plate, the cover is equipped with the spring on the connecting rod, gu fixed valve seat's inside is equipped with the sand control nut, be equipped with the screw hole on the sand control nut, the inside of screw hole is equipped with the set screw.

As an improvement, the number of the fixed blocks is four, and the fixed blocks are uniformly arranged on the inner wall of the fixed valve seat.

As the improvement, the shape of the connecting plate is circular, the size of the connecting plate can be tightly attached to the inner wall of the fixed valve seat, and a through hole is reserved in the middle of the connecting plate.

As an improvement, the sand control net cap is fixed with the connecting plate through the fixing screws.

As an improvement, the fixed ends of the sand control net cap and the connecting plate are positioned below the connecting plate.

As an improvement, a sealing ring is arranged between the sand control net cap and the connecting plate.

As an improvement, the sealing ring is made of rubber materials.

The utility model has the advantages that:

the inside sand control net cap that is equipped with of this whole section of thick bamboo formula oil-well pump's solid fixed valve seat, the structure of sand control net cap makes the area increase of sand control net cap, and the area increase has effectively improved the filter effect, has carried work efficiency. The sand control net cap passes through the set screw to be fixed on the connecting plate, be convenient for dismantle and change, wherein the connecting rod is fixed with the fixed block through the connecting rod, thereby make sand control net cap and solid fixed valve seat be connected, because the connecting rod can remove on the fixed block through the through-hole, so sand control net cap also can reciprocate, when oil-well pump during operation, the flow of oil can drive sand control net cap and remove, again because be equipped with the spring on the connecting rod, make sand control net cap that elasticity through the spring can be better vibrate, can effectually dredge the clearance to sand control net cap like this.

Drawings

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

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

Reference symbol comparison table:

1. an upper joint; 2. an upward traveling ball valve; 3. a plunger assembly; 4. a lower traveling ball valve; 5. a pump barrel; 6. fixing the ball valve; 7. a lower joint; 8. a sand prevention mesh cap; 9. a fixed valve seat; 10. a fixed block; 11. a through hole; 12. a connecting rod; 13. a connecting plate; 14. a baffle plate; 15. a screw hole; 16. fixing screws; 17. a seal ring; 18. a spring.

Detailed Description

In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, the whole cylinder type oil well pump includes: a pump barrel 5.

Referring to fig. 1, an upper joint 1 is arranged at one end above a pump barrel 5, a plunger assembly 3 is arranged inside the pump barrel 5, an upper traveling ball valve 2 is arranged above the plunger assembly 3, a lower traveling ball valve 4 is arranged below the plunger assembly 3, a lower joint 7 is arranged at one end below the pump barrel 5, a fixed valve seat 9 is arranged below the lower joint 7, and a fixed ball valve 6 is arranged above the fixed valve seat 9.

As shown in fig. 2 be equipped with fixed block 10 on the inner wall of standing valve seat 9, be equipped with through-hole 11 on the fixed block 10, the inside of through-hole 11 is equipped with connecting rod 12, the upper end of connecting rod 12 is equipped with baffle 14, the lower extreme of connecting rod 12 is equipped with connecting plate 13, the cover is equipped with spring 18 on the connecting rod 12, the inside of standing valve seat 9 is equipped with sand control nut 8, be equipped with screw hole 15 on the sand control nut 8, the inside of screw hole 15 is equipped with set screw 16.

The number of the fixing blocks 10 is four, and the fixing blocks are evenly arranged on the inner wall of the fixing valve seat 9.

The shape of the connecting plate 13 is circular, the size of the connecting plate 13 can be tightly attached to the inner wall of the fixed valve seat 9, and a through hole is reserved in the middle of the connecting plate 13.

The sand control net cap 8 is fixed with the connecting plate 13 through the fixing screw 16.

The fixed ends of the sand control net cap 8 and the connecting plate 13 are positioned below the connecting plate 13.

The sand control net cap 8 with be equipped with sealing washer 17 between the connecting plate 13, the material of sealing washer 17 is rubber materials.

The utility model discloses at its during operation, whole cylinder formula oil-well pump is put into the oil well, start whole cylinder formula oil-well pump back, oil can be taken out from the underground, take out through whole cylinder formula oil-well pump, oil at first gets into the inside of solid fixed valve seat 9, then filter the grit in the oil through sand control nut cap 8, prevent that the grit from causing the damage to the inside of whole cylinder oil-well pump, when oil gets into whole cylinder oil-well pump, the potential energy of oil can promote sand control nut cap 8, sand control nut cap 8 can remove at solid fixed valve seat 9, then under the spring action through the spring, messenger's sand control nut cap 8 that can be better removes and shakes, can effectively plug up the mesh with the grit on the sand control nut cap 8, influence the filter effect. When the surface of the sand control net cap 8 is damaged, it can be replaced by removing the fixing screws 16.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a whole cartridge formula oil-well pump which characterized in that includes: a pump barrel (5), the top one end of pump barrel (5) is equipped with top connection (1), the inside of pump barrel (5) is equipped with plunger assembly (3), the top of plunger assembly (3) is equipped with ball valve (2) that moves about, the below of plunger assembly (3) is equipped with ball valve (4) that moves about down, the below one end of pump barrel (5) is equipped with lower clutch (7), the below of lower clutch (7) is equipped with solid fixed valve seat (9), the top of solid fixed valve seat (9) is equipped with solid fixed ball valve (6), be equipped with fixed block (10) on the inner wall of solid fixed valve seat (9), be equipped with through-hole (11) on fixed block (10), the inside of through-hole (11) is equipped with connecting rod (12), the upper end of connecting rod (12) is equipped with baffle (14), the lower extreme of connecting rod (12) is equipped with connecting plate (13), the cover is equipped with spring (18) on connecting rod (12), the inside of standing valve seat (9) is equipped with sand control net cap (8), be equipped with screw hole (15) on sand control net cap (8), the inside of screw hole (15) is equipped with set screw (16).

2. The oil pump as claimed in claim 1, wherein the number of the fixing blocks (10) is four, and the fixing blocks are uniformly arranged on the inner wall of the fixing valve seat (9).

3. The oil pump as claimed in claim 1, wherein the connecting plate (13) is circular, the connecting plate (13) is sized to closely fit the inner wall of the stationary valve seat (9), and a through hole is provided in the middle of the connecting plate (13).

4. The full barrel pump according to claim 3, wherein the sand control cap (8) is fixed to the connection plate (13) by the fixing screw (16).

5. The oil pump as claimed in claim 4, wherein the fixed end of the sand control cap (8) and the connecting plate (13) is located below the connecting plate (13).

6. The oil pump as claimed in claim 5, wherein a sealing ring (17) is provided between the sand control cap (8) and the connection plate (13).

7. The oil pump as claimed in claim 6, wherein the sealing ring (17) is made of rubber.