Oil well pump valve body assembly with anti-locking structure

Abstract

The utility model discloses an oil well pump valve body assembly with an anti-locking structure, and relates to the technical field of oil well pump valve bodies. The oil well pump valve body assembly with the anti-locking structure comprises a cylinder, a sealing assembly is arranged in the cylinder, a positioning assembly is arranged in the sealing assembly, the sealing assembly comprises a vertical pipe communicating with the bottom of the cylinder, an annular groove is formed in the top of the vertical pipe, and a buffer spring is fixedly installed on the inner bottom wall of the annular groove; a buffer spring is fixedly installed on the top of the vertical pipe, a buffer ring is fixedly installed on the top of the buffer spring, the positioning assembly comprises a connecting pipe inserted into the vertical pipe, and a limiting pressing ring is fixedly installed on the surface of the connecting pipe. The situation that the sealing performance between the cylinder and the connecting pipe is not good in the using process is avoided, the possibility of leakage is reduced, and the using convenience of the valve body assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil well pump valve body technical field, concretely is the oil well pump valve body subassembly with anti -sticking structure. BACKGROUND

[0002] The oil well pump is the common downhole device that is driven by the oil pumping unit to pump the crude oil in the well to the ground, and its working environment is complex and the condition is bad, and the pump working quality directly influences the oil well production, and the oilfield machine pumping well pump lower plug device contains the valve body, and the valve body is the important component part of the device, and since the valve core remains in the pump lower pipe column, the valve body plays the role of plugging the gas-liquid fluid in the well into the oil well pump cylinder cavity channel, and the gas-liquid fluid in the well is blocked from entering the channel in the oil well pump, so that overflow or blowout does not occur during the lifting of the well oil rod column and the oil pipe column, and well fluid splashing also does not occur to cause pollution to the well site environment, and the prior art patent, patent announcement number CN1362582A discloses a one-way valve for oilfield oil well pump.

[0003] For the related technology in the above, the inventor believes that the following defects exist: in the actual application process, the oil well pump and the valve body need to be connected and positioned, and since the oil well pump is located in the oil well, the parts may be stuck during positioning or pumping, and if the disassembly and assembly operations are not convenient, the normal work of the valve body and the oil well pump will be affected, therefore, the oil well pump valve body assembly with anti-sticking structure is proposed to solve the above problems. SUMMARY

[0004] In view of the deficiencies in the prior art, the oil well pump valve body assembly with anti-sticking structure solves the problems in the above background art.

[0005] To achieve the above purposes, the utility model discloses the following technical schemes: the oil well pump valve body assembly with anti-sticking structure includes a cylinder, the inside of the cylinder is provided with a sealing assembly, and the inside of the sealing assembly is provided with a positioning assembly.

[0006] The sealing assembly comprises a stand pipe communicated with the bottom of the cylinder, an annular groove is formed in the top of the stand pipe, a buffer spring is fixedly installed on the inner bottom wall of the annular groove, and a buffer ring is fixedly installed on the top of the buffer spring.

[0007] The sealing assembly is arranged, so that the sealing property between the oil pumping pump and the assembly is improved during use, the sealing property between the cylinder and the connecting pipe is improved, the possibility of leakage is reduced, and the use convenience of the valve body assembly is improved.

[0008] The positioning assembly comprises a connecting pipe inserted into the stand pipe, a limiting pressure ring is fixedly installed on the surface of the connecting pipe, the bottom of the limiting pressure ring is in contact with the top of the buffer ring, a screw ring is threadedly connected to the top of the connecting pipe, a pressure ring is threadedly connected to the inside of the cylinder, a round rod is fixedly installed on the bottom of the pressure ring, and the bottom of the round rod is in abutment with the top of the pressure ring.

[0009] The positioning assembly is arranged, so that the installation and positioning of the components are facilitated during use, the positioning firmness of the valve body assembly is improved, and the subsequent use is facilitated.

[0010] Preferably, the surface of the buffer ring is in sliding connection with the inner wall of the annular groove, and the annular groove is matched with the buffer ring.

[0011] Preferably, a positioning ring is fixedly installed on the top of the cylinder, a pull ring is fixedly installed on the top of the positioning ring, and anti-skid lines are formed on the surface of the pull ring.

[0012] Preferably, a wrench is fixedly installed on the top of the pressure ring, and anti-skid lines are formed on the surface of the wrench.

[0013] Preferably, a positioning vertical plate is fixedly installed on the top of the pressure ring, positioning holes are formed in the positioning vertical plate, and the positioning holes are long circular holes.

[0014] Preferably, the surface of the connecting pipe is in sliding connection with the inner wall of the stand pipe, and the connecting pipe is matched with the stand pipe. The surface of the connecting pipe is in abutment with the inner wall of the stand pipe.

[0015] Preferably, the bottom of the cylinder is provided with a threaded groove for threaded connection of the compression ring, and the top of the compression ring is higher than the top of the cylinder. Advantages

[0016] The utility model provides a pump valve body assembly with anti -sticking structure compares with prior art has the following beneficial effects:

[0017] The pump valve body assembly with anti -stucking structure increases the connection sealing property between the oil pump and the assembly in the process of using, avoids the poor sealing property between the cylinder and the connecting pipe in the process of using, reduces the possibility of leakage, and improves the use convenience of the valve body assembly.

[0018] Meanwhile, the positioning assembly is arranged, which facilitates the installation and positioning operation of the components in the process of using, improves the positioning firmness of the valve body assembly, facilitates the subsequent use, facilitates the connection and positioning of the components, and improves the positioning stability of the valve body assembly. DRAWINGS

[0019] Figure 1 It is a first perspective three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a second perspective three-dimensional structure schematic view of the utility model;

[0021] Figure 3 It is a three-dimensional sectional view structure schematic view of the utility model;

[0022] Figure 4 It is a three-dimensional sectional view structure schematic view of the utility model; Figure 3 It is a first perspective three-dimensional structure schematic view of the utility model;

[0023] In the drawing: 1, cylinder; 2, sealing assembly; 200, vertical pipe; 201, buffer spring; 202, buffer ring; 3, positioning assembly; 300, connecting pipe; 301, compression ring; 302, round rod; 303, positioning vertical plate; 304, limit compression ring; 305, screw ring. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Please refer to Figures 1-4The utility model provides a technical scheme: the valve body assembly of pumping unit with prevent dead structure, including cylinder 1, the inside of cylinder 1 is provided with sealing assembly 2, the inside of sealing assembly 2 is provided with positioning assembly 3.

[0026] Sealing assembly 2 includes the standpipe 200 of being communicated at the bottom of cylinder 1, the top of standpipe 200 is provided with annular groove, the inner bottom wall of annular groove is fixedly installed with buffer spring 201, the top of buffer spring 201 is fixedly installed with buffer ring 202, the sealing assembly 2 being provided, in the process of using, can increase the connection sealing property between pumping unit and the assembly, avoid the sealing property between cylinder 1 and connecting pipe 300 in the process of using, reduce the possibility of producing leakage, improved the use convenience of the valve body assembly.

[0027] Positioning assembly 3 includes the connecting pipe 300 of being inserted in the inside of standpipe 200, the surface of connecting pipe 300 is fixedly installed with limit pressure ring 304, the bottom of limit pressure ring 304 is in contact with the top of buffer ring 202, the top of connecting pipe 300 is screwed with screw ring 305, the inside of cylinder 1 is screwed with pressure ring 301, the bottom of pressure ring 301 is fixedly installed with round rod 302, the bottom of round rod 302 is pasted with the top of pressure ring 301, the positioning assembly 3 being provided, in the process of using, the installation positioning operation of component is convenient, improved the positioning firmness of the valve body assembly, and subsequent use is also convenient, the connection positioning of assembly is convenient, and the positioning stability of valve body assembly is increased.

[0028] Refer to Figure 4 The surface of buffer ring 202 is connected with the inner wall of annular groove slidingly, and the annular groove is adapted to buffer ring 202, and the annular groove and buffer ring 202 are adapted, and the connection positioning of buffer ring 202 is facilitated in the process of using, so that the sealing property between buffer ring 202 and the annular groove is also maintained.

[0029] Refer to Figure 4 The surface of buffer ring 202 is connected with the inner wall of annular groove slidingly, and the annular groove is adapted to buffer ring 202, and the annular groove and buffer ring 202 are adapted, and the connection positioning of buffer ring 202 is facilitated in the process of using, so that the sealing property between buffer ring 202 and the annular groove is also maintained.

[0030] Refer to Figure 3 The top of pressure ring 301 is fixedly installed with spanner, the surface of spanner is provided with anti -skid line, and the spanner is provided, which is convenient for the rotation of pressure ring 301 in the process of using, and also facilitates the tightening and loosening of pressure ring 301.

[0031] Refer to Figure 3The top of the compression ring 301 is fixedly provided with a positioning vertical plate 303, and the positioning vertical plate 303 is provided with a positioning hole in the form of an oblong hole. The positioning vertical plate 303 can be used to take out the components in the cylinder 1, so as to facilitate the operation of the staff and improve the convenience of the assembly.

[0032] Referring to Figure 2 The surface of the connecting pipe 300 is in sliding connection with the inner wall of the vertical pipe 200, and the connecting pipe 300 is matched with the vertical pipe 200, and the inner wall of the vertical pipe 200 is in close contact with the surface of the connecting pipe 300. The connecting pipe 300 is matched with the vertical pipe 200, so that the gap between the vertical pipe 200 and the connecting pipe 300 is avoided in use, and the sealing between the two is maintained.

[0033] Referring to Figure 1 The bottom of the cylinder 1 is provided with a threaded groove for threaded connection of the compression ring 301, and the top of the compression ring 301 is higher than the top of the cylinder 1.

[0034] In use, the compression ring 301 is loosened and then taken out to separate from the cylinder 1, then the connecting pipe 300 is inserted into the inside of the vertical pipe 200, then the buffer spring 201 limits the buffer ring 202, so that the bottom of the limiting compression ring 304 is in contact with the top of the buffer ring 202, thereby increasing the close contact degree, then the compression ring 301 is tightened, so that the bottom of the round rod 302 is extruded with the top of the screw ring 305, which avoids the sticking of the oil pump in use, and also facilitates the installation and positioning of the oil pump. The sealing assembly 2 can increase the connection sealing between the oil pump and the assembly in use, avoid the poor sealing between the cylinder 1 and the connecting pipe 300 in use, reduce the possibility of leakage, improve the convenience of the valve body assembly, and the positioning assembly 3 can facilitate the installation and positioning operation of the components in use, improve the positioning firmness of the valve body assembly, and also facilitate the subsequent use, facilitate the connection and positioning of the assembly, and increase the positioning stability of the valve body assembly.

[0035] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

Claims

1. A pump valve body assembly with an anti-jamming structure, comprising a cylinder (1), characterized in that: The cylinder (1) is provided with a sealing component (2), and the sealing component (2) is provided with a positioning component (3). The sealing assembly (2) includes a vertical tube (200) connected to the bottom of the cylinder (1). An annular groove is provided at the top of the vertical tube (200). A buffer spring (201) is fixedly installed on the inner bottom wall of the annular groove. A buffer ring (202) is fixedly installed on the top of the buffer spring (201). The positioning component (3) includes a connecting pipe (300) inserted inside the vertical pipe (200), a limiting pressure ring (304) fixedly installed on the surface of the connecting pipe (300), the bottom of the limiting pressure ring (304) contacting the top of the buffer ring (202), a threaded ring (305) threadedly connected to the top of the connecting pipe (300), a pressure ring (301) threadedly connected to the inside of the cylinder (1), a round rod (302) fixedly installed at the bottom of the pressure ring (301), and the bottom of the round rod (302) fitting against the top of the pressure ring (301).

2. The oil pump valve body assembly with anti-jamming structure according to claim 1, characterized in that: The surface of the buffer ring (202) is slidably connected to the inner wall of the annular groove, and the annular groove is adapted to the buffer ring (202).

3. The oil pump valve body assembly with anti-jamming structure according to claim 1, characterized in that: A positioning ring (203) is fixedly installed on the top of the cylinder (1), and a pull ring (204) is fixedly installed on the top of the positioning ring (203). The surface of the pull ring (204) is provided with anti-slip texture.

4. The oil pump valve body assembly with anti-jamming structure according to claim 1, characterized in that: A wrench is fixedly installed on the top of the pressure ring (301), and the surface of the wrench is provided with anti-slip texture.

5. The oil pump valve body assembly with anti-jamming structure according to claim 1, characterized in that: The top of the pressure ring (301) is fixedly installed with a positioning vertical plate (303), and a positioning hole is provided on the positioning vertical plate (303). The positioning hole is an elongated hole.

6. The oil pump valve body assembly with anti-jamming structure according to claim 1, characterized in that: The surface of the connecting pipe (300) is slidably connected to the inner wall of the vertical pipe (200), and the connecting pipe (300) is adapted to the vertical pipe (200), and the inner wall of the vertical pipe (200) is in contact with the surface of the connecting pipe (300).

7. The oil pump valve body assembly with anti-jamming structure according to claim 1, characterized in that: The bottom of the cylinder (1) is provided with a threaded groove for the threaded connection of the pressure ring (301), and the top of the pressure ring (301) is higher than the top of the cylinder (1).

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