CN213684462U

CN213684462U - Plunger pump valve assembly for oil exploitation pipeline

Info

Publication number: CN213684462U
Application number: CN202022551726.8U
Authority: CN
Inventors: 汪鸿
Original assignee: Jingzhou Xiangsheng Petroleum Machinery Co ltd
Current assignee: Jingzhou Xiangsheng Petroleum Machinery Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-13
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a plunger pump valve assembly for oil development pipeline, including the valve body, the inner chamber of valve body is provided with installation mechanism, the inner chamber fixedly connected with valve cover of valve body, installation mechanism's inner chamber is provided with the inner tube, the inner chamber of inner tube is provided with valve body mechanism, the surface mounting of inner tube has the sealing ring. The utility model discloses a place the inner tube in the inner chamber of valve body for the locating lever is arranged in the inner chamber of ring channel, rotate the inner tube, and then drive the inner tube rebound and extrude between valve body and the sealing ring, the locating lever is accomplished the installation to the inner tube in getting into the inner chamber of locating hole, the purpose of being convenient for to change has been reached promptly, this a plunger pump valve assembly for oil development pipeline possesses the purpose of being convenient for to change, after the valve seat is impaired, the user can take out the valve seat from the internal dismantlement of valve, whole valve body of change has been avoided, the operation cost is reduced.

Description

Plunger pump valve assembly for oil exploitation pipeline

Technical Field

The utility model relates to the field of petroleum technology, specifically a plunger pump valve assembly for oil development pipeline.

Background

Petroleum is a fluid mineral buried underground, and initially, people refer to oily liquid minerals generated in nature as petroleum, combustible gas as natural gas and solid combustible oily minerals as asphalt, and with the intensive research on the minerals, the oily liquid minerals are hydrocarbon compounds in composition and are mutually connected in cause, so that the oily liquid minerals and the solid combustible oily minerals are collectively called as petroleum.

The plunger pump is needed to be used in the process of oil exploitation, the valve seat is easily damaged due to the fact that the valve seat is fixed in the valve body in a welding mode in the plunger pump valve assembly for the oil exploitation pipeline at present, the ball collides with the valve seat for a long time, the valve seat is difficult to be well matched with the ball to realize sealing and plugging, the whole valve body needs to be replaced during replacement, and cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plunger pump valve assembly for oil development pipeline possesses the advantage of being convenient for change, has solved and has been arranged in the plunger pump valve assembly of oil development pipeline at present because the valve seat passes through the welded mode to be fixed in the valve body, and the ball collides with the long-term of valve seat, makes the valve seat impaired easily, is difficult to better realizes sealed shutoff with the ball cooperation, need change whole valve body during the change, has increased the problem of cost.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a plunger pump valve assembly for oil development pipeline, includes the valve body, the inner chamber of valve body is provided with installation mechanism, the inner chamber fixedly connected with valve cover of valve body, installation mechanism's inner chamber is provided with the inner tube, the inner chamber of inner tube is provided with valve body mechanism, the surface mounting of inner tube has the sealing ring, the equal fixedly connected with link in both sides of inner tube, one side of link is provided with locking mechanical system, the surface of valve body is provided with slewing mechanism.

Preferably, installation mechanism includes the mounting groove of seting up in valve body inner chamber, sealed the pad is installed at the top of mounting groove inner chamber, the inner chamber and the inner tube swing joint of mounting groove.

Preferably, the valve body mechanism comprises a valve seat body fixed in the inner cavity of the inner cylinder, and the top of the valve seat body is movably connected with a valve ball.

Preferably, locking mechanical system includes the through-hole of seting up in link one side, the inner chamber of through-hole runs through and is provided with the locating lever, the inner chamber and the locating lever swing joint of through-hole, the top fixedly connected with spring of through-hole inner chamber, the bottom and the locating lever fixed connection of spring, the one end of locating lever runs through to one side and the fixedly connected with ejector pad of link.

Preferably, the rotating mechanism comprises an annular groove formed in the surface of the valve body, the bottom of the inner cavity of the annular groove is provided with a plurality of positioning holes at equal intervals, and the inner cavity of each positioning hole is movably connected with the corresponding positioning rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the plunger pump valve assembly for the oil exploitation pipeline has the advantages that the inner cylinder is placed in the inner cavity of the valve body, the positioning rods are placed in the inner cavity of the annular groove, the inner cylinder is rotated, the two positioning rods slide in the inner cavity of the annular groove, the inner cylinder is further driven to move upwards to extrude the space between the valve body and the sealing ring, the positioning rods enter the inner cavity of the positioning holes to complete installation of the inner cylinder, the purpose of convenient replacement is achieved, the plunger pump valve assembly for the oil exploitation pipeline has the purpose of convenient replacement, after the valve seat is damaged, a user can disassemble and take out the valve seat from the valve body so as to replace the damaged valve seat, the replacement of the whole valve body is avoided, the operation cost is reduced, the problem that the valve seat is easy to damage due to the fact that the valve seat is fixed in the valve body in a welding mode in the plunger pump valve assembly for the oil exploitation pipeline at present is solved, and, the sealing and plugging are difficult to realize better matching with the ball, the whole valve body needs to be replaced during replacement, and the cost is increased.

2. The utility model discloses an installation mechanism's setting, the user arranges the inner tube in the inner chamber of mounting groove for the top of inner tube extrudees with sealed the pad, and then has improved the compactness between valve body and the inner tube, through slewing mechanism's setting, when the locating lever slides in the inner chamber of ring channel, the locating lever progressively rises, and then drives link and inner tube and rise, makes to extrude between the bottom of valve body and the sealing ring, has further improved the compactness when connecting.

Drawings

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

FIG. 2 is an enlarged view of point A of FIG. 1 according to the present invention;

FIG. 3 is a front view of the valve body and inner cylinder connection structure of the present invention;

fig. 4 is a three-dimensional split view of the connection structure of the valve body and the inner tube.

In the figure: 1. a valve body; 2. an installation mechanism; 21. mounting grooves; 22. a gasket; 3. a valve cover; 4. an inner barrel; 5. a valve body mechanism; 51. a valve seat body; 52. a Versailles ball; 6. a seal ring; 7. a connecting frame; 8. a locking mechanism; 81. a through hole; 82. positioning a rod; 83. a spring; 84. a push block; 9. a rotating mechanism; 91. an annular groove; 92. and (7) positioning the holes.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a plunger pump valve assembly for an oil exploitation pipeline comprises a valve body 1, an inner cavity of the valve body 1 is provided with an installation mechanism 2, an inner cavity of the valve body 1 is fixedly connected with a valve cover 3, an inner cavity of the installation mechanism 2 is provided with an inner cylinder 4, the installation mechanism 2 comprises an installation groove 21 arranged in the inner cavity of the valve body 1, a sealing gasket 22 is arranged at the top of the inner cavity of the installation groove 21, the inner cavity of the installation groove 21 is movably connected with the inner cylinder 4, the inner cylinder 4 is arranged in the inner cavity of the installation groove 21 by the user, the top of the inner cylinder 4 is extruded with the sealing gasket 22, the tightness between the valve body 1 and the inner cylinder 4 is further improved, the inner cavity of the inner cylinder 4 is provided with a valve body mechanism 5, the valve body mechanism 5 comprises a valve seat body 51 fixed in the inner cavity of the inner cylinder 4, and the top, the surface of the inner cylinder 4 is provided with a sealing ring 6, both sides of the inner cylinder 4 are fixedly connected with a connecting frame 7, one side of the connecting frame 7 is provided with a locking mechanism 8, the locking mechanism 8 comprises a through hole 81 arranged on one side of the connecting frame 7, the inner cavity of the through hole 81 is provided with a positioning rod 82 in a penetrating way, the inner cavity of the through hole 81 is movably connected with the positioning rod 82, the top of the inner cavity of the through hole 81 is fixedly connected with a spring 83, the bottom of the spring 83 is fixedly connected with the positioning rod 82, one end of the positioning rod 82 penetrates to one side of the connecting frame 7 and is fixedly connected with a push block 84, the surface of the valve body 1 is provided with a rotating mechanism 9, the rotating mechanism 9 comprises an annular groove 91 arranged on the surface of the valve body 1, the bottom of the inner cavity of the annular groove 91 is provided with a plurality of positioning holes 92 at equal intervals, the positioning rod 82 gradually rises to drive the connecting frame 7 and the inner cylinder 4 to rise, so that the bottom of the valve body 1 and the sealing ring 6 are extruded, and the tightness during connection is further improved.

The working principle is as follows: the utility model discloses during the use, the user is through arranging inner tube 4 in the inner chamber of mounting groove 21, locating lever 82 arranges the inner chamber of ring channel 91 in this moment, rotate inner tube 4, inner tube 4 drives locating lever 82 and slides in the inner chamber of ring channel 91, when locating lever 82 slides in the inner chamber of ring channel 91, locating lever 82 progressively rises, and then drive link 7 and inner tube 4 and rise, make the bottom of valve body 1 extrude sealing ring 6, when locating lever 82 removes to the inner chamber that is located eminence locating hole 92, locating hole 92 fixes locating lever 82, and then accomplish the installation between valve body 1 and the inner tube 4, the purpose of being convenient for to change has been reached promptly.

In summary, the following steps: the plunger pump valve assembly for the oil exploitation pipeline has the advantages that the inner cylinder 4 is placed in the inner cavity of the valve body 1, the positioning rods 82 are placed in the inner cavity of the annular groove 91, the inner cylinder 4 is rotated, the two positioning rods 82 slide in the inner cavity of the annular groove 91, the inner cylinder 4 is further driven to move upwards to extrude the space between the valve body 1 and the sealing ring 6, the positioning rods 82 enter the inner cavity of the positioning holes 92 to complete installation of the inner cylinder 4, and the purpose of convenient replacement is achieved. The long-term collision of ball and valve seat makes the valve seat impaired easily, is difficult to better realize sealed shutoff with the ball cooperation, need change whole valve body during the change, has increased the problem of cost.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 plunger pump valve assembly for oil development pipeline, includes valve body (1), its characterized in that: the inner chamber of valve body (1) is provided with installation mechanism (2), the inner chamber fixedly connected with valve cover (3) of valve body (1), the inner chamber of installation mechanism (2) is provided with inner tube (4), the inner chamber of inner tube (4) is provided with valve body mechanism (5), the surface mounting of inner tube (4) has sealing ring (6), the equal fixedly connected with link (7) in both sides of inner tube (4), one side of link (7) is provided with locking mechanical system (8), the surface of valve body (1) is provided with slewing mechanism (9).

2. A plunger pump valve assembly for an oil production pipe according to claim 1, wherein: installation mechanism (2) include mounting groove (21) of seting up in valve body (1) inner chamber, sealed pad (22) are installed at the top in mounting groove (21) inner chamber, the inner chamber and inner tube (4) swing joint of mounting groove (21).

3. A plunger pump valve assembly for an oil production pipe according to claim 1, wherein: the valve body mechanism (5) comprises a valve seat body (51) fixed in the inner cavity of the inner cylinder (4), and the top of the valve seat body (51) is movably connected with a valve ball (52).

4. A plunger pump valve assembly for an oil production pipe according to claim 1, wherein: locking mechanical system (8) include through-hole (81) of seting up in link (7) one side, the inner chamber of through-hole (81) runs through and is provided with locating lever (82), the inner chamber and locating lever (82) swing joint of through-hole (81), the top fixedly connected with spring (83) of through-hole (81) inner chamber, the bottom and locating lever (82) fixed connection of spring (83), the one end of locating lever (82) runs through to one side and fixedly connected with ejector pad (84) of link (7).

5. A plunger pump valve assembly for an oil production conduit according to claim 4, wherein: the rotating mechanism (9) comprises an annular groove (91) formed in the surface of the valve body (1), a plurality of positioning holes (92) with equal intervals are formed in the bottom of the inner cavity of the annular groove (91), and the inner cavity of each positioning hole (92) is movably connected with each positioning rod (82).