CN214118457U - Liquid suction valve group of high-pressure water injection pump - Google Patents

Abstract

The utility model provides a imbibition valves of high-pressure water injection pump, including valve body and disk seat, valve body and disk seat fixed connection, valve body and disk seat have the liquid flow channel, the valve body sets up the case, the case is used for opening and close the liquid flow channel, the top fixedly connected with gag lever post of case, the spacing seat of inner wall fixedly connected with of valve body. The utility model discloses a restriction of gag lever post, spacing slider and spacing seat can play stable limiting displacement to the case, can make more stable of case motion, through reset spring's setting, can make timely the reseing of case, through the setting of spacing seat, can play the guard action to reset spring, avoid reset spring to receive the too big impact of rivers, and then prolonged reset spring's life, through the setting of sealing washer, can increase the leakproofness of case, ensured the stability of pressure, the utility model has the advantages of simple and reasonable design, convenient to use is swift, has very strong practicality.

Description

Liquid suction valve group of high-pressure water injection pump

Technical Field

The utility model relates to a high-pressure pump field specifically is a imbibition valves of high-pressure water injection pump.

Background

The oilfield water injection system is an oilfield energy consumption major household and one of the main fields of oilfield investment, so that efficient water injection equipment is developed, the operation efficiency of the existing water injection system is improved, and the oilfield water injection system has important significance in reducing oilfield production cost. The early stage water injection is an effective method for improving the recovery ratio of the oil field, the formation pressure can be improved through artificial water injection, an oil layer has powerful oil displacement conditions, higher oil layer pressure is kept, various resistances are effectively overcome, long-term stable yield and high yield are achieved, and the high-pressure water injection pump plays an important role in a water injection process. As few oil fields in China are low-permeability oil reservoirs and the demand on high-pressure water injection pumps is increasing, the reciprocating water injection pumps are rapidly developed in recent years.

However, because the valve core of the existing water injection pump liquid suction valve group is connected with the valve body through the spring, when the valve core moves repeatedly under the action of pressure, the situation of unstable movement and even deviation is easy to occur, and further, the poor sealing property causes the insufficient pressure, the high-efficiency water injection action is difficult to maintain, the service life of the valve core is easy to be damaged, and the operation efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a imbibition valves of high pressure water injection pump has the good characteristics of stability and leakproofness, and water pressure stability is efficient moreover.

To achieve the above objective, the present invention provides the following technical solutions: the utility model provides a imbibition valves of high pressure water injection pump, includes valve body and disk seat, valve body and disk seat fixed connection, valve body and disk seat have the liquid flow channel, the valve body sets up the case, the case is used for opening and close the liquid flow channel, the top fixedly connected with gag lever post of case, the spacing seat of inner wall fixedly connected with of valve body, the tip of gag lever post runs through to the inner chamber and the spacing slider of fixedly connected with of spacing seat, the top fixedly connected with reset spring of spacing slider, reset spring's top and the inner wall fixed connection of spacing seat, spacing spout has been seted up to spacing seat inner wall, slide including the spacing slider, the cover is equipped with the sealing washer on the case, sealing washer and valve body inner wall looks adaptation, the case is when closing the liquid flow channel, the sealing washer is used for sealing.

Further, the utility model discloses in, the cover is equipped with O type circle and retaining ring on the disk seat.

Furthermore, the utility model discloses in, still be provided with the filter sleeve in the valve body.

Furthermore, in the utility model, the limiting seat is provided with air holes.

Furthermore, in the present invention, the retaining ring is made of teflon.

Furthermore, in the utility model discloses a, the material of case is 3Cr13 stainless steel.

The beneficial effects are that the technical scheme of this application possesses following technological effect: the utility model discloses a restriction of gag lever post, spacing slider and spacing seat can play stable limiting displacement to the case, can make more stable of case motion, through reset spring's setting, can make timely the reseing of case, through the setting of spacing seat, can play the guard action to reset spring, avoid reset spring to receive the too big impact of rivers, and then prolonged reset spring's life, through the setting of sealing washer, can increase the leakproofness of case, ensured the stability of pressure, the utility model has the advantages of simple and reasonable design, convenient to use is swift, has very strong practicality.

It should be understood that all combinations of the foregoing concepts and additional concepts described in greater detail below can be considered as part of the inventive subject matter of the present disclosure unless such concepts are mutually inconsistent.

The foregoing and other aspects, embodiments and features of the present teachings can be more fully understood from the following description taken in conjunction with the accompanying drawings. Additional aspects of the present invention, such as features and/or advantages of exemplary embodiments, will be apparent from the description which follows, or may be learned by practice of the specific embodiments in accordance with the teachings of the present invention.

Drawings

The drawings are not intended to be drawn to scale. In the drawings, each identical or nearly identical component that is illustrated in various figures may be represented by a like numeral. For purposes of clarity, not every component may be labeled in every drawing. Embodiments of various aspects of the present invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion of a in fig. 1 according to the present invention.

In the figures, the meaning of the reference numerals is as follows: 1. a valve body; 2. a valve seat; 3. a valve core; 4. a limiting rod; 5. A limiting slide block; 6. a limiting seat; 7. a return spring; 8. a limiting chute; 9. air holes are formed; 10. a seal ring; 11. a liquid flow passage; 12. an O-shaped ring; 13. a retainer ring; 14. and (4) a filter sleeve.

Detailed Description

For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings. In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. Embodiments of the present disclosure are not necessarily intended to include all aspects of the invention. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

As shown in fig. 1 and 2, a liquid suction valve set of a high-pressure water injection pump comprises a valve body 1 and a valve seat 2, wherein the valve body 1 is fixedly connected with the valve seat 2, the valve body 1 and the valve seat 2 are provided with a liquid flow passage 11, the valve body 1 is provided with a valve core 3, and the valve core 3 is preferably made of 3Cr13 stainless steel in the embodiment.

Case 3 is used for opening and close liquid flow path 11, case 3's top fixedly connected with gag lever post 4, the spacing seat of inner wall fixedly connected with 6 of valve body 1, gag lever post 4's tip runs through to spacing seat 6's inner chamber and fixedly connected with limit slide 5, limit slide 5's top fixedly connected with reset spring 7, setting through spacing seat 6, can play the guard action to reset spring 7, avoid reset spring 7 to receive the too big impact of rivers, and then reset spring 7's life has been prolonged, reset spring 7's top and spacing seat 6's inner wall fixed connection, the utility model discloses a gag lever post 4, limit slide 5 and spacing seat 6's restriction can play stable limiting displacement to case 3, can make more stable of case 3 motion, through reset spring 7's setting, can make timely the reseing of case 3. Spacing spout 8 has been seted up to 6 inner walls of spacing seat, and including the spacing slider 5 slides, the cover is equipped with sealing washer 10 on the case 3, sealing washer 10 and 1 inner wall looks adaptations of valve body, and case 3 is when closing liquid flow channel 11, and sealing washer 10 is used for sealing, through the setting of sealing washer 10, can increase case 3's leakproofness, has ensured the stability of pressure, the utility model discloses structural design is simple reasonable, and convenient to use is swift, has very strong practicality. Under the user passes through the plunger drive, reciprocating motion about the case 3 reaches the purpose of imbibition, and case 3 drives gag lever post 4 motion, and gag lever post 4 drives spacing slider 5 compression reset spring 7, and spacing slider 5 slides in spacing spout 8, and reset spring 7 can make case 3 reset through gag lever post 4 and spacing slider 5.

In the preferred embodiment, the valve seat 2 is sleeved with an O-shaped ring 12 and a retaining ring 13, the O-shaped ring 12 and the retaining ring 13 are arranged, the sealing performance of the liquid suction valve group can be improved, and the retaining ring 13 is made of polytetrafluoroethylene.

In the preferred embodiment, a filter sleeve 14 is further disposed in the valve body 1.

This embodiment is preferred, has seted up bleeder vent 9 on the spacing seat 6, through the setting of bleeder vent 9 for spacing 6 internal pressure is stable, can guarantee the normal motion of limiting slide 5, prevents that limiting slide 5 can't push up.

To sum up, the utility model discloses a gag lever post 4, spacing slider 5 and spacing seat 6's restriction can play stable limiting displacement to case 3, can make more stable of case 3 motion, through reset spring 7's setting, can make timely the reseing of case 3, through spacing seat 6's setting, can play the guard action to reset spring 7, avoid reset spring 7 to receive the too big impact of rivers, and then prolonged reset spring 7's life, through the setting of sealing washer 10, can increase case 3's leakproofness, ensured the stability of pressure, the utility model discloses structural design is simple reasonable, and convenient to use is swift, has very strong practicality.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The present invention is intended to cover by those skilled in the art various modifications and adaptations of the invention without departing from the spirit and scope of the invention. Therefore, the protection scope of the present invention is subject to the claims.

Claims (6)

1. The utility model provides a imbibition valves of high pressure water injection pump, includes valve body (1) and disk seat (2), valve body (1) and disk seat (2) fixed connection, valve body (1) and disk seat (2) have liquid flow channel (11), its characterized in that: the valve body (1) is provided with a valve core (3), the valve core (3) is used for opening and closing a liquid flow passage (11), the top of the valve core (3) is fixedly connected with a limiting rod (4), the inner wall of the valve body (1) is fixedly connected with a limiting seat (6), the end part of the limiting rod (4) penetrates through the inner cavity of the limiting seat (6) and is fixedly connected with a limiting sliding block (5), the top of the limiting sliding block (5) is fixedly connected with a reset spring (7), the top of the reset spring (7) is fixedly connected with the inner wall of the limiting seat (6), the inner wall of the limiting seat (6) is provided with a limiting sliding groove (8), the limiting sliding block (5) slides in the inner cavity, a sealing ring (10) is sleeved on the valve core (3), the sealing ring (10) is matched with the inner wall of the valve body (1), and when the liquid flow passage (11) is closed by the valve core (3), the sealing ring (10) is used for sealing.

2. The set of valves for a high pressure water injection pump of claim 1, wherein: the valve seat (2) is sleeved with an O-shaped ring (12) and a retainer ring (13).

3. The set of valves for a high pressure water injection pump of claim 1, wherein: and a filter sleeve (14) is also arranged in the valve body (1).

4. The set of valves for a high pressure water injection pump of claim 1, wherein: the limiting seat (6) is provided with an air hole (9).

5. The set of valves for a high pressure water injection pump of claim 2, wherein: the retainer ring (13) is made of polytetrafluoroethylene.

6. The set of valves for a high pressure water injection pump of claim 1, wherein: the valve core (3) is made of 3Cr13 stainless steel.

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