CN207378215U - A kind of check-valves for oil exploitation - Google Patents

Abstract

The utility model provides a kind of check-valves for oil exploitation, including valve body, the left end of valve body is welded with water inlet pipe, main channel is offered in the middle part of body cavity, the intake tunnel connected with water inlet pipe is offered on the left of main channel, the water outlet of intake tunnel opens up jagged, and the aperture of notch is more than the aperture of intake tunnel, main channel is installed with fixed seat on the right side of inner cavity, gag lever post is provided on the left of fixed seat, the right end of gag lever post extends to the inside of fixed seat and is installed with spring, and the right end of spring is fixedly connected with fixed seat.This is used for the check-valves of oil exploitation, the impurity adulterated in crude oil can be filtered, crude oil and impurity are separated, so as to weaken the abrasion that valve body is subject to, be conducive to extend the service life of valve body, and can be blocked to avoid check-valves, without setting filter device near check-valves, the cost and difficulty of installation can be reduced, uses more safe ready.

Description

A kind of check-valves for oil exploitation

Technical field

The utility model is related to technical field of petroleum extraction, are specially a kind of check-valves for oil exploitation.

Background technology

Oil exploitation refers to the behavior excavated and extracted to oil in the place for having petroleum storage, in exploitation oil In the process, oil gas is from reservoir access wall bottom, and the type of drive of well head is risen to from shaft bottom.

Check-valves refers to flow and automatic shutter flap in itself by medium, for preventing the valve of medium refluence, also known as Non-return valve, check valve, reflux valve and counterbalance valve, check-valves belong to a kind of automatic valve, main function be prevent medium from flowing backwards, Prevent pump and drive motor reversion and vessel media from releasing.

During oil exploitation is carried out, it is necessary to using check-valves so as to prevent crude oil from flowing backwards, but can be adulterated in crude oil Substantial amounts of impurity, check-valves can be caused to wear, and check-valves can be blocked, people are typically all by installing filter device It is handled, it is done so that not only increasing cost and installation difficulty is bigger.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of check-valves for oil exploitation, solves existing There is the problem of check-valves is easy to wear in technology and blocks.

(2) technical solution

In order to achieve the above object, the utility model is achieved by the following technical programs：It is a kind of for oil exploitation Check-valves, including valve body, the left end of the valve body is welded with water inlet pipe, and main channel, institute are offered in the middle part of the body cavity State the intake tunnel for offering on the left of main channel and being connected with water inlet pipe, the water outlet of the intake tunnel open up it is jagged, And the aperture of notch is more than the aperture of intake tunnel, and fixed seat, the fixation are installed on the right side of the main channel inner cavity The left side of seat is provided with gag lever post, and the right end of the gag lever post extends to the inside of fixed seat and is installed with spring, described The right end of spring is fixedly connected with fixed seat, and the one end of the gag lever post away from fixed seat is installed with limited block, the limit Position block is extended in notch, and the bottom of the main channel offers drainage channel, and peace is fixed in the water inlet of the drainage channel Equipped with the first filter screen, the right side opening of the main channel is equipped with coupled logical filter pipe, and the filter pipe is located at row The upside of aquaporin is welded with the outlet pipe being connected with drainage channel, the water inlet pipe and outlet pipe on the right side of the valve body On integrally formed with terminal pad.

Preferably, the intake tunnel is inclined to set, and the height of the intake tunnel increases successively from left to right.

Preferably, connector is offered between the filter pipe and drainage channel, peace is fixed in the inside of the connector Equipped with the second filter screen.

Preferably, the upside of valve body is extended at the top of the main channel, the outside mask of the main channel is close equipped with first Capping, first sealing cover is threadedly coupled with main channel, the bottom bending outward of first sealing cover and passes through bolt It is fixedly connected with the valve body.

Preferably, the water outlet of the filter pipe is installed with waste pipe, and the outside mask of the waste pipe is equipped with Second sealing cover.

Preferably, the outer surface of the terminal pad offers limiting slot, and battle array in a ring is offered on the outside of the limiting slot The connecting hole of column distribution.

(3) advantageous effect

The utility model provides a kind of check-valves for oil exploitation.Possesses following advantageous effect：

1st, the check-valves for being used for oil exploitation, by offered in the inside of valve body filter pipe, the first filter screen and The impurity adulterated in crude oil when in use, can be filtered, crude oil and impurity are separated by the second filter screen, from And the abrasion that valve body is subject to can be weakened, be conducive to extend the service life of valve body, and can be blocked to avoid check-valves, from Without setting filter device near check-valves, the cost and difficulty of installation can be reduced, uses more safe ready.

2nd, the check-valves for being used for oil exploitation offers limiting slot by the outer surface in terminal pad, can make pipeline What is be connected between check-valves is even closer, so as to avoid the occurrence of leakage, and passes through the water outlet in filter pipe Waste pipe and the second sealing cover are installed, not only can be to avoid leakage, but also conveniently timely clear up impurity.

Description of the drawings

Fig. 1 is the utility model valve body sectional view；

Fig. 2 is the utility model terminal pad side view.

In figure：1 valve body, 2 water inlet pipes, 3 terminal pads, 4 intake tunnels, 5 first sealing covers, 6 limited blocks, 7 gag lever posts, 8 are consolidated Reservation, 9 springs, 10 filter pipes, 11 waste pipes, 12 outlet pipes, 13 connectors, 14 second filter screens, 15 drainage channels, 16 One filter screen, 17 connecting holes, 18 limiting slots, 19 second sealing covers, 20 main channels.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work All other embodiments obtained shall fall within the protection scope of the present invention.

As shown in Figs. 1-2, the utility model embodiment provides a kind of check-valves for oil exploitation, including valve body 1, valve The left end of body 1 is welded with water inlet pipe 2, and main channel 20 is offered in the middle part of 1 inner cavity of valve body, and the top of main channel 20 extends to valve body 1 upside, the outside mask of main channel 20 are equipped with the first sealing cover 5, facilitate the installation of valve body 1, and facilitate and open valve body 1 pair Valve body 1 is carried out maintenance or cleared up, and using more convenient simple, the first sealing cover 5 is threadedly coupled with main channel 20, and first seals It the bending outward of the bottom of lid 5 and is fixedly connected, can revealed to avoid valve body 1 with valve body 1 by bolt, main channel 20 Left side offers the intake tunnel 4 connected with water inlet pipe 2, and intake tunnel 4 is inclined to set, the height of intake tunnel 4 from a left side to The right side is increased successively, the inside of intake tunnel 4 can be remained in avoid impurity, when closure of check ring, inside intake tunnel 4 Impurity can tumble away, avoid blocking intake tunnel 4, the water outlet of intake tunnel 4 opens up jagged, and the aperture of notch More than the aperture of intake tunnel 4, fixed seat 8 is installed on the right side of 20 inner cavity of main channel, the left side setting of fixed seat 8 is limited Position bar 7, the right end of gag lever post 7 extend to the inside of fixed seat 8 and are installed with spring 9, right end and the fixed seat 8 of spring 9 It is fixedly connected, the one end of gag lever post 7 away from fixed seat 8 is installed with limited block 6, and limited block 6 is stuck in 4 water inlet of intake tunnel In the notch at place, the better tightness of intake tunnel 4 can be made, coordinate inclined intake tunnel 4, reflux can be avoided the occurrence of Phenomenon, when check-valves is opened, crude oil is intake by intake tunnel 4 inside valve body 1, and then crude oil squeezes limited block 6, limit Position block 6 squeezes spring 9 by gag lever post 7, and spring 9 shrinks, and intake tunnel 4 is opened, without using when, spring 9 is by limited block 6 It rebounds, intake tunnel 4 is closed, limited block 6 is extended in notch, and the bottom of main channel 20 offers drainage channel 15, draining The water inlet of passage 15 is installed with the first filter screen 16, and the right side opening of main channel 20 is equipped with coupled logical screen pipe Road 10, offers connector 13 between filter pipe 10 and drainage channel 15, the inside of connector 13 is installed with the second mistake Strainer 14, crude oil enters after 20 inside of main channel, into drainage channel 15, volume after the filtering of the first filter screen 16 Larger impurity is filtered out coming, and crude oil and impurity enter in filter pipe 10, and the crude oil inside filter pipe 10 passes through second After the filtering of filter screen 14, impurity is filtered out coming, and does not influence the conveying of crude oil, filter pipe 10 is located at drainage channel 15 Upside, the water outlet of filter pipe 10 are installed with waste pipe 11, and the outside mask of waste pipe 11 is equipped with the second sealing cover 19, The right side of valve body 1 is welded with the outlet pipe 12 being connected with drainage channel 15, on water inlet pipe 2 and outlet pipe 12 integrally formed with Terminal pad 3 by offering limiting slot 18 in the outer surface of terminal pad 3, can make to connect more between pipeline and check-valves Closely, so as to avoid the occurrence of leakage, and by being equipped with waste pipe 11 and second in the water outlet of filter pipe 10 Sealing cover 19, not only can be to avoid leakage, but also conveniently timely clears up impurity, and the outer surface of terminal pad 3 offers Limiting slot 18, the outside of limiting slot 18 offer the connecting hole 17 of circular array distribution.

In conclusion this is used for the check-valves of oil exploitation, by offering filter pipe 10, in the inside of valve body 1 The impurity adulterated in crude oil when in use, can be filtered by one filter screen 16 and the second filter screen 14, by crude oil with Impurity separates, and so as to weaken the abrasion that valve body 1 is subject to, is conducive to extend the service life of valve body 1, and can be to avoid Check-valves is blocked, and without setting filter device near check-valves, can reduce the cost and difficulty of installation, uses More safe ready.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art, It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of check-valves for oil exploitation, including valve body (1), it is characterised in that：The left end of the valve body (1) is welded with Water inlet pipe (2) offers main channel (20) in the middle part of valve body (1) inner cavity, offered on the left of the main channel (20) with The intake tunnel (4) of water inlet pipe (2) connection, the water outlet of the intake tunnel (4) open up jagged, and the aperture of notch is big Fixed seat (8), the fixed seat (8) are installed on the right side of the aperture of intake tunnel (4), main channel (20) inner cavity Left side be provided with gag lever post (7), the right end of the gag lever post (7) extends to the inside of fixed seat (8) and is installed with bullet Spring (9), the right end of the spring (9) are fixedly connected with fixed seat (8), and the one end of the gag lever post (7) away from fixed seat (8) is consolidated Dingan County is equipped with limited block (6), and the limited block (6) is extended in notch, and the bottom of the main channel (20) offers draining and leads to Road (15), the water inlet of the drainage channel (15) are installed with the first filter screen (16), the right side of the main channel (20) Side offers coupled logical filter pipe (10), and the filter pipe (10) is located at the upside of drainage channel (15), described The outlet pipe (12) being connected with drainage channel (15), the water inlet pipe (2) and outlet pipe (12) are welded on the right side of valve body (1) On integrally formed with terminal pad (3).

2. a kind of check-valves for oil exploitation according to claim 1, it is characterised in that：The intake tunnel (4) It is inclined to set, the height of the intake tunnel (4) increases successively from left to right.

3. a kind of check-valves for oil exploitation according to claim 1, it is characterised in that：The filter pipe (10) Connector (13) is offered between drainage channel (15), the inside of the connector (13) is installed with the second filter screen (14)。

4. a kind of check-valves for oil exploitation according to claim 1, it is characterised in that：The main channel (20) Top extends to the upside of valve body (1), and the outside mask of the main channel (20) is equipped with the first sealing cover (5), first sealing Lid (5) is threadedly coupled with main channel (20), the bottom bending outward of first sealing cover (5) and passes through bolt and valve body (1) it is fixedly connected.

5. a kind of check-valves for oil exploitation according to claim 1, it is characterised in that：The filter pipe (10) Water outlet be installed with waste pipe (11), the outside mask of the waste pipe (11) is equipped with the second sealing cover (19).

6. a kind of check-valves for oil exploitation according to claim 1, it is characterised in that：The terminal pad (3) Outer surface offers limiting slot (18), and the connecting hole (17) of circular array distribution is offered on the outside of the limiting slot (18).