CN210858653U

CN210858653U - Oil well casing constant pressure exhaust apparatus

Info

Publication number: CN210858653U
Application number: CN201921472643.0U
Authority: CN
Inventors: 张振军; 夏仿勇; 史吉良; 张振关
Original assignee: Dongying Huachen Thermal Equipment Technology Co ltd
Current assignee: Dongying Huachen Thermal Equipment Technology Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-06-26
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses an oil well sleeve pipe level pressure exhaust apparatus, including the connecting pipe, the equal fixedly connected with go-between in the outside at connecting pipe both ends, the outside of connecting pipe is dug there is the through-hole, the outside of connecting pipe and the outside fixedly connected with exhaust box that is located the through-hole, and one side that the inside of exhaust box is close to the connecting pipe is dug there is the inlet port, and the inside of inlet port communicates with each other with the inside of through-hole, the utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, easy operation is convenient, therefore, the clothes hanger is strong in practicability, return spring and fender lid through setting up certain intensity, when oil well sheathed tube inside pressure is too big, can promote to keep off lid and return spring removal, thereby exhaust, reduce oil well sheathed tube inside atmospheric pressure, furthermore, when oil well sheathed tube inside atmospheric pressure rises to the critical value that also can't protect casing through exhaust hole pressure release, can trigger travel switch, make buzzer and alarm lamp work, and then remind the staff from sense of hearing and vision, be convenient for make the coping strategy.

Description

Oil well casing constant pressure exhaust apparatus

Technical Field

The utility model relates to an oil well casing pipe exhaust apparatus, in particular to oil well casing pipe constant pressure exhaust apparatus belongs to exhaust apparatus technical field.

Background

In the existing life, in the process of exploiting an oil well containing gas in an oil field, the pressure of a sleeve is high due to high gas content, so that the working fluid level of the oil well is reduced, and an oil well pump is easy to generate an air lock phenomenon, so that the pump efficiency of the oil well pump is reduced, and the yield of the oil well is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide oil well casing constant pressure exhaust apparatus.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model discloses an oil well casing pipe constant pressure exhaust device, including the connecting pipe, the outside at connecting pipe both ends all fixedly connected with go-between, the outside of connecting pipe is dug there is the through-hole, the outside of connecting pipe just is located the outside fixedly connected with exhaust box of through-hole, one side near the connecting pipe of the inside of exhaust box is dug there is the inlet port, the inside of inlet port communicates with each other with the inside of through-hole, the inside fixedly connected with sealing washer of inlet port, the inner wall of exhaust box is dug there is the exhaust hole, the outside of exhaust box just is located the outside fixedly connected with blast pipe of exhaust hole, one side fixedly connected with packing ring far away from the blast pipe in the outside of exhaust box, the screw has been inserted to the inside of packing ring, the screw extends to the inside of exhaust box and with exhaust box threaded connection, the top of exhaust box inner wall is dug, the bottom fixedly connected with push rod of slide, the bottom of push rod extends to the inside and the fixedly connected with of exhaust box and keeps off the lid, keep off the bottom and the sealing washer sliding connection of lid, the outside of push rod just is located the top fixedly connected with baffle that keeps off the lid, the outside of push rod just is located the cover between the top of baffle and the top of exhaust box inner wall and has return spring, the mounting groove has been dug to the one end at exhaust box top, the internally mounted of mounting groove has the battery.

As a preferred scheme of the utility model, the inside of go-between and the equal equidistance in the outside that is located the connecting pipe are fixed to be excavated and have a plurality of connecting hole.

As an optimized scheme of the utility model, the inside of connecting pipe just is located the outside fixedly connected with check valve of through-hole.

As an optimized proposal of the utility model, the thread groove of the screw is coated with a sealant.

As an optimized scheme of the utility model, the one end fixed mounting that the mounting groove was kept away from at the top of exhaust case has bee calling organ.

As an optimized scheme of the utility model, the top of exhaust case and be located one side fixed mounting of mounting groove have the alarm lamp.

As an optimized scheme of the utility model, travel switch is inlayed at the top of spout, just battery, bee calling organ, alarm lamp all with travel switch electric connection.

The utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, easy operation is convenient, therefore, the clothes hanger is strong in practicability, return spring and fender lid through setting up certain intensity, when oil well sheathed tube inside pressure is too big, can promote to keep off lid and return spring removal, thereby exhaust, reduce oil well sheathed tube inside atmospheric pressure, furthermore, when oil well sheathed tube inside atmospheric pressure rises to the critical value that also can't protect casing through exhaust hole pressure release, can trigger travel switch, make buzzer and alarm lamp work, and then remind the staff from sense of hearing and vision, be convenient for make the coping strategy.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a connecting pipe; 2. a connecting ring; 3. connecting holes; 4. a one-way valve; 5. a through hole; 6. a push rod; 7. a return spring; 8. a slide plate; 9. an exhaust pipe; 10. an exhaust hole; 11. an exhaust box; 12. a buzzer; 13. a chute; 14. a travel switch; 15. an alarm lamp; 16. a battery; 17. mounting grooves; 18. a screw; 19. a gasket; 20. an air inlet; 21. a baffle plate; 22. a blocking cover; 23. and (5) sealing rings.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides an oil well casing constant pressure exhaust device, which comprises a connecting pipe 1, wherein the outer sides of the two ends of the connecting pipe 1 are fixedly connected with connecting rings 2, which is convenient for better connection of equipment; a through hole 5 is drilled at the outer side of the connecting pipe 1, so that better air exhaust can be realized through the through hole 5; an exhaust box 11 is fixedly connected to the outer side of the through hole 5 and the outer side of the connecting pipe 1, an air inlet hole 20 is cut on one side, close to the connecting pipe 1, of the inner part of the exhaust box 11, the inner part of the air inlet hole 20 is communicated with the inner part of the through hole 5, and therefore air can be conveniently exhausted into the inner part of the exhaust box 11 through the through hole 5 and the air inlet hole 20; a sealing ring 23 is fixedly connected inside the air inlet hole 20 to prevent air leakage; an exhaust hole 10 is drilled in the inner wall of the exhaust box 11, and an exhaust pipe 9 is fixedly connected outside the exhaust box 11 and positioned outside the exhaust hole 10, so that the exhausted gas can be better conveyed; a gasket 19 is fixedly connected to one side of the outer side of the exhaust box 11, which is far away from the exhaust pipe 9, a screw 18 is inserted into the gasket 19, and the gasket 19 can better protect the contact surface between the screw 18 and the exhaust box 11 from being damaged; the screw 18 extends into the exhaust box 11 and is in threaded connection with the exhaust box 11, the sliding groove 13 is formed in the top of the inner wall of the exhaust box 11 in a chiseled mode, the sliding plate 8 is connected inside the sliding groove 13 in a sliding mode, the push rod 6 is fixedly connected to the bottom of the sliding plate 8, the bottom of the push rod 6 extends into the exhaust box 11 and is fixedly connected with the blocking cover 22, and the bottom of the blocking cover 22 is in sliding connection with the sealing ring 23, so that exhaust can be better prevented under normal pressure; the outside of push rod 6 just is located the top fixedly connected with baffle 21 of keeping off lid 22, and the cover has return spring 7 between the outside of push rod 6 just is located the top of baffle 21 and the top of exhaust box 11 inner wall, and the one end at exhaust box 11 top is opened chisel and is had mounting groove 17, and the internally mounted of mounting groove 17 has battery 16, is convenient for provide power.

A plurality of connecting holes 3 are fixedly drilled in the connecting ring 2 and positioned on the outer side of the connecting pipe 1 at equal intervals, so that the equipment can be connected with an oil well casing pipe better; a one-way valve 4 is fixedly connected inside the connecting pipe 1 and outside the through hole 5, so that one-way exhaust can be better performed; sealant is coated in the thread groove of the screw 18, so that air leakage can be prevented better; a buzzer 12 is fixedly arranged at one end of the top of the exhaust box 11, which is far away from the mounting groove 17, so that when the pressure of the oil well casing is too high, workers can be reminded conveniently by sound; an alarm lamp 15 is fixedly arranged on the top of the exhaust box 11 and one side of the installation groove 17, and when the pressure of the oil well casing is too high, workers can be reminded conveniently through light effect; travel switch 14 is inlayed at the top of spout 13, and battery 16, bee calling organ 12, alarm lamp 15 all with travel switch 14 electric connection, be convenient for when the high pressure better control bee calling organ 12 and alarm lamp 15 circular telegram.

Specifically, the device is installed between oil well casing pipes through connecting rings 2 at two ends of a connecting pipe 1 and connecting holes 3 inside the connecting rings 2, when gas is conveyed inside the oil well casing pipes, under normal pressure, gas is conveyed through the inside of the connecting pipe 1 and enters the through hole 5 and the air inlet hole 20 through a check valve 4, the blocking cover 22 cannot be pushed to move, at the moment, the gas is normally conveyed, when the air pressure inside the oil well casing pipes rises, the gas exerts an acting force on the blocking cover 22 through the check valve 4, the through hole 5 and the air inlet hole 20, so that the blocking cover 22 and a push rod 6 are pushed to move upwards, the push rod 6 drives a baffle plate 21 to move, further the return spring 7 is driven to move upwards, through the action between the baffle plate 21 and the top of the inner wall of an exhaust box 11, the return spring 7 is extruded, meanwhile, the push rod 6 drives a sliding plate 8 to move upwards inside a sliding, gaseous inside through exhaust case 11 is discharged from exhaust hole 10, then carry gas to assigned position through blast pipe 9, avoid the wasting of resources, when the inside pressure of oil well casing pipe reduces, because return spring 7's effect, make fender lid 22 return, gaseous no longer to the inside circulation of exhaust case 11, can guarantee oil well casing pipe's normal operating, when the inside pressure of oil well casing pipe sharply risees, promote push rod 6 rebound, drive slide 8 rebound, stroke switch 14 is finally touched, make battery 16 to alarm lamp 15 and buzzer 12 circular telegram, thereby remind the staff, at this moment, screw 18 is twisted off to the accessible, carry out porous exhaust to the inside gas of exhaust case 11, thereby reduce inside atmospheric pressure, better protection oil well casing pipe.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The oil well casing constant pressure exhaust device comprises a connecting pipe (1) and is characterized in that a connecting ring (2) is fixedly connected to the outer sides of two ends of the connecting pipe (1), a through hole (5) is formed in the outer side of the connecting pipe (1), an exhaust box (11) is fixedly connected to the outer side of the connecting pipe (1) and located at the through hole (5), an air inlet hole (20) is formed in one side, close to the connecting pipe (1), of the inner portion of the exhaust box (11), the inner portion of the air inlet hole (20) is communicated with the inner portion of the through hole (5), a sealing ring (23) is fixedly connected to the inner portion of the air inlet hole (20), an exhaust hole (10) is formed in the inner wall of the exhaust box (11), an exhaust pipe (9) is fixedly connected to the outer portion of the exhaust box (11) and located at the outer side of the exhaust hole (10), and a gasket (19) is fixedly, the exhaust box is characterized in that a screw (18) is inserted into the gasket (19), the screw (18) extends into the exhaust box (11) and is in threaded connection with the exhaust box (11), a sliding groove (13) is formed in the top of the inner wall of the exhaust box (11), a sliding plate (8) is connected to the sliding groove (13) in a sliding mode, a push rod (6) is fixedly connected to the bottom of the sliding plate (8), a baffle cover (22) is fixedly connected to the bottom of the push rod (6) and extends into the exhaust box (11), the bottom of the baffle cover (22) is in sliding connection with a sealing ring (23), a baffle (21) is fixedly connected to the outer side of the push rod (6) and is located above the baffle cover (22), a return spring (7) is sleeved between the top of the baffle (21) and the top of the inner wall of the exhaust box (11), a mounting groove (17) is formed in one end of the top of the exhaust box (11), and a battery (16) is arranged in the mounting groove (17).

2. Oil well casing constant pressure exhaust device according to claim 1, characterized in that the connecting ring (2) is fixedly perforated with a plurality of connecting holes (3) at equal intervals on the inside and outside of the connecting pipe (1).

3. Oil well casing constant pressure exhaust device according to claim 1, characterized in that a one-way valve (4) is fixedly connected inside the connecting pipe (1) and outside the through hole (5).

4. The well casing constant pressure venting device according to claim 1, wherein the thread groove of the screw (18) is coated with a sealant.

5. The oil well casing constant pressure exhaust device according to claim 1, characterized in that a buzzer (12) is fixedly mounted at one end of the top of the exhaust box (11) far away from the mounting groove (17).

6. The oil well casing constant pressure exhaust device according to claim 1, characterized in that a warning lamp (15) is fixedly installed on the top of the exhaust box (11) and on one side of the installation groove (17).

7. The oil well casing constant pressure exhaust device according to claim 1, characterized in that a travel switch (14) is embedded at the top of the sliding groove (13), and the battery (16), the buzzer (12) and the alarm lamp (15) are electrically connected with the travel switch (14).