CN214499001U - Oil drain device convenient to maintain and replace - Google Patents
Oil drain device convenient to maintain and replace Download PDFInfo
- Publication number
- CN214499001U CN214499001U CN202120030127.3U CN202120030127U CN214499001U CN 214499001 U CN214499001 U CN 214499001U CN 202120030127 U CN202120030127 U CN 202120030127U CN 214499001 U CN214499001 U CN 214499001U
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- CN
- China
- Prior art keywords
- shearing pin
- inboard
- bleeder
- oil drain
- pin
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010008 shearing Methods 0.000 claims abstract description 56
- 238000012423 maintenance Methods 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an bleeder convenient to maintenance is changed, including the bleeder body, bleeder body lateral surface is provided with the shearing pin, and the one end of shearing pin passes bleeder body lateral wall and sets up in the inboard, the inboard of shearing pin sets up to the blind hole for the center, and the outside of shearing pin is provided with annular recess, the inboard of shearing pin is provided with the spring groove, and the inboard that is located the spring groove is provided with ejecting spring, the inboard left end that is located ejecting spring of shearing pin is provided with the retaining ring, when striking the fracture to the shearing pin, the position that the one end of the spring that will be cut the pin through inside setting drops is pushed open to the outside and is prevented that the shearing pin fracture is incomplete, guarantee the normal pressure release of bleeder body, through shearing pin body monolithic fixing at the bleeder body convenient holistic dismantlement change that goes on the shearing pin after the fracture.
Description
Technical Field
The utility model relates to an bleeder technical field specifically is an bleeder convenient to maintenance is changed.
Background
The oil drainer is a downhole tool matched with a fixed valve which can not be salvaged of a tubing pump in the oil well. Usually it is connected to the tubing above the pump and is in a closed state during normal pumping. When the pump is detected, the oil drain device is opened by the opening and draining tool arranged at the lower part of the sucker rod. When the oil pipe is lifted, the liquid in the oil pipe above the pump is discharged into the well through the oil drain device, and the impact type oil drain device is used as an oil drain device product which is most convenient to operate and is widely applied to pressure test pipe columns of various oil fields and lifting completion pipes at present.
The utility model discloses an applicant discovers that the position that present striking bleeder was broken to the shearing pin when knocking off the shearing pin probably has the condition of incompletely breaking off closed influence normal pressure release once more under hydraulic effect easily.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an bleeder convenient to maintenance is changed aims at improving current striking bleeder and has not totally absolutely the problem that influences normal pressure release in the time of the shearing pin breaking.
The utility model discloses a realize like this:
the utility model provides an bleeder convenient to maintenance is changed, including the bleeder body, bleeder body lateral surface is provided with the shearing pin, and the one end of shearing pin passes bleeder body lateral wall and sets up in the inboard, the inboard of shearing pin sets up to the blind hole for the center, and the outside of shearing pin is provided with annular recess, the inboard of shearing pin is provided with the spring groove, and the inboard that is located the spring groove is provided with ejecting spring, the inboard left end that is located ejecting spring of shearing pin is provided with the retaining ring, when striking fracture to the shearing pin, the position that the one end that the spring that will be cut off through inside setting will be pushed open to the outside and prevent that the shearing pin fracture is incomplete, guarantee the normal pressure release of bleeder body, through shearing pin body monolithic stationary at the bleeder body convenient holistic dismantlement change that goes on the shearing pin after the fracture.
Furthermore, the upper end of the oil drainer body is provided with a threaded connector, the side face of the oil drainer body is provided with a mounting hole matched with the shear pin, one end of the outer side of the mounting hole is provided with a mounting screw hole, the oil drainer body is connected with an oil pipe through the set threaded connector, and the shear pin is mounted through the set mounting hole and the mounting screw hole.
Furthermore, the bottom of the inner side of the installation screw hole is provided with a sealing ring, the surface of the sealing ring facing the outer side is provided with a horn mouth, the installation of the shearing pin is sealed through the arranged sealing ring, and better sealing is realized through the horn mouth.
Further, the left end of the shearing pin is provided with the fixed head, and the outside of fixed head is provided with fixed screw thread, the right-hand member of fixed head be provided with horn mouth complex conical surface, and the inboard center of fixed head is provided with regular hexagon's hole, the shearing pin through the conical surface on the fixed head realize with the horn mouth support the tight fit and realize better sealed to conveniently dismantle it through the spanner through the regular hexagon's hole that sets up.
Furthermore, the outer side circumferential surface of the retainer ring is provided with external threads, an internal thread matched with the retainer ring is arranged at the port of the spring groove, and the retainer ring is screwed in the spring groove through the external threads to limit and block the spring.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in when striking the fracture to the shearing pin, the position that the one end of the spring through inside setting falls the shearing pin absolutely prevents that the shearing pin fracture is incomplete to the outside liftout, guarantees the normal pressure release of bleeder body, through shearing pin body monolithic stationary the shearing pin after the fracture convenient to carry out holistic dismantlement change to the bleeder body.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of an oil drain device convenient for maintenance and replacement;
FIG. 2 is a cross-sectional view of an oil drain device for easy maintenance and replacement as shown in the present invention;
fig. 3 is a schematic view of a sealing ring of an oil drain device convenient for maintenance and replacement;
fig. 4 is a schematic view of a shearing pin of the oil drain device convenient for maintenance and replacement.
In the figure: 1. an oil drainer body; 11. a threaded joint; 12. mounting a screw hole; 13. a seal ring; 131. a bell mouth; 14. mounting holes; 2. shearing the pin; 21. a fixed head; 22. fixing threads; 23. a conical surface; 24. a groove; 25. ejecting a spring; 26. a pin head; 27. a retainer ring; 28. a spring slot.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
Embodiment 1, please refer to fig. 1 and 4 specifically, an oil drain device convenient for maintenance and replacement includes an oil drain device body 1, a shearing pin 2 is disposed on an outer side surface of the oil drain device body 1, one end of the shearing pin 2 penetrates through a side wall of the oil drain device body 1 and is disposed on an inner side, an inner side of the shearing pin 2 is a blind hole as a center, an annular groove 24 is disposed on an outer side of the shearing pin 2, a spring groove 28 is disposed on the inner side of the shearing pin 2, an ejection spring 25 is disposed on the inner side of the spring groove 28, a retainer ring 27 is disposed on the inner side of the shearing pin 2 and is disposed on a left end of the ejection spring 25, an outer circumferential surface of the retainer ring 27 is provided with an external thread, an internal thread engaged with the retainer ring 27 is disposed at a port of the spring groove 28, the retainer ring 27 performs limit and stop on the spring 25 by screwing the external thread in the spring groove 28, when the shearing pin 2 is impacted and broken, a broken portion of the shearing pin 2 is pushed off by one end of the spring 25 disposed inside to the outer side to prevent the shearing pin 2 from being broken without breaking and being broken Completely, guarantee the normal pressure release of bleeder body 1, through 2 body monolithic fixings of shearing pin at bleeder body 1 convenient holistic dismantlement change that carries on to the shearing pin 2 after the fracture.
Specifically referring to fig. 2, a threaded joint 11 is arranged at the upper end of the oil drain body 1, a mounting hole 14 matched with the shearing pin 2 is formed in the side surface of the oil drain body 1, a mounting screw hole 12 is formed in one end of the outer side of the mounting hole 14, the oil drain body 1 is connected with an oil pipe through the threaded joint 11, and the shearing pin 2 is mounted through the mounting hole 14 and the mounting screw hole 12.
Specifically, referring to fig. 2 and 3, a sealing ring 13 is disposed at the bottom of the inner side of the mounting screw hole 12, and a bell mouth 131 is disposed on one side of the sealing ring 13 facing the outer side, so that the mounting and sealing of the shear pin 2 are realized by the disposed sealing ring 13, and a better sealing is realized by the bell mouth 131.
Specifically, referring to fig. 4, a fixing head 21 is disposed at the left end of the shear pin 2, a fixing thread 22 is disposed on the outer side of the fixing head 21, a tapered surface 23 matched with the bell mouth 131 is disposed at the right end of the fixing head 21, a regular hexagonal hole is disposed at the center of the inner side of the fixing head 21, the shear pin 2 is abutted against the bell mouth 131 through the tapered surface 23 on the fixing head 21 to be matched with the bell mouth 131 tightly, so that better sealing is achieved, and the shear pin is conveniently detached through a wrench through the regular hexagonal hole.
The working principle is that when the shearing pin 2 is installed, the shearing pin is inserted into the installation hole 14, then the fixing head 21 is screwed into the installation screw hole 12, at the moment, the conical surface 23 at one end of the fixing head 21 is tightly abutted against the bell mouth 131 of the sealing ring 13 to realize sealing, when oil drainage is needed for an oil production string, a special throwing rod is thrown from a wellhead to impact the shearing pin 2, at the moment, one end of a spring 25 arranged in the shearing pin 2 pushes the broken part of the shearing pin 2 to the outside, and at the moment, pressure relief is realized through a through hole in the shearing pin 2 in the oil production string.
The device obtained by the design can basically meet the requirement that the conventional impact type oil drain device can effectively avoid the condition that the shearing pin is not completely broken when the shearing pin is broken, and ensure the normal pressure relief, but the designer further improves the device according to the aim of further improving the function.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (5)
1. The utility model provides an bleeder convenient to maintenance is changed, includes bleeder body (1), its characterized in that: bleeder body (1) lateral surface is provided with shear pin (2), and the one end of shear pin (2) passes bleeder body (1) lateral wall and sets up in the inboard, the inboard of shear pin (2) sets up to the blind hole for the center, and the outside of shear pin (2) is provided with annular recess (24), the inboard of shear pin (2) is provided with spring groove (28), and the inboard that is located spring groove (28) is provided with ejecting spring (25), the inboard left end that is located ejecting spring (25) of shear pin (2) is provided with retaining ring (27).
2. An oil drain device convenient to maintain and replace as claimed in claim 1, characterized in that a threaded joint (11) is arranged at the upper end of the oil drain device body (1), a mounting hole (14) matched with the shearing pin (2) is formed in the side surface of the oil drain device body (1), and a mounting screw hole (12) is formed in one end of the outer side of the mounting hole (14).
3. An oil drain device convenient to repair and replace as claimed in claim 2, characterized in that the bottom of the inner side of the mounting screw hole (12) is provided with a sealing ring (13), and the outward facing surface of the sealing ring (13) is provided with a bell mouth (131).
4. An oil drain device convenient to repair and replace as claimed in claim 3, characterized in that the left end of the shearing pin (2) is provided with a fixing head (21), the outer side of the fixing head (21) is provided with a fixing thread (22), the right end of the fixing head (21) is provided with a conical surface (23) matched with the bell mouth (131), and the center of the inner side of the fixing head (21) is provided with a regular hexagonal hole.
5. An oil drain device convenient to maintain and replace as claimed in claim 4, characterized in that the outer circumferential surface of the retainer ring (27) is provided with an external thread, and the port of the spring groove (28) is provided with an internal thread matched with the retainer ring (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120030127.3U CN214499001U (en) | 2021-01-07 | 2021-01-07 | Oil drain device convenient to maintain and replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120030127.3U CN214499001U (en) | 2021-01-07 | 2021-01-07 | Oil drain device convenient to maintain and replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214499001U true CN214499001U (en) | 2021-10-26 |
Family
ID=78214461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120030127.3U Active CN214499001U (en) | 2021-01-07 | 2021-01-07 | Oil drain device convenient to maintain and replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214499001U (en) |
-
2021
- 2021-01-07 CN CN202120030127.3U patent/CN214499001U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211221 Address after: 163000 north of Xingsheng Road, East trunk line, Honggang District, Daqing City, Heilongjiang Province Patentee after: Daqing xinguangyao Petroleum Machinery Manufacturing Co.,Ltd. Address before: Northeast Petroleum University, No.99 Xuefu street, Daqing hi tech Industrial Development Zone, Heilongjiang Province, 163318 Patentee before: Tang Yanjin |