CN214793937U - Simple oil taking device for oil discharge pipeline - Google Patents

Simple oil taking device for oil discharge pipeline Download PDF

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Publication number
CN214793937U
CN214793937U CN202120167922.7U CN202120167922U CN214793937U CN 214793937 U CN214793937 U CN 214793937U CN 202120167922 U CN202120167922 U CN 202120167922U CN 214793937 U CN214793937 U CN 214793937U
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China
Prior art keywords
cavity
oil
valve core
hole
partition plate
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CN202120167922.7U
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Chinese (zh)
Inventor
王亮
王德全
陈骏
张家浚
朱俊霖
孔运运
庄斐
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HuaiAn Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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HuaiAn Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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Priority to CN202120167922.7U priority Critical patent/CN214793937U/en
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Abstract

A simple oil taking device for an oil discharge pipeline comprises a flange; the connector is internally provided with a through cavity arranged along the axial direction, the through cavity is transversely and fixedly connected with a partition plate to divide the through cavity into a through cavity A and a through cavity B, the partition plate is provided with through holes communicated with the two sides of the partition plate, and one end of the connector where the through cavity A is located is fixedly connected with a central hole of the flange; the valve core is movably connected in the through cavity B along the axial direction, the inner surface of the through cavity B is in clearance sealing fit with the outer surface of the valve core, an oil outlet cavity is arranged in the valve core along the axial direction, an opening is formed in one end face, away from the through hole, of the oil outlet cavity, an oil inlet hole communicated with the oil outlet cavity is formed in the outer wall of the valve core along the circumferential direction, an annular groove is formed in the outer edge of the valve core, located on one side, away from the through hole, of the oil inlet hole, a sealing ring A is installed in the annular groove, and the end face, inserted into the through cavity B, of the valve core can be tightly abutted and sealed with the partition plate.

Description

Simple oil taking device for oil discharge pipeline
Technical Field
The utility model belongs to the technical field of the electric power safety, especially, relate to an oil drain pipe simply gets oily device.
Background
The periodic oil sampling and testing of oil-filled equipment such as a main transformer on-load switch of a transformer substation is a key work for monitoring whether various indexes of dissolved gas, insulation grade and oil cleanliness in the on-load switch meet standards after the main transformer on-load switch is frequently switched with loads.
The hydraulic fluid port structure in the oil extraction device that has now is mostly for the oil extraction pipeline directly draws down sealed by the closing plate again through the ball valve. When oil samples are taken, the sealing plate needs to be detached, the flow is controlled by the valve, the wide-mouth bottle is used for receiving the oil samples, and the oil samples are transferred to the needle tube. The oil taking process has the problems that the disassembly and assembly of the sealing plate are time-consuming and labor-consuming, the flow control difficulty is high, the sealing ring is easy to deform to cause oil leakage, the oil sample is easy to transfer to cause secondary pollution to influence the detection accuracy and the like.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an oil discharge pipeline simply gets oily device, to the problem that exists at the current oil extraction in-process, develop novel simply getting oily device and do not need the dismouting closing plate, can reduce the loss of insulating oil, shorten sample operating time, improve on-the-spot oil sampling work efficiency, it causes secondary pollution to reduce oil sample transfer, the oil sample test data that obtains simultaneously is more accurate, avoided the dismouting shrouding to cause sealed the pad to shift in addition, the deformation arouses the problem of oil impregnate.
The utility model discloses a following technical scheme realizes:
a simple oil taking device of an oil discharge pipeline, which comprises,
a flange;
the connector is internally provided with a through cavity arranged along the axial direction, the through cavity is transversely and fixedly connected with a partition plate to divide the through cavity into a through cavity A and a through cavity B, the partition plate is provided with through holes communicated with the two sides of the partition plate, and one end of the connector where the through cavity A is located is fixedly connected with a central hole of the flange;
the valve core is movably connected in the through cavity B along the axial direction, the inner surface of the through cavity B is in clearance sealing fit with the outer surface of the valve core, an oil outlet cavity is arranged in the valve core along the axial direction, an opening is formed in one end face, away from the through hole, of the oil outlet cavity, an oil inlet hole communicated with the oil outlet cavity is formed in the outer wall of the valve core along the circumferential direction, an annular groove is formed in the outer edge of the valve core, located on one side, away from the through hole, of the oil inlet hole, a sealing ring A is installed in the annular groove, and the end face, inserted into the through cavity B, of the valve core can be tightly abutted and sealed with the partition plate.
Furthermore, the connector is a reducing joint with an external thread and a larger-diameter end connected with the flange.
Furthermore, a threaded sleeve is fixedly connected to the valve core, the threaded sleeve is in threaded connection with the connector, and the valve core is driven to move in the through cavity B along the axial direction by rotating the threaded sleeve.
Furthermore, a convex ring is fixedly connected to the partition plate, the convex ring and the through hole are concentrically arranged, and the convex ring is arranged in the through cavity B and can be tightly abutted and sealed with the end face of the valve core.
Further, still include the shroud, the shroud is equipped with the internal thread and can carries out threaded connection with the great section of connector diameter.
Further, a sealing ring B is arranged between the abutting surfaces of the cover cap and the flange.
The utility model has the advantages that; the oil sampling device can directly guide an oil sample into the sampling bottle through the valve core, so that the pollution caused by oil sample transfer is reduced, and the oil sample retest is avoided; the cover plate does not need to be disassembled and assembled in the past during oil sampling, the problem of oil leakage caused by displacement and deformation of the sealing gasket is avoided, the sampling time can be shortened, the working efficiency is improved, and the oil sampling device is suitable for the on-load switch oil sampling work of the transformer substation on site. The distance between the valve core and the partition plate can be conveniently controlled through the rotation of the threaded sleeve, and the oil outlet amount is controlled. The utility model discloses still use the oil extraction device who uses the same structure in other scenes to get oil.
Drawings
Fig. 1 is a schematic view of the normal state cross-sectional structure of the present invention.
Fig. 2 is a schematic view of the sectional structure of the oil drain of the present invention.
Fig. 3 is a schematic view of the explosion structure of the present invention.
Detailed Description
As shown in FIGS. 1 to 3, a simple oil-fetching device for an oil-discharging pipeline comprises,
a flange 10; the connecting device comprises a connecting head 20, wherein a through cavity 201 which is arranged along the axial direction is arranged in the connecting head 20, a partition plate 202 is transversely and fixedly connected in the through cavity 201 to divide the through cavity 201 into a through cavity A2011 and a through cavity B2012, a through hole 2021 which is communicated with two sides of the partition plate 202 is formed in the partition plate 202, and one end of the through cavity A2011 in the connecting head 20 is fixedly connected with a central hole of a flange 10; the oil outlet cavity 301 is axially arranged in the valve core 30, an opening is formed in one end face, away from the through hole 2021, of the oil outlet cavity 301, an oil inlet hole 302 communicated with the oil outlet cavity 301 is formed in the outer wall of the valve core 30 along the circumferential direction, an annular groove is formed in the outer edge of the valve core 30, located on one side, away from the through hole 2021, of the oil inlet hole 302, a sealing ring A303 is installed in the annular groove, and the end face, inserted into the through cavity B2012, of the valve core 30 can be tightly abutted and sealed with the partition plate 202.
Further, for the convenient installation and reducing the oil output, the connector 20 is a reducer union with external threads and a larger end with the diameter of the connecting end of the flange 10.
Further, a threaded sleeve 304 is fixedly connected to the valve core 30, the threaded sleeve 304 is in threaded connection with the connector 20, and the valve core 30 is driven to move in the through cavity B2012 along the axial direction by rotating the threaded sleeve 304. The thread bush 304 may be welded to the outer wall of the valve core 30 coaxially, or may be provided with an installation groove, and is clamped, installed and fixed by a clamp spring.
Further, a convex ring 2022 is fixedly connected to the partition plate 202, the convex ring 2022 and the through hole 2021 are concentrically arranged, the convex ring 2022 is arranged in the through cavity B2012 and can abut against the end face of the valve element 30 for sealing, the convex ring 2022 is arranged to enable the end face of the valve element 30 to be in better contact with the end face of the valve element for sealing, and a sealing ring can be sleeved outside the convex ring 2022 to enable sealing to be tighter.
Further, the connector comprises a cover cap 40, wherein the cover cap 40 is provided with internal threads which can be in threaded connection with a larger-diameter section of the connector 20. The cover 40 prevents the residual oil left on the inner wall of the oil outlet cavity 301 after oil extraction from dripping to the ground to pollute the environment.
Furthermore, a sealing ring B101 is arranged between abutting surfaces of the cover 40 and the flange 10, and the cover 40 and the flange 10 can be better connected and sealed by the sealing ring B101.
As shown in fig. 1-fig. 1, if the device is used for oil extraction from an oil extraction pipe of a main transformer load switch, the device can be fixed on the lower end face of a flange of the oil extraction pipe of the main transformer load switch by bolts, and when oil extraction is not performed, the threaded sleeve 304 is rotated, so that the valve core 30 and the convex ring 2022 are tightly abutted for sealing, and the cover cap 40 and the connector 20 are connected by threads and tightly abutted to the sealing ring B101; when oil is taken out, the cover cap 40 is removed, the thread sleeve 304 is rotated to enable the end part of the valve core 30 to leave the convex ring 2022, and the oil sample enters the through cavity B2012 through the through hole 2021 and then enters the oil outlet cavity 301 through the oil inlet hole 302 and flows out from the opening.
The above is the embodiment of the utility model, so all according to the utility model discloses the application scope structure, characteristic and principle do equivalent change or decorate, all include in the utility model discloses the within range.

Claims (6)

1. A simple oil taking device for an oil discharge pipeline is characterized by comprising,
a flange (10);
the connecting device comprises a connecting head (20), wherein a through cavity (201) which is arranged along the axial direction is arranged in the connecting head (20), a partition plate (202) is transversely and fixedly connected in the through cavity (201) and divides the through cavity (201) into a through cavity A (2011) and a through cavity B (2012), a through hole (2021) which is communicated with two sides of the partition plate (202) is formed in the partition plate (202), and one end of the connecting head (20) where the through cavity A (2011) is located is fixedly connected to a center hole of a flange (10);
the oil outlet cavity (301) is arranged in the valve core (30) along the axial direction, an opening is formed in one end face, away from the through hole (2021), of the oil outlet cavity (301), an oil inlet hole (302) communicated with the oil outlet cavity (301) is formed in the outer wall of the valve core (30) along the circumferential radial direction, an annular groove is formed in the outer edge of the valve core (30) located on one side, away from the through hole (2021), of the oil inlet hole (302), a sealing ring A (303) is installed in the annular groove, and the end face, inserted into the through cavity B (2012), of the valve core (30) can be tightly abutted and sealed with the partition plate (202).
2. The simple oil taking device of the oil discharge pipeline as claimed in claim 1, wherein: the connector (20) is a reducing connector with an external thread, and the connecting end with the flange (10) is a larger-diameter end.
3. The simple oil taking device of the oil discharge pipeline as claimed in claim 2, characterized in that: the valve core (30) is fixedly connected with a threaded sleeve (304), the threaded sleeve (304) is in threaded connection with the connector (20), and the valve core (30) is driven to move in the through cavity B (2012) along the axial direction by rotating the threaded sleeve (304).
4. The simple oil taking device of the oil drainage pipeline as claimed in claim 1, wherein: the baffle plate (202) is fixedly connected with a convex ring (2022), the convex ring (2022) and the through hole (2021) are concentrically arranged, and the convex ring (2022) is arranged in the through cavity B (2012) and can be tightly abutted against the end face of the valve core (30) for sealing.
5. The simple oil taking device of the oil drainage pipeline as claimed in claim 2, wherein: still include shroud (40), shroud (40) are equipped with the internal thread and can carry out threaded connection with the great section of connector (20) diameter.
6. The simple oil taking device of the oil drainage pipeline as claimed in claim 5, wherein: and a sealing ring B (101) is arranged between the abutting surfaces of the cover cap (40) and the flange (10).
CN202120167922.7U 2021-01-21 2021-01-21 Simple oil taking device for oil discharge pipeline Active CN214793937U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120167922.7U CN214793937U (en) 2021-01-21 2021-01-21 Simple oil taking device for oil discharge pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120167922.7U CN214793937U (en) 2021-01-21 2021-01-21 Simple oil taking device for oil discharge pipeline

Publications (1)

Publication Number Publication Date
CN214793937U true CN214793937U (en) 2021-11-19

Family

ID=78748959

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120167922.7U Active CN214793937U (en) 2021-01-21 2021-01-21 Simple oil taking device for oil discharge pipeline

Country Status (1)

Country Link
CN (1) CN214793937U (en)

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