CN210069199U - Emergency oil taking valve for oil-filled electrical equipment - Google Patents
Emergency oil taking valve for oil-filled electrical equipment Download PDFInfo
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- CN210069199U CN210069199U CN201920680994.4U CN201920680994U CN210069199U CN 210069199 U CN210069199 U CN 210069199U CN 201920680994 U CN201920680994 U CN 201920680994U CN 210069199 U CN210069199 U CN 210069199U
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Abstract
The utility model discloses an emergency fuel tap for on oil charge electrical equipment, it includes screwed joint, one-way self-sealing valve and gets the glib talker, on one-way self-sealing valve passed through screwed joint and is connected to the oil extraction valve of oil charge electrical equipment, get the glib talker and be connected to one-way outside from sealing the valve through the nut and serve, the screwed joint both ends all have the internal thread, are equipped with the inlet port in screwed joint's centre, are equipped with annular groove one on screwed joint's lateral wall, have sealing washer one in the recess one, sealing washer one seals through with oil extraction valve end face contact, is equipped with recess six on the lateral wall of inlet port, has sealing washer six in the recess six. The threaded joint and the one-way self-sealing valve are added on the existing oil taking valve, the oil taking joint is connected to the one-way self-sealing valve, oil is taken through the oil taking joint, the oil taking valve does not need to be replaced by a machine, and a good using effect is achieved.
Description
Technical Field
The utility model relates to an oil charge electrical equipment especially relates to an emergency oil valve of getting for on oil charge electrical equipment, belongs to transformer distribution equipment technical field.
Background
Oil-filled electrical equipment can need regular transformer oil to in the oil-filled electrical equipment to take a sample analysis and chemical examination in the use, consequently all be equipped with on oil-filled electrical equipment and get the oil valve, get oil appearance through getting the oil valve, but the screw (being equivalent to the valve) on the current oil valve of getting can lead to the screw thread to lose efficacy and can not close after long-time the use, just at this moment just must shut down the processing, more get the oil valve, can lead to the power failure accident of large tracts of land, the normal power consumption needs of user have been influenced, and the maintenance of not shutting down, then there is transformer oil to leak the risk, this is the technical problem that needs to solve.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the emergency oil taking valve for the oil-filled electrical equipment is provided, the threaded joint and the one-way self-sealing valve are additionally arranged on the existing oil taking valve, the oil taking joint is connected to the one-way self-sealing valve, oil is taken through the oil taking joint, the machine does not need to be stopped, and the oil taking valve is replaced, so that the existing problems are effectively solved.
The technical scheme of the utility model is that: the utility model provides an emergency fuel tap for on oil charge electrical equipment, it includes threaded joint, one-way from sealing the valve and getting the glib talker, one-way from sealing the valve and being connected to oil charge electrical equipment's oil drain valve through threaded joint on, get the glib talker and be connected to one-way outside from sealing the valve through the nut and serve, the threaded joint both ends all have the internal thread, are equipped with the inlet port in threaded joint's centre, are equipped with ring groove one on threaded joint's lateral wall, have sealing washer one in the recess one, and sealing washer one seals through with the contact of oil drain valve terminal surface, is equipped with recess six on the lateral wall of inlet port, has sealing washer six in the recess six.
The one-way self-sealing valve is characterized in that external threads are arranged at two ends of the one-way self-sealing valve, one end of the one-way self-sealing valve is connected to an internal thread of a threaded joint, the other end of the one-way self-sealing valve is connected with a nut through threads, a second annular groove and a third annular groove are respectively arranged on two side edges of the one-way self-sealing valve, a second sealing ring and a third sealing ring are arranged in the second groove and the third groove and respectively sealed with the threaded joint and the end surface of the oil taking nozzle, a through hole is formed in the middle of the one-way self-sealing valve, a slidable valve core and a baffle ring are arranged in the through hole, a spring is arranged between the valve core and the baffle ring, a clamp spring is.
The section of the valve core is of a Y-shaped structure, a cylindrical cavity body is arranged in the middle of one end of the valve core, an ejector rod is arranged at the other end of the valve core, the middle of the valve core is fixedly connected with the cone, a sealing ring IV is arranged on the outer side surface of the cone and is in sealing fit with the inner side wall of the one-way self-sealing valve, four uniformly distributed radial holes are formed in the side wall of the valve core and are communicated with the bottom end of the cavity body, when the valve core moves leftwards under the pushing of the ejector rod, the cavity body in the cylinder body is communicated with the cavity body and the oil inlet hole, when the valve core moves rightwards under the action of a spring.
Get the cross-section of glib and be Y type structure, be equipped with the oil outlet in the centre of getting the glib, there is the oil plug medial extremity of oil outlet through threaded connection, get and be equipped with recess four on the big awl end inside wall of glib, it is sealed with the cylinder lateral wall through sealing washer five in the recess four, has the boss on getting the big awl end lateral wall of glib, the nut activity cup joints on the outside of boss.
The oil plug is provided with an oil delivery hole communicated with cavities at two ends of the oil taking nozzle, the oil delivery hole is of a T-shaped structure, when the screw cap is connected to the one-way self-sealing valve and is screwed tightly, the oil plug can push the ejector rod to drive the valve core to move leftwards, the one-way self-sealing valve is in an open state, and when the screw cap is loosened, the one-way self-sealing valve is closed.
The outer side end of the one-way self-sealing valve can be connected with a protection nut in a threaded manner, one end of the protection nut is provided with an internal thread, the other end of the protection nut is of a closed structure, a cavity for accommodating the cylinder is arranged in the middle of the protection nut, and a sealing surface in contact with the sealing ring III is arranged on the inner side of the protection nut.
The utility model has the advantages that: compared with the prior art, adopt the technical scheme of the utility model, this emergency oil extraction valve has solved oil charge electrical equipment because of long-term operation, and the screw that oil mouth oil flow switch and size were got in control became invalid, gets the unable complete closure of oil mouth, equipment, the personal safety problem that oil charge electrical equipment leaks oil for a long time and produces. Through fixing emergent oil extraction valve on equipment oil extraction valve for a long time, the time of shutting down equipment has been saved, the time of oil extraction valve of oil pumping treatment equipment, the equipment has been avoided because of the reduction of long-term oil leakage and inside insulation, the sudden failure causes the safe risk of large tracts of land power failure, still avoided getting a large amount of transformer oil of oil in-process and sprayed on equipment shell and staff on one's body, the safe operating coefficient that oil charge electrical equipment got oil has been improved greatly, the life of equipment oil extraction valve has been prolonged, workman's safety has been ensured, fine result of use has been gained.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the protective nut of the present invention;
FIG. 3 is a diagram of the oil-fetching operation state of the present invention;
fig. 4 is a closed use state diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
Example 1: as shown in the accompanying drawings 1-2, an emergency oil-taking valve for oil-filled electrical equipment comprises a threaded joint 1, a one-way self-sealing valve 7 and an oil-taking nozzle 13, wherein the one-way self-sealing valve 7 is connected to an oil-discharging valve 29 of the oil-filled electrical equipment through the threaded joint 1, the oil-taking nozzle 13 is connected to the outer side end of the one-way self-sealing valve 7 through a nut 17, internal threads are arranged at two ends of the threaded joint 1, an oil inlet hole 27 is arranged in the middle of the threaded joint 1, a circular groove I33 is formed in the outer side wall of the threaded joint 1, a sealing ring I34 is arranged in the groove I33, the sealing ring I34 is sealed through end face contact with the oil-discharging valve 29, a groove VI 2 is formed in the side wall of the oil inlet hole 27, and a.
Furthermore, both ends of the one-way self-sealing valve 7 are provided with external threads, one end of the one-way self-sealing valve is connected to the internal thread of the screwed joint 1, the other end of the one-way self-sealing valve is connected with the screw cap 17 through the threads 8, two annular grooves 5 and three annular grooves 9 are respectively arranged on both sides of the one-way self-sealing valve 7, a sealing ring 6 and a sealing ring three 10 are arranged in the grooves 5 and the grooves three 9 and respectively sealed with the screwed joint 1 and the end face of the oil taking nozzle 13, a through hole 24 is arranged in the middle of the one-way self-sealing valve 7, a slidable valve core 21 and a baffle ring 4 are arranged in the through hole 24, a spring 22 is arranged between the valve core 21 and the baffle ring 4, a snap spring 26 is arranged on the side of the baffle ring 4, an oil passing hole is arranged in the middle of.
Further, the section of the valve core 21 is of a Y-shaped structure, a cylindrical cavity 23 is arranged in the middle of one end of the valve core 21, a push rod 18 is arranged at the other end of the valve core 21, the middle of the valve core is fixedly connected with the cone 30, a sealing ring four 19 is arranged on the outer side face of the cone 30 and is in sealing fit with the inner side wall of the one-way self-sealing valve 7, four uniformly distributed radial holes 20 are formed in the side wall of the valve core 21, the radial holes 20 are communicated with the bottom end of the cavity 23, when the valve core 21 moves leftwards under the pushing of the push rod 18, the inner side cavity of the cylinder 11 is communicated with the cavity 23 and the oil inlet 27, when the valve core 21 moves rightwards under the action of the spring 22, the one-way.
Furthermore, the cross section of the oil taking nozzle 13 is of a Y-shaped structure, an oil outlet hole 31 is formed in the middle of the oil taking nozzle 13, the inner side end of the oil outlet hole 31 is connected with an oil plug 12 through threads, a groove four 15 is formed in the inner side wall of the large conical end of the oil taking nozzle 13, the groove four 15 is internally sealed with the outer side wall of the cylinder 11 through a seal ring five 16, a boss 32 is formed in the outer side wall of the large conical end of the oil taking nozzle 13, and the nut 17 is movably sleeved on the outer side of the boss 32.
Furthermore, the oil plug 12 is provided with an oil delivery hole 14 communicated with cavities at two ends of the oil taking nozzle 13, the oil delivery hole 14 is of a T-shaped structure, when the screw cap 17 is connected to the one-way self-sealing valve 7 and is screwed tightly, the oil plug 12 can push the ejector rod 18 to drive the valve core 21 to move leftwards, the one-way self-sealing valve 7 is in an open state, and when the screw cap 17 is loosened, the one-way self-sealing valve 7 is closed. In the oil-taking state, the one-way self-sealing valve 7 is in an open state, as shown in fig. 3.
Furthermore, the outer side end of the one-way self-sealing valve 7 can be connected with a protective nut 35 through a thread, one end of the protective nut 35 is provided with an internal thread, the other end of the protective nut is of a closed structure, the middle of the protective nut is provided with a cavity 36 for accommodating the cylinder 11, and the inner side of the protective nut 35 is provided with a sealing surface 37 which is in contact with the three sealing rings 10. When oil extraction is not needed, the oil extraction nozzle 13 and the screw cap 17 need to be detached, and a protective screw cap 35 is connected to the side end of the one-way self-sealing valve 7 to prevent oil leakage caused by external force impacting the mandril 18, as shown in fig. 4.
Through increase screwed joint 1 and one-way self-sealing valve 7 on current get the fuel tap 29, connect to get the fuel tap from the fuel tap in one-way again, get oil through getting the fuel tap, accessible joint tail end connects plastic hose to the sample container in, and need not shut down and change and get the fuel tap, through the elasticity of rotatory cup joint nut 17 on getting the glib 13, can adjust the size of getting the fuel volume, make and get the oil process more reliable, convenient and safety, can not again because get the large tracts of land power failure accident that screw 28 on the fuel tap 29 used many times and leads to because of losing efficacy, fine result of use has been obtained.
The parts of the present invention not described in detail are the known techniques of those skilled in the art. Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. An emergency oil taking valve for oil-filled electrical equipment is characterized in that: it includes screwed joint (1), one-way from sealing valve (7) and getting glib (13), one-way from sealing valve (7) is connected to oil charge electrical equipment's oil drain valve (29) through screwed joint (1) on, get glib (13) and be connected to one-way from the outside of sealing valve (7) through nut (17) and serve, screwed joint (1) both ends all have the internal thread, are equipped with inlet port (27) in the centre of screwed joint (1), are equipped with annular groove (33) on the lateral wall of screwed joint (1), have sealing washer (34) in groove (33), and sealing washer (34) are sealed through contacting with oil drain valve (29) terminal surface, are equipped with six (2) of recess on the lateral wall of inlet port (27), have six (3) of sealing washer in six (2) of recess.
2. The emergency oil extraction valve for oil-filled electrical equipment of claim 1, wherein: both ends of the one-way self-sealing valve (7) are provided with external threads, one end of the one-way self-sealing valve is connected to the internal thread of the screwed joint (1), the other end of the one-way self-sealing valve is connected with a screw cap (17) through a thread (8), two sides of the one-way self-sealing valve (7) are respectively provided with a circular groove II (5) and a circular groove III (9), a second sealing ring (6) and a third sealing ring (10) are arranged in the second groove (5) and the third groove (9) and are respectively sealed with the end surfaces of the threaded joint (1) and the oil taking nozzle (13), a through hole (24) is arranged in the middle of the one-way self-sealing valve (7), a slidable valve core (21) and a baffle ring (4) are arranged in the through hole (24), a spring (22) is arranged between the valve core (21) and the baffle ring (4), a snap spring (26) is arranged on the side edge of the baffle ring (4), an oil hole is arranged in the middle of the baffle ring (4), a cylinder (11) into which an oil extraction nozzle (13) is inserted is provided at the outer end of the one-way self-sealing valve (7).
3. The emergency oil extraction valve for oil-filled electrical equipment of claim 2, wherein: the section of the valve core (21) is of a Y-shaped structure, a cylindrical cavity body (23) is arranged in the middle of one end of the valve core (21), a push rod (18) is arranged at the other end of the valve core, the middle of the valve core is fixedly connected with the cone (30), a sealing ring four (19) is arranged on the outer side face of the cone (30) and is in sealing fit with the inner side wall of the one-way self-sealing valve (7), four uniformly distributed radial holes (20) are formed in the side wall of the valve core (21), the radial holes (20) are communicated with the bottom end of the cavity body (23), when the valve core (21) is pushed by the push rod (18) to move leftwards, the inner side cavity body of the cylinder body (11) is communicated with the cavity body (23) and the oil inlet hole (27), when the valve core (21) moves rightwards under the action of the spring (22), the one-way self-sealing valve (7.
4. The emergency oil extraction valve for oil-filled electrical equipment of claim 1, wherein: get the cross-section of glib (13) and be Y type structure, be equipped with oil outlet (31) in the centre of getting glib (13), there is oil plug (12) medial extremity through threaded connection of oil outlet (31), get and be equipped with recess four (15) on the big cone end inside wall of glib (13), it is sealed with cylinder (11) lateral wall through five (16) sealing washers in recess four (15), there is boss (32) on getting the big cone end lateral wall of glib (13), nut (17) activity cup joints on the outside of boss (32).
5. The emergency oil extraction valve for oil-filled electrical equipment of claim 4, wherein: the oil plug (12) is provided with an oil conveying hole (14) communicated with cavities at two ends of the oil taking nozzle (13), the oil conveying hole (14) is of a T-shaped structure, when a nut (17) is connected to the one-way self-sealing valve (7) and is screwed tightly, the oil plug (12) can push the ejector rod (18) to drive the valve core (21) to move leftwards, the one-way self-sealing valve (7) is in an open state, and when the nut (17) is loosened, the one-way self-sealing valve (7) is closed.
6. The emergency oil extraction valve for oil-filled electrical equipment of claim 1, wherein: the outer side end of the one-way self-sealing valve (7) can be connected with a protection nut (35) in a threaded mode, one end of the protection nut (35) is provided with an internal thread, the other end of the protection nut is of a closed structure, a cavity (36) for accommodating the cylinder body (11) is arranged in the middle of the protection nut, and a sealing surface (37) in contact with the sealing ring III (10) is arranged on the inner side of the protection nut (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680994.4U CN210069199U (en) | 2019-05-14 | 2019-05-14 | Emergency oil taking valve for oil-filled electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680994.4U CN210069199U (en) | 2019-05-14 | 2019-05-14 | Emergency oil taking valve for oil-filled electrical equipment |
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| Publication Number | Publication Date |
|---|---|
| CN210069199U true CN210069199U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920680994.4U Active CN210069199U (en) | 2019-05-14 | 2019-05-14 | Emergency oil taking valve for oil-filled electrical equipment |
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| CN (1) | CN210069199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973736A (en) * | 2019-05-14 | 2019-07-05 | 贵州电网有限责任公司 | A kind of emergency oil taking apparatus on oil-filled electric equipment |
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2019
- 2019-05-14 CN CN201920680994.4U patent/CN210069199U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973736A (en) * | 2019-05-14 | 2019-07-05 | 贵州电网有限责任公司 | A kind of emergency oil taking apparatus on oil-filled electric equipment |
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