CN115881373B - Terminal structure of high-voltage high-value resistor - Google Patents

Terminal structure of high-voltage high-value resistor Download PDF

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Publication number
CN115881373B
CN115881373B CN202310062128.XA CN202310062128A CN115881373B CN 115881373 B CN115881373 B CN 115881373B CN 202310062128 A CN202310062128 A CN 202310062128A CN 115881373 B CN115881373 B CN 115881373B
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cavity
plate
sealing
value resistor
voltage high
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CN115881373A (en
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赵志鹏
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State Grid Zhejiang Electric Power Co Ltd Hangzhou Lin'an District Power Supply Co
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State Grid Zhejiang Electric Power Co Ltd Hangzhou Lin'an District Power Supply Co
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Publication of CN115881373A publication Critical patent/CN115881373A/en
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Abstract

The application discloses a high-voltage high-value resistor terminal structure, which relates to the technical field of high-voltage high-value resistor terminals and comprises a high-voltage high-value resistor housing, a rectangular cavity A arranged in the high-voltage high-value resistor housing and a conducting plate arranged on the inner bottom surface of the rectangular cavity A, wherein an outer cover is arranged outside the high-voltage high-value resistor housing, a placing cavity is arranged in one side surface of the outer cover, a discharge hole is arranged on the bottom surface of the placing cavity, a rectangular cavity B is arranged at the top of the inner wall of the discharge hole, a plugging mechanism is arranged in the rectangular cavity B, sealing cavities are symmetrically arranged on the inner wall of the bottom of the discharge hole, a pressurizing mechanism is arranged in the sealing cavities, a circular cylinder is symmetrically arranged on the top surface of the high-voltage high-value resistor housing, and a fixing mechanism is arranged in the circular cylinder; according to the application, after the rope is burnt out by fire, the sodium bicarbonate dry powder in the placing cavity is automatically sprayed out, and the sodium bicarbonate dry powder is attached to the ignition point of the electric wire, so that the oxygen isolation function is realized, the fire extinguishing function is further realized, and the safety of the high-voltage high-value resistor terminal is improved.

Description

Terminal structure of high-voltage high-value resistor
Technical Field
The application relates to the technical field of high-voltage high-value resistor terminals, in particular to a high-voltage high-value resistor terminal structure.
Background
The high-voltage high-resistance resistor is commonly used for testing an insulating resistance meter, the resistance value of the high-voltage high-resistance resistor is up to 100G omega-10T omega, the withstand voltage of the high-voltage high-resistance resistor can be up to 5000V or higher, and the high-voltage high-resistance resistor is generally of a terminal button structure, namely a metal terminal button is arranged on an insulating base and is electrically connected with the inside of the high-voltage high-resistance resistor; the high-voltage high-value resistor terminal is used for connecting the high-voltage high-resistance resistor and the insulating resistor, when the resistance value of the connected insulating resistor is overlarge, open fire can be generated at the wiring position in the high-voltage high-value resistor terminal, the existing high-voltage high-value resistor terminal does not have a fire extinguishing function, the high-voltage high-value resistor terminal is caused to catch fire, and further the fire is caused to occur; therefore, how to solve the above-mentioned problems.
Disclosure of Invention
The application aims to solve the defects in the prior art and provides a terminal structure of a high-voltage high-value resistor.
In order to achieve the above purpose, the present application adopts the following technical scheme:
the utility model provides a high-voltage high-value resistor terminal structure, includes high-voltage high-value resistor shell, sets up rectangular chamber A and the current-conducting plate of installing on rectangular chamber A inner bottom surface in high-voltage high-value resistor shell, high-voltage high-value resistor shell outside is equipped with the dustcoat, just the rectangular opening with rectangular chamber A intercommunication is seted up to dustcoat both sides face, the dustcoat outside is equipped with the PLASTIC LAMINATED, set up in the dustcoat side and place the chamber, place the chamber bottom surface set up the discharge gate with rectangular chamber A intercommunication, just the discharge gate bottom is the slope form, rectangular chamber B has been seted up at discharge gate inner wall top, be equipped with the shutoff mechanism that is used for the discharge gate shutoff in the rectangular chamber B, the sealed chamber has been seted up to the symmetry on the discharge gate bottom inner wall, be equipped with supercharging mechanism in the sealed chamber, high-voltage high-value resistor shell top surface symmetry be equipped with rectangular chamber A intercommunication's circular cylinder, be equipped with fixed establishment in the circular cylinder.
Preferably, the pressurizing mechanism comprises a sealing plate B which is arranged in a sealing cavity in a sliding manner, a limiting plate A which is arranged on one side of the bottom surface in the sealing cavity, a mounting cavity which is arranged on one side of the bottom surface of the outer cover and a fixing plate which is arranged on one side of the top surface in the rectangular cavity A, wherein the sealing plate B and the sealing cavity are arranged in a dynamic sealing structure, a discharging hole which is communicated with a discharging hole is formed in one side of the top surface of the sealing plate B, fixed pulleys are arranged on one side of the bottom surface in the sealing cavity, the inner top surface of the rectangular cavity A and the bottom surface in the mounting cavity, a rope is arranged on one side of the sealing plate B, one end of the rope respectively penetrates through the fixing plate, the sealing cavity and the mounting cavity in a movable manner, one end of the rope respectively penetrates through each fixed pulley and is fixedly connected with one side of the fixing plate, a reset spring B is sleeved on the outer wall of the rope between the sealing plate B and the fixing plate, an air guide pipe which is communicated with the placing cavity is arranged on one side of the sealing plate, a one side of the sealing plate is provided with a one-way air outlet valve which is arranged in the air guide pipe, and an air inlet pipe which is communicated with the rectangular opening.
Preferably, the shutoff mechanism is including sliding the closing plate A that sets up in rectangle intracavity B, just closing plate A and rectangle intracavity B are dynamic seal structure setting, be equipped with extrusion spring between closing plate A and the rectangle intracavity B, rectangle intracavity B side is equipped with the couple, closing plate A bottom surface one side is equipped with the connecting rod, just in the connecting rod bottom extends to the discharge gate in the booster mechanism, the standing groove has been seted up to the cooperation connecting rod on the discharge gate inner wall in the booster mechanism, bar chamber has been seted up to closing plate A side, bar intracavity is equipped with automatic locking subassembly.
Preferably, the automatic locking assembly comprises a strip-shaped groove formed in the inner bottom surface of the strip-shaped cavity, a fixing rod is slidably arranged in the strip-shaped groove, a reset spring A is arranged between the fixing rod and the strip-shaped groove, and one side of the top of the fixing rod is an inclined surface.
Preferably, the fixed establishment is including setting up middle part limiting plate B in the circular cylinder and seting up the screw hole at limiting plate B top surface middle part, threaded hole threaded connection has hexagon socket head cap screw, just limiting plate B bottom activity runs through to limiting plate B bottom, hexagon socket head cap screw bottom rotates and is equipped with the circular plate, just circular plate and circular cylinder slip setting, the circular plate bottom is equipped with the clamp plate.
Preferably, the discharging hole is formed in the middle of the top surface of the placing cavity, the inner wall of the discharging hole is provided with an inner thread, a connector is arranged in the discharging hole, the outer wall of the bottom of the connector is provided with an outer thread in a matched mode, and the top of the connector is provided with an inner hexagonal hole.
Compared with the prior art, the application has the beneficial effects that:
1. the cable and the conductive plate are conveniently fixed together by using the fixing mechanism; the pressing plate is used, so that the contact area between the pressing plate and the cable is conveniently increased, the cable is conveniently fixed, unstable fixation of the cable and the conductive plate is avoided, and the passage of a circuit can be ensured;
2. the circular plate in the fixing mechanism moves downwards to drive the rope to move downwards, so as to drive the sealing plate B to move, so that the sealing plate A is separated from the discharge hole, the cavity is convenient to open, the sodium bicarbonate dry powder in the cavity is convenient to flow out, and meanwhile, the sealing plate B seals the discharge hole, so that the sodium bicarbonate dry powder is convenient to automatically spray out; the automatic locking assembly is used, so that the sealing plate A is convenient to fix, and the resetting of the sealing plate A is avoided, so that the discharge port is in a normally open state;
3. the sealing plate B is pulled by the rope, so that the outside air is pumped into the sealing cavity, and when the sealing plate B is reset by the reset spring B, the air in the sealing cavity is conveyed into the placing cavity, so that the pressure in the placing cavity is increased, the sodium bicarbonate dry powder in the placing cavity is further convenient to spray out, and the fire extinguishing function is realized;
4. after the rope is burnt out through the fire, the sealing plate B can be automatically reset, the discharge hole on the sealing plate B is overlapped with the discharge hole, so that the placing cavity is opened, then sodium bicarbonate dry powder in the placing cavity can be automatically sprayed out, the baking soda dry powder is attached to the ignition point of the electric wire, the oxygen isolation function is achieved, the fire extinguishing function is further achieved, the occurrence of fire is further avoided, and the safety of the high-voltage high-value resistor terminal is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
FIG. 1 is a schematic view of the appearance structure of the present application;
FIG. 2 is a schematic cross-sectional view of the present application;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial enlarged view at B in FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 2 at C;
FIG. 6 is a schematic view of the structure of the automatic locking assembly of the present application;
FIG. 7 is a schematic view of a connector according to the present application;
FIG. 8 is a schematic structural view of a sealing plate B according to the present application;
fig. 9 is a schematic view of the structure of the circular plate and the pressing plate of the present application.
Number in the figure: 1. a high voltage high value resistor housing; 2. an outer cover; 3. a fire protection plate; 4. a connector; 5. a placement cavity; 6. a sealing plate A; 7. an air duct; 8. a connecting rod; 9. a rectangular opening; 10. a sealing plate B; 11. a discharge port; 12. a limiting plate A; 13. a rectangular cavity A; 14. a rope; 15. a fixing plate; 16. a pressing plate; 17. a circular plate; 18. a limiting plate B; 19. a circular cylinder; 20. an inner hexagon bolt; 21. an inner hexagonal hole; 22. an external thread; 23. a hook; 24. a strip-shaped cavity; 25. a fixed rod; 26. a return spring A; 27. a discharge hole; 28. a one-way air outlet valve; 29. sealing the cavity; 30. an air inlet pipe; 31. a one-way air inlet valve; 32. a rectangular cavity B; 33. extruding a spring; 34. a return spring B; 35. a fixed pulley; 36. a mounting cavity.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
Examples: referring to fig. 1-9, a terminal structure of a high voltage high value resistor comprises a high voltage high value resistor housing 1, a rectangular cavity a13 arranged in the high voltage high value resistor housing 1 and a conductive plate arranged on the inner bottom surface of the rectangular cavity a13, wherein an outer cover 2 is arranged outside the high voltage high value resistor housing 1, rectangular openings 9 communicated with the rectangular cavity a13 are arranged on two side surfaces of the outer cover 2, a fireproof plate 3 is arranged outside the outer cover 2, a placing cavity 5 is arranged in one side surface of the outer cover 2, sodium bicarbonate dry powder is arranged in the placing cavity 5, and oxygen at a fire point is conveniently isolated, so that a fire extinguishing function is realized; the bottom surface of the placing cavity 5 is provided with a discharge hole 11 communicated with the rectangular cavity A13, and the bottom of the discharge hole 11 is inclined, so that sodium bicarbonate dry powder is conveniently sprayed out and covers the whole rectangular cavity A13, and the fire extinguishing range is enlarged; rectangular cavity B32 is arranged at the top of the inner wall of discharge hole 11, a plugging mechanism for plugging discharge hole 11 is arranged in rectangular cavity B32, and through the use of the plugging mechanism, discharge hole 11 is conveniently plugged, and the placed sodium bicarbonate dry powder is prevented from being leaked, so that the waste of sodium bicarbonate dry powder is avoided, and the sodium bicarbonate dry powder is further conveniently protected; the inner wall of the bottom of the discharge hole 11 is symmetrically provided with a sealing cavity 29, a pressurizing mechanism is arranged in the sealing cavity 29, and the pressure in the placing cavity 5 is conveniently increased by using the pressurizing mechanism, so that the spraying of sodium bicarbonate dry powder is facilitated, and the fire extinguishing function is realized; the top surface of the high-voltage high-value resistor housing 1 is symmetrically provided with a circular cylinder 19 communicated with the rectangular cavity A13, a fixing mechanism is arranged in the circular cylinder 19, and a cable wire and a conductive plate are conveniently fixed together through the use of the fixing mechanism, so that a circuit path is realized.
In the application, the pressurizing mechanism comprises a sealing plate B10, a limiting plate A12, a mounting cavity 36 and a fixed plate 15, wherein the sealing plate B10 is arranged in a sealing cavity 29 in a sliding manner, the limiting plate A12 is arranged on one side of the inner bottom surface of the sealing cavity 29, the mounting cavity 36 is arranged on one side of the bottom surface of an outer cover 2, the fixed plate 15 is arranged on one side of the inner top surface of a rectangular cavity A13, the sealing plate B10 and the sealing cavity 29 are arranged in a dynamic sealing structure, a discharging hole 27 communicated with a discharging hole 11 is formed on one side of the top surface of the sealing plate B10, fixed pulleys 35 are respectively arranged on one side of the inner bottom surface of the sealing cavity 29, the inner top surface of the rectangular cavity A13 and the inner bottom surface of the mounting cavity 36, a rope 14 is arranged on one side of the sealing plate B10, one end of the rope 14 respectively penetrates through the fixed plate 15, the sealing cavity 29 and the mounting cavity 36, wherein fire is blown conveniently by using the rope 14, so that the dry sodium bicarbonate powder is automatically sprayed out conveniently, and the fire extinguishing function is realized; one end of the rope 14 respectively passes through each fixed pulley 35 and is fixedly connected with one side of the fixed plate 15, a reset spring B34 is sleeved on the outer wall of the rope 14 between the sealing plate B10 and the fixed plate 15, an air duct 7 communicated with the placing cavity 5 is arranged at the top of one side of the sealing cavity 29, a one-way air outlet valve 28 is arranged in the air duct 7, an air inlet pipe 30 communicated with the rectangular opening 9 is arranged at the bottom of one side of the sealing cavity 29, and a one-way air inlet valve 31 is arranged in the air inlet pipe 30.
In the application, the plugging mechanism comprises a sealing plate A6 which is arranged in a rectangular cavity B32 in a sliding manner, the sealing plate A6 and the rectangular cavity B32 are arranged in a dynamic sealing structure, an extrusion spring 33 is arranged between the sealing plate A6 and the rectangular cavity B32, a hook 23 is arranged on one side of the rectangular cavity B32, a connecting rod 8 is arranged on one side of the bottom surface of the sealing plate A6, the bottom of the connecting rod 8 extends into a discharging hole 27 in the pressurizing mechanism, a placing groove is formed on the inner wall of a discharging hole 11 in the pressurizing mechanism in cooperation with the connecting rod 8, a strip-shaped cavity 24 is formed on one side of the sealing plate A6, an automatic locking assembly is arranged in the strip-shaped cavity 24, and the sealing plate A6 is conveniently and automatically fixed through the use of the automatic locking assembly, so that the discharging hole 11 is automatically opened, and sodium bicarbonate dry powder is conveniently and automatically sprayed out.
In the application, the automatic locking component comprises a strip-shaped groove arranged on the inner bottom surface of the strip-shaped cavity 24, a fixing rod 25 is slidably arranged in the strip-shaped groove, a return spring A26 is arranged between the fixing rod 25 and the strip-shaped groove, one side of the top of the fixing rod 25 is an inclined surface, so that the hook 23 can conveniently press the fixing rod 25, the hook 23 passes through the fixing rod 25, the hook 23 can be further fixed, and the sealing plate A6 can be further fixed.
In the application, the fixing mechanism comprises a middle limiting plate B18 arranged in a circular cylinder 19 and a threaded hole formed in the middle of the top surface of the limiting plate B18, wherein an inner hexagon bolt 20 is connected in the threaded hole in a threaded manner, the bottom of the limiting plate B18 movably penetrates through the bottom of the limiting plate B18, a circular plate 17 is rotatably arranged at the bottom of the inner hexagon bolt 20, the circular plate 17 and the circular cylinder 19 are arranged in a sliding manner, and a pressing plate 16 is arranged at the bottom of the circular plate 17.
In the application, the middle part of the top surface of the placing cavity 5 is provided with the discharging hole, the inner wall of the discharging hole is provided with the internal thread, the discharging hole is internally provided with the connector 4, the outer wall of the bottom of the connector 4 is provided with the external thread 22 in a matched manner, the top of the connector 4 is provided with the internal hexagonal hole 21, wherein the connector 4 is in threaded connection with the discharging hole, so that the tightness between the connector 4 and the discharging hole is conveniently improved, and the leakage of sodium bicarbonate dry powder in the placing cavity 5 is avoided.
Working principle: when the device is used, the connector 4 at the top of the placing cavity 5 is firstly opened, then sodium bicarbonate dry powder is placed in the placing cavity 5, and then the connector 4 is screwed in the discharging port, wherein the connector 4 is in threaded connection with the discharging port, so that the tightness between the connector 4 and the discharging port is convenient to improve, and leakage of sodium bicarbonate dry powder in the placing cavity 5 is avoided;
then, peeled cables are respectively inserted into rectangular openings 9 at two ends of the outer cover 2, the hexagon socket head cap bolts 20 are rotated through the hexagon socket head cap screws 20, the circular plate 17 is driven to move downwards through the downward movement of the hexagon socket head cap bolts 20, and then the pressing plate 16 is driven to move downwards, so that the pressing plate 16 is contacted with the cables, the contact area between the pressing plate 16 and the cables is conveniently increased through the use of the pressing plate 16, the cables are conveniently fixed, the cables are connected with the conductive plates on the inner bottom surface of the rectangular cavity A13, and a circuit path is realized;
when one of the circular plates 17 moves downwards, the rope 14 is driven to move downwards, and then the sealing plate B10 is driven to move, so that the connecting rod 8 is driven to move, and the sealing plate A6 is further driven to move, and when the other circular plate 17 moves downwards, the rope 14 is driven to move downwards continuously, so that the sealing plate B10 is further driven to move, and the sealing plate A6 is further driven to move;
when the two pressing plates 16 fix the electric wires, at the moment, the hooks 23 penetrate into the strip-shaped cavities 24 on the sealing plate A6 and press the fixing rods 25 downwards, and when the hooks 23 penetrate through the fixing rods 25, the fixing rods 25 reset under the action of the reset springs A26, so that the sealing plate A6 is fixed, the discharge hole 11 is further opened, the sodium bicarbonate dry powder is conveniently discharged, and the fire is conveniently extinguished; when the sealing plate A6 in the discharge hole 11 is completely removed, the sealing plate B10 immediately seals the discharge hole 11, so that leakage of sodium bicarbonate dry powder is avoided, and the sodium bicarbonate dry powder is protected conveniently;
when the sealing plate B10 is pulled by the rope 14, external air is pumped into the sealing cavity 29 through the air inlet pipe 30, when a fire disaster occurs at a cable junction, the rope 14 is blown out, and then the sealing plate B10 is reset under the action of the reset spring B34, so that the air in the sealing cavity 29 is conveyed into the placing cavity 5 through the air duct 7, the pressure in the placing cavity 5 is increased, and sodium bicarbonate dry powder in the placing cavity 5 is conveniently sprayed out, so that a fire extinguishing function is realized; after the sealing plate B10 resets, discharge hole 27 coincides with discharge gate 11, and at this moment, because the pressure in placing chamber 5 is greater than external pressure to make the sodium bicarbonate dry powder blowout of placing in chamber 5, and the sodium bicarbonate dry powder that sprays can adhere to the ignition point department at the cable conductor, and isolated oxygen, thereby realize the function of putting out a fire, further avoid the emergence of conflagration, improve the security.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.

Claims (4)

1. The utility model provides a high-voltage high-value resistor terminal structure, includes high-voltage high-value resistor shell (1), offers rectangular chamber A (13) of putting in high-voltage high-value resistor shell (1) and installs the current-conducting plate on rectangular chamber A (13) inner bottom surface, its characterized in that: the high-voltage high-value resistor comprises a high-voltage high-value resistor shell, a shell (1), a fireproof plate (3), a placing cavity (5), a discharging hole (11) communicated with the rectangular cavity A (13) and arranged on the bottom surface of the placing cavity (5), a rectangular cavity B (32) arranged on the top of the inner wall of the discharging hole (11), sealing cavities (29) are symmetrically arranged on the inner wall of the bottom of the discharging hole (11), pressurizing mechanisms are arranged in the sealing cavities (29), circular cylinders (19) communicated with the rectangular cavity A (13) are symmetrically arranged on the top surface of the high-voltage high-value resistor shell (1), and fixing mechanisms are arranged in the circular cylinders (19);
the pressurizing mechanism comprises a sealing plate B (10) arranged in a sealing cavity (29) in a sliding manner, a limiting plate A (12) arranged on one side of the inner bottom surface of the sealing cavity (29), a mounting cavity (36) arranged on one side of the bottom surface of an outer cover (2) and a fixed plate (15) arranged on one side of the inner top surface of the rectangular cavity A (13), wherein the sealing plate B (10) and the sealing cavity (29) are arranged in a dynamic sealing structure, a discharging hole (27) communicated with a discharging hole (11) is formed in one side of the top surface of the sealing plate B (10), fixed pulleys (35) are arranged on one side of the inner bottom surface of the sealing cavity (29), the inner top surface of the rectangular cavity A (13) and the inner bottom surface of the mounting cavity (36), a rope (14) is arranged on one side of the sealing plate B (10), one end of the rope (14) respectively and movably penetrates through the fixed plates (15), the sealing cavity (29) and the mounting cavity (36), one end of the rope (14) is respectively penetrated through each fixed pulley (35) and fixedly connected with one side of the fixed plate (15), a reset spring (29) is arranged between the sealing plate B (10) and the fixed plate (15) on one side, the inner side of the inner surface of the rope (14) is provided with a reset spring (7), the air guide valve (7) is arranged on one side of the sealing plate (7) and is arranged on the inner side of the air guide valve (7), an air inlet pipe (30) communicated with the rectangular opening (9) is arranged at the bottom of one side surface of the sealing cavity (29), and a one-way air inlet valve (31) is arranged in the air inlet pipe (30);
the sealing mechanism comprises a sealing plate A (6) which is arranged in a rectangular cavity B (32) in a sliding manner, the sealing plate A (6) and the rectangular cavity B (32) are arranged in a dynamic sealing structure, an extrusion spring (33) is arranged between the sealing plate A (6) and the rectangular cavity B (32), a hook (23) is arranged on one side of the rectangular cavity B (32), a connecting rod (8) is arranged on one side of the bottom surface of the sealing plate A (6), the bottom of the connecting rod (8) extends into a discharging hole (27) in the pressurizing mechanism, a placing groove is formed in the inner wall of a discharging hole (11) in the pressurizing mechanism in a matched manner, and a strip-shaped cavity (24) is formed in one side of the sealing plate A (6), and an automatic locking component is arranged in the strip-shaped cavity (24).
2. A high voltage high value resistor termination structure according to claim 1, characterized in that: the automatic locking assembly comprises a strip-shaped groove formed in the inner bottom surface of the strip-shaped cavity (24), a fixing rod (25) is slidably arranged in the strip-shaped groove, a reset spring A (26) is arranged between the fixing rod (25) and the strip-shaped groove, and one side of the top of the fixing rod (25) is an inclined surface.
3. A high voltage high value resistor termination structure according to claim 1, characterized in that: the fixing mechanism comprises a middle limiting plate B (18) arranged in a circular cylinder (19) and a threaded hole formed in the middle of the top surface of the limiting plate B (18), wherein an inner hexagon bolt (20) is connected in the threaded hole, the bottom of the limiting plate B (18) movably penetrates through the bottom of the limiting plate B (18), a circular plate (17) is rotatably arranged at the bottom of the inner hexagon bolt (20), the circular plate (17) and the circular cylinder (19) are arranged in a sliding mode, and a pressing plate (16) is arranged at the bottom of the circular plate (17).
4. A high voltage high value resistor termination structure according to claim 1, characterized in that: the utility model discloses a material discharging device, including placing chamber (5), material discharging port, connector (4), external screw thread (22) have been seted up to placing chamber (5) top surface middle part, the internal screw thread has been seted up on the material discharging port inner wall, connector (4) bottom outer wall is gone up to cooperate internal screw thread and has been seted up, interior hexagonal hole (21) have been seted up at connector (4) top.
CN202310062128.XA 2023-01-13 2023-01-13 Terminal structure of high-voltage high-value resistor Active CN115881373B (en)

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Application Number Priority Date Filing Date Title
CN202310062128.XA CN115881373B (en) 2023-01-13 2023-01-13 Terminal structure of high-voltage high-value resistor

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Application Number Priority Date Filing Date Title
CN202310062128.XA CN115881373B (en) 2023-01-13 2023-01-13 Terminal structure of high-voltage high-value resistor

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CN115881373A CN115881373A (en) 2023-03-31
CN115881373B true CN115881373B (en) 2023-10-03

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CN112419652A (en) * 2020-11-18 2021-02-26 北京鼎翰建筑有限公司 Fire alarm for plastic tray production line
CN214280567U (en) * 2021-01-26 2021-09-24 公绪杰 Power supply device of communication equipment
CN115202456A (en) * 2022-07-26 2022-10-18 南京江宁高等职业技术学校 Desk-top computer machine case is with supplementary heat sink

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