CN218274333U - High-voltage isolating switch - Google Patents
High-voltage isolating switch Download PDFInfo
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- CN218274333U CN218274333U CN202222270953.2U CN202222270953U CN218274333U CN 218274333 U CN218274333 U CN 218274333U CN 202222270953 U CN202222270953 U CN 202222270953U CN 218274333 U CN218274333 U CN 218274333U
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- driving arm
- locking
- blade
- pull ring
- spring
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Abstract
The utility model relates to a high voltage isolator, including base, setting at the first insulator of base one end, setting first blade holder, setting second insulator, setting second blade holder, rotation setting two isolation blade, blocked mechanical system on first blade holder on the first blade holder of setting on the base other end on the first insulator, blocked mechanical system including rotate set up two keep apart the pull ring between the blade, rotate set up between two isolation blade and close latch hook, set up the limiting plate on the second blade holder with pull ring linkage complex between two isolation blade, the limiting plate on be provided with spacing hole, latch hook one end have with spacing hole matched with hook body, hook body along with latch hook action and but the lock is in spacing downthehole, and constitute the spacing cooperation of latch hook and limiting plate. The utility model has the advantages of simple structure, stable and reliable performance, high safety and locking function.
Description
Technical Field
The utility model relates to an isolator, concretely relates to high voltage isolator.
Background
The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. For switching on, switching off or switching the line in the case of a voltage-loaded train of high-voltage equipment. The main functions are as follows: the safety of the high-voltage electrical appliance and the device during maintenance work is ensured, and the voltage isolation function is achieved. The structure design of the existing high-voltage isolating switch is unreasonable, the isolating blade and the tool apron are easy to automatically fall off, the isolating switch does not have the switching-on and switching-off locking function, and the reliable switching-on and switching-off of the isolating switch can not be guaranteed, so that the isolating switch has the defects of complex structure and unreliable performance.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, high security, possess the high voltage isolator of shutting function.
In order to achieve the above object, the utility model discloses a high voltage isolator, including base, setting at one of base one end first insulator, set up first blade holder on first insulator, set up second insulator on the base other end, set up second blade holder on the second insulator, rotate two isolation blade, blocked mechanical system that set up on first blade holder, blocked mechanical system including rotate the pull ring that sets up between two isolation blade, rotate and set up between two isolation blade and close latch hook, set up the limiting plate on second blade holder with pull ring linkage complex between two isolation blade, the limiting plate on be provided with spacing hole, latch hook one end have with spacing hole matched with hook body, hook body along with latch hook action and lock in spacing hole, and constitute the spacing cooperation of latch hook and limiting plate.
The beneficial effect of above-mentioned structure is: the locking mechanism is simple in structural design and convenient to operate, and can lock the isolating switch in a closing state, so that the working reliability of the isolating switch is improved. During operation, the pull ring drives the locking hook to act, the hook body of the locking hook is buckled in the limiting hole of the limiting plate, so that closing and locking of the isolating switch can be realized, and when opening the isolating switch, the pull ring is pulled, and the pull ring drives the locking hook to unlock the limiting plate, so that opening operation can be performed on the isolating switch. Therefore, the isolating switch has the advantages of simple structure, stable and reliable performance, high safety and locking function.
Particularly, the other end of the locking hook is provided with a driving arm matched with the pull ring, the pull ring is provided with a locking driving block and an unlocking driving arm corresponding to the two sides of the driving arm respectively, an accommodating space is formed between the locking driving block and the unlocking driving arm, the driving arm extends into the accommodating space, and the locking driving block and the unlocking driving arm move along with the pull ring and can respectively abut against the two sides of the driving arm to form linkage matching of the locking hook and the pull ring. The pull ring is respectively provided with a locking driving block and an unlocking driving arm which are matched with the locking hook, so that the disconnecting switch can be ensured to be opened and closed reliably; when the unlocking driving arm abuts against the driving arm, the unlocking driving arm drives the locking hook to rotate, the hook body of the locking hook is separated from the limiting hole of the limiting plate, and after the locking hook is unlocked from the limiting plate, the isolating switch can execute opening operation.
Particularly, an arc groove matched with the locking driving block is formed in one side of the driving arm, the locking driving block is abutted to the arc groove, and the driving arm is in limit fit with the locking driving block. The driving arm is provided with a cambered surface groove clamped with the locking driving block, so that the locking of the driving arm and the locking driving block is more reliable.
Particularly, the unlocking driving arm is provided with an arc-shaped protruding part, and the arc-shaped protruding part acts along with the unlocking driving arm and can abut against the other side of the unlocking driving arm. The arc-surface bulge matched with the driving arm is arranged on the unlocking driving arm, so that clamping stagnation of the unlocking driving arm and the driving arm can be avoided, and the transmission reliability of the unlocking driving arm and the driving arm can be ensured.
Particularly, one side department that corresponds the contact between two isolation blades be provided with spring assembly, spring assembly including set up bolt on two isolation blades, set up nut on the bolt, the suit spring on the bolt, the bolt on correspond spring both ends department and be provided with first spring holder, second spring holder respectively, the both ends of spring block respectively in first spring holder, second spring holder, first spring holder contradict on the nut, second spring holder contradict on one of them isolation blade. The spring assembly can increase the contact pressure of the two isolating blades and the second cutter holder, and the isolating blades and the second cutter holder are not easy to fall off automatically, so that the working reliability of the isolating switch is improved.
Drawings
Fig. 1 is a perspective view of the embodiment of the present invention.
Fig. 2 is an exploded view of the embodiment of the present invention.
Fig. 3 is an internal structure diagram of the embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 3, an embodiment of the present invention is a high voltage isolation switch, including a base 10, a first insulator 11 disposed on one end of the base 10, a first base 12 disposed on the first insulator 11, a second insulator 13 disposed on the other end of the base 10, a second base 14 disposed on the second insulator 13, two isolation blades 15 rotatably disposed on the first base 12, and a locking mechanism 20, where the locking mechanism 20 includes a pull ring 21 rotatably disposed between the two isolation blades 15, a locking hook 22 rotatably disposed between the two isolation blades 15 and cooperating with the pull ring 21, and a limiting plate 23 disposed on the second base 14, the limiting plate 23 is provided with a limiting hole 231, one end of the locking hook 22 has a hook 221 cooperating with the limiting hole 231, the hook 221 acts with the locking hook 22 and can be locked in the limiting hole 231, and constitutes a limiting fit between the locking hook 22 and the limiting plate 23. The other end of the locking hook 22 is provided with a driving arm 222 matched with the pull ring 21, the pull ring 21 is provided with a locking driving block 211 and an unlocking driving arm 212 corresponding to two sides of the driving arm 222, an accommodating space 200 is formed between the locking driving block 211 and the unlocking driving arm 212, the driving arm 22 extends into the accommodating space 200, and the locking driving block 211 and the unlocking driving arm 212 move along with the pull ring 21 and can respectively abut against two sides of the driving arm 222, so that the locking hook 22 and the pull ring 21 are in linkage matching. The pull ring is respectively provided with a locking driving block and an unlocking driving arm which are matched with the locking hook, so that the disconnecting switch can be ensured to be opened and closed reliably; when the unlocking driving arm abuts against the driving arm, the unlocking driving arm drives the locking hook to rotate, the hook body of the locking hook is separated from the limiting hole of the limiting plate, and after the locking hook is unlocked from the limiting plate, the isolating switch can execute opening operation. An arc groove 223 matched with the locking driving block 211 is formed in one side of the driving arm 222, the locking driving block 211 is abutted to the arc groove 223, and the driving arm 222 is in limit fit with the locking driving block 211. The driving arm is provided with a cambered surface groove clamped with the locking driving block, so that the locking of the driving arm and the locking driving block is more reliable. The unlocking driving arm 212 is provided with an arc-shaped projection part 213, and the arc-shaped projection part 213 acts with the unlocking driving arm 212 and can abut against the other side of the driving arm 222. The arc-surface convex part matched with the driving arm is arranged on the unlocking driving arm, so that clamping stagnation of the unlocking driving arm and the driving arm can be avoided, and the transmission reliability of the unlocking driving arm and the driving arm can be ensured.
As shown in fig. 1, a spring assembly 30 is disposed at one side of the contact 151 between the two isolation blades 15, the spring assembly 30 includes a bolt 31 disposed on the two isolation blades 151, a nut 32 disposed on the bolt 31, and a spring 33 sleeved on the bolt 31, a first spring seat 34 and a second spring seat 35 are disposed at two ends of the bolt 31 corresponding to the spring 33, two ends of the spring 33 are respectively engaged with the first spring seat 34 and the second spring seat 35, the first spring seat 34 abuts against the nut 32, and the second spring seat 35 abuts against one of the isolation blades 15. The spring assembly can increase the contact pressure of the two isolating blades and the second cutter holder, and the isolating blades and the second cutter holder are not easy to fall off automatically, so that the working reliability of the isolating switch is improved.
The locking mechanism is simple in structural design and convenient to operate, and can lock the isolating switch in a closing state, so that the working reliability of the isolating switch is improved. When the disconnecting switch is switched off, the pull ring is pulled, and the pull ring drives the locking hook to be unlocked with the limiting plate, so that the disconnecting switch can be switched off. Therefore, the isolating switch has the advantages of simple structure, stable and reliable performance, high safety and locking function.
Claims (5)
1. The utility model provides a high voltage isolator, includes the base, sets up first insulator in base one end, sets up first blade holder on first insulator, sets up the second insulator on the base other end, sets up the second blade holder on the second insulator, rotates two isolation blades, blocked mechanical system that set up on first blade holder, its characterized in that: the blocked mechanical system including rotate the pull ring that sets up between two isolation blades, rotate the setting between two isolation blades and with pull ring linkage complex latch hook, set up the limiting plate on the second blade holder, the limiting plate on be provided with spacing hole, latch hook one end have with spacing hole matched with hook body, hook body along with the action of latch hook and but the lock is in spacing downthehole, and constitute the spacing cooperation of latch hook and limiting plate.
2. The high voltage isolator of claim 1, wherein: the other end of the locking hook is provided with a driving arm matched with the pull ring, the pull ring is provided with a locking driving block and an unlocking driving arm corresponding to the two sides of the driving arm respectively, an accommodating space is formed between the locking driving block and the unlocking driving arm, the driving arm extends into the accommodating space, the locking driving block and the unlocking driving arm move along with the pull ring and can be abutted against the two sides of the driving arm respectively, and linkage matching of the locking hook and the pull ring is formed.
3. The high voltage isolator of claim 2, wherein: one side of the driving arm is provided with an arc surface groove matched with the locking driving block, and the locking driving block is abutted in the arc surface groove and forms limiting matching of the driving arm and the locking driving block.
4. The high voltage isolator switch of claim 2, wherein: the unlocking driving arm is provided with an arc-shaped protruding part, and the arc-shaped protruding part acts along with the unlocking driving arm and can abut against the other side of the unlocking driving arm.
5. The high voltage isolator according to claim 1 or 2, wherein: two keep apart one side department that corresponds the contact between the blade and be provided with spring unit, spring unit including setting up bolt on two keep apart the blade, setting up nut on the bolt, the suit spring on the bolt, the bolt on correspond spring both ends department and be provided with first spring holder, second spring holder respectively, the both ends of spring block respectively in first spring holder, second spring holder, first spring holder contradict on the nut, second spring holder contradict on one of them isolation blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222270953.2U CN218274333U (en) | 2022-08-27 | 2022-08-27 | High-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222270953.2U CN218274333U (en) | 2022-08-27 | 2022-08-27 | High-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218274333U true CN218274333U (en) | 2023-01-10 |
Family
ID=84709203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222270953.2U Active CN218274333U (en) | 2022-08-27 | 2022-08-27 | High-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218274333U (en) |
-
2022
- 2022-08-27 CN CN202222270953.2U patent/CN218274333U/en active Active
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