CN220138192U - Double-break isolating switch - Google Patents
Double-break isolating switch Download PDFInfo
- Publication number
- CN220138192U CN220138192U CN202321788356.7U CN202321788356U CN220138192U CN 220138192 U CN220138192 U CN 220138192U CN 202321788356 U CN202321788356 U CN 202321788356U CN 220138192 U CN220138192 U CN 220138192U
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- Prior art keywords
- conducting rod
- rack
- gear
- transmission shaft
- contact seat
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- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 239000012212 insulator Substances 0.000 claims abstract description 16
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims description 14
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 10
- 235000017491 Bambusa tulda Nutrition 0.000 description 10
- 241001330002 Bambuseae Species 0.000 description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 10
- 239000011425 bamboo Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- Mechanisms For Operating Contacts (AREA)
Abstract
The utility model discloses a double-break isolating switch which comprises a base and a switch assembly, wherein a first insulator and a second insulator are respectively and fixedly arranged on the left side and the right side of the base, the switch assembly comprises an isolating cylinder, a first conducting rod and a second conducting rod, a transmission shaft is rotatably arranged in the middle of the isolating cylinder, a gear is fixedly arranged on the transmission shaft, a first rack and a second rack are respectively and fixedly connected with the upper side and the lower side of the gear in a meshed mode, the first rack and the second rack are respectively and fixedly connected with the first conducting rod and the second conducting rod, and a synchronous belt transmission mechanism is arranged between the transmission shaft and a rotating shaft. The isolating switch structure with double fracture has better isolating performance, the rotary motion of the rotating shaft is transmitted to the gear rack mechanism through the synchronous belt transmission mechanism, the two conducting rods are driven to conduct switching-on and switching-off operation, and the two conducting rods are arranged in the isolating cylinder, so that the isolating switch structure is safe and stable in use environment and is not easily influenced by collision, sand storm, rain and snow weather.
Description
Technical Field
The utility model relates to the technical field of isolating switches, in particular to a double-break isolating switch.
Background
The isolating switch is a switching device which is mainly used for isolating a power supply, switching operation and switching on and off a small current circuit and has no arc extinguishing function; the isolating switch has simple working principle and structure, but large usage amount, so the quality requirement on the isolating switch is strict. At present, the isolating switch used outdoors has low overall structural strength, and the isolating switch is easy to damage or poor in contact when encountering collision or sand storm and rain and snow weather, thereby influencing the safety of electricity consumption.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a double-break isolating switch which can avoid the adverse effect on electric contact connection caused by collision or sand storm and rain and snow weather.
The utility model solves the technical problems by adopting the technical scheme that: the utility model provides a double-break isolating switch, includes base and switch module, rotate on the base and install the pivot, rotary driving mechanism is connected in the pivot, the left and right sides of base is fixed mounting first insulator and second insulator respectively, and the upper end of first insulator and second insulator is equipped with first contact seat and second contact seat respectively, switch module includes a section of thick bamboo, first conducting rod and second conducting rod, and a section of thick bamboo fixed mounting is on first contact seat and second contact seat, and the both ends of a section of thick bamboo slidable mounting first conducting rod and second conducting rod respectively, and first conducting rod and second conducting rod cooperate with the contact on first contact seat and the second contact seat respectively, realize the electricity through the wire between first conducting rod and the second conducting rod and be connected, a section of thick bamboo middle part rotation is installed the transmission shaft, and fixed mounting has the gear on the transmission shaft, the upper and lower both sides of gear are connected with first and second rack respectively in the meshing, first rack and second rack are fixed connection first conducting rod and second conducting rod respectively, be equipped with synchronous belt mechanism between transmission shaft and the transmission shaft.
Further perfecting, fixed mounting has electrically conductive spare on the isolation section of thick bamboo inner wall, and electrically conductive spare both ends are equipped with first baffle and second baffle respectively, and the gear is located between first baffle and the second baffle, the wire includes two electrically conductive spring wires that set up respectively between first baffle and first conducting rod, between second baffle and the second conducting rod.
Further perfecting, the gear is positioned in the isolation cylinder, the synchronous belt transmission mechanism is positioned outside the isolation cylinder, and the transmission shaft and the gear are made of insulating materials.
The beneficial effects of the utility model are as follows: the isolating switch structure with double fracture has better isolating performance, the rotary motion of the rotating shaft is transmitted to the gear rack mechanism through the synchronous belt transmission mechanism, the two conducting rods are driven to conduct switching-on and switching-off operation, and the two conducting rods are arranged in the isolating cylinder, so that the isolating switch structure is safe and stable in use environment and is not easily influenced by collision, sand storm, rain and snow weather.
Drawings
FIG. 1 is a schematic diagram of the present utility model in closing a switch;
FIG. 2 is a schematic diagram of the structure of the present utility model during opening;
reference numerals illustrate: 1. the device comprises a base, 2, a rotating shaft, 3, a first insulator, 4, a second insulator, 5, a first contact seat, 6, a second contact seat, 7, an isolating cylinder, 8, a first conducting rod, 9, a second conducting rod, 10, a transmission shaft, 11, a gear, 12, a first rack, 13, a second rack, 14, a synchronous belt transmission mechanism, 15, a conducting piece, 16, a first baffle, 17, a second baffle, 18 and a conducting spring wire.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1-2: the utility model provides a double-break isolating switch in this embodiment, includes base 1 and switch module, rotate on the base 1 and install pivot 2, pivot 2 connects rotary driving mechanism, the left and right sides of base 1 is fixed mounting first insulator 3 and second insulator 4 respectively, and the upper end of first insulator 3 and second insulator 4 is equipped with first contact seat 5 and second contact seat 6 respectively, switch module includes a section of thick bamboo 7, first conducting rod 8 and second conducting rod 9, and section of thick bamboo 7 fixed mounting is on first contact seat 5 and second contact seat 6, and the both ends of section of thick bamboo 7 slidable mounting first conducting rod 8 and second conducting rod 9 respectively, and first conducting rod 8 and second conducting rod 9 cooperate with the contact on first contact seat 5 and the second contact seat 6 respectively, realize the electricity through the wire between first conducting rod 8 and the second conducting rod 9 and be connected, section of thick bamboo 7 middle part rotation installs transmission shaft 10, and fixed mounting has gear 11 on transmission shaft 10, the upper and lower both sides of gear 11 are connected with first conducting rod 12 and second conducting rod 13 and second rack 13 respectively, and second rack 13 are connected with first conducting rod 10 and second rack 13 respectively, and drive mechanism is equipped with between the first rack and the second conducting rod 2.
As shown in fig. 1, when the isolating switch is switched on, the first contact seat 5 and the second contact seat 6 on two sides are fixedly connected with electric wires, and the circuit conduction is realized through the first conducting rod 8, the second conducting rod 9 and the conducting wires. When the brake is required to be separated, the rotary driving mechanism drives the rotary shaft 2 to rotate positively, the rotary shaft 2 drives the gear 11 on the transmission shaft 10 to rotate through the synchronous belt transmission mechanism 14, the gear 11 is meshed with the first rack 12 and the second rack 13 on two sides, the first conducting rod 8 and the second conducting rod 9 are driven to move inwards, the first conducting rod 8 and the second conducting rod 9 are separated from the contacts on the first contact seat 5 and the second contact seat 6, and the circuit breaking is disconnected, so that the safety protection effect is realized. The rotary driving mechanism drives the rotating shaft 2 to switch on when reversing. The isolating switch structure with double fracture has better isolating performance, the rotary motion of the rotating shaft is transmitted to the gear rack mechanism through the synchronous belt transmission mechanism, the two conducting rods are driven to conduct switching-on and switching-off operation, and the two conducting rods are arranged in the isolating cylinder, so that the isolating switch structure is safe and stable in use environment and is not easily influenced by collision, sand storm, rain and snow weather.
Preferably, the inner wall of the isolation cylinder 7 is fixedly provided with a conductive member 15, two ends of the conductive member 15 are respectively provided with a first baffle 16 and a second baffle 17, the gear 11 is positioned between the first baffle 16 and the second baffle 17, and the conductive wire comprises two conductive spring wires 18 respectively arranged between the first baffle 16 and the first conductive rod 8 and between the second baffle 17 and the second conductive rod 9. The two conductive spring wires 18 are electrically connected to the conductive member 15, and the conductive spring wires 18 can realize good electrical connection when the second conductive rod 9 and the first conductive rod 8 stretch and move, so that the wires cannot be broken, and the internal structure of the isolation barrel 7 is more compact. When the conductive spring wire 18 has a large elasticity, it is possible to make the conductive rod and the contact holder more closely coupled.
Preferably, the gear 11 is located inside the isolation cylinder 7, and the gear 11 is not easily affected by external dust. The synchronous belt transmission mechanism 14 is positioned outside the isolation cylinder 7, and is convenient to install and replace. The transmission shaft 10 and the gear 11 are made of insulating materials, so that the transmission mechanism is not easy to be electrified and is safer. In addition, can also set up the guide rail on the outside of isolation section of thick bamboo 7, slidable mounting has the safety cover on the guide rail, and the safety cover can slide on the guide rail, shields the contact seat, plays rain-proof effect.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (3)
1. The utility model provides a double-break isolating switch, includes base (1) and switch module, rotate on base (1) and install pivot (2), rotary driving mechanism is connected in pivot (2), the left and right sides of base (1) is fixed mounting first insulator (3) and second insulator (4) respectively, and the upper end of first insulator (3) and second insulator (4) is equipped with first contact seat (5) and second contact seat (6) respectively, its characterized in that: the switch assembly comprises an isolation cylinder (7), a first conducting rod (8) and a second conducting rod (9), wherein the isolation cylinder (7) is fixedly installed on a first contact seat (5) and a second contact seat (6), the first conducting rod (8) and the second conducting rod (9) are respectively and slidably installed at two ends of the isolation cylinder (7), the first conducting rod (8) and the second conducting rod (9) are respectively matched with contacts on the first contact seat (5) and the second contact seat (6), the first conducting rod (8) and the second conducting rod (9) are electrically connected through wires, a transmission shaft (10) is installed in a middle-portion rotation mode, a gear (11) is fixedly installed on the transmission shaft (10), a first rack (12) and a second rack (13) are respectively and fixedly connected to the upper side and the lower side of the gear (11), the first rack (12) and the second rack (13) are respectively and fixedly connected with the first conducting rod (8) and the second conducting rod (9), and a synchronous belt transmission mechanism (14) is arranged between the transmission shaft (10) and the transmission shaft (2).
2. A dual-break disconnector according to claim 1, characterized in that: a conductive piece (15) is fixedly arranged on the inner wall of the isolation cylinder (7), a first baffle (16) and a second baffle (17) are respectively arranged at two ends of the conductive piece (15), the gear (11) is positioned between the first baffle (16) and the second baffle (17), the wire comprises two conductive spring wires (18) which are respectively arranged between the first baffle plate (16) and the first conductive rod (8) and between the second baffle plate (17) and the second conductive rod (9).
3. A dual-break disconnector according to claim 1, characterized in that: the gear (11) is positioned inside the isolation cylinder (7), the synchronous belt transmission mechanism (14) is positioned outside the isolation cylinder (7), and the transmission shaft (10) and the gear (11) are made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321788356.7U CN220138192U (en) | 2023-07-07 | 2023-07-07 | Double-break isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321788356.7U CN220138192U (en) | 2023-07-07 | 2023-07-07 | Double-break isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138192U true CN220138192U (en) | 2023-12-05 |
Family
ID=88964125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321788356.7U Active CN220138192U (en) | 2023-07-07 | 2023-07-07 | Double-break isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138192U (en) |
-
2023
- 2023-07-07 CN CN202321788356.7U patent/CN220138192U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |