CN203966887U - A kind of cabinet type circuit breaker for switchboard switch protection lock - Google Patents
A kind of cabinet type circuit breaker for switchboard switch protection lock Download PDFInfo
- Publication number
- CN203966887U CN203966887U CN201420405708.0U CN201420405708U CN203966887U CN 203966887 U CN203966887 U CN 203966887U CN 201420405708 U CN201420405708 U CN 201420405708U CN 203966887 U CN203966887 U CN 203966887U
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- China
- Prior art keywords
- rotation
- ejector pin
- plate
- lock
- fixedly connected
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of cabinet type circuit breaker for switchboard switch protection lock, comprise extension rod, to expense, rotation ejector pin, switch knob, protection lock, on described extension rod, be provided with square pole, sinking cotter way; Be provided with half round platform, embedded groove, pin plate, square ejector pin groove described on to expense; On described rotation ejector pin, be provided with rotation round bar, ejector pin, arm of force plate, cylinder slide bar; On described switch knob, be provided with handle frame, spring-compressed storehouse, Compress Spring, mobile push rod, fixture block, pressing plate, rotation location hole, plate shifting chute; On described protection lock, be provided with connecting rod, rotating hole, shifting chute, locking bar, rotation lock.The utility model assembling structure is simple, by two states of switch of distribution board cabinet door lock, regulates the locking of circuit breaker electric source switch, avoids the potential safety hazard that power transmission may cause in the situation that not closing cabinet door workman, guarantees safety.
Description
Technical field
The utility model relates to a kind of cabinet type circuit breaker for switchboard switch protection lock, is a kind of locking device with safety protection function specifically.
Background technology
The power transmission mains switch of cabinet type distribution board is arranged on the outside of cabinet door, in device start, the operation of safety standard is that cabinet door is first paid close attention to pinning, then start power supply, but some places are for handled easily or heat radiation, cabinet door can be opened always, there is potential safety hazard in this method, in order to ensure the safety standard of operation, just need a kind of effective lock assembly for distributing panel to carry out compulsory the closing of cabinet door of guaranteeing, make cannot realize power transmission operation when cabinet door is not locked, avoid the generation of hidden danger.
Utility model content
The purpose of this utility model is the deficiency existing for prior art, and a kind of cabinet type circuit breaker for switchboard switch protection lock is provided.
To achieve the above object, the method that the utility model adopts is: a kind of cabinet type circuit breaker for switchboard switch protection lock, comprise extension rod, to expense, rotation ejector pin, switch knob, protection lock, and on described extension rod, be provided with square pole, sinking cotter way, be provided with half round platform, embedded groove, pin plate, square ejector pin groove described on to expense, on described rotation ejector pin, be provided with rotation round bar, ejector pin, arm of force plate, cylinder slide bar, on described switch knob, be provided with handle frame, spring-compressed storehouse, Compress Spring, mobile push rod, fixture block, pressing plate, rotation location hole, plate shifting chute, on described protection lock, be provided with connecting rod, rotating hole, shifting chute, locking bar, rotation lock, one end of described square pole is provided with sinking cotter way, the other end is connected with the circuit breaker on distribution board, the circular platform in lower end of half described round platform is provided with embedded groove, the square platform of upper end is provided with square ejector pin groove, upper and lower groove communicates, described pin plate is fixedly connected with the inner ring surface of embedded groove, one end of described rotation round bar is fixedly connected with ejector pin, stage casing is fixedly connected with one end of arm of force plate, described cylinder slide bar is fixedly connected with the other end of arm of force plate, described spring-compressed position in storehouse is in the lower end of handle frame round end, described Compress Spring is placed in spring-compressed storehouse, one end of described mobile push rod is fixedly connected with fixture block, the other end is fixedly connected with pressing plate, rotation location hole is positioned at handle frame round end center, described plate shifting chute is positioned on handle frame outer ring surface, one end of described connecting rod is rotating hole, be rotatably connected with one end of locking bar, the other end is shifting chute, be connected with cylinder slide bar, described rotation lock is fixedly connected with the other end of locking bar.
As preferably, described handle frame is insulating material.
As preferably, the length of described shifting chute is the arc length that cylinder slide bar moves.
Beneficial effect:
The utility model assembling structure is simple, by two states of switch of distribution board cabinet door lock, regulates the locking of circuit breaker electric source switch, avoids the potential safety hazard that power transmission may cause in the situation that not closing cabinet door workman, guarantees safety.
Brief description of the drawings
Fig. 1 the utility model device Facad structure schematic diagram;
Fig. 2 the utility model device side structure schematic diagram;
Fig. 3 the utility model device extension rod structural representation;
Fig. 4 the utility model device is split latch structure schematic top plan view;
Fig. 5 the utility model device rotation ejector pin structural representation;
Fig. 6 the utility model device switch knob structural representation;
Fig. 7 the utility model device bar linkage structure schematic diagram;
Wherein, 1-extension rod, 2-move push rod, 45-fixture block, 46-pressing plate, 47-rotation location hole, 48-plate shifting chute, 51-connecting rod, 52-rotating hole, 53-shifting chute, 54-locking bar, 55-rotation lock to expense, 3-rotation ejector pin, 4-switch knob, 5-protection lock, 11-square pole, 12-sinking cotter way, 21-half round platform, 22-embedded groove, 23-pin plate, the square ejector pin groove of 24-, 31-rotation round bar, 32-ejector pin, 33-arm of force plate, 34-cylinder slide bar, 41-handle frame, 42-spring-compressed storehouse, 43-Compress Spring, 44-.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, the present embodiment is implemented under taking technical solutions of the utility model as prerequisite, should understand these embodiment and only be not used in restriction scope of the present utility model for the utility model is described.
If Fig. 1 is to as shown in Fig. 7, a kind of cabinet type circuit breaker for switchboard switch protection lock, comprises extension rod 1, to expense 2, rotation ejector pin 3, switch knob 4, protection lock 5, is provided with square pole 11, sinking cotter way 12 on described extension rod 1; Be provided with half round platform 21, embedded groove 22, pin plate 23, square ejector pin groove 24 described on to expense 2; On described rotation ejector pin 3, be provided with rotation round bar 31, ejector pin 32, arm of force plate 33, cylinder slide bar 34; On described switch knob 4, be provided with handle frame 41, spring-compressed storehouse 42, Compress Spring 43, mobile push rod 44, fixture block 45, pressing plate 46, rotation location hole 47, plate shifting chute 48; On described protection lock 5, be provided with connecting rod 51, rotating hole 52, shifting chute 53, locking bar 54, rotation lock 55.
One end of square pole 11 is provided with sinking cotter way 12, the other end is connected with the circuit breaker on distribution board, lower end after half round platform 21 merges is circular platform, upper end is square platform, is provided with embedded groove 22 in circular platform, is provided with square ejector pin groove 24 in the square platform of upper end, upper and lower groove communicates, pin plate 23 is fixedly connected with the inner ring surface of embedded groove 22, is mainly used to pull square pole 11, Switching Power Supply.
One end of rotation round bar 31 is fixedly connected with ejector pin 32, stage casing is fixedly connected with one end of arm of force plate 33, ejector pin 32 symmetric equal-lengths are set, first contact-making surface is provided with chamfering, be convenient to rotation, cylinder slide bar 34 is fixedly connected with the other end of arm of force plate 33, and spring-compressed storehouse 42 is positioned at the lower end of handle frame 41 round ends, Compress Spring 43 is placed in spring-compressed storehouse 42, and spring-compressed power can make half round platform 21 separately again revert to entirety.
One end of mobile push rod 44 is fixedly connected with fixture block 45, fixture block 45 withstands on the both sides of half round platform 21 upper end square platforms, the other end is fixedly connected with pressing plate 46, be placed in spring-compressed storehouse 42, transmission power is to spring, rotation location hole 47 is positioned at handle frame 41 round end centers, for the upper end of fixing rotation round bar 31, plate shifting chute 49 is positioned on handle frame 41 outer ring surfaces, one end of connecting rod 51 is rotating hole 52, be rotatably connected with one end of locking bar 54, the other end is shifting chute 53, be connected with cylinder slide bar 34, rotation lock 55 is fixedly connected with the other end of locking bar 54, rotation lock 55 is by the device in drive link control handle frame 41, when not closed, cabinet door cannot start power supply.
When rotation lock 55 is opened; be that locking bar 54 is vertical time; connecting rod 51 drives arm of force plate 33 to rotate; ejector pin 32 forwards level to half round platform 21 of the right and left is strutted; spring-compressed, the pin plate 23 that is positioned at sinking cotter way 12 separates gradually, until separate with trough rim; now handle just cannot carry out backspin power-on, plays the effect of protection.
When rotation lock 55 is closed, be that locking bar 54 becomes after level, arm of force plate 33 rotates to vertical state, symmetrical ejector pin 32 synchronous rotaries are to vertical, and Compress Spring 43 recovers, and pressing plate 46 is made laterally, half round platform 21 reconsolidates, pin plate 23 agrees with and enters sinking cotter way 12, now just can carry out beginning switch, starts power supply.
Claims (2)
1. a cabinet type circuit breaker for switchboard switch protection lock, it is characterized in that: comprise extension rod (1), to expense (2), rotation ejector pin (3), switch knob (4), protection lock (5), on described extension rod (1), be provided with square pole (11), sinking cotter way (12), be provided with half round platform (21), embedded groove (22), pin plate (23), square ejector pin groove (24) described on to expense (2), on described rotation ejector pin (3), be provided with rotation round bar (31), ejector pin (32), arm of force plate (33), cylinder slide bar (34), on described switch knob (4), be provided with handle frame (41), spring-compressed storehouse (42), Compress Spring (43), mobile push rod (44), fixture block (45), pressing plate (46), rotation location hole (47), plate shifting chute (48), on described protection lock (5), be provided with connecting rod (51), rotating hole (52), shifting chute (53), locking bar (54), rotation lock (55), one end of described square pole (11) is provided with sinking cotter way (12), the other end is connected with the circuit breaker on distribution board, the circular platform in lower end of described half round platform (21) is provided with embedded groove (22), the square platform of upper end is provided with square ejector pin groove (24), upper and lower groove communicates, described pin plate (23) is fixedly connected with the inner ring surface of embedded groove (22), one end of described rotation round bar (31) is fixedly connected with ejector pin (32), stage casing is fixedly connected with the one end of arm of force plate (33), described cylinder slide bar (34) is fixedly connected with the other end of arm of force plate (33), described spring-compressed storehouse (42) is positioned at the lower end of handle frame (41) round end, described Compress Spring (43) is placed in spring-compressed storehouse (42), one end of described mobile push rod (44) is fixedly connected with fixture block (45), the other end is fixedly connected with pressing plate (46), rotation location hole (47) is positioned at handle frame (41) round end center, described plate shifting chute (48) is positioned on handle frame (41) outer ring surface, one end of described connecting rod (51) is rotating hole (52), and one end of locking bar (54) is rotatably connected, the other end is shifting chute (53), be connected with cylinder slide bar (34), described rotation lock (55) is fixedly connected with the other end of locking bar (54).
2. the cabinet type circuit breaker for switchboard switch protection lock of one according to claim 1, is characterized in that: the length of described shifting chute (53) is the mobile arc length of cylinder slide bar (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405708.0U CN203966887U (en) | 2014-07-23 | 2014-07-23 | A kind of cabinet type circuit breaker for switchboard switch protection lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405708.0U CN203966887U (en) | 2014-07-23 | 2014-07-23 | A kind of cabinet type circuit breaker for switchboard switch protection lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203966887U true CN203966887U (en) | 2014-11-26 |
Family
ID=51927440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420405708.0U Expired - Fee Related CN203966887U (en) | 2014-07-23 | 2014-07-23 | A kind of cabinet type circuit breaker for switchboard switch protection lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203966887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504116A (en) * | 2019-08-28 | 2019-11-26 | 广东电网有限责任公司 | A kind of anti-misoperation electric operation machine |
-
2014
- 2014-07-23 CN CN201420405708.0U patent/CN203966887U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504116A (en) * | 2019-08-28 | 2019-11-26 | 广东电网有限责任公司 | A kind of anti-misoperation electric operation machine |
| CN110504116B (en) * | 2019-08-28 | 2020-07-07 | 广东电网有限责任公司 | Misoperation prevention electric operating machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20150723 |
|
| EXPY | Termination of patent right or utility model |