CN204156384U - A kind of pull switchgear interlock - Google Patents
A kind of pull switchgear interlock Download PDFInfo
- Publication number
- CN204156384U CN204156384U CN201420625599.3U CN201420625599U CN204156384U CN 204156384 U CN204156384 U CN 204156384U CN 201420625599 U CN201420625599 U CN 201420625599U CN 204156384 U CN204156384 U CN 204156384U
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- CN
- China
- Prior art keywords
- pull
- panel
- pull switch
- operating axis
- interlock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a kind of pull switchgear interlock, comprise the pull switch be arranged in drawer type in cabinet, the panel of described pull switch is provided with drawer handle, dust panel and cabinet skeleton is provided with below described pull switch, dust panel described in described cabinet skeletal support, described pull switch is arranged on described dust panel, the top of described drawer handle is provided with the operating axis running through described panel, the end that described operating axis is positioned at described panels outside is connected with operating grip, described operating axis is positioned at the other end attended operation mechanism of described pull switch, fan-shaped interlock plate is connected with in the middle part of described operating axis, described interlock plate is provided with arc chute, blocking lever is flexibly connected in described arc chute, described dust panel is provided with the lockhole corresponding with described blocking lever.Ensure that effective operation of apparatus and effectively prevent the generation of shock hazard.
Description
Technical field
The utility model belongs to electric switch equipment field, particularly relates to the safety device of drawing and pulling type switch.
Background technology
Low voltage draw-out switchgear (hereinafter referred to as switchgear) in working order time, cannot open and carry out upkeep operation, the accident of power-off is caused to happen occasionally because of misoperation pull-out drawer, the mode solving this type of technical problem normally adopts bright lock to pin drawer, but it is cumbersome again when needs are opened to pin drawer, be exactly usually all need to cut off the electricity supply in advance in draw process in addition, and then pull drawer, safeguard if operating personnel's misoperation is easy to pull the drawer out when not cutting off the electricity supply thus click accident occurs.
Utility model content
The purpose of this utility model is to provide a kind of pull switchgear interlock, is intended to solve pull incorrect switching in prior art and causes the problem of power-off.
The utility model realizes like this, a kind of pull switchgear interlock, comprise the pull switch be arranged in drawer type in cabinet, the panel of described pull switch is provided with drawer handle, dust panel and cabinet skeleton is provided with below described pull switch, dust panel described in described cabinet skeletal support, described pull switch is arranged on described dust panel, the top of described drawer handle is provided with the operating axis running through described panel, the end that described operating axis is positioned at described panels outside is connected with operating grip, described operating axis is positioned at the other end attended operation mechanism of described pull switch, fan-shaped interlock plate is connected with in the middle part of described operating axis, described interlock plate is provided with arc chute, blocking lever is flexibly connected in described arc chute, described dust panel is provided with the lockhole corresponding with described blocking lever.
Preferably, described operating mechanism is positioned at and moulds shell switch.
Preferably, below described pull switch, be provided with the fairlead that can play the guiding role to described blocking lever, and interlocking device's mounting panel, described fairlead is arranged on described interlocking device mounting panel, and uses clamp nut fastening to described fairlead in below.
Preferably, described interlock plate is provided with a pin, and described pin is connected with described blocking lever through after described arc chute.
Use technique scheme, pull switchgear interlock provided by the utility model drives described operating mechanism to carry out the cut-out operation of power supply by operating personnel's rotating operating handle, meanwhile described operating axis drives described interlock plate also to rotate in rotary course, and the rotation that the latch lever be flexibly connected with the chute of described interlock plate is subject to described interlock plate is mentioned and is left described lockhole, operating personnel recycle drawer handle pull-out pull switch and carry out operation, operation is complete push back described pull switch after, operating grip described in opposite spin again, while described operating mechanism connects power supply, described blocking lever presses down by the compressing of described interlock plate and blocks described pull switch in the described lockhole of insertion and prevent from surprisingly being pulled out, ensure that effective operation of apparatus and effectively prevent the generation of shock hazard.
Accompanying drawing explanation
Fig. 1 is the product front view that the utility model provides;
Fig. 2 is the product front fragmentary, perspective view that the utility model provides;
Fig. 3 is the enlarged drawing in Fig. 2 A portion that the utility model provides;
Fig. 4 is the product side schematic view that the utility model provides;
Fig. 5 is the enlarged drawing in Fig. 4 B portion that the utility model provides.
Number in the figure: 1 operating axis, 2 interlock plates, 3 blocking levers, 4 fairleads, 5 clamp nuts, 6 mould shell switch, 7 operating mechanisms, 8 pins, 9 operating grips, 10 interlocking device's mounting panels, 11 drawer handles, 12 dust panels, 13 skeletons, 14 chutes, 20 pull switches, 21 panels.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Shown in 5, the utility model embodiment realizes like this, a kind of pull switchgear interlock, comprise the pull switch 20 be arranged in drawer type in cabinet, the panel 21 of described pull switch 20 is provided with drawer handle 11, dust panel 12 and cabinet skeleton 13 is provided with below described pull switch 20, described cabinet skeleton 13 supports described dust panel 12, described pull switch 20 is arranged on described dust panel 12, the top of described drawer handle 11 is provided with the operating axis 1 running through described panel 21, the end that described operating axis 1 is positioned at outside described panel 21 is connected with operating grip 9, described operating axis 1 is positioned at the other end attended operation mechanism 7 of described pull switch 20, fan-shaped interlock plate 2 is connected with in the middle part of described operating axis 1, described interlock plate 2 is provided with arc chute 14, blocking lever 3 is flexibly connected in described arc chute 14, described dust panel 12 is provided with the lockhole (not shown) corresponding with described blocking lever 3, described operating mechanism 7 is positioned at moulds shell switch 6, the fairlead 4 that can play the guiding role to described blocking lever 3 is provided with below described pull switch 20, and interlocking device's mounting panel 10, described fairlead 4 is arranged on described interlocking device mounting panel 10, and use clamp nut 5 fastening to described fairlead 4 in below, described interlock plate 2 is provided with a pin 8, described pin 8 is connected with described blocking lever 3 through after described arc chute 14.Use technique scheme, pull switchgear interlock provided by the utility model drives described operating mechanism 7 to carry out the cut-out operation of power supply by operating personnel's rotating operating handle 9, meanwhile described operating axis 1 drives described interlock plate 2 also to rotate in rotary course, and the rotation that the latch lever 3 be flexibly connected with the chute 14 of described interlock plate 2 is subject to described interlock plate 2 is mentioned and is left described lockhole, operating personnel recycle drawer handle 11 and pull out pull switch 20 and carry out operation, operation is complete push back described pull switch 20 after, operating grip 9 described in opposite spin again, while described operating mechanism 7 connects power supply, described blocking lever 3 presses down to insert by the compressing of described interlock plate 2 and blocks described pull switch 20 in described lockhole and prevent from surprisingly being pulled out, ensure that effective operation of apparatus and effectively prevent the generation of shock hazard.
Particularly, one end of operating axis 1 is connected with operating grip 9, its other end is connected with operating mechanism 7, and operating mechanism 7 is fixed on to be moulded on shell switch 6, rotarily drives the rotation of operating axis 1 and to be reached point by operating mechanism 7, close the object of moulding shell switch 6 by operating grip 9.Interlock plate 2 is fixed on operating axis 1 by the square hole of self, the upper end of blocking lever 3 is connected with interlock plate 2 by pin 8, and pin 8 can move freely in the arc chute 14 of interlock plate 2, its lower end is then inserted through in the fairlead 4 that clamp nut 5 is fixed on interlocking device's mounting panel 10, and can movement freely up and down, and can insert in the lockhole of dust panel 12, dust panel 12 is fixed on skeleton 13, fixes and can not move.When switchgear needs work, catch drawer handle 11 that drawer is pushed into service position with hand, clockwise direction rotating operating handle 9 turn 90 degrees " conjunction " position again, operating axis 1 rotates along with operating grip 9 and is with pneumatic operating mechanism 7 activity to make to mould shell switch 6 " combined floodgate ", be fixed on interlock plate 2 on operating axis 1 also along with operating axis 1 clockwise direction 90-degree rotation, and drive blocking lever 3 to move down in fairlead 4 by pin 8, the lower end of blocking lever 3 is made to insert in the fixing hole of dust panel 12, pin drawer, drawer can not be drawn out, ensure the power supply of normal continuous.Otherwise, when switchgear needs power-off, counterclockwise rotating operating handle 9 turn 90 degrees " dividing " position, operating axis 1 rotates along with operating grip 9 and is with pneumatic operating mechanism 7 activity to make to mould shell switch 6 " separating brake ", be fixed on interlock plate 2 on operating axis 1 also along with operating axis 1 counterclockwise 90-degree rotation, and drive blocking lever 3 to move up in fairlead 4 by pin 8, the lower end of blocking lever 3 is extracted in the fixing hole of dust panel 12, drawer is unlocked, and now drawer can be drawn out.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. a pull switchgear interlock, comprise the pull switch be arranged in drawer type in cabinet, the panel of described pull switch is provided with drawer handle, dust panel and cabinet skeleton is provided with below described pull switch, dust panel described in described cabinet skeletal support, described pull switch is arranged on described dust panel, it is characterized in that, the top of described drawer handle is provided with the operating axis running through described panel, the end that described operating axis is positioned at described panels outside is connected with operating grip, described operating axis is positioned at the other end attended operation mechanism of described pull switch, fan-shaped interlock plate is connected with in the middle part of described operating axis, described interlock plate is provided with arc chute, blocking lever is flexibly connected in described arc chute, described dust panel is provided with the lockhole corresponding with described blocking lever.
2. pull switchgear interlock as claimed in claim 1, it is characterized in that, described operating mechanism is positioned at moulds shell switch.
3. pull switchgear interlock as claimed in claim 1, it is characterized in that, the fairlead that can play the guiding role to described blocking lever is provided with below described pull switch, and interlocking device's mounting panel, described fairlead is arranged on described interlocking device mounting panel, and uses clamp nut fastening to described fairlead in below.
4. pull switchgear interlock as claimed in claim 1, it is characterized in that, described interlock plate is provided with a pin, and described pin is connected with described blocking lever through after described arc chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625599.3U CN204156384U (en) | 2014-10-27 | 2014-10-27 | A kind of pull switchgear interlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420625599.3U CN204156384U (en) | 2014-10-27 | 2014-10-27 | A kind of pull switchgear interlock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204156384U true CN204156384U (en) | 2015-02-11 |
Family
ID=52514473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420625599.3U Expired - Fee Related CN204156384U (en) | 2014-10-27 | 2014-10-27 | A kind of pull switchgear interlock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204156384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970893A (en) * | 2020-07-30 | 2020-11-20 | 孙景玉 | Drawer type fan combination device for inverter |
-
2014
- 2014-10-27 CN CN201420625599.3U patent/CN204156384U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970893A (en) * | 2020-07-30 | 2020-11-20 | 孙景玉 | Drawer type fan combination device for inverter |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20161027 |