CN202549657U - Maloperation-preventing knife switch - Google Patents
Maloperation-preventing knife switch Download PDFInfo
- Publication number
- CN202549657U CN202549657U CN2012200996818U CN201220099681U CN202549657U CN 202549657 U CN202549657 U CN 202549657U CN 2012200996818 U CN2012200996818 U CN 2012200996818U CN 201220099681 U CN201220099681 U CN 201220099681U CN 202549657 U CN202549657 U CN 202549657U
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- lock pin
- lock
- voltage
- handle
- knife switch
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Abstract
The utility model relates to a maloperation-preventing knife switch and belongs to the technical field of low-voltage apparatus. The maloperation-preventing knife switch comprises a movable knife switch and a stationary knife switch seat. A movable knife switch seat is hinged on one end of the movable knife switch. A handle is disposed on the other end of the movable knife switch. The movable knife switch seat and the stationary knife switch seat are respectively fixed on an insulating base. The maloperation-preventing knife switch is characterized in that an undervoltage tripping device is installed on the insulating base. A locking mechanism is disposed between the undervoltage tripping device and the handle. Due to adoption of the undervoltage tripping device and the locking mechanism, when a superior switch is not turned off, an artificial switch-off operation can not be carried out so that an accident can be avoided and standard operations of an electrician can be ensured according to safety operation regulations for electricity sectors. The maloperation-preventing knife switch is simple in structure, convenient to use, safe and reliable.
Description
Technical field
The utility model relates to a kind of anti-misoperation disconnecting link switch, belongs to the low voltage electrical apparatus technology field.
Background technology
Power department safety regulation for operations regulation: can not charged branch, close the disconnecting link switch.And in real work, violation operation often appears, and when the upper level switch does not cut off the power supply, charged branch, close the disconnecting link switch, lead to personal injury and device damage.
The utility model content
The purpose of the utility model is to provide a kind of anti-misoperation disconnecting link switch, and it is simple in structure, prevents power outage and personal injury accident that the misoperation separating brake causes.
The described anti-misoperation disconnecting link of the utility model switch; Include the movable touch knife and the static contact seat of mutual correspondence; Movable touch knife one end is hinged on the movable contact tool rest, and the other end is provided with handle, and movable contact tool rest and static contact seat are separately fixed on the insulating base; It is characterized in that being equipped with on the insulating base device for under-voltage releasing equipment, between device for under-voltage releasing equipment and handle, be provided with locking mechanism.
When the upper level switch did not send electricity, device for under-voltage releasing equipment does not have electricity did not work, and can carry out closing operation.During combined floodgate, drive movable touch knife and static contact seat closure with handle, send electricity with the upper level switch after, device for under-voltage releasing equipment gets electric, automatically locks handle through locking mechanism.If the upper level switch does not cut off the power supply, locking mechanism can be in the lock state always, so the electrician can not directly carry out separating brake through handle.During separating brake, have only earlier, make the device for under-voltage releasing equipment dead electricity, behind the locking mechanism automatic unlocking, can drive movable touch knife and static contact seat disconnection with handle with after the outage of upper level switch.Guaranteed that effectively the electrician uses the standard of Electrical Safety operational procedure, prevent that misoperation charged separating brake from causing with electrification and personal injury accident.
Device for under-voltage releasing equipment in the utility model is made up of no-voltage release shell, no-voltage trip coil, no-voltage release iron core, no-voltage release back-moving spring and no-voltage release spring stop; The no-voltage release iron core is installed in the no-voltage trip coil; The no-voltage trip coil periphery is provided with the no-voltage release shell; The no-voltage release shell is fixed on the insulating base; Fixing no-voltage release spring stop on the no-voltage release iron core; The no-voltage release spring stop is arranged on the no-voltage release outer casing underpart, between no-voltage release shell and no-voltage release spring stop, the no-voltage release back-moving spring is installed, and the no-voltage trip coil is connected with static contact seat through lead.It is simple in structure, and volume is little.
Wherein, Preferred locking mechanism comprises locking board, lock frame and lock pin; The no-voltage release iron core of corresponding device for under-voltage releasing equipment is used for the lockhole that lock pin installs at locking board with locking to be respectively arranged with on the frame, and lock pin is installed in the lockhole of lock frame, and locking board is fixed on the handle; The lock frame is fixed on the insulating base, and corresponding lock pin is provided with the lock pin resetting device.
The lock pin resetting device comprises lock pin spring back-up ring and lock pin back-moving spring, and the lock pin spring back-up ring is fixed on the lock pin, and the lock pin back-moving spring is installed between lock pin spring back-up ring and the lock frame.
After the lock that closes sent electricity with the upper level switch, the no-voltage trip coil got electric, makes the no-voltage release iron core overcome lock pin back-moving spring promotion lock pin locking board and lock frame are installed on together, thereby handle is locked; Before the separating brake, after the outage of upper level switch, the no-voltage trip coil losing electricity, the no-voltage release iron core loses motive force, under the effect of lock pin back-moving spring, has cancelled lock pin to the install effect of locking board with the lock frame, handle release.
Wherein, preferably locking frame is the U-shaped structure.
Wherein locking mechanism can also comprise locking board, lock frame and lock pin; Lock pin is connected on the no-voltage release iron core of device for under-voltage releasing equipment; Be used for the lockhole that lock pin installs at locking board with locking to be respectively arranged with on the frame; Lock pin is installed in the lockhole of lock frame, and locking board is fixed on the handle, and the lock frame is fixed on the insulating base.
The ground connection static contact seat also is installed on insulating base in the utility model.Improve the safe in utilization of the utility model.
Compared with prior art, the utlity model has following beneficial effect:
1, owing to adopted device for under-voltage releasing equipment and locking mechanism, before the upper level switch did not send electricity, device for under-voltage releasing equipment does not have electricity did not work, and lock pin does not install effect to locking board and lock frame, can carry out closing operation through handle; After the lock that closes sent electricity with the upper level switch, the no-voltage trip coil got the electrician and does, and lock pin will be installed on locking board and lock frame together, and handle is locked.Do not have at the upper level switch can not artificially carry out sub-switching operation under the situation of outage, play the effect that prevents hot line job, avoid accident to take place, guaranteed that the electrician uses the standard of power department safety regulation for operations through handle.
2, owing to adopted the lock pin resetting device, after the outage of upper level switch, the no-voltage release iron core of device for under-voltage releasing equipment loses motive force; Under the effect of lock pin back-moving spring, lock pin will be cancelled automatically locking board and lock frame are installed effect, and it is simple in structure; Easy to use, safe and reliable.
Description of drawings
Fig. 1, the utility model embodiment one structural representation;
Fig. 2, the utility model embodiment two structural representations;
Among the figure: 1, handle 2, locking board 3, lock pin 4, lock frame 5, insulating base 6, no-voltage trip coil 7, no-voltage release iron core 8, no-voltage release back-moving spring 9, no-voltage release spring stop 10, ground connection static contact seat 11, movable contact tool rest 12, movable touch knife 13, static contact seat 14, no-voltage release shell 15, lock pin spring back-up ring 16, lock pin back-moving spring.
Embodiment
Below in conjunction with the embodiment accompanying drawing the utility model is further specified.
Embodiment one
As shown in Figure 1, the described anti-misoperation disconnecting link of the utility model switch includes the movable touch knife 12 and static contact seat 13 of mutual correspondence; Movable touch knife 12 1 ends are hinged on the movable contact tool rest 11, and the other end is provided with handle 1, and movable contact tool rest 11 is separately fixed on the insulating base 5 with static contact seat 13; Ground connection static contact seat 10 and device for under-voltage releasing equipment are installed on insulating base 5; Device for under-voltage releasing equipment is made up of no-voltage release shell 14, no-voltage trip coil 6, no-voltage release iron core 7, no-voltage release back-moving spring 8 and no-voltage release spring stop 9, and no-voltage release iron core 7 is installed in the no-voltage trip coil 6, and no-voltage trip coil 6 peripheries are provided with no-voltage release shell 14; No-voltage release shell 14 is fixed on the insulating base 5; Fixing no-voltage release spring stop 9 on no-voltage release iron core 7, no-voltage release spring stop 9 is arranged on no-voltage release shell 14 bottoms, between no-voltage release shell 14 and no-voltage release spring stop 9, no-voltage release back-moving spring 8 is installed; No-voltage trip coil 6 is connected with static contact seat 13 through lead; Between device for under-voltage releasing equipment and handle 1, be provided with locking mechanism, locking mechanism comprises locking board 2, lock frame 4 and lock pin 3, and the lock frame is the U-shaped structure; The no-voltage release iron core 7 of corresponding device for under-voltage releasing equipment is used for the lockhole that lock pin 3 installs at locking board 2 with locking to be respectively arranged with on the frame 4; Lock pin 3 is installed in the lockhole of lock frame 4, and locking board 2 is fixed on the handle 1, and lock frame 4 is fixed on the insulating base 5; Corresponding lock pin 3 is provided with the lock pin resetting device; The lock pin resetting device comprises lock pin spring back-up ring 15 and lock pin back-moving spring 16, and lock pin spring back-up ring 15 is fixed on the lock pin 3, and lock pin back-moving spring 16 is installed between lock pin spring back-up ring 15 and the lock frame 4 side near handle 1.
When the upper level switch did not send electricity, device for under-voltage releasing equipment does not have electricity did not work, and 3 pairs of locking boards of lock pin 2 do not install effect with lock frame 4, can carry out closing operation through handle 1.During combined floodgate, drive movable touch knife 12 and static contact seat 13 closures with handle 1, send electricity with the upper level switch after, no-voltage trip coil 6 electric, make no-voltage release iron core 7 promote lock pins 3 locking board 2 and lock frame 4 be installed on together, thus with handle 1 locking.During separating brake, if the upper level switch does not cut off the power supply, locking mechanism can be in the lock state always; So the electrician can not directly carry out separating brake through handle 1, have only earlier with after the outage of upper level switch no-voltage trip coil 6 dead electricity; Under the effect of lock pin back-moving spring 16; Lock pin 3 has been cancelled the install effect of locking board 2 with lock frame 4, and handle 1 release can be carried out sub-switching operation.
Embodiment two, and is as shown in Figure 2, on the basis of embodiment one, will play locking mechanism and change; Comprise locking board 2, lock frame 4 and lock pin 3, lock pin 3 is connected on the no-voltage release iron core 7 of device for under-voltage releasing equipment, is used for the lockhole that lock pin 3 installs at locking board 2 with locking to be respectively arranged with on the frame 4; Lock pin 3 is installed in the lockhole of lock frame 4; Locking board 2 is fixed on the handle 1, and lock frame 4 is fixed on the insulating base 5, and other is the same.
When the upper level switch did not send electricity, device for under-voltage releasing equipment does not have electricity did not work, and 3 pairs of locking boards of lock pin 2 do not install effect with lock frame 4, can carry out closing operation through handle 1.During combined floodgate, drive movable touch knife 12 and static contact seat 13 closures with handle 1, send electricity with the upper level switch after, no-voltage trip coil 6 electric, make no-voltage release iron core 7 drive lock pins 3 locking board 2 and lock frame 4 be installed on together, thus with handle 1 locking.During separating brake, if the upper level switch does not cut off the power supply, locking mechanism can be in the lock state always; So the electrician can not directly carry out separating brake through handle 1, have only earlier with after the outage of upper level switch no-voltage trip coil 6 dead electricity; Under the effect of no-voltage release back-moving spring 8; Make no-voltage release iron core 7 drive lock pin 3 and cancelled the install effect of locking board 2 with lock frame 4, handle 1 release can be carried out sub-switching operation.
Claims (4)
1. anti-misoperation disconnecting link switch; Include the movable touch knife (12) and the static contact seat (13) of mutual correspondence; Movable touch knife (12) one ends are hinged on the movable contact tool rest (11), and the other end is provided with handle (1), and movable contact tool rest (11) and static contact seat (13) are separately fixed on the insulating base (5); It is characterized in that on the insulating base (5) device for under-voltage releasing equipment being installed, between device for under-voltage releasing equipment and handle (1), be provided with locking mechanism.
2. anti-misoperation disconnecting link switch according to claim 1; It is characterized in that locking mechanism comprises locking board (2), lock frame (4) and lock pin (3); The no-voltage release iron core (7) of corresponding device for under-voltage releasing equipment is respectively arranged with on locking board (2) and lock frame (4) and is used for the lockhole that lock pin (3) installs, and lock pin (3) is installed in the lockhole of lock frame (4), and locking board (2) is fixed on the handle (1); Lock frame (4) is fixed on the insulating base (5), and corresponding lock pin (3) is provided with the lock pin resetting device.
3. anti-misoperation disconnecting link switch according to claim 2; It is characterized in that the lock pin resetting device comprises lock pin spring back-up ring (15) and lock pin back-moving spring (16); Lock pin spring back-up ring (15) is fixed on the lock pin (3), and lock pin back-moving spring (16) is installed between lock pin spring back-up ring (15) and the lock frame (4).
4. anti-misoperation disconnecting link switch according to claim 1; It is characterized in that locking mechanism comprises locking board (2), lock frame (4) and lock pin (3); Lock pin (3) is connected on the no-voltage release iron core (7) of device for under-voltage releasing equipment, on locking board (2) and lock frame (4), is respectively arranged with to be used for the lockhole that lock pin (3) installs, and lock pin (3) is installed in the lockhole of lock frame (4); Locking board (2) is fixed on the handle (1), and lock frame (4) is fixed on the insulating base (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200996818U CN202549657U (en) | 2012-03-16 | 2012-03-16 | Maloperation-preventing knife switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200996818U CN202549657U (en) | 2012-03-16 | 2012-03-16 | Maloperation-preventing knife switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202549657U true CN202549657U (en) | 2012-11-21 |
Family
ID=47170248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200996818U Expired - Fee Related CN202549657U (en) | 2012-03-16 | 2012-03-16 | Maloperation-preventing knife switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202549657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629524A (en) * | 2012-03-16 | 2012-08-08 | 山东卓尔电气有限公司 | Anti-misoperation knife switch |
-
2012
- 2012-03-16 CN CN2012200996818U patent/CN202549657U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629524A (en) * | 2012-03-16 | 2012-08-08 | 山东卓尔电气有限公司 | Anti-misoperation knife switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20140316 |