CN204155797U - A kind of locking device of electric switch - Google Patents
A kind of locking device of electric switch Download PDFInfo
- Publication number
- CN204155797U CN204155797U CN201420650781.4U CN201420650781U CN204155797U CN 204155797 U CN204155797 U CN 204155797U CN 201420650781 U CN201420650781 U CN 201420650781U CN 204155797 U CN204155797 U CN 204155797U
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- China
- Prior art keywords
- dead bolt
- locking device
- block
- slide bar
- wedge
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
A locking device for electric switch, comprises trigger unit and lock part; Described trigger unit comprises slide bar and is located at the dead bolt at slide bar two ends and dynamic block respectively, and the quiet block corresponding with described dynamic block, and described dynamic block and quiet block form a wedge-shaped slot in joint; Also comprise moving contact and fixed contact, and Compress Spring; Described lock part comprises lock core, dead bolt and connects the connecting rod of lock core and dead bolt, described lock core is provided with keyhole, described dead bolt is perpendicular to described slide bar, and its one end connects connecting rod, and the other end is set to wedge shape and this wedge-shaped head corresponds to the wedge-shaped slot formed after described dynamic block engages with quiet block.The locking device of electric switch of the present utility model, when overcoming that in existing technology, electric equipment carries out extending capacity reformation, because newly-increased switchtype and original switchtype inconsistent and the problem of locking device cannot be set, reduce the difficulty of electric wiring capacity-increasing transformation, save the cost of transformation.
Description
Technical field
The utility model relates to a kind of locking device of electric switch.
Background technology
In the connection of electric wiring, when power load be increased to an original transformer capacity not enough time, generally need a newly-increased transformer to come into operation side by side.When capacity-increasing transformation, generally can increase the locking device that a set of two inlet wires one get in touch with distribution system, make when two parallel operation of transformers, two service entrance switchs close a floodgate, interconnection switch separating brake and do not allow close a floodgate; When a transformer is out of service wherein, another service entrance switch and interconnection switch close a floodgate, this transformer service entrance switch separating brake and do not allow to close a floodgate.At present, in transformation often because newly-increased switch (as circuit breaker) type and original switchtype (as knife switch) inconsistent and locking device cannot be set, or change original switch and configure the locking device unified with newly-increased switch, thus add improvement cost.
Summary of the invention
For when in existing technology, electric equipment carries out extending capacity reformation, because newly-increased switch (as circuit breaker) type and original switchtype (as knife switch) inconsistent and locking device cannot be set, or change original switch and configure the locking device unified with newly-increased switch, add the deficiency of improvement cost, the utility model provides a kind of locking device of electric switch.
For solving the problem, the utility model have employed following technical proposals:
A locking device for electric switch, comprises trigger unit and lock part; Described trigger unit comprises the slide bar be located in guide pin bushing, and is located at the dead bolt at slide bar two ends and dynamic block respectively, also comprises and is located at moving contact between described dead bolt and described guide pin bushing and fixed contact; And the Compress Spring be located between described guide pin bushing and dynamic block; Also comprise and being fixed on sidewall and the quiet block corresponding with described dynamic block, described dynamic block and quiet block are respectively equipped with an inclined-plane in the end of joint, form a wedge-shaped slot after engaging; Described lock part comprises lock core, dead bolt and connects the connecting rod of lock core and dead bolt, described lock core is provided with keyhole, described dead bolt is arranged perpendicular to described slide bar, its one end connects connecting rod, and the other end is set to wedge shape and this wedge-shaped head corresponds to the wedge-shaped slot formed after described dynamic block engages with quiet block.
Further, the slewing area of described lock core is quadrant, makes lock core both stuck situation can not occur because the anglec of rotation is excessive, can ensure that again the length that dead bolt stretches out is enough to insert between dynamic block and quiet block.
Further, described moving contact is be fixed on the sheet metal on described slide bar, and described fixed contact is be fixed on described slide bar both sides and the metal contact corresponding with described moving contact.
Especially, described moving contact and fixed contact are all set to three.
The locking device of electric switch of the present utility model, by the rotation drivening rod of lock core, and then drives dead bolt stretch out or retract; When dead bolt stretches out, the wedge-shaped part of dead bolt end inserts dynamic between block and quiet block, and then the dynamic block-slide bar-dead bolt of promotion stretches out forward along slide bar axis direction, dead bolt is inserted in the latch groove on inductive switch (as knife switch), now this switch is locked, and cannot close; When dead bolt is retracted, the equal counter motion of above-mentioned parts, make dead bolt exit latch groove, now switch can normally closed.Further, the setting of described moving contact and fixed contact, both can external corresponding electric switch (as circuit breaker), also can external indicator light for showing the operating state of locking device, thus when overcoming that in existing technology, electric equipment carries out extending capacity reformation, because newly-increased switch (as circuit breaker) type is inconsistent and cannot arrange the problem of locking device with original switchtype (as knife switch), reduces the difficulty of electric wiring capacity-increasing transformation, saved the cost transformed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the locking device of a kind of electric switch of the utility model;
Fig. 2 is a using state schematic diagram of embodiment in Fig. 1;
Fig. 3 is another using state schematic diagram of embodiment in Fig. 1;
Description of reference numerals: 1-lock core, 1-1-keyhole, 2-connecting rod, 3-dead bolt, the quiet block of 4-, 5-moves block, 6-spring, 7-guide pin bushing, 8-moving contact, 9-fixed contact, 10-dead bolt, 11-slide bar; 12-switch movable contact rotating parts, 12-1 – latch groove, 13-switch movable contact, 14-switch static contact.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
See accompanying drawing.
The locking device of the electric switch in the present embodiment, comprises the slide bar 11 of trigger unit, and this slide bar 11 is located in smooth guide pin bushing 7, and these slide bar two ends are respectively equipped with dead bolt 10 and dynamic block 5; Moving contact 8 and fixed contact 9 is provided with between dead bolt 10 and guide pin bushing 7, further, in the present embodiment, moving contact 8 is for being fixed on the sheet metal on slide bar 11, fixed contact 9 is for being fixed on slide bar 11 both sides and the metal contact corresponding with moving contact 8, especially, described moving contact and fixed contact are all set to three.Further, between guide pin bushing 7 and dynamic block 5, Compress Spring 6 is provided with; Along on the sidewall of slide bar 11 axis direction, be provided with the quiet block 4 corresponding with dynamic block 5, and dynamic block 5 and quiet block 4 are respectively equipped with an inclined-plane in the end of joint, form a wedge-shaped slot after engaging.
The locking device of the electric switch in the present embodiment, also comprises lock part.Lock part comprises lock core 1, dead bolt 3 and connects lock core 1 and the connecting rod 2 of dead bolt 3, especially, lock core 1 is provided with keyhole 1-1.Further, dead bolt 3 is arranged perpendicular to slide bar 11, and its one end connects connecting rod 2, and the other end is set to wedge shape and this wedge-shaped head corresponds to dynamic block 5 engages rear formation wedge-shaped slot with quiet block 4.
Especially, the locking device of the electric switch in the present embodiment, the slewing area of lock core 1 is quadrant, makes lock core 1 both stuck situation can not occur because the anglec of rotation is excessive, can ensure that again the length that dead bolt 3 stretches out is enough to insert between dynamic block 5 and quiet block 4.
The locking device of electric switch of the present utility model, by the rotation drivening rod 2 of lock core 1, and then drives dead bolt 3 stretch out or retract; When dead bolt 3 stretches out, the wedge-shaped part of its end inserts dynamic between block 5 and quiet block 4, and then the dynamic block 5-slide bar 11-dead bolt 10 of promotion stretches out forward along slide bar 11 axis direction, dead bolt 10 is made to insert in the upper corresponding latch groove 12-1 of switch (as knife switch), switch movable contact rotating parts 12 now on this switch is locked, thus switch movable contact 13 is fixed, switch cannot close; When dead bolt 3 is retracted, the equal counter motion of above-mentioned parts, make dead bolt 10 exit latch groove 12-1, now switch movable contact 13 falls in switch static contact 14, switch normally closed.
Further, the locking device of electric switch of the present utility model, its moving contact 8 and fixed contact 9 can external circuit breakers.When dead bolt 3 insertion is moved between block 5 and quiet block 4, see Fig. 3, separately, corresponding circuit breaker can close for moving contact 8 and fixed contact 9; When dead bolt 3 exits between dynamic block 5 and quiet block 4, see Fig. 2, moving contact 8 and fixed contact 9 close, and form short circuit, and corresponding relay is disconnected; Thus cooperation dead bolt, complete the Synchronization Control to dissimilar switch respectively.
Especially, the locking device of electric switch of the present utility model, its moving contact 8 and fixed contact 9 can also external indicator light for showing the operating state of locking device.
The locking device of electric switch of the present utility model, when overcoming that in existing technology, electric equipment carries out extending capacity reformation, because newly-increased switch (as circuit breaker) type and original switchtype (as knife switch) inconsistent and the problem of locking device cannot be set, can be widely used in two incoming line cabinets one gets in touch with in the electric power system of cabinet, reduce the difficulty of electric wiring capacity-increasing transformation, save the cost of transformation.
In a word; 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 locking device for electric switch, is characterized in that: comprise trigger unit and lock part; Described trigger unit comprises the slide bar be located in guide pin bushing, and is located at the dead bolt at slide bar two ends and dynamic block respectively, also comprises and is located at moving contact between described dead bolt and described guide pin bushing and fixed contact; And the Compress Spring be located between described guide pin bushing and dynamic block; Also comprise and being fixed on sidewall and the quiet block corresponding with described dynamic block, described dynamic block and quiet block are respectively equipped with an inclined-plane in the end of joint, form a wedge-shaped slot after engaging; Described lock part comprises lock core, dead bolt and connects the connecting rod of lock core and dead bolt, described lock core is provided with keyhole, described dead bolt is arranged perpendicular to described slide bar, its one end connects connecting rod, and the other end is set to wedge shape and this wedge-shaped head corresponds to the wedge-shaped slot formed after described dynamic block engages with quiet block.
2. the locking device of electric switch as claimed in claim 1, is characterized in that: the slewing area of described lock core is quadrant.
3. the locking device of electric switch as claimed in claim 1, it is characterized in that: described moving contact is be fixed on the sheet metal on described slide bar, described fixed contact is be fixed on described slide bar both sides and the metal contact corresponding with described moving contact.
4. the locking device of electric switch as claimed in claim 3, is characterized in that: described moving contact and fixed contact are all set to three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650781.4U CN204155797U (en) | 2014-11-04 | 2014-11-04 | A kind of locking device of electric switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420650781.4U CN204155797U (en) | 2014-11-04 | 2014-11-04 | A kind of locking device of electric switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204155797U true CN204155797U (en) | 2015-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420650781.4U Active CN204155797U (en) | 2014-11-04 | 2014-11-04 | A kind of locking device of electric switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204155797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110298939A (en) * | 2018-03-22 | 2019-10-01 | 施耐德电器工业公司 | It locks the method for the function of electrical equipment and implements the electrical equipment of this method |
-
2014
- 2014-11-04 CN CN201420650781.4U patent/CN204155797U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110298939A (en) * | 2018-03-22 | 2019-10-01 | 施耐德电器工业公司 | It locks the method for the function of electrical equipment and implements the electrical equipment of this method |
| CN110298939B (en) * | 2018-03-22 | 2023-03-10 | 施耐德电器工业公司 | Method for locking the function of an electrical device and electrical device for implementing said method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |