CN2569386Y - Safety padlock device of drawing out type braker - Google Patents
Safety padlock device of drawing out type braker Download PDFInfo
- Publication number
- CN2569386Y CN2569386Y CN 02264482 CN02264482U CN2569386Y CN 2569386 Y CN2569386 Y CN 2569386Y CN 02264482 CN02264482 CN 02264482 CN 02264482 U CN02264482 U CN 02264482U CN 2569386 Y CN2569386 Y CN 2569386Y
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- CN
- China
- Prior art keywords
- padlock
- fixed cover
- plate
- jam plate
- unlocking knob
- 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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Abstract
The utility model relates to a safety padlock device of a draw-out circuit breaker, which comprises a fixed cover, a lock plate, a padlock piece, a padlock and an unlocking knob, wherein, the fixed cover is arranged on one side of a bottom plate of the circuit breaker; the lock plate can be arranged in the fixed cover in a sliding mode; a return spring is arranged on the lock plate; the padlock piece can be arranged in the fixed cover in a sliding mode and limited on the bottom plate after the padlock piece orderly passes through the lock plate and a padlock piece groove on the bottom plate; a return spring is arranged on the padlock piece; the padlock is locked on the padlock piece when the padlock piece is drawn out; the unblocking knob is arranged in the fixed cover in a sliding mode; a dial button on the unblocking knob is positioned in a dial button hole of the fixed cover; a block is extended on the unlocking knob; a limiting plate which can limit the block to make the lock plate lock the unlocking knob is extended on the lock plate. The utility model has the advantages of high safety and correct transmission of breaker position signals and can realize the double lock of a transmission screw rod and the unlocking knob.
Description
The utility model relates to a kind of safety hanging locking device of drawout breaker, particularly to the improvement of the safety hanging locking device of existing drawout breaker.
The safety hanging locking device of existing drawout breaker, it comprises fixed cover, jam plate, the padlock sheet, padlock, fixed cover is installed in a side of line switch board, jam plate is located in the fixed cover movably, return spring is installed on it, return spring makes jam plate be subjected to the right thrust all the time, the padlock sheet is located in the fixed cover slidably, return spring equally also is installed on it, return spring makes the padlock sheet be subjected to backward thrust all the time, the padlock sheet is passing fixed cover successively, rely on the step of its lower end spacing on base plate behind the slotted eye on jam plate and the base plate, and making boss in the groove alignment jam plate slotted eye of padlock sheet upper end, the scarf by boss and groove makes the jam plate can be left in fixed cover, move right.When circuit breaker was in handle on latched position and the drive lead screw and has taken out, by pulling out the padlock sheet forward, loading onto padlock in the padlock hole of padlock sheet can be with whole circuit breaker locking.Its process is when the padlock sheet is pulled out forward, the groove disengaging of padlock sheet upper end and cooperating of jam plate slotted eye inner convex platform, make the upper end of padlock sheet block the interior boss of jam plate slotted eye, thereby stoped moving to left of jam plate, jam plate is locked, simultaneously because jam plate handle hole on it when latched position is not aimed at the handle hole on the base plate, thereby make handle can't insert drive lead screw, guaranteed that circuit breaker can't do forward and backward moving after hanging locking device is installed in drawout chassis, thereby improved the security reliability after the circuit breaker locking.But this safety hanging locking device can only be realized the single locking to drive lead screw, and can not realize the locking to unlocking knob.That is to say that after drive lead screw locking, the unlocking knob that is located in the fixed cover is not locked, people can be moved to the left and realize release by stirring clamp that button on the unlocking knob will lock drive lead screw.Therefore when circuit breaker is in separation, test, link position respectively, the clamp of drive lead screw can be in locking and lock two kinds of states, when on the clamp of drive lead screw the auxiliary contact with communication function being installed, because clamp the information of two kinds of states can occur when same position, thereby causes the transmission of circuit breaker position signal incorrect.
China's utility model patent number is 96222283.6, the patent that a kind of name is called " operating grip of manual operating mechanism of breaker " is disclosed, the operating grip of this manual operating mechanism of breaker, its handle and panel flexibly connect rotationally, and both lock with the locking clamp; Be provided with the pintle hook lock plate in the described handle, have the padlock hole above; It is characterized in that: be provided with slide plate in the panel, slide plate extends to form unlocking knob to the panel outside, and slide plate extends to form the anti-baffle plate of opening in lockhole.But this utility model patent has just solved the problem of interlocking and circuit breaker emergency opening cabinet door when closing a floodgate of handle and cabinet door.
The purpose of this utility model is that a kind of safety hanging locking device that can realize drawout breaker double locking, that security reliability height and the transmission of circuit breaker position signal are correct to drive lead screw and unlocking knob will be provided.
The purpose of this utility model reaches like this, a kind of safety hanging locking device of drawout breaker, it comprises fixed cover 18, jam plate 1, padlock sheet 22, padlock 24, unlocking knob 15, fixed cover 18 is installed in a side of line switch board 34, jam plate 1 is located in the fixed cover 18 slidably, return spring 10 is installed on it, padlock sheet 22 is limited on the line switch board 34 after being slidably mounted in the padlock film trap that also passes successively in the fixed cover 18 on jam plate 1 and the base plate 34, return spring 25 is installed on padlock sheet 22, padlock 24 is locked on the padlock sheet 22 when padlock sheet 22 is outwards pulled out, unlocking knob 15 is slidably mounted in the fixed cover 18, toggle 30 on it is positioned at the toggle hole 20 of fixed cover 18, be characterized in: extended a block 31 on the described unlocking knob 15, extending one on the described jam plate 1 can be to the block 31 spacing limiting plate 32 that make 15 lockings of 1 pair of unlocking knob of jam plate.
The utility model is because after adopting said structure, can realize locking to driving wire stalk 2 and unlocking knob 15 simultaneously by locking jam plate 1, thus realized drawout breaker respectively separate, test, dual security protection measure when connecting three positions after the locking; Simultaneously,, make clamp 5 when above-mentioned separation, test, connection three positions, only may have a kind of state, thereby guaranteed the correctness that the circuit breaker position signalling transmits because the locking of unlocking knob 15 has also locked and has been attached thereto the clamp 5 that connects.
Below in conjunction with accompanying drawing the utility model is further described below.
Accompanying drawing is an example structure sketch of the present utility model.
A is the structure chart that is located at the spring base 29 at the fixed cover 18 front panel back sides in the accompanying drawing.
It is box-like that fixed cover 18 of the present utility model is Ц shape, on the front panel of fixed cover 28, offer locking plate hole 28, toggle hole 20, handle socket 19 and analog indicator installing hole respectively, be shaped on spring base 29, spring base groove 17 respectively at the back side of fixed cover 18 front panels.Fixed cover 18 is installed in a side of line switch board 34, and the handle socket 13 that the handle socket 19 on it is aimed on the base plate 34.
The installing hole of tool padlock film trap 33, boss 35, limiting plate 32, square shaft 3 and declutch shift shaft 7, oblique contract 8, handle socket 14, return spring 10, spring base 11, analog indicator installing hole, projection 12 on the jam plate 1 of the present utility model, jam plate 1 is entrenched in the seat chamber of fixed cover 18 bottoms, and left and right moving in the chamber of can being present, there is certain offset between handle socket 14 on the jam plate 1 and the handle socket 13 on the base plate 34 when mounted.Return spring 10 is installed on the spring base 11, spring base 11 cooperates with the spring base groove 17 at the fixed cover 18 front panel back sides, spring base groove 17 can compress the return spring 10 on the spring base 11 when jam plate 1 moves to left, and make jam plate 1 be subjected to the right thrust all the time, tiltedly the effect of contract 8 is can promote jam plate 1 to move to left when handle inserts, and the handle socket 13 that the handle socket 14 on the jam plate 1 is aimed on the base plate 34, be convenient to the inserting of handle and driving wire pavilion 2 base portions.Projection 12 effect is the route of retreat that can block guide plate when jam plate 1 moves to left, makes the circuit breaker can't pusher.
Unlocking knob 15 of the present utility model is slidably mounted in the die cavity of fixed cover 18, tool block 31, toggle 30, driving lever hole 16 on unlocking knob 15.Block 31 is positioned at the left side of unlocking knob 15, and corresponding with limiting plate 32, when jam plate 1 is in the lock state, by cooperating of block 31 and limiting plate 32, has stoped moving to left of unlocking knob 15, has promptly locked unlocking knob 15.Toggle 30 is installed in the toggle hole 20 of fixed cover 18, and toggle hole 20 is waist shape, and when unlocking knob 15 was in unlocked state, toggle 30 can be left and right mobile in the toggle hole 20 of waist shape.Driving lever hole 16 also is waist shape, one end of driving lever 9 is installed in it, the other end of driving lever 9 is connected with an end of declutch shift shaft 7, the other end of declutch shift shaft 7 is fixed with an end of shift fork 4 behind the installing hole that passes successively on jam plate 1 and the base plate 34, the other end of shift fork 4 is fixed on the latch release shaft of clamp 5, clamp 5 is slidably mounted on the bearing 6, bearing 6 is fixed on the base plate 34, when moving to left, can realize clamp 5 release to drive lead screw 2 under the stirring of toggle 30, and when clamp 5 moves to right, can realize locking to drive lead screw 2, toggle 30 moved to right under the active force of clamp 5 and resetted this moment.
Hanging locking device of the present utility model is what to come like this by locking jam plate 1 with realization the double locking of drive lead screw 2 and unlocking knob 15: at first when circuit breaker is in handle on latched position and the drive lead screw 2 and is in extracting position, by pulling out padlock sheet 22, in the padlock hole 23 of padlock sheet 22, install padlock 24 again and get final product.Detailed process is: when padlock sheet 22 is outwards pulled out, be opened in groove 21 on padlock sheet 22 upper surfaces and break away from and the cooperating of the boss 35 of jam plate 1, make the upper surface conflict boss 35 of padlock sheet 22, thereby stoped moving to left of jam plate 1, jam plate 1 is locked.After jam plate 1 locking, because 19 handle sockets of aiming on the base plate 34 13 of the handle socket on the fixed cover 18, and and have certain offset between the handle socket on the jam plate 1 14, thereby make handle can't insert drive lead screw 2, realized the locking of drive lead screw 2.Simultaneously, because jam plate 1 is when latched position, the block 31 on the unlocking knob 15 is inconsistent with the guide vane end stop 32 on the jam plate 1, toggle 30 can't be stirred left, thereby also locked unlocking knob 15.And the locking of unlocking knob 15, locked clamp 5 again, make circuit breaker 5 of clamps when separation, test, connection three positions present a kind of state, so when on clamp 5, the auxiliary contact with communication function being installed, can guarantee the correct output of circuit breaker position signal.
Padlock 24 need be opened and unload to release of the present utility model only, at this moment padlock sheet 22 slides onto in the fixed cover 18 under the effect of thrust backward at return spring 25, and padlock film trap 33 and 36 backs of the padlock film trap on the base plate 34 passed successively on the jam plate 1 are spacing on base plate 34 by the step 27 of its lower end, in this position, groove 21 on the padlock sheet 22 is just aimed at the boss 35 in the padlock film trap 33, cooperation by both can left and rightly be moved jam plate 1, thereby has realized the release of jam plate 1.After jam plate 1 release, relying on oblique contract 8 to promote jam plate 1 when handle inserts moves to left, the handle socket 13 that handle socket 14 on the jam plate 1 is aimed on the base plate 34, thereby can realize the grafting of handle and drive lead screw 2 base portions, at this moment can drive the release that drive lead screw 2 rotations realize drive lead screw 2 by shaking handle.Equally, because jam plate 1 can move to left after being unlocked, thereby by stirring toggle 30 left, unlocking knob 15 also can move to left, thereby has realized the release of unlocking knob 15.And be connected with clamp 5 on the declutch shift shaft 7 of unlocking knob 15, the moving to left of toggle 30 can drive clamp 5 and be moved to the left together, makes clamp 5 break away from scarf with drive lead screw 2, with realize circuit breaker separate, test, release when connecting three positions.
Claims (1)
1, a kind of safety hanging locking device of drawout breaker, it comprises fixed cover (18), jam plate (1), padlock sheet (22), padlock (24), unlocking knob (15), fixed cover (18) is installed in a side of line switch board (34), jam plate (1) is located in the fixed cover (18) slidably, return spring (10) is installed on it, padlock sheet (22) is limited on the line switch board (34) after being slidably mounted in the padlock film trap that also passes successively in the fixed cover (18) on jam plate (1) and the base plate (34), return spring (25) is installed on padlock sheet (22), padlock (24) is locked in when outwards pulling out on the padlock sheet (22) at padlock sheet (22), unlocking knob (15) is slidably mounted in the fixed cover (18), toggle on it (30) is positioned at the toggle hole (20) of fixed cover (18), it is characterized in that having extended a block (31) on the described unlocking knob (15), extending one on the described jam plate (1) can be to the spacing limiting plate (32) that makes jam plate (1) to unlocking knob (15) locking of block (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02264482 CN2569386Y (en) | 2002-09-17 | 2002-09-17 | Safety padlock device of drawing out type braker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02264482 CN2569386Y (en) | 2002-09-17 | 2002-09-17 | Safety padlock device of drawing out type braker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2569386Y true CN2569386Y (en) | 2003-08-27 |
Family
ID=33730687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02264482 Expired - Fee Related CN2569386Y (en) | 2002-09-17 | 2002-09-17 | Safety padlock device of drawing out type braker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2569386Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879451A (en) * | 2017-05-12 | 2018-11-23 | 常熟开关制造有限公司(原常熟开关厂） | A kind of circuit breaker drawer base transmission device |
-
2002
- 2002-09-17 CN CN 02264482 patent/CN2569386Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879451A (en) * | 2017-05-12 | 2018-11-23 | 常熟开关制造有限公司(原常熟开关厂） | A kind of circuit breaker drawer base transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGSHU SWITCH MANUFACTURING CO., LTD. ( CHANGSHU Free format text: FORMER NAME OR ADDRESS: CHANGSHU SWITCH FACTORY |
|
| CP03 | Change of name, title or address |
Address after: No. 8 Jianye Road, Jiangsu, Changshou City Patentee after: Changshu Switchgear Manufacturing Co., Ltd. (Former Changshu Switchgear Factory) Address before: Li Gate Road, Jiangsu, Changshou City Patentee before: Changshu Switch Factory |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |