CN218182140U - Plastic case circuit breaker anti-misoperation device with front elastic buckle type operation - Google Patents

Abstract

The utility model belongs to the auxiliary tool field is examined to equipment dimension, a moulded case circuit breaker of positive elasticity knot formula operation prevents mistake operating means, including left side part and right side part, left side part includes the left side board, from last to set up last connecting rod, slide bar, the lower slide bar on the left side board perpendicularly in proper order down, and right side part includes the right side board, from last to set up last slide cartridge, middle part sleeve, the lower slide cartridge on the right side board perpendicularly in proper order down, last connecting rod, slide bar, lower slide bar embolia respectively in last slide cartridge, middle part sleeve, the lower slide cartridge, be provided with adjusting device between middle part sleeve and the slide bar, adjusting device includes the elasticity cover, and the elasticity cover includes nut spare and lower nut spare, goes up in nut spare and the lower nut spare arbitrary one and middle part sleeve left end fixed connection, sets up the screw thread on the spliced pole. The utility model provides a be used for cabinet that converges moulded case circuit breaker overhauls with preventing mistake closing device avoids dc-to-ac converter to overhaul during operation moulded case circuit breaker mistake closing problem, guarantees maintainer personal safety.

Description

Plastic case circuit breaker anti-misoperation device with front elastic buckle type operation

Technical Field

The utility model belongs to the auxiliary tool field is examined to equipment dimension, in particular to circuit breaker prevents mistake operating means.

Background

Photovoltaic power plant exists some problems when the operation is overhauld: (1) the molded case circuit breaker cannot effectively suspend the safety signboard; (2) When a certain inverter of the integrated platform needs to be overhauled, if only the molded case circuit breaker of the alternating current convergence cabinet is disconnected, the molded case circuit breaker is huge in installation quantity and is not provided with an anti-misoperation locking device, so that the risk of false switching-on exists during overhauling; (3) If only overhaul this subarray case and become low pressure side circuit breaker for a set of string inverter and then cause the maintenance and abandon the loss of light electric quantity and increase, be unfavorable for power station economic operation. Therefore, it is necessary to provide an anti-false switching-on device for a plastic shell breaker of an alternating current bus cabinet of a photovoltaic power station integrated platform.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be used for cabinet moulded case circuit breaker that converges overhauls with preventing mistake combined floodgate device avoids dc-to-ac converter to overhaul the during operation moulded case circuit breaker mistake combined floodgate problem, guarantees maintainer personal safety to solve moulded case circuit breaker and can't effectively hang the safety and mark the tablet problem. The application through preventing mistake closing device reduces the power failure scope when single dc-to-ac converter overhauls, reduces to overhaul and abandons the loss of photoelectric quantity.

In order to realize the above-mentioned purpose, the utility model discloses a following technical scheme, the utility model discloses a light insulating material, utilize the slide bar to remove the structure of controlling the width and constitute, a shell width for adapting to different model circuit breakers, the surface sets up the mark frame, place different marks and carry out circuit breaker state display, set up the gag lever post, a handle for fixed circuit breaker, make the unable activity of handle, the gag lever post is by lower chassis, slider and body of rod are constituteed, the slider realizes removal and fixed function through the reciprocating motion who removes the connecting rod in the slide, it realizes reciprocating motion through the rotation that the slide removed the release piece to remove the connecting rod, remove fixed built-in key ring on the release piece, the elasticity function of slide is realized to removal release piece through the special key rotation, the safety and the continuity of maintenance have been guaranteed to the special key.

The plastic case circuit breaker anti-misoperation device comprises a left side part and a right side part, wherein the left side part comprises a left side plate, an upper connecting rod, a sliding rod and a lower sliding rod are sequentially and vertically arranged on the left side plate from top to bottom, the right side part comprises a right side plate, an upper sliding barrel, a middle sleeve and a lower sliding barrel are sequentially and vertically arranged on the right side plate from top to bottom, the upper connecting rod, the sliding rod and the lower sliding rod are respectively sleeved in the upper sliding barrel, the middle sleeve and the lower sliding barrel, an adjusting device is arranged between the middle sleeve and the sliding rod, the adjusting device comprises a tensioning sleeve, the tensioning sleeve comprises an upper nut piece and a lower nut piece, the upper nut piece and the lower nut piece are fixedly connected with the left end of the middle sleeve, the sliding rod penetrates through the upper nut piece and the lower nut piece, a handle of the tensioning sleeve passes through a connecting column, a fixed terminal and the tensioning sleeve are connected into a whole, and threads matched with the upper nut piece and the lower nut piece are arranged on the connecting column.

Furthermore, the right side plate is fixed on the upper shell, and the upper shell is provided with a sign bar.

Furthermore, the circuit breaker anti-misoperation device further comprises a limiting shell, and the limiting shell is used for fixing a circuit breaker handle.

Furthermore, spacing shell includes the gag lever post, the gag lever post both ends are provided with chassis under the connecting rod respectively, the slide is located between chassis and the gag lever post under the connecting rod, and gag lever post slidable that is fixes on the slide, be provided with the slider on the chassis on the connecting rod, the width of slide is adjustable.

Furthermore, the slide way comprises vertical rods at two sides and movable connecting rods at two sides, a slide way is formed between the vertical rods and the movable connecting rods, and a width adjusting device is arranged between the movable connecting rods at two sides and used for adjusting the width between the two movable connecting rods so as to adjust the width of the slide way.

Furthermore, the width adjusting device comprises a movable release block positioned between the two movable connecting rods, and the movable release block and the two movable connecting rods are connected by elastic springs respectively.

Furthermore, the movable release block is fixed together with the rotary key ring and fixed in the limiting shell through a pin.

The utility model discloses a technical scheme have following beneficial effect:

1. the utility model discloses a light insulating material utilizes the relative position between the adjustable left side part of worm wheel slide bar structure and the right side part for adapt to different model circuit breakers, the surface sets up marks the frame, can hang and establish and place different marks and carry out circuit breaker state display.

2. The utility model discloses set up spacing shell for fixed circuit breaker handle makes the unable activity of handle, improves the dimension and examines safety.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

1-left side plate, 2-upper connecting rod, 3-upper backup plate, 4-upper sliding barrel, 5-right side plate, 6-sign column, 7-elastic sleeve, 16-sliding rod, 8-middle sleeve, 9-elastic sleeve handle, 10-upper outer shell, 11-elastic spring, 12-limiting rod, 13-movable connecting rod, 14-limiting shell, 15-slideway, 17-lower sliding rod, 18-lower sliding barrel, 19-movable releasing block, 20-rotary key ring, 21-limiting rod lower chassis, 22-sliding block, 23-fixed connecting shell, 24-fixed terminal and 25-connecting column.

Detailed Description

The technical solution of the present invention will be further explained with reference to the drawings.

The utility model provides a moulded case circuit breaker of positive elasticity knot formula operation prevents mistake operating means, left side board 1 and last connecting rod 2, slide bar 16 and lower slide bar 17 are as an organic whole, form left side movable part for the left side is tight, go up backup plate 3 and fix on last sleeve 4, connecting rod 2 can easily remove in sleeve 4, right side board 5 is fixed on last shell 10, the sign fence is fixed at last shell 10 openly, go up slide 4, well sleeve 8 is fixed on last shell 10, elasticity cover 7 includes nut spare and lower nut spare, go up the nut spare with arbitrary and middle part sleeve left end fixed connection in the nut spare down pass slide bar 16 between nut spare and the lower nut spare, elasticity cover handle passes through spliced pole 25, and fixed terminal 24 and elasticity cover 7 are linked together, be provided with on the spliced pole 25 with last nut spare and nut spare matched with screw thread down. When the elastic sleeve handle 9 rotates, the loosening and fastening of the elastic sleeve 7 (the large and small adjustment of the distance between the upper nut member and the lower nut member) are realized, the slide bar 16 is fixed and loosened, the slide bar 16 is slid, the adjustment of the space size between the left side plate and the right side plate is realized, the left and right fastening of the molded case circuit breakers with different width sizes is met, the anti-misoperation device of the molded case circuit breaker can be stably and firmly fixed on the molded case circuit breaker, the sign column 6 is fixed on the front surface of the upper shell 10, used for placing marks in different states, the limiting shell 14 is connected with the middle sleeve 8 through the fixed connecting shell 23, the movable releasing block 19 is fixed with the rotary key ring 20, the movable connecting rod 13 is fixed in the limiting shell 14 through a pin, can move in a slideway of the limiting shell 14, the key ring 20 is rotated by twisting to drive the movable release block 19 to move the connecting rod 13 left and right, the connecting rod 13 is fixed on the shell 14 through the spring 11 to perform return motion, the outer side of the slide way 15 is fixedly connected with the middle sleeve 8 and the lower slide cylinder 18, the inner side of the slide way 15 is fixed with the connecting rod 13 and the limiting rod 12 together, the limiting rod 12 is fixedly connected with the lower chassis 21, the slide block 22 fixes the tail end of the limiting rod, the limiting rod 12 is arranged on the inner side rod of the slide way 15, and through the left and right motion of the connecting rod 13, the width size change of the slideway 15 can be realized, the sliding block 22 is adjusted to slide, after the limiting rod 12 reaches the designated position, the key ring 20 is rotated by twisting the special key to drive the movable release block 19, so that the connecting rod 13 moves outwards, the width of the slideway 15 is reduced, thereby press from both sides tight slider 22, make the gag lever post be in fixed state, twist and twist rotatory key ring 20, drive and remove release block 19, connecting rod 13 makes slide 15 loosen through the effort inward movement of spring 11 to make gag lever post 12 can freely up-and-down motion.

To sum up, the utility model discloses a technical scheme can avoid the dc-to-ac converter to overhaul the during operation moulded case circuit breaker mistake combined floodgate problem, guarantees maintainer personal safety to solve moulded case circuit breaker and can't effectively hang the safety and mark the tablet problem. The power failure range of a single inverter during maintenance is reduced through the application of the anti-misoperation closing device, and the photoelectric loss caused by maintenance and abandonment is reduced.

Claims (7)

1. The utility model provides a moulded case circuit breaker of positive elasticity knot formula operation prevents mistake operating means, includes left side part and right side part, its characterized in that: the left side part comprises a left side plate, and an upper connecting rod, a sliding rod and a lower sliding rod which are sequentially and vertically arranged on the left side plate from top to bottom, the right side part comprises a right side plate, an upper sliding cylinder, a middle sleeve and a lower sliding cylinder which are sequentially and vertically arranged on the right side plate from top to bottom, the upper connecting rod, the sliding rod and the lower sliding rod are respectively sleeved in the upper sliding cylinder, the middle sleeve and the lower sliding cylinder, an adjusting device is arranged between the middle sleeve and the sliding rod, the adjusting device comprises an elastic sleeve, the elastic sleeve comprises an upper nut piece and a lower nut piece, any one of the upper nut piece and the lower nut piece is fixedly connected with the left end of the middle sleeve, the sliding rod penetrates through the upper nut piece and the lower nut piece, a handle of the elastic sleeve passes through a connecting column, a fixing terminal and the elastic sleeve are connected into a whole, and threads matched with the upper nut piece and the lower nut piece are arranged on the connecting column.

2. The molded case circuit breaker anti-misoperation device of a front-surface buckle type operation as recited in claim 1, wherein: the right side plate is fixed on the upper shell, and a sign fence is arranged on the upper shell.

3. The anti-misoperation device of the molded case circuit breaker with the front surface being in a buckle type operation as claimed in claim 1, wherein: the circuit breaker handle is characterized by further comprising a limiting shell, and the limiting shell is used for fixing the circuit breaker handle.

4. The anti-misoperation device of the molded case circuit breaker with the front surface being in a buckle type for operation as claimed in claim 3, wherein: the limiting shell comprises a limiting rod, a connecting rod lower chassis is arranged at two ends of the limiting rod respectively, the slide way is located between the connecting rod lower chassis and the limiting rod, the limiting rod is fixed on the slide way in a sliding mode, and a sliding block is arranged on the connecting rod lower chassis.

5. The anti-misoperation device of the molded case circuit breaker with the front surface being in a buckle type for operation as claimed in claim 4, wherein: the slideway comprises two side vertical rods and two side movable connecting rods, the slideway is formed between the vertical rods and the movable connecting rods, and a width adjusting device is arranged between the two side movable connecting rods and used for adjusting the width between the two movable connecting rods so as to adjust the width of the slideway.

6. The anti-misoperation device of the molded case circuit breaker with the front surface being in a buckle type for operation as claimed in claim 5, wherein: the width adjusting device comprises a movable release block positioned between two movable connecting rods, and the movable release block is connected with the two movable connecting rods through elastic springs respectively.

7. The anti-misoperation device of the molded case circuit breaker with the front surface being in a buckle type for operation as claimed in claim 6, wherein: the movable release block is fixed together with the rotary key ring and fixed in the limiting shell through the pin.

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