CN201332078Y

CN201332078Y - Gear-shift brake-opening/closing operation device for residual current circuit breaker

Info

Publication number: CN201332078Y
Application number: CNU200820130209XU
Authority: CN
Inventors: 林岳洲; 郑忠阳
Original assignee: ZHEJIANG SHANGLI ELECTRIC CO Ltd
Current assignee: ZHEJIANG SHANGLI ELECTRIC CO Ltd
Priority date: 2008-11-30
Filing date: 2008-11-30
Publication date: 2009-10-21
Anticipated expiration: 2018-11-30

Abstract

A gear-shift brake-opening/closing operation device for a residual current circuit breaker is configured by installing a gear-shift electrically-driven brake-opening/closing transmission actuating mechanism and a track-type manually-driven brake-opening/closing transmission actuating mechanism on the lid of a residual current circuit breaker. The operation device is characterized in that the gear-shift electrically-driven transmission actuating mechanism is mounted at the lower end on the surface of the lid of the residual current circuit breaker; the gear-shift electrically-driven transmission actuating mechanism comprises a lower fixing plate, an upper fixing plate, a motor displacement plate, a gear-shift limit slot, a motor, a gear, a gear-shift lever, a tension spring, a lever bracket, a pin, a gear-shift handle, a sliding toothed plate and the like; the track-type manually-driven actuating mechanism is arranged on the handle at the upper end on the surface of the lid of the residual current circuit breaker; and the track-type manually-driven actuating mechanism comprises a handle coupling, a handle pin, a sliding plate, a track groove, a manually-driven brake-opening/closing operation handle and the like. The utility model is particularly used for switching the electrically-driven brake-opening/closing and the manually-driven brake-opening/closing.

Description

The residual current circuit breaker formula breaking-closing operating device of putting into gear

Affiliated technical field

The utility model relates to the residual current circuit breaker breaking-closing operating device in a kind of low-voltage electrical apparatus field, especially realizes electronic automatic divide-shut brake and manual the two operating means of changing each other of divide-shut brake in the divide-shut brake process.

Background technology

At present, in the disclosed residual current circuit breaker breaking-closing operating device, electronic divide-shut brake device or manual divide-shut brake device are arranged, in having electronic and manual divide-shut brake dual-purpose apparatus, rack-and-pinion electric-hand driven two-purpose closing device is arranged, the chain-type electric switch-on device is arranged, Worm-gear type (as slide block screw mandrel formula) electric switch-on device is arranged, the electronic divide-shut brake device of eccentric wheel type is arranged, the crank-linkage type electric switch-on device is arranged, reach the purpose of the electronic automatic closing and the manual divide-shut brake of residual current circuit breaker by these devices, but, wherein be used for the operating means that electronic and manual divide-shut brake is changed each other, all be adopt to handle eccentric wheel or cam mechanism, is subjected to displacement by manual rotating eccentricity wheel or cam mechanism and finishes.In the operating means that the electronic and manual divide-shut brake of existing in the market residual current circuit breaker is changed each other, also do not have to adopt the mode of (yet claiming gearshift) of putting into gear, promptly adopt the mode (neutral or real retaining) of handling the lever of putting into gear to realize the operating means that the electronic and manual divide-shut brake of residual current circuit breaker is changed each other.

Summary of the invention

Task of the present utility model is to provide a kind of residual current circuit breaker to adopt the mode of putting into gear to finish the operating means that electronic or manual divide-shut brake is changed each other, when the electronic divide-shut brake of needs, handles the handle of putting into gear, and makes the engagement of motor gear and slip tooth plate; When the manual divide-shut brake of needs, handle the handle of putting into gear, motor gear is separated with the slip tooth plate, be a kind of according to action need can be electronic the manual formula of the putting into gear device of breaking-closing operating again.

For finishing above-mentioned task, the solution that the utility model is taked is: electronic close/open machine has electric control circuit control motor to rotate, when motor reel cogs and slides the tooth plate engagement, drive the slip tooth plate and do lengthwise movement up and down, the other end of slip tooth plate drives the coupling lengthwise movement, coupling pulling or promotion residual current circuit breaker handle are carried out breaking-closing operating (being called for short electronic divide-shut brake), manually close/open machine is by the handle of putting into gear the motor movable plate to be removed, motor reel is cogged and the tooth plate that slides separates certain distance, motor reel cogs and slides tooth plate under released state, motor power can not pass to the slip tooth plate, the reverse power of tooth plate of sliding simultaneously can not pass to motor gear, at this moment do lengthwise movement up and down by the manual operation coupling, coupling pulling or promotion residual current circuit breaker handle are carried out breaking-closing operating (being called for short manual divide-shut brake), when the electronic divide-shut brake of needs, get final product by the handle of putting into gear motor reel is cogged and slides tooth plate engagement again.

The beneficial effects of the utility model are: adopt the mode of putting into gear to be used as the mode of operation that electronic and manual divide-shut brake is changed each other, owing to put into gear lever under the position-limiting action of U-shaped stopper slot, make position electronic or that manual switch puts in place have locking action, the switching mode of guaranteeing transmission of power is more reliable, can not produce misoperation, in addition, owing to adopt residual current circuit breaker divide-shut brake taper knob in the slot on slip tooth plate top, and the slip tooth plate is under the position-limiting action of track and track pin, make the movement in a curve of handle in deciliter process resolve into level and move both vertically (as long as the power that overcomes horizontal motion just can divide-shut brake), reduce frictional force and reduced the operation resistance, thereby reduced the electric energy loss of electronic divide-shut brake process, also made manual breaking-closing operating more laborsaving.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the front front view of present embodiment.

Fig. 2 is the end view of the side of present embodiment.

In Fig. 1 and Fig. 2: 1, bottom plate, 2, upper mounted plate, 3, movable plate, 4, rotating shaft, 5, spacer pin, 6, motor, 7, lever dolly, 8, the lever of putting into gear, 9, the slip tooth plate, 10, track pin, 11, residual current circuit breaker handle, 12, coupling, 13, handle pin, 14, manual breaking-closing operating handle, 15, gear, 16, extension spring, 17, lever pin, 18, the handle of putting into gear, 19, residual current circuit breaker handle metallic sheath.

Embodiment

As depicted in figs. 1 and 2, a kind of residual current circuit breaker formula breaking-closing operating device of putting into gear, its structure is: formula electric transmissio mechanism and rail mounted manual-operating mechanism are formed by putting into gear, the formula of wherein putting into gear electric transmissio mechanism is: be installed with bottom plate 1 with screw on residual current circuit breaker is moulded cap, the overlapping upper mounted plate 2 that is equipped with above it, the overlapping movable plate 3 that is equipped with again, movable plate 3 usefulness rotating shafts 4 and spacer pin 5 are installed on the upper mounted plate 2, between upper and lower fixed head, leave the gap of certain distance, gear 15 and slip tooth plate 9 are put wherein, and electronic opening and closing state lower gear 15 and slip tooth plate 9 mesh; Installation motor 6 on movable plate 3, motor 6 shaft extensions are advanced in the interstitial hole of movable plate 3, and cogged 15 on the axle; Position, the lower right corner at upper mounted plate 2 has the U-shaped stopper slot, corresponding with it position is equipped with and bends to L shaped lever dolly 7 on the movable plate 3, in the centre bore of lever dolly 7 erect plates, combine with the centre of hinge form with the lever 8 of putting into gear with lever pin 17, the put into gear lower end of lever 8 puts in the U-shaped stopper slot of upper mounted plate 2, and the lower end is up held it with extension spring 16, play positioning action, the handle 18 of putting into gear is equipped with in the put into gear upper end of lever 8, handles the handle 18 of putting into gear and lever 8 lower ends of putting into gear is swung up and down can also drive movable plate 3 move left and right simultaneously in the U-shaped stopper slot.The rail mounted manual-operating mechanism is: residual current circuit breaker handle 11 is with metallic sheath 19 usefulness handle pins 13 and is connected with coupling 12, have elongated slot on end in coupling 12 middle parts, handle pin 13 can only move horizontally in elongated slot, coupling 12 bottoms are separately fixed at the slot two ends of slip tooth plate 9 upper middle position with 4 screws, both sides, slip tooth plate 9 top have symmetrical rail groove, track pin 10 is installed in the middle of the rail groove, track pin 10 spacing down, slip tooth plate 9 and coupling 12 can only move both vertically along track pin 10, therefore, under the position-limiting action of making a concerted effort of the perpendicular shape elongated slots of coupling 12 and slip tooth plate 9 rail grooves and track pin 10, the movement in a curve that residual current circuit breaker handle 11 and handle pin 13 are formed in the breaking-closing operating process is decomposed into horizontal motion and movement in vertical direction.Like this, no matter be electronic or manual divide-shut brake, mainly be the power that overcomes horizontal motion gets final product in operating process.

As depicted in figs. 1 and 2, in the present embodiment, the mode that employing is put into gear is used as the mode of operation that electronic and manual divide-shut brake is changed each other, the operating process that to change each other now is described as follows: when the electronic divide-shut brake of needs, pulling the handle 18 of putting into gear moves upward earlier, drive put into gear lever 8 lower ends around lever pin 17 to lower swing, the pulling force that its lower end overcomes extension spring 16 leaves the U-shaped stopper slot left side when lower swing trivially decides groove (it is manually trivial fixed to remove), pulling the handle 18 of putting into gear again moves right, lever 8 and lever dolly 7 and movable plate 3 move right with motor 6 gears 15 together with putting into gear, move to till gear 15 puts in place with 9 engagements of slip tooth plate, decontrol the handle 18 of putting into gear then, that puts into gear that lever 8 lower ends enter U-shaped stopper slot the right under the tension of extension spring 16 trivially decide in the groove (enter electronic trivial calmly), rotate if motor 6 rotates with regard to driven gear 15 this moment, because gear 15 is in engagement with slip tooth plate 9, just driving slip tooth plate 9 upwards promotes or spurs downwards, slip tooth plate 9 drives residual current circuit breaker handle 11 by coupling 12 and handle pin 13 again and does motion up or down, close a floodgate when moving upward, separating brake when moving downward, divide-shut brake power all derives from motor 6, so be referred to as electronic divide-shut brake, this process is exactly by the conversion process of manual breaking-closing operating state exchange to electronic breaking-closing operating state.When the manual breaking-closing operating of needs, pulling the handle 18 of putting into gear again also is to move upward earlier, drive put into gear lever 8 lower ends around lever pin 17 to lower swing, the pulling force that its lower end overcomes extension spring 16 leaves U-shaped stopper slot the right when lower swing trivially decide groove (remove electronic trivial calmly), pulling the handle 18 of putting into gear then is moved to the left, lever 8 and lever dolly 7 and movable plate 3 are moved to the left with motor 6 gears 15 together with putting into gear, move to gear 15 and slip tooth plate 9 separate put in place till, decontrol the handle 18 of putting into gear then, that puts into gear that lever 8 lower ends enter the U-shaped stopper slot left side under the tension of extension spring 16 trivially decides (it is manually trivial fixed to enter) in the groove, because this moment, gear 15 was in separated position with slip tooth plate 9, cut off electronic bang path, at this moment just can the manual breaking-closing operating handle 14 of manual operation, drive coupling 12 and slip tooth plate 9 and drive handle pin 13 and the motion up or down of residual current circuit breaker handle 11 dos thereupon, close a floodgate when moving upward, separating brake when moving downward, divide-shut brake power all derives from manually, so be referred to as manual divide-shut brake, this process is exactly by the conversion process of electronic breaking-closing operating state exchange to manual breaking-closing operating state.Repeat above-mentioned (conversion of putting into gear) operation when needing electronic divide-shut brake once more again, can determine whether implementing manually still electronic breaking-closing operating like this according to the instructions for use in the low voltage electric network equipment running process.

Claims

1, a kind of residual current circuit breaker formula breaking-closing operating device of putting into gear, cover in residual current circuit breaker electronic transmission operating mechanism of the formula of putting into gear and rail mounted manual transmission operating mechanism are installed, it is characterized in that: the lower end at the residual current circuit breaker capping is equipped with bottom plate, upper mounted plate, the motor movable plate and the stopper slot of putting into gear, motor and gear, the lever of putting into gear, extension spring, lever dolly and pin, the handle of putting into gear, formations such as the slip tooth plate electronic transmission operating mechanism of formula of putting into gear is equipped with the handle coupling at handle place, the upper end of residual current circuit breaker capping, handle pin, sliding panel and rail groove, manual breaking-closing operating handles etc. constitute the rail mounted manual-operating mechanism.

2, the residual current circuit breaker as claimed in claim 1 formula breaking-closing operating device of putting into gear, it is characterized in that the electronic transmission operating mechanism of the said formula of putting into gear is: motor (6) and gear (15) are installed on the movable plate (3), place, the upper right corner at movable plate (3) is installed on the upper mounted plate (2) with rotating shaft (4), the formation hinge connects, place, the lower right corner at upper mounted plate (2) has the U-shaped stopper slot, near upper mounted plate (2) stopper slot top lever dolly (7) is installed at movable plate (3), lever (8) centre of putting into gear is fixed on lever dolly (7) centre with lever pin (17) with the hinge form, lever (8) the lower end usefulness extension spring (16) of putting into gear is held, the handle (18) of putting into gear on the lever of putting into gear (8).

3, the residual current circuit breaker as claimed in claim 1 formula breaking-closing operating device of putting into gear, it is characterized in that said rail mounted manual-operating mechanism is: with the elongated slot that has on the coupling (12) that residual current circuit breaker handle (11) is connected on end, the two ends of residual current circuit breaker handle pin (13) are in the elongated slot of coupling (12), coupling (12) bottom is fixed on slip tooth plate (9) upper middle position with screw, slip tooth plate (9) both sides, top have symmetrical rail groove, and track pin (10) is installed in the middle of the rail groove.

4, the residual current circuit breaker as claimed in claim 1 formula breaking-closing operating device of putting into gear, it is characterized in that in the said rail mounted manual-operating mechanism: be with handle metallic sheath (19) on residual current circuit breaker handle (11), handle (11) and handle metallic sheath (19) all are inserted in the slot that slip tooth plate (9) upper middle position opens.