CN208111383U - A kind of slide block device of operating mechanism - Google Patents

Abstract

A kind of slide block device of operating mechanism, belongs to low voltage electrical apparatus technology field.Sliding block including the guiding axis being fixed on the bottom plate of operating mechanism and for cooperating with guiding axis and can be reciprocating along guiding axis, it is characterised in that：Offer open slot on the sliding block, the open slot extends along the direction of motion of sliding block, after guiding axis is installed in open slot, guiding axis in the radial direction, the outer surface of guiding axis is flushed or is exposed to outside opening face with the opening face of open slot.The whole height for significantly reducing the operating mechanism of switch, has saved space, and at low cost, and competitiveness is strong.

Description

A kind of slide block device of operating mechanism

Technical field

The utility model belongs to low voltage electrical apparatus technology field, and in particular to a kind of slide block device of operating mechanism.

Background technique

The operating mechanism of usually said switch has generally comprised pedestal, transmission mechanism component, hand-operational apparatus, electricity Source control unit etc..When electric operating, the motor of power control unit control transmission mechanism component is rotated, and is driven The rotary motion of motor is slowed down and is converted into straight reciprocating motion by mechanism assembly, and then drives the handle motion of switch, with complete It is operated at the on/off switch of switch.

Involved transmission mechanism component above, generally includes electric machine assembly, reduction assemblies and slider cam component.

The operating mechanism of existing switch, the arrangement of structure from top to bottom successively are：Power control unit, manual operation Component, electric machine assembly and reduction assemblies, slider cam component, pedestal etc., due to being arranged using multilayer, structure is complicated, occupies empty Between big, especially short transverse, process links are more, cause whole height high, space waste is big, high production cost.

Therefore, design a kind of operating mechanism of flat Switching be it is essential, the whole of operating mechanism can be reduced Body height saves space, reduces cost, promote the competitiveness of product.The structure of transmission mechanism component and arrangement are carried out simultaneously Optimization, facilitates designing and manufacturing for flattening operating mechanism.

Summary of the invention

The purpose of this utility model is to provide for a kind of slide block device of operating mechanism, significantly reduces the operation of switch The whole height of mechanism has saved space, and production cost is low, and the market competitiveness is strong.

What the purpose of this utility model was such to reach, a kind of slide block device of operating mechanism, including it is fixed on operation Guiding axis on the bottom plate of mechanism and the sliding block for cooperating with guiding axis and can be reciprocating along guiding axis, feature exist In：Open slot is offered on the sliding block, the open slot extends along the direction of motion of sliding block, and guiding axis, which is installed with, to be open After in slot, guiding axis in the radial direction, the outer surface of guiding axis flushes or is exposed to opening with the opening face of open slot Outside face.

In a specific embodiment of the utility model, in the sagittal plane of open slot, opening face is relative to opening The inside of mouth slot is in the trend shunk, so that open slot has radial limit to guiding axis after guiding axis is installed in open slot Effect.

In another specific embodiment of the utility model, the circular in cross-section of the guiding axis is described The profile of open slot is in arc-shaped in sagittal plane, which is a major arc for being greater than semicircle, with guiding axis cross circular section The center of shape is the center of circle, and central angle is between 180 ° to 360 °.

In another specific embodiment of the utility model, the cross section of the guiding axis is trapezoidal, described The profile of open slot is trapezoidal in sagittal plane, and the trapezoidal bottom of the guiding axis bottom trapezoidal with open slot matches, guiding The trapezoidal height of axis is greater than the trapezoidal height of open slot, so that the trapezoidal upper bottom of guiding axis is exposed to outside opening face.

The whole height of operating mechanism of the utility model due to after adopting the above structure, significantly reducing switch is saved Space, improvement effect is obvious compared with prior art, at low cost, competitiveness is strong.

Detailed description of the invention

Fig. 1 is the three-dimensional structure diagram of the operating mechanism of switch described in the utility model.

Fig. 2 is the stereogram exploded view of the operating mechanism of switch described in the utility model.

Fig. 3 a is the perspective view of the sliding block of the utility model first embodiment.

Fig. 3 b is the front view of the sliding block of the utility model first embodiment.

Fig. 3 c is the sliding block of the utility model first embodiment and the side view of guiding axis cooperation.

Fig. 3 d is the sliding block of the utility model second embodiment and the side view of guiding axis cooperation.

Fig. 4 is the perspective view of cam described in the utility model.

Fig. 5 a is the operating mechanism internal structure chart of switch described in the utility model.

Fig. 5 b is the operating mechanism internal structure side view of switch described in the utility model.

Fig. 6 a is that the operating mechanism of switch described in the utility model is located at the floor map of open position.

Fig. 6 b is that the operating mechanism of switch described in the utility model is located at the cover schematic diagram of open position.

Fig. 7 a is that the operating mechanism of switch described in the utility model is located at the schematic diagram of closing position.

Fig. 7 b is that the operating mechanism of switch described in the utility model is located at the cover schematic diagram of closing position.

Fig. 8 is that the operating mechanism of switch described in the utility model is located at the cover schematic diagram of trip positions.

In figure：1. bottom plate, 11. spindle nose holes, 12. handle holes, 13. screw holes two, 14. emergency trip bars, 15. fine motions are opened It closes, 16. screw holes one；2. sliding block, 21. open slots, 22. combined floodgate faces, 23. separating brake faces, 24. square holes, 25. handle holes, 26. openings Face；3. guiding axis, 31. spindle noses, 32. outer surfaces；4. cam, 41. central axises, 42. driving boss；5. lower installation board, 51. One circular hole, 52. second circular holes, 53. holes, 55. motor mounting plates；6. reduction assemblies, 61. first reduction gearing, 62. center tooths Wheel, 63. second reduction gearing, 64. worm gears；7. upper mounting plate, 71. first screw holes, 72. second screw holes, 73. first spiral shells Nail, 74. second screws；8. lid, 81. transparent tegillums；9. handle, 91. manual operation input terminals, 92. axis holes；10. swing rod, 101. Rotary middle spindle, 102. manual operation output ends, 1021. boss；20. electric machine assembly, 201. output worm screws；30. power supply controls Unit.

Specific embodiment

Applicant will below be described in detail specific embodiment of the present utility model in conjunction with attached drawing, but applicant is to reality The description for applying example is not limitation to technical solution, and any change in the form rather than substance according to the utility model design is all answered When being considered as the protection scope of the utility model.

Operating mechanism described in the utility model is preferably applied on breaker of plastic casing, as shown in fig. 1~fig. 5, operation Mechanism is box shaped and is fixedly mounted on breaker of plastic casing, passes through internal electric machine assembly 20 or manual operation handle 9, driving Moulded case circuit breaker handle movement, realizes the separating brake of breaker, combined floodgate, detains again.

Operating mechanism include bottom plate 1, sliding block 2, guiding axis 3, cam 4, lower installation board 5, reduction assemblies 6, upper mounting plate 7, Lid 8, handle 9, swing rod 10, electric machine assembly 20, power control unit 30.

The intermediate position of bottom plate 1 is offered for probeing into the handle hole 12 inside operating mechanism, bottom plate 1 for circuit breaker handle The top of breaker short transverse is fixedly mounted on by the cooperation of screw hole 1 and screw thereon.

Sliding block 2 offers open slot 21, the direction of motion of the open slot 21 along sliding block 2 on the side side towards bottom plate 1 Extend, guiding axis 3 is installed in open slot 21, passes through the spindle nose 31 at 3 both ends of guiding axis and matching for the spindle nose hole 11 of 1 two sides of bottom plate It closes, so that guiding axis 3 is fixed on bottom plate 1, and sliding block 2 can slide on guiding axis 3, i.e., sliding block 2 can be along the length of guiding axis 3 Direction（It is axial）It does reciprocating linear motion relative to bottom plate 1.In order to guarantee the reliable sliding of sliding block 2, usually guiding axis 3 is arranged It is two disposed in parallel spaced apart, certain quantity is not limited to two, the quantity and the quantity of guiding axis 3 of open slot 21 It is identical.After guiding axis 3 is installed in open slot 21, guiding axis 3 in the radial direction, the outer surface 32 of guiding axis 3 with open The opening face 26 of mouth slot 21 is flushed or is exposed to outside opening face 26.The side side towards bottom plate 1 positioned at sliding block 2 of open slot 21 The opening in face is opening face 26.Sliding block 2 can be close to the sliding of pedestal 1 as a result, reduce the mounting height of sliding block.

In the sagittal plane of open slot 21, opening face 26 is in the trend shunk relative to the inside of open slot 21, so that After guiding axis 3 is embedded in open slot 21, open slot 21 has the function of radially limiting to guiding axis 3.Preferably, practical at this In novel, the circular in cross-section of the guiding axis 3, the profile of the open slot 21 is in arc-shaped in sagittal plane, The circular arc is a major arc for being greater than semicircle, and using the circular center in 3 cross section of guiding axis as the center of circle, central angle is at 180 °~360 ° Between.The setting of open slot 21 between guiding axis 3 and sliding block 2 so that opposite will not fall off.The profile of certain open slot 21 is unlimited It can also be circle in above-mentioned arc-shaped, but need so that the circle and the side side towards bottom plate 1 of sliding block 2 are tangent, point of contact It is configured to the opening face 26 of open slot 21, so that the outer surface 32 of guiding axis 3（Being located at for 3 outer circumference surface of guiding axis at this time The extreme lower position of operating mechanism short transverse）It is flushed with the opening face 26 of open slot 21.

In addition, the shape and cooperation of open slot 21 and guiding axis 3 are not limited to above-mentioned round, circular arc wise manner, can also will lead It is arranged to the trapezoidal long straight-bar in cross section to axis 3, the profile of open slot 21 is also trapezoidal in sagittal plane, 3 ladder of guiding axis The bottom of the shape bottom trapezoidal with open slot 21 matches, and the trapezoidal height of guiding axis 3 is greater than the trapezoidal height of open slot 21, makes The trapezoidal upper bottom of guiding axis 3 is obtained to be exposed to outside opening face 26.

Sliding block 2 is extended on the side side towards lid 8 combined floodgate face 22, separating brake face 23, and also opens up on sliding block 2 The handle hole 25 for having the square hole 24 for probeing into for circuit breaker handle, being probeed into for the boss 1021 for swing rod 10.

The top of sliding block 2 is provided with cam 4 and swing rod 10, and the central axis 41 of cam 4 passes through the first circle on lower installation board 5 Hole 51, the first reduction gearing 61 in reduction assemblies 6 between upper mounting plate 7 and lower installation board 5 are sleeved on central axis 41 On, so that 61 synchronous rotary of cam 4 and the first reduction gearing, the first screw 73 passes through the first screw hole 71 on upper mounting plate 7 It is screwed into central axis 41, so that cam 4 is rotatably arranged on upper and lower mounting plate 7,5, cam 4 is in the side towards sliding block 2 A driving boss 42 is extended on side, which is respectively used to cooperate with combined floodgate face 22, separating brake face 23.Swing rod 10 Rotary middle spindle 101 passes through the second circular hole 52 on lower installation board 5, and handle 9 is sleeved on rotary middle spindle 101, specifically, hand One end of handle 9 is configured to be manually operated input terminal 91, the other end with axis hole 92, and one end of swing rod 10 has rotary middle spindle 101, the other end is configured to that output end 102 is manually operated, and swing rod 10 is realized by rotary middle spindle 101 and the cooperation of axis hole 92 With the connection of handle 9, so that handle 9 and 10 synchronous rotary of swing rod, rotary middle spindle 101 is upwardly extended by one end court of swing rod 10 And constitute, the second screw hole 72 that the second screw 74 passes through on upper mounting plate 7 is screwed into rotary middle spindle 101, thus by swing rod 10 are rotatably arranged on upper and lower mounting plate 5,7, and the other end of swing rod 10, should towards extending downwardly and having constituted a boss 1021 Boss 1021 probes into the handle hole 25 of sliding block 2.

Combined floodgate face 22, separating brake face 23 and driving 42 three's positional relationship of boss：In the direction of action of sliding block 2, combined floodgate face 22 and separating brake face 23 between the two every setting, preferably, combined floodgate face 22 and separating brake face 23 are upward respectively on sliding block 2 to the utility model Two crownings of extended composition, the two are arranged face-to-face, as the sliding block 2 indicated in Fig. 6 a drives breaker completion to pull work again After stroke, driving boss 42 and separating brake face 23 will be disengaged from moment, the position in separating brake face 23；With as indicated in Fig. 7 a After sliding block 2 drives breaker to complete feed motion stroke, driving boss 42 and combined floodgate face 22 will be disengaged from moment, combined floodgate face 22 position, two positions are in symmetrical with the center of rotation of the central axis 41 of cam 4, and interval driving is convex between two positions The distance of the diameter of 42 place circumference of platform.Combined floodgate face 22 is along the direction extension perpendicular to 2 glide direction of sliding block, perpendicular to sliding block In 2 glide direction, combined floodgate face 22 extends to the circumferential position where driving boss 42 using the center of rotation of cam 4 as starting point； Equally, separating brake face 23 along perpendicular to 2 glide direction of sliding block direction extension, separating brake face 23 using the center of rotation of cam 4 as starting point, Extend to the circumferential position where driving boss 42；In the direction perpendicular to 2 glide direction of sliding block, combined floodgate face 22 and separating brake face 23 are staggered using the center of rotation of cam 4 as separation.Cam 4 completes the feed motion stroke of breaker in driving sliding block 2 At the end of, i.e., breaker closing in place when, such as Fig. 7 a, drive the one of 4 center of rotation of close cam in boss 42 and combined floodgate face 22 End contact is held, at this point, the position where driving boss 42, pulls work again what driving sliding block 2 completed breaker with, cam 4 At the end of stroke, i.e., when breaker detains completion again, such as Fig. 6 a, drive 4 center of rotation of close cam of boss 42 and separating brake face 23 One end end contact, at this point, driving boss 42 above-mentioned two position be located at driving 42 place circumference of boss same diameter On, i.e., between the two every 180 °.After the completion of breaker closing, cam 4 continues to rotate, so that driving boss 42 divides with combined floodgate face 22 From transmission connection disconnects, and the first disengaging configuration is reached, such as Fig. 7 a；After the completion of breaker open operation, cam 4 continues to rotate, so that Driving boss 42 is separated with separating brake face 23, and transmission connection disconnects, and reaches the second disengaging configuration, such as Fig. 6 a, drives the upper of boss 42 State two positions be located at driving 42 place circumference of boss it is same diametrically, i.e., between the two every 180 °.

Lower installation board 5 is passed through by screw in the screw hole 2 13 opened up inside the column that hole 53 thereon is screwed on bottom plate 1, To fix lower installation board 5 and 1 phase of bottom plate, slide plate 2, guiding axis 3, cam 4 and swing rod 10 are respectively positioned on lower installation board 5 and bottom plate Between 1.

The laterally setting of electric machine assembly 20, the side downward bending of lower installation board 5 have motor mounting plate 55, and screw passes through motor Hole on mounting plate 55 is screwed on electric machine assembly 20, so that electric machine assembly 20 and 5 phase of lower installation board be fixed.In addition, motor group The turbine 64 that the output worm screw 201 of part 20 passes through the Kong Houyu reduction assemblies 6 on motor mounting plate 55 is meshed.

Reduction assemblies 6 include in engaging with the first reduction gearing 61 of the synchronous rotation of cam 4, with the first reduction gearing 61 Between gear 62, the second reduction gearing 63 engaged with intermediate gear 62, the turbine 64 that rotates coaxially with the second reduction gearing 63.Subtract Fast component 6 is fixed on 7 and of upper mounting plate by the gear shaft of the gear shaft of intermediate gear 62, the second reduction gearing 63 and turbine 64 Between lower installation board 5.

The rotary middle spindle 101 of handle 9 and swing rod 10 is arranged between upper mounting plate 7 and lower installation board 5.Lid 8 passes through spiral shell Nail is fixed on upper mounting plate 7, and input terminal is manually operated in the free end for operator's driving of corresponding handle 9 in lid 8 A transparent pivoted cover 81 is provided on 91 position, the lid of transparent pivoted cover 81 is set on manual operation input terminal 91.When manual operation, turn over Open transparent pivoted cover 81, release the connection with motor control lines, cut off motor, realize manual operation with it is electrically operated electrical Lock.Three tick lables of breaker closing, tripping, separating brake are also identified on lid 8, handle 9 is in the shape of a rod, defeated being manually operated Enter and be identified with arrow mark on the position at end 91, when handle 9 is in different location, arrow is directed toward corresponding combined floodgate, tripping, divides Three tick lables of lock, to intuitively indicate the state position of breaker on operating mechanism.

Power control unit 30 is mounted between lid 8 and bottom plate 1, the start-up and shut-down control connection with electric machine assembly 20, Control the start and stop of motor.Microswitch 15 is further fixed on bottom plate 1, sliding block 2 triggers microswitch 15, fine motion in different location Switch 15 is connect with power control unit 30, exports the location status of breaker.

It is additionally provided with emergency trip bar 14 inside operating mechanism, can be acted along the short transverse of operating mechanism, one end is leant out Outside lid 8, the emergency trip snap fit on the other end and breaker touches emergency trip and presses when pressing emergency trip bar 14 Button, the tripping of forced cut-out device.

In conjunction with Fig. 5 a, 5b, the application carries out each functional component construction and arrangement of the operating mechanism of breaker rationally excellent Change, sliding block 2 is close to pedestal 1 and is slided；Cam slide drive mechanism and circuit breaker handle are in sustained height；Electric machine assembly 20 is horizontal It arranges and arranged side by side with sliding block 2, is not take up the upper space of lower installation board 5；Due to electric machine assembly transmission, cam slide transmission, pendulum Bar sliding block transmission three is in below lower installation board, and, reduction assemblies structure is simple, reduction assemblies, manual component, power supply control Unit processed is between upper lower installation board, to significantly reduce height.Operating mechanism whole height is significantly reduced, is saved Space.

Such as Fig. 6 b, 7b, 8, " combined floodgate ", " tripping ", " separating brake " three of corresponding breaker are successively illustrated on lid 8 from top to bottom A position, the breaker of the application, " detaining again " they are unstable position, the opposite deviation of " separating brake " position slightly downwards, but Substantially identical as " separating brake " position.In order to guarantee circuit-breaker switching on-off in place, slipper push circuit breaker handle movement stroke with Breaker is interference fit in place：In the position Fig. 6 a, cam 4 moves downward in driving sliding block 2 and completes pulling again for breaker At the end of making stroke, i.e., when breaker detains completion again, one end of 4 center of rotation of close cam in driving boss 42 and separating brake face 23 End contact, at this point, circuit breaker handle is downward across the open position of breaker, so that breaker completion is detained again, when convex Wheel 4 continues to rotate, so that driving boss 42 is separated with separating brake face 23, when transmission connection disconnects, sliding block 2 loses driving boss 42 Limitation, sliding block 2 will slide micro-stroke slightly upwards, stablize in breaker " separating brake " position；Equally, convex in the position Fig. 7 a Wheel 4 drive sliding block 2 move upwards complete breaker feed motion stroke at the end of, i.e., breaker closing in place when, driving Boss 42 is contacted with one end end of 4 center of rotation of close cam in combined floodgate face 22, at this point, circuit breaker handle up over The closing position of breaker guarantees that breaker reliably closes a floodgate, when cam 4 continues to rotate, so that driving boss 42 and combined floodgate face 22 Separation, when transmission connection disconnects, sliding block 2 loses the limitation of driving boss 42, and sliding block 2 will slide micro-stroke slightly downwards, Stablize in breaker " combined floodgate " position.

When breaker is in closing position, as shown in Figure 7a, when carrying out electronic separating brake/detain operation again, electric machine assembly 20 will Torque is transferred to cam 4, and band moving cam 4 rotates clockwise, and the driving boss 42 on cam 4 is rotated with cam, with sliding block 2 Separating brake face 23, which contacts, simultaneously pushes sliding block 2 to move downward, and drives and covers circuit breaker handle in sliding block square hole 24 and carry out separating brake/detain again Operation；Manual operation swing rod 10 is driven to make clockwise oscillation simultaneously, the synchronous hunting therewith of handle 9, manual operation input terminal 91 Instruction moves to the position Fig. 6 b from the position Fig. 7 b.In the position Fig. 6 a, cam 4 moves downward in driving sliding block 2 and completes breaker At the end of detaining actuating length again, i.e., when breaker detains completion again, drive 4 center of rotation of close cam of boss 42 and separating brake face 23 The contact of one end end, at this point, circuit breaker handle is downward across the open position of breaker, so that breaker is completed again Button, when cam 4 continues to rotate, so that driving boss 42 is separated with separating brake face 23, arrival separating brake disengaging configuration, transmission connection is broken It opens, sliding block 2 loses the limitation of driving boss 42, and sliding block 2 will slide slightly upwards micro-stroke with circuit breaker handle, stablizes In breaker " separating brake " position, by the transparent tegillum 81 on lid 8 it can be seen that the arrow on manual operation input terminal 91 indicates Label is directed toward the open position label in corresponding the cover, such as Fig. 6 b.

When breaker is in open position as shown in Figure 6 a, when need to carry out electric switch-on operation, electric machine assembly 20 will be turned round Square is transferred to cam 4, and band moving cam 4 rotates clockwise, and the driving boss 42 on cam 4 is rotated with cam, the conjunction with sliding block Brake surface 22 contacts and sliding block is pushed to travel forward, and the circuit breaker handle covered in sliding block square hole 24 is driven to carry out closing operation；Together When drive manual operation swing rod 10 to make counter-clockwise swing, the synchronous hunting therewith of handle 9.In the position Fig. 7 a, cam 4 is in driving sliding block At the end of 2 move upwards the feed motion stroke for completing breaker, i.e., breaker closing in place when, driving boss 42 and combined floodgate face One end end of 22 4 center of rotation of close cam contacts, and cam 4 continues to rotate, so that driving boss 42 divides with combined floodgate face 22 From arrival combined floodgate disengaging configuration, transmission connection disconnects, and sliding block 2 is stablized in breaker " combined floodgate " position.By transparent on lid 8 Tegillum 81 is it can be seen that the arrow cue mark on manual operation input terminal 91 is directed toward the closing position label in corresponding the cover, such as Fig. 7 b.

It, will be transparent small in lid 8 when carrying out manual brake separating/detain operation again in breaker closing position as shown in Figure 7b Lid 81 is opened, and is exposed the manual operation input terminal 91 of handle 9, is pulled the manual operation input terminal 91 and make clockwise oscillation, with hand The manual operation output end 102 of dynamic 91 synchronous hunting of operation input end pushes 2 slide downward of sliding block to lower swing therewith, drives set Circuit breaker handle in sliding block square hole 24 carries out separating brake/detain operation again；The combined floodgate face 22 of sliding block and the driving boss 42 of cam It being detached from, i.e., the slide downward of sliding block 2 will not interfere with static driving boss 42 at this time, the powered part component of transmission mechanism, If cam, reduction assemblies and electric machine assembly and sliding block are detached from, manual operation separating brake/detain again will not be interfered.Breaker open operation/detain again After in place, the open position label that the cue mark on input terminal 91 is directed toward in corresponding the cover is manually operated, such as Fig. 6 b.

When closing by hand operates, the transparent tegillum 81 in lid 8 is opened, exposes the manual operation input terminal 91 of handle 9, pulls It moves the manual operation input terminal 91 and makees counter-clockwise swing, the manual operation output end with manual operation 91 synchronous hunting of input terminal 102 are swung up promotion 2 upward sliding of sliding block therewith, and the circuit breaker handle covered in sliding block square hole 24 is driven to carry out combined floodgate behaviour Make；The driving boss 42 of the separating brake face 23 of sliding block and cam is detached from, i.e., the sliding of sliding block 2 at this time with static driving cam 42 not It can contact, the powered part component of transmission mechanism, if cam, reduction assemblies and electric machine assembly and sliding block disengaging act on, Bu Huifang Manual operation is hindered to be closed a floodgate.Breaker closing in place after, be manually operated input terminal 91 on cue mark（Arrow）It is directed toward corresponding cover The closing position label covered, such as Fig. 7 b.

In breaker closing position, when circuit breaker tripping, circuit breaker handle is moved downward, band movable slider 2 move downward from And swing rod 10 is driven to rotate clockwise, and then drive Manual operation wrench（Handle 9）Make clockwise oscillation.The separating brake face of sliding block 23, combined floodgate face 22 is detached from driving boss 42, i.e., the slide downward of sliding block 2 will not connect with static driving cam 42 at this time Touching, the powered part component of transmission mechanism such as cam, reduction assemblies and electric machine assembly and sliding block disengaging act on, and will not interfere sliding block Slide downward.Circuit breaker tripping in place after, sliding block stops sliding with circuit breaker handle stop motion, and handle stops swinging, lead to Crossing transparent tegillum can be seen that：The cue mark on input terminal 91 is manually operated（Arrow）The trip positions being directed toward in corresponding the cover Label.

Certainly, the operating mechanism of the application is not limited to the application on breaker of plastic casing, can also be applied to only have " conjunction ", " dividing " two positions, in the disconnecting switch without " buckle position ", switch described herein is in first position, the second position Between convert, refer to switch change position possessed by range, herein i.e. finger disconnecting switch in " conjunction ", " dividing " two positions Between convert.

Claims (4)

1. a kind of slide block device of operating mechanism, including the guiding axis (3) that is fixed on the bottom plate (1) of operating mechanism and for Guiding axis (3) cooperation and sliding block (2) that can be reciprocating along guiding axis (3), it is characterised in that：It is opened on the sliding block (2) Equipped with open slot (21), the open slot (21) extends along the direction of motion of sliding block (2), and guiding axis (3) is installed in open slot (21) after in, guiding axis (3) in the radial direction, the opening face of the outer surface (32) of guiding axis (3) and open slot (21) (26) flush or be exposed to opening face (26) outside.

2. a kind of slide block device of operating mechanism according to claim 1, it is characterised in that the radial direction in open slot (21) In plane, opening face (26) is in the trend shunk relative to the inside of open slot (21), so that guiding axis (3) is installed in open slot (21) after in, open slot (21) has the function of radially limiting to guiding axis (3).

3. a kind of slide block device of operating mechanism according to claim 2, it is characterised in that the cross of the guiding axis (3) Section is rounded, and the profile of the open slot (21) is in arc-shaped in sagittal plane, which is one excellent greater than semicircle Arc, using guiding axis (3) circular center in cross section as the center of circle, central angle is between 180 ° to 360 °.

4. a kind of slide block device of operating mechanism according to claim 2, it is characterised in that the cross of the guiding axis (3) Section is trapezoidal, and the profile of the open slot (21) is trapezoidal in sagittal plane, guiding axis (3) trapezoidal bottom and opening The trapezoidal bottom of slot (21) matches, and the trapezoidal height of guiding axis (3) is greater than open slot (21) trapezoidal height, so that guiding axis (3) trapezoidal upper bottom is exposed to opening face (26) outside.