CN116130310A - External electric operating device and breaker using same - Google Patents

Abstract

The application relates to an external electric operating device and use this operating device's circuit breaker is applied to circuit breaker technical field, and it includes an external electric operating device, including the casing and the mounting panel of being built-in the casing, be equipped with on the mounting panel: the energy storage mechanism comprises an energy storage component for pushing the handle and a holding component for enabling the energy storage component to generate or release potential energy; the driving mechanism comprises a driving assembly, a gear assembly driven by the driving assembly, a ratchet assembly driven by the gear assembly and an asynchronous gear driven by the ratchet assembly, wherein the asynchronous gear drives the retaining assembly to move, and the movement of the retaining assembly enables the energy storage assembly to store energy or release potential energy; the release mechanism comprises a trigger disc synchronously driven by an asynchronous gear, a limiting component for limiting the rotation of the trigger disc, and a release component for driving the limiting component to be separated from the limiting position of the trigger disc. The energy storage and switching-on device can store energy first and then switch on, and the switching-on action is performed based on a larger potential energy condition, so that the switching-on speed is high.

Description

External electric operating device and breaker using same

Technical Field

The application relates to the technical field of low-voltage circuit breakers, in particular to an external electric operating device and a circuit breaker using the same.

Background

The low-voltage circuit breaker mainly plays roles of overload, undervoltage and short-circuit protection of distribution lines and electric equipment. The plastic handle is arranged outside the low-voltage circuit breaker and can be manually operated to realize the opening or closing of the low-voltage circuit breaker.

In order to improve the intelligent degree of the low-voltage circuit breaker, the external handle of the low-voltage circuit breaker is subjected to structural optimization, namely the external electric operating device is used as an external accessory of the low-voltage circuit breaker, and the opening or closing of the low-voltage circuit breaker is controlled in an electric control mode.

The external electric operating device can realize opening and closing actions in an electric mode, but the transmission ratio is always a fixed value due to the continuity of a transmission structure, forward transmission or reverse transmission is limited by the fixed transmission ratio, the transmission speed is affected due to the lamination of the transmission structure, the closing speed of a handle is low, and then the closing speed inside the low-voltage circuit breaker is affected.

Disclosure of Invention

In order to improve the closing speed of a low-voltage circuit breaker in an electric control mode, the application provides an external electric operation device.

The application provides an external electric operating device, adopts following technical scheme:

an external electric operating device comprises a shell, wherein the shell is internally provided with:

the energy storage mechanism comprises an energy storage component for pushing the handle and a holding component for enabling the energy storage component to generate or release potential energy;

the driving mechanism comprises a driving assembly, a gear assembly driven by the driving assembly and an asynchronous gear driven by the gear assembly, wherein the asynchronous gear drives the holding assembly to move, and the movement of the holding assembly enables the energy storage assembly to store energy or release potential energy;

the release mechanism comprises a trigger disc synchronously driven by an asynchronous gear, a limiting component for limiting the rotation of the trigger disc, and a release component for driving the limiting component to be separated from the limiting position of the trigger disc, when the trigger disc is separated from the limiting position of the limiting component, the energy storage component releases potential energy, and the energy storage component enables the handle to turn to the closing direction;

the shell is provided with a closing button and an energy storage button, the closing button is used for triggering the closing linkage of the handle, and the energy storage button is used for triggering the energy storage mechanism after the handle is opened to store energy.

By adopting the technical scheme, each electric control structure is integrated in the shell, and the operation is convenient and labor-saving. Specifically, the driving component can be one or more motors, the motors drive the gear components to realize power transmission, meanwhile, the gear components reduce and boost force, finally, the gear components drive the asynchronous gears to move, when the asynchronous gears rotate, the asynchronous gears synchronously move through the holding component connected with the asynchronous gears through keys, the holding component drives the energy storage component to store potential energy, in order to store the potential energy and release the potential energy when necessary, the release mechanism has potential energy holding and potential energy releasing capacity, specifically, the trigger disc synchronously rotates with the asynchronous gears, the trigger disc is limited to rotate by the limiting component, the limiting component releases the limiting state through the release component, so that potential energy release is realized, namely, when the trigger disc is separated from the limit of the limiting component, the energy storage component releases the potential energy, the closing action is directly completed without the transmission of the transmission structure one by one, and the fixed transmission ratio is broken away; the action of the switching-on key on the shell is to realize quick handle switching-on linkage, when the switching-on key is pressed down, the energy storage component releases potential energy to enable the handle to be switched on quickly, the action of the energy storage key is to realize switching-off linkage of the handle, and the potential energy release and switching-on actions are realized by starting the driving component; the overall opening action is stable, and the closing action is rapid.

In a specific implementation manner, the energy storage assembly comprises an energy storage frame, an energy storage sliding seat and an energy storage spring, wherein the energy storage sliding seat is connected with the energy storage frame in a sliding manner, and the energy storage spring drives the energy storage sliding seat to slide;

the retaining assembly comprises an eccentric cam which is used for abutting against the wall surface of the energy storage sliding seat, and when the eccentric cam is separated from the wall surface of the energy storage sliding seat, the energy storage spring releases elastic potential energy.

By adopting the technical scheme, the whole energy storage component is used for storing potential energy, the handle is quickly controlled to be switched on by releasing the potential energy, the transmission path of another driving mechanism is not needed, and the transmission speed is lost; the eccentric cam drives the energy storage slide to move, the whole energy storage rack is fixed with the mounting plate, the energy storage slide is in sliding connection with the energy storage rack, the energy storage slide stretches the energy storage spring to generate elastic potential energy, at the moment, if the eccentric cam crosses the abutting surface of the energy storage slide, the energy storage slide is not restrained any more, the energy storage spring rapidly releases potential energy to pull the energy storage slide to slide, and accordingly the handle is driven to rapidly rotate, and the aim of rapidly closing is achieved.

In a specific implementation manner, the energy storage sliding seat is extended with a half pushing plate, an abutting wheel for pushing the half pushing plate is arranged outside the rotating shaft of the eccentric cam, and when the abutting wheel slides out from the side surface of the half pushing plate, the energy storage component releases potential energy.

By adopting the technical scheme, the width of the half push plate extending from the energy storage sliding seat is smaller than the width of the half push plate extending from the energy storage sliding seat, the abutting wheels abut against the wall surface of the half push plate, and as the abutting wall surface is smaller, when the abutting wheels push the half push plate to the farthest position, the abutting wheels further move to separate from the abutting relation, and after the half push plate is separated from the abutting relation, the energy storage sliding seat moves rapidly by utilizing potential energy released by the energy storage component, so that the action of rapid closing is realized; the half push plate and the abutting wheels are arranged, so that the release action reaction of the internal potential energy is more timely, and the reason that the energy storage structure can rapidly release the potential energy is reflected.

In a specific implementation, the driving mechanism further comprises a ratchet assembly, the ratchet assembly comprises a ratchet plate and a ratchet shaft driven by unidirectional rotation of the ratchet plate, a ratchet groove is formed in the ratchet plate, a clutch groove is formed in the ratchet shaft in the radial direction, a clutch ball rolls in the clutch groove, and a clutch spring for pushing the clutch ball into the clutch groove is arranged in the clutch groove.

By adopting the technical scheme, the ratchet wheel component is designed to normally transmit when storing energy, and when releasing potential energy, the ratchet wheel component does not transmit transmission force back to the driving component, and the fixed transmission ratio is eliminated, so that transmission resistance is reduced, the action of releasing potential energy is smoother, and the closing is quicker; the ratchet wheel component conducts acting force in a one-way, the ratchet wheel component idles in the reverse direction, the ratchet wheel plate extrudes the clutch ball through the ratchet wheel groove during the reverse direction, the clutch ball is extruded back into the clutch groove, and the clutch ball is in an exposed state through the clutch spring during the forward direction, and the ratchet wheel groove can be pushed by the clutch ball; the ratchet shaft idles, so that the transmission obstruction suffered by the whole potential energy release is reduced, and the purpose of quickly releasing the potential energy is achieved; in the specific structure, the ratchet plate drives the ratchet shaft to rotate unidirectionally to store energy, and the ratchet shaft cannot drive the ratchet plate to rotate when rotating in the same direction, so that the conduction force is reduced, and potential energy is released more rapidly; the structure is characterized in that the energy storage spring can cross the highest point of potential energy, and after crossing the highest point of potential energy, the energy storage spring can keep potential energy by the aid of the retaining assembly, and the torsion direction of the energy storage spring to the asynchronous gear enables the steering of the asynchronous gear when the potential energy is released to be always identical with the steering of the asynchronous gear when the energy storage action is performed.

In a specific implementation mode, a mounting plate is arranged in the shell, and the limiting assembly comprises a first limiting buckle rotationally connected with the mounting plate, a second limiting buckle rotationally connected with the mounting plate and a tripping seat slidingly connected with the mounting plate; the unlocking seat drives the second limit buckle to rotate when moving, the second limit buckle drives the first limit buckle to rotate when rotating, and the rotation constraint of the first limit buckle on the trigger disc is released when the first limit buckle rotates; the closing button is used for driving the tripping seat to move.

By adopting the technical scheme, the structure double-jump is mainly used for triggering the closing action, and the double-jump design aims at triggering the action of releasing potential energy and avoiding false jump to a certain extent; after a specific closing button is pressed, the tripping seat is pushed again, after the tripping seat is pushed, the first limiting buckle rotates again, the first limiting buckle rotates for a certain angle and then trips with the first limiting buckle, so that the first position is unlocked, the second limiting buckle can rotate at the moment, the second limiting buckle rotates for a certain angle and trips with the trigger disc, so that the second position is unlocked, and the potential energy of the energy storage component is released at the moment. The double-jumping action allows the first limit button and the second limit button to have certain rotation virtual positions, and the slight pressing of the closing button can not trigger a series of actions of the energy storage component, so that the state is stable in general, and the closing button is rapidly closed when triggered.

In a specific implementation manner, the shell is provided with an outer through groove, the ratchet assembly is communicated with the outside of the shell through the outer through groove, and one surface of the ratchet assembly, which is arranged outside the outer through groove, is provided with a rotary groove.

Through adopting above-mentioned technical scheme, outside leading to the groove and letting the casing communicate with each other inside and outside, operating personnel can be through rotatory groove realization manual energy storage, get a instrument promptly, for example, the hexagon socket head cap screw driver is rotatory to rotatory groove, drives subsequent structure linkage, realizes the manual energy storage of energy storage subassembly, also can manual energy storage under the circumstances of drive assembly power failure.

In a specific implementation manner, an outer baffle plate for shielding the rotating groove is arranged in the shell in a sliding mode, an operation block penetrating out of the shell is arranged on the outer baffle plate, and an operation groove for the operation block to slide is arranged on the shell.

Through adopting above-mentioned technical scheme, gliding outer baffle can shelter from the rotary groove in the casing, and the rotary groove can't obtain the application of force point after being sheltered from, and scratch outer baffle again when needs, establish interim barrier through outer baffle, restrict the use of manual energy storage.

In a specific embodiment, the shell is slidably provided with an inner baffle plate for shielding the rotary groove, an inner pushing spring for pushing one side of the inner baffle plate and a locking assembly for pushing the other side of the inner baffle plate; the inner baffle plate is limited by sliding the pressing of the involution key and the energy storage key.

Through adopting above-mentioned technical scheme, there is interior baffle in the casing, this interior baffle has the function of multidimensional limit operation, utilizes to block the position adjustment of subassembly realization interior baffle, when interior baffle removes and shelter from the rotary groove, then operating personnel can't insert the instrument and operate the rotary groove, just also can't manual energy storage, secondly, interior baffle is spacing to the pressing of closing button and energy storage button, consequently closing button and energy storage button can't push down when the baffle constitutes spacingly including, forms manual operation's further restraint.

In a specific embodiment, the locking assembly comprises a locking plate slidably coupled within the housing and a locking lever for engaging a trip key of the circuit breaker, the locking plate for pushing the inner barrier;

the lock plate is provided with a hanging lock hole, and a rotary lock tongue driven by the lock plate to push the lock rod is arranged in the shell; when the lock plate slides outwards relative to the shell, the padlock Kong Waizhi is hung, the rotary lock tongue is pushed by the lock plate and presses the lock rod downwards, and when the lock plate slides inwards relative to the shell, the padlock is internally arranged, and the rotary lock tongue is separated from the lock plate and does not press the lock rod any more;

and a reset spring for pushing the lock rod to be far away from a tripping key of the circuit breaker is arranged in the shell.

By adopting the technical scheme, the lock plate and the lock rod bear different functions, the lock rod can directly touch the tripping key of the circuit breaker to realize emergency tripping, and after the lock plate slides upwards, the lock plate can realize physical locking through the padlock hole to avoid manual operation; meanwhile, the locking plate can synchronously push the inner baffle after sliding outwards, so that synchronous physical locking is realized; on the contrary, when the lock plate slides towards the shell and is in an unlocking state, the reset spring pushes the inner baffle plate to enable the inner baffle plate to be separated from the limiting position, so that unlocking is realized; the external physical lock can realize unlocking and multiple locking so as to protect the device.

The application also provides a circuit breaker, and the external electric operation device is applied.

By adopting the technical scheme, the circuit breaker is applied with the external electric operation device, so that the switching-on is quicker.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the external electric operation device can store energy and then switch on, and switch on based on a larger potential energy condition, so that the external electric operation device spans the fixed transmission ratio of original continuity and has high switching on speed;

2. the potential energy releasing logic of the external electric operating device is optimized, potential energy is stored and released in a mode that an energy storage structure crosses a critical point, and the structural transmission resistance of reverse transmission during potential energy release is reduced by using the ratchet wheel assembly, so that the potential energy is released rapidly;

3. the switching-on adopts double-jump logic, so that potential energy release of the energy storage component is stable and reliable;

4. the external manual energy storage structure is arranged, the operation logic is further optimized, and the operation logic is optimized for the structure with multiple physical locks for manual energy storage, and meanwhile, a limiting scheme is established, so that the implementation safety of the whole scheme is improved.

Drawings

Fig. 1 is a schematic diagram of an assembly structure of an external electric operating device and a circuit breaker according to embodiment 1 of the present application.

Fig. 2 is a schematic diagram of a split structure of an external electric operation device and a circuit breaker according to embodiment 1 of the present application.

Fig. 3 is a schematic structural view showing the internal structure of embodiment 1 of the present application.

Fig. 4 is a schematic structural view showing a driving mechanism according to embodiment 1 of the present application.

Fig. 5 is a schematic view showing a structure of a ratchet assembly according to embodiment 1 of the present application.

Fig. 6 is a schematic structural diagram of an energy storage mechanism according to embodiment 1 of the present application.

Fig. 7 is a schematic structural view showing a holding member according to embodiment 1 of the present application.

Fig. 8 is a schematic structural diagram of a limiting assembly according to embodiment 1 of the present application.

Fig. 9 is a schematic structural view showing a release member according to embodiment 1 of the present application.

Fig. 10 is a schematic structural diagram of a lockout assembly in embodiment 1 of the present application.

Fig. 11 is a schematic diagram showing an internal structure of a lockout assembly in embodiment 1 of the present application.

Fig. 12 is a schematic structural view of an inner baffle according to embodiment 1 of the present application.

Fig. 13 is a schematic structural view of an external baffle according to embodiment 1 of the present application.

Reference numerals illustrate: 1. a circuit breaker; 11. a handle; 12. a trip key; 2. a housing; 21. closing a key; 22. an energy storage key; 23. an outer through groove; 24. an outer baffle; 241. an operation block; 242. an outer stopper; 25. an inner baffle; 251. an inner stopper; 26. an inward pushing spring; 27. hanging lugs; 28. an operation groove; 3. a mounting plate; 31. a chute; 4. an energy storage mechanism; 41. an energy storage assembly; 411. an energy storage rack; 412. an energy storage slide seat; 413. an energy storage spring; 414. a half pushing plate; 42. a retention assembly; 421. an eccentric cam; 422. a contact wheel; 423. an energy storage shaft; 5. a driving mechanism; 51. a drive assembly; 511. a motor; 52. a gear assembly; 521. a first gear; 522. a second gear; 523. a third gear; 53. a ratchet assembly; 531. a ratchet plate; 532. ratchet grooves; 533. a ratchet shaft; 534. a clutch groove; 535. a clutch ball; 536. a clutch spring; 537. a rotary groove; 538. a fourth gear; 54. an asynchronous gear; 541. an idle rotation port; 55. an intermediate gear; 6. a release mechanism; 61. triggering a disc; 611. a positioning buckle; 62. a limit component; 621. the first limit button; 622. the second limit button; 624. a relief groove; 63. a release assembly; 631. a trip seat; 71. a lockout assembly; 711. a lock plate; 712. a lock lever; 713. rotating the lock tongue; 714. a hanging lock hole; 715. a return spring; 716. and (5) an inner pushing block.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

Example 1:

referring to fig. 1 and 2, an external electric operating device is mounted on a circuit breaker 1. The handle 11 of the circuit breaker 1 is pushed by the inside of the external electric operation device, so as to control the circuit breaker 1 to complete the opening and closing actions.

Referring to fig. 2 and 3, the external electric operating device comprises a housing 2, a mounting plate 3 is arranged in the housing 2, a driving mechanism 5, an energy storage mechanism 4 and a release mechanism 6 are arranged on the mounting plate 3, the driving mechanism 5 enables the energy storage mechanism 4 to generate potential energy and store the potential energy, the release mechanism 6 is used for triggering the action of the energy storage mechanism 4 to enable the energy storage mechanism 4 to release the potential energy, and a handle 11 is enabled to be turned to a closing direction of the circuit breaker 1 when the energy storage mechanism 4 releases the potential energy. The shell 2 is provided with a closing button 21 and an energy storage button 22, the closing button 21 is used for triggering the closing linkage of the handle 11, and the energy storage button 22 is used for triggering the energy storage action of the energy storage mechanism 4 after the handle 11 is separated.

Referring to fig. 4 and 5, the drive mechanism 5 includes a drive assembly 51, a gear assembly 52, and a ratchet assembly 53 in a driving relationship. The driving assembly 51 comprises two motors 511, and after the energy storage key 22 is pressed down, the output shafts of the two motors 511 rotate in the same direction; the gear assembly 52 includes a first gear 521, a second gear 522, and a third gear 523 that sequentially mesh, three-stage transmission reduction and increase forces. The ratchet assembly 53 comprises a ratchet plate 531 and a ratchet shaft 533, wherein a ratchet groove 532 is arranged in the ratchet plate 531, a clutch groove 534 is arranged in the ratchet shaft 533 along the radial direction, a clutch ball 535 and a clutch spring 536 pushing the clutch ball 535 are rolled in the clutch groove 534, and the clutch spring 536 pushes the clutch ball 535 to always abut against the inner wall of the clutch groove 534. When the ratchet plate 531 rotates along the m direction, the ratchet shaft 533 is driven to rotate synchronously by the clutch ball 535, and when the ratchet plate 531 rotates reversely along the m direction, the ratchet shaft 533 cannot be driven to rotate.

Referring to fig. 5 and 6, a fourth gear 538 is coaxially fixed to the ratchet shaft 533, the fourth gear 538 is engaged with the intermediate gear 55, the intermediate gear 55 drives the asynchronous gear 54 to rotate, the asynchronous gear 54 is used for driving the energy storage assembly 41 to act and generate potential energy, that is, the asynchronous gear 54 is used for receiving the driving force between the driving mechanism 5 and the energy storage mechanism 4. The energy storage mechanism 4 includes an energy storage assembly 41 and a holding assembly 42; the energy storage assembly 41 comprises an energy storage rack 411, an energy storage sliding seat 412 in sliding connection with the energy storage rack 411, and a plurality of energy storage springs 413 for driving the energy storage sliding seat 412 to slide; the energy storage frame 411 is fixedly connected with the mounting plate 3, two guide posts are fixedly arranged on the energy storage frame 411, the energy storage sliding seat 412 slides along the guide posts, one end of the energy storage spring 413 is hung on the energy storage frame 411, the other end of the energy storage spring 413 is hung on the energy storage sliding seat 412, and the energy storage spring 413 drives the energy storage sliding seat 412 to slide towards the energy storage frame 411. When the energy storage sliding seat 412 slides towards the energy storage frame 411, the pushing handle 11 rotates towards the closing direction, and when the energy storage sliding seat 412 slides away from the energy storage frame 411, the pushing handle 11 moves towards the opening direction, and meanwhile the energy storage spring 413 is stretched to generate elastic potential energy.

Referring to fig. 6 and 7, the holding assembly 42 includes an energy storage shaft 423, an eccentric cam 421 connected to the energy storage shaft 423, and the energy storage shaft 423 is coaxially coupled with an asynchronous gear 54 (see fig. 5). The eccentric point of the eccentric cam 421 is rotationally connected with a collision wheel 422, the collision wheel 422 collides on the energy storage sliding seat 412 to form a unique pushing point, in order to increase the sliding span of the energy storage sliding seat 412, the energy storage sliding seat 412 is extended with a half pushing plate 414 for pushing the collision wheel 422, the thickness of the half pushing plate 414 is thicker, the width of the half pushing plate 414 is smaller than that of the energy storage sliding seat 412, when the collision wheel 422 slides out from the side surface of the half pushing plate 414, the energy storage sliding seat 412 is quickly pulled back by the energy storage spring 413, and the energy storage assembly 41 releases potential energy to realize quick closing action.

Referring to fig. 8 and 9, the release mechanism 6 includes a trigger plate 61, a limit assembly 62, and a release assembly 63; the trigger plate 61 is driven by asynchronous gear 54 in step, the periphery of trigger plate 61 is equipped with location knot 611, spacing subassembly 62 includes first spacing knot 621, second spacing knot 622, first spacing knot 621, second spacing knot 622 all rotates with mounting panel 3 to be connected, first spacing knot 621 is spacing to the rotation of trigger plate 61 through location knot 611, second spacing knot 622 is contradicted at the outer edge of the axis of first spacing knot 621, the shaft body part of second spacing knot 622 has been seted up and has been stepped down groove 624, after the anticlockwise rotation certain angle of second spacing knot 622, first spacing knot 621 can be shifted into and stepped down groove 624, the restraint of location knot 611 is released simultaneously. The mounting plate 3 is provided with a chute 31, a trip seat 631 is slidably connected in the chute 31, and the trip seat 631 is used for driving the second limit buckle 622 to rotate. When the closing button 21 is pressed down, the trip seat 631 is pushed to move forward through the guide inclined plane, and the trip seat 631 drives the limiting component 62 to realize double-jump unlocking, so that misoperation caused by single-buckle unlocking is avoided. In order to realize the self-resetting of the first limiting buckle 621, the first limiting buckle 621 is separated from the yielding groove 624 and is positioned outside the shaft body of the second limiting buckle 622, and the first limiting buckle 621 is wound with a torsion spring to enable the first limiting buckle 621 to rotate along the direction a, so that the first limiting buckle 621 is separated from the yielding groove 624 and is prepared in advance for the next energy storage.

In order to achieve manual energy storage, referring to fig. 5, a rotating groove 537 is provided on the ratchet shaft 533, and the rotating groove 537 is of an inner hexagonal structure, and an inner hexagonal wrench can be inserted into the rotating groove 537 to rotate the ratchet shaft 533. The ratchet shaft 533 directly drives the intermediate gear 55, and the intermediate gear 55 drives the asynchronous gear 54 to rotate. Referring to fig. 2, the casing 2 is provided with an outer through groove 23, and the rotary groove 537 is communicated with the outer through groove 23, so that an operator can insert an inner hexagonal wrench to perform manual energy storage operation.

Referring to fig. 4 and 7, the asynchronous gear 54 has an incomplete tooth structure, the outer peripheral surface of the asynchronous gear 54 is provided with an idle rotation opening 541, after the intermediate gear 55 rotates into the idle rotation opening 541, the intermediate gear 55 will not drive the asynchronous gear 54 to rotate, at this time, the eccentric cam 421 also rotates to the energy storage position, and the asynchronous gear 54 has a tendency to rotate further clockwise due to the potential energy of the energy storage spring 413, but the trigger disc 61 cannot rotate under the overall constraint of the limiting assembly 62. The idle rotation port 541 can avoid excessive rotation of the eccentric cam 421 caused by continuous rotation during electric or manual energy storage, so that the stored potential energy is released in advance, or the structure of the limiting assembly 62 is damaged, and after the potential energy is released, the asynchronous gear 54 will reengage the intermediate gear 55, but the final energy storage position is not affected, so that the intermediate gear 55 enters the idle rotation port 541, and energy can be stored smoothly.

Referring to fig. 10 and 11, a locking assembly 71 is provided on the housing 2, the locking assembly 71 includes a locking plate 711 and a locking rod 712 slidably connected in the housing 2, a rotary locking bolt 713 is provided in the housing 2, and pulling up the locking plate 711 drives the rotary locking bolt 713 to rotate, thereby pushing the locking rod 712 to push down, and the locking rod 712 pushes down the trip key 12 touching the circuit breaker 1. The lock plate 711 is provided with a padlock hole 714, and after the lock plate 711 slides outwards, the padlock hole 714 is arranged externally, so that the lock can be locked through the padlock. The sliding of the locking plate 711 drives the locking rod 712 to move, and a return spring 715 is arranged in the housing 2, and the return spring 715 pushes the locking rod 712 away from the trip key 12 of the circuit breaker 1.

Referring to fig. 12, an inner baffle 25 and an inner pushing spring 26 pushing the inner baffle 25 are slidably connected in the housing 2, and an inner pushing block 716 is extended inward on the locking plate 711, and an inclined surface of the inner pushing block 716 abuts against a side surface of the inner baffle 25, so that the inner baffle 25 is pushed to slide. The inner baffle 25 is used for shielding the rotary groove 537, and simultaneously has two inner stoppers 251 extending to the lower sides of the switch-on key 21 and the energy storage key 22, and the pressing limit of the switch-on key 21 and the energy storage key 22. When the lock plate 711 is pulled up, the inner shutter 25 slides to one side against the resistance of the inner push spring 26 in the illustrated state, shielding the rotation groove 537 and limiting the pressing of the pair of switch keys 21 and the energy storage key 22. When the lock plate 711 slides down, the inner pushing spring 26 pushes the inner baffle 25 away, the rotating groove 537 is not blocked, and the limit of the closing button 21 and the energy storage button 22 is released, so that the lock plate can be pressed down.

Referring to fig. 13, an outer baffle 24 is slidably connected to the housing 2, an operation block 241 capable of penetrating out of the housing 2 is provided on the outer baffle 24, an operation groove 28 for sliding the operation block 241 is provided on the housing 2, and the outer baffle 24 has an outer baffle 242 extending to the lower sides of the closing button 21 and the energy storage button 22. The outer baffle 24 can also block the rotary groove 537 by sliding, and limit the closing key 21 and the energy storage key 22. In order to realize additional locking, the housing 2 is provided with a hanging lug 27 beside the operation slot 28, and the hanging lug 27 can be locked when aligned with the operation block 241, and at this time, the rotation slot 537 is blocked, and the energy storage key 22 and the closing key 21 cannot be pressed down, i.e. cannot be operated.

The implementation principle of the embodiment of the application is as follows:

1. regarding the electric energy storage action: when the energy storage key 22 is pressed down, the motor 511 starts and drives the gear assembly 52 to rotate, the gear assembly 52 drives the ratchet assembly 53 to rotate, the ratchet assembly 53 drives the asynchronous gear 54 to rotate, the asynchronous gear 54 and the trigger disc 61 rotate synchronously, wherein when the intermediate gear 55 rotates to the idle rotation port 541, the positioning buckle 611 on the trigger disc 61 is abutted to the first limit buckle 621, and the first limit buckle 621 is restrained by the second limit buckle 622; the rotation of the asynchronous gear 54 drives the eccentric cam 421 to rotate, the eccentric cam 421 pushes the half push plate 414 through the abutting wheel 422, so that the energy storage sliding seat 412 is pushed away, the energy storage spring 413 is stretched to store elastic potential energy, and when the positioning buckle 611 abuts against the first limiting buckle 621, the eccentric cam 421 rotates and crosses the maximum stretching point.

2. Regarding the manual energy storage action: the outer baffle 24 is slid out, the outer baffle 24 is exposed out of the rotary groove 537, the lock plate 711 is slid in, the inner baffle 25 is exposed out of the rotary groove 537, the ratchet shaft 533 is rotated by using the inner hexagonal wrench, and the ratchet shaft 533 drives the asynchronous gear 54 through the intermediate gear 55, so that the energy storage action is realized.

3. Regarding potential energy release, pressing the closing button 21, the closing button 21 links the first limit button 621 to close the second limit button 622 to release the constraint of the positioning button 611, the trigger disc 61 recovers the rotation freedom degree, the abutting wheel 422 is separated from the abutting surface of the half push plate 414, the energy storage sliding seat 412 slides and closes by utilizing the potential energy of the energy storage spring 413, and in the process, the transmission force of the asynchronous gear 54 is not transduced to the gear assembly 52 due to the existence of the ratchet assembly 53, so that the loss of potential energy is reduced.

Example 2: a circuit breaker, employing embodiment 1 above.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (10)

1. An external electric operating device is characterized by comprising a shell (2), wherein the shell (2) is internally provided with:

an energy storage mechanism (4) comprising an energy storage assembly (41) for pushing the handle (11), a holding assembly (42) for causing the energy storage assembly (41) to generate or release potential energy;

the driving mechanism (5) comprises a driving assembly (51), a gear assembly (52) driven by the driving assembly (51) and an asynchronous gear (54) driven by the gear assembly (52), wherein the asynchronous gear (54) drives the retaining assembly (42) to move, and the movement of the retaining assembly (42) enables the energy storage assembly (41) to store energy or release potential energy;

the release mechanism (6) comprises a trigger disc (61) synchronously driven by an asynchronous gear (54), a limiting component (62) for limiting rotation of the trigger disc (61) and a release component (63) for driving the limiting component (62) to be separated from the limiting position of the trigger disc (61), when the trigger disc (61) is separated from the limiting position of the limiting component (62), the energy storage component (41) releases potential energy, and the energy storage component (41) enables the handle (11) to be turned to a closing direction;

be equipped with on casing (2) and close on button (21) and energy storage button (22), the combined floodgate linkage that closes on button (21) are used for trigger handle (11), and energy storage button (22) are used for energy storage mechanism (4) energy storage after trigger handle (11) separating brake.

2. The external electric operating device according to claim 1, wherein: the energy storage assembly (41) comprises an energy storage frame (411), an energy storage sliding seat (412) which is connected with the energy storage frame (411) in a sliding manner, and an energy storage spring (413) which drives the energy storage sliding seat (412) to slide, wherein the energy storage sliding seat (412) is used for being arranged in the handle (11) and is used for driving the handle (11) to rotate;

the retaining assembly (42) comprises an eccentric cam (421), wherein the eccentric cam (421) is used for abutting against the wall surface of the energy storage sliding seat (412), and when the eccentric cam (421) is separated from the wall surface of the energy storage sliding seat (412), the energy storage spring (413) releases elastic potential energy.

3. The external electric operating device according to claim 2, characterized in that: the energy storage slide seat (412) is extended with a half push plate (414), a collision wheel (422) for pushing the half push plate (414) is arranged outside the rotation axis of the eccentric cam (421), and the energy storage component (41) releases potential energy when the collision wheel (422) slides out from the side surface of the half push plate (414).

4. The external electric operating device according to claim 1, wherein: the driving mechanism (5) further comprises a ratchet wheel assembly (53), the ratchet wheel assembly (53) comprises a ratchet wheel disc (531) and a ratchet wheel shaft (533) driven by unidirectional rotation of the ratchet wheel disc (531), a ratchet wheel groove (532) is formed in the ratchet wheel disc (531), a clutch groove (534) is formed in the ratchet wheel shaft (533) in the radial direction, a clutch ball (535) is rolled in the clutch groove (534), and a clutch spring (536) for pushing the clutch ball (535) into the clutch groove (534) is arranged in the clutch groove (534).

5. The external electric operating device according to claim 1, wherein: the shell (2) is internally provided with a mounting plate (3), and the limiting assembly (62) comprises a first limiting buckle (621) rotationally connected with the mounting plate (3), a second limiting buckle (622) rotationally connected with the mounting plate (3) and a tripping seat (631) slidingly connected with the mounting plate (3); the unlocking seat (631) drives the second limit buckle (622) to rotate when moving, the second limit buckle (622) drives the first limit buckle (621) to rotate when rotating, and the rotation constraint of the first limit buckle (621) on the trigger disc (61) is released when the first limit buckle (621) rotates; the closing button (21) is used for driving the trip seat (631) to move.

6. The external electric operating device according to claim 4, wherein: an outer through groove (23) is formed in the shell (2), the ratchet assembly (53) is communicated with the outside of the shell (2) through the outer through groove (23), and a rotary groove (537) is formed in one surface of the ratchet assembly (53) which is arranged outside the outer through groove (23).

7. The external electric operating device according to claim 6, wherein: an outer baffle (24) for shielding the rotary groove (537) is arranged in the inner sliding mode of the shell (2), an operation block (241) penetrating out of the shell (2) is arranged on the outer baffle (24), and an operation groove (28) for enabling the operation block (241) to slide is arranged on the shell (2).

8. The external electric operating device according to claim 7, wherein: an inner baffle plate (25) for shielding the rotary groove (537), an inner pushing spring (26) for pushing one side of the inner baffle plate (25) and a locking assembly (71) for pushing the other side of the inner baffle plate (25) are arranged in the shell (2) in a sliding manner; the inner baffle (25) is limited by sliding the pressing of the closing button (21) and the energy storage button (22).

9. The external electric operating device according to claim 8, wherein: the locking assembly (71) comprises a locking plate (711) and a locking rod (712) which are connected in the shell (2) in a sliding way, the locking rod (712) is used for touching a tripping key (12) of the circuit breaker (1), and the locking plate (711) is used for pushing the inner baffle plate (25);

a lock hole (714) is arranged on the lock plate (711), and a rotary lock tongue (713) driven by the lock plate (711) to push the lock rod (712) is arranged in the shell (2); when the lock plate (711) slides outwards relative to the shell (2), the padlock hole (714) is arranged externally, the rotary lock tongue (713) is pushed by the lock plate (711) and presses down the lock rod (712), when the lock plate (711) slides inwards relative to the shell (2), the padlock hole (714) is arranged internally, and the rotary lock tongue (713) is separated from the lock plate (711) and does not press down the lock rod (712);

a return spring (715) for pushing the lock rod (712) away from the trip key (12) of the circuit breaker (1) is arranged in the shell (2).

10. A circuit breaker, characterized in that: use of the external electrically operated device of claim 1.

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