CN214797142U - Large-stroke manual operating mechanism and isolating switch - Google Patents

Abstract

The utility model provides a large stroke manual operation mechanism and isolator, it includes: the operating module body is equipped with operating handle and drive mechanism on it, and operating handle passes through drive mechanism and takes moving contact mechanism to break off the floodgate or close the floodgate, and drive mechanism includes: the first main shaft is vertically arranged on the operation module body and can be driven to rotate by the operation handle; the second main shaft is horizontally arranged on the contact module body and is provided with a plurality of movable contact racks; the gear transmission assembly comprises a fluted disc which is fixed on the first main shaft and can rotate along with the first main shaft in a linkage manner, and a bevel gear which is arranged on the second main shaft and can rotate along with the second main shaft in a linkage manner, wherein the bevel gear is meshed with the fluted disc. When the operating handle rotates by 90 degrees, the bevel gear can enable the contact mechanism to rotate by an angle larger than 90 degrees, so that larger opening distance of the moving contact and the static contact is realized, the arc extinguishing effect is better, and the bevel gear and the fluted disc have the advantages of simple structure and low production cost.

Description

Large-stroke manual operating mechanism and isolating switch

Technical Field

The utility model relates to a low-voltage apparatus technical field, concretely relates to big stroke manual operation mechanism and isolator.

Background

The isolating switch is used for preventing or allowing current to flow in a power-on state, realizes reliable isolation of a power-off part and a charged part in a power distribution device, and is widely applied to power systems such as photovoltaic power systems, wind power systems and the like. The existing direct-current disconnecting switch has the defects of small contact opening distance and poor arc extinguishing effect, and the problem that how to increase the contact opening distance and improve the arc extinguishing effect needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the isolator contact opening distance among the prior art defect little, that the arc extinguishing effect is poor to a big stroke manual operation mechanism that the contact opening distance is big, the arc extinguishing effect is good is provided, and has this big stroke manual operation mechanism's isolator.

Therefore, the utility model provides a big stroke manual operation mechanism, include: the operating module body is equipped with operating handle and drive mechanism on it, operating handle passes through drive mechanism drives moving contact mechanism and breaks off the floodgate or closes the floodgate, drive mechanism includes: the first main shaft is vertically arranged on the operation module body and can be driven by the operation handle to rotate; the second main shaft is horizontally arranged on the contact module body, and a plurality of movable contact racks are arranged on the second main shaft; the gear transmission assembly is arranged between the first main shaft and the second main shaft and is suitable for converting the rotation of the first main shaft into driving force for driving the second main shaft to rotate, the gear transmission assembly comprises a fluted disc which is fixed on the first main shaft and can rotate along with the first main shaft in a linkage manner, and a bevel gear which is fixedly arranged on the second main shaft and can rotate along with the second main shaft in a linkage manner, and the bevel gear is meshed with the fluted disc.

The energy storage snap-through assembly is connected with the transmission mechanism and provided with an extreme compression position, an energy storage state before the transmission mechanism moves to the extreme compression position and an energy release state after the transmission mechanism moves to the extreme compression position and drives the transmission mechanism to act rapidly.

The energy storage snap-action assembly comprises a first mounting shaft, a second mounting shaft, a movable plate and a spring, and the first mounting shaft is fixedly arranged on the operation module body; the second mounting shaft is mounted on the operation module body and connected with the operation handle, and can move along an arc track under the drive of the operation handle; one end of the movable plate is provided with a strip hole for the first installation shaft to penetrate through and allowing the movable plate to move transversely relative to the first installation shaft, and the other end of the movable plate is provided with an installation groove or an installation hole for the second installation shaft to penetrate through and rotate in linkage with the second installation shaft; and the spring is sleeved on the movable plate, one end of the spring abuts against the first mounting shaft, the other end of the spring abuts against the second mounting shaft or a stop block formed at the end part of the movable plate, and when the second mounting shaft moves to be closest to the first mounting shaft, the spring is positioned at the limit compression position.

The transmission mechanism further comprises a turntable assembly arranged on the first main shaft, and the turntable assembly is provided with the second mounting shaft; before the energy storage snap-through assembly moves to the extreme compression position, the turntable assembly and the operating handle are kept in a linkage state; after the energy storage snap-through assembly moves to the extreme compression position, the turntable assembly and the operating handle are kept in a separated state.

The turntable assembly comprises a first turntable and a second turntable, the first turntable is fixed on the first spindle, and at least one movable groove or movable hole is formed in the first turntable; at least one second rotary table which is rotatably arranged on the first main shaft and is provided with a second mounting shaft which can extend into the movable groove and can move relative to the movable groove; before the energy storage snap-through assembly moves to the extreme compression position, one side wall of the first rotary disc movable groove is abutted against the second mounting shaft and drives the second rotary disc to rotate; after the energy storage snap-through assembly moves to the limit compression position, the energy storage snap-through assembly drives the second mounting shaft to move from one side of the movable groove to the other side of the movable groove.

The limiting structure comprises a limiting groove arranged on the first rotary disc and a limiting block arranged on the rotary disc support of the operation module body and capable of extending into the limiting groove.

The first rotary disc is provided with two movable grooves which are symmetrically arranged and are respectively arranged on two sides of the rotation center of the first rotary disc, and the second rotary disc is provided with two second installation shafts corresponding to the movable grooves.

The carousel support is including the roof and the bottom plate that set up from top to bottom, the roof with all be equipped with the confession on the bottom plate the second installation axle stretches out, and supplies its movable arc hole, be equipped with two that set up from top to bottom between roof and the bottom plate the second carousel, two the second carousel is through along its two of circumference interval distribution the second installation axle and two third installation axle fixed connection.

The first main shaft comprises a square shaft section and a round shaft section, a square hole matched with the square shaft section is formed in the middle of the first rotary table, and a round hole matched with the round shaft section is formed in the middle of the second rotary table.

The utility model also provides an isolator, include as above big stroke manually operation mechanism.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a large stroke manual operation mechanism, the gear drive subassembly includes the fluted disc to and the bevel gear of being connected with the fluted disc meshing, when operating handle rotated 90, first main shaft also rotated 90, bevel gear can make the second main shaft rotate and be greater than 90 the angle, also the contact mechanism can rotate and be greater than 90 the angle, thereby realized moving, the great opening distance of static contact, the arc extinguishing effect is better like this, and bevel gear and fluted disc have simple structure, low in production cost's advantage.

2. The energy storage snap-action assembly has an extreme compression position, an energy storage state before moving to the extreme compression position and an energy release state after moving to the extreme compression position and driving the transmission mechanism to act quickly, so that quick opening and closing can be realized, and the on-off capacity is improved.

3. The utility model provides a big stroke manual operation mechanism, energy storage snap-action subassembly includes first installation axle, second installation axle, fly leaf and spring, during the assembly, locate the spring housing on the fly leaf, the rectangular hole of its one end is aimed at with first installation axle and is inserted, spring one end offsets with first installation axle, remove towards being close to first installation axle direction through the adjustment fly leaf, the dog of the fly leaf other end can extrude the spring, the installation groove card of fly leaf is gone into the second and is installed the axle back loose hand, the spring resumes deformation, above-mentioned structural assembly is swift convenient, and assembly efficiency is improved.

4. The utility model provides a large-stroke manual operating mechanism, before the energy storage kick component moves to the extreme pressure limiting position, the turntable component and the operating handle keep a linkage state; after the energy storage snap-through assembly moves to the limit compression position, the turntable assembly and the operating handle are kept in a separation state, so that the position of the operating handle is kept unchanged when the energy storage snap-through assembly acts rapidly, hands of operators cannot be accidentally injured, and safety performance is improved.

5. The utility model provides a large-stroke manual operating mechanism, before the energy storage snap-action assembly moves to the extreme pressure limiting position, one side wall of the first turntable movable groove is abutted against the second mounting shaft and drives the second turntable to rotate; after the energy storage snap-through assembly moves to the limit compression position, the energy storage snap-through assembly drives the second mounting shaft to move from one side of the movable groove to the other side. Utility model people installs axle through ingenious setting activity groove and second to realized the linkage and the separation of first carousel and second carousel, had simple structure, low in production cost's advantage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of the isolating switch of the present invention;

FIG. 2 is a schematic diagram of the exploded structure of FIG. 1;

FIG. 3 is a schematic view of a contact module;

fig. 4 is an exploded schematic view of the moving contact holder, moving contact and stationary contact;

fig. 5 is a schematic view of the assembly of the moving contact holder and the moving contact;

FIG. 6 is an exploded view of FIG. 5;

fig. 7 is a perspective view of a stationary contact;

fig. 8 is an exploded view of a static contact;

FIG. 9 is a perspective view of the operating module;

FIG. 10 is a perspective view of the manually operated mechanism;

FIG. 11 is a perspective view of the transmission;

FIG. 12 is a perspective view of the turntable support;

FIG. 13 is a perspective view of FIG. 11 with the turntable support top plate removed;

FIG. 14 is an exploded view of the first spindle and turntable assembly;

FIG. 15 is another perspective view of FIG. 13 rotated through an angle;

FIG. 16 is an assembled view of the energy storage kick assembly;

fig. 17 is an exploded view of the energy storage snap-through assembly.

Description of reference numerals: 1. a contact module; 10. a contact module body; 11. a moving contact; 113. a first movable contact plate; 114. a second movable contact plate; 12. static contact; 121. a first connecting plate; 122. a second connecting plate; 123. a first stationary contact plate; 124. a second stationary contact plate; 1241. a lateral plate portion; 1242. a vertical plate portion; 13. an arc extinguishing chamber; 14. a magnetism increasing sheet; 15. a movable contact head frame; 16. a second main shaft; 17. a bevel gear; 2. an operation module; 20. an operating module body; 21. an operating handle; 22. a first main shaft; 221. a square shaft section; 222. a circular shaft section; 23. a first clutch gear; 24. a fluted disc; 3. a motor; 31. a power take-off shaft; 32. a second clutch gear; 4. an energy storage kick assembly; 41. a first mounting shaft; 42. a movable plate; 43. a strip hole; 44. mounting grooves; 45. a spring; 46. a stopper; 5. a turntable assembly; 50. a turntable support; 501. a top plate; 502. a base plate; 503. an arc-shaped hole; 51. a first turntable; 52. a second turntable; 53. a movable groove; 54. a second mounting shaft; 55. a limiting groove; 56. a limiting block; 57. a third mounting shaft; 6. an indicating component; 61. a switch-on/off button.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

The embodiment provides a two-in two-out dc 1500V disconnector, which includes two contact modules 1 and an operation module 2, as shown in fig. 1 and 2.

The two contact modules 1 are arranged side by side with the operation module 2, and the modules are assembled through fasteners, the contact module 1 comprises a contact module body 10 and a contact assembly arranged in the contact module body 10, the contact assembly comprises a moving contact 11 and a fixed contact 12, and in the embodiment, the fasteners are pins or rivets.

The contact module comprises a contact module body 10, wherein a movable contact frame 15 rotating around the center of the contact module body is arranged in the contact module body, the movable contact frame 15 is provided with two movable contacts 11 respectively arranged at two sides of the rotating center of the movable contact frame, the number of the fixed contacts 12 is two corresponding to that of the arc extinguish chamber 13, the rotating angle of the movable contact frame 15 is 0-110 degrees, so that the distance between the movable contacts and the fixed contacts is large, and the breaking capacity is improved.

As shown in fig. 4, 7 and 8, the static contact 12 has a first connecting plate 121 and a second connecting plate 122 that are connected in a bent manner and have opposite current directions, wherein the opening/closing position of the dynamic contact 11 and the static contact 12 is located between the first connecting plate 121 and the arc-extinguishing chamber 13, and the second connecting plate 122 is located on a side of the first connecting plate 121 away from the arc-extinguishing chamber 13. In this embodiment, the first connecting plate 121 and the second connecting plate 122 are bent into a U shape.

As shown in fig. 7, the fixed contact 12 further includes a first fixed contact plate 123 and a second fixed contact plate 124, the length of the second fixed contact plate 124 is longer than that of the first fixed contact plate 123, the first fixed contact plate 123 is vertically disposed on one side of the first connecting plate 121, the second fixed contact plate 124 is L-shaped, a transverse plate portion 1241 of the L-shaped second fixed contact plate 124 is fixedly connected to the second connecting plate 122, a gap is disposed between a vertical plate portion 1242 and the first fixed contact plate 123, a plane where the vertical plate portion 1242 is located is vertically disposed with a plane where the first fixed contact plate 123 is located, the vertical plate portion 1242 extends into the arc extinguish chamber 13, and the magnetizing strip 14 is disposed between the transverse plate portion 1241 and the second connecting plate 122, so as to blow an electric arc to the arc extinguish chamber 13.

As shown in fig. 4 to 6, the movable contact 11 has two first movable contact plates 113 arranged in a left-right symmetrical manner and two second movable contact plates 114 arranged in a left-right symmetrical manner, the two first movable contact plates 113 are arranged between the two second movable contact plates 114, and the length of the second movable contact plates 114 is longer than that of the first movable contact plates 113. When the switch is closed, as shown in fig. 4, the movable contact holder 15 rotates clockwise, the second movable contact plate 114 first contacts and communicates with the second fixed contact plate 124, and the first movable contact plate 113 then contacts and communicates with the first fixed contact plate 123; during switching off, the second movable contact board 114 is separated from the second fixed contact board 124 first, and the first movable contact board 113 is separated from the first fixed contact board 123 later. In this embodiment, only the first movable contact board 113 and the first fixed contact board 123 are provided with contacts, and the above-described structural arrangement enables an arc to be generated only between the second movable contact board 114 and the second fixed contact board 124, and since the first movable contact board 113 and the first fixed contact board 123 are arranged away from the arc, the first movable contact board 113 and the first fixed contact board 123 are respectively used as a main contact and a main fixed contact, the contacts are not easily ablated by the arc, and the service life is prolonged.

As an alternative embodiment, the static contact 12 has a first static contact plate 123 and a second static contact plate 124, wherein, when closing, the second static contact plate 124 is in contact communication with the movable contact 11 before the first static contact plate 123; during opening, the second stationary contact plate 124 is separated from the movable contact 11 after the first stationary contact plate 123.

As an alternative embodiment, the movable contact 11 has a first movable contact board 113 and a second movable contact board 114, wherein, when closing, the second movable contact board 114 is in contact communication with the fixed contact 12 before the first movable contact board 113; when the switch is opened, the second movable contact plate 114 is separated from the fixed contact 12 after the first movable contact plate 113.

The operation module 2 comprises an operation module body 20, a manual operation mechanism, an electric operation mechanism and an indication assembly 6.

The operating module comprises an operating module body 20, an operating handle 21 and a transmission mechanism are arranged on the operating module body, and the operating handle 21 drives the moving contact mechanism to open or close through the transmission mechanism.

As shown in fig. 9, the electric operating mechanism includes a motor 3, a power output shaft 31 provided at one end of the motor 3, and a second clutch gear 32 interlocked with the power output shaft 31, wherein the second clutch gear 32 has incomplete teeth, and the second clutch gear 32 has a first state engaged with the first clutch gear 23 and a second state disengaged therefrom.

The manual operating mechanism, as shown in fig. 10, includes an operating handle 21, a transmission mechanism, and an energy storage kick assembly 4.

The transmission mechanism comprises a first main shaft 22, a second main shaft 16, a gear transmission assembly and a turntable assembly 5.

The first main shaft 22 is vertically arranged on the operation module body 20 and can be driven by the operation handle 21 to rotate, as shown in fig. 14, the first main shaft 22 comprises a square shaft section 221 and a round shaft section 222, a square hole matched with the square shaft section 221 is formed in the middle of the first rotary disc 51, and a round hole matched with the round shaft section 222 is formed in the middle of the second rotary disc 52; and the second main shaft 16 is horizontally arranged on the contact module body 10, and two movable contact frames 15 are arranged on the second main shaft 16. The first main shaft 22 is fixedly provided with a first clutch gear 23 linked with the first main shaft, and the first clutch gear 23 is provided with incomplete teeth.

A gear assembly disposed between the first main shaft 22 and the second main shaft 16 and adapted to convert the rotation of the first main shaft 22 into a driving force for driving the second main shaft 16 to rotate, as shown in fig. 10, the gear assembly includes: a fluted disc 24 fixed on the first main shaft 22 and capable of rotating along with the first main shaft in a linkage manner; and the bevel gear 17 is fixedly arranged on the second main shaft 16 and can rotate in a linkage manner, and the bevel gear 17 is meshed and connected with the fluted disc 24. When the operating handle 21 rotates by 90 degrees, the bevel gear 17 can enable the contact mechanism to rotate by an angle larger than 90 degrees, so that large stroke of the moving contact and the static contact is realized, and arc extinguishing capability is improved.

And the turntable assembly 5 is provided with the second mounting shaft 54 and can be driven by the first main shaft 22 to rotate. As shown in fig. 11-14, the turntable assembly 5 includes a first turntable 51 and a second turntable 52. The first rotating disk 51 is fixed on the first main shaft 22, and has two movable grooves 53 or movable holes symmetrically arranged on two sides of the rotation center thereof, and a limit groove 55 arranged between the two movable grooves 53. Two second rotating discs 52 rotatably mounted on the first main shaft 22, and having the second mounting shafts 54 capable of extending into the movable slots 53 and moving relative thereto; before the energy-storing snap-jump assembly 4 moves to the extreme compression position, one side wall of the movable groove 53 of the first rotating disc 51 is abutted against the second mounting shaft 54 and drives the second rotating disc 52 to rotate; energy storage kick subassembly 4 moves to after the extreme compression position, energy storage kick subassembly 4 drives second installation axle 54 is followed one side motion to the opposite side of activity groove 53, utility model people is through ingenious activity groove 53 and the installation axle 54 that sets up to realized the linkage and the separation of first carousel 51 and second carousel 52, had simple structure, low in production cost's advantage. As shown in fig. 12, the operation module body 20 is provided with a turntable support 50, the turntable support 50 includes a top plate 501 and a bottom plate 502 which are arranged up and down, the top plate 501 and the bottom plate 502 are both provided with arc-shaped holes 503 for the second mounting shafts 54 to extend out and move, two second turntables 52 which are arranged up and down are arranged between the top plate 501 and the bottom plate 502, the two second turntables 52 are fixedly connected with the two third mounting shafts 57 through the two second mounting shafts 54 which are circumferentially distributed at intervals, and the top plate 501 is provided with a limit block 56 which is matched with the limit groove 55.

And the energy storage snap-through component 4 is arranged on the transmission mechanism and is provided with an extreme compression position, an energy storage state before moving to the extreme compression position and an energy release state after moving to the extreme compression position and driving the transmission mechanism to rapidly act. Before the energy storage snap-through assembly 4 moves to the extreme compression position, the turntable assembly 5 and the operating handle 21 are kept in a linkage state; after the energy storage snap-through assembly 4 moves to the limit compression position, the turntable assembly 5 and the operating handle 21 are kept in a separated state, so that the position of the operating handle 21 is kept unchanged when the energy storage snap-through assembly 4 acts rapidly, the hands of an operator cannot be accidentally injured, and the safety performance is improved.

The energy storage snap-through assembly 4, as shown in fig. 15 to 17, includes: a first mounting shaft 41 fixed to the operation module body 20; the second mounting shaft 54 is mounted on the operation module body 20 and connected with the operation handle 21, and the second mounting shaft 54 is driven by the operation handle 21 and can move along an arc track; a movable plate 42, one end of which is provided with a strip hole 43 for the first mounting shaft 41 to pass through and allowing the movable plate 42 to move laterally relative to the first mounting shaft 41, and the other end of which is provided with a mounting groove 44 or a mounting hole for the second mounting shaft 54 to pass through and rotate in linkage with the same; and a spring 45 sleeved on the movable plate 42, wherein one end of the spring 45 abuts against the first mounting shaft 41, the other end of the spring abuts against the second mounting shaft 54 or a stop 46 formed at the end of the movable plate 42, and when the second mounting shaft 54 moves to be closest to the first mounting shaft 41, the spring 45 is in the limit compression position.

And the device also comprises a switching-on and switching-off button 61 for controlling the motor 3 to work.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. A large stroke manual operating mechanism, comprising: the operating module body (20) is provided with an operating handle (21) and a transmission mechanism, the operating handle (21) drives the moving contact mechanism to open or close through the transmission mechanism, and the transmission mechanism comprises:

the first main shaft (22) is vertically arranged on the operation module body (20) and can be driven by the operation handle (21) to rotate;

the second main shaft (16) is horizontally arranged on the contact module body (10), and a plurality of movable contact racks (15) are arranged on the second main shaft (16);

the gear transmission assembly is arranged between the first main shaft (22) and the second main shaft (16) and is suitable for converting the rotation of the first main shaft (22) into driving force for driving the second main shaft (16) to rotate, the gear transmission assembly comprises a fluted disc (24) which is fixed on the first main shaft (22) and can rotate along with the first main shaft in a linkage manner, and a bevel gear (17) which is fixedly arranged on the second main shaft (16) and can rotate along with the second main shaft in a linkage manner, and the bevel gear (17) is meshed with the fluted disc (24).

2. A large stroke manual operating mechanism according to claim 1, further comprising an energy accumulating kick assembly (4) connected to said transmission mechanism and having an extreme compression position, an energy accumulating state prior to moving to said extreme compression position, and an energy releasing state after moving to said extreme compression position for driving said transmission mechanism to snap.

3. A large stroke manual operating mechanism according to claim 2, wherein said energy accumulating kick assembly (4) comprises:

a first mounting shaft (41) fixedly arranged on the operation module body (20);

the second mounting shaft (54) is mounted on the operation module body (20) and connected with the operation handle (21), and the second mounting shaft (54) is driven by the operation handle (21) and can move along an arc track;

a movable plate (42), one end of which is provided with a strip hole (43) for the first mounting shaft (41) to penetrate and allowing the movable plate (42) to move transversely relative to the first mounting shaft (41), and the other end of which is provided with a mounting groove (44) or a mounting hole for the second mounting shaft (54) to penetrate and rotate in linkage with the second mounting shaft;

and the spring (45) is sleeved on the movable plate (42), one end of the spring is abutted against the first mounting shaft (41), the other end of the spring is abutted against the second mounting shaft (54) or a stop block (46) formed at the end part of the movable plate (42), and when the second mounting shaft (54) moves to be closest to the first mounting shaft (41), the spring (45) is positioned at the limit compression position.

4. A large stroke hand operating mechanism according to claim 3, wherein said transmission mechanism further comprises a turntable assembly (5) provided on said first main shaft (22), said turntable assembly (5) being provided with said second mounting shaft (54);

before the energy storage snap-through assembly (4) moves to the extreme compression position, the turntable assembly (5) and the operating handle (21) are kept in a linkage state; after the energy storage snap-through assembly (4) moves to the extreme compression position, the rotating disc assembly (5) and the operating handle (21) are kept in a separated state.

5. Large stroke manual operating mechanism according to claim 4, wherein said dial assembly (5) comprises:

a first turntable (51) fixed on the first main shaft (22) and provided with at least one movable groove (53) or movable hole;

at least one second rotating disc (52) which is rotatably arranged on the first main shaft (22) and is provided with a second mounting shaft (54) which can extend into the movable groove (53) and can move relative to the movable groove;

before the energy-storing snap-jump assembly (4) moves to the extreme compression position, one side wall of a movable groove (53) of the first rotary disc (51) is abutted against the second mounting shaft (54) and drives the second rotary disc (52) to rotate;

after the energy storage snap-through assembly (4) moves to the limit compression position, the energy storage snap-through assembly (4) drives the second mounting shaft (54) to move from one side of the movable groove (53) to the other side.

6. The large-stroke manual operating mechanism according to claim 5, further comprising a limiting structure for limiting the rotation position of the first rotating disc (51), wherein the limiting structure comprises a limiting groove (55) arranged on the first rotating disc (51), and a limiting block (56) arranged on the rotating disc bracket (50) of the operating module body (20) and capable of extending into the limiting groove (55).

7. The large-stroke manual operating mechanism according to claim 6, wherein the first rotary plate (51) has two movable slots (53) symmetrically arranged on both sides of the rotation center thereof, and the second rotary plate (52) is provided with two second mounting shafts (54) corresponding to the movable slots (53).

8. The large-stroke manual operating mechanism according to claim 7, wherein the rotating disc bracket (50) comprises a top plate (501) and a bottom plate (502) which are arranged up and down, the top plate (501) and the bottom plate (502) are respectively provided with an arc-shaped hole (503) for extending the second mounting shaft (54) and moving the second mounting shaft, two second rotating discs (52) which are arranged up and down are arranged between the top plate (501) and the bottom plate (502), and the two second rotating discs (52) are fixedly connected through two second mounting shafts (54) and two third mounting shafts (57) which are circumferentially distributed at intervals.

9. The large-stroke manual operating mechanism according to claim 5, wherein the first spindle (22) comprises a square shaft section (221) and a round shaft section (222), a square hole matched with the square shaft section (221) is formed in the middle of the first rotary disc (51), and a round hole matched with the round shaft section (222) is formed in the middle of the second rotary disc (52).

10. A disconnector comprising a large-stroke manually operable mechanism according to any one of claims 1 to 9.

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