Operating mechanism for transfer switch

Abstract

An operating mechanism for a transfer switch, the operating mechanism comprising a bracket and an energy storage mechanism for driving a main shaft. The energy storage mechanism comprises a first energy storage mechanism, a second energy storage mechanism, and a turnover member. When the turnover member rotates, a corresponding connecting rod shaft is driven by means of one of side walls at two ends of a first arc-shaped sliding groove or a second arc-shaped sliding groove to drive a connecting rod mechanism of the first energy storage mechanism or the second energy storage mechanism to move, such that a corresponding energy storage spring first stores energy and releases the energy after passing a balance position so as to drive the connecting rod mechanism to drive the main shaft to rotate, and the connecting rod shaft slides to the other ends of the first arc-shaped sliding groove and the second arc-shaped sliding groove. In this way, during the energy storage process of the energy storage mechanisms, the main shaft does not move, and after the energy storage mechanisms release the energy, the main shaft is driven to quickly rotate and switch a power supply. The switching speed of an automatic transfer switch is independent of the speed of a manual operation mechanism and an automatic operation mechanism, and the automatic transfer switch can reduce arc erosion on a switch contact system.

Description

Operating mechanism of a transfer switch

[0001] The present application claims priority to Chinese Patent Application No. 202411371656.4, filed on September 29, 2024, the contents of which are incorporated herein by reference in its entirety. TECHNICAL FIELD

[0002] The present application relates to the field of low-voltage electrical apparatus, in particular to an operating mechanism of a transfer switch. BACKGROUND

[0003] As an important support for the development of modern social economy and people's livelihood, the power transmission and distribution line system plays an irreplaceable role. The transfer switch, as an important component carrier in the power transmission and distribution line system, plays an important function, especially in hospitals, intelligent buildings, data centers, power plants, banks, and important infrastructure that require uninterrupted, reliable, stable, and continuous power output.

[0004] In the prior art, the transfer switch is mainly two-position transfer switch and three-position transfer switch. The two-position transfer switch switches between the state of closing the main power supply (while opening the standby power supply) and the state of closing the standby power supply (while opening the main power supply), realizing the continuous, stable, and reliable power output of the power transmission and distribution line. The three-position transfer switch can realize the state of opening both the main power supply and the standby power supply (i.e., double opening state) in addition to the working states of the two-position transfer switch. For example, the prior arts CN111986938A, CN109786146A, CN109686598A, CN113838694A, and CN113611553A disclose different transfer switches.

[0005] In the prior art, the operating mechanism of the transfer switch has the following problems:

[0006] (1) The overall layout is unreasonable, and the space occupied is large.

[0007] (2) The operating mechanism capable of realizing three-position switching and having a switching speed independent of the speed of the manual operating mechanism and the automatic operating mechanism has a complex transmission structure, a relatively simple function, low reliability, or an unreasonable layout resulting in a large volume.

[0008] (3) The energy storage mechanism indirectly drives the main shaft to rotate by driving other transmission mechanisms after releasing energy, and the transmission elements are more, the mechanism is complex, and the space occupied is large.

[0009] (4) The automatic operating mechanism adopts a motor transmission with a slow speed, or an electromagnetic mechanism but needs a complex transmission mechanism.

[0010] (5) The operating mechanism has no position-limiting mechanism for the double split position, and the reliability is poor.

[0011] (6) When the main shaft is in the main power closing position and the standby power closing position, there is no position-limiting mechanism for the main shaft, and the main shaft cannot be prevented from being turned over by other mechanisms outside the operating mechanism. SUMMARY

[0012] The present application aims to overcome at least one of the defects of the prior art and provide an operating mechanism of a transfer switch.

[0013] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0014] An operating mechanism of a transfer switch comprises a support and an energy storage mechanism for driving a main shaft; the energy storage mechanism comprises a first energy storage mechanism, a second energy storage mechanism and a turnover piece, the turnover piece is rotationally driven to drive the first energy storage mechanism or the second energy storage mechanism to store energy first, and after the first energy storage mechanism or the second energy storage mechanism passes the balance position, the first energy storage mechanism or the second energy storage mechanism releases energy to drive the main shaft to rotate rapidly to switch positions, the turnover piece is rotationally arranged and provided with a first circular arc sliding groove and a second circular arc sliding groove, the first energy storage mechanism and the second energy storage mechanism each comprise a connecting rod mechanism and an energy storage spring, the connecting rod mechanism comprises a pulling plate and a driven plate, one end of the energy storage spring is rotationally arranged, the other end is connected with one end of the pulling plate, the other end of the pulling plate is hingedly connected with the driven plate through a connecting rod shaft, the driven plate is rotationally arranged and connected with the main shaft, and the connecting rod shafts of the first energy storage mechanism and the second energy storage mechanism are respectively installed in the first circular arc sliding groove and the second circular arc sliding groove of the turnover piece.

[0015] The turnover piece is rotationally driven through the first circular arc sliding groove to drive the connecting rod shaft of the first energy storage mechanism to move the connecting rod mechanism of the first energy storage mechanism, so that the energy storage spring of the first energy storage mechanism stores energy first and releases energy after passing the balance position, and the energy storage spring of the first energy storage mechanism releases energy to drive the connecting rod mechanism of the first energy storage mechanism to move to drive the main shaft to rotate.

[0016] Alternatively, the turnover piece is rotationally driven through the second circular arc sliding groove to drive the connecting rod shaft of the second energy storage mechanism to move the connecting rod mechanism of the second energy storage mechanism, so that the energy storage spring of the second energy storage mechanism stores energy first and releases energy after passing the balance position, and the energy storage spring of the second energy storage mechanism releases energy to drive the connecting rod mechanism of the second energy storage mechanism to move to drive the main shaft to rotate.

[0017] In one possible implementation, the operating mechanism is used for a three-position transfer switch, the flipping member can be turned to a flipping member first position, a flipping member intermediate position and a flipping member second position, which are respectively used for driving the main shaft to rotate to a main power closing position, a split position and a standby power closing position; when the flipping member is turned from the flipping member intermediate position to the flipping member first position or from the flipping member first position to the flipping member intermediate position, the first energy storage mechanism is first energized and then released to drive the main shaft to rotate to the corresponding main power closing position or split position after passing the balance position; when the flipping member is turned from the flipping member intermediate position to the flipping member second position or from the flipping member second position to the flipping member intermediate position, the second energy storage mechanism is first energized and then released to drive the main shaft to rotate to the corresponding standby power closing position or split position.

[0018] In one possible implementation, the operating mechanism is used for a two-position transfer switch, the flipping member 3 can be turned between a flipping member first position and a flipping member second position to drive the main shaft 6 to rotate between a main power closing position and a standby power closing position.

[0019] In one possible implementation, the driven plate is provided with a driven plate rotation hole, the driven plate is sleeved on the main shaft through the driven plate rotation hole, the flipping member is rotationally arranged on the main shaft between the driven plate of the first energy storage mechanism and the driven plate of the second energy storage mechanism, a driven plate driving portion is arranged in the driven plate rotation hole, the driven plate can rotate around the main shaft, and after the driven plate driving portion is in contact with the main shaft for limiting, the driven plate drives the main shaft to rotate.

[0020] In one possible implementation, the first end of the pulling plate is connected with the energy storage spring, the second end is connected with the driven plate, and a bending portion is arranged between the first end and the second end of the pulling plate, so that the pulling plate has a V-shaped structure or a U-shaped structure; and / or, a protruding structure is arranged in the driven plate rotation hole as the driven plate driving portion.

[0021] In one possible implementation, the first energy storage mechanism and the second energy storage mechanism are arranged in axial symmetry, the energy storage springs of the first energy storage mechanism and the second energy storage mechanism are respectively located on two sides of the symmetry axis, the energy storage spring of the first energy storage mechanism and the first end of the pulling plate, and the second end of the pulling plate of the second energy storage mechanism are located on one side of the symmetry axis, the energy storage spring of the second energy storage mechanism and the first end of the pulling plate, and the second end of the pulling plate of the first energy storage mechanism are located on the other side of the symmetry axis; the energy storage spring of the first energy storage mechanism, the rotation axis of the driven plate and the connecting rod shaft are located on the same straight line as the balance position of the first energy storage mechanism; the energy storage spring of the second energy storage mechanism, the rotation axis of the driven plate and the connecting rod shaft are located on the same straight line as the balance position of the second energy storage mechanism.

[0022] In a possible implementation, the automatic operating mechanism comprises a first electromagnetic mechanism and a second electromagnetic mechanism, each of the first electromagnetic mechanism and the second electromagnetic mechanism comprises an electromagnetic component and a moving rod connected to the electromagnetic component, and the electromagnetic component drives the moving rod to rotate the turnover piece when powered.

[0023] In a possible implementation, each of the first electromagnetic mechanism and the second electromagnetic mechanism comprises an electromagnetic component and a moving rod connected to the electromagnetic component, the moving rod is provided with a moving rod driving portion, the two moving rods of the first electromagnetic mechanism and the second electromagnetic mechanism are respectively a first moving rod and a second moving rod, and the two moving rod driving portions of the first moving rod and the second moving rod are respectively a first moving rod driving portion and a second moving rod driving portion.

[0024] When the turnover piece is located at the intermediate position of the turnover piece, the third linkage portion and the fourth linkage portion are located between the two moving rod driving portions, the first electromagnetic mechanism can drive the first moving rod to move when powered, the first moving rod driving portion drives the third linkage portion to rotate the turnover piece from the intermediate position of the turnover piece to the first position of the turnover piece, or the second electromagnetic mechanism can drive the second moving rod to move when powered, and the second moving rod driving portion drives the fourth linkage portion to rotate the turnover piece from the intermediate position of the turnover piece to the second position of the turnover piece.

[0025] When the turnover piece is located at the first position of the turnover piece, the third linkage portion is located between the two moving rod driving portions, the fourth linkage portion is rotated out of the two moving rod driving portions, the second electromagnetic mechanism can drive the second moving rod to move when powered, and the second moving rod driving portion drives the third linkage portion to rotate the turnover piece from the first position of the turnover piece to the intermediate position of the turnover piece.

[0026] When the turnover piece is located at the second position of the turnover piece, the fourth linkage portion is located between the two moving rod driving portions, the third linkage portion is rotated out of the two moving rod driving portions, the first electromagnetic mechanism can drive the first moving rod to move when powered, and the first moving rod driving portion drives the fourth linkage portion to rotate the turnover piece from the second position of the turnover piece to the intermediate position of the turnover piece.

[0027] In a possible implementation, the electromagnetic components of the first electromagnetic mechanism and the second electromagnetic mechanism each comprise a moving iron core and a moving rod mounting plate fixedly connected to the moving iron core, the moving rod is rotatably mounted on the moving rod mounting plate, a moving rod spring is connected to the moving rod, and the moving rod spring drives the moving rod to rotate to be fixedly limited by the moving rod mounting plate; the moving rod driving portion is a hook structure, an outer side of the hook structure is provided with a pull hook portion inclined surface, and when the first electromagnetic mechanism and the second electromagnetic mechanism are powered off to reset the moving rod, the third linkage portion or the fourth linkage portion located on a resetting path of the moving rod acts on the pull hook portion inclined surface, so that the moving rod rotates to avoid the third linkage portion or the fourth linkage portion.

[0028] In a possible implementation, the toggle piece is further connected to the turnover piece in linkage, and when the toggle piece rotates to a first toggle piece position, a middle toggle piece position and a second toggle piece position, the turnover piece is correspondingly rotated to a first turnover piece position, a middle turnover piece position and a second turnover piece position, respectively; when the turnover piece rotates to the first turnover piece position, the middle turnover piece position and the second turnover piece position, the toggle piece is correspondingly rotated to the first toggle piece position, the middle toggle piece position and the second toggle piece position, respectively.

[0029] In a possible implementation, when the toggle piece rotates to the first toggle piece position and the second toggle piece position, the toggle piece drives the spindle locking mechanism to lock the spindle, so that the spindle cannot rotate to the double-break position; when the toggle piece rotates to the middle toggle piece position, the toggle piece drives the spindle locking mechanism to release the locking of the spindle; the spindle locking mechanism comprises a first lever and a second lever, the first ends of the first lever and the second lever are rotationally arranged, and the second ends of the first lever and the second lever are connected by a first elastic member; the toggle piece is provided with a third toggle part for driving the first lever and the second lever, the third toggle part is located between the second end of the first lever and the second end of the second lever; the spindle is provided with a first locking part and a second locking part; the side of the first lever provided with a first lever locking part and the side of the second lever provided with a second lever locking part are oppositely and separately arranged on both sides of the spindle.

[0030] When the toggle piece moves to the first toggle piece position, the second lever is driven to move away from the spindle and avoid the first lever, so that the first elastic member drives the first lever and the first lever locking part to move towards the spindle; when the spindle rotates to the main power closing position, the first locking part of the spindle is locked with the first lever locking part, so that the spindle cannot rotate to the double-break position.

[0031] When the toggle piece moves to the second toggle piece position, the first lever is driven to move away from the spindle and avoid the second lever, so that the first elastic member drives the second lever and the second lever locking part to move towards the spindle; when the spindle rotates to the standby power closing position, the second locking part of the spindle is locked with the second lever locking part, so that the spindle cannot rotate to the double-break position.

[0032] When the toggle piece rotates from the first toggle piece position to the middle toggle piece position, the first lever is driven to move away from the spindle and overcome the force of the first elastic member, so that the first lever locking part is unlocked with the first locking part of the spindle, and the second lever is reset by the first elastic member; when the toggle piece rotates from the second toggle piece position to the middle toggle piece position, the second lever is driven to move away from the spindle and overcome the force of the first elastic member, so that the second lever locking part is unlocked with the second locking part of the spindle, and the first lever is reset by the first elastic member.

[0033] In a possible implementation, a baffle is further provided, which is fixedly arranged on the main shaft, has a circular structure, and has circular-arc-shaped sides, and a locking groove is arranged on the circular-arc-shaped sides, and the two side walls of the locking groove are respectively used as the first locking part and the second locking part.

[0034] In a possible implementation, the first lever and the second lever are arranged side by side and spaced apart, the first end of the first lever is rotationally arranged, and the second end is provided with a first lever sliding groove, the first lever sliding groove is sleeved on the first lever limiting shaft to limit the rotation angle of the first lever; the first end of the second lever is rotationally arranged, and the second end is provided with a second lever sliding groove, the second lever sliding groove is sleeved on the second lever limiting shaft to limit the rotation angle of the second lever, the first elastic member is connected between the second end of the first lever and the second end of the second lever, and the side of the first lever provided with the first lever locking part and the side of the second lever provided with the second lever locking part are oppositely and spaced apart and located on the two sides of the main shaft.

[0035] In a possible implementation, the knob limiting mechanism further includes a first limiting plate, a second limiting plate, a first limiting plate return member and a second limiting plate return member, the first limiting plate and the second limiting plate are rotationally arranged, the first limiting plate return member is connected with the first limiting plate to drive the first limiting plate to rotate in a direction away from the knob to avoid the knob, and the second limiting plate return member is connected with the second limiting plate to drive the second limiting plate to rotate in a direction away from the knob to avoid the knob.

[0036] When the turnover member rotates from the first position of the turnover member to the intermediate position of the turnover member, the knob rotates from the first position of the knob to the intermediate position of the knob, the turnover member drives the first energy storage mechanism to store energy and pass the balance position, the first energy storage mechanism drives the first limiting plate to move in a direction close to the knob, and the knob is limited in the intermediate position of the knob by the limiting plate limiting part of the first limiting plate, so that the knob cannot continue to rotate to the second position of the knob, the first energy storage mechanism that has passed the balance position releases energy to drive the main shaft to rotate to the double-split position, and the first energy storage mechanism avoids the first limiting plate, the first limiting plate return member drives the first limiting plate to move to release the limitation on the knob.

[0037] When the turnover piece rotates from the second position of the turnover piece to the intermediate position of the turnover piece, the pusher rotates from the second position of the pusher to the intermediate position of the pusher, the first energy storage mechanism is driven to store energy and pass the balance position, the second energy storage mechanism drives the second limiting plate to move towards the pusher, and the limiting plate limiting portion of the second limiting plate limits the pusher in the intermediate position of the pusher, so that the pusher cannot continue to rotate to the first position of the pusher, the second energy storage mechanism that has passed the balance position is released to drive the main shaft to rotate to the double-split position, and the second energy storage mechanism avoids the second limiting plate, and the second limiting plate reset member drives the second limiting plate to move to release the limiting of the pusher.

[0038] In a possible implementation, the driven plates of the first energy storage mechanism and the second energy storage mechanism are respectively a first driven plate and a second driven plate, the first driven plate and the second driven plate are provided with limiting plate driving portions respectively for driving the first limiting plate and the second limiting plate, the first driven plate and the second driven plate are installed on the main shaft, the turnover piece is located between the first driven plate and the second driven plate, the first limiting plate and the second limiting plate are arranged above the first driven plate and the second driven plate respectively, and the pusher is arranged above the turnover piece.

[0039] In a possible implementation, the operating mechanism comprises a support and a manual operating mechanism, the manual operating mechanism comprises a rotating pusher connected with the turnover piece for driving the turnover piece to rotate, the support comprises a first side plate and a second side plate arranged in opposition and spaced apart, the first energy storage mechanism, the second energy storage mechanism and the turnover piece are arranged between the first side plate and the second side plate, the main shaft penetrates through the first side plate and the second side plate, the turnover piece is rotatably arranged on the main shaft, the first electromagnetic mechanism and the second electromagnetic mechanism are symmetrically arranged below the two sides of the turnover piece, and the pusher is arranged between the first side plate and the second side plate above the turnover piece.

[0040] The operating mechanism of the switch, the energy storage mechanism comprises a first energy storage mechanism, a second energy storage mechanism and a turnover piece, when the turnover piece rotates, one of the two end side walls of the first circular arc sliding groove or the second circular arc sliding groove drives the corresponding connecting rod shaft to drive the connecting rod mechanism of the first energy storage mechanism or the second energy storage mechanism to move, so that the corresponding energy storage spring is first stored and released to drive the connecting rod mechanism to drive the main shaft to rotate after passing the balance position, and the connecting rod shaft slides to the other end of the first circular arc sliding groove and the second circular arc sliding groove, so that in the process of storing energy by the energy storage mechanism, the main shaft does not move, and after the energy storage mechanism is released, the main shaft is quickly rotated to switch the power supply, the switching speed of the automatic switch is independent of the speed of the manual operating mechanism and the automatic operating mechanism, the operating mechanism can quickly drive the main shaft to switch the power supply, the burning of the arc on the switch contact system is reduced, and the performance and reliability of the switch are improved.

[0041] In addition, the automatic operating mechanism of the operating mechanism adopts the first electromagnetic mechanism and the second electromagnetic mechanism, which is faster in action relative to the motor, and improves the switching speed of the switch.

[0042] In addition, the operating mechanism is provided with a toggle limiting mechanism. When the first energy storage mechanism and the second energy storage mechanism reach the balance position, the toggle limiting mechanism is driven by the action of the first energy storage mechanism and the second energy storage mechanism to limit the toggle in the middle position of the toggle, and also limit the turnover piece in the middle position of the turnover piece. Then, the toggle limiting mechanism is avoided by the energy release action of the first energy storage mechanism and the second energy storage mechanism, and the limitation on the toggle is released. The toggle can move to the first position of the toggle and the second position of the toggle, which improves the reliability and safety of the action of the operating mechanism.

[0043] In addition, the operating mechanism is provided with a main shaft locking mechanism for locking the main shaft in the main power closing position or the standby power closing position. When the turnover piece rotates to the first position of the turnover piece, the main shaft locking mechanism is driven to lock the main shaft, so that the main shaft cannot rotate to the double split position. When the turnover piece rotates to the middle position of the turnover piece, the main shaft locking mechanism is driven to release the lock on the main shaft. When the turnover piece rotates to the second position of the turnover piece, the main shaft locking mechanism is driven to lock the main shaft, so that the main shaft cannot rotate to the double split position. This avoids the turnover of the main shaft by other mechanisms outside the operating mechanism, and improves the reliability and safety.

[0044] In addition, the first energy storage mechanism, the second energy storage mechanism and the turnover piece are arranged between the first side plate and the second side plate. The turnover piece does not rotate with the main shaft but is arranged to rotate on the main shaft, so that the overall structure is compact, and the first electromagnetic mechanism, the second electromagnetic mechanism and the toggle are arranged conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0045] Fig. 1 is a structural schematic diagram of the operating mechanism of the embodiment of the application;

[0046] Figs. 2a, 2b and 2c are internal structural schematic diagrams of the operating mechanism in the double split state;

[0047] Fig. 2d is a structural schematic diagram of the main shaft locking mechanism of the operating mechanism in the double split state;

[0048] Fig. 3a is an internal structural schematic diagram of the operating mechanism in the conversion from the double split state to the main power closing state;

[0049] Fig. 3b is an internal structural schematic diagram of the operating mechanism in the conversion from the double split state to the main power closing state, in which the first energy storage mechanism is in the balance state;

[0050] Figs. 4a and 4b are internal structural schematic diagrams of the operating mechanism in the main power closing state;

[0051] Figure 4c is a structural diagram of the main shaft locking mechanism in the main power source closed state of the operating mechanism;

[0052] Figure 5a is a structural diagram of the internal structure in the transition from the main power source closed state to the double split state of the operating mechanism;

[0053] Figure 5b is a structural diagram of the internal structure in the first energy storage mechanism in the balanced state in the transition from the main power source closed state to the double split state of the operating mechanism;

[0054] Figure 5c is a structural diagram of the main shaft locking mechanism in the state of Figure 5b of the operating mechanism;

[0055] Figures 6a and 6b are structural diagrams of the internal structure in the transition from the double split state to the standby power source closed state of the operating mechanism;

[0056] Figure 6c is a structural diagram of the internal structure in the second energy storage mechanism in the balanced state in the transition from the double split state to the standby power source closed state of the operating mechanism;

[0057] Figure 7a is a structural diagram of the internal structure in the standby power source closed state of the operating mechanism;

[0058] Figure 7b is a structural diagram of the main shaft locking mechanism in the standby power source closed state of the operating mechanism;

[0059] Figure 8a is a structural diagram of the internal structure in the second energy storage mechanism in the balanced state in the transition from the standby power source closed state to the double split state of the operating mechanism;

[0060] Figure 8b is a structural diagram of the main shaft locking mechanism in the state of Figure 8a of the operating mechanism;

[0061] Figures 9a and 9b are structural diagrams of the turnover piece in the operating mechanism;

[0062] Figures 10a and 10b are structural diagrams of the connecting rod in the operating mechanism;

[0063] Figure 11a is a structural diagram of the main shaft in the operating mechanism;

[0064] Figure 11b is a sectional view of the main shaft in the operating mechanism;

[0065] Figure 12 is a structural diagram of the baffle in the operating mechanism;

[0066] Figure 13 is a structural diagram of the pusher in the operating mechanism;

[0067] Figure 14 is a structural diagram of the limiting plate in the operating mechanism;

[0068] Figure 15 is a structural diagram of the lever in the operating mechanism;

[0069] Figure 16 is a structural diagram of the electromagnetic mechanism in the operating mechanism;

[0070] Fig. 17 is a perspective view of the inside of the bracket in the operating mechanism;

[0071] Fig. 18 is a structural schematic view of the first side plate in the operating mechanism;

[0072] In the figure, the reference signs include: a shell 10, a base 101, a support 102, a first side plate 103, a second side plate 104, an auxiliary support 105, a first limiting shaft 1021, a second limiting shaft 1022, a first energy storage spring fixing shaft 1023, a second energy storage spring fixing shaft 1024, a first connecting rod limiting part 1025, a knob mounting shaft 1026, a second side plate sliding groove 1041; a main shaft 6, a main shaft linkage part 61, a main shaft avoiding notch 62, a main shaft first connecting section 63, a main shaft mounting section 64, a main shaft second connecting section 65, a main shaft output section 66, a baffle mounting groove 67; a first energy storage mechanism 1, a second energy storage mechanism 2, a first energy storage spring 11, a first connecting rod mechanism 12, a first driven plate 121, a first pulling plate 122, a first connecting rod shaft 123, a second energy storage spring 21, a second connecting rod mechanism 22, a second driven plate 221, a second pulling plate 222, a second connecting rod shaft 223, a limiting plate driving part 1211, a driven plate rotating hole 1212, a driven plate driving part 1213, a driven sheet 1214, a pulling plate limiting shaft 1215, a driven plate limiting part 1216; a turnover piece 3, a turnover plate 30, a first circular arc sliding groove 31, a second circular arc sliding groove 32, a turnover piece rotating hole 33, a first linkage part 34, a third linkage part 35, a fourth linkage part 36; a knob 4, a knob pivoting part 40, a second linkage part 41, a first knob part 42, a second knob part 43, a third knob part 44, a knob driving part 45, an arc limiting groove 46; a first electromagnetic mechanism 7, a second electromagnetic mechanism 8; a first electromagnetic part 71, a first moving rod 72, a first moving rod driving part 722, a second electromagnetic part 81, a second moving rod 82, a second moving rod driving part 822, a moving rod 782, a moving rod mounting plate 783, a moving rod spring 784, a counter-force spring 785, a moving rod mounting part 7821, a moving rod driving part 7822, a moving rod limiting part 7823, a pulling hook part inclined surface 7824, a moving rod spring mounting hole 7825, a first moving rod mounting plate 7831, a second moving rod mounting plate 7832; a main shaft locking mechanism 5, a first lever 51, a second lever 52, a first elastic member 53, a baffle 54, a first lever sliding groove 511, a first lever locking part 512, a first lever limiting shaft 513, a second lever sliding groove 521, a second lever locking part 522, a second lever limiting shaft 523, a first locking part 541, a second locking part 542, a baffle mounting hole 543, a circular arc side 544, a first circular arc surface 551, a locking protruding part 552, a second circular arc surface 553, a second protruding part 554; a knob limiting mechanism 9, a first limiting plate 91, a second limiting plate 92, a first limiting plate reset member 93, a second limiting plate reset member 94, a limiting plate limiting part 9120, a knob sliding groove 9121, a limiting plate sliding groove 9122, a limiting plate driving surface 9123, a limiting plate rotating hole 9124. DETAILED DESCRIPTION

[0073] The following examples further illustrate the specific embodiments of the present application. The scope of the protection of the present application is not limited to the examples described hereinafter.

[0074] The switch includes an operating mechanism and a switch contact system (not shown in the figure), the operating mechanism is connected with the switch contact system through the main shaft 6, the switch contact system is connected with the main power supply and the standby power supply, and the main shaft 6 drives the switch contact system to switch to the main power supply or the standby power supply to supply power to the load.

[0075] For the two-position switch, the operating mechanism drives the main shaft 6 to rotate between the main power supply closing position and the standby power supply closing position, and when the main shaft 6 rotates to the main power supply closing position, the switch contact system is switched to the main power supply on state, and when the main shaft 6 rotates to the standby power supply closing position, the switch contact system is switched to the standby power supply on state. For the three-position switch, the operating mechanism drives the main shaft 6 to rotate between the main power supply closing position, the double split position and the standby power supply closing position, and when the main shaft 6 rotates to the main power supply closing position, the double split position and the standby power supply closing position, the switch contact system is switched to the main power supply on state, the main power supply and the standby power supply are both disconnected, or the standby power supply on state.

[0076] Referring to Figures 1 and 2a of the present application, the operating mechanism of the switch includes an energy storage mechanism connected with the main shaft 6, a manual operating mechanism and / or an automatic operating mechanism, the energy storage mechanism includes a first energy storage mechanism 1, a second energy storage mechanism 2 and a turnover piece 3, the turnover piece 3 is rotationally arranged, the turnover piece 3 drives the first energy storage mechanism 1 or the second energy storage mechanism 2 to store energy first, and after driving the first energy storage mechanism 1 or the second energy storage mechanism 2 to pass the balance position (dead point position), the first energy storage mechanism 1 or the second energy storage mechanism 2 releases energy to drive the main shaft 6 to rotate quickly to switch positions. The automatic operating mechanism is used to realize remote control to drive the energy storage mechanism to realize power switching and disconnection, and the manual operating mechanism is used to manually drive the energy storage mechanism to realize power switching and disconnection. The first energy storage mechanism 1 and the second energy storage mechanism 2 have the same structure, one is used for switching of the main power supply closing and opening, and the other is used for switching of the standby power supply closing and opening.

[0077] For example, for a two-position transfer switch, the flipper 3 can rotate between the flipper first position and the flipper second position to drive the main shaft 6 to rotate between the main power closing position and the backup power closing position; when the flipper 3 moves from the flipper second position to the flipper first position, the first energy storage mechanism 1 is first energized and then released after passing through the balance position (dead center position), directly or indirectly driving the main shaft 6 to rotate to the main power closing position; when the flipper 3 moves from the flipper first position to the flipper second position, the second energy storage mechanism 2 is first energized and then released after passing through the balance position (dead center position), directly or indirectly driving the main shaft 6 to rotate to the backup power closing position.

[0078] For a three-position transfer switch, the flipper 3 can rotate to the flipper first position, the flipper intermediate position and the flipper second position, respectively, for driving the main shaft 6 to rotate to the main power closing position, the double split position and the backup power closing position; when the flipper 3 rotates from the flipper intermediate position to the flipper first position, or from the flipper first position to the flipper intermediate position, the first energy storage mechanism 1 is first energized and then released after passing through the balance position (dead center position), directly or indirectly driving the main shaft 6 to rotate to the corresponding main power closing position or double split position; when the flipper 3 rotates from the flipper intermediate position to the flipper second position, or from the flipper second position to the flipper intermediate position, the second energy storage mechanism 2 is first energized and then released after passing through the balance position (dead center position), directly or indirectly driving the main shaft 6 to rotate to the corresponding backup power closing position or double split position.

[0079] As shown in FIG. 1 and FIG. 2a, the operating mechanism of the embodiment comprises a housing 10 and an energy storage mechanism arranged in the housing 10. The housing 10 of the embodiment comprises a base 101 and a support 102 arranged on the base 101. The support 102 comprises a first side plate 103 and a second side plate 104 arranged oppositely and spaced apart. The first side plate 103 and the second side plate 104 are connected by a plurality of fixing shafts. The energy storage mechanism comprises a first energy storage mechanism 1, a second energy storage mechanism 2 and a turnover piece 3. The first energy storage mechanism 1, the second energy storage mechanism 2 and the turnover piece 3 are arranged between the first side plate 103 and the second side plate 104. The first energy storage mechanism 1 and the second energy storage mechanism 2 are arranged symmetrically on both sides of the turnover piece 3 and have the same structure. A main shaft 6 is rotatably arranged and penetrates the middle part of the first side plate 103 and the second side plate 104. The operating mechanism further comprises a manual operating mechanism and an automatic operating mechanism. The automatic operating mechanism of the embodiment comprises a first electromagnetic mechanism 7 and a second electromagnetic mechanism 8. The first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are mounted on the base 101 and arranged symmetrically on both sides of the turnover piece 3 for driving the turnover piece 3 to rotate. The manual operating mechanism of the embodiment comprises a knob 4. The knob 4 is connected with the turnover piece 3 and rotatably arranged between the first side plate 103 and the second side plate 104 for driving the turnover piece 3 to rotate. As other embodiments, the housing 10 can further be provided with a cover to cover the support 102. Alternatively, the support 102 can be a relatively closed housing structure. Alternatively, the base 101 can not be provided, and the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 can be mounted on the support 102.

[0080] An improvement of the present application is the overall layout of the operating mechanism. As shown in FIG. 1 and FIG. 2a, the turnover piece 3 is rotatably arranged on the main shaft 6. The main shaft 6 penetrates the middle part of the first side plate 103 and the second side plate 104. The first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are arranged symmetrically on both sides below the turnover piece 3. The manual operating mechanism comprises the knob 4. The knob 4 is connected with the turnover piece 3 and rotatably arranged between the first side plate 103 and the second side plate 104 above the turnover piece 3.

[0081] The operating mechanism of the embodiment is provided with an energy storage mechanism, a manual operating mechanism and an automatic operating mechanism. The energy storage mechanism comprises the first energy storage mechanism 1, the second energy storage mechanism 2 and the turnover piece 3. The turnover piece 3 is used to drive the first energy storage mechanism 1 and the second energy storage mechanism 2 to store energy first and release energy after passing the balance position to drive the main shaft 6 to rotate. The turnover piece 3 is not rotated with the main shaft 6 but is rotatably arranged on the main shaft 6. This makes the overall structure compact and facilitates the arrangement of the first electromagnetic mechanism 7, the second electromagnetic mechanism 8 and the knob 4.

[0082] As shown in FIG. 2a and FIG. 2b, another improvement point of the application is the structural design of the energy storage mechanism, which provides a new energy storage mechanism. The energy storage mechanism comprises a first energy storage mechanism 1, a second energy storage mechanism 2 and a turnover piece 3. The turnover piece 3 is rotationally arranged and is provided with a first circular arc sliding groove 31 and a second circular arc sliding groove 32. The first energy storage mechanism 1 and the second energy storage mechanism 2 each comprise a linkage mechanism and an energy storage spring. The linkage mechanism comprises a pulling plate and a driven plate. One end of the energy storage spring is rotationally arranged, and the other end is connected with one end of the pulling plate. The other end of the pulling plate is hingedly connected with the driven plate through a linkage shaft. The driven plate is rotationally arranged and is directly or indirectly connected with the main shaft 6. The linkage shafts of the first energy storage mechanism 1 and the second energy storage mechanism 2 are respectively installed in the first circular arc sliding groove 31 and the second circular arc sliding groove 32 of the turnover piece 3. The linkage shafts of the first energy storage mechanism 1 and the second energy storage mechanism 2 can slide in the corresponding first circular arc sliding groove 31 and second energy storage mechanism 2. When the turnover piece 3 rotates, one of the two end side walls of the first circular arc sliding groove 31 or the second circular arc sliding groove 32 drives the corresponding linkage shaft to drive the linkage mechanism of the first energy storage mechanism 1 or the second energy storage mechanism 2 to move, so that the corresponding energy storage spring is first stored and then released to drive the linkage mechanism to drive the main shaft 6 to rotate after passing the balance position, and the linkage shaft slides to the other end of the first circular arc sliding groove 31 and the second circular arc sliding groove 32. The two end side walls of the first circular arc sliding groove 31 drive the linkage shaft to move in different directions.

[0083] The turnover piece 3 rotates to drive the linkage shaft of the first energy storage mechanism 1 through the first circular arc sliding groove 31 to drive the linkage mechanism of the first energy storage mechanism 1 to move, so that the energy storage spring of the first energy storage mechanism 1 is first stored and then released to drive the linkage mechanism of the first energy storage mechanism 1 to move to drive the main shaft 6 to rotate; or the turnover piece 3 rotates to drive the linkage shaft of the second energy storage mechanism 2 through the second circular arc sliding groove 32 to drive the linkage mechanism of the second energy storage mechanism 2 to make the energy storage spring of the second energy storage mechanism 2 first stored and then released to drive the linkage mechanism of the second energy storage mechanism 2 to move to drive the main shaft 6 to rotate.

[0084] As shown in FIG. 2a, FIG. 2b, FIG. 9a and FIG. 9b, the turnover piece 3 comprises a first circular arc sliding groove 31 and a second circular arc sliding groove 32. In this embodiment, the turnover piece 3 is rotationally installed on the main shaft 6 and rotates around the main shaft 6. Of course, the turnover piece 3 can also be installed on other rotating shafts instead of the main shaft 6. The linkage mechanisms of the first energy storage mechanism 1 and the second energy storage mechanism 2 are respectively a first linkage mechanism 12 and a second linkage mechanism 22. The energy storage springs of the first energy storage mechanism 1 and the second energy storage mechanism 2 are respectively a first energy storage spring 11 and a second energy storage spring 21. The linkage shafts of the first energy storage mechanism 1 and the second energy storage mechanism 2 are respectively a first linkage shaft 123 and a second linkage shaft 223.

[0085] The pulling plate and driven plate of the first linkage mechanism 12 are respectively a first driven plate 121 and a first pulling plate 122, the first driven plate 121 is rotationally arranged and connected with the main shaft 6, the first driven plate 121 is hingedly connected with one end of the first pulling plate 122 through a first linkage shaft 123, the other end of the first pulling plate 122 is connected with one end of the first energy storage spring 11, the other end of the first energy storage spring 11 is connected to a first energy storage spring fixing shaft 1023 of the support 102, and the first linkage shaft 123 is movably mounted in the first circular arc sliding groove 31 of the turnover piece 3. The turnover piece 3 drives the first linkage shaft 123 through one end of the first circular arc sliding groove 31, drives the first driven plate 121 and the first pulling plate 122 to rotate, and makes the first energy storage spring 11 store energy first. After the first energy storage spring 11 passes the balance position, the first energy storage spring 11 releases energy, drives the first driven plate 121 to rotate through the first pulling plate 122 and the first linkage shaft 123, and the first driven plate 121 drives the main shaft 6 to rotate. The balance position is shown in FIG. 3b, the rotation axis of the first energy storage spring 11 and the first driven plate 121 and the force direction of the first linkage shaft 123 are on the same straight line, and the first linkage shaft 123 slides to the other end of the first circular arc sliding groove 31 after the first energy storage spring 11 releases energy.

[0086] The second linkage mechanism 22 is similar to the first linkage mechanism 12 in structure, the pulling plate and driven plate of the second linkage mechanism 22 are respectively a second driven plate 221 and a second pulling plate 222, the second driven plate 221 is hingedly connected with one end of the second pulling plate 222 through a second linkage shaft 223, the other end of the second pulling plate 222 is connected with one end of the second energy storage spring 21, the other end of the second energy storage spring 21 is connected to a second energy storage spring fixing shaft 1024 of the support 102, and the second linkage shaft 223 is movably mounted in a second circular arc sliding groove 32 of the turnover piece 3. The turnover piece 3 drives the second linkage shaft 223 through one end of the second circular arc sliding groove 32, drives the second driven plate 221 and the second pulling plate 222 to rotate, and makes the second energy storage spring 21 store energy first. After the second energy storage spring 21 passes the balance position, the second energy storage spring 21 releases energy, drives the second driven plate 221 to rotate through the second pulling plate 222 and the second linkage shaft 223, and the second driven plate 221 drives the main shaft 6 to rotate after the driven plate driving part 1213 is in contact with the main shaft linkage part 61. The second linkage shaft 223 slides to the other end of the second circular arc sliding groove 32 after the second energy storage spring 21 releases energy.

[0087] The driven plates of the first and second energy storage mechanisms 1 and 2, i.e. the first driven plate 121 and the second driven plate 221, can be directly or indirectly connected with the main shaft 6. In the embodiment, the driven plates of the first and second energy storage mechanisms 1 and 2 are each provided with a driven plate rotation hole 1212, the driven plate rotation hole 1212 is provided with a driven plate driving part 1213, the main shaft 6 is provided with a main shaft linkage part 61, the driven plate is sleeved on the main shaft 6 through the driven plate rotation hole 1212, the driven plate can rotate around the main shaft 6, and after the driven plate driving part 1213 is in contact with the main shaft linkage part 61, the driven plate drives the main shaft 6 to rotate. The operating mechanism of the embodiment directly installs the driven plate of the connecting rod mechanism on the main shaft 6, the driven plate can rotate around the main shaft 6, and after the driven plate driving part 1213 is in contact with the main shaft linkage part 61, the driven plate drives the main shaft 6 to rotate, without the need for an extra transmission structure, and has the characteristics of simple and compact structure.

[0088] In particular, when the first energy storage mechanism 1 is driven by the turnover part 3 to store energy first and release energy after passing the balance position, the driven plate driving part 1213 of the driven plate of the first energy storage mechanism 1 is in contact with the main shaft linkage part 61 only when the energy storage spring of the first energy storage mechanism 1 reaches the balance position or after passing the balance position, i.e. during the energy storage process before the energy storage spring of the first energy storage mechanism 1 reaches the balance position, the driven plate of the first energy storage mechanism 1 rotates around the main shaft 6, the driven plate driving part 1213 moves in the direction of approaching the main shaft linkage part 61, and the two are not in contact with each other. When the second energy storage mechanism 2 is driven by the turnover part 3 to store energy first and release energy after passing the balance position, the driven plate driving part 1213 of the driven plate of the second energy storage mechanism 2 is in contact with the main shaft linkage part 61 only when the energy storage spring of the second energy storage mechanism 2 reaches the balance position or after passing the balance position, i.e. during the energy storage process before the energy storage spring of the second energy storage mechanism 2 reaches the balance position, the driven plate of the second energy storage mechanism 2 rotates around the main shaft 6, the driven plate driving part 1213 moves in the direction of approaching the main shaft linkage part 61, and the two are not in contact with each other. In this way, during the energy storage process of the energy storage mechanism, the main shaft 6 does not move, and after the energy storage mechanism releases energy, the main shaft 6 is quickly rotated to switch the power supply, the switching speed of the automatic transfer switch is independent of the speed of the manual operating mechanism and the automatic operating mechanism, the operating mechanism can quickly drive the main shaft 6 to switch the power supply, the burning of the arc on the contact system of the switch is reduced, and the performance and reliability of the transfer switch are improved.

[0089] Of course, as other poor embodiments, the driven plates of the first energy storage mechanism 1 and the second energy storage mechanism 2 can also be sleeved on the main shaft 6 and fixedly connected with the main shaft 6 to rotate synchronously, but this scheme needs larger operating force when performing the opening and closing operation. As other poor embodiments, the driven plates of the first energy storage mechanism 1 and the second energy storage mechanism 2 can also be respectively arranged on both sides of the main shaft 6 to drive the main shaft 6 to rotate through the protruding structure outside the driven plate, or to indirectly drive the main shaft 6 to rotate through a transmission mechanism, for example, the transmission mechanism is two incomplete gear driving cooperation, or the transmission mechanism is link and sliding groove driving cooperation, etc.

[0090] Specifically, as shown in FIGS. 10a-11b, the first driven plate 121 and the second driven plate 221 of the embodiment are similar in structure, and are each provided with a driven plate rotating hole 1212, the driven plate rotating hole 1212 is provided with a protruding structure as a driven plate driving part 1213, the main shaft 6 is provided with a main shaft linkage part 61 matched with the driven plate driving part 1213, the main shaft 6 is provided with an arc side wall for the rotation of the driven plate rotating hole 1212, and a main shaft avoiding notch 62 for avoiding the driven plate driving part 1213, the connection between the main shaft avoiding notch 62 and the arc side wall also serves as the main shaft linkage part 61, the driven plates of the first energy storage mechanism 1 and the second energy storage mechanism 2 can rotate within the range of the area corresponding to the driven plate driving part 1213 and the main shaft avoiding notch 62, the driven plate driving part 1213 is in contact with the main shaft linkage part 61 when rotating to the connection between the main shaft avoiding notch 62 and the arc side wall, and the rotation of the driven plates of the first energy storage mechanism 1 and the second energy storage mechanism 2 can drive the main shaft 6 to rotate.

[0091] The assembly structure of the embodiment is convenient to assemble, easy to realize, and can be compatible with the installation of the turnover piece 3 and the driven plate. As shown in FIGS. 11a and 11b, the main shaft 6 includes a main shaft first connecting section 63, a main shaft mounting section 64, a main shaft second connecting section 65, and a main shaft output section 66 arranged in sequence. The cross section of the main shaft mounting section 64 includes alternatingly arranged circular arc side walls and flat side walls, the centers of the circular arc side walls are the same, the circular arc side walls are used for the driven plate to rotate, the notch forming the flat side wall is a main shaft avoiding notch 62, and the connection between the main shaft avoiding notch 62 and the circular arc side wall is a main shaft linkage part 61. In the embodiment, the cross sections of the main shaft first connecting section 63, the main shaft mounting section 64, the main shaft second connecting section 65, and the main shaft output section 66 are all waist-circular, including two circular arc side walls arranged oppositely and two flat side walls arranged oppositely, the two ends of the two circular arc side walls are connected between the two circular arc side walls respectively, and two driven plate driving parts 1213 are also arranged on the corresponding driven plate. The main shaft first connecting section 63 and the main shaft second connecting section 65 correspond to the first side plate 103 and the second side plate 104 respectively, the main shaft mounting section 64 is located between the first side plate 103 and the second side plate 104, and is used for mounting the first driven plate 121 and the second driven plate 221 and the turnover piece 3, and the main shaft output section 66 is used for connecting with the switch contact system. A baffle mounting groove 67 is also arranged on the main shaft second connecting section 65, and is used for mounting the baffle 54 (FIG. 12). Obviously, as other embodiments, the cross sections of the main shaft first connecting section 63, the main shaft second connecting section 65, and the main shaft output section 66 can also have other shapes, such as rectangular, polygonal, etc.

[0092] The first driven plate 121 and the second driven plate 221 are rotatably mounted on the main shaft mounting section 64 of the main shaft 6 through the driven plate rotating holes 1212 respectively, and the turnover piece 3 is rotatably mounted on the main shaft 6 through the circular turnover piece rotating hole 33 and is located between the first driven plate 121 and the second driven plate 221. The turnover piece 3 can rotate around the main shaft 6, the first driven plate 121 and the second driven plate 221 can rotate around the main shaft 6, and the driven plate driving part 1213 of the driven plate rotating hole 1212 drives the main shaft 6 to rotate after contacting the main shaft linkage part 61.

[0093] The turnover piece 3 drives the first connecting rod shaft 123 through the first circular arc sliding groove 31, drives the first driven plate 121 and the first pulling plate 122 to rotate, and makes the first energy storage spring 11 store energy first. At this time, the driven plate driving part 1213 corresponds to the main shaft avoiding gap 62, does not drive the main shaft 6 to rotate, and after the first energy storage spring 11 passes the balance position (or when the first energy storage spring 11 is at the balance position), the driven plate driving part 1213 of the first driven plate 121 is in contact with the main shaft linkage part 61, the first energy storage spring 11 releases energy, drives the first pulling plate 122 to rotate, the first driven plate 121 drives the main shaft 6 to rotate. The turnover piece 3 drives the second connecting rod shaft 223 through the second circular arc sliding groove 32, drives the second driven plate 221 and the second pulling plate 222 to rotate, and makes the second energy storage spring 21 store energy first. After the second energy storage spring 21 passes the balance position (or when the second energy storage spring 21 is at the balance position), the driven plate driving part 1213 of the second driven plate 221 is in contact with the main shaft linkage part 61, the second energy storage spring 21 releases energy, drives the second pulling plate 222 to rotate, and after the driven plate driving part 1213 is in contact with the main shaft linkage part 61, the second driven plate 221 drives the main shaft 6 to rotate.

[0094] It should be noted that one or more driven plate driving parts 1213 can be arranged in the driven plate rotating hole 1212, and the corresponding main shaft avoiding gap 62 can also be one or more. In addition, as another embodiment, the main shaft avoiding gap 62 is a groove structure formed on the circular arc side wall of the main shaft, the driven plate driving part 1213 extends into the groove structure, and the side walls on both sides of the groove structure serve as the main shaft linkage part 61. As another embodiment, the driven plate driving part 1213 is a groove structure in the driven plate rotating hole 1212, and the main shaft linkage part 61 is a convex structure protruding radially on the main shaft 6. The convex structure on the main shaft 6 extends into the groove structure in the driven plate rotating hole 1212. The driven plate can rotate around the circular arc side wall of the main shaft 6 within the range of the area corresponding to the groove structure and the convex structure. When the side wall of the groove structure is in contact with the convex structure of the main shaft 6, the driven plate is in contact with the main shaft 6.

[0095] The operating mechanism of the embodiment is the operating mechanism of a three-position change-over switch. The turnover piece 3 is arranged to rotate and can rotate to a turnover piece first position, a turnover piece intermediate position and a turnover piece second position. The turnover piece first position and the turnover piece second position are symmetrically arranged on both sides of the turnover piece intermediate position. The main shaft 6 can rotate between a main power closing position, a double split position and a standby power closing position. When the turnover piece 3 is located at the turnover piece intermediate position, the main shaft 6 is located at the double split position. When the turnover piece is located at the turnover piece first position, the main shaft 6 is located at the main power closing position. When the turnover piece is located at the turnover piece second position, the main shaft 6 is located at the standby power closing position.

[0096] When the turnover piece 3 rotates from the turnover piece intermediate position to the turnover piece first position, or from the turnover piece first position to the turnover piece intermediate position, the first connecting rod mechanism 12 drives the first energy storage spring 11 to store energy first and then release energy after passing the balance position (dead point position), and the first energy storage spring 11 drives the first connecting rod mechanism 12 to drive the main shaft 6 to rotate to the corresponding main power closing position or double split position; when the turnover piece 3 rotates from the turnover piece intermediate position to the turnover piece second position, or from the turnover piece second position to the turnover piece intermediate position, the second connecting rod mechanism 22 drives the second energy storage spring 21 to store energy first and then release energy after passing the balance position (dead point position), and the second energy storage spring 21 drives the second connecting rod mechanism 22 to drive the main shaft 6 to rotate to the corresponding standby power closing position or double split position.

[0097] It should be noted that, as other embodiments, the operating mechanism of the present embodiment can also be used for two-position transfer switches, such as adjusting the positions and lengths of the first circular arc sliding groove 31 and the second circular arc sliding groove 32, the turnover piece 3 can rotate to the turnover piece first position and the turnover piece second position, and the main shaft 6 can rotate between the main power closing position and the standby power closing position. When the turnover piece 3 moves from the turnover piece second position to the turnover piece first position, the first connecting rod mechanism 12 drives the first energy storage spring 11 to store energy first and then release energy after passing the balance position (dead point position), and the first energy storage spring 11 drives the first connecting rod mechanism 12 to drive the main shaft 6 to rotate to the corresponding main power closing position; when the turnover piece 3 moves from the turnover piece first position to the turnover piece second position, the second connecting rod mechanism 22 drives the second energy storage spring 21 to store energy first and then release energy after passing the balance position (dead point position), and the second energy storage spring 21 drives the second connecting rod mechanism 22 to drive the main shaft 6 to rotate to the corresponding standby power closing position or double split position.

[0098] The specific action process of the energy storage mechanism is as follows: as shown in FIGS. 2b, 2d, 3a, 3b, 4a, 4b, 4c, 5a and 5b, when the turnover piece 3 rotates from the turnover piece middle position to the turnover piece first position or from the turnover piece first position to the turnover piece middle position, the first connecting rod shaft 123 is located at one end side wall of the first circular arc sliding groove 31, the turnover piece 3 drives the first connecting rod shaft 123 through the end side wall of the first circular arc sliding groove 31, and then drives the first driven plate 121 and the first pulling plate 122 to move, the first pulling plate 122 is pulled to store energy in the first energy storage spring 11, when the first energy storage spring 11 is in the balance position, the energy storage is completed, wherein the balance position is shown in FIGS. 3b and 5b, the rotating shaft center of the first energy storage spring 11, the first driven plate 121 and the force direction of the first connecting rod shaft 123 are on the same straight line, and the force is balanced, the force of the first energy storage spring 11 and the first connecting rod shaft 123 is counteracted, the turnover piece 3 continues to rotate counterclockwise (as shown in FIG. 3b) or clockwise (as shown in FIG. 5b) to drive the first driven plate 121 and the first pulling plate 122 to drive the first energy storage spring 11 to slightly pass the balance position, then the turnover piece 3 reaches the turnover piece first position or the turnover piece middle position, the driven plate driving part 1213 is in contact with the main shaft linkage part 61 for limiting, the energy of the first energy storage spring 11 is released, the first energy storage spring 11 pulls the first pulling plate 122, so that the first pulling plate 122 drives the first driven plate 121 through the first connecting rod shaft 123 to rotate, the first driven plate 121 drives the main shaft 6 to rotate to the corresponding main power closing position or double split position through the driven plate driving part 1213, so as to realize the state switching of the automatic transfer switch, and the first energy storage spring 11 releases energy, the first connecting rod shaft 123 slides from one end side wall of the first circular arc sliding groove 31 to the other end of the first circular arc sliding groove 31, and the turnover piece 3 does not rotate. In this process, the second connecting rod shaft 223 of the second connecting rod mechanism 22 slides in the second circular arc sliding groove 32 of the turnover piece 3, and slides from one end side wall to the other end side wall of the second circular arc sliding groove 32, and the second connecting rod mechanism 22 does not act.

[0099] As shown in FIGS. 2b, 6a, 6b, 6b, 7a and 8a, when the turnover piece 3 rotates from the turnover piece middle position to the turnover piece second position or from the turnover piece second position to the turnover piece middle position, the turnover piece 3 drives the second connecting rod mechanism 22 to act through the second circular arc sliding groove 32 and the second connecting rod shaft 223, and the action process is similar to that of the first connecting rod mechanism 12 and the first energy storage spring 11, which will not be described herein. In this process, the first connecting rod shaft 123 of the first connecting rod mechanism 12 slides in the first circular arc sliding groove 31 of the turnover piece 3, and the first connecting rod mechanism 12 does not act.

[0100] Preferably, the operating mechanism is provided with a first connecting rod limiting part 1025 and a second connecting rod limiting part, respectively used for limiting the rotating position of the driven plate after the energy release of the first energy storage mechanism 1 and the second energy storage mechanism 2, so as to accurately and reliably limit the rotating position of the main shaft 6. In the embodiment, the first connecting rod limiting part 1025 and the second connecting rod limiting part are arranged on the bracket 102, as shown in FIG. 18, two first connecting rod limiting parts 1025 are arranged on the first side plate 103, respectively used for limiting the rotating position of the first driven plate 121 after the energy release of the first energy storage mechanism 1 when the turnover piece 3 rotates to the first position of the turnover piece and the intermediate position of the turnover piece; correspondingly, two second connecting rod limiting parts are arranged on the second side plate 104, respectively used for limiting the rotating position of the second driven plate 221 after the energy release of the second energy storage mechanism 2 when the turnover piece 3 rotates to the second position of the turnover piece and the intermediate position of the turnover piece. Of course, as other embodiments, the first connecting rod limiting part 1025 and the second connecting rod limiting part can also not be arranged, and the rotating position of the first driven plate 121 and the second driven plate 221 can be limited only by the side walls at both ends of the first circular arc sliding groove 31 and the second circular arc sliding groove 32 of the turnover piece 3.

[0101] As shown in FIGS. 10a and 10b, one preferred embodiment of the first connecting rod mechanism 12 and the second connecting rod mechanism 22, the structures of the two are the same, and each includes a driven plate and a pulling plate, and the structure of the driven plate and the pulling plate will be described below by taking the driven plate and the pulling plate of the first connecting rod mechanism 12, i.e., the first driven plate 121 and the first pulling plate 122, as an example. The first driven plate 121 includes a driven plate rotating part, a driven plate rotating hole 1212 is arranged in the middle of the driven plate rotating part, a driven plate connecting part is protruded radially outside the driven plate rotating part, the driven plate connecting part is hinged with one end of the first pulling plate 122 through a first connecting rod shaft 123, and a protruding structure is arranged in the driven plate rotating hole 1212 as a driven plate driving part 1213; a driven plate limiting part 1216 is further protruded radially outside the driven plate rotating part, used for cooperating with the first connecting rod limiting part 1025 on the bracket 102, and the driven plate limiting part 1216 and the driven plate connecting part are respectively located on both sides of the driven plate rotating part. The first pulling plate 122 is in a plate structure, the first end of the first pulling plate 122 is connected with the first energy storage spring 11, the second end is connected with the first driven plate 121, and the first pulling plate 122 has a bending part between the first end and the second end. In the embodiment, the bending part makes the first pulling plate 122 into a V-shaped structure or a U-shaped structure, which is helpful to avoid the main shaft 5, reduce the rotating distance of the first driven plate 121 and the first pulling plate 122, and reduce the occupied space during the rotation of the first connecting rod mechanism 12. As other embodiments, the first pulling plate 122 can also be in a straight line structure or other shapes or be provided with multiple bending parts.

[0102] Preferably, the driven plates of the first linkage mechanism 12 and the second linkage mechanism 22 each include two driven pieces 1214 arranged in relative spacing, the pulling plate can be turned into the space between the two driven pieces 1214, the two driven pieces 1214 are connected by a plurality of driven piece fixing shafts, the second end of the pulling plate of the first linkage mechanism 12 and the second linkage mechanism 22 extends into the space between the two driven pieces 1214, the linkage shaft passes through the two driven pieces 1214 and the second end of the pulling plate to hinge the driven plate and the pulling plate, the driven plate and the pulling plate can rotate around the linkage shaft. Preferably, a pulling plate limiting shaft 1215 is arranged between the two driven pieces 1214, which is used to limit the rotation angle of the pulling plate. Preferably, a limiting plate driving part 1211 is arranged between the two driven pieces 1214. The pulling plate limiting shaft 1215 and the limiting plate driving part 1211 are also the driven piece fixing shafts between the two driven pieces 1214.

[0103] As shown in FIG. 2b, the first energy storage mechanism 1 and the second energy storage mechanism 2 are arranged in axial symmetry, the symmetry axis is a vertical line in the vertical direction passing through the rotation axis of the turnover piece 3 or the main shaft 6 in FIG. 2b, that is, a vertical line passing through the rotation axis of the first driven plate 121, the symmetry axis is perpendicular to the axial direction of the main shaft 6 and passes through the rotation axis of the turnover piece 3, the first energy storage spring 11 and the second energy storage spring 21 are respectively located on both sides of the symmetry axis, the two ends of the first pulling plate 122 are also respectively located on both sides of the symmetry axis, and the two ends of the second pulling plate 222 are also respectively located on both sides of the symmetry axis. The first energy storage spring fixing shaft 1023, the first energy storage spring 11, and the first end of the first pulling plate 122, and the second end of the second pulling plate 222 are located on one side of the symmetry axis (left side of FIG. 2b), the second energy storage spring fixing shaft 1024, the second energy storage spring 21, and the first end of the second pulling plate 222, and the second end of the first pulling plate 122 are located on the other side of the symmetry axis (right side of FIG. 2b).

[0104] Another improvement point of the present application is that the operating mechanism further includes a dial 4, which can be used as part of a manual operating mechanism, and / or part of an automatic operating mechanism, and / or used to cooperate to lock the position of the turnover piece 3 and the main shaft 6.

[0105] The cooperation structure between the toggle member 4 and the turnover member 3 will be described below. The manual operating mechanism of the embodiment includes the toggle member 4, which is drivingly connected with the turnover member 3 and used to drive the turnover member 3 to rotate to the first position of the turnover member, the intermediate position of the turnover member and the second position of the turnover member. As shown in FIGS. 9a, 9b and 13, the toggle member 4 is rotatably arranged in the embodiment. The turnover member 3 is provided with a first linkage portion 34, and the toggle member 4 is provided with a second linkage portion 41. The toggle member 4 is linked with the turnover member 3 through the second linkage portion 41. The toggle member 4 can rotate to the first position of the toggle member, the intermediate position of the toggle member and the second position of the toggle member. The first position of the toggle member and the second position of the toggle member are symmetrically arranged on both sides of the intermediate position of the toggle member. When the toggle member 4 rotates to the first position of the toggle member, the intermediate position of the toggle member and the second position of the toggle member, the turnover member 3 is correspondingly driven to rotate to the first position of the turnover member, the intermediate position of the turnover member and the second position of the turnover member, respectively. The first energy storage mechanism 1 or the second energy storage mechanism 2 is driven to rotate the main shaft 6 through the turnover member 3. Preferably, when the turnover member 3 rotates to the first position of the turnover member, the intermediate position of the turnover member and the second position of the turnover member, the toggle member 4 is correspondingly driven to rotate to the first position of the toggle member, the intermediate position of the toggle member and the second position of the toggle member, respectively. In this way, the toggle member 4 can play a role of indicating the state of the turnover member 3. Obviously, as other embodiments, the rotation of the toggle member 4 can drive the turnover member 3 to rotate in one direction, and the rotation of the turnover member 3 can not drive the toggle member 4, which also belongs to the protection scope of the present application.

[0106] In the embodiment, as shown in FIGS. 2c, 9a, 9b and 13, the first linkage portion 34 and the second linkage portion 41 are gears, and the turnover member 3 and the toggle member 4 are linked in the gear meshing manner. Obviously, as other embodiments, the turnover member 3 and the toggle member 4 can also be drivingly connected through hinging, cooperation between a driving rod and a driving slot, etc. For example, a driving slot is arranged on the turnover member 3, and the toggle member 4 can be provided with a driving rod matched with the driving slot. The driving rod is inserted into the driving slot, and the turnover member 3 is driven to rotate to both sides by pushing the two side walls of the driving slot. In addition, the toggle member 4 can also indirectly drive the turnover member 3 through a connecting rod, a lever and other transmission mechanisms, which also belong to the protection scope of the present application.

[0107] As shown in Fig. 13, the toggle 4 is provided with a toggle driving part 45 for manual operation, for driving the toggle 4 to rotate. In the present embodiment, the toggle driving part 45 is a hole structure, and the toggle 4 is driven to rotate by inserting a driving rod. Obviously, as another embodiment, the toggle driving part 45 can also be a protruding handle, which extends out of the shell of the operating mechanism, and the toggle 4 is driven to rotate by directly operating the handle. In addition, the manual operating mechanism can also include other transmission mechanisms, and the toggle 4 can be indirectly driven to rotate by the other transmission mechanisms. If the toggle 4 is driven by an electric operating mechanism, the toggle 4 can be part of an automatic operating mechanism, and is not used in the manual operating mechanism. For example, the automatic operating mechanism includes a first electromagnetic mechanism 7 and a second electromagnetic mechanism 8, each of which includes an electromagnetic part and a moving rod 782 connected to the electromagnetic part, and the moving rod 782 is driven to rotate the toggle 4 when the electromagnetic part is energized. Alternatively, the automatic operating mechanism includes a motor and a gear set connected to the motor, and the motor drives the toggle 4 to rotate through the gear set. The gear set and the toggle 4 can adopt incomplete gear transmission.

[0108] Preferably, the toggle 4 is used to drive an indicating mechanism to indicate the state of the operating mechanism. For example, the toggle 4 has an indicating part for indicating the state of the operating mechanism. In an alternative, the toggle 4 is provided with an indicating rod (not shown in the figure) extending out of the shell of the operating mechanism as the indicating part, and the shell of the operating mechanism is provided with indicating marks. When the toggle 4 is rotated to the first position, the middle position and the second position of the toggle, the indicating rod corresponds to different indicating marks respectively, so as to indicate the state of the operating mechanism. The indicating mechanism includes the indicating part of the toggle 4 and the indicating marks. Preferably, the handle simultaneously serves as the indicating rod. Two or three indicating marks can be provided outside the shell of the operating mechanism. In another alternative, the toggle 4 is provided with a plurality of indicating marks (not shown in the figure) as the indicating part, and the shell of the operating mechanism is provided with an indicating window. When the toggle 4 is rotated to the first position, the middle position and the second position of the toggle, different indicating marks correspond to the indicating window, and the indicating mechanism includes the indicating part of the toggle 4 and the indicating window. As another embodiment, the indicating mechanism includes an indicating member, and the toggle 4 drives the indicating member to move to indicate the state of the operating mechanism.

[0109] It should be noted that the manual operating mechanism can also not use the toggle 4 arranged to rotate, but can also use a sliding push rod or other ways to drive and cooperate with the flipping piece 3.

[0110] Another improvement of the present application is that a main shaft locking mechanism 5 is provided for locking the main shaft 6 in the main power closing position or the standby power closing position, when the turnover member 3 is rotated to the first position of the turnover member, the main shaft locking mechanism 5 is driven to lock the main shaft 6, so that the main shaft 6 cannot be rotated to the double-break position, when the turnover member 3 is rotated to the intermediate position of the turnover member, the main shaft locking mechanism 5 is driven to release the lock of the main shaft 6, when the turnover member 3 is rotated to the second position of the turnover member, the main shaft locking mechanism 5 is driven to lock the main shaft 6, so that the main shaft 6 cannot be rotated to the double-break position, thus avoiding other mechanisms outside the operating mechanism to drive the main shaft 6 to turn over, improving the reliability and safety.

[0111] As shown in FIG. 2d, 11a, 11b, FIG. 12 and FIG. 15, the main shaft locking mechanism 5 of the present embodiment comprises a first lever 51 and a second lever 52, the first lever 51 is provided with a first lever locking portion 512, the second lever 52 is provided with a second lever locking portion 522, the main shaft 6 is provided with a first locking portion 541 and a second locking portion 542; when the turnover member 3 is moved to the first position of the turnover member, the first lever 51 is avoided, the first elastic member 53 drives the first lever 51 to drive the first lever locking portion 512 to move in the direction close to the main shaft 6, when the main shaft 6 is rotated to the main power closing position, the first locking portion 541 of the main shaft 6 is locked with the first lever locking portion 512, so that the main shaft 6 cannot be rotated to the double-break position, thus locking the main shaft 6 in the main power closing position; when the turnover member 3 is moved to the second position of the turnover member, the second lever 52 is avoided, the second elastic member drives the second lever 52 to drive the second lever locking portion 522 to move in the direction close to the main shaft 6, when the main shaft 6 is rotated to the standby power closing position, the second locking portion 542 of the main shaft 6 is locked with the second lever locking portion 522, so that the main shaft 6 cannot be rotated to the double-break position, thus locking the main shaft 6 in the standby power closing position; when the turnover member 3 is rotated from the first position of the turnover member to the intermediate position of the turnover member, the first lever 51 is driven to overcome the force of the first elastic member 53 to drive the first lever locking portion 512 to move in the direction away from the main shaft 6, thus releasing the locking cooperation with the first locking portion 541 of the main shaft 6; when the turnover member 3 is rotated from the second position of the turnover member to the intermediate position of the turnover member, the second lever 52 is driven to overcome the force of the second elastic member to drive the second lever locking portion 522 to move in the direction away from the main shaft 6, thus releasing the locking cooperation with the second locking portion 542 of the main shaft 6.

[0112] As shown in FIG. 2d, FIG. 4c, FIG. 5c, FIG. 7b and FIG. 8b, in a preferred embodiment, the first elastic member 53 also serves as the second elastic member, that is, the first elastic member 53 and the second elastic member are the same elastic member, the first elastic member 53 is connected between the first lever 51 and the second lever 52, only one first elastic member 53 is needed, thus simplifying the structure.

[0113] The main shaft locking mechanism 5 in the embodiment also comprises a baffle 54 fixedly arranged on the main shaft 6, and the first locking part 541 and the second locking part 542 are arranged on the baffle 54. Referring to FIG. 12, the baffle 54 is provided with a baffle mounting hole 543 in the middle part, and the baffle 54 is sleeved on the main shaft 6 through the baffle mounting hole 543 and rotates integrally with the main shaft 6. As another embodiment, the baffle 54 can also be integrally formed with the main shaft 6, that is, the first locking part 541 and the second locking part 542 are directly arranged on the main shaft 6.

[0114] In the embodiment, the turnover piece 3 drives the main shaft locking mechanism 5 through the poking piece 4. When the turnover piece 3 rotates to the turnover piece first position, the turnover piece middle position and the turnover piece second position, the poking piece 4 rotates to the poking piece first position, the poking piece middle position and the poking piece second position respectively, and when the poking piece 4 rotates to the poking piece first position and the poking piece second position, it drives the main shaft locking mechanism 5 to lock the main shaft 6, so that the main shaft 6 cannot rotate to the double-split position. When the poking piece 4 rotates to the poking piece middle position, it drives the main shaft locking mechanism 5 to unlock the main shaft 6. Of course, the turnover piece 3 can also directly drive the first lever 51 and the second lever 52, or drive the first lever 51 and the second lever 52 through other transmission structures.

[0115] Specifically, as shown in FIG. 2d, FIG. 4c, FIG. 5c, FIG. 7b and FIG. 8b, the main shaft locking mechanism 5 of the embodiment comprises a first lever 51, a second lever 52, a first elastic member 53 and a baffle 54; the first lever 51 and the second lever 52 are arranged side by side and spaced apart, the first end of the first lever 51 is rotatably arranged, and the second end is provided with a first lever sliding groove 511 which is sleeved on a first lever limiting shaft 513 of the support 102 to limit the rotation angle of the first lever 51; the first end of the second lever 52 is rotatably arranged, and the second end is provided with a second lever sliding groove 521 which is sleeved on a second lever limiting shaft 523 of the support 102 to limit the rotation angle of the second lever 52; the first elastic member 53 is connected between the second end of the first lever 51 and the second end of the second lever 52, for driving the second end of the first lever 51 and the second end of the second lever 52 to approach each other; the third actuating part 44 is provided on the actuating member 4, and is located between the second end of the first lever 51 and the second end of the second lever 52; the side of the first lever 51 provided with a first lever locking part 512 and the side of the second lever 52 provided with a second lever locking part 522 are oppositely and spacedly arranged, and are respectively located on two sides of the main shaft 6; the baffle 54 is fixedly installed on the main shaft 6 and rotates with the main shaft 6, and is located between the first lever 51 and the second lever 52; the side of the baffle 54 is provided with a first locking part 541 and a second locking part 542, the first locking part 541 cooperates with the first lever locking part 512 to lock the main shaft 6 at the main power closing position, and the second locking part 542 cooperates with the second lever locking part 522 to lock the main shaft 6 at the standby power closing position.

[0116] As shown in FIG. 2d, in the double-split state, the actuating member 4 is located at the actuating member intermediate position, the turnover member 3 is located at the turnover member intermediate position, the main shaft 6 is located at the double-split position, and the third actuating part 44 of the actuating member 4 is also located at the intermediate position; due to the action of the first elastic member 53, the second end of the first lever 51 and the second end of the second lever 52 simultaneously contact the third actuating part 44 of the actuating member 4; the first lever locking part 512 of the first lever 51 and the second lever locking part 522 of the second lever 52 are respectively misaligned with the corresponding first locking part 541 and second locking part 542, and correspond to the arc-shaped side 544 of the baffle 54, and do not lock the main shaft 6.

[0117] As shown in Fig. 2d and Fig. 4c, when the toggle 4 rotates from the toggle intermediate position to the toggle first position, the flipper 3 rotates from the flipper intermediate position to the flipper first position and drives the first energy storage mechanism 1 to store energy first, the third toggle part 44 of the toggle 4 drives the second end of the second lever 52 to move the second lever locking part 522 away from the baffle 54 in the direction away from the main shaft 6, the third toggle part 44 of the toggle 4 avoids the second end of the first lever 51, and under the action of the first elastic part 53, the first lever 51 drives the first lever locking part 512 to move in the direction close to the main shaft 6, thereby exerting greater force, then the flipper 3 drives the first energy storage mechanism 1 to release energy after passing the balance position, and the main shaft 6 also rotates from the double-break position to the main power closing position (counterclockwise rotation from Fig. 2d to Fig. 4c) under the release drive of the first energy storage mechanism 1, the first locking part 541 of the main shaft 6 is locked with the first lever locking part 512, so that the main shaft 6 cannot rotate to the double-break position (cannot rotate clockwise in Fig. 4c) at this time, and the main shaft 6 is locked in the main power closing position. Referring to Fig. 4c, when the toggle 4 rotates from the toggle first position to the toggle intermediate position, the flipper 3 also rotates from the flipper first position to the flipper intermediate position and drives the first energy storage mechanism 1 to store energy, the third toggle part 44 of the toggle 4 drives the first lever 51 to move the first lever locking part 512 away from the first locking part 541 of the baffle 54 in the direction away from the main shaft 6 against the force of the first elastic part 53, thereby unlocking the main shaft 6, then the flipper 3 drives the first energy storage mechanism 1 to release energy after passing the balance position, and the main shaft 6 rotates to the double-break position under the release drive of the first energy storage mechanism 1. The double-break position of the main shaft locking mechanism 5 is shown in Fig. 2d.

[0118] As shown in Fig. 2d and Fig. 7b, when the toggle 4 rotates from the toggle intermediate position to the toggle second position, the flipper 3 rotates from the flipper intermediate position to the flipper second position and drives the second energy storage mechanism 2 to store energy first, the third toggle part 44 of the toggle 4 drives the second end of the first lever 51 to move the first lever locking part 512 away from the baffle 54 in the direction away from the main shaft 6, the third toggle part 44 of the toggle 4 avoids the second end of the second lever 52, and under the action of the first elastic part 53, the second lever 52 drives the second lever locking part 522 to move in the direction close to the main shaft 6, thereby exerting greater force, then the flipper 3 drives the second energy storage mechanism 2 to release energy after passing the balance position, and the main shaft 6 also rotates from the double-break position to the standby power closing position (clockwise rotation from Fig. 2d to Fig. 7b) under the release drive of the second energy storage mechanism 2, the second locking part 542 of the main shaft 6 is locked with the second lever locking part 522, so that the main shaft 6 cannot rotate to the double-break position (cannot rotate counterclockwise in Fig. 7b) at this time, and the main shaft 6 is locked in the standby power closing position.

[0119] When the toggle 4 rotates from the toggle second position to the toggle intermediate position, the turnover 3 also rotates from the turnover second position to the turnover intermediate position, and the second energy storage mechanism 2 is driven to store energy. The third toggle part 44 of the toggle 4 drives the second lever 52 to move the second lever locking part 522 away from the main shaft 6 against the force of the first elastic part 53, so that the second lever locking part 522 is away from the second locking part 542 of the baffle 54, and the locking of the main shaft 6 is released. Then, the turnover 3 drives the second energy storage mechanism 2 to pass the balance position and release energy. The main shaft 6 rotates to the double split position under the driving of the second energy storage mechanism 2.

[0120] As shown in FIG. 12, the baffle 54 is in a circular structure, has a circular arc side 544, and the circular arc side 544 is provided with a locking groove. The two side walls of the locking groove are respectively the first locking part 541 and the second locking part 542. The baffle 54 is provided with a baffle mounting hole 543 in the middle. The baffle 54 is mounted on the main shaft 6 through the baffle mounting hole 543 and rotates integrally with the main shaft 6. As other embodiments, the baffle 54 can also be integrally formed with the main shaft 6.

[0121] As shown in FIG. 15, the second lever 52 has the same structure as the first lever 51. The first lever 51 and the second lever 52 are in a plate structure. The first end is provided with a rotating hole and is rotatably mounted on the support 102. The second end is provided with a circular arc hole and is respectively the first lever sliding groove 511 and the second lever sliding groove 521.

[0122] The opposite side edges of the first lever 51 and the second lever 52 are sequentially provided with a first circular arc surface 551, a locking protruding part 552, and a second circular arc surface 553 from the first end to the second end. The locking protruding part 552 on the first lever 51 and the second lever 52 is respectively the first lever locking part 512 and the second lever locking part 522. Preferably, the side surface of the locking protruding part 552 close to the first circular arc surface 551 is a circular arc, which is part of the first circular arc surface 551. The circular arc side 544 of the baffle 54 can cooperate with the first circular arc surface 551 to facilitate lifting the first lever 51 or the second lever 52 to lock the first locking part 541 or the second locking part 542 with the corresponding first lever locking part 512 and the second lever locking part 522. The side surface of the locking protruding part 552 close to the second circular arc surface 553 is a plane, which is used for locking cooperation with the first locking part 541 of the main shaft 6. Preferably, the opposite side edges of the first lever 51 and the second lever 52 are provided with a second protruding part 554 at the second end, which is used for cooperation with the third toggle part 44 of the toggle 4.

[0123] Another improvement of the present application is the automatic operating mechanism and the driving cooperation structure of the turnover piece 3. As shown in FIG. 2a and FIG. 2c, the automatic operating mechanism of the present embodiment comprises a first electromagnetic mechanism 7 and a second electromagnetic mechanism 8. The first electromagnetic mechanism 7 is used to drive the turnover piece 3 to rotate from the second position of the turnover piece to the intermediate position of the turnover piece, and from the intermediate position of the turnover piece to the first position of the turnover piece. The second electromagnetic mechanism 8 is used to drive the turnover piece 3 to rotate from the first position of the turnover piece to the intermediate position of the turnover piece, and from the intermediate position of the turnover piece to the second position of the turnover piece. The first energy storage mechanism 1 or the second energy storage mechanism 2 is driven to rotate the main shaft 6 by the turnover piece 3.

[0124] As shown in FIG. 2c and FIG. 16, the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 each comprise an electromagnetic component and a moving rod 782 connected with the electromagnetic component. The moving rod 782 is provided with a moving rod driving part 7822. The electromagnetic component drives the moving rod 782 to move and drive the turnover piece 3 to rotate when energized, and the moving rod 782 resets when the electromagnetic component is de-energized. The electromagnetic components of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are respectively a first electromagnetic component 71 and a second electromagnetic component 81. The two moving rods 782 of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are respectively a first moving rod 72 and a second moving rod 82. The two moving rod driving parts 7822 of the first moving rod 72 and the second moving rod 82 are respectively a first moving rod driving part 722 and a second moving rod driving part 822.

[0125] In the present embodiment, the first moving rod driving part 722 and the second moving rod driving part 822 are hook structures used to pull the turnover piece 3 to rotate. The first electromagnetic component 71 pulls the turnover piece 3 through the first moving rod 72 when energized, and resets the first moving rod 72 when de-energized. The second electromagnetic component 81 pulls the turnover piece 3 through the second moving rod 82 when energized, and resets the second moving rod 82 when de-energized. The first electromagnetic component 71 and the second electromagnetic component 81 generally comprise a moving iron core, a static iron core, and a counter-force spring between the moving iron core and the static iron core, which is the prior art in the field. The first moving rod 72 and the second moving rod 82 are respectively connected with the moving iron core of the first electromagnetic component 71 and the second electromagnetic component 81.

[0126] As shown in FIG. 2c and FIG. 9a, FIG. 11b, the third linkage 35 and the fourth linkage 36 are arranged on the turnover piece 3, and the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 drive the turnover piece 3 to rotate through the third linkage 35 and the fourth linkage 36. In this embodiment, the third linkage 35 and the fourth linkage 36 are convex shafts on the turnover piece 3. As shown in FIG. 2c, when the turnover piece 3 is in the middle position of the turnover piece, the third linkage 35 and the fourth linkage 36 are located between the two movable rod driving portions 7822 of the first movable rod 72 and the second movable rod 82, the first electromagnetic mechanism 7 can drive the first movable rod 72 to move, the first movable rod driving portion 722 drives the third linkage 35 to drive the turnover piece 3 to rotate from the middle position of the turnover piece to the first position of the turnover piece, or the second electromagnetic mechanism 8 can drive the second movable rod 82 to move, the second movable rod driving portion 822 drives the fourth linkage 36 to drive the turnover piece 3 to rotate from the middle position of the turnover piece to the second position of the turnover piece. Referring to FIG. 2c, the first electromagnetic component 71 and the second electromagnetic component 81 are symmetrically arranged on the two sides of the turnover piece 3, the first electromagnetic component 71 is located on the right side in the figure, and the second electromagnetic component 81 is located on the left side, when the turnover piece 3 is in the middle position of the turnover piece, the first movable rod driving portion 722 at the end of the first movable rod 72 connected with the first electromagnetic component 71 extends to the left side of the third linkage 35 and the fourth linkage 36, and the second movable rod driving portion 822 at the end of the second movable rod 82 connected with the second electromagnetic component 81 extends to the right side of the third linkage 35 and the fourth linkage 36, the first movable rod driving portion 722 is close to the third linkage 35 and has a gap between the first movable rod driving portion 722 and the third linkage 35, and the second movable rod driving portion 822 is close to the fourth linkage 36 and has a gap between the second movable rod driving portion 822 and the fourth linkage 36. At this time, the first electromagnetic component 71 can pull the third linkage 35 through the first movable rod driving portion 722 to drive the turnover piece 3 to rotate counterclockwise to the first position of the turnover piece, and the fourth linkage 36 uses the gap between the fourth linkage 36 and the second movable rod driving portion 822 to rotate out of the first movable rod driving portion 722 and the second movable rod driving portion 822 with the turnover piece 3 (as shown in FIG. 4a), and then the first electromagnetic component 71 is de-energized and the first movable rod 72 is reset; the second electromagnetic component 81 can also pull the fourth linkage 36 through the second movable rod driving portion 822 to drive the turnover piece 3 to rotate clockwise to the second position of the turnover piece, and the third linkage 35 uses the gap between the third linkage 35 and the first movable rod driving portion 722 to rotate out of the first movable rod driving portion 722 and the second movable rod driving portion 822 with the turnover piece 3 (as shown in FIG. 6b), and then the second electromagnetic component 81 is de-energized and the second movable rod 82 is reset.

[0127] As shown in FIG. 4a, FIG. 4b, when the turnover piece 3 is in the first position, the third linkage part 35 is between the two mobile rod driving parts 7822, the fourth linkage part 36 is turned out of the two mobile rod driving parts 7822, the second electromagnetic mechanism 8 is energized to drive the second mobile rod 82 to move, and the second mobile rod driving part 822 drives the third linkage part 35 to drive the turnover piece 3 to rotate from the first position to the intermediate position. Referring to FIG. 4a, FIG. 4b, when the turnover piece 3 is in the first position, the second mobile rod driving part 822 at the end of the second mobile rod 82 is close to the third linkage part 35, and the fourth linkage part 36 has been turned out of the first mobile rod driving part 722 and the second mobile rod driving part 822. At this time, the second electromagnetic part 81 can pull the third linkage part 35 through the second mobile rod driving part 822 to drive the turnover piece 3 to rotate clockwise to the intermediate position, and return to the state shown in FIG. 2c; while the first mobile rod driving part 722 is far away from the third linkage part 35, so even if it acts, it cannot pull the third linkage part 35 again.

[0128] Similarly, as shown in FIG. 7a, when the turnover piece 3 is in the second position, the fourth linkage part 36 is between the two mobile rod driving parts 7822, the third linkage part 35 is turned out of the two mobile rod driving parts 7822, the first electromagnetic mechanism 7 is energized to drive the first mobile rod 72 to move, and the first mobile rod driving part 722 drives the fourth linkage part 36 to drive the turnover piece 3 to rotate from the second position to the intermediate position. Referring to FIG. 7a, when the turnover piece 3 is in the second position, the first mobile rod driving part 722 at the end of the first mobile rod 72 is close to the fourth linkage part 36, and the third linkage part 35 has been turned out of the first mobile rod driving part 722 and the second mobile rod driving part 822. At this time, the first electromagnetic part 71 can pull the fourth linkage part 36 through the first mobile rod driving part 722 to drive the turnover piece 3 to rotate counterclockwise to the intermediate position, and return to the state shown in FIG. 2c; while the second mobile rod driving part 822 is far away from the fourth linkage part 36, so even if it acts, it cannot pull the fourth linkage part 36 again.

[0129] The automatic operating mechanism of the operating mechanism in the embodiment adopts the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8, which is faster in action relative to the motor, improves the switching speed of the switch, and the first electromagnetic mechanism 7 can realize the main power closing state of the operating mechanism and also realize the conversion of the operating mechanism from the standby power closing state to the double split state, and the second electromagnetic mechanism 8 can realize the standby power closing state of the operating mechanism and also realize the conversion of the operating mechanism from the main power closing state to the double split state; the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are not directly connected with the turnover piece 3 and will not affect the other rotation relationship of the turnover piece 3, and the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 realize the conversion of the three positions through the cooperation of the third linkage part 35 and the fourth linkage part 36 of the turnover piece 3, and the cooperation structure is ingenious, compact and high in reliability.

[0130] It should be noted that the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 can also adopt a pushing mode instead of a pulling mode to drive the turnover piece 3 to rotate. As other embodiments, the automatic operating mechanism can not adopt the electromagnetic mechanism of the embodiment, but can also adopt a motor, a cylinder or other ways to directly or indirectly drive the turnover piece 3 to rotate.

[0131] As shown in FIG. 2c and FIG. 16, the electromagnetic part of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 includes a moving iron core and a moving rod mounting plate 783 fixedly connected with the moving iron core, a moving rod 782 rotatably mounted on the moving rod mounting plate 783, and a moving rod spring 784 connected with the moving rod 782, which drives the moving rod 782 to rotate to a horizontal position and is limited and fixed with the moving rod mounting plate 783; when the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are powered off, the third linkage part 35 or the fourth linkage part 36 located on the moving rod reset path acts on the moving rod 782, so that the moving rod 782 overcomes the action force of the moving rod spring 784 to rotate to avoid the third linkage part 35 or the fourth linkage part 36. When the electromagnetic part is powered on, the moving iron core pulls the turnover piece 3 to rotate through the moving rod 782, and after the first electromagnetic part 71 is powered off, the third linkage part 35 or the fourth linkage part 36 acts on the pull hook part inclined surface 7824 outside the moving rod driving part 7822 of the moving rod 782, so that the moving rod 782 overcomes the action force of the moving rod spring 784 to rotate to avoid the third linkage part 35 or the fourth linkage part 36. It should be noted that the moving rod mounting plate 783 can be integrally provided with the moving iron core or separately provided and then fixedly connected.

[0132] As shown in Fig. 16, one end of the moving rod 782 has a mounting hole as a moving rod mounting part 7821, and the moving rod mounting part 7821 is hinged with the moving rod mounting plate 783 through a mounting shaft. The other end of the moving rod 782 is a hook structure as a moving rod driving part 7822 for cooperating with the turnover piece 3. The electromagnetic parts of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 drive the respective moving rods 782 to pull the turnover piece 3 to rotate through the hook structure. The inner side of the hook structure is used to pull the turnover piece 3 to rotate, and the outer side of the hook structure is a slope as a pull hook part slope 7824. The moving rod limiting part 7823 is further arranged on the moving rod 782, and the moving rod limiting part 7823 and the moving rod driving part 7822 are respectively located on the two sides of the moving rod mounting part 7821. One end of the moving rod spring 784 is connected into the moving rod spring mounting hole 7825 on the lower side of the moving rod mounting part 7821, and the other end is connected with the bracket 102. The moving rod spring 784 in the embodiment is a tension spring, and it is obvious that it can also be a torsion spring or other elastic member.

[0133] Referring to Fig. 2c, the electromagnetic parts of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are respectively provided with an external counterforce spring 785. One end of the counterforce spring 785 is connected with the moving rod mounting plate 783, and the other end is connected with the bracket 102, which is used to drive the moving iron core to reset. When the electromagnetic parts of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are energized, the moving iron core overcomes the force of the counterforce spring 785 and pulls the turnover piece 3 to rotate through the moving rod 782. After the electromagnetic parts are de-energized, the counterforce spring 785 drives the moving iron core to reset. A separate auxiliary bracket 105 can be arranged in the bracket 102 for mounting the moving rod spring 784 and the counterforce spring 785 of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8. Alternatively, corresponding mounting structures can be arranged on the first side plate 103 or the second side plate 104 of the bracket 102. It should be noted that as other embodiments, the counterforce spring can also be arranged in the electromagnetic part, between the moving iron core and the static iron core, or the electromagnetic part is provided with the counterforce spring inside and outside.

[0134] As shown in Fig. 16, the moving rod mounting plate 783 includes a vertically arranged moving rod first mounting plate 7831 and a moving rod second mounting plate 7832. The moving rod second mounting plate 7832 is fixedly connected with the moving iron core, and the moving rod 782 is rotationally arranged on the moving rod first mounting plate 7831. The moving rod spring 784 drives the moving rod 782 to rotate to the top limiting position of the moving rod second mounting plate 7832. Two mounting holes are arranged on the moving rod first mounting plate 7831. One is used for rotationally mounting the moving rod 782, and the other is used for mounting the counterforce spring 785.

[0135] Another improvement of the present application is that the operating mechanism is further provided with a toggle limiting mechanism 9 for limiting the toggle 4 in the corresponding position when the toggle 4 moves to the toggle first position, and / or the toggle second position, and / or the toggle intermediate position, thereby limiting the turnover 3 in the corresponding position, improving reliability and safety.

[0136] As shown in FIG. 3b and FIG. 5a, the toggle limiting mechanism 9 includes a first limiting shaft 1021 and a second limiting shaft 1022 arranged on the bracket 102, the first limiting shaft 1021 and the second limiting shaft 1022 are fixedly arranged between the first side plate 103 and the second side plate 104, when the toggle 4 rotates clockwise to the toggle first position as shown in FIG. 3b, the first limiting shaft 1021 limits the toggle 4 from further clockwise rotation, when the toggle 4 rotates counterclockwise to the toggle second position as shown in FIG. 7b, the second limiting shaft 1022 limits the toggle 4 from further counterclockwise rotation. As other embodiments, the toggle 4 can also be limited in the toggle first position and the toggle second position (FIG. 4c) by the cooperation of the second side plate sliding groove 1041 on the bracket 102 and the third toggle part 44 on the toggle 4.

[0137] In particular, as shown in FIG. 2a, FIG. 2b, FIG. 3a, FIG. 5a, FIG. 5b, and FIG. 6a, the toggle limiting mechanism 9 includes a first limiting plate 91, a second limiting plate 92, a first limiting plate return member 93, and a second limiting plate return member 94, the first limiting plate return member 93 is connected with the first limiting plate 91 to drive the first limiting plate 91 to move away from the toggle 4 to avoid the toggle 4, the second limiting plate return member 94 is connected with the second limiting plate 92 to drive the second limiting plate 92 to move away from the toggle 4 to avoid the toggle 4.

[0138] When the turnover 3 rotates from the turnover first position to the turnover intermediate position, the toggle 4 rotates from the toggle first position to the toggle intermediate position, the turnover 3 drives the first energy storage mechanism 1 to store energy and pass the balance position, the first energy storage mechanism 1 drives the first limiting plate 91 to move towards the toggle 4, and the toggle 4 is limited in the toggle intermediate position by the limiting plate limiting part 9120 of the first limiting plate 91, so that the toggle 4 cannot continue to rotate to the toggle second position (FIG. 5b), the first energy storage mechanism 1 that has passed the balance position releases energy to drive the main shaft 6 to rotate to the double split position, and the first energy storage mechanism 1 avoids the first limiting plate 91, the first limiting plate return member 93 drives the first limiting plate 91 to move to release the limitation of the toggle 4 (FIG. 2a), and then the toggle 4 can be operated to rotate to the toggle second position or the toggle first position;

[0139] Similarly, when the turnover piece 3 rotates from the second position of the turnover piece to the intermediate position of the turnover piece, the actuating piece 4 rotates from the second position of the actuating piece to the intermediate position of the actuating piece, the second energy storage mechanism 2 is driven to store energy and pass the balance position, the second energy storage mechanism 2 drives the second limiting plate 92 to move in the direction close to the actuating piece 4, and the actuating piece 4 is limited in the intermediate position of the actuating piece by the limiting plate limiting part 9120 of the second limiting plate 92, so that the actuating piece 4 cannot continue to rotate to the first position of the actuating piece, the second energy storage mechanism 2 passing the balance position releases energy to drive the main shaft 6 to rotate to the double-split position, and the second energy storage mechanism 2 avoids the second limiting plate 92 (Fig. 2a), the second limiting plate reset piece 94 drives the second limiting plate 92 to move to release the limiting of the actuating piece 4, and the actuating piece 4 can be subsequently operated to rotate to the second position of the actuating piece or the first position of the actuating piece.

[0140] The operating mechanism of the embodiment is provided with the actuating piece limiting mechanism 9, which is driven by the actions of the first energy storage mechanism 1 and the second energy storage mechanism 2 when the energy storage reaches the balance position to limit the actuating piece 4 in the intermediate position of the actuating piece and limit the turnover piece 3 in the intermediate position of the turnover piece 3, and then the actuating piece limiting mechanism 9 is avoided by the energy release actions of the first energy storage mechanism 1 and the second energy storage mechanism 2 to release the limiting of the actuating piece 4, which can move to the first position of the actuating piece and the second position of the actuating piece, thereby improving the reliability and safety of the actions of the operating mechanism.

[0141] The first energy storage mechanism 1 and the second energy storage mechanism 2 each include a connecting rod mechanism and an energy storage spring, the connecting rod mechanisms of the first energy storage mechanism 1 and the second energy storage mechanism 2 are respectively a first connecting rod mechanism 12 and a second connecting rod mechanism 22, and the energy storage springs of the first energy storage mechanism 1 and the second energy storage mechanism 2 are respectively a first energy storage spring 11 and a second energy storage spring 21; the first energy storage mechanism 1 drives the first limiting plate 91 to move in the direction close to the actuating piece 4 or avoids the first limiting plate 91 by cooperating with the first limiting plate 91 through the first connecting rod mechanism 12, and the second energy storage mechanism 2 drives the second limiting plate 92 to move in the direction close to the actuating piece 4 or avoids the second limiting plate 92 by cooperating with the second limiting plate 92 through the second connecting rod mechanism 22.

[0142] When the toggle 4 moves from the toggle first position to the toggle intermediate position, the first linkage 12 rotates to drive the first energy storage spring 11 to store energy and to pass the balance position, the first linkage 12 drives the first limit plate 91 to move to the direction close to the toggle 4 against the force of the first limit plate return member 93, the limit plate limiting part 9120 of the first limit plate 91 is located on the moving track of the toggle 4, and the toggle 4 is positioned at the toggle intermediate position. After the first linkage 12 passes the balance position, the first energy storage spring 11 releases energy to drive the first linkage 12 to continue to rotate, the first linkage 12 avoids the first limit plate 91, the first limit plate return member 93 drives the first limit plate 91 to make the limit plate limiting part 9120 avoid the toggle 4, so that the toggle 4 can rotate to the toggle first position and the toggle second position. When the toggle 4 moves from the toggle second position to the toggle intermediate position, the second linkage 22 rotates to drive the second energy storage spring 21 to store energy and to pass the balance position, the second linkage 22 drives the second limit plate 92 to move to the direction close to the toggle 4 against the force of the second limit plate return member 94, the limit plate limiting part 9120 of the second limit plate 92 is located on the moving track of the toggle 4, and the toggle 4 is positioned at the toggle intermediate position. After the second linkage 22 passes the balance position, the second energy storage spring 21 releases energy to drive the second linkage 22 to continue to rotate, the second linkage 22 avoids the second limit plate 92, the second limit plate return member 94 drives the second limit plate 92 to make the limit plate limiting part 9120 avoid the toggle 4, so that the toggle 4 can rotate to the toggle first position and the toggle second position.

[0143] Specifically, referring to FIG. 2a and FIG. 14, the first limit plate 91 and the second limit plate 92 have the same structure and are in a plate structure, the first end of the first limit plate 91 and the second limit plate 92 is provided with a limit plate rotating hole 9124, which is rotatably installed on the support 102, and the second end is provided with a limit plate sliding groove 9122, which is sleeved on the limit plate limiting shaft of the support 102 to limit the rotating angle of the first limit plate 91 and the second limit plate 92; one end of the first limit plate return member 93 and the second limit plate return member 94 is connected to the second end of the first limit plate 91 and the second limit plate 92 respectively, and the other end is connected to the support 102 to drive the first limit plate 91 and the second limit plate 92 to rotate away from the toggle 4. Obviously, as other embodiments, the limit plate sliding groove 9122 can not be provided, and the support 102 can be provided with a limit protrusion to limit the rotating angle of the first limit plate 91 and the second limit plate 92; the first limit plate return member 93 and the second limit plate return member 94 can not be a tension spring, but can be a torsion spring, a spring piece or other elastic members.

[0144] The first limiting plate 91 and the second limiting plate 92 are provided with a knob sliding groove 9121 on the side of the knob 4, which is used to cooperate with the first knob part 42 and the second knob part 43 of the knob 4. One side wall of the knob sliding groove 9121 serves as the limiting plate limiting part 9120 of the limiting plate, which is used to limit the knob 4 in the middle position of the knob. The first limiting plate 91 and the second limiting plate 92 are provided with a limiting plate driving surface 9123 on the side away from the knob 4, i.e. on the side towards the linkage mechanism, which is used to cooperate with the limiting plate driving part 1211 on the driven plate of the corresponding linkage mechanism (as shown in FIG. 10b). The first energy storage mechanism 1 and the second energy storage mechanism 2 drive the corresponding first limiting plate 91 and the second limiting plate 92 to rotate in the direction close to the knob 4 through the limiting plate driving surface 9123. Preferably, the limiting plate driving surface 9123 is a circular arc surface, and the knob sliding groove 9121 is a circular arc sliding groove. Of course, as other embodiments, the knob sliding groove 9121 can not be provided, and a protrusion can be directly provided as the limiting plate limiting part 9120.

[0145] Referring to FIGS. 2a, 10a and 10b, the first linkage mechanism 12 and the second linkage mechanism 22 each include a pulling plate and a driven plate. The pulling plate and the driven plate of the first linkage mechanism 12 are a first driven plate 121 and a first pulling plate 122, respectively. The pulling plate and the driven plate of the second linkage mechanism 22 are a second driven plate 221 and a second pulling plate 222, respectively. The first driven plate 121 and the second driven plate 221 are each provided with a limiting plate driving part 1211. The first linkage mechanism 12 and the second linkage mechanism 22 drive the limiting plate driving surface 9123 (as shown in FIG. 14) through the limiting plate driving part 1211 of the driven plate of each linkage mechanism to rotate the first limiting plate 91 and the second limiting plate 92 in the direction close to the knob 4, so that the first knob part 42 of the knob 4 enters the knob sliding groove 9121 of the first limiting plate 91 or the second knob part 43 of the knob 4 enters the knob sliding groove 9121 of the second limiting plate 92. When the knob 4 rotates to the middle position of the knob, the first knob part 42 is limited by the limiting plate limiting part 9120 of the first limiting plate 91, or the second knob part 43 is limited by the limiting plate limiting part 9120 of the second limiting plate 92.

[0146] Referring to FIG. 10a and 10b, the first driven plate 121 and the second driven plate 221 each include two driven sheets 1214 arranged in opposite directions, the two driven sheets 1214 are connected by a plurality of driven sheet fixing shafts, and a limiting plate driving portion 1211 is arranged between the two driven sheets 1214. The first limiting plate 91 at least partially (e.g., a limiting plate driving surface 9123) extends into the two driven sheets 1214 of the first driven plate 121 and cooperates with the limiting plate driving portion 1211, and the second limiting plate 92 at least partially (e.g., a limiting plate driving surface 9123) extends into the two driven sheets 1214 of the second driven plate 221 and cooperates with the limiting plate driving portion 1211, thereby improving reliability and avoiding mispositioning. In this embodiment, the limiting plate driving portion 1211 is two fixing shafts 1211a and 1211b arranged on the driven plate. Of course, the limiting plate driving portion 1211 can also be an arc-shaped convex rib or other similar or similar structures. Any structure that can be thought of by those skilled in the art falls within the protection scope of the present application.

[0147] The process of cooperation between the toggle 4 and the first limiting plate 91 is described below in combination with the drawings. The process of cooperation between the toggle 4 and the second limiting plate 91 is similar:

[0148] As shown in FIG. 4b, when the toggle 4 is located at the first toggle position, the shaft 1211a of the limiting plate driving portion 1211 of the first driven plate 121 drives the first limiting plate 91 to rotate towards the toggle 4 against the force of the first limiting plate return member 93 through the limiting plate driving surface 9123, so that the first toggle portion 42 of the toggle 4 is located in the toggle sliding groove 9121. When the toggle 4 moves from the first toggle position to the intermediate toggle position, the turnover piece 3 moves from the first turnover piece position to the intermediate turnover piece position, the turnover piece 3 drives the first connecting rod mechanism 12 to rotate to drive the first energy storage spring 11 to store energy and pass the balance position, the first driven plate 121 rotates and the shaft 1211b of the limiting plate driving portion 1211 keeps driving the first limiting plate 91 to rotate towards the toggle 4 through the limiting plate driving surface 9123, the first toggle portion 42 of the toggle 4 slides in the toggle sliding groove 9121, and the first toggle portion 42 of the toggle 4 moves to the side wall of the toggle sliding groove 9121 which is used as a limiting plate limiting portion 9120, thereby limiting the toggle 4 at the intermediate toggle position and preventing the toggle 4 from continuing to rotate to the second toggle position;

[0149] The first energy storage spring 11 that has passed the balance position drives the first connecting rod mechanism 12 to continue to rotate, the first driven plate 121 rotates and drives the main shaft 6 to rotate to the double-split position, the limiting plate driving portion 1211 of the first driven plate 121 is mispositioned with the limiting plate driving surface 9123 of the first limiting plate 91, the first limiting plate return member 93 drives the first limiting plate 91 to rotate, thereby releasing the limitation on the toggle 4, and the toggle 4 can be subsequently operated to rotate to the second toggle position or the first toggle position.

[0150] As shown in FIG. 2a, when the toggle piece 4 is in the toggle piece middle position, neither the first limiting plate 91 nor the second limiting plate 92 limits the toggle piece 4, i.e. the first toggle part 42 and the second toggle part 43 of the toggle piece 4 are respectively located outside the toggle piece sliding groove 9121 of the first limiting plate 91 and the second limiting plate 92.

[0151] As shown in FIG. 4b, when the toggle piece 4 moves from the toggle piece middle position to the toggle piece first position, the toggle piece 4 is limited by the first limiting shaft 1021 on the support 102, the turnover piece 3 rotates and drives the first connecting rod mechanism 12 to rotate to drive the first energy storage spring 11 to store energy and pass the balance position, the first energy storage spring 11 passing the balance position drives the first connecting rod mechanism 12, the limiting plate driving part 1211 of the first driven plate 121 of the first connecting rod mechanism 12 drives the first limiting plate 91 to rotate to the direction close to the toggle piece 4 through the limiting plate driving surface 9123 against the force of the first limiting plate return piece 93, so that the first toggle part 42 of the toggle piece 4 is located in the toggle piece sliding groove 9121 close to the middle position, and the first toggle part 42 and the limiting plate limiting part 9120 of the first limiting plate 91 have a gap, at this time the end side wall of the toggle piece sliding groove 9121 does not limit the toggle piece 4.

[0152] The process of rotating the toggle piece 4 from the toggle piece second position to the toggle piece middle position is similar, when the turnover piece 3 rotates from the turnover piece middle position to the turnover piece second position, the toggle piece 4 rotates from the toggle piece middle position to the toggle piece second position, the turnover piece 3 drives the second energy storage mechanism 2 to store energy first and pass the balance position, the second energy storage mechanism 2 passing the balance position releases energy to drive the main shaft 6 to rotate to the auxiliary power closing position, and drives the second limiting plate 92 to rotate to the direction close to the toggle piece 4, and the second toggle part 43 of the toggle piece 4 is located in the toggle piece sliding groove 9121 close to the middle position, and the second toggle part 43 and the limiting plate limiting part 9120 of the second limiting plate 92 have a gap.

[0153] It should be noted that the toggle piece 4, the toggle piece limiting mechanism 9, the automatic operation mechanism, and the main shaft locking mechanism 5 of the present application are not only suitable for the energy storage mechanism of the present embodiment, but also suitable for other structures of energy storage mechanism, such as some energy storage mechanisms listed in the background.

[0154] As shown in FIG. 1, FIG. 2a, the layout of the operating mechanism of the embodiment, the bracket 102 includes a first side plate 103 and a second side plate 104, the first energy storage mechanism 1, the second energy storage mechanism 2 and the turnover piece 3 are arranged between the first side plate 103 and the second side plate 104, the turnover piece 3 is rotationally arranged on the main shaft 6, the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are symmetrically arranged on the lower sides of the turnover piece 3, and the poking piece 4 is located above the turnover piece 3. The first side plate 103 and the second side plate 104 are connected through a plurality of fixed shafts, including a first energy storage spring fixed shaft 1023, a second energy storage spring fixed shaft 1024, a first limiting shaft 1021, a second limiting shaft 1022, a poking piece mounting shaft 1026 for rotation of the poking piece 4, etc., one end of the energy storage spring of the first energy storage mechanism 1 or the second energy storage mechanism 2 is rotationally connected with the first energy storage spring fixed shaft 1023 and the second energy storage spring fixed shaft 1024 respectively; the poking piece 4 is rotationally mounted on the poking piece mounting shaft 1026, and the rotation angle is limited by the first limiting shaft 1021 and the second limiting shaft 1022. The first side plate 103 and the second side plate 104 are also provided with a main shaft hole through which the main shaft 6 passes, and structures for mounting the main shaft locking mechanism and the poking piece limiting mechanism.

[0155] Preferably, the first driven plate 121 of the first connecting rod mechanism 12 and the second driven plate 221 of the second connecting rod mechanism 22 are mounted on the main shaft 6, and the turnover piece 3 is located between the first driven plate 121 and the second driven plate 221; the poking piece 4 is rotationally arranged above the turnover piece 3 and also located between the first side plate 103 and the second side plate 104, and the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are symmetrically arranged on the lower sides of the turnover piece 3;

[0156] The main shaft locking mechanism 5 is arranged on the outer side of the second side plate 104, the first lever 51, the second lever 52, the first elastic member 53 and the baffle 54 on the main shaft 6 are located on the outer side of the second side plate 104, and the third poking part 44 on the poking piece 4 extends from the second side plate sliding groove 1041 on the second side plate 104 to between the second end of the first lever 51 and the second end of the second lever 52;

[0157] The poking piece limiting mechanism 9 is arranged between the first side plate 103 and the second side plate 104, the first limiting plate 91, the second limiting plate 92, the first limiting plate reset member 93 and the second limiting plate reset member 94 are all located between the first side plate 103 and the second side plate 104, the poking piece 4 is located between the first limiting plate 91 and the second limiting plate 92 of the poking piece limiting mechanism 9, the first limiting plate 91 is located between the poking piece 4 and the first driven plate 121 in the vertical direction, and the second limiting plate 92 is located between the poking piece 4 and the second driven plate 221.

[0158] As shown in FIG. 9b, the turnover piece 3 includes two oppositely arranged turnover plates 30, and a third linkage part 35 and a fourth linkage part 36 are arranged between the two turnover plates 30. The first moving rod 72 of the first electromagnetic mechanism 7 and the second moving rod 82 of the second electromagnetic mechanism 8 extend into the space between the two turnover plates 30 and cooperate with the third linkage part 35 and the fourth linkage part 36.

[0159] As shown in FIG. 10a and FIG. 10b, the first driven plate 121 and the second driven plate 221 each include two oppositely arranged driven pieces 1214, and a limiting plate driving part 1211 is arranged between the two driven pieces 1214. The first limiting plate 91 can at least partially extend into the space between the two driven pieces 1214 of the first driven plate 121, and the second limiting plate 92 can at least partially extend into the space between the two driven pieces 1214 of the second driven plate 221.

[0160] The first side plate 103 and the second side plate 104 are mounted on the base 101. The left and right sides of the first side plate 103 and the second side plate 104 are each provided with an electromagnetic component mounting gap corresponding to the electromagnetic components of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8. The electromagnetic components of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 are mounted on the base 101 and correspondingly mounted in the electromagnetic component mounting gaps. The moving rods 782 of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 extend into the first side plate 103 and the second side plate 104 and move in the left-right direction to drive the turnover plate 3 to rotate.

[0161] As shown in FIG. 9a and FIG. 9b, for an embodiment of the turnover piece 3 described in the present application, a circular hole is arranged in the middle region of the turnover piece 3 as a turnover piece mounting hole 33, which is rotatably mounted on the main shaft 6. Two hollow circular arc-shaped sliding grooves are arranged in the lower part of the left and right sides of the turnover piece 3 as a first circular arc-shaped sliding groove 31 and a second circular arc-shaped sliding groove 32. A plurality of gear teeth are arranged at the upper position of the turnover piece 3 to form a first linkage part 34 in the form of a gear structure, which is used for linkage connection with the actuating piece 4. A protruding shaft is arranged on the turnover piece 3 as a third linkage part 35 and a fourth linkage part 36, which is used for driving cooperation with the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8. Preferably, the turnover piece 3 of the embodiment includes two identical turnover plates 30. The turnover plates 30 each correspondingly include a turnover piece mounting hole 33, a first circular arc-shaped sliding groove 31, a second circular arc-shaped sliding groove 32, and a first linkage part 34. The two turnover plates 30 are oppositely arranged and connected by at least two fixing shafts. The two turnover plates 30 have a gap therebetween, and there are three fixing shafts therebetween. Two of the fixing shafts are respectively used as the third linkage part 35 and the fourth linkage part 36. The moving rod driving parts 7822 of the two moving rods 782 of the first electromagnetic mechanism 7 and the second electromagnetic mechanism 8 extend into the space between the two turnover plates 30 and cooperate with the third linkage part 35 and the fourth linkage part 36.

[0162] As shown in Figure 13, one embodiment of the toggle 4 includes a toggle pivot part 40 provided with a rotating hole, the top of the toggle pivot part 40 is provided with a toggle driving part 45, the bottom is a sector structure with the rotating hole as the center, the arc side of the sector structure is provided with a gear as the second linkage part 41 for cooperating with the turnover part 3, the two side edges of the sector structure are provided with arc-shaped limiting grooves 46 for cooperating with the first limiting shaft 1021 and the second limiting shaft 1022 on the bracket 102, the toggle driving part 45 is a hole structure for driving the toggle 4 to rotate by inserting the driving rod, the third toggle part 44 is provided on one side of the sector structure, the third toggle part 44 is located directly below the toggle pivot part 40, for driving cooperation with the first lever 51 and the second lever 52 of the main shaft locking mechanism 5 to realize the toggle locking function, the first toggle part 42 and the second toggle part 43 are also provided on the two side edges of the sector structure, the protruding directions of the third toggle part 44, the first toggle part 42 and the second toggle part 43 are parallel to the rotating axis direction of the toggle 4, and the third toggle part 44 is located between the first toggle part 42 and the second toggle part 43.

[0163] In order to more clearly understand the present application, the operation process of the embodiment of the present application is described below.

[0164] The following is the process of the automatic transfer switch from the double split position to the standby power supply closing position:

[0165] Figures 2a, 2b, 2c, 6a, 6b and 6c show the structural schematic diagram of the internal structure change of the operating mechanism of the present application during the conversion process, as shown, during the conversion process, the second electromagnetic mechanism 8 is actuated, the second electromagnetic part 81 is powered, the second moving rod 82 is retracted to the left, after a certain distance of movement stroke, the moving rod driving part 7822 on the second moving rod 82 contacts and pulls the fourth linkage part 36 of the turnover plate 3 to move left, driving the turnover plate 3 to rotate clockwise;

[0166] In the process of the clockwise rotation of the turnover plate 3, one end of the side wall of the second circular arc sliding groove 32 pulls the second connecting rod shaft 223, thereby driving the second connecting rod mechanism 22 to rotate clockwise, pulling the second energy storage spring 21 through the second pulling plate 222, and increasing the length of the spring to accumulate elastic potential energy (as shown in FIGS. 6a and 6b); the second connecting rod mechanism 22 continues to rotate clockwise until the force direction of the second energy storage spring 21, the center point of the main shaft 6, and the second connecting rod shaft 223 are on the same straight line (as shown in FIG. 6c), at which time the torque value generated by the second energy storage spring 21 on the main shaft 6 is 0, and the second connecting rod mechanism 22 is in a balanced position (dead point position); in the process of the second connecting rod mechanism 22 rotating from the double split position to the dead point position, the second driven plate driving part 1213 of the second driven plate 221 approaches the main shaft linkage part 61 of the main shaft 6; the second electromagnetic component 81 continues to pull the turnover plate 3 to rotate clockwise to drive the second connecting rod mechanism 22 to rotate beyond the dead point position, and the elastic potential energy accumulated by the second energy storage spring 21 is released, in the process of which the second connecting rod mechanism 22 is continuously pulled to rotate clockwise, and the second connecting rod shaft 223 of the second connecting rod mechanism 22 slides in the second circular arc sliding groove 32 of the turnover plate 3, at which time the second driven plate driving part 1213 of the second driven plate 221 is in contact with the main shaft linkage part 61 of the main shaft 6, the second connecting rod mechanism 22 drives the main shaft 6 to rotate clockwise, the main shaft 6 reaches the maximum angle position of its clockwise rotation (i.e., the standby power closing position of the automatic transfer switch), the second connecting rod shaft 223 slides to the other end of the second circular arc sliding groove 32 and is limited, and the second driven plate 221 of the second connecting rod mechanism 22 is limited by the second driven plate limiting part;

[0167] Due to the linkage relationship between the turnover plate 3 and the knob 4, when the turnover plate 3 reaches the maximum position of its clockwise rotation, the limiting plate driving part 1211 of the second driven plate 221 drives the second limiting plate 92 to rotate towards the knob 4, so that the second knob part 43 of the knob 4 is limited by one end of the knob sliding groove 9121 of the second limiting plate 92, and cannot rotate counterclockwise. At this time, the knob 4 also reaches the maximum angle position of its counterclockwise rotation (as shown in FIG. 7a), the third knob part 44 of the knob 4 links the first lever 51 and rotates clockwise by a certain angle, so that the first lever locking part 512 is separated from the contact with the baffle 54, and the third knob part 44 is separated from the contact with the second lever 52. The second energy storage spring 21 drives the second connecting rod mechanism 22 to drive the main shaft 6 to rotate clockwise after releasing energy. At this time, the second driven plate 221 releases the driving of the second limiting plate 92, and rotates away from the knob 4 under the action of the return spring. The knob sliding groove 9121 releases the limitation of the second knob part 43, and the baffle 54 rotates with the main shaft 6. Under the action of the first elastic element 53, the second lever locking part 522 of the second lever 52 contacts the second locking part 542 of the baffle 54, and limits the baffle 54, so that the main shaft 6 cannot be reversed (as shown in FIG. 7b); after the automatic transfer switch completes the standby power closing position, the second electromagnetic part 81 is reset to the right under the action of the moving rod spring 784 and the counterforce spring 785 on the corresponding side, and is finally limited by the limiting part on the support 102.

[0168] The following is the process of the automatic transfer switch from the standby power closing position to the double split position:

[0169] As shown in FIGS. 8a and 8b, during the conversion process, the internal structure of the operating mechanism changes. As shown in FIGS. 8a and 8b, when the automatic transfer switch is in the standby power closing position and converts to the double split position, the first electromagnetic mechanism 7 acts, the first electromagnetic part 71 is powered, the first electromagnetic part 71 pulls the first moving rod 72 to retract to the right, and the moving rod driving part 7822 on the first moving rod 72 contacts the fourth linkage part 36 of the turnover plate 3 and pulls the fourth linkage part 36 to move to the right, driving the turnover plate 3 to rotate counterclockwise;

[0170] In the process of the counterclockwise rotation of the turnover plate 3, the other end side wall of the second circular arc sliding groove 32 pulls the second connecting rod shaft 223, thereby driving the second connecting rod mechanism 22 to rotate counterclockwise, pulling the second energy storage spring 21 through the second pulling plate 222, and increasing the length of the spring to accumulate elastic potential energy (as shown in FIG. 8a); the second connecting rod mechanism 22 continues to rotate counterclockwise until the force direction of the second energy storage spring 21, the center point of the main shaft 6, and the second connecting rod shaft 223 are located on the same straight line, at which time the torque value generated by the second energy storage spring 21 on the main shaft 6 is 0, and the second connecting rod mechanism 22 is in a balanced position (dead point position) (as shown in FIG. 8a); in the process of the gradual rotation of the second connecting rod mechanism 22 from the standby power source closing position to the balanced position, the driven plate driving part 1213 of the second driven plate 221 approaches the main shaft linkage part 61 of the main shaft 6;

[0171] The first electromagnetic component 71 continues to pull the turnover plate 3 to rotate counterclockwise, driving the second connecting rod mechanism 22 to rotate beyond the dead point position, and the elastic potential energy accumulated by the second energy storage spring 21 is released. In the process of the release, the second connecting rod mechanism 22 continues to rotate counterclockwise, and the second connecting rod shaft 223 of the second connecting rod mechanism 22 slides in the second circular arc sliding groove 32 of the turnover plate 3. At this time, the driven plate driving part 1213 of the second driven plate 221 is in contact with the main shaft linkage part 61 of the main shaft 6, the second connecting rod mechanism 22 drives the main shaft 6 to rotate counterclockwise, and the main shaft 6 reaches the intermediate position of left and right rotation (i.e., the double split position of the automatic transfer switch), and finally the second connecting rod mechanism 22 is limited by one end side wall of the second circular arc sliding groove 32 of the turnover plate 3, and the second driven plate 221 of the second connecting rod mechanism 22 is limited by another second driven plate limiting part;

[0172] Due to the linkage relationship between the turnover plate 3 and the actuator 4, when the turnover plate 3 is in the central position of the left and right rotatable angles, the actuator 4 is also in the central position of the left and right rotatable angles. Before the energy release of the second energy storage spring 21, the first lever 51 and the second lever 52 are in contact with the baffle 54 under the action of the first elastic member 53, the second lever locking part 522 of the second lever 52 is unlocked with the second locking part 542 of the baffle 54, and after the energy release of the second energy storage spring 21, the second connecting rod mechanism 22 drives the main shaft 6 to rotate to the double split position. Finally, the baffle 54 is in the intermediate position of left and right rotation, the first lever locking part 512 and the second lever locking part 522 are in contact with the arc-shaped edge of the baffle 54 at the same time, and the end parts of the first lever 51 and the second lever 52 are in contact with the third actuating part 44 of the actuator 4 at the same time (as shown in FIG. 2d);

[0173] After the first electromagnetic component 71 is retracted to the right to the maximum distance position, the automatic transfer switch completes the transition from the standby side power supply to the double split position, the power supply to the first electromagnetic component 71 is cancelled, the first moving rod 72 is extended to the left under the action of the moving rod spring 784 and the counterforce spring 785 on the corresponding side of the first moving rod 72, and is reset, in this process, the pull hook part inclined surface 7824 of the first moving rod 72 touches the fourth linkage part 36, since the pull hook part inclined surface 7824 is designed as an inclined surface, the pull hook part inclined surface 7824 will slide from below the fourth linkage part 36, and finally, due to the action of the moving rod spring 784 and the counterforce spring 785, the first electromagnetic component 71 is limited by the limiting part on the support 102, and the moving rod driving part 7822 is located on the left side of the fourth linkage part 36.

[0174] Figs. 2a-4c show the transition process of the automatic transfer switch from the double split position to the main power supply closing position, as shown in Figs. 2a-4c, in this process, the first electromagnetic mechanism 7 acts, the first moving rod 72 of the first electromagnetic mechanism 7 pulls the turnover plate 3 to rotate counterclockwise, and then drives the first linkage mechanism 12 to rotate counterclockwise, the first linkage mechanism 12 pulls the first energy storage spring 11 to complete energy storage, and after passing the balance position, the first energy storage spring 11 releases energy and pulls the first linkage mechanism 12 to rotate clockwise, the first linkage mechanism 12 drives the main shaft 6 to rotate clockwise, and completes the main power supply position closing action. The process of the automatic transfer switch from the double split position to the main power supply closing position is similar to the process of the automatic transfer switch from the double split position to the standby power supply closing position, which will not be described in detail here.

[0175] Figs. 5a, 5b and 5c show the transition process of the automatic transfer switch from the double split position to the main power supply closing position, as shown in Figs. 5a, 5b and 5c, in this process, the second electromagnetic mechanism 8 acts, the second moving rod 82 of the second electromagnetic mechanism 8 pulls the turnover plate 3 to rotate clockwise, and then drives the first linkage mechanism 12 to rotate clockwise, the first linkage mechanism 12 pulls the first energy storage spring 11 to complete energy storage, and after passing the balance position, the first energy storage spring 11 releases energy and pulls the first linkage mechanism 12 to rotate clockwise, the first linkage mechanism 12 drives the main shaft 6 to rotate clockwise, and completes the main power supply position closing action. The process of the automatic transfer switch from the double split position to the main power supply closing position is similar to the process of the automatic transfer switch from the double split position to the standby power supply closing position, which will not be described in detail here.

[0176] The operating mechanism of the switch of the present application has reasonable internal space, diversified functions, simple and easy-to-understand operation, and multiple limiting and protection mechanisms, which can avoid operation errors of workers in the use process, damage power supply equipment, and endanger personal safety.

[0177] It should be noted that in the description of the present application, the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when in use, and are only for the convenience of description, and do not indicate that the device or element referred to must have a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only used to distinguish the description and cannot be understood as indicating relative importance.

[0178] The above is a further detailed description of the present application in combination with specific preferred embodiments, and cannot be considered as limiting the specific implementation of the present application to these descriptions. For ordinary skilled persons in the technical field to which the present application belongs, a number of simple deductions or substitutions can be made without departing from the concept of the present application, and all should be considered as falling within the protection scope of the present application.

Claims

1. An operating mechanism of a change-over switch, comprising a support (102) and an energy storage mechanism for driving a main shaft (6); the energy storage mechanism comprises a first energy storage mechanism (1), a second energy storage mechanism (2) and a turnover member (3), the turnover member (3) rotates to drive the first energy storage mechanism (1) or the second energy storage mechanism (2) to store energy first, and after driving the first energy storage mechanism (1) or the second energy storage mechanism (2) to pass the balance position, the first energy storage mechanism (1) or the second energy storage mechanism (2) releases energy to drive the main shaft (6) to rotate rapidly to switch positions, characterized in that: The turnover part (3) is rotationally arranged and provided with a first circular arc sliding groove (31) and a second circular arc sliding groove (32), the first energy storage mechanism (1) and the second energy storage mechanism (2) each include a linkage mechanism and an energy storage spring, the linkage mechanism includes a pulling plate and a driven plate, one end of the energy storage spring is rotationally arranged, the other end is connected with one end of the pulling plate, the other end of the pulling plate is hingedly connected with the driven plate through a linkage shaft, the driven plate is rotationally arranged and connected with the main shaft (6), the linkage shafts of the first energy storage mechanism (1) and the second energy storage mechanism (2) are respectively arranged in the first circular arc sliding groove (31) and the second circular arc sliding groove (32) of the turnover part (3); The turnover part (3) is rotationally arranged and provided with a first circular arc sliding groove (31) and a second circular arc sliding groove (32), the first energy storage mechanism (1) and the second energy storage mechanism (2) each include a linkage mechanism and an energy storage spring, the linkage mechanism includes a pulling plate and a driven plate, one end of the energy storage spring is rotationally arranged, the other end is connected with one end of the pulling plate, the other end of the pulling plate is hingedly connected with the driven plate through a linkage shaft, the driven plate is rotationally arranged and connected with the main shaft (6), the linkage shafts of the first energy storage mechanism (1) and the second energy storage mechanism (2) are respectively arranged in the first circular arc sliding groove (31) and the second circular arc sliding groove (32) of the turnover part (3); The turnover part (3) is rotationally arranged and provided with a first circular arc sliding groove (31) and a second circular arc sliding groove (32), the first energy storage mechanism (1) and the second energy storage mechanism (2) each include a linkage mechanism and an energy storage spring, the linkage mechanism includes a pulling plate and a driven plate, one end of the energy storage spring is rotationally arranged, the other end is connected with one end of the pulling plate, the other end of the pulling plate is hingedly connected with the driven plate through a linkage shaft, the driven plate is rotationally arranged and connected with the main shaft (6), the linkage shafts of the first energy storage mechanism (1) and the second energy storage mechanism (2) are respectively arranged in the first circular arc sliding groove (31) and the second circular arc sliding groove (32) of the turnover part (3); 2. An operating mechanism for a switch, according to claim 1, characterised in that: The turnover part (3) can be rotated to a turnover part first position, a turnover part intermediate position and a turnover part second position, which are respectively used to drive the main shaft (6) to rotate to a main power closing position, a double split position and a standby power closing position. When the turnover part (3) is rotated from the turnover part intermediate position to the turnover part first position or from the turnover part first position to the turnover part intermediate position, the first energy storage mechanism (1) is driven to store energy first and release energy after passing the balance position to drive the main shaft (6) to rotate to the corresponding main power closing position or double split position; when the turnover part (3) is rotated from the turnover part intermediate position to the turnover part second position or from the turnover part second position to the turnover part intermediate position, the second energy storage mechanism (2) is driven to store energy first and release energy after passing the balance position to drive the main shaft (6) to rotate to the corresponding standby power closing position or double split position.

3. An operating mechanism for a switch, according to claim 1, characterized in that: The driven plate is provided with a driven plate rotation hole (1212), the driven plate is sleeved on the main shaft (6) through the driven plate rotation hole (1212), the turnover part (3) is rotationally arranged on the main shaft (6) and located between the driven plates of the first energy storage mechanism (1) and the second energy storage mechanism (2), the driven plate driving part (1213) is arranged in the driven plate rotation hole (1212), the driven plate can rotate around the main shaft (6), and after the driven plate driving part (1213) is in contact with the main shaft (6) for limiting, the driven plate drives the main shaft (6) to rotate.

4. An operating mechanism for a switch, according to claim 3, characterised in that: The first end of the pulling plate is connected with the energy storage spring, the second end is connected with the driven plate, and the pulling plate has a bending part between the first end and the second end, so that the pulling plate has a V-shaped structure or a U-shaped structure; and / or a protruding structure is arranged in the driven plate rotating hole (1212) as the driven plate driving part (1213).

5. An operating mechanism for a switch, according to claim 1, characterized in that: The first energy storage mechanism (1) and the second energy storage mechanism (2) are arranged on the axis of symmetry, the energy storage springs of the first energy storage mechanism (1) and the second energy storage mechanism (2) are respectively located on both sides of the axis of symmetry, the energy storage spring of the first energy storage mechanism (1) and the first end of the pulling plate and the second end of the pulling plate of the second energy storage mechanism (2) are located on one side of the axis of symmetry, the energy storage spring of the second energy storage mechanism (2) and the first end of the pulling plate and the second end of the pulling plate of the first energy storage mechanism (1) are located on the other side of the axis of symmetry; the energy storage spring of the first energy storage mechanism (1), the rotating axis of the driven plate and the connecting rod shaft are located on the same straight line as the balance position of the first energy storage mechanism (1); the energy storage spring of the second energy storage mechanism (2), the rotating axis of the driven plate and the connecting rod shaft are located on the same straight line as the balance position of the second energy storage mechanism (2).

6. An operating mechanism for a switch, according to claim 2, characterized in that: The automatic operation mechanism includes a first electromagnetic mechanism (7) and a second electromagnetic mechanism (8), the first electromagnetic mechanism (7) and the second electromagnetic mechanism (8) each include an electromagnetic component and a moving rod (782) connected with the electromagnetic component, and the electromagnetic component drives the moving rod (782) to rotate the turnover piece (3) when energized.

7. An operating mechanism for a switch, according to claim 6, characterised in that: The first electromagnetic mechanism (7) and the second electromagnetic mechanism (8) each include an electromagnetic component and a moving rod (782) connected with the electromagnetic component, the moving rod (782) is provided with a moving rod driving part (7822), the two moving rods (782) of the first electromagnetic mechanism (7) and the second electromagnetic mechanism (8) are respectively a first moving rod (72) and a second moving rod (82), and the two moving rod driving parts (7822) of the first moving rod (72) and the second moving rod (82) are respectively a first moving rod driving part (722) and a second moving rod driving part (822). When the turnover piece (3) is located at the turnover piece intermediate position, the third linkage part (35) and the fourth linkage part (36) are located between the two moving rod driving parts (7822) of the first moving rod (72) and the second moving rod (82), the first electromagnetic mechanism (7) can drive the first moving rod (72) to move when energized, the first moving rod driving part (722) drives the third linkage part (35) to drive the turnover piece (3) to rotate from the turnover piece intermediate position to the turnover piece first position, or the second electromagnetic mechanism (8) can drive the second moving rod (82) to move when energized, and the second moving rod driving part (822) drives the fourth linkage part (36) to drive the turnover piece (3) to rotate from the turnover piece intermediate position to the turnover piece second position. When the turnover piece (3) is in the first position, the third linkage part (35) is located between the two movable rod driving parts (7822), the fourth linkage part (36) is turned out of the two movable rod driving parts (7822), the second electromagnetic mechanism (8) is powered to drive the second movable rod (82) to move, the second movable rod driving part (822) drives the third linkage part (35) to drive the turnover piece (3) to rotate from the first position to the intermediate position. When the turnover piece (3) is in the second position, the fourth linkage part (36) is located between the two movable rod driving parts (7822), the third linkage part (35) is turned out of the two movable rod driving parts (7822), the first electromagnetic mechanism (7) is powered to drive the first movable rod (72) to move, the first movable rod driving part (722) drives the fourth linkage part (36) to drive the turnover piece (3) to rotate from the second position to the intermediate position.

8. An operating mechanism for a switch, according to claim 7, characterised in that: The electromagnetic components of the first electromagnetic mechanism (7) and the second electromagnetic mechanism (8) each include a moving iron core and a movable rod mounting plate (783) fixedly connected with the moving iron core, a movable rod (782) is rotatably mounted on the movable rod mounting plate (783), a movable rod spring (784) is connected with the movable rod (782), and the movable rod spring (784) drives the movable rod (782) to rotate to be fixedly limited by the movable rod mounting plate (783); the movable rod driving part (7822) is a hook structure, an outer side of the hook structure is provided with a pull hook part inclined surface (7824), and when the first electromagnetic mechanism (7) and the second electromagnetic mechanism (8) are powered off, the third linkage part (35) or the fourth linkage part (36) located on the reset path of the movable rod (782) acts on the pull hook part inclined surface (7824), so that the movable rod (782) is rotated to avoid the third linkage part (35) or the fourth linkage part (36).

9. An operating mechanism for a switch, according to claim 2, characterized in that: The toggle piece (4) is further included, the toggle piece (4) is linked with the turnover piece (3), when the toggle piece (4) is rotated to the first position, the intermediate position and the second position, the turnover piece (3) is driven to rotate to the first position, the intermediate position and the second position respectively, and when the turnover piece (3) is rotated to the first position, the intermediate position and the second position, the toggle piece (4) is driven to rotate to the first position, the intermediate position and the second position respectively.

10. An operating mechanism for a switch according to claim 9, characterized in that: The toggle piece (4) drives the main shaft locking mechanism (5) to lock the main shaft (6) when rotating to the first position and the second position, so that the main shaft (6) cannot rotate to the double-break position; the toggle piece (4) drives the main shaft locking mechanism (5) to unlock the main shaft (6) when rotating to the intermediate position; the main shaft locking mechanism (5) comprises a first lever (51) and a second lever (52), the first ends of the first lever (51) and the second lever (52) are rotatably arranged, and the second ends of the first lever (51) and the second lever (52) are connected by a first elastic member (53); the toggle piece (4) is provided with a third toggle part (44) for driving the first lever (51) and the second lever (52), the third toggle part (44) is located between the second end of the first lever (51) and the second end of the second lever (52); the main shaft (6) is provided with a first locking part (541) and a second locking part (542); the side of the first lever locking part (512) of the first lever (51) and the side of the second lever locking part (522) of the second lever (52) are oppositely and separately arranged on both sides of the main shaft (6); When the toggle piece (4) moves to the first position, the second lever (52) is driven to move away from the main shaft (6) and avoid the first lever (51), so that the first elastic member (53) drives the first lever (51) to move towards the main shaft (6), and when the main shaft (6) rotates to the main power closing position, the first locking part (541) of the main shaft (6) and the first lever locking part (512) are locked, so that the main shaft (6) cannot rotate to the double-break position; When the toggle piece (4) moves to the second position, the first lever (51) is driven to move away from the main shaft (6) and avoid the second lever (52), so that the first elastic member (53) drives the second lever (52) to move towards the main shaft (6), and when the main shaft (6) rotates to the standby power closing position, the second locking part (542) of the main shaft (6) and the second lever locking part (522) are locked, so that the main shaft (6) cannot rotate to the double-break position; When the toggle piece (4) rotates from the first position to the intermediate position, the first lever (51) is driven to move away from the main shaft (6) and overcome the force of the first elastic member (53), so that the first lever locking part (512) is driven to move away from the main shaft (6) and the locking cooperation with the first locking part (541) of the main shaft (6) is released, and the first elastic member (53) drives the second lever (52) to reset; when the toggle piece (4) rotates from the second position to the intermediate position, the second lever (52) is driven to move away from the main shaft (6) and overcome the force of the first elastic member (53), so that the second lever locking part (522) is driven to move away from the main shaft (6) and the locking cooperation with the second locking part (542) of the main shaft (6) is released, and the first elastic member (53) drives the first lever (51) to reset.

11. An operating mechanism for a switch, according to claim 10, characterised in that: Further provided is a baffle (54) fixedly arranged on the main shaft (6), which has a circular structure with a circular arc side (544) and a locking groove formed in the circular arc side (544), and the two side walls of the locking groove are respectively used as a first locking portion (541) and a second locking portion (542).

12. An operating mechanism for a switch according to claim 10, characterized in that: The first lever (51) and the second lever (52) are arranged side by side and spaced apart, the first end of the first lever (51) is rotatably arranged, and the second end is provided with a first lever sliding groove (511) sleeved on a first lever limiting shaft (513) to limit the rotation angle of the first lever (51); the first end of the second lever (52) is rotatably arranged, and the second end is provided with a second lever sliding groove (521) sleeved on a second lever limiting shaft (523) to limit the rotation angle of the second lever (52); the first elastic member (53) is connected between the second end of the first lever (51) and the second end of the second lever (52); the side of the first lever (51) provided with a first lever locking portion (512) and the side of the second lever (52) provided with a second lever locking portion (522) are arranged opposite to each other and located on the two sides of the main shaft (6).

13. An operating mechanism for a switch, according to claim 9, characterized in that: Further provided is a dial member limiting mechanism (9) including a first limiting plate (91), a second limiting plate (92), a first limiting plate return member (93) and a second limiting plate return member (94); the first limiting plate (91) and the second limiting plate (92) are rotatably arranged; the first limiting plate return member (93) is connected with the first limiting plate (91) to drive the first limiting plate (91) to rotate away from the dial member (4) to avoid the dial member (4); the second limiting plate return member (94) is connected with the second limiting plate (92) to drive the second limiting plate (92) to rotate away from the dial member (4) to avoid the dial member (4). When the turnover member (3) rotates from the first position of the turnover member to the intermediate position of the turnover member, the dial member (4) rotates from the first position of the dial member to the intermediate position of the dial member; the turnover member (3) drives the first energy storage mechanism (1) to store energy and pass the balance position; the first energy storage mechanism (1) drives the first limiting plate (91) to move towards the dial member (4), and the limiting plate limiting portion (9120) of the first limiting plate (91) limits the dial member (4) in the intermediate position of the dial member, so that the dial member (4) cannot continue to rotate to the second position of the dial member; the first energy storage mechanism (1) passing the balance position releases energy to drive the main shaft (6) to rotate to the double-split position, and the first energy storage mechanism (1) avoids the first limiting plate (91); the first limiting plate return member (93) drives the first limiting plate (91) to move to release the limitation of the dial member (4). When the turnover piece (3) rotates from the second position of the turnover piece to the intermediate position of the turnover piece, the pusher (4) rotates from the second position of the pusher to the intermediate position of the pusher, the second energy storage mechanism (2) is driven to store energy and pass the balance position, the second limiting plate (92) is driven to move towards the pusher (4), and the pusher (4) is limited in the intermediate position of the pusher by the limiting plate limiting portion (9120) of the second limiting plate (92), so that the pusher (4) cannot continue to rotate to the first position of the pusher, the second energy storage mechanism (2) passing the balance position releases energy to drive the main shaft (6) to rotate to the double-split position, and the second energy storage mechanism (2) avoids the second limiting plate (92), and the second limiting plate reset piece (94) drives the second limiting plate (92) to move to release the limiting of the pusher (4).

14. An operating mechanism for a switch, according to claim 13, characterised in that: The driven plates of the first energy storage mechanism (1) and the second energy storage mechanism (2) are respectively the first driven plate (121) and the second driven plate (221), the first driven plate (121) and the second driven plate (221) are provided with limiting plate driving portions (1211) for driving the first limiting plate (91) and the second limiting plate (92) respectively, the first driven plate (121) and the second driven plate (221) are installed on the main shaft (6), the turnover piece (3) is located between the first driven plate (121) and the second driven plate (221), the first limiting plate (91) and the second limiting plate (92) are arranged above the first driven plate (121) and the second driven plate (221) respectively, the pusher (4) is arranged above the turnover piece (3), and the two side protrusions of the pusher (4) are respectively provided with the first pusher (42) and the second pusher (43) for limiting cooperation with the first limiting plate (91) and the second limiting plate (92).

15. An operating mechanism for a switch, according to claim 6, characterized in that: The support (102) includes the first side plate (103) and the second side plate (104) arranged in opposite relation, the first energy storage mechanism (1), the second energy storage mechanism (2) and the turnover piece (3) are arranged between the first side plate and the second side plate, the main shaft (6) penetrates the first side plate and the second side plate, the turnover piece (3) is rotatably arranged on the main shaft (6), the first electromagnetic mechanism (7) and the second electromagnetic mechanism (8) are symmetrically arranged below the two sides of the turnover piece (3), and the pusher (4) is arranged between the first side plate (103) and the second side plate (104) above the turnover piece (3).

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