CN117672734A - Energy storage structure and rotary isolating switch - Google Patents

Abstract

The invention relates to the field of piezoelectric devices, in particular to an energy storage structure, which comprises an operation shaft and a time-delay energy storage mechanism, wherein the operation shaft rotates from a brake-separating position to a brake-closing position to drive the energy storage structure to switch from a brake-separating state to a brake-closing state, and simultaneously drives the time-delay energy storage mechanism to switch from an energy-releasing state to an energy storage state; the delay energy storage mechanism is in an energy storage state, and the operating shaft freely rotates between a brake-separating position and a brake-closing position; the energy storage structure is in a switching-on state, the energy-releasing of the time-delay energy storage mechanism drives the operation shaft to rotate, and then the operation shaft drives the energy storage structure to switch to a switching-off state; also relates to a rotary disconnector comprising said energy storage structure; the energy storage structure and the rotary isolating switch are good in reliability.

Description

Energy storage structure and rotary isolating switch

Technical Field

The invention relates to the field of piezoelectric devices, in particular to an energy storage structure and a rotary isolating switch.

Background

Rotary disconnectors generally comprise an operating device and a switch body, which are connected in a driving manner, the switch body comprising a plurality of switching units which are stacked together and which are synchronously closed or opened by the driving of the operating device. With the wide application of rotary disconnectors, new functional requirements are put forward for rotary disconnectors: the rotary isolating switch has the remote tripping function when the system line fails, and can be manually switched on when the fault is cleared, and meanwhile, the remote tripping function does not influence the manual switching-on and switching-off operation of the isolating switch.

When the energy is released by the time-delay energy storage mechanism, the existing rotary isolating switch directly drives the opening brake through the real-time energy storage mechanism, so that the rotary isolating switch is complex in structure and poor in stability.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an energy storage structure and a rotary isolating switch comprising the energy storage structure, which have good reliability.

In order to achieve the above purpose, the invention adopts the following technical scheme:

the energy storage structure comprises an operation shaft and a time-delay energy storage mechanism, wherein the operation shaft rotates from a brake separating position to a brake closing position to drive the energy storage structure to switch from a brake separating state to a brake closing state, and simultaneously drives the time-delay energy storage mechanism to switch from an energy releasing state to an energy storage state; the delay energy storage mechanism is in an energy storage state, and the operating shaft freely rotates between a brake-separating position and a brake-closing position; the energy storage structure is in a closing state, the energy storage mechanism is delayed to release energy to drive the operation shaft to rotate, and then the operation shaft drives the energy storage structure to switch to a separating state.

Preferably, the delay energy storage mechanism comprises a rotary table and a first energy storage spring, the rotary table is driven by the operation shaft to rotate from an energy release position to an energy storage position so as to enable the first energy storage spring to store energy, and the rotary table is locked so as to enable the delay energy storage mechanism to be kept in an energy storage state;

Under the state of closing, the energy storage structure has a brake separating idle stroke between the rotary table and the operation shaft, and the operation shaft is driven by external force to rotate from a closing position to a brake separating position so that the energy storage structure is switched to the brake separating state, and meanwhile, the brake separating idle stroke is driven relative to the rotary table.

Preferably, the turntable and the operation shaft are coaxially arranged, the turntable comprises a turntable main board, the turntable main board is provided with a turntable shaft hole and at least one turntable driven hole, the turntable is rotationally sleeved on the operation shaft through the turntable shaft hole, and the turntable driven hole comprises a first surface and a second surface;

the time-delay energy storage mechanism comprises a driving finger fixedly arranged on the operation shaft, and the driving finger is arranged in the driven hole of the turntable;

the driving finger presses the first surface to enable the turntable to rotate towards the energy storage position;

when the operation shaft is positioned at the closing position, a brake separating idle stroke exists between the second surface and the driving finger, and when the energy is released by the time-delay energy storage mechanism, the energy is released by the first energy storage spring to drive the turntable to rotate, and the first surface is matched with the driving finger to drive the operation shaft to rotate at the brake separating position.

Preferably, the driven hole of the turntable is a sector hole concentric with the axle hole of the turntable, and the two ends of the sector hole in the circumferential direction are respectively provided with a first surface and a second surface; the turntable comprises two sector holes which are symmetrically arranged at two radial sides of the turntable shaft hole; the time-delay energy storage mechanism further comprises a driving key, wherein the driving key is inserted onto the operation shaft along the radial direction of the operation shaft, two ends of the driving key respectively protrude out of two radial sides of the operation shaft to serve as driving fingers, and the driving fingers are respectively arranged in the two sector holes.

Preferably, the radial inner end of the sector hole is communicated with the rotary disc shaft hole.

Preferably, the first energy storage spring is a torsion spring rotationally sleeved on the operation shaft, the first energy storage spring, the rotary table and the operation shaft are coaxially arranged, and two ends of the first energy storage spring are respectively a first spring fixed end fixedly arranged and a first spring driven end matched with the rotary table.

Preferably, the time-delay energy storage mechanism further comprises a first bushing, wherein the first bushing is rotatably sleeved on the operation shaft and is inserted between the first energy storage spring and the operation shaft.

Preferably, the energy storage structure further comprises a device shell, wherein the device shell comprises a shell upper cover and a shell partition plate which are buckled together, and the time-delay energy storage mechanism further comprises a gasket; the first lining comprises a first lining head and a first lining body which are coaxially arranged and connected with each other, the outer diameter of the first lining head is larger than the outer diameter of the first lining body and larger than the outer diameter of a first spring spiral body of the first energy storage spring, the first lining body is inserted between the first spring spiral body and the operation shaft, the first energy storage spring, the rotary table and the gasket are sequentially arranged between the upper shell cover and the shell partition plate, the first spring spiral body is located between the first lining head and the rotary table, the first lining head is matched with the upper shell cover, the gasket is arranged on the shell partition plate, and the rotary table is rotationally arranged on the gasket.

Preferably, one end of the first bushing body is connected with the first bushing head, and a plurality of sliding protrusions are arranged at the other end of the first bushing body and propped against the turntable.

Preferably, the turntable further comprises a turntable matching arm and a turntable locking arm, wherein the first spring driven end is matched with the turntable matching arm, and the turntable locking arm is used for locking the turntable at the energy storage position.

Preferably, the turntable matching arm is connected with the turntable main board in a bending way, and the turntable locking arm and the turntable main board are coplanar.

A rotary switch comprising said energy storage structure.

According to the energy storage structure, the energy release of the time-delay energy storage mechanism drives the opening of the brake through the operation shaft, so that the working reliability and stability of the operation device are improved.

In addition, the operation shaft is matched with the rotary table, the manual operation shaft is used for driving the operation device to switch off and switch on, the time-delay energy storage mechanism cannot be influenced, and the operation shaft is matched with the rotary table, so that the structure is simple and the reliability is good.

The rotary isolating switch comprises the energy storage structure, and is good in reliability.

Drawings

FIG. 1 is a schematic perspective view of a rotary isolating switch of the present invention;

FIG. 2 is a schematic view of the operation device and the switch body of the present invention after being disassembled;

FIG. 3 is a schematic structural view of a switch body of the present invention, the switch body being formed by stacking a plurality of switch units;

FIG. 4 is a schematic view of a time delay energy storage mechanism, a locking mechanism and a trip mechanism of the present invention, the time delay energy storage mechanism being in a state of energy release;

FIG. 5 is a schematic diagram of a three-dimensional structure of the delay energy storage mechanism, the locking mechanism and the tripping mechanism of the invention, wherein the delay energy storage mechanism is in the process of switching from an energy release state to an energy storage state;

FIG. 6 is a schematic view of a time delay energy storage mechanism, locking mechanism and trip mechanism of the present invention, the time delay energy storage mechanism being in an energy storage state;

FIG. 7 is a schematic diagram of a three-dimensional structure of the delay energy storage mechanism, locking mechanism and trip mechanism of the present invention, the delay energy storage mechanism being in an energy storage state;

FIG. 8 is a schematic perspective view of the time delay energy storage mechanism, the latching mechanism and the trip mechanism of the present invention, the trip mechanism being in an un-tripped state;

fig. 9 is a schematic diagram of a three-dimensional structure of the delay energy storage mechanism and the trip mechanism of the present invention, the trip mechanism being in a tripped state;

FIG. 10 is a schematic diagram of an exploded construction of the time delay energy storage mechanism of the present invention;

FIG. 11 is a schematic diagram of the time delay energy storage mechanism of the present invention showing the mating relationship of the drive fingers and the turntable;

FIG. 12 is a schematic view of the structure of a gasket of the present invention;

FIG. 13 is a schematic view of the structure of the turntable of the present invention;

FIG. 14 is a schematic view of the construction of the first bushing of the present invention;

FIG. 15 is a schematic cross-sectional view of the housing of the device of the present invention;

FIG. 16 is a schematic view of an exploded construction of the device housing of the present invention;

FIG. 17 is a schematic view of the structure of the housing panel of the present invention;

FIG. 18 is a schematic view of the structure of the upper cover of the housing of the present invention;

FIG. 19 is a schematic view of the structure of the housing baffle of the present invention;

FIG. 20 is a schematic view of the structure of the locking element of the present invention;

FIG. 21 is a schematic view of the engagement of the locking element of the present invention with the turntable;

FIG. 22 is a schematic view of a switch unit of the present invention;

fig. 23 is an exploded view of the switch unit of the present invention;

FIG. 24 is a schematic view of the structure of the unit housing of the present invention;

FIG. 25 is a schematic perspective view of a moving contact shaft according to the present invention;

FIG. 26 is a schematic cross-sectional view of a moving contact shaft according to the present invention;

FIG. 27 is a schematic view of the handle, handle attachment screw and operating shaft of the present invention in an exploded configuration;

fig. 28 is a schematic view of the structure of the handle of the present invention.

Description of the reference numerals

A first space s1; a second space s2; a partition plate p; an operation device 1; a housing base 101; a base assembly groove 1011u; a base counter bore 1011m; a base shaft hole 1011d; brake separating grooves 1012-13; a first brake slot side 1012; a second shunt slot side 1013; closing grooves 1015-16; a first closing slot side 1015; a second closing slot side 1016; a housing partition 102; a gasket mounting groove 1021; a separator shaft hole 1023; a housing diaphragm spring limit groove 1025; a turntable stop 1026; a housing upper cover 103; an upper cover shaft hole 1031; a housing panel 104; an output shaft 111; an output shaft driven portion 1110; an output shaft driving section 1111; a driving part coupling hole 1114; a sliding boss 1112; an output shaft positioning hole 1113; a carriage 112; a slider bottom plate 1120; closing slider arm 1122c; brake release slider arm 1122o; a carriage limit 1123; a carriage chute 1124; an operation shaft 1131; an operation shaft insertion hole 11314; a spacer 121; a spacer escape hole 1211; gasket counterbore 1212; a first gasket catch 1214; a second gasket slot 1215; a gasket opening 1216; a catch piece 122; a catch piece main plate 1222; a latch reset portion 1222-1; a catch piece receiving portion 1221; a locker locking part 1223; a locking portion guide surface 1223-1; a locking portion locking surface 1223-0; a latch reset element 123; a first bushing 124; a first liner body 1241; a first bushing head 1242; a sliding projection 1245; a first energy storage spring 126; a first spring fixed end 1261; a first spring driven end 1262; a turntable 127; a dial main plate 1270, a dial shaft hole 1271; carousel locking arms 1273-74; carousel engagement arms 1275-77; the dial engagement arms engage the side edges 1275; the turntable engages arm stop flange 1277; a dial passive aperture 1276; first face 12761; a second face 12762; a drive key 128; trip 134; a switch body 2; a unit case 221; a unit housing shaft hole 2211; a unit housing counterbore 2212; a moving contact rotation shaft 222; spindle bases 2221-22; a spindle base lower section 2221; an upper spindle base section 2222; rotating shaft columns 2223-24; a spindle post lower section 2223; the upper shaft column section 2224; a spindle base connection hole 2226; a first blind hole 2227; a second blind bore 2228; a stationary contact 223; an arc extinguishing chamber 224; a moving contact assembly 225; a screw 3; a handle 4; a handle connection hole 41; the handle is connected with a screw 5.

Detailed Description

Specific embodiments of the disconnector according to the invention are further described below in connection with the examples shown in the drawings. The isolating switch of the present invention is not limited to the description of the following embodiments.

As shown in fig. 1-2, the present invention discloses a disconnecting switch, preferably a rotary disconnecting switch, further preferably a remote control rotary switch, which comprises an operating device 1 and a switch body 2 which are in driving connection, wherein the operating device 1 drives the switch body 2 to switch on or off a circuit. Further, the operating device 1 is fixedly connected with the switch body 2 through a connecting piece. Further, as shown in fig. 2, the connecting member is preferably a bolt, and the bolt includes a screw rod 3 and a nut (not shown in the drawing), and the screw rod 3 is screwed with the nut fixed to the operating device 1 after passing through the switch body 2. Of course, it is also not excluded that the operating device 1 and the switch body 2 are connected in other ways, for example by means of rivets or snaps or ultrasonic welding or hot riveting, etc.

As shown in fig. 1-3 and 22, the switch body 2 includes at least one switch unit, and the switch unit includes a movable contact assembly 225 rotatably disposed and a fixed contact matched with the movable contact assembly 225; the operating device 1 is in driving connection with a moving contact assembly 225 of the switch unit, and drives the moving contact assembly 225 to rotate so as to be closed or opened with a fixed contact, thereby switching on or off a circuit. Further, the switch body 2 includes a plurality of switch units stacked, and the moving contact assemblies 225 of the switch units are disposed in a linkage rotation manner.

As shown in fig. 4 to 9, the operating device 1 includes an operating shaft 1131 rotatably disposed around its own axis, a time delay energy storage mechanism, a real-time energy storage mechanism (not shown), a locking mechanism, and a trip mechanism; the operation shaft 1131 rotates between a switching-off position and a switching-on position to output switching-on and switching-off operation force to the real-time energy storage mechanism; the real-time energy storage mechanism comprises a second energy storage spring 1133, an operating shaft 1131 is in transmission fit with the real-time energy storage mechanism, and is used for driving the second energy storage spring 1133 to store energy and release energy to drive the operating device 1 to rapidly switch between a switching-off state and a switching-on state, and the operating device 1 drives the switch body 2 to rapidly switch off or switch on a circuit; when the operation shaft 1131 rotates from the switching-on position to the switching-off position, the operation device 1 is driven to switch to the switching-off state through the real-time energy storage mechanism, and when the operation shaft 1131 is switched from the switching-off position to the switching-on position, the operation device 1 is driven to switch to the switching-on state through the real-time energy storage mechanism; the time-delay energy storage mechanism comprises a first energy storage spring 126, and the time-delay energy storage mechanism is provided with an energy storage state in which the first energy storage spring 126 stores energy and an energy release state in which the first energy storage spring 126 releases energy; the locking mechanism is used for locking the delay energy storage mechanism in an energy storage state; the tripping mechanism is used for triggering the locking mechanism to be in locking fit with the delay energy storage mechanism, so that the delay energy storage mechanism releases energy, and the energy storage state is switched to the energy release state to drive the operating device 1 to be switched from the closing state to the opening state; when the operation shaft 1131 rotates from the opening position to the closing position, the delay energy storage mechanism is driven to switch from the energy release state to the energy storage state, and the delay energy storage mechanism is locked and matched with the locking mechanism to be locked in the energy storage state; when the delay energy storage mechanism is locked in an energy storage state by the locking mechanism, the avoidance operation shaft 1131, namely, the operation shaft 1131 rotates between a closing position and a separating position at the moment, so that the state of the delay energy storage mechanism is not influenced. That is to say: the operation device 1 is in a brake-separating state, the time-delay energy storage mechanism is in an energy-releasing state, the operation shaft 1131 rotates from a brake-separating position to a brake-closing position, the operation device 1 is driven to switch to a brake-closing state through the real-time energy storage mechanism, the time-delay energy storage mechanism is driven to switch to the energy storage state, and the time-delay energy storage mechanism is in locking fit with the locking mechanism so as to be kept in the energy storage state; the delay energy storage mechanism is in an energy storage state, the operation shaft 1131 is freely switched between a switching-on position and a switching-off position, that is, external force can be directly applied to the operation shaft 1131 to drive the operation shaft 1131 to rotate between the switching-off position and the switching-on position so as to drive the operation device 1 to freely switch between the switching-off state and the switching-on state, and the state of the energy storage mechanism is not influenced; the operation device 1 is in a closing state and the delay energy storage mechanism is in an energy storage state, after the tripping mechanism receives a tripping signal, the locking mechanism is driven to be in locking fit with the delay energy storage mechanism, and the delay energy storage mechanism releases energy and drives the operation device 1 to be switched to a switching-off state; the operation shaft 1131 rotates in opposite directions to rotate between a brake-off position and a brake-on position; therefore, the operating device 1 can be separated in two modes, one mode is that the operating shaft 1131 is screwed by external force to manually drive the operating device 1 to separate in a separating mode, the other mode is that a tripping signal is input to a tripping mechanism in a remote control mode, the tripping mechanism acts to trigger a delay energy storage mechanism to release energy, and the delay energy storage mechanism drives the operating device 1 to separate in a separating mode, so that remote separating control on the rotary isolating switch is realized.

Further, the locking mechanism comprises a locking piece 122, wherein the locking piece 122 is used for locking the time-delay energy storage mechanism in an energy storage state in a locking fit manner; the trip mechanism comprises a trip device 134, wherein the trip device 134 is preferably a magnetic flux trip device, and is used for driving the locking piece 122 to act so as to be in locking fit with the time-delay energy storage mechanism; the delay energy storage mechanism is in locking fit with the locking piece 122 to keep in an energy storage state after being switched to the energy storage state; after the trip mechanism receives the trip signal, the trip device 134 acts to drive the latch 122 to release the locking engagement with the delay energy storage mechanism.

As shown in fig. 1-9, 18-19 and 15-19, the operating device 1 further comprises a device housing, and the time delay energy storage mechanism, the real-time energy storage mechanism, the locking mechanism and the tripping mechanism are all arranged in the device housing. Further, as shown in fig. 15, the device housing includes a first space s1 and a second space s2 disposed along an axial direction of the operating shaft 1131, a partition plate p is disposed between the first space s1 and the second space s2, the time-delay energy storage mechanism is disposed in the first space s1, the real-time energy storage mechanism is disposed in the second space s2, the partition plate p is provided with a partition plate shaft hole 1023 through which the operating shaft 1131 passes, the operating shaft 1131 is rotatably inserted in the first space s1 and the second space s2 and is respectively matched with the time-delay energy storage mechanism and the real-time energy storage mechanism, one end of the operating shaft 1131 protrudes outside the device housing for operation, and the other end sequentially passes through the first space s1 and the partition plate p and then is inserted in the second space s 2. Further, as shown in fig. 15-19, the device housing includes a housing upper cover 103, a housing partition 102 and a housing base 101 that are sequentially matched, the housing upper cover 103 and the housing partition 102 are buckled to form a first space s1, the housing partition 102 and the housing base 101 are buckled to form a second space s2, and the housing partition 102 includes a partition p.

Preferably, as shown in fig. 15-16, the device housing further includes a housing panel 104, where the housing panel 104 and the housing partition 102 are respectively located on two sides of the housing upper cover 103, and the housing panel 104 is fixedly connected to the housing upper cover 103. Further, as shown in fig. 17, a panel pin 1041 is provided on a side of the housing panel 104 facing the housing upper cover 103; as shown in fig. 18, an upper cover card hole 1032 is formed on a side of the upper cover 103 facing the panel 104 of the housing, and the panel pin 1041 is snapped into the upper cover card hole 1032.

Preferably, as shown in fig. 16-17, an arc-shaped protruding surface with an arc-shaped cross section is arranged on one side of the shell panel 104 away from the shell upper cover 103, and two ends of the arc-shaped protruding surface in the length direction are respectively flush with two ends of the shell panel 104; the shell upper cover 103 is further provided with an upper cover shaft post base on one side facing the shell panel 104, the upper cover shaft post is arranged on the upper cover shaft post base, and a panel opening through which the upper cover shaft post base passes and is matched with the upper cover shaft post base is arranged in the middle of the arc-shaped protruding surface.

As other embodiments, the housing panel 104 may be further connected to the housing upper cover 103 by screws, ultrasonic riveting, heat staking, or the like.

As shown in connection with fig. 4-6, 10-11, 15-16, the locking mechanism is preferably arranged in the first space s 1.

Preferably, as shown in fig. 15, the device housing further includes a third space s3 for accommodating the trip mechanism, and the third space s3 and the second space s2 are disposed side by side in a radial direction of the operation shaft 1131.

As shown in fig. 1-2 and 27-28, the operating device 1 further includes a handle 4, and an end, far away from the real-time energy storage mechanism, of the operating device 1131 after operation is an operating shaft connection end, and is used for being connected with the handle 4 in a plugging manner.

As shown in fig. 7-8, the connecting end of the operation shaft is provided with two operation shaft limiting surfaces, the two operation shaft limiting surfaces are parallel to the axial direction of the operation shaft 1131, and the two operation shaft limiting surfaces are distributed in a splayed shape on the cross section of the operation shaft 1131; the middle part of the handle 4 is provided with a handle connecting hole 41, and the shape of the handle connecting hole 41 is matched and matched with the connecting end of the operation shaft. Further, the two limiting surfaces of the operating shaft are symmetrically arranged at two sides of the axial section of the operating shaft 1131.

As shown in fig. 27, the operating device 1 further includes a handle connection screw 5, where the handle connection screw 5 passes through the handle 4 along the axial direction of the operating shaft 1131 and is screwed with the connecting end of the operating shaft, so as to improve the connection reliability of the handle 4 and the operating shaft 1131.

The operation shaft 1131 rotates between a closing position and a separating position, when the closing operation and the separating operation are completed through the real-time energy storage mechanism, the real-time energy storage mechanism is subjected to the process of storing energy first and then releasing energy, when the real-time energy storage mechanism stores energy, the switch body 2 preferably does not act, and when the real-time energy storage mechanism releases energy, the switch body 2 is driven to switch between a closing state and a separating state.

As shown in fig. 4-7 and 10-14, the time delay energy storage mechanism is an embodiment of the time delay energy storage mechanism, and is used for providing energy for opening the brake of the operation device, that is, the time delay energy storage mechanism provides driving force for driving the operation shaft 1131 to rotate from a closing position to an opening position, specifically: the time-delay energy storage mechanism comprises a first energy storage spring 126, when the operation shaft 1131 rotates from the opening position to the closing position to drive the operation device to close, the first energy storage spring 126 is driven to store energy, namely, the time-delay energy storage mechanism is driven to switch from an energy release state to an energy storage state, and when the opening is controlled remotely, the time-delay energy storage mechanism releases energy, namely, the first energy storage spring 126 releases energy, so that a driving force for enabling the operation shaft 1131 to rotate from the closing position to the opening position is provided.

In the closing state of the operating device 1, the energy-saving and energy-saving delay mechanism releases energy to drive the operating shaft 1131 to rotate, then the operating shaft 1131 drives the operating device 1 to switch to the opening state through the real-time energy-saving mechanism, and the transmission path when the energy-saving and energy-saving delay mechanism drives the operating device 1 to open is as follows: compared with the time delay energy storage mechanism in the prior art, the time delay energy storage mechanism directly passes through the real-time energy storage mechanism, the whole structure of the operation device is simplified, and the working stability and the reliability are improved. In the rotary isolating switch of the embodiment, no matter the rotary isolating switch is manually operated or remotely controlled, the operating shaft 1131 is required to output the opening or closing operating force, and the opening or closing operation is completed through the real-time energy storage mechanism.

As shown in fig. 7 and 10, the delay energy storage mechanism comprises a rotary disk 127 and a first energy storage spring 126, the rotary disk 127 is driven by an operation shaft 1131 to rotate from an energy release position to an energy storage position so as to enable the first energy storage spring 126 to store energy, and the rotary disk 127 is locked in the energy storage position so as to enable the delay energy storage mechanism to be kept in an energy storage state; the operation shaft 1131 has a brake-separating idle stroke between the rotating disc 127 and the operation shaft 1131 at a brake-closing position, that is, the operation device 1 is in a brake-closing state, the operation shaft 1131 is driven to rotate by an external force, and the operation shaft 1131 rotates from the brake-closing position to the brake-separating position to switch the operation device 1 to the brake-separating state, and simultaneously, the brake-separating idle stroke is driven relative to the rotating disc 127. Further, as shown in fig. 6-7, the dial 127 is in locking engagement with the catch member 122 of the locking mechanism, locking the dial 127 in the stored energy position.

As shown in fig. 4-9 and 10-11, the turntable 127 is coaxially disposed with the operation shaft 1131, the turntable 127 includes a turntable main plate 1270, the turntable main plate 1270 is provided with a turntable shaft hole 1271 and at least one turntable driven hole 1276, the turntable 127 is rotatably sleeved on the operation shaft 1131 through the turntable shaft hole 127, and the turntable driven hole 1276 includes a first face 12761 and a second face 12762; the time-delay energy storage mechanism comprises a driving finger fixedly arranged on the operation shaft 1131 and synchronously rotating with the operation shaft, and the driving finger is arranged in the rotary table driven hole 1276; the driving finger presses the first face 12761 to rotate the rotary disk 127 to the energy storage position; as shown in fig. 11, when the operating shaft 1131 is in the closing position, a closing idle stroke exists between the second face 12762 and the driving finger, the closing idle stroke is preferably a fan-shaped avoiding corner between the driving finger and the second face 12762, at this time, the operating shaft 1131 rotates from the closing position to the opening position, the operating shaft 1131 drives the driving finger to walk through the closing idle stroke relative to the turntable 127, the driving finger also rotates relative to the second face 12762 and forms a closing idle stroke between the driving finger and the first face 12761, at this time, the operating shaft 1131 rotates from the opening position to the closing position, the operating shaft 1131 drives the driving finger to walk through the closing idle stroke relative to the turntable 127, and forms a closing idle stroke again between the driving finger and the second face 12762, that is, in other words, in the energy storage state (the turntable 127 is located at the energy storage position), the operating shaft 1131 can rotate freely relative to the turntable 127 between the closing position and the opening position, that is, in other words, the state of the delay energy storage mechanism can be kept in the energy storage state; when the time-delay energy storage mechanism releases energy, the first energy storage spring 126 releases energy to drive the rotary table 127 to rotate towards the energy release position, the first face 12761 is matched with the driving finger to drive the operation shaft 1131 to rotate towards the brake release position, and the operation shaft 1131 preferably drives the operation device 1 to switch to the brake release state through the real-time energy storage mechanism. The driving finger: when the operation shaft 1131 drives the time-delay energy storage mechanism to store energy, the first surface 12761 is pressed to drive the rotary table 127 to rotate from the energy release position to the energy storage position; when the time-delay energy storage mechanism releases energy, the rotary disk 127 rotates from the energy storage position to the energy release position and presses the driving finger through the first face 12761, and the driving finger drives the operation shaft 1131 to rotate from the closing position to the opening position.

As shown in fig. 13, the driven hole 1276 is a sector hole concentric with the shaft hole 1271, and a first surface 12761 and a second surface 12762 are provided at both ends of the sector hole in the circumferential direction. Further, the turntable 127 includes two sector holes symmetrically disposed on two radial sides of the turntable shaft hole 1271; the time-delay energy storage mechanism further comprises a driving key 128, wherein the driving key 128 is inserted on the driving key along the radial direction of the operation shaft 1131, two ends of the driving key 128 respectively protrude out of two radial sides of the operation shaft 1131 to serve as driving fingers, and the driving fingers are respectively arranged in the two sector holes. Further, the radial inner ends of the two sector holes are communicated with the turntable shaft hole 1271, and the three are integrally formed into a dumbbell structure; as shown in fig. 10 to 11, the operation shaft 1131 is provided with an operation shaft insertion hole 11314 into which the driving member 128 is inserted.

As other embodiments, the opening idle stroke between the dial 127 and the operation shaft 1131 may also be achieved by: the operation shaft 1131 is provided with a fan-shaped groove, the circle center of the fan-shaped groove coincides with the axis of the operation shaft 1131, two driving surfaces are respectively arranged at two ends of the fan-shaped groove in the circumferential direction, and the driving surfaces are respectively a first driving surface and a second driving surface; the turntable 127 comprises a turntable driven finger arranged in a turntable shaft hole 1271, and the turntable driven finger is inserted in the fan-shaped groove; when the operation shaft 1131 rotates from the opening position to the closing position, the first driving surface presses the rotating disc driven finger to enable the rotating disc 127 to rotate from the energy releasing position to the energy storing position, the rotating disc 127 is locked at the energy storing position, an opening idle stroke exists between the second driving surface and the rotating disc driven finger, at this time, when the operation shaft 1131 rotates from the closing position to the opening position, the operation shaft 1131 moves through the opening idle stroke relative to the rotating disc 127, a closing idle stroke exists between the second driving surface and the rotating disc driven finger, at this time, the operation shaft 1131 rotates from the opening position to the opening position, at this time, the operation shaft 1131 moves through the closing idle stroke relative to the rotating disc driven finger, that is, the time delay energy storing mechanism is in the energy storing state (the rotating disc 127 is located at the energy storing position), and the operation shaft 1131 can freely rotate between the closing position and the opening position to drive the operation device to switch between the closing state and the opening state.

As shown in fig. 4-9 and 10-11, the first energy storage spring 126 is a torsion spring rotatably sleeved on the operation shaft 1131, the first energy storage spring 126, the turntable 127 and the operation shaft 1131 are coaxially arranged, two ends of the first energy storage spring 126 are respectively a first spring fixing end 1261 fixedly arranged and a first spring driven end 1262 matched with the turntable 127, and the turntable 127 rotates to the energy storage position to drive the first spring driven end 1262 to swing so as to enable the first energy storage spring 126 to twist for energy storage. Further, the first energy storage spring 126 includes a first spring spiral body, a first spring fixing end 1261 and a first spring receiving end 1262, where the first spring fixing end 1261 and the first spring receiving end 1262 are respectively connected to two ends of the first spring spiral body.

As other embodiments, the first energy storage spring 126 is a linear compression spring, one end of which is rotatably disposed on the housing partition 102 of the device housing, and the other end of which is rotatably connected to the turntable 127; the rotating disc 127 rotates from the energy release position to the energy storage position to enable the first energy storage spring 126 to be compressed and store energy, and the energy storage position of the rotating disc 127 is before the dead point position of the first energy storage spring 126, and the dead point position of the first energy storage spring 126 refers to the position of the first energy storage spring 126 when the geometric axis of the first energy storage spring 126 and the axis of the rotating disc 127 are located on the same straight line. Of course, the first energy storage spring 126 may be replaced by a torsion spring, where two ends of the torsion spring are respectively rotatably connected with the housing partition 102 and the turntable 127, and at this time, the dead point position of the first energy storage spring 126 refers to the position of the first energy storage spring 126 when two ends of the torsion spring and the turntable 127 are located on the same straight line. The above implementation increases the occupied space of the time delay energy storage mechanism, so the first energy storage spring 126 of this embodiment preferably adopts a torsion spring rotationally sleeved on the operation shaft 1131.

As shown in fig. 4-6, 10-11 and 13, the turntable 127 includes a turntable main plate 1270 and turntable engaging arms 1275-77, one end of a first spring fixed end 1261 of the first energy storage spring 126 is fixed on the device housing, a first spring driven end 1262 engages with the turntable engaging arms 1275-77, and the turntable 127 pushes the first spring driven end 1262 to swing through the turntable engaging arms 1275-77 to enable the first energy storage spring 126 to store energy in torsion. Further, the turntable 127 is rotatably disposed on a housing partition 102 of the device housing, the housing partition 102 is provided with a turntable stop 1026 and a housing partition spring limit groove 1025, the first spring fixing end 1261 is fixed in the housing partition spring limit groove 1025, and the turntable stop 1026 and the turntable engaging arms 1275-77 are in limit engagement to limit the turntable 127 in the energy release position. Further, the housing diaphragm spring limit groove 1025 is disposed on the turntable 1026; the dial engagement arms 1275-77 include oppositely disposed dial engagement arm stop side edges 1277 and dial engagement arm engagement side edges 1275, the dial engagement arm stop side edges 1277 engaging the dial stop 1026, the dial engagement arm engagement side edges 1275 engaging the first spring driven end 1262.

Preferably, as shown in FIGS. 10-13, the dial engagement arms 1275-77 are bent into engagement with the planar surface of the dial main plate 1270. Further, the dial engagement arms 1275-77 are perpendicular to the dial rotation 1270.

As shown in fig. 4-9 and 10-11, the delay energy storage mechanism further includes a first bushing 124, where the first bushing 124 is rotatably sleeved on the operation shaft 1131 and is interposed between the first energy storage spring 126 and the operation shaft 1131, so as to prevent the first energy storage spring 126 from locking the operation shaft 1131 when the first energy storage spring 126 is torsionally storing energy, and to better fix the first energy storage spring 126, prevent the first energy storage spring from deflecting, and ensure reliable and stable operation of the delay energy storage mechanism; one end of the first bushing 124 abuts against the turntable 127, so that the turntable 127 is limited between the first bushing 124 and the housing partition 102, and the turntable 127 is kept in a horizontal state (i.e., a state perpendicular to the axial direction of the operation shaft 1131), so as to prevent the turntable 127 from generating warping tendency under the action of the torsion moment of the first energy storage spring 126.

As shown in fig. 7, 10-12, the time delay energy storage mechanism further comprises a gasket 121 disposed on the housing partition 102 of the device housing; as shown in fig. 10-11 and 15-16, the first bushing 124 includes a first bushing head 1242 and a first bushing body 1241 that are coaxially disposed and connected to each other, the outer diameter of the first bushing head 1242 is larger than the outer diameter of the first bushing body 1241 and larger than the outer diameter of the first spring screw of the first energy-storing spring 126, the first bushing body 1241 is interposed between the first spring screw and the operating shaft 1131, the spacer 121 is disposed on the housing partition 102, the first energy-storing spring 126, the turntable 127 and the spacer 121 are sequentially disposed between the housing upper cover 103 and the housing partition 102, the first bushing head 1242 cooperates with the housing upper cover 103 to limit the axial movement of the first bushing 124 along the operating shaft 1131, the first spring screw is disposed between the first bushing head 1242 and the turntable 127, the turntable 127 is rotatably disposed on the spacer 121, and the spacer 121 protects the housing partition 102 from the turntable 127 from rotating and wearing the housing partition 102, which is beneficial for improving the service life. Further, one end of the first bushing body 1241 is connected to the first bushing head 1242, the other end is provided with a plurality of sliding protrusions 1245, the sliding protrusions 1245 are propped against the turntable 127, which is favorable for reducing the sliding resistance between the first bushing 124 and the turntable 127, and the sliding protrusions 1245 limit the warping trend of the turntable 127 under the eccentric torque action of the energy storage spring 126 in a plane, so that the turntable main board 1270 of the turntable 127 is kept in a horizontal state, and the locking surface 1274 of the turntable locking arm is kept in a horizontal state so as to keep a limit fit with the locking surface 1223-0 of the locking piece 122 in a horizontal direction; the sliding protrusions 1245 are preferably uniformly distributed on the free end of the first bush body 1241 in the circumferential direction of the first bush body 1241.

10-11 and 13, the gasket 121 is provided with a gasket avoidance hole 1211 for the operation shaft 1131 to pass through, a gasket counter bore 1212 arranged on one side of the gasket 121 facing the turntable 127, and a gasket opening 1216 for the driving key 128 of the time-delay energy storage mechanism to pass through, wherein the inner diameter of the gasket counter bore 1212 is larger than the inner diameter of the gasket avoidance hole 1211 and smaller than the outer diameter of the turntable main plate 1270 of the turntable 127, the gasket opening 1216 is communicated with the gasket counter bore 1212, and the driving key 128 enters the gasket counter bore 1212 through the gasket opening 1216, is inserted into the operation shaft 1131 and swings in the gasket counter bore 1212; when the operating device is assembled, the operating shaft 1131 and the real-time energy storage mechanism are assembled together, then the time-delay energy storage mechanism is assembled, and the gasket opening 1216 is convenient for assembling the driving key 128 and the operating shaft 1131, so that the assembly efficiency is improved. Further, the gasket 121 further includes a first gasket clamping groove 1214 and a second gasket clamping groove 1215, which are respectively disposed on two opposite sides of the gasket 121 and respectively engaged with the housing partition 102 of the device housing.

As shown in fig. 19, the housing partition 102 is provided with a gasket mounting groove 1021, a partition shaft hole 1023 through which the operation shaft 1131 passes is provided in the bottom wall of the gasket mounting groove 1021, and two partition clamping tables, namely a first partition clamping table and a second partition clamping table, which are respectively matched with the first gasket clamping groove 1214 and the second gasket clamping groove 1215 are further provided in the gasket mounting groove 1021.

As shown in fig. 4-7 and 10-11, the latch member 122 of the locking mechanism is rotatably disposed and includes a latch member main plate 1222 and a latch member locking portion 1223; the dial 127 further includes dial locking arms 1273-74 (as an external structure for positive engagement with the latch locking portion 1223 of the latch 122) provided on the dial main plate 1270; in the process that the rotary table 127 rotates from the energy release position to the energy storage position, the rotary table locking arms 1273-74 press the locking piece locking parts 1223 to enable the locking piece 122 to rotate in a first direction so as to avoid the rotary table locking arms 1273-74, after the rotary table locking arms 1273-74 pass through the locking piece locking parts 1223, the locking piece 122 rotates in a second direction so as to reset and be in limit fit with the rotary table locking arms 1273-74, so that the rotary table 127 is limited in the energy storage position, and the time-delay energy storage mechanism is kept in an energy storage state; the first direction and the second direction are opposite to each other. Further, the locker locking part 1223 is provided on a side edge of the locker main plate 1222 facing the turntable 127.

As shown in fig. 7 and 20-21, one end of the latch 122 is a latch pivoting end, the other end is provided with a latch receiving portion 1221, the latch 122 is rotatably disposed through the latch pivoting end, and an external force (for example, the release 134 of the release mechanism) drives the latch 122 to rotate in the unlocking direction through the latch receiving portion 1221, so that the latch locking portion 1223 is unlocked from the turntable locking arms 1273-74. Further, the latch passive part 1221 is connected to the latch main board 1222 in a bending manner, and the plane of the latch passive part 1221 intersects with the plane of the latch main board 1222. Further, the plane of the latch passive part 1221 is perpendicular to the plane of the latch main board 1222, and one end of the latch main board 1222 connected to the latch passive part 1221 is flush with the side edge of the latch passive part 1221.

As shown in fig. 20-21, the latch pivot end is provided with a latch shaft hole 1222-0; as shown in fig. 4-7 and 19, the locking mechanism further includes a latch shaft 125 fixed to the housing partition 102 of the device housing, and the latch 122 is rotatably disposed on the latch shaft 125 through a latch shaft hole 1222-0.

As shown in fig. 21, the latch locking portion 1223 includes a latch locking surface 1223-0, and the latch locking surface 1223-0 is located on a side of a straight line L1 extending in the extending direction of the latch main plate 1222 and passing through the rotation center O of the latch 122. Specifically, as shown in fig. 21, when the latch 122 is in a horizontal state, the latch locking surface 1223-0 is located below the line L1, and the external structure applies a force parallel to the line L1 to the latch 122 from the side of the latch locking surface 1223-0 in cooperation with the latch locking surface, so that the latch 122 rotates in the locking direction; the locking direction and the unlocking direction are opposite to each other.

As shown in fig. 21, the line connecting the rotation center O of the catch piece 122 and the contact point of the rotary table locking arm 1273-74 and the locking portion locking surface 1223-0 is a straight line L2; the force applied by the dial lock arm 1273-74 to the lock portion locking surface 1223-0 extends in the direction of a straight line L3, the straight line L3 being located below a straight line L2, and the straight line L2 being located below a straight line L1.

Preferably, as shown in fig. 7 and 20-21, the latch locking portion 1223 includes a locking portion guiding surface 1223-1 and a locking portion locking surface 1223-0, and the rotary table locking arm 1273-74 abuts against the locking portion guiding surface 1223-1 to rotate the latch 122 in the first direction, and the rotary table locking arm 1273-74 is in a limit fit with the locking portion locking surface 1223-0 to lock the rotary table 127 in the stored energy position. Further, the latch locking portion 1223 and the latch main board 1222 are coplanar, the latch locking portion 1223 is disposed on a side edge of the latch main board 1222 facing the turntable main board 1270, the latch locking portion 1223 has a wedge structure, a large diameter end thereof is connected to the latch main board 1222, and a tip end thereof faces the turntable main board 1270.

Preferably, as shown in fig. 13, the rotation plane of the turntable main plate 1270 is perpendicular to the operation shaft 1131, the planes of the turntable locking arms 1273-74 are parallel to the plane of the turntable main plate 1270, and the turntable locking arms 1273-74 are preferably coplanar with the turntable main plate 1270. Further, the rotary table locking arm 1273-74 includes a locking arm engaging portion, which has a rectangular plate structure, one right-angle side of which is connected to the rotary table main board 1270, the other right-angle side of which is in limit engagement with the locking portion locking surface 1223-0, and the inclined surface of which is engaged with the locking portion guiding surface 1223-1. Further, the dial lock arm 1273-74 includes a dial lock arm engagement surface 1273 and a dial lock arm locking surface 1274, the dial lock arm engagement surface 1273 being a chamfer bevel to engage the lock portion guide bevel 1223-1, the dial lock arm locking surface 1274 engaging the lock portion locking surface 1223-0.

Preferably, as shown in FIGS. 7 and 20-21, the latch guide surface 1223-1 is a ramp that slopes from an end near the pivoting end of the latch toward a direction away from the latch main plate 1222.

As another example, the latch member locking portion 1223 does not have a locking portion guiding surface 1223-1, the dial locking arms 1273-74 have a locking arm guiding surface, and when the dial 127 is rotated from the energy releasing position to the energy storing position, the locking arm guiding surface presses the free end of the latch member locking portion 1223, so that the latch member 122 is rotated in the first direction to avoid the dial locking arms 1273-74.

As shown in fig. 20-21, the catch member 122 is preferably of unitary construction.

As shown in fig. 4-7 and 10-11, the locking mechanism further includes a latch return element 123, and the latch return element 123 applies a force to the latch 122 to rotate the latch 122 in the second direction to return.

The latch main board 1222 includes a latch reset portion 1222-1 for cooperating with the latch reset element 123, the latch reset portion 1222-1 is acted by the latch reset element 123 to rotate the latch 122 in the locking direction, and the latch driven portion 1221 is acted by an external force to rotate the latch 122 in the unlocking direction, wherein the locking direction and the unlocking direction are opposite to each other. Further, as shown in fig. 21, the locking direction is counterclockwise, and the unlocking direction is clockwise.

As shown in fig. 20-21, the latch return portion 1222-1 is disposed on a portion of the latch other than the latch pivot end of the latch. Further, the latch reset portion 1222-1 is a main board limit slot provided on the latch main board 1222, and the main board limit slot and the latch locking portion 1223 are respectively located on a pair of side edges of the latch main board 1222. Further, as shown in fig. 20-21, the main board limiting groove and the locking member locking portion 1223 are respectively provided on the upper and lower side edges of the locker main board 1222.

As other embodiments, the latch reset portion 1222-1 is a hole provided on the latch main plate 1222, or a rib provided on one or both sides of the latch main plate 1222.

As shown in fig. 4-7 and 10-11, the latch return element 123 is a tension spring, one end of which is connected to the housing partition 102 of the device housing, and the other end of which is connected to the latch 122. Further, the latch 122 further includes a main board limiting slot 1222-1 disposed on the main board 1222 of the latch, and one end of the tension spring is hung in the main board limiting slot 1222-1; the main board limiting groove 1222-1 and the latch locking portion 1223 are disposed on a pair of opposite side edges of the latch main board 1222, respectively.

As another embodiment, the latch reset element 123 may be a torsion spring, which is sleeved on a rotating shaft (for example, the latch shaft 125) of the latch 122, and has one end fixed on the housing partition 102 and the other end matched with the latch main board 1222.

As shown in fig. 20-21, the latch main board 1222 includes a main board first section, a main board second section, and a main board third section that are sequentially connected and coplanar, wherein one end of the main board first section is a latch pivoting end, the other end of the main board first section is connected to one end of the main board second section, the other end of the main board second section is connected to one end of the main board third section, and the other end of the main board third section is connected to the latch passive part 1221 in a bending manner; the width of the first section of the main board is greater than that of the second section of the main board, one side edges of the first section of the main board and the second section of the main board are flush, the other side edge of the first section of the main board and the locking part 1223 of the locking piece are protruded on the other side edge of the second section of the main board, and the third section of the main board is offset towards the side where the locking part 1223 of the locking piece is located relative to the second section of the main board. Further, a first avoidance groove is formed between the first section of the main board and the locking part 1223 of the locking piece, and the turntable locking arms 1273-74 of the turntable 127 are matched with the locking part 1223 of the locking piece after being first in the first avoidance groove; a second avoidance groove is formed between the third section of the main board and the locking part 1223 of the locking piece, and the turntable locking arms 1273-74 enter the second avoidance groove after passing over the locking part 1223 of the locking piece. Specifically, as shown in the direction of fig. 20-21, the upper side edges of the first section of the main board and the second section of the main board are flush, and the lower side edge of the first section of the main board and the locking part 1223 of the locking piece protrude below the lower side edge of the second section of the main board; the third section of the main board is offset downward integrally with respect to the second section of the main board.

As shown in fig. 22-26, is an embodiment of a switching unit of the switch body 2.

As shown in fig. 22-23, the switch unit includes a unit housing 221, and a moving contact assembly 225, a moving contact rotating shaft 222 and a fixed contact 223 disposed in the unit housing 221, wherein the moving contact assembly 225 includes a contact support and a moving contact disposed on the contact support, the contact support is rotatably disposed in the unit housing 221 through the moving contact rotating shaft 222, and two groups of fixed contacts 223 are disposed at both radial sides of the moving contact assembly 225 and are respectively engaged with both ends of the moving contact. Further, the switch unit further includes arc extinguishing chambers 224, and the two arc extinguishing chambers 224 are respectively disposed at two radial sides of the moving contact 225 and respectively cooperate with the two groups of fixed contacts 223.

In the switch body 2, the moving contact rotating shafts 222 of the adjacent switch units are connected with each other and are synchronously rotated, so as to realize the linkage of each switch unit.

As shown in fig. 22-23, the contact support middle part is provided with a support shaft hole; as shown in fig. 25-26, the moving contact rotating shaft 222 includes a rotating shaft base 2221-22 and a rotating shaft upright post 2223-24, the moving contact rotating shaft 222 is rotatably disposed in the unit housing 221 through the rotating shaft base 2221-22, and the moving contact rotating shaft 222 are synchronously rotated through inserting the rotating shaft upright post 2223-24 in the supporting shaft hole and limiting the rotating shaft.

As shown in fig. 25-26, the rotating shaft upright 2223-24 includes a rotating shaft upright lower section 2223 and a rotating shaft upright upper section 2224, wherein one end of the rotating shaft upright lower section 2223 is connected with the rotating shaft base 2221-22, and the other end is connected with the rotating shaft upright upper section 2224; the lower section 2223 of the rotating shaft column is inserted into the supporting shaft hole of the contact support, and the upper section 2224 of the rotating shaft column and the rotating shaft bases 2221-22 are respectively positioned at two sides of the contact support. Further, the lower section 2223 of the rotating shaft upright post and the upper section 2224 of the rotating shaft upright post are coaxially arranged and are both regular quadrilateral columns, and the width of the lower section 2223 of the rotating shaft upright post is larger than that of the upper section 2224 of the rotating shaft upright post.

As shown in fig. 25-26, the rotating shaft base 2221-22 includes a rotating shaft base upper section 2222 and a rotating shaft base lower section 2221, one end of the rotating shaft base upper section 2222 is connected with the rotating shaft upright post 2223-24, the other end is connected with the rotating shaft base lower section 2221, the rotating shaft base upper section 2222 and the rotating shaft base lower section 2221 are two cylinders coaxially arranged, and the outer diameter of the rotating shaft base upper section 2222 is larger than the outer diameter of the rotating shaft base lower section 2221.

As shown in fig. 24, the bottom wall of the unit housing 221 is provided with a unit housing shaft hole 2211 and a unit housing counterbore 2212 which are communicated with each other, the inside diameter of the unit housing counterbore 2212 is larger than the inside diameter of the unit housing shaft hole 2211, the inside diameter of the unit housing counterbore 2212 is matched with the outside diameter of the upper section 2222 of the rotating shaft base, and the inside diameter of the unit housing shaft hole 2211 is matched with the outside diameter of the lower section 2221 of the rotating shaft base; the lower section 2221 of the rotating shaft base passes through the counter bore 2212 of the unit housing and then is rotatably arranged in the shaft hole 2211 of the unit housing, and the upper section 2222 of the rotating shaft base is rotatably arranged in the counter bore 2212 of the unit housing.

As shown in fig. 25-26, a spindle base connection hole 2226 is provided in the middle of the spindle base 2221-22; in the switch body 2, the free ends of the rotating shaft upright posts 2223-24 of two adjacent moving contact rotating shafts 222, one moving contact rotating shaft 222, are inserted into the rotating shaft base connecting hole 2226 of the other moving contact rotating shaft 222 to realize synchronous rotation of the two moving contact rotating shafts, and the free ends of the rotating shaft upright posts 2223-24 of the moving contact rotating shaft 222 are inserted into the driving part connecting hole 1114 of the output shaft 111 of the real-time energy storage mechanism to realize synchronous rotation of the moving contact rotating shaft 222 and the output shaft 111 of the switch unit adjacent to the operating device 1.

As shown in fig. 26, the bottom wall of the rotating shaft base connecting hole 2226 is provided with a first blind hole 2227, and the middle part of the rotating shaft upright post upper section 2222 of the rotating shaft upright posts 2221-22 is provided with a second blind hole 2228; the switch unit further comprises a polygonal metal connecting shaft, wherein the cross section shape of the polygonal metal connecting shaft is matched with the cross section shape of the first blind hole 2227 and the second blind hole 2228; two adjacent movable contact rotating shafts 222 are connected through a polygonal metal connecting shaft, one end of the metal connecting shaft is inserted into a first blind hole 2227 of one movable contact rotating shaft 222 to be in limit fit with the first blind hole, and the other end of the metal connecting shaft is inserted into a second blind hole 2228 of the other movable contact rotating shaft 222 to be in limit fit with the second blind hole, so that the rotation synchronism of the adjacent movable contact rotating shafts 222 is improved. The polygonal metal connecting shaft can be a regular polygonal metal cylinder or an irregular metal cylinder.

As shown in fig. 26, the first blind hole 2227 is located in the middle of the upper section 2224 of the shaft upright, the second blind hole 2228 is located in the middle of the lower section 2223 of the shaft upright, and a partition is provided therebetween.

As shown in fig. 24, a unit housing slot 2214 for assembling the arc striking structure is further provided on the bottom wall of the unit housing 221, and the unit housing slot 2214 is located outside the unit housing counterbore 2212.

As shown in fig. 24, the unit case 221 is further provided with unit case perforations 2215, and a screw 3 passes through each unit case perforation 2215 to connect each unit case 221 together. Further, the unit case 221 is provided with two unit case perforations 2215, which are respectively disposed at both radial sides of the unit case counterbore 2212.

As shown in fig. 3, in the switch body 2, the unit housings 221 of the switch units are provided with exhaust ports corresponding to the arc extinguishing chambers 224, and the exhaust ports of adjacent unit housings 221 are staggered; in the switch body 2, the switch units are divided into three types, namely, a first intermediate switch unit 22, a second intermediate switch unit 23 and a tail switch unit 21, and the first intermediate switch unit 22 and the second intermediate switch unit 23 are alternately arranged, and the difference between them is that: the exhaust port arrangement positions of the unit housing 221 are different, the layout of each component in the unit housing 221 is adjusted accordingly, the tail end switch unit 21 is located at one end of the switch body 2 away from the operating device 1, and the unit housing shaft hole 2211 of the unit housing 221 of the tail end switch unit 21 is a blind hole.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.

Claims (10)

1. The energy storage structure comprises an operation shaft (1131) and a time-delay energy storage mechanism, wherein the operation shaft (1131) rotates from a brake separating position to a brake closing position to drive the energy storage structure to switch from a brake separating state to a brake closing state, and simultaneously drives the time-delay energy storage mechanism to switch from an energy releasing state to an energy storage state; the delay energy storage mechanism is in an energy storage state, and an operating shaft (1131) rotates freely between a switching-off position and a switching-on position; the method is characterized in that: in a closing state of the energy storage structure, the energy storage mechanism releases energy to drive the operation shaft (1131) to rotate, and then the operation shaft (1131) drives the energy storage structure to switch to a separating state.

2. The energy storage structure of claim 1, wherein: the time-delay energy storage mechanism comprises a rotary table (127) and a first energy storage spring (126), the rotary table (127) is driven by an operation shaft (1131) to rotate from an energy release position to an energy storage position so as to enable the first energy storage spring (126) to store energy, and the rotary table (127) is locked so as to enable the time-delay energy storage mechanism to be kept in an energy storage state;

under the closing state of the energy storage structure, a brake opening idle stroke exists between the rotary table (127) and the operation shaft (1131), the operation shaft (1131) is driven by external force to rotate from a closing position to a brake opening position, so that the energy storage structure is switched to the brake opening state, and meanwhile, the energy storage structure walks through the brake opening idle stroke relative to the rotary table (127).

3. The energy storage structure of claim 2, wherein: the rotary table (127) is coaxially arranged with the operation shaft (1131), the rotary table (127) comprises a rotary table main plate (1270), the rotary table main plate (1270) is provided with a rotary table shaft hole (1271) and at least one rotary table driven hole (1276), the rotary table (127) is rotationally sleeved on the operation shaft (1131) through the rotary table shaft hole (1271), and the rotary table driven hole (1276) comprises a first face (12761) and a second face (12762);

the time-delay energy storage mechanism comprises a driving finger fixedly arranged on an operation shaft (1131), and the driving finger is arranged in a driven hole (1276) of the turntable;

The driving finger presses the first surface (12761) to enable the turntable (127) to rotate towards the energy storage position;

when the operation shaft (1131) is positioned at the closing position, a separating gate idle stroke exists between the second surface (12762) and the driving finger, and when the energy storage mechanism releases energy, the first energy storage spring (126) releases energy to drive the rotary table (127) to rotate, and the first surface (12761) is matched with the driving finger to drive the operation shaft (1131) to rotate towards the separating gate position.

4. A power storage structure according to claim 3, wherein: the rotary table driven hole (1276) is a sector hole concentric with the rotary table shaft hole (1271), and a first surface (12761) and a second surface (12762) are respectively arranged at two ends of the sector hole in the circumferential direction; the turntable (127) comprises two sector holes which are symmetrically arranged at the two radial sides of the turntable shaft hole (1271); the time-delay energy storage mechanism further comprises a driving key (128), the driving key (128) is inserted onto the operation shaft (1131) along the radial direction, two ends of the driving key (128) respectively protrude out of two radial sides of the operation shaft (1131) to serve as driving fingers, and the driving fingers are respectively arranged in the two sector holes.

5. The energy storage structure of claim 4, wherein: the radially inner end of the sector aperture communicates with a carousel shaft aperture (1271).

6. The energy storage structure of claim 2, wherein: the first energy storage spring (126) is a torsion spring rotationally sleeved on the operation shaft (1131), the first energy storage spring (126), the rotary table (127) and the operation shaft (1131) are coaxially arranged, and two ends of the first energy storage spring (126) are respectively a first spring fixed end (1261) fixedly arranged and a first spring driven end (1262) matched with the rotary table (127).

7. The energy storage structure of claim 6, wherein: the time-delay energy storage mechanism further comprises a first bushing (124), wherein the first bushing (124) is rotatably sleeved on the operation shaft (1131) and is inserted between the first energy storage spring (126) and the operation shaft (1131).

8. The energy storage structure of claim 7, wherein: the energy storage structure also comprises a device shell, wherein the device shell comprises a shell upper cover (103) and a shell partition plate (102) which are buckled together, and the time-delay energy storage mechanism also comprises a gasket (121); the first bushing (124) comprises a first bushing head (1242) and a first bushing body (1241) which are coaxially arranged and connected with each other, the outer diameter of the first bushing head (1242) is larger than that of the first bushing body (1241) and larger than that of a first spring spiral body of the first energy storage spring (126), the first bushing body (1241) is inserted between the first spring spiral body and the operation shaft (1131), the first energy storage spring (126), the rotary disc (127) and the gasket (121) are sequentially arranged between the shell upper cover (103) and the shell partition plate (102), the first spring spiral body is located between the first bushing head (1242) and the rotary disc (127), the first bushing head (1242) is matched with the shell upper cover (103), the gasket (121) is arranged on the shell partition plate (102), and the rotary disc (127) is rotationally arranged on the gasket (121).

9. The energy storage structure of claim 8, wherein: one end of the first bushing body (1241) is connected with the first bushing head (1242), a plurality of sliding protrusions (1245) are arranged at the other end of the first bushing body, and the sliding protrusions (1245) are propped against the rotary disc (127);

the turntable (127) further comprises a turntable engagement arm (1275-77) and a turntable locking arm (1273-74), the first spring powered end (1262) engaging the turntable engagement arm (1275-77), the turntable locking arm (1273-74) being for locking the turntable (127) in the stored energy position;

the turntable matching arms (1275-77) are connected with the turntable main board in a bending way, and the turntable locking arms (1273-74) are coplanar with the turntable main board (1270).

10. A rotary switch, characterized in that it comprises an energy storage structure according to any one of claims 1-9.