Operating device and switching device

Abstract

The invention relates to the field of low-voltage electric appliances, in particular to an operating device and a switching device comprising the operating device. In the operating device, a rotating shaft, a connecting rod and a driving shaft are coaxially and rotationally arranged around the axis s-s; when the operating device is in a closing / opening state, the rotating shaft is at the first / second position and the connecting rod is at the third / fourth position; the rotating shaft rotates from the first position or the second position to the middle position, so that the energy storage structure stores energy, the connecting rod is kept static in the energy storage process, the energy storage structure stores the maximum energy when the rotating shaft is in the middle position, and the energy storage structure releases energy to drive the rotating shaft and the connecting rod to rotate relatively after rotating through the middle position; the driving shaft and the connecting rod rotate synchronously and are in transmission connection with the main contact support so as to drive the main contact support to move linearly in the extending direction of the axis s-s. The operating device is simple in structure, the rotation angle of the connecting rod is increased, the space required by the main contact support action is reduced, and when the operating device is applied to a switching device, the electrical performance of the switching device can be improved, and the specification size of the switching device can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of low-voltage electrical apparatus, in particular to an operating device and a switching device comprising the operating device. BACKGROUND

[0002] The switching device for closing and opening of an electric circuit comprises an operating device and at least one set of contact systems, the operating device comprising an operating mechanism and a contact support in transmission connection with the operating mechanism, the contact support carrying a moving contact of the contact system, the operating mechanism driving the contact support to drive the moving contact to close and open with a stationary contact of the contact system; the electrical performance of the switching device is closely related to the opening distance after the moving contact and the stationary contact are disconnected.

[0003] The operating mechanism of the existing switching device has a storage spring fixed at one end and an active end connected with a main shaft to complete energy storage and release, the storage spring drives the main shaft to rotate when releasing energy, and the main shaft drives the moving contact structure to rotate through an output shaft, which limits the rotation angle of the output shaft and cannot further increase the opening distance after the moving contact structure and the stationary contact structure are disconnected, affecting the improvement of the electrical performance of the switching device, and the overall space occupation is large; moreover, the moving contact is usually closed and opened with the stationary contact by rotation, which requires a large action space. In addition, the existing switching device is also provided with an arc extinguishing chamber for extinguishing arc, but the effect of driving the arc into the arc extinguishing chamber by the contact system is not good. In addition, the existing switching device is also provided with an auxiliary module, and the structure and transmission relationship of the driving auxiliary module of the switching device for switching the working state are complex and have poor reliability. In addition, the existing switching device lacks a structure for judging the current position of the moving contact, and when the moving contact and the stationary contact fail to disconnect (for example, the moving contact and the stationary contact are welded and cannot be disconnected), it is easy to cause the operator to misjudge, threatening the personal safety of the operator. SUMMARY

[0004] The present application aims to overcome at least one of the defects of the prior art, and provide an operating device and a switching device comprising the operating device, which has a simple structure, increases the rotation angle of the connecting rod and reduces the space required for the action of the main contact support, and when applied to the switching device, it can not only improve its electrical performance, but also reduce its size.

[0005] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] An operating device has a closed state and an open state, and comprises an operating mechanism and a main contact support; the operating mechanism comprises a rotating shaft, a connecting rod and a driving shaft which are coaxially arranged along an axis s, and an energy storage structure; the rotating shaft has a first position, an intermediate position and a second position which are arranged along a rotating direction of the rotating shaft in sequence, and the connecting rod has a third position and a fourth position which are arranged along a rotating direction of the connecting rod in sequence; in the closed state, the rotating shaft is at the first position and the connecting rod is at the third position; in the open state, the rotating shaft is at the second position and the connecting rod is at the fourth position; the rotating shaft is driven by an external force to rotate from the first position or the second position to the intermediate position, so that the energy storage structure stores energy and the connecting rod remains stationary during the energy storage of the energy storage structure; the energy storage structure stores the maximum energy when the rotating shaft is at the intermediate position; after the rotating shaft rotates past the intermediate position, the energy storage structure releases energy to drive the relative rotation of the rotating shaft and the connecting rod.

[0007] The driving shaft is synchronously arranged with the connecting rod and is connected with the main contact support in transmission to drive the linear movement of the main contact support along the extension direction of the axis s.

[0008] Further, the rotating shaft is limited by the housing of the operating device at the first position and the second position respectively, so that the rotating shaft remains at the corresponding position; and / or the connecting rod is limited by the housing of the operating device at the third position and the fourth position respectively, so that the connecting rod remains at the corresponding position.

[0009] Further, the rotating shaft is limited by the connecting rod or the driving shaft at the closed state and the open state of the operating device, so as to prevent the relative rotation of the rotating shaft and the connecting rod.

[0010] Further, the operating device comprises at least one set of first positioning structures, the first positioning structures comprise two first positioning surfaces and two first blocking surfaces, one of the first positioning surfaces and the first blocking surfaces is arranged on the rotating shaft and the other is arranged on the housing of the operating device, the two first positioning surfaces are sequentially arranged around the axis s and are respectively a first closed positioning surface and a first open positioning surface, and the two first blocking surfaces are sequentially arranged around the axis s and are respectively a first closed blocking surface and a first open blocking surface; the first closed positioning surface is limited by the first closed blocking surface when the rotating shaft is at the first position, and the first open positioning surface is limited by the first open blocking surface when the rotating shaft is at the second position.

[0011] Further, the rotating shaft comprises a rotating shaft body which is arranged to rotate around the axis s, and at least one set of first positioning parts which are arranged on the circumferential side wall of the rotating shaft body, the first positioning part comprises two first positioning surfaces which are arranged on the two sides thereof respectively; the housing of the operating device comprises a housing shaft hole for inserting the rotating shaft, and at least one set of housing positioning grooves are arranged on the side wall of the housing shaft hole, one first blocking surface is arranged at each end of the housing positioning groove, the first positioning part is one-to-one matched with the housing positioning groove, and the first positioning part is movably inserted into the housing positioning groove.

[0012] Further, the pair of side walls of the housing of the operating device are respectively located on two sides of the connecting rod and are respectively a first positioning side wall and a second positioning side wall; at least one of the two ends of the connecting rod is in limiting cooperation with the first positioning side wall and the second positioning side wall respectively when the connecting rod is in the third position and the fourth position.

[0013] Further, the operating device comprises at least one set of second positioning structures, the second positioning structures comprising two second positioning surfaces and two second blocking surfaces, one of the second positioning surfaces and the second blocking surfaces being arranged on the rotating shaft and the other being arranged on the connecting rod, the two second positioning surfaces being arranged in sequence around the axis s-s and being respectively a second closing positioning surface and a second opening positioning surface, the two second blocking surfaces being arranged in sequence around the axis s-s and being respectively a second closing blocking surface and a second opening blocking surface, the second closing positioning surface being in limiting cooperation with the second closing blocking surface when the operating device is in the closing state, and the second opening positioning surface being in limiting cooperation with the second opening blocking surface when the operating device is in the opening state.

[0014] Further, the connecting rod comprises a connecting rod bearing portion, the connecting rod bearing portion comprising a bearing portion second side plate, a second connecting rod shaft hole for inserting the rotating shaft being arranged in the middle of the bearing portion second side plate, a pair of connecting rod blocks being arranged on the side wall of the second connecting rod shaft hole, and each of the two connecting rod blocks being provided with a second blocking surface; the rotating shaft comprises a rotating shaft shaft body and at least one set of second positioning portions, the second positioning portions being movably inserted between the two connecting rod blocks and comprising two second positioning surfaces arranged respectively on the two sides thereof.

[0015] Further, the energy storage structure is arranged between the rotating shaft and the connecting rod.

[0016] Further, the energy storage structure comprises at least one energy storage spring, the two ends of the energy storage spring being respectively in transmission connection with the rotating shaft and the connecting rod; the energy storage spring has a dead point position, and the rotating shaft is rotated from the first position or the second position to the intermediate position to make the energy storage spring act to the dead point position and the energy storage is maximum.

[0017] Further, the energy storage spring is a linear compression spring, and the geometric axis of the linear compression spring intersects with the axis s-s and is coplanar with the axis s-s when the energy storage spring is at the dead point position.

[0018] Further, the energy storage structure comprises two energy storage springs, and the two energy storage springs are arranged on the two radial sides of the rotating shaft.

[0019] Further, the connecting rod comprises a connecting rod bearing part, the connecting rod bearing part comprises two bearing part connecting bridges, and the two bearing part connecting bridges are respectively located on the two radial sides of the rotating shaft; the rotating shaft comprises a rotating shaft main body arranged to rotate around the axis s and two rotating shaft mounting seats, and the two rotating shaft mounting seats are arranged on the circumferential side of the rotating shaft main body and located on the two radial sides of the rotating shaft main body; the two energy storage springs are respectively arranged on the two radial sides of the rotating shaft, and the two ends of each energy storage spring are respectively rotationally connected with the corresponding bearing part connecting bridge and the rotating shaft mounting seat.

[0020] Further, the rotating angle of the rotating shaft when switching between the first position and the second position is 90°, and the rotating angle of the rotating shaft when switching from the first position or the second position to the intermediate position is 70°-80°; and / or, the rotating angle of the connecting rod when switching between the third position and the fourth position is 45°-90°.

[0021] Further, the connecting rod and the driving shaft are of an integrated or split structure.

[0022] Further, the connecting rod and the driving shaft are of a split structure; the connecting rod comprises a connecting rod connecting part 2b, and the connecting rod connecting part and the driving shaft are oppositely inserted and fitted along the extension direction of the axis s.

[0023] Further, the connecting rod connecting part further comprises at least one set of connecting rod claws arranged on the circumferential side of the connecting rod connecting part; the driving shaft comprises a driving shaft driving part connected with the driving of the active contact mechanism, and the driving shaft driving part comprises a driving shaft second insertion hole, and at least one set of driving shaft connecting grooves are arranged on the side wall of the driving shaft second insertion hole; the connecting rod connecting part is inserted into the driving shaft second insertion hole, the connecting rod claws are inserted into the driving shaft connecting grooves and are in interference fit with the driving shaft connecting grooves.

[0024] Further, the connecting rod connecting part is of a cylindrical structure; the driving shaft driving part comprises a driving shaft first insertion hole, a driving shaft partition wall and a driving shaft second insertion hole which are coaxially arranged from inside to outside in sequence, the driving shaft first insertion hole is a cylindrical insertion hole, the driving shaft partition wall is of a cylindrical structure, and the driving shaft second insertion hole is an annular insertion hole; the connecting rod connecting part is inserted into the driving shaft second insertion hole, the driving shaft partition wall is inserted into the connecting rod connecting part, and the rotating shaft is rotationally inserted into the driving shaft first insertion hole.

[0025] Further, the drive shaft further comprises two groups of drive shaft bearing portions respectively arranged on the two radial sides of the drive shaft driving portion and located at one axial end of the drive shaft driving portion, the drive shaft bearing portion comprises a drive shaft bearing plate and two drive shaft stop plates oppositely arranged on one side of the drive shaft bearing plate, and the plane of the drive shaft bearing plate is perpendicular to the axis s-s; the connecting rod further comprises a connecting rod bearing portion, the connecting rod bearing portion comprises a bearing portion second side plate, the plane of the bearing portion second side plate is perpendicular to the axis s-s, the connecting rod connecting portion is connected with the bearing portion second side plate, the two ends of the bearing portion second side plate are respectively matched with the two drive shaft bearing portions, each end of the bearing portion second side plate is stacked along the axis s-s with the corresponding drive shaft bearing plate, and is located between the two corresponding drive shaft stop plates and is limitedly matched with the two corresponding drive shaft stop plates.

[0026] Further, the connecting rod is matched with a pair of side walls of the housing of the operating device at the third position and the fourth position.

[0027] Further, the drive shaft comprises a drive shaft driving portion coaxially and synchronously rotating with the connecting rod, the drive shaft driving portion is connected with the main contact support through at least one group of first transmission structures, the first transmission structure comprises a drive groove and a transmission portion, the drive groove is a spiral groove and its axis coincides with the axis s-s, and the transmission portion is movably arranged in the drive groove, and one of the drive groove and the transmission portion is arranged on the drive shaft and the other is arranged on the main contact support.

[0028] Further, in the first transmission structure, the drive groove is arranged on the circumferential side surface of the drive shaft driving portion, and the transmission portion is arranged on the main contact support.

[0029] Further, the main contact support comprises a support driven portion, two groups of support driven portions are oppositely arranged and respectively located on the two radial sides of the drive shaft driving portion, and the drive shaft driving portion is connected with the two groups of support driven portions through the two groups of first transmission structures.

[0030] Further, the main contact support further comprises a switching indication structure, the housing of the operating device is provided with an indication window, and the switching indication structure is matched with the indication window to indicate the current position of the main contact support.

[0031] Further, the rotating shaft, the connecting rod, the drive shaft and the main contact support are sequentially arranged along the extension direction of the axis s-s.

[0032] The connecting rod is in T-shaped structure as a whole and comprises a connecting rod bearing part and a connecting rod connecting part, the connecting rod bearing part is arranged in cross with the axis s; the connecting rod bearing part comprises a bearing part first side plate, a bearing part second side plate and a bearing part connecting bridge, the bearing part first side plate and the bearing part second side plate are oppositely arranged along the extension direction of the axis s, the two ends of the bearing part first side plate and the bearing part second side plate are connected by a group of bearing part connecting bridges respectively, and the two groups of bearing part connecting bridges are located on the two sides of the radial direction of the rotating shaft respectively; the energy storage structure comprises two groups of energy storage springs arranged on the two sides of the radial direction of the rotating shaft respectively, and the two ends of each energy storage spring are connected with the rotating shaft and the corresponding bearing part connecting bridge in transmission respectively.

[0033] The driving shaft comprises a driving shaft bearing part and a driving shaft driving part, and two groups of driving shaft bearing parts are arranged on the two sides of the radial direction of the axial one end of the driving shaft driving part; the two ends of the bearing part second side plate are limited and matched with the two groups of driving shaft bearing parts to prevent the relative rotation of the connecting rod and the driving shaft; the connecting rod connecting part is inserted in the middle part of the driving shaft driving part and is limited and matched with the driving shaft driving part to prevent the relative rotation of the connecting rod 2 and the driving shaft.

[0034] The rotating shaft is arranged in cross with the connecting rod bearing part, one end of the rotating shaft passes through the middle parts of the bearing part first side plate and the bearing part second side plate in sequence and is rotatably inserted in the middle part of the driving shaft driving part.

[0035] The main contact support comprises a support driven part and at least one group of support bearing parts, the two groups of support driven parts are arranged on the two sides of the radial direction of the driving shaft driving part and are connected with the driving shaft driving part in transmission, and the support bearing parts are connected with the support driven parts and are used for bearing the movable contact.

[0036] A switch device comprises a switch body; the switch body comprises the operating device; the switch body further comprises at least one group of contact systems, the contact system comprises a movable contact borne on a main contact support and a static contact used in cooperation with the movable contact, and the two groups of static contacts are arranged on the two sides of the main movable contact mechanism respectively.

[0037] Further, the switch body further comprises an arc-extinguishing chamber used in one-to-one cooperation with the static contact, each arc-extinguishing chamber is arranged between the movable contact and the corresponding static contact; the arc-extinguishing chamber comprises at least two arc-extinguishing grid pieces arranged side by side and spaced apart along the extension direction of the axis s; the static contact comprises a static contact knife and a static terminal board, the static terminal board is located on one side of the corresponding arc-extinguishing chamber in the extension direction of the axis s and is arranged side by side and spaced apart with the corresponding arc-extinguishing grid piece along the extension direction of the axis s, one end of the static contact knife is connected with the static terminal board by vertical bending, and the other end extends to the arc entrance of the arc-extinguishing chamber.

[0038] Further, the switch device further comprises an auxiliary module arranged side by side with the switch body, the auxiliary module comprising an auxiliary trigger rod, the auxiliary trigger rod being connected with the main contact support transmission and arranged to move synchronously; when the switch device switches between the closed state and the open state, the main contact support drives the auxiliary module to switch the working state through the auxiliary trigger rod.

[0039] Further, the rotation shaft, the connecting rod, the driving shaft and the main contact support are arranged in sequence along the height direction d3 of the switch device, the auxiliary module is arranged side by side with the switch body along the width direction d2 of the switch device, and the two static contacts of the contact system are arranged side by side along the length direction d1 of the switch device and located on both sides of the main contact support.

[0040] The operating device of the present application has a simple operating mechanism structure, when switching between the closed state and the open state, the rotation shaft drives the energy storage structure to store energy first, after the rotation shaft rotates through the intermediate position, the energy storage structure releases energy to drive the rotation shaft and the connecting rod to rotate in opposite directions to switch the working positions respectively, the moving contact and the static contact can be quickly disconnected and closed through the main contact support, the possibility of arc generated when the moving contact and the static contact are closed and disconnected is eliminated or significantly reduced; moreover, compared with the existing mode of directly driving the main contact support through the rotation shaft, the operating mechanism can significantly increase the rotation angle of the connecting rod in the limited space, thereby increasing the movement of the main contact support driven by the transmission cooperation, increasing the opening distance of the moving contact and the static contact, having good action performance, and making the structure of the operating mechanism more compact and smaller in size; moreover, the connecting rod drives the main contact support to move linearly through the driving shaft, which is conducive to reducing the space required for the action of the main contact support.

[0041] In addition, the static contact has an L-shaped structure, the electromagnetic force at the bending connection between the static contact wire plate and the static contact blade drives the static contact and the moving contact to move the arc generated during disconnection into the arc extinguishing chamber, ensuring that the arc is completely or mostly extinguished in the arc extinguishing chamber, and preventing the arc from moving to the operating mechanism.

[0042] In addition, the transmission mode and structure of the auxiliary module and the main moving contact mechanism are simple and reliable, which ensures the reliable work of the auxiliary module.

[0043] In addition, the opening and closing indication structure cooperates with the indication window, which is conducive to the judgment of the current position of the main contact support by the operator, so as to judge whether the moving contact and the static contact of the moving contact mechanism are disconnected, and the safety of electricity use is improved. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 is a side projection view of the switch device of the present application, showing the indication window;

[0045] Figure 2 is a partial sectional view of the switch device of the present application;

[0046] Figure 3 is a partial enlarged structural diagram of the I part of the present application Figure 2 ;

[0047] Figure 4 is another partial sectional view of the switch device of the present application, showing the cooperation of the connecting rod and the main body shell;

[0048] Figure 5 is a third partial sectional view of the switch device of the present application, showing the cooperation of the driving shaft and the main body shell;

[0049] Figure 6 is a structural diagram of the switch device of the present application with the upper cover removed;

[0050] Figure 7 is a structural diagram of the contact system of the switch main body of the present application;

[0051] Figure 8 is an exploded view of the operating mechanism of the present application;

[0052] Figure 9 is a structural diagram of the rotating shaft of the present application;

[0053] Figure 10 is a structural diagram of the connecting rod of the present application;

[0054] Figure 11 is a structural diagram of the driving shaft of the present application from one perspective;

[0055] Figure 12 is a structural diagram of the driving shaft of the present application from another perspective;

[0056] Figure 13 is a structural diagram of the main active contact mechanism of the present application from one perspective;

[0057] Figure 14 is a structural diagram of the main active contact mechanism of the present application from another perspective;

[0058] Figure 15 is a structural diagram of the main contact support of the present application;

[0059] Figure 16 is a partial enlarged structural diagram of the II part of the present application Figure 15 ;

[0060] Figure 17 is an exploded view of the moving contact of the present application;

[0061] Figure 18 is a structural diagram of the main stationary contact mechanism of the present application;

[0062] Figure 19is a structural schematic view of the main contact assembly of the present application;

[0063] Figure 20 is a structural schematic view of the contact of the present application;

[0064] Figure 21 is a structural schematic view of the arc extinguishing grid of the present application;

[0065] Figure 22 is a structural schematic view of the upper cover of the present application;

[0066] Figure 23 is a structural schematic view of the base of the present application;

[0067] Figure 24 is a structural schematic view of the contact system and the base in the assembled state of the present application;

[0068] Figure 25 is a structural schematic view of the auxiliary module of the present application;

[0069] Figure 26 is an exploded view of the auxiliary module of the present application;

[0070] Figure 27 is a structural schematic view of the auxiliary contact system of the present application;

[0071] Figure 28 is a structural schematic view of the auxiliary trigger rod of the present application.

[0072] BRIEF DESCRIPTION OF THE DRAWINGS

[0073] Switch main body z;

[0074] Main body shell h, upper cover h-1, indicating window h-10, shell positioning groove h-11, shell positioning surface h-12, upper cover partition h-13, upper cover pin h-14, upper cover terminal groove h-15, shell shaft hole h-16, base h-2, main guide groove h-20, stop surface h-21, base terminal partition h-22, base main insertion hole h-220, auxiliary guide groove h-24, base terminal groove h-25, base auxiliary insertion hole h-26, exhaust hole h-27, contact cavity h-28;

[0075] Operating mechanism m, rotating shaft 1, rotating shaft body 1-0, rotating shaft insertion hole 1-00, first positioning part 1-1, rotating shaft mounting seat 1-2, second positioning part 1-3, connecting rod 2, connecting rod bearing part 2a, bearing part first side plate 2-0a, bearing part second side plate 2-1a, second connecting rod shaft hole 2-10a, connecting rod stop block 2-11a, bearing part connecting bridge 2-2a, connecting rod mounting seat 2-3a, connecting rod connecting part 2b, connecting rod sleeve 2-0b, connecting rod claw 2-1b, energy storage structure 3, energy storage spring 3-0, drive shaft 4, drive bearing bearing part 4a, drive bearing bearing plate 4-0a, drive shaft baffle 4-1a, drive shaft drive part 4b, drive shaft first insertion hole 4-0b, drive shaft partition wall 4-1b, drive shaft second insertion hole 4-2b, drive shaft connecting groove 4-3b, drive groove 4-4b;

[0076] Main contact system c, active contact mechanism 5, main contact support 5-0, support driven part 5-00, transmission part 5-000, transmission arm 5-001, main guide rail 5-0010, stop 5-0011, support linkage hole 5-0012, opening and closing indicator structure 5-0013, support bearing part 5-01, contact insertion hole 5-010, contact partition wall 5-011, contact positioning platform 5-013, support spring positioning platform 5-014, auxiliary guide rail 5-02, moving contact 5 -1, Moving contact plate 5-10, Moving contact plate positioning hole 5-100, Moving contact plate positioning platform 5-101, Magnetic guide plate 5-11, Magnetic guide plate limiting hole 5-110, Contact spring 5-2, Main stationary contact mechanism 6, Main stationary contact assembly 6-0, Stationary contact 6-00, Stationary contact blade 6-000, Stationary wiring plate 6-001, Wiring terminal 6-01, Wiring frame 6-010, Wiring screw 6-011; Arc extinguishing chamber 7, Arc extinguishing chamber partition 7-0, Arc extinguishing grid 7-1, Grid foot 7-11;

[0077] Auxiliary module f, module shell f0, module cover f0-1, module base f0-2, auxiliary contact system f1, auxiliary moving contact mechanism f1-0, auxiliary trigger rod f1-00, auxiliary linkage part f1-000, auxiliary bearing part f1-001, auxiliary moving contact f1-01, f1-1 auxiliary stationary contact mechanism. Detailed Implementation

[0078] The following embodiments, in conjunction with the accompanying drawings, further illustrate specific implementations of the switching device of the present invention. The switching device of the present invention is not limited to the descriptions in the following embodiments.

[0079] like Figures 1-6 The diagram shows an embodiment of the switching device of the present invention.

[0080] The switch device of the embodiment comprises a switch body z, the switch body z comprises an operating device and at least one set of contact systems, the operating device comprises an operating mechanism m and a main contact support 5-0, the contact systems comprise a movable contact 5-1 and a main stationary contact mechanism 6 used in cooperation, the movable contact 5-1 is borne on the main contact support 5-0, the main stationary contact mechanism 6 comprises at least one stationary contact 6-0, the operating mechanism m is in driving connection with the main contact support 5-0 to drive the main contact support 5-0 to move linearly, the main contact support 5-0 drives the movable contact 5-1 to close and disconnect with the stationary contact 6-00, so as to make the switch body z to close and open.

[0081] Further, the switch device of the embodiment further comprises a main movable contact mechanism 5, the main movable contact mechanism 5 comprises the main contact support 5-0 and the movable contact 5-1 borne on the main contact support 5-0.

[0082] Specifically, the switch device of the embodiment comprises two or more sets of contact systems, the movable contact 5-1 of each contact system is borne on the main contact support 5-0. The number of the contact systems can be adjusted according to actual needs, for example, the number of the contact systems is one when the switch device of the embodiment is a single-phase switch, the number of the contact systems is two when the switch device of the embodiment is a two-phase switch, the number of the contact systems is three when the switch device of the embodiment is a three-phase switch, and the number of the contact systems is four when the switch device of the embodiment is a three-phase four-wire switch.

[0083] Further, the switch device of the embodiment further comprises a main body shell h, the operating device and the contact systems are arranged in the main body shell h. Further, the main body shell h comprises an upper cover h-1 and a base h-2 relatively combined together along the moving direction of the main contact support 5-0 (that is, the extension direction of the axis s-s and the height direction d3 of the switch device, which will be described hereinafter).

[0084] Further, the switch device of the embodiment further comprises an auxiliary module f used in cooperation with the switch body z, when the operating mechanism m drives the main movable contact mechanism 5 to move linearly to switch the switch body z between the closed state and the open state, the main movable contact mechanism 5 simultaneously drives the auxiliary module f to switch the working state.

[0085] As shown in FIG. 1, it is an embodiment of the operating device. Figures 2-17

[0086] As shown in FIG. 1, it is an embodiment of the operating device. Figures 4-6 ​,8, the operating mechanism m of the operating device includes a rotating shaft 1 coaxially arranged around an axis s-s, a connecting rod 2 and a driving shaft 4, and an energy storage structure 3 connected with the rotating shaft 1 and the connecting rod 2 respectively; the connecting rod 2 and the driving shaft 4 are synchronously arranged, the driving shaft 4 is connected with the main contact support 5-0 in transmission to drive the main contact support 5-0 to move along the extension direction of the axis s-s, that is, the driving shaft 4 reciprocally rotates around the axis s-s while driving the main contact support 5-0 to reciprocally move along the extension direction of the axis s-s, so as to make the main moving contact mechanism 5 and the main stationary contact mechanism 6 to be closed and disconnected; the operating device has a closing state (the main moving contact mechanism 5 and the main stationary contact mechanism 6 are in the closed state) and an opening state (the main moving contact mechanism 5 and the main stationary contact mechanism 6 are in the disconnected state); the rotating shaft 1 has a first position, an intermediate position and a second position arranged in sequence along the rotating direction thereof, that is, the rotating shaft 1 can reach the second position from the first position through the intermediate position or reach the first position from the second position through the intermediate position by rotating around the axis s-s; the connecting rod 2 has a third position and a fourth position arranged in sequence along the rotating direction thereof, that is, the connecting rod 2 can rotate from the third position to the fourth position or rotate from the fourth position to the third position by rotating around the axis s-s; in the closing state (correspondingly, the switch device is in the closing state and the main moving contact mechanism 5 is in the closed position and is in the closed state with the main stationary contact mechanism 6), the rotating shaft 1 is in the first position and the connecting rod 2 is in the third position; in the opening state (correspondingly, the switch device is in the opening state and the main moving contact mechanism 5 is in the disconnected position and is in the disconnected state with the main stationary contact mechanism 6), the rotating shaft 1 is in the second position and the connecting rod 2 is in the fourth position; the rotating shaft 1 is driven by an external force (the external force can be a passive operating force from an operator or a driving force of an electric operating mechanism) to rotate from the first position or the second position to the intermediate position to make the energy storage structure 3 store energy and the connecting rod 2 remain stationary in the process of energy storage of the energy storage structure 3, the energy storage structure 3 stores energy to the maximum value when the rotating shaft 1 is in the intermediate position, that is, the rotating shaft 1 rotates from the first position to the intermediate position or rotates from the second position to the intermediate position to make the energy storage structure 3 store energy, and in the process of completing energy storage of the energy storage structure 3, the connecting rod 2 remains stationary and does not rotate around the axis s-s, the process of energy storage of the energy storage structure 3 ends when the rotating shaft 1 rotates from the first position or the second position to the intermediate position. Further, in the closing state, the rotating shaft 1 has a tendency to rotate in a first rotating direction and the connecting rod 2 has a tendency to rotate in a second rotating direction, the first rotating direction and the second rotating direction are opposite directions; in the opening state, the rotating shaft 1 has a tendency to rotate in the second rotating direction and the connecting rod 2 has a tendency to rotate in the first rotating direction.

[0087] The operating device of the embodiment has simple structure of the operating mechanism m, when switching between the closed state and the open state, the rotating shaft 1 drives the energy storage structure 3 to store energy first, after the rotating shaft 1 rotates through the intermediate position, the energy storage structure 3 releases energy to drive the rotating shaft 1 and the connecting rod 2 to relatively rotate in opposite directions to switch the working positions respectively, the movable contact 5-1 and the static contact 6-00 can be quickly disconnected and closed through the main contact support 5-0, and the possibility of arc generated when the movable contact 5-1 and the static contact 6-00 are closed and disconnected is eliminated or significantly reduced; moreover, compared with the existing mode of directly driving the main contact support 5-0 through the rotating shaft 1, the operating mechanism m can significantly increase the rotating angle of the connecting rod in the limited space, thereby increasing the movement of the main contact support 5-0 driven and matched with the connecting rod, increasing the opening distance of the movable contact 5-1 and the static contact 6-00, and having good action performance, and the structure of the operating mechanism m is more compact and smaller in size; moreover, the connecting rod 2 drives the main contact support 5-0 to move linearly through the driving shaft 4, which is beneficial to reducing the space required for the action of the main contact support 5-0.

[0088] Further, the connecting rod 2 and the driving shaft 4 are of an integrated or split structure.

[0089] Further, the rotating angle of the rotating shaft 1 when switching between the first position and the second position is 90°, and the rotating angle of the rotating shaft 1 when switching from the first position or the second position to the intermediate position is 70°-80° (preferably 75°); that is, when the rotating shaft 1 rotates from the first position to the second position or from the second position to the first position, the rotating shaft 1 needs to rotate by 90°, and when the rotating shaft 1 rotates from the first position or the second position to the intermediate position, the rotating shaft 1 needs to rotate by 70°-80° (preferably 75°).

[0090] Further, the rotating angle of the connecting rod 2 when switching between the third position and the fourth position is 45°-90° (preferably 60°-90°, specifically 60°); that is, when the connecting rod 2 rotates from the third position to the fourth position or from the fourth position to the third position, the connecting rod 2 needs to rotate by 45°-90° (preferably 60°-90°, specifically 60°). It should be pointed out that the rotating angle of the connecting rod 2 when switching between the third position and the fourth position can be adjusted as needed, mainly according to the movement stroke of the movable contact mechanism 5, and the maximum rotating angle of the connecting rod 2 does not exceed 90°.

[0091] As shown in FIGS. Figures 4-6 , 8, the energy storage structure 3 includes at least one energy storage spring 3-0, the two ends of the energy storage spring 3-0 are respectively connected in transmission with the rotating shaft 1 and the connecting rod 2, the energy storage spring 3-0 has a dead point position, and the rotating shaft 1 rotates from the first position or the second position to the intermediate position to drive the energy storage spring 3-0 to act to the dead point position and store the maximum energy, that is, the intermediate position of the rotating shaft 1 corresponds to the dead point position of the energy storage spring 3-0.

[0092] Further, the energy storage spring 3-0 is a linear compression spring, and the geometric axis of the linear compression spring intersects and is coplanar with the axis s-s at the dead point position. Further, the geometric axis of the energy storage spring 3-0 is perpendicular to the axis s-s at the dead point position.

[0093] As other embodiments, the energy storage spring 3-0 can also be a torsion spring, which includes a spiral portion and two spring arms respectively connected to the spiral portion, the spiral portion is freely arranged, one spring arm is connected to the transmission of the rotating shaft 1, and the other spring arm is connected to the transmission of the connecting rod 2; the torsion spring intersects and is coplanar with the connecting position of the torsion spring and the rotating shaft 1, the connecting position of the torsion spring and the connecting rod 2, and the axis s-s at the dead point position.

[0094] Further, the energy storage structure 3 includes two energy storage springs 3-0, which are arranged on the two radial sides of the rotating shaft 1. Further, the two energy storage springs 3-0 are mutually central symmetric structures with the axis s-s as the center of symmetry.

[0095] Specifically, the connecting rod 2 further comprises a connecting rod bearing part 2a, the connecting rod bearing part 2a comprises two bearing part connecting bridges 2-2a, and the two bearing part connecting bridges 2-2a are respectively located on the two radial sides of the rotating shaft 1; the rotating shaft 1 comprises a rotating shaft body 1-0 arranged in rotation around an axis s-s and two rotating shaft mounting seats 1-2, and the two rotating shaft mounting seats 1-2 are arranged on the circumferential side of the rotating shaft body 1-0 and located on the two radial sides of the rotating shaft body 1-0; the two energy storage springs 3-0 are respectively arranged on the two radial sides of the rotating shaft 1, and the two ends of each energy storage spring 3-0 are respectively rotationally connected with the corresponding bearing part connecting bridge 2-2a and the corresponding rotating shaft mounting seat 1-2. Further, the connecting rod bearing part 2a further comprises a bearing part first side plate 2-0a and a bearing part second side plate 2-1a arranged in opposite intervals, the two ends of the bearing part first side plate 2-0a and the bearing part second side plate 2-1a are connected by one bearing part connecting bridge 2-2a (that is, one end of the bearing part first side plate 2-0a and the bearing part second side plate 2-1a is connected by one bearing part connecting bridge 2-2a, and the other end of the bearing part first side plate 2-0a and the bearing part second side plate 2-1a is also connected by one bearing part connecting bridge 2-2a), and the bearing part first side plate 2-0a, the bearing part second side plate 2-1a and the bearing part connecting bridge 2-2a as a whole form a frame structure; the rotating shaft 1 is rotationally arranged in the middle of the bearing part first side plate 2-0a and the bearing part second side plate 2-1a, and the two energy storage springs 3-0 are arranged between the bearing part first side plate 2-0a and the bearing part second side plate 2-1a. It should be pointed out that the connecting rod bearing part 2a can only be provided with the bearing part first side plate 2-0a or the bearing part second side plate 2-1a, but it will affect the structural strength and stability of the connecting rod 2; or the connecting rod bearing part 2a can only be provided with one bearing part connecting bridge 2-2a, and the operating mechanism m is only provided with one energy storage spring 3-0, but it will destroy the symmetry of the overall structure of the operating mechanism m and affect the stability and reliability of the operating mechanism m.

[0096] The energy storage process and the energy release process of the energy storage spring 3-0 will be described below: Figure 6 and 8 The energy storage process and the energy release process of the energy storage spring 3-0 will be described below:

[0097] The energy storage spring 3 is connected with the rotating shaft 1 at one end as the first end of the spring and connected with the connecting rod 2 at the other end as the second end of the spring; during the rotating process of the rotating shaft 1 from the first position or the second position to the middle position, the rotating shaft 1 drives the energy storage spring 3-0 to rotate around the second end of the spring through the first end of the spring so that the energy storage spring 3-0 is compressed to store energy, and when the rotating shaft 1 rotates to the middle position, the energy storage spring 3-0 rotates to the dead point position and the energy storage is maximum; when the rotating shaft 1 continues to rotate from the middle position, the energy storage spring 3-0 rotates over the dead point position, and then the energy storage spring 3-0 starts to release energy, and the energy storage spring 3-0 acts on the rotating shaft 1 and the connecting rod 2 through the first end and the second end of the spring respectively to make the two relatively rotate (that is, the rotating shaft 1 and the connecting rod 2 rotate in opposite directions respectively).

[0098] As shown in Figures 2-3 , the rotating shaft 1 is limited and matched with the shell of the operating device (the shell of the operating device is preferably realized by the main body shell h of the switch main body z) at the first position and the second position respectively to make the rotating shaft 1 remain at the corresponding position, that is, the rotating shaft 1 is limited and matched with the shell of the operating device at the first position to make the rotating shaft 1 remain at the first position, and the rotating shaft 1 is limited and matched with the shell of the operating device at the second position to make the rotating shaft 1 remain at the second position. Further, the operating device includes at least one set of first positioning structure, the first positioning structure includes two first positioning faces and two first blocking faces, among the first positioning faces and the first blocking faces, one is arranged on the rotating shaft 1 and the other is arranged on the shell of the operating device, the two first positioning faces are sequentially arranged around the axis s-s and are respectively the first closing positioning face and the first opening positioning face, and the two first blocking faces are sequentially arranged around the axis s-s and are respectively the first closing blocking face and the first opening blocking face, when the rotating shaft 1 is at the first position, the first closing positioning face is limited and matched with the first opening blocking face to prevent the rotating shaft 1 from continuing to rotate and keep it at the first position, and when the rotating shaft 1 is at the second position, the second closing positioning face is limited and matched with the second opening blocking face to prevent the rotating shaft 1 from continuing to rotate and keep it at the second position.

[0099] Specifically, as shown in Figures 2-3As shown in Figures 8-9, the rotating shaft 1 includes a rotating shaft body 1-0 rotatably arranged around the axis ss and at least one set of first positioning parts 1-1. The first positioning parts 1-1 are disposed on the circumferential sidewall of the rotating shaft body 1-0, and each first positioning part 1-1 includes two first positioning surfaces respectively disposed on its two sides. The housing of the operating device includes a housing shaft hole h-16 for the rotating shaft 1 to be inserted. At least one set of housing positioning grooves h-11 are provided on the sidewall of the housing shaft hole h-16. Each end of the housing positioning groove h-11 is provided with a first stop surface. The first positioning parts 1-1 and the housing positioning grooves h-11 are matched one-to-one, and the first positioning parts 1-1 are movably inserted into the housing positioning grooves h-11. Further, the rotating shaft 1 includes a pair of first positioning parts 1-1 respectively disposed on the radial sides of the rotating shaft body 1-0. The sidewall of the housing shaft hole h-16 is provided with two sets of housing positioning grooves h-11 respectively disposed on the radial sides of the housing shaft hole h-16. The two first positioning parts 1-1 are movably inserted into the two housing positioning grooves respectively. Furthermore, the housing shaft hole h-16 is provided on the upper cover h-1 of the main body housing h; specifically, the housing shaft hole h-16 is provided on the side wall of the upper cover h-1 perpendicular to the axis ss.

[0100] In another embodiment, the first positioning part 1-1 is disposed on the side wall of the housing shaft hole h-16, and the housing positioning groove h-11 is disposed on the rotating shaft body 1-0.

[0101] In another embodiment, the first positioning part 1-1 is disposed on the rotating shaft body 1-0, and the housing of the operating device is provided with a stop block that cooperates with the first positioning part 1-1. Each first positioning part 1-1 cooperates with two stops. For example, the stops can be disposed on the outer side of one axial end of the housing shaft hole h-16.

[0102] like Figures 4-5 As shown, when the connecting rod 2 is in the third and fourth positions, it engages with the housing of the operating device to limit its movement, thus holding the connecting rod 2 in the corresponding position. Specifically, when the connecting rod 2 is in the third position, the engagement with the housing prevents it from rotating further and holds it in the third position; when the connecting rod 2 is in the fourth position, the engagement with the housing prevents it from rotating further and holds it in the fourth position. Further, a pair of sidewalls of the housing of the operating device are located on both sides of the connecting rod 2 and are respectively the first positioning sidewall and the second positioning sidewall. When the connecting rod 2 is in the third and fourth positions, at least one of its radial ends engages with the first positioning sidewall and the second positioning sidewall, respectively. Further, the radial ends of the connecting rod 2 are the first end and the second end. When the connecting rod 2 is in the third position, the first end engages with the first positioning sidewall, and the second end engages with the second positioning sidewall. When the connecting rod 2 is in the fourth position, the first end engages with the second positioning sidewall, and the second end engages with the first positioning sidewall.

[0103] Specifically, as shown in Figures 4-5 h-12, four sets of shell positioning faces h-12 are sequentially arranged in the order of first shell positioning face, second shell positioning face, third shell positioning face and fourth shell positioning face around the axis s, the first shell positioning face and the second shell positioning face are arranged on the first positioning side wall, and the third shell positioning face and the fourth shell positioning face are arranged on the second positioning side wall; when the connecting rod 2 is in the third position, the first end of the connecting rod abuts against the first shell positioning face for limiting cooperation, and the second end of the connecting rod abuts against the third shell positioning face for limiting cooperation; when the connecting rod 2 is in the fourth position, the first end of the connecting rod abuts against the fourth shell positioning face for limiting cooperation, and the second end of the connecting rod abuts against the second shell positioning face for limiting cooperation. Further, as shown in Figures 4-5 , 8, 10-11, the rotating shaft 1 is rotatably inserted into the first connecting rod shaft hole in the middle of the first side plate 2-0a of the bearing part, and the rotating shaft 1 and the first side plate 2-0 of the bearing part are cross-shaped, two side edges of one end of the first side plate 2-0a are respectively used for limiting cooperation with the first shell positioning face and the fourth shell positioning face, and two side edges of the other end are respectively used for limiting cooperation with the second shell positioning face and the third shell positioning face. Further, the drive shaft 4 includes drive shaft bearing parts 4a arranged on one end in the axial direction and located on both sides in the radial direction, respectively, the drive shaft bearing part 4a includes a drive shaft bearing plate 4-0a and a drive shaft baffle plate 4-1a, the plane where the drive shaft bearing plate 4-0a is located is perpendicular to the axis s, and two drive shaft baffle plates 4-1a are oppositely arranged on one side of the drive shaft bearing plate 4-0a and respectively connected with the drive shaft bearing plate 4-0a by bending; the two ends of the second side plate 2-1a of the bearing part are respectively matched with two groups of drive shaft bearing parts 4a, each end of the second side plate 2-1a of the bearing part is stacked along the axis s with the corresponding drive shaft bearing plate 4-0a, and is located between and limitedly cooperates with the corresponding two drive shaft baffle plates 4-1a to make the connecting rod 2 and the drive shaft 4 rotate synchronously; four drive shaft baffle plates 4-1a are respectively used for limiting cooperation with four sets of shell positioning faces h-12. The drive shaft bearing part 4a is located between the energy storage structure 3 and the contact system in the extension direction of the axis s, and can also prevent the electric arc from entering the inside of the operating mechanism m, thereby protecting the metal parts inside the operating mechanism m.

[0104] As shown in Figures 2-5As shown, the operating device limits the relative rotation between the rotating shaft 1 and the connecting rod 2 in the closed state and the open state, i.e., the rotating shaft 1 is in the first position and the connecting rod 2 is in the third position in the closed state, and the rotating shaft 1 is in the second position and the connecting rod 2 is in the fourth position in the open state, and the rotating shaft 1 and the connecting rod 2 are limited to prevent relative rotation. Further, the operating device comprises at least one set of second positioning structure, the second positioning structure comprises two second positioning faces and two second blocking faces, one of the second positioning faces and the second blocking faces is arranged on the rotating shaft 1 and the other is arranged on the connecting rod 2, the two second positioning faces are sequentially arranged around the axis s-s and are respectively a second closed positioning face and a second open positioning face, and the two second blocking faces are sequentially arranged around the axis s-s and are respectively a second closed blocking face and a second open blocking face. In the closed state, the second closed positioning face and the second open positioning face are limited to prevent the relative rotation between the rotating shaft 1 and the connecting rod 2, and in the open state, the second open positioning face and the second open blocking face are limited to prevent the relative rotation between the rotating shaft 1 and the connecting rod 2.

[0105] Specifically, in the embodiment, the operating device limits the relative rotation between the rotating shaft 1 and the connecting rod 2 in the closed state and the open state. Further, as shown in the drawings, Figure 10 As shown, the middle part of the second side plate 2-1a of the bearing part of the connecting rod 2 is provided with a second connecting rod shaft hole 2-10a for inserting the rotating shaft 1, and a pair of connecting rod blocks 2-11a is arranged on the side wall of the second connecting rod shaft hole 2-10, and each of the two connecting rod blocks is provided with a second blocking face; the rotating shaft 1 comprises at least one set of second positioning part 1-3, the second positioning part 1-3 is interposed between the two connecting rod blocks 2-11a and comprises two second positioning faces arranged on the two sides thereof. Further, the rotating shaft 1 comprises two sets of second positioning part 1-3, the two sets of positioning part 1-3 are arranged on the circumferential side surface of the rotating shaft body 1-0 of the rotating shaft 1 and are located on the two radial sides of the rotating shaft body 1, and the two sets of positioning part 1-3 and the two connecting rod blocks 2-11a are sequentially and alternately arranged around the axis s-s.

[0106] As other embodiments, one of the second positioning face and the second blocking face of the second positioning structure is arranged on the rotating shaft 1 and the other is arranged on the driving shaft 4 which rotates synchronously with the connecting rod 2; for example, the rotating shaft 1 still comprises the second positioning part 1-3, and the connecting rod block is arranged on the side wall of the driving shaft first insertion hole 4-0b (which will be described later) of the driving shaft 4.

[0107] As shown in the drawings, Figure 8 , 10As shown in FIG. 12, in the embodiment, the connecting rod 2 and the driving shaft 4 are in a split structure.

[0108] Further, the connecting rod 2 further comprises a connecting rod connecting portion 2b, which is fixedly connected with the driving shaft 4 along the extension direction of the axis s-s, so that the connecting rod 2 and the driving shaft 4 rotate synchronously. Further, the connecting rod connecting portion 2b is insertedly matched with the driving shaft 4.

[0109] Further, the connecting rod 2 is in a T-shaped structure as a whole, the connecting rod connecting portion 2b extends along the axis s-s, and an axial end of the connecting rod connecting portion 2b is connected with the middle portion of the connecting rod bearing portion 2a. Specifically, the axial end of the connecting rod connecting portion 2b is connected with the middle portion of the bearing portion second side plate 2-1a of the connecting rod bearing portion 2a.

[0110] Further, the connecting rod connecting portion 2b further comprises at least one set of connecting rod claws 2-1b arranged on the circumferential side surface thereof; the driving shaft 4 further comprises a driving shaft driving portion 4b connected with the driving transmission of the driving contact mechanism 5, the driving shaft driving portion 4b comprises a driving shaft second insertion hole 4-2b, at least one set of driving shaft connecting grooves 4-3b are arranged on the side wall of the driving shaft second insertion hole 4-2b, and the driving shaft connecting grooves 4-3b are used in one-to-one matching with the connecting rod claws 2-1b; the connecting rod connecting portion 2b is inserted into the driving shaft second insertion hole 4-2b, and the connecting rod claws 2-1b are inserted into the driving shaft connecting grooves 4-3b to prevent the relative rotation between the connecting rod 2 and the driving shaft 4. Further, the connecting rod claws 2-1b and the driving shaft connecting grooves 4-3b are in interference fit, so as to ensure that the connecting rod 2 and the driving shaft 4 are reliably connected together.

[0111] As other embodiments, the connecting rod connecting portion 2b can also be a plurality of clamping claws arranged on the bearing portion second side plate 2-1a and around the axis s-s, and the corresponding driving shaft driving portion 4b is provided with a plurality of clamping holes arranged around the axis s-s, and the clamping claws and the clamping holes are in one-to-one buckling matching.

[0112] As other embodiments, the connecting rod connecting portion 2b is in a polygonal columnar structure, and the driving shaft driving portion 4b is provided with a polygonal insertion hole, and the two are insertedly matched, which can not only realize fixed connection but also ensure synchronous rotation of the two.

[0113] Specifically, the connecting rod connecting part 2b is a cylindrical structure; the drive shaft 4 comprises a drive shaft first insertion hole 4-0b, a drive shaft partition wall 4-1b and a drive shaft second insertion hole 4-2b arranged coaxially from inside to outside in sequence, the drive shaft first insertion hole 4-0b is a cylindrical insertion hole, the drive shaft partition wall 4-1b is a cylindrical structure, and the drive shaft second insertion hole 4-2b is an annular insertion hole; the connecting rod connecting part 2b is inserted into the drive shaft second insertion hole 4-2b, and the drive shaft partition wall 4-1b is inserted into the connecting rod connecting part 2b, and the rotating shaft 1 is rotatably inserted into the drive shaft first insertion hole 4-0b, thereby forming reliable limiting for the rotating shaft 1 and ensuring reliable and stable rotation of the rotating shaft 1 around the axis s. Further, two drive shaft bearing parts 4a are arranged on the axial one end of the drive shaft driving part 4b, and the two drive shaft bearing parts 4a are arranged on the radial two sides of the drive shaft driving part 4b, respectively.

[0114] As shown in Figure 9 , it is an embodiment of the rotating shaft 1.

[0115] The rotating shaft 1 comprises a rotating shaft body 1-0, a first positioning part 1-1, a rotating shaft mounting seat 1-2 and a second positioning part 1-3 arranged on the circumferential side surface of the rotating shaft body 1-0, and the first positioning part 1-1, the rotating shaft mounting seat 1-2 and the second positioning part 1-3 are arranged in sequence along the axis of the rotating shaft body 1-0. Further, two groups of the first positioning part 1-1 are symmetrically arranged on the radial sides of the rotating shaft body 1-0, two groups of the rotating shaft mounting seat 1-2 are symmetrically arranged on the radial two sides of the rotating shaft body 1-0, and two groups of the second positioning part 1-3 are symmetrically arranged on the radial two sides of the rotating shaft body 1-0; in the projection of the rotating shaft 1 perpendicular to the axis s (that is, the axis of the rotating shaft body 1-0), the two groups of the first positioning part 1-1 overlap with the two groups of the second positioning part 1-3, respectively, and the connecting line of the two groups of the rotating shaft mounting seat 1-2 crosses the connecting line of the two groups of the first positioning part 1-1.

[0116] As shown in Figure 9 and 10 , it is an embodiment of the connecting rod 2.

[0117] The connecting rod 2 is in a T-shaped structure as a whole, the bearing part first side plate 2-0a of the connecting rod bearing part 2a, the bearing part second side plate 2-1a of the connecting rod bearing part 2a and the connecting rod connecting part 2b are arranged in sequence along the axis s, one end of the connecting rod connecting part 2b is connected with the middle part of the bearing part second side plate 2-1a, and the circumferential side surface of the other end is provided with a connecting rod claw 2-1b, the middle part of the bearing part first side plate 2-0a is provided with a first connecting rod shaft hole for the rotating shaft 1 to pass through, the middle part of the bearing part second side plate 2-1a is provided with a second connecting rod shaft hole 2-10a for the rotating shaft 1 to pass through, the bearing part first side plate 2-0a, the bearing part second side plate 2-1a and the bearing part connecting bridge 2-2a are in a frame-shaped structure as a whole, and the connecting rod connecting part 2b is in a cylindrical structure.

[0118] As Figure 6 , 8 , 12-14, is an implementation for the drive shaft 4 to drive the main contact support 5-0 to move linearly along the axis s-s.

[0119] The drive shaft driving part 4b of the drive shaft 4 is connected to the main contact mechanism 5 through at least one set of first transmission structure, which includes the driving groove 4-4b and the transmission part 5-000. The driving groove 4-4b is a spiral groove, and its axis coincides with the axis s-s. The transmission part 5-000 is movably arranged in the driving groove 4-4b. One of the driving groove 4-4b and the transmission part 5-000 is arranged on the drive shaft 4, and the other is arranged on the main contact support 5-0. Further, in the first transmission structure, the driving groove 4-4b is arranged on the circumferential side of the drive shaft driving part 4b, and the transmission part 5-000 is arranged on the main contact support 5-0 of the main contact mechanism 5.

[0120] Further, the main contact support 5-0 includes the support driven part 5-00. Two sets of support driven parts 5-00 are oppositely arranged and respectively located on the radial sides of the drive shaft driving part 4b. The drive shaft driving part 4b is connected to the two sets of support driven parts 5-00 through the two sets of first transmission structure, and the driving grooves 4-4b of the two sets of first transmission structure are centrally symmetric structures with the axis s-s as the center of symmetry. Further, the support driven part 5-00 includes the transmission arm 5-001 and the transmission part 5-000 arranged on the transmission arm 5-001. The transmission parts 5-000 of the two support driven parts 5-00 are oppositely arranged and respectively inserted into the corresponding driving grooves 4-4b.

[0121] As other embodiments, in the first transmission structure, the driving groove 4-4b is arranged on the support driven part 5-00, and the transmission part 5-000 is arranged on the circumferential side of the drive shaft driving part 4b.

[0122] As other embodiments, the drive shaft 4 and the main contact support 5-0 are matched through the thread screw structure, that is, the first transmission structure is a thread screw structure. For example, the middle part of the end of the drive shaft driving part 4b facing the main contact mechanism 5 is provided with a thread hole extending along the axis s-s, and the main contact support 5-0 is provided with a screw. The thread hole and the screw are threadedly matched. Alternatively, the end of the drive shaft driving part 4b facing the main contact mechanism 5 is provided with a screw, and the main contact support 5-0 is provided with a thread hole.

[0123] As other embodiments, the driving shaft driving part 4b is provided with a driving hole in the middle of one end of the male contact mechanism 5, and a driving groove 4-4b is arranged on the side wall of the driving hole. The supporting driven part 5-00 is provided with a transmission part 5-000, and the supporting driven part 5-00 is inserted into the driving hole and the transmission part 5-000 is movably inserted into the driving groove 4-4b. Alternatively, the driving shaft driving part 4b is provided with the transmission part 5-000, the supporting driven part 5-00 is provided with the driving hole, and a driving groove 4-4b is arranged on the side wall of the driving hole. One end of the driving shaft driving part 4b provided with the transmission part 5-000 is inserted into the driving hole, and the transmission part 5-000 is movably inserted into the driving groove 4-4b.

[0124] As shown in Figure 8 , 11 -12, which is an embodiment of the driving shaft 4.

[0125] In the driving shaft 4, two driving shaft carrying parts 4a are symmetrically arranged on the radial sides of one end of the driving shaft driving part 4b in the axial direction. The driving shaft carrying plate 4-0a of the driving shaft carrying part 4a is connected to one end of the driving shaft driving part 4b. Two driving shaft stop plates 4-1a of the driving shaft carrying part 4a are oppositely and spacedly arranged on the side of the corresponding driving shaft carrying plate 4-0a facing the connecting rod 2. The driving shaft stop plate 4-1a is connected to the corresponding driving shaft carrying plate 4-0a at a right angle. The middle of the driving shaft driving part 4b is provided with a driving shaft first insertion hole 4-0b, a driving shaft partition wall 4-1b and a driving shaft second insertion hole 4-2b arranged coaxially from inside to outside in sequence. The outer side wall of the driving shaft second insertion hole 4-2b (i.e. the side wall of the second insertion hole 4-2b opposite to the driving shaft partition wall 4-1b) is provided with a driving shaft connecting groove 4-3b. The driving shaft connecting groove 4-3b extends along the extension direction of the axis s-s. Two driving shaft connecting grooves 4-3b are symmetrically arranged on the radial sides of the driving shaft partition wall 4-1b. The circumferential side of the driving shaft driving part 4b is provided with a driving groove 4-4b. The driving groove 4-4b is a spiral groove, and its axis coincides with the axis s-s. The axes of the two groups of driving shaft spiral grooves 4-4b coincide and are centrally symmetric with the axis s-s as the center.

[0126] As shown in Figures 4-6 , when the male contact mechanism 5 and the female contact mechanism 6 are closed, the male contact mechanism 5 moves to the side where the cover h-1 is located along the extension direction of the axis s-s. When the male contact mechanism 5 and the female contact mechanism 6 are disconnected, the male contact mechanism 5 moves to the side where the base h-2 is located along the extension direction of the axis s-s. Further, as shown in Figure 15 and 23As shown, the transmission arm 5-001 supporting the movable part 5-00 is provided with a main guide rail 5-0010 and a stop table 5-0011, the stop table 5-0011 is arranged at one end of the main guide rail 5-0010 and connected with the bending part thereof; the base h-2 of the main body shell h is provided with a main guide groove h-20; the main guide rail 5-0010 is slidingly arranged in the main guide groove h-20; when the switch device is opened (i.e. the operating device or operating mechanism m is opened), the stop table 5-0010 abuts against one end of the sidewall of the main guide groove h-20 to limit the main contact support 5-0 at the open position, avoiding the main contact support 5-0 directly impacting the bottom wall of the base h-2, prolonging the service life of the switch device.

[0127] Further, as shown in Figure 1 and 14 , the main contact support 5-0 is further provided with an opening and closing indication structure 5-0013; the shell of the operating device further comprises an indication window h-10 arranged on the sidewall thereof; the opening and closing indication structure 5-0013 cooperates with the indication window h-10, for indicating the current position of the main contact support 5-0, which is beneficial for the operator to determine the current position of the main contact support 5-0, to determine whether the movable contact mechanism 5 and the static contact 6-00 are disconnected, improving the safety of electricity use. Further, the opening and closing indication structure 5-0013 comprises a closing indicator and an opening indicator, when the main contact mechanism 5 is at the closed position (i.e. when the main contact mechanism 5 and the main static contact mechanism 6 are closed), the closing indicator is visible through the indication window h-10, when the main contact mechanism 5 is at the open position (i.e. when the main contact mechanism 5 and the main static contact mechanism 6 are disconnected), the opening indicator is visible through the indication window h-10.

[0128] Specifically, the opening and closing indication structure 5-0013 is arranged on the movable part 5-00 of the main contact support 5-0; the indication window h-10 is arranged on the sidewall of the main body shell h of the main body z. Further, the indication window h-10 is arranged on the sidewall of the upper cover h-1 of the main body shell h.

[0129] As other embodiments, when the main contact mechanism 5 is at the closed position, the opening and closing indication structure 5-0013 is opposite to the indication window h-10 and visible through the indication window h-10; when the main contact mechanism 5 is at the open position, the opening and closing indication structure 5-0013 is misaligned with the indication window h-10 and cannot be visible through the indication window h-10.

[0130] As shown in Figures 13-16As shown, the main contact support 5-0 further comprises at least one set of support bearing parts 5-01 which are connected with the support driven parts 5-00 and used in one-to-one matching with the movable contacts 5-1, and the support bearing parts 5-01 are used for bearing the movable contacts 5-1. Further, the support bearing parts 5-01 and the support driven parts 5-00 are integrated or separated structure; in this embodiment, the support bearing parts 5-01 and the support driven parts 5-00 are preferably integrated structure.

[0131] Specifically, the main contact support 5-0 is provided with two or more sets of support bearing parts 5-01, and the number of the support bearing parts 5-01 is adjusted according to the phase number of the switch device, for example, the number of the support bearing parts 5-01 is 1 for a single-phase switch, 2 for a two-phase switch, 3 for a three-phase switch, and 4 for a three-phase four-wire switch. Further, each of the support bearing parts 5-01 is integrated structure, which is beneficial to improve the overall structural strength of the main contact support 5-0.

[0132] As other embodiments, the support driven parts 5-00 and the support bearing parts 5-01 are separated structure, which is convenient to adjust the number of the support bearing parts 5-01 according to actual needs, thereby improving the versatility of the main contact support 5-0, but also leads to the defect of increasing the number of parts.

[0133] As shown in Figure 6 and 8 , one layout of the operating device is as follows:

[0134] The rotation shaft 1, the connecting rod 2, the driving shaft 4 and the main contact support 5-0 are sequentially arranged along the extension direction of the axis s-s; the connecting rod 2 is in overall T-shaped structure, and the connecting rod bearing part 2a is cross arranged with the axis s-s; the two sets of energy storage springs 3-0 of the energy storage structure 3 are respectively arranged on the radial two sides of the rotation shaft 1, and the two ends of each set of energy storage springs 3 are respectively connected with the corresponding bearing part connecting bridge (2-2a) of the rotation shaft 1 and the connecting rod 2; the two sets of driving shaft bearing parts 4a of the driving shaft 4 are arranged on the radial two sides of the axial one end of the driving shaft driving part 4b, the two ends of the bearing part second side plate 2-1a of the connecting rod bearing part 2a are respectively limited matched with the two sets of driving shaft bearing parts 4a to prevent the relative rotation between the connecting rod 2 and the driving shaft 4, and the connecting rod connecting part 2b is inserted in the middle part of the driving shaft driving part 4b and is limited matched therewith to prevent the relative rotation between the connecting rod 2 and the driving shaft 4; the rotation shaft 1 is cross arranged with the connecting rod bearing part 2a, and one end of the rotation shaft 1 is inserted and rotated through the connecting rod bearing part 2a and arranged in the middle part of the driving shaft 4; the two sets of support driven parts 5-00 of the main contact support 5-0 are respectively arranged on the radial two sides of the driving shaft driving part 4b and are connected in transmission therewith.

[0135] As shown in Figures 13-17 Fig. 1, one embodiment of the moving contact 5-1 and one assembly mode of the moving contact 5-1 and the main contact support 5-0.

[0136] As shown in Figures 13-14 , 17, the moving contact 5-1 includes two moving contact plates 5-10 oppositely arranged, and two gaps are formed at the two ends of the two moving contact plates 5-10 for the static contact blades 6-000 of the static contact 6-00 to insert. Further, the two moving contact plates 5-10 are oppositely spaced in the moving contact 5-1. Further, the moving contact 5-1 further includes two magnetic conductive plates 5-11, and the two magnetic conductive plates 5-11 are respectively arranged on the two sides of the two moving contact plates 5-10 and are respectively overlapped with the two moving contact plates 5-10. Further, the moving contact plate 5-10 is provided with a moving contact plate limiting table 5-101, the magnetic conductive plate 5-11 is provided with a magnetic conductive plate limiting hole 5-110, and the moving contact plate limiting table 5-101 and the corresponding magnetic conductive plate limiting hole 5-110 are inserted and limited in cooperation, so as to limit the relative movement of the corresponding moving contact plate 5-10 and the magnetic conductive plate 5-11 and ensure the reliable and stable assembly of the two.

[0137] Further, the main moving contact mechanism 5 further includes a contact spring 5-2, each moving contact 5-1 is matched with two groups of contact springs 5-2, and each contact spring 5-2 is arranged between the corresponding magnetic conductive plate 5-11 and the main contact support 5-0. Of course, the moving contact 5-1 can also not be provided with the magnetic conductive plate 5-11, and each contact spring 5-2 is arranged between the corresponding moving contact plate 5-10 and the main contact support 5-0.

[0138] As shown in Figures 13-16As shown, the support carrier 5-01 includes a contact insertion hole 5-010, two contact insertion holes 5-010 are oppositely spaced and provided with a contact separation wall 5-011 therebetween, and two movable contact plates 5-10 of the movable contact 5-1 are inserted into the two contact insertion holes 5-010 and are stacked together with the contact separation wall 5-011. Further, one contact positioning table 5-013 is arranged on each side of the contact separation wall 5-011, the movable contact plate 5-10 is provided with a movable contact plate positioning hole 5-100, and the movable contact plate positioning table 5-101 is inserted and limited in cooperation with the contact positioning table 5-013 to ensure reliable limiting between the movable contact plate 5-10 and the main contact support 5-0, avoid displacement of the movable contact 5-1 during closing and opening of the static contact 6-00, and thus ensure working reliability. Further, the side wall of the contact insertion hole 5-010 opposite to the contact separation wall 5-011 is provided with a support spring positioning table 5-014, the magnetic conducting plate 5-11 is provided with two groups of magnetic conducting plate spring positioning tables, and the two magnetic conducting plate positioning tables are oppositely arranged with two magnetic conducting plate limiting holes; the contact spring 5-2 is a linear compression spring, one end of which is sleeved on the corresponding support spring positioning table 5-014, and the other end is clamped between the corresponding two magnetic conducting plate spring positioning tables.

[0139] As other embodiments, the magnetic conducting plate 5-11 can also be provided with one magnetic conducting plate spring positioning table, and the contact spring 5-2 is a linear compression spring, one end of which is sleeved on the corresponding support spring positioning table 5-014 and the other end is sleeved on the corresponding magnetic conducting plate spring positioning table.

[0140] As other embodiments, the contact spring 5-2 is a V-shaped spring sheet, both ends of which are respectively pressed on both ends of the corresponding magnetic conducting plate 5-11 and the middle part is pressed on the side wall of the contact insertion hole 5-010.

[0141] As shown, it is an embodiment of the main static contact mechanism 6. Figures 18-20

[0142] The main static contact mechanism 6 includes two groups of static contact assemblies 6-0 arranged oppositely, each group of static contact assemblies 6-0 includes a static contact 6-00, and two static contacts 6-00 are respectively used for closing and opening of both ends of the movable contact 5-1 of the main movable contact mechanism 5. Further, in the main static contact mechanism 6, the structures of the two static contacts 6-00 are the same, which is conducive to reducing the types of parts.

[0143] Specifically, the static contact 6-00 is an L-shaped structure, which includes a static contact blade 6-000 and a static terminal plate 6-001, and the static contact blade 6-000 and the static terminal plate 6-001 are connected by bending and are an integral structure. Further, the plane where the static terminal plate 6-001 is located is perpendicular to the axis s-s, that is, perpendicular to the moving direction of the main movable contact mechanism 5. ​

[0144] Further, the static contact assembly 6-0 further comprises a terminal 6-01 which is used in cooperation with the static terminal plate 6-001 of the static contact 6-00. Further, the terminal 6-01 comprises a terminal frame 6-010 and a terminal screw 6-011 which is screwed with the terminal frame 6-010, and the static terminal plate 6-001 is inserted into the terminal frame 6-010; the terminal screw 6-011 is screwed by external force to drive the terminal frame 6-010 to move along the axis of the terminal screw 6-011 (the axis of the terminal screw 6-011 is preferably coplanar and parallel to the axis s-s), so as to press the external wire between the terminal frame 6-010 and the static terminal plate 6-001.

[0145] As shown in Figure 7 , 18 , 21, 24, the switch body z further comprises at least one set of arc extinguishing mechanism, which comprises an arc extinguishing chamber 7 and a static contact 6-00 used in cooperation, and the moving contact 5-1 is moved along the first direction to close and open the static contact 6-00, and the first direction is the same as the extension direction of the axis s-s and the moving direction of the moving contact mechanism 5; the arc extinguishing chamber 7 comprises at least two arc extinguishing vanes 7-0 which are arranged side by side and spaced apart along the first direction; the static terminal plate 6-001 of the static contact 6-00 is located on one side of the arc extinguishing chamber 7 and is arranged side by side with each arc extinguishing vane 7-0 along the first direction, and the static contact blade 6-000 extends along the first direction, one end of which is connected to the static terminal plate 6-001 by bending, and the other end extends to the arc entrance of the arc extinguishing chamber 7. In the arc extinguishing mechanism, since the static contact 6-00 is an L-shaped structure, the electromagnetic force at the bending connection between the static terminal plate 6-001 and the static contact blade 6-000 of the static contact 6-00 drives the arc between the static contact 6-00 and the moving contact 5-1 to move into the arc extinguishing chamber 7, which ensures that the arc is completely or mostly extinguished in the arc extinguishing chamber 7, and prevents the arc from moving to the operating mechanism m. Further, the arc extinguishing chamber 7 comprises an arc entrance and an exhaust port which are oppositely arranged.

[0146] Specifically, the switch body z comprises two or more sets of arc extinguishing mechanisms, and the number of the arc extinguishing mechanisms is the same as the number of the static contacts 6-00, that is, each static contact 6-00 cooperates with an arc extinguishing chamber 7.

[0147] Further, the plane where the static terminal plate 6-001 is located is perpendicular to the first direction, which is beneficial to reduce the installation space required by the arc extinguishing mechanism. Further, the plane where the static contact blade 6-000 is located is parallel to the first direction and perpendicular to the plane where the static terminal plate 6-001 is located.

[0148] Further, the arc-extinguishing grid piece 7-1 adjacent to the static terminal plate 6-001 of the arc-extinguishing chamber 7 is a first grid piece, and the side of the first grid piece facing the static terminal plate 6-001 is a first grid piece side; the end of the static contact blade 6-000 extending to the arc entrance of the arc-extinguishing chamber 7 is flush with the first grid piece side. The above design is beneficial to reducing the number of arc-extinguishing grid pieces 7-1 required by the arc-extinguishing chamber 7, facilitating the arc root on the static contact blade 6-000 to transfer to the arc-extinguishing grid piece 7-1, and improving the arc-extinguishing efficiency.

[0149] Further, the arc-extinguishing chamber 7 further comprises two arc-extinguishing chamber partitions 7-0 arranged opposite to each other, and each arc-extinguishing grid piece 7-1 is arranged between the two arc-extinguishing chamber partitions 7-0 and fixedly connected to the two arc-extinguishing chamber partitions 7-0 at both ends. Further, the arc-extinguishing grid piece 7 comprises two groups of grid piece feet 7-11 arranged at both ends thereof respectively, the arc-extinguishing chamber partition 7-0 comprises a partition hole arranged thereon, and the grid piece feet 7-11 are inserted into the corresponding partition holes.

[0150] Further, the arc-extinguishing grid piece 7-1 comprises two arc-extinguishing grooves 7-100 arranged side by side and spaced apart, and the two arc-extinguishing grooves 7-100 of each arc-extinguishing grid piece 7-1 are arranged side by side in the first direction to form two arc-extinguishing channels arranged side by side, and the two movable contact plates 5-10 of the movable contact 5-1 move in the two arc-extinguishing channels respectively.

[0151] Further, the arc-extinguishing mechanism further comprises an arc baffle plate arranged between the arc-extinguishing chamber 7 and the metal components (such as the rotating shaft 1 and the energy storage spring 3) of the operating mechanism m, so as to avoid the arc from being directly sprayed onto the metal components of the operating mechanism m, to protect the operating mechanism m, to prolong the service life of the operating mechanism m, and to avoid the short circuit of the operating mechanism m and the contact system of the switch device, thereby ensuring the safety of electricity use. Specifically, the arc baffle plate is realized by the driving shaft bearing part 4a of the driving shaft 4.

[0152] As shown in Figure 6 and 23 , the base h-2 of the main body shell h comprises a contact cavity h-28 and a base terminal groove h-25, the contact cavity h-28 is arranged and used in one-to-one correspondence with the contact system, and the contact system and the arc-extinguishing chamber 7 are arranged in the contact cavity h-28; the base terminal groove h-25 is arranged and used in one-to-one correspondence with the terminal 6-01 of the static contact assembly 6-0, and the contact cavity h-28 and the base terminal groove h-25 are provided with an insulating partition; the exhaust port of the arc-extinguishing chamber 7 is opposite to the corresponding insulating partition, the base terminal groove h-25 is provided with an exhaust passage h-27 between the bottom plate of the base h-2, and the exhaust port of the arc-extinguishing chamber 7 communicates with the external environment through the exhaust passage h-27.

[0153] Further, as shown in Figure 22 and 23As shown, the upper cover h-1 includes a plurality of upper cover partitions h-13 extending to the base h-2; the base h-2 includes a plurality of base main insertion holes h-220; the upper cover partitions h-13 are inserted into the base main insertion holes h-220; the base h-2 is provided with a base terminal partition h-22 between adjacent base terminal grooves h-25, and the base main insertion hole h-220 is arranged in the base terminal partition h-22. The upper cover partition h-13 cooperates with the base terminal partition h-22, which is beneficial to improve the insulation between adjacent connection terminals 6-01. Further, the upper cover h-1 further includes a plurality of upper cover terminal grooves h-15, which are used in one-to-one cooperation with the base terminal grooves h-25, and the upper cover terminal grooves h-15 are provided with an upper cover partition h-13 between adjacent upper cover terminal grooves h-15.

[0154] Further, as shown in Figure 6 and 23 , the base h-2 further includes a contact cavity partition wall, the contact cavity partition wall is arranged between adjacent contact cavities h-28, and the contact cavity partition wall is provided with a partition wall avoiding groove in the middle for avoiding the main contact support 5-0. A group of auxiliary guide grooves h-24 are arranged on one pair of side walls of the partition wall avoiding groove; the main contact support 5-0 further includes an auxiliary guide rail 5-02, and the auxiliary guide rail 5-02 is arranged on both sides of the connection between adjacent support bearing parts 5-01. The main contact support 5-0 is inserted into the partition wall avoiding groove, and the auxiliary guide groove h-24 is in sliding limiting cooperation with the auxiliary guide rail 5-2. The auxiliary guide groove h-24 can realize isolation of adjacent contact cavities h-28, improve the insulation between phases, and improve the stability and reliability of the main contact support 5-0.

[0155] Further, as shown in Figure 22 and 23 , the upper cover h-1 further includes a plurality of upper cover pins h-14 extending to the base h-2, and the base h-2 includes a plurality of base auxiliary insertion holes h-26; the upper cover pins h-14 are inserted into the base auxiliary insertion holes h-26 to realize the fixed connection of the upper cover h-1 and the base h-2, and the operation is simple. Further, one pair of side walls of the upper cover h-1 is provided with two upper cover pins h-14, and four upper cover pins h-14 are located at four vertices of a rectangle. One pair of side walls of the base h-2 is provided with two base auxiliary insertion holes h-26, and four base auxiliary insertion holes h-26 are located at four vertices of a rectangle.

[0156] As shown in Figures 25-28 , it is an embodiment of the auxiliary module f.

[0157] The auxiliary module f includes a module shell f0 and an auxiliary trigger lever f1-00 and a signal output mechanism arranged in the module shell f0, the auxiliary trigger lever f1-00 moves linearly to trigger the signal output mechanism; the auxiliary trigger lever f1-00 includes an auxiliary linkage f1-000, one end of the auxiliary linkage f1-000 extends out of the module shell f0 and is connected to the driving contact mechanism 5 for synchronous movement; when the switch device switches between the closed state and the open state, the driving contact mechanism 5 moves between the closed position and the open position, and at the same time, the auxiliary linkage f1-000 drives the auxiliary trigger lever f1-00 to move, so that the auxiliary trigger lever f1-00 triggers the signal output mechanism to change the working state. The transmission mode and structure of the auxiliary module f and the driving contact mechanism 5 are simple and reliable, and the reliable working of the auxiliary module f is ensured.

[0158] As shown in Figure 14 The transmission arm 5-001 of the support driven part 5-00 of the main contact support 5-0 is provided with a support linkage hole 5-0012, and one end of the auxiliary linkage f1-000 is inserted into the support linkage hole 5-0012; the module shell f0 is provided with a module shell opening through which the auxiliary linkage f1-000 passes; the sidewall of the main body shell h is provided with a main body shell opening through which the auxiliary linkage f1-000 passes and which is opposite to the module shell opening, and the main body shell opening is preferably arranged on the sidewall of the base h-2 of the main body shell h. Further, the auxiliary linkage f1-000 is used for plug-in cooperation with the driving contact mechanism 5 along a second direction, and the second direction is perpendicular to the moving direction of the auxiliary trigger lever f1-00.

[0159] The following is one implementation of the signal output mechanism:

[0160] The signal output mechanism includes at least one group of micro switches (not shown in the figure) arranged in the module shell f0, and the auxiliary trigger lever moves linearly to trigger the micro switches to switch the working state.

[0161] Specifically, the signal output mechanism includes two groups of micro switches arranged in the module shell f0, one group of which is a normally closed micro switch and the other group of which is a normally open micro switch. Further, the two groups of micro switches are arranged on the two sides of the moving plane of the auxiliary trigger lever f1-00. Alternatively, the signal output mechanism includes four groups of micro switches arranged in the module shell f0, two groups of which are located on one side of the moving plane of the auxiliary trigger lever f1-00 and the other two groups of which are located on the other side of the moving plane of the auxiliary trigger lever f1-00; among the four groups of micro switches, two groups are normally closed micro switches and the other two groups are normally open micro switches.

[0162] The following is another implementation of the signal output mechanism:

[0163] The signal output mechanism comprises an auxiliary contact system f1, which comprises an auxiliary movable contact f1-0 carried on an auxiliary trigger lever f1-00 and an auxiliary static contact mechanism f1-1 matched with the auxiliary movable contact f1-0, the auxiliary static contact mechanism f1-1 comprises two groups of auxiliary static contact assemblies respectively located on both sides of the moving plane of the auxiliary trigger lever f1-00, and the auxiliary trigger lever f1-00 drives the auxiliary movable contact f1-0 to move linearly so that the two ends of the auxiliary movable contact f1-0 are respectively closed and disconnected with the two groups of auxiliary static contact assemblies.

[0164] Further, the auxiliary movable contact f1-0 has the same structure as the movable contact 5-1; the auxiliary trigger lever f1-00 further comprises an auxiliary bearing part f1-001, one end of an auxiliary linkage part f1-000 is connected with the auxiliary bearing part f1-001, and the other end is used for linkage cooperation with a main contact support 5-0 of the main movable contact mechanism 5, and the auxiliary bearing part f1-001 has the same structure as a support bearing part 5-01 of the main contact support 5-0.

[0165] Further, the auxiliary static contact assembly has the same structure as the main static contact assembly 6-0.

[0166] Further, the signal output mechanism further comprises an auxiliary arc extinguishing mechanism, which has the same structure as the arc extinguishing mechanism of the switch main body z.

[0167] Further, the module shell f0 comprises a module cover f0-1 and a module base f0-2, and the module cover f0-1 and the module base f0-2 are relatively spliced together along the moving direction of the auxiliary trigger lever f1-00.

[0168] As shown in Figure 25 , the module shell f0 further comprises an auxiliary buckle structure, which is used for buckle cooperation with a shell (main body shell h) of the switch device, so as to facilitate installation and disassembly of the auxiliary module f.

[0169] As shown in Figure 2 , 4 -6, which is a layout mode of the switch device of the embodiment.

[0170] In the switch device of the embodiment, the upper cover h-1 and the base h-2 of the main body shell h are relatively spliced together along the height direction d3 of the switch device, the operating mechanism m and the main contact support 5-0 are sequentially arranged along the height direction d3 of the switch device, the switch main body z and the auxiliary module f are arranged side by side along the width direction d2 of the switch device, and the two static contacts 6-00 of the contact system of the switch main body z are arranged side by side along the length direction d1 of the switch device and located on both sides of the main contact support 5-0. Further, the switch main body z comprises two or more groups of contact systems, and each contact system is arranged side by side along the width direction d2 of the switch device.

[0171] 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.

[0172] 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 scope of protection of the present application.

Claims

1. An operating device having a closed state and an open state, comprising an operating mechanism (m) and a main contact support (5-0); the operating mechanism (m) comprises a rotating shaft (1), a connecting rod (2), and a drive shaft (4) coaxially arranged about an axis ss, and an energy storage structure (3); the rotating shaft (1) has a first position, an intermediate position, and a second position arranged sequentially along its rotation direction, and the connecting rod (2) has a third position and a fourth position arranged sequentially along its rotation direction; the operating device in the closed state, the rotating shaft (1) in The first position and the connecting rod (2) is in the third position; when the operating device is in the open state, the rotating shaft (1) is in the second position and the connecting rod (2) is in the fourth position; the rotating shaft (1) is driven by external force to rotate from the first position or the second position to the middle position so that the energy storage structure (3) stores energy and the connecting rod (2) remains stationary during the energy storage process of the energy storage structure (3). When the rotating shaft (1) is in the middle position, the energy storage structure (3) stores the maximum energy. After the rotating shaft (1) rotates past the middle position, the energy storage structure (3) releases energy and drives the rotating shaft (1) and the connecting rod (2) to rotate relative to each other. Its features are: The drive shaft (4) is synchronously rotated with the connecting rod (2) and is connected to the main contact support (5-0) to drive it to move linearly along the extension direction of the axis ss.

2. The operating device according to claim 1, characterized in that: When the rotating shaft (1) is in the first position and the second position, it is respectively engaged with the housing of the operating device to keep the rotating shaft (1) in the corresponding position; and / or, when the connecting rod (2) is in the third position and the fourth position, it is respectively engaged with the housing of the operating device to keep the connecting rod (2) in the corresponding position.

3. The operating device according to claim 2, characterized in that: In the closed and open states, the operating device uses a limiting engagement between the rotating shaft (1) and the connecting rod (2) or the drive shaft (4) to prevent the rotating shaft (1) and the connecting rod (2) from rotating relative to each other.

4. The operating device according to claim 2, characterized in that: The operating device includes at least one set of first positioning structures. The first positioning structure includes two first positioning surfaces and two first stop surfaces. One of the first positioning surfaces and the first stop surfaces is set on the rotating shaft (1) and the other is set on the housing of the operating device. The two first positioning surfaces are arranged in sequence around the axis ss and are respectively the first closing positioning surface and the first opening positioning surface. The two first stop surfaces are arranged in sequence around the axis ss and are respectively the first closing stop surface and the first opening stop surface. When the rotating shaft (1) is in the first position, the first closing positioning surface and the first closing stop surface are in a limiting engagement. When the rotating shaft (1) is in the second position, the first opening positioning surface and the first opening stop surface are in a limiting engagement.

5. The operating device according to claim 4, characterized in that: The rotating shaft (1) includes a rotating shaft body (1-0) rotatably arranged around the axis ss and at least one set of first positioning parts (1-1). The first positioning parts (1-1) are arranged on the circumferential sidewall of the rotating shaft body (1-0). The first positioning parts (1-1) include two first positioning surfaces respectively arranged on its two sides. The housing of the operating device includes a housing shaft hole (h-16) for the rotating shaft (1) to be inserted. At least one set of housing positioning grooves (h-11) is provided on the sidewall of the housing shaft hole (h-16). A first stop surface is provided at each end of the housing positioning groove (h-11). The first positioning parts (1-1) and the housing positioning grooves (h-11) are matched one-to-one. The first positioning parts (1-1) are movably inserted into the housing positioning grooves (h-11).

6. The operating device according to claim 2, characterized in that: The housing of the operating device has a pair of side walls located on both sides of the connecting rod (2) and are respectively the first positioning side wall and the second positioning side wall; when the connecting rod (2) is in the third position and the fourth position, at least one of the two ends of the connecting rod (2) is respectively limited to the first positioning side wall and the second positioning side wall.

7. The operating device according to claim 3, characterized in that: The operating device includes at least one set of second positioning structures. The second positioning structure includes two second positioning surfaces and two second stop surfaces. One of the second positioning surfaces and the second stop surfaces is set on the rotating shaft (1) and the other is set on the connecting rod (2). The two second positioning surfaces are arranged in sequence around the axis ss and are respectively the second closing positioning surface and the second opening positioning surface. The two second stop surfaces are arranged in sequence around the axis ss and are respectively the second closing stop surface and the second opening stop surface. When the operating device is in the closing state, the second closing positioning surface and the second closing stop surface are in a limiting cooperation. When the operating device is in the opening state, the second opening positioning surface and the second opening stop surface are in a limiting cooperation.

8. The operating device according to claim 7, characterized in that: The connecting rod (2) includes a connecting rod bearing part (2a), which includes a second side plate (2-1a). The second side plate (2-1a) has a second connecting rod shaft hole (2-10a) for the shaft (1) to be inserted in the middle. A pair of connecting rod stops (2-11a) are provided on the side wall of the second connecting rod shaft hole (2-10a). Each of the two connecting rod stops (2-11a) has a second stop surface. The shaft (1) includes a shaft body (1-0) and at least one set of second positioning parts (1-3). The second positioning parts (1-3) are movably inserted between the two connecting rod stops (2-11a) and include two second positioning surfaces respectively provided on both sides of them.

9. The operating device according to claim 1, characterized in that: The energy storage structure (3) is disposed between the rotating shaft (1) and the connecting rod (2); The energy storage structure (3) includes at least one energy storage spring (3-0), and the two ends of the energy storage spring (3-0) are respectively connected to the rotating shaft (1) and the connecting rod (2); the energy storage spring (3-0) has a dead point position, and the rotating shaft (1) rotates from the first position or the second position to the middle position so that the energy storage spring (3-0) moves to the dead point position and stores the maximum energy; The energy storage spring (3-0) is a linear compression spring. When the energy storage spring (3-0) is at the dead point position, the geometric axis of the linear compression spring intersects and is coplanar with the axis ss. The energy storage structure (3) includes two energy storage springs (3-0), which are arranged on both radial sides of the rotating shaft (1); The connecting rod (2) includes a connecting rod bearing part (2a), which includes a bearing part connecting bridge (2-2a). The two bearing part connecting bridges (2-2a) are located on the radial sides of the rotating shaft (1). The rotating shaft (1) includes a rotating shaft body (1-0) and a rotating shaft mounting seat (1-2) that are rotatably arranged around the axis ss. The two rotating shaft mounting seats (1-2) are arranged on the circumferential side of the rotating shaft body (1-0) and located on the radial sides of the rotating shaft body (1-0). The two energy storage springs (3-0) are arranged on the radial sides of the rotating shaft (1). The two ends of each energy storage spring (3-0) are rotatably connected to the corresponding bearing part connecting bridge (2-2a) and rotating shaft mounting seat (1-2). The rotation angle of the rotating shaft (1) when switching between the first position and the second position is 90°, and the rotation angle of the rotating shaft (1) when switching from the first position or the second position to the intermediate position is 70° to 80°; and / or, the rotation angle of the connecting rod (2) when switching between the third position and the fourth position is 45° to 90°. The connecting rod (2) and the drive shaft (4) are either an integral or separate structure; The connecting rod (2) and the drive shaft (4) are separate structures; the connecting rod (2) includes a connecting rod connecting part 2b, and the connecting rod connecting part (2b) and the drive shaft (4) are inserted into each other along the extension direction of the axis ss; The connecting rod connection part (2b) further includes at least one set of connecting rod claws (2-1b) disposed on the circumferential side surface of the connecting rod connection part (2b); the drive shaft (4) includes a drive shaft drive part (4b) that is connected to the active contact mechanism (5) for transmission, the drive shaft drive part (4b) includes a second drive shaft insertion hole (4-2b), and at least one set of drive shaft connecting grooves (4-3b) are provided on the side wall of the second drive shaft insertion hole (4-2b); the connecting rod connection part (2b) is inserted into the second drive shaft insertion hole (4-2b), and the connecting rod claws (2-1b) are inserted into the drive shaft connecting grooves (4-3b) and are interference-fitted with them; The connecting rod connection part (2b) has a cylindrical structure; the driving shaft drive part (4b) includes a first driving shaft insertion hole (4-0b), a driving shaft partition wall (4-1b), and a second driving shaft insertion hole (4-2b) arranged coaxially from the inside to the outside. The first driving shaft insertion hole (4-0b) is a cylindrical insertion hole, the driving shaft partition wall (4-1b) has a cylindrical structure, and the second driving shaft insertion hole (4-2b) is an annular insertion hole; the connecting rod connection part (2b) is inserted into the second driving shaft insertion hole (4-2b), and the driving shaft partition wall (4-1b) is inserted into the connecting rod connection part (2b). The rotating shaft (1) is rotatably inserted into the first driving shaft insertion hole (4-0b); The drive shaft (4) further includes two sets of drive bearing carriers (4a) respectively disposed on the radial sides of the drive shaft drive part (4b) and located at one axial end of the drive shaft drive part (4b). The drive bearing carrier (4a) includes a drive bearing plate (4-0a) and a drive shaft baffle (4-1a). The two drive shaft baffles (4-1a) are disposed opposite to each other on one side of the drive bearing plate (4-0a). The plane of the drive bearing plate (4-0a) is perpendicular to the axis ss. The connecting rod (2) further includes a connecting rod bearing part (2a). a) Includes a second side plate (2-1a) of the bearing part, the plane of the second side plate (2-1a) of the bearing part is perpendicular to the axis ss, the connecting rod connection part (2b) is connected to the second side plate (2-1a) of the bearing part, both ends of the second side plate (2-1a) of the bearing part are respectively engaged with two drive bearing carriers (4a), each end of the second side plate (2-1a) of the bearing part is stacked with the corresponding drive bearing carrier (4-0a) along the axis ss, and is located between the two corresponding drive shaft baffles (4-1a) and is limited to the two corresponding drive shaft baffles (4-1a); When the connecting rod (2) is in the third and fourth positions, the two drive bearing loads (4a) respectively engage with a pair of side walls of the housing of the operating device; The drive shaft (4) includes a drive shaft drive part (4b) that is coaxially and synchronously rotated with the connecting rod (2). The drive shaft drive part (4b) is connected to the main contact support (5-0) through at least one set of first transmission structures. The first transmission structure includes a drive groove (4-4b) and a transmission part (5-000). The drive groove (4-4b) is a spiral groove and its axis coincides with the axis ss. The transmission part (5-000) is movably disposed in the drive groove (4-4b). One of the drive groove (4-4b) and the transmission part (5-000) is disposed on the drive shaft (4) and the other is disposed on the main contact support (5-0). In the first transmission structure, the drive groove (4-4b) is provided on the circumferential side of the drive shaft drive part (4b), and the transmission part (5-000) is provided on the main contact support (5-0). The main contact support (5-0) includes a support driven part (5-00). Two sets of support driven parts (5-00) are arranged opposite to each other and are located on the radial sides of the drive shaft drive part (4b). The drive shaft drive part (4b) is connected to the two sets of support driven parts (5-00) through two sets of first transmission structures. The main contact support (5-0) also includes a circuit breaker opening and closing indicator structure (5-0013). The housing of the operating device is provided with an indicator window (h-10). The circuit breaker opening and closing indicator structure (5-0013) cooperates with the indicator window (h-10) to indicate the current position of the main contact support (5-0). The rotating shaft (1), connecting rod (2), drive shaft (4) and main contact support (5-0) are arranged sequentially along the extension direction of axis ss; The connecting rod (2) has a T-shaped structure and includes a connecting rod bearing part (2a) and a connecting rod connecting part (2b). The connecting rod bearing part (2a) is arranged in a cross shape with the axis ss. The connecting rod bearing part (2a) includes a first side plate (2-0a), a second side plate (2-1a), and a connecting bridge (2-2a). The first side plate (2-0a) and the second side plate (2-1a) are arranged at intervals relative to each other along the extension direction of the axis ss. The first side plate (2-0a) of the load-bearing part and the second side plate (2-1a) of the load-bearing part are each connected by a set of load-bearing part connecting bridges (2-2a), and the two sets of load-bearing part connecting bridges (2-2a) are located on the radial sides of the rotating shaft (1); the energy storage structure (3) includes two sets of energy storage springs (3-0) respectively arranged on the radial sides of the rotating shaft (1), and the two ends of each energy storage spring (3-0) are respectively connected to the rotating shaft (1) and the corresponding load-bearing part connecting bridge (2-2a); The drive shaft (4) includes a drive bearing support (4a) and a drive shaft drive (4b). Two sets of drive bearing supports (4a) are arranged on the radial sides of one axial end of the drive shaft drive (4b). The two ends of the second side plate (2-1a) of the bearing part are respectively limited and cooperated with the two sets of drive bearing supports (4a) to prevent the connecting rod (2) from rotating relative to the drive shaft (4). The connecting rod connecting part (2b) is inserted into the middle of the drive shaft drive (4b) and limited and cooperated with it to prevent the connecting rod 2 from rotating relative to the drive shaft (4). The rotating shaft (1) and the connecting rod bearing part (2a) are arranged in a cross shape. One end of the rotating shaft (1) passes through the middle of the first side plate (2-0a) and the second side plate (2-1a) of the bearing part and is rotatably inserted into the middle of the drive shaft driving part (4b). The main contact support (5-0) includes a support driven part (5-00) and at least one set of support bearing parts (5-01). The two sets of support driven parts (5-00) are respectively arranged on both radial sides of the drive shaft drive part (4b) and are connected to it for transmission. The support bearing part (5-01) is connected to the support driven part (5-00) and is used to bear the moving contact (5-1).

10. A switching device comprising a switching body (z); characterized in that: The switch body (z) includes the operating device as described in any one of claims 1-9; the switch body (z) also includes at least one set of contact systems, the contact system including a moving contact (5-1) supported on the main contact support (5-0) and a stationary contact (6-00) used in conjunction with the moving contact (5-1), the two sets of stationary contacts (6-00) being arranged on both sides of the active contact mechanism (5); The switch body (z) also includes an arc-extinguishing chamber (7) that is used in a one-to-one cooperation with the stationary contact (6-00). Each arc-extinguishing chamber (7) is disposed between the moving contact (5-1) and the corresponding stationary contact (6-00). The arc-extinguishing chamber (7) includes at least two arc-extinguishing grid plates (7-1) arranged side by side at intervals along the extension direction of the axis ss. The stationary contact (6-00) includes a stationary contact blade (6-000) and a stationary terminal block (6-001). The stationary terminal block (6-001) is located on one side of the corresponding arc-extinguishing chamber (7) along the extension direction of the axis ss and is arranged side by side at intervals with the corresponding arc-extinguishing grid plate (7-1) along the extension direction of the axis ss. One end of the stationary contact blade (6-000) is bent vertically and connected to the stationary terminal block (6-001), and the other end extends to the arc inlet of the arc-extinguishing chamber (7). The switching device also includes an auxiliary module (f) arranged side by side with the switch body (z). The auxiliary module (f) includes an auxiliary trigger rod (f1), which is connected to the main contact support (5-0) and moves synchronously. When the switching device switches between the closed state and the open state, the main contact support (5-0) drives the auxiliary module (f) to switch the working state through the auxiliary trigger rod (f1). The rotating shaft (1), connecting rod (2), drive shaft (4) and main contact support (5-0) are arranged sequentially along the height direction d3 of the switching device. The auxiliary module (f) and the switch body (z) are arranged side by side along the width direction d2 of the switching device. The two stationary contacts (6-00) of the contact system are arranged side by side along the length direction d1 of the switching device and located on both sides of the main contact support (5-0).

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