Operating device and change-over switch

Abstract

The embodiment of the invention provides an operating device and a change-over switch, and relates to the technical field of low-voltage electric appliances. The operating device comprises a support, a main shaft, a first driving mechanism, a second driving mechanism, a movable part and an unlocking part. The support is provided with a first limiting part and a second limiting part. The first driving mechanism comprises a first electromagnet and a first energy storage connecting rod structure; the second driving mechanism comprises a second electromagnet and a second energy storage connecting rod structure; the first energy storage connecting rod structure is used for being matched with the first limiting piece in an abutting mode, and the second energy storage connecting rod structure is used for being matched with the second limiting piece in an abutting mode to form a locking state; the first energy storage connecting rod structure is provided with a first connecting shaft, and the second energy storage connecting rod structure is provided with a second connecting shaft. The movable part is movably arranged on the support, and the unlocking part is used for actuating the first connecting shaft or the second connecting shaft so as to unlock the locking state. The connecting rod structure can be unlocked, effective transmission of impact force is guaranteed, damage to the connecting rod structure is reduced, and the reliability of the change-over switch is improved.

Description

Technical Field

[0001] This invention relates to the field of low-voltage electrical technology, and more specifically, to an operating device and a changeover switch. Background Technology

[0002] As a widely used terminal electrical device, the transfer switch can be divided into three main types according to its control method: automatic, manual, and automatic / manual combination. This device mainly uses an operating device to drive the contact mechanism to perform opening and closing actions, thereby achieving the switching between the main power supply and the backup power supply, ensuring the safe operation of the power system and the continuous stability of the production process.

[0003] This operating device is typically equipped with a linkage mechanism that features limit locking to prevent premature contact separation caused by the energy storage spring during the initial opening phase. To ensure reliable disconnection, the device usually also includes an assist structure designed to apply impact force to the main shaft. However, because the impact occurs before the linkage mechanism unlocks, the impact force is absorbed by the linkage mechanism and cannot be effectively transmitted to the contacts through the main shaft. This not only leads to the failure of the impact action but may also cause structural damage to the linkage mechanism due to excessive impact force, affecting the overall reliability of the changeover switch. Summary of the Invention

[0004] The purpose of this invention is to provide an operating device and a changeover switch that can forcibly unlock the linkage structure, ensure the effective transmission of impact force, reduce the damage of impact force to the linkage structure, and improve the overall reliability of the changeover switch operation.

[0005] The embodiments of the present invention are implemented as follows: In a first aspect, the present invention provides an operating device, comprising: The bracket is provided with a first limiting member and a second limiting member; A main shaft, which is rotatably mounted on the bracket; The first driving mechanism includes a first electromagnet and a first energy storage link structure connected to each other. The first electromagnet is disposed on the bracket, and the first energy storage link structure is rotatably connected to the bracket and connected to the main shaft. The first energy storage link structure is used to abut against the first limiting member to form a locking state, and the first energy storage link structure is provided with a first connecting shaft. The second driving mechanism includes a second electromagnet and a second energy storage link structure connected to each other. The second electromagnet is disposed on the bracket, and the second energy storage link structure is rotatably connected to the bracket and connected to the main shaft. The second energy storage link structure is used to abut against the second limiting member to form a locking state, and the second energy storage link structure is provided with a second connecting shaft. A movable component, movably disposed on the bracket, and connected to both the first energy storage linkage structure and the second energy storage linkage structure; and The unlocking component is connected to the movable component; the unlocking component is used to move relative to the bracket under the drive of the movable component moving relative to the bracket by the first electromagnet or the second electromagnet, so as to actuate the first connecting shaft or the second connecting shaft, thereby releasing the locking state.

[0006] In an optional embodiment, the unlocking member is disposed on the main shaft, and there is a free stroke between the unlocking member and the main shaft. The unlocking member is used to abut against the first connecting shaft or the second connecting shaft before the free stroke is completed, so as to release the locking state.

[0007] In an optional embodiment, the unlocking component includes a first unlocking part, a connecting part, and a second unlocking part connected in sequence. The first unlocking part is used to actuate the first connecting shaft, and the second unlocking part is used to actuate the second connecting shaft. The connecting part is connected to the movable component, and the main shaft passes through the connecting part.

[0008] In an optional embodiment, the first unlocking part has a first actuation groove on the side near the movable member, the first actuation groove being used to cooperate with the first connecting shaft; and / or, The second unlocking part has a second actuation groove on the side near the movable part, and the second actuation groove is used to cooperate with the second connecting shaft.

[0009] In an optional embodiment, the bracket has a first arc-shaped groove and a second arc-shaped groove spaced apart, the first connecting shaft is slidably disposed in the first arc-shaped groove, and the second connecting shaft is slidably disposed in the second arc-shaped groove.

[0010] In an optional embodiment, the first energy storage linkage structure includes a first closing lever, a first upper linkage, a first lower linkage, and a first energy storage elastic element. The first closing lever, the first upper linkage, the first lower linkage, and the main shaft are hinged sequentially. A first connecting shaft is provided at the hinge point between the first upper linkage and the first lower linkage. Both ends of the first energy storage elastic element are respectively connected to the first closing lever and the first connecting shaft. The first closing lever and the first upper linkage are rotatably connected to the bracket. The first electromagnet is movably connected to the first closing lever. The second energy storage linkage structure includes a second closing lever, a second upper linkage, a second lower linkage, and a second energy storage elastic element. The second closing lever, the second upper linkage, the second lower linkage, and the main shaft are hinged sequentially. A second connecting shaft is provided at the hinge point between the second upper linkage and the second lower linkage. Both ends of the second energy storage elastic element are respectively connected to the second closing lever and the second connecting shaft. The second closing lever and the second upper linkage are rotatably connected to the bracket. The second electromagnet is movably connected to the second closing lever. The first closing lever, the movable component, and the second closing lever are sequentially hinged; the first upper connecting rod is used to abut against the first limiting component, and the second upper connecting rod is used to abut against the second limiting component to form the locking state.

[0011] In an optional embodiment, the operating device further includes a linkage component connected to the movable component, the linkage component being disposed on the main shaft and fixedly connected to the unlocking component; The linkage has a free stroke between itself and the main shaft. The first drive mechanism or the second drive mechanism is used to drive the movable part to move relative to the bracket, thereby driving the linkage to move. After the free stroke is completed, the linkage drives the main shaft to rotate to assist the main shaft to move.

[0012] In an optional embodiment, the linkage has a rotating hole, and the peripheral wall of the rotating hole is provided with a first actuating part and a second actuating part that are spaced apart; the spindle includes a spindle body and a rotating part, the spindle body is rotatably mounted on the bracket, and the rotating part is sleeved on the spindle body and rotatably mounted in the rotating hole; The rotating member is provided with a rotating protrusion, which is located between the first actuating part and the second actuating part. After the linkage member completes its idle stroke, the first actuating part or the second actuating part abuts against the rotating protrusion.

[0013] In an optional embodiment, the spindle includes a spindle body and a rotating component. The spindle body is rotatably mounted on the bracket, the rotating component is sleeved on the spindle body, and the linkage component and the unlocking component are both sleeved on the rotating component.

[0014] In an optional embodiment, the spindle body has a socket located on the side of the movable member away from the unlocking member; the spindle also includes a pin disposed in the socket, and the rotating member is located between the pin and the bracket.

[0015] In an optional embodiment, the movable component includes a movable plate and a connecting plate connected to each other. The movable plate is movably disposed on the bracket, and the first energy storage linkage structure, the movable plate, and the second energy storage linkage structure are sequentially hinged. The connecting plate is movably connected to the linkage component.

[0016] Secondly, the present invention provides a changeover switch, including the operating device described in any of the foregoing embodiments.

[0017] The beneficial effects of the embodiments of the present invention include: When the first or second electromagnet of the operating device is energized, it drives the first or second energy storage linkage structure to rotate relative to the support, thereby causing the movable part to move relative to the support. During this movement, the movable part further pushes the second or first energy storage linkage structure to rotate relative to the support. Through the cooperation of the unlocking component and the movable part, the driving force of the electromagnet can also be transmitted to the unlocking component via the movable part, causing the unlocking component to move relative to the support. This actuates the first or second connecting shaft, thereby separating the first energy storage linkage structure from the first limiting component, or separating the second energy storage linkage structure from the second limiting component, thus releasing their locked state. In other words, through the cooperation between the electromagnet, the energy storage linkage structure, the movable part, the unlocking component, the limiting component, and the connecting shaft, the linkage structure can be forcibly unlocked, improving the overall reliability of the changeover switch operation.

[0018] The changeover switch includes an operating device that has all the beneficial effects of that operating device. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of the operating device provided in an embodiment of the present invention; Figure 2 This is a partial structural schematic diagram of the operating device provided in an embodiment of the present invention; Figure 3 An exploded view of the operating device provided in an embodiment of the present invention; Figure 4 This is an assembly diagram of the spindle and linkage components provided in an embodiment of the present invention; Figure 5 This is an assembly diagram of the spindle, unlocking component, and linkage component provided in an embodiment of the present invention. Figure 6 A schematic diagram of a first structure of the operating device in the closed state according to an embodiment of the present invention; Figure 7 This is a schematic diagram of a second structure of the operating device in the closed state according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the operating device provided in an embodiment of the present invention starting to unlock; Figure 9 This is a schematic diagram of the operating device after it has been unlocked, as provided in an embodiment of the present invention.

[0021] Icons: 100-Operating device; 10-Bracket; 11-First bracket; 12-Second bracket; 13-Fixed shaft; 14-Limiting shaft; 15-First limiting component; 16-Second limiting component; 17-First arc-shaped groove; 18-Second arc-shaped groove; 20-Main shaft; 21-Main shaft body; 22-Rotating component; 221-Rotating protrusion; 23-Pin; 24-Main shaft seat; 30-First drive mechanism; 31-First electromagnet; 32-First energy storage linkage structure; 321-First closing lever; 322-First upper linkage; 323-First lower linkage; 324-First energy storage elastic component; 325-First connecting shaft; 4 0-Second drive mechanism; 41-Second electromagnet; 42-Second energy storage linkage structure; 421-Second closing lever; 422-Second upper linkage; 423-Second lower linkage; 424-Second energy storage elastic element; 425-Second connecting shaft; 50-Moving element; 51-Moving plate; 511-Moving groove; 52-Connecting plate; 521-Third connecting shaft; 60-Unlocking element; 61-First unlocking part; 611-First actuation groove; 62-Connecting part; 63-Second unlocking part; 631-Second actuation groove; 70-Linkage element; 71-Guide hole; 72-First actuation part; 73-Second actuation part; 74-Rotation hole. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0024] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0025] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0026] Furthermore, terms such as "horizontal" and "vertical" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0027] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0028] As described in the background section, the operating device of a changeover switch is typically equipped with a linkage mechanism with a limit locking function. This mechanism aims to prevent premature contact separation caused by the energy storage spring during the initial opening phase. To ensure reliable disconnection, the operating device also generally includes an assist structure designed to apply impact force to the main shaft. However, because the impact action occurs before the linkage mechanism unlocks, the impact force is absorbed by the linkage mechanism and cannot be effectively transmitted to the contacts through the main shaft. This not only leads to the failure of the impact action but may also cause structural damage to the linkage mechanism due to excessive impact force, affecting the overall reliability of the changeover switch operation.

[0029] Based on this, please refer to Figures 1-9The present invention provides an operating device 100 and a changeover switch, which can effectively improve the aforementioned technical problems. Specifically, it can forcibly unlock the linkage structure, thereby improving the overall reliability of the changeover switch operation. The operating device 100 and the changeover switch will be described in detail below.

[0030] This embodiment provides a changeover switch (not shown in the figure). The changeover switch includes an operating device 100 and a contact device. The operating device 100 is used to drive the contact device to perform opening and closing actions to realize the switching between the main power supply and the backup power supply, thereby ensuring the safe operation of the power system and the continuous stability of the production process.

[0031] Please refer to Figures 1-3 , Figure 1 This is a schematic diagram of the structure of the operating device 100 provided in this embodiment. Figure 2 This is a partial structural schematic diagram of the operating device 100 provided in this embodiment. Figure 3 This is an exploded view of the operating device 100 provided in this embodiment. (In conjunction with...) Figures 1-3 The operating device 100 includes a bracket 10, a main shaft 20, a first drive mechanism 30, a second drive mechanism 40, a movable part 50, and an unlocking part 60. The bracket 10 is provided with a first limiting part 15 and a second limiting part 16. The main shaft 20 is rotatably mounted on the bracket 10.

[0032] Specifically, the first drive mechanism 30 includes a first electromagnet 31 and a first energy storage link structure 32 connected together. The first electromagnet 31 is disposed on the bracket 10, and the first energy storage link structure 32 is rotatably connected to the bracket 10 and connected to the main shaft 20. The first energy storage link structure 32 is used to abut against the first limiting member 15 to form a locked state, and the first energy storage link structure 32 is provided with a first connecting shaft 325. The second drive mechanism 40 includes a second electromagnet 41 and a second energy storage link structure 42 connected together. The second electromagnet 41 is disposed on the bracket 10, and the second energy storage link structure 42 is rotatably connected to the bracket 10 and connected to the main shaft 20. The second energy storage link structure 42 is used to abut against the second limiting member 16 to form a locked state, and the second energy storage link structure 42 is provided with a second connecting shaft 425. The movable component 50 is movably mounted on the bracket 10 and is connected to the first energy storage link structure 32 and the second energy storage link structure 42 respectively. The unlocking component 60 is connected to the movable component 50. The unlocking component 60 is used to move the movable component 50 relative to the bracket 10 under the drive of the first electromagnet 31 or the second electromagnet 41, thereby actuating the first connecting shaft 325 or the second connecting shaft 425 and releasing the locking state.

[0033] It is easy to understand that when the first electromagnet 31 or the second electromagnet 41 is energized, it can drive the first energy storage link structure 32 or the second energy storage link structure 42 to rotate relative to the bracket 10, and drive the movable part 50 to move relative to the bracket 10. During the movement of the movable part 50, it pushes the second energy storage link structure 42 or the first energy storage link structure 32 to rotate relative to the bracket 10. During this process, by setting the unlocking part 60 to cooperate with the movable part 50, the driving force of the electromagnet can also be transmitted to the unlocking part 60 through the movable part 50, so that the unlocking part 60 moves relative to the bracket 10, thereby actuating the first connecting shaft 325 or the second connecting shaft 425, thereby separating the first energy storage link structure 32 from the first limiting part 15, or separating the second energy storage link structure 42 from the second limiting part 16, thus releasing the locking state of both.

[0034] In other words, through the cooperation between the electromagnet, the energy storage linkage structure, the moving part 50, the unlocking part 60, the limiting part and the connecting shaft, the linkage structure can be forcibly unlocked, which improves the overall reliability of the changeover switch operation.

[0035] Furthermore, the unlocking component 60 is disposed on the spindle 20 and has a free stroke between it and the spindle 20. The unlocking component 60 is used to abut against the first connecting shaft 325 or the second connecting shaft 425 before the free stroke is completed, so as to release the locking state and prevent the spindle 20 from jamming.

[0036] Furthermore, the operating device 100 also includes a linkage 70, which is connected to the movable member 50. The linkage 70 is disposed on the main shaft 20 and fixedly connected to the unlocking member 60. There is a free stroke between the linkage 70 and the main shaft 20. The first drive mechanism 30 or the second drive mechanism 40 drives the movable member 50 to move relative to the bracket 10, thereby driving the linkage 70 to move. After completing the free stroke, the linkage 70 drives the main shaft 20 to rotate, thus assisting the movement of the main shaft 20.

[0037] It should be noted that the linkage 70 can be understood as the aforementioned assist structure. In this embodiment, the linkage 70 is movably disposed on the main shaft 20, and there is a rotational free stroke between the linkage 70 and the main shaft 20. It is easy to understand that under the driving action of the electromagnet, the movable part 50 is pushed relative to the bracket 10 through the first energy storage link structure 32 or the second energy storage link structure 42, thereby driving the linkage 70 to rotate relative to the main shaft 20. In the initial stage of rotation, it is a rotational free stroke process. During this process, the linkage 70 will not impact the main shaft 20, that is, the main shaft 20 will not rotate. Instead, the linkage 70 first drives the unlocking part 60 to rotate, while the energy storage link structure stores energy, thereby causing the unlocking part 60 to actuate the first connecting shaft 325 or the second connecting shaft 425, realizing the unlocking of the energy storage link structure. After unlocking is complete, the linkage 70 will complete its empty stroke and then impact the main shaft 20, providing assistance to the main shaft 20 and causing the main shaft 20 to rotate relative to the bracket 10, thereby increasing the initial contact speed and preventing the main shaft 20 from jamming.

[0038] In other words, the unlocking process of the unlocking component 60 to unlock the linkage structure occurs before the linkage component 70 impacts the main shaft 20. Therefore, it can prevent the impact force from being absorbed by the linkage mechanism, ensure that the impact force can be effectively transmitted to the contact device through the main shaft 20, and reduce damage to the linkage structure, thereby improving the overall operational reliability of the changeover switch.

[0039] Please refer to Figure 4 and Figure 5 , Figure 4 This is an assembly diagram of the spindle 20 and the linkage 70 provided in this embodiment. Figure 5 This is an assembly diagram of the spindle 20, unlocking component 60, and linkage component 70 provided in this embodiment, combined with... Figures 3-5 The linkage 70 has a rotating hole 74, and the peripheral wall of the rotating hole 74 is provided with a first actuating part 72 and a second actuating part 73 that are spaced apart; the spindle 20 includes a spindle body 21 and a rotating part 22. The spindle body 21 is rotatably mounted on the bracket 10, and the rotating part 22 is sleeved on the spindle body 21 and rotatably mounted in the rotating hole 74.

[0040] The rotating member 22 is provided with a rotating protrusion 221, which is located between the first actuating part 72 and the second actuating part 73. After the linkage member 70 completes its idle stroke, the first actuating part 72 or the second actuating part 73 abuts against the rotating protrusion 221.

[0041] Understandably, the movable component 50 drives the linkage component 70 to rotate relative to the bracket 10, allowing the first actuating part 72 or the second actuating part 73 to abut against the rotating protrusion 221. When the two abut against each other, the first actuating part 72 or the second actuating part 73 will impact the rotating protrusion 221, thereby driving the rotating component 22 and the main shaft body 21 to rotate as a whole. This impact force can increase the initial breaking speed of the contacts, enabling the contacts to break normally, thus ensuring the normal opening function of the transfer switch and improving the reliability and electrical safety of the transfer switch.

[0042] It should be noted that the stroke of the rotating protrusion 221 between the first actuating part 72 and the second actuating part 73 can be understood as the aforementioned idle stroke. During this stroke, the rotating protrusion 221 does not abut against the first actuating part 72 or the second actuating part 73. At this time, the iron core of the first electromagnet 31 or the second electromagnet 41 has just begun to extend, driving the first energy storage link structure 32 and the second energy storage link structure 42 to store energy. Then the iron core continues to extend, and at the end of the stroke of the iron core, the rotating protrusion 221 abuts against the first actuating part 72 or the second actuating part 73. Since the force redundancy at the end of the stroke of the electromagnet iron core is relatively large, the impact force on the rotating protrusion 221 is large and the impact effect is good. Therefore, this embodiment uses the cooperation of the movable part 50 and the linkage part 70 to transmit this large impact force to the spindle 20, thereby increasing the initial speed of the spindle 20.

[0043] Please continue to combine Figures 3-5 Specifically, the unlocking component 60 includes a first unlocking part 61, a connecting part 62, and a second unlocking part 63 connected in sequence. The first unlocking part 61 is used to actuate the first connecting shaft 325, and the second unlocking part 63 is used to actuate the second connecting shaft 425. The connecting part 62 is connected to the movable component 50, and the main shaft 20 passes through the connecting part 62.

[0044] Understandably, in this embodiment, the connecting part 62 is indirectly connected to the movable part 50 through the linkage 70. When the unlocking part 60 rotates clockwise under the action of the linkage 70, the first unlocking part 61 actuates the first connecting shaft 325, thereby unlocking and separating the first energy storage link structure 32 from the first limiting member 15. Conversely, when the unlocking part 60 rotates counterclockwise, the second unlocking part 63 actuates the second connecting shaft 425, thereby unlocking and separating the second energy storage link structure 42 from the second limiting member 16.

[0045] To improve the actuation effect and enhance stability during the unlocking process, the first unlocking part 61 has a first actuation groove 611 on the side near the movable member 50, which is used to cooperate with the first connecting shaft 325. Similarly, the second unlocking part 63 has a second actuation groove 631 on the side near the movable member 50, which is used to cooperate with the second connecting shaft 425.

[0046] It should be noted that, specifically in this embodiment, both the first actuation groove 611 and the second actuation groove 631 are arc-shaped groove structures, which can better cooperate with the first connecting shaft 325 and the second connecting shaft 425 to slide, further improving the stability during the unlocking process.

[0047] Please continue to combine Figure 3 Specifically, the first energy storage linkage structure 32 includes a first closing lever 321, a first upper linkage 322, a first lower linkage 323, and a first energy storage elastic element 324. The first closing lever 321, the first upper linkage 322, the first lower linkage 323, and the main shaft 20 are hinged in sequence. A first connecting shaft 325 is provided at the hinge point between the first upper linkage 322 and the first lower linkage 323. The two ends of the first energy storage elastic element 324 are respectively connected to the first closing lever 321 and the first connecting shaft 325. The first closing lever 321 and the first upper linkage 322 are rotatably connected to the bracket 10. The first electromagnet 31 is movably connected to the first closing lever 321.

[0048] The second energy storage linkage structure 42 includes a second closing lever 421, a second upper linkage 422, a second lower linkage 423, and a second energy storage elastic element 424. The second closing lever 421, the second upper linkage 422, the second lower linkage 423, and the main shaft 20 are hinged in sequence. A second connecting shaft 425 is provided at the hinge point between the second upper linkage 422 and the second lower linkage 423. The two ends of the second energy storage elastic element 424 are respectively connected to the second closing lever 421 and the second connecting shaft 425. The second closing lever 421 and the second upper linkage 422 are rotatably connected to the bracket 10. The second electromagnet 41 is movably connected to the second closing lever 421.

[0049] The first closing lever 321, the movable part 50, and the second closing lever 421 are hinged in sequence; the first upper connecting rod 322 is used to abut against the first limiting part 15, and the second upper connecting rod 422 is used to abut against the second limiting part 16 to form a locking state.

[0050] As is easily understood, the unlocking component 60 actuates the first connecting shaft 325 or the second connecting shaft 425, specifically by pushing the hinged position of the first upper connecting rod 322 and the first lower connecting rod 323 to move, or by pushing the hinged position of the second upper connecting rod 422 and the second lower connecting rod 423 to move, so that the first upper connecting rod 322 separates from the first limiting member 15 and the second upper connecting rod 422 separates from the second limiting member 16, thereby realizing the unlocking and separation operation of the two.

[0051] For a clearer explanation of the specific cooperation between the upper and lower connecting rods and the limiting and unlocking components 60, please refer to the unlocking process described above. Figures 6-9 , Figure 6This is a schematic diagram of the first structure of the operating device 100 in the closed state provided in this embodiment. Figure 7 This is a second structural diagram of the operating device 100 in the closed state provided in this embodiment. Figure 8 This is a schematic diagram showing the operation device 100 in this embodiment starting to unlock. Figure 9 This is a schematic diagram of the operating device 100 provided in this embodiment after it has been unlocked.

[0052] First, combined Figure 6 When the first electromagnet 31 is energized, its core extends, while the second electromagnet 41 is de-energized, its core retracts. That is, this working position can be understood as the main power supply being closed, and the second upper connecting rod 422 being locked in contact with the second limiting member 16, with the included angle θ1 between the second upper connecting rod 422 and the second lower connecting rod 423 being <180°. Combined with... Figure 7 And refer to Figure 5 When the second upper connecting rod 422 is locked in place by abutting the second limiting member 16, one end of the second connecting shaft 425 is located in the second actuation groove 631 of the second unlocking part 63, and there is a certain gap between it and the groove wall of the second actuation groove 631, and the two do not contact each other.

[0053] Next, combined Figure 8 At this time, the second electromagnet 41 is energized, and its iron core gradually extends out. It pushes the movable part 50 to move through the second closing lever 421, and drives the unlocking part 60 to move through the linkage part 70, so that the second unlocking part 63 abuts against the second connecting shaft 425, thereby starting the unlocking operation.

[0054] Furthermore, combined Figure 9 During its movement, the unlocking component 60 actuates the second connecting shaft 425 via the second unlocking part 63, thereby driving the second upper connecting rod 422 and the second lower connecting rod 423 to move, and causing relative rotation between them, that is, changing the included angle between them. Figure 9 As shown, at this time, the included angle θ2 between the second upper link 422 and the second lower link 423 is greater than 180°. This indicates that the direction of force between the two has changed, and the second upper link 422 separates from the second limiting member 16, thereby realizing the unlocking operation, reducing the impact force of the linkage member 70 on the link structure, and thus improving the overall operational reliability of the changeover switch.

[0055] Please continue to combine Figure 3In order to improve the actuation effect of the first connecting shaft 325 and the second connecting shaft 425 and further enhance the stability during the unlocking process, in this embodiment, the bracket 10 is provided with a first arc-shaped groove 17 and a second arc-shaped groove 18 spaced apart. The first connecting shaft 325 is slidably disposed in the first arc-shaped groove 17, and the second connecting shaft 425 is slidably disposed in the second arc-shaped groove 18.

[0056] Furthermore, through the driving action of the first electromagnet 31, the force can be transmitted sequentially through the first closing lever 321, the first upper connecting rod 322, and the first lower connecting rod 323 to store energy in the first energy storage elastic element 324. After energy storage is completed, the energy is released through the first energy storage elastic element 324, thereby driving the main shaft 20 to rotate, thus realizing the switching between the main power supply and the backup power supply. In this process, through the cooperation of the moving part 50 and the linkage part 70, the first energy storage elastic element 324 can impact the main shaft 20 before, during, or after passing the neutral point, increasing its initial breaking speed, realizing the normal breaking of the contacts, and improving the arc extinguishing effect. The driving method of the second electromagnet 41 is the same as that of the first electromagnet 31, and will not be described in detail here.

[0057] It should be noted that the neutral point mentioned above refers to the intersection formed by the first energy storage elastic element 324, the first upper connecting rod 322, and the first lower connecting rod 323. When the first energy storage elastic element 324 passes through the neutral point, the force direction between the first upper connecting rod 322 and the first lower connecting rod 323 will change. That is, the first energy storage elastic element 324 will switch between energy storage and energy release. Thus, the energy release of the first energy storage elastic element 324 drives the first lower connecting rod 323 to drive the main shaft 20 to rotate, thereby performing the opening and closing operation of the contact device of the changeover switch. Therefore, the position where the linkage 70 impacts the main shaft 20 to increase the initial opening speed can be the process before, during, or after the first energy storage elastic element 324 passes through the neutral point.

[0058] The design of this idle stroke allows the first energy storage elastic element 324 or the second energy storage elastic element 424 to deform and store energy. Preferably, the idle stroke is longer than the energy storage stroke of the first energy storage elastic element 324 or the second energy storage elastic element 424 (i.e., the first energy storage elastic element 324 or the second energy storage elastic element 424 has passed the neutral point when the idle stroke is completed), ensuring that when the linkage 70 impacts the spindle 20 to assist the spindle 20 in its movement, the first energy storage elastic element 324 or the second energy storage elastic element 424 is in the process of releasing energy and simultaneously driving the spindle 20 to move, thus ensuring the switching speed of the contacts throughout the switching process. Furthermore, the unlocking element 60 abuts against the first connecting shaft 325 or the second connecting shaft 425 to release the locking state before the linkage 70 completes its idle stroke and before the first energy storage elastic element 324 or the second energy storage elastic element 424 has completed its energy storage, thus preventing the spindle 20 from jamming.

[0059] Combination Figures 1-5 It should be noted that in this embodiment, the first drive mechanism 30 and the second drive mechanism 40 are symmetrically arranged, which can improve the driving effect on the main shaft 20. Correspondingly, the first unlocking part 61 and the second unlocking part 63 are symmetrically arranged, and the first arc-shaped groove 17 and the second arc-shaped groove 18 are symmetrically arranged, as shown below. Figure 3 As shown, the first arc-shaped groove 17 and the second arc-shaped groove 18 form a structure similar to the figure eight, which can further improve the stability of the unlocking process of the first connecting shaft 325 and the second connecting shaft 425.

[0060] Please continue to combine Figure 5 Specifically, in this embodiment, the connecting part 62 is sleeved on the rotating part 22. By sleeved on both the linkage part 70 and the unlocking part 60, installation can be facilitated, the assembly efficiency of both with the main shaft 20 can be improved, and the linkage part 70 can drive the unlocking part 60 to rotate more effectively.

[0061] To improve the stability of the linkage 70 and the unlocking component 60 during rotation, and to facilitate installation or subsequent maintenance, in this embodiment, the spindle body 21 has a socket (not shown in the figure), located on the side of the movable component 50 away from the unlocking component 60. The spindle 20 also includes a pin 23, which is disposed in the socket, and the rotating component 22 is located between the pin 23 and the bracket 10.

[0062] In other words, by setting the pin 23, the rotating part 22 can be fixed between the pin 23 and the bracket 10, ensuring the stability of the linkage 70 and the unlocking part 60 during rotation; at the same time, the cooperation between the pin 23 and the socket can also make it easy to remove the linkage 70, the unlocking part 60 and the rotating part 22, which can facilitate disassembly and installation and improve the efficiency of later maintenance.

[0063] Please continue to combine Figures 1-3 Specifically, the movable component 50 includes a movable plate 51 and a connecting plate 52 connected to each other. The movable plate 51 is movably disposed on the bracket 10, and the first energy storage link structure 32, the movable plate 51, and the second energy storage link structure 42 are hinged in sequence. The connecting plate 52 is connected to the linkage component 70. Specifically, in this embodiment, the first closing lever 321, the movable plate 51, and the second closing lever 421 are hinged in sequence.

[0064] By setting the movable plate 51 and the connecting plate 52, the linkage stability of the first energy storage linkage structure 32 and the second energy storage linkage structure 42 can be improved, and the stability of the linkage component 70 actuating the main shaft 20 can be enhanced, thereby further improving the reliability of the changeover switch and the safety of electricity use.

[0065] Furthermore, the linkage 70 has a guide hole 71 at one end near the connecting plate 52, and a third connecting shaft 521 is provided at the end of the connecting plate 52 away from the movable plate 51. The third connecting shaft 521 passes through the guide hole 71. It should be noted that the guide hole 71 is specifically an elongated hole, and the third connecting shaft 521 can move within this elongated hole to compensate for changes in the height of the guide hole 71, thereby enabling the linkage 70 to rotate relative to the connecting plate 52 under the drive of the movable plate 51.

[0066] To limit the movement distance of the movable plate 51 and improve stability during opening and closing, a movable groove 511 is provided at the end of the movable plate 51 away from the connecting plate 52. A limiting shaft 14 is provided on the bracket 10, and the limiting shaft 14 is located in the movable groove 511. By placing the movable groove 511 at the end of the movable plate 51 away from the connecting plate 52, interference between the limiting shaft 14 and other structures on one side of the connecting plate 52 can be avoided, ensuring normal cooperation between the connecting plate 52 and the linkage 70, further improving the effect of actuating the impact spindle 20, and enhancing the contact breaking stability.

[0067] It should be noted that in this embodiment, the movable plate 51 is located at the top of the bracket 10, and the connecting plate 52, the linkage 70, and the unlocking member 60 are all located on the same side of the bracket 10. With this arrangement, on the one hand, the effect of actuating the impact spindle 20 can still be guaranteed, and the contact breaking stability can be improved; on the other hand, the overall structural layout of the operating device 100 can be optimized, the number of connecting members can be reduced, and the overall structural volume can be reduced.

[0068] Of course, in other embodiments, the movable plate 51 can also be set in other positions of the bracket 10, and the connecting plate 52, the linkage 70 and the unlocking member 60 can also be not located on the same side, as long as it can achieve forced unlocking of the linkage structure and impact on the main shaft 20 to increase its initial separation speed.

[0069] Please continue to combine Figure 3 Specifically, the support 10 includes a first support 11, a second support 12, and at least one fixed shaft 13. The first support 11 and the second support 12 are spaced apart, and the two ends of the at least one fixed shaft 13 are respectively connected to the first support 11 and the second support 12. The main shaft 20 is rotatably connected to both the first support 11 and the second support 12. The first electromagnet 31, the first energy storage link structure 32, the second electromagnet 41, and the second energy storage link structure 42 are all located between the first support 11 and the second support 12, and both the first energy storage link structure 32 and the second energy storage link structure 42 are rotatably connected to both the first support 11 and the second support 12. The movable member 50 is movably connected to both the first support 11 and the second support 12.

[0070] It should be noted that, specifically in this embodiment, the main shaft body 21 passes through both the first bracket 11 and the second bracket 12, the limiting shaft 14 is disposed on the top of the second bracket 12, the movable plate 51 is movably disposed on the top of both the first bracket 11 and the second bracket 12, and the connecting plate 52, the linkage 70, and the unlocking member 60 are all located on the side of the first bracket 11 away from the second bracket 12; the first bracket 11 has a first arc-shaped groove 17 and a second arc-shaped groove 18. Furthermore, both ends of the first closing lever 321, both ends of the first upper connecting rod 322, both ends of the second closing lever 421, and both ends of the second upper connecting rod 422 can be rotatably connected to the first bracket 11 and the second bracket 12.

[0071] It is easy to understand that in some other embodiments, the linkage 70, the unlocking component 60, and the connecting plate 52 may also be disposed between the first bracket 11 and the second bracket 12.

[0072] In addition, it should be noted that in this embodiment, the number of fixed shafts 13 is three. Of course, in other embodiments, the number of fixed shafts 13 can be one, two, or four, etc.

[0073] In addition, in order to facilitate the linkage between the first lower connecting rod 323 and the second lower connecting rod 423 and the main spindle 20 and improve the stability of the opening and closing operation, in this embodiment, the main spindle 20 also includes a main spindle seat 24, which is sleeved on the main spindle body 21, and the first lower connecting rod 323, the main spindle seat 24 and the second lower connecting rod 423 are hinged in sequence.

[0074] In summary, embodiments of the present invention provide an operating device 100 and a changeover switch. The operating device 100 includes a bracket 10, a main shaft 20, a first drive mechanism 30, a second drive mechanism 40, a movable member 50, and an unlocking member 60. The bracket 10 is provided with a first limiting member 15 and a second limiting member 16. The main shaft 20 is rotatably mounted on the bracket 10. The first drive mechanism 30 includes a first electromagnet 31 and a first energy storage link structure 32 connected to each other. The first electromagnet 31 is mounted on the bracket 10, and the first energy storage link structure 32 is rotatably connected to the bracket 10 and hinged to the main shaft 20. The first energy storage link structure 32 is used to abut against the first limiting member 15 to form a locked state, and the first energy storage link structure 32 is provided with a first connecting shaft 325. The second drive mechanism 40 includes a second... An electromagnet 41 and a second energy storage link structure 42 are included. The second electromagnet 41 is mounted on the bracket 10, and the second energy storage link structure 42 is rotatably connected to the bracket 10 and hinged to the main shaft 20. The second energy storage link structure 42 is used to abut against the second limiting member 16 to form a locked state, and the second energy storage link structure 42 is provided with a second connecting shaft 425. The movable member 50 is slidably mounted on the bracket 10, and the first energy storage link structure 32, the movable member 50, and the second energy storage link structure 42 are hinged in sequence. The unlocking member 60 is connected to the movable member 50. The unlocking member 60 is used to move relative to the bracket 10 under the drive of the first electromagnet 31 or the second electromagnet 41 to move relative to the bracket 10, thereby actuating the first connecting shaft 325 or the second connecting shaft 425, thereby releasing the locked state.

[0075] It is easy to understand that when the first electromagnet 31 or the second electromagnet 41 is energized, it can drive the first energy storage link structure 32 or the second energy storage link structure 42 to rotate relative to the bracket 10, and drive the movable part 50 to move relative to the bracket 10. During the movement of the movable part 50, it pushes the second energy storage link structure 42 or the first energy storage link structure 32 to rotate relative to the bracket 10. During this process, by setting the unlocking part 60 to cooperate with the movable part 50, the driving force of the electromagnet can also be transmitted to the unlocking part 60 through the movable part 50, so that the unlocking part 60 moves relative to the bracket 10, thereby actuating the first connecting shaft 325 or the second connecting shaft 425, thereby separating the first energy storage link structure 32 from the first limiting part 15, or separating the second energy storage link structure 42 from the second limiting part 16, thus releasing the locking state of both. In other words, through the cooperation between the electromagnet, the energy storage linkage structure, the moving part 50, the unlocking part 60, the limiting part and the connecting shaft, the linkage structure can be forcibly unlocked, which improves the overall reliability of the changeover switch operation.

[0076] The changeover switch includes an operating device 100, which has all the functions and benefits of the operating device 100.

[0077] The above description is merely a specific embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An operating device, characterized in that, include: The bracket (10) is provided with a first limiting member (15) and a second limiting member (16); Main shaft (20), which is rotatably mounted on the bracket (10); The first drive mechanism (30) includes a first electromagnet (31) and a first energy storage link structure (32) connected to each other. The first electromagnet (31) is disposed on the bracket (10). The first energy storage link structure (32) is rotatably connected to the bracket (10) and connected to the main shaft (20). The first energy storage link structure (32) is used to abut against the first limiting member (15) to form a locking state. The first energy storage link structure (32) is provided with a first connecting shaft (325). The second drive mechanism (40) includes a second electromagnet (41) and a second energy storage link structure (42) connected to each other. The second electromagnet (41) is disposed on the bracket (10). The second energy storage link structure (42) is rotatably connected to the bracket (10) and connected to the main shaft (20). The second energy storage link structure (42) is used to abut against the second limiting member (16) to form a locking state. The second energy storage link structure (42) is provided with a second connecting shaft (425). Movable component (50), which is movably disposed on the bracket (10), and the movable component (50) is connected to the first energy storage link structure (32) and the second energy storage link structure (42) respectively; as well as Unlocking component (60), which is connected to the movable component (50); the unlocking component (60) is used to move relative to the bracket (10) under the drive of the first electromagnet (31) or the second electromagnet (41) to move the movable component (50) relative to the bracket (10), so as to actuate the first connecting shaft (325) or the second connecting shaft (425) and thereby release the locking state.

2. The operating device according to claim 1, characterized in that, The unlocking member (60) is disposed on the main shaft (20). There is a free stroke between the unlocking member (60) and the main shaft (20). The unlocking member (60) is used to abut against the first connecting shaft (325) or the second connecting shaft (425) before the free stroke is completed, so as to release the locking state.

3. The operating device according to claim 1, characterized in that, The unlocking component (60) includes a first unlocking part (61), a connecting part (62), and a second unlocking part (63) connected in sequence. The first unlocking part (61) is used to actuate the first connecting shaft (325), and the second unlocking part (63) is used to actuate the second connecting shaft (425). The connecting part (62) is connected to the movable part (50), and the main shaft (20) passes through the connecting part (62).

4. The operating device according to claim 3, characterized in that, The first unlocking part (61) has a first actuation groove (611) on the side near the movable part (50), the first actuation groove (611) being used to cooperate with the first connecting shaft (325); and / or, The second unlocking part (63) is provided with a second actuation groove (631) on the side near the movable part (50), and the second actuation groove (631) is used to cooperate with the second connecting shaft (425).

5. The operating device according to claim 1, characterized in that, The bracket (10) has a first arc-shaped groove (17) and a second arc-shaped groove (18) spaced apart. The first connecting shaft (325) is slidably disposed in the first arc-shaped groove (17), and the second connecting shaft (425) is slidably disposed in the second arc-shaped groove (18).

6. The operating device according to claim 1, characterized in that, The first energy storage linkage structure (32) includes a first closing lever (321), a first upper linkage (322), a first lower linkage (323), and a first energy storage elastic element (324). The first closing lever (321), the first upper linkage (322), the first lower linkage (323), and the main shaft (20) are hinged in sequence. The first connecting shaft (325) is provided at the hinge point between the first upper linkage (322) and the first lower linkage (323). The two ends of the first energy storage elastic element (324) are respectively connected to the first closing lever (321) and the first connecting shaft (325). The first closing lever (321) and the first upper linkage (322) are rotatably connected to the bracket (10). The first electromagnet (31) is movably connected to the first closing lever (321). The second energy storage linkage structure (42) includes a second closing lever (421), a second upper linkage (422), a second lower linkage (423), and a second energy storage elastic element (424). The second closing lever (421), the second upper linkage (422), the second lower linkage (423), and the main shaft (20) are hinged in sequence. A second connecting shaft (425) is provided at the hinge point between the second upper linkage (422) and the second lower linkage (423). The two ends of the second energy storage elastic element (424) are respectively connected to the second closing lever (421) and the second connecting shaft (425). The second closing lever (421) and the second upper linkage (422) are rotatably connected to the bracket (10). The second electromagnet (41) is movably connected to the second closing lever (421). The first closing lever (321), the movable part (50), and the second closing lever (421) are hinged in sequence; the first upper connecting rod (322) is used to abut against the first limiting part (15), and the second upper connecting rod (422) is used to abut against the second limiting part (16) to form the locking state.

7. The operating device according to claim 1, characterized in that, The operating device (100) further includes a linkage (70), which is connected to the movable part (50). The linkage (70) is disposed on the main shaft (20) and fixedly connected to the unlocking part (60). There is a free stroke between the linkage (70) and the main shaft (20). The first drive mechanism (30) or the second drive mechanism (40) is used to drive the movable part (50) to move relative to the bracket (10), thereby driving the linkage (70) to move. After the free stroke is completed, the linkage (70) is used to drive the main shaft (20) to rotate, so as to assist the main shaft (20) to move.

8. The operating device according to claim 7, characterized in that, The linkage (70) has a rotating hole (74), and the peripheral wall of the rotating hole (74) is provided with a first actuating part (72) and a second actuating part (73) arranged at intervals; the spindle (20) includes a spindle body (21) and a rotating part (22), the spindle body (21) is rotatably disposed on the bracket (10), and the rotating part (22) is sleeved on the spindle body (21) and rotatably disposed in the rotating hole (74); The rotating member (22) is provided with a rotating protrusion (221), which is located between the first actuating part (72) and the second actuating part (73). After the linkage member (70) completes its empty stroke, the first actuating part (72) or the second actuating part (73) abuts against the rotating protrusion (221).

9. The operating device according to claim 8, characterized in that, The spindle body (21) has a socket, which is located on the side of the movable part (50) away from the unlocking part (60); the spindle (20) also includes a pin (23), which is disposed in the socket, and the rotating part (22) is located between the pin (23) and the bracket (10).

10. A changeover switch, characterized in that, Includes the operating device (100) as described in any one of claims 1-9.

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