Operating mechanism and isolating switch

Abstract

An operating mechanism and an isolating switch, relating to the technical field of electrical equipment. The operating mechanism comprises a linkage assembly, a driving member and an acting member, wherein the acting member is connected to the linkage assembly; the linkage assembly is driven to rotate, and the linkage assembly drives the acting member to move, and the acting member is used to drive the driving member to move linearly, so that the driving member drives the moving contact of the isolating switch to move closer to or away from the static contact. The isolating switch comprises the above-mentioned operating mechanism. The operating mechanism and the isolating switch have simple structures and can improve the working reliability of the operating mechanism.

Description

Technical Field

[0001] The present invention relates to the technical field of electrical equipment, and in particular to an operating mechanism and an isolating switch. Background Art

[0002] Strip fuse disconnector is also called strip switch. It is a traditional disconnector with an additional fuse connected to it. When facing a large current, the added fuse can be quickly disconnected to protect the disconnector. Strip switches have been widely used due to their strong breaking capacity, high reliability and small size.

[0003] At present, existing bar switches all include an operating mechanism, which drives a moving contact to act on a stationary contact to achieve closing, or drives the moving contact away from the stationary contact to achieve opening. However, the structure of the existing operating mechanism is mostly complex, and there are more uncertainties in operation, which leads to reduced working reliability. Summary of the invention

[0004] The object of the present invention is to provide an operating mechanism and a disconnecting switch, which have simple structures and can improve the working reliability of the operating mechanism.

[0005] The embodiment of the present invention is achieved as follows:

[0006] In one aspect of the present invention, an operating mechanism is provided, which includes a linkage assembly, a driving member and an acting member, wherein the acting member is connected to the linkage assembly; the linkage assembly is driven to rotate, and the linkage assembly drives the acting member to move, and the acting member is used to drive the driving member to move linearly, so that the driving member drives the moving contact of the disconnector to approach or move away from the static contact. The operating mechanism and the disconnector have simple structures and can improve the working reliability of the operating mechanism.

[0007] Optionally, an elastic member is sleeved on the linkage assembly, the driving member is provided with a guide groove, and one end of the acting member extends into the guide groove; the driving member travels an idle stroke in the guide groove, the acting member moves from the first working position to the second working position, and the elastic member stores energy; the acting member moves from the second working position to the third working position under the condition that the elastic member releases energy, so as to push the driving member away from the static contact.

[0008] Optionally, the linkage assembly includes a first linkage member and a second linkage member, the elastic member is sleeved on the second linkage member, the acting member is connected to the first linkage member, the second linkage member is provided with a slide groove, the acting member is slidably connected in the slide groove, and one end away from the first linkage member extends into the guide groove, which is used to drive the driving member to approach or move away from the static contact.

[0009] Optionally, the linkage assembly includes a first linkage member and a second linkage member, the elastic member is sleeved on the second linkage member, the acting member is connected to the second linkage member, the first linkage member is provided with a slide groove, the acting member is slidably connected in the slide groove, and one end away from the second linkage member extends into the guide groove, which is used to drive the driving member to approach or move away from the static contact.

[0010] Optionally, the acting member is located at the second working position, and the acting member abuts against a side wall of the guide groove close to the stationary contact.

[0011] Optionally, the guide groove is any one of a trapezoidal groove, a rectangular groove or a triangular groove.

[0012] Optionally, the driving member is slidably arranged on the housing of the isolating switch, and the sliding direction of the driving member is colinear with the connecting line between the driving member and the stationary contact.

[0013] Optionally, the operating mechanism further comprises a compression spring member sleeved on the second linkage member, one end of the elastic member is connected to the second linkage member, and the other end thereof is in contact with the compression spring member.

[0014] Optionally, the compression spring member includes a first body and a limiting flange extending from the first body toward the elastic member, the limiting flange and the first body are combined to form a limiting cavity, and one end of the elastic member close to the first body abuts against the bottom of the limiting cavity.

[0015] Optionally, the operating mechanism further comprises a handle, which is connected to one end of the first linkage member away from the elastic member, and rotating the handle can drive the acting member to move in the guide groove to push the driving member to perform linear motion.

[0016] Optionally, the handle includes a second body and a driving groove arranged in the second body, and a protrusion is provided at one end of the first linkage member close to the handle, and the protrusion extends into the driving groove; when the driving handle rotates, the groove wall of the driving groove acts on the protrusion to make the protrusion move in the driving groove.

[0017] Optionally, the acting member is located at the second working position, and the protrusion is abutted against a side wall of the driving slot close to the static contact, and is located at a side of the driving slot away from the first linkage member.

[0018] Optionally, the driving groove is any one of a trapezoidal groove, a rectangular groove or a triangular groove.

[0019] Optionally, a grip ring is provided at the operating end of the handle.

[0020] Optionally, the grip ring is provided with reinforcing ribs.

[0021] Another aspect of the present invention provides an isolating switch, which includes the above-mentioned operating mechanism.

[0022] The beneficial effects of the present invention include:

[0023] The present embodiment provides an operating mechanism, which includes a linkage component, a driving member and an action member, wherein the action member is connected to the linkage component; the linkage component is driven to rotate, and the linkage component drives the action member to move, and the action member is used to drive the driving member to perform linear motion, so that the driving member drives the moving contact of the disconnector to approach or move away from the static contact. In this way, in the actual operation process, the linkage component is driven to rotate, and the linkage component can drive the action member to move, so that the action member acts on the driving member, and then the driving member performs linear motion. In this way, the rotational motion of the linkage component can be realized to act on the driving member, and then the driving member performs linear translation. In this way, the driving member can drive the moving contact to approach the static contact to close the operating mechanism, or the driving member can drive the moving contact away from the static contact to open the operating mechanism. The operating mechanism provided by the present application has a simple structure, and can realize the conversion of rotational motion into linear translation of the driving member under the action of the linkage component and the action member. The operating mechanism of the present application can quickly perform opening or closing motion, which improves the speed of opening and closing, and thus improves the working reliability of the operating mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 A schematic diagram of the structure of an operating mechanism provided by an embodiment of the present invention;

[0026] Figure 2 A schematic diagram of the structure of a linkage component provided in an embodiment of the present invention;

[0027] Figure 3 A schematic diagram of the structure of a compression spring member provided in an embodiment of the present invention;

[0028] Figure 4 One of the state schematic diagrams of the operating mechanism provided by the embodiment of the present invention;

[0029] Figure 5 A second state diagram of the operating mechanism provided by an embodiment of the present invention;

[0030] Figure 6 A third state diagram of the operating mechanism provided by an embodiment of the present invention;

[0031] Figure 7 A fourth state diagram of the operating mechanism provided by an embodiment of the present invention;

[0032] Figure 8One of the structural schematic diagrams of the handle provided by the embodiment of the present invention;

[0033] Fig. 9 A second structural schematic diagram of a handle provided in an embodiment of the present invention;

[0034] Fig.10 A schematic diagram of the structure of an isolating switch provided in an embodiment of the present invention.

[0035] Icons: 10- linkage assembly; 11- first linkage member; 111- protrusion; 12- second linkage member; 121- slide groove; 20- driving member; 21- guide groove; 30- acting member; 40- elastic member; 50- compression spring member; 51- first body; 52- limiting flange; 53- limiting cavity; 60- handle; 61- second body; 62- driving groove; 621- first groove wall; 622- second groove wall; 63- holding ring; 631- reinforcing rib; 210- housing; 220- moving contact; 230- stationary contact. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0037] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0039] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0040] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only 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.

[0041] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0042] Please refer to Figure 1 The present embodiment provides an operating mechanism, which includes a linkage assembly 10, a driving member 20 and an acting member 30, wherein the acting member 30 is connected to the linkage assembly 10; the linkage assembly 10 is driven to rotate, and the linkage assembly 10 drives the acting member 30 to move, and the acting member 30 is used to drive the driving member 20 to move linearly, so that the driving member 20 drives the moving contact 220 of the isolating switch to approach or move away from the static contact 230.

[0043] The linkage assembly 10 is connected to an acting member 30, which can be used to drive the driving member 20 to move, so that the driving member 20 drives the moving contact 220 to approach and act on the static contact 230, thereby achieving the closing of the isolating switch, or drives the moving contact 220 away from the static contact 230, thereby achieving the opening of the isolating switch.

[0044] In this embodiment, the above-mentioned driving member 20 is connected to the moving contact 220, so that the movement of the driving member 20 under the action of the acting member 30 can drive the moving contact 220 away from the static contact 230 to open the moving contact 220 and the static contact 230; and after the moving contact 220 and the static contact 230 are opened, the acting member 30 can also be driven to move in the reverse direction to drive the moving contact 220 to continue to move with the driving member 20, so that the moving contact 220 continues to be closed with the static contact 230.

[0045] In this embodiment, through the cooperation of the linkage component 10 and the acting member 30, the rotational movement of the linkage component 10 can drive the driving member 20 to move horizontally, so that the movement stroke of the driving member 20 can be larger, thereby achieving reliable closing or opening of the moving contact 220 and the static contact 230, thereby improving the working reliability of the operating mechanism.

[0046] In summary, the present embodiment provides an operating mechanism, which includes a linkage assembly 10, a driving member 20 and an acting member 30, wherein the acting member 30 is connected to the linkage assembly 10; the linkage assembly 10 is driven to rotate, and the linkage assembly 10 drives the acting member 30 to move, and the acting member 30 is used to drive the driving member 20 to perform linear motion, so that the driving member 20 drives the moving contact 220 of the disconnector to approach or move away from the static contact 230. In this way, in the actual operation process, the linkage assembly 10 is driven to rotate, and the linkage assembly 10 can drive the acting member 30 to move, so that the acting member 30 acts on the driving member 20, and then the driving member 20 performs linear motion, so that the rotational motion of the linkage assembly 10 can be realized to act on the driving member 20, and then the driving member 20 can achieve linear translation, so that the driving member 20 can drive the moving contact 220 to approach the static contact 230 to close the operating mechanism, or the driving member 20 can drive the moving contact 220 to move away from the static contact 230 to open the operating mechanism. The operating mechanism provided by the present application has a simple structure, and can convert rotational motion into linear translational motion of the driving member 20 under the action of the linkage assembly 10 and the acting member 30. The operating mechanism of the present application can quickly perform opening or closing movements, thereby increasing the opening and closing speeds and thereby improving the working reliability of the operating mechanism.

[0047] In this embodiment, optionally, an elastic member 40 is sleeved on the linkage assembly 10, the driving member 20 is provided with a guide groove 21, and one end of the action member 30 extends into the guide groove 21; the action member 30 is driven to travel in the guide groove 21, and the action member 30 moves from the first working position to the second working position, and the elastic member 40 stores energy; the action member 30 moves from the second working position to the third working position under the condition that the elastic member 40 releases energy, so as to push the driving member 20 away from the static contact 230. Among them, the second working position is located between the first working position and the third working position.

[0048] Among them, one end of the acting member 30 close to the driving member 20 extends into the guide groove 21 of the driving member 20, so that it moves in the guide groove 21 to abut against the groove wall of the guide groove 21, and then drives the driving member 20 to move by acting on the groove wall of the guide groove 21, so that the driving member 20 can drive the moving contact 220 and the static contact 230 to open or close the switch.

[0049] It should be noted that the guide groove 21 is used to allow the action member 30 to move therein, so that the action member 30 can travel in the guide groove 21, and can also act on the groove wall of the guide groove 21 to drive the driving member 20 to move. Therefore, in this embodiment, the guide groove 21 can be recessed on the side of the driving member 20 close to the linkage assembly 10 (that is, the guide groove 21 does not penetrate the driving member 20), or can be penetrated on the driving member 20.

[0050] In addition, please refer to Figure 1 When the initial position of the operating mechanism is the closing position, the first working position refers to the working position of the action member 30 in the initial state (at this time, the elastic member 40 is not subjected to force and is in a free state, and the moving contact 220 acts on the static contact 230, and the disconnector is closed). The second working position refers to the working position of the elastic member 40 when the pressure energy storage is completed. Please refer to Figure 5 The third working position refers to the working position when the action member 30 drives the moving contact 220 to separate from the static contact 230 and the disconnector is opened. Please refer to Figure 6 .

[0051] When the operating mechanism needs to close the switch after opening the switch, it is necessary to drive the linkage assembly 10 to rotate in the opposite direction, thereby driving the actuator 30 to return from the third working position to the first working position. In other words, the movement of the operating mechanism is a reciprocating reversible movement. The operating mechanism has three working positions from closing to opening the switch (i.e., passing through the first working position, the second working position and the third working position in sequence), and also has three working positions from opening the switch to closing the switch (i.e., passing through the third working position, the second working position and the first working position in sequence). It should be understood that the first working position is the initial position, the second working position is the position where the elastic member 40 is compressed and stored when energy is stored, and the third working position is the position where the opening or closing of the switch is completed. That is, the three working positions are functional positions, which are only relative positions and should not be regarded as limitations on the specific positions of the three working positions. Since the principles of the opening and closing processes are the same, for the convenience of description and understanding, the following will take the initial position of the operating mechanism as the closing position as an example for corresponding illustration.

[0052] When it is necessary to open the moving contact 220 and the stationary contact 230, the acting member 30 moves forward in the guide groove 21, and the acting member 30 moves from the first working position toward the second working position. At this time, the elastic member 40 will be compressed to store energy; the acting member 30 moves to the second working position, and the energy storage of the elastic member 40 is completed; the elastic member 40 releases energy, and the acting member 30 can move from the second working position toward the third working position. At this time, the acting member 30 is accelerated by the driving action of the elastic member 40, and then the acting member 30 pushes the driving member 20 to move forward, so that the driving member 20 moves to push the moving contact 220 away from the stationary contact 230 to achieve opening.

[0053] Similarly, when the moving contact 220 and the stationary contact 230 need to be closed, the driving member 30 moves in the opposite direction in the guide groove 21, and the member 30 moves from the third working position to the second working position. At this time, the elastic member 40 is compressed to store energy; the member 30 moves to the second working position, and the elastic member 40 completes energy storage; the elastic member 40 releases energy, and the member 30 can move from the second working position to the first working position. At this time, the member 30 is accelerated by the driving action of the elastic member 40, and then the member 30 pushes the driving member 20 to move in the opposite direction, so that the driving member 20 moves to push the moving contact 220 close to the stationary contact 230 to achieve closing. In this way, the operating mechanism can first store energy through the elastic member 40, and then release the energy stored by the elastic member 40 to achieve the opening or closing of the moving contact 220 and the stationary contact 230.

[0054] In this way, in the actual operation process, the driving member 30 moves in the guide groove 21 of the driving member 20, so that the driving member 30 can move from the first working position to the second working position. At this time, the elastic member 40 is compressed to store energy; when the driving member 30 is in the second working position, the elastic member 40 completes the energy storage action; at this time, the elastic member 40 releases energy, and the driving member 20 abuts against the side wall of the guide groove 21, thereby pushing the driving member 20 to move, so that the driving member 20 moves to the third working position. At this time, the driving member 20 pushes the moving contact 220 away from or close to the static contact 230, so that the moving contact 220 and the static contact 230 are opened or closed. The operating mechanism provided by the present application has a simple structure, and can make the moving contact 220 and the static contact 230 quickly open or close under the action of the elastic member 40, thereby improving the speed of opening and closing, and thus improving the working reliability of the operating mechanism.

[0055] Please refer to Figure 1Optionally, in one embodiment, the linkage assembly 10 includes a first linkage member 11 and a second linkage member 12, the elastic member 40 is sleeved on the second linkage member 12, the action member 30 is connected to the first linkage member 11, the second linkage member 12 is provided with a slide groove 121, the action member 30 is slidably connected in the slide groove 121, and one end away from the first linkage member 11 extends into the guide groove 21, which is used to drive the driving member 20 to approach or move away from the static contact 230.

[0056] It should be noted that the above-mentioned action member 30 can be an independent structure connected to the first linkage member 11, or it can be a protrusion 111 extending from the first linkage member 11 toward the second connection member (that is, the action member 30 can also be a part of the first linkage member 11).

[0057] The slide groove 121 provided on the second linkage member 12 is used for the action member 30 to slide therein. In this embodiment, the first linkage member 11 is an active member and the second linkage member 12 is a driven member, that is, the movement of the second linkage member 12 is driven by the first linkage member 11. In this way, when the action member 30 slides in the guide groove 21, the action member 30 can also slide in the slide groove 121 of the second linkage member 12. The elastic member 40 is sleeved on the second linkage member 12, and is used to drive the elastic member 40 to compress and store energy under the action of the action member 30.

[0058] In another embodiment, optionally, the linkage assembly 10 includes a first linkage member 11 and a second linkage member 12, the elastic member 40 is sleeved on the second linkage member 12, the acting member 30 is connected to the second linkage member 12, the first linkage member 11 is provided with a slide groove 121, the acting member 30 is slidably connected in the slide groove 121, and one end away from the second linkage member 12 extends into the guide groove 21, which is used to drive the driving member 20 to approach or move away from the static contact 230.

[0059] It should be noted that the difference between this embodiment and the previous embodiment lies in the positions of the action member 30 and the slide groove 121. That is, this embodiment sets the action member 30 of the previous embodiment on the second linkage member 12, and correspondingly, sets the slide groove 121 on the first linkage member 11. In this way, the first linkage member 11 moves, thereby driving the action member 30 in the slide groove 121 slidably connected to the first linkage member 11 to move. Since the basic principles of this embodiment and the previous embodiment are the same, the working principle of this embodiment can be inferred from the previous embodiment, and will not be repeated here.

[0060] In this embodiment, the above-mentioned action member 30 is located in the second working position, and the action member 30 abuts against the side wall of the guide groove 21 close to the static contact 230 (corresponding to Figure 5In this way, when the elastic member 40 completes the energy storage under pressure, the action member 30 is just against the inclined wall of the trapezoidal groove. In this way, when the elastic member 40 releases the stored energy, the action member 30 can increase the stroke of the driving member 20 under the action of the elastic member 40, so that the driving member 20 drives the moving contact 220 to achieve a larger movement stroke, thereby ensuring effective opening.

[0061] Of course, when the operating mechanism is in the second working position, there may be a small gap between the action member 30 and the inclined wall of the trapezoidal groove.

[0062] For example, in this embodiment, the guide groove 21 may be any one of a trapezoidal groove, a rectangular groove or a triangular groove. It should be understood that no matter what shape the guide groove 21 is, interference with the opening of the moving contact 220 relative to the static contact 230 or the closing of the moving contact 220 relative to the static contact 230 should be avoided.

[0063] In order to further improve the reliability of the translation of the driving member 20, in this embodiment, the driving member 20 is slidably arranged on the housing 210 of the disconnector, and the sliding direction of the driving member 20 is colinear with the line connecting the driving member 20 and the static contact 230. For example, a slide rail may be provided on the driving member 20, and a slide groove 121 may be provided on the housing 210, and the slide groove 121 and the slide rail are matched, so that the movement direction of the driving member 20 will be guided by the slide groove 121 on the housing 210, thereby improving the working reliability of the driving member 20.

[0064] In this example, see Figure 2 and Figure 3 Optionally, the operating mechanism further includes a compression spring member 50 sleeved on the second linkage member 12 , one end of the elastic member 40 is connected to the second linkage member 12 , and the other end is in contact with the compression spring member 50 .

[0065] Due to the action of the compression spring 50, when the action member 30 moves from the first working position to the second working position, the action member 30 can push the compression spring 50 to move from the end of the second linkage member 12 close to the first linkage member 11 to the end away from the first linkage member 11. At this time, the compression spring 50 compresses the elastic member 40, so that the elastic member 40 is compressed and stores energy. Similarly, when the action member 30 moves from the second working position to the third working position, the action force of the action member 30 on the compression spring 50 is released. At this time, the compression spring 50 drives the compression spring 50 to move toward the first linkage member 11 under the action of the elastic restoring force of the elastic member 40, thereby reacting to the first linkage member 11 to drive the first linkage member 11 to move.

[0066] The compression spring member 50 may be a compression plate sleeved on the second linkage member 12 , or a compression block slidably connected to one side of the second linkage member 12 .

[0067] In this embodiment, optionally, please refer to Figure 3 The compression spring member 50 may include a first body 51 and a limiting flange 52 extending from the first body 51 toward the elastic member 40 . The limiting flange 52 and the first body 51 are combined to form a limiting cavity 53 . One end of the elastic member 40 close to the first body 51 abuts against the bottom of the limiting cavity 53 .

[0068] The above-mentioned limiting flanges 52 may include a plurality of them, and the plurality of limiting flanges 52 are evenly distributed on the outer circumference of the first body 51. For example, the first flanges may include four.

[0069] Optionally, the operating mechanism further includes a handle 60, which is connected to one end of the first linkage member 11 away from the elastic member 40. Rotating the handle 60 can drive the linkage assembly 10 to rotate, and the linkage assembly 10 is used to drive the action member 30 to move in the guide groove 21 to push the driving member 20 to move linearly. The handle 60 is provided to facilitate driving the linkage assembly 10 to rotate, thereby driving the action member 30 to move, so that the action member 30 moves in the guide groove 21. For example, the handle 60 can drive one end of the first linkage member 11 away from the second linkage member 12 to move the action member 30.

[0070] Please refer to Figure 1 Optionally, the handle 60 includes a second body 61 and a driving groove 62 provided in the second body 61, and a protrusion 111 is provided at one end of the first linkage member 11 close to the handle 60, and the protrusion 111 extends into the driving groove 62; when the driving handle 60 is rotated, the groove wall of the driving groove 62 acts on the protrusion 111, so that the end of the first linkage member 11 close to the guide groove 21 moves in the guide groove 21.

[0071] For example, see Figures 4 to 7 When the operating mechanism is in the closed state, the protrusion 111 abuts against the first groove wall 621 of the driving groove 62 (at this time, the protrusion 111 moves to the first movement position, and when in the first movement position, the protrusion 111 abuts against the bottom end of the first groove wall 621). Please refer to Figure 4 , at this time, the elastic member 40 is in a free state; when it is necessary to drive the actuating member 30 to move in the guide groove 21 so that the elastic member 40 is compressed and stores energy, the first groove wall 621 of the driving groove 62 drives the protrusion 111 to move from one end of the first groove wall 621 to the other end of the first groove wall 621 (that is, the protrusion 111 moves to the second movement position, and when in the second movement position, the protrusion 111 abuts against the top of the first groove wall 621). Please refer to Figure 5At this time, the elastic member 40 is compressed and the energy storage is completed; at this time, if the elastic member 40 releases the energy, the protrusion 111 will move in the driving groove 62 under the action of the elastic member 40, and move from the first groove wall 621 to the second groove wall 622 of the driving wall (that is, the protrusion 111 moves to the third movement position, and when in the third movement position, the protrusion 111 abuts against the bottom end of the second groove wall 622). Please refer to Figure 6 At this time, the elastic member 40 finishes releasing energy, and the protrusion 111 is located at an end of the second groove wall 622 close to the first groove wall 621 .

[0072] If the switch needs to be closed, the driving handle 60 rotates in the opposite direction (i.e., the direction opposite to that when the driving operating mechanism is opened), so that the protrusion 111 can be driven to move from the bottom end of the second groove wall 622 to the top end of the second groove wall 622 (at this time, the protrusion 111 rotates from the third movement position to the second movement position). Figure 7 As shown, at this time, the elastic member 40 is compressed to store energy; when the elastic member 40 releases energy, the protrusion 111 moves in an empty stroke in the driving groove 62 under the action of the elastic member 40 (at this time, the protrusion 111 rotates from the second movement position to the first movement position), and the protrusion 111 moves from the top of the second groove wall 622 to the bottom of the first groove wall 621. At this time, the elastic member 40 completes the energy release, and the operating mechanism drives the moving contact 220 and the static contact 230 to close the circuit breaker.

[0073] It should be noted that, in this embodiment, the handle 60 has a steering function, that is, the opening or closing of the operating mechanism can be achieved by reversing the handle 60. Fig.10 When the handle 60 is in the pull-down position, the operating mechanism is in the open state; when the handle 60 is in the push-up state, the operating mechanism is in the closed state. In this way, under the steering action of the handle 60, the closed position of the operating mechanism can be converted from the original pull-down position to the push-up position, and the open position of the operating mechanism can be converted from the original pull-up position to the pull-down position, which is more in line with the operating habits of technicians.

[0074] In this embodiment, the action member 30 is located at the second working position, and the protrusion 111 abuts against the side wall of the driving groove 62 close to the static contact 230, and is located on the side of the driving groove 62 away from the first linkage member 11 (that is, the protrusion 111 abuts against the top of the first groove wall 621). In this way, when the elastic member 40 is pressurized and energy storage is completed, the protrusion 111 just abuts against the right side wall of the driving groove 62.

[0075] For example, the driving slot 62 may be any one of a trapezoidal slot, a rectangular slot or a triangular slot. It should be understood that no matter what shape the driving slot 62 is, interference with the opening or closing of the moving contact 220 relative to the stationary contact 230 should be avoided.

[0076] When the driving groove 62 is a triangular groove, Figures 4 to 7 When the driving groove 62 is a triangular groove, the protrusion 111 is in the first movement position and the third movement position, and the protrusion 111 abuts against the junction of the first groove wall 621 and the second groove wall 622. Figure 1 or Figures 4 to 7 The orientation shown is described as an example and should not be considered as limiting the present application.

[0077] It should be understood that the shape of the driving groove 62, the shape of the guide groove 21, the movement path of the acting member 30 and the movement path of the moving contact 220 should be adapted to each other.

[0078] Please refer to Figures 8 to 9 In order to facilitate the operator to operate the handle 60, optionally, the handle 60 is provided with a grip ring 63.

[0079] It should be noted that the grip ring 63 is used for manual gripping by the operator, so that the overall rotation of the handle 60 is controlled by rotating the grip ring 63. Therefore, the size of the grip ring 63 should be adapted to the human hand. In this embodiment, in order to facilitate the operator to grip, the grip ring 63 is a square ring.

[0080] In order to enhance the operator's comfort when holding, in this embodiment, the outer wall surface and the inner wall surface of the holding ring 63 are both arc surfaces.

[0081] The grip ring 63 may be formed by firstly injecting the main body of the grip ring 63, and then performing secondary injection molding of soft rubber on the main body to form a circular arc-shaped soft rubber surface located at the periphery of the grip ring 63. In this way, when the operator holds it, the hand feeling is better.

[0082] Optionally, see Figure 8 and Fig. 9 The grip ring 63 is also provided with reinforcing ribs 631. The reinforcing ribs 631 may be evenly distributed on the periphery of the grip ring 63.

[0083] It should be noted that, in the present embodiment, the operating end refers to the end away from the action member 30, which is also the end for the operator to hold. The operating end is provided with a reinforcing rib 631 in order to enhance the strength of the operating end of the handle 60, thereby preventing the operating end from cracking or even breaking when the operator manually turns the handle 60. Of course, in order to further enhance the strength of the handle 60, in addition to providing reinforcing ribs 631 around the gripping hole ring on the periphery of the operating end, reinforcing ribs 631 may also be provided in other places of the handle 60. For example, at the end of the handle 60 close to the first linkage member 11, the strength of the handle 60 close to the first linkage member 11 can be enhanced, thereby eliminating the influence of the driving groove 62 provided on the handle 60 on the strength of the handle 60.

[0084] Taking the initial state of the operating mechanism as the closing state as an example, the working principle of the operating mechanism provided in this embodiment is described as follows:

[0085] Initial state: See Figure 4 At this time, the handle 60 is in the closing position, the protrusion 111 on the first linkage member 11 abuts against the bottom end of the first groove wall 621 of the driving groove 62 (the protrusion 111 is in the first movement position), the action member 30 is in the first working position, the elastic member 40 is in a free state, the driving member 20 is in the closing position, and the moving contact 220 and the static contact 230 are closed.

[0086] Energy storage status: please refer to Figure 5 The operator holds the holding ring 63 and drives the handle 60 to rotate, so that the handle 60 drives the protrusion 111 on the first linkage member 11 to move through the driving groove 62. The movement of the protrusion 111 causes the first linkage member 11 to move, so that the acting member 30 moves from the first working position to the second working position during an idle stroke in the guide groove 21 (in this process, the protrusion 111 simultaneously moves from the bottom end of the first groove wall 621 to the top end of the first groove wall 621, that is, the protrusion 111 moves from the first movement position to the second movement position). At this time, the limiting flange 52 moves in a direction away from the first linkage member 11 under the action of the first linkage member 11, thereby compressing the elastic member 40 to store energy.

[0087] Energy release status: please refer to Figure 5 and Figure 6 , the elastic member 40 releases energy, and the limiting flange 52 moves toward the first driving member 20 under the action of the elastic member 40, so that the acting member 30 abuts against the groove wall of the guide groove 21, thereby pushing the driving member 20 to move (at this time, the acting member 30 moves from the second working position to the third working position, and the protrusion 111 moves from the second movement position to the third movement position, that is, the protrusion 111 moves from the top of the first groove wall 621 to the bottom of the second groove wall 622), and the driving member 20 drives the moving contact 220 to separate from the static contact 230, thereby realizing the opening of the switch.

[0088] Another aspect of the present invention provides an isolating switch, which includes the above-mentioned operating mechanism.

[0089] The operating mechanism can be installed in the housing 210 of the isolating switch, wherein the grip ring 63 of the handle 60 is exposed outside the housing 210. In this way, the opening or closing of the isolating switch can be controlled by driving the grip ring 63 to move.

[0090] In addition, in this embodiment, please refer to Fig.10 When the isolating switch is installed vertically, the handle 60 is disposed on one side of the isolating switch, and the handle 60, the first linkage member 11 and the second linkage member 12 are respectively rotatably connected to the housing 210, wherein the rotation center of the first linkage member 11 is located between the rotation center of the handle 60 and the rotation center of the second linkage member 12. The handle 60, the first linkage member 11 and the second linkage member 12 are installed on the same horizontal line (it should be understood that the horizontal here refers to the horizontal relative to the vertical, not the absolute horizontal), and the driving member 20 is slidably connected to the housing 210, and the movement direction of the driving member 20 is the vertical direction, that is, the movement direction of the driving member 20 is perpendicular to the installation direction of the handle 60.

[0091] In addition, in this embodiment, the handle 60 is pushed upward to close the isolating switch; the handle 60 is pulled downward to open the isolating switch. This is more in line with people's operating habits and conventional cognition. At the same time, since gravity is downward, for safety reasons, the moving contact 220 can move upward to close the switch, and the moving contact 220 can move downward to open the switch.

[0092] The above description is only an optional embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

[0093] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

Claims

1. An operating mechanism, characterized in that: It comprises a linkage assembly, a driving member and an acting member, wherein the acting member is connected to the linkage assembly; the linkage assembly is driven to rotate, and the linkage assembly drives the acting member to move, and the acting member is used to drive the driving member to move linearly, so that the driving member drives the moving contact of the disconnector to approach or move away from the static contact; When the isolating switch is in the closed position, the operating member is in the first working position; when the isolating switch is in the open position, the operating member is in the third working position; the second working position is located between the first working position and the third working position; An elastic member is sleeved on the linkage assembly, and the driving member is provided with a guide groove, into which one end of the acting member extends; the acting member is driven to perform an idle stroke in the guide groove, and the acting member moves from the first working position to the second working position, and the elastic member stores energy; the acting member moves from the second working position to the third working position under the condition that the elastic member releases energy, so as to push the driving member away from the static contact.

2. The operating mechanism according to claim 1, characterized in that: The linkage assembly includes a first linkage member and a second linkage member, the elastic member is sleeved on the second linkage member, the action member is connected to the first linkage member, the second linkage member is provided with a slide groove, the action member is slidably connected in the slide groove, and one end away from the first linkage member extends into the guide groove, so as to drive the driving member to approach or move away from the static contact.

3. The operating mechanism according to claim 1, characterized in that: The linkage assembly includes a first linkage member and a second linkage member, the elastic member is sleeved on the second linkage member, the action member is connected to the second linkage member, the first linkage member is provided with a slide groove, the action member is slidably connected in the slide groove, and one end away from the second linkage member extends into the guide groove, which is used to drive the driving member to approach or move away from the static contact.

4. The operating mechanism according to claim 1, characterized in that: The acting member is located at the second working position, and the acting member abuts against a side wall of the guide groove close to the stationary contact.

5. The operating mechanism according to claim 1, characterized in that: The guide groove is any one of a trapezoidal groove, a rectangular groove or a triangular groove.

6. The operating mechanism according to claim 4, characterized in that: The driving member is slidably disposed on the housing of the isolating switch, and the sliding direction of the driving member is colinear with a connecting line between the driving member and the stationary contact.

7. The operating mechanism according to claim 2 or 3, characterized in that: The operating mechanism further comprises a compression spring member sleeved on the second linkage member, one end of the elastic member is connected to the second linkage member, and the other end thereof is in contact with the compression spring member.

8. The operating mechanism according to claim 7, characterized in that: The compression spring component includes a first body and a limiting flange extending from the first body toward the elastic component. The limiting flange and the first body are combined to form a limiting cavity. One end of the elastic component close to the first body abuts against the bottom of the limiting cavity.

9. The operating mechanism according to claim 2 or 3, characterized in that: The operating mechanism also includes a handle, which is connected to one end of the first linkage member away from the elastic member. Rotating the handle can drive the action member to move in the guide groove to push the driving member to perform linear motion.

10. The operating mechanism according to claim 9, characterized in that: The handle includes a second body and a driving groove arranged in the second body. A protrusion is provided at one end of the first linkage member close to the handle, and the protrusion extends into the driving groove. When the handle is driven to rotate, the groove wall of the driving groove acts on the protrusion to make the protrusion move in the driving groove.

11. The operating mechanism according to claim 10, characterized in that: The acting member is located at the second working position, and the protrusion is supported on the side wall of the driving groove close to the static contact and is located on the side of the driving groove away from the first linkage member.

12. The operating mechanism according to claim 11, characterized in that: The driving groove is any one of a trapezoidal groove, a rectangular groove or a triangular groove.

13. The operating mechanism according to claim 9, characterized in that: The operating end of the handle is provided with a grip ring.

14. The operating mechanism according to claim 13, characterized in that: The grip ring is provided with reinforcing ribs.

15. An isolating switch, characterized in that: Comprising the operating mechanism according to any one of claims 1 to 14.

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