Anti-false-switching-on mechanism and isolating switch

Abstract

The utility model provides an anti-false-closing mechanism and an isolating switch, and belongs to the technical field of electrical components. The false closing prevention mechanism is applied to the disconnecting switch, the disconnecting switch comprises a moving contact, the false closing prevention mechanism comprises a handle assembly, a blocking piece and a shell, the handle assembly and the blocking piece are rotationally connected to the shell, and the handle assembly is used for being connected with the moving contact. The blocking piece is located on the rotation path of the handle assembly and can block rotation of the handle assembly so as to limit the handle assembly to drive the moving contact to rotate in the preset time period, and therefore closing of the disconnecting switch is limited. When the disconnecting switch is switched on, the moving contact needs to be rotated to the designated position, and the blocking piece can block rotation of the handle assembly when the blocking piece is located on the rotation path of the handle assembly, so that the handle assembly is limited to drive the moving contact to rotate in the preset time period, and rotation of the moving contact is limited; therefore, the blocking member can limit the closing of the isolating switch by blocking the rotation of the handle assembly, thereby improving the safety performance of the isolating switch.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of electrical components, and specifically to an anti-misclosing mechanism and an isolating switch. Background Art

[0002] The isolating switch is a common electrical component. Its main function is to open and close the circuit controlled by the isolating switch when there is no load current. After the isolating switch is opened, it can isolate the power supply, making it easier for maintenance personnel to repair the circuit.

[0003] Since most common disconnectors do not have the function of preventing accidental closing, maintenance personnel may accidentally touch the disconnector and cause it to close, thereby causing a safety accident. This poses a safety hazard to existing disconnectors. Utility Model Content

[0004] The present application provides an anti-misclosing mechanism and an isolating switch, which can improve the safety performance of the isolating switch.

[0005] In a first aspect, the present application provides an anti-mis-closing mechanism, which is applied to an isolating switch, the isolating switch includes a moving contact, the anti-mis-closing mechanism includes a handle assembly, a blocking member and a housing, the handle assembly and the blocking member are both rotatably connected to the housing, and the handle assembly is used to connect with the moving contact. The blocking member is located on the rotation path of the handle assembly, and the blocking member can block the rotation of the handle assembly to limit the handle assembly from driving the moving contact to rotate in a preset period of time, thereby limiting the closing of the isolating switch.

[0006] Through the above scheme, the handle assembly and the blocking member are both rotatably connected to the housing, and the handle assembly is connected to the moving contact. Since the moving contact needs to be rotated to a specified position for closing the isolating switch, and when the blocking member is located on the rotation path of the handle assembly, the blocking member can block the rotation of the handle assembly to limit the handle assembly from driving the moving contact to rotate in a preset period of time, so that the rotation of the moving contact is restricted. Therefore, the blocking member can limit the closing of the isolating switch by blocking the rotation of the handle assembly, thereby improving the safety performance of the isolating switch.

[0007] In a possible design, when the isolating switch is in the open state, there is a gap between the blocking member and the handle assembly. The blocking member can rotate to avoid the handle assembly in a non-preset period.

[0008] According to the above scheme, when the blocking member is in close contact with the handle assembly, the blocking member is difficult to rotate due to the friction between the blocking member and the handle assembly. Therefore, the setting of the gap can facilitate the rotation of the blocking member, so as to adjust the relative position between the blocking member and the handle assembly. The blocking member rotates to avoid the handle assembly during the non-preset period, so that during the non-preset period, the blocking member can rotate to a position avoiding the handle assembly, so that the handle assembly can drive the moving contact to rotate to complete the closing operation of the isolating switch, thereby facilitating the normal operation of the isolating switch after closing.

[0009] In a possible design, the blocking member includes a main body and a blocking portion, and a first mounting hole is provided on the shell. The main body is located in the first mounting hole and can rotate in the first mounting hole, a side of the main body away from the blocking portion is exposed to the shell, and the blocking portion is connected to an end of the main body away from the first mounting hole.

[0010] Through the above scheme, the arrangement form in which the main body is located in the first mounting hole and the main body can rotate in the first mounting hole enables the blocking member to be rotatably mounted in the first mounting hole by the main body, thereby realizing the rotational connection between the blocking member and the shell. Since the blocking member is connected to the end of the main body away from the first mounting hole, and the main body is rotatably mounted in the first mounting hole, the blocking member can block the rotation of the handle assembly without affecting the rotation of the main body. The arrangement form in which the side of the main body away from the blocking member is exposed to the shell makes the surface area of ​​the main body exposed to the shell larger, which is convenient for the operator to realize the overall rotation of the blocking member by rotating the main body, so as to change the relative position between the blocking member and the handle assembly as needed.

[0011] In a possible design, a side of the blocking portion away from the main body portion is a flat surface or a curved surface.

[0012] According to the above solution, when the blocking part blocks the handle assembly, the blocking part is located on the rotation path of the handle assembly, and the side of the blocking part away from the body part abuts against the handle assembly, so that the rotation of the handle assembly is blocked. The side of the blocking part away from the body part is a flat surface or a curved surface, which can enable the blocking part to block the handle assembly.

[0013] In a possible design, the blocking member further includes a guide portion, the guide portion is connected to the main body portion, the shell is provided with a guide groove, the guide portion is at least partially located in the guide groove and can rotate in the guide groove along with the main body portion.

[0014] Through the above solution, the cooperation between the guide part and the guide groove can enable the guide part to guide the rotation direction of the blocking member, so that the rotation angle of the blocking member is limited, and further the rotation range of the blocking member is limited.

[0015] In a possible design, the guide groove includes a first groove wall and a second groove wall that are opposite to each other in the rotation direction of the guide portion. When the guide portion rotates in a first direction, the first groove wall can abut against the guide portion to limit the rotation range of the guide portion in the first direction. When the guide portion rotates in a second direction, the second groove wall can abut against the guide portion to limit the rotation range of the guide portion in the second direction, and the first direction is opposite to the second direction.

[0016] According to the above scheme, since the rotation of the guide portion in the first direction is limited by the first groove wall, and the rotation of the guide portion in the second direction is limited by the second groove wall, and the first direction and the second direction are opposite, the first groove wall and the second groove wall are groove walls that can abut against the guide portion at both ends of the guide groove. Specifically, the first groove wall and the second groove wall are respectively located at both ends of the guide groove, and since the guide portion rotates in the guide groove, the cooperation of the first groove wall and the second groove wall can limit the rotation range of the guide portion, thereby limiting the rotation angle of the blocking member, and further limiting the rotation range of the blocking member.

[0017] In a possible design, an end surface of the main body exposed from the shell is provided with an indicator mark, and the indicator mark is used to indicate the closed state and the open state of the disconnector.

[0018] Through the above scheme, the indicator mark can enable the operator to quickly obtain the position and operation method of the blocking member by visual inspection, so as to carry out subsequent operations. The arrangement form in which the end surface of the main body exposed from the shell is provided with the indicator mark can facilitate the operator to quickly obtain the rotation method of the blocking member, and turn the blocking member to different positions according to the guidance of the indicator mark, so as to put the disconnector in the closed state or the open state.

[0019] In a possible design, the indicator mark is a slot structure.

[0020] Through the above solution, when the indicator mark is a groove structure, the operator can rotate the blocking member by clamping the tool in the groove, which not only facilitates the rotation of the blocking member, but also improves the work efficiency of the operator.

[0021] In a possible design, the isolating switch further includes a stationary contact, the moving contact cooperates with the stationary contact, and the housing is provided with a viewing window, the position of the viewing window being opposite to the position of the stationary contact.

[0022] Through the above scheme, the operator can quickly obtain the coordination status of the moving contact and the static contact, that is, the opening and closing status of the isolating switch through the window, thereby avoiding the operator from performing maintenance work when the isolating switch is closed, so as to avoid damage to the electrical appliances or threat to the personal safety of the operator, thereby improving the safety performance of the isolating switch.

[0023] In a second aspect, a disconnector includes the anti-misclosing mechanism of the first aspect.

[0024] The beneficial effects of the isolating switch provided in the above-mentioned second aspect and each possible design of the above-mentioned second aspect can be referred to the beneficial effects brought about by the above-mentioned first aspect and each possible implementation method of the first aspect, and will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the overall structure of an isolating switch provided in an embodiment of the present application.

[0026] Figure 2 An exploded schematic diagram of an isolating switch provided in an embodiment of the present application.

[0027] Figure 3 A schematic structural diagram of an anti-misclosing mechanism provided in an embodiment of the present application at a first viewing angle.

[0028] Figure 4 A schematic structural diagram of an anti-misclosing mechanism provided in an embodiment of the present application at a second viewing angle.

[0029] Figure 5 for Figure 3 A partial enlarged schematic diagram of position A in the middle.

[0030] Figure 6 A schematic diagram of the structure of a blocking member provided in an embodiment of the present application.

[0031] Figure 7 A schematic diagram of the structure of a shell provided in an embodiment of the present application.

[0032] Figure 8 for Figure 4 A partial enlarged schematic diagram of position B in the middle.

[0033] Illustration symbols: 1. Anti-misclosing mechanism; 11. Handle assembly; 111. Handle; 112. Connector; 12. Blocking member; 121. Main body; 122. Blocking portion; 123. Guide portion; 13. Shell; 131. First mounting hole; 132. Guide groove; 14. Gap; 15. Indicator mark; 16. Window; 2. Disconnector; 21. Moving contact; 22. Static contact. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used in the specification of the application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification, claims and drawings of this application are intended to cover non-exclusive inclusions.

[0036] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase "embodiments" in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0037] The term "and / or" in this article is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists, A and B exist at the same time, and B exists. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0038] The directional words appearing in the following description are all directions shown in the figures, and do not limit the specific structure of the current limiting module of the present application. For example, in the description of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0039] In addition, the terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order, and may explicitly or implicitly include one or more of the features.

[0040] In the description of the present application, unless otherwise specified, "plurality" means more than two (including two), and similarly, "multiple groups" means more than two groups (including two).

[0041] In the description of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, the "connection" or "connection" of a mechanical structure can refer to a physical connection. For example, the physical connection can be a fixed connection, such as a fixed connection through a barrier, such as a fixed connection through a screw, bolt or other barrier; the physical connection can also be a detachable connection, such as a mutual snap connection or snap connection; the physical connection can also be an integral connection, such as welding, bonding or integral molding to form a connection for connection. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances. The "connection" or "connection" of a circuit structure can refer to not only a physical connection, but also an electrical connection or a signal connection. For example, it can be a direct connection, that is, a physical connection, or it can be indirectly connected through at least one intermediate element, as long as the circuit is connected, and it can also be the internal connection of two elements; the signal connection can refer to a signal connection through a media medium, such as a radio wave, in addition to a signal connection through a circuit. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0042] Figure 1 This is a schematic diagram of the overall structure of an isolating switch provided in an embodiment of the present application. Figure 2 An exploded schematic diagram of an isolating switch provided in an embodiment of the present application.

[0043] like Figure 1 and Figure 2 As shown, the present application provides a disconnector 2, comprising an anti-misclosing mechanism 1 and a moving contact 21 connected to each other, wherein the anti-misclosing mechanism 1 can limit the rotation of the moving contact 21 to limit the closing of the disconnector 2.

[0044] The isolating switch 2 in the present application mainly refers to a small isolating switch 2 . The small isolating switch 2 is applied to a low-voltage power system and its main function is to isolate and disconnect the line controlled by the small isolating switch 2 .

[0045] The moving contact 21 refers to the part that moves with the actuator when the disconnector 2 is opened or closed. During the opening or closing process of the disconnector 2, the position of the moving contact 21 changes continuously with the rotation of the actuator.

[0046] The specific structural form of the anti-misclosing mechanism 1 will be described in detail below and will not be expanded here.

[0047] Figure 3 A schematic diagram of the structure of an anti-misclosing mechanism provided in an embodiment of the present application at a first viewing angle, Figure 4 A schematic structural diagram of an anti-misclosing mechanism provided in an embodiment of the present application at a second viewing angle.

[0048] See also Figures 2 to 4 The present application provides an anti-mistaken closing mechanism 1, which is applied to an isolating switch 2. The isolating switch 2 includes a moving contact 21. The anti-mistaken closing mechanism 1 includes a handle assembly 11, a blocking member 12 and a housing 13. The handle assembly 11 and the blocking member 12 are both rotatably connected to the housing 13, and the handle assembly 11 is used to be connected to the moving contact 21. The blocking member 12 is located on the rotation path of the handle assembly 11. The blocking member 12 can block the rotation of the handle assembly 11 to limit the handle assembly 11 from driving the moving contact 21 to rotate in a preset period of time, thereby limiting the closing of the isolating switch 2.

[0049] The handle assembly 11 can be rotatably connected to the housing 13 through a connection mechanism such as a bearing, a universal joint, or a bolt. Without affecting the performance of the handle assembly 11, the embodiment of the present application does not limit the specific form of the rotatable connection between the handle assembly 11 and the housing 13. Specifically, in the present application, a rotating shaft is provided on the housing 13, and the rotatable connection between the handle assembly 11 and the housing 13 can be achieved by the setting form in which the rotating shaft passes through the handle assembly 11.

[0050] The blocking member 12 can be rotatably connected to the housing 13 via a connection mechanism such as a bearing, a universal joint, or a bolt.

[0051] The connection between the handle assembly 11 and the moving contact 21 can be a non-detachable connection such as welding, gluing, riveting, etc., or a detachable connection such as threaded connection, clamping, etc. Under the premise of not affecting the performance of the handle assembly 11 and the moving contact 21, the embodiment of the present application does not limit the specific connection form between the handle assembly 11 and the moving contact 21.

[0052] See also Figure 4 The handle assembly 11 may include a handle 111 and a connecting member 112 connected to each other, one end of the connecting member 112 is connected to the handle 111, and the other end of the connecting member 112 is connected to the moving contact 21. The connecting member 112 may be a torsion spring or a connecting rod, etc., and the specific form of the connecting member 112 is not limited in the embodiment of the present application without affecting the performance of the connecting member 112.

[0053] The preset time period refers to the time period when the isolating switch 2 needs to be in the open state, such as the time period when maintenance personnel are repairing the line controlled by the isolating switch 2. At this time, the isolating switch 2 can separate the line it controls from the live circuit to avoid damage to electrical appliances or threats to the personal safety of maintenance personnel due to live operations during the maintenance process.

[0054] In actual production applications, the closing of the disconnector 2 needs to be achieved by the moving contact 21 forming a stable contact with the stationary contact 22 fixedly disposed in the housing 13. Therefore, the blocking member 12 can block the rotation of the handle assembly 11 to limit the handle assembly 11 from driving the contact 21 to rotate within a preset period of time, thereby limiting the direct contact between the moving contact 21 and the stationary contact 22, thereby preventing the disconnector 2 from completing the closing action.

[0055] In the embodiment of the present application, the handle assembly 11 and the blocking member 12 are both rotatably connected to the housing 13, and the handle assembly 11 is connected to the moving contact 21. Since the moving contact 21 needs to be rotated to a specified position for closing the isolating switch 2, and when the blocking member 12 is located on the rotation path of the handle assembly 11, the blocking member 12 can block the rotation of the handle assembly 11 to limit the handle assembly 11 from driving the moving contact 21 to rotate in a preset period of time, so that the rotation of the moving contact 21 is restricted, so the blocking member 12 can limit the closing of the isolating switch 2 by blocking the rotation of the handle assembly 11, thereby improving the safety performance of the isolating switch 2.

[0056] Figure 5 for Figure 3 A partial enlarged schematic diagram of position A in the middle.

[0057] like Figure 5 As shown, when the isolating switch 2 is in the off state, there is a gap 14 between the blocking member 12 and the handle assembly 11. The blocking member 12 can rotate to avoid the handle assembly 11 in a non-preset period.

[0058] The non-preset time period refers to the time period when the isolating switch 2 needs to be in the closed state, for example, the time period when the line controlled by the isolating switch 2 is in normal use. At this time, the isolating switch 2 needs to bear the power load in the line it controls.

[0059] When the blocking member 12 is in close contact with the handle assembly 11, the blocking member 12 is difficult to rotate due to the friction between the blocking member 12 and the handle assembly 11, so the size of the gap 14 can be a smaller value greater than zero. For example, the size of the gap 14 can be 0.5 mm, 1 mm, 1.5 mm, 2 mm, etc. In this way, the setting of the gap 14 can facilitate the rotation of the blocking member 12, so as to adjust the relative position between the blocking member 12 and the handle assembly 11.

[0060] The blocking member 12 can be rotated to avoid the handle assembly 11 during the non-preset period, which means that during the non-preset period, the blocking member 12 can be rotated to a position away from the handle assembly 11. In this way, the blocking member 12 no longer blocks the rotation of the handle assembly 11, so that the handle assembly 11 can drive the moving contact 21 to rotate to complete the closing operation of the disconnector 2, thereby facilitating the normal operation of the disconnector 2 after closing.

[0061] Figure 6 A schematic diagram of the structure of a blocking member provided in an embodiment of the present application is shown in FIG. Figure 7 A schematic diagram of the structure of a shell provided in an embodiment of the present application.

[0062] See also Figure 3 , Figure 4 , Figure 6 and Figure 7 The blocking member 12 includes a main body 121 and a blocking portion 122, and a first mounting hole 131 is provided on the housing 13. The main body 121 is located in the first mounting hole 131 and can rotate in the first mounting hole 131, a side of the main body 121 away from the blocking portion 122 is exposed to the housing 13, and the blocking portion 122 is connected to an end of the main body 121 away from the first mounting hole 131.

[0063] The first mounting hole 131 may be a through hole. The shape of the first mounting hole 131 may be circular.

[0064] The shape of the main body 121 can be cylindrical or truncated cone. Regardless of whether the shape of the main body is cylindrical or truncated cone, the cross section of the main body can be circular, so that the first mounting hole 131 and the main body 121 are easily matched and installed.

[0065] The shape of the blocking portion 122 can be a regular shape such as a cylinder, a prism, a cuboid, a cube, or an irregular shape. Under the premise of not affecting the performance of the blocking portion 122, the embodiment of the present application does not limit the specific form of the blocking portion 122.

[0066] The connection between the main body 121 and the blocking part 122 can be a non-detachable connection such as welding, gluing, riveting, etc., or a detachable connection such as threaded connection, clamping, etc. Under the premise of not affecting the performance of the main body 121 and the blocking part 122, the embodiment of the present application does not limit the specific connection form between the handle assembly 11 and the moving contact 21.

[0067] In the embodiment of the present application, the blocking portion 122 and the main body 121 can be integrally formed, which can not only realize the connection between the blocking portion 122 and the main body 121, but also simplify the processing steps of the blocking member 12. Specifically, the blocking member 12 can be formed by injection molding, which can improve the production efficiency of the blocking member 12.

[0068] The cooperation between the main body 121 and the first mounting hole 131 realizes the rotation connection between the blocking member 12 and the housing 13 .

[0069] Since the blocking portion 122 is connected to one end of the body portion 121 away from the first mounting hole 131 and the body portion 121 is rotatably mounted in the first mounting hole 131 , the blocking portion 122 can block the rotation of the handle assembly 11 without affecting the rotation of the body portion 121 .

[0070] The side of the main body 121 away from the blocking portion 122 is exposed from the housing 13, mainly in the following situations: 1. The side of the main body 121 away from the blocking portion 122 protrudes from the housing 13. 2. The side of the main body 121 away from the blocking portion 122 is flush with the housing 13 and is not blocked by the first mounting hole 131. 3. The side of the main body 121 away from the blocking portion 122 is lower than the plane of the housing 13 and is not blocked by the first mounting hole 131.

[0071] Compared with the situation where the side of the main body 121 away from the blocking portion 122 is blocked by the first mounting hole 131, the arrangement in which the side of the main body 121 away from the blocking portion 122 is exposed to the shell 13 makes the surface area of ​​the main body 121 exposed to the shell 13 larger, which is convenient for the operator to realize the overall rotation of the blocking member 12 by rotating the main body 121, so as to change the relative position between the blocking member 12 and the handle assembly 11 as needed.

[0072] In an optional embodiment, a side of the blocking portion 122 away from the main body portion 121 is a plane.

[0073] In another optional embodiment, the side of the blocking portion 122 away from the main body 121 is a curved surface. Specifically, the side of the blocking portion 122 away from the main body 121 can be a concave curved surface.

[0074] When the blocking portion 122 blocks the handle assembly 11 , the blocking portion 122 is located on the rotation path of the handle assembly 11 , and a side of the blocking portion 122 away from the body portion 121 abuts against the handle assembly 11 , so that the rotation of the handle assembly 11 is hindered.

[0075] The side of the blocking portion 122 away from the main body 121 is a flat surface or a curved surface, which can enable the blocking portion 122 to block the handle assembly 11. The blocking portion 122 can abut against the connecting member 112 in the handle assembly 11.

[0076] Based on the above description, the connecting member 112 can be a torsion spring or a connecting rod. When the side of the blocking portion 122 away from the main body portion 121 abuts against the connecting member 112, the side of the blocking portion 122 away from the main body portion 121 is arranged as a curved surface, which can increase the contact area between the blocking portion 122 and the connecting member 112, so as to increase the friction between the blocking portion 122 and the connecting member 112, thereby making the blocking portion 122 have a better blocking effect on the handle assembly 11.

[0077] Figure 8 for Figure 4 A partial enlarged schematic diagram of position B in the middle.

[0078] like Figure 6 and Figure 8 As shown, the blocking member 12 further includes a guide portion 123 , which is connected to the main body 121 . The housing 13 is provided with a guide groove 132 . The guide portion 123 is at least partially located in the guide groove 132 and can rotate in the guide groove 132 along with the main body 121 .

[0079] The shape of the guide portion 123 can be a regular shape such as a cylinder, a prism, a cube, or an irregular shape. Under the premise of not affecting the performance of the guide portion, the embodiment of the present application does not limit the specific shape of the guide portion 123.

[0080] The connection between the guide portion 123 and the main body 121 can be a non-detachable connection such as welding, gluing, riveting, etc., or a detachable connection such as threaded connection, clamping, etc. Under the premise of not affecting the performance of the guide portion 123 and the main body 121, the embodiment of the present application does not limit the specific connection form between the guide portion 123 and the main body 121.

[0081] In the embodiment of the present application, the blocking portion 122, the guide portion 123 and the main body 121 can be integrally formed, which can not only realize the connection relationship between the blocking portion 122, the guide portion 123 and the main body 121, but also simplify the processing steps of the blocking member 12. Specifically, the blocking member 12 can be processed by injection molding, which can improve the production efficiency of the blocking member 12.

[0082] The arrangement form in which the guide portion 123 is at least partially located in the guide groove 132 indicates that the guide portion 123 may be partially located in the guide groove 132 or may be completely located in the guide groove 132. Under the premise of not affecting the rotation of the guide portion 123 in the guide groove 132, the embodiment of the present application does not limit the specific matching form of the guide portion 123 and the guide groove 132.

[0083] Specifically, the guide portion 123 can be located on the side of the main body 121 away from the blocking portion 122, so that the interference between the guide portion 123 and the blocking portion 122 is small. Therefore, without affecting the performance of the blocking portion 122, the cooperation between the guide portion 123 and the guide groove 132 can enable the guide portion 123 to guide the rotation direction of the blocking member 12, thereby limiting the rotation angle of the blocking member 12 and further limiting the rotation range of the blocking member 12.

[0084] In an optional embodiment, the guide groove 132 includes a first groove wall (not shown in the figure) and a second groove wall (not shown in the figure) that are positioned opposite to each other in the rotation direction of the guide portion 123. When the guide portion 123 rotates in the first direction, the first groove wall can abut against the guide portion 123 to limit the rotation range of the guide portion 123 in the first direction. When the guide portion 123 rotates in the second direction, the second groove wall can abut against the guide portion 123 to limit the rotation range of the guide portion 123 in the second direction, and the first direction is opposite to the second direction.

[0085] The first groove wall and the second groove wall can be a plane or a curved surface. Under the premise of not affecting the performance of the first groove wall and the second groove wall, the embodiment of the present application does not limit the specific structure of the first groove wall and the second groove wall.

[0086] Since the rotation of the guide portion 123 in the first direction is limited by the first groove wall, and the rotation of the guide portion 123 in the second direction is limited by the second groove wall, and the first direction and the second direction are opposite, the cooperation of the first groove wall and the second groove wall can limit the rotation range of the guide portion 123, thereby limiting the rotation angle of the blocking member 12, and further limiting the rotation range of the blocking member 12.

[0087] See also Figure 6 An end surface of the main body 121 exposed from the housing 13 is provided with an indication mark 15 , and the indication mark 15 is used to indicate the closing state and the opening state of the disconnector 2 .

[0088] The indication mark 15 may be a mark formed by a regular shape such as an arrow or a strip, or may be a mark formed by an irregular shape, or may be a mark formed by a combination of a shape and text.

[0089] For example, a combination of a bidirectional arrow and text may be used to indicate whether the different rotation directions of the blocking member 12 correspond to whether the blocking member 12 will block the rotation of the handle assembly 11. Specifically, the texts "close" and "open" may be marked on both sides of the bidirectional arrow. The direction corresponding to "close" indicates that the blocking member 12 can avoid the handle assembly 11 by rotating in this direction to complete the closing of the isolating switch 2. The direction corresponding to "open" indicates that the blocking member 12 can block the handle assembly 11 by rotating in this direction to prevent the isolating switch 2 from closing, so that the isolating switch 2 remains in the open state.

[0090] In addition to text and graphics, the indicator mark 15 may also include eye-catching colors, so that the operator can quickly obtain the position of the blocking member 12 by visual inspection to facilitate subsequent operations.

[0091] The end surface of the main body 121 exposed from the shell 13 is provided with an indicator mark 15, which can facilitate the operator to quickly obtain the rotation mode of the blocking member 12, and turn the blocking member 12 to different positions according to the guidance of the indicator mark 15 to put the disconnector 2 in a closed state or an open state.

[0092] In an optional embodiment, the indicator mark 15 may be a groove structure.

[0093] Since the blocking member 12 is small in size, it is difficult to manually rotate the blocking member 12, which makes the blocking member 12 inconvenient to use. When the indicator mark 15 is a groove structure, the operator can rotate the blocking member 12 by holding the tool in the groove, which not only facilitates the rotation of the blocking member 12, but also improves the work efficiency of the operator.

[0094] In addition, compared with commonly used raised signs, the indicator sign 15 having a groove structure can also reduce the wear of the indicator sign 15 due to long-term operation, so that the indicator sign 15 remains conspicuous and visible for a long time, thereby facilitating the operator's operation.

[0095] like Figure 2 and Figure 7 As shown, the isolating switch 2 further includes a stationary contact 22 , the moving contact 21 cooperates with the stationary contact 22 , and the housing 13 is provided with a viewing window 16 , the position of the viewing window 16 is opposite to the position of the stationary contact 22 .

[0096] The static contact 22 refers to the part that does not move with the actuator of the disconnector 2 when the disconnector 2 is opened or closed. During the process of opening or closing the disconnector 2, the position of the static contact 22 remains unchanged.

[0097] In an optional embodiment, the window 16 includes an opening opened on the shell 13 and a thin sheet made of transparent material. The thin sheet is installed on the shell 13, and the thin sheet can completely cover the opening, so that the operator can quickly obtain the matching status of the moving contact 21 and the static contact 22 through the transparent thin sheet.

[0098] In addition, the thin sheet can prevent the external environment from communicating with the inside of the housing 13, thereby preventing foreign matter from contaminating or damaging the components inside the disconnector 2.

[0099] In another optional embodiment, the viewing window 16 includes an opening provided on the housing 13 and a dust cover that can be opened and closed, and the dust cover is provided on the opening. When the dust cover is closed, the opening can be completely covered, and when the dust cover is opened, the state of the moving contact 21 and the stationary contact 22 can be observed through the opening, so that the operator can quickly obtain the matching state of the moving contact 21 and the stationary contact 22.

[0100] In addition, when the dust cover is closed, it can prevent the external environment from communicating with the inside of the housing 13 through the opening, thereby preventing foreign matter from contaminating or damaging the components inside the disconnector 2.

[0101] The position of the window 16 relative to the position of the static contact 22 means that the setting position of the window 16 needs to be able to clearly observe the matching state of the moving contact 21 and the static contact 22. Under the premise of not affecting the observation effect of the window 16, the embodiment of the present application does not limit the specific position of the window 16.

[0102] The operator can quickly obtain the coordination status of the moving contact 21 and the static contact 22, that is, the opening and closing status of the isolating switch 2, through the window 16, thereby avoiding the operator from performing maintenance work when the isolating switch 2 is closed, so as to avoid damage to the electrical appliance or threat to the personal safety of the operator, thereby improving the safety performance of the isolating switch 2.

Claims

1. An anti-misclosing mechanism, applied to a disconnector, the disconnector comprising a moving contact, characterized in that: The anti-misclosing mechanism comprises a handle assembly, a blocking member and a housing, wherein the handle assembly and the blocking member are both rotatably connected to the housing, and the handle assembly is used to be connected to the moving contact; The blocking member is located on the rotation path of the handle assembly, and the blocking member can block the rotation of the handle assembly to limit the handle assembly from driving the moving contact to rotate within a preset period of time, thereby limiting the closing of the isolating switch.

2. The anti-misclosing mechanism according to claim 1, characterized in that: When the isolating switch is in an open state, there is a gap between the blocking member and the handle assembly; The blocking member can be rotated to avoid the handle assembly during an unpreset period of time.

3. The anti-misclosing mechanism according to claim 1, characterized in that: The blocking member comprises a main body and a blocking portion, and the shell is provided with a first mounting hole; The main body is located in the first mounting hole and can rotate in the first mounting hole. A side of the main body away from the blocking portion is exposed to the shell. The blocking portion is connected to an end of the main body away from the first mounting hole.

4. The anti-misclosing mechanism according to claim 3, characterized in that: A side of the blocking portion away from the main body portion is a flat surface or a curved surface.

5. The anti-misclosing mechanism according to claim 3 or 4, characterized in that: The blocking member further comprises a guide portion, the guide portion is connected to the main body portion, the shell is provided with a guide groove, the guide portion is at least partially located in the guide groove and can rotate in the guide groove along with the main body portion.

6. The anti-misclosing mechanism according to claim 5, characterized in that: The guide groove comprises a first groove wall and a second groove wall which are opposite to each other in the rotation direction of the guide portion; When the guide portion rotates in a first direction, the first groove wall can abut against the guide portion to limit the rotation range of the guide portion in the first direction; When the guide portion rotates in a second direction, the second groove wall can abut against the guide portion to limit the rotation range of the guide portion in the second direction, and the first direction is opposite to the second direction.

7. The anti-misclosing mechanism according to claim 3, characterized in that: An end surface of the main body exposed from the shell is provided with an indication mark, and the indication mark is used to indicate the closing state and the opening state of the isolating switch.

8. The anti-misclosing mechanism according to claim 7, characterized in that: The indicator mark is a groove structure.

9. The anti-misclosing mechanism according to claim 1, characterized in that: The isolating switch further comprises a stationary contact, the moving contact cooperates with the stationary contact, and the housing is provided with a viewing window, the position of the viewing window is opposite to the position of the stationary contact.

10. An isolating switch, characterized in that: It comprises the anti-misclosing mechanism as described in any one of claims 1 to 9.

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