An operating mechanism and switch device

Abstract

The application provides an operating mechanism and a switching device, and relates to the technical field of switches. The operating mechanism comprises a fixed assembly, a first connecting rod which is rotationally connected with the fixed assembly and connected with a movable contact, a second connecting rod which is rotationally connected with the fixed assembly, a first transmission shaft which is arranged in the fixed assembly and movably connected with the first connecting rod, an elastic piece which is connected with the first transmission shaft and the second connecting rod, a first sliding piece which is arranged in the fixed assembly and capable of abutting against the first transmission shaft and the second connecting rod, a second sliding piece which is arranged in the fixed assembly and capable of abutting against the first transmission shaft and the second connecting rod, a third sliding piece which is slidably connected with the fixed assembly and movably connected with the second connecting rod, and a driving shaft which is rotationally connected with the fixed assembly and movably connected with the third sliding piece. The operating mechanism provided by the application can store elastic potential energy by rotating the driving shaft, and the movable contact can be quickly driven by releasing the elastic potential energy, so that the effects of quick opening and quick closing are achieved.

Description

Technical Field

[0001] This application relates to the field of switch technology, and in particular to an operating mechanism and a switch device. Background Technology

[0002] The information disclosed in this background section is intended only to enhance the understanding of the general background of this disclosure and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art.

[0003] The operating mechanism is an important component of the switchgear, used to move the moving contacts to achieve closing or opening. Currently, the closing and opening speeds via the operating mechanism are relatively slow, thus affecting the switching performance of the switchgear. Summary of the Invention

[0004] In view of this, the purpose of this application is to provide an operating mechanism and a switching device, which aims to solve the technical problem of how to improve the switching performance of the switching device.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows: In a first aspect, embodiments of this application provide an operating mechanism, including: A fixing component is provided with a first guide hole, a second guide hole and a third guide hole. The third guide hole includes a first hole portion, a second hole portion and a third hole portion connected in sequence. The first guide hole is disposed near the first hole portion and the second guide hole is disposed near the third hole portion. The first link includes a first rotating part and a first rod part and a second rod part connected to the outer periphery of the first rotating part. The first rotating part is rotatably connected to the fixed assembly, and the second rod part is used to connect to the moving contact. The second link includes a second rotating part and a third, fourth and fifth link connected to the outer periphery of the second rotating part, wherein the second rotating part is rotatably connected to the fixed assembly; The first drive shaft passes through the third guide hole and is movably connected to the first rod portion; The elastic element has one end connected to the first drive shaft and the other end connected to the third rod portion; The first sliding member passes through the first guide hole and can abut against the first drive shaft and the fifth rod portion; The second sliding member passes through the second guide hole and can abut against the first drive shaft and the fifth rod portion; The third sliding member is slidably connected to the fixed component and movably connected to the fourth rod. The drive shaft is rotatably connected to the fixed component and movably connected to the third sliding member.

[0006] In some embodiments of the first aspect, the operating mechanism further includes a second drive shaft, the fixing component is provided with a fourth guide hole, the fourth guide hole includes a fourth hole portion, a fifth hole portion and a sixth hole portion connected in sequence, the end of the elastic member away from the first drive shaft is connected to the second drive shaft, the second drive shaft passes through the fourth guide hole and is movably connected to the third rod portion.

[0007] In some embodiments of the first aspect, the first rod portion is provided with a fifth guide hole, the third rod portion is provided with a sixth guide hole, the first drive shaft passes through the fifth guide hole, and the second drive shaft passes through the sixth guide hole.

[0008] In some embodiments of the first aspect, the third sliding member includes a first sliding portion and a second sliding portion connected together, the first sliding portion being movably connected to the drive shaft, the fourth rod portion being provided with a seventh guide hole, and the second sliding portion passing through the seventh guide hole.

[0009] In some embodiments of the first aspect, the third slider further includes a third sliding portion connected to the first sliding portion, the drive shaft is provided with a guide groove, and the third sliding portion passes through the guide groove.

[0010] In some embodiments of the first aspect, the operating mechanism further includes a third drive shaft and a third connecting rod, the fixing assembly is provided with an eighth guide hole, the third connecting rod includes a third rotating part and a sixth rod part connected to the outer periphery of the third rotating part, the third rotating part is rotatably connected to the fixing assembly and connected to the moving contact, the sixth rod part is provided with a ninth guide hole, the third drive shaft passes through the eighth guide hole and the ninth guide hole and is connected to the second rod part.

[0011] In some embodiments of the first aspect, the fixing assembly includes a first connecting plate, a second connecting plate, and a rotating shaft. The first connecting rod and the second connecting rod are both located between the first connecting plate and the second connecting plate. The first guide hole and the second guide hole both penetrate the first connecting plate. The third guide hole penetrates the first connecting plate and the second connecting plate. The rotating shaft passes through the first connecting plate and the second connecting plate and is rotatably connected to the first rotating part and the second rotating part.

[0012] In some embodiments of the first aspect, the first sliding member includes a first abutting portion, a through portion, and a second abutting portion connected in sequence. The through portion passes through the first guide hole. The first abutting portion is located on the side of the first connecting plate near the second connecting rod and can abut against the fifth rod portion. The second abutting portion is located on the side of the first connecting plate away from the second connecting rod and can abut against the first drive shaft.

[0013] In some embodiments of the first aspect, the fixing assembly further includes a third connecting plate, a first housing, and a second housing, the third connecting plate being connected to the first connecting plate and the second connecting plate, the drive shaft being rotatably connected to the third connecting plate, the first housing being connected to the second housing to form a receiving cavity, the first connecting rod, the second connecting rod, the first drive shaft, the elastic element, the first sliding element, the second sliding element, the third sliding element, the first connecting plate, the second connecting plate, and the third connecting plate all being located within the receiving cavity, and the third sliding element being slidably connected to the first housing and the second housing.

[0014] Secondly, embodiments of this application provide a switching device, including the operating mechanism described in any of the embodiments of the first aspect above.

[0015] The beneficial effects of this application are as follows: The operating mechanism provided in this application works as follows: When the drive shaft rotates in the first rotation direction, the third sliding member slides in the first sliding direction under the drive of the drive shaft, and drives the second rotating part to rotate in the third rotation direction through the fourth rod. As the second rotating part rotates in the third rotation direction, the third rod causes one end of the elastic member to move, thereby storing elastic potential energy, until the fifth rod abuts against the second sliding member. At this time, the second sliding member slides along the second guide hole under the drive of the fifth rod, thereby abutting against the first transmission shaft. The first transmission shaft slides from the third hole into the second hole under the drive of the second sliding member. At this time, the elastic potential energy is released, and the other end of the elastic member drives the first transmission shaft to slide along the second hole into the first hole. Under the drive of the first transmission shaft, the first rod causes the first rotating part to rotate in the fourth rotation direction. As the first rotating part rotates in the fourth rotation direction, the second rod causes the second sliding member to move. The moving contact opens the circuit breaker. When the drive shaft rotates in the second rotation direction, the third sliding member slides in the second sliding direction under the drive shaft's influence, and drives the second rotating part to rotate in the fourth rotation direction via the fourth rod. As the second rotating part rotates in the fourth rotation direction, the third rod causes one end of the elastic member to move, thus storing elastic potential energy, until the fifth rod abuts against the first sliding member. At this time, the first sliding member slides along the first guide hole under the influence of the fifth rod, thus abutting against the first drive shaft. The first drive shaft slides from the first hole into the second hole under the influence of the first sliding member. At this time, the elastic potential energy is released, and the other end of the elastic member drives the first drive shaft to slide from the second hole into the third hole. Under the influence of the first drive shaft, the first rod causes the first rotating part to rotate in the third rotation direction. As the first rotating part rotates in the third rotation direction, the second rod causes the moving contact to close the circuit breaker.

[0016] During the above-mentioned operation, the rotation of the drive shaft causes the elastic element to store elastic potential energy. The release of the elastic potential energy can quickly drive the moving contact to close or open the circuit. This achieves the effect of fast opening and fast closing, improves the switching performance of the switchgear, and thus helps to improve the reliability and service life of the switchgear.

[0017] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1A three-dimensional structural schematic diagram of the switching device in an embodiment of this application is shown; Figure 2 It shows Figure 1 Decomposition structure diagram Figure 1 ; Figure 3 It shows Figure 1 Decomposition structure diagram Figure 2 ; Figure 4 This illustration shows a three-dimensional structure of the operating mechanism after it is concealed within the first and second housings in an embodiment of this application. Figure 1 ; Figure 5 This illustration shows a three-dimensional structure of the operating mechanism after it is concealed within the first and second housings in an embodiment of this application. Figure 2 ; Figure 6 It shows Figure 5 A schematic diagram of the first connecting plate from one perspective; Figure 7 It shows Figure 5 Schematic diagram of the 3D structure after concealing the first, second, third, and fourth connecting plates. Figure 1 ; Figure 8 It shows Figure 5 Schematic diagram of the 3D structure after concealing the first, second, third, and fourth connecting plates. Figure 2 ; Figure 9 This illustration shows a schematic diagram of the operating mechanism after the first and second housings are hidden in the open state in an embodiment of this application. Figure 10 It shows Figure 11 A schematic diagram of the structure from one perspective, showing the first and second connecting plates hidden in the middle. Figure 11 This invention provides a schematic diagram of the operating mechanism after the first and second housings are hidden in the closed state, according to an embodiment of this application. Figure 12 It shows Figure 9 A schematic diagram of the structure from a perspective after the first and second connecting plates are hidden; Figure 13 It shows Figure 12 A three-dimensional structural diagram of the first sliding component; Figure 14 It shows Figure 12 A three-dimensional structural diagram of the first, second, and third links.

[0020] Explanation of key component symbols: 1000 - Switching device; 100 - Operating mechanism; 110 - Fixing component; 111 - First guide hole; 112 - Second guide hole; 113 - Third guide hole; 1131 - First hole portion; 1132 - Second hole portion; 1133 - Third hole portion; 114 - Fourth guide hole; 1141 - Fourth hole portion; 1142 - Fifth hole portion; 1143 - Sixth hole portion; 115 - Eighth guide hole; 1161 - First connecting plate; 1162 - ... Second connecting plate; 1163-Rotating shaft; 1164-Third connecting plate; 1165-Fourth connecting plate; 1171-First housing; 1172-Second housing; 1173-Receiving cavity; 120-First connecting rod; 121-First rotating part; 122-First rod part; 123-Second rod part; 124-Fifth guide hole; 130-Second connecting rod; 131-Second rotating part; 132-Third rod part; 133-Fourth rod part; 134-Fifth rod Part; 135-Sixth guide hole; 136-Seventh guide hole; 137-Limiting groove; 141-First drive shaft; 142-Elastic element; 143-Second drive shaft; 144-Third drive shaft; 151-First sliding element; 1511-First abutting part; 1512-Through part; 1513-Second abutting part; 152-Second sliding element; 153-Third sliding element; 1531-First sliding part; 1532-Second sliding part; 1533 - Third sliding part; 154-Drive shaft; 1541-Guide groove; 160-Third connecting rod; 161-Third rotating part; 162-Sixth rod part; 163-Ninth guide hole; 210-Moving contact; 220-Stationary contact; 310-Third housing; 320-Fourth housing; X1-First rotation direction; X2-Second rotation direction; X3-Third rotation direction; X4-Fourth rotation direction; Y1-First sliding direction; Y2-Second sliding direction. Detailed Implementation

[0021] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0022] In the description of this application, the terms "center", "longitudinal", "lateral", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0023] Furthermore, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Moreover, "above" or "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below" or "below" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0024] In the description of this application, the terms "first," "second," etc., are used to distinguish different objects and should not be construed as indicating or implying a specific order or hierarchy, or implicitly specifying the number of technical features indicated. Therefore, a feature marked "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, the term "multiple" means two or more, unless otherwise explicitly defined.

[0025] In the description of this application, unless otherwise explicitly specified, the terms "installation," "connection," "attachment," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0026] In the description of this application, the term "and / or" can be understood to imply three possibilities. For example, A and / or B can represent: A alone; A and B simultaneously; or B alone. Additionally, the character " / " generally indicates that the preceding and following objects have an "or" relationship. Figures 1 to 3As shown, in order to solve the above-mentioned technical problems, the embodiments of this application provide an operating mechanism 100, which relates to the field of switch technology and is mainly applied in a switch device 1000. Exemplarily, the switch device 1000 may be a disconnecting switch, a dual-power transfer switch, a circuit breaker, etc., and no specific limitation is made here on the type of switch device 1000.

[0027] Combination Figure 4 , Figures 6 to 8 as well as Figure 14 As shown, the operating mechanism 100 provided in this embodiment includes: a fixed component 110, a first connecting rod 120, a second connecting rod 130, a first transmission shaft 141, an elastic element 142, a first sliding element 151, a second sliding element 152, a third sliding element 153, and a drive shaft 154.

[0028] The fixing component 110 is provided with a first guide hole 111, a second guide hole 112 and a third guide hole 113. The third guide hole 113 includes a first hole portion 1131, a second hole portion 1132 and a third hole portion 1133 connected in sequence. The first guide hole 111 is disposed near the first hole portion 1131 and the second guide hole 112 is disposed near the third hole portion 1133.

[0029] The first connecting rod 120 includes a first rotating part 121 and a first rod part 122 and a second rod part 123 connected to the outer periphery of the first rotating part 121. The first rotating part 121 is rotatably connected to the fixed assembly 110, and the second rod part 123 is used to connect to the moving contact 210. The second connecting rod 130 includes a second rotating part 131 and a third rod part 132, a fourth rod part 133 and a fifth rod part 134 connected to the outer periphery of the second rotating part 131. The second rotating part 131 is rotatably connected to the fixed assembly 110. The first drive shaft 141 passes through the third guide hole 113 and is movably connected to the first rod portion 122; one end of the elastic member 142 is connected to the first drive shaft 141, and the other end of the elastic member 142 is connected to the third rod portion 132; the first sliding member 151 passes through the first guide hole 111 and can abut against the first drive shaft 141 and the fifth rod portion 134; the second sliding member 152 passes through the second guide hole 112 and can abut against the first drive shaft 141 and the fifth rod portion 134; the third sliding member 153 is slidably connected to the fixed assembly 110 and movably connected to the fourth rod portion 133; the drive shaft 154 is rotatably connected to the fixed assembly 110 and movably connected to the third sliding member 153.

[0030] For example, the elastic element 142 can be a torsion spring, spring, sheet metal or other element that can store elastic potential energy, and no specific limitation is made here.

[0031] For example, the connection between the second rod portion 123 and the moving contact 210 can be a direct connection or an indirect connection, without specific limitations here.

[0032] For example, the drive shaft 154 can be rotated manually or by a drive component such as a rotary motor or a drive motor. No specific limitation is made here on the power source of the drive shaft 154.

[0033] It should be noted that "the first guide hole 111 is located near the first hole portion 1131, and the second guide hole 112 is located near the third hole portion 1133" can be understood as: the first guide hole 111 and the first hole portion 1131 are located on the same side, and the second guide hole 112 and the third hole portion 1133 are located on the same side. "Movable connection" can be understood as: the relative position between two objects can change, that is, the relative position between the two objects is not fixed, meaning that one object can move relative to the other object.

[0034] For ease of description, we define the first rotation direction X1, the second rotation direction X2, the third rotation direction X3, the fourth rotation direction X4, the first sliding direction Y1, and the second sliding direction Y2. The first rotation direction X1 and the second rotation direction X2 are opposite, the third rotation direction X3 and the fourth rotation direction X4 are opposite, and the first sliding direction Y1 and the second sliding direction Y2 are opposite. It can be understood that the operating principle of the operating mechanism 100 provided in this embodiment is as follows: like Figures 7 to 10 As shown, when the drive shaft 154 rotates along the first rotation direction X1, the third sliding member 153 slides along the first sliding direction Y1 under the drive of the drive shaft 154, and drives the second rotating part 131 to rotate along the third rotation direction X3 through the fourth rod 133. As the second rotating part 131 rotates along the third rotation direction X3, the third rod 132 drives one end of the elastic member 142 to move, thereby storing elastic potential energy, until the fifth rod 134 abuts against the second sliding member 152. At this time, the second sliding member 152 slides along the second guide hole 112 under the drive of the fifth rod 134. The first drive shaft 141 is brought into contact with the second drive shaft 141. Driven by the second sliding member 152, the first drive shaft 141 slides from the third hole 1133 into the second hole 1132. At this time, the elastic potential energy is released, and the other end of the elastic member 142 drives the first drive shaft 141 to slide into the first hole 1131 along the second hole 1132. Driven by the first drive shaft 141, the first rod 122 drives the first rotating part 121 to rotate in the fourth rotation direction X4. As the first rotating part 121 rotates in the fourth rotation direction X4, the second rod 123 drives the moving contact 210 to open the circuit.

[0035] like Figure 7 , Figure 8 , Figure 11 and Figure 12 As shown, when the drive shaft 154 rotates along the second rotation direction X2, the third sliding member 153 slides along the second sliding direction Y2 under the drive of the drive shaft 154, and drives the second rotating part 131 to rotate along the fourth rotation direction X4 through the fourth rod 133. As the second rotating part 131 rotates along the fourth rotation direction X4, the third rod 132 drives one end of the elastic member 142 to move, thereby storing elastic potential energy, until the fifth rod 134 abuts against the first sliding member 151. At this time, the first sliding member 151 slides along the first guide hole 111 under the drive of the fifth rod 134. The first drive shaft 141 is brought into contact with the first drive shaft 141. Driven by the first sliding member 151, the first drive shaft 141 slides from the first hole 1131 into the second hole 1132. At this time, the elastic potential energy is released, and the other end of the elastic member 142 drives the first drive shaft 141 to slide along the second hole 1132 into the third hole 1133. Driven by the first drive shaft 141, the first rod 122 drives the first rotating part 121 to rotate in the third rotation direction X3. As the first rotating part 121 rotates in the third rotation direction X3, the second rod 123 drives the moving contact 210 to close.

[0036] During the above-mentioned operation, the rotation of the drive shaft 154 causes the elastic element 142 to store elastic potential energy. The release of the elastic potential energy can quickly drive the moving contact 210 to close or open, thus achieving the effect of fast opening and fast closing, improving the switching performance of the switch device 1000, thereby helping to improve the reliability and service life of the switch device 1000.

[0037] like Figure 1 , Figure 4 and Figure 6 As shown, in some embodiments, the operating mechanism 100 further includes a second drive shaft 143, and the fixing assembly 110 is provided with a fourth guide hole 114. The fourth guide hole 114 includes a fourth hole portion 1141, a fifth hole portion 1142 and a sixth hole portion 1143 connected in sequence. One end of the elastic member 142 away from the first drive shaft 141 is connected to the second drive shaft 143. The second drive shaft 143 passes through the fourth guide hole 114 and is movably connected to the third rod portion 132.

[0038] Understandably, when the drive shaft 154 rotates along the first rotation direction X1, it enables the second rotating part 131 to rotate along the third rotation direction X3, causing the third rod part 132 to drive the second transmission shaft 143 to slide from the sixth hole part 1143 into the fifth hole part 1142, and then along the fifth hole part 1142 into the fourth hole part 1141, thereby storing elastic potential energy in the elastic element 142 to drive the moving contact 210 to open the circuit. When the drive shaft 154 rotates along the second rotation direction X2, it enables the second rotating part 131 to rotate along the fourth rotation direction X4, causing the third rod part 132 to drive the second transmission shaft 143 to slide from the fourth hole part 1141 into the fifth hole part 1142, and then along the fifth hole part 1142 into the sixth hole part 1143, thereby storing elastic potential energy in the elastic element 142 to drive the moving contact 210 to close the circuit.

[0039] It should be noted that the first hole 1131 and the third hole 1133 limit the first drive shaft 141, and the fourth hole 1141 and the sixth hole 1143 limit the second drive shaft 143. In this way, without rotating the drive shaft 154, the operating mechanism 100 will not easily switch from the closed state to the open state or from the open state to the closed state, which helps to improve the reliability of the switching device 1000.

[0040] like Figure 10 and Figure 12 As shown, the first rod portion 122 is further provided with a fifth guide hole 124, and the first drive shaft 141 passes through the fifth guide hole 124, so that the first drive shaft 141 is movably connected to the first rod portion 122, thereby reducing the possibility of structural interference between the first drive shaft 141 and the first rod portion 122 during the movement of the first hole portion 1131 and the third hole portion 1133; the third rod portion 132 is provided with a sixth guide hole 135, and the second drive shaft 143 passes through the sixth guide hole 135, so that the second drive shaft 143 is movably connected to the third rod portion 132, thereby reducing the possibility of structural interference between the second drive shaft 143 and the third rod portion 132 during the movement of the second drive shaft 143 between the fourth hole portion 1141 and the sixth hole portion 1143.

[0041] Of course, for the above embodiments, sliders can also be provided on the first drive shaft 141 and / or the second drive shaft 143, and guide rails that cooperate with sliders can be provided on the first rod portion 122 and / or the third rod portion 132, which can also realize the movable connection between the drive shaft and the rod portion.

[0042] like Figure 4 , Figure 10 and Figure 12As shown, in some embodiments, the third sliding member 153 includes a first sliding portion 1531 and a second sliding portion 1532 connected together. The first sliding portion 1531 is movably connected to the drive shaft 154. The fourth rod portion 133 is provided with a seventh guide hole 136. The second sliding portion 1532 passes through the seventh guide hole 136, so that the third sliding member 153 and the fourth rod portion 133 are movably connected, thereby reducing the possibility of structural interference between the third sliding member 153 and the fourth rod portion 133 during the rotation of the second rotating portion 131.

[0043] Of course, in the above embodiment, a slider can also be provided on the second sliding part 1532 and a guide rail can be provided on the fourth rod part 133, which can also achieve the movable connection between the third sliding member 153 and the fourth rod part 133.

[0044] like Figure 4 and Figure 7 As shown, the third sliding member 153 further includes a third sliding part 1533 connected to the first sliding part 1531. The drive shaft 154 is provided with a guide groove 1541, and the third sliding part 1533 passes through the guide groove 1541, so that when the drive shaft 154 rotates, it can drive the third sliding member 153 to slide, and there is no structural interference between the two.

[0045] Of course, for the above embodiment, a lead screw can also be set, with one end of the lead screw connected to the drive shaft 154 and the part of the lead screw away from the drive shaft 154 threadedly connected to the third sliding member 153. In this way, when the drive shaft 154 rotates, it can also drive the third sliding member 153 to slide.

[0046] like Figures 3 to 5 as well as Figure 14 As shown, in some embodiments, the operating mechanism 100 further includes a third drive shaft 144 and a third connecting rod 160. The fixing assembly 110 is provided with an eighth guide hole 115. The third connecting rod 160 includes a third rotating part 161 and a sixth rod part 162 connected to the outer periphery of the third rotating part 161. The third rotating part 161 is rotatably connected to the fixing assembly 110 and connected to the moving contact 210. The sixth rod part 162 is provided with a ninth guide hole 163. The third drive shaft 144 passes through the eighth guide hole 115 and the ninth guide hole 163, so that the third drive shaft 144 is movably connected to the sixth rod part 162, and the third drive shaft 144 is connected to the second rod part 123.

[0047] It is understandable that when the first rotating part 121 rotates in the fourth rotation direction X4, the third transmission shaft 144 can drive the third rotating part 161 to rotate in the fourth rotation direction X4 through the sixth rod part 162, thereby driving the moving contact 210 to open; when the first rotating part 121 rotates in the third rotation direction X3, the third transmission shaft 144 can drive the third rotating part 161 to rotate in the third rotation direction X3 through the sixth rod part 162, thereby driving the moving contact 210 to close.

[0048] like Figure 1 , Figure 2 and Figure 7 As shown, in some embodiments, the fixing assembly 110 includes a first connecting plate 1161, a second connecting plate 1162, and a rotating shaft 1163. The first connecting rod 120 and the second connecting rod 130 are both located between the first connecting plate 1161 and the second connecting plate 1162, which helps to improve the structural compactness of the operating mechanism 100. The first guide hole 111 and the second guide hole 112 both penetrate the first connecting plate 1161, and the third guide hole 113 penetrates the first connecting plate 1161 and the second connecting plate 1162, which facilitates the assembly of the first sliding member 151, the second sliding member 152, and the first transmission shaft 141. The rotating shaft 1163 passes through the first connecting plate 1161 and the second connecting plate 1162 and is rotatably connected to the first rotating part 121 and the second rotating part 131, so that the first rotating part 121 and the second rotating part 131 are both rotatably connected to the fixing assembly 110.

[0049] It should be noted that when the fixing component 110 is provided with a fourth guide hole 114, the fourth guide hole 114 passes through the first connecting plate 1161 and the second connecting plate 1162, which facilitates the assembly of the second drive shaft 143.

[0050] like Figure 4 , Figure 6 and Figure 13 As shown, the first sliding member 151 further includes a first abutting part 1511, a through part 1512, and a second abutting part 1513 connected in sequence. The through part 1512 passes through the first guide hole 111. The first abutting part 1511 is located on the side of the first connecting plate 1161 near the second connecting rod 130 and can abut against the fifth rod part 134. The second abutting part 1513 is located on the side of the first connecting plate 1161 away from the second connecting rod 130 and can abut against the first drive shaft 141.

[0051] It is understandable that when the second rotating part 131 rotates along the fourth rotating direction X4, the fifth rod part 134 can abut against the first abutting part 1511 of the first sliding member 151, thereby driving the first sliding member 151 to slide along the first guide hole 111, so that the second abutting part 1513 of the first sliding member 151 abuts against the first transmission shaft 141, thereby driving the first transmission shaft 141 to slide from the first hole 1131 into the second hole 1132, so as to drive the moving contact 210 to close.

[0052] It should be noted that the second sliding member 152 can also adopt the above design, that is, the structure of the second sliding member 152 is the same as that of the first sliding member 151. In this way, when the second rotating part 131 rotates along the third rotating direction X3, the fifth rod part 134 can abut against the first abutting part 1511 of the second sliding member 152, thereby driving the second sliding member 152 to slide along the second guide hole 112, so that the second abutting part 1513 of the second sliding member 152 abuts against the first transmission shaft 141, thereby driving the first transmission shaft 141 to slide from the third hole part 1133 into the second hole part 1132, so as to drive the moving contact 210 to open the circuit.

[0053] like Figure 10 and Figure 12 As shown, further, a limiting groove 137 is recessed on the outer periphery of the second rotating part 131 and the outer periphery of the fourth rod part 133, and the first abutting part 1511 can be inserted into the limiting groove 137.

[0054] Understandably, when the operating mechanism 100 drives the actuating contact 210 to open the circuit, the first abutting part 1511 just fits into the limiting groove 137, so that the first sliding member 151 will not easily slide along the first guide hole 111, which helps to improve the reliability of the switching device 1000 in the open state.

[0055] like Figure 1 , Figure 2 , Figure 7 and Figure 8As shown, the fixing assembly 110 further includes a third connecting plate 1164, a first housing 1171, and a second housing 1172. The third connecting plate 1164 is connected to the first connecting plate 1161 and the second connecting plate 1162 to serve as structural support, thereby improving the stability of the operating mechanism 100. The drive shaft 154 is rotatably connected to the third connecting plate 1164, so that the drive shaft 154 is rotatably connected to the fixed assembly 110. The first housing 1171 is connected to the second housing 1172 to form a receiving cavity 1173. The first connecting rod 120, the second connecting rod 130, the first transmission shaft 141, the elastic element 142, the first sliding element 151, the second sliding element 152, the third sliding element 153, the first connecting plate 1161, the second connecting plate 1162, and the third connecting plate 1164 are all located in the receiving cavity 1173, thereby reducing the adverse effects of the external environment on the various moving parts and reducing the possibility of failure. The third sliding element 153 is slidably connected to the first housing 1171 and the second housing 1172, so that the third sliding element 153 is slidably connected to the fixed assembly 110.

[0056] like Figure 1 and Figure 2 As shown, the fixing assembly 110 further includes a fourth connecting plate 1165. The third connecting plate 1164 and the fourth connecting plate 1165 are located on different sides. The fourth connecting plate 1165 is connected to the first connecting plate 1161 and the second connecting plate 1162 respectively, so as to further improve the stability of the operating mechanism 100 as a structural support.

[0057] like Figures 1 to 3 as well as Figure 5 As shown, in order to solve the above-mentioned technical problems, the embodiments of this application also provide a switching device 1000, including a moving contact 210, a stationary contact 220, a third housing 310, a fourth housing 320, and an operating mechanism 100 in any of the above embodiments. The third housing 310 is connected to the second housing 1172, and the third housing 310 and the fourth housing 320 are connected to form an internal space for accommodating the moving contact 210. The stationary contact 220 passes through the third housing 310 and the fourth housing 320. The third rotating part 161 is connected to the moving contact 210 and is used to drive the moving contact 210 to rotate.

[0058] It is understandable that when the third rotating part 161 drives the moving contact 210 to rotate in the fourth rotating direction X4, the moving contact 210 can separate from the stationary contact 220, thereby realizing the opening of the circuit breaker; when the third rotating part 161 drives the moving contact 210 to rotate in the third rotating direction X3, the moving contact 210 can contact the stationary contact 220, thereby realizing the closing of the circuit breaker.

[0059] It should be noted that since the switching device 1000 provided in this embodiment has the operating mechanism 100 in any of the above embodiments, it has all the beneficial effects of the operating mechanism 100, which will not be described in detail here.

[0060] In the description of this application, the terms "some embodiments," "one embodiment," "example," "specific example," "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In the description of this application, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0061] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. An operating mechanism, characterized in that, include: A fixing component is provided with a first guide hole, a second guide hole and a third guide hole. The third guide hole includes a first hole portion, a second hole portion and a third hole portion connected in sequence. The first guide hole is disposed near the first hole portion and the second guide hole is disposed near the third hole portion. The first link includes a first rotating part and a first rod part and a second rod part connected to the outer periphery of the first rotating part. The first rotating part is rotatably connected to the fixed assembly, and the second rod part is used to connect to the moving contact. The second link includes a second rotating part and a third, fourth and fifth link connected to the outer periphery of the second rotating part, wherein the second rotating part is rotatably connected to the fixed assembly; The first drive shaft passes through the third guide hole and is movably connected to the first rod portion; The elastic element has one end connected to the first drive shaft and the other end connected to the third rod portion; The first sliding member passes through the first guide hole and can abut against the first drive shaft and the fifth rod portion; The second sliding member passes through the second guide hole and can abut against the first drive shaft and the fifth rod portion; The third sliding member is slidably connected to the fixed component and movably connected to the fourth rod. The drive shaft is rotatably connected to the fixed component and movably connected to the third sliding member.

2. The operating mechanism according to claim 1, characterized in that, The operating mechanism further includes a second drive shaft, and the fixing component is provided with a fourth guide hole. The fourth guide hole includes a fourth hole portion, a fifth hole portion, and a sixth hole portion that are connected in sequence. The end of the elastic element away from the first drive shaft is connected to the second drive shaft. The second drive shaft passes through the fourth guide hole and is movably connected to the third rod portion.

3. The operating mechanism according to claim 2, characterized in that, The first rod portion is provided with a fifth guide hole, the third rod portion is provided with a sixth guide hole, the first drive shaft passes through the fifth guide hole, and the second drive shaft passes through the sixth guide hole.

4. The operating mechanism according to claim 1, characterized in that, The third sliding member includes a first sliding part and a second sliding part connected to each other. The first sliding part is movably connected to the drive shaft. The fourth rod part is provided with a seventh guide hole, and the second sliding part passes through the seventh guide hole.

5. The operating mechanism according to claim 4, characterized in that, The third sliding member further includes a third sliding part connected to the first sliding part, the drive shaft is provided with a guide groove, and the third sliding part passes through the guide groove.

6. The operating mechanism according to claim 1, characterized in that, The operating mechanism further includes a third drive shaft and a third connecting rod. The fixed assembly is provided with an eighth guide hole. The third connecting rod includes a third rotating part and a sixth rod part connected to the outer periphery of the third rotating part. The third rotating part is rotatably connected to the fixed assembly and connected to the moving contact. The sixth rod part is provided with a ninth guide hole. The third drive shaft passes through the eighth guide hole and the ninth guide hole and is connected to the second rod part.

7. The operating mechanism according to any one of claims 1 to 6, characterized in that, The fixing assembly includes a first connecting plate, a second connecting plate, and a rotating shaft. The first connecting rod and the second connecting rod are both located between the first connecting plate and the second connecting plate. The first guide hole and the second guide hole both penetrate the first connecting plate. The third guide hole penetrates the first connecting plate and the second connecting plate. The rotating shaft passes through the first connecting plate and the second connecting plate and is rotatably connected to the first rotating part and the second rotating part.

8. The operating mechanism according to claim 7, characterized in that, The first sliding member includes a first abutting part, a through part, and a second abutting part connected in sequence. The through part passes through the first guide hole. The first abutting part is located on the side of the first connecting plate near the second connecting rod and can abut against the fifth rod part. The second abutting part is located on the side of the first connecting plate away from the second connecting rod and can abut against the first drive shaft.

9. The operating mechanism according to claim 7, characterized in that, The fixing assembly further includes a third connecting plate, a first housing, and a second housing. The third connecting plate is connected to the first connecting plate and the second connecting plate. The drive shaft is rotatably connected to the third connecting plate. The first housing and the second housing are connected to form a receiving cavity. The first connecting rod, the second connecting rod, the first drive shaft, the elastic element, the first sliding element, the second sliding element, the third sliding element, the first connecting plate, the second connecting plate, and the third connecting plate are all located within the receiving cavity. The third sliding element is slidably connected to the first housing and the second housing.

10. A switching device, characterized in that, It includes the operating mechanism as described in any one of claims 1 to 9.

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