Operating mechanism of automatic change-over switch and automatic change-over switch

Abstract

The invention belongs to the technical field of low-voltage electric appliances, and discloses an operating mechanism of an automatic change-over switch and the automatic change-over switch, the operating mechanism comprises a driving assembly, a transmission assembly, a rotating shaft assembly and a support, the driving assembly comprises an electromagnetic mechanism and a movable iron core which are matched with each other, and the movable iron core is movably connected with the rotating shaft assembly through the transmission assembly; the rotating shaft assembly has a first closing position and a second closing position. The support is provided with a first guide hole, the transmission assembly slidably penetrates through the first guide hole, the first guide hole is provided with a middle reversing position located between the first end and the second end of the first guide hole, and the middle reversing position is farther away from the driving assembly than the two ends of the first guide hole. The movable iron core pulls the transmission assembly to move from the middle reversing position to the first end or the second end of the first guide hole under the action of the electromagnetic mechanism and drives the rotating shaft assembly to rotate towards the first closing position or the second closing position, and compared with the scheme that the movable iron core exerts thrust on the transmission assembly, the technical difficulty can be lowered, the product structure is simplified, and implementation is easier.

Description

Technical Field

[0001] The present invention relates to the technical field of low-voltage electrical appliances, and particularly to an operating mechanism of an automatic transfer switch and an automatic transfer switch. Background Art

[0002] An automatic transfer switch (ATSE) is mainly used to achieve automatic switching between a main power supply and a standby power supply to ensure power supply continuity. Its core function is to quickly cut off the main power supply circuit and connect the standby power supply when a main power supply failure (such as power outage, voltage abnormality, etc.) is detected; when the main power supply is restored, it can automatically or manually switch back to the main power supply. ATSE is widely used in places with extremely high requirements for power supply reliability, such as hospitals, data centers, industrial facilities, etc.

[0003] Since the ATSE device needs to perform two-way opening / closing, the operating mechanism is required to be able to act in both forward and reverse directions, and the force values of forward and reverse opening / closing are required to be the same. For example, the operating mechanism needs to be able to drive the handle to rotate reciprocally between the normal closing position and the standby closing position. In some switches, the forward and reverse rotation of a motor is used to achieve the forward and reverse movement of the operating mechanism, but the motor action response is slow. Therefore, in the prior art, an ATSE usually uses an electromagnet as a driving mechanism to achieve fast action. To achieve the commutation action of the operating mechanism, two electromagnets are usually used for driving respectively.

[0004] The above solution has the following defects: the manufacturing cost of the electromagnet is relatively high, using two electromagnets will increase the cost of the switch equipment, and since the installation space for two electromagnets needs to be reserved and both electromagnets are connected to the operating handle through a linkage mechanism, it occupies a large space and the assembly process is complex, which is not conducive to the miniaturization of the equipment.

[0005] Therefore, there is an urgent need for an operating mechanism of an automatic transfer switch and an automatic transfer switch to solve the above problems existing in the prior art. Summary of the Invention

[0006] The purpose of the present invention is to provide an operating mechanism of an automatic transfer switch and an automatic transfer switch, which can realize the two-way movement of the operating mechanism only through one driving mechanism, with high reliability, low cost, less occupied space and simplified assembly process.

[0007] To achieve this purpose, the present invention adopts the following technical solutions:

[0008] On the one hand, an operating mechanism of an automatic transfer switch is provided. The automatic transfer switch includes a housing for installing the operating mechanism. The operating mechanism includes:

[0009] A driving assembly, including an electromagnetic mechanism disposed in the housing and a moving iron core cooperating with the electromagnetic mechanism;

[0010] A transmission component, whose first end is connected to the moving iron core;

[0011] A rotating shaft component, rotatably connected to the housing and movably connected to the second end of the transmission component. The rotating shaft component has a first closing position and a second closing position relative to the housing;

[0012] A bracket is provided on the housing. The bracket is provided with a first guiding hole. The transmission component is slidably disposed through the first guiding hole. The first guiding hole has an intermediate commutation position, which is located between the first end and the second end of the first guiding hole and is farther from the driving component than the first end and the second end of the first guiding hole;

[0013] The moving iron core is configured to pull the transmission component to move from the intermediate commutation position to the first end or the second end of the first guiding hole under the action of the electromagnetic mechanism, and drive the rotating shaft component to rotate towards the first closing position or the second closing position.

[0014] As an alternative embodiment of the operating mechanism of the automatic transfer switch provided by the present invention, the operating mechanism further includes:

[0015] A commutation component, connected to the rotating shaft component; when the rotating shaft component is in the first closing position, the commutation component stops at one side of the transmission component along the first direction, and when the rotating shaft component is in the second closing position, the commutation component stops at one side of the transmission component along the second direction;

[0016] Wherein, the first direction is the direction when the rotating shaft component rotates towards the first closing position, and the second direction is the direction when the rotating shaft component rotates towards the second closing position.

[0017] As an alternative embodiment of the operating mechanism of the automatic transfer switch provided by the present invention, a first fitting portion and a second fitting portion are provided on the rotating shaft component;

[0018] The second end of the transmission component moves relative to the rotating shaft component between the first fitting portion and the second fitting portion, and the transmission component is detachably abutted against the first fitting portion and the second fitting portion respectively;

[0019] When the rotating shaft component is in the first closing position, the commutation component stops between the second fitting portion and the transmission component, and when the rotating shaft component is in the second closing position, the commutation component stops between the first fitting portion and the transmission component.

[0020] As an alternative embodiment of the operating mechanism of the automatic transfer switch provided by the present invention,

[0021] The transmission assembly includes a first connecting rod and a transmission shaft; both ends of the first connecting rod are respectively rotatably connected to the moving iron core and the transmission shaft. The transmission shaft is slidably disposed through the first guiding hole and detachably abuts against the first engaging portion and the second engaging portion. The commutation assembly is used to stop the transmission shaft.

[0022] As an alternative solution for the operating mechanism of the automatic transfer switch provided by the present invention, a second guiding hole is provided on the rotating shaft assembly. The second guiding hole extends in an arc centered on the rotation axis of the rotating shaft assembly. The transmission shaft is slidably engaged with the second guiding hole.

[0023] The first engaging portion and the second engaging portion are respectively the hole walls at both ends of the second guiding hole.

[0024] As an alternative solution for the operating mechanism of the automatic transfer switch provided by the present invention, the transmission assembly further includes a first elastic member. One end of the first elastic member is connected to the bracket or the housing, and the other end is connected to the transmission shaft.

[0025] When the rotating shaft assembly is in the first closing position and the second closing position, the first elastic member is collinear with the first connecting rod and has a first length. The transmission shaft is in an initial position separated from both the first engaging portion and the second engaging portion. When the transmission shaft abuts against the first engaging portion and the second engaging portion, the first elastic member is in a stretched state and has a second length.

[0026] Wherein, the second length is greater than the first length.

[0027] As an alternative solution for the operating mechanism of the automatic transfer switch provided by the present invention, a clamping groove communicating with the first guiding hole is provided on the bracket. When the transmission shaft is in the initial position, it is engaged with the clamping groove and abuts against the groove wall of the clamping groove under the action of the first elastic member.

[0028] As an alternative solution for the operating mechanism of the automatic transfer switch provided by the present invention, the commutation assembly is disposed between the bracket and the rotating shaft assembly.

[0029] A first limiting portion and a second limiting portion are spaced apart on the bracket. The commutation assembly is movably located between the first limiting portion and the second limiting portion.

[0030] When the rotating shaft assembly is in the first closing position, the commutation assembly abuts against the first limiting portion and stops the transmission assembly through the side facing away from the first limiting portion. When the rotating shaft assembly is in the second closing position, the commutation assembly abuts against the second limiting portion and stops the transmission assembly through the side facing away from the second limiting portion.

[0031] As an alternative to the operating mechanism of the automatic transfer switch provided by the present invention, the commutation assembly includes a commutation member and a second elastic member;

[0032] The commutation member is coaxially rotatably connected to the rotating shaft assembly. One end of the second elastic member is connected to the rotating shaft assembly, and the other end is connected to the first end of the commutation member. The second end of the commutation member is used to stop the transmission assembly. The rotation center of the commutation member is located between the first end and the second end of the commutation member. The commutation member is separably abutted against the first limiting portion or the second limiting portion under the elastic force of the second elastic member.

[0033] As an alternative to the operating mechanism of the automatic transfer switch provided by the present invention, the second end of the commutation member is provided with a first stop surface facing away from the first limiting portion and a second stop surface facing away from the second limiting portion. The first stop surface and the second stop surface are connected at an angle; the transmission assembly can slide along one of the first stop surface and the second stop surface to be in stop cooperation with the other.

[0034] As an alternative to the operating mechanism of the automatic transfer switch provided by the present invention, the operating mechanism further includes a telescopic energy storage assembly. A connecting portion spaced from its own rotation center is provided on the rotating shaft assembly; both ends of the energy storage assembly are rotatably matched with the housing and the connecting portion respectively; when the rotating shaft assembly is in the first closing position and the second closing position, the energy storage assembly has a third length;

[0035] The rotating shaft assembly further has an energy storage position located between the first closing position and the second closing position; in the energy storage position, the rotation center of the rotating shaft assembly and the rotation centers of both ends of the energy storage assembly are collinear, the energy storage assembly is in a compressed state and has a fourth length;

[0036] Wherein, the fourth length is less than the third length.

[0037] As an alternative to the operating mechanism of the automatic transfer switch provided by the present invention, the energy storage assembly includes a second connecting rod, a third connecting rod and a third elastic member;

[0038] The second connecting rod is rotatably matched with the housing, the third connecting rod is rotatably matched with the connecting portion, the third elastic member is sleeved on the second connecting rod and the third connecting rod, and stoppers abutted against the third elastic member are provided on both the second connecting rod and the third connecting rod.

[0039] As an alternative to the operating mechanism of the automatic transfer switch provided by the present invention, the operating mechanism further includes an operating handle, the operating handle includes a rotating part and an operating lever provided on the rotating part, the rotating part is rotatably connected to the housing, and at least a part of the operating lever extends out of the housing; the rotating shaft assembly is in gear engagement with the rotating part;

[0040] and / or,

[0041] The first guiding hole extends in an arc shape or in a V shape or in a U shape.

[0042] On the other hand, an automatic transfer switch is provided, including a housing and the operating mechanism of the automatic transfer switch as described above, and the operating mechanism is provided in the housing.

[0043] Advantages of the present invention:

[0044] The present invention provides an operating mechanism of an automatic transfer switch. The rotating shaft assembly can reciprocally rotate between a first closing position and a second closing position to enable the automatic transfer switch to switch its working state. By providing a first guiding hole on the bracket and making the middle commutation position of the first guiding hole farther from the driving component than its first end and second end, an opening facing the driving component can be formed between the first end and the second end of the first guiding hole. When the electromagnetic mechanism does not generate magnetic force on the moving iron core, the transmission component is located at the middle commutation position. When the rotating shaft assembly needs to switch positions, the electromagnetic mechanism generates a magnetic suction force on the moving iron core, so that the moving iron core pulls the transmission component from the middle commutation position to the first end or the second end of the first guiding hole under the action of the magnetic suction force of the electromagnetic mechanism, and drives the rotating shaft assembly to rotate towards the first closing position or the second closing position, realizing the position switching, and further enabling the automatic transfer switch to switch its working state. This operating mechanism only requires one driving component, and the bidirectional movement of the operating mechanism can be realized by making the transmission component move bidirectionally. It has high reliability, low cost, occupies less space, and simplifies the assembly process.

[0045] Since the middle commutation position is farther from the driving component than the first end and the second end of the first guiding hole, the transmission component bears the pulling force of the moving iron core when moving towards the two ends of the first guiding hole, rather than the pushing force of the moving iron core. Compared with repelling the moving iron core by the electromagnetic mechanism to push the moving iron core to move far away, pulling the transmission component to move by magnetically attracting the moving iron core by the electromagnetic mechanism to realize the switching between the first closing position and the second closing position is easier to achieve technically and simpler in structure. It can effectively reduce the assembly and cooperation difficulty between the electromagnetic mechanism and the moving iron core, reduce the production cost and improve the production efficiency. Moreover, the solution for making the moving iron core provide a pulling force to realize the closing position switching has higher reliability and lower failure rate in the switch product, improving the overall competitiveness of the product.

[0046] The present invention also provides an automatic transfer switch. Since it includes the above-mentioned operating mechanism, when switching between the first closing state and the second closing state, only one driving component needs to be set, which can effectively reduce the production cost, facilitate the miniaturized design of the switch. And due to the structural setting of the first guiding hole, the electromagnetic mechanism of the driving component attracts the moving iron core by magnetic force, so that the moving iron core pulls the transmission component to realize the switching of the closing state, which can reduce the technical difficulty, simplify the product structure, simplify the assembly process, and improve the use reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required to be used in the embodiments of the present invention. Obviously, the following described drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the drawings.

[0048] Figure 1 is the first axonometric view of the operating mechanism provided by the specific embodiment of the present invention;

[0049] Figure 2 is the second axonometric view (hiding the bracket) of the operating mechanism provided by the specific embodiment of the present invention;

[0050] Figure 3 is a schematic diagram of the rotating shaft assembly and the energy storage assembly at the first closing position provided by the specific embodiment of the present invention;

[0051] Figure 4 is a schematic diagram of the rotating shaft assembly and the energy storage assembly at the second closing position provided by the specific embodiment of the present invention;

[0052] Figure 5 is a schematic diagram of the cooperation between the rotating shaft assembly and the operating handle provided by the specific embodiment of the present invention;

[0053] Figure 6 is a schematic diagram of the structure of the energy storage assembly provided by the specific embodiment of the present invention;

[0054] Figure 7 is a cross-sectional view of the operating mechanism at the second closing position provided by the specific embodiment of the present invention;

[0055] Figure 8 is a top view of the operating mechanism when it is converted to the first closing state provided by the specific embodiment of the present invention;

[0056] Figure 9 is a cross-sectional view of the operating mechanism when it is converted to the first closing state provided by the specific embodiment of the present invention;

[0057] Figure 10It is a schematic diagram of the operating mechanism provided by the specific embodiment of the present invention when it is in the first closing state;

[0058] Figure 11 It is a top view of the operating mechanism provided by the specific embodiment of the present invention when it is being converted to the second closing state;

[0059] Figure 12 It is a cross-sectional view of the operating mechanism provided by the specific embodiment of the present invention when it is being converted to the second closing state;

[0060] Figure 13 It is a schematic diagram of the operating mechanism provided by the specific embodiment of the present invention when it is in the second closing state.

[0061] In the figure:

[0062] 1. Driving assembly; 2. Transmission assembly; 3. Rotating shaft assembly; 4. Commutation assembly; 5. Bracket; 6. Energy storage assembly; 7. Operating handle;

[0063] 11. Electromagnetic mechanism; 12. Moving iron core;

[0064] 21. First connecting rod; 22. Transmission shaft; 23. First elastic member;

[0065] 31. Second guiding hole; 32. Fixed column; 33. Connecting portion; 34. First gear;

[0066] 311. First mating portion; 312. Second mating portion;

[0067] 41. Commutation member; 42. Second elastic member; 43. Mounting shaft;

[0068] 411. First stop surface; 412. Second stop surface; 413. First limiting surface; 414. Second limiting surface;

[0069] 51. First guiding hole; 52. Card slot; 53. First limiting portion; 54. Second limiting portion;

[0070] 61. Second connecting rod; 62. Third connecting rod; 63. Third elastic member;

[0071] 611. Stopper; 612. Opposing socket;

[0072] 71. Rotating portion; 72. Operating handle; 711. Second gear;

[0073] 100. Housing. Specific embodiments

[0074] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only for explaining the present invention, rather than limiting the present invention. Additionally, it should be noted that for the sake of description, only the parts related to the present invention are shown in the drawings, rather than all the structures.

[0075] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0076] In the present invention, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "over", and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "under", and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the horizontal height of the first feature is lower than that of the second feature.

[0077] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "left", and "right" are based on the orientation or positional relationships shown in the drawings. It is only for the convenience of description and simplifying the operation, 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. Therefore, it should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for distinction in description and do not have special meanings.

[0078] The term "and / or" in this embodiment 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 represent: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, in the present invention, the character " / " generally represents an "or" relationship between the front and rear associated objects.

[0079] In the embodiments of the present invention, the same reference numerals represent the same components, and for the sake of brevity, the detailed descriptions of the same components are omitted in different embodiments.

[0080] Such as Figure 1 and Figure 2As shown, this embodiment provides an operating mechanism for an automatic transfer switch, which can achieve the bidirectional movement of the operating mechanism through only one driving component 1, with high reliability, low cost, less occupied space, and simplified assembly process.

[0081] Specifically, referring to Figure 1 and Figure 2 , the automatic transfer switch includes a housing 100 for installing the operating mechanism. The operating mechanism includes a driving component 1, a transmission component 2, a rotating shaft component 3, and a bracket 5. Among them, the driving component 1 is arranged in the housing 100, and specifically includes a cooperating electromagnetic mechanism 11 and a moving iron core 12. The electromagnetic mechanism 11 is used to drive the moving iron core 12 to move after being energized. The electromagnetic mechanism 11 specifically includes an electromagnet, which is used to drive the moving iron core 12 to move under the action of magnetic attraction. One end of the moving iron core 12 extends out of the electromagnetic mechanism 11. The first end of the transmission component 2 is connected to the end of the moving iron core 12 that extends out of the electromagnetic mechanism 11, and is used to move under the drive of the moving iron core 12 of the driving component 1. The rotating shaft component 3 is rotatably connected to the housing 100 and is movably connected to the second end of the transmission component 2. The rotating shaft component 3 has a first closing position and a second closing position relative to the housing 100, that is, the rotating shaft component 3 can reciprocally rotate between the first closing position and the second closing position to enable the automatic transfer switch to switch the working state.

[0082] The bracket 5 is arranged on the housing 100, and the bracket 5 is provided with a first guiding hole 51. The transmission component 2 is slidably inserted through the first guiding hole 51. The first guiding hole 51 has an intermediate commutation position, which is located between the first end and the second end of the first guiding hole 51 and is farther from the driving component 1 than the first end and the second end of the first guiding hole 51. The moving iron core 12 is used to pull the transmission component 2 to move from the intermediate commutation position to the first end or the second end of the first guiding hole 51 under the action of the electromagnetic mechanism 11, and drive the rotating shaft component 3 to rotate towards the first closing position or the second closing position.

[0083] By providing a first guiding hole 51 on the bracket 5 and making the intermediate commutation position of the first guiding hole 51 farther from the driving assembly 1 than its first end and second end, an opening facing the driving assembly 1 can be formed between the first end and the second end of the first guiding hole 51. When the electromagnetic mechanism 11 does not generate magnetic force on the moving iron core 12, the transmission assembly 2 is located at the intermediate commutation position. When the rotating shaft assembly 3 needs to switch positions, the electromagnetic mechanism 11 generates a magnetic attraction force on the moving iron core 12, so that the moving iron core 12 pulls the transmission assembly 2 from the intermediate commutation position to the first end or the second end of the first guiding hole 51 under the action of the magnetic attraction force of the electromagnetic mechanism 11, and drives the rotating shaft assembly 3 to rotate towards the first closing position or the second closing position, realizing the position switching, and further enabling the automatic transfer switch to switch the working state. This operating mechanism only requires one driving assembly 1, and the bidirectional movement of the operating mechanism can be realized by making the transmission assembly 2 move bidirectionally. It has high reliability, low cost, occupies less space, and simplifies the assembly process.

[0084] Since the intermediate commutation position is farther from the driving assembly 1 than the first end and the second end of the first guiding hole 51, when the transmission assembly 2 moves towards the two ends of the first guiding hole 51, it bears the pulling force of the moving iron core 12, rather than the pushing force of the moving iron core 12. Compared with the method of repelling the moving iron core 12 by the electromagnetic mechanism 11 to push the transmission assembly 2 away, by magnetically attracting the moving iron core 12 by the electromagnetic mechanism 11 to make the moving iron core 12 provide a pulling force to pull the transmission assembly 2 to move, realizing the switching between the first closing position and the second closing position is easier to achieve technically and simpler in structure. It can effectively reduce the assembly and cooperation difficulty between the electromagnetic mechanism 11 and the moving iron core 12, reduce the production cost and improve the production efficiency. Moreover, the solution for making the moving iron core 12 provide a pulling force to realize the closing position switching has higher reliability and lower failure rate in the switch product, improving the overall competitiveness of the product.

[0085] In some embodiments, the first guiding hole 51 extends in an arc shape and the opening faces the driving assembly 1, so that the moving iron core 12 can pull the transmission assembly 2 only by the pulling force.

[0086] In some other embodiments, the first guiding hole 51 extends in a V shape or a U shape, and the openings of the first guiding holes 51 extending in a V shape or a U shape both face the driving assembly 1, so that the moving iron core 12 can pull the transmission assembly 2 only by the pulling force.

[0087] It can be understood that the intermediate commutation position of the first guiding hole 51 is the position farthest from the driving assembly 1.

[0088] Exemplarily, the first closing position is the normal closing position, and the second closing position is the standby closing position. The automatic transfer switch is used to achieve automatic switching between the main power supply and the standby power supply to ensure power supply continuity. When a main power supply fault (such as power failure, abnormal voltage, etc.) is detected, it can quickly cut off the main power supply circuit and connect the standby power supply. Among them, the rotating shaft assembly 3 is connected to the contact system. When the rotating shaft assembly 3 is in the first closing position, the automatic transfer switch is in the first closing state of connecting the main power supply, and at this time, the normal contacts of the contact system are closed; when the rotating shaft assembly 3 is in the second closing position, the automatic transfer switch is in the second closing state of connecting the standby power supply, and at this time, the standby contacts of the contact system are closed.

[0089] Combined with Figure 3 and Figure 4 , the operating mechanism further includes a commutation component 4. The commutation component 4 is connected to the rotating shaft assembly 3 and can move under the drive of the rotating shaft assembly 3. When the rotating shaft assembly 3 is in the first closing position, the commutation component 4 stops at one side of the transmission component 2 along the first direction. When the rotating shaft assembly 3 is in the second closing position, the commutation component 4 stops at one side of the transmission component 2 along the second direction. Among them, the first direction is the direction when the rotating shaft assembly 3 rotates towards the first closing position, and the second direction is the direction when the rotating shaft assembly 3 rotates towards the second closing position. That is, the transmission component 2 is used to drive the rotating shaft assembly 3 to rotate towards the first closing position along the first direction or drive the rotating shaft assembly 3 to rotate towards the second closing position along the second direction under the drive of the driving component 1; the first direction and the second direction are opposite.

[0090] The operating mechanism of the automatic transfer switch provided in this embodiment is as follows: When the rotating shaft assembly 3 is in the first closing position, the commutation assembly 4 stops at one side of the transmission assembly 2 along the first direction. When the driving assembly 1 operates, the transmission assembly 2 drives the rotating shaft assembly 3 to rotate. At this time, due to the stopping effect of the commutation assembly 4, the transmission assembly 2 cannot drive the rotating shaft assembly 3 to rotate along the first direction, but can only rotate along the second direction towards the second closing position, so that the rotating shaft assembly 3 can be smoothly switched to the second closing position. When the rotating shaft assembly 3 is in the second closing position, the commutation assembly 4 moves to a position where it stops at one side of the transmission assembly 2 along the second direction under the drive of the rotating shaft assembly 3. At this time, when the driving assembly 1 operates, the transmission assembly 2 drives the rotating shaft assembly 3 to rotate. Due to the stopping effect of the commutation assembly 4, the transmission assembly 2 cannot drive the rotating shaft assembly 3 to rotate along the second direction, but can only rotate along the first direction towards the first closing position, so that the rotating shaft assembly 3 can be smoothly switched to the first closing position. In this operating mechanism, by setting the commutation assembly 4 and relying on the stopping effect of the commutation assembly 4, the transmission assembly 2 can drive the rotating shaft assembly 3 to rotate in different directions at the first closing position and the second closing position respectively, so as to realize the switching between the first closing position and the second closing position. Moreover, by setting the commutation assembly 4, the operating mechanism only needs one driving assembly 1 to realize the bidirectional movement of the operating mechanism, with high reliability, low cost, less occupied space and simplified assembly process.

[0091] See Figure 3 and Figure 4 As shown in FIGS. and

[0091] , a first mating portion 311 and a second mating portion 312 are provided on the rotating shaft assembly 3. The second end of the transmission assembly 2 moves relative to the rotating shaft assembly 3 between the first mating portion 311 and the second mating portion 312, and the transmission assembly 2 is detachably abutted against the first mating portion 311 and the second mating portion 312 respectively. When abutted, it can drive the rotating shaft assembly 3 to rotate towards the two closing positions respectively through the cooperation with the first mating portion 311 and the second mating portion 312. Exemplarily, after the transmission assembly 2 moves to abut against the first mating portion 311, it drives the rotating shaft assembly 3 to rotate along the second direction towards the second closing position; after the transmission assembly 2 moves to abut against the second mating portion 312, it drives the rotating shaft assembly 3 to rotate along the first direction towards the first closing position.

[0092] Specifically, Figure 3 FIG. Figure 3 shows a schematic diagram when the rotating shaft assembly 3 is in the first closing position, Figure 4 and FIG. Figure 4 shows a schematic diagram when the rotating shaft assembly 3 is in the second closing position. It should be noted that Figure 3 and Figure 4The dashed-line structure in the figure is a schematic diagram of the second end of the transmission component 2 at two closing positions. When the rotating shaft component 3 is in the first closing position, the commutation component 4 stops between the second mating portion 312 and the second end of the transmission component 2. Therefore, due to the stopping effect of the commutation component 4, the transmission component 2 cannot cross the commutation component 4 to cooperate with the second mating portion 312. It can only move to the position of the first mating portion 311 under the drive of the drive component 1 and drive the rotating shaft component 3 to rotate towards the second closing position by abutting against the first mating portion 311. When the rotating shaft component 3 is in the second closing position, the commutation component 4 stops between the first mating portion 311 and the transmission component 2. Therefore, due to the stopping effect of the commutation component 4, the transmission component 2 cannot cross the commutation component 4 to cooperate with the first mating portion 311. It can only move to the position of the second mating portion 312 under the drive of the drive component 1 and drive the rotating shaft component 3 to rotate towards the first closing position by abutting against the second mating portion 312.

[0093] As Figure 1 and Figure 2 shown, the transmission component 2 includes a first connecting rod 21 and a transmission shaft 22. The two ends of the first connecting rod 21 are respectively rotatably connected to one end of the moving iron core 12 extending out of the electromagnetic mechanism 11 and the transmission shaft 22. In this embodiment, the first guiding hole 51 extends in an arc centered on the rotation axis of the rotating shaft component 3. The end of the transmission shaft 22 away from the first connecting rod 21 is the second end of the transmission component 2, which is slidably fitted through the first guiding hole 51 and detachably abuts against the first mating portion 311 and the second mating portion 312 on the rotating shaft component 3. When the rotating shaft component 3 is in the first closing position and the second closing position, the commutation component 4 is used to stop the transmission shaft 22 so that the transmission shaft 22 can only move to the position of the first mating portion 311 or the position of the second mating portion 312.

[0094] The moving iron core 12, the first connecting rod 21, the transmission shaft 22 and the bracket 5 form a four-bar linkage mechanism. When the moving iron core 12 moves under the drive of the electromagnetic mechanism 11, it can pull the first connecting rod 21 to move. The first connecting rod 21 then drives the transmission shaft 22 to slide along the first guiding hole 51 and abut against the first mating portion 311 or the second mating portion 312, and the transmission is stable and reliable.

[0095] See Figure 3 and Figure 4, a second guiding hole 31 is provided on the rotating shaft assembly 3. The second guiding hole 31 extends in an arc centered on the rotation axis of the rotating shaft assembly 3, and the transmission shaft 22 is slidably engaged with the second guiding hole 31. The first engaging portion 311 and the second engaging portion 312 are respectively the hole walls at both ends of the second guiding hole 31. Specifically, the transmission shaft 22 is substantially perpendicular to the first connecting rod 21, passes through the first guiding hole 51 and extends into the second guiding hole 31, and is slidably engaged with both the first guiding hole 51 and the second guiding hole 31. When the transmission shaft 22 slides in the second guiding hole 31 driven by the first connecting rod 21, it can slide to abut against the hole wall at the first end of the second guiding hole 31 (i.e., the first engaging portion 311) or slide to abut against the hole wall at the second end of the second guiding hole 31 (i.e., the second engaging portion 312).

[0096] See Figure 3 , when the transmission shaft 22 slides in the second guiding hole 31 in the second direction, it can abut against the first engaging portion 311; See Figure 4 , when the transmission shaft 22 slides in the second guiding hole 31 in the first direction, it can abut against the second engaging portion 312.

[0097] In this embodiment, see Figure 1 , the transmission assembly 2 further includes a first elastic member 23. One end of the first elastic member 23 is connected to the bracket 5 or the housing 100, and the other end is connected to the transmission shaft 22. During the sliding process of the transmission shaft 22 along the second guiding hole 31, it can drive the first elastic member 23 to elastically deform. When the rotating shaft assembly 3 is in the first closing position and the second closing position, the first elastic member 23 is collinear with the first connecting rod 21 and has a first length. As Figure 10 and Figure 13 shown, the transmission shaft 22 is in an initial position separated from both the first engaging portion 311 and the second engaging portion 312; Combining Figure 3 and Figure 4 , the position of the transmission shaft 22 represented by the dashed structure is the initial position. At this time, there is a gap between the transmission shaft 22 and both the first engaging portion 311 and the second engaging portion 312. When the transmission shaft 22 moves to abut against the first engaging portion 311 and the second engaging portion 312, the first elastic member 23 is in a stretched state and has a second length; wherein, the second length is greater than the first length.

[0098] That is, during the movement of the transmission shaft 22 to abut against the first mating portion 311 and the second mating portion 312, the first elastic member 23 is stretched to store energy. When the transmission shaft 22 continues to drive the rotating shaft assembly 3 to rotate towards the first closing position or the second closing position through the abutting action with the first mating portion 311 and the second mating portion 312, the first elastic member 23 is continuously stretched until the rotating shaft assembly 3 rotates to the corresponding closing position. At this time, the first elastic member 23 and the first connecting rod 21 are arranged at an angle. When the electromagnet is powered off, the moving iron core 12 is no longer magnetically attracted, and the first elastic member 23 releases elastic potential energy to pull the moving iron core 12 back to its original position through the transmission shaft 22 and the first connecting rod 21 until the first elastic member 23 and the first connecting rod 21 are collinear, and the transmission shaft 22 is stably maintained at the initial position under the elastic force of the first elastic member 23.

[0099] Exemplarily, the first elastic member 23 is a spring, one end of which is hooked and connected to the bracket 5, and the other end is hooked and connected to the transmission shaft 22.

[0100] In some embodiments, such as Figure 7 and Figure 8 as shown, a card slot 52 communicating with the first guiding hole 51 is provided on the bracket 5. When the transmission shaft 22 is in the initial position, it is engaged with the card slot 52 and abuts against the wall of the card slot 52 under the action of the first elastic member 23. When the electromagnet is powered off, the transmission shaft 22 can slide along the first guiding hole 51 under the elastic force of the first elastic member 23 and snap into the card slot 52, so that the transmission shaft 22 is stably maintained at the initial position without random movement. Only when the electromagnet is powered on next time, the transmission shaft 22 can be driven to slide towards the first mating portion 311 or the second mating portion 312 under the driving action of the moving iron core 12. That is, when the transmission shaft 22 is in the position engaged with the card slot 52, it is located at the middle commutation position of the first guiding hole 51.

[0101] In this embodiment, at least a part of the positive projection of the commutation assembly 4 on the plane where the rotating shaft assembly 3 is located can overlap with the second guiding hole 31 to stop the transmission shaft 22 located in the second guiding hole 31.

[0102] Such as Figure 1 and Figure 2 as shown, the bracket 5 fixedly connected to the housing 100 includes a cover plate, the cover plate is spaced from the bottom plate of the housing 100, the cover plate is supported on the bottom plate of the housing 100 through support legs, and the support legs are threadedly connected to the housing 100 through fasteners such as screws. The rotating shaft assembly 3 is rotatably connected to the bottom plate of the housing 100, the cover plate of the bracket 5 covers the rotating shaft assembly 3, the commutation assembly 4 is arranged between the bracket 5 and the rotating shaft assembly 3, the moving iron core 12 and the first connecting rod 21 are located on the side of the cover plate facing away from the rotating shaft assembly 3, and the transmission shaft 22 passes through the first guiding hole 51 and extends into the second guiding hole 31.

[0103] Combined withFigure 3 and Figure 4 On one side of the bracket 5 facing the rotating shaft assembly 3, a first limiting portion 53 and a second limiting portion 54 are arranged at intervals. The commutation assembly 4 is movably located between the first limiting portion 53 and the second limiting portion 54, and can be detachably abutted against the first limiting portion 53 and the second limiting portion 54.

[0104] Specifically, as Figure 3 shown, when the rotating shaft assembly 3 is in the first closing position, the commutation assembly 4 abuts against the first limiting portion 53, and at this time, the commutation assembly 4 stops the transmission shaft 22 in the initial position through the side facing away from the first limiting portion 53. Figure 3 The structure shown by the dotted line in

[0105] is the transmission shaft 22 in the initial position. At this time, since the commutation assembly 4 abuts against the first limiting portion 53 and cannot move, it can play a stable and reliable stopping role on the transmission shaft 22, so that the transmission shaft 22 can only slide along the second direction to the first matching portion 311, and then the rotating shaft assembly 3 rotates towards the second closing position. Figure 4 shown, when the rotating shaft assembly 3 is in the second closing position, the commutation assembly 4 abuts against the second limiting portion 54 and stops the transmission shaft 22 in the initial position through the side facing away from the second limiting portion 54. Figure 4 The structure shown by the dotted line in

[0106] In this embodiment, referring to Figure 2 、 Figure 3 and Figure 4 ,the commutation assembly 4 includes a commutation member 41 and a second elastic member 42. The commutation member 41 is coaxially rotatably connected to the rotating shaft assembly 3, that is, the commutation member 41 is rotatably connected to the rotating shaft assembly 3 and has the same rotation axis as the rotating shaft assembly 3. One end of the second elastic member 42 is connected to the rotating shaft assembly 3, and the other end is connected to the first end of the commutation member 41. The second end of the commutation member 41 is used to stop the transmission shaft 22 of the transmission assembly 2. The rotation center of the commutation member 41 is located between the first end and the second end of the commutation member 41. When the commutation member 41 rotates, its first end and second end swing relative to the rotation center. The commutation member 41 is detachably abutted against the first limiting portion 53 or the second limiting portion 54 under the elastic force of the second elastic member 42, so as to realize the stopping effect on the transmission shaft 22.

[0107] Referring to Figure 3, when the rotating shaft assembly 3 is in the first closing position, the second elastic member 42, the first end of the reversing member 41, and the rotation center of the reversing member 41 are in a non-collinear state. At this time, the reversing member 41 can abut against the first limiting portion 53 under the elastic force of the second elastic member 42. During the process of the transmission shaft 22 driving the rotating shaft assembly 3 to rotate towards the first closing position, it abuts against the second mating portion 312. As shown by the solid line of the transmission shaft 22 in Figure 3 , after reaching the first closing position, the first elastic member 23 releases elastic potential energy to drive the transmission shaft 22 to reset to the initial position. During this process, the transmission shaft 22 contacts and slides along the side of the reversing member 41 facing the first limiting portion 53, and reaches the side of the reversing member 41 facing away from the first limiting portion 53 after passing over the reversing member 41. Thereafter, due to the blocking of the reversing member 41, the transmission shaft 22 cannot move towards the position where the second mating portion 312 is located.

[0108] When the transmission shaft 22 abuts against the first mating portion 311 to drive the rotating shaft assembly 3 to rotate along the second direction towards the second closing position, the rotating shaft assembly 3 drives the reversing member 41 and the second elastic member 42 to rotate synchronously, so that the reversing member 41 separates from the first limiting portion 53 and gradually approaches the second limiting portion 54 until the reversing member 41 contacts the second limiting portion 54. After that, as the rotating shaft assembly 3 rotates, the reversing member 41 is blocked by the second limiting portion 54, so that the second elastic member 42 is stretched and stores energy. When the rotating shaft assembly 3 reaches the second closing position, the second elastic member 42, the first end of the reversing member 41, and the rotation center of the reversing member 41 are in a non-collinear state. Under the elastic force of the second elastic member 42, the reversing member 41 abuts against the second limiting portion 54, as shown in Figure 4 the state shown.

[0109] During the process of the transmission shaft 22 driving the rotating shaft assembly 3 to rotate towards the second closing position, it abuts against the first mating portion 311, as shown by the solid line of the transmission shaft 22 in Figure 4 . After reaching the second closing position, the first elastic member 23 releases elastic potential energy to drive the transmission shaft 22 to reset to the initial position. During this process, the transmission shaft 22 contacts and slides along the side of the reversing member 41 facing the second limiting portion 54, and reaches the side of the reversing member 41 facing away from the second limiting portion 54 after passing over the reversing member 41. Thereafter, due to the blocking of the reversing member 41, the transmission shaft 22 cannot move towards the position where the first mating portion 311 is located.

[0110] See Figure 1 、 Figure 2 and Figure 3The reversing member 41 is rotatably connected between the bracket 5 and the rotating shaft assembly 3 through the mounting shaft 43. The rotating shaft assembly 3 is provided with a fixing column 32, which is spaced apart from the rotating center of the rotating shaft assembly 3 and is located on the side of the rotating center away from the second guide hole 31. One end of the second elastic member 42 is hooked on the fixing column 32, and a hook hole is provided at the first end of the reversing member 41, and the other end of the second elastic member 42 is hooked in the hook hole.

[0111] Exemplarily, the second elastic member 42 is a spring.

[0112] like Figure 3 and Figure 4 As shown, the second end of the switching member 41 is provided with a first stop surface 411 facing away from the first limit portion 53 and a second stop surface 412 facing away from the second limit portion 54, and the first stop surface 411 and the second stop surface 412 are connected at an angle; the transmission assembly 2 can slide along one of the first stop surface 411 and the second stop surface 412 until it stops and cooperates with the other. Specifically, the first stop surface 411 and the second stop surface 412 are connected at an angle so that the second end of the switching member 41 forms a sharp angle structure, which can guide the transmission shaft 22 when it slides. Figure 3 Taking the state shown as an example, when the transmission shaft 22 moves to the initial position under the elastic force of the first elastic member 23, the transmission shaft 22 slides along the second stop surface 412. Since there is a gap between the reversing member 41 and the second limit portion 54, it can adaptively rotate in the direction of the second limit portion 54 under the sliding and squeezing action of the transmission shaft 22, and will not block the transmission shaft 22, so that the transmission shaft 22 smoothly passes over the reversing member 41 to reach the initial position, and is snapped into the slot 52 on the bracket 5 under the action of the first elastic member 23. At this time, the first stop surface 411 of the reversing member 41 is stopped between the transmission shaft 22 and the second matching portion 312.

[0113] Furthermore, the first limiting surface 413 and the second limiting surface 414 are respectively provided on the opposite sides of the commutator 41, wherein the first limiting surface 413 is connected to the first stop surface 411, and the second limiting surface 414 is connected to the second stop surface 412. The first limiting surface 413 is used to detachably abut against the second limiting portion 54, and the second limiting surface 414 is used to detachably abut against the first limiting portion 53. Along the direction approaching the first stop surface 411 and the second stop surface 412, the spacing between the first limiting surface 413 and the second limiting surface 414 gradually decreases, so that the commutator 41 is in a pointed cone shape as a whole, and the shape is smoother. Moreover, such a setting can keep a sufficient interval between the limiting surface and the corresponding limiting portion when not abutting, so that there is enough space to allow the commutator 41 to adaptively rotate in the direction of the corresponding limiting portion under the sliding extrusion of the transmission shaft 22.

[0114] like Figure 2As shown, in this embodiment, the operating mechanism further includes a telescopic energy storage component 6. A connecting portion 33 spaced from the rotation center of itself is provided on the rotating shaft assembly 3. The two ends of the energy storage component 6 are respectively in rotational cooperation with the housing 100 and the connecting portion 33; combined with Figure 3 , Figure 4 , Figure 9 and Figure 12 shown, when the rotating shaft assembly 3 is in the first closing position and the second closing position, the energy storage component 6 has a third length. The rotating shaft assembly 3 further has an energy storage position located between the first closing position and the second closing position. When the rotating shaft assembly 3 rotates between the first closing position and the second closing position, it must pass through the energy storage position. When the rotating shaft assembly 3 is in the energy storage position, the rotation center of the rotating shaft assembly 3 and the rotation centers of both ends of the energy storage component 6 are collinear. The energy storage component 6 is in a compressed state and has a fourth length; wherein, the fourth length is less than the third length.

[0115] That is, when the rotating shaft assembly 3 rotates towards the first closing position or the second closing position, the energy storage component 6 is compressed from the third length to the fourth length, and then reset from the fourth length to the third length. Since the energy storage component 6 releases elastic potential energy after being compressed to the fourth length, the rotating shaft assembly 3 can be driven to quickly reach the first closing position or the second closing position under the elastic force of the energy storage component 6.

[0116] In this embodiment, the energy storage component 6 at the first closing position and the second closing position is symmetric with respect to the energy storage component 6 at the energy storage position, and the rotating shaft assembly 3 at the first closing position and the second closing position is symmetric with respect to the rotating shaft assembly 3 at the energy storage position.

[0117] Specifically, as Figure 6 shown, the energy storage component 6 includes a second connecting rod 61, a third connecting rod 62, and a third elastic member 63; the second connecting rod 61 is in rotational cooperation with the housing 100, the third connecting rod 62 is in rotational cooperation with the connecting portion 33, the third elastic member 63 is sleeved on the second connecting rod 61 and the third connecting rod 62, and stoppers 611 for abutting against the third elastic member 63 are provided on both the second connecting rod 61 and the third connecting rod 62. The third elastic member 63 is compressed and limited between the stoppers 611 of the second connecting rod 61 and the third connecting rod 62, so that the second connecting rod 61 and the third connecting rod 62 can move towards and away from each other.

[0118] Further, combined with Figure 6 and Figure 9, a rotating groove is recessed in the inner wall of the housing 100. The second connecting rod 61 is rotatably abutted in the rotating groove under the elastic force of the third elastic member 63. The third connecting rod 62 is rotatably connected to the connecting portion 33 through a rotating shaft. The second connecting rod 61 and the third connecting rod 62 are arranged in a cross manner, and corresponding insertion ports 612 are provided thereon, so that the second connecting rod 61 and the third connecting rod 62 can be inserted into each other through the insertion ports 612, enabling them to avoid each other when moving towards each other, and at the same time increasing the compression degree of the energy storage assembly 6.

[0119] As Figure 2 and Figure 5 shown, the operating mechanism further includes an operating handle 7. The operating handle 7 includes a rotating portion 71 and an operating handle 72 provided on the rotating portion 71. The rotating portion 71 is rotatably connected to the housing 100, and at least a part of the operating handle 72 extends out of the housing 100. The rotating shaft assembly 3 is in gear engagement with the rotating portion 71. Specifically, a first gear 34 is provided on the rotating shaft assembly 3, and a second gear 711 meshing with the first gear 34 is provided on the rotating portion 71 of the operating handle 7. When one of the rotating shaft assembly 3 and the operating handle 7 rotates, the other can be synchronously rotated through the meshing action between the first gear 34 and the second gear 711. The part of the operating handle 72 extending out of the housing 100 can provide an indication function for the operator to indicate whether the current automatic transfer switch is in the first closing position or the second closing position.

[0120] This embodiment also provides an automatic transfer switch, including a housing 100 and the operating mechanism of the automatic transfer switch as described above, and the operating mechanism is arranged in the housing 100.

[0121] Due to the inclusion of the above-mentioned operating mechanism, this automatic transfer switch has high reliability when switching between the first closing state and the second closing state. And since only one driving mechanism needs to be set, the production cost can be effectively reduced, the assembly process can be simplified, which is beneficial to the realization of the miniaturized design of the switch. Moreover, due to the structural setting of the first guiding hole 51, the electromagnetic mechanism 11 of the driving assembly 1 magnetically attracts the moving iron core 12, so that the moving iron core 12 pulls the transmission assembly 2 to realize the switching of the closing state, which can reduce the technical difficulty, simplify the product structure, simplify the assembly process, and improve the use reliability.

[0122] The working process of the operating mechanism of the automatic transfer switch provided in this embodiment is generally as follows:

[0123] 1) Electric switching process:

[0124] As Figure 10 shown, the automatic transfer switch is in the first closing state, the rotating shaft assembly 3 is in the first closing position, the transmission shaft 22 is stuck in the card slot 52 under the pulling force of the first elastic member 23, and the first connecting rod 21 is in a state collinear with the first elastic member 23. The reversing member 41 of the reversing assembly 4 stops between the transmission shaft 22 and the second mating portion 312.

[0125] When the electromagnetic mechanism 11 is energized, the moving iron core 12 is pulled and retracted into the electromagnetic mechanism 11. At the same time, the transmission shaft 22 is driven by the first connecting rod 21 to slide along the first guiding hole 51 and the second guiding hole 31, and the first elastic member 23 is stretched. At this time, due to the blocking effect of the commutation member 41, the transmission shaft 22 can only slide along the second direction towards the first engaging portion 311. When it abuts against the first engaging portion 311, it drives the rotating shaft assembly 3 to rotate along the second direction. During this period, the rotating shaft assembly 3 compresses the energy storage assembly 6. After the rotating shaft assembly 3 passes the energy storage position, the energy storage assembly 6 releases the elastic potential energy to drive the rotating shaft assembly 3 to quickly reach the second closing position. As shown in Figure 11 and Figure 12 shown, at this moment, the transmission shaft 22 still abuts against the first engaging portion 311. Then, the electromagnetic mechanism 11 is de-energized, and under the elastic force of the first elastic member 23, the transmission shaft 22 is driven to move along the first direction until it is caught in the card slot 52 on the bracket 5 and is in the state as shown in Figure 13 shown.

[0126] When the electromagnetic mechanism 11 in the second closing state as shown in Figure 13 is energized, the transmission shaft 22 is driven to move by the moving iron core 12, and the first elastic member 23 is stretched. At this time, due to the blocking effect of the commutation member 41, the transmission shaft 22 can only slide along the first direction towards the second engaging portion 312. When it abuts against the second engaging portion 312, it drives the rotating shaft assembly 3 to rotate along the first direction towards the first closing position. Similarly, in the second half of the movement of the rotating shaft assembly 3, the energy storage assembly 6 releases the potential energy to drive the rotating shaft assembly 3 to quickly reach the first closing position. As shown in Figure 8 and Figure 9 shown, at this moment, the transmission shaft 22 still abuts against the second engaging portion 312. Then, the electromagnetic mechanism 11 is de-energized, and under the elastic force of the first elastic member 23, the transmission shaft 22 is driven to move along the second direction until it is caught in the card slot 52 on the bracket 5 and is in the state as shown in Figure 10 shown.

[0127] During the rotation of the rotating shaft assembly 3, the operating handle 7 is synchronously switched in position through gear cooperation. And under the action of the energy storage assembly 6, the rotating shaft assembly 3 can be stably held at the first closing position or the second closing position.

[0128] 2) Manual switching process:

[0129] For the situation as shown in Figure 10 and Figure 13The automatic transfer switch shown in the two closed states is rotated by operating the handle 7 to drive the rotation of the rotating shaft assembly 3. The rotating shaft assembly 3 drives the movement of the commutation assembly 4 to cause the commutation member 41 to commutate, so that it switches from the position where it abuts against one of the first limiting portion 53 and the second limiting portion 54 to the position where it abuts against the other, so that the commutation member 41 can stop on the corresponding side of the transmission shaft 22. During the rotation of the rotating shaft assembly 3, the energy storage assembly 6 is compressed. After the rotating shaft assembly 3 passes the energy storage position, the energy storage assembly 6 releases the potential energy to drive the rotating shaft assembly 3 to quickly rotate to the first closing position or the second closing position, and can be stably maintained at the first closing position or the second closing position under the action of the energy storage assembly 6.

[0130] Obviously, the above-mentioned embodiments of the present invention are only examples for clearly explaining the present invention, and are not intended to limit the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. An operating mechanism of an automatic transfer switch, the automatic transfer switch comprising a housing (100) for mounting the operating mechanism, characterized in that: The operating mechanism comprises: A driving assembly (1) comprising an electromagnetic mechanism (11) disposed on the housing (100) and a moving iron core (12) matched with the electromagnetic mechanism (11); A transmission assembly (2), a first end of which is connected to the moving iron core (12); A rotating shaft assembly (3) is rotatably connected to the housing (100) and movably connected to the second end of the transmission assembly (2); the rotating shaft assembly (3) has a first closing position and a second closing position relative to the housing (100); A bracket (5) is arranged on the housing (100), the bracket (5) is provided with a first guide hole (51), the transmission assembly (2) is slidably inserted into the first guide hole (51), the first guide hole (51) has an intermediate reversing position, the intermediate reversing position is located between the first end and the second end of the first guide hole (51), and is farther away from the driving assembly (1) than the first end and the second end of the first guide hole (51); The moving iron core (12) is used to pull the transmission assembly (2) from the middle reversing position to the first end or the second end of the first guide hole (51) under the action of the electromagnetic mechanism (11), and drive the rotating shaft assembly (3) to rotate toward the first closing position or the second closing position.

2. The operating mechanism of the automatic transfer switch according to claim 1, characterized in that: The operating mechanism also includes: a reversing assembly (4) connected to the rotating shaft assembly (3); when the rotating shaft assembly (3) is located at the first closing position, the reversing assembly (4) stops at one side of the transmission assembly (2) along the first direction; and when the rotating shaft assembly (3) is located at the second closing position, the reversing assembly (4) stops at one side of the transmission assembly (2) along the second direction; The first direction is the direction in which the rotating shaft assembly (3) rotates towards the first closing position, and the second direction is the direction in which the rotating shaft assembly (3) rotates towards the second closing position.

3. The operating mechanism of the automatic transfer switch according to claim 2, characterized in that: The rotating shaft assembly (3) is provided with a first matching portion (311) and a second matching portion (312); The second end of the transmission assembly (2) moves relative to the shaft assembly (3) between the first matching portion (311) and the second matching portion (312), and the transmission assembly (2) is detachably abutted against the first matching portion (311) and the second matching portion (312); When the rotating shaft assembly (3) is located at the first closing position, the reversing assembly (4) is stopped between the second matching portion (312) and the transmission assembly (2); when the rotating shaft assembly (3) is located at the second closing position, the reversing assembly (4) is stopped between the first matching portion (311) and the transmission assembly (2).

4. The operating mechanism of the automatic transfer switch according to claim 3, characterized in that: The transmission assembly (2) comprises a first connecting rod (21) and a transmission shaft (22); the two ends of the first connecting rod (21) are rotatably connected to the moving iron core (12) and the transmission shaft (22), respectively; the transmission shaft (22) is slidably fitted in the first guide hole (51) and is detachably abutted against the first matching portion (311) and the second matching portion (312); the reversing assembly (4) is used to stop the transmission shaft (22).

5. The operating mechanism of the automatic transfer switch according to claim 4, characterized in that: The rotating shaft assembly (3) is provided with a second guide hole (31), the second guide hole (31) extending in an arc shape with the rotating axis of the rotating shaft assembly (3) as the center; the transmission shaft (22) and the second guide hole (31) are slidably matched; The first matching portion (311) and the second matching portion (312) are respectively hole walls located at two ends of the second guide hole (31).

6. The operating mechanism of the automatic transfer switch according to claim 4, characterized in that: The transmission assembly (2) further comprises a first elastic member (23), one end of the first elastic member (23) being connected to the bracket (5) or the housing (100), and the other end of the first elastic member (23) being connected to the transmission shaft (22); When the rotating shaft assembly (3) is located at the first closing position and the second closing position, the first elastic member (23) is colinear with the first connecting rod (21) and has a first length, and the transmission shaft (22) is in an initial position separated from both the first matching portion (311) and the second matching portion (312); when the transmission shaft (22) abuts against the first matching portion (311) and the second matching portion (312), the first elastic member (23) is in a stretched state and has a second length; Wherein, the second length is greater than the first length.

7. The operating mechanism of the automatic transfer switch according to claim 6, characterized in that: The bracket (5) is provided with a slot (52) connected to the first guide hole (51); the transmission shaft (22) is engaged with the slot (52) when in the initial position, and abuts against the slot wall of the slot (52) under the action of the first elastic member (23).

8. The operating mechanism of the automatic transfer switch according to claim 2, characterized in that: The reversing assembly (4) is arranged between the bracket (5) and the rotating shaft assembly (3); The bracket (5) is provided with a first limiting portion (53) and a second limiting portion (54) at intervals, and the reversing assembly (4) is movably located between the first limiting portion (53) and the second limiting portion (54); When the rotating shaft assembly (3) is located at the first closing position, the reversing assembly (4) abuts against the first limiting portion (53) and stops the transmission assembly (2) through the side facing away from the first limiting portion (53); when the rotating shaft assembly (3) is located at the second closing position, the reversing assembly (4) abuts against the second limiting portion (54) and stops the transmission assembly (2) through the side facing away from the second limiting portion (54).

9. The operating mechanism of the automatic transfer switch according to claim 8, characterized in that: The reversing assembly (4) comprises a reversing member (41) and a second elastic member (42); The reversing member (41) is coaxially rotatably connected to the rotating shaft assembly (3); one end of the second elastic member (42) is connected to the rotating shaft assembly (3), and the other end is connected to the first end of the reversing member (41); the second end of the reversing member (41) is used to stop the transmission assembly (2); the rotation center of the reversing member (41) is located between the first end and the second end of the reversing member (41); and the reversing member (41) is detachably abutted against the first limiting portion (53) or the second limiting portion (54) under the elastic force of the second elastic member (42).

10. The operating mechanism of the automatic transfer switch according to claim 9, characterized in that: The second end of the reversing member (41) is provided with a first stop surface (411) facing away from the first limiting portion (53) and a second stop surface (412) facing away from the second limiting portion (54); the first stop surface (411) and the second stop surface (412) are connected at an angle; the transmission assembly (2) can slide along one of the first stop surface (411) and the second stop surface (412) until it stops and cooperates with the other.

11. The operating mechanism of the automatic transfer switch according to any one of claims 1 to 10, characterized in that: The operating mechanism further comprises a retractable energy storage assembly (6); the rotating shaft assembly (3) is provided with a connecting portion (33) spaced from its own rotation center; two ends of the energy storage assembly (6) are respectively rotatably matched with the housing (100) and the connecting portion (33); when the rotating shaft assembly (3) is located at the first closing position and the second closing position, the energy storage assembly (6) has a third length; The rotating shaft assembly (3) further has an energy storage position located between the first closing position and the second closing position; in the energy storage position, the rotation center of the rotating shaft assembly (3) and the rotation centers of two ends of the energy storage assembly (6) are collinear, and the energy storage assembly (6) is in a compressed state and has a fourth length; Wherein, the fourth length is smaller than the third length.

12. The operating mechanism of the automatic transfer switch according to claim 11, characterized in that: The energy storage assembly (6) comprises a second connecting rod (61), a third connecting rod (62) and a third elastic member (63); The second connecting rod (61) is rotationally engaged with the shell (100), the third connecting rod (62) is rotationally engaged with the connecting portion (33), the third elastic member (63) is sleeved on the second connecting rod (61) and the third connecting rod (62), and the second connecting rod (61) and the third connecting rod (62) are both provided with a stopper (611) abutting against the third elastic member (63).

13. The operating mechanism of the automatic transfer switch according to any one of claims 1 to 10, characterized in that: The operating mechanism further comprises an operating handle (7), the operating handle (7) comprising a rotating portion (71) and an operating handle (72) arranged on the rotating portion (71), the rotating portion (71) being rotatably connected to the housing (100), the operating handle (72) at least partially extending out of the housing (100), and the rotating shaft assembly (3) and the rotating portion (71) being gear-matched; and / or, The first guide hole (51) extends in an arc shape, a V shape, or a U shape.

14. An automatic transfer switch, characterized in that: It comprises a housing (100) and an operating mechanism of an automatic transfer switch according to any one of claims 1 to 13, wherein the operating mechanism is arranged in the housing (100).

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