A circuit breaker operating mechanism

Abstract

The present application relates to a circuit breaker operating mechanism, which is applied in the field of circuit breakers. It includes a manual energy storage component, an automatic energy storage component, a manual release component, an automatic release component, an interlocking switching component and a rocker component. The rocker component is rotatably connected to a support seat, and a main shaft is provided on the support seat. The main shaft runs through the rocker component, and the rotation of the main shaft drives the rocker component to swing back and forth around the support seat; the main shaft includes a driving shaft and a limit cam, the manual energy storage component is sleeved on one end of the driving shaft to drive the driving shaft to rotate, and the automatic energy storage component is sleeved on the other end of the driving shaft to drive the driving shaft to rotate. The manual energy storage component and the automatic energy storage component are switched by an interlocking switching component. The present application has the effect of being easier and faster to assemble.

Description

Technical Field

[0001] The present application relates to the field of circuit breakers, and in particular to an operating mechanism of a circuit breaker. Background Art

[0002] Circuit breakers are widely used in the industrial field and are generally used for infrequent circuit switching. The circuit breakers commonly used in the existing industrial field are generally controlled by operating mechanisms. There are three common types of circuit breaker operating mechanisms: manual circuit breaker operating mechanisms, automatic circuit breaker operating mechanisms, and manual and automatic dual-purpose circuit breaker operating mechanisms that combine manual and automatic functions.

[0003] For example, a manual and electric dual-purpose circuit breaker operating mechanism recorded in the relevant technology, when the circuit breaker operating mechanism needs manual energy storage, the sliding seat is pulled so that the convex bar does not block the handle, and the handle is continuously manually turned to store energy for the circuit breaker operating mechanism; when the circuit breaker operating mechanism needs electric energy storage, the sliding seat is pulled so that the first convex block does not press against the reed of the micro switch, and the circuit breaker operating mechanism stores energy through the motor.

[0004] The related technology also discloses a manual electric operating mechanism, which specifically discloses a manual-automatic switching structure, and discloses the application of the structure in the circuit breaker operating mechanism. When manually storing energy, the handle is turned to complete the manual energy storage. When storing energy electrically, the card seat slides into the inserted handle to limit the rotation of the handle. At the same time, due to the movement of the position of the card seat, the reed originally pressed by the card seat is restored, and the micro switch is disconnected. The energy storage operation can be driven by the motor, so that it can switch freely between manual energy storage and electric energy storage, and release instantly after the energy storage is completed.

[0005] With respect to the above-mentioned related technologies, the inventors have found the following defects: during the installation and assembly process, the structure of the entire circuit breaker operating mechanism is complicated, the assembly is difficult and time-consuming, and the efficiency is low. Summary of the invention

[0006] In order to improve the problem of complex structure and difficult assembly of circuit breaker, the present application provides a circuit breaker operating mechanism.

[0007] A circuit breaker operating mechanism provided in this application adopts the following technical solution:

[0008] A circuit breaker operating mechanism, used for opening and closing a circuit breaker, comprises a manual energy storage assembly, an automatic energy storage assembly, a manual release assembly, an automatic release assembly, a chain switch assembly and a rocker assembly arranged on a support seat, wherein the rocker assembly is rotatably connected to the support seat, a main shaft is arranged on the support seat, the main shaft passes through the rocker assembly, and the main shaft rotates to drive the rocker assembly to swing back and forth with the support seat as the center;

[0009] The rocker assembly comprises a rocker frame and a rocker shaft, the rocker frame is provided with a rotation hole for the rocker shaft to pass through, the rotation hole passes through the rocker frame, the rocker shaft is fixed to the support seat through the rotation hole, a tension spring is fixed to the rocker frame, and one end of the tension spring away from the rocker frame is fixedly connected to the support seat;

[0010] The rocker frame is provided with a first toggle shaft and a second toggle shaft at one end away from the main shaft, the first toggle shaft is fixed to the rocker frame, two ends of the first toggle shaft are coaxially provided with extension plates, the extension plates are rotatably connected to the ends of the first toggle shaft, a second toggle shaft is provided between a pair of the extension plates, and the toggle arm of the circuit breaker is inserted between the first toggle shaft and the second toggle shaft;

[0011] The main shaft includes a driving shaft and a limit cam, a waist-shaped hole for the driving shaft to pass through is opened on the rocker frame, the waist-shaped hole is placed between the rocker shaft and the toggle shaft, the driving shaft passes through the waist-shaped hole and is fixed on the support seat, a limit cam is correspondingly sleeved and fixed at both ends of the driving shaft, and a rotating wheel is provided on the rocker frame, and the rotating wheel is against the outer edge of the limit cam;

[0012] The manual energy storage component is sleeved on one end of the driving shaft to drive the driving shaft to rotate, and the automatic energy storage component is sleeved on the other end of the driving shaft to drive the driving shaft to rotate. The manual energy storage component and the automatic energy storage component are switched through the interlocking switching component.

[0013] By adopting the above technical solution, the rocker arm frame is in the shape of a parallelogram as a whole, and swings back and forth based on the support seat. During the reciprocating swinging process, the driving shaft moves back and forth in the waist-shaped hole, thereby realizing the parallel movement of the rocker arm frame. During the parallel movement, the toggle arm of the circuit breaker is always limited by the toggle shaft, so that the toggle arm of the circuit breaker can move back and forth with the swinging of the rocker arm frame, thereby realizing the use of the rocker arm frame to drive the toggle arm of the circuit breaker, and the manual energy storage component and the automatic energy storage component only need to store energy and release it once to drive the rocker arm frame.

[0014] The rocker arm frame is passed through by the driving shaft, and a limit cam is mounted on the driving shaft, and a rotating wheel abutting the limit cam is arranged on the rocker arm frame. The main shaft and the limit cam rotate coaxially. At this time, only the manual energy storage component or the automatic energy storage component needs to store energy, and finally release it once to drive the driving shaft to rotate. When the limit cam rotates, the rotating wheel moves along the outer edge of the limit cam, and the height difference of the limit cam is used to push the rocker arm frame to move horizontally. The height difference of the limit cam is the stroke of the rocker arm frame. When the manual energy storage component or the automatic energy storage component is released at one time, it drives the driving shaft to rotate rapidly, thereby realizing the rapid swing of the rocker arm frame and finally realizing the rapid movement of the toggle arm of the circuit breaker, thereby realizing the rapid opening and closing of the circuit breaker.

[0015] During the energy storage process of the manual energy storage component or the automatic energy storage component, the limit cam will also rotate, and the tension spring will be stretched to store energy. That is to say, whether it is a manual energy storage component or an automatic energy storage component, the energy storage is completed by the tension spring. When the energy needs to be released at one time, the limit cam is driven to rotate quickly by resetting the tension spring to achieve the quick disconnection of the circuit breaker. The actual part used to directly drive the circuit breaker is independent of the manual energy storage component and the automatic energy storage component, and is only connected to each other by the driving shaft, so that each part can be independently produced and assembled, which improves the assembly efficiency and makes the assembly simpler and faster.

[0016] The automatic energy storage component and the manual energy storage component are switched through the interlocking switching component, that is, only one set of the automatic energy storage component and the manual energy storage component can be operated at the same time, or the manual energy storage component and the automatic energy storage component cannot be operated, that is, the entire operating mechanism is in a locked state, and the circuit breaker cannot be operated. The interlocking switching component is placed between the manual energy storage component and the automatic energy storage component. When the interlocking switching component is biased toward the side of the manual energy storage component, the manual energy storage component is locked, and only the automatic energy storage component can be operated. When the interlocking switching component is biased toward the side of the automatic energy storage component, the manual energy storage component is unlocked and the automatic energy storage component is unlocked, and only the manual energy storage component can be operated. When the interlocking switching component is at the same distance from the manual energy storage component and the automatic energy storage component, both the manual energy storage component and the automatic energy storage component are in a locked state, that is, the circuit breaker operating mechanism cannot operate the circuit breaker, which is convenient for keeping the circuit breaker in a stable state during maintenance and avoiding safety accidents, and has high safety.

[0017] Optionally, the interlocking switching assembly includes a transverse locking block, a sliding plate and a pressing block, the sliding plate is arranged on the support seat and placed between the manual energy storage assembly and the automatic energy storage assembly, the transverse locking block is fixed at one end of the sliding plate, and the pressing block is fixed at the other end of the sliding plate, and when the sliding plate slides toward the direction of the manual energy storage assembly, the transverse locking block is inserted into the manual energy storage assembly, and when the sliding plate moves toward the direction of the automatic energy storage assembly, the automatic energy storage assembly is powered off.

[0018] By adopting the above technical solution, the sliding piece moves, and when the sliding piece moves in the direction of the manual energy storage assembly, the transverse lock block at the end of the sliding piece is inserted into the manual energy storage assembly, thereby locking the manual energy storage assembly. When the sliding piece moves in the opposite direction, the pressing block contacts the automatic energy storage assembly, the automatic energy storage assembly is powered off, and the automatic energy storage assembly cannot be used, while the transverse lock block is removed from the manual energy storage assembly, and the manual energy storage assembly is restored. When the sliding piece slides to the middle position between the manual energy storage assembly and the automatic energy storage assembly, the transverse lock block is still inserted into the manual energy storage assembly, and the pressing block is also pressed on the automatic energy storage assembly at the same time, and both the manual energy storage assembly and the automatic energy storage assembly cannot be used. During subsequent maintenance, the position of the sliding piece can be adjusted to place the sliding piece in the middle of the manual energy storage assembly and the automatic energy storage assembly, so that both the manual energy storage assembly and the automatic energy storage assembly cannot be used, and the circuit breaker cannot be operated, which reduces the possibility of the circuit breaker being mistakenly closed during the maintenance process, and the maintenance process is safer.

[0019] Optionally, the manual energy storage assembly includes a rotating part and a non-return part, the rotating part includes a ratchet and a rotating pawl sleeved on one end of the driving shaft, the rotation of the ratchet drives the driving shaft to rotate, the rotating pawl is rotatably connected to the support seat, and the end of the rotating pawl is engaged with the ratchet;

[0020] The non-return portion includes a non-return pawl and a non-return spring. The non-return pawl is rotatably connected to the support seat. The end of the non-return pawl is engaged with the ratchet. When the rotating pawl pushes the ratchet to rotate, the ratchet pushes the non-return pawl away from the ratchet.

[0021] By adopting the above technical solution, when manually storing energy, the rotating pawl is turned, and the rotating pawl is engaged between the teeth of the ratchet. At this time, the rotating pawl is pushed to drive the ratchet to rotate, so that the active drive can rotate and drive the active shaft to rotate. When the rotating pawl moves to the limit position, the rotating pawl is released. At this time, since the ratchet is still in contact with the non-return pawl, even if the ratchet has a tendency to rotate in the opposite direction due to the action of the tension spring, it will be stuck by the non-return pawl. After the rotating pawl is reset, the rotating pawl can be repeatedly pushed until the entire energy storage operation is completed. When rotating, the rotating pawl and the non-return pawl are used together on the same ratchet, so that the rotating pawl can be repeatedly unhooked from the ratchet without the ratchet having a tendency to reverse under the action of the tension spring, and the structure is simpler and more compact.

[0022] Optionally, a mounting frame is rotatably connected to the support seat, an extended end of the mounting frame pushes against the rotating pawl, a pressing plate is rotatably connected to the mounting frame, the pressing plate is placed above the pawl, a return spring is fixed between the mounting frame and the rotating pawl, and the pressing plate pushes the mounting frame to push against the rotating pawl when the pressing plate rotates;

[0023] The pressing plate is provided with a locking groove for the transverse locking block to be inserted into. When the transverse locking block moves toward the manual energy storage assembly, the transverse locking block is inserted into the locking groove.

[0024] By adopting the above technical solution, a pressing plate is installed on the rotating pawl, and a locking groove is provided on the pressing plate. The function of the pressing plate is only to provide a point of force during manual energy storage, making manual energy storage more convenient. The locking groove is provided on the pressing plate, which will not affect the coordination function of other structures, and thus will not affect the realization of the function of the entire circuit breaker operating mechanism.

[0025] Optionally, the manual release assembly includes a button switch arranged on the support seat, a connecting plate and an energy storage cam sleeved and fixed on the active shaft, the button switch pushes the connecting plate, one end of the connecting plate away from the button switch extends toward the energy storage cam, the support seat is rotatably connected with a limiting plate, one end of the connecting plate close to the energy storage cam abuts against the limiting plate, the limiting plate is provided with a notch for the energy storage cam to abut, and the corner of the energy storage cam abuts against the notch.

[0026] By adopting the above technical solution, when energy storage is completed and needs to be released manually, the connecting piece can be driven to move by pressing the button switch, and the connecting piece pushes the limiting piece, so that the limiting piece is separated from the energy storage cam, and the limiting effect on the energy storage cam is lost. Since the energy storage cam is fixed on the driving shaft, that is, the driving shaft can rotate to release the stored energy and complete the manual release action.

[0027] Optionally, the limiting piece includes a limiting body, a limiting rotating shaft and a pushing protrusion rotatably connected to the support seat, the notch is opened on the outer edge of the limiting body, and the limiting rotating shaft is passed through the support seat and placed below the limiting body;

[0028] The push protrusion is sleeved on the limiting rotating shaft, and one end of the connecting piece close to the energy storage cam is pressed against the push protrusion. A rotation spring is provided between the end of the push protrusion away from the connecting piece and the support seat, and a yield groove is provided on the limiting rotating shaft for the limiting body to rotate.

[0029] By adopting the above technical solution, the yield groove on the limit shaft actually cuts the limit shaft into a half shaft. In the energy storage state, the limit body abuts against the arc part of the limit shaft. When released, the connecting piece pushes the abutting protrusion, and the abutting protrusion drives the limit shaft to rotate, and rotates the arc part to a position where it does not abut against the limit body, so that the limit of the limit body is released, so that the main shaft can rotate and release and reset.

[0030] Optionally, the automatic energy storage component includes a motor and a gear set, the driving shaft is sleeved with a driven gear, the motor is sleeved with a driving gear, the driving gear, the gear set and the driven gear are meshed in sequence, the driving shaft is sleeved with a limit gear, the limit gear rotates coaxially with the driving shaft, the support seat is provided with a limit rotating shaft, the limit rotating shaft is sleeved with a limit claw, a torsion spring is provided between the limit rotating shaft and the limit claw, and the end of the limit claw is engaged in the tooth gap of the limit gear;

[0031] The motor is turned on and off by a micro switch, and the micro switch includes a switch body and a reed. A contact is provided on the switch body, one end of the reed is fixed on the switch body, and the other end of the reed extends outward and is placed above the contact. There is a gap between the reed and the contact, and the side of the reed facing away from the contact is in contact with the pressing block. When the pressing block moves toward the direction of the automatic energy storage component, the pressing block pushes the reed to move toward the contact.

[0032] By adopting the above technical solution, when the reed abuts against the contact of the switch body, the motor cannot work, and when the reed is away from the contact, the motor can start to move. The motor is controlled by the operating switch. After the motor rotates, it drives the driving shaft to rotate after the gear set is decelerated to complete the energy storage operation. The automatic energy storage component and the manual energy storage component cooperate with each other and can be used as needed. When one set of energy storage components is damaged, it can continue to be used through the other set of energy storage components, which will not affect the function realization and has higher reliability.

[0033] Optionally, the automatic release component includes an electromagnetic relay and an intermediate push block, the intermediate push block is rotatably connected to the support seat, one end of the intermediate push block is in contact with the iron core of the electromagnetic relay, and the other end of the intermediate push block is in contact with the push protrusion.

[0034] By adopting the above technical solution, the iron core of the electromagnetic relay extends outward, pushing the middle push block, which in turn pushes the push protrusion to move. Finally, the push protrusion drives the limit shaft to rotate, and rotates the arc part to a position where it does not abut against the limit body, so that the limit of the limit body is released, so that the main shaft can rotate and release the reset.

[0035] Optionally, an energy storage and release state indication component is provided on the support seat, and the energy storage and release state indication component includes a planetary gear and an indication rod sleeved on the driving shaft and coaxially rotating with the driving shaft, the indication rod is rotatably connected to the support seat, and a push-pushing ridge is provided on one side of the planetary gear facing the rocker arm assembly, and the end surface of the push-pushing ridge protrudes in the direction of the rocker arm assembly;

[0036] The indicating rod is L-shaped, the supporting seat is provided with an indicating shaft, a corner of the indicating rod is provided with an indicating hole for the indicating shaft to pass through, and the indicating rod is sleeved on the indicating hole through the indicating hole;

[0037] The long section of the indicator rod is provided with a push protrusion, which abuts against the push ridge. When the planetary gear rotates, the push ridge drives the indicator rod to swing back and forth through the push protrusion. An indicator plate is provided at the end of the long section of the indicator rod.

[0038] By adopting the above technical solution, as the driving shaft rotates, the planetary gear rotates, thereby driving the push protrusion to rotate, pushing the indicator rod to swing back and forth, and the energy storage and release states are identified by the change of the indicator rod position.

[0039] Optionally, a switch state indicating assembly is provided on the support seat, and the switch state indicating assembly includes a push plate and a display rod, the push plate is provided with a sliding hole, the support seat is provided with a sliding block, the sliding block is engaged in the sliding hole, the push plate reciprocates along the length direction of the sliding hole, the support seat is provided with a clearance hole, the push plate extends downward through the clearance hole and abuts against the circuit breaker;

[0040] A display hole is provided on the push plate, and a button is provided on one end of the display rod close to the push plate. The button is engaged in the display hole and reciprocates along the opening direction of the display hole. The middle part of the display rod is rotatably connected to the support seat, and the display plate is fixed on the end of the display rod away from the circuit breaker.

[0041] By adopting the above technical solution, as the state of the switch driven by the operating mechanism changes, since the operating mechanism covers the top of the switch, a switch state indicating component is required to indicate the state of the switch. When the switch is turned, the convex point fixed on the panel of the switch pushes the push plate, and the push plate is raised or lowered to drive the display rod to rotate, so that the position of the display plate on the rod changes to reflect the state of the switch.

[0042] In summary, the present application includes at least one of the following beneficial effects:

[0043] 1. The part used to directly drive the circuit breaker is independent of the manual energy storage component and the automatic energy storage component, and is only connected to each other by the driving shaft, so that each part can be produced and assembled independently, which improves the assembly efficiency and makes the assembly simpler and faster;

[0044] 2. During maintenance, the position of the sliding piece can be adjusted and placed between the manual energy storage component and the automatic energy storage component, so that the manual energy storage component and the automatic energy storage component cannot be used, and the circuit breaker cannot be operated, which reduces the possibility of misclosing of the circuit breaker during the maintenance process and makes the maintenance process safer;

[0045] 3. The automatic energy storage component and the manual energy storage component cooperate with each other and can be used as needed. When one set of energy storage components is damaged, the other set of energy storage components can be used continuously without affecting the function realization and with higher reliability.

[0046] 4. A rubber buffer layer can be arranged on the first toggle shaft and / or the second toggle shaft, and the extension plate can also be made of flexible materials such as rubber, which has a certain degree of ductility. When the toggle arm of the circuit breaker moves quickly, the impact force is avoided to be too large, thereby reducing the hard contact between the toggle arm of the circuit breaker and the first toggle shaft and the second toggle shaft, thereby reducing the possibility of the first toggle shaft, the second toggle shaft and the toggle arm of the circuit breaker being broken due to rigid contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 This is a schematic diagram of the overall structure of the circuit breaker operating mechanism in the embodiment of the present application;

[0048] Figure 2 This is a schematic diagram of the structure of the rocker arm assembly of the circuit breaker operating mechanism in the embodiment of the present application;

[0049] Figure 3 The embodiment of the present application is a schematic diagram showing the connection relationship between the rocker arm frame and the tension spring;

[0050] Figure 4 This is a schematic diagram of the rocker arm frame structure of the circuit breaker operating mechanism in the embodiment of the present application;

[0051] Figure 5 This is a schematic diagram of the structure of a manual energy storage component of a circuit breaker operating mechanism in an embodiment of the present application;

[0052] Figure 6 This is a schematic diagram of the connection relationship between the manual energy storage assembly and the rocker arm assembly of the circuit breaker operating mechanism in the embodiment of the present application;

[0053] Figure 7 This is a schematic diagram of the structure of the automatic energy storage component of the circuit breaker operating mechanism in the embodiment of the present application;

[0054] Figure 8 This is a schematic diagram of the interlocking switching assembly structure of the circuit breaker operating mechanism in the embodiment of the present application;

[0055] Fig. 9 It is a structural schematic diagram of a manual release component and an automatic release component of a circuit breaker operating mechanism in an embodiment of the present application;

[0056] Fig.10 This is a schematic diagram of the positional relationship between the manual release component and the automatic release component of the circuit breaker operating mechanism in the embodiment of the present application;

[0057] Fig.11It is a structural schematic diagram of the energy storage and release state indication component of the circuit breaker operating mechanism in the embodiment of the present application;

[0058] Fig.12 It is a schematic diagram showing the positional relationship between the planetary gear and the indicator rod in the energy storage and release state indicator assembly of the circuit breaker operating mechanism in the embodiment of the present application;

[0059] Fig.13 This is a schematic diagram of the structure of a switch state indication component of a circuit breaker operating mechanism in an embodiment of the present application;

[0060] In the figure: 1. manual energy storage assembly; 11. rotating part; 111. ratchet; 112. rotating pawl; 113. mounting frame; 114. pressing plate; 115. reset spring; 116. locking groove; 12. non-return part; 121. non-return pawl; 122. non-return spring; 2. automatic energy storage assembly; 21. motor; 211. switch body; 212. reed; 213. contact; 22. gear set ; 23, driven gear; 24, driving gear; 25, limit gear; 26, limit rotating shaft; 27, limit claw; 28, torsion spring; 3, manual release assembly; 31, push button switch; 32, connecting piece; 33, energy storage cam; 34, limit piece; 341, limit body; 342, limit rotating shaft; 343, push convex block; 344, rotary spring; 35, limit slide plate; 36, limit convex shaft; 4. Automatic release assembly; 41. Electromagnetic relay; 42. Intermediate push block; 5. Interlocking switching assembly; 51. Transverse lock block; 52. Sliding plate; 53. Pressing block; 6. Rocker assembly; 61. Rocker frame; 62. Rocker shaft; 63. First toggle shaft; 64. Second toggle shaft; 65. Extension plate; 651. Limiting shaft; 652. Limiting groove; 66. Waist-shaped hole; 67. Tension spring; 7. Support seat; 8. Main shaft; 81. Driving shaft; 82. Limiting cam; 83. Rotating wheel; 9. Energy storage and release status indication assembly; 91. Planetary gear; 92. Indicator rod; 93. Pushing ridge; 94. Indicator shaft; 95. Pushing protrusion; 96. Indicator plate; 10. Switch status indication assembly; 101. Pushing plate; 102. Display rod; 103. Sliding block; 104. Display hole; 105. Display plate. DETAILED DESCRIPTION

[0061] The following is combined with Figure 1-Figure 13 Request further details.

[0062] The present application embodiment discloses a circuit breaker operating mechanism. Figure 1 The support seat 7 is composed of a base and a plurality of support plates, wherein the plurality of support plates are perpendicular to the base plate and fixed on the base plate by welding. The rocker arm assembly 6 is supported between two adjacent support plates.

[0063] Reference Figure 1and Figure 2 The rocker assembly 6 includes a rocker frame 61 and a rocker shaft 62. The rocker shaft 62 is fixed between two support plates. A rotation hole is provided on the rocker frame 61 for the rocker shaft 62 to pass through. The rocker shaft 62 passes through the rotation hole and penetrates the rocker frame 61, so that the rocker frame 61 can swing back and forth with the rocker shaft 62 as the center. At least one pair of tension springs 67 is fixed on the rocker frame 61. A tension spring 67 shaft is provided on one side of the swinging direction of the rocker frame 61. The tension spring 67 shaft is also fixed between the same two support plates. One end of the tension spring 67 away from the rocker frame 61 is fixed on the tension spring 67 shaft. When the rocker frame 61 swings away from the tension spring 67 shaft, the tension spring 67 is pulled to store energy, and when the tension spring 67 is reset, the rocker frame 61 is pulled in a direction close to the tension spring 67, so that the rocker frame 61 swings back and forth.

[0064] Reference Figure 3 and Figure 4 A pair of toggle shafts are fixed at the bottom of the rocker frame 61, and the toggle arm of the circuit breaker is inserted between the pair of toggle shafts. When the rocker frame 61 is driven by the tension spring 67 to swing back and forth, it can be pushed and pulled repeatedly, so that the circuit breaker can be operated to realize the opening and closing action.

[0065] Reference Figure 3 and Figure 4 , one end of the rocker frame 61 away from the driving shaft 81 is used to toggle the toggle arm of the circuit breaker, and in order to toggle the toggle arm of the circuit breaker, a pair of toggle shafts are fixed at the end of the rocker frame 61. For the convenience of expression, the pair of toggle shafts are named as the first toggle shaft 63 and the second toggle shaft 64, respectively, and the first toggle shaft 63 can be rotatably connected to the rocker frame 61. An extension plate 65 is rotatably connected to the position corresponding to the first toggle shaft 63 on the rocker frame 61, and the extension plate 65 can rotate. The second toggle shaft 64 is fixed at one end of the extension plate 65 away from the first toggle shaft 63. Of course, the second toggle shaft 64 can also be rotatably set on the extension plate 65. When in use, the toggle arm of the circuit breaker is clamped between the first toggle shaft 63 and the second toggle shaft 64, so that the extension plate 65 fits the surface of the circuit breaker. It can always fit with the surface of the circuit breaker during the toggle process to prevent the toggle arm of the circuit breaker from slipping during use.

[0066] Reference Figure 1 and Figure 5 The tension spring 67 needs to store energy before use, and can be stored by the manual energy storage component 1. During the energy storage process, the manual energy storage component 1 drives the rocker frame 61 to swing toward the end away from the tension spring 67 axis through the main shaft 8, so that the tension spring 67 is stretched and stores energy.

[0067] Reference Figure 3 and Figure 5The main shaft 8 includes a driving shaft 81 and a limiting cam 82. The manual energy storage component 1 is sleeved on one end of the driving shaft 81 to drive the driving shaft 81 to rotate. A waist-shaped hole 66 is provided on the rocker frame 61. The waist-shaped hole 66 is arc-shaped and consistent with the swing trajectory of the rocker frame 61. The driving shaft 81 passes through the waist-shaped hole 66 and is also rotatably connected to a pair of support plates. A wheel shaft extends outward from one side of the rocker frame 61, the wheel shaft is fixed on the rocker frame 61, and the rotating wheel 83 is rotatably connected to the wheel shaft. A fixed limiting cam 82 is sleeved on the driving shaft 81, and the side wall of the limiting cam 82 fits with the rocker frame 61, while the outer edge of the limiting cam 82 abuts against the rotating wheel 83. The distance from the outer edge of the limiting cam 82 to the driving shaft 81 is different, that is, when the limiting cam 82 rotates, it will push the rotating wheel 83 outward, thereby driving the rocker frame 61 to swing back and forth with the rocker shaft 62 as the center. The energy storage of the tension spring 67 can be completed during the swinging process.

[0068] Reference Figure 5 and Figure 6 , the limit cam 82 can be driven to rotate by driving the active shaft 81 to rotate through the manual energy storage component 1, thereby completing the energy storage operation. When the spring releases energy, it rotates in the opposite direction. Specifically, assuming that the distance from the point where the limit cam 82 contacts the rotating wheel 83 to the rotating shaft becomes larger and larger when the limit cam 82 rotates counterclockwise, since the rotating shaft will not move, it will push the rocker frame 61 to swing away from the axis of the tension spring 67 with the rocker rotating shaft 62 as the center, pulling the tension spring 67, so that the tension spring 67 stores energy. When the energy is released after the energy storage is completed, the tension spring 67 is reset, the rotating wheel 83 pushes the limit cam 82 back, and the limit cam 82 reverses. The distance between the outer edge of the rotating wheel 83 and the limit cam 82 and the rotating shaft becomes smaller and smaller, so that the rocker frame 61 is also reset.

[0069] Reference Figure 5 and Figure 6 The manual energy storage assembly 1 includes a rotating part 11 and a non-return part 12. The rotating part 11 includes a ratchet 111 and a rotating pawl 112. The rotating pawl 112 can be rotatably connected to the support seat 7, and the rotating pawl 112 and the support seat 7 can be connected by a compression spring. The end of the rotating pawl 112 is clamped in the gap between the teeth of the adjacent ratchet 111 of the ratchet 111. The ratchet 111 is driven to rotate by pushing the rotating pawl 112, thereby realizing energy storage. The non-return part 12 prevents the ratchet 111 from reversing when the rotating pawl 112 is reset during the manual pushing of the rotating pawl 112.

[0070] Reference Figure 5 and Figure 6The non-return portion 12 includes a non-return pawl 121 and a non-return spring 122. The non-return pawl 121 is symmetrically arranged with the rotating pawl 112 and is also rotatably connected to the support seat 7. The non-return spring 122 is fixed between the non-return pawl 121 and the support seat 7. When the rotating pawl 112 pushes the ratchet 111 to rotate, the ratchet 111 pushes the non-return spring 122 to compress the non-return spring 122. When the rotating pawl 112 leaves the ratchet 111 and resets, the non-return spring 122 resets and pushes the non-return pawl 121 to engage in the gap between the teeth of the adjacent ratchet 111 of the ratchet 111, thereby preventing the ratchet 111 from reversing.

[0071] Reference Figure 5 and Figure 6 When manually storing energy, the ratchet 111 is driven to rotate by rotating the pawl 112, thereby driving the limit cam 82 also located on the rotating shaft to rotate, pushing the rocker frame 61 to swing, and finally pulling the tension spring 67, so that the tension spring 67 stores energy. Since the travel of the rotating pawl 112 is limited, the rotating pawl 112 needs to be reset several times during the entire process of energy storage of the tension spring 67 to complete the entire energy storage operation. When the rotating pawl 112 is reset, the rotating pawl 112 is separated from the ratchet 111, and the non-return pawl 121 will be engaged in the gap between the adjacent ratchet 111 teeth of the ratchet 111, and the ratchet 111 teeth will be engaged. Even if the tension spring 67 has been stretched a certain distance and has elastic energy release, the ratchet 111 will be stuck by the non-return pawl 121 and will not reverse, so that the energy storage operation can proceed smoothly.

[0072] Reference Figure 5 and Figure 6 In order to facilitate the manual energy storage operation, a pressing structure is arranged on the support seat 7 to drive the rotating pawl 112 to move. The pressing structure includes a mounting frame 113, which is rotatably connected to the support plate and placed above the rotating pawl 112. When the mounting frame 113 rotates, the end of the mounting frame 113 contacts the rotating pawl 112, so that the rotating pawl 112 moves toward the ratchet 111 and is stuck in the gap between the adjacent ratchet teeth of the ratchet 111. When the mounting frame 113 rotates in the opposite direction, the mounting frame 113 is separated from the state of contact with the rotating pawl 112, and the rotating pawl 112 can be separated from the ratchet 111 under the action of the compression spring. Of course, the rotating pawl 112 can also be rotatably connected to the mounting frame 113. When the mounting frame 113 rotates, the mounting frame 113 can not only rotate, but the end of the mounting frame 113 can also push the rotating pawl 112, thereby driving the ratchet 111 to rotate. A pressing plate 114 can be fixed on the mounting frame 113, and the pressing plate 114 is for hand-held operation. By pushing the pressing plate 114 to drive the mounting frame 113 to rotate, the manual energy storage assembly 1 can be conveniently operated. A reset spring 115 is fixed between the mounting frame 113 and the rotating pawl 112, and the reset spring 115 provides elastic force to assist the mounting frame 113 to reset.

[0073] Reference Figure 1 and Figure 7 , the tension spring 67 can also be driven by the automatic energy storage component 2 to store energy. The automatic energy storage component 2 still drives the tension spring 67 to store energy by driving the active shaft 81 to rotate. The automatic energy storage component 2 includes a motor 21 and a gear set 22. In order to be able to drive the active shaft 81 to rotate through the gear set 22, a driven gear 23 is sleeved on the active shaft 81. The driven gear 23 is fixed on the other end of the active shaft 81 away from the manual energy storage component 1, so that the manual energy storage component 1 and the automatic energy storage component 2 do not interfere with each other during the energy storage operation. The motor 21 is sleeved with a driving gear 24, which is meshed with the gear set 22 through the driving gear 24. The diameter of the gear set 22 is larger than the diameter of the driving gear 24. Therefore, the driving gear 24 is driven by the motor 21 to achieve speed reduction by meshing with the gear set 22, and then drives the driven gear 23 to rotate after speed reduction. The driving shaft 81 is driven to rotate by driving the driven gear 23. A limit cam 82 is also sleeved on the side of the driving shaft 81 close to the driven gear 23. A rotating wheel 83 is also provided on the swing arm frame on the side of the limit cam 82 and contacts the limit cam 82. That is, the same structure is provided at both ends of the driving shaft 81, so that the swing arm frame is more stable when swinging. A limit gear 25 is also sleeved on the driving shaft 81 and rotates synchronously with the driving shaft 81. The limit gear 25 is placed between the driven gear 23 and the swing arm frame. A limit rotating shaft 26 can extend outward on the support seat 7. A limit claw 27 is rotatably connected to the limit rotating shaft 26. A torsion spring 28 is provided between the limit claw 27 and the limit rotating shaft 26. The elastic force of the torsion spring 28 enables the limit claw 27 to be engaged with the limit gear 25 when no external force is applied. When the driving shaft 81 rotates to store energy, the limit claw 27 can be engaged with the limit gear 25 to prevent reverse rotation.

[0074] Reference Figure 1 and Figure 8 The manual energy storage component 1 and the automatic energy storage component 2 can be switched through the interlocking switching component 5, so that when the manual energy storage component 1 rotates to store energy, the automatic energy storage component 2 is in an unusable state, and when the automatic energy storage component 2 is working, the manual energy storage component 1 is in a locked state and cannot be used. When storing energy, only one energy storage driving mode can be selected, so that the manual energy storage component 1 and the automatic energy storage component 2 will not interfere with each other.

[0075] Reference Figure 1 and Figure 8The interlocking switching assembly 5 includes a transverse locking block 51, a sliding sheet 52 and a pressing block 53. The sliding sheet 52 slides back and forth between the manual energy storage assembly 1 and the automatic energy storage assembly 2. The sliding locking block is fixed at one end of the sliding sheet 52 and slides toward the manual energy storage assembly 1 along with the sliding sheet 52. A locking groove 116 for inserting the pressing plate 114 is provided on the pressing plate 114. When the transverse locking block 51 slides toward the manual energy storage assembly 1, the transverse locking block 51 can be correspondingly inserted into the locking groove 116. When the pressing plate 114 has a tendency to move downward, the transverse locking block 51 presses against the side wall of the locking groove 116 to prevent the pressing plate 114 from moving. When the transverse locking block 51 is moved out of the locking groove 116, the pressing plate 114 can move normally. The manual energy storage assembly 1 will not be affected. The pressing block 53 is fixed at the other end of the sliding sheet 52. The motor 21 of the automatic energy storage component 2 is controlled to open and close by a micro switch, and the micro switch includes a switch body 211, and the contact 213 of the micro switch is fixed on the switch body 211. When the contact 213 of the micro switch contacts the reed 212, the micro switch controls the motor 21 to disconnect from the power supply. When the sliding piece 52 moves toward the automatic energy storage component 2, the pressing block 53 presses the reed 212 so that the reed 212 contacts the contact 213 of the micro switch, so that the automatic energy storage component 2 cannot be used for energy storage. When it is necessary to switch between the manual energy storage component 1 and the automatic energy storage component 2, the sliding piece 52 can be pushed to move. When the sliding piece 52 moves in the direction of the manual energy storage component 1, the transverse locking block 51 at the end of the sliding piece 52 is inserted into the lock groove 116, thereby locking the manual energy storage component 1. When the sliding piece 52 moves in the opposite direction, the pressing block 53 contacts the spring piece 212, and is used to push the spring piece 212 to move in the direction of the contact 213. As the sliding piece 52 moves, the distance between the spring piece 212 and the contact 213 becomes closer and finally contacts the contact 213, and the automatic energy storage component 2 is powered off, making the automatic energy storage component 2 unusable. At the same time, the transverse locking block 51 is removed from the manual energy storage component 1, and the manual energy storage component 1 is restored. When the sliding piece 52 slides to the middle position between the manual energy storage component 1 and the automatic energy storage component 2, the transverse locking block 51 is still inserted into the manual energy storage component 1, and the pressing block 53 is also pressed on the automatic energy storage component 2, and both the manual energy storage component 1 and the automatic energy storage component 2 cannot be used. During subsequent maintenance, the position of the sliding piece 52 can be adjusted to place the sliding piece 52 between the manual energy storage component 1 and the automatic energy storage component 2, so that the manual energy storage component 1 and the automatic energy storage component 2 cannot be used, and the circuit breaker cannot be operated, thereby reducing the possibility of misclosing of the circuit breaker during the maintenance process and making the maintenance process safer.

[0076] Reference Figure 1 and Fig. 9 When energy storage is completed and energy needs to be released, the manual release component 3 can be used to release energy. Figure 7When the automatic energy storage component 2 is used to store energy, the limit gear 25 and the limit claw 27 will limit the reverse rotation of the driving shaft 81. Therefore, when the automatic release component 4 or the manual release component 3 is used to release energy, the limit claw 27 needs to be pushed away from the limit gear 25 synchronously. Therefore, a planetary gear 91 is also sleeved on the driving shaft 81, and the outer edge of the planetary gear 91 protrudes outward. After the energy storage is completed, the protruding part of the planetary gear 91 pushes the limit claw 27 away from the position of the limit gear 25, thereby releasing the limit gear 25. After the energy storage is completed and the manual release component 3 is not triggered, the driving shaft 81 is limited by the manual release component 3. When the limit claw 27 does not limit the limit gear 25, the driving shaft 81 can still be kept from reversing.

[0077] Reference Figure 1 and Fig. 9 The manual release component 3 includes a button switch 31, which is fixed on the support base 7 and can move back and forth along the height direction of the support base 7. After the button switch 31 is pressed and released, the spring rebound force inside the button switch can push the button switch 31 to reset.

[0078] Reference Fig. 9 and Fig.10 A connecting piece 32 is fixed below the button switch, and the connecting piece 32 extends downward until it is flush with the driving shaft 81 and is placed on one side of the driving shaft 81. An energy storage cam 33 is also sleeved on the driving shaft 81, and the energy storage cam 33 rotates coaxially with the driving shaft 81. A limit piece 34 is connected to the lower part of the energy storage cam 33 on the support seat 7, and the energy storage cam 33 can abut against the limit piece 34 after energy storage is completed. A notch is provided on the limit piece 34, and the energy storage cam 33 abuts against the notch. When energy needs to be released, the limit piece 34 rotates to disengage from the energy storage cam 33, and the energy storage cam 33 loses its limit.

[0079] Reference Fig. 9 and Fig.10The limiting piece 34 includes a limiting body 341, a limiting shaft 342 and a push-pushing block 343. A notch is formed on the limiting body 341. The limiting body 341 is rotatably connected to the support seat 7 and is used to abut against the energy storage cam 33. The limiting shaft 342 is rotatably connected to the support seat 7. The push-pushing block 343 is sleeved on the limiting shaft 342 and can drive the limiting shaft 342 to rotate. The end of the limiting shaft 342 exposed from the push-pushing block 343 is a semi-shaft, and the end of the connecting piece 32 contacts the push-pushing block 343. A return spring 344 is fixed between the push-pushing block 343 and the support seat 7. When the connecting piece 32 pushes the push-pushing block 343 to rotate, the return spring 344 is stretched and stores energy. When the button switch 31 is pressed, the connecting piece 32 can push the push-pushing block 343 and finally drive the limiting shaft 342 to rotate. When energy storage is completed, the limiting piece 34 abuts against the curved surface of the limiting rotating shaft 342 and the energy storage cam 33 abuts against the notch. At this time, due to the action of the return spring 344 between the push-pushing block 343 and the support seat 7, the curved surface of the limiting rotating shaft 342 is always in contact with the limiting body 341. When energy release is required, the connecting piece 32 pushes the push-pushing block 343, and the push-pushing block 343 drives the limiting rotating shaft 342 to rotate, rotating the arc part to a position where it does not abut against the limiting body 341, so that the limiting of the limiting body 341 is released, so that the main shaft 8 can rotate and the energy is released and reset. A push-pushing spring 67 is connected to the push-pushing block 343, and the push-pushing spring 67 is stretched and energy is stored as the connecting piece 32 moves downward. After the energy release action is completed, the button switch 31 is released. At this time, there is no additional downward pressure on the connecting piece 32, and the force generated by the reset of the push-pushing spring 67 drives the connecting piece 32 to move upward and contact the button switch 31 again. Prepare for the next manual energy release.

[0080] Reference Fig. 9 and Fig.10 A limiting sliding hole is provided on the limiting body 341, and a limiting slide plate 35 is rotatably connected to the support seat 7. A limiting convex shaft 36 is provided on the limiting slide plate 35, and the limiting convex shaft 36 slides in the limiting sliding hole as the limiting slide plate 35 rotates. After the energy release is completed, the limiting body 341 rotates downward, so that the limiting convex shaft 36 slides to one end of the limiting sliding hole, and when the energy release is completed and the energy storage is completed (i.e., during the energy storage process), it rotates with the energy storage cam 33, and finally abuts against the limiting slide plate 35 and pushes the limiting slide plate 35 to rotate, thereby driving the limiting convex shaft 36 to rotate, and finally driving the limiting body 341 to rotate, and finally abuts against the limiting rotating shaft 342 again. At this time, if the energy storage cam 33 continues to abut, the limiting sliding hole abuts against the limiting convex shaft 36, so that the travel of the limiting convex shaft 36 is limited, so that the limiting slide plate 35 and the limiting body 341 abut against the energy storage cam 33 together, and the position of the energy storage cam 33 is locked. That is, after the energy storage process is completed, one of the outer protrusions of the energy storage cam 33 abuts against the limiting slide plate 35, and the other outer protrusion of the energy storage cam 33 abuts against the limiting body 341, thereby forming a limiting effect.

[0081] Reference Fig. 9 and Fig.10 The energy release operation can also be completed by the automatic release component 4, which includes an electromagnetic relay 41 and an intermediate push block 42. The intermediate push block 42 is rotatably connected to the support seat 7, and one end of the intermediate push block 42 is also abutted against the push protrusion 343 to push the push protrusion 343 to rotate.

[0082] Reference Fig. 9 and Fig.10 When releasing energy, the iron core of the electromagnetic relay 41 extends outward, pushing the middle push block 42, and the middle push block 42 pushes the push protrusion 343 to move, and finally the push protrusion 343 drives the limit shaft 342 to rotate, and rotates the arc part to a position where it does not contact the limit body 341, so that the limit of the limit body 341 is released, so that the main shaft 8 can rotate and release and reset. Whether it is automatic energy release or manual energy release, the energy release operation is completed by pushing the push protrusion 343, making the structure of the manual release component 3 and the automatic release component 4 more compact.

[0083] Reference Figure 3 and Figure 4 The energy storage or energy release action is achieved by pulling the rocker frame 61, so the swing of the rocker frame 61 must drive the opening and closing of the circuit breaker. In order to enable the rocker arm frame 61 to push the opening and closing of the circuit breaker more stably, a first toggle shaft 63 and a second toggle shaft 64 for toggle the toggle arm of the circuit breaker may be provided at the end of the rocker arm frame 61 away from the rotating shaft. The first toggle shaft 63 may be fixed on the rocker arm frame 61, and the first toggle shaft may also rotate. An extension plate 65 is provided coaxially with the first toggle shaft 63, and the extension plate 65 can swing around the first toggle shaft 63. The end of the extension plate 65 away from the first toggle shaft 63 is rotatably connected to the second toggle shaft 64. The first toggle shaft 63 and the second toggle shaft 64 are parallel to each other, and the spacing between the first toggle shaft 63 and the second toggle shaft 64 is for the toggle arm of the circuit breaker to be inserted, so that the first toggle shaft 63 and the second toggle shaft 64 are tightly fitted on the surface of the toggle arm, and can drive the toggle arm of the circuit breaker to swing back and forth when the rocker arm frame 61 swings, thereby realizing the function of controlling the on and off of the circuit breaker. A rubber buffer layer may be arranged on the first toggle shaft 63 and / or the second toggle shaft 64, and the extension plate 65 may also be made of a flexible material such as rubber, which has a certain degree of ductility. When the toggle arm of the circuit breaker moves quickly, the impact force is avoided to be too large, thereby reducing the rigid contact between the toggle arm of the circuit breaker and the first toggle shaft 63 and the second toggle shaft 64, thereby reducing the possibility of the first toggle shaft 63 and the second toggle shaft 64 being broken by rigid contact with the toggle arm of the circuit breaker.

[0084] Reference Figure 3 and Figure 4A limiting shaft 651 can also be arranged between the extension plates 65. The limiting shaft passes through the extension plates 65 to form a limiting protrusion. Correspondingly, a horizontal limiting groove 652 is provided on the support seat 7. The limiting protrusion is stuck in the limiting groove 652. When the rocker frame 61 swings back and forth, the limiting protrusion is driven to slide in the limiting groove 652. The swinging trajectory of the rocker frame 61 is an arc. The extension plate 65 is hinged on the rocker frame 61, and the limiting protrusion cooperates with the limiting groove 652 to limit the position, so that when the rocker frame 61 swings, the extension plate 65 can only slide back and forth horizontally along the limiting groove 652. It further limits the stroke of the first toggle shaft 63 and the second toggle shaft 64.

[0085] Reference Figure 1 and Fig.11 In order to visually observe whether the circuit breaker operating mechanism is in the energy storage state or the energy release state, it is also necessary to set an energy storage and release state indication component 9 that can be linked with the driving shaft 81 on the support seat 7. The energy storage and release state indication component realizes state indication by linking with the planetary gear 91.

[0086] Reference Fig.11 and Fig.12 The energy storage and release state indicating assembly 9 includes an indicating rod 92, a planetary gear 91 is provided with a push rib 93 on one side of the support seat 7, and the indicating rod 92 is L-shaped, an indicating hole is provided at the corner of the indicating rod 92, and an indicating shaft 94 is provided on the support seat 7. The indicating rod 92 is sleeved on the indicating shaft 94 through the indicating hole, so that the indicating rod 92 can rotate freely around the indicating shaft 94, and the long section of the indicating rod 92 extends upward until it is flush with the upper end of the support seat 7. The end of the indicating rod 92 that is flush with the upper end of the support seat 7 is fixed with an indicating plate 96, so that the indicating plate 96 can swing back and forth, thereby indicating the energy storage and release state of the circuit breaker operating mechanism at this time. The end of the indicating rod 92 close to the support seat 7 can be connected to the support seat 7 by a spring. When the indicating rod 92 rotates away from the initial position, it drives the spring to store energy, and when the external force is not present, it is pulled by the spring to achieve reset. A push-pushing protrusion 95 is fixed to the middle of the long section of the indicator rod 92. When the energy storage of the entire circuit breaker operating mechanism is completed, the push-pushing ridge 93 and the push-pushing protrusion 95 abut against each other. Fig.12 In the state shown, the indicator rod 92 is located close to the planetary gear 91, and when the circuit breaker operating mechanism releases energy, the planetary gear 91 rotates clockwise (clockwise rotation to Fig.12The push protrusion 95 does not abut against the push rib 93, but crosses the push protrusion 93 to contact the arc-shaped rib. A smooth groove is formed between the push rib 93 and the arc-shaped rib. When energy storage is completed, the push protrusion 95 is located in the groove. Under the action of the spring, the push protrusion 95 is in contact with the push rib 93 or the arc-shaped rib in any state, so that the indicating plate 96 fixed on the indicating rod 92 is located in different positions in the energy storage state and the energy release state, so as to indicate the energy storage and energy release states at this time.

[0087] Reference Figure 1 and Fig.13 When the circuit breaker operating mechanism is used, the circuit breaker operating mechanism is entirely covered on the circuit breaker, and the switch state of the circuit breaker cannot be directly distinguished, which is easy to cause safety accidents. A switch state indicating component 10 for displaying the switch state needs to be set on the circuit breaker operating mechanism.

[0088] Reference Fig.13 The switch status indication assembly 10 includes a push plate 101 and a display rod 102. A sliding block 103 is fixed on the support seat 7. A sliding hole is correspondingly opened on the push plate 101. The sliding hole is engaged with the sliding block 103, so that the push plate 101 can slide in the opening direction of the sliding hole. The sliding hole is opened along the height direction of the support seat 7, so that the push plate 101 can reciprocate along the height direction of the support seat 7. The end of the push plate 101 close to the circuit breaker extends downward and passes through the clearance hole on the support seat 7 and finally abuts against the surface of the circuit breaker. Since the surface of the circuit breaker is not a plane, the push plate 101 will be driven to move up and down when the circuit breaker is actuated. A display hole 104 is also opened on the push plate 101, and a button is fixed at the end of the display rod 102, and the button is used to be stuck in the display hole 104.

[0089] Reference Fig.13 The display hole 104 is composed of three parts. The first part is a first hole opened along the height direction of the support seat 7, and the third part is a second hole opened along the direction of the support hole. The first hole and the second hole are parallel to each other, but the second hole is located on one side of the first hole and placed below the first hole. The third part is a connecting hole, which connects the first hole with the second hole. The button moves from the first hole along the first hole and the connecting hole to the second hole, so that the position of the display rod 102 changes. The middle part of the display rod 102 is rotatably connected to the support seat 7. As the position of the display rod 102 changes, the display rod 102 rotates at a certain angle, so that the display board 105 fixed on the display rod 102 can achieve a certain angle of deflection. The switch state of the circuit breaker at this time can be known by changing the position of the mark on the display board 105. A spring for resetting is connected to the push plate 101, one end of which is fixed on the push plate 101, and the other end is fixed on the support seat 7. When the display rod 102 deviates, it can be reset by the spring.

[0090] In the present application, the circuit breaker operating mechanism is covered on the circuit breaker for use, and the toggle arm of the circuit breaker is clamped between the first toggle shaft 63 and the second toggle shaft 64. The circuit breaker operating mechanism stores energy or releases energy to achieve the change of the opening and closing state of the circuit breaker. The circuit breaker operating mechanism can use a manual energy storage component 1 or an automatic energy storage component 2 to store energy.

[0091] When using the manual energy storage assembly 1 to store energy, manually move the sliding plate 52 so that the sliding plate 52 moves to pull the transverse locking block 51 out of the pressing plate 114. At this time, the pressing plate 114 is moved, and the energy storage direction is taken as counterclockwise rotation in this application. That is, the pressing plate 114 is moved so that the pressing plate 114 and the mounting frame 113 rotate counterclockwise, and the ratchet 111 is driven to rotate by the rotating pawl 112 on the mounting frame 113, and each movement drives the ratchet 111 to rotate a certain angle. The ratchet 111 is coaxial with the driving shaft 81 and fixed on the driving shaft 81, so it can drive the driving shaft 81 to rotate counterclockwise. When the driving shaft 81 rotates counterclockwise, it can drive the driving shaft 81 to rotate, and during the rotation of the driving shaft 81, the limit cam 82 also rotates coaxially. Since the distance between the outer edge of the cam and the rotating shaft is gradually changed, as the cam rotates counterclockwise, the outer edge with a larger distance from the rotating shaft contacts the rotating wheel 83 on the rocker frame 61, pushing the rocker frame 61 to swing, thereby causing the tension spring 67 to deform and store energy.

[0092] In order to prevent the tension spring 67 from pulling the rocker frame 61 to reset during the energy storage process, a limit pawl is provided on the ratchet 111 to prevent the ratchet 111 from reversing. The energy storage process can also be performed by using an automatic energy storage assembly 2, that is, the motor 21 is engaged with the driven gear 23 through the gear set 22 to drive the driving shaft 81 to rotate and finally pull the tension spring 67 through the limit cam 82 to achieve energy storage.

[0093] During the energy storage process, the energy storage cam 33, which is also sleeved on the driving shaft 81, will also rotate accordingly. During the rotation of the energy storage cam 33, the limit plate 34 is pushed to rotate a certain angle, so that the limit plate 34 abuts against the arc surface of the half shaft. At this time, the notch on the limit plate 34 is opposite to the raised part of the energy storage cam 33. With the end of the energy storage process, the raised part of the energy storage cam 33 will eventually be stuck in the notch, so that the circuit breaker operating mechanism can maintain the energy storage state.

[0094] During the energy storage process, the energy storage and release indicating assembly will also move with the rotation of the driving shaft 81. That is, the planetary gear 91 on the driving shaft 81 rotates with the driving shaft 81, and the back of the planetary gear 91 pushes the indicating rod 92 during the rotation of the planetary gear 91, thereby realizing the indication of the energy storage and release state.

[0095] When releasing energy, the manual release assembly 3 can be used to release energy. After pressing the button, the half shaft rotates, the limit piece 34 and the arc segment of the half shaft no longer abut against each other, the half shaft gives way, the limit piece 34 rotates counterclockwise under the push of the energy storage cam 33, the notch no longer engages the energy storage cam 33, and no longer limits the energy storage cam 33. At this time, under the reset action of the tension spring 67, the rocker frame 61 swings, driving the limit cam 82 and the gear set 22 in the automatic energy storage assembly 2 to rotate in the opposite direction, thereby achieving energy release. The energy release process is also the reset process of the rocker frame 61. During the energy release process, the planetary gear 91 reverses, the push-pushing rib 93 no longer abuts against the indicating protrusion, and the indicating protrusion resets under the action of the spring, so that the indicating plate 96 fixed on the indicating rod 92 is in a different position in the energy storage state than in the energy release state, thereby being able to indicate the energy storage and energy release states at this time. An automatic energy release component can also be used when releasing energy. The process of automatic energy release is to directly push the intermediate push block 42 to rotate through the electromagnetic relay 41, and finally the intermediate push block 42 drives the half-shaft to rotate. Finally, the energy release is still achieved by driving the position change of the energy storage cam 33 and the limit plate 34. The automatic energy release component and the manual energy release component are only different in direct power, and the intermediate action process remains the same, so it will not be repeated.

[0096] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A circuit breaker operating mechanism, used for opening and closing a circuit breaker, comprising a manual energy storage assembly (1), an automatic energy storage assembly (2), a manual release assembly (3), an automatic release assembly (4), a chain switching assembly (5) and a rocker assembly (6) arranged on a support seat (7), characterized in that: The rocker arm assembly (6) is rotatably connected to the support seat (7), a main shaft (8) is provided on the support seat (7), the main shaft (8) passes through the rocker arm assembly (6), and the main shaft (8) rotates to drive the rocker arm assembly (6) to swing back and forth with the support seat (7) as the center; The rocker arm assembly (6) comprises a rocker arm frame (61) and a rocker arm shaft (62); the rocker arm frame (61) is provided with a rotation hole for the rocker arm shaft (62) to pass through, the rotation hole passes through the rocker arm frame (61), the rocker arm shaft (62) passes through the rotation hole and is fixed on the support seat (7); a tension spring (67) is fixed on the rocker arm frame (61), and one end of the tension spring (67) away from the rocker arm frame (61) is fixedly connected to the support seat (7); A first toggle shaft (63) and a second toggle shaft (64) are provided at one end of the rocker frame (61) away from the main shaft (8); the first toggle shaft (63) is fixed to the rocker frame (61); two ends of the first toggle shaft (63) are coaxially provided with extension plates (65); the extension plates (65) are rotatably connected to the ends of the first toggle shaft (63); a second toggle shaft (64) is provided between a pair of the extension plates (65); and the toggle arm of the circuit breaker is inserted between the first toggle shaft (63) and the second toggle shaft (64); The main shaft (8) comprises a driving shaft (81) and a limit cam (82); a waist-shaped hole (66) for the driving shaft (81) to pass through is provided on the rocker frame (61); the waist-shaped hole (66) is arranged between the rocker rotating shaft (62) and the shifting shaft; the driving shaft (81) passes through the waist-shaped hole (66) and is fixed on the support seat (7); a limit cam (82) is correspondingly sleeved and fixed at both ends of the driving shaft (81); a rotating wheel (83) is provided on the rocker frame (61); the rotating wheel (83) is pressed against the outer edge of the limit cam (82); The manual energy storage component (1) is sleeved on one end of the driving shaft (81) to drive the driving shaft (81) to rotate, and the automatic energy storage component (2) is sleeved on the other end of the driving shaft (81) to drive the driving shaft (81) to rotate, and the manual energy storage component (1) and the automatic energy storage component (2) are switched via the interlocking switching component (5); The interlocking switching assembly (5) comprises a transverse locking block (51), a sliding plate (52) and a pressing block (53); the sliding plate (52) is arranged on the support seat (7) and is placed between the manual energy storage assembly (1) and the automatic energy storage assembly (2); the transverse locking block (51) is fixed to one end of the sliding plate (52), and the pressing block (53) is fixed to the other end of the sliding plate (52); when the sliding plate (52) slides in the direction of the manual energy storage assembly (1), the transverse locking block (51) is pressed against the sliding plate (52). When the sliding piece (51) is inserted into the manual energy storage component (1), and the sliding piece (52) moves toward the direction of the automatic energy storage component (2), the automatic energy storage component (2) is powered off. When the sliding piece (52) slides to a position between the manual energy storage component (1) and the automatic energy storage component (2), the transverse locking block (51) is still inserted into the manual energy storage component (1), and the pressing block (53) is also pressed on the automatic energy storage component (2), and both the manual energy storage component (1) and the automatic energy storage component (2) cannot be used.

2. A circuit breaker operating mechanism according to claim 1, characterized in that: The manual energy storage assembly (1) comprises a rotating part (11) and a non-return part (12); the rotating part (11) comprises a ratchet (111) and a rotating pawl (112) sleeved on one end of the driving shaft (81); the ratchet (111) rotates to drive the driving shaft (81) to rotate; the rotating pawl (112) is rotatably connected to the support seat (7); and an end of the rotating pawl (112) is engaged with the ratchet (111); The non-return portion (12) comprises a non-return pawl (121) and a non-return spring (122); the non-return pawl (121) is rotatably connected to the support seat (7); an end of the non-return pawl (121) is engaged with the ratchet (111); when the rotating pawl (112) pushes the ratchet (111) to rotate, the ratchet (111) pushes the non-return pawl (121) away from the ratchet (111).

3. A circuit breaker operating mechanism according to claim 2, characterized in that: The support seat (7) is rotatably connected to a mounting frame (113), an extended end of the mounting frame (113) pushes against the rotating pawl (112), the mounting frame (113) is rotatably connected to a pressing plate (114), the pressing plate (114) is placed above the pawl, a return spring (115) is fixed between the mounting frame (113) and the rotating pawl (112), and when the pressing plate (114) rotates, it pushes the mounting frame (113) to push against the rotating pawl (112); The pressing plate (114) is provided with a locking groove (116) for the transverse locking block (51) to be inserted into. When the transverse locking block (51) moves in the direction of the manual energy storage assembly (1), the transverse locking block (51) is inserted into the locking groove (116).

4. A circuit breaker operating mechanism according to claim 1, characterized in that: The manual release assembly (3) comprises a button switch (31) arranged on the support seat (7), a connecting piece (32) and an energy storage cam (33) fixedly sleeved on the driving shaft (81); the button switch (31) pushes the connecting piece (32); one end of the connecting piece (32) away from the button switch (31) extends in the direction of the energy storage cam (33); a limiting piece (34) is rotatably connected to the support seat (7); one end of the connecting piece (32) close to the energy storage cam (33) abuts against the limiting piece (34); a notch is provided on the limiting piece (34) for the energy storage cam (33) to abut against, and when the corner of the energy storage cam (33) abuts against the notch.

5. A circuit breaker operating mechanism according to claim 4, characterized in that: The limiting piece (34) comprises a limiting body (341) rotatably connected to the support seat (7), a limiting rotating shaft (342) and a pushing protrusion (343), the notch is formed on the outer edge of the limiting body (341), and the limiting rotating shaft (342) is passed through the support seat (7) and is placed below the limiting body (341); The push-pushing protrusion (343) is sleeved on the limiting rotating shaft (342), and one end of the connecting piece (32) close to the energy storage cam (33) is pressed against the push-pushing protrusion (343). A rotation spring (344) is provided between one end of the push-pushing protrusion (343) away from the connecting piece (32) and the supporting seat (7), and a clearance groove for the limiting rotating shaft (342) to allow the limiting body (341) to rotate is provided.

6. A circuit breaker operating mechanism according to claim 1, characterized in that: The automatic energy storage component (2) comprises a motor (21) and a gear set (22); a driven gear (23) is sleeved on the driving shaft (81); a driving gear (24) is sleeved on the motor (21); the driving gear (24), the gear set (22) and the driven gear (23) are meshed in sequence; a limit gear (25) is sleeved on the driving shaft (81); the limit gear (25) rotates coaxially with the driving shaft (81); a limit rotating shaft (26) is provided on the support seat (7); a limit clamping claw (27) is sleeved on the limit rotating shaft (26); a torsion spring (28) is provided between the limit rotating shaft (26) and the limit clamping claw (27); and an end of the limit clamping claw (27) is engaged in the tooth gap of the limit gear (25); The motor (21) is turned on and off by a micro switch, the micro switch comprising a switch body (211) and a reed (212), the switch body (211) being provided with a contact (213), one end of the reed (212) being fixed on the switch body (211), the other end of the reed (212) extending outward and being placed above the contact (213), a gap being provided between the reed (212) and the contact (213), the side of the reed (212) facing away from the contact (213) being in contact with the pressing block (53), and when the pressing block (53) moves in the direction of the automatic energy storage component (2), the pressing block (53) pushes the reed (212) to move in the direction of the contact (213).

7. A circuit breaker operating mechanism according to claim 5, characterized in that: The automatic release component (4) comprises an electromagnetic relay (41) and an intermediate push block (42), wherein the intermediate push block (42) is rotatably connected to the support seat (7), one end of the intermediate push block (42) is in contact with the iron core of the electromagnetic relay (41), and the other end of the intermediate push block (42) is in contact with the push protrusion (343).

8. A circuit breaker operating mechanism according to claim 1, characterized in that: An energy storage and release state indicating assembly (9) is provided on the support seat (7), and the energy storage and release state indicating assembly (9) comprises a planetary gear (91) sleeved on the driving shaft (81) and coaxially rotating with the driving shaft (81) and an indicating rod (92), the indicating rod (92) being rotatably connected to the support seat (7), and a push-pushing ridge (93) is provided on one side of the planetary gear (91) facing the rocker arm assembly (6), and the end surface of the push-pushing ridge (93) protrudes in the direction of the rocker arm assembly (6); The indicating rod (92) is L-shaped, the supporting seat (7) is provided with an indicating shaft (94), a corner of the indicating rod (92) is provided with an indicating hole for the indicating shaft (94) to pass through, and the indicating rod (92) is sleeved on the indicating hole through the indicating hole; A push protrusion (95) is provided on the long section of the indicator rod (92), and the push protrusion (95) and the push ridge (93) are in mutual contact. When the planetary gear (91) rotates, the push ridge (93) drives the indicator rod (92) to swing back and forth through the push protrusion (95). An indicator plate (96) is provided at the end of the long section of the indicator rod (92).

9. A circuit breaker operating mechanism according to claim 1, characterized in that: The support seat (7) is provided with a switch state indicating assembly (10), the switch state indicating assembly (10) comprising a push plate (101) and a display rod (102), the push plate (101) is provided with a sliding hole, the support seat (7) is provided with a sliding block (103), the sliding block (103) is engaged in the sliding hole, the push plate (101) moves back and forth along the length direction of the sliding hole, the support seat (7) is provided with a clearance hole, the push plate (101) extends downward through the clearance hole and abuts against the circuit breaker; The push plate (101) is provided with a display hole (104); an end of the display rod (102) close to the push plate (101) is provided with a button, the button is engaged in the display hole (104) and reciprocates along the opening direction of the display hole (104); the middle part of the display rod (102) is rotatably connected to the support seat (7); and the end of the display rod (102) away from the circuit breaker is fixed with a display plate (105).

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