Electric operating device with padlock limiting function

Abstract

The utility model provides an electric operating device with padlock limiting, which is used for driving a switch handle on a circuit breaker to open or close, and comprises an outer shell which comprises a display cover arranged on one side; the operation board is arranged in the outer shell; the connecting assembly comprises a sliding block, the sliding block is connected with the switch handle, and the sliding block slides in the horizontal direction to drive the switch handle to rotate; a padlock hole is formed in one end, close to the display cover, of the padlock plate, and an abutting block is arranged at the other end of the padlock plate. The utility model discloses an electric operating device with a padlock limiting function. By arranging the abutting block, hanging of the padlock plate is limited through the sliding block during switching-on, and when the padlock plate is hung, the sliding block is limited to move to switch on, so that the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to an electric operating device with padlock limiting. BACKGROUND

[0002] The tripping and closing actions of the conventional miniature circuit breaker need to be manually operated. With the development of smart grid, miniature circuit breaker products capable of reliably realizing automatic tripping and closing are in urgent need. Therefore, the market has appeared electric operating devices capable of driving the tripping and closing actions of miniature circuit breakers in cooperation with miniature circuit breakers. By sending instructions to the electric operating device, remote driving of miniature circuit breakers for automatic tripping and closing can be realized without manual operation, which effectively saves manpower and material resources and is increasingly widely used.

[0003] The electric operating device for miniature circuit breakers is an accessory suitable for remotely automatically tripping and closing circuit breakers. However, when the circuit fails and needs to be repaired, the handle of the electric operating device may be mistakenly operated by people, posing a safety threat to repair personnel. Moreover, the electric operating device has many parts, a complex structure, and a large occupied space, resulting in a large overall volume of the electric operating device.

[0004] Therefore, it is necessary to improve the existing electric operating device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing an electric operating device with padlock limiting to solve the problem of safety hazards in the operation of existing electric operating devices.

[0006] To achieve the above-mentioned purpose, the utility model provides an electric operating device with padlock limiting to drive the switch handle on the circuit breaker to trip or close, which comprises:

[0007] The outer shell comprises a display cover arranged on one side.

[0008] The operation disc is arranged in the outer shell.

[0009] The connecting assembly comprises a sliding block, which is used to connect with the switch handle and slide in the horizontal direction to drive the switch handle to rotate.

[0010] The lock plate is provided with a lock hole at one end close to the display cover, and is provided with a bearing block at the other end, the bearing block has a first state and a second state, when the circuit breaker is closed, the lock hole is located in the outer shell, the bearing block is in the first state, and the bearing block bears against the slider in the vertical direction to limit the movement of the lock plate in the vertical direction; when the circuit breaker is opened and the lock plate protrudes out of the outer shell for locking, the slider moves in the horizontal direction to give way to the bearing block, the bearing block is in the second state, and the bearing block bears against the slider in the horizontal direction to limit the movement of the slider in the horizontal direction.

[0011] As a further improvement of the utility model, the bearing block is rotatably arranged relative to the lock plate.

[0012] As a further improvement of the utility model, the connecting assembly further comprises a sliding rail, the slider is slidably arranged relative to the sliding rail, and when the bearing block changes from the second state to the first state, the bearing block bears against the sliding rail and rotates relative to the lock plate.

[0013] As a further improvement of the utility model, the bearing block is provided with a torsional spring, and when the bearing block rotates from the first state to the second state, the bearing block rotates under the action of the torsional spring.

[0014] As a further improvement of the utility model, the lower end of the slider is provided with a giving way part for bearing against and limiting the bearing block, and when the bearing block is in the first state, the bearing block bears against the giving way part of the slider.

[0015] As a further improvement of the utility model, the electric operating device with lock limiting further comprises a plastic gasket arranged in the outer shell, the plastic gasket is provided with a reset plate, the lock plate is provided with a reset tension spring, the reset tension spring is connected with the lock plate and the reset plate, and when the lock plate protrudes out of the outer shell, the reset tension spring is in the stretched state.

[0016] As a further improvement of the utility model, the lock plate is provided with a hook, and one end of the reset tension spring is clamped with the hook.

[0017] As a further improvement of the utility model, the lock plate is provided with a guide groove extending in the vertical direction, the plastic gasket is provided with a guide part protruding through the guide groove, and the end part of the guide part is larger than the width of the guide groove.

[0018] As a further improvement of the utility model, one end of the guide groove is provided with a mounting hole for the guide part to pass through.

[0019] As a further improvement of the utility model, the connecting assembly further comprises a driving motor, a gear set and a cam, the gear set is connected with the driving motor and the cam, the cam is connected with the gear set and the sliding block, the driving motor drives the gear set to rotate, so as to drive the cam to rotate, and the cam drives the sliding block to move.

[0020] The electric operating device with the padlock limiting function has the advantages that: the padlock limiting block is arranged, so that the padlock plate is limited to be hung up by the sliding block when closing, the sliding block is limited to move when the padlock plate is hung up, the closing is realized, and the safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which are included to provide a further understanding of the application and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0022] Figure 1 is a perspective structural schematic view of the electric operating device of the utility model;

[0023] Figure 2 is another angle structural schematic view of the electric operating device of the utility model;

[0024] Figure 3 is an exploded structural schematic view of the electric operating device of the utility model;

[0025] Figure 4 is a structural schematic view of the shell of the electric operating device of the utility model;

[0026] Figure 5 is an internal structural schematic view of the electric operating device of the utility model;

[0027] Figure 6 is Figure 5 another angle schematic view;

[0028] Figure 7 is a structural schematic view of the operation disc of the electric operating device of the utility model;

[0029] Figure 8 is a structural schematic view of the connecting assembly of the electric operating device of the utility model;

[0030] Figure 9 is a structural schematic view of the padlock plate of the electric operating device of the utility model;

[0031] Figure 10 is another angle structural schematic view of the padlock plate of the electric operating device of the utility model;

[0032] Figure 11Is the structure diagram of the electric operating device's lock stop plate of the utility model;

[0033] Figure 12 Is the structure diagram of the electric operating device's manual operation plate of the utility model;

[0034] Figure 13 Is the structure diagram of the electric operating device's linkage of the utility model;

[0035] Figure 14 Is the structure diagram of the electric operating device's plastic gasket of the utility model;

[0036] Figure 15 Is the structure diagram of the electric operating device's open-close indication sliding plate of the utility model;

[0037] Figure 16 Is the structure diagram of the electric operating device's drive assembly of the utility model. DETAILED DESCRIPTION

[0038] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are some of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative efforts belong to the scope of protection of the utility model.

[0039] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship based on the drawings shown, which is only for the convenience of describing the utility model and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0040] In the description of the utility model, it needs to be explained that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0041] As Figures 1 to 16 shown, the electric operating device 100 with padlock limiting comprises an outer shell 1, an operating disc 3, a connecting assembly 4, a control circuit board 5, a padlock plate 6, a padlock baffle 7, a manual operating plate 8, a linkage 9, a plastic gasket 10, a split and combination indication sliding plate 101 and a driving assembly 102.

[0042] The electric operating device 100 with padlock limiting is used to drive the switch handle 2 on the circuit breaker to open or close. The switch handle 2 is shown in the figure to facilitate understanding of the cooperation between the electric operating device 100 with padlock limiting and the circuit breaker, and does not mean that the switch handle 2 belongs to the electric operating device 100 with padlock limiting.

[0043] As Figures 1 to 4 shown, the outer shell 1 comprises a display cover 11 arranged on one side, a first cover body 12 extending from the display cover 11 towards one side, and a second cover body 13 extending from the first cover body 12 towards a side away from the display cover 11, wherein the second cover body 13 protrudes out of the first cover body 12 in the horizontal direction to form a mounting step 14.

[0044] The plastic gasket 10 is arranged in the outer shell 1.

[0045] In this embodiment, the direction perpendicular to the display cover 11 is defined as the vertical direction, the direction of the display cover 11 or parallel to the direction of the display cover 11 is defined as the horizontal direction, and the direction of the electric operating device 100 with padlock limiting towards the display cover 11 is defined as upward, and the direction away from the display cover 11 is defined as downward. Such definition does not represent the position relative to the ground during actual installation or use, and is not limited thereto.

[0046] The display cover 11 is provided with a display hole 111, an operating hole 112 and a moving groove 113; the lower side of the display cover 11 is recessed to form a track groove 114, and in this embodiment, the track groove 114 does not penetrate the display cover 11, but is not limited thereto.

[0047] If the open hole type installation is adopted, the first cover body 12 can protrude out of the protective panel to expose the display cover 11 and the installation cabinet, and the second cover body 13 is hidden in the cabinet, and the mounting step 14 plays a limiting role, so that the protection level can be improved.

[0048] The outward side of the display cover 11 can also be provided with an identification icon 115 to indicate the color, shape, etc. displayed from the display hole 111 corresponding to the state of the electrically operated device 100 with the padlock limiting. Generally, the electrically operated device 100 with the padlock limiting has at least three states of ON, OFF and TRIPPED, wherein the states of ON and OFF correspond to the states of the circuit breaker and the ON and OFF of the electrically operated device 100 with the padlock limiting, and when the circuit breaker is OFF, the electrically operated device 100 with the padlock limiting can be in the state of TRIPPED, which can be understood by those skilled in the art and will not be described here.

[0049] As shown in Figures 5 to 7 , the operation disc 3 is arranged in the outer shell 1 to manually drive the connection assembly 4 to work. In the embodiment, the operation disc 3 is provided with a keyhole 31 for a user to insert a key to operate the OFF and ON.

[0050] The operation hole 112 is arranged directly above the operation disc 3 to expose the keyhole 31.

[0051] As shown in Figure 1 , 3 , 12, the manual operation plate 8 is provided with an exposure slot 81 penetrating through the manual operation plate 8, and the manual operation plate 8 is provided with a hand holding protrusion 82 protruding upward, which is inserted into the moving slot 113 in the vertical direction and can be manually operated by a user to drive the manual operation plate 8 to move in the horizontal direction.

[0052] The manual operation plate 8 is arranged between the display cover 11 and the operation disc 3, and the manual operation plate 8 has a first position shielding the operation hole 112 and the manual operation plate 8, and a second position moving in the horizontal direction relative to the first position, and when the manual operation plate 8 is in the second position, the exposure slot 81 is located between the operation hole 112 and the manual operation plate 8. Without the padlock baffle 7 shielding the exposure slot 81, a user can operate the operation disc 3 through the exposure slot 81.

[0053] As shown in Figures 1-3 , Figure 6 , Figure 14 , the padlock plate 6 is provided with a padlock hole 61 at one end close to the display cover 11, and the padlock plate 6 has a storage state and a padlock state, and when the padlock plate 6 is in the storage state, the padlock hole 61 is located in the outer shell 1; and when the padlock plate 6 is in the padlock state, the padlock plate 6 protrudes out of the outer shell 1, and the padlock hole 61 is exposed outside the outer shell 1.

[0054] A reset plate 110 is provided on the plastic liner 10, and a reset spring 62 is provided on the padlock plate 6. The reset spring 62 connects the padlock plate 6 and the reset plate 110. When the padlock plate 6 protrudes out of the outer shell 1, the reset spring 62 is in a stretched state. When the external force is lost, the reset spring 62 can drive the padlock plate 6 to automatically change to a retracted state.

[0055] A hook 63 is protruded from the padlock plate 6 , and one end of the reset spring 62 is engaged with the hook 63 .

[0056] The padlock plate 6 is provided with a guide groove 64 extending in the vertical direction, and the plastic liner 10 is provided with a guide portion 120 protruding through the guide groove 64. The end of the guide portion 120 is larger than the width of the guide groove 64 to prevent the guide portion 120 from detaching from the padlock plate 6.

[0057] One end of the guide groove 64 is provided with a mounting hole 641 for the guide portion 120 to pass through. When the guide portion 120 is installed, the guide portion 120 passes through the mounting hole 641 .

[0058] In this embodiment, when the circuit breaker is closed, the padlock plate 6 is necessarily in the retracted state, and when the circuit breaker is open, the padlock plate 6 may be in the retracted state or the padlocked state. Whether to padlock or not is determined by the user according to the actual situation. In order to achieve this effect, this embodiment is configured as follows:

[0059] A resisting block 65 is provided at the other end of the padlock plate 6 away from the padlock hole 61 , wherein the padlock hole 61 is close to the display cover 11 , and the resisting block 65 is away from the display cover 11 .

[0060] The abutting block 65 is rotatably arranged relative to the padlock plate 6 .

[0061] The connecting assembly 4 includes a driving motor 41, a gear set 42, a cam 43, a slider 44, and a slide rail 45. The connecting assembly 4 is used to electrically drive the switch handle 2 to work;

[0062] like Figures 5 to 9 As shown, the gear set 42 is connected to the drive motor 41 and the cam 43, and the cam 43 is connected to the gear set 42 and the slider 44. The operation of the drive motor 41 drives the gear set 42 to rotate, thereby driving the rotation of the cam 43, and the cam 43 drives the slider 44 to move. When the electric operating device 100 with a padlock limit is engaged with the circuit breaker, the slider 44 is connected to the switch handle 2, and the slider 44 slides in the horizontal direction to drive the rotation of the switch handle 2. In this way, the operation of the drive motor 41 can drive the rotation of the switch handle 2.

[0063] Meanwhile, the connecting assembly 4 can connect the operation disc 3 and the switch handle 2, the operation disc 3 rotates along the axial direction to drive the switch handle 2 to move to realize the opening or closing of the circuit breaker; the implementation mode of the embodiment is that the operation disc 3 is connected with the gear set 42 and the cam 43, and the driving motor 41 has the clutch function, when not powered, the effect of driving the gear set 42 to rotate, the cam 43 to rotate and the slider 44 to move can be realized by rotating the operation disc 3.

[0064] The slider 44 is slidably arranged relative to the slide rail 45. The slide rail 45 extends along the horizontal direction, and in the embodiment, the number of slide rails 45 is two and they are arranged at intervals.

[0065] When the padlock plate 6 is in the storage state, the slider 44 can limit the padlock plate 6 to hang in the vertical direction, and when the padlock plate 6 is locked, the padlock plate 6 limits the slider 44 to slide to limit the closing of the circuit breaker.

[0066] Specifically, the abutting block 65 has a first state and a second state, and in the embodiment, the first state and the second state are different angles relative to the rotation of the padlock plate 6, when the circuit breaker is closed, the padlock hole 61 is located in the housing 1, that is, in the storage state, the abutting block 65 is in the first state, and the abutting block 65 abuts with the slider 44 in the vertical direction to limit the padlock plate 6 to move in the vertical direction; when the circuit breaker is opened and the padlock plate 6 protrudes out of the housing 1 to be locked, that is, in the locked state, the slider 44 moves in the horizontal direction to give way to the abutting block 65, the abutting block 65 is in the second state, and the abutting block 65 abuts with the slider 44 in the horizontal direction to limit the slider 44 to move in the horizontal direction.

[0067] The abutting block 65 is provided with a torsional spring 66, when the abutting block 65 rotates from the first state to the second state, the abutting block 65 is driven by the padlock plate 6 to move upward by a distance, and at the same time, the abutting block 65 rotates under the action of the torsional spring 66.

[0068] When the abutting block 65 changes from the second state to the first state, the abutting block 65 is driven by the padlock plate 6 to move downward by a distance, and the abutting block 65 abuts with the slide rail 45 and rotates relative to the padlock plate 6.

[0069] The lower end of the slider 44 is provided with a giving-up part 441 for abutting and limiting the abutting block 65, and when the abutting block 65 is in the first state, the abutting block 65 abuts with the giving-up part 441 of the slider 44.

[0070] In the embodiment, when the electric operating device 100 is closed, the sliding block 44 can limit the padlock plate 6 from hanging, and when the padlock plate 6 is locked, the abutting block 65 limits the sliding block 44 from sliding to avoid closing, which is safer in use.

[0071] As shown in Figures 1 to 6 , Figure 11 , Figure 14 The padlock baffle 7 is slidably arranged along the horizontal direction, and when the padlock plate 6 is locked, the padlock baffle 7 is shielded between the operating hole 112 and the manual operating plate 8, and when the circuit breaker is closed, the padlock baffle 7 is away from the operating hole 112 and the manual operating plate 8 along the horizontal direction.

[0072] In the embodiment, the padlock baffle 7 is arranged to limit the user from manually operating when the padlock plate 6 is in the locked state, so as to prevent electric shock.

[0073] When the padlock plate 6 moves along the vertical direction, the linkage 9 drives the padlock baffle 7 to slide along the horizontal direction.

[0074] The plastic gasket 10 is provided with a rotating shaft 130 pivotally connected with the linkage 9, and the linkage 9 is rotatably arranged relative to the rotating shaft 130. In the embodiment, the linkage 9 is arranged to drive the padlock baffle 7 to move along the horizontal direction when the padlock plate 6 moves along the vertical direction.

[0075] The padlock baffle 7 is provided with a stop hole 71 penetrating along the vertical direction, and when the circuit breaker is closed, the padlock plate 6 is in the storage state, and one end of the linkage 9 is inserted into the stop hole 71 along the vertical direction.

[0076] The padlock baffle 7 is provided with a driving plate 72 protruding downward along the vertical direction, and when the padlock plate 6 is switched from the storage state to the locked state, the linkage 9 pushes the driving plate 72 along the horizontal direction to drive the padlock baffle 7 to move along the horizontal direction.

[0077] The padlock baffle 7 is provided with a limiting shaft 73 protruding upward along the vertical direction, the track groove 114 extends along the horizontal direction, the limiting shaft 73 is inserted into the track groove 114 and is slidably arranged relative to the track groove 114.

[0078] The driving block 67 is arranged on the padlock plate 6 and is used to abut against the linkage 9 in the vertical direction. When the padlock plate 6 moves upward, the driving block 67 can drive the linkage 9 to rotate, on the one hand, so that the end of the linkage 9 is separated from the stop hole 71, and on the other hand, so that the linkage 9 drives the driving plate 72 to move the padlock baffle 7 in the horizontal direction. When the padlock plate 6 moves downward, the upper end of the linkage 9 is gradually inserted into the stop hole 71 and drives the padlock baffle 7 to move in the horizontal direction.

[0079] The padlock baffle 7 is arranged in the exposure groove 81 and abuts against the manual operation plate 8 in the horizontal direction.

[0080] The manual operation plate 8 protrudes into the exposure groove 81 and is provided with a limiting step 83, and the padlock baffle 7 is arranged on the limiting step 83. The limiting step 83 can support the padlock baffle 7 and limit the left and right shaking of the padlock baffle 7.

[0081] When the padlock plate 6 is in the storage state, the user can freely move the manual operation plate 8 without driving the padlock baffle 7 to move, so that the manual operation plate 8 is shielded between the operation hole 112 and the operation disc 3 or the exposure groove 81 is arranged between the operation hole 112 and the operation disc 3. When the padlock plate 6 is in the padlocking state, the padlock baffle 7 drives the manual operation plate 8 to move, although the exposure groove 81 is arranged between the operation hole 112 and the operation disc 3, the padlock baffle 7 is necessarily arranged in the exposure groove 81, so as to shield the operation disc 3, thereby avoiding the danger caused by manual operation.

[0082] The linkage 9 is arranged to drive the padlock plate 6 to drive the padlock baffle 7 to move, thereby avoiding the danger caused by manual operation when the padlock is locked.

[0083] The control circuit board 5 is electrically connected with the connecting assembly 4 to control the working of the connecting assembly 4. More specifically, the control circuit board 5 is provided with a switching power supply, a power conversion circuit, a sampling switch and circuit, and a control circuit.

[0084] The switching power supply is used to control the switching of the driving motor 41, and the power conversion circuit is used to adjust the output voltage. The sampling switch can include manual and automatic state sampling, on-off position sampling, reset signal sampling or tripping signal sampling. The control circuit can realize remote control and other functions.

[0085] As Figures 1 to 7 , Figures 15 to 16The display hole 111 is vertically opposite to the operation disc 3. The operation disc 3 has at least two first display parts 32 exposed from the display hole 111.

[0086] The split and combination indication sliding plate 101 is arranged between the operation disc 3 and the display cover 11. The split and combination indication sliding plate 101 is provided with a second display part 1011 and a through hole 1012.

[0087] The drive assembly 102 is used to drive the split and combination indication sliding plate 101 to slide. The drive assembly 102 drives the split and combination indication sliding plate 101 to move, so that the second display part 1011 or the through hole 1012 is located below the display hole 111. When the through hole 1012 is located below the display hole 111, the first display part 32 is exposed from the display hole 111.

[0088] In the embodiment, the first display part 32 is a different color block arranged on the side of the operation disc 3 facing the display cover 11, and the first display part 32 is arranged in a circumferential direction. The second display part 1011 is a color block arranged on the split and combination indication sliding plate 101.

[0089] More specifically, the second display part 1011 is a red color block, and the two first display parts 32 are a green color block and a white color block, respectively. The identification icon 115 corresponds to different colors. Red represents closing (ON), green represents opening (OFF), and white represents tripping (TRIPPED or TRIP). When the switch is closed, the second display part 1011 is located below the display hole 111, and the display hole 111 can only expose the red color on the second display part 1011. When the switch is opened, the display hole 111 exposes the green color on the first display part 32 through the through hole 1012. In this state, if there is a tripping problem, the operation disc 3 will rotate relatively, and the display hole 111 will expose the white color.

[0090] The drive assembly 102 includes an indication push rod 1021 and an indication rotating part 1022. The indication push rod 1021 and the indication rotating part 1022 are arranged on the side of the split and combination indication sliding plate 101 away from the display cover 11. The indication push rod 1021 slides in a direction perpendicular to the split and combination indication sliding plate 101. The indication rotating part 1022 is driven by the indication push rod 1021 to drive the split and combination indication sliding plate 101 to move in a horizontal direction, so that the second display part 1011 or the through hole 1012 is located below the display hole 111.

[0091] The indication rotating part 1022 and the plastic gasket 10 are rotatably arranged.

[0092] The split-combination indication sliding plate 101 is provided with a driving fastener 1015 protruding towards the indication rotary part 1022, one end of the indication rotary part 1022 is inserted into the driving fastener 1015, so as to drive the split-combination indication sliding plate 101 to slide when the indication rotary part 1022 rotates.

[0093] The limiting hole 68 is arranged on the padlock plate 6, and the limiting protrusion 1024 is arranged on the indication rotary part 1022, when the circuit breaker is closed, the limiting protrusion 1024 is inserted into the limiting hole 68 to limit the padlock plate 6 from hanging. In the embodiment, in addition to the sliding block 44, the indication rotary part 1022 linked with the split-combination indication sliding plate 101 can also limit the padlock plate 6 from hanging.

[0094] The outer shell 1 is provided with a reset block 116 protruding towards the split-combination indication sliding plate 101, specifically, the reset block 116 is arranged on the display cover 11, the first reset spring 1013 is arranged on the split-combination indication sliding plate 101, when the circuit breaker is closed, the first reset spring 1013 is compressed, when the circuit breaker is opened, the first reset spring 1013 is reset to drive the split-combination indication sliding plate 101 to slide along the horizontal direction.

[0095] The split-combination indication sliding plate 101 is recessed with a receiving groove 1014 towards one side of the display cover 11, and the first reset spring 1013 is arranged in the receiving groove 1014.

[0096] The indication push rod 1021 is provided with the second reset spring 1023 abutting against the plastic gasket 10, when the circuit breaker is closed, the second reset spring 1023 is compressed, when the circuit breaker is opened, the second reset spring 1023 is reset to drive the indication push rod 1021 to slide along the horizontal direction.

[0097] As Figures 1 to 6 The working process of the electric operating device 100 with padlock limiting of the utility model is as follows: when the electric operating device 100 with padlock limiting needs to control the circuit breaker to close, it is necessary to ensure that the padlock plate 6 is in the receiving state, the sliding block 44 is driven to slide by manual or electric mode, and then the switch handle 2 is driven to rotate.

[0098] When closing, the slider 44 is abutted by the abutted block 65, the slider 44 limits the hanging of the padlock plate 6 by abutting the abutted block 65, while the limiting protrusion 1024 of the indicating rotary piece 1022 is also inserted into the limiting hole 68, further limiting the hanging of the padlock plate 6, playing a double insurance; at the same time, the second display part 1011 is below the display hole 111, showing that it is in the closing state at this time; no matter whether the electric operating device 100 with padlock limiting is in the opening state or the closing state, as long as the padlock plate 6 is not hung, the user can manually move the manual operating plate 8 to determine whether to control the operating disc 3 in a manual manner;

[0099] When opening and the padlock plate 6 is not hung, the slider 44 slides relatively, at this time, in the vertical direction, the slider 44 gives way to the abutted block 65, while the indicating push rod 1021 moves upward, driving the indicating rotary piece 1022 to rotate, and further driving the opening-closing indicating sliding plate 101 to slide, so that the through hole 1012 is located below the display hole 111, exposing the first display part 32, while the limiting protrusion 1024 is separated from the limiting hole 68, no longer limiting the padlock plate 6, in this state, the padlock plate 6 can be hung;

[0100] When opening and the padlock plate 6 is hung, the abutted block 65 is lifted and rotated relatively to abut the slider 44 in the horizontal direction, avoiding closing, while the driving block 67 moves upward, driving the linkage 9 to rotate and further driving the padlock baffle 7 to move to the upper side of the operating disc 3 to shield the key hole 31, avoiding manual operation by the user.

[0101] When the padlock is released, the padlock plate 6 returns to the storage state under the action of the second reset spring 1023, while the abutted block 65 returns to the first state under the action of the torsional spring 66, releasing the limitation on the slider 44, and the padlock baffle 7 moves away from between the operating hole 112 and the manual operating plate 8 in the horizontal direction;

[0102] When switching from opening to closing, the slider 44 moves to the upper side of the abutted block 65, the first reset spring 1013 pushes the opening-closing indicating sliding plate 101 to slide, driving the indicating rotary piece 1022 to rotate and further making the limiting protrusion 1024 inserted into the limiting hole 68.

[0103] The electric operating device 100 with the lock limiting function can realize electric automatic control and manual control, has compact structure, is convenient to use and is high in safety.

[0104] The technical features of the above-mentioned embodiments can be combined arbitrarily, and for the sake of brevity, all possible combinations of the technical features in the above-mentioned embodiments are not described, but as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0105] The above-mentioned embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. An electric operating device with a padlock limiter for driving the switch handle on a circuit breaker to open or close the circuit breaker, characterized in that: The electric operating device with padlock limiting function comprises: an outer housing comprising a display cover arranged on one side; an operation plate arranged in the outer housing; a connecting assembly comprising a sliding block connected with the switch handle, the sliding block sliding in horizontal direction to drive the switch handle to rotate; a padlock plate, one end of the padlock plate close to the display cover is provided with a padlock hole, the other end of the padlock plate is provided with a resisting block, the resisting block has a first state and a second state, when the circuit breaker is closed, the padlock hole is located in the outer housing, the resisting block is in the first state, the resisting block resists the sliding block in vertical direction to limit the padlock plate from moving in vertical direction; when the circuit breaker is opened and the padlock plate protrudes out of the outer housing for padlocking, the sliding block moves in horizontal direction to give way to the resisting block, the resisting block is in the second state, the resisting block resists the sliding block in horizontal direction to limit the sliding block from moving in horizontal direction.

2. An electrically operated device with padlock securing according to claim 1, characterized in that: The resisting block is rotatably arranged relative to the padlock plate.

3. An electrically operated device with padlock securing according to claim 2, characterized in that: The connecting assembly further comprises a sliding rail, the sliding block is slidably arranged relative to the sliding rail, when the resisting block changes from the second state to the first state, the resisting block resists the sliding rail and rotates relative to the padlock plate.

4. An electrically operated device with padlock securing according to claim 3, characterized in that: The resisting block is provided with a torsional spring, when the resisting block rotates from the first state to the second state, the resisting block rotates under the action of the torsional spring.

5. The electrically operated device with padlock clasp restraint of claim 1, wherein: The lower end of the sliding block is provided with a giving way part for resisting and limiting the resisting block, when the resisting block is in the first state, the resisting block resists the giving way part of the sliding block.

6. The electrically operated device with padlock clasp restraint of claim 1, wherein: The electric operating device with padlock limiting function further comprises a plastic gasket arranged in the outer housing, the plastic gasket is provided with a reset plate, the padlock plate is provided with a reset tension spring, the reset tension spring connects the padlock plate and the reset plate, when the padlock plate protrudes out of the outer housing, the reset tension spring is in the stretched state.

7. An electrically operated device with padlock securing according to claim 6, characterized in that: The padlock plate is provided with a hook, one end of the reset tension spring is clamped with the hook.

8. An electrically operated device with padlock securing according to claim 6, characterized in that: The padlock plate is provided with a guide slot extending in vertical direction, the plastic gasket is provided with a guide part protruding through the guide slot, the end of the guide part is larger than the width of the guide slot.

9. An electrically operated device with padlock securing according to claim 8, characterized in that: One end of the guide slot is provided with a mounting hole for the guide part to pass through.

10. The electrically operated device with padlock clasp restraint of claim 1, wherein: The connecting assembly further comprises a driving motor, a gear set and a cam, the gear set connects the driving motor and the cam, the cam connects the gear set and the sliding block, the driving motor works to drive the gear set to rotate, so as to drive the cam to rotate, the cam drives the sliding block to move.

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