CN218826912U - Switch cabinet - Google Patents
Switch cabinet Download PDFInfo
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- CN218826912U CN218826912U CN202223481632.3U CN202223481632U CN218826912U CN 218826912 U CN218826912 U CN 218826912U CN 202223481632 U CN202223481632 U CN 202223481632U CN 218826912 U CN218826912 U CN 218826912U
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- connecting plate
- interlocking device
- hole
- sleeve
- frame
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
A switch cabinet belongs to the technical field of complete switch electric appliances. The circuit breaker comprises a cabinet door and a circuit breaker arranged in a switch cabinet, wherein the circuit breaker comprises a frame, an operating mechanism, an interlocking device and an emergency brake-separating device, the frame is provided with a frame cantilever side plate, the operating mechanism and the interlocking device are arranged on the frame cantilever side plate, the emergency brake-separating device is fixed on the frame and matched with the interlocking device, the operating mechanism comprises a brake-separating half shaft which is rotatably arranged on the frame cantilever side plate and driven by the interlocking device, the emergency brake-separating device comprises a mounting plate mechanism, a crank arm mechanism and an outer operating rod, the mounting plate mechanism is fixed on the frame, the crank arm mechanism is arranged on the mounting plate mechanism, one end of the outer operating rod is connected with the crank arm mechanism, and the other end of the outer operating rod is matched with the outer operating rod to implement brake-separating operation. The advantages are that: reliable mechanical opening is realized under the state of not opening the cabinet door, so that accidents are avoided, and the safety is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of complete sets of switching device, concretely relates to switch cabinet.
Background
Vacuum circuit breakers are used in power distribution systems to distribute electrical energy and to protect electrical circuits from circuit faults such as overloads, short circuits, undervoltages, grounds, etc. The power supply system should generally ensure that the circuit breaker is in an open state when switching, equipment overhaul or maintenance is required. At present, there are two main ways of implementing opening of a circuit breaker: firstly, the operation handle is electrically opened under the condition that the cabinet door of the switch cabinet is not opened; and secondly, the manual brake-separating is realized by operating the brake-separating button under the state of opening the cabinet door of the switch cabinet. Because the first brake-separating mode needs to ensure that the secondary circuit has a power supply and the secondary element inside the circuit breaker has no fault, the possibility of unsuccessful brake-separating exists, further the live overhaul is caused to remove the fault, and safety accidents are easily caused; since the second opening method requires opening the cabinet door for operation, there is a risk of accident due to safety loss.
SUMMERY OF THE UTILITY MODEL
The task of the utility model is to provide a help can realize reliable mechanical separating brake and can avoid the emergence accident and ensure safe cubical switchboard under the state of not opening the cabinet door.
The utility model discloses a task is accomplished like this, a cubical switchboard, including a cabinet door and a circuit breaker of setting in the cubical switchboard, the circuit breaker includes a frame, an operating device, an interlock and an urgent separating brake device, the frame has a frame cantilever curb plate, and operating device and interlock setting are in on the frame cantilever curb plate, urgent separating brake device is fixed on the frame, and this urgent separating brake device cooperatees with interlock, operating device sets up including rotating on the frame cantilever curb plate and by a minute brake semi-axis that interlock drove, urgent separating brake device include a mounting panel mechanism, a turning arm mechanism and an outer action bars, the mounting panel mechanism is fixed on the frame, turning arm mechanism sets up in mounting panel mechanism, the one end and the turning arm mechanism of outer action bars are connected, and the other end constitution constitutes for supplying outside action bars to cooperate and implement the outside action bars cooperation end of separating brake operation.
In a specific embodiment of the present invention, the mounting plate mechanism includes a first connecting plate and a second connecting plate, the first connecting plate is fixed to a downward side of the frame, a first connecting plate through hole is formed in the first connecting plate, the second connecting plate faces the first connecting plate, one end of the first connecting plate is fixed to the first connecting plate, the other end of the second connecting plate is a cantilever end and is provided with a second connecting plate through hole, and the crank arm mechanism is disposed on the first connecting plate and the second connecting plate through the first connecting plate through hole and the second connecting plate through hole.
In another specific embodiment of the present invention, the crank arm mechanism comprises a first sleeve i, a second sleeve ii, a second bearing ii, a crank arm body and a first bearing i, the first bearing i is disposed on the first connecting plate at a position corresponding to the through hole of the first connecting plate, one end of the first sleeve i facing the first bearing i is rotatably engaged with the first bearing i, and one end of the first sleeve i facing the crank arm mechanism is engaged with the crank arm mechanism; the second bearing II is arranged on the second connecting plate at a position corresponding to the through hole of the second connecting plate, one end, facing the second bearing II, of the second sleeve II is in running fit with the second bearing II, one end, facing the second connecting plate, of the crank arm body is arranged between the first sleeve I and the second sleeve II, one end, far away from the second connecting plate, of the crank arm body is formed into a free end, and the crank arm body drives the interlocking device matched with the crank arm body to enable the interlocking device to drive the opening half shaft of the operating mechanism; one end of the outer operating rod sequentially penetrates through the first bearing I, the first sleeve I and the crank arm body and then penetrates through the second sleeve II and the second bearing II.
In yet another specific embodiment of the present invention, the first connecting plate is formed with a first connecting plate bending portion toward the end of the frame, the first connecting plate bending portion screw hole is formed on the first connecting plate bending portion, the first connecting plate is fixed to the frame by passing the first connecting plate bending portion screw hole through the frame and the first connecting plate bending portion screw hole in sequence and is limited by a first connecting plate bending portion limiting nut screwed on the first connecting plate bending portion screw, and a crank arm body stop arm is formed at the end of the first connecting plate away from the frame; a second connecting plate fixing screw hole is formed in one end, facing the first connecting plate, of the second connecting plate, a first connecting plate screw hole is formed in the first connecting plate and in a position corresponding to the second connecting plate fixing screw hole, and a second connecting plate fixing screw penetrates through the second connecting plate fixing screw hole and the first connecting plate screw hole in sequence to fix one end, facing the first connecting plate, of the second connecting plate with the first connecting plate and is limited by a second connecting plate fixing screw limiting nut screwed at the tail end of the second connecting plate fixing screw; the crank arm body corresponds to one side of the crank arm body blocking arm back to the second connecting plate.
In a further specific embodiment of the present invention, the second connecting plate is zigzag-shaped.
In yet another specific embodiment of the present invention, the connecting lever body includes a first actuating arm i of the interlocking device, a second actuating arm ii of the interlocking device, a first actuating arm connecting pin i, a second actuating arm connecting pin ii, and an interlocking device actuating roller, the first actuating arm i of the interlocking device and the second actuating arm ii of the interlocking device form a face-to-face positional relationship with each other, a first sleeve corresponding hole i is opened at one end of the first actuating arm i of the interlocking device facing the first sleeve i, the first sleeve i faces one end of the connecting lever mechanism and is matched with the first actuating arm i of the interlocking device at a position corresponding to the periphery of the first sleeve corresponding hole i, a second sleeve corresponding hole ii is opened at one end of the second actuating arm ii of the interlocking device facing the second sleeve ii, the second actuating arm ii of the interlocking device is matched with the second sleeve ii at a position corresponding to the periphery of the second sleeve corresponding hole ii, the first actuating arm i is connected to the interlocking device and is disposed between the first actuating arm i of the interlocking device and the interlocking device, and the interlocking device is connected to the interlocking device at one side of the interlocking device facing the second actuating arm i, and the interlocking device facing the interlocking device.
In a more specific embodiment of the present invention, a first connecting pin hole i is formed in the middle of the first actuating arm i of the interlocking device, and a second connecting pin hole ii is formed in the first actuating arm i of the interlocking device toward one end of the interlocking device, a first connecting pin hole i is formed in the middle of the second actuating arm ii of the interlocking device and at a position corresponding to the first connecting pin hole i, and a second connecting pin hole ii is formed in the second actuating arm ii of the interlocking device toward one end of the interlocking device and at a position corresponding to the second connecting pin hole ii, the first actuating arm connecting pin hole i is fixed between the first connecting pin hole i and the first connecting pin hole i, and the second actuating arm connecting pin hole ii is fixed between the second connecting pin hole ii and the second connecting pin hole ii.
In yet another specific embodiment of the present invention, the interlock actuation roller is a bearing; the first sleeve corresponding hole I and the second sleeve corresponding hole II are rectangular holes.
In yet another specific embodiment of the present invention, the cross-sectional shape of the outer operating rod is rectangular.
The technical scheme provided by the utility model the technical effect lie in: because by installation plate mechanism, connecting lever mechanism and outer operating lever constitution emergency separating brake device to fix the installation plate mechanism on the frame, set up connecting lever mechanism on installation plate mechanism, be connected outer operating lever's one end and connecting lever mechanism, and the other end constitutes for being used for supplying outside operating lever rather than the cooperation and implements the operation end of separating brake operation, therefore helps realizing reliable mechanical separating brake under the state of not opening the cabinet door and can avoid the emergence accident, fully ensures safety.
Drawings
Fig. 1 is a schematic view of an embodiment of the present invention.
Fig. 2 is a schematic view of the frame of fig. 1 and the emergency opening device fixed on the frame and the interlocking device.
Fig. 3 is a detailed structural view of the emergency opening device shown in fig. 1 and 2.
Fig. 4 is a schematic view of the mounting plate mechanism and the crank arm mechanism shown in fig. 3 assembled with each other.
Fig. 5 is an assembled structure view of the crank arm body shown in fig. 3 and 4.
Fig. 6 is a schematic view of the interlock shown in fig. 1 and 2 in cooperation with cantilevered side panels of a frame.
Detailed Description
In order to make the technical essence and advantages of the present invention more clear, the applicant below describes in detail the embodiments, but the description of the embodiments is not a limitation of the present invention, and any equivalent changes made according to the inventive concept, which are only formal and not essential, should be considered as the technical scope of the present invention.
Referring to fig. 1 to 2, in fig. 1, there is shown a cabinet door 1 and a circuit breaker 2 disposed at a side of the cabinet door 1 facing a cabinet cavity, that is, a cabinet inside the cabinet, the circuit breaker 2 includes a frame 21, an operating mechanism 22, an interlocking device 23 and an emergency opening device 24, the frame 21 is fixed at a side of the cabinet door 1 facing the cabinet cavity, and the frame 21 has a frame cantilever side plate 211, the operating mechanism 22 and the interlocking device 23 are disposed on the frame cantilever side plate 211, the emergency opening device 24 is fixed on the frame 21, the emergency opening device 24 is matched with the interlocking device 23, and the operating mechanism 22 includes a opening half shaft 221 (shown in fig. 2) rotatably disposed on the frame cantilever side plate 211 and driven by the interlocking device 23.
Please refer to fig. 3 in combination with fig. 1 and fig. 2, which is a technical point of the technical solution provided by the present invention: the emergency opening device 24 includes a mounting plate mechanism 241, a crank arm mechanism 242, and an outer operating lever 243, the mounting plate mechanism 241 is fixed to the frame 21, the crank arm mechanism 242 is disposed on the mounting plate mechanism 241, one end of the outer operating lever 243 is connected to the crank arm mechanism 242, and the other end is configured as an outer operating lever engaging end for engaging with the outer operating lever 3 to perform an opening operation.
Please refer to fig. 3, the aforementioned mounting plate mechanism 241 includes a first connecting plate 2411 and a second connecting plate 2412, the first connecting plate 2411 is fixed to a downward side of the frame 21, a first connecting plate through hole 24111 is formed on the first connecting plate 2411, one end of the second connecting plate 2412 facing the first connecting plate 2411, i.e. the left end in the position state shown in fig. 3, is fixed to the first connecting plate 2411, the first connecting plate 2411 and the second connecting plate 2412 are spliced to form a mounting space, the other end of the second connecting plate 2412, i.e. the right end in the position state shown in fig. 3, is formed as a cantilever end and is provided with a second connecting plate through hole 24121, and the crank arm mechanism 242 is disposed in the mounting space through the first connecting plate through hole 24111 and the second connecting plate through hole 24121.
The crank arm mechanism 242 comprises a first sleeve I2421, a second sleeve II 2422, a second bearing II 2423, a crank arm body 2424 and a first bearing I2425, wherein the first bearing I2425 is arranged on the first connecting plate 2411 at a position corresponding to the first connecting plate through hole 24111, one end of the first sleeve I2421, facing the first bearing I2425, is in rotating fit with the first bearing I2425, and one end of the first sleeve I2421, facing the crank arm mechanism 242, is in fit with the crank arm mechanism 242; the second bearing II 2423 is arranged on the second connecting plate 2412 at a position corresponding to the second connecting plate through hole 24121, one end of the second sleeve II 2422 facing the second bearing II 2423 is rotationally matched with the second bearing II 2423, one end of the crank arm body 2424 facing the second connecting plate 2412, namely the rear end in the position state shown in FIG. 3, is arranged between the first sleeve I2421 and the second sleeve II 2422, and one end of the crank arm body 2424, far away from the front end second connecting plate 2412 in the position state shown in FIG. 3, is formed as a free end and drives the interlocking device 23 matched with the free end to enable the interlocking device 23 to drive the opening half shaft 221 of the operating mechanism 22; one end of the outer operating rod 243 sequentially penetrates through a first bearing I2425, a first sleeve I2421, a crank arm body 2424 and then penetrates through a second sleeve II 2422 and a second bearing II 2423.
Referring to fig. 4 and fig. 3, a first connecting plate bending portion 24112 is formed at an end of the first connecting plate 2411 facing the frame 21, a first connecting plate bending portion screw hole 24113 is formed on the first connecting plate bending portion 24112, a first connecting plate bending portion screw 24114 (shown in fig. 2) sequentially passes through the frame 21 and the first connecting plate bending portion screw hole 24113 to fix the first connecting plate 2411 with the frame 21 and is limited by a first connecting plate bending portion limiting nut 24115 screwed on the first connecting plate bending portion screw 24114, and a crank arm body blocking arm 24116 is formed at an end of the first connecting plate 2411 away from the frame 21; a second connecting plate fixing screw hole 24122 is formed at one end of the second connecting plate 2412 facing the first connecting plate 2411, a first connecting plate screw hole 24117 is formed at a position corresponding to the second connecting plate fixing screw hole 24122 on the second connecting plate 2412, and one end of the second connecting plate 2412 facing the first connecting plate 2411 is fixed with the first connecting plate 2411 by a second connecting plate fixing screw 24123 sequentially passing through the second connecting plate fixing screw hole 24122 and the first connecting plate screw hole 24117 and is limited by a second connecting plate fixing screw limiting nut 24124 screwed at the tail end of the second connecting plate fixing screw 24123; the crank arm body 2424 corresponds to the side of the crank arm body stopper arm 24116 facing away from the second connecting plate 2412.
Also shown in fig. 3 are a spring washer 24125 and a washer 24126 that are sleeved over the second connector plate set screw 24123.
In the present embodiment, the second connection plate 2412 has a zigzag shape, but may be referred to as an N-shape.
Referring to fig. 5 and continuing to refer to fig. 3 and 4, the crank arm body 2424 includes a first actuating arm i 24241, a second actuating arm ii 24242, a first actuating arm connecting pin i 24243, a second actuating arm connecting pin ii 24244 and a second actuating roller 24245, the first actuating arm i 24241 and the second actuating arm ii 24242 are in a face-to-face relationship, a first sleeve corresponding hole i 24246 is formed at an end of the first actuating arm i 24241 facing the first sleeve i 2421, the first sleeve i 2421 is fixed to the first actuating arm i 24241 at an end facing the crank arm 242 and at a position corresponding to the periphery of the first sleeve corresponding hole i 24246, a second sleeve corresponding hole ii 24247 is formed at an end of the second actuating arm ii 24242 facing the second sleeve ii 2422, the second actuating arm II of the interlocking device 24242 is fixed with the second sleeve II 2422 at a position corresponding to the periphery of the corresponding hole II of the second sleeve II 24247, the first actuating arm connecting pin I24243 is arranged between the opposite sides of the middle parts of the first actuating arm I24241 of the interlocking device and the second actuating arm II of the interlocking device 24242, the middle parts of the first actuating arm I24241 of the interlocking device and the second actuating arm II of the interlocking device 24242 correspond to the side of the connecting lever arm body 24116 facing the interlocking device 23, the second actuating arm connecting pin II 24244 is arranged between the opposite sides of the first actuating arm I24241 of the interlocking device and the second actuating arm II of the interlocking device 24242 facing the end of the interlocking device 23, and the interlocking device actuating roller 24245 is arranged on the second actuating arm connecting pin II 24244 and is in contact with the interlocking device 23.
As shown in fig. 5, a first connecting pin hole i 24248a is formed in the middle of the first actuating arm i 24241 of the interlocking device, a second connecting pin hole ii 24248b is formed in the end of the first actuating arm i 24241 of the interlocking device facing the interlocking device 23, a first connecting pin positioning hole i 24249a is formed in the middle of the second actuating arm ii 24242 of the interlocking device at a position corresponding to the first connecting pin hole i 24248a, a second connecting pin positioning hole ii 24249b is formed in the end of the second actuating arm ii 24242 of the interlocking device facing the interlocking device 23 at a position corresponding to the second connecting pin hole ii 24248b, the first actuating arm connecting pin i 24243 is fixed between the first connecting pin hole i 24248a and the first connecting pin positioning hole i 24249a, and the second connecting pin hole ii 24244 is fixed between the second connecting pin hole ii 24248b and the second connecting pin positioning hole 242ii 24249 b.
In the present embodiment, the aforementioned interlock actuation roller 24245 preferably uses a bearing, but other components like a bearing such as a roller and the like may be used; the first sleeve corresponding hole i 24246 and the second sleeve corresponding hole ii 24247 are rectangular holes, and accordingly, the cross section of the outer operating rod 243 is rectangular.
Referring to fig. 6, the interlocking device 23 includes a driving plate 231, a switching-off push rod 232, a fixing frame 233, an elastic element 234 and a limiting element 235, wherein the fixing frame 233 is U-shaped and fixedly disposed inside the frame 21, the switching-off push rod 232 vertically penetrates through the fixing frame 233, the driving plate 231 is fixedly disposed at the upper end of the switching-off push rod 232 and is used for being matched with the crank arm body 2424, the lower end of the switching-off push rod 232 is matched with the switching-off half shaft 221, the limiting element 235 is clamped on the switching-off push rod 232 and is located between an upper plate at the upper end of the fixing frame 233 and the driving plate 231, and the elastic element 234 is disposed between the limiting element 235 and the driving plate 231. The elastic element 234 can reset the opening push rod 232 after being actuated. The elastic element 234 is preferably a helical compression spring and the aforementioned stopper element 235 is preferably a circlip.
In this embodiment, the circuit breaker is a handcart type circuit breaker, as shown in fig. 1, the handcart type circuit breaker further comprises a propelling device 25, the circuit breaker 1 can smoothly enter the switch cabinet through the propelling device 25, and the propelling device 25 is a conventional technology, so that the applicant does not give any further details. The switch cabinet further includes an external operating rod 3 shown in fig. 1 and mentioned above for many times, one end of the external operating rod 3 is connected to the external operating rod 243, and the other end of the external operating rod 3 is ejected out of the cabinet door 1 through a hole formed in the pushing device 25 and a corresponding hole formed in the cabinet door 1, so that the external operating rod 3 can be operated outside the cabinet door 1, and the external operating rod 243 is driven to move, and finally the crank arm body 2424 is driven to press the driving plate 231, so that the opening push rod 232 moves downwards to touch and press the opening half shaft 221 to realize emergency opening of the circuit breaker.
In the present embodiment, the external operating lever 3 and the external operating lever 243 are provided separately, but it is also possible to provide the two integrally.
To sum up, the technical solution provided by the present invention remedies the defects in the prior art, successfully completes the invention task, and faithfully embodies the technical effects mentioned in the above technical effect column by the applicant.
Claims (9)
1. A switch cabinet comprises a cabinet door (1) and a circuit breaker (2) arranged in the switch cabinet, wherein the circuit breaker (2) comprises a frame (21), an operating mechanism (22), an interlocking device (23) and an emergency opening device (24), the frame (21) is provided with a frame cantilever side plate (211), the operating mechanism (22) and the interlocking device (23) are arranged on the frame cantilever side plate (211), the emergency opening device (24) is fixed on the frame (21), the emergency opening device (24) is matched with the interlocking device (23), the operating mechanism (22) comprises an opening half shaft (221) which is rotatably arranged on the frame cantilever side plate (211) and driven by the interlocking device (23), the switch cabinet is characterized in that the emergency opening device (24) comprises a mounting plate mechanism (241), a crank arm mechanism (242) and an external operating rod (243), the mounting plate mechanism (241) is fixed on the frame (21), the crank arm mechanism (242) is arranged on the mounting plate mechanism (241), and the operating rod (242) is matched with the other end of the operating rod (242) to form an external operating rod (242).
2. The switch cabinet as claimed in claim 1, wherein the mounting plate mechanism (241) comprises a first connecting plate (2411) and a second connecting plate (2412), the first connecting plate (2411) is fixed to a downward side of the frame (21), a first connecting plate through hole (24111) is formed in the first connecting plate (2411), one end of the second connecting plate (2412) facing the first connecting plate (2411) is fixed to the first connecting plate (2411), the other end of the second connecting plate (2412) is formed as a cantilever end and is provided with a second connecting plate through hole (24121), and the crank arm mechanism (242) is arranged on the first connecting plate (2411) and the second connecting plate through hole (24111) and (24121) through the first connecting plate through hole (24111) and the second connecting plate through hole (2412).
3. A switchgear cabinet according to claim 2, wherein the said crank arm mechanism (242) comprises a first sleeve i (2421), a second sleeve ii (2422), a second bearing ii (2423), a crank arm body (2424) and a first bearing i (2425), the first bearing i (2425) is arranged on the first connection plate (2411) at a position corresponding to the first connection plate through hole (24111), one end of the first sleeve i (2421) facing the first bearing i (2425) is rotatably engaged with the first bearing i (2425), and one end of the first sleeve i (2421) facing the said crank arm mechanism (242) is engaged with the crank arm mechanism (242); the second bearing II (2423) is arranged on the second connecting plate (2412) at a position corresponding to the second connecting plate through hole (24121), one end, facing the second bearing II (2423), of the second sleeve II (2422) is in running fit with the second bearing II (2423), one end, facing the second connecting plate (2412), of the crank arm body (2424) is arranged between the first sleeve I (2421) and the second sleeve II (2422), and one end, far away from the second connecting plate (2412), of the crank arm body (2424) is formed into a free end and drives the interlocking device (23) matched with the free end to enable the interlocking device (23) to drive the opening half shaft (221) of the operating mechanism (22); one end of the outer operating rod (243) sequentially penetrates through the first bearing I (2425), the first sleeve I (2421) and the crank arm body (2424) and then penetrates through the second sleeve II (2422) and the second bearing II (2423).
4. A switchgear cabinet as claimed in claim 3, wherein the first connecting plate (2411) is formed with a first connecting plate bending portion (24112) at an end facing the frame (21), the first connecting plate bending portion (24112) is formed with a first connecting plate bending portion screw hole (24113), the first connecting plate bending portion screw (24114) passes through the frame (21) and the first connecting plate bending portion screw hole (24113) in sequence to fix the first connecting plate (2411) to the frame (21) and is defined by a first connecting plate bending portion defining nut (24115) screwed on the first connecting plate bending portion screw (24114), and a crank arm body stopper arm (24116) is formed at an end of the first connecting plate (2411) remote from the frame (21); a second connecting plate fixing screw hole (24122) is formed in one end, facing the first connecting plate (2411), of the second connecting plate (2412), a first connecting plate screw hole (24117) is formed in the first connecting plate (2411) and in a position corresponding to the second connecting plate fixing screw hole (24122), and a second connecting plate fixing screw (24123) sequentially penetrates through the second connecting plate fixing screw hole (24122) and the first connecting plate screw hole (24117) to fix one end, facing the first connecting plate (2411), of the second connecting plate (2412) with the first connecting plate (2411) and is limited by a second connecting plate fixing screw limiting nut (24124) screwed at the tail end of the second connecting plate fixing screw (24123); the crank arm body (2424) corresponds to one side, back to the second connecting plate (2412), of the crank arm body blocking arm (24116).
5. A switchgear cabinet as claimed in claim 2 or 4, characterized in that said second connection plate (2412) is Z-shaped.
6. The switch cabinet according to claim 4, characterized in that the crank arm body (2424) comprises an interlocking device first actuating arm I (24241), an interlocking device second actuating arm II (24242), a first actuating arm connecting pin shaft I (24243), a second actuating arm connecting pin shaft II (24244) and an interlocking device actuating roller (24245), the interlocking device first actuating arm I (24241) and the interlocking device second actuating arm II (24242) are in a face-to-face positional relationship with each other, a first sleeve corresponding hole I (24246) is formed in one end of the interlocking device first actuating arm I (24241) facing the first sleeve I (2421), the first sleeve I (2421) faces one end of the crank arm mechanism (242) and is matched with the interlocking device first actuating arm I (24241) at a position corresponding to the periphery of the first sleeve corresponding hole I (24246), a second sleeve corresponding hole II (24247) is formed in one end, facing the second sleeve II (2422), of the second actuating arm II (24242) of the interlocking device, the second actuating arm II (24242) of the interlocking device is matched with the second sleeve II (2422) at the position corresponding to the periphery of the second sleeve corresponding hole II (24247), a first actuating arm connecting pin shaft I (24243) is arranged between opposite sides of the middle portions of the first actuating arm I (24241) of the interlocking device and the second actuating arm II (24242) of the interlocking device, and the middle portions of the first actuating arm I (24241) of the interlocking device and the second actuating arm II (24242) of the interlocking device and the crank arm body block side The side of the arm (24116) facing the interlocking device (23) corresponds to the side of the second actuating arm connecting pin shaft II (24244) arranged between the first actuating arm I (24241) of the interlocking device and the opposite side of the second actuating arm II (24242) of the interlocking device facing one end of the interlocking device (23), and an interlocking device actuating roller (24245) arranged on the second actuating arm connecting pin shaft II (24244) and contacted with the interlocking device (23).
7. A switchgear as claimed in claim 6, wherein a first connecting pin hole I (24248 a) is formed in the middle of the first actuator arm I (24241) of the interlock device, a second connecting pin hole II (24248 b) is formed in the end of the first actuator arm I (24241) of the interlock device facing the interlock device (23), a first connecting pin hole I (24249 a) is formed in the middle of the second actuator arm II (24242) of the interlock device at a position corresponding to the first connecting pin hole I (24248 a), a second connecting pin hole II (24249 b) is formed in the end of the second actuator arm II (24242) facing the interlock device (23) at a position corresponding to the second connecting pin hole II (24248 b), and the first actuator arm connecting pin I (24243) is fixed between the first connecting pin hole I (24248 a) and the first connecting pin hole II (24249 a) and the second connecting pin hole II (24244) is fixed between the second connecting pin hole II (24249 b) and the second connecting pin hole II (24248 b).
8. A switchgear cabinet as claimed in claim 6, characterized in that said interlock actuation roller (24245) is a bearing; the first sleeve corresponding hole I (24246) and the second sleeve corresponding hole II (24247) are rectangular holes.
9. A switchgear cabinet as claimed in claim 1 or 3, characterized in that said outer operating lever (243) has a rectangular cross-sectional shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481632.3U CN218826912U (en) | 2022-12-22 | 2022-12-22 | Switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223481632.3U CN218826912U (en) | 2022-12-22 | 2022-12-22 | Switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218826912U true CN218826912U (en) | 2023-04-07 |
Family
ID=87277057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223481632.3U Active CN218826912U (en) | 2022-12-22 | 2022-12-22 | Switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218826912U (en) |
-
2022
- 2022-12-22 CN CN202223481632.3U patent/CN218826912U/en active Active
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