CN214850056U - Interlocking structure for switch cabinet - Google Patents

Interlocking structure for switch cabinet Download PDF

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Publication number
CN214850056U
CN214850056U CN202120617351.2U CN202120617351U CN214850056U CN 214850056 U CN214850056 U CN 214850056U CN 202120617351 U CN202120617351 U CN 202120617351U CN 214850056 U CN214850056 U CN 214850056U
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CN
China
Prior art keywords
interlocking
limiting assembly
cabinet door
plate
lower cabinet
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Active
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CN202120617351.2U
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Chinese (zh)
Inventor
张丽强
林晓裕
吴小伟
李宝
谢晓东
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South Chinaelectric Development Ltd
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South Chinaelectric Development Ltd
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Priority to CN202120617351.2U priority Critical patent/CN214850056U/en
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Abstract

The utility model discloses an interlocking structure for a switch cabinet, which comprises a sealing door and a clapboard arranged on a cabinet body, a three-station mechanism and a breaker mechanism which are fixed on the sealing door from top to bottom, a lower cabinet door movably matched below the clapboard, and a first/second limiting component; the three-station mechanism is provided with an interlocking shaft, an interlocking baffle plate and an interlocking pressing plate; the circuit breaker mechanism is provided with a rotating plate, a closing button, an opening button, an interlocking sliding plate and a closing baffle; the first limiting assembly and the second limiting assembly are arranged on the partition plate and are positioned on two sides of the upper end of the lower cabinet door, the first limiting assembly is positioned below the interlocking sliding plate, and the second limiting assembly is arranged below the rotating plate; when the lower cabinet door is opened, the first limiting assembly is synchronously driven to be matched with the opening button, so that the breaker mechanism cannot be opened; when the expansion end of rotor plate rotated downwards, pushed down the spacing subassembly of second and made lower cabinet door can not open. The utility model discloses can simplify the structure, reduce the space and occupy, improve the accuracy of interlocking simultaneously.

Description

Interlocking structure for switch cabinet
Technical Field
The utility model relates to the technical field of electrical equipment, especially indicate an interlocking structure for cubical switchboard.
Background
In the operation process of cubical switchboard, in order to guarantee staff's personal safety, except that the electric interlocking, still need be between mechanism and the cabinet body design reliable mechanical interlocking, just can open lower cabinet door when the switch is in safe position, the staff just can carry out the inspection or the operation of relevant project to the cable chamber inside.
Three-position switching mechanisms and circuit breaker switching mechanisms are typically operated manually or electrically. In the five-prevention requirement of the switch cabinet, in order to prevent workers from entering the electrified interval by mistake, the switch cabinet is internally provided with the grounding switch, when the workers or the maintainers need to check and maintain the equipment or the line to be maintained, the grounding protection is carried out on the switch, and at the moment, the mechanism and the cabinet body need to be interlocked except for the interlocking which needs to prevent misoperation between the mechanisms.
In the prior art, the design of parts of an interlocking mechanism has limitations, the interlocking device mostly adopts flexible connection interlocking and occupies more space of the mechanism, the structure is complex, the accuracy of interlocking can be influenced, the secondary circuit is easily interfered, and the reliability is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an interlocking structure for cubical switchboard can simplify the structure, reduces the space and occupies, improves the accuracy of interlocking simultaneously.
In order to achieve the above purpose, the solution of the present invention is:
an interlocking structure for a switch cabinet comprises a sealing door and a partition plate which are arranged on a cabinet body of the switch cabinet, a three-station mechanism and a breaker mechanism which are sequentially fixed on the sealing door from top to bottom, a lower cabinet door movably matched below the partition plate, a first limiting assembly and a second limiting assembly; the three-station mechanism is provided with an interlocking shaft, an interlocking baffle plate and an interlocking pressing plate; the interlocking shaft is vertically arranged and synchronously ascends and descends corresponding to the state of the three-station mechanism, the interlocking shaft ascends when the three-station mechanism is in the in-place state, and the interlocking shaft descends when the three-station mechanism is not in the in-place state; the interlocking baffle and the interlocking pressing plate are connected to the interlocking shaft, and the interlocking pressing plate is positioned at the lower end part of the interlocking shaft; the circuit breaker mechanism is provided with a rotating plate, a closing button, an opening button, an interlocking sliding plate and a closing baffle; the rotating plate is pivoted on the side wall of the circuit breaker mechanism and is positioned below the interlocking pressing plate, the rotating plate synchronously rotates corresponding to the state of the circuit breaker mechanism, the movable end of the rotating plate rotates downwards when the circuit breaker mechanism is in an opening state, and the movable end of the rotating plate rotates upwards when the circuit breaker mechanism is in a closing state; the interlocking sliding plate is matched on the circuit breaker mechanism in a vertically sliding manner and is arranged opposite to the opening button; the closing baffle is arranged on the side wall of the circuit breaker mechanism and is positioned below the interlocking baffle; the first limiting assembly and the second limiting assembly are arranged on the partition plate and are positioned on two sides of the upper end of the lower cabinet door, the first limiting assembly is positioned below the interlocking sliding plate, and the second limiting assembly is arranged below the rotating plate; when the lower cabinet door is opened, the first limiting assembly is synchronously driven to be matched with the opening button, so that the circuit breaker mechanism cannot be opened; when the movable end of the rotating plate rotates downwards, the second limiting assembly is pressed downwards, so that the lower cabinet door cannot be opened.
The interlocking structure for the switch cabinet further comprises a guide support arranged on the partition plate, the lower end part of the interlocking shaft movably penetrates through the guide support, and the guide support is used for guiding and positioning the lifting direction of the lower end part of the interlocking shaft.
The first limiting assembly comprises a pull rod pin, a first return spring and a guide block, the guide block is arranged between the partition plate and the lower cabinet door and is connected with the pull rod pin, the pull rod pin upwards penetrates through the partition plate and is arranged below the interlocking sliding plate, and the first return spring is arranged on the upper surface of the partition plate and is used for driving the pull rod pin to rise; the upper end of the lower cabinet door is provided with a notch groove, when the lower cabinet door is in a closed state, the guide block is clamped into the notch groove and drives the pull rod pin to descend, when the lower cabinet door is in an open state, the guide block is separated from the notch groove, and the first return spring enables the pull rod pin to rise and jack up the interlocking sliding plate.
The guide block is provided with a guide inclined plane.
The first limiting assembly further comprises a first interlocking guide sleeve used for installing the first return spring and a first retaining ring surrounding the periphery of the pull rod pin, and the first retaining ring is used for limiting the pull rod pin so as to prevent the pull rod pin from being popped out and separated from the first limiting assembly when the first return spring is reset.
The second limiting assembly comprises a top pin and a second return spring, the top pin penetrates through the partition plate and is located below the movable end of the rotating plate, and the second return spring is arranged on the upper surface of the partition plate and used for driving the top pin to rise; when the movable end of the rotating plate rotates downwards, the ejector pin is pressed towards the lower cabinet door, and the lower cabinet door cannot be opened; when the movable end of the rotating plate rotates upwards, the second return spring enables the ejector pin to rise, and the cabinet door can be opened.
The second limiting assembly further comprises a second interlocking guide sleeve used for installing the second return spring and a second retaining ring surrounding the periphery of the ejector pin, and the second retaining ring is used for limiting the ejector pin so as to prevent the ejector pin from being popped out and separated from the second limiting assembly when the second return spring is reset.
After the technical scheme is adopted, the utility model discloses improved the space design and the overall arrangement of interlocking structure spare part, through interlocking clamp plate, rotor plate and second spacing subassembly, combined floodgate baffle and interlocking baffle, interlocking slide and the linkage and the spacing relation of three group mechanism of first spacing subassembly, make have and only in that three station mechanism are in the state of in place, circuit breaker mechanism is in combined floodgate state, lower cabinet door can be opened, and after lower cabinet door is opened, first spacing subassembly makes interlocking slide rise and withstands separating brake button, circuit breaker mechanism can not separate the floodgate, thereby ensured staff's personal safety; the whole structure is simple and the design is compact.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a perspective view of a spacer portion according to an embodiment of the present invention;
FIG. 3 is a front view of a spacer portion according to an embodiment of the present invention;
fig. 4 is a schematic top structure view of a lower cabinet door according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the three-station in-place state and the open state of the circuit breaker in the embodiment of the present invention;
fig. 6 is a schematic structural diagram of the three stations not in place and the breaker in the open state in the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a three-station in-place state and a closing state of the circuit breaker in the embodiment of the present invention;
fig. 8 is a schematic structural view of an opened state of a lower cabinet door in an embodiment of the present invention;
the reference numbers illustrate:
1, sealing a door; 2, a partition board; 3, a three-station mechanism;
31 interlocking shafts; 32 interlocking baffles; 33 interlocking press plates;
4 a circuit breaker mechanism; 41 rotating the plate; 42 a switch-on button;
43 an opening button; 44 interlocking slide plates; 45, closing a gate;
5, lower cabinet door; 51 a notch groove; 6, a first limiting component;
61 pull rod pins; 62 a first return spring; 63 a guide block;
631 a guide ramp; 64 a first interlocking guide sleeve; 65 a first retainer ring;
7 a second limiting component; 71 a knock pin; 72 a second return spring;
73 a first interlocking guide sleeve; 74 a first retainer ring; 8 guiding the bracket.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
The utility model relates to an interlocking structure for cubical switchboard, including setting up in the sealing door 1 and the baffle 2 of the cubical switchboard cabinet body, being three station mechanism 3 and circuit breaker mechanism 4, the lower cabinet door 5 of movable fit in the baffle 2 below of fixing in proper order from top to bottom on the sealing door 1 to and the spacing subassembly 7 of first spacing subassembly 6 and second.
The three-station mechanism 3 is provided with an interlocking shaft 31, an interlocking baffle 32 and an interlocking pressing plate 33; the interlocking shaft 31 is vertically arranged and synchronously ascends and descends corresponding to the state of the three-station mechanism 3, the interlocking shaft 31 ascends when the three-station mechanism 3 is in the in-place state, and the interlocking shaft 31 descends when the three-station mechanism 3 is not in the in-place state; the interlocking baffle 32 and the interlocking pressing plate 33 are both connected to the interlocking shaft 31, and the interlocking pressing plate 33 is positioned at the lower end part of the interlocking shaft 31;
the circuit breaker mechanism 4 is provided with a rotating plate 41, a closing button 42, an opening button 43, an interlocking slide plate 44 and a closing baffle 45; the rotating plate 41 is pivoted on the side wall of the circuit breaker mechanism 4 and is positioned below the interlocking pressing plate 33, the rotating plate 41 synchronously rotates corresponding to the state of the circuit breaker mechanism 4, the movable end of the rotating plate 41 rotates downwards when the circuit breaker mechanism 4 is in an opening state, and the movable end of the rotating plate 41 rotates upwards when the circuit breaker mechanism 4 is in a closing state; the interlocking slide plate 44 is matched on the breaker mechanism 4 in a vertically sliding way and is arranged opposite to the opening button 43; the closing baffle 45 is arranged on the side wall of the circuit breaker mechanism 4 and is positioned below the interlocking baffle 32;
the first limiting assembly 6 and the second limiting assembly 7 are both arranged on the partition board 2 and are positioned on two sides of the upper end of the lower cabinet door 5, the first limiting assembly 6 is positioned below the interlocking sliding plate 44, and the second limiting assembly 7 is arranged below the rotating plate 41; when the lower cabinet door 5 is opened, the first limiting assembly 6 is synchronously driven to be matched with the opening button 43, so that the circuit breaker mechanism 4 cannot be opened; when the movable end of the rotating plate 41 rotates downwards, the second limiting assembly 7 is pressed downwards, so that the lower cabinet door 5 cannot be opened.
Referring to fig. 1 and 4, a specific embodiment of the present invention is shown.
The utility model discloses still including setting up guide bracket 8 on baffle 2, guide bracket 8 is worn to locate in the lower tip activity of interlocking axle 31, and guide bracket 8 is used for the direction, fixes a position the direction of rise of tip under interlocking axle 31 to guarantee the functional stability of interlocking axle 31 in the structure.
The first limiting assembly 6 comprises a pull rod pin 61, a first return spring 62 and a guide block 63, the guide block 63 is arranged between the partition plate 2 and the lower cabinet door 5 and connected with the pull rod pin 61, the pull rod pin 61 penetrates the partition plate 2 upwards and is arranged below the interlocking slide plate 44, and the first return spring 62 is arranged on the upper surface of the partition plate 2 and is used for driving the pull rod pin 61 to rise; the upper end of the lower cabinet door 5 is provided with a notch 51, the guide block 63 is inserted into the notch 51 and drives the pull rod pin 61 to descend when the lower cabinet door 5 is in the closed state, the guide block 63 is separated from the notch 51 when the lower cabinet door 5 is in the open state, and the first return spring 62 enables the pull rod pin 61 to ascend and jack up the interlocking slide plate 44. In this embodiment, the guiding block 63 is provided with a guiding inclined plane 631, so that the guiding block 63 can be quickly separated from or clamped into the notch groove 51 when the lower cabinet door 5 is opened or closed; the first position limiting assembly 6 further comprises a first interlocking guide sleeve 64 for mounting the first return spring 62, and a first retainer ring 65 surrounding the outer periphery of the pull rod pin 61, wherein the first retainer ring 65 is used for limiting the pull rod pin 61 so as to prevent the pull rod pin 61 from being ejected out of the first position limiting assembly 6 when the first return spring 62 is reset.
The second limiting assembly 7 comprises a top pin 71 and a second return spring 72, wherein the top pin 71 penetrates through the partition board 2 and is located below the movable end of the rotating plate 41, and the second return spring 72 is arranged on the upper surface of the partition board 2 and is used for driving the top pin 71 to rise; when the movable end of the rotating plate 41 rotates downwards, the top pin 71 is pressed towards the lower cabinet door 5, and the lower cabinet door 5 cannot be opened; when the movable end of the rotating plate 41 rotates upward, the second return spring 72 causes the top pin 71 to rise, and the cabinet door can be opened. In this embodiment, the second limiting assembly 7 further comprises a second interlocking guide sleeve 73 for mounting the second return spring 72, and a second retainer ring 74 surrounding the outer periphery of the knock pin 71, wherein the second retainer ring 74 is used for limiting the knock pin 71 to prevent the knock pin 71 from being ejected out of the second limiting assembly 7 when the second return spring 72 is reset.
The interlocking shaft 31, the interlocking baffle 32, the interlocking pressing plate 33, the rotating plate 41, the interlocking sliding plate 44 and the closing baffle 45 can be designed into different shapes according to actual requirements; the pull rod pin 61, the knock pin 71, the first interlocking guide sleeve 64 and the second interlocking guide sleeve 73 can be changed in specific installation positions according to space.
The utility model discloses a theory of operation does:
as shown in fig. 5, the three-position mechanism 3 is in the in-position state, the interlocking shaft 31 moves upward, and the interlocking shutter 32 and the interlocking pressing plate 33 move upward; the circuit breaker mechanism 4 is in a switching-off state, the rotating plate 41 presses the top pin 7 to press the lower cabinet door 5, and at the moment, the lower cabinet door 5 cannot be opened.
As shown in fig. 6, the three-position mechanism 3 is not in a proper position in the operation process, the interlocking shaft 31 moves downwards, the interlocking baffle 32 and the interlocking pressing plate 33 move downwards, the interlocking baffle 32 blocks the closing baffle 45, the closing button 42 cannot be pressed at this time, and the circuit breaker mechanism 4 cannot be closed; the circuit breaker mechanism 4 is in a switching-off state, the rotating plate 41 presses the top pin 7 to press the lower cabinet door 5, and at the moment, the lower cabinet door 5 cannot be opened.
As shown in fig. 7, the three-position mechanism 3 is in the in-position state, the interlocking shaft 31 moves upward, and the interlocking shutter 32 and the interlocking pressing plate 33 move upward; after the energy storage of the breaker mechanism 4 is finished, a closing button 42 is pressed, the breaker mechanism 4 is closed, at the moment, the rotating plate 41 rotates upwards to be separated from the ejector pin 7, and the ejector pin 7 is bounced up by the second return spring 72 and is not pressed against the lower cabinet door 5 any more; meanwhile, the rotating plate 41 is abutted against the interlocking pressing plate 33, so that the interlocking shaft 31 is limited, the three-position mechanism 3 cannot be operated, and the lower cabinet door 5 can be opened.
As shown in fig. 8, when the lower cabinet door 5 is opened, the guide block 63 is separated from the lower cabinet door 5, and the pull rod pin 61 is sprung upward by the first return spring 62 to drive the interlock slide 44 to slide upward, so as to block the opening button 43 and make it unable to be pressed, and the circuit breaker mechanism 4 cannot open.
Through the scheme, the utility model discloses improved the space design and the overall arrangement of interlocking structure spare part, through interlocking clamp plate 33, rotor plate 41 and second spacing subassembly 7, closing baffle 45 and interlocking baffle 32, interlocking slide 44 and the linkage and the spacing relation of the three group mechanism of first spacing subassembly 6, make have and only be in the state of targetting in place at three station mechanism 3, circuit breaker mechanism 4 is in the state of closing a floodgate, lower cabinet door 5 can only be opened, and after lower cabinet door 5 was opened, first spacing subassembly 6 made interlocking slide 44 rise and withstood separating brake button 43, circuit breaker mechanism 4 can not separate the floodgate, thereby ensured staff's personal safety; the whole structure is simple and the design is compact.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims (7)

1. The utility model provides an interlocking structure for cubical switchboard which characterized in that:
the three-station mechanism and the breaker mechanism are sequentially fixed on the sealing door from top to bottom, the lower cabinet door is movably matched below the partition plate, and the first limiting assembly and the second limiting assembly are arranged on the lower cabinet door;
the three-station mechanism is provided with an interlocking shaft, an interlocking baffle plate and an interlocking pressing plate; the interlocking shaft is vertically arranged and synchronously ascends and descends corresponding to the state of the three-station mechanism, the interlocking shaft ascends when the three-station mechanism is in the in-place state, and the interlocking shaft descends when the three-station mechanism is not in the in-place state; the interlocking baffle and the interlocking pressing plate are connected to the interlocking shaft, and the interlocking pressing plate is positioned at the lower end part of the interlocking shaft;
the circuit breaker mechanism is provided with a rotating plate, a closing button, an opening button, an interlocking sliding plate and a closing baffle; the rotating plate is pivoted on the side wall of the circuit breaker mechanism and is positioned below the interlocking pressing plate, the rotating plate synchronously rotates corresponding to the state of the circuit breaker mechanism, the movable end of the rotating plate rotates downwards when the circuit breaker mechanism is in an opening state, and the movable end of the rotating plate rotates upwards when the circuit breaker mechanism is in a closing state; the interlocking sliding plate is matched on the circuit breaker mechanism in a vertically sliding manner and is arranged opposite to the opening button; the closing baffle is arranged on the side wall of the circuit breaker mechanism and is positioned below the interlocking baffle;
the first limiting assembly and the second limiting assembly are arranged on the partition plate and are positioned on two sides of the upper end of the lower cabinet door, the first limiting assembly is positioned below the interlocking sliding plate, and the second limiting assembly is arranged below the rotating plate; when the lower cabinet door is opened, the first limiting assembly is synchronously driven to be matched with the opening button, so that the circuit breaker mechanism cannot be opened; when the movable end of the rotating plate rotates downwards, the second limiting assembly is pressed downwards, so that the lower cabinet door cannot be opened.
2. The interlocking structure for a switch cabinet according to claim 1, wherein:
the interlocking device is characterized by further comprising a guide support arranged on the partition plate, the lower end part of the interlocking shaft movably penetrates through the guide support, and the guide support is used for guiding and positioning the lifting direction of the lower end part of the interlocking shaft.
3. The interlocking structure for a switch cabinet according to claim 1, wherein:
the first limiting assembly comprises a pull rod pin, a first return spring and a guide block, the guide block is arranged between the partition plate and the lower cabinet door and is connected with the pull rod pin, the pull rod pin upwards penetrates through the partition plate and is arranged below the interlocking sliding plate, and the first return spring is arranged on the upper surface of the partition plate and is used for driving the pull rod pin to rise; the upper end of the lower cabinet door is provided with a notch groove, when the lower cabinet door is in a closed state, the guide block is clamped into the notch groove and drives the pull rod pin to descend, when the lower cabinet door is in an open state, the guide block is separated from the notch groove, and the first return spring enables the pull rod pin to rise and jack up the interlocking sliding plate.
4. The interlocking structure for a switch cabinet according to claim 3, wherein:
the guide block is provided with a guide inclined plane.
5. The interlocking structure for a switch cabinet according to claim 3, wherein:
the first limiting assembly further comprises a first interlocking guide sleeve used for installing the first return spring and a first retaining ring surrounding the periphery of the pull rod pin, and the first retaining ring is used for limiting the pull rod pin so as to prevent the pull rod pin from being popped out and separated from the first limiting assembly when the first return spring is reset.
6. The interlocking structure for a switch cabinet according to claim 1, wherein:
the second limiting assembly comprises a top pin and a second return spring, the top pin penetrates through the partition plate and is located below the movable end of the rotating plate, and the second return spring is arranged on the upper surface of the partition plate and used for driving the top pin to rise; when the movable end of the rotating plate rotates downwards, the ejector pin is pressed towards the lower cabinet door, and the lower cabinet door cannot be opened; when the movable end of the rotating plate rotates upwards, the second return spring enables the ejector pin to rise, and the cabinet door can be opened.
7. The interlocking structure for a switch cabinet according to claim 6, wherein:
the second limiting assembly further comprises a second interlocking guide sleeve used for installing the second return spring and a second retaining ring surrounding the periphery of the ejector pin, and the second retaining ring is used for limiting the ejector pin so as to prevent the ejector pin from being popped out and separated from the second limiting assembly when the second return spring is reset.
CN202120617351.2U 2021-03-26 2021-03-26 Interlocking structure for switch cabinet Active CN214850056U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120617351.2U CN214850056U (en) 2021-03-26 2021-03-26 Interlocking structure for switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120617351.2U CN214850056U (en) 2021-03-26 2021-03-26 Interlocking structure for switch cabinet

Publications (1)

Publication Number Publication Date
CN214850056U true CN214850056U (en) 2021-11-23

Family

ID=78760058

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120617351.2U Active CN214850056U (en) 2021-03-26 2021-03-26 Interlocking structure for switch cabinet

Country Status (1)

Country Link
CN (1) CN214850056U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117239568A (en) * 2023-11-08 2023-12-15 江苏江海自动化集团有限公司 Switch board subassembly with interlocking structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117239568A (en) * 2023-11-08 2023-12-15 江苏江海自动化集团有限公司 Switch board subassembly with interlocking structure
CN117239568B (en) * 2023-11-08 2024-02-06 江苏江海自动化集团有限公司 Switch board subassembly with interlocking structure

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