CN204011143U - Switch cabinet door interlocking mechanism - Google Patents
Switch cabinet door interlocking mechanism Download PDFInfo
- Publication number
- CN204011143U CN204011143U CN201420506973.8U CN201420506973U CN204011143U CN 204011143 U CN204011143 U CN 204011143U CN 201420506973 U CN201420506973 U CN 201420506973U CN 204011143 U CN204011143 U CN 204011143U
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- switch
- cabinet door
- axle sleeve
- lower cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000000903 blocking effect Effects 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
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- Lock And Its Accessories (AREA)
Abstract
The utility model discloses a kind of switch cabinet door interlocking mechanism, comprise the door lock piece (2), isolator operation device and the grounding switch operating device that are located on lower cabinet door (1), the blocking lever (10) that described switch cabinet door interlocking mechanism also comprises the lock bracket (7) that is located on lower cabinet door, be slidably fitted in the first connecting plate (8) on lower cabinet door (1) and the second connecting plate (9), be connected with vacuum load switch.Above-mentioned switch cabinet door interlocking mechanism simple in structure.
Description
Technical field
The utility model relates to switch cubicle technical field, is specifically a kind of switch cabinet door interlocking mechanism.
Background technology
In order to guarantee operating personnel's personal safety and the normal operation of cabinet, for the basic demand of switch cubicle be switch cubicle under inspecting state, earthed switch must ground connection, to guarantee maintainer's safety; And at switch cubicle during in running status, the Xiamen that does not allow to open switch cubicle, does not allow disconnecting switch operation and earthed switch.The interlocking device of prior art mostly adopts electromagnetic mechanical interlocking device or Purely mechanical interlocking device.Because the service time of switch cubicle is longer, so electromagnet type interlocking device complex structure and its inner coil and circuit be easy to ageing failure, thereby make the useful life of electromagnet type interlocking device shorter, and functional reliability is lower.And conventional Purely mechanical interlocking device structure more complicated, thereby make its useful life also shorter, functional reliability is also lower.Therefore, for these reasons, urgently need a kind of switch cabinet door interlocking mechanism simple in structure, to address the above problem.
Utility model content
The technical problems to be solved in the utility model is that a kind of switch cabinet door interlocking mechanism simple in structure is provided.
The technical solution of the utility model is, a kind of switch cabinet door interlocking mechanism is provided, comprise the door lock piece, isolator operation device and the grounding switch operating device that are located on lower cabinet door, described isolator operation device is fixed on by one the isolating switch axle sleeve that the isolating switch fixed mount and on lower cabinet door is rotatably assorted on isolating switch fixed mount and forms; Described grounding switch operating device is all fixed on by one the earthed switch axle sleeve that the earthed switch fixed mount and on lower cabinet door is rotatably assorted on earthed switch fixed mount and forms; One end of described door lock piece can with lower cabinet door on baffle plate offset; The blocking lever that described switch cabinet door interlocking mechanism also comprises the lock bracket that is located on lower cabinet door, be slidably fitted in the first connecting plate on lower cabinet door and the second connecting plate, be connected with vacuum load switch; One end of described the first connecting plate is slidably fitted in outside the outer end of isolating switch axle sleeve and the first connecting plate can cover the oral area of isolating switch axle sleeve, described isolation switch shaft puts and is also provided with first to piece, the first described connecting plate is provided with one and supports for first the first block that piece offsets, the other end of described the first connecting plate is provided with first collision block that can offset with blocking lever, and the first described collision block and lock bracket are provided with 1 the first connecting plate is pulled to the first extension spring of isolator operation device; One end of described the second connecting plate is slidably fitted in outside the outer end of earthed switch axle sleeve and the second connecting plate can cover the oral area of earthed switch axle sleeve, on described earthed switch axle sleeve, be also provided with second and support piece, the second described connecting plate is provided with one and supports for second the second block that piece offsets, the other end of described the second connecting plate is provided with second collision block that can offset with blocking lever, and the second described collision block and lock bracket are provided with 1 the second connecting plate is pulled to the second extension spring of grounding switch operating device; The glide direction of described the second collision block is contrary with the glide direction of blocking lever; The glide direction of described the first collision block is mutually vertical with the glide direction of blocking lever; The other end hinge of described door lock piece is in one end of connecting plate, and the other end of described connecting plate is hinged on locking bar, and the other end of described locking bar can offset to piece with second; Described locking bar is slidably fitted on lower cabinet door; The outside of described lower cabinet door is also provided with two operating grips that are respectively used to operate the first connecting plate and the second connecting plate.
Described blocking lever comprises a stock, a fixed block, an axle sleeve, a slide bar and a back-moving spring, and described stock and fixed block are affixed; Described fixed block and slide bar are fixed; Described axle sleeve is fixed in lock bracket; Described back-moving spring is socketed on slide bar, and the two ends of described back-moving spring offset with fixed block and axle sleeve respectively.
Adopt after above structure, the utility model compared with prior art, has the following advantages:
The utility model switch cabinet door interlocking mechanism is at switch cubicle during in running status, be that vacuum load switch and isolating switch close a floodgate, the depression bar of vacuum load switch is pressing blocking lever to press down like this, the first collision block and the second collision block cannot be slided, namely the first connecting plate and the second connecting plate cannot slide, at this moment the first connecting plate and the second connecting plate block respectively the entrance of isolating switch axle sleeve and earthed switch axle sleeve, thereby cannot disconnecting switch operation and earthed switch, simultaneously, because being supported piece by second, locking bar props up, locking bar cannot be free to slide, therefore lower cabinet door cannot be opened, after vacuum load switch separating brake, on vacuum load switch depression bar, move, no longer pressing blocking lever, blocking lever moves under the effect of back-moving spring, no longer block the first collision block and the second collision block, the first connecting plate is movable to be abdicated isolation switch shaft and is inserted in, and isolating switch can breaking-closing operating, but before isolating switch separating brake, the first collision block still blocks the second collision block, and the second connecting plate can not move, earthed switch axle sleeve entrance is still blocked, and earthed switch can not operate, only have after isolating switch separating brake, first supports piece no longer props up the first block, and the first connecting plate is shifted to isolator operation mouth under the first extension spring effect, and the first collision block no longer blocks the second collision block, the second connecting plate can be moved upward to abdicates earthed switch axle sleeve entrance, just can on/off switch earthed switch, when earthed switch closes a floodgate, second supports piece props up the second connecting plate, no longer props up locking bar, and locking bar can be freely movable, and lower cabinet door can be opened.Thereby guaranteed minute order of switch cubicle, first divided vacuum load switch, then divide isolating switch, then close earthed switch, finally opened lower cabinet door.When the inspecting state of switch cubicle, lower cabinet door is opened and earthed switch combined floodgate ground connection, at this moment second to piece, props up the second block, the second connecting plate can not be moved down, at this moment the second collision block blocks the first collision block, and the first connecting plate can not move, and isolating switch can not operate.Otherwise, only have when grounding switch tripping and vacuum load switch separating brake, just can close isolating switch.The structure of the utility model switch cabinet door interlocking mechanism is very simple, so its functional reliability is higher, and its useful life is also long simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation (on-load switch combined floodgate) of the utility model switch cabinet door interlocking mechanism.
Fig. 2 is the structural representation (on-load switch separating brake, isolating switch closes a floodgate, grounding switch tripping) of the utility model switch cabinet door interlocking mechanism.
Fig. 3 is the structural representation (earthed switch closes a floodgate for on-load switch separating brake, isolating switch separating brake) of the utility model switch cabinet door interlocking mechanism.
Fig. 4 is the structural representation (on-load switch separating brake, isolating switch separating brake, grounding switch tripping) of the utility model switch cabinet door interlocking mechanism.
Shown in figure 1, lower cabinet door, 1.1, baffle plate, 2, door lock piece, 3, isolating switch fixed mount, 4, isolating switch axle sleeve, 5, earthed switch fixed mount, 6, earthed switch axle sleeve, 7, lock bracket, 8, the first connecting plate, 9, the second connecting plate, 10, blocking lever, 11, first supports piece, 12, the first block, 13, the first collision block, 14, the first extension spring, 15, second supports piece, 16, the second block, 17, the second collision block, 18, the second extension spring, 19, locking bar, 20, connecting plate, 21, stock, 22, fixed block, 23, axle sleeve, 24, slide bar, 25, back-moving spring.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of switch cabinet door interlocking mechanism of the utility model, comprise the door lock piece 2, isolator operation device and the grounding switch operating device that are located on lower cabinet door 1, described isolator operation device is fixed on by one the isolating switch axle sleeve 4 that the isolating switch fixed mount 3 and on lower cabinet door 1 is rotatably assorted on isolating switch fixed mount 3 and forms; Described grounding switch operating device is all fixed on by one the earthed switch axle sleeve 6 that the earthed switch fixed mount 5 and on lower cabinet door 1 is rotatably assorted on earthed switch fixed mount 5 and forms; One end of described door lock piece 2 can with lower cabinet door 1 on baffle plate 1.1 offset; The blocking lever 10 that described switch cabinet door interlocking mechanism also comprises the lock bracket 7 that is located on lower cabinet door, be slidably fitted in the first connecting plate 8 on lower cabinet door 1 and the second connecting plate 9, be connected with vacuum load switch; One end of described the first connecting plate 8 is slidably fitted in outside the outer end of isolating switch axle sleeve 4 and the first connecting plate 8 can cover the oral area of isolating switch axle sleeve 4, the first connecting plate 8 is provided with one (this opening is not shown with the similar opening of isolating switch axle sleeve 4 internal orifices, on the second connecting plate 9, be in like manner also like this), by first connecting plate 8 that slides, can cover or not cover like this internal orifice of isolating switch axle sleeve 4; On described isolating switch axle sleeve 4, be also provided with first and support piece 11, the first described connecting plate 8 is provided with one and supports for first the first block 12 that piece 11 offsets, the other end of described the first connecting plate 8 is provided with first collision block 13 that can offset with blocking lever 10, and the first described collision block 13 and lock bracket 7 are provided with 1 the first connecting plate 8 is pulled to the first extension spring 14 of isolator operation device; One end of described the second connecting plate 9 is slidably fitted in outside the outer end of earthed switch axle sleeve 6 and the second connecting plate 9 can cover the oral area of earthed switch axle sleeve 6, on described earthed switch axle sleeve 6, be also provided with second and support piece 15, the second described connecting plate 9 is provided with one and supports for second the second block 16 that piece 15 offsets, the other end of described the second connecting plate 9 is provided with second collision block 17 that can offset with blocking lever 10, and the second described collision block 17 and lock bracket 7 are provided with 1 the second connecting plate 9 is pulled to the second extension spring 18 of grounding switch operating device; The glide direction of described the second collision block 17 is contrary with the glide direction of blocking lever 10; The glide direction of described the first collision block 13 is mutually vertical with the glide direction of blocking lever 10; The other end hinge of described door lock piece 2 is in one end of connecting plate 20, and the other end of described connecting plate 20 is hinged on locking bar 19, and the other end of described locking bar 19 can offset to piece 15 with second; Described locking bar 19 is slidably fitted on lower cabinet door 1; The outside of described lower cabinet door 1 is also provided with two operating grips that are respectively used to operate the first connecting plate 8 and the second connecting plate 9.
Described blocking lever 10 comprises a stock 21, a fixed block 22, an axle sleeve 23, a slide bar 24 and a back-moving spring 25, and described stock 21 is affixed with fixed block 22; Described fixed block 22 is fixing with slide bar 24; Described axle sleeve 23 is fixed in lock bracket 7; Described back-moving spring 25 is socketed on slide bar 24, and the two ends of described back-moving spring 25 offset with fixed block 22 and axle sleeve 23 respectively.
Below only with regard to most preferred embodiment of the present utility model, be described, but can not be interpreted as it is limitations on claims.The utility model is not limited only to above embodiment, and its concrete structure allows to change.In every case the various variations of doing in the protection range of the utility model independent claims are all in protection range of the present utility model.
Claims (2)
1. a switch cabinet door interlocking mechanism, comprise the door lock piece (2), isolator operation device and the grounding switch operating device that are located on lower cabinet door (1), described isolator operation device is fixed on by one the isolating switch axle sleeve (4) that the isolating switch fixed mount (3) and on lower cabinet door (1) is rotatably assorted on isolating switch fixed mount (3) and forms, described grounding switch operating device all has one to be fixed on earthed switch axle sleeve (6) composition that the earthed switch fixed mount (5) and on lower cabinet door (1) is rotatably assorted on earthed switch fixed mount (5), one end of described door lock piece (2) can with lower cabinet door (1) on baffle plate (1.1) offset, it is characterized in that: the blocking lever (10) that described switch cabinet door interlocking mechanism also comprises the lock bracket (7) that is located on lower cabinet door, be slidably fitted in the first connecting plate (8) on lower cabinet door (1) and the second connecting plate (9), be connected with vacuum load switch, one end of described the first connecting plate (8) is slidably fitted in outside the outer end of isolating switch axle sleeve (4) and the first connecting plate (8) can cover the oral area of isolating switch axle sleeve (4), on described isolating switch axle sleeve (4), be also provided with first and support piece (11), described the first connecting plate (8) is provided with one and supports for first the first block (12) that piece (11) offsets, the other end of described the first connecting plate (8) is provided with first collision block (13) that can offset with blocking lever (10), described the first collision block (13) and lock bracket (7) are provided with 1 the first connecting plate (8) are pulled to first extension spring (14) of isolator operation device, one end of described the second connecting plate (9) is slidably fitted in outside the outer end of earthed switch axle sleeve (6) and the second connecting plate (9) can cover the oral area of earthed switch axle sleeve (6), on described earthed switch axle sleeve (6), be also provided with second and support piece (15), described the second connecting plate (9) is provided with one and supports for second the second block (16) that piece (15) offsets, the other end of described the second connecting plate (9) is provided with second collision block (17) that can offset with blocking lever (10), described the second collision block (17) and lock bracket (7) are provided with 1 the second connecting plate (9) are pulled to second extension spring (18) of grounding switch operating device, the glide direction of described the second collision block (17) is contrary with the glide direction of blocking lever (10), the glide direction of described the first collision block (13) is mutually vertical with the glide direction of blocking lever (10), the other end hinge of described door lock piece (2) is in one end of connecting plate (20), and it is upper that the other end of described connecting plate (20) is hinged on locking bar (19), and the other end of described locking bar (19) can offset to piece (15) with second, described locking bar (19) is slidably fitted on lower cabinet door (1), the outside of described lower cabinet door (1) is also provided with two operating grips that are respectively used to operate the first connecting plate (8) and the second connecting plate (9).
2. switch cabinet door interlocking mechanism according to claim 1, it is characterized in that: described blocking lever (10) comprises a stock (21), a fixed block (22), an axle sleeve (23), a slide bar (24) and a back-moving spring (25), described stock (21) is affixed with fixed block (22); Described fixed block (22) is fixing with slide bar (24); Described axle sleeve (23) is fixed in lock bracket (7); It is upper that described back-moving spring (25) is socketed in slide bar (24), and the two ends of described back-moving spring (25) offset with fixed block (22) and axle sleeve (23) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506973.8U CN204011143U (en) | 2014-09-04 | 2014-09-04 | Switch cabinet door interlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420506973.8U CN204011143U (en) | 2014-09-04 | 2014-09-04 | Switch cabinet door interlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011143U true CN204011143U (en) | 2014-12-10 |
Family
ID=52051106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420506973.8U Expired - Fee Related CN204011143U (en) | 2014-09-04 | 2014-09-04 | Switch cabinet door interlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011143U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914062A (en) * | 2016-06-17 | 2016-08-31 | 江苏电科电气设备有限公司 | Ring main unit mechanical locking system |
| CN106654892A (en) * | 2017-03-21 | 2017-05-10 | 北京北方箱变电气有限公司 | Back door grounding switch interlocking device of medium voltage switchgear |
| CN107293426A (en) * | 2017-07-26 | 2017-10-24 | 安徽驰纬电气有限公司 | A kind of ring main unit cabinet door interlock |
| CN107895664A (en) * | 2018-01-10 | 2018-04-10 | 安徽金达防爆电气有限公司 | A kind of door opening electrical outage explosion-proof tank |
-
2014
- 2014-09-04 CN CN201420506973.8U patent/CN204011143U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105914062A (en) * | 2016-06-17 | 2016-08-31 | 江苏电科电气设备有限公司 | Ring main unit mechanical locking system |
| CN105914062B (en) * | 2016-06-17 | 2017-11-14 | 江苏电科电气设备有限公司 | Ring main unit mechanical closure system |
| CN106654892A (en) * | 2017-03-21 | 2017-05-10 | 北京北方箱变电气有限公司 | Back door grounding switch interlocking device of medium voltage switchgear |
| CN107293426A (en) * | 2017-07-26 | 2017-10-24 | 安徽驰纬电气有限公司 | A kind of ring main unit cabinet door interlock |
| CN107293426B (en) * | 2017-07-26 | 2019-03-08 | 安徽驰纬电气有限公司 | A kind of ring network cabinet cabinet door interlock |
| CN107895664A (en) * | 2018-01-10 | 2018-04-10 | 安徽金达防爆电气有限公司 | A kind of door opening electrical outage explosion-proof tank |
| CN107895664B (en) * | 2018-01-10 | 2019-06-28 | 安徽金达防爆电气有限公司 | A kind of door opening electrical outage explosion-proof tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 |