CN109637904B - Safety protection emergency opening and closing device with automatic closing function - Google Patents
Safety protection emergency opening and closing device with automatic closing function Download PDFInfo
- Publication number
- CN109637904B CN109637904B CN201910011372.7A CN201910011372A CN109637904B CN 109637904 B CN109637904 B CN 109637904B CN 201910011372 A CN201910011372 A CN 201910011372A CN 109637904 B CN109637904 B CN 109637904B
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- CN
- China
- Prior art keywords
- hole
- spring
- lead screw
- column
- cover plate
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/128—Manual release or trip mechanisms, e.g. for test purposes
Landscapes
- Patch Boards (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention aims to provide a safety protection emergency opening and closing device with an automatic closing function, when opening and closing are needed, a lead screw is inserted from an insertion hole, the lead screw pushes a cover plate right through a through hole so that the lead screw enters a box body to be opened and closed, at the moment, a spring is in an expanding state, after the lead screw is pulled out, the cover plate returns to an initial position to block the through hole due to the action of the spring, the automatic closing function is realized, an outer column and an outer hole are arranged, when closing is not needed, the outer hole is blocked by inserting the insertion column from the upper part of a longitudinal channel into the outer hole, the lead screw is prevented from being inserted randomly, the operation is convenient, and the working efficiency is improved.
Description
Technical Field
The invention relates to the field of emergency opening and closing of circuit breakers, in particular to a safety protection emergency opening and closing device with an automatic closing function.
Background
At present, urban rail transit systems in China all adopt direct current systems for power supply. Most direct current power supplies are provided by high-power silicon rectifying devices, and the requirements on direct current network protection components are higher due to low overload capacity of silicon rectifying device components. Important components in rail transit of the direct current special breaker of quick analysis. The breaker is placed in a box, when the opening and closing operation is needed, the box door needs to be opened for operation, or a hole is formed in the box door, a lead screw is inserted into the hole for operation, but when the opening and closing operation is not needed, the hole needs to be closed. Therefore, it is necessary to solve this problem.
Disclosure of Invention
In order to solve the problems, the invention provides a safety protection emergency opening and closing device with an automatic closing function, when opening and closing are needed, a lead screw is inserted from an insertion hole, the lead screw pushes a cover plate to the right through a through hole so that the lead screw enters a box body to be opened and closed, at the moment, a spring is in an expanding state, after the lead screw is pulled out, the cover plate returns to an initial position to block the through hole due to the action of the spring to realize the automatic closing function, an outer column and an outer hole are arranged, when closing is not needed, the cover plate is inserted into the outer hole from the upper part of a longitudinal channel through the insertion column to block the outer hole, the lead screw is prevented from being inserted randomly, the operation is convenient, the working efficiency is improved, and the.
The invention aims to provide a safety protection emergency opening and closing device with an automatic closing function, which comprises a box body of a circuit breaker, wherein an opening and closing switch is arranged in the box body, a box door is arranged on the front side of the box body, and an insertion hole of a transversely-through screw rod is formed in the middle of the box door; an inner column is arranged on the inner wall of the box door at the insertion hole, and a through hole which is transversely communicated with the insertion hole is formed in the inner column; the inner wall of the box door is positioned above the inner column and is provided with a front mounting rack and a rear mounting rack, a cross rod is hinged between the two mounting racks, a left mounting board and a right mounting board are fixedly sleeved in the middle of the cross rod, the two mounting boards are positioned between the two mounting racks, the lower parts of the front ends of the two mounting boards are jointly provided with a cover plate, and the cover plate covers the right end of a through hole of the inner; the left part of the cover plate is positioned above the inner column and is connected with a front spring and a rear spring, and the left end of the spring is fixed on the inner wall of the box door; the cover plate blocks the through hole under the normal state of the spring; insert the lead screw from the patchhole, thereby the lead screw passes through the through hole and pushes away the apron right side and enter into the box and carry out the divide-shut brake, and the spring is in the expanded state this moment, and after pulling out the lead screw, because the effect of spring, the apron is got back to initial position and is stopped up the through hole.
The further improvement lies in that: an outer column is arranged on the outer wall of the box door at the insertion hole, an outer hole which is transversely communicated with the insertion hole is formed in the outer column, and a lead screw is inserted into the outer hole and enters the box body through the insertion hole and the through hole.
The further improvement lies in that: the vertical channel which is through up and down is arranged above the outer hole in the outer column, the inserting column is inserted into the vertical channel, the inserting column is inserted into the outer hole from the upper part of the vertical channel to block the outer hole, and the lead screw is prevented from being inserted randomly.
The further improvement lies in that: the inner wall of the box door is provided with a fixed seat at the position of the spring, and the left end of the spring is fixed on the fixed seat.
The invention has the beneficial effects that: when the switch is required to be switched on and off, the lead screw is inserted from the insertion hole, the cover plate is pushed to the right through the through hole by the lead screw, so that the lead screw enters the box body to be switched on and off, the spring is in an expanded state at the moment, after the lead screw is pulled out, the cover plate returns to an initial position to block the through hole due to the action of the spring, the automatic closing function is realized, the outer column and the outer hole are arranged, when the switch is not required to be switched on, the outer hole is blocked by inserting the insertion column into the outer hole from the upper part of the longitudinal channel, the lead screw is prevented from being randomly inserted.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is a rear view at the inner post of the present invention.
Fig. 3 is a front view at the outer column of the present invention.
Wherein: the device comprises a box body 1, a switch-on-off switch 2, a box door 3, an insertion hole 4, an inner column 5, a through hole 6, a mounting frame 7, a cross rod 8, a mounting plate 9, a cover plate 10, a spring 11, an outer column 12, an outer hole 13, a longitudinal channel 14, an insertion column 15 and a fixed seat 16.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1-3, the embodiment provides a safety protection emergency opening and closing device with an automatic closing function, which includes a box body 1 of a circuit breaker, wherein an opening and closing switch 2 is arranged in the box body 1, a box door 3 is arranged on the front side of the box body 1, and an insertion hole 4 of a transversely-through screw rod is arranged in the middle of the box door 3; an inner column 5 is arranged on the inner wall of the box door 3 at the insertion hole 4, and a through hole 6 which is transversely communicated with the insertion hole 4 is formed in the inner column 5; the inner wall of the box door 3 is provided with a front mounting rack 7 and a rear mounting rack 7 above the inner column 5, a cross rod 8 is hinged between the two mounting racks 7, a left mounting board 9 and a right mounting board 9 are fixedly sleeved in the middle of the cross rod 8, the two mounting boards 9 are positioned between the two mounting racks 7, the lower parts of the front ends of the two mounting boards 9 are provided with a cover plate 10 together, and the cover plate 10 covers the right end of the through hole 6 of the inner column; the left part of the cover plate 10 is positioned above the inner column 5 and is connected with a front spring 11 and a rear spring 11, and the left end of the spring 11 is fixed on the inner wall of the box door 3; under the normal state of the spring, the cover plate 10 blocks the through hole 6; the lead screw is inserted from the insertion hole 4, the cover plate 10 is pushed to the right through the through hole 6 by the lead screw, the lead screw enters the box body 1 to be switched on and off, the spring is in an expanded state at the moment, and after the lead screw is pulled out, the cover plate 10 returns to an initial position to block the through hole 6 due to the action of the spring. An outer column 12 is arranged on the outer wall of the box door 3 at the insertion hole 4, an outer hole 13 which is transversely communicated with the insertion hole 4 is arranged in the outer column 12, and a screw rod is inserted into the outer hole 13 and enters the box body 1 through the insertion hole 4 and the through hole 6. A vertical channel 14 which is through up and down is arranged above the outer hole 13 in the outer column 12, an inserting column 15 is inserted into the vertical channel 14, the inserting column 15 is inserted into the outer hole 13 from the upper part of the vertical channel 14 to block the outer hole 13, and a lead screw is prevented from being inserted randomly. The inner wall of the box door 3 is provided with a fixed seat 16 at the position of the spring 11, and the left end of the spring 11 is fixed on the fixed seat 16.
When needs carry out the divide-shut brake, insert the lead screw from patchhole 4, thereby the lead screw pushes away the apron right through clearing hole 6 and enters into box 1 and carry out the divide-shut brake, spring 11 is in the state of expanding this moment, after extracting the lead screw, because spring 11's effect, apron 10 gets back to initial position and plugs up clearing hole 6, realize the self-closing function, and set up outer post 12 and outer hole 13, when need not close a floodgate, insert outer hole 13 in inserting outer hole 13 through inserting post 15 from vertical 14 upper portions of saying, convenient operation, the lead screw is avoided inserting at will, and the operation efficiency is improved.
Claims (4)
1. The utility model provides a take emergency divide-shut brake device of safety protection of self-closing function, is provided with divide-shut brake switch (2), its characterized in that including box (1) of circuit breaker in box (1): a box door (3) is arranged on the front side of the box body (1), and an insertion hole (4) of a transversely-through screw rod is formed in the middle of the box door (3); an inner column (5) is arranged on the inner wall of the box door (3) at the insertion hole (4), and a through hole (6) which is transversely communicated with the insertion hole (4) is formed in the inner column (5); the inner wall of the box door (3) is provided with a front mounting rack (7) and a rear mounting rack (7) above the inner column (5), a cross rod (8) is hinged between the two mounting racks (7), a left mounting plate and a right mounting plate (9) are fixedly sleeved in the middle of the cross rod (8), the two mounting plates (9) are positioned in the middle of the two mounting racks (7), the lower parts of the front ends of the two mounting plates (9) are jointly provided with a cover plate (10), and the cover plate (10) covers the right end of the through hole (6) of the inner; the left part of the cover plate (10) is positioned above the inner column (5) and is connected with a front spring (11) and a rear spring (11), and the left end of the spring (11) is fixed on the inner wall of the box door (3); under the normal state of the spring, the cover plate (10) blocks the through hole (6); and a lead screw is inserted from the insertion hole (4), the cover plate (10) is pushed to the right through the through hole (6) by the lead screw, so that the lead screw enters the box body (1) to be switched on and off, the spring is in an expanded state at the moment, and after the lead screw is pulled out, the cover plate (10) returns to an initial position to block the through hole (6) due to the action of the spring.
2. The safety protection emergency opening and closing device with automatic closing function according to claim 1, characterized in that: an outer column (12) is arranged on the outer wall of the box door (3) and positioned at the insertion hole (4), an outer hole (13) which is transversely communicated with the insertion hole (4) is formed in the outer column (12), and a lead screw is inserted into the outer hole (13) and enters the box body (1) through the insertion hole (4) and the through hole (6).
3. The safety protection emergency opening and closing device with automatic closing function according to claim 2, characterized in that: the screw rod inserting device is characterized in that a vertical channel (14) which is through up and down is arranged above the outer hole (13) in the outer column (12), an inserting column (15) is inserted into the vertical channel (14), the inserting column (15) is inserted into the outer hole (13) from the upper part of the vertical channel (14) to block the outer hole (13), and the screw rod is prevented from being inserted randomly.
4. The safety protection emergency opening and closing device with automatic closing function according to claim 1, characterized in that: a fixed seat (16) is arranged on the inner wall of the box door (3) and is positioned at the spring (11), and the left end of the spring (11) is fixed on the fixed seat (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011372.7A CN109637904B (en) | 2019-01-07 | 2019-01-07 | Safety protection emergency opening and closing device with automatic closing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011372.7A CN109637904B (en) | 2019-01-07 | 2019-01-07 | Safety protection emergency opening and closing device with automatic closing function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109637904A CN109637904A (en) | 2019-04-16 |
| CN109637904B true CN109637904B (en) | 2019-12-10 |
Family
ID=66058010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910011372.7A Active CN109637904B (en) | 2019-01-07 | 2019-01-07 | Safety protection emergency opening and closing device with automatic closing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109637904B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005013446U1 (en) * | 2005-08-19 | 2005-11-03 | Siemens Ag | Rear-side insulating cover plate for safety circuit-breaker, has plate body with hooks for fixing plate to bus bar, where hooks are guidable through respective window in body, which is fastened to rear-side of circuit-breaker |
| CN201927899U (en) * | 2010-12-15 | 2011-08-10 | 扬州北辰电气设备有限公司 | Switch on/off device for circuit breaker of high-voltage switch cabinet |
| CN202111020U (en) * | 2011-06-24 | 2012-01-11 | 林孟东 | Manual mode and automatic mode integrated switching-on/switching-off mechanism of circuit breaker |
| CN207116277U (en) * | 2017-07-26 | 2018-03-16 | 国网浙江省电力公司丽水供电公司 | Breaker option principle device |
-
2019
- 2019-01-07 CN CN201910011372.7A patent/CN109637904B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109637904A (en) | 2019-04-16 |
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Effective date of registration: 20201204 Address after: 241000 Anhui province Wuhu City Jiuhua Road No. 118 Patentee after: ANHUI XINLONG ELECTRICAL Co.,Ltd. Address before: 241000 Electrical Parts Park, Wuhu Economic and Technological Development Zone, Anhui Province (No. 118, Jiuhu Road) Patentee before: ANHUI SINONET & XINLONG SCIENCE & TECHNOLOGY Co.,Ltd. |