CN102227056A - Drawer interlocking mechanism of low-voltage load switch box - Google Patents
Drawer interlocking mechanism of low-voltage load switch box Download PDFInfo
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- CN102227056A CN102227056A CN2011100948706A CN201110094870A CN102227056A CN 102227056 A CN102227056 A CN 102227056A CN 2011100948706 A CN2011100948706 A CN 2011100948706A CN 201110094870 A CN201110094870 A CN 201110094870A CN 102227056 A CN102227056 A CN 102227056A
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- drawer
- push rod
- locking plate
- load switch
- low
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Abstract
The invention provides a drawer interlocking mechanism of a low-voltage load switch box, comprising a left push rod, a right push rod and a locking plate between the left push rod and the right push rod in a drawer on the low-voltage load switch box, wherein one end of the locking plate is movably connected with an installation part which is fixed on the upper surface of a drawer bottom plate, and the other end of the locking plate corresponds to a though hole on the drawer bottom plate; the drawer bottom plate is provided with a reset part connected with the locking plate; the reset part comprises a connecting piece and a tension spring; the connecting piece is fixed on the lower surface of the drawer bottom plate; and one end of the tension spring is arranged on the connecting piece and the other end of the tension spring is connected with the locking plate. The drawer interlocking mechanism is convenient to operate and reliable in structure, can protect operators effectively, and meets requirements in safety specifications.
Description
Technical field
The present invention relates to a kind of low-voltage load switch-box, specifically a kind of drawer interlocking mechanism of low-voltage load switch-box.
Background technology
The low-voltage load switch-box is a kind of load control unit of working on the low voltage electric network circuit.Under the present distribution technique condition, can not safety under the charged situation of power network line operate otherwise brings danger to operating personnel easily, when serious even jeopardize life.Therefore, in switch-box, be provided with corresponding interlocking device usually, the power supply in the switch-box is disconnected or connection, carry out the work of line upkeep, maintenance again to realize outage earlier.Be provided with interlocking device in the part switch-box at present, but troublesome poeration, the mechanism design complexity, volume is bigger, the assembling difficulty.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of drawer interlocking mechanism of easy to operate, safe and reliable low-voltage load switch-box.
In order to solve the problems of the technologies described above, the present invention takes following technical scheme:
A kind of drawer interlocking mechanism of low-voltage load switch-box, comprise left push rod, the right push rod in the drawer that is arranged on the low-voltage load switch-box and be positioned at left push rod and right push rod between locking plate, locking plate one end and the installed part activity attaching, the other end that are fixed in the drawer-bottom board upper surface and the through hole of offering on drawer-bottom board are corresponding.
Also be provided with the return unit that is connected with locking plate on the described drawer-bottom board, this return unit comprises connector and extension spring, and connector fixedly is loaded on the drawer-bottom board lower surface, and extension spring one end is loaded on the connector, the other end is connected with locking plate one end.
Described installed part bottom is installed with rotating shaft, and an end movable set of the locking plate that is connected with extension spring is in this rotating shaft.
The fixed-site of corresponding left push rod is equiped with alignment pin No. one on the described locking plate.
Described installed part upper end fixedly is equiped with No. two alignment pins that are used to limit the locking plate stroke.
The left plate that described left push rod penetrates drawer extends in the drawer, and the end fixed cover that left push rod exposes outside the drawer left plate is equipped with left washer, also is set with the left stage clip that is positioned between this left side washer and drawer left plate on the left push rod; The right plate that right push rod penetrates drawer extends in the drawer, and the end fixed cover that right push rod exposes outside the drawer right plate is equipped with right washer, also is set with the right stage clip that is positioned between this right side washer and drawer right plate on the right push rod.
Also be fixed with left pusher bar support and right pusher bar support on the upper surface of described drawer-bottom board, left push rod passes drawer left plate and left pusher bar support successively, and right push rod passes drawer right plate and right pusher bar support successively.
Reliable in structure of the present invention, easy to operate, a need promotes left push rod and right push rod can be realized having a power failure and sending electric work, and is safe and reliable, effectively protects staff's personal safety, reaches safety standard requirements.
Description of drawings
Accompanying drawing 1 is the present invention and perspective view after the drawer of low-voltage load switch-box assembles mutually;
Accompanying drawing 2 the present invention and the main TV structure schematic diagram that send electricity condition that is in after the drawer of low-voltage load switch-box assembles mutually;
Accompanying drawing 3 the present invention with after the drawer of low-voltage load switch-box assembles mutually be in the interruption maintenance state time main TV structure schematic diagram.
Embodiment
For the ease of those skilled in the art's understanding, the invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of drawer interlocking mechanism of low-voltage load switch-box, comprise left push rod 21, the right push rod 22 in the drawer that is arranged on the low-voltage load switch-box and be positioned at left push rod 21 and the locking plate 3 of 22 of right push rods, locking plate 3 one ends and the installed part 4 activity attachings, the other end that are fixed in the drawer-bottom board upper surface and the through hole of offering on drawer-bottom board 5 are corresponding, and the position of this through hole 5 is positioned at the front upper place of the screw mandrel 18 of the bottom surface that is contained in drawer-bottom board.Also be provided with the return unit that is connected with locking plate 3 on drawer-bottom board, this return unit comprises connector 6 and extension spring 7, and connector 6 fixedly is loaded on the drawer-bottom board lower surface, and extension spring 7 one ends are loaded on the connector 6, the other end is connected with locking plate 3 one ends.Installed part 4 bottoms are installed with rotating shaft 8, and an end movable set of the locking plate 3 that is connected with extension spring 7 is in this rotating shaft 8, and locking plate 3 can rotate around this rotating shaft 8.
The fixed-site of corresponding left push rod 21 is equiped with alignment pin 91 No. one on the locking plate 3, and left side push rod 21 blocks alignment pin 91 No. one when promoting left push rod 21.Installed part 4 upper ends fixedly are equiped with No. two alignment pins 92 that are used to limit locking plate 3 strokes.
When left push rod 21 and right push rod 22 are installed, the left plate 10 that left side push rod 21 penetrates drawer extends in the drawer, the left side end fixed cover that exposes outside drawer left plate 10 of push rod 21 is equipped with left washer 11, also is set with the left stage clip 12 that is positioned at 10 of this left side washer 11 and drawer left plates on the left push rod 21; The right plate 13 that right push rod 22 penetrates drawer extends in the drawer, and the end fixed cover that right push rod 22 exposes outside drawer right plate 13 is equipped with right washer 14, also is set with the right stage clip 15 that is positioned at 13 of this right side washer 14 and drawer right plates on the right push rod 22.
In order to make left push rod 21 and right push rod 22 more reliable and more stable, on the upper surface of drawer-bottom board, also be fixed with left pusher bar support 16 and right pusher bar support 17, left side push rod 21 passes drawer left plate 10 and left pusher bar support 16 successively, and right push rod 22 passes drawer right plate 13 and right pusher bar support 17 successively.
Operating state of the present invention is as follows,
When needing interruption maintenance, as shown in Figure 3, on-load switch to power network line carries out sub-switching operation earlier, get a rocking bar then, rocking bar is inserted the screw mandrel that is loaded on the drawer-bottom board bottom surface, by counterclockwise shaking screw mandrel, after shaking travel switch on the low-voltage load switch-box and sending the index signal that puts in place, can take out rocking bar.Again left push rod is applied to the right power, left push rod level is moved right, left push rod promotes an alignment pin on the locking plate, force locking plate to rotate around the shaft, along with constantly moving of left push rod, the locking plate other end moves down and passes through hole bumping post screw hole, and extension spring is stretched; Promote right push rod with horizontal thrust left again, make right push rod block locking plate, thereby locking plate is tightly blocked by left push rod and right push rod simultaneously, locking plate one end shelters from the screw hole position again, this moment, rocking bar can not insert in the screw mandrel, had avoided misoperation, safeguard work personnel's safety.
In the time of need sending electricity, as shown in Figure 2, at first remove horizontal thrust to right push rod, right push rod is owing to the elastic force that is subjected to adorning stage clip thereon automatically resets, make right push rod no longer stick locking plate, remove the horizontal thrust to left push rod again, the elastic force that left push rod is subjected to adorning stage clip thereon automatically resets, and makes an alignment pin on the not tight snapclose sheet of left push rod.Locking plate is under the tension of extension spring at this moment, and upwards rotation resets around the shaft, and the locking plate part of originally passing through hole moves up again, and then removes blocking screw hole.Can insert rocking bar is inserted in the screw mandrel this moment, the screw mandrel that moves in the direction of the clock, and drawer advances, and after shaking travel switch and sending the index signal that puts in place, can take out rocking bar, finishes transmission process.
The foregoing description is a preferred implementation of the present invention, need to prove, under the prerequisite that does not break away from inventive concept of the present invention, any conspicuous replacement is all within protection scope of the present invention.
Claims (7)
1. the drawer interlocking mechanism of a low-voltage load switch-box, it is characterized in that: comprise left push rod (21), the right push rod (22) in the drawer that is arranged on the low-voltage load switch-box and be positioned at left push rod and right push rod between locking plate (3), locking plate one end and the installed part that is fixed in the drawer-bottom board upper surface (4) activity attaching, the other end and the through hole of offering on drawer-bottom board (5) are corresponding.
2. the drawer interlocking mechanism of low-voltage load switch-box according to claim 1, it is characterized in that: also be provided with the return unit that is connected with locking plate on the described drawer-bottom board, this return unit comprises connector (6) and extension spring (7), connector fixedly is loaded on the drawer-bottom board lower surface, and extension spring one end is loaded on the connector, the other end is connected with locking plate one end.
3. the drawer interlocking mechanism of low-voltage load switch-box according to claim 2 is characterized in that: be installed with rotating shaft (8) with the installed part bottom of described locking plate attaching, an end movable set of the locking plate that is connected with extension spring is in this rotating shaft.
4. the drawer interlocking mechanism of low-voltage load switch-box according to claim 3 is characterized in that: the fixed-site of corresponding left push rod is equiped with an alignment pin (91) on the described locking plate.
5. the drawer interlocking mechanism of low-voltage load switch-box according to claim 4 is characterized in that: fixedly be equiped with No. two alignment pins (92) that are used to limit the locking plate stroke with the installed part upper end of described locking plate attaching.
6. according to the drawer interlocking mechanism of each described low-voltage load switch-box in the claim 1～5, it is characterized in that: the left plate (10) that described left push rod penetrates drawer extends in the drawer, the end fixed cover that left side push rod exposes outside the drawer left plate is equipped with left washer (11), also is set with the left stage clip (12) that is positioned between this left side washer and drawer left plate on the left push rod; The right plate (13) that right push rod penetrates drawer extends in the drawer, and the end fixed cover that right push rod exposes outside the drawer right plate is equipped with right washer (14), also is set with the right stage clip (15) that is positioned between this right side washer and drawer right plate on the right push rod.
7. the drawer interlocking mechanism of low-voltage load switch-box according to claim 6, it is characterized in that: also be fixed with left pusher bar support (16) and right pusher bar support (17) on the upper surface of described drawer-bottom board, left side push rod passes drawer left plate and left pusher bar support successively, and right push rod passes drawer right plate and right pusher bar support successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110094870.6A CN102227056B (en) | 2011-04-15 | 2011-04-15 | Drawer interlocking mechanism of low-voltage load switch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110094870.6A CN102227056B (en) | 2011-04-15 | 2011-04-15 | Drawer interlocking mechanism of low-voltage load switch box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102227056A true CN102227056A (en) | 2011-10-26 |
| CN102227056B CN102227056B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110094870.6A Active CN102227056B (en) | 2011-04-15 | 2011-04-15 | Drawer interlocking mechanism of low-voltage load switch box |
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| Country | Link |
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| CN (1) | CN102227056B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021189120A1 (en) * | 2020-03-27 | 2021-09-30 | Melquisedec Francisquini | End-of-travel lock with handle for motor control center (mcc) drawer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206055Y (en) * | 1994-08-04 | 1995-08-30 | 张君平 | Locking device for suitcase |
| CN2308689Y (en) * | 1997-07-03 | 1999-02-24 | 王鑫霞 | Anti-prizing security device of rolling shutter |
| US20020005339A1 (en) * | 1999-11-10 | 2002-01-17 | Mitsubishi Denki Kabushiki Kaisha | Insertion/withdrawal mechanism for a circuit interrupter |
| CN201946905U (en) * | 2011-04-15 | 2011-08-24 | 广东北江开关厂有限公司 | Drawer interlocking mechanism of low voltage load switch box |
-
2011
- 2011-04-15 CN CN201110094870.6A patent/CN102227056B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2206055Y (en) * | 1994-08-04 | 1995-08-30 | 张君平 | Locking device for suitcase |
| CN2308689Y (en) * | 1997-07-03 | 1999-02-24 | 王鑫霞 | Anti-prizing security device of rolling shutter |
| US20020005339A1 (en) * | 1999-11-10 | 2002-01-17 | Mitsubishi Denki Kabushiki Kaisha | Insertion/withdrawal mechanism for a circuit interrupter |
| CN201946905U (en) * | 2011-04-15 | 2011-08-24 | 广东北江开关厂有限公司 | Drawer interlocking mechanism of low voltage load switch box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021189120A1 (en) * | 2020-03-27 | 2021-09-30 | Melquisedec Francisquini | End-of-travel lock with handle for motor control center (mcc) drawer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102227056B (en) | 2015-07-08 |
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Effective date of registration: 20191113 Address after: 511500 Guangdong Qingcheng District Qingyuan City, North Road No. 38 Patentee after: QINGYUAN POWER SUPPLY BUREAU, GUANGDONG POWER GRID CO., LTD. Address before: 511517 District seven, hi tech Industrial Development Zone, Guangdong, Qingyuan Patentee before: Guangdong Beijiang Switch Factory Co., Ltd. |
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| TR01 | Transfer of patent right |