CN103094859B - Drawer of low-voltage switch cabinet unit connection structure - Google Patents
Drawer of low-voltage switch cabinet unit connection structure Download PDFInfo
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- CN103094859B CN103094859B CN201310003229.6A CN201310003229A CN103094859B CN 103094859 B CN103094859 B CN 103094859B CN 201310003229 A CN201310003229 A CN 201310003229A CN 103094859 B CN103094859 B CN 103094859B
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Abstract
The present invention relates to low voltage drawing-out switching carbinet.A kind of drawer of low-voltage switch cabinet unit connection structure, comprise cabinet, drawer unit, positioning pin drive mechanism and stop mechanism, it is indoor that described cabinet is provided with the drawer holding drawer unit, the location notch cooperatively interacted and alignment pin is provided with between described drawer unit and cabinet, oblique section is provided with conducting state location division and detected state location division, positioning pin drive mechanism comprises rotating disk, alignment pin links together with described rotating disk, stop mechanism comprises latch, locking spring, and the conducting position locking groove be arranged on rotating disk, detecting position locking groove and exit a locking groove, conducting position locking groove, detecting position locking groove and exit a locking groove three and distribute along the circumference of rotating disk.The invention provides a kind of when electric conducting state and electric off-state drawer unit with cabinet between the syndeton that can fix, solve the problem of low-tension switch cabinet test inconvenience.
Description
Technical field
The present invention relates to low voltage drawing-out switching carbinet, particularly relate to a kind of drawer of low-voltage switch cabinet unit connection structure.
Background technology
Low voltage drawing-out switching carbinet has disjunction, making capacity is high, dynamic thermal stability good, electrical arrangement is flexible, combined and instant, serial practical, novel structure, degree of protection high, receive the welcome of users, be widely used in power plant, electric substation, the motive power distribution center of industrial enterprise and skyscraper and motor control center, the low-voltage complete power distribution equipment that distribution, motor centralized control, reactive power compensation use as sending out, in electric power system uses.China Patent No. be " ZL2011204730414 ", authorized announcement date be July 25 in 2012 day, be called in the patent document of " low voltage drawing-out switching carbinet " and disclose a kind of low voltage drawing-out switching carbinet.Total structure of low voltage drawing-out switching carbinet is all with in this patent document, and comprise cabinet and drawer unit, cabinet is provided with drawer room, and drawer unit is located in drawer indoor correspondingly.
The connected mode of most low voltage drawing-out switching carbinet all in this patent document, drawer unit directly interts in drawer indoor, therefore drawer unit easily skids off and causes electrical contact bad from drawer room: the problem that can not to remain on electrical contact position in order to solve drawer unit with drawer room.Existing method is between drawer unit and cabinet, arrange the lock pin and pin-and-hole that cooperatively interact, when drawer unit is electrically connected with cabinet, produces relative sliding and electricity is thrown off both lock pin being inserted in lockhole stop; When extracting drawer unit out, lock pin is extracted in lockhole, thus can drawer unit be moved freely.
Existing drawer unit has the following disadvantages with the connection between cabinet: drawer unit only just can be locked together when electrically connecting state with between cabinet, when electricity is thrown off, then drawer unit can not be locked together with cabinet, and in drawer unit debug process, need drawer unit is disconnected with cabinet electricity, if now drawer unit is not extracted completely from drawer room, then easily produce at test process and touch drawer unit and make drawer unit enter into drawer room completely and with cabinet electrical contact together, damage the drawer unit in test and tester equipment, drawer unit is extracted completely and carries out testing, test jobs can be caused very inconvenient.
Summary of the invention
The invention provides one can make drawer unit with keep when electric conducting state between cabinet relatively-stationary again can in electric off-state time keep relatively-stationary drawer of low-voltage switch cabinet unit connection structure, what solve that drawer unit causes with being fixed together when electric off-state between cabinet can not be inserted in the problem that caused test inconvenience is carried out testing in drawer indoor by drawer unit.
Above technical problem is solved by following technical proposal: a kind of drawer of low-voltage switch cabinet unit connection structure, comprise cabinet, drawer unit, positioning pin drive mechanism and stop mechanism, it is indoor that described cabinet is provided with the drawer holding drawer unit, the location notch cooperatively interacted and alignment pin is provided with between described drawer unit and cabinet, described location notch comprises the straight section and oblique section that set gradually, described straight section extends along drawer unit direction of insertion, described oblique section is provided with conducting state location division and detected state location division, described positioning pin drive mechanism comprises rotating disk, described alignment pin links together with described rotating disk, described stop mechanism comprises latch, make latch towards the locking spring of rotating disk movement, and be arranged at the conducting position locking groove that the same latch on described rotating disk matches, detecting position locking groove and exit a locking groove, conducting position locking groove, detecting position locking groove and exit a locking groove three and distribute along the circumference of rotating disk.When latch is thrown off with rotating disk, then rotating disk can freely rotate, and can freely slide in location notch while the servo-actuated dial rotation of alignment pin; When latch is stuck in the locking groove of conducting position, rotating disk can not rotate, now drawer unit conducts (electric elements namely on drawer unit are electrically connected with the electric elements on cabinet) with cabinet, alignment pin is inserted in the conducting state location division in location notch, conducting state location division stops alignment pin to move along the depth direction of drawer room, makes drawer unit can not be equal to drawer room and extracts; When latch is stuck in test bit locking groove, rotating disk can not rotate, now drawer unit is inserted in the test mode location division in location notch with the disconnection of cabinet electricity, alignment pin, test mode location division stops alignment pin to move along the depth direction of drawer room, makes drawer unit can not be equal to drawer room and extracts; When latch be stuck in exit in a locking groove time, rotating disk can not rotate, now drawer unit is inserted in straight section with the disconnection of cabinet electricity, alignment pin, because the direction of insertion of straight section along drawer unit extends, therefore when extracting drawer unit, straight section can not limit alignment pin and within it moves, and makes drawer unit can extract completely from drawer room.
As preferably, described location notch is arranged in the wall portion of described drawer room, the outer end of described straight section extends to the outdoor end of described drawer, described oblique section tilts towards the indoor end of drawer away from one end of straight section, described conducting state position point is on one end away from described straight section of oblique section, described detected state position point is on one end that the same described straight section of described oblique section is connected, and described positioning pin drive mechanism is arranged at described drawer unit.After drawer unit can being extracted, positioning pin drive mechanism, lockable mechanism and alignment pin are installed on drawer unit, convenient when assembly and disassembly is safeguarded of the present invention.
As preferably, described rotating disk is provided with rotating disk driving handle.Go to rotate rotating disk by gripping rotating disk driving handle, convenient and strength-saving during rotation rotating disk.
As preferably, described rotating disk driving handle is in the same plane with rotating disk.Structural compactness is good.
The present invention also comprises one end with the hinged latch opening handle of described drawer unit, described latch is hinged in the middle part of described latch opening handle away from one end of described rotating disk, described drawer unit is provided with gathering sill, and described latch is provided with the slide block slipped in described gathering sill.Also can open latch easily when latch is positioned at narrow space.Make the present invention can adapt to installing and using of tight space.
As preferably, described locking spring one end links together with described latch, the other end links together with described drawer unit.Locking spring directly acts on latch, is not easy to produce stuck phenomenon, more reliably can ensure that lock pin is inserted in corresponding lock groove, good reliability.
The present invention also comprises observation window, sliding seat and connecting rod, and described sliding seat is linked together with described rotating disk by connecting rod, and described sliding seat is provided with can respectively with conducting state mark, detected state mark and opening mark that described observation window aligns; Described observation window, sliding seat, stop mechanism and positioning pin drive mechanism, be arranged in the same one in both drawer unit and cabinet.When conducting state mark is alignd with observation window, drawer unit conducts with cabinet and latch is inserted in conducting state locking groove.When test mode mark is alignd with observation window, drawer unit disconnects with cabinet electricity and latch is inserted in test mode locking groove.When opening mark is alignd with observation window, drawer unit disconnects with cabinet electricity and latch is inserted in opening locking groove.Intuitive and convenient can judge that drawer unit is in which kind of state and rotating disk and whether is stopped lock and stops rapidly, improve convenience during operation.
As preferably, described latch extends in the horizontal direction.Latch can not be subject to the impact of gravity and produce misoperation.Good reliability.
As preferably, described conducting position locking groove, detecting position locking groove and exit a locking groove three and be positioned on the side face of described rotating disk.Structural compactness is good.
As preferably, described conducting position locking groove, detecting position locking groove and to exit a locking groove be all hole.When latch is inserted in locking groove, be not easy the disengagement phenomenon producing non-parking pin moving direction.Good reliability.
The present invention has following advantage, with compact structure achieve drawer unit with can keep when electric conducting state between cabinet relatively fixing again can in electric off-state time keep relatively fixing; By arranging locking spring, lock pin is inserted in lock groove automatically, can overcome to produce and forget locking and carry out potential safety hazard existing for test job and avoid drawer unit that the phenomenon of power-off produces with cabinet abnormal disengagement, security reliability is good.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention when observing from a visual angle.
Fig. 2 is the close-up schematic view at the A place in Fig. 1.
Fig. 3 is the perspective view of the present invention when observing from another visual angle.
Fig. 4 is the close-up schematic view at the B place in Fig. 3.
Fig. 5 is the structural representation of the embodiment of the present invention two.
In figure: cabinet 1, drawer room 11, slide rail 12, drawer unit 2, second electrical apparatus interface 21, observation window 22, slide opening 23, slide bar 24, connecting rod 25, sliding seat 26, first gathering sill 27, second gathering sill 28, location notch 3, straight section 31, the outer end 311 of straight section, oblique section 32, one end 321 away from straight section of oblique section, conducting state location division 322, one end 323 that the same straight section of oblique section is connected, detected state location division 324, alignment pin 4, positioning pin drive mechanism 5, rotating disk 51, rotating disk driving handle 52, rotating shaft 53, stop mechanism 6, conducting position locking groove 61, detecting position locking groove 62, exit a locking groove 63, latch 64, first slide block 641, second slide block 642, locking bullet 65, latch opening handle 66, hinge 661.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
See Fig. 1, a kind of drawer of low-voltage switch cabinet unit connection structure, comprises cabinet 1 and drawer unit 2.
Cabinet 1 is provided with drawer room 11.Left end in the inner i.e. this figure of drawer room 11 is provided with the first electric interfaces, and the first electric interfaces is existing known interface, and the first electric interfaces is because cannot see in the drawings the inside being positioned at cabinet 1.The wall portion of drawer room 11 is provided with location notch 3.Location notch 3 comprises the straight section 31 and oblique section 32 that set gradually to the inner from the outer end of drawer room.Straight section 31 is along the D in drawer unit direction of insertion and figure to extension.The outer end 311 of straight section extends to the outer end of drawer room 11.The left end that one end 321 away from straight section of oblique section is corresponding in the inner i.e. this figure of drawer room tilts.One end 321 away from straight section of oblique section is provided with conducting state location division 322.One end 323 that the same straight section of oblique section is connected is provided with detected state location division 324.
The diapire of drawer unit 2 is provided with alignment pin 4, positioning pin drive mechanism 5 and stop mechanism 6.The inner of drawer unit 2 is provided with the second electrical apparatus interface 21.Second electric interfaces 2 is the known interface matched with the first electric interfaces.
See Fig. 2, positioning pin drive mechanism 5 comprises rotating disk 51 and rotating disk driving handle 52.Alignment pin 4 is connected on the lower surface of rotating disk 51.Rotating disk 51 is rotatably connected on the outer surface of drawer unit 2 diapire by rotating shaft 53.Rotating disk 51 is structure as a whole with rotating disk driving handle 52 and is positioned in same level.
Stop mechanism 6 comprises conducting position locking groove 61, detecting position locking groove 62, exits a locking groove 63, latch 64, locking spring 65 and latch opening handle 66.Conducting position locking groove 61, detecting position locking groove 62 and to exit on side face that a locking groove 63 three is positioned at rotating disk 51 and circumference along rotating disk distributes.Latch 64 is positioned at the below of drawer unit 2 diapire.Latch 64 extends in the horizontal direction.Latch 64 is provided with the first slide block 641 and the second slide block 642.Latch 64 is hinged on the middle part of latch opening handle 66 by the first slide block 641 away from one end of rotating disk 51.Locking spring 65 one end links together with latch 64, and locking spring 65 other end links together with drawer list 2.
The front side of drawer unit 2 is provided with observation window 22.The diapire of drawer unit 2 is provided with the slide opening 23 running through diapire.Slide bar 24 is equipped with in slide opening 23.One end that the lower end of slide bar 24 is stretched out with connecting rod 25 after slide opening is hinged.The other end of connecting rod 25 is hinged with rotating disk 51.Link together with sliding seat 26 after slide opening 23 is stretched out in the upper end of slide bar 24.
See Fig. 3, the sidewall of the drawer room 11 on cabinet 1 is provided with a pair slide rail 12.The sidewall of drawer unit 2 is provided with the pulley that together slide rail matches.Pulley does not draw in the drawings.
See Fig. 4, the diapire of drawer unit 2 is provided with the first gathering sill 27 and the second gathering sill 28.First gathering sill 27 is identical with the bearing of trend of the second gathering sill 28 and run through the diapire of drawer unit 2.Second slide block 642 is located in the second gathering sill 28.The inner of second slide block 642 is provided with the nut preventing the second slide block 642 from deviating from the second gathering sill 28.First slide block 641 is located in the first gathering sill 27.Latch opening handle 66 is positioned at the inner side of drawer unit 2 diapire.The inner of latch opening handle 66 is hinged with drawer unit 2 by hinge 661.Sliding seat 26 is positioned at the inner side passed through and examine hole 22.Sliding seat 26 is provided with conducting state mark, detected state mark and opening mark towards the side of inspection hole 22; Conducting state is designated word " sealed ".Detected state is designated word " test ".Opening is designated word " unlatching ".That only detected state mark is alignd with observation window during position in figure.
See Fig. 1, Fig. 2, Fig. 3 and Fig. 4, method of operation of the present invention and course of action as follows: according to C in Fig. 2 to the outer end of pulling latch opening handle 66, latch opening handle 66 orders about latch 64 by the first slide block 641 and maintains disengaged condition with rotating disk 51, rotating disk 51 can freely be rotated; After alignment pin 4 is alignd with the straight section 31 of location notch 3 according to the D in Fig. 1 to drawer unit 2 being inserted in drawer room 11 to the second electric interfaces 21 with the first electric interfaces electrical contact in drawer room 11 together, in the process that drawer unit 2 inserts, alignment pin 4 slides in oblique section 32 along straight section 31; Movable roundabout driving handle 52 in the horizontal direction, rotating disk driving handle 52 drives rotating disk 51 with rotating shaft 53 for axle rotates, rotating disk 51 drives slide bar 24 to slide in slide opening 23 by connecting rod 25, slide bar 24 drives sliding seat 26 to slide, movable roundabout driving handle 52 is stopped when the conducting state mark slided on sliding seat 26 is alignd with inspection hole 22, now latch 64 aligns with conducting position locking groove 61, and alignment pin 4 is positioned at conducting state location division 322; Unclamp and the C of latch opening handle 66 is acted on to pressing, locking spring 65 drives latch 64 to move towards rotating disk 51, the end of latch 64 is inserted in conducting position locking groove 61, rotating disk 51 can not be rotated, and conducting state location division 322 coordinates alignment pin 4, drawer unit 2 can not be extracted when drawer unit 2 is in electric conducting state with cabinet 1 in drawer room 11.
According to C in Fig. 2 to the outer end of pulling latch opening handle 66, latch opening handle 66 orders about latch 64 by the first slide block 641 and maintains disengaged condition with rotating disk 51, rotating disk 51 can freely be rotated; Movable roundabout driving handle 52 stops movable roundabout driving handle 52 when the detected state mark on sliding seat 26 is alignd with inspection hole 22 in the horizontal direction, and now latch 64 aligns with detecting position locking groove 62, and alignment pin 4 is positioned at detected state location division 324; Unclamp and the C of latch opening handle 66 is acted on to pressing, locking spring 65 drives latch 64 to move towards rotating disk 51, the end of latch 64 is inserted in detecting position locking groove 62, rotating disk 51 can not be rotated, and detected state location division 324 coordinates alignment pin 4, can remain on drawer unit 2 is in electric off-state position with cabinet 1 when drawer unit 2 is inserted in drawer room 11.Now can carry out test job safely and reliably, not worry that drawer unit can be deviate from together with being inserted into same cabinet 1 and conducting or deviate from.
According to C in Fig. 2 to the outer end of pulling latch opening handle 66, latch opening handle 66 orders about latch 64 by the first slide block 641 and maintains disengaged condition with rotating disk 51, rotating disk 51 can freely be rotated; Movable roundabout driving handle 52 stops movable roundabout driving handle 52 when the opening mark on sliding seat 26 is alignd with inspection hole 22 in the horizontal direction, and now latch 64 aligns with exiting a locking groove 63, and alignment pin 4 is arranged in the straight section 31 of location notch 3; Unclamp and the C of latch opening handle 66 is acted on to pressing, locking spring 65 drives latch 64 to move towards rotating disk 51, the end of latch 64 is inserted into be exited in a locking groove 63, rotating disk 51 can not be rotated, and makes drawer unit 2 be merely able to extract in drawer room 11 and can not be inserted into same cabinet 1 to conduct.This design can prevent from misoperation from drawer unit is reinserted same cabinet 1 conducting or stuckly cause again performing other unnecessary breakdown action in other state.Fail safe is good, and unnecessary operation action can not be caused to produce.
Embodiment two, see Fig. 5, the difference with embodiment one is: conducting position locking groove 61, detecting position locking groove 62 and exit a locking groove 63 all for being arranged on the hole on rotating disk 51 side face.Conducting state on sliding seat 26 is designated red color lump.Detected state is designated yellow color lump.Opening is designated green color lump.
Obviously, location notch is arranged on drawer unit, and observation window, sliding seat and positioning pin drive mechanism and lockable mechanism are arranged on cabinet and are also fine, now in order to enable drawer unit extract out completely, straight section be positioned at drawer unit the inner and tiltedly section be positioned at the outer end of drawer unit.
Claims (2)
1. a drawer of low-voltage switch cabinet unit connection structure, comprise cabinet and drawer unit, it is indoor that described cabinet is provided with the drawer holding drawer unit, it is characterized in that, also comprise positioning pin drive mechanism, stop mechanism, observation window, sliding seat and connecting rod, the location notch cooperatively interacted and alignment pin is provided with between described drawer unit and cabinet, described location notch comprises the straight section and oblique section that set gradually, described straight section extends along drawer unit direction of insertion, described oblique section is provided with conducting state location division and detected state location division, described positioning pin drive mechanism comprises rotating disk, described alignment pin links together with described rotating disk, described stop mechanism comprises latch, make latch towards the locking spring of rotating disk movement, and be arranged at the conducting position locking groove that the same latch on described rotating disk matches, detecting position locking groove and exit a locking groove, conducting position locking groove, detecting position locking groove and exit a locking groove three and distribute along the circumference of rotating disk, described sliding seat is linked together with described rotating disk by connecting rod, described sliding seat is provided with can respectively with the conducting state mark that described observation window aligns, detected state mark and opening mark, described observation window, sliding seat, stop mechanism and positioning pin drive mechanism, be arranged in the same one in both drawer unit and cabinet, described observation window is arranged on the front side of described drawer unit, described conducting position locking groove, detecting position locking groove and exit a locking groove three and be positioned on the side face of described rotating disk, described conducting position locking groove, detecting position locking groove is all hole with exiting a locking groove, described rotating disk is provided with rotating disk driving handle, described rotating disk driving handle is in the same plane with rotating disk, described latch extends in the horizontal direction, described positioning pin drive mechanism is arranged at described drawer unit, described stop mechanism also comprises latch opening handle, the inner of latch opening handle is hinged with drawer unit by hinge, latch is provided with the first slide block and the second slide block, the diapire of drawer unit is provided with the first gathering sill and the second gathering sill, latch is hinged on the middle part of latch opening handle by the first slide block be located in the first gathering sill away from one end of rotating disk, second slide block is located in the second gathering sill, the inner of second slide block is provided with the nut preventing the second slide block from deviating from the second gathering sill, described latch and latch opening handle are distributed in the both sides up and down of the diapire of drawer unit.
2. drawer of low-voltage switch cabinet unit connection structure according to claim 1, is characterized in that, described locking spring one end links together with described latch, the other end links together with described drawer unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003229.6A CN103094859B (en) | 2013-01-06 | 2013-01-06 | Drawer of low-voltage switch cabinet unit connection structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003229.6A CN103094859B (en) | 2013-01-06 | 2013-01-06 | Drawer of low-voltage switch cabinet unit connection structure |
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| Publication Number | Publication Date |
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| CN103094859A CN103094859A (en) | 2013-05-08 |
| CN103094859B true CN103094859B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310003229.6A Active CN103094859B (en) | 2013-01-06 | 2013-01-06 | Drawer of low-voltage switch cabinet unit connection structure |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9444234B2 (en) | 2014-05-28 | 2016-09-13 | General Electric Company | Switchgear including a withdrawable switchgear unit having a blocking mechanism |
| CN114204470B (en) * | 2021-12-10 | 2022-06-03 | 浙江浙恒电气股份有限公司 | Intelligent low-voltage draw-out type switch cabinet |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609247Y (en) * | 2003-03-17 | 2004-03-31 | 潘敏 | Propelling device for low voltage drawer type switch cubicle |
| CN202094522U (en) * | 2011-06-08 | 2011-12-28 | 杭州欣美成套电器制造有限公司 | Drawer structure used for low voltage draw-out type switch cabinet |
| CN203071469U (en) * | 2013-01-06 | 2013-07-17 | 杭州万禾电力科技有限公司 | A low-voltage switch cabinet drawer unit connecting structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63103608A (en) * | 1986-10-20 | 1988-05-09 | 株式会社戸上電機製作所 | Apparatus for mating/unmating unit of switchboard |
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- 2013-01-06 CN CN201310003229.6A patent/CN103094859B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609247Y (en) * | 2003-03-17 | 2004-03-31 | 潘敏 | Propelling device for low voltage drawer type switch cubicle |
| CN202094522U (en) * | 2011-06-08 | 2011-12-28 | 杭州欣美成套电器制造有限公司 | Drawer structure used for low voltage draw-out type switch cabinet |
| CN203071469U (en) * | 2013-01-06 | 2013-07-17 | 杭州万禾电力科技有限公司 | A low-voltage switch cabinet drawer unit connecting structure |
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| CN103094859A (en) | 2013-05-08 |
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