CN204517205U - A kind of interlocking protection against electric shock case varying duty cabinet - Google Patents
A kind of interlocking protection against electric shock case varying duty cabinet Download PDFInfo
- Publication number
- CN204517205U CN204517205U CN201520128285.7U CN201520128285U CN204517205U CN 204517205 U CN204517205 U CN 204517205U CN 201520128285 U CN201520128285 U CN 201520128285U CN 204517205 U CN204517205 U CN 204517205U
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- cabinet
- insulation board
- dwang
- bolt rod
- interlocking
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Abstract
The utility model discloses a kind of interlocking protection against electric shock case varying duty cabinet, comprise a cabinet, and separate the cabinet door that insulation board and is located at cabinet front portion, this separation insulation board plugs in cabinet by the opening being opened in cabinet sidewall, described cabinet door is provided with a pin hole, movablely on described cabinet is provided with the bolt rod matched with this pin hole; When separating insulation board and not inserting in cabinet, this bolt rod is plugged in pin hole and also locks cabinet door thus; When separating insulation board and insert in cabinet, this bolt rod can be promoted by separation insulation board, and finally deviate from pin hole when separating insulation board and arriving service position.The utility model can ensure only just can open cabinet door when separating insulation board and being inserted in cabinet completely, ensure that separating insulation board can play its due effect, prevents misoperation, ensures the safety of operating personnel, effectively prevent electric shock accidents, reduce operational risk.
Description
Technical field
The utility model relates to field of electrical equipment, particularly a kind of interlocking protection against electric shock case varying duty cabinet.
Background technology
At present, case varying duty cabinet has been widely used in urban distribution network at home and abroad and industrial electrical network, thus the wire laying mode changed in electric pole transformer, cobweb formula, to safety, the reliability service of power network, reduce electric substation's construction cost, Accelerating The Construction speed etc., all serving good effect, is one of development trend that converting equipment is new.Voltage in case varying duty cabinet is higher, be generally tens kilovolts, that commonly uses at present has 22 kilovolts and 35 kilovolts, it is very dangerous for operating the electric equipment in case varying duty cabinet under voltage high like this, therefore inlet wire bus can be located at below or the top of operating unit by existing case varying duty cabinet usually, and an opening is offered on the sidewall of cabinet, when needs operate operating unit inlet wire, first can separate insulation board by one plugs between inlet wire bus and operating unit from this opening, thus inlet wire bus and operating unit are separated, prevent the inlet wire bus of operating personnel's false touch high pressure and cause electric shock accidents, extract out again after having operated and separate insulation board, heat radiation in cabinet is affected to prevent it.
This mode improves the handling safety degree of case varying duty cabinet to a certain extent, reduce electric shock risk, but, because the action of separating insulation board and cabinet door is separate, some operating personnel likely can forget when reality uses first to insert and separates insulation board and directly open cabinet door, or awareness of safety is weak, does not use this separation insulation board for following the line of least resistance, thus the due effect of this separation insulation board cannot be played, still there is larger potential safety hazard.
Utility model content
In order to solve the problem, the purpose of this utility model is to provide a kind of interlocking protection against electric shock case varying duty cabinet that can ensure handling safety, reduce operational risk.
The utility model is the technical scheme that its technical problem of solution adopts:
A kind of interlocking protection against electric shock case varying duty cabinet, comprise a cabinet, and separate the cabinet door that insulation board and is located at cabinet front portion, this separation insulation board plugs in cabinet by the opening being opened in cabinet sidewall, described cabinet door is provided with a pin hole, movablely on described cabinet is provided with the bolt rod matched with this pin hole; When separating insulation board and not inserting in cabinet, this bolt rod is plugged in pin hole and also locks cabinet door thus; When separating insulation board and insert in cabinet, this bolt rod can be promoted by separation insulation board, and finally deviate from pin hole when separating insulation board and arriving service position.
Preferably, be provided with a back-moving spring between described bolt rod and cabinet, this back-moving spring is used for promoting bolt rod when taking out and separating insulation board makes it again plug in pin hole.
Preferably, the rear portion of described cabinet door is connected with the first interlock plate of a transverse direction, and described pin hole is longitudinally opened on this first interlock plate; Described cabinet is provided with one first interlocking frame, described bolt rod is longitudinally movable to be plugged on this first interlocking frame, the middle part of the curved bar of one "L" shaped is articulated on this first interlocking frame, the front end of curved bar and the afterbody pivot joint of bolt rod, the rear portion of curved bar can be promoted by separation insulation board thus the drive-connecting shaft of curved bar in the middle part of it is rotated, and then drives bolt rod to longitudinally move to pin hole.
Preferably, described cabinet hingen is connected on rotatable folding on cabinet, and cabinet door is provided with one second interlock plate, and cabinet is provided with one second interlocking frame, the middle part of one dwang is hubbed on this second interlocking frame, separates on insulation board and offers an interlocking hole matched with the rear end of dwang; The drive-connecting shaft that the front end that the second described interlock plate can promote dwang with the folding of cabinet door makes dwang in the middle part of it rotates, thus the rear portion of dwang is inserted or hole of deviating to interlock.
Preferably, the second described interlocking frame is also provided with one for limiting the positive stop of the rotational angle of dwang, when the rear end of dwang is plugged in interlocking hole, this positive stop is resisted against the side that insulation board direction of insertion is separated at dwang rear portion dorsad.
Preferably, the weight of the front end of described dwang is greater than or less than the weight of rear end, thus makes dwang by the weight difference self-resetting of its front-end and back-end.
The beneficial effects of the utility model are: in the utility model, when separating insulation board and not inserting in cabinet, bolt rod to be plugged in pin hole thus can to lock cabinet door, even if the door lock opened like this on cabinet door also cannot open cabinet door, when inserting separation insulation board, separate insulation board can promote bolt rod and move and finally deviate from pin hole and unlock, now can open cabinet door, adopt said structure can ensure only just can open cabinet door when separating insulation board and being inserted in cabinet, ensure that separating insulation board can play its due effect, prevent misoperation, ensure the safety of operating personnel, effectively prevent electric shock accidents, reduce operational risk.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is front view of the present utility model;
Fig. 2 is the partial enlarged drawing of part A in Fig. 1;
Fig. 3 is the partial enlarged drawing of part B in Fig. 1;
Fig. 4 is end view of the present utility model;
Fig. 5 is the partial enlarged drawing of C part in Fig. 4;
Fig. 6 is vertical view of the present utility model;
Fig. 7 is the scheme of installation of bolt rod in the utility model;
Fig. 8 is the scheme of installation of dwang in the utility model;
Fig. 9 is the structure chart separating insulation board in the utility model.
Embodiment
Referring to figs. 1 through Fig. 9, a kind of interlocking protection against electric shock case varying duty cabinet, comprise a cabinet 10, the front portion of cabinet 10 is provided with a cabinet door 20, the right side of this cabinet door 20 is articulated on cabinet 10, the right side wall of cabinet 10 offers an opening, one separates insulation board 30 to plug in cabinet 10 by this opening thus cabinet 10 is separated into upper and lower two cavitys, can operating unit 13 and inlet wire bus 14 points be located in these two cavitys when cabinet 10 uses, and cabinet door 20 is only communicated with the cavity of fitting operation unit 13, to prevent operating personnel from opening cabinet door 20 pairs of operating units 13, to carry out operation be touch inlet wire bus 14 by mistake and cause electric shock accidents, the slide rail 32 matched with this separation insulation board 30 is provided with in cabinet 10, be convenient to plug and take out separate insulation board 30.
Left side bottom cabinet door 20 is provided with the first interlock plate 21 of a transverse direction, this first interlock plate 21 offers the pin hole 211 of a longitudinal direction, the front end of one bolt rod 111 is plugged in this pin hole 211, the middle part of this bolt rod 111 is movable to be plugged on one first interlocking frame 11, this first interlocking frame 11 is fixed on cabinet 10, the middle part of the curved bar 112 of one "L" shaped is articulated on the first interlocking frame 11 and can rotates around this drive-connecting shaft, the front portion of this curved bar 112 and the afterbody pivot joint of bolt rod 111, the rear portion of curved bar 112 is positioned on the insertion path of separation insulation board 30, the middle part of bolt rod 111 is arranged with a back-moving spring 113, the two ends of this back-moving spring 113 are separately fixed on bolt rod 111 and the first interlocking frame 11, insert in pin hole 211 for promoting bolt rod 111 moves.Separate insulation board 30 when not inserting cabinet 10 completely when cabinet door 20 is closed, this bolt rod 111 is plugged in pin hole 211, thus locking cabinet door 20, even if open the door lock of cabinet door 20 like this, still cabinet door 20 cannot be opened; When separation insulation board 30 is inserted cabinet 10, the rear portion that separation insulation board 30 can promote curved bar 112 makes curved bar 112 rotate, and then drives bolt rod 111 to move down, in time separating insulation board 30 bending insertion, bolt rod 111 is deviate from pin hole 211 and is unlocked, and now can open cabinet door 20.This structure can ensure only just can open cabinet door 20 when separating insulation board 30 and being inserted into completely in cabinet 10, ensure that separating insulation board 30 can play its due effect, prevents misoperation, ensures the safety of operating personnel, effectively prevent electric shock accidents, reduce operational risk.
Pin hole 211 and bolt rod 111 also can laterally or obliquely be arranged, and moved by the direct bolt rod 111 that promotes of separation insulation board 30, on the side that pin hole 211 also directly can be opened in cabinet door 20 or other positions, same, separate insulation board 30 also to be moved by other conventional drive mechanisms promotion bolt rods 111 such as the guiding faces of inclination, these structures and technical method are all the common technologies in this area, separately be not described further at this, during actual use, suitable mode can be adopted flexibly as required.
Insertion position owing to separating insulation board 30 in the present embodiment is positioned at bottom cabinet door 20, therefore pin hole 211 and bolt rod 111 have been arranged on accordingly the position bottom close cabinet door 20, certainly, during actual use, separating insulation board 30 can plug near other optional positions such as cabinet door 20 upper end or middle part, now can change the installation site of pin hole 211 and bolt rod 111 and the moving direction of bolt rod 111 accordingly, the change of these installation sites and installation direction to those skilled in the art, it is all very easily Design and implementation, separately be not described further at this.
Same, in order to not change the shape of separation insulation board 30 so that carry out repacking use cashier's office in a shop in existing case varying duty in the present embodiment, make use of the front end of separating insulation board 30 to move to promote bolt rod 111, thus bolt rod 111 has been arranged on close separation insulation board 30 insert completely after near its front end, after inserting completely to make separation insulation board 30, bolt rod 111 just deviates from pin hole 211, ensures use safety; Certainly this pin hole 211 and bolt rod 111 also can be located at other optional positions such as middle part, right side of cabinet door 20 and cabinet 10 respectively, and on separation insulation board 30, set up the bulge-structure for promoting bolt rod 111 movement accordingly.
The rear portion of cabinet door 20 is provided with one second interlock plate 22, and middle part cabinet 10 being provided with accordingly one second interlocking frame 12, dwang 121 is hubbed on this interlocking frame, separates on insulation board 30 and offers an interlocking hole 31 matched with the rear end of dwang 121, the drive-connecting shaft that the front end that second interlock plate 22 can promote dwang 121 with the folding of cabinet door 20 makes dwang 121 in the middle part of it rotates, thus the rear portion of dwang 121 is inserted or hole 31 of deviating to interlock, the rearward weight of this dwang 121 is greater than anterior weight, like this, when cabinet door 20 is opened, under the effect of own wt difference, dwang 121 can turn to lengthwise position voluntarily, thus in the interlocking hole 31 that the rear end of dwang 121 is plugged on separation insulation board 30, second interlocking frame 12 is also provided with one for limiting the positive stop 122 of the rotational angle of dwang 121, when the rear end of dwang 121 is plugged in interlocking hole 31, this positive stop 122 is resisted against the side that insulation board 30 direction of insertion is separated at dwang 121 rear portion dorsad, make dwang 121 cannot continue to rotate backward, and then make separation insulation board 30 oppositely cannot move and deviate from cabinet 10, in the process that cabinet door 20 is closed, because the second interlock plate 22 rotates with cabinet door 20, there is the displacement component of a left and right directions, thus dwang 121 front end can be promoted dwang 121 is rotated, and when cabinet door 20 is closed completely, hole 31 of completely deviating to interlock, the rear end of dwang 121 unlocks, and now can take out and separate insulation board 30.Lose segregation because accident or human factor cause separation insulation board 30 to be removed after this structure can prevent opening cabinet door 20, ensure the safety of operating personnel, prevent from getting an electric shock, reduce operational risk.
Same, this structure also can be arranged on other suitable positions on cabinet door 20 and cabinet 10, and other resetting devices such as spring also can be adopted to reset to make dwang 121.
The foregoing is only preferred embodiments of the present utility model, as long as the technical scheme realizing the utility model object with basic same approach all belongs within protection range of the present utility model.
Claims (6)
1. an interlocking protection against electric shock case varying duty cabinet, comprise a cabinet (10), and separate the cabinet door (20) that insulation board (30) and is located at cabinet (10) front portion, this separation insulation board (30) plugs in cabinet (10) by the opening being opened in cabinet (10) sidewall, it is characterized in that: described cabinet door (20) is provided with a pin hole (211), described cabinet (10) is above movable is provided with the bolt rod (111) matched with this pin hole (211); When separating insulation board (30) and not inserting in cabinet (10), this bolt rod (111) is plugged in pin hole (211) and also locks cabinet door (20) thus; When separating insulation board (30) and insert in cabinet (10), this bolt rod (111) can be promoted by separation insulation board (30), and finally deviate from pin hole (211) when separating insulation board (30) and arriving service position.
2. a kind of interlocking protection against electric shock case varying duty cabinet according to claim 1, it is characterized in that: be provided with a back-moving spring (113) between described bolt rod (111) and cabinet (10), this back-moving spring (113) makes it again plug in pin hole (211) for promoting bolt rod (111) when taking out and separating insulation board (30).
3. a kind of interlocking protection against electric shock case varying duty cabinet according to claim 1, it is characterized in that: the rear portion of described cabinet door (20) is connected with first interlock plate (21) of a transverse direction, described pin hole (211) is longitudinally opened on this first interlock plate (21); Described cabinet (10) is provided with one first interlocking frame (11), described bolt rod (111) is longitudinally movable to be plugged on this first interlocking frame (11), the middle part of the curved bar (112) of one "L" shaped is articulated on this first interlocking frame (11), the front end of curved bar (112) and the afterbody pivot joint of bolt rod (111), the rear portion of curved bar (112) can be promoted by separating insulation board (30) thus the drive-connecting shaft making curved bar (112) in the middle part of it rotates, and then drives bolt rod (111) to longitudinally move to pin hole (211).
4. a kind of interlocking protection against electric shock case varying duty cabinet according to claim 1, it is characterized in that: described cabinet door (20) is articulated in cabinet (10) above rotatable folding, cabinet door (20) is provided with one second interlock plate (22), cabinet (10) is provided with one second interlocking frame (12), the middle part of one dwang (121) is hubbed on this second interlocking frame (12), separates on insulation board (30) and offers an interlocking hole (31) matched with the rear end of dwang (121); The drive-connecting shaft that the front end that described the second interlock plate (22) can promote dwang (121) with the folding of cabinet door (20) makes dwang (121) in the middle part of it rotates, thus the rear portion of dwang (121) is inserted or hole (31) of deviating to interlock.
5. a kind of interlocking protection against electric shock case varying duty cabinet according to claim 4, it is characterized in that: described the second interlocking frame (12) is also provided with one for limiting the positive stop (122) of dwang (121) rotational angle, when the rear end of dwang (121) is plugged in interlocking hole (31), this positive stop (122) is resisted against the side that insulation board (30) direction of insertion is separated at dwang (121) rear portion dorsad.
6. a kind of interlocking protection against electric shock case varying duty cabinet according to claim 4, it is characterized in that: the weight of the front end of described dwang (121) is greater than or less than the weight of rear end, thus make dwang (121) by the weight difference self-resetting of its front-end and back-end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128285.7U CN204517205U (en) | 2015-03-05 | 2015-03-05 | A kind of interlocking protection against electric shock case varying duty cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520128285.7U CN204517205U (en) | 2015-03-05 | 2015-03-05 | A kind of interlocking protection against electric shock case varying duty cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204517205U true CN204517205U (en) | 2015-07-29 |
Family
ID=53715141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520128285.7U Withdrawn - After Issue CN204517205U (en) | 2015-03-05 | 2015-03-05 | A kind of interlocking protection against electric shock case varying duty cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204517205U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752967A (en) * | 2015-03-05 | 2015-07-01 | 中山市明阳电器有限公司 | Interlocking type electric shock preventing box transformer substation varying-load cabinet |
| CN114678734A (en) * | 2022-03-11 | 2022-06-28 | 南京华士电子科技有限公司 | Lock limiting random guiding positioning locking structure by stirring |
-
2015
- 2015-03-05 CN CN201520128285.7U patent/CN204517205U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752967A (en) * | 2015-03-05 | 2015-07-01 | 中山市明阳电器有限公司 | Interlocking type electric shock preventing box transformer substation varying-load cabinet |
| CN114678734A (en) * | 2022-03-11 | 2022-06-28 | 南京华士电子科技有限公司 | Lock limiting random guiding positioning locking structure by stirring |
| CN114678734B (en) * | 2022-03-11 | 2024-04-16 | 南京华士电子科技有限公司 | Toggle falling lock limiting random guiding positioning locking structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20170804 |
|
| AV01 | Patent right actively abandoned |