CN205265132U - Isolation gating device - Google Patents
Isolation gating device Download PDFInfo
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- CN205265132U CN205265132U CN201521066264.3U CN201521066264U CN205265132U CN 205265132 U CN205265132 U CN 205265132U CN 201521066264 U CN201521066264 U CN 201521066264U CN 205265132 U CN205265132 U CN 205265132U
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- Prior art keywords
- sprocket wheel
- rotating shaft
- overhead gage
- lower baffle
- drive link
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Abstract
The utility model discloses an isolation gating device, wherein isolation gating device includes the overhead gage, rotationally connects on the first side wall of door opening one side through first pivot, lower baffle passes through the second pivot and rotationally connects on the first side wall of homonymy, drive arrangement drives the overhead gage simultaneously, down the baffle is rotatory around respective pivot in respective vertical plane, and when overhead gage when all the rotation is to the level with baffle down, the door opening is closed, all rotatory to vertical when folding mutually when overhead gage and lower baffle, the door opening is opened, positioner locks overhead gage, lower baffle at horizontality or vertical state simultaneously. The utility model discloses a shared space of isolation gating device is little, installs in the compartment of circuit breaker the time, can be with overhauing position and work reliable isolation of position. Simultaneously because but consequently dead weight cancel each other out in operation process of two baffles, can realize the portability of operating.
Description
Technical field
The utility model relates to isolating door field, is specifically related to a kind of isolating door device.
Background technology
Present domestic traction substation hyperbaric chamber, be all by " breaker compartment " and " transformer, everyLeave and close compartment " etc. a series of compartment composition. And " breaker compartment " is divided into working position and inspectionRepair position, in the time that circuit breaker cart is moved maintenance position to, staff can examine operation to breaker,Now, application insulation board separates maintenance district and charged going, in order to avoid mistakenly entering into charged when staff's operationDistrict has an accident.
The method that current electric substation adopts is in the time that breaker is moved maintenance position to, then to be entered by staffEnter in compartment, between maintenance district and live zone, hang a 1m2Insulation board. As Chinese patent literatureCN102780168A discloses maintenance isolation baffle plate in a kind of handcart switch cabinet, and it comprises insulation barrierBody, insulation barrier body is corresponding with the space size of handcart switch cabinet, at the bottom of insulation stop plate bodyThe bilateral symmetry of portion is provided with support, is arranged with respectively handle in the both sides at insulation stop plate body middle part. EnterEnter to overhaul before district, need manually move insulation barrier and separate between maintenance position and working position; MaintenanceAfter complete, by insulation barrier being moved out, in maintenance process, easily because of staff's carelessness incite somebody to actionIt knocks over, and therefore this insulation barrier uses not only inconvenience but also not too safe, and operability is subject to workDo the constraint of personnel's strength size.
Utility model content
Therefore, the technical problems to be solved in the utility model be to overcome prior art for breaker everyBetween in the insulation barrier that separates of working position and maintenance position be only a plate body, when use, need operating personnelMoved to isolated location place, therefore this insulation barrier exists and uses not only inconvenience but also dangerous,And the defect of relatively requiring great effort, thereby a kind of rapid operation is provided, safety easy to use, institute takes up spaceLittle isolating door device.
For solving the problems of the technologies described above, a kind of isolating door device of the present utility model, comprises
Overhead gage, is rotatably connected to by the first rotating shaft on the first side wall of door opening one side;
Lower baffle plate, is rotatably connected to by the second rotating shaft on the described the first side wall of homonymy;
Drive unit, drive simultaneously described overhead gage, described lower baffle plate in perpendicular separately aroundRotating shaft separately rotation, in the time that described overhead gage and described lower baffle plate all rotate to level, described door openingClose; When described overhead gage and lower baffle plate all rotate when being vertically stacked, described door opening is opened;
Positioner is locked in level or vertical shape by described overhead gage, described lower baffle plate simultaneouslyState.
In isolating door device of the present utility model, the upper end one of described the first rotating shaft in described overhead gageThe corner of side, the corner of described the second rotating shaft in the lower end of described lower baffle plate homonymy, and described inThe first rotating shaft and described the second rotating shaft in the vertical direction are on same straight line.
In isolating door device of the present utility model, described drive unit comprises rotation operating-controlling mechanism and transmissionMechanism, described rotation operating-controlling mechanism provides and rotates output, and described transmission mechanism is by described rotation manipulation machineThe rotation that structure provides is passed to respectively described the first rotating shaft, described the second rotating shaft, controls described first and turnsAxle, the second rotating shaft are rotated simultaneously.
In isolating door device of the present utility model, described transmission mechanism comprises
The first sprocket wheel, is connected on the output shaft of described rotation operating-controlling mechanism;
The second sprocket wheel, is connected on described the first side wall by the first power transmission shaft;
The first chain, is set on described the first sprocket wheel and described the second sprocket wheel and carries out chain transmission;
The 3rd sprocket wheel, with described the second sprocket coaxiality setting;
The 4th sprocket wheel, is arranged in described the second rotating shaft;
The 5th sprocket wheel, is connected on described the first side wall by second driving shaft;
The second chain, is set on described the 3rd sprocket wheel, the 4th sprocket wheel, the 5th sprocket wheel and carries out chain transmission;
The first gear, with described the 5th sprocket coaxiality setting;
The second gear, is connected on described the first side wall by the 3rd power transmission shaft;
The 6th sprocket wheel, coaxially arranges with described the second gear, and with described the first meshed transmission gear;
The 7th sprocket wheel, is arranged in described the first rotating shaft;
The 3rd chain, is set on described the 6th sprocket wheel, described the 7th sprocket wheel and carries out chain transmission.
In isolating door device of the present utility model, described rotation operating-controlling mechanism comprises drive link assembly, withAnd crank, one end of described drive link assembly forms described output shaft, another of described drive link assemblyEnd is provided with described crank.
In isolating door device of the present utility model, described drive link assembly comprises the first drive link, secondDrive link, connects the universal joint of described the first drive link and described the second drive link, described the first transmissionOn bar, connect described crank, on described the second drive link, connect described the first sprocket wheel.
In isolating door device of the present utility model, the end of described the second drive link is also provided with connecting axle,Described the first sprocket wheel is arranged on described connecting axle, is also arranged with fixation kit, institute on described connecting axleState fixation kit and comprise that center forms the fixed head of through hole and is connected with described fixed head and with describedThe sleeve that through hole communicates, described fixed head is fixed by screws on described the first side wall.
In isolating door device of the present utility model, the opposite side sidewall of described door opening is the second sidewall, instituteState overhead gage, described lower baffle plate in the time of level, described overhead gage towards described the second sidewallAll can supporting towards described the second Yi Ce end, sidewall place of Yi Ce end, place, described lower baffle plateLean against on described the second sidewall.
In isolating door device of the present utility model, on described the first side wall, be also provided with and described the first side wallThe side plate being oppositely arranged, described transmission mechanism is between described the first side wall and described side plate.
In isolating door device of the present utility model, described positioner passes through the described drive unit of locking,Described overhead gage, described lower baffle plate are locked in to level or vertical state simultaneously.
Technical solutions of the utility model, tool has the following advantages:
1. in isolating door device of the present utility model, when overhead gage, lower baffle plate rotate to level, energyEnough expansion closed door opening, and rotates while being extremely vertically stacked, and overhead gage, lower baffle plate all rotate extremelyOne side of door opening can make door opening open completely while being stacked. Not only door opening can for such isolating door deviceOpen completely, and can save to greatest extent space, in addition, door opening below without arrange slide rail itThe structure of class, therefore, is convenient to similar handcart and passes through. The setting of positioner can keep reliablyThe open mode of door opening or closed condition.
2. the special construction forming at transmission mechanism employing sprocket wheel of the present utility model, chain, gearDrive mechanism, can utilize the principle of counteract gravity forces, makes overhead gage, lower baffle plate in motion processIn each moment, deadweight is all cancelled out each other, and realizes the portability of operation, operates very laborsaving. AndAnd overhead gage, lower baffle plate " closing " and " opening " two states still gravity cancel out each other, thenCoordinate " the static dead point " of drive unit to design each positioner, make it there is the property of being perfectly safe.
3. in the utility model, the corner of upper end one side of the first rotating shaft in described overhead gage,The corner of the second rotating shaft in the lower end of baffle plate homonymy, and the first rotating shaft and the second rotating shaft are vertical sideUpwards on same straight line. In the time of the extremely vertical state of two baffle plate rotations, two plates substantially can be complete like thisFull weight is folded, not only attractive in appearance, and institute takes up space less.
Brief description of the drawings
In order to be illustrated more clearly in the utility model detailed description of the invention or technical side of the prior artCase, does the accompanying drawing to required use in detailed description of the invention or description of the Prior Art simply belowIntroduce, apparently, the accompanying drawing in the following describes is embodiments more of the present utility model, rightIn those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also basisThese accompanying drawings obtain other accompanying drawing.
Fig. 1 is the structural representation of isolating door device of the present utility model in opening;
Fig. 2 is the structural representation of isolating door device of the present utility model in closed condition;
Fig. 3 is the stereogram of isolating door device of the present utility model in closed condition;
Fig. 4 is the stereogram of drive unit of the present utility model;
Fig. 5 is the enlarged drawing at Fig. 4 A place;
Fig. 6 is the stereogram that the compartment of isolating door device of the present utility model is installed;
Description of reference numerals:
1-overhead gage; 2-lower baffle plate; 3-the first side wall; 4-the second sidewall; 5-the first rotating shaft; 6-Two rotating shafts; 7-the first sprocket wheel; 8-the second sprocket wheel; 9-the first power transmission shaft; 10-the first chain; 11-Three sprocket wheels; 12-the 4th sprocket wheel; 13-the 5th sprocket wheel; 14-second driving shaft; 15-the second chain; 16-The first gear; 17-the second gear; 18-the 3rd power transmission shaft; 19-the 6th sprocket wheel; 20-the 7th sprocket wheel;21-the 3rd chain; 22-crank; 23-the first drive link; 24-the second drive link; 25-universal joint; 26-Fixed head, 27-side plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, aobviousSo, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative workThe every other embodiment obtaining under prerequisite, belongs to the scope that the utility model is protected.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited,Term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be fixing companiesConnecing, can be also to removably connect, or connects integratedly; Can be mechanical connection, can be also electricityConnect; Can be to be directly connected, also can indirectly be connected by intermediary, can be two elementsInner connection. For the ordinary skill in the art, can concrete condition understand above-mentioned artThe concrete meaning of language in the utility model.
In addition related technical characterictic in the different embodiments of described the utility model,The conflict of will not forming each other just can mutually combine.
Embodiment 1
As shown in Fig. 1-6, a kind of isolating door device of the present utility model, comprises
Overhead gage 1, is rotatably connected to by the first rotating shaft 5 on the first side wall 3 of door opening one side;
Lower baffle plate 2, is rotatably connected to by the second rotating shaft 6 on the described the first side wall 3 of homonymy;
Drive unit drives described overhead gage 1, described lower baffle plate 2 in perpendicular separately simultaneouslyAround rotating shaft rotation separately, in the time that described overhead gage 1 and described lower baffle plate 2 all rotate to level, instituteStating door opening closes; When described overhead gage 1 and lower baffle plate 2 all rotate when being vertically stacked, described door openingOpen;
Positioner is locked in level or vertical by described overhead gage 1, described lower baffle plate 2 simultaneouslyState. Preferred described positioner by locking described drive unit, by described overhead gage 1, described underBaffle plate 2 is locked in level or vertical state simultaneously.
Such scheme is core scheme of the present utility model, when overhead gage 1, lower baffle plate 2 rotate to level,Can launch door opening to close, and rotate while being extremely vertically stacked, overhead gage 1, lower baffle plate 2 all revolveA side that goes to door opening can make door opening open completely while being stacked. So not only door opening of isolating door deviceCan open completely, and can save to greatest extent space, in addition, door opening below is without cunning is setThe structure of rail and so on, therefore, is convenient to similar handcart and passes through. The setting of positioner can be reliablyKeep open mode or the closed condition of door opening.
The preferably corner of upper end one side of described the first rotating shaft 5 in described overhead gage 1, described theThe corner of two rotating shafts 6 in the lower end of described lower baffle plate 2 homonymy, and described the first rotating shaft 5 and instituteState the second rotating shaft 6 in the vertical directions on same straight line. Like this at extremely vertically shape of two baffle plate rotationsWhen state, two plates substantially can be completely overlapping, not only attractive in appearance, and institute takes up space less.
Further, described drive unit comprises rotation operating-controlling mechanism and transmission mechanism, described rotation behaviourControl mechanism provides and rotates output, and the rotation that described transmission mechanism provides described rotation operating-controlling mechanism respectivelyBe passed to described the first rotating shaft 5, described the second rotating shaft 6, control described the first rotating shaft 5, the second rotating shaft6 rotations simultaneously.
In the present embodiment, preferred described transmission mechanism comprises
The first sprocket wheel 7, is connected on the output shaft of described rotation operating-controlling mechanism;
The second sprocket wheel 8, is connected on described the first side wall 3 by the first power transmission shaft 9;
The first chain 10, is set on described the first sprocket wheel 7 and described the second sprocket wheel 8 and carries out chain transmission;
The 3rd sprocket wheel 11, coaxially arranges with described the second sprocket wheel 8;
The 4th sprocket wheel 12, is arranged in described the second rotating shaft 6;
The 5th sprocket wheel 13, is connected on described the first side wall 3 by second driving shaft 14;
The second chain 15, is set on described the 3rd sprocket wheel 11, the 4th sprocket wheel 12, the 5th sprocket wheel 13Carry out chain transmission;
The first gear 16, coaxially arranges with described the 5th sprocket wheel 13;
The second gear 17, is connected on described the first side wall 3 by the 3rd power transmission shaft 18;
The 6th sprocket wheel 19, coaxially arranges with described the second gear 17, and nibbles with described the first gear 16Close transmission;
The 7th sprocket wheel 20, is arranged in described the first rotating shaft 5;
The 3rd chain 21, is set on described the 6th sprocket wheel 19, described the 7th sprocket wheel 20 and carries out chain biographyMoving. Such transmission mechanism can utilize the principle of counteract gravity forces, makes overhead gage 1, lower baffle plate 2 in fortuneIn each moment in moving process, deadweight is all cancelled out each other, and realizes the portability of operation, operates non-Chang Shengli. And overhead gage 1, lower baffle plate 2 are at still gravity of " closing " and " opening " two statesCancel out each other, then coordinate " the static dead point " of drive unit to design each positioner, it is had absolutelyTo security.
Particularly, described rotation operating-controlling mechanism comprises drive link assembly, and crank 22, described transmissionOne end of bar assembly forms described output shaft, and the other end of described drive link assembly is provided with described crank22. By rotating crank 22, make drive link assembly that rotation is exported to the first sprocket wheel 7.
Preferred described drive link assembly comprises the first drive link 23, the second drive link 24, connects describedThe universal joint 25 of one drive link 23 and described the second drive link 24, connects on described the first drive link 23Described crank 22, connects described the first sprocket wheel 7 on described the second drive link 24. Establishing of universal joint 25Put and can make rotation transmission more smooth and easy.
The end of described the second drive link 24 is also provided with connecting axle, described in described the first sprocket wheel 7 is arranged onOn connecting axle, be also arranged with fixation kit on described connecting axle, described fixation kit comprises center mouldingThe sleeve that has the fixed head 26 of through hole and be connected and communicate with described through hole with described fixed head 26,Described fixed head 26 is fixed by screws on described the first side wall 3.
Further, the opposite side sidewall of described door opening is the second sidewall 4, described overhead gage 1, described inLower baffle plate 2 in the time of level, described overhead gage 1 towards described the second sidewall 4 place one sidesAll can being resisted against towards described the second sidewall 4 Yi Ce ends, place of end, described lower baffle plate 2On described the second sidewall 4. All door opening can be resisted against because of one end of overhead gage 1, lower baffle plate 2 so anotherOn the second sidewall 4 of one side, therefore when there being external force past from being provided with this side of overhead gage 1, lower baffle plate 2On outer promotion overhead gage 1, lower baffle 2 time, overhead gage 1, lower baffle plate 2 can be closed reliably.
On described the first side wall 3, be also provided with the side plate 27 being oppositely arranged with described the first side wall, described biographyActuation mechanism is between described the first side wall 3 and described side plate 27, and the setting of side plate 27 can be blockedTransmission mechanism, not only more attractive in appearance, and can isolate transmission mechanism.
The course of work of isolating door device of the present utility model:
As shown in Figure 1, isolating door closing process, rotation crank 22, crank 22 passes through drive link assembly,Export rotation to first sprocket wheel 7, drive the first sprocket wheel 7 to rotate, the first sprocket wheel 7 rotations are by firstChain 10, drives to the second sprocket wheel 8, the second sprocket wheels 8 by rotation and rotation is driven to and the second chainTake turns 8 the 3rd coaxial sprocket wheel 11, the three sprocket wheels 11 and will rotate transmission on the one hand by the second chain 15To the 4th sprocket wheel 12, thereby drive lower baffle plate 2 counterclockwise to turn to horizontal position around the second rotating shaft 6Put; Drive to first gear coaxial with the 5th sprocket wheel 13 by the 5th sprocket wheel 13 on the other hand simultaneouslyOn 16, the first gear 16 and the second gear 17 engaged transmission, the second gear 17 is by the 3rd chainRotation is driven to the 7th sprocket wheel 20 by 21, thereby drive overhead gage 1 around the first rotating shaft 5 clockwiseTurn to horizontal level, isolating door is closed, then locks closed condition by positioner.
As shown in Figure 2, isolating door opening process: opposite spin crank 22, crank 22 is by transmissionBar assembly, exports rotation to first sprocket wheel 7, drives the first sprocket wheel 7 to rotate, and the first sprocket wheel 7 rotatesBy the first chain 10, rotation is driven to the second sprocket wheel 8, the second sprocket wheels 8 and again rotation is driven toThree sprocket wheel 11, the three sprocket wheels 11 coaxial with the second sprocket wheel 8 will rotate one by the second chain 15Aspect drives to the 4th sprocket wheel 12, thereby drives lower baffle plate 2 to rotate clockwise around the second rotating shaft 6To vertical position; Drive to the 5th sprocket wheel 13 coaxial by the 5th sprocket wheel 13 on the other hand simultaneouslyOn the first gear 16, the first gear 16 and the second gear 17 engaged transmission, the second gear 17 passes throughRotation is driven to the 7th sprocket wheel 20 by the 3rd chain 21, thereby drive overhead gage 1 contrary around the first rotating shaft 5Clockwise turns to vertical position, and isolating door is opened, then locks opening by positioner.
Obviously, above-described embodiment is only for example is clearly described, and not to the side of enforcementThe restriction of formula. For those of ordinary skill in the field, also can on the basis of the above descriptionTo make other changes in different forms. Here without also giving all embodimentsWith exhaustive. And the apparent variation of being extended out thus or variation are still created in the utility modelProtection domain among.
Claims (10)
1. an isolating door device, is characterized in that, comprises
Overhead gage (1), is rotatably connected to the first side wall of door opening one side by the first rotating shaft (5)(3) on;
Lower baffle plate (2), is rotatably connected to the described the first side wall of homonymy by the second rotating shaft (6)(3) on;
Drive unit, drive simultaneously described overhead gage (1), described lower baffle plate (2) separately verticallyIn plane around rotating shaft rotation separately, when described overhead gage (1) and described lower baffle plate (2) all rotateDuring to level, described door opening is closed; When described overhead gage (1) and lower baffle plate (2) all rotate to perpendicularWhile being directly stacked, described door opening is opened;
Positioner is locked in level by described overhead gage (1), described lower baffle plate (2) simultaneouslyOr vertical state.
2. isolating door device according to claim 1, is characterized in that, described the first rotating shaft (5)In the corner of the upper end of described overhead gage (1) side, described the second rotating shaft (6) is in describedThe corner of the lower end homonymy of lower baffle plate (2), and described the first rotating shaft (5) and described the second rotating shaft(6) in the vertical direction is on same straight line.
3. isolating door device according to claim 1 and 2, is characterized in that, described driving dressPut and comprise that rotation operating-controlling mechanism and transmission mechanism, described rotation operating-controlling mechanism provide rotation output, described inThe rotation that transmission mechanism provides described rotation operating-controlling mechanism be passed to respectively described the first rotating shaft (5),Described the second rotating shaft (6), controls described the first rotating shaft (5), the second rotating shaft (6) is rotated simultaneously.
4. isolating door device according to claim 3, is characterized in that, described transmission mechanism bagDraw together
The first sprocket wheel (7), is connected on the output shaft of described rotation operating-controlling mechanism;
The second sprocket wheel (8), is connected on described the first side wall (3) by the first power transmission shaft (9);
The first chain (10), is set in described the first sprocket wheel (7) enterprising with described the second sprocket wheel (8)The transmission of row chain;
The 3rd sprocket wheel (11), coaxially arranges with described the second sprocket wheel (8);
The 4th sprocket wheel (12), is arranged in described the second rotating shaft (6);
The 5th sprocket wheel (13), is connected on described the first side wall (3) by second driving shaft (14);
The second chain (15), is set in described the 3rd sprocket wheel (11), the 4th sprocket wheel (12), the 5th chainOn wheel (13), carry out chain transmission;
The first gear (16), coaxially arranges with described the 5th sprocket wheel (13);
The second gear (17), is connected on described the first side wall (3) by the 3rd power transmission shaft (18);
The 6th sprocket wheel (19), coaxially arranges with described the second gear (17), and with described the first gear(16) engaged transmission;
The 7th sprocket wheel (20), is arranged in described the first rotating shaft (5);
The 3rd chain (21), is set on described the 6th sprocket wheel (19), described the 7th sprocket wheel (20)Carry out chain transmission.
5. isolating door device according to claim 4, is characterized in that, described rotation manipulation machineStructure comprises drive link assembly, and crank (22), and one end of described drive link assembly forms described outputAxle, the other end of described drive link assembly is provided with described crank (22).
6. isolating door device according to claim 5, is characterized in that, described drive link assemblyComprise the first drive link (23), the second drive link (24), connect described the first drive link (23) withThe universal joint (25) of described the second drive link (24), described in described the first drive link (23) above connectsCrank (22), upper described the first sprocket wheel (7) that connects of described the second drive link (24).
7. isolating door device according to claim 6, is characterized in that, described the second drive link(24) end is also provided with connecting axle, and described the first sprocket wheel (7) is arranged on described connecting axle, described inOn connecting axle, be also arranged with fixation kit, described fixation kit comprises that center forms the fixed head of through hole(26) and the sleeve that is connected and communicates with described through hole with described fixed head (26), described fixingPlate (26) is fixed by screws in (3) on described the first side wall.
8. isolating door device according to claim 1, is characterized in that another of described door openingSide sidewall is the second sidewall (4), and described overhead gage (1), described lower baffle plate (2) are in levelTime, described overhead gage (1) towards Yi Ce end, described the second sidewall (4) place, described underBaffle plate (2) all can be resisted against described second towards Yi Ce end, described the second sidewall (4) placeOn sidewall (4).
9. isolating door device according to claim 3, is characterized in that, described the first side wall (3)On be also provided with the side plate (27) being oppositely arranged with described the first side wall, described transmission mechanism is in describedBetween one sidewall (3) and described side plate (27).
10. isolating door device according to claim 1, is characterized in that, described positioner is logicalCross and lock described drive unit, described overhead gage (1), described lower baffle plate (2) are locked in to water simultaneouslyLevel state or vertically state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066264.3U CN205265132U (en) | 2015-12-18 | 2015-12-18 | Isolation gating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521066264.3U CN205265132U (en) | 2015-12-18 | 2015-12-18 | Isolation gating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205265132U true CN205265132U (en) | 2016-05-25 |
Family
ID=56006639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521066264.3U Active CN205265132U (en) | 2015-12-18 | 2015-12-18 | Isolation gating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205265132U (en) |
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2015
- 2015-12-18 CN CN201521066264.3U patent/CN205265132U/en active Active
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