CN108695079A - A kind of explosion proof control case that can be automatically cut off the power - Google Patents
A kind of explosion proof control case that can be automatically cut off the power Download PDFInfo
- Publication number
- CN108695079A CN108695079A CN201810543307.4A CN201810543307A CN108695079A CN 108695079 A CN108695079 A CN 108695079A CN 201810543307 A CN201810543307 A CN 201810543307A CN 108695079 A CN108695079 A CN 108695079A
- Authority
- CN
- China
- Prior art keywords
- elevating lever
- cabinet
- swinging plate
- square hole
- push rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
- H01H3/161—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift for actuation by moving a closing member, e.g. door, cover or lid
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Security & Cryptography (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a kind of explosion proof control cases that can be automatically cut off the power, including cabinet, it is equipped with opening in the front of cabinet, it is rotatably assorted connecting cabinet door by hinge in the side of opening, transverse slat there are two being set on the one of madial wall of cabinet, it is equipped with square hole on each transverse slat, elevating lever is equipped in square hole, elevating lever can slide up and down in square hole, external part side above elevating lever is equipped with upper swinging plate and lower swinging plate, upper swinging plate and lower swinging plate are correspondingly arranged up and down, upper clamping boss is equipped on the downside of upper swinging plate, lower clamping boss is equipped on the upside of lower swinging plate, total power switch is housed in cabinet, the switch shift lever of total power switch is arranged between upper swinging plate and lower swinging plate.Advantages of the present invention:When opening cabinet door, total power switch disconnects this explosion proof control case under by the upper and lower swinging plate effect on elevating lever, realizes the function of automatically powering off, security performance is high, eliminates the security risk of livewire work.
Description
Technical field
The present invention relates to electrical explosion proof technical field more particularly to a kind of explosion proof control cases that can be automatically cut off the power.
Background technology
It often will produce flammable explosion hazard gases or powder in the production process of the industrial departments such as oil, coal, weaving, chemistry
The surrounding air of dirt, this kind of production unit often has explosivity because being contaminated with flammable explosion hazard gases or dust, once it is bright
Fire, which is lighted, to be occurred heavy explosion and causes a serious accident.Appliance working equipment in above-mentioned environment is produced in the process of running
Raw electric spark is the one of the major reasons for causing this kind of accident, because extraneous explosive gases are often through electrical equipment
Housing slot is deep into the inside of electrical equipment;Superheating phenomenon can occur in the process of running for electrical equipment, can also be set from electric appliance
Flammable explosion hazard gases is decomposed to give off in insulating oil or other organic insulation substrates in standby;So, once electrical equipment generates
The flammable explosion hazard gases of spark, enclosure may be ignited and explode, while it is also possible to ignite in exterior space
Flammable explosion hazard gases and cause a serious accident.
To avoid the generation of above-mentioned accident, the electric appliance to work in flammable explosive atmosphere is usually put into a sealing
Flame proof cabinet in, to completely cut off contact of the flammable explosion hazard gases with electric appliance, therefore when opening the door, work must be powered off in explosion-proof tank
Industry.And used explosion proof control case is needed to power off manually, cannot be automatically powered off, there are certain peaces when opening the door at this stage
Full hidden danger.
Invention content
The purpose of the present invention is to solve disadvantages existing in the prior art, and the one kind proposed can automatically cut off electricity
The explosion proof control case in source.
To achieve the goals above, present invention employs following technical solutions:
A kind of explosion proof control case that can be automatically cut off the power, including cabinet are equipped with opening, the one of opening in the front of cabinet
Side is rotatably assorted connecting cabinet door by hinge, it is characterised in that:Transverse slat there are two being set on the one of madial wall of cabinet, two
Transverse slat is horizontal and is correspondingly arranged up and down, and square hole is equipped on each transverse slat, the square hole on two transverse slats it is centrally disposed
On the same axis, elevating lever is equipped in square hole, elevating lever sequentially passes through two square holes, and elevating lever can be in square hole
It inside slides up and down, elevating lever upper end is extend out to outside the square hole of top transverse slat, and elevating lever lower end extend out to the rectangular of lower section transverse slat
Outside hole, external part side above elevating lever is equipped with upper swinging plate and lower swinging plate, right above and below upper swinging plate and lower swinging plate
Should be arranged, on the downside of upper swinging plate be equipped with upper clamping boss, on the upside of lower swinging plate be equipped with lower clamping boss, upper clamping boss and
Lower clamping boss is correspondingly arranged, and total power switch is housed in cabinet, and the switch shift lever of total power switch is arranged in upper swinging plate
Between lower swinging plate, the pushing meanss for pushing elevating lever to rise are equipped in elevating lever lower end, between two transverse slats also
Equipped with the first resetting apparatus for controlling elevating lever decline.
Preferably, it is rectangular that the elevating lever, which is cross section, and the inside surrounding of each square hole is equipped with advance ball, institute
Elevating lever is stated to slide up and down along square hole by advance ball.
Preferably, first resetting apparatus includes first baffle, and first baffle is socketed on the outside of elevating lever, in first gear
Be connected the first spring being vertically arranged between plate and the transverse slat of top, and the elevating lever is passed through out of first spring, and first
Spring upper end is fixedly connected with the transverse slat of top, and the first lower spring end is fixedly connected with first baffle.
Preferably, the pushing meanss include two risers, and two risers are fixedly connected on the inside bottom plate of cabinet,
Sliding circular hole, two sliding circular hole coaxial settings are equipped on each riser;
Pushing meanss further include push rod, and push rod is passed through out of two sliding circular holes successively, and corresponding sliding is stretched out at push rod both ends
On the outside of circular hole, in open at one end mating connection voussoir of the push rod far from cabinet, voussoir setting corresponding with the elevating lever lower end,
And the inclined surface gradient of voussoir is identical as the slope of elevating lever lower end, one end and the cabinet door that push rod is open towards cabinet
It is oppositely arranged.
Preferably, the second resetting apparatus being connected between two risers for popping up push rod.
Preferably, second resetting apparatus includes second baffle, and second baffle is socketed on the outside of push rod, in second baffle
Be connected horizontally disposed second spring between the riser far from cabinet opening, and the push rod is worn out of described second spring
It crosses, second spring one end is fixedly connected on second baffle, and the second spring other end is fixedly connected with riser.
Preferably, the external part side above the elevating lever is arranged with two straight circle straight slots, is set in elevating lever side
There are two connecting plate, it is all provided on each connecting plate there are two mounting hole, two mounting holes are set with two straight circle straight slot one-to-one correspondence
It sets, each connecting plate is fixedly connected on elevating lever side by two matched bolts and two nuts, and each bolt is equal
It is passed through out of corresponding mounting hole and straight circle straight slot successively.
The advantage of the invention is that:For this explosion proof control case when opening cabinet door, total power switch is on by elevating lever
Poke hole effect is lower to be disconnected, and the function of automatically powering off is realized, when cabinet cabinet door is closed, cabinet cabinet door by push rod jacking inwardly,
Elevating lever is driven to rise by voussoir, the poke hole on elevating lever drives total power switch to be closed, and security performance is high, eliminates
The security risk of livewire work.
Description of the drawings
Fig. 1 is the basic structure schematic diagram of the present invention;
Fig. 2 is the attachment structure schematic diagram of upper swinging plate, lower swinging plate and elevating lever;
Fig. 3 is the structural schematic diagram when cabinet door of cabinet is opened.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, Figure 2 and Figure 3, a kind of explosion proof control case that can be automatically cut off the power provided by the invention, including
Cabinet 1 is equipped with opening in the front of cabinet 1, is rotatably assorted connecting cabinet door 1.1 by hinge in the side of opening, in cabinet door 1.1
Equipped with the locking buckle locked with cabinet 1, locking mode is the prior art.
Two transverse slats 2 are welded and fixed on 1 one of madial wall of cabinet, two transverse slats 2 are horizontal and are correspondingly arranged up and down,
It is equipped with square hole on each transverse slat 2, advance ball, the side on two transverse slats 2 are equipped on each inner wall of square hole
The centrally disposed of shape hole is equipped with elevating lever 3 in square hole on the same axis, and elevating lever 3 sequentially passes through two square holes, rises
Drop bar 3 can be slided up and down by advance ball along square hole.3 upper end of elevating lever is extend out to outside the square hole of top transverse slat 2, is risen
3 lower end of drop bar is extend out to outside the square hole of lower section transverse slat 2, and the external part side of 3 top of the elevating lever is arranged with two directly
Circle straight slot 3.4 is set in 3 side of elevating lever there are two connecting plate 3.5, is all provided on each connecting plate 3.5 there are two mounting hole, two
Mounting hole is arranged in a one-to-one correspondence with two straight circle straight slots 3.4, and each connecting plate 3.5 passes through two 3.6 Hes of matched bolt
Two nuts 3.7 are fixedly connected on 3 side of elevating lever, and each bolt 3.6 is successively from corresponding mounting hole and straight circle straight slot 3.4
It inside passes through, 3.5 side of connecting plate is fixedly connected with clamping boss 3.31 wherein, solid in another 3.5 side of connecting plate
Clamping boss 3.21 under fixed connection.Upper swinging plate 3.3 and about 3.2 lower swinging plate are correspondingly arranged, and are set in 3.3 downside of upper swinging plate
There is upper clamping boss 3.31, is equipped with lower clamping boss 3.21 in 3.2 upside of lower swinging plate, upper clamping boss 3.31 and lower clamping are convex
Platform 3.21 is oppositely arranged, and total power switch 5 is housed in cabinet 1, and the setting of switch shift lever 5.1 of total power switch 5 is stirred upper
Between plate 3.3 and lower swinging plate 3.2.By the way that straight circle straight slot 3.4 is arranged on elevating lever 3, adjustment above swinging plate 3.3 can be facilitated
Gap size between lower swinging plate 3.2.Clamping boss 3.31 upper in this way can be engaged by clamping always with lower clamping boss 3.21
The switch shift lever 5.1 of power switch 5.
The pushing meanss 11 for pushing elevating lever 3 to rise are equipped in 3 lower end of elevating lever, pushing meanss 11 include two vertical
Plate 6, two risers 6 are weldingly fixed on the inside bottom plate of cabinet 1, and sliding circular hole, two cunnings are equipped on each riser 6
Dynamic circular hole coaxial setting, linear bearing is equipped in each sliding circular hole.
Pushing meanss 11 further include push rod 7, and push rod 7 is passed through out of two sliding circular holes successively, and push rod 7 passes through linear bearing
It can be moved back and forth in sliding circular hole, 7 both ends of push rod are stretched out on the outside of corresponding sliding circular hole, in push rod 7 far from cabinet 1
Open at one end be welded and fixed voussoir 9, the setting corresponding with 3 lower end of the elevating lever of voussoir 9, and the inclined surface gradient of voussoir 9 with
The slope of 3 lower end of elevating lever is identical, and push rod 7 is oppositely arranged towards one end that cabinet 1 is open with the cabinet door 1.1.In cabinet
The limiting plate 10 for being limited to voussoir 9 is also welded and fixed on the inside bottom plate of body 1.
The second resetting apparatus being connected between two risers 6 for popping up push rod 7.Second resetting apparatus
Including second baffle 7.1, it is equipped with the second sleeve joint hole at the center of second baffle 7.1, second baffle 7.1 passes through the second sleeve joint hole set
It connects and is fixed on the outside of push rod 7, be connected horizontally disposed the between second baffle 7.1 and the riser 6 being open far from cabinet 1
Two springs 8, push rod 7 are passed through out of the second spring 8, and 8 one end of second spring is fixedly connected on second baffle 7.1, and second
8 other end of spring is fixedly connected with riser 6.
The first resetting apparatus for controlling the decline of elevating lever 3 is additionally provided between two transverse slats 2.First resetting apparatus packet
First baffle 3.1 is included, the first sleeve joint hole is equipped at the center of first baffle 3.1, first baffle 3.1 is socketed by the first sleeve joint hole
In 3 outside of elevating lever.Be connected the first spring 4 being vertically arranged between the transverse slat 2 of first baffle 3.1 and top, described
Elevating lever 3 is passed through out of first spring 4, and 4 upper end of the first spring is fixedly connected with the transverse slat 2 of top, 4 lower end of the first spring and the
One baffle 3.1 is fixedly connected.
When in use, when the cabinet door 1.1 of cabinet 1 is closed, as shown in Figure 1, during closing cabinet door 1.1, cabinet door
1.1 push the Slideslip into cabinet 1 of push rod 7, and push rod 7 moves inward with dynamic voussoir 9, while voussoir 9 moves inward, lead to
The inclined surface for crossing voussoir 9 squeezes the inclined-plane of 3 lower end of elevating lever, and elevating lever 3 is under the extruding of voussoir 9 along the square hole of transverse slat 2
Rise, in uphill process, by the lower clamping boss 3.21 of lower swinging plate 3.2 drive the switch shift lever 5.1 of total power switch 5 to
Total power switch 5 is closed by upper rotation.
When the cabinet door 1.1 of cabinet 1 is opened, as shown in figure 3, during opening cabinet door 1.1, push rod 7 is in the second bullet
Outside Slideslip under the elastic force effect of spring 8, while voussoir 9 moves outward, elevating lever 3 is under the elastic force effect of the first spring 4
Downward Slideslip drives total electricity during elevating lever 3 declines to downside by the upper clamping boss 3.31 of upper swinging plate 3.3
The switch shift lever 5.1 of source switch 5 rotates down, and total power switch 5 is disconnected, and improves the security performance of this explosion proof control case,
Eliminate security risk.
Claims (7)
1. a kind of explosion proof control case that can be automatically cut off the power, including cabinet(1), in cabinet(1)Front be equipped with opening,
The side of opening is rotatably assorted connecting cabinet door by hinge(1.1), it is characterised in that:In cabinet(1)On one of madial wall
If there are two transverse slats(2), two transverse slats(2)It is horizontal and be correspondingly arranged up and down, in each transverse slat(2)On be equipped with square hole, two
A transverse slat(2)On square hole it is centrally disposed on the same axis, in square hole be equipped with elevating lever(3), elevating lever(3)According to
It is secondary to pass through two square holes, elevating lever(3)It can be slided up and down in square hole, elevating lever(3)Upper end extend out to top transverse slat
(2)Square hole outside, elevating lever(3)Lower end extend out to lower section transverse slat(2)Square hole outside, in elevating lever(3)The stretching of top
Side is held to be equipped with upper swinging plate(3.3)With lower swinging plate(3.2), upper swinging plate(3.3)With lower swinging plate(3.2)Correspondence is set up and down
It sets, in upper swinging plate(3.3)Downside is equipped with upper clamping boss(3.31), in lower swinging plate(3.2)Upside is equipped with lower clamping boss
(3.21), upper clamping boss(3.31)With lower clamping boss(3.21)It is correspondingly arranged, in cabinet(1)It is interior that total power switch is housed
(5), total power switch(5)Switch shift lever(5.1)It is arranged in upper swinging plate(3.3)With lower swinging plate(3.2)Between, it is lifting
Bar(3)Lower end is equipped with for pushing elevating lever(3)The pushing meanss of rising(11), in two transverse slats(2)Between be additionally provided with and be used for
Control elevating lever(3)The first resetting apparatus declined.
2. a kind of explosion proof control case that can be automatically cut off the power according to claim 1, it is characterised in that:The lifting
Bar(3)It is rectangular for cross section, the inside surrounding of each square hole is equipped with advance ball, the elevating lever(3)Pass through sliding
Ball can be slided up and down along square hole.
3. a kind of explosion proof control case that can be automatically cut off the power according to claim 1, it is characterised in that:Described first
Resetting apparatus includes first baffle(3.1), first baffle(3.1)It is socketed in elevating lever(3)Outside, in first baffle(3.1)With
The transverse slat of top(2)Between be connected the first spring being vertically arranged(4), the elevating lever(3)From the first spring(4)Inside wear
It crosses, the first spring(4)The transverse slat of upper end and top(2)It is fixedly connected, the first spring(4)Lower end and first baffle(3.1)It is fixed
Connection.
4. a kind of explosion proof control case that can be automatically cut off the power according to claim 1, it is characterised in that:The promotion
Device(11)Including two risers(6), two risers(6)It is fixedly connected in cabinet(1)Inside bottom plate on, in each riser
(6)On be equipped with sliding circular hole, two sliding circular hole coaxials settings;
Pushing meanss(11)It further include push rod(7), push rod(7)It is passed through out of two sliding circular holes successively, push rod(7)It stretches at both ends
Go out on the outside of corresponding sliding circular hole, in push rod(7)Far from cabinet(1)Open at one end mating connection voussoir(9), voussoir(9)With
The elevating lever(3)The corresponding setting in lower end, and voussoir(9)Inclined surface gradient and elevating lever(3)The slope phase of lower end
Together, push rod(7)Towards cabinet(1)One end of opening and the cabinet door(1.1)It is oppositely arranged.
5. a kind of explosion proof control case that can be automatically cut off the power according to claim 4, it is characterised in that:In two institutes
State riser(6)Between be connected for by push rod(7)Second resetting apparatus of pop-up.
6. a kind of explosion proof control case that can be automatically cut off the power according to claim 1, it is characterised in that:Described second
Resetting apparatus includes second baffle(7.1), second baffle(7.1)It is socketed in push rod(7)Outside, in second baffle(7.1)With it is remote
From cabinet(1)The riser of opening(6)Between be connected horizontally disposed second spring(8), the push rod(7)From described second
Spring(8)It inside passes through, second spring(8)One end is fixedly connected on second baffle(7.1)On, second spring(8)The other end with it is vertical
Plate(6)It is fixedly connected.
7. a kind of explosion proof control case that can be automatically cut off the power according to claim 1, it is characterised in that:The lifting
Bar(3)The external part side of top is arranged with two straight circle straight slots(3.4), in elevating lever(3)Side is set there are two connecting plate
(3.5), each connecting plate(3.5)On be all provided with there are two mounting hole, two mounting holes directly justify straight slots with two(3.4)It corresponds
Setting, each connecting plate(3.5)Pass through two matched bolts(3.6)With two nuts(3.7)It is fixedly connected on lifting
Bar(3)Side, each bolt(3.6)Successively from corresponding mounting hole and straight circle straight slot(3.4)It inside passes through, the upper clamping is convex
Platform(3.31)It is fixedly connected on one of connecting plate(3.5)Side, lower clamping boss(3.21)It is fixedly connected on another company
Fishplate bar(3.5)Side.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810543307.4A CN108695079A (en) | 2018-05-31 | 2018-05-31 | A kind of explosion proof control case that can be automatically cut off the power |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810543307.4A CN108695079A (en) | 2018-05-31 | 2018-05-31 | A kind of explosion proof control case that can be automatically cut off the power |
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Publication Number | Publication Date |
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CN108695079A true CN108695079A (en) | 2018-10-23 |
Family
ID=63848085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810543307.4A Pending CN108695079A (en) | 2018-05-31 | 2018-05-31 | A kind of explosion proof control case that can be automatically cut off the power |
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CN (1) | CN108695079A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110095289A (en) * | 2019-06-14 | 2019-08-06 | 寇宇 | A kind of motor car engine detection device |
CN110213917A (en) * | 2019-06-13 | 2019-09-06 | 二工防爆科技股份有限公司 | A kind of interlock of linkage self-locking explosion proof control case |
CN110213916A (en) * | 2019-06-13 | 2019-09-06 | 二工防爆科技股份有限公司 | A kind of linkage self-locking explosion proof control case |
CN110213915A (en) * | 2019-06-13 | 2019-09-06 | 二工防爆科技股份有限公司 | A kind of explosion proof control case |
CN112055488A (en) * | 2019-06-05 | 2020-12-08 | 二工防爆科技股份有限公司 | Explosion-proof box capable of opening door and cutting off power |
CN117277073A (en) * | 2023-03-27 | 2023-12-22 | 山东瑞邦电气有限公司 | High-voltage board of quick outage can open door |
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CN203521993U (en) * | 2013-11-08 | 2014-04-02 | 淮南市六信电控设备有限责任公司 | Explosion-proof type starter used for mining |
CN105280425A (en) * | 2014-07-21 | 2016-01-27 | 昌辉汽车电器(黄山)股份公司 | Automobile ignition switch |
CN207321723U (en) * | 2017-10-30 | 2018-05-04 | 黑龙江交通职业技术学院 | One kind automation electrical control cabinet |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN203521993U (en) * | 2013-11-08 | 2014-04-02 | 淮南市六信电控设备有限责任公司 | Explosion-proof type starter used for mining |
CN105280425A (en) * | 2014-07-21 | 2016-01-27 | 昌辉汽车电器(黄山)股份公司 | Automobile ignition switch |
CN207321723U (en) * | 2017-10-30 | 2018-05-04 | 黑龙江交通职业技术学院 | One kind automation electrical control cabinet |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112055488A (en) * | 2019-06-05 | 2020-12-08 | 二工防爆科技股份有限公司 | Explosion-proof box capable of opening door and cutting off power |
CN110213917A (en) * | 2019-06-13 | 2019-09-06 | 二工防爆科技股份有限公司 | A kind of interlock of linkage self-locking explosion proof control case |
CN110213916A (en) * | 2019-06-13 | 2019-09-06 | 二工防爆科技股份有限公司 | A kind of linkage self-locking explosion proof control case |
CN110213915A (en) * | 2019-06-13 | 2019-09-06 | 二工防爆科技股份有限公司 | A kind of explosion proof control case |
CN110213917B (en) * | 2019-06-13 | 2020-12-01 | 二工防爆科技股份有限公司 | Interlocking device of linkage self-locking explosion-proof control cabinet |
CN110095289A (en) * | 2019-06-14 | 2019-08-06 | 寇宇 | A kind of motor car engine detection device |
CN117277073A (en) * | 2023-03-27 | 2023-12-22 | 山东瑞邦电气有限公司 | High-voltage board of quick outage can open door |
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PB01 | Publication | ||
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Application publication date: 20181023 |