CN107895664A - A kind of door opening electrical outage explosion-proof tank - Google Patents
A kind of door opening electrical outage explosion-proof tank Download PDFInfo
- Publication number
- CN107895664A CN107895664A CN201810020728.9A CN201810020728A CN107895664A CN 107895664 A CN107895664 A CN 107895664A CN 201810020728 A CN201810020728 A CN 201810020728A CN 107895664 A CN107895664 A CN 107895664A
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- CN
- China
- Prior art keywords
- plate
- door
- cam
- switch
- outside
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 230000013011 mating Effects 0.000 claims description 2
- 238000004880 explosion Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
- H01H9/226—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts the casing containing electrical equipment other than and operated by the switch
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a kind of door opening electrical outage explosion-proof tank, including the anterior casing for being provided with opening, be open the be hinged door-plate in side, opposite side is provided with folded plate, door-plate is socketed the first cam, branch sleeve on the outside of casing, and the first spring and push rod are provided with sleeve, push rod front end is hinged the second cam corresponding with the first cam, and the second cam corresponds to compression fit breaker device；Installation and the second switch of door-plate corresponding matching in casing, 3rd switch is also installed in the outside of door-plate, iron plate is provided with the inner side of door-plate, electromagnet is connected on folded plate, electromagnet connects pressing plate by connecting rod, depression bar is installed in pressing plate, the 4th switch corresponding with depression bar is installed on folded plate, outside the enclosure side installation oil cylinder, oil cylinder connect U-shaped buckle by pressing plate, and U-shaped buckle is used for snapping and fixes folded plate and door-plate.Advantages of the present invention：Present apparatus knot, which opens the door and closed the door, uses interlocking mechanism, securely and reliably, powers off, closes the door in enabling explosion-proof tank, door is not easy to loosen by auto lock.
Description
Technical field
The present invention relates to explosion-proof tank technical field, more particularly to a kind of door opening electrical outage explosion-proof tank.
Background technology
Flammable explosion hazard gases or powder are often produced in the production process of the industrial departments such as oil, coal, weaving, chemistry
Dirt, the surrounding air of this kind of production unit often have 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 one of major reason 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 electric equipment, can also be set from electrical equipment
Flammable explosion hazard gases is decomposed to give off in insulating oil or other organic insulation substrates in standby；So, once electric equipment produces
Spark, the flammable explosion hazard gases of 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 electrical equipment to be worked in flammable explosive atmosphere is generally put into a sealing
Flameproof cabinet in, to completely cut off contact of the flammable explosion hazard gases with electrical equipment, therefore when opening the door, work must be powered off in explosion-proof tank
Industry, at closing time, it is also desirable to good seal performance, it is impossible to allow flammable explosion hazard gases or dust to enter in casing, otherwise two kinds of situations
It is respectively provided with the risk exploded.And used explosion-proof tank at this stage, when opening the door, it is necessary to power off manually, it is impossible to from dynamic circuit breaker
Electricity, this there is this great risk, and at closing time, common way is to set sealing gasket between the door-plate for the distribution box,
Implement preferably sealing to casing, then reach explosion-proof purpose.It is but close at the door-plate and doorframe of such most distribution box
It is not ideal enough to seal effect, easily voluntarily loosens, then causes certain potential safety hazard.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of door opening electrical outage proposed is explosion-proof
Case.
To achieve these goals, present invention employs following technical scheme：
A kind of door opening electrical outage explosion-proof tank, including casing, opening is provided with the front portion of casing, it is characterised in that：In the side of opening
By the first be hinged axis connection door-plate, the first cam is socketed on the first jointed shaft, is connected in the outside of casing by fixed plate
Sleeve, sleeve is interior to be provided with the first spring, and push rod is also slidably connected in the sleeve on front side of the first spring, is stretched on front side of push rod
Go out the outside of sleeve, be correspondingly arranged in push rod front end by the second be hinged cam of axis connection second, the second cam with the first cam,
Second cam corresponds to compression fit breaker device；
Breaker device includes the open fixed cylinder in side, and be connected push rod in fixed cylinder, and fixed cylinder is stretched out in the outside of push rod
Outside, ball is inlayed on the outside of push rod, ball and the second cam contact coordinate, and baffle ring is connected on push rod, and baffle ring is arranged on solid
In safety barrel, second spring is socketed on the push rod on the inside of baffle ring, pilot hole is provided with the bottom of fixed cylinder, is set on front side of pilot hole
There is first switch, first switch is connected on the main road of the power supply circuit in explosion-proof tank, and the 3rd spring is additionally provided with pilot hole；
Folded plate is provided with the opposite side of opening, installation and the second switch of door-plate corresponding matching in casing, in the outside of door-plate
The also switch of installation the 3rd, is provided with iron plate in the inner side of door-plate, ladder hole is provided with folded plate, is set in the aperture of ladder hole
There is electromagnet, second switch, the 3rd switch and electromagnet are connected in same control loop, and electromagnet connection connecting rod, connecting rod connects
Pressing plate is connect, the 4th spring is connected in the inner side of pressing plate, guide cylinder is installed in ladder hole, wherein pacified in the 4th spring
Depression bar is filled, installation the 4th switchs in guide cylinder corresponding to depression bar, depression bar and the 4th switchs corresponding matching；
Outside the enclosure side installation oil cylinder, pressing plate is connected on the piston rod of oil cylinder, one group of guide rod is also installed in outside the enclosure side, often
The uniform pressing plate of individual guide rod, which is oriented to, to be coordinated, and pressing plate connects U-shaped buckle by contiguous block, U-shaped buckle be used for snapping fix folded plate and
Door-plate.
Preferably, the guide rod is round bar, and one group of linear bearing is installed on the pressing plate, and each linear bearing covers
It is connected on corresponding guide rod.
Preferably, the oil cylinder is arranged between the guide rod, is arranged in oil cylinder by bottom plate on the casing.
Preferably, handle is connected in the outside of the door-plate.
Preferably, first cam is fixedly connected on the door-plate, and the first cam follows door-plate to rotate together.
Preferably, second cam can freely rotate around second jointed shaft.
The advantage of the invention is that：The present apparatus is simple in construction, and opening the door and closing the door uses interlocking mechanism, easy to operate, peace
It is complete reliable, when door is opened, the state of power-off can be in explosion-proof tank, ensure it is safe, at closing time, when door-plate and door frame contact
Afterwards, door is by auto lock, and door-plate is not easy to loosen, and cost is low.
Brief description of the drawings
Fig. 1 is the basic structure schematic diagram of the present invention；
Fig. 2 is Fig. 1 A portions enlarged drawing；
Fig. 3 is Fig. 1 B portions enlarged drawing.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
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 door opening electrical outage explosion-proof tank provided by the invention, including casing 1, in casing 1
Front portion is provided with opening, and door-plate 3 is connected by the first jointed shaft 2 in the side of opening, and handle 36 is connected in the outside of door-plate 3,
The first cam 4 is socketed on first jointed shaft 2, the first cam 4 is fixedly connected on door-plate 3, and the first cam 4 follows door-plate 3 together
Rotate.In the outside of casing 1 by the branch sleeve 6 of fixed plate 5, sleeve 6 is interior to be provided with the first spring 8, in the front side of the first spring 8
Push rod 7 is also slidably connected in sleeve 6, the outside of sleeve 6 is stretched out in the front side of push rod 7, be hinged by second in the front end of push rod 7
Axle 9 connects the second cam 10, and the second cam 10 can freely rotate around the second jointed shaft 9.Second cam 10 and the first cam 4 are right
It should set, 10 corresponding compression fit breaker device of the second cam, the groove inwardly set, power-off are provided with the side wall of casing 1
Device is arranged in groove.
Breaker device is including the open fixed cylinder 11 in side, the mating connection push rod 13 in fixed cylinder 11, outside push rod 13
Side is stretched out outside fixed cylinder 11, ball 14 is inlayed in the outside of push rod 13, ball 14 is engaged with the second cam 10, in push rod 13
Upper connection baffle ring 15, baffle ring 15 are arranged in fixed cylinder 11, second spring 16 are socketed on the push rod 13 of the inner side of baffle ring 15, solid
The bottom of safety barrel 11 is provided with pilot hole 12, is provided with first switch 17 in the front side of pilot hole 12, first switch 17 is connected to explosion-proof tank
On the main road of interior power supply circuit, the 3rd spring 18 is additionally provided with pilot hole 12.
Folded plate 22 is provided with the opposite side of opening, installation and the second switch 19 of the corresponding matching of door-plate 3 in casing 1,
The 3rd switch 20 is also installed in the outside of door-plate 3, is provided with iron plate 24 in the inner side of door-plate 3, ladder hole 23 is provided with folded plate 22,
Electromagnet 21 is provided with the aperture of ladder hole 23, the switch of second switch the 19, the 3rd 20 and electromagnet 21 are connected to same control
On loop processed, electromagnet 21 connects connecting rod 25, and connecting rod 25 connects pressing plate 26, and the 4th spring 28 is connected in the inner side of pressing plate 26,
Installation guide cylinder 27 in ladder hole 23, in installation depression bar 38 wherein in the 4th spring 28, it is being oriented to corresponding to depression bar 38
The switch of installation the 4th 39 in cylinder 27, depression bar 38 and the 4th switchs 39 corresponding matchings.
Mounting base 29 is gone back between the guide rod 32, oil cylinder 30 is fixedly connected with bottom plate 29, in the work of oil cylinder 30
Pressing plate 31 is connected on stopper rod, one group of guide rod 32 is also installed in the outside of casing 1, guide rod 32 is round bar, and each guide rod 32 is equal
Even pressing plate 31, which is oriented to, to be coordinated, and one group of linear bearing 33 is installed on the pressing plate 31, each linear bearing 33 is socketed in accordingly
On guide rod 32.Pressing plate 31 connects U-shaped buckle 35 by contiguous block 34, and U-shaped buckle 35 is used for snapping and fixes folded plate 22 and door-plate
3。
During enabling, by pulling 36 door-plates 3 of handle to be turned out around jointed shaft 2, when door-plate 3 is turned out, the
One cam 4 follows door-plate 3 to rotate together, and the first cam 4 promotes the second cam 10 to rotate and retreated simultaneously, and the second cam 10 is compressed and pushed away
Bar 13 inwardly moves, and push rod 13, which compresses first switch 17, makes its disconnection so that the circuit in explosion-proof tank is in the state of power-off.When
At closing time, above-mentioned action is opposite so that the power on circuitry that first switch 17 is closed in explosion-proof tank, while when door-plate 3 closes in place,
Door-plate 3 contacts second switch 19, and second switch 19, which is closed, causes electromagnet 21 to obtain Electro Sorb iron plate 24, while with dynamic pressure plate 26
Move so that depression bar 38 compresses the 4th switch 39 so that oil cylinder 30 starts, and drives U-shaped buckle 35 to be used to clasp the fixed He of folded plate 22
Door-plate 3.When opening the door, pressing the 3rd switch 20 makes the dead electricity of electromagnet 21, and depression bar 38 resets, and the 4th switch 39 disconnects, oil cylinder 30
Reset, U-shaped buckle 35 is removed, and is manually pulled open handle 36 and is opened door-plate 3.
Claims (6)
1. a kind of door opening electrical outage explosion-proof tank, including casing（1）, in casing（1）Front portion be provided with opening, it is characterised in that：Opening
The side of mouth passes through the first jointed shaft（2）Connect door-plate（3）, in the first jointed shaft（2）The first cam of upper socket（4）, in casing
（1）Outside pass through fixed plate（5）Branch sleeve（6）, sleeve（6）Inside it is provided with the first spring（8）, in the first spring（8）Front side
Sleeve（6）Inside also it is slidably connected push rod（7）, push rod（7）Front side stretch out sleeve（6）Outside, in push rod（7）Front end
Pass through the second jointed shaft（9）Connect the second cam（10）, the second cam（10）With the first cam（4）It is correspondingly arranged, the second cam
（10）Corresponding compression fit breaker device；
Breaker device includes the open fixed cylinder in side（11）, in fixed cylinder（11）Interior mating connection push rod（13）, push rod（13）
Outside stretch out fixed cylinder（11）Outside, in push rod（13）Outside inlay ball（14）, ball（14）With the second cam（10）Connect
Touch and coordinate, in push rod（13）Upper connection baffle ring（15）, baffle ring（15）It is arranged on fixed cylinder（11）It is interior, in baffle ring（15）Inner side pushes away
Bar（13）Upper socket second spring（16）, in fixed cylinder（11）Bottom be provided with pilot hole（12）, in pilot hole（12）Front side is set
There is first switch（17）, first switch（17）On the main road for the power supply circuit being connected in explosion-proof tank, in pilot hole（12）It is interior to go back
Provided with the 3rd spring（18）；
Folded plate is provided with the opposite side of opening（22）, in casing（1）Interior installation and door-plate（3）The second switch of corresponding matching
（19）, in door-plate（3）Outside also install the 3rd switch（20）, in door-plate（3）Inner side be provided with iron plate（24）, in folded plate（22）
It is provided with ladder hole（23）, in ladder hole（23）Aperture in be provided with electromagnet（21）, second switch（19）, the 3rd switch
（20）And electromagnet（21）It is connected in same control loop, electromagnet（21）Connect connecting rod（25）, connecting rod（25）Connect pressing plate
（26）, in pressing plate（26）Inner side connect the 4th spring（28）, in ladder hole（23）Interior installation guide cylinder（27）, wherein one
Individual 4th spring（28）Interior installation depression bar（38）, in depression bar（38）Corresponding guide cylinder（27）The interior switch of installation the 4th（39）, pressure
Bar（38）With the 4th switch（39）Corresponding matching；
In casing（1）Outside installation oil cylinder（30）, in oil cylinder（30）Piston rod on connect pressing plate（31）, in casing（1）Outside
One group of guide rod is also installed（32）, each guide rod（32）Uniform pressing plate（31）It is oriented to and coordinates, pressing plate（31）Pass through contiguous block
（34）Connect U-shaped buckle（35）, U-shaped buckle（35）Folded plate is fixed for snapping（22）And door-plate（3）.
A kind of 2. door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that：The guide rod（32）For round bar,
In the pressing plate（31）One group of linear bearing of upper installation（33）, each linear bearing（33）It is socketed in corresponding guide rod（32）
On.
A kind of 3. door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that：The oil cylinder（30）It is arranged on described
Guide rod（32）Between, in oil cylinder（30）Pass through bottom plate（29）Installed in the casing（1）On.
A kind of 4. door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that：In the door-plate（3）Outside connect
Connect handle（36）.
A kind of 5. door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that：First cam（4）It is fixed to connect
It is connected on the door-plate（3）On, the first cam（4）Follow door-plate（3）Rotate together.
A kind of 6. door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that：Second cam（10）Can be around
Second jointed shaft（9）Freely rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020728.9A CN107895664B (en) | 2018-01-10 | 2018-01-10 | A kind of door opening electrical outage explosion-proof tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810020728.9A CN107895664B (en) | 2018-01-10 | 2018-01-10 | A kind of door opening electrical outage explosion-proof tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107895664A true CN107895664A (en) | 2018-04-10 |
| CN107895664B CN107895664B (en) | 2019-06-28 |
Family
ID=61808971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810020728.9A Expired - Fee Related CN107895664B (en) | 2018-01-10 | 2018-01-10 | A kind of door opening electrical outage explosion-proof tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107895664B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937239A (en) * | 2018-08-06 | 2018-12-07 | 湖州宇声电子厂 | A kind of active audio amplifier wall type hanger |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012106180A2 (en) * | 2011-02-02 | 2012-08-09 | Magnasphere Corporation | Improved high security switch assembly |
| CN204011143U (en) * | 2014-09-04 | 2014-12-10 | 日升集团有限公司 | Switch cabinet door interlocking mechanism |
| CN205141403U (en) * | 2015-11-05 | 2016-04-06 | 上海蓝箭电控设备成套有限公司 | Novel switch cabinet |
| CN107546594A (en) * | 2017-10-09 | 2018-01-05 | 陕西创友汇企业孵化器有限公司 | A kind of low-voltage power distributing cabinet |
-
2018
- 2018-01-10 CN CN201810020728.9A patent/CN107895664B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012106180A2 (en) * | 2011-02-02 | 2012-08-09 | Magnasphere Corporation | Improved high security switch assembly |
| CN204011143U (en) * | 2014-09-04 | 2014-12-10 | 日升集团有限公司 | Switch cabinet door interlocking mechanism |
| CN205141403U (en) * | 2015-11-05 | 2016-04-06 | 上海蓝箭电控设备成套有限公司 | Novel switch cabinet |
| CN107546594A (en) * | 2017-10-09 | 2018-01-05 | 陕西创友汇企业孵化器有限公司 | A kind of low-voltage power distributing cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108937239A (en) * | 2018-08-06 | 2018-12-07 | 湖州宇声电子厂 | A kind of active audio amplifier wall type hanger |
| 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 |
| CN112055488B (en) * | 2019-06-05 | 2022-10-14 | 二工防爆科技股份有限公司 | Explosion-proof box capable of opening door and cutting off power |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107895664B (en) | 2019-06-28 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |