CN107895664B - A kind of door opening electrical outage explosion-proof tank - Google Patents

A kind of door opening electrical outage explosion-proof tank Download PDF

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Publication number
CN107895664B
CN107895664B CN201810020728.9A CN201810020728A CN107895664B CN 107895664 B CN107895664 B CN 107895664B CN 201810020728 A CN201810020728 A CN 201810020728A CN 107895664 B CN107895664 B CN 107895664B
Authority
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.)
Expired - Fee Related
Application number
CN201810020728.9A
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Chinese (zh)
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CN107895664A (en
Inventor
王仟
胡斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jinda Explosion-Proof Electric Co Ltd
Original Assignee
Anhui Jinda Explosion-Proof Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Jinda Explosion-Proof Electric Co Ltd filed Critical Anhui Jinda Explosion-Proof Electric Co Ltd
Priority to CN201810020728.9A priority Critical patent/CN107895664B/en
Publication of CN107895664A publication Critical patent/CN107895664A/en
Application granted granted Critical
Publication of CN107895664B publication Critical patent/CN107895664B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20Interlocking, locking, or latching mechanisms
    • H01H9/22Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • H01H9/226Interlocking, 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 tanks, the cabinet of opening is equipped with including front, be open the hinged door-plate in side, the other side is equipped with folded plate, door-plate is socketed the first cam, and sleeve is connected on the outside of cabinet, is equipped with the first spring and push rod in sleeve, the second cam that push rod front end hingedly corresponds to the first cam, the second cam correspond to compression fit breaker device;Second switch with door-plate corresponding matching is installed in cabinet, third switch is also installed in the outside of door-plate, iron plate is equipped in the inside of door-plate, electromagnet is connected on folded plate, electromagnet connects pressing plate by connecting rod, installs compression bar in pressing plate, the 4th switch corresponding with compression bar is installed on folded plate, side installation oil cylinder outside the enclosure, oil cylinder connect U-shaped buckle by pressing plate, and U-shaped buckle is for the fixed folded plate of snapping and door-plate.Advantages of the present invention: present apparatus knot opens the door and shutdown is all made of interlocking mechanism, and securely and reliably, power-off in enabling explosion-proof tank is closed the door, and door is not easy to loosen by automatically lock.

Description

A kind of door opening electrical outage explosion-proof tank
Technical field
The present invention relates to explosion-proof tank technical field more particularly to a kind of door opening electrical outage explosion-proof tanks.
Background technique
Flammable explosion hazard gases or powder are often generated in the production process of the industrial departments such as petroleum, 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 produces 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 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, interior of shell may be ignited and explode, while it is also possible to ignite in exterior space Flammable explosion hazard gases and cause a serious accident.
For the generation for avoiding above-mentioned accident, the electric appliance to work in flammable explosive atmosphere is usually put into a sealing Flameproof cabinet in, to completely cut off flammable explosion hazard gases with the contact of electric appliance, therefore work must be powered off when opening the door, in explosion-proof tank Industry, at closing time, it is also desirable to which good seal performance cannot allow flammable explosion hazard gases or dust to enter in cabinet, otherwise two kinds of situations All have the risk exploded.And used explosion-proof tank needs to power off manually when opening the door at this stage, it cannot be from dynamic circuit breaker Electricity, this there is this great risk, and at closing time, common way is that gasket is arranged between the door-plate for the distribution box, Preferable sealing is implemented to cabinet, is then achieved the purpose that explosion-proof.But the door-plate of such most distribution box and close at doorframe It is not ideal enough to seal effect, easily voluntarily loosens, then causes some potential safety problems.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of door opening electrical outage proposed is explosion-proof Case.
To achieve the goals above, present invention employs following technical solutions:
A kind of door opening electrical outage explosion-proof tank, including cabinet are equipped with opening in the front of cabinet, it is characterised in that: in opening Side is socketed the first cam on the first articulated shaft, passes through fixed plate on the outside of cabinet by the first hinged axis connection door-plate Sleeve is connected, the first spring is equipped in sleeve, is also slidably connected push rod in the sleeve on front side of the first spring, before push rod The outside of sleeve is stretched out in side, and in push rod front end by second hinged the second cam of axis connection, the second cam is corresponded to the first cam Setting, the second cam correspond to compression fit breaker device;
Breaker device includes the fixed cylinder of side opening, and be cooperatively connected push rod in fixed cylinder, and the outside of push rod is stretched out solid Outside safety barrel, ball is inlayed on the outside of push rod, ball and the second cam contact cooperate, and baffle ring, baffle ring setting are connected on push rod In fixed cylinder, it is socketed second spring on the push rod on the inside of baffle ring, pilot hole is equipped in the bottom of fixed cylinder, before pilot hole Side is equipped with first switch, and first switch is connected on the main road of the power supply circuit in explosion-proof tank, and third is additionally provided in pilot hole Spring;
It is equipped with folded plate in the other side of opening, the second switch with door-plate corresponding matching is installed in cabinet, in door-plate Third switch is also installed in outside, is equipped with iron plate in the inside of door-plate, ladder hole is equipped on folded plate, in the aperture of ladder hole Interior to be equipped with electromagnet, second switch, third switch and electromagnet are connected in same control loop, and electromagnet connects connecting rod, even Bar connects pressing plate, connects the 4th spring in the inside of pressing plate, guide cylinder is installed in ladder hole, wherein the 4th spring Interior installation compression bar installs the 4th switch, compression bar and the 4th switch corresponding matching in the corresponding guide cylinder of compression bar;
Side installation oil cylinder outside the enclosure connects pressing plate on the piston rod of oil cylinder, and one group of guiding is also installed in side outside the enclosure Bar, each uniform pressing plate guiding cooperation of guide rod, pressing plate connect U-shaped buckle by link block, and U-shaped buckle is for the fixed folding of snapping Plate and door-plate.
Preferably, the guide rod is round bar, one group of linear bearing is installed on the pressing plate, each linear bearing covers It connects on corresponding guide rod.
Preferably, the oil cylinder is arranged between the guide rod, is mounted on the cabinet in oil cylinder by bottom plate.
Preferably, knob 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 be freely rotated around second articulated shaft.
The present invention has the advantages that present apparatus structure is simple, opens the door and shutdown is all made of interlocking mechanism, easy to operate, peace It is complete reliable, when door is opened, it can guarantee safety in the state of power-off in explosion-proof tank, at closing time, when door-plate and door frame contact Afterwards, door is by automatically lock, and door-plate is not easy to loosen, at low cost.
Detailed description of the invention
Fig. 1 is basic structure schematic diagram of the invention;
Fig. 2 is the portion the A enlarged drawing of Fig. 1;
Fig. 3 is the portion the B enlarged drawing of Fig. 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention 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 door opening electrical outage explosion-proof tank provided by the invention, including cabinet 1, in cabinet 1 Front is equipped with opening, connects door-plate 3 by the first articulated shaft 2 in the side of opening, connects knob 36 in the outside of door-plate 3, The first cam 4 is socketed on first articulated shaft 2, the first cam 4 is fixedly connected on door-plate 3, and the first cam 4 follows door-plate 3 together Rotation.Sleeve 6 is connected by fixed plate 5 in the outside of cabinet 1, the first spring 8 is equipped in sleeve 6, in 8 front side of the first spring 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, hinged by second in 7 front end of push rod Axis 9 connects the second cam 10, and the second cam 10 can be freely rotated around the second articulated shaft 9.Second cam 10 and the first cam 4 are right It should be arranged, the corresponding compression fit breaker device of the second cam 10 is equipped with the groove being inwardly arranged, power-off on the side wall of cabinet 1 Device is arranged in groove.
Breaker device includes the fixed cylinder 11 of side opening, the mating connection push rod 13 in fixed cylinder 11, push rod 13 it is outer Side is stretched out outside fixed cylinder 11, inlays ball 14 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 15 inside of baffle ring, solid The bottom of safety barrel 11 is equipped with pilot hole 12, and first switch 17 is equipped on front side of pilot hole 12, and first switch 17 is connected to explosion-proof tank On the main road of interior power supply circuit, third spring 18 is additionally provided in pilot hole 12.
It is equipped with folded plate 22 in the other side of opening, the second switch 19 with 3 corresponding matching of door-plate is installed in cabinet 1, Third switch 20 is also installed in the outside of door-plate 3, is equipped with iron plate 24 in the inside of door-plate 3, ladder hole 23 is equipped on folded plate 22, Electromagnet 21 is equipped in the aperture of ladder hole 23, second switch 19, third switch 20 and electromagnet 21 are connected to same control On circuit processed, electromagnet 21 connects connecting rod 25, and connecting rod 25 connects pressing plate 26, connects the 4th spring 28 in the inside of pressing plate 26, Guide cylinder 27 is installed in ladder hole 23, compression bar 38 is installed in wherein the 4th spring 28, in the corresponding guiding of compression bar 38 4th switch 39,39 corresponding matching of compression bar 38 and the 4th switch are installed in cylinder 27.
Mounting base 29 is gone back between the guide rod 32, oil cylinder 30 is fixedly connected on 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 1 outside of cabinet, guide rod 32 is round bar, and each guide rod 32 is The even guiding of pressing plate 31 cooperation, installs one group of linear bearing 33, each linear bearing 33 is socketed in accordingly on the pressing plate 31 On guide rod 32.Pressing plate 31 connects U-shaped buckle 35 by link block 34, and U-shaped buckle 35 is for the fixed folded plate 22 of snapping and door-plate 3。
When enabling, by pulling knob 36 to be turned out door-plate 3 around articulated 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 pushes the rotation of the second cam 10 while retreating, and the second cam 10 compression pushes 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 movement on the contrary, make first switch 17 close explosion-proof tank in power on circuitry, while when door-plate 3 close in place when, Door-plate 3 contacts second switch 19, second switch 19 close so that electromagnet 21 Electro Sorb iron plate 24, while under dynamic pressure plate 26 It moves, so that compression bar 38 compresses the 4th switch 39, so that oil cylinder 30 starts, drives U-shaped buckle 35 for clasping fixed 22 He of folded plate Door-plate 3.When opening the door, pressing third switch 20 makes 21 power loss of electromagnet, and compression bar 38 resets, and the 4th switch 39 disconnects, oil cylinder 30 It resets, U-shaped buckle 35 is removed, and opens door-plate 3 by pulling open knob 36 manually.

Claims (6)

1. a kind of door opening electrical outage explosion-proof tank, including cabinet (1) are equipped with opening in the front of cabinet (1), it is characterised in that: opening The side of mouth is socketed the first cam (4), in cabinet by the first articulated shaft (2) connection door-plate (3) on the first articulated shaft (2) (1) outside is by fixed plate (5) connection sleeve (6), and sleeve (6) is interior to be equipped with the first spring (8), on front side of the first spring (8) Sleeve (6) in be also slidably connected push rod (7), the outside of sleeve (6) is stretched out in the front side of push rod (7), in push rod (7) front end The second cam (10) are connected by the second articulated shaft (9), the second cam (10) is correspondingly arranged with the first cam (4), the second cam It (10) being capable of compression fit breaker device;
Breaker device includes the fixed cylinder (11) of side opening, in the interior mating connection push rod (13) of fixed cylinder (11), push rod (13) Outside stretch out fixed cylinder (11) outside, inlayed on the outside of push rod (13) ball (14), ball (14) connects with the second cam (10) Touching cooperation, connects baffle ring (15) on push rod (13), and baffle ring (15) setting is in fixed cylinder (11), pushing away on the inside of baffle ring (15) Second spring (16) are socketed on bar (13), pilot hole (12) is equipped in the bottom of fixed cylinder (11), is set on front side of pilot hole (12) Have first switch (17), first switch (17) is connected on the main road of the power supply circuit in explosion-proof tank, in pilot hole (12) also Equipped with third spring (18);
Folded plate (22) are equipped in the other side of opening, the second switch of installation and door-plate (3) corresponding matching in cabinet (1) (19), third switch (20) is also installed in the outside of door-plate (3), iron plate (24) is equipped in the inside of door-plate (3), in folded plate (22) It is equipped with ladder hole (23), is equipped with electromagnet (21) in the aperture of ladder hole (23), second switch (19), third switch (20) it is connected in same control loop with electromagnet (21), electromagnet (21) connects connecting rod (25), and connecting rod (25) connects pressing plate (26), the 4th spring (28) is connected in the inside of pressing plate (26), guide cylinder (27) is installed in the ladder hole (23), wherein one Compression bar (38) are installed in a 4th spring (28), the 4th switch (39) of installation, pressure in the corresponding guide cylinder (27) of compression bar (38) Bar (38) and the 4th switch (39) corresponding matching;
The installation oil cylinder (30) on the outside of cabinet (1), connects pressing plate (31) on the piston rod of oil cylinder (30), on the outside of cabinet (1) One group of guide rod (32) is also installed, uniformly the cooperation of pressing plate (31) guiding, pressing plate (31) pass through link block to each guide rod (32) (34) U-shaped buckle (35) is connected, U-shaped buckle (35) is for snapping fixed folded plate (22) and door-plate (3).
2. a kind of door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that: the guide rod (32) is round bar, One group of linear bearing (33) is installed on the pressing plate (31), each linear bearing (33) is socketed in corresponding guide rod (32) On.
3. a kind of door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that: the oil cylinder (30) is arranged described Between guide rod (32), oil cylinder (30) is mounted on the cabinet (1) by bottom plate (29).
4. a kind of door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that: connect on the outside of the door-plate (3) Connect knob (36).
5. a kind of door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that: first cam (4) is fixed to be connected It connects on the door-plate (3), the first cam (4) follows door-plate (3) to rotate together.
6. a kind of door opening electrical outage explosion-proof tank according to claim 1, it is characterised in that: second cam (10) can be around Second articulated shaft (9) is freely rotated.
CN201810020728.9A 2018-01-10 2018-01-10 A kind of door opening electrical outage explosion-proof tank Expired - Fee Related CN107895664B (en)

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

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CN107895664B true CN107895664B (en) 2019-06-28

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
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
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

Citations (4)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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

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Granted publication date: 20190628