EP2348523A4 - Explosion-proof key switch. - Google Patents

Explosion-proof key switch.

Info

Publication number
EP2348523A4
EP2348523A4 EP10826012.6A EP10826012A EP2348523A4 EP 2348523 A4 EP2348523 A4 EP 2348523A4 EP 10826012 A EP10826012 A EP 10826012A EP 2348523 A4 EP2348523 A4 EP 2348523A4
Authority
EP
European Patent Office
Prior art keywords
explosion
key switch
proof key
proof
switch
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
Application number
EP10826012.6A
Other languages
German (de)
French (fr)
Other versions
EP2348523A1 (en
EP2348523B1 (en
Inventor
Xiaoping Huang
Qiangli Wu
Zhenming Hu
Xuan Zhang
Qunxing He
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.)
Hangcha Group Co Ltd
Original Assignee
Hangcha Group 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 Hangcha Group Co Ltd filed Critical Hangcha Group Co Ltd
Publication of EP2348523A1 publication Critical patent/EP2348523A1/en
Publication of EP2348523A4 publication Critical patent/EP2348523A4/en
Application granted granted Critical
Publication of EP2348523B1 publication Critical patent/EP2348523B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/06—Key inserted and then turned to effect operation of the switch
    • 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
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H01H9/042—Explosion-proof cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/50—Driving mechanisms, i.e. for transmitting driving force to the contacts with indexing or locating means, e.g. indexing by ball and spring
EP10826012.6A 2009-10-28 2010-08-13 Explosion-proof key switch. Active EP2348523B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2009202688735U CN201608087U (en) 2009-10-28 2009-10-28 Anti-explosion key switch
PCT/CN2010/075971 WO2011050649A1 (en) 2009-10-28 2010-08-13 Explosion-proof key switch.

Publications (3)

Publication Number Publication Date
EP2348523A1 EP2348523A1 (en) 2011-07-27
EP2348523A4 true EP2348523A4 (en) 2013-12-04
EP2348523B1 EP2348523B1 (en) 2014-07-30

Family

ID=42952791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10826012.6A Active EP2348523B1 (en) 2009-10-28 2010-08-13 Explosion-proof key switch.

Country Status (3)

Country Link
EP (1) EP2348523B1 (en)
CN (1) CN201608087U (en)
WO (1) WO2011050649A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103723661B (en) * 2012-10-10 2016-05-04 杭叉集团股份有限公司 The dual-purpose explosion-proof battery fork truck of imflammable gas and dust atmosphere
CN103663016A (en) * 2013-12-13 2014-03-26 江苏吉野电气有限公司 Novel elevator locking piece
CN103696630B (en) * 2013-12-13 2016-04-13 江苏吉野电气有限公司 With the novel elevator latch fitting of striking gear
CN107787146A (en) * 2017-12-12 2018-03-09 江苏新力科技实业有限公司 A kind of mine explosion-suppression and intrinsic safety type control cabinet chamber door

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723677A (en) * 1970-01-05 1973-03-27 A Arias Ignition key alarm
DE3521155A1 (en) * 1985-06-13 1986-12-18 Brown, Boveri & Cie Ag, 6800 Mannheim Operating element for an explosion-proof switch
DE9203143U1 (en) * 1992-03-10 1992-06-17 Bär Elektrowerke GmbH & Co KG, 58579 Schalksmühle Electrical switching device
CN201298487Y (en) * 2008-10-27 2009-08-26 常州澳丰机电制造有限公司 Mineral intrinsic safe key switch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2427882Y (en) * 2000-04-26 2001-04-25 光阳工业股份有限公司 Lock for motor cycle main switch
CN101699602B (en) * 2009-10-28 2011-11-30 杭叉集团股份有限公司 Explosion-proof key switch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723677A (en) * 1970-01-05 1973-03-27 A Arias Ignition key alarm
DE3521155A1 (en) * 1985-06-13 1986-12-18 Brown, Boveri & Cie Ag, 6800 Mannheim Operating element for an explosion-proof switch
DE9203143U1 (en) * 1992-03-10 1992-06-17 Bär Elektrowerke GmbH & Co KG, 58579 Schalksmühle Electrical switching device
CN201298487Y (en) * 2008-10-27 2009-08-26 常州澳丰机电制造有限公司 Mineral intrinsic safe key switch

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011050649A1 *

Also Published As

Publication number Publication date
CN201608087U (en) 2010-10-13
WO2011050649A1 (en) 2011-05-05
EP2348523A1 (en) 2011-07-27
EP2348523B1 (en) 2014-07-30

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