(19)
(11) EP 4 287 414 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.03.2024 Bulletin 2024/13

(43) Date of publication A2:
06.12.2023 Bulletin 2023/49

(21) Application number: 23170437.0

(22) Date of filing: 27.04.2023
(51) International Patent Classification (IPC): 
H01R 13/52(2006.01)
H01R 24/00(2011.01)
F21V 23/06(2006.01)
H01R 24/58(2011.01)
 H01R 13/625(2006.01)
H01R 13/627(2006.01)
F21V 31/00(2006.01)
(52) Cooperative Patent Classification (CPC):
H01R 24/005; H01R 2101/00; H01R 13/5219; H01R 13/625; H01R 13/6275; F21V 23/06; F21V 31/005; H01R 24/58
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 10.05.2022 CN 202210503850

(71) Applicants:
  • Self Electronics Co., Ltd.
    Ningbo City, Zhejiang 315103 (CN)
  • SELF ELECTRONICS Germany GmbH
    51149 Köln (DE)
  • Lin, Wanjiong
    Ningbo City, Zhejiang 315103 (CN)

(72) Inventors:
  • Yang, Jun
    Ningbo, 315103 (CN)
  • Chen, Hui
    Ningbo, 315103 (CN)
  • Xu, Kai
    Ningbo, 315103 (CN)

(74) Representative: 2K Patentanwälte Blasberg Kewitz & Reichel 
Partnerschaft mbB Schumannstrasse 27
60325 Frankfurt am Main
60325 Frankfurt am Main (DE)

   


(54) WATERPROOF PLUG CONNECTOR, DC PLUG AND LAMP


(57) The invention discloses a waterproof plug connector, which comprises a DC plug and a first DC socket, the DC plug is provided with an outer cylinder with enlarged diameter; a first elastic sealing member is provided between the DC plug and the first DC socket; and a movable connecting piece is arranged between the DC plug and the first DC socket. The invention also discloses a DC plug and a lamp. The DC plug adopted is in compliance with safety regulations. After assembly the plug connector can effectively prevent problems caused by poor electrical conductivity or even loosening of the component during use; and meanwhile it can carry out a more reliable and effective waterproof function.







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