Title:
KNOB SWITCH HAVING DIFFERENT GEAR POSITIONS AND LIGHT GUIDE
Document Type and Number:
WIPO Patent Application WO/2021/129206
Kind Code:
A1
Abstract:
Provided is a knob switch (100) having different gear positions and a light guide. The knob switch (100) is characterized by comprising: a knob head (101); a mount (112); a protruding lever (116); and a slide block (120), the knob head (101) comprises an indicator block (103); the lower part of the indicator block (103) is provided with an axial light-guide column (105); the indicator block (103) also comprises a light-guide reflection structure; the light-guide reflection structure comprises a light-emitting top face (1137) corresponding to the top of the knob head (101), and a light-incident bottom face (1131) opposite to the top face, and a light-emitting side face (1133) corresponding to the outer side of the knob head (101), and an inner side (1135) opposite to the light-emitting side face (1133); and left and right side faces corresponding to the left and right sides of the knob head (101); the inner side face of the light-guide reflection structure comprises a main reflection inclined face (1032), used for reflecting the light from the light-guide column (105) for the first time; the light-guide reflection structure also comprises a hollow hole (1034), used for secondary reflection of at least a part of the light reflected by the main reflection inclined face (1032), thus the light entering the light-guide reflection structure by way of the light-guide column (105) is emitted from the light-emitting top face (1137) and the light-emitting side face (1133).
Inventors:
LIU JINGE (CN)
YU YUE (CN)
WU JIANLIN (CN)
YU YUE (CN)
WU JIANLIN (CN)
Application Number:
PCT/CN2020/127991
Publication Date:
July 01, 2021
Filing Date:
November 11, 2020
Export Citation:
Assignee:
PHOENIX CONTACT ASIA PACIFIC NANJING CO LTD (CN)
International Classes:
H01H19/14
Foreign References:
| CN211743023U | 2020-10-23 | |||
| CN1341264A | 2002-03-20 | |||
| CN207601670U | 2018-07-10 | |||
| CN203560788U | 2014-04-23 | |||
| CN108172442A | 2018-06-15 | |||
| US4175220A | 1979-11-20 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
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