Title:
BEAM-ADJUSTABLE PAR LAMP AND IMPLEMENTATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2021/189685
Kind Code:
A1
Abstract:
A beam-adjustable PAR lamp and an implementation method for the beam-adjustable PAR lamp. The beam-adjustable PAR lamp comprises a housing (2); a lamp holder (1) is connected to the lower end of the housing (2); a driving circuit board (3) is provided in the housing (2); a light source plate (5) is provided above the driving circuit board (3); the driving circuit board (3) is electrically connected to the lamp holder (1) and the light source plate (5), respectively; a lens (6) is connected to the upper part of the housing (2); a relief groove (21) is formed in the side edge of an upper edge opening of the housing (2); a snap member (62) corresponding to the relief groove (21) is connected to the lens (6); a single thread (23) is connected to the side edge of the upper edge opening of the housing (2) and located on one side of the relief groove (21); the lens (6) is provided with a thread group (63, 64) corresponding to the single thread (23). Telescopic movement can be realized only by means of cooperation of the lens (6) and the housing (2), and an operation can be carried out by a user before and after installation, and the practicability is stronger; the lens (6) is limited by means of the snap member (62) and the relief groove (21), so that the lens (6) cannot be taken out by hands after the snap member (62) is snapped into the relief groove (21), and requirements of safety certification are met.
Inventors:
YAO ZUOHONG (CN)
Application Number:
PCT/CN2020/097487
Publication Date:
September 30, 2021
Filing Date:
June 22, 2020
Export Citation:
Assignee:
HENGDIAN GROUP TOSPO LIGHTING CO LTD (CN)
International Classes:
F21S8/02; F21V5/04; F21V17/10
Foreign References:
| CN111271662A | 2020-06-12 | |||
| CN209084545U | 2019-07-09 | |||
| CN208011430U | 2018-10-26 | |||
| CN209782398U | 2019-12-13 | |||
| CN204611523U | 2015-09-02 | |||
| CN210004248U | 2020-01-31 | |||
| US20100231142A1 | 2010-09-16 |
Attorney, Agent or Firm:
GUANGZHOU HUAXUE INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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