Bicycle lighting device

Abstract

Provided is a bicycle lighting device that brightens side portions in which brightened positions in the side portions are not limited as much as possible and light in the side portions and light in a front portion can be distinguished. A headlight 14 includes: an outer case member 20; a lens member 22; an inner case member 24; a light emitting portion 26; a reflective member 28; and a light escaping portion 30. The outer case member is a member that is securable to a bicycle, and includes a housing space 41 formed therein, a first opening 42 placed in a front surface, and a second opening 43 placed in a side surface. The lens member is a translucent member that covers the first opening. The inner case member is a translucent member that is at least partially placed in the housing space of the outer case member and covers the second opening from the inside. The light emitting portion is placed in the inner case member. The reflective member is a member that is placed in the inner case body and reflects light from the light emitting portion toward the lens member. The light escaping portion is able to cause the light emitted from the light emitting portion to escape toward the inner case member.

Description

technical field [0001] The invention relates to a lighting device, in particular to a lighting device for a bicycle installed on a bicycle. Background technique [0002] Lighting devices such as headlights or taillights are installed on the frame of the bicycle. As a conventional lighting device for a bicycle headlight, there is known a lighting device that illuminates the front and leaks light to the side to illuminate the side of the lighting device (for example, refer to Patent Document 1). The previous illuminating device can be fixed on the bicycle, and is provided with: the housing part that opens at the both sides of front part and front part, the lens part that covers opening, the electric bulb that is arranged inside the housing part and makes the light direction of electric bulb The reflective component that the lens component reflects. [0003] Because the previous illuminating device is that the front part of housing part and its both sides are opened, thereby ...

AI Technical Summary

Problems solved by technology

Moreover, since the light irradiated to the front still leaks out, the leaked light and the light irradiated to the front are mixed together, and the front and side cannot be distinguished.

[0006] Moreover, since such a headlight for bicycles is used outdoors, when an opening is provided on the housing member, even if the opening is sealed with a cover member, liquid also infiltrates into the lamp from the gap between the cover member and the opening. Conditions inside the housing parts

In the conventional lighting device in which the liquid enters the inside of the housing part, the liquid tends to remain inside the housing part

Once the liquid remains in the casing parts, there is a danger of problems such as corrosion of internal parts or poor insulation caused by the remaining liquid.

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