Flashlight

Inactive Publication Date: 2010-02-11
LIU YUN ZHAO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007]A flashlight in accordance with an embodiment of the present invention includes a lamp support, an electric light-generating mechanism in the lamp support, a covering member around the lamp support, a barrel body joined on the covering member, a power supply held in the barrel body, and an adjustment member. The adjustment member is threadedly joined in the lamp support, and can be turned to adjust a position of a focal point of light emitted from a light source of the light-generating mechanism. Front and rear heat-conducting compo

Problems solved by technology

However, the high-power light emitting diodes will produce a large amount of waste heat when they are shining.
The light emitting diodes will become very hot and less efficient, and can even get damaged

Method used

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Embodiment Construction

[0013]Referring to FIG. 1 to FIG. 3, preferred embodiment of a flashlight of the present invention includes a lamp support 1, an electric light generating mechanism 2, a front heat-conducting component 3, a rear heat-conducting component 4, an adjustment member 5 for adjusting a position of a focal point of light emitted from a light source, a barrel body 6, a power supplying mechanism 7, and a covering member 8.

[0014]The lamp support 1 has a light-reflecting cup 11, and a joining part 12; the light-reflecting cup 11 is substantially in the shape of a horn, and adjoins a front end of the joining part 12, and it further communicates with the joining part 12; the joining part 12 has a threaded portion 122 on a rear end thereof, and a locating groove 121 on the front end.

[0015]The electric light-generating mechanism 2 is held in the joining part 12 of the lamp support 1, and includes a circuit board 21, and a light source 22 joined on the circuit board 21; the circuit board 21 has a contr

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PUM

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Abstract

A flashlight includes a lamp support, an electric light-generating mechanism in the lamp support, a covering member around the lamp support, a barrel body joined on the covering member, and an adjustment member; the adjustment member is threadedly joined in the lamp support, and can be turned to adjust a position of a focal point of light emitted from a light source of the light-generating mechanism; front and rear heat-conducting components are positioned on front and rear ends of the light-generating mechanism respectively, and they contact the lamp support and the barrel body respectively; heat produced from functioning of the light-generating mechanism will be conducted away from the front heat-conducting component to the lamp support and from the rear heat-conducting component to the barrel body, and the light source is prevented from being damaged by the heat produced from it continuing shining for an extended length of time.

Description

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Claims

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Application Information

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Owner LIU YUN ZHAO
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