Flashlight

A flashlight and lamp tube technology, applied in the field of lighting, can solve the problems of low reliability of the flashlight and inconvenient maintenance.

Active Publication Date: 2013-10-23
OCEANS KING LIGHTING SCI&TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on this, it is necessary to provide a flashlight with high reliability and conven...

Method used

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Embodiment Construction

[0031] The above-mentioned flashlight will be further elaborated below through specific embodiments and accompanying drawings.

[0032] Please also refer to figure 1 and figure 2 , a flashlight 100 according to an embodiment includes a lamp cylinder 10 , a first light source assembly 20 , a front cover 40 and a tail cover assembly 50 .

[0033] The lamp tube 10 has a receiving chamber (not shown in the figure) with two ends open.

[0034] Please also see image 3 , Figure 4 and Figure 5 , the first light source assembly 20 includes a bracket 21 , a first light source 22 , a first spring 23 , a first conductive member 24 and a first pressure plate 25 .

[0035] The bracket 21 includes a first support 211 , a second support 212 and a third support 213 . The first support 211 is connected to the second support 212 through a first threaded post 214 , and the second support 212 and the third support 213 are connected through a second threaded post 215 . Accommodating spac...

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PUM

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Abstract

A flashlight comprises a light cylinder, a first light source assembly, a front cover and a rear cover assembly. The light cylinder is a holding chamber with two ends provided with openings; the first light source assembly is arranged inside the holding chamber; the first light source assembly comprises a support and a first light source which is arranged on the support; two first springs and two first conductive parts are arranged on the support; the two first conductive parts are respectively sleeved on the two springs; the first springs are truncated-cone-shaped spiral springs; the first conductive parts are sleeved at small ends of the first spring; portions of the first springs, which extend inside the first conductive parts, have a plurality of coils which are equal in screw pitch; portions of the first springs, which are arranged outside the first conductive parts, have a plurality of coils which are equal in screw pitch; the sum of screw pitches of the spring coils which are arranged inside the first conductive parts is smaller than that of the spring coils which are arranged outside the first conductive parts; the two first conducive parts are abut against the positive electrode and the negative electrode of a battery pack of the flashlight; the front cover and the rear cover assembly are respectively arranged at two ends of the light cylinder to seal the holding chamber. The flashlight has the advantages of being high in reliability and convenient to maintain.

Description

technical field [0001] The invention relates to the technical field of lighting, in particular to a flashlight. Background technique [0002] As a portable lighting tool, the flashlight brings a lot of convenience to people's life and work. However, the light-emitting components and the lamp housing of a general flashlight are mostly integral structures, and the lamp housing and the lamp tube are generally rigidly connected by threads, which makes the impact resistance of the flashlight poor, and the light-emitting components and batteries are often damaged due to impact. The electrical connection between the groups is interrupted, which affects the reliability of the flashlight operation. Moreover, when the flashlight is subjected to relatively severe impacts, the light-emitting components are easily damaged. After the light-emitting component is damaged, it is usually necessary to disassemble the light-emitting component from the lamp housing for maintenance. However, th...

Claims

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Application Information

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IPC IPC(8): F21L4/00F21V23/06F21V15/02F21V31/00F21V15/04
Inventor 周明杰贺伟华
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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