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Trigger switch

A technology of triggering switches and triggers, which is used in electrical switches, electrical components, portable mobile devices, etc., to achieve the effect of small bottom area

Active Publication Date: 2011-04-06
ORMON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, in order to improve the operability of electric tools, it is necessary to make the handle as thin as possible

Method used

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Examples

Experimental program
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Embodiment Construction

[0051] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0052] figure 1 as well as figure 2 A trigger switch 1 as one embodiment of the present invention is shown. The trigger switch 1 is incorporated into the handle of the cordless electric tool to control the rotational speed of a motor that drives a tool of the cordless electric tool.

[0053] The trigger switch 1 includes a frame body 2 made of insulating resin, and a user pushes it in with fingers (引き む) trigger 3, and has a pair of power supply terminals 4a, 4b connected to an external power supply, and a pair of output terminals 5a, 5b connected to an external motor. In order to dissipate heat, the switching element 6 is arranged outside the housing 2 and is connected to a circuit housed inside the housing 2 via insulated wires 7 , 8 , and 9 . In addition, the trigger switch 1 leads out a pair of lead wires 10, 11 from the housing 2, and can be connected to an ...

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Abstract

A trigger switch performs speed control of a motor according to a pull-in amount of a trigger. A wiring path for lead wires connects the trigger switch and an auxiliary device. The wiring path is formed in an insulating wall. The insulating wall isolates a pair of power supply terminals, each connected to a power supply, from each other.

Description

technical field [0001] The invention relates to a trigger switch, in particular to a trigger switch for controlling a DC motor of a rechargeable electric tool. Background technique [0002] Cordless electric tools control the rotational speed of a motor that drives a tip tool according to the pressing amount of the trigger. Such cordless electric tools are generally manufactured by incorporating a trigger switch that encapsulates a trigger and a control circuit of the motor. [0003] As described in Patent Document 1, for example, a cordless electric tool has a motor on an upper portion of a grip that accommodates a trigger switch, and a battery on a lower portion. Therefore, at the lower end of the trigger switch there is a pair of power supply terminals for connecting the power supply, and at the upper part there is an output terminal for connecting the motor. [0004] For example, as described in Patent Document 2, an insulating wall for isolating the two power terminals...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H13/02H01H13/04H01H13/64B25F5/00H01H9/02
CPCH01H9/30H01H9/061B25F5/021
Inventor 宫浦宏之马场良之大盛浩二
Owner ORMON CORP
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