Attachment device-equipped electric tool

Abstract

The present invention provides an attachment device-equipped electric tool that can ensure plug-in reliability by reliably opening a plug-in port on a female terminal side when a male terminal is plugged thereinto and also allows a mechanism for opening / closing the plug-in port to be formed in a space-saving manner. A hammer drill (1) is provided with a connector (28) equipped with a female terminal (29), movably between a connection position where the female terminal (29) is located inside a plug-in port (34) and a non-connection position where the female terminal (29) is in retreat from inside the plug-in port (34). The hammer drill (1) is also provided with a torsion spring that urges the connector (28) toward the non-connection position. The connector (28) is provided with a shutter portion (32) that is located inside the plug-in port (34) to close the plug-in port (34) at the non-connection position and is in retreat from inside the plug-in port (34) at the connection position. A dust collecting device is provided with a press rail (62) that comes into abutment on the connector (28) to move the connector (28) to the connection position against the urging of the torsion spring as the dust collecting device is mounted.

Description

technical field [0001] The invention relates to electric tools such as electric drills, impact drills and the like which are installed and fixed with accessories such as dust collecting devices. Background technique [0002] On power tools such as electric drills and impact drills, accessories such as a dust collector that collects and recovers dust generated from the processed material during drilling operations, and a lighting unit that illuminates the tip tool can be installed and fixed. As this electric power tool with accessories, for example, the following example is disclosed in Patent Document 1: On the dust collector as an accessory, a plug (male terminal) that is electrically connected to the housed dust collection motor is protruded, and On the one hand, a socket (female terminal) is provided on one side of the electric tool, and the socket is electrically connected to the power supply side. When the dust collector is installed and fixed, the plug can be inserted ...

AI Technical Summary

Problems solved by technology

[0005] However, in the electric tool with accessories of the above-mentioned Patent Document 1, since the projection is directly in contact with the socket cover and slides, it cannot ensure that the socket cover has a large retreat stroke, and it stays at the position where the projection is set on the socket cover. The through hole on the top is staggered from the socket

Therefore, due to assembly errors, etc., when the socket cover is retracted, the through hole may not be completely consistent with the socket, and thus contact with the plug, etc., reducing the reliability of insertion.

Therefore, it is hoped that the retraction stroke of the socket cover can be increased so that the socket cover as a whole retreats from the socket. However, when the tapered surface of the protrusion is enlarged in order to ensure the stroke, the opening and closing mechanism of the socket requires a large space, which becomes an electric motor. Barriers to miniaturization of tools and accessories

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