JPS62174868U

JPS62174868U -

Info

Publication number: JPS62174868U
Application number: JP6435286U
Authority: JP
Priority date: 1986-04-28
Filing date: 1986-04-28
Publication date: 1987-11-06

Description

[Brief explanation of the drawing]

図面は本考案の実施例に係るねじ締め付け装置
としてのインパクトレンチを一部破断して示す全
体側面図である。２…回転軸、３…ソケツト、４ｂ…嵌合孔部、
４ｃ…ワツシヤ収納孔部、５…押圧部材、１０…
近接スイツチ、１４…警報手段、Ｂ…ボルト、ｂ
_１…頭部、Ｃ…被締付部材、Ｃ_１…孔部、Ｄ_１…
スプリングワツシヤ、Ｄ_２…プレーンワツシヤ。 The drawing is a partially cutaway overall side view of an impact wrench as a screw tightening device according to an embodiment of the present invention. 2...Rotating shaft, 3...Socket, 4b...Fitting hole portion,
4c... Washer storage hole portion, 5... Pressing member, 10...
Proximity switch, 14... Alarm means, B... Bolt, b
₁ ... Head, C... Member to be tightened, C ₁ ... Hole, D ₁ ...
Spring washer, _D2 ...Plain washer.

Claims

[Scope of utility model registration request]

A device for tightening a screw member inserted into a hole of a member to be tightened using a washer, the base end of which is connected to the tip of a rotating shaft, and the head of the screw member inserted into the tip. A socket for tightening a screw having a fitting hole portion to be fitted, and a socket formed continuously on the distal end side of the periphery of the fitting hole portion of the socket, and when tightening the screw, the tip abuts the tightening surface of the member to be tightened. A washer housing hole is provided for storing the washer in a state in which the washer is held in place, and the washer is disposed in the socket so as to be movable in the direction of the center line of the hole with its tip facing the fitting hole. A pressing member that presses the head of the screw member that is screwed forward by the rotational movement, and a base end position of the pressing member that moves toward the distal end side of the socket as the screw member screws forward when the screw is tightened are set in advance. A screw tightening device comprising: a position detecting means for detecting that the socket is located closer to the tip of the socket than the normal screw tightening position; and an alarm means that receives a position signal from the position detecting means and notifies an abnormality. Device.