JPS5962972U

JPS5962972U - nut tightening unit

Info

Publication number: JPS5962972U
Application number: JP15940882U
Authority: JP
Inventors: 正幸斉藤
Original assignee: 日東精工株式会社
Priority date: 1982-10-20
Filing date: 1982-10-20
Publication date: 1984-04-25
Also published as: JPS6140468Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一部切欠断面図、第２図は本考案の要
部拡大断面図、第３図ａ、　　ｂは従来例を示す要部説
明図である。１・・・ナツト締め゛ユニット、２・・・ブラケット、
３・・・シリンダ、４・・・ロッド、５・・・スライダ
、６・・・′腕部、７・・・固定軸、８・・・電動モー
タ、９・・・駆動軸、１０・・・クラッチ機構、１１・
・・連接機構、１２・・・連接ビット、１３・・・ハウ
ジング、１４・・・被動クラッチ軸、１５・・・連接軸
、１６・・・連接筒、１７・・・底蓋、１８・・・ガイ
ド、１′９・・・縦穴、２０・・・第１貫通穴、２１・
・・エア吸引口、２２・・・ボックス穴、２３・・・ボ
ックスビット、２４・・・小径穴、２５・・・大径穴、
２６・・・段付穴、２７・・・ナツト押え、２８・・・
小径部、２９・・・連接穴、３０・・・第２貫通穴、５
１・・・ボックスビット、５２・・・ガイドピン、５３
・・・チャック、５４・・・チャック爪、５５・・・ナ
ツト、５６・・・内孔、　　、５７・・・スタッド、５
８・・・ナツト押え。FIG. 1 is a partially cutaway sectional view of the present invention, FIG. 2 is an enlarged sectional view of the main part of the present invention, and FIGS. 3a and 3b are explanatory views of the main part of a conventional example. 1... Nut tightening unit, 2... Bracket,
3... Cylinder, 4... Rod, 5... Slider, 6...' arm, 7... Fixed shaft, 8... Electric motor, 9... Drive shaft, 10...・Clutch mechanism, 11・
... Connection mechanism, 12 ... Connection bit, 13 ... Housing, 14 ... Driven clutch shaft, 15 ... Connection shaft, 16 ... Connection cylinder, 17 ... Bottom cover, 18 ...・Guide, 1'9...Vertical hole, 20...1st through hole, 21・
...Air suction port, 22...Box hole, 23...Box bit, 24...Small diameter hole, 25...Large diameter hole,
26...Stepped hole, 27...Nut holder, 28...
Small diameter portion, 29...Connecting hole, 30...Second through hole, 5
1... Box bit, 52... Guide pin, 53
... Chuck, 54 ... Chuck claw, 55 ... Nut, 56 ... Inner hole, , 57 ... Stud, 5
8... Nut presser.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

（１）回転自在の連接ビット１２にエア吸引機構を取付
け、この連接ビット１２の先端にボックス穴２２を有す
るボックスビット２３を固定し、前記ボックスビット２
３にエア吸引機構及びボックス穴２２に連通ずる穴を穿
設するとともに、この穴内にナツト押え２７を引込み自
在に配置し、このナツト押え２７に一端が閉止された連
接穴２９及びこれと連通ずる第２貫通穴３０を穿設し、
この第２貫通穴３０を前記穴を介してボックス穴２２に
連通させたことを特徴とするナツト締めユニット。(1) An air suction mechanism is attached to the rotatable connecting bit 12, a box bit 23 having a box hole 22 is fixed to the tip of the connecting bit 12, and the box bit 23 is fixed to the tip of the connecting bit 12.
3 is provided with a connecting hole that communicates with the air suction mechanism and the box hole 22, and a nut holder 27 is retractably arranged in this hole, and a connecting hole 29 whose one end is closed with the nut holder 27 and a connecting hole 29 that communicates with the nut holder 27 are provided. Drilling a second through hole 30,
A nut tightening unit characterized in that the second through hole 30 is communicated with the box hole 22 through the hole.

（２）穴はボックス穴２２の内接円よりも小さい径を有
することを特徴とする実用新案登録請求の範囲第１項記
載のナツト締めユニット。(2) The nut tightening unit according to claim 1, wherein the hole has a smaller diameter than the inscribed circle of the box hole 22.

（３）ナツト押え２７は先端に小径部２８を有し、小径
部２８の径を所望ナツトの内孔よりも小さく、ナツト押
えの外径を前記内孔よりも大きくしたことを特徴とする
実用新案登録請求の範囲第１項又は第２項記載のナツト
締めユニット。(3) The nut holder 27 has a small diameter portion 28 at its tip, and the diameter of the small diameter portion 28 is smaller than the inner hole of the desired nut, and the outer diameter of the nut holder is larger than the inner hole. A nut tightening unit according to claim 1 or 2 of the patent registration claim.