JPH02114473U

JPH02114473U -

Info

Publication number: JPH02114473U
Application number: JP2443889U
Authority: JP
Priority date: 1989-03-02
Filing date: 1989-03-02
Publication date: 1990-09-13

Description

[Brief explanation of drawings]

第１図は本願の第１考案を適用した手動インパ
クト式ドライバの縦断面図（第２図の−断面
図）、第２図は第１図の−断面図、第３図は
第２図の−断面図、第４図及び第５図はそれ
ぞれ第１図のドライバの作動状態を示す縦断面図
、第６図は第２考案を適用した手動インパクト式
ドライバの縦断面図、第７図は第６図の−断
面図、第８図は第７図の−断面図、第９図及
び第１０図はそれぞれ第６図のドライバの作動状
態を示す縦断面図である。１……ケーシング、２
……内周孔、５……ハンマブロツク、６……ロツ
ド、７……グリツプ、１０……スライダ、１４…
…スナツプリング（脱落防止機構）、１５……ガ
イドピン（回り止め機構）２２……チヤツク、２
３……ボール、２４……カム溝、３０……スライ
ドピン、３１……カム面。 Fig. 1 is a vertical cross-sectional view (-cross-sectional view of Fig. 2) of a manual impact driver to which the first invention of the present application is applied, Fig. 2 is a - cross-sectional view of Fig. 1, and Fig. 3 is a -sectional view of Fig. 2. - Cross-sectional view, Figures 4 and 5 are longitudinal cross-sectional views showing the operating state of the driver in Figure 1, Figure 6 is a vertical cross-sectional view of the manual impact driver to which the second invention is applied, and Figure 7 is a vertical cross-sectional view of the manual impact driver to which the second invention is applied. 6 is a cross-sectional view of FIG. 6, FIG. 8 is a cross-sectional view of FIG. 7, and FIGS. 9 and 10 are vertical cross-sectional views showing the operating state of the driver of FIG. 6. 1...Casing, 2
...Inner circumferential hole, 5...Hammer block, 6...Rod, 7...Grip, 10...Slider, 14...
...Snap spring (drop-off prevention mechanism), 15...Guide pin (rotation prevention mechanism) 22...Chuck, 2
3...Ball, 24...Cam groove, 30...Slide pin, 31...Cam surface.

Claims

[Claims for Utility Model Registration] (1) A hammer block is fitted into a cylindrical casing so as to be movable in the axial direction, a rod extending outside the casing is formed in the hammer block, and a grip is attached to the outside of the casing of the rod. A cylindrical slider, which faces the hammer block so that it can be struck, is fitted onto the inner circumferential surface of the casing on the side of the opening at the tip thereof so as to be movable in the axial direction, and the slider is prevented from rotating by a rotation prevention mechanism. At the same time, a locking mechanism allows the bit to fall off, and a chuck for gripping the bit is fitted on the inner peripheral surface of the slider so as to be rotatable and movable in the axial direction. A manual impact driver characterized by being equipped with a cam mechanism that converts motion into rotational motion of the chuck. (2) A hammer block is fitted into the cylindrical casing so as to be movable in the axial direction, a rod is formed in the hammer block that extends outside the casing, a grip is provided on the outside of the casing, and the opening at the tip of the casing is provided. A guide hole that is long in the axial direction is formed on the side, and a slide pin that faces the hammer block so that it can be hit and is perpendicular to the axial direction is engaged in the guide hole so as to be movable in the axial direction, A chuck for gripping the bit is fitted into the inner circumferential surface of the casing on the side of the tip opening so that it can rotate and move in the axial direction, and the chuck engages with the slide pin to control the axial movement of the slide pin. A manual impact driver characterized by having a cam surface that converts into rotational motion.