CN2256054Y

CN2256054Y - Coaxial butt jointing parts for shafts with same diameter

Info

Publication number: CN2256054Y
Application number: CN 96229913
Authority: CN
Inventors: 赵文英
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-05-17
Filing date: 1996-05-17
Publication date: 1997-06-11
Anticipated expiration: 2006-05-17

Abstract

The utility model relates to an axial direction interfacing device for shafts with same diameter, mainly solving the problems of uneasy abrasion and looseness of the interfacing point of the shafts and uneasy generation of an angle error in positive rotation or reverse rotation of the shafts. The utility model is characterized in that the interfacing surface of a long shaft and a short shaft is provided with trapezoidal teeth which are mutually matched, the shaft center point of the interfacing surface of the long shaft is provide with a screw hole which is matched with a screw bolt, the short shaft is hollow, and one end of the screw bolt penetrates through the hollow short shaft and is fixed in the screw hole of the long shaft.

Description

With the axial docking facilities in footpath

The utility model relates to a kind of with the axial docking facilities in footpath.

In prior art, the axial docking facilities in traditional same footpath adopts and be provided with keyway on abutment shaft, with retaining screw square key or cover key are fixed on the abutment shaft, this mode, the easily wearing and tearing and cause loosening in the joint of key and axle, consume the transmission energy, and when the axle forward or reverse, be easy to generate the error on the angle.

The purpose of this utility model provides a kind of simple in structure, and is not easy to wear and loosening at the joint of axle, and the axial docking facilities in same footpath that is difficult for producing error on the angle when the axle forward or reverse.

The utility model is made up of major axis, minor axis and bolt, it is characterized in that: on the interface of major axis and minor axis, have the stepped tooth that coincide mutually, place, axle center at the major axis interface has the screw that matches with bolt, minor axis hollow, an end of bolt are passed in the screw that hollow stub shafts is fixed on major axis.

Because the utility model is made up of major axis, minor axis and bolt, so it is simple in structure, on the interface of major axis and minor axis, has the stepped tooth that coincide mutually, place, axle center at the major axis interface has the screw that matches with bolt, minor axis hollow, one end of bolt passes in the screw that hollow stub shafts is fixed on major axis, so, minor axis closely is fixed on the major axis, be difficult for producing displacement, thereby make the joint of axle not easy to wear and loosening, and when the axle forward or reverse, be difficult for producing error on the angle.

Below in conjunction with accompanying drawing the utility model is elaborated,

Accompanying drawing is a structural representation of the present utility model,

1 expression major axis has the stepped tooth 3 that mutually coincide among the figure on the interface of major axis and minor axis 2, has the screw 4 that matches with bolt at the place, axle center of major axis interface, minor axis hollow, and an end of bolt 5 passes in the screw that hollow stub shafts is fixed on major axis.

Claims

A kind of with the axial docking facilities in footpath, comprise major axis, minor axis and bolt, it is characterized in that: on the interface of major axis and minor axis, have the stepped tooth that coincide mutually, place, axle center at the major axis interface has the screw that matches with bolt, minor axis hollow, an end of bolt are passed in the screw that hollow stub shafts is fixed on major axis.