JPH0437882U

JPH0437882U -

Info

Publication number: JPH0437882U
Application number: JP8006890U
Authority: JP
Priority date: 1990-07-27
Filing date: 1990-07-27
Publication date: 1992-03-31

Description

[Brief explanation of the drawing]

第１図は本考案になるトロコイドポンプの取付
装置の一実施例を示す縦断面図である。 FIG. 1 is a longitudinal sectional view showing an embodiment of the trochoid pump mounting device according to the present invention.

Claims

[Claims for Utility Model Registration] At least an inner rotor that is fitted into a drive shaft rotatably supported by the pump case, rotates integrally with the drive shaft, and has external teeth; The inner rotor and the outer rotor are arranged in a rotor storage chamber formed by an outer rotor having internal teeth that mesh with the external teeth of the inner rotor, a pump case and a pump cover that covers the inner rotor, and the inner rotor In a trochoid pump having a suction space connected to a suction path and a discharge space connected to a discharge path, which are formed by external teeth of an outer rotor and internal teeth of an outer rotor;
The end portion 1E of the cylindrical drive shaft support cylinder portion 1D through which
An elastic ring 11 having a diameter larger than the outer diameter φA of the drive shaft support cylinder part 1D is fitted into an elastic ring locking groove 10 bored on the outer periphery of the drive shaft support cylinder part 1D.
A drive shaft stopper 15 having a flat plate shape and having a diameter larger than the outer diameter φB of the drive shaft 3, which is fitted into a stopper locking groove 3A formed on the outer periphery of the drive shaft 3 protruding from the end 1E of the drive shaft; A drive shaft support cylinder relief hole 12A having a diameter larger than the outer diameter φA of the support cylinder portion 1D and smaller than the outer diameter φC of the elastic ring 11, and a locking flat extending outward from the end of the drive shaft support cylinder relief hole 12A. part 12B, and a mounting protrusion 14A protruding from the drive source case 14.
A tightening nut 12 that is continuously provided with a female thread 12C that is screwed into a male thread 14B carved on the outer periphery of the nut.
Then, the drive shaft stopper 15 is connected to the drive shaft support cylinder part 1D.
The elastic ring 11 is disposed between the end 1E of the mounting protrusion 14A and the end 14C of the mounting protrusion 14A, and the elastic ring 11 is
is arranged corresponding to the locking flat part 12B of the nut 1.
Attach the female screw 12C of No. 2 to the male screw 14 of the protrusion 14A.
Trochoid pump mounting device screwed onto B.