JPH0327888U

JPH0327888U -

Info

Publication number: JPH0327888U
Application number: JP8872189U
Authority: JP
Priority date: 1989-07-27
Filing date: 1989-07-27
Publication date: 1991-03-20
Anticipated expiration: 2003-11-26
Also published as: JPH0545828Y2

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す一部断面正面
図、第２図はスクイーズポンプ本体の要部断面平
面図、第３図は作用説明図、第４図は別のスクイ
ーズポンプ本体の要部断面平面図である。第５図
は従来例を示す要部断面正面図、第６図は従来例
の簡略側面図である。３……ポンピングチユーブ、１１……ニードル
ローラ、１３……回転胴体、１４……フランジ部
、１５……細軸、１６……軸心孔、１７……中間
円筒部、１８……軸受、２３……孔部。 Fig. 1 is a partially sectional front view showing one embodiment of the present invention, Fig. 2 is a sectional plan view of the main part of the squeeze pump body, Fig. 3 is an explanatory diagram of the operation, and Fig. 4 is a diagram of another squeeze pump main body. FIG. 2 is a sectional plan view of a main part. FIG. 5 is a sectional front view of a main part of a conventional example, and FIG. 6 is a simplified side view of the conventional example. 3... Pumping tube, 11... Needle roller, 13... Rotating body, 14... Flange portion, 15... Thin shaft, 16... Shaft hole, 17... Intermediate cylindrical portion, 18... Bearing, 23 ...hole.

Claims

[Claims for Utility Model Registration] 1. A large number of needle rollers 11 that press the inner diameter side of the pumping tube 3 curved into a substantially U-shape...
and a rotary body 13 with a pair of flanges 14, 14 for holding the needle rollers 11, the squeeze pump comprising: The thin shafts 15 are inserted into the axial holes 16 of the needle rollers 11 with a loose fit,
The needle rollers 11 are held by the rotating body 13, and the intermediate cylindrical portion 17 of the rotating body 13 is held by the rotating body 13.
is characterized in that a pair of bearings 18, 18 are attached at a predetermined interval so that both ends of the needle roller 11 are held from the inner diameter side by the pair of bearings 18, 18. squeeze pump. 2. A large number of needle rollers 11 that press the inner diameter side of the pumping tube 3 curved into a substantially U-shape...
and a rotary body 13 with a pair of flanges 14, 14 for holding the needle rollers 11, in which a plurality of holes 23 are bored in the flange 14, and a plurality of holes 23 are formed in the flange. Both ends of the needle roller 11 are loosely fitted into the holes 23, and the needle roller 11
... is held in the rotating body 13, and furthermore, a pair of bearings 18, 18 are attached to the intermediate cylindrical portion 17 of the rotating body 13 at a predetermined interval, and the pair of bearings 18, 18, A squeeze pump characterized in that the needle rollers 11 are configured to be held from the inner diameter side. 3. The squeeze pump according to claim 1 or 2, wherein the bearing 18 is a ball bearing, and an outer ring thereof is in direct contact with the needle roller 11.