JPH03112176U

JPH03112176U -

Info

Publication number: JPH03112176U
Application number: JP2078190U
Authority: JP
Priority date: 1990-03-01
Filing date: 1990-03-01
Publication date: 1991-11-15

Description

[Brief explanation of drawings]

第１図、第２図及び第３図は、本考案の定流量
装置の１実施例を示す図面であつて、第１図は第
２図のＢ−Ｂ断面を示す縦断面図、第２図は第１
図を左方から見た側面図、第３図は第１図のＡ−
Ａ断面を示す縦断面図である。第４図及び第５図
は、第１図乃至第３図に示した定流量装置に流体
を流した場合の第５図のＤ−Ｄ断面を示す縦断面
図及び第４図のＣ−Ｃ断面を示す縦断面図である
。第６図は、他の実施例を示す縦断面図、第７図
イ及びロは固定中心軸の他の実施例を示す部分断
面図、第８図イ，ロ，ハ及びニは固定中心軸の種
々の実施例を示す断面図である。第９図は、固定
中心軸と弾性リングの組み合わせの１実施例を示
す縦断面図であり、第１０図イ及びロは弾性リン
グの他の実施例を示す部分断面図である。また、
第１１図は従来の定流量装置を示す縦断面図であ
り、第１２図は第１１図のＸ−Ｘ断面を示す横断
面図である。１……定流量装置、３……弾性リング、３ａ…
…溝、４……固定中心軸。 1, 2, and 3 are drawings showing one embodiment of the constant flow device of the present invention, in which FIG. 1 is a vertical sectional view taken along the line B-B in FIG. 2, and FIG. is the first
A side view of the figure seen from the left, Figure 3 is A- of Figure 1.
It is a longitudinal cross-sectional view showing the A section. FIGS. 4 and 5 are longitudinal sectional views taken along the line D-D in FIG. 5 and C-C in FIG. 4 when fluid flows through the constant flow devices shown in FIGS. FIG. 3 is a vertical sectional view showing a cross section. Fig. 6 is a longitudinal sectional view showing another embodiment, Fig. 7 A and B are partial sectional views showing other embodiments of the fixed central shaft, and Fig. 8 A, B, C, and D are fixed central shafts. FIG. 3 is a sectional view showing various embodiments of the invention. FIG. 9 is a longitudinal sectional view showing one embodiment of a combination of a fixed center shaft and an elastic ring, and FIGS. 10A and 10B are partial sectional views showing another embodiment of the elastic ring. Also,
FIG. 11 is a longitudinal cross-sectional view showing a conventional constant flow device, and FIG. 12 is a cross-sectional view taken along the line XX in FIG. 11. 1... Constant flow device, 3... Elastic ring, 3a...
...Groove, 4...Fixed central axis.

Claims

[Scope of utility model registration request]

It is a constant flow device in which a deformable elastic ring narrows the flow path between the fixed central axis and the fixed central axis according to the pressure of the fluid, and maintains a constant flow rate.
A constant flow device characterized in that an elastic ring is provided on the outer periphery of the fixed central shaft formed in a shape such as a rectangle, and the elastic ring has a large number of grooves formed on the inner diameter surface along the flow direction. .