JPH03112589U

JPH03112589U -

Info

Publication number: JPH03112589U
Application number: JP2235190U
Authority: JP
Priority date: 1990-03-05
Filing date: 1990-03-05
Publication date: 1991-11-18
Anticipated expiration: 2005-03-05
Also published as: JP2505726Y2

Description

[Brief explanation of drawings]

第１図ａは本考案ポンプの一実施例の構成を示
す部分分解斜視図、第１図ｂは本考案における弁
部材の裏面より見た斜視図、第２図は本実施例の
組立状態の縦断面図である。１……開放型ケーシング、２……圧電振動子、
３……有底環状体、３ａ……支持部分、４……吸
込み用チエツク弁、５……吐出用チエツク弁、６
……弁部材、６ａ……支持部分、７……一体化部
品、８……底部、、９……開放側支持部、１０…
…吸込み口、１１……吐出口、１２……ハウジン
グ、１３……シール用リング、１４……保持部、
１５……環状溝、１６，１７……Ｏリング、１８
……係合孔、１９……係合リブ、２０……弾性フ
ツク、２１……嵌挿部、２２……吸込み流路、２
３……吐出流路、２４，２５……リング溝、２６
，２７……Ｏリング、２８……ポンプ室。 Figure 1a is a partially exploded perspective view showing the configuration of an embodiment of the pump of the present invention, Figure 1b is a perspective view of the valve member of the present invention seen from the back, and Figure 2 is an assembled state of the pump of the present invention. FIG. 1...Open type casing, 2...Piezoelectric vibrator,
3... Bottomed annular body, 3a... Support portion, 4... Suction check valve, 5... Discharge check valve, 6
...Valve member, 6a...Support portion, 7...Integrated part, 8...Bottom, 9...Open side support part, 10...
... Suction port, 11 ... Discharge port, 12 ... Housing, 13 ... Seal ring, 14 ... Holding part,
15...Annular groove, 16, 17...O ring, 18
...Engagement hole, 19...Engagement rib, 20...Elastic hook, 21...Fitting insertion part, 22...Suction channel, 2
3...Discharge channel, 24, 25...Ring groove, 26
, 27...O-ring, 28...pump chamber.

Claims

[Claims for Utility Model Registration] (1) An elastic bottomed annular body 3 supporting the outer circumference of the piezoelectric vibrator 2 on the inner circumference of the open casing 1.
A valve member 6 having a suction check valve 4 and a discharge check valve 5 is fitted and integrated therein,
The bottom part 8 of the bottomed annular body 3 constituting the integrated part 7 is opposed to the piezoelectric vibrator 2, and the open side support part 9 of the integrated part 7 is held on the open side inner surface of the open type casing 1, A disposable piezoelectric pump comprising a housing 12 having a suction port 10 and a discharge port 11 communicating with a suction check valve 4 and a discharge check valve 5, respectively, and detachably attached to the inner surface of an open part of an open type casing 1. (2) The seat ring 13 is integrated into the support portion 6a of the valve member 6 that constitutes the open side support portion 9 together with the support portion 3a of the bottomed annular body 3, and this integrated part 7
2. The disposable piezoelectric pump according to claim 1, wherein the sealing ring 13 forming the sealing ring 13 is held by a holding portion 14 projecting from the open inner surface of the open casing 1.