JPH0180674U - - Google Patents
Info
- Publication number
- JPH0180674U JPH0180674U JP1987176529U JP17652987U JPH0180674U JP H0180674 U JPH0180674 U JP H0180674U JP 1987176529 U JP1987176529 U JP 1987176529U JP 17652987 U JP17652987 U JP 17652987U JP H0180674 U JPH0180674 U JP H0180674U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- piezoelectric
- piston
- liquid surface
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Description
第1図は本考案の圧電ポンプの1例の構造を示
す断面図、第2図はその圧電振動子に固着された
ジヨイント部材の正面図であり、第3図は従来の
圧電送油ポンプの断面図である。
1……ポンプケース、1a……ポンプ室、1f
……シリンダ部、2……ピストン、3……圧電振
動子、4……接手、5……ジヨイント部材、6…
…保護カバー、7……濾材、8……制御回路。
Figure 1 is a sectional view showing the structure of an example of the piezoelectric pump of the present invention, Figure 2 is a front view of a joint member fixed to the piezoelectric vibrator, and Figure 3 is a diagram of a conventional piezoelectric oil pump. FIG. 1...Pump case, 1a...Pump chamber, 1f
... Cylinder part, 2 ... Piston, 3 ... Piezoelectric vibrator, 4 ... Joint, 5 ... Joint member, 6 ...
...protective cover, 7...filter medium, 8...control circuit.
Claims (1)
出するポンプ部を液面下に設けると共に片持梁状
に支持された圧電振動子を液面より上方に設け、
該圧電振動子の振動端の運動を該液面を通して設
けたジヨイント部材によつて該ピストンに伝達す
るよう構成した圧電ポンプにおいて、該ジヨイン
ト部材が断面略円形の剛性棒状体からなり、その
一端が電気絶縁性の接手を介して該圧電振動子の
振動端に固着されると共にその他端が該振動端の
延長方向の液中に設けられた該ピストンに係合す
るように構成されたことを特徴とする圧電ポンプ
。 A pump section that sucks in and discharges liquid in a fixed direction using a reciprocating piston is provided below the liquid surface, and a piezoelectric vibrator supported in a cantilevered manner is provided above the liquid surface.
In a piezoelectric pump configured to transmit the motion of the vibrating end of the piezoelectric vibrator to the piston by a joint member provided through the liquid surface, the joint member is made of a rigid rod-like body with a substantially circular cross section, and one end thereof is The piezoelectric vibrator is fixed to the vibrating end of the piezoelectric vibrator via an electrically insulating joint, and the other end is configured to engage with the piston provided in the liquid in the extending direction of the vibrating end. piezoelectric pump.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17652987U JPH0442533Y2 (en) | 1987-11-20 | 1987-11-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17652987U JPH0442533Y2 (en) | 1987-11-20 | 1987-11-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0180674U true JPH0180674U (en) | 1989-05-30 |
JPH0442533Y2 JPH0442533Y2 (en) | 1992-10-07 |
Family
ID=31468259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17652987U Expired JPH0442533Y2 (en) | 1987-11-20 | 1987-11-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0442533Y2 (en) |
-
1987
- 1987-11-20 JP JP17652987U patent/JPH0442533Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPH0442533Y2 (en) | 1992-10-07 |