JPH0180676U - - Google Patents
Info
- Publication number
- JPH0180676U JPH0180676U JP1987176531U JP17653187U JPH0180676U JP H0180676 U JPH0180676 U JP H0180676U JP 1987176531 U JP1987176531 U JP 1987176531U JP 17653187 U JP17653187 U JP 17653187U JP H0180676 U JPH0180676 U JP H0180676U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- liquid surface
- piezoelectric
- electrode
- fixed
- 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 4
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration 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の正面図であ
り、第３図はその圧電振動子の固定端に結合する
固定部材の正面図ａおよび断面図ｂ、第４図はそ
の圧電振動子の振動端に結合した接手の正面図ａ
および側面図ｂであり、第５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、３ａ……固定端、３ｂ……振動端、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、９……固定部材。
FIG. 1 is a sectional view showing the structure of an example of the piezoelectric pump of the present invention, FIG. 2 is a front view of the piezoelectric vibrator, and FIG. 3 is a diagram showing the fixing member connected to the fixed end of the piezoelectric vibrator. Front view a and cross-sectional view b, and Figure 4 is a front view a of the joint connected to the vibrating end of the piezoelectric vibrator.
and a side view b, and FIG. 5 is a sectional view of a conventional piezoelectric oil pump. 1...Pump case, 1a...Pump chamber, 1f
... Cylinder part, 2 ... Piston, 3 ... Piezoelectric vibrator, 3a ... Fixed end, 3b ... Vibration end, 4 ... Joint, 5 ... Joint member, 6 ... Protective cover,
7...Filtering medium, 8...Control circuit, 9...Fixing member.
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、該圧電振動
子は固定端部の電極が設けられていない部分を両
面から固定部材により挾持固定され、該固定部材
の端縁位置と該電極の端縁位置とが一致すると共
に電極端子部分が該固定部材により被覆されるよ
う構成されたことを特徴とする圧電ポンプ。 A pump section that draws 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 piezoelectric vibrator has a fixed end portion where an electrode is not provided. A piezoelectric pump, characterized in that it is clamped and fixed by fixing members from both sides, the edge position of the fixing member matches the edge position of the electrode, and the electrode terminal portion is covered with the fixing member. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17653187U JPH0442535Y2 (en) | 1987-11-20 | 1987-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17653187U JPH0442535Y2 (en) | 1987-11-20 | 1987-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0180676U true JPH0180676U (en) | 1989-05-30 |
| JPH0442535Y2 JPH0442535Y2 (en) | 1992-10-07 |
Family
ID=31468261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17653187U Expired JPH0442535Y2 (en) | 1987-11-20 | 1987-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0442535Y2 (en) |
-
1987
- 1987-11-20 JP JP17653187U patent/JPH0442535Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0442535Y2 (en) | 1992-10-07 |