JPS6444798U - - Google Patents
Info
- Publication number
- JPS6444798U JPS6444798U JP14018887U JP14018887U JPS6444798U JP S6444798 U JPS6444798 U JP S6444798U JP 14018887 U JP14018887 U JP 14018887U JP 14018887 U JP14018887 U JP 14018887U JP S6444798 U JPS6444798 U JP S6444798U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- piezoelectric element
- piezoelectric
- alarm device
- center
- 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.)
- Pending
Links
Description
第１図および第２図は本考案の実施例を示す図
であり、第１図は断面図、第２図はダイアフラム
を示す平面図、第３図は溝部を示す分部断面図で
ある。
符号の説明、１……ダイアフラム、１ａ……貼
り合わせ面、１ｂ……溝部、２……圧電素子、３
……ハウジング、４……カバー、５……駆動回路
。
1 and 2 are views showing an embodiment of the present invention, in which FIG. 1 is a sectional view, FIG. 2 is a plan view showing a diaphragm, and FIG. 3 is a partial sectional view showing a groove. Explanation of symbols, 1...Diaphragm, 1a...Bonding surface, 1b...Groove portion, 2...Piezoelectric element, 3
...Housing, 4...Cover, 5...Drive circuit.
Claims (1)
し、圧電素子に印加される交流電圧によつて圧電
素子とダイアフラムとが一体となつて振動、発音
する圧電警音器において、 絞り加工されたダイアフラムの中央に圧電素子
を貼り合わせる平面状の貼り合わせ面が形成され
ており、また、前記ダイアフラムの貼り合わせ面
と反対の面に突出するリブ状の溝部が形成されて
いることを特徴とする、圧電警音器。 ２ ダイアフラムの中心部より放射状に複数のリ
ブを形成した構成を特徴とする、実用新案登録請
求の範囲第１項記載の圧電警音器。[Claims for Utility Model Registration] 1. A piezoelectric alarm device having a diaphragm to which a piezoelectric element is bonded, and in which the piezoelectric element and the diaphragm unite to vibrate and generate sound by an alternating current voltage applied to the piezoelectric element. A planar bonding surface for bonding the piezoelectric element is formed in the center of the drawn diaphragm, and a protruding rib-shaped groove is formed on the surface opposite to the bonding surface of the diaphragm. A piezoelectric alarm device characterized by: 2. The piezoelectric alarm device according to claim 1 of the registered utility model claim, characterized in that a plurality of ribs are formed radially from the center of the diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14018887U JPS6444798U (en) | 1987-09-14 | 1987-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14018887U JPS6444798U (en) | 1987-09-14 | 1987-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6444798U true JPS6444798U (en) | 1989-03-17 |
Family
ID=31404134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14018887U Pending JPS6444798U (en) | 1987-09-14 | 1987-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6444798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH044564U (en) * | 1990-04-26 | 1992-01-16 | ||
| JPH0495674A (en) * | 1990-08-10 | 1992-03-27 | Nippon Pillar Packing Co Ltd | Mechanical seal for underwater pump |
-
1987
- 1987-09-14 JP JP14018887U patent/JPS6444798U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH044564U (en) * | 1990-04-26 | 1992-01-16 | ||
| JPH0495674A (en) * | 1990-08-10 | 1992-03-27 | Nippon Pillar Packing Co Ltd | Mechanical seal for underwater pump |
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