JPH0177700U - - Google Patents
Info
- Publication number
- JPH0177700U JPH0177700U JP1987174238U JP17423887U JPH0177700U JP H0177700 U JPH0177700 U JP H0177700U JP 1987174238 U JP1987174238 U JP 1987174238U JP 17423887 U JP17423887 U JP 17423887U JP H0177700 U JPH0177700 U JP H0177700U
- Authority
- JP
- Japan
- Prior art keywords
- wall
- piezoelectric buzzer
- uneven portion
- piezoelectric
- case
- 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
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図ないし第３図は本考案の一実施例による
圧電ブザーを説明するための図であり、第１図は
その断面側面図、第２図はその断面底面図、第３
図はその凹凸部の拡大図、第４図ａ、第４図ｂは
それぞれ従来の圧電ブザーを示す断面側面図、一
部拡大断面図である。
図において、１は圧電ブザー、２は外装ケース
、２ａは内壁、３は発音体、３ａは圧電体、３ｂ
は振動板、７は接合壁、８は接着剤、９は凹凸部
である。
1 to 3 are diagrams for explaining a piezoelectric buzzer according to an embodiment of the present invention, in which FIG. 1 is a cross-sectional side view, FIG. 2 is a cross-sectional bottom view, and FIG.
The figure is an enlarged view of the uneven portion, and FIGS. 4a and 4b are a cross-sectional side view and a partially enlarged cross-sectional view, respectively, showing a conventional piezoelectric buzzer. In the figure, 1 is a piezoelectric buzzer, 2 is an outer case, 2a is an inner wall, 3 is a sounding body, 3a is a piezoelectric body, 3b
7 is a diaphragm, 7 is a joining wall, 8 is an adhesive, and 9 is an uneven portion.
Claims (1)
を、外装ケースの内壁に形成された段状の接合壁
に接着剤により貼着してなる圧電ブザーにおいて
、上記接合壁に凹凸部を形成したことを特徴とす
る圧電ブザー。 (2) 上記凹凸部がケースの中心から放射状に形
成されていることを特徴とする実用新案登録請求
の範囲第１項記載の圧電ブザー。[Claims for Utility Model Registration] (1) In a piezoelectric buzzer in which the peripheral edge of a sounding body consisting of a diaphragm and a piezoelectric body is adhered to a stepped joint wall formed on the inner wall of an outer case with an adhesive. , A piezoelectric buzzer characterized in that an uneven portion is formed on the joining wall. (2) The piezoelectric buzzer according to claim 1, wherein the uneven portion is formed radially from the center of the case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987174238U JPH0177700U (en) | 1987-11-14 | 1987-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987174238U JPH0177700U (en) | 1987-11-14 | 1987-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0177700U true JPH0177700U (en) | 1989-05-25 |
Family
ID=31466109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987174238U Pending JPH0177700U (en) | 1987-11-14 | 1987-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0177700U (en) |
-
1987
- 1987-11-14 JP JP1987174238U patent/JPH0177700U/ja active Pending