JPH01139300U - - Google Patents
Info
- Publication number
- JPH01139300U JPH01139300U JP3594988U JP3594988U JPH01139300U JP H01139300 U JPH01139300 U JP H01139300U JP 3594988 U JP3594988 U JP 3594988U JP 3594988 U JP3594988 U JP 3594988U JP H01139300 U JPH01139300 U JP H01139300U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- terminal
- back cover
- piezoelectric buzzer
- buzzer according
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は上記装置の分解斜視図、第３図Ａ乃至Ｃは裏
蓋と端子との一体成型を説明するための図、第４
図は端子の配置を示す斜視図、第５図は端子と圧
電素子との接触状態を示す平面図、第６図は従来
装置の断面図である。
１……ケース、２……裏蓋、３，４……端子、
５……金属板、６……圧電素子、７……放音孔。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is an exploded perspective view of the above device, Figures 3A to C are diagrams for explaining the integral molding of the back cover and the terminal, and Figure 4 is an exploded perspective view of the above device.
5 is a perspective view showing the arrangement of the terminals, FIG. 5 is a plan view showing the state of contact between the terminals and the piezoelectric element, and FIG. 6 is a sectional view of the conventional device. 1...Case, 2...Back cover, 3, 4...Terminal,
5...Metal plate, 6...Piezoelectric element, 7...Sound emission hole.
Claims (1)
え裏蓋に支持された端子が前記圧電振動板に接触
する圧電ブザーにおいて、前記裏蓋と、これに支
持される端子とが一体成型により形成されたこと
を特徴とする圧電ブザー。 (2) 前記ケース内周面に嵌合用凹溝が形成され
、前記裏蓋の外周面に前記嵌合用凹溝に密着嵌合
する嵌合用突部が形成されている請求項１記載の
圧電ブザー。 (3) 前記ケース内面に前記圧電振動板を線接触
状態で支持する段差突出部が設けられている請求
項１記載の圧電ブザー。 (4) 前記裏蓋は椀状に形成され、その開口端縁
が前記圧電振動板に線接触状態で接触する突出部
を備えている請求項１記載の圧電ブザー。 (5) 前記端子は前記圧電振動板に接触する先端
側が弾力性を有し、その接触部が曲面状に形成さ
れている請求項１記載の圧電ブザー。 (6) 前記圧電振動板が前記ケース内面の段差突
出部と前記裏蓋に支持された端子の弾性先端部と
の間で挾持されている請求項１記載の圧電ブザー
。 (7) 前記端子は、平行配置された長尺状板状体
を含むように樹脂成型された裏蓋に植設されてな
り、折曲加工が施されている請求項１記載の圧電
ブザー。[Claims for Utility Model Registration] (1) A piezoelectric buzzer in which a piezoelectric diaphragm is provided in a case having a sound emitting hole and a terminal supported by a back cover contacts the piezoelectric diaphragm; A piezoelectric buzzer characterized in that a supported terminal and a terminal are integrally molded. (2) The piezoelectric buzzer according to claim 1, wherein a fitting groove is formed on the inner peripheral surface of the case, and a fitting protrusion that tightly fits into the fitting groove is formed on the outer peripheral surface of the back cover. . (3) The piezoelectric buzzer according to claim 1, wherein the inner surface of the case is provided with a stepped protrusion that supports the piezoelectric diaphragm in a line contact state. (4) The piezoelectric buzzer according to claim 1, wherein the back cover is formed into a bowl shape and includes a protrusion whose opening edge contacts the piezoelectric diaphragm in a line contact state. (5) The piezoelectric buzzer according to claim 1, wherein the terminal has elasticity at the tip side that contacts the piezoelectric diaphragm, and the contact portion is formed in a curved shape. (6) The piezoelectric buzzer according to claim 1, wherein the piezoelectric diaphragm is held between a stepped protrusion on the inner surface of the case and an elastic tip of a terminal supported by the back cover. (7) The piezoelectric buzzer according to claim 1, wherein the terminal is embedded in a resin-molded back cover so as to include long plate-like bodies arranged in parallel, and is bent.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988035949U JPH0713038Y2 (en) | 1988-03-17 | 1988-03-17 | Piezoelectric buzzer |
| DE68919100T DE68919100T2 (en) | 1988-03-17 | 1989-03-10 | Piezoelectric buzzer and process for its production. |
| EP89104259A EP0333055B1 (en) | 1988-03-17 | 1989-03-10 | Piezoelectric buzzer and a method of manufacturing the same |
| US07/322,580 US4965483A (en) | 1988-03-17 | 1989-03-13 | Piezoelectric buzzer |
| CA000593791A CA1339427C (en) | 1988-03-17 | 1989-03-15 | Piezoelectric buzzer and a method of manufacturing the same |
| US07/430,565 US4989302A (en) | 1988-03-17 | 1989-11-01 | Method for manufacturing piezoelectric buzzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988035949U JPH0713038Y2 (en) | 1988-03-17 | 1988-03-17 | Piezoelectric buzzer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01139300U true JPH01139300U (en) | 1989-09-22 |
| JPH0713038Y2 JPH0713038Y2 (en) | 1995-03-29 |
Family
ID=31262575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988035949U Expired - Lifetime JPH0713038Y2 (en) | 1988-03-17 | 1988-03-17 | Piezoelectric buzzer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0713038Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58138499U (en) * | 1982-03-10 | 1983-09-17 | 日本特殊陶業株式会社 | piezoelectric buzzer |
| JPS59157396U (en) * | 1983-04-04 | 1984-10-22 | 松下電器産業株式会社 | piezoelectric sounding body |
| JPS61198998U (en) * | 1985-05-31 | 1986-12-12 |
-
1988
- 1988-03-17 JP JP1988035949U patent/JPH0713038Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58138499U (en) * | 1982-03-10 | 1983-09-17 | 日本特殊陶業株式会社 | piezoelectric buzzer |
| JPS59157396U (en) * | 1983-04-04 | 1984-10-22 | 松下電器産業株式会社 | piezoelectric sounding body |
| JPS61198998U (en) * | 1985-05-31 | 1986-12-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0713038Y2 (en) | 1995-03-29 |