JPH02215299A - Piezoelectric sounding body - Google Patents
Piezoelectric sounding bodyInfo
- Publication number
- JPH02215299A JPH02215299A JP3676389A JP3676389A JPH02215299A JP H02215299 A JPH02215299 A JP H02215299A JP 3676389 A JP3676389 A JP 3676389A JP 3676389 A JP3676389 A JP 3676389A JP H02215299 A JPH02215299 A JP H02215299A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- case
- fixing
- piezoelectric
- 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
- 239000012212 insulator Substances 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 20
- 238000005452 bending Methods 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 2
- 241000218645 Cedrus Species 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は各種警報器やキー操作確認音などの発音用等に
使用される圧電発音体に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a piezoelectric sounding body used for producing sounds such as various alarm devices and key operation confirmation sounds.
従来の技術
従来、この種の圧電発音体は、第３図、第４図に示すよ
うな構成であった。第３図、第４図において、１は薄い
金属板２に薄い圧電磁器板３を貼り合わせた構造の圧電
振動板である。この圧電振動板１を放音孔４を持ったケ
ース５に接着固定しており、金属リード端子６にケース
５の凹部７に設けた凸部８を貫通させ、凸部８を熱で溶
着し固定していた。また、圧電振動板１と金属リード端
子６はこのリード端子６と一体に形成されている切片９
の先端をはんだ付け１０することにより電気的に接続し
ていた。2. Description of the Related Art Conventionally, this type of piezoelectric sounding body has a structure as shown in FIGS. 3 and 4. In FIGS. 3 and 4, reference numeral 1 denotes a piezoelectric diaphragm having a structure in which a thin piezoelectric ceramic plate 3 is bonded to a thin metal plate 2. This piezoelectric diaphragm 1 is adhesively fixed to a case 5 having a sound emitting hole 4, and a metal lead terminal 6 is passed through a convex part 8 provided in a concave part 7 of the case 5, and the convex part 8 is welded by heat. It was fixed. Furthermore, the piezoelectric diaphragm 1 and the metal lead terminal 6 are connected to a section 9 that is integrally formed with the lead terminal 6.
It was electrically connected by soldering 10 the tips of the two.
発明が解決しようとする課題
このような従来の構成では、金属リード端子６はケース
５の凹部７に設けた凸部８を貫通挿入し、凸部８を熱で
溶着し固定する構成になっている。そのため温度の変化
などで溶着固定している部分が緩み、金属リード端子６
がガタつくという課題があった。Problems to be Solved by the Invention In such a conventional configuration, the metal lead terminal 6 is inserted through the protrusion 8 provided in the recess 7 of the case 5, and the protrusion 8 is welded and fixed by heat. There is. As a result, the parts that are welded and fixed due to temperature changes may become loose, causing the metal lead terminal 6 to loosen.
There was an issue with the unit becoming unsteady.
本発明はこのような課題を解決するもので、温度の変化
などがあっても、金属リード端子がガタつくということ
もない圧電発音体を提供することを目的とするものであ
る。The present invention is intended to solve these problems, and aims to provide a piezoelectric sounding element whose metal lead terminals do not shake even when there is a change in temperature.
課題を解決するための手段
この課題を解決するために本発明は、金属リード端子の
固定部をケースの固定穴に挿入嵌合して固定した後、端
子部を略９０”曲げ、この端子部を前記ケースに形成し
た両壁が徐々に狭くなる通路下の固定部に固定したもの
である。Means for Solving the Problems In order to solve this problem, the present invention provides that after the fixing part of the metal lead terminal is inserted into the fixing hole of the case and fixed, the terminal part is bent approximately 90'' and the terminal part is fixed to a fixed part under a passage formed in the case where both walls gradually become narrower.
作用
この構成によれば、金属リード端子はその固定部を固定
穴に挿入し、また、端子部は両壁が徐々に狭くなる通路
下の固定部に固定したものであるので、ガタつくという
こともない圧電発音体を提供することができる。Effect: According to this configuration, the fixed part of the metal lead terminal is inserted into the fixed hole, and the terminal part is fixed to the fixed part under the passage where both walls gradually narrow, so there is no possibility of wobbling. It is possible to provide a piezoelectric sounding body without any noise.
実施例
第１図は本発明の一実施例である。第１図（ａ）は正面
図、同図（ｂ）は底面図、同図（Ｃ）は同図（ａ）のＡ
−０−Ｂ断面図であり、第１図において１１はプラスチ
ックなどの絶縁体よりなるケースである。１２は金属板
１３に圧電素子１４を貼り合わせた圧電撮動板である。Embodiment FIG. 1 shows an embodiment of the present invention. Figure 1(a) is a front view, Figure 1(b) is a bottom view, Figure 1(C) is A of Figure 1(a).
-0-B sectional view, and in FIG. 1, 11 is a case made of an insulator such as plastic. 12 is a piezoelectric imaging plate in which a piezoelectric element 14 is bonded to a metal plate 13.
１５．１６はケース１１に固定された金属リード端子で
ある。１７．１８は金属リード端子１５．１６の第２図
の端子部１９を固定させるための徐々に狭（なる壁面で
、その下方に固定部１５Ａが設けられている。15 and 16 are metal lead terminals fixed to the case 11. Reference numerals 17 and 18 denote walls that become gradually narrower for fixing the terminal portions 19 of FIG. 2 of the metal lead terminals 15 and 16, and a fixing portion 15A is provided below.
本実施例においては先ず、ケース１１の固定穴２０に第
２図のごとく平板状の金属リード端子１５．１６の固定
部１９を挿入し、この固定部１つのバネ部２１で第１図
（Ｃ）のごと（固定する。そして端子部２２を９０”折
り曲げ、壁１７．１８間を介して固定部１５Ａにはめ込
み固定する。ここで、２３は端子の強度を得るための補
強用リブであり、２４は端子部２２を９０’折り曲げる
際に容易にできるようにするためのスリットである。In this embodiment, first, the fixing part 19 of the flat metal lead terminal 15, 16 is inserted into the fixing hole 20 of the case 11 as shown in FIG. ), then bend the terminal part 22 by 90" and fit and fix it into the fixing part 15A through the walls 17 and 18. Here, 23 is a reinforcing rib to obtain the strength of the terminal, Reference numeral 24 denotes a slit to facilitate bending the terminal portion 22 by 90'.
また２５は圧電振動板１２への固定片で、１８０゜折り
曲げた後半田付け２６される。Further, 25 is a fixing piece to the piezoelectric diaphragm 12, which is bent 180 degrees and soldered 26 to the latter half.
発明の効果
以上のように本発明によれば、温度の変化により端子が
ガタつくことなく堅固に固定されるという効果が得られ
る。Effects of the Invention As described above, according to the present invention, it is possible to obtain the effect that the terminal is firmly fixed without wobbling due to a change in temperature.
第１図（ａ）〜（Ｃ）は本発明の一実施例による圧電発
音体を示す正面図、底面図、第１図（ａ）のＡ−０−Ｂ
断面図、第２図（ａ）、 （ｂ）は本発明の一実施例に
よる金属リード端子の正面図、右側面図、第３図は従来
の圧電発音体を示す正面図、第４図は従来の圧電発音体
を示す断面図である。
１１・・・・・・ケース、１２・・・・・・圧電撮動板
、１３・・・・・・金属板、１４・・・・・・圧電素子
、１５．１６・・・・・・金属リード端子、１７．１８
・・・・・・壁、１９・旧・・固定部、２２・・・・・
・端子部。
代理人の氏名 弁理士 粟野重孝 ほか１多筒
図
１１−ケース
１２− 圧ｔＳ動坂
１３− 金／ＩＩ！諷
ｔ４−８ を索子
／、５，１乙−金属リード端菩
／７．／ａ−一健杉凸部
（の２
（Ｃ〕
吊
図
（勾
Ｃｂ）
富
図
第
図FIGS. 1(a) to (C) are a front view and a bottom view showing a piezoelectric sounding element according to an embodiment of the present invention, A-0-B of FIG. 1(a)
2(a) and 2(b) are a front view and right side view of a metal lead terminal according to an embodiment of the present invention, FIG. 3 is a front view showing a conventional piezoelectric sounding body, and FIG. 4 is a front view of a metal lead terminal according to an embodiment of the present invention. FIG. 2 is a cross-sectional view showing a conventional piezoelectric sounding body. 11... Case, 12... Piezoelectric imaging plate, 13... Metal plate, 14... Piezoelectric element, 15.16... Metal lead terminal, 17.18
・・・・・・Wall, 19・Old・Fixed part, 22・・・・
・Terminal section. Name of agent Patent attorney Shigetaka Awano and 1 other figures 11 - Case 12 - Pressure tS Dosaka 13 - Fri/II! Synonyms: t4-8, 5, 1 - metal lead end, 7. /a-Ikken cedar convex part (2 (C) Hanging map (gradient Cb) Tomi map diagram
Claims (1)
電振動板と、この圧電振動板を取り付けた絶縁体よりな
るケースと、前記圧電振動板と外部と電気的に接続する
ための金属リード端子とからなり、この金属リード端子
はその固定部を、前記ケースの固定穴に挿入嵌合して固
定後、端子部を略９０゜曲げ、この端子部を前記ケース
に形成した両壁が徐々に狭くなる通路下の固定部に固定
した圧電発音体。A piezoelectric diaphragm formed by bonding a piezoelectric element to a thin plate such as a metal plate, a case made of an insulator to which this piezoelectric diaphragm is attached, and a metal lead terminal for electrically connecting the piezoelectric diaphragm to the outside. After the metal lead terminal is fixed by inserting and fitting the fixing part into the fixing hole of the case, the terminal part is bent approximately 90 degrees, and both walls of the terminal part formed in the case are gradually bent. A piezoelectric sounding element fixed to a fixed part under the narrowing passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1036763A JP2543172B2 (en) | 1989-02-16 | 1989-02-16 | Piezoelectric sounder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1036763A JP2543172B2 (en) | 1989-02-16 | 1989-02-16 | Piezoelectric sounder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02215299A true JPH02215299A (en) | 1990-08-28 |
| JP2543172B2 JP2543172B2 (en) | 1996-10-16 |
Family
ID=12478794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1036763A Expired - Lifetime JP2543172B2 (en) | 1989-02-16 | 1989-02-16 | Piezoelectric sounder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2543172B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6395397U (en) * | 1986-12-10 | 1988-06-20 |
-
1989
- 1989-02-16 JP JP1036763A patent/JP2543172B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6395397U (en) * | 1986-12-10 | 1988-06-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2543172B2 (en) | 1996-10-16 |
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