JPS5976197U - piezoelectric sounding body - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の圧電発音体を示す断面図、第２図は同底
面図、第３図は圧電発音体を機器に取付けた状態を示す
側面図、第４図は第３図の拡大断面図、第５図は本考案
に係る圧電発音体の一実施例を示す断面図、第６図は同
底面図、第７図は同拡大側面図、第８図は同圧電尭音体
を機器に取付けた状態を示す断面図である。 １・・・・・・振動板、２・・・・・・圧電磁器板、３
・・・・・・振動節部、１３・・・・・・放音孔、１５
・・・・・・圧電ブザー素子、１６・・・・・・振動節
部保持部、１７．２０・・・・・・角穴、１８・・・・
・・ケース、１９・・・・・・外縁部。Figure 1 is a sectional view showing a conventional piezoelectric sounding element, Figure 2 is a bottom view of the same, Figure 3 is a side view showing the piezoelectric sounding element installed in a device, and Figure 4 is an enlarged cross section of Figure 3. 5 is a sectional view showing an embodiment of the piezoelectric sounding body according to the present invention, FIG. 6 is a bottom view of the same, FIG. 7 is an enlarged side view of the same, and FIG. FIG. 1... Vibration plate, 2... Piezoelectric ceramic plate, 3
... Vibration node part, 13 ... Sound emission hole, 15
...Piezoelectric buzzer element, 16...Vibration node holding part, 17.20...Square hole, 18...
...Case, 19...Outer edge.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 薄い圧電磁器板をそれより面積の大きな薄い金属板でで
きた振動板に貼り合せてなる圧電ブザー素子の上記振動
板の振動節部を放音孔を有するケースに固定し、上記ケ
ースの外縁部及び振動節部保持部に少なくとも３ｘ４ｍ
ｍ以上の大きさの角穴をそれぞれ１ヶ以上設けた圧電発
音体。A piezoelectric buzzer element is formed by bonding a thin piezoelectric ceramic plate to a diaphragm made of a thin metal plate with a larger area, and the vibration nodes of the diaphragm are fixed to a case having a sound emission hole, and the outer edge of the case is fixed. and at least 3x4m on the vibration node holding part.
A piezoelectric sounding element each having one or more square holes with a size of m or more.