JPH09218106A - Buzzer mounting structure for electronic clnical thermometer - Google Patents
Buzzer mounting structure for electronic clnical thermometerInfo
- Publication number
- JPH09218106A JPH09218106A JP8024233A JP2423396A JPH09218106A JP H09218106 A JPH09218106 A JP H09218106A JP 8024233 A JP8024233 A JP 8024233A JP 2423396 A JP2423396 A JP 2423396A JP H09218106 A JPH09218106 A JP H09218106A
- Authority
- JP
- Japan
- Prior art keywords
- buzzer
- recess
- mounting structure
- electronic
- case body
- 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
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電子体温計のブザ
ー取付構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buzzer mounting structure for an electronic thermometer.
【０００２】[0002]
【従来の技術】一般に、電子体温計の内部には圧電素子
と振動板とで構成されるブザーが内蔵されており、ブザ
ーが鳴ることで検温時間の終了を知らせるようにしてい
る。この種のブザーは、圧電素子と振動板との電極間に
振動電圧が加わると圧電素子が振動を起こし、圧電素子
の下面に貼着された振動板を増幅発音させてブザー音を
発する構造となっている。2. Description of the Related Art Generally, an electronic clinical thermometer has a built-in buzzer including a piezoelectric element and a vibrating plate, and the buzzer sounds to notify the end of the temperature measuring time. This type of buzzer has a structure in which a piezoelectric element vibrates when an oscillating voltage is applied between the electrodes of the piezoelectric element and the vibration plate, and the vibration plate attached to the lower surface of the piezoelectric element is amplified to generate a buzzer sound. Has become.
【０００３】従来、電子体温計に内蔵されるブザーの取
付構造は次のようなものとなっていた。例えば、図５及
び図６に示した第１の従来例では、多くの電子部品１を
搭載した基板モジュール２の一端部に圧電素子４と振動
板５とで構成されるブザー３の載置部６を設けておき、
この載置部６の底面に振動板５の下面を接着剤７により
固定したものである。Conventionally, the mounting structure of the buzzer incorporated in the electronic thermometer has been as follows. For example, in the first conventional example shown in FIGS. 5 and 6, the mounting portion of the buzzer 3 including the piezoelectric element 4 and the diaphragm 5 at one end of the substrate module 2 on which many electronic components 1 are mounted. 6 is provided,
The lower surface of the diaphragm 5 is fixed to the bottom surface of the mounting portion 6 with an adhesive 7.
【０００４】また、図７及び図８に示した第２の従来例
は、上記基板モジュールを取り付けるための中枠８が別
個に設けられた電子体温計の例であり、中枠８の一端部
にブザー３を収納するための凹部９を設けておき、この
凹部９に収納したブザー３の上方に押え板１０を被せ、
この押え板１０で振動板５の周囲を押え込むと共に中枠
８に嵌め込むことでブザー３を固定していた。The second conventional example shown in FIGS. 7 and 8 is an example of an electronic thermometer in which an inner frame 8 for mounting the substrate module is separately provided, and one end of the inner frame 8 is provided. A concave portion 9 for accommodating the buzzer 3 is provided, and a holding plate 10 is put over the buzzer 3 accommodated in the concave portion 9,
The buzzer 3 was fixed by pressing the periphery of the diaphragm 5 with the pressing plate 10 and fitting it into the middle frame 8.
【０００５】更に、図９及び図１０に示した第３の従来
例は、ケース本体１１の裏蓋１２に接着剤７を介してブ
ザー３の振動板５を接着固定したものである。Further, in the third conventional example shown in FIGS. 9 and 10, the diaphragm 5 of the buzzer 3 is adhered and fixed to the back cover 12 of the case body 11 via the adhesive 7.
【０００６】[0006]
【発明が解決しようとする課題】しかしながら、上記従
来のブザー取付構造にあっては、第１の従来例および第
３の従来例の場合、振動板５を固定するためには接着剤
７の塗布工程が必要となり、また第２の従来例の場合、
中枠８とは別に振動板５を固定するための押え板１０が
必要となる上、これを中枠８に嵌め込むための作業工程
が必要となっており、両者共に組立工数が掛かるといっ
た問題があった。However, in the above conventional buzzer mounting structure, in the case of the first conventional example and the third conventional example, the adhesive 7 is applied in order to fix the diaphragm 5. A process is required, and in the case of the second conventional example,
In addition to the need for a holding plate 10 for fixing the diaphragm 5 in addition to the middle frame 8, a work process for fitting the holding plate 10 into the middle frame 8 is required, which requires a lot of assembly man-hours for both. was there.
【０００７】そこで、本発明は、ブザーの振動板を固定
するのに、上述のような接着工程や嵌め入れ工程、また
押え板のような別部品を必要としない簡易な取付構造の
提供を目的とするものである。Therefore, an object of the present invention is to provide a simple mounting structure that does not require the above-mentioned bonding step and fitting step, and another component such as a holding plate to fix the vibration plate of the buzzer. It is what
【０００８】[0008]
【課題を解決するための手段】すなわち、上記課題を解
決するために、本発明に係る電子体温計のブザー取付構
造は、電子体温計の各種電子部品を搭載した基板モジュ
ールにブザーを収納するための凹部を設け、この凹部を
取り囲む縦壁にブザーを係止するフック部を設ける一
方、電子体温計のケース本体には基板モジュールの凹部
を差し込み固定する水平方向の張出部を設け、該張出部
と前記フック部とでブザーを固定したことを特徴とす
る。本発明はこのようなブザー取付構造を採用したこと
により、接着工程が不要となり、また押え板のような別
部品を用いることなく簡易且つ確実にブザーの振動板を
固定することができる。That is, in order to solve the above-mentioned problems, a buzzer mounting structure for an electronic thermometer according to the present invention has a recess for accommodating the buzzer in a board module on which various electronic parts of the electronic thermometer are mounted. And a hook portion for locking the buzzer is provided on the vertical wall surrounding the recess, and a horizontal projection for inserting and fixing the recess of the substrate module is provided on the case body of the electronic thermometer. A buzzer is fixed to the hook portion. By adopting such a buzzer mounting structure, the present invention eliminates the need for a bonding step and can easily and reliably fix the buzzer diaphragm without using a separate part such as a holding plate.
【０００９】[0009]
【発明の実施の形態】以下、添付図面に基づいて本発明
に係る電子体温計のブザー取付構造の実施例を詳細に説
明する。図１乃至図４は、本発明に係るブザー取付構造
の一実施例を示したものである。この実施例に係るブザ
ー２０は、丸形の圧電素子２１とその下面に貼着された
やや大きめの振動板２２とで構成される。基板モジュー
ル２３の一端部にはブザー２０を収納するための凹部２
４が設けられているが、この凹部２４は上記振動板２２
と略同じ大きさである。凹部２４を取り囲む円周状の縦
壁２５の内部にはこれと同心円状の内周壁２７および底
壁２８によって構成された振動板２２の載置台２６が設
けられている。前記内周壁２７は凹部２４の縦壁２５の
高さよりやや低く、また底壁２８の中心部には放音孔２
９が設けられている。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a buzzer mounting structure for an electronic thermometer according to the present invention will be described in detail below with reference to the accompanying drawings. 1 to 4 show an embodiment of a buzzer mounting structure according to the present invention. The buzzer 20 according to this embodiment is composed of a round piezoelectric element 21 and a slightly larger vibration plate 22 attached to the lower surface thereof. A recess 2 for accommodating the buzzer 20 is provided at one end of the board module 23.
4 is provided, and this recess 24 is provided in the diaphragm 22.
Is about the same size as. Inside the circumferential vertical wall 25 surrounding the recess 24, there is provided a mounting table 26 for the diaphragm 22 constituted by an inner circumferential wall 27 and a bottom wall 28 which are concentric with the vertical vertical wall 25. The inner peripheral wall 27 is slightly lower than the height of the vertical wall 25 of the recess 24, and the sound emitting hole 2 is provided at the center of the bottom wall 28.
9 are provided.
【００１０】また、上記縦壁２５の上面には基板モジュ
ール２３の前後側に一対のフック部３０，３１が設けら
れている。このフック部３０，３１は、上面から凹部２
４側に爪状に突出して設けられ、上記凹部２４内に振動
板２２を収納した時に振動板２２の周縁部に係止してブ
ザー２０を仮止めするためのものである。仮止めする際
には、図１及び図４に示したように、フック部３０又は
３１を上方側に撓ませてから嵌め込む。これらのフック
部３０，３１は、いずれも縦壁２５の円周に沿って湾曲
して設けられているが、図示したように、前側のフック
部３０と後側のフック部３１とでその長さ寸法が異なっ
ている。A pair of hook portions 30 and 31 are provided on the upper surface of the vertical wall 25 on the front and rear sides of the board module 23. The hook portions 30 and 31 are formed from the upper surface to the concave portion 2
It is provided so as to project in a claw shape on the fourth side, and is for temporarily fixing the buzzer 20 by locking it on the peripheral edge of the diaphragm 22 when the diaphragm 22 is housed in the recess 24. When temporarily fixing, as shown in FIGS. 1 and 4, the hook portion 30 or 31 is bent upward and then fitted. These hook portions 30 and 31 are both curved and provided along the circumference of the vertical wall 25, but as shown in the figure, the front hook portion 30 and the rear hook portion 31 have a long length. The dimensions are different.
【００１１】一方、図２に示したように、電子体温計の
ケース本体３５の内部には、上記基板モジュール２３の
凹部２４を差し込み固定する水平方向の張出部３６，３
７が設けられている。この張出部３６，３７は、ケース
本体３５の両肩部に前後方向に長い略三角形状の板状部
材として設けられており、基板モジュール２３を差し込
んだ時に凹部２４の両側部に被さり、張出部３６，３７
の下面が振動板２２の上面に当たって固定する。On the other hand, as shown in FIG. 2, in the case main body 35 of the electronic thermometer, the horizontal projections 36 and 3 for inserting and fixing the recess 24 of the substrate module 23 are fixed.
7 are provided. The projecting portions 36 and 37 are provided on both shoulders of the case body 35 as plate-shaped members having a substantially triangular shape that is long in the front-rear direction, and cover the both sides of the recess 24 when the board module 23 is inserted, and the projecting portions 36 and 37 are stretched. Outlets 36, 37
The lower surface of the plate contacts the upper surface of the vibration plate 22 and is fixed.
【００１２】次に、上記構成からなる基板モジュール２
３のフック部３０，３１及びケース本体３５の張出部３
６，３７によってブザー２０を固定する際の手順を説明
する。先ず基板モジュール２３の凹部２４内にブザー２
０を収納して仮止めする場合について説明する。図１に
示したように、基板モジュール２３の前側から凹部２４
内に振動板２２を斜めに挿入し、後側のフック部３１の
下面にもぐり込ませる。次いで前側のフック部３０を上
方側に撓ませ振動板２２全体を凹部２４内に嵌め入れ
る。ブザー２０は、載置台２６の上に位置決めされ、ま
たフック部３０，３１が振動板２２の前後側の周縁部に
係止することで仮止めされる。なお、この状態におい
て、振動板２２の位置は凹部２４の縦壁２５の上面より
やや高くなっている。Next, the substrate module 2 having the above structure
Hook portions 30 and 31 of 3 and overhanging portion 3 of the case body 35
A procedure for fixing the buzzer 20 with 6, 37 will be described. First, the buzzer 2 is placed in the recess 24 of the substrate module 23.
A case where 0 is stored and temporarily fixed will be described. As shown in FIG. 1, the recess 24 is formed from the front side of the substrate module 23.
The vibrating plate 22 is obliquely inserted therein, and is inserted into the lower surface of the rear hook portion 31. Next, the hook 30 on the front side is bent upward, and the entire diaphragm 22 is fitted into the recess 24. The buzzer 20 is positioned on the mounting table 26, and the hook portions 30 and 31 are temporarily fixed by locking the front and rear peripheral portions of the diaphragm 22. In this state, the position of the diaphragm 22 is slightly higher than the upper surface of the vertical wall 25 of the recess 24.
【００１３】次いで、図２に示したように、上記基板モ
ジュール２３を凹部２４側からケース本体３５内に差し
込む。このとき基板モジュール２３の凹部２４を張出部
３６，３７の下面側にスライドさせることで、張出部３
６，３７の下面に凹部２４の縦壁２５の上面が当たって
基板モジュール２３がケース本体３５に固定されると同
時に、振動板２２の両側周縁部も張出部３６，３７の下
面に押さえ込まれて、ケース本体３５にしっかりと固定
されることになる。Then, as shown in FIG. 2, the board module 23 is inserted into the case body 35 from the recess 24 side. At this time, the concave portion 24 of the substrate module 23 is slid to the lower surface side of the overhanging portions 36 and 37, so that the overhanging portion 3
At the same time that the upper surfaces of the vertical walls 25 of the recesses 24 are brought into contact with the lower surfaces of 6, 37 to fix the board module 23 to the case body 35, the peripheral edges of both sides of the diaphragm 22 are also pressed down by the lower surfaces of the overhang portions 36, 37. Then, it is firmly fixed to the case body 35.
【００１４】[0014]
【発明の効果】以上説明したように、本発明に係る電子
体温計のブザー取付構造によれば、基板モジュール側に
設けたフック部と、ケース本体側に設けた張出部とでブ
ザーを固定したので、従来のように接着剤や別部品を用
いなくても取り付けることができ、接着工程や部品数を
削減することによって、電子体温計の組立作業を簡素化
することができるといった効果を奏する。As described above, according to the buzzer mounting structure of the electronic thermometer according to the present invention, the buzzer is fixed by the hook portion provided on the board module side and the projecting portion provided on the case body side. Therefore, it can be attached without using an adhesive or a separate component as in the conventional case, and the assembly work of the electronic thermometer can be simplified by reducing the bonding step and the number of components.
【図１】基板モジュールのフック部にブザーを仮止めす
る時の斜視図である。FIG. 1 is a perspective view when temporarily fixing a buzzer to a hook portion of a board module.
【図２】ケース本体の張出部にブザーを固定する時の斜
視図である。FIG. 2 is a perspective view when fixing the buzzer to the projecting portion of the case body.
【図３】ケース本体の張出部にブザーを固定した状態の
平面図である。FIG. 3 is a plan view showing a state in which a buzzer is fixed to the projecting portion of the case body.
【図４】上記図３のＡ−Ａ線断面図である。4 is a sectional view taken along the line AA of FIG.
【図５】第１の従来例のブザー取付構造を示す基板モジ
ュールの斜視図である。FIG. 5 is a perspective view of a board module showing a buzzer mounting structure of a first conventional example.
【図６】上記図５のＢ−Ｂ線断面図である。FIG. 6 is a sectional view taken along line BB of FIG. 5;
【図７】第２の従来例のブザー取付構造を示す中枠の斜
視図である。FIG. 7 is a perspective view of a middle frame showing a buzzer mounting structure of a second conventional example.
【図８】上記図７のＣ−Ｃ線断面図である。FIG. 8 is a sectional view taken along line CC of FIG. 7;
【図９】第３の従来例のブザー取付構造を示す裏蓋の内
側斜視図である。FIG. 9 is an inner perspective view of a back cover showing a buzzer mounting structure of a third conventional example.
【図１０】上記図９のＤ−Ｄ線断面図である。10 is a cross-sectional view taken along line DD of FIG.
２０ ブザー ２３ 基板モジュール ２４ 凹部 ２５ 縦壁 ３０ フック部 ３１ フック部 ３５ ケース本体 ３６ 張出部 ３７ 張出部 20 Buzzer 23 Board Module 24 Recess 25 Vertical Wall 30 Hook 31 Hook 35 Case Body 36 Overhang 37 Overhang
Claims (1)
板モジュールにブザーを収納するための凹部を設け、こ
の凹部を取り囲む縦壁にブザーを係止するフック部を設
ける一方、電子体温計のケース本体には基板モジュール
の凹部を差し込み固定する水平方向の張出部を設け、該
張出部と前記フック部とでブザーを固定したことを特徴
とする電子体温計のブザー取付構造。1. An electronic thermometer case body is provided with a recess for accommodating a buzzer in a board module on which various electronic parts of an electronic thermometer are mounted, and a hook portion for locking the buzzer is provided on a vertical wall surrounding the recess. A buzzer mounting structure for an electronic thermometer, wherein a horizontal protruding portion for inserting and fixing a concave portion of the substrate module is provided in, and a buzzer is fixed by the protruding portion and the hook portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2423396A JP3599871B2 (en) | 1996-02-09 | 1996-02-09 | Electronic thermometer buzzer mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2423396A JP3599871B2 (en) | 1996-02-09 | 1996-02-09 | Electronic thermometer buzzer mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09218106A true JPH09218106A (en) | 1997-08-19 |
| JP3599871B2 JP3599871B2 (en) | 2004-12-08 |
Family
ID=12132548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2423396A Expired - Fee Related JP3599871B2 (en) | 1996-02-09 | 1996-02-09 | Electronic thermometer buzzer mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3599871B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2395794A (en) * | 2002-11-28 | 2004-06-02 | Actherm Inc | Detachable two-part clinical thermometer |
| WO2005031294A1 (en) * | 2003-09-30 | 2005-04-07 | Citizen Watch Co., Ltd. | Clinical thermometer |
| CN100390513C (en) * | 2003-05-06 | 2008-05-28 | 陈三莲 | Electronic thermometer with sounding |
| CN100424484C (en) * | 2003-09-30 | 2008-10-08 | 西铁城控股株式会社 | Clinical thermometer |
-
1996
- 1996-02-09 JP JP2423396A patent/JP3599871B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2395794A (en) * | 2002-11-28 | 2004-06-02 | Actherm Inc | Detachable two-part clinical thermometer |
| GB2395794B (en) * | 2002-11-28 | 2006-02-01 | Actherm Inc | Assembly method and structure of an electronic clinical thermometer |
| CN100390513C (en) * | 2003-05-06 | 2008-05-28 | 陈三莲 | Electronic thermometer with sounding |
| WO2005031294A1 (en) * | 2003-09-30 | 2005-04-07 | Citizen Watch Co., Ltd. | Clinical thermometer |
| US7393137B2 (en) | 2003-09-30 | 2008-07-01 | Citizen Holdings Co. Ltd. | Clinical thermometer |
| CN100424484C (en) * | 2003-09-30 | 2008-10-08 | 西铁城控股株式会社 | Clinical thermometer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3599871B2 (en) | 2004-12-08 |
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