JPS5819890Y2 - Waterproofing device for door mounted speakers - Google Patents
Waterproofing device for door mounted speakersInfo
- Publication number
- JPS5819890Y2 JPS5819890Y2 JP1979043769U JP4376979U JPS5819890Y2 JP S5819890 Y2 JPS5819890 Y2 JP S5819890Y2 JP 1979043769 U JP1979043769 U JP 1979043769U JP 4376979 U JP4376979 U JP 4376979U JP S5819890 Y2 JPS5819890 Y2 JP S5819890Y2
- Authority
- JP
- Japan
- Prior art keywords
- door
- speaker
- waterproof
- sheet
- rain guard
- 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.)
- Expired
Links
Landscapes
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Description
【考案の詳細な説明】
本考案は、自動車等のドアに背面部が埋設されるドアマ
ウントスピーカを、音響効果を損なわせずに雨水等から
保護する防水装置に関する。[Detailed Description of the Invention] The present invention relates to a waterproof device that protects a door-mounted speaker whose rear portion is buried in a door of an automobile or the like from rainwater, etc., without impairing the acoustic effect.
この種のドアマウントスピーカを自動車ドアに装着する
方法には、第１図に示すように特性のレインガードを用
いない装着方法と、第２図に示すように特製のレインガ
ードを用いる装着方法がある。There are two ways to attach this type of door-mounted speaker to a car door: one without using a special rain guard, as shown in Figure 1, and the other with a special rain guard, as shown in Figure 2. be.
自動車のドア１は周知のようにドア鉄板２が中空となっ
ていて窓ガラス３は該ドア鉄板の上部開口２ｂを通して
該ドア鉄板内部へ収納され得るようになっている。As is well known, an automobile door 1 has a hollow door iron plate 2 so that a window glass 3 can be housed inside the door iron plate through an upper opening 2b of the door iron plate.
普た一般にはドア鉄板２の内側面に予めスピーカ等の機
器の橡＋ｒ”ＦＬ ２ ａが設けられており、そしてこ
の内側面にはドアボード５がホ付けられ、該ドアボード
と鉄板内側筒との間に防水ビニール４が介挿されて車内
−・雨水等が進入す−るのを防止する構造となっている
１、第１図の例ではスピーカ６を該Ｔ１ｖｆｏｒｔ ２
ａを利用してドア１へ、背面部を埋込んだ状態で取付
け。Generally speaking, the inner surface of the door iron plate 2 is provided with a cover for equipment such as a speaker in advance, and a door board 5 is attached to this inner surface, and the door board and the inner cylinder of the iron plate are connected to each other. A waterproof vinyl 4 is inserted between the T1vfort 2 and the T1vfort 2 to prevent rainwater from entering the inside of the car.In the example shown in FIG.
Use a to attach to door 1 with the back part recessed.
そしてこの際防水ビニール４がスピーカ６の背面部を包
むようにして該背面部を防水する。At this time, the waterproof vinyl 4 wraps the back surface of the speaker 6 to make the back surface waterproof.
自動車が雨天時に走行し筐たは洗車を行なうと雨水がか
かるが、この雨水は中空状のドア鉄板２内へ侵入する。When a car runs in the rain and the car is washed, rainwater splashes on the case, and this rainwater enters the hollow door iron plate 2.
侵入経路は主として上部開口部２ｂを通るものであり、
この開口部にはゴムパツキンが施されているが、実験し
て見れば明らかなように可成の雨水がドア鉄板内部へ滴
下してくる。The entry route is mainly through the upper opening 2b,
This opening is fitted with a rubber seal, but testing has shown that a considerable amount of rainwater drips into the door's steel plate.
防水ビニール４が第１図のようにスピーカ背面部を覆っ
ていると、ドア鉄板２の上部開口２ｂから進入する水滴
（実線および破線矢印で示す）がスピーカ６のコーン紙
等に付着することはこの防水ビニールにより確実に防止
される。When the waterproof vinyl 4 covers the back of the speaker as shown in FIG. 1, water droplets (indicated by solid lines and broken line arrows) entering from the upper opening 2b of the door iron plate 2 will not adhere to the cone paper etc. of the speaker 6. This waterproof vinyl will definitely prevent this.
またビニールシートは変形自在であるから背圧上も特に
問題はなく周波数特性は低域曾て延びているが、歪み特
性が問題となり、音量を上げた場合にスピーカ６のピス
トンモーションで柔軟な防水ビニール４が共振し、所謂
ビビリ音が発生する欠点がある。In addition, since the vinyl sheet is deformable, there is no particular problem with back pressure, and the frequency response extends to the low range, but distortion characteristics become an issue, and when the volume is increased, the piston motion of the speaker 6 causes the flexible waterproofing. There is a drawback that the vinyl 4 resonates and a so-called chattering sound is generated.
第２図の例は、防水ビニール４による音響特性の劣化を
避けるために、取付孔２ａ部分のビニール４を破って除
去し、特製のレインガード７でスピーカ６の背面部に水
滴が付着するのを防止するようにしたものである。In the example shown in Fig. 2, in order to avoid deterioration of the acoustic characteristics due to the waterproof vinyl 4, the vinyl 4 at the mounting hole 2a is torn and removed, and a specially made rain guard 7 is installed to prevent water droplets from adhering to the back of the speaker 6. It is designed to prevent this.
第３図乃至第５図にレインガード７の異なる例を示す。Different examples of the rain guard 7 are shown in FIGS. 3 to 5.
第３図のレインガード７は合成樹脂を図示のフランジ付
き半カツプ状に成型してなるもので現在最も多く用いら
れており、スピーカ特性の劣化は少ないで、主に上方お
よび側方の一部から飛散する水滴のガード機能しかない
ため、ドア鉄板２内で反射した下方からの水滴に対して
は全く無防備である。The rain guard 7 shown in Fig. 3 is made of synthetic resin molded into a half-cup shape with flanges as shown in the figure, and is currently the most commonly used rain guard.There is little deterioration in speaker characteristics, mainly in the upper and side parts. Since the door only has the function of guarding against water droplets scattered from above, it is completely defenseless against water droplets reflected from below within the door iron plate 2.
シャワーテスト（雨水テスト）によれば下方から飛翔す
る水滴量は予想外に多く、従ってこの型のレインガード
の防水機能は不十分である。According to the shower test (rainwater test), the amount of water droplets flying from below was unexpectedly large, and therefore the waterproof function of this type of rain guard was insufficient.
第４図のレインガード７′ は最も簡易なものでスピー
カ６の上方のみを覆う構造であるため、第３図のレイン
ガード７より更に防水機能は低下する。Since the rain guard 7' shown in FIG. 4 is the simplest one and has a structure that covers only the upper part of the speaker 6, its waterproof function is lower than that of the rain guard 7 shown in FIG. 3.
第５図のレインガードγ“はスピーカ６の周囲を全て覆
う構造であるため防水機能は完壁であるが、スピーカ６
の背面部に閉塞状態の小空間が形成されるため低音のレ
ベルダウンや音圧レベルが劣化する欠点がある。The rain guard γ" shown in Figure 5 has a structure that covers the entire area around the speaker 6, so it has a complete waterproof function,
Since a small, closed space is formed at the back of the device, there are disadvantages in that the bass level is lowered and the sound pressure level is degraded.
周知のようにスピーカ背面部は音響的には開放され、耶
付板は無限大バッフルとなっているのが良いが、雨水防
止の点からはスピーカ背面部は密閉状態であるのが好ま
しい。As is well known, it is preferable for the rear surface of the speaker to be acoustically open and for the folding plate to form an infinite baffle, but from the viewpoint of preventing rainwater, it is preferable for the rear surface of the speaker to be in a sealed state.
本考案は、防水機能とスピーカ特性との矛盾するか＼る
問題を解決しようとするもので、中空状のドアの内側面
開口部に背面部を埋没して装着されるドアマウントスピ
ーカの防水装置にかいて、該ドアの内部に装着されて該
スピーカの背面部を覆う非通気、非通水性の剛性筒状部
材と、該筒状部材の一部に形成した開口を覆う通気、非
通水性の音響吸収シートとを備えることを特徴とするも
のであるが、以下これを図示の実施例を参照しながら詳
細に説明する。The present invention attempts to solve the problem of the conflict between waterproof function and speaker characteristics, and is a waterproof device for door-mounted speakers that are installed with the back part buried in the inner opening of a hollow door. A non-ventilated, water-impermeable rigid cylindrical member that is attached to the inside of the door and covers the rear surface of the speaker, and a ventilated, water-impermeable rigid cylindrical member that covers an opening formed in a part of the cylindrical member. This is characterized by comprising a sound absorbing sheet, which will be described in detail below with reference to illustrated embodiments.
第６図ａ、ｂは本考案の一実施例を示す断面図および斜
視図である。FIGS. 6a and 6b are a sectional view and a perspective view showing an embodiment of the present invention.
同図のレインガード１０は。平板状増付部１１．筒体１
２および該筒体の底面を覆う非通水性かつ通気性のシー
ト１３からなる。The rain guard 10 in the same figure is. Flat extension part 11. Cylinder 1
2 and a water-impermeable and breathable sheet 13 that covers the bottom surface of the cylindrical body.
堆付部１１および筒体１２Ｉ／′ｉプラスチツク素材で
一体成型されたもので、該筒体１２の一方の開口端面か
らスピーカ６の背面部が挿入される。The mounting portion 11 and the cylindrical body 12I/'i are integrally molded from a plastic material, and the rear surface of the speaker 6 is inserted through one open end surface of the cylindrical body 12.
筒体１２の他方の開口端面に接着もしくは一体に形成さ
れたシート１３は本例ではポリウレタンフォーム（多孔
質）シートであり、防水、音響吸収性を有する素材であ
る。In this example, the sheet 13 adhered to or integrally formed on the other open end surface of the cylindrical body 12 is a polyurethane foam (porous) sheet, which is a waterproof and sound-absorbing material.
ガラスウール（線状）ポリウレタンフォームの他にはス
ポスジ、各種プラスチックフオームシートなどを用いて
もよい。In addition to glass wool (linear) polyurethane foam, sposuji, various plastic foam sheets, etc. may be used.
かＳる構造のレインガード１０ば、第７図のように自動
車用ドア１に装着される。A rain guard 10 having a circular structure is attached to an automobile door 1 as shown in FIG.
即ちドア鉄板の前記増付孔２ａからレインガード１０の
筒体部を、防水ビニール４を破って挿入し、平板状増付
剖１１をドア鉄板２へ防水ビニール４を介して押し尚て
接着剤等を使用して固定する。That is, the cylindrical part of the rain guard 10 is inserted through the additional hole 2a of the door iron plate by tearing the waterproof vinyl 4, and the flat plate-like addition 11 is pushed back onto the door iron plate 2 through the waterproof vinyl 4, and then adhesive is applied. Fix it using etc.
この結果、ドア１の内部と車室内とは防水ビニール４、
筒体１２およびシート１３で水密に隔離される。As a result, the interior of the door 1 and the interior of the vehicle are covered with waterproof vinyl 4,
It is watertightly isolated by the cylindrical body 12 and the sheet 13.
即ち防水ビニール４およびプラスチック筒体１２は通気
、通水性はなく、そして、シート１３も通水性はないの
で、雨水が侵入することはない。That is, the waterproof vinyl 4 and the plastic cylinder 12 do not have air permeability or water permeability, and the sheet 13 also has no water permeability, so rainwater will not enter.
スピーカ６ばこの車室側にあるので防水は完壁に行なわ
れる。Since the speaker 6 is located on the passenger compartment side, it is completely waterproof.
一方、シート１３には通気性があるので、スピーカ６か
ら背面へ出る音は第６図ａの矢印Ａのようにシート１３
を通してドア１の内部空間へ放出され、該シートおよび
該内部空間で吸収される。On the other hand, since the sheet 13 has air permeability, the sound emitted from the speaker 6 to the back is directed to the sheet 13 as shown by arrow A in FIG. 6a.
is released into the interior space of the door 1 and absorbed by the sheet and the interior space.
従って、低音特性は良好になり、そしてポリウレタンな
どの厚手のシート１３は可聴周波数帯で共振するような
ことはないので、防水ビニール４で包んだ場合のように
該ビニールシートの共振によるビビリ音の発生は防止さ
れ、良好な音響特性が保たれる。Therefore, the bass characteristics are good, and since the thick sheet 13 made of polyurethane or the like does not resonate in the audible frequency band, the chattering sound caused by the resonance of the vinyl sheet can be reduced as in the case of wrapping with waterproof vinyl 4. This is prevented and good acoustic properties are maintained.
第８図は本考案の他の実施例である。FIG. 8 shows another embodiment of the present invention.
同図のレインガード１０は筒体１２の胴部に複数の通気
孔１４を設けると共に、筒体１２の開口底面部を同素材
の底部１５で閉塞し、さらに通気孔１４を内面（捷たは
外面）から防水、音響吸収（通気非通水性）シート１３
で覆ったものである。The rain guard 10 shown in the figure is provided with a plurality of ventilation holes 14 in the body of a cylinder 12, and the opening bottom of the cylinder 12 is closed with a bottom 15 made of the same material. Waterproof, sound-absorbing (breathable and water-impermeable) sheet 13 from the outside surface)
It is covered with
この場合もスピーカ６背面からの音は矢印Ｂで示すよう
に筒体１２の通気孔１４を通って中空ドア鉄板内部へ抜
けるので、音響特性を阻害することはない。In this case as well, the sound from the back of the speaker 6 passes through the ventilation hole 14 of the cylinder 12 into the hollow door iron plate as shown by arrow B, so that the acoustic characteristics are not impaired.
オたシート１３による吸音を充分行なわぜれば、レイン
ガード１０の背面近傍を防水ビニール４で覆って防水を
完全にしてもよい。If the sound absorption by the cover sheet 13 is sufficient, the vicinity of the back surface of the rain guard 10 may be covered with waterproof vinyl 4 to make it completely waterproof.
第９図は本考案の異なる実施例であり、シート１３を別
部品としてスピーカ６の背面に増付ける（接着する）も
のである。FIG. 9 shows a different embodiment of the present invention, in which the sheet 13 is added (adhered) to the back of the speaker 6 as a separate component.
従って、本例の筒体１２はシート１３とは分離されてお
り、そして同図ａの装着時にシート１３がスピーカ６の
背面を効果的に覆うように、同図すに示すシート１３の
径φＢをレインガード１２の後部開口径φＡより犬（φ
Ｂ〉φＡ）に設定しである。Therefore, the cylindrical body 12 of this example is separated from the seat 13, and the diameter φB of the seat 13 shown in FIG. from the rear opening diameter φA of the rain guard 12 (φ
B>φA).
以上述べたように本考案によれば、従来両立させること
が困難であったドアマウントスピーカの防水機能および
音響特性をいずれも良好にすることができるので、洗車
時、降雨時等に窓ガラスとの隙間から比較的多量の水が
内部へ入り込む自動車用ドアへのスピーカ装置に際し極
めて有効である。As described above, according to the present invention, it is possible to improve both the waterproof function and the acoustic characteristics of the door-mounted speaker, which were difficult to achieve in the past, so it is possible to improve both the waterproof function and the acoustic characteristics of the door-mounted speaker. This is extremely effective in speaker systems for automobile doors, where a relatively large amount of water enters the interior through the gaps.
なおこのスピーカ増付構造は自動車用に限らず、船舶用
などにも利用できる。Note that this speaker addition structure can be used not only for automobiles but also for ships.
特にスピーカ背面の大部分は非通気、非通水性の剛性筒
状部材で覆っているので、全てを音響吸収シートで覆う
場合より防水効果は高い。In particular, since most of the rear surface of the speaker is covered with a rigid cylindrical member that is non-ventilated and water-impermeable, the waterproofing effect is higher than if the entire back surface was covered with a sound-absorbing sheet.
第１図はレインガードを用いない従来のドアマウントス
ピーカの装着状態を示す断面図、第２図はレインガード
を用いた従来のドアマウントスピーカの装着状態を示す
断面図、第３図ａ、ｂ乃至第５図ａ、ｂは従来のレイン
ガードの異なる例を示す断面図および斜視図、第６図ａ
、ｂは本考案の一実施例を示す断面図および斜視図、第
７図は第６図のレインガードを用いたドアマウントスピ
ーカの装着状態を示す断面図、第８図は本考案の他の実
施例を示す断面図、第９図ａ、ｂは本考案の異なる実施
例を示す断面図および組立て図である。
図中、１はドア、２はドア鉄板、３は窓ガラス、４は防
水ビニール、５はドアボード、６はスピーカ、１０はレ
インガード、１１は平板増付部、１２は筒体、１３は防
水、音響吸収シート、１４は通気孔、１５は底部である
。Figure 1 is a cross-sectional view showing how a conventional door mount speaker is installed without using a rain guard, Figure 2 is a cross-sectional view showing how a conventional door mount speaker is installed using a rain guard, and Figures 3 a and b. Figures 5a to 5b are sectional views and perspective views showing different examples of conventional rain guards, and Figure 6a is a
, b are a cross-sectional view and a perspective view showing one embodiment of the present invention, FIG. 7 is a cross-sectional view showing a state in which a door-mounted speaker is installed using the rain guard of FIG. 6, and FIG. 8 is a cross-sectional view showing another embodiment of the present invention. 9a and 9b are cross-sectional views and assembly views showing different embodiments of the present invention. In the figure, 1 is a door, 2 is a door steel plate, 3 is a window glass, 4 is a waterproof vinyl, 5 is a door board, 6 is a speaker, 10 is a rain guard, 11 is a flat plate extension, 12 is a cylinder, and 13 is Waterproof and sound absorbing sheet, 14 is a ventilation hole, and 15 is a bottom part.
Claims (1)
れるドアマウントスピーカの防水装置において、該ドア
の内部に装着されて該スピーカの背面部を覆う非通気、
非通水性の剛性筒状部材と、該筒状部材の一部に形成し
た開口を覆う通気、非通水性の音響吸収シートとを備え
ることを特徴とするドアマウントスピーカの防水装置。In a waterproofing device for a door-mounted speaker that is installed with its back part buried in an opening on the inner side of a hollow door, a non-ventilated speaker that is installed inside the door and covers the back part of the speaker;
1. A waterproofing device for a door-mounted speaker, comprising: a water-impermeable rigid cylindrical member; and an air-permeable, water-impermeable sound-absorbing sheet that covers an opening formed in a portion of the cylindrical member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979043769U JPS5819890Y2 (en) | 1979-04-03 | 1979-04-03 | Waterproofing device for door mounted speakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979043769U JPS5819890Y2 (en) | 1979-04-03 | 1979-04-03 | Waterproofing device for door mounted speakers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55144472U JPS55144472U (en) | 1980-10-16 |
| JPS5819890Y2 true JPS5819890Y2 (en) | 1983-04-23 |
Family
ID=28918814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979043769U Expired JPS5819890Y2 (en) | 1979-04-03 | 1979-04-03 | Waterproofing device for door mounted speakers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5819890Y2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS622858Y2 (en) * | 1981-02-24 | 1987-01-22 | ||
| JPS5854954U (en) * | 1981-10-12 | 1983-04-14 | 富士通テン株式会社 | Installation structure of vehicle door mount speaker |
| JPH0648871B2 (en) * | 1982-12-15 | 1994-06-22 | ソニー株式会社 | headphone |
| JP3288368B2 (en) * | 2000-03-14 | 2002-06-04 | 有限会社サワキ | Speaker enclosure |
| JP7147239B2 (en) * | 2018-04-17 | 2022-10-05 | ヤマハ株式会社 | Speaker cabinet, standing wave suppressor and speaker system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54104829U (en) * | 1978-01-06 | 1979-07-24 |
-
1979
- 1979-04-03 JP JP1979043769U patent/JPS5819890Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55144472U (en) | 1980-10-16 |
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