JPH0634550B2 - Input terminal board for audio equipment and manufacturing method thereof - Google Patents
Input terminal board for audio equipment and manufacturing method thereofInfo
- Publication number
- JPH0634550B2 JPH0634550B2 JP18290188A JP18290188A JPH0634550B2 JP H0634550 B2 JPH0634550 B2 JP H0634550B2 JP 18290188 A JP18290188 A JP 18290188A JP 18290188 A JP18290188 A JP 18290188A JP H0634550 B2 JPH0634550 B2 JP H0634550B2
- Authority
- JP
- Japan
- Prior art keywords
- terminal board
- input terminal
- elastic film
- audio equipment
- film layer
- 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 - Lifetime
Links
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ この発明は音響機器入力端子板およびその製造方法に関
するものである。The present invention relates to an audio equipment input terminal board and a method for manufacturing the same.
［従来の技術］ 第４図は従来の入力端子板を備えたスピーカー装置を示
す垂直断面図であり、図において(1)はプラスチック成
形品から成る入力端子板、(1a)はその中央に設けたター
ミナル、(1b)はその頂部のつまみ、(1c)は上記入力端子
板の周側壁部、(1d)は同じく入力端子板の底面部、(2)
は上記入力端子板(1)の取付けねじ、(3)はキャビネッ
ト、(3a)はそのバックボード、(3b)はこのバックボード
に設けた入力端子板の嵌挿用の貫通穴、(4)は上記バッ
クボード(3a)と入力端子板(1)との間に介装されたパッ
キン、(5)は上記キャビネット(3)の正面に取付けたスピ
ーカーユニットである。[Prior Art] FIG. 4 is a vertical sectional view showing a speaker device having a conventional input terminal board. In the figure, (1) is an input terminal board made of a plastic molded product, and (1a) is provided in the center thereof. Terminal, (1b) knob on the top, (1c) peripheral wall of the input terminal board, (1d) bottom surface of the input terminal board, (2)
Is a mounting screw for the input terminal board (1), (3) is a cabinet, (3a) is its backboard, (3b) is a through hole for inserting the input terminal board on this backboard, (4) Is a packing interposed between the backboard (3a) and the input terminal board (1), and (5) is a speaker unit attached to the front of the cabinet (3).
一般に上記の入力端子板(1)は樹脂の射出成形品であ
り、その板厚は２mm〜５mm程度であり、バックボード(3
a)の板厚１０mm〜２０mmに比べきわめて薄肉になってい
る。Generally, the above-mentioned input terminal board (1) is an injection-molded product of resin, and its plate thickness is about 2 mm to 5 mm.
It is extremely thin compared to the plate thickness of 10 mm to 20 mm of a).
これがため当該入力端子板の共振レベルがきわめて高
く、その結果表面からの不要輻射が大きくなり、スピー
カー装置としての音質劣化を招くという問題点の原因に
なっていた。For this reason, the resonance level of the input terminal plate is extremely high, and as a result, unnecessary radiation from the surface becomes large, which causes a problem that the sound quality of the speaker device deteriorates.
［発明が解決しようとする課題］ 従来のスピーカー装置における入力端子板は以上のよう
に構成されているため、当該入力端子板の共振レベルが
高く、不要輻射レベルの増大をまねき音質に歪みを生じ
させていた。[Problems to be Solved by the Invention] Since the input terminal board in the conventional speaker device is configured as described above, the resonance level of the input terminal board is high, which causes an increase in unnecessary radiation level and causes distortion in sound quality. I was letting it.
この発明は上記の問題点の原因を成す入力端子板の共振
レベルを低減させることを目的とする。An object of the present invention is to reduce the resonance level of the input terminal plate which causes the above problems.
［課題を解決するための手段］ この発明に係る入力端子板は、当該端子板本体の正面あ
るいは背面のいずれか一方あるいは双方に、それ自体の
振動吸収用の弾性皮膜層を被着形成させている。[Means for Solving the Problems] In the input terminal board according to the present invention, its own elastic film layer for absorbing vibration is formed on either the front surface or the back surface of the terminal board body or both. There is.
［作用］ この発明に係る音響機器用入力端子板の表面には、端子
板本体それ自体の振動吸収用の弾性皮膜層を有するの
で、それ共振レベルを低減させバックボード全体からの
不要輻射を小さくするように作用する。[Operation] Since the surface of the input terminal board for audio equipment according to the present invention has the elastic film layer for absorbing the vibration of the terminal board body itself, the resonance level is reduced and unnecessary radiation from the entire backboard is reduced. Act as you do.
［実施例］ 以下この発明の一実施例について説明する。すなわち第
１図において第４図のものと同一個所は同一符号を付し
てその重複説明は省略することにするが、図中の(6)は
この発明の端子板本体(11)の正面および背面の両面に被
着形成された、それ自体の振動吸収用の弾性皮膜層であ
る。[Embodiment] An embodiment of the present invention will be described below. That is, in FIG. 1, the same parts as those in FIG. 4 are designated by the same reference numerals, and the duplicated description thereof will be omitted. (6) in the drawing shows the front surface of the terminal plate body (11) of the present invention and It is an elastic film layer for absorbing its own vibration, which is adhered and formed on both sides of the back surface.
第２図はこの弾性皮膜層(6)の被着形成方法を示す図で
あり、この第２図において(20)は射出成形金型、(20a)
は固定金型、(20b)は可動金型、(21)は射出成形時のゲ
ート、スプルー、ランナー部、(11)は上記固定金型(20
a)と可動金型(20b)との間に、これらとその表面との間
に所定の空隙層を形成するように挾持状態にセットされ
た端子板本体、(6)は上記の空隙層に射出充填された上
記の弾性皮膜層であり、この弾性皮膜層は射出成形金型
(20)内に上記のようにセットされた端子板本体(11)に対
し、溶融状態の例えば後記の樹脂が射出され、射出成形
金型のスプルー、ランナー、ゲート(21)を通り端子板本
体(11)と上記の固定金型(20a)可動金型(20b)との空隙内
に射出充填され、冷却後これらの各金型(20a)(20b)を引
き離し、ゲート(21)から切断、除去して所期の入力端子
板が得られるものである。FIG. 2 is a diagram showing a method of forming the elastic film layer (6) by adhesion, and in this FIG. 2, (20) is an injection molding die, and (20a)
Is a fixed mold, (20b) is a movable mold, (21) is a gate, sprue, runner part during injection molding, and (11) is the fixed mold (20
Between the a) and the movable mold (20b), the terminal plate body set in a sandwiched state so as to form a predetermined void layer between them and the surface thereof, (6) is the above void layer. It is the above elastic film layer filled by injection, and this elastic film layer is an injection molding die.
For the terminal board body (11) set as described above in (20), for example, a resin in a molten state described below is injected, and the terminal board body passes through the sprue, runner, and gate (21) of the injection molding die. (11) and the fixed mold (20a) movable mold (20b) is injected and filled in the gap, after cooling, these molds (20a) (20b) are separated, cut from the gate (21), After removal, the desired input terminal board is obtained.
ところで上記の振動吸収用の弾性皮膜層(6)を形成する
樹脂としては、例えばエチレン酢酸ビニル樹脂、スチレ
ン系熱可塑性エラストマー樹脂、ポリオレフィン系熱可
塑性エラストマー樹脂、熱可塑性ポリウレタン樹脂等が
用いられている。Incidentally, as the resin forming the elastic film layer (6) for vibration absorption, for example, ethylene vinyl acetate resin, styrene-based thermoplastic elastomer resin, polyolefin-based thermoplastic elastomer resin, thermoplastic polyurethane resin, etc. are used. .
このようにして弾性皮膜層(6)で包まれた入力端子板を
バックボード(3a)に設けた貫通穴(3b)内に嵌挿して取付
けねじ(2)で固定する。この際取付けねじ(2)が挿通され
た端子板本体(11)の背面部の弾性皮膜層(6)がバックボ
ード(3a)とのシールの役目をし、かつこの間の振動の伝
達を防止するためのパッキンの役割も果すことになるも
のである。The input terminal board thus wrapped with the elastic film layer (6) is fitted into the through hole (3b) provided in the backboard (3a) and fixed with the mounting screw (2). At this time, the elastic film layer (6) on the back surface of the terminal plate body (11) into which the mounting screw (2) is inserted serves as a seal with the backboard (3a) and prevents the transmission of vibration during this time. The packing also plays a role.
なお上記の実施例では端子板本体(11)の正面と背面に弾
性皮膜層(6)を形成させた場合を示したが、第３図のよ
うに正面のみに形成してもよい。Although the elastic film layers (6) are formed on the front surface and the back surface of the terminal plate body (11) in the above embodiment, they may be formed only on the front surface as shown in FIG.
また図示しないが背面のみに形成してもよい。その他上
記実施例ではスピーカー装置に使用される入力端子板に
ついて説明したが、アンプ、チューナー、ビデオ等の音
響機器の入力端子板であってもよく、そしてこれらの場
合にあっても同様の効果が得られる。Although not shown, it may be formed only on the back surface. Others In the above embodiment, the input terminal board used in the speaker device has been described, but it may be an input terminal board of an audio device such as an amplifier, a tuner, and a video, and in these cases, the same effect can be obtained. can get.
［発明の効果］ この発明の音響機器用入力端子板およびその製造方法で
は以上のように、振動吸収用弾性皮膜層を端子板本体の
正面あるいは背面のいずれか一方あるいは双方に被着形
成させているので、これらの弾性皮膜層によって端子板
の振動を効果的に制動してその共振を抑え、これにより
バックボード全体の不要輻射レベルを低下させ、良質で
歪みの少ない再生音が得られるという効果を有するもの
である。[Effects of the Invention] In the input terminal board for audio equipment and the method for manufacturing the same according to the present invention, as described above, the elastic film layer for absorbing vibration is formed on either the front surface or the back surface of the terminal board body or both. Since these elastic film layers effectively dampen the vibration of the terminal board and suppress its resonance, this lowers the unwanted radiation level of the entire backboard, resulting in good quality and low-distortion playback sound. Is to have.
第１図はこの発明のスピーカー装置の一実施例を示す垂
直断面図、第２図はこの発明の入力端子板の製造方法を
示す金型の垂直断面図、第３図はこの発明の他の実施例
を示す垂直断面図、第４図は従来のスピーカー装置を示
す垂直断面図である。 なお図中(6)は弾性皮膜層、(11)は端子板本体、(20)は
射出成形金型である。その他図中同一符号は同一部分を
示すものとする。FIG. 1 is a vertical sectional view showing an embodiment of a speaker device of the present invention, FIG. 2 is a vertical sectional view of a mold showing a method of manufacturing an input terminal board of the present invention, and FIG. 3 is another embodiment of the present invention. FIG. 4 is a vertical sectional view showing an embodiment, and FIG. 4 is a vertical sectional view showing a conventional speaker device. In the figure, (6) is an elastic film layer, (11) is a terminal plate body, and (20) is an injection mold. In other figures, the same reference numerals indicate the same parts.
Claims (2)
一方あるいは双方に、それ自体の振動吸収用の弾性皮膜
層を被着形成させたことを特徴とする音響機器用入力端
子板。1. An input terminal board for audio equipment, characterized in that an elastic film layer for absorbing vibration of itself is formed on either or both of the front surface and the back surface of a terminal board body.
の表面に所定の空隙層を形成するように挾持状態にセッ
トされた端子板本体の上記空隙層に、エチレン酢酸ビニ
ル樹脂、スチレン系熱可塑性エラストマー樹脂、ポリオ
レフィン系熱可塑性エラストマー樹脂あるいは熱可塑性
ポリウレタン樹脂のいずれかを注入させて、当該端子板
本体の表面にそれ自体の振動吸収用弾性皮膜層を形成さ
せたことを特徴とする音響機器用入力端子板の製造方
法。2. An ethylene vinyl acetate resin is provided in the above-mentioned void layer of a terminal plate body which is set in a sandwiched state so as to form a predetermined void layer on the surface of a mold and a split injection mold. A styrene-based thermoplastic elastomer resin, a polyolefin-based thermoplastic elastomer resin, or a thermoplastic polyurethane resin is injected to form its own vibration-absorbing elastic film layer on the surface of the terminal board body. Manufacturing method of input terminal board for audio equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18290188A JPH0634550B2 (en) | 1988-07-22 | 1988-07-22 | Input terminal board for audio equipment and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18290188A JPH0634550B2 (en) | 1988-07-22 | 1988-07-22 | Input terminal board for audio equipment and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0232700A JPH0232700A (en) | 1990-02-02 |
| JPH0634550B2 true JPH0634550B2 (en) | 1994-05-02 |
Family
ID=16126362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18290188A Expired - Lifetime JPH0634550B2 (en) | 1988-07-22 | 1988-07-22 | Input terminal board for audio equipment and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0634550B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3916607B2 (en) * | 2004-01-13 | 2007-05-16 | 大阪避雷針工業株式会社 | Draining terminal for conductor connection |
| JP4840124B2 (en) * | 2006-12-20 | 2011-12-21 | 株式会社島津製作所 | Radiography equipment |
-
1988
- 1988-07-22 JP JP18290188A patent/JPH0634550B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0232700A (en) | 1990-02-02 |
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