JPS6163192A - Attaching method of punching net - Google Patents

Attaching method of punching net

Info

Publication number
JPS6163192A
JPS6163192A JP18563984A JP18563984A JPS6163192A JP S6163192 A JPS6163192 A JP S6163192A JP 18563984 A JP18563984 A JP 18563984A JP 18563984 A JP18563984 A JP 18563984A JP S6163192 A JPS6163192 A JP S6163192A
Authority
JP
Japan
Prior art keywords
punching net
speaker box
punching
speaker
groove
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.)
Pending
Application number
JP18563984A
Other languages
Japanese (ja)
Inventor
Toshifumi Morita
森田 利文
Hidesato Deki
出来 秀悟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP18563984A priority Critical patent/JPS6163192A/en
Publication of JPS6163192A publication Critical patent/JPS6163192A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/023Screens for loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

PURPOSE:To prevent the occurrence of unnecessary noise and reduce the increase of resistance due to ultrasonic welding to improve the workability by sticking a punching net to a speaker box as one body. CONSTITUTION:A groove la is provided in the peripheral part of a speaker attaching part 1b to which speakers 2 and 3 are attached of a speaker box 1, and a front part 1c including the attaching part 1b consists of a synthetic resin. Plural tongue pieces 4a are provided at intervals in the end part of a metallic punching net 4, and a V-shaped notch part 4f is provided on the end face of each tongue piece 4a. Plural punched holes 4C are provided at a prescribed pitch on the punching net 4. Plural tongue pieces 4a provided with notch parts 4f and provided in the end part of the punching net 4 are inserted to the groove 1a in the peripheral part of the attaching part (b) of the speaker box 1. The part inserted to the speaker box 1 is subjected to ultrasonic welding to stick the punching met 4 as one body, thus improving the workability.

Description

【発明の詳細な説明】 イ)産業上の利用分野 本発明は、スピーカボックス等の音#機器にパンチング
ネットを取付ける方法の改良に関するものである。
DETAILED DESCRIPTION OF THE INVENTION A) Field of Industrial Application The present invention relates to an improvement in a method for attaching a punching net to audio equipment such as a speaker box.

一)従来の技術 従来、スピーカボックス等の音響機器にはスピーカを保
護すると共にスピーカに外部から塵埃が入るのを防止す
るために、スピーカを覆うようにパンチングネットを設
けている。このようなパンチングネットの取付装置とし
Cは、実開昭55−42415号公報に示すようlζ、
パンチングネットの四辺の外縁部に係合用孔を有する舌
片を適当個数配設し、スピーカボックスの前ml部に設
けた突起部に係合させるものが知られている。
1) Prior Art Conventionally, audio equipment such as speaker boxes are provided with punching nets to cover the speakers in order to protect the speakers and prevent dust from entering the speakers from the outside. The mounting device C for such a punching net is lζ, as shown in Japanese Utility Model Application Publication No. 55-42415.
It is known that an appropriate number of tongues having engagement holes are provided on the outer edges of the four sides of a punching net, and the tongues are engaged with a protrusion provided on the front ml of a speaker box.

しかしながら、上記従来装置にあってはパンチングネッ
トがスピーカボックスに一体に固着されていないため、
パンチングネットがスピーカの音を受けてが夕つき不要
な雑音を発生させるZそれがあった。
However, in the conventional device described above, the punching net is not fixed to the speaker box, so
When the punching net receives the sound from the speaker, it generates unnecessary noise.

また、@3図に示すようにパンチングネット(4)の端
部に設けた複数の舌片(4・りを、スピーカ(2)(3
7を取付けた合成樹脂製のスピーカボックス(1)のス
ピーカ取付部(1b)周囲に設けた溝(1a)に嵌挿し
、超音波をかけてパンチングネット(4)の舌片(4a
)とスピーカボックス(1)の溝(1a)とを溶着して
、パンチングネット(4)とスピーカボックス(1)を
一体に固着することも知られている。
In addition, as shown in Figure @3, a plurality of tongue pieces (4) provided at the end of the punching net (4) are connected to the speaker (2) (3).
7 is fitted into the groove (1a) provided around the speaker mounting part (1b) of the synthetic resin speaker box (1), and ultrasonic waves are applied to the tongue piece (4a) of the punching net (4).
) and the groove (1a) of the speaker box (1) are welded to fix the punching net (4) and the speaker box (1) together.

第4図四のようにパンチングネット(4)の舌片(43
)の端面(4b)にパンチ孔(4C)が位置する場合に
は、凹部(4d)によって端面(4b)が連続しナイた
め、凸部(4C)にエネルギーが集中し超音波溶着作業
に支障はない。
As shown in Figure 4, the tongue piece (43) of the punching net (4)
) If the punch hole (4C) is located on the end face (4b) of the hole (4b), the end face (4b) is continuous due to the recess (4d), and energy is concentrated on the convex part (4C), which hinders ultrasonic welding work. There isn't.

しかしながら、第4図tBlのようにパンチングネット
(4)の舌片(4a)の端面(4b)にパンチ孔(4c
)が位置しない場合には、凹部が存在しないため端面(
4b)は連続した面になり、抵抗が太き(超音波溶着が
困難で作業性が悪(品質も不安定であった。即ち、超音
波をかけても溶着するに十分な温度に達することが出来
ず、無理にエネルギーを高めればパンチングネットが焼
けて溶けるという問題があった。
However, as shown in Fig. 4 tBl, the punch holes (4c
) is not located, the end face (
4b) is a continuous surface and has a large resistance (difficult to perform ultrasonic welding and poor workability (quality is also unstable. In other words, it is difficult to reach a temperature sufficient for welding even if ultrasonic waves are applied) There was a problem that if the energy was increased too much, the punching net would burn and melt.

I/9  発明が解決しようとする問題点本発明は上記
問題に庄みなされたもので、パンチングネットをスピー
カボックスに一体に固着することによって不要す雑音の
発生を防止し、且つ超音波溶着の抵抗を大幅に低減して
作業性のよいパンチングネットの取付方法を提供するも
のである。
I/9 Problems to be Solved by the Invention The present invention has been made in view of the above-mentioned problems, and prevents unnecessary noise by integrally fixing the punching net to the speaker box, and also eliminates the need for ultrasonic welding. The present invention provides a method for attaching a punching net that greatly reduces resistance and has good workability.

に)問題点を解決するための手段 本発明は少なくとも前面部が合成樹脂製のスピーカボッ
クスのスピーカ取付部の周囲に溝を設け、スピーカボッ
クスに装着するパンチングネットの端部にパンチ孔と別
個に複数の切欠部を形成し、パンチングネットの端部を
スピーカボックスの溝に嵌挿した後、パンチングネット
の端部をスピーカボックスの溝に超音波溶着することを
特徴とするものである。
B) Means for Solving the Problems The present invention provides a groove around the speaker mounting part of a speaker box whose front part is made of synthetic resin at least, and a groove is provided at the end of a punching net attached to the speaker box separately from the punch hole. This method is characterized in that a plurality of notches are formed, the end of the punching net is fitted into the groove of the speaker box, and then the end of the punching net is ultrasonically welded to the groove of the speaker box.

(利作 用 上記の構成により、パンチングネットの端部はパンチ孔
の位置に関係なく凹凸になるので超音波のエネルギーは
確実に凸部に集中し、凸部には熱が発生し高温になる。
(Usage) With the above configuration, the edges of the punching net are uneven regardless of the position of the punched holes, so the ultrasonic energy is reliably concentrated on the convex parts, and heat is generated in the convex parts, resulting in high temperatures. .

従って、パンチングネットの端部が嵌Sされた合成樹脂
製のスピーカボックスの溝は、熱によって溶はバンチン
グネットの端部と溶着する。
Therefore, the groove of the synthetic resin speaker box into which the end of the punching net is fitted is melted by heat and welded to the end of the bunching net.

(へ)実施例 以下本発明を第1図〜第2図に従って説明する。第1図
は本発明一実施例のパンチングネット取付装置を示す斜
視図である。(1)はスピーカボックスで、スピーカ+
2) (31を取付けたスピーカ取付部(1りの周囲に
1I4(1K)が設けられ、スピーカ取付部(1b)を
含む前面部”(1C)は合成樹脂(例えばポリスチレン
樹脂)で構成されている。(4)は金属製(例えば亜鉛
メッキ鋼板、厚さ0.6−s )のパンチングネットで
、端部に複数の舌片(4a)が間隔をあけて設けられ、
舌片(4a)の端面(4b)にはV字状の切欠部(4f
)  (以゛下Vカットという)が設けられている。パ
ンチングネット+4)には、第2図四に示すように直径
1.5M、ピッチl、 Q mのパンチ孔(4C)が設
けられている。8片(4a)の端面(4b)には幅% 
Q −s 、高さ1.0鵡、ピッチミロ−のVカット(
4f)が複数個外形抜き工程と同第2図(Bl〜p)は
他のパンチ孔とVカットの組み合わせを示すもので、い
ずれも舌片の端面にはVカットにより凸部(4e)と凹
部(4d)が形成されている。
(f) Examples The present invention will be explained below with reference to FIGS. 1 and 2. FIG. 1 is a perspective view showing a punching net attachment device according to an embodiment of the present invention. (1) is the speaker box, and the speaker +
2) (1I4 (1K) is provided around the speaker mounting part (1K) where 31 is attached, and the front part "(1C) including the speaker mounting part (1b) is made of synthetic resin (e.g. polystyrene resin). (4) is a punching net made of metal (for example, galvanized steel plate, thickness 0.6-s), with a plurality of tongue pieces (4a) provided at intervals at the end,
The end surface (4b) of the tongue piece (4a) has a V-shaped notch (4f).
) (hereinafter referred to as V-cut) is provided. The punching net +4) is provided with punch holes (4C) having a diameter of 1.5M and a pitch of l and Qm, as shown in FIG. Width % on the end face (4b) of 8 pieces (4a)
Q-s, height 1.0, pitch Milo V-cut (
4f) shows the process of punching out a plurality of external shapes, and Figure 2 (Bl-p) shows a combination of other punch holes and V-cuts. A recess (4d) is formed.

パンチングネットの取付は、以下のように行なわれる。The punching net is installed as follows.

まず、■カット(4E)が形成されたパンチングネット
(4)の端部に設けられた複数の舌片(4a)を、スピ
ーカボックス(1)のスピーカ取付部(1b)周囲の溝
(1りに嵌挿する。
First, insert the grooves (1) around the speaker mounting part (1b) of the speaker box (1) into the plurality of tongues (4a) provided at the end of the punching net (4) in which the cuts (4E) are formed. Insert into.

次に、スピーカボックス(1)の溝(1りに嵌挿された
パンチングネット(4)の周辺を抑えながら、超音波を
常温で約2秒間かける。これにより、パンチングネット
(4)の凸部(4C)にエネルギーが集中し、凸部(4
e)に熱が発生し高温多こなる。従ってパンチングネッ
ト(4)の舌片(4@)が嵌挿されたスピーカボックス
(1)のa(Ia)は熱によって溶け、パンチングネッ
ト(4)の舌片(42)とスピーカボツクス(1)の溝
(1a)はt8着され、パンチングネット(4)はスピ
ーカボックス(1)に一体に固着される。
Next, apply ultrasonic waves at room temperature for about 2 seconds while suppressing the area around the punching net (4) fitted into the groove (1) of the speaker box (1). Energy is concentrated on (4C), and the convex part (4C)
e) Heat is generated and the temperature becomes high. Therefore, a (Ia) of the speaker box (1) into which the tongue piece (4@) of the punching net (4) is inserted melts due to the heat, and the tongue piece (42) of the punching net (4) and the speaker box (1) The groove (1a) is fixed at T8, and the punching net (4) is fixed integrally to the speaker box (1).

なお、パンチングネットの端部に舌片を設けることなし
に、■カットを間隔をあけて適宜設けることも可能であ
る。この場合、■カットの大きざ、形状、ピッチは、ス
ピーカボックス前面部の材ff、溝の太ささ、形状によ
り適宜選定され、■カットによって形成される凸部に超
音波溶着に必要なエネルギーが集中し、−L分に温度が
上昇するように構成される。
Note that it is also possible to provide the cuts at appropriate intervals without providing the tongue piece at the end of the punching net. In this case, ■ The size, shape, and pitch of the cut are appropriately selected depending on the material ff of the front part of the speaker box, the thickness and shape of the groove, and ■ The convex part formed by the cut has the energy necessary for ultrasonic welding. concentration, and the temperature rises to -L minutes.

また、■カットの代りに他の形状(例えば四角形)の切
欠部を、パンチングネットの端部に設けてもよいことは
いうよでもない。
Furthermore, it goes without saying that instead of the cut (2), a notch of another shape (for example, square) may be provided at the end of the punching net.

(ト) 発明の詳細 な説明したよう1こ本発明によれば、パンチングネット
をスピーカボックスに一体に固着することによって不要
な雑音の発生を防止し、且つ超音波溶着の抵抗を大幅に
低減して作業性を向上することができ、品質も安定する
(G) As described in detail of the invention, 1. According to the present invention, by integrally fixing the punching net to the speaker box, generation of unnecessary noise is prevented, and resistance to ultrasonic welding is significantly reduced. This improves work efficiency and stabilizes quality.

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

第1図は本fillの一実施例の斜視図、第2図は同じ
くパンチングネットの要部を示す図、第3図は従来の装
はを示す斜視図、第4図は従来装置のパンチングネット
の要部を示す図である。 (1)・・・スピーカボックス、 (1a)・・・i、
(1b)・・・スピーカ取付部、(IC)・・・前面部
、(4)・・・パンチングネット、 (4a)・・・舌
片、1(AC)・・・パンチ孔。
Fig. 1 is a perspective view of one embodiment of this fill, Fig. 2 is a view showing the main parts of the punching net, Fig. 3 is a perspective view showing a conventional packaging, and Fig. 4 is a punching net of a conventional device. FIG. (1)...speaker box, (1a)...i,
(1b)... Speaker mounting part, (IC)... Front part, (4)... Punching net, (4a)... Tongue piece, 1 (AC)... Punching hole.

Claims (2)

【特許請求の範囲】[Claims] (1)スピーカ取付部の周囲に溝を有し少なくとも該ス
ピーカ取付部を含む前面部が合成樹脂製のスピーカボッ
クスと、該スピーカボックスの前面部に装着するパンチ
ングネットとを備え、 前記スピーカボックスの溝に対応する前記パンチングネ
ットの端部にパンチ孔と別個に複数の切欠部を形成し、
前記パンチングネットの端部を前記スピーカボックスの
溝に嵌挿した後に該パンチングネットの端部を該スピー
カボックスの溝に超音波溶着することを特徴とするパン
チングネットの取付方法。
(1) A speaker box having a groove around the speaker mounting part and whose front part including at least the speaker mounting part is made of synthetic resin, and a punching net attached to the front part of the speaker box, forming a plurality of notches separately from the punch holes at an end of the punching net corresponding to the groove;
A method for attaching a punching net, comprising the steps of: inserting an end of the punching net into a groove of the speaker box, and then ultrasonically welding the end of the punching net to the groove of the speaker box.
(2)前記パンチングネットの端部には複数の舌片が設
けられていることを特徴とする前記特許請求の範囲第1
項記載のパンチングネットの取付方法。
(2) The first aspect of claim 1, characterized in that a plurality of tongue pieces are provided at the end of the punching net.
How to install the punching net described in section.
JP18563984A 1984-09-04 1984-09-04 Attaching method of punching net Pending JPS6163192A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18563984A JPS6163192A (en) 1984-09-04 1984-09-04 Attaching method of punching net

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18563984A JPS6163192A (en) 1984-09-04 1984-09-04 Attaching method of punching net

Publications (1)

Publication Number Publication Date
JPS6163192A true JPS6163192A (en) 1986-04-01

Family

ID=16174288

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18563984A Pending JPS6163192A (en) 1984-09-04 1984-09-04 Attaching method of punching net

Country Status (1)

Country Link
JP (1) JPS6163192A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2822291A3 (en) * 2013-07-02 2015-01-14 Harman International Industries, Inc. Speaker grille and assembly
EP2866462A3 (en) * 2013-10-22 2015-08-19 REUM Kunststoff- und Metalltechnik GmbH Cover, in particular a loudspeaker cover

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2822291A3 (en) * 2013-07-02 2015-01-14 Harman International Industries, Inc. Speaker grille and assembly
US9014411B2 (en) 2013-07-02 2015-04-21 Harman International Industries, Inc. Speaker grille and assembly
EP2866462A3 (en) * 2013-10-22 2015-08-19 REUM Kunststoff- und Metalltechnik GmbH Cover, in particular a loudspeaker cover

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