JPS5838571Y2 - slide volume device - Google Patents
slide volume deviceInfo
- Publication number
- JPS5838571Y2 JPS5838571Y2 JP5803779U JP5803779U JPS5838571Y2 JP S5838571 Y2 JPS5838571 Y2 JP S5838571Y2 JP 5803779 U JP5803779 U JP 5803779U JP 5803779 U JP5803779 U JP 5803779U JP S5838571 Y2 JPS5838571 Y2 JP S5838571Y2
- Authority
- JP
- Japan
- Prior art keywords
- case
- slide volume
- volume device
- notch
- dustproof sheet
- 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
- Adjustable Resistors (AREA)
Description
【考案の詳細な説明】
本案はラジオ受信機その他の機器に使用するスライドボ
リウム装置に係り、簡単な構成で操作軸が貫通する長孔
より塵や埃が侵入するのを容易にかつ確実に防止できる
優れたスライドボリウム装置を提供することを目的とす
るものである。[Detailed description of the invention] This invention relates to a slide volume device used in radio receivers and other equipment, and has a simple configuration that easily and reliably prevents dirt and dust from entering through the long hole through which the operating shaft passes. The purpose of this invention is to provide an excellent slide volume device that can be used.
一般にスライドボリウム装置は操作軸をケースの長手方
向に摺動させなげればならないため、ケースの上面に操
作軸が貫通するケースの長手方向の長孔が形成されてい
る。Generally, in a slide volume device, the operating shaft must be slid in the longitudinal direction of the case, so a long hole in the longitudinal direction of the case is formed in the upper surface of the case, through which the operating shaft passes.
したがってこの種のスライドボリウム装置ではこの長孔
を通して塵や埃がケース内に侵入するため、スライドボ
リウム装置の性能が著しく悪するという問題を有する。Therefore, this type of slide volume device has a problem in that dust and dust enter the case through the elongated hole, which significantly deteriorates the performance of the slide volume device.
そのため、従来よりケース内に中央部に長手方向の切込
みを形成した防塵用シートを収納し、上記切込みを通し
て操作軸を突出するように構成したものが用いられてい
る。For this reason, a case has conventionally been used in which a dustproof sheet with a longitudinal notch formed in the center is housed in the case, and the operating shaft is projected through the notch.
しかしながら、この種のものはいずれも防塵用シートと
して単に長方形に形成しただけのものを用いており、し
たがって切込みに操作軸を挿入した場合操作軸に近い部
分は切込みが用いた状態になり、依然としてここから塵
や埃が侵入するという問題があった。However, all of these types of sheets use a dustproof sheet that is simply formed into a rectangular shape, so when the operating shaft is inserted into the notch, the part near the operating shaft remains in the state where the notch is used. There was a problem with dust and dust entering from here.
本案は以上のような従来の欠点を除去するものであり簡
単な構成で防塵作用の太きい優れたスライドボリウム装
置を提供するものである。The present invention eliminates the above-mentioned conventional drawbacks and provides an excellent slide volume device with a simple structure and a strong dust-proofing effect.
以下、本案のスライドボリウムについて一実施例の図面
とともに説明する。The slide volume of the present invention will be described below with reference to drawings of an embodiment.
図において、１はケース、２はケース１の上面に形成さ
れた長手方向に長い長孔、３はケース１内に収納された
摺動体、４は摺動体３の下面に取付けられたブラシ、５
は端子板、６は端子板５に装着された抵抗体、７は抵抗
体６に電気的に接続された端子、８は摺動体３の上面に
装着され長孔２を通してケース１の上面に突出された操
作軸、９はケース１内に収納され中央部に長手方向の切
込み１０を有する防塵用シートである。In the figure, 1 is a case, 2 is a longitudinally long elongated hole formed on the top surface of the case 1, 3 is a sliding body housed in the case 1, 4 is a brush attached to the bottom surface of the sliding body 3, and 5
is a terminal board, 6 is a resistor mounted on the terminal board 5, 7 is a terminal electrically connected to the resistor 6, and 8 is mounted on the top surface of the sliding body 3 and protrudes from the top surface of the case 1 through the long hole 2. The operating shaft 9 is a dustproof sheet that is housed in the case 1 and has a longitudinal notch 10 in the center.
尚、防塵用シート９は第３図に示すように長手方向の中
央部が両端部に比して巾広くなるように形成されており
、ケース１内に収納したとき上記巾広の部分がケース１
の内側面によって内側に押圧され第１図に示すように切
込み１０部分が互に重なり合うように構成されている。As shown in FIG. 3, the dust-proof sheet 9 is formed so that the center part in the longitudinal direction is wider than both ends, and when stored in the case 1, the wide part is 1
The cutout 10 is pressed inward by the inner surface of the cutout 10 so that the notches 10 overlap each other as shown in FIG.
本案は上記実施例より明らかなようにケース１内に収納
する防塵用シート９を中央部においてケース１の巾より
巾広く形威し、上記シート９をケース１内に収納したと
き切込み１０部分が互に重なり合うように構成したもの
であり、上記切込み１０に操作軸８を挿入した状態でも
切込み１０部分が互に重なり合うように作用するため操
作軸８近傍の切込み１０もほとんど開いた状態にならず
塵や埃の侵入をほぼ完全に防止するものである。As is clear from the above embodiment, in this case, the dustproof sheet 9 stored in the case 1 is shaped to be wider than the width of the case 1 at the center, and when the sheet 9 is stored in the case 1, the notch 10 portion is They are constructed so that they overlap each other, and even when the operating shaft 8 is inserted into the notch 10, the notches 10 act so as to overlap each other, so the notches 10 near the operating shaft 8 are hardly opened. It almost completely prevents dust and dirt from entering.
そして、本案によれば単にシート９の中央部を予め巾広
に形成するだげで良く、別に特別な部材を必要とせず、
その構成、組立ても容易で実用上きわめて有利なもので
ある。According to the present invention, it is sufficient to simply form the central portion of the sheet 9 to be wide in advance, and no special member is required.
Its structure and assembly are easy, and it is extremely advantageous in practice.
第１図は本案のスライドボリウム装置における一実施例
の斜視図、第２図は同装置の断側面図、第３図は同装置
に使用する防塵用シートの斜視図である。
１・・・・・・ケース、２・・・・・・長孔、３・・・
・・・摺動体、４・・・・・・ブラシ、５・・・・・・
端子板、６・・・・・・抵抗体、７・・・・・・端子、
８・・・・・・操作軸、９・・・・・・防塵用シート、
１０・・・・・・切込み。FIG. 1 is a perspective view of an embodiment of the slide volume device of the present invention, FIG. 2 is a sectional side view of the device, and FIG. 3 is a perspective view of a dustproof sheet used in the device. 1...Case, 2...Long hole, 3...
...Sliding body, 4...Brush, 5...
Terminal board, 6...Resistor, 7...Terminal,
8...Operation shaft, 9...Dustproof sheet,
10... Cut.
Claims (1)
ートを収納し、上記シートの切込みを通して操作軸を突
出させるように構成したスライドボリウム装置において
、上記ケース内に収納する防塵用シートをその長手方向
の中央部において上記ケースの巾よりも巾広に形成し、
上記防塵用シートを上記ケース内に収納したとき、上記
防塵用シートの切込み部が互に重なり合うように構成し
たスライドボリウム装置。In a slide volume device configured such that a dustproof sheet having a notch in the longitudinal direction is housed in a case and an operating shaft is protruded through the notch in the sheet, the dustproof sheet housed in the case is Formed to be wider than the width of the case in the central part of the direction,
A slide volume device configured such that when the dustproof sheet is stored in the case, the notches of the dustproof sheet overlap each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5803779U JPS5838571Y2 (en) | 1979-04-27 | 1979-04-27 | slide volume device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5803779U JPS5838571Y2 (en) | 1979-04-27 | 1979-04-27 | slide volume device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55159507U JPS55159507U (en) | 1980-11-15 |
| JPS5838571Y2 true JPS5838571Y2 (en) | 1983-09-01 |
Family
ID=29292098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5803779U Expired JPS5838571Y2 (en) | 1979-04-27 | 1979-04-27 | slide volume device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5838571Y2 (en) |
-
1979
- 1979-04-27 JP JP5803779U patent/JPS5838571Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55159507U (en) | 1980-11-15 |
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