JPH0444019U

JPH0444019U -

Info

Publication number: JPH0444019U
Application number: JP8599890U
Authority: JP
Priority date: 1990-08-15
Filing date: 1990-08-15
Publication date: 1992-04-14
Anticipated expiration: 2005-06-14
Also published as: JPH0726739Y2

Description

[Brief explanation of the drawing]

第１図は本考案の操作つまみのロツク装置の一
実施例を示す分解斜視図、第２図は第１図に示す
装置の要部組立断面図（ただし、第１図とは上下
を逆に描いている）、第３図は第２図におけるロ
ツク用デイスクの平面図、第４図は第３図におけ
る４−４線断面図、第５図は本考案の操作つまみ
のロツク装置の他の実施例を示す要部組立断面図
で、アダプターが短い場合、第６図はアダプター
が長い場合を示す要部組立断面図、第７図は第６
図におけるアダプターとロツク用デイスクとの分
解斜視図、第８図はアダプターの一端部の拡大斜
視図、第９図ａ，ｂは第１図に示す装置において
可変抵抗の操作軸を絞り込んだ状態を示す説明図
、第１０図は本考案の操作つまみのロツク装置の
さらに他の実施例を示す要部分解斜視図である。１０……パネルシヤーシ、１２……可変抵抗、
１４……操作軸、１６……軸通し孔、１８……ス
リツト、２０，２０ａ……ロツク用デイスク、２
２……めねじ部、２４，２４ａ……ロツク用ねじ
、２６……操作つまみ、２８，２８ａ……開口、
２９，２９ａ……小開口、３０……パネル、３２
，３２ａ……アダプター、３４……軸通し孔、３
６……突起、３８……開口、４０……溝、４２…
…挾持用突起、４４……リング部、４６……ロツ
ク用ねじ操作つまみ。 Fig. 1 is an exploded perspective view showing one embodiment of the operating knob locking device of the present invention, and Fig. 2 is an assembled sectional view of the main parts of the device shown in Fig. 1 (however, the top and bottom of Fig. 1 are reversed). 3 is a plan view of the locking disk in FIG. 2, FIG. 4 is a sectional view taken along the line 4-4 in FIG. 3, and FIG. FIG. 6 is an assembled cross-sectional view of the main parts showing the embodiment when the adapter is short, FIG. 6 is an assembled cross-sectional view of the main parts showing the case when the adapter is long, and FIG.
Figure 8 is an enlarged perspective view of one end of the adapter, and Figures 9a and b show the device shown in Figure 1 with the operating shaft of the variable resistor narrowed down. FIG. 10 is an exploded perspective view of a main part showing still another embodiment of the operating knob locking device of the present invention. 10...Panel chassis, 12...Variable resistor,
14... Operating shaft, 16... Shaft through hole, 18... Slit, 20, 20a... Lock disk, 2
2...Female thread part, 24, 24a...Lock screw, 26...Operation knob, 28, 28a...Opening,
29, 29a...Small opening, 30...Panel, 32
, 32a...adapter, 34...shaft through hole, 3
6...Protrusion, 38...Opening, 40...Groove, 42...
...Holding protrusion, 44...Ring portion, 46...Lock screw operation knob.

Claims

[Claims for Utility Model Registration] 1. Centering around the operating shaft 14 of the variable resistor 12 attached to the panel chassis 10, and the shaft through hole 16 having the same cross-sectional shape as the operating shaft 14, into which the operating shaft 14 fits. A locking disk 20 is provided with a circular arc-shaped slit 18 that is longer than the movable range of the operating shaft 14 on the periphery, and the panel chassis 10 is inserted through this slit 18.
A locking screw 24 that is screwed into the female threaded portion 22 of the locking disk 20 to fix the locking disk 20, and an operating knob that is attached to the tip of the operating shaft 14 that passes through the shaft through hole 16 of the locking disk 20. 26; and a panel 30 disposed between the locking disk 20 and the operating knob 26, through which the operating shaft 14 passes, and having a common opening 28 for operating the locking screw 24. An operating knob locking device featuring: 2 The operating shaft 14 of the variable resistor 12 attached to the panel chassis 10, and a shaft through hole 34 having the same cross-sectional shape as the operating shaft 14, into which the operating shaft 14 fits, are provided at the center, and at least three holes are provided on the outer periphery of one end. A substantially cylindrical adapter 32a with a protrusion 36; a substantially circular opening 38 into which the adapter 32a can fit; a groove 40 into which the protrusion 36 of the adapter 32a fits around the opening 38; , a locking disk 20 having an arcuate slit 18 on its periphery that is longer than the movable range of the operating shaft 14;
a, and the panel chassis 10 through this slit 18.
Lock disc 2 by screwing it into the female threaded part 22 of
A locking screw 24 for fixing the adapter 32a, and an operating knob 26 for attaching to the tip of the operating shaft 14 passing through the shaft through hole 34 of the adapter 32a.
and a panel 30 disposed between the adapter 32a and the operating knob 26, through which the operating shaft 14 passes, and having a common opening 28 for operating the locking screw 24. A locking device for the operating knob. 3 The operation shaft 14 penetrates the panel 30, and
Common opening 2 for operating the locking screw 24
8, the panel 30 is separately provided with an opening 28a through which the operating shaft 14 passes and a small opening 29a for operating the locking screw 24a. Locking device for operating knob.