Thumb wheel device capable of preventing dialing wheel from dropping
A thumbwheel and potentiometer technology, applied in the field of thumbwheel controllers, can solve the problems of affecting the appearance, increasing the space of the thumbwheel device, and falling off of the thumbwheel.
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[0019] Such as Figure 1-Figure 4 As shown, due to its special position constraints in the cockpit, the shape of this controller is constrained as figure 1 The shape shown, from figure 1 and figure 2 It can be seen from above that the panel 7 with the card slot and the chassis 6 with irregular shape are closed, and the thumb wheel device with the card plate 3 is sandwiched between the panel 7 and the chassis 6 to form a complete installation design of the thumb wheel device. The switch potentiometer 5 is a part of the work done by the thumb wheel device, and the complete functional design can be realized by selecting safe and reliable related products. The switch potentiometer is installed and fixed on the side wall of the chassis 6. The rotating shaft of the switch potentiometer 5 with a semicircular section is used to insert into the center semicircle inner hole of the dial 1, and the locking screw 2 in the thumbwheel device locks the shaft and the dial Prevent the dial ...
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