JPS6114230Y2 - - Google Patents

Description

[Detailed description of the invention] This invention prevents the turning knobs, which are rotatably supported on both sides of the U-shaped bracket, from time to time swinging around or making rattling noises when they collide with the surroundings. The present invention relates to a rotating knob mounting device that prevents such problems.

For example, video cameras often use their built-in microphones to record images at the same time as they are being taken, and in this case, if the rotating knob is in the above-mentioned condition, the rattling sound may be recorded. Furthermore, if the rotation knob is loose, it will not provide a good operating feel and will also reduce the product value.

This invention solves these problems and will be explained below with reference to the embodiments shown in the drawings.

Figure 1 shows a switch opening/closing mechanism using a rotary knob in an electrical device.
3 is a rotating knob, 3 is a U-shaped bracket made of elastic metal and has tapered ends on both sides, 4
is the push switch, and 5 is the movable shaft of this switch. Reference numeral 6 designates shaft pins provided at both pivot ends of the rotation knob 2, which are inserted into bearing holes 7 formed in both side portions 3' of the U-shaped bracket 3.

The chassis 1 is provided with a protrusion 9 for positioning and preventing rotation of the U-shaped bracket 3.
One edge of the U-shaped bracket 3 is brought into contact with this protrusion 9 and is attached to the chassis 1 with screws 8.

The push switch 4 is attached to the inside of the chassis 1 by screws 10, and its movable shaft 5 passes through a hole 11 provided in the chassis 1, projects outward, and comes into contact with the back surface of the rotary knob 2.

When the movable shaft 5 is pushed into the switch side, the push switch 4 is turned on and locked, and when the movable shaft 5 is pushed again, the lock is released and the movable shaft 5 moves outward, and the switch is also turned off. This is the result.

When the outer end 12 of the rotary knob 2 is pushed down in the direction of the arrow, the movable shaft 5 is pushed toward the push switch 4 by rotation around the shaft pin 6 of the rotary knob 2, and is turned on. The movable knob 2 is also stopped and held in the rotated position by a braking force, which will be described later. Furthermore, when the outer end 12 of the rotary knob 2 is pushed down again, the movable shaft 5 returns outward while pushing the back surface of the rotary knob 2, so the rotary knob 2 also returns to its original state. do.

In these operations, the rotation knob 2 always has
Rotational friction braking works, so it no longer swings around due to its own weight or makes rattling noises when it comes into contact with its surroundings.

What is shown in Fig. 2 is the above-mentioned U-shaped bracket 3.
This is an elevational view of the two side pieces 3', which in their natural state are formed into a tapering shape as shown by the solid line. However, this rotation knob 2
When mounted, the tapered end portions 3' on both sides are pushed apart and elastically deformed as shown by the two-dot chain line, thereby creating rotational friction near the shaft pin 6 of the rotation knob 2. Since a force is generated, a braking force is applied to the rotary knob 2 as described above, which eliminates the vibration and rattling noise caused by its own weight.

The U-shaped bracket 3 is made of an elastic material such as stainless steel or phosphor bronze.

This U-shaped bracket is made of the above-mentioned elastic material, so that the U-shaped bracket 3 of the rotation knob 2
The attachment/detachment work can be easily carried out by simply pushing and spreading the side pieces 3' of the U-shaped bracket 3 to both sides.

As described above, in the installation of the rotation knob rotatably supported on both sides of the U-shaped bracket, the U-shaped bracket is made of elastic metal, and the U-shaped bracket is made of elastic metal. Both sides of the U-shaped bracket are formed in a tapered state, and the rotation knob is elastically held between the side parts of the U-shaped bracket to apply a braking force to the rotation knob. By providing a mounting device for the rotary knob, it is possible to prevent the rotary knob from wandering due to the braking force applied to the rotary knob, or from colliding with the surroundings and making noise. This eliminates the problem of noise being recorded in cases such as this, improves the feel of operating the rotary knob, and is inexpensive, easy to work with, and
It has features such as good serviceability.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the rotary knob mounting device according to the present invention, and FIG. 2 is an elevational view showing the U-shaped bracket thereof. 1... Chassis, 2... Rotating knob, 3... U-shaped bracket, 3'... Both sides of U-shaped bracket, 4... Push switch, 5... Movable shaft, 12... Rotating knob Outer end of 3.

Claims (1)

[Scope of utility model registration request] When attaching the rotation knob rotatably supported on both sides of the U-shaped bracket, the U-shaped bracket is made of elastic metal, and both sides of the U-shaped bracket are attached first. A rotating knob mounting device characterized in that the knob is formed in a concave state, and the knob is elastically clamped by both sides of the U-shaped bracket to apply a braking force to the rotating knob. .