KR20060011151A - Switching device of dvd - Google Patents

Abstract

The switch device of the video recording and reproducing apparatus according to the present invention comprises: first to third tact switches for selecting a function arranged in a main frame of the video recording and reproducing apparatus; A horizontal member disposed above the tact switch and a vertical member extending vertically from the horizontal member, wherein the horizontal member is movable between a first position in which the horizontal member presses the tact switch to operate and a second position spaced apart from the tact switch; 1 to 3 operating levers; First to third pressing portions disposed at a predetermined operating distance with the vertical members of the first to third operating lever and the operation portion protruding out of the front panel, and the left and right rotational movement and the horizontal movement forward and backward on the main body frame An integral button installed to move the operation lever to a first position; Guide means for guiding the horizontal movement and the horizontal movement of the integrated button; And an elastic member for elastically supporting the integrated button to an initial position.

Key, button, switch, push, knob, stopper, gap, holder, CD, DVC, DVD

Description

Switching device of video recording and reproducing device {SWITCHING DEVICE OF DVD}

1 is a front view schematically showing a switch device employed in a DVD which is one of general video recording and reproducing apparatuses;

2 is a side view of FIG. 1;

3 is a plan view schematically showing a switch device of a video recording and reproducing apparatus according to an embodiment of the present invention, and

4A and 4B are plan views showing the operation of the switch device according to the present invention.

<Description of Symbols for Main Parts of Drawings>

110,120,130; Tact switch 210,220,230; Operation lever

210a, 220a, 230a; horizontal member 210b, 220b, 230b; vertical member

300; integrated button 310, 320, 330; push

340; control unit 400; guide means

410,420; Operation Boss 430; Operation Guide

500; elastic member 600; front panel

The present invention relates to a switch device, and more particularly to a switch device for the operation of the video recording and playback device such as VCR, CD and DVD.

As a switch device of the video recording and reproducing apparatus as described above, an integrated button structure is frequently used. The integrated button is, for example, three individual tact switches are operated by pressing left and right and the center of one button. A typical example of a switch device having such an integrated button is schematically illustrated in FIGS. 1 and 2.

FIG. 1 is a front view schematically showing a switch device employed in a DVD, which is one of general video recording and reproducing apparatuses, and FIG. 2 is a side view of FIG. 1, in which reference numeral 10 denotes an integrated button, 20-1, 20-. 2 and 20-3 are operation levers, and 30 is a tact switch.

The integrated button 10 has a circular knob having operating projections 11 and 12 provided at opposite positions, and the operation projections 11 and 12 are mounted on the main body frame, not shown. 1) 20-3 is installed to be rotatable so as to selectively operate.

The three operation levers 20-1, 20-2, and 20-3 each have a vertical member 20a and a horizontal member 20b. The vertical member 20a is arranged to operate in association with the operation protrusions 11 and 12 of the integrated button 10, and the horizontal member 20b extends vertically from the vertical member path 20a. The tact switch 30 is disposed below the horizontal member 20b. The tact switch 30 is provided in the same number as the number of the operation levers, and is usually disposed in the main body frame in a state of being mounted on a substrate.

Accordingly, when one side of the integrated button 10 is pressed, the operation protrusion 11 on the rear side of the integrated button 10 pushes the vertical member 20a of the first operating lever 20-1, thereby operating lever 20-1. The horizontal member 20b of the tact switch 30 is pressed to operate the switch.

In the same principle, when the opposite side of the integrated button 10 is pressed, the operation protrusion 12 pushes the vertical member 20a of the second operation lever 20-2, and thus the second operation lever 20-2 The horizontal member 20b operates the tact switch 30.

On the other hand, the third operation lever 20-3 operates the corresponding tact switch 30 while rotating by pressing the push button 21 exposed by the central through hole 15 of the integrated button 10.

In the switch device of such a general video recording and reproducing apparatus, the size of the integrated button 10 corresponds to the upper and lower widths of the front panel for smooth movement of the operation levers 20-1, 20-2, and 20-3. It must have a relatively large diameter. Therefore, in recent years, as the appearance of the video recording and reproducing apparatus becomes slimmer, the space occupied by the integrated button 10 becomes excessively large, so that there is a problem of deteriorating the appearance of the product.

The present invention has been made in view of the above, and an object thereof is to provide a switch device of a video recording and reproducing apparatus that can reduce the design space occupancy occupied by a button, thereby making the appearance of a product slim and beautiful.

The switch device of the video recording and reproducing apparatus according to the present invention for achieving the above object comprises: first to third tact switches for selecting a function arranged in a main frame of the video recording and reproducing apparatus; A horizontal member disposed above the tact switch and a vertical member extending vertically from the horizontal member, wherein the horizontal member is movable between a first position in which the horizontal member presses the tact switch to operate and a second position spaced apart from the tact switch; 1 to 3 operating levers; And a first to third pressing portion disposed at a predetermined operating distance from the vertical member of the first to third operating levers, and an operation portion protruding to the outside of the front panel. An integral button movably installed to move the operation lever to a first position; Guide means for guiding the horizontal movement and the horizontal movement of the integrated button; And an elastic member for elastically supporting the integrated button to an initial position.

The guide means, the first and second operating boss installed at a predetermined interval on the third pressing portion; And an arc-shaped operation guide disposed on both sides of the third pressing part, wherein the elastic member is configured of a compression coil spring disposed between the first and second operation bosses.

According to the embodiment of the present invention, in the switch device of the video recording / reproducing apparatus, the operating distance d2 of the third pressing part is set smaller than the operating distance d1 of the first and second pressing parts, whereby the third tact When the switch is operated, the first and second tact switches on both sides thereof are not operated.

In addition, the operation unit is composed of a rectangle or a circle of a remarkably small size, thereby significantly reducing the design space occupancy occupied by the operation unit exposed to the outside of the front panel.                     

Best Mode for Carrying Out the Invention Preferred embodiments of the present invention will now be described based on the accompanying drawings.

3 is a plan view schematically showing a switch device of a video recording and reproducing apparatus according to an embodiment of the present invention, and FIGS. 4A and 4B are plan views showing the operation of the switch device according to the present invention.

As shown, the switch device of the video recording and reproducing apparatus according to an embodiment of the present invention, the first to third tact switch 110, 120, 130 for selecting a function disposed in the main frame not shown The first to third actuating levers 210, 220 and 230, the integrated button 300, the guide means 400, and the elastic member 500 for operating the tact switch are included.

The first to third tact switches 110 and 120 and 130 are disposed in the main body frame while being mounted on a substrate. Here, the tact switch may be, for example, a play, fast forward and fast reverse function selection switch.

The first to third actuating levers 210, 220, 230 are vertical members 210a, 220a, 230a disposed above and corresponding to the tact switches 110, 120, 130, respectively. Vertical members 210b, 220b, and 230b extending to each other. In addition, each of the operation levers 210, 220, 230 is movable between a first position in which their horizontal members operate by pressing the tact switch and a second position in which the horizontal members are spaced apart from the tact switch by a predetermined distance. It is installed on the main frame.

The integrated button 300 has a predetermined operating distance from each of the vertical members 210b, 220b and 230b to move the first to third operating levers 210, 220 and 230 to the first position. and first to third pressing portions 310, 320, and 330 disposed for (d1) (d2). The first and second pressing parts 310 and 320 are provided in a semicircular shape, and the third pressing part 330 is provided in the center of the first and second pressing parts 310 and 320.

In addition, the integrated button 300 includes an operation unit 340 protruding to the outside of the front panel 600. The operation unit 340 may be configured in a square or a circle, it is formed in a significantly smaller size than the conventional. In addition, the front panel 600 is formed with an exposure hole 610 for protruding the operation unit 340 to the outside, the exposure hole 610 has a size that can sufficiently move the operation unit 340.

The integrated button 300 is installed to the left and right rotational movement and the front and rear horizontal movement to the body frame. The first and second operating levers 210 and 220 are selectively moved to the first position by the rotation of the integrated button 300 from side to side, and the integrated button 300 moves forward and backward horizontally. 3 the operation lever 230 moves to the first position.

Meanwhile, the operating distance d1 of the first and second pressing parts 310 and 320 of the integrated button 300 as described above is set larger than the operating distance d2 of the third pressing part 330. Accordingly, when the third pusher 330 contacts the vertical member 230b to move the third actuating lever 230 to the first position by the forward and backward horizontal motion of the integrated button 300, the first and second The pressing parts 310 and 320 do not come into contact with the vertical members 210b and 230b of the first and second operating levers 210 and 220 so that only the third tact switch 130 operates.

The guide means 400 guides the horizontal rotation and the horizontal movement of the integrated button 300. The guide means 400 is a circular arc type disposed on both sides of the first and second operating bosses 410 and 420 and the third pressing part 330 installed at a predetermined interval on the third pressing part 330. Operation guide 430 is included.

The first operation boss 410 is a reference point for the left and right rotational movement of the integrated button 300, the second operation boss 420 is the integrated button 300 during the horizontal movement and the horizontal movement of the integrated button 300 While guiding together to smoothly guide the movement of the integrated button (300).

The elastic member 500 is to return the integrated button 300 advanced to move the third operation lever 230 to the first position to the initial position, the first of the third pressing portion 330 And a compression coil spring interposed between the second operation bosses 410 and 420.

Hereinafter, the switching action of the switch device according to the present invention configured as described above with reference to Figures 4a and 4b.

The basic function of the switch device according to the present invention is to hold the operation unit 340 of the integrated button 300 while operating the first and second tact switch 110, 120 while rotating in the horizontal direction, the integrated button 300 ) Is moved forward and backward to operate the third tact switch 130.

That is, as shown in FIG. 4A, when the integrated button 300 is rotated to the left in the drawing, the first pressing part 310 presses the vertical member 210b of the first operating lever 210. Since the first operating lever 210 is moved to the first position, the horizontal member 210a presses the first tact switch 110 to operate.

When the integrated button 300 is rotated in the opposite direction, the second pressing portion 320 is brought into contact with the vertical member 220b of the second operating lever 220 so that the second operating lever 220 is moved to the first position. The second tact switch 120 is operated.

In this action, the return of the first and second actuating levers 210 and 220 to the second position is automatically made by self-elasticity, and the integrated button maintains the initial position.

Meanwhile, when the integrated button 300 is pressed as shown in FIG. 4B, the third pressing part 330 is horizontally advanced and is in contact with the vertical member 230b of the third operating lever 230, thereby causing the third operating lever 230 to be pressed. ) Is moved to the first position, whereby the horizontal member 230a presses the third tact switch 130 to operate. At this time, since the operating distance d2 of the third pressing part 330 is set smaller than the operating distance d1 of the first and second pressing parts 310 and 320, the third pressing part 330 ) Is a vertical member of the first and second pressing portions 310 and 320 and the first and second operating levers 210 and 220 when it contacts the vertical member 230b of the third operating lever 230. 210b and 220b are not in contact with each other. That is, only the third tact switch 130 can be operated.

As described above, the switch device according to the present invention is significantly reduced in the button portion exposed or protruded to the outside while implementing the original function of the switch device through a simple structural improvement. That is, the design space occupied by the button can be minimized.

 According to the present invention as described above, since the design space occupied by the button can be minimized, it is possible to provide a video recording and reproducing apparatus excellent in terms of consumer preference and satisfaction, such as slimming and high-quality products. Will be.

While the invention has been shown and described in connection with the preferred embodiments for illustrating the principles of the invention, the invention is not limited to the construction and operation as shown and described. Rather, those skilled in the art will appreciate that many modifications and variations of the present invention are possible without departing from the spirit and scope of the appended claims. Accordingly, all such suitable changes and modifications and equivalents should be considered to be within the scope of the present invention.

Claims (4)

First to third tact switches for selecting a function arranged in a main frame of the video recording and reproducing apparatus; A horizontal member disposed above the tact switch and a vertical member extending vertically from the horizontal member, wherein the horizontal member is movable between a first position in which the horizontal member presses the tact switch to operate and a second position spaced apart from the tact switch; 1 to 3 operating levers; And a first to third pressing portion disposed at a predetermined operating distance from the vertical member of the first to third operating levers, and an operation portion protruding to the outside of the front panel. An integral button movably installed to move the operation lever to a first position; Guide means for guiding the horizontal movement and the horizontal movement of the integrated button; And And an elastic member for elastically supporting the integrated button to an initial position. The method of claim 1, wherein the guide means, First and second operation bosses provided at predetermined intervals on the third pressing part; And And arc-shaped motion guides disposed on both sides of the third pressing part. And the elastic member is composed of a compression coil spring disposed between the first and second operating bosses. The method according to claim 1 or 2, And the operating distance d2 of the third pressing portion is set smaller than the operating distance d1 of the first and second pressing portions. The method of claim 3, wherein And the operation unit is configured to have a rectangular or circular shape.

Images