KR100684517B1 - Device for playing media - Google Patents

Abstract

A medium reproduction apparatus is provided to dispose a slider plate between a main PCB(Printed Circuit Board) and a bottom surface of a main chassis so that the slider plate is capable of advancing and retreating, thus a lower space of the main PCB is effectively used as a working space of the slider plate while overall size of the apparatus is reduced. A main PCB is fixed within a main chassis(100). A front panel(132) is disposed in front of the main chassis(100). A slider plate(200) is installed to advance and retreat within the main chassis(100). A link plate(260) links the front panel(132) with the slider plate(200). A rotative gearing train is engaged with the slider plate(200). A tilt motor rotates the rotative gearing train. A portion of a bottom surface of the main chassis(100) is protruded in an upper direction to form a PCB setting portion so that the main PCB is set on the bottom surface of the main chassis(100).

Description

Media playback device {DEVICE FOR PLAYING MEDIA}

1 is a perspective view showing a medium reproducing apparatus according to an embodiment of the present invention.

2 is an exploded perspective view of FIG.

3 is an enlarged detail view of the slider plate of FIG. 2;

Figure 4 is a front sectional view showing a main PC installation structure of the present invention.

Figure 5 is a partial perspective view showing the support structure of the slider plate by the slider spring of the present invention.

Figure 6 is a plan view showing a link holder installation structure of the present invention.

FIG. 7 is a perspective view of the link holder shown in FIG. 6. FIG.

Figure 8 is a partial perspective view showing the structure of the right guide portion installation of the present invention.

9 is a partial perspective view showing a tilt bracket installation structure of the present invention.

10 is an exploded perspective view showing a specific configuration of the tilt motor and the rotary gear train is fixed to the tilt bracket of FIG.

11 is a cross sectional view of FIG. 10.

12 is an operating state diagram showing the operating relationship of the limit switch by the protrusion according to the present invention.

Figure 13 is a use state showing the front panel tilting process according to the advance of the slider plate of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: main chassis 102,142: through hole

106: slide spacer 109: fixed slot

113,243: Support hook 115,244: Incision groove

120: rear cover 130: tilt chassis

140: top cover 132: front panel

133: tilt screw 150: PCB seating portion

200: slider plate 210: front portion

220: rack gear part 227,229: hinge part

231,232: Side slots 222,224: Left and right side parts

226,228: Left and right side guides 240: Guide slot

245: slider spring 250: link holder

255,108: left and right guide part 262: link pin

265: recess groove 270: tilt bracket

271: tilt motor support portion 272: rotary gear train fixing portion

280: protrusion 290: tilt motor

300: rotary gear train 302: worm gear

310: clutch bush 311: main PC

312 support end 313,315 limit switch

314: fitting groove 320: helical gear

322,323: Settlement groove 330: Follower gear

331,341: Flange 333: Locking groove

343: protrusion 340: clutch holder

346: protrusion ring 350: clutch spring

351: support ring 352,353: clutch plate

360: Tilt gear 372,374: 1st, 2nd gear pin

The present invention relates to a medium reproducing apparatus capable of reproducing sound or image media by tilting a front panel provided with control means.

An automobile is typically provided with a car audio device such as a radio, a cassette player, a compact disc, or the like. These car audio devices are mounted on the dashboard on the front of the driver's seat for easy operator control.

A typical car audio device has a front panel installed at the front of the body, and the front panel is equipped with a plurality of knob assemblies and operation buttons for selecting various functions of the car audio device. In addition, the front panel is provided with a liquid crystal display unit and a tape insertion hole for displaying a frequency or an operation mode.

However, the above-described conventional car audio device has a problem that the contents displayed on the liquid crystal display are not identified by the light incident from the outside, and the size of the display unit is enlarged because the tape insertion hole is formed in the front panel. There was a problem that was very difficult to make.

In order to overcome the above problems, Korean Patent Laid-Open Publication No. 2000-0038341 forms a tape insertion hole and a compact disc insertion hole in a frame located at the front of the main body, and tilts the front panel at an angle from the front of the frame to an outward direction. The dual mode car audio device has a tilting structure of the front panel, which can maximize the size of the display unit, and can easily identify the displayed content even when light is incident from the outside. .

In addition, Patent Registration No. 06276274 provides a storage case, a front chassis provided with a compact disc insertion hole or a cassette insertion hole on a surface covering the front side of the storage case, and a drive unit provided on the front side of the front chassis. It is installed at the front side of the loading chassis and the loading chassis to open and close the compact disc inlet / outlet or the cassette insertion opening while being linearly moved in parallel with the front surface of the front chassis, and displaying the operating conditions and selection conditions of the car audio. By providing an operation unit having a display window, etc., the front panel of the car audio can be made to reduce the compact disc taking-out hole or the cassette insertion opening on the operation unit side, thereby increasing the operation unit installation space and making the product slimmer. Say loading device is presented.

However, the conventional car audio system having the above configuration has a complicated mechanical mechanism for implementing the tilting operation of the front panel, and various mechanical and circuit mechanisms including motors, links, and gears necessary for implementing the tilting operation of the front panel. The driving unit is not efficiently disposed in the car audio, there was a problem that the overall size of the car audio device could not be compactly implemented.

Accordingly, the present invention has been made to solve the above-described problem, an object of the present invention is to form a protrusion on the inner surface of the slider plate, the main PC ratio is provided with a limit switch contacted by the protrusion when the slider plate is advanced The present invention provides a medium reproducing apparatus which can automatically stop driving of the tilt motor according to the moving width of the slide plate in the forward and backward directions so that the tilting action of the front panel can be more efficiently implemented.

The media reproducing apparatus of the present invention for achieving the above object is a main chassis; A main PCB fixed in the main chassis; A front panel disposed at the front side of the main chassis; A slider plate removably installed in the main chassis; A link plate connecting the front panel and the slider plate; A rotary gear train engaged with the slider plate; It comprises a tilt motor for rotating the rotary gear train, the protrusion is formed on the inner surface of the slider plate, and the limit switch is installed on the main PC and the contact is contacted by the protrusion when advancing the slider plate It is characterized by.

Here, the slider plate is composed of a front portion forming a front side, side portions connected to the left and right sides of the front portion and side guides bent in the side portion, the protrusion is disposed on the inner side of the side guide It is desirable to be.

In this case, the protrusion is formed of a horizontal plane disposed parallel to the inner surface of the side guide, and an inclined surface inclined to connect the horizontal surface and the inner surface of the side guide.

In addition, cutouts are formed above and below the protrusions.

Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

The media reproducing apparatus of the present invention, which will be described below, may be provided with various sound generating means or image display means on the front panel and the rear structure thereof, and collectively a device capable of reproducing and recording not only a compact disc (CD) but also a magnetic tape. do.

1 is a perspective view showing a media playback apparatus according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing a specific configuration of FIG.

1 and 2, a media reproducing apparatus according to the present invention includes a main chassis 100, a main PCB (not shown) fixed in the main chassis 100, and a front side of the main chassis 100. A front panel 132 disposed, a slider plate 200 installed in the main chassis 100 to be retractable, a link plate 260 connecting the front panel 132 and the slider plate 200, and And a rotary gear train 300 engaged with the slider plate 200 and a tilt motor 290 for rotating the rotary gear train 300.

The tilt chassis 130 connected to the link plate 260 is disposed at the front side of the main chassis 100, and the front panel 132 is disposed at the tilt chassis 130 to control means such as a display screen and a volume. Are combined.

The rear cover 120 is coupled to the rear side of the main chassis 100, and the top cover 140 is coupled to the upper side.

Although not shown in the drawing, a main PCB 311 is disposed above the slider plate 200, and a CD assembly capable of reproducing CDs is installed above the main PCB 311. .

The main chassis 100 includes a bottom surface 110 having a rectangular shape and a left surface 112 and a right surface 114 which are bent vertically to the left and right sides of the bottom surface 110.

The left side 112 and the right side 114 are asymmetric with each other, and the left side 112 has heat generated from a plurality of heat generating structures including a power IC (not shown) provided in the main PCB 311. Part of the heat sink 117 is mounted so as to diverge to the outside to secure the installation space is formed in the form of cut.

The PCB seating part 150 is formed by protruding a portion of the bottom surface 110 of the main chassis 100 upward so that the main PCB 311 is seated on the bottom surface 110 of the main chassis 100. Is provided.

In addition, a bracket hole 104 into which a part of the tilt bracket 270 to be described later is inserted is formed at the right front of the bottom surface 110 of the main chassis 100.

In addition, the left side of the bottom surface 110 of the main chassis 100 and the left side of the top cover 140 corresponding to the main chassis 100 to easily discharge the heat emitted from the power IC mounted on the main PC 311 to the outside. A plurality of through holes 102 and 142 are formed.

3 is an enlarged perspective view showing the detailed structure of the slider plate 200 according to the present invention.

As shown in FIG. 3, the slider plate 200 of the present invention is disposed between the bottom surface 110 of the main chassis 100 and the main PCB 311 so as to be able to move forward and backward in the main chassis 100. Is installed.

As shown in FIG. 3, the slider plate 200 is formed in a shape of a substantially “c” shape as viewed from the top, and includes a front part 210 and a left side of the front part 210. Left and right side parts 222 and 224 connected vertically to the right side, and left and right side guides 226 and 228 vertically bent upwardly to the left and right side parts 222 and 224. .

At this time, the left side portion 222 and the right side portion 224 has an asymmetric structure having different lengths and widths, and the left side portion 222 is shorter in length than the right side portion 224. While being formed, the left and right widths of the left side portion 222 are wider than the left and right widths of the right side portion 224.

Inside the right side portion 224, the rack gear 220 to be engaged with the rotary gear train 300 is formed integrally.

The left and right side parts 222 and 224 are formed with two side slots 231 and 232 having a predetermined width along the front and rear directions.

At this time, the side slots 231 of the left side part 222 may be formed to be arranged in parallel in the left and right directions with a predetermined gap.

In addition, the side slots of the right side part 224 may be formed to be arranged in series so as to lie in a straight line in the front and rear directions.

The left and right side guides 226 and 228 are formed with guide slots 240 drilled along the length direction so that the slider plate 200 may be guided by the link pin 262 which will be described later.

The guide slot 240 includes a horizontal portion 241 formed to be parallel to the left and right side guides 226 and 228 and an inclined portion 242 inclined upwardly from the front side of the horizontal portion 241. .

In addition, hinge portions 227 and 229 which are hinged to both side lower ends of the tilt chassis 130 are formed at the front sides of the left and right side guides 226 and 228, respectively.

The hinge parts 227 and 229 are bent inward at each front end of the left and right side surface guides 226 and 228 to form a double bent structure.

The left and right side guides 226 and 228 are semi-circularly shaped so as not to interfere with a portion around the tilt screw 133 hinged to the front end of the link plate 260 when the front panel 132 is tilted. It is preferable to form the groove of.

Meanwhile, in the present invention, as shown in FIG. 2, a slide spacer 106 on which the slider plate 200 is seated is installed on the bottom surface 110 of the main chassis 100 where the slider plate 200 is located.

In this case, the slide spacer 106 is disposed at a position corresponding to the side slots 231 and 232 formed in the left and right side parts 222 and 224 of the slider plate 200.

The slider plate 200 is fixed to the main chassis 100 by inserting a slide screw (not shown) into the side slots 231 and 232 and fastening the slide plate to the slide spacer 106.

Therefore, when the slider plate 200 moves forward and backward, the slider plate 200 is stably moved in the front and rear direction by the guide action of the slide screw.

In addition, the bottom surface 110 of the main chassis 100 located at the rear side of the left side portion 222 of the slider plate 200 allows a plurality of heat dissipating to the outside to be generated from the main PCB 311. The through hole 102 is formed.

On the other hand, Figure 4 shows the main PCB 311 installation structure according to the present invention, in particular, a structure in which the slider plate 200 is disposed in the lower space of the main PCB 311 seated on the PCB seating portion 150 Is showing.

As shown in FIG. 4, the main PCB 311 is disposed in the left and right side guides 228 of the slider plate 200 and is provided on the bottom surface 110 of the main chassis 100. It is fixed to 150 installed.

The PCB seating unit 150 has a trapezoidal protrusion structure as shown in FIGS. 5 and 7, which will be described later, and a horizontal plane 151 disposed parallel to the bottom surface 110 of the main chassis 100. It is made of an inclined surface 152 connecting the horizontal surface 151 and the bottom surface 110 to be inclined, the horizontal surface 151 to be fastened by fastening means such as bolts in the state in which the main PCB 311 is seated The fastening hole 154 is formed to be.

At this time, both sides of the PCB seating portion 150 is formed with a straight cut portion 153.

On the other hand, Figure 5 is a partial perspective view showing a support structure of the slider plate 200 by the slider spring 245 of the present invention.

As shown in FIG. 5, the slider plate 200 of the present invention has a structure elastically supported by the main chassis 100 by the slider spring 245.

That is, both ends of the slider spring 245 are supported on the rear end of the left side guide 226 of the slider plate 200 and the left side 112 of the main chassis 100 spaced a predetermined distance from the rear side. The support hooks 243 and 113 protrude.

In this case, each of the support hooks 243 and 113 is bent from the left side guide 226 and the left side 112 of the main chassis 100, respectively.

In addition, the protruding directions of the support hooks 243 and 113 may be formed to face each other in opposite directions as shown in the drawing.

In addition, it is preferable to form cutout grooves 244 and 115 of a predetermined shape in the bent adjacent portions of the respective support hooks 243 and 113.

On the other hand, Figure 6 is a plan view showing the installation structure of the link holder 250 according to the present invention, Figure 7 is an enlarged perspective view of the link holder 250 showing the structure of the link holder 250 shown in FIG. .

6 and 7, a link holder 250 is provided on the left side of the bottom surface 110 of the main chassis 100 to guide the left side when the slider plate 200 moves forward and backward.

The link holder 250 has a horizontal fixing portion 251 fixed to the bottom surface 110 of the main chassis 100, and the horizontal height so as to guide the left side guide 226 of the slider plate 200. It consists of a left guide portion 252 vertically bent upward from the government 251.

The horizontal fixing part 251 has a shape structure of a shape of "b", and the fastening hole 258 (259) is provided at the right end 256 and the rear side end 257 of the horizontal fixing part 251. It is fixed to the bottom surface 110 of the main chassis 100 through a fastening means such as a bolt.

In this case, the rear end portion 257 has a structure formed to be inclined toward the left side 112 of the main chassis 100 and the fastening hole 259 formed in the rear end portion 257 has a portion cut open. It is formed to have.

The link guide slot 252 is inserted into the left guide part 252 which guides the left side guide 226 of the slider plate 200 and the link pin 262 is inserted at the same time as the guide slot 240 of the left side guide 226. 255).

The link slot 255 is composed of a horizontal portion 253 disposed in parallel with the advancing direction of the slider plate 200 and an inclined portion 254 inclined downwardly from the front side of the horizontal portion 253. have.

The rear guide portion 252 is hinged to the rear end of the link plate 260 connected to the tilt chassis 130 so as to be rotatable through the link pin 262.

At this time, the link pin 262 is coupled to the link slot 255 through the guide slot 240 formed in the left side guide 226 of the slider plate 200, thereby link link 260 and the slider plate 200. ) Are simultaneously coupled to the left guide part 252.

On the other hand, the right side of the bottom surface 110 of the main chassis 100 to guide the right side guide 228 of the slider plate 200 corresponding to the left guide portion 252 of the link holder 250 ( 108 is provided.

8 is a partial perspective view showing the installation structure of the right guide portion 108 according to the present invention.

As shown in FIG. 8, the right guide part 108 has a structure bent vertically upward from the bottom surface 110 of the main chassis 100, unlike the left guide part 252.

The right guide part 108 forms a shape structure corresponding to the left guide part 252, and the right guide part 108 intersects with the guide slot 240 of the right side guide 228 and at the same time a link pin ( Link slot 255 is formed into which 262 is inserted.

The link slot 255 is composed of a horizontal portion 253 disposed in parallel with the advancing direction of the slider plate 200 and an inclined portion 254 inclined downwardly from the front side of the horizontal portion 253. have.

The rear guide end of the link plate 260 connected to the tilt chassis 130 is hinged to the right guide 108 so as to be rotatable through the link pin 262.

At this time, the link pin 262 is coupled to the link slot 255 through the guide slot 240 formed in the right side guide 228 of the slider plate 200, thereby link link 260 and the slider plate 200. Are coupled to the right guide 108 at the same time.

On the other hand, a tilt bracket 270 is installed on the bottom surface of the main chassis 100 adjacent to the right guide part 108 to mount the tilt motor 290 and the rotary gear train 300 that drive the slider plate 200. do.

9 is a partial perspective view illustrating a structure in which the tilt bracket 270 of the present invention is installed on the bottom surface 110 of the main chassis 100.

As shown in FIG. 9, the tilt bracket 270 of the present invention has a structure fixed to the main chassis 100 with a portion inserted into the bracket hole 104.

The tilt bracket 270 includes a tilt motor support part 271 in which the tilt motor 290 is supported, and a rotation gear train fixing part 272 in which the rotary gear train 300 is fixed.

The tilt motor support part 271 is bent from the bottom part 273 and the bottom part 273 to left and right bent parts 274 and 275 respectively supporting the left and right sides of the tilt motor 290. It is composed.

A fastening hole 277 for fixing the tilt motor 290 is formed at the right bent part 275 so as to firmly support the tilt motor 290 through a fastening means such as a bolt.

At the upper ends of the left and right bent parts 274 and 275, seating parts 276 recessed in the downward direction are formed to allow the left and right ends of the tilt motor 290 to be seated.

The rotary gear train fixing part 272 is connected to the upper bottom part 278 connected in parallel with the bottom part 273 of the tilt motor support part 271 and the upper bottom part 278, and the bracket hole 104. It is composed of a lower bottom portion 279 is inserted into.

The lower bottom part 279 is formed by pressing a portion of the upper bottom part 278, and the vertical gap between the lower bottom part 279 and the upper bottom part 278 is a bottom surface of the main chassis 100. (110) to correspond to the thickness.

In addition, the shape of the lower bottom portion 279 has a shape corresponding to the bracket hole 104.

In addition, a first gear pin 372 and a second gear pin, which are rotation shafts of the helical gear 320 and the tilt gear 360 provided in the rotary gear train 300, are disposed on an upper surface of the lower bottom part 279. A shaft hole to which the 374 can be mounted is formed.

The front and side fixing parts of the lower bottom part 279 are bent from the lower bottom part 279 and fixed to the bottom surface 110 of the main chassis 100, respectively. 281 is formed.

Accordingly, when fixing the tilt bracket 270, the side fixing portion 281 is fixed on the bottom surface 110 of the main chassis 100 in a state of passing through the fixing slot 109 at the bottom of the right guide 108. do.

The tilt bracket 270 is coupled to the fastening hole formed in the upper bottom portion 278 and the fastening hole formed in the front fixing portion 284 of the lower bottom portion 279, and the upper bottom portion 278 ) And side fastening portions 281 are fastened to the main chassis 100 by coupling fastening means such as rivets.

On the other hand, Figure 10 is an exploded perspective view showing a specific configuration of the tilt motor 290 and the rotary gear train 300 mounted to the tilt bracket 270 of the present invention, Figure 11 is a cross-sectional structure of the combined state of Figure 10 It is a cross section showing.

As shown in Figure 10 and 11, the rotary gear train 300 of the present invention is provided with a clutch unit that can connect or block the rotational power transmitted from the tilt motor 290 to the slider plate 200. .

That is, the rotary gear train 300 includes a worm gear 302 coupled to the rotation shaft 301 of the tilt motor 290, a helical gear 320 engaged with the worm gear 302, and the helical gear 320. The tilt gear 360 is disposed in the lower portion of the driven gear 330 is connected to the helical gear 320 with the clutch unit therebetween, and is engaged between the driven gear 330 and the rack gear unit 220. It is configured to include).

The clutch unit has a first gear pin 372 coupled to the center of the helical gear 320 and the driven gear 330, and is disposed above the helical gear 320 and through the first gear pin 372. It is configured to include a clutch holder 340 to be coupled, and a clutch spring 350 to elastically press the clutch holder 340 to the driven gear 330 side.

The helical gear 320, the driven gear 330, and the clutch unit are rotatably fixed to the bottom bottom 279 of the tilt bracket 270 through the first gear pin 372.

The upper and lower surfaces of the helical gear 320 are formed with seating grooves 322 and 323 on which the clutch holder 340 and the driven gear 330 can be seated, and the clutch holder 340 is inserted in the center thereof. The hollow 321 can be formed.

The clutch holder 340 has a body 342 having a space portion for accommodating the clutch spring 350 therein, and a flange 341 having an extended diameter at an upper end of the body 342.

The driven gear 330 has a space portion in which the body 342 of the clutch holder 340 can be accommodated, and a body portion 332 and the body having a gear portion engaged with the tilt gear 360 on an outer circumferential surface thereof. 332 is formed on the top of the flange 331.

In addition, a hollow 334 into which the clutch bush 310 to be described later is inserted is formed at the center of the driven gear 330.

The flange 341 of the clutch holder 340 is seated in the upper seating groove 322 of the helical gear 320, the flange 331 of the driven gear 330 is the lower seating groove of the helical gear 320 It has a structure seated at 323.

On the other hand, the outer circumferential surface of the body 342 of the clutch holder 340 is formed with a plurality of protruding end at a predetermined interval, the engaging is engaged with the protruding end 343 on the inner circumferential surface of the body 332 of the driven gear 330. The groove 333 is formed.

Accordingly, when the body 342 of the clutch holder 340 is accommodated in the body 332 of the driven gear 330, the body 342 may slide upward and downward and rotate about the first gear pin 372. It is designed to rotate with each other.

The clutch unit is disposed between the first gear pin 372 and the clutch spring 350 to connect the clutch holder 340 and the driven gear 330, and the clutch bush ( It may be configured to further include a support ring 351 is coupled to the top of the 310 and the clutch spring 350 is supported.

The clutch bush 310 has a hollow in which a first gear pin 372 can be inserted.

In addition, the lower end of the clutch bush 310 is provided with a support end 312 is supported on the lower end of the body 332 of the driven gear 330, the upper end of the fitting groove (351) is fitted into the fitting groove ( 314 is formed.

The clutch unit may further include clutch plates 352 and 353 interposed between the helical gear 320 and the clutch holder 340 or the driven gear 330.

The clutch plates 352 and 353 have a ring shape, respectively, the flange 341 and the helical gear 320 of the clutch holder 340, and the flange 331 and the helical of the driven gear 330, respectively. It is interposed between the gears 320.

In the body 342 of the clutch holder 340 has a structure in which the upper end is supported by a support ring 351 in a state in which the clutch spring 350 is accommodated.

At this time, the clutch holder 340 is further provided between the clutch spring 350 and the clutch bush 310, the projection ring portion 346 protruding in a cylindrical shape from the inner bottom surface of the clutch holder 340 is further provided. .

The protruding annular portion 346 may be formed to surround the outer circumferential surface of the clutch bush 310, and the outer surface of the protruding annular portion 346 may be formed to be tapered to facilitate insertion of the clutch spring 350.

In addition, the chamfered chamfered portion 347 is formed at the upper edge of the hollow 344 of the clutch holder 340 to facilitate the installation of the clutch spring 350.

The tilt gear 360 is rotatably fixed to the bottom bottom 279 of the tilt bracket 270 through the second gear pin 374.

The tilt gear 360 is integrally fixed to an upper portion of the lower gear 362 and the lower gear 362, which is engaged with the outer circumferential surface of the body 332 of the driven gear 330, and a rack gear of the slider plate 200. It consists of an upper gear (364) that meshes with the portion (220).

In this case, the upper gear 364 is provided to have a smaller diameter than the lower gear 362.

On the other hand, Figure 12 is an operating state diagram showing the process of the limit switch of the main PCB 311 in contact with the advancing and moving of the slider plate 200.

As shown in FIG. 12, inside the right side guide 228 of the slider plate 200 of the present invention, limit switches 313 and 315 mounted on the main PC 311 during the forward and backward movement of the slider plate 200 are provided. Protruding portion 280 that can be contacted is provided.

The protrusion 280 of the present invention has a trapezoidal cross-sectional structure similar to the shape of the PCB seating portion 150 described above.

The structure of the protrusion 280 is also shown in detail in FIG. 3 described above. The protrusion 280 is a horizontal plane 281 disposed in parallel with an inner surface of the right side guide 228 and the horizontal plane 281. And an inclined surface 282 connecting the inner surface of the right side surface guide 228 to be inclined.

In addition, upper and lower sides of the protrusion 280 are formed with a straight cut portion 283.

On the other hand, the right side guide 228 of the slider plate 200 and the right side of the main PCB 311 adjacent to each other, the predetermined distance between each other contacted by the protrusion 280 during the advancing movement of the slider plate 200 Two limit switches 313 and 315 are arranged to form a configuration.

The limit switches 313 and 315 may be connected to a power supply device (not shown) to stop the driving of the tilt motor 290 by cutting off the power supplied to the tilt motor 290 at the time of contact by the protrusion 280. It is supposed to be.

According to the contact structure of the limit switch 313, 315 by the protrusion 280 of the present invention, the movement width of the front and rear direction of the slider plate 200 can be automatically limited during the forward and backward movement.

On the other hand, the tilt chassis 130 is disposed on the front side of the main chassis 100, the front end of the link plate 260 on the upper left and right sides of the tilt chassis 130 through the tilt screw 133 Rotatably coupled.

In addition, the rear end portions of the link plate 260 are left and right guide parts 255 and 108 through the link pins 262 in a state of being disposed inside the left and right side surface guides 228 of the slider plate 200. Rotatably coupled).

At this time, the link plate 260 has a shape structure in which the upper and lower width gradually increases from the rear end to the front end.

The link plate 260 forms a structure disposed inside the left and right side surface guides 226 and 228. Upon completion of the tilting of the front panel 132, the link plate 260 is disposed on the bottom surface 110 of the main chassis 100. Since it is placed in a position overlapping the slide spacer 106, it is recessed upward in the lower end of the link plate 260 to prevent the link plate 260 from interfering with the slide spacer 106 It is preferable to form the concave groove 265.

Hereinafter, the mechanism of the front panel 132 of the medium reproducing apparatus according to the present invention will be described with reference to the accompanying drawings and FIG. 13 below.

13 is an operating state diagram showing a tilting process of the front panel 132 according to the advancing and moving of the slider plate 200 of the present invention.

First, in the medium reproducing apparatus of the present invention, the slider plate 200 in which the driving signal is not applied to the tilt motor 290 is maintained elastically supported by the main chassis 100 through the slider spring 245.

Subsequently, when a user applies a driving signal in a forward direction (opening direction of the front panel) to the tilt motor 290 by operating a button on the front side for tilting the front panel 132, the rotation shaft of the tilt motor 290. The worm gear 302 coupled to 301 is rotated, and the helical gear 320 engaged with the worm is rotated.

At this time, since the clutch holder 340 and the driven gear 330 are firmly adhered by the clutch spring 350 with the helical gear 320 interposed therebetween when the helical gear 320 is rotated. The driven gear 330 rotates in conjunction with each other, and the rack gear 220 moves linearly by the rotation of the tilt gear 360 engaged with the driven gear 330 to advance the slider plate 200 at a constant speed. do.

In this process, the lower end of the tilt chassis 130 coupled with the front panel 132 is moved to the front side as the slider plate 200 moves forward, while the upper end of the tilt chassis 130 is the left and right guide parts. The front panel is tilted while rotating about the front end of the link plate 260 hinged to 108.

At this time, the rear end portion of the link plate 260 is a link portion of the inclined portion 242 of the guide slot 240 formed in the left and right side guides 226 and 228 according to the forward action of the slider plate 200. The pin 262 is pushed forward, and thus the link pin 262 is moved forward along the horizontal portion 253 of the link slot 255 formed in the left and right guide portions 255 and 108. It is moved downward by the inclined portion 254 and then guided along the horizontal portion 241 of the guide slot 240.

In the state where the tilting of the front panel 132 is finally completed after the series of processes described above, the link plate 260 is disposed in a state substantially parallel to the slider plate 200 as shown in the drawing.

When the tilted front panel 132 is to be returned to the original position as described above, the user operates the button on the front of the front panel 132 again to reverse the tilt motor 290 (the closing direction of the front panel). A driving signal is applied, and the tilt motor 290 rotates the rotary gear train 300 in the reverse direction to return the front panel 132 by reversing the slider plate 200 in a process opposite to the above-described series of processes. Will be made.

On the other hand, the front and rear width of the slider plate 200 in the tilting or return process of the front panel 132 as described above is automatically made by the operation of the limit switch 313, 315.

That is, when the slider plate 200 advances and reaches the final open position of the front panel 132 when the front panel 132 is tilted, the protrusion 280 formed in the right side guide 228 of the slider plate 200. Touches the front limit switch 315 on the right side of the main PC 311 to stop driving the tilt motor 290 so that the front panel 132 is no longer tilted.

On the contrary, when the front panel 132 is returned, when the slider plate 200 moves backward to reach the closed position of the front panel 132, the protrusion 280 of the right side guide 228 is the main PC 311. The limit switch 313 of the rear side is contacted to stop driving of the tilt motor 290.

On the other hand, according to the present invention, since the clutch unit which can connect or block the rotational power transmitted from the tilt motor 290 to the slider plate 200 is installed, the slider plate is driven by an external force while the tilt motor 290 is being driven. Even if the driving of the 200 is forcibly cut off, it is possible to prevent the load from being transmitted to the tilt motor 290 through the clutch unit in advance, thereby preventing damage to the tilt motor and the gear train.

According to the present invention described above, the following effects can be expected.

By arranging the slider plate of the present invention between the bottom surface of the main chassis and the main PC to be retractable, the lower space of the main PC can be effectively used as the working space of the slitter plate, and the overall size of the device can be reduced. It works.

In addition, by installing a slide spacer on which the slider plate can be seated on the bottom surface of the main chassis, the slide plate can be slid away from the bottom surface of the main chassis, and the contact area during the forward and backward movement of the slide plate. This reduces the noise can be reduced and the smooth sliding action can be made.

In addition, by forming the side slots formed on the left and right side portions of the slider plate, by inserting the slide screw through the side slots and configured to fasten the slider spacer, it is stably guided by the slide screw during the forward and backward movement of the slide plate Can be.

In addition, the side guides are bent to the left and right side portions of the slider plate, and the guide plate for guiding the side guides is installed in the main chassis, so that the slider plate can be guided at two positions at the lower and both sides thereof. It is possible to prevent the flow in the left and right direction during the retraction movement.

In addition, by forming the main PC ratio to be arranged inside the side guides of the slider plate, the left and right widths of the main chassis can be made to be more compact device.

In addition, the side slots of the left side portion of the slider plate are arranged in parallel in the left and right directions so that the guide action by the slide screw is not deteriorated even if the length of the left side portion is shortened.

In addition, since the side slots of the right side portion of the slider plate are arranged in series in the forward and rearward directions, the left and right widths of the right side portion can be reduced as much as possible, thereby reducing the size of the entire apparatus.

Further, by forming a plurality of through holes in the bottom surface of the main chassis located on the rear side of the short left side portion in the slider plate, it is possible to effectively dissipate heat generated in the power IC portion attached to the main PC to the outside.

In addition, by integrally forming the rack gear portion on the side of the slider plate, the structure of the slider plate is simplified and assembly tolerances are not generated due to the combination of the two members, thereby reducing vibration and noise during driving and enabling precise sliding operation. It is done.

In addition, by providing a link holder for guiding the side surface of the slide plate in the main chassis, it is possible to suppress the phenomenon that the left and right flow of the slider plate when driving.

In addition, the link holder is composed of a horizontal fixing to be fixed to the bottom surface of the main chassis, and a guide portion for guiding the side guides and by fastening the side guide and the link plate to the guide portion through the link pin, In addition to the side guide action of the slider plate there is an advantage that can perform the rotation support action of the link plate at the same time.

In addition, a link slot into which the link pin is inserted is formed in the guide part, and the link slot is formed by a horizontal part disposed along the length direction of the side guide and an inclined part inclined downward from the horizontal part, thereby moving the slider plate forward and backward. Since the guide pin according to the shape of the link slot and can guide the rotation and linear movement of the link plate it can be made easy to tilt the front panel by a simple mechanical structure.

In addition, by forming a fastening hole formed in the horizontal fixing portion of the link holder in an open structure on one side, when assembling the link holder on the bottom surface of the main chassis it can minimize the assembly error.

In addition, by adopting a structure in which a part of the tilt bracket to which the rotary gear train and the tilt motor are fixed is inserted into the bracket hole formed in the main chassis and fixed to the main chassis, the height of the rotary gear train is maximized to match the height of the rack gear. Because it can be reduced, the size of the device can be prevented from expanding.

In addition, since the tilt bracket is composed of a tilt motor support part on which the tilt motor is supported and a rotation gear row fixing part on which the rotary gear train is fixed, the tilt bracket set equipped with the tilt motor and the rotary gear train can be configured. Workability is improved, and the set can be modularized and managed and stored.

In addition, the tilt motor support part is composed of a bottom part and a bent part bent at the left and right sides of the bottom part, and the bent part is formed with a fastening hole for fixing the tilt motor, thereby simplifying the fixing of the tilt motor and driving the tilt motor. It is possible to minimize the vibration caused.

In addition, by forming a seating portion on which the tilting motor can be seated on the upper end of the bent portion of the tilting motor support, there is an effect of facilitating bolt fastening operation when the tilting motor is fixed.

In addition, the upper gear that is connected to the upper portion of the rotary gear row fixing portion parallel to the bottom of the tilt motor support, and the lower bottom portion connected to the upper bottom portion and inserted into the bracket hole, the upper bottom portion is not mounted It can be fastened directly to the bottom of the main chassis and can reduce the size of the device by reducing the height of the row of rotary gears mounted on the bottom.

In addition, the lower bottom portion of the tilt bracket is bent to form a fixing part fixed to the bottom surface of the main chassis, so that the lower bottom portion can be fixed on the bottom surface of the main chassis through the fixing portion when driving the row of rotary gears. The shaking phenomenon such as vibration generated in the lower bottom portion can be suppressed.

In addition, by forming a fixing slot through which the fixing portion of the lower bottom portion through the guide portion has the advantage of reducing the size of the fixing portion as possible and can be fixed firmly structurally.

Also, by forming a protrusion on the inner side of the slider plate, and by installing a limit switch contacted by the protrusion when the slider plate is moved in and out of the main PCB, the tilt motor is automatically driven when the proper distance is reached when the slide plate is moved back and forth. Since it can be blocked, product quality can be improved.

In addition, since the protrusion is formed of a horizontal plane disposed parallel to the inner surface of the side guide and an inclined surface connecting the horizontal surface and the inner surface of the side guide to be inclined, the contact between the protrusion and the limit switch during the movement of the slider plate can be made naturally. Since there is an effect that can prevent a decrease in mechanical durability.

In addition, by forming an incision in the upper and lower sides of the protrusion, there is an effect that the molding operation of the protrusion can be easily made.

In addition, by installing a slider spring to elastically support the slider plate on the main chassis, the slider plate is advanced by vibration transmitted to the device even when the drive signal is not applied to the tilt motor, so that the front panel can be tilted. Can be prevented.

In addition, by forming the support hooks supporting both ends of the slider spring from the slider plate and the main chassis, the molding is simple and the number of parts can be suppressed compared with the case where the structure is installed as a separate structure. Can be reduced.

In addition, by arranging the protruding directions of the support hooks in opposite directions, it is possible to prevent the slider spring from being easily detached from the support hooks when the slider plate moves forward and backward.

In addition, by forming an incision groove in the adjacent portion of the support hook, it is possible to obtain the effect of facilitating the bending work of the support hook through the incision groove.

In addition, by installing a clutch unit that can connect or block the rotational power transmitted from the tilt motor to the slider plate in the rotary gear train, even if the drive of the slitter plater is forcibly cut off while the tilt motor is being driven through the clutch unit. It is possible to prevent the load from being transmitted to the tilt motor in advance, thereby preventing the tilt motor and the gear from being damaged.

In addition, a worm gear coupled to the rotary shaft of the tilt motor, a helical gear meshing with the worm gear, a driven gear disposed under the helical gear and connected via a clutch unit, and a driven gear and a rack gear part are fitted. As the physics is configured by the tilt gear, the power transmission and the blocking action can be easily performed through a simple mechanical configuration.

In addition, the clutch unit includes a gear pin coupled to the center of the helical gear and the driven gear, a clutch holder disposed above the helical gear and coupled through the gear pin, and a clutch spring for elastically pressing the clutch holder toward the driven gear. In this case, by utilizing a small number of parts in a small space, there is an effect that can effectively block the power transmitted between the tilt motor and the slider plate.

In addition, the clutch unit is disposed between the gear pin and the clutch spring to connect the clutch holder and the driven gear, and comprises a support ring coupled to the upper end of the clutch bush and the clutch spring is supported, thereby in the clutch holder Since the gear pin and the clutch spring can be stably supported, power transmission can be made firmly mechanically.

In addition, since the clutch plate is formed between the helical gear and the clutch holder or the driven gear, the friction force between the helical gear and the clutch holder or the driven gear by the clutch plate can increase the clutch spring with a small modulus of elasticity. It is also possible to obtain the effect that can be applied.

In addition, by forming a protruding end on one side of the clutch holder and the driven gear and engaging grooves engaged with the protruding end on the other side, the clutch holder can smoothly perform linear sliding in the vertical direction with respect to the driven gear. At the time of rotation, the driven gear is rotated in engagement with the clutch holder to obtain a precise rotation ratio between the clutch holder and the driven gear.

In addition, by forming a projection ring projecting from the inner bottom surface of the clutch holder cylindrically between the clutch spring and the clutch bush, the clutch bush can be stably supported without flowing left and right through the projection ring.

In addition, by forming the outer surface of the protruding annular portion to be tapered, there is an effect that the clutch spring can be easily installed in the inner space of the body of the clutch holder.

In addition, by forming a PCB seating portion on which the main PCB may be seated on the bottom surface of the main chassis, the slider plate may be easily disposed in the lower space of the main PCB.

In addition, the PCB seating portion is composed of a horizontal plane disposed in parallel to the bottom surface of the main chassis, and an inclined surface connecting the horizontal surface and the bottom surface inclined, by forming a fastening hole for fastening means such as bolts on the horizontal surface It is very easy to fix the main PC, so the workability is improved.

In addition, by forming cutouts on both sides of the PCB seating portion there is an advantage that the molding operation of the PCB seating portion becomes easy.

In addition, by forming a concave groove recessed in the upper direction at the lower end of the link plate, it is possible to prevent the mechanical defect caused by the lower end of the link plate interferes with the slider spacer when the front panel tilts.

In addition, the hinge plate formed on the left and right side guides of the slide plate is bent inward at each front end of the left and right side guides, and then formed into a double bending structure that is bent forward to the front side so that the link plate is tilted when the front panel is tilted. The tilting may be performed without interfering with each other while being positioned between both side surfaces of the chassis and the left and right side guides of the slider plate.

In addition, by forming a semi-circular groove at the upper end of the left and right side guides, it is possible to prevent the interference around the tilt screw hinged to the front end of the link plate when the front panel tilts, so that the front side of the link plate is directed downward. It is possible to move further, thereby increasing the tilting angle of the front panel.

Claims (4)

Main chassis; A main PCB fixed in the main chassis; A front panel disposed at the front side of the main chassis; A slider plate removably installed in the main chassis; A link plate connecting the front panel and the slider plate; A rotary gear train engaged with the slider plate; It includes a tilt motor for rotating the rotary gear train, A protrusion protruding from an inner surface of the slider plate, And a limit switch installed on the main PC and contacted by the protrusion when the slider plate moves forward and backward. According to claim 1, The slider plate is made of a front portion to form a front side, side portions connected to the left and right sides of the front portion and side guides bent to the side portion, And the protrusion is disposed on the inner side of the side guide. The method of claim 2, wherein the protrusions, A horizontal plane disposed parallel to the inner surface of the side guides; And an inclined surface connecting the horizontal surface and the inner surface of the side guide to be inclined. 4. The media reproducing apparatus according to claim 3, wherein cutouts are formed on upper and lower sides of the protrusions.

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