JP2006302374A - Tray door and optical disk drive - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a disk tray capable of being operated to be smoothly incorporated with a disk tray when an optical disk is inserted or ejected, suppressing the tray door from being depressed even if a load is applied to the tray door and also suppressing the occurrence of abnormal noise when the tray door is brought into contact or slide contact with other parts. <P>SOLUTION: This optical disk drive has a plurality of guide libs 34 (five guide libs, here) provided integrally projectingly on the backside 30 of a door body 31 at intervals, and a rib 35 for depression prevention arranged in contact with the front surface of the disk tray 2 or with little gap from the front surface when the tray door 3 is closed almost at the center of the door body 31 in a longitudinal direction. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to a tray door that opens and closes when a tray on which an optical disk is placed is inserted and ejected, and an optical disk apparatus using the tray door.

Currently, an optical disk is often adopted as a recording medium in many electronic devices such as audio equipment and video equipment. An electronic device (optical disk device) using an optical disk places an optical disk on a tray, and slides the tray into or out of the tray, thereby conveying the tray from the take-out position to the reproduction / recording position or vice versa. For example, the optical disk device is a DVD (Digital Versatile Disc).
In the case of a player, the tray is inserted and ejected by a button provided on the player or an input from a remote controller.

A through hole is formed in a portion where the tray on the front side of the DVD player is inserted and ejected, and the inside of the through hole is not visible when the tray is inserted into the player. In addition, a tray door is attached for suppressing the entry of foreign matter from the outside. The tray door is formed to open in accordance with the movement of the tray when the tray is ejected, and to close in accordance with the movement of the tray when the tray is inserted.

As described in Japanese Patent Application Laid-Open No. 2003-51181, the opening and closing of the tray door is normally urged in the direction of closing the tray door, and when the tray is discharged, the front surface of the tray is the back surface of the tray door. Open by pushing and close when the tray door moves along the tray when the tray is inserted.

FIG. 7 shows a front view of a conventional optical disc apparatus. The optical disc apparatus shown in FIG. 7 is a DVD player here, although not limited thereto. The DVD player PM shown in FIG. 1 has a front panel 91. The front panel 91 has an opening 911 for inserting and ejecting DVD media, a disc tray 92 that moves forward and backward from the opening 911, and an opening. And an openable / closable tray door 93 attached to the portion 911. The front panel 91 includes a media button 912 for inserting and ejecting DVD media, a power button 913, and a display unit 914 that indicates the state of the DVD player PM.

FIG. 8 shows a side sectional view of a conventional optical disc apparatus. When the DVD player PM advances the disc tray 92, the front surface 921 of the disc tray 92 pushes the tray door 93, the tray door 93 opens, and the disc tray 92 projects from the opening 911. The optical disk is inserted into and ejected from the disk tray 92 protruding from the opening 911 by attaching and detaching the optical disk.

As shown in FIG. 7, the tray door 93 is a long plate-shaped member made of resin. The tray door 93 has a pair of left and right support shafts 932 projecting concentrically and integrally at the tip of the mounting portion 931. The support shaft 932 is rotatably attached to a tray door attachment portion 910 formed on the back surface of the front panel 91. Further, the tray door 93 is urged in the closing direction by a spring 933 wound around one support shaft 932.

On the back surface of the tray door 93, a plurality of (here, five) vertical ribs 934 slidably contacting the disc tray 92 are provided integrally with the tray door 93 along the forward / backward direction of the disc tray 92 at a predetermined interval. Has been. The outer peripheral edge of the front end portion of the vertical rib 934 is inclined in a tapered shape. A convex portion (not shown) formed integrally in a direction perpendicular to the vertical rib 934 is provided at the tip of the vertical rib 934 on both the left and right sides.

When the disk tray 92 moves forward, the tray door 9 is moved at the front surface 921 of the disk tray 92.
3, the vertical rib 934 is slidably contacted with the lower end portion of the front surface 921 of the disc tray 92, and the tray door 93 is smoothly opened. When the disc tray 92 gets over the tray door 93, the disc tray 9 is in a state where both ends of the disc tray 92 and the convex portion (not shown) are in contact with each other.
2 moves forward. When the disc tray 92 moves backward, the tray door 93 is closed by the reverse movement of the forward movement.

When the tray door 93 is closed, the tray door 93 comes into contact with a door stop rib 912 provided on the upper portion of the opening 911 of the front panel 91 and stops. A blindfold rib 91 that prevents the inside of the DVD player PM from being seen from between the tray door 93 and the opening 911 under the opening 911.
3 is provided. Further, the tray door 93 has a lateral rib, and prevents deformation of the tray door 93 during operation.
JP 2003-51181 A

When a load is applied to the tray door 93 from the front surface, provided at the lower part of the opening 911,
The blind rib 913 engages with the lower portion of the tray door 93 to prevent the tray door 93 from being recessed. However, the amount of the blindfold rib 913 protruding from the lower portion of the opening 911 is small in order to prevent interference with the disc tray 92, and when a large force is applied to the lower portion of the tray door 93,
The lower part of the tray door 93 gets over the blindfold rib 913.

If the lower portion of the tray door 93 gets over the blindfold rib 913 and is recessed, the appearance from the front of the DVD player PM becomes worse. Further, the blindfold rib 913 and the lower portion of the tray door 93 are rubbed, and abnormal noise is generated, which causes discomfort to the user. Further, when the tray door 93 and the disc tray 92 come into contact with each other vigorously, a striking sound is generated if the contact is intense. This striking sound also causes discomfort to the user.

SUMMARY OF THE INVENTION An object of the present invention is to provide an optical disc apparatus capable of smoothly operating a disc tray and a tray door when inserting or ejecting the optical disc.

In addition, the present invention suppresses the depression of the tray even when a load is applied to the tray door of the optical disc apparatus, suppresses the generation of noise due to contact between the tray door and others, and sliding contact, and makes the user uncomfortable. An object of the present invention is to provide an optical disc device that does not feel the above.

To achieve the above object, the present invention provides a disc tray in which an optical disc is arranged and can be moved forward and backward, a front panel having an opening through which the disc tray penetrates when the optical disc is inserted or ejected, and the opening. An optical disc apparatus having a tray door attached so as to be opened and closed and always biased in a closing direction, wherein the front panel is formed above the opening and is engaged with an upper portion of the tray door when the tray door is closed. Mating tray door stop ribs, blindfold ribs formed on the lower side of the opening, a pair of tray door mounting portions that are integrally projected on the rear surface of the front panel and rotatably support the tray door, A spring that normally biases the tray door in the closing direction, and the tray door has a long door shape and a back side of the door body. Five guide ribs integrally projecting along the longitudinal direction of the disc tray, three lateral ribs projecting integrally along the longitudinal direction of the door body on the back side of the door body, and the door A dent prevention rib integrally projecting along the longitudinal direction at the lower part of the longitudinal center of the main body, and engaging with a tray door mounting portion integrally projecting on the back side of the door main body and formed on the back surface of the front panel. And the five guide ribs are formed to have the same height at the top of the tray door and are arranged side by side at the center of the five guide ribs. A central guide rib to be disposed and end guide ribs disposed at both ends, and has a curved surface shape that smoothly and continuously connects the height of the guide rib at the upper portion of the tray door and the height of the dent prevention rib. And The end guide rib has a tray sliding contact portion which extends in the longitudinal direction of the tray door and is in sliding contact with the end portion of the lower surface of the disc tray. When the tray is housed, the tray door comes into contact with the tray door stop rib having an opening at the top, and the gap between the dent prevention rib provided on the back surface of the tray door and the front surface of the disc tray is reduced. When a load is applied, the dent prevention rib and the front surface of the disc tray come into contact with each other, and the disc tray advances while smoothly sliding on the curved surface portion of the central guide rib of the tray door, and is supported by all the guide ribs. Then, both end portions of the end portion of the lower surface are in sliding contact with the tray sliding contact portion of the end guide rib.

According to this configuration, even when a load is applied from the outside when the tray door is closed,
The dent prevention rib provided on the back surface of the tray door is brought into contact with the front surface of the disc tray and prevents the tray door from being deformed. Thereby, it can suppress that the said tray door dents and impairs the designability of an optical disk device.

Further, this prevents the tray door from being deformed, and the lower portion of the tray door does not get over the blindfold rib. That is, it is possible to prevent the generation of frictional noise when the lower portion of the tray door gets over the blindfold rib, and to eliminate the cause of discomfort to the user.

Further, since the central guide rib is provided to contact the disc tray continuously when the disc tray moves forward and is ejected from the optical disc apparatus, it is always in contact even when the tray door is pushed and opened by the disc tray. Thus, the disc tray and the tray door do not come into contact with each other vigorously. As a result, it is possible to prevent a hitting sound from being generated when the disc tray and the tray door come into contact with each other, and it is possible to remove the bad feeling of use by the user.

To achieve the above object, the present invention provides a disc tray in which an optical disc is arranged and can be moved forward and backward, a front panel having an opening through which the disc tray penetrates when the optical disc is inserted or ejected, and the opening. An optical disc apparatus having a tray door attached so as to be opened and closed and always biased in a closing direction, wherein the front panel is formed above the opening and is engaged with an upper portion of the tray door when the tray door is closed. A tray door stop rib, a plurality of tray door mounting portions that are integrally projected on the back surface of the front panel and rotatably support the tray door, and an elastic member that constantly biases the tray door in the closing direction. The tray door has a long door body, and a back side of the door body along the forward / backward direction of the disc tray. At least three guide ribs projecting from the body, a dent preventing rib integrally projecting along the longitudinal direction at the lower part of the longitudinal central portion of the door body, and projecting integrally from the back side of the door body, A plurality of mounting portions for engaging with a tray door mounting portion formed on the back surface of the front panel, and the guide ribs are formed to have the same height at the top of the tray door, A central guide rib disposed at the center of the plurality of guide ribs, and end guide ribs disposed at both ends of the plurality of guide ribs. The end guide ribs extend upward in the longitudinal direction of the tray door, and the end of the lower surface of the disc tray slides. A tray sliding contact portion, and when the disc tray is stored, the tray door is in contact with a rib for stopping the tray door at the top, and a dent preventing rib provided on the back surface of the tray door When the gap between the front surface of the disc tray is reduced and a load is applied to the tray door, the dent prevention rib contacts the front surface of the disc tray, and the disc tray is a curved portion of the central guide rib of the tray door. After sliding forward smoothly and being supported by all the guide ribs, both end portions of the lower end portion are in sliding contact with the tray sliding contact portion of the end guide rib.

According to this configuration, even when a load is applied from the outside when the tray door is closed,
The dent prevention ribs provided on the back surface of the tray door come into contact with the front surface of the disc tray and suppress the deformation of the tray door. Thereby, it can suppress that the said tray door dents and impairs the designability of an optical disk device.

Further, this prevents the tray door from being deformed, and the lower portion of the tray door does not get over the blindfold rib. That is, it is possible to prevent the generation of frictional noise when the lower portion of the tray door gets over the blindfold rib, and to eliminate the cause of discomfort to the user.

Further, since the central guide rib is provided to contact the disc tray continuously when the disc tray moves forward and is ejected from the optical disc apparatus, it is always in contact even when the tray door is pushed and opened by the disc tray. Thus, the disc tray and the tray door do not come into contact with each other vigorously. As a result, it is possible to prevent a hitting sound from being generated when the disc tray and the tray door come into contact with each other, and it is possible to remove the bad feeling of use by the user.

In the optical disk apparatus having the above-described configuration, the central guide rib may be formed in a smooth curved surface or may be formed in a straight line having a gentle slope. Further, the present invention is not limited to these, and it is possible to widely adopt a shape that allows the disc tray and the back surface of the tray door to contact smoothly and continuously when the disc tray advances.

In addition, the guide rib that can be connected to the dent prevention rib may have the same shape as the central guide rib. By providing a plurality of guide ribs having the same shape as the central guide rib, when the disc tray moves forward, it can stably and smoothly contact the tray door. Further, when the tray door is closed, the dent prevention rib may be in contact with the front surface of the disc tray.

In order to achieve the above object, the present invention provides an optical disc apparatus having a disc tray in which an optical disc is disposed and capable of moving forward and backward, and a front panel having an opening through which the disc tray passes when the optical disc is inserted or ejected. A tray door attached to the opening so as to be openable and closable, urged in a normally closing direction, and opened by being pushed forward by the disk tray, wherein the tray door has a long door shape; and the door Five guide ribs integrally projecting along the longitudinal direction of the disc tray on the back side of the main body, and three horizontal ribs integrally projecting along the longitudinal direction of the door body on the back side of the door main body And a dent prevention rib integrally projecting along the longitudinal direction at the lower part of the longitudinal center of the door body, and projecting integrally on the back side of the door body, A pair of mounting portions for engaging with a tray door mounting portion formed on the back surface of the front panel, and the five guide ribs are formed at the same height at the top of the tray door. Each of the five guide ribs has a central guide rib disposed at the center and end guide ribs disposed at both ends of the guide rib. It has a curved surface shape that connects the height smoothly and continuously, and is connected to the dent prevention rib, the end guide rib extending in the longitudinal direction of the tray door at the top, and the bottom surface of the disc tray It has the tray sliding contact part which the edge part of this touches, It is characterized by the above-mentioned.

According to this configuration, even when a load is applied from the outside when the tray door is closed,
The dent prevention ribs provided on the back surface of the tray door come into contact with the front surface of the disc tray and suppress the deformation of the tray door. Thereby, it can suppress that the said tray door dents and impairs the designability of an optical disk device.

Further, this prevents the tray door from being deformed, and the lower portion of the tray door does not get over the blindfold rib. That is, it is possible to prevent the generation of frictional noise when the lower portion of the tray door gets over the blindfold rib, and to eliminate the cause of discomfort to the user.

Further, since the central guide rib is provided to contact the disc tray continuously when the disc tray moves forward and is ejected from the optical disc apparatus, it is always in contact even when the tray door is pushed and opened by the disc tray. Thus, the disc tray and the tray door do not come into contact with each other vigorously. As a result, it is possible to prevent a hitting sound from being generated when the disc tray and the tray door come into contact with each other, and it is possible to remove the user's feeling of use.

In order to achieve the above object, the present invention provides an optical disc apparatus having a disc tray in which an optical disc is disposed and capable of moving forward and backward, and a front panel having an opening through which the disc tray passes when the optical disc is inserted or ejected. A tray door attached to the opening so as to be openable and closable, urged in a normally closing direction, and opened by being pushed forward by the disk tray, wherein the tray door has a long door shape; and the door At least three guide ribs integrally projecting along the longitudinal direction of the disk tray on the back side of the main body, and a dent prevention rib integrally projecting along the longitudinal direction at the lower part of the longitudinal center of the door body A plurality of protrusions integrally engaged with the back side of the door body and engaged with a tray door mounting portion formed on the back surface of the front panel. The guide ribs are formed to have the same height at the upper part of the tray door, and are arranged side by side, and the central guide ribs and both ends arranged in the center among the plurality of guide ribs The central guide rib has a shape that smoothly and continuously connects the height of the guide rib at the upper portion of the tray door and the height of the dent prevention rib, An end guide rib extends in the longitudinal direction of the tray door at an upper portion thereof, and has a tray sliding contact portion with which an end portion of a lower surface of the disc tray is in sliding contact.

According to this configuration, even when a load is applied from the outside when the tray door is closed,
The dent prevention rib provided on the back surface of the tray door is brought into contact with the front surface of the disc tray and prevents the tray door from being deformed. Thereby, it can suppress that the said tray door dents and impairs the designability of an optical disk device.

Further, this prevents the tray door from being deformed, and the lower portion of the tray door does not get over the blindfold rib. That is, it is possible to prevent the generation of frictional noise when the lower portion of the tray door gets over the blindfold rib, and to eliminate the cause of discomfort to the user.

Further, since the central guide rib is provided to contact the disc tray continuously when the disc tray moves forward and is ejected from the optical disc apparatus, it is always in contact even when the tray door is pushed and opened by the disc tray. Thus, the disc tray and the tray door do not come into contact with each other vigorously. As a result, it is possible to prevent a hitting sound from being generated when the disc tray and the tray door come into contact with each other, and it is possible to remove the bad feeling of use by the user.

In the tray door configured as described above, the central guide rib may be formed in a smooth curved surface, or may be formed in a straight line having a gentle slope. Further, the present invention is not limited to these, and it is possible to widely adopt a shape that allows the disc tray and the back surface of the tray door to contact smoothly and continuously when the disc tray advances.

In addition, the guide rib that can be connected to the dent prevention rib may have the same shape as the central guide rib. Since a plurality of guide ribs having the same shape as the central guide rib are provided, the disc tray can stably and smoothly contact the tray door when the disc tray moves forward. Further, when the tray door is closed, the dent prevention rib may be in contact with the front surface of the disc tray.

According to the present invention, it is possible to provide an optical disc apparatus capable of smoothly operating a disc tray and a tray door when inserting or ejecting the optical disc.

Further, according to the present invention, even when a load is applied to the tray door of the optical disc apparatus, the depression of the tray is suppressed, the occurrence of abnormal noise due to the contact between the tray door and the other and the sliding contact is suppressed, and the user feels uncomfortable. Can provide an optical disc apparatus that does not feel

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a front view of an example of an optical disc apparatus according to the present invention, and FIG. 2 is a side sectional view showing a state in which a tray at the front portion of the optical disc apparatus shown in FIG. The optical disk apparatus shown in FIG. 1 is a DVD player here, although not limited thereto. The DVD player PL shown in FIG. 1 has a front panel 1, an opening 11 for inserting and ejecting DVD media into the front panel 1, and a disc tray 2 that moves forward and backward a and b from the opening 11. And an openable and closable tray door 3 attached to the opening 11. The front panel 1 is provided with a media button 12 for inserting and ejecting DVD media, a power button 13, and a display unit 14 indicating the state of the DVD player PL.

As shown in FIG. 2, the front panel 1 includes an opening 11, and a tray door stop rib 111 that stops the tray door 3 so that the tray door 3 is not overclosed when the tray door 3 is closed above the opening 11.
When the tray door 3 is closed below the opening 11, a blindfold rib 112 is provided to prevent the inside of the DVD player PL from being seen from the outside, and a substantially U-shaped attachment of the tray door 3 to be described later in side view. Tray door mounting portion 1 that is pivotably fitted to the support shaft 36 formed in the portion 32.
5.

FIG. 3 shows a rear view of the tray door, and FIG. 4 shows a side view of the tray door shown in FIG. FIG.
As shown in FIG. 4, the tray door 3 includes a long door body 31 and a back surface 30 of the door body 31.
A substantially U-shaped attachment portion 32 formed in a side view, and a plurality of (three in this case) lateral ribs 33 integrally projectingly spaced in the longitudinal direction of the back surface 30 of the door body 31; A plurality of (here, five) guide ribs 34 integrally projecting at intervals and the front surface of the disc tray 2 when the tray door 3 is closed at a substantially central position in the longitudinal direction of the door body 31 or slightly. It has a dent prevention rib 35 that is disposed with a gap and a support shaft 36 that protrudes integrally with the mounting portion 32. Further, the tray door 3 is urged in the closing direction by an elastic member (here, a spring 37) wound around one support shaft 36.

As shown in FIG. 3, the end guide ribs 341 disposed at the left and right ends of the guide ribs 34 are formed with a T-shaped tray sliding contact portion 340 that comes to the top when the door body 31 is closed. Further, the central guide rib 342 disposed at the center reaches the height of the dent prevention rib 35 and is formed higher than the other guide ribs 34.

As shown in FIG. 4, the central guide rib 342 is connected to the dent prevention rib 35 (lower end 3d) at the same height as the dent prevention rib 35, and the lateral rib 33 of the upper end 3u is the other. The guide ribs 34 are formed so as to have the same height as the guide ribs 34. The center guide rib 342 is formed with a smooth curve from the lower end 3d to the lateral rib 33 of the upper end 3u.

5 and 6 are side sectional views when the disc tray is discharged from the player to the outside.
FIG. 2 shows a state in which, for example, an optical disk is being played back, and the disk tray 2 is in a stored state. Further, the tray door 3 is stopped at the closed position because the horizontal rib 33 of the upper end 3 u is in contact with the tray door stop rib 111 of the front panel 1. The blindfold rib 112 is disposed so as not to contact the tray door 3, and the blindfold rib 112 is disposed to prevent the inside from being seen through the gap between the tray door 3 and the opening 11.

The front surface 21 of the disc tray 2 and the dent prevention rib 35 of the tray door 3 are stopped in a state where a very small gap is opened. In this state, when a load is applied to the central portion in the longitudinal direction of the tray door 3, the horizontal rib 33 of the upper end 3u of the tray door 3 is engaged with the tray door stop rib 111 and stopped. The lower end 3d of the tray door 3 is provided with a dent prevention rib 35 for the disc tray 2.
The tray door 3 is prevented from being deformed by being in contact with the front surface 21. That is, even if a load is applied to the tray door 3 from the front side with the tray door 3 closed, the tray door 3 is not easily dented. When the tray door 3 is in a closed state, the dent prevention rib 35 may be in contact with the front surface 21 of the disc tray 2.

The state of the DVD player PL shown in FIG. 5 is a state in which the disc tray 2 has moved forward and the tray door 3 has been pushed by the disc tray 2 in order to insert or replace the optical disc. The disc tray 2 pushes the dent prevention rib 35 with the front surface 21, and the tray door 3 is supported by the support shaft 36.
Rotate around. At this time, the dent prevention rib 35 moves below the front surface 21 while being in contact with the front surface 21 of the disc tray 2.

When the dent prevention rib 35 reaches the lowermost end portion 210 of the front surface 21 of the disc tray 2, the dent prevention rib 35 is separated from the disc tray 2. The lower end 2 of the front surface 21 of the disc tray 2
10 and the central guide rib 342 are in continuous contact with each other, and the disc tray 2 is moved forward.
The disk tray 2 is in sliding contact with the lower end portion 210 of the front surface 21. When the disc tray 2 gets over the dent prevention rib 35, the sound generated when the tray door 3 hits the disc tray 2 can be prevented.

As the disk tray 2 further advances as shown in FIG. 6, the guide ribs 34 other than the central guide rib 342 slide while contacting the lower end portion 210 of the front surface 21 of the disk tray 2. In this way, when the disc tray 2 moves forward, the central guide rib 3 is smoothly switched from the state in which only the central guide rib 342 is in sliding contact to the state in which all the guide ribs 34 are in sliding contact.
The shape of the side view of 42 should just be a smooth shape.

When the disc tray 2 further advances, the lower surface of the disc tray 2 is formed in a shape that is recessed from the lower surface except that ribs are provided at both ends (not shown), and the ribs at both ends are end guide ribs 341. By sliding in contact with the T-shaped tray sliding contact portion 340, interference between the disc tray 2 and the tray door 3 is prevented.

When the disc tray 2 is stored, it can be stored in the reverse operation.
In the above embodiment, the central guide rib 342 is described as an example of a smoothly curved surface, but may be formed in a straight line with a gentle slope. Moreover, it is not limited to these, The shape which can contact the disk tray 2 and the back surface 30 of the tray door 3 smoothly and continuously when the disk tray 2 advances can be widely employ | adopted.

In the above embodiment, the central guide rib 342 is described as an example. However, the guide rib 34 is not limited to this, and the guide rib 34 formed at a position where it can be connected to the dent prevention rib 35 is as follows. It may have the same shape as the central guide rib 342. By providing a plurality of guide ribs 34 having the same shape as the central guide rib 342, the disc tray 2
Can move stably and continuously with the tray door 3 when the vehicle advances.

In the above embodiment, a DVD player that reproduces DVD media is adopted as the optical disk apparatus, but the present invention is not limited to this, and an optical disk apparatus (for example, CD, LD, etc.) that inserts an optical disk using a tray is used. Can be widely adopted.

The present invention can be applied to an optical disc apparatus capable of inserting a medium using a tray such as a DVD, a CD, or an LD.

1 is a front view of an example of an optical disc apparatus according to the present invention. FIG. 2 is a side sectional view of a state in which a tray on the front surface portion of the optical disc apparatus shown in FIG. 1 is housed. It is a rear view of a tray door. FIG. 4 is a side view of the tray door shown in FIG. 3. FIG. 6 is a side sectional view when the disc tray is ejected from the player. FIG. 6 is a side sectional view when the disc tray is ejected from the player. It is a front view of an example of the conventional optical disk device. It is a sectional side view of the conventional optical disk apparatus.

Explanation of symbols

PL DVD player 1 Front panel 11 Opening portion 111 Tray door stop rib 112 Blindfold rib 12 Media button 13 Power button 14 Display portion 15 Tray door mounting portion 2 Disc tray 21 Front surface 3 Tray door 31 Door body 32 Mounting portion 33 Horizontal rib 34 Guide rib 340 Sliding Contact 341 End guide rib 342 Center guide rib 35 Recess prevention rib 36 Support shaft 37 Elastic member (spring)

Claims (10)

A disc tray that can move back and forth by placing an optical disc, a front panel that has an opening through which the disc tray passes when the optical disc is inserted or ejected, and an opening that can be opened and closed and attached in a direction that is always closed. An optical disc apparatus having a tray door
The front panel is formed on the upper side of the opening, and a tray door stop rib that engages with an upper portion of the tray door when the tray door is in a closed state, a blinding rib formed on the lower side of the opening, and the front panel A pair of tray door mounting portions that are integrally projected on the back surface of the tray door and rotatably support the tray door, and a spring that normally biases the tray door in the closing direction,
The tray door has a long door shape, five guide ribs integrally projecting along the forward / backward direction of the disc tray on the back side of the door main body, and the length of the door main body on the back side of the door main body. Three lateral ribs integrally projecting along the direction, a recess-preventing rib integrally projecting along the longitudinal direction at the lower part of the longitudinal central portion of the door body, and the back side of the door body A pair of mounting portions for projecting and engaging with a tray door mounting portion formed on the back surface of the front panel;
The five guide ribs are formed to have the same height at the upper part of the tray door, and are arranged side by side, and a central guide rib disposed at the center of the five guide ribs and end portions disposed at both ends. It has a guide rib, has a curved shape that smoothly and continuously connects the height of the guide rib at the top of the tray door and the height of the dent prevention rib, and is connected to the dent prevention rib. The end guide rib extends in the longitudinal direction of the tray door at the top, and has a tray sliding contact portion with which the end of the lower surface of the disc tray is in sliding contact.
When the disc tray is stored, the tray door comes into contact with the tray door stop rib at the top, and the gap between the recess prevention rib provided on the back surface of the tray door and the front surface of the disc tray is reduced. When a load is applied to the tray door, the dent prevention rib and the front surface of the disc tray come into contact with each other,
The disc tray moves forward with smooth sliding contact with the curved surface portion of the central guide rib of the tray door, and after being supported by all the guide ribs, both end portions of the bottom surface slide with the tray sliding contact portion of the end guide rib. An optical disk device characterized by contacting. A disc tray that can move back and forth by placing an optical disc, a front panel that has an opening through which the disc tray passes when the optical disc is inserted or ejected, and an opening that can be opened and closed and attached in a direction that is always closed. In an optical disc device having a tray door to be actuated,
The front panel is formed above the opening, and when the tray door is in a closed state, a tray door stop rib that engages with an upper portion of the tray door, and a rear surface of the front panel that is integrally projected to support the tray door so as to be rotatable. A plurality of tray door mounting portions for performing, and an elastic member that constantly urges the tray door in the closing direction,
The tray door has an elongated door body, at least three guide ribs integrally projecting along the back-and-forth direction of the disk tray on the back side of the door body, and a lower portion of the center portion in the longitudinal direction of the door body A recess-preventing rib integrally projecting along the longitudinal direction, and a plurality of mounting portions integrally projecting on the back side of the door body and engaging with a tray door mounting portion formed on the back surface of the front panel. And
The guide ribs are formed so as to have the same height at the upper part of the tray door, and are arranged side by side, and have a center guide rib disposed at the center of the plurality of guide ribs and end guide ribs disposed at both ends. The center guide rib has a shape that smoothly and continuously connects the height of the guide rib at the top of the tray door and the height of the dent prevention rib, and the end guide rib is formed at the top of the tray door. Extending in the longitudinal direction and having a tray sliding contact portion with which an end of the lower surface of the disk tray is slidably contacted,
When the disc tray is stored, the tray door comes into contact with the tray door stop rib at the top, and the gap between the recess prevention rib provided on the back surface of the tray door and the front surface of the disc tray is reduced. When a load is applied to the tray door, the dent prevention rib and the front surface of the disc tray come into contact with each other,
The disc tray moves forward with smooth sliding contact with the curved surface portion of the central guide rib of the tray door, and after being supported by all the guide ribs, both end portions of the bottom surface slide with the tray sliding contact portion of the end guide rib. An optical disk device characterized by contacting. The optical disc apparatus according to claim 2, wherein the central guide rib is formed in a smooth curved surface. 3. The optical disc apparatus according to claim 2, wherein the central guide rib is formed in a straight line having a gentle inclination. 5. The optical disc apparatus according to claim 2, wherein the guide rib that can be connected to the dent prevention rib has the same shape as the central guide rib. 6. Attached to an optical disc apparatus having a disc tray in which an optical disc is disposed and capable of moving back and forth, and a front panel having an opening through which the disc tray penetrates when the optical disc is inserted or ejected. A tray door that is normally biased in the closing direction and is pushed by the advancement of the disc tray,
The tray door has a long door shape, five guide ribs integrally projecting along the forward / backward direction of the disc tray on the back side of the door main body, and the length of the door main body on the back side of the door main body. Three lateral ribs integrally projecting along the direction, a recess-preventing rib integrally projecting along the longitudinal direction at the lower part of the longitudinal central portion of the door body, and the back side of the door body A pair of mounting portions for projecting and engaging with a tray door mounting portion formed on the back surface of the front panel;
The five guide ribs are formed to have the same height at the upper part of the tray door, and are arranged side by side, and a central guide rib disposed at the center of the five guide ribs and end portions disposed at both ends. It has a guide rib, has a curved shape that smoothly and continuously connects the height of the guide rib at the top of the tray door and the height of the dent prevention rib, and is connected to the dent prevention rib. The tray door has a tray sliding contact portion that extends in a longitudinal direction of the tray door at an upper portion thereof and has a tray sliding contact portion with which an end portion of a lower surface of the disk tray is slidably contacted. Attached to an optical disc apparatus having a disc tray in which an optical disc is disposed and capable of moving back and forth, and a front panel having an opening through which the disc tray penetrates when the optical disc is inserted or ejected. A tray door that is normally biased in the closing direction and is pushed by the advancement of the disc tray,
The tray door has an elongated door body, at least three guide ribs integrally projecting along the back-and-forth direction of the disk tray on the back side of the door body, and a lower portion of the center portion in the longitudinal direction of the door body A recess-preventing rib integrally projecting along the longitudinal direction, and a plurality of mounting portions integrally projecting on the back side of the door body and engaging with a tray door mounting portion formed on the back surface of the front panel. And
The guide ribs are formed so as to have the same height at the upper part of the tray door, and are arranged side by side, and have a center guide rib disposed at the center of the plurality of guide ribs and end guide ribs disposed at both ends. The center guide rib has a shape that smoothly and continuously connects the height of the guide rib at the top of the tray door and the height of the dent prevention rib, and the end guide rib is formed at the top of the tray door. A tray door having a tray sliding contact portion extending in a longitudinal direction and in which an end portion of a lower surface of the disk tray is in sliding contact. The tray door according to claim 7, wherein the central guide rib is formed in a smooth curved surface. The tray door according to claim 7, wherein the central guide rib is formed in a straight line having a gentle inclination. The tray door according to any one of claims 7 to 8, wherein the guide rib that can be connected to the dent prevention rib has the same shape as the central guide rib.

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