JPH0586185U - Disc player disc player - Google Patents

Abstract

(57) [Abstract] [Purpose] In a disc feeding device, to prevent dust and dirt attached to the feeding and discharging roller from being transferred to the disc. In a disc feeding device of a disc player, a cleaning member 21 having an electrostatic brush 21a comes into contact with the feeding / discharging roller 1 in a state where the feeding / discharging roller 1 is separated from the disc D. By rotating the sending and discharging roller 1 in this contact state, dust and the like adhering to the sending and discharging roller 1 are removed. Further, the cleaning member 22 having the electrostatic brush 22a is always in contact with the pinch roller 2, and by the driven rotation of the pinch roller 2, dust and the like adhering to the pinch roller 2 are adsorbed by the electrostatic brush 22a and removed. .

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a disc player such as a vehicle-mounted CD player, and more particularly to a disc feeding device of a disc player capable of cleaning a feeding / discharging roller for feeding a disc.

[0002]

[Prior Art]

 For example, in an on-vehicle CD player or the like, a feeding / discharging roller is provided in the player, and the disc inserted from the insertion port is clamped by a pair of feeding / discharging rollers, or is clamped by the feeding / discharging roller and a clamping member such as a shoe. , And is fed to the disc drive section in the player by the rotation of at least one of the feeding / discharging rollers. The disc that has been reproduced is ejected toward the insertion port by the feeding and ejecting roller and / or the sandwiching member. Furthermore, even in a disc changer that selects and plays multiple discs, the discs selected from within the disc magazine are sent to the disc drive unit by the feeding / discharging rollers, and the discs that have been played back are disc drive units. Returned to the magazine.

[0003]

[Problems to be solved by the device]

 In this type of disc player, it is necessary to prevent dust and dirt from accumulating on the objective lens of the optical pickup, and it is preferable that dust and dirt do not adhere to the recording surface side of the disc. Also, if dust or dirt adheres to the surface of the disc opposite to the recording surface, when the disc is rotated by the turntable, dust will be scattered inside the player and adhere to the objective lens. It will be easier to do. The cause of dust and dirt adhering to the disc is not only when it adheres outside the player, but when dust and dirt inside the player adheres to the feed / eject roller and this feed / eject roller hits the disc. , It may be transferred to the disc from the feeding and discharging roller.

The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide a disc feeding device for a disc player, which removes dust and debris adhering to a feeding / discharging roller so as not to be transferred to a disc. It is what

[0005]

[Means for Solving the Problems]

 The present invention relates to a disc feeding device of a disc player, which is provided with a feeding / discharging roller that feeds or discharges the disc to / from a disc driving unit, in contact with the feeding / discharging roller to clean the feeding / discharging roller. A cleaning member is provided for this purpose.

Further, when the feed / ejection roller driven to rotate contacts the cleaning member at a position separated from the disc, the feed / ejection roller is forcibly driven to feed / ejection roller. Will be cleaned.

[0007]

[Action]

 In the above means, the cleaning member cleans the feeding / ejecting roller that feeds or ejects the disc by hitting the disc. Therefore, it is possible to prevent dust and dirt from being transferred from the sending / discharging roller to the disk when the sending / discharging roller contacts the disk.

Further, when the cleaning member comes into contact with the feeding / discharging roller rotated by the motor, the feeding / discharging roller is forcibly rotated while the feeding / discharging roller is in contact with the cleaning member. Are cleaned by the cleaning member.

[0009]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic side view showing the configuration of a disc feeding device in an in-vehicle CD player according to one embodiment of the present invention, and FIG. 2 is a state in which the feeding / discharging roller is separated from the lower face of the disc. FIG. In the disc feeding device of the disc player shown in FIG. 1, reference numeral 1 is a feeding / ejecting roller, and the disc D is nipped by the feeding / ejecting roller 1 and the pinch roller 2, and the turntable T (see FIG. 2) is held. The disc D is sent to the disc drive section that it has, and the disc that has been reproduced is ejected from the disc drive section to the insertion slot.

In the embodiment shown in FIG. 1, a driven gear 4 is fixed to the end of the roller shaft 3 to which the feeding / discharging roller 1 is fixed. The roller shaft 3 is supported by the tip of the roller bracket 5. The roller bracket 5 is rotatably supported about a shaft 6. A drive gear 9 driven by a motor is supported on the shaft 6, and an intermediate gear 7 and an intermediate drive gear 8 integral with the intermediate gear 7 are rotatably supported on the roller bracket 5. The power of a motor (not shown) is transmitted from the drive gear 9 to the intermediate gear 7 and the intermediate drive gear 8 and from the intermediate drive gear 8 to the driven gear 4, so that the feeding / discharging roller 1 rotates clockwise and counterclockwise. Driven. Further, a drive lever 11 that is driven to rotate about a shaft 12 is provided, and the tip of the drive lever 11 is engaged with the roller shaft 3.

As shown in FIG. 1, when the disc D is fed into the disc drive unit and when the disc is ejected from the disc drive unit, the feed / ejection roller 1 is raised to a position where the disc D is held, and the drive lever 11 is moved. The feeding / discharging roller 1 is pressed against the disk D by the elastic force of the biasing spring 13. When the disk D is being reproduced by the disk drive section, the drive lever 11 causes the feeding / discharging roller 1 to separate from the disk D and descend to the position shown by the chain line. At the position where the feeding / discharging roller 1 separates from the disk D and descends, a cleaning member 21 that comes into contact with the feeding / discharging roller 1 is provided. The cleaning member 21 has an electrostatic brush 21a and can rotate with a predetermined load.

When the feeding / discharging roller 1 is driven to the upper position in the drawing and the disc D is held between the feeding / discharging roller 1 and the pinch roller 2, the disc D is driven by the disc D. It is sent to the turntable T of the drive unit. When the disk D is clamped on the turntable T by the clamper 23 shown in FIG. 2, the drive lever 11 causes the feed / eject roller 1 to be lowered, and the feed / eject roller 1 is attached to the electrostatic brush 21a of the cleaning member 21. Contact.

At this time, if the feeding / discharging roller 1 is forcibly driven to rotate by the power of the motor, the cleaning member 21 rotates under a predetermined load following the rotation of the feeding / discharging roller 1, and the feeding / discharging roller 1 is fed. The roller 1 is cleaned, and dust and dirt adhering to the roller are adsorbed by the electrostatic brush 21a. Therefore, when the feeding / discharging roller 1 next contacts the recording-side surface (lower surface) of the disc D to insert or eject the disc D, dust and dirt are not transferred from the feeding / discharging roller 1 to the disc D.

Further, a cleaning member 22 having an electrostatic brush 22a can be similarly provided above the pinch roller 2 facing the feeding / discharging roller 1. The pinch roller 2 does not move vertically from that position, and the cleaning member 22 is always in contact with the pinch roller 2. When the disc D is transferred by the feeding / discharging roller 1, the pinch roller 2 rotates following it, and this rotational force causes the pinch roller 2 and the cleaning member 22 to rotate in contact with each other, and the pinch roller 2 The electrostatic brush 22a of the cleaning member 22 always adsorbs dust and dirt adhering to the.

The cleaning member 22 is rotationally driven by the power of the motor, and when the disk D is separated from the pinch roller 2 and clamped on the turntable T, the cleaning member 22 is rotationally driven, and the cleaning member 22 is rotated. The pinch roller 2 may be cleaned by rotating the pinch roller 2 in a state of being in contact with the pinch roller 2.

In the above embodiment, the lower feeding / discharging roller 1 is driven and the upper pinch roller 2 is driven, but the upper pinch roller 2 is driven by the motor, and the lower feeding / discharging roller is driven. The roller 1 may be a driven roller. In this case, the upper pinch roller 2 is always in contact with the cleaning member 22 and is cleaned while the disc D 1 is being fed. Alternatively, when the disk D is separated from the upper pinch roller 2, the upper pinch roller 2 may be forcibly rotated for cleaning. Further, since the lower feeding / discharging roller 1 is not driven by the motor, the cleaning member 21 may be driven by the motor when the feeding / discharging roller 1 descends and comes into contact with the cleaning member 21.

When the lower feeding / discharging roller 1 is driven by a motor, as shown in FIG. 3, a cleaning member having an electrostatic brush 24a along the turning movement locus of the feeding / discharging roller 1. 24 may be provided. In this case, when the feeding / discharging roller 1 is rotated by a motor and moves up and down, the feeding / discharging roller 1 is rotated while being contacted with the electrostatic brush 24a to be cleaned. 1 and 3, the cleaning members 21, 24 and 22 corresponding to the upper and lower rollers 1 and 2 are provided on both sides, but they may be provided on only one side. In this case, it is preferable to provide only the cleaning member 21 or 24 that contacts the lower feeding / discharging roller 1 facing the recording surface of the disc D.

FIG. 4 and FIG. 5 are schematic cross-sectional views for explaining the configuration and operation of the disc feeding device in the on-vehicle CD player according to another embodiment of the present invention. In the CD player shown in FIGS. 4 and 5, a magazine M containing several (three in this embodiment) discs D is mounted in the mounting unit 31. Inside the player housing 32, one of these several disks D is selected, exchanged, and reproduced. The mounting unit 31 is provided with a feeding / discharging roller 33 that is driven to rotate by a motor, and a selection driving mechanism (not shown) for moving the feeding / discharging roller 33 up and down to select the disc in the magazine M is provided. It is installed.

A pinch roller 34 supported by a lever 34 a is provided at the bottom of the housing 32. As shown in FIG. 4, when the disc D is fed, the pinch roller 34 is nipped by the feeding / discharging roller 33 by the urging force of the spring 34b. When the disc D is held between the turntable T and the clamper 37, the lever 34a is rotated and the feeding / discharging roller 33 is lowered to a position away from the disc D.

In this player, as shown in FIG. 4, when the magazine M and the mounting unit 31 are moving to the left in the drawing, the feeding / discharging roller 33 moves up and down, and the disc D in the magazine M is moved. The selected disc D is pushed out from the magazine M, sandwiched by the feed / eject roller 33 and the pinch roller 34, fed in the direction of the turntable T, and the disc D which has been reproduced is turned. It is returned from the table T into the magazine M. When the disc D is sandwiched between the turntable T and the clamper 37 and is being reproduced, the magazine M and the mounting unit 31 are stored above the clamper 37 as shown in FIG.

A cleaning member 38 having an electrostatic brush is provided on the upper surface of the clamp lever 36 supporting the clamper 37. As shown in FIG. 5, when the mounting unit 31 moves to the right in the figure, the feeding / discharging roller 33 is lowered to the position where it contacts the electrostatic brush, and the feeding / discharging roller 33 is rotated by the power of the motor. The feeding / discharging roller 33 is cleaned. Further, when the lower pinch roller 34 descends, the cleaning member 39 also having an electrostatic brush comes into contact with it. Since the pinch roller 34 is not rotationally driven, the pinch roller 34 is cleaned by rotating the cleaning member 39 with a motor.

In each of the above embodiments, the cleaning member has an electrostatic brush. However, for example, a cleaning roller having an adhesive layer having a weak adhesive force is provided on the surface of the roller, and a feeding / discharging roller or a pinch roller is provided. By contacting the cleaning roller with the cleaning roller and rotating the cleaning roller, dust and dirt of these rollers may be adhered to the adhesive layer and removed. Alternatively, instead of the electrostatic brush, a cleaning member using a sponge or the like may be used. Furthermore, the present invention can be implemented in a disc changer equipped with a magazine M containing 6 to 9 discs.

[0023]

[Effect of the device]

 As described above, according to the present invention, since dust and dirt attached to the feeding / discharging roller can be removed, dust and dirt do not attach to the objective lens of the disc and the pickup.

[Brief description of drawings]

FIG. 1 is a schematic side view showing a configuration of a disc feeding device in a vehicle-mounted CD player according to an embodiment of the present invention.

FIG. 2 is a view in the direction of arrow A in FIG. 1 showing a state in which the feeding / discharging roller is separated from the lower surface of the disc.

FIG. 3 is a side view of a schematic configuration showing a modification of the embodiment shown in FIG. 1 of the present invention.

FIG. 4 is a schematic cross-sectional view for explaining the configuration and operation of a disc feeding device in a vehicle-mounted CD player according to another embodiment of the present invention.

FIG. 5 is a schematic cross-sectional view for explaining the configuration and operation of a disc feeding device in a vehicle-mounted CD player according to another embodiment of the present invention.

[Explanation of symbols]

 1, 33 Feed / discharge roller 2, 34 Pinch roller 3 Roller shaft 4 Driven gear 5 Roller bracket 6 Shaft 7 Intermediate gear 8 Intermediate drive gear 9 Drive gear 11 Drive lever 21, 22, 24, 38, 39 Cleaning member D disk

Claims (2)

[Scope of utility model registration request] 1. In a disc feeding device of a disc player, which is provided with a feeding / discharging roller for feeding the disc into or out of the disc driving portion, the disc feeding device being in contact with the feeding / discharging roller. A disc feeding device for a disc player, comprising a cleaning member for cleaning. 2. A cleaning member that comes into contact with the feed and discharge roller is provided at a position where the feed and discharge roller that is driven to rotate is separated from the disc, and the feed and discharge roller is cleaned by forcibly driving the feed and discharge roller. The disc feeding device of the disc player according to claim 1.