JP2007042160A - Reproducing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a reproducing apparatus in which an opening part for a tray for placing is closed surely by a cover when the tray for placing is housed in an apparatus main body. <P>SOLUTION: The apparatus has a tray for placing a disk type recoding carrier which can record and reproduce information, a recording and reproducing means for holding the disk type recording carrier and recording and reproducing information, and a cover means which is guided in the direction being almost parallel to the opening part near the opening part of an apparatus main body in which the tray is inserted through so as to slide and move freely to close the opening part. The cover means is provided with a cover in which dimension of the direction being almost parallel to the opening part is larger than the opening part, a guide member held to the apparatus main body at both side planes of the cover, guiding the cover in the direction being almost parallel to the opening part, and deciding a movement path of the cover, a rotation member positioned closer to the recording and reproducing means side than the cover and having an engaging pin in which one end part is rotated freely and the other end part is engaged to a switching guiding part of the back of the cover, and an energizing means energizing the cover to a direction closing the opening part. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  According to the present invention, a disc-shaped record carrier mounting tray that slides between a position protruding outside the apparatus through an opening formed in the apparatus main body and a position where recording and reproduction can be performed in the apparatus main body performs recording and reproduction. The present invention relates to a reproducing apparatus such as an optical disk provided with a lid that closes the opening when moved to a position, and particularly to an improvement in the closing action of the lid.

  A disc-shaped record carrier mounting tray that slides between a position protruding outside the apparatus through an opening formed in the apparatus main body and a position where recording and reproduction can be performed within the apparatus main body, and for closing the opening As shown in FIG. 4, as a disk-shaped record carrier recording / reproducing apparatus provided with a lid, the lid 27 is in the vicinity of an opening 22a formed in the apparatus main body 21 provided with reproducing means including a turntable and a pickup. Is known to be held in a freely rotatable manner (for example, see Patent Document 1). In such a record carrier reproducing apparatus, the lid 27 is configured to obtain the closed state of the opening 22a by an urging force such as a spring, and the record carrier mounting portion 24 protrudes from the reproducing position 24a of the apparatus main body. When moving to the position 24b, the lid 27 has released the closed state of the opening 22a against the urging force of the spring or the like by the pressing force due to the protrusion of the mounting portion.

In a reproducing apparatus for a disc-shaped record carrier (hereinafter referred to as an optical disk hereinafter) such as an optical disk having such a structure, the main body of the apparatus is designed so that the space containing the reproducing means is not affected by dust or the like when performing reproduction. It is desirable that the inside and outside of the door be shut off. Further, in order to prevent wind noise caused by high-speed rotation of the disc during performance of the disc from leaking to the outside through the opening, it is necessary that the opening can be reliably closed by the lid.
Japanese Utility Model Publication No. 61-136364

  However, in the structure of the conventional lid that rotates and closes, the opening is not completely closed in the vicinity of the rotation shaft portion of the lid, and a slight gap is generated, and dust adheres to the vicinity of the opening. Then, there is a problem that the lid does not reliably close the opening, and dust or the like enters the inside or wind noise leaks to the outside.

  The present invention has been made in view of the above circumstances, and when the mounting tray is housed in the apparatus main body, the opening for the mounting tray is reliably closed by the lid. An object is to provide a playback device.

In order to solve the above-described conventional problems, the disc-shaped record carrier recording / reproducing apparatus of the present invention is guided to be slidable in a direction substantially parallel to the opening in the vicinity of the opening of the apparatus main body through which the mounting tray is inserted. And has lid means capable of closing the opening,
The lid means includes a lid body whose dimension in a direction substantially parallel to the opening is larger than the opening, and is held by the apparatus main body on both side surfaces of the lid, and the lid is substantially parallel to the opening. A guide member that guides in any direction to determine the movement path of the lid, and is positioned closer to the recording / reproducing means than the lid, with one end pivotable and the other end switched to the back of the lid It has a structure provided with the rotation member which has an engaging pin engaged with a guide part, and the urging means which urges | biases the said cover body in the direction which obstruct | occludes the said opening part. With this configuration, the lid can be engaged with the guide member and slid substantially parallel to the opening to close the opening. Therefore, even if dust adheres to the vicinity of the opening, the opening is pushed out. A reproducing apparatus capable of reliably closing the part is provided.

  In the reproducing apparatus according to the first aspect of the present invention, the lid body can be engaged with the parallel guide member and slidably moved substantially parallel to the opening portion to close the opening portion. . For this reason, even if dust adheres to the vicinity of the opening, there is an advantage that the opening can be reliably closed while pushing it out.

  Further, in the playback device according to claim 2 of the present invention, a concave portion is formed in at least the left and right sides and the upper side surface portion of either the lid or the opening in a direction parallel to the moving direction of the lid. The opening or the lid is provided with a convex portion that engages with the concave portion, and the lid and the lid are provided with lid means having the feature that the concave portion and the convex portion engage with each other. The present invention relates to a reproducing apparatus, and has an effect of more reliably closing the opening.

  According to a third aspect of the present invention, there is provided a reproducing apparatus in which a contact portion protruding to the surface side is formed at the lower end portion of the lid, and a contact surface is formed on the inner surface of the apparatus main body facing the contact portion. The present invention relates to a playback device including a lid means characterized in that the contact portion and the contact surface come into contact with each other via an elastic member provided on either the contact portion or the contact surface. It has the effect of alleviating the contact sound when the body is closed and the action of more reliably closing the opening.

  According to a fourth aspect of the present invention, the urging means is formed so as to apply a rotational force and a lateral pressure in a direction parallel to the pivot shaft to the pivot member, and the pivot member serves as a guide member. Since the rotating member is pressed by one side and positioning in the left-right direction is performed with high accuracy, the lid that engages with the rotating member is slid while accurately positioning in the left-right direction. It has the effect | action of moving and obstruct | occluding an opening part.

  According to a fifth aspect of the present invention, there is provided a reproducing apparatus in which the guide member is formed with a support portion that rotatably supports the rotating member, and the lid means is integrated. Therefore, it can be easily assembled into the apparatus main body.

  According to a sixth aspect of the present invention, there is provided a reproducing apparatus including a lid formed larger than the opening, and has an effect of reliably closing the opening.

  Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1)
FIG. 1 is a schematic perspective view of the recording / reproducing apparatus of the present invention, FIG. 2 is a perspective view of the configuration of the lid means, and FIGS. 3A and 3B are sectional views for explaining the operation of the lid means. In the figure, reference numeral 1 denotes an apparatus body having a recording / reproducing means 3 therein. The recording / reproducing means 2 is a turntable (not shown) for rotating an optical disk (not shown), and a spindle motor (not shown) for rotating the turntable. ), A pickup (not shown) for irradiating the optical disk with a light beam is provided, and in addition to a reproduction function for reading a signal from a recording medium and reproducing it, an input signal from the outside is received to write a record on the recording medium A recording function is provided. Further, a tray guide part (not shown) for guiding the movement of the tray 4 on which the optical disk is placed and slid is provided inside the apparatus main body 1, and the tray 4 is guided by the tray guide part so that the length of the tray 4 is long. Can slide in the direction.

  Reference numeral 2 denotes a front panel which is a front portion of the apparatus main body 1, and is provided with a rectangular opening 2 a extending in the left-right direction so that the tray 4 can be projected and stored with respect to the apparatus main body 1. Further, an operation button group 5 and a display panel 6 for operating the apparatus are provided at the front.

7 is a rectangular plate-like lid that closes the opening 2a, and the left and right side portions are provided with two protruding engagement pins 7a and 7b in the direction substantially parallel to the movement direction of the lid, respectively. A pair of left and right switching guide grooves 7c in the front-rear direction are provided inward on the back surface. Further, an engaging convex portion 7d is provided that protrudes in a direction substantially parallel to the moving direction of the lid that continues from the left and right and upper end portions. This engaging convex part 7d can be engaged with an engaging concave part 2b provided in the opening of the front panel 2, and is formed larger than the opening 2a.
Reference numeral 7e denotes an abutting portion formed at the lower part of the lid body 7 so as to protrude in the lateral direction longer than the opening 2a. An elastic member 8 such as rubber extending in the lateral direction is provided on the lid body. The abutting surface 2c of the front panel formed substantially parallel to the abutting portion can abut against the elastic member 8.

Reference numerals 9 and 10 denote a pair of guide members provided on both left and right end surfaces of the opening 2a of the front panel, which are formed to extend in the moving direction of the lid 7 on the inside of the opening. , 6b are inserted, and shaft portions 11a, 11b of the rotating member 11 are inserted and bearing portions 9b, 10b are rotatably held.
The shaft portions 11a and 11b of the rotating member 11 are disposed below the lower surface of the tray 4, and extend upward from the vicinity of the shaft portion to be provided with the contact surface 11e of the tray 4. Similarly to the shaft portions 11a and 11b, switching guide pins 11c and 11d projecting to the left and right side surfaces are provided at the other end portion of the side surface, and are configured to engage with the switching guide groove 7c of the lid. Since the tips of the switching bristle guide pins 11c and 11d and the inner surface of the lid 7 are formed so as to be combined with a slight gap, the lid 7 is accurately positioned in the left-right direction with respect to the rotating member 11. Has been made. The shaft portion 11a is provided with a length into which a winding spring (described later) is inserted, and an abutting convex portion that abuts on the guide member 10 by the biasing force of the spring is formed inside the shaft portion 11b. . Reference numeral 12 denotes a winding spring 12 which is an urging means having both ends protruding in a tangential direction and capable of being compressed in the axial direction, between the shaft portion 11a of the rotating member 11 and the guide member 9. One end is locked to the guide member 10 and the other end is locked to the rotating member 11 while being axially compressed and inserted and wound up. Since the winding spring 12 is inserted between the rotating member 11 and the guide member 9 in a compressed state, the rotating member 11 is biased in the direction of the shaft 11b, and the abutting convex portion 11f is brought into contact with the guide member 10. The position in the left-right direction is accurately determined. Further, the spring 12 is configured so that the rotating member 11 is urged to rotate in the direction from the bottom to the top with the shaft portion as a fulcrum, and the lid 7 is urged by the urging force of the spring. It is possible to slide in the direction of closing the opening 2a.

  The operation of the recording / reproducing apparatus of the present embodiment configured as described above will be described with reference to FIG. 3A and 3B, in the recording / reproducing state (even if no disc is placed), that is, in a state where the tray 4 is housed inside the apparatus main body, the user operates the operating means (not shown). When the tray is instructed to be carried out, the tray driving means (not shown) is activated to start the tray 4 discharging operation. When the front end of the tray 4 comes into contact with the contact surface 11e of the rotating member 11, the tray is driven. The driving force of the means continues to press the contact surface 11e against the biasing force of the winding spring 12, and the rotating member 11 is rotated forward and downward with the shaft portions 11a and 11b as fulcrums and provided at the tip portion. The switching guide pins 11c and 11d are also rotated forward and downward. By this rotation, the lid body 7 engaged with the switching guide pin is moved downward from the closed position along the guide grooves of the guide members 9 and 10. Subsequently, the tray 4 is unloaded and the record carrier can be taken out.

  When the tray 4 is fully opened and ejected as described above, the user places the optical disk on the tray 4 and instructs the closure of the tray 4 by the operating means. The tray driving means operates in the reverse direction to the previous one. The operations shown in FIG. 3B to FIG. Thereby, from the state where the optical disk 100 as shown in FIG. 3A is placed on the tray 4, it is possible to record and reproduce information by being locked by the recording and reproducing means including the turntable 3a. As described above, according to the present embodiment, the guide member that is movably guided in the direction substantially parallel to the opening, and the protrusion that protrudes in the direction substantially parallel to the moving direction of the lid continuous from the left and right and the upper end. Since the mating projection 7d is provided on the lid, and the engagement projection 7d is slidably engaged with the engagement recess 2b provided in the opening of the front panel 2, the opening can be more reliably secured. Therefore, it is possible to propose a recording / reproducing apparatus that is capable of being closed and is excellent in dustproof and soundproofing effects.

  In the reproducing apparatus according to the present invention, the lid body engages with the parallel guide member and slides substantially parallel to the opening portion to close the opening portion, thereby preventing dust from adhering to the vicinity of the opening portion. Since the opening can be reliably closed while being pushed out, it is useful for applications such as a high-density optical disk reproducing apparatus and recording / reproducing apparatus such as a DVD recorder incorporating a high-precision recording / reproducing means inside the apparatus.

1 is a schematic configuration perspective view of a recording / reproducing apparatus in Embodiment 1 of the present invention. Configuration perspective view of lid means in Embodiment 1 of the present invention (A) Explanatory diagram of operation (tray storage) of lid means in embodiment 1 of the present invention (b) Explanatory diagram of operation (tray discharge) of lid means in embodiment 1 of the present invention Explanatory drawing which showed the implementation method of the conventional recording / reproducing apparatus

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Apparatus main body 2 Front panel 2a Opening part 2b Engagement recessed part 2c Contact surface 3 Recording / reproducing means 3a Turntable 4 Tray 7 Lid 7a, 7b Engagement pin 7c Switching guide groove 7d Engagement recessed part 7e Contact part 8 Elastic member 9, 10 Guide member 9a, 10a Guide groove 9b, 10b Bearing part 11 Rotating member 11a, 11b Shaft part 11c, 11d Switching guide pin 11e Tray contact surface 11f Contact convex part 12 Winding spring

Claims (6)

A tray that moves to place and store a carrier capable of reproducing information through the opening, a reproducing unit that reproduces information, and a lid unit that can close the opening;
The lid means includes a lid formed in the opening, a guide member that is held by the apparatus main body on both sides of the lid, and guides the lid so as to be movable in the vertical direction of the opening; A rotating member having an engaging pin that is located closer to the reproducing means than the lid and has one end pivotable and the other end engaged with a switching guide provided on the back surface of the lid; And a biasing means for biasing the lid in a direction to close the opening. An engagement recess is formed on the outer periphery of the lid over at least one of the left and right sides and the upper side surface of the lid or the opening. The engagement protrusion engages with the engagement recess in the lid or the opening. The reproducing apparatus according to claim 1, wherein a portion is formed. An abutting portion that protrudes to the surface side of the lid body is formed at a lower end portion of the lid body, an abutting surface is formed on the inner surface of the apparatus main body facing the abutting portion, and the abutting portion or the abutting surface The reproducing apparatus according to claim 1, wherein an elastic member is provided on the reproducing apparatus. The reproducing apparatus according to claim 1, wherein the urging unit is formed so as to apply a rotational force and a lateral pressure parallel to the rotation support shaft to the rotation member. The reproducing apparatus according to any one of claims 1 to 4, wherein a supporting portion that rotatably supports the rotating member is formed on the guide member. The reproducing apparatus according to claim 1, wherein the lid is formed larger than the opening.

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