JPH11144445A - Disk recording and playback device - Google Patents

Abstract

(57) [Problem] To prevent an opening / closing lid that opens and closes a disk mounting portion on which a disk-shaped recording medium is mounted from opening and closing in a predetermined posture. SOLUTION: A disk mounting portion provided on the device main body 12 and to which the optical disk 40 is removably mounted, an optical pickup device for reproducing information recorded on the optical disk 40 mounted on the disk mounting portion, An opening / closing lid 22 which is attached to the apparatus main body 12 so as to be openable and closable so as to cover the disc mounting portion; and a locking mechanism that locks the opening / closing lid 22 in a closed state and applies a pressing force to sink the opening / closing lid 22 to lock. A lid lock device 26 to be released;
A rotation regulating mechanism 30 that is moved by a change in the posture of the device main body 12 and selectively restricts the sinking of the open / close lid 22 according to the change in the posture.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to recording (writing) and / or writing information using an optical disk such as a CD (compact disk) or a CD-ROM (read only memory) or a disk-shaped recording medium such as a magneto-optical disk. The present invention relates to a disk recording / reproducing apparatus that performs reproduction (reading), and in particular, can be used when the apparatus main body is placed horizontally or vertically, and when the disc-shaped recording medium is in a predetermined posture, for example, vertically. The present invention relates to a disk recording / reproducing apparatus in which an opening / closing lid for opening / closing a disk mounting portion to be mounted is not opened.

[0002]

2. Description of the Related Art Conventionally, as a disk recording / reproducing apparatus for recording and / or reproducing information by using an optical disk such as a CD or a CD-ROM as a disk-shaped recording medium, for example, as shown in FIG. Equipment is known. This electronic device has a function of receiving a radio broadcast such as AM and FM, and can reproduce information by using a CD in which predetermined information regarding music and the like is recorded in advance as an information recording medium. This is what is called a radio cassette coder with a CD.

[0003] This radio cassette coder 1 with a CD
An apparatus main body 2 formed to be long in the lateral direction is provided, and a disc on which an optical disc (CD) 3 in which predetermined information such as a tone signal is recorded in advance is mounted in the center of the upper surface of the apparatus main body 2. A mounting section 4 is provided. The optical disk 3 is mounted on the disk mounting section 4, and the optical disk 3 is rotated at a predetermined speed by a disk driving device.
By moving the optical pickup device attached to the disk drive device from the inside to the outside in the radial direction along the information recording surface of the optical disk 3, a tone signal or the like recorded on the information recording surface is read out and a predetermined music is read. Etc. can be reproduced.

[0004] The disc mounting portion 4 is made openable and closable by an opening / closing lid 5, and the opening / closing lid 5 is rotatably supported at the rear end by the hinge on the apparatus main body 2. The opening / closing lid 5 is normally urged to the open side by the spring force of a spring (not shown) to open the disc mounting section 4. A locking claw 6 is provided on the inner surface of the opening / closing lid 5, and a lid locking device 7 capable of engaging with the locking claw 6 is attached to the device main body 2. The lid lock device 7 is composed of a mechanically configured push-push type opening / closing mechanism. The locking claw 6 is locked by the first push of the opening / closing lid 5, and the locking claw 6 is locked by the second push. Is released.

At the center of the front of the main body 2, a cassette insertion slot 8a into which a cassette tape is removably inserted.
And an operation unit 8b having a large number of operation switches and a display panel for performing operations such as playing a cassette tape or an optical disk and listening to a radio broadcast. A pair of left and right speakers 9, 9 are arranged on both sides of the cassette insertion slot 8a and the operation section 8b, so that music reproduced by both speakers 9, 9 can be enjoyed in stereo sound. Further, the device body 2
A transfer handle 10 for carrying the radio cassette coder 1 with a CD is attached to the upper surface of the cassette. The transport handle 10 is configured to be tiltable by about 90 degrees from the upper side to the rear side, and is considered not to be obstructed by pushing down the rear side except during transport.

[0006]

However, in the above-described radio cassette coder with CD 1 as a conventional disk recording / reproducing apparatus as described above, the left and right speakers 9 and 9 respectively have the vibrating body directed forward. The loudspeakers 9 are attached to the device main body 2 so that the directivities of the speakers 9 are directed to the front. Besides, normal CD
As shown in FIG. 11, the attached radio cassette coder 1 is made on the assumption that the device main body 2 is used in a horizontal position, and it is considered that the device main body 2 is used in a vertical position. There was no radio cassette coder with CD that could be installed vertically and horizontally.

On the other hand, the applicant of the present invention uses such a horizontally mounted radio cassette coder with a CD in a vertical position and uses the speaker with the speaker facing upward, whereby the directivity of the speaker is improved and the sound spreads. Was found to grow. In consideration of such a radio cassette coder with a CD that can be used not only in a horizontal position but also in a vertical position by changing its posture by 90 degrees, it can be used in any direction. Since the opening and closing operation of the opening / closing lid 5 is possible, if the opening / closing lid 5 is erroneously pressed (pushed) when used vertically, the lock by the lid locking device is released and the opening / closing lid 5 is opened, and the disc is opened. There is a problem that the optical disk 3 mounted on the mounting portion 4 may fly out.

The present invention has been made in view of such a conventional problem. For example, when used in a first position, such as a horizontal position, the opening / closing lid can be opened. Change the position by about 90 degrees and use the second
It is an object of the present invention to solve the above-mentioned problem by adopting a structure in which the opening / closing lid cannot be opened when used in the posture described above.

[0009]

DISCLOSURE OF THE INVENTION A disk recording / reproducing apparatus of the present invention solves the above-mentioned problems and the like, and in order to achieve the above-mentioned object, is provided in a main body of an apparatus and has a disk-shaped recording medium detachably mounted. A disc mounting portion to be mounted, information reproducing means for reproducing at least information recorded on a disc-shaped recording medium mounted on the disc mounting portion, and an openable and closable device main body so as to cover the disc mounting portion. An opening / closing lid, a lid locking means for locking the opening / closing lid in a closed state and applying a pressing force to release the locking when the opening / closing lid is sunk, and a posture which is moved by a change in the posture of the device main body. And a lid restricting means for selectively restricting the opening / closing lid from sinking in accordance with the change.

According to the present invention, when the disk recording / reproducing apparatus is placed in a horizontal state, the opening / closing lid can be pressed, for example, so that the opening / closing lid can be opened / closed by the lid locking apparatus on the apparatus body side. By locking or unlocking the locking claw on the lid side, the opening / closing operation of the opening / closing lid can be performed. On the other hand, when the disk recording / reproducing apparatus is changed from the horizontal state to the vertical state and the posture thereof is changed by about 90 degrees, the lid restricting means prevents the opening / closing lid from sinking, and thereby the locking claw of the lid locking device is locked. Unlocking is prohibited, and the lid cannot be opened.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 to FIG. 10 show an embodiment of the present invention, in which disk recording and / or reproducing (reading) of information is performed using an optical disk such as a CD as a disk-shaped recording medium. The present invention is applied to a read-only radio cassette coder with a CD (hereinafter, referred to as a “CD radio cassette player”) showing a specific example of a reproducing apparatus.

FIG. 1 is an external perspective view showing a CD radio cassette player according to a first embodiment of the disk recording / reproducing apparatus of the present invention, FIG. 2 is a rear view thereof, FIG. 3 is a side view thereof, and FIG. Front view showing the inside of the device body by cutting a part of
FIG. 5 is a perspective view showing a lid locking device and a locking claw, and FIG.
FIG. 7 is a cross-sectional view showing the opening / closing lid portion when the boombox is placed horizontally, FIG. 7 is a cross-sectional view of the main part showing the opening / closing lid portion when the boombox is placed vertically, and FIG. . Also,
FIG. 9 shows a second embodiment of the lid restricting means according to the present invention.
FIG. 10 is a cross-sectional view of a main part of the opening / closing lid part when it is placed vertically.

As shown in FIG. 3, the CD radio-cassette 11 can be placed horizontally (horizontally) to reproduce information from a disc-shaped recording medium, and its posture can be changed by approximately 90 degrees to make it vertical (vertical). It is also possible to reproduce information from a disk-shaped recording medium. The CD radio-cassette 11 is a device body 12 composed of a housing forming an exterior body.
It has. The device main body 12 is formed of a hollow housing having a certain thickness and having an area in the horizontal (plane) direction X larger than the area in the vertical (front) direction Y, and a disk drive device (not shown) inside thereof. And various devices such as an optical pickup device, a control device, and a power supply circuit.

As shown in FIG.
On both sides in the longitudinal direction of 2a, there are provided speaker storage portions 13, 13 each having a cylindrical shape formed to extend in the front-rear direction when viewed from the front surface 12b. A pair of left and right speakers 14, 14 having a vibrating body disposed in front and a directional direction directed forward are disposed in these speaker storage units 13. Further, the front sides of the left and right speaker housings 13 are slightly projected forward, and a transport handle 15 is provided integrally so as to bridge between the projections. This transport handle 1
By holding the CD 5 by hand, the CD radio cassette 11 can be suspended and carried like a bag with the CD radio cassette 11 turned in the vertical direction.

As shown in FIG. 2, a vibration input can be appropriately absorbed on a first surface 12c serving as a bottom surface of the apparatus main body 12 in the horizontal position, which is the first posture of the CD radio cassette 11, as shown in FIG. Four lateral leg members 16a, made of plastics or the like having appropriate vibration absorption characteristics,
16b is provided. These four leg members 16a, 1
6b, two leg members 16b are arranged at a predetermined lateral distance at the rear end of the device main body 12, and the other two leg members 16a correspond to these. And is attached to the front middle part at a predetermined interval in the lateral direction. Reference numeral 17 shown in FIG.
Is a battery lid capable of opening and closing the opening of the battery storage portion provided on the first surface 12c of the device body 12.

Further, a second surface 12d serving as a bottom surface in a vertical position, which is a second position, which has been changed by approximately 90 degrees from the horizontal position, which is the first position, of the device main body 12, has a rear surface, as shown in FIG. As shown in the figures, there are provided four vertical leg members 18a and 18b similarly formed of plastics or the like having appropriate vibration absorbing characteristics. These four leg members 18a and 18b are connected to the second surface 12 of the device main body 12.
The two leg members 18b are formed integrally with the two lateral leg members 16b, respectively.

The flat surface 12a of the main body 12 has a CD
Mounting section 20 to which an optical disk 40 as a disk-shaped recording medium such as a disk or a CD-ROM is detachably mounted.
And a cartridge mounting portion 21 to which a cartridge tape is removably mounted is provided side by side. Although not shown, the disk mounting unit 20 holds the optical disk 40 and drives it to rotate at a predetermined speed, or irradiates the rotating optical disk 40 with laser light to record it on its information recording surface in advance. An optical pickup device or the like showing a specific example of information reproducing means for reading out an information signal such as a musical tone signal and reproducing the information is provided.

The disk mounting portion 21 is covered by an opening / closing lid 22 rotatably supported by the main body 12 so as to be opened and closed. As shown in FIG. 5, the opening / closing lid 22 has a lid plate 22a capable of covering the entire flat side of the disc mounting portion 20, and a pair of left and right brackets 22b provided on both lower sides of the lid plate 22a. doing. Of the pair of brackets 22b, one bracket 22
b is provided with a rotating shaft 24a, and the other bracket 22b is provided with a bearing hole 24b having the same axis. These rotating shaft 24a and bearing hole 24
The device main body 12 is provided with a hole into which the rotating shaft 24a is rotatably fitted and a shaft rotatably inserted into the bearing hole 24b. The opening / closing lid 22 is rotatably supported on the plane side of the device main body 12 by being combined.

A spring (not shown) is interposed between the opening / closing lid 22 and the apparatus main body 12, and the opening / closing lid 22 is constantly urged to the open side by the spring force of the spring. It becomes the open state shown by.
On the other hand, by pressing the opening / closing lid 22 against the device body 12 against the spring force of the spring, a locking claw 25 formed on the inner surface of the opening / closing lid 22 is attached to the device body 12. Lock device 26 showing one specific example of
And the upper surface of the disc mounting portion 20 is
2 to be covered.

As shown in FIGS. 5 to 7, the locking claw 25 of the opening / closing lid 22 is provided so as to protrude toward the main body 12 at one upper side of the inner surface of the lid plate 22a. The locking claw 25 is formed of a plate-shaped protruding piece that is flattened in the lateral direction, and its tip is shaped like an arrowhead. The opening / closing lid 22 is formed by sandwiching the arrowhead part 25a from both sides. Locked. A lid lock device 26 attached to the device main body 12 is disposed in front of the movement locus of the locking claw 25.

The lid locking device 26 includes a pair of holding claws 27, 27 capable of holding the arrowhead portion 25a of the locking claw 25 from both sides, a lock holder 28 for holding the holding claw 27 movably forward and backward. have. A pair of clamping claws 2
Reference numerals 7 and 27 are provided at one end of a slide member 29 slidably held in the axial direction by a lock holder 28 so as to be flexibly deformable. By causing the slide member 29 to retreat against the spring force of the spring, the pair of holding claws 27 are rotated inward by the lock holder 28. Thereby, the locking claw 25 inserted inside the pair of holding claws 27, 27 is held from both sides.

In this state, by locking the slide member 29 to the lock holder 28, the locking claw 25 is locked by the lid lock device 26. Thereby, the opening / closing lid 22
Is locked to the device main body 12 via the lid lock device 26, and the disc mounting portion 20 is closed by the opening / closing lid 22.

In this state, the locking claw 25 is further pushed in to release the locking of the slide member 29, whereby the slide member 29 is returned to the opening / closing lid 22 by the spring force of a spring (not shown). Then, the regulation of the pair of holding claws 27, 27 by the lock holder 28 is released, and both of the holding claws 27, 27 are turned outward, and the lock of the locking claw 25 located inside thereof is released. As a result, the opening / closing lid 22 is opened, and the disc mounting unit 20 is opened.

In order to reliably perform the pressing operation of the opening / closing lid 22, the surface of the lid plate 22 a corresponding to the lid locking device 26 is provided with irregularities for preventing finger slippage. And the like. In this embodiment, as shown in FIG. 4, the pressing operation portion 22c is provided on the upper left of the opening / closing lid 22, and the mounting frame 12e corresponding to the pressing operation portion 22c is located on the upper left side of the plane of the device body 12.
Inside, a lid lock device 26 is attached with the pair of holding claws 27, 27 facing the open / close lid 22 side.

In the vicinity of the lid lock device 26, a lid regulating means for preventing the open / close lid 22 from sinking further from the state in which the open / close lid 22 is locked to the apparatus body 12 via the lid lock device 26. Is provided with a rotation regulating mechanism 30 showing the first specific example. As shown in FIGS. 4 to 6, the rotation restricting mechanism 30 has a rotation member 31 rotatably supported by the device main body 12. The device main body 12 is provided with a horizontally extending rotating shaft 32 for supporting the rotating member 31. This rotating shaft 32
Is provided so as to cross an opening 12f provided below the mounting frame 12e of the device body 12.

As shown in an enlarged manner in FIG.
A bearing portion 33 through which the rotating shaft 32 is rotatably inserted;
A cylindrical shaft-shaped arm portion 34 provided to protrude radially outward from the outer periphery of the bearing portion 33;
3 projecting radially outward from the outer periphery of
And a block-shaped stopper 35 provided at a predetermined angle with respect to 4. As a material of the rotating member 31, for example, a synthetic resin such as polystyrene (PS) is preferable, but a metal or other materials can also be applied.

A screw member 36 is attached to the arm portion 34 of the turning member 31 as a weight by screwing a screw portion into a hole extending in the axial direction thereof, and the arm member 34 is turned by the weight of the screw member 36. The member 31 can rotate around the rotation shaft 32. The rotation range of the rotation member 31 is regulated by a not-shown locking pin provided on the device main body 12.
It is configured to be rotatable within a predetermined angle range between the position shown in FIG. 5 and the position shown in FIG. The weight of the arm portion 34 is not limited to this embodiment,
For example, it may be integrally formed using another synthetic resin having a specific gravity greater than the material of the rotating member 31, or the same material as that of the rotating member 31 and the tip side of the arm portion 34 may be formed large. And may be integrally formed so as to serve as a weight.

The bearing 33 of the rotating member 31 includes a bearing hole 33a through which the rotating shaft 32 is inserted, and a bearing hole 33a.
A notch 33b, one end of which communicates with the other and extends radially outward and the other end of which is open to the outer peripheral surface of the bearing 33; Arc grooves 33c, 33c extending in an arc in the direction. Then, the inner C-shaped piece 33 located on the inner side in the radial direction is formed in the bearing portion 33 by the circular arc grooves 33c, 33c.
d and an outer C-shaped piece 33e located on the outer side, thereby providing flexibility to the inner C-shaped piece 33d to form the notch 3
The rotation shaft 32 can be inserted from 3b.

A stopper 35 is provided on the outer peripheral surface of the outer C-shaped piece 33e of the bearing portion 33.
As shown in FIG. 5, the projecting direction is set to a direction inclined at a predetermined angle to one side from a direction opposite to the projecting direction of the arm portion 34. With this setting, when the arm portion 34 having the screw member 36 as a weight is facing directly downward, the stopper 35 faces diagonally upward and the opening / closing lid 2
It is configured to be deflected to one side from the front of the abutment portion 37 provided on the inner surface of the second.

On the other hand, as shown in FIG. 6, when the turning member 31 is turned by its own weight of the screw member 36 and the arm portion 34 faces obliquely downward, the stopper 35 faces sideways and the opening / closing lid It is configured to face the 22 abutment portion 37. The distal end surface of the stopper 35 is a flat surface like the distal end surface of the abutting portion 37 so that it can contact with each other over a wide range. The distal end surface of the stopper 35 is in contact with the distal end surface of the abutting portion 37 or within a range where the further opening of the opening / closing lid 22 is prevented and the unlocking of the locking claw 25 by the lid locking device 26 can be prohibited. To set the gap.

Further, on the outer peripheral surface of the outer C-shaped piece 33e of the bearing 33, projections 38a, 3 having a predetermined thickness in the width direction of the bearing 33 are provided on both sides so as to sandwich the stopper 35.
8b are provided. A rib 39 extending to the arm portion 34 is provided on one side of the one protruding portion 38a, and the rib 39 reinforces a connecting portion between the arm portion 34 and the outer C-shaped piece 33e.

As shown in FIG. 1, a large number of operation switches and a display panel for performing operations such as playing an optical disk and listening to a radio broadcast from the upper portion of the front surface 12b of the device main body 12 to the front portion of the flat surface 12a. Operation unit 4 having
4 are provided. An antenna 45 for receiving a radio broadcast is attached to the side of the cover 22.

In the cartridge mounting section 21, a tape drive for driving the magnetic tape accommodated in the cartridge at a predetermined speed, or reading an information signal recorded in advance by contacting the running magnetic tape, And a magnetic head device for recording new information on a magnetic tape. The cartridge mounting portion 21 is also openably and closably covered by a lid member 23 rotatably supported by the device main body 12.

The assembly of the rotation restricting mechanism 30 to the apparatus main body 12 can be easily performed as follows. First, a screw member 36 is screwed and attached to the arm portion 34 of the rotating member 31. Thus, the screw member 36 is attached as a weight at a position deviated from the bearing hole 33a which is the center of rotation of the rotating member 31.

Next, with the stopper 35 facing outward, the notch 33 b of the bearing 33 is
And press the bearing portion 33 against the rotating shaft 32 to
The rotation shaft 32 is inserted into 3a. At this time, the width of the notch 33b of the inner C-shaped piece 33d is set to be smaller than the diameter of the rotating shaft 32. However, since the inner C-shaped piece 33d has appropriate elasticity, the inner C-shaped piece 33d is inserted. 33d is elastically deformed outward, whereby the rotating shaft 32 can be inserted into the bearing hole 33a. This completes the assembly of the rotating member 31, and the rotating member 31 is loosely fitted to the rotating shaft 32 via the inner C-shaped piece 33d, and is rotated integrally with the screw member 36. Become.

A CD provided with such a rotation regulating mechanism 30
As described below, the boombox 11 can be used in a horizontal position as a first posture, and can also be used in a vertical position as a second posture after being rotated about 90 degrees from the first posture. .

First, a description will be given of a case where the CD radio-cassette 11 is placed horizontally and used horizontally. This use state is a case where the support surface A indicated by a two-dot chain line in FIG. 3 is a horizontal plane. At this time, the left and right speakers 14, 14 of the CD radio-cassette 11 are oriented horizontally.
Sound is radiated forward in the horizontal direction.

In this state, the rotation restricting mechanism 30 disposed inside the opening / closing lid 22 that covers the disk mounting section 20 is in a state as shown in FIG. The arm part 34 is in a state of being lowered vertically downward. Therefore, the stopper 35 protruding at a predetermined angle opposite to the arm 34 has moved to a position deviated to one side from the abutment 37 provided on the opening / closing lid 22.

In this case, by pressing the pressing operation portion 22c provided on the upper portion of the opening / closing lid 22 from outside, the rotating shaft 24a and the bearing hole 24b provided on the lower portion of the opening / closing lid 22 are rotated. Rotate downward as the center and open / close lid 2
2 can be further submerged. As a result, the lock of the locking claw 25 by the lid lock device 26 is released, and the opening / closing lid 22 is opened by the spring force of a spring (not shown), and the lid is opened from the closed state shown by a solid line in FIG. Change to a state.

In this open state, the optical disk 40 such as a CD, which is a specific example of a disk-shaped recording medium, is opened and closed.
After being inserted into the inside of the cover 2, the opening / closing lid 22 is closed against the urging force of the spring, so that the optical disk 40 is detachably mounted on the disk mounting portion 20 covered by the opening / closing lid 22. Therefore, the optical disk 40 is driven to rotate at a predetermined speed by the disk drive device, and the optical pickup device as information reproducing means provided in parallel with the disk drive device is moved from the inner side to the outer side in the radial direction along the information recording surface of the optical disk 40. By doing so, it is possible to read out information such as a tone signal recorded in advance on the information recording surface and reproduce predetermined music or the like.

In the horizontal state, when the information on the optical disk 40 is not reproduced by the optical pickup device, the lid lock device 26 is operated by pressing the pressing operation portion 22c at any time to open the opening / closing lid 22. be able to. At this time, since the optical disk 40 is placed on the disk mounting portion 20 by its own weight, the optical disk 40 does not jump out even when the opening / closing cover 22 is opened, and there is no possibility that the optical disk 40 may be damaged.

Next, a description will be given of a case where the CD radio-cassette 11 is used vertically and vertically. This use state is a case where the support surface B indicated by a solid line in FIG. 3 is a horizontal plane. At this time, the left and right speakers 14, 14 of the CD radio-cassette 11 are oriented in the vertical direction, and sound is emitted upward in the vertical direction.

In this state, the rotation regulating mechanism 30
The rotation member 31 rotates as shown by the arrow due to the weight of the screw member 36, and the arm portion 3
4 is obliquely lowered. As a result, the stopper 35 located on the opposite side of the arm portion 34 is rotated upward and moves to a position facing the abutting portion 37 provided on the opening / closing lid 22.

In this state, when the pressing operation portion 22c of the opening / closing lid 22 is pressed from the outside, the abutment portion 37 contacts the stopper 35 of the rotating member 31 before the opening / closing lid 22 sinks a predetermined amount. Further depression of the opening / closing lid 22 is prevented. Therefore, the locking claw 25 by the lid locking device 26
Is prohibited, and the closed state of the open / close lid 22 is maintained. Therefore, in the case of this vertically placed state, even if the user tries to open the opening / closing lid 22 by pressing the pressing operation part 22c,
The lock state by the lid lock device 26 is maintained, and the opening / closing lid 22 does not open.

Therefore, it is possible to prevent the optical disk 40 from jumping out due to the opening of the opening / closing lid 22, and to protect the optical disk 40. In addition, as described above, since the CD radio cassette 11 can be used in two directions, that is, horizontally and vertically, the use form of the CD radio cassette 11 can be increased, and the life of the user by the CD radio cassette 11 can be increased. You can expand your freedom of style. Further, four horizontal leg members 16a and 16b are provided on the first surface 12c serving as the bottom surface when placed horizontally, and the second surface 12c serving as the bottom surface when placed vertically is provided.
Similarly, four vertical leg members 18a and 18b are provided on the surface 12d.
Is provided, the CD radio-cassette 11 is supported by the support surface A or B via the leg member in any direction.
, The transmission of vibrations is suppressed by these leg members, and the reproduction of clear sound can be enjoyed.

FIGS. 9 and 10 show a sliding regulating mechanism 50 according to a second embodiment of the lid regulating means according to the present invention. The sliding restricting mechanism 50 is configured to prohibit unlocking of the locking claw 25 by the lid locking device 26 by the sliding operation of the sliding member 51 and to keep the lid 22 closed.

The sliding member 51 of the sliding regulating mechanism 50
A block body 52 made of a cube having an appropriate weight;
It has a guide shaft 53 penetrating between the two surfaces of the block body 52 and projecting both ends from the two opposing surfaces. In correspondence with the sliding member 51, the device main body 12 includes:
The sliding member 51 is guided by guiding the projecting portions at both ends of the guide shaft 53.
Guide groove 5 that movably supports a first position away from the open / close lid 22 and a second position approaching the open / close lid 22.
4 are provided.

The guide groove 54 is provided with a moving portion 54a provided so as to linearly connect the first position and the second position.
And a pressure receiving portion 54b provided continuously to one end of the moving portion 54a. Moving part 5 of this guide groove 54
4a, as shown in FIG. 9, the block body 52 approaches the opening / closing lid 22 when the device main body 12 is placed vertically, and the block body 52 is inclined so as to move away from the opening / closing lid 22 when the apparatus body 12 is changed to the horizontal position. This moving unit 5
The block body 52 can be moved toward and away from the abutting portion 37 of the opening / closing lid 22 by being guided by 4a. The pressure receiving portion 54b of the guide groove 54 is used to prevent the opening / closing lid 22 from sinking by receiving a pressing force applied to the block body 52 from the abutting portion 37, and the opening / closing lid 22 of the moving portion 54a.
It is formed so as to extend in the vertical direction continuously to the end on the side. Other configurations are the same as those of the first embodiment.

In the second embodiment, when the apparatus main body 12 is placed in a horizontal state as shown in FIG. 9, the block 52 is moved by its own weight to the moving portion 54a in the guide groove 54.
To the end on the first position side. Therefore, the opening / closing lid 2
When the second pressing operation portion 22c is pressed, the opening / closing lid 22 can be further lowered by rotating the lower part of the opening / closing lid 22 downward about the rotation center, that is, in a direction approaching the device main body 12. As a result, the locking of the locking claw 25 by the lid lock device 26 is released, and then the pressing force is released, whereby the opening / closing lid 22 is opened by the spring force of a spring (not shown).

On the other hand, the posture is set to about 9
When the main body 12 is changed to the vertical position as shown in FIG. 10 by changing the angle by 0 degrees, the guide shaft 53 is guided by the moving portion 54a of the guide groove 54, and the block body 52 is moved by its own weight to the second position side. And enters the pressure receiving portion 54b. As a result, the sliding member 51 is moved to the abutment portion 37 of the opening / closing lid 22.
To regulate the movement of the abutting portion 37.

In this case, the pressing operation unit 2 of the opening / closing lid 22
Even if 2c is pressed, the abutment portion 37 abuts on the block body 52, thereby preventing the opening / closing lid 22 from further sinking. Therefore, the locking claw 25 by the lid locking device 26
Is prohibited, and the closed state of the open / close lid 22 is maintained. Therefore, in this vertically placed state, even if the user tries to open the opening / closing lid 22 by pressing the pressing operation portion 22c,
The locked state by the lid lock device 26 is maintained and the opening / closing lid 22 does not open, and the same effect as in the above-described embodiment can be obtained.

As described above, the present invention is not limited to the above-described embodiment. For example, in the above-described embodiment, a radio with a CD for performing reproduction exclusively by using an optical disk as a disk-shaped recording medium. Although an example in which the present invention is applied to a cassette coder has been described, the present invention can be applied to a recording / reproducing disk recording / reproducing apparatus capable of performing not only reproduction but also recording using a magneto-optical disk as a disk-shaped recording medium. Further, in the above embodiment, a push-push type mechanical opening / closing mechanism is used as the lid locking means. However, for example, a configuration in which a pair of holding claws are operated by a motor to be able to hold the locking claws is also possible. Thus, the present invention can be variously modified without departing from the spirit thereof.

[0053]

As described above, according to the disk recording / reproducing apparatus of the present invention, the apparatus main body is provided with the disk mounting section, the information reproducing means, the opening / closing lid, the lid locking means, and the lid regulating means. While it can be used horizontally,
It can be used in the same manner even if it is installed vertically. Therefore, for example, when the device main body is in a horizontal state, the opening / closing lid can be pressed, and the locking claw on the opening / closing lid side is locked by the lid locking device on the device main body side, or the lock is released to open and close. The lid can be opened and closed, and the device body is changed from a horizontal state to a vertical state so that the posture is substantially 90 degrees.
If the degree is changed, the sinking of the opening / closing lid is prevented by the lid regulating means, the unlocking of the locking claw by the lid locking device is prohibited, and the opening / closing lid cannot be opened.

Therefore, when the main body of the apparatus is placed in a predetermined posture such as a vertical position, the opening / closing lid for opening and closing the disk mounting portion on which the disk-shaped recording medium is mounted is not opened. There is no danger that the cover is opened and the disc-shaped recording medium jumps out, so that the disc-shaped recording medium can be prevented from being damaged or damaged, and can be protected reliably. In addition, since it is possible to use the disc recording and reproducing apparatus in two directions, that is, horizontally and vertically, it is possible to increase the use form of this kind of disc recording and reproducing apparatus, and a lifestyle when a user uses the disc recording and reproducing apparatus. Also, the effect that the degree of freedom can be increased can be obtained.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a radio cassette coder with a CD shown as an example of a disk recording / reproducing apparatus according to the present invention.

FIG. 2 is a rear view of a radio cassette coder with a CD shown as an embodiment of the disc recording / reproducing apparatus of the present invention.

FIG. 3 is a side view of a radio cassette coder with CD shown as an embodiment of the disc recording / reproducing apparatus of the present invention.

FIG. 4 is an explanatory view showing a lid locking device and a rotation restricting mechanism of the apparatus main body, with a part of the opening and closing lid of the radio cassette coder with CD shown in FIG.

5 is a cross-sectional view taken along the line ZZ of FIG. 4 in a state where the radio cassette coder with a CD shown in FIG. 1 is placed horizontally.

FIG. 6 is a sectional view of a principal part taken along the line ZZ in FIG. 4 in a vertically placed state of the radio cassette coder with a CD shown in FIG. 1;

FIG. 7 is an explanatory diagram showing a relationship between a lid lock device and a locking claw according to the present invention.

FIG. 8 is a perspective view of a rotation regulating mechanism showing a first embodiment of the lid regulating means according to the present invention.

9 shows a sliding regulating mechanism according to a second embodiment of the lid regulating means according to the present invention. FIG. 9 shows the radio cassette coder with CD shown in FIG. FIG.

10 shows a sliding regulating mechanism according to a second embodiment of the lid regulating means according to the present invention, and shows a ZZ line portion of FIG. 4 in a vertically placed state of the radio cassette coder with CD shown in FIG. 1; It is principal part sectional drawing of.

FIG. 11 is an external perspective view of a radio cassette coder with CD shown as an example of a conventional disk recording / reproducing apparatus.

[Explanation of symbols]

11 Radio cassette coder with CD (disk recording / reproducing device), 12 main unit, 12a flat surface, 12
b front, 12c first side, 12d second side,
16a, 16b, 18a, 18b leg members, 20
Disc mounting part, 22 opening / closing lid, 22c pressing operation part, 25 locking claw, 26 lid locking device (lid locking means), 30 rotation restricting mechanism (lid restricting means), 31
Rotating member, 32 rotating shaft, 33 bearing part, 34
Arm part, 35 stopper, 36 screw member (weight), 37 abutment part, 40 optical disk (disk-shaped recording medium), 50 sliding regulation mechanism (lid regulating means),
51 sliding member, 52 block body, 53 guide shaft, 54 guide groove

Claims (4)

[Claims] 1. A disk mounting portion provided on an apparatus main body and to which a disk-shaped recording medium is removably mounted, and at least reproduction of information recorded on the disk-shaped recording medium mounted on the disk mounting portion is performed. An information reproducing means for performing the operation; an opening / closing lid attached to the device main body so as to be openable and closable so as to cover the disk mounting portion; Lid locking means for releasing the lock by inserting the lid, and lid restricting means for being moved by a change in the posture of the device main body and selectively restricting sinking of the open / close lid in accordance with the change in the posture. A disk recording / reproducing apparatus characterized by the above-mentioned. 2. The disk recording / reproducing apparatus according to claim 1, wherein said lid restricting means has a rotating member rotatably supported by said apparatus main body, and said rotating member includes said rotating member. And a weight provided at a position deviated from the center of the device body, and is moved by the weight in accordance with a change in the posture of the device main body, and moves in front of the open / close lid in a predetermined posture to prevent sinking of the open / close lid. A disk recording / reproducing apparatus comprising a stopper for prohibiting release of the lock. 3. The disc recording / reproducing apparatus according to claim 1, wherein said lid regulating means is slidably supported by said equipment main body, and is slid by its own weight in accordance with a change in posture of said equipment main body, and said lid regulating means is slidable by a predetermined weight. A recording / reproducing apparatus having a sliding member that moves in front of the opening / closing lid in the position described above to prevent sinking of the opening / closing lid and inhibit release of the lock. 4. The disc recording / reproducing apparatus according to claim 1, wherein the device main body has a first bottom which is a bottom surface in a first posture.
And a second plane intersecting the first plane serving as a bottom surface in a second posture changed by 90 degrees with respect to the first posture.
A disk recording / reproducing apparatus, wherein a plurality of leg members are provided on each of the surfaces, and the transmission of vibrations is suppressed by these leg members in both the first posture and the second posture.