WO2013084271A1 - 音楽再生装置 - Google Patents
音楽再生装置 Download PDFInfo
- Publication number
- WO2013084271A1 WO2013084271A1 PCT/JP2011/006895 JP2011006895W WO2013084271A1 WO 2013084271 A1 WO2013084271 A1 WO 2013084271A1 JP 2011006895 W JP2011006895 W JP 2011006895W WO 2013084271 A1 WO2013084271 A1 WO 2013084271A1
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- WO
- WIPO (PCT)
- Prior art keywords
- holding body
- open
- opening
- door
- rack gear
- Prior art date
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/10—Apparatus capable of using record carriers defined in more than one of the sub-groups G11B25/02 - G11B25/08; Adaptor devices therefor
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/02—Details
- G11B17/04—Feeding or guiding single record carrier to or from transducer unit
- G11B17/0401—Details
- G11B17/0405—Closing mechanism, e.g. door
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B31/00—Arrangements for the associated working of recording or reproducing apparatus with related apparatus
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/027—Covers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/02—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B33/06—Cabinets; Cases; Stands; Disposition of apparatus therein or thereon combined with other apparatus having a different main function
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
- G11B33/121—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules the apparatus comprising a single recording/reproducing device
- G11B33/122—Arrangements for providing electrical connections, e.g. connectors, cables, switches
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/021—Aspects relating to docking-station type assemblies to obtain an acoustical effect, e.g. the type of connection to external loudspeakers or housings, frequency improvement
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Definitions
- the present invention relates to a music playback device, and more particularly to a music playback device that can support playback of two external sound sources of different types.
- a portable media player (hereinafter abbreviated as PMP as appropriate) is used as an attachable / detachable external sound source so that a desired music can be downloaded and played back.
- PMP portable media player
- the “portable media player” is not limited to music download only, but can be connected to a communication line such as the Internet on a device having a mobile phone function, and music can be transmitted via the communication line. Including those that can be downloaded.
- the “external sound source” means a sound source or music medium that can be attached to and detached from the music playback device, such as the above-described portable media player or compact disc.
- the music playback apparatus capable of playing back two external sound sources of different types has a CD playback unit having a CD holding mechanism capable of holding a CD and a PMP holding mechanism capable of holding a PMP. It is known that a reproduction unit for PMP is arranged side by side and provided with an opening / closing door that covers at least one of both reproduction units so that it can be opened and closed.
- the PMP holding mechanism is In the state which has the base which mounts and hold
- a selection lever that selectively switches the position of the PMP holding mechanism between the storage position and the drawer position. When the PMP is attached or detached, the user has to operate the selection lever to operate the PMP holding mechanism. It is necessary to switch the position of the camera, which is troublesome for the user.
- the PMP holding mechanism for mounting and holding the PMP usually includes a terminal block having a mounting surface portion for receiving the PMP mounted from a predetermined direction (for example, above), and a terminal socket portion of the PMP mounted on the mounting surface portion of the terminal block. Are connected to the connector terminals.
- the terminal socket portion of the PMP is fitted so as to be connected to the connector terminal of the terminal block.
- the connection portion cannot be visually recognized, so that workability is not good. There are technical challenges.
- the present invention provides a music playback apparatus that can handle playback of two different types of external sound sources, and does not require manual operation that is troublesome for the user.
- the purpose is to enable the external sound source holder in the storage position to be automatically moved between the storage position and the drawer position according to the open / close state of the door. is there.
- Another object of the present invention is to improve workability when connecting the terminal socket portion of the PMP to the connector terminal of the PMP holding mechanism.
- the first invention of the present application provides a first reproduction unit for a first external sound source having a first holding body capable of holding the first external sound source, and a second capable of holding the second external sound source.
- a music reproduction provided with a second reproduction unit for a second external sound source having a holding body in parallel and provided with an opening / closing door that covers at least one of the first reproduction unit and the second reproduction unit so as to be openable and closable.
- the at least one holding body, which is covered with the opening / closing door is positioned at a storage position on the back side of the opening / closing door when the holding body is covered with the opening / closing door. When the cover is opened by moving the door, the door is pulled out from the storage position and moved to the pull-out position.
- the external sound source holder in the storage position behind the opening / closing door in the state covered with the opening / closing door is automatically moved between the storage position and the drawer position according to the opening / closing state of the opening / closing door. Moved.
- the moving direction of the opening / closing door and the moving direction of the holding body are substantially orthogonal to each other, and the first power transmission path for moving the opening / closing door with the driving force from a single driving source and the holding There may be provided switching means for selectively and substantially continuously switching between and transmitting to the second power transmission path for moving the body.
- first and second driving gears that are always rotated by a rotational driving force from the single driving source via a predetermined reduction mechanism are provided, and b) the above
- the open / close door includes an open / close door rack gear that extends in the moving direction of the open / close door and can mesh with the first driving gear, and an open / close door engaging portion that can engage with one end of the switching lever of the switching means.
- a fully closed position that covers the entire reproduction unit, a first open position that covers only the second holding body and opens a cover for the first holding body, and a second holding that covers only the first holding body.
- the second holding body is extended in the moving direction of the second holding body and can be engaged with the second driving gear.
- Body rack gear and the other end side of the switching lever of the switching means A holding member engaging portion that can move between the storage position and the pull-out position, and d) when the open / close door moves from the fully closed position to the second open position,
- the opening / closing door engaging portion presses one end side of the switching lever
- the other end side of the switching lever presses the holding body engaging portion
- the second holding body is moved from the storage position to the drawing position.
- the second driving gear meshes with the holding body rack gear to bring the second holding body to the pulling position, and e) the second holding body is retracted from the pulling position.
- the moving direction of the open / close door and the moving direction of the holding body are substantially orthogonal to each other. Even in this case, the movement of the door and the movement of the holding body can be performed without any trouble with a single drive source.
- a positioning member for positioning the open / close door at the fully closed position or the second open position is provided.
- the open / close door On the back surface of the open / close door, the open / close door is connected to the fully closed position and the second open position.
- cam grooves each having an inclined surface portion engageable with the positioning member are provided, and the open / close door rack gear has the open / close door in the fully closed position and the second open position.
- Notch portions are respectively provided so as to be disengaged from the first driving gear, and the opening / closing door moves to the fully closed position or the second opening position, so that the opening / closing door rack gear and the first driving gear are moved.
- the inclined surface portion of the cam groove corresponding to the positioning member is connected to the terminal teeth near the notch portion of the door rack gear and the first original. While pressing in the direction in which the gear is separated, engages with the cam groove, it may be.
- a second positioning member for positioning the second holding body at the storage position or the pull-out position, and a side portion of the second holding body is engaged with the second positioning member.
- a cam-shaped portion having an inclined surface portion that can be engaged, and the holder rack gear is provided with a notch so as to disengage from the second driving gear when the second holder is in the storage position.
- the second positioning member is inclined by the cam-shaped portion. The surface portion may be engaged with the cam-shaped portion while pressing the terminal tooth in the vicinity of the notch portion of the holder rack gear and the second driving gear.
- the second positioning member causes the inclined surface portion of the cam-shaped portion to move to the holding body.
- the open / close door rack gear is provided with a notch so as to be disengaged from the first driving gear when the open / close door is in the second open position, and the second holding gear is provided.
- An inclined surface portion that is inclined at a predetermined angle is provided at a side end portion on the side closer to the opening and closing side of the body, and the opening and closing door rack gear moves when the opening and closing door moves to the second opening position.
- the inclined surface portion of the second holding body is When the side edge portion on the side close to the second holding body is pushed and moved in the direction in which the opening / closing door rack gear and the first driving gear are disengaged, and the second holding body is in the drawer position, the opening / closing door The second Be pressed against the lifting side, both side edge portions each other in the movement to the second holder side of the door by contact is prevented.
- the second holding body moves from the storage position to the pulling position.
- the inclined surface portion of the second holding body pushes the side end portion of the open / close door closer to the second holding body and moves it in the direction in which the mesh between the open / close door rack gear and the first driving gear is released, so that the second holding body is It is possible to move from the storage position to the drawer position without any trouble.
- the second holding body is in the drawer position, even if the opening / closing door is pressed toward the second holding body, the movement of the opening / closing door toward the second holding body is prevented by contact between the side end portions of both. This reliably prevents the opening / closing door rack gear and the first driving gear from meshing with each other.
- the holding body rack gear is provided with a notch portion so as to be disengaged from the second driving gear when the second holding body is in the storage position.
- An inclined surface portion that is inclined at a predetermined angle is provided at a side end portion on the back surface side of the door and close to the second holding body, and the second holding body moves to the storage position and holds the holding position.
- a second position detection switch for detecting that the second holding body is in the pulling position is provided, and the second holding body is set to the storage position or the pulling position.
- a second positioning member for positioning is provided, and the second position detection switch operates in conjunction with the operation of the second positioning member.
- the second position detection switch operates in conjunction with the operation of the second positioning member, so that it can be detected that the second holding body is in the drawer position.
- the second holding body includes a base base movably disposed between the storage position and the drawer position, and the second external body fixed to the base base.
- a back support for supporting the back surface of the sound source, a terminal block supported by the base base so as to be swingable in the front-rear direction, and a connector terminal for connecting the second external sound source attached to the terminal block;
- a biasing force that presses the second external sound source connected to the connector terminal against the back support between at least one of the base base and the back support and the terminal block.
- An urging means is provided to act.
- the second external sound source is further pressed by pressing the second external sound source connected to the connector terminal of the terminal block against the back support fixed to the base base by the action of the biasing means. It can be held stably.
- Another invention of the present application is a music playback apparatus that can use a portable media player as a removable external sound source, and a) a terminal block having a mounting surface for receiving the portable media player mounted from a predetermined direction; B) a connector terminal provided on the mounting surface portion of the terminal block to which the terminal socket portion of the portable media player is connected; and c) a terminal socket portion disposed on the mounting surface portion of the terminal block and of the portable media player.
- a mirror member that projects at least the terminal socket portion is disposed.
- the mirror surface member is disposed on the mounting surface portion of the terminal block, when connecting the terminal socket portion of the PMP to the connector terminal of the PMP holding mechanism, at least the terminal socket portion of the PMP by the mirror surface member. Is projected.
- the present invention in a music playback apparatus that can support playback of two different types of external sound sources, it is necessary to perform a manual operation that is troublesome for the user, and in a state covered with the door, it is located behind the door.
- the external sound source holder in the storage position can be automatically moved between the storage position and the drawer position according to the open / close state of the door. Thereby, the operability of the apparatus can be improved, and interference with the external sound source holder when the open / close door is opened / closed can be reliably prevented.
- the mirror member is disposed on the mounting surface portion of the terminal block, so that the terminal socket portion of the PMP is connected to the PMP.
- the terminal socket portion of the PMP is projected by the mirror member.
- FIG. 1 is a perspective view showing a first open state in which a cover of a CD playback unit is opened, which is one of the diagrams schematically showing the overall configuration of the music playback device.
- the schematic perspective view from the front of the front panel shown in the state which removed the slide door of the said music reproduction apparatus.
- FIG. 4B is a schematic cross-sectional view of the slide door cut along the line Lb-Lb in FIG. 4A.
- FIG. 4B is a schematic cross-sectional view of the slide door cut along the line Lc-Lc in FIG. 4A.
- FIG. 4B is a schematic sectional view of the sliding door cut along the line Ld-Ld in FIG. 4A.
- FIG. 4B is a schematic sectional view of the sliding door cut along the Le-Le line in FIG. 4A.
- FIG. 4B is a schematic cross-sectional view of the sliding door cut along the line Lf-Lf in FIG. 4A.
- FIG. FIG. 4B is an arrow view seen from the direction of arrow Lg-arrow Lg in FIG. 4A.
- Sectional drawing which expands and shows the incorporating state of the idling rack to the said sliding door.
- Sectional drawing which expands and shows the state which the cam-shaped part of the leaf part terminal of the said idling rack is engaging with the groove part of a slide door back surface.
- FIG. 9B is a schematic cross-sectional view of a driven pulley and a boss portion cut along the line L9-L9 in FIG.
- Sectional drawing which expands and shows schematically the principal part of the assembly
- Explanatory drawing which expands and shows schematic structure of the lower end part of the rotation support
- the top view which shows the state with which the front of the PMP holding mechanism was closed with the slide door in the figure for showing roughly the positional relationship and moving operation
- the top view which shows the positional relationship and moving operation
- FIG. 3 is a schematic cross-sectional view of a CD reproduction unit cut along line L11-L11 in FIG. Sectional drawing similar to said FIG. 11A which shows the state in the middle of disk installation.
- FIG. 11B is a cross-sectional view similar to FIG.
- the music playback device includes a playback unit that plays back music using, for example, a compact disc (hereinafter abbreviated as “CD” as appropriate) and an external sound source, for example, portable media.
- a playback unit that plays back music using, for example, a compact disc (hereinafter abbreviated as “CD” as appropriate) and an external sound source, for example, portable media.
- Playback units that perform music playback using a player (hereinafter, abbreviated as “PMP” as appropriate) as an external sound source are arranged side by side in a front view, and playback can be performed by selectively switching which playback unit is used. Is.
- FIG. 1A to 1C are perspective views schematically showing the overall configuration of a music playback device according to the present embodiment.
- FIG. 1A shows a fully closed state in which both playback units are covered with a door.
- 1B shows a first open state in which the cover of the playback unit for CD is opened
- FIG. 1C shows a second open state in which the cover of the playback unit for PMP is opened.
- the music playback apparatus 1 (hereinafter simply referred to as “apparatus” as appropriate) includes a CD playback unit U1 and a PMP 6 that perform music playback using CD5 as an external sound source.
- a PMP reproduction unit U2 that performs music reproduction as a sound source is provided, and both reproduction units U1 and U2 are arranged side by side, for example, in the left-right direction in a front view.
- a pair of speaker devices Sp are arranged side by side on the left and right sides of the reproduction units U1 and U2.
- These reproduction units U1, U2 and speaker devices Sp, Sp are built in the outer case 2 in a state where they are arranged in the left-right direction on the front surface of the outer case 2 of the device 1.
- a front panel 3 is attached to the front surface of the central region of the outer case 2, and the playback unit U1 and the PMP playback unit U2 are installed in the outer case 2 with the front panel 3 as an attachment base.
- the CD playback unit U1 has a turntable 8 (see FIG. 1B) as a holding mechanism that can hold the CD5 rotatably, while the PMP playback unit U2 holds and holds the PMP6. It has a PMP holding mechanism 10 (see FIG. 1C) that can do this.
- the configuration for playing music using CD5 as an external sound source in CD playback unit U1 and the configuration for playing music using PMP6 as an external sound source in PMP playback unit U2 are both the same as those conventionally known. Therefore, detailed description thereof is omitted.
- the slidable door (sliding door) 30 is disposed in the left direction (direction of arrow X L) and right (direction of arrow X R) in FIG.
- the slide door 30 covers the front side of at least one of the CD reproduction unit U1 and the PMP reproduction unit U2 so as to be openable and closable. In more detail, both obscure the fully closed position the front (direction of arrow Y F) of both the reproduction units U1, U2 (see FIG.
- the sliding door 30 picture from the initial position
- a predetermined amount of movement in the left direction (direction of arrow X L) in remain closed in front of the PMP reproduction unit U2
- reach the first open position to open only the front of the CD reproduction unit U1 (see FIG. 1B).
- the slide door 30 is in the first open position (first open state)
- the user can freely attach and detach the CD 5 with respect to the turntable 8 of the CD playback unit U1.
- Operation buttons 4c and 4p for operating the slide door 30 are disposed on the upper surface of the central region of the exterior case 2.
- the operation button 4c on the CD playback unit U1 side operates the slide door 30 so as to open and close the front of the CD playback unit U1, that is, the slide door 30 is first opened from the fully closed position (see FIG. 1A). It is used when moving to a position (see FIG. 1B) and vice versa.
- the operation button 4p on the PMP playback unit U2 side operates the slide door 30 so as to open and close the front of the PMP playback unit U2, that is, the second operation from the fully closed position (see FIG. 1A). It is used when moving to the open position (see FIG. 1C) and when performing the reverse operation.
- Such operation of the sliding door 30 can also be performed using a remote controller (so-called remote controller).
- a non-contact sensor is arranged in the vicinity of the operation buttons 4c and 4p, and the user moves his / her hand in the left or right direction while holding the hand in the vicinity of the sensor, thereby sliding the door in that direction. It is also possible to configure so that 30 is moved.
- the PMP holding mechanism 10 has a rear side (arrow) behind the sliding door 30 when the front of the PMP playback unit U2 is covered by the sliding door 30. located in the storage position in the Y direction R), the front of the cover of the PMP retaining mechanism 10 moves the slide door 30 is opened, PMP retaining mechanism 10 in conjunction with the moving operation of the slide door 30 There is drawn forward (direction of arrow Y F) from the storage position, it is configured to move to the extended position (see FIG. 1C).
- FIG. 2 is a perspective view from the front of the front panel 3 shown with the slide door 30 removed.
- FIG. 3 is a plan view schematically showing a positional relationship among the slide door 30, the PMP holding mechanism 10, the drive unit 50, and the like.
- the front side near the upper and lower edges of the front panel 3 has a horizontal direction in the figure along the upper and lower edges in order to guide the sliding operation of the sliding door 30. (arrow X L, X R direction) to extend to the upper and lower pair of parallel guide rails 3a, 3b are provided.
- the aforementioned PMP playback unit U2 and CD playback unit U1 are arranged side by side between the upper and lower guide rails 3a, 3b.
- a step-down surface 3d is formed by being slightly lowered from the surface 3f of the front panel 3, and the turntable 8 is provided with the step-down surface 3d. It is attached as a base surface.
- a known optical pickup 9 is disposed on the side of the turntable 8 so as to be movable along at least the radial direction of the turntable 8.
- a region corresponding to the PMP playback unit U2 of the front panel 3 is provided with a recess 3c that is formed in a substantially rectangular shape when viewed from the front and is recessed by a predetermined depth from the surface 3f of the front panel 3.
- the holding mechanism 10 is accommodated in the hollow portion 3c so as to be able to move by a predetermined amount in the front-rear direction (directions of arrows Y F and Y R ). The mechanism and operation for moving the PMP holding mechanism 10 in the front-rear direction will be described in detail later.
- a drive unit 50 having, for example, an electric motor 51 (see FIG. 3) as a drive source is located. Further, for example, in the vicinity of the drive unit 50, as will be described later, a drop prevention protrusion 3e for preventing the slide door 30 from dropping during the sliding operation of the slide door 30 is disposed.
- position detection switches Sw1, Sw2, Sw3 of the slide door 30 are arranged, for example, at a relatively upper portion of the front panel 3. These switches Sw1 to Sw3 are configured to be pushed down and turned on (ON) by engaging with protrusions formed on the back surface of the slide door 30, as will be described in detail later. Then, by detecting the ON / OFF state of the door position detection switches Sw1, Sw2, and Sw3, the sliding door 30 fully closes the front of both the reproduction units U1 and U2 (see FIG. 1A). , The first open position (see FIG.
- FIG. 4A is a schematic front view of the slide door 30, and FIGS. 4B to 4F are schematic views of the slide door cut along the lines Lb-Lb to Lf-Lf in FIG. 4A, respectively.
- FIG. FIG. 4G is an arrow view seen from the direction of arrow Lg-arrow Lg in FIG. 4A.
- an opening window 38 having a size and shape corresponding to the display display of the PMP 6 is formed in the left region in the drawing of the slide door 30.
- the position is set so as to be in a position corresponding to the display of the PMP 6 when in the fully closed position (see FIG. 1A).
- the rear surfaces near the upper and lower edges of the sliding door 30 are respectively engaged with the upper and lower guide rails 3 a and 3 b of the front panel 3 disposed on the front surface of the central region of the exterior case 2.
- Engagement groove portions 30a and 30b extending in the left-right direction (directions of arrows X L and X R ) are formed.
- the shapes of the engaging groove portions 30a and 30b can be clearly understood from FIG. 4G, for example.
- position detection protrusions are provided at vertical positions respectively corresponding to the position detection switches Sw 1, Sw 2, and Sw 3 disposed on the front panel 3.
- Pt1, Pt2, and Pt3 are formed (see FIGS. 4A and 4B).
- these position detection projections Pt1, Pt2, and Pt3 also move.
- at least one of the protrusions Pt1, Pt2, and Pt3 is engaged with at least one of the switches Sw1, Sw2, and Sw3, and the engaged switch is pushed down to be turned on.
- the switch Sw1 is turned on, it is detected that the slide door 30 is in the fully closed position (see FIG.
- the front panel 3 is provided with the position detection switches Sw1 and Sw3 for detecting that the slide door 30 is in the fully closed position (see FIG. 1A) and the first open position (see FIG. 1B), respectively.
- Protrusions Pt1 and Pt3 for position detection switch operation corresponding to the fully closed position and the first open position of the slide door 30 are provided on the rear surface of the slide door 30 so that the slide door 30 can be moved. Accordingly, the position detection switches Sw1 and Sw3 are operated to detect that the slide door 30 is in the fully closed position and the first open position, respectively.
- contact surface portions 32a and 32b are provided in the vicinity of the left and right ends of the slide door 30 at the vertical position corresponding to the drop-off preventing projection 3e provided on the front panel 3. (See FIGS. 4A and 4C). Then, when the sliding door 30 slides to the left (direction of arrow X L) in FIG. 4A, the at the end of the sliding abutting surface 32b at the right side against stopped by falling-off preventing protrusions 3e, when slid rightward (in the direction of arrow X R) is contact face portion 32a of the left side is abutting stopping the falling-off preventing protrusions 3e during the end of its sliding movement. As a result, the end position of the sliding operation of the sliding door 30 is determined, and the dropout is prevented.
- a contact surface portion 32c is provided (see FIGS. 4A and 4D).
- the contact surface portion 32c is positioned to the right by a predetermined amount with respect to the contact surface portion 32a on the left end side that acts at the end of the sliding movement of the slide door 30. Then, when the sliding door 30 is slid to the right (direction of arrow X R) in FIG. 4A, is moved to a second open position for opening the front of the PMP retaining mechanism 10 (see FIG.
- a drive rack gear 31 extending in the left-right direction (directions of arrows X L and X R ) is arranged to drive the slide door 30 (FIG. 4A). And FIG. 4E).
- the driving rack gear 31 meshes with a driving gear 70 (first driving gear) incorporated in the driving unit 50 and is driven by the first driving gear 70.
- a central notch 31a that is not engraved with a gear is provided at a substantially central portion of the rack gear 31.
- the center notch 31a corresponds to the first driving gear 70.
- the first driving gear 70 and the rack gear 31 are disengaged from each other.
- the left end portion of the rack gear 31 is also provided with a left end notch 31b in which no gear is engraved, and the slide door 30 is in the second open position (see FIG. 1C) where the front of the PMP holding mechanism 10 is opened.
- the left end notch 31b corresponds to the first driving gear 70, and the meshing between the first driving gear 70 and the rack gear 31 is also released.
- cam grooves 33a and 33b having inclined surface portions that can be engaged with a positioning piece 81 incorporated in the drive unit 50 as described later are formed on the back surface of the slide door 30 (FIGS. 4A and 4F). reference).
- a translucent decorative plate 39 is attached to the front side of the slide door 30 configured as described above in order to cover and decorate the front face of the slide door 30 (see FIG. 4G).
- FIG. 5A is a perspective view showing an attachment mode of the idling rack 41 to the slide door 30 as viewed from the back surface side of the slide door 30.
- FIG. 5B is an enlarged cross-sectional view showing an assembled state of the idling rack 41 to the slide door 30.
- the idling rack 41 is incorporated in the upper space 35 along the driving rack gear 31 and extends in the left-right direction on the back surface of the sliding door 30. In the space 35 between the part 34 and the upper surface of the drive rack gear 31, it can slide freely in the left-right direction.
- a rack gear 42 (idling rack gear) is carved on most of the idling rack 41 in the longitudinal direction, and the module of the idling rack gear 42 is set to be the same as the module of the driving rack gear 31 of the slide door 30.
- hook portions 43 projecting a predetermined amount in the vertical direction are formed.
- the hook portion 43 provides a retaining function for preventing the idling rack 41 from falling from the slide door 30 to the back side when the idling rack 41 slides in the left-right direction along the driving rack gear 31.
- the lateral wall portion 34 is formed with notches 34a and 34a corresponding to the hook portions 43 and 43.
- FIG. 5C is an enlarged cross-sectional view showing a state where the cam-shaped portion 45 is engaged with the groove portion 36 provided on the back surface of the slide door 30.
- the end surface 45f of the cam-shaped portion 45 abuts against the wall surface 36f of the groove 36, and the cam-shaped portion 45 enters the groove 36.
- the leaf portion 44 is set to stay at that position with a light spring pressure.
- FIGS. 6A and 6B are views showing the positional relationship between the drive rack gear 31 and the idling rack 41, where (a) is a plan view of the slide door 30 and (b) is a rear view of the slide door 30.
- FIG. 6C is a cross-sectional view showing the positional relationship between the driving rack gear 31 and idling rack gear 42 of the slide door 20 and the first driving gear 70 of the driving unit 50.
- the driving rack gear 31 of the slide door 30 and the idling rack gear 42 of the idling rack 41 are configured to be in phase.
- the vertical position and dimensions of the tooth portion of the first driving gear 70 are set so as to be able to mesh with both the driving rack gear 31 and the idling rack 41.
- the vertical dimension of the tooth portion of the first driving gear 70 is more preferably set larger than the vertical dimension of the drive rack gear 31.
- 6B is idling rack 41 is moved in the arrow X L direction, as in the case of FIG. 6A, the end face 45f of the cam profile 45 of the idling rack 41 is in contact with the wall surface 36f of the groove 36 of the slide door 30
- the driving rack gear 31 of the sliding door 30 and the idling rack gear 42 of the idling rack 41 are also in phase with each other.
- the idle rack gear 42 meshes with the first driving gear 70 at the left end cutout portion 31b of the drive rack gear 31 of the slide door 30 so that the drive unit 50 side And the sliding door 30 side, the gear meshing relationship is continuously maintained without interruption.
- the operation of the idling rack 41 configured as described above will be described mainly with reference to FIGS. 6A and 6B.
- the positioning piece 81 is engaged with the cam groove 33a formed on the back surface of the slide door 30, so that the central notch 31a corresponds to the first driving gear 70, and the first driving gear is concerned.
- the meshing of 70 and the driving rack gear 31 is disengaged.
- the idling rack gear 42 and the first driving gear 70 are engaged with each other, when the first driving gear 70 is rotated in the clockwise direction (CW direction) in FIG. 6A (a), the slide door 30 remains stationary.
- idling rack 41 is moved in the arrow X L direction, the state shown in Figure 6B.
- the sliding door 30 is moved from the first open state (see FIG. 1B) in which the CD5 can be attached / detached or the second open state (see FIG. 1C) in which the PMP 6 can be attached / detached to the fully closed position (see FIG. 1A). In order to stop it, an accurate stop operation is required. If the central notch 31a is not provided in the driving rack gear 31 of the slide door 30, the rotation of the motor is stopped by the motor stop signal output from the fully closed position detection switch, but the inertia of the rotor of the motor The stop position of the slide door 30 is not constant due to an overrun due to the above or a change in braking load caused by variations in the load of the slide door 30.
- the drive rack gear 31 of the slide door 30 is provided with a central notch 31a, and a positioning piece 81 is combined with this to realize an accurate stop operation when the slide door 30 is fully closed.
- This stopping operation will be described by taking as an example a case where the slide door 30 is moved from the second open state (see FIG. 1C) where the PMP 6 can be attached and detached to the fully closed position (see FIG. 1A).
- the sliding door 30 When the first drive gear 70 is rotated in the clockwise direction (CW direction), the sliding door 30 is moved in the arrow X L direction by the driving rack gear 31, exceeds the rack end of the central cutout portion 31a, the first drive gear
- the positioning piece 81 is engaged along the inclined surface of the cam groove 33a when the gear transmission is cut by disengagement of the engagement between the driving rack gear 31 and the driving rack gear 31, and the sliding force is applied by the spring biasing force acting on the positioning piece 81.
- the door 30 stops at the center position.
- the sliding door 30 can continue a stop condition center position corresponding to the fully closed position. That is, if the rotation amount due to the motor inertia is set to an extent corresponding to half of the length of the idling rack gear 42, the sliding door 30 can be easily affected without being affected by the overrun due to the motor inertia and the variation in the braking load. Centering is possible. Centering can be performed based on the same principle as described above even when the CD5 is moved from the first open state (see FIG. 1B) in which the CD5 can be attached and detached to the fully closed position (see FIG. 1A).
- FIG. 7A, 7B, and 7C are a plan view, a front view, and a side view schematically showing the configuration of the PMP holding mechanism 10, respectively.
- FIG. 8 is an exploded perspective view schematically showing the configuration of the PMP holding mechanism 10.
- the PMP holding mechanism 10 includes a base base 11 serving as a base of the entire PMP holding mechanism 10 and a driving side portion to which driving force from the driving unit 50 is input as basic components. 16, a terminal block 21 that supports the bottom of the PMP 6, and a back support 26 as a backrest that supports the back of the PMP 6.
- the base base 11 is positioned at the bottom of the PMP holding mechanism 10, the driving side portion 16 is integrally formed on the side portion (right side portion in the figure), and the terminal block 21 is assembled immediately above the base side base 11. .
- a back support 26 is disposed on the terminal block 21.
- the PMP holding mechanism 10 assembled in this way can move by a predetermined amount in the front-rear direction (in the directions of arrows Y F and Y R ) in the recessed portion 3 c that is recessed by a predetermined depth from the surface 3 f of the front panel 3. (See FIG. 2).
- a printed circuit board 20 including a connector 20 a and a connector terminal 20 b is incorporated below the terminal block 21, and the connector terminal 20 b erected on the upper surface of the printed circuit board 20 is connected to the floor of the terminal block 21. And projecting upward.
- the PMP 6 is electrically connected to the printed circuit board 20 by placing it on the terminal block 21 with the terminal socket portion (not shown) at the bottom thereof fitted into the connector terminal 20b. And is electrically connected to a playback unit (not shown) of the PMP playback unit U1.
- the reflecting mirror 24 is attached to the bottom surface of the terminal block 21, and when the user mounts the PMP 6 on the terminal block 21, the terminal socket portion at the bottom of the PMP 6 is the reflecting mirror.
- the portion (terminal socket portion of the PMP 6) that is displayed on the screen 24 and is to be connected to the connector terminal 20b can be seen from the insertion direction (upward) of the PMP 6, and can be easily fitted to the connector terminal 20b. Thereby, the mounting workability of the PMP 6 can be greatly improved.
- pin-shaped rotation fulcrums 23, 23 projecting outward are provided on the left and right side portions of the lower part of the terminal block 21, and the rotation fulcrum 23 is provided on the left and right inner walls of the base base 11. , 23 are formed so as to be rotatably fitted. Then, the pivot bases 23, 23 of the terminal base 21 are pivotably fitted into the holes 13, 13 of the base base 11, so that the terminal base 21 swings up and down with respect to the base base 11. It is assembled to be movable.
- the back support 26 serves as a backrest that supports the back of the PMP 6 mounted on the terminal block 21, and a cushion material 26c is attached to a relatively upper portion of the front surface, and a bottom base 26b is provided.
- the screw members 28 and 28 are used to fasten and fix to the boss portions 11b and 11b provided upright from the bottom of the base base 11.
- a coiled spring 29 is mounted between the back surface of the terminal block 21 and the back surface of the back support 26, for example.
- the main body 29b of the spring 29 is mounted on the back side of the terminal block 21, while the upper end 29a of the spring 29 is locked to a pin 26p protruding from the back of the back support 26. Due to the biasing action of the spring 29, a rotational force is always applied to the terminal block 21 in the direction of rotating the front part upward about the rotation fulcrums 23 and 23. Therefore, when the PMP 6 is mounted on the terminal block 21, the upper back surface of the PMP 6 is pressed against the cushion material 26 c attached to the front surface of the back support 26 so that the PMP 6 is stably held. Has been.
- a driving side portion 16 formed integrally with a side portion (right side portion in the drawing) of the base base 11 has two upper and lower parallel groove portions 16a extending in the front-rear direction (directions of arrows Y F and Y R ). 16b is formed. Both of these groove portions 16a and 16b are opened outward (right side in the figure).
- a cam-shaped portion 16c having an overhanging portion projecting outward and inclined surfaces on the front and rear sides thereof is formed at a relatively rear portion of the upper groove portion 16a.
- the upper groove portion 16a is provided at a position that can be engaged with the tip end portion of the first arm 57a of the switch lever 57 incorporated in the drive unit 50 described later.
- a rack gear 17 (side rack gear) that can mesh with a driving gear 76 (second driving gear) incorporated in the drive unit 50, as will be described later, is provided at the central portion in the front-rear direction of the lower groove portion 16b. It extends along 16b. Accordingly, the side rack gear 17 is driven in the front-rear direction (in the directions of the arrows Y F and Y R ) by the rotation of the second driving gear 76, whereby the base base 11 (and hence the entire PMP holding mechanism 10) is moved in the front-rear direction. Will be driven to. In addition, before and after the side rack gear 17, there are provided portions (notches) where the rack teeth are not carved.
- the PMP holding mechanism 10 is accommodated in the recessed portion 3c that is recessed by a predetermined depth from the surface 3f of the front panel 3, and the front of the PMP playback unit U2 is covered with the slide door 30. is positioned in the collapsed position of the back side of the slide door 30, that is the rear (direction of arrow Y R). In this state, the front surface of the base base 11 and the front surface of the terminal block 21 are surely located behind the rear surface of the slide door 30 so that mutual interference is reliably avoided.
- FIG. 9A is a perspective view showing the schematic configuration of the lower part of the drive unit 50 from the obliquely lower side
- FIG. 9B is a perspective view showing the schematic configuration of the upper part of the drive unit 50 from the obliquely upper side
- FIG. 9C is a perspective view from obliquely below showing a state before the assembly of the drive unit 50 is completed.
- the drive unit 50 includes a base body (unit base) 60 to which basic components of the unit 50 are assembled.
- the unit base 60 has a substantially quadrangular shape in plan view, and an assembling portion for assembling various constituent elements is formed on the upper surface, the lower surface and the side surface of the unit base 60.
- each component for example, first, for example, a necessary component is assembled on the lower side of the unit base 60 (see FIG. 9A), and then, a required component is installed on the upper side of the unit base 60. Assembling (see FIG. 9B), finally, the lower part of the unit base 60 is assembled (see FIG. 9C), and the assembly of the drive unit 50 is completed.
- a recess 61 having a peripheral shape formed in a circular shape with a predetermined diameter is formed (see FIG. 9B), and an electric motor 51 as a drive source is accommodated in the recess 61.
- a printed circuit board 54 provided with a connector 54a and a control circuit portion 54c is assembled relatively close to the electric motor 51.
- the lower surface of the printed circuit board 54 Is attached with a switch 54s for position detection.
- the position detecting switch 54s when PMP retaining mechanism 10 is in some degree or more advanced position moves (in the direction of arrow Y F in FIGS. 1A ⁇ FIG. 1C etc.) forward, and detects this, The detection signal is input to the circuit unit 54c via the connector 54a. Details of this position detection will be described later.
- the output shaft 51s of the electric motor 51 protrudes below the unit base 60, and a small-diameter drive pulley 52 is coupled to the output shaft 51s (see FIG. 9C).
- the drive pulley 52 is linked to a large-diameter driven pulley 53 via a transmission belt (not shown).
- the driven pulley 53 is rotatably supported by a boss portion B 1 that hangs down from the unit base 60.
- the rotational force of the motor 51 is transmitted to the driven pulley 53 after being decelerated according to the ratio of the diameters of the driving pulley 52 and the driven pulley 53.
- a gear portion 53g (pulley gear) having a predetermined diameter with a toothed portion on the outer periphery is formed on the upper portion of the central boss portion 53b of the driven pulley 53.
- the pulley gear 53g of the driven pulley 53 meshes with the input gear 72 of the first gear set 71 (see FIG. 9A) in the up-down direction constituted by the coaxial input gear 72 and the output gear 73.
- the first gear set 71 is rotatably supported by a boss portion B ⁇ b> 2 that hangs down from the unit base 60.
- the input gear 72 of the first gear set 71 is set to have a larger diameter than the pulley gear 53g, and the rotational force of the motor 51 is further reduced according to the gear ratio between the input gear 72 and the pulley gear 53g. This is transmitted to the first gear set 71.
- the output gear 73 of the first gear set 71 is located on the upper side of the unit base 60, meshes with the input gear 75 of the second gear set 74, and at the same time, the driving rack gear 31 on the rear surface of the slide door 30. Is meshed with a driving gear 70 (first driving gear) that can mesh with the gear.
- the first driving gear 70 is rotatably supported by a boss B4 (see FIG. 9B) erected on the unit base 60.
- the second gear set 74 is arranged in parallel with the first gear set 71 and includes a coaxial input gear 75 and an output gear 76.
- the second gear set 74 is rotatably supported by a boss B3 (see FIG. 9A) arranged on the upper side of the unit base 60.
- the output gear 76 of the second gear set 74 is smaller in diameter than the input gear 75 and is in a vertical position corresponding to the lower groove portion 16b of the drive side portion 16 of the PMP holding mechanism 10 described above.
- the lower groove portion 16b It can mesh with the side rack gear 17 formed inside.
- the output gear 76 of the second gear set 74 meshes with the side rack gear 17 of the PMP holding mechanism 10 and can drive the PMP holding mechanism 10 in the front-rear direction (directions of arrows Y F and Y R ). It functions as a gear (second driving gear).
- FIGS. 9D to 9G are a perspective view from obliquely below showing a state before the drive unit 50 is assembled
- FIG. 9E is a bottom view showing a state before the driven pulley 53 is assembled to the boss portion
- FIG. 9F is a view of FIG. 9E.
- FIG. 6 is a sectional view taken along line L9-L9.
- FIG. 9G is an essential part cross-sectional view showing an enlarged assembly structure of the driven pulley 53 to the boss part.
- the rotating body (the driven pulley 53, the first gear set 71, the second gear set 74) is rotatably assembled to the distal end side of the hollow shaft (the boss portions B1, B2, B3)
- a screw mechanism is not used.
- the rotating body can be rotatably assembled to the distal end side of the hollow shaft while reliably preventing the rotating body from falling off.
- the assembly structure of each of the three rotating bodies (the driven pulley 53, the first gear set 71, and the second gear set 74) on the tip side of each hollow shaft (boss portions B1, B2, B3) is basically the same. Therefore, in the following, an assembly structure in which the driven pulley 53 is assembled to the tip end side of the boss portion B1 will be described as a representative example with reference mainly to FIGS. 9E to 9G.
- the boss B1 standing on the unit base 60 has a hollow structure, and a small-diameter portion B1s having a smaller diameter than the hollow portion B1d of the boss B1 is provided on the tip side.
- the unit base 60 and the boss part B1 formed integrally therewith are obtained by a molding process using synthetic resin as a material.
- the driven pulley 53 is also made of synthetic resin, and the rotation center portion 53b is provided with a cylindrical portion 53c having an inner peripheral portion that fits into the outer peripheral portion of the boss portion B1.
- the pulley gear 53g is formed on the outer peripheral portion of the cylindrical portion 53c.
- a hook portion 53f projecting in the radial direction is provided on the distal end side, and extends substantially along the fitting direction with respect to the boss portion B1 (see the white arrow in FIGS. 9D, 9F, 9G).
- a hook support 53s is provided, and the base end of the hook support 53s and the base end of the cylindrical portion 53c are connected by a thin resin plate 53p.
- the center of the base end portion of the hook support portion 53s is preferably located substantially on the center line Jr (substantially the rotation center line of the driven pulley 53) of the cylindrical portion 53c.
- the radius of the protruding tip 53t of the hook portion 53f is set larger than the radius of the small diameter portion B1s of the boss portion B1 and smaller than the radius of the hollow portion B1d.
- a step B1k is formed by the hollow portion B1d and the small diameter portion B1s by providing a small diameter portion B1s having a smaller diameter than the hollow portion B1d inside the boss portion B1.
- the stepped portion B1k is preferably set so that the inner peripheral side is located closer to the fitting direction (see the white arrow in FIGS. 9D, 9F, 9G) with respect to the boss portion B1 of the cylindrical portion 53c than the outer peripheral side.
- the stepped portion B1k is preferably set so that the inner peripheral side is located closer to the fitting direction (see the white arrow in FIGS. 9D, 9F, 9G) with respect to the boss portion B1 of the cylindrical portion 53c than the outer peripheral side.
- the stepped portion B1k is constituted by a flat surface substantially orthogonal to the direction parallel to the rotation center line Jr, and the protruding portion protrudes by a predetermined amount in the fitting direction on the inner peripheral portion of the flat surface. May be formed.
- the hook part 53f is engaged with the step part B1k of the boss part B1, more preferably, the step part.
- the engaging part 53k with B1k is also set so that the inner side is located closer to the fitting direction (see the white arrow in FIGS. 9D, 9F, 9G) than the outer side.
- the engaging portion 53k is configured by a flat surface substantially orthogonal to the direction parallel to the rotation center Jr, and the outer portion of the flat surface You may form the projection part which protrudes only predetermined amount to the opposite side to a fitting direction.
- the tubular portion 53c of the driven pulley 53 is fitted to the boss portion B1, so that the hook portion 53f on the distal end side of the hook support 53s. Is pushed into the hollow portion B1d through the small-diameter portion B1s on the distal end side of the boss portion B1, and the hook portion 53f is engaged with the stepped portion B1k formed by the hollow portion B1d and the small-diameter portion B1s. Yes.
- the proximal end portion of the hook support portion 53s of the driven pulley 53 and the proximal end portion of the cylindrical portion 53c are connected by the resin thin plate portion 53p, and thus the cylindrical shape of the driven pulley 53 is obtained.
- the hook portion 53f is inserted through the small diameter portion B1s while the inclined surface on the tip end side is pressed by the small diameter portion B1s of the boss portion B1.
- the hook portion 53f can be inserted through the small diameter portion B1s without any trouble.
- the hook portion 53f of the driven pulley 53 is formed by the hollow portion B1d and the small diameter portion B1s of the boss portion B1 as described above after the hook portion 53f of the driven pulley 53 is inserted through the small diameter portion B1s of the boss portion B1 as described above.
- the hook portion 53f of the cylindrical portion 53c of the driven pulley 53 is engaged with the stepped portion B1k, the driven pulley 53 is prevented from falling off from the boss portion B1. That is, when the driven pulley 53 is rotatably assembled to the front end side of the boss portion B1, the driven pulley 53 is reliably prevented from falling off without using a screw mechanism, and the driven pulley 53 is moved to the front end side of the boss portion B1.
- the stepped portion B1k inside the boss portion B1 with which the hook portion 53f of the driven pulley 53 engages is positioned closer to the fitting direction side of the tubular portion 53c with respect to the boss portion B1 than the outer peripheral side.
- the engaging portion 53k of the hook portion 53f with the stepped portion B1k is located on the side in the fitting direction with respect to the outside, it is difficult to disengage the hook portion 53f from the stepped portion B1k.
- the effect of preventing the driven pulley 53 from dropping from the boss B1 is further improved.
- a contact receiving portion B1e is provided on the outer peripheral portion of the boss portion B1 to hold the tip portion 53e of the cylindrical portion 53c when the cylindrical portion 53c of the driven pulley 53 is fitted.
- the pulley 53 is assembled to the distal end side of the boss portion B1, the distal end portion of the boss portion B1 and the thin plate portion are in a state where the distal end portion 53e of the cylindrical portion 53c is held against the contact receiving portion B1e.
- a gap Dc (see a partially enlarged view of FIG. 9G) exists between the terminal 53p and the terminal 53p. The existence of the gap Dc ensures that the driven pulley 53 can freely rotate with respect to the tip side portion of the boss B1 with a simple configuration.
- the driven pulley 53 when the driven pulley 53 is assembled from the distal end to the outer peripheral portion on the distal end side of the boss portion B1, the portion of the engaging portion 53k of the hook portion 53f that is located closest to the fitting direction side.
- a small-diameter portion 53d whose outer diameter is set smaller by a predetermined amount is provided over a range Sd (refer to a partially enlarged view of FIG. 9G) to the corresponding portion.
- the engagement portion 53k of the hook portion 53f is closest to the fitting direction side.
- a small-diameter portion 53d whose outer diameter is set smaller by a predetermined amount is provided over a range Sd up to a portion corresponding to the portion located in the resin.
- FIGS. 9D to 9G The above description related to FIGS. 9D to 9G was for the case where the driven pulley 53 is assembled to the boss portion B1, but for example, the first gear set 71 and the second gear set 74 are assembled to the boss portions B2 and B3, respectively. It can be effectively applied to cases. Further, the present invention is not limited to these cases, and when the rotating body is rotatably assembled to the distal end side of the hollow shaft, the rotating body is reliably prevented from falling off without using a screw mechanism, and the rotating body is attached to the distal end of the hollow shaft. The present invention can also be effectively applied to various other cases in which it can be rotatably assembled to the side.
- a rectangular opening 62 is formed on the front surface of the unit base 60 when viewed from the front, and a flat plate-like positioning piece 81 is inserted into and stored in the opening 62.
- the positioning piece 81 has a tip portion formed in a triangular shape in plan view, and the tip portion can engage with the inclined surface portions of the cam grooves 33 a and 33 b formed on the back surface of the slide door 30.
- the rear end portion of the positioning piece 81, a spring 82 e.g., helical spring: see FIG. 9A
- the positioning piece 81 is normally hold
- a lever member 56 switching lever
- a plate-like main body portion 56b leaf main body
- a first arm 56a a first arm 56a
- a second arm 56c a second arm 56c.
- a pin-shaped rotary column 56p is provided on the lower surface of the lever body 56b so as to protrude downward. The rotary column 56p is inserted into the hole 63 on the upper surface of the unit base 60 and is rotatably supported.
- a lever member 57 that is integrally formed with a main body portion 57b (lever main body) having a cylindrical portion 57d, a first arm 57a, and a second arm 57c is arranged. It is installed.
- a cylindrical portion 57d of the lever main body 57b is fitted to a boss portion B5 hanging from the unit base 60 and is rotatably supported.
- a hook portion 64 is provided in the vicinity of the boss portion B5, and the hook portion 64 prevents the lever main body 57b from coming off downward.
- a spring 83 (for example, a coiled spring: see FIG. 9C) is engaged with the switch lever 57.
- the elastic force of the spring 83 causes the switch lever 57 to always be biased in a predetermined rotational direction.
- the tip end portion of the first arm portion 57a of the switch lever 57 is engaged with the upper groove portion 16a of the driving side portion 16 of the PMP holding mechanism 10 and abuts against the inner wall of the groove portion 16a with a predetermined urging force. Yes.
- FIG. 9H is an enlarged view of the lower end portion of the rotating column 56p of the switching lever 56, (a) is a perspective view of the lower end portion of the rotating column, and (b) is a spring end to the lower end portion of the rotating column.
- a rotation support 56p of the switching lever 56 is rotatably fitted.
- the switching lever 56 is preferably made of synthetic resin, and the rotary support 56p is more preferably formed integrally with the switching lever 56.
- the rotary support 56p is formed in a hollow cylindrical shape, and an engaging portion 56e for engaging the other end of the spring 83 (string wound spring) is provided at the lower end thereof.
- the engaging portion 56e includes a receiving surface (spring receiving surface) 56f that is substantially perpendicular to the longitudinal axis direction of the rotating column 56p, and a latch that is disposed so as to face the spring receiving surface 56f at a terminal portion of the rotating column 56p.
- the outer peripheral portion of the spring locking piece 56g constitutes a part of a circle coaxial with the hollow portion 56t of the rotary support 56p, and the diameter thereof is set smaller than the inner diameter of the hollow portion 56t.
- the one end 83b of the spring 83 is formed into the groove-like shape.
- the upper and lower ends of the one end portion 83b of the spring 83 are received by the spring receiving surface 56f and the spring locking piece 56g, and the side portions thereof are The vertical wall 56h can be received.
- the rotary column 56p is moved downward (by the action of the one end portion 83b of the spring 83 and the spring receiving surface 56f) ( It is reliably prevented from falling down (upward in FIG. 9B). Further, the rotation urging force can be applied to the rotating column 56p through the vertical wall 56 by the one end 83b of the spring 83. That is, with one spring 83, it is possible to apply a rotational biasing force to the switching lever 56 and to provide a retaining effect thereof, thereby simplifying the structure and saving space.
- the outer peripheral portion of the spring locking piece 56g constitutes a part of a circle coaxial with the hollow portion 56t of the rotary support 56p, and the diameter thereof is set smaller than the inner diameter of the hollow portion 56t. Therefore, when the switching lever 56 is molded with resin, it is not necessary to apply a complicated structure such as a slide core to the mold used for molding the rotary support column 56p. That is, when the spring locking piece 56g as an overhang portion is provided at the terminal portion of the rotating column 56p, the size of the spring locking piece 56g is set to be within the diameter range of the hollow portion 56t of the rotating column 56p. As a result, the mold structure could be simplified.
- the PMP retaining mechanism 10 is moved forward (direction of arrow Y F in FIGS. 1A ⁇ FIG 1C, etc.), the tip portion of the first arm portion 57a of the switch lever 57 is formed in a relatively rear portion of the upper groove portion 16a
- the switch lever 57 rotates counterclockwise (CCW direction) in plan view against the urging force of the spring 83.
- the tip end portion of the second arm portion 57c of the switch lever 57 comes into contact with the position detection switch 54s of the printed circuit board 54 to turn on the switch 54s, and this ON signal is sent to the printed circuit via the connector 54a.
- the signal is input to the circuit portion 54c of the substrate 54.
- the position detection switch 54s operates in conjunction with the operation of the switch lever 57, it is possible to detect that the PMP holding mechanism 10 moves forward, and is particularly at the pull-out position.
- FIGS. 10A to 10D are plan views schematically showing the positional relationship and moving operation of the PMP holding mechanism 10, the drive unit 50, and the sliding door 30, and FIG. 10A shows the sliding door in front of the PMP holding mechanism 10.
- 10B shows an initial state in which the front of the PMP holding mechanism 10 is opened and the PMP holding mechanism 10 moves forward
- FIG. 10C shows a state in which the PMP holding mechanism 10 has advanced to the pull-out position.
- 10D shows a state before the PMP holding mechanism 10 is retracted and the front is closed by the slide door 30.
- the first driving gear 70 rotates counterclockwise (CCW direction) with the front of the PMP holding mechanism 10 closed by the slide door 30
- the first driving gear 70 is
- the sliding gear 30 is engaged with the driving rack gear 31 via the idling rack gear 42, and the positioning piece 81 is moved backward (arrow) along the inclined surface of the cam groove 33a of the sliding door 30 against the biasing force of the spring 82.
- Y R pushing direction to move the sliding door 30 to the right (direction of arrow X R).
- the contact surface 32c near the left end of the slide door 30 contacts the tip of the second arm 56c of the switching lever 56, As a result, the switching lever 56 rotates counterclockwise (CCW direction).
- the first driving gear 70 drives the first driving gear 70 in correspondence with the left notch 31b beyond the terminal tooth of the driving rack gear 31 of the slide door 30. until engagement with use rack gear 31 is disengaged, the slide door 30 is moved to the right (direction of arrow X R). At this time, the tip of the first arm portion 56a of the switching lever 56 presses the rear surface of a predetermined portion 26d of the back support 26 of the PMP retaining mechanism 10 forward (direction of arrow Y F). As a result, the PMP holding mechanism 10 is pushed forward, and the side rack gear 17 of the driving side portion 16 of the PMP holding mechanism 10 is engaged with the second driving gear 76 as shown in FIG. 10B.
- the second driving gear 76 meshes with the side rack gear 17, so the drive side portion 16 (and thus the entire PMP holding mechanism 10) is pushed forward to the forward position. Bring it.
- the tip end portion of the first arm 57a of the switch lever 57 abuts on the front inclined surface of the cam-shaped portion 16c of the upper groove portion 16a of the driving side portion 16 of the PMP holding mechanism 10 to ride on the switch lever 57.
- the second arm portion 17 c operates the position detection switch 54 s attached to the printed wiring board 54, thereby stopping the rotation of the electric motor 51 and setting the advance position of the PMP holding mechanism 10. It is to be confirmed.
- the inclined surface portion 16f provided on the front side surface of the drive side portion 16 inclines the left end surface 30f of the slide door 30 that is stopped in a state in which the engagement with the first driving gear 70 is released. It is moved to the further right in the along (the direction of arrow X R), and configured to remove the more reliably meshing of gears.
- FIG. 10C shows the forward completion state (drawn state) of the PMP holding mechanism 10.
- the left end surface 30f of the slide door 30 is stopped against the outer surface of the drive side 16, a first drive gear 70 A clearance with the terminal teeth of the driving rack gear 31 of the sliding door 30 is secured, and the gear is set so as not to mesh.
- the electric motor 51 is rotated in the reverse direction and the second driving gear 76 is rotated in the clockwise direction (CW direction) with the PMP holding mechanism 10 in the forward completion position (drawing position)
- the side rack gear 17 is rotated.
- PMP retaining mechanism 10 is retracted.
- the tip portion of the second arm 56c of switching lever 56 presses the contact face portion 32c of the slide door 30 in the leftward (in the direction of arrow X L), as shown in FIG. 10D, the first drive gear 70 and the slide The drive rack gear 31 of the door 30 is brought into a meshing state. Still it continues to rotate the electric motor 51, the first drive gear 70 when rotated in the clockwise direction (CW direction), the sliding door 30 will move further left (in the direction of arrow X L).
- the slide door 30 is moved further leftward (direction of arrow X L), the inclined surface 30c which is provided on the left side of the rear surface of the sliding door 30, the second the right end front surface of the PMP retaining mechanism 10 is stopped in a state in which engagement is out of the drive gear 76, so as to follow the inclination is further moved backward (direction of arrow Y R), the more reliably meshing gear It is configured to be removed.
- the slide door 30 is brought to a position where the front of the PMP holding mechanism 10 in the retracted position is closed (see FIG. 10A).
- the slide door 30 covers the music playback device 1 that is covered with the slide door 30.
- the PMP holding mechanism 10 in the rear storage position can be automatically moved between the storage position and the pull-out position according to the open / closed state of the slide door 30 without the need for a manual operation that is troublesome for the user. it can.
- the operability of the apparatus 1 can be improved, and interference with the PMP holding mechanism 10 can be reliably prevented when the sliding door 30 is opened and closed.
- the driving force from the single electric motor 51 as a driving source is selectively selected between the power transmission path for moving the slide door 30 and the power transmission path for moving the PMP holding mechanism 10.
- a single drive source ( The electric motor 51) can move the slide door 30 and the PMP holding mechanism 10 without any trouble.
- the front panel 3 is supported in a substantially vertical state, and therefore music reproduction is performed using the compact disc (CD) 5 as an external sound source.
- the CD playback unit U1 is used as a so-called vertical type disk device.
- CD playback unit U1 when the disk 5 is attached to or detached from the turntable 8 that rotatably supports the disk (CD) 5, the user does not drop the CD 5.
- the turntable 8 normally clamps the central hole portion 5h of the disk 5 with three claws called “claw clamps” provided in the central boss portion 8b, so that the rotational force of the motor 7 can be reliably increased. I am trying to tell you. Therefore, when the disc 5 is mounted on the turntable 8, the center hole portion 5h of the disc 5 is aligned with the center boss portion 8b of the turntable 8, and the disc 5 is pushed into the clamping claw. Since a work for applying a force to push in is required and the work must be performed in a substantially vertical direction, it has never been an easy work for the user.
- FIG. 11A is a schematic cross-sectional view of the disk device (CD playback unit) U1 cut along the line L11-L11 in FIG.
- FIG. 11B is a cross-sectional view similar to FIG. 11A showing a state in which the disk is being loaded.
- FIG. 11C is an enlarged cross-sectional view showing a main part of FIG. 11B.
- FIG. 11D is a cross-sectional view similar to FIG.
- the front panel 3 in the area corresponding to the disk device U1 is stepped down from the surface 3f by a predetermined amount (some amount), A step-down surface 3d for accommodating the disk (CD) 5 is formed, and the turntable 8 is attached with the step-down surface 3d as a base surface.
- the turntable 8 is fixed to the output shaft 7 s of the motor 7 disposed in the exterior case 2 on the back side of the front panel 3.
- the turntable 8 has a boss 8b in the center for fitting the central hole 5h of the disk 5.
- Three conventionally known claw clamps 8c are mounted on the central boss portion 8b.
- a pocket portion 3p that can accommodate the lower end portion of the disk 5 is formed in an area corresponding to the lower end portion of the stepped surface 3d.
- the pocket portion 3p includes a stepped surface 3d in a region corresponding to the lower end portion, and a stepped wall 3s joined so as to span the surface 3f of the front panel 3 and the stepped surface 3f at the lower end portion,
- the vertical wall 3t is formed so as to rise from the front edge of the stepped wall 3s by a predetermined height.
- the pocket portion 3p is such that at least a part of the front end portion of the central boss portion 8b of the turntable 8 is in the inner peripheral range of the central hole portion 5h of the disc 5 in a state where the lower end portion of the disc 5 is accommodated. Is set.
- the pocket portion 3p that can accommodate the lower end portion of the disc 5 is provided at the lower end portion of the step-down surface 3d where the turntable 8 is disposed.
- the pocket portion 3p accommodates the lower end portion of the disc 5, and at least a part of the tip portion of the central boss portion 8b of the turntable 8 is in the inner peripheral range of the central hole portion 5h of the disc 5.
- the work is divided into a temporary placement operation for accommodating the lower end portion of the disk 5 in the pocket portion 3p and a work for pressing the disk 5 against the turntable 8 and pushing the clamp claws 8c.
- the taper surface 8t provided at the peripheral edge at the tip of the central boss 8b of the turntable 8 guides the central hole 5h of the disk 5.
- the disc 5 can be rotated with an appropriate clearance around the disc 5 as shown in FIG. 11D, and the disc 5 can be easily mounted without risk of dropping off the disc. I made it.
- the slide door 30 opens the front side of the turntable 8
- the lower end portion of the disk 5 is accommodated in the pocket portion 3p, and the inner wall 30k of the slide door 30 is formed.
- at least a part of the tip part of the central boss part 8b of the turntable 8 is in the inner peripheral range of the central hole part 5h of the disk 5.
- the lower end of the disk 5 is supported by the pocket portion 3p, and a part of the side surface of the inner wall 30k of the slide door 30 is supported.
- the disc 5 can be temporarily placed in a more reliably supported state.
- the present invention can be effectively used as a music playback apparatus capable of playing back two external sound sources of different types such as CD and PMP.
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Abstract
Description
更に、このように種類が異なる2つの外部音源の再生に対応可能な音楽再生装置において、CDを保持可能なCD保持機構を有するCD用の再生ユニットと、PMPを保持可能なPMP保持機構を有するPMP用の再生ユニットとが並べて配置され、両再生ユニットの少なくとも何れか一方を開閉可能に覆う開閉扉が備えられたものが知られている。
また、この発明は、PMPの端子ソケット部をPMP保持機構のコネクタ端子に接続する際の作業性を向上させることを、他の目的としてなされたものである。
これらの図に即してより詳しく説明すれば、前記音楽再生装置1(以下、適宜、単に「装置」と略称する)は、CD5を外部音源として音楽再生を行うCD再生ユニットU1とPMP6を外部音源として音楽再生を行うPMP再生ユニットU2とを備え、両再生ユニットU1,U2は、例えば正面視で、例えば左右方向に並べて配置されている。
尚、CD再生ユニットU1において、CD5を外部音源として音楽再生を行うための構成、及びPMP再生ユニットU2において、PMP6を外部音源として音楽再生を行うための構成は、共に従来公知のものと同様であるので、その詳細な説明は省略する。
より具体的に説明すれば、両方の再生ユニットU1,U2の前方(矢印YFの方向)を共に覆い隠す全閉位置(図1A参照)を初期位置とし、この初期位置からスライドドア30が図における左方向(矢印XLの方向)へ所定量移動すると、PMP再生ユニットU2の前方は閉じたままで、CD再生ユニットU1の前方のみを開放する第1の開放位置(図1B参照)に至る。このスライドドア30が第1の開放位置にあるときには(第1の開放状態)、ユーザは、CD再生ユニットU1のターンテーブル8に対して、CD5の着脱を自在に行うことができる。
これらの図に示すように、前面パネル3の上縁,下縁の近傍の前面側には、スライドドア30のスライド動作を案内するために、当該上縁,下縁に沿って図における左右方向(矢印XL,XRの方向)へ延設された上下一対の平行なガイドレール3a,3bが備えられている。前述のPMP再生ユニットU2とCD再生ユニットU1とは、これら上下のガイドレール3a,3b間において左右に並べて配置されることになる。
更に、例えばこの駆動ユニット50の近傍には、後述するように、スライドドア30のスライド動作時に当該スライドドア30の脱落を防止するための脱落防止用突起部3eが配置されている。
そして、これらドア位置検出用スイッチSw1,Sw2,Sw3のON/OFF状態を検知することにより、スライドドア30が、両方の再生ユニットU1,U2の前方を共に覆い隠す全閉位置(図1A参照),PMP再生ユニットU2の前方は閉じたままでCD再生ユニットU1の前方のみを開放する第1の開放位置(図1B参照)、或いはCD再生ユニットU1の前方は閉じたままで、PMP再生ユニットU2の前方のみを開放する第2の開放位置(図1C参照)の、何れの位置に在るかを知ることができる。
図4Aに示されるように、スライドドア30の図における左側領域には、PMP6の表示ディスプレイに対応したサイズ及び形状の開口窓部38が形成されており、この窓部38は、スライドドア30が全閉位置(図1A参照)にあるときにPMP6の表示ディスプレイに対応する位置にあるように位置設定されている。従って、スライドドア30の前面側を覆って装飾する飾り板39(図4G参照)として、透明もしくは半透明のものを用いることにより、スライドドア30が全閉位置にあっても、PMP6の表示ディスプレイを外部から視認することが可能になる。
前記スイッチSw1がONすることにより、スライドドア30が前述の全閉位置(図1A参照)に在ることが検出され、また、スイッチSw3がONすることにより、スライドドア30が前述の第1の開放位置(図1B参照)に在ることが検出される。更に、スイッチSw2がONした場合には、スライドドア30が第1の開放位置方向に移動し始めると直ぐに、安全性確保のために、CD読み取り用レーザ光の発光を停止させるように、構成されている。
ラックギア31の略中央部にはギアが刻まれていない中央切欠部31aが設けられており、スライドドア30の全閉状態(図1A参照)では中央切欠部31aが第1原動ギア70と対応し、当該第1原動ギア70とラックギア31との噛み合いが外れるようになっている。また、ラックギア31の左端部にもギアが刻まれていない左端切欠部31bが設けられており、スライドドア30がPMP保持機構10の前方を開放した第2の開放位置(図1C参照)にあるときには、左端切欠部31bが第1原動ギア70と対応し、やはり当該第1原動ギア70とラックギア31との噛み合いが外れるようになっている。
以上のように構成されたスライドドア30の前面側には、スライドドア30の前面を覆って装飾するために、例えば半透明の飾り板39が貼り付けられる(図4G参照)。
これらの図に示されるように、アイドリングラック41は、前記駆動用ラックギア31に沿ってその上側のスペース35内に組み込まれるもので、スライドドア30の裏面において左右方向に延設された横方向壁部34と駆動用ラックギア31の上面との間のスペース35内で、左右方向に自在にスライドすることができる。アイドリングラック41の長手方向の大部分にはラックギア42(アイドリングラックギア)が刻まれており、このアイドリングラックギア42のモジュールは、スライドドア30の駆動用ラックギア31のモジュールと同一に設定されている。
これにより、アイドリングラック41は、図5Bに詳しく示すように、横方向壁部34と駆動用ラックギア31の上面との間のスペース35内で、左右方向(図5Bにおける紙面に垂直方向)に自在にスライドでき、しかも、フック部43が少なくとも横方向壁部34と係合することにより、アイドリングラック41がスライドドア30から背面側に抜け落ちることを確実に防止できる。
図5Cは、このカム形状部45が、スライドドア30の裏面に設けられた溝部36に係合している状態を拡大して示す断面図である。アイドリングラック41が例えば図5Aにおける右方向へスライド移動する場合、移動の終端時には、カム形状部45の端面45fが溝部36の壁面36fに当接すると共に、カム形状部45が溝部36内に入り込み、リーフ部44の軽いバネ圧力でその位置に留まるよう設定されている。
図6Aは、アイドリングラック41が矢印XR方向に移動して、アイドリングラック41のカム形状部45の端面45fがスライドドア30の溝部36の壁面36fに当接した状態を示しており、この状態で、スライドドア30の駆動用ラックギア31とアイドリングラック41のアイドリングラックギア42の位相が合うように構成されている。
このように構成したことで、スライドドア30の駆動用ラックギア31の中央切欠部31aの歯部欠落部分についても、アイドリングラックギア42が第1原動ギア70と噛み合うことにより、駆動ユニット50側とスライドドア30側とで、ギアの噛合関係を途切れることなく連続的に維持することができる。
図6Aの状態では、前述の位置決めピース81がスライドドア30の裏面に形成されたカム溝33aに係合することにより、中央切欠部31aが第1原動ギア70と対応し、当該第1原動ギア70と駆動用ラックギア31との噛み合いが外れている。しかし、アイドリングラックギア42と第1原動ギア70とは噛合っているため、第1原動ギア70を図6A(a)における時計回り方向(CW方向)に回転させると、スライドドア30は静止したままで、アイドリングラック41が矢印XL方向に移動して、図6Bに示す状態となる。
もし、スライドドア30の駆動用ラックギア31に中央切欠部31aが設けられていない場合、全閉位置検出スイッチから出力されるモータ停止信号によってモータの回転が停止されるが、モータの回転子の慣性によるオーバラン、或いはスライドドア30の負荷のばらつきに起因する制動負荷の変化などにより、スライドドア30の停止位置が一定しないことになる。
第1原動ギア70が時計回り方向(CW方向)に回転すると、スライドドア30は駆動用ラックギア31によって矢印XL方向に移動し、中央切欠部31aでのラックギア終端を超えると、第1原動ギア70と駆動用ラックギア31との噛み合いが外れることによりギア伝達が切れる時点で、位置決めピース81がカム溝33aの傾斜面に沿って係合し、位置決めピース81に作用するバネの付勢力で、スライドドア30はセンタ位置で停止する。
これらの図に示すように、PMP保持機構10は、基本的な構成要素として、PMP保持機構10全体のベースとなるベース基台11と、駆動ユニット50からの駆動力が入力される駆動側部16と、PMP6の底部を支持する端子台21と、PMP6の背部を支持する背もたれとしての背部支持体26と、を備えている。
このように組み立てられたPMP保持機構10は、前面パネル3の表面3fから所定深さ窪んだ窪み部3c内にて、前後方向(矢印YF,YRの方向)へ所定量だけ移動できるように収容されている(図2参照)。
本実施形態では、より好ましくは、端子台21の底面に反射鏡24が貼り付けられており、ユーザがPMP6を端子台21上に搭載する際には、PMP6の底部の端子ソケット部が反射鏡24に映し出され、コネクタ端子20bと接続されるべき部分(PMP6の端子ソケット部)を、PMP6の挿入方向(上方)から視認でき、容易にコネクタ端子20bに嵌め合わせることができるようにしている。これにより、PMP6の装着作業性を大いに向上させることができる。
そして、スライドドア30を移動させてPMP保持機構10の前方の覆いが開放されると、このスライドドア30の移動動作と連動してPMP保持機構10が前記収納位置から前方(矢印YFの方向)へ引き出され、引き出し位置(図1C参照)に移動するように構成されている。この引き出し状態では、背部支持体26の支持面(前面)が前面パネル3の表面3fと略面一となるように設定されており、PMP保持機構10に対するPMP6の着脱を容易に行えるようになっている。
これらの図に示すように、駆動ユニット50は、当該ユニット50の基本的な構成要素を組み付けるベース体(ユニットベース)60を備えている。該ユニットベース60は、その全体形状が平面視で略四角形状をなし、その上面,下面および側面に各種の構成要素を組み付けるための組付部が形成されている。
各構成要素をユニットベース60に組み付ける際には、例えば、先ず、例えばユニットベース60の下側に所要の構成要素を組み付け(図9A参照)、次いで、ユニットベース60の上側に所要の構成要素を組み付け(図9B参照)、最後に、ユニットベース60の下側部分の組立を行って(図9C参照)、駆動ユニット50の組立を完了する。
この第1ギアセット71の出力ギア73は、ユニットベース60の上側に位置しており、第2ギアセット74の入力ギア75と噛合し、また、同時に、前記スライドドア30裏面の駆動用ラックギア31と噛合可能な原動ギア70(第1原動ギア)と噛合している。この第1原動ギア70は、ユニットベース60上に立設されたボス部B4(図9B参照)によって回転自在に支持されている。
すなわち、この第2ギアセット74の出力ギア76は、PMP保持機構10の側部ラックギア17と噛合して当該PMP保持機構10を前後方向(矢印YF,YRの方向)に駆動し得る原動ギア(第2原動ギア)として機能するものである。
図9Dは、駆動ユニット50の組立前の状態を示す斜め下方からの斜視図、図9Eは、従動プーリ53のボス部への組付前の状態を示す底面図、図9Fは、図9EのL9-L9線に沿った断面図である。また、図9Gは、従動プーリ53のボス部への組付構造を拡大して示す要部断面図である。
また、従動プーリ53も同じく合成樹脂製であり、その回転中心部分53bには、前記ボス部B1の外周部に嵌合する内周部を有する筒状部53cが設けられている。この筒状部53cの外周部に前記プーリギア53gが形成されている。筒状部53cの内部には、半径方向に張り出すフック部53fを先端側に有して前記ボス部B1に対する嵌合方向(図9D,F,Gにおける白抜き矢印参照)に略沿って伸長するフック支柱部53sが配設され、該フック支柱部53sの基端部と前記筒状部53cの基端部とは樹脂製の薄板部53pで連結されている。前記フック支柱部53sの基端部の中心は、好ましくは、ほぼ筒状部53cの中心線Jr(実質的に、従動プーリ53の回転中心線)上に位置している。また、前記フック部53fの張り出し先端部53tの半径は、ボス部B1の前記小径部B1sの半径よりも大きく、且つ、前記中空部B1dの半径よりも小さく設定されている。
例えば図9Gの部分拡大図に示すように、段差部B1kを傾斜面で構成し、この傾斜面を、回転中心線Jrと平行な方向に対して90度よりも小さい角度α(例えば、α=80度)を持って傾斜するように設定することで、内周側が外周側よりも前記筒状部53cのボス部B1に対する嵌合方向側に位置するように設定することができる。或いは、この代わりに、段差部B1kを回転中心線Jrと平行な方向に対して略直交する平坦面で構成し、この平坦面の内周部に前記嵌合方向へ所定量だけ突出する突起部を形成してもよい。
例えば図9Gの部分拡大図に示すように、係合部53kを傾斜面で構成し、この傾斜面を、回転中心線Jrと平行な方向に対して90度よりも小さい角度β(例えば、β=α=80度)を持って傾斜するように設定することで、内側が外側よりも前記筒状部53cのボス部B1に対する嵌合方向側に位置するように設定することができる。尚、角度βと角度αの大小関係について、上述のようにβ=αでない場合には、β>αよりもβ<αの方が好ましい。また、このように係合部53kを傾斜面で形成する代わりに、係合部53kを回転中心Jrと平行な方向に対して略直交する平坦面で構成し、この平坦面の外側部に前記嵌合方向と反対側へ所定量だけ突出する突起部を形成してもよい。
前述のように、従動プーリ53のフック支柱部53sの基端部と筒状部53cの基端部とは樹脂製の薄板部53pで連結されており、このように、従動プーリ53の筒状部53cをボス部B1の先端側から嵌合させる際には、フック部53fは、その先端側の傾斜面がボス部B1の小径部B1sで押圧されながら当該小径部B1sを挿通するが、前記薄板部53pとフック支柱部53sとが適切に撓むことにより、フック部53fが支障なく前記小径部B1sを挿通することができるように構成されている。
すなわち、ボス部B1の先端側に従動プーリ53を回転可能に組み付けるに際して、ネジ機構を用いることなく、従動プーリ53の脱落を確実に防止した上で当該従動プーリ53をボス部B1の先端側に回転可能に組み付けることができる。これにより、組付工程の作業性向上および部品点数の削減を図ることができ、また、ネジ機構を用いた場合のように、ボス部B1の先端側に膨れやクラック若しくは破損などの不具合が生じるおそれも無くすることができる。
また、フック部53fの前記段差部B1kとの係合部53kは、内側が外側よりも前記嵌合方向側に位置していることにより、フック部53fの段差部B1kに対する係合が外れ難くなり、従動プーリ53のボス部B1からの脱落に対する防止効果がより向上する。
とりわけ、フック部53fの前記段差部B1kとの係合部53k及び前記段差部B1kの両方を上述のように構成することにより、組付状態では、双方で所謂「食い込み構造」が形成されることとなり、容易に外れることがない。
ここで、バネ83によって切換レバー56に抜け止め効果を付与し回転付勢力を加える構成について、主として図9Hを参照しながら説明する。図9Hは、切換レバー56の回転支柱56pの下端部分を拡大して示す図であり、(a)は回転支柱の下端部分の斜視図,(b)は回転支柱の下端部分へのバネ端部の係合状態を示す底面図,(c)は回転支柱の下端部分へのバネ端部の係合状態を示す側面図である。
この係合部56eは、回転支柱56pの長手軸方向に略垂直な受け面(バネ受け面)56fと、回転支柱56pの端末部において前記バネ受け面56fと略平行に対向配置された係止片(バネ係止片)56gと、該バネ係止片56gと前記バネ受け面56fとを掛け渡して結合する縦壁56hとで、一方向(縦壁56hの対抗方向)が開放した溝状に形成されている。尚、前記バネ係止片56gの外周部は、回転支柱56pの中空部56tと同軸の円の一部を構成し、その直径は、中空部56tの内径よりも小さく設定されている。
この時、切換レバー56の第1アーム部56aの先端部が、PMP保持機構10の背部支持体26の裏面の所定部分26dを前方(矢印YFの方向)に押圧する。これにより、PMP保持機構10が前方へ押されて、図10Bに示されるように、PMP保持機構10の駆動側部16の側部ラックギア17が第2原動ギア76と噛み合い状態となる。
このとき、スイッチレバー57の第1アーム57aの先端部分がPMP保持機構10の駆動側部16の上側溝部16aのカム形状部16cの前部傾斜面に当接して乗り上げることにより、スイッチレバー57が反時計回り方向(CCW方向)に回動する。そして、これに伴って、第2アーム部17cが、プリント配線基板54に取り付けられた位置検出用スイッチ54sを作動させることにより、電動モータ51の回転を停止させ、PMP保持機構10の前進位置を確定するようになっている。
また、この時、駆動側部16の前部側面に設けている傾斜面部16fが、第1原動ギア70との噛み合いが外れた状態で停止しているスライドドア30の左端面30fを、傾斜に沿うようにして更に右方(矢印XRの方向)へ移動させ、より確実にギアの噛み合いを外すように構成している。
このPMP保持機構10が前進完了位置(引き出し位置)にある状態で電動モータ51を逆方向に回転駆動させ、第2原動ギア76を時計回り方向(CW方向)に回転させると、側部ラックギア17が後方(矢印YRの方向)へ移動し、従ってPMP保持機構10が後退する。このPMP保持機構10の後退動作に伴って、背部支持体26の裏面の所定部分26dが切換レバー56の第1アーム56aの先端部分に当接し、この切換レバー56を時計回り方向(CW方向)に回転させる。
第1原動ギア70とスライドドア30の駆動用ラックギア31とが噛み合った後も、第2原動ギア76は回転し続けるが、PMP保持機構10が後退して行くことにより、第2原動ギア76とPMP保持機構10の側部ラックギア17との噛み合いは外れることになる。
なおも電動モータ51が回転し続けることにより、スライドドア30は更に左方(矢印XLの方向)に移動し、スライドドア30の裏面の左端面側に設けている傾斜面30cが、第2原動ギア76との噛み合いが外れた状態で停止しているPMP保持機構10の右端前面を、傾斜に沿うようにして更に後方(矢印YRの方向)へ移動させ、より確実にギアの噛み合いを外すように構成している。更に電動モータ51が回転し続けることにより、スライドドア30は、後退位置にあるPMP保持機構10の前方を閉じる位置まで持ち来されることになる(図10A参照)。
一般に、このような縦置きタイプのディスク装置(CD再生ユニット)U1では、ディスク(CD)5を回転可能に支持するターンテーブル8に対してディスク5を着脱する場合、ユーザはCD5を落とさないように注意しながら、多くの場合、両手を用いて着脱作業を行う必要があり、ユーザにとって、煩わしい作業が求められることになる。
図11Aは、前述の図2のL11-L11線に沿って切断して示したディスク装置(CD再生ユニット)U1の概略的な断面図である。また、図11Bは、ディスク装着途中の状態を示す前記図11Aと同様の断面図である。更に、図11Cは、前記図11Bの要部を拡大して示す要部拡大断面図である。また更に、図11Dは、ディスク装着完了状態を示す前記図11Aと同様の断面図である。
前記ポケット部3pは、ディスク5の下端部分を収容した状態で、ターンテーブル8の中央ボス部8bの先端部分の少なくとも一部がディスク5の中央穴部5hの内周範囲に在る、ように設定されている。
5 コンパクトディスク(CD)
6 携帯メディアプレーヤ(PMP)
8 ターンテーブル
9 光ピックアップ
10 PMP保持機構
11 ベース基台
16 駆動側部
17 側部ラックギア
21 端子台
24 反射鏡
26 背部支持体
29 バネ
30 スライドドア
31 駆動用ラックギア
41 アイドリングラック
50 駆動ユニット
51 電動モータ
56 切換レバー
56a 切換レバーの第1アーム
56c 切換レバーの第2アーム
57 スイッチレバー
70 第1原動ギア
76 第2原動ギア
81 位置決めピース
82,83 バネ
Pt1,Pt2,Pt3 (スライドドア裏面の)突起部
Sw1,Sw2,Sw3 位置検出用スイッチ
U1 CD再生ユニット
U2 PMP再生ユニット
Claims (10)
- 第1の外部音源を保持可能な第1保持体を有する第1の外部音源用の第1再生ユニットと、第2の外部音源を保持可能な第2保持体を有する第2の外部音源用の第2再生ユニットとが並べて配置され、前記第1再生ユニットと前記第2再生ユニットの少なくとも何れか一方を開閉可能に覆う開閉扉が備えられた音楽再生装置であって、
前記開閉扉で開閉可能に覆われる少なくとも何れか一方の保持体について、前記開閉扉で覆われた状態では当該開閉扉よりも奥側の収納位置に位置しており、前記開閉扉を移動させて当該保持体に対する覆いが開放されると、前記収納位置から引き出されて引き出し位置に移動するように構成されている、
ことを特徴とする音楽再生装置。 - 前記開閉扉の移動方向と前記保持体の移動方向とは略直交しており、単一の駆動源からの駆動力を、前記開閉扉を移動させる第1動力伝達経路と前記保持体を移動させる第2動力伝達経路との間で、選択的に且つ略連続的に切り換えて伝達する切換手段を備えている、ことを特徴とする請求項1に記載の音楽再生装置。
- 前記単一の駆動源からの回転駆動力により、所定の減速機構を介して常時回転させられる第1及び第2の原動ギアが設けられ、
前記開閉扉は、当該開閉扉の移動方向に延設され前記第1原動ギアと噛合可能な開閉扉ラックギアと、前記切換手段の切換レバーの一端側と係合可能な開閉扉係合部とを備え、前記再生ユニット部の全体を覆う全閉位置と、前記第2保持体のみを覆い前記第1保持体に対する覆いを開放する第1開放位置と、前記第1保持体のみを覆い前記第2保持体に対する覆いを開放する第2開放位置との間で移動可能であり、
前記第2保持体は、当該第2保持体の移動方向に延設され前記第2原動ギアと噛合可能な保持体ラックギアと、前記切換手段の切換レバーの他端側と係合可能な保持体係合部とを備え、前記収納位置と前記引き出し位置との間で移動可能であり、
前記開閉扉が前記全閉位置から前記第2開放位置へ移動する際には、前記開閉扉係合部が前記切換レバーの一端側を押圧することにより、当該切換レバーの他端側が保持体係合部を押圧して、前記第2保持体を前記収納位置から前記引き出し位置に向かって移動させ、これにより、前記第2原動ギアが前記保持体ラックギアと噛合して、前記第2保持体を前記引き出し位置へ持ち来たし、
前記第2保持体が前記引き出し位置から前記収納位置へ移動する際には、前記保持体係合部が前記切換レバーの他端側を押圧することにより、当該切換レバーの一端側が開閉扉係合部を押圧して、当該開閉扉を前記第2開放位置から前記全閉位置に向かって移動させ、これにより、前記第1原動ギアが前記開閉扉ラックギアと噛合して、当該開閉扉を前記全閉位置へ持ち来たす、
ことを特徴とする請求項2に記載の音楽再生装置。 - 前記開閉扉を前記全閉位置または前記第2開放位置に位置決めする位置決め部材が備えられる一方、
前記開閉扉の裏面には、前記開閉扉が前記全閉位置と前記第2開放位置にあるときには前記位置決め部材とそれぞれ係合可能な傾斜面部を有するカム溝がそれぞれ設けられ、
前記開閉扉ラックギアには、前記開閉扉が前記全閉位置と前記第2開放位置にある状態ではそれぞれ前記第1原動ギアとの噛み合いが外れるように切欠部がそれぞれ設けられており、
前記開閉扉が前記全閉位置または前記第2開放位置に移動して、前記開閉扉ラックギアと前記第1原動ギアとの噛み合いが外れる際には、前記位置決め部材が対応する前記カム溝の傾斜面部を、前記開閉扉ラックギアの前記切欠部近傍の終端歯と前記第1原動ギアとが離間する方向に押圧しながら、前記カム溝と係合する、
ことを特徴とする請求項3に記載の音楽再生装置。 - 前記第2保持体を前記収納位置または前記引き出し位置に位置決めする第2位置決め部材が備えられる一方、
前記第2保持体の側部には、前記第2位置決め部材と係合可能な傾斜面部を有するカム形状部が設けられ、
前記保持体ラックギアには、前記第2保持体が前記収納位置にある状態では前記第2原動ギアとの噛み合いが外れるように切欠部が設けられており、
前記第2保持体が前記収納位置に移動して、前記保持体ラックギアと前記第2原動ギアとの噛み合いが外れる際には、前記第2位置決め部材が、前記カム形状部の傾斜面部を、前記保持体ラックギアの前記切欠部近傍の終端歯と前記第2原動ギアとが離間する方向に押圧しながら、前記カム形状部と係合する、
ことを特徴とする請求項3又は4に記載の音楽再生装置。 - 前記開閉扉ラックギアには、前記開閉扉が前記第2開放位置にある状態では前記第1原動ギアとの噛み合いが外れるように切欠部が設けられ、
前記第2保持体の引き出し側で且つ前記開閉扉に近い側の側端部には、所定角度で傾斜する傾斜面部が設けられており、
前記開閉扉が前記第2開放位置へ移動して、前記開閉扉ラックギアと前記第1原動ギアとの噛み合いが外れた状態で、前記第2保持体が前記収納位置から前記引き出し位置へ移動する際には、前記第2保持体の前記傾斜面部が前記開閉扉の前記第2保持体に近い側の側端部を押して、前記開閉扉ラックギアと前記第1原動ギアとの噛み合いが外れる方向に移動させ、
前記第2保持体が前記引き出し位置にあるときには、前記開閉扉を前記第2保持体側に押圧しても、両者の側端部どうしが当接することで前記開閉扉の前記第2保持体側への移動が阻止される、
ことを特徴とする請求項3から5の何れか一に記載の音楽再生装置。 - 前記保持体ラックギアには、前記第2保持体が前記収納位置にある状態では前記第2原動ギアとの噛み合いが外れるように切欠部が設けられ、
前記開閉扉の裏面側で且つ前記第2保持体に近い側の側端部には、所定角度で傾斜する傾斜面部が設けられており、
前記第2保持体が前記収納位置へ移動して、前記保持体ラックギアと前記第2原動ギアとの噛み合いが外れた状態で、前記開閉扉が前記第2開放位置から前記全閉位置へ移動する際には、前記開閉扉の裏面側の前記傾斜面部が前記第2保持体の引き出し側の端部を押して、前記保持体ラックギアと前記第2原動ギアとの噛み合いが外れる方向に移動させ、
前記開閉扉が前記全閉位置にあるときには、前記第2保持体を前記引き出し側に押圧しても、当該第2保持体の引き出し側の端部が前記開閉扉の裏面に当接することで前記第2保持体の引き出し側への移動が阻止される、
ことを特徴とする請求項3から6の何れか一に記載の音楽再生装置。 - 前記第2保持体が前記引き出し位置にあることを検出する第2の位置検出スイッチが備えられると共に、前記第2保持体を前記収納位置または前記引き出し位置に位置決めする第2位置決め部材が備えられており、前記第2の位置検出スイッチは、前記第2位置決め部材の動作に連係して作動する、ことを特徴とする請求項3から7の何れか一に記載の音楽再生装置。
- 前記第2保持体は、前記収納位置と前記引き出し位置との間で移動可能に配設されたベース基台と、該ベース基台に固定されて前記第2の外部音源の背面を支持する背部支持体と、前記ベース基台によって前後方向へ揺動可能に支持された端子台と、該端子台に取り付けられた前記第2の外部音源接続用のコネクタ端子と、を備え、
前記ベース基台および前記背部支持体の少なくとも何れか一方と前記端子台との間には、前記コネクタ端子に接続された前記第2の外部音源を前記背部支持体に押し付ける付勢力を作用させる付勢手段が設けられている、
ことを特徴とする請求項3から8の何れか一に記載の音楽再生装置。 - 着脱可能な外部音源として携帯メディアプレーヤを用いることができる音楽再生装置であって、
所定方向から装着される前記携帯メディアプレーヤを受け合う取付面部を有する端子台と、
該端子台の取付面部に装備され、前記携帯メディアプレーヤの端子ソケット部が接続されるコネクタ端子と、
前記端子台の取付面部に配設され、前記携帯メディアプレーヤの端子ソケット部を前記コネクタ端子に接続する際に少なくとも前記端子ソケット部を映し出す、鏡面部材と、
を備えている、ことを特徴とする音楽再生装置。
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CN109348359B (zh) * | 2018-10-29 | 2020-11-10 | 歌尔科技有限公司 | 一种音响设备及其音效调整方法、装置、设备、介质 |
KR102624550B1 (ko) * | 2018-11-15 | 2024-01-12 | 삼성전자주식회사 | 자동 개폐식 슬라이드 도어를 포함하는 전자 장치 |
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JP2006060356A (ja) * | 2004-08-18 | 2006-03-02 | Matsushita Electric Ind Co Ltd | テレビジョン受像機 |
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- 2011-12-09 JP JP2013505654A patent/JP5857271B2/ja not_active Expired - Fee Related
- 2011-12-09 EP EP11871100.1A patent/EP2790188A4/en not_active Withdrawn
- 2011-12-09 US US13/819,896 patent/US9204567B2/en not_active Expired - Fee Related
- 2011-12-09 WO PCT/JP2011/006895 patent/WO2013084271A1/ja active Application Filing
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JPH11126470A (ja) * | 1997-10-20 | 1999-05-11 | Sony Corp | ディスク記録再生装置 |
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JP2015069682A (ja) * | 2013-09-30 | 2015-04-13 | ティアック株式会社 | 携帯端末用接続トレイ装置 |
Also Published As
Publication number | Publication date |
---|---|
JP5857271B2 (ja) | 2016-02-10 |
EP2790188A4 (en) | 2015-12-09 |
JPWO2013084271A1 (ja) | 2015-04-27 |
US20130314857A1 (en) | 2013-11-28 |
US9204567B2 (en) | 2015-12-01 |
EP2790188A1 (en) | 2014-10-15 |
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