CN1460266A - Shutter mounting structure and disk device with shutter mounting structure - Google Patents

Shutter mounting structure and disk device with shutter mounting structure Download PDF

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Publication number
CN1460266A
CN1460266A CN02801032A CN02801032A CN1460266A CN 1460266 A CN1460266 A CN 1460266A CN 02801032 A CN02801032 A CN 02801032A CN 02801032 A CN02801032 A CN 02801032A CN 1460266 A CN1460266 A CN 1460266A
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CN
China
Prior art keywords
plate washer
disc holder
dish
gear
mounting structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN02801032A
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Chinese (zh)
Inventor
中村光典
荒井丰和
真部悟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsumi Electric Co Ltd
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Mitsumi Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsumi Electric Co Ltd filed Critical Mitsumi Electric Co Ltd
Publication of CN1460266A publication Critical patent/CN1460266A/en
Pending legal-status Critical Current

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    • 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

Abstract

A shutter mounting structure allowing an easy mounting of a shutter on a front bezel and eliminating the need of skill for mounting operation and a disk device with the shutter mounting structure; the disk device, comprising the shutter (49) opened/closed according to the unloading and loading of a disk tray for mounting a disk thereon and a front bezel (46) for supporting the shutter (49), wherein circular parts (493a, 493b) and at least a pair of flat surface parts (492a, 492b) are provided on the outer peripheral surfaces of shaft parts (491a, 491b) installed at the longitudinal both end parts of the shutter (49), rotatably supporting the shutter (49), and functioning as the center of rotation of the shutter, guide groove parts (471a, 471b) for guiding the shaft parts (491a, 491b) are provided on the upper side of the recessed parts (470a, 470b) provided in the front bezel (46) and supporting the shaft parts (491a, 491b), and the interval between the pair of flat surface parts (492a, 492b) is generally made equal to the width between the guide groove parts (471a, 471b).

Description

Plate washer mounting structure and the dish device of plate washer is housed
Technical field
The present invention relates to for the mounting structure of the plate washer of the preceding besel of disk drive device and use the dish device of this mounting structure.
Background technology
In the past, the preceding besel of disk drive device was provided with and makes disc holder from this preceding besel opening of coming in and going out and the plate washer that covers this opening.
Figure 48 is the front view of the preceding besel of existing dish device; Figure 49 is the front view of the plate washer of existing dish device; Figure 50 (a) is the vertical view of the plate washer of existing dish device; Figure 50 (b) is the vertical view of the external force on the besel time before representing plate washer is installed in by the arrow study plot.
Besel 710 is provided with the fixing rotationally recess 712,712 of axial region 721 that makes described switching portion 720 described later as shown in figure 48 before described.This recess 712,712 be located at described before on the left and right side of opening 711 of besel 710, be roughly to become columniform pit, its central shaft is parallel with length direction that should preceding besel 710.
In addition, described plate washer 720 is provided with axial region 721 as shown in figure 49, and it is used for this plate washer 720 is installed in rotation on the recess 712,712 of described preceding besel 710 in the bottom of the left and right sides of plate washer 720 face.
And this plate washer is installed in described before on the besel 710 time, make this plate washer 720 shown in Figure 50 (b), near totally three positions the two ends of the substantial middle of the back 723 of extruding plate washer 721 and the front 722 of plate washer 721 make plate washer 720 bendings.The interval of two end faces of described two axial regions 721,721 by making this plate washer 720 narrows down, just described axial region 721,721 can be installed in described before on the recess 712,712 of besel 710.
Yet owing to the reasons such as flame retardancy that will guarantee this dish device, the thickness of slab majority of described plate washer 720 is thicker, when this plate washer 720 is installed on the besel 710 before described, in order to allow described plate washer 720 bendings, needs very big power.Therefore, require installation exercise skilled, be difficult to improve operating efficiency.
In addition, if make besel 712 forward chimeric firmly, the interval of two end faces of described axial region 721,721 is become big, and necessary crooked the change greatly when then on the besel 710 this plate washer 720 being installed described before is so the length of described axial region 721,721 can not be grown.
Summary of the invention
In view of above problem, the object of the present invention is to provide a kind of mounting structure and the dish device that this plate washer mounting structure is housed of plate washer.The preceding relatively besel of this plate washer is installed easily, needn't be skilled to installation exercise.
In order to reach described purpose, the present invention is a kind of plate washer mounting structure, it is characterized in that, comprise: when the disc holder of carrier is come in and gone out, open and close the supporting member of plate washer and the described plate washer of support, be provided with the axial region that supports this plate washer rotationally and become its center of rotation at the two ends of described plate washer length direction, the outer peripheral face of this axial region is provided with circumferential part and at least one pair of planar portions.
According to above invention, before plate washer is installed on the besel time, just can finish installation exercise owing to only push a position of the substantial middle of this plate washer back, so mounting structure than existing plate washer, promptly much easier with pushing the structure that near the substantial middle of plate washer back and the two ends, plate washer front totally three positions install the plate washer bending forward on the besel, can improve manufacturing process efficient, reduce manufacturing cost.
Best in opposite directions a pair of described planar portions almost parallel in above-mentioned plate washer mounting structure.
Best described axial region has pair of planar portion, and the shape of the axial transverse section of this axial region is made substantially elliptical.
Best described supporting member comprises the recess and the gathering sill that is connected with this recess with the engaging of described axial region, and the interval of the described pair of planar portion of the width of described gathering sill and described axial region about equally.
Best described guiding groove section is located at the top of described recess.
Best described guiding groove section is made up of front face and a side's of rear face and described front face and rear face the end face that is connected connected to one another.Describedly connect facially, make described joint face portion be positioned at the opposing party's of described front face and rear face end side along with its at least a portion forms the inclined-plane of inclination near described recess.
One of described planar portions of best described axial region is parallel with the upper surface of described plate washer.
In addition, other form of the present invention relates to the dish device that above-mentioned plate washer mounting structure is housed.
Other purpose of the present invention, effect and effect can be clearer from the following embodiment that carries out with reference to accompanying drawing illustrates.
Description of drawings
Fig. 1 is the integrally-built stereographic map of expression dish device of the present invention;
Fig. 2 is the vertical view of dish device apparatus main body of the present invention;
Fig. 3 is the front view of the preceding besel of dish device of the present invention;
Fig. 4 is the sectional view of Fig. 3 A-A line;
It (b) is respectively the recess of besel before the dish device of the present invention, the enlarged drawing of guiding groove section that Fig. 5 (a) reaches;
It (b) is respectively Fig. 5 (a) and (b) B-B line sectional view and C-C line sectional view that Fig. 6 (a) reaches;
Fig. 7 is the front view of the baffle plate of dish device of the present invention;
Fig. 8 is the right view of the baffle plate of dish device of the present invention;
Fig. 9 is the enlarged drawing of the axial region of dish device baffle plate of the present invention;
Figure 10 is the key diagram of expression their positions relation when besel is installed forward the baffle plate of dish device of the present invention;
Figure 11 is the vertical view of the disc holder of dish device of the present invention;
Figure 12 is the upward view of the disc holder of dish device of the present invention;
Figure 13 (a) is the sectional view of D-D line among Figure 11, and Figure 13 (b) is the figure of disc holder guiding surface state of contact of following and Figure 13 (a) of indicating panel;
Figure 14 is the vertical view of the frame of dish device of the present invention;
Figure 15 is near the longitudinal diagram the guide rail that is provided with on the frame of dish device of the present invention;
Figure 16 is the vertical view of pony sill of the mechanism assembly of dish device of the present invention;
Figure 17 is the vertical view of supporting member of the mechanism assembly of dish device of the present invention;
Figure 18 is the upward view of the retaining member of dish device of the present invention;
Figure 19 is the vertical view of the light picker travel mechanism of dish device of the present invention;
Figure 20 is the enlarged drawing of the holding section that is provided with, the light picker base right part of dish device of the present invention;
Figure 21 is that the thrust load pressing mechanism of the light picker travel mechanism of expression dish device of the present invention is wanted the vertical view of portion;
Figure 22 is the vertical view of the thrust load pressing mechanism pressing element of dish device of the present invention;
Figure 23 is the side view of the thrust load pressing mechanism pressing element of dish device of the present invention;
Figure 24 is the vertical view of the thrust load pressing mechanism supporting member of dish device of the present invention;
Figure 25 is the E-E line sectional view of Figure 24;
Figure 26 is the F-F line sectional view of Figure 24;
Figure 27 (a) and (b) be to represent that respectively the cam member of the load driving mechanism of dish device of the present invention and cam mechanism is in the vertical view of the state of primary importance, the second place;
Figure 28 (a) to (c) is respectively vertical view, front view, the right view of dish device cam mechanism cam member of the present invention;
It is to represent the load driving mechanism of dish device of the present invention and the front view that cam mechanism is wanted portion respectively that Figure 29 (a) reaches (b);
Figure 30 (a) and (b) be the front view and the side view of disc holder position detecting switch of the disc holder position detecting mechanism of dish device of the present invention;
It (b) is to represent that the test rod of the disc holder position detecting switch of dish device of the present invention reaches the front view of the state of right side inclination to the left that Figure 31 (a) reaches;
Figure 32 (a) to (c) is respectively vertical view, front view, the side view of slide block of the disc holder position detecting mechanism of dish device of the present invention;
Figure 33 (a) and (b) be the vertical view and the side view of pinion wheel of the load driving mechanism of dish device of the present invention;
Figure 34 is that the pinion wheel of the load driving mechanism of dish device of the present invention is wanted the stereo amplification figure of portion;
Figure 35 is the vertical view of first turning axle of the load driving mechanism of dish device of the present invention;
Figure 36 is the side view of first turning axle of the load driving mechanism of dish device of the present invention;
Figure 37 is the upward view of transmission arm of the load driving mechanism of dish device of the present invention;
Figure 38 is the G-G line sectional view of Figure 37;
Figure 39 (a) and (b) be respectively the vertical view and the side view of second gear of the load driving mechanism of dish device of the present invention;
Figure 40 is that the crooked governor motion of the light picker of expression dish device of the present invention is wanted the right view of portion;
Figure 41 is that the crooked governor motion of the light picker of expression dish device of the present invention is wanted the sectional view of portion;
Figure 42 is that the guide pole of crooked governor motion of dish device of the present invention is by the vertical view of pressing spring;
Figure 43 is that the guide pole of crooked governor motion of dish device of the present invention is by the side view of pressing spring;
Figure 44 is the vertical view of guide pole retaining member of the crooked governor motion of dish device of the present invention;
Figure 45 is the upward view of guide pole retaining member of the crooked governor motion of dish device of the present invention;
Figure 46 is the side view of guide pole retaining member of the crooked governor motion of dish device of the present invention;
Figure 47 is that expression is the key diagram of the order of the guide pole retaining member of the crooked governor motion of dish device of the present invention when the retaining member of mechanism assembly is installed;
Figure 48 is the front view of besel before the existing dish device;
Figure 49 is the front view of existing dish device baffle plate;
Figure 50 (a) is the vertical view of existing dish device baffle plate, and Figure 50 (b) is the vertical view that added external force schematically showed with arrow when besel was installed forward this baffle plate;
Figure 51 is the upward view of the disc holder of existing dish device;
Figure 52 is the vertical view of the disc holder of existing dish device;
It (b) is to represent that respectively the cam member that is arranged on the disc holder position detecting mechanism on the apparatus main body of existing dish device is in the figure of the state of the primary importance and the second place that Figure 53 (a) reaches;
Figure 54 is the H-H line sectional view of Figure 52;
Figure 55 is the key diagram that expression is placed on dish the situation on the disc holder of Figure 54;
Figure 56 is the exploded perspective view of pick-up base one example of the existing dish of expression device;
It (b) is respectively the vertical view and the side view of existing driven wheel that Figure 57 (a) reaches;
Figure 58 is that expression is the key diagram of existing driven wheel their position relation when the gear that matches is installed.
Embodiment
The most preferred embodiment of dish device of the present invention is described below with reference to the accompanying drawings.
Fig. 1 is the integrally-built stereographic map of expression dish device of the present invention, and Fig. 2 is the vertical view of this dish device apparatus main body.
As shown in Figure 1, dish device 1 is the optical disc apparatus that dishes such as CD and DVD 10 are regenerated or write down, regenerate, by transporting tray carriage 51 formations of apparatus main body 30 (with reference to Fig. 2) of being accommodated by housing 20 and the dish 10 that moves relative to these apparatus main body 30 fore-and-aft directions (horizontal direction).
As shown in Figure 2, this apparatus main body 30 frame 31 of having tellite (not shown) and on this tellite, being provided with.As previously mentioned, described apparatus main body 30 is housed in the housing 20 that is formed by metal sheet.
Various electronic components such as the various IC of the Interface Terminal that is connected usefulness with computer body etc. and microprocessor, storer, motor driver etc. and resistance, electric capacity, switch are installed on the described tellite (not shown).By them spindle motor described later, load motor, helical motor and light picker etc. are controlled.
The place ahead part of this housing 20 is equipped with preceding besel 46.
Fig. 3 is the front view of described preceding besel 46, and Fig. 4 is the A-A sectional view of Fig. 3, and it is respectively the enlarged drawing of recess 470a and 470b, guiding groove section 471a and 741b that Fig. 5 (a) reaches (b).It (b) is respectively Fig. 5 (a) and (b) B-B line sectional view and C-C line sectional view that Fig. 6 (a) reaches.
Besel 46 is formed by resin etc. before described, and shown in Fig. 3 and 4, its upside is provided with opening 463, is used to make described disc holder 51 to come in and go out from apparatus main body 30.Anchor clamps patchhole 481 that will thin bar-shaped anchor clamps insertion when its downside is provided with the discharge button 480 of described disc holder 51 and uses urgent output mechanism described later etc.
The opening 463 of besel 46 is provided with baffle plate 49 before being somebody's turn to do, and itself and described opening 463 roughly are same shape, cover described opening 463 when described disc holder 51 is accommodated described apparatus main body 30 inside.
Fig. 7 and 8 is front view and right views of the baffle plate of dish device of the present invention, and Fig. 9 is the enlarged drawing of this baffle plate axial region.Figure 10 is the key diagram of their positions relation during besel before expression is installed in baffle plate.
As shown in Figure 7, this baffle plate 49 roughly is the tabular of left and right directions length.The length direction both ends of this baffle plate 49, be that the bottom of left and right sides face is provided with axial region 491a, 491b, its this baffle plate 49 is installed in described before besel 46 and become the center of rotation of this baffle plate 49 when opening and closing this baffle plate 49.
This axial region 491a and 491b this baffle plate 49 is installed in be positioned at during besel 46 before described described opening 463 below, described like this baffle plate 49 be the center rotation to be located at before described near the bottom of described opening 463 on the besel 46 just.
As shown in Figure 9, each outer peripheral face of this axial region 491a and 491b is provided with the 492a of pair of planar portion, the 492b that are parallel to each other and the circumferential part 493a, the 493b that connect between the end of this planar portions 492a and 492b, the axial cross section shape of described axial region 491a and 491b is ovalization roughly.
492a of planar portions described in the present embodiment and 492b concern with top 500 and following 501 one-tenth parallel positions of described baffle plate 49.Its reason describes in detail in the back.
The interval of this planar portions 492a and 492b form with aftermentioned be located at described before guiding groove section 471a on the besel 46 and 471b width about equally.
As Fig. 4 and shown in Figure 5, described before besel 46 accommodate the axial region 491a and the 491b of described baffle plate 49, and have recess 470a and 470b be used for described relatively before besel 46 be rotatably mounted described baffle plate 49.
Shown in Fig. 3 and 4, this recess 470a and 470b be located at described before on the left and right sides 464a of edge portion and 464b of described opening 463 of besel 46, and have recess, this recess of substantial cylindrical as shown in Figure 6 and the described axial region 491a and the 491b that are located on the described baffle plate 49 have identical central shaft.
The top of this recess 470a and 470b is provided with guiding groove section 471a and 471b, described baffle plate 49 is installed in described before during besel 46 the described axial region 491a that is located at two ends, described baffle plate 49 left and right sides and 491b to described recess 470a and 470b guiding.
As Fig. 5 (a) and (b), this guiding groove section 471a and 471b generally perpendicularly extend above described recess 470a and 470b.This guiding groove section 471a and 471b are by relative front face 472 and rear face 473 and be connected facial 474 these three faces and constitute, the interval of described front face 472 and rear face 473 form with the interval that is located at described planar portions 492a on described axial region 491a and the 491b and 492b about equally.
As Fig. 6 (a) and (b), the upper end is positioned at the left and right directions outside separately, the lower end is positioned at the dip plane 475 that left and right directions tilts medially in the top formation that respectively connects facial 474a and 474b of this guiding groove section 471a and 471b.The described axial region 491a and the 491b of the described baffle plate 49 that inserts from the upside of this guiding groove section 471a and 471b, to joint face 474a and 474b guiding, engage to described recess 470a and 470b guiding and with described recess 470a and 470b, described axial region 491a and 491b are installed in described recess 470a and 470b can not come off from this recess 470a and 470b afterwards simultaneously again by described dip plane 475.
The following describes described baffle plate 49 order when besel 46 is installed before described.
At first described baffle plate 49 is inserted in the opening 463 of described preceding besel 46.This moment as shown in figure 10, make top 500 of described baffle plate 49 be positioned at described before besel 46 front 461 sides, described baffle plate 49 following 501 be positioned at described before back 462 sides of besel 46, direction by arrow among the figure moves horizontally baffle plate 49, makes the described axial region 491a of described baffle plate 49 and 491b be positioned at the described guiding groove section 471a of described preceding besel 46 and the top of 471b.
Like this by the front 461 of besel 46 before described and the front 502 of described baffle plate 49 are formed the relation of approximate vertical, make be located at described before described front face 472 and the rear face 473 of the described guiding groove section 471a of besel 46 and 471b become parallel position to concern with described planar portions 492a that on the described axial region 491a of described baffle plate 49 and 491b, is provided with and 492b.Can insert through described guiding groove section 471a and 471b described axial region 491a and 491b to described recess 470a and 470b then.
Then this baffle plate 49 is inserted in the described preceding besel 46 by described baffle plate 49 being applied external force downwards from the top.Promptly make this baffle plate 49 slightly deformed by the substantial distance direction central authorities of pushing described baffle plate 49 back, the end face of described axial region 491a and 491b is narrowed down at interval, engage with the described recess 470a and the 470b of described preceding besel 46, thereby described baffle plate 49 is installed on the described preceding besel 46.
The baffle plate mounting structure of present embodiment one place of only pushing the substantial middle of these baffle plate 49 back 503 when besel forward 46 is installed just finishes fitting operation like this.Therefore than existing baffle plate mounting structure, thus near the structure of promptly pushing the both ends of front 722 of the substantial middle of back 723 of baffle plate 720 and baffle plate 720 totally three places, baffle plate 720 crooked besels forward being installed, and it is much easier that fitting operation becomes.
As mentioned above, described guiding groove section 471a and 471b are located at the top of described recess 470a and 470b in the present embodiment.The described planar portions 492a and the 492b that are located on described axial region 491a and the 491b form to such an extent that reach following 501 almost parallels with top 500 of described baffle plate 49.Even by using user that this structure uses this dish device 1 intentionally during the described baffle plate 49 of towing, described baffle plate 49 also seldom can come off by besel 46 before described.
In the present embodiment as the supporting member of described baffle plate 49 of the present invention used described before besel 46, but be not limited to present embodiment, use frame 31 described later also can as the supporting member of described baffle plate 49.Described guiding groove section 471a and 471b are not limited to present embodiment, not only be located at described recess 470a and 470b upside, be located at downside and also can.
As Fig. 2 and shown in Figure 14, the described apparatus main body 30 that is built in described housing 20 has the frame 31 that is formed by hard resin etc.This frame 31 by the bottom 311 that is formed with oblong openings 312 roughly and along about this bottom 311 and rear edge portion roughly be the upright wall portion 313 that establishes of コ word shape and constitute.
The front side of this frame 31 does not form described wall portion 313, becomes open state.The open portion of this frame 31 and aftermentioned were contained in opening 463 couplings of the preceding besel 46 in the described housing 20 when described apparatus main body 30 was assembled in the described housing 20, by described opening 463 described disc holder 51 were come in and gone out.The details of this frame 31 describes in detail in the back.
Figure 11 to 13 is respectively vertical view, the upward view of the disc holder of dish device of the present invention, the D-D line cut-open view of Figure 11.
As shown in figure 11, described disc holder 51 has the dish mounting portion 511 of scrobicula shape.Described dish 10 is positioned in the described dish mounting portion 511 of this disc holder 51, is transported to dish loading position (dish reproduction position) with the state that is limited in assigned position.
Here as shown in figure 13, described dish mounting portion 511 has: guiding surface 512, leading dish 10 when described disc holder 51 is placed to the outer edge 102 of described dish 10; Internal face 513, when forming, on described disc holder 51, being placed with described dish 10 continuously with the lower edge of described guiding surface 512 relative with the outer peripheral face 103 of described dish 10 and with the thickness direction almost parallel of this dish 10.
The bottom of described internal face 513 contacts with following 101 of described dish 10, and the carrying plane 514 that supports described dish 10 roughly meets at right angles with described internal face, and ground is continuous to be formed.The upper end of described internal face is provided with disk detachment and prevents member 515, is used to prevent when described disc holder 51 from sliding and this dish device vertically such as is placed at the generation that hour indicator 10 is stayed obstacles such as described apparatus main body 30 inside from described dish mounting portion's 511 disengagings of this disc holder 51.As long as this disk detachment prevents that member 515 is arranged on the part of described internal face 513 upper ends and just produce effect, but as shown in figure 11, the disengaging when preventing from the dish device placed vertically has been located at everywhere.Part shown in the symbol 519 is to install to prevent to coil the mounting hole of 10 pressing member of jumping out (not shown) usefulness when dish device 1 is placed vertically.
These guiding surfaces 512, internal face 513, carrying plane 514, and disk detachment prevent that member 515 is configured to roughly become concentric circles, be positioned at and coil near 10 the outer edge 102 separately apart from the rotation center of the dish 10 of these dish mounting portion 511 mountings.
Illustrate in greater detail and be exactly, described guiding surface 512 has following function, described dish 10 when described dish mounting portion 511 places, the position of departing from arranged at described dish 10 from described internal face 513 is little, promptly shown in Figure 13 (b), when 101 outer edge 102 contact with described guiding surface 512 below the described dish 10, following 101 of described dish 10 is led downwards along this guiding surface 512, make the described carrying plane 514 of following 101 certain arrival of described dish 10.
And described internal face 513 described dish 10 by mounting under the state in the described dish mounting portion 511, described disc holder 51 between described dish extracting position and described dish loading position when mobile, have the loosening function that suppresses the described dish 10 in the described dish mounting portion 511.
Be described in more detail and be exactly, be positioned in described dish 10 in the described dish mounting portion 511 when described disc holder 51 is mobile between described dish extracting position and described dish loading position, this dish 10 is mobile slightly in described dish mounting portion 511 because of inertial force.At this moment described internal face 513 keep described dish 10 outer peripheral face 103, stop the mobile of described dish 10 with the position of this internal face 513.
At this moment suppose that described internal face 513 roughly becomes parallel position relation with the outer peripheral face 103 of described dish 10 unlike present embodiment disc holder 51, but as the guiding surface 737 that Figure 55 institute aspect has the disc holder 730 of coiling device 70 now, tilt, along with the following gradient along this guiding surface 737 of the displacement disc 10 of disc holder 730 is led upward, sometimes may make described dish 10 jump out, make the record surface of dish 10 to damage, or make dish 10 stay dish device inside, make and coil 10 and can not take out from the described dish mounting portion 735 of described disc holder 730.
As previously mentioned, the described internal face 513 of the described dish mounting portion 511 of present embodiment, 103 one-tenth parallel position relationships of described outer peripheral face with the described dish 10 of mounting on the described dish carrying plane 514, so described dish 10 slides when mobile because of this disc holder 51, not only with the bottom of described dish 10 outer peripheral faces 103 near and also with its upper end near also contact, can confinement plate 10 move.Therefore the disc holder 730 that can not use in above-mentioned existing dish device of the disc holder 51 of present embodiment is because dish 10 moves, makes the outer edge 102 of dish 10 and lifted upward by guiding surface 737 and from disc holder 730 disengagings along with the slip of disc holder 730.
As shown in figure 11, described carrying plane 514 is configured to roughly become concentric circles to coiling 10 rotation center, during the described dish 10 of mounting only be positioned near this non-recording surface that coils 10 peripheries and contact.Prevent the record surface damage that causes with the contacting of bottom surface 517 of described dish mounting portion 511 by following 101 of described dish 10.
Shown in Figure 11 and 12, be formed with opening 516 on this disc holder 51, it is from the substantial middle of described dish mounting portion 511 rectangularity roughly rearward.Rotating disk 321 described later rises by this opening 516, and light picker 351 described later scans simultaneously.
As shown in figure 12, outstandingly on following 518 of described opening 516 rear portions and this disc holder 51 be provided with the slide block that restriction aftermentioned slide block 680 moves usefulness and move restriction rib 520.This slide block moves restriction rib 520 and has front side guiding surface 521 and rear side guiding surface 522 to slide block described later 680 guiding usefulness.Relevant this slide block moves the function back of restriction rib 520 and describes in detail.
As shown in figure 12,518 left and right sides are formed with gathering sill 530L, 530R along fore-and-aft direction below disc holder 51, engage respectively with bottom about the 311 outstanding wayss 323 (with reference to Figure 14) that are provided with of described frame 31.
This disc holder 51 following 518 on also be provided with: tooth bar 540, it has in the front and back of this disc holder 51 upwardly extending linearity tooth bar 541 and the circular-arc tooth bars 542 of about 180 degree angles of forming continuously with the front ends (front side of disc holder 51) of this linearity tooth bar 541; Gathering sill 550 is set up in parallel along this tooth bar 540, has along the linearity gathering sill 551 of described linearity tooth bar 541 settings and the circular-arc gathering sill 552 that is provided with along described circular-arc tooth bar.
As shown in figure 12, the opposition side of the described circular-arc tooth bar 542 in 518 the place aheads is provided with urgent output mechanism rib below this disc holder 51, uses when with urgent output mechanism described later this disc holder 51 forwards being pushed.
The disc holder of symbol 561 expression moves first projection 582 of restriction rib (jut) by cam member 572 and engages with the disc holder tight lock part 316 that forms on frame 31 described later among the figure, and the horizontal direction (fore-and-aft direction) that is used for confinement plate carriage 51 is mobile.
Figure 14 is the vertical view of the frame 31 of dish device of the present invention.Figure 16 is the vertical view of pony sill of the mechanism assembly of dish device of the present invention, and Figure 17 and 18 is vertical view and upward views of the retaining member of this mechanism assembly.
As shown in Figure 2, described frame 31 is provided with: the rotating disk 321 of mounting dish 10; Mechanism assembly 32 is provided with and regenerates or the light picker 351 that writes down, regenerate etc. to coiling 10.
This mechanism assembly 32 is configured to be housed in the roughly oblong openings 312 that forms on the bottom 311 of described frame 31 shown in Figure 14, the back quadrate part is rotatable by described frame 31 supportings.The front part of this mechanism assembly 32 can displacement between the down position (lower position) of the lifting position (upper side position) of described rotating disk 321 upper support dishes 10 and this lifting position below.
More detailed theory then as shown in Figure 2, mechanism assembly 32 preferably has the retaining member 340 that the pony sill 330 that is made of hard resin and relative this pony sill 330 are supported by elastic component 450 (insulator).
As shown in figure 16, pony sill 330 forms the roughly square frame shape with front part and back quadrate part.This pony sill 330 has: rectangular outer frame 311; Inside casing portion 332, be positioned at outer frame 331 the inboard, have size, bight to form C face shape, roughly be rectangle than the little circle of outer frame 331; Linking part 333 connects to one to this outer frame 331 and inside casing portion 332 in the roughly centre position of short transverse; A plurality of enhancing portion 334 is arranged to one in accordance with regulations at interval on the complete cycle of linking part 333, its result is exactly that this pony sill constitutes so-called ladder shape frame, and promptly linking part 333 and enhancing portion 334 alternately are located between outer frame 331 and the inside casing portion 332.
As shown in figure 16, the outstanding separately axle 335 that is formed with of the rear of this pony sill 330 (rear of apparatus main body 30) left and right sides portion is as the rotating support portion of mechanism assembly 32 with respect to frame 31.These 335 insert respectively shown in Figure 14 in the axis hole 319,319 that frame 31 sides form.Like this this mechanism assembly 32 thereafter quadrate part frame 31 is propped up into rotatable by axle.When this mechanism assembly 32 (pony sill 330) was the center rotation with axle 335, the described relatively frame 31 of the front part of this mechanism assembly 32 is displacement up and down between lifting position and down position.
As shown in figure 16, outstandingly in the place ahead of this pony sill 330 be provided with a guide finger 336.This guide finger 336 engages with the cam path 591 of the cam member 572 of aftermentioned cam mechanism 571, and the displacement by this cam member 572 is led the front part of pony sill 330 on above-below direction.
As shown in Figure 2, at the described pony sill 330 of above structure and stipulated to have formed predetermined gap 337 between the frame 31 of described opening 312.Even being formed at roughly full week, its width setup of pony sill 330, this gap 337 is out of shape the degree that does not also hinder the rotation of pony sill 330 for frame 31 the biglyyest.
Substantial middle at the described inside casing portion 332 back quadrate parts of this pony sill 330 is provided with support chip 338, is provided with support chip 338,338 in the bight, the left and right sides of these inside casing portion 332 front parts.These support chips 338 are provided with in order to support described retaining member 340.
As shown in figure 17, described retaining member 340 is made of tetragonal bottom 341 roughly and wall portion 342 of forming around it.As shown in Figure 2, this wall portion 342 forms, is housed in the frame of pony sill 330 by predetermined gap 344 to be situated between with the size of enclosing than the inside casing portion 332 little of pony sill 330.
This retaining member 340 is supported on the pony sill 330 by the elastic component 450 (insulator) that is provided with respectively on three support chips 338 of described pony sill 330.Being retaining member 340 is supported on the described pony sill 330 by this elastic component 450 roughly becoming on 3 in the isosceles triangle.The vibration that is produced by the rotation of dish 10 and spindle motor is absorbed, is passed less than on the described frame 31 by described elastic component 450 like this.
As shown in figure 19, this retaining member 340 is provided with: dial rotation spindle motor (not shown); Rotating disk 321 is fixed on the turning axle 322 of this spindle motor; Light picker 351 is from coiling 10 sense datas or writing data at dish 10; Light picker travel mechanism 35 moves this light picker 351 as the slide block feed mechanism on the radial direction of dish 10.
Described spindle motor is installed on the substrate 440 that is fixed on the described retaining member 340.Shown in Figure 17 and 18, the right front portion of described retaining member 340, right back portion, and back side substantial middle be provided with weight 345, be used for suppressing to result from the vibration of the described retaining member 340 of dish 10 and spindle motor rotation by the weight that increases this retaining member 340.
Figure 19 is the vertical view of the light picker travel mechanism 35 of dish device of the present invention.Figure 20 is the enlarged drawing in the holding section of described light picker right part setting.
Know clearly as Figure 19 and to show, described light picker travel mechanism 35 comprises: helical motor 360, can just change/reverse, and have turning axle 362, this turning axle 362 has the worm screw (leading screw) 361 that forms the screw-like tooth; Worm gear 363 is with these worm screw 361 engagements; The pinion wheel 364 of minor diameter, this above worm gear 363 and coaxially with its formation one; Tooth bar 365 is with these pinion wheel 364 engagements; Pick-up base 370 is fixed this tooth bar 365, the described light picker 351 of mounting; First guide pole 371 and second guide pole 372 lead to the moving direction of this pick-up base 370.
These worm screws 361, worm gear 363, pinion wheel 364, tooth bar 365 are formed by plastics respectively.Support with two the bearing portions 373,373 that are located on the described pick-up base 370 at described as shown in figure 19 tooth bar 365 its two ends.
As shown in figure 19, this tooth bar 365 is made of upside tooth bar 366 that forms identical big or small tooth and downside tooth bar 367, described upside tooth bar 366 install relatively downside tooth bar 367 move up in front and back.And as shown in figure 19, described upside tooth bar 366 is forwards pressured by the flexible volute spring 368 of fore-and-aft direction, and the tooth that is located at like this on this upside tooth bar 366 becomes the position of staggering slightly on fore-and-aft direction to concern with tooth on being located at described downside tooth bar 367.When this tooth bar 365 meshes with described pinion wheel 364, no matter the engagement of described tooth bar 365 and described pinion wheel 364 how, described upside tooth bar 366 contacts with the tooth of described pinion wheel 364 front sides reliably with the tooth of described pinion wheel 364 rear sides, described downside tooth bar 367.Loosening being prevented from that described tooth bar 365 and described pinion wheel are 364.
As shown in figure 19, described worm screw 361, described first guide pole 371, and the length direction of described second guide pole 372 its each coil device 1 fore-and-aft direction and described pick-up base configured in parallel for this, described first guide pole 371 and described second guide pole 372 are configured in respectively near the right part and left part of described pick-up base 370.
The reduction gear that constitutes this light picker travel mechanism 35 by these worm screws 361, worm gear 363 and pinion wheel 364, tooth bar 365, the rotational transform of described helical motor 360 becomes the rectilinear motion of light picker 351, light picker 351 by make 360 positive and negative certain directions rotation of described helical motor, can to-and-fro movement on the radial direction of dish 10.
Figure 40 and 41 is that the crooked governor motion of light picker of expression dish device of the present invention is wanted the right view and the sectional view of portion.Figure 42 and Figure 43 are vertical view and the side view of this crooked governor motion guide pole by pressing spring, and Figure 44 to 46 is vertical view, upward view, side views of this crooked governor motion guide pole retaining member.Figure 47 is that expression is the key diagram of the order of the guide pole retaining member of the crooked governor motion of dish device of the present invention when the retaining member of mechanism assembly is installed.
Below according to the described light picker 351 of Figure 19, Figure 40 to 46 explanation.
As shown in figure 19, the light picker that uses in described light picker 351 and the above-mentioned existing dish device is 771 same, be contained on the pick-up base 370 that links sliding freely with described first guide pole 371.And similarly be provided with regulator base, buffer base etc. with existing dish device 70 on this pick-up base 370.
As shown in figure 19, described pick-up base 370 comprises: bearing portion 373 has a pair of bearing seat that is provided with by the interval of inserting described first guide pole 371; Body 374 forms one, roughly extends to the left end of described retaining member 340 with described first guide pole 371 with meeting at right angles with this bearing portion 373.These bearing portions 373 and body 374 are by being formed by metal integrals such as die castings.
Though not shown but this body 374 has on the accompanying drawing: laser diode (LD) is identical with above-mentioned conventional example, send laser beam; Beam splitter, from the light beam of described laser diode to mirror reflects; Catoptron reflects the light beam from this beam splitter to the object lens direction; Photodiode is being subjected to light, producing electric signal according to the variation of this light beam light intensity by described object lens, catoptron and beam splitter from the dish beam reflected.
In the end of this pick-up base 370 and end opposition sides described first guide pole, 371 sides, be that the end of described second guide pole, 372 sides is provided with the holding section that section roughly is コ word shape, it has and two slipping planes that contact up and down of the outer peripheral face of described second guide pole 372 and the left part of supporting this pick-up base 370.
The following describes the crooked governor motion of light picker 351 set on this pick-up base 370.
As previously mentioned, the right part of described pick-up base 370 and left part are by described first guide pole 371 and 372 supportings of described second guide pole.
The crooked governor motion 42 of dish device of the present invention is fixed on described first guide pole 371 on the described retaining member 340, the described relatively retaining member 340 of described second guide pole 372 can be moved up and down, and the right part by making described pick-up base 370 is rotated displacement with the central shaft of described first guide pole 371 as the center and is carried out the tangential crooked adjusting of described light picker 351.
Promptly shown in Figure 40 and 41, this crooked governor motion 42 has: the installation portion 343 of described retaining member 340, and it is the framework of this crooked governor motion 42 of supporting; Guide pole is pressed pressing spring 421, is placed on this installation portion 343, pushes the downside of described second guide pole, 372 side faces; Guide pole retaining member 430 is with the last side contacts of described second guide pole, 372 side faces; Screw 436 screws on this guide pole retaining member 430.
Described installation portion 343 is provided with along the right side of described retaining member 340, and its two ends, left and right sides are provided with the patchhole 346 that inserts described screw 436 usefulness.
Shown in Figure 42 and 43, described guide pole is pressed pressing spring 421 usefulness sheet metals and is formed, and is made of supporting slice 422 and the spring leaf 423 that extends obliquely upward from the length direction two ends of this supporting slice 422.
Shown in Figure 44 to 46, described guide pole retaining member 430 is members that the longitudinal profile roughly is コ word shape, and it comprises: upper sheet 431 has the screw 432 that screws with described screw 436; Lower plate 433, relative with this upper sheet 431, have the mounting hole 434 that the insertion instrument was used when described screw 436 was installed; Brace 435 connects described upper sheet 431 and described lower plate 433.
The following describes the order when described second guide pole 372 being located on described retaining member 340 by these members.
At first the supporting slice 422 of described guide pole by pressing spring 421 is placed on the described installation portion 343, described second guide pole 372 is placed on two spring leafs 423 of described guide pole by pressing spring 421.Then described guide pole retaining member 430 is engaged with the end of described retaining member 340 as shown in figure 47.
Shown in Figure 40 and 41, described screw 436 is screwed in the screw 432 of described retaining member 430 for another example.The distance of at this moment regulating screw 432 on fastening, the head by regulating described screw 436 of described screw 436 and the described guide pole retaining member 430 change described installation portion 343 and described second guide pole, 372 side faces distance, be the height of described pick-up base 370 right parts, the described light picker 351 of scalable is tangentially crooked like this.
As mentioned above, the crooked governor motion 42 of present embodiment is the tangential crooked structure of regulating described light picker 351 by the height that changes 372 pairs of described retaining members 340 of described second guide pole, so even also can carry out tangential crooked adjusting to described light picker 351 after being installed on described first guide pole 371 and described second guide pole 372 simply.
The following describes the action of above-mentioned pickup moving mechanism 35.
See it is when turning clockwise when the turning axle 362 of helical motor 360 from front end, see from axial upside by worm screw 361, worm gear 363 to be rotated counterclockwise that tooth bar 365 is rearward sent.To be exactly light picker 351 move from the interior circumferential periphery of CD its result.And when the turning axle 362 of helical motor 360 with just now oppositely, when promptly rotating counterclockwise, by with opposite just now action, light picker 351 from the inside Zhou Yidong of the periphery of CD.In addition, be not limited to present embodiment, the tooth that worm screw 361 forms the left-hand thread shape also can.
For carrying out smoothly, the rotation of this turning axle 362 is provided with some gaps on the turning axle 362 of described helical motor 360 in the axial direction.This turning axle 362 forwards or the slight displacement in rear in the scope in this gap.Therefore described helical motor 360 sees it is (direction that light picker 351 moves to the dish periphery) or when rotating counterclockwise, by rotation, this turning axle 362 forward end (the place ahead) and rear end (rear) drawing displacement in the scope in gap of described worm gear 363 clockwise from the front end of this turning axle 362.
Therefore move axially in interstice coverage for the rotation of the turning axle 362 that prevents described helical motor 360 in the present embodiment along with described worm screw 361, front end at this turning axle 362 is provided with thrust load pressing mechanism 38, is used for this turning axle 362 pressured to cardinal extremity from front end.
Figure 21 is that the thrust load pressing mechanism 38 of the light picker travel mechanism of expression dish device of the present invention is wanted the vertical view of portion.
As shown in figure 21, this thrust load pressing mechanism 38 has: pressing element 381, with the preceding end in contact of described turning axle 362; Compression helical spring 400 is used for this pressing element 381 is pushed to cardinal extremity from the front end of described turning axle 362; Supporting member 410 supports described pressing element 381 and described compression helical spring 400.
Figure 22 and Figure 23 are the vertical view and the side views of the thrust load pressing mechanism pressing element of dish device of the present invention.
As Figure 22 and shown in Figure 23, described pressing element 381 be have preceding frame 382, after-frame 383, left frame 385, right frame 384 and be positioned at described before the roughly rectangular framework of two center 386a, 386b of 383 of frames 382, described after-frame.Each rear portion of frame 382 and described center 386a, 386b is provided with movement limiting portion 387a, 387b before described, the front portion of described center 386a is provided with the engaging protrusion 389 that engages with the rear end of described compression helical spring 400, and the rear portion of described after-frame 383 is provided with the slipping plane 390 with the preceding end in contact of described turning axle 362.
As shown in figure 22, described movement limiting portion 387a, 387b are provided with along described left frame 385, described right frame 384, and there is the upwardly extending slot part 388 in front and back in central authorities.This slot part 388 engages, limits moving of this pressing element 381 with the described supporting member 410 that describes in detail later.
Shown in Figure 22 and 23, described engaging protrusion 389 is forwards extended from the front portion of described center 386.This engaging protrusion 389 and the center pit of described compression helical spring 400 rear end engage, carry out the location of described compression helical spring 400.This engaging protrusion 389 is arranged to the central shaft of the center of described turning axle 362 and described pressing element 381 and the central shaft of this engaging protrusion 389 roughly consistent.This reason back is described in detail.
As shown in figure 23, described slipping plane 390 forms from the rearward outstanding flexure plane in the back of described after-frame 383.And reduce as far as possible this slipping plane 390 and worm gear 361 front ends contact area, reduce the friction that produces on the surface of contact.
As shown in figure 19, described compression helical spring 400 is that metal wire rod is processed into spiral fashion, at the central part of length direction center pit (not shown) is arranged.This center pit be located at described pressing element 381 on engaging protrusion 389 and aftermentioned supporting member 410 on set engaging protrusion 415 engage.Located by described pressing element 381 and described supporting member 410 by this engaging, this compression helical spring 400.
Figure 24 is the vertical view of the thrust load pressing mechanism supporting member of dish device of the present invention.Figure 25 and 26 is E-E line sectional view and F-F line sectional views of Figure 24.
Shown in Figure 24 and 25, described supporting member 410 forms one with the bottom 341 of described retaining member 340, front and back dispose two, as shown in figure 26, described supporting member 410 roughly forms the guide part 411,411 of T word shape by each transverse section and the support 416,416 that is positioned at the holding section 414 of 411,411 of these two guide parts and is positioned at described guide part 411,411 left and right sides constitutes.
To shown in Figure 26, described guide part 411 comprises as Figure 24: restrictions 412 engage, limits the mobile of described pressing element 381 left and right directions with the slot part 388 that forms on the described movement limiting portion 387 of described pressing element 381; Last facial 413, upper end and this restrictions approximate vertical installation of this restrictions 412, with contact, limit described pressing element 381 above the described movement limiting portion 387 of described pressing element 381 and be moved upward.
As shown in figure 24, described holding section 414 has from the engaging protrusion 415 of extending towards the rear thereafter, engaging with the anterior end of described compression helical spring 400.These engaging protrusion 415 its central shafts are provided with roughly consistently with the central shaft of turning axle 362 of described helical motor 360 on being fixed in described retaining member 340.This reason back is described in detail.
Shown in Figure 24 to 26, described support 416,416 separately above be slipping plane, the following of described pressing element 381 its described left frames 385 that contact with these slipping planes and described right frame 386 can slide along this slipping plane fore-and-aft direction.
The turning axle 362 of described helical motor 360 be arranged in described pressing element 381, and the center line of described compression helical spring 400 roughly consistent.The center line of described pressing element 381 its engaging protrusion 389 and the center line of described pressing element 381 are provided with to such an extent that the central shaft of turning axle 362 of the central shaft of engaging protrusion 415 of roughly consistent, described supporting member 410 its spring holding sections 414 and described helical motor 360 is roughly consistent, so the center line of the center line of described turning axle 362 and described pressing element 381 and described compression helical spring 400 is roughly consistent.
The axial component of so only described compression helical spring 400 recuperabilities passes to the turning axle 362 of described helical motor 360, so can prevent becoming flexible when described light picker 351 moves, the smooth and easy action of described light picker 351 can be realized, precision can also be improved the thrust load of this turning axle 362 pressurizations.
Utilize above-mentioned light picker travel mechanism 35, light picker 351 moves at the radial direction of dish 10.This light picker 351 be from dish 10 reflected light with catoptron general curved such as (or prisms) the horizontal light picker of photo detector structure of leading that meets at right angles, have object lens and regulator (not shown).
The described helical motor 360 of above-mentioned light picker travel mechanism 35 with described spindle motor and load motor described later 601 by the control device control that is located on the tellite.
As shown in Figure 2, the place ahead of described mechanism assembly 32 is provided with load driving mechanism 57, is used to make the displacement between down position (with reference to Figure 27 (a)) and lifting position (with reference to Figure 27 (b)) of this mechanism assembly 32, carries described disc holder 51 simultaneously.
This load driving mechanism 57 has: cam mechanism 571, be provided with described mechanism assembly 32 interlocks; Driving mechanism 60 is used to drive this cam mechanism 571 and described disc holder 51; Disc holder position detecting mechanism 670 is with these cam mechanism 571 interlocks; And urgent output mechanism 56.
Figure 27 (a) and (b) be to represent that respectively the cam member of the load driving mechanism of dish device of the present invention and cam mechanism is in the vertical view of primary importance, second place state.Figure 28 (a) to (c) is vertical view, front view, the left view of described cam member.
Described cam mechanism 571 makes mechanism assembly 32 be positioned at down position, make mechanism assembly 32 be positioned at lifting position in the second place shown in Figure 27 (b) in the primary importance shown in Figure 27 (a), and described rotating disk 321 is moved up and down.
Be described in more detail and be exactly, as Figure 27 (a) and (b), this cam mechanism 571 has cam member 572, and these cam member 572 relative frames 31 are provided between primary importance (Figure 27 (a)) that this cam member 572 is positioned at described frame 31 left sides and the second place (Figure 27 (b)) that is positioned at the right side slidably at left and right directions (and direction of disc holder 51 moving direction quadratures).
This cam member 572 is formed by resin, and shown in Figure 28 (a) to (c), it comprises: upper lateral part 580 is formed with tooth bar 581, first projection 582, second projection 583 etc.; Following side 590, approximate vertical setting below the rear end of this upper lateral part and this upper lateral part 580 has and makes described mechanism assembly 32 move up and down the cam path 591 of usefulness and this cam member 572 is installed in the installation portion of using on the described frame 31 597.
Shown in Figure 28 (a), described upper lateral part 580 its fronts have the tooth bar 581 and first projection 582 and second projection 583 forwards to extend to form.
As Figure 28 (a) and (b), described tooth bar 581 roughly becomes the setting of left and right directions linearity from the right part of described upper lateral part 580, and is located at gear part 653 engagement on the aftermentioned transmission arm 650, the rotation motion of this transmission arm 650 is changed into the rectilinear motion of the left and right directions of this cam member 572.
Shown in Figure 28 (a), described first projection 582 and described second projection 583 are forwards extended from the substantial middle portion and the left part of described upper lateral part 580 fronts.
Described first projection 582 contacts, is used to make this slide block to the left side of described frame 31 to move with slide block 680 described later from the described second place at this cam member 572 when described primary importance moves.
Described second projection 583 is pushed the test rod 673 of disc holder position detecting switch 671 described later at this cam member 572 from described primary importance when the described second place moves, simultaneously by pushing of urgent cam 562 described later make this cam member 572 from the described second place to primary importance, promptly move to the left from the right side of described frame 31.
Shown in Figure 28 (b), described following side 590 is provided with: cam path 591 is used for being located at described guide finger 336 guiding on the described mechanism assembly 32; Two installation portions 597,597 are used for this cam member 572 is installed in described frame 31.
Described cam path 591 be positioned at when having on being installed to described frame 31 these frame 31 left sides on groove 592, with being positioned at these frame 31 right sides and right-hand end is the following groove 593 of open end, with these two tippers that are connected 594, and the clearance portion 595 that is connected with described end of going up groove 592.The described face of going up the downside of groove 592 and described tipper 594 be by be provided with elastic 596 that described clearance portion 595 forms top, can about displacement.Described like this mechanism assembly 32 is led up and down swimmingly by this cam member 572.
The guide finger (driven member) 336 that is arranged on pony sill 330 fronts of said mechanism assembly 32 inserts described cam path 591.This guide finger 336 along with described cam member 572 between the primary importance and the second place move and along described cam path 591 slide, above-below direction moves.
Promptly when described cam member 572 was positioned at primary importance, guide finger 336 engaged (Figure 29 (a)) with following groove 593, and the front part of mechanism assembly 32 is positioned at down position.When cam member 572 from primary importance when the second place moves, described guide finger 336 rises along described tipper 594, the front part of described thereupon mechanism assembly 32 lifts to lifting position from down position.When this cam member 572 arrived the second place, described guide finger 336 engaged (Figure 29 (b)) with last groove 592, and the front part of described mechanism assembly 32 is indexed to lifting position.
Shown in Figure 28 (b), described installation portion 597 is respectively established one about 590 fronts, described following side, and its longitudinal profile forms hook-type shown in Figure 28 (c).These installation portions 597 engage respectively with two guide rails 317 (with reference to Figure 14 and Figure 15) that the longitudinal profile that opening 312 the place aheads of described frame 31 form roughly is T word shape, this cam member 572 is installed on this frame 31, on the left and right directions of this frame 31, leads simultaneously.
Described disc holder position detecting mechanism 670 is pushed disc holder position detecting switch 671 described later by the slide block 680 of first projection 582 on the upper lateral part 580 that is arranged on described cam member 572 and second projection 583 and slip on described frame 31, detects the position of described disc holder 51 like this.
Figure 30 (a) and (b) be respectively the front view and the side view of described disc holder position detecting switch, Figure 31 (a) and (b) be respectively the front view that the test rod of indicating panel bracket locations detector switch reaches the state that the right side tilts to the left.
As Figure 30 (a) and (b), described disc holder position detecting switch 671 has support 672 and the test rod 673 that is installed on this support 672.Described test rod 673 is installed on the central shaft 674 of described support 672 and can is that rotate on left and right directions at the center with this central shaft 674.Shown in Figure 30 (a), pressured this test rod 673 and the approximate vertical above the described support 672 of making such as this test rod 673 usefulness springs under the state that this test rod 673 is not added external force.In addition, first contact described later and second contact form the state that disconnects under this state.
This test rod 673 is tilting to the right shown in Figure 31 (a) during external force from the left side in addition, is making first contact become conducting state simultaneously.Shown in Figure 31 (b), tilting to the left during external force from the right side in addition, making second contact become conducting state simultaneously.Wherein a certain side's indicating panel carriage 51 arrived the loading position when described first contact and second contact became conducting state, the opposing party represents to arrive drain position, was connected with the circuit of the substrate of fixing this disc holder position detecting switch 671 (not shown).
Figure 32 (a) to (c) is respectively vertical view, front view, the side view of slide block of the disc holder position detecting mechanism of dish device of the present invention.
Described slide block 680 is formed by resin, and shown in Figure 32 (a) to (c), described slide block 680 has: tabular body 681; Pressing tablet 682 extends above this body 681 upward; Aspis 683 is used to make the test rod 673 of described disc holder position detecting switch 671 outstanding; Installation sheet 684, extension, longitudinal profile roughly are T word shape downwards below described body 681.Described pressing tablet 682 when described disc holder 51 is loaded, utilize below the being located at described disc holder 51 described cam member at rear move left that restriction rib 520 transmits to power described disc holder position detecting switch 671 is pushed to the left.Described installation sheet 684 engages with sliding tray 318 (with reference to Figure 14) on being located at described frame 31, and this slide block 680 is led on the left and right directions of described frame 31.
The following describes the action of this disc holder position detecting mechanism 670.
When described cam member 572 is in described primary importance (Figure 27 (a)), when described disc holder 51 is in drain position, the pressing tablet 682 of described slide block 680 moves restriction rib 520 by the slide block of described disc holder 51 and pushes to left, by described slide block 680 test rod 673 of described disc holder position detecting switch 671 is pushed to left.In addition, under this state, the described first contact conducting of described disc holder position detecting switch 671 so just detects described disc holder 51 and is in drain position.
Under this state, when the load operation by disc holder makes described disc holder 51 rearward mobile, by described slide block move restriction rib 520 left the slide block 680 pushed of direction utilize the recuperability of the test rod 673 of described disc holder position detecting switch 671 to move to the right.
And along with described disc holder 51 rearward moves, when the second place moved, pushed the test rod 673 of described disc holder position detecting switch 671 to the right by described second projection 583 that is located on described cam member 572 upper lateral parts 580 from described primary importance for described cam member 572.Push by this and to make the described second contact conducting, detect described disc holder 51 and be in the loading position.
Described disc holder 51, moves to described primary importance from the described second place along with this moves described cam member 572 when forwards mobile from this state.At this moment since described second projection 583 left direction move, so by this second projection 583 left the described disc holder position detecting switch 671 pushed of direction utilize the recuperability of spring to get back to the state of Figure 30 (a), utilize simultaneously described first projection 582 make described slide block 680 move to left to assigned position.
Described disc holder 51 forwards moves again, when the front side guiding surface 521 that moves restriction rib 561 when the described disc holder that is provided with below this disc holder 51 contacts with the described pressing tablet 682 of described slide block 680, described slide block 680 left direction move.Promptly as shown in figure 12, guiding surface 521 length directions from this disc holder 51 in described front side tilt to the left, so described pressing tablet 682 moves to the left along this front side guiding surface 521.By slide block 680 move to the left, the test rod 673 of described disc holder position detecting switch 671 pushed by direction left, the drain position of the described first contact conducting, described disc holder 51 is detected.
The disc holder position detecting mechanism of present embodiment is formed on the structure of not using the such cam member displacement of existing dish device in the detection of dish drain position like this, so can be with the back quadrate part formation linearity of the disc holder gathering sill that engage with the pin of cam member.Therefore the disc holder moving disorder that quadrate part behind the disc holder gathering sill produces because of the pin of cam member and gathering sill pinning like that with the existing disc holder of curve can not take place, and manually the disc holder of carrying out can smooth and easyly be carried out to the filling of body interior.
As Figure 29 (a) and (b), described load driving mechanism 57 has: load motor 601, be arranged on described frame 31 the front part back side, constitute by the direct current generator that can just change/reverse; Pinion wheel 610 is installed on the turning axle 602 of this load motor 601; First gear set 630, have be contained in described frame 31 integrated first turning axles 314 on rotatable and with the gear wheel 631 and the coaxial pinion wheel that is fixed on these gear wheel 631 tops of described pinion wheel 610 engagements; Transmission arm 650 has with described first gear set 630 and is fixed on described first turning axle 314 and with the tooth bar 581 meshed gears portions 653 of described cam member 572 with second turning axle 315 of second gear 640 described later rotatably is installed; Second gear 640, be installed in the second integrally formed turning axle 315 of this transmission arm 650 on, have and the middle footpath downside gear 643 of pinion wheel 632 engagements of described first gear set 630 and coaxial integrally formed and are last side gears 641 of path compared with this downside gear 643 with this downside gear 643.
Figure 33 (a) and (b) be the vertical view and the side view of pinion wheel of the load driving mechanism of dish device of the present invention.Figure 34 be this pinion wheel want portion's stereo amplification figure.
Described pinion wheel 610 is the driven wheels that the revolving force of described load motor 601 passed to the gear wheel 631 of described first gear set 630, and as Figure 33 (a) and (b), it has: roughly be body 611 cylindraceous; Tooth 612, the outer peripheral face of this body 611 be provided with a plurality of, relative two surface of contact 613,613 are arranged.
As Figure 33 (b) and shown in Figure 34, described tooth 612 has the spigot surface 614,614 that forms continuously in the upper end separately of described two surface of contact 613,613 relatively.
This spigot surface the 614, the 614th is that the tooth guiding of described gear wheel 631 is established in order to give with the selective gear mutually of this pinion wheel 610 engagements, shown in Figure 33 (b), be arranged to become the obtuse angle respectively with described two surface of contact 613,613, the end of the tooth of described gear wheel 631 is from described spigot surface 614, the 614 described surface of contact 613,613 that led smoothly.
As shown in figure 34, between described spigot surface 614,614, be provided with gathering sill 615, connect between the end of described spigot surface 614,614 central shaft sides, tooth to described gear wheel 631 when gear wheel 631 is contained in this pinion wheel 610 leads.
Be provided with separately and the acutangulate chamfered section 616 of the outer peripheral face of described body 611 in the end of described tooth 612.This chamfered section 616 is avoided the projections such as burr with described gear wheel 631 ends of this pinion wheel 610 engagement, is used to prevent the breakage of both sides' gear and rotates the bad obstacle that waits.
Be to constitute described spigot surface 614, chamfered section 616 in the present embodiment, but be not limited to present embodiment, these faces are constituted with curved surface also can with the plane.This pinion wheel 610 is to use than the high material of described gear wheel 631 hardness to form, so described gear wheel 63 1 is difficult for take place the breakage that projections such as burr that the end because of described gear wheel 631 produces cause during with this pinion wheel 610 engagements.
When this pinion wheel 610 is meshed with described gear wheel 631, because this pinion wheel 610 is fixed on the described load motor 601, so, make this gear wheel 631 and described pinion wheel 610 engagements by described gear wheel 631 being inserted this first turning axle 314 and mobile downwards along the central shaft of this turning axle 314.
Be provided with described spigot surface 614, gathering sill 615, chamfered section 616 in the present embodiment in the end of described pinion wheel 610, also can but be provided with in the end of described gear wheel 631.
Shown in Figure 27 and 29, described first gear set 630 and transmission arm 650 are arranged on described first turning axle 314.
Figure 35 and 36 is vertical view and side views of first turning axle of the load driving mechanism of dish device of the present invention.
Shown in Figure 35 and 36, this first turning axle 314 has the upside turning axle 621 of path and is positioned at the downside turning axle 622 in the big footpath of these upside turning axle 621 downsides.Be provided with carrying plane 623a at described upside turning axle 621 and 622 on downside turning axle, be used to support the described transmission arm 650 that is installed on the described upside turning axle 621.Be provided with carrying plane 623b in the bottom of described downside turning axle 622, support first gear set 630 that is installed on the described downside turning axle 622.
And on described first gear set 630, be provided with and the roughly same center pit directly of described downside turning axle 622, as shown in figure 37, on described transmission arm 650, be provided with and the roughly same center pit 652 directly of described upside turning axle 621.Owing to described first gear set 630 is supported by described carrying plane 623a by described carrying plane 623b, described transmission arm 650, so can contactless, the nothing interference smooth and easy rotation in ground mutually when rotating at described first gear set of installing on described first turning axle 314 630 and described transmission arm 650.
Figure 37 is the upward view of transmission arm of the load driving mechanism of dish device of the present invention.Figure 38 is the G-G line sectional view of Figure 37.
Described transmission arm 650 is formed by plastics, and shown in Figure 37 and 38, it has: roughly form discoideus body 651, at peripheral part teat 654 is arranged; Center pit 652 is used for as rotation center this body 651 being installed in described first turning axle 314 with described first turning axle 314; Gear part 653,654 relative across described center pit 652 and described teat, with this center pit 652 be the center circle arcuation be arranged on described body 651 below; Second turning axle 315 generally perpendicularly extends above described teat 654.
Bottom at the described center pit 652 of described body 651 is provided with: resettlement section 664, accommodate the pinion wheel that is positioned at described first gear set 630 tops; Pinion wheel aspis 663 is used to make described pinion wheel outstanding above described body 651 from this resettlement section 664.
Described second turning axle 315 has: axial region 661 is used to install described second gear 640; Pin portion 662, be positioned at described axial region 661 top, be used for engaging and the guiding by described gathering sill 550 makes this transmission arm 650 rotations with the gathering sill 550 of described disc holder 51.
These each gears all are made of spur gear in the present embodiment, and all turning axles are the position relations that is parallel to each other.The reducing gear of the load motor that constitutes load driving mechanism 57 601 by these gears.
Spigot surface described in the present embodiment 614 is planes, but is not limited to present embodiment, makes curved surface and also can.Be to use spur gear as each gear in the present embodiment, also can but be not limited to other gears such as present embodiment, use angular gear.
Figure 39 (a) and (b) be respectively the vertical view and the side view of second gear of the load driving mechanism of dish device of the present invention.
Described second gear 640 is formed by plastics, and as Figure 39 (a) and (b), it has: the downside gear 643 in middle footpath, and its pinion wheel 632 with described first gear set 630 meshes; Last side gear 641, with these downside gear 643 coaxial formation one, diameter less than this downside gear 643.
As Figure 39 (a) and (b), described go up side gear 641 above be provided with the contact site 642 of ring-type, its from this on side gear 641 above give prominence to upward.
This contact site 642 is installed on described second turning axle 315 of described transmission arm 650 and relative with the end face of this gathering sill 550 during gathering sill 550 engagings of the pin portion 662 of second turning axle 315 of this transmission arm 650 and described disc holder 51 at this second gear 640.This contact site 642 contacts, prevents that with the end face of described gathering sill 550 described second gear 640 breaks away from from described second turning axle 315 when this second gear 640 is moved upward.
Like this, tooth bar 540 owing to described disc holder 51 in present embodiment dish device 1 is parallel with gathering sill 550 and establishes, so with 550 engagements of these tooth bars 540 and gathering sill and described second gear 640 that engage and described transmission arm 650 interlock swimmingly, disc holder 51 manually move smooth and easy the carrying out of energy.
In addition, 642 when being moved upward with relative, described second gear 640 of end face of the gathering sill 550 of described disc holder 51 on described second gear 640, limiting it with the end face of this gathering sill 550 moves, stationary installation such as screw need not be established in the upper end of described second turning axle 315 just can prevent that described second gear 640 breaks away from from described second turning axle 315, has therefore realized that the member number is few, the simple load driving of installation exercise mechanism.
The bottom of described downside gear 643 and described pinion wheel 610 similarly are provided with spigot surface, gathering sill, chamfered section (not shown), so that this downside gear 643 can mesh smoothly with the pinion wheel 632 of described first gear set 630.
This second gear 640 with described first turning axle 314 as hollow shaft, with described second turning axle 315 as the axis of rotation, the planet wheel that rotates as the tooth bar 540 along described disc holder 51 constitutes, and the pinion wheel of described first gear set 630 plays the function as centre wheel.
Shown in Figure 37 and 38, on the body 651 of described transmission arm 650, be provided with to making the pinion wheel aspis 663 of described pinion wheel 632 outstanding usefulness above described body 651, the pinion wheel of described first gear set 630 from this pinion wheel aspis 663 expose, with downside gear 643 engagements of this part and described second gear 640.
Because have above structure, so the last side gear 641 of described second gear 640 is with 541 cooperations of the linearity tooth bar of described disc holder 51, when the pin portion 662 of described transmission arm 650 engages with the linearity gathering sill 551 of described disc holder 51 simultaneously, shown in Figure 27 (a) and 29 (a), be positioned at primary importance with the described cam member 572 of gear part 653 engagement of this transmission arm 650 guiding by described transmission arm 650, described disc holder 51 is carried to coiling the loading position from the dish drain position by the rotation of described second gear 640.
The last side gear 641 of described second gear 640 is with described circular-arc tooth bar 542 cooperations of described disc holder 51, when the pin portion 662 of described transmission arm 650 engages with the circular-arc gathering sill 552 of described disc holder 51 simultaneously, shown in Figure 27 (b) and 29 (b), by the guiding of described transmission arm 650 and described second gear 640, move to the second place from primary importance with the described cam member 572 of gear part 653 engagement of this transmission arm 650.
The words that are described in more detail then as mentioned above, during moving between dish drain position and dish loading position, the pin portion 662 of second turning axle 315 of described transmission arm 650 engages with the linearity gathering sill 551 of described disc holder 51 described cam member 572, described transmission arm 650 is in the state that can not rotate in described disc holder 51.Therefore described second gear 640 the pin portion 662 of described transmission arm 650 be in the state that is maintained at primary importance during the linearity gathering sill 551 of disc holder 51 engages.Shown in Figure 27 (a) and 29 (a), this second gear 640 cooperates with the linearity tooth bar 541 of described disc holder 51 under this state, utilizes the rotation of the described load motor 601 that transmits by described first gear set 630 to make described disc holder 51 move between dish drain position and dish loading position, work as the driven wheel of disc holder 51.
And when described disc holder 51 moved to front, dish loading position, the pin portion 662 of second turning axle 315 of described transmission arm 650 engaged with the circular-arc gathering sill 552 of described disc holder 51, described transmission arm 650 rotates along the circular arc of these circular-arc gathering sills 552.Under this state shown in dotted line among Figure 27 (b) and 29 (b), described second gear 640 cooperates with the circular-arc tooth bar 542 of described disc holder 51, along with the rotation of described load motor 601 circular arc along circular-arc tooth bar 542 moves, works as planet wheel.Along with the described cam member 572 of gear part 653 engagements of the rotation of described transmission arm 650 and this transmission arm 650 is moved to right-hand by the guiding of this transmission arm 650,, this rises to lifting position from down position along with moving the described mechanism assembly that engages with the cam path 591 of this cam member 572 32.
Above-mentioned dish device 1 also has the urgent output mechanism of the disc holder of representing with symbol 56 among Fig. 2.The urgent output mechanism 56 of this disc holder is positioned under the state of reproduction position in described disc holder 51, when being failure to actuate because of described load motors 601 such as power failures, from the anchor clamps patchhole 481 insertion anchor clamps of described preceding besel 46 this urgent cam 562 is rotated, thereby described cam member 572 is moved to primary importance from the second place like that as Figure 27 (a) and (b), like this front end of described disc holder 51 is discharged laterally from described apparatus main body 30 inside.
The following describes the action of dish device 1 of the present invention.This dish device 1 is when non-use, and empty disc holder 51 is in the state (dish loading position) that is housed in (in the apparatus main body 30) in the described housing 20.Mechanism assembly 32 is in lifting position under this state, and cam member 572 is in the second place shown in Figure 27 (b) and 29 (b).Second gear 640 of described load driving mechanism 57 in the left part of the circular-arc tooth bar 542 of described disc holder 51, be in the state that cooperates with this circular-arc tooth bar 542.
When carrying out discharging operation under this state, described load motor 601 clockwise direction are rotated, and making described transmission arm 650 and described second gear 640 by reducing gear is that the center is by clockwise direction rotation among the figure with described first turning axle 314.Under this state described second gear 640 play with described first turning axle 314 be hollow shaft as planetary effect, move to right-hand along with it rotates along the circular arc of described circular-arc tooth bar 542.Rotation along with this transmission arm 650, move to the primary importance shown in Figure 27 (a) and 29 (a) from the second place shown in Figure 27 (b) and 29 (b) with the described gear part 572 of gear part 653 engagement of this transmission arm 650, described like this mechanism assembly 32 also moves to down position from lifting position.
Move to linearity tooth bar 541, linearity gathering sill 551 from circular-arc tooth bar 542, the circular-arc gathering sill 552 of described disc holder 51 in the pin portion 662 of described second gear 640 of this moment, this second gear 640.Just be limited when described pin portion 662 laterally moving of described cam member 572 when described linearity gathering sill 551 moves like this.The driven wheel as described disc holder 51 moves in this position for the state that described thereupon transmission arm 650 also becomes can not rotate, described second gear 640.Therefore described second gear 640 cooperates, makes this disc holder 51 to move from dish loading position (reproduction position) to the dish drain position with the linearity tooth bar 541 of described disc holder 51.
In the described dish mounting portion 511 of described disc holder 51 that the opening 463 of the past besel 46 is drawn holding tray 10, when carrying out load operation, load motor 601 and above-mentioned opposite direction, i.e. rotation are withershins pressed rotation (counter-rotating) counterclockwise among Figure 27 (a) by described second gear 640 of described reducing gear.Described thereupon disc holder 51 rearward (inside of apparatus main body 30) moves, moves to the dish loading position.Dish 10 with the positioning states mounting is also carried by the dish loading position (reproduction position) in apparatus main body 30 on this disc holder 51 like this.
In the load of described disc holder 51, be that second gear 640 cooperates with the linearity tooth bar 541 of this disc holder 51 described in rearward move.Therefore described cam member 572 remains on primary importance, can not move to the second place.Its result is exactly that described transmission arm 650 can not remain on assigned position rotationally, and described second gear 640 rotates at its assigned position, work as the driven wheel of this disc holder 51.Described mechanism assembly 32 is kept the state that its front part is in down position.
When described disc holder 51 during near the dish reproduction position, the pin portion 662 of described transmission arm 650, described second gear 640 move and rotate along the circular arc of described circular-arc gathering sill 552, described circular-arc tooth bar 542 to described circular-arc gathering sill 552, described circular-arc tooth bar 542 from described linearity gathering sill 551, described linearity tooth bar 541.Under this state described second gear 640 cooperate with the circular-arc tooth bar 542 of described disc holder 51, along with the rotation of described load motor 601 circular arc along circular-arc tooth bar 542 moves, works as planet wheel.Rotation along with described transmission arm 650, move to left with the described cam member 572 of gear part 653 engagement of this transmission arm 650 guiding by transmission arm 650, along with this moves, the described mechanism assembly that engages with the cam path 591 of this cam member 572 32 rises to lifting position from down position.
When the CD 10 that is seated in dish device 1 inside was taken out, the switch of operating provision etc. carried out the unloading (discharge) of CD.Action above during this unloading is carried out on the contrary.
The embodiment of dish device of the present invention has been described above, but the present invention is not limited to the foregoing description, various improvement and change can be arranged in the described scope of claims.Certainly the invention is not restricted to optical disc apparatus such as CD, DVD, on other optical disc apparatus, disk set etc., can use.
The possibility of utilizing on the industry
As mentioned above, according to the present invention, before plate washer is installed on the besel time, owing to only press Installation exercise just can be finished in a position of the substantial middle of this plate washer back, so than existing plate washer Mounting structure is namely with near totally three positions the substantial middle of pressing the plate washer back and the two ends, plate washer front It is much easier to put the structure that the plate washer bending is installed on the besel forward, can improve the effect of manufacture process Rate, and reduce manufacturing cost.

Claims (7)

1, a kind of plate washer mounting structure, it is characterized in that, comprise plate washer that the disc holder that makes carrier opens and closes when coming in and going out and the supporting member that supports described plate washer, be provided with the axial region that supports this plate washer rotationally and become its center of rotation at the two ends of described plate washer length direction, the outer peripheral face of this axial region is provided with circumferential part and at least one pair of planar portions.
2, plate washer mounting structure as claimed in claim 1, wherein, a pair of described planar portions almost parallel in opposite directions.
3, plate washer mounting structure as claimed in claim 2, wherein, described axial region has pair of planar portion, and the shape of the axial transverse section of this axial region roughly becomes ellipse.
4, as each described plate washer mounting structure in the claim 1 to 3, wherein, described supporting member comprises the recess and the gathering sill that is connected with this recess with the engaging of described axial region, and the interval of the described pair of planar portion of the width of described gathering sill and described axial region about equally.
5, plate washer mounting structure as claimed in claim 4, wherein, described guiding groove section is located at the top of described recess.
6, as claim 4 or 5 described plate washer mounting structures, wherein, described guiding groove section is connected facial the composition by front face and rear face and with a side's of described front face and rear face end is interconnective, describedly connect facially, make described joint face portion be positioned at the opposing party's of described front face and rear face end along with its at least a portion forms the inclined-plane of inclination near described recess.
7, as each requires described plate washer mounting structure in the claim 1 to 6, wherein, one of described planar portions of described axial region is top parallel with described plate washer.
8, a kind of dish device wherein, has as each requires described plate washer mounting structure in the claim 1 to 7.
CN02801032A 2001-03-30 2002-03-26 Shutter mounting structure and disk device with shutter mounting structure Pending CN1460266A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001102608A JP2002298564A (en) 2001-03-30 2001-03-30 Shutter mounting structure and disk unit provided with the shutter mounting structure
JP102608/2001 2001-03-30

Publications (1)

Publication Number Publication Date
CN1460266A true CN1460266A (en) 2003-12-03

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CN02801032A Pending CN1460266A (en) 2001-03-30 2002-03-26 Shutter mounting structure and disk device with shutter mounting structure

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JP (1) JP2002298564A (en)
CN (1) CN1460266A (en)
WO (1) WO2002082444A1 (en)

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Publication number Priority date Publication date Assignee Title
JP4992644B2 (en) * 2007-10-04 2012-08-08 船井電機株式会社 Optical disk device

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
JPS5714483U (en) * 1980-06-28 1982-01-25
JPH0314297A (en) * 1989-06-13 1991-01-22 Matsushita Electric Ind Co Ltd Supporting device
JP3036350B2 (en) * 1994-04-07 2000-04-24 ティアック株式会社 Floating mechanism

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