JP3094496U - Optical disk drive - Google Patents

Abstract

(57) [Problem] To provide an optical disk drive device which can be manufactured at low cost and can prevent rattling of a disk tray for a long period of time. SOLUTION: The optical disk is composed of a box-shaped housing having an opening on the front surface, a resin member, and a holding position where the optical disk is held and rotatable in the housing, and partially protrudes forward from the opening. A disc tray movably disposed between a detachable position at which the disc tray can be detached, and a frame 20 disposed inside the housing and movably supporting the disc tray between the holding position and the detached position. The inner surface 20a of the frame 20 is provided on the rear end surface of the disc tray.
A resin elastic portion 18 that is elastically deformed by contacting with the member is integrally formed so as to protrude rearward.

Description

[Detailed description of the device]

[0001]

[Technical field to which the device belongs]

  The present invention is a CD-ROM (Compact Disc-Read Only Memory) or a DVD-RW. Disc-shaped recording media such as (Digital Versatile Disc-Rewritable) Optical disk drive device for loading and reproducing information and recording information .

[0002]

[Prior art]

  In an optical disk drive device, a disk-shaped recording medium (hereinafter , Also called an optical disk. ) The information recording track is illuminated from the optical pickup. Information is collected by converging and scanning the generated light beam as a minute spot. Recording and erasing are performed. It also plays back the information recorded on the optical disc. In this case, the information recording track of the optical disc that rotates at high speed is irradiated with a light beam, Information is read by receiving the reflected light.

[0003]   Generally, the loading of an optical disc into this type of optical disc drive is performed outside the housing. Set the optical disc on the disc tray that has been pulled out, and use the transport mechanism to This is done by storing the disk tray inside the housing. Mounted inside the housing The loaded optical disc is sandwiched between the turntable and clamper, Ascend from the tray. This enables high-speed rotation of the optical disc.

[0004]   The optical disk is loaded into the optical disk drive device, and the optical disk rotates at high speed. The wind generated by the rotation of the optical disk is Occurs in the department. Also, make sure that the disc tray has a flap so that it slides smoothly. It is attached to the ram with some clearance. Therefore, the optical disc The wind generated by rolling causes rattling of the disc tray. There Therefore, in the conventional optical disk drive device, the disk tray fits inside the housing. Provided with some means for fixing the disc tray to the frame in the loaded state It was being done.

[0005]   As the above-mentioned fixing means, for example, the upper surface of the disc tray may be opposed to The protrusion is provided at a position where There is one provided in (for example, refer to Patent Document 1). However, with this structure Prevents the disc tray from rattling in the vertical direction, but It is not possible to prevent the disc tray from rattling in the direction I couldn't say that.

[0006]   Also, as another fixing means, curved leaf springs are attached on both sides inside the frame. Some of them have been scraped off (see Patent Document 2, for example). In this structure, the leaf spring The disc tray is fixed to the frame. However, this structure The disc tray is prevented from rattling in the left / right direction, but It was not enough to prevent the disc tray from rattling in the front-back direction.

[0007]   For this reason, disc trays in all directions, up and down, left and right, and front and back A structure capable of preventing rattling has been required. As a structure that meets this requirement There is an optical disk drive device having the following structure.

[0008]   FIG. 7 is a top view of a conventional optical disc drive device. Note that FIG. In the figure, the illustration of the housing, turntable, optical pickup, etc. is omitted. . The optical disk drive device mainly includes a housing and a frame 2 disposed inside the housing. 0, the disc tray 10 movably supported by the frame 20, and the frame 2 0, and a slider 30 that engages with the disc tray 10.

[0009]   On the upper surface of the disc tray 10, a disc mounting portion 12 on which an optical disc is mounted is mounted. Are formed. At the center of the disc tray 10, the turntable is raised and lowered, And the light beam emitted from the optical pickup to the information recording track of the optical disc. An opening 11 that allows irradiation is formed. Turntable through this opening 11 The optical disc set on the disc mounting portion 12 is checked as the optical disc is raised. The light beam is pushed up to the jacking position, and the light beam is transmitted through the opening 11. By irradiating the information recording track of the disk, information recording and reproduction can be performed. Will be realized.

[0010]   A guide provided on the inner side surface of the frame 20 is provided at a side end of the disc tray 10. A supported portion 13 that engages with the portion 26 is provided. The guide portion 26 and the supported portion The disc tray 10 is supported by the frame 20 by engaging with the frame 13. At the same time, the disc tray 10 becomes movable in the front-rear direction. Will be installed in.

[0011]   On the lower surface of the disc tray 10, the protrusions 33, 3 provided on the slider 30 are provided. 4 are formed with guide grooves 16 and 17. Also, the disc tray 10 At a predetermined position on the lower surface of the rack 14, a rack 14 is formed in the front-rear direction. This la The lock 14 is a power transmission mechanism (timing belt) attached to the frame 20. 22, the relay gear 23, the first pinion 24, the second pinion 25), the second pinion The drive force of the motor 21, which is the drive source, is meshed with the ON 25 and the disc tray 1 0, and plays the role of moving the disc tray 10 in the front-back direction.

[0012]   In the optical disc drive device having the above configuration, the disc tray 10 is It is supported by the boom 20 with some clearance. With this clearance Therefore, the disc tray 10 can be slid smoothly. However , The disc tray 10 was housed inside the casing, and the optical disc was chucked. In this state, the disc tray 10 is firmly fixed to the frame 20. Need to If this fixing is not enough, the optical disc will not rotate at high speed. The vibration and wind pressure caused by causes vibration and rattling in the disc tray 10. Let As a result, when the disc tray 10 collides with the frame 20, This will cause unpleasant noise.

[0013]   Therefore, in the conventional optical disc drive device shown in FIG. With the tray 10 accommodated inside the housing, the disc tray 10 is framed. The frame 2 corresponding to the rear end surface of the disc tray 10 is fixed to the frame 20. Cushion material 50 is attached to the inner wall surface 20a of No. 0. This cushion material 50 Is made of an elastic material typified by flexible urethane foam, for example. With the ray 10 housed inside the housing, A member that pushes the disc tray forward by contacting and deforming is there. With this cushion material, the disc tray 10 and the frame 20 can be fixed to each other. It is performed so that rattling does not occur.

[0014]

[Patent Document 1]   JP, 2000-187916, A

[0015]

[Patent Document 2]   JP-A-8-7431

[0016]

[Problems to be solved by the device]

  However, in the optical disc drive device having the above structure, To prevent rattling of the lei, it is necessary to attach a cushion material to the frame separately. Therefore, the manufacturing process was complicated. Also used as cushion material Flexible urethane foam is a relatively expensive material, which increases manufacturing costs. I was walking. Furthermore, if the optical disk drive is used for a long period of time, The flexible urethane foam loses its elasticity over time, causing rattling. Sometimes it happened.

[0017]   Therefore, the present invention has been made to solve the above problems, and Value, and disc tray rattles An object of the present invention is to provide a preventable optical disk drive device.

[0018]

[Means for Solving the Problems]

  An optical disk drive device according to a first aspect of the present invention includes a housing and a disk drive. It includes a ray, a frame, and a slider. The case is box-shaped with an opening in the front Have a shape. The disc tray is made of resin material and is used for holding, ejecting, and Also, it is movably arranged between the attachment and detachment positions. The holding position is inside the housing. This is the position where the disc-shaped recording medium is held and can be rotated. The disc-shaped recording medium is no longer held, protruding partially from the opening toward the front. The attachment / detachment position is the position where This is the position where the disk-shaped recording medium can be taken out and attached. The frame is inside the housing The disc tray can be freely moved between the holding position and the attaching / detaching position. To support. The slider is a power transmission mechanism that engages with the disc tray and includes a drive source. Drive the disc tray to move in a direction substantially parallel to the front of the chassis, The holding position is moved to the discharging position. Frame is a disc tray It has a guide part for sandwiching the side end of the and guiding the movement. Disc tray The slider is installed on the surface opposite to the surface on which the disc-shaped recording medium is placed. It has a guide groove that engages with the projected portion. On the rear edge of the disc tray, The resin elastic part that elastically deforms by contacting the inner wall surface of the rame projects integrally toward the rear. It is formed out. This resin elastic part moves backward from the rear end face of the disc tray. The elastically deformable portion extending in a substantially L-shape toward the end, and a cover provided at the tip of the elastically deformable portion. And a pressing portion.

[0019]   In this way, the resin elastic portion that protrudes rearward is provided on the rear end surface of the disc tray. By integrally forming it, rattling of the disc tray is prevented. It More specifically, when the disc tray is in the holding position, The disc tray faces forward by the contact of the elastic part with the inner wall surface of the frame. Is pressed and urged simultaneously, the guide groove and the slide The disc tray faces rearward due to the engagement with the protrusion on the lid. It is pressed and urged. The forward biasing force and the backward biasing force cause The disc tray is prevented from rattling back and forth. In addition, The guide part that holds the side edge of the tray Since rattling in the vertical and horizontal directions is also prevented, In the meantime, the rattling of the disc tray is completely prevented. Based on the above When the optical disc is chucked, the disc tray Since it is firmly fixed to the disc tray, rattling of the disc tray is prevented and noise It is possible to provide an optical disk drive device that is unlikely to occur. Also, with this configuration Because the resin elastic part is formed by integral molding when molding the disc tray. The manufacturing process can be simplified and the manufacturing cost can be reduced.

[0020]   An optical disk drive device according to a second aspect of the present invention includes a housing and a disk drive. It includes a ray and a frame. The case has a box shape having an opening on the front surface. . The disc tray is made of resin material and can be moved between the holding position and the detaching position. It is installed in. The holding position is such that the disc-shaped recording medium is held inside the housing. It is a position where it can be rotated and is attached and detached from the opening toward the front. It is a position where the disc-shaped recording medium can be detached and attached. The frame is Arranged inside the case, the disc tray can be moved between the holding position and the detaching position. To support. The rear end surface of the disc tray comes into contact with the inner wall surface of the frame and elastically deforms. The resin elastic portion is integrally formed so as to project rearward.

[0021]   In this way, the resin elastic portion that protrudes rearward is provided on the rear end surface of the disc tray. By forming the disc tray, the disc tray is prevented from rattling. this Allows the disc tray to move freely when the optical disc is chucked. Since it is firmly fixed to the disk, the rattling of the disc tray is prevented, It is possible to provide an optical disk drive device in which sound hardly occurs. Also, the main structure In the formation, the resin elastic portion is integrally formed when the disc tray is formed. Therefore, the manufacturing process can be simplified and the manufacturing cost can be reduced.

[0022]   An optical disk drive device based on the second aspect of the present invention is, for example, The resin elastic portion extends rearward from the rear end surface of the disc tray in a substantially L shape. It is preferable that the elastically deformable portion and the pressed portion provided at the tip of the elastically deformable portion are included. Yes.

[0023]   With such a configuration, the resin elastic portion can be configured with a very simple structure. It becomes possible to manufacture easily.

[0024]   An optical disk drive device based on the second aspect of the present invention is, for example, , The front of the chassis that is engaged with the disc tray and driven by the power transmission mechanism including the drive source The disc tray moves from the holding position to the disc Further equipped with a slider to move to the ejection position where the holding of the recording medium is released Preferably. In addition, the frame holds the side edge of the disc tray. It is preferable to have a guide part for guiding the movement. Also, the disc tray The slider is provided on the surface opposite to the mounting surface on which the disk-shaped recording medium is mounted. It is preferable to have a guide groove that engages with the formed protrusion.

[0025]   In this way, the slider is provided with a protrusion that engages with the guide groove of the disc tray. By providing the frame with a guide part that holds the side edges of the disc tray, Rattling is prevented in all directions, up and down, left and right, and front and back Like This makes it possible to manufacture an optical disk drive device that is less prone to noise at low cost. It becomes possible to do.

[0026]

[Embodiment of device]

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

[0027]   FIG. 1 is a schematic perspective view of the optical disk drive device according to the present embodiment. 2 is a disc tray of the optical disc drive device according to the present embodiment. 3 is a bottom view of FIG. FIG. 4 shows an optical disc according to the present embodiment. Top view showing the state in which the disc tray is in the eject position in the scribing device FIG. 5 is a top view showing a state in which the disc tray is in the holding position. It 6 is a schematic cross-sectional view of the optical disk drive device in the state shown in FIG. is there.

[0028]   (External structure of optical disk drive)   First, with reference to FIG. 1, an appearance of an optical disk drive device according to the present embodiment. The structure will be described. As shown in FIG. 1, the optical disc drive according to the present embodiment is The live device is mainly disposed inside the housing 1 and a housing 1 having an opening 2 on the front surface. A frame 20 (see FIGS. 4 and 5) and a frame 20 movably supported by the frame 20, The disc tray 10 made of a resin member and the frame 20 are attached to the disc tray. A slider 30 (see FIGS. 4 and 5) that engages with the tray 10 is provided.

[0029]   To load the optical disk 40 into the optical disk drive device, pull it out of the housing 1. The optical disc 40 is set on the disc mounting portion 12 of the disc tray 10 By storing the disc tray 10 inside the housing 1 using the transport mechanism, Done. It should be noted that FIG. 1 shows a disk tray from the front opening 2 of the housing 1 toward the front. (A) Part of the optical disk 40 pops out, and the optical disk 40 can be installed and removed at the detachable position. The state where the tray 10 is located is shown.

[0030]   (Structure of disc tray)   Referring to FIG. 2 and FIG. 3, the optical disc drive device according to the present embodiment will be described. The structure of the disc tray will be described in detail. As shown in FIG. The disc tray 10 in the state is a disc for mounting an optical disc on its upper surface. It has a mounting portion 12. The disc mounting portion 12 is provided on the upper surface of the disc tray 10. It is configured by forming a concave portion, and the optical disk 4 is formed by the wall surface of the concave portion. 0 is positioned. The decorative plate 1 is attached to the front end of the disc tray 10. 9 is attached.

[0031]   The disc tray 10 has an opening 11 in the center thereof. This opening 11 is With the disc tray 10 housed inside the housing 1, the turntable Is an opening that can be moved up and down, and is also emitted from the optical pickup. Even an opening for irradiating the information recording track of the optical disc 40 with the generated light beam is there. When the turntable rises through this opening 11, the disc is mounted. The optical disc 40 set in the holder 12 is pushed up to the chucking position, Further, the light beam is directed to the information recording track of the optical disc 40 through the opening 11. Information is recorded and reproduced by being irradiated.

[0032]   As shown in FIGS. 2 and 3, the side edge of the disc tray 10 is provided with a flap to be described later. A supported portion 13 that engages with the guide portion 26 of the frame 20 is provided. This support The holding portion 13 is formed so as to project laterally from the disc tray 10.

[0033]   In addition, as shown in FIG. The guide grooves 16 and 17 that engage with the protrusions 34 and 35 of the -30 are provided. This The guide grooves 16 and 17 extend in the front-back direction of the disc tray 10. , Its front end is curved in a substantially vertical direction.

[0034]   In addition, the predetermined position on the lower surface of the disc tray 10 is located in the rack 1 toward the front-rear direction. 4 are formed. The rack 14 is attached to a frame 20 described later. Among various power transmission mechanisms, it meshes with the second pinion 25 (see FIGS. 4 and 5). ), The driving force of the motor 21 which is the driving source is transmitted to the disc tray 10, It serves to move the tray 10 in the front-rear direction.

[0035]   As shown in FIGS. 2 and 3, a resin elastic portion is provided on the rear end surface of the disc tray 10. 18 is formed. The resin elastic portion 18 is formed from the rear end surface of the disc tray 10 to the rear side. The elastically deformable portion 18b that extends in a substantially L-shape toward the left side and the elastically deformable portion 1 And a pressed portion 18a provided at the tip of 8b. The disc tray 10 Is formed by injection molding using a resin member (for example, ABS resin). It At the time of this injection molding, the resin elastic portion 18 is also integrated with the disc tray 10. It is formed.

[0036]   (Internal structure of optical disk drive device)   Next, the internal structure of the optical disk drive device according to the present embodiment will be described. To do. As shown in FIGS. 4 and 5, the frame 20 has a guide portion 2 on its inner surface. It has a plurality of 6. The supported portion of the disc tray 10 is supported by the guide portion 26. The disc tray 10 is supported by the frame 20 by sandwiching 13 At the same time, the disc tray 10 can slide in the front-back direction. There is. Further, the frame 20 has an inner wall surface 20a on the rear side.

[0037]   In addition, at a predetermined position of the frame 20, the motor 21, the timing belt 22, A disc tray including a joint gear 23, a first pinion 24, and a second pinion 25. The transport mechanism of B is attached. Of these, the first pinion 24 is a slide The second pinion 25 engages with the rack 32 provided on the dar 30 It meshes with the rack 14 of the tray 10.

[0038]   The slider 30 is attached to a predetermined position of the frame 20 and is located in front of the housing 1. It is arranged so as to be movable in a direction substantially parallel to the plane. The protrusion 34 of the slider 30 , 35 are engaged with guide grooves 16 and 17 formed on the lower surface of the disc tray 10. ing. This allows the slider 30 to move in accordance with the movement of the disc tray 10. By moving to the left and right, you can move the turntable through a cam structure (not shown). It becomes possible to raise.

[0039]   (Fixing the disc tray)   As shown in FIG. 4, when the disc tray 10 is in the eject position, The resin elastic portion 18 provided on the rear end surface of the disk tray 10 is an inner wall of the frame 20. It does not contact the surface 20a. However, as shown in FIG. When the b 10 is completely housed inside the housing 1 and reaches the holding position, resin elasticity The pressed portion 18a of the portion 18 is in contact with the inner wall surface 20a of the frame 20.

[0040]   As shown in FIG. 6, the disc tray 10 is housed inside the housing 1 and is at the holding position. In some cases, the disc tray 10 is fronted by the inner wall surface 20a of the frame 20. The elastically deformable portion 18b of the resin elastic portion 18 is bent and biased toward one side. It becomes a state. On the other hand, the protrusions 34 and 35 of the slider 30 are By making contact with the guide grooves 16 and 17 of the disc tray 10, Once pressed. That is, the resin elastic portion 18 is the inner wall surface of the frame 20. The disc tray 10 is pressed and urged forward by contacting with 20a. Force and the guide grooves 16 and 17 are engaged with the protrusions 34 and 35 of the slider 30. The force of pushing the disc tray 10 backward by The disk tray 10 is securely fixed in the front-rear direction.

[0041]   In addition, the disc tray 10 has a frame with a supported portion 13 provided at a side end thereof. By being sandwiched by a plurality of guide portions 26 provided on the inner wall surface of the frame 20, , It is securely fixed in the vertical and horizontal directions. In addition, the decorative plate 19 is a casing. When the disc tray 10 is housed on the front surface of the body 1, the disc tray 10 is oriented in the vertical and horizontal directions. It will be fixed once.

[0042]   (effect)   As described above, the disc tray 10 is housed inside the housing 1. , When the holding position is reached, the disc tray 10 moves back and forth, left and right, and up and down. Since it is securely fixed to the frame 20, the optical disc rotates at high speed. The disc tray 10 rattles due to vibration or wind pressure caused by Will disappear. This prevents the disc tray 10 from colliding with the frame 20. The generation of noise due to is prevented, and the user does not feel uncomfortable. Well Further, it is possible to integrally provide a resin elastic portion during the injection molding of the disc tray 10. Therefore, it is possible to easily manufacture without increasing the manufacturing process separately. Become. Furthermore, the resin elastic portion 18 is a cushion material such as soft urethane foam. The durability of the disc tray 10 is It is possible to prevent fluttering, and to use a highly reliable optical disk drive device. Will be possible.

[0043]   It should be noted that, in the above-described embodiment, as the transport mechanism of the disc tray, as shown in Also, the case where the mechanism shown in FIG. 5 is adopted has been described as an example. The present invention is not limited to this, and it is also possible to adopt another transport mechanism. In addition, The disk tray support structure is not limited to the structure of the above-described embodiment. Absent.

[0044]   In addition, the present invention is a CD (Compact Disc), a CD-ROM, a CD-R, a CD-R. W (Compact Disc-Rewritable), DVD, DVD-ROM (Digital Versatile) Disc-Read Only Memory), DVD-RW, and other optical information recording media It is applicable to Eve devices.

[0045]   As described above, the above-described embodiments disclosed this time are examples in all respects, and It's not the one. The technical scope of the present invention is defined by the scope of claims for utility model registration. And the meaning equivalent to the scope of claims for utility model registration and all within the scope It includes the change of.

[0046]

[Effect of device]

  With the present invention, it is possible to manufacture at low cost and for a long period of time. It is possible to provide an optical disk drive device that can prevent rattling of the tray. Become.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a case where a disc tray is in a detachable position in an optical disc drive device according to an embodiment of the present invention.

FIG. 2 is a top view of the disc tray of the optical disc drive device according to the embodiment of the present invention.

FIG. 3 is a bottom view of the disc tray of the optical disc drive device according to the embodiment of the present invention.

FIG. 4 is a top view of the optical disc drive device when the disc tray is at the eject position according to the embodiment of the present invention.

FIG. 5 is a top view of the optical disc drive device when the disc tray is at the holding position according to the embodiment of the present invention.

FIG. 6 is a schematic cross-sectional view of the optical disc drive device when the disc tray is at the holding position according to the embodiment of the present invention.

FIG. 7 is a top view of an optical disc drive device for explaining a transport mechanism in a conventional optical disc drive device.

[Explanation of symbols]

1 housing, 2 (front) opening, 10 disc tray,
11 openings, 12 disk mounting portion, 13 supported portion,
14 racks, 15 stoppers, 16 and 17 guide grooves,
18 resin elastic portion, 18a resin deformed portion, 18b pressed portion, 19 decorative plate, 20 frame, 20a inner wall surface, 21 motor, 22 timing belt, 23
Relay gear, 24 first pinion, 25 second pinion,
26 engaging portion, 27 stopper, 30 slider, 32
Racks, 33, 34 protrusions, 40 optical disks.

Claims (4)

[Scope of utility model registration request] 1. A box-shaped housing having an opening on the front surface, and a holding position made of a resin member, in which the disk-shaped recording medium is held and rotatable, and a portion from the opening toward the front. Movably disposed between the ejecting position where the disc-shaped recording medium is released and the ejection position where the disc-shaped recording medium is released, and the detachable position where the disc-shaped recording medium can be detached from the opening partly protruding further forward. And a frame disposed inside the housing for movably supporting the disc tray between the holding position and the attachment / detachment position, including a drive source engaged with the disc tray. A slider for moving the disc tray from the holding position to the ejecting position by being driven by a power transmission mechanism to move in a direction substantially parallel to the front surface of the housing. The frame has a guide portion for sandwiching a side end of the disc tray to guide the movement, and the disc tray is a surface opposite to a mounting surface on which the disc-shaped recording medium is mounted. A guide groove that engages with a protrusion provided on the slider, and a resin elastic portion that elastically deforms by abutting the inner wall surface of the frame is integrally rearwardly provided on the rear end surface of the disc tray. The resin elastic portion is formed so as to protrude toward the rear side, and the resin elastic portion extends toward the rear from the rear end surface of the disc tray in a substantially L-shape, and the pressed portion provided at the tip of the elastic deformation portion. And an optical disk drive device. 2. A box-shaped housing having an opening on the front surface, a holding position made of a resin member, in which the disk-shaped recording medium can be held and rotated, and a front portion from the opening. A disk tray that is partially protruded and is movably arranged between an attachment / detachment position at which the disc-shaped recording medium is attachable / detachable; A frame that is movably supported between the position and a position, and a resin elastic portion that elastically deforms by being brought into contact with the inner wall surface of the frame is formed on the rear end surface of the disc tray so as to integrally project rearward. Optical disk drive device. 3. The resin elastic portion includes an elastically deformable portion extending rearward from the rear end surface of the disc tray in a substantially L-shape, and a pressed portion provided at a tip of the elastically deformable portion. The optical disk drive device according to claim 2. 4. The disc tray is moved from the holding position to the disc tray by being engaged with the disc tray and driven by a power transmission mechanism including a drive source to move in a direction substantially parallel to the front surface of the housing. It further comprises a slider that partially protrudes forward from the opening and moves to a discharge position where the holding of the disc-shaped recording medium is released, and the frame holds the side end of the disc tray to guide the movement. A guide groove that engages with a protrusion provided on the slider, on the surface of the disk tray opposite to the mounting surface on which the disk-shaped recording medium is mounted. Item 5. The optical disk drive device according to item 2 or 3.