JP2006018941A - Support frame for optical disc apparatus and optical disc apparatus - Google Patents

Abstract

An object of the present invention is to provide a support frame for an optical disc device and an optical disc device that can realize at least one of thinness and weight reduction.
The support frame 2 has neither an upper cover nor a bottom cover, and is constituted by a frame that continuously surrounds both side surfaces and the rear surface of the disk tray 1 without notches to ensure strength. The support frame 2 is manufactured by a die casting method using a metal material such as an aluminum material, a zinc material, or a magnesium material, or manufactured by a press method using a metal plate such as an iron plate, an aluminum plate, or a magnesium plate, or PPS (polyphenylene sulfide). ), POM (polyacetal), LCP (liquid crystal polymer) and the like are manufactured by compound molding of the metal plate, or the forging method using a metal material such as an aluminum material, the entire optical disk drive device is distorted during operation or operation, An optical disk drive device that has a strength that prevents deformation
[Selection] Figure 1

Description

  The present invention relates to a support frame for an optical disk device and an optical disk device mounted on a PC device such as a personal computer and a mobile computer, a mobile terminal device, and a video device.

  CD optical discs such as CD-ROM, CD-R, CD-RW, DVD optical discs such as DVD-ROM, DVD-R, DVD-RW, DVD-RAM, optical discs compatible with blue lasers, etc. 2. Description of the Related Art There is known an optical disc apparatus that performs at least one of reproducing information from an optical disc (hereinafter abbreviated as an optical disc) and recording information on the optical disc. Such an optical disk device is mounted on a computer device such as a personal computer. However, for a small personal computer such as a notebook personal computer, the optical disk drive device is also reduced in size and thickness.

  Such an optical disk apparatus has a disk tray that can move between a loading position and an ejection position of an optical disk with respect to a box-shaped support frame, and is installed in the disk tray in a state in which the disk tray is stored in the support frame. The information recorded on the optical disc is read and reproduced by the optical head and its driving mechanism.

  The box-shaped support frame is formed by using a sheet metal having a plate thickness of 0.4 mm to 0.5 mm on a housing-like bottom cover formed in a substantially rectangular shape using a sheet metal having a plate thickness of 0.4 mm to 0.5 mm. It is configured by fixing a casing-shaped upper cover formed in a substantially rectangular shape.

The configuration of a conventional optical disk drive device for a notebook personal computer is described in, for example, (Patent Document 1) and (Patent Document 2).
JP 2001-307460 A JP 2003-151199 A

  Currently, there is a demand for further thinning of notebook personal computers, and accordingly, further thinning of optical disk devices is required, but in conventional optical disk devices, the disk tray is covered with a bottom cover from the bottom surface, Since the upper cover is covered with the upper cover, the limit thickness is about 7.5 mm, which has a problem in further reducing the thickness.

  In addition, since the optical disc device is mounted inside the casing of the notebook computer, the bottom cover and upper cover may not be required depending on the internal configuration of the notebook computer, which hinders the thickness reduction of the notebook computer itself. Had the problem of becoming.

  Further, electronic devices are also required to be reduced in weight, and as a result, optical disc devices mounted on the electronic devices are also required to be reduced in weight.

  Accordingly, an object of the present invention is to provide a support frame for an optical disk device and an optical disk device that can realize at least one of thinning (8.0 mm or less) and weight reduction.

  In order to solve this problem, a support frame, a disc tray provided to be movable relative to the support frame and attached to the support frame, a rotation drive unit provided on the disc tray for rotating the optical disc, and a disc tray And an optical head that records and / or reproduces information by irradiating the optical disk with light, and the front and back surfaces of the disk tray are exposed when the disk tray is stored in the support frame.

  According to the present invention, since the disc tray is held by the support frame, an extremely thin optical disc apparatus can be constructed, and further, the disc tray is supported by the support frame from which extra portions are removed as much as possible. .

  The invention according to claim 1 is a support frame, a disc tray provided to be movable relative to the support frame and attached to the support frame, a rotation driving unit provided on the disc tray and rotating the optical disc, An optical head that is provided on the disc tray and performs at least one of recording and reproduction of information by irradiating the optical disc with light, and when the disc tray is stored in the support frame, the front and back surfaces of the disc tray are It is an optical disk device characterized by being exposed, and since it is configured to hold a disk tray with a support frame, an extremely thin optical disk device can be configured, and further, the disk tray is supported with a support frame from which extra portions are removed as much as possible. Weight reduction is also possible.

  According to a second aspect of the present invention, in the optical disk apparatus according to the first aspect, the support frame comprises a pair of opposing side portions and a connecting portion that connects the pair of side portions. Can have a very simple configuration.

  The invention according to claim 3 is characterized in that a rail is provided between a side portion of the support frame and a side portion of the disc tray, and the disc tray and the support frame are movably attached to each other. The optical disk apparatus according to 2, wherein the optical disk apparatus can smoothly move between the disk tray and the support frame.

  According to a fourth aspect of the present invention, there is provided an optical disc apparatus according to the first aspect, wherein the support frame is substantially U-shaped, and a disc tray can be inserted / removed at an open portion of the support frame. It can be set as a simple structure.

  The invention according to claim 5 is characterized in that the support frame is provided integrally with the upright portion and the upright portion, and at least a part of the protruding portion protruding inside the support frame is provided. In the optical disk device described above, since the cross section of the support frame can be substantially L-shaped, the mechanical strength of the support frame itself can be improved.

  The invention according to claim 6 is the optical disk apparatus according to claim 2, wherein the support frame has a side part and a connecting part integrally formed, and there is no connecting part of each member. In addition, productivity and the like can be improved.

  The invention according to claim 7 is the optical disc apparatus according to claim 1, wherein the support frame is configured by connecting a plurality of members. For example, by changing the material for each member, One of the members can be made of a material having high mechanical strength, and the other member can be made of a material that can be reduced in weight. Or since each member can be comprised in substantially rod shape, the number of the members which can be taken from one board | plate material etc. can be increased.

  The invention according to claim 8 is the optical disc apparatus according to claim 1, wherein the support frame is made of at least one material of aluminum, zinc, magnesium, polyphenylene sulfide, polyacetal, and liquid crystal polymer. The strength can be maintained to some extent or the weight can be reduced.

  The invention according to claim 9 is the optical disc apparatus according to claim 1, wherein a cover is provided on at least one of the upper surface and the lower surface of the support frame, and the dust frame is improved and the mechanical strength of the support frame itself is increased. Can also be raised.

  The invention according to claim 10 is the optical disk apparatus according to claim 9, wherein the cover is made of a metal such as iron, aluminum, magnesium, etc. Even if the cover is provided, the weight can be reduced. .

  According to the eleventh aspect of the present invention, a tray cover is provided on a side of the disc cover opposite to the side on which the optical disk is mounted, and a raised portion is provided on the tray cover, and the raised portion is provided on the support frame so as to avoid the raised portion. 10. The optical disk device according to claim 9, wherein the cover is provided with an opening, and the cover does not run over the raised portion by providing the cover with an opening so as to avoid the raised portion of the tray cover. Therefore, it can be thin.

  The invention according to claim 12 is a support frame for an optical disc apparatus for holding a disc tray so that the disc tray can be mounted, wherein a connecting portion is provided between the pair of side portions and the pair of side portions. This is a support frame for an optical disk device that holds the disk tray with a simple configuration, so that an extremely thin optical disk device can be configured, and the disk tray is supported by a support frame from which extra portions are removed as much as possible. Also possible.

  According to a thirteenth aspect of the present invention, there is provided a support frame for an optical disk apparatus according to the twelfth aspect, wherein the standing portion and the protruding portion that is provided integrally with the standing portion and protrudes inward are provided at least in part. Yes, mechanical strength can be increased.

  The invention according to claim 14 is the optical disk apparatus support frame according to claim 12, characterized in that the side part and the connecting part are integrated, and there is no connecting part of each member, so that the mechanical strength is increased. In addition, productivity can be improved.

  The invention described in claim 15 is a support frame for an optical disk device according to claim 12, which is configured by connecting a plurality of members. For example, by changing the material for each member, One can be made of a material with high mechanical strength, and the other members can be made of a material that can be measured. Or since each member can be comprised in substantially rod shape, the number of the members which can be taken from one board | plate material etc. can be increased.

  The invention described in claim 16 is a support frame for an optical disk apparatus according to claim 12, characterized in that it is composed of at least one of aluminum, zinc, magnesium, polyphenylene sulfide, polyacetal, and liquid crystal polymer. At least one of strength improvement or weight reduction can be realized.

  Hereinafter, the best mode for carrying out the present invention will be described more specifically with reference to the drawings. Here, in the accompanying drawings, the same reference numerals are given to the same members, and duplicate descriptions are omitted. In addition, since description here is the best form by which this invention is implemented, this invention is not limited to the said form.

(Embodiment 1)
1 is a perspective view of a disk tray of an optical disk apparatus according to Embodiment 1 of the present invention in a discharge position, FIG. 2 is a perspective view of a disk tray of the optical disk drive apparatus of FIG. 1 in a loading position, and FIG. FIG. 4 is a partially enlarged perspective view from the rear side of the rail side when the disc tray of the optical disc drive apparatus in FIG. 1 is in the ejection position. 5 is a partially enlarged perspective view of the rail side when the disc tray of the optical disc drive apparatus of FIG. 1 is in the ejection position, and FIG. 6 is a view of the rail side when the disc tray of the optical disc drive apparatus of FIG. 1 is in the ejection position. It is a partial expansion perspective view from the back.

  As shown in FIG. 1, 1 is a disk tray, 2 is a support frame, the support frame 2 has neither an upper cover nor a bottom cover, and both side surfaces and the rear surface of the disk tray 1 are notched to ensure strength. The support frame 2 is manufactured by a die casting method using a metal material such as an aluminum material, a zinc material, or a magnesium material, or a metal such as an iron plate, an aluminum plate, or a magnesium plate. Manufactured by a press method using a plate, or manufactured by composite molding of PPS (polyphenylene sulfide), POM (polyacetal), LCP (liquid crystal polymer), etc. and the metal plate, or a forging method using a metal material such as an aluminum material This prevents the entire optical disk drive device from being distorted or deformed during operation or operation. Strength is ensured. Reference numeral 3 denotes a rotation drive mechanism for mounting and rotating an optical disk (not shown), 4 an optical head installed so as to be movable in the radial direction of the optical disk, and 5 a feed motor (not shown). This is an optical head moving mechanism that moves the optical head 4 within a predetermined moving range in the radial direction of the optical disk by driving. 6 is engaged with the left side surface of the disc tray 1 and is movably locked to the disc tray 1 within a predetermined range. Further, it is engaged with the inner side of the left side surface of the support frame 2, and On the other hand, a rail 7 that is locked so as to be movable within a predetermined range engages with the right side surface of the disc tray 1 and is locked so as to be movable within a predetermined range with respect to the disc tray 1 and further supported. A rail that engages with the inside of the right side surface of the frame 2 and is movably locked to the support frame 2 within a predetermined range, and 8 is an interface for exchanging information with an external device (not shown). A connector 9 is a flexible printed circuit board, and the printed circuit board 9 electrically connects a control board (not shown) mounted on the back surface of the disk tray 1 and the interface connector 8.At this time, the printed circuit board 9 has a form of getting over the surface of the support frame 2 from the rear rear surface of the support frame 2 to the rear surface of the support frame 2 with the interface connector 8. Various electronic components such as an integrated circuit (not shown) are mounted on the control board, and all information processing between the optical disk device and the external device is performed.

  As shown in FIG. 2, 10 is an eject button. When the disc tray 1 is in the loading position, the printed circuit board 9 is stored in a predetermined location (not shown) in the disc tray 1.

  As shown in FIG. 3, 11 is a locking claw for locking the rail 6 provided on the support frame 2, and 12 is a key-like part provided at the rear end of the rail 6.

  As shown in FIG. 4, 21 a is a locking claw for locking the rail 6 provided on the disc tray 1, and 6 b is a key-like portion provided at the front end of the rail 6.

  As shown in FIG. 5, 15 is a locking claw for locking the rail 7 provided on the support frame 2, and 16 is a key-like portion provided at the rear end of the rail 7.

  As shown in FIG. 6, 17 is a locking claw for locking the rail 7 provided on the disc tray 1, and 18 is a key-like portion provided at the front end of the rail 7.

  Next, each part will be described in detail.

  The disc tray 1 is preferably made of a resin material or the like, and is provided with an optical disc mounting area 1a on which an optical disc is mounted, and a step portion 1b that is one step higher than the optical disc mounting area outside the optical disc mounting area 1a. Yes. The optical disk mounting area 1a is formed in a substantially circular shape, and is configured to be slightly larger than the maximum diameter optical disk that can be mounted in the optical disk device. The disk tray is further provided with an opening 1c. At least a part of the optical head moving mechanism 5 is exposed from the opening 1c. The optical head moving mechanism 5 and the disk tray 1 are not shown. However, it is fixed with a screw or the like through a damper material. The optical head moving mechanism 5 is an optical head 4 that is held by a not-shown holding body made of at least a metal plate, resin, or the like so as to be movable by each not-shown axis, or one of the respective axes. A feed motor (not shown) that rotates the drive shaft and a rotation drive mechanism represented by a spindle motor are attached. In the present embodiment, as shown in FIG. 1, a cover 5a made of resin or a metal plate is further provided to cover each part.

  The disk tray 1 has a substantially rectangular outer shape as a whole, and a bezel 1d is attached to the front end surface by a joining means such as an engaging means or screwing or an adhesive means such as an adhesive.

  Next, the support frame 2 will be described.

  The support frame 2 basically connects the side part 2a to which the rail 6 is attached, the side part 2b that is provided opposite to the side part 2a and to which the rail 7 is attached, and the side parts 2a and 2b at the rear end part. It has at least a connecting part 2c. In the present embodiment, the side portions 2a and 2b are basically provided in a substantially parallel relationship, and the connecting portion 2c intersects the side portions 2a and 2b substantially vertically. In the embodiment shown in FIG. 1, the side part 2b includes a parallel part 2e substantially parallel to the side part 2a and an inclined part 2d inclined with respect to the side part 2a.

  The support frame 2 is formed in a U shape as a whole, and the disc tray 1 enters and exits from the opening 2f.

  Further, in each part constituting the support frame 2, the connection part 2 c will be specifically described as an example. The connection part 2 c is at least a protruding part configured to protrude inward of the standing part 2 g and the support frame 2. 2h. The side portions 2a and 2b have the same configuration.

  In the present embodiment, the substantially entire region of the support frame 2 is substantially L-shaped. For example, the side portions 2a and 2b are not provided with the protruding portion 2h, and only the connecting portion 2c has the protruding portion 2h. In addition, it is possible to adopt a configuration in which the protruding portion 2h is provided at least partially in at least one member of the side portions 2a, 2b and the connecting portion 2c.

In the present embodiment, the area surrounded by the upper surface of each of the side portions 2a, 2b and the connecting portion 2c and the open portion 2f is S1, and the side portions 2a, 2b and the connecting portion on the opposite side are defined as S1. When the area surrounded by 2c and the open part 2f is S2, T is defined as 0 <T ≦ 1 for T defined as T = S2 ÷ S1. That is, when T = 1, the opening area on the upper surface and the lower surface of the support frame 2 is equal, and when T <1, the protrusion 2h basically has a certain area. In the lower surface, the opening area is narrower than that on the upper surface side. In the conventional technique, T = 0, that is, on the lower surface side, S2 = 0 (
There is no opening area). Therefore, as a more preferable example, the protrusion 2h is provided on the support frame 2 so that 0.78 <T <0.95.

  As shown in FIG. 3 and the like, protrusions 2 h and 2 i are also provided on the upper surface side of the support frame 2 so as to hold the rail 6. Conventionally, a rail holding member that holds the rail 6 is attached. As an example of the present embodiment, when a very thin optical disk device (thickness excluding the bezel 1d is assumed to be 9 mm or less) 6 is directly supported by the support frame 2. Further, a locking claw 11 is provided on the protruding portion 2h of the side portion 2a along the standing portion 2g constituting the side portion 2a. Further, as shown in FIG. 3, the rail 6 can be moved. A holding guide claw 11a is provided on the protruding portion 2h of the side portion 2a, and the rail 6 is movably attached to the support frame 2 by at least the protruding portions 2h and 2i and the guide claw 11a. In this embodiment, two protrusions 2h and 2i are provided on the upper surface of the support frame 2 to hold the rail 6, but one protrusion may be used. Further, it is preferable that the protruding portion for holding the rail 6 is formed as long as possible along the moving direction of the disc tray 1. Further, on the lower surface of the support frame 2, the rail 6 is held by the guide claw 11 a and the locking claw 11, but the rail 6 may be held by at least one claw, and instead of the locking claw 11, You may provide the latching member which does not hold | maintain the rail 6 separately. Similarly, on the lower surface of the support frame 2, the member (claw) that holds the rail 6 is preferably as long as possible along the moving direction of the disc tray 1.

  In order to improve the slidability between the rail 6 and the support frame 2, a lubricious material such as fluororesin may be provided on at least one of the rail 6 or the portion of the support frame 2 where the rail 6 slides. .

  As shown in FIGS. 4 and 11, the rail 6 having a substantially C-shaped cross section is attached to a rail attachment portion 1 e provided on the side of the disc tray 1, and a recess 6 a is cut out at the end of the rail 6. The holding portions 6b and 6c extending in the thickness direction of the disc tray 1 are provided on the tray cover 21 side with the concave portion 6a interposed therebetween. The holding part 6b is provided on the front end side of the rail. The holding part 6c is formed longer than the holding part 6b, and is configured to securely attach the rail 6 to the rail attaching part 1e. In addition, the tray cover 21 is provided with a locking claw 21a extending to the rail 6 side. The locking claw 21a is provided at the end of a recess 1g provided on the side of the disc tray 1 where the rail 6 is attached, and the locking claw 21a is connected to the recess 1g and is more than the recess 1g. It is formed with a thickness that is substantially flush with the stepped portion 1f that is one step higher. Moreover, the height S1 of the holding portion 6b is formed higher than the height S2 of the holding portion 6c, and the holding portion 6c is configured without being caught by the locking claw 21a. Further, as shown in FIG. 11, the holding portion 6 b is in contact with the end portion of the locking claw 21 a at least for a moment and restricts movement to the rail 6.

  In the present embodiment, the locking claw 21a is provided integrally with the tray cover 21, and the tray cover 21 is made of a material having a relatively high mechanical strength such as metal, so that the rail and the extending portion repeatedly collide. However, at least one of the two is hardly damaged. In the present embodiment, the locking claw 21a is provided integrally with the tray cover 21, but a stopper (part corresponding to the locking claw 21a) or the like is provided on the disc tray 1, or the disc tray 1 or the tray cover. A member other than 21 (such as a screw member or the like screwed into the disk tray 1) may be used instead of the extending portion.

Further, as shown in FIG. 5, the rail 7 is configured to be shorter than the rail 6 in the side portion 2 b of the support frame 2. In this embodiment, the side portion 2b side has an inclined portion 2d as shown in FIG. 1, and the minute rail 7 provided with the inclined portion 2d is configured to be shorter than the rail 6. Yes. Further, the position of the locking claw 15 provided integrally with the side portion 2b is provided closer to the opening portion 2f than the position of the locking claw 11 on the rail 6 side because the rail 7 is formed shorter. . Further, the locking claw 15 is erected along the standing part 2g of the side part 2b, and extends toward the inside of the support frame 2 substantially perpendicularly to the standing part 2g of the side part 2b. The rail 7 is movably locked together with the protruding portion 2j. The width of the rail 7 is narrower than that of the rail 6 so as to prevent a collision with the optical disk mounted on the end 1 h side of the disk tray 1. Accordingly, the protruding portion 2j is provided from the middle of the standing portion 2g of the side portion 2b (or with a gap above and below the standing portion 2g).

  When the key-like part 16 provided at the tip of the rail 7 abuts against the locking claw 15 at least for a moment, the movement of the rail 7 is restricted.

  In this embodiment, the lengths and widths of the rails 6 and 7 are varied. However, when the inclined portion 2d or the like is not provided or when it is not necessary to prevent the collision with the optical disk, the rails 6 and 7 are provided. It may be the same size.

  Further, a locking portion 30 is provided integrally with the side portion 2b, and this locking portion 30 is a key portion 32 around a rotation shaft 31 as shown in FIG. The disc tray 1 is held by the support frame 2. Further, when the eject switch 10 is pressed, a solenoid (not shown) or the like is driven, the key part 32 is rotated, the engagement of the key part 32 and the locking part 30 is released, and an elastic member such as a spring (not shown) The disc tray 1 is at least partially protruded from the support frame 2. Alternatively, a pin or the like can be inserted into the hole 1 i provided in the bezel 1 d and the key portion 32 can be directly rotated to disengage the key portion 32 and the locking portion 30.

  Further, as shown in FIG. 12, an extended portion 21 b integrated with the tray cover 21 is also provided on the rail 7 on the disk tray 1 side. The rail 7 is also provided with a concave portion 7a as in the configuration shown in the rail 6, and holding portions 7b and 7c are provided across the concave portion 7a. The inner end portion of the holding portion 7b is at least provided on the extending portion 21b. It contacts for a moment and regulates the movement of the rail 7.

  In the present embodiment, the support frame 2 is configured as shown in FIG. 1, but it may be configured in a U shape without the inclined portion 2d as shown in FIG. As shown in FIG. 15, the connecting portion 2c is not provided at the rear end portion, but the connecting portion 2c is provided in the middle of the side portions 2a and 2b, or the connecting portion 2c is connected to the side portions 2a and 2b as shown in FIG. A plurality of them may be provided in the middle, and in this case, the mechanical strength can be increased as compared with the structure shown in FIG.

  Furthermore, in this embodiment, the support frame 2 is integrally formed, and the side portions 2a and 2b and the connecting portion 2c are continuous. However, as shown in FIG. 16, the side portions 2a and 2b. The support frame 2 may be configured by individually configuring the connecting portions 2c including the inclined portions 2d and fixing the respective portions by joining means such as adhesion, welding, and screwing. Alternatively, the inclined portion 2d may be formed integrally with the side portion 2b, the connecting portion 2c may be configured as a rod, and the respective portions may be connected.

  Next, the loading / discharging operation of the disk tray of the optical disk drive apparatus configured as described above will be described with reference to FIGS.

First, when the user depresses the eject button 10, the disc tray 1 is slightly ejected from the support frame 2 by a lock release mechanism (not shown), and the disc tray 1 is removed from the support frame 2. The disc can be ejected from the disc tray 1 and pulled out to the front by the front portion of the disc tray 1 by the user's hand, so that the optical disc can be taken in and out of the rotary drive mechanism 3. At this time, the disk tray 1 slides on the rail 6 and the rail 7 until the locking claw 21a and the locking claw 17 come into contact with the key-shaped portion 6b and the key-shaped portion 18, and the rail 6 and the rail 7 Since the sliding claw 11 and the locking claw 15 slide on both inner sides of the support frame 2 until they come into contact with the key-like portion 12 and the key-like portion 16, they are discharged only to a predetermined position.

  Next, the loading operation of the disc tray 1 is performed by the user pushing the front portion of the disc tray 1 so that the disc tray 1 slides on the rail 6 and the rail 7. By sliding on both inner sides of the two side surfaces, it is loaded into the support frame 2 and held by a lock mechanism (not shown).

  As described above, according to the present embodiment, the support frame 2 is constituted by a frame that continuously surrounds both side surfaces and the rear surface when the disc tray 1 is loaded, so that the disc tray 1 is covered with the bottom cover from the lower surface. Further, it is not necessary to adopt a conventional configuration in which the upper cover is further covered with the upper cover, and an optical disc drive apparatus having a thickness of 9 mm or less, preferably 7.5 mm or less, which was a limit in the conventional configuration, can be configured.

  Moreover, since the inner side shape of both sides of the support frame 2 also serves as a conventional resin rail guide shape, the rail 6 and the rail 7 can be directly locked to the support frame 2 so as to be movable within a predetermined range. Thus, weight and cost can be reduced.

(Embodiment 2)
7 is a perspective view of an optical disc drive apparatus with an upper cover according to Embodiment 2 of the present invention, FIG. 8 is a perspective view from the back of the optical disc drive apparatus with a bottom cover according to Embodiment 2 of the present invention, and FIG. FIG. 10 is a perspective view of an optical disc drive apparatus with an upper cover and a bottom cover according to the second embodiment, and FIG. 10 is a partial cross-sectional view taken along line AA of FIG.

  As shown in FIG. 7, reference numeral 19 denotes an upper cover.

  As shown in FIG. 8, 20 is a bottom cover, and 21 is a tray cover for protecting the disc tray from the back side.

  As shown in FIG. 10, 22 is a conductive adhesive.

  Next, fixing of the upper cover and the bottom cover to the optical disk drive device configured as described above will be described with reference to FIGS.

The upper cover 19 and the bottom cover 20 are attached to the support frame 2 only as shown in FIG. 7 according to the internal configuration of the notebook computer, dust proofing, assembling workability, or as shown in FIG. Only the bottom cover 20 can be attached to the support frame 2, or both the upper cover 19 and the bottom cover 20 can be attached to the support frame 2 as shown in FIG. 9. As described above, the upper cover 19 and the bottom cover 20 can be selectively attached to the support frame 2, but the electric noise is held in the upper cover 19 and the bottom cover 20, thereby destroying the circuit of the optical disk drive device. It is necessary to prevent this. For this purpose, the upper cover 19 and the bottom cover 20 are made of a metal such as iron, aluminum, and magnesium, and are fixed to the support frame 2 in the form of a sheet or liquid conductive adhesive 22 as shown in FIG. Although not shown, an earth ground (grounding) is secured by welding such as laser or spot or caulking. Further, since the strength of the entire optical disk drive apparatus during operation or operation is ensured by the support frame 2, the plate thickness of the upper cover 19 and the bottom cover 20 is thinner than the conventional plate thickness of 0.4 mm to 0.5 mm, for example, 0 The thickness in the direction perpendicular to the information recording surface of the optical disc of the optical disc drive device can be suppressed as compared with the conventional art even when the upper cover 19 and the bottom cover 20 are attached.

  As described above, according to the present embodiment, the strength of the optical disk drive device is ensured by the support frame. Therefore, the upper cover 19 and the bottom cover can be adapted to the internal configuration of the notebook computer, the dustproofness, and the assembly workability. The cover 20 can be selectively attached.

  Even when the upper cover or bottom cover is attached, the strength of the optical disk drive device is ensured by the support frame, so that the plate thickness can be made thinner than the conventional plate thickness of 0.4 mm to 0.5 mm. The thickness of the optical disk drive device can be reduced.

  In addition, as shown in FIG. 17, when a raised portion 21z having a predetermined shape is provided on the tray cover 21 in order to reduce weight and thickness, a bottom cover 20 provided with a notch portion that is similar to or similar to the raised portion 21z. It can also be set as the structure which covers parts other than the protruding part 21z of the tray cover 21 by attaching to the support frame 2. FIG.

  Since the present invention has a configuration in which the disc tray is held by the support frame, the disc tray is supported by the support frame that is extremely thin and further removed as much as possible. Therefore, the present invention can be applied to an optical disc apparatus that can be reduced in weight. .

The perspective view in which the disc tray of the optical disc drive device in Embodiment 1 of this invention exists in a discharge position FIG. 1 is a perspective view of a disk tray of the optical disk drive device of FIG. 1 in a loading position. 1 is a partially enlarged perspective view of the rail side when the disc tray of the optical disc drive apparatus of FIG. FIG. 1 is a partially enlarged perspective view from the rear surface on the rail side when the disc tray of the optical disc drive apparatus of FIG. 1 is in the ejection position. 1 is a partially enlarged perspective view of the rail side when the disc tray of the optical disc drive apparatus of FIG. FIG. 1 is a partially enlarged perspective view from the rear surface on the rail side when the disc tray of the optical disc drive apparatus of FIG. 1 is in the ejection position. The perspective view of the optical disk drive device with an upper cover in Embodiment 2 of this invention The perspective view from the back surface of the optical disk drive device with a bottom cover in Embodiment 2 of this invention The perspective view of the optical disk drive device with an upper cover and a bottom cover in Embodiment 2 of this invention 9 is a partial cross-sectional view taken along line AA in FIG. 4 is a partially enlarged perspective view from the back side of the rail side when the disc tray of the optical disc drive apparatus of FIG. FIG. 6 is a partially enlarged perspective view from the rear surface on the rail side when the disc tray of the optical disc drive apparatus of FIG. 6 is in the ejection position. The perspective view which shows the optical disk apparatus in other embodiment of this invention. The perspective view which shows the optical disk apparatus in other embodiment of this invention. The perspective view which shows the optical disk apparatus in other embodiment of this invention. The perspective view which shows the optical disk apparatus in other embodiment of this invention. The perspective view which shows the optical disk apparatus in other embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Disc tray 2 Support frame 3 Rotation drive mechanism 4 Optical head 5 Optical head moving mechanism 6 Rail 6b Key-like part 7 Rail 8 Interface connector 9 Printed circuit board 10 Eject button 11 Locking claw 12 Key-like part 15 Locking claw 16 Key-like Part 17 Locking claw 18 Key-shaped part 19 Upper cover 20 Bottom cover 21 Tray cover 21a Locking claw

Claims (16)

A support frame; a disc tray provided to be movable relative to the support frame and attached to the support frame; a rotation drive unit provided on the disc tray for rotating the optical disc; and a light provided on the disc tray. An optical head that records and / or reproduces information by irradiating the optical disc, and the front and back surfaces of the disc tray are exposed when the disc tray is stored in the support frame. Optical disk device. 2. The optical disc apparatus according to claim 1, wherein the support frame includes a pair of opposing side portions and a connecting portion that connects the pair of side portions. 3. The optical disc apparatus according to claim 2, wherein a rail is provided between a side portion of the support frame and a side portion of the disc tray, and the disc tray and the support frame are movably attached to each other. 2. The optical disc apparatus according to claim 1, wherein the support frame is substantially U-shaped, and a disc tray can be inserted / removed at an opening portion of the support frame. 2. The optical disc apparatus according to claim 1, wherein the support frame is provided at least in part at least in part on the standing portion and the protruding portion that is provided integrally with the standing portion and protrudes to the inside of the support frame. 3. The optical disk apparatus according to claim 2, wherein the support frame has a side part and a connecting part integrally formed. 2. The optical disc apparatus according to claim 1, wherein the support frame is configured by connecting a plurality of members. 2. The optical disk apparatus according to claim 1, wherein the support frame is made of at least one material selected from aluminum, zinc, magnesium, polyphenylene sulfide, polyacetal, and liquid crystal polymer. 2. The optical disc apparatus according to claim 1, wherein a cover is provided on at least one of the upper surface and the lower surface of the support frame. 10. The optical disk apparatus according to claim 9, wherein the cover is made of a metal such as iron, aluminum or magnesium. A tray cover is provided on the opposite side of the disc cover from which the optical disk is mounted, and a raised portion is provided on the tray cover, and an opening is provided in the cover provided on the support frame so as to avoid the raised portion. The optical disk apparatus according to claim 9. A support frame for an optical disc apparatus for holding a disc tray so as to be mountable, wherein a pair of side portions and a connecting portion are provided between the pair of side portions. 13. The support frame for an optical disk device according to claim 12, wherein at least a part of the standing portion and the protruding portion that is provided integrally with the standing portion and protrudes inward are provided. 13. The support frame for an optical disk device according to claim 12, wherein the side portion and the connecting portion are integrally configured. 13. The support frame for an optical disk device according to claim 12, wherein a plurality of members are connected to each other. 13. The support frame for an optical disk device according to claim 12, wherein the support frame is made of at least one of aluminum, zinc, magnesium, polyphenylene sulfide, polyacetal, and liquid crystal polymer.

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