JP2008071452A - Disk device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a disk device preventing fall off of a tray which can be moved forward and backward by a guide rail. <P>SOLUTION: When a rail guide 212A is advanced from the opening face of a case body by a prescribed distance, a tongue-like first fall-off preventing piece 222 provided at the rail guide 212A is abutted on a first regulation part 221 provided to a rail 211 made of synthetic resin in series. When large external force due to falling is applied, and further, the rail guide 212A is advanced, a second tongue-like fall-off preventing piece 232 provided to the rail guide 212A is abutted on a second regulation part 231 serially provided from the metal case body, and fall off of the tray is prevented. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a disk device in which a tray for rotatably holding a recording medium is disposed in an internal space of a housing by a guide rail so as to be able to advance and retreat.

2. Description of the Related Art Conventionally, for example, disk devices such as those shown in FIGS. 1 and 2 are known in which a recording medium is placed on a tray that can be inserted into and removed from a main body, and the recording medium is inserted and removed.
The disk device 100 as shown in FIGS. 1 and 2 is a device provided with a tray 300 having a turntable 23 that rotatably holds a recording medium in a case body 200 having a flat box-like internal space. The disk device 100 is a pair of long guide rails that are slidably engaged with both sides of the tray 300 and support the tray 300 so as to be able to advance and retract in the front-rear direction from an opening surface 201 that opens to the front surface of the case body 200. Rail guides 212A and 212B are provided. A retaining piece 222 is provided at one end of the rail guides 212 </ b> A and 212 </ b> B on the inner side of the case body 200. Further, as shown in FIG. 3, for example, the case body 200 is provided with a regulation piece 221 that abuts against the retaining piece 222 in a state in which the rail guides 212 </ b> A and 212 </ b> B have advanced from the opening surface 201 of the case body 200, and prevents dropping. A configuration in which the guide member 250 is provided is employed.
Further, instead of the guide member 250 as shown in FIG. 3, for example, as shown in FIG. 4, a configuration in which the regulation piece 221 is cut and formed directly from the case body 200 is also adopted.

  However, for example, in a portable device such as a notebook computer, in a configuration including the above-described configuration illustrated in FIGS. 1 to 3 and a configuration including the disk device 100 having the rail guides 212A and 212B illustrated in FIG. When a large impact is applied to the disk device 100, such as when the portable device is accidentally dropped, the retaining pieces 222 of the rail guides 212A and 212B get over the regulating pieces 221 of the case body 200, and the tray 300 is moved from the case body 200 to the tray 300. As an example, there is a problem that the disk device 100 may be dropped and damaged.

  The present invention has been made in view of the above, and an object of the present invention is to provide a disk device that prevents a tray that can be advanced and retracted by a guide rail from dropping off.

  According to the first aspect of the present invention, a case body having an opening surface on at least one surface and an internal space communicating with the opening surface, and one end side in the longitudinal direction are disposed in the case body so as to be able to advance and retreat from the internal space. A disc having a pair of guide rails, and a tray having a holding portion for holding a disc-shaped recording medium, which is slidable in the longitudinal direction between the guide rails and is held so as to be able to advance and retreat from the internal space. A first retaining portion for restricting the advancement of the guide rail when the guide rail advances at a predetermined distance from the opening surface, and the guide rail advances by the first retaining portion. The advancement of the guide rail is regulated in a state in which the guide rail further advances from the opening surface at the same time in a restricted state or from a state in which the advancement of the guide rail is restricted. A second retaining portion that is a disk apparatus characterized by comprising a.

[Disk device configuration]
A disk device according to an embodiment of the present invention will be described below with reference to the drawings.
FIG. 5 is a plan view showing the internal configuration of the disk device according to the embodiment of the present invention. FIG. 6 is a plan view showing the configuration of the tray and the case body when the tray is pulled out from the case body of the disk device. FIG. 7 is a plan view with a part cut away showing the vicinity of the first retaining portion and the second retaining portion. FIG. 8 is a side view with a part cut away showing the vicinity of the first retaining portion and the second retaining portion. FIG. 9 is a side view with a part cut away showing the vicinity of the first retaining portion and the second retaining portion in a normal tray advance state. FIG. 10 is a plan view with a part cut away showing the vicinity of the third retaining portion.
In the present embodiment, the same components as those of the disk device shown in FIGS. 1 to 3 and the disk device shown in FIG. 4 will be described with the same reference numerals.

5 and 6, reference numeral 100 denotes a disk device, and this disk device 100 is a so-called slim disk device (or slim disk drive) that is mounted on an electric device such as a portable personal computer. .
The disc device 100 is information recorded on a recording surface (not shown) provided on at least one side of a disc-shaped recording medium that is detachably mounted, for example, an optical disc such as a CD (Compact Disc) or a DVD (Digital Versatile Disc). At least one of reading processing which is information processing for reading out information and recording processing which is information processing for recording various kinds of information on the recording surface.
The disk device 100 includes a case body 200 as an exterior case, a tray 300, and the like.

The case body 200 is formed of a metal plate in a substantially square box shape having an internal space inside. The case body 200 has an opening 201 formed on one side.
The case body 200 includes a housing body 200A and a wing part 200B provided on the right side of the housing body 200A in the drawing. The casing main body 200A and the wing 200B have a top surface formed on the same plane and a bottom surface formed in different height dimensions. That is, the bottom surface of the wing part 200B is formed to have a smaller distance dimension from the top surface than the lower case 202 of the case body 200 constituting the bottom surface of the housing main body part 200A.
Further, in the case body 200, the tray 300 is disposed in the housing body 200A through the opening surface 201 so as to freely advance and retract.
Further, inside the case body 200, there are provided a rail portion 210 disposed along the advancing / retreating direction of the tray 300, an opening / closing mechanism portion (not shown) for restricting the advancing / retreating movement of the tray 300, control of the operation of the disk device, and the like. A circuit unit (not shown) to be implemented is provided.
The case body 200 is provided with a connector portion (not shown) connected to the circuit portion. The connector unit can be connected to an electrical device such as a personal computer outside the disk device 100, for example, and transmits / receives various types of information from an electrical device, or a plug to which power is supplied is connected.

The rail portion 210 is disposed on both side portions in the forward / backward direction of the casing main body portion 200A from the opening surface 201 of the case body 200 along the forward / backward direction of the tray 300, and along the both side surfaces in the forward / backward direction of the tray 300. Is provided. The rail portion 210 includes a pair of rails 211 fixed to the case body 200 and rail guides 212A and 212B that form a pair as guide rails slidably provided on the tray 300.
The rail 211 is formed to extend from the left and right ends of the opening surface 201 in the housing body 200A toward the back side of the case body 200 (upper side in FIGS. 1 and 2). These rails 211 are made of, for example, a synthetic resin such as polyoxymethylene (POM), and are formed with concave grooves (not shown) having, for example, a substantially U-shaped cross-section with openings facing each other. Each rail guide 212 is supported so as to be slidable in the longitudinal direction along the forward and backward direction of the tray 300.
The rail guide 212 is formed of a metal plate with a substantially U-shaped cross section so that both side portions of the tray 300 can be slidably engaged on the inner surface side.

  Furthermore, the case body 200 is provided with a regulation mechanism that regulates the movement of the rail guide 212 in the forward / backward direction and prevents the rail guides 212 </ b> A and 212 </ b> B from falling off the rail 211. This regulating mechanism includes a first retaining portion 220 shown in FIGS. 7 to 9, a second retaining portion 230 shown in FIGS. 7 to 9, and a third retaining portion shown in FIG. 10 that functions as a first retaining portion. And a stopper 240.

The first retaining part 220 is provided with a first restricting part 221 provided on the rail 211 of the case body 200, and on the other hand, for example, a first retaining part 222 provided on a rail guide 212A provided on the wing part 200B side. And.
The first restricting portion 221 is located on the inner side of the housing body 200A from the concave groove of the rail 211 serving as the movement path of the rail guide 212A, and from the rail 211 toward the top surface side from the lower case 202 side of the case body 200. Protruding in a series. The first restricting portion 221 is formed in a longitudinal shape in the advancing / retreating direction of the tray 300, and guides the sliding movement while preventing the rail guide 212A from dropping out of the concave groove on the side surface of the rail 211 on the concave groove side. It also functions as a guide.
The first retaining piece 222 has a tongue-like shape along the plane of the lower case 202 toward the inner side of the housing body 200A at the back end of the case body 200 that is one end in the longitudinal direction of the rail guide 212A. Further, the edge opposite to the opening surface 201 at one edge in the protruding direction is bent toward the top surface side of the case body 200 so as to be able to contact the end surface of the first restricting portion 221. ing.
The first retaining portion 220 is moved by the rail guide 212A when the tray 300 advances from the opening surface 201 and the rail guide 212A advances to a position where the optical disk can be attached to and detached from the tray 300 in the thickness direction. The one restricting portion 221 and the first retaining piece 222 come into contact with each other to restrict the advancement.

The second retaining part 230 includes a second restricting part 231 provided on the case body 200 and a second retaining part 232 provided on the rail guide 212A.
The second restricting portion 231 protrudes in the form of a tongue piece located on the top plate side of the concave groove of the rail 211 in a series from the wing portion 200B of the case body 200 into the housing main body portion 200A. A notch is formed in a substantially V-shaped notch that expands toward the back side at one edge facing the back side of 200A.
The second retaining piece 232 is disposed on one end of the rail guide 212A on the opposite side of the rail guide 212A opposite to the first retaining piece 222 and is continuous with the U-shaped bottom of the rail guide 212A. In the state, it is formed in a state of protruding in a tongue shape from the lower case 202 toward the top surface side.
Then, the second retaining portion 230 is further advanced by, for example, an external impact in the state shown in FIG. 9 in which the tray 300 has advanced from the opening surface 201 and the advancement is restricted by the first retaining portion 220. When force is applied, the second retaining piece 232 comes into contact with the inner edge so as to engage with the substantially V-shaped concave second restricting portion 231 to restrict further advancement of the rail guide 212A. In other words, the second retaining portion 230 includes the first restricting portion 221 and the first retaining portion 221 that contact each other with a further advance force without causing the first retaining portion 222 to get over the first restricting portion 221 or break. When the retaining piece 222 is elastically deformed, the second restricting portion 231 and the second retaining piece 232 are in contact with each other.
In the present invention, the second retaining portion 230 has the second restricting portion 231 and the second retaining portion when the first retaining portion 222 and the first restricting portion 221 of the first retaining portion 220 contact each other. It is good also as a structure which 232 contact | abuts simultaneously.

The third retaining portion 240 is the other rail guide that forms a pair with the third restricting portion 241 provided on the case body 200 and the rail guide 212A provided with the first retaining portion 222 and the second retaining portion 232. And a first retaining piece 222 provided on 212B. The third restricting portion 241 includes a first resin restricting portion 241A similar to the first restricting portion 221 and a second cut and raised restricting portion 241B formed by being cut and raised from the case body 200.
The first resin restricting portion 241A is located inside the housing main body 200A from the concave groove of the rail 211 serving as the moving path of the rail guide 212B, and the rail 211 is directed from the lower case 202 side to the top surface side of the case body 200. Projecting in series. Similarly to the first restricting portion 221, the first resin restricting portion 241A is formed in a longitudinal shape in the forward / backward direction of the tray 300, and the rail guide 212B is dropped from the recessed groove on the side surface of the rail 211 on the recessed groove side. It also functions as a guide for guiding sliding movement while preventing. The first cut-and-raise restricting portion 241B is formed in a wall shape along the advance / retreat direction from the lower case 202 toward the top surface side adjacent to the back side in the advance / retreat direction with respect to the first resin restriction portion 241A.
In the third retaining portion 240, the rail guide 212B advances so that the tray 300 advances from the opening surface 201, and the optical disc can move to the tray 300 in a thickness direction, and the rail guide 212A advances. When the first restricting portion 221 of the first retaining portion 220 and the first retaining piece 222 come into contact with each other, the advancement of the rail guide 212B is restricted by contacting the first cut and raised restricting portion 241B of the third restricting portion 241. To do.
That is, the third restricting portion 241 is in a state where a force further acts in the direction of advancement to the rail guide 212B, and the first retaining piece 222 cuts and raises over the front end side or the side surface side of the restricting portion 241B. Even so, the first retaining piece 222 is formed so as to abut on the first resin restricting portion 241A located on the opening surface 201 side and restrict the advancement. Specifically, the first cut-and-raise restricting portion 241B is slightly spaced from the concave groove of the rail 211 from the first resin restricting portion 241A and does not come into contact with the rail guide 212B when sliding, and the first The projecting dimension is shorter than that of the resin restricting portion 241A.

As shown in FIGS. 5 and 6, the tray 300 is formed in a substantially plate shape made of, for example, synthetic resin, and is provided so as to be able to advance from an opening surface 201 as an entrance / exit of the case body 200. A decorative plate 301 that closes the opening surface 201 of the case body 200 in a state in which the tray 300 is housed inside the case body 200 is provided on one edge side of the tray 300.
An arcuate recess 310 that is slightly larger than the diameter of an optical disk as a recording medium is provided on the upper surface, which is one flat side of the tray 300.
The tray 300 is provided with a disk processing unit 20 called a traverse mechanism from one end on the decorative plate 301 side toward the approximate center of the arc-shaped recess 310. Furthermore, an eject button (not shown) is provided on a part of the decorative plate 301 of the tray 300. Further, on the lower surface side, which is the other flat surface side of the tray 300, a control circuit unit (not shown) for controlling the operation of the disk processing unit 20 and controlling the advance and retreat of the tray 300 by connecting an eject button is provided. . The control circuit unit is connected to the circuit unit of the case body 200 by, for example, a flexible cord.

The disk processing unit 20 includes a pedestal portion 21 that is formed in a substantially plate shape with, for example, a metal plate and supported by the tray 300. The pedestal portion 21 is formed in a longitudinal direction from one end portion of the tray 300 on the decorative plate 301 side toward the center position. The pedestal portion 21 has a longitudinal processing opening 21A cut out substantially in the center along the longitudinal direction.
A disk rotation driving means 22 is disposed on one end side of the processing opening 21 </ b> A of the pedestal 21. The disk rotation driving means 22 includes a spindle motor (not shown) and a turntable 23 as a holding portion provided integrally with the output shaft of the spindle motor. The spindle motor is controllably connected to the control circuit unit and is driven by electric power supplied from the control circuit unit. The turntable 23 is provided at a substantially central portion of the tray 300 and rotatably supports an optical disk by being detachably supported.
An information processing unit 24 is disposed on the pedestal unit 21. The information processing unit 24 is supported so as to be bridged between the pair of guide shafts 25, and is moved close to and away from the turntable 23 in the processing opening 21A by a moving mechanism (not shown). The information processing unit 24 includes a pickup having a light source (not shown), a pickup lens 24A that converges light from the light source, and an optical sensor (not shown) that detects emitted light reflected by the optical disk.

Further, the tray 300 is provided with an opening / closing mechanism unit (not shown). The opening / closing mechanism section includes a tray lock section and an opening / closing regulating section.
The tray lock portion is formed to protrude from the lower surface of the tray 300 toward the lower case 202 side of the case body 200. The opening / closing regulating part includes a regulating claw part and an operating part. The restricting claw portions are provided at corresponding positions of the lower case 202 that engages with the tray lock portion in a state where the tray 300 is stored in the case body 200. The operating unit includes, for example, a solenoid that is connected to the circuit unit and controlled in operation. The operation unit receives a signal output from the control circuit unit that recognizes that the input operation of the eject button has been performed by the circuit unit, and uses the solenoid operated by the control of the circuit unit to set the restriction claw unit to the tray lock unit. Is moved to a state where the engagement state is released, for example, a state where the tray 300 is separated from the restricting claw portion, and the tray 300 can be advanced. The tray lock portion and the restriction claw portion of the opening / closing restriction portion are engaged with each other when the advancing tray 300 is stored in the case body 200.

[Disk unit operation]
Next, the operation of the disk device 100 will be described.

In a state where the tray 300 as shown in FIG. 5 is housed in the case body 200, when the user performs an input operation on the eject button provided on the decorative board 301, the control circuit unit controls the operation unit of the opening / closing regulating unit. The restriction claw portion is moved, the engagement state of the tray 300 with the tray lock portion is released, and the tray 300 is unlocked.
Then, for example, when the decorative plate 301 is pulled out in a state in which the tray 300 is unlocked, the tray 300 is supported by the rail portion 210 and is slid to the outside from the opening surface 201. When the tray 300 is pulled out to a predetermined position by the slide movement that pulls out the tray 300 by the user, as shown in FIG. 9, the first retaining piece 222 of the first retaining section 220 contacts the first regulating section 221. At the same time, the first retaining piece 222 of the third retaining portion 240 abuts on the first cut and raised restricting portion 241B of the third restricting portion 241 to prevent the tray 300 from falling off. In this state, the optical disk can be attached to and detached from the turntable 23 of the disk processing unit 20. Thereafter, for example, when the tray 300 is pushed in with the optical disk chucked on the turntable 23, the tray 300 is guided into the case body 200 by the rail portion 210.
When the tray 300 is further pushed into the back side, the tray lock portion of the tray 300 gets over and engages with the restriction claw portion of the opening / closing restriction portion, and the tray 300 is locked to the case body 200.
Thereafter, based on the user's operation input, the control circuit unit performs information processing on the mounted optical disk.

On the other hand, for example, when the electric device is accidentally dropped in a state where the tray 300 is locked to the case body 200, the tray lock unit of the tray 300 may be dropped particularly when the side where the tray 300 advances or retracts faces downward in the vertical direction. If a large external force is applied to overcome the restricting claw portion, the locked state of the tray 300 may be released. If the locked state is released, the tray 300 may move so as to jump out of the opening surface 201.
If the tray 300 moves so as to pop out from the opening surface 201, the first retaining piece 222 of the first retaining portion 220 contacts the first restricting portion 221 as in the case of the drawer operation of the tray 300. At the same time, the first retaining piece 222 of the third retaining portion 240 comes into contact with the first cut and raised restricting portion 241B of the third restricting portion 241 so that the tray 300 is prevented from falling off. Furthermore, if the external force that causes the tray 300 to jump out from the outside acts when the first restricting portion 221 and the first retaining piece 222 that are in contact with each other are elastically deformed, the second restricting portion 231 is exerted. Also, the first retaining piece 232 comes into contact with the tray 300, and the tray 300 is prevented from falling off.

[Effects of disk unit]
As described above, in the above embodiment, when the tray 300 advances from the opening surface 201 and the rail guide 212A advances from the opening surface 201 by a predetermined distance, the first retaining portion 220 restricts the advancement of the rail guide 212A. In the state where the rail guide 212A further advances from the opening surface while being restricted by the first retaining portion 220, the advancement of the rail guide 212A is restricted by the second retaining portion 230.
In this way, when a force acts in the advancing direction in which the tray 300 is pulled out, the first retaining portion 220 and the second retaining portion 230 are regulated in two stages. Even if an unexpected large external force acts due to the electrical device including the disk device 100 being dropped, the first retaining portion 220 prevents the tray 300 from dropping off. It is possible to prevent the tray 300 from falling off by the second retaining portion 230 after absorbing the portion. Therefore, for example, damage to the disk device 100 such as a flexible cord connected between the tray 300 and the case body 200 is cut, or the circuit unit, the control circuit unit, and the disk processing unit 20 are damaged. Can be prevented.

Then, as the first retaining portion 220, the first retaining member 222 provided at one end portion in the longitudinal direction of the rail guide 212A and the rail guide 212A provided on the case body 200 advance a predetermined amount so that the first retaining member 220 is provided. The first restriction portion 221 with which the piece 222 abuts is configured. Further, as the second retaining portion 230, a state in which the second retaining portion 232 provided on the rail guide 212A provided with the first retaining portion 222 and the first retaining portion 220 provided on the case body 200 are regulated. The second restricting portion 231 with which the second retaining piece 232 abuts when the rail guide 212A is further advanced.
For this reason, the structure which controls advance of the tray 300 by two steps with a simple structure that is simply provided is obtained, and can be easily formed using the structure of the conventional rail portion 210.

Further, the rail guide 212A is formed in a substantially U-shaped cross section, the first retaining piece 222 is provided on one edge side, and the second retaining piece 232 is provided at a substantially opposite position on the other edge side.
For this reason, it is only necessary to project in the shape of a tongue piece on both edge portions of the rail guide 212A, and a configuration of advancement regulation in two stages can be easily obtained with a simpler configuration.

Furthermore, the 1st control part 221 is formed with a synthetic resin, and the 2nd control part 231 is cut and raised in the case body 200 made from a metal plate.
For this reason, in the normal advance state of the tray, when the first retaining piece 222 comes into contact with the first restriction portion 221 made of synthetic resin, the impact sound at the time of contact can be reduced by the elasticity of the first restriction portion 221. At the same time, when an unexpectedly large external force such as a drop is applied, the second retaining piece 232 comes into contact with the metal second restricting portion 231, so that the tray 300 can be reliably prevented from falling off.

And as the 1st control part 221, it is provided in the rail 211 made from a synthetic resin used for smooth sliding of the rail guide 212A.
For this reason, it can form integrally, without increasing the number of parts, and the improvement of manufacturability, cost reduction, etc. are obtained easily.

The first retaining piece 222 is bent so that the side surface faces the opening surface 201.
For this reason, the state which the 1st retaining piece 222 contact | abuts to the 1st control part 221 in the surface is obtained, and even if the structure which contacts frequently by normal use, there is no mutual damage and the extended control state stabilized for a long time Is obtained.

Further, the second restricting portion 231 is formed in a series so as to protrude from the wing portion 200B of the case body 200 toward the casing main body portion 200A that forms a step.
For this reason, it can form in series directly from the wing part 200B which becomes a level | step difference with respect to 200 A of housing | casing main-body parts, it is not necessary to cut and raise intricately, and it can form easily by metal. Furthermore, since it is formed in a state of projecting toward the housing body 200A, it can function as a holding of the rail 211 and a guide of the rail guide 212 that are arranged using a step, and the configuration can be further increased. Simplification is easily obtained.

Then, as the second retaining portion 230, the first retaining portion 221 and the first retaining portion 222 that contact each other with a further advancing force without the first retaining portion 222 overcoming the first restricting portion 221 or breaking each other. When the retaining piece 222 is elastically deformed, the second restricting portion 231 and the second retaining piece 232 are formed in a state where the second restricting portion 231 and the second retaining piece 232 come into contact with each other.
For this reason, when an unexpected large external force is applied, the first retaining portion 220 first regulates the advancement of the tray 300 to absorb a part of the external force, and then immediately after the second retaining portion 230, the remaining external force is applied. Can be obtained, and the tray 300 can be easily prevented from falling off with a simple configuration.

Further, on the other rail guide 212B side, a third retaining portion 240 for restricting the advancement of the tray 300 at the same time when the first retaining portion 220 restricts the advancement is provided.
For this reason, the moving force in the advance direction of the tray 300 acting on the rail portion 210 is divided by both of the rail guides 212A and 212B forming a pair holding both sides of the tray 300, and stable advance regulation of the tray 300 is obtained. It is done.

Further, the third retaining portion 240 includes a first retaining piece 222 and a third restricting portion 241 including a first resin restricting portion 241A and a first cut and raised restricting portion 241B made of synthetic resin. .
For this reason, the first retaining piece 222 that is the same as the rail guide 212A can be used, and not only the first resin restricting portion 241A, but also the first cut-and-raised restriction that is made of metal with which the first retaining piece 222 abuts first. Since it is formed adjacent to the state in contact with the portion 241B, even if an unexpectedly large external force is applied, it is possible to prevent the rail guide 212B from falling off and prevent a large external force from acting only on the rail guide 212A side. There is no damage, and reliable removal of the tray 300 can be easily obtained with a simple configuration.
Further, the first cut-and-raised regulating portion 241B is cut and raised from the moving path side of the rail guide 212B.
For this reason, the opening by the cut-and-raft forming is substantially closed by the rail guide 212B, dust and the like can be prevented from entering from the outside, and stable operation of the disk device 100 can be ensured.

[Modification of Embodiment]
Note that the present invention is not limited to the above-described embodiment, and includes the following modifications as long as the object of the present invention can be achieved.

That is, in the above embodiment, the disk device 100 is exemplified as a thin disk device that can be mounted on a notebook personal computer or the like. However, the present invention is not limited to this. For example, the disk device 100 may be mounted on a desktop personal computer or the like. Also good.
Further, the present invention is not limited to a configuration that is mounted on a notebook personal computer, and may be mounted on, for example, a game machine or a so-called video device that performs recording / playback processing of video data.

In addition, the disk device can be a configuration in which only one of the reading process and the recording process is performed.
Further, the recording medium is not limited to the optical disc, and various configurations such as a magneto-optical disc and a magnetic disc can be targeted.

Moreover, although the structure which regulates tray 300 advancement in two steps by the first retaining portion 220 and the second retaining portion 230 has been illustrated, it is not limited to the two-step regulation.
For example, as the first retaining portion 220, a plurality of first restricting portions 221 are provided in a state adjacent to each other in the advancing / retreating direction, or the like, or a plurality of second restricting portions 231 are provided to restrict the plurality of steps. It is also possible to provide multi-stage regulation by further providing a contact structure.
Further, the first retaining portion 220 and the second retaining portion are not limited to the two-stage regulation in which the rail guide 212A is advanced to the first retaining portion 220 and then the second retaining portion 230 is advanced. It is good also as a two-stage regulation that 230 regulates advancement simultaneously. Even in such a configuration, even if an unexpected large external force is applied, both the first retaining portion 220 and the second retaining portion 230 share and absorb the external force, so that the disk device can be surely configured with a simple configuration. 100 damage can be prevented.

The first retaining portion 220 and the second retaining portion 230 are described as being provided on one rail guide 212A side, but may be provided on both of the pair of rail guides 212A and 212B or only on the rail guide 212B side. May be. In particular, the configuration provided on both sides can absorb external force substantially evenly on both sides of the tray 300 and prevent the tray 300 from falling off more stably.
Further, although the third retaining portion 240 is provided on the other rail guide 212B side, it may not be provided. Furthermore, a first cut-and-raised restricting portion 241B of the third retaining portion 240 is provided in a state adjacent to the first restricting portion 221 of the first retaining portion 220, and the first restricting portion 221 is the first restricting portion of the present invention. You may comprise as a 1st retaining part of this invention as a resin control part.

Further, the first retaining portion 220 is not limited to the configuration of the first restricting portion 221 and the first retaining member 222. For example, the first retaining member 222 is provided on the case body 200 side, and the first restricting portion 221 is a rail guide. Various shapes that are in contact with each other in the advancing direction, such as an opposite configuration such as being provided on the 212A side, can be used.
Further, similarly, the second retaining portion 230 can have various shapes that abut each other in the advance direction, such as reversing the configuration of the second restricting portion 231 and the second retaining portion 232.
Moreover, although the 2nd control part 231 was provided in series from the wing part 200B, it is good also as another formation method, such as cut and raising from 200 A of housing | casing main-body parts, for example.

The first retaining portion 220 and the second retaining portion 230 are described as being provided close to each other, but may be provided at positions that are separated from each other.
Further, the first retaining portion 220 and the second retaining portion 230 are in contact with each other by a further advancing force without causing the first retaining portion 222 to get over the first restricting portion 221 or break. Although the first restricting portion 221 and the first retaining piece 222 are provided in a state where the second restricting portion 231 and the second retaining piece 232 are in contact with each other due to elastic deformation, this is not restrictive. For example, after the first restricting portion 221 and the first retaining piece 222 are elastically deformed, the second retaining member is moved after the rail guide 212A has advanced to some extent by the first retaining member 222 getting over the first restricting portion 221. It is good also as the positional relationship which advancing restrictions in 230.

  In addition, the specific structure and procedure for carrying out the present invention can be appropriately changed to other structures and the like within a range in which the object of the present invention can be achieved.

[Effect of the embodiment]
As described above, when the rail guide 212 </ b> A advances from the opening surface 201 by a predetermined distance, the advancement of the rail guide 212 </ b> A is restricted by the first retaining portion 220, and at the same time in the state regulated by the first retaining portion 220. Alternatively, in the state where the rail guide 212A further advances from the opening surface 201 from the state regulated by the first retaining portion 220, the advancement of the rail guide 212A is regulated by the second retaining portion 230.
For this reason, when a force in the advancing direction is applied to the tray 300, the first retaining portion 220 and the second retaining portion 230 are regulated in two stages. The portion 220 prevents the tray 300 from falling off, and even if an unexpected large external force acts due to the electrical device including the disk device 100 falling, the first retaining portion 220 absorbs a part of the external force. In addition, it is possible to prevent the tray 300 from falling off due to the external force absorbed by the second retaining portion 230. Therefore, for example, damage to the disk device 100 such as a flexible cord connected between the tray 300 and the case body 200 is cut, or the circuit unit, the control circuit unit, and the disk processing unit 20 are damaged. Can be prevented.

It is a top view which shows the structure of a tray and a case body at the time of pulling out a tray from the case body in the conventional disc apparatus for demonstrating this invention. It is a top view which shows the internal structure of the conventional disc apparatus for demonstrating this invention. FIG. 7 is a plan view with a part cut away showing the vicinity of a retaining piece and a regulating piece in a conventional disk device for explaining the present invention. It is the top view which notched a part which shows the retaining piece and the control piece vicinity in the other conventional disc apparatus for demonstrating this invention. It is a top view which shows the internal structure of the disc apparatus concerning one embodiment in this invention. It is a top view which shows the structure of a tray and a case body at the time of pulling out a tray from the case body of the disc apparatus in the said one Embodiment. FIG. 3 is a plan view with a part cut away showing the vicinity of a first retaining portion and a second retaining portion of the disk device according to the embodiment. It is the side view which notched a part which shows the 1st retaining part and the 2nd retaining part vicinity of the disc apparatus in the said embodiment. FIG. 4 is a side view with a part cut away showing the vicinity of the first retaining portion and the second retaining portion in a state where the normal tray of the disk device in the embodiment is advanced. It is the top view which notched a part which shows the 3rd retaining part vicinity of the disc apparatus in the said embodiment.

Explanation of symbols

23 …… Turntable as holding portion 100 …… Disk device 200 …… Case body 200A… Case body portion 200B… Wing portion 201 …… Open surface 212A, 212B… Rail guide as guide rail 220 …… First release Stop part 221 …… First restricting part 222 …… First retaining part 230 ...... Second retaining part 231 ...... Second restricting part 232 ...... Second retaining part 240 ...... Also as the first retaining part Functioning third retaining portion 241A ... first resin restricting portion 242B ... first raising / lowering restricting portion 300 ......... tray

Claims (6)

A case body having an opening surface on at least one surface and having an internal space communicating with the opening surface; a pair of guide rails arranged in the case body so that one end side in the longitudinal direction can move forward and backward from the internal space; and A disc device comprising: a tray that is slidable in a longitudinal direction between guide rails, is held so as to be able to advance and retreat from the internal space, and has a holding portion that holds a disc-shaped recording medium;
A first retaining portion for restricting advancement of the guide rail by advancing the guide rail at a predetermined distance from the opening surface;
At the same time that the advancement of the guide rail is restricted by the first retaining portion, or from the state where the advancement of the guide rail is restricted, the guide rail further advances from the opening surface. A second retaining part that regulates advancement,
A disk apparatus comprising: The disk device according to claim 1,
The first retaining portion includes a first retaining piece provided at one end portion of at least one of the guide rails in the longitudinal direction, and a predetermined amount of the guide rail provided on the case body from the opening surface. A first restricting portion with which the first retaining piece abuts by advancing,
The second retaining part includes at least a second retaining part provided on a guide rail provided with the first retaining part, and the first retaining part provided on the case body. A disk device, comprising: a second restricting portion on which the second retaining piece abuts in a state where the guide rail further advances from the opening surface while abutting on the portion. The disk device according to claim 2,
The disk device according to claim 1, wherein the first retaining piece and the second retaining piece are respectively provided on the pair of guide rails. The disk device according to claim 2 or 3, wherein
The first retaining piece and the second retaining piece are respectively provided in a state in which the guide rail protrudes in a direction intersecting with an advancing / retreating direction in which the guide rail advances / retreats from the opening surface,
The first restricting portion is formed of a synthetic resin.
The disc device characterized in that the second restricting portion is formed by cutting and raising the case body made of a metal plate. The disk device according to any one of claims 2 to 4,
The first restricting portion of the first retaining portion includes a first resin restricting portion made of a synthetic resin adjacent to the opening and retreating direction in which the guide rail advances and retreats from the opening surface, and the first resin restricting portion. A disc device comprising: a first cut-and-raised regulating portion formed by cutting and raising from the case body adjacent to the portion. A disk device according to any one of claims 2 to 5,
The case body is provided in a series with the casing main body in which the guide rail and the tray are disposed, and the recording medium is transported while forming a transport path for the recording medium. And a wing part covering the
The disk device according to claim 1, wherein the second restricting portion of the second retaining portion is formed in a series so as to protrude from the wing portion into the housing main body.

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