JP4213116B2 - Disk transport device - Google Patents

Description

  The present application belongs to a technical field of a disc transport apparatus that transports a disc such as a CD (Compact Disc) and a DVD (Digital Versatile Disc).

2. Description of the Related Art Conventionally, as an example of this type of disk transport apparatus, there has been known a disk transport apparatus that includes a casing in which an insertion slot into which a disk is inserted is formed and a traverse mechanism that is supported so as to be movable up and down with respect to the casing. (For example, refer to Patent Document 1).
Japanese Unexamined Patent Publication No. 2003-263855 (page 12, FIG. 7)

  However, the above-described conventional disk transport device has a problem that it is difficult to stabilize the behavior of the inserted disk because a mechanism for guiding the inserted disk is not provided in the insertion slot.

  Therefore, the present application has been made in view of the above-described circumstances. As an example of the problem, in the type of device in which the traverse mechanism is raised and lowered, the behavior of the inserted disk can be stabilized, and the size of the device can be reduced. An object of the present invention is to provide a disk transport device that can be thinned.

  In order to solve the above-described problem, the disc transport apparatus according to claim 1 includes a housing in which an insertion port into which a disc is inserted is formed, one end portion extending along the insertion port, and the And a lifting mechanism supported to be movable up and down with respect to the casing, and a guide that is provided at the one end and guides the inserted disc. A first moving member provided at the other end and holding the inserted disc, the guide mechanism being supported so as to be movable with respect to the one end. And a first urging member for urging the first moving member, and the urged first moving member abuts on an outer periphery of the inserted disk to insert the inserted disc. It has the structure characterized by guiding.

  The best mode for carrying out the present application will be described below with reference to the drawings. The embodiment described below shows an embodiment in which the disk transport device according to the present application is applied to, for example, a slot-in type disk drive.

  Specifically, the disk drive in the present embodiment is configured to carry various disks having different outer diameters, for example, a 12 cm disk and an 8 cm disk.

  First, the configuration of the disk drive in the present embodiment will be described with reference to FIGS. FIG. 1A is a plan view showing the disk drive in the present embodiment, and FIG. 1B is a front view showing the bottom case and the top case in the present embodiment. FIG. 2B is a plan view showing the traverse mechanism in the present embodiment, FIG. 2B is a side view showing the traverse mechanism in the present embodiment, and FIG. 2C shows the traverse mechanism in the present embodiment. FIG. 3A is a side view, FIG. 3A is a plan view showing a disk drive in this embodiment, FIG. 3B is a side view showing a traverse mechanism in this embodiment, and FIG. FIG. 4B is a front view showing a guide mechanism in the present embodiment, FIG. 4B is a front view showing the guide mechanism in the present embodiment, and FIG. 5A is a guide mechanism and a switch in the present embodiment. The FIG. 5B is a plan view showing the guide mechanism and the switch in the present embodiment, and FIG. 6A is a front view showing the guide mechanism in the present embodiment. FIG. 7B is a front view showing the guide mechanism in the present embodiment, FIG. 7A is a front view showing the guide mechanism in the present embodiment, and FIG. 7B is a guide in the present embodiment. FIG. 8A is a front view showing the mechanism, FIG. 8A is a front view showing the bottom case and the top case in this embodiment, and FIG. 8B is a front view showing the guide mechanism in this embodiment. .

  As shown in FIGS. 1 and 2, the disk drive 100 according to the present embodiment includes a bottom case 110 and a top case 111 as examples of a casing, a traverse mechanism 120 as an example of an elevating mechanism, and an example of a guide mechanism. Guide mechanism 130, a guide mechanism 140 as an example of an auxiliary mechanism, a turntable 150 as an example of a holding mechanism, a transport mechanism (not shown) for transporting the disk, and a pickup 160 for recording and reproducing the disk. , A switch 170 as an example of a detection unit and a CPU (Central Processing Unit) 180 as an example of a determination unit.

  The bottom case 110 has a deep bottom portion 112 that houses the traverse mechanism 120 and a shallow bottom portion 113 juxtaposed to the deep bottom portion 112, and is closed by the top case 111. The disk drive 100 configured as described above is a so-called slim type disk drive, and an insertion port 114 into which the disk 101 is inserted is provided between the bottom case 110 and the top case 111 as shown in FIG. Is formed.

  The traverse mechanism 120 has one end 121 extending along the insertion port 114 and another end 122 located at the center of the bottom case 110, and is supported so as to be movable up and down with respect to the bottom case 110. ing. Specifically, the traverse mechanism 120 is connected to the bottom case 110 via a connecting member 123 composed of screws, bushes, and the like, and is in a raised position (FIG. 2B) with the connecting member 123 as a fulcrum. )) And a lowered position (see FIG. 2C) inclined by a predetermined angle α.

  The guide mechanism 130 is provided at one end 121 of the traverse mechanism 120, and guides the inserted disc 101 as shown in FIG. Specifically, the guide mechanism 130 attaches a guide lever 131 as an example of a first moving member supported so as to be movable with respect to one end 121 of the traverse mechanism 120 and a guide lever 131 inward. And a spring 132 as an example of a biasing first biasing member. The biased guide lever 131 comes into contact with the outer periphery of the inserted disc 101 to guide the inserted disc 101. ing.

  The guide lever 131 has a pin 133 as an example of a tip that comes into contact with the outer periphery of the inserted disc 101, and the pin 133 is moved when the traverse mechanism 120 is moved to the raised position (see FIG. 2B). Provided so as to be inclined by a predetermined angle α with respect to the traverse mechanism 120, that is, when the traverse mechanism 120 is moved to the lowered position (see FIG. 2C), it is orthogonal to the inserted disc 101. It has been.

  The guide mechanism 140 is provided along the insertion port 114 and assists the guide operation of the guide mechanism 130 as shown in FIG. Specifically, the guide mechanism 140 includes a guide lever 141 as an example of a second moving member that is movably supported with respect to the bottom case 110, and a second attachment that urges the guide lever 141 inward. And a spring 132 as an example of a biasing member. The biased guide lever 141 contacts the outer periphery of the inserted disc 101 to guide the inserted disc 101.

  As shown in FIG. 4, the guide lever 141 includes one piece 142 that is in sliding contact with the deep bottom portion 112 of the bottom case 110, another piece 143 that is in sliding contact with the shallow bottom portion 113 of the bottom case 110, and an inserted disc. 101 has a pin 144 as an example of a tip abutting on the outer periphery of 101, and is formed in a crank shape. The deep bottom portion 112 and the shallow bottom portion 113 of the bottom case 110 are provided along the moving direction of the guide lever 141.

  The guide mechanism 140 includes a slider 145 as an example of a support member that supports the pin 144 of the guide lever 141, and a spring 146 as an example of a third biasing member that biases the slider 145 outward. The biased slider 145 supports the pin 144 of the guide lever 141 from below when the pin 144 of the guide lever 141 is positioned at the deep bottom portion 112 of the bottom case 110 (see FIG. 4A). When the pin 144 of the guide lever 141 is positioned at the shallow bottom portion 113 (see FIG. 4B), the guide lever 141 is retracted from below the pin 144 of the guide lever 141.

  The turntable 150 is provided at the other end 122 of the traverse mechanism 120, and engages with the inner periphery of the inserted disc 101 when the traverse mechanism 120 rotates to the raised position (see FIG. 2B). By doing so, the inserted disc 101 is held.

  The transport mechanism is configured by members such as a lever, a roller, and a gear, and is inserted by contacting the outer periphery of the inserted disk 101 when the traverse mechanism 120 is rotated to the lowered position (see FIG. 2C). The disc 101 is transported.

  The switch 170 is provided at one end 121 of the traverse mechanism 120 and detects the position of the guide lever 131. Specifically, the guide lever 131 moves in the left-right direction according to the outer diameter of the inserted disc 101, and the switch 170 moves when the guide lever 131 moves to the left end of the insertion slot 114 (FIG. 5A). In addition, the guide lever 131 is turned on and turned off when the guide lever 131 is moved from the left end of the insertion port 114 (see FIG. 5B).

  The CPU 180 determines the outer diameter of the inserted disk 101, that is, whether it is a 12 cm disk or an 8 cm disk, based on the position of the guide lever 131, that is, on / off of the switch 170. . The CPU 180 controls the disc transport operation based on the disc discrimination result.

  As described above, in this embodiment, the disc drive 100 includes the bottom case 110 in which the insertion port 114 into which the disc is inserted is formed, the one end 121 extending along the insertion port 114, and the bottom case. The traverse mechanism 120 having another end portion 122 located at the center of the 110 and supported so as to be movable up and down with respect to the bottom case 110 and the one end portion 121 for guiding the inserted disc 101. The guide mechanism 130 includes a guide lever 130 that is provided at the other end portion 122 and holds the inserted disc 101. The guide mechanism 130 is supported by the end portion 121 so as to be movable. 131 and a spring 132 for biasing the guide lever 131, and the outer periphery of the disk 101 into which the biased guide lever 131 is inserted. It has a configuration which is characterized by guiding the disc 101 inserted by abutment.

  With this configuration, in this embodiment, the guide mechanism 130 for guiding the inserted disc 101 is provided at one end 121 of the traverse mechanism 120. Therefore, in the apparatus of the type in which the traverse mechanism 120 moves up and down, Thus, the behavior of the disc can be stabilized, and the apparatus can be reduced in size and thickness.

  Further, in this embodiment, the disk drive 100 is provided at one end 121 and detects the position of the guide lever 131 and the outer diameter of the disk 101 inserted based on the detected position. And a CPU 180.

  With this configuration, in the present embodiment, the switch 170 for detecting the position of the guide lever 131 is provided at one end 121 of the traverse mechanism 120. Therefore, the switch 170 is inserted in the type of device in which the traverse mechanism 120 moves up and down. The outer diameter of the disc can be discriminated, and various discs having different outer diameters can be conveyed.

  In the present embodiment, the pin 133 of the guide lever 131 is configured to be orthogonal to the disk 101 inserted when the traverse mechanism 120 moves to the lowered position.

  With this configuration, in this embodiment, the pin 133 of the guide lever 131 is orthogonal to the inserted disc 101, so that the inserted disc can be accurately guided.

  In the present embodiment, the disk drive 100 includes a guide mechanism 140 that is provided along the insertion port 114 and assists the guide operation of the guide mechanism 130, and the guide mechanism 140 is movable with respect to the bottom case 110. It has a supported guide lever 141 and a spring 132 for biasing the guide lever 141, and guides the inserted disc 101 by abutting the outer periphery of the inserted disc 101 with the biased guide lever 141. It has the structure characterized by these.

  With this configuration, in this embodiment, since the guide mechanism 140 that assists the guide operation of the guide mechanism 130 is provided along the insertion port 114, the behavior of the inserted disc can be reliably stabilized.

  Further, in the present embodiment, the bottom case 110 has a deep bottom portion 112 that accommodates the traverse mechanism 120 and a shallow bottom portion 113 juxtaposed to the deep bottom portion 112, and the deep bottom portion 112 and the shallow bottom portion 113 are provided on the guide lever 141. The guide lever 141 is provided along the moving direction. The guide lever 141 has one piece 142 that is in sliding contact with the deep bottom portion 112 and another piece 143 that is in sliding contact with the shallow bottom portion 113. It has the structure characterized by being provided so that it may contact | abut on outer periphery.

  With this configuration, in this embodiment, the guide lever 141 moves along the deep bottom portion 112 and the shallow bottom portion 113, so that even when the bottom case 110 is provided with the deep bottom portion 112 and the shallow bottom portion 113, the guide lever 141 is inserted. The behavior of the disc can be stabilized.

  In the present embodiment, the guide mechanism 140 has a configuration characterized by including a slider 145 that supports the pin 144 when the pin 144 is positioned at the deep bottom portion 112.

  With this configuration, in this embodiment, since the slider 145 supports the pin 144 when the pin 144 is positioned at the deep bottom portion 112, the pin 144 can be prevented from being cantilevered.

  Further, in the present embodiment, the slider 145 has a configuration characterized in that it retracts from the pin 144 when the pin 144 is positioned at the shallow bottom portion 113.

  With this configuration, in this embodiment, the slider 145 retracts from the pin 144 when the pin 144 is positioned at the shallow bottom portion 113, so that the moving distance of the pin 144 can be set large.

  In the present embodiment, as shown in FIG. 4, the slider 145 is configured to move in accordance with the position of the pin 144 of the guide lever 141. However, the present invention is not limited to this, as shown in FIG. The slider 147 may be fixed to the deep bottom portion 112 of the bottom case 110.

  Further, in the present embodiment, as shown in FIG. 4, the pin 144 of the guide lever 141 is supported by the slider 145, but not limited to this, as shown in FIG. The pin 144 of the guide lever 141 may be supported by the shallow bottom portion 113.

  Further, in the present embodiment, as shown in FIG. 1B, the bottom case 110 is configured to be provided with a shallow bottom portion 113. However, the present invention is not limited to this, and as shown in FIG. The case 110 may be configured not to be provided with the shallow bottom portion 113. In this case, as shown in FIG. 8B, a guide lever 148 formed in a plate shape can be provided, and the slider 145 and the spring 146 can be dispensed with.

  Moreover, in this embodiment, although the 1st biasing member and the 2nd biasing member are comprised by the same spring 132, it is not restricted to this, You may be comprised by a separate spring.

  In the present embodiment, the spring 132 and the spring 146 may be tension springs or compression springs.

(A) is a top view which shows the disk drive in one Embodiment of this application, (b) is a front view which shows the bottom case and top case in one Embodiment of this application. (A) is a top view which shows the traverse mechanism in one Embodiment of this application, (b) is a side view which shows the traverse mechanism in one Embodiment of this application, (c) is one Embodiment of this application It is a side view which shows the traverse mechanism in. (A) is a top view which shows the disk drive in one Embodiment of this application, (b) is a side view which shows the traverse mechanism in this embodiment. (A) is a front view which shows the guide mechanism in one Embodiment of this application, (b) is a front view which shows the guide mechanism in one Embodiment of this application. (A) is a top view which shows the guide mechanism and switch in one Embodiment of this application, (b) is a top view which shows the guide mechanism and switch in one Embodiment of this application. (A) is a front view which shows the guide mechanism in one Embodiment of this application, (b) is a front view which shows the guide mechanism in one Embodiment of this application. (A) is a front view which shows the guide mechanism in one Embodiment of this application, (b) is a front view which shows the guide mechanism in one Embodiment of this application. (A) is a front view which shows the bottom case and top case in one Embodiment of this application, (b) is a front view which shows the guide mechanism in one Embodiment of this application.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Disc drive 101 Disc 110 Bottom case 111 Top case 112 Deep bottom portion 113 Shallow bottom portion 114 Insertion port 120 Traverse mechanism 121 One end portion 122 Other end portion 123 Connecting member 130 Guide mechanism 131 Guide lever 132 Spring 133 Pin 140 Guide mechanism 141 Guide lever 142 One piece 143 Other piece 144 Pin 145 Slider 146 Spring 150 Turntable 160 Pickup 170 Switch 180 CPU

Claims (7)

A housing in which an insertion slot into which a disc is inserted is formed;
An elevating mechanism having one end extending along the insertion port and another end located at the center of the housing, and supported to be movable up and down with respect to the housing;
A guide mechanism provided at the one end for guiding the inserted disc;
A holding mechanism provided at the other end for holding the inserted disc;
The guide mechanism includes a first moving member that is movably supported with respect to the one end portion, and a first urging member that urges the first moving member. A disc transporting apparatus characterized in that the first moving member abuts on the outer periphery of the inserted disc to guide the inserted disc. The disk transport device according to claim 1,
A detecting means provided at the one end for detecting the position of the first moving member;
And a discriminating means for discriminating an outer diameter of the inserted disc based on the detected position. In the disk transport apparatus according to claim 1 or 2,
The disk transport apparatus according to claim 1, wherein the first moving member is orthogonal to the inserted disk when the elevating mechanism moves to the lowered position. In the disk conveyance device according to any one of claims 1 to 3,
An auxiliary mechanism provided along the insertion port, for assisting a guide operation of the guide mechanism;
The auxiliary mechanism includes a second moving member that is movably supported with respect to the casing, and a second urging member that urges the second moving member. 2. A disk conveying apparatus characterized in that the two moving members abut on the outer periphery of the inserted disk to guide the inserted disk. The disk transport apparatus according to claim 4, wherein
The housing includes a deep bottom portion that accommodates the lifting mechanism and a shallow bottom portion juxtaposed to the deep bottom portion, and the deep bottom portion and the shallow bottom portion are provided along a moving direction of the second moving member. And
The second moving member has one piece slidably in contact with the deep bottom portion and another piece slidably in contact with the shallow bottom portion, and the tip of the other piece is on the outer periphery of the inserted disc. A disk transport device provided so as to abut. The disk transport apparatus according to claim 5, wherein
The disk transport apparatus according to claim 1, wherein the auxiliary mechanism includes a support member that supports a tip of the other piece when the tip of the other piece is located at the deep bottom. The disk transport apparatus according to claim 6, wherein
The disk transport device according to claim 1, wherein the support member retracts from the tip of the other piece when the tip of the other piece is located at the shallow bottom.

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