JP2008059667A - Recording and reproducing device equipped with structure to prevent wrong insertion of disk - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a recording and reproducing device which suppresses stacked disks from being inserted incorrectly into a recording and reproducing device. <P>SOLUTION: An aperture 3 is formed at a front part of a body frame 2 which forms the outside of a recording and reproducing device 1, and it is equipped with a disk tray 4 which is carried in and carried out from the aperture 3. A closing section 12 which closes the aperture 3 when completing carrying in the disk tray 4 is formed at a leading end of the disk tray 4. When the disk tray 4 with stacked disks D and D loaded thereon is carried into the body frame 2 from the aperture 3, one upper disk D of the two disks D and D is brought into contact with a rib 5 integrally formed in the body frame 2, and incorrect insertion of the above disk D into body frame 2 is suppressed. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a recording / reproducing apparatus capable of recording information on a disc, which is a recording medium such as a CD or DVD, and capable of reproducing the recorded information. Disc erroneous insertion prevention structure that can prevent the two discs from being erroneously inserted into the recording / reproducing apparatus in a situation where the disc is transported into the recording / reproducing apparatus by the disc tray The present invention relates to a recording / reproducing apparatus including

  2. Description of the Related Art Conventionally, a recording / reproducing apparatus provided with a disk tray that advances and retreats in and out of the apparatus has a disk tray that is slidable with respect to a main body frame of the recording / reproducing apparatus, and drives a motor mounted inside the main body frame. A recording / reproducing apparatus adopting so-called tray loading that conveys the force of a disk placed on the disk tray to a recording / reproducing position for recording / reproducing the disk inside the apparatus via a transmission mechanism such as a gear or a pulley. Proposed. In such a recording / reproducing apparatus, various kinds of information such as a traverse unit combining parts such as a pick-up unit and a turntable for reading and reproducing information on a disc carried together with a disc tray or writing and recording information on the disc are provided. The main parts are composed.

  In the recording / reproducing apparatus, if a user mistakenly places two disks on the disk tray, the disk tray is transported into the apparatus while the two sheets are stacked. A disk stacked on one of the two sheets comes into contact with various members in the recording / reproducing apparatus, and the recording surface of the disk and the members in the recording / reproducing apparatus in contact with the disk may be damaged. In addition, if the two discs overlap, the turntable may not rotate smoothly or the disc may not be pressed by the turntable, which may lead to malfunctions. However, there is a problem that it is difficult to collect proper information at the time of recording or reproducing the disk, and the quality of the recording / reproducing apparatus is deteriorated. It was.

  As related to the above-described prior art, Patent Document 1 discloses that a disk loaded into a disk device by a disk tray is received by a turntable in a state where two disks overlap each other, and is lifted from the disk tray. A push switch as a number discriminating means for mechanically detecting that the turntable has received two discs when the disc is placed on the disc tray by the user. By detecting this, a disk device employing a structure that unloads (unloads) the disk or stops the operation of the disk device is disclosed.

JP 2006-172559 A

  In Patent Document 1, although it is possible to avoid erroneous insertion of two discs by detecting a problem such that two discs are erroneously inserted into the disc device with a push switch, As a means for preventing erroneous insertion of the disk, since a push switch that switches electrically is used, there is a problem that the number of parts increases and the cost performance decreases. In addition, there is a large cause of variation in the height direction such as a range where the push switch can be turned off, and there is a possibility that it cannot be ensured.

  This case has been made in view of the above-mentioned problems. When two discs are overlapped in the recording / reproducing apparatus and are about to be inserted erroneously, the recording surface of the disc accompanying the erroneous insertion is damaged. It is an object of the present invention to provide a recording / reproducing apparatus having a structure for preventing erroneous insertion of a disc, which can eliminate the problem of being attached to the disk and suppress the increase in the number of parts, thereby improving cost performance.

  A recording / reproducing apparatus having a disc erroneous insertion preventing structure according to claim 1 of the present invention includes a disc tray that forms an opening at a front portion of a main body frame that forms an appearance, and is carried in and out of the opening, A recording / reproducing apparatus that closes the opening with a closing portion formed on a front end side of the disc tray when the loading of the disc tray is completed, and the disc tray on which two stacked discs are mounted A rib that suppresses erroneous insertion into the main body frame by coming into contact with one of the two disks stacked on top of the two disks when being carried into the main body frame from the main body frame; It is provided in the frame.

  According to the configuration of claim 1, when a disc in a state where two discs are mistakenly stacked is carried into the main body frame from the opening by the disc tray in accordance with the disc tray loading operation, the disc tray is stacked on the upper portion of the two discs. It is possible to prevent the inserted disc from coming into contact with the rib and erroneously inserting the disc into the main body frame.

  According to a second aspect of the present invention, there is provided a recording / reproducing apparatus having a disc erroneous insertion preventing structure according to the first aspect, wherein the rib and the body frame are made of synthetic resin. And the main body frame and the rib are integrally formed.

  According to the structure of the second aspect, the rib can be integrally formed on the main body frame forming the appearance by using a die so that the cost can be kept low, and one of the two disks stacked on the upper part of the two disks is a rib. It is possible to prevent the entire disc from being erroneously inserted into the main body frame.

  According to a third aspect of the present invention, there is provided a recording / reproducing apparatus having a disc erroneous insertion prevention structure according to the first or second aspect, wherein the one disc is connected to the main body by the rib. When it is suppressed from being erroneously inserted into the frame, the data recording surface of the disk that has been prevented from being loaded into the main body frame is prevented from coming into contact with the closed portion against the flat disk. The upper portion of the blocking portion is formed in a concave shape.

  According to the configuration of claim 3, since the upper portion of the closing portion is formed in a concave shape with respect to the flat plate-like disc, for example, the data recording surface of one of the discs stacked on the upper portion of the two discs is on the lower side Even if the data recording surface of the one disk is not in contact with the closed portion, only the peripheral portion of one disk is in contact with the closed portion, so that the data recording surface of the one disc is damaged. It is possible to avoid sticking.

  According to a fourth aspect of the present invention, there is provided a recording / reproducing apparatus having a disc erroneous insertion preventing structure according to the first or second aspect, wherein the one disc is inserted into the main body by the rib. When it is suppressed from being erroneously inserted into the frame, the data recording surface of the disk that has been prevented from being loaded into the main body frame is prevented from coming into contact with the closed portion against the flat disk. The upper portion of the blocking portion is formed in a substantially V shape.

  According to the configuration of claim 4, since the upper part of the closing portion is formed in a substantially V shape with respect to the flat disk, for example, the data recording surface of one of the disks stacked on the upper part of two disks Even if the disk is disposed on the lower side, the data recording surface of one of the disks does not contact the closed part, but only the peripheral part of one disk contacts the closed part. It becomes possible to avoid the surface from being damaged.

  According to the recording / reproducing apparatus having the disc erroneous insertion preventing structure according to claim 1, an opening is formed in the front portion of the main body frame forming the appearance, and a disc tray that is carried in and out of the opening is provided. A recording / reproducing apparatus that closes the opening with a closing portion formed on a front end side of the disc tray when loading of the disc tray is completed, and the disc tray on which two stacked discs are placed is opened from the opening. A rib is provided on the main body frame to prevent erroneous insertion into the main body frame by being brought into contact with one of the two disks stacked on the upper part of the two disks when being carried into the main body frame. As a result, the entire disc is erroneously inserted into the main body frame when a double-layer disc is carried into the main body frame from the opening due to an erroneous operation by the user. , Or worse scratched various members and components of the disk and body frame, it is possible to prevent the failure, it is possible to improve the quality.

  According to the recording / reproducing apparatus having the disc erroneous insertion preventing structure according to claim 2, the rib and the main body frame are made of synthetic resin in the recording / reproducing apparatus having the disc erroneous insertion preventing structure according to claim 1. The body frame and the rib are integrally formed. Thereby, cost can be held down cheaply. More specifically, the erroneous insertion of the two stacked disks as in the prior art is realized by a rib integrally formed with a synthetic resin together with the main body frame without using a push switch as a mechanical number discriminating means. Thus, since the number of parts is not increased and a complicated structure is not required, it is possible to provide a recording / reproducing apparatus that can reduce the cost and can prevent a failure as much as possible.

  According to the recording / reproducing apparatus having the disc erroneous insertion preventing structure according to claim 3, the recording / reproducing device having the disc erroneous insertion preventing structure according to claim 1 or 2, wherein the one disc is formed by the rib. When it is suppressed from being erroneously inserted into the main body frame, the flat disk-like disk is formed so that the data recording surface of the disk that is suppressed to be loaded into the main body frame and the closing portion do not come into contact with each other. On the other hand, the upper portion of the closing portion is formed in a concave shape, and it is possible to prevent the data recording surface of one disk from coming into contact with the closing portion of the main body frame.

  According to the recording / reproducing apparatus provided with the erroneous disk insertion preventing structure of claim 4, the recording / reproducing apparatus provided with the erroneous disk insertion preventing structure according to claim 1 or 2, wherein the one disk is formed by the rib. When it is suppressed from being erroneously inserted into the main body frame, the flat disk-like disk is formed so that the data recording surface of the disk that is suppressed to be loaded into the main body frame and the closing portion do not come into contact with each other. On the other hand, the upper portion of the closed portion is formed in a substantially V shape, and it is possible to prevent the data recording surface of one disk from coming into contact with the closed portion of the main body frame.

  Examples of the best mode for carrying out the present invention will be described below. Of course, it goes without saying that the present invention can be easily applied to other than those described in the embodiments without departing from the spirit of the invention.

  1 is a front view showing the recording / reproducing apparatus, FIG. 2 is a plan view showing the recording / reproducing apparatus, FIG. 3 is a side view showing the recording / reproducing apparatus, and FIG. 4 is a sectional view showing the recording / reproducing apparatus viewed from the side. 5 is a perspective view showing the main body frame, and FIG. 6 is a perspective view showing the disc tray. In FIGS. 2 to 4, two stacked discs placed on the disc tray are carried into the recording / reproducing apparatus. This shows a state where it is suppressed.

  A main body frame 2 forming the appearance of the recording / reproducing apparatus 1 has a rectangular opening 3 formed at the front thereof, and the disc tray 4 is conveyed from the opening 3 into and out of the recording / reproducing apparatus 1. The recording / reproducing apparatus 1 in this embodiment is a so-called tray loading type.

  The main body frame 2 is a member made of synthetic resin, and ribs 5 are integrally formed in the vicinity of both ends of the opening 3.

  Similar to the structure of a general recording / reproducing apparatus, a motor as driving means (not shown) is assembled in the main body frame 2, and the motor is connected via a drive transmission mechanism including a plurality of gears (not shown). The disc tray 4 is moved back and forth (left and right shown in FIG. 4) in conjunction with the rotation.

  The disc tray 4 is formed with a concave disc placement portion 11 for horizontally placing a disc D as a recording medium on which data is recorded, and the disc placement portion 11 when the disc tray 4 is unloaded. The disk D placed on the upper surface of the recording medium is loaded into the recording / reproducing apparatus 1, that is, into the main body frame 2 by loading the disk tray 4.

  A closing portion 12 that closes the opening 3 of the main body frame 2 is formed on the front end side of the disc tray 4, and the closing portion 12 closes the opening 3 when the loading of the disc tray 4 is completed. Furthermore, as shown in FIG. 6, the upper portion of the closing portion 12 is formed in a substantially V shape so that both end sides thereof are higher than the center side. In the present embodiment, the description will be continued in the case where the upper portion of the blocking portion 12 is formed in a substantially V shape. However, the present invention is not limited to this, and as will be described later, the upper portion of the blocking portion 12 and the disk D If the shape is such that it does not contact the data recording surface, the shape of the upper portion of the closed portion 12 may be appropriately selected such as a concave shape instead of a substantially V shape. It may be a curved shape.

  As described above, a pair of convex ribs 5 are integrally formed on the main body frame 2 in the vicinity of both end portions of the opening 3. As shown in FIG. 5, the ribs 5 are formed at positions facing each other inside the side wall portion of the main body frame 2, and the interval between the two ribs 5 is less than 119.7 mm. The disc D that can be recorded / reproduced when one disc D is placed on the disc tray 4 in the recording / reproducing apparatus 1 in the present embodiment is a donut shape, and is formed on one side and the periphery thereof. Does not have a portion for recording data (data recording surface), and the standard of the size is a diameter of 119.7 mm or more and 120.3 mm or less and a thickness of 1.1 mm or more. Since the length is 1.5 mm or less, the rib 5 is formed at a location exceeding 1.5 mm above the disc placement surface 11 of the disc tray 4, and the two discs are accidentally stacked on the disc tray 4 that has been carried out. Tadis When these discs D and D are carried into the main body frame 2 in a state where D and D are placed, as shown in FIG. A part of the peripheral edge of the disc is brought into contact with the rib 5, so that the disc D can be prevented from being erroneously inserted into the main body frame 2 when the disc tray 4 is loaded.

  Next, an example in which the disc tray 4 is conveyed into the main body frame 2 will be described. When one disk D is loaded on the disk loading section 11 of the disk tray 4 that has been unloaded by the user, the disk D is loaded into a predetermined position in the main body frame 2 without any adverse effect. If an operation for loading the disc tray 4 is performed in a state where the discs D and D that have been mistakenly stacked are placed on the disc placement portion 11 of the disc tray 4 that has been carried out, the disc tray 4 Then, it is carried into the main body frame 2 through a drive transmission mechanism by driving a motor (not shown). Then, one of the disks D arranged above the two stacked disks D and D comes into contact with the rib 5 as the disk tray 4 is carried in as shown in FIGS. Thus, it is possible to prevent all of the one disk D disposed above from being erroneously inserted into the main body frame 2. In this case, one of the disks D arranged above the rib 5 is in contact with the rib 5 and a part of the peripheral edge of the disk D so that the recording surface of the disk D is not damaged. It is possible to prevent the recording surface of the disk D from being damaged.

  Subsequently, when the disc tray 4 continues to be carried in while maintaining the state in which the peripheral portion of one of the discs D is in contact with the rib 5, the disc tray 4 is disposed above the closing portion 12 for closing the opening. In one disk D, the data recording surface on the lower surface side where data is recorded comes into contact, and there is a concern that the data recording surface of one disk D may be damaged. Since the upper part of the closing part 12 is formed in a V-shaped curve so that it does not come into contact with the facing data recording surface, one disk D is placed on the upper part of the closing part as the disk tray 4 is loaded. Even if the disk D is run on, the peripheral portion of the disk D can be prevented from coming into contact with the closed part 12, and the data recording surface of the disk D can be prevented from coming into contact with the closed part 12. It is possible and to prevent scratching. Furthermore, as in the past, the erroneous insertion of two stacked discs is made of synthetic resin that can be molded integrally with the main body frame 2 without using a push switch as a mechanical number discriminating means. Since the number of parts is not increased and a more complicated structure is not required, the cost can be reduced.

  As described above, according to the recording / reproducing apparatus 1 of the present embodiment, when the disc tray 4 on which the two discs D and D are placed is carried into the main body frame 2 from the opening 3, When the one disk D and the rib 5 stacked on the upper part of the disks D and D are in contact with each other, the whole of the one disk D is formed in the main body frame 2 by the rib 5 formed integrally with the main body frame 2. It is configured to suppress erroneous insertion into the inside. Accordingly, when the two stacked disks D and D are loaded into the main body frame 2 from the opening 3 in accordance with the loading operation of the disk tray 4, they are stacked on the upper part of the two disks D and D. It is possible to reliably prevent the one disk D from coming into contact with the rib 5 and the entire one disk D from being erroneously inserted into the main body frame 2. Therefore, the entire one disk D in the two-layer stack is accidentally inserted into the main body frame 2, and the erroneously inserted one disk D and various members and parts in the main body frame 2 come into contact with each other. Therefore, it is possible to prevent damage to each other or failure, thereby improving quality.

  Further, the material of the ribs 5 and the main body frame 2 is a synthetic resin, and the main body frame 2 and the ribs 5 are integrally molded by an injection molding machine, not separately. Therefore, the rib 5 can be integrally formed on the main body frame 2 that forms the external appearance by using a mold or the like configured in an injection molding machine, and the cost can be kept low, and the two of the disks D and D can be reduced. It can be suppressed that one of the disks D superimposed on the upper part comes into contact with the rib 5 and the whole of the one disk D described above is erroneously inserted into the main body frame 2. Therefore, the erroneous insertion of the two stacked disks as in the prior art is realized by the rib 5 integrally molded with the main body frame 2 and the synthetic resin without using the push switch as the mechanical number discriminating means. Thus, since the number of parts is not increased and a complicated structure is not required, it is possible to provide the recording / reproducing apparatus 1 that can reduce the cost and can prevent the failure as much as possible.

  Furthermore, when one of the disks D is prevented from being erroneously inserted into the main body frame 2 by the rib 5, the data recording surface of the one disk D that has been inhibited from being loaded into the main body frame 2, Since the upper portion of the closing portion 12 is formed in a concave shape or a substantially V shape with respect to the flat discs D and D so that they do not come into contact with each other, for example, they are stacked on the upper portion of the two discs D and D. Even if the data recording surface of one disk D is arranged on the lower side, the data recording surface of this one disk D does not come into contact with the closing portion 12 but the peripheral edge portion and the closing portion 12 of one disk D. Can contact the data recording surface of one of the disks D in advance.

It is a front view which shows the recording / reproducing apparatus in an example of this invention. It is a top view which shows a recording / reproducing apparatus same as the above. It is a side view which shows a recording / reproducing apparatus same as the above. It is sectional drawing which shows the state which looked at the recording / reproducing apparatus from the side surface same as the above. It is a perspective view which shows a main body frame same as the above. It is a perspective view which shows a disc tray same as the above.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Recording / reproducing apparatus 2 Main body frame 3 Opening part 4 Disc tray 5 Rib 12 Closure part D Disc

Claims (4)

  An opening is formed in the front part of the main body frame that forms the appearance, and a disk tray that is carried in and out of the opening is provided. When the loading of the disk tray is completed, the opening is formed on the front end side of the disk tray. A recording / reproducing apparatus that is closed by the closed portion, wherein an upper portion of the two discs when a disc tray on which two stacked discs are placed is carried into the main body frame from the opening. A recording / reproducing apparatus provided with a structure for preventing erroneous insertion of a disc, wherein the main body frame is provided with a rib for preventing erroneous insertion into the main body frame by contacting one of the discs stacked on the main body frame. .   2. The recording / reproducing apparatus having a disc erroneous insertion preventing structure according to claim 1, wherein the rib and the main body frame are made of synthetic resin, and the main body frame and the rib are integrally formed.   When the one disc is prevented from being erroneously inserted into the main body frame by the rib, the data recording surface of the disc that has been suppressed from being brought into the main body frame does not contact the closing portion. The recording / reproducing apparatus having a disc erroneous insertion preventing structure according to claim 1 or 2, wherein the upper portion of the closing portion is formed in a concave shape with respect to the flat disc. When the one disk is prevented from being erroneously inserted into the main body frame by the rib, the data recording surface of the disk that has been suppressed from being loaded into the main body frame does not contact the blocking portion. The recording / reproducing apparatus having a disc erroneous insertion preventing structure according to claim 1, wherein the upper portion of the blocking portion is formed in a substantially V shape with respect to the flat disc.

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