JPH0710846U - Disk magazine fixing device - Google Patents

Abstract

(57) [Summary] [Object] To provide a disc magazine fixing device capable of accurately and reliably fixing a disc magazine to a disc player with a simple configuration. [Structure] A disc magazine M side composed of a lock plate 7 slidable in a direction orthogonal to the insertion direction of the disc magazine M, a portion extending in the insertion direction of the disc magazine M, and a portion bent in a direction orthogonal to the insertion direction. A plurality of lock pins 7a that can be engaged with the engagement grooves K and a cylindrical cam 9 that controls sliding of the lock plate 7 are provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a disc magazine fixing device for fixing a disc magazine to a disc player, and more particularly to a disc magazine fixing device for fixing a side edge portion of a disc magazine insertion side.

[0002]

[Prior art]

 In general, as a disc player for a vehicle, a type in which a disc magazine capable of accommodating a plurality of discs is mounted is known. This type of disc player allows multiple discs to be set in the player at once using a disc magazine. Therefore, by selectively reproducing the discs in the magazine, it is possible to save the trouble of disc replacement, and high demand is obtained.

By the way, in a disc player using a disc magazine, a desired disc in a magazine, a disc reproducing unit, and a disc loading means for transporting the disc onto a turntable are moved relatively to each other so that they are flush with each other. The disc is loaded after it is placed on top. When performing such disc loading, there is a type in which only the magazine is fixed to the player side by moving the disc reproducing unit and the disc loading means. In the case of this type, a disc magazine fixing device for fixing the disc magazine to the disc player is provided.

[0004]

[Problems to be solved by the device]

 If the disc magazine is tilted and fixed with respect to the disc player, the disc may be inserted or removed with the disc being tilted, and the disc, the disc playback unit, or the disc loading means may be damaged. . Therefore, high accuracy is required for the fixing device of the disc magazine.

The present invention has been proposed in order to meet such a requirement, and an object thereof is to provide a disc magazine fixing device capable of accurately and surely fixing a disc magazine to a disc player with a simple structure. To provide.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, the invention according to claim 1 is capable of accommodating a plurality of discs, and has a substantially L-shaped configuration including a portion extending in the insertion direction and a portion bent in a direction orthogonal to the insertion direction. It is used for a disc magazine that has a plurality of engaging grooves at the side edge on the insertion direction side. For disc players that insert the disc magazine into the magazine insertion slot and selectively play the discs in the magazine. A fixing device for the disc magazine provided, comprising a lock plate slidable in a direction orthogonal to the insertion direction of the disc magazine, and a plurality of engagement pins provided on the lock plate and engageable with the engagement grooves. And a lock plate control means for controlling sliding of the lock plate.

According to a second aspect of the present invention, a plurality of disc holders for holding discs in the disc magazine are provided so as to be opened and closed in a fan shape around one rotation shaft, and side edges of the disc holders are provided. It is used for a disc magazine having a selection pin protruding outwardly, and has a cam groove that can be fitted into the selection pin and is rotatable to control the opening / closing operation of the disk holder. A cylindrical cam, the cylindrical cam controlling the lock plate control means.

[0008]

[Action]

 The operation of the present invention having the above configuration is as follows. That is, when the disc magazine is inserted into the magazine insertion port, the engagement pin slides on the portion of the engagement groove extending in the insertion direction. Then, when the insertion operation of the disc magazine is completed, the lock plate control means operates, and the lock plate slides in the direction orthogonal to the insertion direction of the disc magazine. By this sliding of the lock plate, the engaging pin slides on the portion of the engaging groove that bends in the direction orthogonal to the direction in which the magazine is inserted. As a result, the engaging pin engages with the engaging groove, but since there are multiple engaging grooves at the tip of the disc magazine, the engagement of both will fix the disc magazine without tilting it toward the player. can do.

The fixing operation in the present invention as described above can be performed only by sliding the lock plate in the direction orthogonal to the inserting direction of the magazine. Therefore, the configuration of the device can be simplified. Further, the disc player using the present invention can surely fix the magazine even if it is a type in which only the side edge portion of the disc magazine in the insertion direction is inserted, which greatly contributes to downsizing of the disc player. You can

Particularly, in the magazine fixing device according to the second aspect, since the lock plate control means is controlled by the cylindrical cam controlling the opening / closing operation of the disc holder in the disc magazine, the lock plate control means for the lock plate control means is controlled. No driving means is required, and the structure can be further simplified.

[0011]

【Example】

 An embodiment of the present invention will be specifically described below with reference to the drawings. 1 and 2 are plan views of the present embodiment, FIGS. 3 and 4 are right side views of the present embodiment, and FIG. 5 is a part of a disc player adopting the present embodiment and mounted on the disc player. 6A is a side view of the cylindrical cam 9, FIG. 6B is a development view of the cam groove 9a, and FIGS. 7 and 8 are the left side of the present embodiment. It is a plan view. The front side of each component including the disc magazine is the lower side in the plan view, the left side is the right side view, the right side is the left side view, and the back side is the upper side in the plan view. The right side view is the right side in the figure, and the left side view is the left side in the figure.

[Structure of Disc Magazine] With respect to the disc magazine M opened according to this embodiment, a state in which it is inserted or mounted in this embodiment is shown in FIGS. 1 to 5. The disc magazine M is composed of an upper case C1 having a substantially square shape and a lower case C2 covered with the upper case C1. The planar shape of the lower case C2 side in FIG. 1 and the upper case C1 side in FIG. The plane shape is shown. Of these, near the left and right ends of the inner edge of the lower case C2, a substantially L-shaped engagement is made up of a portion extending in the insertion direction of the disc magazine M and a portion bending in a direction orthogonal to the insertion direction. Grooves K, K are formed. The disc magazine M has three disc holders H for holding the disc D therein. As shown in FIG. 5, the disc holder H is composed of a substantially semi-circular plate-shaped member, and is attached so as to open and close in a fan shape around a rotating shaft H1 attached to the front edge of the disc magazine M. ing. A selection pin P 1 is provided on the left edge of the disc holder H so as to project outward. A pushing arm Q is provided near the left side of the disc holder H (see FIG. 2). The push-out arm Q is configured to rotate horizontally about a support shaft Q1 provided at the end on the back side, and a push-out portion Q3 for pushing the disc D to the disc player side is provided at the front-side end. A hook-shaped projection Q2 is formed on the left side of the support shaft Q1 on the left side.

A rotating shaft M1 is provided below the front edge of both cases C1 and C2 (see FIGS. 3 and 4), and the rotating shaft M1 connects both cases C1 and C2. There is. Both the cases C1 and C2 are configured such that a side edge portion on the front end side (that is, the side in which the disc magazine M 1 is inserted) opens vertically in a fan shape around the rotation axis M1.

A lock mechanism for locking both cases C1 and C2 in a closed state is provided near the rear end of the right side edge of the disc magazine M. The lock mechanism is composed of a substantially wedge-shaped lock claw member R10 rotatably arranged on the lower surface side of the upper case C1 and an angular engagement hole R20 formed in the lower case C2. The lock claw member R10 is provided with a support shaft R11 at the base end, and is attached to the upper case C1 so that the tip end side is always biased outward with the support shaft R11 as the center. An engaging claw R12 extending downward is provided on the right edge of the lock claw member R10. The tip of the engaging claw R12 projects outward and engages with the engaging hole R20 on the lower case C2 side. The cases C1 and C2 are locked by the engagement of the engagement claw R12 and the engagement hole R20. Further, a taper portion R13 is formed at the tip of the lock claw member R10, the taper portion R13 tilting from the rear left side to the front right side.

[Outline of Disc Player] In the disc player, each component is provided in a rectangular parallelepiped casing 1. A magazine insertion opening 1a is opened at the front edge of the casing 1. The thickness dimension of the magazine insertion opening 1a is set so that the disc magazine M in the opened state can be loaded.

A drive unit 2 for reproducing a disc D is supported on the upper portion on the back side of the casing 1 in a floating manner. A floating lock / release mechanism is provided close to the drive unit 2. By this function, the drive unit 2 is in a floating state when the disc D is in the reproducing mode and is in a floating lock state when the disc D is in the loading mode. Has become. Further, the drive unit 2 is provided with a turntable 2a on which the disc D can be placed. The turntable 2a is arranged so that the rotating shaft projects downward.

[Structure of Link Arm 5 and Opening Operation of Disc Magazine M] The link arm 5 is a means for opening the upper case C1. The link arm 5 is rotatably arranged on the side surface of the casing 1 so that the tip of the link arm 5 moves in the vertical direction around the support shaft 5a. The link arm 5 is tilted as shown in FIG. It is configured to rotate to the state. One end of a spring 5b is attached to the base end of the link arm 5, and its spring force is set so as to maintain the tilted state and the raised state. An open pin 5c is formed at the tip of the link arm 5 so as to project inward. The opening pin 5c is adapted to contact the taper portion R13 of the lock claw member R10 on the side of the disc magazine M.

The link arm 5 as described above performs the opening operation of the disc magazine M as follows. That is, when the disc magazine M is inserted into the magazine insertion opening 1a of the disc player, the taper portion R13 of the lock claw member R10 abuts the opening pin 5c of the link arm 5, and the engagement claw R12 and the engagement hole R20 are engaged with each other. To release. Then, as the disc magazine M is inserted, the link arm 5 rotates clockwise, and the opening pin 5c lifts the upper case C1.

[Structure of Magazine Guide 17 and Eject Guide 3 and Holding Operation of Disc Magazine M] The magazine guide 17 is inserted into the lower side of the upper case C1 opened by the inserting operation of the disc magazine M, and then the upper case C1. It is a resin-made regulation means that regulates the position of the. The magazine guide 17 is fixed to the left and right of the center of the bottom surface of the casing 1, and a taper portion 17a inclined upward is formed at the front side edge portion, and the upper edge portion holds the upper case C1. The part 17b is configured. A disc guide portion 17c is formed integrally with the lower portion of the magazine guide 17 so as to contact the disc D loaded from the disc magazine M and regulate its position.

The eject guide 3 is a holding / sliding means which is disposed in the center of the bottom surface of the casing 1 and is slidable in the insertion direction of the disc magazine M. Further, a taper portion 3a is formed on the front side of the eject guide 3 so as to incline from the back left side to the front right side. Further, a case holder 3b for holding the lower case C2 of the disc magazine M is provided at the center of the eject guide 3.

The magazine guide 17 and the eject guide 3 as described above hold the disc magazine M in the following manner. That is, when the disc magazine M is opened by the action of the link arm 5 described above, the case holding portion 3b of the eject guide 3 holds the lower case C2 of the disc magazine M. With the insertion of the disc magazine M, the eject guide 3 slides inward while holding the lower case C2. On the other hand, the upper case C1 lifted by the link arm 5 contacts the taper portion 17a of the magazine guide 17. The upper case C1 opens along the inclination of the taper portion 17a, and the insertion operation of the disc magazine M is completed when the upper case C1 is mounted on the case holding portion 17b.

[Structure of this Embodiment] The main constituent members of this embodiment are: the lock plate 7, the cylindrical cam 9 that is the control means of the lock plate 7, and the action from the cylindrical cam 9 transmitted to the lock plate 7. These are a release plate 10 and an L-shaped plate 8. All of these components are located on the bottom of casing 1.

The lock plate 7 is slidably arranged in a direction orthogonal to the insertion direction of the disc magazine M. Side portions projecting toward the front side are formed near the right and left ends of the lock plate 7, and a lock pin 7a projecting upward is provided at the tip portion thereof. A spring 7b is attached to the lock plate 7, and the lock plate 7 is biased to the right by the spring 7b.

The columnar cam 9 is rotatably arranged immediately behind the magazine insertion slot 1 a, and has three cam grooves 9 a on its surface so as to move up and down to the selection pin P of the disc holder H. Are formed (see FIGS. 6A and 6B). Of the three disc holders H in the disc magazine M, if the upper selection pin P1, the middle selection pin P2, and the lower selection pin P3 are selected, the selection pin P is provided in the upper cam groove 91a of the cam grooves 9a. 1, the middle cam groove 92a is engaged with the middle selection pin P2, and the lower cam groove 93a is engaged with the lower selection pin P3. Further, an engaging portion 9b that presses the release plate 10 inward is formed in the lower portion of the columnar cam 9.

The release plate 10 is arranged slidably in the insertion direction of the disc magazine M. The front end of the release plate 10 is engaged with the engaging portion 9b, and in the initial state, it is regulated to the rear side by the engaging portion 9b.

The L-shaped plate 8 is rotatably arranged around the support shaft 8 a, and the front end is at the left end of the lock plate 7 and the back end is at the back end of the release plate 10. Configured to engage with the section. When the release plate 10 is regulated to the rear side, the rear side end of the L-shaped plate 8 receives a force pushed to the rear side, and regulates the lock plate 7 to the left.

[Operation of this Embodiment] In the present invention having the above-mentioned structure, the disc magazine M is fixed as follows. That is, when the disc magazine M is inserted into the magazine insertion opening 1a, the lock pin 7a of the lock plate 7 is inserted into a portion of the engagement groove K extending in the insertion direction. Then, when the insertion operation of the disc magazine M is completed, the cylindrical cam 9 is operated by a drive motor (not shown), the engaging portion 9b of the cylindrical cam 9 is moved to the front side, and accordingly, the release plate 10 is also moved to the front side. Slide on. When the release plate 10 slides toward the front side, the L-shaped plate 8 rotates in the counterclockwise direction about the support shaft 8a. As a result, the lock plate 7 is no longer restricted by the L-shaped plate 8, and the lock plate 7 slides to the right due to the force of the spring 7b. The sliding of the lock plate 7 causes the lock pin 7a to enter the portion of the engagement groove K that is bent in the direction orthogonal to the magazine insertion direction, and the fixing operation is completed.

At the time when the fixing of the disc magazine M is completed, the cylindrical cam 9 is rotated to a position where the disc holder H holding the desired disc D becomes horizontal with the turntable 2a of the drive unit 2. , The selection pin P of the disc holder H is moved up and down. After that, appropriate pressing means presses the protrusion Q2 of the pushing arm Q toward the front side, the pushing arm Q rotates clockwise around the support shaft Q1, and the pushing portion Q3 is held by the disc holder H. Push D to the disc player side.

By thus engaging the lock pins 7a and the engagement grooves K at the two right and left positions, the disc magazine M can be fixed to the casing 1 side without tilting. Moreover, in this embodiment, the magazine M can be securely fixed only by inserting only the side edge portion on the insertion direction side of the disc magazine M, which can greatly contribute to downsizing of the disc player. Further, as described above, the disc magazine M is restricted by the eject guide 3 and the magazine guide 17 in the vertical direction. can do. Further, in this embodiment, since the columnar cam 9 for controlling the ascending / descending operation of the disc holder H is used as the control means of the lock plate 7, the drive means dedicated to the lock plate control means is not required, and the simplification of the structure is further advanced. You can

[Other Embodiments] In the above embodiments, only the insertion side edge of the magazine is inserted into the player side. However, even in the conventional type in which the entire magazine is inserted into the player side, the insertion side edge is fixed. Since the engaging pin on the player side is inserted into the magazine side at the time of the inserting operation, the locking operation by the lock plate may be linear, and the structure can be simplified.

[0031]

[Effect of device]

 As described above, according to the present invention, the lock plate slidable in the direction orthogonal to the insertion direction of the disc magazine, the plurality of engagement pins provided in the lock plate and engageable with the engagement grooves, With a simple structure including the lock plate control means for controlling the sliding of the lock plate, it is possible to provide a disc magazine fixing device for accurately and surely fixing the disc magazine to the disc player.

[Brief description of drawings]

FIG. 1 is a plan view of an embodiment of the present invention.

FIG. 2 is a plan view of this embodiment.

FIG. 3 is a right side view of the present embodiment.

FIG. 4 is a right side view of the present embodiment.

FIG. 5 is a plan view showing a part of the inside of a disc player adopting this embodiment and an internal structure of a disc magazine mounted on the disc player.

FIG. 6A is a side view of a cylindrical cam 9 of this embodiment,
(B) is the same development view

FIG. 7 is a left side view of this embodiment.

FIG. 8 is a left side view of this embodiment.

[Explanation of symbols]

 1 casing 1a magazine insertion slot 2 drive unit 2a turntable 3 eject guide 5 link arm 7 lock plate 8 L-shaped plate 9 cylindrical cam 10 release plate 17 magazine guide C1 upper case C2 lower case D disc M disc magazine R10 lock claw member R20 engagement Dowel

Claims (2)

[Scope of utility model registration request] 1. A substantially L-shaped engaging groove, which is capable of accommodating a plurality of discs and comprises a portion extending in the insertion direction and a portion bent in a direction orthogonal to the insertion direction, is formed at a side edge portion on the insertion direction side. A device for fixing a disc magazine, which is used for a disc magazine having a plurality of discs, wherein the disc magazine fixing device is provided in a disc player that selectively reproduces the discs in the magazine by inserting the disc magazines into the magazine insertion opening. A lock plate slidable in a direction orthogonal to the magazine insertion direction, a plurality of engagement pins provided in the lock plate and engageable with the engagement groove, and a lock plate control for controlling sliding of the lock plate And a disc magazine fixing device. 2. A plurality of disc holders for holding the discs in the disc magazine are provided so as to be capable of opening and closing in a fan shape around one rotation shaft, and the disc holders are arranged to project outward at a side edge portion of each disc holder. What is used for a disc magazine in which a pin is formed, comprising a rotatable columnar cam that has a cam groove that can be fitted to the selection pin, and that controls the opening / closing operation of the disc holder. The disc magazine fixing device according to claim 1, wherein the lock plate control means controls the lock plate control means.