JPH06267170A - Cartridge loader - Google Patents

Abstract

PURPOSE:To load and eject a cartridge without damaging a groove, etc., of the cartridge by improving the inserting feeling and the taking-out feeling at the time of loading and ejecting the cartridge. CONSTITUTION:The cartridge 1 is held and moved horizontally by a clamp arm 21 supported by a slider plate 20, and is moved vertically and transferred from an inserting position to a loading position by a holder 10. At the time of ejecting the cartridge, a lever 25 is fitted into a hole part of a shutter 2 until the midst of horizontal motion so as to close the shutter, and when the slider plate 20 is brought into contact with the lever 25, the lever 25 and the hole part are disengaged from each other to transfer the cartridge to the inserting position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a front loading type cartridge loading device such as a mini disc player.

[0002]

2. Description of the Related Art First, a mini disk cartridge (hereinafter referred to as a cartridge) will be briefly described. 7 is an exploded perspective view of the cartridge 1, FIG. 8 is a plan view, FIG. 9 is a side view of the shutter 2 in an open state, and FIG. 10 is a side view of the shutter 2 in a closed state. 1 indicates the entire cartridge,
2 is a shutter slidably mounted in the groove 1a of the cartridge 1, 2a is a hole used when closing the shutter 2, 3 is a shutter lock for locking the shutter at the closed position, 4 is a signal A magneto-optical disk which is recorded or can be recorded, 5 is an upper shell, 6 is a lower shell, and 6a is a clamp portion of the cartridge 1.

Next, FIG. 11 is a plan view showing a conventional cartridge loading device, and FIG. 12 is a side view thereof. 1
0 is a cartridge holder (hereinafter referred to as a holder) that holds the cartridge 1 and reciprocates between the insertion position and the mounting position; 10a is a bent portion that is inserted into the groove 1a of the cartridge 1 to unlock the shutter lock 3 and open the shutter 2; 10b is a guide pin planted on the side surface of the holder 10, 11 is a clamp spring that holds the clamp portion 6a of the cartridge 1 on the holder 10, and 12 is rotatably provided on a support shaft 10c of the holder 10. A trigger lever that ejects the cartridge 1 held in the holder 10 when it reaches the insertion position, 12a is a pin that pushes out the cartridge, 12b is a pin that restricts the rotation of the trigger lever 12, and 13 is the arrow L of the trigger lever 12.
Is a spring that urges in the direction of.

A leaf spring 14 is attached to the holder 10 and is fitted in the hole 2a of the shutter 2 of the cartridge 1 to relatively close the shutter 2 when the cartridge 1 is ejected by the rotation of the trigger lever 12. Is a deck base provided with a turntable (not shown) having a guide groove 15a for guiding the guide pin 10b of the holder 10, 16 is a spring for fixing the cartridge 1 to the deck base 15 via the holder 10, and 17 is a holder 1
A rack plate for holding and carrying the 0 guide pin 10b, 18 is a frame for guiding the rack plate 17, supporting the deck base 15 and restricting the rotation of the trigger lever 12, and 19 is freely rotatable on the frame 18. It is a synchronous gear that is provided on the rack plate 17 and transmits power to the rack plate 17.

Next, the operation will be described. First, in the loading operation, when the cartridge 1 is inserted into the holder 10, the bent portion 10a is inserted into the groove 1a. Next, when the cartridge 1 comes into contact with the pin 12a of the trigger lever 12 and further pushes against the spring 13, the bent portion 10a slides into contact with the shutter lock 3 to unlock the shutter 2, and further comes into contact with the shutter 2. Open shutter 2 relatively.

Next, as shown in FIGS. 13 and 14, when the cartridge 1 is inserted into the holder 10, the pin 12a of the trigger lever 12 is positioned inside the frame 18, and the holder 10 is pushed in the direction of arrow F. To enable.

Further, when the cartridge 1 is pushed in, a start switch (not shown) shifts from ON to OFF and a drive system (not shown) operates to rotate the synchronous gear 19 in the direction of arrow G. The rotation of the synchronous gear 19 causes the rack plate 17 to move in the direction of the arrow F to move the guide pin 10b of the holder 10 along the guide groove 15a of the deck base 15 to change the movement in the vertical direction, and at the same time, the spring 16 causes the deck to move. The holder 10 is fixed to the base 15 and the cartridge 1 is mounted. After that, a loading completion switch (not shown) is turned on to stop the operation of the drive system.
(See Figures 15 and 16)

Next, in the eject operation, when an eject command is detected, a drive system (not shown) operates to rotate the synchronous gear 19 in the direction opposite to the arrow G to move the rack plate 1
7 is operated in the direction opposite to arrow F. Accordingly, the guide pin 10b of the holder 10 is moved from the vertical direction to the horizontal direction along the guide groove 15a of the deck base 15 against the spring 16, and when the pin 12b of the trigger lever 12 is out of the regulation of the frame 18, the spring is moved. The cartridge 1 is rotated by the urging force of the cartridge 13, and the cartridge 1 is ejected from the holder 10 against the clamping force of the clamp spring 11.

At the same time, the eject completion switch is turned on.
N to stop the operation of the drive system. The hole 2 of the shutter 2 when ejecting the cartridge 1 from the holder 10
Since the leaf spring 14 is fitted in a, the shutter 2 is relatively closed. After that, when the cartridge 1 is taken out, the leaf spring 14 comes into contact with the cartridge 1.

[0010]

Since the conventional cartridge loading device is constructed as described above, when the cartridge 1 is inserted into or removed from the holder 10, the leaf spring 14 is inserted.
Must be in constant contact with the cartridge 1, and the feeling of insertion and removal is poor, and the portion other than the hole of the shutter 2 is scratched during insertion, and the groove of the cartridge 1 is mistakenly There is a problem that the leaf spring 14 is inserted and the leaf spring 14 is deformed.

The present invention has been made in order to solve the above-mentioned problems, and improves the feeling of insertion and the feeling of removal when the cartridge is attached and detached, so that the cartridge can be attached and detached without damaging the groove or the like of the cartridge. An object of the present invention is to provide a cartridge loading device.

As a reference prior art document, there is a "shutter opening / closing device in a disk drive device" described in Japanese Utility Model Publication No. 4-76639. In this invention, the shutter closing member is configured by a leaf spring including a first surface portion formed of a flat surface perpendicular to the side surface of the holder and a second surface portion formed of a flat surface parallel to the side surface of the holder. The end part on the side is fixed to the holder, and the end part on the side of the second surface part of the leaf spring is formed with a restricting part for restricting the retreat of the shutter. The two surface parts move in two directions to absorb backlash, and The accuracy is good and the reliability is improved.

[0013]

A cartridge loading device according to the present invention comprises a cartridge and a lever for opening and closing a shutter of the cartridge before the cartridge reaches the insertion / removal position when the cartridge moves from the mounting position to the insertion / removal position. The opening / closing means for releasing the contact is provided.

Further, a cartridge holder having a shutter which is moved from the closed position to the open position by moving in the direction opposite to the cartridge insertion direction is moved, and the cartridge holder is moved between the insertion / removal position and the mounting position. It is provided with a plate slidably attached to the holder, a lever rotatably attached to the cartridge holder, and a spring for urging the lever in the direction of abutting the shutter.

[0015]

In the cartridge loading device according to the present invention, before the cartridge reaches the insertion / removal position, the contact between the cartridge and the lever for opening / closing the shutter of the cartridge is released, so that a feeling of insertion and a feeling of removal when the cartridge is attached / detached. Make it good and do not damage the groove of the cartridge.

Further, the lever, which is engaged with the hole of the shutter by the urging force of the spring at the cartridge mounting position, moves the shutter from the open position to the closed position while moving from the cartridge mounting position to the insertion / removal position. Then, when the shutter reaches the closed position, the plate comes into contact with the lever, the engagement between the hole of the shutter and the lever is released, the contact between the lever and the cartridge is released, and the cartridge is ejected to the insertion / removal position.

[0017]

【Example】

Example 1. An embodiment of the present invention will be described below. 1 and 2 are a plan view and a side view of a cartridge loading device showing an embodiment of the present invention, and FIGS.
The same or corresponding parts are denoted by the same reference numerals and the description thereof will be omitted. The description of the cartridge is also omitted.

Reference numeral 20 is a slider plate slidably mounted in the guide groove 10d of the holder 10, 20a is a pin for abutting and pushing the cartridge 1 mounted on the slider plate 20, and 21 is a slider plate 2
A clamp arm that is cantilevered by 0 and uses elasticity to fix the clamp portion 6a of the cartridge 1 to the slider plate 20, and 22 is an ejector lever that is rotatably provided around the pin 10e of the holder 10 as a spindle. The portion is loosely fitted to the pin 20b of the slider plate 20.

Similar to the ejector lever 22, 23 is a link lever that is rotatably provided around the pin 10e as a spindle, and has a cam groove 23a at one end and is loosely fitted to the pin 17a of the rack plate 17. A spring 24 is interposed between the ejector lever 22 and the link lever 23. Reference numeral 25 denotes a lever rotatably provided around a pin 10f of the holder 10 as a support shaft, which is biased inward of the holder 10 by a spring 26 and has a pin 2 at the tip thereof.
5a is planted. A loading start switch 27 is fixed to the frame 18.

The operation of the cartridge loading device thus configured will be described. First, the loading operation will be described. Holder 10 for cartridge 1
When it is inserted into, the clamp arm 21 comes into contact with it, and when it is further inserted in the direction of arrow A against its elasticity, it comes into contact with the pin 20a of the slider plate 20. At that time, the clamp arm 21 is fitted to the clamp portion 6a of the cartridge 1 and is held by the slider plate 20.

When the cartridge 1 is inserted further into the back, the slider plate 20 moves in the direction of arrow A, and at the same time, the ejector lever 22 is rotated against the bias of the spring 24 via the pin 20b. Along with that, when the loading start switch 27 is turned from ON to OFF, a drive system (not shown) operates to rotate the synchronous gear 19 in the direction of arrow B, and the rack plate 17 in the opposite direction of arrow A. . The operation of the rack plate 17 causes the pin 17a to rotate the link lever 23 in the direction of arrow C via the cam groove 23a, and the ejector lever 22 to rotate in the same direction via the spring 24.

When the ejector lever 22 rotates, the slider plate 20 moves horizontally with the cartridge 1 in the direction of arrow A, and the bent portion 10a of the holder 10 is inserted into the groove 1a.
Is inserted into contact with the shutter 2. Along with that, the end surface 20c of the slider plate 20 and the pin 25 of the lever 25
The contact of a is disengaged, the lever 25 is rotated by the spring 26 in the direction opposite to the arrow D, and is fitted into the hole 2a of the shutter 2.

Thereafter, the shutter 2 is opened by the movement of the cartridge 1 in the direction of the arrow A, the cartridge 1 reaches the back of the holder 10, and the guide groove 1 of the rack plate 17 is reached.
7b and the guide groove 15a of the deck base 15 vertically move the holder 10, and the spring 16 fixes the cartridge 1 to the deck base 15 via the holder 10. After that, the loading completion switch is turned on to stop the operation of the drive system. (State of FIG. 3, FIG. 4)

Next, the eject operation will be described. When an eject command is detected, a drive system (not shown) operates to rotate the synchronous gear 19 in the direction opposite to the arrow B and the rack plate 17 in the direction of arrow A. Along with this, the guide pin 10b of the holder 10 is moved vertically against the spring 16 along the guide groove 15a of the deck base 15 and the guide groove 17b of the rack plate 17.

Next, when the pin 17a comes into contact with the cam groove 23a, the link lever 23 rotates in the direction opposite to the arrow C, and the ejector lever 22 rotates in the same direction via the spring 24. Then, the cartridge 1 held by the slider plate 20 via the pin 20b integrally moves horizontally in the direction opposite to the arrow A.

At this time, the lever 25 is fitted into the hole 2a of the shutter 2 by the spring 26, and the cartridge 1
The shutter 2 is relatively closed by the horizontal operation of.
Simultaneously with or after the shutter 2 is closed, the end surface 20c of the slider plate 20 is fixed to the pin 25
a in contact with a and rotate in the direction of arrow D
The fitting from a is removed. (State of FIG. 5 and FIG. 6)

Next, the cartridge 1 is conveyed to the insertion position together with the slider plate 20, and the ejection completion switch (not shown) is turned on to stop the drive system. Clamp arm 2 which has elasticity for taking out cartridge 1
Since there is no member that comes in contact with the hole 2a of the shutter 2 and is removed against the urging force of No. 1, it is possible to take out smoothly.
(State of FIG. 1, FIG. 2)

As described above, according to the present invention, the cartridge holder 10, the deck base 15, and the rack plate 1 are provided.
7, a cartridge moving means including a synchronous gear 19, an ejector lever 22, a link lever 23 and the like, and an opening and closing means for opening and closing the shutter 2 including a clamp arm 21, a lever 25 and a spring 26 are provided. When 1 moves from the mounting position to the insertion / removal position, the contact between the cartridge 1 and the lever 25 is released before reaching the insertion / removal position.

[0029]

As described above, according to the present invention, the opening / closing means for releasing the contact between the cartridge and the lever for opening / closing the shutter of the cartridge is provided before the cartridge reaches the insertion / removal position. This has the effects of improving the feeling of insertion and removal when the cartridge is attached and detached, and not damaging the groove of the cartridge.

[Brief description of drawings]

FIG. 1 is a plan view of a cartridge loading device showing a state of a cartridge insertion position in an embodiment of the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a plan view of the cartridge loading device showing the state of the cartridge mounting position in the embodiment of the present invention.

FIG. 4 is a side view of FIG.

FIG. 5 is a plan view of the cartridge loading device showing a state in which the slider plate and the lever are in a contact position in one embodiment of the present invention.

FIG. 6 is a side view of FIG.

FIG. 7 is an exploded perspective view of a mini disk cartridge.

FIG. 8 is a plan view of a mini disk cartridge.

FIG. 9 is a side view of the mini disk cartridge with the shutter open.

FIG. 10 is a side view of the mini disk cartridge with the shutter closed.

FIG. 11 is a plan view of a cartridge loading device showing a state of a conventional cartridge insertion position.

FIG. 12 is a side view of FIG. 11.

FIG. 13 is a plan view showing a conventional cartridge holder mounted state.

FIG. 14 is a side view of FIG.

FIG. 15 is a plan view of a cartridge loading device showing a state of a conventional cartridge mounting position.

16 is a side view of FIG.

[Explanation of symbols]

 1 cartridge 1a groove 2 shutter 2a hole 3 shutter lock 4 magneto-optical disk 5 upper shell 6 lower shell 6a clamp part 10 cartridge holder 10a bent part 10b guide pin 10c support shaft 10d guide groove 10e pin 10f pin 11 clamp spring 12 trigger lever 12a Pin 12b Pin 13 Spring 14 Leaf spring 15 Deck base 15a Guide groove 16 Spring 17 Rack plate 17a Pin 17b Guide groove 18 Frame 19 Synchronous gear 20 Slider plate 20a Pin 20b Pin 20c End face 21 Clamp arm 22 Ejector lever 23 Link lever 23a Cam groove 24 spring 25 lever 25a pin 26 spring 27 loading start switch

Claims (2)

[Claims] 1. A cartridge moving unit that inserts a cartridge having a shutter that moves from a closed position to an open position by moving in a direction opposite to the cartridge insertion direction, and moves the cartridge between an insertion / removal position and a mounting position. In a cartridge loading device having an opening / closing means for opening / closing the shutter with a lever interlocking with the moving means during movement between the mounting position and the inserting / removing position of the cartridge, A cartridge loading device comprising means for releasing contact between the cartridge and the lever before reaching the insertion / removal position when moving to the insertion / removal position. 2. A cartridge holder having a shutter that is moved from a closed position to an open position by moving in a direction opposite to the cartridge insertion direction, and the cartridge holder moves between an insertion / removal position and a mounting position. A plate slidably attached to the holder,
A lever rotatably attached to the cartridge holder, and a spring for urging the lever in a direction of abutting the shutter, and a hole portion of the shutter by the urging force of the spring at the cartridge mounting position. The lever in the fitted state moves the shutter from the open position to the closed position during the movement from the mounting position of the cartridge to the insertion / removal position, and when the shutter reaches the closed position, the plate contacts the lever. , While releasing the engagement between the hole of the shutter and the lever to release the contact between the lever and the cartridge,
A cartridge loading device, characterized in that the cartridge is ejected to an insertion / removal position.