JPH02297753A - Disk driving device - Google Patents

Abstract

PURPOSE:To dispense with a requirement to make a power unit into a large scale and to reduce a cost by providing a dust-proof door whose opening/closing is freely operated at a cartridge insertion opening, and opening and closing the dust-proof door by interlocking with the ejecting operation of the cartridge by a loading mechanism. CONSTITUTION:The device is equipped with the dust-proof doors 7a and 7b freely opened and closed provided at the cartridge insertion opening 6, and an opening/closing means to open and close the dust-proof doors 7a and 7b by interlocking the ejecting operation of the cartridge by the loading mechanism 14. Therefore, the dust-proof doors 7a and 7b can be opened and closed by interlocking with the ejecting operation of the cartridge by the loading mechanism 14. Thereby, since it is possible to easily open and close the dust-proof doors with simple constitution and it is not required to make the power unit into the large scale by increasing power consumption as a conventioned opening/ closing mechanism by a solenoid, the cost can be reduced.

Description

Detailed Description of the Invention [Objective of the Invention] (Industrial Application Field) The present invention provides a method for inserting and ejecting a cartridge containing a disk recording medium such as an optical disk through a cartridge insertion opening. The present invention relates to a disk drive device that performs recording and reproduction of information by pulling in the disk drive device.

(Prior Art) In recent years, optical disks, which have a high recording density, a large capacity, and are excellent in random access, have been widely used as recording media for information recording and reproducing devices and the like.

Furthermore, with the increase in data capacity in fields such as computers and office equipment (OA equipment), memory with a large capacity is required for storage and utilization of that data.

Under these circumstances, FD (FD), which currently occupies the mainstream of memory,
Optical disks with a capacity equivalent to 500 to 1000 floppy disks are becoming widely used.

The disk drive device that drives this optical disk is generally equipped with a dust-proof door to prevent dust from entering the optical system such as the optical pickup head from the cartridge insertion slot.
A cartridge containing an optical disk is drawn through the dustproof door by a loading mechanism. When the cartridge is removed from the disk drive, the loading mechanism is driven again, the dustproof door is opened, and the cartridge is ejected from the cartridge insertion slot.

(Problems to be Solved by the Invention) By the way, the above-described conventional disc drive device for reproducing the optical disc has the following problems.

(a) The opening/closing operation of the dust-proof door installed inside the cartridge insertion slot is generally performed using the suction force of a solenoid, so the power consumption increases while the solenoid is operating, making the power supply larger and larger. It is necessary to do so, which increases the cost.

(b) In a disk drive device that uses a cartridge containing a small-diameter optical disk, the cartridge is also small accordingly, so when the inserted cartridge is ejected from the loading mechanism, only a small amount of the leading end of the cartridge is ejected from the cartridge insertion slot. It is not easy to take it out by hand.

(C) When ejecting a cartridge containing an optical disk from the disk drive, if the drive motor that operates the driving force transmission system of the loading mechanism has stopped due to a power outage, etc., the cartridge cannot be ejected. There wasn't.

The present invention has been made for the purpose of solving the above-mentioned problems, and it is possible to open and close the dustproof door with a simple structure and at low cost, and to eject the cartridge further outside than the ejection by the loading mechanism. The present invention aims to provide a disk drive device in which a cartridge can be arbitrarily ejected by opening a transmission system.

[Structure of the Invention] (Means for Solving the Problems) In order to solve the above-mentioned problems, the first invention has a loading mechanism for inserting/ejecting a cartridge containing a disk recording medium, In a disk drive device that records and reproduces information by drawing the cartridge from a cartridge insertion port by a mechanism, a dustproof door that can be opened and closed provided in the cartridge insertion port, and a dustproof door that is connected to the cartridge ejection operation by the loading mechanism. It is characterized by having an opening/closing means for opening and closing the door.

Further, the second aspect of the present invention has a loading mechanism for inserting/ejecting a cartridge containing a disc recording medium, and the loading mechanism inserts and ejects the cartridge.
A disk drive device that records and reproduces information by drawing a cartridge in from the cartridge insertion port, further comprising an ejection means that suppresses and ejects the cartridge outside the cartridge insertion port in conjunction with a cartridge ejection operation by the loading mechanism. It is characterized by

Further, in the third aspect of the present invention, there is provided a loading mechanism for inserting/extracting a cartridge containing a disk recording medium, and this loading mechanism also inserts and removes the cartridge.
A disk drive device that records and reproduces information by drawing a cartridge through an insertion slot includes a driving force transmission system configured by meshing a plurality of gears that transmits driving force to the loading mechanism, and a driving force transmission system configured by meshing gears of the driving force transmission system. The present invention is characterized in that it includes an opening means that releases the engagement and interrupts the transmission of driving force to the loading mechanism, and an urging means that applies an urging force to the loading mechanism toward the cartridge insertion side.

(Function) According to the first aspect of the invention, due to the structure that opens and closes the dustproof layer in conjunction with the cartridge ejection operation of the loading mechanism,
The dustproof layer can be easily opened and closed with a simple configuration.

Further, according to the second aspect of the present invention, the cartridge can be ejected further out of the cartridge insertion opening than by the loading mechanism, and the cartridge can be easily removed.

Further, according to the third aspect of the invention, the meshing of the gears forming the driving force transmission system of the loading mechanism can be released and discharged.

(Example) Hereinafter, the present invention will be explained in detail based on the illustrated example.

FIG. 1 is a perspective view showing a disk drive device according to a first embodiment of the present invention, and FIG. 2 is an exploded perspective view showing the same disk drive device. As shown in these figures, this disk drive device 1 is composed of a front panel 2 and a main body 3.

The front panel 2 is formed with a cartridge insertion slot 6 into which a cartridge 5 containing an optical disc 4 is inserted, and furthermore, dustproof layers 7a and 7b are provided inside the slot to prevent dust from entering. (see Figure, Figure 3). dustproof layer 7a,
7b is rotatably attached to the rotating shafts 8a and 8b, respectively, and when closed, the dustproof layers 7a and 7b
The tips of the two are in close contact. Door opening/closing springs 9a, 9b are attached to one end of the rotating shafts 8a, 8b so that a force that always closes the cartridge insertion port 6 is applied to the dustproof layers 7a, 7b.
is attached. Furthermore, pinions 11a and 1lb are respectively disposed at the tips of the rotating shafts 8a and 8b, and mesh with a door opening/closing rack 10 disposed within the front panel 2 so as to be movable up and down. A protruding piece 10a is integrally formed at the bottom of the door opening/closing rack 10, and an L-shaped door opening/closing lever 13 rotatably supported on a rotating shaft 12 is mounted at the lower end of the protruding piece 10a. When the lower part 13a is brought into contact and the door opening/closing rack 10 is moved up and down by the rotation of the door opening/closing lever 13, the dustproof layers 7a, 7b are opened and closed along with the rotation of the pinions 11a, 41b (details will be described later).

As shown in FIG. 2, a loading mechanism 14 is disposed inside the main body 3 to insert the cartridge 5 and mount it in a predetermined position, and to eject the inserted cartridge 5 out of the cartridge insertion opening 6. ing. Loading mechanism 14
includes a base 15, a cartridge holder 16, a guide plate 17, a drive motor 18, a driving force transmission system 19, and a fixing plate 20, and the cartridge 5 is inserted into the cartridge holder 16 and the guide plate 17. be done. A fixing plate 20 having L-shaped elongated holes 20a, 20b and linear elongated holes 20c, 20d formed in the front and rear, respectively, is fixed to both sides of the base 15 with screws 21a, 21b. A cam lever 23 having a cam portion 23a rotatably supported by the rotating shaft 22 is disposed on one side of the rotating shaft 22 (see FIG. 4). The cam lever 23 has its tip 23b engaged with the side surface of the upper part 13b of the door opening/closing lever 13 (the right side when viewed from the inside of the front panel 2).
A spring 24 attached to the rear portion 23c applies an urging force to rotate the drawing to the right with respect to the plane of the paper. Further, a drive motor 18 and a worm gear 28 are provided at the front of the base 15.
, first gear 25, second gear 26, third gear 39, fourth gear 27, fifth gear 2531, sixth gear 26a1, seventh gear 3
A driving force transmission system 19 having a drive force transmission system 9a (fifth
(see figure). The first gear 25 and the third gear 39 are arranged coaxially, and the first gear 25, the second gear 26, and the third gear 39 each have a fifth gear 25 with a small diameter coaxially arranged thereon.
The a1 sixth gear 26a1 and the seventh gear 27a are fixed together. The worm gear 28 and the first gear 25, the fifth @ wheel 25a and the second gear 26, the third gear 39 and the sixth gear 26a, and the seventh gear 39a and the fourth gear 27 are meshed with each other, and are driven. When the worm gear 28 is rotated by the drive of the motor 18, the first gear 25 and the fifth gear 25
The fourth gear 27 rotates via the second gear a1, the sixth gear 26a1, the third gear 39, and the seventh gear 39a. The fourth gear 27 includes a gear portion 27c that meshes with the seventh gear 39a,
A protruding piece 27b having an elongated length 27a is formed inside.

The cartridge holder 16 is provided with holder pins 29a and 29b at the front and rear of both sides thereof, respectively. Also,
The guide plate 17 has oblique grooves 17 at the front and rear of both sides thereof.
a, 17b are formed, and the regulating pins 30a,
30b is provided, and furthermore, a door opening/closing pin 3 is provided at the front part.
1 and a moving pin 32 are provided.

and the holder pin 29a of the cartridge holder 16,
29b is the oblique groove 17a of the guide plate 17.

The regulation pins 30a, 30b are engaged with the L expansion holes 20a, 20b of the fixing plate 20 through the fixing plate 20.
Further, the door opening/closing pin 31 is slidably engaged with the cam portion 23a of the cam lever 23, and the moving pin 32 is engaged with the elongated hole 2 of the fourth gear 27.
7a, and by driving the drive motor 18,
The cartridge holder 16 and the guide plate 17 move up and down and back and forth via the driving force transmission system 19 (details will be described later).

In this way, in this embodiment, the door opening/closing lever 10, the door opening/closing lever 13, the cam lever 23, the spring 24, the door opening/closing pin 3, etc.
1 constitutes an opening/closing means for opening and closing the dustproof doors 7a, 7b.

33 is a motor that rotates the optical disk 4 in the cartridge 5 to be mounted, and 34 is a switch that drives the drive motor 18 when the cartridge 5 is ejected. Although not shown in the figure, components such as an optical pickup head, its drive system, and a control system are disposed at the rear of the base 15.

Next, the operation of the disk drive device 1 according to the embodiment described above will be explained.

(a) Inserting the cartridge 5 Insert the cartridge 5 containing the optical disk 4 into the cartridge insertion slot 6, and insert the tip of the cartridge 5 into the dustproof door 7a.
, 7b are housed in the cartridge holder 16 while being pushed open. When the detection means (not shown) detects that the cartridge 5 is housed in the cartridge holder 16, a drive signal is output to the drive motor 18, and the drive motor 18 is driven to rotate. The motor shaft 18 is driven by the drive motor 18.
When the worm gear 28 of a rotates, the meshing first
Gear 25, 5th gear 2581 2nd gear 26, 6th gear 2
6a1 3rd gear 39, 7th gear 39 a s 4th gear 2
7 rotates. The fourth gear 2 is driven by the drive motor 18.
7 rotates (clockwise), the elongated hole 27a of the fourth gear 27
The moving pin 32 that is engaged with the moving pin 32 moves within the elongated hole 27a, and accordingly the guide plate 17 moves between the regulating pins 30a and 30b.
The linear elongated holes 20e, 20 of the fixing plate 20 are engaged with
d, the cartridge horizontally moves rearward (in the direction opposite to the cartridge insertion port 6) while its movement is restricted.

On the other hand, in the cartridge holder 16, the holder pins 29a and 29b provided on the side surface are connected to the oblique grooves 17a and 17 of the guide plate 17.
Since the holder pins 29a and 29b are engaged with the L expansion holes 20a and 20b of the fixed plate 20 through b', as the guide plate 17 moves backward, the holder pins 29a and 29b move horizontally while being restricted from moving downward. Groove portion 20 of L expansion hole 20a, 20b
e, it stops when it enters 2Or. At this time, information board 1
7 is moving from position A to position B (see Figure 4),
When this position is reached, a stop signal is output from the detection means (not shown) to the drive motor 18, and the drive of the drive motor 18 is stopped. At this position, the optical disc 4 is connected to the motor 3.
3 and becomes ready for recording and playback.

(b) By pressing the ejection switch 34 of the cartridge 5, a drive signal is output to the drive motor 18, and the drive motor 18 is driven to rotate in the opposite direction to that at the time of insertion, and accordingly, the double gear 28 of the motor shaft 18a
The first gear 25, the fifth gear 25a1, the second gear 26, the sixth gear 26a, the third gear 39, and the seventh gear 39 mesh with each other.
a, the fourth gear 27 also rotates in the opposite direction to that at the time of insertion. Drive motor 1
When the fourth gear 27 rotates (rotates to the left) due to the drive of 8,
The moving pin 3 engaged with the elongated hole 27a of the fourth gear 27
2 moves within the elongated hole 27a, and along with this, the guide plate 17 moves against the fixed plate 20, which is engaged with the regulating pins 30a and 30b.
The cartridge horizontally moves forward (in the direction of the cartridge insertion slot 6) while its movement is restricted by the linear elongated holes 20c and 20d. At this time, the door opening/closing pin 31 that is in contact with the cam portion 23a of the cam lever 23 also moves forward while sliding with the cam portion 23a, and as a result, the cam lever 23 resists the spring force of the spring 24 and rotates. It rotates to the left around the shaft 22. The cam lever 23 rotates to the left as much as possible when the guide plate 17 moves from position B to position C (see FIG. 4). When the cam lever 23 rotates to the left, the tip 23b engaged with the right side of the side surface of the upper part 13b of the door opening/closing lever 13 rotates the door opening/closing lever 13 to the left (see FIG. 3). When the door opening/closing lever 13 rotates to the left, the lower part 13a of the door opening/closing lever 13, which is engaged with the protruding piece 10a of the door opening/closing rack 10, lifts the door opening/closing rack 10 upward, and accordingly engages. The pinions 11a and 1 lb rotate, and the door opening/closing spring 9a,
The dustproof layers 7a and 7b, which rotate together with the rotating shafts 8a and 8b against the spring force of the spring 9b, are opened inward.

On the other hand, the cartridge holder 16 is located in front of the guide plate 17 (
The holder pins 29a, 29b move upward as the cartridge moves horizontally toward the cartridge insertion side), and the holder pins 29a, 29b are inserted into the L-expanded holes 20a, 2.
It comes out of the grooves 20e and 2Or of 0b and is in a state where it can move forward. Then, when the guide plate 17 moves horizontally further forward from the position C, the cartridge holder 16 also moves into the oblique groove 17a.
, 171>, the holder pin 29a is engaged with the holder pin 29a,
29b horizontally moves forward (cartridge insertion side), and as a result, the leading end of the cartridge 5 stored between the cartridge holder 16 and the guide plate 17 passes between the open dustproof layers 7a and 7b and is inserted into the cartridge. Exit from mouth 6.

At this time, the guide plate 17 reaches the position A, and at this position, the drive motor 18 is stopped by a stop signal from the detection means (not shown), and the cartridge holder 16 and the guide plate 17 are stopped.
stops, and the cam lever 23 returns to its original position by the spring force of the spring 24, and the cartridge 5 is moved by the door opening/closing spring 9a,
The spring force of 9b puts it in a state where it is sandwiched between dustproof layers 7a and 7b.

Then, by manually pulling out the distal end of the cartridge 5 protruding from the cartridge insertion slot 6, the dustproof layer 7 is removed.
a and 7b are closed by the spring force of door opening/closing springs 9a and 9b.

In this way, in this disk drive device 1, when the cartridge 5 is ejected, the cam lever 23 is moved in conjunction with the horizontal movement of the cartridge holder 16 and the guide plate 17 that constitute the loading mechanism 14, and the door opening/closing pin 31 provided on the guide plate 17 is moved.
By moving and rotating the door in sliding contact, the engaged door opening/closing lever 13 is rotated and the door opening/closing rack 10 is rotated.
The dustproof layers 7a and 7b can be opened by moving the dustproof layers 7a and 7b.

FIG. 6 is an exploded perspective view showing a disk drive device according to a second embodiment of the present invention. As shown in FIGS. 1 and 6, this disk drive device 1 is composed of a front panel 2 and a main body 3. As shown in FIG.

The front panel 2 is formed with a cartridge insertion slot 6 into which a cartridge 5 containing an optical disc 4 is inserted, and furthermore, dustproof layers 7a and 7b are provided inside the slot to prevent dust from entering. (see Figure 6). dustproof layer 7a,
7b is rotatably attached to the rotating shafts 8a and 8b, respectively, and when closed, the dustproof layers 7a and 7b
The tips of the two are in close contact. Door opening/closing springs 9a, 9b are attached to one end of the rotating shafts 8a, 8b so that a force that always closes the cartridge insertion port 6 is applied to the dustproof layers 7a, 7b.
is attached. Furthermore, pinions 11a and 1lb are respectively disposed at the tips of the rotating shafts 8a and 8b, and mesh with a door opening/closing rack 10 disposed within the front panel 2 so as to be movable up and down. A protruding piece 10a is integrally formed at the bottom of the door opening/closing rack 10, and an L-shaped door opening/closing lever 13 rotatably supported on a rotating shaft 12 is mounted at the lower end of the protruding piece 10a. The lower part 13a is brought into contact and the door opening/closing rack 10 is moved up and down by the rotation of the door opening/closing lever 13, thereby opening and closing the dustproof doors 7a and 7b as the pinions lla and 11b rotate (details will be described later).

As shown in FIG. 6, a loading mechanism 14 is disposed inside the main body 3 for inserting and mounting the cartridge 5 in a predetermined position, and for ejecting the inserted cartridge 5 out of the cartridge insertion opening 6. ing. Loading mechanism 14
includes a base 15, a cartridge holder 16, a guide plate 17, a drive motor 18, a driving force transmission system 19, and a fixing plate 20, and the cartridge 5 is inserted into the cartridge holder 16 and the guide plate 17. be done. A fixing plate 20 having L expansion holes 20a, 20b and linear elongated holes 20c, 20d formed in the front and rear, respectively, is fixed to both sides of the base 15 with screws 21a, 21b. A cam lever 23 having a cam portion 23a rotatably supported by the rotating shaft 22 is disposed on one side of the rotating shaft 22 (see FIG. 4). The tip 23b of the cam lever 23 engages with the side surface (the right side when viewed from the inside of the front panel 2) of the upper part 13b of the door opening/closing lever 1'3.
A biasing force is applied to b by a spring 24 attached to the rear part 23c to rotate it to the right with respect to the paper surface. Further, a drive motor 18 and a worm gear 2 are mounted on the front part of the base 15.
8, first gear 25, second gear 26, three third gears, fourth gear
A driving force transmission system 19 including a gear 27, a fifth gear 25a, a sixth gear 26a, and a seventh gear 39a is provided (see FIG. 5). The first gear 25 and the third gear 39 are disposed coaxially, and the first gear 25, the second gear 26, and the third gear 39 each have a fifth gear 25 with a small diameter coaxially disposed.
The a1 sixth gear 26a1 and the seventh gear 27a are fixed together. The worm gear 28 and the first gear 25, the fifth gear 25a and the second gear 26, the third gear 39 and the sixth gear 26a, and the seventh gear 39a and the fourth gear 27 are engaged with each other. When the worm gear 28 is rotated by driving, the first gear 25 and the fifth gear 25
a, the fourth gear 27 rotates via the second gear 26, the sixth gear 26a1, the third gear 39, and the seventh gear 39a. The fourth gear 27 includes a gear portion 27c that meshes with the seventh gear 39a,
A protruding piece 27b having an elongated hole 27a inside is formed. Furthermore, a square hole 20g is formed in one side of the rear end of the fixing plate 20 (the left side when viewed from the cartridge insertion side), into which a locking claw 41a of a discharge mechanism 40, which will be described later, engages.

The cartridge holder 16 is provided with holder pins 29a and 29b at the front and rear of both sides thereof, respectively. Also,
The guide plate 17 has oblique grooves 17 at the front and rear of both sides thereof.
a, 17b are formed, and the regulating pins 30a,
30b is provided, and furthermore, a door opening/closing pin 3 is provided at the front part.
1 and a moving pin 32 are provided.

and the holder pin 29a of the cartridge holder 16,
29b is the oblique groove 17a of the guide plate 17.

The regulation pins 30a, 30b are engaged with the L expansion holes 20a, 20b of the fixing plate 20 through the fixing plate 20.
Further, the door opening/closing pin 31 is slidably engaged with the cam portion 23a of the cam lever 23, and the moving pin 32 is engaged with the elongated hole 2 of the fourth gear 27.
7a, and by driving the drive motor 18,
The cartridge holder 16 and the guide plate 17 move up and down and back and forth via the driving force transmission system 19 (details will be described later). A discharge mechanism 40 is disposed on the side surface of the cartridge 5 to press and discharge the inserted cartridge 5 out of the cartridge insertion opening 6 (see FIG. 7(a)). The ejection mechanism 40 includes an ejection lever 41 having a locking pawl 41a formed on one end and a protruding rod 42 on the other end;
A rotary shaft 43 that is inserted into an elongated hole 41b formed in 1 and rotatably supports the ejection lever 41;
1 and a spring 44 whose other end is fixed to the guide plate 17. The ejection lever 41 has its elongated hole 41b.
Since the rotating shaft 43 is inserted through the hole 43, the position of the center of rotation can be freely changed along the elongated hole 41b.
The protruding rod 42 is located at the rear of the cartridge 5. Further, the ejection lever 41 is always subjected to a rotational force in the left direction relative to the paper surface due to the spring force of the spring 44, but since the locking pawl 41a is engaged with the end surface 17c of the guide plate 17, the ejection lever 41 is rotated in the left direction. rotation is limited.

33 is a motor that rotates the optical disk 4 in the cartridge 5 to be mounted, and 34 is a switch that drives the drive motor 18 when the cartridge 5 is ejected. Although not shown in the figure, components such as an optical pickup head, its drive system, and a control system are disposed at the rear of the base 15.

Next, the operation of the disk drive device 1 according to the embodiment described above will be explained.

(a) Inserting the cartridge 5 Insert the cartridge 5 containing the optical disk 4 into the cartridge insertion slot 6, and insert the tip of the cartridge 5 into the dustproof door 7a.
, 7b are housed in the cartridge holder 16 while being pushed open. When the detection means (not shown) detects that the cartridge 5 is housed in the cartridge holder 16, a drive signal is output to the drive motor 18, and the drive motor 18 is driven to rotate. The motor shaft 18 is driven by the drive motor 18.
When the worm gear 28 of a rotates, the meshing first
Gear 25, 5th gear 25a1 2nd@wheel 26, 6th tooth ¥7
26a, 3rd @wheel 39, 7th gear 39a, 4th gear 27
rotates. The fourth gear 27 is driven by the drive motor 18.
When rotates (clockwise rotation), the moving pin 32 engaged with the elongated hole 27a of the fourth gear 27 moves within the elongated hole 27a,
Accordingly, the guide plate 17 is connected to the linear elongated holes 20c and 20d of the fixed plate 20, which are engaged with the regulation pins 30a and 30b.
As a result, the cartridge horizontally moves rearward (in the direction opposite to the cartridge insertion port 6) while its movement is restricted.

On the other hand, in the cartridge holder 16, the holder bins 29a and 29b provided on the side surface are connected to the oblique groove 17a of the guide plate 17,
L expansion holes 20a, 20b of the fixed plate 20 through 17b
As the guide plate 17 moves backward, it moves horizontally downward while its movement is restricted, and the holder pins 29a and 29b enter the grooves 20e and 2Or of the L expansion holes 20a and 20b. It will stop at that point. At this time, the guide plate 17 has moved from position A to position B (see Fig. 4), and when it reaches this position, the drive motor 18 activates the detection means (
(not shown) outputs a stop signal, and the driving of the drive motor 18 is stopped. At this position, the optical disc 4 is mounted on the motor 33 and becomes ready for recording and reproduction.

(b) By pressing the ejection switch 34 of the cartridge 5, a drive signal is output to the drive motor 18, and the drive motor 18 is driven to rotate in the opposite direction to that at the time of insertion, and the worm gear 28 of the motor shaft 18a is accordingly driven.
The first gear 25, the fifth gear 25a, the second gear 26, the sixth gear 26a, the third gear 39, and the seventh gear 39 are in mesh with each other.
The a1 fourth gear 27 also rotates in the opposite direction to that at the time of insertion. Drive motor 1
When the fourth gear 27 rotates (rotates to the left) due to the drive of 8,
The moving bottle 3 engaged with the elongated hole 27a of the fourth gear 27
2 moves within the elongated hole 27a, and along with this, the guide plate 17 moves toward the fixed plate 20 with which the regulation bins 30a and 30b are engaged.
The cartridge horizontally moves forward (in the direction of the cartridge insertion slot 6) while its movement is restricted by the linear elongated holes 20c and 20d. At this time, the door opening/closing pin 31 that is in contact with the cam portion 23a of the cam lever 23 also moves forward while sliding with the cam portion 23a, and as a result, the cam lever 23 resists the spring force of the spring 24 and rotates. It rotates to the left around the shaft 22. The cam lever 23 rotates to the left as much as possible when the guide plate 17 moves from position B to position C (see FIG. 4). When the cam lever 23 rotates to the left, the tip 23b engaged with the right side of the side surface of the upper part 13b of the door opening/closing lever 13 rotates the door opening/closing lever 13 to the left (see FIG. 3). When the door opening/closing lever 13 rotates to the left, the lower part 13a of the door opening/closing lever 13, which is engaged with the protruding piece 10a of the door opening/closing rack 10, lifts the door opening/closing rack 10 upward, and accordingly engages. The pinions 11a and 1 lb rotate, and the door opening/closing spring 9a,
The dustproof parts 7a and 7b, which rotate together with the rotating shafts 8a and 8b against the spring force of the spring 9b, are opened inward.

On the other hand, the cartridge holder 16 is located in front of the guide plate 17 (
The holder bins 29a, 2'9b move upward as they move horizontally toward the cartridge insertion side), and the holder bins 29a, 2'9b open the L-expanded holes 20a, 2'9b.
It comes off from the grooves 20e and 2Or of 20b and becomes in a state where it can move forward. At this time, the locking pawl 41a of the ejection lever 41 disposed at the rear of the guide plate 17 is located in the square hole 2Og of the fixing plate 20, and the protruding rod 42 is located at the rear of the cartridge 5 (Fig. 7). (see (a)). Then, when the guide plate 17 horizontally moves further forward (cartridge insertion side) from the position C, the ejection lever 41 also moves forward, and the locking pawl 41a is locked with the front end surface 20h of the square hole 20g. Then, the ejection lever 41 rotates to the right about the rotating shaft 43 against the spring force of the spring 44. (See Figure 7(b)). When the discharge/<-41 rotates, the protruding rod 42 at its tip presses the rear end surface 5a of the cartridge 5, pushing the cartridge 5 forward (toward the cartridge insertion side).

Further, the cartridge holder 16 is also horizontally moved forward (cartridge insertion side) of the guide plate 17, so that the oblique groove 17a is
, 17b are engaged with the holder bins 29a, 2
9b to move forward (cartridge insertion side).

In this way, the cartridge holder 16 and the guide plate 17
The cartridge 5 stored between the ejection lever 41
The cartridge 5 is pushed toward the cartridge insertion side by the rotation of the cartridge 5, and the leading end of the cartridge 5 passes between the open dustproof layers 7a and 7b and exits from the cartridge insertion opening 6 (see FIG. 8).

When the guide plate 17 reaches position A, the locking pawl 41a disengages from the front end surface 20h of the square hole 20g, and the ejection lever 41 rotates counterclockwise around the rotating shaft 43 due to the spring force of the spring 44. and is engaged with the end surface 17c of the guide plate 17 (see FIG. 7(C)). When the guide plate 17 reaches position A, the drive motor 18 is stopped by a stop signal from the detection means (not shown) at this position, and the cartridge holder 16 and the guide plate 17 are stopped. 23 is returned to its original position by the spring force of the spring 24, and the cartridge 5 is moved to the dustproof part 7 by the spring force of the door opening/closing springs 9a and 9b.
It will be in a state where it is sandwiched between a and 7b.

Then, by manually pulling out the distal end of the cartridge 5 protruding from the cartridge insertion slot 6, the dustproof part 7 is removed.
A and 7b are closed by door opening/closing springs 9a and 9b. Further, when the cartridge 5 is inserted again, the ejection lever 41 moves rearward as the guide plate 17 moves backward horizontally, and the locking claw 41a enters the square hole 2Og of the fixing plate 20 (
(See Figure 7(a)).

In this way, in this disk drive device 1, the ejection lever 41 provided at the rear of the guide plate 17 is moved from the guide plate 1 in conjunction with the ejection operation of the cartridge 5 by the loading mechanism 14.
By rotating the cartridge 5 with the movement of the cartridge 7 and pressing the cartridge 5 from the rear and pushing it out, the leading end side of the cartridge 5 can be further ejected out of the cartridge insertion opening 6.

FIG. 9 is an exploded perspective view showing a disk drive device according to a third embodiment of the present invention. As shown in FIGS. 1 and 9, this disk drive device 1 is composed of a front panel 2 and a main body 3. As shown in FIG.

The front panel 2 is formed with a cartridge insertion slot 6 into which a cartridge 5 containing an optical disc 4 is inserted, and furthermore, dustproof parts 7a and 7b are provided inside the slot to prevent dust from entering. (See Figure 9). dustproof part 7a,
7b is rotatably attached to the rotating shafts 8a and 8b, respectively, and when closed, the dustproof parts 7a and 7b
The tips of the two are in close contact. Door opening/closing springs 9a, 9b are attached to one end of the rotating shafts 8a, 8b so that a force that always closes the cartridge insertion port 6 is applied to the dustproof parts 7a, 7b.
is attached. Furthermore, pinions 11a and 1lb are respectively disposed at the tips of the rotating shafts 8a and 8b, and mesh with a door opening/closing rack 10 disposed within the front panel 2 so as to be movable up and down. A protruding piece 10a is integrally formed at the bottom of the door opening/closing rack 10, and an L-shaped door opening/closing lever 13 rotatably supported on a rotating shaft 12 is mounted at the lower end of the protruding piece 10a. The lower part 13a is brought into contact with the door opening/closing lever 13, and by moving the door opening/closing lever 10 up and down, the dustproof doors 7a, 7b are opened and closed along with the rotation of the binions 11a, 11b (details will be described later).

As shown in FIG. 9, a cartridge/strip 5 is inserted into the main body 3 and mounted in a predetermined position, and the inserted cartridge 5 is ejected out of the cartridge/slip insertion slot 6. A loading mechanism 14 is provided. The loading mechanism 14 includes a base 15, a cartridge holder 16,
It includes a guide plate 17, a drive motor 18, a drive force transmission system 19, and a fixing plate 20, and the cartridge 5 is inserted into the cartridge holder 16 and the guide plate 17. base 1
5, there are L expansion holes 20a in the front and rear, respectively.

20b and a fixed plate 2 formed with linear elongated holes 20c and 20d.
0 is fixed with screws 21a and 21b, and the fixing plate 20
A cam lever 23 having a cam portion 23a rotatably supported by the rotating shaft 22 is disposed on one side of the inner front portion of the lever (see FIG. 4). The cam lever 23 has its tip 2
3b engages with the side surface of the upper part 13b of the door opening/closing lever 13 (the right side surface when viewed from the inside of the front panel 2), and the tip portion 23b has a spring 24 attached to the rear portion 23c that allows it to move in the right direction relative to the plane of the paper. A rotating urging force is acting. Further, the front part of the base 15 includes a drive motor 18, a worm gear 28, a first gear 25, a second gear 26, and a third gear 39.
, a fourth gear 27, a fifth gear 25a, a sixth gear 26a, and a seventh gear 39a. The first gear 25 and the third gear 39 are arranged coaxially, and the first gear 25 and the second gear 2
6. A fifth gear 25a, a sixth gear 26a1, and a seventh gear 27a, each having a small diameter, are integrally fixed to the third gear 39 coaxially with each other. Then, the worm gear 28 and the first gear 2
5. The fifth gear 25a and the second gear 26, the third gear 39 and the sixth gear 26a, and the seventh gear 39g and the fourth gear 27 are engaged with each other, and the worm gear 28 is rotated by the drive of the drive motor 18. , the first gear 25, the fifth gear 25a1, the second gear 26, the sixth gear 26a1, the third gear 3
9. The fourth gear 27 rotates via the seventh gear 39a.

The fourth gear 27 includes a gear portion 27 that meshes with the seventh gear 39a.
c, and a protruding piece 27b having an elongated hole 27a inside.

The second gear 26 and the sixth gear 26a are connected to a gear base 51 that is rotatably supported by a rotating shaft 50 provided on the base 15.
(See FIGS. 10(a) and 10(b)). A meshing spring 52 is provided between the base 15 and the gear base 51.
are provided, and under normal conditions, the fifth gear 25a and the second gear 26, and the third gear 39 and the sixth gear 26a are held in a meshed state by the spring force of the meshing spring 52.

A release lever 53 in which elongated holes 53a and 53b are formed is disposed in front of the distal end portion 51B of the gear base 51 (on the cartridge insertion side). The release lever 53 has a long hole 53a.
, 53b through the elongated hole 5.
3a and 53b in the front-rear direction (insertion and ejection direction of the cartridge 5), and a biasing force is applied to the release lever 53 toward the cartridge insertion side by a spring (not shown). The front end surface 53C of the release lever 53 faces the inside of the hole 2a formed in the front panel 2, and the front end surface 53C of the release lever 53 is inserted into the hole 2a with a wire or the like.
By pressing the rear end surface 53d, the gear base 51
is pressed against the tip 51a of the gear base 51 to push the gear base 51 backward. Then, the gear base 51 rotates counterclockwise around the rotating shaft 50 against the spring force of the meshing spring 52, thereby causing the 51m1 wheel 25a and the second gear 26, the third gear 39 and the sixth gear The meshing of the gear 26a can be released.

In this way, in this embodiment, the second gear 26, the 26th gear, and the sixth gear
Gear base 51 with gear 26a attached, meshing spring 5
2. The release lever 53 constitutes a release means for intermittent transmission of driving force to the loading mechanism 14.

The cartridge holder 16 is provided with holder bins 29a and 29b at the front and rear of both sides thereof, respectively. Also,
The guide plate 17 has oblique grooves 17 at the front and rear of both sides thereof.
a, 17b are formed, and the regulating pins 30a,
30b is provided, and furthermore, a door opening/closing pin 3 is provided at the front part.
1 and a moving pin 32 are provided.

and the holder pin 29a of the cartridge holder 16,
29b is the oblique groove 17a of the guide plate 17.

L expansion holes 20a and '20b of the fixed plate 20 through 17b.
The regulating pins 30a and 30b are engaged with the straight elongated holes 20C and 20d of the fixing plate 20, and further,
The door opening/closing pin 31 is slidably engaged with the cam portion 23a of the cam lever 23, and the moving pin 32 is engaged with the elongated hole 27a of the fourth gear 27. Cartridge holder 16 via transmission system 19
, the guide plate 17 moves up and down and back and forth (details will be described later).Furthermore, discharge springs 55 are disposed in cutouts 17c and 20h formed on both sides of the guide plate 17 and the fixed plate 20, respectively. ing. One end side (cartridge insertion side) of the ejection spring 55 is fixed to the fixing plate 20, and the other end side (the side opposite to the cartridge insertion side) is fixed to the guide plate 17.
The guide plate 17 is always biased forward (towards the cartridge insertion side) by the ejection spring 55 .

33 is a motor that rotates the optical disk 4 in the cartridge 5 to be mounted, and 34 is a switch that drives the drive motor 18 when the cartridge 5 is ejected. Although not shown in the figure, components such as an optical pickup head, its drive system, and a control system are disposed at the rear of the base 15.

Next, the operation of the disk drive device 1 according to the embodiment described above will be explained.

(a) Inserting the cartridge 5 Insert the cartridge 5 containing the optical disk 4 into the cartridge insertion slot 6, and insert the tip of the cartridge 5 into the dustproof door 7a.
, 7b are housed in the cartridge holder 16 while being pushed open. When the detection means (not shown) detects that the cartridge 5 is housed in the cartridge holder 16, a drive signal is output to the drive motor 18, and the drive motor 18 is driven to rotate. The motor shaft 18 is driven by the drive motor 18.
When the worm gear 28 of a rotates, the meshing first
Gear 25, fifth gear 25a1, second gear 26, sixth gear 2
6a1 The third gear 39, the seventh gear 39a, and the fourth gear 27 rotate. When the fourth gear 27 rotates (clockwise) due to the drive of the drive motor 18, the moving pin 32 engaged with the elongated portion 27a of the fourth gear 27 moves within the elongated hole 27a, and the guide plate accordingly moves. 17 horizontally moves rearward (in the opposite direction to the cartridge insertion port 6) while its movement is regulated by the linear elongated holes 20c and 20d of the fixing plate 20 in which the regulating pins 30a and 30b are engaged.

On the other hand, in the cartridge holder 16, the holder pins 29a and 29b provided on the side surface are connected to the oblique groove 17a of the guide plate 17,
L expansion holes 20a, 20b of the fixed plate 20 through 17b
As the guide plate 17 moves backward, it moves horizontally downward while its movement is restricted, and the holder pins 29a and 29b fit into the grooves 20e and 20'' of the L expansion holes 20a and 20b. At this time, the guide plate 17 has moved from position A to position B (see Fig. 4), and when it reaches this position, the drive motor 18 is activated by the detection means (
(not shown) outputs a stop signal, and the driving of the drive motor 18 is stopped. At this position, the optical disc 4 is mounted on the motor 33 and becomes ready for recording and reproduction.

(b) By pressing the ejection switch 34 of the cartridge 5, a drive signal is output to the drive motor 18, and the drive motor 18 is driven to rotate in the opposite direction to that at the time of insertion, and the worm gear 28 of the motor shaft 18a is accordingly driven.
The first gear 25, the fifth gear 25a1, the second gear 26, the sixth gear 26a, the third gear 39, and the seventh gear 39 mesh with each other.
The a1 4th m wheel 27 also rotates in the opposite direction to that at the time of insertion. Drive motor 1
When the fourth gear 27 rotates (rotates to the left) due to the drive of 8,
The moving pin 3 engaged with the elongated hole 27a of the fourth gear 27
2 moves within the elongated hole 27a, and along with this, the guide plate 17 moves toward the fixed plate 20 with which the regulation bins 30a and 30b are engaged.
The cartridge horizontally moves forward (in the direction of the cartridge insertion slot 6) while its movement is restricted by the linear elongated holes 20c and 20d. At this time, the door opening/closing pin 31 that is in contact with the cam portion 23a of the cam lever 23 also moves forward while sliding with the cam portion 23a, and as a result, the cam lever 23 resists the spring force of the spring 24 and rotates. It rotates to the left around the shaft 22. The cam lever 23 rotates to the left as much as possible when the guide plate 17 moves from position B to position C (see FIG. 4). When the cam lever 23 rotates to the left, the tip 23b engaged with the right side of the side surface of the upper part 13b of the door opening/closing lever 13 rotates the door opening/closing lever 13 to the left (see FIG. 3). When the door opening/closing lever 13 rotates to the left, the lower part 13a of the door opening/closing lever 13, which is engaged with the protruding piece 10a of the door opening/closing rack 10, lifts the door opening/closing rack 10 upward, and accordingly engages. The pinions 11a and 1 lb rotate, and the door opening/closing spring 9a,
The protective doors 7a and 7b, which rotate together with the rotating shafts 8a and 8b against the spring force of the spring 9b, are opened inward.

On the other hand, the cartridge holder 16 is located in front of the guide plate 17 (
The holder pins 2, 9a, 29b move upward as the horizontal column moves toward the cartridge insertion side), and the holder pins 2, 9a, 29b are inserted into the L expansion hole 20a.
, 20b, and come out of the grooves 20e and 2Or, and are in a state where they can move forward. Then, when the guide plate 17 moves horizontally further forward from the position C, the cartridge holder 16 also moves into the oblique groove 1.
Holder pin 29a engaged with 7a and 17b
, 29b horizontally move forward (cartridge insertion side), and along with this, the cartridge holder 16 and the guide plate 17
The leading end of the cartridge 5 stored in between passes through the open protective doors 7a and 7b and enters the cartridge insertion slot 6.
Go outside.

At this time, the guide plate 17 reaches the position A, and at this position, the drive motor 18 is stopped by a stop signal from the detection means (not shown), and the cartridge holder 16 and the guide plate 17 are stopped.
stops, and the cam lever 23 returns to its original position by the spring force of the spring 24, and the cartridge 5 is moved by the door opening/closing spring 9a,
Due to the spring force of 9b, the protective doors 7a and 7b come into a sandwiched state.

Then, by manually pulling out the leading end of the cartridge 5 protruding from the cartridge insertion slot 6, the protective door 7 is opened.
a and 7b are closed by the spring force of door opening/closing springs 9a and 9b.

Furthermore, when the cartridge 5 cannot be ejected because the drive motor 18 stops rotating and the loading mechanism 14 stops operating due to a power outage, etc., the distal end surface 53c of the release lever 53 can be inserted into the hole formed in the front panel 2. Press with a wire or the like through 2a. Then, the release lever 53 is opened by the pins 54a and 54b into the elongated hole 53a,
53b, the rear end surface 53d of the release lever 53 comes into pressure contact with the tip 51a of the gear base 51, and pushes the gear base 51 backward against the spring force of the meshing spring 52. The gear base 51 has a release lever 53
When pushed, the drive force transmission system 19 rotates to the left about the rotating shaft 50, and the meshing between the fifth gear 25a and the second gear 26, and between the third gear 39 and the sixth gear 26a is released, and the driving force transmission system 19
will be released.

When the driving force transmission system 19 is opened, the guide plate 17 becomes movable, so that the guide plate 17 is moved by the spring force of the ejection spring 55.
moves forward (cartridge insertion side), the cam lever 23 and door opening/closing lever 13 rotate as described above, moving the door opening/closing rack 10 to open the protective doors 7a, 7b, and the leading end of the cartridge 5 passes between them. Cartridge insertion slot 6
is discharged from. At this time, the moving pin 32 provided on the guide plate 17 also moves forward (toward the cartridge insertion side), so the fourth gear 27, the seventh m-wheel 39a1, and the third gear 39 move along the elongated hole 27a of the fourth gear 27. The movable pin 32 rotates freely by the amount that the movable pin 32 moves.

Further, when the cartridge 5 is inserted or ejected by the normal operation of the loading mechanism 14, the driving force transmission system 19 is opened as described above by pressing the distal end surface 53C of the release lever 53 with a wire or the like. By holding the release lever 53 in a pressed state, the guide plate 17 moves forward (toward the cartridge insertion side) and the cartridge 5 is inserted or ejected. is discharged.

In addition, in the embodiment described above, the fifth gear 25a and the second m-wheel
26. Although the meshing between the third gear 39 and the sixth gear 26a is released, the present invention is not limited to this, and a configuration may be adopted in which meshing between any gear is released.

In this way, in this disk drive device 1, even if the loading mechanism 14 stops operating due to a power outage or the like when the cartridge 5 is inserted, the meshing of any gear in the drive force transmission system 19 can be released, so that the cartridge 5 can be ejected easily. The cartridge 5 can be ejected only by the spring force of the spring 55.

FIG. 11 is an exploded perspective view showing a disk drive device according to a fourth embodiment of the present invention, and FIGS. 12(a) and 12(b) are plan views showing a driving force transmission system and its opening means, respectively. FIG.

In this embodiment, the first gear 2 constituting the driving force transmission system 19 is
5, second gear 26, third gear 39, fourth gear 27, fifth gear
Among the gear 25a1, the sixth gear 26a, and the seventh gear 39a,
The first gear 25, the third gear 39, the fourth gear 27, the fifth gear 25a1, and the seventh gear 39a are arranged on the base 15, and the second
The gear 26 and the sixth gear 26a are arranged on the gear base 60. The gear base 60 has two elongated holes 60a through which the pins 54a and 54b provided in the base 15 are pushed.

60b and an elongated hole 60c through which the projection piece 15a formed on the base 15 is inserted, and the gear base 60 has pins 54a and 5 inserted through the elongated holes 60a and 60b.
4b, it is movable in the front-rear direction (the insertion and ejection direction of the cartridge 5) along the elongated holes 60a and 60b. Further, a meshing spring 52 is disposed between the base 15 and the gear base 60, and the spring force of this meshing spring 52 normally causes the fifth gear 25a, the second gear 26, 3
The gear 39 and the sixth gear 26a are kept in mesh with each other.

At the front part (cartridge insertion side) of the gear base 60, there is an L-shaped release lever 62 rotatably supported on a shaft 61.
is installed. A notch 62a that is engaged with the protruding piece 15a is formed at the tip of one end of the release lever 62, and a protruding piece 6 is formed on the side surface of the cartridge insertion side of the other end.
2b is formed, and this protruding piece 62b faces the inside of the hole 2a formed in the front panel 2. Further, a spring 63 is disposed between the gear base 60 and the release lever 62, and the spring force of the spring 63 normally causes the notch 62a of the release lever 62 to engage with the projection piece 15a. It has been stopped. In addition, with respect to the moving direction of the gear base 6°, the shaft 61, which is the rotation center of the release lever 62, and the release lever 62
The protrusion pieces 15a and the shaft 61 are arranged so that straight lines connecting the protrusion pieces 15a to which the notch portions 62a are engaged are substantially parallel to each other.

Then, attach the protruding piece 62b of the release lever 62 to the front panel 2.
By pressing with a wire or the like through the hole 2a, the notch 62a of the release lever 62 and the projection piece 15a are disengaged, and the side surface 62c of the release lever 62 opposite to the projection piece 62b is attached to the gear base 60. The formed protrusion 60
Press d to push the gear base 60 backward. Then, the pin 54a of the gear base 60 is inserted into the elongated holes 60a and 60b against the spring force of the meshing spring 52.

54b along the elongated holes 60a and 60b, the fifth gear 25g, the second gear 26, the third gear 39, and the sixth gear 26
The mesh of a can be released (Fig. 13(a),
(see (b)).

In this way, in this embodiment, the second gear 26 and the sixth gear 26
Gear base 60 with gear a attached, meshing spring 52. Bins 54a, 54b, release lever 62, spring 63, protrusion piece 1
5a constitutes an opening means for intermittent transmission of driving force to the loading mechanism 14.

The rest of the structure is the same as that of the embodiment shown in FIG. 9, and in this embodiment, the operations of inserting and ejecting the cartridge 5 are performed in the same manner as in the embodiment shown in FIG.

When the cartridge 5 cannot be ejected because the drive motor 18 stops rotating and the loading mechanism 14 stops operating due to a power outage, etc., the protruding piece 62b of the release lever 62 is inserted into the hole formed in the front panel 2. Press with a wire or the like through 2a. Then, FIG. 13(a).

As shown in (b), the release lever 62 is rotated clockwise about the shaft 61 against the spring force of the spring 63, thereby disengaging the engagement between the notch portion 62a and the projection piece 15a.

At this time, the side surface 62c of the release lever 62 opposite to the protruding piece 62b comes into contact with the protrusion 60d of the gear base 60, and by further pressing the protruding piece 62b of the release lever 62 from this state, the gear base 60 The pins 54a, 54b inserted into the slots 60a, 60b move rearward (to the side opposite to the cartridge insertion side) along the slots 60a, 60b against the spring force of the engagement spring 52. By moving the gear base 60 rearward, the meshing between the fifth gear 25a and the second gear 26, and the third gear 39 and the sixth gear 26a are released, and the driving force transmission system 19 is opened. When the driving force transmission system 19 is opened, the guide plate 17 becomes movable, so the guide plate 17 moves forward (towards the cartridge insertion side) by the spring force of the ejection spring 55, and the cam lever 23 and door opening/closing are activated as described above. The lever 13 rotates and the door opening/closing rack 1
0 to open the dustproof sections 7a and 7b, and the distal end side of the cartridge 5 is ejected from the cartridge insertion port 6 through the space between them. At this time, the moving pin 32 provided on the guide plate 17
The fourth gear 27, the seventh gear 39a, and the third gear 39 move forward (toward the cartridge insertion side), so the fourth gear 27, the seventh gear 39a, and the third gear 39 move forward (towards the cartridge insertion side).
The movable bottle 32 freely rotates along the elongated hole 27a by the amount of movement.

Further, by releasing the suppressed state of the protruding piece 62b of the release lever 62, the gear base 60 returns to its original position by the spring force of the meshing spring 52, and the fifth gear 25a and the second gear
6. The third gear 39 and the sixth gear 26a are engaged, and the release lever 62 is also returned to its original position by the spring force of the spring 63, so that the notch 62a and the protruding piece 15a are locked.

In addition, in the embodiment described above, the fifth gear 25a and the second gear 2
6. Although the three third gears and the sixth gear table 26a are disengaged from each other, the present invention is not limited to this, and a configuration may be adopted in which the engagement of any gear is disengaged.

In this way, in the present invention, even if the loading mechanism 14 stops operating due to a power outage or the like when the cartridge 5 is inserted, the driving force transmission system 19 can be easily opened, so that only the spring force of the ejection spring 55 can be used. and cartridge 5
can be discharged.

FIG. 14 is an exploded perspective view showing a disk drive device equipped with a fifth embodiment of the present invention. As shown in FIGS. 1 and 14, this disk drive device 1 is composed of a front panel 2 and a main body 3. As shown in FIG.

The front panel 2 is formed with a cartridge insertion slot 6 into which a cartridge 5 containing an optical disc 4 is inserted, and further includes:
Dust-proof portions 7a and 7b are provided inside thereof to prevent dust from entering (see FIGS. 3 and 14). dustproof part 7a,
7b is rotatably attached to the rotating shafts 8a and 8b, respectively, and when closed, the dustproof parts 7a and 7b
The tips of the two are in close contact. Door opening/closing springs 9a, 9b are attached to one end of the rotating shafts 8a, 8b so that a force that always closes the cartridge insertion port 6 is applied to the dustproof parts 7a, 7b.
is attached. Furthermore, pinions 11a and 1lb are respectively disposed at the tips of the rotating shafts 8a and 8b, and mesh with a door opening/closing rack 10 disposed within the front panel 2 so as to be movable up and down. A protruding piece 10a is integrally formed at the bottom of the door opening/closing rack 10, and an L-shaped door opening/closing lever 13 rotatably supported on a rotating shaft 12 is mounted at the lower end of the protruding piece 10a. When the lower part 13a is brought into contact and the door opening/closing rack 10 is moved up and down by the rotation of the door opening/closing lever 13, the dustproof parts 7a and 7b are opened and closed along with the rotation of the pinions lla and 11b (details will be described later).

As shown in FIG. 14, a loading mechanism 14 is disposed inside the main body 3 for inserting and mounting the cartridge 5 in a predetermined position, and for ejecting the inserted cartridge 5 out of the cartridge insertion opening 6. ing. Loading mechanism 1
4 includes a base 15, a cartridge holder 16, a guide plate 17, a drive motor 18, a driving force transmission system 19, and a fixing plate 20. inserted. base 15
L expansion holes 20a are provided on both sides of the front and rear respectively.

20b and a fixed plate 2 formed with linear elongated holes 20c and 20d.
0 is fixed with screws 21a and 21b, and the fixing plate 20
A cam lever 23 having a cam portion 23a rotatably supported by the rotating shaft 22 is disposed on one side of the inner front portion of the lever (see FIG. 4). The cam lever 23 has its tip 2
3b engages with the side surface of the upper part 13b of the door opening/closing lever 13 (the right side surface when viewed from the inside of the front panel 2), and the tip portion 23b has a spring 24 attached to the rear portion 23c that allows it to move in the right direction relative to the plane of the paper. A rotating urging force is acting. Further, the front part of the base 15 includes a drive motor 18, a worm gear 28, a first gear 25, a second gear 26, and a third gear 39.
, a fourth gear 27, a fifth gear 25a, a sixth gear 26a, and a seventh gear 39a. The first gear 25 and the third gear 39 are arranged coaxially, and the first gear 25 and the second gear 2
6. On the third gear 39, a fifth gear 25a, a sixth m-wheel 26a, and a seventh gear 27a, each having a small diameter, are integrally disposed coaxially in front of the third gear 39. Then, the worm gear 28 and the first gear 2
5. The fifth gear 25a and the second gear 26, the third gear 39 and the sixth gear 26a, and the seventh gear 39a and the fourth gear 27 are engaged with each other, and the worm gear 28 is rotated by the drive of the drive motor 18. and the first gear 25, the fifth gear
The fourth gear 27 rotates via the second gear 26 of the gear 25a1, the third gear 39 of the sixth gear 26a1, and the seventh gear 39a. The fourth gear 27 has a gear portion 2 that meshes with the seventh gear 39a.
7c, and a protruding piece 27b having an elongated hole 27a inside.

The second gear 26 and the sixth gear 26a are connected to a gear base 51 that is rotatably supported by a rotating shaft 50 provided on the base 15.
(See FIGS. 10(a) and 10(b)). A meshing spring 52 is provided between the base 15 and the gear base 51.
are provided, and under normal conditions, the fifth gear 25a and the second gear 26, and the third gear 39 and the sixth gear 26a are held in a meshed state by the spring force of the meshing spring 52.

A release lever 53 in which elongated holes 53a and 53b are formed is disposed in front of the distal end portion 51a of the gear base 51 (on the cartridge insertion side). The release lever 53 has a long hole 53a.
, 53b through the elongated hole 5.
3a and 53b in the front-rear direction (insertion and ejection direction of the cartridge 5), and a biasing force is applied to the release lever 53 toward the cartridge insertion side by a spring (not shown). The front end surface 53c of the release lever 53 faces the inside of the hole 2a formed in the front panel 2, and the front end surface 53c of the release lever 53 is inserted into the hole 2a with a wire or the like.
By pressing the rear end surface 53d, the gear base 51
is pressed against the tip 51a of the gear base 51 to push the gear base 51 backward. Then, the gear base 51 rotates counterclockwise around the rotating shaft 50 against the spring force of the meshing spring 52, thereby rotating the fifth gear 25a, the second gear 26, and the third gear 39.
The meshing between the sixth gear 26a and the sixth gear 26a can be released.

Further, on one side of the rear end of the fixing plate 20 (the left side when viewed from the cartridge insertion side), an ejection mechanism 4, which will be described later, is provided.
A square hole 20g is formed in which the locking pawl 41a of No. 0 engages.

The cartridge holder 16 is provided with holder pins 29a and 29b at the front and rear of both sides thereof, respectively. Also,
The guide plate 17 has oblique grooves 17 at the front and rear of both sides thereof.
a, 17b are formed, and the regulating pins 30a,
30b is provided, and furthermore, a door opening/closing pin 3 is provided at the front part.
1 and a moving pin 32 are provided.

and the holder pin 29a of the cartridge holder 16,
29b is the oblique groove 17a of the guide plate 17.

The regulation pins 30a, 30b are engaged with the L expansion holes 20a, 20b of the fixing plate 20 through the fixing plate 20.
Further, the door opening/closing pin 31 is slidably engaged with the cam portion 23a of the cam lever 23, and the moving pin 32 is engaged with the elongated hole 2 of the fourth gear 27.
7a, and by driving the drive motor 18,
The cartridge holder 16 and the guide plate 17 move up and down and back and forth via the driving force transmission system 19 (details will be described later). A discharge spring 55 is disposed at 20h. One end side (cartridge insertion side) of the ejection spring 55 is fixed to the fixing plate 20, and the other end side (the side opposite to the cartridge insertion side) is fixed to the guide plate 17. A biasing force always acts in the forward (cartridge insertion side) direction.

Further, on one side of the rear end of the guide plate 17 (the left side when viewed from the cartridge insertion side), there is disposed an ejection mechanism 40 that presses the inserted cartridge 5 out of the cartridge insertion opening 6 and ejects it. (See Figure 7(a)).

The ejection mechanism 40 includes an ejection lever 41 having a locking pawl 41a formed on one end and a protruding rod 42 on the other end, and a ejection lever 41 that is inserted through an elongated hole 41b formed in the ejection lever 41 to freely rotate the ejection lever 41. a rotating shaft 43 supported by a spring 44 having one end fixed to the ejection lever 41 and the other end fixed to the guide plate 17;
It is made up of. The ejection lever 41 has its elongated hole 41
Since the rotating shaft 43 is inserted through b, the position of the center of rotation can be changed freely, and when the cartridge 5 is inserted, the locking pawl 41a is located in the square hole 20g of the fixing plate 20, and the protruding rod 42 is It is located at the rear of the cartridge 5. Further, the ejection lever 41 is always subjected to a leftward rotational force due to the spring force of the spring 44, but the locking claw 41a is
Since it is engaged with the end surface 17c of 7, rotation in the left direction is restricted.

33 is a motor that rotates the optical disk 4 in the cartridge 5 to be mounted, and 34 is a switch that drives the drive motor 18 when the cartridge 5 is ejected. Although not shown in the figure, components such as an optical pickup head, its drive system, and a control system are disposed at the rear of the base 15.

Next, the operation of the disk drive device according to the above embodiment will be explained.

(a) Inserting the cartridge 5 Insert the cartridge 5 containing the optical disk 4 into the cartridge insertion slot 6, and insert the tip of the cartridge 5 into the dustproof door 7a.
, 7b are housed in the cartridge holder 16 while being pushed open. When the detection means (not shown) detects that the cartridge 5 is housed in the cartridge holder 16, a drive signal is output to the drive motor 18, and the drive motor 18 is driven to rotate. The motor shaft 18 is driven by the drive motor 18.
When the worm gear 28 of a rotates, the meshing first
Gear 25, fifth gear 25a1, second gear 26, sixth gear 2
6a1 The third gear 39, the seventh gear 39a, and the fourth gear 27 rotate. When the fourth gear 27 rotates (clockwise) due to the drive of the drive motor 18, the moving pin 32 engaged with the elongated hole 27a of the fourth gear 27 moves within the elongated hole 27a, and the guide is rotated accordingly. The plate 17 horizontally moves rearward (in the opposite direction to the cartridge insertion port 6) while its movement is restricted by the linear elongated holes 20c and 20d of the fixing plate 20 in which the restriction pins 30a and 30b are engaged.

On the other hand, in the cartridge holder 16, the holder pins 29a and 29b provided on the side surface are connected to the oblique groove 17a of the guide plate 17,
L expansion holes 20a, 20b of the fixed plate 20 through 17b
As the guide plate 17 moves backward, it moves horizontally downward while its movement is restricted, and the holder pins 29a and 29b enter the grooves 20e and 2Or of the L expansion holes 20a and 20b. It will stop at that point. At this time, the guide plate 17 has moved from position A to position B (see Fig. 4), and when it reaches this position, the drive motor 18 activates the detection means (
(not shown) outputs a stop signal, and the driving of the drive motor 18 is stopped. At this position, the optical disc 4 is mounted on the motor 33 and becomes ready for recording and reproduction.

(b) By pressing the ejection switch 34 of the cartridge 5, a drive signal is output to the drive motor 18, and the drive motor 18 is driven to rotate in the opposite direction to that at the time of insertion, and the worm gear 28 of the motor shaft 18a is accordingly driven.
The first gear 25, the fifth gear 25a5, the second gear 26, the sixth gear 26a, the third gear 39, and the seventh gear 39 are in mesh with each other.
The a1 fourth gear 27 also rotates in the opposite direction to that at the time of insertion. Drive motor 1
When the fourth gear 27 rotates (rotates to the left) due to the drive of 8,
The moving bottle 3 engaged with the elongated hole 27a of the fourth gear 27
2 moves within the long diameter 27a, and along with this, the guide plate 17 moves toward the fixed plate 20 with which the regulation bins 30a and 30b are engaged.
The cartridge horizontally moves forward (in the direction of the cartridge insertion slot 6) while its movement is restricted by the linear elongated holes 20c and 20d. At this time, the door opening/closing bin 31 that is in contact with the cam portion 23a of the cam lever 23 also moves forward while sliding with the cam portion 23a, and as a result, the cam lever 23 resists the spring force of the spring 24 and rotates. It rotates to the left around the shaft 22. The cam lever 23 rotates to the left as much as possible when the guide plate 17 moves from position B to position C (see FIG. 4). When the cam lever 23 rotates to the left, the tip 23b engaged with the right side of the side surface of the upper part 13b of the door opening/closing lever 13 rotates the door opening/closing lever 13 to the left (see FIG. 3). When the door opening/closing lever 13 rotates to the left, the lower part 13a of the door opening/closing lever 13, which is engaged with the protruding piece 10a of the door opening/closing rack 1o, lifts the door opening/closing rack 1o upward, and accordingly, the door opening/closing rack 1o is engaged. The pinions 11a and 11b rotate to open the dustproof doors 7a and 7b, which rotate together with the rotating shafts 8a and 8b, inwardly against the spring force of the door opening/closing springs 9a and 9b.

On the other hand, the cartridge holder 16 is located in front of the guide plate 17 (
The holder bins 29a and 29b move upward as the cartridge is horizontally moved toward the cartridge insertion side), and the holder bins 29a and 29b are inserted into the L expansion holes 20a and 2.
It comes out of the grooves 20o and 2Of of 0b and is in a state where it can move forward. At this time, the locking pawl 41a of the ejection lever 41 disposed at the rear of the guide plate 17 is located in the square hole 2Og of the fixing plate 20, and the protruding rod 42 is located at the rear of the cartridge 5 (Fig. 7). (see (a)). Then, when the guide plate 17 horizontally moves further forward (cartridge insertion side) from the position C, the ejection lever 41 also moves forward, and the locking pawl 41a is locked with the front end surface 20h of the square hole 20g. Then, the ejection lever 41 rotates to the right about the rotating shaft 43 against the spring force of the spring 44. (See Figure 7(b))
. When the ejection lever 41 rotates, the protruding rod 42 at its tip
presses the rear end surface 5a of the cartridge 5, pushing the cartridge 5 forward (toward the cartridge insertion side).

Further, the cartridge holder 16 is also horizontally moved forward (cartridge insertion side) of the guide plate 17, so that the oblique groove 17a is
, 17b are engaged with the holder bins 29a, 2
Move forward with 9b. In this way, the cartridge 5 stored between the cartridge holder 16 and the guide plate 17 is pushed out toward the cartridge insertion side by the rotation of the ejection lever 41, and the leading end of the cartridge 5 passes between the open dustproof fftf7a and 7b. and exits from the cartridge insertion opening 6 (see FIG. 8).

When the guide plate 17 reaches position A, the locking pawl 41a disengages from the front end surface 20h of the square hole 20g, and the ejection lever 41 is rotated counterclockwise around the rotating shaft 43 by the force of the spring 44. and is engaged with the end surface 17c of the guide plate 17 (see FIG. 7(C)). When the guide plate 17 reaches position A, the drive motor 18 is stopped by a stop signal from the detection means (not shown) at this position, and the cartridge holder 16 and the guide plate 17 are stopped. 23 is returned to its original position by the spring force of the spring 24, and the cartridge 5 is opened by the dust-proof door 7 by the spring force of the door opening/closing springs 9a and 9b.
It will be in a state where it is sandwiched between a and 7b.

Then, by manually pulling out the tip side of the cartridge 5 that is coming out from the cartridge insertion slot 6, the dust-proof door 7 is opened.
A and 7b are closed by door opening/closing springs 9a and 9b. Further, when the cartridge 5 is inserted again, the ejection lever 41 moves rearward as the guide plate 17 moves backward horizontally, and the locking claw 41a enters the square hole 2Og of the fixing plate 20 (
(See Figure 7(a)).

Further, when the drive motor 18 stops rotating and the loading mechanism 14 stops operating due to a power outage, etc., and the cartridge 5 cannot be ejected, the distal end surface 53c of the ejection lever 53 is inserted into the hole 2a formed in the front panel 2. Press it with a wire etc. through it. Then, the release lever 53 is opened by the bins 54a, 54b into the elongated holes 53a, 5.
3b, the rear end surface 53d of the discharge plate 53 comes into pressure contact with the tip 51a of the gear base 51, and pushes the gear base 51 backward against the spring force of the meshing spring 52. When the gear base 51 is pushed by the release lever 53, it rotates to the left around the rotating shaft 50, and the fifth gear 25a and the second gear 26, and the third gear 39 and the sixth gear 26a6 mesh with each other. It is released and the driving force transmission system 19 is opened.

When the driving force transmission system 19 is opened, the guide plate 17 becomes movable, so that the guide plate 17 is moved by the spring force of the ejection spring 55.
moves forward (cartridge insertion side), the cam lever 23 and the door opening/closing lever 13 rotate as described above, and the door opening/closing rack 10 is moved to open the dustproof areas 7a, 7b, and the tip side of the cartridge 5 passes between them. Cartridge insertion slot 6
is discharged from. At this time, the moving pin 32 provided on the guide plate 17 also moves forward (toward the cartridge insertion side), so the fourth gear 27, the seventh gear 39a1, and the third gear 39 move along the elongated hole 27a of the fourth gear 27. The movable pin 32 rotates freely by the amount that the movable pin 32 moves.

In addition, in the embodiment described above, the fifth gear 25a and the second gear 2
6. Although the meshing between the third gear 39 and the sixth gear 26a has been released, the present invention is not limited to this, and a configuration may be adopted in which meshing between any gear is released.

In this way, in this disk drive device 1, when the cartridge 5 is ejected, the cam lever 23 is moved in conjunction with the horizontal movement of the cartridge holder 16 and the guide plate 17 that constitute the loading mechanism 14, and the door opening/closing pin 31 provided on the guide plate 17 is moved.
By moving and rotating the door in sliding contact, the engaged door opening/closing lever 13 is rotated and the door opening/closing rack 10 is rotated.
By moving the dustproof areas 7a and 7b, the dustproof areas 7a and 7b can be opened. Further, in conjunction with the ejection operation of the cartridge 5 by the loading mechanism 14, the ejection lever 41 provided at the rear of the guide plate 17 is rotated together with the movement of the guide plate 17, and the cartridge 5 is pressed from the rear and pushed out. The distal end side of the cartridge 5 can be further ejected to the outside of the cartridge insertion port 6. Furthermore, even if the loading mechanism 14 stops operating due to a power outage, etc., the meshing of any gear in the drive force transmission system 19 can be released, so the cartridge 5 can be ejected using only the spring force of the ejection spring 55. It can be carried out.

[Effects of the Invention] As described above in detail based on the embodiments, since the disk drive device of the present invention is configured as described above, it produces the effects described below.

In the disk drive device according to claim (1), since the dustproof field can be opened and closed in conjunction with the cartridge ejection operation by the loading mechanism, the dustproof field can be easily opened and closed with a simple configuration, and it is possible to open and close the dustproof field in conjunction with the cartridge ejection operation by the loading mechanism. Since there is no need to increase the size of the power supply device due to the increase in power consumption unlike the opening/closing mechanism using a solenoid, costs can be reduced.

In the disk drive device according to claim (2), since the cartridge can be pressed in conjunction with the cartridge ejection operation by the loading mechanism, the leading end side of the cartridge can be further ejected out of the cartridge insertion opening. Even the cartridge can be easily taken out by hand.

In the disk drive device of claim (3), even if the loading mechanism stops operating due to a power outage while the cartridge is inserted, the loading mechanism is opened and the cartridge is ejected by the spring force of the ejection spring. I can do it.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a disk drive device according to an embodiment of the present invention, FIG. 2 is an exploded perspective view showing a disk drive device according to a first embodiment of the invention, and FIG. 3 is a perspective view showing the front panel inside. 4 is a plan view showing the front part of the main body, FIG. 5 is a side view showing the driving force transmission system, and FIG. 6 is a disk drive device according to a second embodiment of the present invention. Exploded perspective view, No. 7
Figures (a), (b), and (e) are plan views showing the operation of the cartridge ejection mechanism, respectively. Figure 8 is a sectional view showing the cartridge ejection state. Figure 9 is a third embodiment of the present invention. FIG. 10 (a) is an exploded perspective view showing a disk drive device according to
) and (b) are respectively a plan view and a side view showing the driving force transmission system and its opening means, FIG. 11 is an exploded perspective view showing a disk drive device according to a fourth embodiment of the present invention, and FIG. 12 ( a
), (b), and FIGS. 13(a) and (b) respectively show the driving force transmission system and its release means of the disk drive device ([
A top view, a side view, and FIG. 14 are exploded perspective views showing a disk drive device according to a fifth embodiment of the present invention. 2...Front panel 3...Main unit 4...Optical disc 5...Cartridge 6...Cartridge insertion slot 7a, 7b...Dust door 10...
Door opening/closing rack 13...Door opening/closing lever 14...
- Loading mechanism 15...Base 15a...Protrusion piece 16...Cartridge holder 17...Guide plate
18... Drive motor 19... Drive force transmission system 2
0... Fixed plate 23... Cam lever 25... First
Gear 26...Second gear 27...Fourth gear 27b
...Protruding piece 31...Door opening/closing pin 32...Moving pin 39...Third gear 40...Ejection mechanism (ejection means) 41...Ejecting t<-51,6o...・Gear base 5
3.62...Release lever 55...Ejection spring (biasing means) 62a...Notch part

Claims (3)

[Claims] (1) In a disk drive device that has a loading mechanism for inserting/ejecting a cartridge containing a disk recording medium, and the loading mechanism pulls the cartridge from a cartridge insertion slot to record and reproduce information, the cartridge is inserted into the disk drive device. 1. A disk drive device comprising: a dust-proof door that can be opened and closed; and an opening/closing means that opens and closes the dust-proof door in conjunction with the cartridge ejection operation by the loading mechanism. (2) In a disk drive device having a loading mechanism for inserting/ejecting a cartridge containing a disk recording medium, the loading mechanism pulls the cartridge from a cartridge insertion slot to record and reproduce information; 1. A disk drive device comprising: an ejection means that presses and ejects the cartridge out of the cartridge insertion opening in conjunction with a cartridge ejection operation by the cartridge ejector. (3) In a disk drive device having a loading mechanism for inserting/ejecting a cartridge containing a disk recording medium, the loading mechanism pulls the cartridge from a cartridge insertion slot to record and reproduce information; A driving force transmission system composed of meshing gears that transmits driving force to the
The present invention includes an opening means for opening and disengaging gears of the driving force transmission system to interrupt transmission of driving force to the loading mechanism, and an urging means for applying an urging force to the loading mechanism toward the cartridge insertion side. A disk drive device characterized by: