JPH0441429B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a cartridge loading device for a recording and reproducing apparatus that records information or reproduces recorded information.

BACKGROUND ART Conventionally, this type of cartridge loading device has a structure as shown in FIGS. 5 and 6, as shown in, for example, Japanese Patent Application Laid-open No. 58-108056.

When the cassette 50 is inserted into the cassette storage body 51 as shown by arrow V in FIG. 5, the cassette 50 first comes into contact with the back wall of the cassette storage body 51.
Furthermore, when the cassette 50 is inserted against the insertion direction component force X of the tension spring 54 shown by the arrow The component force Y of the tension spring 54 directed toward the spindle 57 is
As a result, the cassette storage body 51 moves downward in the figure, and the loading of the cassette 50 is completed, resulting in the state shown in FIG. 6a. When arranging the cassette 50, by pushing the slide plate 55 in the direction of arrow W, the slope portion 55a of the slide plate 55 comes into contact with the pin 52 of the cassette storage body 51, and the cassette storage body 51 is moved by the guide plate 53. The cassette storage body 51 moves upward in the figure, and finally returns to its original position due to the component force X of the tension spring 54 in the cassette insertion direction, resulting in the state shown in FIG. 6b, and the ejection operation of the cassette 50 is completed. was.

Problems to be Solved by the Invention However, with this structure, the cassette 5
6a, the guide hole 53a of the guide plate 53 is configured so that the pin 52 can move upwardly. can be moved upward in the figure, and at that time the cassette 5
If the disk rotating in the cassette 50 comes into contact with the inner wall of the cassette 50, the disk will be damaged. Incidentally, in order to eliminate the influence of vibrations or other external forces, it is possible to increase the component force Y of the tension spring 54, but in this case, the impact force when installing the cassette 50 in a predetermined position increases by that amount. Not only does this result in impact noise, but continuous use may also cause damage to the cassette 50. Furthermore, since the cassette 50 is configured to move and eject the cassette storage body 51 by the component force X of the tension spring 54, when inserting the cassette 50, it is inserted against the component force Since the body 51 must also be moved, more insertion force than necessary is required.

Furthermore, when ejecting the cassette 50, the slide plate 55 is directly pushed regardless of the disc rotation state, and the cassette storage body 51 is lifted and ejected by the movement of the slide plate 55. When this is done, there are problems such as the disk coming into contact with the inner wall of the cassette 50, causing damage to the disk, or the inner wall of the cassette 50 being scraped off and its powder adhering to the disk. Further, the pin 52 arranged in the cassette storage body 51 is connected to the guide plate 5 as shown in FIG. 6a.
3, and when the slide plate 55 is pushed vigorously against the component forces X and Y of the tension spring 54, the cassette storage body 51 is suddenly pushed up and There was a problem that the pin 52 would pop out from inside the guide hole 53a due to power, making it impossible to eject the cassette 50.

Therefore, the present invention protects the disk even if vibration or other external force is applied when the cassette is installed, or even if an ejection operation is performed while the disk is rotating.
The object is to provide a stable cassette loading device.

Means for Solving the Problems The technical means of the present invention for solving the above problems includes a cartridge holder for storing a cartridge, and a pin provided on the side surface of the cartridge holder that is inserted and guided. a substrate provided with a guide groove, a first position movably supported by the substrate and where the cartridge is inserted or ejected along the guide groove of the substrate, and a first position where the cartridge is stored in the cartridge; a loading plate that reciprocates to a second position where the loaded disk is rotatably driven; an eject plate that is held in the first position and that allows the cartridge holder to be moved to the second position when the cartridge is inserted; and a direction in which the cartridge holder is moved to the first position. an eject sub-plate capable of biasing the loading plate; and one end of the loading plate is hooked to the eject sub-plate, and the other end of the eject sub-plate is hooked to the loading plate and the eject sub-plate. a first elastic member that is elastically engaged and causes the eject sub-plate to generate the loading plate biasing force through the engagement; a second elastic member that urges the loading plate in a direction to move the cartridge holder to the second position when the cartridge holder is stopped; a third elastic member that biases the eject plate in the cartridge ejecting direction; and a first lock lever that restricts movement of the loading plate in the direction in which the cartridge holder moves to the first position. a second lock lever that locks the eject sub-plate at a position where the loading plate biasing force is generated; and a second lock lever that locks the eject sub-plate in conjunction with cartridge ejection by the eject plate. a release lever for releasing the first
and drive means for rotatably driving the lock lever.

Effect The effect of this technical means is as follows.

That is, when a cartridge is to be installed in the main body of the apparatus, the cartridge is automatically inserted into the cartridge holder in the same manner as in the past. After the cartridge is installed, in the present invention, the movement of the cartridge holder is restricted by a loading plate that engages with a pin provided on the cartridge holder, so even if vibration or other external force occurs, the cartridge will not move. . Furthermore, when ejecting a cartridge, in the present invention, instead of directly pushing the loading plate that drives the cartridge holder, the loading plate is locked in that position by the first lock lever, and the ejection sub-plate is pushed and the first A biasing force is generated by the first elastic member, and after the rotation of the disk is stopped, the lock is released, the loading plate is moved by the biasing force of the first elastic member, and the cartridge is ejected.

As a result, even if vibrations or other external forces are applied when loading the cartridge, or even if there are differences in operation between operators, the disk will not be damaged unlike in the past, and cartridge loading and unloading can be performed stably. .

Embodiment Hereinafter, an embodiment of the present invention will be described based on the accompanying drawings.

In FIG. 1, reference numeral 1 denotes a cartridge that rotatably stores a disk 6 for storing information such as audio, video, or documents, and a rotary drive body 7 for rotating the disk 6 in the center.
A center hole 2 into which a head can be inserted, and a head insertion hole 3 into which a head for recording desired information on the disk 6, reproducing or erasing the recorded information can be inserted. Reference numeral 4 denotes a shutter that opens or closes the center hole 2 and the head insertion hole 3. Normally, the center hole 2 and the head insertion hole 3 are closed as shown in FIG. It prevents 5 is a slider for driving the shutter 4.

Reference numeral 8 houses the cartridge 1 described above, and a second position in which the cartridge 1 is engaged with a loading plate to be described later and the disk 6 is rotationally driven by the rotary drive body 7, and a second position in which the cartridge 1 is inserted and a cartridge holder for moving the cartridge to a first position where ejection is performed;
Two pairs of pins 9 and a protrusion 10 that engages with the slider 5 are provided on opposing sides.

Reference numeral 12 denotes a U-shaped eject plate that engages with the pin 9, holds the cartridge 1 in the first position, restricts movement to the second position, and ejects the cartridge 8 from the main body of the apparatus. A long hole 13 is formed in a guide shaft 41 disposed on the substrate 40, and a long hole 14 is formed in a guide shaft 42 so as to be slidable in the cartridge insertion direction on a substrate 40 having bottom plates at both ends of the bottom surface. It is inserted and supported, and is constantly biased in the cartridge ejection direction by a third elastic member 18 made of a tension spring or the like. The guide shaft 41 is connected to the eject plate 12 and the loading plate 2 described later.
0 in the cartridge insertion direction, and the guide shaft 42 is also used to regulate the eject plate 12 and loading plate 20 in the height direction. The elongated hole 14 is formed continuously from the side surface to the bottom surface as shown in FIG. 1, and the elongated hole 14 on the bottom surface side is configured to be insertable into the guide shaft 42. Therefore, the substrate 4 of the eject plate 12
0 is attached to the eject plate 12.
This can be easily done by simply inserting it downward in the figure. Before the cartridge 1 is inserted, the cartridge holder 8 described above is supported at the first position by sliding the pin 9 on the sliding surface 15 of the eject plate 12, and the cartridge 1 is held in the first position.
When the cartridge 1 is inserted, the cartridge 1 comes into contact with the wall 17 and the eject plate 12
Since the pin 9 is slid in the direction of arrow A, the pin 9 is released from sliding contact with the sliding surface 15, and becomes movable in the direction of arrow C, and the restriction on movement to the second position is released. Although the sliding surface 15 is formed at a plurality of locations facing the pin 9, it is sufficient to have at least one location. Note that the cartridge holder 8 is
The pin 9 is inserted into a guide groove 11 provided opposite to both side plates of the board 40, and the guide groove 11 restricts the movement of the cartridge in the insertion direction, so that the cartridge can be moved in the direction of arrow C and arrow D. You will be guided around. The upper part of the guide groove 11 in the figure is opened so that the pin 9 of the cartridge holder 8 can be inserted from above. Reference numeral 20 denotes a U-shaped loading plate that drives the cartridge holder 8 from the first position to the second position or from the second position to the first position, and the elongated hole 21 is It is supported by the guide shaft 41 so that it can move in the cartridge insertion direction by inserting the long holes 22 into the guide shaft 42, and is supported in the cartridge ejection direction (arrow B) by a second elastic member 26 made of a tension spring or the like. direction). The elongated hole 22 is formed continuously to the bottom surface like the elongated hole 14 of the eject plate 12 described above, and is also formed in the loading plate 2.
0 can be movably attached to the board 40 by simply inserting it downward in the figure. Reference numeral 23 designates a guide hole that engages with the pin 9 of the cartridge holder 8 to drive and guide the cartridge holder 8 and is inclined downward with respect to the cartridge insertion direction, and is formed by an inclined surface 23a and an inclined surface 23b. One end is opened so that a pin 9 of the cartridge holder 8 can be inserted from above. Reference numeral 25 designates a locking pawl that projects into the inside of the hole 26, and engages with a first locking lever 38, which will be described later, to lock the loading plate 20 onto the substrate 40 and restrict its movement in the direction of arrow A. 24 is a wall that is bent upward and downward in the drawing. Reference numeral 28 designates an eject sub-plate for moving the loading plate 20 in the direction of arrow A, and the eject sub-plate is supported so that it can be moved in the cartridge insertion direction by passing through a long hole 29 through a guide shaft 43 provided on the board 40. The wall 24 of the loading plate 20 and the protrusion 31 are brought into contact with each other by a first elastic member such as a tension spring, thereby elastically engaging with the loading plate 20. A second lock lever 32 is rotatably supported on the eject sub-plate 28 about a rotation shaft 33, and a lock pin 3 fixed to the second lock lever 32 is supported on the eject sub-plate 28.
4 is engaged with a lock claw 46 protruding into the hole 47 of the substrate 40 to lock the eject sub-plate 28 onto the substrate 40, thereby restricting movement of the eject sub-plate 28 in the direction of arrow B. do. The second lock lever 32 is biased in the direction of arrow E by a tension spring 35. Reference numeral 49 is a push button made of, for example, ABS resin, and is integrally attached to the eject sub-plate 28. 36 is an L-shaped release lever that rotates the second lock lever 32 in the direction of arrow F to unlock the eject sub-plate 28; freely supported. The release lever 36 is rotated by a pin 19 disposed below the eject plate 12. 38 locks the aforementioned loading plate 20 onto the substrate 40.
The lock lever is rotatably supported around a rotation shaft 44 provided on the base plate 40, and is loaded by engaging the lock pin 39 with the lock pawl 25 of the loading plate 20. The movement of the plate 20 in the direction of arrow A is restricted.
Reference numeral 60 denotes a driving means comprising, for example, an electrically driven solenoid, which rotates the first lock lever 38 to engage the lock pin 39 with the lock pawl 25 and maintains this state.
The structure is such that the current is applied when the cartridge 1 moves to the second position, and the current is stopped when the rotary drive body 7 stops. Although the driving means 60 is energized (not shown), the cartridge 1,
Alternatively, the current may be applied by detecting the movement of the cartridge holder 8, or the current may be applied by detecting the movement of the loading plate 20. Substrate 40
A hole 48 provided in the eject sub-plate 28 and a long hole 30 provided in the eject sub-plate 28 allow the lock pawl 39 of the first lock lever 38 to be inserted into the hole 26 of the loading plate 20.

Next, the loading and unloading operations of the cartridge will be explained.

When the cartridge 1 is inserted into the cartridge holder 8 in the direction of arrow A as shown in FIG.
The protrusion 5a of the slider 5 contacts the protrusion 10.
As the cartridge 1 is further inserted, since the insertion of the slider 5 is restricted by the protrusion 10, the shutter 4 begins to move, and the center hole 2 and head insertion hole 3 are opened accordingly. Next, the cartridge 1 comes into contact with the wall 17 of the eject plate 12. Further, when the cartridge 1 is inserted against the biasing force of the third elastic member 18, the eject plate 12 moves in the cartridge insertion direction (arrow A direction) along the guide shaft 41, and finally the cartridge holder 8
The sliding surface 15 of the pin 9 and the eject plate 12
The sliding contact with the product is removed. At this time, the center hole 2 and the head insertion hole 3 are completely open, and it is possible to insert the rotary drive body 7 or a clamper (not shown) for holding the head and disk 6 in the rotary drive body 7. Become. When the sliding contact between the cartridge holder 8 and the sliding surface 15 of the eject plate 12 is removed, the loading plate 20 is moved toward the guide shaft 41 by the biasing force of the second elastic member.
At the same time, the cartridge holder 8 is moved in the direction of arrow C along the guide groove 11 of the substrate 40 to the second position. Thereafter, the cartridge 1 is installed on a positioning post (not shown) provided on the main body of the apparatus, the mounting of the cartridge 1 is completed, and the disk 6 is rotatably held by the rotary drive body 7. still,
At this time, since the eject sub-plate 28 is also elastically engaged with the loading plate 20 by the first elastic member 37, the eject sub-plate 28 is also elastically engaged with the loading plate 20.
0 along the guide shaft 43 in conjunction with the movement of arrow B.
move in the direction. Cartridge holder 8 is the second
When the lock lever 38 is moved to the position shown in FIG.
The locking pin 39 is engaged with the locking pawl 25 of the loading plate 20. Even if vibration or other external force occurs at this time,
The loading plate 20 is locked onto the substrate 40 by the first locking lever 38, and the loading plate 20 itself does not move in the direction of arrow A. Further, the cartridge holder 8 is also prevented from moving in the direction of arrow D by the inclined surface 23b of the guide hole 23 that engages with the pin 9, and unless the loading plate 20 is unlocked, the cartridge holder 8 will not move in the direction of the arrow D. It does not move in the D direction. Therefore, even if vibrations or other external forces occur, the cartridge 1 will not move, and the disk 6 will not come into contact with the inner wall of the cartridge 1 and be damaged. Figure 2a shows the loading plate 8 and eject sub-plate 2 at that time.
8 is shown. At this time, the push button 49 of the eject sub-plate 28 is arranged in front of the board 40 to facilitate manual operation.

To eject the cartridge 1, push the push button 49 in the direction of arrow A against the biasing force of the first elastic member 37, as shown in FIG. Moving. When the ejector sub-plate 28 moves, the second lock lever 32 moves as shown by the arrow F because the lock pin 34 slides on the inclined surface 46a of the lock pawl 46 of the board 40.
rotated in the direction. When the push button 49 is further pressed, the engagement between the lock pin 34 and the inclined surface 46a is disengaged, and the second lock lever 32 is rotated in the direction of arrow E by the elastic member 35 made of a tension spring or the like, as shown in FIG. As shown in the figure, the lock pin 34 is engaged with the lock claw 46, and the eject sub-plate
is locked onto the substrate 40. The state at that time is the second
Shown in Figure b. As shown in FIG. 2b, the loading plate 20 is locked onto the substrate 40 by the first locking lever 38, and the ejecting sub-plate 28 is locked onto the substrate 40 by the second locking lever 32, so that the first elastic member 37 Due to the urging force of , there is a force acting on both of them to try to approach each other. The first elastic member 37 is set to have a larger biasing force than the second elastic member 27. When the push button 49 is pressed and the eject sub-plate 28 is locked by the second lock lever 32, the rotation of the rotary drive body 7 is stopped. The stop signal to the rotary drive body 7 may be sent, for example, by detecting the movement of the eject sub-plate 28 using a micro switch or the like (not shown). At the same time as the rotation of the rotary drive body 7 completely stops, the power supply to the drive means 60 is stopped, so the first lock lever 38 is rotated in the direction of arrow I by the biasing force of the first elastic member 37, and the lock pin is rotated. 39 and the lock pawl 25 are disengaged. Then, the restriction on the movement of the loading plate 20 in the direction of arrow A is released, and the loading plate 20 is moved by the urging force of the first elastic member 37 until the wall 24 comes into contact with the protrusion 31 of the eject sub-plate 28. do. At this time, the inclined surface 23a of the guide hole 23 of the loading plate 20 comes into contact with the pin 9 of the cartridge holder 8, and the cartridge holder 8 is pushed up in the direction of arrow D by the guide groove 11 and moved to the first position. do.
Then, the wall 16 of the eject plate 12 disengages from the pin 9, and the eject plate 12 moves in the direction of arrow B due to the urging force of the third elastic member 18 to eject the cartridge 1. At the same time, the release lever 36 is rotated in the direction of arrow G by the pin 19 provided on the eject plate 12, as shown in FIG. When the release lever 36 is rotated, the second lock lever 32 is rotated in the direction of arrow F, so that the lock pin 34 and the lock pawl 46 are disengaged and the eject sub-plate 28 can be moved in the direction of arrow B. After that, the cartridge holder 8
When the cartridge 1 is pulled out further, the shutter 4 closes the center hole 2 and the head insertion hole 3 again as shown in FIG. prevent.

Effects of the Invention As described above, the present invention automatically mounts the cartridge in the main body of the apparatus simply by inserting the cartridge into the cartridge holder, and after mounting, locks the loading plate that drives the cartridge onto the substrate, and Since the guide hole is configured to restrict the cartridge from floating up, the disk will not come into contact with the inner wall of the cartridge while the disk is rotating even if vibration or other external force occurs. Furthermore, when ejecting a cartridge, the loading plate that drives the cartridge holder is not pushed directly; instead, the loading plate is locked onto the board, and the ejector is elastically engaged with the loading plate by an elastic member. By pushing the sub-plate, the eject sub-plate is locked to the board, and after the disk rotation has stopped, the loading plate is unlocked, and the loading plate is moved by the urging force of the elastic member to lift the cartridge holder. , the disk will not be damaged when the cartridge is ejected, or the inner wall of the cartridge will not be scraped off.
Furthermore, no matter how the eject sub-plate is pushed, the eject sub-plate does not directly drive the cartridge holder, so there is no problem with the cartridge ejecting operation.

It also has the following effects.

That is, in the present invention, the guide hole of the loading plate that drives the cartridge holder is tilted so that the pin of the cartridge holder slides on the sloped surface, so that the cartridge can be rapidly lowered and mounted on the mounting body. Because it will not be done,
It does not make any impact noise or damage the cartridge during installation. In addition, eject sub plate loading plate,
Since the eject plate and the like can all be attached from one direction, assembly is extremely easy.

Therefore, according to the present invention, it is possible to provide a loading device that is easy to assemble and has high reliability, and it is also possible to always provide a good disk condition.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of a cartridge loading device showing an embodiment of the present invention, FIG. 2 is a plan view showing the operating state of the device, and FIG.
4 is a perspective view showing the operating state of the second lock lever of the device, FIG. 5 is an exploded perspective view of the conventional cartridge loading device, and FIG. 6 is the same. FIG. 3 is a side view showing the mounting operation of the device. 1... Cartridge, 6... Disk, 8...
Cartridge holder, 9...pin, 11...guide groove, 12...eject plate, 18...
Third elastic member, 20...Loading plate, 27...Second elastic member, 28...Eject sub-plate, 32...Second lock lever,
36...Release lever, 37...First elastic member,
40...Substrate.

Claims (1)

[Scope of Claims] 1. A cartridge holder for storing a cartridge, a substrate provided with a guide groove for inserting and guiding a pin disposed on a side surface of the cartridge holder, and a cartridge movably supported by the substrate, and reciprocating the cartridge holder along the guide groove of the substrate to a first position where the cartridge is inserted or ejected and a second position where a disk stored in the cartridge is rotationally driven. a loading plate, which is movably supported by the substrate to eject a cartridge stored in the cartridge holder, and to hold the cartridge holder at the first position; an eject plate that can move the cartridge holder to the second position; an eject sub-plate that can bias the loading plate in a direction that moves the cartridge holder to the first position; is hooked to the loading plate and the other end is hooked to the eject sub-plate, thereby elastically engaging the loading plate and the eject sub-plate, and through this engagement, the eject sub-plate a first elastic member that generates a biasing force of the loading plate by a plate; and a direction in which the cartridge holder is moved to the second position by being hooked at one end to the loading plate and at the other end to the substrate. a second elastic member that urges the loading plate; and a third elastic member that is hooked at one end to the eject plate and at the other end to the substrate and urges the eject plate in the cartridge ejecting direction. a first lock lever that restricts movement of the loading plate in a direction in which the cartridge holder moves to the first position; and a first lock lever that moves the eject sub-plate to a position where the loading plate biasing force is generated. a second lock lever that locks the eject sub-plate; a release lever that unlocks the eject sub-plate by the second lock lever in conjunction with ejection of the cartridge by the eject plate;
A cartridge loading device comprising: drive means for rotatably driving a lock lever of the cartridge. 2. A first lock lever is rotatably attached to the board, a lock pawl is provided on the loading plate to engage with a lock pin provided on the first lock lever, and the loading plate moves to move the cartridge holder to the second lock lever. If you move it to the position of
2. The cartridge loading device according to claim 1, wherein the lock pin of the first lock lever and the lock pawl of the loading plate are engaged with each other. 3. A second lock lever is rotatably attached to the eject sub-plate, and a lock pawl is provided on the board to engage with a lock pin provided on the second lock lever, so that the cartridge holder can be moved to the second position by moving the loading plate. When the loading plate is held in position and the position of the loading plate is regulated by the first locking means, as the ejector sub-plate is moved, the lock pin of the second lock lever and the lock pawl of the board are brought into contact with each other. When engaged, the ejection sub-plate is restricted from moving in the cartridge ejection direction, and the first elastic member urges the loading plate in a direction to move the cartridge holder to a first position. A cartridge loading device according to claim 1, characterized in that it is configured as follows. 4. The eject sub-plate is provided with a protrusion that protrudes toward the loading plate, the loading plate is provided with a wall that abuts the protrusion and restricts movement of the eject sub-plate in the cartridge ejection direction, and the first elastic 2. The cartridge loading device according to claim 1, wherein the loading plate and the eject sub-plate are configured to move integrally through a member. 5. An elastic member is provided that has one end hooked to the eject sub-plate and the other end hooked to a second lock lever to urge the second lock lever toward the lock claw side of the board, and inserts the eject sub-plate into the cartridge. When moving in the direction, the second
4. The cartridge loading device according to claim 3, wherein the lock lever and the lock pawl of the base plate are configured to automatically engage with each other. 6. The release lever is formed into a substantially L-shape, and the eject plate is provided with a pin that engages with one end of the release lever to rotate the release lever, and the other end of the release lever is connected to a second lock lever. The release lever is rotated by the movement of the eject plate in the cartridge ejecting direction, and the second lock lever is rotated by the rotation, whereby ejection by the second lock lever is performed. 2. The cartridge loading device according to claim 1, wherein the cartridge loading device is configured to release restriction on movement of the sub-plate. 7. The drive means is constituted by a solenoid, and the first lock lever is rotated by the suction force of the solenoid, and the lock pin of the first lock lever is engaged with the lock pawl of the loading plate. A cartridge loading device according to claim 2.