JPH01140465A - Disk cartridge loading device - Google Patents

Abstract

PURPOSE:To simplify composition, to reduce the number of composing parts, and to facilitate the assembling of the title device by executing the injection and the ejection of a disk cartridge by driving one rotary actuator. CONSTITUTION:An injecting member 21 is driven by the actuation of a gear motor 22 as the rotary actuator based on a detecting signal generated from a disk cartridge inserting detecting means 29, and the injecting timing of a disk cartridge 51 is composed. Thereafter, while the disk cartridge 51 is loaded in a recording and reproducing position, the ejection of the disk cartridge 51 is executed by driving a rotary actuator 22 actuated continuously. Thus, the composition can be simplified, the number of the composing parts can be reduced, and the assembling of the device can be executed easily.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a mounting device for a disk cartridge containing a recording/playback medium in a recording/playback device, and more specifically to a device for automatically mounting and ejecting a disk cartridge. The present invention relates to a possible disc cartridge mounting device.

[Prior Art] A typical example of a conventional disk cartridge mounting device that has been put to practical use is one having a structure as shown in the Utility Model Publication No. 61-121558. The main mechanism of the cartridge mounting device is operated by a gear motor, and the operating energy required for mounting the disk cartridge is stored by the operation of the gear motor and locked by a locking member, and the disk cartridge is manually inserted to the required position. When the lock is released and the actuation energy is used,
The disk cartridge loading device is designed to automatically load a disk cartridge, and the operating structure of this disk cartridge loading device is entirely composed of mechanical mechanisms and has a complicated configuration.

Furthermore, in one example of the two embodiments described in the other embodiments, when the disk cartridge is automatically loaded, the drive is basically driven by a gear motor, and the gear motor is driven just before the end of the operation. drive is open.

On the other hand, in another example, when a disk cartridge is automatically loaded, the drive is basically driven by a gear motor, and in either embodiment, the operating configuration of the disk cartridge loading device is complicated. It was composed of mechanisms.

[Problem to be Solved by the Invention 1] As mentioned above, in the conventional technology, although the main mechanism is operated by a gear motor, it is operated by configuring a complicated mechanical mechanism, and the component parts are Due to the large number of discs and the complicated structure, if the mechanism becomes inoperable for some reason, the recording/reproducing device itself becomes unusable, and it becomes difficult to eject the installed disc cartridge. In addition, the disc cartridge mounting device was expensive because it had many components and had a complicated structure, making it complicated to assemble.

Therefore, the present invention is intended to solve these problems, and its purpose is to make maximum use of the operation of the actuator that operates the main mechanism, without configuring a complicated mechanical mechanism. structure to reduce the number of components,
Furthermore, the present invention provides an inexpensive and highly reliable disk cartridge mounting device that is easy to assemble and is trouble-free.

[Means for Solving the Problems] The disk cartridge mounting device of the present invention includes: A. receiving a disk cartridge containing a recording/reproducing medium;
a cartridge holder having a means capable of raising and lowering the disc cartridge between an insertion/extraction position and a recording/reproducing position, and provided with a descending habit; an elevating means that is given a descending behavior; C0 locks the descending behavior of the elevating means; detects that the disk cartridge is inserted into a predetermined position in the cartridge holder; and locks the descending behavior of the elevating means; D. Disc cartridge insertion detection means for detecting that the disc cartridge is inserted into a predetermined position in the cartridge holder, and based on a detection signal from the disc cartridge insertion detection means; E, a rotary actuator that operates and is controlled to stop one rotation;
an inject member whose lock is released by actuation of the actuator and is driven by the elastic force of the spring;
a hook arm that is biased and displaced by biasing means to engage the disk cartridge; G, mounted on the output means of the rotary actuator;
a rotary cam comprising an actuating section configured to operate the elevating means and the inject member in a predetermined phase, wherein the inject member is driven by approximately half a rotation of the rotary cam; The disk cartridge, which is engaged by the hook arm, is installed in the recording/reproducing position, and the elevating means is driven by the remaining half-rotation to eject the disk cartridge to the insertion/extraction position. characterized by things.

[Production] According to the above configuration of the present invention, the injection member is driven by the operation of the rotary actuator based on the detection signal emitted from the disk cartridge insertion detection means, and the injection timing of the disk cartridge is configured. , the disc cartridge is ejected by driving the rotary actuator that operates continuously when the disc cartridge is installed in the recording/reproducing position, and the disc cartridge is injected and ejected by driving one rotary actuator. It is something.

[Example] Figures 1, 2, 3, 4, and 5 to 11
The figure shows one of the most suitable embodiments of the disk cartridge mounting device of the present invention.

¥S1 Figure is a schematic plan view of the disc cartridge mounting device of the present invention, Figure 2 is a schematic front sectional view of the disc cartridge mounting device of the present invention, and Figure 3 is a perspective view of a disc cartridge used in the disc cartridge mounting device of the present invention. FIG. 4 is a back view of a disk cartridge used in the disk cartridge mounting device of the present invention.

FIGS. 5 to 11 are diagrams for explaining the operation of the disk cartridge mounting device of the present invention.
The main parts are shown in cross-section from the viewing direction, and the fifth
The figure is a standby state diagram, Figure 6 is an operation start diagram, Figure 7 is an auto injection operation diagram, Figure 8 is an auto loading operation diagram, Figure 9 is an auto unloading operation diagram,
Fig. 0 is an auto-ejection operation diagram, and Fig. 11 is an operation completion diagram.

This embodiment is applied to a disk cartridge mounting device used, for example, in a flexible disk drive device, and will be explained with reference to a disk cartridge known as a microfloppy.

First, a general outline of a disk cartridge containing a recording medium used in the disk cartridge mounting device of the present invention will be explained based on FIGS. 3 and 4.

FIG. 3 is a perspective view of a disc cartridge used in the disc cartridge mounting device of the present invention, and FIG. 4 is a back view of the disc cartridge used in the disc cartridge mounting device of the present invention.

The disk cartridge 51 rotatably accommodates a recording/reproducing medium 53. A metal hub 54 is fixed to the center of the recording/reproducing medium 53, and as shown in FIG. The hub 54 is arranged so that the rotational driving force is transmitted to the hub 54 for recording and reproduction.

Head windows 58 formed on both sides of the disk cartridge 51 are arranged on both sides of the disk cartridge 51.
It is configured to be opened and closed by a shutter 59 that is slidably held at 1 and is biased to slide in a predetermined direction.

Further, guide holes 60 for positioning are provided on the back surface of the disk cartridge 51 so as to be located on both sides of the shutter 59, and furthermore, near the guide holes 60, there are provided guide holes 60 for positioning in the recording/reproducing device. Engagement recesses 51a and 51b are provided for engaging and being driven by a certain driving means.

The disc cartridge mounting device for mounting the disc cartridge 51 as described above will be explained below.

First, one embodiment of the disk cartridge mounting device of the present invention will be described in its entirety with reference to FIGS. 1 and 2.

FIG. 1 is a schematic plan view of a disc cartridge mounting device of the present invention, and FIG. 2 is a schematic front sectional view of the disc cartridge mounting device of the present invention. Each section shows a different position.

The main shaft motor 2, which has a chucking means 2a for chucking the metal hub 54 formed at the center of the recording/reproducing medium 53 described above and transmitting rotational driving force, is configured in a substantially U-shape as shown in FIG. It is arranged approximately in the center of the chassis 1.

It is configured such that the main shaft motor 2 can be faced, has bent portions 3a along both side surfaces of the chassis 1, and is slidable in the cross-sectional direction of FIG. 2 (directions of arrows 41 and 42 shown in FIG. 1). The guided cover 3 has a cam portion (not shown in FIGS. 1 and 2), which will be described in detail later, formed in the bent portion 3a, and guides the insertion of the disk cartridge 51 and also guides the insertion of the disk cartridge 51. The cartridge holder 4 has disk cartridge holding parts 4a having a U-shaped cross section on both sides for holding the cartridge 51, and is constructed of means that can be raised and lowered in the vertical direction as shown in FIG. 2, and is driven by the operation of the cam part of the lifter 3. As mentioned above, it is slidably guided in the cross-sectional direction of FIG. 2, and has a tendency to move in the direction of the arrow 42 shown in FIG. (not shown in Figure 2).

Then, the movement habit is imparted and the operation of the lid 3 is
As shown in FIG. 1, the trigger means has a fulcrum 5a related to the chassis 1, is rotatable, is biased to rotate in a predetermined counterclockwise direction (not shown), and engages with the lifter 3. The structure is such that movement is restricted by a trigger 5.

That is, the lid 3, which has a tendency to move in the direction of the arrow 42 shown in FIG. 1, is provided with an engaging protrusion 3d as shown in FIG. 2, and the position of the engaging protrusion 3d will be explained as follows. (3d
), and the engaging protrusion 3d is structured to restrict rotation of the trigger 50.

■ When the lifter 3 moves in the direction of the arrow 41, the contact relationship with the engagement piece 5b of the trigger 5, which is rotationally biased in the predetermined direction of counterclockwise rotation mentioned above, is released. The trigger 5 is in the position shown in (3D), and the trigger 5 is configured to be rotatable in a counterclockwise direction.

The structure is such that when the trigger 5 rotates counterclockwise, the disk cartridge 51 in the cartridge holder 4 is ejected in the direction of the arrow 42.

The lifter 3 and the trigger 5 configured in the above relationship
In this relationship, the engaging protrusion 3d is given the habit of moving in the direction of the arrow 42 shown in FIG. 1, and the lid 3 (not shown in FIG. 1) is in the state (3d) shown in FIG. When the trigger 5 is pushed in the direction of the arrow 41 to the state (3D), the trigger 5 rotates counterclockwise while ejecting the disk cartridge 51 in the cartridge holder 4 in the direction of the arrow 42.

At this time, the engaging piece 5b of the rotating trigger 5 rotates around the position (3D) shown in FIG. It comes into contact with the mating protrusion 3d, imparts a movement habit in the direction of the arrow 42 shown in FIG. 1, and restricts the movement (return) of the lid 3.

On the other hand, when the disk cartridge 51 is inserted into the cartridge holder 4 in the direction of the arrow 41, the trigger 5 is pushed by the disk cartridge 51 and the engaging protrusion 3d and the engaging piece 5b slide in the direction indicated by the arrow 41.
When it is detected that the disk cartridge 51 has been inserted to a predetermined position, the engagement projection 3d and the engagement piece 5b are released from sliding contact, and the lifter 3 is rotated to a predetermined position. There is no structure in place to lift restrictions on the movement of people.

Expanding the explanation including the operating state, the cartridge holder 4 shown in FIG. The lifter 3 is engaged with a cam section 3a, and has a structure in which the movement behavior of the lifter 3 is changed by the cam section and a descending behavior is imparted.

In other words, the lifter 3 raises and lowers the cartridge holder 4 through the cam part formed on the bending part 3a, and the above-mentioned given movement behavior is the descending behavior of the cartridge holder 4! It is a means for raising and lowering the cartridge holder 4.

Further, the trigger 5 as the aforementioned trigger means regulates the lowering of the cartridge holder 4 via the lifter 3, and regulates the movement of the lifter 3, that is, the lowering behavior of the cartridge holder 4. When the disk cartridge 51 is inserted into the cartridge holder 4 in the direction of arrow 41, it is rotated to a predetermined position by the disk cartridge 51, and it is detected that the disk cartridge 51 has been inserted to the predetermined position. The movement restriction of the lifter 3, that is, the downward movement behavior of the cartridge holder 4 is released.

With the above-described structure, when the disk cartridge 51 is inserted into the cartridge holder 4 to a predetermined position, the cartridge holder 4 in the receiving position of the disk cartridge 51 shown in FIG. It is lowered until it is placed on a chucking means 2a formed as a part of the motor 2, and the lowered position becomes the recording/reproducing position.

On the other hand, as shown in FIG. 1, the shutter opening/closing lever 6, which is rotatable by forming a pivot point 6a on the cartridge holder 4, is slidable on the disk cartridge 51 described above in FIGS. 3 and 4. It has a pin 6b that comes into contact with an end 59a of the shutter 59 held and biased to slide in a predetermined direction to open and close the shutter 59, and a spring 7
is biased to rotate in a predetermined direction.

In the state shown in FIG. 1, the disk cartridge 51 is inserted to a predetermined position, and the shutter opening/closing lever 6 contacts and rotates the end 59a of the shutter 59 shown in FIG. 3 to move the shutter 59. The above-mentioned head window 58 is in an open state.

Then, a head (not shown) mounted on a carriage 9 that moves in the directions of arrows 41 and 42 as a result of the articulated drive of the step motor 8 approaches the recording/reproducing medium 53 through the head window 58 and performs recording/reproducing. It is something.

Note that IO is a control circuit board that controls the entire recording/reproducing apparatus.

Next, a more specific explanation regarding the disc cartridge mounting device of the present invention will be developed.

Referring to FIG. 1, an actuator is provided at the rear of the chassis 1 as an actuator that operates the lifter 3 to auto-eject the disk cartridge 51 and also operates the injection member 21 that injects the disk cartridge 51. The gear motor 22, which is a rotary actuator, is equipped with a rotary cam 23 on its output shaft as a means for operating the elevating means for the injection member 21 and the cartridge holder 4 described above.
rI! i~! The driving described below based on FIG. 11 is performed.

5 to 11 are diagrams for explaining the operation of the disk cartridge loading device of the present invention, and are sectional views of the main parts thereof from the P view direction of FIG. 1, and FIG. 5 is a standby state. Figure 6 is the operation start diagram, Figure 7 is the auto-injection operation diagram, Figure 8 is the auto-loading operation diagram,
FIG. 9 is an auto-unloading operation diagram, FIG. 10 is an auto-ejection operation diagram, and FIG. 11 is an operation completion diagram.

The structure will be explained based on the standby state diagram of FIG. 5, and common structural explanations will be omitted in FIGS. 6 to 11, and the explanation will focus on the operation explanation.

FIG. 5 shows a state in which the disk cartridge 51 described above is manually inserted, and shows a standby state just before injection.

In FIG. 5, the injecting member 21 for injecting the disc cartridge 51 has a slot 21.
a, and engages with, for example, two bins 24 disposed on the chassis 1 described above as shown in FIG.
is guided by the slot 21a, and has a fulcrum 21b at one end.
An engagement recess 51a is disposed in the disk cartridge 51 described above in FIG. 4 and is engaged with and driven by a driving means provided in the recording/reproducing apparatus.

51b, in this configuration, it is a member that engages with the engagement recess 51a to drive and inject the disc cartridge 51, and has a desired member at one end for engaging with the engagement recess 51a of the disc cartridge 51. It has a hook portion 25a consisting of a slope 25b and a slope 25c having an angle of
As shown in FIG.
The cartridge holder 4 has disk cartridge holding parts 4a having a U-shaped cross section on both sides, and is configured by means that can be raised and lowered in the vertical direction as shown in FIG. 2, and is driven by the operation of the cam part of the lifter 3. The hook arm 25 is configured to face the disk cartridge holding portion 4a side through the side surface of the hook arm 25, and rotatably supports a hook arm 25 made of, for example, an elastic plastic material having some elasticity.

On the other hand, a torsion coil spring 26, which is rotatably engaged with a part of the inject member 21, is similarly rotatably engaged with the other end of the hook arm 25, and the fulcrum 21b In the state shown in FIG. 5, the hook arm 25 is moved in the direction indicated by arrow 4.
It is biased to rotate in four directions.

The injection member 21 is urged in the direction of the arrow 41a by, for example, a coil spring 27 stretched between the injection member 21 and the chassis 1 described above.

In addition, the above-mentioned injection member 21. hook arm 25
．． The torsion coil spring 26 is integrally urged in the direction of the arrow 41a by the coil spring 27, and forms a driving means for injecting the disk cartridge 51.

Next, the above-mentioned cartridge holder 4. The lifter 3 and trigger 5 (not shown in FIGS. 5 to 11) will be explained.

First, it has disk cartridge holding parts 4a having a U-shaped cross section on both sides for guiding the insertion of the disk cartridge 51 mentioned above and holding the disk cartridge 51, and is configured by means that can be raised and lowered in the vertical direction as shown in FIG. As shown in FIG. (direction of insertion of the disk cartridge 51 from the vicinity, direction of arrow 41)
The bending portion 4b is formed by the torsion coil spring 26 as shown in the arrow 4.
It comes into contact with the hook arm 25 which is urged to rotate in four directions, restricts the rotation of the hook arm 25, and opens an insertion passage for manually inserting the disk cartridge 51 into the cartridge holder 4.

On the other hand, the cartridge holder 4 described above in FIGS. 1 and 2. Regarding the relationship between the lifter 3 and the trigger 5, see
We will now explain in detail the points in which the explanations in FIGS.

First, as described above with reference to FIGS. 1 and 2, the chassis l has bent portions 3a along both sides, and is slidably guided in the directions of arrows 41 and 42 shown in FIG. The lifter 3 shown by the chain chain line has a cam part 3b formed of a key-shaped groove in the bent part 3a, and the cam part 3b is constructed of the above-mentioned means that can be raised and lowered in the vertical direction as shown in FIG. The cartridge holder 4 is engaged with a convex portion 4C of the cartridge holder 4, and the cartridge holder 4 is structured to follow the operation of the cam portion 3b of the lifter 3.

The lifter 3 is given a movement habit in the direction of the arrow 42a by, for example, a coil spring 28 stretched between it and the chassis 1 described above, and this movement habit is shown in FIG. 1 and is related to the chassis 1 described above. It is moved by a trigger 5 as a trigger means, which has a fulcrum 5a, is rotatable, is biased to rotate in a predetermined direction (not shown), and has an engaging piece 5b that comes into contact with the aforementioned engaging protrusion 3d of the lifter 3. regulated.

Expanding the explanation including the operating state, the cartridge holder 4 shown in FIG. The cartridge holder 4 is engaged with a cam portion 3b configured as shown in FIG.
When the lifter 3 moves in the 42 direction, it moves (raises and lowers) according to the cam shape of the cam portion 3b, and the I of the lifter 3
's! /J The structure is such that a descending habit is given by converting the habit.

Next, as described above, the cover 3 is operated to auto-eject the disc cartridge 51, and
The aforementioned rotating cam 23 provided on the output shaft of the gear motor 22 as an actuator for operating the injecting member 21 that injects the disk cartridge 51 will be explained.

The rotary cam 23 has a protrusion 23a on one surface of the disk shape as shown in FIG.
A cam portion 23b is configured to have a predetermined phase with the projection portion 23a and has a predetermined phase with the projection portion 23a, and has, for example, self-lubricity. Constructed of a plastic material with good wear resistance.

In FIG. 5, the rotating cam 23 is shown in a stopped state, but
It has a structure that rotates in the direction of arrow 47 by the rotation of the gear motor 22.

Therefore, the operational relationship due to the rotation of the rotary cam 23 will be explained.

The sliding relationship between the protrusion 23a and the above-mentioned inject member 21 is such that the effective sliding distance is set to a half rotation of one revolution of the rotary cam 23, as shown in FIG. The stopped state of the rotating cam 23 is achieved by pushing the injecting member 21 back in the direction of the arrow 42a against the elastic force of the coil spring 27 stretched between the injecting member 21 and, for example, the chassis l. It is in a stopped state.

On the other hand, the sliding relationship between the cam portion 23b and the sliding contact piece 3c extending from the lid 3 is as follows. As shown in Figures 1 and 5, the effective sliding distance is set by a fraction of one revolution of the rotary cam 23, and the stopped state of the rotary cam 23 in Figure 5 corresponds to the above-mentioned lift. 3 and, for example, the chassis 1, the lifter 3 is pulled back in the direction of the arrow 41a against the elastic force of the coil spring 28 and stopped,
In the stopped state, the trigger 5, which is rotatable with a fulcrum 5a related to the chassis 1 shown in FIG. It is regulated.

Note that, as a matter of course, when the lifter 3 is pulled back in the direction of the arrow 41a and stopped, the cartridge holder 4 is moved by the cam portion 3 formed on the bent portion 3a of the lifter 3.
b, and moves (raises) according to the cam shape of the cam portion 3b.

Next, the timing relationship of the operations will be explained in accordance with the order of operations based on FIG.

The disk cartridge insertion detector 29 inserts the disk cartridge 5 into a predetermined position in the cartridge holder 4.
1 is a detection means that detects manual insertion and issues a start command to the aforementioned gear motor 22 based on the M detection signal, and is composed of, for example, a microswitch consisting of mechanical contacts, a photo sensor, a magnetic sensor, etc. This is possible, and can be mounted on the control circuit board 10 that controls the entire recording/reproducing apparatus shown in FIG. 1 and described above.

When the gear motor 22 starts, the disk cartridge 51 is auto-injected, and then lowered to a predetermined position and installed (this operation will be described in detail later). Disk cartridge attachment detection t#30 is arranged to detect that the disk cartridge 51 has been auto-injected, descended to a predetermined position, and been attached, and issues a command to stop the gear motor 22, for example, from a mechanical contact point. It can be configured with microswitches, photosensors, magnetic sensors, etc., and is connected to the control circuit board 10 shown in FIG. 1 and controlling the entire recording/reproducing apparatus described above.

Then, the gear motor 22 rotates approximately half a turn based on a command signal issued from the disk cartridge attachment detector 30 and then stops.

The gear motor 22 can be started based on a command signal from a device other than the recording/reproducing device even when the disk cartridge attachment detector 30 is in operation. to start.

The gear motor 22 as the actuator that has started up again is arranged as actuator operation detection means for detecting that the gear motor 22 has finished a predetermined operation.
Based on a command signal from a one-cycle stop detector 31 that detects rotation and issues a stop signal, it rotates approximately one time and then stops;
Return to initial position.

A detailed explanation of the operation of the disk cartridge mounting device having the above configuration will be explained in order based on FIGS. 5 to 11.

First, let's begin the explanation with Figure 5.

FIG. 5 shows a state in which the disk cartridge 51 described above is manually inserted, and shows a standby state just before injection. The coil spring 27 is rotated by the rotating cam 23 provided on the shaft.
On the other hand, the lifter 3 accumulates elastic force in the coil spring 28 and is pulled back and stops. In this stopped state, the trigger 5 is activated. The lifter 3 is prevented from returning, and the cartridge holder 4 is raised to a receiving position for the disk cartridge 51.

The hook arm 25 contacts the bent portion 4b of the cartridge holder 4 to open an insertion passage for manually inserting the disk cartridge 51 into the cartridge holder 4.

In the above state, the disk cartridge 51 is
Manual insertion is possible without any resistance.

When the disk cartridge 51 is further manually inserted, the operation state shown in FIG. 6 is reached.

That is, when the disk cartridge 51 is manually inserted to a predetermined position, the disk cartridge 51 activates the disk cartridge insertion detector 29 and issues a start command to the gear motor 22.

As shown in FIG. 6, the positional relationship between the disk cartridge 51 and the hook arm 25 when the disk cartridge insertion detector 29 is activated is as shown in FIG. is the disk cartridge 5 described above in FIG.
Engagement recesses 51a and 51b for engaging and being driven by a driving means disposed in the recording and reproducing apparatus.
Of these, it is in a state facing one of the engaging recesses 51a.

When the disk cartridge insertion detector 29 is activated and the gear motor 22 is activated, the auto-injection operation state shown in FIG. 7 is entered.

That is, when the gear motor 22 is started, the rotary cam 23 rotates in the direction of the arrow 47, slides into contact with the protrusion 23a of the rotary cam 23, stores elastic force in the coil spring 27, and is pushed back to prevent movement. The locked injection member 21 is released from sliding contact with the protrusion 23a, that is, the movement is unlocked, and the injection member 21 releases the elastic force stored in the coil spring 27. is driven in the direction of arrow 41a.

The positional relationship between the disk cartridge 51 and the above-mentioned hook arm 25 when the injection member 21 is driven is as shown in FIG. When the slope 25b of the arm 25 is released, the torsion coil spring 26, which is rotatably engaged with one end of the hook arm 25 and a part of the injection member 21, acts as a so-called two-way biasing spring. As a result, the hook portion 25a of the hook arm 25 mentioned above sneaks into the engagement recess 51a of the disk cartridge 51, and the slope 25c of the hook arm 25 engages with the engagement recess 51a of the disk cartridge 51. The disc cartridge 51, which has been manually operated from a human standpoint, is driven in the direction of the arrow 41a by the elastic force stored in the coil spring 27 via the injection member 21, and is drawn in as if being sucked in. .

When the disk cartridge 51 is driven in the direction of the arrow 41a and reaches a predetermined position, as described above, the disk cartridge 51 has the fulcrum 5a that is related to the chassis 1 described above based on FIG. The trigger 5 (qr, not shown in FIG. 7), which is rotatable and is rotatably biased in a predetermined direction and engaged with the lifter 3, is actuated to rotate to a predetermined position, and the lid The movement restriction of -3 is canceled and the autoloading operation state shown in FIG. 8 is entered.

(During this period, the rotary cam 23 provided on the output shaft of the gear motor 22 does not drive either the lifter 3 or the injection member 21, and continues to rotate without any action. In other words, when the aforementioned trigger 5 (not shown in FIG. 8) is operated to rotate it to a predetermined position and the above-mentioned movement restriction of the lid 3 is released, the lifter 3 is moved as shown in FIG. The direction of the arrow 42a returns due to the elastic force of the coil spring 28 stretched between the chassis 1 and the cartridge holder 4, which is engaged with the cam portion 3b of the lifter 3 according to the cam shape of the cam portion 3b. The disc cartridge 51 is lowered together with the cartridge holder 4 to a predetermined position in the direction of arrow 48 via the convex portion 4C.

When the disk cartridge 51 is lowered to a predetermined position, the disk cartridge installation detector 30 described above is activated and issues a command to stop the gear motor 22, as shown by the arrow 4.
The gear motor 22, which continued to rotate in seven directions,
As shown in FIG. 8, the above-mentioned injection member 21 and the rotating cam 2 are driven by the elastic force of the coil spring 27.
The protrusion 23a of No. 3 rotates approximately half a turn just before coming into sliding contact again and then stops.

When the disk cartridge 51 is lowered to a predetermined position, as described above, the disk cartridge 51 is placed on the chucking means 2a shown in FIG. The position becomes the recording/playback position.

The process of lowering the disk cartridge 51 to a predetermined position will be described in more detail with reference to FIG.

When the cartridge holder 4 descends, the contact piece 4d disposed on the cartridge holder 4 is biased to rotate in the direction of arrow 44 in FIG. The hook arm 25 is rotated in the direction of arrow 49, and the aforementioned hook arm 25 is moved from the engagement recess 51a of the disk cartridge 51.
release the hook portion 25a.

When the engagement positional relationship between the fulcrum 21b on which the hook arm 25 is pivoted and the torsion coil spring 26 engaged by the above-mentioned rotatable means changes as shown in FIG. The so-called two-way biasing spring formed by this changes its function to bias the footer arm 25 to rotate in the direction of arrow 49.

On the other hand, the sliding relationship between the rotating cam 23 and the lifter 3 described above is as follows.
As shown in 8th rIA, the cam portion 23b is stopped in a state immediately before starting effective operation with respect to the sliding contact piece 3C extending from the lid 3.

By the way, as mentioned above, the gear motor 22 can be activated based on a command signal from a source other than the recording/reproducing device even when the disk cartridge attachment detector 30 is in operation. It is structured to start according to a start command signal, and when it is started in response to this start command signal in the stopped state, it enters the auto-unloading operating state as shown in FIG. 9.

That is, when the gear motor 22 starts, the rotating cam 23 rotates in the direction of arrow 47, and the cam portion 23b described above rotates.
is in effective sliding contact with the sliding contact piece 3c extending from the above-mentioned lifter 3, and the lifter 3 is pulled back in the direction of the arrow 41a, and the lifter 3 moves in the direction of the arrow 41a as described above, the above-mentioned protrusion of the cartridge holder 4 engaged with the cam part 3b of the lifter 3 follows the cam shape of the cam part 3b of the lifter 3. The disk cartridge 51 is raised together with the cartridge holder 4 in the direction of the arrow 45 via the portion 4C.

On the other hand, the sliding relationship between the protrusion 23a of the rotary cam 23 and the above-mentioned inject member 21 is as shown in FIG. The protruding portion 23a of 23 comes into sliding contact again, and pushes the injecting member 21 back in the direction of the arrow 42a against the elastic force of the coil spring 27 stretched between the injecting member 21 and, for example, the chassis 1.
The elastic force of the coil spring 27 can be adjusted for the next injection.

When the operation of the above-mentioned feeder 3 and the injection member 21 approaches its final stage, the auto-ejector is in an operating state as shown in FIG. 10.

That is, in the process of pushing back the inject member 21 in the direction of the arrow 42a, the inject member 21 moves while supporting the hook arm 25 and the torsion coil spring 26, as described above. When the protrusion 25d provided on the chassis 1 contacts the abutment cam 1a provided on the chassis 1, for example, and rotates the hook arm 25 in the direction of the arrow 44, the action of the so-called two-direction biasing spring formed by the torsion coil spring 26 described above occurs. The hook arm 25 is rotated and biased in the direction of arrow 44 to enter a standby state exactly the same as the state described above in FIG. are doing.

On the other hand, when the lifter 3 is pulled back to a predetermined position and the disk cartridge 51 is raised together with the cartridge holder 4 to a predetermined position, it rotates with a fulcrum 5a between it and the chassis 1 shown in FIG. Trigger 5 (10th
(not shown) is operated to auto-eject the disk cartridge 51 by a desired amount in the direction of arrow 42 and to restrict return of the lifter 3.

At this time, the rotary cam 23 detects that the gear motor 22 has rotated a predetermined number of times and activates a one-cycle stop detector 31 that issues a stop signal. Based on the command signal from the standby state shown in FIG. 5, it rotates approximately one rotation, stops, and returns to the initial position.

When the gear motor 22 returns to its initial position,! I!
The operation is completed as shown in Figure 11.

That is, in the operation completion state of FIG. 11, all the series of operations are completed, and in FIG. 10, the disk cartridge 51 that has been auto-ejected by a desired amount is manually ejected in the direction of arrow 42, and the next insertion is performed. Prepare for.

Although the disk cartridge mounting device of the present invention described above has an extremely simple structure, such a device sometimes causes various troubles depending on handling problems and usage conditions. Therefore, it is essential to have a so-called fail-safe function.Next, typical countermeasures against this problem will be explained.

First, as described above, the cover 3 is operated to auto-eject the disk cartridge 51, and
The gear motor 22, which serves as an actuator for operating the injecting member 21 that injects the disc cartridge 51, can operate effectively only when power is supplied, but the disc cartridge mounting device of the present invention The following consideration has been made so that the disk cartridge 51 can be loaded and ejected by manual operation even if power is not supplied. ``''■ Even if the disk cartridge 51 is manually inserted to a predetermined position in the state shown in FIG. 6 and the disk cartridge insertion detector 29 is activated, the gear motor 22 does not start, but the disk cartridge 51 is manually inserted. If the manual insertion of the disk cartridge 51 is continued, the aforementioned hook arm 25 remains in contact with the bent portion 4b of the cartridge holder 4 as shown in FIG. 8, the disk cartridge 51 has a fulcrum 5a between it and the chassis 1 described above based on FIG. 1, and is rotatable in a predetermined direction. The trigger 5 (not shown in FIG. 8), which is biased to rotate, is operated to rotate to a predetermined position, and the lid
3 is released, and the loading state as shown in FIG. 8 is reached.

However, in this case, the difference from the autoloading state described above is that the trigger 5 is forced to rotate, and the cartridge holder 4 is lowered while the hook arm 25 and the bent portion 4b are in contact with each other. However, in the same way as shown in FIG. 8 and described above, the hook arm 25 is rotated in the direction of arrow 49.

At this time, the sliding relationship between the rotating cam 23 and the lifter 3 is such that the cam portion 23b is in effective sliding contact with the sliding piece 3c extending from the lid 3, as shown in FIG. It has no operating function.

■In the loading state shown in Figure 8, move the above-mentioned glue lid 3 to the 5th position.
It is possible to push the lifter 3 manually from the direction of the arrow 41 in the figure, and in this state, if the lifter 3 is pushed manually from the direction of the arrow 41 in FIG. The unloading operation is performed in exactly the same manner as shown in FIG. 9 and described above.

-Numerically, the lifter 3 has a button (not shown)
It is configured with means that can be installed or operated from the outside.

Next, to explain the handling issues, the following considerations have been made.

■ In the auto-injection operating state shown in FIG. 7, for example, due to some kind of trouble, the disk cartridge 51
When it is pulled back in the direction of arrow 42 in FIG. 5, it has a hook portion 25a consisting of a slope 25b and a slope 25c having a desired angle for engaging with the engagement recess 51a of the disk cartridge 51 described above in FIG. The hook arm 25 is made of, for example, an elastic plastic material having some elasticity, and is rotatable and biased to rotate in the direction of arrow 44 by the action of the two-way biasing spring of the torsion coil spring 26. a rotational biasing force that is rotationally biased in the direction of arrow 44 by the action of the two-way biasing spring of the torsion coil spring 26; and an engagement recess 51a of the disk cartridge 51;
! : The frictional force formed by the slope 25c formed at a desired angle and engaged with the engagement recess 51a is applied to the disk cartridge 5.
When the force pulling back 1 in the direction of arrow 42 in FIG. 5 exceeds the force, it rotates in the direction of arrow 49 in FIG. 8 and separates from the engagement recess 51a.

That is, in this configuration, when an overload occurs in the engagement between the hook arm 25 and the disk cartridge 51, the engagement is disengaged and the disk cartridge 5
In order to avoid the situation where it becomes impossible to take out the item 1, it is necessary to take safety measures by providing the above-mentioned overload prevention release means.

When the hook arm 25 is disengaged from the engagement recess 51a of the disc cartridge 51, the inject member 21 cannot drive the disc cartridge 51 to perform injection, and naturally cannot load the disc cartridge 51. Therefore, the gear motor 22
The l-cycle stop detector 31 continues to rotate without receiving a stop command signal from the disk cartridge attachment detector 30 described above, and detects that the gear motor 22 has made one revolution and issues a stop signal. It stops based on the command signal and returns to its initial position by itself.

Incidentally, in this configuration, the footer arm 25
was constructed with a means that has some elasticity and is rotatable, but
Needless to say, the same functionality can be achieved even if the elasticity is increased and the rotatable means is eliminated.

In this explanation, the case where the disk cartridge 51 is pulled back in the direction of the arrow 42 in FIG. 5 due to some kind of trouble has been explained as an example. Even if it becomes impossible to insert the disk cartridge 51 in the direction of arrow 41 in FIG. There is nothing that will make it impossible.

■ In the auto-ejection operating state shown in FIG. 10, for example, due to some kind of trouble, the disk cartridge 51
If there is a problem in the eject path of the cartridge holder 4 and the disk cartridge 51 remains in the direction of the arrow 41 in FIG. 5 from the position shown in FIG. It detects exactly the same thing as when the disk cartridge 51 is manually inserted to a predetermined position, and the gear motor 22 described above
A start command is issued, and the disk cartridge 51 is driven again, enters the autoloading state shown in FIG. 8, and then stops.

The above-described disk cartridge loading device of this configuration has a simple configuration and performs auto-injection, auto-loading, and auto-ejection of the disk cartridge 51. The inject member 21 injects the disc cartridge 51.
Although the gear motor 22 is configured as an actuator for operating the gear motor 22, it is also possible to use a slow rotation torque motor such as a synchronous motor in place of the gear motor 22 in the above-described structure, or a rotary solenoid or the like. However, it is configurable.

Further, in this configuration, the injection member 21 is configured to be driven by the elastic force of the coil spring 27.
For example, the direction in which the coil spring 27 acts is completely reversed, and the inject member 21 is pulled in and driven by the rotation of the rotary cam 23 to inject the disk cartridge 51.
It is also easily possible to construct a structure (not shown) in which the direction in which the coil spring 27 acts is completely reversed and the return to the initial position is carried out by the tensioned elastic force.

In this configuration, regarding the sliding relationship between the protrusion 23a of the rotary cam 23 and the injection member 21 described above, the structure is such that the protrusion 23a of the rotary cam 23 and the inject member 21 are in contact with each other throughout one rotation of the rotary cam 23 (rl!I is not shown). ) is a good idea.

[Effects of the Invention] As described above, the present invention has many of the above-mentioned practical effects among the embodiments of the present invention, and in particular, the disk cartridge mounting device of the present invention has the following advantages: Although the main mechanism is operated by a gear motor as in conventional technology, we have moved away from the configuration of configuring a complicated mechanical mechanism to operate, and make maximum use of the operation of the actuator that operates the main mechanism. By doing so, it is possible to provide an inexpensive and highly reliable disk cartridge mounting device that does not require the configuration of a complicated mechanical mechanism, has a simple configuration, reduces the number of components, is easy to assemble, and is free from failures. Therefore, the practical effects of the present invention are extremely large.

[Brief explanation of the drawing]

Figures 1, 2, 3, 4, and 5 to 11
The figure shows one of the most suitable embodiments of the disk cartridge mounting device of the present invention. FIG. 1 is a schematic plan view of a disc cartridge mounting device of the present invention, FIG. 2 is a schematic front sectional view of the disc cartridge mounting device of the present invention, and FIG. 3 is a perspective view of a disc cartridge used in the disc cartridge mounting device of the present invention. FIG. 4 is a back view of a disk cartridge used in the disk cartridge mounting device of the present invention. FIGS. 5 to 11 are diagrams for explaining the operation of the disk cartridge mounting device of the present invention.
The main parts are shown in cross-section from the viewing direction, and the fifth
The figure is a standby state diagram, Figure 6 is an operation start diagram, Figure 7 is an auto injection operation diagram, Figure 8 is an auto loading operation diagram, Figure 9 is an auto unloading operation diagram,
Fig. 0 is an auto-ejection operation diagram, and Fig. 11 is an operation completion diagram. 1,,,,,chassis 2a...0. Chucking means 3, Lifter 4, Cartridge holder 5, Rigger 21, Injection member 22, Gear motor 23, Rotation Cam 25, Hook arm 26, Torsion coil spring 27, Coil spring 29, Disc cartridge insertion detector 30,
, , Disk cartridge attachment detector 31 , ,
．． 1 cycle stop detector and above Applicant Seiko Epson Co., Ltd. agent Patent attorney Tsutomu Mogami and 1 other person Figure 1 Figure 2 Figure 3 Figure 4

Claims (1)

[Scope of Claims] A. A cartridge holder which receives a disk cartridge containing a recording/reproducing medium and is provided with means capable of raising and lowering the insertion/removal position of the disk cartridge and the recording/reproducing position, and is provided with a descending habit; B. an elevating means that operates the cartridge holder to raise and lower the insertion/removal position of the disk cartridge and the recording/reproducing position, and is provided with a descending behavior; C. locking the descending behavior of the elevating means; D. a trigger means for detecting that the disc cartridge is inserted into a predetermined position within the holder and releasing the restriction on the downward movement behavior; A rotary actuator is provided with a disc cartridge insertion detection means to detect the insertion, and is operated based on the detection signal of the disc cartridge insertion detection means and is controlled to stop one rotation. It's locked and
an inject member whose lock is released by actuation of the actuator and is driven by the elastic force of the spring;
a hook arm that is biased and displaced by biasing means to engage the disk cartridge; G, mounted on the output means of the rotary actuator;
a rotary cam comprising an actuating section configured to operate the elevating means and the inject member in a predetermined phase, wherein the inject member is driven by approximately half a rotation of the rotary cam; The disk cartridge, which is engaged by the hook arm, is installed in the recording/reproducing position, and the elevating means is driven by the remaining half-rotation to eject the disk cartridge to the insertion/extraction position. A disk cartridge mounting device characterized by: