JP2002288971A - Recording medium processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a foreign matter, etc., from falling to the inside of a device from a gap to be generated between a holder to hold a cassette tape and a cassette insertion/ejection port. SOLUTION: A cassette tape holder 10 to hold the cassette tape is opened and closed by being rotated around the fulcrum of an axis 10e. A flap opening/ closing lever 10g is provided on an upper part of the cassette holder 10. A flap 31 to be opened/closed by rotating around the fulcrum of an axis 31a provided on a lower part is provided in the cassette insertion/ejection port 4 and an opening/closing lever 31b having the shape to open the flap 31 inside in accordance with release of the cassette holder 10 by abutting on the flap opening/closing lever 10g is provided in the flap 31.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recording medium processing apparatus for loading a recording medium such as a cassette tape and performing processing such as reproduction of information, wherein a holder for holding the recording medium is provided inside the apparatus. The present invention relates to a recording medium processing device provided with a panel which can open and close an insertion / removal opening for taking out / in a recording medium. More specifically, it is intended to prevent a recording medium or the like from dropping from a gap generated between the holder and the insertion / removal port.

[0002]

2. Description of the Related Art A recording medium processing apparatus for loading a recording medium such as a compact disk or a cassette tape and performing processing such as reproduction of information, a so-called compact disk player or a cassette deck, and an apparatus (hereinafter referred to as an audio system) integrating these apparatuses In the case of reproducing a recording medium, it is not necessary to expose the insertion / removal opening of the recording medium, so that it can be opened and closed to cover the insertion / removal opening while improving the design. Some have panels.

[0003] Further, especially when the recording medium is a cassette tape, a holder for holding the cassette tape in an upright state is conventionally provided at the front of the apparatus, and at the time of loading, the holder is tilted forward and opened to open the tape. There are many structures that take in and out. For this reason, a space for providing a cassette tape holder on the front of the apparatus was required. However, if the holder is provided inside the apparatus and only the cassette tape insertion / removal port is provided on the front of the apparatus, the space on the front of the apparatus can be obtained. Can be used effectively.

If a panel is provided so as to open and close the cassette insertion / removal opening, the space in front of the apparatus can be effectively utilized, and the design can be improved. Such a panel may be manually opened and closed, but if it is automatically opened and closed, the commercial value can be further increased.

[0005]

By providing an openable and closable panel on the front of the apparatus, the insertion / removal port of the recording medium is not exposed when the panel is closed. Intrusion can be prevented.

However, when the recording medium is taken in and out by opening the panel, there is a problem that foreign matter, the recording medium, and the like fall into the apparatus through a gap formed between the holder and the insertion / ejection port.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and eliminates a gap between a holder for holding a recording medium and an insertion / removal opening for taking in / out a recording medium, thereby removing foreign matter or a recording medium. It is an object of the present invention to provide a recording medium processing device that can prevent the recording medium from falling into the device.

[0008]

According to the present invention, there is provided a recording medium processing apparatus comprising: a panel provided on the front of the apparatus so as to be openable and closable;
A recording medium insertion / removal port provided inside the panel; and a recording medium provided inside the apparatus and rotated while holding the recording medium, and an upper portion of the recording medium is inclined to an eject position opposite to the insertion / removal port. And a holder
A flap that opens and closes the insertion / removal port in conjunction with the opening / closing of the holder, and retracts at a lower portion inside the insertion / removal port.

In the present invention having the above-described structure, the flap provided at the insertion / ejection opening of the recording medium closes the lower portion inside the insertion / ejection opening when the holder comes to the eject position. Thus, the flap is interposed between the insertion / extraction port and the holder, and serves as a guide for taking in and out of the recording medium, and also prevents foreign matters, the recording medium, and the like from falling into the apparatus.

[0010]

FIG. 1 is an external perspective view showing an embodiment of an audio apparatus as an example of a recording medium processing apparatus according to the present invention. A panel 2 that slides up and down is provided on the front of the audio device 1. The panel 2 is provided with an opening 2a on the upper side, and the inside of the panel 2 can be seen at the opening 2a.

On the inner side of the panel 2 of the audio device 1, a liquid crystal display unit 3, a cassette insertion / removal port 4, and an operation unit 5 are provided in this order from the upper side. The liquid crystal display unit 3 displays information and the like necessary for operating the audio device 1. The cassette insertion / ejection opening 4 is provided with an opening for inserting and removing a cassette tape from the outside with respect to a cassette unit described later provided inside the audio device 1.
The operation unit 5 is provided with buttons and the like for operating the audio device 1.

The vertical length (height) of the opening 2a is obtained by adding the vertical length (height) of the liquid crystal display unit 3 and the vertical length (height) of the operation unit 5. It is almost the same length as

FIG. 1A shows a state in which the panel 2 is closed. In this state, the liquid crystal panel 3 is located near the upper side of the opening 2a of the panel 2, and the display on the liquid crystal display unit 3 can be seen through the opening 2a. When the panel 2 is closed, the cassette insertion / ejection port 4 and the operation unit 5 are covered with the panel 2 and cannot be seen from outside.

FIG. 1B shows a state in which the operation unit 5 is exposed. In this state, the panel 2 rises by almost the same amount as the height of the operation unit 5, so that the liquid crystal display unit 3 has the opening 2a.
, And the display of the liquid crystal display unit 3 can be seen through the opening 2a. This allows
The operation using the operation unit 5 can be performed while watching the display on the liquid crystal display unit 3.

FIG. 1C shows a cassette insertion / ejection port 4.
And a state where the operation unit 5 is exposed. In this state, the cassette insertion / removal port 4 is exposed in addition to the operation section 5, so that the cassette tape 6 can be inserted and removed. When the panel 2 is raised until the cassette insertion / ejection port 4 is exposed, the liquid crystal display unit 3 is covered with the panel 2.

The audio device 1 has a function for reproducing a compact disc and operation buttons which are always exposed, but they are not shown in FIG.

The acoustic device 1 of the present embodiment performs the operation of lifting and lowering the panel 2 and the loading of the cassette tape by one drive source, and will be described in detail below.

FIG. 2 is a side cross-sectional view showing a main part of the audio equipment according to the present embodiment. FIG. 3 is a partially cutaway perspective view of a cassette unit mounted on the audio equipment according to the present embodiment. The details of the audio equipment of the present embodiment will be described. In addition,
FIG. 3 shows the inside of the cassette unit by cutting a part of a cassette holder, a left side frame, and a panel mounting portion described later.

At the front of the housing 1a of the audio device 1, a liquid crystal display unit 3 is provided, and an operation unit 5 is provided. The liquid crystal display unit 3 and the operation unit 5 are mounted on the substrate 1b.

A mechanism for loading the cassette tape 6, a mechanism for performing operations such as running, recording, and reproducing the tape, and a mechanism for performing operations such as running, recording, and reproducing the tape, are provided inside the audio device 1, that is, on the rear side of the substrate 1b in this embodiment. A cassette unit 7 including a mechanism for opening and closing the panel 2 is provided.

In the cassette unit 7, a right side frame 9a and a left side frame 9b are mounted on left and right sides of an L-shaped main frame 8, and various components are mounted thereon.

The cassette unit 7 is provided with a cassette holder 10 as a member for holding and loading the cassette tape 6. The cassette holder 10 has a structure in which the cassette tape 6 can be slid out of the upper opening 10a. For this reason, the cassette holder 10 has a U-shaped guide portion 10b on one side and an inverted U-shaped shape on the other side when viewed from above, and a front main bar is provided between the left and right guide portions 10b. It is a structure integrated by connecting with 10c. The guide portion 10b is provided with a bottom portion 10d for positioning the cassette tape 6 in the downward direction.
Is held at a predetermined height by the cassette holder 10.
The height of the bottom 10d is the same as the height of the front main bar 1.
0c, so that the lower end of the cassette tape 6 projects below the lower end of the front main bar 10c.

The cassette holder 10 is provided with shafts 10e at the lower portions of the left and right guide portions 10b so as to be coaxially located. A support portion 8a for rotatably supporting each of the shafts 10e is provided integrally with a portion constituting the bottom surface of the main frame 8. Thus, the cassette holder 10 is attached to the main frame 8 in a rotatable state about the shaft 10e.

A torsion coil spring 11 is attached to a shaft 10e of the cassette holder 10. The torsion coil spring 11 applies a force in a direction in which the cassette holder 10 rotates around the shaft 10e as a fulcrum and tilts forward.

A guide post 10f is provided on one side of the cassette holder 10. The guide post 10f is provided with a shaft 10 in the middle of the side of the cassette holder 10.
These are columnar projections formed to project in parallel with e. At the upper end of the side of the cassette holder 10, a flap opening / closing lever 10g protruding forward is provided. The flap opening / closing lever 10g is provided so as to be located outside the cassette holder 10 in the width direction. On the front side of the cassette holder 10, a roller 10h is provided. This roller 10h is
The cassette tape 6 is rotatably mounted by taking out and taking in the cassette tape 6.

Behind the cassette holder 10, a mechanical unit 1 is provided.
2 are provided. The mechanical unit 12 includes a magnetic head,
It is composed of a capstan, a pinch roller, a motor, a board, and the like. The mechanical section 12 is attached to a portion that forms the back of the main frame 8 that forms the cassette unit 7.

At the lower front of the cassette holder 10, a cassette lifting mechanism 13 is provided. The cassette lifting mechanism 13 includes two lifting levers 13a, a shaft 13b connecting the lifting levers 13a, and a lifting lever 13
and a transmission lever 13c that receives a driving force to rotate the rotation lever a.

A support portion 8b for rotatably supporting the shaft 13b of the cassette elevating mechanism 13 is provided integrally with a portion constituting the bottom surface of the main frame 8. This allows
The elevating mechanism 13 is attached to the main frame 8 so as to be rotatable around the shaft 13b.

The elevating lever 13a is provided with an elevating guide surface 13d having a convex smooth curved surface on the upper front surface thereof. The lifting guide surface 13d is moved back and forth by the rotation of the lifting lever 13a about the shaft 13b.

The interval between the two lifting levers 13a is
The gap between the left and right guide portions 10b of the cassette holder 10 is narrower. The height of the upper end of the lifting lever 13a is lower than the bottom 10d of the cassette holder 10. Further, the shaft 10e of the cassette holder 10 and the shaft 13b of the cassette lifting mechanism 13 are parallel. Thus, the lifting lever 13a does not hinder the rotation of the cassette holder 10.

The transmission lever 13c has one end of the shaft 13b shaped like a crank.
Is pressed in a direction perpendicular to the shaft 13b, thereby rotating the shaft 13b, thereby rotating the elevating lever 13a.

The cassette elevating mechanism 13 receives a force from the tension coil spring 14 in a direction in which the elevating lever 13a is inclined backward. Although not shown, a member is provided for regulating the rotation of the cassette elevating mechanism 13 by the tension coil spring 14 at a position where the elevating guide surface 13d is retracted rearward.

On the front side of the right side frame 9a, there is provided a rail 9c for supporting the panel mounting portion 15 so as to be slidable in the vertical direction. The rail 9c is formed of, for example, a groove extending in the vertical direction. A rail (not shown) is also provided on the front side of the left side frame 9b so as to face the rail 9c of the right side frame 9a.

The panel mounting portion 15 is for mounting the panel 2 (not shown in FIG. 3) and has a width approximately equal to the distance between the right side frame 9a and the left side frame 9b, and both ends of the rail 9c. , And can be slid vertically. The attachment of the panel 2 to the panel attachment portion 15 is performed, for example, by providing a projection 2 a on the back surface of the panel 2 and fitting the projection 2 a into a hole 15 a provided in the panel attachment portion 15. The housing 1a of the audio device 1 is provided with a long hole through which the projection 2a passes when the panel 2 moves up and down.

A rack gear 15b is provided on the back surface of the panel mounting portion 15. A spur gear 16 is rotatably provided on the right side frame 9a so as to face the rack gear 15b. The spur gear 16 and the rack gear 15b mesh with each other, and the rotation of the spur gear 16 causes the panel mounting portion 15 to move up and down in accordance with the direction of rotation. The rack gear 15b is provided with teeth over its entire length, and the spur gear 16 is provided with teeth over the entire circumference.
Here, only a part thereof is shown.

A cam gear 17 for opening and closing the cassette holder 10 is rotatably provided on the right side frame 9a. Then, a main gear 18 for transmitting a driving force to both the spur gear 16 and the cam gear 17 is rotatably provided on the right side frame 9a. In order to reverse the rotation direction of the spur gear 16 with the rotation direction of the cam gear 17,
A counter gear 19 is rotatably provided on the right side frame 9a.

FIG. 4 is a front view showing the driving force transmitting mechanism of the cassette unit 7. The driving force transmitting mechanism of the cassette unit 7 according to the present embodiment will be described below with reference to FIGS. Spur gear 1 for vertically moving panel mounting part 15
The cam gear 17 for opening and closing the cassette holder 6 and the cassette holder 10 is driven by a motor 20.

A small pulley 21 is attached to the shaft of the motor 20, and its driving force is transmitted through a belt 22 to a pulley gear 2.
3 is transmitted. The pulley gear 23 includes a large pulley 23a and a small gear 23b, and is rotatably provided on the right side frame 9a.

The main gear 18 comprises a small gear 18a and a large gear 18b.
Meshes with the large gear 18b of the main gear 18. Also, the small gear 18a of the main gear 18 and the cam gear 17 mesh with each other.

Further, the counter gear 19 is a small gear 19a.
The small gear 18a of the main gear 18 and the large gear 19b of the counter gear 19 mesh with each other. Then, the small gear 19a of the counter gear 19 and the spur gear 16 mesh with each other. As a result, the driving force of the motor 20 is transmitted to the spur gear 16 and the cam gear 17, and the vertical movement of the panel 2 and the opening and closing of the cassette holder 10 for loading the cassette tape 6 can be performed by one driving source.

The spur gear 16, cam gear 17, main gear 18, counter gear 19 and pulley gear 23
Have rotation axes parallel to the axis 10e of the cassette holder 10, respectively. Each gear is provided with teeth on the entire circumference, but only some of the teeth of the cam gear 17 are shown, and other teeth are omitted.

Next, the outline of the mounting structure of the motor 20 will be described with reference to FIG. 4. A plurality of mounting claws 9d are provided at the motor mounting portion of the right side frame 9a.
Is attached to the right side frame 9a by the attachment claws 9d. The right side frame 9a has a post 9
e is formed so as to protrude, and the substrate 24 is attached to the post 9e. Although not shown, a wiring pattern for supplying electric power for driving the motor 20 is provided on the substrate 24, and terminals of the motor 20 are directly connected to the wiring pattern by soldering.

Returning to FIG. 2 and FIG.
A mechanism for opening and closing 0 will be described. The cam gear 17 is
A large gear 17a that meshes with the main gear 18, and a holder provided on one surface of the large gear 17a, that is, a surface facing the cassette holder 10 and configured to guide the guide post 10f to open and close the cassette holder 10. And an opening / closing cam 17b.

FIG. 5 is a plan view of the cam gear 17, and FIG.
(A) is a plan view seen from the side of the holder opening / closing cam 17b,
FIG. 5B is a plan view seen from the back surface, and the outline of the configuration and operation of the cam gear 17 will be described below with reference to FIGS. 2, 3 and 5.

The holder opening / closing cam 17b is used for the cam gear 1
7 is a wall projecting along the axial direction of the cam gear 1
7, an open holding cam surface 25a which is an inner circumferential surface that draws an arc with the same radius from the center near the outer periphery of the cam gear 17, and a closed holding cam that is an inner circumferential surface that draws an arc with the same radius from the center near the center of the cam gear 17. A surface 25b and an opening / closing guide cam surface 25c connecting the open holding cam surface 25a and the closing holding cam surface 25b with an arc-shaped inner peripheral surface.

As shown in FIGS. 2 and 3, the cassette holder 10 receives a force of rotating the shaft holder 10e forward about the shaft 10e by the torsion coil spring 11, so that the guide post 10f of the cassette holder 10 With the rotation of, any one of the open holding cam surface 25a, the closing holding cam surface 25b, and the opening / closing guide cam surface 25c abuts. 2 and 3 show a state in which the guide post 10f is in contact with the closing holding cam surface 25b. The state in which the guide post 10f is in contact with the closing holding cam surface 25b is a state in which the cassette holder 10 is closed, that is, a state in which the cassette tape 6 can be reproduced and recorded.

Since the distance between the center of the cam gear 17 and the closed holding cam surface 25b is constant at any position, even when the cam gear 17 is rotated, while the guide post 10f is in contact with the closed holding cam surface 25b. The distance from the center of the cam gear 17 to the guide post 10f does not change. Thus, the cassette holder 10 is kept in the closed state.

The distance from the center of the cam gear 17 becomes longer as the opening / closing guide cam surface 25c goes from the connection position with the closed holding cam surface 25b to the connection position with the open holding cam surface 25a. Thus, while the guide post 10f is in contact with the opening / closing guide cam surface 25c, the distance from the guide post 10f to the center of the cam gear 17 changes due to the rotation of the cam gear 17. Therefore, the cassette holder 10 rotates in the opening direction or the closing direction according to the rotation direction of the cam gear 17.

The guide post 10f has the open holding cam 25a.
, The cassette holder 10 is opened, that is, the opening 10 a of the cassette holder 10 faces the cassette insertion / removal port 4, and the cassette tape 6 can be inserted and removed.

The open holding cam surface 25a has a constant distance from the center of the cam gear 17 at any position.
Even if the cam gear 17 rotates, the distance from the center of the cam gear 17 to the guide post 10f does not change while the guide post 10f is in contact with the open / close holding cam surface 25a.
As a result, the cassette holder 10 is kept open.

When the contact point of the guide post 10f moves from the closed holding cam surface 25b to the open / close guide cam surface 25c, the guide surface 25d for guiding the guide post 10f is connected to the closed hold cam surface 25b and the open / close guide cam surface. A projection is formed at a portion facing the connection portion 25c. Further, the opening holding cam surface 25a, the closing holding cam surface 25b, and the opening / closing guide cam surface 25c may be formed by a groove having a width through which the guide post 10f passes.

A transmission projection 25d is provided on the outer periphery of the holder opening / closing cam 17b of the cam gear 17. This transmission projection 2
5d is an open holding cam surface 25a and an opening / closing induction cam surface 25c.
And presses the transmission lever 13c of the cassette elevating mechanism 13 described with reference to FIGS. 2 and 3.

On the back surface of the holder opening / closing cam 17b of the cam gear 17, that is, inside the large gear 17a in the present embodiment, control cams 26a, 26b and control cams for performing on / off control of the motor 20 for driving the cam gear 17 are provided. 27a, 2
7b is provided. The control cam 26a and the control cam 26b are provided at a predetermined angle on the same circumference, and the control cam 27a and the control cam 27b are provided on the same circumference outside the control cams 26a and 26b. It is provided at a predetermined angle different from the interval. The control cams 26a and 26b and the control cams 27a and 27b are formed to protrude along the axis of the cam gear 17.

The right side frame 9a has a control cam 26
a and a first sensor 28a for detecting the control cam 26b
And a second sensor 28b for detecting the control cam 27a and the control cam 27b.

FIG. 6 is an explanatory view showing a structure for operating the first sensor 28a and the second sensor 28b. Although FIG. 6 illustrates the first sensor 28a as an example, the second sensor 28b has a similar configuration.

The first sensor 28a is connected to the right side frame 9
It is attached to the substrate 24 attached to a. The output of the first sensor 28a changes, for example, when the mover 29 is pushed. This mover 29
When no external force is applied, the spring is restored by the force of a spring (not shown) and protrudes.

The control cam 26 is mounted on the right side frame 9a.
a of the first sensor 2
8a is provided with a lever 30 for transmission. The lever 30 is rotatable about a shaft 30a, and one end of the lever 30 is located at a position that blocks a locus drawn by the control cams 26a and 26b. The other end is the first sensor 28.
The position is in contact with the mover 29 of FIG.

When the control cam 26a and the control cam 26b have not reached the lever 30, as shown in FIG. 6A, the movable element 29 of the first sensor 28a pushes the lever 30 by the force of a spring (not shown). Pressing. Thereafter, the output of the first sensor 28a in this state is turned off.

When the control cam 26a or the control cam 26b reaches the lever 30 by the rotation of the cam gear 17, one end of the lever 30 is connected to the control cam 26a and the control cam 26.
As shown in FIG. 6B, one end of the lever 30 rides on the outer peripheral surface of the control cam 26a or the control cam 26b, and thus the control cam 26a or the control cam 26b. 26b pushes one end of the lever 30. When one end of the lever 30 is pushed, the lever 30 rotates about the shaft 30a as a fulcrum, and pushes the mover 29 of the first sensor 28a. Thus, the output of the first sensor 28a changes from off to on.

The rotation of the cam gear 17 causes the control cam 26 to rotate.
When a or the control cam 26b passes the lever 30, the mover 30 is restored by a spring (not shown) and pushes back the lever 30, and the output of the first sensor 28a changes from on to off.

The arrangement of the first sensor 28a and the second sensor 28b is, as shown in FIG.
a detects the control cam 26a, the second sensor 2
8b detects the control cam 27a.

Thus, as a combination of the output of the first sensor 28a and the output of the second sensor 28b due to the rotation of the cam gear 17, the first sensor 28a and the second sensor
8b are on, only the first sensor 28a is on, only the second sensor 28b is on, and both the first sensor 28a and the second sensor 218b are off. ON / OFF control of the motor 20 is performed in accordance with the change in the output of the sensor 28a and the output of the second sensor 28b.

The first and second sensors 28a and 26b are transmitted to the first and second sensors 28a and 28b via the lever 30 through the displacement of the control cams 26a and 26b and the control cams 27a and 27b. The substrate 2 to which the terminal of the motor 20 is directly connected is connected to the second sensor 28b.
4 can be attached. Then, the first
If wiring patterns for the second and second sensors 28a and 28b are also provided, wiring for extracting the output of the first and second sensors 28a and 28b and wiring for supplying electric power for driving the motor 20 are provided. This makes it possible to collectively connect one connector to the outside, thereby simplifying the wiring.

Returning to FIG. 2, the cassette insertion / removal port 4
Is provided with a flap 31 that can be opened and closed. FIG. 7 is a perspective view of the flap 31. The configuration of the flap 31 will be described below with reference to FIGS. 2, 3, and 7. FIG.

The flap 31 is provided with a shaft 31a at its lower part, and the shaft 31a is rotatably supported by a support (not shown) provided inside the cassette insertion / removal port 4. As a result, the flap 31 is moved from the position where the cassette insertion / removal port 4 is closed with the shaft 31a as a fulcrum.
The cassette is rotated inward to a position where the cassette insertion / ejection port 4 is opened. Further, the flap 31 is subjected to a rotating force in a direction to close the cassette insertion / removal port 4 by a not-shown torsion coil spring or the like.

The flap 31 is provided with an opening / closing lever 31b. The open / close lever 31b is pushed by a flap open / close lever 10g of the cassette holder 10. As shown in FIG. 3, the flap opening / closing lever 10g is
Since the opening / closing lever 31b is provided on the side of the cassette holder 10, the opening / closing lever 31b has a shape protruding inward toward the outside in the width direction at the side of the flap 31. Then, the flap opening / closing lever 10g is moved to the opening / closing lever 3
The opening / closing lever 31b is provided with a contact surface 31c that draws an arc so that the opening / closing lever 31b can move smoothly while being in contact with 1b.

Hereinafter, the operation of the audio device 1 according to the present embodiment will be described by first exposing the operation unit 5 from the state where the panel 2 shown in FIG. 1A is closed, as shown in FIG. 1B. Will be described. As shown in FIG. 3, the cassette holder 10 receives a force to rotate forward around the shaft 10e by the torsion coil spring 11, but this rotation is
The guide post 10f is the holder opening / closing cam 1 of the cam gear 17.
7b is restricted by contacting any one of the open holding cam surface 25a, the closing holding cam surface 25b, and the open / close guide cam surface 25c.

FIG. 2 shows a state in which the panel 2 shown in FIG. 1A is closed. When the panel 2 is closed, the guide post 10f of the cassette holder 10 is
b, the rotation of the torsion coil spring 11 about the shaft 10e as a fulcrum is restricted. As a result, the cassette holder 10 is kept in an upright closed state, and the cassette tape 6 can be reproduced and recorded. Panel 2
When the is closed, the liquid crystal display unit 3 is located at a position facing the opening 2a of the panel 2 and the display of the liquid crystal display unit 3 can be viewed through the opening 2a, as described in FIG. it can.

When the panel 2 is closed, the first sensor 28a detects the control cam 26a and the second sensor 28b detects the control cam 27a by the mechanism described with reference to FIG. The outputs of both the sensor 28a and the second sensor 28b are turned on. For this reason, if the drive of the motor 20 is stopped when both the first sensor 28a and the second sensor 28b are turned on, the panel 2 is closed, and the cassette holder 10 It can be in a closed state where playback and recording are possible.

When the panel 2 is closed, the transmission protrusion 25e of the cam gear 17 does not reach the transmission lever 13c of the cassette lifting mechanism 13, so that the lifting lever 13a
Is a state where the elevating guide surface 13d is retracted by being pulled by the tension coil spring 14 and inclined rearward. Further, the flap 31 closes the cassette insertion / removal port 4 by a force of a not-shown torsion coil spring or the like.

When the operation button (not shown) is pressed in order to make the operation unit 5 exposed from the state where the panel 2 is closed as shown in FIG. 1B, the motor 20 rotates in the direction of arrow a. Then, the cam gear 17 receives the driving force via the pulley and the gear group, and rotates in the direction of the arrow b.
The spur gear 16 rotates in the direction of arrow c.

When the spur gear 16 rotates in the direction of arrow c, the panel mounting portion 15 in which the rack gear 15b meshes with the spur gear 16 is guided by the rail 9c and rises in the direction of arrow d. As a result, the panel 2 moves up.

When the cam gear 17 rotates in the direction of arrow b, the control cam 26a moves away from the position detected by the first sensor 28a, and the control cam 27a moves away from the position detected by the second sensor 28b. 28a
And the output of the second sensor 28b is both turned off.

Further, the closing holding cam surface 25b also rotates in the direction of arrow b. As a result, the contact position between the guide post 10f of the cassette holder 10 and the closing holding cam surface 25b changes, but the closing holding cam surface 25b is provided on an arc of the same radius from the center of the cam gear 17, so that the cam gear 1
The distance from the center of 7 to the guide post 10f does not change, and the cassette holder 10 is kept closed.

FIG. 8 is a side sectional view showing the internal configuration of the audio equipment 1 in a state where the operation unit 5 is exposed. When the cam gear 17 rotates in the direction of arrow b by driving the motor 20 from the state where the panel 2 shown in FIG. 2 is closed, the control cam 26b reaches the position detected by the first sensor 28a as shown in FIG. As a result, the output of the first sensor 28a turns on. At this time, the amount of movement of the panel mounting section 15 is determined so that the height of the panel 2 is such that the operation section 5 is exposed, and when only the first sensor 28a is turned on,
The driving of the motor 20 is stopped. Thereby, FIG. 1 (b)
As shown in FIG. 5, the operation unit 5 is exposed, and operation using the operation unit 5 is enabled.

At this time, since the guide post 10f of the cassette holder 10 is in contact with the vicinity of the end point of the closing and holding cam surface 25b, the cassette holder 10 does not open, and the operation using the operation section 5 allows the cassette to be operated. Reproduction and recording of the tape 6 are possible. In a state where the panel 2 is raised to a position where the operation unit 5 is exposed, the liquid crystal display unit 3 is located at a position facing the opening 2a of the panel 2 as described with reference to FIG. The display on the liquid crystal display unit 3 can be seen through 2a.

Here, the cassette holder 10 must be kept closed during recording or reproduction, but in this embodiment, the cam gear 17 also serves the role, and the cassette holder 10 is It is not necessary to provide a mechanism for holding in a closed state.

When the operating portion 5 is exposed, the transmission protrusion 25d of the cam gear 17 does not reach the transmission lever 13c of the cassette elevating mechanism 13, so that the elevating lever 13
"a" is a state in which the elevating guide surface 13d is retracted by being pulled by the tension coil spring 14 and inclined backward. Further, the flap 31 closes the cassette insertion / removal port 4 by a force of a not-shown torsion coil spring or the like.

From the state where the operation section 5 is exposed, when an operation button (not shown) is pressed in order to make the cassette insertion / removal port 4 exposed as shown in FIG. The motor 20 rotates in the direction of arrow a. Then, the cam gear 17 rotates in the direction of the arrow b, and the spur gear 16 rotates in the direction of the arrow c, by receiving the driving force via the pulleys and the gear group.

When the spur gear 16 rotates in the direction of arrow c, the panel mounting portion 15 in which the spur gear 16 meshes with the rack gear 15b is guided by the rail 9c and rises in the direction of arrow d. Thereby, the panel 2 is further raised.

When the cam gear 17 rotates in the direction of arrow b, the control cam 26b moves away from the position detected by the first sensor 28a, and the output of the first sensor 28a is turned off. Note that the output of the second sensor 28b remains off.

Further, when the cam gear 17 rotates in the direction of arrow b, the guide post 10f of the cassette holder 10 is rotated.
Is changed from the closed holding cam surface 25b to the open / close guide cam surface 25c.

The opening / closing guide cam surface 25c is
7 is connected to the open holding cam surface 25a located outside, and when the contact position of the guide post 10f changes from the closing holding cam surface 25b to the open / close guide cam surface 25c, the cam gear 17 arrow b
The guide post 10f is rotated by the cam gear 17
Can be moved away from the center of the camera.

As shown in FIG. 3, the cassette holder 10 receives a force to rotate forward about the shaft 10e by the torsion coil spring 11, so that the guide post 10f moves with the rotation of the cam gear 17 in the direction of the arrow b. Opening and closing guide cam surface 2
It moves in a direction away from the center of the cam gear 17 along 5c.

As a result, the cassette holder 10 is
Rotate forward with e as the fulcrum and open. Here, since the open / close guide cam surface 25c has a circular arc shape protruding in the rotation direction indicated by the arrow b, the cassette holder 10 does not suddenly open.

Further, by providing a guide surface 25d at a position opposite to a connection point between the closing holding cam surface 25b and the open / close guide cam surface 25c, the open / close guide cam surface 2 of the guide post 10f is provided.
Reliable guidance to 5c becomes possible.

FIG. 9 is a side sectional view showing the internal structure of the audio equipment 1 in the process of opening and closing the cassette holder 10.
As the cassette holder 10 opens, the flap opening / closing lever 10g comes into contact with the contact surface 31c of the opening / closing lever 31b of the flap 31 as shown in FIG. At this time, since the guide post 10f of the cassette holder 10 is in contact with the opening and closing guide cam surface 25c of the cam gear 17, when the cam gear 17 rotates in the direction of the arrow b, the guide post 10f moves to the opening and closing guide cam surface 25c. The cam gear 17 can move further away from the center of the cam gear 17. Therefore, the cassette holder 10 is further rotated forward with the shaft 10e as a fulcrum and opened by the force of the torsion coil spring 11 shown in FIG.

FIG. 10 is a sectional side view of a main part of the audio equipment 1 showing a process of opening and closing the flap 31. The contact surface 31 of the opening / closing lever 31b of the flap 31
When the cassette holder 10 is further opened from the state in which it comes into contact with the opening c, the flap opening / closing lever 10 g pushes down the opening / closing lever 31 b of the opening / closing flap 31. Since the flap 31 has a structure rotatable inward about a shaft 31a provided at a lower portion thereof, the flap 31 is pushed down by the flap opening / closing lever 10g with the rotation of the cassette holder 10 in the opening direction. It rotates inward around the shaft 31a.

Flap open / close lever 10g and open / close lever 3
The contact point of the contact surface 31c of the cassette holder 1b is rotated around the shaft 10e of the cassette holder 10 and the flap 31
Is moved by rotation about the axis 31a. At this time, since the contact surface 31c draws an arc, the flap opening / closing lever 10g can move smoothly while contacting the contact surface 31c, and the flap 31 can be opened and closed smoothly.

Here, the flap opening / closing lever 10g is provided outside the cassette holder 10 in the width direction, and the opening / closing lever 31b is correspondingly provided outside the flap 31 in the width direction. 10 g and the opening / closing lever 31 b do not hinder opening / closing of the flap 31 and opening / closing of the cassette holder 10.

Further, the cassette holder 10 and the flap 31
In the process of opening and closing the cassette holder 10, the flap opening / closing lever 10g and the opening / closing lever 31b come into contact with each other, so that a link mechanism or the like that constantly connects the cassette holder 10 and the flap 31 is not required, and has a simple structure. The flap 31 can be opened and closed in conjunction with the opening and closing of the cassette holder 10.

Further, since the cassette holder 10 is opened by the force of the torsion coil spring 11, the force for closing the flap 31 by a not-shown torsion coil spring or the like is weaker than the force for opening the cassette holder 10. I do.

FIG. 11 is a side sectional view showing the internal structure of the audio equipment 1 with the cassette holder 10 opened.
When the cam gear 17 further rotates in the direction of arrow b due to the rotation of the motor 20 in the direction of arrow a, the cassette holder 10
The contact point of the guide post 10f changes from the open / close guide cam surface 25c to the open holding cam surface 25a. At this stage, the distance from the center of the cam gear 17 to the guide post 10f is maximum, and the cassette holder 10 is in the eject position in which the opening 10a is open to the position facing the cassette insertion / removal opening 4. When the cassette holder 10 is in the eject position, the flap 31
The opening / closing lever 31b is pushed down by the flap opening / closing lever 10g, and the opening 10a of the cassette holder 10 is opened.
To open the cassette insertion / ejection port 4, and serves as a guide between the opening 10a of the cassette holder 10 and the cassette insertion / ejection port 4, thereby preventing the cassette tape 6 or the like from falling into the apparatus.

When the contact position of the guide post 10f of the cassette holder 10 changes from the open / close guide cam surface 25c to the open holding cam surface 25a by the rotation of the cam gear 17 in the direction of the arrow b, the transmission projection 25e provided on the outer periphery of the cam gear 17
Abuts on the transmission lever 13c of the cassette lifting mechanism 13.

FIG. 12 is a side sectional view showing the internal structure of the audio equipment in a state where the cassette tape is pushed up. When the cam gear 17 further rotates in the direction of the arrow b due to the rotation of the motor 20 in the direction of the arrow a from the state in which the cassette holder 10 is opened, the transmission protrusion 25 e on the outer periphery of the cam gear 17 pushes the transmission lever 13 c of the cassette lifting mechanism 13. . When the transmission lever 13c is pressed, the lifting lever 13a connected to the transmission lever 13c and the shaft 13b rotates forward on the shaft 13b as a fulcrum against the tension coil spring 14. As a result, the lifting guide surface 13 of the lifting lever 13a
d comes into contact with the bottom surface of the cassette tape 6 and pushes up the cassette tape 6.

At this time, the contact position between the guide post 10f of the cassette holder 10 and the open holding cam surface 25a changes. However, since the open holding cam surface 25a is provided on an arc having the same radius from the center of the cam gear 17, the cam gear 17 The distance from the center of 17 to the guide post 10f does not change, and the cassette holder 10 is kept open.

Further, on the front side of the cassette holder 10,
When the cassette holder 10 is opened, the cassette tape 6 is guided and pushed up by the roller 10h, so that the cassette tape 6 can be smoothly pushed out by the elevating lever 10a.

In the process of rotating the cam gear 17 in the direction of the arrow b to open the cassette holder 10, the driving force of the motor 20 is also transmitted to the spur gear 16 to open the cassette holder 10 and push up the cassette tape 6. In the meantime, the panel 2 is rising in the direction of arrow d.

When the cam gear 17 rotates in the direction of arrow b, the control cam 27b reaches the position detected by the second sensor 28b, and the output of the second sensor 28b is turned on.

The control cam 27b is connected to the second sensor 28b
Is reached, the transmission projection 25e on the outer periphery of the cam gear 17 rotates the elevating lever 13a to push up the cassette tape 6, and the panel 2 rises to a position where the cassette insertion / ejection opening 4 is exposed. I have to do it. Thus, if the drive of the motor 20 is stopped when only the output of the second sensor 28b is turned on, the cassette tape 6 can be put in and taken out.

As described above, when both the first sensor 28a and the second sensor 28b are in the ON state, FIG.
As shown in FIG. 2A and FIG. 2, the panel 2 is in a closed position covering the operation unit 5 and the cassette insertion / removal port 4,
In addition, the cassette holder 10 is closed, and is in a state where reproduction and recording can be performed.

When both the first sensor 28a and the second sensor 28b are on, the motor 20
When the driving of the motor 20 is stopped in a state where only the first sensor 28a is turned on, the panel 2 is in a state where the operation unit 5 is exposed as shown in FIGS. 1B and 8. In addition, the cassette holder 10 is closed, and is in a state where reproduction and recording can be performed.

When the motor 20 is rotated in the direction of arrow a from the state where only the first sensor 28a is on, and the driving of the motor 20 is stopped while only the second sensor 28b is on, FIG. ) And panel 2 as shown in FIG.
Is a state in which the cassette insertion / removal port 4 and the operation unit 5 are exposed, and the cassette holder 10 is open.
Further, the cassette tape 6 is pushed up and is ready to be put in and taken out.

The loading of the cassette tape 6 is started from the state shown in FIG. When the cassette tape 6 is inserted into the cassette holder 10 through the cassette insertion / removal port 4, the bottom of the cassette tape 6 abuts on the elevating lever 13a of the cassette elevating mechanism 13. As a result, the upper portion of the cassette tape 6 comes out of the cassette insertion / ejection port 4, and can be inserted / removed again. In addition, since the flap 31 is retracted at the lower portion inside the cassette insertion / removal port 4, it is possible to prevent the cassette tape 6 or foreign matter from accidentally entering the lower side of the cassette holder 10.

When an operation button (not shown) is pressed to take in the cassette tape 6, the motor 20 rotates in the direction of arrow e from the state shown in FIG. Then, the cam gear 17 rotates in the direction indicated by the arrow f, and the spur gear 16 rotates in the direction indicated by the arrow g.

When the spur gear 16 rotates in the direction of arrow g, the panel mounting portion 15 in which the spur gear 16 meshes with the rack gear 15b is guided by the rail 9c and descends in the direction of arrow h. As a result, the panel 2 starts descending.

When the cam gear 17 rotates in the direction of arrow f, the control cam 27b moves away from the position detected by the second sensor 28b, and the outputs of the first sensor 28a and the second sensor 28b are both turned off.

When the cam gear 17 rotates in the direction of arrow f,
Since the transmission projection 25e on the outer periphery of the cam gear 17 rotates in a direction away from the transmission lever 13c of the cassette elevating mechanism 13, the elevating lever 13a rotates about the shaft 13b as a fulcrum by the tension coil b spring 14 and inclines backward. As a result, the cassette tape 6 descends in the cassette holder 10 by its own weight. At this time, since the cassette holder 10 is provided with the roller 10h on the front surface, the cassette tape 6 can be smoothly lowered by its own weight.

At the stage of lowering the cassette tape, the guide post 10f of the cassette holder 10 is in contact with the open holding cam surface 25a of the cam gear 17. As a result, the cassette holder 10 is kept open.

When the cam gear 17 rotates in the direction of arrow f from the state shown in FIG. 12, the contact portion of the guide post 10f of the cassette holder 10 moves from the open holding cam surface 25a to the open / close guide cam surface 25c as shown in FIG. Changes to At this stage, the elevating lever 13a of the cassette elevating mechanism 13
Is a retracted state inclined backward, and separates from the bottom of the cassette tape 6. The upper part of the cassette tape 6 enters the inside of the cassette insertion / ejection opening 4. Thereby, the cassette holder 10 becomes rotatable.

When the contact point of the guide post 10f becomes the open / close guide cam surface 25c, the open / close guide cam surface 2c
5c connects the closed holding cam surface 25b located inside the cam gear 17 and the open holding cam surface 25a located outside, so that the guide post 10f is pushed up as the cam gear 17 rotates in the arrow f direction. . This allows
The cassette holder 10 closes around the shaft 10e against the torsion coil spring 11 shown in FIG.

When the cassette holder 10 is closed, the flap opening / closing lever 10g is moved to the opening / closing lever 31 of the flap 31.
Since it moves in the direction away from b, the shaft 31a is rotated about the fulcrum by the force of a torsion coil spring or the like (not shown) and closed. Then, the flap opening / closing lever 10g is moved to the flap 31.
When the cassette holder 10 is closed to a position away from the opening / closing lever 31b, the flap 31 closes the cassette insertion / ejection opening 4.

When the cam gear 17 rotates in the direction indicated by the arrow f, the control cam 26b is switched to the first sensor 2 as shown in FIG.
8a, the first sensor 28a
Only the output of is turned on.

At this stage, the contact position of the guide post 10f of the cassette holder 10 changes from the opening / closing guide cam surface 25c of the cam gear 17 to the closing holding cam surface 25b. Thus, the cassette holder 10 can be held in the closed state and this state can be held by the closing holding cam surface 25b.
Reproduction or recording of the cassette tape 6 becomes possible.

In the process of closing the cassette holder 17 by rotating the cam gear 17 in the direction of the arrow f, the driving force of the motor 20 is also transmitted to the spur gear 16, and the panel 2 descends as the cassette holder 10 closes. Go.

When only the first sensor 28a is turned on, the panel 2 is located at a height at which only the operation unit 5 is exposed. Therefore, if the drive of the motor 20 is stopped at the stage where only the output of the first sensor 28a is turned on while the motor 20 is being rotated in the direction of the arrow e, reproduction or recording is performed with the cassette holder 10 closed. It becomes possible and the operation unit 5 is exposed,
The operation using is enabled.

When the motor 20 is further rotated in the direction of arrow e after only the first sensor 28a is turned on, the spur gear 16 rotates in the direction of arrow g and the panel 2 descends in the direction of arrow h. , Covering the operation unit 5.

Although the cam gear 17 rotates in the direction of the arrow f, the cassette holder 10 is kept closed because the guide post 10f of the cassette holder 10 is in contact with the closing holding cam surface 25b.

When the cam gear 17 rotates in the direction of arrow f, as shown in FIG. 2, the first sensor 28a detects the control cam 26a and the second sensor 28a.
b detects the control cam 27a, and the outputs of both the first sensor 28a and the second sensor 28b are turned on. At this stage, since the panel 2 is in the closed state, when both the first sensor 28a and the second sensor 28b are turned on,
The driving of the motor 20 is stopped. Thus, the panel 2 is in a closed state, and the cassette holder 10 is in a closed state in which the cassette tape 6 can be reproduced and recorded.

As described above, in the present embodiment,
The panel 2 and the cassette holder 10 can be opened and closed by the driving force of the motor 20. In order to open and close the cassette holder 10 by the driving force of the motor 20, a cam gear 17 provided with a cam surface having a shape that guides the opening and closing of the holder is used.
By transmitting the cam displacement directly to the guide holder 10f, the cam displacement is directly transmitted to the cassette holder 10, so that the number of parts can be reduced.

Further, since the cassette holder 10 is provided inside the apparatus, the operation section 5 can be provided in front of the cassette holder 10, and the space in front of the apparatus can be effectively utilized.

Although the present embodiment has been described by taking as an example an audio device using a cassette tape as an example of a recording medium, the recording medium is not limited to this, and is applicable to an apparatus for processing various recording media. It is something.

[0123]

As described above, the present invention relates to a panel provided on the front of the apparatus so as to be openable and closable, an insertion / removal opening for a recording medium provided inside the panel, and a recording medium provided inside the apparatus. A holder that rotates while holding the medium, and a holder in which the upper portion of the recording medium is inclined to an eject position facing the insertion / removal port, and opens / closes the insertion / removal port in conjunction with opening / closing of the holder. And a flap retracted at a lower portion inside the outlet.

In the present invention, the flap provided at the insertion / ejection opening of the recording medium closes the lower portion inside the insertion / ejection opening when the holder is at the eject position. Thereby, it is possible to intervene between the insertion / extraction port and the holder to serve as a guide for taking in and out of the medium, and also to prevent foreign substances, recording media and the like from falling into the apparatus. The opening and closing of the flap is linked to the opening and closing of the holder, and does not require a separate drive source, so that a small-sized acoustic device can be provided at low cost.

[Brief description of the drawings]

FIG. 1 is an external perspective view showing an example of an embodiment of an acoustic device of the present invention.

FIG. 2 is a side sectional view showing a configuration of a main part of the audio device of the present embodiment.

FIG. 3 is a partially cutaway perspective view of the cassette unit of the embodiment.

FIG. 4 is a front view showing a driving force transmission mechanism of the cassette unit.

FIG. 5 is a plan view of the cam gear.

FIG. 6 is an explanatory view showing an operation structure of a sensor.

FIG. 7 is a perspective view of a flap.

FIG. 8 is a side cross-sectional view of the acoustic device in a state where an operation unit is exposed.

FIG. 9 is a side sectional view of the audio device in the process of opening and closing the cassette holder.

FIG. 10 is a side sectional view of the acoustic device showing a process of opening and closing the flap.

FIG. 11 is a side sectional view of the audio device with the cassette holder opened.

FIG. 12 is a side sectional view of the audio device in a state where the cassette tape is pushed up.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Audio equipment 2 ... Panel 3 ... Liquid crystal display part 4 ... Cassette insertion / removal port 5 ... Operation part 6 ... Cassette tape 7 ... Cassette unit 10 ... Cassette Holder 10e: Shaft 10f: Guide post 10g: Flap opening / closing lever 11: Torsion coil spring 13: Cassette lifting mechanism 13a: Lifting lever 13b: Shaft 13c: Transmission lever 15 Panel mounting part 15b Rack gear 16 Spur gear 17 Cam gear 17b Holder opening / closing cam 18 Main gear 20 Motor 25a Open holding cam surface 25b · · · Closed holding cam surface 25c · · · Opening and closing guide cam surface 25e · · · Transmission protrusion 26a · · · Control cam 26b · · · Control cam 27a · · · Control 27b ... control cam 28a ... first sensor 28b ... second sensor 31 ... flap 31a ... shaft 31b ... opening lever

Claims (6)

[Claims] 1. A panel provided on the front of the apparatus so as to be openable and closable, an insertion / removal opening for a recording medium provided inside the panel, and provided inside the apparatus, holding and rotating the recording medium
A holder in which the upper portion of the recording medium is inclined to an eject position opposite to the insertion / removal port; opening / closing the insertion / removal port in conjunction with opening / closing of the holder; A recording medium processing device comprising a flap. 2. A flap opening / closing lever which is displaced by opening / closing the holder, wherein the holder comes into contact with the flap opening / closing lever in the process of opening / closing the holder, and the displacement of the flap opening / closing lever is changed by the flap opening / closing lever. 2. A recording medium processing apparatus according to claim 1, further comprising an opening / closing lever for converting the operation into an opening / closing operation. 3. A first driving force transmitting unit for converting a driving force of a motor into an opening / closing operation of the panel, and a second driving force transmitting unit for converting a driving force of the motor into a rotating operation of the holder. The recording medium processing apparatus according to claim 1, further comprising: 4. The apparatus according to claim 3, wherein the first driving force transmitting means is a combination of a gear receiving the driving force of the motor and a rack gear for converting the rotation of the gear into a linear motion. Recording medium processing device. 5. The second driving force transmitting means is a combination of a gear receiving the driving force of the motor and a cam having a shape for converting rotation of the gear into opening and closing movement of the holder. 5. The recording medium processing device according to claim 3, wherein: 6. An operation section of the insertion / removal port is provided along an opening / closing direction of the panel, wherein the second driving force transmitting means controls a gear receiving the driving force of the motor and a rotation of the gear. A combination of a cam having a shape for holding the holder in a closed state while converting the opening and closing movement of the holder and opening and closing the panel to a position exposing the operation unit. Item 6. The recording medium processing apparatus according to item 3, 4 or 5.