JPH0520766A - Cd auto-changer - Google Patents

Abstract

PURPOSE:To prevent the collision between the magazine ejected by an auto- ejection mechanism and the cover part of a CD auto-changer. CONSTITUTION:A CD auto-changer 1 is provided with a magazine store part 5 which stores a magazine 3 storing plural CDs, a magazine ejection mechanism part, an ejection control means 6 which operates the magazine ejection mechanism part, and a cover part 2 which covers the front face of a magazine loading port 4 of the part 5. The means 6 is effective only when the front face of the port 4 is completely opened through the part 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a CD autochanger, and more specifically, to a collision between a magazine ejected by an autoeject mechanism in the CD autochanger and a cover portion of the CD autochanger. The present invention relates to a CD auto chainer that can be prevented.

[0002]

2. Description of the Related Art Conventionally, a CD auto chainer is often installed in the trunk of a vehicle, and is therefore often used in a dusty environment. In order to protect the eject mechanism, the compact disc playing mechanism, etc., the front of the magazine insertion opening of the magazine storage section is provided with a cover such as a lid and a door so that such dust does not enter the CD auto chain. Has been devised.

However, as shown in FIG. 4, in a CD autochanger having such a cover portion, as shown in FIG.
D The operation of opening, that is, opening the cover portion 2 of the automatic chainer 1 and the operation of ejecting the magazine 3 from the magazine insertion port 4 of the magazine storage portion are separate, and therefore the cover portion of the door or the like is separate. When the eject control means such as an eject key for activating the auto-eject mechanism of the magazine is operated while 2 is not completely opened, the magazine is ejected and collides with the cover part 2 such as the door and the cover part 2 moves. There is a problem of disappearing.

The above problem will be described in more detail with reference to FIG.
As shown in, a magazine 3 in which a plurality of compact discs (CDs) are stored on the front surface of the CD auto chainer 1
Is provided with a magazine storage section 5 for storing therein, and the structure is such that the magazine 3 is inserted into and discharged from the magazine insertion slot 4 of the magazine storage section 5, and is on the front surface of the magazine storage section 5 and the magazine insertion slot 4 A cover portion 2 that slides in the lateral direction is provided so as to cover the.

In such a structure, in the conventional CD automatic chainer, the auto eject mechanism is operated in front of the magazine housing section 5 and in the vicinity of the magazine insertion slot 4 to eject the magazine. An operation key for ejecting, that is, an eject switch 6 is provided. However, the eject switch 6 can be pressed even when the cover portion 2 does not completely open the front surface of the magazine insertion opening 4, so that the above-described problem occurs.

Further, in the example of FIG. 6, the cover portion 2 on the front surface of the CD automatic chainer 1 is constructed so that the cover portion 2 on the front surface is pulled down 90 degrees to open the front surface of the magazine insertion slot 4. However, even in such a configuration, there is a risk that the eject switch 6 is pressed before the cover portion 2 is completely opened, and the auto eject mechanism of the CD autochanger is broken or the cover portion is damaged. There was a problem of damaging 2. Also, in the conventional example,
When such a problem occurs, it is often impossible for the user to repair it anymore, which is inconvenient to handle.

[0007]

SUMMARY OF THE INVENTION An object of the present invention is to improve the above-mentioned drawbacks of the prior art, and to provide a magazine ejected by an auto eject mechanism with a simple structure and a cover portion of the CD auto changer. The present invention provides a CD auto chainer capable of preventing a collision.

[0008]

In order to achieve the above-mentioned object, the present invention adopts the technical constitution as described below. That is, a plurality of compact disks (C
A magazine storage unit for storing a magazine storing D), a mechanism unit for ejecting the magazine, an eject control unit for operating the magazine eject mechanism unit, and a cover unit for covering the front surface of the magazine insertion port of the magazine storage unit. In the CD auto-changer that is provided, the eject control means is a CD auto-changer configured so as to be effective only when the cover portion completely opens the front surface of the magazine insertion opening.

[0009]

In the present invention, since the basic technique as described above is adopted, if the cover portion or the like does not completely open the front surface of the magazine insertion port 4 of the magazine storage portion, the automatic The eject control means for controlling the eject mechanism, for example, the auto eject mechanism does not operate even when the eject key or the like is pressed, so that the magazine 3 ejected from the auto eject mechanism is This completely solves the problem of being inoperable due to collision with the cover portion 2 or the like.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A specific example of the CD auto chainer according to the present invention will be described in detail below with reference to the drawings. Figure 1
FIG. 3 is a diagram showing a specific example of a CD auto chainer according to the present invention, which includes a magazine storage unit 5 for storing a magazine 3 storing a plurality of compact discs (CDs) and a mechanism unit for ejecting the magazine 3 (see FIG. (Not shown), the eject control in the CD automatic chainer 1 having the eject control means 6 for operating the magazine eject mechanism section and the cover section 2 for covering the front surface of the magazine insertion slot 4 of the magazine accommodating section 5. The means 6 is a CD autochanger configured so as to be effective only when the cover portion 2 completely opens the front surface of the magazine insertion slot 4.

The magazine, magazine housing, auto-eject mechanism, cover and the like used in the present invention are conventionally known ones, and may not be particularly characteristic in the present invention. Is. The eject control means used in the present invention is not particularly limited, but may be operated manually, or electrically, optically,
Further, any thing can be used as long as it has a function of operating the auto eject mechanism by using a magnetic means.

The present invention may employ a particularly simple switch mechanism such as an eject key and an eject button. What is important in the present invention is that the eject control means 6 needs to be controlled by the positional relationship of the cover portion 2. Specifically, the eject control means 6 is The cover part 2 is the magazine insertion port 4
It is configured to be effective only when the front surface of is completely opened. That is, the eject control means 6 in the present invention comprises a switch mechanism such as an eject key and an eject button while the cover portion 2 does not completely open the front surface of the magazine insertion slot 4. Even if the eject control means 6 is operated, the auto eject mechanism does not operate. Therefore, there is no possibility that the magazine is ejected carelessly and comes into contact with the cover portion 2.

In the embodiment of FIG. 1, the eject control means and the cover portion are physically engaged with each other, and only when the cover portion completely opens the front surface of the magazine insertion opening. The physical engagement relationship between the eject control means and the cover part is released, and the operation of the eject control means becomes effective.

That is, in FIG. 1A, the cover portion 2 is provided on the front surface portion of the main body of the CD autochanger.
A control piece 7 is provided at the lower end portion of the cover portion 2, and the control piece 7 is physically engaged with the groove portion 9 of the eject key 66 which is one of the eject control means having the groove portion 9. On the other hand, a cutout 10 is formed at the left end 8 of the control piece 7.
Are formed. As shown in FIG. 1B, the cutout portion 10 has reached a position where the front surface of the magazine insertion slot 4 is completely opened by sliding the cover portion 2 to the right. The position where the eject key 66 is sometimes disengaged from the groove 9 is selectively formed.

Therefore, while the cover portion 2 is in a state where the front surface of the magazine insertion opening 4 is not completely opened,
No matter how the eject key 66, which is the eject control means 6, is pressed, the key is not operated. Therefore, the auto eject mechanism does not operate, but the cover portion 2 has the front surface of the magazine insertion port 4 completely. When it reaches a position where the eject key 66 is released, the groove 9 of the eject key 66 is released from the engagement with the control piece 7 of the cover 2, so that the operation of the eject control means 6 becomes effective. By pressing the eject key 66, the magazine is automatically ejected.

As another example according to the present invention, as shown in FIG. 2, an opening position detecting means 11 for detecting a state in which the cover portion 6 completely opens the front surface of the magazine insertion slot 4 is provided. The operation of the eject control means 6 is made effective in response to the output signal of the open position detection means 11. Specifically, unlike the mechanical engagement relationship of FIG. 1, the cover portion 2 is provided at any suitable position of the CD autochanger, preferably in the vicinity of the sliding portion of the cover portion 2. Is provided with a means for detecting the position of the magazine insertion opening 4 when the front surface of the magazine insertion opening 4 is completely opened, and using the detection signal of the detection means,
The operation of the eject control means 6 is made effective, that is, the eject control means 6 is actuated and the eject key 66 is pressed to operate the auto eject mechanism.

As the open position detecting means 11, any limit switch can be used as long as it can detect the position of the cover portion 2 by means of electrical, optical and magnetic means. Yes The open position detecting means 1
By transmitting the detection output signal No. 1 to an appropriate switching means provided in the body eject control means by using an appropriate circuit means, the eject control means becomes effective.

Next, as another specific example of the CD auto chainer according to the present invention, there is a mode in which the eject control means includes the open position detecting means. That is, in this specific example, the eject control means 6 and the open position detecting means 11 are used in common, and the number of switch means can be reduced as compared with the specific example described above.

Specifically, the detection switch of the open position detecting means 11 shown in FIG. 2 also serves as the operation instructing means of the auto eject mechanism. FIG. 3 shows an example of the control circuit of the CD autochanger according to the present invention. That is, one end of the excitation circuit R that drives the motor M that drives the auto-eject mechanism according to the present invention is connected to the power source + B, and the other end is grounded via the drive transistor 12, and the base of the transistor is connected. The control signal of the eject control means 6 is input to the.

In the first embodiment of the present invention, the switch 6 that can be pressed only when the cover 2 reaches the position where the front surface of the magazine insertion opening 4 is completely opened. The output of the switch of the eject control means 6 is connected to the base of the transistor, and a voltage sufficient to turn on the transistor is supplied through the switch 6. And the output of the open position detecting means 11 for detecting that the cover portion 2 has reached the position where the front surface of the magazine insertion slot 4 is completely opened, via the AND gate circuit 13 the base of the transistor 12 It can be executed by connecting to.
Further, in the third concrete example, A in the second concrete example is used.
This can be easily performed by short-circuiting the input of the ND gate circuit 13 and using it.

[0021]

According to the present invention, even if the switch of the eject control means 6 of the magazine is accidentally pressed while the cover portion 2 is not completely opened, the magazine is ejected from the auto eject mechanism as in the conventional case. As a result, there is no problem of colliding with the cover part 2 or the like and making it inoperable.

[Brief description of drawings]

FIG. 1 is a schematic view showing one specific example of a CD auto chainer according to the present invention.

FIG. 2 is a schematic view showing another specific example of the CD auto chainer according to the present invention.

FIG. 3 is a diagram showing an example of a circuit configuration for operating a CD autochanger according to the present invention.

FIG. 4 is a diagram showing an example of eject operation of a magazine in a conventional CD auto chainer.

FIG. 5 is an enlarged view showing an eject portion of a magazine in a conventional CD auto chainer.

FIG. 6 is an enlarged view showing another example of the eject portion of the magazine in the conventional CD auto chainer.

[Explanation of symbols]

1 ... CD auto chain main unit 2 ... Cover 3 ... Magazine 4 ... Magazine insertion hole 5 ... Magazine storage 6 ... Eject control means 7 ... Control piece 7 9 ... Groove 10 ... Notch 11 ... Open position detecting means 12 ... Transistor 13 ... AND gate circuit

Claims (4)

[Claims] 1. A magazine storage unit for storing a magazine storing a plurality of compact disks (CDs), a mechanism unit for ejecting the magazine, an eject control means for operating the magazine eject mechanism unit, and a magazine insertion of the magazine storage unit. C having a cover portion covering the front surface of the mouth
In the D auto-changer, the eject control means is configured to be effective only when the cover portion completely opens the front surface of the magazine insertion slot. . 2. The eject control means and the cover portion are physically engaged with each other, and only when the cover portion completely opens the front surface of the magazine insertion opening. 2. The CD auto-changer according to claim 1, wherein the physical engagement relationship with is released so that the eject control means can be operated. 3. An opening position detecting means for detecting a state in which the cover portion completely opens the front surface of the magazine insertion opening is provided, and the eject control means is operated in response to an output signal of the opening position detecting means. 2. The CD autochanger according to claim 1, wherein the CD autochanger is configured to be effective. 4. The CD autochanger according to claim 1, wherein the eject control means starts an eject operation in response to an output signal of the open position detecting means.