JPH07287974A - Structure of loading and unloading operation part - Google Patents

Abstract

PURPOSE:To provide the structure of a loading/unloading operation part capable of suppressing the cost increase and providing a detection switch for the loading/ unloading the operation part. CONSTITUTION:A projecting abutting part 12 is provided loadably/unloadably operation part holder holding the operation part 7. On the other hand, the detection switch 15 for the loading and unloading, which is operated from the abutting part 12 in accordance with the loading/unloading of the operation part and fixed on the rear of a control substrate 19, is provided on the rear side of the operation part 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a detachable operating portion structure in which a recording medium is inserted into an insertion opening of a casing body and an operating portion is detachably provided on a front surface portion of the body.

[0002]

2. Description of the Related Art When a recording medium reproducing device such as a cassette tape player is mounted on a moving body such as an automobile and the vehicle is left, a part of the device, for example, an operating portion (operation) is used to prevent the recording medium reproducing device from being stolen. 2. Description of the Related Art There is known a detachable operation portion structure in which a panel is detached to make it portable.

As an example of the structure of the attachment / detachment operation section, a cabinet is detachably mounted in a space such as a dashboard of an automobile, a cassette tape insertion opening is formed in the front section of the cabinet as a main body, and the front section of the main body is formed. There is known a structure in which an operation portion holder is provided in the operation portion holder and the operation portion is detachably attached to the operation portion holder. Here, the operation unit holder is rotatably attached to the cabinet, which is the main body, and the cassette tape insertion opening is openable and closable, and various operation switches and the like attached to the internal printed circuit board are provided on the front face of the operation unit. And is detachably attached to the operation unit holder.

Here, when the operation portion holder is mounted on the main body integrally with the operation portion, the operation portion can be removed by operating the door open switch on the front surface of the operation portion to start the rotation of the motor or the like. When the device is activated, the operation portion holder is rotated with respect to the operation portion to be in an open state. Then, in this state, the operating portion can be carried by removing the operating portion from the operating portion holder. After that, the operation portion holder from which the operation portion has been removed is again rotated to the original position and mounted on the main body. The reason why the operating portion holder is reattached to the main body in this way is to ensure mechanical strength and safety against impact when the removed operating portion is reattached.

Now, such an operation section is equipped with a microcomputer for controlling the operation button operation and controlling the display, and various electric signals such as power supply to the microcomputer can be exchanged flexibly. The connector on the front of the operation unit holder that is connected to the printed circuit board via the printed circuit board is connected to the connector on the back side of the operation unit that is connected to the board inside the operation unit when the operation unit is attached to the operation unit holder. It is supposed to be.

[0006]

By the way, in such an attachment / detachment operation part structure, the operation part may be removed from the panel holder while the main body power is on. Then, the driving state of the microcomputer in the operation unit is interrupted due to the disconnection of the connector and the sudden power supply interruption, which may result in the program destruction of the microcomputer.

Therefore, in order to prevent this trouble, an attachment / detachment detection switch for detecting attachment / detachment of the operation portion and a switch board for holding the switch are provided in the operation portion holder, and power supply to the operation portion by the connector is cut off when the operation portion is removed. It is conceivable that the detachment detection switch detects the detachment of the operating section before it leans down to prevent the program destruction of the microcomputer of the operating section.

However, the above-mentioned structure requires a printed circuit board for holding the attachment / detachment detection switch and a screw for attaching this board to the operation portion holder mainly made of sheet metal, which not only leads to an increase in cost, but also reduces the thickness of the operation portion holder. There is a problem that it becomes a constraint.

The present invention has been made to solve the above problems, and an object of the present invention is to provide an attaching / detaching operation portion structure capable of providing an operating portion attachment / detachment detection switch while suppressing an increase in cost.

[0010]

In order to achieve the above object, the present invention provides a switch contact portion provided on the front surface of an operation portion holder and an operation portion when the operation portion is attached to the operation portion holder,
An operation unit attachment / detachment detection switch mounted on a printed circuit board provided inside the operation unit.

[0011]

According to the configuration of the present invention according to claim 1, since the operation section attachment / detachment detection switch is attached to the operation section board, it is necessary to prepare a special board for attaching the operation section attachment / detachment switch. In addition, since the switch can be fixed to the board by soldering, the switch can be fixed without adding a special fixing screw.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show an embodiment of the attachment / detachment operation portion structure according to the present invention. FIG. 1 is a horizontal sectional view, FIG. 2 is a vertical sectional view of an operation portion holder closed state, and FIG. 3 is an operation portion holder opened state. 4 is a vertical sectional view, and FIG. 4 is a vertical sectional view in a state where the operation portion is removed. In the figure, reference numeral 1 is a main body, which is provided with a recording medium insertion slot 2 on the upper front side and a main board 3 on the inner bottom side.
Is installed inside. Further, an operation portion holder 4 is attached to the front surface of the main body 1 so as to rotate while protruding forward. As shown in FIG. 2, the operation portion holder 4 has a slide plate 5 whose lower end slides back and forth with respect to the main body 1.
The lever 6 is axially fixed to the main body 1, and the upper end of the lever 6 is axially fixed to the main body 1. Therefore, as shown in FIG. 3, when the slide plate 5 is slid forward from the main body 1 by a motor or the like (not shown), the lower end side of the operation portion holder 4 is pushed forward and the upper end side is connected to the main body 1 by the lever 6. Therefore, it rotates in the horizontal direction as a whole.

As shown in FIG. 1, the operation portion holder 4 is bent at its end portion, and a convex portion 10 is formed on one end side thereof. In addition, the main substrate 3 of the main body 1 is provided near the convex portion.
The holder-side connector 8 connected via the flexible printed wiring board 11 is attached. Further, a convex contact portion 12 is formed in the central portion, and a lock hole 13 is formed on the other end side.

On the other hand, the operating portion 7 is formed with a concave portion 9 on one side for engaging with the convex portion of the operating portion holder, and on the back surface thereof, the holder side connector 8 when the operating portion 7 is mounted on the operating portion holder 4. Panel side connector 14 to be connected to the hole 7a in the vicinity thereof
Inside, the attachment / detachment detection switch 15 operated by the contact portion 12 when mounted on the operation portion holder 4, and the hook portion of the lock lever 16 that slides sideways and locks in the lock hole 13 of the operation portion holder 4 when the operation portion 7 is mounted. 17 is protruding.

The panel-side connector 14 and the attachment / detachment detection switch 15 arranged on the back side of the operation section 7 are not shown in the figure, with an operation switch 19 operated by an operation button 18 on the front side of the operation section 7 being attached to the front side. It is directly attached to the rear surface of the control board 19 in the operation portion 7 to which the operation portion microcomputer is attached.

When the operating portion 7 is attached to the operating portion holder 4 constructed as described above, first, the concave portion 9 of the operating portion 7 is engaged with the convex portion 10 of the operating portion holder 4 to move the operating portion 7 to the operating portion holder. When pressed against 4, the holder-side connector 10 and the panel-side connector 14 are connected first, and then the convex contact portion 1
2 enters the hole 7a and operates the attachment / detachment detection switch 15. Finally, the lock lever 14 slides laterally, and the hook portion 17 engages with the lock hole 13, whereby the operation portion 7
Is held in the operation portion holder 4.

On the contrary, when the operation portion 7 is removed from the operation portion holder 4, the lock hole 16 and the hook portion 17 are disengaged by laterally sliding the lock lever 16, and the attachment / detachment detection switch 15 is immediately detached from the operation portion 7. To detect. After that, the connection between the panel side connector 14 and the holder side connector 8 is broken, and the operation section 7 is removed from the operation section holder 4.

Thus, the contact portion 1 on the side of the operation portion holder 4
2 has a convex shape, and the attachment / detachment detection switch on the rear surface of the operation unit is provided with a hole 7a.
By burying it inside, it is possible to prevent the operation section from being detached and being damaged by accidentally touching the attachment / detachment detection switch when carrying it.

[0019]

As described above, according to the present invention according to claim 1, a separate fixing member, electrical wiring, etc. are not required when installing a switch for detecting attachment / detachment of the operating portion to / from the operating portion holder. It is possible to suppress cost increase.

[Brief description of drawings]

FIG. 1 is a horizontal sectional view showing a structure of an attachment / detachment operating portion of the present invention.

FIG. 2 is a vertical sectional view showing a closed state of an operation portion holder of the attachment / detachment operation portion structure of the present invention.

FIG. 3 is a vertical cross-sectional view showing an opened state of the operation portion holder of the attachment / detachment operation portion structure of the present invention.

FIG. 4 is a vertical sectional view showing a detached state of the operating portion of the attachment / detachment operating portion structure of the present invention.

[Explanation of symbols]

 1 Main body 4 Operation part holder 7 Operation part 12 Abutment part 15 Attachment / detachment detection switch

Claims (1)

[Claims] 1. A main body having an insertion opening on the front surface for inserting a recording medium, an operation portion holder movable with respect to the main body, an operation portion detachable from the operation portion holder, and the operation portion. A switch contact portion provided on the front surface, and is operated when the operation portion is attached to the operation portion holder,
An attachment / detachment operation portion structure comprising an operation portion attachment / detachment detection switch mounted on a printed circuit board provided inside the operation portion.