JPH09321641A - Audio equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an audio equipment in which a front panel is not fallen down from the equipment main body even in the case of separating the front panel. SOLUTION: Even when a release button 7 is depressed, a front panel 2 does not completely flip out of the equipment main body but a claw 12c of an attachment/detachment mechanism section 20 is kept to be locked to a projection of the front panel 2 so as to prevent the front panel 2 from falling down. Furthermore, a fitting part consisting of a hinge in a conventional equipment is replaced with a projection 1d and a recessed part 2a integrally formed to a base panel 1c and the front panel 2 of the equipment main body 1. Moreover, a plate pressing spring is replaced with a a resin-made lock member 12 of the attachment/detachment mechanism section 20. Thus, the component fitted to the equipment main body 1 is only the attachment/detachment mechanism section 20 and the space factor of the equipment main body 1 is improved. Furthermore, the components for the attachment/detachment are all made of a resin, then they are manufactured at a low cost.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio device in which a front panel is detachably attached to a device body. Specifically, when unlocking the front panel with respect to the device body, the front panel is unlocked by being configured so that the front panel is locked to the device body while the front panel is slightly pushed out from the device body. The present invention relates to an audio device in which the front panel is prevented from falling off from the device body when it is carried out.

[0002]

2. Description of the Related Art An audio device that can receive radio broadcasts and can play music software such as a mini disk and an analog cassette tape. In some cases, the front panel and the main body of the apparatus are configured to be detachable so that the front panel can be carried when leaving the vehicle.

This is to prevent theft of the equipment in the vehicle.
This is because the function of the audio device is removed by removing the front panel to prevent the device body from being stolen.

FIG. 6 shows a conventional example of an audio device provided with such an antitheft measure. This audio device, for example a car stereo, is composed of a device body 1 and a front panel 2, and the front panel 2 is detachably attached to the device body 1. The device main body 1 has a radio broadcast receiving unit and a cassette tape reproducing unit incorporated therein, and the front panel 2 has a cassette tape insertion hole 3, a power switch 4, a preset key for radio reception and a cassette tape Keys 5 required for audio operations such as playback keys
Also, the display unit 6 and the like are incorporated.

When using a car stereo, see FIG.
As shown in (a), the front panel 2 is attached to the apparatus main body 1 for use. When the user leaves the vehicle, the front panel 2 is removed from the device body 1 as shown in FIG. 6 (b). At this time, the device body 1 is still attached to the vehicle, but the front panel 2
The device body 1 cannot be operated unless is attached, which is a measure to prevent theft.

It is desirable that the front panel 2 be easily attached and detached, and it is necessary that the front panel 2 be securely attached to the apparatus main body 1 without play after the attachment. Therefore, this attachment / detachment mechanism may be configured as shown in FIG.

In the figure, the front side of the apparatus main body 1 is surrounded by a base panel 1c, and a molded front panel 2 is mounted in the storage space 1a.
An insertion hole 1b into which the cassette tape is inserted is provided at a substantially central portion of the base panel 1c, and the insertion hole 1b is also provided.
A leaf spring 51 is attached to the lower side of the base panel 1c so as to slightly project from the rear surface of the bottom surface portion to the front surface.

A hinge portion 52 is provided at the left end of the base panel 1c.
Is attached. The hinge portion 52 is composed of a U-shaped metal leaf spring, and projections 52a and 52b are provided at both ends on the inner surface side so as to face each other.

On the other hand, a receiving portion 55a for receiving the protrusion 52a is provided at the left end of the upper surface of the front panel 2. Although not shown, a receiving portion corresponding to the protrusion 52b is also formed on the left end of the lower surface of the front panel 2, and the front panel 2 is rotatably sandwiched by the pair of protrusions 52a and 52b.

At the right end of the base panel 1c, there is attached a U-shaped lock panel 53 having claw portions 53a and 53b at the respective tip portions. This lock panel 5
A biasing force is applied to 3 at the lower side by a locking spring 54. A release button insertion groove 53c is provided in the lower portion of the lock panel 53 so that the tip of the release button 7 can be inserted.

When the front panel 2 is pushed into the storage space 1a, the claw portions 53a and 53b of the lock plate 53 are locked by the protrusions (not shown) formed on the rear surface of the panel, and the hinge portion 52 causes the front portion to move forward. Panel 2
Is pinched.

When the release button 7 is pressed with the front panel 2 attached to the apparatus body 1, the insertion groove 5
The release button 7 is inserted into 3c, and thereby the lock plate 53 is lifted up. At this time, the claw portions 53a,
The locked state between 53b and the projecting piece is released. At the same time, the front panel 2 is pushed forward by the action of the leaf spring 51. At this time, the front panel 2 pivots to the front side around the hinge portion 52. This state is shown in FIG.

In the state shown in FIG. 6 (b), the elastic force of the projections 52a and 52b of the apparatus main body 1 causes the front panel 2 to move.
Since the upper and lower receiving portions are gently supported, the hinge portion 52 bends slightly when a light force is applied to the front panel 2, and the front panel 2 is removed from the main body 1 as shown in FIG. 6C. It can be completely removed.

[0014]

By the way, in the above-mentioned structure, the pressing force of the leaf spring of the hinge portion 52 is weak,
If the force of the leaf spring 51 is too strong, the release button 7
The front panel 2 may pop out of the apparatus main body 1 at the same time when is pressed, and the front panel 2 may be damaged in some cases.

Since the hinge 52 is attached to the U-shaped leaf spring by caulking the metallic projections 52a and 52b, the cost of parts is high. Further, since it is necessary to attach a (metal) leaf spring 51 near the center of the base panel 1c and a hinge portion 52 to the left end with a screw or the like, the number of assembling steps increases, and the attaching work is troublesome. , Leaf spring 51, hinge portion 52 and lock plate 53
Since each of them is mounted separately, it is necessary to secure a space for mounting these parts inside the device body 1, and the space factor of the device body 1 is poor.

Therefore, the present invention solves such a conventional problem, and provides an audio device with a good space factor in which the front panel is prevented from falling off, the number of parts is reduced, and the cost is reduced. To do.

[0017]

SUMMARY OF THE INVENTION An audio device according to the present invention is an audio device having a front panel on which operation keys and the like are arranged, and a device body to which the front panel is attached and detached. A fitting means that is formed by integrally-formed concave and convex portions and that fits the front panel when the front panel is housed in the device body, and locks both when the front panel is housed in the device body. When the release button provided on the front panel is operated, the panel lock means releases the locked state, and when the lock state is released, the concave portion and the convex portion are engaged with each other, and the front panel operates in conjunction with the panel lock means. Panel push-out that holds the front panel locked to the device body while pushing it out from the device body. And a stopping means, in which the panel locking means, the panel extrusion locking means is provided on the integrated with the apparatus main body.

When the front panel is housed in the main body of the apparatus, the front panel is fitted to the main body of the apparatus by the fitting means composed of the concave portion and the convex portion integrally formed in the main body of the apparatus. Both are locked by panel locking means.

When the release button provided on the front panel is operated, the locked state is released, and the front panel is locked by the panel pushing-out locking means with the concave portion and the convex portion constituting the fitting means fitted. It is pushed out from the apparatus main body, and in the pushed state, it is locked and held by the apparatus main body. This prevents the front panel from falling off.

Further, since the panel lock means and the push-out means are integrally provided on the apparatus main body, the number of parts can be reduced.

[0021]

BEST MODE FOR CARRYING OUT THE INVENTION An audio apparatus 100 as an embodiment of the present invention will be described below with reference to the drawings. As the audio device 100, AM / F
An audio device (so-called car stereo) capable of receiving M radio and reproducing a cassette tape will be exemplified. 1 to 5, parts corresponding to those in FIGS. 6 and 7 are designated by the same reference numerals, and detailed description thereof will be omitted.

1 and 2 are views showing the configuration of an embodiment of the present invention. FIG. 1 is a front view of the apparatus main body 1 and front panel 2, and FIG. 2 is a cross-sectional view of the front panel 2 locked to the apparatus main body 1 as viewed from the bottom of the apparatus.

In FIG. 1, the front panel 2 is detachably attached to the main body 1 of the apparatus, and the storage space 1 at the time of mounting.
It is stored in a. The apparatus main body 1 incorporates a radio broadcast receiving section, a cassette tape reproducing section, and the like.
Further, a convex portion 1d and an attachment / detachment mechanism portion 20 are provided on the inside of the left side surface of the device body 1 and on the right side of the base panel 1c, respectively.

In FIG. 2, a recess 2a is provided on the left side surface of the front panel 2. The concave portion 2a is formed so that when the front panel 2 is mounted on the apparatus main body 1, the convex portion (projecting piece) 1d provided on the base panel 1c is fitted. The convex portion 1d and the concave portion 2a constitute a fitting means.

In addition, the plate-like mounting portion 8 of the attaching / detaching mechanism portion 20 mounted on the right end rear surface side of the base panel 1c with a screw (not shown) or the like has a panel lock plate 9 ( A twisting coil spring 10, a connecting plate 11, a locking member 12 as a panel pushing locking means, and the like are attached. These are all made of resin except for the coil spring 10.

Next, the detailed structure of the attachment / detachment mechanism section 20 is shown in FIG.
This will be described with reference to FIG. FIG. 3 is an enlarged cross-sectional view of the attachment / detachment mechanism section 20 in a state where the front panel 2 is mounted on the apparatus body 1 and locked (locked state), as seen from the lower portion of the apparatus.

In the figure, the panel lock plate 9 is formed with a claw portion 9a on the front side, and the mounting portion 8 is centered around the shaft portion 9b.
Is mounted so as to be rotatable. A hooking portion 9c is provided on the rear side of the shaft portion 9b of the panel lock plate 9,
One end of the coil spring 10 is attached to this.
The other end of the coil spring 10 is attached to a hook portion 8a formed on the back side of the attachment portion 8.

The panel locking means further includes a locking member 12.
Is provided. As the locking member 12, a plate-shaped resin plate that is long in the longitudinal direction of the apparatus body 1 is used, and one side surface (panel side) thereof has a convex portion 12b as a panel pushing means and a claw portion 12c as a panel locking means. Are formed. A concave portion is curved between the convex portion 12b and the claw portion 12c.

The engaging member 12 is attached to the attaching portion 8 with the shaft portion 12d as the center. The panel lock plate 9 and the locking member 12 are connected to each other by a connecting plate 11. Therefore, a connecting shaft 9d is provided on the front side of the shaft portion 9b of the panel lock plate 9, and one end of the connecting plate 11 is pivotally supported by this, and the other end of the connecting plate 11 is on the front side of the shaft portion 12d. It is pivotally supported by the connecting shaft 12a provided.

As a result, when the panel lock plate 9 rotates clockwise, the locking member 12 also rotates clockwise.

On the rear surface side of the front panel 2, the relief portion 2 is provided at a position substantially facing the claw portion 12c of the locking member 12.
d is provided. The gap on the back side formed by the escape portion 2d serves as a passage for the claw portion 12c to pass through when the locked state is released.

With the above configuration, the operation of removing the front panel 2 from the apparatus main body 1 in the locked state is shown in FIG.
This will be described with reference to FIG.

FIG. 4 is a sectional view of the front panel 2 removed from the apparatus main body 1 (temporarily locked) as seen from the lower side of the apparatus, and FIG. 5 is a sectional view of the attaching / detaching mechanism section 20 in the temporarily locked state seen from the lower side of the apparatus. It is a figure.

In the locked state, as shown in FIG. 2, the concave portion 2a provided on the left side surface of the front panel 2 is fitted to the convex portion 1d provided on the inside left side surface of the base panel 1c of the apparatus body 1. To be done.

The relationship between the coil spring 10 and the panel lock plate 9 at this time is as shown in FIG. 3, and one end of the coil spring 10 with respect to the line m passing through the one end 8a of the coil spring 10 and the shaft portion 9b. The mutual mounting positional relationship is selected so that 9c is located on the back side.

A biasing force of the coil spring 10 applies a force to the panel lock plate 9 to rotate it counterclockwise about the shaft 9b. As a result, the claw portion 9a of the panel lock plate 9 is locked to the projecting piece 2b provided on the right rear side of the front panel 2 (FIG. 3). As a result, the front panel 2 is held in the state of being attached to the apparatus main body 1.

When the release button 7 is pushed in the above-mentioned locked state, the claw portion 9a is pushed by the tip of the release button 7, and the panel lock plate 9 moves the shaft portion 9b against the counterclockwise biasing force of the coil spring 10. Rotate clockwise around the center. As a result, the claw portion 9a is separated from the projecting piece 2b of the front panel 2 and the locked state is released.

As the panel lock plate 9 rotates clockwise, the connecting plate 11 connected to the panel lock plate 9 moves to the right, and the locking member 12 rotates clockwise accordingly. Therefore, the protrusion 2c provided on the back surface of the front panel 2 is pushed by the convex portion 12b of the locking member 12, and the front panel 2 forms the convex portion 1d and the concave portion 2a (FIG. 4) that form the fitting portion. ) As an axis, and is pushed out from the apparatus main body 1 to some extent.

When the panel lock plate 9 is rotated clockwise to a position where one end 9c of the coil spring 10 is located in front of the imaginary line m (exceeds the dead point), the biasing force of the coil spring 10 is increased. The direction is reversed. The panel lock plate 9 is further urged by the inverted urging force to rotate in the clockwise direction.

When it is rotated to the position shown in FIG. 5,
The claw portion 12c of the locking member 12 enters the gap formed by the escape portion 2d of the front panel 2 and is locked by the projecting piece 2c. As a result, the front panel 2 is held by the apparatus body 1 at the position shown in FIG. 4 (and FIG. 5) and is in the temporary lock state.

When the front panel 2 is pulled out from the apparatus body 1 as shown in FIG. 4 in this provisionally locked state, the claw portion 12c is pushed by the projecting piece 2c as shown in FIG.
The locking member 12 rotates counterclockwise. Therefore, at the same time when the locking state between the claw portion 12c and the projecting piece 2c is released,
The fitting state between the convex portion 1d and the concave portion 2a shown in FIG. 4 is released, and the front panel 2 is completely removed from the apparatus main body 1.

As described above, according to the present embodiment, the release button 7 is in the locked state shown in FIGS.
When (1) is pressed, (1) the panel lock plate 9 rotates clockwise against the counterclockwise biasing force of the coil spring 10 to release the locked state between the claw portion 9a and the projecting piece 2b. . At this time, the locking member 12 that interlocks with the panel lock plate 9 is rotated clockwise through the connecting plate 11, and the projection 2c on the back side of the front panel 2 is pushed by the convex portion 12c of the locking member 12. Then, the front panel 2 is pushed out from the apparatus main body 1.

(2) When the biasing force of the coil spring 10 exceeds the dead point and the biasing force thereof is reversed, the panel locking plate 9 is further rotated in the clockwise direction by the reversed biasing force, and the locking member is interlocked with this. The front panel 2 is pushed out from the apparatus main body 1 by further rotating 12 in the clockwise direction. At this time, the claw portion 12c causes the front panel 2 to
4 and 5, the front panel 2 is held by the apparatus main body 1 (temporarily locked state).

(3) When the front panel 2 is pulled out from the apparatus main body 1 in this temporary lock state, the engagement state between the claw portion 12c and the projecting piece 2c is released, and the convex portion 1d and the concave portion of the apparatus main body 1 are released. By releasing the fitting with 2a,
The front panel 2 is completely removed from the device body 1.

Therefore, according to the present embodiment, the front panel 2 is not completely ejected from the apparatus body 1 only by pressing the release button 7, and the front panel 2 is prevented from falling off. In addition, the fitting portion that is conventionally configured by a hinge component is replaced with a convex portion 1d and a concave portion 2a that are integrally formed with the base panel 1c and the front panel 2 of the apparatus body 1. In addition, a plate spring, a lock plate, etc., which are conventionally provided near the center of the base panel 1c of the apparatus body 1 for pushing out the front panel 2, are the panel lock plate 9 and the connecting plate 11 of the attaching / detaching mechanism part 20 attached to the right side. And the locking member 12 and the like.

Therefore, only the attachment / detachment mechanism section 20 is attached to the apparatus main body 1 for attachment / detachment, and by concentrating it in one place, the number of assembly steps of the components is reduced and the space factor inside the apparatus main body 1 is improved. Further, since these parts including the mounting portion 8 are made of resin products, there is an effect that they can be manufactured at low cost.

Although the present embodiment has been described as being applied to a car stereo, the present invention is not limited to this and can be applied to other audio devices. It can also be applied to other detachable electronic devices such as a remote controller.

[0048]

According to the present invention, when the release button is pushed, the front panel is locked to the apparatus body while being pushed out from the apparatus body, and the front panel is unlocked from the apparatus body. By
The front panel is prevented from falling off the device body. In addition, the hinge parts are replaced with recesses and protrusions integrally formed with the main body of the apparatus and the front panel, and the parts functioning as the panel locking means and the panel push-out locking means are all formed of a resin product and integrated. By being provided in the device main body, it can be manufactured at a lower cost than the conventional audio device, and the remarkable effects such as a reduction in the number of assembling steps and an improvement in the space factor of the device main body by concentrating in one place can be achieved.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of an audio device 100 which is an embodiment of an audio device according to the present invention.

FIG. 2 is a cross-sectional view showing a device body 1 and a front panel 2 in a locked state.

FIG. 3 is a cross-sectional view showing the attachment / detachment mechanism section 20 in a locked state.

FIG. 4 is an apparatus main body 1 and a front panel 2 in a temporarily locked state.
FIG.

FIG. 5 is a cross-sectional view showing the attachment / detachment mechanism section 20 in a temporarily locked state.

FIG. 6 is a diagram illustrating a procedure for attaching and detaching the front panel 2.

FIG. 7 is a diagram showing a conventional audio device.

[Explanation of symbols]

 1 Device main body 1a Storage space 1b, 3 Cassette tape insertion hole 1c Base panel 1d Convex part 2 Front panel 2a Recessed part 2b, 2c Projection piece 2d Escape part 4 Power switch 5 Operation key 6 Display part 7 Release button 8 Mounting part 8a, 9c Hook part 9 Panel lock plate 9a, 12c, 53a, 53b Claw part 9b, 12d Shaft part 9d, 12a Connecting shaft 10 Coil spring 11 Connecting plate 12 Locking member 12b Convex part 51 Leaf spring 52 Hinge part 52a, 52b Protrusion 53 Lock Plate 53c Insertion groove 54 Panel lock spring 55a Receiver

Claims (1)

[Claims] 1. An audio device having a front panel on which operation keys and the like are arranged, and a device main body to which the front panel is attached / detached, wherein the front panel and the device main body are integrally formed with concave portions and convex portions. And a fitting means for fitting the front panel when the front panel is housed in the apparatus main body, and a locking means for locking the front panel when the front panel is housed in the apparatus main body, and a release provided on the front panel. When the button is operated, the panel lock means for releasing the locked state, and when the lock state is released, the front panel is interlocked with the panel lock means with the concave portion and the convex portion fitted. A panel push that pushes out from the main body of the device and locks and holds the front panel on the main body of the device in the pushed state. An audio device, characterized in that the panel lock means and the panel push-out locking means are integrally provided in the main body of the apparatus.