JPH1021678A - Audio unit with detachable operating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform mounting/demounting operation correctly and smoothly by preventing an operating panel from swinging when it is removed. SOLUTION: A fixed part 15 for retaining one end side of an operating panel 2 and a holding part 16 for retaining the other side of the operating panel 2 are formed on the front face of the body 1 of an audio unit, e.g. a tape recorder. A retaining piece 17 having a fixing part 22 and a hook part 24 is fixed in the vicinity of the fixed part 15 and urged forward by means of a leaf spring 28 on the hook part 24 side thereof. The operating panel 2 is provided with a lock piece 21 to be engaged with the fixed part 15 and a supporting part 20 to be engaged with the holding part 16. The operating panel 2 is further provided with an unlock button 9 for operating the lock piece 21 to be disengaged from the fixed part 15. At the time of disengagement, one end side of the operating panel 2 is pushed out by means of the retaining piece 17 and the hook part 24 thereof is retained at a part of the operating panel 2 while the other side of the operating panel 2 is held through engagement of the holding part 16 and the supporting part 20 thus preventing the operating panel 2 from swinging.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an audio apparatus equipped with a detachable operation panel, and more particularly to an audio apparatus which prevents a wobble when the operation panel is detached, so that the detachment operation can be performed smoothly and properly. .

[0002]

2. Description of the Related Art In recent years, CD players, MD players, tape recorders, and the like have become widespread as audio devices. In the future, the spread of digital audio tape recorders called DATs is expected. .

[0003] Such an audio device, particularly a car audio mounted on a car, includes a main body having a drive mechanism for driving a recording medium such as a compact disc, and an operation panel for performing a music selection operation and the like. There are some which can be separated for theft prevention.

Conventionally, as such an audio device, for example, an audio device as shown in FIG. 8 has been known. In FIG. 8, A is an apparatus main body, B is an operation panel, and the operation panel B is detachably mounted on the front of the main body A.

A projection C and a groove D are provided on both sides of the front surface of the main body A, respectively.
And a groove portion F are provided. A spring G is protruded from the main body A, and a push button H is provided on the operation panel B for drawing the protruding portion E into the inside.

According to the audio device, when the operation panel B is mounted, the projection C of the main body A and the operation panel B
The operation panel B is fixed to the main body A by engaging the groove F on the side and the groove D and the protrusion E. On the other hand, when the push button H is pressed in that state, the protrusion E
Recedes to release the engagement with the groove D, and at this time, the spring G
The operation panel B is pushed out by the action of.

[0007]

However, according to the above-mentioned conventional audio device, when the operation panel is pushed out, one end thereof fluctuates and falls, and in some cases, the operation panel may be damaged by the impact. There was sex. For this reason, in the related art, after the detachment operation of the operation panel is performed, the user keeps his / her hand on the operation panel to hold the operation panel, so that the operability is poor.

In particular, since the operation panel extruded for a vehicle greatly fluctuates due to running vibration, there is a fear that an accident may occur during operation during running, which has been a serious problem in terms of safety.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to prevent the operation panel from wobbling at the time of detachment, so that the operation panel can be smoothly and properly attached and detached.

[0010]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides an audio apparatus in which an operation panel having various push buttons including an unlock button is detachably mounted on a front surface of a main body. On the front surface, a fixing portion for locking one end of the operation panel and a holding portion for locking the other end of the operation panel are formed, and a locking piece is swingably provided near the fixing portion. The locking piece has, at one end, a mounting portion that is pivotally attached to the front surface of the main body, and at the other end, a hook portion that locks to a part of the operation panel, with the hook side facing forward. And the operation panel has a lock piece that engages with the fixing portion and a support portion that engages with the holding portion, and releases the engagement between the fixing portion and the lock piece by operating the unlock button. Operation, the hook is locked with a part of the operation panel. One end of the panel there is provided an audio apparatus equipped with a detachable operating panel, characterized in that it has to be pushed by the locking piece.

[0011]

According to the present invention, when the unlock button of the operation panel mounted on the front of the main body is pressed, the lock piece is operated to release the engagement with the fixing portion on the main body side. At this time, one end of the operation panel is pushed out by the locking piece.
In particular, at this time, one end side is supported by the hook portion of the locking piece, and the other end side is supported by the holding portion. For this reason,
The operation panel can maintain a stable state without being shaken even by the running vibration of the vehicle.

On the other hand, when the operation panel is mounted, the holding portion on the main body side is engaged with the support portion on the operation panel side, and in this state, one end of the operation panel is pushed in. The operation panel is fixed to the main body by engagement with the lock pieces.

[0013]

Preferred embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows an on-vehicle tape recorder having a radio function as an audio device according to the present invention.

In FIG. 1, reference numeral 1 denotes a main body of a tape recorder fixed to a dashboard or the like in a vehicle, in which a drive mechanism for driving a cassette tape and electronic devices are incorporated.

On the other hand, 2 is a detachable operation panel,
The operation panel 2 has an opening 3 for loading a cassette tape into the main body 1. Further, on the surface thereof, various push buttons for performing music selection and other operations are provided. For example, 4 is a main power switch button, 5 is a cassette tape fast forward button, 6 is a rewind button, 7 is a takeout button, 8 is a radio channel selection button, and 9 is an operation panel 2 of the main body 1. The operation panel 2 can be released from the main body 1 by pressing the release button 9.

FIG. 2 shows the front of the main body with the operation panel removed. In FIG. 2, reference numeral 10 denotes an openable and closable opening corresponding to the loading port 3 of the operation panel, and the cassette tape is loaded into the main body 1 through the opening 10. 1
Reference numerals 1, 12, and 13 denote movable shafts, of which the movable shaft 11 is pushed in by an ejection button 7 of the operation panel to operate a cassette tape discharging mechanism in the main body 1. Also,
The movable shaft 12 is pushed by the fast-forward button 5 to rotate a take-up reel (not shown) provided in the main body 1 at a high speed, and the other movable shaft 13 is pushed by the rewind button 6 and shown in the main body 1. The supply reel at high speed. here,
14 is a terminal of the connector, 15 is a fixed part, 16 is a holding part,
17 is a locking piece.

Next, FIG. 3 shows a back surface of the operation panel. In FIG. 3, reference numeral 18 denotes an electrode corresponding to the terminal 14 of the main body. When the operation panel 2 is mounted, the electrode 18 and the terminal 14 of the main body are fitted, and the main body 1 and the operation panel 2 are electrically connected. You. Reference numeral 19 denotes a side opening formed at a part of one end of the operation panel 2, reference numeral 20 denotes a support formed at the other end of the operation panel, and reference numeral 21 denotes a side of the operation panel which projects from the side opening 19. It is a lock piece housed inside.

FIG. 4 is a plan view of the locking piece, and FIG. 5 is a sectional view taken along line XX in FIG. As clearly shown in these figures, the locking piece 17 is a plate made of synthetic resin or the like, and has a mounting portion 22 formed at one end thereof as a cylindrical rotating shaft, and a protruding piece 23 at the other end. The hooks 24 are formed on both sides of the hook. Of these, the protruding piece 23 rises in an inclined shape on one side, and the hook portion 24 is bent in an L shape toward the opposite side.

FIG. 6 is a sectional view showing a state in which an operation panel is mounted on the front of the main body. As shown in this figure,
In the main body 1, a low surface portion 25 and a high surface portion 26 are provided on the front surface thereof.
The fixed portion 15 is partially formed from the high surface portion 26 to the low surface portion 25.
It is formed at one end of the front surface of the main body 1 so as to protrude to the side. The notch 2 is formed in the low surface portion 25 near the fixing portion 15.
The locking piece 17 is attached to the notch 27. Further, a leaf spring 28 is fixed to the notch 27, and a part of the leaf spring 28 presses the mounting portion 22 of the locking piece 17 to pivotally attach to the front surface of the main body 1.

The leaf spring 28 has a resilient piece 28a, which urges the hook portion 24 of the locking piece 17 toward the front by the resilient piece 28a.
Is accommodated in the notch 27 against the elasticity of the leaf spring 28.

A holding portion 1 is provided at the other end of the front surface of the main body 1.
6 are formed. As shown in the figure, the holding portion 16 is formed by a depression 16a formed by making a part of the front surface of the main body 1 concave, and a projection 16b provided above the depression 16a.

On the other hand, in the operation panel 2, a lock piece 21 is built in at one end side, and a support section 20 is formed at the other end side corresponding to the holding section 16.

As shown in the drawing, the lock piece 21 has an L-shape, and one end of the lock piece 21 extends to the axis of the unlocking button 9 and is pivotally connected with a pin 30. Further, the other end side is made to protrude partially from the side opening 19 so as to engage with the fixing portion 15. Here, a torsion spring (not shown) is provided on the outer periphery of the pin 30 to urge the lock piece 21 counterclockwise in the figure,
The elasticity allows proper engagement with the fixed portion 15 to be performed. A slope 31 is formed on the side of the pin 30, and when the unlock button 9 is pushed in, the unlock button 9 is
By pressurizing 1, the lock piece 21 swings clockwise against the elasticity of the torsion spring.

At this time, the lock between the main body 1 and the operation panel 2 is released, and one end of the operation panel 2 is pushed forward by the locking piece 17. At this time, the hook portion 24 of the locking piece 17 is locked on both upper edges of the side opening 19 to hold one end of the operation panel 2, and the other end is also engaged with the holding portion 16 and the support portion 20. Will be retained. Here, the support portion 20 includes a raised portion 20a that fits into the recess 16a, and a cutout groove 20b that is partially cut out on the outside.
The notch groove 20b has a protrusion 16b of the holding portion 16.
Are engaged.

Next, FIG. 7 shows a state where the operation panel is detached from the main body. In order to remove the operation panel 2 from the main body 1, the unlock button 9 is pressed in, whereby the lock piece 21 presses the slope 31 and swings clockwise in the figure.
At this time, the engagement between the lock piece 21 and the fixing portion 15 is released.

Then, the locking piece 17 urged by the leaf spring 28 starts swinging with the mounting portion 22 as a fulcrum, and pushes out one end of the operation panel 2. At this time, the hook portion 24 of the locking piece 17 is locked to the upper edge of the side opening 19 to hold one end of the operation panel 2, and the other end of the operation panel 2 is connected to the holding portion 16 and the support portion. 20 is held by the engagement. For this reason, the operation panel 2 is kept in a stable state without being shaken even by the running vibration of the automobile in that state. Then, if the operation panel 2 is pulled toward the user in this state, the engagement between the hook portion 24 and the side opening 19 is broken, and the operation panel 2 can be removed from the main body 1.

In the state shown in the figure, the locking piece 17 is locked by the protruding piece 23 to the fixing portion 15 so that the forward swing is restricted. There is also a method of connecting the elastic piece 28a and a part of the locking piece 17.

Although the application examples of the present invention have been described with reference to the drawings, it goes without saying that the present invention can be used for various audio devices such as CD players and MD players in addition to tape recorders.

[0029]

As is apparent from the above description, according to the present invention, the operation of the unlock button releases the engagement between the fixing portion and the lock piece, and the one end of the operation panel is pushed out by the lock piece. As a result, the operability is good, and one end of the pushed operation panel is supported by the hook of the locking piece, and the other end is supported by the engagement of the holding portion and the support portion, so that the traveling vibration of the vehicle is increased. The operation panel can be easily and properly removed from the main body in such a state without fluctuation due to, for example, the operation panel.

Further, since the main body is formed with a fixing portion engaging with the lock piece of the operation panel and a holding portion engaging with the support portion, the operation panel can be securely fixed to the main body.
Further, since the locking piece is urged forward, the engagement between the fixing portion and the locking piece becomes more reliable, and furthermore, at the time of disengagement, the operation panel can be reliably pushed out to a position where it can be easily picked by its elasticity.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an in-vehicle tape recorder as an audio device according to the present invention.

FIG. 2 is a front view of the main body in a state where an operation panel is removed.

FIG. 3 is a rear view of the operation panel.

FIG. 4 is a plan view of a locking piece attached to a front surface of the main body.

FIG. 5 is a sectional view taken along line XX in FIG. 4;

FIG. 6 is a sectional view showing a state in which an operation panel is mounted on the main body.

FIG. 7 is a sectional view showing a state when the operation panel is removed from the main body.

FIG. 8 is a schematic perspective view of a conventional audio device equipped with a detachable operation panel.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Operation panel 9 Unlock button 15 Fixing part 16 Holding part 17 Locking piece 20 Supporting part 21 Locking piece 22 Mounting part 24 Hook part 28 Leaf spring

Claims (1)

[Claims] 1. An audio device in which an operation panel having various push buttons including an unlock button is detachably mounted on a front surface of a main body, wherein a fixed portion for locking one end side of the operation panel on a front surface of the main body. And a holding portion for locking the other end of the operation panel and the other end of the operation panel, and a locking piece is swingably provided near the fixed portion, and the locking piece is pivotally mounted at one end to a front surface of the main body. It has a mounting portion to be attached, and has a hook at the other end for locking to a part of the operation panel, the hook side is urged forward, and the operation panel is engaged with the fixed portion. A lock portion to be engaged with the holding portion, and when the engagement between the fixed portion and the lock piece is released by operating the unlock button, the hook portion becomes part of the operation panel. In the locked state, one end of the operation panel is pushed out by the locking piece. An audio device equipped with a detachable operation panel, characterized in that: