JPH071919Y2 - Thin electronic devices - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a thin electronic device such as a thin radio.

[Prior Art and Problems Thereof] In recent years, as a small electronic device, various thin card type thin radios have been developed and commercialized. In order to reduce the thickness of this type of thin radio, earphones are used to listen to the radio sound, but in conventional thin radios, the device case and the earphone are separate, so the earphone is lost. Or easily damaged. for that reason,
It is desired to store the earphones in the equipment case.

In response to such a demand, conventionally, as shown in FIG.
The earphone was stored in the device case 1 of the thin radio. That is, in this type of earphone housing structure, an earphone housing portion is provided at the upper corner of the device case 1, and the earphone housing 2 is openably and closably closed. In this case, the earphone cover 2 is formed by bending a flat plate into a “U” shape, and both ends of the earphone cover 2 are guide grooves 1a and 1a formed on the front and back surfaces of the device case 1 (one is not shown).
Is attached so that it can slide in the vertical direction, and in the center of it is a notch 2a through which the earphone cord is inserted,
The anti-slip portions 2b are provided on the lower side. Therefore, when using the earphone, the earphone cover 2 is slid downward along the guide groove 1a to open the earphone housing, and in this state, the earphone is pulled out from the earphone housing. Then, after the earphone is pulled out by a predetermined length, the earphone cover 2 is slid upward, the earphone cord is arranged in the cutout portion 2a of the earphone cover 2, and the earphone storage portion is closed. In this state,
It is designed to listen to radio sound with earphones.

When the earphone is stored, the earphone cover 2 is slid downward to open the earphone storage portion, and the unlocking knob 3 is slid upward in this state. The take-up reel automatically winds the Iophone cord, and the earphone is stored in the earphone storage section. After that, the earphone cover 2 is slid upward again to close the earphone housing portion.

However, in the thin radio as described above, the earphone cover 2 is formed by bending a flat plate into a "U" shape, and both ends thereof are slid into the guide grooves 1a, 1a formed on the front and back surfaces of the device case 1. Since the structure is freely fitted, the earphone cover 2 is easily removed. In addition, since the earphone cover 2 projects from the side surface and the front and back surfaces of the device case 1, not only the external appearance is bad but also there is a drawback that it is easily caught on the edge of the pocket or the like.

[Object of the Invention] The present invention has been made in view of the above-described circumstances. The object of the present invention is that the earphone can be favorably accommodated by operating the knob, and the earphone is accommodated with the device case in a sense of unity. Another object of the present invention is to provide a thin electronic device in which the device case itself can be made thin and which is preferable in terms of appearance and design.

[Summary of the Invention] In order to achieve the above-described object, the present invention is, in a thin electronic device equipped with an earphone, an electronic circuit inside a device case, a winding device for winding the earphone cord, and the winding device. The battery housing is arranged so as not to overlap the take-up device, and a knob for executing the take-up of the take-up device is arranged in the device case, and a part of the device case is placed at a corner of the device case. An earphone housing portion for housing the earphone, in which a notch adjacent to the earphone is inflated, is provided, and when the knob is operated, the earphone cord is wound into the device case by the winding device, and the earphone is stored. The earphone is configured to be stored in the storage portion.

[Embodiment] An embodiment in which the present invention is applied to a thin radio will be described below with reference to FIGS. 1 to 4.

Structure FIG. 1 shows the appearance of the thin radio, FIG. 2 shows the usage state, and FIG. 3 shows the thin radio in a disassembled state.
In these figures, 10 is a device case. The device case 10 is composed of a main body case 11 and a lid case 12 in the shape of a thin flat plate box, and has therein a circuit board 13, an earphone 14, a battery 15 and other electronic components necessary for a radio function and an earphone 14 described later. The earphone accommodating portion 17 is located in the upper left corner, the battery accommodating portion 18 is located below the earphone accommodating portion 17, and the winding mechanism 16 is located substantially in the center.
Are provided, and the circuit board 13 is disposed in almost the entire area inside. In this case, the body case
11 is a thin flat plate box with the upper surface open,
The lid case 12 has a flat plate shape and is attached to the upper surface side of the main body case 11.

The earphone storage portion 17 at the upper left corner stores the earphone 14, and is openably and closably closed by the earphone cover 19, and the device case 10 and the earphone cover 19 in this portion each have an elliptical shape in the thickness direction. It is inflated. That is, the upper left corner of the device case 10 is cut out in a rectangular shape in the middle of the elliptical shape, and the earphone cover 19 having the remaining bulge of the elliptical shape is attached to the cutout portion so as to be openable and closable. The earphone cover 19 covers the earphone housing 17 in a freely openable and closable manner to protect the earphone 14 and constitutes a part of the equipment case 10. The earphone cover 19 has the same thickness as the equipment case 10, and two continuous side surfaces are open. It is in the shape of a bag and has a mounting part 19a at one corner.
Are formed so as to project, and a cutout portion 19b is formed at a corner portion opposed to this, and a lock piece 19c is formed at an opened corner portion. The mounting portion 19a at one end corner is a portion that is rotatably mounted to the device case 10, and the boss portions 11a and 12a of the device case 10 are inserted into the through hole 19a ₁ from both sides at the center thereof, whereby the earphone cover is formed. 19 is rotatably attached to the device case 10. Further, the notch 19b is for inserting the pulled out earphone cord 14a when the earphone cover 19 is closed, and the lock piece 19c can be engaged with and disengaged from the locking recess 11b formed in the bottom of the main body case 11. The earphone cover 19 is locked and locked in a closed state. Further, guide pieces 11c and 12c are provided in the earphone housing portion 17 so as to protrude toward the opening / closing direction side of the earphone cover 19. When the earphone cover 19 closes the earphone storage portion 17, the guide pieces 11c and 12c are formed so that the surface of the device case 10 and the surface of the earphone cover 19 form the same continuous surface without a step. It guides the inside of 19.

The winding device 16 winds the earphone cord 14a so that it can be pulled out, and includes a winding reel 16a and a lock mechanism 16b thereof. The take-up reel 16a is rotatably supported by a shaft 11d provided upright on the bottom of the main body case 11, and is rotated in a direction in which the earphone cord 14a is always wound by a spiral spring (not shown) incorporated therein. The connection fitting 16a ₁ is provided on the upper surface thereof, and the ratchet portions 16a ₂ and 16a ₂ are provided on the lower surface thereof as shown in FIG. In addition,
The take-up reel 16a is surrounded and protected by a protective wall 11e formed at the bottom of the main body case 11. The lock mechanism 16b prevents the take-up reel 16a from rotating in the reverse direction and stops the take-up reel 16a at a predetermined position, and the slide knob 16b ₁ provided on the side surface of the equipment case 10 and the slide knob 16b ₁ in the same direction as this. slidably mounted locking claw 16b ₂
If, which is a spring member 16b ₃ Metropolitan for biasing the locking pawl 16b ₂ to constantly unlocking direction. Thus, the locking mechanism 16b is normally engaged with the ratchet portion 16a ₂ of the tip of the lock claw 16b ₂ are formed on the lower surface of the take-up reel 16a, it stops the rotation of the take-up reel 16a. Also, earphone cord 14a
When the drawn is with the rotation of the take-up reel 16a, since the ratchet portions 16a ₂ presses against the lock pawl 16b ₂ to the spring member 16b _3, ratchet portion lock pawl 16b ₂ slides Release 16a ₂ lock in sequence. Further, by sliding the slide knob 16b ₁ to the unlocked direction, moves against the lock pawl 16b ₂ spring member 16b ₃ in the direction away from the ratchet portion 16a ₂ of the take-up reel 16a, releasing the lock . As a result, the take-up reel 16a rotates to wind the earphone cord 14a pulled out.

The battery compartment 18 is for accommodating the battery holder 20 accommodating the battery 15.
Is formed, and the battery holder 20 is removably housed through the insertion / removal opening 11f. The circuit board 13 is a main part of the radio function, and includes chip parts such as LSI and chip capacitors, a tuning knob 21, and a volume knob 22.
The battery 15 is connected via the electrode plate 13a, and the earphone cord 14a is electrically connected via the contact fitting 16a ₁ at the stop position of the take-up reel 16a by the lock mechanism 16b. In this case, the tuning knob
A part of the volume knob 21 and the volume knob 22 are slightly projected to the outside from openings 11g and 11g formed in the side surface of the device case 10. A power switch 23 and a tuning indicator 24 are provided on the side surface of the device case 10.

Operation Next, the case of using the thin radio configured as described above will be described.

First, the earphone 14 is pulled out from the earphone storage unit 17. In this case, the earphone cover 19 is sandwiched by fingers, and the earphone cover 19 is pulled out laterally against the engagement force of the lock piece 19c. Then, the earphone cover 19 pivots around the boss portions 11a and 12a that pivotally support the mounting portion 19a to open the earphone housing portion 17 and expose the earphone 14 to the outside. As a result, the earphone 14 can be pulled out by pinching it with a finger. When the earphones 14 are pulled out in this manner, the earphone cords 14a become the take-up reels 16a of the take-up device 16.
When the earphone cord 14a is pulled out for a predetermined length while being rotated, the lock mechanism 16b causes the take-up reel 1
6a is locked in place. Earphones like this
After 14 is pulled out, the earphone cord 14a is inserted into the notch 19b of the earphone cover 19, and the earphone cover 19 is rotated in the opposite direction to be closed. At this time, the inner surface of the earphone cover 19 has an earphone storage section.
Guided by the guide pieces 11c and 12c formed on the 17, the surface of the device case 10 and the surface of the earphone cover 19 become the same continuous surface without a step, closing the earphone accommodating portion 17 and locking piece 19c. Is locked in the locking recess 11b of the device case 10. Earphone cover 1 like this
Even if 9 is closed, the earphone cord 14a remains
Since it is pulled out through the notch 19b of 19,
The earphone 14 is pulled out by a predetermined length. In this state, the power switch 23 is turned on and the tuning knob 21 is operated to select the radio wave to be received. Then, by adjusting the volume of the volume knob 22, the radio sound can be heard well.

When housing the earphone 14, first, the earphone cover 19 is pulled against the engaging force of the lock piece 19c, and the boss portions 11a and 12 that axially support the mounting portion 19a of the earphone cover 19 are pulled.
Rotate the earphone cover 19 around a and open the earphone housing 17. In this state, when the earphone cord 14a is rewound by the winding device 16, the earphone 14 is attached to the device case 1
It is pulled into the earphone housing 17 of 0. That is, by operating the slide knob 16b ₁ of the winding apparatus 16 slides, the lock pawl 16b ₂ is accompanied thereto is separated from the ratchet portion 16a ₂ of the take-up reel 16a, rotated by the mainspring winding reel 16a is not shown Then, wind the earphone cord 14a. When the earphone cord 14a is wound up in this manner, the earphone 14 is housed in the earphone housing 17 and is also sandwiched between the guide pieces 11c and 12c. When the earphone cover 19 is rotated in the closing direction in this state, the earphone 14 is inserted into the elliptical bulging portion of the earphone cover 19 to close the earphone housing portion 17. At this time, the earphone cover 19 is guided by the guide pieces 11c and 12c of the earphone housing 17 as described above, and closes the earphone housing 17 on the same surface as the surface of the device case 10 without a step. Further, the lock piece 19b is locked in the locking recess 11b on the device case 10 side and locked so that the earphone cover 19 is not opened without permission.

However, according to the thin radio as described above, by inserting the boss portions 11a and 12a provided in the device case 10 from both sides into the through hole 19a ₁ formed in the mounting portion 19a of the earphone cover 19, the earphones are inserted. Since the cover 19 is rotatably attached to the earphone storage portion 17 of the device case 10, the earphone cover 19 does not easily come off from the device case 10, the earphone cover 19 can be firmly attached, and there is a risk of loss. Nor. Moreover, the earphone cover 19 as described above is guided by the guide pieces 11c and 12c provided in the earphone storage part 17 when the earphone storage part 17 is closed, and its surface does not make a step with the surface of the device case 10. Since they are on the same surface, the earphone cover 19 can be carried very satisfactorily without being caught in a pocket or the like of clothes, and the earphone storage 17
When the is closed, the earphone cover 19 is not twisted by the guide pieces 11c and 12c, and the earphone 14 can be stored reliably and satisfactorily. Further, in the thin radio as described above, since only the earphone storage portion 17 and the earphone cover 19 have an elliptical shape and bulge in the thickness direction of the device case 10, the earphone 14 can be stored well. The overall thickness of the device case 10 can be reduced.

It should be noted that the case where the above-described embodiment is applied to the thin radio has been described, but the present invention is not limited to this, and can be widely applied to other small electronic devices.

[Effects of the Invention] As described above, according to the thin electronic device of the present invention, in the thin electronic device including the earphone, the electronic circuit is provided inside the device case, and the winding device for winding the earphone cord. The battery storage unit is arranged so as not to overlap with the winding device, and a knob for performing the winding of the winding device is arranged in the device case.
In the corner of the device case, a part of the device case is cut out and the adjacent portion is inflated to provide an earphone storage part for storing the earphone, and when the knob is operated, the earphone cord is Since the earphone is stored in the device case by the winding device and housed in the earphone storage part, the earphone can be properly stored by operating the knob, and the earphone has a sense of unity with the device case. It is possible to provide a thin electronic device that is housed in a package, has a thin device case itself, and is preferable in terms of appearance and design.

[Brief description of drawings]

1 to 3 show an embodiment in which the present invention is applied to a thin radio, FIGS. 1 (A) to (C) are external views thereof, and FIG. 2 is an external view when an earphone is used, 3 is an exploded perspective view thereof, FIG. 4 is a rear side perspective view of the take-up reel, and FIG.
The figure shows a conventional example. 10: Equipment case, 11a, 12a ...... Boss part, 11c, 12c ......
Guide pieces, 14 ... earphones, 17 ... earphone storage, 19 ... earphone covers.

Claims (1)

[Scope of utility model registration request] 1. A thin electronic device equipped with an earphone, comprising: an electronic circuit inside a device case; a winding device for winding an earphone cord; and a battery storage part so as not to overlap with the winding device. With the arrangement configuration, a knob for performing the winding of the winding device is arranged in the device case, a corner portion of the device case, a part of the device case is cut out and the adjacent portion is inflated, An earphone accommodating portion for accommodating an earphone is provided, and when the knob is operated, the earphone cord is wound into the device case by the winding device so that the earphone is accommodated in the earphone accommodating portion. A thin electronic device characterized by being configured.