JPH06181445A - Small-sized electronic equipment - Google Patents

Abstract

PURPOSE:To prevent production of a noise sound in the operation of a vibrator and to simplify the attachment/detachment of the vibtrator in the small sized electronic equipment such as a pager to which the vibrator vibrated for issuing a notice through the reception of an its own call signal. CONSTITUTION:In the small-sized electronic device in which a vibrator 31 vibrated through the reception of a radio signal to issue a notice is housed in a case main body 11, the vibrator 31 is supported by a bracket 41 and a rail 13 fixed by sliding the bracket 41 is provided on an inner face of the case main body 11 and the vibrator 31 is installed to be attachable/detachable on the inner face of the case main body 11. Thus, the production of a vibrating noise sound is prevented in the operation of the vibration mounted on a printed circuit board different from a conventional equipment and the vibrator 31 is easily removed in one-operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a small electronic device such as a pager having a built-in vibrating device which vibrates upon reception of a radio signal to notify the signal reception, and more particularly to a mounting structure of the vibrating device.

[0002]

2. Description of the Related Art A pager which informs that a telephone call is necessary by a received call signal by a notification sound, lighting of a display or vibration is widely used by companies and individuals. A pager which displays a telephone number, a contact name, a contact time, etc. of a telephone contact by adding a message to a signal and transmitting the message is also widely used.

7 and 8 show a conventional example of a mounting structure of a vibrating device built in a pager, where 71 is a case body, 73 is a circuit board, 75 is an electronic component, and 81 is a vibrating device (hereinafter referred to as a vibrator). ), 83 is a bracket. As shown in the figure, conventionally, a vibrator 81 having a rotating portion 82 that rotates and vibrates when receiving its own calling signal is fitted and held in a bracket 83, and two attachment piece portions 84 of the bracket 83, 84 was fixed to the circuit board 73 by the solders 85 and 85. Further, there is also one in which the bracket 83 is fixed to the circuit board 73 with screws. The electronic component 75 is fixed to the circuit board 73 so as to be adjacent to the vibrator 81. The drive voltage of the vibrator 81 is supplied from the circuit board 73 by a voltage supply line (not shown).

[0004]

In such a conventional vibrator mounting structure, when the vibrator 81 is detached for repair or replacement, the case 71 and the circuit board 73 are attached.
It is impossible to take out the vibrator 81 directly from the bracket 83 to the back surface side because there is a narrow space between them and the electronic component 75 adjacent to the vibrator 81 on the back surface side of the circuit board 73. Therefore, conventionally, after melting or sucking the solder 85 that fixes the bracket 83 to the circuit board 73 with a soldering iron or the like, or after removing the screw using a tool such as a screwdriver,
The vibrator 81 has to be removed together with the bracket 83, and when attaching the vibrator 81, soldering or screwing work is required, and the attaching / detaching work is troublesome. Further, since the vibrator 81 is attached to the circuit board 73, the vibrator 81 is attached to the rotating portion 8 of the circuit board 73.
When the circuit board 73 is vibrated during the operation of rotating 2 to vibrate and the other mounted components provided on the circuit board 73 are not firmly fixed, such a mounted component and the circuit board 73 are not There was also the problem that they would collide subtly, and that would cause chattering sounds.

Therefore, an object of the present invention is to simplify the mounting and demounting work of the vibrating device in a pager or the like incorporating a vibrating device which vibrates and informs by virtue of the reception of the calling signal of itself, and at the same time, it is possible to make a difference during the operation of the vibrating device. It is to provide a small electronic device that prevents the generation of sound.

[0006]

In order to solve the above-mentioned problems, the present invention is a small electronic device in which a vibrating device is housed in a case body, wherein the vibrating device is removably installed on the inner surface of the case body. It is characterized by For example, the vibrating device vibrates upon reception of a radio signal to notify the reception of the signal. Further, for example, a rail that holds the vibrating device by a bracket and can be fixed by sliding the bracket is provided on the inner surface of the case body.

[0007]

Since the small electronic device has a vibration device installed on the inner surface of the case body, which vibrates when receiving a radio signal to notify the reception of the signal, the vibration device mounted on the circuit board as in the past operates. There is no chattering noise in. Further, since it is attachable to and detachable from the case body, the vibrating device can be easily attached and detached. If the mounting structure is such that the bracket holding the vibrating device can be slid and fixed to the rail provided on the inner surface of the case body, the vibrating device can be attached and detached with one touch.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a small electronic device according to the present invention will be described below with reference to FIGS. First, in FIGS. 1 and 2 showing a mounting structure of a vibrating device incorporated in a pager as an example of a small electronic device to which the present invention is applied,
Reference numeral 11 is a case body, 21 is a circuit board, 31 is a vibrating device (hereinafter referred to as a vibrator), and 41 is a bracket. A drive voltage is supplied to the vibrator 31 from the circuit board 21 through a voltage supply line (not shown).

A circuit board 21 is provided close to the inner surface of the case body 11 of the pager, and as shown in the drawing, a notch 22 for arranging a vibrator is formed at a corner of the circuit board 21. An electronic component 25 is fixed to the back surface of the circuit board 21 along the cutout portion 22. The vibrator 31 vibrates when receiving the calling signal of itself and notifies the person carrying the pager of the receipt of the calling signal. In the illustrated example, the vibrator 31 rotates from one end surface of the cylindrical main body 32. The rotary unit 34 is provided via the shaft 33. This vibrator 3
1, the columnar main body 32 is held by the bracket 41.

The bracket 41 is made of a metal spring material or a resin, and is provided with rail engaging pieces 45, 45 along both sides of the U-shaped main body 42 as shown in FIG. 3 showing the details. That is, the U-shaped main body 42 in cross section is fitted over the outer peripheral surface of the cylindrical main body 32 of the vibrator 31 over the half circumference thereof, and is fitted in both end faces of the main body 42 in cross section. Restricting pieces 43, 43 for pressing both end surfaces of the columnar main body 32 to be held are provided. In the illustrated example,
A pair of windows 44, 44 that are long along the longitudinal direction are formed. Further, the rail engaging pieces 45, 45 are formed with tapered surfaces 46, 46 having a tapered shape on one end side and arc-shaped locking convex portions 47, 4 protruding laterally on the other end side.
7 is formed.

As shown in FIG. 4, the case main body 11 has a pair of rails 13 and 13 formed on the inner surface of the wall portion having the opening surface 12 in parallel with the plate surface of the circuit board 21. At the inner side of the rails 13 and 13, an escape groove 15 is formed up to the opening surface 12. Here, the rails 13, 13 are L-shaped in cross section, and their projecting ends are opposed to each other.
Locking holes 14, 14 penetrating laterally are formed on the front side of the.

Next, FIG. 5 shows a method of assembling the vibrator 31 to the bracket 41. First, as shown by an arrow in FIG. 31 cylindrical body 3
By fitting 2 in this way, as shown in FIG. 2B, the cylindrical main body 32 is held in the U-shaped main body 42 over a half circumference of the outer peripheral surface thereof. This fitting is performed by elastically deforming the bracket 41 made of a metal spring material or resin. When the vibrator 31 is held by the bracket 41, both end surfaces of the columnar main body 32 are pressed by the restricting pieces 43, 43 provided on both end surfaces of the U-shaped main body 42 in cross section, that is, the vibrator 31. Is regulated in the longitudinal direction.

The bracket 41 holding the vibrator 31 in this manner rotates the vibrator 31 while applying force from the rail engaging pieces 45, 45 side to the U-shaped main body 42 in section as shown by the arrow in FIG. Rails 13 and 13 provided on the inner surface of the case body 11 with the portion 34 side first.
The rail engaging pieces 45, 45 are respectively engaged with the grooves between and the wall surface thereof. The engagement into the rails 13 and 13 is smoothly performed by the guide function of the tapered surfaces 46 and 46 on the rail engaging pieces 45 and 45 end side. And
By sliding the bracket 41 along the rails 13, 13, the locking holes 14,
The circular arc-shaped locking projections 47, 47 provided on the rail engaging pieces 45, 45 are respectively inserted into the rails 14, and the rails 13, 1
Rail engaging pieces 45, 45 are fixed between the three. That is, as shown in FIGS. 1 and 2, the bracket 41 holding the vibrator 31 is fixed to the case body 11.

In the mounted state of the vibrator 31 as described above, the rotating portion 34 thereof corresponds to the position of the escape groove 15 on the inner surface of the case body 11 as shown in FIG. Therefore, the rotating portion 34 during the operation of the vibrator 31
The presence of the escape groove 15 causes the rotational vibration of the item (1) without any trouble. As described above, according to the pager in which the vibrator 31 is installed on the inner surface of the case body 11, the vibrator 31 operates by receiving the calling signal of itself, and the vibration due to the rotation of the rotating portion 34 is directly transmitted to the case body 11. In addition, the person carrying the pager can be effectively sensed, and the chattering noise can be prevented from occurring during the operation of the vibrator such as when the vibrator 31 is mounted on the circuit board 21 side.

For example, when the vibrator 31 is removed for repair or replacement, the rails 13, 13 are applied to the U-shaped main body 42 of the bracket 41 from the side of the rail engaging pieces 45, 45 with fingers. By pulling the bracket 41 along the rails, the locking projections 47, 47 having an arc shape are pulled out from the locking holes 14, 14, respectively, and the rail 13,
The vibrator 31 can be pulled out together with the bracket 41 with one touch. In the case of reattachment or attachment after replacement, as described above, the bracket 41 holding the vibrator 31 can be attached to the inner surface of the case body 11 with one touch. As mentioned above,
The vibrator 31 can be attached to and detached from the case body 11 with one touch.

In the above embodiments, the pager having a built-in vibrator is used, but the present invention is not limited to this, and other portable radio receivers or the like for notifying the incoming call signal by vibration. May be a small electronic device. Further, as for the mounting structure of the vibrator, it is possible to adopt a mounting structure other than that of the embodiment, and it is needless to say that other specific detailed structures can be appropriately changed.

[0017]

As described above, according to the small electronic device of the present invention, for example, a vibrating device for vibrating by receiving a radio signal as in claim 2 to notify the signal reception is provided with a case body. Since it is installed on the inner surface of the case, it is possible to prevent chattering noise from occurring during operation of the vibration device mounted on a conventional circuit board. Moreover, the vibration device can be easily attached / detached to / from the case body. can do.
Further, according to the third aspect, the mounting structure in which the bracket for holding the vibrating device can be slid and fixed to the rail provided on the inner surface of the case body allows the vibrating device to be attached / detached with one touch. .

[Brief description of drawings]

FIG. 1 is a schematic plan view of a main part showing a mounting structure of a vibrating device incorporated in a pager as an example of a small electronic device to which the present invention is applied.

FIG. 2 is a schematic side view of the same main portion.

3A and 3B show a single state of a bracket for holding a vibrating device, where FIG. 3A is a plan view, FIG. 3B is a side view, FIG. 3C is an end view seen from one side, and FIG. FIG.

FIG. 4 is an enlarged perspective view of a portion including a rail on the inner surface of the case body.

FIG. 5 shows how to assemble the vibration device to the bracket. (A) is an exploded view seen from the end face side before assembly,
(B) is an end view of the same assembled state.

FIG. 6 is an exploded view showing how to attach a bracket holding a vibrating device to a rail.

FIG. 7 is a schematic plan view of a main part showing a conventional example of a mounting structure of a vibrating device incorporated in a pager.

FIG. 8 is a schematic side view of the main part of the same.

[Explanation of symbols]

 11 Case Main Body 13 Rail 14 Locking Hole 15 Escape Groove 21 Circuit Board 31 Vibration Device (Vibrator) 32 Cylindrical Main Body 33 Rotating Shaft 34 Rotating Part 41 Bracket 42 Cross Sectional U-Shaped Body 43 Restricting Piece 45 Rail Engaging Piece 46 Tapered Surface 47 Locking protrusion

Claims (3)

[Claims] 1. A small electronic device in which a vibrating device is housed in a case body, wherein the vibrating device is detachably installed on an inner surface of the case body. 2. The small electronic device according to claim 1, wherein the vibrating device vibrates upon reception of a radio signal to notify of signal reception. 3. The small electronic device according to claim 1, wherein a rail that holds the vibrating device by a bracket and that can be fixed by sliding the bracket is provided on an inner surface of the case body. .