JP2984676B1 - Small electronic equipment - Google Patents

Abstract

A small-sized electronic device is provided which improves the mounting efficiency to reduce the size and weight of the device, and simplifies the configuration to facilitate assembly. An elastic member holder (2) for holding a cylindrical surface of a vibrating motor (1) is provided between a surface on one side of a printed board (3) and a case bottom surface (71). A part of the pillar protruding from the printed board forms a locking part 21 which is pressed into a locking groove 31 provided in the printed board and locked, and has a switch 4 on the other side of the printed board. An operation section 5 having a projection for pressing the support 4 and having a fulcrum 51 for supporting the seesaw operation and abutting against the end face of the column of the holder, and an opening is provided on the upper surface of the case in a region corresponding to the operation section. One side of the portion 5 is exposed, and the operating portion 5 has a flange 54 extending toward the outside of the opening from the end of the opening. Sandwich.

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, and more particularly to a structure for holding a vibration motor of a small electronic device having a vibration motor and a seesaw switch.

[0002]

2. Description of the Related Art A conventional holding structure of a vibrating motor of a small electronic device such as an individual paging receiver will be outlined below.

FIG. 7 is an exploded perspective view of a conventional vibrating motor holding structure disclosed in Japanese Patent Application Laid-Open No. 8-51286 (Japanese Patent Application No. 6-185053). Referring to FIG. 7, this conventional vibration motor holding structure uses a rubber or soft plastic material having a vibration absorbing property for a holder 82, and holds the vibration motor 80 in a holding portion 83. Locking portion 84 of tongue piece 85 provided on holder 82
Are engaged with the locking holes 86 of the printed board 81, and the holder 82 into which the vibration motor 80 is inserted by the printed board 81.
Are positioned and fixed between the inner surfaces of the upper and lower cases.

When the holder and the printed board are held and positioned inside, the locking portion 84 and the locking hole 8 of the printed board are formed.
6 is provided so as to have a certain gap therebetween. The gap suppresses vibration transmitted to the printed board 81 and prevents irregular noise.

[0005] A conventional seesaw switch holding structure will be described below. FIG. 8 shows the configuration of Japanese Unexamined Patent Application Publication No. 9-97539.
FIG. 1 is an exploded perspective view showing a conventional seesaw type switch holding structure disclosed in Japanese Unexamined Patent Application Publication No. 7-276770. Referring to FIG. 8, the seesaw switch holding structure has two substantially U-shaped ends on both side surfaces of the operating element 92.
A bending portion 95a connected to both side surfaces of the operation element 92;
One end is connected to the center of the flexure 95a and the other end is the upper case 91.
The upper case 91 and the operating element 92 are integrally formed, and the seesaw switch 90 in which the fulcrum is in contact with the printed board 93 is provided. doing.

By integrally forming the upper case 91 and the operating element 92, a backlash is generated between the two and the operation feeling is impaired, or an abnormal sound is generated by vibration, so that the quality of the whole equipment employing the seesaw switch is improved. This prevents the feeling from being impaired.

[0007]

However, the above-mentioned conventional structure for holding a vibration motor or the like has the following problems.

First, the holding structure of the vibrating motor shown in FIG. 7 is structured so as to be sandwiched and fixed between the inner surfaces of the upper and lower cases. In particular, in the upper case, the range (area) for holding the holding tool is as follows. There has been a problem that the role of only holding the holding tool is all the time, other components cannot be mounted in this area, and the mounting efficiency is poor.

On the other hand, in the seesaw type holding structure shown in FIG. 8, since the holding spring 95 and its hole are exposed around the operation element 92, a decorative plate 96 is required separately from the upper case 91. A separate part called a decorative board is required, which leads to an increase in the number of parts, an increase in the number of assembling / maintenance steps, and an increase in the equipment thickness of the decorative board.

[0010] Further, the use area of the seesaw switch becomes large only in the range of the holding spring, and the size of the device is increased.

Further, the fulcrum of the operation element 92 is
It is necessary to fix the position of the printed board 93 in the height direction with high accuracy so as to be in contact with 3. In the case of a small device,
Difficult to achieve.

If there is a gap between the fulcrum and the printed board,
The operation element rattles, and generates an abnormal noise due to vibration.

Conversely, when the printed board pushes up the fulcrum, the holding spring pushes up the decorative board, and the decorative board floats, which may result in poor appearance.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above problems, and has as its object to improve the mounting efficiency and reduce the size and weight of the device, and to simplify the structure to assemble the device. It is an object of the present invention to provide a small electronic device which is easy to use.

Another object of the present invention is to provide a small-sized electronic device which avoids rattling of the operator, improves production reliability and stability, and prolongs product life.

[0016]

In order to achieve the above object, the present invention comprises a holder for holding a vibration motor between one surface of a printed board and the bottom of a case, and a switch and an operator on the other surface. Is disposed, the holder has a pillar protruding on a side facing one surface side of the printed board, and a locking portion for locking a part of the pillar with a locking groove of the printed board is provided. In addition, the column is configured to be in contact with a fulcrum that protrudes from the operation portion and supports the seesaw operation, and holds the holder between the fulcrum of the operation element and the bottom surface of the case.

According to the present invention, a holder for holding a vibration motor is provided between one side of the printed board and the bottom of the case, and a switch and an operation element are provided on the other side. A pillar protruding on a side facing one surface side of the printed board,
A part of the pillar forms a locking part for locking with the locking groove of the printed board, and a convex part forming a tip of the pillar abuts a concave part of the operation part, and a tip convex part of the pillar is formed. May function as a fulcrum that supports the seesaw operation of the operation element, and the holding tool may be sandwiched between the operation element and the bottom surface of the case. In the present invention, the operation element has a flange partially exposed from an opening of the case and further extending from the opening end of the case.

[0018]

Embodiments of the present invention will be described below. One embodiment of the small electronic device of the present invention is:
Referring to FIG. 3, a holder (2) for holding a vibration motor (1) is provided between one surface of a printed board (3) and a case (7), and a switch (4) is provided on the other surface. An operator (5) is provided, and the holder (2) includes a column (22) protruding on a side facing one surface of the printed board (3), and a part of the column (22) is formed by the printing. The column (22) forms a locking portion (22) for locking with the locking groove (31) of the plate, and the column (22) projects from the operating portion (5) and contacts a fulcrum (51) that supports the seesaw operation. In this configuration, the holder is held between the fulcrum (51) of the operation element and the bottom of the case.

Referring to FIG. 6, another embodiment of the small electronic device of the present invention holds a vibration motor (1) between one surface of a printed board (3) and a case (7). A switch (4) and an operation element (5) are provided on the other surface side, and the holder (2) projects to a side facing one surface side of the printed board. A column (22), a part of the column (22) forms a locking portion (21) for locking with a locking groove of the printed board, and a projection (23) forming a tip of the column. Abuts against the concave portion (55) of the operating portion, and the tip convex portion (23) of the column serves as a fulcrum for supporting the seesaw operation of the operating element (5), and the operating element and the bottom surface of the case are provided. Is configured to sandwich the holding tool.

More specifically, one embodiment of the present invention is:
Referring to FIG. 3, the vibration motor (1) is held by an elastic holder (2). The holding tool (2) is provided with a locking rib (21) for locking the groove (3) of the printed board (3).
Locked in 1). The switch (4) is mounted on the printed board (3), and in order to press the switch (4),
An operator (5) having a projection is provided at a position corresponding to the switch (4), and the operator (5) is provided with a fulcrum (51) for supporting the seesaw operation. Vibration motor (1)
Is pressed and held by the case inner surface (71) of the lower case (7) and the fulcrum (51) of the operating element via the holder (2).

The operating element (5) receives the repulsive force of the holder (2), and its flange (54) is pressed against the escape (62) of the upper case (6).

Thus, noise noise generated by the vibration of the operation element (5) can be reduced.

Further, the vibration motor 1 is arranged on one side of the printed board (3), and the switch (4) and the operation element (5) are arranged on the opposite side, so that both sides of the printed board can be used efficiently.

In the embodiment of the present invention, the rattling of the operation member can be suppressed by the repulsive force (biasing force due to elasticity) of the holder 2, and as shown in FIG.
Neither the holding spring nor the decorative board is required.

In the embodiment of the present invention, 1
Three or more switches may be operated by one operator, and more operations can be performed with a small moving amount of the finger.

In the small electronic device according to the present invention, the push button is pressed against the inner surface of the case by holding the holder for holding the vibrating motor between the fulcrum of the seesaw type push button switch and the inner surface of the case. The noise noise generated by vibration is reduced.

[0027]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing the appearance of a small electronic device according to one embodiment of the present invention. This small electronic device is an individual call receiving terminal that, when wirelessly received, notifies an incoming call by sound or vibration and displays the received information on a display unit. Referring to FIG. 1, the case includes an upper case 6 and a lower case 7. The operation element 5 is exposed from the hole of the upper case 6. A printed board, a vibration motor, a switch, and the like are built in the case.

FIG. 2 is an exploded perspective view for explaining the structure of one embodiment of the present invention. Referring to FIG. 2, the vibrating motor 1 has its cylindrical surface inserted and held in the opening of the holder 2. The holder 2 is formed of a soft member having elasticity. A lock rib 21 for locking to the printed board 3 is provided on a part of the holder 2. The printed board 3 incorporated in the apparatus is provided with a locking groove 31 for locking the holder 2, and the locking rib 21 of the holder 2 is press-fitted and assembled.

A switch 4 is provided on the surface of the printed board 3 opposite to the surface on which the holder 2 is mounted.
An operator 5 is provided for pressing the switch 4.

FIG. 3 is a longitudinal sectional view taken along the line AA 'of FIG. 2, and is a sectional view taken through the switch 4 and the vibrating motor 1 and cut perpendicular to the printed board 3. As shown in FIG. . The holder 2 holds the vibrating motor 1 and the locking rib 21 of the holder 2.
Is press-fitted into the locking groove 31 of the printed board 3.

A switch 4 is provided on the surface of the printed board 3 opposite to the surface of the vibration motor 1. The switch 5 includes a switch 4
Is pressed, the protrusion 5 is located at a position opposite to the switch 4.
2 are provided.

The operating element 5 is provided with a fulcrum 51 for supporting the seesaw operation at the center between the two projections 52.

A column 22 is provided on a part of the holder 2 and a fulcrum 51 is provided.
And is held between the inner surface 71 of the lower case 7.

The operating element 5 receives a pressing repulsive force from the holder 2, but a flange (flange) 54 is provided on the outer periphery of the operating element 5 so as to be larger than the hole 61 of the upper case 6.
From the hole 61 is prevented.

The operating element 5 is pressed against the escape 62 of the upper case 6 by the pressure repulsive force from the holder 2, so that it does not rattle even when vibration is applied.

The operation of the embodiment of the present invention will be described. FIG. 4 is a cross-sectional view showing a case where the operating element 5 is pushed down in a certain direction based on a required switch operation. Referring to FIG. 4, when the left side of the operation element 5, which is a seesaw-type button, is pressed, the upper right corner of the collar 54 hits the escape 62 of the upper case 6, and rotates to the left with the fulcrum as the fulcrum.

The fulcrum 51 of the operation element 5 is
Is further depressed, and the projection 52 of the operator 5
Press down until you turn on.

The switch 4 itself has a click feeling. However, if the pressing force of the operation element 5 is strong, the click feeling cannot be felt by the finger, and the feeling of pressing the switch button deteriorates. Therefore, in order to reduce the pressing force of the operation element 5, a groove 53 is provided at the center of the operation element 5.

When the operator 5 is depressed, the fulcrum 51 loses the repulsive force from the column 22 of the holder 2, and the operator 5
And the pressing force for turning on the switch 4 is reduced.

When the pressing of the operating element 5 is stopped, the bending of the operating element 5 returns to its original state, and the operating element 5 receives the repulsive force of the column 22 of the holder 2, and is pressed against the escape 62 of the upper case 6 to hold the operating element 5. Is done.

As a countermeasure to prevent the operator 5 from being pressed down and the switch 4 from being pressed at the same time, in practice, priorities may be set in terms of software. For example, when simultaneous depression of the switch 4 is detected by a CPU or the like incorporated in a small electronic device, software control is performed so that one of them is given priority.

Next, a second embodiment of the present invention will be described. In the present invention, the number of switches pressed by the operator need not be two, but may be three or more.

FIG. 5 is a diagram showing a configuration having three switches. The three switches 4 are the holders 2 for the vibrating motor.
Are arranged approximately equidistantly around the column 22 of the center. Also, the three switches 4 are arranged at substantially equal distances. Operator 5
The projection 52 is provided at a position opposite to the switch 4. 3
A fulcrum 51 is provided substantially at the center of the projections. A groove 53 is provided at an intermediate point between the two projections. Thus, the present invention can be applied to three or more switches.
The fulcrum 51 of the operation element is in contact with the end face of the column 22. Also,
The locking portion 21 of the holder 2 is locked with the locking groove 31 of the printed board 7 as in the above embodiment.

Next, a third embodiment of the present invention will be described. FIG. 6 is a sectional view showing the configuration of the third embodiment of the present invention. Referring to FIG. 6, instead of protruding the fulcrum 51 from the operation element 5, a depression 55 is provided in the operation element 5, the projection 23 is provided on the column 22 of the holder 2, and the projection 23 supports the operation element 5 and Plays a role. The operation element 5 receives a repulsive force from the holder 2 by pressing the convex portion 23 of the holder 2 with the recess 55, and is pressed against and held by the upper case 6.

When the switch is operated, the projection 52 pushes down the switch 4 while the operator 5 pushes down the projection 23 of the holder 2. When the groove 53 is provided in the operation element 5, the operation element 5 bends and the pressing force when the switch is pressed can be reduced, so that the click feeling is improved.

[0046]

As described above, according to the present invention, the following effects can be obtained.

A first effect of the present invention is that the size and weight of the device can be reduced, and the productivity and maintainability can be improved by simplifying the configuration.

The reason for this is that in the present invention, since a part of the holder also functions as an elastic body for pressing the operator to the case, it is possible to reduce the number of parts and the associated man-hour for assembly and maintenance. is there. In addition, a switch and a vibrating motor can be arranged on both sides of the printed board, and the compactness and weight reduction of the device can be realized by mounting the switch at high density.

The second effect of the present invention is that the merchantability can be improved.

The reason is that in the present invention, it is possible to prevent the operation element from rattling due to the vibration of the device and generating abnormal noise.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the appearance of a small electronic device according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view for explaining one embodiment of the present invention.

FIG. 3 is a cross-sectional view for explaining one embodiment of the present invention, which is a cross-sectional view along the line AA ′ of FIG. 2;

FIG. 4 is a sectional view for explaining the operation of one embodiment of the present invention.

FIG. 5 is a diagram for explaining another embodiment of the present invention;
FIG. 3A is a top view of the operation element, and FIG. 3B is a top view of the printed board in a state where the holder is locked, as viewed from above.

FIG. 6 is a sectional view illustrating another embodiment of the present invention.

FIG. 7 is a perspective view illustrating a structure for holding a vibration motor in a conventional small electronic device.

FIG. 8 is a perspective view illustrating a structure of a seesaw switch in a conventional small electronic device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vibration motor 11 Weight 2 Holder 21 Locking rib 22 Column 23 Convex part 3 Printed board 31 Locking groove 4 Switch 5 Operator 51 Supporting point 52 Projection 53 Groove 54 Collar 55 Recess 6 Upper case 61 Hole 62 Escape 63 Column 7 Lower case 71 Case inner surface 72 Column 80 Vibration motor 81 Print board 82 Holder 83 Holding section 84 Lock section 85 Tongue piece section 86 Lock hole 90 Seesaw switch 91 Upper case 92 Operator 93 Print board 94 Switch 95 Holding spring 95a Deflection part 95b Twist part 96 Decorative board

Claims (10)

(57) [Claims] 1. A holder for holding a vibrating motor between one side of a printed board and a main body case, wherein a switch and an operator are disposed on the other side of the printed board. Has a column protruding on a side facing one surface side of the printed board, a part of the column forms a locking portion and is locked with a locking groove of the printed board, and the column protrudes from the operating portion. And a supporting point for supporting a seesaw operation, wherein the holding tool is held between the supporting point of the operation element and the main body case. 2. The small electronic device according to claim 1, wherein a top end surface of said pillar is concave. 3. A holder for holding a vibration motor between one surface of a printed board and a main body case, wherein a switch and an operator are provided on the other surface of the printed board. Is provided with a column protruding on a side facing one surface side of the printed board, and a part of the column forms a locking portion and is locked with a locking groove of the printed board, and a convex tip of the column is provided. The portion abuts a concave portion provided at a position corresponding to the tip of the pillar of the operating portion, and the convex tip of the pillar serves as a fulcrum for supporting the seesaw operation of the operator, and the operator The small electronic device, wherein the holder is sandwiched between the main body case and the main body case. 4. A part of the operating element is exposed from an opening provided in the main body case, and the operating element has a flange extending further than the edge of the opening and covered by the main body case. The small electronic device according to claim 1, wherein: 5. The small electronic device according to claim 1, wherein the holder is made of an elastic member. 6. A vibrating motor holder is provided between a printed board and a case, and a switch is provided on a surface of the printed board opposite to the surface facing the holder, and the switch is depressed. The operating element has a flange which is further extended from the end of the opening on the upper surface of the case provided with an opening for exposing the operating element and is covered by the upper surface of the case; The tool has a locking portion, which is locked in a locking groove for locking the locking portion provided on the printed board, a fulcrum supporting a seesaw operation provided on the operation element,
A small electronic device, wherein the electronic device is in contact with an end surface of a pillar above the locking portion of the holding tool. 7. A printed circuit board, comprising:
A holding member made of a member having elasticity and holding a cylindrical surface of the vibration motor is provided, and the holding member has a locking portion in which a part of a pillar protruding in the surface direction on the one side of the printed board forms a locking portion. The locking portion is press-fitted into a locking groove provided in the printed board and locked, has a switch portion on the other side of the printed board, and further has a projection for pressing the switch portion, and a seesaw operation. An operating part having a fulcrum that supports the end of the pillar of the holding tool, an opening is provided on the upper surface of the case in a region corresponding to the operating part, and one side of the operating part is exposed, and The small electronic device according to claim 1, wherein the operation unit has a flange that extends toward an outside of the opening from an end of the opening and is covered by an upper surface of the case. 8. Between a surface on one side of a printed board and a case,
A holder, which holds the cylindrical surface of the vibrating motor and is made of a member having elasticity, is interposed. The holder has a portion protruding in the surface direction on one side of the printed board and having a protruding tip portion. The locking portion forms a stopper, and is locked by being pressed into a locking groove provided in the printed board, and has a switch on the other side of the printed board, and further has a projection for pressing the switch. And an operating portion having a concave portion at a position corresponding to the tip of the pillar of the holding tool, wherein the tip of the pillar functions as a fulcrum for supporting the seesaw operation of the operating element, and an area corresponding to the operating portion. An opening is provided on the upper surface of the case, and one side of the operating portion is exposed, and the operating portion has a flange extending toward the outside of the opening from the end of the opening and covered by the upper surface of the case. Small electronic device characterized by the above-mentioned. 9. The small electronic device according to claim 7, wherein a groove is provided at a position corresponding to the fulcrum on the exposed surface of the operation element. 10. When the switch is pressed by the operator, the movement of the flange of the operator opposite to the side on which the switch is pressed is restricted at the opening end of the case. 9. The compact electronic device according to any one of claims 8 to 8.