JP2003346608A - Multidirectional pressing switch - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a multidirectional pressing switch with miniaturization realized and capable of making a sure on-off operation of each switching contact. <P>SOLUTION: The switch is provide with a coupling member 30 equipped with a base part 31 and a hinge pulled out of the base part 31, a keytop 70 arranged on the hinge 39 of the coupling member 30, and a switching board 110 equipped with a switching contact at a position opposed to a pressing part 73 fitted to the keytop 70. The base part 31 of the coupling member 30 and the keytop 70 are provided with an outer periphery contact face 37 and an inner periphery contact face 77 each in contact with an oscillating center of the keytop 70 so as to surround it. By oscillating the keytop 70 while making the outer periphery contact face 37 and the inner periphery contact face 77 slide with each other, a switching contact in opposition is put on by the descending pressing part 73. The outer periphery contact face 37 and the inner periphery contact face 77 are formed in a spherical shape. <P>COPYRIGHT: (C)2004,JPO

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-directional push switch having a structure in which a key top is swung in multiple directions to turn on and off a switch contact disposed thereunder.

[0002]

2. Description of the Related Art Conventionally, an on-vehicle navigation system,
As a device for operating a computer, various OA equipment, a game machine, and the like, a part of the outer periphery of a substantially plate-like key top is pushed down and rocked, or the center of the key top is pushed down just below, so that the pushed down part is pressed down. A multi-directional pressing switch having a structure in which a lower switch contact is turned on has been developed and used.

[0003] In this type of multi-directional push switch, while further miniaturization and thinning are required in accordance with the demand for miniaturization and thinning of electronic equipment, each switch contact can be reliably turned on and off. Has been requested.

[0004] However, it has been conventionally difficult to reduce the thickness of the multi-directional pressing switch and to ensure reliable on / off operation of each switch contact.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and an object of the present invention is to provide a multi-directional push switch capable of performing a reliable on / off operation of each switch contact while achieving a reduction in thickness. To provide.

[0006]

In order to solve the above-mentioned problems, a multi-directional push switch according to the present invention comprises a connecting member having a base and a hinge on the outer periphery of the base, and at least a hinge on the connecting member. The connecting member, comprising: a key top to be arranged; a pressing portion provided on the key top or the hinge and swinging by a swinging operation; and a switch contact forming member provided with a switch contact at a position facing the pressing portion. The base portion and the key top are provided with an outer peripheral contact surface and an inner peripheral contact surface facing each other so as to surround the pivot center of the key top, and the outer peripheral contact surface and the key top provided on the base portion are respectively provided. By swinging the key top while slidingly contacting the inner peripheral contact surface provided, the opposing switch contact is turned on by the lowered pressing portion.

Further, a multi-directional pressing switch according to the present invention comprises: a switch contact forming member provided with a central switch contact and a peripheral switch contact surrounding the central switch contact;
A connection member having a base located on the central switch contact of the switch contact forming member and a hinge on the outer periphery of the base; and a key top disposed on the base and the hinge of the connection member, wherein the key A central pressing portion that penetrates the base portion at the top and presses the central switch contact by a pressing operation is provided, and a peripheral pressing portion that presses the peripheral switch contact by a swinging operation at the key top or hinge is provided. The base and the key top of the connecting member are provided with an outer peripheral contact surface and an inner peripheral contact surface facing each other so as to surround a pivot center of the key top, and the key top is pivoted together with a hinge. A switch contact which is opposed to the peripheral pressing portion by the peripheral pressing portion which is lowered while sliding the outer peripheral contact surface provided on the base portion and the inner peripheral contact surface provided on the key top. When the key top is turned on, the key top is lowered by a pressing operation to insert the portion of the inner peripheral contact surface of the key top on the outer peripheral side of the outer peripheral contact surface of the base, and the center opposed by the central pressing portion of the key top. Is turned on.

Further, the present invention is characterized in that at least one of the outer peripheral contact surface of the base and the inner peripheral contact surface of the key top is formed in a spherical shape.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. [First Embodiment] FIG. 1 is a plan view of a multi-directional pressing switch 1 according to a first embodiment of the present invention, FIG. 2 (a) is a sectional view taken along line AA of FIG. 1, and FIG. FIG. 1 is a sectional view taken along line BB of FIG. As shown in both figures, this multi-directional pressing switch 1
Switch contact forming member (hereinafter referred to as "switch board")
10, a connecting member 30 and two key tops 50, 70
And is attached. Hereinafter, each component will be described.

FIG. 3 is a view showing the switch board 10.
FIG. 1A is a plan view, and FIG. 1B is a side view. As shown in FIG. 1, the switch substrate 10 is configured by mounting a flexible switch substrate 21 on a hard plate 11 made of a synthetic resin plate. The flexible switch board 21 is formed by, for example, stacking two flexible sheets, and has a central reversing plate 25 and a reversing plate 25 on its upper surface.
Are mounted, and four openings 23 are provided around a central reversing plate 25. A switch contact is provided directly below each of the reversing plates 25 and 27. When the reversing plates 25 and 27 are pressed to be reversed, the switch contacts are turned on. The reversing plate may be configured as a movable contact plate or a click plate. On the other hand, through holes 13 are provided at positions of the hard plate 11 facing the four openings 23, respectively.

FIG. 4 is a view showing the connecting member 30, and FIG.
4A is a plan view, FIG. 4B is a cross-sectional view taken along line CC of FIG. 4A, and FIG. 4C is a cross-sectional view taken along line DD of FIG. 4A. As shown in the figure, the connecting member 30 is provided with a substantially disk-shaped base 31 at the center, and is provided so as to project four sets of hinges 39 from the outer periphery thereof.

At the center of the base 31, there is provided an insertion portion 33 into which a pressing portion 53 of a key top 50 (hereinafter referred to as "central key top") 50 described below is vertically movably inserted. Locking claws 55, 5 of key top 50
5 are provided. An outer peripheral contact surface 37 formed in a spherical shape is provided on an upper portion of the outer peripheral side surface of the base 31. The radius of curvature of the outer peripheral contact surface 37 is determined by the swing center (the base 31) of the key top 70 described below.
(Approximately the center of the surface) to the outer peripheral contact surface 37. Further, at the outer peripheral portion of the lower surface of the base 31 at positions opposed to the four openings 23 of the flexible switch board 21, there are provided projecting fixing portions 38 inserted into these openings 23.

The hinge 39 is formed in a shape in which a thin plate is formed into a ring shape and both ends thereof are connected to the outer peripheral side surface of the base 31, and is formed integrally with the base 31. A fixing portion 41 is provided at the center of each hinge 39, and a hole 43 penetrating vertically is provided in the fixing portion 41. The hole 43 includes a circular portion 431 and fixed portions 433 and 433 that protrude linearly from both sides of the circular portion 431.

As shown in FIGS. 1 and 2, the center key top 50 projects a columnar pressing portion 53 from the center of the lower surface of the disk-shaped key top main body 51, and a locking claw 55 from both left and right sides of the pressing portion 53. , 55 are projected.

5A and 5B are views showing the key top 70, FIG. 5A is a side sectional view (a cross section taken along the line EE in FIG. 5B), and FIG. 5B is a rear view. As shown in the figure, the key top 70 is formed by molding a synthetic resin into a ring shape, an opening 71 is provided at the center, and four projection-like pressing portions 73 are provided at equal intervals on the lower surface thereof. A guide portion (hereinafter, referred to as a “projection portion”) 75 that projects downward is provided at a peripheral portion of the opening 71. The inner peripheral side surface of the protrusion 75 is an inner peripheral contact surface 77. The inner peripheral contact surface 77 is formed in a spherical shape so as to have a radius of curvature substantially equal to the radius of curvature of the outer peripheral contact surface 37 of the connecting member 30. The projection 75 is provided with four notches 79, and the four sets of hinges 3 are provided in these notches 79.
9. The pressing portion 73 is provided with a pair of fixing portions 74, 74 on both outer peripheral side surfaces. The fixing portion 74 has a quadrangular prism shape and is formed slightly lower than the height of the pressing portion 73. The hole 43 of the connecting member 30 is formed to have a dimension that fits both the pressing portion 73 and the fixing portions 74, 74.

In order to assemble the multi-directional pressing switch 1, first, the central key top 50 is placed on the base 31 of the connecting member 30, and the pressing portion 5 of the central key top 50 is placed.
3 is inserted into the insertion portion 33 provided on the base 31,
The locking claws 55, 55 of the central key top 50 are inserted into the locking portions 35, 35 provided on the base portion 31, and the claw portions at the tips thereof are locked to the lower surfaces of the locking portions 35, 35 to prevent the slippage. To prevent. Thus, the center key top 50 is attached to the base 31 so as to be vertically movable.

Next, the key top 70 is placed on the hinge 39 of the connecting member 30 and the four pressing portions 7 of the key top 70 are placed.
3 and the fixing portions 74, 74 are inserted into the respective holes 43 of the connecting member 30. Then, only the fixing portions 74 and 74 protruding from the respective holes 43 to the opposite side are crushed by thermal caulking as shown in FIG.
Complete fixing to. At this time, the center key top 50 is inserted into the opening 71 of the key top 70.

Then, the connecting member 30 to which the key tops 50 and 70 are attached is mounted on the switch board 10 as shown in FIGS. 1 and 2, and the fixing portions 38 provided on the base 30 of the connecting member 30 at that time. To the openings 23, 13 of the switch substrate 10.
The multi-directional pressing switch 1 is completed by inserting it into the inside and crushing and fixing the tip of each fixing portion 38 on the lower surface of the hard plate 11 by heat caulking. At this time, as shown in FIG.
The pressing portion 53 of the central key top 50 is in contact with or close to the central reversing plate 25, and
3 is also in contact with or approaching the surrounding reversing plate 27. At the same time, the key top 70 is provided on the outer peripheral contact surface 37 provided on the base 31.
Are in contact with each other so that the inner peripheral contact surface 77 provided substantially in contact with the surface. The outer peripheral contact surface 37 and the inner peripheral contact surface 77 face each other so as to surround the swing center of the key top 70.

As shown in FIG. 7, when the upper surface of the center key top 50 is pressed in the direction of arrow F, the center key top 50 is lowered and the pressing portion 53 presses the reversing plate 25 to reverse it. , The switch contact turns on. When the pressing on the center key top 50 is released, the center key top 50 is automatically returned to the original position by the resilience of the reversing plate 25 and its switch contact is turned off.

On the other hand, as shown in FIG. 8, when the upper surface on the left side of the key top 70 is pressed in the direction of arrow G, the hinge 39 bends, and the left pressing portion 73 descends, and the reversing plate 27 located thereunder. Is pressed and inverted, and the switch contact of the inverted inversion plate 27 is turned on. At this time, the key top 70 rotates while its inner peripheral contact surface 77 slides on the outer peripheral contact surface 37 of the connecting member 30, so that the key top 70 can smoothly swing (rotate). . That is, the inner peripheral contact surface 77
The key top 70 rotates about a center of a spherical surface formed by the outer peripheral contact surface 37 and the key top 70. Therefore, the pressing portion 73 on the opposite side rises, and the switch contact facing it does not turn on. When the pressing on the key top 70 is released, the key top 70 is reliably automatically returned to the original neutral position by the elastic return force of the hinge 39 in addition to the elastic return force of the reversing plate 27.

As described above, this multi-directional push switch 1
According to this, since the key top 70 is fixed by the connecting member 30 having the hinge 39, the key top 70 can be automatically returned to the original neutral position without fail.

Further, according to the multi-directional pressing switch 1, the key top 70 is swung together with the hinge 39 while the outer peripheral contact surface 37 of the connecting member 30 and the inner peripheral contact surface 77 of the key top 70 are in sliding contact with each other. As a result, not only the structure is simple and the thickness can be reduced, but also when one part of the key top 70 is pressed, the other part rises without lowering, and the key top 70 is smoothly swung. The switching operation can be performed at the same time as the switch contact can be reliably turned on and off.

Further, according to the present embodiment, the hinge 39 projects from the base 31 so as to draw a substantially ring, and the key top 70 is fixed to an intermediate portion thereof.
Can be made long enough to deflect it with a predetermined elastic force, which is more preferable.

In this embodiment, the key top 70 is fixed to the hinge 39 by fixing the fixing portions 74, 74 directly provided on the pressing portion 73 to the hinge 39. There is no need to provide a separate portion for heat caulking in other portions of the device 39, and the structure is simplified, and from this point, the size of the multi-directional pressing switch 1 can be reduced.

In this embodiment, the central key top 50 is provided at the center.
0 is not necessarily required.

[Second Embodiment] FIG. 9 is a plan view of a multi-directional push switch 101 according to a second embodiment of the present invention, FIG. 10 (a) is a sectional view taken along line HH of FIG. 9, and FIG. ) Is FIG.
FIG. 2 is a sectional view taken along line II of FIG. As shown in both figures, the multi-directional pressing switch 101 includes a connecting member 130 on a switch contact forming member (hereinafter referred to as a “switch board”) 110.
And a key top 170 are attached. Hereinafter, each component will be described.

FIG. 11 is a view showing the switch board 110, FIG. 11 (a) is a plan view, and FIG. 11 (b) is a side view. As shown in the figure, the switch substrate 110 is a flexible switch substrate 1 on a hard plate 111 made of a synthetic resin molded plate.
21 is mounted. The flexible switch substrate 121 has a reversing plate 125 attached to the center of the upper surface thereof, and four reversing plates 127 around the reversing plate 125.
And four openings 123 are provided between the four reversing plates 127. A switch contact is provided directly below each of the reversing plates 125, 127,
The switch contact is turned on by pressing and reversing 7. The reversing plate may be configured as a movable contact plate or a click plate. On the other hand, the hard plate 11
Openings 113 are provided at positions facing the four openings 123, respectively.

FIG. 12 is a view showing the connecting member 130.
12A is a plan view, FIG. 12B is a JJ cross-sectional view of FIG. 12A, and FIG. 12C is a KK cross-sectional view of FIG. As shown in the figure, the connecting member 130 has a substantially disk-shaped base 131 at the center, and four sets of hinges 139 are provided so as to protrude from the outer periphery thereof, and a surrounding part 145 surrounding the outside of the hinge 139 is further provided. And the base 131
And the surrounding portion 145 are connected by four connecting portions 147.

At the center of the base 131, there is provided an insertion portion 133 for vertically inserting a central pressing portion 173 of the key top 170 described below. The insertion portion 133 is tapered so that the inner diameter at the upper end is larger than the inner diameter at the lower end. An outer peripheral contact surface 137 formed in a spherical shape is provided on an upper portion of the outer peripheral side surface of the base 131. The radius of curvature of the outer peripheral contact surface 137 is a radius of curvature whose radius is the distance from the swing center (substantially the center of the base 131) of the key top 170 described below to the outer peripheral contact surface 137.

The hinge 139 is formed in a shape in which a thin plate is formed into a ring shape and both ends thereof are connected to the outer peripheral side surface of the base 131, and is formed integrally with the base 131. At the center of each hinge 139, a fixing portion 141 is provided, and the fixing portion 141 is provided with a hole 143 penetrating vertically. The hole 143 has the circular portion 431 and the circular portion 4
31 and a fixed portion 433 protruding linearly. Further, protruding fixing portions 138 to be inserted into these openings 123 are provided at positions on the lower surface of the surrounding portion 145 facing the four openings 123 of the flexible switch substrate 121, respectively.

FIG. 13 is a view showing the key top 170, FIG. 13 (a) is a side sectional view (cross section taken along line LL in FIG. 13 (b)), and FIG. 13 (b) is a rear view. As shown in the figure, the key top 170 is formed in a disk shape, protrudes a column-shaped central pressing portion 173 from the center of the lower surface of the key top main body 171, and also has a protruding peripheral pressing portion 175 at four equally-spaced locations. And a guide portion (hereinafter, referred to as a “projection portion”) 177 formed of four pieces projecting in a substantially cylindrical shape as a whole at a position surrounding the central pressing portion 173.
An inner peripheral side surface of the lower end side of 77 is configured as an inner peripheral contact surface 179. The lower end of the central pressing portion 173 is located around the peripheral pressing portion 1.
75 is formed slightly lower than the lower end, and the central pressing portion 1
The lower end surface of 73 is formed in a spherical shape. Inner circumference contact surface 1
79 is formed so as to have a radius of curvature substantially the same as the radius of curvature of the outer peripheral contact surface 137 of the connecting member 130. Further, four notches 1 provided between the respective projecting portions 177
The four connecting portions 1 78 are provided in the notches 178.
It is for passing 47. The peripheral pressing portion 175 is provided with a pair of fixing portions 176 and 176 having a lower height than the peripheral pressing portion 175 on both outer peripheral side surfaces, similarly to the fixing portions 74 and 74 of the embodiment.

In order to assemble the switch 101, a key top 170 is first placed on the connecting member 130, and a central pressing portion 173 of the key top 170 is placed.
Is inserted into the insertion portion 133 provided on the base 131, and at the same time, each peripheral pressing portion 175 is inserted into the hole 143, and
Only the portions of the fixing portions 176 and 176 projecting to the opposite side from 3 are crushed by heat caulking, and the fixing of the key top 170 to the connecting member 130 is completed.

Next, as shown in FIG. 9 and FIG.
10 and the surrounding portion 145 of the connecting member 130
Is inserted into each of the openings 123 and 113 of the switch board 110, and the tip of each of the fixing portions 138 is crushed and fixed on the lower surface of the hard plate 111 by heat caulking. The mold switch 101 is completed. At this time, as shown in FIG. 10, the central pressing portion 173 of the key top 170 is in contact with or close to the central reversing plate 125, while the peripheral pressing portions 175 are separated from the surrounding reversing plate 127 by a predetermined distance. It is arranged.

FIG. 14 shows an outer peripheral contact surface 137 provided on the base 131 of the multi-directional pressing switch 101 and a key top 170.
FIG. 10 is an enlarged sectional view of a main part showing a relationship with an inner peripheral contact surface 179 provided in FIG. As shown in the figure, the outer diameter O of the base 131 is formed slightly smaller than the inner diameter P of the protrusion 177.
Further, the outer peripheral contact surface 137 and the inner peripheral contact surface 179 are arranged slightly shifted. Further, as shown in FIG. 10, the outer peripheral contact surface 137 and the inner peripheral contact surface 179 are opposed to each other so as to surround the swing center of the key top 170.

Then, as shown in FIG.
When the center of the upper surface of 70 is pressed in the direction of arrow Q, the entire key top 170 is directly lowered, and the center pressing portion 173 presses the center reversing plate 125 to turn on its switch contact. At this time, as shown in FIG. 16, the outer circumference of the base 131 enters the inside of the protrusion 177, and the base 131 guides the linear movement of the key top 170 linearly. Key top 1
If the pressing on the key 70 is released, the key top 170 is
With the resilience of 25, the switch automatically returns to the original position and the switch contact is turned off.

On the other hand, as shown in FIG.
Is pressed in the direction of arrow R, the hinge 139 is pressed.
Is bent, the left peripheral pressing portion 175 descends, and the reversing plate 127 located thereunder is pressed and reversed, and the switch contact of the reversed reversing plate 127 is turned on. At this time, FIG.
As shown in FIG. 8, the inner peripheral contact surface 179 on the non-pressed side (right side) of the key top 170 slightly rises and moves inward (pressed side).
7 and the inner peripheral contact surface 179 of the key top 170 are in contact with each other, and the key top 170 is rotated while sliding on the outer peripheral contact surface 137, whereby the swinging operation (rotating operation) of the key top 170 is smooth. Can be done. When the pressing on the key top 170 is released, the key top 170 is automatically returned to the original neutral position reliably by the elastic return force of the hinge 139 in addition to the elastic return force of the reversing plate 127.

As described above, this multi-directional push switch 1
According to 01, since the key top 170 is fixed by the connecting member 130 having the hinge 139, the key top 170 can be automatically returned to the original neutral position without fail.

Further, according to the multi-directional pressing switch 101, the key top 170 is swung so that the outer peripheral contact surface 137 provided on the base 131 and the inner peripheral contact surface 179 provided on the key top 170 slide. By swinging together with the hinge 139 while rotating the switch, the opposing switch contact is turned on by the peripheral pressing portion 175 at the lowered position, and the center of the key top 170 is lowered to contact the outer peripheral contact surface 137 of the base 131.
Since the inner contact surface 179 of the key top 170 is inserted thereinto and the central switch contact point 173 of the key top 170 is turned on, the opposite central switch contact is turned on.
Even with the multi-directional pressing switch 101 that performs a pressing operation and a swinging operation with one key top 170, not only can the structure be simplified and the thickness can be reduced, but also the key top 170 can be reduced.
Can perform a smooth swing operation, and a reliable ON / OFF operation of the switch contact can be secured.

Further, according to the present embodiment, the hinge 139
Is projected from the base 131 so as to draw a substantially ring, and the key top 170 is fixed to an intermediate portion thereof. Therefore, the length of the hinge 139 is set to a length sufficient to bend this with a predetermined elastic force. And more preferably. Also, as a structure for fixing the key top 170 to the hinge 139,
Fixed portions 176 and 176 provided directly on the pressing portion 175
Is fixed to the hinge 139, so that it is not necessary to provide a separate heat caulking part in the other part of the hinge 139, and the structure is simplified. Can be achieved.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications are possible within the scope of the claims and the technical idea described in the specification and the drawings. Is possible. Note that any shape, structure, or material not directly described in the specification and drawings is within the scope of the technical idea of the present invention as long as the effects and effects of the present invention are exhibited.

For example, in the above embodiment, both the outer peripheral contact surface of the base portion and the inner peripheral contact surface of the key top are formed in a spherical shape. Oscillating operation can be performed. Needless to say, it is better to make both of them spherical.

The switch contacts need not necessarily be provided on the substrate, but may be provided directly on various members other than the substrate. In short, what is necessary is just to provide the switch contact on the switch contact forming member. The number of switch contacts provided on the switch contact forming member is not limited to the above embodiment.

In the above embodiment, the key top 70 (1
70) is provided on the hinge 39 (1).
39) is opposed to the reversing plate 27 (127), that is, the switch contact, but the present invention is not limited to this embodiment. For example, instead of the key top 70 (170), the hinge 39 (139) is directly connected to the hinge 39 (139). A pressing portion may be provided to face the switch contact. However, key top 70 (17
When the pressing portion 73 (175) is provided in (0), the key top 70 (170) to be pressed is directly connected to the reversing plate 27 (127).
And so on, so that the pressing feeling is improved.

In the above embodiment, the reversing plate is mounted on the switch contact. However, the reversing plate is not necessarily required, and the pressing portion may be directly disposed on the switch contact.

[0045]

As described in detail above, the present invention has the following excellent effects. Since the keytop is fixed by the connecting member having the hinge, the keytop can be automatically returned to the original neutral position without fail.

An outer peripheral contact surface is provided on the outer periphery of the base of the connecting member, and an inner peripheral contact surface is provided on the inner periphery of the key top. The key top is swung together with the hinge while sliding these surfaces. As a result, the structure can be simplified and the thickness can be reduced, and at the same time, the key top can perform a smooth swinging operation and a reliable ON / OFF operation of the switch contact can be secured.

Further, the key top is swung so that the outer peripheral contact surface provided on the base portion and the inner peripheral contact surface provided on the key top are slidably contacted with the hinge while being slidably contacted with each other by the peripheral pressing portion which is lowered. The switch at the center which is turned on by the pressing operation of the key top to lower the key top and insert the inner peripheral contact surface of the key top into the outer peripheral contact surface of the base while being opposed by the central pressing portion of the key top Since the contacts are turned on, even a multi-directional pressing switch that performs a pressing operation and a oscillating operation with one key top can not only have a simple structure and be thin,
Smooth swinging operation of the key top can be performed, and reliable ON / OFF operation of the switch contact can be secured.

In particular, when at least one of the outer peripheral contact surface of the base and the inner peripheral contact surface of the key top is formed in a spherical shape, when one part of the key top is pressed, the other part is pressed. The key top can be raised without lowering, and the key top can be smoothly swung, so that the ON / OFF operation of the switch contact can be ensured.

[Brief description of the drawings]

FIG. 1 is a plan view of a multi-directional pressing switch 1 according to a first embodiment of the present invention.

FIG. 2A is a sectional view taken along the line AA of FIG. 1, and FIG.
FIG. 2 is a sectional view taken along line BB of FIG. 1.

3A and 3B are diagrams illustrating a switch substrate, wherein FIG. 3A is a plan view and FIG. 3B is a side view.

FIGS. 4A and 4B are views showing the connecting member 30. FIG. 4A is a plan view, FIG. 4B is a cross-sectional view taken along line CC of FIG.
FIG. 4C is a sectional view taken along line DD of FIG.

5A and 5B are views showing a key top 70, FIG. 5A is a side cross-sectional view (a cross section taken along the line EE in FIG. 5B), and FIG.
(B) is a back view.

FIG. 6 shows a pressing portion 73 and a fixing portion 74 of a key top 70;
It is a principal part expanded sectional view which shows the fixing structure of the part of 74 to the connection member 30.

FIG. 7 is an explanatory diagram of the operation of the multi-directional pressing switch 1.

FIG. 8 is a diagram illustrating the operation of the multi-directional pressing switch 1.

FIG. 9 is a plan view of a multi-directional pressing switch 101 according to a second embodiment of the present invention.

10A is a sectional view taken along the line HH in FIG. 9, FIG.
(B) is a sectional view taken along the line II of FIG. 9.

11A and 11B are diagrams showing a switch substrate 110, wherein FIG. 11A is a plan view and FIG. 11B is a side view.

FIG. 12 is a view showing a connecting member 130, and FIG.
12A is a plan view, and FIG. 12B is JJ in FIG. 12A.
FIG. 12C is a sectional view taken along line KK of FIG. 12A.

FIG. 13 is a view showing a key top 170, and FIG.
13A is a side sectional view (a cross section taken along line L-L in FIG. 13B), and FIG. 13B is a rear view.

FIG. 14 is an enlarged sectional view of a main part showing a relationship between an outer peripheral contact surface 137 provided on a base 131 of the multi-directional pressing switch 101 and an inner peripheral contact surface 179 provided on the key top 70.

FIG. 15 is an explanatory diagram of the operation of the multi-directional pressing switch 101.

16 shows an outer peripheral contact surface 137 of the connecting member 130 and an inner peripheral contact surface 17 of the key top 170 in the state shown in FIG.
It is a principal part expanded sectional view which shows the state of nine.

FIG. 17 is a diagram illustrating the operation of the multi-directional pressing switch 101.

FIG. 18 shows the outer peripheral contact surface 137 of the connecting member 130 and the inner peripheral contact surface 17 of the key top 170 in the state shown in FIG.
It is a principal part expanded sectional view which shows the state of nine.

[Explanation of symbols]

1 Multi-directional push switch 10. Switch board (switch contact forming member) 11 Hard plate 21 Flexible switch board 25,27 reversing plate 30 connecting members 31 base 35 Locking part 37 Outer contact surface 38 Fixed part 39 Hinge 50 Central Key Top 51 key top body 53 Pressing part 70 key top 73 pressing part 75 Projection (guide) 77 Inner circumference contact surface 101 Multi-directional push switch 110 switch board (switch contact forming member) 111 hard plate 121 Flexible switch board 125,127 reversing plate 130 connecting member 131 base 137 Outer contact surface 139 Hinge 145 enclosure 147 connection 170 key top 171 key top body 173 center pressing part 175 Peripheral pressing part 177 Projecting part (guide part) 179 Inner circumference contact surface

Claims (3)

[Claims] 1. A connecting member having a base and a hinge on the outer periphery of the base, a key top disposed on at least the hinge of the connecting member, and swinging by a swing operation provided on the key top or the hinge. And a switch contact forming member provided with a switch contact at a position facing the pressing portion, wherein a base portion of the connecting member and the key top each have an outer circumferential contact surrounding a pivot center of the key top. By providing the contact surface and the inner peripheral contact surface facing each other, by swinging the key top while sliding the outer peripheral contact surface provided on the base and the inner peripheral contact surface provided on the key top, A multi-directional pressing switch characterized in that an opposing switch contact is turned on by a lowered pressing portion. 2. A switch contact forming member provided with a central switch contact and a peripheral switch contact surrounding the central switch contact, a base located on the central switch contact of the switch contact forming member, and an outer periphery of the base. A center member comprising a connecting member having a hinge, and a key top disposed on the base and the hinge of the connecting member, wherein the key top penetrates the base and presses the central switch contact by a pressing operation. A pressing portion is provided, and a peripheral pressing portion is provided on the key top or hinge to press the surrounding switch contact by a swinging operation, and the base of the connecting member and the key top each have a swing center of the key top. The outer peripheral contact surface and the inner peripheral contact surface that surround each other are provided to face each other, and the key top is swung together with a hinge to form an outer peripheral contact surface provided on the base. A switch contact facing the peripheral pressing portion is turned on by a peripheral pressing portion that has been lowered while sliding the surface and an inner peripheral contact surface provided on the key top, and the key top is lowered by a pressing operation to lower the key contact. A multi-directional pressing switch characterized in that a central pressing portion of a key top turns on a facing central switch contact while inserting a portion of an inner peripheral abutting surface of a key top on an outer peripheral side of an outer peripheral abutting surface of a base. . 3. The multi-directional pressing die according to claim 1, wherein at least one of an outer peripheral contact surface of the base portion and an inner peripheral contact surface of the key top is formed in a spherical shape. switch.