JP2001176358A - Multidirectional operation switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure of a multidirectional operation switch, which can improve operation feeling by preventing back-lashes in the center of a stem and assuring the recovery to a initial position, and which is excellent in easiness of assembly. SOLUTION: This switch comprises a housing 1 which has a housing portion 1a with a bottom, a central fixed contact portion 2 arranged on the inside bottom of the housing portion 1a, plural circumferential fixed contact portions 3 arranged on the circumference of the central fixed contact portion 2, plural movable contact points 4 arranged opposingly to the central fixed contact portion 2 and the circumferential fixed contact portions 3, a stem 5 wit pressurizing protrusions 5c, 5d which can be operated in the pressing direction and inclining direction and which perform changeover of individual contact points of the central fixed contact portion 2 and the circumferential fixed contact portions 3, and a cover 7 which covers the upper face of the housing portion 1a. Between the stem 5 and the movable contact points 4, a driving member 6 is installed to drive the stem 5 to the side of the cover 7 and press the movable contact points 4 to the side of the inside bottom of the housing portion 1a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a multi-directional operation switch, and more particularly to a multi-directional operation switch having a plurality of switch contacts in which the operating direction of a stem can be selectively operated in a pressing direction and a tilting direction. It relates to the structure of an operation switch.

[0002]

2. Description of the Related Art FIGS. 8 and 9 show a structure of a conventional multidirectional operation switch. FIG. 8 is a longitudinal sectional view of the multi-directional operation switch, and FIG. 9 is a longitudinal sectional view showing a state in which the switch is tilted.

[0003] In the figure, a housing 11 is formed in a box shape with an opening at the top by an insulating material such as a synthetic resin, and a center of an inner bottom surface of the housing 11 is made of a conductive metal material. The central fixed contact portion 12 is disposed. Further, a pair of peripheral fixed contact portions 13, 13 also made of a conductive metal material are arranged on both sides opposite to each other with the central fixed contact portion 12 interposed therebetween. Further, the central fixed contact portion 12 and the peripheral fixed contact portion 13
Are a pair of contact pieces 12a, 12b and 13a, 13 respectively.
b.

A movable contact 14 made of a conductive metal plate is provided on the upper surface of the central fixed contact portion 12 and the peripheral fixed contact portion 13, respectively. This movable contact 14
Are formed in a shape in which the center swells.

The sheet member 15 is formed in a sheet shape from a synthetic resin or the like. The sheet member 15 is provided on the upper surface side of the central fixed contact portion 12, the peripheral fixed contact portion 13, the movable contact 14, and the like. It is adhered to the inner bottom of the housing 11 via an adhesive layer. Thus, the movable contact 14 is held and protected by attaching the sheet member 15 to the upper surface side of the contact portion 14.

The stem 16 is formed of an insulating material such as a synthetic resin, and includes a swing portion 16a forming a base portion, and an operation portion 16b located at the center of the swing portion 16a and protruding from an opening of the housing 11. It is composed of A pair of pressing protrusions 16c are provided at both ends on the lower surface side of the swinging portion 16a.
Are formed. The pressing projection 16 c is disposed to face the upper part of the movable contact 14 disposed on the upper surface side of the peripheral fixed contact part 13, and the movable contact 14 is tilted with the stem 16. Is pressed through the sheet member 15, and the contact pieces 13 a and 13 b of the peripheral fixed contact portion 13 are electrically connected to each other through the movable contact 14.

[0007] A pressing projection 16d is formed on the opposite side of the operation section 16b. This pressing projection 16d is
The movable contact 14 disposed on the upper surface side of the central fixed contact portion 12 is in contact with the movable contact 14 via the sheet member 15, and the movable contact 14 is pressed by a pressing (pressing) operation of the operation portion 16 b. , Each of the contact pieces 12a, 1a of the central fixed contact 12 through the movable contact 14.
2b are electrically connected to each other.

The spring member 17 is made of a metal leaf spring.
It is arranged between the stem 16 and a cover 18 described later, and functions as a return spring for returning the stem 16 to an initial state after the stem 16 is tilted. In this case, the spring member 17 performs only the operation of returning during the tilting operation, and the operation of returning the operation portion 16b at the time of pressing operation is performed by the reversing and returning force of the movable contact 14.

The cover 18 is formed of a plate-like metal plate.
A window hole 18a through which the operating portion 16b of the stem 16 is inserted is provided at the center.
By covering the opening on the upper surface side, the protrusion of the stem 16 and the spring member 17 is prevented.

[0010]

However, in the above-described structure of the conventional multi-directional operation switch, the holding of the movable contact 14 in the housing 11 is performed by attaching the sheet member 15 to the upper surface of the movable contact 14. When the sheet member 15 is attached to the inner bottom portion of the housing 11, the adhesive is attached to the side surface of the movable contact 14 at an inclined angle, or the sheet member 15 is erroneously attached. There is a problem that the contact reliability is deteriorated because it adheres to the contact portion.

When the stem 16 is pressed,
Since the return to the initial position is performed only by the inversion return force of the movable contact 14, the stem 16
It is easy for rattling to occur, and in order to prevent this rattling, it is necessary to use two movable contacts 14 in an overlapping manner, so that the number of parts increases and assembly workability deteriorates. There was a problem.

Therefore, the present invention solves the above-mentioned problems, and improves the contact reliability by reliably holding the movable contact in the housing with the structure of the multi-directional operation switch, while improving the contact reliability at the center of the stem. It is an object of the present invention to provide a structure of a multi-directional operation switch with good assemblability, which can prevent rattling and surely return to an initial position to improve operation feeling.

[0013]

According to the present invention, as a first means, a housing having a bottomed storage portion and a center fixed contact portion disposed on the inner bottom surface of the storage portion are provided as first means. A plurality of peripheral fixed contact portions disposed around the central fixed contact portion, the central fixed contact portion, and a plurality of movable contacts disposed opposed to the peripheral fixed contact portion, and a pressing direction. A pressing projection which is operable in a tilting direction and selectively presses the plurality of movable contacts in accordance with the operation direction to switch between the central fixed contact portion and the peripheral fixed contact portion. A stem, and a cover that covers an upper surface of the storage portion with the operating portion of the stem protruding, between the stem and the movable contact, while urging the stem toward the cover, Move the movable contact to the inner bottom surface of the storage section Characterized in that a biasing member for biasing.

As a second means, the urging member is formed of a metal leaf spring, and the urging member has a flat plate-shaped substrate portion for pressing the plurality of movable contacts. A plurality of pressing pieces for pressing the stem are integrally cut and raised.

[0015] Further, as a third means, the substrate portion includes:
An insertion portion formed by a hole or a notch through which the pressing protrusion of the stem that presses the movable contact is inserted is formed.

[0016] As a fourth means, the pressing piece comprises:
The pressing piece and the stem are formed near both ends of the stem near the pressing protrusions formed on both ends of the substrate portion.

Further, as a fifth means, the stem includes:
A first stem that is movable in the tilting direction and is disposed outside only when tilted, and a second stem that is combined with the first stem and that can move the center of the first stem in the pressing direction when pressed. The pressing piece is formed so as to engage with the second stem and press the first and second stems toward the cover.

[0018]

1 to 7 show an embodiment of the present invention. 1 to 3 show the structure of a multi-directional operation switch according to a first embodiment of the present invention. FIG. 1 is a plan view showing a state in which a movable contact and a biasing member are provided in a housing.
FIG. 3 is a longitudinal sectional view of the multi-directional operation switch, and FIG. 3 is a longitudinal sectional view showing a state when the switch is tilted.

In FIGS. 1 to 3, the housing 1 comprises:
It is formed in the shape of a box with a bottom and an open top by an insulating material such as a synthetic resin. The housing 1 is provided with a storage portion 1a, and at the center of the inner bottom surface of the storage portion 1a,
A central fixed contact 2 made of a conductive metal material is provided. Further, a pair of peripheral fixed contact portions 3, 3 also made of a conductive metal material are disposed on both sides facing each other with the central fixed contact 2 interposed therebetween. The central fixed contact portion 2 and the peripheral fixed contact portions 3, 3 are respectively provided with contact pieces 2a, 2b,
And the contact pieces 3a and 3b.

The other end of the central fixed contact portion 2 and the peripheral fixed contact portion 3 protrudes outward from the side surface of the housing 1 and is connected to a circuit board of an electronic device (not shown). Connection terminals 2c, 3c are provided to be connected to the circuit pattern or the like.

A movable contact 4 made of a conductive disk-shaped metal plate is provided on the inner bottom surface of the housing portion 1a. The movable contact 4 is formed in a dome shape with a central bulge. I have. The movable contact 4 is disposed so as to cover the upper surfaces of the central fixed contact portion 2 and the peripheral fixed contact portion 3, and at this time, a peripheral portion 4 a of the movable contact 4 is State in which the contact portion 2 and the one of the peripheral fixed contact portions 3 are always in contact with one of the contact pieces 2a, 3a, and the dome-shaped top 4b is opposed to the other contact pieces 2b, 3b at a constant interval. It has become. In this state, the central fixed contact portion 2 and the peripheral fixed contact portion 3 are off.

The stem 5 is formed of an insulating material such as a synthetic resin. The stem 5 is provided with a swinging part 5 constituting a base.
a and the housing 1 located at the center of the swing portion 5a.
And a rod-shaped operation portion 5b protruding from the opening. A pair of pressing protrusions 5c are formed at both ends on the lower surface side of the swinging portion 5a. This pressing projection 5c is
The pressing projection 5c is disposed at a predetermined interval above the movable contact 4 disposed on the upper surface of the peripheral fixed contact portion 3, and is provided with a tilting operation of the stem 5.
Presses the top 4b of the movable contact 4 so that the movable contact 4 performs a reversing operation, and the respective contact pieces 3a, 3b of the peripheral fixed contact portion 3 via the movable contact 4.
They are made to conduct each other.

On the opposite side of the operation section 5b, a pressing projection 5d projecting from the lower side of the swinging section 5a is formed. The pressing projection 5d is in contact with the top 4b of the movable contact 4 disposed on the upper surface side of the center fixed contact 2 and is pressed (pressed) by the operation unit 5b. 5d presses the top portion 4b of the movable contact 4 so that the movable contact 4 performs a reversing operation and conducts the respective contact pieces 2a and 2b of the central fixed contact portion 2 via the movable contact 4. It has become.

The biasing member 6 is formed of a metal leaf spring having elasticity. The urging member 6 is provided with a plate-shaped substrate portion 6a, and a pair of pressing pieces 6b which are opposed and integrally cut and raised are formed at both ends of the substrate portion 6a. The pressing piece 6b is formed in a substantially U shape,
An elongated hole-shaped insertion portion 6c through which the pressing protrusion 5c of the swinging portion 5a of the stem 5 is inserted is formed at the center. In the center of the substrate portion 6a, there is formed a circular hole-shaped insertion portion 6d through which the pressing protrusion 5d formed on the lower surface side of the operation portion 5b of the stem 5 is inserted. Also,
A holding piece 6e that urges and holds the movable contact 4 toward the inner bottom surface of the housing 1 is formed in a square of the substrate portion 6a.

The urging member 6 is interposed between the movable contact 4 and the stem 5, and is pivoted by a pair of pressing pieces 6b provided on the substrate 6a. Are biased toward the cover 7 described later, so that the stem 5 does not rattle at the center. Further, since the movable contact 4 is urged toward the inner bottom surface side of the housing 1 by the substrate portion 6a and the holding piece 6e provided in a square of the substrate portion 6a, It can be prevented from leaning or jumping out.

A cover 7 formed in a rectangular shape with an insulating material such as a synthetic resin is attached to an upper surface of the housing portion 1a where the housing 1 is opened. 5 is provided with a window hole 7a through which the operation unit 5b and the like are inserted. By covering the opening on the upper surface side of the housing 1 with the cover 7, the stem 5
And the urging member 6 is prevented from jumping out.

Next, the operation of the multidirectional operation switch in the above embodiment will be described. First, at the time of pressing (pressing) the switch, when the operating portion 5b of the stem 5 is vertically pressed by a finger or the like, the stem 5 moves in the vertical direction, and the stem 5 formed on the lower surface side of the operating portion 5b. The pressing protrusion 5d presses the top 4b of the movable contact 4 on the central fixed contact 2. At this time, the movable contact 4 is configured such that the dome-shaped bulged top portion 4b is inverted and comes into contact with the contact piece 2b of the central fixed contact portion 2, so that the contact pieces 2a and 2b are movable with each other. Conduction is performed via the contact 4 and the central fixed contact 2 is turned on. In this case, the pressing projections 5c provided on both ends of the swinging portion 5a of the stem 5 are spaced apart from the movable contact 4 on the peripheral fixed contact portion 3 at a constant interval. , The movable contact 4 is not inverted, and the peripheral fixed contact portions 3, 3 maintain the off state.

When the pressing of the finger is removed from this state, the movable contact 4 returns to the initial state by reversing itself, so that the stem 5 returns to the initial position as the movable contact 4 reverses. And the central fixed contact portion 2 is turned off. At this time, since the stem 5 is urged toward the cover 7 by the urging member 6, the restoring force of the urging member 6 is also added, so that the stem 5 is surely returned. Therefore, rattling of the stem 5 at the center is prevented.

Next, at the time of tilting operation of the switch, as shown in FIG. 3, when the operating portion 5b is tilted laterally with a finger or the like, the swinging portion 5a of the stem 5 tilts laterally.
At this time, the pressing protrusion 5c of the swinging portion 5a in the tilted direction is moved by the movable contact 4 on the peripheral fixed contact portion 3.
Is pressed on the top 4b. The movable contact 4 is configured such that the dome-shaped swollen top 4b is inverted and comes into contact with the contact piece 3b of the peripheral fixed contact portion 3, whereby the contact pieces 3a and 3b are connected to each other by the movable contact. 4 and the peripheral fixed contact portion 3 is turned on. In this case, the operation portion 5b also tilts in the horizontal direction, but the pressing protrusion 5d on the lower surface side of the operation portion 5b does not move in the vertical direction.
The movable contact 4 on the center fixed contact portion 2 is kept off without being pressed.

When the lateral pressing of the finger is removed from this state, both ends of the swinging portion 5a of the stem 5 are covered by the pair of pressing pieces 6b provided on the substrate portion 6a of the urging member 6. 7, the swinging portion 5a returns to the cover 7 side, and the operation portion 5b returns to the initial position. With this, the movable contact 4 is also initialized by reversing itself. Then, the peripheral fixed contact portion 3 is turned off. Note that the operation of tilting in the horizontal direction can be performed in either the left or right direction, and the operation at this time is performed in the same manner as described above, and thus the description is omitted.

In the structure of the multidirectional operation switch of the present invention described above, the urging member 6 made of a resilient metal leaf spring is interposed between the stem 5 and the movable contact 4. Since the stem 5 is urged toward the cover 7 by the urging member 6 and the movable contact 4 is urged toward the inner bottom surface side of the housing portion 1a, one urging member 6 Since the movable contact 4 can be held and the stem 5 can be returned to the initial position, contact reliability can be improved and rattling of the stem 5 can be prevented without increasing the number of parts. A multidirectional operation switch with good characteristics can be obtained.

The urging member 6 is formed of a metal leaf spring. The metal leaf spring is provided with the flat plate-shaped substrate portion 6a for pressing the plurality of movable contacts 4, and the substrate portion 6a A plurality of pressing pieces 6b for pressing the stem 5 formed by integrally cutting and raising, and the insertion portions 6c and 6d for inserting the pressing protrusions 5c and 5d of the stem 5 formed of holes and cutouts. Since it is formed, processing is easy with a simple structure, so that it is possible to cope with low cost.

The pressing pieces 6b are formed at both ends of the substrate portion 6a. The pressing pieces 6b are engaged near the pressing protrusions 5c at both ends of the stem 5, so that the stem 5 At the time of swinging, it is possible to surely return to the initial position.

4 to 7 show the structure of a multi-directional operation switch according to a second embodiment of the present invention. FIG. 4 is a plan view showing a state in which a movable contact and a biasing member are provided in a housing.
Is a longitudinal sectional view of the multi-directional operation switch, FIG. 6 is a longitudinal sectional view showing a state when pressed, and FIG. 7 is a longitudinal sectional view showing a state when tilted. 1 to 3 are denoted by the same reference numerals, and description thereof will be omitted.

In this case, the difference from the first embodiment is that the structure of the stem housed in the housing portion 1a of the housing 1 is slightly different. That is, the structure of the stem of the multi-directional operation switch according to the second embodiment of the present invention is formed of two parts. That is, a second stem having a first stem 8 composed of a swinging part constituting a base and a rod-shaped operating part combined with the center of the first stem 8.
And the stem 9.

The stem is formed of an insulating material such as a synthetic resin. This stem is composed of a first stem 8 constituting a base and a second stem 9 movably engaged with the center of the first stem 8 in a pressing direction. In operation, the first stem 8
And the second stem 9 are formed so as to be able to operate integrally with each other.

The first stem 8 has the second stem at the center.
An insertion hole 8a through which the stem 9 is inserted is formed, and a pair of pressing protrusions 8b, 8b are formed at both ends on the lower surface side. The first stem 8 is attached to the housing 1a of the housing 1 in a state where the pressing projection 8b is in contact with the top 4b of the movable contact 4 disposed on the upper surface of the peripheral fixed contact 3. The movable contact 4 performs a reversing operation when the pressing protrusion 8 b presses the top 4 b of the movable contact 4 in accordance with the tilting operation of the stem 5. The contact pieces 3a and 3b of the peripheral fixed contact portion 3 are electrically connected to each other.

The second stem 9 is inserted into and engaged with the insertion hole 8a of the first stem 8, and a rod-shaped portion protruding from the insertion hole 8a is defined as an operating portion 9a. On the opposite side of the operation portion 9a, a pressing projection 9b projecting from the lower surface side of the first stem 8 is formed. The pressing protrusion 9b is in contact with the top 4b of the movable contact 4 disposed on the upper surface of the center fixed contact 2, and
When the pressing projection 9b presses the top 4b of the movable contact 4 by the pressing (pressing) operation of the operation unit 9a, the movable contact 4 performs a reversing operation, and the movable contact 4
Through the contact pieces 2a, 2b of the central fixed contact portion 2
They are made to conduct each other. At this time, since the second stem 9 slides in the insertion hole 8a of the first stem 8 and moves in the pressing direction, the movement of the first stem 8 is not performed. ing.

The urging member 6 is connected to the substrate 6a.
Are slightly different from each other in the configuration of a pair of pressing pieces integrally cut and raised facing both ends. That is, the pressing piece 6f is formed in a rectangular shape that is held in one side, and is cut and raised at a fixed angle from both end sides of the substrate portion 6a toward the center.
The free ends are provided in a zigzag manner at positions facing each other with the round hole-shaped insertion portion 6d provided at the center of the substrate portion 6a interposed therebetween. Further, between the holding pieces 6e on the same side of the holding pieces 6e formed in the left and right squares of the substrate part 6a, a U-shaped notch part which is notched largely is formed, and this notch part is formed. An insertion portion 6g through which the pressing projection 8b of the first stem 8 is inserted.

The urging member 6 is interposed between the movable contact 4 and the first and second stems 8 and 9, and is provided with a pair of pressing pieces 6f provided on the substrate 6a. Since it is in contact with the lower surface of the second stem 9 and is urged together with the first stem 8 toward the cover 7,
The first and second stems 8, 9 do not rattle at the center. Further, since the movable contact 4 is urged toward the inner bottom surface side of the housing 1 by the substrate portion 6a and the holding piece 6e provided in a square of the substrate portion 6a, It can be prevented from leaning or jumping out.

Next, the operation of the multi-directional operation switch in the above embodiment will be described. First, at the time of pressing (pressing) the switch, when the second stem 9 is vertically pressed with a finger or the like as shown in FIG. 6, the second stem 9 is inserted into the insertion hole 8a of the first stem 8. And the pressing projection 9b formed on the lower surface side of the operation section 9a presses the top 4b of the movable contact 4 on the central fixed contact 2. At this time, the movable contact 4 is configured such that the dome-shaped bulged top portion 4b is inverted and comes into contact with the contact piece 2b of the central fixed contact portion 2, so that the contact pieces 2a and 2b are movable with each other. Conduction is performed via the contact 4 and the central fixed contact 2 is turned on. In this case, since the first stem 8 does not follow the operation of the second stem 9 and does not operate, the peripheral fixed contact portions 3, 3 maintain the off state.

When the pressing of the finger is removed from this state, the movable contact 4 returns to the initial state by reversing itself, so that the second stem 9 moves to the initial position with the reversal of the movable contact 4. Then, the center fixed contact portion 2 is turned off. At this time, since the second stem 9 is urged toward the cover 7 by the urging member 6, the return of the second stem 9 is ensured, and the The rattling of the second stem 9 is prevented.

Next, when the switch is tilted, the second stem 9 is tilted laterally with a finger or the like as shown in FIG.
To tilt in the horizontal direction. At this time, the pressing projection 8b of the first stem 8 in the tilted direction presses the top 4b of the movable contact 4 on the peripheral fixed contact 3. The movable contact 4 is configured such that the dome-shaped swollen top 4b is inverted and comes into contact with the contact piece 3b of the peripheral fixed contact portion 3, whereby the contact pieces 3a and 3b are connected to each other by the movable contact. 4 and the peripheral fixed contact portion 3 is turned on. In this case, the second stem 9 also tilts in the horizontal direction, but the pressing protrusion 9 of the second stem 9 is formed.
Since b does not move in the vertical direction, the central fixed contact portion 2 is maintained in the off state without being pressed.

In this state, when the lateral pressing of the finger is removed, the lower surface of the second stem 9 is moved toward the cover 7 by the pair of pressing pieces 6f provided on the substrate 6a of the urging member 6. The first stem 8 follows the second stem 9 so that the cover 7
Then, the operation section 9a returns to the initial position, and accordingly, the movable contact 4 also returns to the initial state by reversing itself, and the peripheral fixed contact section 3 is turned off.
Note that the operation of tilting in the horizontal direction can be performed in either the left or right direction, and the operation at this time is performed in the same manner as described above, and thus the description is omitted.

Also in the above-described embodiment of the present invention, the biasing member 6 made of an elastic metal leaf spring is interposed between the first and second stems 8 and 9 and the movable contact 4. The first and second stems 8 and 9 are urged toward the cover 7 by the urging member 6, and the movable contact 4 is urged toward the inner bottom surface of the housing portion 1a. Thus, since the single urging member 6 can hold the movable contact 4 and return the first and second stems 8 and 9 to the initial positions, the contact can be performed without increasing the number of parts. It is possible to improve reliability and prevent rattling of the first and second stems 8 and 9 and obtain a low-cost, multi-directional operation switch with good assembling workability.

The urging member 6 is formed of a metal leaf spring. The metal leaf spring is provided with the flat plate-shaped substrate portion 6a for pressing the plurality of movable contacts 4, and the substrate portion 6a The first, which is integrally cut and raised,
A plurality of pressing pieces 6f for pressing the second stems 8, 9
And the first and second stems 8 each having a hole or a notch,
9 through which the pressing projections 8b, 9b are inserted.
Since d is formed, processing is easy with a simple structure, so that it is possible to cope with low cost.

The first stem 8 which is movable outward in the tilting direction only when the stem 8 is tilted is disposed outside.
And the second stem, which is combined with the first stem 8 and can move the center of the first stem 8 in the pressing direction when pressed.
And the pressing piece 6f of the urging member 6 is engaged with the lower surface side of the second stem 8 to move the first and second stems 8 and 9 to the cover 7 side. , The first and second stems 8,
9 can be reliably returned to the initial position, and rattling of the second stem 9 at the center can be prevented.

In the above embodiment, the peripheral fixed contact portion 3 is provided in two directions, ie, left and right. However, the present invention is not limited to this. Of course, the present invention can be applied to multi-directional operation switches provided in four directions, left, right, up, and eight directions.

[0049]

As described above, in the structure of the multi-directional operation switch of the present invention, an urging member made of a metal leaf spring having elasticity is interposed between the stem and the movable contact. The stem is urged to the cover side and the movable contact is urged to the inner bottom surface side of the housing, so that one urging member holds the movable contact and moves the stem to the initial position. , The contact reliability can be improved without increasing the number of parts, and the backlash of the stem can be prevented, and a multi-directional operation switch that is inexpensive and has good assembling workability can be provided.

The biasing member is made of a metal leaf spring.
The biasing member has a flat plate-shaped substrate portion for pressing a plurality of movable contacts, and a plurality of pressing pieces for pressing the stem are integrally cut and raised on the substrate portion, so that the structure has a simple structure. Since processing is easy, low-cost support is possible.

Further, since an insertion portion consisting of a hole or a cutout through which the pressing projection of the stem for pressing the movable contact is inserted is formed in the substrate portion, it is easy to process with a simple structure.
Further, low-cost support is possible.

Further, since the pressing pieces are formed at both ends of the substrate portion and the pressing pieces and the stem are engaged in the vicinity of the pressing projections at both ends of the stem, the pressing piece returns to the initial position when the stem swings. Can be performed reliably.

The first stem, which can be moved in the tilting direction only at the time of tilting, is disposed outside,
And a second stem which is movable in the pressing direction at the center of the first stem when pressed, wherein the pressing piece is engaged with the second stem, and the first and second stems are engaged. Is formed so as to be pressed toward the cover side, so that the stem can be securely returned to the initial position, and the second
The rattling of the stem can be prevented.

[Brief description of the drawings]

FIG. 1 is a plan view showing a state in which a movable contact and an urging member are arranged on a housing of a multidirectional operation switch according to a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing the same multi-directional operation switch of the present invention.

FIG. 3 is a longitudinal sectional view showing a state where the multidirectional switch of the present invention is tilted.

FIG. 4 is a plan view showing a state in which a movable contact and an urging member are provided in a housing of a multi-directional operation switch according to a second embodiment of the present invention.

FIG. 5 is a longitudinal sectional view showing the same multi-directional operation switch of the present invention.

FIG. 6 is a longitudinal sectional view showing a state when the multidirectional operation switch of the present invention is pressed.

FIG. 7 is a longitudinal sectional view showing a state where the multidirectional operation switch of the present invention is tilted.

FIG. 8 is a longitudinal sectional view showing a conventional multidirectional operation switch.

FIG. 9 is a longitudinal sectional view showing a state where a conventional multidirectional operation switch is tilted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 1a Storage part 2 Central fixed contact part 2a, 2b Contact piece 2c Connection terminal 3 Peripheral fixed contact part 3a, 3b Contact piece 3c Connection terminal 4 Movable contact 4a Peripheral part 4b Top part 5 Stem 5a Swing part 5b Operating part 5c 5d pressing projection 6 urging member 6a substrate 6b, 6f pressing piece 6c, 6d, 6g insertion section 6e holding piece 7 cover 7a window hole 8 first stem 8a insertion hole 8b pressing projection 9 second stem 9a operation Part 9b pressing projection

Claims (5)

[Claims] 1. A housing having a bottomed storage portion, a central fixed contact portion disposed on an inner bottom surface of the storage portion, and a plurality of peripheral fixed contact portions disposed around the central fixed contact portion. And a plurality of movable contacts disposed opposite to the central fixed contact portion and the peripheral fixed contact portion, and can be operated in a pressing direction and a tilting direction, and the plurality of movable contacts can be operated in accordance with the operation direction. A stem having a pressing projection for selectively switching the respective contacts of the central fixed contact portion and the peripheral fixed contact portion, and covering an upper surface of the housing portion with the operating portion of the stem protruding; A cover, and between the stem and the movable contact, an urging member that urges the stem toward the cover and urges the movable contact toward the inner bottom surface side of the storage unit is provided. A multi-directional operation switch, characterized in that: 2. The urging member comprises a metal leaf spring.
The biasing member has a flat plate-shaped substrate portion for pressing the plurality of movable contacts, and is formed by integrally cutting and raising a plurality of pressing pieces for pressing the stem on the substrate portion. The multidirectional operation switch according to claim 1. 3. The multi-directional device according to claim 2, wherein an insertion portion formed by a hole or a cutout through which the pressing protrusion of the stem for pressing the movable contact is inserted is formed in the substrate portion. Operation switch. 4. The device according to claim 2, wherein the pressing pieces are formed on both ends of the substrate portion, and the pressing pieces and the stem are engaged in the vicinity of pressing protrusions on both ends of the stem. Or the multidirectional operation switch according to 3. 5. A first stem which is movable outside in a tilting direction only when tilted and which is disposed on an outer side, wherein the first stem is provided with a first stem.
And a second stem that can move in the pressing direction at the center of the first stem when pressed,
4. The multidirectional operation according to claim 2, wherein the pressing piece is formed so as to engage with the second stem and press the first and second stems toward the cover. switch.