JPH06302252A - Lever switch - Google Patents

Abstract

PURPOSE:To simplify the assembly work so as to improve the workability, and to realize a low cost as well as a small size of the whole body. CONSTITUTION:A printed board 10 is fitted and held to the holding projection 31 of a center block 30, and clic piece 51 and a pressing spring 52 are placed between the center block 30 and a lever 40 so as to integrate the whole body. Under such a condition, both tilting shafts 44 of a pivot 42 are guided and inserted to both guide holes 64a of a housing 61, while a locking recess 31a of the locking piece 31 is guided and fitted to the holder 66 of the housing 61.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lever switch, and more particularly to a multi-directional lever switch suitable as a control switch for an automobile constant speed traveling device.

[0002]

2. Description of the Related Art Generally, a lever switch of this type is arranged near a turn signal switch or the like of a column cover of a steering wheel, and its base end is embedded inside the column cover to improve the design effect. , The lever is exposed to the outside for operation. In this lever switch, for example, the lever is attached to the case, and the click mechanism allows the lever to be operated in a predetermined direction such as front, rear, left, and right depending on various functions of constant speed traveling (set, cancel, etc.). So that it can be tilted. In addition, a movable contact is provided on the lever,
A printed circuit board is arranged on the case side, and fixed contacts are fixed to the printed circuit board by soldering.

Conventionally, the assembly work of this lever switch has been
The components in the case such as the printed circuit board and the click mechanism are housed in the case one by one and assembled.

[0004]

The conventional lever switch is constructed as described above, and the assembly work is carried out by accommodating the components in the case, such as the printed circuit board and the click mechanism, one by one in the case and assembling them. Therefore, the work of assembling various components in a narrow space in the case is troublesome and complicated, and there is a point to be improved in workability.
Further, in recent years, there has been an increasing demand for downsizing and cost reduction of the lever switch, and in such an assembling method, it is necessary to secure a certain space or more to enable the assembling work in the case. There is a limit to downsizing, and there are still problems in terms of cost.

Therefore, an object of the present invention is to provide a lever switch which simplifies the assembling work, improves the workability, makes the whole compact, and reduces the cost.

[0006]

A lever switch according to the present invention includes a circuit board having a fitting hole, and the circuit board in a state of being fitted into the fitting hole of the circuit board and protruding from the circuit board. A center block having a holding projection on one end side for holding the lever, a lever that is disposed separately from the other end side of the center block and extends in the longitudinal direction, and a pair of tilt shafts projectingly formed on both sides in the width direction; Energizing means interposed between the block and the lever for urging the center block and the lever in directions away from each other, a fixed contact arranged on the circuit board side, and a lever on the lever side. One end side of the movable contact, which is disposed and electrically connected to the fixed contact by the tilting operation of the lever, and a support portion that abuts and supports the other end surface of the holding projection of the center block. From the first position where the lever is provided and the lever is brought closer to the center block against the biasing force of the biasing means, the lever is pushed from the center block to the first position by the biasing force of the biasing means. And a case provided with guide means on the other end side for inserting and guiding the both tilting shafts of the lever to a second position further apart.

[0007]

According to the present invention, the circuit board is held by the holding projection of the center block, and the whole of the center block and the lever are integrated by interposing the biasing means between the center block and the lever. When the other end surface is brought into contact with the supporting portion of the case and guided, and at the same time, both tilting shafts of the lever are inserted into and guided by the two guiding means of the case to move from the first position to the second position, they are integrated. All of these parts are housed together in the case.

[0008]

EXAMPLES Examples of the present invention will be described below.

FIG. 1 is an exploded perspective view showing the entire lever switch of one embodiment of the present invention, FIG. 2 is a side view of the lever switch of one embodiment of the present invention, and FIG. 3 is a sectional view taken along line AA of FIG. Figure,
4 is a plan view of a lever switch according to an embodiment of the present invention, and FIG. 5 is a sectional view taken along line BB of FIG. FIG. 6 shows a center block of a lever switch according to an embodiment of the present invention,
(A) is a side view, (b) is a front view, (c) is C of (a).
It is a -C line sectional view. FIG. 7 is a plan view showing the circuit side of the printed circuit board of the lever switch according to the embodiment of the present invention.
8A and 8B show a contact receiver of a lever switch according to an embodiment of the present invention, FIG. 8A is a side view, FIG. 8B is a side view showing a mounting state on a printed circuit board, and FIG. 8C is a D direction of FIG. It is the front view seen from. 9A and 9B show a base end portion of a lever of a lever switch according to an embodiment of the present invention. FIG. 9A is a front view and FIG. 9B is a sectional view. FIG. 10 is a plan view showing a contact ring of a lever switch according to an embodiment of the present invention. FIG. 11 shows a case and a case cover of a lever switch according to an embodiment of the present invention, (a) is a plan view of the case,
(B) is a bottom view of the case cover. FIG. 12 is a circuit diagram of a lever switch according to an embodiment of the present invention.

As shown in FIGS. 1 and 7, a rectangular fitting hole 11 is formed in the printed circuit board 10 constituting the circuit board at the approximate center thereof, and the holding piece 1 is provided at the upper end thereof at the approximate center thereof.
2 and a holding piece 13 is formed in a stepped shape on the right side of the lower end. The rear surface (left side surface in FIG. 1) of the printed circuit board 10 has resistors R each having a predetermined resistance value.
And a conductor pattern P for electrically connecting them to the terminal T
(Electrical circuit) is arranged by printing or the like. A pair of elongated holes 14a, 14b, 14c, 14d, 14e, 14f extending substantially in the radial direction of the printed circuit board 10 are formed at predetermined positions in the upper part, left part and right part of the printed circuit board 10 in total. ing. Further, a pair of round holes 15a, 15b, 15c, 1 connected to the conductor patterns P are provided at positions different from the longitudinal extension lines of the long holes 14a to 14f.
5d, 15e, and 15f are formed so as to make a pair with each of the long holes 14a to 14f.

Each pair of long holes 14a-1 of the printed circuit board 10
Contact receivers 20a to 20f as fixed contacts are attached to the 4f and the round holes 15a to 15f, respectively. That is, the contact receiver 20 on the left side is provided in the pair of left side long hole 14a and round hole 15a, and the long hole 14b and round hole 15b.
a and 20b are the right pair of long holes 14c and round holes 15c, the long holes 14d and round holes 15d are the left contact receivers 20c and 20d, and the upper pair of long holes 14e and the round holes 1 are.
Left contact receivers 20e and 20f are attached to 5e, the long hole 14f, and the round hole 15f, respectively.

As shown in FIG. 8, each of the contact receivers 20a to 20f has a substantially U-shaped clip shape in which the center is bent, and both ends thereof have the long holes 1 of each pair.
4a to 14f and round holes 15a to 15f are bent in a substantially Z-crank shape so as to be separated from each other according to the positional relationship. Moreover, the contact receiver 20a-
One end side of 20f has an oblique shape, and the long holes 14a to 14
The circular hole 1 is inserted into the circular hole 1a and is movable along the elongated holes 14a to 14f, and the other end is linear.
The printed circuit board 1 is inserted through 5a to 15f and soldered.
It is fixed to 0 and is electrically connected to each conductor pattern P. Adjacent contact receivers 20a, 20b,
The contact receivers 20c and 20d and the contact receivers 20e and 20f form a pair, and by electrically connecting the contact receivers 20a to 20f of each pair, a predetermined circuit shown in FIG. 12 is formed. There is. In this embodiment, for example, the pair of contact receivers 20a and 20b on the left side are set / set by SET / COAST.
As a contact for the right pair of contact receivers 20
c and 20d as contacts for CANCEL, and the upper pair of contact receivers 20e and 20f as RESUME / A
It is assigned as a contact for CCELE, and a signal corresponding to a predetermined resistance R of the printed circuit board 10 is output.

On the other hand, the center block 30 has a substantially cylindrical shape with a bottom, the front end of which is open, and has a housing space formed therein. A holding projection 31 having the same outer shape as the fitting hole 11 of the printed circuit board 10 is integrally formed on the rear surface of the center block 30 so as to project therefrom.
When the holding projection 31 is projected from the printed board 10, the printed board 1 is fitted into the fitting hole 11 of 0.
It is designed to hold 0. As shown in FIG. 6C, a locking recess 31 a extending in the up-down direction is formed on the rear surface of the holding projection 31. Also, the center block 30
A pair of left and right flat plate-shaped support pieces 32 are integrally formed on the upper part of the peripheral surface of the plate, and a cubic support piece 33 is integrally formed on the lower part of the peripheral surface. A pair of holding grooves 34a, 34b, 34c, 34d, 34e extending in the front-rear direction are provided at a total of three locations on the peripheral surface of the center block 30 between the support pieces 32 and between the support pieces 32 and 33. 34f is formed, and the contact receiver 20a is attached to the printed circuit board 10 while holding the printed circuit board 10.
A restricting portion that holds and holds the entire linear portion that is the fixing side of 20 f is configured.

On the front end side of the center block 30,
The levers 40 are spaced apart and extend in the longitudinal direction. As shown in FIGS. 2 to 5, the front side of the lever 40 is the operation portion 4
1 and the center block 3 at the rear end
A pivotally attached portion 42 having a diameter larger than 0 and having a substantially hemispherical cylindrical shape is integrally formed. Further, as shown in FIG. 9, an engaging concave portion 42a having a rectangular shape in a plane is formed at the top of the inner surface of the pivotally attaching portion 42 for click operation. A pair of upper and lower tilting shafts 43 and a pair of left and right tilting shafts 44 are integrally formed on the outer surface of the rear end peripheral portion of the pivotally mounted portion 42 so as to project outward. On the other hand, the pivot 42
Except for the lower part, a mounting recess 42b having a circular cross section with a predetermined angle is circumferentially provided on the inner surface of the rear end peripheral portion, and a pair of mounting holes 42c is drilled at both ends of the mounting recess 42b. ing.

Then, as shown in FIG. 10, while forming an arc shape having a predetermined angle corresponding to the mounting recess 42b,
A contact ring 45, which is a movable contact whose both ends are bent outwardly corresponding to the mounting hole 42c, has flexibility and is elastically tightly fitted into the mounting recess 42b of the pivotally mounting portion 42. The bent portions at both ends are housed in the mounting hole 42c to prevent separation. The contact ring 45
The angle of the arc is set so as to cover the entire range of the total of three contact receivers 20a to 20f attached to the printed circuit board 10. Further, between the operation portion 41 of the lever 40 and the pivotal attachment portion 42, a tilting portion 46 having a substantially square flange shape is integrally formed by projecting vertically and horizontally.
The upper part, the left part, and the right part of the front surface of the are respectively inclined taper surfaces 46a, 46b, and 46c that contract outward.

The center block 30 and the lever 4
Between 0 and 0, a click piece 51 and a pressing spring 52 that constitute a click mechanism are interposed so as to perform a click operation that gives a predetermined operation feeling to the user when operating the lever 40. The click piece 51 has a semi-spherical front end and a substantially cylindrical shape in which a rear end is opened to form an accommodation space inside, and the pressing spring 52 is accommodated in the accommodation space inside. The click piece 51 has a smaller diameter than the accommodating space of the center block 30 and is accommodated in the accommodating space of the center block 30 in a state of accommodating the pressing spring 52, so that the hemispherical portion at the front end is exposed. There is. Further, the pressing spring 52 constitutes an urging means for urging the center block 30 and the lever 40 in a direction in which they are separated from each other via the click piece 51.
The front end of the click piece 51 has a pressure spring 5
The pressing force of 2 pushes the lever 40 toward the top of the pivot portion 42 so that the lever 40 is partially accommodated in the engagement recess 42 a of the pivot portion 42.

The case 60 has a substantially rectangular box-shaped accommodating portion 61 whose upper and front portions are opened, and a case cover 62 having a substantially L-shaped cross section which covers the upper and front portions of the accommodating portion 61.
On the front side of the accommodating portion 61 and the case cover 62, quadrispherical recesses corresponding to the lower portion and the upper portion of the hemispherical pivotally attaching portion 42 of the lever 40 are formed, respectively, and the case cover 62 is attached to the accommodating portion 61. In this state, the both hemispherical concave portions form a hemispherical concave pivoting surface 63 that cooperates to slidably support the pivoting portion 42. A circular hole 63 a having a diameter corresponding to the diameter of the base end portion of the pivotal mounting portion 41 is formed on the front surfaces of the housing portion 61 and the case cover 62 with the case cover 62 attached to the housing portion 61.

The left and right side walls 64 of the accommodating portion 61 are
A pair of left and right substantially L-shaped guide grooves 64a which are continuous from the upper end thereof to the front of the rear end of the pivot surface 63 are provided.
The horizontal portion of each guide groove 64a penetrates the side wall 64. On the other hand, at the center position of the bottom wall of the housing portion 61 and the upper portion of the case cover 62, a pair of upper and lower pivoting grooves 61a, 62 extending in the front-rear direction and having a length substantially the same as the horizontal portion of the guide groove 64a.
a is provided. Then, the pair of left and right tilting shafts 44 of the lever 40 are respectively inserted into the guide grooves 64a of the side wall 64 from above and are inserted into the horizontal portions thereof, and the case cover 62 is attached to the accommodating portion 60, so that the pair of upper and lower levers 40 is attached. In a state where the tilt shaft 43 is inserted into the pivotal groove 61a of the bottom wall of the housing portion 61 and the pivotal groove 62a of the case cover 62, the pivotal portion 42 slides on the pivotal surface 63 in any circumferential direction. While being movably supported, as shown in FIG. 4, the left and right tilting shafts 4 are supported with the left and right tilting surfaces 46b and 46c of the tilting portion 46 as fulcrums.
Lever 40 is tilted in the left-right direction via 4, or
As shown in FIG. 2, the lever 40 is tilted upward with the upper and lower tilting surfaces 46a of the tilting portion 46 as a fulcrum via the upper and lower tilting shafts 43. That is, in the lever switch of this embodiment, the lever 40 can be tilted in three directions, that is, the upper direction and the left and right directions.

A support projection 65 is provided in the center of the front and rear of the housing 61.
Are formed integrally with each other. The support protrusion 65 is provided with a support recessed portion 65a at the center rear portion in the longitudinal direction thereof for tightly fitting and supporting the lower support piece 33 of the center block 30, and at the center front portion thereof, the lower support piece of the center block 30. 33 is provided with a support surface 65b having a substantially semicircular concave shape that abuts and supports the lower portion of the peripheral surface continuous with 33. Further, in the center of the inner surface of the rear end of the housing portion 61, the lower side is wide and the upper side is narrow,
A support portion 66 having a pair of left and right shoulder portions is integrally formed at approximately the center in the height direction. The narrow portion on the upper side of the support portion 66 has the locking recess 3 of the holding projection 31 of the center block 30.
1a is fitted and supported to constitute a support means for restricting the rearward movement of the center block 30, and the support portion 6
Both shoulders of 6 contact and support the lower surface of the holding projection 31. A pair of left and right long grooves 61b having substantially the same width as the thickness of the printed circuit board 10 is formed in the bottom wall between the support portion 66 and the support protrusions 65, and each side wall 64 is vertically continuous with the long groove 61b. A pair of guide grooves 64b extending in the vertical direction are formed. On the other hand, the pivot groove 62 of the case cover 62
A support protrusion 67 that abuts and supports both upper support pieces 32 of the center block 30 is integrally formed on the rear side of a, and the upper side of the printed circuit board 10 is formed on the rear center of the support protrusion 67 in the left-right direction. Groove 62b for fitting and supporting the holding piece 12 of
Has been drilled.

While the printed board 10 is held by the holding projection 31 of the center block 30, the left and right edges of the printed board 10 are guided to the guide groove 64b at the rear side of the accommodating portion 61.
When it is inserted into the holding projection 31 from above,
1a is fitted and locked in the narrow portion of the support portion 66 at the rear end of the housing portion 61, and the support piece 33 on the lower side of the center block 30.
Is supported by the support recess 65a on the rear side of the support protrusion 65, and the lower peripheral surface thereof is supported by the support surface 65b on the front side.
It is adapted to be fitted and held in the long groove 61c on the right side of 1 (lower side in FIG. 11). Also, in this state, the case cover 6
When 2 is attached, both upper support pieces 32 of the center block 30 are brought into contact with and supported by the support projections 67 of the case cover 62, and the upper holding pieces 12 of the printed circuit board 10 are fitted and supported in the support grooves 62b. It has become so.

The case cover 62 is attached to the case 60 via screws 71.

The case 60 has a flange-shaped mounting piece 72.
Is extended rearward from the upper end of the accommodating portion 61 and can be assembled to a mounting portion 81 in the column cover of the steering wheel via a screw or the like. A guide recess 72a is formed on one side of the mounting piece 72 (left side in the illustrated example) to accommodate the harness 73a of the connector housing 73 electrically connected to the printed circuit board 10. There is.

As a result, as shown in the circuit diagram of FIG. 12, by tilting the operating portion 41 of the lever 40 in the upward or leftward or rightward direction, the contact ring 45 in the pivot portion 42 is moved upward or leftward or rightward. The contact receivers 20a to 20f of either pair are electrically connected and short-circuited to output a signal corresponding to the resistance value, and a constant speed traveling operation is performed according to the signal.

Next, the assembling work of the lever switch of the present embodiment constructed as described above will be explained.

First, the contact receivers 20a to 20f
The printed board 10 to which is attached is held by the holding projection 31 of the center block 30 through the fitting hole 11, and the click piece 51 in which the pressing spring 52 is housed is housed in the housing space of the center block 30. On the other hand, the contact ring 45 is mounted in the mounting recess 42b of the pivotally mounting portion 42 of the lever 40 in a state of being bent by elastic deformation so as to reduce the space on the open side thereof, and the bent portions at both ends thereof are mounted in the mounting hole 4a.
Insert in 2c. Then, the front end portion of the click piece 51 is inserted into the pivot portion 42 of the lever 40, and the tip end thereof is brought into contact with the engaging recess 42a at the top of the pivot portion 42, so that the center block 30 and the lever 40 are separated from each other. The pressing spring 52 is contracted by being pressed so as to approach each other, and the pressing spring 52 is inserted into the housing portion 61 of the case 60 from above in an integrated state.

That is, first, the left and right side edges of the printed circuit board 10 are fitted into the guide grooves 64b on the rear side of the side wall 64 of the accommodating portion 61 from above and guided downward, and the holding projections of the center block 30 are also provided. The rear end surface of 31 is slid downward while being in contact with the rear end of the housing portion 61. At the same time,
The left and right tilting shafts 44 of the lever 40 are attached to the side wall 6 of the accommodation portion 61.
4 is inserted into the guide groove 64a on the front side from above and is moved downward as the printed circuit board 10, the center block 30 and the like are moved downward, the tilting shafts 44 on the left and right are horizontal parts of the guide groove 64a on the front side. When it is positioned at, the lever 40 is pressed forward by the pressing force of the pressing spring 52, and the left and right tilting shafts 44 are positioned at the front side of the horizontal portion of the guide groove 64a. At this time, the tilting shaft 43 on the lower side of the pivot portion 42 is
Is inserted into the pivotal groove 61 a of the accommodation portion 61. As a result, the left and right tilting shafts 44 are prevented from moving upward by the upper edge of the horizontal portion of the guide groove 64a, so that the pivotal attachment portion 4 of the lever 40 is prevented.
2 is a predetermined position in the accommodation portion 61 of the case 60 (pivot surface 63
It is stably held by a part) and is restricted from moving in the front-back and left-right directions.

At this time, the support piece 33 on the lower side of the center block 30 is supported by the support recess 65a of the support projection 65 of the accommodating portion 61 and the lower peripheral surface thereof is supported by the support surface 65b. Movement to the left and right and to the front is restricted. On the other hand, the locking concave portion 31 a of the holding projection 31 of the center block 30 has the support portion 66 at the rear end of the accommodation portion 61.
The center block 30 is restrained from moving leftward and rightward and backward. As a result, the center block 30 is held immovably at a predetermined position in the accommodation portion 61.

The printed circuit board 10 has a lower holding piece 1
3 is held in the long groove 61c of the accommodating portion 61 and both side edges are held in the rear guide groove 64b. Further, the printed board 10 is held by the holding projection 31 of the center block 30, while the holding projection 31 projects from the printed board 10 and abuts and is supported by the support portion 66 of the housing portion 61. The pressing force of is applied to the holding projection 31 of the center block 30 and is not applied to the printed circuit board 10.

As described above, the various components such as the printed circuit board 10, the center block 30, the lever 40, the click piece 51 and the pressing spring 52 of the lever switch of the present embodiment are integrated into the case 60. It is accommodated in the case 60 all at once in the accommodation part 61.

After the various components are housed in the housing portion 61 of the case 60, the case cover 62 is screwed into the housing portion 61 with screws 71.
Install by. Then, the pivotal groove 6 of the case cover 62
The tilting shaft 43 on the upper side of the pivotal mounting portion 42 of the lever 40 is inserted into 2a, and the holding piece 12 on the upper side of the printed circuit board 10 is inserted into the supporting groove 62b. This allows lever 4
0 can be tilted in the left-right direction via the left and right tilting shafts 44 of the pivoting portion 42 and the left and right tilting surfaces 46b and 46c of the tilting portion 46, and the tilting shaft 4 above and below the pivoting portion 42 can be operated.
3 and the tilting surface 46a on the upper side of the tilting portion 46 enable tilting operation upward. In addition, the tip spherical surface of the click piece 51 is fixed by the pressing spring 52 to the pivot portion 42 of the lever 40.
Since it is in contact with the peripheral edge of the engagement recess 42a at the top of the inner surface with a predetermined pressing force, a click operation is performed between them in accordance with the tilting operation of the lever 40, and a predetermined operation feeling is given to the user.

In the lever switch of the present embodiment assembled as described above, when the lever 40 is tilted to the left, the left side of the contact ring 45 in the pivotally connecting part 42 is located on the left side of the printed circuit board 10. Contact receiver 2
0 / 20b is short-circuited, and SET / COA shown in FIG. 12 is set.
The ST contact is closed, and control signals corresponding to the middle resistance R and the lower resistance R are output. Also, the lever 40
When the tilting operation is performed to the right, the right side portion of the contact ring 45 in the pivotally connecting portion 42 short-circuits between the pair of contact receivers 20c and 20d located on the right side of the printed circuit board 10,
The CANCEL contact shown in FIG. 12 is closed, and control signals corresponding to the upper resistance R, the middle resistance R, and the lower resistance R are output. Then, when the lever 40 is tilted upward, the upper portion of the contact ring 45 in the pivotal portion 42 short-circuits between the pair of contact receivers 20e and 20f located on the upper side of the printed circuit board 10, and R shown in FIG.
The contact for ESUME / ACCELE is closed, and the control signal corresponding to the resistor R in the lower stage is output.

As described above, the lever switch according to the above-described embodiment is provided with the printed circuit board 10 having the fitting hole 11 and the printed circuit board 10 fitted in the fitting hole 11 and protruding from the printed circuit board 10. A center block 30 having a holding projection 31 on the rear end side for holding the printed circuit board 10 and a front end side of the center block 30 spaced apart from each other and extending in the longitudinal direction. Lever 40 having a tilting shaft 44 formed in a protruding manner
And a pressing spring 52 which is interposed between the center block 30 and the lever 40 and biases the center block 30 and the lever 40 in directions away from each other.
A click piece 51 for accommodating a pressing spring 52, contact receivers 20a to 20f attached to the printed circuit board 10, and a pivotal mounting portion 42 of the lever 40. The contact receiver is tilted by operating the lever 40. A contact ring 45 electrically connected to 20a to 20f and a support portion 66 for fitting and supporting the locking recess 31a of the holding projection 31 of the center block 30.
Is provided on one end side and resists the biasing force of the pressing spring 52 to the lever 4 with respect to the center block 30.
Both tilting of the lever 40 from a first position in which 0 is approached to a second position in which the lever 40 is separated from the center block 30 by a biasing force of the pressing spring from the first position. Guide groove 64a for inserting and guiding the shaft 44
And a case 60 provided on the front side of the side wall 64 of the housing portion 61.

Therefore, in the above-described embodiment, the printed circuit board 10 to which the contact receivers 20a to 20f are attached is fitted and held in the holding projection 31 of the center block 30, and the pressing spring 52 is housed in the click piece 51, and then the center block. In a state where the center block 30 and the lever 40 are integrated with each other by interposing a pressing spring 52 between the center block 30 and the lever 40, the locking recess 31 a of the holding projection 31 of the center block 30 is accommodated in the housing part 61 of the case 60. At the same time that the tilting shafts 44 of the pivotally mounting portion 42 of the lever 40 are inserted into the guide grooves 64a of the accommodating portion 61 of the case 60 and are guided to be fitted to the supporting portion 66 of When moved to the position, all of these integrated parts are collectively returned to the case 6
It is accommodated in the accommodation unit 61 of 0.

As a result, the work of assembling all the components in the accommodating portion 61 of the case 60 can be collectively carried out, the workability can be improved, and the cost can be reduced.
Since it is not necessary to secure a space for assembling as in the case where the assembling work is performed in the accommodating portion 60, the overall size can be reduced. In addition, the printed circuit board 10
Is held by the holding projection 31 of the center block 30, while the holding projection 31 projects from the printed circuit board 10 and abuts against the supporting portion 66 of the housing portion 61, the pressing force of the pressing spring 52 is Since it is added to the holding projection 31 of the block 30 and does not add to the printed circuit board 10, it is possible to use a normal printed circuit board 10 without using a special strong printed circuit board, which may increase the cost. Nor.

By the way, the lever switch of the present invention can adopt a configuration other than that of the above-described embodiment as long as the various components in the case 60 can be assembled in the case 60 at once. The configuration of various parts such as the case 60 or the lever 40 can be appropriately changed. For example, in the above-described embodiment, the guide groove 64a as a guide means for guiding the tilting shaft 44 of the lever 40 is provided in the side wall 64 with a substantially L-shaped cross section. The guide groove may be formed between both ribs by providing the guide groove, and the guide groove has a shape in which the first groove extends vertically and the second groove extends forward from the lower end of the first portion. Depending on the portion, it can be appropriately changed, for example, it can be formed into a substantially inverted J shape. That is, the guide means uses the urging force of the pressing spring 52 to automatically guide the tilting shaft 44 of the lever 40 forward at a predetermined position in the vertical direction and can stably hold the tilting shaft 44 at the front position. I wish I had it.

Further, the shape of the fitting hole 11 of the printed circuit board 10 of the above embodiment and the center block 3 for holding it.
The shape of the holding protrusion 31 of 0 may be changed to a polygonal shape other than a quadrangular shape. Alternatively, other than the printed circuit board 10 on which the resistance R or the like is printed as a circuit board, one having a resistor attached by soldering may be used. The shape and other configurations of the printed circuit board 10 and the center block 30 themselves may be appropriately changed by using them. Further, the configuration of the lever 40 or the case 60 and the case cover 62 may be changed as appropriate, and contacts other than the contact receivers 20a to 20f are used as fixed contacts and contacts other than the contact ring 45 are used as movable contacts. May be.

Furthermore, although the above embodiment is embodied as a three-way lever switch, it is of course possible to embody this as a multi-directional lever switch such as a four-direction lever switch.

[0038]

As described above, the lever switch of the present invention includes the circuit board having the fitting hole, and the circuit board fitted in the fitting hole of the circuit board and protruding from the circuit board. A center block having a holding projection on one end side for holding the center block, a lever spaced apart from the other end of the center block and extending in the longitudinal direction, and a pair of tilt shafts projectingly formed on both sides in the width direction; Energizing means interposed between the block and the lever for urging the center block and the lever in directions away from each other, a fixed contact arranged on the circuit board side, and a lever on the lever side. A movable contact that is disposed and is electrically connected to the fixed contact by tilting the lever, and a support portion that abuts and supports the other end surface of the holding projection of the center block is provided on one end side. At the same time, from the first position where the lever is brought closer to the center block against the biasing force of the biasing means, the lever is pushed from the center block to the first position by the biasing force of the biasing means. And a case provided with guide means on the other end side for inserting and guiding the both tilting shafts of the lever to the second position separated from each other.

Therefore, the other end face of the holding projection of the center block is held in a state in which the circuit board is held by the holding projection of the center block, and the center block and the lever are interposed by the biasing means so as to be integrated as a whole. When the tilting shafts of the lever are inserted into and guided by the guide means of the case at the same time as being brought into contact with the supporting portion of the case and moved from the first position to the second position, these integrated parts are integrated. The whole is put together in a case. As a result, the whole assembling work can be performed collectively, the workability can be improved, and the overall size and cost can be reduced.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an entire lever switch according to an embodiment of the present invention.

FIG. 2 is a side view of a lever switch according to an embodiment of the present invention.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a plan view of a lever switch according to an embodiment of the present invention.

5 is a sectional view taken along line BB of FIG.

FIG. 6 shows a center block of a lever switch according to an embodiment of the present invention, (a) is a side view, (b) is a front view, and (c) is a cross-sectional view taken along the line CC of (a). Is.

FIG. 7 is a plan view showing a circuit side of a printed circuit board of a lever switch according to an embodiment of the present invention.

8A and 8B show a contact receiver of a lever switch according to an embodiment of the present invention, FIG. 8A is a side view, FIG. 8B is a side view showing a mounting state on a printed circuit board, and FIG. )
It is the front view seen from the D direction.

9A and 9B show a base end portion of a lever of a lever switch according to an embodiment of the present invention, FIG. 9A is a front view, and FIG. 9B is a sectional view.

FIG. 10 is a plan view showing a contact ring of a lever switch according to an embodiment of the present invention.

11A and 11B show a case and a case cover of a lever switch according to an embodiment of the present invention, FIG. 11A is a plan view of the case, and FIG. 11B is a bottom view of the case cover.

FIG. 12 is a circuit diagram of a lever switch according to an embodiment of the present invention.

[Explanation of symbols]

 10 Printed Circuit Board (Circuit Board) 11 Fitting Holes 20a to 20f Contact Receiver (Fixed Contact) 30 Center Block 31 Holding Projection 40 Lever 44 Tilt Shaft 45 Contact Ring (Movable Contact) 52 Pressing Spring (Biasing Means) 60 Case 64a Guide groove (guide means) 66 Support portion P Conductor pattern (electric circuit)

Claims (1)

[Claims] 1. A circuit board that forms an electric circuit and has a fitting hole, and a holding protrusion that holds the circuit board in a state of being fitted into the fitting hole of the circuit board and protruding from the circuit board. A center block having one end side, a lever that is spaced apart from the other end side of the center block and extends in the longitudinal direction, and a pair of tilt shafts protruding from both sides in the width direction, and the center block and the lever. Energizing means interposed between the center block and the lever for urging the center block and the lever away from each other, a fixed contact arranged on the circuit board side, a lever arranged on the lever side, A movable contact that is electrically connected to the fixed contact by a tilting operation and a support portion that abuts and supports the other end surface of the holding projection of the center block are provided on one end side, and the biasing force is applied. A first position in which the lever is moved closer to the center block against the biasing force of the means, and a lever in which the lever is separated from the center block from the first position by the biasing force of the biasing means. 2. A lever switch, comprising: a case provided with guide means on the other end side for inserting and guiding the both tilting shafts of the lever to the position 2.