JPH0638340Y2 - Push cancel type blinker switch - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a winker switch which is used by being mounted on a handle of a motorcycle or in the vicinity thereof, and the operation knob is provided inside the case at the end of a right turn or a left turn. The present invention relates to a push cancel switch that can return the switch to a neutral state by pushing it in.

[Prior Art] A push-cancel type switch for a winker of a motorcycle is known, and an example thereof is shown in FIG. This switch integrates a fixed contact b fixed in a case a, a movable contact c that comes in contact with and separates from the fixed contact b, and a holder d slidably supported by the case a,
It is composed of a lever f or the like that engages with this holder d via a pin e. The lever f is attached to the case a by the support shaft h in the elongated hole g, and is capable of rotating in the left-right direction and moving back and forth. Reference numeral i is an operation knob, and j is a return spring. When the lever f is rotated around the support shaft h by the operation knob i, the holder d slides on the case a by the pin e to switch the contact connection state. When the operation knob i is pushed inward into the case a, the lever f moves to the left in the figure against the return spring j, and at this time, the pin e
The holder d is returned to the neutral position by a cam structure formed on the engaged holder d, which is not visible in the drawing. The cam structure of the pin e and the holder d constitutes a push cancel mechanism. Also,
The case a is attached around the handle k and constitutes a part of a combination switch incorporating other lighting switches and the like.

[Problems to be Solved by the Invention] By the way, in the case of the above structure, the fixed contact b is inserted into the case a,
Since the switch subassembly including the holder d and the like is attached and the lever f is additionally attached into the case a by the support shaft h, the number of assembling steps is increased.

In addition, since the holder d slides on the bottom surface of the case a, the sliding resistance during movement is increased and the horizontal movement range is relatively large.

Further, the holder d is a vertically long member that is long in the vertical direction because the movable contact c is provided on the side surface, and the dimension of the entire switch in the height direction is increased.

Moreover, when the section modulus was increased in order to increase the strength of the pin e having a circular cross section, the cam structure portion was enlarged in proportion to the increase in thickness. Therefore, these factors tended to increase the size of the entire switch.

Therefore, an object of the present invention is to provide a push-cancel type winker switch which can be lightly operated and can be made more compact as a whole, and which can be assembled only by mounting parts on one shaft to reduce the number of assembling steps. is there.

[Means for Solving the Problems] In order to solve the above problems, in a push cancel type blinker switch according to the present invention, a holder is made into a substantially fan-shaped flat plate shape, and a top portion thereof is coaxial with a support shaft formed in a case. It is rotatably mounted, has a substantially pentagonal V-shaped portion in the center, and has a cam hole directed in the pushing direction of the operation knob, and is formed on the wall surface of the case near one end of the arc portion. A click holder that accommodates a pressing member that is spring-biased to engage with the click groove is provided, a movable contact is provided on the plane near the other end, and the lever enters the cam hole and pushes the operation knob. An engaging projection with a long oval cross section is provided, and when the lever is rotated or pushed in, the engaging projection comes into contact with the cam surface surrounding the cam hole to enable the holder to be rotated to the rotation position or the neutral position. In the holder It is characterized in that a fixed contact that comes into contact with and separates from a movable contact of the holder is provided on a bottom portion facing the rotating surface, and a coupler portion that accommodates terminals continuously extending from these fixed contacts is provided on a side portion.

[Advantage of the Invention] By making the holder substantially fan-shaped, and providing the cam hole in the center thereof, and the movable contact and the click holder on both sides of this, the holder becomes a relatively thin flat plate member having three functions integrated. In addition, the movable contact is provided on the flat surface of the holder, and the fixed contact corresponding to the movable contact is provided on the bottom of the case facing the rotating surface of the holder. Become.

Further, when the lever is rotated to the left and right, the holder makes an arc motion, so that the operation range becomes narrower than that in the case of making a linear motion. In addition, since the engaging protrusion that enters into the cam hole has a substantially elliptical cross section that is long in the pushing direction of the operating knob, even if a sufficient section modulus is obtained to obtain the strength required for the engaging protrusion, the operating knob The rate of increase of the lateral width in the direction orthogonal to the pushing direction of is reduced, and the rate of enlargement of the cam hole is reduced accordingly.

In addition, the holder rotates around a support shaft provided in the case, and at this time, since the holder has no portion other than the support shaft that directly contacts the case, sliding resistance is reduced.

When assembling this switch, put the fixed contact integrated with the terminal in the switch case equipped with the coupler part, and further attach the holder and lever coaxially to the support shaft. At the same time, the terminal extending from the fixed contact is accommodated in the coupler portion. Therefore, the number of parts and the number of assembly steps at the time of assembly are reduced.

[Embodiment] FIGS. 1 to 7 show an embodiment of the present invention. The push cancel type blinker switch according to the present embodiment is provided with a plastic case 10, a holder 20 rotatably mounted inside thereof, a lever 30 for rotating the holder 20, and a lever 30 for guiding the lever 30. It includes a guide member 40 and a lid 50 which covers the opening of the case 10, and a push cancel mechanism described later is formed between the holder 20 and the lever 30.

Therefore, when the lever 30 is rotated, a turn signal (not shown) on the left or right turn side is turned on. When the lever 30 is pushed into the case 10 in this state, the holder 20 is returned to the neutral position and the turn signal is turned off. It has become. Hereinafter, each part will be described in more detail.

The case 10 has a coupler portion 11 formed on one side, and the neutral side terminal 1
2, the right turn side terminal 13 and the left turn side terminal 14 from here to the case 10
It is arranged inside. As shown in FIGS. 4 to 7, click grooves 15 to 17 are engraved inside the standing wall portion 10a, which correspond to a neutral position, a right turn position, and a left turn position, respectively. Reference numeral 18 is a support shaft formed integrally with the case 10, a reference numeral
Reference numeral 19 is a sleeve which is put on this.

The holder 20 is a substantially fan-shaped member, and has a boss insertion hole 21 for attachment to the support shaft 18 at the center thereof, and a movable contact 22 on one side of the fan-shaped tip.

The movable contact 22 is always in contact with the fixed contact 12a which is the inner end of the case 10 of the neutral side terminal 12, and when the holder 20 is in the neutral state, the other right turn side terminal 13 and the left turn side terminal 14 are Fixed contacts 13a and 1 that are continuously and integrally formed
No contact with any of 4a (see Figure 4). When the holder 20 rotates to the right, the movable contact 22 moves to the fixed contact 12a.
And 13a (see FIG. 5), and contact the fixed contacts 12a and 14a when turning left.

A substantially pentagonal cam hole 23 is formed at the center tip side of the fan-shaped holder 20, each side of which constitutes a right turn side engagement side 24 and a left turn side engagement side 25, and the tip side is a tapered side 26a. , 26b and a neutral groove 26c formed in the middle of both sides. Also, a hollow click holder 27 is attached to the other end of the fan shape.
Is formed, and a ball, which is the pressing member of the present invention, is formed inside this.
28 and a spring 29 are accommodated. Ball 28 is adapted to selectively engage one of the click grooves 15-17.

An operation knob 31 is formed at one end of the lever 30, and an elongated hole 32 through which the support shaft 18 can be inserted is formed at the center of the lever 30. As shown in FIG. 2 and FIG.
Forms a hollow space that penetrates vertically, and a step 32a having a dimension t is formed on the upper surface in the vicinity of the support shaft 18, and a rib 32b in the vertical direction and an operation knob 31 which are formed at the movement limit in the pushing direction. A space 32c penetrating up and down is also formed between the base and the root. By doing so, it is possible to prevent the water transmitted above the operation knob 31 and the lever 30 from entering the inside of the switch. The other end of the lever 30 is a hollow ball holder 33. A notch 34 is formed in the left and right wall surfaces of the tip of the ball holder 33, and a ball 35 and a spring 36 are accommodated in the ball holder 33. An engaging projection 37 that engages into the cam hole 23 is integrally provided on the bottom surface side of the notch 34.

The cam hole 23 and the protrusion 37 form a main part of the push cancel mechanism.

The guide member 40 is a member that is fitted inside the standing wall portion 10b of the case 10, and has a guide plate portion 41 formed to project into a thickness that can be fitted into the notch 34, with a neutral portion 42, a right turn side slope 43, and a left turn. A side slope 44 is formed.

The lid 50 is composed of a main body 51 and an extending portion 52 that covers the coupler portion 11 formed on one side of the main body 51. The main body 51 is formed with a hook 53 that engages with the coupler portion 11.

Next, the operation of this embodiment will be described. 4 to 7 are views for showing the action of the holder 20 and the lever 30, FIG. 4 is a neutral state, FIG. 5 is a right turn state, and FIG. 6 and FIG. It is a figure which respectively shows the state before and after performing. Figure 4 shows the ball in the neutral state
28 is located in the click groove 15 in the neutral position, and the ball 35 of the ball holder 33 is located in the neutral portion 42, which is not visible in the figure. At this time, the movable contact 22 is fixed to the fixed contact 12a as described above.
In contact with only.

Therefore, in order to light the turn signal on the right turn side from this state, the operation knob 31 is tilted in the clockwise direction (arrow A direction).
Then, as shown in FIG. 5, the notch of the ball holder 33
The portion 34 is guided by the guide plate portion 41 and moves to the right turn side slope 43, and the engaging projection 37 engages with the right turn side engaging side 24 of the cam hole 23 to move the holder 20 to the arrow in FIG. Since the holder 20 is pushed in the direction B, the holder 20 is rotated in this direction. Then, the ball 28 moves to the click groove 16 at the right turn position against the spring 29, and the movable contact 22 comes into contact with both the fixed contacts 12a and 13a. As a result, the right turn side of the turn signal (not shown) is turned on. At this time, if you release your hand from the operation knob 31, the sixth
As shown, only the lever 30 returns to the neutral position due to the spring force of the spring 36.

After turning right, turn off the blinker by turning operation knob 31 to the 6th position.
Push in the direction of arrow C in the figure. Then, the support shaft 18 becomes an elongated hole 32.
Since it is inside, lever 30 resists spring 36 and is indicated by arrow C.
The engaging projection 37 pushes the taper side 26a on the right turn side. As a result, as shown in FIG. 7, the holder 20 is rotated in the counterclockwise direction (the direction of arrow D in FIG. 6), and the engaging projection 37
Click into the neutral groove 26c and the ball 28 in the neutral position click groove 1
Go to 5 and stop. At this time, the movable contact 22 is fixed contact 1
The blinker goes out because it is not in contact with 3a. afterwards,
When the operation knob 31 is released, the lever 30 returns in the direction of the arrow E (see FIG. 7) by the elastic force of the spring 36, and becomes the neutral state.

When turning left, the lever 30 is turned via the operation knob 31 in the opposite direction to the case of turning right. At this time, the notch 34 of the ball holder 33 is guided onto the neutral portion 42 (see FIG. 2), at the same time, the ball 28 engages with the click groove 17 at the left turn position, and the movable contact 22 becomes the fixed contacts 12a and 14a. The blinker on the left-hand side turns on when touching.

To return to the neutral state, use the operation knob 31 to
When the case 30 is pushed into the case 10 (that is, the direction indicated by the arrow C in FIG. 6), the engaging projection 37 comes into contact with and pushes the tapered side 26b on the left turn side, so that the holder 20 returns to the neutral state.

As described above, in this embodiment, the holder 20 is formed into a substantially fan shape, and the cam hole 23 is provided in the center thereof, and the movable contact 22 and the click holder 27 are provided on both sides of the cam hole 23. Case 1 that can be formed into a thin flat plate, and fixed contacts 12a, 13a, 14a on which the movable contact 22 provided on the plane slides or comes in contact with the rotating surface of the holder 20
Since it is provided at the bottom, it is possible to suppress an increase in the size of the switch in the height direction and to make the switch compact as a whole.

Further, since the holder 20 moves in a circular arc, the range of movement in the left-right direction can be made narrower than in the case of making a linear motion. Further, since the engaging projection 37 that enters the cam hole 23 has a substantially oval cross section that is long in the pushing direction of the operation knob 31, the engaging projection 37
Even if a sufficient cross-sectional modulus is obtained to obtain the required strength, the increase rate of the lateral width in the direction orthogonal to the pushing direction of the operation knob 31 can be reduced, so that the enlargement of the cam hole 23 can be suppressed. Therefore, these can further contribute to downsizing of the entire switch.

In addition, the holder 20 rotates around the support shaft 18 provided in the case 10, and at this time, since the holder 20 has no part other than the support shaft 18 that directly contacts the case 10, sliding resistance is reduced. However, it can be operated lightly.

Moreover, in order to assemble this switch, the switch case including the support shaft 18, the click grooves 15 to 17 and the coupler section 11 is used.
Fixed contacts 12a, 13a, 14 integrated with terminals 12, 13, 14 in 10
If a is inserted and the holder 20 and the lever 30 are coaxially attached to the support shaft 18, the mechanical portion can be assembled by the attachment work to one shaft of the support shaft 18. Moreover, the coupler unit 11 is preliminarily case 10
Since it is integrally formed with the holder 20, the terminals 12, 13, 14 extending from the fixed contacts 12a, 13a, 14a can be housed in the coupler section 11 at the same time as the holder 20 is assembled, thus reducing the number of parts and the number of assembly steps. it can. Furthermore, since the coupler part 11 is also formed integrally with the case 10, it becomes a single independent switch as a whole, and it is not incorporated in a combination switch as in the past, so there are less restrictions on the mounting position, such as instrument cover etc. Can be installed to. In addition, the blinker switch has a unit structure that is independent of the conventional combination switch, so the degree of freedom in design is increased.

[Advantage of Invention] By making the holder substantially fan-shaped, and providing a cam hole in the center thereof and a movable contact and a click holder on both sides of this, the holder can be made into a relatively thin flat plate in which three functions are integrated. Since the fixed contact, which comes into contact with and separates from the movable contact provided on the plane, is provided at the bottom of the case facing the rotating surface of the holder, an increase in the size of the switch in the height direction can be suppressed and the overall size can be made compact. .

Further, since the holder moves in a circular arc, the range of movement in the left-right direction can be made narrower than in the case of making a linear motion.
Furthermore, since the engaging projection that goes into the cam hole has a substantially elliptical cross section that is long in the direction in which the operating knob is pushed, even if a sufficient section modulus is secured to obtain the strength required for the engaging projection, the operating knob Since the increase rate of the lateral width in the direction orthogonal to the pushing direction can be reduced and the expansion of the cam hole can be suppressed accordingly,
The cam hole can be made as small as possible. Therefore, these can further contribute to downsizing of the entire switch.

In addition, the holder rotates around the support shaft provided in the case, and at this time, the portion other than the support shaft does not come into direct contact with the case, so that the sliding resistance is reduced and a light operation is possible.

Moreover, in order to assemble this switch, the fixed contact integrated with the terminal is put in the switch case that has the support shaft, the click groove and the coupler, and the holder and lever are coaxially attached to the support shaft to support it. The mechanical part can be assembled by mounting work on one axis. Moreover, since the coupler part is formed integrally with the case in advance, the terminal extending from the fixed contact can be accommodated in the coupler part at the same time as the holder is assembled.
The number of parts and the number of assembly steps can be reduced.

[Brief description of drawings]

1 to 7 show an embodiment, FIG. 1 is an external perspective view of the apparatus, FIG. 2 is an exploded perspective view, FIG. 3 is a sectional view, and FIG. 4 to FIG. FIG. FIG. 8 is a sectional view of a conventional example. (Description of symbols) 10 …… Case, 12a, 13a, 14a …… Fixed contact, 18 …… Support shaft, 20 …… Holder, 22 …… Moveable contact, 23 …… Cam hole, 30
...... Lever, 31 …… Operation knob, 40 …… Guide member, 50…
…lid.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Nobuaki Komuro Inventor Nobuaki Komuro 1-4-1 Chuo, Wako-shi, Saitama, Ltd. Honda R & D Co., Ltd. (56) References Sho 63-28225 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A case (10), fixed contacts (13a) (14a) on the right and left sides provided inside the case (10), and a movable contact (3a) (14a) that contacts and separates from the fixed contacts (13a) (14a). twenty two)
Attach this movable contact (22) and case (1
(0) is movably supported by a holder (20) and a support shaft (18) integrally formed with the case (10) so as to be interlocked with the holder (20) so that the holder (20) can rotate and move back and forth. The lever (30) supported, the operation knob (31) attached to one end of the lever (30), the other end of the lever (30) and the neutral position returning means (provided on the case (10) ( 35)
A winker switch comprising: (36) (40); and a push cancel mechanism that returns the holder (20) at the pivot position to the neutral position by pushing the operation knob (31) inward of the case at the neutral position. The holder (20) has a substantially fan-shaped flat plate shape, and has a top portion attached to a support shaft (18) formed in the case (10) so as to be rotatable coaxially with the lever (30), and has a substantially central portion. A cam hole (23) is formed in which the pentagonal and substantially V-shaped portions (26a) (26b) and (26c) are directed in the direction of pushing the operation knob (31), and a case ( A click holder (27) for accommodating a pressing member (28) which is spring-biased so as to engage with click grooves (15) to (17) formed on the wall surface of (10) is provided on a plane near the other end. The movable contact (22) is provided on the lever, and the lever (30) enters the cam hole (23) and operates. A cam surface provided with an engagement protrusion (37) having a substantially oval cross section that is long in the pushing direction of the knob (31), and the engagement protrusion (37) surrounds the cam hole (23) when the lever (30) is rotated or pushed. (24) (2
5) Holder (20) by contacting (26a) (26b) or (26c)
Of the fixed contact (13a) for contacting and separating the movable contact (22) of the holder (20) on the bottom of the case (10) facing the rotating surface of the holder (20). ) (14a) and these fixed contacts (13a) on the side
A push-cancel type winker switch, characterized in that a coupler section (11) for accommodating terminals (13) and (14) continuously extending from (14a) is provided.