JP2922828B2 - Ignition switch - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ignition switch used to enable starting of an engine in a vehicle such as a motorcycle.

[0002]

2. Description of the Related Art Conventionally, vehicles such as two-wheeled vehicles and four-wheeled vehicles have been provided with an ignition switch for enabling an engine to be started. Various functions are added in addition to the switch function. As this function, for example, a function to which a steering lock function is added, a function to which a steering lock function and a helmet lock function are added, a function to which a steering lock function and a seat lock function are added, and the like are known.

In an ignition switch having a steering lock function and a seat lock function in addition to the switch function, for example, as shown in FIG. , A lock position d is provided in the left rotation direction. A seat lock open position c is provided in the right rotation direction of the on position a, and the seat lock is released by rotating the key by a predetermined angle rightward from the on position a.

[0004]

However, in this ignition switch, there is a problem that the battery is easily discharged. That is, since various functions are added to the ignition switch, the operation is complicated, and it is easy to forget to remove the key. For example, after the engine is stopped, the key is rotated to the seat lock open position c to lock the seat lock. After releasing,
You may forget to remove the key.

In this case, since the key automatically returns from the seat lock open position c to the on position b, the battery circuit is connected by the ignition switch, and the battery easily runs out. In particular, in a vehicle of a battery ignition system (full transistor ignition system) employed in a high-end vehicle, since the battery and the ignition circuit are connected at the on position a, the battery is likely to run out.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide an ignition switch that does not cause the vehicle battery to run down even if the user forgets to remove a key after releasing a seat lock. Is to do.

[0007]

In order to achieve the above object, an ignition switch according to a first aspect of the present invention includes an off position, an on position provided in one rotational direction of the off position and connected to a battery circuit, and In an ignition switch provided in the other rotation direction of the off position and having a lock position for locking a steering, a seat lock open position is provided between the off position and the lock position, and the rotor is moved from the off position to the lock position. push
The seat lock.
The open position does not push the rotor from the off position.
It can be set by rotating it .

According to this ignition switch, the seat lock is released by turning the key from the off position to the anti-on position direction, for example, to the left to set the seat lock open position. Even if the key is forgotten to be removed after the seat lock is released, since the ON position is beyond the OFF position, the key is not placed at the ON position and the battery circuit is not connected.

[0009] This the ignition switch, the lock position, can be set by rotating while pushing the rotor from the off position, the seat lock open position, by rotating in a state of not push the rotor from the OFF position It can be set.
According to the ignition switch, one of the steering lock operation and the seat lock open operation is selectively performed depending on the presence or absence of the push operation of the rotor, and simultaneous or continuous operation of both operations is prevented.

According to a second aspect of the present invention, in the ignition switch, when the rotor rotates from the off position to the seat lock open position, the rotor is biased in the off position direction. Is biased toward the off position, and the key automatically returns to the off position.

[0011]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 7 show an ignition switch according to the present invention. FIG. 1 is a plan view, FIG. 2 is a left side view, FIG. 3 is a front view, and FIG.
5 is a sectional view taken along line BB of FIG. 3, and FIG.
7 is an exploded perspective view of a main part.

In FIG. 1 to FIG. 7, an ignition switch 1 has a cylinder body 2 (hereinafter, simply referred to as a body 2) whose upper end side and lower end side are respectively opened. A substantially cylindrical rotor 3 (see FIGS. 4 and 5) is rotatably disposed. The rotor 3 has a key hole 5 into which a key 4 (see FIG. 2) is inserted from the upper surface thereof along the central axis, a fitting recess 6 formed in the center of the lower surface, and a lower end outer periphery. A pair of projections 7 are formed at diagonal positions on the surface.

A lock 8, an operating member 9 and a cam 10 shown in FIG. The lock 8 is a ring-shaped portion 8 having a hole 11 formed in the center.
a and a pair of outer peripheral wall portions 8b provided at diagonal positions of the ring-shaped portion 8a and protruding downward. The ring-shaped portion 8a has a pair of plate-shaped protrusions 12 protruding toward the center of the hole 11 on the upper surface side of the hole 11 at a substantially diagonal position, and a portion of each protrusion 12 of the ring-shaped portion 8a. A pair of grooves 13 is formed in the outer peripheral surface in the vertical direction.

The outer peripheral wall 8b is formed in a substantially semicircular arc shape.
One of the outer peripheral wall portions 8b is provided between the pair of protrusions 12 so as to protrude downward.
Are formed on the upper surface of the convex portion 14, and a columnar protrusion 15 projecting above the ring-shaped portion 8 a is formed. The protrusion 15 protrudes out of the body 2 from a long hole 16 (see FIG. 6) formed in the body 2, and engages with a lever 47 connected to a seat lock described later.

The actuator 9 has a ring-shaped portion 9a having a hole 17 formed at the center, and a pair of outer peripheral wall portions 9b protruding upward outside a diagonal position of the ring-shaped portion 9a. doing. The outer peripheral wall portion 9b is formed in a substantially semicircular arc shape, and a pair of projections 18 that engage with the grooves 13 are formed on the inner surface of the upper end. In this actuator 9, the outer diameter of the ring-shaped portion 9a is smaller than the inner diameter of the outer peripheral wall portion 8b of the lock 8, and the inner diameter of the outer peripheral wall portion 9b is equal to the outer diameter of the outer peripheral wall portion 8b of the lock 8 (the convex portion 14). Exclusion) and engages with the lock 8 as described later. Note that the actuator 9
A concave portion 19 (see FIG. 4) is formed on the lower surface of the ring-shaped portion 9a.

The cam 10 has a disk portion 21 having a flange formed on the outer peripheral edge, and a fitting projection 22 that fits into the fitting recess 6 of the rotor 3 projects on the upper surface of the disk portion 21. A cam portion 23 is provided on the lower surface of the cam portion 23 so as to be bent in a substantially U-shape. The lower end of the cam portion 23 protrudes downward through a hole of a cover 35 described later provided in the lower end opening of the body 2.

The components of the rotor 3, the lock 8, the operating member 9 and the cam 10 are connected to the body 2 in the following state.
It is assembled in. That is, a compression spring 25 (see FIG. 4) is fitted to the fitting projection 22 of the cam 10, and the upper end of the compression spring 25 is
The actuator 9 is supported by being located in the recess 19 of FIG. On the ring-shaped portion 9a of the operator 9, the projection 18 of the operator 9
The lock 8 is disposed in a state where the groove 13 of the lock 8 and the lock 13 are aligned in the vertical direction.

The actuator 9 is integrated with the lock 8 with the projection 18 passing through the groove 13 of the lock 8 from below and located above the ring-shaped portion 8a. The fitting projection 22 of the cam 10 projects from below into the holes 11 and 17. And, in this fitting convex part 22,
Each component is assembled by fitting the fitting recess 6 at the lower end of the rotor 3 inserted into the hole 11 from above the lock 8. As a result, the operating element 9 is elastically supported on the disk portion 21 of the cam 10 by the compression spring 25, and the lock 8 and the cam 10 engage with the lower end of the rotor 3 to operate the rotor 3 by operating the key 4. The rotation of each rotation.

In this assembled state, the operating element 9
The outer peripheral wall 9b is accommodated in a concave portion 26 of the body 2 (see FIG. 6), the rotation of which is restricted, and the lock 8
The vertical movement is restricted by the body 2 and the cam 10, and the rotation range is such that the protrusions 14 provided on the outer peripheral wall 8 b abut on both end surfaces below the long holes 16 of the body 2 ( That is, it is set to be approximately the length of the long hole 16). Further, the ring-shaped portion 9a of the actuator 9 is constantly urged upward by the compression spring 25, and the ring-shaped portion 9a is normally provided.
The upper surface of a is in contact with the lower surface of the ring-shaped portion 8a of the lock 8.

On the other hand, an annular groove 27 is provided in the body 2.
(See FIG. 4). A torsion coil spring 28 is fitted in the groove 27. The torsion coil spring 28 has one end 28 a (see FIG. 7) locked in the body 2 and the other end 28 b connected to one outer peripheral wall 8 b of the lock 8.
And the lock 8 is always rotated clockwise (FIG. 1).
(OFF direction from LOCK).

As shown in FIGS. 4 and 5, a square hole 30 is formed in the side surface of the lower end opening of the body 2, and a rectangular pillar-shaped lock bar 31 can be advanced and retracted in the square hole 30. It is arranged. The lock bar 31 is connected to the cam portion 23 of the cam 10 by a slider 32, and rotates while the cam portion 23 is engaged in a long hole formed in the slider 32, whereby the lock bar 31 advances and retreats, and will be described later. 3 provided in the steering shaft 33 shown in FIG.
Appear in 4

The cam portion 2 located below the lock bar 31
The lower end of 3 protrudes downward through a hole in a cover 35 disposed in the lower end opening of the body 2 and a fixed contact plate 36 disposed in the switch cover 39, and has a movable end at its protruding end. The contact plate 37 is fitted. A plurality of contacts to which one end of a lead wire 38 is connected are arranged on the fixed contact plate 36, and a specific contact among the contacts contacts a contact of the movable contact plate 37. The movable contact plate 37 is elastically supported by the action spring 40, the ball 41, and the like, and is rotatably disposed in the switch cover 39. A fitting portion 37a formed at the center of the movable contact plate 37 has
The lower end of the cam portion 23 of the cam 10 is fitted.

The outer peripheral surface of the upper end of the body 2 is covered with a cylinder cap 43, and the opening of the key hole 5 of the rotor 3 is made of a hard material to prevent the key hole 5 from being broken. Ring 44 is provided, and a ring 45 is provided. This ring 4
For example, as shown in FIG.
Characters such as FF, OPEN, PUSH, and LOCK, arrows, and the like are displayed.

Next, the operation of the ignition switch 1 will be described with reference to FIGS. First, the protrusion 15 of the lock 8 protruding from the long hole 16 of the body 2
As shown by the two-dot chain line in FIG. 8A, the recess 47a of the lever 47 of the seat lock (not shown) is engaged. A wire (not shown) of a seat lock is locked to the lever 47, and the lever 47 is constantly urged in a direction indicated by an arrow A in FIG. 8B by a pulling force applied to the wire.

In FIGS. 8 and 9, (a) is "ON".
The position, (b) is the “OFF” position, (c) is the “seat lock OPEN” position, and (d) is the “LOCK” position. FIG.
In the "OFF" position shown in FIG. 9B, the pair of projections 7 of the rotor 3 abut against one side surface 12a of the projection 12 of the lock 8, and the tip of the lock bar 31 is positioned as shown in FIG. , Protrudes from the reference line L by a dimension t1.
The protrusion 15 of the lock 8 is located at one end of the long hole 16 of the body 2 and is engaged with one end of the recess 47 a of the lever 47.

In the "OFF" position, as shown in FIG. 10, the projection 18 of the actuator 9 passes through the groove 13 of the lock 8 and is located above the upper surface of the lock 8, and 9 is urged upward by a compression spring 25, and the upper surface of the ring-shaped portion 9a contacts the lower surface of the ring-shaped portion 8a of the lock 8 and also contacts the lower surface of the rotor 3.

In this state, when the key 4 is inserted into the key hole 5 and rotated rightward, the projection 7 of the rotor 3 is not restricted by the projection 12 of the lock 8 from rotating. ), The rotor 3
(And the cam 10) rotate rightward, and the protrusion amount (dimension t2) of the lock bar 31 becomes the smallest protrusion amount with respect to the reference line L, as shown in FIG. In the "ON" position, the movable contact plate 37 is rotated by the cam portion 23 which rotates following the rotation of the rotor 3, and the predetermined contact of the fixed contact plate 36 is short-circuited by the contact, and a battery circuit (not shown) is connected. Then, for example, the engine is ready to start.

On the other hand, when the key 4 is rotated to the left from the "OFF" position without being pushed, as shown in the "Seat lock OPEN" position in FIG. The projection 7 of the lock 8 is the projection 12 of the lock 8.
The lock 8 is rotated to the left by a predetermined angle by pressing one of the side surfaces 12a. At this time, the lock 8 is
As shown in the figure, the groove 13 is aligned with the projection 18 of the actuator 9 in the vertical direction, but is not engaged.
It rotates following the rotor 3. By the rotation of the lock 8, the protrusion 15 also moves in the long hole 16 of the body 2 to the left (FIG. 6, FIG. 6).
8), and the lever 47 engaged with the projection 15 also moves to the left (in the direction of arrow C in FIG. 8c). As a result, the wire locked by the lever 47 is pulled, and the seat lock is released.

At the "seat lock OPEN" position, as shown in FIG. 9C, the lock bar 31 protrudes by the dimension t3. The dimension t3 is set so that the tip of the lock bar 31 is located slightly before the opening end of the concave portion 34 of the steering shaft 33 (on the side opposite to the steering shaft 33).
Is not locked by the lock bar 31.

When the rotor 3 is rotated to the "seat lock OPEN" position, the groove 13 is also rotated by the rotation of the lock 8, and the position of the groove 13 and the protrusion 18 of the actuator 9 are adjusted.
Are shifted in the vertical direction, so that even if the rotor 3 is pushed by the key 4, the lower surface 18a of the projection 18 of the actuator 9
(See FIG. 10) cannot contact the upper surface of the ring-shaped portion 8a of the lock 8 to push down the rotor 3.

When the rotor 3 rotates to the "seat lock OPEN" position, the rotation of the lock 8 compresses the torsion coil spring 28 disposed between the side surface of the outer peripheral wall 8b of the lock 8 and the body 2. , Lock 8 "OF
An urging force acts to return to the "F" position. Therefore, when the key 6 is rotated to the "seat lock OPEN" position and the key 4 is released, the key 4 (that is, the rotor 3) automatically returns to the "OFF" position.

On the other hand, when the steering shaft 33 is to be locked from the "OFF" position, the key 4 is rotated to the left by a predetermined angle while the rotor 3 is pushed and pushed down by the key 4. In the "OFF" position, the position of the groove 13 of the lock 8 and the position of the projection 18 of the actuator 9 coincide with each other in the vertical direction. Therefore, when the rotor 3 is pushed down in the direction of arrow B in FIG. The projection 18 moves downward in the groove 13 and is pushed down while resisting the urging force of 25. As a result, the projection 18 and the groove 13 are fitted, and the rotation of the lock 8 is restricted.

Then, the rotor 3 is pushed down by a predetermined distance together with the operating member 9, and as shown in FIG.
When a is located below the lower surface 12c of the projection 12 of the lock 8, the engagement state between the rotor 3 and the lock 8 is released. When the rotor 3 is rotated to the left in this state, the protrusion 7 of the rotor 3 moves below the protrusion 12 of the lock 8 in the direction indicated by the arrow D in FIG. 11, and the rotor 3 and the cam 10 rotate. At this time, the projecting amount (dimension t4) of the lock bar 31 is maximized as shown in FIG. 9D, and the tip is located in the concave portion 34 of the steering shaft 33.

When the push state of the rotor 3 is released at this position, the actuator 9 and the rotor 3 are raised by the urging force of the compression spring 25, and as shown in FIG. It engages with the other side surface 12b of the projection 12 of the lock 8, respectively. As a result, the protrusion 15 is located at one end of the elongated hole 16 and the rightward rotation of the lock 8 is restricted by the body 2.
Is also restricted to the right, and by pulling out the key 4 from the rotor 3 at this position, the steering shaft 33 is locked.

To release the locked state, the key 4 is inserted into the rotor 3 and pushed at the "LOCK" position to release the engagement between the projection 7 and the projection 12 of the lock 8, and then the rotor 3 is rotated clockwise. Then, the operation can be performed by returning the rotor 3 to the “OFF” position.

That is, the above-mentioned ignition switch 1 can rotate in the "ON" position direction (clockwise direction) by engaging the protrusion 7 of the rotor 3 with one side surface 12a of the protrusion 12 of the lock 8. By engaging the protrusion 7 with the other side surface 12 b of the protrusion 12, the rightward rotation can be restricted to the “LOCK” position, and the protrusion 7 of the rotor 3 and the protrusion 12 of the lock 8 can be set. Is moved by pushing and rotating the rotor 3 with the key 4.

The simultaneous or continuous occurrence of the steering lock state and the seat lock open state, which may occur when the “seat lock OPEN” position is set between the “OFF” position and the “LOCK” position, The problem is solved by setting the protrusion amount of the lock bar 31 as shown in FIG. That is, FIG.
13, the horizontal axis represents the rotation angle (each position) of the rotor 3, the vertical axis represents the protrusion amount t of the lock bar 31, the solid line represents the ignition switch 1 of the present invention, and the dotted line represents FIG. 1 shows a conventional ignition switch shown in FIG.

As is clear from this graph, the lock bar 31 of the ignition switch 1 according to the present invention
Between the "seat lock OPEN" position and the "LOCK" position, and in the clockwise (plus) direction from the "ON" position, the protrusion amount t is set to be larger than in the conventional example, and the "LOCK" position is set to a predetermined value. Angle α (for example, 5 to 15
(Preferably about 10 degrees) in the counterclockwise (minus) direction. It has been confirmed that such setting prevents simultaneous or consecutive occurrence of the seat lock open state and the steering lock state.

As described above, according to the above embodiment, the "seat lock OPEN" position is set to the "OFF" position and the "LOC"
The key 4 is set between the “K” position. Therefore, even if the user forgets to remove the key 4 after releasing the seat lock, the key 4 is not set to the “ON” position, and the ignition switch 1 Since the battery circuit is not connected, it is possible to reliably prevent the battery of the vehicle from running out. As a result, the ignition switch 1 can be easily applied to a high-end vehicle employing a battery ignition system.

Further, the seat 4 is rotated left without pushing the key 4 from the "OFF" position to the "seat lock OPEN" position, and is rotated left while pushing the key 4 to the "LOCK" position. The operation and the steering lock operation can be performed by clearly different operations from the same “OFF” position, and simultaneous or continuous operation of both operations is reliably prevented.

Further, at the time of operation to the "seat lock OPEN" position, the automatic return force by the torsion coil spring 28 acts on the lock 8, so that after releasing the seat lock, the key 4 is always automatically set to the "OFF" position. For example, after the seat lock is released, the operation for performing the steering lock operation can be performed easily and smoothly.

In the above embodiment, the case where the steering lock function and the seat lock function are added to the ignition switch has been described. However, the present invention is not limited to this. In addition, the present invention may be applied to an ignition switch having a helmet lock function or the like, or may be applied to an ignition switch of a vehicle other than the motorcycle. Further, the configurations of the lock, the actuator, the cam, the shape of each part, and the like in the above embodiment are merely examples, and it goes without saying that various changes can be made without departing from the spirit of the present invention.

[0043]

According to the ignition switch of the first aspect , even if the user forgets to remove the key after releasing the seat lock, the battery circuit is not connected, and the battery of the vehicle is reliably prevented from running out. Can be . Ma
Also, release the seat lock and apply the steering lock.
Both the lock operation and the “OFF” position point in the same direction
Despite being rotated, it goes through a different process
Therefore, erroneous operation is reliably prevented. The igu of claim 2
According to the Nission switch, the key is
"OFF" position lightly by the automatic return force of the spring 28)
Can be restored. And so on.

[Brief description of the drawings]

FIG. 1 is a plan view of an ignition switch according to the present invention.

FIG. 2 is a left side view of the same.

FIG. 3 is a front view of the same.

FIG. 4 is a sectional view taken along line AA of FIG. 2;

FIG. 5 is a sectional view taken along line BB of FIG. 3;

FIG. 6 is a sectional view taken along line CC of FIG. 3;

FIG. 7 is an exploded perspective view of the main part.

FIG. 8 is an explanatory diagram of the operation.

FIG. 9 is an explanatory diagram of another operation.

FIG. 10 is a diagram for explaining the operation, taken along line DD in FIG. 8B;
Line cross section

FIG. 11 is a sectional view similar to FIG.

FIG. 12 is a graph showing the timing of the amount of protrusion of the lock bar.

FIG. 13 is a plan view of a conventional ignition switch.

[Explanation of symbols]

 1 ... Ignition switch 2 ... Cylinder body 3 ... Rotor 4 ... Key 7 ... Protrusion 8 ... ... Lock 9 ... Actuator 10 ... Cam 12 ... Projection 13 ... Groove 15 ... Projection 16 ... ... Long hole 18 ... Protrusion 28 ... Torsion coil spring 31 ... Lock bar 33 ... Steering shaft 47 ... Lever

Claims (2)

(57) [Claims] An ignition having an off position, an on position provided in one rotation direction of the off position to which a battery circuit is connected, and a lock position provided in the other rotation direction of the off position to lock a steering. In the switch, a seat lock open position is provided between the off position and the lock position, and the lock position pushes the rotor from the off position.
The seat lock can be set by rotating
Open position, do not push rotor from off position
An ignition switch that can be set by rotating the ignition switch. 2. A cylinder body and a rotor when the rotor rotates from an off position to a seat lock open position.
The ignition switch according to claim 1, wherein the ignition switch is urged in the direction of the off position by a spring provided between the ignition switch and a member connected to the ignition switch.