JPH0733320Y2 - Slide switch device - Google Patents

Description

[Detailed Description of the Invention] A. Purpose of the Invention (1) Field of Industrial Application The present invention relates to a slide switch device operated by an operator such as an operating lever or a pedal.

(2) Conventional Technology Conventionally, for example, as disclosed in Japanese Utility Model Laid-Open No. 52-150157,
2. Description of the Related Art In a motorcycle or the like, a switch that operates in conjunction with an operator is arranged at various places. As shown in FIG. 11, this slide switch S ₀ includes a switch case 111
A fixed contact 113 made of a spring piece provided inside, and a movable contact 114 fixed to a slide shaft 115 slidably provided on the switch case 111,
The outer end portion 115 ₁ of the slide shaft 115 by the pulling operation of the brake lever 02 is biased so as to protrude outward through the hole 116 of the switch case 111 by the elastic force of extrusion springs 117, fixed contact 113 in this state And the movable contact 114 come into contact with each other to turn on the slide switch S ₀ , and when the pulling operation of the brake lever 02 is released, the outer end portion 115 ₁ of the slide shaft 115 is pressed inward as shown by the arrow in FIG. For example, the slide shaft 115 slides inward, the movable contact 114 is separated from the fixed contact 113, and the slide switch S ₀ is turned off.

(3) Problems to be Solved by the Invention However, in the above-mentioned conventional one, the lubricating oil attached to the operator such as the lever 02 or rainwater attaches to the outer end of the slide shaft 115, which passes through the through hole 116. It penetrates into the switch case 111 and adheres to the fixed and movable contacts 113 and 114.

Therefore, it is possible to cover the operation part of the slide switch with a waterproof cover or the like in order to solve such a problem.
By doing so, the number of separate assembly parts increases, and the work of mounting / removing becomes troublesome.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a slide switch device having a simple configuration in which the switch body side is integrally provided with a waterproof function to solve all the above problems. Is.

B. Configuration of the Invention (1) Means for Solving the Problems To achieve the above object, according to the present invention, a fixed contact and a movable contact that constitute a slide switch are provided in a switch case and the movable contact is provided. In a slide switch device in which a slide shaft for operating a contact is slidably provided, and an outer end portion of the slide shaft is projected outside through a through hole opened in an end wall of the switch case, in the switch case, A baffle plate is provided at a position closer to the outer end portion than the movable contact of the slide shaft, and the baffle plate guides and guides the foreign matter to the discharge port opened in the switch case.

(2) Action Even if foreign matter such as lubricating oil or rainwater applied to the operator side enters the case through the through hole of the switch case, this foreign matter is guided and guided to the outlet by the baffle plate. Is actively discharged to. Therefore, foreign matter can be prevented from adhering to or accumulating on the side of the slide switch, which is composed of the fixed and movable switches in the switch case, and since the slide switch is built in the switch case, its mounting / removing property is improved.

(3) Embodiment An embodiment in which the slide switch device of the present invention is applied to a motorcycle will be described below with reference to the drawings.

FIG. 1 is a front perspective view of a scooter type motorcycle equipped with the device of the present invention, in which slide switches S (FIG. 3) are provided at both left and right ends of a bar handle 1 for steering the front wheels.
Is provided, and each switch S is turned on when the brake lever 2 provided on the bar handle 1 is pulled to turn on the stop lamp 3 (FIG. 6), and when the brake lever 2 is returned, It works to turn off the stop lamp 3.

FIG. 2A shows the bar handle 1 when the brake lever is returned.
2B is an enlarged plan view of the end portion of the bar handle 1 when the brake lever is pulled, and FIG. 3 is an enlarged cross-sectional view taken along line III-III of FIG. 2B. Figure 4 is Figure 3I
FIG. 5 is a partial view taken along line V-IV, and FIG. 5 is a partial view taken along line VV in FIG.

A bracket 5 is fixed to the end portion of the bar handle 1 adjacent to the base end of the grip 4, and the bracket 5 has an L-shape.
The base end of the character-shaped brake lever 2 is pivotally supported by a pivot shaft 6.

One end of an outer 7o of a brake wire 7 connected to a brake device (not shown) is fixed to the bracket 5, and one end of an inner 7i extending from the outer 7o is bonded to a bent portion of the brake lever 2. The inner 7i is pulled to the left in FIG. 2 (in the direction of the arrow) by the elastic force of a brake releasing spring that is assembled to a brake device (not shown), and the brake lever 2 is also biased to the left. its inner end face 2 ₁ is abutted to the bracket 5 Te.

When the brake lever 2 is pulled to apply the brake as shown in FIG. 2 (B), the inner 7i of the brake wire 7 is pulled to the right (the direction of the arrow in FIG. 2) and the brake device is activated.

The bracket 5 is provided with a slide switch device that is turned on and off by the brake lever 2 to turn on and off the stop lamp 3 (FIG. 6).

Next, the structure of this slide switch device will be described mainly with reference to FIGS. 2 to 5. A hollow cylindrical switch case 11 connected to the end of the stop switch cord 10 is fixed to the bracket 5. It The insulating block 12 fixed to the inner end of the switch case 11 is fixed to a pair of fixed contacts 13 made of spring pieces connected to the cord 10 and a movable shaft 14 is fixed to the slide shaft.
15 is slidably supported in the axial direction. Slide shaft
Outer end 15 ₁ of 15 protrudes through hole 16 bored in the end wall of the switch case 11 is formed in the small-diameter outside the casing 11, and faces the inner end surface 2 ₁ of the brake lever 2.
Further, a step portion 15 ₂ formed in the middle portion of the slide shaft 15
And the push-out spring 17 is contracted between the switch cases 11,
The elastic force of this spring 17 causes the slide shaft 15 to move outward (3rd
The slide shaft 15 outer end 15 ₁
Project outwards. The second view (B), in the projected state of the outer end 15 ₁ of the slide shaft 15 as shown in FIG. 3, the movable contact 14 contacts the fixed contact 13, the slide switch maintains the on state.

In the switch case 11, a baffle plate 18 is provided at a position closer to the outer end portion 15 ₁ than the movable contact 14 of the slide shaft 15.
Is fixed. The baffle plate 18 is formed in a circular shape having a diameter smaller than the inner diameter of the switch case 11, and a surface 18 _{1 of} the switch case 11 facing the through hole 16 is inclined downward inward.

The bottom wall 11 ₁ of the switch case 11, immediately below the baffle plate 18, outlet 19 is opened, the inner wall surface of the discharge port 19, a thin longitudinal groove 20 is engraved with a number condition over its entire circumference Has been done. Further, the bracket 5 is provided with an outflow hole 21 corresponding to the discharge port 19.

Further, the baffle plate 18 of the slide shaft 15,
Between the movable contact 14, the flange 22 is integrally formed, thereby the stepped portion 22 ₁ to the slide shaft 15 is formed.

FIG. 6 shows a circuit diagram in which the slide switch S is connected to the stop lamp circuit 26 of the motorcycle, and a pair of slide switches S, that is, stop switches provided at the left and right ends of the bar handle 1 are arranged in parallel, It is connected to the battery 25 together with the main switch 23, the stop lamp 3 and the fuse 24.

Next, the operation of this embodiment will be described.

As shown in FIG. 2 (A), when the brake lever 2 is in the return position, the brake lever 2 is rotated leftward around the pivot shaft 6 (in the direction of the arrow in FIG. 2) by the elastic force of the return spring of the brake device. is rotated biased, inner end surface 2 ₁ of the brake lever 2
The movable contact 14 pushes the outer end 15 ₁ of the slide shaft 15 is spaced from the fixed contact 13, stop lamp circuit
26 is opened and the stop lamp 3 is not lit.

Next, to activate the brake as shown in FIG. 2 (B),
When the brake lever 2 is pulled, the lever 2 moves to the right (second
(B), the inner wire 7i of the brake wire 7 is pulled and the brake is applied. At this time, the slide shaft 15 is pushed outward by the pushing spring 17, the movable contact 14 contacts the fixed contact 13, the stop lamp circuit 26 is closed, and the stop lamp 3 is turned on.

By the way, since the outer end surface of the switch case 11 where the through hole 16 is opened is exposed to the outside, lubricating oil applied to the pivot shaft 6 of the brake handle 2, the binding portion 8 of the brake wire 7, or the like, or the brake handle 2 is used. Rainwater and the like attached to the inside of the switch case 11 may infiltrate into the switch case 11 through the through hole 16. This infiltrated liquid is the inclined surface 18 _{1 of the} baffle plate 18 _1.
Is guided and guided downwards by the discharge port 19 and discharged to the outside through the discharge hole 21. Moreover, the penetration of the multiple vertical grooves 20 formed on the inner peripheral edge of the discharge port 19 facilitates the discharge of the infiltrated liquid.

Furthermore even if such chance infiltration liquid flows into the inside of the slide shaft 15 beyond the baffle plate 18 can stem its flow at said step portion 22 _1, intrusion liquid is Fuchaku the slide switch S Never.

As described above, even if lubricating oil, rainwater, or the like enters the switch case 11 through the through hole 16, it is possible to prevent the foreign matter from adhering to the slide switch S including the fixed and movable contacts.

In the above embodiments, the case where the slide switch device of the present invention is implemented as a stop switch device for a motorcycle has been described, but it goes without saying that the slide switch can be used for other purposes.

7 to 10 show a second embodiment of the present invention. As shown in FIG. 7 and FIG.
A so-called swing-type three-wheeled vehicle in which a power unit 27 that drives Wr and a vehicle body that supports the front wheels Wf are connected by a swing joint 28 arranged in the front-rear direction.The power unit 27 swings up and down via a pin 29 and a cushion 30. It is movably supported and swingably supported by a swing joint 28. Cantilever type front fork 31 that pivotally supports the front wheel Wf
Is supported by a fork base 33 via a cushion 32, and a steering pipe 36 having a bar handle 35 is fixed to the upper end of a steering stem 34 fixed to the fork base 33. A slide switch S'operated by the brake lever 2 is provided on the left and right bar handles 35. On the other hand, a pedal 37 operated by the driver's foot is a swing lock mechanism that locks the swing joint 28 in a non-pivotable manner via a cable 38.
Connected to 39. The pedal 37 is provided with a slide switch S'for detecting the operating state of the swing lock mechanism 39. This slide switch S'is
It has the same structure as the slide switch S ′ provided on the bar handle 35 and operated by the brake lever 2, and is configured to be turned on by stepping on the pedal 37.

9 and 10 show the structure of the slide switch S '. In this slide switch S', a baffle plate 18 'is loosely fitted on the outer periphery of a slide shaft 15 so as to be slightly movable in the axial direction. It is characterized by points. The outflow hole 21 'of the bracket 5 communicating with the discharge port 19' of the switch case 11 is divided into a plurality of small holes.

Thus, according to this embodiment, the foreign matter is removed from the switch case 11
The function of guiding and guiding to the outside of is similar to that of the previous embodiment, and since the baffle plate 18 'is loosely fitted to the slide shaft 15, it is caused by the friction between the inner surface of the switch case 11 and the outer circumference of the baffle plate 18'. The galling of the slide shaft 15 is prevented, and the operation of the slide switch S'can be made more reliable. Further, by dividing the outlet 21 'into a plurality of small holes, it is possible to effectively prevent foreign matter from entering the inside of the switch case 11 through the outlet 21'.

C. Effect of the Invention As described above, according to the present invention, foreign matter that has entered the switch case is positively discharged to the outside by the baffle plate provided on the slide shaft in front of the slide switch consisting of fixed and movable contacts. Therefore, it is possible to prevent foreign matter from entering or accumulating in the slide switch.

[Brief description of drawings]

1 to 6 show a first embodiment of the present invention. FIG. 1 is a front perspective view of a scooter type motorcycle equipped with the device of the present invention, and FIG. 2 (A) is a brake lever return. 2B is an enlarged plan view of the bar handle end when the brake lever is pulled, and FIG. 3 is a slide switch taken along the line III-III in FIG. 2B. FIG. 4 is an enlarged sectional view of the apparatus, FIG. 4 is a partial view taken along line IV-IV in FIG. 3, and FIG.
3 is a partial view taken along the line VV of FIG. 3, FIG. 6 is a stop lamp circuit diagram, FIGS. 7 to 10 show a second embodiment of the present invention, and FIG. 7 is the present invention. FIG. 8 is an overall side view of an oscillating tricycle equipped with a device, FIG. 8 is a plan view, FIG. 9 and FIG.
FIG. 10 is a sectional view of a slide switch device corresponding to FIGS. 3 and 4, and FIG. 11 is a partial sectional view of a conventional slide switch. S, S ′ …… Slide switch 11 …… Switch case, 13 …… Fixed contact, 14 …… Movable contact, 15 …… Slide shaft, 15 ₁ …… Outer end, 16 ……
Through hole, 18,18 ′ …… Baffle plate, 19 …… Discharge port

Claims (1)

[Scope of utility model registration request] 1. A slide for arranging a fixed contact (13) and a movable contact (14) constituting a slide switch (S, S ') in a switch case (11) and operating the movable contact (14). a shaft (15) slidable, comprising an outer end portion (15 _1), is projected to the outside through holes (16) opened in an end wall of the switch case (11) of the slide shaft (15) in the slide switch device, in the switch inside the case (11), the outer end than the movable contact (14) of the slide shaft (15) (15 ₁₎ close sites baffle plate of (18, 18 ') is provided, The baffle plate (18,
A slide switch device characterized in that foreign matter is guided and guided to a discharge port (19, 19 ') opened in a switch case (11) at 18').