JPS5835552Y2 - vehicle turn signal - Google Patents

Description

[Detailed description of the invention] This invention relates to a vehicle direction indicator used in industrial vehicles such as forklifts.The purpose of the invention is to make maintenance work extremely easy, reduce the number of parts, and simplify assembly. The purpose of the present invention is to provide a turn signal indicator for a vehicle.

An embodiment of the present invention will be described below with reference to the drawings.

Reference numeral 1 denotes a base member manufactured by, for example, zinc die-casting, which has a half-circular bottom plate part 3 extending integrally with one end of a half-cylindrical cover part 2, and a semicircular arc-shaped bottom plate part 3 extending from the bottom plate part 3. The band portion 4 is provided protrudingly, and the bottom plate portion 3 and the band portion 4 are connected to each other.
A fitting hole portion 5 into which a column tube (not shown) is fitted is provided, and the bottom plate is inserted from the hole 4b formed in the tongue portion 4a at the tip of the band portion 4 so as to face the shaped hole 4b. By screwing a bolt (not shown) into the threaded hole 3a formed in the part 3, the fitting hole part 5 is contracted in the radial direction and is fixed to the upper end of the outer periphery of the column tube (not shown). It looks like this.

Reference numeral 6 denotes a screw hole bored in the center of the band portion 4 so as to be orthogonal to the fitting hole portion 5.

Reference numeral 7 denotes a half-cylindrical machine frame made of zinc die-casting, for example, and a screw 9 is inserted into the screw hole 6 through a stepped hole 8 drilled in the side surface of the lower central part of the frame. The machine frame 7 is removably fixed to the base member 1 from the outer circumferential direction of a column tube (not shown).

The outer wall portion of the machine frame γ and the cover portion 2 cooperate to form a cylindrical outer shell concentric with a column tube (not shown).

Reference numeral 10 denotes a support member that protrudes inward from the center of the inner surface of the machine frame 7, that is, toward the base member 1, and a shaft portion 11 is protruded from the upper surface of the base end side of the support member. A screw hole 12 is bored in the center of the hole.

Reference numeral 13 denotes a convex portion protruding from the upper surface of the tip end of the support member 10, and three recesses 1 for articulation are provided on the surface facing the shaft portion 11.
3a to 13C are provided.

On the other hand, an upwardly open U-shaped notch 14 is formed in the outer wall of the machine frame 7 facing the shaft 11.

15. Reference numeral 15 denotes a support protrusion protruding from the inner surface of both ends of the machine frame γ, and a positioning protrusion 16 and a screw hole (not shown) are provided on the upper surface of the support protrusion at a predetermined interval. It is being

Reference numeral 17 denotes an operating lever whose shaft hole 18 is rotatably fitted into the shaft portion 11, and one end of which projects outward from the machine frame 7 through the cutout portion 14.

Reference numeral 19 denotes a horizontal hole 17 formed on the other end side of the operating lever 17.
This is a holder that is slidably inserted into the holder a, and this holder rotatably supports a roller 20 that selectively faces the recesses 13a to 13c at its tip, and is always biased in the direction of the protrusion 13 by a coil spring 21. has been done.

A convex portion 17b for operating a switch is provided protruding from the other end of the operating lever 17.

Now, 22 is a switch mounting plate made of plate material fixed to the inside of the machine frame 7 by screw holes formed in the support member 15.15 and three screws 23 to 25 screwed into the screw holes 12. The portion facing the shaft portion 11 is a bent portion 22a,
The shaft portion 1 is formed lower than other portions via 22b.
The operating lever 17 is fixed with a screw 24 so as to come into contact with the distal end surface of the shaft 11, so that the operating lever 17 cannot be removed from the shaft portion 11.

The switch mounting plate 22 is provided with positioning holes 16a, 16a through which the projections 16.16 are inserted, in addition to screw insertion holes through which the screws 23 to 25 are inserted.

26 and 27 are two microswitches serving as turn signal switches, and these have protrusions 26a and 27a for switching operation and lever members 26b and 27b for moving the protrusions 26a and 27a in and out, respectively. and
These microswitches 26 and 27 are fixed to the lower surface side of the switch mounting plate 22 so as to sandwich the operation lever 18, for example, by screwing, and the lever members 26b and 27b are attached to a convex portion 17b provided on the husband operation lever 17.
They are sandwiching them so that they are facing each other.

Reference numeral 28 denotes a holder made of an insulating material such as plastic, which has grooves 28a, 28a in the center of the side surface, and a substantially U-shaped matching groove 29 provided at one end of the switch mounting plate 22. The grooves 28a, 28a are fitted into the grooves 28a, 28a.

Reference numeral 28b designates an engaging claw that protrudes laterally from the holder 28 and has a claw portion 28c at its tip.
8C is engaged with an engagement hole 22a provided in the switch mounting plate 22, and the holder 28 is positioned and held in the engagement groove 29.

30. 30 is an insertion hole 28d provided in the holder 28,
Two horn contacts are provided on the 28d so as to be slidable up and down.
a prevents it from coming off upward, and is constantly biased upward by coil springs 31 and 31.

32° 32 is a terminal plate that also serves as a lid for closing the lower surfaces of the insertion holes 28d and 28d, and is fixed to the holder 28 with screws 33 and 33, and is provided with connecting portions 32a and 32a for connecting lead wires. ing.

Reference numeral 34 denotes a dustproof and waterproof bellows made of rubber or the like, and a protrusion 35 is provided around the notch 14 at one end.
The operating lever 17 is fitted into the opening and protrudes outward from a hole provided at the other end in a liquid-tight manner.

Reference numeral 36 denotes a partition plate made of, for example, a leaf spring and fitted into the upper part of the notch 14.

Although not shown, a steering wheel fixed to a steering shaft inserted through the column tube is positioned above the base member 1 and the machine frame 7, and the lower surface side of the steering wheel is positioned above the base member 1 and the machine frame 7. The horn contacts 30 and 30 described above are in sliding contact with two annular horn rings provided on the steering wheel, and a horn switch is provided in the center of the steering wheel to close the gap between the two horn rings. It is being

Further, the lead wires connected to the terminal plates 32, 32 are connected to the battery and the horn, and the lead wires from the microswitches 26, 27 are connected to the flasher unit and the left and right flasher lamps.

Next, the operation of this embodiment configured as above will be explained.

When the roller 20 provided on the holder 19 is engaged with the concave portion 13b of the convex portion 13 and the operating lever 17 is in the neutral state, both the microswitches 26 and 27 are in the off state.

When the operating lever 17 is rotated in the direction of the arrow R, the roller 20 is disengaged from the recess 13b and engaged with the recess 13c, and at the same time, the protrusion 17b moves the lever member 27b along the arrow a.
Since the microswitch 27 is closed by rotating the protrusion 27a in this direction, the flasher lamp on the right side is dimmed.

Also, when the operating lever 17 is rotated in the direction of the arrow,
At the same time when the roller 20 is disengaged from the recess 13b and engaged with the recess 13a, the protrusion 17b rotates the lever member 26b in the direction of the arrow to close the protrusion 26a, so that the flasher lamp on the left side is dimmed. be done.

In this way, according to this embodiment, the holder 28 can be attached by simply fitting into the fitting groove 29 of the switch mounting plate 22 from the lateral direction, and the claw portion 28C of the engaging claw 28b can be attached to the engaging hole 29.
Assembling is easy because reliable positioning and prevention of falling off can be achieved simply by engaging with 2a, and maintenance and replacement is easy since all that is required for removal is to remove the claw portion 28C from the engagement hole 22a. obtain.

As is clear from the above description, the present invention consists of a machine frame with a rotatable operating lever that is removably fixed to a base member from the outer periphery of a column tube with screws, and a switch mounting plate with a turn signal switch attached. is screwed to the machine frame and the switch mounting plate is used to hold and support the operating lever so that it does not come off in the axial direction.For example, when the turn signal switch breaks down and needs to be replaced. The machine frame can be removed from the base member along with the operating lever and switch mounting plate without removing the steering wheel, and malfunctioning turn signal switches, etc. can be easily replaced by subsequently removing the switch mounting plate from the machine frame. Maintenance work is extremely easy to perform, and since the switch mounting plate is effectively used to support the operating lever on the shaft and no separate parts are used, the number of parts can be reduced. It is possible to provide a vehicle turn signal that can be assembled easily in general.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a top view, FIG. 2 is a longitudinal sectional view taken along the line ■-■ in FIG. 1, and FIG.
The figure is a perspective view of the base member alone, and Figure 4 is IV- of Figure 2.
A bottom view of the main parts shown along line IV, FIG. 5 is a side view seen from the direction of arrow A in FIG. 1, and FIG.
FIG. 7 is a vertical cross-sectional view taken along the line, and FIG. 7 is a bottom view seen from the direction of arrow B in FIG. In the drawing, 1 is a base member, 7 is a machine frame, 11 is a shaft part, 17
22 is a switch mounting plate, 26 and 27 are micro switches (turn signal switches), 28 is a holder, and 30 is a horn contact.

Claims (1)

[Scope of utility model registration request] A base member that is fixed to the upper end of the column tube, a machine frame that is removably fixed to the base member by screwing from the outer circumferential direction of the column tube, and a rotating shaft that protrudes from the machine frame. An operating lever that can be fitted and supported, and a turn signal switch that is operated by rotation of the operating lever are attached, and the operating lever is attached to the machine frame with screws so that the operating lever cannot be pulled out from the shaft portion. A vehicle direction indicator comprising a switch mounting plate that is held down and supported so that it does not come off.