JPH0611235Y2 - Headlight device for cultivators etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an improvement of a front irradiation device in a cultivator or the like.

(B) Conventional technology As shown in FIG. 5, a conventional front irradiation device in a tiller or the like is equipped with a light (10) that includes a translucent plate and is independent of the bonnet (12). Most of them are mounted in a recessed state from the front, but in some cases, the reflector of the light and the irradiation lens are separated and the reflector is installed on the bonnet side, and the irradiation lens is mounted on the front of the bonnet. (See Japanese Utility Model Laid-Open No. 58-23738)
Alternatively, a tubular cover for covering the light mounted on the front part of the engine is formed with a light-transmitting plate from the front edge to the lower edge so as to illuminate the lower foot (see Japanese Utility Model Publication No. 49-14461). Also seen.

(C) Problems to be solved by the invention In the conventional technology shown in FIG. 5, the irradiation range is limited to a narrow range in front of the machine as indicated by the broken line in the figure, and is necessary in the field cultivator and the like. It was not possible to irradiate the ground just in front of the wheel and the left and right sides of the aircraft.

Also, in the former publication, the translucent lens is not recessed from the front edge of the bonnet, so the irradiation range in front of the aircraft is somewhat wider than the former, but the ground and aircraft in front of the wheels and the aircraft It was the same as that shown in FIG. 5 in that it was not possible to irradiate the left and right sides of the.

In that respect, the latter publication is intended to illuminate the lower part of the foot with a light mounted on the front of the engine, which is more convenient as an irradiation device for cultivators and the like than the former two. However, since the lower edge of the cylindrical cover, which protrudes to the most distal end in the direction of travel of the machine, is formed of a light-transmitting plate, that portion is exposed to other objects. However, there was a problem that accidents such as damage to the translucent plate by touching other objects during operation were likely to occur.

(D) Means for Solving the Problems The present invention has been made in view of the above-mentioned conventional state of the art, and its purpose is not only to the front of the aircraft but also to the ground and left and right in front of the wheels. It is an object of the present invention to provide a front irradiation device for a cultivator or the like, which is a irradiation device that can also perform side irradiation, but is robust and does not cause an accident such as being damaged by touching another object during operation of the airframe.

In order to achieve this object, the front irradiation device according to the present invention has a notch opening so that the entire width of the front surface 18 of the bonnet 16 in the left-right direction and a part of the left and right side surfaces 20, 22 are U-shaped in a side view. The translucent plate 26 is fitted into the notch opening 24 so as to be closed, and the reflecting mirror 42 and the light bulb 2 located in front of the translucent plate 26 are provided in the hood behind the translucent plate 26.
8 is a front irradiation device configured to accommodate and install a light L composed of 8 and a light-transmitting plate 26 that closes the front and left and right side portions of the cutout opening portion 24 is formed as a single piece. The rear end portions of the left and right side surfaces of the plate 26 and the cutout opening 24
The rear end portion 24a is located rearward of the front left and right side ends of the reflecting mirror 42 in plan view, and the light transmitting plate 26 and the reflecting mirror 42 arranged near the rear edge of the cutout opening 24 are used to form the electric bulb 28. The housing portion is formed so that the irradiation by the reflecting mirror 42 is performed from the entire area of the front surface and the left and right side surfaces of the translucent plate 26.

(E) Action and Effect of the Invention Since the front irradiation device in the present invention is configured as described above, the light from the light is simultaneously emitted from the right and left side portions 26a and 26b of the translucent plate 26. By being illuminated, the ground and right and left sides in front of the wheels, which are necessary for the tiller and the like, are well illuminated by the illumination light from the left and right side portions, and safe and efficient lighting operation can be achieved.

And, in addition to the front irradiation from the front front width, while being an irradiation device that can also irradiate the ground in front of the wheels and the left and right sides,
The translucent plate 26 is fitted into the cutout opening 24 having a U-shape in a side view, and the periphery is surrounded by the bonnet forming member and is firmly fixed to the bonnet forming member, so that the translucent plate 26 is robust in the assembled state. It has good properties and is protected from contact with other things.

(F) Embodiment Next, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of the device of the present invention, FIG. 2 is a plan view of a main portion thereof, FIG. 3 is a sectional view taken along line IV-IV of FIG. 2, and FIG. 4 is a sectional view taken along line VV of FIG. FIG. 5 is an explanatory view showing one of the conventional examples.

In FIGS. 1 to 4, 16 is a bonnet of a tiller, 14 is an upper surface of the bonnet, 18 is a front surface of the bonnet, 20 and 22 are left and right side surfaces of the bonnet, and the upper portion of the front surface 18 covers the entire width. The left and right ends thereof are curved and connected to the left and right side surfaces 20 and 22, and the upper surface 14 is connected above the front edge 18 and the left and right side surfaces 20 and 22.

A notch opening 24 having a U-shape in a side view is formed in the entire width in the left-right direction of the rearwardly inclined portion of the front surface 18 of the bonnet 16 and a part of the left and right side surfaces 20, 22. Translucent plate 2 over the entire left and right sides of the inclined part and the left and right sides
6 is fitted and equipped.

That is, the translucent plate 26 is composed of a front surface portion 26c that extends over the entire width of the front surface of the bonnet, and left and right side surface portions 26a and 26b that are bent backward from both ends of the front surface portion 26c and are integrally connected to each other. In this state, the outer surfaces of the front surface portion and the left and right side surface portions coincide with the outer surface of the bonnet 16.

The translucent plate 26 is provided with a lens portion 30, a vertical extension portion 34 of the lens portion, and a tubular projection portion 36 integrally provided on the back surface of the lens portion. , The light bulb of light L is surrounded.

Further, the translucent plate 26 is overlapped with the inner surface of the bonnet at the peripheral edge of the cutout opening 24 at the upper and lower extension portions, and the side surface 2 of the bonnet 16 is provided at the left and right side surface portions 26a and 26b.
It can be stopped with screws 38 at 0 and 22.

The light L is located behind the translucent plate 26. This light L comprises a light bulb 28, a socket 40, and a reflecting mirror 42, and a front end edge 42a of the reflecting mirror 42 transmits light in front of the rear end edge 24a of the cutout opening 24, as shown in FIG. It is located rearward of the front surface portion 26c of the plate, and allows side irradiation from the left and right side surface portions 26a and 26b of the translucent plate.

In other words, the rear end edge 24a of the cutout opening 24 and the rear end portions of the left and right side surfaces of the translucent plate 26 fitted to the edge portion are located behind the front left and right side edges of the reflecting mirror 42 in plan view. Position to,
Irradiation by the reflecting mirror 42 is performed from the entire area of the front surface and the left and right side surfaces of the translucent plate 26.

The light bulb 28 of the light L is located directly behind the lens portion 30 and in front of the reflecting mirror 42, and the reflecting mirror 42 covers the cylindrical projection 36 of the translucent plate and is fitted to the peripheral edge of the cylindrical reinforcing projection. Has been done.

The light L is fixed by locking the lower protruding piece 44 of the reflecting mirror 42 to the beam member 46 connecting the left and right side surfaces 20 and 22 of the bonnet with bolts and nuts 48, and
Below the light transmitting plate 26 and the light L, an under plate 50 is located which is fastened and fixed to the beam member 46 together by the bolts and nuts 48.

The under plate 50 has an area enough to cover the lower portion of the translucent plate 26, and has an upper surface coated with a light-reflecting paint.
Also, the lower part of the light L is protected, intrusion of muddy water and dust from below is prevented, and light leakage to the lower part is prevented.

[Brief description of drawings]

FIG. 1 is a perspective view of the device of the present invention, FIG. 2 is a plan view of a main portion thereof, FIG. 3 is a sectional view taken along line IV-IV of FIG. 2, and FIG. 4 is a sectional view taken along line VV of FIG. FIG. 5 is an explanatory view of a conventional structure. 16 ... Bonnet, 18 ... Front 20, 22 ... Left and right side, 24 ... Notch opening 24a ... Rear edge of notch 26 ... Translucent plate 26a, 26b ... Left and right side of translucent plate part

Claims (1)

[Scope of utility model registration request] 1. A notch opening is formed in a lateral width of a front surface (18) of a bonnet (16) and a part of left and right side surfaces (20) (22) so as to have a U-shape in a side view, and the notch opening ( A light-transmitting plate (26) is fitted in a state where the light-shielding plate (24) is closed, and a light (comprising a reflector (42) and a light bulb (28) located in front of the mirror (42) is installed in the hood behind the light-transmitting plate (26). L) is a front irradiation device configured to be housed and installed, wherein a light-transmitting plate (26) for closing the front and left and right side surfaces of the cutout opening (24) is formed in one piece, and the light-transmitting plate is formed. Board
The rear end portions of the left and right side portions of (26) and the rear end portion (24a) of the cutout opening portion (24) are located rearward of the front left and right side ends of the reflecting mirror (42) in plan view, The transparent plate (26) and the notch opening
(24) A light bulb (28) housing is formed with a reflector (42) arranged near the rear edge of the translucent plate (26) so that the light from the entire area of the front and left and right side portions of the translucent plate (26) is illuminated by the reflector (42). A front irradiation device such as a tiller characterized by being performed.