JP2015185324A - transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve visibility and heat dissipation of a headlight by reducing restrictions related to size and shape of the headlight and also enlarging an area of a reflector.SOLUTION: A riding-type rice transplanter 1 has a headlight 15 at a front end part of a hood cover 14 disposed at a front part of a machine body. The headlight 15 includes: a light source 18; a reflector 19 to reflect light of the light source 18; and a light-transmissive light cover 20 to cover the light source 18 and the reflector 19. A front end on an outer surface of the reflector 19 is extended forward beyond a front end of the hood cover 14.

Description

  The present invention relates to a transplanter such as a riding rice transplanter.

  Generally, a transplanter such as a riding rice transplanter has a headlight at the front end of a bonnet cover provided at the front of the machine body. For example, the riding rice transplanter disclosed in Patent Document 1 includes a pair of left and right headlights at the front end of the bonnet cover, and a breathable center cover is disposed between the left and right headlights.

JP 2013-74808 A

  In recent years, the space for headlights in the hood cover tends to decrease due to the increase in engine capacity and the change in the front-rear position of the engine as the engine capacity increases. For this reason, not only is the size and shape of the headlight limited, but also a sufficient area of the reflector cannot be secured, resulting in a problem that the visibility and heat dissipation of the headlight are reduced.

  In addition, the headlight is provided with a translucent light cover that covers the light source and the reflector, and most of the light emitted from the light source passes through the light cover and illuminates the front of the aircraft. Had a problem of being lost due to reflection on the inner surface of the light cover.

  The visibility of the headlight can be improved by arranging a plurality of light sources in one headlight. However, if a plurality of light sources are arranged in one headlight, not only the cost increases, There was a problem that the calorific value increased.

The present invention was created for the purpose of solving these problems in view of the above circumstances, and in the transplanter provided with a headlight at the front end of the bonnet cover provided at the front of the aircraft, the head The light has a light source, a reflector that reflects light from the light source, and a translucent light cover that covers the light source and the reflector. It is characterized by.
Further, the reflector includes two or more light accommodating portions, and the light source is disposed in at least one light accommodating portion, while at least one other light accommodating portion emits light in a pseudo manner by light reflection. A dummy light composed of a reflecting mirror is disposed, and a light guide path for guiding the light of the light source reflected on the inner surface of the light cover to the dummy light is provided.

According to the first aspect of the present invention, since the front end of the outer surface of the reflector is extended to the front of the front end of the bonnet cover, the headlight can be arranged using the front space of the bonnet cover. In addition to reducing restrictions on the size and shape of the head, it is possible to increase the area of the reflector and improve the visibility and heat dissipation of the headlight.
According to a second aspect of the present invention, the reflector includes two or more light accommodating portions, and at least one light accommodating portion is provided with a dummy light composed of a reflecting mirror, and the light from the light source is applied to the dummy light. Since it is induced to emit light in a pseudo manner, not only light loss can be suppressed, but also the number of light sources can be reduced to reduce the cost, and further, the amount of heat generated by the headlight can be suppressed.

It is a side view of a riding rice transplanter. It is a top view of a riding rice transplanter. (A) is a side view (bonnet cover imaginary line) showing the front part of the passenger rice transplanter, and (b) is a plan view (bonnet cover imaginary line) showing the front part of the passenger rice transplanter. (A) is a side view (no bonnet cover) showing the front part of the riding rice transplanter, (b) is a plan view (no bonnet cover) showing the front part of the riding rice transplanter. It is a perspective view of a bonnet cover. (A) is a front view of a bonnet cover, (b) is a rear view of a bonnet cover. It is a side view of a bonnet cover. It is a top view of a bonnet cover. It is a bottom view of a bonnet cover. (A) is a front view of the headlight, (b) is a side view of the headlight, (c) is a front view of the headlight (without a light cover), and (d) is a side view of the headlight (without a light cover). is there. (A) is a plan view of the headlight, (b) is a perspective view of the headlight, (c) is a plan view of the headlight (without a light cover), and (d) is a perspective view of the headlight (without a light cover). is there. (A) is a front view of a headlight, (b) is XX sectional drawing of a headlight.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. 1 and 2, reference numeral 1 denotes a riding rice transplanter (transplanter). The riding rice transplanter 1 is connected to a traveling machine body 2 and a rear part of the traveling machine body 2 through a lifting link mechanism 3 so as to be movable up and down. The planting work unit 4 is provided.

  The traveling machine body 2 includes an engine E (see FIGS. 3 and 4) mounted on the front of the machine body, a transmission case 5 for shifting engine power, a front axle case (not shown) for supporting the front wheels 6, and a rear wheel 7. A rear axle case 7a to be supported, a driving unit 8 on which an operator gets on, a side step 9 that enables movement on the fuselage, a main step 10, and a rear step 11 are provided.

  As shown in FIGS. 3 and 4, an engine mounting portion 12 on which the engine E is mounted is configured at the front of the body. The engine E of the present embodiment is an air-cooled gasoline engine, and the power is input to the transmission case 5 via the transmission belt 13. Further, the front, upper side, and both left and right sides of the engine mounting portion 12 are covered with a bonnet cover 14, and when the bonnet cover 14 is opened / closed or attached / detached, the engine mounting portion 12 is opened and maintenance of the engine E and the like is performed. Can be performed.

  As shown in FIGS. 5 to 9, the bonnet cover 14 has a front surface portion 14 a that covers the front of the engine mounting portion 12, an upper surface portion 14 b that covers the upper portion of the engine mounting portion 12, and left and right sides of the engine mounting portion 12. The side part 14c which covers is integrally provided, and the opening parts 14d and 14e are formed in the front part 14a and the side part 14c, respectively.

  The opening 14d of the front surface portion 14a is formed to be wide in the left-right direction, and a pair of left and right headlights 15 are provided at both left and right ends, and a center cover 16 having air permeability between the left and right headlights 15 is provided. Provided. For example, the headlight 15 of the present embodiment is fitted into the opening 14d from the inside of the bonnet cover 14 together with the center cover 16, and is fixed to the bonnet cover 14 at a plurality of locations. The side surface portion 14c is formed with a plurality of openings 14d, and each opening 14d is covered with a side cover 17 having air permeability.

  Next, the headlight 15 which is a main part of the present invention will be described with reference to FIGS.

  As shown in FIGS. 10 to 12, the headlight 15 includes a light source 18 such as a halogen lamp, a reflector 19 that reflects light from the light source 18, and a translucent light cover 20 that covers the light source 18 and the reflector 19. It is prepared for.

  The reflector 19 of the present embodiment has light accommodating portions 19a and 19b in which the light source 18 and the like are arranged in two upper and lower stages. Each light accommodating part 19a, 19b is a concave part having a square shape (diamond) when viewed from the front, and reflects the light of the light source 18 disposed therein to the front. The upper and lower two-stage light accommodating portions 19a and 19b are integrally connected via the outer surface 19c of the reflector 19 and the like, and the bonnet cover 14 is connected via a plurality of mounting portions 19d projecting from the rear end portion of the reflector 19. Fixed to.

  The outer surface 19c of the reflector 19 protrudes forward from the left and right ends of the opening 14d formed in the front surface portion 14a of the bonnet cover 14, and its front end is an outer edge of the front end of the bonnet cover 14 as shown in FIG. It extends further forward than the lower edge of the front end. In this way, since the headlight 15 can be arranged using the space in front of the bonnet cover 14, not only can the restrictions on the size and shape of the headlight 15 be reduced, but also the area of the reflector 19, particularly the area of the outer surface 19c. And the visibility and heat dissipation of the headlight 15 can be improved.

  In the headlight 15 of the present embodiment, the light source 18 is disposed in the lower light housing portion 19b, while the upper light housing portion 19a has a reflecting mirror (for example, a convex mirror or a plane mirror) that emits light by reflection of light. ) Is disposed. Here, the direction of the reflecting surface of the dummy light 21 is set so as to reflect the light of the light source 18 to the front of the aircraft, but if it is not perpendicular to the ground and is inclined downward by a predetermined angle, the reflected light is reflected. Can illuminate the ground. Also, as shown in FIG. 12, a light guiding path that guides the light of the light source 18 reflected on the inner surface of the light cover 20 to the dummy light 21 between the upper light accommodating portion 19a and the lower light accommodating portion 19b. K is formed. For example, a reflection surface that reflects light irradiated upward from the light source 18 at an angle close to total reflection is provided on the inner surface of the light cover 20, and the dummy light 21 is irradiated with the light reflected here to simulate the dummy light 21. To emit light.

  That is, in order to improve the visibility of the headlight 15 by configuring the reflector 19 with two or more light housing portions 19a and 19b, the dummy light 21 made of a reflecting mirror is disposed in one light housing portion 19a, and Since the light from the light source 18 is guided to the dummy light 21 and is emitted in a pseudo manner, not only light loss can be suppressed, but the number of the light sources 18 can be reduced and the cost can be reduced. Can also be suppressed.

  Incidentally, in the present embodiment, as shown in FIG. 12 (b), the front surface portion of the reflector 19 is inclined to the front, rear, and rear height, that is, lower than the lower front end position 19e of the lower light accommodating portion 19b. The upper front end position 19f of the light accommodating portion 19b is located on the rear side, the lower front end position 19g of the upper light accommodating portion 19a is located on the rear side relative to the upper front end position 19f of the lower light accommodating portion 19b, and the upper light accommodating portion The dummy light 21 is positioned rearward of the lower front end position 19g of the portion 19a, the upper front end position 19h of the upper light receiving portion 19a is positioned rearward of the dummy light 21, and the reflector 19 The inner surface of the light cover 20 that faces the front surface portion of the front surface portion with a predetermined distance has a front-rear and rear-high slope. Thereby, light A1, A2, A3 irradiated upward from the light source 18 is reflected on the inner surface of the light cover 20 and reaches the dummy light 21 to cause the dummy light 21 to emit light in a pseudo manner. Further, as shown in FIG. 12A, the light guided from the light source 18 to the dummy light 21 is not limited to the light in the A direction, but includes light in the B direction and the C direction diffused to the left and right.

  In the headlight 15 of the present embodiment, two light storage portions 19a and 19b are provided in providing at least one dummy light 21, but the number of light storage portions 19a and 19b may be three or more. Good. Further, the number of light sources 18 and dummy lights 21 is not limited to one, and two or more light sources 18 and dummy lights 21 may be provided.

  According to the present embodiment configured as described, in the riding rice transplanter 1 including the headlight 15 at the front end of the bonnet cover 14 provided at the front of the aircraft, the headlight 15 includes the light source 18 and the light of the light source 18. Since the light source 18 and the translucent light cover 20 that covers the reflector 19 are provided, and the front end of the outer surface of the reflector 19 extends forward from the front end of the bonnet cover 14, the bonnet cover The headlight 15 can be arranged using the front space 14, and as a result, not only can the restrictions on the size and shape of the headlight 15 be reduced, but also the area of the reflector 19 can be enlarged to improve the visibility and heat dissipation of the headlight 15. Can be improved.

  Further, the reflector 19 includes two or more light accommodating portions 19a and 19b, and the light source 18 is disposed in at least one light accommodating portion 19b, while at least one other light accommodating portion 19a reflects light. A dummy light 21 composed of a reflecting mirror that emits light in a pseudo manner is disposed, and further, a light guide path K that guides the light of the light source 18 reflected on the inner surface of the light cover 20 to the dummy light 21 is provided. , 19b, the light loss can be suppressed, the number of the light sources 18 can be reduced, the cost can be reduced, and the amount of heat generated by the headlight 15 can also be suppressed.

DESCRIPTION OF SYMBOLS 1 Riding rice transplanter 2 Traveling machine body 12 Engine mounting part 14 Bonnet cover 15 Headlight 16 Center cover 18 Light source 19 Reflector 19a Light accommodating part 19b Light accommodating part 19c Outer side surface 20 Light cover 21 Dummy light K Light guide path

Claims (2)

In the transplanter equipped with a headlight at the front end of the bonnet cover provided at the front of the aircraft,
The headlight is
A light source;
A reflector that reflects the light of the light source;
A light-transmitting light cover covering the light source and the reflector,
A transplanter characterized in that the front end of the outer surface of the reflector extends forward from the front end of the bonnet cover. The reflector is configured with two or more light receiving portions,
While disposing the light source in at least one light receiving portion,
In at least one other light receiving portion, a dummy light composed of a reflecting mirror that emits light in a pseudo manner by reflection of light is disposed,
The transplanter according to claim 1, further comprising a light guide path for guiding light of the light source reflected on the inner surface of the light cover to the dummy light.

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