Cabin for work vehicle

摘要

A cabin for a work vehicle comprises: a driver's seat positioned within the cabin; cabin frames including at least a transverse frame located in a rear region of the cabin; a roof supported by at least some of the cabin frames; at least one air-conditioning duct located within the roof; an air-conditioning unit located rearwardly with respect to a rearward end of a seat portion of the driver's seat and adjacent the transverse frame for conditioning air and for feeding air-conditioned air into the at least one air-conditioning duct.

主权项

1. A cabin for a work vehicle having an air-conditioning duct (15) extending through a roof (7), the cabin comprising:
an outer roof (13) and an inner roof (14) defining a space (a) therebetween; an ambient air feed opening (13C) and an ambient air intake opening (13B) that are defined in the outer roof (13), the ambient air intake opening (13B) drawing in ambient air toward the ambient air feed opening (13C); a circulation opening (14A) defined in the inner roof (14) for drawing in air within the cabin; a driver's seat (12) positioned below the inner roof (14); an air conditioning unit (A) located rearwardly of the driver's seat (12); a right front vertical frame (2) and a left front vertical frame (2); a right rear vertical frame (2) and a left rear vertical frame (2); and an annular upper frame (6) extending over respective upper ends of the right front vertical frame (2), the left front vertical frame (2), the right rear vertical frame (2) and the left rear vertical frame (2), the annular upper frame (6) including:
a front transverse frame portion (6E) extending between the right front vertical frame (2) and the left front vertical frame (2);a right fore-and-aft frame portion (6A) extending over the respective upper ends of the right front vertical frame (2) and the right rear vertical frame (2);a left fore-and-aft frame portion (6A) extending over the respective upper ends of the left front vertical frame (2) and the left rear vertical frame (2); anda rear transverse frame portion (6B) extending between the respective upper ends of the right rear vertical frame (2) and the left rear vertical frame (2), the rear transverse frame portion (6B) projecting rearwardly from the right rear vertical frame (2) and the left rear vertical frame (2); wherein the air conditioning unit (A) is housed within the space (a); wherein the rear transverse frame portion (6B) has a U-letter form as seen from above, and the air conditioning unit (A) is arranged inside the U-letter form of the rear transverse frame portion (6B) and rearwardly of the driver's seat (12); wherein the air-conditioning duct (15) has a blow-off opening (15a) for blowing off conditioned air arranged forwardly of the driver's seat (12); wherein each of the right front vertical frame (2) and the left front vertical frame (2) is curved to project forwardly relative to a vehicle body, and the respective upper ends of the right front vertical frame (2) and the left front vertical frame (2) are positioned rearwardly of respective lower ends of the right front vertical frame (2) and the left front vertical frame (2); wherein the front transverse frame portion (6E) is curved to project upward relative to the vehicle body such that a center position of the front transverse frame portion (6E) is located at a higher level than the respective upper end of the right front vertical frame (2) and the left front vertical frame (2); and wherein a windshield (25) of the cabin is surrounded by the right front vertical frame (2), the left front vertical frame (2) and the front transverse frame portion (6E).