| 主权项 |
1. A water pump mounting structure comprising:
a water pump cover to rotatably support a pump driving shaft of an actuator, the water pump cover being provided with the actuator; and a water pump housing defining a pump chamber to contain an impeller connected to the pump driving shaft, the water pump housing being connected with the water pump cover at a joint face of the water pump housing, the water pump housing comprising:
an upper extending portion provided on an upper side of an intermediate pump chamber and extending to an opposite side of the water pump cover with respect to the joint face, the upper extending portion including an upper mounting face provided to be in contact with a side wall of an engine body of an internal combustion engine when a water pump is mounted on the side wall of the engine body, the upper mounting face being substantially perpendicular to the joint face, the upper extending portion comprising:
a first upper fastening portion to be fastened to the side wall of the engine body with a bolt, the first upper fastening portion being provided at an extension end of the upper extending portion; anda second upper fastening portion to be fastened to the side wall of the engine body with a bolt, the second upper fastening portion being provided between the first upper fastening portion and the pump driving shaft; anda lower extending portion provided on a lower side of the intermediate pump chamber and extending to an opposite side of the water pump cover with respect to the joint face, the lower extending portion including a lower mounting face provided to be in contact with the side wall of the engine body when the water pump is mounted on the side wall of the engine body, the lower mounting face being substantially perpendicular to the joint face, the lower extending portion comprising:
a first lower fastening portion to be fastened to the side wall of the engine body with a bolt, the first lower fastening portion being provided at an extension end of the lower extending portion; anda second lower fastening portion to be fastened to the side wall of the engine body with a bolt, the second lower fastening portion being provided linearly between the first lower fastening portion and the pump driving shaft, wherein the second upper fastening portion and the second lower fastening portion are respectively disposed closer to the pump driving shaft than the first upper fastening portion and the first lower fastening portion both in a right-left direction and in an up-down direction when viewed in a front-rear direction. |
