JPH0422032Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a cooling fan device for a radiator of a water-cooled internal combustion engine of a vehicle.

Prior Art A cooling fan device for a radiator that cools the cooling water of a vehicle's internal combustion engine is provided with a shroud that surrounds the cooling fan to improve cooling performance, and the fan blows cooling air toward the radiator. There is a format. When this type of cooling fan device is installed on a work vehicle, such as a chemical spraying vehicle that travels in an orchard, a considerable amount of dead leaves and dust are removed from the outside by the cooling fan along with the cooling air. These dusts and the like accumulate between the cooling fan and the radiator, which can quickly reduce the cooling effect. In order to recover from this problem, it is necessary to remove the dust that has accumulated between the cooling fan and the radiator, but the drawback is that dust removal is difficult because a shroud is provided around the cooling fan. It was hot. Particularly, when the cooling fan is placed in the engine compartment, the work becomes extremely difficult.

Problems to be Solved by the Invention Therefore, an object of the present invention is to provide a cooling fan device for a radiator of a vehicle that eliminates the drawbacks of the conventional device as described above and has a simple and convenient structure.

Means for Solving the Problems According to the present invention, there is provided a cooling fan that is disposed close to a radiator of a water-cooled internal combustion engine of a vehicle and is driven to blow air to the radiator; A cooling fan device for a vehicle radiator, which has a shroud that defines an air flow path between the fans, has a frame portion that divides the shroud into a plurality of shroud members along the diameter thereof and that slidably engage with each other. are integrally provided, and at least one of the plurality of shroud members is provided so as to be freely drawn outward in the radial direction of the shroud along the frame portion.

Effects According to the configuration of the present invention described above, when at least one of the divided shroud members is pulled outward, the side of the cooling fan is opened, and from there, dust accumulated inside the cooling fan device can be easily removed. When the shroud member is pulled out and pushed inward, the shroud members come together and perform the original shroud action.

Embodiment The illustrated embodiment is a device particularly suitable for a low-speed vehicle driven by a water-cooled internal combustion engine, such as a chemical spraying vehicle for orchards. The cooling fan device 2 is provided adjacent to the container 1. The radiator 1 constitutes a part of a device that is connected to a water jacket (not shown) of an internal combustion engine mounted on a vehicle body and circulates cooling water between them. The cooling fan device 2 is drivingly connected to the internal combustion engine and rotated;
It has a cooling fan 3 that blows air sucked in from the outside to the radiator 1, and a shroud 4 that is attached to the radiator 1 and defines a cooling air flow path between the radiator 1 and the cooling fan 3.

The shroud 4 has left and right flange portions 5 and 6.
The shroud 4 is fixed to the heat sink 1 by screws 7, and the shroud 4 is divided into two parts along a vertical plane passing approximately through the center of the cooling fan 3, and one half of the shroud part 8 is formed integrally. A movable shroud member 1 that is integrally formed with a fixed shroud member 9 and a shroud member 10 that is attached to the fixed shroud member 9 so that it can be slid laterally to the fixed shroud member 9 and pulled out to the outside, and that is the other half of the shroud 4.
1. The fixed shroud member 9 is integrally formed with an upper frame portion 12 and a lower frame portion 13 extending laterally in parallel at a position between the flange portions 5 and 6 and the shroud portion 8.
2 forms a groove 14 with a U-shaped cross section that opens downward as shown in circle A in FIG.
This groove 14 extends in the longitudinal direction of the upper frame portion 12. On the other hand, the lower frame portion 13 is connected to the groove 1 of the upper frame portion 12.
4, a groove 15 is formed which extends parallel to the longitudinal direction and has a U-shaped cross section that opens upward as shown in circle B in FIG.

The movable shroud member 11 has an upper frame portion 16 and a lower frame portion 1 extending laterally on its inner side surface.
7 are integrally formed. Movable shroud member 1
1 is the groove 14 of the upper frame part 12 and the groove 15 of the lower frame part 13 of the fixed shroud member 9 from the right end of the upper frame part 16 and the lower frame part 17 when viewed in FIG.
, and then slid further to the right in the grooves 14 and 15 so that the shroud section 8 of the fixed shroud member 9 and the shroud section 10 of the movable shroud member 11 form a complete shroud 4 .
The semicircular parts 18 and 19 of the shroud parts 8 and 10 then form a circular opening for the cooling fan 3.

Further, in the grooves 14 and 15, a filter member 20 is connected to the fixed shroud member 9 and the movable shroud member 1.
1, the screw 24 is inserted so as to be located between the movable shroud member 11 and the flange portion 22 of the filter member 20, and is threadedly engaged with the flange portion 23 of the fixed shroud member 9.
The movable shroud member 11 and the filter member 20 are integrally fixed to the fixed shroud member 9 by.

When removing dust accumulated in the space between the radiator 1 and the cooling fan 3 surrounded by the shroud 4, loosen the screws 24 and pull the movable shroud member 11 and the filter member 20 outward from the fixed shroud member 9. , thereby forming a relatively large opening on the left side of the cooling fan 3. A worker can easily and completely remove dust by inserting his/her hand into the interior through this opening.

In the embodiment described above, the movable shroud member 11 and the filter member 20 were configured to be pulled out to the left with respect to the fixed shroud member 9, but they could also be configured to be pulled out to the right, or the shroud could be divided into two vertically. It is also possible to form grooves in the fixed shroud member in the vertical direction so that the movable shroud member and the filter member can be pulled out upwardly or downwardly.

Effects of the Invention With the configuration described above, the present invention can extremely simply and easily remove dust accumulated in the air flow path between the radiator and the cooling fan surrounded by a plurality of shroud members. The air filter can be easily attached and detached from the shroud member, and the apparatus can be easily maintained and inspected.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an embodiment of a cooling fan device for a radiator of a water-cooled internal combustion engine of a vehicle according to the present invention, and FIG. 2 is an exploded perspective view of FIG. FIG. 1...Radiator, 2...Cooling fan device, 3...
Cooling fan, 4... Shroud, 8, 10... Shroud portion, 9, 11... Shroud member.

Claims (1)

[Scope of utility model registration request] A cooling fan 3 that is disposed close to a radiator 1 of a water-cooled internal combustion engine of a vehicle and is driven to blow air to the radiator 1, and air flow between the radiator 1 and the cooling fan 3. In a radiator cooling fan device 2 for a vehicle having a shroud 4 defining a path, the shroud 4 is divided into a plurality of shroud members 9 and 11 along its diameter, and the frame is slidably engaged with each other. Part 12, 13, 1
6 and 17 are integrally provided, and at least one of the plurality of shroud members 9 and 11 is connected to the frame portion 1.
2, 13, 16, 17 along the shroud 4
A cooling fan device for a radiator of a vehicle, characterized in that it is provided so as to be freely drawn out radially outward.