JP4165164B2 - Sub-radiator arrangement structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a sub-radiator arrangement structure, and more particularly to a sub-radiator arrangement structure arranged in a crushing stroke of a front end portion of a vehicle.
[0002]
[Background Art and Problems to be Solved by the Invention]
There is no vehicle with a sub-radiator on the front end side of the vehicle body, especially in the range of the crushing stroke, in the vehicle in which the crushing portion for shock absorption at the time of the collision is formed in the range of the crushing stroke from the front end of the vehicle body to the rear. .
This is because if the sub radiator is arranged in the range of the crushing stroke, the presence of the sub radiator may adversely affect the collision energy absorption performance in the crushing portion at the time of a vehicle collision.
[0003]
The present invention has been made paying attention to the above-mentioned conventional problems, and can be used to arrange a sub-radiator within the range of the collapse stroke without adversely affecting the collision energy absorption performance in the collapsed portion. An object of the present invention is to provide a radiator arrangement structure.
[0004]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, the sub-radiator arrangement structure according to claim 1 of the present invention is such that a first cross member and a second cross member are provided between the left and right side members at a predetermined interval from the front, respectively. In the vehicle in which the impact-absorbing crushing portion at the time is formed within a predetermined crushing stroke range between the first cross member and the second cross member,
A sub-radiator is disposed in a substantially horizontal state between the first cross member and the second cross member, with at least a part of the sub-radiator being within the range of the crushing stroke, and the sub-radiator has at least a rear end lower portion of the second cross member. The assembly means is arranged so as to be positioned above the upper surface of the member.
[0005]
The sub-radiator arrangement structure according to claim 2 of the present invention is the sub-radiator arrangement structure according to claim 1, wherein the sub-radiator is assembled in an inclined manner in a direction in which the front end side is lower than the rear end side. The means is characterized by being arranged.
[0006]
The sub-radiator arrangement structure according to claim 3 of the present invention is the sub-radiator arrangement structure according to claim 1 or 2, wherein the sub-radiator easily moves rearward due to an impact at the time of a vehicle collision of the mount portion of the sub-radiator. Thus, it is formed in a U-shaped bolt hole opening forward.
[0007]
Operation and effect of the invention
In the sub-radiator arrangement structure according to claim 1 of the present invention, as described above, the sub-radiator is in a substantially horizontal state in a state where at least a part of the first cross member and the second cross member covers the range of the crushing stroke. Since the sub-radiator is assembled and arranged so that at least the rear end lower part is located above the upper surface of the second cross member, when the impact at the time of the vehicle collision is transmitted to the sub-radiator, The movement to is not obstructed by the second cross member, and it is possible to move backward through it without difficulty.
Therefore, it is possible to obtain an effect that it is possible to arrange the sub-radiator within the range of the collapse stroke without adversely affecting the collision energy absorption performance in the collapse portion.
[0008]
The sub-radiator arrangement structure according to claim 2 of the present invention is the sub-radiator according to claim 1, wherein the sub-radiator is assembled and arranged in an inclined manner in a direction in which the front end side is lower than the rear end side. This makes it possible to effectively assemble and arrange sub radiators with a long front and rear length in a limited space in the front and rear direction.
In addition, by inclining the front end side of the sub-radiator in a direction lower than the rear end side, the cooling efficiency can be improved from the horizontal state in relation to the vehicle traveling direction and the position of the air intake port.
[0009]
The sub-radiator arrangement structure according to claim 3 of the present invention is the U-shaped opening structure according to claim 1 or 2, wherein the mounting portion of the sub-radiator opens forward so that the sub-radiator can easily move backward due to an impact at the time of a vehicle collision. By forming the bolt-shaped bolt hole, the reaction force when the sub-radiator moves rearward is reduced, and thereby the influence on the collision energy absorption performance at the collapsed portion can be further reduced.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a main part plan view showing a cab-over type vehicle to which a sub-radiator arrangement structure according to an embodiment of the present invention is applied. FIG. 2 is a vertical side view of the main part. A pair of left and right side members, 3 is a first cross member, 4 is a second cross member, 5 is a sub-radiator, 6 is an air conditioner condenser, 7 is a radiator, 8 is a front bumper, 9 is a front grille, and 10 is a floor panel.
[0011]
More specifically, an impact-absorbing collapse portion at the time of collision is formed in the range of the collapse stroke S in a portion ahead of the second cross member 4 in the pair of left and right side members 1 and 2.
The sub-radiator 5 is mostly located between the first cross member 3 and the second cross member 4 within the range of the crushing stroke S, and the rear end 5b side is located above the upper surface of the second cross member 4, The part 5c side is assembled and arranged in a state of being inclined in a direction lower than the rear end part 5b side.
[0012]
As shown in the plan view of FIG. 3, the mount 52 for assembling and fixing the sub-radiator 5 has a U-shape that opens forward F so that the sub-radiator 5 can easily move backward due to an impact at the time of a vehicle collision. The bolt hole 5a is formed.
The sub-radiator 5 is cooled by sucking air taken in from the opening 8a of the front bumper 8 through the opening 9a of the front grill 9 into the sub-radiator 5 by an electric fan 51 provided on the lower surface side of the sub-radiator 5. The hot air from the exchange is directly discharged to the lower part of the vehicle body.
[0013]
The air conditioner condenser 6 is arranged in a horizontal state at the rear position of the second cross member 4, and air taken in from the opening 9 a of the front grille 9 is supplied to the air conditioner condenser 6 by the electric fan 61 provided on the upper surface side thereof. The hot air is discharged directly below the vehicle body by heat exchange.
[0014]
The radiator 7 is arranged in a substantially vertical state behind the air conditioner condenser 6 and above the air conditioner condenser 6, and the air taken in from the opening 9 a of the front grill 9 is received by a fan 71 provided on the rear surface side. The radiator 7 is sucked and cooled.
[0015]
Next, operations and effects of the embodiment of the present invention will be described.
In the sub-radiator arrangement structure according to the embodiment of the present invention, as described above, the sub-radiator 5 is assembled and arranged within the range of the crushing stroke S between the first cross member 3 and the second cross member 4. However, since the rear end side is disposed above the upper surface of the second cross member 4 , when the impact at the time of the vehicle collision is transmitted to the sub-radiator 5, the movement to the rear is caused by the second cross member 4. Without being disturbed, it can be moved to the rear without difficulty.
Accordingly, the sub-radiator 5 can be disposed within the range of the crushing stroke S without adversely affecting the collision energy absorption performance in the crushing portion, thereby making it possible to effectively use the limited space. The effect of becoming like this is acquired.
[0016]
Further, as shown in the plan view of FIG. 3, the mount for assembling and fixing the sub-radiator 5 has a U-shape that opens forward so that the sub-radiator 5 can easily move rearward due to an impact at the time of a vehicle collision. Therefore, the reaction force when the sub-radiator 5 moves rearward is reduced, so that the influence on the collision energy absorption performance at the collapsed portion can be further reduced.
[0017]
Further, the sub-radiator 5 is located between the first cross member 3 and the second cross member 4 such that the rear end side is located above the upper surface of the second cross member 4 and the front end side is lower than the rear end side. By assembling and arranging in an inclined state, the space in the vertical direction is effectively used, and the sub-radiator 5 having a long front and rear is assembled and arranged between the limited first cross member 3 and second cross member 4 . Will be able to.
Further, by inclining the front end side of the sub-radiator 5 in a direction lower than the rear end side, the cooling efficiency can be improved from the horizontal arrangement state in relation to the vehicle traveling direction and the position of the air intake port. Become.
[0018]
Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments.
For example, in the embodiment of the invention, the sub-radiator 5 is assembled and arranged in a state where the front end side is inclined in a direction lower than the rear end side, but may be arranged in a horizontal state.
[Brief description of the drawings]
FIG. 1 is a plan view of an essential part showing a cab over type vehicle to which a sub-radiator arrangement structure according to an embodiment of the present invention is applied;
FIG. 2 is a vertical sectional side view showing a main part of a cab-over type vehicle to which the sub-radiator arrangement structure of the embodiment of the invention is applied.
FIG. 3 is a plan view showing a sub-radiator according to the embodiment of the invention.
[Explanation of symbols]
S Collapse stroke 1 Side member 2 Side member 3 First cross member 4 Second cross member 5 Sub-radiator 5a Bolt hole 5b Rear end 5c Front end 51 Electric fan 52 Mount part 6 Air conditioner condenser 61 Electric fan 7 Radiator 71 Fan 8 Front bumper 8a Opening Part 9 Front grille 9a Opening

Claims (3)

A first cross member and a second cross member are provided between the left and right side members from the front with a predetermined gap between them, and a crash absorbing crushing portion at the time of collision is predetermined between the first cross member and the second cross member. In vehicles formed within the stroke range,
A sub-radiator is disposed in a substantially horizontal state between the first cross member and the second cross member, with at least a part of the sub-radiator being within the range of the crushing stroke, and the sub-radiator has at least a rear end lower portion of the second cross member. A sub-radiator arrangement structure, wherein the sub-radiator is arranged so as to be positioned above the upper surface of the member.   2. The sub-radiator arrangement structure according to claim 1, wherein the sub-radiator is assembled and arranged in an inclined manner in a direction in which a tip end side thereof is lower than a rear end side.   The mounting portion of the sub-radiator is formed in a U-shaped bolt hole that opens forward so that the sub-radiator can easily move backward due to an impact at the time of a vehicle collision. Sub-radiator arrangement structure.

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