JP2005206060A - Air guide structure of vehicular heat exchanger - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate mounting/dismounting work for air guides while maintaining cooling performance of a heat exchanger at a desired level. <P>SOLUTION: This air guide structure is provided with air gap 15 disposing piping 17 or other members between a vehicle body front member 9 and a radiator 13, and provided with an air guide 27 covering the outside of the air gap 15 and guiding the air into the radiator 13. The air guide 27 can be displaced to a state contracted in the vehicle longitudinal direction in the air gap 15, and a regular mounting state where the vehicle front member 9 and the radiator 13 are connected with extending from the contracted state to the vehicle longitudinal direction. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an air guide structure for a heat exchanger for a vehicle that includes an air guide that guides air to a heat exchanger at the front of a vehicle body.

In a conventional air guide structure for a heat exchanger for a vehicle, an air guide is integrally mounted on both sides in the vehicle width direction of a radiator, which is a heat exchanger, to ensure the amount of air to the radiator (for example, Patent Document 1 below) reference).
JP 2002-286392 A (FIG. 1)

  By the way, in the above-described conventional air guide structure, as shown in FIG. 4A, since there is another member 5 such as a pipe between the radiator 1 and the vehicle body front end member 3 in front of the vehicle, the air guide 7 A notch 7a is provided on the front side of the vehicle body (left side in the figure) to form a U shape. For this reason, when installing / removing the air guide 7 that is integrated with the radiator 1, it is necessary to tilt the radiator 1 into the engine room at the rear of the vehicle body. Invite.

  Further, in general, in fuel cell vehicles, since auxiliary devices are arranged in the motor room, a large radiator for improving the cooling performance is used in addition to the space behind the radiator not much. Work such as removing auxiliary equipment is required, and workability is further deteriorated.

  Considering the mounting / removing workability described above, as shown in FIG. 4 (b), the air guide 7 is provided with a notch 7b that opens the lower side instead of the notch 7a of FIG. 4 (a). It can be considered to be a letter shape.

  However, in this case, since the air guide 7 is L-shaped, a large gap is generated on the side surface, and the air cannot be efficiently sent to the radiator 1. In battery vehicles, there is a current situation in which no air can be wasted.

  Therefore, an object of the present invention is to facilitate the attachment / detachment of the air guide while maintaining the desired cooling performance of the heat exchanger.

  The present invention includes a gap for arranging other members such as piping between a member at the front of the vehicle body and the heat exchanger, and an air guide for covering the outside of the gap and guiding the air to the heat exchanger. The air guide is contracted in the front-rear direction of the vehicle body in the gap, and a normal mounting state that extends in the front-rear direction of the vehicle body from the contracted state to connect the member of the front part of the vehicle body and the heat exchanger. The main feature is that it is displaceable.

  According to the present invention, when there is another member such as a pipe on the front side of the vehicle body of the heat exchanger, the air guide is attached to the gap between the member on the front portion of the vehicle body and the heat exchanger in a contracted state. / While performing the removal work, it can be brought into a normal mounting state by extending it from the contracted state in the longitudinal direction of the vehicle body, so that air can be efficiently sent to the heat exchanger while maintaining the airtightness of the air guide. On the other hand, the workability of attaching / detaching the air guide can be improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a simplified side view showing an air guide structure of a heat exchanger for a vehicle according to the present invention, and shows an installation work procedure of the air guide 9 in (a) to (c). In the drawing, the direction indicated by the arrow FR is the front side of the vehicle body.

  A radiator 13 as a heat exchanger is installed in the motor room 11 on the vehicle body rear side of the member 9 at the front of the vehicle body. The radiator 13 is arranged so that the lower end portion is positioned close to the member 9 at the front portion of the vehicle body at a predetermined interval, and the upper end portion is inclined so as to be located on the rear side of the vehicle body with respect to the lower end portion. Thereby, a gap 15 is formed between the member 9 at the front of the vehicle body and the radiator 13, and the lower part is narrow and the upper part is wide. A pipe 17 is disposed in the gap 15.

  A lower panel 19 of the vehicle body extends from the lower end of the member 9 at the front of the vehicle body toward the rear of the vehicle body, and a support body 21 that supports the radiator 13 is fixed on the lower panel 19. The support body 21 includes a bottom portion 21a on which the radiator 13 is placed, and a rising portion 21b that is bent upward from the bottom portion 21a and supports the lower back surface of the radiator 13, and the bottom portion 21a has a vehicle body front side on the rear side. On the other hand, it is located above and protrudes forward from the radiator 13, and the front end is fixed to the member 9 at the front of the vehicle body.

  As shown in FIG. 2 which is a top view of FIG. 1C, the upper portion of the radiator 13 is fixed via a bracket 25 to a support arm 23 extending rearward from the member 9 at the front of the vehicle body. Note that the support arm 23 and the bracket 25 are omitted in FIG.

  As shown in FIGS. 1C and 2, an air guide 27 that covers the outside of the gap 15 and guides air to the radiator 13 is provided between the radiator 13 and the member 9 at the front of the vehicle body. Yes.

  As shown in a perspective view in FIG. 3, the air guide 27 includes a rectangular upper surface portion 29 a that covers the upper portion of the gap 15, and a triangular side surface portion 29 b that covers both side portions of the gap 15. The lower ends of both side surface portions 29b are connected to each other by a hinge portion 31.

  Further, a vehicle body member fixing portion 33 for fixing to the member 9 at the front portion of the vehicle body is provided on the vehicle body front side of the upper surface portion 29a, and a radiator fixing portion 35 for fixing to the radiator 13 is provided on the rear side thereof. Furthermore, a notch 37 that substantially matches the shape of the pipe 17 is formed at the edge of the both side surfaces 29b on the vehicle body rear side.

  As shown in FIGS. 1A to 1C, the guide portion 29 of the air guide 27 described above is a plurality (four in this case) of guide structures that can be extended and contracted and are sequentially connected along the longitudinal direction of the vehicle body. A member 39 is provided. In the guide component 39, the upper surface portion 29a has a rectangular shape, and the side surface portion 29b has a triangular shape. The lower end of the triangular portion is rotatably connected by the hinge portion 31 described above. ing.

  The plurality of guide components 39 described above are formed larger toward the rear side so that the rear side of the vehicle body sequentially covers the front side in the contracted state of FIG.

  In addition, as a connection structure between the plurality of guide component members 39, a guide groove extending in the longitudinal direction of the vehicle body is provided on one side, one end of the guide pin is attached to the other side, and the other end of the guide pin is along the guide groove. It is possible to connect them so that they can be moved. Further, as the expansion / contraction structure of the air guide 27, a bellows-like structure can also be adopted.

  Next, an operation for attaching the air guide 27 to the vehicle body will be described. At the time of this mounting operation, as shown in FIG. 1A, the lower end hinge portion 31 is placed on the support 21 with the guide portion 29 contracted. In this state, after fixing the upper body member fixing portion 33 to the member 9 at the front portion of the vehicle body, the guide portion 29 is extended toward the rear of the vehicle body as shown in FIG. Extend to the front surface of the radiator 13.

  At this time, the pipe 17 enters the cutout portion 37 provided in the side surface portion 29b, and in this state, the radiator fixing portion 35 is fixed to the radiator 13, so that a normal mounting state is obtained. In this regular mounting state, the upper portion of the gap 15 is covered with the upper surface portion 29a of the guide portion 29, and both side portions of the gap 15 are covered with the both side surface portions 29b of the guide portion 29. .

  Further, when removing the air guide 27 from the vehicle body, the work procedure reverse to the above may be performed.

  Thus, according to the above-described embodiment of the present invention, when there is another member such as the pipe 17 on the front side of the vehicle body of the radiator 13, the air guide 13 is in a contracted state with the member 9 and the radiator in the front portion of the vehicle body. While the mounting / removing operation is performed on the gap 15 between the first and second air gaps 13, the normal attachment state can be obtained by extending the contracted state in the longitudinal direction of the vehicle body. This makes it possible to improve the workability of attaching / detaching the air guide 27 while efficiently supplying air to the radiator 13 while maintaining the desired condition.

  Further, according to the present invention, the heat exchanger is disposed so as to be inclined such that the upper end portion is located on the vehicle body rear side with respect to the lower end portion, and the air guide is contracted via the hinge portion provided at the lower end. Since the air guide can be displaced between the normal state and the normal attachment state, the air guide attachment / detachment workability can be further improved.

BRIEF DESCRIPTION OF THE DRAWINGS It is the simplified side view which shows the air guide structure of the heat exchanger for vehicles concerning one Embodiment of this invention, (a)-(c) has shown the installation work procedure of the air guide. It is a top view of FIG.1 (c). It is a perspective view of an air guide. It is a side view which shows the conventional air guide structure.

Explanation of symbols

9 Car body front 13 Radiator (heat exchanger)
15 Air gap 17 Piping (other members)
27 Air guide 31 Hinge

Claims (2)

  An air guide is provided between the member in the front of the vehicle body and the heat exchanger, in which other members such as piping are arranged, and an air guide that covers the outside of the space and guides air to the heat exchanger is provided. Is displaceable between a contracted state in the front-rear direction of the vehicle body in the gap and a normal mounting state that extends from the contracted state in the front-rear direction of the vehicle body and connects the member at the front of the vehicle body and the heat exchanger. An air guide structure for a vehicle heat exchanger.   The heat exchanger is disposed so as to be inclined such that the upper end portion is located on the vehicle rear side with respect to the lower end portion, and the air guide is in the contracted state and the regular attachment via a hinge portion provided at the lower end. The air guide structure of a heat exchanger for a vehicle according to claim 1, wherein the air guide structure is displaceable to a state.

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