JP2013052851A - Vehicular cooling component support device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and inexpensively configure a connecting structure for connecting a pair of frame members with a hat-like cross-sectional shape which configure an angular portion of a frame shape while securing predetermined rigidity or strength.SOLUTION: A protruding portion 36 of a radiator support side 18 is fitted into an opening 60 provided in an upper wall 22 of a protruding portion 26 of a radiator support lower 14, whereby sidewalls 24, 34 of the protruding portions 26, 36 are superposed and joined together, and a joining flange 62 provided at the edge of the opening 60 is superposed and joined onto an upper wall 32. A connecting member 40 is fixed to the radiator support lower 14 and radiator support side 18 to form a closed space 52 between the both, and a hardening resin 54 is filled therein to reinforce the both. According to this, the radiator support lower 14 or radiator support side 18 can be made into a fixed hat-like cross-sectional shape over the whole length while securing the strength or rigidity of the angle portion, and the connecting structure can be easily and inexpensively configured with a simplified shape.

Description

  The present invention relates to a vehicular cooling component support device, and more particularly to a technique that enables simple and inexpensive construction while ensuring strength and rigidity.

  A vehicle cooling component support device has been proposed in which a plurality of frame members are connected so as to form a predetermined frame shape, and the cooling component is supported inside the frame shape. The apparatus described in Patent Document 1 is an example thereof, and is a radiator support upper, a radiator support lower, and a pair of the radiator support upper and the radiator support lower that are disposed in the vertical direction and connect them. The frame is composed mainly of four frame members on the radiator support side, and forms a rectangular (right-angled quadrilateral) frame shape. Each of these frame members has a hat cross-sectional shape having flanges on both sides of the convex part, and a predetermined strength and rigidity are ensured while being configured to be lightweight and inexpensive using a thin plate material. Yes.

JP 2009-262893 A

  However, in such a conventional cooling component support device, in order to ensure the rigidity and strength of the corners of the frame shape, the connection structure of the end portions of the pair of frame members constituting the corners becomes complicated. There was still room for improvement, such as becoming a big deal.

  The present invention has been made against the background of the above circumstances, and the object of the present invention is to provide a connecting structure for connecting a pair of frame members having a hat cross-sectional shape that constitutes a corner portion of the frame shape with a predetermined rigidity and strength. It is to be able to be configured easily and inexpensively while ensuring the above.

  In order to achieve such an object, the first invention is a vehicle cooling component support device in which a plurality of frame members are connected so as to form a predetermined frame shape, and support a cooling component inside the frame shape. a) The pair of frame members connected so as to constitute any corner of the frame shape has a hat cross-sectional shape having flanges on both sides of the convex portions, and the flange portions of the hat cross-sectional shape. (B) the convex portion of the other frame member is disposed on the upper wall of the convex portion at one end of the pair of frame members. An opening is provided so as to be fitted, and the side walls of the convex part are overlapped and joined to each other, and the edge of the opening is bent from the upper wall to be above the convex part of the other frame member. There is a joining flange that is superimposed on the wall and joined On the other hand, (c) the pair of frame members so as to form a closed space between the top wall of each of the pair of frame members inside or outside the frame shape of the corners And (d) the closed space is filled with a synthetic resin.

  According to a second aspect of the present invention, in the vehicle cooling component support device according to the first aspect of the invention, (a) the connection member has a hat cross-sectional shape having flanges on both sides of the convex portion, and along the corner portion. A bent L-shape is formed, and is fitted and fixed integrally so as to be in contact with the side wall and the upper wall of each of the pair of frame members constituting the corner portion. (B) The upper wall of the convex portion of the connecting member is provided with a concave portion so as to form a closed space between the upper wall of the convex portion of each of the pair of frame members. It is characterized by.

  In such a cooling component support device for a vehicle, the convex portion of the other frame member is fitted into the opening provided in the upper wall of the convex portion of one end portion of the pair of frame members connected to each other. In addition, the side walls of the convex portions are overlapped and joined to each other, and a joining flange provided at the edge of the opening is overlapped and joined to the upper wall of the convex portion of the other frame member. In addition, a connecting member is fixed inside or outside the frame shape at the corner, and a closed space is formed between the upper wall of each convex part of the pair of frame members and the connecting member, and is filled with synthetic resin. Therefore, the corner portion is reinforced by the synthetic resin. Thereby, the side walls of the convex portions of the pair of frame members are overlapped and joined, and the joining flange is overlapped and joined to the upper walls of the convex portions, and the connecting member is integrated across the pair of frame members. In combination with the fixed installation, the strength and rigidity of the corners can be sufficiently secured. In that case, the pair of frame members basically have a constant hat cross-sectional shape over the entire length, so the shape is simplified, and the vehicle cooling component support device is simple and inexpensive as a whole. Is done.

  In the second invention, the connecting member also has a hat cross-sectional shape, is formed in an L shape bent along the corner, and is fitted so as to be in contact with the side walls and the upper wall of each convex portion of the pair of frame members. Thus, the strength and rigidity are further improved, and the work when the connecting member is combined with the corner is easy. Further, since the fitting is made so as to contact the side wall and the upper wall of the convex part of the frame member in this way, it is only necessary to provide a concave part on the upper wall of the convex part of the connecting member and A predetermined closed space can be easily formed between them.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure explaining the cooling component support apparatus for vehicles which is one Example of this invention, (a) is a schematic perspective view, (b) is a perspective view which shows the cross-sectional shape of one frame member. It is a perspective view which expands and shows the lower left corner | angular part LU in (a) of FIG. 3A and 2B are views showing a lower left corner LU of FIG. 2, where FIG. 3A is a front view seen from the lower left direction of FIG. 2, and FIG. It is sectional drawing of the IV-IV arrow part in (a) of FIG. It is a figure which shows independently the connection member provided with the foamable curable resin before making it foam and harden | cure, and is a longitudinal cross-sectional view corresponding to (b) of FIG. It is a figure explaining the other Example of this invention, and is a figure corresponding to FIG. It is sectional drawing of the VII-VII arrow part in (a) of FIG.

  The cooling component supported by the vehicular cooling component support device of the present invention is a radiator body that mainly cools a cooling fluid for engine cooling or the like, but when supporting other cooling components such as an air conditioning condenser of an air conditioning facility. Can also be applied. It is also possible to configure so as to support a plurality of types of cooling components such as a radiator body and an air conditioning condenser.

  The plurality of frame members are used, for example, so as to form a rectangular (right-angled quadrilateral) frame shape. For example, three frame members are used to form a rectangular frame shape with respect to the support frame provided on the vehicle body. Various embodiments are possible, such as being formed. Further, the frame shape is not necessarily rectangular, and may be a trapezoid. Although all of the plurality of corner portions of the frame shape can be connected by the connection structure of the present invention, only a part of the plurality of corner portions may be connected by the connection structure of the present invention.

  The side walls of the projections of the pair of frame members are overlapped and joined to each other, and the joining flange is joined to the top wall of the projections of the other frame member. Welding such as arc welding is simple and desirable. Other joining means such as rivets and adhesives can also be employed. Welding is also appropriate for the connecting member fixed inside or outside the corner, but other fixing means such as a rivet or an adhesive may be employed. The joint flange may be bent to the outside of the convex portion or may be bent to the inside of the convex portion.

  As the synthetic resin filled in the closed space, for example, a thermosetting resin or a thermoplastic resin that is foamed and cured by a heat treatment at a predetermined temperature such as 150 ° C. to 250 ° C. is preferably used. As thermosetting resins, for example, urea resins, melamine resins, phenol resins, epoxy resins, unsaturated polyester resins, alkyd resins, urethane resins, ebonites and the like are known, and fiber reinforced plastics (FRP) combined with high-strength fibers. ) Can also be adopted. Moreover, you may employ | adopt the thermoplastic resin which has comparatively high intensity | strength, such as polybutylene terephthalate, polyphenylene sulfide, and polyamideimide, and the fiber reinforced plastic (FRTP) which combined the high intensity | strength fiber and the thermoplastic resin.

  In the second invention, a connecting member having a hat cross-sectional shape having flanges on both sides of the convex portion is used. However, in implementing the first invention, a connecting member such as a U-shaped cross section (a U-shaped cross section) having no flange is used. It may be used. Further, in the second invention, a predetermined closed space is formed by providing a concave portion on the upper wall of the L-shaped connecting member, but the concave portion is separated from the upper wall of the convex portion of the pair of frame members. Therefore, it is sufficient if a closed space can be formed between the upper wall and the upper wall. For example, an L-shaped or arc-shaped recess is provided, but an inclined portion or the like that forms a triangular closed space inside the corner may be used.

  In the second invention, the connecting member has a hat cross-sectional shape, and is fitted and fixed integrally so as to be in contact with the side wall and the upper wall of the convex portion of the frame member. You may make it overlap on the buttocks. All of the side walls, the upper wall, and the flange of the convex portions that are in contact with each other may be joined by spot welding or the like, but only a part of them may be joined.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a view for explaining a vehicular cooling part support device 10 according to an embodiment of the present invention, and (a) is a schematic perspective view. The vehicle cooling component support device 10 is disposed behind the bumper reinforcement in front of the vehicle and supports the radiator body 20 that cools the cooling fluid for cooling the engine. The vehicle cooling component support device 10 is substantially horizontal in the left-right direction of the vehicle. The radiator support upper 12, the radiator support lower 14 disposed substantially in parallel below the radiator support upper 12, and the radiator support upper 12 and the radiator support lower 14 that are spaced apart in the left-right direction of the vehicle. A pair of radiator support sides 16 and 18 are provided which are arranged in the vertical direction (substantially vertical direction) across the bridge and connect them. Then, the end portions of the radiator support upper 12, the radiator support lower 14, and the pair of radiator support sides 16, 18 are connected at a substantially right angle to form a substantially rectangular frame shape. The radiator main body 20 is integrally attached and supported in a substantially rectangular space surrounded by. The radiator main body 20 corresponds to a cooling component.

  The radiator support upper 12, the radiator support lower 14, and the pair of radiator support sides 16 and 18 correspond to frame members, all of which are press-formed products, have a linear longitudinal shape, and in the longitudinal direction thereof. A cross section perpendicular to the cross section forms a hat cross section having flanges on both sides of the convex portion. FIG. 1B is a perspective view showing a part of the radiator support lower 14 cut away, and a U-shaped convex portion 26 having a flat upper wall 22 and a pair of side walls 24, and the convex portion. A pair of flange portions 28 bent at substantially right angles in opposite directions from the opening edges of 26 are integrally provided, and the overall shape of the hat cross section is formed. The pair of side walls 24 of the convex portion 26 are bent at a substantially right angle with respect to the upper wall 22 and are formed by drawing or bending. The radiator support upper 12, which is another frame member, and the pair of radiator support sides 16, 18 are also basically configured to have a convex portion and a pair of flanges, similarly to the radiator support lower 14, and both It is arranged in a posture in which the flange side faces outward in the frame shape, and is connected at substantially right angles at the end portions in the longitudinal direction. The solid lines shown in the radiator support upper 12, the radiator support lower 14, and the pair of radiator support sides 16 and 18 in FIG. 1 (a) are cross-sectional shapes and represent that the collar portion is in an outward posture. .

  FIG. 2 is an enlarged perspective view showing the lower left corner LU in FIG. 1 (a), that is, the connecting portion between the radiator support lower 14 and the radiator support side 18, and is connected integrally using the connecting member 40. FIG. ing. 3 is a view of the lower left corner LU as viewed from the lower left direction of FIG. 2, that is, from the front side of the vehicle. FIG. 3A is a front view, and FIG. It is sectional drawing cut | disconnected by the center part of the direction orthogonal to the paper surface in Fig.3 (a) in the IIIB-IIIB arrow cross section. FIG. 4 is a cross-sectional view taken along the line IV-IV in FIG. The other corners are basically configured similarly to the lower left corner LU. In the following description, the convex portion and the pair of flange portions of the radiator support side 18 are denoted by reference numerals 36 and 38, respectively, and the upper wall and the pair of side walls of the convex portion 36 are denoted by reference numerals 32 and 34, respectively.

  An opening 60 is provided in the upper wall 22 of the convex portion 26 at the left end portion of the radiator support lower 14, and a convex portion 36 at the lower end of the radiator support side 18 is fitted into the opening 60. The side walls 24 and 34 of the convex portions 26 and 36 are overlapped so as to be in close contact with each other, and are integrally welded by spot welding or the like. At the edge of the opening 60 of the radiator support lower 14, a joint flange 62 bent and raised from the upper wall 22 at a substantially right angle is provided, and is closely attached to the outer surface of the upper wall 32 of the convex portion 36 of the radiator support side 18. These joining flanges 62 and the upper wall 32 are also integrally welded by spot welding or the like. As a result, the left end portion of the radiator support lower 14 and the lower end portion of the radiator support side 18 are integrally joined in a posture in which they are abutted at a substantially right angle.

  The connecting member 40 has a hat cross-sectional shape similar to the radiator support lower 14 and the radiator support side 18, and has a U-shaped convex portion 46 having a flat upper wall 42 and a pair of side walls 44, and A pair of flange portions 48 bent at substantially right angles in opposite directions from the opening edge of the convex portion 46 are integrally provided. Further, it has an L-shape bent along the lower left corner LU, and from the outside of the frame shape at the lower left corner LU, that is, from the left direction or the lower side in FIGS. 3 (a) and 3 (b). The lower left corner LU can be assembled. That is, the projections 46 of the connecting member 40 are assembled so as to be fitted between the pair of side walls 24 and 34 of the projections 26 and 36 of the radiator support lower 14 and the radiator support side 18. As a result, the upper wall 42 and the pair of side walls 44 of the convex portion 46 of the connecting member 40 are respectively connected to the upper walls 22 and 32 and the pair of side walls 24 of the convex portions 26 and 36 of the radiator support lower 14 and the radiator support side 18, respectively. , 34 are in close contact with each other and are integrally welded by spot welding or the like. Further, the flange portion 48 is overlapped so as to be in close contact with the flange portions 28 and 38 and is integrally welded by spot welding or the like. A notch 64 is provided on the upper wall 32 of the convex portion 36 at the lower end of the radiator support side 18 in order to avoid interference with the connecting member 40 (see FIG. 3B).

  The upper wall 42 of the convex portion 46 of the connecting member 40 is provided with an L-shaped or arc-shaped concave portion 50, which is located above the convex portions 26, 36 of the radiator support lower 14 and the radiator support side 18. An L-shaped or arcuate closed space 52 is formed between the walls 22 and 32. The closed space 52 is filled with a curable resin 54 as a synthetic resin. The curable resin 54 is obtained by foaming and curing a thermosetting resin by heating. In this embodiment, an epoxy-based foam curable resin is used. By thus filling the closed space 52 with the curable resin 54, the connecting member 40, the radiator support lower 14 and the radiator support side 18 are firmly fixed, and the lower left corner LU is connected with excellent strength and rigidity. The

  For example, as shown in FIG. 5, the curable resin 54 is formed by attaching a soft resin sheet 56 before foaming and curing to the recess 50 of the connecting member 40, and in this state, the radiator support lower 14 and the radiator support previously fixed by welding. The side 18 is fitted to the lower left corner LU from the outside and fixed integrally by spot welding or the like. In this state, the resin sheet 56 is held in the closed space 52 while being adhered to the recess 50, and is heated to about 170 to 200 ° C. and held for about 20 minutes, whereby the resin sheet 56 is held in the closed space. Foam and cure in 52. Thereby, as shown in FIG. 3B and FIG. 4, the lower left corner LU in which the curable resin 54 is filled in the closed space 52 is formed. The closed space 52 does not necessarily need to be sealed so as to completely prevent the resin from flowing out. The flow of the curable resin 54 is limited, and the curable resin 54 may be cured at a predetermined filling density. May flow out somewhat.

  Thus, in the vehicle cooling component support device 10 of the present embodiment, the left end portion of the radiator support lower 14 which is one of the frame members in the radiator support lower 14 and the radiator support side 18 constituting the lower left corner LU. An opening 60 is provided in the upper wall 22 of the convex portion 26, and the convex portion 36 of the radiator support side 18, which is the other frame member, is fitted into the opening 60, and the side wall 24 of the convex portions 26, 36. , 34 are overlapped and joined to each other, and a joining flange 62 provided at the edge of the opening 60 is joined to the upper wall 32 of the convex portion 36 of the radiator support side 18 so as to be joined. Further, a connecting member 40 is fixed from the outside of the frame shape of the lower left corner LU, and the upper walls 22 and 32 of the convex portions 26 and 36 of the radiator support lower 14 and the radiator support side 18 and the connecting member 40. Since the closed space 52 is formed between them and the curable resin 54 is filled, the lower left corner LU is reinforced by the curable resin 54. Accordingly, the side walls 24 and 34 of the convex portions 26 and 36 of the radiator support lower 14 and the radiator support side 18 are overlapped and joined together, and the joining flange 62 is joined to the upper wall 32 of the convex portion 36 and joined. In addition, coupled with the connection member 40 being fixed over the radiator support lower 14 and the radiator support side 18, the strength and rigidity of the lower left corner LU can be sufficiently secured. In this case, the radiator support lower 14 and the radiator support side 18 may basically have a constant hat cross-sectional shape over the entire length, so that the shape is simplified and the vehicle cooling component support device 10 as a whole is provided. Simple and inexpensive construction.

  In this embodiment, the connecting member 40 also has a hat cross-sectional shape and is formed in an L shape that is bent along the lower left corner LU, and each of the convex portions 26 of the radiator support lower 14 and the radiator support side 18. , 36 are fitted and integrally fixed so as to be in contact with the side walls 24, 34 and the upper walls 22, 32, so that the strength and rigidity are further improved, and the connecting member 40 is combined with the lower left corner LU. Is easy. Since the radiator support lower 14 and the radiator support side 18 are fitted so as to be in contact with the side walls 24 and 34 and the upper walls 22 and 32 of the radiator support side 18, A predetermined closed space 52 can be easily formed between the radiator support lower 14 and the upper walls 22 and 32 of the projections 26 and 36 of the radiator support side 18 by simply providing the wall 42 with an L-shaped or arc-shaped recess 50. Can be formed.

  The other three corners of the vehicle cooling component support device 10 are also configured in the same manner, and include four frame members including a radiator support upper 12, a radiator support lower 14, and a pair of radiator support sides 16, 18. As for all of the above, a constant hat cross-sectional shape may be maintained over the entire length, and the shape is simplified while ensuring the strength and rigidity of the corners, and the configuration can be simplified and inexpensive.

  Next, another embodiment of the present invention will be described. In the following embodiments, parts that are substantially the same as those in the above embodiments are denoted by the same reference numerals, and detailed description thereof is omitted.

  6 and 7 correspond to FIGS. 3 and 4, and FIG. 7 is a cross-sectional view taken along the line VII-VII in FIG. 6 (a). In this embodiment, the connecting member 70 is different from the connecting member 40, and the lower left corner LU of the lower left corner LU from the inside or the right in FIG. Can be assembled to. The radiator support lower 14 and the radiator support side 18 are almost the same as in the above embodiment, but in the above embodiment, in order to avoid interference with the connecting member 40, the upper wall 32 of the convex portion 36 at the lower end of the radiator support side 18 is provided. Although the notch 64 is provided, the notch 64 is not necessary in this embodiment, and the upper wall 32 is provided to the lower end.

  The connecting member 70 has a hat cross-sectional shape as in the above-described embodiment, and is formed from a U-shaped convex portion 76 having a flat upper wall 72 and a pair of side walls 74, and an opening edge of the convex portion 76. A pair of flange portions 78 bent at substantially right angles in opposite directions are integrally provided. Further, it has an L shape bent along the lower left corner LU, and can be assembled from the inside of the lower left corner LU. That is, the projection 76 of the connecting member 70 is assembled so as to be fitted to the outside of the pair of side walls 24 and 34 of the projections 26 and 36 of the radiator support lower 14 and the radiator support side 18. Accordingly, the upper wall 72 and the pair of side walls 74 of the convex portion 76 of the connecting member 70 are respectively connected to the upper walls 22 and 32 of the convex portions 26 and 36 of the radiator support lower 14 and the radiator support side 18 and the pair of side walls 24. , 34 are in close contact with each other and are integrally welded by spot welding or the like. Further, the flange portion 78 is also superposed so as to be in close contact with the flange portions 28 and 38, and is integrally welded by spot welding or the like.

  A linear inclined portion 80 is provided on the upper wall 72 of the convex portion 76 of the connecting member 70, and the upper walls 22 and 32 of the convex portions 26 and 36 of the radiator support lower 14 and the radiator support side 18 respectively. A triangular closed space 82 is formed between the two. The closed space 82 is filled with the curable resin 54, and the connecting member 70, the radiator support lower 14 and the radiator support side 18 are firmly fixed, and the lower left corner LU has excellent strength and rigidity. Thus, the same effects as those of the above-described embodiment can be obtained. The inclined portion 80 functions as a concave portion that is separated from the upper walls 22 and 32 of the convex portions 26 and 36 of the radiator support lower 14 and the radiator support side 18 to form a closed space 82.

  6 and 7, the L-shaped or arc-shaped concave portion is provided in place of the inclined portion 80, and the convex portions 26 and 36 of the radiator support lower 14 and the radiator support side 18 are provided. An L-shaped or arc-shaped closed space may be formed between the upper walls 22 and 32.

  As mentioned above, although the Example of this invention was described in detail based on drawing, these are one embodiment to the last, and this invention is implemented in the aspect which added the various change and improvement based on the knowledge of those skilled in the art. be able to.

  10: Cooling part support device for vehicle 12: Radiator support upper (frame member) 14: Radiator support lower (frame member) 16, 18: Radiator support side (frame member) 20: Radiator main body (cooling part) 22, 32, 42 , 72: upper wall 24, 34, 44, 74: side wall 26, 36, 46, 76: convex part 28, 38, 48, 78: collar part 40, 70: connecting member 50: concave part 52, 82: closed space 54 : Curing resin (synthetic resin) 60: Opening 62: Joining flange 80: Inclined part (recessed part) LU: Lower left corner

Claims (2)

In a vehicle cooling component support device in which a plurality of frame members are connected so as to form a predetermined frame shape and support a cooling component inside the frame shape.
The pair of frame members connected so as to constitute any corner portion of the frame shape has a hat cross-sectional shape having ridges on both sides of the convex portion, and the heel side of the hat cross-sectional shape is While being arranged in an outward orientation of the frame shape,
An opening is provided in the upper wall of the convex portion at one end of the pair of frame members so that the convex portion of the other frame member is fitted, and the side walls of the convex portions are overlapped with each other. A joint flange that is bent from the upper wall and joined to the upper wall of the convex portion of the other frame member is joined to the edge of the opening.
On the inner side or the outer side of the frame shape of the corner portion, the pair of frame members straddle the pair of frame members so as to form a closed space between the upper walls of the convex portions. The connecting member is integrally fixed,
A vehicle cooling component support device, wherein the closed space is filled with a synthetic resin. The connecting member has a hat cross-sectional shape having flanges on both sides of the convex portion, and has an L-shape bent along the corner portion to constitute the corner portion. The pair of frame members are fitted and fixed integrally so as to be in contact with the side wall and the upper wall of the convex portion,
The upper wall of the convex portion of the connecting member is provided with a concave portion so as to form a closed space between the upper wall of the convex portion of each of the pair of frame members. Item 2. The vehicle cooling component support device according to Item 1.

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