JP2015229381A - Coupling structure for vehicular heat exchanger - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide increased rigidity of a heat exchanger.SOLUTION: A coupling structure for a vehicular heat exchanger couples a first heat exchanger with a second heat exchanger disposed downward of the first heat exchanger with a coupling member. The coupling member includes an engagement part engaging with a recessed part or projected part 33 provided on a side face of the second heat exchanger in a vehicle width direction and is coupled to the side face of the second heat exchanger.

Description

  The present invention relates to a connection structure for a heat exchanger for a vehicle.

  The first heat exchanger and the second heat exchanger are provided separately, the first heat exchanger and the second heat exchanger are arranged in the vertical direction, and the first heat exchanger and the second heat exchanger are arranged in the vertical direction. Patent Document 1 discloses a heat exchanger in which inserts are provided and the inserts are joined by a joining bracket.

JP 2008-190770 A

  However, in the above heat exchanger, the insert provided at the lower part of the first heat exchanger and the insert provided at the upper part of the second heat exchanger are coupled in the vertical direction by the coupling bracket. The rigidity is low with respect to the stress applied to the header tank located, and the medium may leak from between the header tank and the tube of the second heat exchanger due to the stress applied to the header tank.

  The present invention has been invented to solve such problems. By increasing the coupling of heat exchangers arranged in the vertical direction, the rigidity of the heat exchanger is increased, and stress is applied to the heat exchanger. Even in such a case, the object is to suppress the leakage of the medium.

  The connection structure for a vehicle heat exchanger according to an aspect of the present invention includes a vehicle heat in which a first heat exchanger and a second heat exchanger disposed below the first heat exchanger are connected by a connecting member. The connection structure of the exchanger, wherein the connection member includes a concave portion provided on the side surface of the second heat exchanger in the vehicle width direction or an engaging portion that engages with the convex portion, on the side surface of the second heat exchanger Connected.

  According to this aspect, the rigidity of the vehicle heat exchanger can be increased by engaging the connecting member with the concave portion or the convex portion provided on the side surface of the second heat exchanger, and the stress is increased in the vehicle heat exchanger. Even in the case, the leakage of the medium from the second heat exchanger can be suppressed.

It is a perspective view of the heat exchange apparatus of this embodiment. It is a disassembled perspective view of the heat exchange apparatus of this embodiment. It is a part of left front perspective view of a 2nd heat exchanger. It is a part of the right front perspective view of a 2nd heat exchanger. It is a right front perspective view of the bracket which connects the 1st right side tank of the 1st heat exchanger, and the 2nd right side tank of the 2nd heat exchanger. It is a left front perspective view of the bracket which connects the 1st right side tank of the 1st heat exchanger, and the 2nd right side tank of the 2nd heat exchanger.

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

  A heat exchange device 1 according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view of the heat exchange device 1, and FIG. 2 is an exploded perspective view of the heat exchange device 1. The heat exchange device 1 is mounted on a vehicle.

  The heat exchange device 1 is arranged in front of the engine room of the vehicle. The heat exchange device 1 includes an upper heat exchanger 8, a lower heat exchanger 9, a pair of brackets 4, and a shroud 6. The upper heat exchanger 8 and the lower heat exchanger 9 are arranged side by side in the vertical direction and are connected via the bracket 4.

  The first heat exchanger 5 of the upper heat exchanger 8 has a configuration in which, for example, a radiator is disposed.

  In this embodiment, the upper heat exchanger 8 is arranged as the first heat exchanger 5, but instead of the first heat exchanger 5, a condenser (not shown) or a condenser and the first heat exchanger are arranged in the vehicle longitudinal direction. You may arrange | position the structure integrated side by side.

  The first heat exchanger 5 includes a first core portion 50, a first left tank 51 and a first right tank 52 provided so as to sandwich the first core portion 50 from both ends in the vehicle width direction. Although not shown in detail, the first core unit 50 is configured by arranging a plurality of tubes in the vertical direction and arranging fins between adjacent tubes. Each tube has one end communicating with the first left tank 51 and the other end communicating with the first right tank 52. The 1st heat exchanger 5 performs heat exchange between the cooling water for engine cooling which flows through a tube with the 1st core part 50, and air, and cools cooling water. The cooling water may be used for cooling other than the engine.

  On the lower side of the first left side tank 51, the first tank front mounting portion 53 that protrudes toward the front of the vehicle and is bolted to the bracket 4 via the rubber mount 7, and the rubber mount 7 protrudes downward. A first tank lower mounting portion (not shown) that is bolted to the bracket 4 is formed.

  Similarly to the first left tank 51, the first right tank 52 is also formed with a first tank front mounting portion 53 and a first tank lower mounting portion (not shown).

  The 2nd heat exchanger 3 of the lower heat exchanger 9 is set as the structure which has arrange | positioned the intercooler, for example.

  The second heat exchanger 3 includes a second core portion 30, a second left tank 31 and a second right tank 32 provided so as to sandwich the second core portion 30 from both ends in the vehicle width direction. Although not shown in detail, the second core part 30 is configured by arranging a plurality of tubes in the vertical direction and arranging fins between adjacent tubes. Each tube communicates with the second left tank 31 at one end and communicates with the second right tank 32 at the other end. The second heat exchanger 3 exchanges heat between the air pressurized by the supercharger flowing through the tube by the second core unit 30 and the atmospheric air or the atmospheric cooling air and cooling water as a medium. To cool the pressurized air.

  As shown in FIG. 3, the second left side tank 31 protrudes toward the side opposite to the second core portion 30, that is, toward the outside in the vehicle width direction, and is a second tank upper mounting portion that is bolted to the bracket 4. 33, and a second tank lower mounting portion 34 are formed. FIG. 3 is a part of the left front perspective view of the second heat exchanger 3. The second tank lower mounting portion 34 is formed below the second tank upper mounting portion 33, and the second tank upper mounting portion 33 and the second tank lower mounting portion 34 are formed apart from each other in the vertical direction. Is done.

  As shown in FIG. 4, a second tank upper mounting portion 33 and a second tank lower mounting portion 34 are formed on the side surface of the second right tank 32 as in the second left tank 31. FIG. 4 is a part of the right front perspective view of the second heat exchanger 3.

  Next, the bracket 4 will be described in detail with reference to FIGS. 5 is a right front perspective view of the bracket 4 connecting the first right tank 52 of the first heat exchanger 5 and the second right tank 32 of the second heat exchanger 3, and FIG. It is a left front perspective view.

  The bracket 4 extends in the vertical direction, and extends from the first connecting portion 40 facing the side surface of the second right tank 32 and the upper end portion of the first connecting portion 40 toward the outside in the vehicle width direction. And a second wind shield wall 42 provided on the front side and a rear wind shield wall 43 provided on the rear side.

  A second tank upper mounting portion 33 of the second heat exchanger 3 is inserted into the first connecting portion 40, and a first holding portion 44 that holds the second heat exchanger 3, and a second heat exchanger 3 2 tank lower side attachment part 34 is inserted, and the 2nd holding part 45 holding the 2nd heat exchanger 3 is formed.

  The 1st holding | maintenance part 44 is formed of the 1st rib 44a which protrudes from the surface facing the 2nd heat exchanger 3 to the 2nd heat exchanger 3 side. The first rib 44 a is formed so that the second tank upper mounting portion 33 is fitted, and the first connection portion 40 is bolted to the second tank upper mounting portion 33 in the first holding portion 44. A plurality of ribs 46 are formed on the surface facing the second heat exchanger 3 in order to increase the strength of the bracket 4, and by connecting the plurality of ribs 46 and the first rib 44a, The strength of the first rib 44a (first holding portion 44) can be increased.

  The second holding portion 45 is formed by a second rib 45 a that protrudes from the surface facing the second heat exchanger 3 to the second heat exchanger 3 side. The second rib 45a is an L-shaped rib formed so as to come into contact with the upper surface and the front surface of the second tank lower mounting portion 34. In the second holding portion 45, the first connecting portion 40 is bolted to the second tank lower mounting portion 34.

  The second connecting portion 41 is formed with a support portion 47 that supports the first right tank 52 of the first heat exchanger 5 from below via the rubber mount 7 and is bolted to the first tank lower mounting portion. The Further, the second connecting portion 41 is formed with an L-shaped third rib 41a extending upward from the front end and the outer end in the vehicle width direction. The third rib 41a on the front side is bolted to the first tank front mounting portion 53 provided in the first right tank 52 via the rubber mount 7. Further, the second connecting portion 41 is formed with a pin 48 protruding downward.

  The bracket 4 is connected to the second heat exchanger 3 in the vehicle width direction, and is connected to the first heat exchanger 5 in the front-rear direction and the vertical direction of the vehicle. Thus, the connection direction with the 2nd heat exchanger 3 and the connection direction with the 1st heat exchanger 5 differ, and, specifically, the angle of each connection direction differs 90 degrees.

  The front wind shielding wall 42 is formed so as to close the gap between the first connecting portion 40 and the second heat exchanger 3 on the front side. Further, the rear wind shielding wall 43 is formed so as to close the gap between the first connecting portion 40 and the second heat exchanger 3 on the rear side.

  The bracket 4 that connects the first left tank 51 of the first heat exchanger 5 and the second left tank 31 of the second heat exchanger 3 has the same configuration.

  Thus, the 2nd heat exchanger 3 and the 1st heat exchanger 5 are connected via the bracket 4, and the upper heat exchanger 8 and the lower heat exchanger 9 are integrated. The integrated upper heat exchanger 8 and lower heat exchanger 9 are attached to the vehicle body via pins 48 of the bracket 4 in which the in-vehicle mount 10 is inserted.

  The effect of the embodiment of the present invention will be described.

  The second tank upper mounting portion 33 provided on the side surface of the second left tank 31 and the side surface of the second right tank 32 of the second heat exchanger 3 and the first holding portion 44 of the bracket 4 are engaged with each other. By engaging the second tank lower mounting portion 34 provided on the side surface of the second left tank 31 and the side surface of the second right tank 32 of the heat exchanger 3 with the second holding portion 45 of the bracket 4, (2) The heat exchanger 3 and the bracket 4 are connected. Thus, the 1st heat exchanger 5 (upper heat exchanger 8) is connected by connecting the side surface of the 2nd heat exchanger 3, and the bracket 4 with the some holding | maintenance parts 44 and 45 and the attaching parts 33 and 34. FIG. And the coupling | bonding with the 2nd heat exchanger 3 can be improved, and the rigidity of the heat exchange apparatus 1 can be made high. In particular, even when stress is applied to the second left tank 31 and the second right tank 32 of the second heat exchanger 3, the stress can be absorbed by the entire heat exchange device 1 via the bracket 4, and the second Deterioration of the heat exchanger 3 can be suppressed, and leakage of a medium flowing through the upper heat exchanger 8 and the lower heat exchanger 9, for example, pressurized air, can be suppressed.

  By forming the second holding part 45 with the L-shaped second rib 45a, even when vibration or vibration during vehicle travel is transmitted to the second heat exchanger 3, the second heat exchanger with respect to the bracket 4 is used. 3 can be suppressed by the second rib 45a, and the rigidity of the heat exchange device 1 can be increased.

  By fitting the second tank upper mounting portion 33 and the first holding portion 44, the second heat exchanger 3 can be supported by the bracket 4 and the second heat exchanger 3 can be fixed. Thereby, the coupling | bonding of the bracket 4 and the 2nd heat exchanger 3 can be improved, and the rigidity of the heat exchange apparatus 1 can be improved.

  The bracket 4 is provided on each of the side surface of the second left tank 31 and the side surface of the second right tank 32 of the second heat exchanger 3, and the second heat exchanger 3 is sandwiched between the pair of brackets 4. 2 By connecting the heat exchanger 3 and the first heat exchanger 5, the coupling between the second heat exchanger 3 and the first heat exchanger 5 can be increased, and the rigidity of the heat exchange device 1 can be increased. Can do.

  Since the connecting direction between the first connecting portion 40 of the bracket 4 and the second heat exchanger 3 and the connecting direction between the second connecting portion 41 of the bracket 4 and the second heat exchanger 3 are different, they are input from different directions. The rigidity of the heat exchanging device 1 can be increased with respect to the stress.

  By providing the first holding part 44 and the second holding part 45 of the bracket 4 apart from each other in the vertical direction, the swing of the second heat exchanger 3 with respect to the bracket 4 can be suppressed, and the heat exchange device 1 The rigidity of can be increased.

  The front windshield wall 42 prevents the running wind from flowing into the gap between the side surface of the second heat exchanger 3 and the bracket 4, thereby flowing into the second core portion 30 of the second heat exchanger 3. The flow rate of the traveling wind can be increased, and the amount of heat exchange in the second heat exchanger 3 can be increased. Further, heat is exchanged by the rear air shield wall 43 through the air between the side surface of the second heat exchanger 3 and the bracket 4 through warm air in the engine room or the second core portion 30 of the second heat exchanger 3. It is possible to prevent the hot air from blowing back to the front of the second heat exchanger 3 or the front of the second heat exchanger 3.

  The embodiment of the present invention has been described above. However, the above embodiment only shows a part of application examples of the present invention, and the technical scope of the present invention is limited to the specific configuration of the above embodiment. Absent.

  In the present embodiment, the first heat exchanger 5 is used as the upper heat exchanger 8 and the second heat exchanger 3 is used as the lower heat exchanger 9 as an example. However, the present invention is not limited to this. For example, the lower heat exchanger 9 may be an oil cooler, an EGR cooler, or a sub-radiator. As the upper heat exchanger 8 and the lower heat exchanger 9, the first heat exchanger 5 has capacitors (not shown) arranged in the vertical direction. Also good.

  In the present embodiment, the first holding portion 44 of the bracket 4 and the second tank upper mounting portion 33 of the second heat exchanger 3 are fitted, but the second holding portion 45 of the bracket 4 is moved to the second heat. It is provided so that it can be fitted to the second tank lower mounting part 34 of the exchanger 3, and the second holding part 45 and the second tank lower mounting part 34 may be fitted, or both may be fitted. You may let them. Further, the first holding portion 44 may be formed by an L-shaped rib.

  In the present embodiment, the second tank upper mounting portion 33 and the second tank lower mounting portion 34 are formed in the second heat exchanger 3 so as to protrude outward in the vehicle width direction, but on the second core portion 30 side. You may form as a recessed recessed part. In this case, the first holding portion 44 and the second holding portion 45 of the bracket 4 are formed so as to protrude to the second core portion 30 side, and the bracket 4 and the second heat exchanger 3 are connected.

  In the present embodiment, the front windshield wall 42 and the rear windshield wall 43 are provided on the bracket 4, but only one of them may be provided.

  In the present embodiment, the second heat exchanger 3 and the bracket 4 are connected at a plurality of locations. However, the second tank upper mounting portion 33 and the first holding portion 44 or the second tank lower mounting portion 34 and the second holding portion are connected. You may connect the 2nd heat exchanger 3 and the bracket 4 only by the part 45. FIG.

DESCRIPTION OF SYMBOLS 1 Heat exchange apparatus 3 2nd heat exchanger 5 1st heat exchanger 4 Bracket (connection member)
8 Upper heat exchanger 9 Lower heat exchanger 33 Second tank upper mounting part (convex part)
34 Second tank lower mounting part (convex part)
42 Front wind-shield wall (reducing part)
43 Rear windbreak wall (restriction part)
44 1st holding | maintenance part (engagement part)
45 Second holding part (engagement part)

Claims (8)

A connection structure for a vehicle heat exchanger that connects a first heat exchanger and a second heat exchanger disposed below the first heat exchanger by a connecting member,
The connecting member is
A concave portion provided on the side surface of the second heat exchanger in the vehicle width direction, or an engaging portion that engages with the convex portion, and is coupled to the side surface of the second heat exchanger;
A connection structure for a vehicle heat exchanger. It is a connection structure of the heat exchanger for vehicles according to claim 1,
The engaging portion is an L-shaped rib.
A connection structure for a vehicle heat exchanger. It is a connection structure of the heat exchanger for vehicles according to claim 1 or 2,
The engaging portion includes a concave portion or a convex portion on one side surface of the second heat exchanger in the vehicle width direction.
A connection structure for a vehicle heat exchanger. It is a connection structure of the heat exchanger for vehicles according to any one of claims 1 to 3,
The engaging portion engages or fits with the concave portion provided at a plurality of positions on one side surface, or the convex portion.
A connection structure for a vehicle heat exchanger. It is a connection structure of the heat exchanger for vehicles according to any one of claims 1 to 4,
The connecting members are respectively provided on both side surfaces of the second heat exchanger in the vehicle width direction.
A connection structure for a vehicle heat exchanger. It is a connection structure of the heat exchanger for vehicles according to any one of claims 1 to 5,
The connecting member is
The connection direction with the first heat exchanger is different from the connection direction with the second heat exchanger.
The connection structure of the vehicle air conditioner characterized by the above-mentioned. It is a connection structure of the heat exchanger for vehicles according to any one of claims 1 to 6,
The engaging portion is provided at a position separated in the vertical direction.
The connection structure of the vehicle air conditioner characterized by the above-mentioned. It is a connection structure of the air-conditioner for vehicles according to any one of claims 1 to 7,
The connecting member includes a suppressing unit that suppresses an air flow in the front-rear direction of the vehicle.
The connection structure of the vehicle air conditioner characterized by the above-mentioned.

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