JP2007078306A - Cooling module - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cooling module capable of improving the moldability of a tank part of a heat exchanger. <P>SOLUTION: The cooling module has a radiator 1 provided with a radiator core 1a carrying out heat exchange between air and cooling water passing through an interior, and radiator tanks 1b provided on both ends of the radiator core 1a and sending and receiving the cooling water. A through-hole 10 is formed at the radiator tank 1b, and a condenser 2 is fixed to the radiator 1 via the through hole 10. By this, since it becomes unnecessary to provide a complicated part such as a pawl on the radiator tank 1b, the moldability of the radiator tank 1b can be improved. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a cooling module in which a heat exchanger and a shroud are assembled together.

  Conventionally, heat exchangers such as automobile radiators and condensers have been individually mounted on the vehicle body via elastic bodies.

  In recent years, a method of assembling a heat exchanger and parts around the front of the vehicle body to form a module and mounting them on the vehicle body has been devised and becoming mainstream. Among them, there is a cooling module in which a plurality of heat exchangers and a shroud are assembled together, and various structures have been devised (for example, see Patent Document 1).

In such a cooling module, after fixing a capacitor to a radiator, a method of directly assembling the radiator to which the capacitor is fixed to a shroud is known. In this case, as shown in FIG. 12 and FIG. 13, by fitting a claw portion J51 provided in the radiator tank J1b of the radiator J1 and a through hole J10 of the bracket J5 provided in the capacitor J2, the condenser J1 is connected to the condenser J1. J2 is fixed.
JP 2003-278545 A

  However, in the above method, since the claw portion is provided in the radiator tank, there is a problem that the structure of the mold when the radiator tank is molded becomes complicated.

  An object of this invention is to provide the cooling module which can improve the moldability of the tank part of a heat exchanger in view of the said point.

  In order to achieve the above object, the present invention provides a heat exchange core part (1a) for exchanging heat between air and a heat medium passing through the interior, and both ends of the heat exchange core part (1a). It has a heat exchanger (1) provided with a tank part (1b) that flows in and out, the tank part (1b) is provided with a through hole (10), and the heat exchanger (1) has a through hole. The first feature is that the other component (2) is fixed via (10).

  Thereby, since it is not necessary to provide a complicated part such as a claw in the tank part (1b), the moldability of the tank part (1b) can be improved.

  The second feature of the present invention is that the through hole (10) is provided so as to penetrate the tank portion (1b). Thereby, since it is possible to prevent the through hole (10) from protruding from the main body of the heat exchanger (1), other parts (2) are fixed to the heat exchanger (1) without changing the mounting space. Is possible.

  The third feature of the present invention is that the other component (2) has a claw portion (51) fitted to the through hole (10).

  Thereby, another component (2) can be fixed to a heat exchanger (1) by fitting a nail | claw part (51) to a through-hole (10). At this time, since it is not necessary to provide a complicated part such as a claw in the tank part (1b), it becomes possible to improve the moldability of the tank part (1b).

  Further, according to the present invention, one opening in the through hole (10) is provided in a surface opposite to the surface to which the other component (2) in the tank (1b) is fixed. The fourth feature is that the tip of the nail part (51) is exposed.

  Thereby, since the front-end | tip of a nail | claw part (51) can be exposed from a tank part (1b), when removing a nail | claw part (51) from a through-hole (10), an operator is a front-end | tip of a nail | claw part (51). (51a) can be easily grasped. For this reason, it becomes possible to easily remove the other component (2) from the heat exchanger (1).

  The heat exchanger is a radiator (1) that cools the cooling water by exchanging heat between the cooling water and the outside air, and the other parts condense the refrigerant by exchanging heat between the refrigerant circulating in the refrigeration cycle and the air. It is good also as a capacitor (2) to be made.

  In addition, the code | symbol in the bracket | parenthesis of each said means shows the correspondence with the specific means as described in embodiment mentioned later.

(First embodiment)
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. The cooling module of this embodiment is for vehicles, and this cooling module is usually mounted on the front end of the vehicle.

  FIG. 1 is a perspective view showing a state where the cooling module according to the first embodiment is viewed from the front side of the vehicle, and FIG. 2 is a perspective view showing a state where the cooling module according to the first embodiment is viewed from the rear side of the vehicle. .

  As shown in FIGS. 1 and 2, the cooling module includes a radiator 1 that cools cooling water by exchanging heat between cooling water and outside air of an engine (internal combustion engine) (not shown), and a vehicle refrigeration cycle (air conditioner) that is not shown. ) A condenser 2 that cools the refrigerant by exchanging heat between the refrigerant circulating inside and the outside air, an electric blower 3 that blows cooling air to the radiator 1 and the condenser 2, and an electric blower 3 that holds the electric blower 3. And a shroud 4 for guiding the air flow so that the induced air flow flows to the radiator 1 and the condenser 2.

  Incidentally, the capacitor 2 is disposed on the upstream side of the air flow from the radiator 1, in other words, on the front side of the vehicle. The shroud 4 is disposed on the downstream side of the air flow (the vehicle rear side) of the radiator 1 and covers the back surface (the vehicle rear side surface) of the radiator 1. The radiator 1 corresponds to the heat exchanger of the present invention, the condenser 2 corresponds to other components, and the cooling water corresponds to the heat medium.

  FIG. 3 is an enlarged perspective view showing a main part of the radiator 1 according to the first embodiment. As shown in FIG. 3, the radiator 1 is a heat exchanger that cools engine cooling water by exchanging heat between engine cooling water and outside air. The radiator 1 has a radiator core 1a composed of a plurality of radiator tubes through which cooling water flows, and a radiator tank 1b that is disposed at both longitudinal ends of the radiator tubes and communicates with the radiator tubes.

  The radiator 1 of the first embodiment is a downflow type radiator in which cooling water flows in the vertical direction. The longitudinal direction of the radiator tube extends in the vertical direction, and the radiator tank 1b is vertically moved in the vertical direction of the radiator core 1a. It is arranged at the end.

  Through holes 10 are respectively provided at both ends in the longitudinal direction of the radiator tank 1b. The through hole 10 is formed so as to penetrate the radiator tank 1b. Further, in the radiator tank 1b, one opening of the through hole 10 is formed on a surface (a vehicle front side) on the side where the capacitor 2 is fixed, and the other opening is a surface opposite to the side where the capacitor 2 is fixed. It is formed on the vehicle rear side. That is, the through hole 10 penetrates from the vehicle front side to the vehicle rear side.

  FIG. 4 is an enlarged perspective view showing a main part of the capacitor 2 according to the first embodiment. As shown in FIG. 4, the condenser 2 is a heat exchanger that cools the refrigerant by exchanging heat between the refrigerant circulating in the refrigeration cycle (not shown) and the outside air. Similarly to the radiator 1, the capacitor 2 also has a capacitor core 2 a made up of a plurality of capacitor tubes through which refrigerant flows, and a capacitor tank 2 b that is disposed at both ends in the longitudinal direction of the capacitor tubes and communicates with each capacitor tube. ing.

  In the capacitor 2 of the first embodiment, the longitudinal direction of the capacitor tube extends in the horizontal direction, and the capacitor tank 2b is disposed at both ends of the capacitor core 2a in the horizontal direction.

  FIG. 5 is an enlarged perspective view showing a state in which the bracket 5 is assembled to the capacitor 2 according to the first embodiment, and FIG. 6 is an enlarged perspective view showing a main part of the bracket 5 according to the first embodiment.

  As shown in FIG. 5, resin-made brackets 5 are assembled to the upper and lower surfaces of the capacitor 2 in the vertical direction. In the first embodiment, a pin 2c protruding in the vertical direction is set near the capacitor tank 2b, and the bracket 5 is assembled to the capacitor 2 by inserting the pin 2c into a hole 5a provided in the bracket 5. ing.

  As shown in FIG. 6, the bracket 5 has a beam portion 50 extending in the longitudinal direction (horizontal direction) of the capacitor tube. Further, elastically deformable claw portions 51 projecting toward the radiator 1 side (vehicle rear side) are provided at both longitudinal ends of the beam portion 50.

  The nail | claw part 51 is comprised so that it may fit in the through-hole 10 of the radiator 1, is inserted from one opening part of the through-hole 10, and engages with the corner | angular part of the other opening part. . The claw portion 51 includes a pair of elastically deformable engagement pieces 51a and 51b. The pair of engaging pieces 51 a and 51 b are formed with protrusions that engage with the corners of the other opening of the through hole 10.

  FIG. 7 is an enlarged perspective view showing the main part of the cooling module according to the first embodiment, and FIG. 8 is a plan view showing the state when FIG. 7 is viewed from the vehicle upper side. In FIG. 8, the shroud 4 is not shown.

  As shown in FIGS. 7 and 8, the claw portion 51 is inserted into the through-hole 10 while being pressed by the inner wall of the through-hole 10 and the pair of engaging pieces 51 a and 51 b are elastically deformed and approach each other. After the claw portion 51 penetrates the through-hole 10, the elastic deformation of the pair of engagement pieces 51a and 51b is returned, and the protrusion is engaged with the corner of the other opening. Thus, the capacitor | condenser 2 is being fixed to the radiator 1 by the nail | claw part 51 engaging with the through-hole 10. FIG.

  As described above, the capacitor 2 can be fixed to the radiator 1 by engaging the claw portion 51 with the through hole 10. At this time, since it is not necessary to provide a complicated portion such as a claw portion in the radiator tank 1b, the moldability of the radiator tank 1b can be improved.

  Further, by providing the through hole 10 so as to penetrate the radiator tank 1b, the through hole 10 can be prevented from protruding from the main body of the radiator 1, so that the condenser 2 can be connected to the radiator 1 without changing the mounting space. Can be fixed.

  Furthermore, one opening in the through hole 10 is provided on the surface of the radiator tank 1b opposite to the side to which the capacitor 2 is fixed (vehicle rear side in the first embodiment), and the claw portion 51 extends from the one opening. By exposing the tip (engagement projection 51a), the operator can easily grasp the engagement projection 51a when replacing parts in the market. By grasping the engaging protrusion 51a, the engagement between the claw portion 51 and the through hole 10 is released, and the claw portion 51 can be extracted from the through hole 10. Therefore, it is easy to remove the capacitor 2 from the radiator 1. Is possible.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. The same parts as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted. In the second embodiment, the present invention is applied to the case where the water flow resistance of the radiator tank 1b cannot be increased due to the miniaturization of the radiator tank 1b.

  FIG. 9 is an enlarged perspective view showing a main part of the radiator 1 according to the second embodiment. As shown in FIG. 9, at both ends in the longitudinal direction of the radiator tank 1b, projections 11 projecting in the radiator tube longitudinal direction (vehicle up-down direction) are provided. The protrusions 11 are disposed on the downstream side (the vehicle rear side) of the air flow in the radiator tank 1b. In addition, a through hole 10 that penetrates from the vehicle front side to the vehicle rear side is formed in the protrusion 11.

  FIG. 10 is an enlarged perspective view showing a cooling module according to the second embodiment, and FIG. 11 is an enlarged sectional view showing a state in which the cooling module according to the second embodiment is mounted on a vehicle.

  As shown in FIGS. 10 and 11, the bracket 5 is provided with a connecting member 52 that extends to the vehicle rear side along the outer wall of the radiator tank 1b. A claw portion 51 that engages with the through hole 10 is formed at the tip of the connecting member 52. And the capacitor | condenser 2 is being fixed to the radiator 1 because this nail | claw part 51 engages with the through-hole 10 provided in the projection part 11 of the radiator tank 1b.

  Incidentally, as shown in FIG. 11, the cooling module of the second embodiment is mounted in the engine room 6 at the front end of the vehicle. The upper opening of the engine room 6 is closed by an engine hood (bonnet) 7 that forms a lid member.

  As described above, the protrusion 11 protruding in the vehicle vertical direction is provided on the radiator tank 1b, and the claw 51 is engaged with the through hole 10 formed in the protrusion 11, so that the capacitor 2 is fixed to the radiator 1. can do. At this time, since the through hole 10 is provided outside the radiator tank 1b, the capacitor 2 can be fixed to the radiator 1 with a simple configuration even when the water flow resistance of the radiator tank 1b cannot be increased. Become.

  Furthermore, the clearance S between the radiator 1 and the engine hood 7 can be made large by disposing the protrusion 11 formed with the through hole 10 on the vehicle rear side. Thereby, when the vehicle and the pedestrian collide and the pedestrian is put on the engine hood 7, the collision energy can be absorbed more, and thus the safety for the pedestrian can be improved. .

(Other embodiments)
In each of the above embodiments, the embodiment in which the present invention is applied to the downflow radiator 1 in which the cooling water flows in the vertical direction has been described. However, the present invention is applied to the crossflow radiator in which the cooling water flows in the horizontal direction. It can also be applied.

  In each of the above embodiments, in order to assemble the bracket 5 to the capacitor 2, the method of inserting the pin 2c provided in the capacitor tank 2b into the hole 5a provided in the bracket 5 is used. Other methods such as fitting and bolting may be used.

  Moreover, in each said embodiment, although the beam part 50 was provided in the bracket 5, the beam part 50 does not need to be provided.

It is a perspective view which shows the state which looked at the cooling module which concerns on 1st Embodiment from the vehicle front side. It is a perspective view which shows the state which looked at the cooling module which concerns on 1st Embodiment from the vehicle rear side. It is an expansion perspective view which shows the principal part of the radiator 1 which concerns on 1st Embodiment. It is an expansion perspective view which shows the principal part of the capacitor | condenser 2 which concerns on 1st Embodiment. It is an expansion perspective view which shows the state which assembled | attached the bracket 5 to the capacitor | condenser 2 which concerns on 1st Embodiment. It is an expansion perspective view which shows the principal part of the bracket 5 which concerns on 1st Embodiment. It is an expansion perspective view which shows the principal part of the cooling module which concerns on 1st Embodiment. It is a top view which shows the state which looked at FIG. 7 from the vehicle upper side. It is an expansion perspective view which shows the principal part of the radiator 1 which concerns on 2nd Embodiment. It is an expansion perspective view which shows the cooling module which concerns on 2nd Embodiment. It is an expanded sectional view which shows the state which mounted the cooling module which concerns on 2nd Embodiment in the vehicle. It is an expansion perspective view which shows the conventional radiator J1. It is an expansion perspective view which shows the conventional cooling module.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Radiator (heat exchanger), 1a ... Radiator core (heat exchange core part), 1b ... Radiator tank (tank part), 2 ... Condenser (other parts), 10 ... Through-hole.

Claims (5)

A heat exchange core part (1a) for exchanging heat between air and a heat medium passing through the inside; A heat exchanger (1) comprising
The tank part (1b) is provided with a through hole (10),
The cooling module according to claim 1, wherein another component (2) is fixed to the heat exchanger (1) through the through hole (10). The cooling module according to claim 1, wherein the through hole (10) is provided so as to penetrate the tank portion (1b). The cooling module according to claim 1, wherein the other component (2) has a claw portion (51) fitted to the through hole (10). One opening in the through hole (10) is provided in a surface opposite to the surface to which the other component (2) is fixed in the tank portion (1b),
The cooling module according to claim 3, wherein a tip of the claw portion (51) is exposed from the one opening. The heat exchanger is a radiator (1) that cools the cooling water by exchanging heat between cooling water and air,
The cooling according to any one of claims 1 to 4, wherein the other component is a condenser (2) that condenses the refrigerant by exchanging heat between the refrigerant circulating in the refrigeration cycle and air. module.

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