JP2003285654A - Fixing structure of heat exchanger for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fixing structure of a heat exchanger for a vehicle for use in fixing the heat exchanger to side members of the vehicle such as a track and the like through brackets and to perform an easy and positive holding of the heat exchanger at predetermined positions of the brackets. <P>SOLUTION: This fixing structure of a heat exchanger for vehicle for use in fixing the heat exchanger to side members of a vehicle frame through brackets is characterized in that a pair of brackets are fixed while being spaced apart in a longitudinal direction of the side members and at the same time in that recessed grooves are formed at the pair of brackets and some fixing members for use in fixing the heat exchanger to the brackets are held in the recessed grooves. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle heat exchanger mounting structure for mounting a heat exchanger on a side member of a vehicle such as a truck via a bracket.

[0002]

2. Description of the Related Art Conventionally, in a vehicle such as a truck, a bracket is fixed to a side member of a frame, and a heat exchanger such as an auxiliary radiator is attached to the bracket. The heat exchanger is attached to the bracket by fixing the heat exchanger to the bracket with bolts and nuts while holding the heat exchanger with a hand or the like.

[0003]

However, in such a conventional mounting method, when the weight of the heat exchanger becomes large, it becomes difficult to hold the heat exchanger in a predetermined position of the bracket by hand, and the bracket is difficult to hold. There was a problem that a large number of man-hours were required to attach the heat exchanger to the.

The present invention has been made to solve the above conventional problems, and provides a mounting structure of a heat exchanger for a vehicle capable of easily and reliably holding the heat exchanger at a predetermined position of a bracket. The purpose is to

[0005]

According to a first aspect of the present invention, there is provided a heat exchanger mounting structure for a vehicle, comprising: a side member of a frame of a vehicle;
In a vehicle heat exchanger mounting structure for mounting a heat exchanger via a bracket, while fixing a pair of brackets at intervals in the longitudinal direction of the side member,
A cutout groove is formed in the pair of brackets, and a mounting member for fixing the heat exchanger to the bracket is held in the cutout groove.

The mounting structure of the vehicle heat exchanger according to claim 2 is:
The vehicle heat exchanger mounting structure according to claim 1, wherein the notch groove has an inlet portion wider than an outer diameter of the mounting member, and a positioning portion to which the mounting member fits is formed in a rear portion. It is characterized by A mounting structure for a vehicle heat exchanger according to claim 3 is the mounting structure for a vehicle heat exchanger according to claim 1 or 2, wherein both sides of the cutout groove of the mounting member held in the cutout groove are The rubber member is arranged at the position.

(Operation) In the vehicle heat exchanger mounting structure of the first aspect, the notch groove is formed in the pair of brackets fixed at intervals in the longitudinal direction of the side member. Then, before the heat exchanger is mounted on the bracket, the mounting member is mounted on the heat exchanger in advance, and the mounting member is engaged with the notch groove of the bracket to temporarily hold the heat exchanger on the bracket.

Then, in this temporarily held state, the mounting member is fixed to the bracket. In the vehicle heat exchanger mounting structure according to the second aspect, since the inlet portion of the notch groove is sufficiently wider than the outer diameter of the mounting member, the mounting member can be easily engaged. Further, since the positioning portion into which the mounting member fits is formed in the inner part of the cutout groove, the positioning of the mounting member becomes easy.

In the vehicle heat exchanger mounting structure according to the third aspect of the present invention, the mounting member is previously mounted on the heat exchanger before the mounting of the heat exchanger to the bracket, and the positions are on both sides of the notch groove of the mounting member. A rubber member is arranged in advance. And
A portion of the mounting member located between the rubber members is engaged with the cutout groove of the bracket.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention shown in the drawings will be described. (First Embodiment) FIG. 1 shows a first embodiment of a vehicle heat exchanger mounting structure according to the present invention. In this embodiment, the present invention is mounted on a vehicle such as a truck. It is applied to auxiliary radiators.

In FIG. 1, reference numeral 11 denotes a frame of a truck, and the frame 11 is constructed by a cross member 15 bridged between a pair of side members 13 arranged at a predetermined interval. Has been done. The side member 1 is provided on the side surface 13a of one side member 13.
A pair of brackets 17 are arranged at intervals in the longitudinal direction of 3.

The brackets 17 are fixed to the side surface 13a of the side member 13 by bolts 19. A notch groove 17a is formed in each of the pair of brackets 17. In FIG. 1, reference numeral 21
Shows a heat exchanger consisting of an auxiliary radiator.
The heat exchanger 21 is configured by forming a core portion 27 between an upper tank 23 and a lower tank 25.

As shown in FIG. 2, support members 29 are fixed to both sides of the upper tank 23. This support member 29
A through hole 29a is formed in this, and a bolt 31 which is a mounting member is inserted therein. A nut 33 is screwed onto the tip of the bolt 31. Support members 35 are fixed to both sides of the lower tank 25.

A through hole 35a is formed in the support member 35. In FIG. 2, the bracket 17 is formed with a cutout groove 17a into which a bolt 31 mounted on the support member 29 of the upper tank 23 is engaged. This notch groove 1
As for 7a, as shown in FIG. 3, the height H of the inlet portion 17b is made sufficiently wider than the outer diameter R of the bolt 31.

Further, a positioning portion 17c into which the bolt 31 is fitted is formed in the inner portion. In the vehicle heat exchanger mounting structure described above, as shown in FIG.
Before attaching the bracket to the bracket 17, the heat exchanger 21
A bolt 31 and a nut 33 are attached to the support member 29 of the upper tank 23. Then, as shown by an arrow A in FIG. 2, the heat exchanger 21 is moved to move the bolt 3 of the support member 29.
By engaging 1 with the cutout groove 17 a of the bracket 17, the heat exchanger 21 is temporarily held by the bracket 17.

In this temporarily held state, the bracket 17
The lower tank 25 of the heat exchanger 21 is provided below the bottom portion 17d of the
Of the support member 35, the bolt 37 is inserted from the lower side into the through hole 35a formed in the support member 35 and the through hole 17e formed in the bottom surface portion 17a of the bracket 17,
By screwing the nut 39 into the tip, the lower tank 25
The support member 35 is fixed to the bottom surface portion 17d of the bracket 17.

Then, as shown in FIG. 4, the cutout groove 17a is formed.
The support member 29 of the upper tank 23 is fixed to the notch groove 17 a of the bracket 17 by screwing the nut 33 into the bolt 31 that is engaged with. In the mounting structure of the heat exchanger for a vehicle described above, the bolt 31 and the nut 33 are previously attached to the support member 29 of the heat exchanger 21, and the bolt 31 is engaged with the positioning portion 17c of the cutout groove 17a of the bracket 17. Thus, the heat exchanger 21 can be easily and surely held at the predetermined position of the bracket 17.

Further, in the above-described vehicle heat exchanger mounting structure, since the inlet portion 17b of the cutout groove 17a is made sufficiently wider than the outer diameter of the bolt 31, the bolt 31 can be easily engaged. In addition, the bolt 3 is provided at the back of the cutout groove 17a.
Since the positioning portion 17c into which 1 is fitted is formed, the bolt 31 can be easily positioned at a predetermined position.

In the vehicle heat exchanger mounting structure described above, since the bolt 31 of the support member 29 of the upper tank 23 is engaged with the notch groove 17a of the bracket 17 to hold the heat exchanger 21, the bracket 17 Even when the support member 35 of the lower tank 25 of the heat exchanger 21 is located below the bottom surface portion 17d of the heat exchanger 21, the support member 35 of the lower tank 25 can be easily fixed to the bottom surface portion 17d of the bracket 17.

(Second Embodiment) FIG. 5 shows a second embodiment of the present invention.
In this embodiment, the mounting rubber member 41 is arranged at both sides of the cutout groove 17a of the bolt 31 held in the cutout groove 17a of the bracket 17. ing. In this embodiment, the same members as those in the first embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

In this embodiment, before mounting the heat exchanger 21 on the bracket 17, a bolt 31 and a nut 33 are attached to the support member 29 of the upper tank 23 of the heat exchanger 21 in advance, and the notch groove of the bolt 31. The rubber members 41 are arranged in advance on both sides of 17a. Then, the portion of the bolt 31 located between the rubber members 41 is engaged with the notch groove 17 a of the bracket 17, and the heat exchanger 21 is temporarily held by the bracket 17.

In this temporarily held state, as shown in FIG. 6, the support member 35 of the lower tank 25 of the heat exchanger 21 is located below the bottom surface portion 17d of the bracket 17, and is formed on the support member 35. The rubber member 4 in advance in the through hole 35a.
1 is inserted through the bolt 37 from below, the rubber member 41 is again inserted therethrough, and then the bolt 37 is inserted through the through hole 17e formed in the bottom surface portion 17d of the bracket 17 from below, The support member 35 of the lower tank 25 is fixed to the bottom surface portion 17d of the bracket 17 by screwing the nut 39 into the.

Then, the nut 33 is screwed into the bolt 31 engaged with the cutout groove 17a of the bracket 17, so that the support member 29 of the upper tank 23 is inserted into the cutout groove 17a of the bracket 17 via the rubber member 41. Fixed. Also in this embodiment, the same effect as that of the first embodiment can be obtained. And in this embodiment, the bolt 3
The rubber member 4 is previously provided at a position on both sides of the notch groove 17a.
Since 1 is arranged, the rubber member 41 can be easily arranged on both sides of the cutout groove 17a of the bracket 17.

In the above-described embodiment, an example in which the present invention is applied to the attachment of the heat exchanger 21 composed of the auxiliary radiator to the bracket 17 has been described, but the present invention is not limited to such an embodiment. Without, for example,
It can be widely applied to the heat exchanger 21 such as an oil cooler. Further, in the above-described embodiment, the example in which the bolt 31 and the nut 33 are used as the mounting member has been described, but the present invention is not limited to this embodiment, and members other than the bolt 31 and the nut 33 are used. Is also good.

[0025]

As described above, in the vehicle heat exchanger mounting structure according to the first aspect of the present invention, the mounting member is mounted in advance on the heat exchanger, and the mounting member is engaged with the notch groove of the bracket. The heat exchanger can be easily and surely held at the predetermined position of the bracket. In the mounting structure of the heat exchanger for a vehicle according to the second aspect, since the inlet of the cutout groove is made sufficiently wider than the outer diameter of the mounting member, the mounting member can be easily engaged.

Further, since the positioning portion into which the mounting member is fitted is formed in the inner portion of the cutout groove, the mounting member can be easily positioned at a predetermined position. In the vehicle heat exchanger mounting structure according to the third aspect of the invention, the rubber member is arranged in advance on both sides of the cutout groove of the mounting member, so that the rubber member can be easily arranged on both sides of the cutout groove of the bracket. .

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of a mounting structure for a vehicle heat exchanger of the present invention.

2 is a perspective view showing details of a heat exchanger and a bracket of FIG. 1. FIG.

FIG. 3 is an explanatory view showing details of a notch groove formed in the bracket of FIG.

FIG. 4 is an explanatory view showing a state where a heat exchanger is fixed to the bracket of FIG.

FIG. 5 is an explanatory view showing a main part of a second embodiment of the vehicle heat exchanger attachment structure of the present invention.

FIG. 6 is an explanatory view showing a state where a heat exchanger is fixed to a bottom surface portion of a bracket.

[Explanation of symbols]

11 frames 13 side members 17 bracket 17a Notch groove 17b entrance 17c Positioning part 21 heat exchanger 31 Volts 33 nuts 41 Rubber member

Claims (3)

[Claims] 1. A mounting structure of a heat exchanger for a vehicle, wherein a heat exchanger is mounted on a side member of a frame of a vehicle via a bracket, wherein a pair of brackets are fixed at intervals in a longitudinal direction of the side member. A mounting structure for a vehicle heat exchanger, characterized in that a cutout groove is formed in the pair of brackets, and a mounting member for fixing the heat exchanger to the bracket is held in the cutout groove. 2. The mounting structure for a vehicle heat exchanger according to claim 1, wherein the notch groove has an inlet portion wider than an outer diameter of the mounting member, and a positioning portion into which the mounting member fits in a rear portion. A mounting structure for a heat exchanger for a vehicle, wherein: 3. The mounting structure for a vehicle heat exchanger according to claim 1, wherein a rubber member is arranged at a position on both sides of the cutout groove of the mounting member held in the cutout groove. A heat exchanger mounting structure for a vehicle, which is characterized in that