JP2590839Y2 - Heat exchanger mounting bracket - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION A heat exchanger mounting bracket according to the present invention is used for mounting a heat exchanger such as a radiator for radiating cooling water of an automobile engine or a condenser for radiating a refrigerant of an air conditioner for an automobile. Use to attach to.

[0002]

2. Description of the Related Art A heat exchanger made of aluminum as shown in FIG. 4 is widely used as a condenser of an air conditioner for a vehicle. In this heat exchanger, tanks 4 and 4 are provided at both ends of a core portion 3 composed of a number of heat transfer tubes 1 and 1 and fins 2 and 2, and each heat transfer tube 1 and 1 is provided inside the tank 4. The ends are connected. Side supports 5 and 5 are provided on both sides of the core portion 3, and both ends of each side support 5 and 5 are connected to the tanks 4 and 4 to reinforce the core portion 3.

As shown in FIG. 6, which will be described later, the side supports 5, 5 are formed into a pair of mounting plate portions 7a, 7b by bending both ends of a substrate portion 6 at right angles in the same direction. ing. The substrate 6 is fixed to an end of the core 3.

When the heat exchanger constructed as described above is mounted on a vehicle body, the heat exchanger is provided at a plurality of locations (for example, two locations surrounded by chain lines in FIG. 4) of the lower side support 5 constituting the heat exchanger. The heat exchanger is attached to the vehicle body via the mounting bracket 8 as shown in FIG.

The mounting bracket 8 is formed by processing a metal plate into a predetermined shape and then bending the metal plate to form a pair of side walls 9a and 9b and a support fixing member fixed to the vehicle body as shown in FIG. And a support piece 10 that can be fitted in the groove. The interval between the pair of side walls 9a and 9b is substantially equal to the interval between the pair of mounting plate portions 7a and 7b formed on the side support 5.

Accordingly, the outer side surface (the left side surface in FIG. 6) of the side wall 9a is attached to one of the mounting plate portions 7 provided on the side support 5.
a, the inner side surface of the side wall 9b (the left side surface in FIG. 6) and the outer side surface of the other mounting plate portion 7b (the right side surface in FIG. 6). In this state, the mounting bracket 8 and the side support 5 can be freely connected.

In order to connect the two members 8, 5, through holes 11 and 12 are provided at positions where the pair of mounting plate portions 7a and 7b and the side wall 9a are aligned with each other. A screw hole 13 is formed at a position corresponding to the through holes 11 and 12, and a bolt 14 inserted through each of the through holes 11 and 12 is screwed into the screw hole 13 and tightened. , 5 are connected.

Reference numerals 15 and 15 denote projecting arms for preventing the mounting plates 7a and 7b and the side walls 9a and 9b from being deformed due to excessive tightening of the bolt 14, and extending from both longitudinal ends of the side wall 9a. The bent portion is formed by bending the portion toward the side wall 9b. Edges and side walls 9 of the tension arms 15, 15
b so that there is a gap substantially equal to the thickness dimension of the mounting plate portion 7b between the inner surfaces of the tensioning arms 15 and 1b.
5 are defined. Therefore, when the mounting bracket 8 is connected to the side support 5 as described above, the mounting plate portion 7b is sandwiched between the inner surface of the side wall 9b and the end edges of the protruding arms 15,15.

When the heat exchanger as shown in FIG. 4 is mounted on the vehicle body using the mounting bracket 8 constructed as described above, first, as shown in FIG. In a state where the outer surface of the side wall 9a and the outer surface of the mounting plate portion 7b and the inner surface of the side wall 9b are in contact with each other,
Attach the mounting bracket 8 to the side support 5.

In this state, the through holes 11, 12 aligned with each other.
Then, the bolts 14 are inserted through the screw holes 13 and further screwed into the screw holes 13 and tightened to connect the two members 5 and 8 together. The tightening force of the bolt 14 is ensured by the tension arms 15, 15 whose end faces abut against the inner surface of the mounting plate 7b.

When the mounting bracket 8 is connected to the side support 5, the support piece 10 of the mounting bracket 8 is fitted into a concave groove of a supporting and fixing member fixed to the vehicle body, so that the heat exchanger is mounted. Attach to the body.

[0012]

However, since the conventional mounting bracket 8 is formed by processing a metal plate into a predetermined shape and then bending the metal plate, the manufacturing is troublesome. , Leading to a rise in production costs.

Further, when the mounting bracket 8 is connected to the side support 5, the mounting bracket 8 and the side walls 9a and 9b of the side support 5 are ideally connected in a state shown in FIG. For this purpose, the tension arms 15 are provided. However, despite the presence of the tension arms 15, 15, the bolt 1
As shown in FIG. 7B, the two members 5, 8 may be deformed due to excessive tightening of the member 4. Strut arm 15,
In order to improve the rigidity of the metal plate 15, measures such as increasing the thickness of the metal plate can be considered, but it cannot be adopted because it disadvantageously increases the weight.

Japanese Unexamined Utility Model Publication No. 4-95514 discloses a mounting bracket for preventing the above-mentioned deformation, but the mounting bracket described in this publication also has a metal plate processed into a predetermined shape. It is necessary to perform a complicated process such as forming a bent portion, which not only causes an increase in manufacturing cost but also prevents sufficient deformation.

In Japanese Utility Model Application Laid-Open No. 4-100681,
Although a mounting bracket for connecting the heat exchanger to the mounting surface is shown, the mounting bracket disclosed in this publication secures a connection portion to the mounting surface,
It is designed to improve the heat exchange performance, and prevents the mounting bracket and side support from being deformed due to over-tightening of the bolts when connecting to the side support as described above. Can not.

The heat exchanger mounting bracket of the present invention has been devised in view of the above circumstances.

[0017]

The heat exchanger mounting bracket according to the present invention has a pair of mounting plate portions by bending both ends of the substrate portion at right angles in the same direction, and the substrate portion has an end portion of a core portion. It is used to attach a heat exchanger equipped with a side support with a U-shaped cross section to the vehicle body. In the heat exchanger mounting bracket of the present invention, a solid support block having a width dimension larger than the interval between the pair of mounting plates is provided, and the support block is protruded from one side of the support block. A support piece, and a groove formed on the other surface of the support block portion along the length direction of the support block portion to divide the support block portion into a main portion and a sub-portion; The portion has a through hole provided in the width direction thereof, and a screw hole provided in the sub-portion in alignment with the through hole. The width dimension of the main portion is substantially equal to the interval between the pair of mounting plate portions.

[0018]

In order to mount a heat exchanger such as a radiator to a vehicle body using the heat exchanger mounting bracket of the present invention configured as described above, the following is performed.

First, with the length direction of the side support and the length direction of the support block portion aligned, the main portion of the support block portion is fitted between a pair of mounting plate portions provided on the side support. I do. At this time, since the width dimension of the main portion and the interval between the pair of mounting plate portions are almost the same, one of the mounting plate portions fits into the concave groove and, at the same time, the inner surface of the other mounting plate portion. However, it comes into contact with or close to one side surface of the main part.

Next, by appropriately moving the support block portion in the length direction of the side support, a through hole previously formed in the pair of mounting plate portions, a through hole formed in the main portion, The bolt is inserted from the main part side by aligning with the screw hole provided in the sub part. Then, the bolt is screwed into the screw hole and tightened to connect the mounting bracket of the present invention to the side support.

The main portion is a solid body, and the width of the main portion is substantially equal to the interval between the pair of mounting plate portions. Therefore, even if the bolt is tightened, the bolt may be overtightened. The side support and the mounting bracket are not significantly deformed. Also, the mounting bracket of the present invention can be easily formed by cutting the extruded material, so that there is no trouble in manufacturing.

After the mounting bracket of the present invention is fixedly connected to the side support, the support piece of the mounting bracket is pressed into the concave groove of the supporting and fixing member fixed to the vehicle body, so that the heat exchanger is mounted on the vehicle body. Attach.

[0023]

1 and 2 show a first embodiment of the present invention. The mounting bracket 16 according to the present invention is used for mounting a heat exchanger provided with a side support 5 having a U-shaped cross section to a vehicle body. As described above, the side support 5 is formed by bending both ends of the board portion 6 at right angles in the same direction to form a pair of mounting plate portions 7a and 7b.
It is fixed to the end of the core 3 (FIG. 4) of the heat exchanger.

In this embodiment, a solid support block 17 as shown in FIGS. 1 and 2 is provided by cutting an aluminum extruded material. The support block 17, mounting plate portion 7a, has a large width L ₂ than the distance W ₁ of 7b between its one surface (Fig. 1
A support piece 18 is protrudingly provided on the lower surface 2). This support piece 1
Numeral 8 is for fixing the mounting bracket 16 to the vehicle body, and can be press-fitted into a groove formed in a support fixing member made of rubber or the like fixed to the vehicle body.

On the other hand, the other surface of the support block 17 (the upper surface in FIGS. 1 and 2) is formed with a groove 19 extending in the length direction of the support block 17 (the front and back direction in FIG. 2). ,
The concave portion 19 divides the support block 17 into a main portion 20 and a sub-portion 21.

When the mounting bracket 16 is coupled to the side support 5, the main portion 20 is fitted between a pair of mounting plate portions 7a and 7b, and a bolt 14 to be described later is used.
To prevent the mounting plate portions 7a and 7b from being deformed due to excessive tightening of the bolt 14 at the time of tightening.
_1, the pair of mounting plate portions 7a, the distance W ₁ of 7b, and substantially coincide.

The sub-portion 21 includes the mounting bracket 1
When coupling 6 to the side support 5, the mounting plate 7b fitted into the concave groove 19 is sandwiched between the main portion 20 and a bolt 14 described later is inserted into a screw hole 22 provided at an intermediate portion thereof. The side support 5 and the mounting bracket 16 are connected by screwing.

The main portion 20 is provided with a through hole 23 for inserting the bolt 14 in the width direction thereof. The sub-portion 21 has a screw hole 22 aligned with the through-hole 23.
Is engraved. This screw hole 22 is formed as in this embodiment,
In addition to threading the intermediate portion of the sub-portion 21 at a position matching the through-hole 23, for example, a through-hole matching the through-hole 23 is provided in the sub-portion 21 and the A female screw member such as a nut may be fixed at a position matching the position.

When the heat exchanger having the side support 5 is mounted on the vehicle body by using the heat exchanger mounting bracket 16 of the present invention configured as described above, the following is performed.

First, the length direction of the side support 5 (FIG. 4)
And the support block 1
The main portion 20 of the support block portion 17 is fitted between a pair of mounting plate portions 7a and 7b provided on the side support 5 in a state where the length direction of the support block 7 coincides with the length direction.

The distance W ₁ between the pair of mounting plate portions 7a and 7b,
Since substantially equal to the dimension L ₁ over the width direction of the main portion 20, the mounting plate portion 7a, is at the state of fitting the main portion 20 between 7b, the inner surface of the attachment plate portion 7a is the main portion 20 One side (Fig. 2
Of the main portion 20 and the inner surface of the sub-portion 21 while the mounting plate portion 7b is fitted in the concave groove 19. You. However, even in this state, the width and the like of the concave groove 19 are determined so that the relative movement between the side support 5 and the mounting bracket 16 in the length direction can be relatively easily performed.

Next, the main part 20 is connected to a pair of mounting plate parts 7a,
7b, the mounting bracket 16 is appropriately moved in the length direction of the side support 5, and the through holes 23 provided in the main portion 20 and the screw holes 2 provided in the sub
2, through holes 11, 11 provided in a pair of mounting plate portions 7a, 7b
To each other.

Then, as shown in FIG. 2, the bolt 14 is inserted from the mounting plate portion 7a side, screwed into the screw hole 22, and tightened. As a result, the mounting bracket 16 is connected to the side support 5 at the lower end of the heat exchanger. The mounting bracket 16 is connected to a plurality of positions (for example, two positions) of the side support 5 as in the related art.

In the present invention, the mounting bracket 16 is a solid body, and the width L ₁ of the main portion 20 is substantially equal to the distance W ₁ between the pair of mounting plate portions 7a and 7b. Therefore, when the mounting bracket 16 and the side support 5 are assembled as shown in FIG. 2 and the bolts 14 are tightened, the bolts 14 are not over-tightened, and the main portion 20 and the sub-portion 21 as well as portions between them are used. Side support 5 including a pair of mounting plate portions 7a and 7b in which main portion 20 is fitted.
However, there is no significant deformation due to the excessive tightening. or,
The mounting bracket 16 of the present invention can be easily manufactured by cutting an aluminum extruded material, so that the time and effort required for the manufacturing and the cost are not increased.

When a predetermined number of the mounting brackets 16 are connected to the side support 5 as shown in FIG. 2, the support pieces 18 constituting the mounting brackets 16 are pressed into the concave grooves formed in the support fixing member. By doing so, the heat exchanger is attached to the vehicle body.

FIG. 3 shows a second embodiment of the present invention. In this embodiment, the mounting bracket 16a is formed by injection molding of a synthetic resin. or,
Along with this, a screw hole 22 provided in the sub-portion 21 is formed by inserting a nut 24 during injection molding. Further, in the present embodiment, a convex portion 25 for positioning the side support 5 is provided on the upper surface of the main portion 20 along the length direction (the front and back direction in FIG. 3). Other configurations and operations are the same as those of the first embodiment.

[0037]

[Effect of the Invention] The bracket for mounting the heat exchanger of the present invention can be manufactured more easily than the conventional bracket. That is,
By cutting the extruded material, the extruded material can be integrally formed including the main part for preventing over-tightening of the bolt. Further, the workability is better than in the case of manufacturing a conventional mounting bracket, and as a result, the shape and dimensional accuracy are improved.

Further, since the mounting to the side support can be easily performed by fitting the main portion between the pair of mounting plate portions, the work of connecting the mounting bracket to the side support can be performed quickly. become. Furthermore, when the mounting bracket is assembled to the side support and the bolt is tightened, overtightening can be reliably prevented, and the mounting bracket and the side support can be reliably prevented from being significantly deformed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention.

FIG. 2 is a view corresponding to an AA cross section of FIG. 1 shown in a state of being coupled to a side support.

FIG. 3 is a view similar to FIG. 2, showing a second embodiment of the present invention;

FIG. 4 is a perspective view showing an example of a heat exchanger attached to a vehicle body.

FIG. 5 is a perspective view showing an example of a conventional heat exchanger mounting bracket.

FIG. 6 is a view corresponding to a cross section taken along the line BB of FIG.

FIG. 7 is a plan view showing a state where the mounting bracket is connected to the side support.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Heat transfer tube 2 Fin 3 Core part 4 Tank 5 Side support 6 Substrate part 7a, 7b Mounting plate part 8 Mounting bracket 9a, 9b Side wall 10 Supporting piece 11, 12 Through hole 13 Screw hole 14 Bolt 15 Protruding arm 16, 16a For mounting Bracket 17 Support block part 18 Support piece 19 Depressed groove 20 Main part 21 Sub part 22 Screw hole 23 Through hole 24 Nut 25 Convex part

Claims (1)

(57) [Scope of request for utility model registration] 1. A heat exchanger having a side support having a U-shaped cross section, wherein both ends of a substrate are bent at right angles in the same direction to form a pair of mounting plates, and the substrate is fixed to an end of a core. A mounting bracket for mounting the heat exchanger to a vehicle body, the supporting block having a width larger than the interval between the pair of mounting plates, and a solid support block protruding from one surface of the support block. And a concave groove formed on the other surface of the support block portion over the length direction of the support block portion to divide the support block portion into a main portion and a sub portion. The main portion has a through-hole provided in the width direction thereof, and a screw hole provided in the sub-portion in alignment with the through-hole.
A heat exchanger mounting bracket that approximately matches the distance between the pair of mounting plate portions.