JPS5812061Y2 - Heat exchanger with reinforcement - Google Patents

Description

[Detailed explanation of the idea] The present invention relates to a heat exchanger with reinforcement.

Heat exchanger A generally used in automobile radiators, etc.
As shown in Figure 1, upper and lower seat plates 3,
A liquid pipe 5 is inserted through the tube 4, and a side plate 6 is installed on both sides. 7 is attached, heat transfer fins 8 are sandwiched between the side plates 6, 7 and each liquid pipe 5, and the cooling water is cooled by blowing air from a fan (not shown).

However, the relatively large heat exchanger A must be reinforced against internal pressure and vibrations to have a solid structure, so the heat exchanger The core portion 10 is surrounded by a reinforcing body 9 made of at least one narrow strip stay.

However, since the ends of this reinforcing body 9 are connected by clips or bolts 11 as shown in FIG. This becomes a hindrance when brazing the mounting frame 12 to the core portion 10, etc., and it is not easy to tighten with bolts or the like, and the tightening force tends to be insufficient.

Further, since the reinforcing body 9 is provided so as to cover the core through which the wind flows, it becomes a ventilation resistance and becomes a factor in reducing the cooling capacity of the radiator.

Therefore, the present invention aims to eliminate the defects of the conventional heat exchanger, and to obtain a heat exchanger that is simple and can be tightened strongly, has a simple structure, and is equipped with a reinforcing body that does not create ventilation resistance. In particular, this reinforcing body is a U-shaped rod that straddles both the upper and lower ends of the side plates of the heat exchanger so as to sandwich the both sides of the plates. It is characterized by having curved pressing parts at both ends.

Hereinafter, a heat exchanger equipped with a reinforcing body according to the present invention will be explained with reference to the drawings.

Figures 3 to 4 (The same reference numerals are given to the parts in Figure 1 and 1 or 1)
shows an example of a heat exchanger B according to the present invention, and this heat exchanger B has a through upper tank 1 fitted to upper and lower seat plates 3 and 4.
and a lower tank 2, and a large number of liquid pipes 5 are provided to pass between the two tanks, and side plates 6,
7 is attached, heat transfer fins 8 are installed between the side plates 6, 1 and each liquid pipe 5 to form a core part 10, and a pole frame 12 is provided on the outside of this core part 10 by brazing or the like. This pole frame 12 allows the heat exchanger to be fixed to the automobile itself.

However, in large heat exchangers, there is a risk that the core portion 10 may collapse due to internal pressure and vibration due to long-term use, so it must be reinforced with a reinforcing body, but in the present invention, this reinforcement is not possible. This is done by a reinforcing body 13, which is a U-shaped rod that straddles between the side plates 6, 7, and is equipped with a bent pressing part 14, 14 that presses the both side plates 6, 1 from the outside. It is said that

In the case of a large heat exchanger, there are various restrictions on the mounting position of the reinforcing body 13, and in this embodiment, the reinforcing body 13 is mounted at the center of both the upper and lower ends of the side plate.

Note that this restriction means that the reinforcing heat parts 15 are installed on the side plates 6 and 7.
Since the reinforcing body 13 is provided in the vertical direction, it is impossible to fit the reinforcing body 13 except from the top and bottom of the side plate, and in the case of a large heat exchanger, there are two rows of liquid pipes 5 (although there are cases where there are three or more rows). ), therefore, if a reinforcing body is not provided in the center of this row, the openings of the liquid pipes 5 will be blocked.

Further, the bent pressing portions 14.14 of the reinforcing body 13 expand outward with respect to one straight portion 11 as shown in FIG. It is configured so that

Therefore, this reinforcing body 13 is fitted into the groove 16 formed in the side plates 6, 70, and the aforementioned seat plate 3 or 4 is attached from above or below to prevent the reinforcing body 13 from coming off the side plates 6, 7. After this, the bending pressing portion 14 tightens the both side plates 6 and 7 from the outside so that they are close to each other.

The present invention is not limited to the reinforcing body shown in FIG. In order to curve the straight portion 17 and make it easier for the bent pressing portion 1 to fit into the both side plates, this reinforcing body may be made of an elastic body.

As described above, in the present invention, when reinforcing the core portion of the heat exchanger, U-shaped rods are installed at both upper and lower ends of the side plates of the core portion so as to sandwich the side plates. Since the reinforcing body is provided with bending pressing parts at both ends to press the both side plates from the outside, the reinforcement can be performed easily and strongly, and the structure of the reinforcing body is simple. Since no bolts are required, manufacturing is easy and costs can be reduced.Furthermore, the reinforcement body is provided using the so-called get space where wind does not circulate.
It has extremely excellent practical effects, such as not acting as a wind resistor and not degrading the performance of the heat exchanger.

[Brief explanation of drawings]

Fig. 1 is a partially sectional front view showing a conventional heat exchanger, Fig. 2 is a cross sectional view of the main part of Fig. 1, and Fig. 3 is a partially sectional front view showing an embodiment of the present invention. , FIG. 4 is a perspective view of the main part of FIG. 3, and FIGS. 5 and 6 are front views showing the reinforcing body. B...Heat exchanger, 1...Upper tank, 2...Lower tank, 3, 4...Seat plate, 5...Liquid pipe , 6゜7...Side plate, 8
...Fin, 10...Core part, 13.
...Reinforcement body, 14...Bending pressing part, 16
... Concave groove, 11 ... Straight section.

Claims (1)

[Scope of utility model registration request] 1. It has an upper tank and a lower tank that fit into the upper and lower seat plates, and a large number of liquid pipes are installed to pass between the two tanks. Side plates are attached to both sides, and heat transfer fins are installed between the side plates and each liquid pipe. Attach it to shape the core,
In a heat exchanger equipped with a reinforcing body for reinforcing the core portion against internal pressure and vibration, the reinforcing body has a U-shaped shape that straddles the upper and lower ends of the both side plates so as to sandwich the both side plates. What is claimed is: 1. A heat exchanger equipped with a reinforcing body, characterized in that the rod body is provided with bent pressing parts at both ends for pressing the both side plates from the outside. 2. The scope of the utility model registration claim, characterized in that the bending pressing portion is expanded outward with respect to the straight portion of the reinforcing body, and this expansion serves as a tightening margin for the both side plates. A heat exchanger comprising the reinforcing body according to item 1. 3. A thermal device equipped with a reinforcing body according to claim 1 of the utility model registration, characterized in that the reinforcing body is made of an elastic member, and the bending pressing part thereof is bent inward. exchanger.