JP2590587Y2 - Intercooler cover - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover for covering an outer periphery of an intercooler formed by laminating an elongated dish-shaped metal plate (flat oval type) in the opposite direction to form an element and laminating the elements. It mainly relates to a device attached to a vehicle.

[0002]

2. Description of the Related Art There is an intercooler for a vehicle, in which a pair of elongated plate-shaped plates having communication holes at both ends are superposed in the opposite direction to constitute an element, and the element is laminated in a plurality of stages. I do. That is, there is a type in which charge air is circulated in each element and cooling air is circulated in the outer periphery of the element to perform heat exchange. In such an intercooler, a cover that covers the outer periphery and efficiently guides the cooling air between the elements may be attached. This cover has been firmly attached via a screw or the like to a support member projecting into the engine room of the vehicle.
As another mounting method, there is a method in which a bracket is protruded from the intercooler itself, and the cover is fastened with a fastener via the bracket.

[0003]

In any case, the cover of the conventional intercooler requires separate parts for mounting the cover, and requires fasteners such as bolts and nuts for mounting. Therefore, the present invention skillfully utilizes the irregularities projecting from the outer periphery of the intercooler itself,
An object of the present invention is to provide a cover that can be attached with one touch without adding a separate part, and the following configuration is employed to achieve the purpose.

[0004]

The cover of the intercooler according to the present invention is such that the intercooler 8 is laminated by air-tightly brazing a plurality of elements 7 to each other at the edge of the communication hole 2. Consists of This element 7
It has a pair of flat, oval, elongated plates 3 and 4 which are aligned with each other and provided with communication holes 2 at both ends in the longitudinal direction, at least one of which is recessed in a dish-like shape, and a small brazing flange portion on the outer periphery. 1 is formed. Then, a notch 5 for locking is formed at the long-axis end of the oval shape of one plate 3, and a bent portion 6 for engagement is formed on the other plate 4 so as to be aligned therewith. The two plates 3, 4 are air-tightly brazed and fixed to each other by the small flange portion 1.

The feature of the present invention in such a cover of the intercooler 8 is that the cover body 9 having both ends in the stacking direction and both ends in the longitudinal direction of the intercooler fitted therein and having both ends in the width direction opened. Have. Then, at least a pair of arcuate fitting portions 11 and 12 project from inner surfaces of both ends in the longitudinal direction of the cover body 9. And that lonely fitting part
11 and 12 have edges 10 which are aligned with the outer peripheral surfaces of both ends in the longitudinal direction of the element 7, and have a plane in which one abuts on the lower surface of the small flange 1 of one element 7, and Has the other flat surface aligned with the upper surface of the small flange portion 1. Furthermore, the notch 5 of the plate 3
An engagement portion 13 is provided so as to protrude from the plane of the arcuate fitting portion 11 so as to be aligned.

[0006]

When the cover of the present invention is fitted from the front side in the width direction of the intercooler, a pair of arc-shaped fitting portions 11 projecting from both ends of the cover are aligned with the outer peripheral surface of the element 7.
The contact of the element 7 with the small flange 1 prevents the element 7 from moving in the stacking direction. At the same time, the engaging portion 13 protruding from the arc-shaped fitting portion 11 is fitted to the notch 5 of the plate 3 constituting the element 7 and is fixed in the width direction so as not to come off. In this way, the cover can be attached to the intercooler with almost one touch.

[0007]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of an intercooler cover according to the present invention. FIG. 1 is a schematic perspective view of the cover of the present invention as viewed from the back side, and FIG. 2 is an explanatory view of attaching the cover to the intercooler 8. FIG. 3 is an enlarged view of a main part of the explanatory view of the mounting, FIG. 4 is a side view of the same, and FIG. 5 is a plan view of the main part showing the mounting state. or,
FIG. 6 is a longitudinal sectional view of the same, and FIG. 7 is an exploded view of a main part of the element 7. This cover is configured so as to be fitted on an outer cooler of an intercooler formed by laminating elements. That is, first, the intercooler 8 is configured as shown in FIGS. As shown in FIG. 7, a pair of plates 3 and 4 in which the element 7 is formed in an elongated flat dish shape are superposed in the opposite directions.

Both ends of these plates 3 and 4 bulge outward, and communication holes 2 are formed in the bulges. or,
A small brazing portion 1 for brazing is formed in an annular shape on the outer periphery of each plate, a cutout portion 5 is formed at one longitudinal end thereof, and a bent portion 6 is formed at the other end thereof. The bent portion 6 and the notched portion 5 are configured to be fitted in the opposite directions. Since the size of the notch 5 is formed to be larger than the thickness of the bent portion 6, a concave portion is formed in the state where the bent portion 6 is fitted to the notch 5 as shown in FIG. One of the communication holes 2 formed at both ends of the plates 3 and 4 has a burring portion on the outside, and the other is formed in an opening corresponding to the burring portion. Therefore, in the stacked state, the protruding portion of the communication hole 2 of the lower element 7 is engaged with the communication hole 2 of the upper element 7 as shown in FIG. The element 7 is provided with an inner fin 17.

The plates 3 and 4 are made of an aluminum plate whose inner and outer surfaces are coated with a brazing material in advance, and the plate 3 of the uppermost element 7 has no communication hole or has a closed communication hole. And a boss (not shown) for introducing charge air is provided in the communication hole 2 of the lowermost element 7. Then, the entire assembly is held by an appropriate jig in an assembled state as shown in FIG. 6, inserted into a high-temperature vacuum furnace, and brazed and fixed between the contact portions of the components in a liquid-tight manner. The cover of the present invention for the intercooler 8 thus formed is entirely formed as shown in FIG. That is, the cover body 9 is formed in a size to fit the outer periphery of the whole intercooler, and the opening 14 is formed on the front side thereof.
Is provided, and the outer periphery of the opening 14 is formed in a frame shape.
Furthermore, on the inner surface side of both ends in the longitudinal direction of the cover body 9,
A pair of arcuate fitting portions 11 and 12 which are separated from each other in the width direction are provided so as to protrude in total.

As shown in FIG. 2, the edges 10 of the arcuate fitting portions 11 and 12 have an arcuate shape that matches the outer peripheral surfaces of the circular enlarged portions 15 at both ends of each element 7, and The arc is formed at an angle of about 110 ° to 120 °. An engagement portion 13 is provided on the surface of the arcuate fitting portion 11. The engaging portion 13 is provided so as to be aligned with the notch 5 of the element 7. Also, as shown in FIG. 4, the height h of the upper and lower surfaces of the pair of arcuate fitting portions 11, 12 separated in the stacking direction.
Is the small flange 1 of each element 7 of the intercooler
It is formed substantially equal to the distance H between them. In addition, the cover of the present invention may be formed of a plastic molding or a metal plate. The book cover thus formed is fitted from the front side of the intercooler 8 as shown in FIG. 2, and the engaging portion 13 of the arcuate fitting portion 11 is fitted into the cutout portion 5 as shown in FIG. At the same time, the edge 10 of the arc-shaped fitting portion 11 is aligned with the outer peripheral surface of each element. The arc-shaped fitting portions 11 and 12 are formed by small flange portions 1 of the upper and lower elements as apparent from FIG.
Sandwiched between.

[0011]

According to the present invention, the cover of the intercooler of the present invention is composed of a laminate of elements formed by a pair of plate-shaped metal plates, at least one of which is formed by using a small flange portion of the element, and the cover is arranged in the laminating direction. The arcuate fitting portion is fitted to the small flange portion of the element so as not to be displaced. At the same time, since the engaging portion protruding from the arc-shaped fitting portion has a structure in which the engaging notch portion provided at both ends in the longitudinal direction of the element has a structure,
No special fasteners or support materials are required to support the cover, and the cover is simple in structure and easy to install. That is, the cover of the present intercooler can be fixed without adding screw parts for attachment.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a cover of the present invention.

FIG. 2 is an explanatory view of mounting the cover.

FIG. 3 is an enlarged view of a main part of the installation explanatory view.

FIG. 4 is a side view of the same.

FIG. 5 is a plan view showing an attached state.

FIG. 6 is a longitudinal sectional view of the same.

FIG. 7 is a perspective view of a main part of each plate constituting an element of the intercooler.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Small flange part 2 Communication hole 3, 4 plate 5 Notch part 6 Bending part 7 Element 8 Intercooler 9 Cover body 10 Edge part 11, 12 Loose fitting part 13 Engaging part 14 Opening 15 Circular enlarged part 16 Flat concave recess Part 17 Inner fin

Claims (1)

(57) [Scope of request for utility model registration] 1. A pair of flat, oval-shaped flat plates each having at least one recessed dish-like shape, small brazing flange portions 1 formed on the outer periphery thereof, and communication holes 2 provided at both ends in the longitudinal direction. One of the elongated plates 3 and 4 has a notch 5 for locking at one end of the plate 3 on the long axis of the oval shape, and a bent portion 6 for engagement which matches with the notch 5. And the two plates 3 and 4 are air-tightly brazed and fixed to each other by the small flange portion 1 to form an element 7, and a plurality of the elements 7 are formed at a hole edge of the communication hole 2. The cover of the intercooler 8, which is airtightly brazed and fixed to each other, covers both ends of the intercooler 8 in the stacking direction and both ends in the longitudinal direction, and a cover body 9 having both ends in the width direction opened. At least one pair of protrusions are provided on inner surfaces of both ends in the longitudinal direction of the cover body 9, respectively, and have an edge 10 that matches the outer peripheral surfaces of both ends in the longitudinal direction of the element 7, and the small flange portion 1 of one element 7 is provided. Has a flat surface with which one abuts on the lower surface of the other element 7
And the flat-shaped fitting portions 11 and 12 having the other flat surface that abuts on the upper surface of the small flange portion 1 and the flat-shaped fitting portion 11 so as to be aligned with the notch 5 for locking. Projecting engagement part
13. A cover for an intercooler, comprising: