JPH0347947Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is installed in the engine room in order to reduce engine noise transmitted from the engine room through the engine hood and emitted to the outside, and to provide heat insulation. This invention relates to an engine room cover device.

[Prior Art] Generally, most of the heat and noise generated by an engine is transmitted through the engine hood and radiated out of the engine compartment. For this reason, in the past, as shown in FIG. 17, a sound insulating/insulating material b was attached to the back surface of the engine hood a to reduce the heat and noise radiated outside the engine room c.

[Problems to be solved by the invention] However, simply attaching the sound insulation and heat insulation material b to the back surface of the engine hood a has a limit in its sound insulation and heat insulation properties, leaving room for improvement.

In addition, since the lower part of the engine room C is open, it is easy for dust to enter, and there is also the problem that the dust and oil mix and contaminate the electrical equipment installed in the engine room C. .

[Purpose of the invention] This invention was devised in consideration of the above circumstances, and its purpose is to reduce as much as possible the noise and heat of the engine transmitted from the engine room through the engine hood and radiated to the outside. It is an object of the present invention to provide an engine room cover device that can reduce heat and protect electrical equipment installed in the engine room from dirt and heat.

[Summary of the invention] In order to achieve the above object, the present invention divides the interior of the engine room into upper and lower parts from the inner peripheral wall to the outer peripheral part of the engine, and also surrounds the outer peripheral part to form a cylindrical shape. A heat-insulating sound-insulating board that stands upright and whose upper edge touches the engine hood is provided, and a space for storing electrical equipment and other components exposed when the engine hood is opened is formed on this heat-insulating sound-insulating board. A heat and sound insulation space is formed between the plate and the engine hood to reduce engine noise and heat that pass through the engine hood as much as possible, and electrical components are placed in the heat and sound insulation space. The housing protects electrical components from heat and dirt such as dust and oil.

[Embodiment] A preferred embodiment of the engine room cover device according to the present invention will be described in detail below with reference to the accompanying drawings.

FIG. 1 is a front sectional view of the engine compartment 2 of a vehicle equipped with the engine compartment cover device 1 according to the present invention, FIG. 2 is a plan view of the engine compartment 2 equipped with the engine compartment cover device 1, and FIG. The figure is a plan view of the heat and sound insulation plate 3 constituting the engine room cover device 1, and FIG. 4 is a rear view thereof.

As shown in FIGS. 1 and 2, the inside of the engine room 2 is divided into upper and lower parts from the inner circumferential wall 4 that partitions the engine room 2 to the outer circumference of the engine 5, and is made of materials such as A heat-insulating and sound-insulating plate 3 made of synthetic resin (plate) material, steel plate material, or the like is provided. An opening 6 is formed in the approximate center of this heat and sound insulation plate 3, and the inner edge 7 of the opening stands up in the shape of a cylinder surrounding the outer circumference of the engine, and the upper edge 8 of the opening extends over the engine hood 9. It is in contact with the inner wall. A flange 8a is formed on the upper edge 8 to be folded back further inward, and an elastic sealing material 10 is provided on the flange 8a to bring it into close contact with the inner wall of the engine hood 9. It is provided. This elastic sealing material 10 consists of a lower sealing material 10a having a U-shaped cross section that sandwiches the flange 8a, and an upper sealing material 10b that is integrally provided above the lower sealing material 10a and abuts against the engine hood 9.

That is, the heat-insulating and sound-insulating plate 3 is configured to partition the interior of the engine room 2 into upper and lower parts, surround the circumferential side of the engine 5, and form a heat-insulating and sound-insulating space 11 between it and the engine hood 9 above. The heat and sound insulation space 11 is sealed from the lower space 2a of the engine room 2 in which the engine 5 is installed.

In addition, as shown in FIGS. 2 to 12, on the heat and sound insulation plate 3, there is a storage space 12 for placing electrical parts such as batteries and relays, or air cleaners, washers, etc. It is formed by recessing the plate surface portion 3a of the sound insulating plate 3 downward, and its accommodation space 12 is exposed when the engine hood 9 shown in FIG. 1 is opened. In this embodiment, 12a is a battery storage space, and 12b is a relay storage space, and these storage spaces 12a, 1
As shown in FIG. 16, 2b is provided with a removable component cover member 13 that covers electrical components and the like to be stored therein. In addition, FIG. 5 is a view taken along the - line in FIG. 3, FIG. 6 is a sectional view taken along the − line, FIG. 7 is a view taken along the − line, FIG.
The figure is a sectional view taken along the - line, FIG. 10 is a sectional view taken along the - line, and FIG.
FIG. 2 is a sectional view taken along the - line. In these figures, reference numeral 14 denotes a heat-insulating and sound-absorbing material attached to the back surface of the heat-insulating and sound-insulating board 3, and this heat-insulating and sound-absorbing material 14 consists of glass wool 14a and aluminum foil 14b stuck to the lower surface of the glass wool 14a. Reference numeral 15 shown in FIGS. 9 and 12 and FIGS. 2 to 4 is a circular hole opened to expose the top of the strut tower.

On the other hand, FIGS. 13 to 15 show a fixing structure for removably attaching and fixing the heat and sound insulation board 3 to the body 16.
As shown in the drawings and FIG. 2, a mounting portion 17 is formed on the outer peripheral edge 3b of the heat-insulating and sound-insulating plate 3 for detachably attaching it to the inner circumferential wall 4 of the engine room 2.

FIG. 13 is a sectional view taken along the line - in FIG.
8 with screws 19a. 20
is a seal molding ring for sealing the joint fixed portion between the cowl panel 18 and the heat and sound insulation board 3.

FIG. 14 is a sectional view taken along the line - in FIG. 2, and the front end of the heat-insulating and sound-insulating plate 3 is attached to a support member 21 that supports a radiator, a front fender, etc. with screws 19b. Reference numeral 22 designates a clamp member for cords and the like that are secured together with the screw 19b.

FIG. 15 is a sectional view taken along the line - in FIG. 2, and the side end portion of the heat-insulating and sound-insulating plate 3 is attached to the body outer plate forming the front fender 23 with screws 19c. 24 is a lid that covers the head of the screw 19c.

Therefore, as is clear from the above configuration, the engine room cover device 1 of the present invention has an engine room 2 which is partitioned into upper and lower parts, and whose inner edge surrounds the circumferential side of the engine 5 in a cylindrical shape. A heat-insulating and sound-insulating plate 3 whose upper end edge 8 is in close contact with an engine hood 9 is provided, and a heat-insulating and sound-insulating space 11 is formed between this heat-insulating and sound-insulating plate 3 and the engine hood 9. Therefore, it is possible to reduce as much as possible the noise and hot air in the engine room 2, such as the engine 5, which is transmitted through the engine hood 9 and released to the outside, and the engine hood 9
The amount of heat transferred to the engine hood 9 is also reduced, and deterioration of the coating on the engine hood 9 can be suppressed as much as possible.

In addition, the board surface portion 3a of the heat and sound insulation board 3 is recessed downward, and a storage space 12 for electronic parts, etc. is provided on the board surface.
Since this is formed, electrical components such as batteries and relays, a washer fluid tank, an air cleaner, etc. can be placed in the heat and sound insulation space 11 between the heat and sound insulation board 9 and the engine hood 3. Since this heat-insulating and sound-insulating space 11 is sealed from the lower space 2a of the engine room 2 where the engine 5 is installed, hot air generated by the engine 5 does not enter, and electrical components etc. can be protected from heat. At the same time, dust that enters from below the open engine room 2 and oil from the engine 5 or its auxiliary equipment are also removed from the heat and sound insulation space 1.
Since it becomes difficult for the dirt to get into the inside of 1, electronic parts etc. can be protected from dirt such as dust and oil.

[Effects of the invention] In summary, the present invention provides the following excellent effects.

(1) In the engine room, we have installed a heat and sound insulating board that partitions it into upper and lower parts, and whose inner edge surrounds the peripheral side of the engine in a cylindrical shape, and whose upper edge is in close contact with the engine hood. A heat and sound insulation space can be formed between the heat and sound insulation board and the engine hood, making it possible to reduce as much as possible the noise and heat inside the engine room that is transmitted through the engine hood and radiated to the outside. .

(2) In addition, we created a storage space for electronic parts by making depressions on the heat-insulating and sound-insulating board, and storing the electronic parts in the heat-insulating and sound-insulating space. It becomes possible to protect it from dirt such as dust and oil.

[Brief explanation of the drawing]

Figure 1 is a front cross-sectional view of the engine compartment of a vehicle equipped with the engine compartment cover device according to the present invention, Figure 2 is a plan view of the engine compartment equipped with the engine compartment cover device, and Figure 3 is the engine compartment cover. A plan view showing the heat and sound insulation board of the device, FIG. 4 is a rear view thereof, FIG. 5 is a view taken along the - line in FIG. 3, FIG. 6 is a cross-sectional view taken along the - line in FIG. The arrow view, Figure 8 is the - line arrow view, Figure 9.
The figure is a sectional view taken along the - line, FIG. 10 is a cross-sectional view taken along the - line, FIG. The arrow sectional view, Fig. 14 is -
15 is a cross-sectional view taken along the line arrows, FIG. 16 is a side sectional view of a storage space for electrical components, etc., and FIG. 17 is a diagram illustrating a conventional heat and sound insulation structure for an engine room. It is. In the figure, 1 is an engine room cover device, 2 is an engine room, 3 is a heat and sound insulation plate, 4 is an inner peripheral wall, and 5 is an engine room cover device.
Reference numeral 8 designates an engine, 8 an upper edge of a cylindrical heat-insulating plate that surrounds the outer periphery of the engine, 9 an engine hood, and 12 a storage space for electrical components and the like.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) In the engine room, from the inner peripheral wall to the outer peripheral part of the engine, the room is divided into upper and lower parts, and the outer peripheral part is surrounded by a cylindrical shape, and the upper edge thereof 1. An engine room cover device, comprising: a heat-insulating and sound-insulating plate whose portion is in contact with an engine hood, and a housing space for electrical components and the like exposed when the engine hood is opened is formed on the heat-insulating and sound-insulating plate. (2) The engine room cover device according to claim 1, wherein the upper end edge of the heat and sound insulation plate has an elastic sealing material so as to be in close contact with the inner wall of the engine hood. (3) The engine compartment cover device according to claim 1, wherein the housing space has a detachable component cover member so as to cover electrical components and the like stored therein. (4) The engine room cover device according to claim 1, wherein the heat-insulating and sound-insulating plate has a mounting portion on its peripheral edge for being detachably attached to the inner circumferential wall of the engine room.