JP2003080954A - Roof heat shielding plate for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To restrict temperature rise to cause a problem of noise due to burden on an air conditioner or waste of fuel resource in a cabin in an automobile during long-time parking or a traffic jam under the blazing sun. SOLUTION: This device comprises a heat shielding plate in the form of a roof of an automobile installed on an upper surface of the roof of the automobile. Temperature rise due to radial heat of solar rays is thus restricted. As temperature rise is restricted, the problem of noise by the air conditioner and waste of fuel resource can be eliminated. Effects of high speed stability and reduction of wind noise can also be achieved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention includes a roof-shaped heat shield plate on the upper surface of a roof of an automobile for suppressing a temperature rise in the room during long-term parking under hot weather, traveling, and traffic congestion. It is about.

[0002]

2. Description of the Related Art A car parked in a parking lot for a long time under the scorching sun is so hot that its steering wheel is burned and is not in a state where it can be driven very soon. That is, the temperature in the airtight interior of a vehicle rises due to the radiant heat of the sun's rays, and since there is no ventilation with the outside air, there is no escape path for the indoor air, and there is no air convection, and the temperature rises.

Further, since a steel plate is often used in the body of an automobile, it is difficult to dissipate heat from sunlight rays,
The heat accumulated and affected the temperature rise inside the car.

Therefore, as a countermeasure for the driver, the windows have been opened slightly to allow convection with the outside air, or the windows on the ceiling of the sunroof car have been opened. However, for long-term car parking, It was not implemented due to concerns about the weather and theft.

Therefore, although the handlebar of the driver's seat is covered with a towel and the window of the driver's seat is covered with a sunshade from the indoor side to prevent the temperature from rising, the indoor temperature still rises due to the radiant heat of the sun from the roof. Was. It is a well-known fact that the black interior color of an automobile causes a larger temperature rise in the room.

In addition, if you encounter a long traffic jam,
The temperature rise caused by the radiation of the sun's rays from the roof puts a heavy burden on the air conditioner, and by increasing the engine speed, the noise problem of residents around the road and the waste of fuel resources due to the engine blowing air were also wasted. .

[0007]

Therefore, a rise in temperature in the interior of a vehicle during long-term parking or traffic congestion has been a major obstacle to comfortable driving. Therefore, the present invention is to develop a device that prevents temperature rise in the interior of an automobile, has a simple structure, and has great effects.

[0008]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and its gist is to provide a heat shield in the shape of an automobile roof that can be mounted on the upper surface of the roof of the automobile. By securing the board to the left and right in the width direction of the car and ensuring a gap between the heat shield and the roof of the car, the temperature inside the room rises when parked for a long time in hot weather, when driving, or when traffic is congested. The present invention relates to an automobile roof heat insulating plate, which can be hooked to an automobile roof rail, an automobile roof molding, an automobile door molding. It can be hooked according to the roof shape of each car.

[0009]

DETAILED DESCRIPTION OF THE INVENTION The present invention will be described in detail with reference to the drawings. (First Embodiment) In FIGS. 1 and 2, A is a roof rail 6a having a grip bar shape in the width direction of a roof 5a of an automobile.
1 is a roof heat shield plate for an automobile according to the present invention in a state in which it is hooked on a roof. Various companies manufacture automobiles equipped with roof rails 6a having a grip shape in the width direction on the roof 5a of the automobile. The purpose of the roof rail 6a is to firmly mount the ski carrier and the surfboard carrier to secure the ski carrier and the surfboard carrier, and is a part of the strength reinforcing member of the automobile. Three pairs of the hooking portions according to the first embodiment of the present invention are attached to the roof rails 6a at locations set according to the size of each automobile.

The hooking portion of the first embodiment of the present invention will be described in an enlarged manner with reference to FIG. 5a. The support stay 7a is formed of a plate material made of steel or reinforced plastic, and is sandwiched by a fastener 8a made of a plate material made of steel or reinforced plastic through a cushion rubber 9a at a hooking portion, and is fixed by a bolt 11a. . Further, the fastener 8a to the roof rail is fixed with the bolt 11a by interposing the flat washer 13 and the double nut 12a so as not to be loosened by vibration or twist of the body.

A roof-shaped heat shield plate A is fixed to the three beams above the support stay 7a fixed to the roof rail 6a of the automobile, so that the heat shield for mounting the roof rail of an integral structure is not easily peeled off. Plate A is formed.

The heat shield plate A is made of a plate made of a synthetic resin or the like reinforced with an aluminum alloy or glass fiber made in the width dimension of the roof 5a of an automobile, and has three beams above the support stay 7a. And is firmly fixed with rivets, welding, adhesives, etc.

The surface finish of the heat shield plate A is preferably silver finish in order to maximize the heat shield effect of the sun rays by making the best use of the surface in the case of aluminum and smoothing the surface in the case of synthetic resin. .

The vehicle has a wind noise reduction design, and has already been designed in consideration of air flow vortices that occur around the vehicle. Therefore, the heat shield plate A of the present invention follows the shape of the roof so as not to impair the wind noise reduction and the air flow control shape due to the shape of the automobile, and causes a negative pressure in the gap between the roof 5a and the heat shield plate A to cause resonance. The gap with the roof 5a is set in consideration of not causing it.

Also for the wind pressure in the lateral direction of the automobile, the thickness of the heat shield plate A is thinned to reduce the heat shield plate receiving surface from the side face to reduce the influence of wind. Therefore, the shape of the winding inclination of the front end 1 of the heat shield plate, the treatment of the rear end 2 of the heat shield plate, the right side part 3 of the heat shield plate, the left side part 4 of the heat shield plate, etc. is set according to the shape of the automobile.

Further, due to the shape of the heat shield plate A, cross wind passes through the gap between the upper surface of the heat shield plate and the heat shield plate, so that the lateral shake of the vehicle is reduced. In addition, the wind received from the front also passes through the gap between the upper surface of the heat shield and the wind, which reduces the entrainment of wind in the rear window and makes it difficult for rainwater to flow into the rear window. Is possible.

(Second Embodiment) A grip-shaped roof rail 6
In a car not equipped with a, a gutter-shaped roof molding 6b for receiving rainwater on the side of the roof 5a of the car
A vehicle equipped with can be locked with the configuration of the second embodiment of the present invention.

According to FIG. 5b, the support stay 7b made of steel or reinforced plastic plate integrated with the heat shield plate B is
Gutter-shaped roof molding 6 through cushion rubber 9b
Insert on top of b. The end of the support stay 7b is attached with a fixing member 19, and is fixed to the roof molding 6b with a rivet 10 by adjusting the height. This method is used for one box cars, which are often high roof cars. Therefore, a fastener 8b made of a steel or reinforced plastic plate is fastened to the fixing bracket 19 and the gutter-shaped roof molding 6b, and the central bolt 11b is penetrated to make the nut 1 made of reinforced resin.
It is firmly fixed with 2b. Since the nut 12b is manufactured with a large diameter of a special size, the nut 12b can be tightened easily by hand to increase the torque and be firmly fixed.

(Third Embodiment) An automobile which is not equipped with a grip rail-shaped roof rail 6a and which is not equipped with a gutter-shaped roof molding 6b has the configuration of the third embodiment of the present invention. Can be hung.

Referring to FIG. 5c, a support stay 7c made of a reinforced plastic plate integrated with a heat shield plate C is formed into a body of a door molding 6c in which a door sash is fitted through a soft plastic protective plate 9c. Can be locked to the side. Further, in a two-door type automobile, the end of the support stay 7c can be inserted and locked in the gap of the fit-in type side rear window.

The support stay 7c, which is provided on the curved surface of the roof 5c via a protective plate 9c made of soft plastic, has a fastener 8c and a bolt 11c built therein. By tightening the bolt 11c, the body side of the door molding 6c is closed. The fastener 8c inserted in is fixed to the support stay 7c. Since this type is equipped with the inspection port 18, it is also excellent in crime prevention, and the bolt 11c can be sealed on the inner surface.

[0022]

EFFECTS OF THE INVENTION By using the roof heat shield plate for an automobile of the present invention in an automobile, the temperature rise in the room can be suppressed even if the vehicle is parked for a long time in the hot sun, and the vehicle can be immediately driven.
It can be moved more easily than the parking lot.

By using the roof heat shield plate for an automobile of the present invention in an automobile, the radiant heat of the sun's rays from the roof can be suppressed even during a long traffic jam, the indoor temperature does not rise, and the operating efficiency of the air conditioner is increased. You can promise better driving and comfortable driving.

Further, by using the roof heat shield plate for an automobile of the present invention in an automobile, it is effective in high-speed stability and wind noise reduction on a highway, and is suitable for a vehicle such as a one-box car which is weak in crosswind. Also has an effect.

Further, by using the roof heat shield plate for an automobile of the present invention in the automobile, the roof shape is formed so as not to reduce the wind noise of the body and the shape of the air flow control, and the gap between the roof and the heat shield plate is provided. By generating a pushing force against the body until it becomes negative pressure and does not cause resonance, the grip on the road surface of the vehicle is strengthened and it also has safety at the time of running.

[Brief description of drawings]

FIG. 1 is an external perspective view showing a state in which a vehicle roof heat insulating plate according to a first embodiment of the present invention is hooked on a vehicle in which a roof rail is mounted on a vehicle roof.

FIG. 2 is a right side view of the roof heat insulating plate of the first embodiment of the present invention in a state in which the roof heat insulating plate for an automobile is hooked to the automobile in which the roof rail is mounted on the roof of the automobile.

FIG. 3 is a right side view of the roof heat insulating plate of the second embodiment of the present invention in a state in which the roof heat insulating plate for an automobile is hooked on the automobile in which a gutter-shaped roof molding is attached to the roof side surface of the automobile.

FIG. 4 is a right side view in which a part of the roof heat insulating plate in the state in which the automobile roof heat insulating plate of the third embodiment of the present invention is hooked on the molding portion of the door of the automobile is cut away.

5A is an enlarged cross-sectional view of a hooking portion of Embodiment 1. FIG. b An enlarged cross-sectional view of a hooking portion in which a part of the second embodiment is omitted.

FIG. 6 is an enlarged cross-sectional view of a hooking portion in which a part of the third embodiment is omitted.

[Explanation of symbols]

A heat shield B heat shield C heat shield 1 Front of heat shield 2 Rear part of heat shield 3 Right side of heat shield 4 Left side of heat shield 5a roof 5b roof 5c roof 6a roof rail 6b roof molding 6c Door Mall 7a Support stay 7b Support stay 7c Support stay 8a Fastener 8b fastener 8c fasteners 9a cushion rubber 9b cushion rubber 9c Soft plastic protection plate 10 rivets 11a bolt 11b bolt 11c bolt 12a double nut 12b nut 13 Plain washer 14 car 15a Front 15b front 15c front 16a front door 16b front door 16c front door 17a Rear door 17b Rear door 17c rear door 18 Inspection port 19 Fixing bracket

Claims (4)

[Claims] 1. A vehicle-roof-shaped heat shield that can be attached to the upper surface of the roof of the automobile is hooked on the left and right in the width direction of the automobile to secure a gap between the heat shield and the roof of the automobile. In addition, the roof heat shield for automobiles is characterized in that the temperature rise in the room is suppressed when the vehicle is parked for a long time in hot weather, when traveling, or when traffic is congested. 2. A roof heat shield plate for an automobile according to claim 1, wherein the roof of the automobile has a roof rail having a grip bar shape in the width direction and can be hooked on the roof. . 3. The roof heat shield plate for an automobile according to claim 1, wherein the roof heat shield plate for an automobile is adapted to be hooked on an automobile equipped with a gutter-shaped roof molding on a side surface of the roof of the automobile. 4. The roof shield for an automobile according to claim 1, wherein the door sash can be hooked on a side of the roof of the automobile so as to be fitted to the door sash. Hot plate.