JP3019738B2 - Vehicle lamp grill - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lamp grill for a vehicle provided outside a vehicle body of a vehicle such as a passenger car, truck, bus, electric train, tractor or the like (in the present invention, these are defined as vehicles).

[0002]

2. Description of the Related Art Generally, headlamps, fog lamps, and the like mounted on a front side of a long-distance transport truck, a vehicle in snowy countries, an RV vehicle running in mountains and the like, and a vehicle running on a highway on a snowy day, It often happens in daily life that snow accumulates on the vehicle side light and its grill and the like, and the illumination of the lamp is hindered.

[0003] The above experience has occurred not only in the lamp and the grill, but also in the case of automobiles in the radiator and its grill. The deposits include not only snow but also dust and the like that accumulate while the vehicle is running, which hinders the illumination of the lamp, and in the case of the radiator, the dust and the like may accumulate in the ventilation path and deteriorate cooling performance. .

[0004] In order to solve the above-mentioned problems, various types of front grills have been proposed which are improved to prevent dust and snow from accumulating on the front surfaces of headlamps, radiators and the like of such vehicles. For example, there is Japanese Utility Model Publication No. 5-9257. The technology described in the above publication is disclosed in FIGS.
According to this, the wire grille 14 is attached to the inside surface of the ventilation part 12 of the grill main body 13, and the front guard 10 is arranged in front of the wire mesh 14.

[0005] The front guard 10 comprises a plurality of cross beams 1.
5 is attached to the grill body 13, and each horizontal beam 1
5 has an interval 27 between the wire mesh 14 and the upper surface thereof forms a downward surface on which dirt and the like can fall, and the dirt and the like fall downward on the downward surface and fall downward through the gap 27. It is to be dropped. Another known example is Japanese Utility Model Application Laid-Open No. 64-32532.

[0006] In a vehicle having a heat exchanger disposed at the front of the vehicle, there is described a structure of a front end portion of the vehicle body, which is provided with an opening at a lower surface of the vehicle body in front of the heat exchanger so as to prevent accumulation of snow and mud. I have. FIG. 6 shows another conventional example.
(A) is a schematic perspective view of a front grill of an automobile,
FIG. 6B is a schematic longitudinal sectional view in which a part along 6A-6A of FIG.

According to this conventional technique, the headlamp g is inserted into the interior of the grill with respect to the grill design surface d, and four grills i surrounding the front of the headlamp g are provided. A bezel portion h having a quadrangular shape formed on a surface, and a lower surface h1 of the bezel portion h for preventing snow accumulation.
A snow drop hole q is provided.

[0008]

However, in the prior art described in Japanese Utility Model Publication No. 5-9257, dust easily accumulates on the upper surface of the cross beam 15 of the front grill.
If it accumulates, the wire net becomes an obstacle and it is difficult to drop it. Therefore, a downward surface is provided on the upper surface of the crosspiece, and snow accumulated on the lower surface of the grill cannot be removed.

The technique disclosed in Japanese Utility Model Application Laid-Open No. 64-26532 merely provides an opening in the lower surface of the vehicle body in front of the heat exchanger, and the original technique for guiding the traveling wind to the heat exchanger. It is a grill, which has only a role of a drain, and has a different function from the structure intended to discharge snow as in the present invention. Not something you can do.

Further, since the opening is formed so as to gradually increase from the front to the rear of the vehicle, the opening is opposite to the case of the present invention, and the effect of the present invention cannot be exhibited. In the prior art shown in FIG. 6, since the inner peripheral wall of the opening of the bezel portion of the headlamp grill is formed in a rectangular cylindrical shape as described above, the hole q is provided in the ground. Since the surface is horizontal, sediments such as snow are hardly concentrated on the holes provided in the lower surface h1 and are hardly dropped, and there is a possibility that snow S is accumulated and obstructs illumination of the lamp.

The lower surface h1 and the side surface h1 of the inner peripheral wall of the opening.
The junction 2 has a right angle h3. On the other hand, the wind around the headlamp causes the snow to accumulate at the right angle h3, and the nucleus grows and the accumulated snow expands and takes time to eliminate. May be required. The present invention has been proposed in view of the above-described problems, and has at least one escape hole for traveling wind at a lower portion of an inner peripheral wall of a grill opening in front of a lamp of the vehicle, and has at least approximately an inner periphery of the escape hole. A vehicular lamp grill, wherein a portion near the lower portion is formed into a shape having a curvature or an inclined surface in which a volume of airflow, snow, water, dust and the like accumulated on the front surface of the lamp is easily concentrated in the escape hole. It is intended to provide.

[0012]

According to the present invention, there is provided a vehicular lamp grill according to the present invention, wherein the vehicular lamp grill has a lamp lens surface at a position recessed from a surface of the grill. At least one escape hole for traveling wind provided at a lower portion of the inner peripheral wall of the bezel portion that opens to the glue surrounding the front portion of the lamp outer peripheral portion, and the inner peripheral wall of the bezel portion at least near the escape hole having the escape hole are formed by the lamp. The accumulated airflow, snow, water, dust, traveling wind and the like accumulated on the front surface are formed in a shape having a curvature or an inclined surface that easily concentrates in the escape hole.

According to a second aspect of the present invention, there is provided a vehicle lamp grill according to the first aspect, wherein the inner peripheral wall of the bezel portion is formed in a substantially cylindrical shape. According to a third aspect of the present invention, in the vehicle lamp grill according to the first or second aspect, the cross-sectional area of the opening of the bezel portion gradually decreases from the front surface of the grill portion to the front surface of the head lamp. It is characterized by being formed as follows.

[0014] In the configuration according to any one of claims 1 to 3, may be the escape hole is formed in a long hole extending backward from the front side on the front of the bezel. (Aspect 1)
Further, claims 1 to 3, can be in the configuration according to any one of the above embodiments 1, also Rukoto a guide member formed in a cylindrical shape extending downward of the relief hole (aspect 2).

In the configuration according to the second aspect, the length of the rear wall of the rear side of the guide member provided below the escape hole may be longer than the front wall of the front side of the vehicle .
(Embodiment 3) . Claims 1-3, the above
In the configuration according to any one of Aspects 1 to 3 , the terminal shape on the opening side of the horizontal rail portion of the grill is formed to have a curvature or an inclined surface substantially equivalent to the curvature or the inclined surface of the inner peripheral wall of the bezel portion. (Aspect 4) .

[0016]

According to the first aspect of the present invention, there is provided a vehicular lamp grill at least one of which is provided at a lower portion of an inner peripheral wall of a bezel portion which is open to the grille and surrounds a front portion of an outer peripheral portion of the vehicle. An inner peripheral wall of the bezel at least in the vicinity of the escape hole having the escape hole is provided with the curvature or the air flow, which accumulates on the front surface of the lamp, such as air, snow, water, and dirt. Since it is formed in a shape having an inclined surface, traveling wind, dust, snow, and water entering the bezel portion from the grill opening are changed in flow direction by the curvature or the inclined surface, and the escape hole is formed. It is made to flow intensively.

Further, the wind of the traveling wind around the headlamp is guided by the curvature or the inclined surface in the direction of the escape hole. In the vehicle headlamp grill according to the second aspect of the present invention, since the inner peripheral wall of the bezel portion is formed in a substantially cylindrical shape, the traveling wind, dust, snow, water, and the like entering through the opening are formed in the cylindrical shape. Are guided downwardly by the inner peripheral wall of the inner peripheral wall, and flow intensively in the escape hole.

According to a third aspect of the present invention, the cross-sectional area of the opening of the bezel portion is formed so as to gradually decrease from the front surface of the grill portion to the front surface of the lamp. The traveling wind is accelerated and hits the headlamp, and the dynamic pressure is replaced by static pressure. The static pressure increases and is discharged from the relief hole, so that the air in the bezel can be replaced effectively.

Further, in the configuration according to the first aspect , since the escape hole is formed in a long hole extending from the front front of the bezel portion toward the front of the headlamp, the opening area of the escape hole increases. Wind rewind around the headlamp is reduced. In addition, the structure according to the above-described embodiment 2
In the formation , since the airflow flows through the lower surface of the cylindrical guide member protruding from the lower surface of the escape hole, the air in the bezel portion becomes the high pressure through the cylindrical guide member due to the jet effect with the static pressure. They can work together effectively.

In the configuration according to the third aspect, the height of the rear wall of the guide member provided below the relief hole is longer than that of the front wall of the front side of the vehicle. When looking at the escape hole of the bezel from the front of the vehicle,
Various built-in components of the vehicle body are difficult to see, and the appearance is improved. Further, in the configuration according to the fourth aspect, the end shape of the side rail portion of the grill on the side of the bezel portion is formed to have a curvature or an inclined surface substantially equivalent to the curvature or the inclined surface of the inner peripheral wall of the bezel portion. Because of the airflow received in front of the grill,
It does not hinder the flow to the headlamp lens surface.

[0021]

Embodiments of the present invention will be described below with reference to the drawings. (First Embodiment) First, FIGS. 1 to 3 show a first embodiment, FIG. 1 is a schematic perspective view showing a front side of an automobile, and FIG. 2 is a part along line 2A-2A in FIG. Schematic cross-sectional view,
FIG. 3 is an enlarged view of the vicinity of the portion H in FIG.

In front of the engine room 30 of the car,
A headlamp 32 is mounted, and a front grille 34 is mounted on the headlamp. The front grill 34 has a horizontal rail 35, and a bumper 3
6 is an engine hood 3 above the engine room 30.
8 and a fender 40 beside the engine room 30
Is installed.

The grill surface 42 of the front grill 34
A headlamp 32 having a lens surface 43 of the headlamp is disposed at a position deep in the rear of the vehicle, and a hole substantially conforming to the shape of the lens 43 in order to converge the traveling wind in front of the headlamp 32. , A cylindrical bezel (shelf) 44 is formed. The cylindrical bezel portion 44 is formed to have a conical shape such that the cross-sectional area gradually decreases from the front surface 42 of the front grill 34 toward the headlamp 32.

As shown in FIG. 3, the lower portion 46A of the inner peripheral wall 46 of the bezel portion 44 is provided with at least one hole (in this embodiment, three holes 48a, 48b, 48c). Hole 48 for removing the air flow of the bezel 44 is provided. Snow, water, dust and the like adhering to the inner peripheral surface of the bezel portion 44 while the vehicle is stopped or running are removed by the air flow caused by the running. It is pushed down by the curved surface of the cylindrical inner peripheral surface 46, converged downward, and efficiently poured into the hole 48.

The three holes 48a, 48b, 48c of the hole 48
Or lower portion 46A of bezel portion 44 as shown in FIG.
Is provided continuously on the inner peripheral wall 46 in the vehicle width direction.
Below the bezel portion 44, a tubular guide member 50 extending below the inner peripheral wall 46 and having a rectangular cross section is provided. Since the present embodiment is formed as described above, the traveling wind hits the front surface of the headlamp 32 and the inner peripheral wall 46 of the bezel portion 44, etc., and a rewind phenomenon occurs, but as described above, due to the curved surface of the inner peripheral wall 46, It can be efficiently guided in the direction of the hole 48.

Further, since the bezel portion 44 is formed in a substantially conical shape whose cross-sectional area gradually decreases from the front to the rear of the vehicle, the traveling wind entering the bezel portion 44 becomes an accelerated dynamic pressure. , And collides with the front surface of the headlamp 32 to change to a static pressure, and the static pressure increases. The static pressure causes the air in the bezel portion 44 to efficiently cooperate with the converging effect of the inner peripheral wall 46 from the hole 48. Can be discharged.

Further, since the traveling airflow flows from the front to the rear of the vehicle below the lower end 54 of the outlet 52 of the cylindrical guide member 50 in the hole 48 at the lower part of the bezel 44, the outlet 52
Is negative pressure, the air in the bezel portion 44 is sucked out through the guide member 50, and the air in the bezel portion 44 is cooperated with the air convergence effect and the static pressure effect by the inner peripheral wall 46. It is possible to discharge efficiently, and to discharge the airflow, snow, water, dust and the like in the bezel portion 44 together.

The cylindrical guide member 50 is connected to the bezel portion 4.
4 has a function and an effect as a rib for increasing rigidity. (Second Embodiment) Next, a second embodiment will be described with reference to FIG. The same parts as those in the first embodiment will be described with the same reference numerals.

FIG. 4 shows a longitudinal section similar to that of the first embodiment shown in FIG. 2. As shown in FIG. 4, the cylindrical guide member 50 is provided with a rear guide. Part 5
0a is formed to be longer than the front guide portion 50b. In this embodiment, as described above, the rear guide portion 50a provided below the hole 48 is made longer than the front guide portion 50b, and is formed in a cylindrical shape, so that the lead wires in the engine room are arranged from the front side of the vehicle. Since the internal components such as various pipes and sealants can be prevented from being exposed, the appearance can be improved.

As described above, the lower end 54a of the rear guide portion 50a protrudes, so that it is possible to receive the traveling airflow and reduce the suction effect.
The lower end 34b of the front grille 34 is
a, the traveling airflow indicated by the two-dot chain line in FIG.
As described above, the air flows below the lower end 54a from the front to the rear of the vehicle, and the air in the bezel 44 is efficiently sucked out through the guide member 50.

Third Embodiment Next, a third embodiment will be described with reference to FIG. FIG. 5 is a schematic sectional view corresponding to a case where a part along the line 5A-5A in FIG. 3 is broken. Bezel part 4
4, at least the left and right side surfaces near the escape hole 48 are:
The length of the opening in the vehicle width direction from the grill portion surface 42 to the lens 43 is provided with an inclined surface 46K having an inclined angle W that gradually decreases.

The end shape of the horizontal rail 35 of the front grille 34 has an inclined surface 35K substantially equivalent to the bezel inclined surface 46K.
The front grille 34 is formed at an inclination angle W such that
Is formed so as not to obstruct the flow of the airflow received on the front surface of the lens to the lens surface. Therefore, if there is a step in the inclination angle W, snow adheres to the step portion, which becomes a nucleus and accumulates in the form of snow dharma, obstructing the illumination. Since W is formed by a smooth continuous surface almost coincident, air flow, snow, water,
It is possible to prevent accumulation of dust and the like.

Although the bezel portion 44 in each of the above embodiments has a cylindrical shape, the left and right side surfaces of the bezel portion viewed from the front of the vehicle have at least a lower portion where snow easily accumulates, and an inclined portion where snow converges. The surface may be formed in, for example, a U-shape, a V-shape, or an arc shape, and it goes without saying that the upper portion of the bezel portion 44 may have any shape. or,
The bezel portion 44 of each of the above embodiments is, as shown in FIG.
The main body of the headlamp 32 is fastened at a plurality of locations by bolts 56.

In each of the above embodiments, the headlamp grille has been described. However, the same operation and effects as those of the above embodiment can be obtained by using the invention for other lamps and grills for radiators.

[0035]

As described above, according to the vehicle lamp grill of the present invention, at least one bezel is provided at the lower portion of the inner peripheral wall of the bezel opening to the gully surrounding the front of the lamp outer peripheral portion of the vehicle. Equipped with escape holes for the traveling wind
The inner peripheral wall of the bezel at least near the escape hole has an airflow, snow, water,
Since the deposit such as dust is formed in a shape having a curvature or an inclined surface that easily concentrates in the escape hole, the traveling wind, dust, and snow entering the bezel portion from the grill opening can be reduced by the curvature or the inclined surface. Change its flow direction,
It is designed to flow intensively into the escape hole.

Therefore, according to the present invention, since the inner peripheral wall of the bezel on the front surface of the headlamp is formed in the shape having the curvature or the inclined surface, attached matter such as snow, water, dust, etc. is transmitted along the inner peripheral wall. The bezel is concentrated and sucked into the lower hole of the bezel, and the inner peripheral wall of the bezel is not stained, so that the accumulation of the deposits can be prevented. Also, the headlamp is
Without being hindered by the inherent performance of the snow,
The wind of the traveling wind around the headlamp can be reduced, and can be guided in the direction of the escape hole by the curvature or the inclined surface.

According to the second aspect of the present invention, since the inner peripheral wall of the bezel is formed in a substantially cylindrical shape, it is guided to the curved surface of the inner peripheral wall of the cylindrical bezel. The flow smoothly concentrates in the lower surface direction, and the deposits can be discharged from the holes. Claim 3
According to the vehicular lamp grill of the present invention described above, the vertical cross-sectional area of the opening of the bezel portion is formed so as to gradually decrease from the front surface of the grill portion toward the front surface of the headlamp. The running wind is accelerated, and the dynamic pressure hits the headlamp and replaces the static pressure. The static pressure increases and is discharged from the relief hole, so that the air in the grill can be effectively replaced.

Therefore, the deposits in the bezel can be removed by replacing the air. Claims
In the configuration according to any one of (1) to (3), when the escape hole is formed in a long hole extending in front of the headlamp from the front of the bezel portion, the opening area of the escape hole increases. The amount of air discharged from the hole increases, and the wind rewind around the headlamp can be reduced.

Therefore, the deposits do not accumulate in the bezel due to the traveling wind (aspect 1) . Ma
In the configuration according to any one of the first to third aspects and the first aspect, when the airflow is caused to flow on the lower surface of the cylindrical guide member protruding from the lower surface of the escape hole, the cylindrical guide is formed by a jet effect. The air in the bezel portion can be effectively sucked out through the member in cooperation with the static pressure.

Therefore, due to the passage of the traveling wind, the airflow, snow, dust, water, etc., on the inner periphery of the bezel are not deposited smoothly on the inner peripheral wall of the bezel portion by the passage of the traveling wind. It can be drained (aspect 2) . Ma
And, in the configuration of the above aspect 2, wherein, when forming the relief front side of the front wall from the rear wall of the aft side height of the vehicle of the guide member provided below the holes long, the When looking at the escape hole of the bezel portion from the front of the vehicle, various built-in components of the vehicle body are difficult to see, and the appearance is improved.
(Aspect 3) .

Further, according to the first to third aspects and the first to third aspects.
If the structure according to any displacement, the bezel portion of the terminal shape of the crossbar portion of the grill that will be formed in substantially the same curvature or inclined surface with a curvature or inclined surface of the inner peripheral wall of the bezel
, The air flow received in the grill front, there is an effect that does not inhibit the flow of the lens surface of the headlamp.

[0042] Accordingly, the smoothly running wind flows in the bezel, it is possible to prevent occurrence of deposits on the lens of the headlamp, the deposit can be eliminated by the running wind (aspect 4 ) .

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a front end portion of an automobile showing a first embodiment of the present invention.

FIG. 2 is a schematic longitudinal sectional view in which a part along the line 2A-2A in FIG. 1 is broken.

FIG. 3 is an enlarged view of the vicinity of a portion H in FIG. 1;

FIG. 4 shows a second embodiment of the present invention, and is a schematic longitudinal sectional view similar to FIG.

FIG. 5 shows a third embodiment of the present invention, and corresponds to 5A of FIG.
It is a schematic longitudinal cross-sectional view corresponding to the case where a part along -5A is broken.

6A and 6B are diagrams showing a third conventional example, in which FIG. 6A is a schematic perspective view of a front grill of the automobile, and FIG. 6B is a schematic longitudinal sectional view along 6A-6A in FIG. It is.

[Explanation of symbols]

 Reference Signs List 30 engine room 32 head lamp 34 front grill 38 engine room hood 42 front grill surface 43 front lamp lens 44 bezel 46 inner peripheral wall of bezel 48 hole 50 guide member 50a rear guide 50b front guide 52 outlet 54 Lower end 54a Lower end of guide member on rear side 54b Lower end of guide member on front side

Claims (3)

(57) [Claims] 1. A grill that covers a lamp having a lens surface of a lamp at a position recessed from a surface of the grill, wherein at least a lower portion of an inner peripheral wall of a bezel portion that opens to the glue and surrounds a front portion of a lamp outer peripheral portion of a vehicle. An escape hole for the traveling wind provided and an inner peripheral wall of the bezel portion at least near the escape hole are provided with the accumulation hole such as snow, water, dust and traveling wind accumulated on the front surface of the lamp. A lamp grill for a vehicle, characterized in that the lamp grill is formed in a shape having a curvature or an inclined surface that is easily concentrated on a vehicle. 2. The vehicular lamp grill according to claim 1, wherein an inner peripheral wall of said bezel portion is formed in a substantially cylindrical shape. 3. The vehicle according to claim 1, wherein a cross-sectional area of the opening of the bezel portion is formed so as to gradually decrease from a front surface of the grill portion to a front surface of the lamp. Lamp grill .