JPH0891156A - Bumper structure for automobile - Google Patents

Abstract

PURPOSE: To enhance rigidity of a bumper net, reduce the number of part items such as a screw, and reduce work manhours without hindering cooling performance of an engine room in a bumper structure having the bumper net in an opening part. CONSTITUTION: A bumper structure is composed of a bumper 1 having a plate installing part 6 and an opening part 22 adjacent to the plate installing part 6 and a bumper net 3 having a net to cover the opening part 22 and an installing plate 36, and the installing plate 36 of the bumper net 3 is interposed and fixed between the plate installing part 6 and a license plate 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle bumper structure, and more particularly to a structure for attaching a bumper net and a license plate to a bumper.

[0002]

2. Description of the Related Art Recently, as shown in FIG. 9, a bumper 1 for an automobile tends to be large in size, and an opening 2 for cooling an engine room or a lamp hole 5 such as a fog lamp is used.
There are some with. The cooling openings 2 are independently arranged on both sides of the license plate 4, or are arranged in a wide space formed by displacing the license plate 4 from the center. The opening 2 is covered with a bumper net 3 to prevent foreign matter from entering and for decoration.
It is directly attached to the bumper 1 with screws or the like.

By the way, the conventional bumper net 3 is mounted on the front surface of the bumper 1 with a screw or the like in order to facilitate the removal work for maintenance. Regarding the shape of the bumper net 3, the portion of the net 30 is wide and the portion of the surrounding frame 31 is as narrow as possible in order to improve the cooling performance of the engine room. However, the bumper net 3 with a narrow frame 31
On the contrary, there is also a bumper net 3 in which the frame 31 is formed wide because its strength is reduced. In this case, the bumper net 3 is mounted from the back surface of the bumper 1 in order to hide the wide portion of the frame 31 on the back surface of the bumper 1.

[0004]

However, in the case where the frame portion of the net is narrowed to be attached to the front surface of the bumper, it is necessary to increase the number of fixing points such as screws in order to strengthen the rigidity, and the number of parts is increased. , And the number of man-hours was increasing. Also, in the case where the bumper net is attached to the back of the bumper, it was necessary to remove the bumper from the vehicle body when removing the bumper net. Therefore, it is an object of the present invention to provide a bumper structure for an automobile, which facilitates attachment and detachment of the bumper net to and from the bumper without impairing the cooling performance of the engine room and the rigidity of the bumper net, and has a reduced number of parts. Especially.

[0005]

To solve the above problems, the present invention provides a bumper having a plate mounting portion and an opening adjacent to the plate mounting portion, and a bumper having a net and a mounting plate for covering the opening. And a mounting plate of the bumper net interposed and fixed between the plate mounting portion and the license plate.

[0006]

In the automobile bumper structure of the present invention, the mounting plate integrally formed on the frame of the bumper net is attached to the plate mounting portion of the bumper, and the license plate is superposed and fixed thereon, so that the cooling of the engine room is achieved. The rigidity of the bumper net increases, the number of parts such as screws can be reduced, and the work man-hours can be reduced without impairing the performance. Moreover, the bumper net can be attached to the front surface of the bumper as in the conventional case, and maintainability is not impaired.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS. As shown in FIG. 2, the bumper 1
Includes a grill portion 11 and a bumper portion 12, and is integrally formed of resin or the like. An opening 21 for cooling the engine room is formed in the center of the grill portion 11 so as to be elongated in the left and right directions.
A stay 75 for reinforcement is provided at the center of the opening 21. Lamp holes 51 are arranged on both sides of the opening 21 in correspondence with the headlamp position of the vehicle body. A plate mounting portion 6 for mounting the license plate 4 is provided at the center of the bumper portion 12, and an opening 22 for cooling the engine room is provided adjacent to the periphery of the plate mounting portion 6.
Lamp holes 52 such as fog lamps are arranged on both sides of the opening 22. The plate mounting portion 6 is formed to have substantially the same size as the license plate 4, and has a belt-shaped mounting surface 60 on the upper portion, an opening 66 for maintenance, and a mounting recess 64 for mounting the vehicle body on the lower side. A screw hole 61 for fixing the license plate 4 and a mounting hole 62 for inserting the U-shaped nut 8 mounted on both sides of the screw hole 61 are adjacent to each other on the mounting surface 60. It is provided. A groove 63 that engages with the mounting edge 39 of the bumper net 3 is provided at the lower end of the mounting surface 6. Opening 22
Are arranged adjacent to the right and left sides and the upper side of the plate mounting portion 6 so as to surround the periphery thereof, and the engaging portions 70 and 72 for mounting the bumper net 3 are provided on the periphery of the opening 22.
Are provided in plural, and the engaging portion 70 located at the corner of the opening 22 is provided with a screw hole 71, and the other engaging portions 72 are provided with engaging holes 73. A stay 74 is provided in the center of the opening 22 for reinforcement, and connects the upper edge of the plate mounting portion 6 and the upper edge of the opening 22.

The bumper net 3 is, as shown in FIG.
The net 30 that covers the opening 22, a frame 31 that extends around the periphery of the net 30, and a mounting plate 36 are integrally formed of resin or the like. The net 30 is formed to match the shape of the opening 22, and is composed of a relatively wide portion on the left and right and a thin strip-shaped portion connecting the portions. Mounting plate 36
Are formed so as to connect the left and right relatively wide portions along the strip-shaped portion of the net 30. On the mounting plate 36,
A screw hole 38 and a mounting hole 37 are formed in correspondence with the screw hole 61 and the mounting hole 62 of the plate mounting portion 6 of the bumper 1, and the groove 63 of the plate mounting plate 6 is formed at the lower end edge of the mounting plate 36. An attachment edge 39 that is inserted into the stand extends upright toward the rear surface. The frame 31 is formed to have substantially the same thickness as that of the net 30, and a boss portion 34 and a locking tool 33 are provided on the back surface in correspondence with the engaging portions 70 and 72 on the peripheral edge of the opening 22. ing. As shown in FIG. 4, the locking tool 33 is provided with a locking piece 35 that is provided so as to project from the frame 31 toward the back surface and that is elastically engaged inside. Further, a bottom plate 32 is provided at a portion of the net 30 where the boss portion 34, the locking member 33 and the stay 74 are arranged, and serves as a cover and a reinforcement for the appearance.

The bumper net 3 is added to the bumper 1 of this embodiment.
When attaching, as shown in FIGS. 5 to 8, first,
The net 30 and the mounting plate 36 of the bumper net 3 are overlapped with the opening 22 and the plate mounting portion 6 of the bumper 1, respectively. The mounting edge 39 of the mounting plate 36 is fitted into the groove 63 of the plate mounting portion 6 to determine the position, and each locking tool 33 is inserted into the engaging hole 72 and mounted. The bumper 1 is fixed to the boss portion 34 from the back surface of the bumper 1 with the screw 75 via the engagement hole 71. The license plate 4 is fixed to the plate mounting portion 6 of the bumper 1 with a screw 41 after the bumper 1 and the bumper net 3 are superposed on each other. The screw 41 is fixed by the U-shaped nut 8 mounted in the screw hole 61 of the mounting surface 60 from the mounting holes 37 and 62.

In the bumper structure of this embodiment, the large openings 22 are provided on the left and right sides and the upper side of the plate mounting portion 6, so that the engine room is cooled well, and the opening from the upper edge of the plate mounting portion 6 is opened. Since the stay 74 is provided on the upper edge of the bumper 22, even if the opening 22 is wide, the bumper 1
The decrease in strength could be prevented. The net 30 is composed of wide left and right parts and thin strip-shaped parts connecting the parts, which is disadvantageous in terms of strength, but the mounting plate 36 increases the rigidity of the entire bumper net 3, and the frame 31 is also small in size. The bumper net 3 has improved air permeability. Further, since the mounting plate 36 is fixed in a state of being interposed between the bumper 1 and the license plate 4, the number of fixing members dedicated to the bumper net 3 is reduced, and the number of parts and working man-hours are reduced. Further, since the bumper net 3 is mounted on the front surface of the bumper 1, the bumper net 3 can be easily removed and is easy to maintain.

Although the illustrated embodiment has been described above, the present invention is not limited to the above embodiment, and various changes can be made to the shape and the like of each constituent element.
For example, although the front bumper has been described, the same can be applied to the rear bumper in the same manner, and similar operational effects can be expected. Further, the opening 22 may be separately opened on the left and right, and the bumper net 3 having a shape in which the left and right nets 30 are connected by the mounting plate 36 can be similarly implemented.

[0012]

As is apparent from the above description, in the automobile bumper structure of the present invention, the mounting plate integrally formed on the frame of the bumper net is mounted on the plate mounting portion of the bumper, and the license plate is mounted thereon. Since they are fixed on top of each other, the rigidity of the bumper net is increased without impairing the cooling performance of the engine room, the number of parts such as screws can be reduced, and the number of work steps is also reduced. Moreover, it is possible to attach the bumper net to the front of the bumper as in the past, and the maintainability is also good.

[Brief description of drawings]

FIG. 1 is a perspective explanatory view of an automobile having a bumper structure according to an embodiment of the present invention.

FIG. 2 is a front view of the bumper of the present invention.

FIG. 3 is a front view of the bumper net of the present invention.

FIG. 4 is an enlarged perspective view of a main part of the bumper net of the present invention.

FIG. 5 is an exploded perspective view for explaining the bumper structure according to the embodiment of the present invention.

6 is a cross-sectional view taken along the line AA in FIG.

7 is a sectional view taken along line BB in FIG.

8 is a cross-sectional view taken along line CC in FIG.

FIG. 9 is a perspective view showing a bumper structure of a conventional automobile.

[Explanation of symbols]

 1 Bumper 3 Bumper net 4 License plate 6 Plate mounting part 22 Opening part 30 Net 36 Mounting plate

Claims (1)

[Claims] 1. A bumper having a plate mounting portion and an opening adjacent to the plate mounting portion, and a bumper net having a net and a mounting plate for covering the opening, the plate mounting portion and the license plate. A bumper structure for an automobile, wherein the bumper net mounting plate is interposed and fixed.