JP2002104109A - Vehicle bumper and air dam skirt mounting structure for the bumper - Google Patents

Abstract

(57) [Problem] To provide a bumper capable of easily opening a tool insertion opening at an accurate position when an air dam skirt is attached to the bumper. And an air dam skirt mounting structure for a bumper that closes or covers an opening to prevent water from entering an engine room or the like after the air dam skirt is mounted. An opening portion is formed in a flat rib at a lower portion of a bumper, a fragile portion is broken, and a lid member is opened around a thin hinge to form an opening portion. When attaching the air dam skirt 20 to the lower face 4 of the bumper, a mounting tool 34 is inserted through the opening 25 and the bolt 22 is inserted.
Turn the nut 36 to attach. Once attached, the cap 30 which is integrally molded below the air dam skirt 20
Is fitted into the opening 25 and closed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle bumper to which an air dam skirt can be easily mounted and an air dam skirt mounting structure of the bumper.

[0002]

2. Description of the Related Art As shown in FIG. 1, when an air dam skirt 3 is attached to a bumper 2 of an automobile 1, the nose of the automobile 1 can be suppressed by changing the flow of air during traveling.
The air dam skirt may be sold in a state of being attached to the bumper from the beginning, or may be attached only to the bumper at first, and later attached to the bumper at the request of the customer.

[0003] As a conventional technique relating to an air dam skirt, Japanese Utility Model Laid-Open Publication No. Hei 6-78112 discloses that a lower edge flange of a bumper body and an upper edge flange of an air dam skirt are integrally connected via a thin hinge and bent by the hinge. A technique is described in which a bumper and an air dam skirt are vertically overlapped, and the overlapped portion is sandwiched between a plurality of U-shaped clips from the rear side of the bumper.

In Japanese Utility Model Laid-Open Publication No. 3-64184,
There is described a technique in which one end of a bracket is welded to a body panel, and the other end is formed as a fork having a vertical step, and a rib of an air dam is inserted into the fork and clamped.

[0005]

However, in the former technique, since the air dam skirt and the bumper are integrally formed, it cannot be applied to a case where the air dam skirt is to be retrofitted. In the latter technique, since a bracket is separately required and the bracket is welded to the body panel, the work is time-consuming and cost is increased.

In general, when an air dam skirt is attached to a bumper later, a flat rib extends from the lower face portion of the bumper toward the vehicle body so that water does not enter the engine room or the lamp hole at the time of rainfall or car washing. , The mounting tool cannot be inserted.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a bumper which can easily open a tool insertion opening at an accurate position when an air dam skirt is attached to the bumper. It is to provide. Another object of the present invention is to provide a bumper air dam skirt mounting structure for closing or covering an opening so that water does not enter an engine room or the like after the air dam skirt is mounted.

[0008]

In order to achieve the above object, an opening portion which can be easily opened is provided in a portion of the bumper covering a lower surface of the vehicle body. After the opening, an air dam skirt was attached so that the opening could be closed.

Specifically, the invention according to claim 1 is for a vehicle in which a flat rib extending from the lower face portion of the bumper toward the vehicle body is formed, and an air dam skirt is mounted on the outer side of the lower face portion of the vehicle body. In the bumper, the rib includes a tool insertion opening portion for inserting a mounting tool when the air dam skirt is attached to the lower face portion. A vehicular bumper, wherein a lid member integrally connected to the rib body is provided by a fragile portion to be broken, and the lid member is opened and opened.

With this configuration, before the air dam skirt is attached, the lid member is not opened because the lid member is provided, so that water is prevented from entering the engine room and the like, and the fragile portion is attached when the air dam skirt is attached. By breaking the opening, an opening for inserting a tool can be easily provided.

Next, according to a second aspect of the present invention, in the first aspect, the lid member is integrally connected to the rib body by a thin hinge and the fragile portion so as to be rotatable and openable. A vehicle bumper characterized in that:

With such a configuration, the operability is improved because the number of breaks can be reduced, and the lid member can be easily opened by rotating the lid member about the thin hinge.

[0013] Next, according to a third aspect of the present invention, there is provided an air dam of the bumper, wherein a flat rib extending from the lower face portion of the bumper toward the vehicle body is formed, and an air dam skirt is mounted on the outer side of the lower face portion on the vehicle body side. A skirt mounting structure, wherein the rib is formed with a tool insertion opening for inserting a mounting tool when mounting the air dam skirt on the lower face portion, and the opening is
An air dam skirt mounting structure for a vehicle bumper, wherein the air dam skirt is closed by a cap integrally formed at a lower portion of the air dam skirt.

With such a configuration, the opening for inserting a tool can be closed by the cap of the air dam skirt after the air dam skirt is attached, and water can be prevented from entering the engine room or the like with a simple structure. . In addition, since the cap portion is formed integrally with the air dam skirt, the number of parts can be reduced and the mounting operation can be simplified.

Next, according to a fourth aspect of the present invention, there is provided an air dam for the bumper, wherein a flat rib extending from the lower face portion of the bumper toward the vehicle body is formed, and an air dam skirt is mounted on the outer side of the lower face portion on the vehicle body side. A skirt mounting structure, wherein the rib is formed with a tool insertion opening for inserting a mounting tool when mounting the air dam skirt on the lower face portion, and a lower portion of the rib is provided at a lower portion of the air dam skirt. An air dam extending portion extending downward to the vehicle body is integrally formed, and the extending portion has an insertion space for the tool between the rib and the rib and covers the opening. It is an air dam skirt mounting structure for a bumper.

With this configuration, the air dam skirt can be easily mounted, and at the same time, the water can be prevented from entering the engine room or the like simply by mounting the air dam skirt.

[0017]

Embodiments of the present invention will be described below with reference to the drawings.

First Embodiment FIGS. 2 and 3 are views of a bumper according to the present embodiment.
4 and 5 are views of the bumper and the air dam skirt according to the present embodiment. FIG. 6 is a block diagram of the opening. Both the bumper 2 and the air dam skirt 20 are manufactured by resin molding.

In the present embodiment, the flat rib 6 at the lower part of the bumper 2 is provided with an opening 8 to be closed by a lid member 7. When attaching the air dam skirt 20,
The lid member 7 is opened to form an opening 25. Then, the attachment tool 34 is inserted into the opening 25, and the air dam skirt 20 is attached to the lower face portion 4 of the bumper 2 with the bolt 22 and the nut 36. Then, the opening 25 is closed by the cap 30. The details will be described below.

FIG. 2 is a sectional view of the bumper 2 of the present embodiment.
(A). The upper part of the bumper 2 is the upper face part 5.
The lower part is the air intake 9, and the lower part is the lower face part 4. A flat rib 6 extends from the lower end of the lower face portion 4 toward the vehicle body (right side in the figure). The flat rib 6 covers the lower surface of the vehicle body (not shown). The flat rib 6 has a planned opening 8, which is closed by a lid member 7. The position indicated by the two-dot chain line is where the lid member 7 is opened.

FIG. 2A is a view taken in the direction of the arrow A in FIG. 2A, and is a view of the opening scheduled portion 8 as viewed from above. The lid member 7 has a rectangular shape, and its rear edge is connected to the rib body 6a by a thin hinge 12, and a slit 14 extending in the front-rear direction is formed between the left and right side edges of the lid member 7 and the rib body 6a. I have.
The center of the front edge of the lid member 7 is the fragile portion 1 in the rib body 6a.
The bridging part 10 is connected to the bridging part 10 and slits 14 are formed on both sides of the brittle part 10 to separate the lid member 7 from the rib body 6a. That is, the lid member 7 is integrally formed with the flat rib 6 by the fragile portion 10 and is also integrally formed with the flat rib 6 by the thin hinge 12.
The fragile portion 10 can be easily cut by a blade or a hand.

FIG. 4 shows a state in which a bolt insertion hole 16 is opened in the lower face portion 4 of the bumper 2 and the lid member 7 is opened.
5 is shown.

The upper portion of the air dam skirt 20 is the face portion 23, and the lower portion is the air dam extension portion 26 extending from the lower end of the face portion 23 below the flat rib 6 of the bumper 2 toward the vehicle body. On the back side of the face portion 23, a bolt mounting portion 21 having a U-shaped vertical section in the vehicle front-rear direction and having a bolt insertion hole 24 is formed. A cap portion 30 is formed integrally with the extension portion 26 on the rear side of the vehicle body (right side in the figure) via a thin hinge 28. Cap part 3
At 0, claws 32 are formed at two places on both sides of the tip.

In the bumper 2 and the air dam skirt 20,
The bolt 22 is inserted with the positions of both bolt insertion holes 16 and 24 aligned. Reference numeral 34 denotes a mounting tool for rotating and mounting the nut 36 on the bolt 22.

Next, a mounting method according to this embodiment will be described.

The bumper 2 on which the opening 8 is formed is prepared (FIGS. 2 and 3). The fragile portion 10 of the opening scheduled portion 8 is cut, and the lid member 7 is pushed up and rotated about the thin hinge 12 as an axis to open. Thereby, the opening 25 is opened so that the mounting tool 34 can be inserted. At this time, since the mounting position by the bolt is determined in advance, the work can be performed quickly and easily by providing the planned opening 8 at a position corresponding to the position. Next, a bolt insertion hole 16 is formed in the lower face portion 4 of the bumper.

Then, the bolt 22 is inserted into the bolt insertion hole 24.
Is prepared, and the bolt 22 is inserted into the bolt insertion hole 16 of the lower face portion 4 of the bumper (FIG. 4). FIG. 4 shows only one place where the air dam skirt 20 is attached to the bumper 2 by the bolts 22. However, since the same attachment structure is used at a plurality of places over the entire width of the bumper 2, the air dam skirt 20 is temporarily attached in this state. Being fixed, work becomes easier.

Next, a nut 36 is fitted to the mounting tool 34, the tool 34 is inserted through the opening 25 to the bolt 22, and the nut 36 is turned to
Attach to At this time, the head of the bolt 22 is fixed to the bolt mounting portion 21 of the air dam skirt 20 so as not to rotate together with the nut 36. Also, the cap part 30
Hangs down from the thin hinge 28 and does not hinder the insertion and mounting work of the mounting tool 34.

After the nut 36 is attached to the bolt 22,
Take out the tool 34 from the opening and remove the air dam skirt 2
The cap portion 30 which is integrally connected to the pusher 0 is pushed up and rotated about the thin hinge 28 as an axis, and fitted into the opening 25 (FIG. 5). The cap portion 30 is fixed by engaging the claws 32 with the flat ribs 6 (FIG. 6). In this way, the air dam skirt 20 is attached to the bumper 2,
Since the cap portion 30 of the air dam skirt 20 closes the opening 25 at the lower part of the bumper 2, water does not enter the engine room or the like from the opening 25.

The mounting method described above is one example, and the present invention is not limited to this method. The order may be changed or another process may be inserted. The configurations and shapes described above are only examples, and the present invention is not limited to these configurations and shapes. The shape of the opening scheduled part is
A polygon other than a rectangle such as a triangle may be used, or a shape partially formed by a curve may be used. The fragile portion may have a bridging portion shape between the slits, a thin side portion of the portion to be opened may be formed as a fragile portion, or any other structure that can be broken. Further, the number of vulnerable portions may be one, or two or more. The lid member may be cut off by breaking the fragile portion.
The position of the thin hinge that connects the lid member to the flat rib may be any position, but if the lid member is opened to the lower face of the bumper, it may hinder the mounting operation. Side (the thin hinge extends in the longitudinal direction of the vehicle body) or the vehicle body side. The opening may be kept closed by the cap portion using a claw or another mechanism such as bonding. The number and position are not particularly limited. Further, the lid member may be formed so as to open downward about the thin hinge, and after opening the lid member, the thin hinge may be cut off, and the lid member may be cut off from the flat rib.

Second Embodiment FIG. 7 is a sectional view of a structure for attaching an air dam skirt to a bumper according to a second embodiment, and FIG. It is a perspective view of. In the present embodiment, the bumper 2 is the same as in the first embodiment.
The difference between the air dam skirt 20 and the first embodiment will be described.

The air dam skirt 20 of the present embodiment is
Does not have a cap. Lower air dam extension 26
However, the portion below the opening 25 of the bumper 2 is partially covered. An insertion space for the mounting tool 34 is provided between the flat rib 6 and the air dam extension 26. Due to the relationship between the distance between the flat rib 6 and the air dam extension 26 and the position of the bolt 22, a space for inserting the mounting tool 34 is secured even when the air dam extension 26 covers the entire area below the opening 25. However, in the present embodiment, the air dam extension 26 does not partially cover the opening 25 to secure an insertion space. From here, the mounting tool 34 can mount the nut 36 to the bolt 22 through the opening 25. On the other hand, since the insertion space is set to be very narrow, the opening 25 is largely covered by the extension 26 extending from the front, so that water hardly enters the engine room or the like. ing.

In FIG. 8, the bolt mounting portion 21 of the air dam skirt 20 is formed only in the vicinity of the portion where the bolt insertion hole 24 is provided, but is wider in the vehicle width direction to reinforce the air dam skirt 20 and the like. It may be formed over a range, and the same applies to the first embodiment.

[0034]

The present invention is embodied in the form described above, and has the following effects.

An opening portion for tool insertion, which can be easily opened, is formed in advance in the flat rib at the lower portion of the bumper, so that the opening can be easily opened at an accurate position for mounting the air dam skirt. . Also, the tool is easy to insert and work easily.

There is no need to separately prepare parts other than the bumper, the air dam skirt, and the bolts and nuts, so that the cost is reduced.

The lid member closing the expected opening portion is easily opened by being rotated by the thin hinge and easily opened.

After the air dam skirt is attached, the tool insertion opening can be closed by a cap integrally formed with the air dam skirt, so that water does not enter the engine room.

Since the tool insertion opening is largely covered by the lower portion of the air dam skirt after the air dam skirt is attached, water hardly enters the engine room or the like.

[Brief description of the drawings]

FIG. 1 is a perspective view of a front half of an automobile.

FIG. 2A is a cross-sectional view of the bumper according to the first embodiment, and FIG.

FIG. 3 is a perspective view of a bumper according to the first embodiment.

FIG. 4 is a view of the air dam skirt being attached to the bumper according to the first embodiment;

FIG. 5 is a diagram showing the completion of mounting the air dam skirt on the bumper according to the first embodiment.

6A is a view taken in the direction of arrow B in FIG. 5, and FIGS.
Line cross section

FIG. 7 is a view of the air dam skirt being attached to the bumper according to the second embodiment.

FIG. 8 is a perspective view of the air dam skirt being attached to the bumper according to the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle 2 Bumper 3 Air dam skirt 4 Lower face part 6 Flat rib 6a Rib main body 7 Lid member 8 Planned opening part 10 Fragile part 12 Thin hinge 20 Air dam skirt 25 Opening part 26 Extension part 30 Cap part 34 Mounting tool

Claims (4)

[Claims] 1. A bumper for a vehicle, wherein a flat rib extending from a lower face portion of the bumper toward the vehicle body is formed, and an air dam skirt is mounted on an outer side of the lower face portion on the vehicle body. The air dam skirt is attached to the face portion with a tool insertion opening for inserting a mounting tool, and the opening scheduled portion is integrated with the rib body by a fragile portion that is broken when the air dam skirt is attached. A bumper for a vehicle, wherein a connected lid member is provided, and the lid member opens and opens. 2. The bumper for a vehicle according to claim 1, wherein the lid member is integrally connected to the rib body by a thin hinge and the fragile portion so as to be rotatable and openable. 3. An air dam skirt mounting structure for a bumper, wherein a flat rib extending from a lower face portion of the bumper toward a vehicle body is formed, and an air dam skirt is mounted on a vehicle body outside of the lower face portion. An opening for inserting a tool for inserting a mounting tool when the air dam skirt is attached to the lower face portion is formed, and the opening is closed by a cap portion integrally formed at a lower portion of the air dam skirt. An air dam skirt mounting structure for a vehicle bumper. 4. An air dam skirt mounting structure for a bumper, wherein a flat rib extending from a lower face portion of the bumper toward the vehicle body is formed, and an air dam skirt is mounted on a vehicle body outside of the lower face portion. An opening for inserting a tool for inserting a mounting tool when the air dam skirt is mounted on the lower face portion is formed. An air dam extending below the rib toward the vehicle body is provided below the air dam skirt. An air dam skirt mounting structure for a vehicle bumper, wherein a portion is integrally formed, and the extension portion has an insertion space for the tool between the rib and the opening and covers the opening.