JP6014820B2 - Vehicle under cover assembly structure - Google Patents

Description

  The present invention relates to a structure for assembling an under cover to a lower part of a front or rear floor of a vehicle.

  Conventionally, by providing an under cover under the floor of the vehicle, the flow of air under the floor is controlled to improve the steering stability and fuel consumption of the vehicle (see, for example, Patent Document 1).

  In Patent Document 1, a floor panel is attached to the rear end of the vehicle, and the rear end of the under cover overlaps with the extended portion below the extended portion extending forward of the floor panel. And the under cover is assembled | attached with respect to the floor panel by inserting a common fastening member in the hole respectively formed in the extension part of the floor panel, and the rear end of the under cover.

JP 2011-57147 A

  By the way, when assembling the under cover under the floor of the rear part of the vehicle, the assembling worker is under the floor from the front so as to come close to the upper cover such as a floor panel or a bumper already assembled at the rear end of the vehicle. Move the under cover toward the rear. Then, for example, as shown in FIG. 8, the rear end of the under cover 140 is overlaid on the upper surface of the extension part 124 of the upper cover 120, and the hole 124 a of the extension part 124 and the hole 140 a of the under cover 140 are aligned. The fastening member 154 is inserted through the holes 124a and 140a. Therefore, the alignment operation between the upper cover 120 and the under cover 140 and the insertion operation of the fastening member are complicated.

  An object of the present invention is to provide a vehicle under cover assembly structure in which an under cover can be easily assembled to an upper cover.

Under cover assembly structure for a vehicle in order to achieve the above object, a structure for mounting the under cover the floor of a vehicle, provided at the end after the vehicle, the extending portion extending in front towards And an under cover that is provided under the floor of the vehicle and overlaps the extended portion in the vertical direction, and a hole through which a common fastening member is inserted is formed in the extended portion and the under cover. In addition, at least one of the upper cover and the under cover is provided with a restricting portion that restricts the movement of the under cover in a direction close to the upper cover in a state where the hole of the extending portion and the hole of the under cover coincide with each other. is, under cover is located above the extended portion, the regulating portion is provided above the extended portion, the rear end of the under cover is located at the contact recess capable Ribs are provided on the upper cover, the rib extends forwardly, has engageable engaging piece in engagement hole of the vehicle body, wherein the recess is formed in said rib.

  When assembling the under cover to the vehicle, the operator vertically overlaps the extended portion of the upper cover already assembled with the vehicle, and the hole of the extended portion and the hole of the under cover are aligned. In order to achieve this, the under cover is moved in the direction close to the upper cover. At this time, according to the above configuration, since the restriction portion is provided in at least one of the upper cover and the under cover, the under cover is moved as described above, and the hole of the extension portion and the hole of the under cover If they are in a matched state, further movement of the under cover in a direction approaching the upper cover from this state is restricted. Accordingly, the upper cover and the under cover can be easily aligned.

  According to the present invention, the under cover can be easily assembled to the upper cover.

The perspective view centering on the rear bumper of the vehicle which concerns on one Embodiment, an under spoiler, and an under cover. FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. FIG. 3 is a cross-sectional view taken along line 3-3 in FIG. 1. The disassembled perspective view of the bracket of the embodiment, a screw grommet, an under spoiler, and a tapping screw. Sectional drawing centering on the engagement piece of the under spoiler in the embodiment. Sectional drawing along line 6-6 in FIG. FIG. 3A is a cross-sectional view corresponding to FIG. 2, in which FIG. 2A is a cross-sectional view showing a state in which an engagement piece of an under spoiler is engaged with an engagement hole of the bracket, and FIG. Sectional drawing which shows the state in which the rear end of the undercover was inserted in the clearance gap with an installation part. Sectional drawing centering on the conventional upper cover and undercover.

  Hereinafter, with reference to FIGS. 1-7, one Embodiment which actualized the undercover assembly | attachment structure of the vehicle is described. Note that the rear structure of the vehicle according to the present embodiment is basically symmetrical with respect to the center position in the vehicle width direction. For this reason, hereinafter, the structure on the right side of the vehicle will be described, and the description on the structure on the left side will be omitted.

  As shown in FIG. 1, a rear bumper 10 is provided at the rear end of the vehicle. A plurality of holes 10 a are formed in the upper part of the rear bumper 10, bolts (not shown) are inserted into these holes 10 a, and the bolts are screwed into the tap holes of the vehicle main body 90, whereby the rear bumper 10 is illustrated. 2 and the vehicle main body 90 shown in FIG.

As shown in FIGS. 1 to 3, an under spoiler 20 is provided below the rear bumper 10.
As shown in FIGS. 2 and 3, the under spoiler 20 extends from the spoiler body 22 toward the rear from the spoiler body 22, bends at the rear end thereof, and extends obliquely forward and downward to be connected to the lower end of the spoiler body 22. The rectifying unit 22a is provided. The spoiler body 22 extends back and forth along the lower surface of the rear bumper 10, and is bent at the front end and extends downward. Further, an extension portion 24 extending forward along the lower surface of the rectifying portion 22a is formed at the lower end of the spoiler body 22.

  As shown in FIG. 3, the spoiler body 22 is formed with a fixing piece 23 extending forward. The rear bumper 10 is formed with a fixed piece 13 which is positioned above the fixed piece 23 and overlaps. The fixing pieces 23 and 13 are formed with holes 23a and 13a, respectively. The bolts 72 are inserted into the holes 23 a and 13 a, and the bolts 72 are screwed into the female screws 74 assembled to the fixing piece 13, whereby the under spoiler 20 is fixed to the rear bumper 10.

  As shown in FIG. 2, the under spoiler 20 and an under cover 40 to be described later are fixed to the vehicle main body 90 in front of the under spoiler 20 in the vehicle main body 90 and inside the fixing piece 13 in the vehicle width direction. A bracket 60 is provided. The bracket 60 extends vertically, bends at the lower end thereof, and extends forward.

  As shown in FIGS. 2 and 4, an engagement hole 62 is formed in a portion extending vertically of the bracket 60. An insertion hole 64 is formed in a portion extending in the front and rear direction of the bracket 60. The screw grommet 52 is inserted into the fitting hole 64 from below so as not to rotate.

A rib 28 extending in the vertical direction protrudes from the front surface of the spoiler body 22. An engagement piece 30 extending forward is formed on the rib 28.
The engagement piece 30 is a part that can be engaged with the engagement hole 62 of the bracket 60, and a recess 30 a extending in the vehicle width direction is formed on the lower surface thereof. A protrusion 32 is formed on one side surface of the engagement piece 30.

  Therefore, as shown in FIG. 5, when the engagement piece 30 of the under spoiler 20 is inserted into the engagement hole 62 of the bracket 60 and the recess 30 a is engaged with the lower edge of the engagement hole 62, The downward movement of the under spoiler 20 is restricted by the contact of the upper surface of the recess 30a of the engagement piece 30. In this state, when the front surface or the rear surface of the concave portion 30a of the engagement piece 30 comes into contact with the lower edge of the engagement hole 62, the rear spoiler 20 is restricted from moving rearward or forward.

  At this time, as shown in FIG. 6, the protrusion 32 of the engagement piece 30 contacts the side edge of the engagement hole 62, thereby restricting the movement of the under spoiler 20 in the protruding direction of the protrusion 32 in the vehicle width direction. Is done. In addition, the front surface of the protrusion 32 is an inclined surface 32a that is inclined so as to be located rearward as the distance from the main body of the engagement piece 30 increases in the vehicle width direction. Therefore, when the engagement piece 30 of the under spoiler 20 is inserted into the engagement hole 62 of the bracket 60, the insertion of the engagement piece 30 is guided by the inclined surface 32a.

As shown in FIGS. 1 to 3, an under cover 40 is provided below the floor of the vehicle.
As shown in FIGS. 2 and 3, the rear end of the under cover 40 is located above the extending portion 24 of the under spoiler 20 and overlaps. Holes 24a and 40a are formed in the extended portion 24 and the under cover 40, respectively. A common tapping screw 54 is inserted into the holes 24 a and 40 a from below, and the tapping screw 54 is screwed into a screw grommet 52 assembled to the bracket 60. As a result, the under cover 40 is assembled to the under spoiler 20 and the bracket 60.

As shown in FIG. 2, a step 44 is formed in front of the front end of the extending portion 24 on the lower surface of the under cover 40 to lower the front portion by one step.
Further, a notch 28 a is formed at the lower end of the rib 28, and a recess 38 is defined by the notch 28 a and the upper surface of the extending portion 24.

Next, a procedure for assembling the under spoiler 20 and the under cover 40 to the vehicle main body 90 will be described.
As shown in FIG. 4, the worker first inserts the screw grommet 52 from below into the insertion hole 64 of the bracket 60 fixed to the vehicle main body 90.

  Next, as shown in FIG. 5, the engagement piece 30 of the under spoiler 20 is inserted into the engagement hole 62 of the bracket 60 from the rear to be engaged with the engagement hole 62. Thus, the movement of the under spoiler 20 in the vertical direction and the front and rear direction with respect to the bracket 60, that is, the vehicle main body 90 is restricted, and the alignment between the bracket 60 and the under spoiler 20 is easily performed. In this state, as shown in FIG. 3, the under spoiler 20 is fixed to the rear bumper 10 by a bolt 72 and a female screw 74. As a result, as shown in FIG. 7A, the engagement piece 30 of the under spoiler 20 and the inner edge of the engagement hole 62 of the bracket 60 are not in contact with each other.

  Next, the under cover 40 is assembled to the vehicle main body 90 as indicated by an arrow in FIG. At this time, the under cover 40 is moved from the front toward the gap between the extending portion 24 of the under spoiler 20 and the bracket 60. Then, as shown in FIG. 7B, the rear end of the under cover 40 is inserted into the gap between the extension part 24 of the under spoiler 20 and the bracket 60, and the rear cover 40 is placed on the extension part 24. Overlapping edges. Further, the hole 24a of the extending portion 24 and the hole 40a of the under cover 40 are matched. When the hole 24a of the extended portion 24 and the hole 40a of the under cover 40 coincide with each other, the rear cover moves from this state further to the rear end of the recess 38 at the rear end of the under cover 40. It is regulated by contacting the inner edge. Therefore, the under spoiler 20 and the under cover 40 can be easily aligned.

  Finally, the tapping screw 54 is inserted into the hole 24a of the extending portion 24 and the hole 40a of the under cover 40 from below and screwed into the screw grommet 52, whereby the under cover 40 is aligned with the under spoiler 20. In this state, the bracket is assembled to the bracket 60 together with the under spoiler 20.

According to the vehicle undercover assembly structure according to the present embodiment described above, the following effects can be obtained.
(1) Holes 24 a and 40 a through which a common tapping screw 54 is inserted are formed in the extending portion 24 and the under cover 40 of the under spoiler 20. Further, in the state where the hole 24a of the extension part 24 and the hole 40a of the under cover 40 coincide with each other above the extension part 24, the rear cover 40 is moved rearwardly. A recess 38 is formed to be restricted by contact with the. According to such a configuration, the under spoiler 20 and the under cover 40 can be easily aligned, and the under cover 40 can be easily assembled to the under spoiler 20.

  Further, since the rear end of the under cover 40 is superimposed on the extended portion 24 of the under spoiler 20 already assembled in the vehicle, the downward movement of the rear end of the under cover 40 is restricted by the extended portion 24. Is done. Therefore, the alignment of the hole 24a of the extension 24 and the hole 40a of the undercover 40 and the insertion of the tapping screw 54 can be easily performed as compared with the configuration in which the under cover is superposed under the extension. .

  (2) The under spoiler 20 is provided with a rib 28 extending in the front-rear direction. The rib 28 has an engagement piece 30 that extends forward and can be engaged with an engagement hole 62 of a bracket 60 fixed to the vehicle main body 90. The recess 38 is defined by a notch 28 a formed in the rib 28 and the upper surface of the extended portion 24. According to such a configuration, the engagement piece 30 extending forward from the rib 28 of the under spoiler 20 is engaged with the engagement hole 62 of the bracket 60 fixed to the vehicle main body 90, whereby the under spoiler 20 with respect to the vehicle main body 90 is engaged. Movement is restricted. For this reason, the under spoiler 20 can be positioned with respect to the vehicle body 90.

  (3) A protrusion 32 that restricts the movement of the under spoiler 20 in the vehicle width direction with respect to the vehicle main body 90 is formed on the side surface of the engagement piece 30. According to such a configuration, the under spoiler 20 can be easily positioned with respect to the vehicle main body 90 in the vehicle width direction. Therefore, the under cover 40 can be easily assembled to the positioned under spoiler 20.

  (4) A step 44 is formed in front of the front end of the extended portion 24 on the lower surface of the under cover 40. For this reason, when the under cover 40 is moved rearward, the operator determines whether the hole 24a of the extension portion 24 and the hole 40a of the under cover 40 are based on the distance between the step 44 and the front end of the extension portion 24. It is possible to easily grasp the amount of movement of the undercover 40 required until the two match.

  In addition, the vehicle undercover assembly structure according to the present invention is not limited to the configuration exemplified in the above-described embodiment, and can be implemented as, for example, the following forms appropriately modified.

  Instead of the step 44 of the under cover 40, a convex portion or a concave portion as a mark may be formed in front of the front end of the extension portion of the under spoiler on the lower surface of the under cover. Further, it is possible not to provide a step, a convex part, or a concave part for such a mark on the under cover.

The protrusion 32 can be omitted from the engagement piece 30 of the under spoiler 20.
-The control part which concerns on this invention is not restricted to the recessed part 38 illustrated in the said embodiment. Any part that restricts the movement of the under cover to the rear in a state where the hole of the extension part of the under spoiler and the hole of the under cover coincide with each other, for example, the restriction part is configured by a surface such as a projecting piece. You can also.

  In the above embodiment, the under spoiler 20 has been described as an example of the upper cover, but the under spoiler 20 may be omitted and the upper cover may be embodied as a rear bumper.

  -The upper cover which concerns on this invention is not limited to what is provided in the rear end of a vehicle, For example, it can also be actualized as a front bumper provided in the front end of a vehicle.

  DESCRIPTION OF SYMBOLS 10 ... Rear bumper, 10a ... Hole, 13 ... Fixed piece, 13a ... Hole, 20 ... Under spoiler (upper cover), 22 ... Spoiler main body, 23 ... Fixed piece, 23a ... Hole, 24 ... Extension part, 24a ... Hole 28 ... Ribs, 28a ... Notches, 30 ... Engagement pieces, 30a ... Recesses, 32 ... Projections, 32a ... Inclined surfaces, 38 ... Recesses (regulators), 40 ... Undercovers, 40a ... Holes, 44 ... Steps, 52 ... Screw grommet, 54 ... Tapping screw (fastening member), 60 ... Bracket, 62 ... Engagement hole, 64 ... Insertion hole, 72 ... Bolt, 74 ... Female screw, 90 ... Vehicle body.

Claims (3)

A structure for assembling an under cover below the vehicle floor,
Provided at the end after the vehicle, the upper cover having an extended portion extending in front towards,
An under cover that is provided below the floor of the vehicle and overlaps the extending portion in the vertical direction;
A hole through which a common fastening member is inserted is formed in the extending portion and the under cover,
At least one of the upper cover and the under cover is provided with a restricting portion that restricts movement of the under cover in a direction close to the upper cover in a state where the hole of the extending portion and the hole of the under cover are aligned. ,
The under cover is located above the extending portion,
The restricting portion is provided above the extending portion, and is a recess with which the rear end of the under cover can come into contact,
The upper cover is provided with ribs,
The rib has an engagement piece extending forward and engageable with an engagement hole of a vehicle body,
The recess is formed in the rib;
Vehicle under cover assembly structure. A protrusion for restricting the movement of the upper cover in the vehicle width direction with respect to the vehicle body is formed on a side surface of the engagement piece.
The vehicle undercover assembly structure according to claim 1 . A step is formed in front of the front end of the extended portion on the lower surface of the under cover,
The vehicle undercover assembly structure according to claim 1 or 2 .