JP2002029343A - Device for holding clearance between head lamp and front bumper - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a clearance holding device for maintaining a fixed clearance between a head lamp and a front bumper brought into the same shape using locking legs provided in the head lamp and the front bumper, and to make a component used commonly. SOLUTION: A head lamp fixing part 6 and a front bumper fixing part 7 are integrally molded in a shape to keep the fixed clearance between the head lamp and the front bumper, a flexible interference part 14 is formed in the front bumper fixing part 7 to be deflected by approach of the front bumper locking leg fixed thereto, a locking claw 26 is formed in the head lamp fixing part 6 to be engaged with a locking claw of the head lamp locking leg, and the locking claw 26 is connected to the interference part 14 of the front bumper fixing part 7 by a connecting piece 21 to move the lock claw to a releasing position by deflection of the interference part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clearance maintaining device used to maintain a constant clearance between a headlamp of an automobile and a front bumper.

[0002]

2. Description of the Related Art The gap between an automobile headlamp and a front bumper is kept constant. FIG. 1 shows a holding device 1 for maintaining a constant gap between a headlamp and a front bumper, which has been frequently used in the related art. The holding device 1 supports the headlamp 2 and the front bumper 3 after being formed of a sheet metal material and fixed to the body,
The upper and lower gaps between the headlamp 2 and the front bumper 3 are kept constant. This conventional holding device had to be prepared for each vehicle type having a different design, and unification did not proceed. In addition, the cost could not be reduced.
Further, there is a problem of rust generation because of the sheet metal material.

[0003]

Problems to be Solved by the Invention
No. 1 discloses a method in which an upper clip is fixed to a headlamp, and a lower clip is fixed to a front bumper.
Disclosed is a holding device that connects two clips to maintain a constant gap between a front bumper and a headlamp. This holding device is made of plastic material, which eliminates the problem of rust, keeps the gap with the front bumper constant, and prevents the collision load from being directly transmitted to the headlamp when the bumper collides. In addition, there is no fear of damage to the headlamp.
However, there is still room for improvement in standardizing vehicles with different designs. In addition, since this holding device is composed of two parts, an upper clip and a lower clip, there is a troublesome aspect in its manufacture, sale and management. Japanese Unexamined Utility Model Publication No. 6-61578, which is different from the above-mentioned publication, discloses a headlamp mounting structure for reducing an impact at the time of a bumper collision. Although this mounting structure can reduce the impact of the bumper upon impact, it does not focus on maintaining a constant gap between the bumper and the headlamp. In addition, there is room for improvement because bolts and screws are used.

Accordingly, an object of the present invention is to provide a gap holding device for maintaining a constant gap between a headlamp and a front bumper, and a locking leg provided on the headlamp and the front bumper regardless of the design of the headlamp and the front bumper. The aim is to make the parts the same shape and use common parts.

[0005]

In order to achieve the above object, a holding device for maintaining a clearance between a headlamp and a front bumper according to the present invention receives a headlamp locking leg extending rearward and receives the headlamp. A headlamp fixing part, and a front bumper fixing part that receives a front bumper locking leg extending rearward and is fixed to the front bumper.The headlamp fixing part and the front bumper fixing part are a headlamp and a headlamp fixing part. The front bumper is integrally formed so as to maintain a certain gap between the front bumper and the front bumper fixing portion. The front bumper fixing portion has a flexible interference portion that is bent by further entering the front bumper locking leg. The headlamp fixing portion engages with a locking claw of a headlamp locking leg. Click pawl is formed, and the interference portion of the with the locking pawl bumper fixing unit,
The locking claw is connected by a connecting piece so as to move the lock claw to the release position by the bending of the interference portion.

[0006] As described above, the headlamp locking leg extending rearward is used for fixing the headlamp, and the front bumper locking leg extending rearward is used for fixing the front bumper. Even if the design of the front bumper changes depending on the vehicle model, as long as the respective locking legs are the same, the headlamp and front bumper can be held with a certain gap using the same shape of the holding device, and all the holding devices Common use for automobiles becomes possible. Further, by simply locking both locking legs to the corresponding fixing portions, mounting to the headlamp and the front bumper can be easily performed. Then, the locking claw of the headlamp fixing portion moves to the release position by the connecting piece when the front bumper locking leg enters so as to bend the interference portion, so that the fixing of the headlamp can be released, so that the front bumper collides. Also, the headlamp can be separated, and the impact on the front bumper is not affected by the headlamp, so that it can be easily separated from the damaged front bumper. Then, in order to remove the headlamp from the mounting state where the gap is held, the holding device is pulled out by pulling the headlamp forward, and the locking leg of the front bumper relatively enters, so that interference is caused. The portion is flexed to release the locking claw of the headlamp fixing portion, and the headlamp can be easily removed. Removal of the front bumper can be done with a simple operation of pulling.

In the present invention, the front bumper fixing portion is formed in a tubular body for receiving and fixing the front bumper locking leg, and the interference portion is provided on a bottom portion at the back of the front bumper fixing portion tubular body to fix the headlamp. The part is formed as another cylindrical body formed on the front bumper fixing part cylindrical body, the bottom of the headlamp fixing part cylindrical body is made common with the upper part of the front bumper fixing part cylindrical body, and the lock claw is Preferably, the connecting piece is provided at an upper rear portion of the front-bumper-fixing-portion cylindrical body, and the connecting piece is connected to the locking claw and the interference portion at the back-side end of the front-bumper-fixing-portion cylindrical body. As a result, both the headlamp locking leg and the front bumper locking leg can be fixed by a simple operation simply by inserting the same into the corresponding cylindrical fixing portion. In addition, the lock claw is an elastic claw formed by separating an upper portion of a back portion of the front bumper fixing portion tubular body by a slit, and the interference portion has a bottom portion of the front bumper fixing portion tubular body separated by a slit; It is preferable that the protrusion is an elastic protruding piece protruding to the upper side, so that the lock claw and the interference portion can be easily formed.
Further, it is preferable that the front bumper fixing portion is connected to the headlamp fixing portion by a reinforcing rib at the tubular portion, so that the fixing strength to the front bumper can be kept high. On the upper part of the front bumper fixing part cylindrical body, a rib for regulating the front bumper locking leg received in the cylindrical body from moving up and down of the cylindrical body is formed so as to protrude to the bottom side. Is preferable, whereby the attachment to the front bumper can be strengthened. It is preferable that a fixing claw of the front bumper locking leg is formed in an entrance portion for inserting the front bumper locking leg in the front bumper fixing portion cylindrical body,
As a result, not only can the front bumper be fixed by insertion but also can be easily removed by slightly lifting the front bumper.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 2 to 8,
The gap holding device 5 for keeping a gap between the headlamp and the front bumper according to the present invention includes a headlamp fixing part 6 and a front bumper fixing part 7, and the headlamp fixing part 6, the front bumper fixing part 7, Is integrally formed of a plastic material. The headlamp fixing portion 6 is fixed to the headlamp by receiving a headlamp locking leg extending rearward of the headlamp. The front bumper fixing portion 7 is fixed to the front bumper by receiving a front bumper locking leg extending rearward of the front bumper. The headlamp fixing part 6 is formed on the upper part of the front bumper fixing part 7, and is formed in a shape and a structure for maintaining a fixed gap between the fixed headlamp and the front bumper fixing part. Details of the front bumper fixing section 7 and the headlamp fixing section 6 will be described below.

The front bumper fixing portion 7 holds a front bumper locking leg. The front bumper locking legs are
It is a slightly wide plate-like body formed to extend rearward from the bumper body. In order to receive and hold the front bumper locking leg, as shown in FIG. 4, it is formed as a cylindrical body 9 having a rectangular cross section and slightly longer in the insertion direction. At the entrance of the tubular body 9, there is formed a fixing claw 10 which is locked in a locking hole of the front bumper locking leg to position and hold the front bumper locking leg in the vehicle longitudinal direction and the vertical direction. On the inner upper part of the front-bumper-fixing-portion cylindrical body 9, a rib 11 for restricting the front-bumper locking leg received in the cylindrical body 9 from rattling above and below the cylindrical body is formed so as to protrude to the bottom side. ing. These ribs 11 extend long to the back side of the tubular body 9 and may be one, but as is apparent in FIG. 4 and the like, two ribs are provided at an interval to strengthen regulation. Further, a tapered insertion guide 13 is provided at the bottom of the cylindrical body 9 on the entrance side so as to guide the bumper locking leg into the cylindrical body 9. Thus, the front bumper locking leg can be easily inserted into the tubular body 9 of the front bumper fixing portion 7 and can be easily inserted.
The whole contour, the fixing claws 10 and the ribs 11 firmly fix and hold the front bumper fixing portion 7. Further, according to this structure, removal can be easily performed by lifting the front bumper locking leg so as to float the locking portion with the fixing claw 10 and pulling the front bumper locking leg out of the tubular body 9.

A flexible interference portion 14 is formed at the bottom portion of the front bumper fixing portion 7 on the back side of the tubular body 9 so that the fixed front bumper locking leg further enters the back side and interferes. ing. 2 and 8, the bottom of the cylindrical body 9 of the front bumper fixing part 7 is separated from the cylindrical body by slits 17 and 18 to form an elastic piece having elasticity. Further, it is formed as an elastic protruding piece protruding upward in order to interfere with the front bumper locking leg. The number of the interference portions 14 may be one, but two or more may be provided as shown. Further, the degree of protrusion of each interference portion 14 is indicated by a dimension 19 in FIG. 6, and this dimension 19 determines a load at the time of releasing a lock claw of the headlamp fixing portion 6 described later. If the size 19 is large, the release of the lock claw is reliable, but the pushing load of the interference portion 14 is high. If the size 19 is small, the pushing load is low but the amount of movement of the lock claw in the release direction is small. Become. The interference portion 14 extends to the rear side of the tubular body 9 and a connecting piece 21 is integrally formed at an end thereof. The connecting piece 21 extends upward and is connected to a lock claw described later. Therefore, the cylindrical body 9 of the front bumper fixing portion 7
When the front bumper locking leg is further moved relative to the inner side of the tubular body 9 in a state where the front bumper locking leg is inserted and held and fixed, the tip of the locking leg rides on the interference portion 14 and 14 is pushed down to the same plane as the bottom surface of the tubular body 9. By this pressing down, the connecting piece 21 connected to the end of the interference section 14 is pressed down, and as described later,
The lock claw connected to the connecting piece 21 is pressed down to release the lock of the lock claw.

The headlamp fixing part 6 holds a headlamp retaining leg. The headlamp locking leg is a slightly wider plate-like body, but is formed of a plate-like body shorter than the front bumper locking leg, and is formed so as to extend rearward from the locking part that hangs downward from the headlamp body. Have been. The headlamp fixing part 6 is formed as a cylindrical body 22 formed on the front bumper fixing part cylindrical body 9, and the bottom of the headlamp fixing part cylindrical body 22 is an upper part of the front bumper fixing part cylindrical body 9. And has become common. The length of the headlamp fixing part tubular body 22 is shorter than the length of the front bumper fixing part tubular body 9,
Is located at an upper position on the back side of the front bumper fixing portion tubular body 9. The position and size of these cylinders 9 and 22 are selected to maintain a constant gap between the front bumper and the headlamp above it. Also,
The upper outer surface of the front bumper fixing portion cylindrical body 9 functions as a guide surface for guiding the head lamp locking leg when the head lamp locking leg is inserted into the head lamp fixing portion cylindrical body 22. A cut-out portion 23 is formed in the upper part of the front bumper fixing portion cylindrical body 9 that functions as the guide surface, and receives a locking portion hanging from the headlamp. A guide 25 for facilitating insertion of the headlamp locking leg is formed in the upper portion of the entrance of the headlamp fixing portion tubular body 22 in a tapered manner.

On the bottom of the tubular body 22 of the headlamp fixing part 6, a lock claw 26 is formed which engages with the locking claw of the headlamp locking leg. Headlamp fixing part tubular body 22
Since the bottom of the front bumper fixing portion cylindrical body 9 is also located at the upper portion on the back side, it can be said that the lock claw 26 is provided at the upper portion on the back of the front bumper fixing portion tubular body 9. The lock claw 26 is an elastic claw formed by separating the upper part of the back part of the front bumper fixing portion tubular body 9 by a pair of slits 27 extending in the insertion direction. By simply inserting the headlamp locking leg into the tubular body 22 with the elastic locking claw 26, the locking claw was engaged with the locking claw of the headlamp locking leg and inserted into the tubular body 22. The headlamp is locked in a state and cooperates with the tubular body 22 to hold the headlamp, and positions the headlamp in the vehicle front-rear direction and the vehicle up-down direction.

Further, the tip of the lock claw 26 (the end on the back side in the insertion direction) and the interference portion 14 of the front bumper fixing portion 7 are displaced by the interference portion 14 which is bent toward the back side of the front bumper locking leg, so that the lock claw 26 is bent. Press down and lock claw 2
6 are connected by a connecting piece 21 so as to be moved to the release position. Accordingly, when the front bumper locking leg enters the interference portion 14 and bends so as to push down the interference portion 14, the connecting piece pushes down the lock claw 26 to move it to the release position, and when the head lamp is pulled out, the lock claw 26 moves. Can be easily unlocked. Therefore, even if the front bumper collides, the headlamp can be easily separated, and the impact on the front bumper is not affected by the headlamp.
The headlamp can be easily separated from the damaged front bumper. Then, in order to remove the headlamp from the state of holding the gap, the headlamp is pulled forward so that the entire holding device 5 is pulled forward, and the locking leg of the front bumper is located at the back of the tubular body 9. Since the vehicle enters relatively, the interference part 14
Is depressed and deflected to release the lock claw 26 of the headlamp fixing part 6, and the headlamp can be easily removed.

The front bumper fixing portion 7 is provided at the rear end of the front bumper fixing portion cylindrical body 9 with respect to the headlamp fixing portion 6 and at the rear end of the cylindrical body 22 of the headlamp fixing portion 6. Triangular reinforcing rib 29 toward
Are tightly connected. As a result, it is possible to obtain strength enough to withstand the load applied to the front bumper.

Referring to FIGS. 9 and 10, an operation of fixing the holding device 5 having the above-described structure according to the present invention to the headlamp and the front bumper to maintain a gap between the front bumper and the headlamp will be described. Will be explained. FIG.
3A, the head lamp locking leg 30 is inserted into the tubular body 22 of the head lamp fixing portion 6 of the holding device 5 as shown by an arrow 31. A locking claw 33 is formed at the tip of the headlamp locking leg 30, and by this insertion,
As shown in FIG. 9B, the locking claw 33 is
And the engagement state is maintained by the regulation of the tubular body 22, and the holding device 5 is held and fixed to the headlamp.

Next, the headlamp to which the holding device 5 is fixed is held on the front bumper using the holding device 5. 10A, the front bumper locking leg 34 is inserted in the direction of the arrow 35 into the cylindrical body 9 of the front bumper fixing portion 7 of the holding device 5 with the headlamp. By this insertion, the locking leg 34 advances in the tubular body 9 while the rattling of the up and down is regulated by the rib 11 and the bottom of the tubular body 9. FIG. 10B shows a state in which the locking portion 37 of the locking leg 34 is engaged with the fixed claw to maintain the engaged state, and the holding device 5
As a result, the headlamp and the front bumper
The connection is performed while maintaining a constant gap 38 of 0 (B). With the gap 38 maintained, the headlamp and the front bumper are fixed to the body of the automobile by screws or the like at a place different from the place where the holding device 5 is mounted.

FIG. 11 shows a state in which an impact is applied to the front bumper at the time of a collision of an automobile. Now, FIG.
When an impact force indicated by an arrow 39 is applied to the front bumper as shown in FIG. 7A, the front bumper locking leg 34 moves from the position of the imaginary line (two-dot chain line), that is, the position where the front bumper locking leg is fixed in the normal state to the position of the solid line. , And the cylindrical body 9
And the tip of the locking leg 34 is
And pushes down the interference part 14 downward. By this pressing down, the connecting piece 21 is lowered, and the lock claw 26 connected to the connecting piece 21 is lowered to the lock release position. When the locking claw 26 moves to the release position, the locking claw 33 of the headlamp locking leg 30 is unlocked, and the headlamp locking leg 30 is released from the holding device 5. FIG. 11 (B)
As shown by the arrow 41, even if the front bumper moves further rearward due to the impact, the impact from the front bumper is not transmitted to the headlamp because the headlamp locking leg 30 is disengaged from the holding device 5, and The lamp remains intact without any damage.

FIG. 12 shows a procedure for replacing only the headlamp for maintenance or repair. First, in FIG. 12A, the head lamp is pulled out in the direction of arrow 42 with the head lamp. As a result, the head lamp locking leg 30 moves in the direction of the arrow 42, and the entire holding device 5 is moved from the position of the imaginary line to the position of the solid line by the engagement between the locking claw 33 and the lock claw 26. Even with this movement, the front bumper locking leg 34 does not move while being fixed to the vehicle body, so that the front bumper locking leg 34 relatively enters the front bumper fixing portion tubular body 9 relatively. As a result, as shown in FIG. 12B, the front end of the front bumper locking leg 34 rides on the interference portion 14 and pushes it down, pushing down the connecting piece 21 to move the lock claw 26 to the unlocked position. If the headlamp is further pulled out by moving the lock claw 26 to the release position, only the headlamp can be removed from the holding device 5. Thereafter, in order to assemble another or repaired headlamp to the holding device 5, as shown in FIG. 12C, the locking claw 33 at the tip of the headlamp locking leg 30 is attached to the headlamp fixing part tubular body 22. Into the direction of arrow 43, the locking claw 33 gets over the locking claw 26,
The holding device 5 is pushed from the position shown in FIG. 12B to the original fixed position shown in FIG. As a result, the interference portion 14 separates from the tip of the front bumper locking leg 34, and the lock claw 26 returns to the locked position.
0 is fixed to the holding device 5, and the headlamp is maintained in a state of maintaining a constant gap 38 (see FIG. 10B) from the front bumper. Thus, the operation of removing only the headlamp can be easily performed.

FIG. 13 shows a procedure for removing and reassembling only the front bumper. Removal of the front bumper is performed by pulling out the front bumper toward the front of the vehicle. As shown in FIGS. 13A and 13B, the engagement between the fixing claw 10 and the locking portion of the front bumper locking leg 34 can be released by an operation such as strongly pulling out the front bumper or applying a slight twist. it can. The frontward withdrawal of the front bumper does not affect the interference portion 14 of the tubular body 9, so that the engagement between the headlamp locking leg 30 and the lock claw 26 is maintained. For reassembly, the front bumper locking leg 34 is inserted into the front bumper fixing portion tubular body 9 as shown in FIG. This insertion may be completed when the fixing claw 10 engages with the locking portion of the locking leg 34. In this way, the operation of removing the front bumper can be easily performed, in which case the holding of the headlamp is maintained without being affected.

[0020]

According to the present invention, the headlamp is fixed using the headlamp locking leg extending rearward, and the front bumper is fixed using the front bumper locking leg extending rearward. Even if the design of the headlamp or front bumper changes depending on the vehicle type, the headlamp and the front bumper can be held with a certain gap using the holding device of the same shape as long as the respective locking legs are the same. Can be common to all vehicles. Further, by simply locking both locking legs to the corresponding fixing portions, mounting to the headlamp and the front bumper can be easily performed. And when the front bumper is impacted by a collision, the headlamp can be separated from the holding device,
The impact on the front bumper is not affected by the headlamp, and the headlamp can be reused if the headlamp is not damaged. To remove the headlamp for replacement or the like, the headlamp can be removed by a simple operation of pulling forward, and the removal of the front bumper can be performed by a simple operation of pulling.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a relationship among a conventional holding device, a headlamp, and a front bumper.

FIG. 2 is a vertical cross-sectional perspective view of the holding device according to the present invention along an insertion direction.

FIG. 3 is a plan view of the holding device according to the present invention.

4 is a left side view of the holding device of FIG. 3, as viewed from an entrance side.

FIG. 5 is a right side view of the holding device of FIG. 3;

FIG. 6 is a sectional view taken along line AA of the holding device of FIG. 4;

7 is a cross-sectional view of the holding device of FIG. 6, taken along line BB.

8 is a cross-sectional view of the holding device of FIG. 6, taken along line CC.

9A and 9B are diagrams showing a state in which a headlamp is fixed to the holding device according to the present invention, wherein FIG. 9A is a longitudinal sectional view of the holding device and the headlamp before fixing, and FIG. It is a longitudinal section of a headlamp.

10A and 10B are diagrams showing a state in which a front bumper is fixed to a holding device according to the present invention to which a headlamp is fixed. FIG. 10A is a longitudinal sectional view of the holding device, the headlamp, and the front bumper before the front bumper is fixed. B) is a longitudinal sectional view of the holding device, the headlamp and the front bumper after the front bumper is fixed.

11A and 11B are diagrams showing a state when an impact due to a collision is applied to the front bumper, wherein FIG. 11A is a longitudinal sectional view of the holding device, the headlamp and the front bumper at the time of the collision, and FIG. It is a longitudinal cross-sectional view of a holding device, a headlamp, and a front bumper, showing a state of unlocking.

12A and 12B are diagrams showing a state in which the headlamp can be detached and reattached alone, FIG. 12A is a longitudinal sectional view of the holding device, the headlamp, and the front bumper immediately before the headlamp is removed, and FIG. A vertical sectional view of the holding device, the headlamp, and the front bumper immediately after being released,
(C) is a longitudinal sectional view of the holding device, the headlamp, and the front bumper during reattachment of the headlamp.

13A and 13B are diagrams showing a state in which the front bumper can be detached and reattached alone, in which (A) is a longitudinal sectional view of the holding device, the headlamp and the front bumper immediately before the front bumper is removed, and (B) is a view in which the front bumper is almost removed. FIG. 4C is a vertical cross-sectional view of the holding device, the headlamp, and the front bumper in the state, and FIG. 4C is a vertical cross-sectional view of the holding device, the headlamp, and the front bumper while the front bumper is being re-mounted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conventional holding device 2 Headlamp 3 Front bumper 5 Holding device according to the present invention 6 Headlamp fixing part 7 Front bumper fixing part 9 Front bumper fixing part cylindrical body 10 Fixing claw 11 Rib 13 Insertion guide 14 Interference part 17 Slit 18 Slit 21 Connection Piece 22 headlamp fixing portion tubular body 23 notch 25 guide 26 locking claw 27 slit 29 reinforcing rib 30 headlamp locking leg 33 locking claw 34 front bumper locking leg 37 locking portion 38 gap

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor, Motomitsu Miyazato 1 Toyota Town, Toyota City, Aichi Prefecture Inside Toyota Motor Corporation (72) Inventor Hitoshi Aoyama 1 Toyota Town, Toyota City, Aichi Prefecture Inside Toyota Motor Corporation

Claims (6)

[Claims] 1. A holding device for maintaining a gap between a headlamp and a front bumper, comprising: a headlamp fixing portion that receives a headlamp locking leg extending rearward and is fixed to the headlamp; and a front bumper extending rearward. A front bumper fixing portion that receives the locking leg and is fixed to the front bumper. The headlamp fixing portion and the front bumper fixing portion are integrally formed so as to maintain a constant gap between the headlamp and the front bumper. The front bumper fixing portion is formed with a flexible interference portion that is bent by further entering the front bumper locking leg fixed thereto, and the headlamp fixing portion includes a headlamp. A lock claw that engages with the locking claw of the locking leg is formed. The said interference portion of Tobanpa fixing portion, the holding device, characterized in that it is connected by a connecting piece to move to the release position the locking pawl by the deflection of the interference portion. 2. The apparatus according to claim 1, wherein the front bumper fixing portion is formed in a tubular body that receives and fixes the front bumper locking leg, and the interference portion is formed of a cylindrical body of the front bumper fixing portion. The headlamp fixing part is provided at a back bottom part, and the headlamp fixing part is formed as a cylindrical body formed on the front bumper fixing part cylindrical body, and the bottom part of the headlamp fixing part cylindrical body is The upper part of the front bumper fixing part cylindrical body is common, the lock claw is provided in an upper part at the back of the front bumper fixing part cylindrical body, and the connecting piece is the front bumper fixing part cylindrical body. The device, wherein the locking claw and the interference unit are connected at a rear end. 3. The device according to claim 2, wherein the lock claw is an elastic claw formed by separating an upper portion of a back portion of the front bumper fixing portion cylindrical body by a slit, and the interference portion is A bottom portion of the front-bumper-fixing-section tubular body is an elastic protruding piece that is separated by a slit and protrudes upward. 4. The device according to claim 3, wherein the front bumper fixing portion is connected to the headlamp fixing portion by a reinforcing rib at a rear end of the tubular body. . 5. The device according to claim 2, wherein a front bumper locking leg received in the cylindrical body is provided on an upper portion inside the cylindrical body of the front bumper fixing portion. A device characterized in that a rib for restricting the body from moving up and down is formed so as to protrude toward the bottom. 6. The device according to claim 5, wherein the front bumper fixing portion cylindrical body has a fixing claw of the front bumper locking leg formed at an entrance portion into which the front bumper locking leg is inserted. Characteristic device.