JP3136590B2 - Corner pole device for automobile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a corner pole device for an automobile, and more particularly to a mounting structure for a bumper having a built-in cushioning material.

[0002]

An automobile corner pole device is provided, for example, at a corner of a front bumper.
It is intended to make it easier for the driver to grasp the sense of the vehicle body. Among such automobile corner pole apparatuses, there is a remote-control automobile corner pole apparatus in which a pole assembly can be freely extended and retracted so that the corner pole is not obstructed or undesired when not required. When the pole assembly is made extendable and contractable in this manner, a driving means for expanding and contracting the pole assembly is required, and it is necessary to mount a corner pole device body incorporating the driving means in the bumper.

[0003] By the way, there is a bumper in which a cushioning material is built in a bumper main body having the appearance thereof. Conventionally, when mounting an automobile corner pole device in a bumper with a built-in cushioning material, the cushioning material is removed or a portion of a single cushioning material that interferes with the corner pole device body or the like is cut off. I was However, in any case, the shock absorption is reduced by the removal or removal of the cushioning material as compared with the case where the corner pole device for automobile is not attached.
In addition, even when a portion of the single cushioning material that interferes with the corner pole device body or the like is cut off, the cut-off amount is considerably large, and the drop in shock absorption is large.

[0004] A drive cord, for example, a flexible rack, is used to extend and retract the pole assembly, and the drive cord is also housed in a linear guide tube. In this case, a long lightening for accommodating the guide tube must be formed in the cushioning material. For example, while the lightening for storing the corner pole device body is located on the front side of the cushioning material, In the case where the hollow portion for accommodating the guide tube is also formed on the front side of the cushioning material when the rear portion is located at the rear portion of the corner pole device main body, the amount of the hollow portion is increased, and the drop in shock absorption is increased. .

SUMMARY OF THE INVENTION The present invention is directed to solving such a problem. In a corner pole apparatus for an automobile which is mounted in a bumper having a bumper body with a built-in cushioning material, the shock absorbing material has a reduced shock absorbing property. The aim is to minimize as much as possible.

[0006]

According to a first aspect of the present invention, there is provided a corner pole device for an automobile, which is mounted in a bumper having a built-in cushioning material in the bumper body. A telescopic pole assembly protruding outward from a through hole formed in a corner portion; and a corner pole device main body having driving means for expanding and contracting the pole assembly and attached to the bumper main body. The corner pole device main body is sandwiched in the thickness direction of the bumper by a cushioning material. The cushioning material must be provided with a lightening portion at the part that interferes with the corner pole device main body.However, the cushioning material is divided into a plurality of parts, and the lightening is performed by sandwiching the corner pole device main body with these cushioning materials. The part can be made as small as possible.

According to a second aspect of the present invention, in order to achieve the above object, in a corner pole device for an automobile mounted in a bumper having a cushioning material built into the bumper body, the corner pole device is formed at a corner portion of the bumper body. A telescopic pole assembly protruding outward from the through-hole, a corner pole device main body attached to the bumper main body and having driving means for expanding and contracting the pole assembly by moving a drive cord;
A guide tube that extends linearly from the corner pole device main body and stores the drive cord therein; a first cushioning material on a central portion side; The first cushioning material is divided into a second cushioning material on a corner portion side, and a guide tube storage lightening portion for accommodating the guide tube is formed on the vehicle body side surface of the first cushioning material. The cushioning member has a corner pole device main body storage lightening portion for housing the corner pole device main body formed on a surface opposite to the vehicle body. On the center side of the bumper, the guide tube interferes with the cushioning material on the vehicle body side surface, and on the corner side of the bumper, even if the corner pole device body interferes with the cushioning material on the surface opposite to the vehicle body, In the first cushioning material, the guide tube housing lightening portion is formed on the vehicle body side surface, and in the second cushioning material, the corner pole device main body lightening portion is formed in the vehicle body side. By forming the lightening portion on the opposite side, the lightening portion does not need to be formed excessively large, and the lightening portion can be made as small as possible.

According to a third aspect of the present invention, in the second aspect of the present invention, the corner pole device main body is sandwiched between the first cushioning material and the second cushioning material in the thickness direction of the bumper. Thereby, similar to the first aspect of the present invention,
The required thickness of the lightening portion for storing the corner pole device body can be minimized.

According to a fourth aspect of the present invention, in the second or third aspect of the present invention, the bumper main body has a convex portion formed at a central portion of an inner surface thereof and positioned alongside the first cushioning material. A fixing hole into which the distal end of the guide tube is inserted is formed on a side surface of the projection. By inserting the distal end portion of the guide tube into the fixing hole of the bumper main body in this way, the rattling of the guide tube is prevented.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a corner pole device for a vehicle according to the present invention. In the following description, the positional relationship between the front and rear is based on the vehicle body. Reference numeral 1 denotes a front bumper. The front bumper 1 has a bumper body 2 with built-in cushioning materials 3 and 4 and a corner pole device for an automobile mounted inside. These bumper body 2 and cushioning materials 3 and 4
Are molded products of synthetic resin, respectively,
Numeral 4 is made of a material having an excellent cushioning property, such as bead expanded polypropylene. Further, the bumper body 2 has a back side reinforcing member 2b made of polypropylene or the like fixed to an upper portion inside the surface member 2a. A central convex portion 6 is formed at the center in the left-right direction on the rear surface (body-side surface) of the back side reinforcing member 2b of the bumper body 2, and a fixing hole 7 is formed on the right side surface of the central convex portion 6. Have been. An upper piece 8 bent rearward is formed at an upper edge of the bumper main body 2, and a lower piece 9 bent rearward is formed at a lower edge of the back reinforcing member 2 b of the bumper main body 2. ing. In the right corner of the bumper main body 2, a holding piece 10 is formed on the inner surface of the back side reinforcing member 2b, and a pole assembly through hole 11 located slightly centrally with respect to the holding piece 10 is formed at the top. Is formed. In addition, the pole assembly through-hole 11 has an oblong hole 11a formed in the surface material 2a and a square hole formed in the back side reinforcing material 2b.
11b.

The cushioning members 3 and 4 incorporated on the right side of the front bumper 1 are divided into a first cushioning member 3 at the center and a second cushioning member 4 at the corner. And
The first cushioning material 3 includes an upper piece 8 and a lower piece 9 of the pump body 2.
And the right side surface of the central convex portion 6 is fitted and assembled later in a press-fit state, and is located alongside the central convex portion 6. Further, the second cushioning material 4 is fitted into the upper piece 8, the lower piece 9, and the pressing piece 10 of the pamper body 2 by being fitted into the latter in a press-fit state. The first cushioning member 3 has a concave groove-shaped guide tube housing lightening portion 16 penetrating in the left-right direction on the rear surface, that is, the surface on the vehicle body side. The fixing hole 7 of the central convex portion 6 of the pumper body 2
Faces the guide tube storage lightening portion 16. Further, a corner pole device main body receiving portion 17 extending along the inner surface of the bumper main body 2 is formed in the first cushioning member 3 so as to extend rightward. On the other hand, in the lower portion of the second cushioning member 4, a corner-portion-unit-body-removing lightening portion 18 formed of a concave portion is formed on the front surface, that is, the surface opposite to the vehicle body. The lightening portion 18 for accommodating the corner pole device main body also opens to the lower surface of the second cushioning material 4. In addition, the said lightening parts 16 and 18 are
When the cushioning members 3 and 4 are molded by a mold, they are integrally formed.

Reference numeral 21 denotes a corner pole device main body. The corner pole device main body 21 is attached to a lower portion inside a corner portion of the bumper main body 2 by a bracket 22. More specifically, the corner pole device main body 21 is fixed by a fixing tool 24 such as a bolt on a bracket 22 having one end fixed to the lower piece 9 of the bumper main body 2 by a fixing tool 23 such as a bolt. Further, a pole assembly 26 which is telescopic and vertically expandable and contractable is incorporated in the corner pole device main body 21 at a position on the right side. The pole assembly 26 projects upward and outward from the bumper 1 through the pole assembly through hole 11 of the bumper body 2 and has a lamp 27 at a tip end. And the corner pole device body 21
A driving means for driving the pole assembly 26 to expand and contract is incorporated in the apparatus. The driving means is an electric motor 31 housed in a motor housing 30 on the left side of the corner pole device main body 21.
Is converted into movement of the drive cord 32, and the movement of the drive cord 32 causes the pole assembly 26 to expand and contract. Power transmission means for converting the rotation of the electric motor 31 into movement of the drive cord 32 is incorporated in a power transmission means housing portion 33 on the right side of the corner pole device main body 21. Although not shown, the power transmission means is constituted by a gear train or the like, and the pinion meshes with the drive cord 32 formed of a flexible rack, thereby rotating the drive cord 32. Is converted to This drive code 32 is
Although bent at a substantially right angle at 21, the pole assembly 26 is housed in a substantially straight guide tube 34 in a contracted state. The guide tube 34 extends leftward from a rearward position of the left side surface of the motor housing portion 30 of the corner pole device main body 21. Further, from the corner pole device main body 21, a pair of harnesses 3 which are electric wires electrically connected to the lamp 27 and the electric motor 31 are provided.
5,36 are extended.

The corner pole device main body 21 includes:
The second cushioning member 4 is accommodated in a front wall corner-reducing portion 18 for accommodating the corner pole device. At the same time, the motor accommodating portion 30 of the corner pole device main body 21 is sandwiched by the second cushioning member 4 and the corner pole device main body receiving portion 17 of the first cushioning member 3 in the front-rear direction, that is, the thickness direction of the bumper 1. ing. The guide tube 27 is housed in the guide tube housing lightening portion 16 on the rear side of the first cushioning material 3, and its tip is inserted into the fixing hole 7 of the central convex portion 6 of the bumper body 2. Have been. Further, the harness 35,
The reference numeral 36 extends downward from the lightening portion 18 for accommodating the corner pole device main body of the second cushioning member 4.

Next, the mounting of the corner pole device for a vehicle to the bumper 1 will be described. FIG. 2 shows the bumper body 2 to which neither the cushioning members 3 or 4 nor the corner pole device for a vehicle has been attached yet. The attachment is performed, for example, manually, but first, as shown in FIG.
Of the bumper body 2 between the upper piece 8, the lower piece 9, and the right side surface of the central projection 6. Next, as shown in FIG. 4, the corner pole device main body 21 is attached to the bumper main body 2 via the bracket 22. At this time, the pole assembly 26 extending upward from the corner pole device main body 21 is passed through the pole assembly through hole 11 of the bumper main body 2. In addition, a guide tube 34 extending leftward from the corner pole device main body 21 is passed through the guide tube storage lightening portion 16 of the first cushioning material 3 and, as shown in detail in FIG. The distal end of the tube 34 is inserted into the fixing hole 7 of the central projection 6 of the bumper main body 2. Next, as shown in FIG. 5, the second cushioning member 4 is attached to the bumper main body 2. In this mounting, first, the right side of the second cushioning material 4 is
After engaging with the holding piece 10 of the second embodiment, the left side of the second cushioning member 4 is turned forward as shown by the arrow A so that the second cushioning member 4 is Push it in between the lower piece 9. FIG. 6 shows a state where the mounting is completed in this way.

[0015] In contrast to the standard cushioning material attached to the bumper body when the corner pole device for an automobile is not attached,
The corner pole device main body 21 is located at an intermediate portion in the front-rear direction of the standard cushioning material. Thus, as in the present embodiment, when mounting a corner pole device for an automobile, the cushioning members 3 and 4 to be attached in place of the standard cushioning material are divided into two parts, and the cushioning members 3 and 4 are used to form the corner pole body 21. Is sandwiched in the front-back direction.
The thickness of the lightening portion 18 at the portion where the corner pole device main body 21 interferes can be minimized. At the same time, by sandwiching the corner pole device main body 21 between the cushioning members 3 and 4, an effect of reliably protecting the corner pole device main body 21 can be obtained.

Further, while the corner pole device main body 21 interferes with a relatively front position of the standard cushioning material, the guide tube 34 extends to the left from the rearward position of the corner pole device main body 21. So it interferes with the relatively rear position of the standard cushioning material. Therefore, as in this embodiment,
The cushioning members 3 and 4 are divided into a first cushioning member 3 at the center of the bumper 1 having the guide tube 34 and a second cushioning member 4 at the corner of the bumper 1 having the corner pole device main body 21. In the first cushioning material 3, the guide tube storage lightening portion 16 is formed on the rear side, while in the second cushioning material 4, the corner pole device body storage lightening portion 18 is formed on the front side. Accordingly, the thickness of each of the lightening portions 16 and 18 can be set to a size suitable for each of the guide tube 34 and the corner pole device main body 21. Therefore, it is not necessary to make the lightening portions 16 and 18 extra large, and the lightening portions 16 and 18
18 can be made as small as possible.

As described above, the thickness of the lightening portions 16 and 18 to be formed in the cushioning material for mounting the corner pole device for an automobile can be made as small as possible. Can be reduced as much as possible,
4 can be maximized.

Further, since the fixing hole 7 is formed in the central convex portion 6 of the bumper main body 2 and the distal end of the guide tube 34 is inserted into the fixing hole 7, the guide tube 34 can be securely held. 34 rattling can be prevented.

It should be noted that the present invention is not limited to the above embodiment, and various modifications can be made. For example,
There are various types of bumpers other than those illustrated in the above-described embodiment, and the present invention can be applied to bumpers having various shapes. In addition, various configurations other than those in the above-described embodiment are possible for mounting the cushioning material and the corner pole device main body on the bumper main body.

[0020]

According to the first aspect of the present invention, there is provided a corner pole device for an automobile which is mounted in a bumper having a buffer material built in the bumper body, wherein the corner pole device is provided outwardly from a through hole formed in a corner portion of the bumper body. A projecting telescopic pole assembly; and a corner pole device main body having driving means for expanding and contracting the pole assembly and attached to the bumper main body. It is sandwiched in the vertical direction, and the thickness of the lightening portion to prevent the corner pole device main body from interfering with the cushioning material can be reduced to the minimum necessary size, and the reduction in shock absorption due to the cushioning material can be suppressed as much as possible. it can. At the same time, an effect that the corner pole device main body can be reliably protected can be obtained.

According to a second aspect of the present invention, in a corner pole device for an automobile mounted in a bumper having a cushioning material built in the bumper body, the bumper body projects outward from a through hole formed in a corner portion of the bumper body. A telescopic pole assembly, a corner pole device main body having driving means for expanding and contracting the pole assembly by moving a drive cord, and a corner pole device main body attached to the bumper main body; A guide tube for accommodating a cord, wherein a cushioning material incorporated into one side of the bumper body is divided into a first cushioning material on a central portion side and a second cushioning material on the corner portion side. In the first cushioning member, a guide tube storage hollow portion for accommodating the guide tube is formed on the vehicle body side surface, and the corner cushion is formed in the second cushioning member. The lightening portion for storing the corner pole device main body in which the main body of the corner pole device is stored is formed on the surface opposite to the vehicle body, and the lightening portion for preventing interference between the corner pole device main body and the guide tube and the cushioning material. The portion can be made as small as possible, and a decrease in shock absorption due to the cushioning material can be suppressed as much as possible.

According to a third aspect of the present invention, in the second aspect of the present invention, the corner pole device main body is sandwiched between the first cushioning material and the second cushioning material in a thickness direction of the bumper. The thickness of the lightening portion for accommodating the pole device main body can be reduced to the minimum necessary size, so that the shock absorbing property due to the cushioning material can be further reduced. At the same time, an effect that the corner pole device main body can be reliably protected can be obtained.

According to a fourth aspect of the present invention, in the second or third aspect of the present invention, the bumper main body has a protruding portion formed at a central portion of an inner surface thereof and positioned alongside the first cushioning material. A fixing hole into which the distal end of the guide tube is inserted is formed on the side surface of the convex portion, so that the guide tube can be securely held and rattling of the guide tube can be prevented.

[Brief description of the drawings]

FIG. 1 shows one embodiment of the present invention, and is a cross-sectional view of a part of a bumper to which a corner pole device for a vehicle is attached.

FIG. 2 is a perspective view showing a back side of a bumper in a state where a cushioning material and a corner pole device for a vehicle are not mounted, showing one embodiment of the present invention.

FIG. 3 shows one embodiment of the present invention, and is a perspective view of the back side of a bumper to which a first cushioning material is attached.

FIG. 4 is a perspective view showing a back side of a bumper to which an embodiment of the present invention is further attached, to which a corner pole device main body is further attached.

FIG. 5 is a perspective view showing the back side of the bumper in the process of mounting the second cushioning material, according to the embodiment of the present invention.

FIG. 6 shows one embodiment of the present invention, and is a perspective view of the back side of a bumper to which mounting of a cushioning material and a corner pole device for an automobile is completed.

7 shows an embodiment of the present invention, and is an enlarged view of the vicinity of a fixing hole of the guide tube of FIG. 4. FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front bumper (bumper) 2 Bumper main body 3 1st cushioning material 4 2nd cushioning material 6 Central convex part (convex part) 7 Fixing hole 11 Pole assembly through hole (through hole) 16 Lightening part for storing guide tube 18 Lightening section for storing corner pole device main body 21 Corner pole device main body 26 Pole assembly 32 Drive cord 34 Guide tube

Claims (4)

(57) [Claims] 1. An automobile corner pole device mounted in a bumper having a cushioning material built into the bumper body, a telescopic pole assembly protruding outward from a through hole formed in a corner portion of the bumper body. It is provided with a three-dimensional structure, a corner pole device main body having driving means for expanding and contracting the pole assembly, and being attached to the bumper main body, wherein the corner pole device main body is sandwiched in a thickness direction of the bumper by a plurality of cushioning materials. A corner pole device for automobiles. 2. A corner pole device for a vehicle, which is mounted in a bumper having a cushioning material built into a bumper body, wherein the telescopic pole assembly projects outward from a through hole formed in a corner portion of the bumper body. A three-dimensional body, a driving means for expanding and contracting the pole assembly by moving the drive cord, a corner pole device main body attached to the bumper main body, and the drive cord extending linearly from the corner pole device main body and housed therein. A guide tube, and a cushioning material incorporated into one side of the bumper main body is divided into a first cushioning material on a central portion side and a second cushioning material on the corner portion side, In the cushioning material, a lightening portion for accommodating the guide tube for accommodating the guide tube is formed on the surface on the vehicle body side, and in the second cushioning material, the corner pole device body is accommodated. A corner pole device for an automobile, wherein a lightening portion for storing a corner pole device main body is formed on a surface opposite to a vehicle body. 3. The corner pole device for an automobile according to claim 2, wherein said corner cushion device main body is sandwiched between said first cushioning material and said second cushioning material in a thickness direction of a bumper. 4. The bumper main body has a protrusion formed at a center portion of an inner surface thereof and positioned alongside the first cushioning material, and a tip of the guide tube is formed on a side surface of the protrusion. 4. The corner pole device for an automobile according to claim 2, wherein a fixing hole to be inserted is formed.