JP3516873B2 - Door mirror mounting structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door mirror mounting structure.

[0002]

2. Description of the Related Art Conventionally, as a door mirror mounting structure, for example, one disclosed in Japanese Utility Model Laid-Open No. 5-44640 is known. In this conventional technique, as shown in FIG. 4, a reinforcement 0 is applied to the back surface of the outer panel 01 of the door.
2 is spot-welded, and the base structure (base member) 03 of the door mirror is fixed to the portion where the strength is increased by fastening means including bolts 04 and nuts.

[0003]

However, in the conventional door mirror mounting structure as described above, the reinforcement 02 is spotted on the outer panel 01 in order to secure the strength of the portion to which the base (base member) 03 of the door mirror is fastened. Since the welding was performed, there was a problem that the outer panel 01 had spot distortion.

Further, in order to weld the reinforcement 02 to the back surface of the outer panel 01, it is necessary to fix the outer panel 01 with a jig before performing the work. Also,
Generally, a door is provided with a lock device and a mechanism for raising and lowering a window glass in a space formed between the outer panel 01 and an inner panel (not shown). However, these structures are usually mounted on the inner panel side. Has become. this is,
This is because, when the members that support these are fixed by spot welding or screws and bolts, it is not necessary to perform external treatment on the inner panel. Also, when performing work on this inner panel, a jig for fixing the inner panel is required. Therefore, in the prior art, a jig for fixing the inner panel and a jig for fixing the outer panel are required, which increases the manufacturing cost, and the work for the outer panel and the work for the inner panel are different. Since it is a process, there is a problem that it takes time and costs are increased.

In addition, since the reinforcement 02 is constructed so as to be joined exclusively along the back surface of the outer panel 01, it is completely considered to improve the rigidity of the door itself by using a member for fixing the door mirror. is not.

The present invention has been made by paying attention to the conventional problems as described above. In the door mirror mounting structure,
Prevents spot welding marks of reinforcement on the outer panel, eliminates work on the outer panel to reduce manufacturing labor and cost, and uses reinforcement to inexpensively improve door rigidity. The purpose is to.

[0007]

In order to achieve the above object, the door mirror mounting structure of the present invention is provided on an outer surface of an outer panel of a door in which a space is formed between the outer panel and the inner panel. In a door mirror mounting structure in which a door mirror having a mirror body and a base member supporting the mirror body is mounted in the door mirror mounting portion, a through hole is formed in the door mirror mounting portion, and a door on the back side of the door mirror mounting portion is formed. A reinforcement is provided in the space, and the reinforcement has an upper end portion and a lower end portion fixed to the inner panel, and a predetermined gap between the reinforcement portion and the rear surface of the outer panel in the door mirror attachment portion. And a fixing portion arranged close to each other is provided, and the base member is passed through the through hole to the fixing portion of the reinforcement. It has a structure which is fixed by the binding means. According to a second aspect of the present invention, in the door mirror mounting structure according to the first aspect, the fastening means penetrates through the through hole and the hole formed in the reinforcement fixing portion so as to project from the base member. The length of the bolt
You may comprise from this bolt the nut screwed from the back side of a fixed part. Further, as described in claim 3, in the door mirror mounting structure according to claim 1 or 2, a sash vehicle that closes a front end portion of a mouth opening toward the space between the inner panel and the outer panel. While the inner end is welded to the inner panel, the vehicle outer end of the sash is welded by overlapping the reinforcement and the outer panel, and the reinforcement is indirectly fixed to the inner panel via the sash. The structure may also be fixed to the outer panel. Further, as described in claim 4, in the door mirror mounting structure according to claims 1 to 3, it is possible to prevent water from entering between the door mirror mounting portion of the outer panel and the base member toward the through hole. A sealing member for preventing may be provided.

(Operation) In the present invention, the reinforcement is
It is attached to the inner panel fixed to the jig,
For example, the installation can be performed in the same process as the installation work of the elevating mechanism of the window glass and the door lock device. Therefore, the work of attaching to the outer panel can be eliminated, and the jig for the outer panel can be eliminated. Also, when attaching the door mirror to the door, first attach the base member along the door mirror attachment portion of the outer panel, and then in this state, from the inside of the door by fastening means, force the base member through the through hole of the outer panel to force the reinforcement. Secure it to the fixed part of. Further, the reinforcement for fixing the base member forms a closed cross section with the inner panel, and thus contributes to the rigidity of the door. Therefore, the rigidity of the door can be improved by utilizing the configuration for mounting the door mirror.

According to the second aspect of the present invention, the bolt projecting from the base member penetrates the through hole of the outer panel and the hole formed in the fixing portion of the reinforcement, and the bolt is inserted from the inside of the door. The nut is screwed onto the bolt to fix the base member to the fixed portion of the reinforcement.
According to the third aspect of the invention, the inner panel is fixed, the sash is welded to the inner panel, the lower end of the reinforcement is welded, and the outer panel is welded to the inner panel. Weld the sash, reinforcement, and outer panel with the upper end of the reinforcement in between. In this way, the upper end of the reinforcement can be welded and fixed not only to the inner panel but also to the outer panel without fixing the outer panel. Therefore, the reinforcement is bridged between the outer panel and the inner panel, which further contributes to the rigidity of the door. Further, the welding portion of the reinforcement to the outer panel is originally a portion where the sash is welded, and there is no increase in the work of erasing welding marks or the like for welding the reinforcement. In the invention according to claim 4, the seal member prevents water from entering between the door mirror mounting portion of the outer panel and the base member toward the through hole of the outer panel.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. (First Embodiment of the Invention) First, a door mirror mounting structure of the first embodiment shown in FIGS. 1 and 2 will be described. 1 is a longitudinal sectional view showing a door mirror mounting structure according to the first embodiment, FIG.
2 is a view as seen from the direction of arrow A in FIG. In FIG. 1, reference numeral 1 is a front door of an automobile. The front door 1 is formed by joining an outer panel 11 and an inner panel 12 so as to form a space 13 between the outer panel 11 and the inner panel 12.
FIG. 1 shows the front end of the front door 1. At this front end, a fitting glass 4 is provided in an opening forming a window, and the fitting glass 4 is used as the outer panel 11. Is supported via a seal member 3 by a sash 2 that closes a mouth 16 provided between the inner panel 12 and the inner panel 12. A window glass (not shown) is provided on the rear side of the fit-and-kill glass 4 so as to be opened and closed by elevating.

The inner side wall 21 of the sash 2 is welded to the edge portion of the inner panel 12 with the inner reinforcement 8 interposed. The outer side wall 22 of the sash 2 is welded to the edge portion of the outer panel 11 with the reinforcement 14 interposed.

The reinforcement 14 extends downward in the space 13 and has a lower end edge welded to a middle portion of the inner panel 12, and a fixing portion 14a at an intermediate portion between the reinforcement 14 and the back surface of the outer panel 11. The fixing portion 14a is provided with a predetermined gap h and is close to each other, and three holes 14b are formed in the fixing portion 14a. A working hole 12a is formed in the inner panel 12 facing each hole 14b, and each hole 14b
In the outer panel 11 facing b, there is a relief hole (through hole) 1
1a is formed.

Further, in FIG. 1, reference numeral 5 denotes a door mirror, and a mirror main body 52 provided with a mirror (not shown), and a front door 1 supporting the mirror main body 52.
And a base member 51 fixed to. The base member 51 is the door mirror mounting portion 1 of the outer panel 11.
5 has a mounting surface 51a formed so as to follow 5, and a seal member 53 is mounted along the outer peripheral edge of this mounting surface 51a. Further, on the mounting surface 51a of the base member 51, a bolt 54 is provided so as to project a part of the head at a position corresponding to each clearance hole 11a formed in the outer panel 11. Then, this bolt 54 is used for each escape hole 11
a and the hole 14b formed in the reinforcement 14 are penetrated, and the nut 6 is screwed from the inside of the reinforcement 14, so that the base member 51 is fastened and fixed to the fixing portion 14a of the reinforcement 14.

Next, the procedure for attaching the door mirror 5 will be described. When assembling the front door 1, first, each component is fixed to the inner panel 12. In this case, the inner panel 12 is fixed by a jig (not shown), and the inner side reinforcement 8 and the sash 2 are fixed. After the inner side wall 21 is overlapped and positioned, spot welding is performed. Further, the reinforcement 14 is positioned and the lower end portion thereof is spot-welded to the inner panel 12. In this step, other members such as a door lifting mechanism are also attached.

After the mounting work for the inner panel 12 is completed, the outer panel 11 is finally assembled to the inner panel 12. At this time, the outer panel 11 is further overlapped on the portion where the vehicle outer side wall 22 of the sash 2 and the upper end of the reinforcement 14 overlap, and spot welding is performed. As a result, the front door 1 is formed.

Next, in order to mount the door mirror 5 on the front door 1 formed as described above, first, the seal member 53 is attached to the outer peripheral edge of the mounting surface 51a of the base member 51.
With the attached state, the bolts 54 are inserted from the outside of the vehicle into the relief holes 11a of the outer panel 11 and the holes 14b of the reinforcement 14 inside the outer panel 11, and the mounting surface 51a of the base member 51 of the door mirror 5 is attached. The outer panel 11 is mounted along the door mirror mounting portion 15. Next, in this state, the nuts 6 are screwed and fastened to the bolts 54 from the working holes 12a formed in the inner panel 12, and the base member 51 is firmly fixed to the fixing portion 14a of the reinforcement 14. At this time, the seal member 53 is pressed against the outer panel 11 with a predetermined pressure to seal the escape holes 11a.

In the first embodiment described above,
The reinforcement 14 has its upper end edge fixed to the vehicle exterior side wall 22 of the sash 2 of the front door 1 by welding, and its lower end edge is fixed to the middle part of the inner panel 12 by welding to fix the base member 51 of the door mirror 5. The fixing portion 14a for fixing has a predetermined gap h between the fixing portion 14a and the back surface of the outer panel 11.
The outer panel 1
1 and the reinforcement 14 are not required to be spot-welded, and therefore, it is possible to obtain an effect that it is possible to prevent the spot distortion from being generated in the outer panel 11, and between the outer panel 11 and the inner panel 12. The effect of being able to improve the rigidity of the front end portion of the front door 1 by bridging the reinforcement 14 to the front is obtained. A welding mark between the outer panel 11 and the vehicle exterior side wall 22 of the sash 2 is hidden by the molding 9, and the molding 9 is originally set even if the welding marking with the sash 2 is hidden. However, it is not newly added.

Further, in the case of providing various structures inside the front door 1, for example, when an elevating device for the window glass 4 and a lock mechanism are provided, welding or bolts are attached to the outer panel 11.
When attached to a nut, etc., it is necessary to hide welding marks and bolts.
It is generally installed on the 2 side. Therefore, in the present embodiment, the inner panel 12 can be fixed in the same process as these operations, and therefore, the work for the outer panel 11 can be eliminated and the jig for fixing the outer panel 11 can be eliminated. Since it is not necessary to separately prepare, the effect that the manufacturing cost can be reduced can be obtained.

Further, since the seal member 3 is interposed between the outer peripheral edge portion of the mounting surface 51a of the base member 51 of the door mirror 5 and the outer panel 11, an effect of excellent watertightness can be obtained.

(Second Embodiment of the Invention) Next, a second embodiment of the invention will be described. In the description of the second embodiment of the present invention, the same components as those of the first embodiment of the present invention will be designated by the same reference numerals and the description thereof will be omitted, and only different points will be described.

In the door mirror mounting structure according to the second embodiment, as shown in the enlarged sectional view of the main part in FIG. 3, a boss portion 54c is formed on the base member 51, and a female screw hole 54b is formed from the tip mounting surface thereof. is doing. Then, the base member 51 of the door mirror 5 is fixed to the fixing portion 14a by screwing and fastening the bolt 7 from the inside of the fixing portion 14a of the reinforcement 14 into the female screw hole 54b of the boss portion 54c.

Although the embodiments of the present invention have been described in detail above with reference to the drawings, the specific configuration is not limited to the embodiments of the present invention, and design changes and the like within a range not departing from the gist of the present invention. Even so, it is included in the present invention.

[0023]

As described above, according to the invention described in claims 1 to 4, the reinforcement for attaching the door mirror has its upper end and lower end fixed to the inner panel, and
A fixing part is provided in the middle part of the door mirror mounting part so as to have a predetermined gap between the door mirror mounting part and the back surface of the outer panel, and the base member of the door mirror is fixed to the fixing part of the reinforcement by fastening means. It is possible to eliminate the work of attaching to the outer panel at the time of fixing the reinforcement, it is possible to eliminate the jig for the outer panel, and it is possible to prevent welding marks on the outer panel, reducing the labor of manufacturing and In addition to the effect that the manufacturing cost can be reduced,
Since the reinforcement forms a closed cross section with the inner panel and contributes to the improvement of the rigidity of the door, there is an effect that the reinforcement of the door mirror can be utilized to improve the rigidity of the door at low cost. According to the third aspect of the present invention, the reinforcement is fixed to the inner panel via the sash, and the reinforcement is interposed between the sash and the outer panel for welding.
It is possible to fix the reinforcement to the outer panel without adding the separate welding work of the reinforcement to the outer panel, and without adding the work of erasing the welding marks of the reinforcement to the outer panel as in the past, it is possible to use the reinforcement. Is provided between the outer panel and the inner panel, and the rigidity of the door is further improved. According to the invention described in claim 4, since the seal member is provided, it is possible to prevent water from entering between the door mirror mounting portion of the outer panel and the base member toward the through hole of the outer panel.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view showing a door mirror mounting structure according to a first embodiment of the present invention.

FIG. 2 is a view on arrow A in FIG.

FIG. 3 is an enlarged sectional view of an essential part showing a door mirror mounting structure according to a second embodiment of the present invention.

FIG. 4 is a vertical cross-sectional view showing a conventional door mirror mounting structure.

[Explanation of symbols]

1 door 2 sashes 21 Inside car side wall 22 Car side wall 3 seal members 4 Inlaid glass 5 door mirrors 51 Base member 51a Mounting surface 52 Mirror body 53 Seal member 54 Volts 54b Female screw hole 54c Boss (fastening means) 6 nuts (fastening means) 7 bolts (fastening means) 8 Inner side reinforcement 9 malls 11 Outer panel 11a Escape hole (through hole) 12 Inner panel 12a Working hole 13 Space 14 Reinforce 14a Fixed part 14b hole 15 Door mirror mounting part 16 mouth

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B60R 1/06

Claims (4)

(57) [Claims] 1. A door mirror having a mirror body and a base member for supporting the mirror body in a door mirror mounting portion provided on an outer surface of an outer panel of a door having a space formed between the outer panel and the inner panel. In the door mirror mounting structure, the through-hole is formed in the door mirror mounting portion, and a reinforcement is provided in a door space on the back side of the door mirror mounting portion. This reinforcement has upper and lower end portions. A fixing portion fixed to the inner panel and provided in the middle thereof in close proximity to the back surface of the outer panel in the door mirror mounting portion with a predetermined gap is provided, and the base member serves as a reinforcement fixing portion. A door mirror mounting structure, characterized in that the door mirror is fixed by fastening means through the through hole. 2. The bolt having a length that penetrates through the hole formed in the base member and formed in the through hole and the fixing portion of the reinforcement, and the bolt,
The door mirror mounting structure according to claim 1, comprising a nut screwed from the back side of the fixing portion. 3. A mouth opening to the space is provided between the inner panel and the outer panel, and an inner end of the sash that closes the front end of the mouth is welded to the inner panel. On the other hand, the vehicle outer end of the sash is welded by overlapping the reinforcement and the outer panel, and the reinforcement is indirectly fixed to the inner panel via the sash and also fixed to the outer panel. The door mirror mounting structure according to claim 1 or 2, wherein: 4. A seal member is provided between the door mirror mounting portion of the outer panel and the base member to prevent water from entering the through hole. Door mirror mounting structure described in 3.