JP2888254B2 - Plate member assembly method - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a method for assembling two plate-like members together using bolts and nuts.

(Prior Art) Conventionally, as this kind, for example, FIGS.
There is one as shown in FIG.

In FIG. 4, reference numeral 1 denotes an automobile door. The automobile door 1 is provided with a pair of door hinges 2 and 3 vertically, and the upper door hinge 2 is provided with a bolt hole 18 and a locate hole 17 in this order from the top. And a bolt hole 19, and two bolt holes 22 and 23 are formed in the lower door hinge 3.

When assembling the automobile door 1 to the vehicle body, after positioning in the vehicle width direction is performed using a jig (not shown),
The upper door hinge 2 is positioned on the vehicle body panel 4 with the locating pin 5, fixed with bolts 6, 7, weld nuts 8, 9 and the like via the plate 12, and the lower door hinge 3 is also screwed.

More specifically, in the body side process, as shown in FIG. 6 (a), first, slightly projecting guide portions 10, 11 of the weld nuts 8, 9 are fitted into holes 13, 14 formed in the plate 12. Then, the weld nuts 8, 9 are welded to the plate 12.

Next, the plate 12 is placed on the vehicle body panel 4 positioned on the jig. Then, a pair of locating pins 5 (one is omitted) are inserted into the holes 15 and 16 for positioning. As a result, the holes 13 and 14 of the plate 12
The plate 12 is welded to the vehicle body panel 4 at this position.

In this way, the body side, floor, roof, etc., on which the plate 12 and the like are assembled, are assembled in the main body process.

Thereafter, in the metal line process, the vehicle door 1 is mounted on the vehicle body assembled in the main body process. That is, as shown in FIG. 6 (b), the locate hole 17 of the door hinge 2 is inserted into the locate pin 5, the automobile door 1 is moved around the locate pin 5, and the bolts 6, 7 are connected to the hinge 2.
And it is inserted into the bolt holes 18 and 19 of the vehicle body panel 4 and the like and screwed to the weld nuts 8 and 9 to adjust and fix the gap between the vehicle body panel 4 and the vehicle door 1. The bolt holes 6,
There is some play between the bolt 7 and the bolt holes 18 and 19, and the position of the hinge 2 can be adjusted. At this time, the lower door hinge 3 is also screwed.

The assembled vehicle door 1 is removed at the outfitting line entrance after the painting process is completed, and is reattached when the outfitting is completed.

As a structure which can be easily adjusted for the reattachment, there is, for example, a structure described in Japanese Utility Model Laid-Open No. 55-176965.

(Problems to be Solved by the Invention) However, in such a conventional device, the positioning between the vehicle body panel 4 and the plate 12 is performed by the vehicle body panel 4
And plate 12 with holes 16 and 15 for locating pin 5, respectively.
And a method of positioning the vehicle body panel 4 and the plate 12 by inserting the locating pins 5 into the holes 16 and 15 is employed. The positioning of the vehicle body panel 4 and the door hinges 2 and 3 is also performed. Therefore, there is a problem that the efficiency of the positioning operation is inferior and that members such as the locating pin 5 are required and the number of parts is increased.

An object of the present invention is to provide a method of assembling a plate-like member capable of improving the efficiency of a positioning operation and reducing the number of parts.

(Means for Solving the Problems) In order to achieve the above object, the present invention has a large diameter portion and a small diameter portion when assembling the first plate member and the second plate member with each other. A female screw portion penetrating the large-diameter portion and the small-diameter portion is provided inside, and the axial length of the small-diameter portion is larger than the thickness of the first plate-shaped member, and A nut formed smaller than the sum of the respective plate thicknesses of the second plate-shaped member is prepared, while the first plate-shaped member has a first reference hole having substantially the same diameter as the small-diameter portion of the nut. In the second plate-shaped member, a second reference hole having substantially the same diameter as the small-diameter portion of the nut is formed, and the small-diameter portion of the nut is fitted into the first reference hole. With the distal end side protruding from the first reference hole, the large diameter portion is
Then, the projecting portion of the small-diameter portion is fitted into the second reference hole, and a bolt is inserted through the second reference hole from the opposite side to be screwed into the female screw portion. ,
It is further characterized in that the bolt is tightened.

[Action]

According to the above configuration, since the small-diameter portion of the nut and the first reference hole of the first plate-shaped member are set to have substantially the same diameter, the small-diameter portion is fitted into the first reference hole, so that the nut is in the first position. It is accurately positioned on one plate-shaped member.

Thereafter, the projecting portion of the small diameter portion is connected to the second plate member by the second plate member.
When fitted into the reference hole, the second reference hole is also set to have substantially the same diameter as the small diameter portion, so that the first plate-like member is directly positioned with respect to the second plate-like member.

Therefore, the work of positioning the first and second plate-shaped members can be easily performed, and the number of components can be reduced because a locating pin or the like as in the related art is not required.

(Examples) Hereinafter, the present invention will be described based on examples.

FIGS. 1 (a) and (b) to 3 show an embodiment of the present invention.

In the figure, reference numeral 45 denotes an automobile door. The door 45 is provided with a door hinge 38 different from the conventional one on the upper side and a door hinge 3 similar to the conventional one on the lower side. Although this door hinge 3 is not shown in the drawings for explaining this embodiment, it is the same as that shown in FIG. 4 of the conventional example. On the other hand, the upper door hinge 38 has two holes 47 and 48
Are drilled.

In addition, a weld nut 41 similar to the conventional one and a weld nut 31 which is one component of the present invention are used for mounting the vehicle door 45.

The weld nut 31 also functions as the conventional locate pin 5, and as shown in FIG.
(The plate 32 constitutes a first plate-shaped member), a large-diameter portion 34 having a larger diameter than the first reference hole 33, and a first reference hole.
33 and a small diameter portion 35 having the same diameter. The projecting length of the small diameter portion 35 from the large diameter portion 34 is, as shown in FIG. 1B, the plate 32, the vehicle body panel 37, and the door hinge 38 (the vehicle body panel 37).
And the door hinge 38 constitute a second plate-shaped member) and have a thickness substantially equal to the overlapped thickness. Inside the door hinge 38, a bolt 36 for threading the bolt 36 penetrating on the central axis of the weld nut 31 is provided. A female screw portion 39 is formed.

The automobile door 45 is attached to the vehicle body panel 37 using the weld nut 31 and the like.

That is, in the body side process, as shown in FIG. 1A, after the small diameter portion 35 of the weld nut 31 is fitted into the first reference hole 33 of the plate 32, the large diameter portion 34 is welded to the plate 32. . Also, as in the conventional case, the weld nut 41 has the guide portion 44 fitted in the hole 41 of the plate 32 and welded to the plate 32. The guide portion 44 does not protrude from the hole 42 of the plate 32.

Next, as shown in FIG. 1 (b), the plate 32 on which the weld nut 31 is positioned and fixed is brought close to the vehicle body panel 37, and the small diameter portion 35 protruding from the plate 32 is made the same diameter as the small diameter portion 35. The set second reference hole 40 is fitted. Thus, the weld nut 31 is positioned on the second reference hole 40, that is, at a required position of the vehicle body panel 37.

As a result, the weld nut 31 has not only a function as a nut for the bolt 36 but also a function as a locate pin for positioning the weld nut 31 itself on the vehicle body panel 37.

Then, from this state, based on the weld nut 31,
As shown in FIG. 3, the holes 42 of the plate 32 in which the weld nuts 41 are fitted are aligned with the holes 43 of the vehicle body panel 37, and the plate 32 is welded to the vehicle body panel 37, whereby the weld nuts 31, 41 are formed. It is positioned and fixed to the vehicle body panel 37.

Thus, the body side, floor, roof, etc., on which the plate 32 and the like are assembled, are assembled in the main body process.

Next, in the metal line process, the vehicle door 45 is mounted on the vehicle body assembled in the main body process.

That is, as shown in FIGS. 1 (b), 2 and 3, a small-diameter portion projecting from the vehicle body panel 37 into a hole 47 of the door hinge 38 (the hole 47 also forms a second reference hole). With the small-diameter portion 35 as the center, the car door 45 is slightly moved to adjust the clearance around the door, and the bolts 36, 49
Are screwed into the weld nuts 31 and 41 and the door hinges 38 and 3 are bolted, whereby the vehicle door 45 is positioned and fixed to the vehicle body panel 37. There is play between the bolt 49 and the holes 43 and 48, as shown in FIG. 3, so that the position of the door hinge 38 can be adjusted.

This car door 45 is finished at the painting process, removed at the outfitting line entrance, and re-attached when the outfitting is completed. Good mounting workability.

As described above, by inserting the small diameter portion 35 of the weld nut 31 into the second reference hole 40 of the vehicle body panel 37 and the reference hole 47 of the door hinge 38, the positioning of the plate 32 and the door hinge 38 with respect to the vehicle body panel 37 is achieved. Therefore, it is not necessary to use the locating pin 5 as in the conventional example, and the efficiency of the positioning operation can be improved, and the number of parts can be reduced.

In the above embodiment, the present invention is applied to the method of positioning the plate 32 on the vehicle body panel 37. However, the present invention is not limited to this, and it is a matter of course that other panels may be used.

(Effects of the Invention) As described above, according to the present invention, the axial length of the small-diameter portion is larger than the plate thickness of the first plate-shaped member, and
-Since a nut formed smaller than the sum of the respective plate thicknesses of the second plate member is used, when the nut is fitted into the first reference hole of the first plate member, The small-diameter portion of the nut protrudes from the first plate-shaped member so that the operation of positioning the first plate-shaped member on the second plate-shaped member can be performed efficiently, and the small-diameter portion of the nut is moved to the second plate-shaped member.
When the nut is fitted into the second reference hole of the plate member, the tip of the small-diameter portion of the nut does not protrude from the second plate-shaped member, and the bolt can be securely fastened to the nut.

Further, since a locating pin is not required when positioning the plate member, the number of parts can be reduced.

[Brief description of the drawings]

1 (a) and (b) to 3 are views showing a panel positioning method according to an embodiment of the present invention, and FIG. 1 (a) is a cross-sectional view showing a state in which a weld nut is positioned on a plate. FIG. 1 (b) is a cross-sectional view showing a positioning state of a weld nut to a vehicle body panel, FIG. 2 is a cross-sectional view showing a state where a door hinge is attached, and FIG. 3 is a cross-sectional view showing a positioning state of a door hinge. . 4 to 6 (b) are views showing a conventional panel positioning method. FIG. 4 is an external view of an automobile door, and FIG. 5 corresponds to FIG. 2 showing a door hinge positioned and fixed. FIG. 6 (a) is an exploded sectional view showing a state in which the plate is positioned on the vehicle body panel, and FIG. 6 (b) is an exploded sectional view showing a state in which a door hinge is attached to the vehicle body panel to which the plate is fixed. is there. 31 ... weld nut 32 ... plate (first plate-like member) 33 ... first reference hole 34 ... large-diameter portion 35 ... small-diameter portion 37 ... body panel (second plate-like member) 38 ... door hinge (second plate) 39) Female thread 40: Second reference hole

Claims (1)

(57) [Claims] 1. A female member having a large diameter portion and a small diameter portion when assembling the first plate member and the second plate member with each other, and penetrating the large diameter portion and the small diameter portion therein. A screw portion is provided, and the axial length of the small-diameter portion is greater than the thickness of the first plate-like member, and
A nut formed smaller than a value obtained by adding the respective plate thicknesses of the second plate-like member is prepared, while the first plate-like member has a first diameter substantially the same as the small diameter portion of the nut. A reference hole is formed in the second plate-like member, and a second reference hole having substantially the same diameter as the small diameter portion of the nut is formed. The small diameter portion of the nut is fitted into the first reference hole, The large-diameter portion is fixed to the first plate-like member in a state where the tip end side of the portion projects from the first reference hole. A method for assembling a plate-like member, comprising: inserting a bolt from the opposite side into the second reference hole, screwing the bolt into the female screw portion, and further tightening the bolt.