JPH0629152Y2 - Door check bracket mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to an improvement in a door check bracket mounting structure for mounting a door check of a vehicle such as an automobile.

(Prior Art) Generally, a vehicle such as an automobile has a vehicle body 1 as shown in FIG.
The door 2 disposed on the side surface of the vehicle is connected to the door pillar of the vehicle body 1 such as the front pillar 3 via door hinges 4 and 4 so as to be openable and closable. Further, a door check 5 is arranged between the door 2 and the front pillar 3. The door check 5 regulates the opening of the door 2 in a plurality of stages, for example, a half-open position and a fully-open position in stages.

5 and 6 show the front pillar 3 of the vehicle body 1.
3 shows a mounting state of the door check bracket 6 fixed to. In this case, the front pillar 3 of the vehicle body 1
Is formed by joining an inner panel 3a and an outer panel 3b, and a U-shaped bracket 7 that is bent and formed in a substantially U-shape is mounted between the inner panel 3a and the outer panel 3b of these front pillars 3. Has been done. As shown in FIG. 7, a metal flat plate is bent and formed in a substantially U shape on the U-shaped bracket 7 to form an upper plate 7a, a lower plate 7b and a side plate 7c. Further, joining flange portions 8 and 9 joined to the outer panel 3b of the front pillar 3 are formed at the edge portions of the upper plate 7a and the lower plate 7b of the U-shaped bracket 7, respectively. And
Attach the side plate 7c of the U-shaped bracket 7 to the front pillar 3
The U-shaped bracket 7 is joined to the outer panel 3b of the front pillar 3 by means of spot welding or the like while the U-shaped bracket 7 is joined to the outer panel 3b by facing the inner panel 3a. It is fixed to 3.

Further, the check bracket 6 has a substantially L-shaped holding portion 6
The curved line a is formed. The holding portion 6a is formed with a first joint portion 6b joined to the outer panel 3b of the front pillar 3 by one bent piece, and
The second bent portion 6c is joined to the lower plate 7b of the U-shaped bracket 7 by the other bent piece. The holding portion 6a also includes a door check support piece 6d.
Is projected. Then, when the check bracket 6 is attached, the second joint 6c of the check bracket 6 is joined to the lower plate 7b of the U-shaped bracket 7 before joining the outer panel 3b of the front pillar 3 to the inner panel 3a. With the door check support piece 6d of the check bracket 6 extended to the outside of the front pillar 3 from the insertion hole formed in the outer panel 3b of the front pillar 3, the joint flange portion 8 of the U-shaped bracket 7
9 is joined to the outer panel 3b of the front pillar 3 by means such as spot welding, and then the first joint 6b of the check bracket 6 is fixed to the outer panel 3b of the front pillar 3 by spot welding. Further, after the work of attaching the U-shaped bracket 7 and the check bracket 6 to the outer panel 3b of the front pillar 3 is completed, the inner panel 3a is joined to the outer panel 3b of the front pillar 3.

By the way, in the case of the above-mentioned conventional structure, when performing the spot welding work of fixing the first joint portion 6b of the check bracket 6 to the outer panel 3b of the front pillar 3 by spot welding, the spot welding operation is performed as shown in FIG. 5 and FIG. Spot gun for spot welding 1 on one side as shown by the phantom line in
0a is inserted inside the U-shaped bracket 7, and the other spot gun 10b is arranged outside the outer panel 3b of the front pillar 3, and the first spot of the check bracket 6 is set by these spot guns 10a and 10b. The joint portion 6b and the outer panel 3b of the front pillar 3 are sandwiched in a pressurized state, and in this state a large current is passed between the spot guns 10a and 10b. However, the inner panel 3 of the front pillar 3
As shown in FIG. 6, an inclined surface is often formed on the side a of which the amount of projection toward the inside of the vehicle increases toward the rear side. Therefore, the spot gun 10a for spot welding is attached to the U-shaped bracket 7. When it is inserted into the inside of the vehicle, there is a problem that the inner panel 3a of the front pillar 3 and the front end of the U-shaped bracket 7 restrict the movement amount of the spot gun 10a toward the vehicle interior. Therefore, the first joint portion 6b of the check bracket 6 and the front pillar 3 are
Since the spot welding position between the outer panel 3b and the outer panel 3b may be biased toward the outside of the vehicle compartment from the normal position, and the number of spot welding points may be reduced, it is difficult to improve the mounting strength of the check bracket 6. It was

(Problems to be Solved by the Invention) In the conventional configuration, when the spot welding spot gun 10a is inserted into the U-shaped bracket 7, the inner panel 3a of the front pillar 3 and the U-shaped The front end portion of the bracket 7 regulates the amount of movement of the spot gun 10a toward the vehicle interior side, and the check bracket 6 has a first position.
Since the spot welding position between the joining portion 6b of the front pillar 3 and the outer panel 3b of the front pillar 3 may be biased to the outside of the vehicle compartment from the normal position, and the number of spot welding points may be reduced, the mounting strength of the check bracket 6 may be reduced. There was a problem that it was difficult to improve.

This invention was made in view of the above problems, and the spot welding position between the first joint portion of the check bracket and the outer panel of the front pillar can be properly arranged at a regular position, and at the same time, spot welding can be performed. An object is to provide a door check bracket mounting structure capable of increasing the number of points and improving the mounting strength of the check bracket.

[Structure of the Invention] (Means for Solving Problems) This invention is a first joint of a holding portion of a check bracket between an outer panel of a doorpost of a vehicle body and a joint flange portion of a lower plate of a U-shaped bracket. It is the one that the section is installed.

(Operation) By arranging the first joint portion of the holding portion of the check bracket between the outer panel of the doorpost of the vehicle body and the joint flange portion of the lower plate of the U-shaped bracket, a spot gun for spot welding is provided. The spot gun is inserted into the lower space of the lower plate of the U-shaped bracket so that the movement of the spot gun toward the vehicle interior side is restricted by the front end portion of the U-shaped bracket or the like.

(Embodiment) An embodiment of the present invention will be described below with reference to FIGS. 1 to 3. In FIGS. 1 to 3, the same parts as those in FIGS. 4 to 7 are designated by the same reference numerals, and the description thereof will be omitted. That is, the invention is directed to the outer panel 3b of the front pillar 3 of the vehicle body 1 and the lower plate 7b of the U-shaped bracket 7.
The first joint portion 6b of the holding portion 6a of the check bracket 6 is provided between the joint flange portion 9 and the joint flange portion 9. In this case, at the time of mounting the check bracket 6, before the inner panel 3a is joined to the outer panel 3b of the front pillar 3, as shown in FIG. 3, the first joint portion 6b and the second joint portion 6b of the holding portion 6a of the check bracket 6 are previously formed. The joint portion 6c of the U-shaped bracket 7 is placed along the joint flange portion 9 and the lower plate 7b of the U-shaped bracket 7, and in this state, the check bracket 6 is attached to the lower plate 7b of the U-shaped bracket 7.
The second joint portion 6c is joined. Then, next, the door check support piece 6d of the check bracket 6 is extended to the outside of the front pillar 3 from the insertion hole formed in the outer panel 3b of the front pillar 3, and in this state, the joint flange portion of the U-shaped bracket 7 is formed. 9. The first joint portion 6b of the check bracket 6 and the outer panel 3b of the front pillar 3 are jointed simultaneously by spot welding, and the joint flange portion 8 of the U-shaped bracket 7 is spot welded, and the outer panel 3 of the front pillar 3 is formed.
After the spot welding work of the U-shaped bracket 7 and the check bracket 6 and the outer panel 3b of the front pillar 3 is completed, the joining work of joining the inner panel 3a to the outer panel 3b of the front pillar 3 is performed. I have to.

Therefore, in the structure described above, the first joint portion 6b of the holding portion 6a of the check bracket 6 is connected to the outer panel 3b of the front pillar 3 of the vehicle body 1 and the joint flange portion 9 of the lower plate 7b of the U-shaped bracket 7. Since the spot gun 10a for spot welding is provided between the U-shaped bracket 7
It can be inserted into the lower space of the lower plate 7b. Therefore, it is possible to eliminate the possibility that the movement of the spot gun 10a toward the vehicle interior side is restricted by the front end portion of the U-shaped bracket 7 and the like as in the conventional case. The spot welding position between the pillar 3 and the outer panel 3b can be correctly arranged at a regular position, the number of spot welding points can be increased, and the mounting strength of the check bracket 6 can be improved. Furthermore, since the joint flange portion 9 of the lower plate 7b of the U-shaped bracket 7, the first joint portion 6b of the check bracket 6 and the outer panel 3b of the front pillar 3 are integrally spot welded together, The mounting strength of the check bracket 6 can be further improved.

The present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.

[Effect of the Invention] According to this invention, the first joint portion of the holding portion of the check bracket is provided between the outer panel of the doorpost of the vehicle body and the joint flange portion of the lower plate of the U-shaped bracket. The spot welding position between the first joint part of the bracket and the outer panel of the front pillar can be properly arranged at the proper position, and the number of spot welding points can be increased, which improves the mounting strength of the check bracket. Can be planned.

[Brief description of drawings]

1 to 3 show an embodiment of the present invention,
FIG. 1 is a longitudinal sectional view of a main part showing a mounting state of a door check bracket, FIG. 2 is a lateral sectional view of the same, and FIG. 3 is a perspective view showing a state where the door check bracket is mounted on a U-shaped bracket. FIG. 4 is a perspective view showing a mounting state of the door check, FIGS. 5 to 7 show a conventional example, and FIG. 5 is a longitudinal sectional view of an essential part showing a mounting state of the door check bracket, FIG. FIG. 7 is a horizontal sectional view of the same, and FIG. 7 is a perspective view showing a state in which a door check bracket is attached to a U-shaped bracket. 1 ... Vehicle body, 3 ... Front pillar, 3a ... Inner panel, 3b ... Outer panel, 6 ... Check bracket, 6a ... Holding part, 6b ... First joint part, 6c ...
Second joint portion, 7 ... U-shaped bracket, 7b ... Lower plate, 9 ... Joint flange portion.

Claims (1)

[Scope of utility model registration request] 1. A U-shaped bracket, which is formed into a substantially U-shape and is formed with an upper plate, a lower plate and a side plate, is arranged between an inner panel and an outer panel of a door pillar of a vehicle body. A state in which a side flange of the U-shaped bracket is arranged to face the inner panel of the door pillar by forming a joint flange portion to be joined to the outer panel of the door pillar at the edge portions of the upper plate and the lower plate of the U-shaped bracket. And a second joint portion that is fixed to the door pillar with a substantially L-shape and is joined to the outer panel of the door pillar and is joined to the lower plate of the U-shaped bracket. And a check bracket having a door check support piece protruding from the holder, and the check bracket is fixed to the U-shaped bracket and the outer panel of the doorpost. In a check bracket mounting structure, a first joint portion of a holding portion of the check bracket is provided between an outer panel of the door pillar and a joint flange portion of a lower plate of the U-shaped bracket. Check bracket mounting structure.