JPH0322044Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a reinforcing member structure for an automobile pillar.

2. Description of the Related Art Seat belts installed in automobiles to protect occupants are usually attached at one end to the center pillar of the vehicle body, and at the other end to, for example, the floor of the vehicle body or a member fixed to the floor of the vehicle body. .

By joining a reinforcing member to which a mounting nut or the like is welded and fixed to the inner surface of the seat belt mounting part provided in the center pillar of the vehicle body, and fixing the seat belt to the reinforcing member, the seat belt can be attached to the seat belt using the reinforcing member. It is common practice to stiffen the mounting portion (see, for example, Japanese Utility Model Application Publication No. 174148/1983).

The problem that the invention aims to solve: The reinforcing material for attaching seat belts to the center pillar is
The vertical walls and flanges ensure strength by ensuring a large cross-sectional area in the direction of the load applied to the seatbelt. Therefore, when wiring the fuel system air breather pipe or the like to the room lamp inside the center pillar, the wiring may get caught on flanges, mounting nuts, etc., making the wiring work difficult, or the hose or There is a risk of damaging the harness.

This invention aims to improve the strength and rigidity of the center pillar by using a reinforcing material bonded to the inner surface of the seat belt attachment part of the center pillar as described above, and also facilitates piping and wiring work, so that hoses and harnesses etc. The purpose is to provide a structure that protects the

Means for Solving the Problems The present invention provides a method for attaching the inner panel and outer panel that make up the pillar in front and behind the seatbelt connecting surface that is joined to the inner surface of the pillar that has a box-shaped cross section and is made up of the inner panel and the outer panel. A seatbelt coupling piece such as an anchor nut is fixed to the seatbelt coupling surface of a reinforcing member having a front flange and a rear flange which are sandwiched between the front and rear joining flanges, and the seatbelt coupling piece is located above and below the seatbelt coupling piece. On the seat belt connection surface,
Two beads with a height exceeding the height of the seat belt connecting piece are formed in the horizontal direction, and the vertical slope of the beads is steep on one side where the seat belt is connected and gentle on the other side. It is characterized by this.

Function: By adopting the above-mentioned configuration, the present invention is able to withstand the compressive load exerted forwardly on the pillar due to the tensile force of the seat belt, while being shared by the two horizontally provided beads on the reinforcing member. The gently sloping surfaces provided on the seatbelt connection side and the opposite side of the two beads in the vertical direction make it easy to arrange piping such as an air breather pipe and wiring such as a wire harness inside the pillar.

Embodiments The present invention will be explained below with reference to embodiments shown in FIGS. 1 to 4.

In the figure, reference numeral 1 denotes a pillar formed into a box-shaped cross section by joining and fixing an inner panel 2 and an outer panel 3, and a reinforcing member 4 is attached to the inner surface of the seat belt attachment portion of the pillar 1.

The reinforcing member 4 is sandwiched between a seatbelt joint surface 4a joined to the inner surface of the inner panel 2 of the pillar 1, and joint flanges 2a, 3a and 2b, 3b in the longitudinal direction of the inner panel 2 and outer panel 3 of the pillar 1, respectively. It has a front flange 4b and a rear flange 4c which are attached to each other.

A seatbelt coupling piece 5 such as an anchor nut is fixed by welding or the like to the back surface of a seatbelt attachment hole 4d provided at approximately the center of the seatbelt coupling surface 4a of the reinforcing member 4. seat belt connecting piece 5
An upper bead 4e and a lower bead 4f extending across the front width of the seat belt coupling surface 4a are formed horizontally and substantially parallel to each other at the upper and lower portions thereof.

Both of the beads 4e and 4f have an inclination on the side of the seatbelt coupling piece 5 in the height direction, that is, in the longitudinal direction of the pillar 1.
The other end side, that is, the upper side of the upper bead 4e and the lower bead 4
The downward slope of f is formed gently, and
The heights of both beads 4e and 4f are approximately the same as or higher than the protruding height of the anchor bolt 7 screwed into the seatbelt coupling piece 5, that is, at least exceed the height of the seatbelt coupling piece 5. configured.

Next, the order of assembling the reinforcing member 4 to the pillar 1 will be explained.

First, the front flange 4b and the rear flange 4c of the reinforcing member 4 are overlaid on predetermined positions of the front and rear joint flanges 2a, 2b of the inner panel 2 of the pillar 1, and are temporarily joined by spot welding.

Next, align the outer panel 3 with the inner panel 2 and connect the front flange 4b and rear flange 4 of the reinforcing member 4.
By sandwiching c between the front and rear joining flanges of the inner panel 2 and the outer panel 3 and spot welding them, the pillar 1 with the reinforcing member 4 built therein is formed.

In this state, the seatbelt coupling surface 4a of the reinforcing member 4 is joined to the inner surface of the inner panel 2, and one end of the seatbelt 6 is attached to the seatbelt coupling piece 5 provided on the seatbelt coupling surface 4a using an anchor bolt 7. They can be connected and fixed by tightening bolts, etc.

As shown in Figure 2, connect piping and wiring 8 to pillar 1.
When installed inside, the piping and wiring 8 are guided along the gently sloped surface of the reinforcing member 4, so not only will they not get caught on the tip of the anchor bolt 7, but the height H of the bead will be Since the protrusion height h of the tip of the anchor bolt 7 into the pillar 1 is equal to or higher than that, it is possible to prevent the two from getting caught.

Effects of the Invention As described above, according to the present invention, the inner panel and the outer panel constituting the pillar are located in front and behind the seatbelt connecting surface that is joined to the inner surface of the pillar with a box-shaped cross section constituted by the inner panel and the outer panel. A seatbelt coupling piece such as an anchor nut is fixed to the seatbelt coupling surface of a reinforcing member having a front flange and a rear flange which are sandwiched between the front and rear joining flanges, and the seatbelt coupling piece is positioned above and below the seatbelt coupling piece. Two beads with a height exceeding the height of the seat belt connecting piece are formed in the horizontal direction on the seat belt connecting surface, and the vertical slope of the bead is made so that one side where the seat belt connects has a steep slope. By configuring the opposite side gently, the reinforcing member that connects the seat belt ends is sandwiched between the front and rear joining flanges of the pillar, and the reinforcing member has a tensile force applied to the seat belt in approximately the same direction. Since two horizontal beads are provided, the pillar can sufficiently withstand the compressive load exerted on the pillar by the tensile force of the seat belt.

In addition, the gently sloped surface provided on the opposite side of the two-bead seatbelt coupling piece in the vertical direction allows the seatbelt coupling piece 5 to be connected to the seatbelt coupling piece 5 when wiring piping such as an air breather pipe or wiring such as a wire harness to the inside of the pillar. This prevents the anchor bolt 7 from getting caught on the tip of the tightened anchor bolt 7, and also prevents damage to piping and wiring, and together with its simple configuration, it can have a great practical effect. .

[Brief explanation of drawings]

Fig. 1 is a side view showing an embodiment of the present invention, Figs. 2 and 3 are enlarged sectional views taken along lines A-A and B-B in Fig. 1, and Fig. 4 is a perspective view of the reinforcing member. It is. DESCRIPTION OF SYMBOLS 1...Pillar, 2...Inner panel, 3...Outer panel, 4...Reinforcing member, 4e...Upper bead, 4f...Lower bead, 5...Seat belt coupling piece, 6...Seat belt, 7... ...Anchor bolt, 8...Piping, wiring.

Claims (1)

[Scope of utility model registration request] A front flange is sandwiched between the front and rear joining flanges of the inner panel and outer panel that make up the pillar, in front and behind the seatbelt connection surface that is joined to the inner surface of the pillar with a box-shaped cross section that is made up of the inner panel and the outer panel. A seatbelt coupling piece such as an anchor nut is fixed to the seatbelt coupling surface of the reinforcing member having a rear flange, and a seatbelt coupling piece such as an anchor nut is attached to the seatbelt coupling surface located above and below the seatbelt coupling piece. An automobile characterized in that two beads each having a height exceeding the height of the seat belt are formed in the horizontal direction, and the vertical slope of the beads is steep on one side where the seat belt is connected and gentle on the other side. Reinforcing member structure for pillars.