JP2003025940A - Internal facing panel structure of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a shock absorbing structure requiring no large space in an internal facing panel structure of a vehicle. SOLUTION: A metallic absorbing member 5 comprises a plurality of surface parts 6 mutually arranged at a prescribed interval, and a bending part 7 connected over the adjacent surface parts 6 while projectingly bending to the opposite side from a surface of the surface parts 6. The absorbing member 5 is installed on the reverse of a panel 1 so that a surface of the surface parts 6 of the absorbing member 5 contacts with the reverse of the synthetic resin panel 1, and the bending part 7 of the absorbing member 5 projects to the side separating from the reverse of the panel 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an interior panel in a passenger car, a minivan with two or three rows of seats, a commercial vehicle such as a truck, a vehicle such as a sightseeing bus, and an industrial vehicle such as a construction machine. Regarding

[0002]

2. Description of the Related Art It is possible that a part of the body of an occupant (eg, knees or shoulders) may hit a panel inside the vehicle during a collision from the front or a side of the vehicle. It is considered to provide a shock absorbing structure to a panel which is expected to hit.

An example of such a shock absorbing structure is disclosed in Japanese Patent Laid-Open No. 2000-38101. In this shock absorbing structure, inside the panel made of synthetic resin (3 in FIG. 1 of the above publication) located outside,
A receiving member (5 in FIG. 1 of the above publication) is arranged at a predetermined interval, and a support member (2 in FIG. 1 of the above publication) is attached to a fixing portion (2 in FIG. 1 of the above publication) arranged inside the panel. 4 out of 1)
There is one in which a rib (6 in FIG. 1 of the above publication) is connected between the panel and the receiving member in a state in which the receiving member is connected via the panel and the receiving member does not move. Some have placed a urethane material between the receiving member). As a result, a part of the occupant's body hits the panel,
When the panel is pushed and begins to dent, the plastic deformation of the ribs and the urethane material absorb the shock.

[0004]

According to the shock absorbing structure described in the prior art, the receiving member is arranged inside the panel located outside at a predetermined interval, and the fixing portion is arranged inside the panel. Since the supporting member is connected to the receiving member and the receiving member, the space inside the panel is limited by the space occupied by the receiving member and the supporting member.

As a result, when various devices, frames, etc. are arranged inside the panel, the arrangement of various devices, frames, etc. may be limited by the space occupied by the above-mentioned receiving member and supporting member. In other words, when arranging various devices and frames inside the panel, it is necessary to change the positions of the panel and the receiving member to the inside of the vehicle in order to secure the space occupied by the receiving member and the supporting member. Occurs. The present invention relates to a vehicle interior panel structure,
The purpose is to obtain a shock absorbing structure that does not occupy a large space.

[0006]

[I] According to the feature of claim 1, when a part of the body of an occupant hits the panel and pushes the panel due to, for example, a frontal collision or a lateral collision of the vehicle. , The whole panel tries to dent into a concave shape. Along with this, while the adjacent surface portions of the absorbing member are pulled apart from each other (or brought close to each other), the bent portion of the absorbing member is bent, and like the panel, the entire absorbing member tries to dent into a concave shape. .

Thus, according to the feature of claim 1, the plastic deformation of the bent portion of the absorbing member absorbs the impact applied to a part of the occupant's body, and the absorbing member has a plurality of surface portions and the bent portion. By being provided, the entire absorbent member is recessed so as to fit into a part of the body of the occupant hitting the panel.

According to the feature of claim 1, the entire absorbing member is attached in contact with the back surface of the panel, and the bent portion of the absorbing member is suppressed to such an extent that it protrudes away from the back surface of the panel. The space occupied by the absorption member does not become large. According to the feature of claim 1, since the absorbing member is directly attached to the back surface of the panel and the absorbing member is supported by the panel, the fixing portion and the absorbing member arranged inside the panel are It is not necessary to connect the support members over the entire length (even if the support member is provided, a small-scale support member is sufficient).

According to the feature of claim 1, since the absorbing member is made of metal, the shape of the bent portion of the absorbing member (for example, the radius of the bent portion of the absorbing member,
By changing the predetermined spacing between the adjacent surface parts of the absorbent member, the length of the bent part of the absorbent member (the length that protrudes from the surface part of the absorbent member, etc.) Since the bending strength of the bent portion of the absorbing member can be arbitrarily set, it is possible to arbitrarily set the absorbing degree of the impact applied to a part of the body of the occupant.

[II] According to the features of claim 2, the "action" described in the above [I] is provided as in the case of claim 1, and in addition to this, the following "action" is provided. ing. According to the feature of claim 2, a weaker portion than the other portion of the panel is formed in a portion of the back surface of the panel facing the bent portion of the absorbing member. Thus, according to the feature of claim 2, as described in the above [I], for example, due to a collision from the front of the vehicle or a collision from the side, a part of the body of the occupant hits the panel and pushes the panel. Then, the fragile part of the panel bends, and the entire panel dents so that it fits into a part of the occupant's body hitting the panel.
In this case, since the fragile portion of the panel is formed on the back surface of the panel and does not appear on the front surface of the panel, the appearance of the panel does not deteriorate.

According to the second aspect of the invention, since the fragile portion of the panel is arranged at the bent portion of the absorbing member, a part of the occupant's body hits the panel and pushes the panel, as described above. When the fragile portion of the panel bends, the bending of the fragile portion of the panel is directly transmitted to the bending portion of the absorbing member, and the bending of the bending portion of the absorbing member is reliably performed.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 2 (a), (b) and 3 show a panel 1 of a passenger vehicle located in front of and below a driver's seat and a passenger's seat (in front of a passenger's knee sitting in the driver's seat and the passenger's seat).
It shows the vicinity of. The panel 1 is made of synthetic resin and integrally molded, and a plurality of groove portions 2 are formed on the back surface of the panel 1 so as to draw a lattice vertically and horizontally. On the back surface of the panel 1, a large number of convex portions 3 and 4 are integrally formed in a lattice-shaped portion surrounded by the groove portion 2, an outer portion, and the like.

As shown in FIGS. 2 (a) and 3, the absorbing member 5 is constructed by pressing a thin metal plate made of metal. In the absorbing member 5, the rectangular surface portions 6 are arranged side by side in the front, rear, left, and right at a predetermined interval A in a front view, and are arranged on the opposite side from the surface of the surface portion 6 (see FIG. 2).
The bent portion 7 connected across the adjacent surface portions 6 while bending so as to project to the left side of the paper of (a)
Is provided. On the outer side of the outermost bent portion 7,
A flat plate-shaped flange portion 8 is provided. Each surface 6
And a small rectangular opening 6a, 8a in the flange portion 8.
Are formed.

With the above structure, as shown in FIGS. 2B and 3, the convex portions 3 and 4 of the panel 1 are inserted into the surface portion 6 of the absorbing member 5 and the openings 6a and 8a of the flange portion 8 to absorb them. The absorbing member 5 is attached to the back surface of the panel 1 by bringing the surface portion 6 and the flange portion 8 of the member 5 into contact with the back surface of the panel 1 and heating and crushing the convex portions 3 and 4 of the panel 1. In this state, the bent portion 7 of the absorbent member 5 faces the groove portion 2 of the panel 1, and the bent portion 7 of the absorbent member 5 is separated from the back surface of the panel 1 (to the left of the paper surface of FIG. 2B). It will be in a protruding state.

As a result, as shown in FIGS. 1A and 1B, for example, when the occupant moves forward due to a collision from the front of the vehicle, the knees of the occupant hit the panel 1 and push the panel 1, the groove portion of the panel 1 is pushed. Each of the two bends, and the entire panel 1 tries to dent into a concave shape. Along with this, while the adjacent surface portions 6 of the absorbing member 5 are separated from each other (or brought close to each other), the bent portion 7 of the absorbing member 5 is
Is bent, and like the panel 1, the entire absorbent member 5 tries to dent into a concave shape.

In this case, the plastic deformation of the bent portion 7 of the absorbing member 5 and the plastic deformation of the groove portion 2 of the panel 1 absorb the impact applied to the knees of the occupant, so that the panel conforms to the shape of the occupant's knees. 1 and the entire absorbent member 5 are recessed in a concave shape. Since each of the convex portions 3 of the panel 1 is connected to each of the surface portions 6 of the absorbing member 5, even if the groove portion 2 of the panel 1 is broken and a part of the panel 1 is scattered, the surface portion 6 of the absorbing member 5 is broken. With the connection to, the scattering of a part of the broken panel 1 is prevented.

[First Alternative Embodiment of the Invention] In the bent portion 7 of the absorbent member 5 in the above-mentioned [Embodiment of the Invention], a portion between the four surface portions 6 of the absorbent member 5 as shown in FIG. Alternatively, a small round hole 9 may be opened. Therefore, it is considered that the round hole 9 facilitates bending of the bent portion 7 of the absorbing member 5.

[Second Embodiment of the Invention] In the above-mentioned [Embodiment of the Invention] and [First Embodiment of the Invention], the surface portion 6 of the absorbent member 5 is not rectangular, but FIG.
As shown in (a), it may be formed in a triangular shape, or as shown in FIG.
It may be formed in a hexagonal shape as shown in FIG.

[Third Embodiment of the Invention] In the above-mentioned [Embodiment of the Invention], [First Embodiment of the Invention], and [Second Embodiment of the Invention], the projection of panel 1 The opening 6a of the portion 3 and the surface portion 6 of the absorbing member 5 is eliminated, and the absorbing member 5 is attached to the back surface of the panel 1 by the convex portion 4 of the panel 1 and the opening 8a of the flange portion 8 of the absorbing member 5. Good.

In the above-mentioned [embodiment of the invention] and [first alternative embodiment of the invention] to [third alternative embodiment of the invention], the convex portions 3 and 4 of the panel 1 are eliminated and the absorbing member is omitted. 5, the openings 6a, 8a of the surface portion 6 and the flange portion 8 are abolished, and the surface portion 6 and the flange portion 8 of the absorbing member 5 are bonded to the back surface of the panel 1 by an adhesive, or only the flange portion 8 of the absorbing member 5 is attached. It may be configured to be adhered to the back surface of the panel 1. Further, the absorbent member 5 may be configured such that the predetermined distance A near the center is set large and the predetermined distance A on the side near the flange portion 8 is set small.

According to the present invention, not only the panel 1 located below the front of the driver's seat and the passenger's seat (in front of the occupant's knees sitting in the driver's seat and the passenger's seat) but also the upper surface of the instrument panel, the B pillar, and It can also be applied to a panel (not shown) or the like arranged inside the C-pillar.

[0022]

According to the features of the first aspect, in the vehicle interior panel structure, the absorbing member for absorbing the impact is directly attached to the rear surface of the panel, thereby occupying for the arrangement of the absorbing member. The space does not become large, and it is no longer necessary to connect the support member across the fixing portion arranged inside the panel and the absorbing member (even if the support member is provided, a small-scale support member is sufficient. ). Thus, according to the feature of claim 1, various devices, frames, and the like can be arranged inside the panel without being particularly restricted by the absorbing member.
A configuration with a high degree of freedom can be obtained. Further, since it is not necessary to change the positions of the panel and the absorbing member to the inside of the vehicle, it is also advantageous in terms of securing the vehicle interior space.

According to the feature of claim 1, the absorbent member is provided with the plurality of surface portions and the bent portions, and the entire absorbent member is recessed so as to fit into the part of the body of the occupant that hits the panel. , It is advantageous in that it absorbs the impact applied to a part of the occupant's body.

According to the feature of claim 1, the bending strength of the bent portion of the absorbing member can be set arbitrarily by changing the shape of the bent portion of the absorbing member,
Since it is possible to arbitrarily set the degree of absorption of the impact applied to a part of the body of the occupant, it is possible to easily configure the panel to accommodate different positions of the panel and various vehicles.

According to the feature of claim 2, as in the case of claim 1, the "effect of the invention" of the above-mentioned claim 1 is provided. In addition to the "effect of the invention", the following "invention" is provided. It has the effect of. According to the feature of claim 2, in addition to the absorbing member, the entire panel also becomes concave so as to fit into a part of the body of the occupant hitting the panel, so that the impact applied to a part of the body of the occupant is reduced. It is advantageous in terms of absorption. In this case, the fragile portion of the panel does not appear on the surface of the panel, which is also advantageous in terms of ensuring the appearance of the panel.

According to the feature of claim 2, when a part of the occupant's body hits the panel and pushes the panel, and the fragile portion of the panel bends, the bend of the fragile portion of the panel is almost directly to the bend portion of the absorbing member. As a result, the bending of the bent portion of the absorbing member is surely performed, so that the absorbing member can surely absorb the impact and absorb the impact applied to a part of the occupant's body. It will be advantageous.

[Brief description of drawings]

FIG. 1 is a side view showing a state in which an occupant moves forward due to a collision from the front of a vehicle and the occupant's knee hits a panel.

FIG. 2 is a vertical sectional side view of a panel and an absorbing member.

FIG. 3 is a perspective view of a panel and an absorbing member.

FIG. 4 is a front view of an absorbent member according to a first alternative embodiment of the invention.

FIG. 5 is a front view of a surface portion of an absorbent member according to a second alternative embodiment of the invention.

[Explanation of symbols]

1 panel 2 fragile part 5 absorbing member 6 faces 7 bends A predetermined interval

Claims (2)

[Claims] 1. A plurality of surface portions arranged at a predetermined interval from each other, and a bent portion that is bent so as to project from the surface of the surface portion to the opposite side and is connected across the adjacent surface portions. , Constituting a metal absorption member, the surface of the surface portion of the absorption member contacts the back surface of the synthetic resin panel, so that the bent portion of the absorption member protrudes away from the back surface of the panel, A vehicle interior panel structure in which the absorbing member is attached to the back surface of the panel. 2. The vehicle interior panel structure according to claim 1, wherein a weakened portion weaker than other portions of the panel is formed in a portion of the back surface of the panel facing the bent portion of the absorbing member. .