JP3594145B2 - Center pillar shock absorbing structure - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a shock absorbing structure of a center pillar for protecting a vehicle occupant from a shock at the time of a collision.
[0002]
[Prior art]
Generally, a garnish that guides and covers a seat belt is installed on the center pillar of an automobile.However, in order to protect occupants from the impact energy in the event of a collision, a garnish with an impact absorbing material may be used. is there.
FIG. 9 is a cross-sectional view of a garnish with a shock absorbing material according to a first conventional example. And a shock absorbing material 104.
FIG. 10 is a sectional view of a garnish with a shock absorbing material according to a second conventional example. A garnish 105 with a shock absorbing material forms a garnish 107 attached to a center pillar 106 and a guide path for a seat belt 108 in the garnish 107. And shock absorbers 109 and 110 attached as described above.
[0003]
[Problems to be solved by the invention]
However, in FIG. 9, the shock absorbing member 104 can be attached only to the side of the seat belt 103 in order to secure the sliding portion (guide path) of the seat belt, so that the shock absorbing efficiency is low.
In FIG. 10, the seat belt 108 extending upward from the retractor 111 is inclined inside the garnish 107 toward the indoor side, so that a shock absorbing material 109 is provided inside the seat belt 108 below the garnish 107, and the garnish is provided. In the upper part of 107, it is necessary to provide an impact absorbing material 110 outside the seat belt 108. For this reason, since the two shock absorbers 109 and 110 are provided inside the garnish 107, it becomes difficult to attach the garnish 107.
[0004]
Therefore, an object of the present invention is to provide a technology of a shock absorbing structure of a center pillar, which has a high shock absorbing efficiency and can easily attach a garnish to the center pillar.
[0005]
[Means for Solving the Problems]
In order to solve the above problem, a first aspect of the present invention is to provide a garnish on an inner panel of a center pillar, form a space between the inner panel and the garnish, and extend the space in the space in a vehicle width direction. A shock absorbing member formed by assembling the ribs in a lattice, and a seat belt passage is formed in the shock absorbing member.
As described above, since the shock absorbing member is integrally formed in a state where a plurality of ribs extending in the vehicle width direction are assembled in a lattice, a seat belt passage in a minimum space is easily formed in the shock absorbing member.
[0006]
Claim 2 divides the shock-absorbing member into an upper shock-absorbing member and a lower shock-absorbing member, and the upper shock-absorbing member is attached to the garnish via a hinge so as to be openable and closable. The engaging portion is formed, the seat belt passage is cut out, the lower impact absorbing member is integrally formed with the garnish, and the seat belt passage is formed in the lower impact absorbing member.
Thus, the shock absorbing member is divided into an upper shock absorbing member and a lower shock absorbing member, and the upper shock absorbing member is attached to the garnish via a hinge so as to be freely opened and closed, and the lower shock absorbing member is integrally formed with the garnish. did. Therefore, the shock absorbing member can be easily assembled in the garnish so as to be integrated.
[0007]
According to a third aspect of the present invention, the shock absorbing member is divided into an upper shock absorbing member and a lower shock absorbing member, and the upper shock absorbing member is provided with a locking claw that engages with the inner panel and engages with the garnish. It is characterized in that a stop portion is formed, a seat belt passage is cut out, a lower impact absorbing member is integrally formed with the garnish, and a seat belt passage is formed in the lower impact absorbing member.
In this manner, the garnish in which the lower shock absorbing member is integrally molded with the upper shock absorbing member being divided into the upper shock absorbing member and the lower shock absorbing member and the upper shock absorbing member being locked to the inner panel of the center pillar is provided. Secure to the inner panel. Therefore, by attaching the garnish to the center pillar, the shock absorbing member can be easily assembled in the garnish.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
An embodiment of the present invention will be described below with reference to the accompanying drawings. The drawings should be viewed in the direction of reference numerals.
[0009]
The first embodiment will be described with reference to FIGS.
FIG. 1 is a perspective view of an automobile using a shock absorbing structure of a center pillar according to the present invention. The shock absorbing structure 1 of the center pillar is provided on the inner panel side of a center pillar 2 of the automobile. Reference numeral 3 denotes a seat belt, 4 denotes a side door, 5 denotes a seat cushion, and 5a denotes a seat back.
[0010]
FIG. 2 is a perspective view showing an open state of the upper shock absorbing member according to the first embodiment of the present invention. The center pillar shock absorbing structure 1 includes a garnish 6 attached to the center pillar 2 shown in FIG. The garnish 6 includes a lower shock absorbing member 7 integrally formed below the garnish 6 and an upper shock absorbing member 8 hinged to the upper right edge of the garnish 6 so as to be freely opened and closed.
[0011]
The lower impact absorbing member 7 has a plurality of ribs 7a extending in the vehicle width direction and assembled in a lattice (... indicates a plurality of members; the same applies to the following description). And a seat belt passage 7b.
The upper shock absorbing member 8 includes a plurality of ribs 8a extending in the vehicle width direction and arranged in a lattice, a seatbelt passage 8b notch-formed in the center of the plurality of ribs 8a, and a side opposite to the hinge. And a hook 8c provided. The hook 8c is engaged with a receiving portion 6a formed on the upper left edge of the garnish 6.
[0012]
FIG. 3 is a perspective view showing a state in which the seat belt 3 is held in the first embodiment according to the present invention, and shows a state in which the upper shock absorbing member 8 is closed from FIG. Then, the seat belt 3 is movably fitted into the seat belt passage 7b of the lower shock absorbing member 7 and the seat belt passage 8b of the upper shock absorbing member 8.
[0013]
FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 3. When the upper shock absorbing member 8 is fitted into the opening of the garnish 6, the hook 8c of the upper shock absorbing member 8 is formed at the upper left edge of the garnish 6. To the received receiving portion 6a. Thereby, when the load F acts on the garnish 6, the garnish 6 is prevented from opening in the direction of the arrow. Therefore, the garnish 6 and the upper shock absorbing member 8 have a sense of unity, and the shock absorbing characteristics of the upper shock absorbing member 8 are stabilized.
[0014]
The operation of the first embodiment of the center pillar shock absorbing structure described above will be described below.
FIG. 5 is a cross-sectional view showing a state in which the first embodiment according to the present invention is attached to the center pillar 2. After setting the shock absorbing structure 1 of the center pillar to the state shown in FIG. It is attached to the panel 9 side. The seat belt 3 extending upward from the retractor 10 inclines in the garnish 6, but forms the seat belt passage 7 b of the lower shock absorbing member 7 on the outside and the seat belt passage 8 b of the upper shock absorbing member 8 on the inside. As a result, the seat belt 3 smoothly passes through the seat belt passages 7b and 8b.
[0015]
As is clear from the figure, when a large external force acts on the passenger compartment side from the center pillar 2 side and collides with the occupant, the garnish 6 is deformed and the ribs 7a, 8a. Therefore, the lower impact absorbing member 7 and the upper impact absorbing member 8 can absorb impact energy.
In this case, the shock absorbing structure 1 of the center pillar can efficiently attach the lower shock absorbing member 7 and the upper shock absorbing member 8 to the garnish 6 only by forming the seat belt passage of the minimum space in the garnish 6. Therefore, the occupant can be protected from the impact energy at the time of the collision.
[0016]
A second embodiment will be described with reference to FIGS.
FIG. 6 is an exploded perspective view of a second embodiment of the center pillar shock absorbing structure according to the present invention. The center pillar shock absorbing structure 11 has inner edges 12a, 12a and outer edges 12b, 12b at both edges. Are formed, a garnish 12 attached to the inner panel 9 of the center pillar 2, a lower shock absorbing member 7 integrally formed below the garnish 12 shown in FIG. The garnish 12 includes an upper impact absorbing member 13 that engages with the inner edges 12a.
[0017]
The upper shock absorbing member 13 includes a plurality of ribs 13a extending in the vehicle width direction and arranged in a lattice, a seatbelt passage 13b notch-formed in the center of the plurality of ribs 13a in the vertical direction, and an inner edge 12a of the garnish 12. , 12a to engage with the locking holes 9a of the inner panel 9, and locking claws 13d formed on the back surface to lock into the locking holes 9a.
[0018]
FIG. 7 is a cross-sectional view showing a state in which the second embodiment according to the present invention is attached to a center pillar. A locking claw 13d formed on the back surface of the upper shock absorbing member 13 is attached to the inner panel 9 of the center pillar 2. The upper impact absorbing member 13 was attached to the inner panel 9 of the center pillar 2 by being locked in the locking holes 9a formed in. The garnish 12 was attached to the inner panel 9, and the inner edges 12 a, 12 a of the garnish 12 were engaged in the engagement grooves 13 c, 13 c of the upper shock absorbing member 13.
[0019]
This prevents the garnish 12 from opening in the direction of the arrow when the load F acts on the garnish 12, as in the first embodiment. Therefore, the garnish 12 and the upper shock absorbing member 13 have a sense of unity, and the shock absorbing characteristics of the upper shock absorbing member 13 are stabilized.
[0020]
FIG. 8 is an enlarged view of a main part showing a state in which the second embodiment according to the present invention is attached to the center pillar. The garnish 12 is attached to the inner panel 9 of the center pillar 2 and the upper impact absorbing member 13 is engaged. The inner edge 12a of the garnish 12 is engaged in the groove 13c. In this case, the outer edge 12b of the garnish 12 covers the upper shock absorbing member 13 so that the appearance is not impaired. Reference numeral 18 denotes a door trim.
[0021]
The operation of the above-described center pillar shock absorbing structure according to the second embodiment will now be described.
As is clear from the figure, when a large external force acts on the passenger compartment side from the center pillar 2 side and collides with the occupant, the garnish 12 is deformed and the ribs 7a, 13a. Therefore, impact energy can be absorbed by the lower impact absorbing member 7 and the upper impact absorbing member 13.
In this case, the shock absorbing structure 11 of the center pillar can efficiently attach the lower shock absorbing member 7 and the upper shock absorbing member 13 to the garnish 12 only by forming the seat belt passage of the minimum space in the garnish 12. Therefore, the occupant can be protected from the impact energy at the time of the collision.
[0022]
【The invention's effect】
The present invention has the following effects by the above configuration.
According to the first aspect, since the shock absorbing member is integrally formed in a state where a plurality of ribs extending in the vehicle width direction are assembled in a lattice, a seat belt passage in a minimum space is easily formed in the shock absorbing member.
Therefore, it is possible to efficiently install the shock absorbing member in the garnish, and the shock absorbing efficiency is increased. Also, since the garnish and the shock absorbing member can be easily assembled integrally, the garnish can be easily attached to the center pillar.
[0023]
According to a second aspect, the shock absorbing member is divided into an upper shock absorbing member and a lower shock absorbing member. Molded.
Therefore, the shock absorbing member can be easily assembled in the garnish so as to be integrated, so that the garnish can be easily attached to the center pillar.
[0024]
A garnish in which the lower shock absorbing member is integrally formed in a state where the shock absorbing member is divided into an upper shock absorbing member and a lower shock absorbing member, and the upper shock absorbing member is locked to the inner panel of the center pillar. To the inner panel.
Therefore, by attaching the garnish to the center pillar, the shock absorbing member can be easily assembled in the garnish.
[Brief description of the drawings]
FIG. 1 is a perspective view of an automobile using a shock absorbing structure of a center pillar according to the present invention; FIG. 2 is a perspective view showing an open state of an upper shock absorbing member according to a first embodiment of the present invention; FIG. 4 is a perspective view showing a state in which a seatbelt is supported in the first embodiment of the present invention. FIG. 4 is a cross-sectional view taken along line 4-4 in FIG. 3. FIG. FIG. 6 is an exploded perspective view of a second embodiment of a shock absorbing structure for a center pillar according to the present invention. FIG. 7 is a state in which a second embodiment according to the present invention is attached to a center pillar. FIG. 8 is an enlarged view of a main part showing a state in which a second embodiment according to the present invention is attached to a center pillar. FIG. 9 is a cross-sectional view of a garnish with a shock absorber of a first conventional example. Cross-sectional view of a garnish with a shock absorbing material according to a second conventional example.
1, 11: Shock absorbing structure of center pillar, 2: Center pillar, 6, 12: Garnish, 7a, 13a: Rib, 7: Lower shock absorbing member, 7b, 8b: Seat belt passage, 8, 13: Upper shock absorbing Member, 8c: hook (locking portion), 9: inner panel, 13d: locking claw, 13c: engagement groove (locking portion)

Claims (3)

A garnish is attached to the inner panel of the center pillar, a space is formed between the inner panel and the garnish, and a shock absorbing member formed by lattice-linking a plurality of ribs extending in the vehicle width direction is attached to this space, A center pillar shock absorbing structure in which a seat belt passage is formed in the shock absorbing member. The shock-absorbing member is divided into an upper shock-absorbing member and a lower shock-absorbing member. 2. The impact of the center pillar according to claim 1, wherein the seat belt passage is notched and the lower impact absorbing member is formed integrally with the garnish, and the seat belt passage is formed in the lower impact absorbing member. Absorption structure. The shock absorbing member is divided into an upper shock absorbing member and a lower shock absorbing member, and a locking claw that engages with the inner panel is projected from the upper shock absorbing member and a locking portion that engages with the garnish is formed. 2. A shock absorbing structure for a center pillar according to claim 1, wherein the seat belt passage is cut out, the lower shock absorbing member is formed integrally with the garnish, and the lower belt member is provided with a seat belt passage.

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