JP2004231144A - Shock absorbing body for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shock absorbing body for a vehicle excellent in shock absorbing performance preventing generation of thin-wall part causing deterioration of shock absorbing performance by blow-molding and slippage among a plurality of piled up shock absorbing bodies by constructing each thin shock absorbing body set inside of a vehicle structure member. <P>SOLUTION: The shock absorbing body 1 for a vehicle is set inside of the vehicle structure member and absorbs shock from inside or outside. The shock absorbing body 1 for the vehicle is made of thermoplastic resin shaped as a single body by blow-molding. The shock absorbing body 1 for the vehicle is constructed by piling up a support surface 5 of one shock absorbing body 1a and a contact surface 4 of another shock absorbing body 1b. A connecting piece 11 is provided on a side surface 10 connecting the contact surface 4 and the support surface 5 of one shock absorbing body 1a. A tapping screw 13 is inserted through the connecting piece 11 and the contact surface 4 of another shock absorbing body 1b and one shock absorbing body 1a and another shock absorbing body 1b are connected as a single body. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an interior or other vehicle in which a passenger collides with an inner wall of a vehicle component, for example, a vehicle component such as a door or a body side panel, a roof panel, a pillar, or a bumper. The present invention relates to a vehicle shock absorber for absorbing an external shock such as a collision with a vehicle.
[0002]
[Prior art]
As this type of vehicle shock absorber, thermoplastic resin is blow molded to form a hollow double-walled structure and has a hollow portion, and a concave rib is formed from the front wall and the rear wall, and the tips of the two are joined together Japanese Patent No. 3,313,999 discloses a method for improving the shock absorbing property.
[0003]
[Problems to be solved by the invention]
Since this type of vehicle shock absorber is provided inside a vehicle component such as a door or a body side panel, it is necessary to use a vehicle according to the thickness of the internal portion. When a shock absorber for a vehicle having a large thickness is blow-molded as shown in the official gazette, it is difficult to avoid a portion where the elongation rate of the parison is partially increased and the wall thickness is reduced. It was pointed out that no effect was obtained.
[0004]
Therefore, the present invention provides a plurality of shock absorbers integrally formed by blow molding and having concave ribs, and a contact surface of another shock absorber is superimposed on a support surface of one shock absorber. As a configuration, by integrating a plurality of shock absorbers into a vehicle component, the shock absorber per one of the internal shock absorbers is provided even when the thickness of the vehicle component is large. With a small thickness, blow molding does not create a thin portion that may lead to a reduction in shock absorption, and there is no displacement between multiple stacked shock absorbers. It is an object of the present invention to provide an excellent vehicle shock absorber.
[0005]
[Means for Solving the Problems]
A vehicle shock absorber according to claim 1 of the present invention for achieving the above object is a vehicle shock absorber for absorbing an internal or external shock by being provided inside a vehicle component, The shock absorber is made of a thermoplastic resin integrally formed by blow molding, and a body having a hollow portion and a contact surface and a support surface of the body facing each other are respectively depressed toward the other, so that the body is hollow. A pair of concave ribs are formed by joining the tips of the shock absorbers, and a plurality of such shock absorbers are configured to overlap the contact surface of the other shock absorber on the support surface of one shock absorber, A connecting piece is formed on at least a side surface connecting the contact surface and the support surface of one of the shock absorbers or the other shock absorber, and a connecting surface of the connecting piece and the other shock absorber or one of the shock absorbers is provided. Locking member on body support surface It is characterized in that the connecting one of the shock absorber is inserted into the other of the shock absorber.
[0006]
A shock absorber for a vehicle according to claim 2 of the present invention is a shock absorber for a vehicle for absorbing a shock from inside or outside by being provided inside a vehicle constituent member, wherein the shock absorber is blow molded. It is made of a thermoplastic resin integrally molded by, and a main body having a hollow portion, the contact surface of the main body is depressed toward the opposing support surface direction, and the tip is joined to the support surface, or The support surface is depressed in the direction of the opposing contact surface to form a concave rib in which the tip is joined to the contact surface, and a plurality of such shock absorbers are provided on the support surface of one of the shock absorbers. The contact surface of the other shock absorber is overlapped, and a connection piece is formed on at least one of the side surfaces connecting the contact surface and the support surface of the shock absorber or the other shock absorber. And the contact surface of the other shock absorber or one It is characterized in that for coupling the hammer absorber support surface engaging member is passed through one of the shock absorbers to the other of the shock absorber.
[0007]
Also, in the vehicle shock absorber according to claim 3 of the present invention, in the configuration according to claim 1 or 2, a connecting member provided on one of the shock absorbers or the other shock absorber has a locking member. It is characterized in that a concave portion, a thin film portion or a through hole for insertion is formed.
[0008]
Further, the vehicle shock absorber according to claim 4 of the present invention is the vehicle shock absorber according to claim 1, 2 or 3, wherein the connecting piece provided on one of the shock absorbers or the other shock absorber and the other shock absorber. The locking member connecting the contact surface of the body or the support surface of one of the shock absorbers is a tapping screw.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
1 is an exploded perspective view of a vehicle shock absorber according to an embodiment of the present invention, FIG. 2 is a perspective view showing a part of the same, FIG. 3 is a cross-sectional view of the same part, and FIG. FIG. 5 is a cross-sectional view of the vehicle body, and FIG. 5 is a cross-sectional view showing an embodiment in which the vehicle shock absorber is provided in a vehicle component.
[0010]
1 to 4, reference numeral 1 denotes a vehicle shock absorber. The shock absorber 1 for a vehicle is configured by overlapping one shock absorber 1a with the other shock absorber 1b. One of the shock absorbers 1a is made of a thermoplastic resin integrally formed by blow molding, and has both the contact surface 4 and the support surface 5 of the body 3 having the hollow portion 2 facing each other facing the other. The ribs 6 and 7 have a large number of pairs of concave ribs 6 and 7 formed by being depressed. The distal ends of the concave ribs 6 and 7 are in contact with each other to form a joint 8. The other shock absorber 1b has the same configuration as the one shock absorber 1a except for the shape, and the same components are denoted by the same reference numerals and description of the configuration is omitted.
[0011]
In the vehicle shock absorber 1 according to the present invention, the contact surface 4 of the other shock absorber 1b is superimposed on the support surface 5 of one shock absorber 1a so that the concave ribs 6, 7 form a series. In addition, as shown in FIG. Note that the one shock absorber 1a and the other shock absorber 1b may be arbitrarily overlapped depending on the form of the vehicle component 9.
[0012]
In the vehicle shock absorber 1 according to the present invention, a connecting piece 11 is integrally formed on a side surface 10 connecting the contact surface 4 and the support surface 5 of the other shock absorber 1b constituting the shock absorber 1b. 11 has a through hole 12. The other shock absorber 1b is overlapped so that the contact surface 4 is in contact with the support surface 5 of the one shock absorber 1a, and is engaged with the through hole 12 of the connecting piece 11 of the other shock absorber 1b. , The tapping screw 13 is inserted into the contact surface of one of the shock absorbers 1a, and the tapping screw 13 is raised and fixed. The one shock absorber 1a and the other shock absorber 1b are integrally connected to each other. The shock absorber 1 is configured.
[0013]
The connecting piece 11 provided on one of the shock absorbers may be formed with a concave portion or a thin film portion for inserting the tapping screw 13 in addition to the through hole 12 as described above (not shown). . Further, the locking member may be an appropriate member other than the tapping screw 13.
[0014]
In the vehicle shock absorber 1 according to the present invention, the concave ribs of one of the shock absorbers 1a and the other shock absorber 1b constituting the shock absorber 1 are connected to the abutting surfaces 4 of the main body 3 which are opposed to each other. It may be configured such that the tip is joined to the support surface 5 by being depressed in the direction, or the tip is joined to the contact surface 4 by making the support surface 5 depressed in the direction of the contact surface 4. it can. This configuration is not shown.
[0015]
One shock absorber 1a and the other shock absorber 1b constituting the vehicle shock absorber 1 according to the present invention are made of polyolefin such as polyethylene and polypropylene, styrene resin such as polystyrene and ABS resin, and polyester such as polyethylene terephthalate. It is made of resin with high mechanical strength such as rigidity such as resin and polyamide.
[0016]
【The invention's effect】
According to the present invention, a plurality of shock absorbers integrally formed by blow molding and having concave ribs are formed, and the contact surface of the other shock absorber is superimposed on the support surface of one shock absorber. As a configuration, by integrating a plurality of shock absorbers into a vehicle constituent member, even if the thickness of the vehicle constituent member is large, one of the shock absorbers installed therein can be used. With a small thickness, blow molding does not create a thin portion that may lead to a decrease in shock absorption, and there is no displacement between multiple stacked shock absorbers. An excellent shock absorber for vehicles can be obtained.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a vehicle shock absorber according to one embodiment of the present invention.
FIG. 2 is a perspective view showing a part of the same.
FIG. 3 is a partial cross-sectional view of the same.
FIG. 4 is a cross-sectional view of the vehicle shock absorber.
FIG. 5 is a cross-sectional view showing a mode in which a vehicle shock absorber is provided in a vehicle component.
[Explanation of symbols]
REFERENCE SIGNS LIST 1 vehicle shock absorber 1a one shock absorber 1b the other shock absorber 2 hollow portion 3 main body 4 abutment surface 5 support surface 6,7 concave rib 8 joining portion 9 vehicle constituent member 10 side surface 11 connecting piece 12 through hole 14 Tapping screw

Claims (4)

In a vehicle shock absorber for absorbing internal or external impact by being provided in a vehicle component,
The shock absorber is made of a thermoplastic resin integrally formed by blow molding, and a body having a hollow portion, and a contact surface and a support surface of the body facing each other are depressed toward the other, so that the body is hollow. Forming a pair of concave ribs joining the tips of
A plurality of such shock absorbers, a configuration in which the contact surface of the other shock absorber is overlapped with the support surface of one shock absorber,
A connecting piece is formed on at least a side surface connecting the contact surface and the support surface of one of the shock absorbers or the other shock absorber, and a connecting surface of the connecting piece and the other shock absorber or one of the shock absorbers is provided. A shock absorber for a vehicle, wherein one of the shock absorbers is connected to the other shock absorber by inserting a locking member through a support surface of the body. In a vehicle shock absorber for absorbing internal or external impact by being provided in a vehicle component,
The shock absorber is made of a thermoplastic resin integrally molded by blow molding, and supports a main body having a hollow portion, and a contact surface of the main body is depressed toward a facing support surface to support a distal end portion. Or to form a concave rib in which the tip is joined to the contact surface by recessing the support surface toward the opposite contact surface,
A plurality of such shock absorbers, a configuration in which the contact surface of the other shock absorber is overlapped with the support surface of one shock absorber,
A connecting piece is formed on at least a side surface connecting the contact surface and the support surface of one of the shock absorbers or the other shock absorber, and a connecting surface of the connecting piece and the other shock absorber or one of the shock absorbers is provided. A shock absorber for a vehicle, wherein one of the shock absorbers is connected to the other shock absorber by inserting a locking member through a support surface of the body. 3. The connecting piece provided on one of the shock absorbers or the other shock absorber, wherein a concave portion, a thin film portion or a through hole for inserting a locking member is formed. Shock absorber for vehicles. A locking member for connecting a connecting piece provided on one of the shock absorbers or the other shock absorber to a contact surface of the other shock absorber or a support surface of the one shock absorber is a tapping screw. The shock absorber for a vehicle according to claim 1, 2 or 3, wherein:

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