JP2004182065A - Shock absorbing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shock absorbing device having simple structure which is manufactured at low cost, and secures safety for fellow passengers or the like by absorbing and dispersing shock energy due to the collision of a vehicle, and a deformation plate mounted on the shock absorbing device. <P>SOLUTION: The device is equipped with the deformation plate 10 which is formed in an approximately Ω shape by being bent at the fore-and-aft, and bucks and deforms at the time of collision of the vehicle. The constitution is characterized in that the device secures the safety for a driver and the fellow passengers or the like by absorbing and dispersing the shock energy at the time of the collision of the vehicle, and can be provided with a shock absorbing pipes or shock absorbing resin if required. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a shock absorbing device and a deformable plate mounted on the shock absorbing device. More specifically, the present invention relates to a shock absorbing device having a simple structure, which can be manufactured at a low cost, and which absorbs and disperses shock energy at the time of a vehicle collision to provide a driver and a passenger. The present invention relates to a shock absorbing device for ensuring the safety of persons and the like and a deformable plate attached to the shock absorbing device.
[0002]
[Prior art]
Conventional shock absorbers equipped to protect drivers and passengers by suppressing the impact at the time of a vehicle collision include, for example, in the case of a car, the front engine room and the rear trunk room are destroyed in the event of a collision. It is common to absorb shock.
[0003]
In addition, as a shock absorbing device mounted before and after the vehicle, for example, a rigid intermediate spacer between the vehicle frame and the bumper is attached with a fastener, and the energy of the collision vehicle is mainly used for the intermediate spacer. Some that try to absorb by deformation have been proposed.
[0004]
Further, a spring interposed between a vehicle body frame and a bumper, and a spring made of, for example, rubber or foamed plastic resin and using the elastic characteristics of a constituent material itself have been proposed (Patent Document 1).
[0005]
[Patent Document 1]
JP-A-10-129372 (Claim 1, FIGS. 1 to 3)
[0006]
[Problems to be solved by the invention]
However, the conventional general device that destroys the front engine room and the rear trunk room can protect the driver and passengers, but not only the engine part but also the entire vehicle body is destroyed, The entire vehicle that had collided had to be destroyed, which was extremely economical.
[0007]
In addition, conventional elastic members such as springs and shock absorbers utilize the elasticity of the elastic member itself, and thus have insufficient shock absorbing ability and cannot suppress an impact at the time of a vehicle collision. Or, when the vehicle stops due to a collision, the self-restoring property of the elastic body that restores to its original shape by its own elasticity is transmitted to the driver, which may cause a serious secondary disaster. is there.
[0008]
Further, in the shock absorber described in Patent Literature 1, the shock absorbing effect due to the deformation of the front pressure absorbing rubber and the rear vibration absorbing rubber plate, and the repulsion by the front pressure absorbing gap, the compressed air, and the air pressure of the vibration absorbing plate space. When combined with each other, they provide a better shock absorbing effect than conventional bumpers using only shock absorbers, but still have insufficient shock absorption capacity, and cannot protect the driver in the event of a vehicle collision, protecting drivers and passengers There is a problem that can not be.
[0009]
The present invention has been intensively studied in view of the above circumstances, and has as its object the structure is simple and can be manufactured at low cost, and the safety of passengers and the like can be secured by absorbing and dispersing the impact energy due to vehicle collision. An object of the present invention is to provide a shock absorbing device and a modified version mounted on the shock absorbing device.
[0010]
[Means for Solving the Problems]
Means adopted by the present invention to solve the above-mentioned problem is that the invention according to claim 1 comprises a deformed plate which is bent back and forth to form a substantially Ω shape and buckles and deforms at the time of vehicle collision, The gist of the present invention is to provide a shock absorbing device that is characterized by absorbing and dispersing shock energy at the time to ensure the safety of a driver or a passenger.
[0011]
According to a second aspect of the present invention, the gist of the first aspect of the present invention is that the shock absorbing pipe or the shock absorbing resin is mounted on the deformable plate.
[0012]
The invention according to claim 3 is a deformation plate that is buckled and deformed at the time of a vehicle collision to absorb and disperse the impact energy at the time of the vehicle collision and to ensure the safety of a driver, a passenger, and the like. What is bent and formed into a substantially Ω shape is the gist of the invention.
[0013]
According to the shock absorbing device adopting such a configuration, for example, it can be easily installed on the lower end surface of the seat and the like, and since a deformed plate having rigidity formed in a front and rear pipe shape is arranged, at the time of vehicle collision The deformed plate is crushed (buckled and deformed), and at that time, the energy of the collision vehicle can be absorbed and dispersed. That is, the collision impact can be reduced, and the safety of the driver and the passenger can be improved.
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to examples. However, the examples are merely representative examples, and the present invention is limited by the following examples unless departing from the gist thereof. The design can be changed as appropriate.
[0015]
FIG. 1 is a perspective view showing a shock absorbing device 1 of a first embodiment including a deformed plate 10 of the first embodiment, and FIG. 2 is a cross-sectional view of the deformed plate 10 in the front-rear direction. FIG. 3 is a cross-sectional view schematically illustrating a state after the deformation plate 10 has buckled and deformed to absorb the collision energy during a vehicle collision.
[0016]
In this figure, a shock absorbing device 1 has a deformed plate 10 formed in a substantially Ω shape by bending back and forth, and a guide hole 11 formed in an upper portion on both sides. The frame main body 15 is fixed to the frame body 15 with a fastener (for example, a bolt and a nut) through the hole 12, and is fixed to the frame 14 (for example, a bolt and nut) with a fastening hole 13 provided on the ceiling surface of the deformable plate 1. And a guide plate 16.
[0017]
The deformed plate 10 absorbs and disperses the energy of the collision vehicle. The front and rear portions of the steel plate are bent in an S-shape, and horizontally move along the guide hole 12 at the time of a vehicle collision (back-end collision). It comes into contact with the end of the hole 11 to buckle (crush).
[0018]
The overall structure of the deformed plate is a matter whose design can be changed, and may be, for example, a deformed plate 10 ′ (see FIG. 4) bent in a substantially horizontal U-shape.
[0019]
Alternatively, a pipe member 21 may be provided at both ends, and may be fixed to a support plate 24 erected upward from the bottom surface of the frame body 25 (see FIG. 5). One in which the round bar 33 is provided and fixed (see FIG. 6), one in which one or both of the round bars 31 are rolled and weakened (not shown), and the like can be exemplified.
[0020]
Furthermore, the front and rear sides are bent into a U-shape on a support plate 46 erected upward from the bottom surface of the frame body 45 to fix the side surface of the U-shaped portion 41 to deform the U-shaped portion 41. (See FIG. 7), a resin bar 43 is further attached to the U-shaped portion 41 (see FIG. 8), and only the resin bar 43 is provided. It may be configured to be deformed, and furthermore, both the U-shaped portion 41 and the resin bar 43 may be configured to be deformed.
[0021]
The material, dimensions, shape, and the like of the deformed plate and the frame main body are matters that can be appropriately changed in design so as to obtain the most appropriate buffer effect in consideration of the type, speed, weight, and the like of the assumed collision vehicle. .
[0022]
Further, the raw material of the resin bar is not limited, and is preferably made of plastic from the viewpoint of moldability and price, and a thermoplastic resin or a thermosetting resin may be used. Make it not exist. The quantity, size, shape, overall shape and the like are not limited, and the structure can be variously formed such as a hollow loofah structure, and any of these can be arbitrarily designed.
[0023]
Here, it is defined that the “substantially Ω-shaped deformed plate” according to each claim of the present application is a broad term including all the deformed plates shown in FIGS. 1 to 7.
[0024]
Next, FIG. 9 shows the results of measuring the shock absorbing ability of the shock absorbing device 1 with the deformed plate 10 mounted thereon and the shock absorbing device 1 ′ with the deformed plate 10 ′ of FIG. 4 mounted thereon. The straight line (A) in the figure is the result (Example 1) of the shock absorbing storage A using the substantially U-shaped deformed plate 10 ′ having a thickness of 3.2 mm, a width of 28 mm, and a height of 20 mm. The one-point dashed line (B) is the result of shock absorbing storage B using a substantially U-shaped deformed plate 10 ′ having a thickness of 3.2 mm, a width of 25 mm, and a height of 20 mm (Example 2). (C) is a result (Example 3) of shock absorbing storage C using a substantially Ω-shaped deformed plate 10 having a thickness of 2.3 mm, a width of 28 mm, and a height of 20 mm.
[0025]
From FIG. 9, according to the shock absorbing device equipped with the deformed plate of the present invention, the deformed plate buckles and deforms at the time of a vehicle collision, thereby absorbing and dispersing the impact energy at the time of a vehicle collision, and It can be seen that it has a particularly remarkable shock absorbing effect of ensuring safety.
[0026]
Next, FIG. 10 shows the results of measuring the elastic properties at the time of collision.
The straight line in the figure is the control, and the one-dotted dashed line corresponds to the first embodiment, and the dashed line corresponds to the second embodiment.
[0027]
From FIG. 10, according to the shock absorbing device equipped with the deformable plate 10 of the present invention, although it buckles and deforms at the time of a vehicle collision, it does not have a self-restoring property of restoring to its original shape due to its own elasticity at the time of the collision, It can be seen that it has a particularly remarkable shock absorption effect that is not transmitted to the driver and causes a serious secondary disaster.
[0028]
【The invention's effect】
From the above, according to this shock absorbing device, first, the structure is simple and can be manufactured at a low cost, for example, it can be easily mounted on a vehicle frame or the like under a seat, and it is economically advantageous. It is designed to be robust against heavy weight loads from above, so that it does not collapse easily, for example under a seat or when a person sits down.
[0029]
In addition, when a vehicle equipped with the shock absorbing device according to the present invention collides, the absorbing plate moves in the horizontal direction and abuts against the end of the guide hole to resist the movement of the device. The fact that both the S-shaped bent portion and the like are squashed (deformed) is combined with each other to absorb and disperse the collision energy at the time of collision, thereby reducing the impact at the time of collision. Excellent effects can be obtained.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a shock absorbing device of a first embodiment provided with a deformed plate of the first embodiment.
FIG. 2 is a cross-sectional view of the deformed plate of FIG. 1 in the front-rear direction.
FIG. 3 is a cross-sectional view schematically showing a state after the deformation plate buckles and absorbs collision energy during a vehicle collision.
FIG. 4 is a cross-sectional view schematically showing a main part of another absorption plate according to the present invention.
FIG. 5 is a cross-sectional view of a principal part schematically showing another absorbing plate according to the present invention.
FIG. 6 is a cross-sectional view of a main part schematically showing another absorbing plate according to the present invention.
FIG. 7 is a cross-sectional view of a principal part schematically showing another absorbing plate according to the present invention.
FIG. 8 is a cross-sectional view schematically showing a main part of another absorbing plate according to the present invention.
FIG. 9 is actual measurement data showing the results of measuring the shock absorbing ability of the shock absorbing device according to the present invention.
The straight line (A) in the figure is the result of the shock absorbing storage provided with a substantially U-shaped deformed plate having a thickness of 3.2 mm, a width of 28 mm, and a height of 20 mm. It is the result of shock absorption storage provided with a substantially U-shaped deformed plate having a plate thickness of 3.2 mm, a plate width of 25 mm, and a height of 20 mm, and a wavy line (C) in the figure indicates a plate thickness of 2.3 mm, a plate width of 28 mm, It is a result of the shock absorption storage provided with the approximately Ω-shaped deformation plate of 20 mm in height.
FIG. 10 is a result of measuring elastic properties at the time of collision.
The straight line in the figure is the control, and the one-dotted dashed line corresponds to the first embodiment, and the dashed line corresponds to the second embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Shock absorber 1 '... Shock absorber 2 ... Shock absorber 3 ... Shock absorber 4 ... Shock absorber 10 ... Deformed plate 10' ... Deformed plate 11 ... Guide hole 12 ... Fastening hole 13 ... Fastening hole 14 ... Fastening Bracket 15 ... Frame body 16 ... Guide plate 20 ... Deformation plate 21 ... Pipe member 22 ... Pipe member 24 ... Support plate 25 ... Frame body 30 ... Deformation plate 31 ... Ceiling surface 32 ... Bottom surface 33 ... Round bar 35 ... Frame body 40 ... Deformation plate 41 U-shaped portion 43 Resin bar 46 Support plate

Claims (3)

Equipped with a deformable plate that is bent in the front and back to form a substantially Ω shape and buckles and deforms in the event of a vehicle collision, absorbing and dispersing the impact energy during a vehicle collision to ensure the safety of drivers and passengers. And shock absorber. The shock absorbing device according to claim 1, wherein a shock absorbing pipe or a shock absorbing resin is mounted on the deformable plate. A deformation plate that is buckled during a vehicle collision to absorb and disperse the impact energy at the time of a vehicle collision and to ensure the safety of a driver or a passenger,
A deformed plate characterized by being bent back and forth to form a substantially Ω shape.

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