JP2000081086A - Shock absorber and vehicle using it - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively mitigate impact force from a movable body such as a vehicle or a conveyance body to connected objects connected to the movable body such as a seated person or luggage with a shock absorber, and to quickly restore the relative position of the movable body and the connected objects to its original state when the shock absorber is released from the impact force afterwards. SOLUTION: First and second members 19 and 20 are provided facing each other in a direction A. A super absorbable elastic body 21 and a common elastic body 22 elastically deformable in the direction A are provided between the first and second members 19 and 20. The super absorbable elastic body 21 and the common elastic body 22 are arranged side by side in a direction perpendicular to the direction A. At least one of the super absorbable elastic body 21 or the common elastic body 22 is fixed to the first and second members 19 and 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a buffer for reducing an impact force applied from a movable body such as a vehicle or a carrier to a linked object such as a seated person or a load linked to the movable body. The present invention relates to an apparatus and a vehicle using the same.

[0002]

2. Description of the Related Art Conventionally, a vehicle using the above-mentioned shock absorber is disclosed in Japanese Patent Application Laid-Open No. 2-286481.

According to the above publication, a motorcycle, which is a kind of vehicle, has a seat supported by the vehicle body. The seat includes a seat base that constitutes a lower portion thereof and is supported by the vehicle body, and an elastic pad that constitutes the interior of the seat and is supported on an upper surface side of the seat base.

[0004] A buffer device is provided on the seat.
This shock absorbing device includes a superabsorbent elastic body disposed inside the pad, and the superabsorbent elastic body is a viscous body having soft elasticity and a large viscosity coefficient.

[0005] For this reason, when an upward impact force is applied to the occupant sitting on the seat from the vehicle body side while the motorcycle is running, the energy based on the impact force is reduced by the superabsorbent energy. It is absorbed and attenuated very effectively by the elastic deformation of the elastic body. Therefore, the impact force applied to the seated person to the seat is more reliably reduced, and the seated person is prevented from being vibrated based on the impact force.

Further, unevenness on the road surface and vibrations on the vehicle body side caused by the engine for driving the vehicle are transmitted to the seated occupant.
It is absorbed and attenuated by the superabsorbent elastic body, which also prevents the occupant from being vibrated.

[0007]

However, the above-mentioned conventional technology has the following problems.

That is, as described above, when an impact force is applied to the occupant from the vehicle body toward the seat,
Since the superabsorbent elastic body is soft, the elastic body is first elastically deformed so as to largely contract in the vertical direction by the impact force, and the impact force is effectively reduced. Also, after this,
As the superabsorbent elastic body is released from the impact force, it tends to restore its original shape by its elastic force.

However, as described above, since the viscosity of the super-absorbent elastic body is large, it takes time to restore to the original shape, so that the occupant is in a state of sinking below a normal riding position. The motorcycle may be left unattended for a long period of time, which may lead to a decrease in the ride comfort of the motorcycle, such as loss of the normal sense of unity with the motorcycle.

On the other hand, the situation is the same as described above when a load is placed on a carrier such as a truck or a conveyer via the above-mentioned shock absorbing device. When the posture of the luggage becomes unnatural, the cushioning device relaxes the impact force and takes time to restore to the original shape, so the luggage remains unnatural for a long time. Therefore, there is a possibility that workability with respect to the luggage is reduced, for example, such that smooth subsequent handling of the luggage is hindered.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and is provided from a movable body such as a vehicle or a carrier to a linked object such as a seated person or a load linked to the movable body. The shock force to be imposed is effectively alleviated by the shock absorber, and when the shock absorber is released from the shock force after this damping, the relative position between the movable body and the linked object is changed. It is an object to quickly restore the original state.

Further, when an impact force is applied to the occupant from the vehicle body side toward the seat, the impact force is effectively reduced and a sense of unity with the vehicle is improved. It is an object of the present invention to maintain a comfortable ride on the vehicle.

[0013]

The shock absorbing device of the present invention for solving the above problems and a vehicle using the same are as follows.

According to the first aspect of the present invention, as shown in FIGS. 1 to 11, first and second members 19 and 20 facing each other in a certain direction A are provided, and the first and second members 19 and 20 are provided. A superabsorbent elastic body 21 and a general elastic body 22 that can be elastically deformed in the one direction A are provided between them, and these superabsorbent elastic bodies 21 and the general elastic body 22 are orthogonal to the one direction A. And at least one of the superabsorbent elastic body 21 and the general elastic body 22 is fixed to the first and second members 19 and 20.

According to a second aspect of the present invention, as shown in FIGS. 1 to 9, in addition to the first aspect of the present invention, the general elastic body 22 has a ring shape when viewed from a line of sight along the one direction A. The superabsorbent elastic body 21 is provided in the inner space 27 of the general elastic body 22.
Is arranged.

According to a third aspect of the present invention, as shown in FIGS. 10 and 11, in addition to the first aspect, the superabsorbent elastic body 21 is disposed outside a general elastic body 22.

According to a fourth aspect of the present invention, as shown in FIGS. 1 to 11, the one-way direction A is substantially a vertical direction.
7 is disposed inside the seat 5 for sitting.

[0018]

Embodiments of the present invention will be described below with reference to the drawings.

(First Embodiment)

FIGS. 1 to 6 show a first embodiment.

2 to 4, reference numeral 1 denotes a movable body, more specifically, a motorcycle which is a kind of a vehicle 2 and is a straddle-type vehicle. The arrow Fr in the drawing indicates the front of the vehicle 2.

The vehicle 2 includes a vehicle body 3 which is a base of the vehicle.
A wheel 4 supported by the vehicle body 3 and supporting the vehicle body 3 on a traveling road surface; and a seat 5 supported by the vehicle body 3
, A fuel tank 6, and an engine (not shown) for driving the wheels 4.

An object 7 to be linked is linked to the seat 5, that is, a seat 8, which is the object 7, can be seated on the seat 5. In this case, the front portion of the seat 5 is a main seat 9 on which a seated person 8 as a driver is seated, and the rear portion is a tandem seat 10 on which another seated person as a passenger is seated. The tandem sheet 10 is integrally formed.

The seat 5 comprises a rigid seat base 12 constituting a lower part thereof and supported on the upper surface of the vehicle body 3 and a seat pan constituting the inside of the seat 5. Elastic pad 13 supported on the upper surface
And an elastic and flexible skin 14 that constitutes the outer shell of the sheet 5 and covers the pad 13 from above. The seat base 12 is made of resin or sheet metal, and the pad 13 is made of urethane foam made of a porous resin.
Reference numeral 4 denotes a sheet made of a resin such as vinyl chloride or an olefin elastomer. The pad 13 is elastically deformed to improve sitting comfort on the seat 5, and the skin 14 protects and waterproofs the internal pad 13 and a cushioning device 17 described below, and expands by applying a preload to the cushioning device 17. To maintain the sheet 5 in a predetermined shape.

1 to 6, a plurality of (four) spaces 16 are formed in the pads 13 of the main sheet 9 opening downward and forward and backward and left and right. Are respectively provided with shock absorbers 17. Each of the shock absorbers 17 reduces the impact force and the vibration to be given from the vehicle 2 to the occupant 8 (driver) of the object 7 to be linked (seated) to the vehicle 2. Note that each of the shock absorbers 17 may be applied to the tandem seat 10, and two of the four shock absorbers 17 on the front side are used for the main sheet 9,
The rear two may be used for the tandem seat 10.

The linking means not only that the seat 5 of the vehicle 2 that is the movable body 1 is seated by the seated person 8 that is the linked object 7 as described above, but also that the movable body 1 is This means that the linked object 7 is placed or connected, or that one of the movable body 1 and the linked object 7 supports the other.

Each of the shock absorbers 17 is provided in one direction A,
That is, the first and second members 19 and 20 each having a flat disk shape that are separated from each other in a substantially vertical direction and face each other (facing each other), and the super-absorbent elastic body 21 is provided between the first and second members 19 and 20. And a general elastic body 22.

The superabsorbent elastic body 21 has a shape that can be formed easily and inexpensively by extrusion molding, casting molding, injection molding, or the like. That is, its axis 24 is substantially linear in the vertical direction. It has a cylindrical shape that extends, and is made by mixing resin microballoons into an ultra-soft urethane elastomer that is a matrix resin, has a small spring constant (elastic coefficient), has soft elasticity, and has a large viscosity coefficient It is a viscous body.

As shown in FIG. 6, the loss coefficient of the superabsorbent elastic body 21 is increased as the content of the resin microballoons is increased. The absorption amount is increased, that is, the effect of reducing the impact force and the vibration is enhanced. Note that the super-absorbent elastic body 21 does not have to include microballoons.

The general elastic body 22 is constituted by a coil-shaped metal spring 26 whose axis 25 extends linearly in a substantially vertical direction which is the one direction A, and the spring 26 faces the one direction A. Elastically deformable. The general elastic body 22 has a large spring constant (elastic coefficient) and hard elasticity as compared with the pad 13 and the superabsorbent elastic body 21, but does not have viscosity.

Here, the cushioning device 1 having the general elastic body 22 and the superabsorbent elastic body 21 in the space 16 is provided.
7, the spring constant of the seat 5 with respect to the load of the object 7 is increased as compared with the case where the entire space 16 is filled with the super-absorbent elastic body 21.
Compared to the case where the entire space 16 described below is filled with the pad 13, the effect of absorbing shock and vibration due to viscosity is higher. Note that the spring constant of the seat 5 on which the shock absorber 17 is mounted is preferably smaller than the case where the space 16 is entirely filled with the pad 13. Good.

The superabsorbent elastic body 21 and the general elastic body 22
Are arranged side by side in a substantially horizontal direction orthogonal to the one direction A. More specifically, when viewed from the line of sight along the one direction A, that is, in a plan view of the vehicle body 3, the general elastic body 22 has a circular ring shape. A super-absorbent elastic body 21 is provided. In this case, the axes 24 and 25 of the super-absorbent elastic body 21 and the general elastic body 22 are located substantially coaxially with each other.

The superabsorbent elastic body 21 in the one direction A
Are fixed to the first and second members 19 and 20 by an adhesive, respectively. Further, each end of the general elastic body 22 in the one direction A is also the first and second members 19 and 2.
0 are respectively fixed by fixing members 28. The fixing tool 28 is constituted by a cut and raised piece formed by cutting and raising a part of the first and second members 19 and 20, and the cut and raised piece is pressed against each end of the spring 26. Each end is fixed as described above.

The fixing of each end of the superabsorbent elastic body 21 to the first and second members 19 and 20 and the fixing of each end of the general elastic body 22 may be only one of them.

According to the above configuration, the first and second members 19 and 20 facing each other in one direction A are provided, and the super-absorbent elastic body 21 is provided between the first and second members 19 and 20.
A general elastic body 22 elastically deformable in the one direction A is provided, and the superabsorbent elastic body 21 and the general elastic body 22 are arranged side by side in a direction orthogonal to the one direction A. At least one of the absorbent elastic body 21 and the general elastic body 22 is fixed to the first and second members 19 and 20.

Therefore, when an impact force is applied to the shock absorber 17 in the one direction A from the vehicle body 3 while the vehicle 2 as the movable body 1 is running, the shock absorber 17
The elastic bodies 21 and 22 are elastically deformed so as to contract together to relieve the impact force. In particular, the superabsorbent elastic body 21 is a viscous body having a soft elasticity and a large viscosity coefficient. For this reason, the energy based on the impact force is extremely effectively absorbed by the elastic deformation of the superabsorbent elastic body 21 and the conversion to the heat energy.

Therefore, from the vehicle 2, the vehicle 2
The shock force to be applied to the seated person 8 which is the object 7 to be seated on the seat 5 is effectively reduced by the shock absorbing device 17 and the seated person 8 is vibrated based on the shock force. This is also prevented.

When the shock absorbing device 17 is released from the impact force after the shock force is relieved by the shock absorbing device 17, the superabsorbent elastic body 21 alone restores to its original shape. Takes a long time due to its nature, but the elastic force pulls the superabsorbent elastic body 21 in the one direction A due to the elastic force of the general elastic body 22 immediately trying to restore its original shape. Also, at the time of this restoration, the superabsorbent elastic body 2
1 is heated and radiated by internal friction due to its viscosity, and the linked object 7 is prevented from jumping up. Note that the general elastic body 22 may be one that restores the superabsorbent elastic body 21 alone without tension.

Therefore, when the shock absorber 17 is released from the shock force after the shock force is relaxed as described above, the shock absorber 17 is quickly restored to the original shape, and the movable body 1 A certain vehicle 2 and a seated person 8 which is a linked object 7
Is quickly restored to the original state.

That is, when the shock absorbing device 17 is elastically deformed to contract in the one direction A by receiving the impact force, the occupant 8 of the seat 5 sinks below the normal riding position. However, the quick restoration of the shock absorber 17 prevents the sinking state from being left for a long time in the sunk state, and quickly returns to the original riding posture.

Therefore, the occupant 8 can maintain a good sense of unity with the vehicle 2, and can maintain a comfortable ride on the vehicle 2.

The shock absorber 17 not only reduces the impact force but also transmits the vibration from the vehicle body 3 vibrated by the engine to the linked object 7 from the unevenness of the road surface or the engine. The vibration is effectively prevented by the vibrating action of the viscosity of 21.

Since the first and second members 19 and 20, the super-absorbent elastic body 21, and the general elastic body 22 are fixed to each other, the buffer device 17 can be handled as one block.

Therefore, the work of transporting the buffer device 17 and assembling it to the sheet 5 can be easily performed.
The workability in the case where the shock force is reduced by using the shock absorber 17 is improved.

Also, when viewed from the line of sight along the one direction A,
The general elastic body 22 is formed in a ring shape.
The superabsorbent elastic body 21 is disposed in the inner space 27 of the above.

For this reason, the inner space 27 of the spring 26 of the general elastic body 22 is effectively used, and the cushioning device 17 is correspondingly compact.

Therefore, also in this respect, the handling of the buffer device 17 becomes easy, and the workability when the impact force is reduced by using the buffer device 17 is further improved.

In the above case, each end of the spring 26 in the inner space 27 is fixed to the first and second members 1 by the fixing member 28.
The superabsorbent elastic body 21 is thereby surrounded by the first and second members 19 and 20 and the spring 26. Therefore, since the superabsorbent elastic body 21 is prevented from dropping out of the spring 26, the superabsorbent elastic body 21 does not need to be fixed to the first and second members 19 and 20. For this reason, the molding of the buffer device 17 is facilitated.

Further, the superabsorbent elastic body 21 and the general elastic body 2
2 are located on substantially the same axis 24, 25, so that the impact force to the shock absorber 17 is prevented from being biased to either the superabsorbent elastic body 21 or the general elastic body 22. At the same time, since the reaction forces of these 21 and 22 are also located on substantially the same axis 24 and 25, the above-described impact force can be alleviated and the buffer device 17 can be restored effectively and quickly.

Although the above description is based on the illustrated example, the vehicle 2
May be a small saddle-ride type boat. The general elastic body 22 may be made of urethane rubber (urethane foam) having a cylindrical shape or the like. Further, the buffer device 17 may be provided at a position opposing the buttocks of the occupant 8 with respect to the seat 5 in the up-down direction, only one pair of right and left or only one.

Further, the movable body 1 may be a carrier such as a truck or a conveyor, and the linked object 7 may be a load placed on the movable body 1 via the buffering device 17. After the shock absorbing device 17 reduces the impact force, the original shape is quickly restored.

Therefore, even if the posture of the load becomes unnatural due to the shock absorbing device 17 contracting when the impact force is reduced, the load quickly returns to the original natural posture together with the quick restoration of the shock absorbing device 17. And the workability such as subsequent handling of the luggage is kept good.

The super-absorbent elastic body 21 may have a cylindrical shape such as a circular cross section. The general elastic body 22 may be composed of a plurality of coil springs having small diameters. 21 may be arranged in the circumferential direction.

The following figures show the second to sixth embodiments. Each of these embodiments has many points in common with the first embodiment in configuration and operation. Therefore, these common components are denoted by the same reference numerals in the drawings, and redundant description thereof will be omitted, and different points will be mainly described.

The vehicle 2 in the first embodiment
Alternatively, various configurations of the components of the above-described embodiments may be combined, such as using the buffer device 17 of the second embodiment or later.

(Second Embodiment)

FIG. 7 shows a second embodiment.

According to this, as shown by the chain line in the figure, the free length of the superabsorbent elastic body 21 in the axial direction is L1, and the free length of the general elastic body 22 in the axial direction of the spring 26 is L2. And L1 <L2.

For this reason, as shown by the solid line in the drawing, the respective ends of the superabsorbent elastic body 21 and the general elastic body 22 are fixed to the first and second members 19 and 20 to form the shock absorber 17. Then, an initial tensile load is applied to the super-absorbent elastic body 21 by the elastic force of the general elastic body 22, so that the middle part in the axial direction is thinned to have a drum shape.

Therefore, when the shock absorbing device 17 is contracted by applying an impact force, the outer diameter of the superabsorbent elastic body 21 in the axial middle portion is prevented from being excessively large, and the superabsorbent material 21 is prevented from becoming excessively large. The elastic body 21 and the general elastic body 22 are prevented from buffering each other, and the superabsorbent elastic body 21 is prevented from being damaged by contact with the general elastic body 22.

Therefore, even if the radial gap between the superabsorbent elastic body 21 and the general elastic body 22 is made smaller in the initial state of the shock absorber 17, the above-described breakage can be prevented. The buffer device 1 is reduced by the amount of the reduced gap.
7 can be made compact.

Note that, assuming that L1 ≒ L2, the superabsorbent elastic body 21 and the general elastic body 22 may each have the substantially free-form shape of the above-described drum shape, and the same effect as above can be obtained.

(Third Embodiment)

FIG. 8 shows a third embodiment.

According to this, contrary to the second embodiment, L1> L2.

Therefore, when the shock absorber 17 is formed by fixing at least each end of the general elastic body 22 to the first and second members 19 and 20, the elastic force of the general elastic body 22 causes When an initial compressive load is applied to the elastic body 21, the middle part in the axial direction is thickened, and the elastic body 21 has a drum shape.

Here, if it is assumed that L1２L2 and the general elastic body 22 has expanded beyond L2 immediately after the impact force is applied to the shock absorber 17, the superabsorbent elastic body 21 There is a possibility that the first member 19 will be separated.
Then, when this occurs, immediately after that, the energy absorbing effect based on the impact force by the superabsorbent elastic body 21 cannot be obtained.

Therefore, L1> L2 is set as described above, whereby each end of the superabsorbent elastic body 21 is always joined to the first and second members 19 and 20 in a press-contact manner. Therefore, the above-described damping effect is always obtained.

The superabsorbent elastic body 21 often contains a large amount of a plasticizer, and it is difficult to obtain a strong adhesive force by the adhesive due to the characteristics of the plasticizer.

However, as described above, in the initial state of the shock absorber 17, the superabsorbent elastic body 21 is given a compressive force and is pressed against the first and second members 19, 20. Even if the adhesive force of each end of the superabsorbent elastic body 21 to the first and second members 19 and 20 by the adhesive is weak, it can be securely bonded.

(Fourth Embodiment)

FIG. 9 shows a fourth embodiment.

According to this, the above-mentioned general elastic body 22 is formed in a drum shape by thickening the middle part in the axial direction.

For this reason, as shown by a two-dot chain line in the figure, when the shock absorber 17 is contracted by applying an impact force, the outer diameter of the superabsorbent elastic body 21 in the axial middle part is large. Thus, the superabsorbent elastic body 21 and the general elastic body 22 are prevented from interfering with each other, thereby preventing the superabsorbent elastic body 21 from being damaged.

(Fifth Embodiment)

FIG. 10 shows a fifth embodiment.

According to this, the superabsorbent elastic body 21 has a cylindrical shape having a circular cross section, and the general elastic body 22 is disposed in an inner space 31 of the superabsorbent elastic body 21. For this reason, the inner space 31 is effectively used, and the shock absorber 17 is correspondingly compact.

(Sixth Embodiment)

FIG. 11 shows a sixth embodiment.

According to this, the super-absorbent elastic body 21 is disposed outside the general elastic body 22, and a slight gap 32 is provided between them. The gap 32 is formed between the superabsorbent elastic body 2 when the shock absorber 17 is given an impact force.
1 to absorb the elastic deformation.

According to the above configuration, the superabsorbent elastic body 2
1 and the general elastic body 22 can be easily prevented from interfering with each other, so that their shapes can be freely determined, and the degree of freedom in design is improved.

[0082]

The effects of the present invention are as follows.

The shock absorber according to the first aspect of the present invention is provided with first and second members opposed to each other in a certain direction.
A superabsorbent elastic body and a general elastic body elastically deformable in the one direction are provided between the second members, and the superabsorbent elastic body and the general elastic body are moved in a direction orthogonal to the one direction. At least one of the super-absorbent elastic body and the general elastic body is fixed to the first and second members.

Therefore, when an impact force is applied to the shock absorber in the one direction, the respective elastic bodies of the shock absorber are elastically deformed so as to contract together to relieve the shock force. Since the superabsorbent elastic body has soft elasticity and is a viscous body having a large viscosity coefficient,
The energy based on the impact force is extremely effectively absorbed by the elastic deformation of the superabsorbent elastic body.

Therefore, when a linked object such as a occupant or luggage is linked to a movable body such as a vehicle or a transport body via the buffering device, an impact applied to the linked object from the movable body is considered. The force is effectively reduced by the shock absorber, and the linked object is prevented from being vibrated based on the impact force.

When the shock absorbing device is released from the impact force after the shock force is alleviated by the shock absorbing device, the properties of the superabsorbent elastic body, which is restored to its original shape by itself, is not sufficient. Although it takes a long time, the general elastic body immediately returns to its original shape.

Therefore, when the shock absorbing device is released from the impact force after the impact force is reduced as described above,
The shock absorber is quickly restored to the original shape, and the relative position between the movable body and the linked object is quickly restored to the original state.

Further, since at least one of the super-absorbent elastic body and the general elastic body is fixed to the first and second members, the buffer device can be easily handled as a block.

Therefore, the work of transporting and assembling the shock absorbing device can be easily performed, and the workability in the case of using the shock absorbing device to reduce the impact force is improved.

According to a second aspect of the present invention, the general elastic body has a ring shape as viewed from the line of sight along the one direction, and the superabsorbent elastic body is disposed in an inner space of the general elastic body. It is.

For this reason, the inner space of the above-mentioned general elastic body is effectively used, and accordingly, the shock absorber is made compact.

Therefore, in this respect, the handling of the shock absorbing device is facilitated, and the workability in the case of using the shock absorbing device to reduce the impact force is further improved.

[0093] In the shock absorber of the third aspect of the present invention, the superabsorbent elastic body is arranged outside the general elastic body.

Therefore, it is easy to prevent the superabsorbent elastic body and the general elastic body from interfering with each other, so that their shapes can be freely determined, and the degree of freedom of design of the shock absorber is improved. And the seated person is prevented from being vibrated based on the impact force.

According to a fourth aspect of the present invention, there is provided the vehicle according to any one of the first to third aspects, wherein the one direction is substantially vertical. It is set up.

Therefore, when an impact force is to be applied from the vehicle to the occupant on the seat, this impact force is effectively reduced by the above-described shock absorber, and the occupant is moved by the impact force. Is also prevented from being vibrated on the basis of.

Moreover, when the shock absorber receives the impact force and is elastically deformed to contract in one direction,
The occupant in the seat is sunk below the normal riding position, but due to the quick restoration of the shock absorber,
This prevents the vehicle from being left in the sunk state for a long time, and quickly returns to the original riding posture.

Therefore, the seated person can maintain a good sense of unity with the vehicle, and can maintain a comfortable ride on the vehicle.

[Brief description of the drawings]

FIG. 1 is a partially enlarged cross-sectional view of FIG. 2 in a first embodiment.

FIG. 2 is a partial side view of a motorcycle as a vehicle according to the first embodiment.

FIG. 3 is a partial front sectional view of the first embodiment shown in FIG. 2;

FIG. 4 is a partial plan sectional view of the first embodiment shown in FIG. 3;

FIG. 5 is a partially enlarged partial cutaway view of FIG. 4 in the first embodiment.

FIG. 6 is a composition diagram of a superabsorbent elastic body according to the first embodiment.

FIG. 7 is a diagram corresponding to FIG. 1 in a second embodiment.

FIG. 8 is a diagram corresponding to FIG. 1 in a third embodiment.

FIG. 9 is a view corresponding to FIG. 1 in a fourth embodiment.

FIG. 10 is a diagram corresponding to FIG. 1 in a fifth embodiment.

FIG. 11 is a view corresponding to FIG. 1 in a sixth embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 movable body 2 vehicle 3 body 5 seat 7 linked object 8 occupant 17 shock absorber 19 first member 20 second member 21 super-absorbent elastic body 22 general elastic body 24 axis 25 axis 26 spring 27 inner space 28 fixed Tool 31 Inside space A One direction

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Kazuaki Hamada 2500 Shinkai, Iwata-shi, Shizuoka Yamaha Motor Co., Ltd. F-term (reference) 3B087 CE10 DD02 DD14 DD18 DD19 3J048 AA01 AC01 BB10 BC02 DA03 EA36

Claims (4)

[Claims] A first and a second facing each other in a certain direction.
A member is provided, a superabsorbent elastic body and a general elastic body elastically deformable in one direction are provided between the first and second members, and the superabsorbent elastic body and the general elastic body are combined. A shock absorber in which at least one of the superabsorbent elastic body and the general elastic body is fixed to the first and second members in parallel in a direction orthogonal to the one direction. 2. The shock absorber according to claim 1, wherein the general elastic body has a ring shape as viewed from the line of sight along the one direction, and the superabsorbent elastic body is disposed in a space inside the general elastic body. . 3. The shock absorber according to claim 1, wherein the superabsorbent elastic body is arranged outside a general elastic body. 4. A vehicle in which the shock absorber according to any one of claims 1 to 3 is disposed inside a seat for seating such that the one direction is substantially vertical.