JPH09123975A - Vehicle height adjusting device for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To meet even minor vehicle height adjusting amount by forming an insertion hole at such a position as a center-to-center distance between the insertion hole and its original insertion hole is smaller than a value where a particular value is added to the diameter of the insertion hole when a vehicle height control member to be formed is fitted on the opposite side in the axial direction of a cushion unit. SOLUTION: A vehicle height control member 68 provided with an insertion hole 69 is fitted on a rod bracket 54 mounted at the top end of a piston rod in a rear cushion unit. The insertion hole 69 is formed at such a position as a center-to-center distance M between the insertion hole 69 and its original insertion hole is smaller than a value where a particular value N is added to the diameter A of the insertion hole 69 when a vehicle height control member 68 is fitted on the opposite side in the vertical direction L. The prescribed value N, when the two insertion holes are provided in parallel, is the minimum value of an peripheral interval adjacent to the insertion hole 69, and is a specified value in strength. The insertion hole 69 may be formed by setting the prescribed value N to zero and calculating the center-to-center distance M.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle height adjusting device for a vehicle such as a motorcycle.

[0002]

2. Description of the Related Art Among motorcycles, there is a vehicle of a category called a dual-purpose vehicle that enables traveling in a wasteland and traveling in a flat city area. In such a dual-purpose vehicle, since the stroke of the cushion unit is made long so as to be suitable for traveling in a wasteland, the footability becomes poor for traveling in urban areas, and it is necessary to adjust the vehicle height.

Although this vehicle height adjustment amount varies depending on the vehicle type, it is generally performed in the range of 20 to 40 mm at the axle mounting portion. The rear cushion unit is arranged between the body frame and the swing arm, but is usually arranged in front of the axle mounting portion of the swing arm. Therefore, if the ratio of the stroke at the axle mounting part and the stroke at the rear cushion unit mounting part, that is, the lever ratio is 2.5 to 3,
To adjust the vehicle height by 20-40mm at the axle mounting part, the vehicle height adjustment amount at the rear cushion unit mounting part is 6.7-16mm.
Becomes Conversely speaking, at the rear cushion unit mounting part
If you make an adjustment of 6.7 to 16 mm, you have made an adjustment of 20 to 40 mm.

On the other hand, in the device disclosed in Japanese Utility Model Laid-Open No. 56-44908, as shown in FIG. 9, a rear portion is provided between the rear frame mounting portion 2 of the swing arm 1 supporting the rear wheel and the body frame 3. It is proposed that the cushion unit 4 is arranged, and that the mounting bracket 5 of the rear cushion unit 4 has two through holes 6A and 6B of the same diameter arranged side by side along the axial direction thereof. The rear cushion unit 4 and the swing arm 1 are inserted by inserting a through bolt into the insertion hole 6A in FIG.
The vehicle height is lowered by connecting and, and the vehicle height is raised by connecting the rear cushion unit 4 and the swing arm 1 by inserting a bolt into the insertion hole 6B.

[0005]

However, in the prior art described in the above publication, the mounting bracket 5 of the rear cushion unit 4 is installed at a position close to the pivot point of the frame of the swing arm 1 and is inserted into the mounting bracket 5. When the holes 6A and 6B are arranged side by side along the axis of the rear cushion unit 4, when the through holes 6A and 6B are formed close to each other, the center distance m between the through holes 6A and 6B is m.
Cannot be set to be equal to or smaller than the diameter a of the insertion holes 6A and 6B. Actually, the minimum value n of the outer peripheral distance between the insertion holes 6A and 6B adjacent to each other is required between the insertion holes 6A and 6B in terms of strength.
Cannot be set to a value equal to or smaller than a value obtained by adding the minimum value n of the interval to the diameter a of these insertion holes 6A and 6B.

For example, through bolts and insertion holes 6A, 6B
When the diameter a of the vehicle is 10 mm, the distance m between the centers of the insertion holes 6A and 6B cannot be set to (10 + n) mm or less, and the vehicle body of (10 + n) mm or less at the mounting portion of the rear cushion unit 4 cannot be set. The height cannot be adjusted. For this reason,
6.7mm at the mounting part of the rear cushion unit 4
The vehicle height adjustment amount in the range from (10 + n) mm cannot be secured, and the vehicle height adjustment amount at the axle mounting portion (vehicle vehicle height adjustment amount) cannot be set to a small value.

An object of the present invention is to provide a vehicle height adjusting device for a motorcycle which can cope with a small amount of vehicle height adjustment.

[0008]

According to a first aspect of the present invention, a cushion unit is arranged via a bracket between an axle support member supporting an axle and a vehicle body frame,
In the vehicle in which an insertion hole is formed in the bracket at right angles to the axis of the cushion unit, and a fixing member such as a bolt is inserted into the insertion hole to mount the cushion unit, one end of the cushion unit A vehicle height adjusting member having an insertion hole is detachably installed on at least one bracket of the other end of the cushion unit, the axle support member, and the vehicle body frame. Vertically and horizontally symmetrically, and
The insertion hole formed in the vehicle height adjusting member has a non-rotatable shape with respect to the bracket, and the original insertion hole when the vehicle height adjusting member is installed in the direction opposite to the axial direction of the cushion unit. Is formed at a position where the center-to-center distance of the insertion hole is smaller than a value obtained by adding a predetermined value to the diameter of the insertion hole, and the predetermined value is the outer peripheral spacing between the insertion holes adjacent to each other axially arranged on the same member. Is the minimum value of.

According to a second aspect of the present invention, in the first aspect of the invention, the predetermined value is zero.

[0010] The invention described in claim 3 is the invention according to claim 1 or 2.
In the invention described in (1), the bracket on which the vehicle height adjusting member is installed is formed in a U-shaped cross section.
Further, the vehicle height adjusting member is provided to face each of the parts.

The invention described in claim 4 is the first or second invention.
In the invention described in (1), the bracket on which the vehicle height adjusting member is installed is formed in an I-shaped cross section.

According to a fifth aspect of the present invention, in the invention according to any one of the first to third aspects, the cushion unit is provided with a piston rod projecting from a cylinder of the hydraulic shock absorber, and the cylinder and the piston rod. A suspension spring is arranged between them, and a bracket is arranged at the end of the cylinder and the tip of the piston rod.
Among these, a vehicle height adjusting member is installed on the bracket having a U-shaped cross section at the tip of the piston rod.

According to a sixth aspect of the invention, in the invention according to any one of the first to fifth aspects, a single vehicle height adjusting member is provided, or a plurality of vehicle height adjusting members are arranged in parallel in the longitudinal direction of the vehicle height adjusting member. The individual insertion holes are formed.

The invention described in claims 1 to 6 has the following effects. A vehicle height adjusting member having an insertion hole is installed on one end portion of the cushion unit, the other end portion of the cushion unit, or at least one bracket of the vehicle height supporting member or the vehicle body frame. Since the center-to-center distance from the insertion hole when installed in the opposite direction to the longitudinal direction is smaller than the value obtained by adding a predetermined value to the diameter of the insertion hole, the vehicle height adjusting member is opposed to the longitudinal direction. By installing the fixing member such that it faces the bracket, the insertion position of the fixing member such as a bolt can be changed within a range of a value obtained by adding a predetermined value to the diameter of the insertion hole. As a result, the vehicle height adjustment amount between the vehicle body frame and the axle support member at the mounting position of the cushion unit can be set to a small value, so the vehicle height adjustment amount at the axle mounting portion (vehicle vehicle height adjustment amount) can be set to a small value. It is possible to handle small vehicle height adjustments.

[0015]

1 is a side view showing a part of a motorcycle to which an embodiment of a vehicle height adjusting device for a vehicle according to the present invention is applied. FIG. 2 is a side view showing the rear cushion unit of FIG. 1 in a half sectional state. FIG.
FIG. 3 is a sectional view taken along line III-III in FIG. 2. FIG. 4 is a sectional view taken along line IV-IV in FIG. FIG. 5 shows the VV of FIG.
It is sectional drawing which follows a line. FIG. 6A is a side view showing the bracket of FIG. 2 in an enlarged manner, and FIG. 6B shows a predetermined value N.
FIG. FIG. 7 is a sectional view taken along line VII-VII in FIG.

The motorcycle 10 shown in FIG. 1 includes a body frame 11 and a swing arm 12 as an axle support member.
Is pivotally supported in a vertical direction of the motorcycle 10, and an axle 14 of a rear wheel 13 is rotatably supported by a tip end portion of the swing arm 12. A bracket 15 is fixed to the lower front portion of the swing arm 12, and a triangular link 15a is pivotally supported by the bracket 15. One end of a link 16a is pivotally supported on the body frame 11, the other end of the link 16a is pivotally supported on one end of a link 16b, and the other end of the link 16b is pivotally supported on a triangular link 15a. There is. Further, a rear cushion unit 18 is attached between the body frame side bracket 17 fixed to the body frame 11 and the swing arm side bracket 15 of the swing arm 12 to form a rear suspension of the motorcycle 10. The piston rod 22 of the rear cushion unit 18 has its tip pivotally supported by a triangular link 15a through a U-shaped bracket 54, as described later.

As will be described later, the rear cushion unit 18 has a piston rod 22 projecting from a cylinder 21 of a hydraulic shock absorber 19, and a suspension spring 20 is arranged between the cylinder 21 and the piston rod 22 to be integrated. It is a thing. The suspension spring 20 absorbs the impact from the road surface, and the hydraulic shock absorber 19 is replaced by the rear cushion unit 19
Also, the vibration of the swing arm 12 is damped, and the motorcycle 1
Damps 0.

In the hydraulic shock absorber 19, as shown in FIG. 2, a cylinder 21 made of a single tube is filled with hydraulic oil, and a piston 23 is slidably fitted in the cylinder 21. It is configured by connecting one end. The rod guide 24 is provided in the opening of the cylinder 21.
Is installed, and the other end side of the piston rod 22 penetrates the rod guide 24 and extends to the outside of the cylinder 21. An oil seal 25 is attached to the inner circumference of the rod guide 24, so that the cylinder 21 is liquid-tight. Further, the interior of the cylinder 21 is divided into an upper chamber 26A and a lower chamber 26B by the piston 23. The piston rod 22 can enter or exit the lower chamber 26B.

One end of the piston rod 22 is connected to the piston 2
3, the piston 23 is fixed to the piston rod 22 using a lock nut 31 together with the compression side damping valve 27 and the valve stopper 28, and the extension side damping valve 29 and the piston washer 30. In the piston 23, a plurality of pressure side oil passages 32 and extension side oil passages 33 are alternately penetrated around the piston rod 22. The compression side damping valve 27 is arranged at one opening side of the compression side oil flow path 32 to enable generation of the compression side damping force, and the expansion side damping valve 29 is arranged to extend.
It is arranged on the one opening side to enable the extension side damping force to be generated.

The upper chamber 26A of the cylinder 21 is connected to the reservoir tank 40 via a connecting hose 39.
The reservoir tank 40 has a function of compensating for the hydraulic oil corresponding to the volume change of the piston rod 22 that enters or leaves the lower chamber 26B during the compression or expansion process of the hydraulic shock absorber 19.

As shown in FIG. 3, the reservoir tank 40 has a tank housing 4 at both ends of a tank cylinder 41.
2 and the tank cap 43 are fitted, and the bladder 44 is mounted inside the tank cylinder 41 so as to be mounted on the tank housing 42, and the inside of the tank cylinder 41 is divided into the oil chamber 45 and the air chamber 46 by the bladder 44. It is divided. A flow path 47 formed in the tank housing 42,
The oil chamber 45 of the reservoir tank 40 communicates with the upper chamber 26A of the cylinder 21 via the bolt 48 and the connection hose 39.

In the flow path 47 of the tank housing 42, a check valve 50 and a needle valve 51 having orifice holes are arranged on both sides of a valve seat 49. The needle valve 51 can generate a compression side damping force. Further, the check valve 50 is the hydraulic shock absorber 1.
The valve opens in the extension process of 9.

Therefore, in the compression process of the hydraulic shock absorber 19,
The hydraulic oil in the upper chamber 26A of the cylinder 21 becomes the piston 23.
The compression side damping valve 27 is flexibly deformed through the compression side oil flow path 32 and flows into the lower chamber 26B. A pressure side damping force is generated by the resistance when the hydraulic oil flexibly deforms the pressure side damping valve 27. At the same time, the lower chamber 26B of the cylinder 21
The hydraulic oil corresponding to the volume increase of the piston rod 22 that enters the inside flows into the oil chamber 45 of the reservoir tank 40 from the upper chamber 26A of the cylinder 21 through the connecting hose 39. At this time, the compression side damping force is generated due to the resistance while the hydraulic oil flows through the needle valve 51.

During the expansion process of the hydraulic shock absorber 19, the hydraulic oil in the lower chamber 26B of the cylinder 21 bends and expands the expansion side damping valve 29 through the expansion side oil flow path 33 of the piston 23 and enters the upper chamber 26A. Inflow. The expansion side damping force is generated by the resistance when the hydraulic oil flexibly deforms the expansion side damping valve 29. At the same time, the working oil for reducing the volume of the piston rod 22 that exits from the lower chamber 26B of the cylinder 21 flows into the upper chamber 26A of the cylinder 21 from the oil chamber 45 of the reservoir tank 40 through the connecting hose 39, and Chamber 26A
Eliminate the negative pressure.

An upper spring receiver 5 is provided on the outer peripheral portion of the cylinder 21.
2A is screwed, and the upper spring receiver 52A is fixed by the lock nut 53. On the other hand, a rod-side bracket 54 is screwed onto the tip of the piston rod 22, and the rod-side bracket 54 is fixed with a lock nut 55. Further, a spacer 56 is attached to the tip of the piston rod 22.
Is fitted in the rod-side bracket 54 in an abutting state, the lower spring bearing stopper 57 is supported by the spacer 56, and the lower spring bearing 52B is fitted in the lower spring bearing stopper 57. The suspension spring 20 is interposed between the upper spring receiver 52A and the lower spring receiver 52B.

Reference numeral 34 in FIG. 2 is a rebound rubber, which is attached to the rod guide 24 together with the spacer 35. When the hydraulic shock absorber 19 is fully extended, the valve stopper 28 contacts the rebound rubber 34, and the movement of the piston 23 is restricted to the position shown by the solid line in FIG. Further, reference numeral 36 is a cap attached to the open end of the cylinder 21. The mud on the circumferential surface of the piston rod 22 scraped off by the dust seal 38 is discharged from the mud hole 37 of the cap 36. Further, a washer 58 is arranged inside the lower spring receiving stopper 57, and the stopper rubber 59 is supported by the washer 58. The stopper rubber 59 abuts the cap 36 of the cylinder 21 when the hydraulic shock absorber 19 is compressed most, so that the movement of the piston 23 does not occur as shown in FIG.
It is regulated by the position of the chain line.

Now, in the rear cushion unit 18 constructed as described above, at the opening side end of the cylinder 21,
A cylinder side bracket 60 having an I-shaped cross section is formed integrally with the cylinder 21. This cylinder side bracket 6
As shown in FIG. 4, a cushioning member 62 having a rubber 61 baked between the inner and outer collars is attached to 0, and an insertion hole 63 is formed in the inner collar. The body frame 1
An insertion hole 64 is also formed in the one body frame side bracket 17, and these insertion holes 63 and 64 are provided orthogonal to the axis O of the cushion unit 18. Through bolts 65 as fixing members are inserted into these insertion holes 63 and 64, nuts 66 are screwed together, and the rear cushion unit 18 is attached to the vehicle body frame 11.

On the other hand, as shown in FIG. 1, an insertion hole 67 is formed in the triangular link 15a of the swing arm 12 as shown in FIG. This insertion hole 67 is also formed orthogonal to the axis O of the cushion unit 18. FIG.
As shown in FIG. 5, the rod side bracket 54 is fixed to the tip of the piston rod 22 of the cushion unit 18, and the oval vehicle height adjusting member 68 is detachably attached to the rod side bracket 54. The vehicle height adjusting member 68 is formed with a single insertion hole 69 orthogonal to the axis O of the cushion unit 18. As shown in FIG. 5, the through bolt 65 is inserted through the insertion hole 67 of the triangular link 15a and the insertion hole 69 of the vehicle height adjusting member 68, the nut 66 is screwed, and the cushion unit 18 is swung.
2 attached.

As shown in FIGS. 6 (A) and 7, the rod-side bracket 54 has a U-shaped cross section.
A vehicle height adjusting member 68 is installed to face each of 4A and 54B. The vehicle height adjusting member 68 is arranged in the vertical direction L.
And is symmetrical with respect to the left-right direction W, has a shape that cannot rotate with respect to the bracket 54, and is installed on the rod-side bracket 54 so that the up-down direction L coincides with the axis O of the rear cushion unit 18. . Further, the insertion holes 69 of the vehicle height adjusting member 68 are located at two positions eccentric in the vertical direction L of the vehicle height adjusting member 68, that is, two points when the vehicle height adjusting member 68 is installed in the opposite direction in the vertical direction 180 °. Chain line (Fig. 6
The center-to-center distance M to the insertion hole 69 shown in (A)) is formed at a position smaller than a value obtained by adding a predetermined value N (FIG. 6B) to the diameter A of the insertion hole 69. This predetermined value N is the minimum value of the outer peripheral distance between adjacent through holes 69 when the two through holes 69 are provisionally arranged side by side in the vehicle height adjusting member 68, and is a value determined in terms of strength. The insertion hole 69 may be formed by setting the predetermined value N to zero and calculating the center-to-center distance M.

Therefore, as shown by the solid lines in FIGS. 2 and 6A, the vehicle height adjusting member 68 is installed on the rod side bracket 54 so that the insertion hole 69 is on the side closer to the cylinder side bracket 60. Insertion hole 69 and triangular link 15
By inserting the through bolt 65 into the insertion hole 67 of a, the vehicle height of the motorcycle 10 is adjusted to be low. Further, as shown by the chain double-dashed line in FIG. 6 (A), the vehicle height adjusting member 68 is installed on the rod side bracket 54 so that the insertion hole 69 is located away from the cylinder side bracket 60, and the insertion hole 69 By inserting the through bolt 65 into the insertion hole 67 of the triangular link 15a, the vehicle height of the motorcycle 10 is adjusted to be high. Set the vehicle height adjustment member 68 in the longitudinal direction L.
When the vehicle is turned upside down and the vehicle height is lowered, for example, if the stroke of the rear cushion unit 18 remains the same, the distance between the rear fender on the vehicle body side and the upper surface of the rear wheel 13 or the bottom of the engine and the road surface. The distance between and becomes smaller by the amount of vehicle height adjustment. For this reason, when the vehicle height is lowered, the lower spring receiving stopper 57 is turned over, its protruding portion 57A is arranged as shown in the lower half of FIG. 2, and the stopper rubber 59 is moved to the cylinder 21 side. By doing so, the compression stroke of the hydraulic shock absorber 19 is reduced, and the distance between the rear fender and the upper surface of the rear wheel 13 and the distance between the engine and the road surface can be maintained at appropriate values regardless of the vehicle height adjustment. Since the lower spring receiver 52B is fitted on the outer peripheral portion of the lower spring receiver stopper 57,
Even if the lower spring receiving stopper 57 is turned over, the initial load of the suspension spring 20 is always set to be constant.

According to the above-described embodiment, the vehicle height adjusting member 68 having the insertion hole 69 is installed in the rod side bracket 54 installed at the tip of the piston rod 22 of the rear cushion unit 18, and the insertion hole 69 is provided. Is the distance A between the centers of the vehicle height adjusting member 68 and the through hole 69 when the vehicle height adjusting member 68 is installed in the direction opposite to the vertical direction L, and the diameter A of the through hole 69 is
Since it is formed at a position smaller than the value obtained by adding the predetermined value N to the bracket 54, the vehicle height adjusting member 68 is installed in the bracket 54 in the direction opposite to the vertical direction L, so that the fixing member such as the through bolt 65 can be fixed. The insertion position can be changed within a range of a distance M smaller than a value obtained by adding a predetermined value N to the diameter A of the insertion hole 69. As a result, the mounting position of the cushion unit 18 (the rod side bracket 54 and the triangular link 15
Since the vehicle height adjustment amount of the vehicle body frame 11 and the swing arm 12 at the connection position (a) can be set to a small value, the vehicle height adjustment amount at the axle mounting portion (vehicle vehicle height adjustment amount) can be set to a small value. It can also be used for small vehicle height adjustments.

For example, when the diameter A of the through bolt 65 and the insertion hole 69 is 10 mm, and the predetermined value N is zero, the center distance M can be set to 10 mm or less in the above-described embodiment. The vehicle height adjustment amount at the mounting portion of the unit 18 can be set in the entire range of 6.7 to 16 mm. As a result, the vehicle height adjustment amount at the axle 14 mounting portion of the rear wheel 13 is 20 to 40 mm.
Can be adjusted in the entire range of, and a small value, for example, a vehicle height adjustment amount of 20 mm can be secured.

FIG. 8 is a sectional view corresponding to FIG. 4 of a rear cushion unit to which another embodiment of the vehicle height adjusting device for a vehicle according to the present invention is applied. In the present embodiment, the same parts as those in the above-mentioned embodiment are designated by the same reference numerals and the description thereof will be omitted.

In the rear cushion unit 70 of this embodiment, a cushioning member 80 having a rubber 80c baked between an inner collar 80a and an outer collar 80b is provided in a hole 72a of a cylinder side bracket 72 having an I-shaped cross section in a cylinder 71. Pressed in. Inner color 8 above
An insertion hole 80d having a long hole in the axial direction of the cushion unit 18 is formed on the inner side of 0a.
A vehicle height adjusting member 73 having the same outer shape as the long hole-shaped insertion hole 80d is detachably fitted to 0d. The vehicle height adjusting member 73 is formed with an insertion hole 74 into which the through bolt 65 and the like are inserted, as in the above embodiment. The through bolt 65 is inserted through the insertion hole 74 of the vehicle height adjusting member 73 and the insertion hole 64 of the frame side bracket 17 of the vehicle body frame 11, so that the cushion unit 70 is attached.
Attached to.

When adjusting the vehicle height of the motorcycle 10,
The vehicle height adjusting member 73 is installed upside down in the opposite direction by 180 °, and the position of the insertion hole 74 is changed along the vertical direction of the vehicle height adjusting member 73. Therefore, also in this embodiment, the rear cushion unit 70
Since the vehicle height adjustment amount at the mounting portion can be set to a small value, the vehicle height adjustment amount at the axle mounting portion can be set to a small value, and a small vehicle height adjustment amount can be dealt with.

In both of the above-mentioned embodiments, the vehicle height adjusting members 68 and 73 are installed on the rod side bracket 54 and the cylinder side bracket 72 of the rear cushion units 18 and 70, but instead of these, Alternatively, upon installation, as shown by a chain double-dashed line in FIG. 4 and a bracket 17 having a U-shaped cross section, the swing arm 12
Brackets (not shown) having an I-shaped section directly installed on the vehicle or both of them, and vehicle height adjusting members 68, 73,
The vertical direction may be set so as to coincide with the axis of the rear cushion units 18, 70.

Further, in the above both embodiments, the case of the rear cushion units 18, 70 of the motorcycle has been described, but the present invention may be applied to the cushion units of the motorcycle.

[0038]

As described above, the vehicle height adjusting device for a vehicle according to the present invention can cope with a small amount of vehicle height adjustment.

[Brief description of the drawings]

FIG. 1 is a side view showing a part of a motorcycle to which an embodiment of a vehicle height adjusting device for a vehicle according to the present invention is applied.

FIG. 2 is a side view showing the rear cushion unit of FIG. 1 in a half cross-sectional state.

FIG. 3 is a sectional view taken along the line III-III in FIG. 2;

FIG. 4 is a sectional view taken along the line IV-IV in FIG. 2;

FIG. 5 is a sectional view taken along the line VV of FIG. 2;

6 (A) is an enlarged side view showing the bracket of FIG. 2, and FIG. 6 (B) is a diagram for explaining a predetermined value N. FIG.

FIG. 7 is a sectional view taken along line VII-VII in FIG. 6;

FIG. 8 is a sectional view of a rear cushion unit to which another embodiment of the vehicle height adjusting device for a vehicle according to the present invention is applied, corresponding to FIG. 4.

FIG. 9 is a side view showing a rear cushion unit of a motorcycle to which a conventional vehicle height adjusting device is applied.

[Explanation of symbols]

 10 Motorcycle 11 Body Frame 12 Swing Arm (Axle Supporting Member) 14 Axle 15a Triangular Link 16 Body Frame Side Bracket 18 Rear Cushion Unit 19 Hydraulic Shock Absorber 20 Suspension Spring 21 Cylinder 22 Piston Rod 54 Rod Side Bracket 60 Cylinder Side Bracket 63 Cylinder side bracket insertion hole 64 Frame side bracket insertion hole 65 Through bolt 67 Triangular link insertion hole 68 Vehicle height adjustment member 69 Vehicle height adjustment member insertion hole 70 Rear cushion unit 72 Cylinder side bracket 73 Vehicle height adjustment member 74 Vehicle height adjustment member insertion hole M Distance between centers of insertion holes A Diameter of insertion hole N Specified value O Rear cushion unit axis

Claims (6)

[Claims] 1. A cushion unit is disposed between a vehicle body frame and an axle support member for supporting an axle via a bracket, and an insertion hole is formed in the bracket at a right angle to an axis of the cushion unit. In a vehicle in which a fixing member such as a bolt is inserted through the insertion hole and the cushion unit is attached, one end of the cushion unit, the other end of the cushion unit, the axle support member, and the body frame A vehicle height adjusting member having an insertion hole is detachably installed in at least one of the brackets, and the vehicle height adjusting member has a shape that is vertically and horizontally symmetrical and that cannot rotate with respect to the bracket. The insertion hole formed in the vehicle height adjusting member is the original hole when the vehicle height adjusting member is installed in the opposite direction to the axial direction of the cushion unit. Is formed at a position where the center-to-center distance from the through hole is smaller than a value obtained by adding a predetermined value to the diameter of the through hole, and the predetermined value is the same for the through holes that are arranged side by side in the same member in the axial direction. A vehicle height adjusting device for a vehicle, wherein the distance between adjacent outer circumferences is a minimum value. 2. The vehicle height adjusting device according to claim 1, wherein the predetermined value is zero. 3. The vehicle height adjusting member according to claim 1 or 2, wherein the bracket on which the vehicle height adjusting member is installed is formed in a U-shaped cross section, and the vehicle height adjusting member is provided so as to face each of the forked portions of the bracket. A vehicle height adjusting device for the vehicle described. 4. The vehicle height adjusting device for a vehicle according to claim 1, wherein the bracket on which the vehicle height adjusting member is installed is formed in an I-shaped cross section. 5. The cushion unit is configured such that a piston rod is projected from a cylinder of a hydraulic shock absorber, and a suspension spring is arranged between the cylinder and the piston rod, and an end portion of the cylinder and a tip end of the piston rod. The vehicle height adjusting device according to any one of claims 1 to 3, wherein a bracket is disposed on the portion, and a vehicle height adjusting member is installed on the bracket having a U-shaped cross section at a tip portion of the piston rod. . 6. The vehicle height adjusting member according to claim 1, wherein the vehicle height adjusting member has a single insertion hole or a plurality of insertion holes formed in parallel with each other in the longitudinal direction of the vehicle height adjustment member. Vehicle height adjustment device.