JP3236645U - Vehicle height setting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle height setting device capable of utilizing a suspension component originally provided in a vehicle. SOLUTION: A spacer 26 provided between a coil spring 19 of a front suspension 12 provided on a vehicle body 11 and the vehicle body 11 and positioning the vehicle body 11 and front wheels 14 in the height direction of the vehicle body 11 and a height thereof. A vehicle height setting device 25 having a bolt 24 and a nut 27 for positioning the spacer 26 with respect to the suspension in a direction intersecting the direction was configured. [Selection diagram] Fig. 2

Description

The present disclosure relates to a vehicle height setting device for setting a vehicle height.

A vehicle height setting device capable of setting a vehicle height is known, and an example of the vehicle height setting device is described in Patent Document 1. The vehicle height setting device described in Patent Document 1 includes a body, a shaft attached to the body, an annular external cylinder fixed to the body and provided so as to surround the shaft, and an external cylinder. A cylinder that can reciprocate along the longitudinal direction of the shaft, a closed space provided between the external cylinder and the cylinder, a compressor connected to the closed space via an air supply port, and a compressor attached to the shaft. , With a shock absorber that can operate along the longitudinal direction of the shaft.

Further, the vehicle height setting device has a flange provided on the shock absorber and a spring provided between the flange and the cylindrical portion. The lower arm is connected to the shock absorber, the wheel support portion is supported by the lower arm and the upper arm, and the wheel is attached to the wheel support portion. According to the vehicle height setting device described in Patent Document 1, when the pressure in the enclosed space rises, the body rises and the vehicle height rises. When the pressure in the enclosed space decreases, the body lowers and the vehicle height decreases.

Japanese Unexamined Patent Publication No. 2011-201519

The inventor of the present application has recognized the problem that the vehicle height setting device described in Patent Document 1 cannot utilize suspension parts originally provided in a vehicle, such as a spring and a shock absorber.

An object of the present disclosure is to provide a vehicle height setting device capable of setting a vehicle height and utilizing suspension parts originally provided in the vehicle.

The present disclosure intersects a spacer provided between a coil spring of a suspension provided on a vehicle body and the vehicle body and positioning the vehicle body and wheels in the height direction of the vehicle body with respect to the height direction. It is a vehicle height setting device having a positioning mechanism for positioning the spacer with respect to the suspension in such a direction.

According to the vehicle height setting device of the present disclosure, the vehicle height can be set, and the suspension parts originally provided in the vehicle can be used.

It is a schematic side view which shows the 1st Embodiment of the vehicle which attaches the vehicle height setting device. (A) and (B) are front views of the vehicle height setting device attached to the front suspension of FIG. (A) is a partial side view of a vehicle in which a vehicle height setting device is attached to the rear suspension of FIG. 1, and (B) is a disassembly of a cushioning material and a spacer arranged on a coil spring of the rear suspension of FIG. FIG. 1C is an exploded view of the shock absorber and bracket of the rear suspension of FIG. 1. It is a schematic side view which shows the 2nd Embodiment of the vehicle which attaches the vehicle height setting device. (A) and (B) are front views of the vehicle height setting device attached to the front suspension of FIG. (A) and (B) are partial side views of the vehicle height setting device attached to the rear suspension of FIG.

An example of the vehicle height setting device of the present disclosure will be described with reference to the drawings.
(First Example)
FIG. 1 shows a vehicle 10, which has a vehicle body 11, a front suspension 12, and a rear suspension 13. The front suspension 12 is a device that cooperates with the front wheels (tires) 14 to support the vehicle body 11 and the mechanisms, parts, elements, occupants of the vehicle 10, luggage, and the like provided on the vehicle body 11. The rear suspension 13 is a device that cooperates with the rear wheels (tires) 35 to support the vehicle body 11 and the mechanisms, parts, elements, occupants of the vehicle 10, luggage, and the like provided on the vehicle body 11. The vehicle body 11 includes a frame, a floor, and the like. The vehicle height setting device 25 is provided on the front suspension 12, and the vehicle height setting device 50 is provided on the rear suspension 13. The vehicle height setting devices 25 and 50 are provided in the vehicle 10 as a set. The front suspension 12 has a strut 15, a wheel support portion 16, a lower arm 17, and the like, as shown in FIGS. 2A and 2B. The strut 15 has a shock absorber 18 and a coil spring 19.

The shock absorber 18 has an outer cylinder portion 20 and a piston 21 supported by the outer cylinder portion 20. The piston 21 can operate in the direction along the virtual line A1 indicating the center of the outer cylinder portion 20. A spring seat 22 is provided on the outer cylinder portion 20, and an upper plate 23 is fixed to the tip of the piston 21. The coil spring 19 is arranged so as to surround the piston 21. The coil spring 19 receives a compressive load from the spring seat 22 and the upper plate 23. The coil spring 19 can expand and contract in the direction along the virtual line A1. A plurality of bolts 24 are attached to the upper plate 23.

The strut 15 is attached to the vehicle body 11 by using the vehicle height setting device 25. The vehicle height setting device 25 has a metal spacer 26, a metal nut 27 fixed to the spacer 26, and a metal bolt 28 fixed to the spacer 26, and the spacer 26 is a cylinder. It has a part 26A. Then, the shaft portion of the bolt 24 is inserted into the mounting hole of the upper plate 23, and the shaft portion of the bolt 24 is screwed into the nut 27 to tighten the bolt 24, whereby the strut 15 and the spacer 26 are fixed. Further, when the shaft portion of the bolt 28 is inserted into the mounting hole of the vehicle body 11 and the nut 29 is attached to the upper surface of the vehicle body 11 and tightened, the spacer 26 is fixed to the vehicle body 11 as shown in FIG. 2 (B). ..

On the other hand, a bracket 30 is provided on the outer cylinder portion 20 of the strut 15. The bracket 30 has a plurality of, for example, two mounting holes 31. The mounting hole 31 is a long hole. The wheel support portion 16 has an arm portion 32, and the bracket 30 and the arm portion 32 are connected and fixed by inserting and tightening the shaft portion of the bolt 33 into the mounting hole 31. The front wheel 14 is attached to the wheel support portion 16, and the front wheel 14 is fixed to the wheel support portion 16 by tightening the hub nut.

The first end of the lower arm 17 is connected to the wheel support portion 16, and the second end of the lower arm 17 is connected to the cross member. The lower arm 17 can be operated in a plane in the height direction of the vehicle body 11 with the connection point with the cross member as a fulcrum. The outer peripheral surface of the front wheel 14 is in contact with the ground 34, and the front wheel 14 receives the load of the vehicle 10. Further, the coil spring 19 further receives a compressive load and contracts.

FIG. 3A shows a specific structural example of the rear suspension 13. The rear suspension 13 is a 4-link type suspension, and the rear suspension 13 has a lower control arm 36, an upper control arm 37, a shock absorber 38, a coil spring 39, and the like. The rear suspension 13 is provided corresponding to the left and right rear wheels 35, but in FIG. 3, the rear suspension 13 is shown corresponding to the left rear wheel 35 for convenience. The rear wheels 35 are attached to the left and right wheel support portions 41 provided at both ends of the rear axle 40, respectively. The outer peripheral surface of the rear wheel 35 is in contact with the ground 34.

The first end portion of the lower control arm 36 is connected to the vehicle body 11 so as to be able to operate within a predetermined angle range. The second end of the lower control arm 36 is connected to the rear axle 40 so as to be able to operate within a predetermined angle. The first end of the upper control arm 37 is connected to the vehicle body 11 so as to be able to operate within a predetermined angle range. The second end of the upper control arm 37 is connected to the rear axle 40 so as to be able to operate within a predetermined angle.

Two spring seats 42 are fixed to the upper part of the rear axle 40 at intervals in the width direction of the vehicle body 11. In the vehicle body 11, a mount portion 43 is provided at a position corresponding to directly above the spring seat 42. The mount portion 43 projects downward from the vehicle body 11. A coil spring 39 is placed on the spring seat 42. As shown in FIG. 3B, a spacer 44 and a cushioning material 45 are provided between the vehicle body 11 and the upper end of the coil spring 39. The spacer 44 and the cushioning material 45 are both ring-shaped, and the spacer 44 and the cushioning material 45 are provided so as to surround the mount portion 43. The cushioning material 45 is interposed between the spacer 44 and the coil spring 39. The spacer 44 is made of metal, and the cushioning material 45 is made of synthetic rubber. The coil spring 39 receives a compressive load from the cushioning material 45 and the spring seat 42 due to the weight of the vehicle body 11. The coil spring 39 can expand and contract in the direction along the virtual line A2. The virtual line A2 is arranged along the height direction of the vehicle body 11.

The upper end of the shock absorber 38 is connected to the vehicle body 11, and the lower end of the shock absorber 38 is connected to the rear axle 40 via the bracket 46 as shown in FIG. 3C. The lower end of the shock absorber 38 and the bracket 46 are fixed by bolts 47 and nuts. The bracket 46 is made of metal. Further, the support shaft 48 protrudes from the rear axle 40, the nut 49 is attached to the male screw at the tip of the support shaft 48, and the nut 49 is tightened. In this way, the bracket 46 is connected to the rear axle 40. The spacer 44 and the bracket 46 constitute the vehicle height setting device 50.

The vehicle 10 of the present disclosure is provided with the vehicle height setting devices 25 and 50, so that the distance from the ground 34 to the upper end of the vehicle body 11 is set to the vehicle height H1. In the present disclosure, the vehicle height setting device 25 is interposed between the upper plate 23 and the vehicle body 11, the spacer 44 is interposed between the coil spring 39 and the vehicle body 11, and the bracket 46 is attached to the shock absorber 38. By installing it, the vehicle height H1 is set. The vehicle height H1 is higher than the vehicle height H2 assuming that the vehicle height setting devices 25 and 50 are not attached. The difference between the vehicle height H1 and the vehicle height H2 is, for example, 4 cm or less, which also conforms to the safety standards stipulated by the Road Transport Vehicle Law.

As described above, the vehicle height setting device 25 of the present disclosure can use the existing front suspension 12, and the vehicle height setting device 50 can set the vehicle height H1 by using the existing rear suspension 13. Therefore, genuine coil springs 19, 39, shock absorbers 18, 38, etc. can be used as they are. Further, the ride quality of the vehicle 10 does not deteriorate as compared with the method of replacing the genuine coil springs 19 and 39 to set the vehicle height. Further, the vehicle height H1 can be set by using the vehicle height setting devices 25 and 50 without performing body lift-up and the like, and the vehicle height setting devices 25 and 50 are relatively inexpensive as a product. In this way, the user or the technician of the specialty store can easily change the vehicle height H2 to the vehicle height H1 by attaching the vehicle height setting devices 25 and 50 to the vehicle 10. Although FIGS. 3A and 3C show an example in which the bracket 46 is attached to the lower end of the shock absorber 38, the bracket 46 is attached to the upper end of the shock absorber 38 and the bracket 46 is attached to the vehicle body 11. By connecting, the vehicle height H1 can also be set.

Further, when the vehicle height setting device 25 is attached to the front suspension 12, the bolt 33 located above the two bolts 33 is replaced with one having a smaller shaft diameter to adjust the positions of the bracket 30 and the arm portion 32. After performing the above, tighten the two bolts 33. By performing this work, the camber of the front wheels 14 after the vehicle height H1 is set can be appropriately adjusted. When the vehicle 10 is viewed from the front, the virtual line A1 is inclined with respect to the vertical line, but in FIGS. 2A and 2B, the virtual line A1 is oriented in the direction along the vertical line for convenience. It is shown in the extended state.

(Second Example)
A second embodiment of the vehicle 10 is shown in FIG. The vehicle 10 shown in FIG. 4 has a vehicle body 52, a front suspension 12, and a rear suspension 53. The vehicle body 52 has a driver's seat 54 and a loading platform 55. The front suspension 12 is a device that cooperates with the front wheels (tires) 14 to support the driver's seat 54 and the mechanisms, parts, elements, occupants of the vehicle 10 and the like provided in the driver's seat 54. The rear suspension 53 is a device that cooperates with the rear wheels (tires) 35 to support the loading platform 55 and the mechanisms, parts, elements, and the load loaded on the loading platform 55.

The front suspension 12 has struts 15, and the struts 15 basically have the same configuration as the struts 15 of the first embodiment. In the second embodiment, as shown in FIGS. 5A and 5B, a vehicle height setting device 56 for connecting the strut 15 and the wheel support portion 16 is provided. The vehicle height setting device 56 connects and fixes the bracket 30 and the arm portion 32. The vehicle height setting device 56 has a plurality of plates 57 that sandwich the bracket 30 and the arm portion 32, a plurality of mounting holes 58 provided in the plurality of plates 57, and bolts 59 and nuts. The arm portion 32 has a plurality of mounting holes 60. The heights of the two mounting holes 31 and the heights of the two mounting holes 60 are different. The mounting hole 31 located above the two mounting holes 31 is located above the mounting hole 60 located above the two mounting holes 60. The mounting hole 31 located below the two mounting holes 31 is located above the mounting hole 60 located below the two mounting holes 60.

A plurality of bolts 59 are inserted into the mounting holes 31 and 58 and screwed into the nut, and the bolts 59 are tightened. Further, a plurality of bolts 59 are inserted into the mounting holes 58 and 60 and screwed into the nut, and the bolts 59 are tightened. In this way, the bracket 30 and the arm portion 32 are connected and fixed. The first end of the drive shaft 61 is connected to the front wheel 14, and the second end of the drive shaft 61 is differentially connected. Further, the nut 29 is screwed into the shaft portion of the bolt 24, the nut 29 is tightened, and the upper plate 23 is fixed to the vehicle body 52. The weight of the vehicle body 52 is applied to the front wheels 14 via the coil spring 19, the bracket 30, the vehicle height setting device 56, and the wheel support portion 16. Therefore, the coil spring 19 receives a compressive load.

The rear suspension 53 is a leaf spring type suspension, and as shown in FIGS. 4 and 6A and 6B, the rear suspension 53 includes a leaf spring 63, a shock absorber 64, and a vehicle height setting device 65. The leaf spring 63 is connected to the vehicle body 52 by a hanger pin 66 located on the front side in the front-rear direction of the vehicle body 52, and is connected to the vehicle body 52 by a shackle pin 67 located on the rear side in the front-rear direction of the vehicle body 52. The rear wheels 35 are attached to wheel support portions 69 provided at both ends of the rear axle 68. A differential is provided inside the rear axle 68, and the rear end of the propeller shaft 71 is connected to a companion flange 70 provided on the differential pinion shaft.

The axle accommodating portion 72 of the rear axle 68 is arranged substantially horizontally, and the plate portion 73 is fixed to the upper end of the axle accommodating portion 72. A positioning recess 74 is provided on the upper surface of the plate portion 73. The support shaft 75 projects substantially horizontally from the plate portion 73. A male screw is provided at the tip of the support shaft 75. The support surface 80 of the plate portion 73 is flat. The vehicle height setting device 65 has a block 76 and a bracket 77. The block 76 is made of metal and has a contact surface 78 and a support surface 79. As shown in FIG. 6B, the contact surface 78 is flat in the side view of the vehicle height setting device 65, and the positioning protrusion 81 projects from the contact surface 78. The support surface 79 is flat, and the support surface 79 is inclined at an angle E1 with respect to the contact surface 78.

The contact surface 78 is in contact with the support surface 80 with the block 76 placed on the support surface 80 and the protrusion 81 arranged in the recess 74. Two U-bolts 82 are provided, and the U-bolts 82 are arranged from the lower side to the upper side of the axle accommodating portion 72. A metal retainer plate 83 is provided on the leaf spring 63. The tip of the U bolt 82 is inserted into the mounting hole of the retainer plate 83. Then, the nut 84 is attached to the male screw of the U bolt 82, and the nut 84 is tightened. In this way, the nut 84 is tightened against the U bolt 82, the plate portion 73 is pressed against the block 76, and the leaf spring 63 is sandwiched between the retainer plate 83 and the block 76 as shown in FIG. 6A. ing.

Further, the bracket 77 is attached to the lower end of the shock absorber 64. The bracket 77 is made of metal, and the bracket 77 is attached to the shock absorber 64 by bolts 85 and nuts 86. The bracket 77 has a ring portion 87, a support shaft 75 is inserted into the ring portion 87, a nut 89 is attached to the support shaft 75 via an annular plate 88, the nut 89 is tightened, and the bracket 77 is a plate. It is connected to the portion 73.

The vehicle 10 shown in FIG. 4 is provided with vehicle height setting devices 56 and 65, and the distance from the ground 34 to the upper end of the vehicle body 52 is set to the vehicle height H3. In the present disclosure, the vehicle height H3 is set by providing the vehicle height setting device 56 on the front suspension 12 and the vehicle height setting device 65 on the rear suspension 53. The vehicle height H3 is higher than the vehicle height H4 assuming that the vehicle height setting devices 56 and 65 are not attached. The difference between the vehicle height H3 and the vehicle height H4 is, for example, 4 cm or less, which also conforms to the safety standards stipulated by the Road Transport Vehicle Law.

Further, the vehicle height setting device 56 of the present disclosure can use the existing front suspension 12, and the vehicle height setting device 65 can set the vehicle height H3 by using the existing rear suspension 53. Therefore, the genuine coil spring 19, shock absorber 64, leaf spring 63, etc. can be used as they are, and the same effect as that of the first embodiment can be obtained.

Further, as shown in FIG. 6B, the support surface 79 is inclined at an angle E1 with respect to the contact surface 78, and the thickness of the block 76 is increased as it approaches the shackle pin 67. Therefore, as shown in FIG. 6A, the rear axle 68 is stopped in a phase rotated clockwise within a predetermined angle range about the center X1 of the wheel support portion 69. Therefore, in the side view of the rear suspension 53, it is possible to maintain a state in which the virtual line P1 indicating the rotation center of the propeller shaft 71 and the center X1 intersect.

24 ... Bolt (positioning mechanism), 25, 50, 56, 65 ... Vehicle height setting device, 26 ... Spacer, 27 ... Nut (positioning mechanism), 43 ... Mount part (positioning mechanism), 46, 77 ... Bracket, 47, 59, 85 ... Bolt (fixing element), 57 ... Plate, 76 ... Block, 78 ... Contact surface, 79 ... Support surface, 86 ... Nut (fixing element)

Claims (4)

A spacer provided between the coil spring of the suspension provided on the vehicle body and the vehicle body, and which positions the vehicle body and the wheels in the height direction of the vehicle body.
A positioning mechanism that positions the spacer with respect to the suspension in a direction intersecting the height direction,
Vehicle height setting device. A bracket that is attached to a shock absorber provided on the vehicle body and that positions the vehicle body and wheels in the height direction of the vehicle body.
A fixing element that connects the bracket to the shock absorber,
Vehicle height setting device. A plurality of plates connecting the suspension struts provided on the vehicle body and the wheel support portions that support the wheels,
A fixing element for fixing the plurality of plates to the strut and the wheel support portion,
Vehicle height setting device. In the vehicle height setting device according to claim 1 or 3,
A block interposed between the leaf spring provided on the vehicle body and the base portion assembled by the U bolt together with the leaf spring.
A contact surface provided on the block and in contact with the plate portion of the rear axle,
A support surface provided on the block and in contact with the leaf spring,
Have,
A vehicle height setting device in which the support surface is inclined with respect to the contact surface.

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