WO2020129654A1 - Suspension device - Google Patents
Suspension device Download PDFInfo
- Publication number
- WO2020129654A1 WO2020129654A1 PCT/JP2019/047516 JP2019047516W WO2020129654A1 WO 2020129654 A1 WO2020129654 A1 WO 2020129654A1 JP 2019047516 W JP2019047516 W JP 2019047516W WO 2020129654 A1 WO2020129654 A1 WO 2020129654A1
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- WO
- WIPO (PCT)
- Prior art keywords
- spring guide
- cylinder
- suspension device
- shock absorber
- bump
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/58—Stroke limiting stops, e.g. arranged on the piston rod outside the cylinder
Definitions
- the present invention relates to a suspension device.
- a strut-type damper having coil springs arranged concentrically around a shock absorber is known (see US20160023529A1).
- the coil spring is arranged between the upper spring seat and the lower spring seat of the damper.
- the lower spring seat (spring guide) includes an annular member that supports the coil spring, and a tubular member that extends from the annular member.
- the tubular member is arranged around the outer tube of the shock absorber. The end of the tubular member abuts a support ring welded to the outer tube.
- the suspension device described in US20160023529A1 is used with the spring guide sandwiched between the coil spring and the support ring. Therefore, the spring guide does not come off the cylinder of the shock absorber during use of the suspension device.
- the present invention aims to improve the efficiency of the assembly work of the suspension device.
- a suspension device including a cylinder and a rod protruding from the cylinder, the shock absorber provided between a vehicle body and a wheel, and an upper mount attached to a tip of the rod.
- a spring guide attached to the outer peripheral surface of the cylinder; a coil spring provided between the spring guide and the upper mount to elastically support the vehicle body; and a bump cap attached to the end of the cylinder.
- a bump stopper that is attached to the rod and that restricts the stroke of the shock absorber on the contraction side by hitting the bump cap when the shock absorber contracts by a predetermined amount; and
- the bump cap has a through hole that is inserted, and the bump cap has a restricting portion that abuts against the spring guide and restricts axial movement of the spring guide.
- FIG. 1 is a partial sectional view of a suspension device according to an embodiment of the present invention.
- FIG. 2 is a perspective view of the spring guide according to the embodiment of the present invention.
- FIG. 3 is an enlarged schematic sectional view showing an enlarged contact portion between the spring guide and the bump cap according to the embodiment of the present invention.
- FIG. 4 is a diagram for explaining how to carry the intermediate assembly.
- FIG. 5A is an enlarged schematic sectional view showing an enlarged contact portion between the spring guide and the bump cap according to Modification 1-1 of the embodiment of the present invention.
- FIG. 5B is an enlarged schematic sectional view showing an enlarged contact portion between the spring guide and the bump cap according to Modification 1-2 of the embodiment of the present invention.
- FIG. 5A is an enlarged schematic sectional view showing an enlarged contact portion between the spring guide and the bump cap according to Modification 1-1 of the embodiment of the present invention.
- FIG. 5B is an enlarged schematic sectional view showing an enlarged contact portion between the spring guide and the bump
- FIG. 6A is an enlarged schematic sectional view showing an enlarged contact portion between the spring guide and the bump cap according to Modification 1-3 of the embodiment of the present invention.
- FIG. 6B is an enlarged schematic cross-sectional view showing an enlarged contact portion between the spring guide and the bump cap according to Modification 1-4 of the embodiment of the present invention.
- FIG. 7A is a schematic plan view of the cylindrical portion of the spring guide according to Modification 2-1 of the embodiment of the present invention, as seen from above.
- FIG. 7B is a schematic plan view of the bump cap according to Modification 2-2 of the embodiment of the present invention as viewed from below.
- a suspension device 10 according to an embodiment of the present invention will be described with reference to the drawings.
- FIG. 1 is a partial cross-sectional view of the suspension device 10.
- a suspension device 10 is attached to an automobile (not shown) to position wheels (not shown) and generate a damping force to absorb shocks and vibrations received from a road surface while the vehicle is running. It is a device that stably suspends the vehicle body.
- the suspension device 10 includes a strut-type shock absorber 1 provided between a vehicle body and wheels, an upper mount 2 attached to a tip of a piston rod (hereinafter, referred to as a rod) 1a of the shock absorber 1, and a shock absorber 1 of the shock absorber 1.
- a spring guide 100 attached to the outer peripheral surface of the cylinder 1b, a coil spring 4 provided between the spring guide 100 and the upper mount 2 for elastically supporting the vehicle body, and a compression side of the shock absorber 1 fitted on the rod 1a.
- a bump stopper 5 for restricting the stroke, a bump cap 160 as a cap member fitted to the end portion of the cylinder 1b on the rod 1a side, and a dust boot 7 as a tubular cover member for protecting the rod 1a are provided.
- the shock absorber 1 has a cylinder 1b and a cylindrical rod 1a protruding from an opening 142 (see FIG. 3) of the cylinder 1b.
- the shock absorber 1 is a double-cylinder type shock absorber, and the cylinder 1b has a bottomed cylindrical outer tube 11o that forms an outer shell of the cylinder 1b and an inner tube 11i provided inside the outer tube 11o (see FIG. 3). ), and have.
- a piston (not shown) that divides the inner tube 11i into an expansion side chamber and a compression side chamber is connected to the lower end of the rod 1a.
- the rod 1a is slidably supported by a rod holding portion 145 (see FIG. 3) provided at the open end of the outer tube 11o.
- the rod holding portion 145 has a laminated structure in which a dust seal, an oil seal, a bearing and the like are laminated.
- the rod holding portion 145 and the inner tube 11i are axially clamped by a caulking portion 141 (see FIG. 3) formed by crimping the upper end portion of the outer tube 11o inward and the bottom portion of the outer tube 11o.
- a bracket 1c for connecting a hub carrier (not shown) holding a wheel and the shock absorber 1 is provided at the end of the cylinder 1b opposite to the rod 1a side.
- the upper mount 2 side is defined as the upper side of the suspension device 10
- the bracket 1c side is defined as the lower side of the suspension device 10
- the vertical direction is defined as shown in the figure.
- the vertical direction of the suspension device 10 is the axial direction (center axis direction) of the suspension device 10 and the expansion/contraction direction of the shock absorber 1.
- the radial direction of the suspension device 10 (the radial direction of the shock absorber 1) is orthogonal to the axial direction of the suspension device 10.
- the shock absorber 1 is connected to the vehicle body via the upper mount 2 and is also attached to the vehicle by being connected to the hub carrier by the bracket 1c.
- the shock absorber 1 configured as described above is configured to generate a damping force when the rod 1a moves in the axial direction (vertical direction in FIG. 1) with respect to the cylinder 1b.
- the suspension device 10 quickly damps the vibration of the vehicle body by the damping force of the shock absorber 1.
- the coil spring 4 is sandwiched in a compressed state between the upper mount 2 and the spring guide 100, and urges the shock absorber 1 in the extension direction.
- a rubber sheet 8 is provided between the upper mount 2 and the coil spring 4.
- An arc-shaped rubber sheet 40 is provided between the spring guide 100 and the coil spring 4. This prevents the spring guide 100 and the coil spring 4 from directly contacting each other.
- FIG. 2 is a perspective view of the spring guide 100.
- the spring guide 100 is a resin-made dish-shaped member fixed to the outer periphery of the cylinder 1b.
- the spring guide 100 includes a disk-shaped base portion 110 that supports the coil spring 4, a side wall 111 that extends from the outer edge of the base portion 110 to the upper side (upper mount 2 side), and the base portion 110 that serves as an axis of the suspension device 10. Is formed so as to pass through in the direction (vertical direction) and is an opening through which the cylinder 1b of the shock absorber 1 is inserted, and an insertion hole 120 that projects upward and downward from the base 110 and surrounds the insertion hole 120.
- a cylindrical tubular portion 112 and a bottomed cylindrical hub 113 are provided.
- the periphery of the hub 113 in the base 110 is an attachment area to which the rubber sheet 40 is attached.
- the base portion 110 is provided with a position regulating portion (not shown) that regulates the position of the rubber sheet 40.
- the rubber sheet 40 is formed of a material having elasticity such as rubber.
- the rubber sheet 40 is provided with a seating portion 40a (see FIG. 1) which is curved so that its cross section follows the cross sectional shape of the coil spring 4.
- the spring guide 100 is formed with a plurality of through holes (not shown) to reduce the weight and drain water accumulated in the base 110.
- the cylindrical portion 112 protruding in the axial direction from the base portion 110 has a circular insertion hole 120 on the inner periphery thereof. As shown in FIG. 1, when the spring guide 100 is fixed to the outer circumference of the cylinder 1b, the insertion hole 120 is formed at a position eccentric to the vehicle body side from the center of the spring guide 100.
- a metal support ring 3 is fixed to the outer periphery of the cylinder 1b by welding.
- the spring guide 100 is fixed to the outer periphery of the cylinder 1b by inserting the insertion hole 120 into the outer periphery of the cylinder 1b and supporting the lower end of the cylindrical portion 112 of the spring guide 100 by the support ring 3.
- the fit between the cylinder 1b and the insertion hole 120 may be a "clearance fit” or "a clearance fit”. It may be a "shrink fit”.
- the "tight fit” is adopted, there is no play between the insertion hole 120 and the cylinder 1b, and it is possible to prevent the generation of noise due to the play. Further, the responsiveness of the operation of the suspension device 10 can be improved.
- the spring guide 100 is attached to the cylinder 1b by being fitted into the cylinder 1b from above and coming into contact with the support ring 3.
- the cylinder 1b is inserted from the lower opening end 125L of the insertion hole 120 of the spring guide 100. That is, the lower opening end 125L is an inlet into which the cylinder 1b is inserted, and the upper end of the cylinder 1b projects from the upper opening end 125U, which is the opening end opposite to the lower opening end 125L.
- the insertion hole 120 is provided with a rib 122 as a convex portion that protrudes radially inward from the inner peripheral surface 121 thereof.
- the rib 122 functions as a support portion that supports the outer peripheral surface of the cylinder 1b of the shock absorber 1.
- Each rib 122 is provided linearly along the axial direction of the insertion hole 120 (that is, the axial direction of the suspension device 10).
- the rib 122 is formed, for example, so that its cross-sectional shape is a rounded trapezoidal shape or a semicircular shape, and is in line contact with the outer peripheral surface of the cylinder 1b.
- a plurality of ribs 122 are arranged at equal intervals along the circumferential direction of the insertion hole 120. Therefore, the spring guide 100 is positioned such that the central axis of the insertion hole 120 matches the central axis of the cylinder 1b.
- the bump stopper 5 is formed of an elastic material such as rubber or resin having elasticity.
- the bump stopper 5 is attached to the rod 1a, and hits the bump cap 160 when the shock absorber 1 contracts by a predetermined amount to restrict the stroke of the shock absorber 1 on the contracting side.
- the bump stopper 5 comes into contact with the bump cap 160 and elastically deforms.
- FIG. 3 is an enlarged schematic sectional view showing an enlarged contact portion between the spring guide 100 and the bump cap 160.
- the bump cap 160 is attached to the end (upper end) of the cylinder 1b on the rod 1a side so as to cover the opening 142 of the outer tube 11o.
- the bump cap 160 is made of resin.
- the bump cap 160 is made of a material that is more flexible than the spring guide 100.
- the elastic modulus (Young's modulus) of the material of the bump cap 160 is lower than the elastic modulus (Young's modulus) of the material of the spring guide 100.
- the bump cap 160 has a cylindrical fitting portion 161, and an annular ring-shaped portion 164 extending from the upper end of the fitting portion 161 toward the inside in the radial direction.
- the upper end of the cylinder 1b is press fitted into the inner circumference of the fitting part 161.
- the bump cap 160 is attached to the upper end of the cylinder 1b in a state where the lower end of the fitting portion 161 is in contact with the upper end of the tubular portion 112 of the spring guide 100.
- the spring guide 100 is axially sandwiched by the support ring 3 (see FIG. 1) and the bump cap 160. That is, the fitting portion 161 contacts the upper end portion of the cylindrical portion 112 of the spring guide 100, and functions as a regulating portion that regulates the axial movement of the spring guide 100 with respect to the cylinder 1b.
- the intermediate assembly 90 in which the spring guide 100 is fitted to the cylinder 1b of the shock absorber 1 is lifted by the lifting tool 91 and transported to a predetermined place. There is.
- the coil spring 4, the upper mount 2, the bump stopper 5 and the like are not attached to the intermediate assembly 90.
- the hoisting tool 91 supports the base portion 110 of the spring guide 100 so as to be lifted from below, and hoists the intermediate assembly 90.
- the upper end of the cylindrical portion 112 of the spring guide 100 is in contact with the lower end of the fitting portion 161 of the bump cap 160. Therefore, even when an upward external force is applied to the spring guide 100 from the suspending tool 91, the spring guide 100 can be prevented from coming off the cylinder 1b.
- Vehicles are used in various environments. For example, when the vehicle runs in an area with a lot of snow, the suspension device 10 may come into contact with water containing a snow melting agent.
- the snow melting agent contains calcium chloride. Therefore, if water containing calcium chloride enters between the outer periphery of the cylinder 1b and the inner periphery of the insertion hole 120, the inner periphery of the insertion hole 120 may be deteriorated and damaged.
- the lower end surface of the fitting portion 161 of the bump cap 160 is in contact with the entire circumference of the upper opening edge portion of the insertion hole 120 (the end surface of the tubular portion 112). ..
- the bump cap 160 is in close contact with the upper opening edge of the insertion hole 120 of the spring guide 100 and closes the gap between the outer periphery of the cylinder 1b and the insertion hole 120.
- the bump cap 160 can prevent foreign matter such as sand and water from entering the gap between the cylinder 1b and the insertion hole 120. Therefore, it is possible to prevent deterioration and damage due to foreign matter entering the gap between the outer circumference of the cylinder 1b and the inner circumference of the insertion hole 120.
- tubular portion 112 of the spring guide 100 and the tubular fitting portion 161 of the bump cap 160 are in contact with each other. Therefore, when an external force is applied to the spring guide 100 from the lower side to the upper side, the load acting on the tubular portion 112 of the spring guide 100 can be made uniform in the circumferential direction.
- the spring guide 100 can be effectively prevented from coming off the cylinder 1b.
- the bump cap 160 regulates only the axial movement of the spring guide 100 in the above embodiment, the present invention is not limited to this. As described below, the bump caps 260 and 360 may restrict the radial movement of the spring guides 200 and 300.
- the lower end surface 261a of the fitting portion 261 of the bump cap 260 and the upper end surface 212a of the tubular portion 212 of the spring guide 200 are inclined with respect to a plane orthogonal to the axial direction of the suspension device 10. It may be an inclined surface.
- the lower end surface 261a of the fitting portion 261 is inclined so that the inner diameter of the fitting portion 261 gradually increases downward.
- the upper end surface 212a of the tubular portion 212 is inclined so that the outer diameter of the tubular portion 212 gradually decreases upward. That is, the inclined surfaces of the fitting portion 261 and the cylindrical portion 212 that are in contact with each other are inclined downward in the radial direction.
- the lower end surface 261a of the fitting portion 261 and the upper end surface 212a of the tubular portion 212 have the same inclination angle with respect to the plane orthogonal to the axial direction, and the lower end surface 261a and the upper end surface 212a are in surface contact with each other.
- Both of the end faces 212a are inclined faces that are inclined with respect to a plane orthogonal to the axial direction. Therefore, in the present modification, the bump cap 260 restricts the movement of the spring guide 200 in the axial direction and the radial direction.
- the spring guide 200 is fitted into the cylinder 1b and placed on the support ring 3. Then, the bump cap 260 is pressed into the upper end of the cylinder 1b. At this time, the lower end surface 261a of the fitting portion 261 and the upper end surface 212a of the tubular portion 212 contact each other, so that the central axis of the insertion hole 120 of the spring guide 200 matches the central axis of the cylinder 1b. 200 moves and is properly positioned. That is, according to this modification, the positioning accuracy of the spring guide 200 with respect to the cylinder 1b can be improved.
- the lower end surface 261a of the fitting portion 261 of the bump cap 260 is an inclined surface, while the upper end surface 312a of the tubular portion 312 of the spring guide 300 is convex upward. It is a curved surface.
- the upper end surface 212a of the tubular portion 212 of the spring guide 200 is an inclined surface, while the lower end surface 361a of the fitting portion 361 of the bump cap 360 is convex downward. Is a curved surface.
- the same effect as the modified example 1-1 and the modified example 1-2 can be obtained. Can be obtained.
- the outer circumference of the cylinder 1b is different from that of the modified example 1-3 and the modified example 1-4. It is possible to more effectively prevent foreign matter from entering the gap between the inner periphery of the insertion hole 120 and the inner periphery of the insertion hole 120.
- the cylindrical portion 412 of the spring guide 400 is provided with a plurality of protrusions 412b that protrude upward from the upper opening edge of the insertion hole 120, and the protrusions 412b are brought into contact with the bump cap 160. You may
- the bump cap 460 may be provided with a plurality of protrusions 461b that protrude downward from the lower end surface of the fitting portion 161, and the protrusions 461b may be brought into contact with the tubular portion 112.
- the protruding portion 461b functions as a restricting portion that contacts the spring guide 100 and restricts the axial movement of the spring guide 100.
- the spring guide 100 is made of resin
- the present invention is not limited to this.
- the spring guide 100 may be made of metal.
- the cross-sectional shape of the rib 122 is not limited to the above embodiment. Various shapes can be adopted as the cross-sectional shape of the rib 122.
- the cross-sectional shape of the rib 122 may be a rounded triangular shape.
- the suspension device 10 includes a cylinder 1b and a rod 1a protruding from the cylinder 1b, a shock absorber 1 provided between a vehicle body and a wheel, an upper mount 2 attached to a tip of the rod 1a, and an outer circumference of the cylinder 1b.
- the spring guides 100, 200, 300, 400 attached to the surface, the coil spring 4 provided between the spring guides 100, 200, 300, 400 and the upper mount 2 for elastically supporting the vehicle body, and the end of the cylinder 1b.
- the spring guides 100, 200, 300, 400 have insertion holes 120 through which the shock absorber 1 is inserted, and the bump caps 160, 260, 360, 460 are spring guides 100. , 200, 300, 400, and restricting portions (fitting portions 161, 261, 361, protruding portion 461b) for restricting axial movement of the spring guides 100, 200, 300, 400.
- the bump caps 160, 260, 360 close the gap between the cylinder 1b and the insertion hole 120.
- the bump caps 160, 260, 360 can prevent foreign matter such as sand and water from entering the gap between the cylinder 1b and the insertion hole 120.
- the restriction part (fitting parts 261 and 361) restricts the radial movement of the spring guides 200 and 300.
- At least one of the surface of the restricting portion (fitting portion 261) that contacts the spring guides 200 and 300 and the surface of the spring guide 200 that contacts the restricting portions (fitting portions 261 and 361) has a shaft. It is an inclined surface inclined with respect to a plane orthogonal to the direction.
- the spring guides 100, 200, 300 have cylindrical tubular portions 112, 212, 312 having an inner periphery serving as an insertion hole 120, and the restriction portions (fitting portions 161, 261, 361) are , Tubular, and the ends of the restriction portions (fitting portions 161, 261, 361) contact the ends of the tubular portions 112, 212, 312, whereby the spring guides 100, 200, 300 move in the axial direction. Is regulated.
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- Fluid-Damping Devices (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
A suspension device (10) comprises: a bump cap (160) that is attached to the end of a cylinder (1b); and a bump stopper (5) that is attached to a rod (1a), and that restricts the compression-side stroke of a shock absorber (1) by hitting the bump cap (160) when the shock absorber (1) is compressed by a prescribed amount. A spring guide (100) has an insertion hole (120) into which the shock absorber (1) is inserted, and the bump cap (160) has a restricting section (161) that restricts axial direction movement of the spring guide (100) by abutting the spring guide (100).
Description
本発明は、サスペンション装置に関する。
The present invention relates to a suspension device.
ショックアブソーバのまわりに同心円状に配設されるコイルスプリングを備えたストラット型のダンパ(サスペンション装置)が知られている(US20160023529A1参照)。コイルスプリングは、ダンパのアッパースプリングシートとロアスプリングシートとの間に配置される。ロアスプリングシート(スプリングガイド)は、コイルスプリングを支持する環状部材と、環状部材から延在する管状部材と、を備える。管状部材は、ショックアブソーバのアウターチューブの周囲に配置される。管状部材の端部は、アウターチューブに溶接された支持リングに当接する。
A strut-type damper (suspension device) having coil springs arranged concentrically around a shock absorber is known (see US20160023529A1). The coil spring is arranged between the upper spring seat and the lower spring seat of the damper. The lower spring seat (spring guide) includes an annular member that supports the coil spring, and a tubular member that extends from the annular member. The tubular member is arranged around the outer tube of the shock absorber. The end of the tubular member abuts a support ring welded to the outer tube.
US20160023529A1に記載のサスペンション装置は、スプリングガイドがコイルスプリングと支持リングとの間で挟まれた状態で使用される。このため、サスペンション装置の使用中に、スプリングガイドがショックアブソーバのシリンダから外れてしまうことはない。
The suspension device described in US20160023529A1 is used with the spring guide sandwiched between the coil spring and the support ring. Therefore, the spring guide does not come off the cylinder of the shock absorber during use of the suspension device.
しかしながら、サスペンション装置を組み立てる際、ショックアブソーバのシリンダにスプリングガイドを嵌合させた状態であって、コイルスプリングが取り付けられる前の状態では、スプリングガイドに外力が作用することにより、スプリングガイドがショックアブソーバから外れてしまうおそれがある。その結果、サスペンション装置の組み立て作業の効率が悪化するおそれがある。
However, when assembling the suspension device, when the spring guide is fitted to the cylinder of the shock absorber, and before the coil spring is attached, external force acts on the spring guide, so that the spring guide is attached to the spring guide. There is a risk of coming off. As a result, the efficiency of the assembly work of the suspension device may deteriorate.
本発明は、サスペンション装置の組み立て作業の効率を向上することを目的とする。
The present invention aims to improve the efficiency of the assembly work of the suspension device.
本発明のある態様によれば、サスペンション装置であって、シリンダと前記シリンダから突出するロッドとを有し、車体と車輪との間に設けられるショックアブソーバと、前記ロッドの先端に取り付けられるアッパーマウントと、前記シリンダの外周面に取り付けられるスプリングガイドと、前記スプリングガイドと前記アッパーマウントとの間に設けられ、前記車体を弾性支持するコイルスプリングと、前記シリンダの端部に取り付けられるバンプキャップと、前記ロッドに取り付けられ、前記ショックアブソーバが所定量だけ収縮したときに前記バンプキャップに当たることにより前記ショックアブソーバの縮み側のストロークを規制するバンプストッパと、を備え、前記スプリングガイドは、前記ショックアブソーバが挿通する挿通孔を有し、前記バンプキャップは、前記スプリングガイドに当接し前記スプリングガイドの軸方向の移動を規制する規制部を有する。
According to an aspect of the present invention, there is provided a suspension device including a cylinder and a rod protruding from the cylinder, the shock absorber provided between a vehicle body and a wheel, and an upper mount attached to a tip of the rod. A spring guide attached to the outer peripheral surface of the cylinder; a coil spring provided between the spring guide and the upper mount to elastically support the vehicle body; and a bump cap attached to the end of the cylinder. A bump stopper that is attached to the rod and that restricts the stroke of the shock absorber on the contraction side by hitting the bump cap when the shock absorber contracts by a predetermined amount; and The bump cap has a through hole that is inserted, and the bump cap has a restricting portion that abuts against the spring guide and restricts axial movement of the spring guide.
図面を参照して、本発明の実施形態に係るサスペンション装置10について説明する。
A suspension device 10 according to an embodiment of the present invention will be described with reference to the drawings.
図1は、サスペンション装置10の部分断面図である。図1に示すように、サスペンション装置10は、自動車(図示せず)に取り付けられ、車輪(図示せず)を位置決めするとともに減衰力を発生させて車両走行中に路面から受ける衝撃や振動を吸収して車体を安定的に懸架する装置である。
FIG. 1 is a partial cross-sectional view of the suspension device 10. As shown in FIG. 1, a suspension device 10 is attached to an automobile (not shown) to position wheels (not shown) and generate a damping force to absorb shocks and vibrations received from a road surface while the vehicle is running. It is a device that stably suspends the vehicle body.
サスペンション装置10は、車体と車輪との間に設けられるストラット式のショックアブソーバ1と、ショックアブソーバ1のピストンロッド(以下、ロッドと記す)1aの先端に取り付けられるアッパーマウント2と、ショックアブソーバ1のシリンダ1bの外周面に取り付けられるスプリングガイド100と、スプリングガイド100とアッパーマウント2との間に設けられ、車体を弾性支持するコイルスプリング4と、ロッド1aに嵌装されショックアブソーバ1の縮み側のストロークを規制するバンプストッパ5と、シリンダ1bのロッド1a側の端部に嵌装されるキャップ部材としてのバンプキャップ160と、ロッド1aを保護する筒状のカバー部材としてのダストブーツ7と、を備える。
The suspension device 10 includes a strut-type shock absorber 1 provided between a vehicle body and wheels, an upper mount 2 attached to a tip of a piston rod (hereinafter, referred to as a rod) 1a of the shock absorber 1, and a shock absorber 1 of the shock absorber 1. A spring guide 100 attached to the outer peripheral surface of the cylinder 1b, a coil spring 4 provided between the spring guide 100 and the upper mount 2 for elastically supporting the vehicle body, and a compression side of the shock absorber 1 fitted on the rod 1a. A bump stopper 5 for restricting the stroke, a bump cap 160 as a cap member fitted to the end portion of the cylinder 1b on the rod 1a side, and a dust boot 7 as a tubular cover member for protecting the rod 1a are provided. Prepare
ショックアブソーバ1は、シリンダ1bと、シリンダ1bの開口部142(図3参照)から突出する円柱状のロッド1aと、を有する。ショックアブソーバ1は、複筒型のショックアブソーバであり、シリンダ1bは、シリンダ1bの外郭を構成する有底円筒状のアウターチューブ11oと、アウターチューブ11oの内側に設けられるインナーチューブ11i(図3参照)と、を有する。ロッド1aの下端部には、インナーチューブ11i内を伸側室と圧側室とに区画するピストン(不図示)が連結されている。
The shock absorber 1 has a cylinder 1b and a cylindrical rod 1a protruding from an opening 142 (see FIG. 3) of the cylinder 1b. The shock absorber 1 is a double-cylinder type shock absorber, and the cylinder 1b has a bottomed cylindrical outer tube 11o that forms an outer shell of the cylinder 1b and an inner tube 11i provided inside the outer tube 11o (see FIG. 3). ), and have. A piston (not shown) that divides the inner tube 11i into an expansion side chamber and a compression side chamber is connected to the lower end of the rod 1a.
ロッド1aは、アウターチューブ11oの開口端部に設けられるロッド保持部145(図3参照)により、摺動自在に支持される。ロッド保持部145は、ダストシール、オイルシール、軸受等が積層された積層構造とされる。ロッド保持部145及びインナーチューブ11iは、アウターチューブ11oの上端部を内側にかしめることにより形成されるかしめ部141(図3参照)と、アウターチューブ11oの底部とによって軸方向に挟持される。
The rod 1a is slidably supported by a rod holding portion 145 (see FIG. 3) provided at the open end of the outer tube 11o. The rod holding portion 145 has a laminated structure in which a dust seal, an oil seal, a bearing and the like are laminated. The rod holding portion 145 and the inner tube 11i are axially clamped by a caulking portion 141 (see FIG. 3) formed by crimping the upper end portion of the outer tube 11o inward and the bottom portion of the outer tube 11o.
図1に示すように、シリンダ1bのロッド1a側とは反対側の端部には、車輪を保持するハブキャリア(図示せず)とショックアブソーバ1とを連結するためのブラケット1cが設けられる。説明の便宜上、アッパーマウント2側をサスペンション装置10の上側、ブラケット1c側をサスペンション装置10の下側として上下方向を図示するように規定する。なお、サスペンション装置10の上下方向は、サスペンション装置10の軸方向(中心軸方向)であり、ショックアブソーバ1の伸縮方向である。また、サスペンション装置10の径方向(ショックアブソーバ1の径方向)は、サスペンション装置10の軸方向に直交する。
As shown in FIG. 1, a bracket 1c for connecting a hub carrier (not shown) holding a wheel and the shock absorber 1 is provided at the end of the cylinder 1b opposite to the rod 1a side. For convenience of explanation, the upper mount 2 side is defined as the upper side of the suspension device 10 and the bracket 1c side is defined as the lower side of the suspension device 10 and the vertical direction is defined as shown in the figure. The vertical direction of the suspension device 10 is the axial direction (center axis direction) of the suspension device 10 and the expansion/contraction direction of the shock absorber 1. The radial direction of the suspension device 10 (the radial direction of the shock absorber 1) is orthogonal to the axial direction of the suspension device 10.
ショックアブソーバ1は、アッパーマウント2を介して車体に連結されるとともに、ブラケット1cによりハブキャリアに連結されて車両に組み付けられる。このように構成されたショックアブソーバ1は、ロッド1aがシリンダ1bに対して軸方向(図1の上下方向)に移動したときに、減衰力が発生するように構成されている。サスペンション装置10は、このショックアブソーバ1の減衰力によって車体の振動を素早く減衰させる。
The shock absorber 1 is connected to the vehicle body via the upper mount 2 and is also attached to the vehicle by being connected to the hub carrier by the bracket 1c. The shock absorber 1 configured as described above is configured to generate a damping force when the rod 1a moves in the axial direction (vertical direction in FIG. 1) with respect to the cylinder 1b. The suspension device 10 quickly damps the vibration of the vehicle body by the damping force of the shock absorber 1.
コイルスプリング4は、アッパーマウント2とスプリングガイド100との間に圧縮状態で挟持され、ショックアブソーバ1を伸長方向に付勢する。アッパーマウント2とコイルスプリング4との間にはラバーシート8が設けられる。これにより、アッパーマウント2とコイルスプリング4とが直接当接しないようになっている。スプリングガイド100とコイルスプリング4との間には円弧状のラバーシート40が設けられる。これにより、スプリングガイド100とコイルスプリング4とが直接当接しないようになっている。
The coil spring 4 is sandwiched in a compressed state between the upper mount 2 and the spring guide 100, and urges the shock absorber 1 in the extension direction. A rubber sheet 8 is provided between the upper mount 2 and the coil spring 4. As a result, the upper mount 2 and the coil spring 4 do not come into direct contact with each other. An arc-shaped rubber sheet 40 is provided between the spring guide 100 and the coil spring 4. This prevents the spring guide 100 and the coil spring 4 from directly contacting each other.
図2は、スプリングガイド100の斜視図である。図1及び図2に示すように、スプリングガイド100は、シリンダ1bの外周に固定される樹脂製の皿状の部材である。スプリングガイド100は、コイルスプリング4を支持する円板状のベース部110と、ベース部110の外縁から上側(アッパーマウント2側)に延在する側壁111と、ベース部110をサスペンション装置10の軸方向(上下方向)に貫通するように設けられ、ショックアブソーバ1のシリンダ1bが挿通する開口部である挿通孔120と、ベース部110から上方及び下方に突出し挿通孔120を囲むように形成される円筒状の筒部112と、有底円筒形状のハブ113と、を備える。
FIG. 2 is a perspective view of the spring guide 100. As shown in FIGS. 1 and 2, the spring guide 100 is a resin-made dish-shaped member fixed to the outer periphery of the cylinder 1b. The spring guide 100 includes a disk-shaped base portion 110 that supports the coil spring 4, a side wall 111 that extends from the outer edge of the base portion 110 to the upper side (upper mount 2 side), and the base portion 110 that serves as an axis of the suspension device 10. Is formed so as to pass through in the direction (vertical direction) and is an opening through which the cylinder 1b of the shock absorber 1 is inserted, and an insertion hole 120 that projects upward and downward from the base 110 and surrounds the insertion hole 120. A cylindrical tubular portion 112 and a bottomed cylindrical hub 113 are provided.
ベース部110におけるハブ113の周囲は、ラバーシート40が取り付けられる取付領域とされる。ベース部110には、ラバーシート40の位置を規制する位置規制部(不図示)が設けられる。ラバーシート40は、ゴムなどの弾性を有する材料によって形成される。ラバーシート40には、その断面がコイルスプリング4の断面形状に沿うように湾曲して形成される着座部40a(図1参照)が設けられる。スプリングガイド100には、軽量化、及びベース部110に溜まった水を抜くために複数の貫通孔(不図示)が形成される。
The periphery of the hub 113 in the base 110 is an attachment area to which the rubber sheet 40 is attached. The base portion 110 is provided with a position regulating portion (not shown) that regulates the position of the rubber sheet 40. The rubber sheet 40 is formed of a material having elasticity such as rubber. The rubber sheet 40 is provided with a seating portion 40a (see FIG. 1) which is curved so that its cross section follows the cross sectional shape of the coil spring 4. The spring guide 100 is formed with a plurality of through holes (not shown) to reduce the weight and drain water accumulated in the base 110.
ベース部110から軸方向に突出する筒部112は、その内周が円形状の挿通孔120とされている。図1に示すように、挿通孔120は、スプリングガイド100をシリンダ1bの外周に固定したときに、スプリングガイド100の中心から車体側に偏心した位置になるように形成される。
The cylindrical portion 112 protruding in the axial direction from the base portion 110 has a circular insertion hole 120 on the inner periphery thereof. As shown in FIG. 1, when the spring guide 100 is fixed to the outer circumference of the cylinder 1b, the insertion hole 120 is formed at a position eccentric to the vehicle body side from the center of the spring guide 100.
シリンダ1bの外周には、金属製の支持リング3が溶接により固定されている。スプリングガイド100は、挿通孔120がシリンダ1bの外周に嵌合され、スプリングガイド100の筒部112の下端部が支持リング3によって支持されることで、シリンダ1bの外周に固定される。
A metal support ring 3 is fixed to the outer periphery of the cylinder 1b by welding. The spring guide 100 is fixed to the outer periphery of the cylinder 1b by inserting the insertion hole 120 into the outer periphery of the cylinder 1b and supporting the lower end of the cylindrical portion 112 of the spring guide 100 by the support ring 3.
なお、シリンダ1bと挿通孔120のはめあい、具体的にはシリンダ1bと挿通孔120に形成されるリブ122(図2参照)とのはめあいは、「すきまばめ」であってもよいし、「しまりばめ」であってもよい。「しまりばめ」を採用する場合、挿通孔120とシリンダ1bとの間のガタがなくなり、ガタによる異音の発生を防止することができる。また、サスペンション装置10の動作の応答性を向上することもできる。
The fit between the cylinder 1b and the insertion hole 120, specifically, the fit between the cylinder 1b and the rib 122 (see FIG. 2) formed in the insert hole 120 may be a "clearance fit" or "a clearance fit". It may be a "shrink fit". When the "tight fit" is adopted, there is no play between the insertion hole 120 and the cylinder 1b, and it is possible to prevent the generation of noise due to the play. Further, the responsiveness of the operation of the suspension device 10 can be improved.
スプリングガイド100は、上方からシリンダ1bに嵌め込まれ、支持リング3に当接することで、シリンダ1bに取り付けられる。換言すれば、シリンダ1bは、スプリングガイド100の挿通孔120の下部開口端125Lから挿入される。つまり、下部開口端125Lは、シリンダ1bが挿入される入口であり、下部開口端125Lの反対側の開口端である上部開口端125Uからシリンダ1bの上端部が突出する。
The spring guide 100 is attached to the cylinder 1b by being fitted into the cylinder 1b from above and coming into contact with the support ring 3. In other words, the cylinder 1b is inserted from the lower opening end 125L of the insertion hole 120 of the spring guide 100. That is, the lower opening end 125L is an inlet into which the cylinder 1b is inserted, and the upper end of the cylinder 1b projects from the upper opening end 125U, which is the opening end opposite to the lower opening end 125L.
図2に示すように、挿通孔120には、その内周面121から径方向内側に向かって突出する凸部としてのリブ122が設けられる。リブ122は、ショックアブソーバ1のシリンダ1bの外周面を支持する支持部として機能する。各リブ122は、挿通孔120の軸方向(すなわち、サスペンション装置10の軸方向)に沿って直線状に設けられる。
As shown in FIG. 2, the insertion hole 120 is provided with a rib 122 as a convex portion that protrudes radially inward from the inner peripheral surface 121 thereof. The rib 122 functions as a support portion that supports the outer peripheral surface of the cylinder 1b of the shock absorber 1. Each rib 122 is provided linearly along the axial direction of the insertion hole 120 (that is, the axial direction of the suspension device 10).
リブ122は、例えば、その断面形状が丸みを帯びた台形状あるいは半円形状となるように形成され、シリンダ1bの外周面に線接触する。リブ122は、挿通孔120の周方向に沿って等間隔で複数配置される。このため、スプリングガイド100は、挿通孔120の中心軸がシリンダ1bの中心軸に一致するように位置決めされる。
The rib 122 is formed, for example, so that its cross-sectional shape is a rounded trapezoidal shape or a semicircular shape, and is in line contact with the outer peripheral surface of the cylinder 1b. A plurality of ribs 122 are arranged at equal intervals along the circumferential direction of the insertion hole 120. Therefore, the spring guide 100 is positioned such that the central axis of the insertion hole 120 matches the central axis of the cylinder 1b.
バンプストッパ5は、弾性を有するゴム、樹脂等の弾性材によって形成される。バンプストッパ5は、ロッド1aに取り付けられ、ショックアブソーバ1が所定量だけ収縮したときにバンプキャップ160に当たることによりショックアブソーバ1の縮み側のストロークを規制する。ショックアブソーバ1の最収縮時には、バンプストッパ5がバンプキャップ160に接触して弾性変形するため、最収縮時の衝撃が緩和される。
The bump stopper 5 is formed of an elastic material such as rubber or resin having elasticity. The bump stopper 5 is attached to the rod 1a, and hits the bump cap 160 when the shock absorber 1 contracts by a predetermined amount to restrict the stroke of the shock absorber 1 on the contracting side. When the shock absorber 1 is in the most contracted state, the bump stopper 5 comes into contact with the bump cap 160 and elastically deforms.
図3は、スプリングガイド100とバンプキャップ160との当接部を拡大して示す拡大断面模式図である。図1及び図3に示すように、バンプキャップ160は、アウターチューブ11oの開口部142を覆うように、シリンダ1bのロッド1a側の端部(上端部)に取り付けられる。バンプキャップ160は、樹脂により形成される。
FIG. 3 is an enlarged schematic sectional view showing an enlarged contact portion between the spring guide 100 and the bump cap 160. As shown in FIGS. 1 and 3, the bump cap 160 is attached to the end (upper end) of the cylinder 1b on the rod 1a side so as to cover the opening 142 of the outer tube 11o. The bump cap 160 is made of resin.
なお、本実施形態では、バンプキャップ160は、スプリングガイド100よりも柔軟性を有する材料により形成される。バンプキャップ160の材料の弾性率(ヤング率)は、スプリングガイド100の材料の弾性率(ヤング率)よりも低い。
In the present embodiment, the bump cap 160 is made of a material that is more flexible than the spring guide 100. The elastic modulus (Young's modulus) of the material of the bump cap 160 is lower than the elastic modulus (Young's modulus) of the material of the spring guide 100.
バンプキャップ160は、円筒状の嵌合部161と、嵌合部161の上端部から径方向内側に向かって延在する円環状の環状部164と、を有する。
The bump cap 160 has a cylindrical fitting portion 161, and an annular ring-shaped portion 164 extending from the upper end of the fitting portion 161 toward the inside in the radial direction.
シリンダ1bの上端部は、嵌合部161の内周に圧入される。バンプキャップ160は、嵌合部161の下端部がスプリングガイド100の筒部112の上端部に当接した状態で、シリンダ1bの上端部に取り付けられる。
The upper end of the cylinder 1b is press fitted into the inner circumference of the fitting part 161. The bump cap 160 is attached to the upper end of the cylinder 1b in a state where the lower end of the fitting portion 161 is in contact with the upper end of the tubular portion 112 of the spring guide 100.
このため、スプリングガイド100は、支持リング3(図1参照)とバンプキャップ160とによって軸方向に挟持される。つまり、嵌合部161は、スプリングガイド100の筒部112の上端部に当接し、シリンダ1bに対するスプリングガイド100の軸方向の移動を規制する規制部として機能する。
Therefore, the spring guide 100 is axially sandwiched by the support ring 3 (see FIG. 1) and the bump cap 160. That is, the fitting portion 161 contacts the upper end portion of the cylindrical portion 112 of the spring guide 100, and functions as a regulating portion that regulates the axial movement of the spring guide 100 with respect to the cylinder 1b.
図4に示すように、サスペンション装置10を組み立てる工程において、ショックアブソーバ1のシリンダ1bにスプリングガイド100を嵌合させた状態の中間組立体90を吊り具91により吊り上げ、所定の場所まで運搬することがある。中間組立体90には、コイルスプリング4、アッパーマウント2、バンプストッパ5等が取り付けられていない。
As shown in FIG. 4, in the process of assembling the suspension device 10, the intermediate assembly 90 in which the spring guide 100 is fitted to the cylinder 1b of the shock absorber 1 is lifted by the lifting tool 91 and transported to a predetermined place. There is. The coil spring 4, the upper mount 2, the bump stopper 5 and the like are not attached to the intermediate assembly 90.
吊り具91は、スプリングガイド100のベース部110を下方から持ち上げるように支持し、中間組立体90を吊り上げる。本実施形態では、スプリングガイド100の筒部112の上端部が、バンプキャップ160の嵌合部161の下端部に当接している。このため、吊り具91からスプリングガイド100に上向きの外力が作用した場合であっても、スプリングガイド100がシリンダ1bから外れてしまうことを防止することができる。
The hoisting tool 91 supports the base portion 110 of the spring guide 100 so as to be lifted from below, and hoists the intermediate assembly 90. In the present embodiment, the upper end of the cylindrical portion 112 of the spring guide 100 is in contact with the lower end of the fitting portion 161 of the bump cap 160. Therefore, even when an upward external force is applied to the spring guide 100 from the suspending tool 91, the spring guide 100 can be prevented from coming off the cylinder 1b.
車両は様々な環境で使用される。例えば、降雪の多い地域において車両が走行する場合、サスペンション装置10は、融雪剤を含んだ水と接触することがある。融雪剤は塩化カルシウムを含んでいる。このため、シリンダ1bの外周と挿通孔120の内周との間に塩化カルシウムを含んだ水が侵入してしまうと、挿通孔120の内周が劣化し、損傷してしまうおそれがある。
Vehicles are used in various environments. For example, when the vehicle runs in an area with a lot of snow, the suspension device 10 may come into contact with water containing a snow melting agent. The snow melting agent contains calcium chloride. Therefore, if water containing calcium chloride enters between the outer periphery of the cylinder 1b and the inner periphery of the insertion hole 120, the inner periphery of the insertion hole 120 may be deteriorated and damaged.
本実施形態では、図3に示すように、バンプキャップ160の嵌合部161の下端面が、挿通孔120の上部開口縁部(筒部112の端面)の全周に亘って当接している。バンプキャップ160は、スプリングガイド100の挿通孔120の上部開口縁部に密着し、シリンダ1bの外周と挿通孔120との間の隙間を閉塞する。
In the present embodiment, as shown in FIG. 3, the lower end surface of the fitting portion 161 of the bump cap 160 is in contact with the entire circumference of the upper opening edge portion of the insertion hole 120 (the end surface of the tubular portion 112). .. The bump cap 160 is in close contact with the upper opening edge of the insertion hole 120 of the spring guide 100 and closes the gap between the outer periphery of the cylinder 1b and the insertion hole 120.
このため、バンプキャップ160によって、シリンダ1bと挿通孔120との間の隙間に、砂、水等の異物が侵入することを防止することができる。したがって、シリンダ1bの外周と挿通孔120の内周との間の隙間に異物が侵入することに起因した劣化、損傷を防止することができる。
Therefore, the bump cap 160 can prevent foreign matter such as sand and water from entering the gap between the cylinder 1b and the insertion hole 120. Therefore, it is possible to prevent deterioration and damage due to foreign matter entering the gap between the outer circumference of the cylinder 1b and the inner circumference of the insertion hole 120.
上述した実施形態によれば、次の作用効果を奏する。
According to the above-described embodiment, the following operational effects are achieved.
(1)バンプキャップ160の嵌合部161の下端部が、スプリングガイド100の筒部112の上端部に当接することにより、シリンダ1bに対するスプリングガイド100の軸方向の移動が規制される。この構成によれば、サスペンション装置10の組み立て作業において、シリンダ1bの上端部に取り付けられるバンプキャップ160によって、スプリングガイド100の軸方向の移動を規制することができる。
(1) The lower end of the fitting portion 161 of the bump cap 160 comes into contact with the upper end of the tubular portion 112 of the spring guide 100, thereby restricting the axial movement of the spring guide 100 with respect to the cylinder 1b. According to this configuration, in the assembly work of the suspension device 10, the movement of the spring guide 100 in the axial direction can be restricted by the bump cap 160 attached to the upper end of the cylinder 1b.
このため、バンプキャップ160とは別に、スプリングガイド100の移動を規制する部材を設ける必要がない。つまり、部品点数を増加させることなく、スプリングガイド100に外力が作用したときに、スプリングガイド100がショックアブソーバ1から外れてしまうことを防止することができる。サスペンション装置10の組み立て作業において、スプリングガイド100がショックアブソーバ1から外れてしまうことを防止できるので、サスペンション装置10の組み立て作業の効率を向上することができる。
Therefore, it is not necessary to provide a member for restricting the movement of the spring guide 100 separately from the bump cap 160. That is, it is possible to prevent the spring guide 100 from coming off the shock absorber 1 when an external force acts on the spring guide 100 without increasing the number of parts. Since it is possible to prevent the spring guide 100 from coming off the shock absorber 1 during the assembly work of the suspension device 10, the efficiency of the assembly work of the suspension device 10 can be improved.
また、サスペンション装置10の組み立て作業において、吊り具91によってスプリングガイド100を支持し、中間組立体90を吊り上げ、所定の場所まで運搬するという工程を採用することもできるので、サスペンション装置10の組み立て作業の自由度が高い。
Further, in the assembly work of the suspension device 10, it is possible to employ a process of supporting the spring guide 100 by the suspending tool 91, lifting the intermediate assembly 90, and transporting it to a predetermined place. Has a high degree of freedom.
(2)本実施形態では、スプリングガイド100の筒部112と、バンプキャップ160の筒状の嵌合部161とが当接している。このため、スプリングガイド100に対して、下側から上方に向かう外力が作用したときに、スプリングガイド100の筒部112に作用する荷重を周方向に均等にすることができる。
(2) In this embodiment, the tubular portion 112 of the spring guide 100 and the tubular fitting portion 161 of the bump cap 160 are in contact with each other. Therefore, when an external force is applied to the spring guide 100 from the lower side to the upper side, the load acting on the tubular portion 112 of the spring guide 100 can be made uniform in the circumferential direction.
このため、スプリングガイド100とバンプキャップ160とを局所的に当接させる場合に比べて、スプリングガイド100がシリンダ1bから外れてしまうことを、効果的に防止することができる。
Therefore, as compared with the case where the spring guide 100 and the bump cap 160 are locally brought into contact with each other, the spring guide 100 can be effectively prevented from coming off the cylinder 1b.
次のような変形例も本発明の範囲内であり、変形例に示す構成と上述の実施形態で説明した構成を組み合わせたり、以下の異なる変形例で説明する構成同士を組み合わせたりすることも可能である。
The following modified examples are also within the scope of the present invention, and it is possible to combine the configurations described in the modified examples with the configurations described in the above-described embodiments or to combine the configurations described in the following different modified examples. Is.
<変形例1>
上記実施形態では、バンプキャップ160が、スプリングガイド100の軸方向の移動のみを規制する例について説明したが、本発明はこれに限定されない。以下で説明するように、バンプキャップ260,360が、スプリングガイド200,300の径方向の移動を規制するようにしてもよい。 <Modification 1>
Although thebump cap 160 regulates only the axial movement of the spring guide 100 in the above embodiment, the present invention is not limited to this. As described below, the bump caps 260 and 360 may restrict the radial movement of the spring guides 200 and 300.
上記実施形態では、バンプキャップ160が、スプリングガイド100の軸方向の移動のみを規制する例について説明したが、本発明はこれに限定されない。以下で説明するように、バンプキャップ260,360が、スプリングガイド200,300の径方向の移動を規制するようにしてもよい。 <
Although the
<変形例1-1>
図5Aに示すように、バンプキャップ260の嵌合部261の下端面261a、及び、スプリングガイド200の筒部212の上端面212aは、サスペンション装置10の軸方向に直交する平面に対して傾斜する傾斜面としてもよい。 <Modification 1-1>
As shown in FIG. 5A, thelower end surface 261a of the fitting portion 261 of the bump cap 260 and the upper end surface 212a of the tubular portion 212 of the spring guide 200 are inclined with respect to a plane orthogonal to the axial direction of the suspension device 10. It may be an inclined surface.
図5Aに示すように、バンプキャップ260の嵌合部261の下端面261a、及び、スプリングガイド200の筒部212の上端面212aは、サスペンション装置10の軸方向に直交する平面に対して傾斜する傾斜面としてもよい。 <Modification 1-1>
As shown in FIG. 5A, the
本変形例では、嵌合部261の下端面261aが、嵌合部261の内径が下方に向かって徐々に大きくなるように、傾斜している。また、筒部212の上端面212aが、筒部212の外径が上方に向かって徐々に小さくなるように傾斜している。つまり、互いに当接する嵌合部261及び筒部212の傾斜面は、下方に向かって径方向外側に傾斜している。
In this modification, the lower end surface 261a of the fitting portion 261 is inclined so that the inner diameter of the fitting portion 261 gradually increases downward. In addition, the upper end surface 212a of the tubular portion 212 is inclined so that the outer diameter of the tubular portion 212 gradually decreases upward. That is, the inclined surfaces of the fitting portion 261 and the cylindrical portion 212 that are in contact with each other are inclined downward in the radial direction.
嵌合部261の下端面261aと筒部212の上端面212aとは、軸方向に直交する平面に対する傾斜角度が同じであり、下端面261aと上端面212aとは面接触している。
The lower end surface 261a of the fitting portion 261 and the upper end surface 212a of the tubular portion 212 have the same inclination angle with respect to the plane orthogonal to the axial direction, and the lower end surface 261a and the upper end surface 212a are in surface contact with each other.
つまり、本変形例では、バンプキャップ260の嵌合部261におけるスプリングガイド200に当接する面である下端面261a、及び、スプリングガイド200の筒部212における嵌合部261に当接する面である上端面212aの双方が、軸方向に直交する平面に対して傾斜する傾斜面とされている。したがって、本変形例では、バンプキャップ260によって、スプリングガイド200の軸方向及び径方向の移動が規制される。
That is, in the present modification, the lower end surface 261 a of the fitting portion 261 of the bump cap 260 that contacts the spring guide 200, and the surface of the tubular portion 212 of the spring guide 200 that contacts the fitting portion 261. Both of the end faces 212a are inclined faces that are inclined with respect to a plane orthogonal to the axial direction. Therefore, in the present modification, the bump cap 260 restricts the movement of the spring guide 200 in the axial direction and the radial direction.
スプリングガイド200は、シリンダ1bに嵌合され、支持リング3上に載置される。その後、バンプキャップ260をシリンダ1bの上端部に圧入する。このとき、嵌合部261の下端面261aと筒部212の上端面212aとが接触することにより、スプリングガイド200の挿通孔120の中心軸がシリンダ1bの中心軸に一致するように、スプリングガイド200が移動し、適切な位置決めがなされる。つまり、本変形例によれば、シリンダ1bに対するスプリングガイド200の位置決め精度を向上することができる。
The spring guide 200 is fitted into the cylinder 1b and placed on the support ring 3. Then, the bump cap 260 is pressed into the upper end of the cylinder 1b. At this time, the lower end surface 261a of the fitting portion 261 and the upper end surface 212a of the tubular portion 212 contact each other, so that the central axis of the insertion hole 120 of the spring guide 200 matches the central axis of the cylinder 1b. 200 moves and is properly positioned. That is, according to this modification, the positioning accuracy of the spring guide 200 with respect to the cylinder 1b can be improved.
本変形例では、バンプキャップ260をシリンダ1bの上端部に装着することにより、スプリングガイド200の筒部212が精度良くセンタリングされる。このため、コイルスプリング4を介して上方からスプリングガイド100に荷重が作用したときに、スプリングガイド200の筒部212に偏荷重が作用することを防止することができる。
In this modification, by mounting the bump cap 260 on the upper end of the cylinder 1b, the cylindrical portion 212 of the spring guide 200 is accurately centered. Therefore, when a load acts on the spring guide 100 from above via the coil spring 4, it is possible to prevent an unbalanced load from acting on the cylindrical portion 212 of the spring guide 200.
また、本変形例では、バンプキャップ260の嵌合部261によってスプリングガイド200の径方向の移動が規制されるので、スプリングガイド200の径方向の移動を規制するための専用の部材を設ける必要がない。
Further, in this modification, since the fitting portion 261 of the bump cap 260 restricts the radial movement of the spring guide 200, it is necessary to provide a dedicated member for restricting the radial movement of the spring guide 200. Absent.
<変形例1-2>
上記変形例1-1では、嵌合部261及び筒部212の傾斜面が、下方に向かって径方向外側に傾斜する例について説明したが、図5Bに示すように、下方に向かって径方向内側に傾斜するようにしてもよい。このような構成であっても、バンプキャップ260をシリンダ1bの上端部に装着することにより、シリンダ1bに対し、スプリングガイド200を精度良く位置決めすることができる。 <Modification 1-2>
In the above-described modification 1-1, an example in which the inclined surfaces of thefitting portion 261 and the cylindrical portion 212 are inclined downward in the radial direction is described, but as shown in FIG. 5B, the radial direction is reduced in the downward direction. It may be inclined inward. Even with such a configuration, by mounting the bump cap 260 on the upper end portion of the cylinder 1b, the spring guide 200 can be accurately positioned with respect to the cylinder 1b.
上記変形例1-1では、嵌合部261及び筒部212の傾斜面が、下方に向かって径方向外側に傾斜する例について説明したが、図5Bに示すように、下方に向かって径方向内側に傾斜するようにしてもよい。このような構成であっても、バンプキャップ260をシリンダ1bの上端部に装着することにより、シリンダ1bに対し、スプリングガイド200を精度良く位置決めすることができる。 <Modification 1-2>
In the above-described modification 1-1, an example in which the inclined surfaces of the
<変形例1-3>
上記変形例1-1及び変形例1-2では、嵌合部261及び筒部212の双方に、傾斜面が設けられる例について説明したが、嵌合部261及び筒部212の少なくとも一方に、傾斜面を設けることもできる。 <Modification 1-3>
In the modified example 1-1 and the modified example 1-2, the example in which the inclined surfaces are provided on both thefitting portion 261 and the tubular portion 212 has been described, but at least one of the fitting portion 261 and the tubular portion 212 is It is also possible to provide an inclined surface.
上記変形例1-1及び変形例1-2では、嵌合部261及び筒部212の双方に、傾斜面が設けられる例について説明したが、嵌合部261及び筒部212の少なくとも一方に、傾斜面を設けることもできる。 <Modification 1-3>
In the modified example 1-1 and the modified example 1-2, the example in which the inclined surfaces are provided on both the
図6Aに示すように、本変形例では、バンプキャップ260の嵌合部261の下端面261aは傾斜面であるのに対し、スプリングガイド300の筒部312の上端面312aは、上側に凸の湾曲面とされる。
As shown in FIG. 6A, in the present modification, the lower end surface 261a of the fitting portion 261 of the bump cap 260 is an inclined surface, while the upper end surface 312a of the tubular portion 312 of the spring guide 300 is convex upward. It is a curved surface.
<変形例1-4>
図6Bに示すように、本変形例では、スプリングガイド200の筒部212の上端面212aは傾斜面であるのに対し、バンプキャップ360の嵌合部361の下端面361aは、下側に凸の湾曲面とされる。 <Modification 1-4>
As shown in FIG. 6B, in this modified example, theupper end surface 212a of the tubular portion 212 of the spring guide 200 is an inclined surface, while the lower end surface 361a of the fitting portion 361 of the bump cap 360 is convex downward. Is a curved surface.
図6Bに示すように、本変形例では、スプリングガイド200の筒部212の上端面212aは傾斜面であるのに対し、バンプキャップ360の嵌合部361の下端面361aは、下側に凸の湾曲面とされる。 <Modification 1-4>
As shown in FIG. 6B, in this modified example, the
変形例1-3及び変形例1-4では、嵌合部261及び筒部212の少なくとも一方に、傾斜面を設けることにより、上記変形例1-1及び変形例1-2と同様の作用効果を得ることができる。なお、上記変形例1-1及び変形例1-2では、筒部212と嵌合部261とが面接触するため、変形例1-3及び変形例1-4に比べて、シリンダ1bの外周と挿通孔120の内周との間の隙間に異物が侵入することを、より効果的に防止することができる。
In the modified example 1-3 and the modified example 1-4, by providing an inclined surface on at least one of the fitting part 261 and the cylindrical part 212, the same effect as the modified example 1-1 and the modified example 1-2 can be obtained. Can be obtained. In the modified example 1-1 and the modified example 1-2, since the cylindrical portion 212 and the fitting portion 261 are in surface contact with each other, the outer circumference of the cylinder 1b is different from that of the modified example 1-3 and the modified example 1-4. It is possible to more effectively prevent foreign matter from entering the gap between the inner periphery of the insertion hole 120 and the inner periphery of the insertion hole 120.
<変形例2>
上記実施形態では、バンプキャップ160の嵌合部161の下端部が、挿通孔120の上部開口縁部(筒部112の端面)の全周に亘って当接する例について説明したが、本発明はこれに限定されない。 <Modification 2>
In the above embodiment, an example in which the lower end of thefitting portion 161 of the bump cap 160 abuts over the entire circumference of the upper opening edge of the insertion hole 120 (the end surface of the cylindrical portion 112) has been described. It is not limited to this.
上記実施形態では、バンプキャップ160の嵌合部161の下端部が、挿通孔120の上部開口縁部(筒部112の端面)の全周に亘って当接する例について説明したが、本発明はこれに限定されない。 <
In the above embodiment, an example in which the lower end of the
<変形例2-1>
例えば、図7Aに示すように、スプリングガイド400の筒部412に、挿通孔120の上部開口縁部から上方に突出する突出部412bを複数設け、突出部412bをバンプキャップ160に当接させるようにしてもよい。 <Modification 2-1>
For example, as shown in FIG. 7A, thecylindrical portion 412 of the spring guide 400 is provided with a plurality of protrusions 412b that protrude upward from the upper opening edge of the insertion hole 120, and the protrusions 412b are brought into contact with the bump cap 160. You may
例えば、図7Aに示すように、スプリングガイド400の筒部412に、挿通孔120の上部開口縁部から上方に突出する突出部412bを複数設け、突出部412bをバンプキャップ160に当接させるようにしてもよい。 <Modification 2-1>
For example, as shown in FIG. 7A, the
<変形例2-2>
図7Bに示すように、バンプキャップ460に、嵌合部161の下端面から下方に突出する突出部461bを複数設け、突出部461bを筒部112に当接させるようにしてもよい。この場合、突出部461bが、スプリングガイド100に当接しスプリングガイド100の軸方向の移動を規制する規制部として機能する。 <Modification 2-2>
As shown in FIG. 7B, thebump cap 460 may be provided with a plurality of protrusions 461b that protrude downward from the lower end surface of the fitting portion 161, and the protrusions 461b may be brought into contact with the tubular portion 112. In this case, the protruding portion 461b functions as a restricting portion that contacts the spring guide 100 and restricts the axial movement of the spring guide 100.
図7Bに示すように、バンプキャップ460に、嵌合部161の下端面から下方に突出する突出部461bを複数設け、突出部461bを筒部112に当接させるようにしてもよい。この場合、突出部461bが、スプリングガイド100に当接しスプリングガイド100の軸方向の移動を規制する規制部として機能する。 <Modification 2-2>
As shown in FIG. 7B, the
<変形例3>
上記実施形態では、スプリングガイド100が樹脂製である例について説明したが、本発明はこれに限定されない。例えば、スプリングガイド100は、金属により形成してもよい。 <Modification 3>
In the above embodiment, an example in which thespring guide 100 is made of resin has been described, but the present invention is not limited to this. For example, the spring guide 100 may be made of metal.
上記実施形態では、スプリングガイド100が樹脂製である例について説明したが、本発明はこれに限定されない。例えば、スプリングガイド100は、金属により形成してもよい。 <
In the above embodiment, an example in which the
<変形例4>
リブ122の断面形状は、上記実施形態に限定されない。リブ122の断面形状は、種々の形状を採用することができる。例えば、リブ122の断面形状は、丸みを帯びた三角形状であってもよい。 <Modification 4>
The cross-sectional shape of therib 122 is not limited to the above embodiment. Various shapes can be adopted as the cross-sectional shape of the rib 122. For example, the cross-sectional shape of the rib 122 may be a rounded triangular shape.
リブ122の断面形状は、上記実施形態に限定されない。リブ122の断面形状は、種々の形状を採用することができる。例えば、リブ122の断面形状は、丸みを帯びた三角形状であってもよい。 <
The cross-sectional shape of the
以上のように構成された本発明の実施形態の構成、作用、および効果をまとめて説明する。
The configuration, operation, and effect of the embodiment of the present invention configured as described above will be collectively described.
サスペンション装置10は、シリンダ1bとシリンダ1bから突出するロッド1aとを有し、車体と車輪との間に設けられるショックアブソーバ1と、ロッド1aの先端に取り付けられるアッパーマウント2と、シリンダ1bの外周面に取り付けられるスプリングガイド100,200,300,400と、スプリングガイド100,200,300,400とアッパーマウント2との間に設けられ、車体を弾性支持するコイルスプリング4と、シリンダ1bの端部に取り付けられるバンプキャップ160,260,360,460と、ロッド1aに取り付けられ、ショックアブソーバ1が所定量だけ収縮したときにバンプキャップ160,260,360,460に当たることによりショックアブソーバ1の縮み側のストロークを規制するバンプストッパ5と、を備え、スプリングガイド100,200,300,400は、ショックアブソーバ1が挿通する挿通孔120を有し、バンプキャップ160,260,360,460は、スプリングガイド100,200,300,400に当接しスプリングガイド100,200,300,400の軸方向の移動を規制する規制部(嵌合部161,261,361、突出部461b)を有する。
The suspension device 10 includes a cylinder 1b and a rod 1a protruding from the cylinder 1b, a shock absorber 1 provided between a vehicle body and a wheel, an upper mount 2 attached to a tip of the rod 1a, and an outer circumference of the cylinder 1b. The spring guides 100, 200, 300, 400 attached to the surface, the coil spring 4 provided between the spring guides 100, 200, 300, 400 and the upper mount 2 for elastically supporting the vehicle body, and the end of the cylinder 1b. And the bump caps 160, 260, 360, 460 attached to the rod 1a, and when the shock absorber 1 contracts by a predetermined amount, the bump caps 160, 260, 360, 460 hit the bump caps 160, 260, 360, 460 so that the contraction side of the shock absorber 1 The spring guides 100, 200, 300, 400 have insertion holes 120 through which the shock absorber 1 is inserted, and the bump caps 160, 260, 360, 460 are spring guides 100. , 200, 300, 400, and restricting portions ( fitting portions 161, 261, 361, protruding portion 461b) for restricting axial movement of the spring guides 100, 200, 300, 400.
この構成では、シリンダ1bの端部に取り付けられるバンプキャップ160,260,360,460によって、スプリングガイド100,200,300,400の軸方向の移動が規制される。このため、バンプキャップ160,260,360,460とは別に、スプリングガイド100,200,300,400の移動を規制する部材を設けることなく、スプリングガイド100,200,300,400に外力が作用したときに、スプリングガイド100,200,300,400がショックアブソーバ1から外れてしまうことを防止することができる。これにより、サスペンション装置10の組み立て作業において、スプリングガイド100,200,300,400がショックアブソーバ1から外れてしまうことを防止できるので、サスペンション装置10の組み立て作業の効率を向上することができる。
In this configuration, the movement of the spring guides 100, 200, 300, 400 in the axial direction is restricted by the bump caps 160, 260, 360, 460 attached to the end of the cylinder 1b. Therefore, an external force acts on the spring guides 100, 200, 300, 400 without providing a member for restricting the movement of the spring guides 100, 200, 300, 400 separately from the bump caps 160, 260, 360, 460. At this time, it is possible to prevent the spring guides 100, 200, 300, 400 from coming off from the shock absorber 1. As a result, it is possible to prevent the spring guides 100, 200, 300, 400 from coming off from the shock absorber 1 in the assembly work of the suspension device 10, so that the efficiency of the assembly work of the suspension device 10 can be improved.
サスペンション装置10は、バンプキャップ160,260,360が、シリンダ1bと挿通孔120との間の隙間を閉塞する。
In the suspension device 10, the bump caps 160, 260, 360 close the gap between the cylinder 1b and the insertion hole 120.
この構成では、バンプキャップ160,260,360によって、シリンダ1bと挿通孔120との間の隙間に、砂、水等の異物が侵入することを防止することができる。
In this configuration, the bump caps 160, 260, 360 can prevent foreign matter such as sand and water from entering the gap between the cylinder 1b and the insertion hole 120.
サスペンション装置10は、規制部(嵌合部261,361)が、スプリングガイド200,300の径方向の移動を規制する。
In the suspension device 10, the restriction part (fitting parts 261 and 361) restricts the radial movement of the spring guides 200 and 300.
この構成では、バンプキャップ260,360の規制部(嵌合部261,361)によってスプリングガイド200,300の径方向の移動が規制されるので、スプリングガイド200,300の径方向の移動を規制するための専用の部材を設ける必要がない。
In this configuration, since the radial movements of the spring guides 200 and 300 are regulated by the regulation portions (fitting portions 261 and 361) of the bump caps 260 and 360, the radial movements of the spring guides 200 and 300 are regulated. It is not necessary to provide a dedicated member for
サスペンション装置10は、規制部(嵌合部261)におけるスプリングガイド200,300に当接する面、及び、スプリングガイド200における規制部(嵌合部261,361)に当接する面の少なくとも一方が、軸方向に直交する平面に対して傾斜する傾斜面である。
In the suspension device 10, at least one of the surface of the restricting portion (fitting portion 261) that contacts the spring guides 200 and 300 and the surface of the spring guide 200 that contacts the restricting portions (fitting portions 261 and 361) has a shaft. It is an inclined surface inclined with respect to a plane orthogonal to the direction.
この構成では、シリンダ1bに対するスプリングガイド200,300の位置決め精度を向上することができる。
With this configuration, the positioning accuracy of the spring guides 200, 300 with respect to the cylinder 1b can be improved.
サスペンション装置10は、スプリングガイド100,200,300が、内周が挿通孔120とされた筒状の筒部112,212,312を有し、規制部(嵌合部161,261,361)が、筒状であり、規制部(嵌合部161,261,361)の端部が筒部112,212,312の端部に当接することにより、スプリングガイド100,200,300の軸方向の移動が規制される。
In the suspension device 10, the spring guides 100, 200, 300 have cylindrical tubular portions 112, 212, 312 having an inner periphery serving as an insertion hole 120, and the restriction portions ( fitting portions 161, 261, 361) are , Tubular, and the ends of the restriction portions ( fitting portions 161, 261, 361) contact the ends of the tubular portions 112, 212, 312, whereby the spring guides 100, 200, 300 move in the axial direction. Is regulated.
この構成では、スプリングガイド100,200,300の筒部112,212,312と、バンプキャップ160,260,360の筒状の規制部(嵌合部161,261,361)とが当接するため、スプリングガイド100,200,300の筒部112,212,312に作用する荷重を均等にすることができる。
In this configuration, since the tubular portions 112, 212, 312 of the spring guides 100, 200, 300 and the tubular restricting portions ( fitting portions 161, 261, 361) of the bump caps 160, 260, 360 come into contact with each other, The loads acting on the cylindrical portions 112, 212, 312 of the spring guides 100, 200, 300 can be made uniform.
以上、本発明の実施形態について説明したが、上記実施形態は本発明の適用例の一部を示したに過ぎず、本発明の技術的範囲を上記実施形態の具体的構成に限定する趣旨ではない。
Although the embodiment of the present invention has been described above, the above embodiment merely shows a part of the application example of the present invention, and the technical scope of the present invention is limited to the specific configuration of the above embodiment. Absent.
本願は2018年12月17日に日本国特許庁に出願された特願2018-235808に基づく優先権を主張し、この出願の全ての内容は参照により本明細書に組み込まれる。
The present application claims priority based on Japanese Patent Application No. 2018-235808 filed with the Japan Patent Office on December 17, 2018, the entire contents of which are incorporated herein by reference.
Claims (5)
- サスペンション装置であって、
シリンダと前記シリンダから突出するロッドとを有し、車体と車輪との間に設けられるショックアブソーバと、
前記ロッドの先端に取り付けられるアッパーマウントと、
前記シリンダの外周面に取り付けられるスプリングガイドと、
前記スプリングガイドと前記アッパーマウントとの間に設けられ、前記車体を弾性支持するコイルスプリングと、
前記シリンダの端部に取り付けられるバンプキャップと、
前記ロッドに取り付けられ、前記ショックアブソーバが所定量だけ収縮したときに前記バンプキャップに当たることにより前記ショックアブソーバの縮み側のストロークを規制するバンプストッパと、を備え、
前記スプリングガイドは、前記ショックアブソーバが挿通する挿通孔を有し、
前記バンプキャップは、前記スプリングガイドに当接し前記スプリングガイドの軸方向の移動を規制する規制部を有するサスペンション装置。 A suspension system,
A shock absorber having a cylinder and a rod protruding from the cylinder, the shock absorber being provided between the vehicle body and the wheels,
An upper mount attached to the tip of the rod,
A spring guide attached to the outer peripheral surface of the cylinder,
A coil spring which is provided between the spring guide and the upper mount and elastically supports the vehicle body,
A bump cap attached to the end of the cylinder,
A bump stopper that is attached to the rod and that restricts the stroke on the contraction side of the shock absorber by hitting the bump cap when the shock absorber contracts by a predetermined amount,
The spring guide has an insertion hole through which the shock absorber is inserted,
The bump device is a suspension device having a restriction portion that abuts on the spring guide and restricts axial movement of the spring guide. - 請求項1に記載のサスペンション装置であって、
前記バンプキャップは、前記シリンダと前記挿通孔との間の隙間を閉塞するサスペンション装置。 The suspension device according to claim 1, wherein
The bump cap is a suspension device that closes a gap between the cylinder and the insertion hole. - 請求項1に記載のサスペンション装置であって、
前記規制部は、前記スプリングガイドの径方向の移動を規制するサスペンション装置。 The suspension device according to claim 1, wherein
The restriction unit is a suspension device that restricts radial movement of the spring guide. - 請求項3に記載のサスペンション装置であって、
前記規制部における前記スプリングガイドに当接する面、及び、前記スプリングガイドにおける前記規制部に当接する面の少なくとも一方は、軸方向に直交する平面に対して傾斜する傾斜面であるサスペンション装置。 The suspension device according to claim 3,
A suspension device in which at least one of a surface of the regulating portion that abuts the spring guide and a surface of the spring guide that abuts the regulating portion is an inclined surface that is inclined with respect to a plane orthogonal to the axial direction. - 請求項1に記載のサスペンション装置であって、
前記スプリングガイドは、内周が前記挿通孔とされた筒状の筒部を有し、
前記規制部は、筒状であり、
前記規制部の端部が前記筒部の端部に当接することにより、前記スプリングガイドの軸方向の移動が規制されるサスペンション装置。 The suspension device according to claim 1, wherein
The spring guide has a tubular portion whose inner circumference is the insertion hole,
The restriction portion is tubular,
A suspension device in which movement of the spring guide in the axial direction is restricted by contacting an end of the restricting portion with an end of the tubular portion.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2018235808A JP7157648B2 (en) | 2018-12-17 | 2018-12-17 | suspension device |
JP2018-235808 | 2018-12-17 |
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WO2020129654A1 true WO2020129654A1 (en) | 2020-06-25 |
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PCT/JP2019/047516 WO2020129654A1 (en) | 2018-12-17 | 2019-12-04 | Suspension device |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5710294B2 (en) * | 1974-02-27 | 1982-02-25 | ||
WO2014102861A1 (en) * | 2012-12-26 | 2014-07-03 | トヨタ自動車株式会社 | Suspension device for vehicle and method for assembling suspension device for vehicle |
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JP5710294B2 (en) | 2011-01-31 | 2015-04-30 | 住友化学株式会社 | UV curable inkjet ink for light guide plate and light guide plate using the same |
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2018
- 2018-12-17 JP JP2018235808A patent/JP7157648B2/en active Active
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5710294B2 (en) * | 1974-02-27 | 1982-02-25 | ||
WO2014102861A1 (en) * | 2012-12-26 | 2014-07-03 | トヨタ自動車株式会社 | Suspension device for vehicle and method for assembling suspension device for vehicle |
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JP2020097976A (en) | 2020-06-25 |
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