Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
  • B60G13/001—Arrangements for attachment of dampers
  • B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
  • B60G13/006—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit on the stub axle
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
  • B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
  • B60G13/06—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type
  • B60G13/08—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally of fluid type hydraulic
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
  • B60G13/001—Arrangements for attachment of dampers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
  • B60G13/001—Arrangements for attachment of dampers
  • B60G13/003—Arrangements for attachment of dampers characterised by the mounting on the vehicle body or chassis of the damper unit
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
  • B60G13/001—Arrangements for attachment of dampers
  • B60G13/005—Arrangements for attachment of dampers characterised by the mounting on the axle or suspension arm of the damper unit
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
  • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
  • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
  • B60G15/07—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the damper being connected to the stub axle and the spring being arranged around the damper
• • 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
  • F16F9/3207—Constructional features
  • F16F9/3235—Constructional features of cylinders
• • 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
  • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
• • 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
  • F16F9/54—Arrangements for attachment
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
  • B60G2204/10—Mounting of suspension elements
  • B60G2204/12—Mounting of springs or dampers
  • B60G2204/128—Damper mount on vehicle body or chassis
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
  • B60G2204/10—Mounting of suspension elements
  • B60G2204/12—Mounting of springs or dampers
  • B60G2204/129—Damper mount on wheel suspension or knuckle
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
  • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
  • B60G2204/43—Fittings, brackets or knuckles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
  • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
  • B60G2204/43—Fittings, brackets or knuckles
  • B60G2204/4304—Bracket for lower cylinder mount of McPherson strut
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60G—VEHICLE SUSPENSION ARRANGEMENTS
  • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
  • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
  • B60G2206/40—Constructional features of dampers and/or springs
  • B60G2206/41—Dampers

Definitions

• the present invention relates to a shock absorber arranged between a vehicle body and a wheel, and a bracket provided on the outer periphery of the shock absorber and coupled to a wheel-side knuckle.
• Patent Document 1 a tubular portion (cylindrical portion) having a C-shaped cross section and a split front portion holding the outer periphery of the outer shell, and radially outward from both ends of the tubular portion in the circumferential direction.
• a bracket having a pair of protruding mounting portions (extending portions) and having holes formed in the tubular portion for avoiding interference with the protruding portion (valve case) (hereinafter referred to as "conventional bracket") is disclosed.
• the present invention provides a bracket that secures mounting rigidity of a shock absorber having a hole formed in the bracket for avoiding interference with a protrusion, and a bracket that can secure mounting rigidity of the shock absorber. Make it an issue.
• a shock absorber includes a cylindrical cylinder, a protrusion provided to protrude radially outward of the cylinder, and a bracket provided on the outer circumference of the cylinder, wherein the bracket is attached to the cylindrical portion.
• a cylindrical portion having a first end portion and a second end portion in a circumferential direction and having a C-shaped axial cross section covering the outer circumference of the cylinder; a pair of extending portions extending from one end and a second end to face each other radially outward of the cylindrical portion; a first hole, a second hole provided in the cylindrical portion and spaced apart from the first hole, and a center axis of the cylindrical portion formed between the first hole and the second hole; and a bridging portion provided on the side opposite to the pair of extending portions.
• the bracket of the present invention is provided so as to cover the outer periphery of a shock absorber arranged between a vehicle body and a wheel, and is coupled to a knuckle on the wheel side, wherein the bracket is a cylindrical portion.
• a cylindrical portion having a first end and a second end in the circumferential direction of the cylindrical portion, the axial cross section of the cylindrical portion being formed in a C shape, the first end and the second end of the cylindrical portion a pair of extending portions extending from the cylindrical portion toward the radially outer side of the cylindrical portion; a first hole provided in the cylindrical portion and penetrating the cylindrical portion; , a second hole penetrating through said cylindrical portion, and a center position between said first and second holes and between said first and second ends of said cylindrical portion; A backing portion provided on the opposite side of the cylindrical portion in the circumferential direction, and a reinforcing portion provided on the radially outer side of the cylindrical portion and formed from the cylindrical portion to the extending portion.
• the mounting rigidity of the shock absorber in which the bracket has a hole for avoiding interference with the projecting portion.
• FIG. 1 is a perspective view showing a state in which a shock absorber 1 of a suspension device (not shown) is coupled to a wheel-side knuckle 10.
• FIG. 1 the vertical direction in FIG. 1 is referred to as "vertical direction” or "axial direction”.
• the damper 1 is a damping force adjustable hydraulic damper with a control valve laterally attached type in which a valve device (only the valve case 6 is shown in FIG. 1) is laterally attached to the side wall of a cylinder 2 (outer cylinder).
• the shock absorber 1 has a piston rod 3 protruding from the cylinder 2 to the outside.
• a spring receiver 4 for receiving a lower end of a coil spring (not shown) and a bracket 5 to which a link component and the like are connected are joined to the outer peripheral surface 2A of the cylinder 2 .
• a cylindrical valve case 6 protruding portion is provided on a side wall of the cylinder 2 so as to protrude radially outward of the cylinder 2 .
• the shock absorber 1 has a bracket 11 provided so as to cover the outer circumference of the cylinder 2 .
• the damper 1 has the same structure as a conventional damping force adjustable hydraulic damper with a side-mounted control valve, except for the bracket 11 . Therefore, for the purpose of simplifying the description of the specification, a detailed description of the damping force adjustment type hydraulic shock absorber with a side-mounted control valve will be omitted.
• the bracket 11 has a cylindrical portion 21 having a C-shaped axial cross section (a cross section along a plane perpendicular to the axis of the cylinder 2).
• the bracket 11 has a pair of extending portions 31 and 41 extending radially outward from a first end portion 22 and a second end portion 23 at both circumferential ends of the cylindrical portion 21 so as to face each other.
• FIG. 4 is called the left side of the bracket 11, the right side of FIG. 4 is called the right side of the bracket 11, the lower side of FIG. 4 is called the front side of the bracket 11, and the upper side of FIG. 4 is a top view of the bracket 11, FIG. 5 is a left side view of the bracket 11, and FIG.
• the bracket 11 is symmetrical with respect to a vertical plane (hereinafter referred to as "axial plane") including the axial center A (axis line).
• the extension 31 is provided with a first extension hole 32 and a second extension hole 33 which are spaced apart in the vertical direction.
• a bolt (not shown) to be fastened to the knuckle 10 (see FIG. 1) is inserted through the first extension hole 32 and the second extension hole 33 .
• the bracket 11 has a reinforcing portion 34 formed from the left side surface 24 of the cylindrical portion 21 to the extending portion 31 .
• the reinforcing portion 34 is formed by pressing so as to bulge outward in the radial direction of the cylindrical portion 21 .
• the end on the front side (“right side” in FIG. 5) of the reinforcing portion 34 extends between the first extension hole 32 and the second extension hole 33 .
• the axial (vertical) position (height) of the upper and lower ends of the reinforcement portion 34 is the axial position of the center of the first extension hole 32 and the second extension hole 33 of the extension portion 31 . They are almost identical.
• the bracket 11 is bilaterally symmetrical with respect to the axial plane, so the description of the extending portion 41 is omitted.
• Each element in the extension part 41 corresponding to the extension part 31 is indicated in the drawing by a number obtained by adding 10 to the number of the elements of the corresponding extension part 31 .
• a reinforcing portion 37 is formed from the upper end of the left side surface 24 of the cylindrical portion 21 to the upper end of the extending portion 31 above (at a higher position than) the first extending portion hole 32 on the upper side of the reinforcing portion 34 . is provided. Further, at the lower end of the bracket 11, a rib 38 extending radially outward of the cylindrical portion 21 and extending from the left side surface 24 of the cylindrical portion 21 beyond the first end portion 22 (see FIG. 4) to the extending portion 31 is formed. is formed.
• the bracket 11 has a fig-shaped first hole 51 and a second hole 61 penetrating through the left side 24 and the right side 25 of the cylindrical portion 21 .
• the first hole 51 has an arc portion 52 extending in a substantially arc shape in a left side view along the outer periphery of the valve case 6 protruding radially outward from the side wall of the cylinder 2 .
• the circular arc portion 52 is provided so as to contact the first end portion 22 (see FIG. 4) of the left side surface 24 of the cylindrical portion 21 at a point of contact B.
• the cylindrical portion 21 side (“left side” in FIG.
• the reinforcing portion 34 is curved along the arc portion 52 of the first hole 51 .
• the arc portion 52 (at least a portion of the first hole 51) is formed up to the reinforcing portion 34 in the circumferential direction of the cylindrical portion 21, and the reinforcing portion 34 extends to the upper end portion 35 and the lower end portion of the cylindrical portion 21 in the axial direction. It is formed between the part 36 .
• the arc portion 52 has a lower edge portion 56 extending in the circumferential direction from the lower end 54 of the arc portion 52 to the rear side (“left side” in FIG. 5), and a rear surface extending from the upper end 53 of the arc portion 52 through an R portion (reference numerals omitted). and an upper edge portion 55 extending obliquely upward to the side.
• the upper edge portion 55 and the lower edge portion 56 are connected by a vertical edge portion 57 extending in the axial direction (vertical direction).
• the bracket 11 is bilaterally symmetrical with respect to the axial plane, so the description of the second hole 61 is omitted.
• Each element in the second hole 61 corresponding to the first hole 51 is indicated in the drawing by a number obtained by adding 10 to the number of the element of the corresponding first hole 51 .
• valve case 6 protrusion protrudes from either the first hole 51 or the second hole 61, and protrudes from the first hole 51 in this embodiment.
• a bracket 7 to which a link component or the like is connected is joined to the outer peripheral surface 2A of the cylinder 2 exposed inside the second hole 61 .
• the bracket 11 is provided at the center of the back surface of the cylindrical portion 21, in other words, on the side opposite to the extending portion 31 and the extending portion 41 (see FIG. 4) with respect to the axial center A.
• a transfer section 71 is provided.
• the backing portion 71 is provided on the opposite side of the cylindrical portion 21 in the circumferential direction from the central position between the first end portion 22 and the second end portion 23 of the cylindrical portion 21 .
• the backing portion 71 is provided between the vertical edge portion 57 of the first hole 51 on the left side surface 24 of the cylindrical portion 21 and the vertical edge portion 67 of the second hole 61 on the right side surface 25, and It is a straight portion extending in the axial direction (“vertical direction” in FIG. 6) at a position substantially horizontal to the axial direction of the cylindrical portion 21 with respect to the axial center position C (see FIG. 5) of the bore 32 .
• the left side surface 74 (at least a portion) of the backing portion 71 formed on the left side surface 24 of the cylindrical portion 21 is aligned with the axis of the cylindrical portion 21 with respect to the axial center position C of the first extension hole 32 . It is arranged in a direction and a substantially horizontal position.
• the backing portion 71 has a reduced diameter portion 72 including a portion (at least a portion) where the width H1 in the circumferential direction (the "lateral direction” in FIG. 6) of the cylindrical portion 21 is narrowed.
• the position (height) of the reduced diameter portion 72 in the axial direction (“vertical direction” in FIG. 6) is substantially equal to the position of the point of contact B (see FIG. 5) between the arc portion 52 and the first end portion 22 .
• the reduced diameter portion 72 is provided in the circumferential direction of the cylindrical portion 21 from the valve case 6 (protruding portion), that is, on a plane including the axial center (axis line) of the valve case 6 .
• the backing portion 71 has an enlarged diameter portion 73 including a portion (at least a portion) where the circumferential width H2 of the cylindrical portion 21 is enlarged.
• the position (height) of the enlarged diameter portion 73 in the axial direction extends from the position of the upper end 53 (see FIG. 5) of the arc portion 52 to the center position C of the first extension hole 32. (see FIG. 5).
• an additional component 8 such as a harness bracket is joined (welded) to the expanded diameter portion 73 of the backing portion 71 .
• holes for inserting the valve case were formed from both side parts to the back part of the cylindrical part.
• the cylindrical part was formed by pressing a hole in a sheet material (flat plate) and then bending the sheet material with the hole into a cylinder. It was difficult to mold it into a cylindrical shape.
• the accuracy of the cylindrical part is related to the mounting rigidity of the shock absorber against the lateral force in the longitudinal direction of the vehicle when the shock absorber is attached to the knuckle through the bracket, so the mounting rigidity can be improved by improving the formability of the bracket. It was an issue.
• the bracket 11 is provided on the left side surface 24 of the cylindrical portion 21 and is provided on the first hole 51 through which the valve case 6 (protruding portion) is inserted, and on the right side surface 25 of the cylindrical portion 21. , a second hole 61 spaced apart from the first hole 51 , and a second hole 61 provided between the first hole 51 and the second hole 61 .
• a backing part 71 arranged on the opposite side of the protruding part 41 is provided.
• the cylindrical portion 21 is formed by pressing the first hole 51 and the second hole 61 in a sheet material (flat plate), and then forming the backing portion 71 between the first hole 51 and the second hole 61.
• arc portions 52, 62 are formed between the upper ends 35, 45 and the lower ends 36, 46 of the reinforcing portions 34, 44 in the axial direction of the cylindrical portion 21. Therefore, by removing portions (between the axial ends 35 and 36 of the reinforcing portion 34 and between the axial ends 45 and 46 of the reinforcing portion 44) that have little effect on the strength, weight reduction and securing of strength can be achieved. can be compatible with Further, in the present embodiment, by providing the backing portion 71 between the first hole 51 and the second hole 61, the weight of the bracket 11 is reduced by the first hole 51 and the second hole 61, and the backing portion Securing of mounting rigidity of the shock absorber 1 by 71 can be compatible.
• the additional component 8 fixing member
• the additional component 8 is welded to the outer peripheral surface 2A of the cylinder 2.
• the reduced diameter portion 72 is provided at the position of the backing portion 71 in the circumferential direction from the valve case 6 to the cylindrical portion 21, when joining (welding) the valve case 6 to the cylinder 2, , the gap between the valve case 6 and the backing portion 71 can be secured.
• the present invention is not limited to the above-described embodiments, and includes various modifications.
• the above-described embodiments have been described in detail in order to explain the present invention in an easy-to-understand manner, and are not necessarily limited to those having all the described configurations.
• part of the configuration of one embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of one embodiment.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Fluid-Damping Devices (AREA)
• Vehicle Body Suspensions (AREA)

Priority Applications (5)

Applications Claiming Priority (2)

Publications (1)

Family

ID=87552257

Family Applications (1)

Country Status (6)

Citations (4)

Family Cites Families (10)

• 2023
  • 2023-01-05 WO PCT/JP2023/000035 patent/WO2023149152A1/ja not_active Ceased
  • 2023-01-05 US US18/730,535 patent/US12397601B2/en active Active
  • 2023-01-05 KR KR1020247020258A patent/KR20240107340A/ko active Pending
  • 2023-01-05 JP JP2023578426A patent/JP7615363B2/ja active Active
  • 2023-01-05 DE DE112023000800.0T patent/DE112023000800T5/de active Pending
  • 2023-01-05 CN CN202380016732.7A patent/CN118541552A/zh active Pending

Patent Citations (4)

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