WO2024202039A1 - 緩衝部材取付構造 - Google Patents

緩衝部材取付構造 Download PDF

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Publication number
WO2024202039A1
WO2024202039A1 PCT/JP2023/013631 JP2023013631W WO2024202039A1 WO 2024202039 A1 WO2024202039 A1 WO 2024202039A1 JP 2023013631 W JP2023013631 W JP 2023013631W WO 2024202039 A1 WO2024202039 A1 WO 2024202039A1
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WO
WIPO (PCT)
Prior art keywords
support surface
claw
buffer member
holding
surface portion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2023/013631
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English (en)
French (fr)
Japanese (ja)
Inventor
元 田辺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Original Assignee
Honda Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Priority to PCT/JP2023/013631 priority Critical patent/WO2024202039A1/ja
Priority to JP2025509621A priority patent/JP7851482B2/ja
Publication of WO2024202039A1 publication Critical patent/WO2024202039A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J15/00—Mud-guards for wheels
    • 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
    • F16F7/00—Vibration-dampers; Shock-absorbers

Definitions

  • the present invention relates to a shock-absorbing member mounting structure.
  • Patent Document 1 discloses a structure in which a rubber member is attached to a plastic part such as a fender, and the rubber member acts as a buffer.
  • the rubber member has a cylindrical outer peripheral surface on which a groove is formed along the circumferential direction, and when the rubber member is attached to a mounting hole in a mating part, the flange around the mounting hole is inserted into the groove.
  • the present invention provides a shock-absorbing member mounting structure that utilizes the overall capacity of the shock-absorbing member to improve shock-absorbing performance and also improves the work of mounting the shock-absorbing member.
  • the first aspect of the present invention is a cushioning member mounting structure that includes a cushioning member (21) provided between a first equipment part (15) and a second equipment part (5b) supported by the first equipment part (15), and a holding part (31) that holds the cushioning member (21) on one of the first equipment part (15) and the second equipment part (5b), and is characterized in that the holding part (31) includes a support surface part (32) that abuts against the cushioning member (21), a claw part (33) that is partially provided around the holding position on the support surface part (32) that holds the cushioning member (21) at the holding position, and an opening part (35) that is provided on one side of the support plane (32a) of the support surface part (32) in a direction along the support plane (32a) and allows the cushioning member (21) to be inserted and removed to the holding position along the support plane (32a).
  • the holding part (31) includes a support surface part (32) that abuts against the cushioning member (21), a claw part (33) that is partially provided around the holding
  • the buffer member holder provided on the first equipment part or the second equipment part includes a support surface part that abuts and supports the buffer member, a claw part that is partially provided around the holding position that holds the buffer member, and an opening part that allows the buffer member to be inserted and removed from one side in the direction along the surface of the support plane.
  • the buffer member is held by the claw part that is partially provided around the holding position, it is possible to utilize the entire capacity of the buffer member to deflect it, and improve the buffer performance, compared to a conventional configuration in which a flange part is inserted around the entire circumference of the groove part of the buffer member.
  • a second aspect of the present invention is characterized in that, in the above-mentioned first aspect, the second equipment part (5b) is an opening/closing body that is opened and closed relative to the first equipment part (15), and the holding part (31) is provided on the first equipment part (15).
  • the holding part for the cushioning member on the main body side (first equipment part) rather than on the opening/closing body (second equipment part)
  • the possibility of the cushioning member falling off due to the opening and closing movement of the holding part is eliminated, and the configuration of the holding part can be simplified.
  • a third aspect of the present invention is characterized in that, in the above-mentioned first and second aspects, the buffer member (21) includes a constricted portion (25) that fits with the claw portion (33), a support surface contact portion (27) that has a cross-sectional area larger than that of the constricted portion (25) and is arranged between the support surface portion (32) and the claw portion (33), and an external contact portion (26) that is located on the opposite side of the support surface portion (32) from the claw portion (33) and abuts against a mating part among the first equipment part (15) and the second equipment part (5b).
  • the buffer member (21) includes a constricted portion (25) that fits with the claw portion (33), a support surface contact portion (27) that has a cross-sectional area larger than that of the constricted portion (25) and is arranged between the support surface portion (32) and the claw portion (33), and an external contact portion (26) that is located on the opposite side of the support surface portion (32) from the claw portion (33) and abuts against a
  • a fourth aspect of the present invention is characterized in that, in any one of the first to third aspects, the claw portions (33) are arranged discontinuously so as to surround the buffer member (21) when viewed from the normal direction of the support surface portion (32), and the opening (35) is formed between adjacent pairs of the claw portions (33).
  • the cushioning material is held by multiple claw portions that are discontinuously arranged to surround the cushioning material, making it easier to flex the entire cushioning material and allowing the area between adjacent pairs of claw portions to be used as an opening, thereby rationally improving the cushioning performance.
  • a fifth aspect of the present invention is characterized in that, in any one of the first to fourth aspects, when viewed from the normal direction of the support surface portion (32), the claw portion (33) overlaps with the support surface portion (32), and the portion of the support surface portion (32) that overlaps with the claw portion (33) when viewed from the normal direction is a through portion (32d) that penetrates in the normal direction.
  • the portion of the support surface portion that overlaps with the claw portion when viewed from the normal direction is made into a through portion that penetrates in the normal direction, so that the claw portion that overhangs the support surface portion can be easily molded by parting in the normal direction.
  • a sixth aspect of the present invention is characterized in that, in any one of the first to fifth aspects, the buffer member (21) has a cylindrical shape with its axial direction aligned along the normal direction of the support surface portion (32) when attached to the retaining portion (31), and the retaining portion (31) is formed in an area opposite the opening (35) in the insertion/removal direction of the buffer member (21) and includes a semicircular portion (34) surrounding half the circumference of the buffer member (21), and a fastening portion (36) extending along the circumferential direction from a circumferential end of the semicircular portion (34) and surrounding an area exceeding half the circumference of the buffer member (21).
  • a semicircular portion covering half of the circumference of the cushioning member is formed in the area opposite the opening in the holding portion for the cylindrical cushioning member whose axial direction is aligned in the normal direction of the support surface portion, and a fastening portion covering an area exceeding half of the circumference of the cushioning member is formed in the extended portion of the semicircular portion.
  • a seventh aspect of the present invention is characterized in that, in any one of the first to sixth aspects, the support surface portion (32) is provided with a locking portion (37) protruding above the support plane (32a), the locking portion (37) engages with an opposing portion of the buffer member (21) in a state in which the buffer member (21) is attached to the holding portion (31), and a sloped portion (37a) is formed on the opening (35) side of the locking portion (37) such that the protruding height from the support surface portion (32) becomes lower as it approaches the opening (35).
  • the locking portion protruding from the support plane is engaged with the end (opposing portion) of the cushioning member, thereby restricting movement of the cushioning member in a direction along the support plane.
  • An eighth aspect of the present invention is the seventh aspect, characterized in that the engagement portion (37) does not overlap with the claw portion (33) when viewed from the normal direction of the support surface portion (32). According to this configuration, the locking portion protruding from the support surface portion is positioned so as to avoid the claw portion, so that the locking portion and the claw portion can be easily molded by parting the mold in the normal direction.
  • the present invention provides a shock-absorbing member mounting structure that utilizes the overall capacity of the shock-absorbing member to improve shock-absorbing performance and improve the work of mounting the shock-absorbing member.
  • FIG. 1 is a left side view of a motorcycle according to an embodiment of the present invention.
  • FIG. 4 is a top view of the rear inner fender of the motorcycle.
  • FIG. 3 is a cross-sectional view taken along line III-III of FIG.
  • FIG. 2 is a perspective view of the shock-absorbing member mounting structure according to the embodiment.
  • FIG. 5 is a perspective view of the state where the buffer member is removed from FIG. 4 .
  • FIG. 6 is a top view of FIG. 5 .
  • FIG. 7 is a cross-sectional view taken along line VII-VII of FIG.
  • ⁇ Entire vehicle> 1 shows a motorcycle (saddle-ride type vehicle) 1 as an example of an apparatus to which the shock-absorbing member mounting structure of this embodiment is applied.
  • the motorcycle 1 has a front wheel 3 which is a steering wheel, and a rear wheel 4 which is a drive wheel.
  • the front wheel 3 is supported by a pair of left and right front forks 3a, and can be steered by a bar handle 2.
  • the rear wheel 4 is supported by the rear end of a swing arm 4a, and can be driven by a power unit 8.
  • the steering system components including the handlebar 2, front fork 3a, and front wheel 3, are supported for steering by a head pipe 10a at the front end of the body frame 10.
  • the front part of the swing arm 4a is supported by a pivot frame 10c at the midpoint between the front and rear (not limited to the center) of the body frame 10 so that it can swing up and down.
  • the body frame 10 comprises a head pipe 10a, a main frame 10b extending downward and rearward from the head pipe 10a, a pivot frame 10c provided below the rear end of the main frame 10b, and a rear frame 10d connected to the upper and rear of the main frame 10b and pivot frame 10c.
  • a power unit PU is disposed below the main frame 10b and in front of the pivot frame 10c. The power unit PU is fixedly supported by the body frame 10.
  • the body frame 10 of the motorcycle 1 is covered with a body cover.
  • the body cover includes a front body cover 11a that covers the front of the body, and a rear body cover 12a that covers the rear of the body.
  • the seat 5 on which a rider sits is located above the rear body cover 12a.
  • a pair of left and right rear frames 10d are located inside the rear body cover 12a, along with a rear inner fender 15 whose left and right sides are supported by the left and right rear frames 10d.
  • the bottom plate 5b of the seat 5 is located above the rear inner fender 15, and a portion of this seat bottom plate 5b is supported from below by a seat support portion 20 provided on the rear inner fender 15.
  • the reference symbol 15a in the figure indicates an item storage portion formed in the rear inner fender 15.
  • the cushioning member mounting structure of the embodiment is applied to the seat support portion 20.
  • the cushioning member mounting structure includes a cushion rubber (cushioning member) 21 and a holding portion 31 that holds the cushion rubber 21.
  • the cushion rubber 21 is provided between a rear inner fender (first equipment part) 15 that is fixed to the vehicle body side and a seat bottom plate (second equipment part) 5b that is detachable from the vehicle body side and supported by the rear inner fender 15 in a state where it is attached to the vehicle body side.
  • the holding portion 31 is provided on the rear inner fender 15.
  • the "detachment" of the seat 5 and the seat bottom plate 5b corresponds to the "opening and closing" of the space under the seat. It can be said that the seat 5 and the seat bottom plate 5b can be opened and closed relative to the vehicle body side.
  • the seat 5 and the seat bottom plate 5b may be configured to be opened and closed by rotating around a hinge shaft.
  • the left and right side portions (left and right fender sides) 16 of the rear inner fender 15 are, for example, semicircular in cross section and are formed to fit along the outer surface of the rear frame 10d made of a circular steel pipe.
  • the left and right fender sides 16 are supported by fitting from above into the left and right rear frames 10d on the same side.
  • the rear inner fender 15 is attached integrally to the left and right rear frames 10d, with the left and right fender sides 16 being supported by the left and right rear frames 10d, etc.
  • the upper surface of the left and right fender side portions 16 is provided with seat support portions 20 that contact and support the left and right side portions of the seat bottom plate 5b from below.
  • the seat support portions 20 enable the seating load input to the seat 5 to be supported by the left and right rear frames 10d via the cushion rubber 21 and the retaining portion 31.
  • the cushion rubber 21 is cylindrical with its axial direction facing the up-down direction, and is molded as a single piece using an elastic material such as rubber.
  • the cushion rubber 21 is formed with a through hole 22 that has a circular cross section and penetrates in the up-down direction, and a groove 24 that has a rectangular cross section is formed around the entire outer periphery.
  • the cushion rubber 21 has a cylindrical portion 23 that forms a through hole 22 inside, and a pair of disk portions 26, 27 that are spaced above and below the extended cylindrical portion via a groove 24.
  • the upper disk portion 26 is an external contact portion that contacts the mating part (seat bottom plate 5b), and the lower disk portion 27 is a support surface contact portion that contacts the upper surface (support plane) of the retaining portion 31.
  • reference numeral 25 indicates a groove portion (constricted portion) that forms the groove 24 in the cushion rubber 21
  • reference numerals 28a, 28b indicate the upper and lower end surfaces of the cushion rubber 21
  • line C1 indicates the central axis of the cushion rubber 21.
  • the direction along the axis C1 is referred to as the axial direction, and the direction perpendicular to the axis C1 is referred to as the radial direction.
  • the cushion rubber 21 is rotationally symmetrical about the axis C1, and is also vertically symmetrical with respect to a central transverse plane in the axial direction.
  • a plurality of radially extending semicircular cross-sectional end face grooves 29a are formed radially on the upper and lower end faces 28a, 28b (the axially outer end faces of the upper and lower disc portions 26, 27) of the cushion rubber 21.
  • a flat chamfer 29b is formed on the outer periphery of the upper and lower end faces 28a, 28b.
  • holding portions 31 for holding the cushion rubber 21 are formed on the upper surface sides of the left and right fender side portions 16.
  • the holding portions 31 are molded integrally with the rear inner fender 15 using the same resin material.
  • the retaining portions 31 are base portions formed on the upper surfaces of the left and right fender side portions 16 of the rear inner fender 15, each having a semicircular cross section, and each having a substantially horizontal upper surface.
  • the retaining portion 31 comprises a bottom surface portion (support surface portion) 32 that is generally circular in plan view, a plurality of claw portions 33 (three in this embodiment) arranged on the outer periphery of the bottom surface portion 32, a semicircular portion 34 formed over half the circumference on the outer periphery of the bottom surface portion 32 on the outer side in the vehicle width direction, an opening portion 35 formed on the outer periphery of the bottom surface portion 32 on the inner side in the vehicle width direction (diametrically opposite the semicircular portion 34), fastening portions 36 formed on both sides of the opening portion 35 in the circumferential direction of the bottom surface portion 32, and a central protrusion 37 formed in the center of the bottom surface portion 32.
  • the bottom surface portion 32 forms a flat upper surface (support plane) 32a on the upper surface side of the left and right fender side portions 16.
  • the upper surface 32a formed by the bottom surface portion 32 is formed in a so-called half-moon shape with a straight portion (cutout portion) 32b along the length direction of the rear frame 10d on the inner side in the vehicle width direction of the perfect circle shape in a plan view.
  • the radius of the perfect circle shape of the bottom surface portion 32 is substantially the same as the radius of the upper and lower disc portions 26, 27 of the cushion rubber 21.
  • the bottom surface portion 32 abuts and supports the cushion rubber 21 at a specified position (holding position) on the upper surface 32a, and this cushion rubber 21 is held in the holding position by multiple claw portions 33. With the cushion rubber 21 held by the holding portion 31, the disc portion 27 on the bottom surface portion 32 side of the cushion rubber 21 has a portion on the inner side in the vehicle width direction that slightly protrudes from the bottom surface portion 32.
  • the multiple claw portions 33 are arranged at the outer end in the vehicle width direction and at both ends in the front-rear direction of the bottom surface portion 32.
  • the multiple claw portions 33 are provided partially around the holding position on the bottom surface portion 32 that holds the buffer member.
  • the multiple claw portions 33 are spaced apart from each other in the circumferential direction. When viewed from the normal direction of the bottom surface portion 32, the multiple claw portions 33 are arranged separated from each other in the circumferential direction (discontinuously) so as to surround the buffer member and the holding position.
  • the space between the inner sides in the vehicle width direction of the claw portions 33 at both ends in the front-rear direction of the bottom surface portion 32 is an opening 35 that allows the lower disc portion 27 of the cushion rubber 21 to be inserted and removed from the holding position of the bottom surface portion 32.
  • Each claw portion 33 has a standing portion 33a that extends upward in the normal direction of the bottom portion 32 from the claw installation position on the outer periphery of the bottom portion 32, and a claw body 33b that extends and curves from the upper end of the standing portion 33a toward the inner periphery of the bottom portion 32 in a plan view.
  • the standing portion 33a is plate-shaped with the width direction being the tangent direction of the bottom portion 32 at the claw installation position, and extends upward at a constant width.
  • the claw portion 33 is plate-shaped with the same width as the standing portion 33a, and extends from the upper end of the standing portion 33a toward the inner periphery a length of about one-third the radius of the bottom portion 32.
  • the claw body 33b of each claw portion 33 overlaps with the bottom surface portion 32.
  • a rectangular cutout portion 32d slightly larger than the claw body 33b is formed in the bottom surface portion 32 at a portion where the bottom surface portion 32 overlaps with each claw body 33b in the top view.
  • the cutout portion 32d is a through portion that penetrates the bottom surface portion 32 in the normal direction. This makes it possible to easily mold the claw body 33b of the claw portion 33 that overhangs the bottom surface portion 32 when molding the pedestal-shaped holding portion 31 by splitting in the normal direction.
  • the mold for molding the lower surface 33c of the claw body 33b can be constructed by splitting in the normal direction without using a slide mold that appears and disappears in the radial direction along the bottom surface portion 32.
  • the semicircular portion 34 is formed along the outer peripheral shape of the bottom surface portion 32 on the outer side in the vehicle width direction (the side opposite the opening 35 in the radial direction).
  • the semicircular portion 34 is formed across between the claw portions 33 at both ends of the bottom surface portion 32 in the front-rear direction.
  • the semicircular portion 34 has a height in the up-down direction that is approximately half the height of the standing portion 33a of the claw portion 33.
  • the opening 35 is formed on the inside of the bottom portion 32 in the vehicle width direction (one side in the direction along the upper surface 32a of the bottom portion 32).
  • the opening 35 is formed between the claw portions 33 at both ends of the bottom portion 32 in the front-rear direction.
  • the opening 35 does not have a convex portion that protrudes above the upper surface 32a formed by the bottom portion 32. Therefore, the cushion rubber 21 can insert the lower disc portion 27 into the retaining portion 31 by abutting the lower surface (lower end surface 28b) of the lower disc portion 27 against the inside of the upper surface 32a of the bottom portion 32 in the vehicle width direction and moving the lower disc portion 27 radially along the upper surface 32a of the bottom portion 32.
  • the fastening portions 36 are formed on both front-rear sides of the opening 35 on the inner side in the vehicle width direction of the bottom surface portion 32.
  • the fastening portions 36 extend from the inner side in the vehicle width direction of the claw portions 33 at both front-rear direction ends, for example, along the outer peripheral shape of the bottom surface portion 32 to approximately the width of the claw portions 33.
  • the outer peripheral portion of the lower disc portion 27 held within the holding portion 31 is held by the semicircular portion 34 and the multiple claw portions 33 in a semicircular range on the outer side in the vehicle width direction, and the outer peripheral portion is held so that an area exceeding the semicircular range at the front and rear ends is embraced by the fastening portions 36.
  • the opening width (first opening width) 35a in the front-rear direction of the opening 35 is approximately the same as the diameter of the bottom surface portion 32 and the diameter of the lower disc portion 27 of the cushion rubber 21, while the opening width (second opening width) 36a in the front-rear direction between the front and rear fastening portions 36 is made narrower than the first opening width 35a in the front-rear direction of the opening 35.
  • the effective opening width (second opening width) 36a of the opening 35 is narrower than the respective diameters of the bottom surface portion 32 and the cushion rubber 21, and the lower disc portion 27 held within the holding portion 31 is prevented from escaping toward the opening 35.
  • the fastening portions 36 are formed so that their protruding height from the bottom surface portion 32 decreases the further they are from the front and rear claw portions 33 inward in the vehicle width direction, but the protruding height from the bottom surface portion 32 may be kept constant.
  • the fastening portions 36 may be formed so that the front and rear ends of the semicircular portion 34 are extended in the circumferential direction.
  • the protruding height and circumferential extension length of the fastening portions 36 are appropriately set depending on the balance between the ease of attachment and removal of the cushion rubber 21 and the holding power.
  • the central convex portion 37 protrudes from the upper surface 32a of the bottom surface portion 32.
  • the central convex portion 37 is fitted into the lower end of the through hole 22 of the cushion rubber 21 held by the holding portion 31, and restricts the movement of the cushion rubber 21 toward the opening 35 (detachment from the holding portion 31).
  • the central convex portion 37 has, for example, a circular ring shape in a plan view, and the cross-sectional shape of the protruding tip side is semicircular.
  • the central convex portion 37 is formed in an area that does not overlap with the claw body 33b of each claw portion 33 in a top view, and can be easily molded by splitting the mold in the normal direction of the holding portion 31.
  • the central convex portion 37 is formed so that the half circumference on the outer side in the vehicle width direction has a constant protruding height from the bottom surface portion 32, while the half circumference on the inner side in the vehicle width direction is formed so that the protruding height from the bottom surface portion 32 decreases the further inward in the vehicle width direction.
  • the central protrusion 37 climbs over the lower end surface 28b of the cushion rubber 21 and fits into the lower end of the through hole 22, and the outer portion 37b of the central protrusion 37 in the vehicle width direction engages with the inner circumference of the through hole 22. This restricts the movement of the cushion rubber 21 inward in the vehicle width direction, i.e., toward the opening 35.
  • the claw bodies 33b of the front and rear claw portions 33 of the holding portion 31 are inserted into the front and rear portions of the groove portion 25 of the cushion rubber 21 from the outside in the vehicle width direction.
  • the claw bodies 33b of the front and rear claw portions 33 move while sliding inside the groove portion 25 in the vehicle width direction.
  • the claw bodies 33b of the front and rear claw portions 33 reach the front and rear ends of the groove portion 25 of the cushion rubber 21 (prescribed engagement positions).
  • the claw body 33b of the claw portion 33 on the outer side in the vehicle width direction of the holding portion 31 is inserted radially into the end of the groove portion 25 of the cushion rubber 21 on the outer side in the vehicle width direction.
  • the lower surface 33c of the claw body 33b of each claw portion 33 abuts against the upper surface 27a facing the groove portion 25 of the lower disc portion 27 of the cushion rubber 21.
  • a gap 33e is formed between the upper surface 33d of the claw body 33b of each claw portion 33 and the lower surface 26a facing the groove portion 25 of the upper disc portion 26 of the cushion rubber 21 when no load is applied, thereby improving the shock absorption.
  • the lower disc portion 27 of the cushion rubber 21 is sandwiched and held between the lower surface 33c of the claw body 33b of each claw portion 33 and the upper surface 32a of the bottom surface portion 32 in the vertical direction.
  • the cushion rubber 21 is prevented from detaching above the bottom surface portion 32, and the engagement between the lower end of the through hole 22 and the central protrusion 37 is maintained, while the engagement between the fasteners 36 on both sides of the opening 35 and the lower disc portion 27 is maintained.
  • the holding portion 31 of the embodiment holds the cushion rubber 21 with three claws 33, so that most of the groove 25 of the cushion rubber 21 is used in an open state, compared to a configuration in which a flange is inserted around the entire circumference of the groove 25 of the cushion rubber 21. This makes it easier for the entire cushion rubber 21 to bend in the axial direction, and allows the seat load to be flexibly supported (in other words, improves cushioning performance).
  • the cushioning member mounting structure of the embodiment includes a cushioning member (cushion rubber 21) provided between a first equipment part (rear inner fender 15) and a second equipment part (seat bottom plate 5b) supported by the first equipment part, and a holding part 31 that holds the cushion rubber 21 on one of the first equipment part and the second equipment part.
  • the holding part 31 includes a support surface part (bottom surface part 32) that abuts against the cushion rubber 21, a claw part 33 that is partially provided around the holding position on the bottom surface part 32 that holds the cushion rubber 21 and holds the cushion rubber 21 in the holding position, and an opening 35 that is provided on one side (inner in the vehicle width direction) in a direction along the support plane (upper surface 32a) of the bottom surface part 32 and allows the cushion rubber 21 to be inserted and removed to the holding position along the upper surface 32a.
  • a support surface part bottom surface part 32
  • a claw part 33 that is partially provided around the holding position on the bottom surface part 32 that holds the cushion rubber 21 and holds the cushion rubber 21 in the holding position
  • an opening 35 that is provided on one side (inner in the vehicle width direction) in a direction along the support plane (upper surface 32a) of the bottom surface part 32 and allows the cushion rubber 21 to be inserted and removed to the holding position along the upper surface 32a.
  • the holding portion 31 for the cushion rubber 21 provided on the rear inner fender 15 comprises a bottom surface portion 32 that abuts and supports the cushion rubber 21, claw portions 33 that are partially provided around the holding position that holds the cushion rubber 21, and an opening 35 that allows the cushion rubber 21 to be inserted and removed from one side in the direction along the surface of the upper surface 32a.
  • the cushion rubber 21 is held by the claws 33 that are partially provided around the holding position, so compared to the conventional configuration in which the flange is inserted around the entire circumference of the groove 25 of the cushion rubber 21, it is possible to utilize the entire capacity of the cushion rubber 21 to bend it, improving the cushioning performance.
  • the seat bottom plate 5 b is an opening/closing body that is detachable or opened/closed with respect to the rear inner fender 15 , and the holding portion 31 is provided on the rear inner fender 15 .
  • the holding portion 31 of the cushion rubber 21 is provided on the main body side (rear inner fender 15) rather than on the opening/closing body (seat bottom plate 5b), the possibility of the cushion rubber 21 falling off due to the opening and closing movement of the holding portion 31 is eliminated, and the configuration of the holding portion 31 can be simplified.
  • the cushion rubber 21 includes a constriction portion (groove portion 25) that fits with the claw portion 33, a support surface contact portion (lower disc portion 27) that has a cross-sectional area larger than that of the groove portion 25 and is positioned between the bottom surface portion 32 and the claw portion 33 in the normal direction of the bottom surface portion 32, and an external contact portion (upper disc portion 26) that is positioned on the opposite side of the bottom surface portion 32 than the claw portion 33 in the normal direction and abuts against the rear inner fender 15 and a mating part (seat bottom plate 5b) within the seat bottom plate 5b.
  • this configuration by making the mounting structure of the cushion rubber 21 have a groove portion (constricted portion) 25 between the upper and lower disc portions 26, 27, it can be easily applied even when using an existing grommet-type cushion rubber 21.
  • the claw portions 33 are arranged discontinuously so as to surround the cushion rubber 21 when viewed from the normal direction of the bottom surface portion 32, and the opening 35 is formed between each pair of adjacent claw portions 33.
  • the cushion rubber 21 is held by a plurality of discontinuously arranged claw portions 33 surrounding the cushion rubber 21, making it easier to flex the entire cushion rubber 21 and allowing the area between adjacent pairs of claw portions 33 to be used as an opening 35, thereby enabling the cushioning performance to be improved rationally.
  • the claw portion 33 when viewed from the normal direction of the bottom surface portion 32, the claw portion 33 overlaps with the bottom surface portion 32, and when viewed from the normal direction, the portion of the bottom surface portion 32 that overlaps with the claw portion 33 forms a through portion (cutout portion 32d) that penetrates in the normal direction.
  • the portion of the bottom surface portion 32 that overlaps with the claw portion 33 when viewed from the normal direction is made into a through portion (cutout portion 32d) that penetrates in the normal direction, so that the claw portion 33 that overhangs the bottom surface portion 32 can be easily molded by splitting the mold in the normal direction.
  • the cushion rubber 21 when the cushion rubber 21 is attached to the retaining portion 31, it has a cylindrical shape with its axial direction aligned along the normal direction of the bottom surface portion 32, and the retaining portion 31 is formed in the area opposite the opening 35 in the insertion/removal direction of the cushion rubber 21 and is equipped with a semicircular portion 34 that surrounds half the circumference of the cushion rubber 21, and a fastening portion 36 that extends along the circumferential direction from the circumferential end of the semicircular portion 34 and surrounds an area exceeding half the circumference of the cushion rubber 21.
  • a semicircular portion 34 covering half the circumference of the cushion rubber 21 is formed in the area opposite the opening 35 in the holding portion 31 for the cylindrical cushion rubber 21 whose axial direction is aligned in the normal direction of the bottom portion 32, and a fastening portion 36 covering an area exceeding half the circumference of the cushion rubber 21 is formed in the extension of the semicircular portion 34.
  • the bottom surface portion 32 has an engaging portion (central convex portion 37) that protrudes above the upper surface 32a, and the central convex portion 37 engages with the opposing portion of the cushion rubber 21 (the lower end portion of the through hole 22) when the cushion rubber 21 is attached to the retaining portion 31, and on the opening 35 side of the central convex portion 37, an inclined portion 37a is formed that reduces the protruding height from the bottom surface portion 32 toward the opening 35 side.
  • the central convex portion 37 protruding from the upper surface 32a is engaged with the lower end portion (opposing portion) of the cushion rubber 21, thereby restricting movement of the cushion rubber 21 in a direction along the upper surface 32a.
  • the central convex portion 37 does not overlap with the claw portion 33 when viewed from the normal direction of the bottom surface portion 32 . According to this configuration, the central convex portion 37 protruding from the bottom surface portion 32 is positioned to avoid the claw portion 33, so that the central convex portion 37 and the claw portion 33 can be easily molded by splitting the mold in the normal direction.
  • the cylindrical grommet is one example of a shock-absorbing member, and the present invention is applicable to the attachment of shock-absorbing members of various configurations.
  • the configuration of the holding portion 31 (the number and arrangement of the claws 33, etc.) may also be various.
  • the holding portion 31 may have a support surface portion that is inclined or erected with respect to the horizontal plane, and the buffer member is supported by contacting this support surface portion. In this case, it is preferable to arrange an opening 35 on the upper side of the holding portion 31 and arrange the claws 33 on the lower side of the holding portion 31 to restrict the downward movement (falling off) of the buffer member.
  • the shock-absorbing member mounting structure of this embodiment may be applied to saddle-ride type vehicles other than motorcycles.
  • the saddle-ride type vehicles include all vehicles on which a driver straddles the vehicle body, including not only motorcycles (including motorized bicycles and scooter-type vehicles), but also three-wheeled vehicles (including vehicles with one front wheel and two rear wheels, as well as vehicles with two front wheels and one rear wheel) or four-wheeled vehicles (such as four-wheeled buggies). It may be applied to vehicles that include an electric motor as a prime mover. It may be applied to vehicles other than saddle-ride type vehicles (passenger cars, buses, trucks, etc.). Further, in this embodiment, the holding portion is formed on the rear inner fender, but the holding portion may be formed on other members, such as the frame of the vehicle.
  • the shock absorbing member mounting structure of this embodiment is applied to a vehicle, but the present invention is not limited to application to vehicles, and may be applied to various vehicles and moving bodies such as various transport equipment such as aircraft and ships, as well as construction machinery, industrial machinery, etc. Furthermore, the present invention can be widely applied to equipment other than vehicles that has shock absorbing members mounted between parts, such as hand-pushed lawnmowers and cleaning machines.
  • the configurations in the above-described embodiments are merely examples of the present invention, and various modifications are possible without departing from the gist of the present invention, such as replacing the components of the embodiments with well-known components.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vibration Dampers (AREA)
PCT/JP2023/013631 2023-03-31 2023-03-31 緩衝部材取付構造 Ceased WO2024202039A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2023/013631 WO2024202039A1 (ja) 2023-03-31 2023-03-31 緩衝部材取付構造
JP2025509621A JP7851482B2 (ja) 2023-03-31 2023-03-31 緩衝部材取付構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2023/013631 WO2024202039A1 (ja) 2023-03-31 2023-03-31 緩衝部材取付構造

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WO2024202039A1 true WO2024202039A1 (ja) 2024-10-03

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55163281U (https=) * 1979-05-14 1980-11-22
JPH10316066A (ja) * 1997-05-16 1998-12-02 Honda Motor Co Ltd シート支持構造
JP2010014216A (ja) * 2008-07-04 2010-01-21 Daiwa Kasei Kogyo Kk クッションクリップ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55163281U (https=) * 1979-05-14 1980-11-22
JPH10316066A (ja) * 1997-05-16 1998-12-02 Honda Motor Co Ltd シート支持構造
JP2010014216A (ja) * 2008-07-04 2010-01-21 Daiwa Kasei Kogyo Kk クッションクリップ

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JPWO2024202039A1 (https=) 2024-10-03

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