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WO2012007991A1 - Jante pour pneu sans chambre - Google Patents

Jante pour pneu sans chambre Download PDF

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Publication number
WO2012007991A1
WO2012007991A1 PCT/JP2010/004566 JP2010004566W WO2012007991A1 WO 2012007991 A1 WO2012007991 A1 WO 2012007991A1 JP 2010004566 W JP2010004566 W JP 2010004566W WO 2012007991 A1 WO2012007991 A1 WO 2012007991A1
Authority
WO
WIPO (PCT)
Prior art keywords
ring
cover member
rim
tubeless tire
hole
Prior art date
Application number
PCT/JP2010/004566
Other languages
English (en)
Japanese (ja)
Inventor
山名義則
犬丸克己
萩原博
高橋伸明
Original Assignee
エキセルリム株式会社
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 エキセルリム株式会社 filed Critical エキセルリム株式会社
Priority to PCT/JP2010/004566 priority Critical patent/WO2012007991A1/fr
Publication of WO2012007991A1 publication Critical patent/WO2012007991A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B1/00—Spoked wheels; Spokes thereof
    • B60B1/02—Wheels with wire or other tension spokes
    • B60B1/04—Attaching spokes to rim or hub
    • B60B1/043—Attaching spokes to rim
    • B60B1/044—Attaching spokes to rim by the use of spoke nipples
    • B60B1/047—Attaching spokes to rim by the use of spoke nipples the nipple comprising sealing means

Definitions

  • the present invention relates to a tubeless tire rim having a structure in which a through hole for a nipple that locks a spoke of a wheel spoke to the rim is sealed.
  • a tubeless tire rim used in a spoke wheel has a through hole for a nipple for locking the spoke to the rim.
  • the tubeless tire is used by attaching a tire to a rim and filling it with air, and can achieve weight reduction and puncture resistance.
  • the nipple hole is provided with a clearance for moving the nipple. As a result, the nipple hole has poor airtightness, and air leaks from the hole.
  • Patent Document 1 in a wire spoke wheel in which a plurality of wire spokes are stretched between a hub and a rim, a belt-shaped ring made of an elastic material such as rubber is fitted to the drop of the rim, and the outer periphery of the drop portion
  • a tubeless tire rim having a sealed structure in which the surface is in close contact with a predetermined surface pressure.
  • this conventional tubeless tire rim sealing structure is in close contact with the outer peripheral surface of the drop portion with a predetermined surface pressure by a belt-like ring made of an elastic body such as rubber. For this reason, when the rim is originally bent due to deformation of the tire, this bending is absorbed by the movement of the nipple.
  • the nipple also adheres the band-shaped ring with a predetermined surface pressure. Therefore, when the nipple moves due to the bending of the rim, the band-shaped ring is pushed up. As a result, the belt-like ring is damaged by repeatedly being pushed up by the nipple, and there is a problem that air leakage occurs.
  • the belt-shaped ring seals the outer peripheral surface of the drop part by the surface pressure of an elastic body such as rubber, the belt-shaped ring itself is replaced when air leakage occurs due to aging of the belt-shaped ring.
  • maintenance costs are incurred, and when replacing the ring-shaped ring formed in an annular shape due to the difference between the diameter of the outer peripheral surface of the drop part and the diameter of the outer periphery of the rim, it resists surface pressure.
  • workability is poor because the belt-like ring must be expanded and attached and removed, and the replacement work takes a lot of time.
  • the band-shaped ring made of an elastic material needs to have a smaller diameter than the outer diameter of the drop in order to improve adhesion.
  • the belt-like ring is strongly pulled when attached to the drop. For this reason, the belt-like ring is continuously pulled and the deterioration speed increases. Therefore, it is considered that the belt-shaped ring is damaged due to an impact received during traveling or deterioration. Therefore, there is also a problem that there is anxiety in safety when using for a long time.
  • the spoke rim is formed between a pair of annular bead seats extending in the tire axial direction and an annular recess provided radially inwardly between the pair of bead seats in the tire axial direction inner ends.
  • a plurality of attachment holes provided in the well, and attachment portions for attaching the outer ends of the spokes are arranged in the well, and the well has a circumferential direction over substantially the entire circumference of the well.
  • a rim for a tubeless tire having a sealing structure in which a sealing material made of an elastic material is arranged, and a non-extensible annular band for fastening the sealing material to a well and pressing it against the rim is provided outside the sealing material in the radial direction Has been proposed.
  • an attachment hole for attaching a nipple for locking the spoke to the rim is formed over substantially the entire circumference of the well (drop portion).
  • a seal member made of an elastic material is disposed in the direction, and a non-stretchable annular band that tightens the seal material and presses it against the rim is provided outside the seal material in the radial direction.
  • the movement of the nipple is restricted by the sealing material and the annular band, so that the bending and distortion of the spoke due to the deformation of the rim cannot be absorbed. For this reason, there is a problem that the spoke is bent or damaged, and the hub to which the spoke is attached is damaged.
  • the sealing material made of an elastic material is disposed over the entire circumference of the well (drop portion) and then tightened by an annular band, wrinkles and the like occur in the tightened portion, and air leakage is a concern.
  • the annular band is exposed on the upper surface of the sealing material, there is a problem that the tire hits and shifts when the tire is assembled.
  • the present invention was made in view of such circumstances, easily remove and install the seal member, can suppress aging deterioration and breakage during running for a long time, and can suitably adhere the seal material to the drop part, It is another object of the present invention to provide a tubeless tire rim that can secure a movable region of a nipple that stops the spoke on the rim.
  • a first aspect of the present invention is formed in a ring shape having a predetermined width, a concave drop portion is formed in a central portion in the width direction, and a spoke is formed in the drop portion.
  • an open ring-shaped cover member covering the through-hole is provided above the drop portion.
  • a seal made of an elastic material that hermetically seals the upper space of the drop portion in which the through hole is formed together with the cover member by being pressed against the upper surface of the drop portion along the outer peripheral edge of the lower surface side of the cover member A member is provided, and ends of the ring-opening portion of the cover member are detachably connected by an engagement means.
  • the cover member is formed in a ring-opening ring shape by a plurality of divided cover members in the circumferential direction, and each divided cover.
  • the seal member is provided along the outer peripheral edge on the lower surface side of the member, and the ends of the ring-opening portion of the cover member are detachably connected by the engagement means. It is characterized by.
  • the 3rd aspect of this invention is the tubeless rim of the said 1st or 2nd aspect.
  • the said engagement means the edge parts of the said ring opening part of the said ring-opening ring-shaped cover member, It is characterized in that it is detachably connected by screwing of a tightening bolt.
  • the engagement means is configured such that ends of the ring-opening portion of the ring-shaped ring-shaped cover member are fastened to each other.
  • an arc-shaped recess is provided on the opposite side of the projecting portions facing each other, and the shape of the arc-shaped recess is formed.
  • a corresponding semi-circular sliding member that is slidable on the arcuate surface is slidably disposed in the arcuate recess, and a tightening bolt is inserted through the hole formed in the protrusion. It is characterized by.
  • the engagement means is configured so that ends of the ring-opening portions of the ring-shaped ring-shaped cover member are It is characterized in that it is detachably connected by tightening a toggle clamp.
  • the ring-opening ring-shaped cover member is formed by attaching a valve member for injecting air. It is fixed to a tire rim or fitted into a valve hole. In the case of fitting into the valve hole, the valve member is attached to the cover member, and the cover member is fitted into the valve hole of the rim.
  • the cover member is formed of a material or a shape that can follow the amount of deformation and deformation of the rim. It is characterized by that. (The invention's effect)
  • the tubeless tire rim forms a concave drop portion in the ring-shaped central portion having a predetermined width, and the drop portion has a spoke. Since a through-hole into which a nipple for locking the end portion is inserted is formed and a ring-shaped ring-shaped cover member covering the through-hole is detachably connected by an engaging means, the cover member is The ring-opening portion can be opened and fitted from above the outer periphery of the drop portion, and the cover member can be easily attached in a detachable manner by the engaging means, thereby improving work efficiency.
  • a seal member made of an elastic material that is pressed against the upper surface of the drop portion is provided along the outer peripheral edge on the lower surface side of the cover member, the seal member is pressed when pressed against the upper surface of the drop portion. Wrinkles are not approached and are securely pressed against the upper surface of the drop portion. Thereby, it can work efficiently, without requiring skill.
  • the seal member is provided on the lower surface side of the cover member, and forms a gap between the drop part in which the through hole is formed and the cover member, and airtightly opens the space above the drop part. Therefore, when the nipple moves along the through hole, the movement is not restricted. As a result, even if the tubeless tire rim is deformed during traveling due to the road surface condition, the spoke can absorb the deflection by moving the nipple. Further, the cover member is not pushed up by the movement of the nipple. Therefore, the cover member can be prevented from being damaged, and the spoke and the hub to which the spoke is engaged can be prevented from being deformed by the tubeless tire rim.
  • the seal member is pressed between the drop portion and the ring-shaped ring-shaped cover member by means of the cover member engaging means, so that it is not necessary to keep the seal member always pulled.
  • the speed of aging deterioration can be suppressed, and deterioration during traveling and damage due to an impact can be prevented, so that it can be used safely for a long period of time.
  • each of the divided covers is formed from the outside of the drop portion of the rim for the tubeless tire in order to form the cover member in a ring-opening ring shape by a plurality of divided cover members.
  • each of the seal members can be pressed against the upper surface of the drop portion by a plurality of engagement means.
  • the seal member is not displaced or wrinkled by this pressure contact, and airtightness can be improved.
  • the ends of the ring-opening portion of the ring-shaped ring-shaped cover member are detachably connected by screwing a tightening bolt. Even if the outer diameter varies depending on the manufacturing rod, it can be reliably tightened without being influenced by the variation, and the tightening operation can be performed efficiently.
  • the arcuate recess is provided on the opposite side of the opposing projecting portions constituting the engaging means, and corresponds to the shape of the arcuate recess.
  • An approximately semicircular sliding member that can slide on the arcuate surface is slidably disposed in the arcuate recess, and a tightening bolt is inserted through the hole formed in the protrusion. Even if the bolt and nut as the coupling means are strongly tightened, the arcuate surface of the sliding member slides in the arcuate recess, so that the tightening surfaces can be kept parallel to each other. Therefore, the tightening contact portion does not become a point contact, and there is an advantage that the divided cover member does not float even if the bolt is tightened more strongly.
  • the ends of the ring-opening portion of the ring-shaped cover member are detachably connected by tightening a toggle clamp, there is no need to perform a tightening operation with a tool. And it can be securely tightened. As a result, even an unskilled worker can improve work efficiency and prevent air leakage due to insufficient tightening.
  • the ring-shaped ring-shaped cover member is fixed to the tubeless tire rim or fitted to the valve hole by attaching the valve member for injecting air,
  • the rim is sometimes rotated at high speed or stopped by braking, it is possible to prevent the rotational direction from being shifted due to inertia.
  • the mounting position of the cover member is determined by the position of the valve member, air leakage caused by the positional shift of the cover member can be prevented. Thereby, the stable quality of assembly
  • attachment can be maintained, without requiring skill.
  • the cover member is formed of a material or shape that can follow the amount of deformation and deformation of the rim, even if the rim is deformed by an impact caused by unevenness of the road surface during traveling, etc.
  • the cover member is also deformed following the deformation. Thereby, it is possible to prevent the cover member from being lifted from the drop part and to stabilize the adhesion.
  • FIG. 1A shows an embodiment of a rim for a tubeless tire according to the present invention, and is a cross-sectional explanatory view of a through-hole portion for a nipple.
  • FIG. 1B is the same as FIG. 1A, but is a cross-sectional explanatory view of the ring opening.
  • FIG. 2 is an explanatory view showing an embodiment of a rim for a tubeless tire according to the present invention, in which a cover member fitted with a seal member is detachably connected by an engaging means.
  • FIG. 1A shows an embodiment of a rim for a tubeless tire according to the present invention, and is a cross-sectional explanatory view of a through-hole portion for a nipple.
  • FIG. 1B is the same as FIG. 1A, but is a cross-sectional explanatory view of the ring opening.
  • FIG. 2 is an explanatory view showing an embodiment of a rim for a tubeless tire according to the
  • FIG. 3 shows an embodiment of a rim for a tubeless tire according to the present invention, and is an explanatory view for explaining a state in which a seal member and a cover member are fitted to the rim for a tubeless tire.
  • FIG. 4A is a right side view illustrating a tubeless tire rim according to an embodiment of the present invention and illustrating a state in which a cover member is assembled to the tubeless tire rim.
  • FIG. 4B is a cross-sectional view similar to FIG. 4A, but illustrating a state in which the cover member is assembled to the tubeless tire rim.
  • FIG. 5 is a perspective view showing an embodiment of a rim for a tubeless tire according to the present invention, in which a cover member fitted with a seal member is detachably connected by an engaging means.
  • FIG. 6 is a perspective view showing an embodiment of a rim for a tubeless tire according to the present invention, in which a cover member fitted with a seal member is fitted to the rim for a tubeless tire.
  • FIG. 7A shows another embodiment of the rim for a tubeless tire according to the present invention, and is a cross-sectional explanatory view of a through-hole portion for a nipple.
  • FIG. 7B is a sectional view similar to FIG. FIG.
  • FIG. 8 shows another embodiment of the rim for a tubeless tire according to the present invention, and is an explanatory view showing that the divided cover member fitted with the seal member is detachably connected by the engaging means.
  • FIG. 9 shows another embodiment of the rim for a tubeless tire of the present invention, and is an explanatory view for explaining a state in which a seal member and a divided cover member are fitted to the rim for a tubeless tire.
  • FIG. 10A is a right side view illustrating another embodiment of the rim for a tubeless tire according to the present invention and illustrating a state in which a divided cover member is assembled to the rim for a tubeless tire.
  • FIG. 10B is a cross-sectional view similar to FIG.
  • FIG. 11 is a perspective view showing another embodiment of the rim for a tubeless tire according to the present invention and showing a state in which a divided cover member fitted with a seal member is detachably connected by an engaging means.
  • FIG. 12 is a perspective view showing another embodiment of the rim for a tubeless tire according to the present invention and showing a state in which a divided cover member fitted with a seal member is fitted to the rim for a tubeless tire.
  • FIG. 12A is a view showing a preferred modification of the engaging means.
  • FIG. 13 is a perspective view showing another embodiment of the engaging means for the tubeless tire rim according to the present invention, in a state where the upper toggle clamp is disengaged.
  • FIG. 14 is a perspective view showing another embodiment of the engaging means for the tubeless tire rim according to the present invention, in a state where the upper toggle clamp is tightened.
  • (First embodiment) 1A to 6 show an embodiment of a rim for a tubeless tire according to the present invention.
  • the rim for a tubeless tire according to the present invention is a drop having a predetermined width and a concave shape in a ring-shaped rim 4 made of aluminum for holding a tubeless tire t.
  • a portion 1 is formed, and through-holes 3 for inserting nipples 2 for locking the end portions of the spokes s are formed in the drop portion 1 at a plurality of locations at equal intervals in the circumferential direction.
  • a cover member 5 that covers the through hole 3 is provided above the portion 1, and a seal member 6 that presses the upper surface of the drop portion 1 along its outer peripheral edge is provided on the lower surface side of the cover member 5.
  • the ends of the ring-opening portion 5 a of the cover member 5 are roughly configured to be detachably connected by the engaging means 7.
  • the cover member 5 is formed in the ring-opening ring shape which covers the through-hole 3 extended in the circumferential direction formed in the upper surface of the drop part 1, and the one end part 5b and the other end part 5c are the ring-opening part 5a. It is in contact with.
  • the one end portion 5b and the other end portion 5c are formed with projecting portions 5d and 5e projecting from the upper surface thereof, and are detachably connected by the engaging means 7.
  • This engaging means 7 is inserted into a hole 5h that communicates with the projecting portions 5d and 5e formed in the one end portion 5b and the other end portion 5c and penetrates in the circumferential direction, and a nut 9a is screwed into the hole 5h.
  • the cover member 5 has a groove 5g formed along the outer peripheral edge on the lower surface side.
  • the groove portion 5g is formed so that the end face side is penetrated at both end portions 5b, 5c of the cover member 5.
  • the cover member 5 is formed of a material or shape that can follow the amount of rim deflection and deformation.
  • a seal member 6 is provided along the outer peripheral edge of the lower surface side of the cover member 5.
  • the seal member 6 is formed of an elastic material, is formed in an annular shape, and is fitted in a groove portion 5g formed on the outer peripheral edge on the lower surface side of the cover member 5.
  • the sealing member 6 formed in an annular shape has rising portions 6c and 6c extending in the short direction of the cover member 5 at the ends 6a and 6b.
  • the rising portions 6c and 6c protrude from the end portions 5b and 5c of the cover member 5, are fitted in the groove portion 5g, and the end portions 6a and 6b are in contact with each other at the ring-opening portion 5a.
  • the seal member 6 is hermetically sealed in an upper space of the drop portion 1 in which the through hole 3 is formed by being pressed against the upper surface of the drop portion 1 together with the cover member 5.
  • a through hole 4a is formed in the drop portion 1 of the rim 4 between the adjacent through holes 3 of the plurality of through holes 3 extending in the circumferential direction.
  • a valve member 11 for filling the tubeless tire t with air is inserted into the through hole 4a, and is inserted into a through hole 5f drilled at the same position of the cover member 5, so that the valve member 11 on the insertion side of the valve member 11 is inserted.
  • the cover member 5 is fixed to the rim 4 by screwing a nut into a screw portion formed at the end.
  • the valve member 11 may be attached to the cover member 5 and the cover member 5 may be fitted into the valve hole of the rim.
  • the drop portion 1 is drilled.
  • the nipple 2 in which one end of the spoke s is locked is inserted into the through-hole 3 provided.
  • the other end of the spoke s is connected to a hub provided at the center of the rim 4.
  • the seal member 6 is fitted into the groove portion 5g formed on the outer peripheral edge of the lower surface side of the cover member 5.
  • the seal member 6 has rising portions 6 c, 6 c formed at both ends 6 a, 6 b projecting from both ends 5 b, 5 c of the cover member 5.
  • the ring-opening portion 5 a of the cover member 5 formed in a ring-opening ring shape is opened and fitted to the upper surface of the drop 1 of the rim 4.
  • the rising portion 6c of the seal member 6 protruding from the one end portion 5b and the rising portion 6c of the seal member 6 protruding from the other end portion 5c are brought into contact with each other.
  • the tightening bolt 9 is inserted into the through-hole 5h formed in the projecting portions 5e, 5f, and the nut 9a is screwed and tightened.
  • the contact portion between the one end portion 5b and the other end portion 5c of the cover member 5 is the rising portion of the end portions 6a and 6b of the seal member 6. Since 6c protrudes outward from both end portions 5b and 5c of the cover member 5, when the tightening bolt 9 is tightened, the rising portions 6c and 6c are in close contact with each other and are in airtight contact.
  • valve member 11 is inserted through the insertion hole 4a formed in the drop portion 1 of the rim 4 for the tubeless tire, and the through hole formed at the same position as the insertion hole 4a of the rim 4 in the circumferential direction of the cover member 5
  • the cover member 5 is fixed to the rim 4 by inserting the nut 5d into the threaded portion formed at the end of the valve member 11 on the insertion side.
  • the tubeless tire t is attached to the rim 4 and filled with air from the valve member 11 to inflate the tire t to a specified pressure.
  • the rim for a tubeless tire of the present invention is a drop having a predetermined width on a ring-shaped rim 4 made of aluminum for holding the tubeless tire t and having a concave shape at the center.
  • a portion 1 is formed, and a through hole 3 for inserting a nipple 2 for locking the end portion of the spoke s is formed in the drop portion 1, and a plurality of portions covering the through hole 3 are provided above the drop portion 1.
  • a divided cover member 8 is provided, and the divided cover member 8 is provided with a seal member 6 that presses the upper surface of the drop portion 1 along the outer peripheral edge on the lower surface side thereof.
  • Each end portion 8b, 8c of 8a is schematically configured to be detachably connected by the engaging means 7.
  • segmentation cover member 8 is formed in multiple numbers (two in the figure) in the shape of a ring-opening ring which covers the through-hole 3 extended in the circumferential direction formed in the upper surface of the drop part 1, one end part 8b and the other end part 8c are opposed to each other at an interval in the ring-opening portion 8a.
  • the one end 8b and the other end 8c are formed with projecting portions 8d and 8e projecting from the upper surface thereof, and are detachably connected by the engaging means 7.
  • This engaging means communicates the projecting portions 8d and 8e of the one end portion 8b and the other end portion 8c, and inserts the tightening bolt 9 into the hole portion 8h penetrating in the circumferential direction, and screws the nut 9a to attach and detach. It is connected freely.
  • segmentation cover member 8 has the groove part 8g along the outer periphery on the lower surface side.
  • the groove portion 8g is formed at the both end portions 8b and 8c of the divided cover member 8 so as to form a groove portion 8g that is edged in the short direction and to form a ring shape on the lower surface side of the divided cover member 8. .
  • segmentation cover member 8 is formed with the material or shape which can track the bending amount and deformation amount of a rim
  • a seal member 6 is provided along the outer peripheral edge of the lower surface side of the divided cover member 8.
  • the seal member 6 is formed of an elastic material and is formed in an annular shape.
  • the seal member 6 is fitted in a groove portion 8g formed in an annular shape on the outer peripheral edge on the lower surface side of each divided cover member 8.
  • the sealing member 6 is airtightly sealing the upper space of the drop part 1 in which the through-hole 3 was formed by being press-contacted to the upper surface of the drop part 1 with the division
  • an insertion hole 4a is formed in the drop portion 1 of the rim 4 between the adjacent through holes 3 of the plurality of through holes 3 extending in the circumferential direction.
  • the valve member 11 for filling the tubeless tire t with air is inserted through the insertion hole 4a.
  • any one of the divided cover members 8 is formed with a hole portion 8f formed in the same position as the insertion hole 4a formed in the drop portion 1 of the rim 4. Then, the valve member 11 is inserted into the insertion hole 4 formed in the drop portion 1 and the hole portion 8f formed in the divided cover member 8, and the screw formed at the end portion on the insertion side of the valve member The divided cover member 8 is fixed to the rim 4 by screwing a nut into the portion.
  • the first embodiment is used. Similarly, first, the nipple 2 in which one end portion of the spoke s is locked is inserted into the through hole 3 formed in the drop portion 1. At this time, the other end of the spoke s is connected to a hub provided at the center of the rim 4.
  • the annularly formed seal member 6 is fitted into the groove 8g formed on the outer peripheral edge on the lower surface side of each divided cover member 8.
  • the seal member 6 is fitted into a groove portion 8 g formed in an annular shape on the outer peripheral edge on the lower surface side of the divided cover member 8.
  • a plurality of (two in the figure) divided cover members 8 formed in a ring-opening ring shape are attached from the outside of the drop portion 1, and the divided cover 8 is attached to the upper surface of the drop portion 1.
  • the seal member 6 provided at the peripheral edge on the lower surface side is brought into contact.
  • segmentation cover member 8 face each other at intervals, and the protrusion part 8d formed in each edge part 8b, 8c,
  • the tightening bolt 9 is inserted into the through hole 8h drilled in 8e, and the nut 9a is screwed and tightened.
  • the ring-opening portion 8a as shown in FIGS. 11 and 12, the ring-opening portion 8a between the one end portion 8b and the other end portion 8c of the split cover member 8 is opposite to both end portions 8b and 8c of the split cover member 8. Therefore, even if the outer diameter of the drop portion of the rim 4 varies or has different dimensions, the difference is absorbed by tightening the tightening bolts 9 so as to be airtightly connected.
  • valve member 11 is inserted through the insertion hole 4 a formed in the drop portion 1 of the tubeless tire rim 4 and is formed at the same position as the insertion hole 4 a of the rim 4 formed in the circumferential direction of the divided cover member 8.
  • the cover member 8 is fixed to the rim 4 by being inserted into the through-hole 8 f and screwed into a screw portion formed at the end of the valve member 11 on the insertion side. Then, the tubeless tire t is attached to the rim 4 and filled with air from the valve member 11 to inflate the tire t to a specified pressure.
  • protrusions 8d and 8e are formed on one end 8b and the other end 8c of the divided cover member 8, respectively. Removably connected.
  • the engaging means 7 is detachably connected by the tightening bolt 9 and the nut 9a, but the abutting surface between the bolt 9 and the projecting portion 8d and the abutting surface between the nut 9a and the projecting portion 8c.
  • the bolt 9 is further tightened in this state, the divided cover member 8 is urged radially outward from the rim shaft center and floats. May end up. In order to avoid such a state, as shown in FIG.
  • sliding members 8x and 8y are provided on the protruding portions 8d and 8e.
  • arc-shaped recesses 8f and 8g are provided on the respective sides of the protrusions 8d and 8e, and the arc-shaped surfaces corresponding to the shapes of the arc-shaped recesses 8f and 8g can be slid.
  • Circular sliding members 8x and 8y are arranged, and tightening bolts 9 are inserted into the holes 8h of the protrusions 8d and 8e in the same manner as in the embodiments of FIGS. 8 to 12, and are connected by nuts 9a.
  • FIGS. 13 and 14 show different forms of the engaging means 7 in the first embodiment and the second embodiment of the rim 4 for a tubeless tire according to the present invention.
  • the engaging means 7 has one end 8 b and the other end 8 c of the divided cover member 8 detachably connected to the toggle clamp 10.
  • the toggle clamp 10 is provided with a hooking member 10c for hooking a hooking portion 10a provided at the other end 8c at one end 8b.
  • the other end portion 8c is provided with a lever member 10b that is hooked by the toggle member after the hook portion 10a is hooked on the hook member 10c, and is rotatably provided with the ring opening side as a fulcrum. Is provided rotatably on the lever member 10b.
  • the divided cover member 8 is moved. Fit into the drop part 1 of the rim 4.
  • the lever member 10 b provided at the other end portion 8 c of the divided cover member 8 is raised, and the hooking portion 10 a provided at the lever member 10 b is rotated to The hook member 10c provided in the portion 8b is hooked into a recess formed on the opposite side to the ring opening portion 8a.
  • the tubeless tire rim 4 forms the concave drop portion 1 in the ring-shaped central portion having a predetermined width, and the spoke s A through-hole into which the nipple 2 for locking the end of this is inserted is formed, and a ring-opening ring-shaped cover member 5 made of an inelastic material covering the through-hole is detachably connected by the engaging means 7. Therefore, the cover member 5 can be fitted from above the drop portion 1 by opening the ring-opening portion 5a, and can be easily attached to the cover member 5 in a detachable manner by the engaging means 7. Can be increased.
  • the seal member 6 made of an elastic material pressed against the upper surface of the drop portion 1 is provided in the groove portion 5g formed along the outer peripheral edge on the lower surface side of the cover member 5, the seal member 6 is pressed against the upper surface of the drop portion 1. When doing so, the seal member 6 does not wrinkle. Furthermore, since the surface width in contact with the upper surface of the drop unit 1 is reduced, the surface pressure applied to the upper surface of the drop unit 1 can be increased. Thereby, even if it does not clamp
  • the seal member 6 is provided on the lower surface side of the cover member 5, forms a gap between the drop part 1 in which the through hole 3 is formed and the cover member 5, and seals the space above the drop part 1 in an airtight manner. Therefore, when the nipple 2 moves along the through-hole 3, the movement of the nipple 2 is not restricted. When the nipple 2 moves, the bending can be absorbed. Further, the cover member 5 is not pushed up by the movement of the nipple 2. Therefore, the cover member 5 can be prevented from being damaged, and the spokes s and the hub with which the spokes s are engaged due to the deformation of the tubeless tire rim 4 can be prevented.
  • seal member 6 is fitted in the groove portion 5g formed on the lower surface side of the cover member 5, when the seal member 6 is replaced due to aging, the seal member 6 is attached and detached from the groove portion 5g. Can be done by. Thereby, exchange work can be performed simply.
  • the seal member 6 is pressed between the drop portion 4 and the ring-opening ring-shaped cover member 5 by the engaging means of the cover member 5, it is not necessary to keep the seal member 6 always pulled. As a result, the speed of aging deterioration can be suppressed, and deterioration during traveling and damage due to impact can be prevented, so that it can be used safely for a long period of time.
  • each seal member 6 is moved to the drop portion 1 by a plurality of engaging means 7. Can be pressed against the upper surface of the substrate. Furthermore, since the surface width in contact with the upper surface of the drop unit 1 is reduced, the surface pressure applied to the upper surface of the drop unit 1 can be increased. Thereby, even if it does not clamp
  • ends 5b and 5c of the ring-opening portion 5a of the ring-opening ring-shaped cover member 5 and the ends 8b and 8c of the ring-opening portions 8a of the plurality of ring-opening ring-shaped cover members 8 Since it is detachably connected by screwing, even if the outer diameter of the drop portion 1 of the rim 4 for tubeless tires varies depending on the manufacturing rod, it can be securely tightened without being influenced by the variation. The tightening operation can be performed efficiently.
  • the ends 5b and 5c of the ring-opening portion 5a of the ring-opening ring-shaped cover member 5 and the ends 8b and 8c of the ring-opening portions 8a of the plurality of ring-opening ring-shaped cover members 8 are connected to the toggle clamp 10. Since it is detachably connected by tightening, it is not necessary to perform a tightening operation with a tool, and it is possible to securely tighten. Accordingly, the efficiency of work can be improved without requiring skill, and air leakage due to insufficient tightening can be prevented.
  • the end portions 5b and 5c of the ring-opening portion 5a of the ring-opening ring-shaped cover member 5 are connected to the rising portions 6c and 6c formed at the end portions 6a and 6b of the seal member 6, respectively. Therefore, when tightening by the engaging means 7, the end portions 6a and 6b of the seal member 6 are securely brought into close contact with each other by elastic deformation of the seal member 6 formed of an elastic material. In addition to being increased, variations in the outer diameter of the drop portion 1 can also be absorbed by this elastic deformation.
  • the end portions 8b and 8c of the ring-opening portions 8a of the plurality of ring-opening ring-shaped cover members 8 are attached with a space therebetween, so that when the fastening means is tightened, the drop portion Even if the outer diameter dimension of 1 varies depending on variations or specifications, it can be securely tightened and high airtightness can be obtained.
  • the valve member 11 for injecting air by attaching the valve member 11 for injecting air, the ring-shaped ring-shaped cover member 5 and the plurality of ring-shaped ring-shaped cover members 8 are fixed to the rim 4 for a tubeless tire, or the valve member 11 is a cover. Since it is attached to the member and fitted in the valve hole of the rim 4, it is possible to prevent a deviation in the rotational direction due to inertia when the rim is rotated at high speed or stopped by a brake during traveling.
  • cover member 5 and the divided cover member 8 are formed of a material or a shape that can follow the amount of rim deflection and deformation, even if the rim is deformed due to an impact caused by unevenness of the road surface during traveling, the deformation is not affected. Following this, the cover members 5 and 8 are also deformed. Thereby, it is possible to prevent the cover members 5 and 8 from being lifted from the drop part and to stabilize the adhesion.
  • the 1st Example demonstrated only the case where the ring-opening part 5a used one ring-opening ring-shaped cover member, it is not limited to this, For example, It is also possible to use a plurality of divided cover members 8 described in the second embodiment.
  • 2nd Example demonstrated only the case where the cyclic
  • the third embodiment has been described only in the case of using the annular ring-shaped divided cover member 8 having a plurality of ring-opening portions 8a, the present invention is not limited to this, for example, in the first embodiment. Even if the described ring-opening portion 5a uses one ring-opening ring-shaped cover member 5, it can be dealt with.
  • It can be used for a rim for a tubeless tire having a through hole for a nipple that locks an end of a spoke.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

L'invention a pour objectif de permettre le détachement facile d'un élément joint, la réduction sur le long terme du vieillissement et de dommages survenus pendant la marche, et aussi de permettre une adhésion appropriée de l'élément joint sur une partie pendante; en outre, l'objectif de l'invention est de conserver une région mobile de manchon fileté qui fixe un rayon de roue sur la jante. Afin d'atteindre cet objectif, est formée la partie pendante (1) qui prend une forme d'anneau de largeur prédéfinie et qui est creusée dans la partie centrale de la direction de ladite largeur; et un élément couvercle (5) en forme d'anneau à ouverture circulaire couvrant un trou débouchant (3), est agencé vers le haut de la partie pendante (1) de la jante (4) pour pneu sans chambre dans laquelle est formé ce trou débouchant (3) destiné à introduire le manchon fileté (2) pour fixer la partie extrémité du rayon de roue (s) sur la partie pendante. L'élément joint (6) constitué d'un matériau élastique et qui ferme hermétiquement l'espace supérieur de la partie pendante (1) dans laquelle sont formés l'élément couvercle (5) et le trou débouchant (3), est agencé par soudage par pression sur la face supérieure de la partie pendante (1) le long du bord de périphérie externe côté face inférieure de l'élément couvercle (5). Des parties extrémité (5b, 5c) d'une partie ouverture circulaire (5a) de l'élément couvercle (5) sont raccordées tout en étant détachables par un moyen de mise en prise (7).
PCT/JP2010/004566 2010-07-14 2010-07-14 Jante pour pneu sans chambre WO2012007991A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/004566 WO2012007991A1 (fr) 2010-07-14 2010-07-14 Jante pour pneu sans chambre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2010/004566 WO2012007991A1 (fr) 2010-07-14 2010-07-14 Jante pour pneu sans chambre

Publications (1)

Publication Number Publication Date
WO2012007991A1 true WO2012007991A1 (fr) 2012-01-19

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Family Applications (1)

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PCT/JP2010/004566 WO2012007991A1 (fr) 2010-07-14 2010-07-14 Jante pour pneu sans chambre

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Country Link
WO (1) WO2012007991A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10773545B2 (en) * 2014-01-15 2020-09-15 ThyssenKrupp Carbon Components GmbH Vehicle wheel having a connection of a wheel rim with rim base made from fiber composite material and a wheel disc
CN113561699A (zh) * 2021-08-31 2021-10-29 吴志安 真空轮圈组件
CN114670582A (zh) * 2020-12-24 2022-06-28 株式会社岛野 自行车用轮辋

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6316204U (fr) * 1986-07-17 1988-02-03
JPS6467401A (en) * 1987-09-04 1989-03-14 Sumitomo Rubber Ind Wheel rim assembly
JPH09254601A (ja) * 1996-03-22 1997-09-30 Suzuki Motor Corp スポークホイール
JPH10138702A (ja) * 1996-11-14 1998-05-26 Sumitomo Rubber Ind Ltd タイヤとリムとの組立体
JP3271934B2 (ja) * 1997-10-08 2002-04-08 住友ゴム工業株式会社 ワイヤホイール
JP2008105519A (ja) * 2006-10-25 2008-05-08 Hiromi Fujii 車輪リム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6316204U (fr) * 1986-07-17 1988-02-03
JPS6467401A (en) * 1987-09-04 1989-03-14 Sumitomo Rubber Ind Wheel rim assembly
JPH09254601A (ja) * 1996-03-22 1997-09-30 Suzuki Motor Corp スポークホイール
JPH10138702A (ja) * 1996-11-14 1998-05-26 Sumitomo Rubber Ind Ltd タイヤとリムとの組立体
JP3271934B2 (ja) * 1997-10-08 2002-04-08 住友ゴム工業株式会社 ワイヤホイール
JP2008105519A (ja) * 2006-10-25 2008-05-08 Hiromi Fujii 車輪リム

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10773545B2 (en) * 2014-01-15 2020-09-15 ThyssenKrupp Carbon Components GmbH Vehicle wheel having a connection of a wheel rim with rim base made from fiber composite material and a wheel disc
CN114670582A (zh) * 2020-12-24 2022-06-28 株式会社岛野 自行车用轮辋
CN113561699A (zh) * 2021-08-31 2021-10-29 吴志安 真空轮圈组件

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