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WO2022249264A1 - Valve de pneu - Google Patents

Valve de pneu Download PDF

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Publication number
WO2022249264A1
WO2022249264A1 PCT/JP2021/019724 JP2021019724W WO2022249264A1 WO 2022249264 A1 WO2022249264 A1 WO 2022249264A1 JP 2021019724 W JP2021019724 W JP 2021019724W WO 2022249264 A1 WO2022249264 A1 WO 2022249264A1
Authority
WO
WIPO (PCT)
Prior art keywords
electronic device
tire
tire valve
ring member
valve
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/JP2021/019724
Other languages
English (en)
Japanese (ja)
Inventor
スラ イ
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.)
Pacific Industrial Co Ltd
Original Assignee
Pacific Industrial 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 Pacific Industrial Co Ltd filed Critical Pacific Industrial Co Ltd
Priority to PCT/JP2021/019724 priority Critical patent/WO2022249264A1/fr
Publication of WO2022249264A1 publication Critical patent/WO2022249264A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0491—Constructional details of means for attaching the control device
    • B60C23/0494—Valve stem attachments positioned inside the tyre chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C29/00—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for
    • B60C29/02—Connection to rims

Definitions

  • the present disclosure relates to a tire valve that is inserted from the inside of the rim into a through hole of the rim of the tire wheel.
  • Patent Document 1 As this type of tire valve, one in which an electronic device is supported at the rear end is known (see Patent Document 1, for example).
  • the tire valve of the present disclosure is a tire valve that is inserted into a through hole of a rim of a tire wheel from the inside of the rim. and a ring member that is rotatably fitted to the opening edge of the through hole, and an inner surface of the tire wheel that is formed on a part of the ring member in the circumferential direction and is closer to the rotating shaft than the through hole. a notch for avoiding interference with the electronic device, and an engaging portion provided on the electronic device and the ring member and engaging to restrict rotation of the ring member with respect to the electronic device. is.
  • FIG. 2 is a side view of a state in which the tire valve according to the present disclosure is attached to the rim;
  • Cross-sectional view of the tire valve attached to the rim Disassembled perspective view of tire valve
  • A Perspective view of electronic device
  • B Plan view of electronic device Cross-sectional view around the curved wall of electronic equipment
  • Perspective view of the tire valve attached to the rim Perspective view of retainer washer
  • Cross section of tire valve Cross-sectional view of a tire valve according to a modification
  • FIG. 1 the tire valve 10 is attached to a rim 91 of a tire wheel 90 and used.
  • the rim 91 includes a large-diameter portion 91A arranged on the outer side in the vehicle width direction, a small-diameter portion 91B arranged on the inner side in the vehicle-width direction, an upright portion 91C connecting the large-diameter portion 91A and the small-diameter portion 91B,
  • a valve mounting hole 92 (corresponding to a "through hole” in the claims) is formed through the standing portion 91C.
  • the right side of FIG. 1 is the distal end side of the tire valve 10, and the left side of FIG.
  • the tire valve 10 has a metal valve stem 11.
  • the valve stem 11 has a pair of rod-shaped locking portions 13 extending in a direction perpendicular to the central axis at the proximal end of a cylindrical valve body 12 .
  • the valve body 12 has a large-diameter portion 12A on the proximal end side and a small-diameter portion 12B on the distal end side across a tapered portion 12C in the middle portion in the axial direction.
  • Annular grooves 12M are formed in the axial intermediate portions of the outer surfaces of the large diameter portion 12A and the small diameter portion 12B.
  • the outer surface of the rod-shaped engaging portion 13 has a flat surface 13A extending flush with the base end surface of the valve body 12 on the base end side, and an arc surface 13B having a semicircular cross section on the tip end side. .
  • a valve core 20 is provided at the tip inside the valve stem 11 .
  • the valve core 20 has a structure in which a direct-acting rod 22 passes through the central portion of a cylindrical core body 21 .
  • a valve body 23 is provided at a portion of the direct-acting rod 22 protruding from the cylindrical core body 21 toward the proximal end.
  • a coil spring (not shown) is arranged between the distal end of the cylindrical core body 21 and the distal end of the direct-acting rod 22, and the elastic force of the coil spring normally opens the base end opening 21C of the cylindrical core body 21. The valve body 23 is pressed against.
  • valve stem 11 As a result, fluid cannot normally pass through the valve stem 11, and the direct-acting rod 22 is pushed from the distal end side, or the pressure on the distal end side of the valve core 20 in the valve stem 11 is the base pressure.
  • the pressure on the end side becomes higher than the pressure on the end side by a certain pressure or more, the valve body 23 is separated from the base end side opening 21C of the cylindrical core body 21, and the fluid passes through the inside of the valve stem 11.
  • a cap male screw portion 12D is formed on the outer peripheral surface of the tip portion of the valve stem 11, and a valve cap 25 is screwed thereon.
  • An electronic device 50 is attached to the proximal end of the valve stem 11 .
  • the electronic device 50 has a pressure sensor, a temperature sensor, and a wireless circuit (not shown), detects the pressure and temperature in the tire, and wirelessly transmits the detection results to a tire monitoring device (not shown) provided in the vehicle body. do.
  • the tire monitoring device monitors whether there is an abnormality in the pressure and temperature in the tire based on the received detection results.
  • the electronic device 50 has a case portion 51 containing a pressure sensor, a temperature sensor, and a wireless circuit, and a coupling portion 52 for coupling with the valve stem 11.
  • the case portion 51 is flattened in the radial direction of the tire, and the plane shape of the case portion 51 has an irregular shape in which the tire circumferential direction is the longitudinal direction and the tire width direction is the lateral direction.
  • the coupling portion 52 is arranged on a curved wall 53 that curves upward (upward in FIG. 2, outward in the tire radial direction) from the tip side surface of the case portion 51 toward the tip side, and on both side ends of the curved wall 53, A pair of connecting walls 54 connecting the curved wall 53 and the upper surface of the case portion 51 are provided.
  • a long hole 53N is formed in the curved wall 53 at the center of the electronic device 50 in the longitudinal direction, the long hole 53N extending from the side surface of the tip side of the case portion 51 to a position close to the upper end.
  • the width of the long hole 53N is larger than the width of the large-diameter portion 12A of the valve stem 11 and smaller than the length between the ends of the pair of rod-shaped locking portions 13.
  • the inner curved surface 53A of the curved wall 53 is curved along the arcuate surface 13B of the rod-shaped engaging portion 13 of the valve stem 11. As shown in FIG.
  • the curved wall 53 has metal plates 53K on both sides of the elongated hole 53N.
  • the metal plate 53K has an arc shape extending along the cross-sectional shape of the curved wall 53 and is exposed on the inner curved surface 53A and the outer curved surface 53B of the curved wall 53 .
  • the metal plate 53K has a plurality of through holes 53K1 and is embedded in the curved wall 53 by insert molding. It should be noted that the curved wall 53 may not be embedded with the metal plate 53K and may be composed only of resin.
  • the long hole 53 ⁇ /b>N of the electronic device 50 is inserted between the pair of connecting walls 54 of the electronic device 50 while the pair of rod-shaped locking portions 13 of the valve stem 11 are accommodated between the pair of communication walls 54 of the electronic device 50 .
  • the valve stem 11 is inserted through the .
  • the angle of the electronic device 50 with respect to the valve stem 11 can be changed by rotating the valve stem 11 in the elongated hole 53N about the bar-shaped engaging portion 13 as an axis.
  • the tire valve 10 has a retainer washer 30 (corresponding to a "ring member” in the claims) arranged on the outer surface of the valve stem 11 and a nut member 40. It is fixed to the rim 91 by sandwiching the opening edge of the valve mounting hole 92 of 91 . Specifically, the retainer washer 30 is arranged on the valve stem 11 next to the tip side of the electronic device 50 . As shown in FIGS. 2 and 7 , the retainer washer 30 has a shape having a side wall portion 32 projecting from the outer edge of the annular plate portion 31 to the tip side of the tire valve 10 .
  • the retainer washer 30 is formed with an interference avoiding portion 33 (corresponding to a “notch” in the claims) that is cut linearly in a part in the circumferential direction.
  • the interference avoiding portion 33 may be notched in another shape such as a curved shape instead of a straight shape.
  • the retainer washer 30 is arranged in such a posture that the interference avoiding portion 33 is positioned closer to the rotation shaft side of the tire wheel 90 than the valve mounting hole 92 and is positioned at the corner portion formed by the small diameter portion 91B and the standing portion 91C of the rim 91. ing.
  • a grommet 35 is attached to the inner side of the side wall portion 32 of the retainer washer 30 , and the tire valve 10 is sealed against the rim 91 by inserting the grommet 35 into the valve mounting hole 92 of the rim 91 . be.
  • the nut member 40 has a tubular shape, and a female screw portion 40N is formed at the proximal end portion. Further, the nut member 40 is provided with an annular protruding portion 41 protruding from the female screw portion 40N toward the base end side. The inner surface of the annular projecting portion 41 extends flat in the axial direction and then slopes so as to connect with the female screw portion 40N. I am in touch.
  • a nut male screw portion 12E is formed at the tip of the large diameter portion 12A of the valve stem 11, and a nut member 40 is screwed onto the nut male screw portion 12E.
  • a washer 45 is provided on the outer surface of the valve stem 11 between the nut member 40 and the opening edge of the valve mounting hole 92 of the rim 91 .
  • the tire valve 10 is attached to the rim 91 as follows. First, the valve core 20 is screwed inside the valve stem 11 . Next, the tip of the valve stem 11 is inserted into the elongated hole 53N of the electronic device 50 from the inner curved surface 53A side, and the arcuate surface 13B of the rod-shaped engaging portion 13 of the valve stem 11 is inserted into the curved wall 53 of the electronic device 50. It is brought into contact with the curved surface 53A (see FIG. 5).
  • the valve stem 11 is inserted into the valve mounting hole 92 of the rim 91 from the inside.
  • the lower surface of the case portion 51 of the electronic device 50 faces the small diameter portion 91B of the rim 91, and the interference avoiding portion 33 of the retainer washer 30 is positioned at the corner portion formed by the small diameter portion 91B and the standing portion 91C of the rim 91. (see Figure 2).
  • the washer 45 is fitted to the valve stem 11 from the tip end side and is applied to the opening edge of the valve mounting hole 92 of the rim 91 from the outside, and the nut member 40 is screwed to the nut male screw portion 12E of the valve stem 11. do.
  • the annular protrusion 41 of the nut member 40 comes into contact with the washer 45 and the washer 45 is pressed against the opening edge of the valve mounting hole 92 of the rim 91, and the grommet 35 of the retainer washer 30 is pushed. It digs into the valve mounting hole 92 .
  • the opening edge of the valve mounting hole 92 of the rim 91 is sandwiched between the retainer washer 30 and the nut member 40 (the washer 45 pressed by the nut member 40 ), thereby fixing the tire valve 10 to the rim 91 .
  • the metal plate 53K of the coupling portion 52 of the electronic device 50 is sandwiched between the annular plate portion 31 of the retainer washer 30 and the rod-shaped engaging portion 13 of the valve stem 11, thereby The angle of instrument 50 relative to valve stem 11 is fixed.
  • the electronic device 50 is fixed at an angle such that the case portion 51 is parallel to the small diameter portion 91B of the rim 91 .
  • the interference avoiding portion 33 of the retainer washer 30 consists of the small diameter portion 91B of the rim 91 and the standing portion 91C. It is necessary to rotate the retainer washer 30 so that the interference avoiding portion 33 is arranged on the lower surface side of the case portion 51 of the electronic device 50 so as to be oriented properly.
  • the coupling portion 52 of the electronic device 50 is provided with the projection 53T (corresponding to the “engagement portion” in the claims), while the retainer washer 30 has a circular shape.
  • the ring plate portion 31 is provided with an engagement groove 30M (corresponding to the “engagement portion” in the claims).
  • one of the two metal plates 53K (the right side in FIG. 4B) is attached to the outer curved surface 53B of the curved wall 53 in the coupling portion 52 of the electronic device 50.
  • a ridge 53T is arranged between the metal plate 53K) and the long hole 53N.
  • the protrusion 53T extends along the elongated hole 53N, that is, along the rotational direction of the electronic device 50 with respect to the valve stem 11 .
  • the annular plate portion 31 of the retainer washer 30 has an engagement member extending vertically on the right side thereof when the interference avoiding portion 33 is placed downward (the posture in FIG. 3).
  • a matching groove 30M is arranged.
  • the interference avoiding portion 33 of the retainer washer 30 is arranged on the lower surface side of the case portion 51 of the electronic device 50 (see FIG. 2, etc.)
  • the engagement groove 30M of the retainer washer 30 is formed as shown in FIG.
  • the ridges 53T of the electronic device 50 are received at this position, and the rotation of the retainer washer 30 with respect to the electronic device 50 is restricted.
  • the interference avoidance portion 33 of the retainer washer 30 The electronic device 50 is arranged on the lower surface of the case portion 51 (see FIG. 2). Moreover, the protrusion 53T and the engagement groove 30M have a length that engages at any position within the rotation range of the electronic device 50 .
  • the retainer washer for the electronic device 50 is engaged with the protrusion 53T and the engagement groove 30M. Since the rotation of the tire valve 10 is restricted, the retainer washer 30 can be attached to the opening edge of the valve mounting hole 92 of the rim 91 while the retainer washer 30 is arranged in the regular direction. work becomes easier.
  • the retainer washer 30 and the electronic device 50 are assembled so that the interference avoiding portion 33 of the retainer washer 30 is arranged on the lower surface side of the case portion 51 of the electronic device 50, the protrusion 53T and the engagement groove 30M are formed. are engaged, the retainer washer 30 is naturally arranged in the regular direction when the protrusion 53T and the engagement groove 30M are engaged with each other.
  • the retainer can be retained regardless of the angle of the electronic device 50 with respect to the valve stem 11.
  • the washer 30 is oriented with respect to the electronic device 50 .
  • the retainer washer 30 and the curved wall 53 of the electronic device 50 are provided with flat surfaces 30H and 53H that are adjacent to or face each other in the rotation axis direction of the electronic device 50. good too.
  • the retainer washer 30 and the electronic device 50 can be assembled in only one specific orientation. It may be possible to assemble with Even in this case, once assembled at the correct position, the retainer washer 30 is attached to the rim 91 in the correct position. The mounting work of the tire valve 10 becomes easier.
  • the protrusion 53T and the engagement groove 30M may be engaged only in a part of the rotation range of the electronic device 50 . Even in this case, the valve stem 11 is inserted into the valve mounting hole 92 of the rim 91 with the protrusion 53T and the engagement groove 30M engaged, and then the electronic device 50 is attached to the valve stem 11. By rotating, it is possible to assemble the retainer washer 30 and the electronic device 50 in the regular orientation.
  • the electronic device 50 may be non-rotatably fixed to the valve stem 11 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)

Abstract

[Problème] Facilitation du travail d'assemblage. [Solution] L'invention concerne une valve de pneu 10, une saillie 53T étant disposée sur une partie de couplage 52 d'un dispositif électronique 50, tandis qu'une rainure de mise en prise 30M est disposée dans une plaque annulaire 31 d'une rondelle de retenue 30 ; et lorsque le dispositif électronique 50 et la rondelle de retenue 30 sont assemblés à une tige de valve 11 dans une orientation telle que la saillie 53T et la rainure de mise en prise 30M sont en prise, une partie d'évitement d'interférence 33 de la rondelle de retenue 30 est située sur la surface inférieure d'une partie de boîtier 51 du dispositif électronique 50.
PCT/JP2021/019724 2021-05-25 2021-05-25 Valve de pneu Ceased WO2022249264A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/019724 WO2022249264A1 (fr) 2021-05-25 2021-05-25 Valve de pneu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/019724 WO2022249264A1 (fr) 2021-05-25 2021-05-25 Valve de pneu

Publications (1)

Publication Number Publication Date
WO2022249264A1 true WO2022249264A1 (fr) 2022-12-01

Family

ID=84229773

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/019724 Ceased WO2022249264A1 (fr) 2021-05-25 2021-05-25 Valve de pneu

Country Status (1)

Country Link
WO (1) WO2022249264A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12403731B2 (en) 2021-09-15 2025-09-02 Pacific Industrial Co., Ltd. Tire valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004066848A (ja) * 2002-08-01 2004-03-04 Pacific Ind Co Ltd タイヤ状態監視装置の送信機
JP2007326384A (ja) * 2006-06-06 2007-12-20 Topy Ind Ltd 車両のホイールアッセンブリ
JP2016132366A (ja) * 2015-01-20 2016-07-25 本田技研工業株式会社 クランプインバルブ付きホイール

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004066848A (ja) * 2002-08-01 2004-03-04 Pacific Ind Co Ltd タイヤ状態監視装置の送信機
JP2007326384A (ja) * 2006-06-06 2007-12-20 Topy Ind Ltd 車両のホイールアッセンブリ
JP2016132366A (ja) * 2015-01-20 2016-07-25 本田技研工業株式会社 クランプインバルブ付きホイール

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12403731B2 (en) 2021-09-15 2025-09-02 Pacific Industrial Co., Ltd. Tire valve

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