WO2004109168A1 - 安全タイヤ用バルブ、カプラー付き充填アダプター、放圧アダプター、及び放圧方法 - Google Patents
安全タイヤ用バルブ、カプラー付き充填アダプター、放圧アダプター、及び放圧方法 Download PDFInfo
- Publication number
- WO2004109168A1 WO2004109168A1 PCT/JP2004/007809 JP2004007809W WO2004109168A1 WO 2004109168 A1 WO2004109168 A1 WO 2004109168A1 JP 2004007809 W JP2004007809 W JP 2004007809W WO 2004109168 A1 WO2004109168 A1 WO 2004109168A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- gas chamber
- tire
- valve
- chamber
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 19
- 230000009977 dual effect Effects 0.000 claims description 19
- 244000273618 Sphenoclea zeylanica Species 0.000 abstract description 20
- 239000007789 gas Substances 0.000 description 433
- 230000002093 peripheral effect Effects 0.000 description 26
- 239000000945 filler Substances 0.000 description 19
- 230000006835 compression Effects 0.000 description 17
- 238000007906 compression Methods 0.000 description 17
- 238000012856 packing Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 238000007872 degassing Methods 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 239000002775 capsule Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/20—Check valves specially designed for inflatable bodies, e.g. tyres
- F16K15/207—Check valves specially designed for inflatable bodies, e.g. tyres and combined with other valves, e.g. safety valves
-
- 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
- B60C29/007—Arrangements of tyre-inflating valves to tyres or rims; Accessories for tyre-inflating valves, not otherwise provided for for tyres with segmental sections or for multi-chamber tyres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/3584—Inflatable article [e.g., tire filling chuck and/or stem]
Definitions
- Valve for safety tire filler adapter with coupler, pressure relief adapter and pressure relief method
- the present invention relates to a valve for a safety tire, a filling adapter with a coupler, a pressure releasing adapter, and a pressure releasing method, in which a gas is charged in an outer gas chamber and an inner gas chamber provided in a dual structure tire.
- Valve for safety tire, filler adapter with coupler for filling gas to safety tire with double valve with safety tire valve, gas for dual structure safety tire with valve for safety tire The present invention relates to a pressure release adapter for releasing air to the atmosphere, and a pressure release method for releasing gas of a dual structure safety tire equipped with a valve for safety tire to the atmosphere.
- a tube inner gas chamber
- high-pressure gas is disposed on the inside of the tire, and when the tire punctures, the tube expands to support the inner surface of the tire. It is possible.
- Patent Document 1 As a conventional valve for a safety tire having a dual structure, Patent Document 1, for example, can supply a gas to one gas supply loca, an inner gas chamber and an outer gas chamber (between a tube and a tire). It is disclosed that the
- the gas supplied from one gas supply port is distributed internally to the inner gas chamber and the outer gas chamber, but the inner gas chamber
- the gas discharge port for the inner gas chamber provided separately from the gas supply port and the gas discharge port for the outer gas chamber are configured to be discharged.
- the gas discharge port for the inner gas chamber and the gas discharge port for the outer gas chamber are closed by the common lid member, when the lid member is removed, the gas for the inner gas chamber and the outer lid are removed.
- the gas for the gas chamber is released to the air, and only one of the gas for the inner gas chamber and the gas for the outer gas chamber can not be removed.
- degassing The internal pressure of each gas chamber can not be adjusted individually.
- Patent document 1 US6354348
- the present invention solves the above-mentioned problems, and it is possible to separately supply gas to the inner gas chamber and the outer gas chamber of a dual-structured tire, and the charging operation can be easily performed. It is a first object of the present invention to provide a valve for a safety tire which can separate the gas for the inner gas chamber and the gas for the outer gas chamber separately.
- a second object is to provide a coupler-packed adapter capable of easily providing a differential pressure between the inner gas chamber and the outer gas chamber of a dual structure tire.
- a third object is to provide a pressure-relief adapter that allows the gas in the inner gas chamber and the gas in the outer gas chamber to be easily released to the atmosphere so that the gas sac of the dual structure tire does not expand. Ru.
- the fourth object is to provide a pressure release method for simply releasing the gas in the inner gas chamber and the gas in the outer gas chamber to the atmosphere so that the gas sac of the dual structure tire does not expand. I will.
- a check valve member for the inner gas chamber which allows gas to flow out
- a gas supply passage for the outer gas chamber which allow gas to flow from the atmosphere side to the gas chamber side and from the gas chamber side to the atmosphere side Gas from the gas chamber side to the atmosphere side in a predetermined operation.
- a check valve member for the outer gas chamber to allow the outflow, Ru les characterized by having a.
- the safety tire valve according to claim 1 when the gas is charged from the charge port, the charged gas is led to the inner gas chamber via the inner gas chamber air supply passage. , Leading to the outer gas chamber through the outer gas chamber air supply passage.
- the gas in the outer gas chamber is prevented from being released to the atmosphere by the check valve member for the outer gas chamber, and the gas in the inner gas chamber is prevented from being released to the atmosphere by the non-return valve member for the inner gas chamber. Be done.
- the gas in the outer gas chamber can be released to the atmosphere side by operating the non-return valve member for the outer gas chamber, and the non-return valve member for the inner gas chamber can be released in the inner gas chamber. Gas can be released to the atmosphere.
- the invention according to claim 2 is the valve for safety tire according to claim 1, wherein the air supply passage for the outer gas chamber is closer to the charge port than the check valve member for the outer gas chamber. And a removal suppressing means for suppressing removal of the check valve member for the outer gas chamber.
- the invention according to claim 3 is the valve for a safety tire according to claim 1 or 2, wherein a difference between the air supply passage for the inner gas chamber and the air supply passage for the outer gas chamber is provided.
- the coupler adapter has an engaging portion that enables the coupler-equipped filler adapter to be engaged with the charge port to supply the gas to supply pressure and to supply the gas, in only a predetermined direction with respect to the charge port. .
- a charge port with a coupler-equipped filler adapter configured to apply a differential pressure between the inner gas chamber air supply passage and the outer gas chamber air supply passage.
- the engagement part makes it possible to mount the coupler-equipped filling adapter only in a fixed direction with respect to the charge port.
- the invention according to claim 4 is a filler adapter with a coupler for charging a gas from a gas supply source to the outer gas chamber and the inner gas chamber of a dual structure tire.
- a main body portion engaged with the valve for a safety tire according to claim 2, and an air supply path for an inner gas chamber and an air supply path for an outer gas chamber, provided in the main body portion, for the safety tire valve.
- Differential pressure setting means for distributing the gas from the gas supply source so as to create a pressure difference therebetween.
- the differential pressure setting means When the gas is supplied from the gas supply source, the differential pressure setting means generates the gas from the gas supply source so that a pressure difference is generated between the inner gas chamber air supply passage and the outer gas chamber air supply passage.
- the gas pressure of the inner gas chamber usually formed of a tube or the like is set higher than that of the outer gas chamber, and the tube is inflated at the time of puncture or the like.
- the gas pressure in the inner gas chamber can be easily set higher than that in the outer gas chamber.
- the invention according to claim 5 includes a gas-filled tire, an inflatable gas bladder disposed inside the gas-filled tire and constituting an inner gas chamber, the gas-filled tire, and the gas-filled tire. 4.
- a valve for a safety tire according to any one of claims 1 to 3 a rim forming an outer gas chamber between the gas-filled tire and the gas bag when the capsule is mounted, and a valve according to any one of claims 1 to 3.
- the main body of the pressure release adapter is engaged with the safety tire valve.
- the operation means performs a predetermined operation on the check valve member for the inner gas chamber and the check valve member for the outer gas chamber, and the gas of the inner gas chamber and the outer side so that the gas sac does not expand.
- the gas in the gas chamber is released to the atmosphere.
- the gas in the inner gas chamber and the gas in the outer gas chamber can be easily extracted so as not to expand the gas sac.
- the invention according to claim 6 includes a gas-filled tire, an inflatable gas bladder disposed inside the gas-filled tire and constituting an inner gas chamber, the gas-filled tire, and the gas-filled tire. 4.
- a safety tire comprising: a pressure release method for discharging gas in the inner gas chamber of the rim assembly and gas in the outer gas chamber, the check valve member for the inner gas chamber being an outer gas chamber. It is characterized in that it is removed prior to the check valve member.
- the invention according to claim 7 includes a gas-filled tire, an inflatable gas bladder disposed inside the gas-filled tire and constituting an inner gas chamber, the gas-filled tire, and the gas-filled tire. 4.
- a safety tire comprising: a pressure release method for discharging gas in the inner gas chamber of the rim assembly and gas in the outer gas chamber, the check valve member for the inner gas chamber and the outer gas chamber.
- a pressure release adapter equipped with operating means that simultaneously operates the check valve member or the check valve member for the inner gas chamber earlier than the check valve member for the outer gas chamber. Discharge the gas in the inner gas chamber and the gas in the outer gas chamber to the atmosphere , Is characterized.
- the pressure release adapter In order to release the gas in the inner gas chamber and the gas in the outer gas chamber to the atmosphere, the pressure release adapter is engaged with the valve for safety tire.
- the operating means of the pressure release adapter is the same as the check valve member for the inner gas chamber and the check valve member for the outer gas chamber, or the check valve member for the inner gas chamber is the check valve member for the outer gas chamber. Since the operation is performed earlier, the gas in the inner gas chamber and the gas in the outer gas chamber can be released simultaneously to the atmosphere from the gas in the inner gas chamber before the gas in the outer gas chamber.
- the invention according to claim 8 relates to the pressure release method according to claim 7, wherein the operation means includes a first convex portion for operating the check valve member for the inner gas chamber, and the outer gas. And a second convex portion for operating the chamber check valve member, wherein the first convex portion is longer than the second convex portion.
- the pressure release adapter is used as a valve for safety tire When installing to the air conditioner, operate the check valve member for the inner gas chamber first to release the gas in the inner gas chamber first. Force to do S can.
- valve for a safety tire according to claim 1 is configured as described above, when used in a dual structure tire • rim assembly, the gas pressure which is individually different in the inner gas chamber and the outer gas chamber It has the excellent effects of being able to supply gas and performing charging operation easily.
- the inner gas chamber check valve member can be removed first.
- a gas capsule that constitutes the inner gas chamber can be removed. Has the excellent effect of being able to prevent the expansion of the
- valve for a safety tire according to claim 3 is configured as described above, a gas is applied so as to apply a differential pressure as set between the air supply passage for the inner gas chamber and the air supply passage for the outer gas chamber. It has the excellent effect of being able to supply
- the coupler-equipped filler adapter according to claim 4 is configured as described above, it is possible to easily provide a pressure difference between the outer gas chamber and the inner gas chamber of the dual structure tire. It has an excellent effect.
- the pressure-release adapter according to claim 5 is configured as described above, it is possible to easily remove the gas in the inner gas chamber and the gas in the outer gas chamber so that the gas sac does not expand. Have a good effect.
- the gas in the inner gas chamber and the gas in the outer gas chamber are simultaneously released, or the gas in the inner gas chamber is released to the atmosphere prior to the gas in the outer gas chamber. It has the excellent effect of being able to prevent the expansion of the gas sac.
- FIG. 1 is a cross-sectional view of a dual structure tire / rim assembly.
- FIG. 2 is a cross-sectional view of a valve.
- FIG. 3 is a cross-sectional view of the valve core in a closed state.
- FIG. 4 is a cross-sectional view of the valve core in the open state.
- FIG. 5 It is a perspective view of a removal suppression adapter.
- FIG. 6 is a cross-sectional view of the coupler-equipped filling adapter.
- FIG. 7 is a perspective view of a valve core pressing member.
- FIG. 8 is a perspective view of a valve body.
- FIG. 10 is a top view of the valve.
- FIG. 11 is a cross-sectional view of a valve equipped with a filler adapter with a coupler.
- FIG. 12 is a cross-sectional view of a valve equipped with a pressure release adapter.
- FIG. 13 is a cross-sectional view of a valve attached with a cap.
- FIG. 14 is a cross-sectional view of a valve equipped with a coupler-equipped filler adapter according to a second embodiment.
- FIG. 1 shows a cross section of a dual structure tire 'rim assembly 8 to which the valve for safety tire of this embodiment is attached.
- the dual structure tire 'rim assembly 8 provides a space between a tube 11 fitted to the outer peripheral surface of the wheel rim 10 and a tire 12 for covering the outer periphery of the tube 11 That tire
- a structure in which the 12 inner peripheral edges are in close contact with the rim 10 is formed.
- an inner gas chamber 14 closed by the tube 11 is formed inside the outer gas chamber 13 closed by the rim 10 and the tire 12.
- valve 20 for safety tire according to the present invention
- the valve 20 comprises a first hollow stem 22 forming a body portion.
- the first hollow stem 22 is inserted into the through hole 10b of the rim 10 from the inner side, that is, the outer gas chamber 13 side.
- the flange 22 a formed on the first hollow stem 22 is abutted near the periphery of the through hole 10 b of the rim 10, and the nut 29 is wedged with the washer 28 from the outside (atmosphere side) of the rim 10.
- the first hollow stem 22 is fixed to the rim 10 by screwing a nut 29 onto a male screw 22 c formed on the outer peripheral surface of the first hollow stem 22.
- An O-ring 22 b is disposed on the flange 22 a of the first hollow stem 22 to ensure airtightness between the first hollow stem 22 and the rim 10.
- a metal ring 33 is screwed to the first hollow stem 22 on the outer peripheral surface on the proximal end side.
- the air tightness between the first hollow stem 22 and the metal ring 33 is secured by the O-ring 33 a disposed between the first hollow stem 22 and the metal ring 33.
- a spat (rubber seat) 32 protruding outward in the radial direction is fixed.
- the spats 32 are circular and thin from the center to the outside.
- the spats 32 are fixed to the peripheral edge of the hole 11 a formed in the tube 11 with an adhesive.
- the base end of the first hollow stem 22 faces the inside of the inner gas chamber 14.
- an axially penetrating hole 34 and a hole 35 are formed along the axial center.
- a valve core 41 is disposed in the vicinity of the tire-side end.
- the removal suppressing adapter 105 shown in FIG. 5 is screwed into the hole 35 near the non-tire side end, and the valve core 41 is disposed on the tire side of the removal suppressing adapter 105. It is done.
- the opening on the tire side of the hole 35 is closed by the set screw 302.
- the valve core 41 seals the communication between the inner gas chamber 14 and the outside of the tire openably and closably.
- valve core 41 Details of the valve core 41 will be described below.
- the valve core 41 of the present embodiment has a general structure defined by JIS (Japanese Industrial Standard) (D 4211), that is, as shown in FIG.
- the valve packing 44 is fixed by providing the flange-like valve packing 44 on one end side of the shaft 43 and biasing the shaft 43 to one side by the coil spring 45 housed in the sleeve 42.
- the sleeve 42 is pressed against the opening at one end.
- the compressed gas from the valve packing 44 side can not pass through the inside of the sleeve 42 because the valve packing 44 is pressed against the opening of the sleeve 42 at one end.
- valve core 41 has a check valve structure, and the movement of the gas to the tire side can restrict the movement of the gas to the outside of the tire.
- the outer gas chamber 13 is connected to the hole 35 via the narrow hole 48.
- valve core 41 is provided in the middle of the hole 35, in the state of FIG. 2, the outflow of the gas of the outer gas chamber 13 to the outside of the tire is prevented.
- the anti-removal adapter 105 comprises a cylindrical main body 106 and a slide shaft 107.
- the main body 106 has a large diameter hole 108 formed from the lower end side to the vicinity of the upper end of the drawing as an axial center, and a small diameter through hole 109 is formed at the bottom of the large diameter hole 108.
- a notch 110 is formed in a part of the upper end of the main body 106, whereby a part of the large diameter hole 108 is exposed on the outer peripheral side.
- a male screw 106a (with a-part omitted) is formed on the entire outer peripheral surface of the main body 106.
- the body shaft 111 of the slide shaft 107 is slidably inserted into the through hole 109 of the body 106.
- a first stopper 112 having a diameter slightly larger than that of the through hole 109 is formed at the upper end of the main body shaft portion 111, and a diameter slightly smaller than the large diameter hole 108 at the lower end of the main body shaft portion 111.
- a small second star 113 is formed.
- a plurality of grooves 114 extending in the axial direction is formed on the outer peripheral surface of the second stopper 113.
- a dedicated power-filled adapter 49 shown in FIG. 6 is used.
- the first cylindrical member 52 is disposed on the outer peripheral side in the lower part of the drawing, and the second cylindrical member 53 is disposed on the outer side of the first cylindrical member 52.
- a slide ring 54 is disposed on the outer side of the cylindrical member 53.
- the main body 51 and the first cylindrical member 52 are grooves formed in the upper surface of the first cylindrical member 52 in the drawing 5.
- a piston 58 is inserted into the round hole 50 of the main body 51 so as to be relatively rotatable and axially slidable.
- a compression coil spring 60 is disposed between the flange 58 a of the piston 58 and the step 59 formed on the inner peripheral side of the first cylindrical member 52 to bias the piston 58 downward in the drawing. ing. Between the stepped portion 61 formed on the outer peripheral side of the second cylindrical member 53 and the stepped portion 62 formed on the inner peripheral side of the slide ring 54, the slide ring 54 is directed downward in the drawing. A compression coil spring 63 is disposed for biasing.
- a groove is formed on the outer peripheral surface of the first cylindrical member 52 in the vicinity of the lower end, and a C ring 65 is fitted in this groove.
- an enlarged diameter portion 66 is formed at the lower end side opening portion of the inner peripheral surface of the slide ring 54, and the slide ring 54 biased by the compression coil spring 63 has The cylindrical member 53 of 2 is brought into contact with the C-ring 65 of the cylinder member 53 to restrict the downward movement of the drawing.
- a tapered hole 67 is formed on the upper side of the C ring 65 in the drawing.
- the hard ball 68 is in contact with the inner peripheral surface of the slide ring 54 and partially protrudes toward the inner peripheral surface of the second cylindrical member 53.
- a tapered hole 69 is formed in the second cylindrical member 53 above the tapered hole 67 in the drawing.
- the tapered hole 69 is expanded in diameter as it is directed outward, and a hard ball 70 is inserted therein.
- an enlarged diameter portion 71 is formed on the lower side of the hard ball 70 in FIG.
- a packing 72 is attached to the lower end surface of the piston 58 in the drawing.
- the lower surface of the packing 72 can be brought into contact with the upper end surface of the first hollow stem 22 of the valve 20. It is
- a pair of grooves 73 and 74 are formed on the outer peripheral surface of the piston 58, and an O-ring 75 is formed in the groove 73 on the upper side of the drawing, and a piston ring 76 made of an elastic body is formed in the groove 74 on the lower side. They are fitted in and seal between the outer peripheral surface of the piston 58 and the inner peripheral surface of the round hole 50, respectively.
- a hole 77 is formed on the upper side of the drawing on the side surface of the main body 51, and a hole 78 is formed on the lower side of the hole 77 in the drawing.
- a first joint 79 used for measuring the internal pressure is fixed to the hole 78, and a second joint 80 for gas filling is fixed to the hole 77.
- a through hole 81 is formed in the shaft core of the first joint 79, and a valve core 41 is fixed to the through hole 81.
- a stepped portion 82 whose hole diameter gradually becomes smaller on the main body side than the valve core 41 is formed.
- a spherical valve made of an elastic body is formed between the stepped portion 82 and the valve core 41.
- Body 83 is placed.
- the spherical valve body 83 contacts the step 82 when filling the gas from the valve core 41 side, and serves to block the flow of the gas into the main body 51.
- a through hole 84 is formed in the axial core of the second joint 80, and a valve core 41 is fixed to the through hole 84.
- An annular shallow groove 85 is formed between the O-ring 64 and the piston ring 76 on the outer peripheral surface of the piston 58.
- the hole 78 of the main body 51 to which the first joint 79 is attached faces the shallow groove 85 of the piston 58.
- a through hole 104 and a through hole 77 are formed along the axial center.
- the upper side in the drawing is the large diameter portion 77a
- the lower side of the large diameter portion 77a in the drawing is the middle diameter portion 77b
- the lower side of the middle diameter portion 77b is the small diameter portion 77c.
- the bottom of the shallow groove 85 and the middle diameter of the through hole 77 are provided.
- a hole 86 is formed to connect with 77b.
- a valve core pressing member 87 is screwed into the lower end of the through hole 104 in the drawing and the lower end of the through hole 77 in the drawing. As shown in FIG. 7, in the valve core pressing member 87, a male screw 88 is formed on substantially the entire outer peripheral surface except for the large diameter portion 87a on one end side.
- a plurality of small holes 89a extending along the axial direction are formed in the circumferential direction except for the axial center portion.
- a hole 89b is formed in the shaft core of the valve core pressing member 87 from the opposite end of the large diameter portion 87a to the large diameter portion 87a, and the end of the hole 89b and the plurality of holes 89b described above Small holes 89a and are connected internally.
- a stepped portion 90 is formed in the large diameter portion 87a, and a part of the packing 72 is pulled by the stepped portion 90, thereby preventing the drop from the lower end of the piston.
- a cylindrical stopper 91 is inserted into the large diameter portion 77a of the through hole 75 of the piston 58, and the C ring
- a valve body 93 shown in FIG. 8 is slidably inserted into the middle diameter portion 77b of the through hole 77.
- a plurality of grooves 94 for flowing gas are formed on the outer peripheral surface along the axial direction, and the grooves 96 of the small diameter shaft portion 95 provided at the end are O-ring 97 (not shown in Fig. 8; see Fig. 6) is fitted.
- a stopper 98 shown in FIG. 9 is disposed at the lower end of the valve body 93 in the drawing.
- the stopper 98 is formed with a recess 99 and a notch 100 so that gas can flow in the axial direction.
- a compression coil spring 101 is disposed between the stopper 98 and the valve body 93 to bias the valve body 93 upward in the drawing.
- the valve body 93 is biased by the compression coil spring 101, whereby the O-ring 9 of the valve body 93 is obtained.
- a positioning pin 115 protrudes at the lower end of the piston 58.
- the above-mentioned positioning pin is A positioning hole 116 into which 115 can be inserted and a screw hole 117 into which the positioning pin 115 can not be inserted are formed.
- a small diameter portion 77 c of the through hole 77 of the filler adapter 49 with a coupler corresponds to the hole 35 of the valve 20 corresponding to the hole 34 of the through hole 104 and the force 20 of the valve 20.
- a dedicated pressure release adapter 120 shown in FIG. 12 is used.
- the pressure release adapter 120 is provided with a cylindrical member 121 whose outer peripheral surface is knurled.
- a female screw 123 is formed on the lower side of the drawing, and an annular groove 124 is formed on the upper side of the drawing, and on the lower side of the groove 124 in the drawing.
- the step 125 is formed.
- the female screw 123 of the cylindrical member 121 can be screwed to the male screw 22 c of the first hollow stem 22.
- a cover member 126 is rotatably inserted on the upper side of the drawing.
- the cover member 126 is provided with a flange 126 a at an intermediate portion, and an axially penetrating through hole 127 and a through hole 128 are formed.
- a valve core pressing member 87 is screwed into the through hole 127 and the through hole 128 on the lower side of the drawing, respectively.
- a C ring 129 is inserted into the groove 124 of the cylindrical member 121, and the flange 126a of the lid member 126 is held between the C ring 129 and the step portion 125, and the lid member 126 is a cylindrical member. It is held at a predetermined position of the hole 122 while making it relatively rotatable with respect to 121.
- the hard ball 68 is pushed inward by the slide ring 54 and enters the groove 22 d of the first hollow stem 22, and the coupler-equipped filling adapter 49 is automatically locked to the valve 20.
- the coupler-equipped filling adapter 49 of the present embodiment is
- the coupler-equipped filling adapter 49 of the present embodiment uses two hard spheres.
- the force that can be attached to the valve 20 by means of a screw can be locked to the valve 20 by using at least a hard ball 68 and a compression coil spring 63.
- an operation of pulling the slide ring 54 is required when attaching the valve 20, and the operation becomes a so-called one action.
- valve core pressing member 87 of the coupler-equipped filling adapter 49 presses the shaft 43 of the valve core 41, the gas can flow through the valve core 41.
- an air supply nozzle (not shown) is connected to the second joint 80 to charge the gas.
- the direction of the second joint 80 is such that the air supply nozzle is easily connected. Can be oriented in the desired direction.
- the gas pressure of the compressor for supplying the compressed gas to the air supply nozzle is adjusted to 950 kPa (9.5 kg / cm 2 ).
- the gas passes through the valve core 41 of the second joint 80, the through hole 104 of the piston 58, and the valve core pressing member 87, and further through the valve core 41 of the hole 34 of the valve 20. It is supplied to the inner gas chamber 14.
- the pressure in the upper space portion between the drawing upper end of the piston 58 and the main body 51 is increased to push the valve body 93 downward in the drawing (F1: pressure in the upper space portion X valve
- F1 pressure in the upper space portion X valve
- the cross-sectional area of the small diameter shaft 95 of the body 93, the biasing force (F2) toward the upper space portion side (upward direction in the drawing) by the compression coil spring 101 and the pressure of the outer gas chamber 13 The balance with the combined force (F2 + F3) combined with the force (F3: pressure in the outer gas chamber 13 X cross section of the small diameter shaft 95 of the valve 93 in the outer gas chamber 13)
- the force (F1) becomes larger than the resultant force (F 2 + F 3)
- the valve body 93 moves downward in the drawing, and the gas presses the middle diameter portion 77b, the small diameter portion 77c, and the valve core of the through hole 77.
- Charging to the outer gas chamber 13 takes place via the element 87.
- the operator separates the air supply nozzle.
- the gas is transferred to the outer gas chamber 13 and the inner gas chamber 14 without switching the valve as in the related art. It is possible to charge and to provide a predetermined pressure difference between the outer gas chamber 13 and the inner gas chamber 14.
- a packing for closing the opening of the first hollow stem 22 is provided on the inside of the valve cap 130.
- a coupler-equipped filling adapter 49 is attached to the valve 20 and a pressure gauge is attached to the first joint 79 for internal pressure measurement.
- the pressure release adapter 120 is attached to the valve 20.
- the tube 11 not be expanded in the tire when degassing. Muselet (with respect to the condition before degassing).
- valve core 41 on the inner gas chamber 14 side is pressed first, and then the slide shaft 107 of the removal suppressing adapter 105 is pressed.
- the position of the lower end of the valve core pressing member 87 (and / or the position of the upper end of the shaft 43 of the valve core 41 or the position of the upper end of the slide shaft 107 of the removal suppressing adapter 105) needs to be set in advance.
- the gas in the inner gas chamber 14 and the gas in the outer gas chamber 13 may be simultaneously released. Since the internal pressure of the inner gas chamber 14 is higher than that of the outer gas chamber 13, when both gases are released simultaneously, the gas is released first from the inner gas chamber 14 having a high internal pressure, and the tube 11 is released during gas removal. Does not expand.
- the coupler 200 of this embodiment is different in shape from the coupler-equipped filling adapter 49 of the first embodiment.
- the coupler 200 of the present embodiment includes a cylindrical member 206 provided with a first gas passage 202 and a second gas passage 204.
- a nut 208 for pressing one end side of the cylindrical member to the valve 20 is rotatably engaged with the cylindrical member 206.
- One end side of the first gas passage 202 and one end side of the second gas passage 204 are respectively opened to one end surface of the cylindrical member 206, and the valve core pressing member 87 is attached to each opening portion. .
- a cap 210 is attached to the other end side of the cylindrical member 206 by a bolt 212.
- Connected to the cap 210 is one end of a first pipe 214 connected to the first gas passage 202 and one end of a second pipe 216 connected to the second gas passage 204.
- the first pipe 214 is connected to the through hole 228 of the cylindrical member 226 via the joint 224.
- the second pipe 216 is connected to the branch 232 via the joint 230.
- One end of a joint 234 and a first joint 79 used in internal pressure measurement are connected to the branch 232.
- a cap 238 is attached to the cylindrical member 226 on the side opposite to the joint side.
- a through hole 240 is formed in the center of the cap 238, and a second joint 80 for gas filling is connected to the through hole 240.
- valve body 93 In the through hole 236 of the cylindrical member 226, the valve body 93, the stopper 98, and the compression coil spring 101 are disposed.
- valve core pressing member 87 presses the shaft 43 of the valve core 41 of the valve 20, the flow of gas in the valve core 41 is enabled.
- the pressure in the space between the right end of the drawing of the valve body 93 and the cap 238 increases, and the force in the direction to push the valve body 93 to the left in the drawing (F1: pressure in the space X valve body
- the cross-sectional area of the small diameter shaft portion 93 of 93 is the space portion side (drawing in the drawing) by the biasing force (F2) to the space portion side (right direction in the drawing) by the compression coil spring 101 and the pressure of the outer gas chamber 13.
- both the inner gas chamber 14 and the outer gas chamber 13 are charged.
- the pressure in the outer gas chamber 13 gradually rises, and the valve 93 is moved to the space portion side (right direction in the drawing).
- the resultant (F2 + F3) force between the force (F3) to be moved to and the biasing force (F2) of the compression coil spring 101 When the valve body 93 is larger than the force (F1) in the direction of pushing leftward in the drawing.
- the valve body 93 is pushed to the space portion side, and the O-ring 97 is in close contact with the step (not shown) of the through hole 236.
- the gas is first charged to the inner gas chamber 14 at 50 kPa, and the differential pressure mechanism constituted by the valve body 93, the compression coil spring 101, etc. is activated, and the inner gas chamber 14 and the outer gas chamber 13
- the gas is alternately filled into the inner gas chamber 14 and the outer gas chamber 13 while maintaining a differential pressure of 50 kPa between them, and the filling is completed at almost the same time (finally, the outer gas chamber 13
- the internal pressure J gas chamber 14 is 950 kPa.
- the gas can be charged into the outer gas chamber 13 and the inner gas chamber 14 as in the first embodiment, and a predetermined pressure difference is generated between the outer gas chamber 13 and the inner gas chamber 14. It is possible to set S.
- the coupler 200 When checking the internal pressure of the outer gas chamber 13 (so-called tire gas pressure), the coupler 200 is attached to the valve 20 and a pressure gauge is attached to the first joint 79 for internal pressure measurement.
- the present embodiment is a modification of the valve 20 of the first embodiment.
- the gas in the inner gas chamber 14 and the air in the outer gas chamber 13 are not used without the pressure release adapter 120.
- the valve core 41 of the hole 34 and the valve core 41 of the hole 35 are removed at the same timing, or the valve core 41 of the hole 34 corresponding to the inner gas chamber 14 is an outer gas chamber
- the hole 35 corresponding to 13 needs to be removed prior to the valve core 41.
- valve core 41 of the hole 34 and the valve core 41 of the hole 35 are aligned at the same level in the axial direction, but the hole 34 is formed so that the gas in the inner gas chamber 14 is released first.
- the valve core 41 may be displaced upward in the drawing than the valve core 41 of the hole 35.
- valve core 41 of the hole 35 is disposed further to the back of the hole 35 than the removal suppressing adapter 105, when viewed visually, the valve core 41 of the inner gas chamber 14 and the corresponding hole 34 It has a sense to sense that it must be removed first, and it is effective to prevent the valve core 41 of the hole 35 from being removed first.
- the outer gas chamber 13 and the inner gas chamber 14 are filled with air, but the present invention is not limited to this, and the outer gas chamber 13 and the inner gas chamber 14 may be made of nitrogen gas, etc. Good, even filling with gas other than air.
- valve for a safety tire according to the present invention is suitable for use in a tire having a dual structure, and in the case where the outer gas chamber and the inner gas chamber provided in the tire are charged with gas. Suitable for
- the depressurization method according to the present invention is suitable for use in a tire having a double structure, and is suitable for releasing the gas in the outer gas chamber and the inner gas chamber to the atmosphere.
- valves (valves for safety tires)
- Valve core (check valve for inner gas chamber, check valve for outer gas chamber
- Valve core pressing member (operating means, first projection, second projection)
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04745585A EP1635095B1 (en) | 2003-06-05 | 2004-06-04 | Valve for safety tire and pressure-releasing adapter |
DE200460010113 DE602004010113T2 (de) | 2003-06-05 | 2004-06-04 | Ventil für sicherheitsreifen und druckablassadapter |
US10/559,619 US20060237062A1 (en) | 2003-06-05 | 2004-06-04 | Valve for safety tire filling adaptor with a coupler pressure releasing adapter and pressure releasing method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-161408 | 2003-06-05 | ||
JP2003161408A JP4340477B2 (ja) | 2003-06-05 | 2003-06-05 | 安全タイヤ用バルブ、カプラー付き充填アダプター、放圧アダプター、及び放圧方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004109168A1 true WO2004109168A1 (ja) | 2004-12-16 |
Family
ID=33508639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/007809 WO2004109168A1 (ja) | 2003-06-05 | 2004-06-04 | 安全タイヤ用バルブ、カプラー付き充填アダプター、放圧アダプター、及び放圧方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060237062A1 (ja) |
EP (1) | EP1635095B1 (ja) |
JP (1) | JP4340477B2 (ja) |
DE (1) | DE602004010113T2 (ja) |
ES (1) | ES2297445T3 (ja) |
WO (1) | WO2004109168A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006321447A (ja) * | 2005-05-20 | 2006-11-30 | Bridgestone Corp | バルブ保護具 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004020121U1 (de) * | 2004-12-30 | 2005-03-24 | Alligator Ventilfab Gmbh | Reifenventil und Formdichtung für ein Reifenventil |
US7562671B2 (en) * | 2006-04-10 | 2009-07-21 | Lo-Pin Wang | Auto-switching valve connector for air pump |
FR2902173B1 (fr) * | 2006-06-09 | 2008-12-05 | Michelin Soc Tech | Valve de pneumatique et procede pour son demontage |
CN100465000C (zh) * | 2006-09-05 | 2009-03-04 | 贝正其 | 轮胎防爆气门嘴 |
ITVI20120092A1 (it) | 2012-04-20 | 2013-10-21 | Alberto Deanesi | Gruppo valvolare perfezionato per il gonfiaggio di ruote |
CN103104725B (zh) * | 2013-01-25 | 2015-05-13 | 先驱塑胶电子(惠州)有限公司 | 一种风嘴 |
ES2578913B1 (es) * | 2014-12-30 | 2017-05-10 | Advantaria S.L. | Válvula con varios conductos de paso y estanqueidad aumentada |
WO2019186956A1 (ja) | 2018-03-29 | 2019-10-03 | 太平洋工業株式会社 | バルブコア |
TWI722566B (zh) * | 2019-09-12 | 2021-03-21 | 周文三 | 汽車輪胎氣嘴與空氣壓縮機軟管接頭相結合之防噴構造 |
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- 2004-06-04 DE DE200460010113 patent/DE602004010113T2/de active Active
- 2004-06-04 US US10/559,619 patent/US20060237062A1/en not_active Abandoned
- 2004-06-04 WO PCT/JP2004/007809 patent/WO2004109168A1/ja active IP Right Grant
- 2004-06-04 ES ES04745585T patent/ES2297445T3/es active Active
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Also Published As
Publication number | Publication date |
---|---|
JP4340477B2 (ja) | 2009-10-07 |
US20060237062A1 (en) | 2006-10-26 |
JP2004360832A (ja) | 2004-12-24 |
ES2297445T3 (es) | 2008-05-01 |
DE602004010113T2 (de) | 2008-09-11 |
EP1635095A1 (en) | 2006-03-15 |
EP1635095A4 (en) | 2006-06-14 |
EP1635095B1 (en) | 2007-11-14 |
DE602004010113D1 (de) | 2007-12-27 |
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