131results about "Tyre-inflating valves" patented technology

The present invention provides a pneumatic valve system for easily attaching and sealing a valve coupler to a valve stem for filling an inflatable vessel such as a tire, tube, mattress, etc. The valve system may comprise the following major components: a valve stem, a valve cap with a pin passage and attachment structure for attaching to a valve coupler, a sealing member, a biasing member, the valve coupler comprising a coupler housing, a pin seat, an inflation pin, and a collar with ball bearings complementary to the attachment structure of the valve cap, and an elastic sleeve for providing inward force against the ball bearings. The valve system may allow for easy, secure, and sealed engagement between the valve coupler and valve stem by simply pushing down on the valve coupler, and disengagement by pulling up on the valve coupler with as little as two fingers.

The utility model relates to the technical field of inflating valves, and discloses a vacuum tire inflating valve with a sealing reinforcing ring, which comprises an inflating valve body, a sealing head is fixedly mounted at one end of the inflating valve body, a valve core is arranged in the inflating valve body far away from the sealing head, the valve core comprises a core body, and a core cap is fixedly mounted on the core body. The core body is in threaded connection in the inflating valve body through a core cap, a core rod is installed in the core cap in a penetrating mode, a valve seat and a spring seat are fixedly installed on the outer side of the core rod, and a compression spring is further arranged on the core rod between the inner bottom of the core body and the valve seat in a sleeved mode. The outer side of the core body is provided with a plurality of second sealing grooves, and the lower end of the core body is provided with a sealing ring of which the inner side and the outer side are provided with reinforcing grooves, so that when the upper end of the core seat abuts against the core body through the sealing reinforcing ring, the sealing ring is clamped into a third sealing groove, and then multiple sealing between the sealing reinforcing ring and the core body is achieved; and the airtight reliability of the whole valve core can be improved.

An external battery-powered tire pressure monitoring device, comprising a tire pressure monitoring sensor and a valve mechanism; the upper portion of the valve mechanism is provided with an external power supply assembly (17), and the lower end of the valve mechanism is connected to a built-in tire pressure sensor assembly (18); the valve mechanism is further internally provided with a conduction part for achieving electrical connection between the external power supply assembly (17) and the built-in tire pressure sensor assembly (18); the external power supply assembly (17) is arranged on a valve cap (4); the valve cap (4) connects a negative electrode of the external power supply assembly (17) to a valve body (2) by means of threads; a negative electrode of the built-in tire pressure sensor assembly (18) is connected to the valve body (2); and, by means of the conduction part, the valve cap (4) connects a positive electrode of the external power supply assembly (17) to a positive electrode of the built-in tire pressure sensor assembly (18). The tire pressure monitoring device facilitates replacement of power supply batteries.

The utility model discloses a snow tire with an anti-skid function, which relates to the technical field of snow tires and comprises a tire body, an anti-skid mechanism is arranged on the outer side of the tire body and comprises a plurality of lugs, the outer surface of each lug is fixedly connected with the outer surface of the tire body, and the outer surface of each lug is fixedly connected with the outer surface of the tire body. The outer surface of each protruding block is fixedly connected with a plurality of anti-skid columns, and a plurality of V-shaped grooves are formed in the outer surface of the tire body. According to the anti-skid tire, the friction force between the tire and the snowfield can be effectively enhanced through the protruding blocks, the anti-skid columns on the protruding blocks and the V-shaped grooves in the surface of the tire, it is not needed to additionally bind a chain like a traditional mode to achieve anti-skid, and troublesome operation of binding the chain and the risk that the chain may fall off are avoided; the anti-skid balls fixedly connected in the two annular grooves in the tire body further improve the anti-skid performance, and the anti-skid tire shoulder blocks on the tire body and the grooves formed in the outer surfaces of the tire shoulder blocks are also beneficial to improving the anti-skid capacity of the two sides of the tire.

The present invention relates to an offshore storage device for accommodating an inflatable liferaft, the inflatable liferaft comprising an internal volume containing a non-toxic gas, the internal volume having a controllable environment; an inflatable lifesaving device includes an interior volume, an uninflated inflatable lifesaving raft disposed in the interior volume, a gas cylinder disposed at least partially in the interior volume, the gas cylinder containing an inflation gas or a mixture of inflation gases for inflating the inflatable lifesaving raft, where a major portion of the inflation gas or the mixture of inflation gases is nitrogen or air, wherein the pressure indicator is operably connected with the gas cylinder to determine the pressure of the inflation gas in the gas cylinder.

The utility model discloses a bicycle tire convenient to inflate, which relates to the field of bicycle tires and comprises a bicycle inner tube, an inflating valve is fixedly connected to the outer wall of the bicycle inner tube, an inserting groove is formed in the inflating valve, a clamping groove is formed in the inner side wall of the inserting groove, and a cap is mounted on the outer wall of the inflating valve. An inserting block is fixedly connected to the inner wall of the cap, a protruding block is fixedly connected to one side of the inserting block, the protruding block can be extruded by the clamping groove by pulling the cap, the protruding block deforms, limiting on the inserting block is relieved, the inserting block is driven to slide along the inserting groove, and the cap is detached from the inflating valve. And by disassembling the air clamp, under the action of the reset spring and internal air pressure, the sliding block can slide along the sliding groove, the sealing plug is driven to reset, the sealing ring is clamped into the sealing groove in a butt joint mode, and the effect of improving the sealing performance of the inflating valve is achieved.

An inflation system for tubeless bicycle tires may include a valve, a sealant canister, a pump head, and / or a valve core adapter. The valve, sealant canister, and pump head may collectively facilitate sealant injection into a tire by a user. The valve has an external valve seat, and includes a valve body, a valve stem extending through the length of the valve body, and a retaining mechanism for the valve stem disposed interior to the valve body. The valve stem is configured to move relative to the valve body, such that a resilient seating surface disposed at a proximal end of the valve stem is displaced relative to a valve seat formed by an exterior surface of a proximal end of the valve body.

The utility model discloses a novel multi-air-chamber wheel which comprises a tire and a rim, the tire is a multi-air-chamber tubeless tire and is composed of a plurality of air chambers which are arranged in the axial direction, each air chamber is provided with an isolation ring so that each air chamber can form a relatively closed space, the rim is composed of a rim and a spoke, and the rim and the spoke are arranged in a staggered mode. The rim part is designed to be of a concave air storage structure in the radial direction; the concave air storage structure and the isolation ring form a relatively closed air storage chamber, an air inlet valve and an exhaust valve are installed on the isolation ring, and when the pressure in the tire air chamber exceeds a set opening value, the air chamber exhaust valve automatically exhausts air and relieves pressure. According to the utility model, other intact tire air chambers can be ensured to continuously run when one tire air chamber leaks or bursts, so that the safety of a vehicle is protected. Besides, in the running process of the vehicle, when part of the air chambers exceed the safety pressure value due to the conditions of overweight, jolting, pit passing, high temperature and the like, all the air chambers can automatically exhaust and relieve pressure towards the concave air storage structure through the exhaust valves, and tire burst caused by overlarge pressure in the air chambers is avoided.

A flotation device that can include a multi-chamber flotation element having a first fluid chamber and a second fluid chamber. The flotation device can have a first valve in fluid communication with the active inflation chamber but not the passive inflation chamber and an opening in fluid communication with the passive inflation chamber but not the active air chamber. The active inflation chamber can be configured to be inflated through the first valve. The active inflation chamber can be configured to expand the passive inflation chamber from a collapsed state to an expanded state as the active inflation chamber is expanded by, for example and without limitation, permitting ambient air to enter the passive inflation chamber when a pressure within the passive inflation chamber is less than an ambient air pressure.

The invention relates to an inflation valve for use with a tubeless tire, the inflation valve comprising a ball valve. The ball valve optionally includes a housing in which a ball is disposed, the ball forming a through-hole, the ball being rotatable between an open position in which air and / or sealant are permitted to flow through the through-hole and a closed position in which air and / or sealant are permitted to flow through the through-hole, the ball being rotatable between an open position in which air and / or sealant are permitted to flow through the through-hole and a closed position in which air and / or sealant are permitted to flow through the through-hole. Air and / or sealant are substantially prevented from flowing through the through-hole.

Provided is a technique that makes it possible to stabilize the fixation of a tire valve with respect to a rim compared to the prior art. A tire valve according to the present disclosure is provided with: a valve stem configured to accommodate a valve core; an elastic press-fitting member configured to cover the outer surface of the valve stem, press-fitted into the through-hole of the rim from the inner surface side of the rim of the wheel, and attached in a state of penetrating the inside and outside of the rim; a rigid cover sleeve that is configured so as to be fitted to the outside of the press-fitting member from the tip side of the press-fitting member, and that abuts the outer surface of the rim; a first retaining engagement portion provided on the cover sleeve and a portion of the valve stem exposed forward from the press-fitting member, the first retaining engagement portion engaging with each other so as to restrict axial movement of the cover sleeve; and a second retaining engagement part which is provided to the press-fitting member and the cover sleeve and which engages with each other so as to restrict the movement of the cover sleeve in the axial direction.

A wheel assembly is provided that includes a structure defining a wheel portion configured to receive a portion of a tire. The wheel assembly further includes a structure of the wheel portion defining an air channel from a face of the wheel portion to an area that receives the portion of the tire, an end of the air channel proximate to the face being configured to receive a valve, where the structure is further configured to receive a corrosion mitigation device within the air channel.

A valve for a pressure vessel such as a bicycle tire is provided. The valve includes a body having a bore on one end and a groove communicating with the bore, the body further having a passage for fluid communication with the bore, and the body further having a circumferential groove on its outer diameter. A valve seat is disposed in the groove. A sealing plug is disposed in the passage. A biasing member is provided that engages with the passage and biases the sealing plug to press it against the valve seat. Embodiments provide a valve core having an insert that supports the valve seat during operation.

The utility model discloses a bicycle tire valve cap with a positioning function, which comprises a valve cap barrel and a positioner, the bottom of the valve cap barrel is fixedly connected with the valve cap barrel, the inner surface wall of the valve cap barrel is provided with internal threads, the top of a top seat is fixedly connected with a top sleeve, and the top sleeve and the valve cap barrel form a placing cavity for placing the positioner. In the application, the positioner is placed on the top seat, the top sleeve is connected to the top of the positioner in a sleeving manner, the top sleeve and the top seat are fixed, and subsequently, the nozzle cap barrel is screwed with the outer surface wall of the air nozzle on the tire, so that the combination of the air nozzle cap and the air nozzle of the bicycle tire is realized, and the functionality of the air nozzle cap is expanded by additionally arranging the positioner; a bicycle owner can determine the position of the bicycle according to the positioner, the safety performance of the bicycle is improved, and therefore the using effect of the bicycle tire valve cap is improved.

The utility model discloses a two-piece type tubeless self-sealing wheel, characterized in that: including tubeless pneumatic tire body, with the hub of tire body adaptation connection, set up at tire body and the hub one side junction place's bead seat and the pneumatic rod of penetrating the hub, tire body's bead part integral moulding has a plurality of with the ring -like distribution of bead seat and the sealed connection of hub O -ring, the utility model discloses the setting of annular O -ring, O -ring and the hook portion of bead seat, the fixed part sealed surface of hub close adhesion, utilize the elastic deformation of O -ring to fill the gap, form sealed structure, simultaneously hook portion both sides edge resist O -ring circumference, force O -ring to produce radial elastic deformation, further enhance sealed density, effectively prevent tire body air leakage, satisfy the self -sealing demand of tubeless wheel, guarantee the pressure stability of wheel internal air cavity, improved the driving safety and stability, reduced the manufacturing and maintenance cost of inner tube, with good economic benefits.

A tire valve is provided, wherein the tire valve includes: a tubular member including an inner surface, an internal channel and a first threaded portion, the internal channel being defined by the inner surface; a valve assembly including a sealing portion, movably inserted in the internal channel, and being operable to drive the sealing portion to engage with the inner surface to block the internal channel or disengage from the inner surface to unblock the internal channel; and a sleeve member including a connection opening and a second threaded portion, the second threaded portion being screwed to the first threaded portion, the sleeve member being configured to urge and secure the tire valve to a rim, the connection opening being in communication with the internal channel and configured for an inflation and deflation device to be detachably assembled thereto.

The utility model provides a kind of installation structure of automobile tire pressure sensor, it is related to tire pressure sensor technical field, including tire pressure sensor body and air cock.The utility model is cooperated by positioning block, fixed plate, round hole, positioning groove, slot, inserting rod, installation slot, mounting plate, spring one, limit block, limit hole, side plate, slide column, baffle ring, spring two and pull handle etc., the detachable connection of tire pressure sensor body and air cock is realized, when one of components is damaged, it can be individually disassembled and replaced, without overall replacement, substantially reduce maintenance cost, reduce unnecessary resource consumption, reduce the economic burden of user, simultaneously, the installation of the structure is accurately positioned by positioning block and positioning groove, then cooperate with the simple operation of inserting rod, limit block, slide column etc. Component can be extracted inserting rod by pulling pull handle, pressing limit block when disassembling, realize the quick separation of component, greatly simplify installation and maintenance process.

A mechanical fluid pressure regulator comprising: a regulator portion for housing a valve assembly, and a manual adjustment portion. The regulator portion having a supply port for receiving a supply pressure and a delivery port for providing a delivery pressure; the delivery port being in selective fluid communication with the supply port. The adjustment portion having a structure at least partially disposed therein. The structure is adjustable for establishing the delivery pressure at a set target and comprises a locking mechanism. The locking mechanism generating prevailing torque to prevent unintentional adjustment of the structure.

A pneumatic pressure controller includes a body, an inflation plunger, a vent and a deflation diaphragm or piston. The body defines an input chamber and an output chamber for connection of a pneumatic pressure source and pneumatic container respectively. The plunger is biased towards a closed condition wherein it inhibits fluid flow from the input chamber to the output chamber and is movable against the bias to allow such fluid flow for inflation of the pneumatic container. The diaphragm or piston is variably biased towards a closed condition wherein it closes the vent. The diaphragm or piston is configured to move away from the vent to an open condition under the influence of fluid pressure in the output chamber when the inflation plunger is in the closed condition and the variable bias is sufficiently reduced, enabling fluid from the pneumatic container to egress to the atmosphere via the vent.

[Problem] Provided is a technique capable of fixing a tire valve to a rim more stably than before. [Solution] A tire valve of the present disclosure includes: a valve stem configured to house a valve core; a press-fit member made of an elastomer configured to cover an outer side surface of the valve stem and to be press-fitted into a through hole of a rim of a wheel from an inner surface side of the rim and attached so as to pass through the rim from the inner surface side to an outer surface side; a cover sleeve made of a rigid body configured to be fitted over an outer side of the press-fit member from a distal end side of the press-fit member so as to be brought into abutment with an outer surface of the rim; first retaining engagement portions provided in an exposed portion of the valve stem exposed from the press-fit member toward a distal side, and in the cover sleeve, and configured to engage with each other so as to restrict axial movement of the cover sleeve; and second retaining engagement portions provided in the press-fit member and the cover sleeve and configured to engage with each other so as to restrict the axial movement of the cover sleeve.

This application relates to a valve structure, including a valve body, with a valve cap and a connecting seat connected to both ends of the valve body. The valve cap is a hollow sleeve and can slide on the valve body. A cap is movably provided at one end of the valve cap, which can close the valve body. A snap-fit ​​part is provided on the valve body, which can connect with the end of the valve cap away from the cap. This application, by providing a movably connected valve cap on the valve body, and by making the valve cap hollow sleeve, allows the valve cap to move, facilitating normal inflation of the valve body. By providing a movably provided cap on the valve cap, the valve body can be closed, preventing dust and water from entering and facilitating use. Simultaneously, the snap-fit ​​part on the valve body, which can connect with the valve cap, can restrict the position of the valve cap, achieving an anti-theft and anti-loss effect.

The present invention relates to a pressure management system for at least one inflatable tire, comprising : at least one wheel (10) including at least one inflatable tire; - at least one first airtight chamber A; at least a second inflatable chamber B and at least partially defined by said tire, chamber B being airtight and distinct from chamber A; a first communication passage (20) between chamber A and chamber B a second communication passage (25) between chamber B and an environment external to wheel C; a third communication passage (30) between chamber A and external environment C; opening and closing means (40, 140, 240, 240b) configured to alternately open and close said passages to each other.

The utility model discloses a kind of puncture-proof reinforced butyl inner tube, it is related to butyl inner tube technical field, including inner tube main body, the outer side of inner tube main body is provided with puncture-proof mechanism, puncture-proof mechanism includes outer protective layer, buffer layer and air-tight layer, the outer surface of inner tube main body is fixedly connected with air valve, outer protective layer includes gradient fiber distribution layer, buffer layer includes microporous foamed adhesive layer.It can be through the intercoordination between gradient fiber distribution layer, three-dimensional netted fiber layer, honeycomb impact resistance layer, chopped carbon fiber layer and liquid butyl rubber layer, can effectively prevent sharp object puncture inner tube main body, enhance the applicability of the device, avoid vehicle in the process of road travel easily crush to various sharp objects, to easily cause damage to inner tube, need driver to stop and maintain tire, and the puncture resistance of inner tube is poor, easily cause inner tube maintenance frequency increase, lead to tire service life reduction reduces problem.

The utility model discloses a mute tire with a noise reduction function, which relates to the technical field of tires and comprises a tire main body, auxiliary mechanisms are jointly arranged on two sides of the tire main body and inside the tire main body, and noise reduction mechanisms are jointly arranged inside the tire main body and outside the tire main body. The noise reduction mechanism comprises mounting boxes which are circumferentially arranged at equal intervals, the side faces, away from one another, of the multiple mounting boxes are fixedly connected with the inner wall of the tire body, and a mounting block is clamped into each mounting box. According to the mute tire, the tire main body, the mounting box, the mounting block, the mounting arc plate and the sound insulation cotton are matched, so that the sound insulation cotton can be stably mounted in the tire main body, and the sound insulation cotton in the tire main body is further mounted by utilizing the matching of a wedge-shaped block and a clamping groove, so that the sound insulation cotton in the mute tire can be conveniently dismounted and mounted; the effects of reducing the maintenance cost of the mute tire and facilitating maintenance and use of the mute tire are achieved.

A pneumatic valve is provided. The valve includes a unitary body having a passage therethrough and a circumferential groove about a proximal end of the body, the passage having a first portion of a constant diameter from a proximal end, and a second portion extending from the first portion to a distal end of the body. A seal is disposed in the second portion of the passage. A plug is disposed through the passage and selectively engageable with the seal. A spring us disposed in the passage and operably coupled to the plug, the spring biasing the plug into a first position. When the plug is in the first position a head of the plug is biased against the seal to prevent fluid communication through the passage, when the plug is in a second position, the plug is disengaged from the seal to allow fluid communication therethrough.

The embodiment of the utility model provides a pressure maintaining device and a pressure maintaining structure and relates to the technical field of tire inflation and deflation, the pressure maintaining device comprises a guide sealing ring and a throttling element, the guide sealing ring is arranged between an air port of a tire valve and an air port of a valve core, a containing cavity is formed in the guide sealing ring, and the throttling element is arranged in the containing cavity in a sliding mode in the axial direction. When inflation is switched to pressure maintaining, the throttling element slides from the first position to the second position, the throttling element is attached to the air port of the tire valve, and the air output of the air port of the tire valve is reduced. Due to the fact that the throttling piece is attached to the air opening of the tire valve, the air outlet amount of the air opening of the tire valve is reduced, the tire valve is closed after air in the air pipe is rapidly emptied, the pressure maintaining capacity is improved, meanwhile, the influence of reducing the air pipe aperture on the inflation efficiency is avoided, and the inflation efficiency is ensured.

The utility model discloses an air inflation device which comprises a shell, a first air inflation device, a second air inflation device and a control device. The shell is provided with a first cavity and a second cavity. The valve element is arranged in the first cavity, an air channel extending in the axial direction is formed in the valve element, an air hole is formed in the side wall of the valve element, and the air hole communicates with the air channel; one end of the push rod is located in the air channel of the valve element, the other end of the push rod extends out of the shell, a first annular groove is formed in the push rod, the radial size of the first annular groove is smaller than that of the air channel, and the first annular groove corresponds to the air hole in position; the push rod is sleeved with the spring, and one end of the spring abuts against the valve element; the elastic rubber sleeve is arranged in the first cavity of the shell, a first sleeving opening and a second sleeving opening which axially extend are formed in the elastic rubber sleeve, the radial size of the first sleeving opening is smaller than that of the second sleeving opening, and the first sleeving opening is adjacent to the second sleeving opening and located on the inner side of the second sleeving opening; and the fixing sleeve is arranged on the shell and axially limits the elastic rubber sleeve. The inflation is simple and convenient, and the universality is good.