WO2019041408A1 - Dispositif d'alarme de pression de pneu - Google Patents

Dispositif d'alarme de pression de pneu Download PDF

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Publication number
WO2019041408A1
WO2019041408A1 PCT/CN2017/102920 CN2017102920W WO2019041408A1 WO 2019041408 A1 WO2019041408 A1 WO 2019041408A1 CN 2017102920 W CN2017102920 W CN 2017102920W WO 2019041408 A1 WO2019041408 A1 WO 2019041408A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductive
valve core
tire pressure
valve stem
valve
Prior art date
Application number
PCT/CN2017/102920
Other languages
English (en)
Chinese (zh)
Inventor
郭皓
Original Assignee
郭皓
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 郭皓 filed Critical 郭皓
Publication of WO2019041408A1 publication Critical patent/WO2019041408A1/fr

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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
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L17/00—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies

Definitions

  • the present application relates to the technical field of tire air pressure monitoring devices, and more particularly to a tire pressure alarm device.
  • the traditional valve core belongs to the inflatable tire valve core. Although it has the functions of sealing, inflation and deflation, it cannot monitor the tire pressure.
  • Patent 201120003248.5 describes a tire internal pressure at a higher than standard pressure, automatically deflated to standard pressure and tire The valve core whose internal air pressure is lower than the standard air pressure automatic alarm, this kind of valve core is inflated, and the supporting chuck is needed to lift the core column and the pressure control valve device thereon to complete the inflation or deflation, and the structure is complicated, and The current inflatable devices on the market cannot be universal, affecting the user experience.
  • An object of the present application is to provide a tire pressure alarm device, which aims to solve the technical problem that the tire pressure alarm device is inconvenient to install, bulky, and uncommon with existing air-filled devices in the prior art.
  • the present application provides a tire pressure alarm device, including a valve core unit having an air outlet and having a valve stem, and an alarm that can be sealed to the air outlet and connected to one end of the valve stem a shut-off unit, and a signal transmitting unit for connecting the valve and the other end of the valve stem;
  • the alarm switching unit includes a conductive housing having a port end, and the cover is sealed to the opening of the conductive housing And an elastic film formed with a second accommodating cavity, and an insulating slider received in the second accommodating cavity and connected to the inner wall of the elastic film, surrounding the insulating sliding a block outer periphery and connected to the conductive outer casing a conductive ring, a conductive slider received in the second accommodating cavity, and a conductive elastic member received in the second accommodating cavity; the other end of the conductive shell is provided with a venting hole One end of the valve stem passes through the vent hole and protrudes into the second accommodating cavity, and one end of the conductive slider can abut the insulating slider and the alarm
  • the conductive elastic member is a pressure spring made of a conductive material.
  • an inner wall of the second accommodating cavity is covered with a first insulating layer.
  • the alarm switching unit further includes a sealing cover that is sealed on the mouth of the conductive housing, and the elastic film is sandwiched between the sealing cover and the conductive ring.
  • the valve core unit includes a valve core body respectively provided with an air inlet port and the air outlet port at both ends, and is sealed on the air inlet port and enclosed with the valve core body.
  • a valve core cap of the first accommodating cavity the valve stem that is received in the first accommodating cavity and protrudes from the valve core cap and the air outlet respectively, and is received in the valve core
  • An elastic member in the first accommodating cavity and surrounding the outer periphery of the valve stem, a sealing ring is disposed on an outer sidewall of the valve core, and a first insulating positioning piece is sleeved on an outer peripheral wall of the valve stem
  • One end of the elastic member abuts against the first insulating stator, and the other end of the elastic member abuts against an inner sidewall of the valve core.
  • a second insulating positioning piece is sleeved on the outer peripheral wall of the valve stem, and the valve stem is fixedly connected to the conductive housing through the second insulating positioning piece.
  • a conductive rubber for sealing and conducting is disposed at a joint of the valve core and the conductive outer casing.
  • the outer peripheral wall of the valve stem is wrapped with a second insulating layer.
  • the elastic member is a spring or a spring piece.
  • the signal transmitting unit comprises a power source and a signal transmitter, one end of the signal transmitter is electrically connected to the power source, and the other end of the signal transmitter is connected to one end of the valve stem.
  • the tire pressure alarm device provided by the present application has the beneficial effects that: an alarm switching unit and a signal transmitting unit are added at both ends of the valve core unit, and the alarm switching unit is installed in the tire through the valve, so that The air pressure in the tire interacts with the external atmospheric pressure and the conductive elastic member, thereby separating or abutting the conductive slider and the conductive ring, thereby realizing the closing or opening of the alarm, effectively solving the inconvenience of installing and using the tire pressure alarm device.
  • the large size and technical problems that cannot be common with existing inflatable equipment expand the adaptability of the tire pressure alarm device, reduce the production cost of the tire pressure alarm device, and improve the user experience.
  • FIG. 1 is a schematic cross-sectional view showing a tire tire normal state of a tire pressure alarm device according to an embodiment of the present application
  • FIG. 2 is a schematic cross-sectional view showing an alarm state of a tire pressure alarm device according to an embodiment of the present application
  • FIG 3 is a schematic cross-sectional view of a valve core unit and an alarm switching unit in a tire pressure alarm device according to an embodiment of the present application.
  • first, second, and the like are used for descriptive purposes only, and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining “first”, “second” may explicitly or implicitly include one or more of the features. In the description of the present application, “multiple” means two or more, unless specifically defined otherwise.
  • the tire pressure alarm device includes a valve core unit 10, an alarm switching unit 20, and a signal transmitting unit 30, wherein the valve core unit 10 has an air outlet 112, and a valve stem 13 is disposed in the valve core unit 10, and a valve is used.
  • the core unit 10 is installed in the valve 40 for charging and deflation of the tire 50; the alarm switching unit 20 can be sealed on the air outlet 112, and the alarm unit 20 is connected to one end of the valve stem 13
  • the in-use alarm switching unit 20 is mounted in the valve 40 with the valve core unit 10 and is wrapped by the atmosphere in the tire 50; the signal transmitting unit 30 is used to connect the valve 40 and the other end of the valve stem 13;
  • the alarm switching unit 20 includes a conductive housing 21, an elastic film 22, an insulating slider 23, a conductive ring 24, a conductive slider 25, and a conductive elastic member 26.
  • the conductive housing 21 is provided with a port 211 at one end thereof, and the conductive housing 21 is provided.
  • the other end of the second end is provided with a venting hole 212; the elastic film 22 is sealed at the mouth 211 of the conductive outer casing 21, and the elastic film 22 is enclosed with the conductive outer casing 21 to form a second accommodating cavity 200;
  • the conductive cavity 24 is connected to the inner wall of the elastic film 22, the conductive ring 24 is surrounded by the outer periphery of the insulating slider 23, and the conductive ring 24 is connected to the conductive outer casing 21; the conductive slider 25 is accommodated in the first portion.
  • the conductive elastic member 26 is disposed in the second accommodating cavity 200; specifically, the venting hole 212 is used to realize that the air pressure in the second accommodating cavity 200 is consistent with the external atmospheric pressure, and one end of the valve stem 13 Passing through the vent hole 212 and extending into the second accommodating cavity 200, one end of the conductive slider 25 can abut the insulating slider 23 and the conductive ring 24, and the other of the conductive slider 25 The end abuts against one end of the conductive elastic member 26, and the other end of the conductive elastic member 26 abuts against one end of the valve stem 13. It can be understood that the outer dimensions of the above-mentioned valve core unit 10 are the same as those of the conventional valve core. In order to realize connection with the alarm switching unit 20, the internal structure of the valve core unit 10 is adaptively modified.
  • the valve core unit 10, the alarm switching unit 20, the signal transmitting unit 30 and the valve 40 constitute a communication circuit, the pressure of the air pressure in the tire 50, the pressure of the external atmospheric pressure, and the elastic force of the conductive elastic member 26 are common.
  • the pressure of the air pressure in the tire 50 is greater than the sum of the pressure of the external atmospheric pressure and the elastic force of the conductive elastic member 26, and the pressure of the air pressure in the tire 50 causes the elastic film 22 is raised toward the second accommodating cavity 200.
  • the insulating slider 23 pushes the conductive slider 25 under the driving of the elastic film 22, so that the conductive slider 25 is separated from the conductive ring 24, thereby making the alarm clear.
  • the signal transmitting unit 30 stops emitting an alarm signal; when the air pressure in the tire 50 is insufficient, the sum of the external atmospheric pressure and the elastic force of the conductive elastic member 26 is greater than the air pressure in the tire 50. The pressure of the conductive elastic member 26 causes the conductive slider 25 to move downward to bring the insulating slider 23 back to the original set position.
  • the conductive slider 25 abuts against the conductive ring 24, thereby causing the alarm to be turned on, thereby causing the circuit to communicate, and the signal transmitting unit 30 sends out an alarm signal with insufficient tire pressure to remind the user and the helium to inflate.
  • the tire pressure alarm device 10 provided by the present application has an advantageous effect compared with the prior art in that an alarm switching unit 20 and a signal transmitting unit 30 are added to both ends of the valve core unit 10 through the valve 40.
  • the alarm switching unit 20 is installed in the tire 50, so that the air pressure in the tire 50 interacts with the external atmospheric pressure and the conductive elastic member 26, thereby separating or abutting the conductive slider 25 from the conductive ring 24, thereby achieving an alarm.
  • the closing or opening of the tire pressure alarm device effectively solves the technical problem that the tire pressure alarm device is inconvenient to install, large in size, and cannot be common with the existing air-filled equipment, and the adaptability of the tire pressure alarm device is expanded, and the production of the tire pressure alarm device is reduced. Cost, which improves the user experience.
  • the conductive elastic member 26 is a pressure spring made of a conductive material.
  • the conductive elastic member 26 can be made of metal such as copper, iron, zinc, etc., and the elastic value provided by the conductive elastic member 26, that is, the threshold value of the preset alarm pressure, can be selected according to the normal operation of the vehicle of different models and the required tire pressure standard. In this way, the tire pressure alarm device is more widely applicable.
  • the inner wall of the second accommodating cavity 200 is covered with a first insulating layer 27 .
  • the first insulating layer 27 covers the end of the valve stem 13 and the conductive slider 25 and the conductive elastic member 26 and the conductive housing 21, thus ensuring the reliability of the operation of the alarm switching unit 20, and avoiding
  • the tire pressure is normal, one end of the valve stem 13 , the conductive slider 25 or the conductive elastic member 26 accidentally contacts the conductive outer casing 21 , causing the conductive slider 25 not to contact the conductive ring 24 to cause an alarm to be turned off. , causing the signal transmitting unit 30 to transmit an erroneous alarm signal.
  • the alarm switching unit 20 further includes a sealing cover 28, which is sealed on the conductive cover.
  • the elastic film 22 is interposed between the sealing cover 28 and the conductive ring 24.
  • the edge of the elastic film 22 is sandwiched between the sealing cover 28 and the conductive ring 24 to achieve a sealed connection between the elastic film 22 and the conductive outer casing 21, so that the inner portion of the tire 50 and the second receiving cavity 200 are divided into two independent parts. Pressure space, resulting in contrast pressure.
  • the valve core unit 10 includes a valve core 11, a valve core cap 12, and a valve stem 13 , the elastic member 14 , the sealing ring 15 and the first insulating positioning piece 16 , wherein the two ends of the valve core 11 are respectively provided with an air inlet 111 and an air outlet 112 ; the valve core cap 12 is sealed at the air inlet 111 Wherein, the valve core cap 12 and the valve core 11 are enclosed to form a first accommodating cavity 100 ; the valve stem 13 is received in the first accommodating cavity 100, and the two ends of the valve stem 13 respectively protrude The valve core cap 12 and the air outlet 112 are external; the elastic member 14 is received in the first accommodating cavity 100, and the elastic member 14 surrounds the outer periphery of the valve stem 13; the sealing ring 15 is disposed on the outer wall of the valve core 11 , for sealing the gap between the valve core 11 and the valve 40, to ensure a sealed
  • valve stem 13 When the tire 50 needs to be inflated, pressure is applied to the valve stem 13 to move the valve stem 13 downward and separate the valve core 11 from the conductive outer casing 21, thereby allowing the air outlet 112 to communicate with the atmosphere in the tire 50, high-pressure airflow.
  • the intake air gap 113 between the valve core cap 12 and the valve stem 13 flows into the first accommodating cavity 100, and then flows into the tire from the air outlet 112. 50;
  • the pressure acting on the valve stem 13 is removed, and the valve core 11 abuts against the conductive outer casing 21, thereby closing the air outlet 112.
  • venting hole 212 and the air outlet 112 are always in communication, that is, the second accommodating cavity 200 and the first accommodating cavity 100 are always in communication through the vent hole 212 and the air outlet 112, thereby realizing the second accommodating cavity.
  • the air pressure in 200 is consistent with the external atmospheric pressure.
  • a conductive rubber 29 is disposed at a joint of the valve core 11 and the conductive outer casing 21, specifically The conductive rubber 29 is embedded in the top of the conductive housing 21 and can abut against the inner end of the valve core 11.
  • the conductive rubber 29 is used to seal the gap between the valve core 11 and the conductive outer casing 21, and abuts against the conductive rubber 29 at the inner end of the valve core 11, thereby realizing current conduction between the valve core 11 and the conductive outer casing 21. through.
  • a second insulating positioning piece 17 is sleeved on the outer peripheral wall of the valve stem 13
  • the valve stem 13 is fixedly connected to the conductive housing 21 via the second insulating positioning piece 17.
  • the end of the valve stem 13 that protrudes into the second accommodating cavity 200 has a "T" shape, and the "T"-shaped end and the second insulating locating piece 17 clamp and fasten the conductive outer casing 21, thereby achieving
  • the valve stem 13 is fixedly connected to the conductive outer casing 21, and functions to define the movable range of the valve stem 13, thereby preventing the valve stem 13 from greatly swaying at the air outlet 112. It can be understood that there is an air gap 114 between the second insulating positioning piece 17 and the air outlet 112, so that the tire 50 is inflated and the high-pressure airflow can smoothly flow into the tire 50.
  • a second insulating layer 130 is wrapped on the outer peripheral wall of the valve stem 13 .
  • the valve stem 13 is prevented from accidentally contacting the valve core 11, the valve core cap 12, the elastic member 14, and the conductive housing 21, thereby preventing the trigger signal transmitting unit 30 from issuing an erroneous alarm signal.
  • the signal transmitting unit 30 includes a power source 31 and a signal transmitter 32, wherein the signal transmitter 32 One end of the signal transmitter 32 is electrically connected to the power source 31, and the other end of the signal transmitter 32 is connected to one end of the valve stem 13.
  • the conductive ring 24 is electrically connected to the valve 40 through the conductive housing 21, the conductive rubber 29, the valve core 11 and the valve core cap 12, and the valve 40 is electrically connected to one pole of the power source 31.
  • 25 is electrically connected to the signal transmitter 32 through the conductive elastic member 26 and the valve stem 13, and the signal transmitter 32 is electrically connected to the other pole of the power source 31.
  • the valve core unit 10 When the conductive slider 25 abuts against the conductive ring 24, the valve core unit 10 is The circuit composed of the alarm switching unit 20, the signal transmitting unit 30 and the valve 40 is closed, so that the power source 31 supplies power to the signal transmitter 32, and the trigger signal transmitter 32 transmits an alarm signal to the outside.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

L'invention concerne un dispositif d'alarme de pression de pneu comprenant une unité de noyau de soupape (10) qui est dotée d'une colonne de noyau de soupape (13), une unité de commutation d'alarme (20) qui est raccordée à une extrémité de la colonne de noyau de soupape (13) et une unité de transmission de signaux (30) qui est raccordée à l'autre extrémité de la colonne de noyau de soupape (13) ; l'unité de commutation d'alarme (20) comprend un boîtier externe conducteur (21), un film élastique (22), un curseur isolant (23), un anneau conducteur (24), un curseur conducteur (25) et des éléments élastiques conducteurs (26), une extrémité du curseur conducteur (25) pouvant venir en butée contre le curseur isolant (23) et l'anneau conducteur (24). Le dispositif d'alarme de pression de pneu dispose en outre l'unité de commutation d'alarme (20) et l'unité de transmission de signaux (30) au niveau de deux extrémités de l'unité de noyau de soupape (10), et au moyen de l'interaction entre la pression d'air à l'intérieur d'un pneu et la pression atmosphérique externe et les éléments élastiques conducteurs (26) à l'intérieur de l'unité de commutation d'alarme (20), le curseur conducteur (25) est séparé de l'anneau conducteur (24) ou vient en butée contre ce dernier, ce qui permet d'obtenir la fermeture ou l'ouverture du commutateur d'alarme, et par conséquent de résoudre les problèmes techniques selon lesquels l'installation et l'utilisation de dispositifs d'alarme de pression de pneu sont peu pratiques, des dispositifs d'alarme de pression de pneu présentent un volume important et des dispositifs d'alarme de pression de pneu ne peuvent pas être utilisés avec des dispositifs gonflables existants.
PCT/CN2017/102920 2017-09-01 2017-09-22 Dispositif d'alarme de pression de pneu WO2019041408A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201721119499.3U CN207106066U (zh) 2017-09-01 2017-09-01 胎压报警装置
CN201721119499.3 2017-09-01

Publications (1)

Publication Number Publication Date
WO2019041408A1 true WO2019041408A1 (fr) 2019-03-07

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Application Number Title Priority Date Filing Date
PCT/CN2017/102920 WO2019041408A1 (fr) 2017-09-01 2017-09-22 Dispositif d'alarme de pression de pneu

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WO (1) WO2019041408A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113895185B (zh) * 2021-11-23 2023-09-01 保隆霍富(上海)电子有限公司 轮胎压力传感器及气门嘴组件

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2412776Y (zh) * 2000-01-18 2001-01-03 张奎华 汽车轮胎泄压探测器
CN2531961Y (zh) * 2001-11-19 2003-01-22 马水泉 汽车轮胎气压监测器
CN201437319U (zh) * 2009-07-09 2010-04-14 林保宏 轮胎安全警报器
CN201907374U (zh) * 2011-01-07 2011-07-27 郭安希 汽车轮胎标准气压自动监控报警器
CN204387423U (zh) * 2015-01-20 2015-06-10 郭皓 多功能汽车轮胎气门芯
JP5953388B1 (ja) * 2015-03-16 2016-07-20 森　啓二 タイヤ空気圧警報器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2412776Y (zh) * 2000-01-18 2001-01-03 张奎华 汽车轮胎泄压探测器
CN2531961Y (zh) * 2001-11-19 2003-01-22 马水泉 汽车轮胎气压监测器
CN201437319U (zh) * 2009-07-09 2010-04-14 林保宏 轮胎安全警报器
CN201907374U (zh) * 2011-01-07 2011-07-27 郭安希 汽车轮胎标准气压自动监控报警器
CN204387423U (zh) * 2015-01-20 2015-06-10 郭皓 多功能汽车轮胎气门芯
JP5953388B1 (ja) * 2015-03-16 2016-07-20 森　啓二 タイヤ空気圧警報器

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