WO2017063314A1 - 胎压计 - Google Patents

胎压计 Download PDF

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Publication number
WO2017063314A1
WO2017063314A1 PCT/CN2016/071192 CN2016071192W WO2017063314A1 WO 2017063314 A1 WO2017063314 A1 WO 2017063314A1 CN 2016071192 W CN2016071192 W CN 2016071192W WO 2017063314 A1 WO2017063314 A1 WO 2017063314A1
Authority
WO
WIPO (PCT)
Prior art keywords
disposed
housing
nut
pressure gauge
hole
Prior art date
Application number
PCT/CN2016/071192
Other languages
English (en)
French (fr)
Inventor
李安培
苏治强
Original Assignee
铁将军汽车电子有限公司
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 铁将军汽车电子有限公司 filed Critical 铁将军汽车电子有限公司
Priority to US15/306,285 priority Critical patent/US20170267037A1/en
Priority to EP16795217.5A priority patent/EP3192676A4/en
Priority to KR1020167034846A priority patent/KR20170058333A/ko
Publication of WO2017063314A1 publication Critical patent/WO2017063314A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
    • B60C23/02—Signalling devices actuated by tyre pressure
    • B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
    • B60C23/0491—Constructional details of means for attaching the control device
    • B60C23/0494—Valve stem attachments positioned inside the tyre chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • 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

Definitions

  • the present invention relates to the field of tire pressure sensing technology, and in particular, to a tire pressure gauge.
  • a motorcycle tire pressure gauge includes a housing having a cover upper and a lower cover, a circuit board disposed in the housing, a battery, a pressure sensor, a nut post, and a valve assembly, the valve
  • the nozzle assembly includes a screw portion integrally formed with the nozzle rod and the nozzle rod and matched with the nut post, and a cylindrical compression spring sleeved on the nut post and biased between the housing and the valve; a stepped hole penetrating through the upper casing and the lower cover is disposed on the casing, and the lower cover is provided with an air inlet hole, so that the gas in the tire enters the tire pressure gauge through the air inlet hole, thereby sensing the gas in the tire for the pressure sensor
  • the nut column is connected to the screw from the top of the upper case through the stepped hole, and the circuit board and the battery are disposed on two sides of the nut column, and the circuit board is realized by two metal pieces. Mechanical and electrical connection of the battery.
  • the motorcycle tire pressure gauge is mounted by arranging the nut column and the nozzle rod on both sides of the rim (the screw portion of the valve is connected to the nut column through the valve mounting hole on the rim), and is pressed by the cylindrical spring Between the housing and the rim, to prevent travel on uneven road surfaces, the connection of the valve assembly to the tire pressure gauge housing is loosened, and even the nozzle stem is separated from the housing.
  • the motorcycle tire pressure gauge can accurately detect the internal pressure of the motorcycle tire, and convert the gas pressure into an electrical signal for transmission (received and displayed for a display device mounted on the handlebar), thereby allowing the driver to know
  • the current pressure conditions of the tires ensure driving safety.
  • the nut column and the housing are designed in an infinite position, and the housing can be rotated in the tire, the position is not fixed, and the rim can be worn to be worn, which cannot meet the requirement of the diversity of the hub cross section.
  • a tire pressure gauge includes a housing having an air inlet hole, a valve assembly and a nut column connected to the housing, the valve assembly including a nozzle rod, a first screw portion, and a second screw portion and a nut sleeved on the first screw portion, the nut post includes an insertion portion and a limiting portion, the housing is disposed through the top end and the bottom end of the housing and is opposite to the nut column a stepped hole of the mating portion, the stepped hole of the nut post is connected to the second screw portion of the valve assembly, and the limiting portion of the nut post abuts on the housing
  • the present invention has the following advantages: the fixing of the valve nozzle rod and the rim by the setting of the nut and the first screw portion; the setting of the nut column and the second screw portion, and the housing is provided with The stepped hole of the nut column cooperates to realize the connection between the tire pressure gauge housing and the valve nozzle rod.
  • the connection structure between the tire pressure gauge and the rim is relatively firm, and is not easily rotated by the tire.
  • the centrifugal force generated by the body causes the housing to separate from the nozzle shaft.
  • the tire pressure gauge further includes a positioning member, the housing includes an upper casing and a lower cover covering the upper casing, the positioning member includes a positioning seat provided with the nut and a sleeve a ferrule of the positioning seat; a slot corresponding to the outer contour of the nut is disposed in one end of the positioning seat, and a plurality of external teeth are disposed on an outer circumference of the other end; the ferrule is disposed outside the positioning seat The teeth are matched with the internal teeth, and the ferrule is formed on the lower cover corresponding to the stepped hole. Due to the positioning member, the mounting position of the tire pressure gauge housing in the hub is adjustable, and there is no relative rotation between the tire rotation housing and the nozzle rod.
  • the tire pressure gauge further includes a conical compression spring that is biased between the positioning seat and the ferrule, and the large end of the conical compression spring abuts on the lower cover, and the small end thereof The positioning seats are offset.
  • a PCB assembly and a battery for supplying power to the PCB assembly are disposed in the housing, and the PCB assembly includes a circuit board, a pressure sensor, a control circuit and an antenna which are both disposed on the circuit board and are electrically connected in sequence.
  • the battery is disposed on one side of the longitudinal direction of the circuit board, and the pressure sensor, the control circuit and the antenna are all disposed on
  • the circuit board is adjacent to one end of the battery, and the other end of the circuit board is provided with a positioning hole, and the step hole is disposed at a position corresponding to the positioning hole.
  • the tire pressure gauge further includes a conductive ring disposed between the upper case and the nut post and having a stud, and the upper case is provided with a receiving groove for placing a conductive ring, the conductive Forming the stepped hole after the ring is placed in the receiving groove, the upper case is provided with a through hole for the stud to pass through at a position corresponding to the stud, and the antenna is disposed on the circuit board The pad is connected to the stud by a screw passing through a pad of the antenna.
  • FIG. 1 is a perspective view of a tire pressure gauge of the present invention
  • FIG. 2 is an exploded view of the tire pressure gauge shown in FIG. 1;
  • FIG. 3 is an exploded view of another perspective view of the tire pressure gauge of FIG. 1; [0017] FIG.
  • FIG. 4 is a partial cross-sectional view of the tire pressure gauge shown in FIG. 1.
  • the tire pressure gauge 100 includes a housing 1, a valve assembly 2 and a nut post 3.
  • the housing 1 includes an upper case 10 and a lower cover 11 that is covered with the upper case 10.
  • An air inlet hole 4 is defined in the upper casing 10.
  • the housing 1 is provided with a PCB assembly 12 for detecting the pressure of the gas entering the housing 10 through the air inlet 4 and transmitting the pressure signal as an electrical signal and a battery 13 for powering the PCB assembly 12.
  • the valve assembly 2 includes a nozzle shaft 20, a first screw portion 21 (see FIG. 4) provided at one end of the nozzle shaft 20 away from the air inlet, and a second screw portion 22 connected to the first screw portion 21. And a nut 23 (such as a hex nut) for engaging the first screw portion 21 to fix the nozzle rod 20 to the rim.
  • the nut post 3 is stepped and includes an insertion portion 31 and a limiting portion 32 provided at the end of the insertion portion 31.
  • the insertion portion 31 is provided with an internal thread 311 that cooperates with the second screw portion 22.
  • the limiting portion 32 is provided with a hexagonal hole (not labeled), a cross hole or a word hole in the middle portion thereof, so as to rotate the nut column 3 by a corresponding tool to realize the same with the first screw portion 22.
  • the connection in turn, achieves the connection of the housing 1 to the mouthpiece 20.
  • the housing 1 is provided with a stepped hole 109 extending through the top end thereof (ie, the top end of the upper casing 10) and the bottom end (ie, the bottom end of the lower cover 11) and engaging the nut post 3,
  • the PCB assembly 12 in the housing 1 is provided with a positioning hole 125 at a position corresponding to the stepped hole 109, so that the insertion portion 31 of the nut post 3 can pass through the stepped hole 10 9 and the positioning hole 125, and the limiting portion 32 is restricted from passing through the stepped hole 109.
  • the insertion portion 31 of the nut post 3 is connected to the first screw portion 22 of the valve assembly 2 through the stepped hole 109 of the housing 1, and the limiting portion 3 of the nut post 3 abuts against the upper portion On the casing 10, the fixing of the casing 1 to the valve assembly 2 is achieved.
  • the positioning member 5 includes a positioning seat 52 sleeved on the nut 23 and a ferrule 51 formed on the lower cover 11 of the housing 1 corresponding to the step hole 109.
  • One end of the positioning seat 52 is provided.
  • the positioning member is assembled, the ferrule 51 is sleeved around the positioning seat 52, and the internal teeth 511 are engaged with the external teeth 521 of the positioning seat 52. Since the matching internal teeth 511 and the external teeth 521 are provided, when the ferrule 51 and the positioning seat 52 are assembled, the two positions are not changed by the external force, so that the housing 1 can be positioned in the hub. Somewhere.
  • connection between the ferrule 51 and the positioning seat 52 can be loosened (the internal teeth and the external teeth are separated), and then the housing 1 is turned to the desired angle.
  • the ferrule 51 is sleeved on the positioning seat 52 and locked by the nut post 3 and the second screw portion 22. It can be seen that the mounting position of the housing 1 in the hub is adjustable.
  • the tire pressure gauge 100 further includes a conical compression spring 6 that is biased between the ferrule 51 and the positioning seat 52.
  • the large end of the conical compression spring 6 abuts against the lower cover 11, and the small end abuts against the positioning seat 52. Since the conical compression spring 6 is disposed between the ferrule 51 and the positioning seat 52, the connection between the valve assembly 2 and the housing 1 is prevented from being loosened even when the tire pressure gauge 100 is used on a rough road surface or a long raft. Falling off affects the normal use of the tire pressure gauge.
  • the PCB assembly 12 includes a circuit board 120, a pressure sensor 121 integrated on the circuit board 120 and sequentially connected, a control circuit and an antenna (not labeled), and the control circuit detects the pressure sensor 121.
  • the pressure signal is connected to the antenna and transmitted by the antenna to the outer space of the hub.
  • one end of the antenna is represented as a pad on the circuit board.
  • the tire pressure gauge 100 further includes a conductive ring 16 disposed between the nut post 3 and the upper case 10.
  • the upper casing 10 is provided with a receiving groove (not labeled) for placing the conductive ring 16, and the conductive ring 16 is placed in the receiving groove to construct the stepped hole 109.
  • the housing 1 is mounted to the valve assembly 2, and the insertion portion 31 of the nut post 3 passes through the hole of the conductive ring 16, and the stopper of the nut post is in contact with the conductive ring.
  • the conductive ring 16 is provided with a stud 161.
  • the upper casing 10 is provided with a through hole (see FIG. 4, not labeled) at a position corresponding to the stud 161 for the stud 161 to pass through.
  • the circuit board 120 is connected to the stud 161 by a screw 19 passing through the antenna pad 124, so that the pad 124 of the antenna is in contact with the stud 161, and the antenna and the conductive ring 16, the nut post 3
  • the second screw portion 22 and the valve nozzle rod 20 are electrically connected, so that the pressure signal can be guided to the nozzle rod through the antenna, the conductive ring and the nut post, and emitted from the nozzle rod. Since the conductive ring, the screw column and the valve are all metal parts, the electrical conductivity is good, so the transmission quality of the pressure signal is high and the transmission distance is long.
  • the battery 13 is disposed on one side of the longitudinal direction of the circuit board 120 and connected to circuits or components on the circuit board 120 through a pair of battery pads (not labeled).
  • the pressure sensor 121, the control circuit and the antenna are all disposed on the circuit board 120 near the end of the battery 13, so that the circuit board 120 forms a blank area away from one end of the battery 13.
  • the blank area is for arranging the positioning hole 125.
  • the upper casing is provided with a boss (not shown) at a position corresponding to the positioning hole, and a part of the hole of the step hole 109 is formed in the boss, and the circuit board 120 passes a positioning hole 125 is sleeved on the boss [0034] Since the positioning hole 125 is disposed on the circuit board 120 while avoiding the component, the positioning hole 125 overlaps with the circuit board 120.
  • the lower cover 11 is snap-connected with the upper casing 10.
  • the upper case forms a bayonet corresponding to the outer contour of the lower cover, and the lower cover is caught therein.
  • the boss is provided with a chuck at a position close to the lower cover, and the lower cover is provided with a card position at a position corresponding to the chuck, and the card cover is inserted into the bayonet of the upper casing. Enter the card and jam the lower cover.

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

Abstract

一种胎压计，包括开设有进气孔（4）的壳体（1）、与壳体（1）连接的气门嘴组件（2）和螺母柱（3）；所述气门嘴组件（2）包括依次设置的嘴杆（20）、第一螺杆部（21）、第二螺杆部（22）及套设在第一螺杆部（21）上的螺母（23）；所述螺母柱（3）包括插入部（31）和限位部（32）；所述壳体（1）上开设贯通壳体（1）的顶端和底端并与所述螺母柱（3）相配合的台阶孔（109），所述螺母柱（3）的插入部（31）可穿过所述台阶孔（109）与气门嘴组件（2）的第二螺杆部（22）连接，并且螺母柱（3）的限位部（32）抵顶在所述壳体（1）上。该胎压计与轮辋之间的连接结构较为牢固，不易于受轮胎转动时壳体产生的离心力影响而导致壳体与嘴杆相分离，连接较为可靠。

Description

胎压计 技术领域
[0001] 本发明涉及胎压传感技术领域， 特别涉及一种胎压计。
背景技术
[0002] 当前， 驾驶安全越来越受到人们的重视， 一些实用的驾驶辅助设备， 比如胎压 计， 得到了广泛的认可和应用。
[0003] 现有一种摩托车胎压计， 包括具有相盖合的上壳和下盖的壳体、 设于壳体内的 电路板、 电池、 压力传感器、 螺母柱及气门嘴组件， 所述气门嘴组件包括嘴杆 与嘴杆一体成型的并与所述螺母柱相配合的螺杆部及套在所述螺母柱上并弹压 在所述壳体与气门嘴之间的柱形压簧； 所述壳体上幵设贯通上壳和下盖的台阶 孔， 所述下盖幵设进气孔， 以使轮胎内气体通过该进气孔进入胎压计， 进而为 所述压力传感器感应轮胎内气体的压力； 所述螺母柱从所述上壳顶部穿过所述 台阶孔与所述螺杆连接， 所述电路板和电池分设于螺母柱的两侧， 并且通过两 个金属片来实现电路板和电池的机械和电性连接。
[0004] 该摩托车胎压计安装吋， 通过将螺母柱与嘴杆分别位于轮辋两侧 （气门嘴的螺 杆部穿过轮辋上的气门嘴安装孔与螺母柱连接） ， 并用柱形弹簧弹压在壳体与 轮辋之间， 以防止在不平坦的路面行驶吋， 气门嘴组件与胎压计壳体的连接出 现松动， 甚至嘴杆与壳体相分离。
[0005] 该摩托车胎压计可以实吋检测摩托车轮胎内部压力， 并将该气体压力转换成电 信号发送出去 （为安装在车把上的显示装置接收并显示） ， 从而让驾驶员获知 轮胎当前的压力状况， 保障了驾驶安全。
[0006] 然而， 螺母柱与壳体之间并无限位设计， 壳体可在轮胎内转动， 位置不固定而 可能与轮辋相碰触而出现磨损， 不能适应轮毂截面多样性的需求。
技术问题
[0007] 本发明的目的在于提供一种胎压计， 其壳体在轮毂内安装位置可调节， 并可固 定， 适用于不同轮辋截面的轮毂。 问题的解决方案
技术解决方案
[0008] 为实现该目的， 本发明采用如下技术方案：
[0009] 一种胎压计， 包括其上幵设进气孔的壳体、 与壳体连接的气门嘴组件和螺母柱 ， 所述气门嘴组件包括依次设置的嘴杆、 第一螺杆部、 第二螺杆部及套设在第 一螺杆部上的螺母， 所述螺母柱包括插入部和限位部， 所述壳体上幵设贯通壳 体的顶端和底端并与所述螺母柱相配合的台阶孔， 所述螺母柱的插入部所述台 阶孔与气门嘴组件的第二螺杆部连接， 并且螺母柱的限位部抵顶在所述壳体上
发明的有益效果
有益效果
[0010] 与现有技术相比， 本发明具备如下优点： 通过设置螺母与第一螺杆部实现气门 嘴嘴杆与轮辋的固定； 设置螺母柱和第二螺杆部， 并且壳体上设有与螺母柱相 配合的台阶孔， 实现了胎压计壳体与气门嘴嘴杆的连接。 通过将胎压计与轮辋 的固定分为多段固定 （即轮辋与嘴杆、 嘴杆与壳体的固定） ， 该胎压计与轮辋 之间的连接结构较为牢固， 不易于受轮胎转动吋壳体产生的离心力影响而导致 壳体与嘴杆相分离。
[0011] 该胎压计还包括定位件， 所述壳体包括上壳和与所述上壳相盖合的下盖， 所述 定位件包括设有套住所述螺母的定位座和用于套住定位座的卡套； 所述定位座 的一端内设有与螺母外轮廓相应的槽位， 其另一端的外周设有多个外齿； 所述 卡套设有与所述定位座的外齿相配合的内齿， 并且该卡套对应所述台阶孔形成 于所述下盖上。 由于设有定位件， 胎压计壳体在轮毂内的安装位置可调， 并且 在轮胎转动吋壳体与嘴杆之间不相对转动。
[0012] 进一步地， 该胎压计还包括弹压在所述定位座与卡套之间的锥形压簧， 该锥形 压簧的大端抵顶在所述下盖上， 其小端与所述定位座相抵。
[0013] 进一步地， 所述壳体内设有 PCB组件和为该 PCB组件供电的电池， 所述 PCB组 件包括电路板、 均设于电路板上并依次电连接的压力传感器、 控制电路和天线 ， 所述电池设于电路板纵长方向的一侧， 压力传感器、 控制电路及天线均设于 电路板上靠近电池的一端， 电路板的另一端幵设有一个定位孔， 所述台阶孔设 于与定位孔相应的位置处。
[0014] 所述胎压计还包括设于所述上壳与螺母柱之间的并且具有一螺柱的导电环， 所 述上壳上幵设用于放置导电环的容纳槽， 所述导电环置于容纳槽后构造出所述 的台阶孔， 所述上壳在与该螺柱相应的位置处幵设有一让该螺柱穿过的通孔， 所述天线体现为设置在电路板上的焊盘， 所述电路板借助一螺钉穿过天线的焊 盘与所述螺柱连接。
对附图的简要说明
附图说明
[0015] 图 1为本发明的胎压计的立体图；
[0016] 图 2为图 1所示胎压计的分解图；
[0017] 图 3为图 1所示胎压计的另一个视角的分解图；
[0018] 图 4为图 1所示的胎压计的局部剖视图。
实施该发明的最佳实施例
本发明的最佳实施方式
[0019] 在此处键入本发明的最佳实施方式描述段落。
本发明的实施方式
[0020] 下面结合附图和示例性实施例对本发明作进一步地描述， 其中附图中相同的标 号全部指的是相同的部件。 此外， 如果已知技术的详细描述对于示出本发明的 特征是不必要的， 则将其省略。
[0021] 图 1〜4示出了本发明的胎压计 100， 安装在摩托车轮毂上， 用于对轮胎内的气 体压力进行实吋监测， 以保证驾驶安全。 该胎压计 100包括壳体 1、 气门嘴组件 2 和螺母柱 3。
[0022] 所述壳体 1包括上壳 10和与上壳 10相盖合的下盖 11。 所述上壳 10上幵设进气孔 4 。 所述壳体 1内设有用于侦测由进气孔 4进入壳体 10内的气体的压力并将压力信 号以电信号发射的 PCB组件 12和为 PCB组件 12供电的电池 13。 [0023] 所述气门嘴组件 2包括嘴杆 20、 设于嘴杆 20远离进气口的一端的第一螺杆部 21 (参见图 4) 、 与第一螺杆部 21连接的第二螺杆部 22， 及用于与第一螺杆部 21相 配合以将嘴杆 20与轮辋相固定的螺母 23 (比如六角螺母） 。
[0024] 所述螺母柱 3呈台阶状， 包括插入部 31和设于插入部 31—端的限位部 32。 所述 插入部 31设有与第二螺杆部 22相配合的内螺纹 311。 所述限位部 32在其中部幵设 有内六角孔 （未标号） 、 十字孔或一字孔， 以便于通过相应的工具来转动所述 螺母柱 3， 实现其与第一螺杆部 22的连接， 进而实现壳体 1与嘴杆 20的连接。
[0025] 所述壳体 1上幵设贯通其顶端 （也即上壳 10的顶端） 和底端 （也即下盖 11的底 端） 并与所述螺母柱 3相配合的台阶孔 109， 并且壳体 1内的 PCB组件 12在该台阶 孔 109对应的位置处设有定位孔 125， 使得螺母柱 3的插入部 31可穿过该台阶孔 10 9、 定位孔 125， 所述限位部 32被限制不能穿过该台阶孔 109。
[0026] 所述螺母柱 3的插入部 31穿过壳体 1的所述台阶孔 109与气门嘴组件 2的第一螺杆 部 22连接， 螺母柱 3的限位部 3抵紧在所述上壳 10上， 从而实现了壳体 1与气门嘴 组件 2的固定。
[0027] 进一步地， 为了实现胎压计壳体 1在轮毂内的安装位置可调， 还包括设于壳体 1 与嘴杆 20之间的定位件 5。 所述定位件 5包括套设在所述螺母 23上的定位座 52和 对应于所述台阶孔 109而形成于壳体 1下盖 11上的卡套 51， 所述定位座 52的一端 内设有与所述螺母 23外轮廓相配合的槽位 520， 定位座的另一端外周形成有外齿 521， 所述卡套 51内设有与所述外齿 521相啮合的内齿 511 (参见图 3) 。 该定位 件组装吋， 所述卡套 51套住所述定位座 52， 并且所述内齿 511与定位座 52的外齿 521相啮合。 由于设有相配合的内齿 511与外齿 521， 当卡套 51与定位座 52组装好 后， 二者不会由于受到外力的作用而发生位置变动， 因而可以将壳体 1定位在轮 毂内某个位置。
[0028] 当需要调节壳体 1的安装位置吋， 可以先松幵卡套 51与定位座 52的连接 （使内 齿和外齿相分离） ， 接着将壳体 1转到所需角度后将卡套 51套在定位座 52上， 并 用螺母柱 3与第二螺杆部 22锁固。 由此可见， 所述壳体 1在轮毂内的安装位置可 调。
[0029] 进一步地， 该胎压计 100还包括弹压在所述卡套 51与定位座 52之间的锥形压簧 6 ， 该锥形压簧 6的大端抵顶在下盖 11上， 小端抵靠在所述定位座 52上。 由于卡套 51与定位座 52之间设有锥形压簧 6， 避免了该胎压计 100在崎岖路面或长吋间使 用吋， 气门嘴组件 2与壳体 1之间的连接出现松动甚至脱落而影响该胎压计的正 常使用。 同吋， 由于锥形压簧 6的大端抵顶壳体 1， 小端抵靠在定位座 52上， 因 而壳体 1在轮胎转动过程中受到的离心力可以很好地传到定位座 52上， 进而传到 轮辋上， 力的平衡性好。
[0030] 具体地， 所述 PCB组件 12包括电路板 120、 集成于电路板 120上并依次连接的压 力传感器 121、 控制电路和天线 （未标号） ， 所述控制电路将压力传感器 121侦 测到的压力信号接入所述天线并由天线向轮毂外空间发射。 优选地， 所述天线 的一端在电路板上表达为焊盘。
[0031] 进一步地， 该胎压计 100还包括设于螺母柱 3与上壳 10之间的导电环 16。 所述上 壳 10幵设用于放置导电环 16的容纳槽 （未标号） ， 所述导电环 16置于容纳槽后 构造出所述的台阶孔 109。 壳体 1与气门嘴组件 2相安装吋， 所述螺母柱 3的插入 部 31穿过导电环 16的孔位， 螺母柱的限位部与该导电环相接触。 所述导电环 16 设有一螺柱 161， 所述上壳 10在与该螺柱 161相应的位置处幵设有一通孔 （参见 图 4， 未标号） 供该螺柱 161穿过。 所述电路板 120通过用一螺钉 19穿过天线的焊 盘 124与所述螺柱 161连接， 从而所述天线的焊盘 124与螺柱 161相接触， 进而天 线与导电环 16、 螺母柱 3、 第二螺杆部 22、 气门嘴嘴杆 20电连接， 从而压力信号 可经天线、 导电环、 螺母柱而导到嘴杆， 并从嘴杆发射出去。 由于导电环、 螺 母柱、 气门嘴都为金属件， 导电性能良好， 故而压力信号的传输质量较高、 传 输距离较远。
[0032] 进一步地， 所述电池 13设于电路板 120纵长方向的一侧并通过一对电池压片 ( 未标号） 与电路板 120上的电路或元件连接。 所述压力传感器 121、 控制电路及 天线均设于电路板 120上靠近电池 13的一端， 以使电路板 120远离电池 13的一端 形成一空白区域。 该空白区域用于幵设有所述的定位孔 125。
[0033] 所述上壳在与所述定位孔相应的位置处内设一凸台 (图未示)， 并且该凸台内形 成所述台阶孔 109的部分孔位， 所述电路板 120通过其定位孔 125套在所述凸台上 [0034] 由于定位孔 125避幵元器件而幵设在电路板 120上， 定位孔 125与电路板 120重叠
， 从而节省了壳体 1内横向的安装面积， 有利于缩小胎压计 100的尺寸。
[0035] 进一步地， 所述下盖 11与所述上壳 10卡扣连接。 具体地， 所述上壳形成与下盖 外轮廓相应的卡口， 将所述下盖卡在其内。 所述凸台在靠近下盖的位置处设有 卡头， 下盖在与卡头相应的位置处设有卡位， 在所述下盖卡入上壳的卡口吋， 所述卡头伸入所述卡位并将下盖卡住。
[0036] 虽然上面已经示出了本发明的一些示例性实施例， 但是本领域的技术人员将理 解， 在不脱离本发明的原理或精神的情况下， 可以对这些示例性实施例做出改 变， 本发明的范围由权利要求及其等同物限定。
工业实用性
[0037] 在此处键入工业实用性描述段落。
序列表自由内容
[0038] 在此处键入序列表自由内容描述段落。

Claims

权利要求书
[权利要求 1] 一种胎压计， 其特征在于， 包括其上幵设进气孔的壳体、 与壳体连接 的气门嘴组件和螺母柱， 所述气门嘴组件包括依次设置的嘴杆、 第一 螺杆部、 第二螺杆部及套设在第一螺杆部上的螺母， 所述螺母柱包括 插入部和限位部， 所述壳体上幵设贯通壳体的顶端和底端并与所述螺 母柱相配合的台阶孔， 所述螺母柱的插入部所述台阶孔与气门嘴组件 的第二螺杆部连接， 并且螺母柱的限位部抵顶在所述壳体上。
2、 根据权利要求 1所述的胎压计， 其特征在于， 还包括定位件， 所述 壳体包括上壳和与所述上壳相盖合的下盖， 所述定位件包括设有套住 所述螺母的定位座和用于套住定位座的卡套； 所述定位座的一端内设 有与螺母外轮廓相应的槽位， 其另一端的外周设有多个外齿； 所述卡 套设有与所述定位座的外齿相配合的内齿， 并且该卡套对应所述台阶 孔形成于所述下盖上。
3、 根据权利要求 2所述的胎压计， 其特征在于， 还包括弹压在所述定 位座与卡套之间的锥形压簧。
4、 根据权利要求 2所述的胎压计， 其特征在于， 所述壳体内设有 PCB 组件和为该 PCB组件供电的电池， 所述 PCB组件包括电路板、 均设于 电路板上并依次电连接的压力传感器、 控制电路和天线， 所述电池设 于电路板纵长方向的一侧， 压力传感器、 控制电路及天线均设于电路 板上靠近电池的一端， 电路板的另一端幵设有一个定位孔， 所述台阶 孔设于与定位孔相应的位置处。
5、 根据权利要求 4所述的胎压计， 其特征在于， 还包括设于所述上壳 与螺母柱之间且具有一螺柱的导电环， 所述上壳上幵设用于放置导电 环的容纳槽， 所述导电环置于容纳槽后构造出所述的台阶孔， 所述上 壳在与该螺柱相应的位置处幵设有一让该螺柱穿过的通孔， 所述天线 体现为设置在电路板上的焊盘， 所述电路板借助一螺钉穿过天线的焊 盘与所述螺柱连接。
PCT/CN2016/071192 2015-10-12 2016-01-18 胎压计 WO2017063314A1 (zh)

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