WO2013155791A1 - 外置式胎压计及其安装结构和相应的装卸工具 - Google Patents

外置式胎压计及其安装结构和相应的装卸工具 Download PDF

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Publication number
WO2013155791A1
WO2013155791A1 PCT/CN2012/077529 CN2012077529W WO2013155791A1 WO 2013155791 A1 WO2013155791 A1 WO 2013155791A1 CN 2012077529 W CN2012077529 W CN 2012077529W WO 2013155791 A1 WO2013155791 A1 WO 2013155791A1
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WO
WIPO (PCT)
Prior art keywords
operating member
tire pressure
pressure gauge
base
mounting structure
Prior art date
Application number
PCT/CN2012/077529
Other languages
English (en)
French (fr)
Inventor
李植滔
Original Assignee
广东铁将军防盗设备有限公司
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 广东铁将军防盗设备有限公司 filed Critical 广东铁将军防盗设备有限公司
Priority to KR1020137031946A priority Critical patent/KR101593074B1/ko
Priority to AU2012377218A priority patent/AU2012377218B2/en
Priority to ES12874901.7T priority patent/ES2582669T3/es
Priority to CA2839222A priority patent/CA2839222C/en
Priority to EP12874901.7A priority patent/EP2746069B1/en
Priority to US14/119,882 priority patent/US8966968B2/en
Priority to RU2013148641/11A priority patent/RU2568524C2/ru
Publication of WO2013155791A1 publication Critical patent/WO2013155791A1/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
    • B60C23/0496—Valve stem attachments positioned outside of the tyre chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • 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
    • 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
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53909—Means comprising hand manipulatable tool

Definitions

  • the invention relates to the field of automobile tire pressure detecting equipment, in particular to an external tire pressure gauge mounting structure, which naturally relates to an external tire pressure gauge adopting the mounting structure, and relates to an external tire pressure corresponding to the mounting structure. Loading and unloading tools.
  • an external tire pressure sensing device including a base, a sensor, a circuit board for an integrated control circuit, and a button battery. And including a package set, the base is axially provided with a screw hole that is screwed to the valve, and a top of the base is formed with a circular table; the device includes a sealing venting member, and the sealing venting member is provided with the circular table a tightly fitting support table and a base screw hole inserted into the bottom of the support table to open the conduction portion of the valve outlet valve, and a communication hole; the sensor is fixed on the bottom surface of the circuit board to control the circuit Electrically connected, the sensing portion of the bottom surface of the sensor is closely fitted with the communication hole of the sealing vent; the button battery is fixed on the top surface of the circuit board and connected to the control circuit.
  • the bottom end of the base is provided with an extension cylinder, and the column wall of the extension cylinder is provided with a plurality of radial screw holes, and a plurality of corresponding screws are respectively disposed through the screw holes to be locked with the column wall of the valve.
  • the primary object of the present invention is to provide an external tire pressure gauge mounting structure that is simple in structure, stable in performance, and convenient to handle.
  • Another object of the present invention is to provide an external tire pressure gauge loading and unloading tool which is supplemented by the mounting and dismounting of the above-described primary purpose mounting structure.
  • the present invention adopts the following technical solutions:
  • an external tire pressure gauge mounting structure of the present invention includes a base that provides a peripheral wall of an external thread and a cap that provides a peripheral wall of the internal thread, the base being screwed with the cap to provide an internal mounting space, and further, the The mounting structure further includes a gear, a backing ring and a locking member; the gear is fixed to the bottom surface of the base and is provided with gear teeth in the circumferential direction; the back ring is provided with a through hole, and the peripheral wall of the through hole is provided with gear teeth; The ring is disposed with the through hole of the outer circumference of the gear and is meshed with the gear teeth of each other; the locking member is closely disposed with the backing ring and the gear; the locking member, the gear and the base are respectively provided There are screw holes for screwing the valve stem.
  • the gear is integrally formed with the base.
  • the locking member is a hex nut, and the screw hole of the valve stem is screwed in the middle portion.
  • the base is provided with an annular groove below the end position of the threaded stroke of the peripheral wall of the external thread provided, and the groove is provided with an annular rubber ring.
  • the cap is designed to surround the outer circumference of the backing ring when the cap is locked with the base.
  • the outer peripheral wall surrounding the top of the cap is provided with a plurality of slots for the loading and unloading tool to perform the mating operation.
  • the backing ring is provided with a bump
  • the cap corresponding to the lug is provided with a notch for circumferential movement of the lug, and the grommet can be manually loaded and unloaded by the lug.
  • an external tire pressure gauge loading and unloading tool of the present invention is used for mounting and the aforementioned external tire pressure gauge mounting structure, including a first operating member and a second operating member, wherein:
  • the first operating member and the second operating member are both disk-shaped, having a front side and a back side;
  • the front surface of the first operating member is provided with a first fastening structure, the back surface is provided with a first recess, and the peripheral wall of the first recess is provided with a convex portion that is engaged with the slot of the mounting structure;
  • a second fastening structure is disposed on the front surface of the second operating member, a second groove is disposed on the back surface, and a peripheral wall of the second groove is provided with a saw tooth that meshes with the gear of the mounting structure;
  • the first operating member and the second operating member are assembled in a snap-fit manner with each other, and an accommodating space is formed between the first operating member and the second operating member for resting the operating member for operating the locking member .
  • the operating member has a handle and a steering head, and the operating head has a notch groove having a shape matching the shape of the outer peripheral wall of the locking member, the first operating member and/or The second operating member is provided with a passage for the handle to pass through.
  • the outer peripheral wall of the first operating member and/or the second operating member is toothed to facilitate manual grip.
  • the first fastening structure comprises two inner and outer tubular walls standing on the front surface of the first operating member, and an annular cylindrical space is formed between the two cylindrical walls, and the inner cylindrical wall is lower than the outer tubular tube.
  • a second fastening structure comprising a single tubular wall erected on the front surface of the second operating member for snapping into the annular cylindrical space.
  • the first operating member and the second operating member respectively have a through hole for wearing the hanging rope.
  • an external tire pressure gauge of the present invention includes the aforementioned external tire pressure gauge mounting structure.
  • the mounting space provided by the mounting structure is provided with a button battery, a pressure sensor, a control circuit and an antenna.
  • the pressure sensor is mounted on the circuit board and fixed on the base.
  • the base is provided through the through hole. a channel of the pressure sensor, the circuit board is located above the pressure sensor, and the control circuit is integrated, the button battery is placed above the circuit board and supplies power to the control circuit, and the antenna is connected to the control circuit, and the base
  • the seat forms part of the antenna.
  • the present invention has the following advantages:
  • the installation structure of the external tire pressure gauge of the present invention changes the mindset, and at the expense of slightly reducing the degree of fastening of the tire pressure gauge and the valve stem, the tire pressure gauge is replaced by a screw lock. Assembling with the valve stem, while the tire pressure gauge is tightened and the valve stem is locked, the reverse rotation of the locking member that has been mounted on the valve stem to the tightening direction of the tire pressure gauge is performed to make the tire pressure It is locked with the valve stem.
  • the gears at the bottom of the tire drive the backing ring to accumulate the potential energy of the forward rotation, and at the same time, the locking member is rotated in the reverse direction, and the locking member and the backing ring are in close contact relationship, therefore, Under the action of friction, it is inevitable to provide the backing ring with potential energy for reverse rotation.
  • the back ring is tightly meshed with the gear and is acted upon by a pair of balancing forces to maintain a more secure connection relationship at the wall of the cap. Under the occlusion, the backing ring and the gear covered by the cap cannot be operated, and the locking member can not be operated unless the tool is used, so that the external tire pressure gauge can maximize the function of theft prevention.
  • the external tire pressure gauge mounting structure of the present invention is provided with a plurality of slots for the cap to facilitate the clamping by the first operating member of the external tire pressure gauge loading and unloading tool of the present invention, and the external type of the present invention
  • the tire pressure gauge loading and unloading tool further provides the second operating member to be engaged with the gear of the mounting structure. Therefore, the external tire press loading and unloading tool of the present invention can respectively hold the cap and the base through the two operating members thereof.
  • the gear can be mounted or disassembled between the cap and the base by rotating the two operating members oppositely or oppositely. Since the two operating members provide a larger grip area relative to the cap, the mounting and removal of the tire pressure gauge mounting structure becomes lighter.
  • the loading and unloading work of the external tire pressure gauge of the present invention in addition to realizing the aforementioned functions, is also designed to be a structure in which the two operating members are engaged and assembled, and further provided for accommodating the tire pressure gauge mounting structure.
  • the operating member of the locking member thus, further provides operational convenience for mounting and detaching the tire pressure gauge from the valve stem.
  • the operating member, the first operating member and the second operating member are skillfully designed into a combined structure, they are not easily lost, are convenient to store, and are more rational in design.
  • FIG. 1 is a schematic rear cross-sectional view showing an embodiment of an external tire pressure gauge of the present invention
  • Figure 2 is an exploded perspective view showing the assembled structure of the embodiment of the external tire pressure gauge of the present invention.
  • Figure 3 is an assembled view of the embodiment of the external tire pressure gauge of the present invention.
  • FIG 4 is an assembled view of the embodiment of the external tire pressure gauge loading and unloading tool of the present invention, wherein the inner device has an operating member;
  • Figure 5 is a schematic view showing the assembled structure of the embodiment of the external tire pressure gauge loading and unloading tool of the present invention, wherein the first operating member and the second operating member are respectively shown facing each other in the front direction, and at the same time, the details of the operating member are shown;
  • Figure 6 is a schematic view showing the relationship between the operating member and the external tire pressure gauge used in the external tire pressure gauge loading and unloading tool of the present invention shown in Figure 5;
  • FIG 7 is a schematic view showing the state of use of the external tire pressure gauge loading and unloading tool of the present invention shown in Figure 5, wherein the first operating member and the second operating member are each shown opposite to each other, and at the same time, they are shown with an external tire pressure gauge. Role relationship
  • FIG. 8 is a schematic diagram showing the effect of the first operating member and the second operating member being engaged with the cap and the bottom gear of the base respectively.
  • an external tire pressure gauge of the present invention is mounted on a valve stem 6 of a tire of a vehicle, and a valve on the valve stem 6 is opened by a plunger 71 to transmit pressure inside the tire.
  • the pressure sensor 72 inside the tire pressure gauge enables the sensor 72 to measure the current internal pressure of the tire and transmit a signal indicative of the pressure to the air through a corresponding control circuit (not shown) and an antenna 75 to be carried in the vehicle.
  • the monitoring unit (not shown) receives the processing to complete the detection of the tire pressure of the automobile.
  • an external tire pressure gauge of the present invention provides a mounting structure having an internal mounting space 10, a pressure sensor 72, a circuit board 73, a control circuit (not shown, the same below), an antenna 75, and A button battery 74.
  • the pressure sensor 72 is mounted at the bottom of the installation space 10, and the mounting structure is designed with a passage for the internal pressure of the tire to be transmitted to the pressure sensor 72.
  • the pressure sensor 72 is connected at its top to the circuit board 73, and the circuit board 73 is placed above the pressure sensor 72.
  • the circuit board 73 is integrated with a control circuit for controlling the pressure sensor 72 for pressure detection and generating a representation.
  • the signal of the measured pressure is radiated to the external space via the antenna 75.
  • the circuit board 73 is fixed on the base 2 of the mounting structure by screws 75.
  • the base 2 is a metal piece, and is electrically connected to the screw 75 by the wiring on the surface of the circuit board 73, and the screw 75 is further connected with the base.
  • the base 2 is connected, and the base 2 is further connected to the valve stem 6, thereby forming an antenna 75, and the base 2 becomes a part of the antenna 75.
  • the button battery 74 is mounted on the top of the circuit board 73 to supply power to the pressure sensor 72, the control circuit, and the antenna 75.
  • the external tire pressure gauge mounting structure of the present invention specifically includes a cap 1 , a base 2 , a gear 3 , a backing ring 4 , and a locking member 5 .
  • the cap 1 has a substantially inverted barrel shape with a circular disk top 12 and a cylindrical wall 13 extending downwardly from the periphery of the disk top 12.
  • the outer periphery of the top of the cap 1 is adjacent to the transition between the column wall 13 and the top 12 of the disk.
  • a plurality of recessed slots 11 are disposed around the outer circumference. The slots 11 are evenly disposed along the circumference. By holding the slots 11 The cap 1 is rotated in the circumferential direction.
  • An internal thread is provided inside the column wall 13 of the cap 1, and an internally threaded peripheral wall 131 is formed to cooperate with the externally threaded peripheral wall 21 on the base 2 to be screwed.
  • the base 2 and the gear 3 are integrally designed, and have a substantially columnar structure, and a top portion thereof is provided with a slot (not labeled) for inserting the pressure sensor 72, and corresponds to the inside of the cap 1
  • the threaded peripheral wall 131 is also provided with an externally threaded peripheral wall 21 by means of which the externally threaded peripheral wall 21 is screwed to the internally threaded peripheral wall 131 of the cap 1 to effect the connection of the base 2 to the cap 1.
  • the mounting space 10 is formed inside the cap 1 and the susceptor 2 to mount the sensor 72, the control circuit, the circuit board 73, the button battery 74, and the antenna 75.
  • annular groove (not numbered, the same below) is disposed, and an annular apron 76 is placed on the annular groove.
  • a screw hole (not labeled, the same below) is disposed in the axial direction, and passes through the gear 3 to enter the base 2. Therefore, when the gear 3 and the base 2 are not integrally formed, if the two are welded or locked, the gear 3 and the base 2 can be directly disposed as the screw holes.
  • a base 2 At the end of the screw hole is a base 2 for providing a mounting platform for the jack 71, the sensor 72, and the like, the through hole penetrating the base 2 itself as a passage of air pressure to the pressure sensor 72.
  • the pressure sensor 72 opens the valve with a front end ejector 71 placed in the passage.
  • the valve causes the tire pressure to act on the ram 71 and conducts to the pressure sensor 72 for pressure detection.
  • the gear 3 is located at a smooth bottom surface formed by the base 2, and is a circular piece having teeth 30 along the circumference.
  • the gear 3 is integrally formed with the base 2, and the gear 3 is screwed.
  • the holes and the screw holes of the base 2 are the same screw holes (not labeled).
  • the backing ring 4 is an annular sheet member having axially disposed through holes 48, and the peripheral wall of the through hole 48 is provided with gear teeth 40 that cooperate with the teeth 30 of the gear 3.
  • the backing ring 4 is also disposed on the bottom surface of the base 2, and the through hole 48 is sleeved around the gear 3, and is engaged by the two teeth 30, 40.
  • the column wall 13 of the cap 1 is designed in the axial length.
  • the outer circumference of the backing ring 4 is just enclosed when the cap 1 is locked with the base 2.
  • a notch 130 is disposed on the column wall 13 of the cap 1, and a protrusion 41 is disposed on the outer circumference of the backing ring 4.
  • the circumferential width of the protrusion 41 is smaller than the circumferential width of the notch 130. In order to finely adjust the circumferential adjustment of the backing ring 4 in the circumferential direction, in addition to facilitating the loading and unloading of the hand holding projection 41, it is also possible to allow the fine adjustment of the tightness between the backing ring 4 and the gear 3.
  • the locking member 5 preferably a hex nut, has a through hole 50 provided therein for screwing with the valve stem 6.
  • the locking member 5 and the valve stem 6 are first screwed and screwed to the bottom of the valve stem 6. Then, the backing ring 4 is sleeve-engaged with the gear 3, paying attention to the alignment of the bump 41 of the backing ring 4 and the notch of the cap 1 (if provided), and the passage of the independent component having the function of the tire pressure gauge The hole is inserted into the valve stem 6 . Finally, in a bidirectional manner, along the valve stem 6 , the individual components having the function of the tire pressure gauge are screwed in the direction of the locking member 5, and the lock is reversely tightened in the direction of the individual components.
  • the tightening member 5 causes the independent member to be locked with the valve stem 6 at the same time, and at the same time, the washer 4 is tightly engaged with the gear 3 by the force in both the forward and reverse directions. Thereby, a stable connection between the external tire pressure gauge and the valve stem 6 is achieved.
  • the present invention will disclose an external tire pressure gauge loading and unloading tool as follows.
  • the external tire pressure gauge loading and unloading tool of the present invention comprises a first operating member 81, a second operating member 82 and an operating member 83.
  • the first operating member 81 and the second operating member 82 are both disk-shaped and have a front side and a back side, respectively.
  • the front surface of the first operating member 81 is provided with a first fastening structure, and the first fastening structure comprises two cylindrical walls 811 and 813 which are disposed on the same axis, and the two cylindrical walls 811 and 813 are erected in the first
  • the front surface of the operating member 81 has different diameters and is nested inside and outside, so that an annular cylindrical space 812 is formed between the two cylindrical walls 811, 813.
  • the axial height of the cylindrical wall 813 living inside the nesting relationship is relatively small with respect to the axial height of the cylindrical wall 811 outside the nesting relationship.
  • the back surface of the first operating member 81 is provided with a first groove 814 having a circular shape, and the peripheral wall of the first groove 814 is provided with a convex portion 8140 that is engaged with the groove 11 of the mounting structure, and the convex portion 8140 is The shape and the number are matched with the shape and the number of the slots 11 of the cap 1 so that the two are tightly engaged.
  • the front surface of the second operating member 82 is provided with a second fastening structure, and the second fastening structure includes a cylindrical wall 821 which is erected on the front surface of the second operating member 82 and has a diameter just opposite to the first operation.
  • the annular cylindrical space 812 of the member 81 has the same diameter so that the cylindrical wall 821 can be inserted into the annular cylindrical space 812.
  • the back surface of the second operating member 82 is provided with a circular second recess 824, and the peripheral wall of the second recess 824 is provided with serrations 8240 that mesh with the gears 3 of the mounting structure, whereby the second operating member 82 It can be sleeved with the gear 3 by means of meshing.
  • the second operating member 82 and the first operating member 81 are inserted into the annular cylindrical space 812 on the first operating member 81 by the cylindrical wall 821 on the front surface of the second operating member 82 to realize the fastening assembly and assembly.
  • the first operating member 81 and the inner cylindrical wall 813 of the first operating member 81 to the front surface of the second operating member 82 together form an accommodating space (not labeled) for accommodating the
  • the operating member 83 in consideration of the fact that the operating member 83 may be large, accommodates the size of the operating member 83 on the two cylindrical walls 811, 813 of the first operating member 81 and the cylindrical wall 821 of the second operating member 82, respectively or individually.
  • the notches form passages 810, 820 to allow partial passage of the operating member 83.
  • the locking member 5 adapted to the foregoing is a hex nut
  • the operating member 83 is a wrench, and includes an integrally formed operating head 832 and a handle 831 having a shape and the locking member 5.
  • the notch groove 830 whose outer peripheral wall shape is matched can be used to circumferentially control the rotation of the locking member 5 by the engagement of the operating member 83 with the hex nut.
  • An end of the operating member 83 remote from the operating head 832 is further provided with a bayonet 834 for gripping and manipulating the valve.
  • the outer peripheral wall of the first operating member 81 and/or the second operating member 82 is formed in a tooth shape (circumferential wave shape).
  • the first operating member 81 and the second operating member 82 are respectively provided with a through hole 818, 828 for wearing a suspension rope.
  • the first groove 814 on the reverse side of the first operating member 81 (with its convex portion 8140) is engaged with the top periphery of the cap 1 (with its slot 11), and the second operating member 82 is reversed.
  • the second recess 824 (with its serrations 8240) engages the gear 3 (with its teeth 30), then aligns the cap 1 with the base 2, rotates the first operating member 81 forward, and simultaneously fixes or The second operating member 82 is rotated in the reverse direction until the cap 1 is locked with the base 2, that is, the mounting operation of the cap 1 and the base 2 by the loading and unloading tool is realized.
  • the same principle is applied, and the cap 1 and the base 2 can be separated by reverse rotation.
  • the first operating member 81 When assembled with the valve stem 6, the first operating member 81 can still be used to hold the cap 1 for rotation to lock the individual components of the tire tread gauge function toward the bottom of the valve stem 6, while using The final mounting is achieved by the operating head 832 of the operating member 83 catching the locking member 5 and rotating the locking member 5 in the opposite direction.
  • the locking member 5 is first loosened by the operating member 83, and the independent member with the tire pressure gauge function is released by the first operating member 81.
  • the present invention improves the mounting structure of the tire pressure gauge and provides a convenient handling tool for facilitating the installation and disassembly of the tire pressure gauge.

Abstract

一种外置式胎压计及其安装结构，包括提供外螺紋周壁（21）的基座（2）和提供内螺紋周壁（131）的盖帽（1），基座（2）与盖帽（1）相螺锁以提供内部安装空间（10），此外，该安装结构还包括齿轮（3）、垫环（4）及锁紧件（5）；所述齿轮（3）固定于基座（2）底面并沿周向设有轮齿（30）；所述垫环（4）设有通孔（48），该通孔（48）的周壁设有轮齿（40）；所述垫环（4）以其通孔（48）套设所述齿轮（3）外周并与齿轮（3）以彼此的轮齿（30、40）相啮合设置；所述锁紧件（5）贴紧所述垫环（4）和齿轮（3）设置；所述锁紧件（5）、齿轮（3）、基座（2）均设有供与气门嘴阀杆（6）相螺锁的螺孔。同时，还公开相应的装卸工具。该改进的胎压计及其安装结构，以及提供的便利操作的装卸工具，使胎压计的安装和拆卸更为便利。

Description

外置式胎压计及其安装结构和相应的装卸工具 技术领域
本发明汽车轮胎压力侦测设备领域，具体涉及一种外置式胎压计安装结构，自然也涉及采用该种安装结构的外置式胎压计，同时涉及与该种安装结构相应的外置式胎压计装卸工具。
背景技术
外置式胎压计的应用越来越普遍，其原理众所周知，目前，业内针对外置式胎压计所做的改进主要集中在其产品结构上，一方面追求产品尺寸的最小化，另一方面追求安装结构上的稳固性和安全防盗性。
请参阅中国专利局于2012年01月11日公布的CN102310734A号专利申请，其揭示一种外置式胎压传感装置,包括有基座、传感器、用于集成控制电路的电路板、扣式电池,以及包括封装套件,所述基座沿轴向设有与气门嘴相螺锁的螺孔,且基座顶部形成有圆台；该装置包括密封通气件,该密封通气件设有与所述圆台紧密配合的支撑台和于支撑台底部置入所述基座螺孔以顶开气门嘴出气阀的导通部,还设有连通孔;所述传感器固定于所述电路板底面以与控制电路电性连接,传感器底面的感应部位与所述密封通气件的连通孔紧密配合安装；所述扣式电池固定于电路板顶面并与所述控制电路相连接。所述基座底端设有延伸筒，延伸筒的柱壁设有若干径向螺孔，个数对应的若干螺钉分别穿过各螺孔设置以与所述气门嘴的柱壁相锁固。
在前述专利申请中，一方面通过设置密封通气件使胎压计的内部结构更为紧凑，从而减小胎压计的整体尺寸；另一方面通过在基座底端设置延伸筒，借助螺钉穿过延伸筒上的螺孔紧攻气门嘴的柱壁，使胎压计与气门嘴牢固安装。尽管此一方案确实达到了预定目的，但是，实践中发现，紧固在气门嘴上的螺钉尺寸非常小，而且轮毂与基座之间的活动空间也非常狭窄，既不便用手将螺钉对准螺孔，又不便于使用螺丝刀对准螺钉的螺帽，操作该螺钉变得非常不便。而且，一般需要在气门嘴径向上设置二或三个螺钉才能形成相对稳固且平衡的力学结构，用户需要操作多个螺钉对胎压计进行安装或拆卸，其不便可想而知。
另一方面，胎压计尺寸越小，就越不便于其封装套件与其基座之间的手动安装和拆卸，而且，前述专利申请中也未给出便于与拆卸工作相配合的设计，因此，导致该技术方案不完善。
 技术问题
本发明的首要目的在于提供一种结构简单、性能稳固、方便装卸的外置式胎压计安装结构。
本发明的另一目的在于提供一种辅以安装和拆卸前述首要目的所述安装结构的外置式胎压计装卸工具。
本发明的再一目的在于提供一种应用前述首要目的所提供的安装结构的外置式胎压计。
 技术解决方案
为实现本发明的目的，本发明采用如下技术方案：
适应本发明的首要目的，本发明的外置式胎压计安装结构，包括提供外螺纹周壁的基座和提供内螺纹周壁的盖帽，基座与盖帽相螺锁以提供内部安装空间，此外，该安装结构还包括齿轮、垫环及锁紧件；所述齿轮固定于基座底面并沿周向设有轮齿；所述垫环设有通孔，该通孔的周壁设有轮齿；所述垫环以其通孔套设所述齿轮外周并与齿轮以彼此的轮齿相啮合设置；所述锁紧件贴紧所述垫环和齿轮设置；所述锁紧件、齿轮、基座均设有供与气门嘴阀杆相螺锁的螺孔。
较佳的，所述齿轮与所述基座一体成型。所述锁紧件为六角螺母，其中部设置所述与气门嘴阀杆相螺锁的螺孔。
进一步，所述基座在其所提供的外螺纹周壁的螺纹行程终止位置下方设置环形凹槽，该凹槽装设有环形胶圈。
较佳的，所述盖帽被设计成当盖帽与基座锁紧时包围所述垫环的外周。
进一步，环绕所述盖帽的顶部的外周壁设有若干槽位，以供装卸工具进行配合操作。
所述垫环设有凸块，所述盖帽对应该凸块设有供凸块周向活动的缺口，可以借助该凸块手动装卸该垫环。
适应本发明的另一目的，本发明的外置式胎压计装卸工具，用于安装和前述的外置式胎压计安装结构，包括第一操作件和第二操作件，其中：
所述第一操作件与第二操作件均呈盘状，具有正面和背面；
所述第一操作件的正面设有第一扣合结构，背面设有第一凹槽，且第一凹槽的周壁设有与所述安装结构的槽位相扣合的凸部；
所述第二操作件的正面设有第二扣合结构，背面设有第二凹槽，且第二凹槽的周壁设有与所述安装结构的齿轮相啮合的锯齿；
所述第一操作件与第二操作件以彼此的扣合结构相扣合组装，且第一操作件与第二操作件之间形成容置空间用于搁置操纵所述锁紧件的操纵件。
考虑到操纵件的尺寸相对较大，所述操纵件具有手柄和操纵头，操纵头具有一形状与所述锁紧件的外周壁形状相配合的缺口槽，所述第一操作件和/或第二操作件设有供所述手柄穿出的通路。
所述第一操作件和/或第二操作件的外周壁设为齿状以便于手动握持。
具体的，所述第一扣合结构包括内外两个竖立于第一操作件正面的筒状墙，两个筒状墙之间形成环形柱状空间，居内的筒状墙低于居外的筒状墙；所述第二扣合结构包括单独一个用于扣入所述环形柱状空间的竖立于第二操作件正面的筒状墙。
较佳的，所述第一操作件与第二操作件对应各设一用于穿设悬挂绳索的过孔。
适应本发明的再一目的，本发明的外置式胎压计，其包括前述的外置式胎压计安装结构。所述安装结构所提供的安装空间内面置有扣式电池、压力传感器，控制电路以及天线，压力传感器安装在电路板上，并固定在基座上方，所述基座设有贯通其通孔至所述压力传感器的通道，所述电路板居于压力传感器上方，集成有所述控制电路，所述扣式电池置入电路板上方并为控制电路供电，所述天线与控制电路相连接，且基座构成该天线的一部分。
 有益效果
与现有技术相比，本发明具有如下优势：
1、本发明的外置式胎压计安装结构，改变了思维定势，以略为降低胎压计与气门嘴阀杆安装时的紧固程度为代价，转而采用螺锁的方式将胎压计与气门嘴阀杆相组装，在胎压计旋紧与阀杆锁紧的同时，操纵已经装置在阀杆上的锁紧件向胎压计的旋紧方向的反向旋动，使胎压计与气门嘴阀杆相锁紧。因胎压计旋紧时，借助其底部的齿轮带动垫环积聚正向旋转的势能，而与此同时，锁紧件被反向旋转，锁紧件与垫环为紧密贴合关系，因此，在摩擦力的作用下，必然为垫环提供反向旋转的势能，这样，垫环与齿轮紧密啮合并且被一对平衡力作用，可以维持更为紧固的连接关系，在盖帽的柱壁的遮挡下，无法对被盖帽遮盖的垫环和齿轮进行操作，除非借助工具，否则也无法对锁紧件进行操作，于是使外置式胎压计最大程度地起到了防盗的作用。
2、本发明的外置式胎压计安装结构，通过为盖帽设置若干槽位，便于借助本发明的外置式胎压计装卸工具的第一操作件对其进行卡紧，而本发明的外置式胎压计装卸工具进而又提供了第二操作件与该安装结构的齿轮相卡紧，因此，本发明的外置式胎压装卸工具可以通过其两个操作件分别扣持盖帽和基座上的齿轮，相对向或相反向地旋转两个操作件，即可实现盖帽与基座之间的安装或拆卸。由于两个操作件相对于盖帽提供较大的握持面积，因此，安装和拆卸胎压计安装结构变得更为轻便。
3、本发明的外置式胎压计装卸工作，除了实现前述的功能，还设计了使其两个操作件相扣合组装的结构，并且，进一步还提供容置用于操纵胎压计安装结构中的锁紧件的操纵件，因而，进一步为从气门嘴阀杆安装和拆卸胎压计提供操作上的便利。并且，由于操纵件、第一操作件、第二操作件被巧妙地设计成组合式结构，不易丢失，方便存放，更具有设计合理性。
 附图说明
图1为本发明的外置式胎压计的实施例的组装后剖视示意图；
图2为本发明的外置式胎压计的实施例的组装结构分解图；
图3为本发明的外置式胎压计的实施例的组装后效果图；
图4为本发明的外置式胎压计装卸工具的实施例的组装后效果图，其内装置有操纵件；
图5本发明的外置式胎压计装卸工具的实施例的组装结构示意图，其中的第一操作件和第二操作件均以正面相向示出，同时，示出操纵件的细节；
图6为图5所示的本发明的外置式胎压计装卸工具中所配合采用的操纵件与外置式胎压计之间的作用关系示意图；
图7为图5所示本发明的外置式胎压计装卸工具的使用状态示意图，其中第一操作件和第二操作件均以背面相向示出，同时，示出其与外置式胎压计的作用关系；
图8为图7的基础上，第一操作件与第二操作件分别与盖帽和基座底部齿轮相扣合后的效果示意图。
 本发明的最佳实施方式
本发明的实施方式
下面结合附图和实施例对本发明作进一步的说明：
请参阅图1，本发明的外置式胎压计，装设在车辆的轮胎的气门嘴阀杆6上，通过一顶杆71顶开气门嘴阀杆6上的阀门，使轮胎内部的压力传导给胎压计内部的压力传感器72，使传感器72能够测量当前的轮胎内部压力，并通过相应的控制电路（未图示）和天线75将表征该压力的信号向空中发射，以便被车内的监控单元（未图示）接收处理，从而完成汽车胎压的侦测。
参阅图1，本发明的外置式胎压计，提供一具有内部安装空间10的安装结构、一压力传感器72、一电路板73，一控制电路（未图示，下同）、一天线75以及一扣式电池74。
所述压力传感器72装设在所述安装空间10底部，安装结构设计有供轮胎内部压力传导至压力传感器72的通道。压力传感器72在其顶部与所述电路板73相连接，电路板73也就置于压力传感器72上方，电路板73上集成有控制电路，用于控制压力传感器72进行压力侦测，并生成表征所测压力的信号经所述天线75向外部空间辐射。所述电路板73用螺钉75固定在所述安装结构的基座2上，该基座2为金属件，借助电路板73表面的布线与该螺钉75电性连接，而该螺钉75又与基座2相连接，进一步基座2还与气门嘴阀杆6相连接，从而，构成一个天线75，而基座2则成为该天线75的一部分。所述扣式电池74安装在所述电路板73顶部，为所述压力传感器72、控制电路、天线75供电。
请结合图1至图3，本发明的外置式胎压计安装结构具体包括盖帽1、基座2、齿轮3、垫环4以及锁紧件5。
所述的盖帽1，大致呈倒扣的桶状，具有一圆形盘顶12和于盘顶12周缘向下延伸的柱壁13。盖帽1的顶部的外周，接近柱壁13与盘顶12过渡处，环绕该外周设置有若干内凹的槽位11，这些槽位11沿周向均匀设置，通过扣持该些槽位11可以沿周向带动盖帽1旋转。在盖帽1的柱壁13内侧设有内螺纹，形成一内螺纹周壁131，以便与基座2上的外螺纹周壁21相配合螺锁。
所述的基座2与所述齿轮3为一体化设计，大致为柱状结构，其顶部设置有供置入所述压力传感器72的槽位（未标号），且其对应所述盖帽1的内螺纹周壁131也提供有一外螺纹周壁21，借助该外螺纹周壁21与盖帽1的内螺纹周壁131进行螺纹连接锁紧，实现基座2与盖帽1的连接。由此，盖帽1与基座2内部便形成所述安装空间10供装设所述传感器72、控制电路、电路板73、扣式电池74以及天线75等部件。在基座2的外螺纹螺锁行程的末端下方，设置一环形凹槽（未标号，下同），在该环形凹槽上，置入一环形胶圈76。由此，盖帽1与基座2相螺锁时，借助环形胶圈76夹设在两者之间使两者锁得更牢固，而且环形胶圈76也进一步增强了所述内部安装空间10的气密性。
所述一体成型的基座2与齿轮3之间，沿轴向设置一螺孔（未标号，下同），穿过所述齿轮3，进入所述基座2。因此，当齿轮3与基座2非一体成型时，如两者焊固或锁固时，即可以直接看成齿轮3、基座2分别设置所述螺孔。该螺孔的尽头处为基座2用于为顶杆71、传感器72等提供安装平台的部件，该通孔贯通基座2自身作为气压作用于所述压力传感器72的通道。胎压计在以所述设置在齿轮3和基座2上的螺孔与气门嘴阀杆6螺锁后，所述压力传感器72以置入该通道中的一前端顶杆71顶开气门嘴阀门，使轮胎压力作用在所述顶杆71而传导给压力传感器72进行压力侦测。
所述的齿轮3，其位于所述基座2所形成的平滑底面处，为一沿周缘设有轮齿30的圆形片状件，齿轮3由于与基座2一体成型，齿轮3的螺孔与基座2的螺孔为同一螺孔（未标号）。
所述的垫环4，为带有轴向设置的通孔48的环形片状件，其通孔48的周壁上设置有与所述齿轮3的轮齿30相配合的轮齿40。所述垫环4同样位于所述基座2底面设置，其通孔48套住齿轮3，借助双方轮齿30、40进行啮合，同时，盖帽1的柱壁13在轴向长度上被设计成在盖帽1与基座2锁紧时刚好包围所述垫环4的外周。为了便于手动拆卸该垫环4，在盖帽1的柱壁13上设置一缺口130，在垫环4外周设置一凸块41，该凸块41的周向宽度小于该缺口130的周向宽度，以适度允许垫环4在周向上的微调，除便于手执凸块41进行装卸外，还可以起到允许微调垫环4与齿轮3之间啮合紧密程度的作用。
所述锁紧件5，优选一六角螺母，其中部设置的通孔50用于与气门嘴阀杆6相螺锁。通过其在所述阀杆6上的螺锁位置的调节，可以使其一端面紧贴安装在阀杆6上的所述基座2底部的齿轮3和垫环4。
本发明的外置式胎压计在组装时，首先在基座2上装设好压力传感器72、电路板73、控制电路、天线75、扣式电池74等内部部件，然后，在基座2的环形凹槽上置入环形胶圈76，再将盖帽1与基座2相螺锁。由此即构成一具有胎压计功能的独立部件，而垫环4、锁紧件5等则可在胎压计与气门嘴阀杆6组装时配合使用。
本发明的外置式胎压计在与气门嘴阀杆6相组装时，先将所述锁紧件5与阀杆6相螺锁，旋至阀杆6底部处。然后，将垫环4与齿轮3相套设啮合，注意对准垫环4的凸块41与盖帽1的缺口（若有此设置时），将所述具有胎压计功能的独立部件的通孔套入气门嘴阀杆6。最后，双向地，沿所述气门嘴阀杆6，一边朝锁紧件5方向正向旋紧所述具有胎压计功能的独立部件，一边朝该独立部件的方向反向旋紧所述锁紧件5，使该独立部件既与气门嘴阀杆6相锁固，同时，垫环4在正反两个方向的力的作用下，也紧紧地与齿轮3相啮合。从而实现外置式胎压计与气门嘴阀杆6的稳固连接。
为了使本发明的外置式胎压计及其安装结构实现稳固安装，也为了必要时对其进行拆卸，本发明如下将揭示一种外置式胎压计装卸工具。
请结合图4至图8，本发明的外置式胎压计装卸工具，包括第一操作件81、第二操作件82以及一操纵件83。所述第一操作件81与第二操作件82均呈盘状，分别具有正面和背面。
所述第一操作件81的正面设有第一扣合结构，该第一扣合结构包括两个采用同一轴线设置的筒状墙811、813，两个筒状墙811、813竖立在第一操作件81的正面上，具有不同的直径，呈内、外嵌套设置，因而在两个筒状墙811、813之间形成环形的柱状空间812。居于嵌套关系内部的筒状墙813的轴向高度相对于居于嵌套关系外部的筒状墙811的轴向高度偏小。第一操作件81的背面设有呈圆形的第一凹槽814，且第一凹槽814的周壁设有与所述安装结构的槽位11相扣合的凸部8140，凸部8140的形状、个数均与所述盖帽1的槽位11的形状、个数相配合，以便两者紧密扣合。
所述第二操作件82的正面设有第二扣合结构，该第二扣合结构包括一筒状墙821，竖立设置于第二操作件82的正面，其直径刚好与所述第一操作件81的环形柱状空间812的直径相同，以便该筒状墙821能插入所述环形柱状空间812中。第二操作件82的背面设有圆形的第二凹槽824，且第二凹槽824的周壁设有与所述安装结构的齿轮3相啮合的锯齿8240，由此，第二操作件82可以借助啮合关系与齿轮3相套设。
所述第二操作件82与第一操作件81以所述第二操作件82正面上的筒状墙821插置入所述第一操作件81上的环形柱状空间812实现扣合组装，组装后，由第一操作件81与第一操作件81的内部筒状墙813至第二操作件82正面表面之间共同构成一容置空间（未标号），该容置空间用于收纳所述操纵件83，考虑到操纵件83可能较大，在第一操作件81的两个筒状墙811、813和第二操作件82的筒状墙821上适应操纵件83的大小分别或单独设置缺口，形成通路810、820，以容许操纵件83局部穿出。
具体的，适应本发明前述的锁紧件5为六角螺母，所述操纵件83为一扳手，包括一体成型的操纵头832和手柄831，操纵头832具有一形状与所述锁紧件5的外周壁形状相配合的缺口槽830，使用时，利用操纵件83卡住六角螺母即可周向控制锁紧件5的旋转。操纵件83的远离该操纵头832的一端，进一步设置一卡口834，以便夹持操纵气门嘴。
为便于握持所述第一操作件81和第二操作件82，将所述第一操作件81和/或第二操作件82的外周壁设为齿状（周向波浪状）。
而为了便于收藏本发明的装卸工具，所述第一操作件81与第二操作件82对应各设一用于穿设悬挂绳索的过孔818、828。
对应于本发明的安装结构，如下说明使用装卸工具操作本发明的外置式胎压计的过程：
安装时，将第一操作件81反面上的第一凹槽814（利用其凸部8140）与所述盖帽1顶部周缘（利用其槽位11）相卡合，将第二操作件82反面上的第二凹槽824（利用其锯齿8240）与所述齿轮3（利用其轮齿30）相啮合，然后，对准盖帽1与基座2，正向旋转第一操作件81，同时固定或反向旋转第二操作件82，直到盖帽1与基座2相锁紧，即实现利用装卸工具对盖帽1和基座2的安装操作。需要拆卸盖帽1与基座2时，则采用相同原理，反向旋转分离盖帽1和基座2即可。
在与气门嘴阀杆6相组装时，仍可使用第一操作件81扣持盖帽1进行旋转以使整个带胎压计功能的独立部件朝阀杆6底部锁紧，与此同时，使用所述操纵件83的操纵头832卡住所述锁紧件5并反向旋转锁紧件5，即可实现最终的安装。需要拆卸时，则采用相同原理，先用操纵件83松开所述锁紧件5，再用第一操作件81松开所述带胎压计功能的独立部件即可。
综上所述，本发明改进了胎压计的安装结构，并提供了便利操作的装卸工具，使胎压计的安装和拆卸更为便利。
概而言之，以上实施例仅用以说明本发明而并非限制本发明所描述的技术方案；因此，尽管本说明书参照上述的各个实施例对本发明已进行了详细的说明，但是，本领域的普通技术人员应当理解，仍然可以对本发明进行修改或者等同替换；而一切不脱离本发明的精神和范围的技术方案及其改进，其均应涵盖在本发明的权利要求范围当中。
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Claims (14)

  1. 一种外置式胎压计安装结构，包括提供外螺纹周壁的基座和提供内螺纹周壁的盖帽，基座与盖帽相螺锁以提供内部安装空间，其特征在于：该安装结构还包括齿轮、垫环及锁紧件；所述齿轮固定于基座底面并沿周向设有轮齿；所述垫环设有通孔，该通孔的周壁设有轮齿；所述垫环以其通孔套设所述齿轮外周与齿轮并以彼此的轮齿相啮合设置；所述锁紧件贴紧所述垫环和齿轮设置；所述锁紧件、齿轮、基座均设有供与气门嘴阀杆相螺锁的螺孔。
  2. 根据权利要求1所述的外置式胎压计安装结构，其特征在于，所述齿轮与所述基座一体成型。
  3. 根据权利要求1所述的外置式胎压计安装结构，其特征在于，所述锁紧件为六角螺母，其中部设置所述与气门嘴阀杆相螺锁的螺孔。
  4. 根据权利要求1所述的外置式胎压计安装结构，其特征在于，所述基座在其所提供的外螺纹周壁的螺纹行程终止位置下方设置环形凹槽，该凹槽装设有环形胶圈。
  5. 根据权利要求1至4中任意一项所述的外置式胎压计安装结构，其特征在于，所述盖帽被设计成当盖帽与基座锁紧时包围所述垫环的外周。
  6. 根据权利要求1至4中任意一项所述的外置式胎压计安装结构，其特征在于，环绕所述盖帽的顶部的外周壁设有若干槽位。
  7. 根据权利要求1至4中任意一项所述的外置式胎压计安装结构，其特征在于，所述垫环设有凸块，所述盖帽对应该凸块设有供凸块周向活动的缺口。
  8. 一种外置式胎压计装卸工具，用于安装和拆卸如权利要求6所述的外置式胎压计安装结构，包括第一操作件和第二操作件，其特征在于：
    所述第一操作件与第二操作件均呈盘状，具有正面和背面；
    所述第一操作件的正面设有第一扣合结构，背面设有第一凹槽，且第一凹槽的周壁设有与所述安装结构的槽位相扣合的凸部；
    所述第二操作件的正面设有第二扣合结构，背面设有第二凹槽，且第二凹槽的周壁设有与所述安装结构的齿轮相啮合的锯齿；
    所述第一操作件与第二操作件以彼此的扣合结构相扣合组装，且第一操作件与第二操作件之间形成容置空间用于搁置操纵所述锁紧件的操纵件。
  9. 根据权利要求8所述的外置式胎压计装卸工具，其特征在于，所述操纵件具有手柄和操纵头，操纵头具有一形状与所述锁紧件的外周壁形状相配合的缺口槽，所述第一操作件和/或第二操作件设有供所述手柄穿出的通路。
  10. 根据权利要求8或9所述的外置式胎压计装卸工具，其特征在于，所述第一操作件和/或第二操作件的外周壁设为齿状。
  11. 根据权利要求8或9所述的外置式胎压计装卸工具，其特征在于，所述第一扣合结构包括内外两个竖立于第一操作件正面的筒状墙，两个筒状墙之间形成环形柱状空间，居内的筒状墙低于居外的筒状墙；所述第二扣合结构包括单独一个用于扣入所述环形柱状空间的竖立于第二操作件正面的筒状墙。
  12. 根据权利要求8或9所述的外置式胎压计装卸工作，其特征在于，所述第一操作件与第二操作件对应各设一用于穿设悬挂绳索的过孔。
  13. 一种外置式胎压计，其特征在于，其包括如权利要求1至7中任意一项所述的外置式胎压计安装结构。
  14. 根据权利要求13所述的外置式胎压计，其特征在于，所述安装结构所提供的安装空间内面置有扣式电池、压力传感器，控制电路以及天线，压力传感器安装在电路板上，并固定在基座上方，所述基座设有贯通其通孔至所述压力传感器的通道，所述电路板居于压力传感器上方，集成有所述控制电路，所述扣式电池置入电路板上方并为控制电路供电，所述天线与控制电路相连接，且基座构成该天线的一部分。
PCT/CN2012/077529 2012-04-18 2012-06-26 外置式胎压计及其安装结构和相应的装卸工具 WO2013155791A1 (zh)

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