• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to an electronic unit for measuring operating parameters of a vehicle wheel, comprising: an electronic box (1); An inflation valve (2); and • fastening elements (7; 8; 9; 10; 11) of the electronic box and the inflation valve; this electronic unit being characterized in that the fastening elements of the electronic box and the inflation valve comprise: an insert (7) provided with an axial bore (7a) and pivotally mounted in the extension of the body (3) of the inflation valve; • a sleeve (8) integral with the electronic housing, adapted to be slidably mounted around the insert, • an assembly means (9) of the sleeve of the electronic housing and the valve body insert; Spring resilient means (10, 11).
    公开号:FR3058360A1
    申请号:FR1660706
    申请日:2016-11-04
    公开日:2018-05-11
    发明作者:Jeremy Mieyan
    申请人:Continental Automotive GmbH；Continental Automotive France SAS；
    IPC主号:
    专利说明:

    Holder (s): CONTINENTAL AUTOMOTIVE FRANCE Simplified joint-stock company, CONTINENTAL AUTOMOTIVE GMBH.
    Extension request (s)
    Agent (s): CONTINENTAL AUTOMOTIVE FRANCE Simplified joint-stock company.
    VXJ ELECTRONIC UNIT FOR MEASURING OPERATING PARAMETERS OF A VEHICLE WHEEL.
    FR 3 058 360 - A1
    The subject of the present invention is an electronic unit for measuring operating parameters of a vehicle wheel, comprising:
    an electronic unit (1); an inflation valve (2); and fastening elements (7; 8; 9; 10, 11) of the electronic unit and the inflation valve;
    this electronic unit being characterized in that the elements for securing the electronic box and the inflation valve comprise:
    an insert (7) provided with an axial bore (7a) and pivotally mounted in the extension of the body (3) of the inflation valve;
    a sleeve (8) integral with the electronic unit, adapted to be slidably mounted around the insert, a means of assembly (9) of the sleeve of the electronic unit and the insert of the valve body;
    elastic means with a spring effect (10, 11).
    The present invention relates to an electronic unit for measuring the operating parameters of a vehicle wheel, comprising an electronic unit and an inflation valve for securing said electronic unit to a wheel rim.
    More and more motor vehicles have monitoring and / or parameter measurement systems comprising sensors mounted on said vehicle.
    By way of example concerning such systems, there may be cited the monitoring systems comprising electronic boxes mounted on each of the vehicle wheels, dedicated to the measurement of parameters, such as pressure and / or temperature of the tires fitted to these wheels, and intended to inform the driver of any abnormal variation of the measured parameter.
    One of the current solutions most commonly used to secure the electronic boxes on the rims of the wheels consists in producing electronic units each composed of an electronic box and an inflation valve assembled with the said electronic box, for securing the latter on a wheel rim.
    In addition, each electronic unit then conventionally comprises an external "eyelet", and each inflation valve comprises a body intended to extend through the eyelet and an orifice formed in the rim, and an assembly head separated from the body by a shoulder constituting a blocking face of the eyelet and of the said inflation valve against the said rim.
    Such a design makes it possible to obtain a tightening torque capable of ensuring correct maintenance of the electronic units despite the significant constraints (centrifugal force, vibrations, accelerations, etc.) to which they are subjected.
    However, during mounting and dismounting operations on the tire on the rim of the vehicle wheel, the tire passes over the electronic unit and the rigid connection between the valve and the electronic unit breaks under the stresses exerted by said tire. .
    In this way, it is necessary to be able to press the electronic unit on the rim tape so as to create a contact between said unit and said rim making it possible to withstand the forces exerted by the tire during assembly and disassembly operations of the latter. on the rims and, therefore, avoid breaking the electronic unit at the rigid connection between the electronic unit and the valve.
    To ensure this contact between the electronic unit and the rim tape, electronic units have been proposed comprising an electronic unit and a valve configured so as to be able to adapt the angular orientation between the electronic unit and the valve in order to be able to press said electronic unit on the rim tape, regardless of the profile and dimensions of said rim, before fixing the electronic unit to the rim.
    Generally, to achieve this orientable angular connection, the electronic unit and the valve of the electronic unit comprise connection elements of complementary shapes so as to generate a pivot connection. The valve is then inserted into the valve hole provided in the rim, then the electronic unit is rotated around the pivot link. The angular orientation obtained to make contact between the electronic unit and the rim tape is finally locked by friction when tightening a nut, allowing the electronic unit to be rigidly fixed on the rim.
    For example, the document FR 2 907 048 describes an electronic unit for measuring the operating parameters of a vehicle wheel, comprising an electronic unit and an inflation valve for securing said electronic unit to a wheel rim, comprising a body intended to extend through an orifice formed in the rim, and an assembly head separated from the body by a shoulder constituting a blocking face of said inflation valve against said rim. The electronic unit has an outer wall defining a lateral housing for the assembly head of the inflation valve, delimited by a metal plate in one piece with the said electronic unit, for supporting the blocking face of the said unit. assembly head, and provided with a notch for the passage of the body of said inflation valve.
    The metal plate and the blocking face of the assembly head have cylindrical contact faces, allowing an adjustment of the inclination of the electronic unit relative to the longitudinal axis of the inflation valve, before blocking of the latter against the rim. Such an articulation makes it possible to adjust the position of the electronic boxes as a function of the profiles of the rims, with a view in particular to keeping said electronic boxes in contact with the bottom of the rim and thus limiting the stresses suffered.
    However, this solution has several drawbacks.
    Indeed, during the mounting of the electronic unit on the rim, the operator must therefore orient the electronic unit relative to the valve until obtaining contact between the unit and the rim tape, and maintain said unit in contact with the rim during tightening of the nut, which is a complex manipulation which does not guarantee the desired contact.
    In addition, this solution is expensive because, in addition to the high price of inflation valves, generally entirely metallic, it requires the production of additional parts (nuts, seals ...) specially designed to guarantee this angularly adaptable connection. .
    The object of the present invention is to propose an electronic unit for measuring the operating parameters of a vehicle wheel, comprising an electronic module box and an inflation valve, aiming to overcome these drawbacks and having the main objective of providing a electronic unit capable of withstanding significant constraints, in particular during mounting and dismounting operations on a tire on the rim of the vehicle wheel.
    According to the invention, this object is achieved thanks to an electronic unit for measuring the operating parameters of a vehicle wheel, comprising:
    • an electronic unit configured to receive the electronic management of the electronic measurement unit;
    • an inflation valve configured to allow the attachment of said electronic measurement unit to a wheel rim of a vehicle; and • elements for securing the electronic unit and the inflation valve; this electronic unit being remarkable in that the elements for securing the electronic unit and the inflation valve comprise:
    • an insert provided with an axial bore and lateral holes, pivotally mounted in the extension of the body of the inflation valve;
    • a sleeve integral with the electronic unit, adapted to be slidably mounted around the insert, • a means of assembling the sleeve of the electronic unit and the insert of the valve body;
    • an elastic element with a spring effect.
    According to the invention, the elastic spring effect means is configured to:
    • ensure a predetermined angular orientation between the electronic unit and the inflation valve when said elastic means is at rest:
    • allow relative angular movement between said electronic unit and said inflation valve when a stress force is applied to said electronic unit;
    • ensuring a return to the predetermined angular orientation between said electronic unit and said inflation valve when no stress force is applied to said electronic unit.
    The electronic unit according to the invention provides several interesting advantages. In particular, • the elastic means of the means for securing the electronic unit and the inflation valve allow automatic contact of said electronic unit against the rim tape, without human intervention, when the electronic unit is mounted on the rim;
    • it adapts to all dimensional shapes and characteristics of rims.
    According to an exemplary embodiment, the inflation valve is an inflation valve of the “snap-in” type, comprising:
    • a valve body made of an elastomeric material, provided with a longitudinal axial bore and intended to extend through an orifice formed in the rim, the said valve body being composed of an elastically deformable trunk and an abutment head against the rim, separated from the trunk by a collar adapted to position itself in a leaktight manner in the orifice formed in the said rim, • and a hollow tubular core made of a rigid material, housing a shutter and dimensions adapted to be housed in the bore of the valve body and extend on either side in the extension of said valve body, said tubular core consisting of two longitudinal sections arranged one relative to the other and relative to the valve body, so as to allow an elastic deformation of the trunk capable of allowing the mounting of the inflation valve through the orifice of the rim,
    According to another exemplary embodiment, the inflation valve is an inflation valve of the “clamp-in” type, comprising:
    • a valve body made of a metallic material, provided with a longitudinal axial bore and intended to extend through an orifice formed in the rim, said valve body comprising a stop head against the rim, separated from the trunk by a seal enabling the valve body to be positioned in a leaktight manner in the orifice formed in said rim, and a tightening nut allowing the inflation valve to be fixed in the orifice formed in said rim .
    The electronic unit according to the invention has the advantageous advantage, by means of its particular connection between the electronic unit and the inflation valve, of being adaptable both to rigid “clamp-in” type valves and to flexible snap-in valves.
    According to an advantageous embodiment, the elastic spring effect means is constituted by a spring.
    According to an advantageous embodiment, the spring is fixed, on the one hand, to the front face of the abutment head of the inflation valve disposed opposite the electronic unit and, on the other hand, to the pivoting insert.
    According to a preferred embodiment, the spring acts in compression.
    According to another exemplary embodiment, the spring acts in tension.
    According to a preferred and advantageous embodiment, the elastic means with a spring effect consists of an elastomer ring.
    According to an advantageous embodiment, the elastomer ring is constituted by an overmolding of the pivoting insert.
    According to an advantageous embodiment, the means of assembling the sleeve of the electronic unit and the insert of the valve body consists of a screw.
    This characteristic provides a rigid connection between the electronic unit and the inflation valve.
    Other objects, characteristics and advantages of the present invention will emerge from the description which follows by way of nonlimiting example with reference to the appended drawings in which:
    - Figure 1 is a view a schematic view of a first embodiment of the invention.
    - Figure 2 is a schematic view showing a view of the mind illustrating the interference mounting of the first embodiment of the electronic unit according to the invention mounted on a wheel rim.
    - Figure 3 is a schematic view of the electronic unit according to the first embodiment mounted on a wheel rim.
    - Figure 4 is a schematic view of a second embodiment of the electronic unit according to the invention.
    In the present description, the terms “distal” and “proximal” are used with reference to the positioning of the constituent elements of the electronic unit according to the invention, when the latter is mounted on the rim of a wheel of a vehicle, the term “proximal” designating the elements closest to the tire, the term “distal” therefore being furthest from the tire.
    The present invention relates to an electronic unit for measuring the operating parameters of a vehicle wheel.
    In a manner known per se, this electronic unit consists of an electronic unit 1 adapted to be mounted inside the casing of a tire, and an inflation valve 2, for securing the latter on the rim J of the wheel fitted with this tire.
    Firstly, the inflation valve 2 comprises a valve body 3 pierced axially with a cylindrical longitudinal bore 3a.
    Conventionally, this valve body 3 is further subdivided longitudinally into a trunk 4 having, at its proximal end, an abutment head 5 delimited by a front face 5a and a rear abutment face 5b. This rear face 5b, intended to be brought into contact with the rim J during the passage of the valve body 3 through a rim hole provided for this purpose, may have an annular groove capable of receiving a seal 6.
    The distal end of the valve stem 4 is provided with a thread intended for screwing a protective cap, in the extension of said stem 4 of the valve body 3.
    The electronic unit 1 of the electronic unit consists, for its part, of a hollow housing intended to house "the electronics" for managing the electronic unit according to the invention. The electronic unit 1 is for example produced by molding a plastic material.
    So-called joining elements make it possible to link said electronic unit 1 and said inflation valve 2. These joining elements comprise:
    • an insert 7;
    • a sleeve 8;
    • an assembly means 9 for the sleeve 4 and the insert 3;
    • an elastic means 10,11 with spring effect.
    The insert 7, for example metallic, is mounted at the proximal end of the inflation valve 2, on the front face 5a of the stop head 5. The connection between the insert 7 and the inflation valve 2 is a ball joint connection type, allowing a relative angular movement between the insert 7 and the inflation valve 2. This insert 7 is provided with an axial bore 7a disposed in the extension of the bore 3a of the valve body 3 and d lateral openings 7b thus allowing the flow of inflation air to pass inside the tire.
    The sleeve 8 is integral with the electronic unit 1 and is adapted to be slidably mounted around the insert 7. The sleeve 8 can also be an integral part of the electronic unit 1.
    The assembly means 9 of the sleeve 8 of the electronic unit 1 and the insert 7 is for example constituted by a screw. In this way, the electronic unit 1, by means of its sleeve 8, and the inflation valve 2, by means of the insert 7, are joined together.
    According to a first embodiment illustrated in FIGS. 1 to 3, the elastic means with a spring effect consists of a spring 10. This spring is fixed, on the one hand, to the front face 5a of the stop head 5 of the valve. inflation 2 intended to be arranged opposite the electronic unit 1 and, on the other hand, to the pivoting insert 7. These fasteners of the spring 10 are produced by any means known per se. This spring 10 can act either in compression or in traction.
    In the embodiment illustrated in Figure 4, the elastic spring effect means is constituted by an elastomer ring 11 fixed to the inflation valve 2 by any means known per se. According to a first embodiment, the spring effect part thus formed is for example produced by overmolding rubber of the insert 7 by the ring 11 directly on the front face 5a of the stop head 5 of the inflation valve 2. According to another embodiment, the overmolding of the insert 7 by the ring 11 is carried out during a separate step before being fixed on the front face 5a of the stop head 5 of the inflation valve 2, by example by collage.
    The torque 7-10 or 7-11 produced by the insert 7 and the elastic spring effect means 10 or 11 provides a predetermined angular orientation between the electronic unit 1 (in particular its longitudinal axis AA determined by the sleeve 8 secured to the 'insert 7 via screw 9) and the inflation valve 2 (in particular the axis BB of its valve body 3) at the ball joint connection between the pivoting insert 7 and the stop head 5, when said elastic means spring effect 10,11 is in the rest position.
    This predetermined angular orientation is such that the electronic unit 1 is in interference. As shown by the view of the mind illustrated in FIG. 2, this means that when the elastic spring-effect means 10, 11 is at rest, the angular orientation between the electronic unit 1 and the inflation valve 2 is such that , during the mounting of the electronic unit according to the invention on a rim J, the elastic spring effect means 10, 11 of the means for securing the electronic unit 1 and the inflation valve 2 always allows automatic contact of said electronic unit 1 against the rim tape J, without human intervention, the elastic spring effect means 10, 11 then being always subjected to a stress force deforming it relative to its position at rest.
    The elastic spring effect means 10, 11 allows relative freedom of pivoting between the electronic unit 1 and the inflation valve 2 such that the electronic measurement unit according to the invention adapts to all shapes and dimensional characteristics of rims.
    When a stress force is applied to the electronic unit according to the invention, a relative angular movement results between the electronic box 1 and the inflation valve 2 at the pivot connection between the insert 7 and the stop head 5. The spring effect of the elastic spring effect means 10, 11 then ensures a return to the predetermined angular orientation between said electronic unit 1 and said inflation valve 2 when no stress force is applied to the electronic unit according to the invention.
    Thus, when the vehicle, the electronic unit 1, subjected to the action of centrifugal force, can be lifted so as to no longer be in contact with the rim tape J. Thus, when the vehicle stops, the means elastic with spring effect 7-10 or 7-11 allows the electronic unit 1 to be brought into abutment against the rim strip J. In this way, during tire mounting or dismounting operations (operations during which the vehicle is obviously at when stopped), there is no risk of tearing off the electronic unit 1 of the electronic measurement unit according to the invention, the latter being properly pressed against the rim tape J.
    With a view to mounting the electronic unit on a rim J, the annular seal 6 is positioned around the trunk 4 of the valve body 3 against the rear face 5b of the stop head 5, so as to be compressed between the rim J and the stop head 5 after fitting of said valve body 3 in a bore conventionally formed in said rim. This annular seal can be contained (at least partially) in a groove (not shown) formed in the rear face 5b of the stop head 5.
    The spring-effect part thus makes it possible to automatically adjust the inclination of the electronic unit 1 as a function of the angle defined by the profile of the rim J, in order to keep said electronic unit pressed against the bottom of the rim J, and thus limiting the stresses suffered during the mounting or dismounting of a tire on said rim.
    Finally, the electronic unit is locked on the rim J by means of a nut 12 (metallic) screwed onto a threaded portion (not shown) of the valve body 3.
    In the foregoing description, the inflation valve 2 described and illustrated is an inflation valve of the "clamp-in" type, comprising:
    • the valve body 3 is made of a metallic material, provided with a longitudinal axial bore 3a and intended to extend through an orifice formed in the rim J, said valve body 3 comprising a stop head 5 against the rim J, separated from the trunk 4 by a seal 6 enabling the valve body 3 to be positioned in leaktight manner in the orifice provided in the said rim J, • and a tightening nut 12 allowing the fixing of the inflation valve 2 in the orifice provided in the said rim J.
    However, the electronic unit according to the invention provides the advantageous advantage of being able to be adaptable to any type of inflation valve. In this way, according to an exemplary embodiment not illustrated, the inflation valve 2 is an inflation valve of the “snap-in” type.
    Conventionally, a “snap-in” valve includes:
    • a valve body made of an elastomeric material, provided with a longitudinal axial bore and intended to extend through an orifice formed in the rim, the said valve body being composed of an elastically deformable trunk and an abutment head against the rim, separated from the trunk by a collar adapted to position itself in a leaktight manner in the orifice formed in the said rim, • and a hollow tubular core made of a rigid material, housing a shutter and dimensions adapted to be housed in the bore of the valve body and extend on either side in the extension of said valve body, said tubular core consisting of two longitudinal sections arranged one relative to the other and relative to the valve body, so as to allow an elastic deformation of the trunk capable of allowing the mounting of the inflation valve through the orifice of the rim, thus not requiring any nut like valve "clamp-in".
    权利要求:
    Claims (11)
    [1" id="c-fr-0001]
    1. Electronic unit for measuring operating parameters of a vehicle wheel, comprising:
    • an electronic unit (1) configured to receive the electronic management of the electronic measurement unit;
    • an inflation valve (2) configured to allow the attachment of said electronic measurement unit to a rim (J) of a vehicle wheel; and • fastening elements (7; 8; 9; 10,11) of the electronic unit (1) and the inflation valve (2);
    this electronic unit being characterized in that the elements for securing the electronic box (1) and the inflation valve (2) comprise:
    • an insert (7) provided with an axial bore (7a) and lateral orifices (7b) and pivotally mounted in the extension of the body (3) of the inflation valve (2);
    • a sleeve (8) integral with the electronic unit (1), adapted to be slidably mounted around the insert (7), • a means of assembly (9) of the sleeve (8) of the electronic unit (1) and of the insert (7) of the valve body (3);
    • an elastic means with a spring effect (10,11).
    [2" id="c-fr-0002]
    2. Electronic unit according to claim 1, characterized in that the elastic spring effect means (10,11) is configured for:
    - ensure a predetermined angular orientation between the electronic unit (1) and the inflation valve (2) when said elastic means is at rest:
    - allow relative angular movement between said electronic unit (1) and said inflation valve (2) when a stress force is applied to said electronic unit;
    - ensuring a return to the predetermined angular orientation between said electronic unit (1) and said inflation valve (2) when no stress force is applied to said electronic unit.
    [3" id="c-fr-0003]
    3. Electronic unit according to one of claims 1 or 2, characterized in that the inflation valve (2) is an inflation valve of the "snap-in" type, comprising:
    • a valve body made of an elastomeric material, provided with a longitudinal axial bore and intended to extend through an orifice formed in the rim, the said valve body being composed of an elastically deformable trunk and an abutment head against the rim, separated from the trunk by a collar adapted to position itself in a sealed manner in the orifice provided in the said rim, • and a hollow tubular core made of a rigid material, housing a shutter and dimensions adapted to fit into the bore of the valve body and extend on either side in the extension of said valve body, said tubular core being made up of two longitudinal sections arranged one relative to the other and relative to the valve body, so as to allow an elastic deformation of the trunk capable of allowing the mounting of the inflation valve through the orifice of the rim,
    [4" id="c-fr-0004]
    4. Electronic unit according to one of claims 1 or 2, characterized in that the inflation valve (2) is an inflation valve of the "clamp-in" type, comprising:
    • a valve body (3) made of a metallic material, provided with a longitudinal axial bore (3a) and intended to extend through an orifice formed in the rim (J), said valve body comprising a head abutment (5) against the rim, separated from the trunk by a seal (6) enabling the valve body (3) to be positioned in a leaktight manner in the orifice formed in said rim (J), • and a tightening nut (12) allowing the inflation valve (2) to be fixed in the orifice provided in said rim.
    [5" id="c-fr-0005]
    5. Electronic unit according to one of claims 1 to 4, characterized in that the elastic spring effect means is constituted by a spring (10).
    [6" id="c-fr-0006]
    6. Electronic unit according to claim 5, characterized in that the spring (10) is fixed, on the one hand, to the front face (5a) of the stop head (5) of the inflation valve (2) disposed next to the electronic unit (1) and, on the other hand, to the pivoting insert (7).
    [7" id="c-fr-0007]
    7. Electronic unit according to one of claims 5 or 6, characterized in that the spring (10) acts in compression.
    [8" id="c-fr-0008]
    8. Electronic unit according to one of claims 5 or 6, characterized in that the spring (10) acts in traction.
    [9" id="c-fr-0009]
    9. Electronic unit according to one of claims 1 to 4, characterized in that the elastic spring effect means is constituted by an elastomer ring (11).
    [10" id="c-fr-0010]
    10. Electronic unit according to claim 9, characterized in that the elastomer ring (11) is constituted by an overmolding of the pivoting insert (7).
    [11" id="c-fr-0011]
    11. Electronic unit according to one of claims 1 to 10, characterized in that the assembly means (9) of the sleeve (8) of the electronic unit (1) and of the insert (7) of the valve body ( 3) consists of a screw.
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    同族专利:
    公开号 | 公开日
    CN109906155A|2019-06-18|
    US10549586B1|2020-02-04|
    US20200039302A1|2020-02-06|
    WO2018083424A1|2018-05-11|
    CN109906155B|2021-03-23|
    FR3058360B1|2019-06-28|
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    法律状态:
    2017-11-21| PLFP| Fee payment|Year of fee payment: 2 |
    2018-05-11| PLSC| Publication of the preliminary search report|Effective date: 20180511 |
    2019-11-20| PLFP| Fee payment|Year of fee payment: 4 |
    2020-11-20| PLFP| Fee payment|Year of fee payment: 5 |
    2021-11-22| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1660706A|FR3058360B1|2016-11-04|2016-11-04|ELECTRONIC UNIT FOR MEASURING OPERATING PARAMETERS OF A VEHICLE WHEEL|
    FR1660706|2016-11-04|FR1660706A| FR3058360B1|2016-11-04|2016-11-04|ELECTRONIC UNIT FOR MEASURING OPERATING PARAMETERS OF A VEHICLE WHEEL|
    US16/339,134| US10549586B1|2016-11-04|2017-11-03|Electronic unit for measuring operating parameters of a vehicle wheel|
    PCT/FR2017/053013| WO2018083424A1|2016-11-04|2017-11-03|Electronic unit for measuring operating parameters of a vehicle wheel|
    CN201780068311.3A| CN109906155B|2016-11-04|2017-11-03|Electronic unit for measuring operating parameters of a vehicle wheel|
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