专利摘要:
The invention relates to a device (D) for clamping an electronic box (B) on a tire rim (J), the device (D) comprising an electronic box (B) of a pressure sensor and / or temperature, at least one flexible link (200) making at least one loop around the rim (J) and at least one tensioning means of said flexible link, characterized in that said tensioning means comprises a lever (110); ) pivotally mounted relative to a plate (120) which bears on the rim (J), said lever (110) passing from a raised position to a folded position against the plate (120), the raised position allowing assembly ends (210 and 220) and the folded position tensioning said flexible link (200) for fixing the housing (B) on the rim. Applications: wheel sensor.
公开号:FR3028215A1
申请号:FR1460817
申请日:2014-11-07
公开日:2016-05-13
发明作者:Dominique Luce
申请人:LDL Technology SAS;
IPC主号:
专利说明:

[0001] FIELD OF THE INVENTION The present invention relates to the field of systems for monitoring the pressure and temperature of pneumatic tires. BACKGROUND OF THE INVENTION of vehicles and in particular adaptations to attach to the rim in the best conditions, the electronic measuring unit containing the sensor. DESCRIPTION OF THE PRIOR ART One of the current solutions for clamping is to use a strapping securing the electronic box passing from below the housing or through windows fitted in the latter in order to pass the strap and close it around the periphery of the rim. . Such a solution has the disadvantage of seeing the sidewalls of the tire come to apply to the casing during the assembly and disassembly phases of the tire on the rim.
[0002] The submission of such constraints to the casing may have consequences such as: the strapping of the strapping, the damage of the casing, the damage of the internal wall of the tire during this tearing out, the appearance of hernias in the damaged parts, etc. It was for example found during the assembly of a truck tire that a sensor case attached to the rim with a strap or ring of flat section stainless steel. 1.2 mm) can not be displaced axially parallel to the wheel axis by more than 40 mm. Indeed, this race corresponds to the plastic limit of deformation of the strap. Also, once this displacement is reached during the assembly or disassembly phases, the deformation of the strap has the following consequence: that the casing is no longer pressed against the rim and rotates freely or, more commonly, that the strap broken.
[0003] Such displacement is largely possible because the central portion of the rim commonly reaches 80 mm. Although the technical problems mentioned above are not noted, this configuration is found in the document US 2004/0118195 which describes an apparatus for monitoring the parameters of a tire mounted on a vehicle wheel comprising a sensor configured for an installation inside the tire. The sensor is attached to the rim of the wheel to prevent it from being exposed to the liquid present in said tire. According to one embodiment, the sensor is attached to the wheel by means of two straps or straps which extend around a circumferential surface of the rim and which associate with a base coupled to said sensor. Indeed, the fact that the sensor or the housing containing the sensor is associated with a base increases the height of the assembly and therefore the obstacle that it constitutes during the phases of assembly or disassembly. In addition, the volumes of the base and the assembled housing adopt a concave peripheral shape that becomes a retaining zone of the tire bead, retained which will result in the rupture of either the connection between the base and the housing or the strapping or cerclages as described above. The use of strapping has moreover not only the disadvantage of not constituting the most resistant solution but also of not being able to adapt to conical rim profiles. Indeed, by definition a band has the same diameter on its two edges therefore does not allow its adaptation to a variation in diameter. There is also the device described in US 4507956 which proposes to connect an electronic module to a rim by means of cables which are connected to the ends of a spring. The presence of a spring makes fixing more complex and more expensive without being able to guarantee good tension. The various disadvantages described above led the Applicant to propose the device described in EP 2392480 which proposed the rim clamping of an electronic box for measuring the pressure and / or the temperature inside a machine. remarkable tire in that it was constituted by at least one cable which, at least one turn around the rim and coming to press the housing on the surface of the rim, formed by its material, the number of son that composed and their torsion, a resilient connection allowing axial displacement to said housing on the rim thus avoiding said housing to withstand the stress of the tire during assembly and disassembly phases.
[0004] This solution, although solving the problems of the prior art, requires the tensioning of the cable made in this document by means of a clamp and tension holding means such as a screw. DESCRIPTION OF THE INVENTION The applicant has conducted research to optimize the cable attachment of an electronic box on a tire rim. This research led to the design and construction of a device for clamping a pressure and temperature sensor housing on an innovative rim that could be applied not only to clamping a cable but also to clamping. operating bands of more or less large materials such as straps, polygonal section link, etc ... Although such a device can be installed in place of current clamping means, its implementation has led the plaintiff to do evolve the electronic unit which can itself present adaptations dedicated to this device, adapted housing which is another object of the invention. According to the invention, the device for clamping an electronic box on a tire rim, the device comprising an electronic box of a pressure and / or temperature sensor, at least one flexible link making at least one loop around the rim and at least one means of tensioning said flexible link, is remarkable in that said tensioning means comprises a lever pivotally mounted relative to a plate which bears on the rim, said lever passing from a raised position to a folded position against the platen, - said plate hosting a first end of said flexible link, - said lever receiving the second end of said flexible link, 35 the raised position allowing the mounting of the ends and the folded position putting in tension said link flexible for fixing the case on the rim.
[0005] This feature is particularly advantageous in that it facilitates the mounting and fixing of the sensor housing on a rim avoiding the use of a clamp and a screw for maintaining the voltage as previously proposed in the prior art. Indeed, the use of a lever will guarantee the ease of installation and the tensioning of the flexible link. Maintaining the tension is also a guarantee for maintaining the folded down position of the lever. In addition, by controlling the length of the link opposite the diameter of the rim, it is possible to define a tension of the flexible link which is identical from one rim to another. This feature is particularly advantageous, since this type of attachment must allow an avoidance strategy to the housing when it is subject to the constraints of the tire cheeks during assembly operations. Indeed, the tension of the flexible link must allow the box not to be an obstacle during said operations. The transition from a raised position to a folded position, will constitute the benchmark of a good fixation. In order to allow the adjustment of the tension but also to allow the use of the same flexible link for several diameters, said plate adopts the shape of a rack proposing by its plurality of teeth, a plurality of reception positions of said first end of flexible link. Still to meet the same need, the device comprises a platinum extension that attaches to one end of the latter to provide one or more additional home positions for said first end to allow mounting on a wide range of diameters of rim. Thus, depending on the diameters, it is possible to simply extend the plate by means of said extension to allow the fixing of the housing without changing the lever, the plate or the link. There are several solutions to implement the flexible link, which can be for example one or more loops of a strap, one or more loops of a cable. Nevertheless, in order to combine the advantages of using a cable making several turns around the rim to those of a clamping device according to the invention, said flexible link is, according to another preferred feature, constituted by a cable whose two ends meet to form a ring which is flattened to form a split elongated link around the rim and having a loop at each end. A first loop cooperates with the plate and the second loop cooperates with the lever. In order to protect it but also to facilitate the sliding of said housing along the cable, said cable is a braided cable covered with plastic. Such a feature also avoids damaging the rim. According to a preferred embodiment but not limited to, the cable is stainless steel of the grade 316L. According to a preferred embodiment but not limiting, the lever and the plate are made of thermoplastic such a high-performance plastic material of polyamide derivative type. According to another particularly advantageous feature of the invention, the device is remarkable in that said housing adopts a lower surface coming into contact with the rim and a preformed upper surface to accommodate said flexible link for retaining purposes while allowing sliding said housing on the rim along said flexible link.
[0006] Another object of the invention is constituted by the pressure sensor housing and / or temperature being fixed inside a tire rim by means of a flexible link. Thus, the device of the invention is remarkable in that said electronic box forms said tensioning means of the flexible link and comprises two parts pivotally mounted relative to each other so as to form a platen coming into contact with each other. with the rim and a lever passing from a raised position to a folded position against the plate, said lever receiving a first end of a flexible link around the rim whose second end is received by said plate. By eccentric system, the passage from the raised position to the folded position ensures the tensioning of the link for fixing the housing on the rim. According to another particularly advantageous characteristic of the invention, the components contained in the housing are integrated with the plate and / or the lever.
[0007] According to another characteristic, said lever comprises all the electronic components necessary for measuring the pressure and / or the temperature in the tire. According to another particularly advantageous feature, the Applicant has designed a mounting set comprising the cable tensioning means, the electronic unit (if the housing does not constitute said tensioning means), and a set of three looped cables. offering three different lengths. Such a set allows to equip by the device of the invention, the entire range of wheels for truck wheels according to ETRTO, TRA and JAPMA standards. The basic concepts of the invention having been described above in their most elementary form, other details and characteristics will emerge more clearly on reading the description which follows and with reference to the appended drawings, giving non-limiting examples, several embodiments of a clamping device and a housing according to the invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic drawing of a partial perspective view of a first embodiment of the device in an open position and disposed on the rim; Figure 2 is a schematic drawing of the device of Figure 1 in the closed position; Figure 3 is a schematic drawing of a partial perspective view of the device of Figure 1 hosting an extension for its plate; Figure 4 is a schematic drawing of a partial side sectional view of the device of Figure 1 in the closed position; Figure 5 is a schematic drawing of a partial perspective view of a second embodiment of the device in the open position and disposed on the rim; Figure 6 is a schematic drawing of the device of Figure 5 in the closed position; Figure 7 is a schematic drawing of a partial perspective view of the device of Figure 5 hosting an extension for its plate; Figure 8 is a schematic drawing of a partial side sectional view of the device of Figure 5 in the closed position.
[0008] DESCRIPTION OF THE PREFERRED EMBODIMENTS As illustrated in the drawings of FIGS. 1 and 2, the device D for fastening the electronic box B to the rim J comprises a cable 200 associated with a tensioning module 100 of the cable 200 which plates the box. B against the surface of the central groove of the rim J. This housing B comprises a plastic shell 300 which conventionally contains a pressure sensor and / or temperature. As illustrated, the tensioning module 100 comprises a lever 110 pivotally mounted relative to a plate 120 which abuts against the rim J. The cable 200 has two ends which meet to form a ring which is flattened to propose a split elongated link running around the rim J and having a loop at each end, a first loop 210 cooperating with the plate 120 and the second loop 220 cooperating with the lever 110. Such a configuration allows s adapt to several rim profiles including those having a substantially conical shape. This lever 110 comprises a first end 111 equipped with an axis of rotation A and a second end 112 on which the fitter will act in order to tilt the lever 110 according to the arrow Fi. The loop of the cable 200 is engaged on the lever 110 in the open position. According to the illustrated embodiment, the shell 300 of said housing B is preformed on its upper face with two longitudinal longitudinal grooves 310 and 320 of the portion of the split cable 200. These grooves are preformed to retain the cable 200 while allowing the sliding of the housing on the surface of the rim J along the cable (clipping). These two grooves 310 and 320 having a fixed spacing, it is important that a spacing between the two portions of the cable 200 split is also respected. To do this, as illustrated, said lever 110 is preformed on its inner face to provide a retaining stop 113 to the second loop 220 of the cable 200, abutment taking a rounded shape 35 to provide a radius of curvature adapted. In addition, the housing 300 is disposed about thirty centimeters from the tensioning module 100 to allow sliding in both directions.
[0009] As illustrated, the inner face of the lever 110 is also preformed to present transverse ribs and longitudinal to provide a lever both rigid and lightweight. The plate 120 adopts the shape of a rack having by its plurality of teeth 121, a plurality of reception positions of said first loop 210. According to the illustrated embodiment, the plate 120 adopts a form that adapts to the surface the rim J on which it bears by its lower face and is preformed at its upper face: - at one end, two lateral projections 122 spaced apart to accommodate the first end 111 of said lever 110 and to form a bearing to the rotation shaft A of the lever 110, - lateral projections to its second end, teeth 121 serving as retaining stops of the first loop 210 of the cable 200. As for the retainer 113 preformed in the lever 110 , the teeth adopt a rounded profile. Once, - a first loop 210 of the cable 200 engaged on one of the teeth 121 of the plate 120, 20 - a second loop 220 of the cable 200 engaged on the raised lever 110, and - the box B associated by its grooves 310 and 320 With the parallel portions of cable 200, the lever 110 is folded according to the arrow Fi to reach the position illustrated by the drawings of FIGS. 2 and 4. As illustrated, the tensioning module 100 of the cable 200 then does not project. The cable 200 is then in tension and the housing B is pressed against the surface of the rim J. The drawing of FIG. 4 specifies in the folded position the position of the loops 210 and 220 of the cable 200. as well as the profile of the stops 113 and 121. As illustrated, the stop 113 is associated with an upper groove 114 in which the mouth 220 is housed during the tensioning. Likewise, each tooth 121 is associated with a lower groove 122. The presence of these grooves makes it possible to create a vertical retaining surface preventing any disengagement of the cable.
[0010] As illustrated, once the lever 110 folded down, the loop 210 is at a lower height relative to the axis of rotation A thus preventing any rotation of the lever 110 in the opposite direction. In addition, the transverse ribs present on the inner face of the lever 110 then become housed and cooperate with the free intervals between the teeth 121 or fixing notches. This feature has the effect of preventing any cable exit and ensuring that the cable is at the bottom of said gap. Indeed, as the cable is not compressible, if it is not 10 well positioned, it is impossible to switch the lever in its final folded position. As illustrated in the drawing of Figure 3, the device D further comprises an extension 400 of the plate 120. This extension consists of an additional rack having 15 - at one end of the preforms 410 allowing it to be associated with one or several teeth 121 of the rack of the initial plate, and - over the rest of its length a plurality of teeth 420 additional. It will be understood that such an extension makes it possible to use the same cable 200 and the same tensioning module 100 on a rim of greater diameter. The drawings of FIGS. 5 to 8 describe another embodiment embodying the principles of the invention but where the applicant's miniaturization efforts allowed him to integrate directly into the lever 110 'of the tensioning module 100'. cable 200 'the components conventionally present in a separate electronic box. The housing B 'is then constituted by the tensioning module 100'. Fixing then becomes simpler in that it is no longer necessary (in comparison with the previous embodiment) to clip the portions of the cable 200 'onto the housing. Such a design also reduces the number of parts. The tensioning is also performed as described above in that the lever 110 'associated with a loop 220' is pivoted to fold against a plate 120 'associated with another loop 210' of the split cable 200 'for its tensioning of the cable 200 'and thus the clamping of the housing / lever 110' on the rim J. - 10 - As for the previous embodiment, an extension 400 '(see FIG. 7) allows the use of a same case for several rim diameters. It is understood that the device and the boxes, which have just been described above and shown, have been for the purpose of disclosure rather than limitation. Of course, various arrangements, modifications and improvements may be made to the example above, without departing from the scope of the invention. 15 20 25 30 35
权利要求:
Claims (9)
[0001]
REVENDICATIONS1. Device (D) for clamping an electronic box (B) on a tire rim (J), the device (D) comprising an electronic box (B) of a pressure and / or temperature sensor, at least one flexible link (200) making at least one loop around the rim (J) and at least one means for tensioning said flexible link, CHARACTERIZED BY THE FACT THAT said tensioning means comprises a lever (110) pivotally mounted by relative to a plate (120) which bears on the rim (J), said lever (110) passing from a raised position to a folded position against the plate (120), said plate (120) receiving a first end (210) of said flexible link (200), said lever (110) receiving the second end (220) of said flexible link (200), the raised position allowing the mounting of the ends (210 and 220) and the folded position putting in tension said flexible link (200) for fixing the housing (B) on the rim. 20
[0002]
2. Device (D) according to claim 1, CHARACTERIZED BY THE FACT THAT said plate (120) adopts the shape of a rack having by its plurality of teeth (121), a plurality of receiving positions of said first end ( 210) of flexible link (200). 25
[0003]
3. Device (D) according to claim 1, CHARACTERIZED BY THE FACT THAT it comprises a platten extension (400) being fixed at one end thereof (120) to provide one or more additional home positions for said first end (210) of flexible link (200) to allow mounting over a wide range of rim diameters.
[0004]
4. Device (D) according to claim 1, CHARACTERIZED BY THE FACT THAT said flexible link (200) is constituted by a cable whose two ends meet to form a ring which is flattened to form a split elongated link making the round of the rim (J) 35 and having a loop at each end (210, 220), a first loop (210) cooperating with the plate (120) and the second loop (220) cooperating with the lever (110) .- 12 -
[0005]
5. Device (D) according to claim 4, CHARACTERIZED BY THE FACT THAT said cable is a braided cable covered with plastic.
[0006]
6. Device (D) according to claim 1, CHARACTERIZED BY THE FACT THAT said housing (B) adopts a lower surface contacting the rim and a top surface preformed to accommodate said flexible link (200) for retaining purposes while allowing the sliding of said housing (B) on the rim (J) along said flexible link (200).
[0007]
7. Device according to claim 1, CHARACTERIZED BY THE FACT THAT said electronic unit forms said tensioning means of the flexible link and comprises two parts pivotally mounted relative to each other so as to form a plate (120 ' ) coming into contact with the rim (J) and a lever (110 ') passing from a raised position to a folded position against the plate (120'), said plate (120 ') receiving a first end (210') d a flexible link (200 ') around the rim (J) whose second end (220') is accommodated by said lever (110 '), the passage from the raised position to the folded position ensuring the tensioning link (200 ') for fixing the housing on the rim (J).
[0008]
8. Device (D) according to claim 7, CHARACTERIZED BY THE FACT that the components contained in the housing are integrated with the plate and / or the lever.
[0009]
9. Device (D) according to claim 7, CHARACTERIZED BY THE FACT THAT said lever (110 ') of the housing comprises all the electronic components necessary for measuring the pressure and / or temperature. 30 35
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同族专利:
公开号 | 公开日
FR3028215B1|2016-11-18|
EP3017968A1|2016-05-11|
JP2016104619A|2016-06-09|
US20160129738A1|2016-05-12|
AU2015252027B2|2019-06-13|
AU2015252027A1|2016-05-26|
JP6748417B2|2020-09-02|
US10035389B2|2018-07-31|
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引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题
EP2392480A1|2010-06-04|2011-12-07|LDL Technology|Fastening device of the housing of a pressure and temperature sensor module for mounting on the rim of a vehicle, and the housing|
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US4507956A|1983-09-09|1985-04-02|Eaton Corporation|Circuit mounting apparatus|
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JP4166735B2|2004-08-04|2008-10-15|太平洋工業株式会社|Transmitter unit in tire condition monitoring device|
DE102004037956A1|2004-08-05|2006-02-23|Dr.Ing.H.C. F. Porsche Ag|Wheel sensor for tire pressure monitoring device with holder|
FR2877267B1|2004-10-28|2007-01-26|Hutchinson Sa|DEVICE FOR PREVENTING THE DELETION OF A PNEUMATIC ENVELOPE MOUNTED ON A MONOBLOC WHEEL RIM, A METHOD OF MANUFACTURING THE SAME, AND A MOUNTING ASSEMBLY INCORPORATING THE SAME|
JP4209395B2|2005-01-21|2009-01-14|太平洋工業株式会社|Tire monitoring unit|
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FR2949713B1|2009-09-08|2012-02-10|Hutchinson|FLAT ROLLING DEVICE FOR MOTOR VEHICLE, INCORPORATING ASSEMBLY AND METHOD FOR MOUNTING / DISASSEMBLING THE SAME|KR101666965B1|2015-04-29|2016-10-17|씨트론 주식회사|Fixing device for air pressure sensor of tire pressure monitoring system|
DE102016214089A1|2016-07-29|2018-02-01|Alligator Ventilfabrik Gmbh|Fastening device for fastening a measuring sensor, in particular tire pressure sensor|
JP2019123491A|2018-01-18|2019-07-25|横浜ゴム株式会社|Tire information acquisition device|
US10942077B2|2018-08-07|2021-03-09|FLO Cycling, LLC|Smart bicycle wheel sensor system|
CN112448306B|2020-11-16|2022-02-18|深圳市创银科技股份有限公司|A installation device that is arranged in wireless temperature measurement sensor of smart power grids|
法律状态:
2015-11-27| PLFP| Fee payment|Year of fee payment: 2 |
2016-05-13| PLSC| Search report ready|Effective date: 20160513 |
2016-11-29| PLFP| Fee payment|Year of fee payment: 3 |
2017-11-26| PLFP| Fee payment|Year of fee payment: 4 |
优先权:
申请号 | 申请日 | 专利标题
FR1460817A|FR3028215B1|2014-11-07|2014-11-07|DEVICE FOR CLAMPING A PRESSURE AND TEMPERATURE SENSOR HOUSING ON A VEHICLE RIM AND ADAPTED HOUSING|FR1460817A| FR3028215B1|2014-11-07|2014-11-07|DEVICE FOR CLAMPING A PRESSURE AND TEMPERATURE SENSOR HOUSING ON A VEHICLE RIM AND ADAPTED HOUSING|
US14/929,773| US10035389B2|2014-11-07|2015-11-02|Device for clamping a pressure and temperature sensor box to a vehicle rim and suitable box|
AU2015252027A| AU2015252027B2|2014-11-07|2015-11-03|Device for clamping a pressure and temperature sensor box to a vehicle rim and suitable box|
JP2015216478A| JP6748417B2|2014-11-07|2015-11-04|Device for fastening pressure and temperature sensor boxes to vehicle rims and suitable boxes|
EP15003171.4A| EP3017968B1|2014-11-07|2015-11-05|Clamping device for a housing of a pressure and temperature sensor on a vehicle rim and adapted housing|
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