EP0254608A1 - Einstellvorrichtung der relativen Stellung von zwei Teilen desselben Stückes, durch Verformung eines diese zwei Teile verbindenden Zwischenbereiches mittels einer konischen Schraube - Google Patents

Einstellvorrichtung der relativen Stellung von zwei Teilen desselben Stückes, durch Verformung eines diese zwei Teile verbindenden Zwischenbereiches mittels einer konischen Schraube Download PDF

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Publication number
EP0254608A1
EP0254608A1 EP87401446A EP87401446A EP0254608A1 EP 0254608 A1 EP0254608 A1 EP 0254608A1 EP 87401446 A EP87401446 A EP 87401446A EP 87401446 A EP87401446 A EP 87401446A EP 0254608 A1 EP0254608 A1 EP 0254608A1
Authority
EP
European Patent Office
Prior art keywords
extends
plane
bore
deformable
screw
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP87401446A
Other languages
English (en)
French (fr)
Other versions
EP0254608B1 (de
Inventor
Bruno Jacquet
Jean-Pierre Tellier
Pierre Boudet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9337610&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0254608(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Priority to AT87401446T priority Critical patent/ATE69667T1/de
Publication of EP0254608A1 publication Critical patent/EP0254608A1/de
Application granted granted Critical
Publication of EP0254608B1 publication Critical patent/EP0254608B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G12—INSTRUMENT DETAILS
    • G12B—CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILS OF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G12B1/00—Sensitive elements capable of producing movement or displacement for purposes not limited to measurement; Associated transmission mechanisms therefor
    • G12B1/02—Compound strips or plates, e.g. bimetallic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/12—Means for adjustment of "on" or "off" operating temperature
    • H01H37/20—Means for adjustment of "on" or "off" operating temperature by varying the position of the thermal element in relation to switch base or casing

Definitions

  • the present invention relates to a device for adjusting the relative position of two parts of the same part, by deformation, using a conical screw, of an intermediate zone connecting these two parts.
  • It relates more particularly, but not exclusively, to the realization of such an adjustment on parts obtained by cutting and, possibly, deformation of a sheet material such as a metal strip.
  • the triggering threshold of these devices is, among other things, a function of the relative position of the bimetallic strips and the triggering members associated with them.
  • the adjustment was then obtained by screwing a tapered screw into the tapped hole so as to generate, by a torque effect, a torsion of the deformable zone comprised between the hole and a second edge of the part opposite the aforesaid first edge. and to cause, as a result, a rotation of the fixing range.
  • the invention therefore more particularly aims to eliminate these drawbacks.
  • a device of the aforementioned type capable of adjusting the relative position of two parts of the same part, by deformation using an conical screw, of an intermediate zone connecting these two. parts, this intermediate zone having a tapped hole in which can be screwed said screw and a cutout which extends from a first edge of the part up to said drilling.
  • this device is more particularly characterized in that the intermediate zone also comprises at least one second cut opening into said bore opposite to the first cut, and which delimits with a second edge of the part a region deformable forming a hinge, offset relative to said bore.
  • the lever arm with which the force resulting from screwing is exerted on the deformable region is considerably increased and can be adjusted so as to obtain the desired deformation with an acceptable screwing force on the conical screw.
  • the aforementioned part can be obtained from a sheet material (for example a sheet metal strip) and comprise a support area of which at least one planar part extends in a plane, a range fastening of which at least a second part extends in said plane and a deformable area which connects the support area to the attachment area.
  • a sheet material for example a sheet metal strip
  • the deformable range comprises a repelled (or pressed) region at the center of which the tapped drilling is carried out, the depth of this region being such that its upper part is in the plane of the neutral fiber of the region of the deformable range which surrounds said repelled.
  • the invention proposes to use a conical screw whose head is shaped so as to ability to cooperate with a specific tool, for example part of an automatic adjustment device but which cannot be suitable for standard tools available on the market and, in particular, for conventional wrenches and screwdrivers.
  • this head has a cylindrical shape which extends coaxially to the screw and whose cylindrical surface has three grooves oriented at 120 ° from one another, and whose openings have a width less than the length of one side of the hexagon in which the cylindrical shape is found.
  • the adjustment device shown in FIGS. 1 and 2 is more particularly intended to allow an adjustment of the alignment of the bimetallic strips of a thermal relay or the contacts of a relay or of a contactor. It comprises a part produced by cutting and deformation (folding) of a metal strip, this part comprising more precisely: a support area 1 of rectangular shape which extends in a first plane P1, this area 1 can be fitted with fixing means, not shown, on a fixed part, for example the housing 1a of an apparatus such as a thermal relay; a deformable pad 2 which extends the support pad in said plane P1, this pad whose characteristics will be defined below having, at its end situated opposite the support pad, a transverse strip 3 which extends offset from said range 1; and - A fixing range 5, which can for example be fixed on a balance sheet 4 or a contact which extends in a second plane P2 perpendicular to the first P1.
  • the deformable pad 2 comprises, in its part adjacent to the support pad 1, a threaded bore 7 into which a conical screw 8 can be screwed, a first transverse slot 9 opening into the bore 7 and opening to the outside at the level from the side edge 10, a second transverse slot 11, diametrically opposite to the slot 9, which opens into the bore 7 and which occupies a fraction of the distance between the bore 7 and the side edge 12, and possibly a third slot 9 ⁇ made in the lateral edge 12, substantially in line with the slots 9 and 11.
  • the slots 9 and 11 delimit in the area 2 a deformable area 13 of reduced width, this area 13 forming a hinge with an axis perpendicular to the plane P1 of the support area 1.
  • the conical screw 8 can be mounted by hand and barely protrude from the bore 7, so as to initiate the grip of the threads of the screw 8 with the threads of the bore 7 close to the face located on the engagement side.
  • the adjustment is then obtained by a screwing of this screw 8 which, by wedge effect, causes the deformation of the zone 13, causing the opening of the slots 9 and 11 and a rotation according to the arrow f of the fixing range 5 as well as that of the zone of the deformable area 2 which is adjacent to it.
  • this movement of the fixing range 5 is carried out perpendicular to the axis of the screw 8. Furthermore, the preservation over time of the adjustment is guaranteed thanks to the fact that the screw 8 is self-locking and that the residual deformation obtained does not prevent the exercise of a residual elastic force contributing to the development of a tightening torque.
  • the screw 8 being conical and the hole 7 cylindrical, said screw 8 will only be in contact with the deformable area by the edge 15 of the bore 7 located on the engagement side.
  • the screw 8 exerts on the workpiece forces F applied to the edge 15 of the hole 7 which generate a moment of deformation with respect to the neutral fiber N1, which contributes to effect a relative displacement of the regions R1 and R2 of the range of deformation 2, not in the plane P1 but towards positions 16, 17 shown in broken lines.
  • the screw 8 pushes back a little metal and the part in real engagement is not limited to the theoretical edge 18, but with experience, the depth of the repelled region 16 is adjusted so that the plane of the neutral fiber N2 passes through the middle part of the real span. Furthermore, the repelled region 16 must not hinder the deformation of the deformable zone. To this end, the slot 11 must come out of this region, as can be seen in FIG. 5.
  • the size of the parts, the deformable zone, the force F provided by the conical screw 8, the slope of the latter and the lever arm 1, are adapted to have the desired deformation with an acceptable action force on the screw 8.
  • the invention is not limited to the embodiment described above. So, for example, it would possible to provide instead of the slot 11 several other slots suitably arranged.
  • the tamper-proof conical screw usable in the devices described above comprises a substantially cylindrical head 19 coaxial with its threaded portion 20.
  • the cylindrical surface of this head 19 comprises three axial grooves 21, 22, 23, at 120 ° one from the other, designed to receive three corresponding dogs 24, 25, 26 of a screwing tool of which only the head 27 has been shown.
  • these grooves 21, 22 and 23 have, at the level of the cylindrical surface, a width l2 less than that of one side c of hexagon 28 in which the cylindrical head 19 is inscribed.
  • the device according to the invention is not limited by the presence of two aligned slots leading to the cylindrical opening 7a receiving the adjusting screw; in this figure, two auxiliary slots 11a, 11b are placed substantially convergently towards a through slot 9a which is itself, possibly, in the extension of an opposite slot 9 ⁇ . In this variate, there are two deformable regions 13a, 13b.

Landscapes

  • Connection Of Plates (AREA)
  • Vehicle Body Suspensions (AREA)
  • Transmission Devices (AREA)
  • Hinges (AREA)
  • Details Of Measuring And Other Instruments (AREA)
  • Body Structure For Vehicles (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Paper (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Clamps And Clips (AREA)
EP87401446A 1986-07-22 1987-06-24 Einstellvorrichtung der relativen Stellung von zwei Teilen desselben Stückes, durch Verformung eines diese zwei Teile verbindenden Zwischenbereiches mittels einer konischen Schraube Expired - Lifetime EP0254608B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87401446T ATE69667T1 (de) 1986-07-22 1987-06-24 Einstellvorrichtung der relativen stellung von zwei teilen desselben stueckes, durch verformung eines diese zwei teile verbindenden zwischenbereiches mittels einer konischen schraube.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8610602A FR2602085B1 (fr) 1986-07-22 1986-07-22 Dispositif de reglage de la position relative de deux parties d'une meme piece, par deformation, a l'aide d'une vis conique, d'une zone intermediaire reliant ces deux parties
FR8610602 1986-07-22

Publications (2)

Publication Number Publication Date
EP0254608A1 true EP0254608A1 (de) 1988-01-27
EP0254608B1 EP0254608B1 (de) 1991-11-21

Family

ID=9337610

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87401446A Expired - Lifetime EP0254608B1 (de) 1986-07-22 1987-06-24 Einstellvorrichtung der relativen Stellung von zwei Teilen desselben Stückes, durch Verformung eines diese zwei Teile verbindenden Zwischenbereiches mittels einer konischen Schraube

Country Status (20)

Country Link
US (1) US4815312A (de)
EP (1) EP0254608B1 (de)
JP (1) JPH07107554B2 (de)
KR (1) KR900008789B1 (de)
AT (1) ATE69667T1 (de)
AU (1) AU594168B2 (de)
BE (1) BE1004433A3 (de)
BR (1) BR8703768A (de)
CA (1) CA1273040A (de)
CH (1) CH672204A5 (de)
DE (1) DE3774632D1 (de)
DK (1) DK169801B1 (de)
ES (1) ES2006204A6 (de)
FI (1) FI88225C (de)
FR (1) FR2602085B1 (de)
GB (1) GB2195052B (de)
IN (1) IN170967B (de)
IT (1) IT1228268B (de)
MY (1) MY101087A (de)
ZA (1) ZA875308B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4941254A (en) * 1988-12-14 1990-07-17 Davis Allen V C Method for producing a motion transmitting and amplifying device
US6030114A (en) * 1997-09-30 2000-02-29 Siemens Energy & Automation, Inc. Method for thermally calibrating circuit breaker trip mechanism and associated trip mechanism
DE50206909D1 (de) * 2001-07-02 2006-06-29 Siemens Ag Justiervorrichtung fuer einen thermischen ausloeser
FR2891480B1 (fr) * 2005-10-04 2008-04-04 Auto Chassis Internat Snc Snc Outillage de fabrication d'une traverse a section fermee comprenant une matrice et/ou un poincon de longueur adaptable, et procede de fabrication correspondant.
ES2529470T3 (es) * 2008-07-31 2015-02-20 Mathread Inc. Cabeza de dispositivo de fijación, de masa reducida, que mejora el montaje
JP5674599B2 (ja) * 2011-08-31 2015-02-25 株式会社ブリヂストン 管継手

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642509A (en) * 1951-03-23 1953-06-16 Fed Electric Prod Co Automatic circuit breaker with calibration provision
US3349206A (en) * 1965-04-23 1967-10-24 Kim Young Won Thermostat switch and variable adjusting means therefor
US4224593A (en) * 1978-12-21 1980-09-23 Eaton Corporation Double-motion thermostat
US4231010A (en) * 1978-11-30 1980-10-28 Texas Instruments Incorporated Thermostatic switch employing a stud member for calibration of the switch
US4301438A (en) * 1979-11-13 1981-11-17 Emerson Electric Co. Adjustable force producing means for manually movable control levers in a space thermostat
DE3444658A1 (de) * 1984-04-05 1985-10-17 Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig Betaetigungsorgan fuer belueftungsklappen, -hauben und -schieber an fruehbeeten und gewaechshaeusern

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2222062A (en) * 1938-03-14 1940-11-19 Cook Electric Co Thermostat
BE433317A (de) * 1938-03-17
US2647187A (en) * 1951-03-02 1953-07-28 Fed Electric Prod Co Calibration of automatic circuit breakers

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2642509A (en) * 1951-03-23 1953-06-16 Fed Electric Prod Co Automatic circuit breaker with calibration provision
US3349206A (en) * 1965-04-23 1967-10-24 Kim Young Won Thermostat switch and variable adjusting means therefor
US4231010A (en) * 1978-11-30 1980-10-28 Texas Instruments Incorporated Thermostatic switch employing a stud member for calibration of the switch
US4224593A (en) * 1978-12-21 1980-09-23 Eaton Corporation Double-motion thermostat
US4301438A (en) * 1979-11-13 1981-11-17 Emerson Electric Co. Adjustable force producing means for manually movable control levers in a space thermostat
DE3444658A1 (de) * 1984-04-05 1985-10-17 Veb Kombinat Medizin- Und Labortechnik Leipzig, Ddr 7033 Leipzig Betaetigungsorgan fuer belueftungsklappen, -hauben und -schieber an fruehbeeten und gewaechshaeusern

Also Published As

Publication number Publication date
GB2195052A (en) 1988-03-23
MY101087A (en) 1991-07-16
FI88225B (fi) 1992-12-31
DK364487D0 (da) 1987-07-13
KR900008789B1 (ko) 1990-11-29
CH672204A5 (de) 1989-10-31
FI873203A0 (fi) 1987-07-21
JPH07107554B2 (ja) 1995-11-15
BE1004433A3 (fr) 1992-11-24
FR2602085A1 (fr) 1988-01-29
AU594168B2 (en) 1990-03-01
IT1228268B (it) 1991-06-05
EP0254608B1 (de) 1991-11-21
BR8703768A (pt) 1988-03-29
CA1273040A (fr) 1990-08-21
US4815312A (en) 1989-03-28
DE3774632D1 (de) 1992-01-02
KR880002185A (ko) 1988-04-29
FI873203A (fi) 1988-01-23
AU7523087A (en) 1988-01-28
FR2602085B1 (fr) 1990-04-13
IT8721279A0 (it) 1987-07-14
GB2195052B (en) 1990-04-25
GB8715553D0 (en) 1987-08-12
FI88225C (fi) 1993-04-13
ATE69667T1 (de) 1991-12-15
ZA875308B (en) 1988-03-30
JPS6345588A (ja) 1988-02-26
DK169801B1 (da) 1995-02-27
DK364487A (da) 1988-01-23
IN170967B (de) 1992-06-20
ES2006204A6 (es) 1989-04-16

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