EP0490142B1 - Schalterbetätigungsvorrichtung - Google Patents

Schalterbetätigungsvorrichtung Download PDF

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Publication number
EP0490142B1
EP0490142B1 EP91119953A EP91119953A EP0490142B1 EP 0490142 B1 EP0490142 B1 EP 0490142B1 EP 91119953 A EP91119953 A EP 91119953A EP 91119953 A EP91119953 A EP 91119953A EP 0490142 B1 EP0490142 B1 EP 0490142B1
Authority
EP
European Patent Office
Prior art keywords
switch
guideway
control element
switch actuator
section
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.)
Expired - Lifetime
Application number
EP91119953A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0490142A1 (de
Inventor
Wolfgang Dipl.-Ing. Auer
Bernd Schutzbach
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.)
Daimlerchrysler Ag marquardt GmbH
Original Assignee
Daimler Benz AG
Mercedes Benz AG
Marquardt GmbH
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 Daimler Benz AG, Mercedes Benz AG, Marquardt GmbH filed Critical Daimler Benz AG
Publication of EP0490142A1 publication Critical patent/EP0490142A1/de
Application granted granted Critical
Publication of EP0490142B1 publication Critical patent/EP0490142B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/42—Driving mechanisms, i.e. for transmitting driving force to the contacts using cam or eccentric
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/46—Locking several wings simultaneously

Definitions

  • the invention relates to a device for mechanical actuation of at least one electrical switch with the features of the preamble of claim 1.
  • a device with these features is known (DE 38 04 838 C1). This is used in a pneumatic control element to actuate an electrical control switch of a central locking system.
  • the switch actuation part is pivotally mounted there in the actuating element housing about a pivot axis extending transversely to the stroke axis of an actuator of the actuating element, and the stroke movement of the actuator is achieved via a pairing of a guide groove or link extending obliquely to the stroke axis and a pin of the switch actuation part engaging in it translated into its swivel movement.
  • the pivoting movement of the switch actuating part inevitably follows the lifting movement of the actuator, while the switch itself is designed as a snap switch (e.g. according to DE 29 36 821 A1).
  • the switch actuating part acts on this with a contour in the sense of loading and unloading. An inevitable translation of a rotary movement of a control part into a switch operation is not apparent from the cited documents.
  • the invention has for its object to design a generic switch actuation device so that it can be used for translating a rotary movement of a control part into a switch actuation.
  • the switch actuating part can either be guided linearly in the housing, it executes a pure lifting or transverse movement perpendicular to the axis of rotation of the control part for actuating the switch, or it can be in a manner known per se about a pivot axis which is parallel to the distance from The axis of rotation of the control part runs, can be pivoted, the pivoting movement in the area of the contact strips being regarded as approximately linear because of the relatively small stroke. This approximation is all the better the greater the distance between the axis of rotation of the control part and the pivot axis of the switch actuating part.
  • Another conceivable solution uses elastic deformation of the switch actuating part comprising the control part.
  • one contact piece of the switch actuating part for actuating the electrical switch is moved radially with respect to the axis of rotation of the control part, while the other contact piece runs at a constant radius.
  • a resilient spring force is generated by the resulting elastic deformation of the switch actuating part - expansion of the part comprising the control part.
  • a switch actuation device is installed in a housing 101, in which a control part 102 is rotatably mounted about an axis of rotation 102A.
  • This control part 102 is here part of a door lock in a motor vehicle, not shown, for.
  • a lock nut which is rotatably coupled with a lock cylinder in the usual way via a rotating rod and can be rotated synchronously with this when the key cylinder is actuated to lock or unlock a door or flap lock.
  • Such a door lock arrangement is known for example from the document DE 38 27 564 C1 already mentioned at the beginning.
  • the housing 101 which - in the drawing on the left - is closed with a removable cover 101D, also contains an insertion holder or guide 103 for at least one electrical switch 104. It can be seen from FIG. 2 that several switches can also be accommodated next to one another .
  • the electrical switch 104 shown in Figure 1 is designed in a known manner as a snap switch. On the actuation side, it has a switch contact 104S, which can be switched over between two fixed contacts 104F by mechanical action on a spiral spring 104B pretensioned by a dead center spring 104T. On the connection side, the switch 104 is provided with a soldered line L.
  • a base 105 which is clipped into a socket 106 the contacts 104S and 104F for protection against dirt and moisture are surrounded in a known manner by a closed protective cap 107, which is made of an elastic and moisture-proof material, e.g. B. silicone, and is clamped with an edge region 107R between the base 105 of the switch 104 and a stop shoulder 108 of the socket 106.
  • the plug sleeve 106 itself is fixed in the insertion guide 103 in a manner not shown.
  • At least one switch actuating part 109 is pivotally mounted in a clip receptacle 101C about a pivot axis 109A, which runs at a distance parallel to the axis of rotation 102A of the control part 102. This is used to transmit or translate the rotary movements of the control part 102 to the switch 104. It is completely independent of the switch 104 and the insertion sleeve 106 as a rocker arm forked into an upper leg 110 and a lower leg 111.
  • the two legs 110 and 111 enclose the control part 102 between them, each bearing at the end a contact piece 112 or 113 to be pointed at the control part 102, which abuts on a guideway 114 with little play or only a small contact force, which along one The circumference of the control part 102 runs.
  • the two grinding pieces 112 and 113 which are provided with rounded tips, lie approximately diametrically opposite one another.
  • an extension 115 is formed as the contour actuating the switch 104, which is guided through a recess 116 in the insertion guide 103 and the plug-in sleeve 106 and with elastic deformation of the closed protective cap 107 Bending spring 104B of the switch 104 can act directly. It is along a direction of movement predetermined by the direction of actuation of the switch 104 guided.
  • the guideway 114 of the control part 102 has a first transition bevel 117 and a second transition bevel 118, which are also approximately diametrically opposite one another and are directed in opposite directions.
  • the guideway has two sections 114.0 and 114.1 with different, constant radii, the radius of section 114.0 being smaller than that of section 114.1.
  • the connecting line between the two contact pieces intersects the axis of rotation 102A at a right angle.
  • the distance between the two contact pieces 112 and 113 is the sum of the larger and the smaller radius of these track sections in the undeformed state shown.
  • the switch 104 and the switch actuation part 109 are shown here in the unactuated rest position (non-actuation position).
  • the contact piece 112 lies on the section 114.0 of the guideway 114.
  • the control part 102 To actuate the switch 104, the control part 102 must be rotated clockwise about its axis of rotation until the transition bevel 117 has been passed completely under the contact piece 112 of the upper leg 110 of the switch actuation part 109.
  • a possible end position (actuation position) is indicated by dash-dotted lines.
  • the contact strip 112 is transferred from the section 114.0 with a smaller radius to the section 114.1 with a larger radius and thereby moves on a slightly curved path which runs essentially radially to the axis of rotation 102A.
  • the extension 115 must be lowered again in order to remove the load on the spiral spring 104B. From the position of the transition bevel 117 indicated by dash-dotted lines, this can be carried out again under the contact piece 112 by rotating the control part 102 counterclockwise, this being transferred again to the path section 114.0 with a smaller radius. At the same time, the opposite contact piece 113 is transferred again via the transition bevel 118 to the path section 114.1 with a larger radius, as a result of which a pivoting movement of the switch actuating part 109 is forced by the specific small angle — this time counterclockwise with respect to the pivot axis 109A. The non-actuated position of the switch actuating part 109 is restored.
  • the back and forth rotation of the control part 102 corresponds to the present application in a vehicle door or flap lock z.
  • the particular advantage of this arrangement is that the housing and the parts accommodated by it are completely independent of that actual lock and the lock cylinder can be pre-assembled and installed.
  • switch actuator described can also be used for other applications, e.g. B. to safely initiate a switch operation in rotating control parts over a certain angle of rotation and then to dissolve again. Because of the mechanical positive control of the switch actuating part 109, a high switching point accuracy and interference immunity can be achieved.
  • FIG. 2 shows that a second guideway 114 'is arranged on the control part 102 next to and parallel to the guideway 114', which in turn corresponds to a second switch actuating part 109 'and a second switch 104', as previously described with reference to FIG. 1.
  • the two switch actuation parts 109 and 109 ' can be moved independently of one another, likewise the two switches 104 and 104' are of the same type, but are electrically and mechanically independent of one another.
  • the second switch actuation part 109 'and the second switch 104' are also accommodated in the housing 101.
  • Both switch actuation parts 109 and 109 ' are inserted into the corresponding clip receptacles 101C and 101C' via double-sided bearing journals located in their pivot axes 109A and 109A ', which results in reliable support against movements transverse to the common pivot axis.
  • a funnel contour 102T is also indicated on the control part 102, which facilitates the insertion of the rotary rod already mentioned during the assembly of the locking cylinder.
  • the switch 104 serves to generate the safety control signal in the manner already described above, while the switch 104 'is provided to generate a safety control signal.
  • FIG. 3 also shows a development of the two guideways 114 and 114 'lying next to one another on the circumference of the control part, the angles of rotation of the control part 102 starting from a neutral central position turning to 180 ° left / counterclockwise and + 180 ° clockwise / extend clockwise.
  • an angle "180 °” it is made clear once again that the transition bevels 117 and 118 are diametrically opposite one another on the circumference of the control part 102, in such a way that the diametrically arranged contact strips 112 and 113 each simultaneously at the beginning of the next transition bevel accumulate.
  • the switching states of the switches 104 and 104 ' are shown in logic "0" (basic position as shown in FIG. 1) or logic "1" (switched).
  • the locking cylinders of conventional locking systems on motor vehicle doors or flaps have a maximum range of rotation of - 90 ° to + 90 °. It is clear from FIG. 3 that when the control part 102 rotates to the right - which corresponds to a displacement of the unwound guideways 114 and 114 'to the right - the first switch 104 is switched after approximately 30 °, while the switch 104' is at least within an angle of rotation of Remains in the basic position.
  • switch 104 With a left turn, switch 104 remains in the basic position at least up to -90 °, while switch 104 'is already switched over after an angle of approximately 30 °. Corresponding to the switching points of the switches 104 and 104 ', there are of course also the times at which the switch actuating parts 109 and 109' are pivoted. A certain offset between the switching points and the beginning the transition bevels is caused by the shape of the contact strip tips and transition bevels and can also be influenced by the design. As can be seen, section 114.0 of guideway 114 is assigned the switching state "0" of switch 104 and section 114.1 of guideway 114 is assigned the switching state "1" of switch 104.
  • the switching points mentioned can be arbitrarily determined by appropriate design of the guideways. So it is with the present switch actuator z. B. also easily possible to bring the switch 104 'at certain angles of rotation of the control part in addition to the already switched switch 104 in the switched state and vice versa. Through a suitable (logical) combination and evaluation of the switch signals, additional functions can be controlled depending on the angle of rotation of the control part.
  • the two contact strips 112 and 113 do not necessarily have to be diametrically opposite one another, but can also be, for. B. only be offset by a circumferential angle of 90 ° or other values.
  • a switch actuating part 209 here includes, with an arc part 210, a control part 202, which is mounted in the same way as the control part 102 about an axis of rotation 202A in a housing 201 and also a similar guideway 214 with path sections 214.0 and 214.1 with different, constant radii and transition bevels 217 and 218.
  • an insertion guide 203 is again provided for an electrical switch 204, which is identical in construction to the switch 104 from FIG.
  • the arch part 210 in turn has a first contact piece 212 and a second contact piece 213 with rounded tips, which lie diametrically opposite one another on the guide track 214 and whose distance is equal to the sum of the two different radii of the track sections 214.0 and 214.1.
  • the switch actuating part 209 is guided with an (upper) extension 215 or a pin 211 so as to be linearly displaceable in two coaxial recesses 216 and 219 of the housing 201, the axis of which - in which the points of contact of the two contact strips 212 and 213 with the guideway 214 lie - the axis of rotation 202A of the control part 202 intersects at a right angle.
  • a web 201ST is formed on the cover 201D, the end face of which delimits the recess 216 of the housing 201 on the left after the cover has been fastened.
  • the recess 216 like the drilled recess 219, has a peripheral edge contour which radially supports the extension 215 all around.
  • a third guide point for the arch part 210 is formed by two ribs 220, which are formed on an inner wall of the housing 201, extend parallel to the axis of the recesses 216 and 219 and slidably receive a segment of the arch part 210 between them.
  • the linearly displaceable switch actuating part 209 is secured against rotation about the aforementioned axis of the recesses 216 and 219 by a three-point guide.
  • Dash-dot lines, as in FIG. 1, indicate an actuation position deflected from the non-actuation position of the switch actuation part 209 shown.
  • the transfer into this and back again by a rotary movement of the control part 202 proceeds in the same way as already described for FIG. 1, with the only difference that here only a linear movement of the switch actuating part takes place.
  • the extension 215 obviously acts directly on the switch 204, equivalent to the extension 115 from FIG. 1. It goes without saying that also in this embodiment variant 2, a plurality of switches 204 and actuating parts 209 can be arranged side by side in the housing 201.
  • a further variant of the device according to FIG. 1, briefly described below, can be realized by dispensing with transferring the second contact piece to the web section with a smaller radius, while the first contact piece is transferred to the web section with a larger radius, and instead the elastic deformation of the switch actuating part comprising the control part is used to generate a restoring force.
  • the two contact pieces of the switch actuating part with respect to the axis of rotation of the control part may be arranged slightly offset, so that although the first contact piece runs on the guideway, the second contact piece on a peripheral part of the control part with a constant radius.
  • FIG. 5 shows, as a detailed variant of FIG. 1, only a cylindrical control part 302 in a partial sectional view, from which it can be seen that a section 314.0 as a recess or recess with a smaller radius over a circumferential angle of approximately 180 ° into the control part 302, which is rotatably mounted about an axis of rotation 302A is molded, which on two sides by edges 320 - as more clearly emerges from Figure 6 - and is limited on the other two sides by transition bevels 317 and 318.
  • a switch actuation part 309 is slightly changed compared to the switch actuation part 109 from FIG.
  • a sliding piece 313 on the lower leg 311 is made so wide that it cannot plunge into the depression of the track section 314.0, but - as can again be seen in particular from FIG. 6 - Slides on the edges 320 when the control part 302 is rotated so far that the section 314.0 comes under this contact strip.
  • the latter state is indicated by the broken line of section 314.0 on the underside of control part 302.
  • the contact piece 312 of the upper leg 310 which in turn is directly opposite an extension 315, can be immersed in the depression, as shown. It is imperative to assign the extension 315 to the grinding piece 312, which is movable radially to the axis of rotation 302A via the transition slope 317.
  • a guide track 314 for the switch actuating part 309 is formed on the circumferential line on which the sections 314.0 and 314.1 are arranged.
  • the extension 315 in this configuration inevitably releases the switch again without having to provide its own return spring.
  • the circumferential length of the depression also ensures in this arrangement that a relatively large angle of rotation is possible without actuating the switch when the control part 302 is rotated counterclockwise - especially again in the case of a double switch arrangement as shown in FIG. 2.
  • a swivel mounting of the switch actuating part 309 need not necessarily be provided here, rather single-leg versions in the manner of a leaf spring or an elastic rocker arm are also conceivable. In this variant, too, the diametrical arrangement of the contact strips 312 and 313 is not absolutely necessary for the function.
  • circumferential angles or offsets in the range between 90 and 180 ° between the contact points of the contact strip with the respective guideway can be implemented constructively, but further precautions must be taken for the constraint-free running of the contact strips on the guideway and in particular the center distance between the Axis of rotation of the control part and the pivot axis of the switch actuating part must be reduced compared to the arrangements shown.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP91119953A 1990-12-11 1991-11-22 Schalterbetätigungsvorrichtung Expired - Lifetime EP0490142B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4039442 1990-12-11
DE4039442A DE4039442C1 (enrdf_load_stackoverflow) 1990-12-11 1990-12-11

Publications (2)

Publication Number Publication Date
EP0490142A1 EP0490142A1 (de) 1992-06-17
EP0490142B1 true EP0490142B1 (de) 1994-03-02

Family

ID=6420017

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91119953A Expired - Lifetime EP0490142B1 (de) 1990-12-11 1991-11-22 Schalterbetätigungsvorrichtung

Country Status (3)

Country Link
EP (1) EP0490142B1 (enrdf_load_stackoverflow)
DE (1) DE4039442C1 (enrdf_load_stackoverflow)
ES (1) ES2052316T3 (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2264743A (en) * 1992-02-25 1993-09-08 Ford Motor Co Door latch and lock assembly
DE4222798C2 (de) * 1992-07-10 1995-07-13 Daimler Benz Ag Baugruppe aus einem einen Schließzylinder mit einer neutralen Schlüsselabzugsstellung aufweisenden Schloß und einem an einem Schloßträger befestigten Stellelement
FR2697488B1 (fr) * 1992-11-03 1995-01-06 Vachette Ymos Dispositif antivol de direction pour véhicule automobile, et clé pour un tel dispositif.
DE19632995C2 (de) * 1996-08-16 2000-08-24 Kiekert Ag Kraftfahrzeugtürverschluß mit einer Mehrzahl von Schaltern und einem Schalterbetätigungssystem
GB0029058D0 (en) 2000-11-29 2001-01-10 Meritor Light Vehicle Sys Ltd Actuator
KR20130066347A (ko) * 2011-12-12 2013-06-20 현대자동차주식회사 차량용 파워 테일게이트의 최대 오픈량 설정 장치 및 방법
WO2016200743A1 (en) * 2015-06-08 2016-12-15 Illinois Tool Works Inc. Door lock operator having different types of door lock operation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2136973B1 (enrdf_load_stackoverflow) * 1971-05-07 1973-05-11 Crouzet Sa
DD122595A1 (enrdf_load_stackoverflow) * 1975-10-31 1976-10-12
DE2936821C2 (de) * 1979-09-12 1983-10-06 Daimler-Benz Ag, 7000 Stuttgart Pneumatische Zentralverriegelungsanlage für ein Kraftfahrzeug
DE3434962A1 (de) * 1984-09-22 1986-03-27 Daimler-Benz Ag, 7000 Stuttgart Schlossschalter, insbesondere kfz-tuerschlossschalter
DE3729303A1 (de) * 1987-09-02 1989-03-16 Licentia Gmbh Schaltgeraet
DE3804838C1 (enrdf_load_stackoverflow) * 1988-02-17 1989-01-26 Vdo Adolf Schindling Ag, 6000 Frankfurt, De
DE3827564C2 (de) * 1988-08-13 1993-12-23 Daimler Benz Ag Schließeinrichtung für Fahrzeuge

Also Published As

Publication number Publication date
ES2052316T3 (es) 1994-07-01
DE4039442C1 (enrdf_load_stackoverflow) 1992-01-30
EP0490142A1 (de) 1992-06-17

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