EP0490141A2 - Montage d'un interrupteur électrique - Google Patents

Montage d'un interrupteur électrique Download PDF

Info

Publication number
EP0490141A2
EP0490141A2 EP91119952A EP91119952A EP0490141A2 EP 0490141 A2 EP0490141 A2 EP 0490141A2 EP 91119952 A EP91119952 A EP 91119952A EP 91119952 A EP91119952 A EP 91119952A EP 0490141 A2 EP0490141 A2 EP 0490141A2
Authority
EP
European Patent Office
Prior art keywords
switch
tubular sleeve
housing
plug
arrangement according
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
EP91119952A
Other languages
German (de)
English (en)
Other versions
EP0490141A3 (en
EP0490141B1 (fr
Inventor
Wolfgang Dipl.-Ing. Auer
Claus Dipl.-Ing. Töpfer
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 EP0490141A2 publication Critical patent/EP0490141A2/fr
Publication of EP0490141A3 publication Critical patent/EP0490141A3/de
Application granted granted Critical
Publication of EP0490141B1 publication Critical patent/EP0490141B1/fr
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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
    • H01H27/06—Key inserted and then turned to effect operation of the switch

Definitions

  • the invention relates to a built-in arrangement of at least one electrical switch with the features of the preamble of claim 1.
  • a built-in arrangement with these features is known (DE 31 23 861 C2). It contains a sealed housing with a cable entry, which can be closed with a lid and into which two switches can be pre-installed.
  • the housing has an opening on the actuating side of the switch, which is closed by an elastic membrane seal.
  • An actuating part for the switches, which is pivotably mounted in the housing has a diaphragm which, after penetrating through, does not penetrate and which is provided for direct contact with cams arranged on the associated locking cylinder.
  • the housing is provided with hook-shaped fastening projections, which allow a clip-on attachment of the housing including switches.
  • the housing When installed, the housing is clipped onto a fixed lock cylinder guide. Due to the switch design the driver nose mentioned must get in the immediate vicinity of a cam track that is rotationally coupled to the locking cylinder. In addition, only very small swivel angles of the switch actuating part can be accommodated.
  • the relative position between the housing and the lock cylinder must be defined accordingly. In this position, the driver lug must be adjusted so precisely when the housing is clipped on that the built-in switch functions properly. Among other things, this requires that the mutually perpendicular axes of the driving lug and the locking cylinder intersect. The tight tolerance of the mounting arrangement required for this naturally causes considerable costs and complicates series assembly in motor vehicle use because of the high accuracy requirement. A further description of the problem can be found in DE 34 34 962 C2.
  • a pneumatic actuator (DE 38 04 838 C1) is known, the housing of which has a tunnel bore into which a preassembled electrical switch, which is protected on the actuation side by an elastic protective cap against direct mechanical influences, dust and moisture, is firmly inserted.
  • the switch is switched indirectly via a link-guided switch actuation part by movements of the actuator of said actuator.
  • An identical switch - without a protective cap - is e.g. B. shown in DE 29 36 821 A1.
  • This type of switch is relatively insensitive to tolerance-sensitive installation positions with regard to its switching behavior because it is switched by means of an elongated snap spring which can also accommodate relatively large strokes.
  • this known switch arrangement in a pneumatic actuating element does not give an indication of an installation arrangement of electrical switches close to the lock cylinder.
  • a watertight switch is known from DE-GM 66 03 332, which is sealed on the actuation side by a closed flexible cap supported on the edge.
  • the invention therefore has the task of designing a generic installation arrangement so that the at least one switch can be assembled and disassembled with more generous installation tolerances.
  • the proposed axial offset between the lock cylinder and the receiving point is preferably by a linearly displaceable plunger - which in turn z. B. can be driven in a known manner via a cam rotatable with the lock cylinder - bridged.
  • a locking cylinder 2 likewise only indicated, for mechanical unlocking and locking of a door lock, not shown, is arranged according to FIG .
  • the lock cylinder 2 is also used in a known manner to control additional functions (e.g. central locking, burglary-theft warning system, convenient operation of window regulators and electric sunroof) by means of a key 3 assigned to it, which is used to pivot the lock cylinder 2 to the right and left a neutral key withdrawal position can be inserted into it.
  • the lock cylinder 2 or a lock part which is rotatable and provided with cams 2N - which lies in the longitudinal axis 2X of the lock cylinder 2 - is therefore permanently assigned a receiving point designed as a plug-in housing 4 for at least one electrical switch 5.
  • the longitudinal axis 4X of the plug-in housing 4 is offset by a certain amount V with respect to the longitudinal axis 2X of the locking cylinder 2 and extends at least approximately perpendicular to the longitudinal axis 2X in the plan projection.
  • the switch 5 is used for the electrical detection of movements of the locking cylinder 2 due to a rotary movement of the inserted key 3. The transfer of these movements to the switch 5 will be explained later.
  • the plug-in housing 4 is as a tunnel bore integral part of a lock housing SG, not shown, in which z. B. can still be stored a lock nut and a connecting rod connecting the lock cylinder and the lock nut.
  • the lock component mentioned is also provided in this lock housing with the cams 2N for coding those angles of rotation of the lock cylinder at which the switch 5 must be switched.
  • the lock nut itself can have the cams 2N in a known manner if it is not necessary to actuate the switch 5 exclusively by means of the locking cylinder 2. But the locking cylinder itself can also carry the cams as required.
  • the plug-in housing 4 has a plug-in opening 4A and an end stop 4E.
  • two spring tongues 6 are provided on the wall side, which carry clip lugs 7 projecting into the clear space of the insertion opening 4A.
  • a support part designed as a tubular sleeve 8 for the electrical switch 5 is fixed by pushing its left end face in the drawing against the end stop 4E and gripping its right end face in the drawing by the clip lugs 7 becomes.
  • the switch 5 is of a known type (e.g. DE 29 36 821 A1). On the actuation side, it has a switch contact 5S which is activated by a dead center spring 5T pretensioned spiral spring 5B can be switched between two fixed contacts 5F. To protect the contacts 5S and 5F against dirt and moisture, they are surrounded in a known manner by a closed protective cap 9, which is made of an elastic and moisture-proof material, for. B. silicone, and is fixed with an edge region 9R to a base 10 of the switch 5.
  • a closed protective cap 9 which is made of an elastic and moisture-proof material, for. B. silicone, and is fixed with an edge region 9R to a base 10 of the switch 5.
  • a circumferential stop shoulder 8S is provided within the tubular sleeve 8.
  • the edge region 9R of the protective cap 9 can be seen clamped between the stop shoulder 8S and the base 10 and forms a seal in the joint between the stop shoulder 8S and the base 10.
  • the contacts 5S and 5F are thereby water and dust-tight and against Direct contact protected arranged (protection class IP 67 according to DIN 40 050).
  • the switch 5 On the connection side, the switch 5 is connected to a jacketed, multi-core electrical connection cable 11. After the switch 5 has been fixed by means of the catch 8R, the cavity remaining on the connection side in the tubular sleeve 8 is cast with a suitable casting compound 12, shown by tight hatching, in a liquid and gas-tight manner. At the same time, this forms the strain relief of the sheathed connecting cable 11.
  • the protective cap 9 is completely housed within the total length of the tubular sleeve 8, but the latter has the amount of Protective cap 9 and the spiral spring 5B on one side (on its underside) has a recess 8A which is open towards the left end face and through which a switch actuating part 13 can be passed. Furthermore, in order to increase the mechanical strength of the tubular sleeve 8, a transverse web 8St is formed on its left end face, which largely closes the left-hand opening of the tubular sleeve 8 and offers additional protection against mechanical damage to the switch 5 from the actuating side. The remaining gaps only serve to introduce molds in the manufacture of the tubular sleeve.
  • the aforementioned position coding of the switch 5 in the tubular sleeve 8 ensures that the spiral spring 5B is exactly opposite the recess 8A of the tubular sleeve.
  • the material of the protective cap 9 is reinforced on its wall side 9W, which also inevitably faces the recess 8A because of the said coding.
  • the switch actuating part 13 is designed as a separate plunger which is guided in the plug-in housing 4 and is completely independent of the switch 5 and which can be moved back and forth linearly in the direction of a double arrow "y".
  • the switch 5 and the switch actuating part 13 are shown here in the unactuated rest position; to actuate the switch 5, the switch actuating part 13 is raised by a certain stroke - which corresponds to the height of one of the cams 2N operatively connected to the locking cylinder 2 - whereby it acts on the spiral spring 5B of the switch 5 and the switching contact via the wall side 9W of the protective cap 9 without penetration 5S switches under the action of the dead center spring 5T to the lower fixed contact 5F.
  • the installation arrangement could also be used to detect movements or the presence of the key 3 within the locking cylinder 2 will.
  • the stroke of the switch actuating part 13 would, for. B. in a known manner (DE 35 16 732 C1) correspond to the stroke of a tumbler of the lock cylinder 2 when inserting the key.
  • the switch can be seen as a monostable changer; of course it depends on the assignment of its connections, which function is ultimately assigned to it. He can z. B. can be used as a single-pole normally closed or as a normally open contact or as a switch. In general, the switch design is not important here.
  • the view of the tubular sleeve 8 (line II-II in FIG. 1) and of the push-in housing according to FIG. 2 cut backwards (line III-III in FIG. 1) shows that within a tubular sleeve 8 there are also two (or with corresponding installation options even more) Switches 5 can be accommodated, a separate switch actuating part 13 being provided for each switch and being guided through the recess 8A.
  • Several switch actuation parts 13 next to one another are to be arranged in a row parallel to the longitudinal axis 2X of the locking cylinder 2; So the longitudinal axis 4X of the plug-in housing 4 must run at least approximately perpendicular to the longitudinal axis 2X of the locking cylinder 2 in plan.
  • the cap 9 is evidently designed as a one-piece molded part jointly for both switches 5, it being possible for each switch to have its own cap part, as shown, which are connected by a common edge region 9R, or only a single, larger cap can be provided.
  • the outer contour of the tubular sleeve 8 is shaped complementary to the non-circular inner outline of the plug-in housing 4 and that two longitudinal webs 8C are formed on the top of the tubular sleeve 8, which are formed in grooves 4C in the opposite inner wall of the Insert the housing 4.
  • the position of the tubular sleeve 8 within the plug-in housing 4 is clearly coded or specified; Incorrect assembly is excluded. Because in a position of the tubular sleeve 8 rotated by 180 ° about its longitudinal axis the webs 8C cannot be inserted into the plug-in housing 4 due to the lack of suitable grooves.
  • the switch actuation parts 13 advantageously have a round or oval cross section, so that the tongue 8Z and the side walls of the recess 8A can be inserted more easily.
  • Your guides in the lock housing SG are of course designed with appropriate cross sections.
  • Another detail of the shape of the tubular sleeve 8 is the execution of the stop shoulder 8S; this is formed only on the top and bottom of the clear space of the tubular sleeve 8 by webs (visible in FIG. 1), but on the other two sides by recesses.
  • the dimensions of the tubular sleeve 8 together with the two switches 5 according to FIG. 2 roughly correspond to those of an electrical plug-in coupling of a connecting cable which is usually used for connecting actuating element switches or individual lock cylinder switches, so that the space requirement for the installation arrangement of the switches at the lock can be reduced.

Landscapes

  • Lock And Its Accessories (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP19910119952 1990-12-11 1991-11-22 Montage d'un interrupteur électrique Expired - Lifetime EP0490141B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4039443 1990-12-11
DE19904039443 DE4039443C1 (fr) 1990-12-11 1990-12-11

Publications (3)

Publication Number Publication Date
EP0490141A2 true EP0490141A2 (fr) 1992-06-17
EP0490141A3 EP0490141A3 (en) 1993-02-10
EP0490141B1 EP0490141B1 (fr) 1994-12-28

Family

ID=6420018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910119952 Expired - Lifetime EP0490141B1 (fr) 1990-12-11 1991-11-22 Montage d'un interrupteur électrique

Country Status (3)

Country Link
EP (1) EP0490141B1 (fr)
DE (1) DE4039443C1 (fr)
ES (1) ES2069179T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995024052A1 (fr) * 1994-03-05 1995-09-08 Ivan Skultety Interrupteur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2062928A (en) * 1934-03-02 1936-12-01 Gen Motors Corp Lock switch and armored wire unit
DE1028205B (de) * 1956-06-13 1958-04-17 Pintsch Electro Gmbh Schluesselbetaetigter elektrischer Schalter
DE3434962A1 (de) * 1984-09-22 1986-03-27 Daimler-Benz Ag, 7000 Stuttgart Schlossschalter, insbesondere kfz-tuerschlossschalter
DE3720136A1 (de) * 1986-06-25 1988-01-21 Aisin Seiki Verfahren zum abdichten elektrischer und elektronischer bauteile
GB2207811A (en) * 1987-08-03 1989-02-08 Dom Sicherheitstechnik Key operated switch

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1615710B1 (de) * 1967-02-17 1970-08-27 Bbc Brown Boveri & Cie Wassergeschuetztes elektrisches Installationsgeraet
DE7730977U1 (de) * 1977-10-07 1982-06-09 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen Baueinheit aus zwei Gehäuseteilen
DE2936821C2 (de) * 1979-09-12 1983-10-06 Daimler-Benz Ag, 7000 Stuttgart Pneumatische Zentralverriegelungsanlage für ein Kraftfahrzeug
DE3123861A1 (de) * 1981-06-16 1982-12-30 Heinrich Kissling GmbH & Co KG, 7277 Wildberg Einbauschalter, insbesondere tuerschlossschalter
DE8500845U1 (de) * 1985-01-15 1985-04-18 Siemens AG, 1000 Berlin und 8000 München Abdeckkappe für einen elektrischen Schalter
DE3516732C1 (de) * 1985-05-09 1986-07-10 Daimler-Benz Ag, 7000 Stuttgart Kombinierte Zentralverriegelungs- und Sicherungsanlage für Verschlüsse an einem Kraftfahrzeug
DE3804838C1 (fr) * 1988-02-17 1989-01-26 Vdo Adolf Schindling Ag, 6000 Frankfurt, De
DE3827638A1 (de) * 1988-08-16 1990-03-08 Baer Elektrowerke Gmbh & Co Kg Elektrischer schnappschalter
DE4008834C1 (en) * 1990-03-20 1991-07-11 Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De Interrogator for car door lock - has switch trip coupled to cylinder and connected to adjacent control switch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2062928A (en) * 1934-03-02 1936-12-01 Gen Motors Corp Lock switch and armored wire unit
DE1028205B (de) * 1956-06-13 1958-04-17 Pintsch Electro Gmbh Schluesselbetaetigter elektrischer Schalter
DE3434962A1 (de) * 1984-09-22 1986-03-27 Daimler-Benz Ag, 7000 Stuttgart Schlossschalter, insbesondere kfz-tuerschlossschalter
DE3720136A1 (de) * 1986-06-25 1988-01-21 Aisin Seiki Verfahren zum abdichten elektrischer und elektronischer bauteile
GB2207811A (en) * 1987-08-03 1989-02-08 Dom Sicherheitstechnik Key operated switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995024052A1 (fr) * 1994-03-05 1995-09-08 Ivan Skultety Interrupteur

Also Published As

Publication number Publication date
EP0490141A3 (en) 1993-02-10
DE4039443C1 (fr) 1992-06-25
ES2069179T3 (es) 1995-05-01
EP0490141B1 (fr) 1994-12-28

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