EP1304714B1 - Electric switch - Google Patents
Electric switch Download PDFInfo
- Publication number
- EP1304714B1 EP1304714B1 EP02009267A EP02009267A EP1304714B1 EP 1304714 B1 EP1304714 B1 EP 1304714B1 EP 02009267 A EP02009267 A EP 02009267A EP 02009267 A EP02009267 A EP 02009267A EP 1304714 B1 EP1304714 B1 EP 1304714B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switch
- guide
- guide gate
- housing
- switch housing
- 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
Links
- 238000013016 damping Methods 0.000 claims description 14
- 239000013013 elastic material Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/02—Details
- H01H19/10—Movable parts; Contacts mounted thereon
- H01H19/11—Movable parts; Contacts mounted thereon with indexing means
- H01H19/115—Movable parts; Contacts mounted thereon with indexing means using molded elastic parts only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H2011/0081—Apparatus or processes specially adapted for the manufacture of electric switches using double shot moulding, e.g. for forming elastomeric sealing elements on form stable casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
Definitions
- the invention relates to an electrical switch with a switch housing, one on this mounted handle, one inside the switch housing arranged, locking recesses and having a guide the handle part coupled, guided by the guide link spring-loaded Curve follower, whereby by the interaction of the curve follower with the Guide link and their recesses the switch positions of the switch are defined.
- the invention provides an electrical switch in which the Switching noises are reduced and not due to their spectral composition attract attention.
- the guide link points to the Damping elements embedded damping elements made of elastic material on.
- the curve follower therefore does not bump, at least in the locking positions directly on the wall of the guide link, as this is there through the stored damping elements is covered.
- the damping elements are preferably made of an elastomer material in two-component injection molding technology manufactured.
- the guide link is on one separate guide part formed with the switch housing through a layer is decoupled from elastic material. Since the switching noise on the Guide part have their origin is a damping of the coupling between Guide part and switch housing in the sense of further noise reduction very effective.
- the invention is particularly advantageous in the case of a rotary switch applied, especially in a light switch for vehicles.
- FIG. 1 A general part belongs to the control unit of the electric rotary switch cylindrical region of a switch housing 10, one as a rotary lever formed grip part 12, which is non-rotatably on a coaxial in the switch housing 10 arranged switching shaft 14 is coupled, and a surrounding the handle member 12 and the open end of the switch housing 10 overlapping ring diaphragm 16.
- the Switch housings are two diametrically opposed guide pieces 18, 20 arranged from plastic.
- Each guide piece 18, 20 has in its inner circumferential surface, designated 18a in FIG. 2, with a guide link several guideways, which are designated in Figure 2 with 18b and 18c.
- the guideways 18b and 18c have a common section and two from this branched track sections at different heights.
- the control shaft 14 carries two diametrically opposite, radial Each cam carrier is loaded radially outwards by a compression spring Locking cams, 21 in Figure 1, which forms a curve follower and in the guideways the shifting gate of the guide part 18 arranged opposite or 20 is running.
- a compression spring Locking cams 21 in Figure 1
- the compression spring By the compression spring, the locking cam 21 against the wall of the Leadership backdrop pressed.
- the guideways are 18b, 18c of the guide link at the three provided at this switch Locking positions each with a locking recess in the one Damping element 22, 24, 26 is embedded from elastomer material. Furthermore, the Outer circumference of the guide parts 18, 20 with a damping layer 28 Provide elastomer material.
- the damping elements 22, 24, 26 and the Damping layer 28 with the guide part 18 and 20 in Two-component injection molding technology made of plastic.
- Wall parts are formed in the switch housing 10, between which the guide parts 18, 20 are inserted. A touch between them Wall parts and the guide parts only take place via the damping layer 28 instead of.
Description
Die Erfindung betrifft einen elektrischen Schalter mit einem Schaltergehäuse, einem an diesem gelagerten Griffteil, einer im Inneren des Schaltergehäuses angeordneten, Rastausnehmungen aufweisenden Führungskulisse und einem mit dem Griffteil gekoppelten, durch die Führungskulisse geführten federbelasteten Kurvenfolger, wobei durch das Zusammenwirken des Kurvenfolgers mit der Führungskulisse und deren Rastausnehmungen die Schaltstellungen des Schalters definiert sind.The invention relates to an electrical switch with a switch housing, one on this mounted handle, one inside the switch housing arranged, locking recesses and having a guide the handle part coupled, guided by the guide link spring-loaded Curve follower, whereby by the interaction of the curve follower with the Guide link and their recesses the switch positions of the switch are defined.
Das Dokument DE 31 49 944 offenbart einen Scholter gemäß dem Oberbegriff des Anspruchs 1.Document DE 31 49 944 discloses a Scholter according to the preamble of claim 1.
Elektrische Schalter, bei denen die verschiedenen Schaltstellungen exakt und mechanisch stabil eingenommen werden müssen, sind beispielsweise Lichtschalter in Fahrzeugen. Durch das Einrasten des Griffteils in den verschiedenen Schaltstellungen wird dem Bediener ferner eine haptische Rückmeldung über den erfolgreichen Schaltvorgang vermittelt. Der Kurvenfolger wird durch eine Andrückfeder mit erheblicher Kraft gegen die Wand der Führungskulisse gedrückt, um einen positiven Einrastvorgang und stabile Rastpositionen zu gewährleisten. Die Schaltvorgänge werden allerdings von einem auffälligen Schaltgeräusch begleitet, das der Qualitätsanmutung abträglich ist. Electrical switches in which the different switching positions are exact and are mechanically stable, for example Light switches in vehicles. By snapping the handle part into the different switching positions, the operator is also a haptic Provided feedback on the successful switching process. The curve follower is pressed against the wall by a pressure spring with considerable force Guide link pressed to a positive engagement and stable To ensure rest positions. The switching operations are, however, by accompanied by a striking switching noise that detracts from the quality impression is.
Durch die Erfindung wird ein elektrischer Schalter geschaffen, bei dem die Schaltgeräusche reduziert sind und durch ihre spektrale Zusammensetzung nicht unangenehm auffallen. Gemäß der Erfindung weist die Führungskulisse an den Rastausnehmungen eingelagerte Dämpfungselemente aus elastischem Material auf. Der Kurvenfolger stößt daher zumindest in den Rastpositionen nicht unmittelbar an der Wand der Führungskulisse an, da diese dort durch die eingelagerten Dämpfungselemente abgedeckt ist. Die Dämpfungselemente werden vorzugsweise aus einem Elastomermaterial in Zwei-Komponenten-Spritzgießtechnik hergestellt.The invention provides an electrical switch in which the Switching noises are reduced and not due to their spectral composition attract attention. According to the invention, the guide link points to the Damping elements embedded damping elements made of elastic material on. The curve follower therefore does not bump, at least in the locking positions directly on the wall of the guide link, as this is there through the stored damping elements is covered. The damping elements are preferably made of an elastomer material in two-component injection molding technology manufactured.
Bei der bevorzugten Ausführungsform ist die Führungskulisse an einem separaten Führungsteil gebildet, das mit dem Schaltergehäuse durch eine Schicht aus elastischem Material entkoppelt ist. Da die Schaltgeräusche an dem Führungsteil ihren Ursprung haben, ist eine Bedämpfung der Kopplung zwischen Führungsteil und Schaltergehäuse im Sinne einer weiteren Geräuschreduzierung sehr wirksam.In the preferred embodiment, the guide link is on one separate guide part formed with the switch housing through a layer is decoupled from elastic material. Since the switching noise on the Guide part have their origin is a damping of the coupling between Guide part and switch housing in the sense of further noise reduction very effective.
Mit besonderem Vorteil wird die Erfindung bei einem Drehschalter angewendet, insbesondere bei einem Lichtschalter für Fahrzeuge.The invention is particularly advantageous in the case of a rotary switch applied, especially in a light switch for vehicles.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der folgenden Beschreibung einer bevorzugten Ausfuhnrngsform unter Bezugnahme auf die beigefugten Zeichnungen. In den Zeichnungen zeigen:
- Figur 1 einen axialen Teilschnitt eines elektrischen Drehschalters;
- Figur 2 eine vergrößerte Perspektivansicht eines Führungsteils des Drehschalters; und
- Figur 3 einen radialen Schnitt des in Figur 2 gezeigten Führungsteils.
- 1 shows a partial axial section of an electrical rotary switch;
- Figure 2 is an enlarged perspective view of a guide member of the rotary switch; and
- 3 shows a radial section of the guide part shown in Figure 2.
Von dem elektrischen Drehschalter ist in Figur 1 nur der Bedienteil dargestellt.
Zu dem Bedienteil des elektrischen Drehschalters gehort ein allgemein
zylinderförmiger Bereich eines Schaltergehäuses 10, ein als Drehhebel
ausgebildetes Griffteil 12, das drehfest an einer koaxial im Schaltergehäuse 10
angeordneten Schaltwelle 14 angekoppelt ist, und eine das Griffteil 12 umgebende
und das offene Ende des Schaltergehäuses 10 übergreifende Ringblende 16. In das
Schaltergehäuse sind zwei einander diametral gegenüberliegende Führungsstücke
18, 20 aus Kunststoff angeordnet. Jedes Führungsstück 18, 20 weist in seiner
inneren Umfangsfläche, in Figur 2 mit 18a bezeichnet, eine Führungskulisse mit
mehreren Führungsbahnen auf, die in Figur 2 mit 18b und 18c bezeichnet sind.
Die Führungsbahnen 18b und 18c haben einen gemeinsamen Abschnitt und zwei
von diesem verzweigte, auf verschiedener Höhe gelegene Bahnabschnitte.Of the electrical rotary switch, only the operating part is shown in FIG. 1.
A general part belongs to the control unit of the electric rotary switch
cylindrical region of a
Die Schaltwelle 14 trägt zwei einander diametral gegenüberliegende, radiale
Nockenträger mit je einem radial auswärts durch eine Druckfeder belasteten
Rastnocken, 21 in Figur 1, der einen Kurvenfolger bildet und in den Führungsbahnen
der Schaltkulisse des gegenüberliegend angeordneten Führungsteils 18
bzw. 20 läuft. Durch die Druckfeder wird der Rastnocken 21 gegen die Wand der
Führungskulisse gedrückt.The
Wie besonders deutlich in Figur 2 dargestellt ist, sind die Führungsbahnen
18b, 18c der Führungskulisse an den drei bei diesem Schalter vorgesehenen
Rastpositionen mit je einer Rastausnehmung versehen, in der ein
Dämpfungselement 22, 24, 26 aus Elastomermaterial eingelagert ist. Ferner ist der
Außenumfang der Führungsteile 18, 20 mit einer Dämpfungsschicht 28 aus
Elastomermaterial versehen. Die Dämpfungselemente 22, 24, 26 sowie die
Dämpfungsschicht 28 werden mit dem Führungsteil 18 bzw. 20 in
Zweikomponenten-Spritzgießtechnik aus Kunststoff hergestellt.As is particularly clearly shown in FIG. 2, the guideways are
18b, 18c of the guide link at the three provided at this switch
Locking positions each with a locking recess in the one
In dem Schaltergehäuse 10 sind Wandungsteile ausgebildet, zwischen denen
die Führungsteile 18, 20 eingesetzt sind. Eine Berührung zwischen diesen
Wandungsteilen und den Führungsteilen findet nur über die Dämpfungsschicht 28
statt.Wall parts are formed in the
Durch die eingelagerten Dämpfungselemente 22, 24, 26 werden die
Schaltvorgange beim Einrasten der Rastnocken 21 an den Rastvertiefungen stark
bedämpft. Zusätzlich wird die Schallübertragung von den Führungsteilen 18, 20
auf das Schaltergehäuse 10 durch die Dämpfungsschicht 28 bedämpft. Durch
diese Maßnahmen wird nicht nur der absolute Schaltgeräuschpegel abgesenkt; es
wird auch eine günstige spektrale Zusammensetzung des Schaltgeräuschs erreicht,
so daß dieses nicht störend in Erscheinung tritt.Due to the embedded
Claims (5)
- An electric switch with a switch housing, a knob part (12) mounted on said housing, a guide gate (18a) arranged inside the switch housing and having latching recesses, and a spring-loaded cam follower (21) guided by the guide gate and coupled to the knob part, interaction of the cam follower with the guide gate and with its latching recesses defining the switching positions of the switch, characterized in that the guide gate has damping elements (22, 24, 26) made of elastic material and embedded in the latching recesses.
- The switch according to Claim 1, characterized in that the guide gate is formed on a separate guide part that is uncoupled from the switch housing by means of a layer of elastic material.
- The switch according to Claim 1 or 2, characterized in that the elastic material consists of an elastomer.
- The switch according to any of the preceding claims, characterized in that the embedded damping elements are made by means of a two-component injection moulding technique.
- The switch according to any of the preceding claims, characterized in that the knob part is coupled to an axle mounted rotatably in the switch housing and the guide gate is arranged coaxially with this axle.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20117282U | 2001-10-22 | ||
DE20117282U DE20117282U1 (en) | 2001-10-22 | 2001-10-22 | Electrical switch |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1304714A1 EP1304714A1 (en) | 2003-04-23 |
EP1304714B1 true EP1304714B1 (en) | 2004-07-21 |
Family
ID=7963126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02009267A Expired - Lifetime EP1304714B1 (en) | 2001-10-22 | 2002-04-26 | Electric switch |
Country Status (6)
Country | Link |
---|---|
US (1) | US6680450B2 (en) |
EP (1) | EP1304714B1 (en) |
JP (1) | JP3733088B2 (en) |
CN (1) | CN1202540C (en) |
BR (1) | BRPI0204283B1 (en) |
DE (2) | DE20117282U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005062283B4 (en) | 2005-12-24 | 2023-06-22 | Kostal Automobil Elektrik Gmbh & Co. Kg | Electrical switch |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20212255U1 (en) * | 2002-08-08 | 2002-12-19 | Trw Automotive Electron & Comp | The multifunctional pushbutton switch |
US20070140897A1 (en) * | 2005-12-21 | 2007-06-21 | Hongna Wang | Ph stable biguanide composition and method of treatment and prevention of infections |
US20070142478A1 (en) * | 2005-12-21 | 2007-06-21 | Erning Xia | Combination antimicrobial composition and method of use |
FR2939236B1 (en) * | 2008-11-28 | 2011-04-29 | Thales Sa | DATA ENTRY DEVICE WITH IMPROVED TOUCH SENSATION |
DE102009048330A1 (en) * | 2009-10-06 | 2011-04-07 | Behr-Hella Thermocontrol Gmbh | Control unit for component i.e. ventilation, heating and/or air-conditioning component, of vehicle, has latching projection formed as rolling body with peripheral region, where rolling body is formed of sound-absorbing material at region |
CN106653447B (en) * | 2017-01-25 | 2019-04-02 | 罗江祺 | A kind of knob with damping structure and the household electrical appliance upper cover using the knob |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE644457C (en) | 1937-05-03 | Elektrotechnische Ind Gust Gie | Electric rotary switch | |
DE640268C (en) | 1936-12-28 | Elektrotechnische Ind | Electric rotary switch | |
US3711669A (en) * | 1972-01-28 | 1973-01-16 | Cutler Hammer Inc | Switch having a shock-proof lighted toggle switch |
DE3141550C2 (en) * | 1981-10-20 | 1983-12-01 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Miniature rotary switch |
DE3149944C2 (en) * | 1981-12-17 | 1985-12-12 | SWF Auto-Electric GmbH, 7120 Bietigheim-Bissingen | Electric switch, in particular for motor vehicles |
DE3727495C1 (en) * | 1987-08-18 | 1988-11-24 | Kostal Leopold Gmbh & Co Kg | Latching device for electrical switches |
DE3834390C1 (en) * | 1988-10-10 | 1989-12-07 | Leopold Kostal Gmbh & Co Kg, 5880 Luedenscheid, De | |
US5418530A (en) * | 1991-05-31 | 1995-05-23 | Compaq Computer Corporation | Key with silent return movement |
DE10063385A1 (en) | 1999-12-23 | 2001-06-28 | Marquardt Gmbh | Electric switch, in particular, for a motor vehicle comprises a stop profile which is attached to the operating element and interacts with a catch consituted as a leaf spring attached to the switch housing |
US6419068B1 (en) * | 2000-10-24 | 2002-07-16 | Ford Global Technologies, Inc. | Park gear damper for an automatic transmission for an automotive vehicle |
-
2001
- 2001-10-22 DE DE20117282U patent/DE20117282U1/en not_active Expired - Lifetime
-
2002
- 2002-04-26 DE DE50200654T patent/DE50200654D1/en not_active Expired - Lifetime
- 2002-04-26 EP EP02009267A patent/EP1304714B1/en not_active Expired - Lifetime
- 2002-04-30 US US10/135,234 patent/US6680450B2/en not_active Expired - Lifetime
- 2002-07-16 JP JP2002206512A patent/JP3733088B2/en not_active Expired - Fee Related
- 2002-10-18 CN CNB021472289A patent/CN1202540C/en not_active Expired - Fee Related
- 2002-10-18 BR BRPI0204283A patent/BRPI0204283B1/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005062283B4 (en) | 2005-12-24 | 2023-06-22 | Kostal Automobil Elektrik Gmbh & Co. Kg | Electrical switch |
Also Published As
Publication number | Publication date |
---|---|
BRPI0204283B1 (en) | 2016-05-10 |
CN1202540C (en) | 2005-05-18 |
JP3733088B2 (en) | 2006-01-11 |
US20030075430A1 (en) | 2003-04-24 |
BR0204283A (en) | 2003-09-16 |
EP1304714A1 (en) | 2003-04-23 |
JP2003132755A (en) | 2003-05-09 |
US6680450B2 (en) | 2004-01-20 |
DE50200654D1 (en) | 2004-08-26 |
DE20117282U1 (en) | 2002-02-28 |
CN1414585A (en) | 2003-04-30 |
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