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
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01C—RESISTORS
  • H01C10/00—Adjustable resistors
  • H01C10/30—Adjustable resistors the contact sliding along resistive element
  • H01C10/32—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
  • H01C10/36—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path structurally combined with switching arrangements
• • 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

Definitions

• Electrode installation device such as rotary switches or rotary control, in particular locking potentiometer
• the present invention relates to an electrical installation device, such as a rotary switch or knob, in particular a Rastpotentiometer, with a cover and with a rotatably mounted actuator, such as a knob that triggers a switching or control process by turning about an adjusting axis, which penetrates the cover , with a first and a second latching element which cooperate resiliently in the direction of the adjusting axis and of which the first latching element is arranged on the actuating member and the second latching element on the cover.
• an electrical installation device such as a rotary switch or knob, in particular a Rastpotentiometer
• a cover and with a rotatably mounted actuator, such as a knob that triggers a switching or control process by turning about an adjusting axis, which penetrates the cover , with a first and a second latching element which cooperate resiliently in the direction of the adjusting axis and of which the first latching element is arranged on the actuating member and the second latching element on the cover
• Such an installation device is known from DE 38 00 956 A1.
• This document describes an electrical switching device for the variable adjustment of the power consumption of electrical consumers, in particular of dimmers and speed stations. It has on its front side a cover and further a switching member which can be controlled by an adjustable by rotating a control axis control member whose adjusting axis penetrates the front cover and is at least positively connected with a rotary knob as an actuator.
• a first locking element rotatably adjustable with the adjusting axis and a second locking element is arranged stationary, both locking elements cooperate resiliently with each other and to change the respective Adjustment of the adjusting axis a the latching resistance between the two locking elements exceeding torque must be expended.
• the first locking element is formed by a projecting from a cylindrical projection of the knob at a predetermined angle resilient strut, which has a spherically refined voles free end, which - in contrast to a second radially latching embodiment - axially latched, that engages in the direction of the adjusting axis in the second latching element.
• the second latching element is formed as a screening by molded into the cover spherical caps, which are formed in a ring shape concentric with the adjusting axis in the cover.
• the present invention has for its object to provide an electrical installation device of the type mentioned in such a way that it has a longer life with a simple structural design and high reliability.
• the electrical installation device to generate an audible click on the rotation of the actuator to indicate the Stelloder switching operation acoustically.
• the first locking element is formed by annularly arranged detent recesses in the actuator and the second detent element as at least one, a detent having spring tongue in the cover.
• the latching elements wherein these are each formed integrally with the cover or the actuating member, which can be manufactured, for example, as plastic molded parts or injection-molded parts.
• the locking elements ie in each case a small axial height of the annularly arranged detent recesses or the locking lug having spring tongues, wherein "low height” is a value of less than 6 mm, preferably less than 3 mm, particularly preferred of less than 1 mm, a high stability and reliability can be achieved, particularly with regard to a clicking sound to be generated upon rotation of the actuator.
• the locking recesses are formed by a formed on a bottom of the actuator spur toothing and / or that the second locking element by two or more, in particular by three mutually offset by 120 ° spring tongues is formed, which may preferably be arranged in a recess, such as a pocket, the cover.
• FIG. 1 is a perspective perspective view of an embodiment of an electrical installation device according to the invention
• FIG. 3 is an enlarged perspective perspective view, a representation of a locking element on a cover of the electrical installation device according to the invention
• an electrical installation device 1 such as a rotary switch or rotary control, in particular a detent potentiometer, has a cover 2 and a rotatably mounted actuating member 3.
• the actuator 3 triggers by twisting (double arrow R) about a control axis X, which penetrates the cover 2, a switching or control process in the electrical installation device 1 according to the invention. This can be realized for example by means of a lying under the cover 2 electrical board.
• Both the cover 2, as well as the actuator 3 may preferably be formed as a molded or injection molded parts and in particular made of plastic.
• inventive electrical installation device 1 is in particular a flush-mounted on a wall installable electrical device, but in which the cover comes to rest in the manner of a frame over the plaster, ie on the wall.
• the actuator 3 is designed as a round pot-like knob with a cylindrical wall and a circular top surface. It is arranged in a, in particular Fig. 2 and 3 in an illustrative manner removable, adapted to its circumference outer contour recess 4 of the cover 2 and guided during rotation.
• the electrical installation device comprises a first locking element 5, which can be seen only in Fig. 4, and a second locking element 6, which Fig. 2 in its entirety and Fig. 3 and 4 each show in a detail.
• the two locking elements 5, 6 act in the direction of the adjusting axis together resiliently, they fix a rotational position of the actuator 3 and generate an audible click when turning the actuator 3, so that the sequence of taking place by turning adjusting or switching operation of an operator acoustically is signaled.
• the first locking element 5 is arranged on the actuating member 3 and the second locking element 6 on the cover 2.
• the first detent element 5 is formed by a plurality of annularly arranged detent recesses 5 in the actuating member 3 and the second detent element on the cover 2 as at least one, a detent 7a, 7b, 7c having spring tongue 6a, 6b, 6c.
• the second locking element 6 is formed by three offset by 120 ° to each other, spring tongues 6a, 6b 6c.
• the spring tongues 6a, 6b, 6c are formed advantageously in low-cost manufacturing manner integrally with the cover 2, being freed from a cover surface 8 of the cover 2, as can be seen in particular in FIG. 3 removable, extending substantially in toyssshchtung column 9a, 9b is illustrated laterally of the spring tongue 6a and the substantially radially extending gap 9c on the end face of the spring tongue 6c.
• the spring tongues 6a, 6b, 6c are thus in a recess 9a / 9b / 9c, such as a bag, the cover 2 and are thus optimally protected against damage.
• the spring tongues 6a, 6b, 6c are further formed in the manner of a leaf spring.
• the slightly convex in the direction of the first locking element 5 toward curved sheet 10 of the spring tongues 6a, 6b, 6c extends in particular substantially in the plane of lying in the recess 4 deck surface 8 of the cover 2. Only the locking lugs 7a, 7b, 7c the spring tongues 6a, 6b, 6c are opposite to the top surface 8 of the cover 2 in the axial direction X on the first locking element 5 ago.
• FIG. 4 shows further details of the first latching element 5 located on the actuating element 3, and on the other hand illustrates how the complementary latching elements 5, 6 of the electrical installation device according to the invention interact with one another.
• Fig. 4 it can be seen that the locking recesses 5 are separated from each other by itself with respect to the adjusting axis X radially extending ribs or teeth 11. As a result, a spur toothing formed on an underside of the actuating member 3 is formed.
• the spur toothing with the latching recesses 5 and the radially extending ribs or teeth 11 in FIG Sinusoid is formed.
• the first locking element 5, which is designed to be movable with the actuating member 3 annularly on the actuating member 3, and the second locking element 6, which is arranged on stationary positions of the cover 2 act on a rotation of the actuating member 3 latching and resilient together.
• excess torque is spent.
• each locking lug 7a, 7b, 7c slides out of the recess 5 in which it is located via a tooth 11 located next to the recess 5 into the next one Well 5, etc., until the end of the turning process is reached.
• the spring tongues 6a, 6b, 6c thereby perform a, in particular oscillating, movement in the direction of the double arrow provided with the reference symbol S in FIG. 4, as a result of which a clicking sound is produced.
• the rotational position of the actuating member 3 is fixed by the respective engagement of a locking lug 7a, 7b, 7c in a recess 5.
• the latching elements 5, 6 can each have an axial height H5, H6 of less than 6 mm, preferably less than 3 mm, particularly preferably less than 1 mm.
• H5 of the first locking elements 5 is - as Fig. 4 shows - the height of the ribs or teeth 11 understood, while at the axial height H6 of the second locking elements 6, the height of the respective locking lugs 7a, 7b, 7c plus the thickness D of the corresponding spring tongues 6a, 6b, 6c is understood.
• the axial heights H5 of the first locking elements 5 have values of less than 3 mm, preferably less than 1 mm, and the axial heights H6 of the second locking elements 6 values of less than 6 mm, preferably less than 3 mm.
• the thickness D of the second locking elements 6 is small compared to the length L and the width B of the locking elements 6. The latter, in particular the length L, have a value which is a multiple of the value of the thickness D.
• the invention is not limited to the exemplary embodiment described, but also encompasses all embodiments which have the same effect in the sense of the invention, as already evident from the above description.
• the spur toothing of the first locking elements 5 of the electrical installation device according to the invention - in contrast to the example shown - also sawtooth-like or formed with another shape.
• the electrical installation device 1 according to the invention does not have to be a flush-mountable device on a wall, but it could also be used in switchboards or electrical appliances such as irons, washing machines, consumer electronics devices, etc.
• Fig. 2 shows a central passage opening 12 in the cover 2 for an actuating shaft of the actuator 3. This is in a dome-like structure 13 of the cover 2, which overlapped in the assembled state of the actuator 3 and is covered.
• a circular arc-shaped groove 14 is provided, in which, for example, a below the inside of the actuator 3 attached cam, the rotational movement of the actuator 3 is guided stop-limiting.
• the invention is not limited to the feature combination defined in claim 1, but may also be defined by any other combination of certain features of all individually disclosed features. This means that in principle virtually every individual feature of claim 1 can be omitted or replaced by at least one individual feature disclosed elsewhere in the application. In this respect, the claim 1 is to be understood only as a first formulation attempt for an invention.

Landscapes

• Engineering & Computer Science (AREA)
• Microelectronics & Electronic Packaging (AREA)
• Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
• Mechanisms For Operating Contacts (AREA)
• Lock And Its Accessories (AREA)
• Centrifugal Separators (AREA)
• Breakers (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

Country Status (6)

Families Citing this family (5)

Family Cites Families (6)

• 2008
  • 2008-03-01 DE DE202008002959U patent/DE202008002959U1/de not_active Expired - Lifetime
• 2009
  • 2009-02-26 AT AT09718341T patent/ATE498897T1/de active
  • 2009-02-26 PL PL09718341T patent/PL2126945T3/pl unknown
  • 2009-02-26 RU RU2010140140/07A patent/RU2510093C2/ru not_active IP Right Cessation
  • 2009-02-26 WO PCT/EP2009/052267 patent/WO2009109508A1/fr active Application Filing
  • 2009-02-26 EP EP09718341A patent/EP2126945B1/fr not_active Not-in-force
  • 2009-02-26 DE DE502009000373T patent/DE502009000373D1/de active Active

Non-Patent Citations (1)

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