WO2018171854A1 - Electrical device comprising a plug - Google Patents

Electrical device comprising a plug Download PDF

Info

Publication number
WO2018171854A1
WO2018171854A1 PCT/EP2017/056488 EP2017056488W WO2018171854A1 WO 2018171854 A1 WO2018171854 A1 WO 2018171854A1 EP 2017056488 W EP2017056488 W EP 2017056488W WO 2018171854 A1 WO2018171854 A1 WO 2018171854A1
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
plug
housing
bracket
cap
Prior art date
Application number
PCT/EP2017/056488
Other languages
French (fr)
Inventor
Claus Viethen
Original Assignee
HELLA GmbH & Co. KGaA
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 HELLA GmbH & Co. KGaA filed Critical HELLA GmbH & Co. KGaA
Priority to PCT/EP2017/056488 priority Critical patent/WO2018171854A1/en
Publication of WO2018171854A1 publication Critical patent/WO2018171854A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24423—Mounting means or means for restraining during shipping
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/245—Housings for sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
    • G01D2205/60—Means for precisely aligning or centering the disk of a rotary encoder, e.g. fitting jigs
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/3473—Circular or rotary encoders
    • G01D5/34738—Axles; Driving or coupling means

Definitions

  • the invention is directed to an electrical device comprising a housing, to which a plug is attached, where the plug is for connecting the device to electrical and/or electronic sources, movable means arranged in the housing and fixing means for temporarily fixing the movable means (2) in a predefined position of mounting.
  • Such electrical devices are e.g. conventional electrical motors, linear motors, linear motors or sensors. They are generally known in the art and used for different purposes especially for motor vehicles.
  • the devices are normally manufactured by ancillary industry. To avoid damage of contact pins or dirt the plug often is protected by a cap. In some cases the movable means need to be in a predefined position for mounting. This is achieved by separate temporary fixing means.
  • the invention is directed especially to a sensor for determining a relative angle of rotation comprising a housing, to which a plug is attached, electrical/electronic means for the determination of the angle of rotation, a shaft being pivoted in the housing and being in functional connection with the electrical/electronic means and means for temporarily fixing the shaft in a predefined rotational position of mounting.
  • Those sensors are generally known in the art and used for different purposes especially for motor vehicles. For example mechanical pedals for acceleration, braking and/or activating a clutch are more and more replaced by electro-mechanical pedals where a signal representing a relative position of the pedal is produced and used to control an adequate function.
  • the sensor is used for e.g. pedals where a pedal arm including its means for bearing and fixing are manufactured separately from the sensor. In these cases the sensor is mounted to the pedal after or prior having fixed the pedal to the car body. To easy the mounting of the sensor to the pedal and to assure its correct working conditions the shaft of the sensor has to be in a predefined rotational position of mounting. Separate means for fixing the shaft in that position are known in the art.
  • the object is solved b y an electrical device according to claim 1 where the means for fixing comprise a protection cap for the plug. That means that the means for fixing and the cap are combined at least partially. By that only one single piece has to manufactured, placed with the electrical device for transport and mounting to a final destination and removed after that mounting. Cost for the production and assembly of the electrical device as well as for mounting are reduced.
  • the movable means is a shaft (2) rotatably mounted in the housing.
  • the electrical device can be functionally coupled easily e.g. to a device of which a (relative or absolute) rotational position is to be determined.
  • a bracket is attached to the protection cap which is directed to the shaft when mounted and which acts for blocking the shaft.
  • the bracket is formed with the cap and can easily fix the shaft when the cap is closing the plug.
  • a tappet radially to the shaft is fixed to the shaft or to the lever arm, the tappet corresponding to an opening of the bracket. This arrangement is easily to be handled when fixing the position of the shaft.
  • a second opening corresponding to the bracket is arranged in the shaft or in the lever arm. Material consumption is minimised and manual aligning the bracket and the opening is easy.
  • the shaft is rotationally tensioned.
  • Figure 1 shows a very schematic side view of a sensor of which a shaft is not fixed in a predefined mounting position
  • Figure 2 the sensor of figure 1 using the means for fixing according to the invention
  • Figure 3 a detail showing the sensor of figure 3 from a side directed to the pedal
  • Figure 4 an alternative embodiment of the means for fixing in a very schematic view
  • Figure 5 the implementation of the invention in a device comprising a linear movable part.
  • a sensor for determining a relative angle of rotation comprises a housing 1 and a shaft 2 pivoted in and extending from the housing 1 .
  • electrical/electronic means for the determination of the angle of rotation are arranged. They comprise a stator formed on a circuit board and a rotor in a predefined short distance from and parallel to the stator.
  • the circuit board is fixed within the housing whereas the rotor is rotatably relative to the stator. Electrical structures of the rotor and the stator are made e.g. of conductors which are arranged concentrically.
  • the circuit board is electrically connected to a plug 3 which is formed integrally with the housing 1 . The plug 3 extends outwardly from the housing 1 .
  • the rotor is fixed to a first end of the shaft 2.
  • the shaft 2 is rotationally tensioned by elastic means, e.g. by a helical spring 4.
  • a second end of the shaft 2 extends out of the housing 1 .
  • a lever arm 5 is fixed to the second end of the shaft 2 to have a torque proof connection here.
  • the lever arm 5 is defined to be moved about an axis of the shaft 2 by an assigned element of which a relative rotational position has to be determined. A movement of the element is transferred by the lever arm 5 to the shaft 2 and by that to the rotor.
  • the plug 3 can be covered by a cap 6.
  • the cap 6 comprises a bracket 7 extending at an open end of the cap 6 from a side wall in a direction of the shaft 2 when the cap 6 is on the plug 3.
  • the cap 6 and the bracket 7 are made in one single piece.
  • the bracket 7 is at least partially parallel to the respective side wall of the cap 6.
  • a longitudinal first opening 8 is arranged in a free end of the bracket 7 - that is the end of the bracket 7 opposite the open end of the cap 6 - .
  • the first opening 8 is fit for receiving and blocking a tappet 9.
  • the tappet 9 according to figures 1 and 2 is a part of the lever arm 5 extending from the shaft 2 opposite the part to be moved for sensing. As can be seen in figure 2 the lever arm 5 and by that the shaft 2 is rotationally fixed by the bracket 7.
  • the tappet 9 is directly allocated to the shaft 2.
  • the tappet 9 is positioned at the shaft 2 or at the lever arm 5 such that the shaft is in a predefined position when fixed by the bracket 7. By that the determination of the rotational position can be adjusted when manufacturing the sensor.
  • the sensor as shown in figure 3 is advantageously used with a pedal.
  • the pedal is used for operating e.g. a clutch of a motor vehicle.
  • the pedal comprises a pedal arm, a carrier and the sensor described above.
  • the pedal arm has at its lower end a plate for operation and is pivoted in the carrier at an upper end.
  • the sensor is fixed to the carrier such that the axis of the shaft 2 is coaxial with the pivot of the pedal arm.
  • the lever arm 5 is in connection with the pedal arm to be moved simultaneously with the first.
  • the carrier is fixed to a car body.
  • the tappet 9 is here in the form of a tongue and formed in one piece with the lever arm 5.
  • the tappet 9 is radial to the shaft 2 and arranged at a predefined annular position such that the sensor is in a zero position when the lever arm 5 is fixed in the mounting position.
  • the plug 3 is closed by the cap 6 and by that the bracket 7 is rotationally fixing the tappet 9 wherein the first opening 8 is laterally enclosing the tappet 9.
  • the sensor is fixed to the carrier and by that to the pedal by means of a mounting plate and screws.
  • the sensor and the pedal are manufactured and pre-assembled at different places and assembled in a car factory.
  • the mounting plate is fixed to the housing 1 by e.g. screws.
  • the lever arm 5 is turned to the predefined position and then the plug 3 is closed by the cap 6 wherein the opening 8 laterally encloses the tappet 9
  • the bracket 7 temporarily fixes the lever arm 5 and the shaft 2 in the predefined rotational position.
  • An embodiment of the invention according to a second example shown in figure 4 differs from the first one in the following:
  • a second opening 15 instead of the tappet 9 is arranged in the second end of the shaft 2 or in a region of the lever arm 5 around the shaft 2.
  • the second opening 15 is radial to the axis of the shaft 2 and arranged at a predefined annular position such that the sensor is in a zero position when the shaft 2 or the lever arm 5 is fixed in the mounting position.
  • the bracket 7 is formed without the first opening 8 and to fit over a part of its length at its free end into the second opening 15.
  • the bracket 7 is slightly tapered at its free end to easy its introduction into the second opening 15 when closing the plug 3 with the cap 6.
  • Example 3 Linear Actor
  • the invention is used in an electrical device, for example an electrical linear motor, comprising a linear movable part 1 6.
  • the linear movable part 1 6 is mounted in a housing 1 to be axially movable therein in a longitudinal direction and to be preloaded by elastic means as for example by a spring 4.
  • a plug 3 is formed to the housing 1 to open perpendicularly to the axis of the housing 1 and by that also to the linear movable part 1 6. For protection during transport and mounting the plug 3 is temporarily covered by a cap 6.
  • the cap 6 comprises a bracket 7 extending at an open end of the cap 6 from a side wall in a direction of the shaft 2 when the cap 6 is on the plug 3.
  • the cap 6 and the bracket 7 are made in one single piece.
  • the bracket 7 is at least partially parallel to the respective side wall of the cap 6.
  • a longitudinal first opening 8 is arranged in a free end of the bracket 7 - that is the end of the bracket 7 opposite the open end of the cap 6 - .
  • a tappet 9 is fixed to the linear movable part 1 6 at a position that defines a predefined relative position of the linear movable part 1 6 in the housing 1 when the tappet 9 is fixed by the bracket 7.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Control Devices (AREA)

Abstract

The invention is directed to an electrical device comprising a housing (1), to which a plug (3) is attached, where the plug (3) is for connecting the device to electrical and/or electronic sources, movable means arranged in the housing (1) and fixing means for temporarily fixing the movable means (2) in a predefined position of mounting. The aim of the invention is to provide an electrical device with improved means for temporarily fixing the movable means (2) and for protecting the plug (3). This is achieved by that the means for fixing comprise a protection cap (6) for the plug (3).

Description

Electrical Device Comprising a Plug
Description
The invention is directed to an electrical device comprising a housing, to which a plug is attached, where the plug is for connecting the device to electrical and/or electronic sources, movable means arranged in the housing and fixing means for temporarily fixing the movable means (2) in a predefined position of mounting.
Such electrical devices are e.g. conventional electrical motors, linear motors, linear motors or sensors. They are generally known in the art and used for different purposes especially for motor vehicles.
The devices are normally manufactured by ancillary industry. To avoid damage of contact pins or dirt the plug often is protected by a cap. In some cases the movable means need to be in a predefined position for mounting. This is achieved by separate temporary fixing means.
The invention is directed especially to a sensor for determining a relative angle of rotation comprising a housing, to which a plug is attached, electrical/electronic means for the determination of the angle of rotation, a shaft being pivoted in the housing and being in functional connection with the electrical/electronic means and means for temporarily fixing the shaft in a predefined rotational position of mounting.
Those sensors are generally known in the art and used for different purposes especially for motor vehicles. For example mechanical pedals for acceleration, braking and/or activating a clutch are more and more replaced by electro-mechanical pedals where a signal representing a relative position of the pedal is produced and used to control an adequate function.
The sensor is used for e.g. pedals where a pedal arm including its means for bearing and fixing are manufactured separately from the sensor. In these cases the sensor is mounted to the pedal after or prior having fixed the pedal to the car body. To easy the mounting of the sensor to the pedal and to assure its correct working conditions the shaft of the sensor has to be in a predefined rotational position of mounting. Separate means for fixing the shaft in that position are known in the art.
It is also well known to use protection caps for plugs to avoid dirt and/or damage of contact pins.
It is the object of the invention to provide an electrical device with improved means for temporarily fixing a shaft and for protecting a plug.
The object is solved b y an electrical device according to claim 1 where the means for fixing comprise a protection cap for the plug. That means that the means for fixing and the cap are combined at least partially. By that only one single piece has to manufactured, placed with the electrical device for transport and mounting to a final destination and removed after that mounting. Cost for the production and assembly of the electrical device as well as for mounting are reduced.
The dependent claims relate to advantageous embodiments of the invention.
In an embodiment the movable means is a shaft (2) rotatably mounted in the housing. By that the electrical device can be functionally coupled easily e.g. to a device of which a (relative or absolute) rotational position is to be determined.
In an other embodiment a bracket is attached to the protection cap which is directed to the shaft when mounted and which acts for blocking the shaft. The bracket is formed with the cap and can easily fix the shaft when the cap is closing the plug.
In a further embodiment a tappet radially to the shaft is fixed to the shaft or to the lever arm, the tappet corresponding to an opening of the bracket. This arrangement is easily to be handled when fixing the position of the shaft. In an other embodiment a second opening corresponding to the bracket is arranged in the shaft or in the lever arm. Material consumption is minimised and manual aligning the bracket and the opening is easy.
In an other embodiment the shaft is rotationally tensioned. By that a mechanical clearance between e.g. a sensor and an assigned element is avoided or at least minimised.
The invention will be explained in more detail using the enclosed schematic drawings. Therein:
Figure 1 shows a very schematic side view of a sensor of which a shaft is not fixed in a predefined mounting position,
Figure 2 the sensor of figure 1 using the means for fixing according to the invention, Figure 3 a detail showing the sensor of figure 3 from a side directed to the pedal, Figure 4 an alternative embodiment of the means for fixing in a very schematic view and
Figure 5 the implementation of the invention in a device comprising a linear movable part.
Example 1 (Sensor)
As shown in figures 1 and 2 a sensor for determining a relative angle of rotation comprises a housing 1 and a shaft 2 pivoted in and extending from the housing 1 .
In the housing 1 electrical/electronic means for the determination of the angle of rotation (not shown) are arranged. They comprise a stator formed on a circuit board and a rotor in a predefined short distance from and parallel to the stator. The circuit board is fixed within the housing whereas the rotor is rotatably relative to the stator. Electrical structures of the rotor and the stator are made e.g. of conductors which are arranged concentrically. The circuit board is electrically connected to a plug 3 which is formed integrally with the housing 1 . The plug 3 extends outwardly from the housing 1 .
The rotor is fixed to a first end of the shaft 2. The shaft 2 is rotationally tensioned by elastic means, e.g. by a helical spring 4. A second end of the shaft 2 extends out of the housing 1 . A lever arm 5 is fixed to the second end of the shaft 2 to have a torque proof connection here. The lever arm 5 is defined to be moved about an axis of the shaft 2 by an assigned element of which a relative rotational position has to be determined. A movement of the element is transferred by the lever arm 5 to the shaft 2 and by that to the rotor.
As shown in figure 2 the plug 3 can be covered by a cap 6. The cap 6 comprises a bracket 7 extending at an open end of the cap 6 from a side wall in a direction of the shaft 2 when the cap 6 is on the plug 3. The cap 6 and the bracket 7 are made in one single piece. The bracket 7 is at least partially parallel to the respective side wall of the cap 6. In a free end of the bracket 7 - that is the end of the bracket 7 opposite the open end of the cap 6 - a longitudinal first opening 8 is arranged.
The first opening 8 is fit for receiving and blocking a tappet 9. The tappet 9 according to figures 1 and 2 is a part of the lever arm 5 extending from the shaft 2 opposite the part to be moved for sensing. As can be seen in figure 2 the lever arm 5 and by that the shaft 2 is rotationally fixed by the bracket 7.
In an alternative embodiment the tappet 9 is directly allocated to the shaft 2.
The tappet 9 is positioned at the shaft 2 or at the lever arm 5 such that the shaft is in a predefined position when fixed by the bracket 7. By that the determination of the rotational position can be adjusted when manufacturing the sensor.
The sensor as shown in figure 3 is advantageously used with a pedal. The pedal is used for operating e.g. a clutch of a motor vehicle. The pedal comprises a pedal arm, a carrier and the sensor described above. The pedal arm has at its lower end a plate for operation and is pivoted in the carrier at an upper end. The sensor is fixed to the carrier such that the axis of the shaft 2 is coaxial with the pivot of the pedal arm. The lever arm 5 is in connection with the pedal arm to be moved simultaneously with the first. The carrier is fixed to a car body.
As shown in figure 3 the tappet 9 is here in the form of a tongue and formed in one piece with the lever arm 5. The tappet 9 is radial to the shaft 2 and arranged at a predefined annular position such that the sensor is in a zero position when the lever arm 5 is fixed in the mounting position. The plug 3 is closed by the cap 6 and by that the bracket 7 is rotationally fixing the tappet 9 wherein the first opening 8 is laterally enclosing the tappet 9.
The sensor is fixed to the carrier and by that to the pedal by means of a mounting plate and screws.
As already described the sensor and the pedal are manufactured and pre-assembled at different places and assembled in a car factory.
For pre-assembling the sensor the mounting plate is fixed to the housing 1 by e.g. screws. The lever arm 5 is turned to the predefined position and then the plug 3 is closed by the cap 6 wherein the opening 8 laterally encloses the tappet 9 By that the bracket 7 temporarily fixes the lever arm 5 and the shaft 2 in the predefined rotational position.
In the car factory the sensor is fixed to the pedal. For that the pedal arm 5 is put in an operational connection with the pedal arm and the mounting plate is screwed to the carrier. This is very easy because of the predefined rotational position of the lever arm 5 by that perfectly fitting to the pedal.
The pedal with the sensor is fixed to the car body. Then the cap 6 is removed from the plug 3 by that releasing the tappet 9 and allowing the lever arm 5 to rotate with the pedal arm. An electrical connector is put into the plug 3 to connect the sensor to a controller. Example 2 (Sensor)
An embodiment of the invention according to a second example shown in figure 4 differs from the first one in the following:
For the rotational fixing of the shaft 2 and if applicable of the lever arm 5 a second opening 15 instead of the tappet 9 is arranged in the second end of the shaft 2 or in a region of the lever arm 5 around the shaft 2. The second opening 15 is radial to the axis of the shaft 2 and arranged at a predefined annular position such that the sensor is in a zero position when the shaft 2 or the lever arm 5 is fixed in the mounting position.
The bracket 7 is formed without the first opening 8 and to fit over a part of its length at its free end into the second opening 15. Preferably the bracket 7 is slightly tapered at its free end to easy its introduction into the second opening 15 when closing the plug 3 with the cap 6.
For the rest of example 2 the description of example 1 is valid accordingly. Example 3 (Linear Actor)
In example 3 shown in figure 5 the invention is used in an electrical device, for example an electrical linear motor, comprising a linear movable part 1 6. The linear movable part 1 6 is mounted in a housing 1 to be axially movable therein in a longitudinal direction and to be preloaded by elastic means as for example by a spring 4.
A plug 3 is formed to the housing 1 to open perpendicularly to the axis of the housing 1 and by that also to the linear movable part 1 6. For protection during transport and mounting the plug 3 is temporarily covered by a cap 6.
Similar to the first example the cap 6 comprises a bracket 7 extending at an open end of the cap 6 from a side wall in a direction of the shaft 2 when the cap 6 is on the plug 3. The cap 6 and the bracket 7 are made in one single piece. The bracket 7 is at least partially parallel to the respective side wall of the cap 6. In a free end of the bracket 7 - that is the end of the bracket 7 opposite the open end of the cap 6 - a longitudinal first opening 8 is arranged.
A tappet 9 is fixed to the linear movable part 1 6 at a position that defines a predefined relative position of the linear movable part 1 6 in the housing 1 when the tappet 9 is fixed by the bracket 7.
List of reference numbers
1 housing
2 shaft
3 plug
4 spring
5 lever arm
6 cap
7 bracket
8 first opening
9 tappet
15 second opening
16 linear movable part

Claims

Claims
1 . Electrical device comprising
a housing (1 ), to which a plug (3) is attached, where the plug (3) is for connecting the device to electrical and/or electronic sources,
movable means arranged in the housing (1 ) and
fixing means for temporarily fixing the movable means (2) in a predefined position of mounting,
characterised in that the fixing means comprise a protection cap (6) for the plug (3).
2. Device according to claim 1 characterised in that the movable means is a shaft (2) rotatably mounted in the housing (1 ).
3. Device according to claim 2 characterised in that a lever arm (5) is fixed in a torque proof manner to an end of the shaft (2) protruding from the housing (1 ).
4. Device according to one of the claims 1 to 3 characterised in that a bracket (7) is attached to the protection cap (6) being directed to the shaft (2) when the cap (6) is mounted and acting for blocking the shaft (2).
5. Device according to claim 2 or 3 characterised in that a tappet (9) radially to the shaft (2) is fixed to the shaft (2) or to a lever arm (5), the tappet (9) corresponding to a first opening (8) of the bracket (7).
6. Device according to claim 2 or 3 characterised in that a second opening (15) corresponding to the bracket (7) is arranged in the shaft (2) or in a lever arm (5).
7. Device according to one of the claims 2 to 6 characterised in that the shaft (2) is rotationally tensioned.
PCT/EP2017/056488 2017-03-20 2017-03-20 Electrical device comprising a plug WO2018171854A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/056488 WO2018171854A1 (en) 2017-03-20 2017-03-20 Electrical device comprising a plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2017/056488 WO2018171854A1 (en) 2017-03-20 2017-03-20 Electrical device comprising a plug

Publications (1)

Publication Number Publication Date
WO2018171854A1 true WO2018171854A1 (en) 2018-09-27

Family

ID=58461272

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/056488 WO2018171854A1 (en) 2017-03-20 2017-03-20 Electrical device comprising a plug

Country Status (1)

Country Link
WO (1) WO2018171854A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5562466A (en) * 1994-03-09 1996-10-08 Alps Electric Co., Ltd. Rotary connector
JPH11278179A (en) * 1998-03-27 1999-10-12 Yazaki Corp Electric connection unit for steering
JP2001135443A (en) * 1999-11-10 2001-05-18 Niles Parts Co Ltd Rotating connector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5562466A (en) * 1994-03-09 1996-10-08 Alps Electric Co., Ltd. Rotary connector
JPH11278179A (en) * 1998-03-27 1999-10-12 Yazaki Corp Electric connection unit for steering
JP2001135443A (en) * 1999-11-10 2001-05-18 Niles Parts Co Ltd Rotating connector

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