GB2107817A - Actuating device for Bowden cables - Google Patents

Actuating device for Bowden cables Download PDF

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Publication number
GB2107817A
GB2107817A GB08223239A GB8223239A GB2107817A GB 2107817 A GB2107817 A GB 2107817A GB 08223239 A GB08223239 A GB 08223239A GB 8223239 A GB8223239 A GB 8223239A GB 2107817 A GB2107817 A GB 2107817A
Authority
GB
United Kingdom
Prior art keywords
actuating
housing
slide
actuating device
drum
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
GB08223239A
Other versions
GB2107817B (en
Inventor
Gerd Tannenlaufer
Peter Fischer
Axel Rauthmann
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.)
Ford Motor Co
Original Assignee
Ford Motor Co
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 Ford Motor Co filed Critical Ford Motor Co
Publication of GB2107817A publication Critical patent/GB2107817A/en
Application granted granted Critical
Publication of GB2107817B publication Critical patent/GB2107817B/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
    • F16C1/10—Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden-mechanisms"
    • F16C1/12—Arrangements for transmitting movement to or from the flexible member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
    • B60H1/00835—Damper doors, e.g. position control
    • B60H1/00857—Damper doors, e.g. position control characterised by the means connecting the initiating means, e.g. control lever, to the damper door

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Mechanical Control Devices (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Lock And Its Accessories (AREA)

Abstract

An actuating device for Bowden cables has the Bowden cable sheath 15, 16 fixed to an actuating housing 1, 2 and the Bowden cable wire 13, 14 connected to a pull-and-push element 4, 5 guided displaceably in the housing. The pull-and-push element is formed by a slide 4, 5 which is guided in the housing for linear movement alongside an actuating drum 6, 7. The drum has a helical track 19, 20 around its circumference which engages a lateral projection 18 on the slide. As the drum is rotated by an actuating knob 8, 9, the slide is drawn linearly along its guide as a result of the engagement. <IMAGE>

Description

SPECIFICATION Actuating device for Bowden cables The invention relates to an actuating device for Bowden cables. The device is particularly, but not exclusively, suitable for use in actuating heating and ventilation flaps in motor vehicles.
An actuating device is already known from German Auslegeschrift 2 405 321, and in this the Bowden cable sheath is fixed to an actuating housing and the Bowden cable wire is connected to a pull-and-push element guided displaceably in the housing. Here, the pull-and-push element is designed as a flexible component which can roll onto an actuating drum.
The known device has the disadvantage that the drum has to be arranged at right angles to the direction of pull on the Bowden cable, and that the cable leaves the drum tangentiaily. Consequently this known actuating device is suitable for use on;y in cases where the axis of rotation for the rotary actuating knob can be arranged transverse'y to the longiudinal axis of the vehicle, in order to allow a favourable path for the Bowden cables to heating and ventilating flaps in front and below.
The present invention therefore seeks to provide an actuating device in which the axis of rotation of the actuating knob can be arranged preferably approximately in the longitudinal direction of the vehicie whilst a favourable path for the Bowden cables e.g. to heating and ventilation flaps in front and below can be arranged.
According to ihe present invention, there is provided an actuating device for Bowden cables, comprising a housing to which a Bowden cable sheath can be secured, a slide within the housing slidable along a fixed path, the slide being adapted to have a Bowden cable wire secured to it, a drum mounted in the housing for rotation beside the path of the slide, the drum having a helical track around its circumference and the slide having a part which engages wiih the track so that as the drum is rotated about its own axis, the slide is constrained to move axially along its path to pull or push the wire relative to the sheath of the Bowden cable.
Because the puli-and-push element attached to the end of the wire is formed by a slide which is guided for linear movement in the housing, a favourable path for the Bowden cable can be arranged.
If a dual guide rail receiving two slides is arranged between two actuating drums which interact with the corresponding slides, two different heating and ventilation flaps can be actuated.
If the screw threads on the actuating drums have both an irregular pitch and/or pitches different from one another, a corresponding desired transmission ratio betvveen rotary movement of each rotary knob and the linear movement on the Bowden cable can be achieved.
If the housing consists of two housing parts which can be locked to one another and into which the internal components can be inserted, an extremely simple assembly is possible.
The invention will now be described further, by way of example, with reference to the accompanying drawings, in which: Figure 1 is a view on a horizontal section through an actuating device according to the invention; Figure 2 is a view on a section along the line Il-Il in Figure 1; Figure 3 is a view in the direction of the arrow III in Figure 2, with the cover part removed; and Figure 4 is an exploded view of components of the actuating device.
The actuating device has a housing formed by a main housing part 1 and a cover 2. There is a guide rail 3, slides 4 and 5 slidable along the rail 3, actuating drums 6 and 7 and actuating knobs 8 and 9. There are also bulb units 10 which enable the knobs 8 and 9 to be illuminated via a fibreoptic rod 11 made of acrylic resin.
The slides 4 and 5 are each provided with devices 12 for fastening the Bowden cable wires 1 3 and 14 to the slides. The Bowden cable sheaths 1 5 and 1 6 are fixed to the housing cover 2 with fastening means 1 7.
The slides 4 and 5 are provided with lateral projections 1 8 which engage with helical tracks 1 9 and 20 which are formed on the surface of the actuating drums 6 and 7, respectively. The actuating drums 6 and 7 each have bearing journals 21 at one end and bearing and actuating journals 22 at the other end.
The journals 21 and 22 are received rotatably in corresponding bearing orifices in the housing 1 and the cover 2 and the knobs 8 and 9 are secured to the journals 22.
When a knob 8 or 9 is turned, the corresponding drum 6 or 7 turns with it. Since the projections 1 8 engage positively with the tracks 19, 20, rotation of the drum produces axial movement of a corresponding slide 4 or 5 along the rail 3. This axial movement pulls or pushes, depending on its direction, on the Bowden cable wire 13 or 14.
As is evident especially from Figure 4, the actuating device shown consists of only a few simple components which can be made of plastic by injection moulding and which can be assembled and interlocked in a simple way.
1. An actuating device for Bowden cables, comprising a housing to which a Bowden cable sheath can be secured, a slide within the housing slidable along a fixed path, the slide being adapted to have a Bowden cable wire secured to it, a drum mounted in the housing for rotation beside the path of the slide, the drum having a helical track around its circumference and the slide having a part which engages with the track so that as the drum is rotated about its own axis, the slide is constrained to move axially along its path to pull or push the wire relative to the sheath of the Bowden cable.
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (5)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Actuating device for Bowden cables The invention relates to an actuating device for Bowden cables. The device is particularly, but not exclusively, suitable for use in actuating heating and ventilation flaps in motor vehicles. An actuating device is already known from German Auslegeschrift 2 405 321, and in this the Bowden cable sheath is fixed to an actuating housing and the Bowden cable wire is connected to a pull-and-push element guided displaceably in the housing. Here, the pull-and-push element is designed as a flexible component which can roll onto an actuating drum. The known device has the disadvantage that the drum has to be arranged at right angles to the direction of pull on the Bowden cable, and that the cable leaves the drum tangentiaily. Consequently this known actuating device is suitable for use on;y in cases where the axis of rotation for the rotary actuating knob can be arranged transverse'y to the longiudinal axis of the vehicle, in order to allow a favourable path for the Bowden cables to heating and ventilating flaps in front and below. The present invention therefore seeks to provide an actuating device in which the axis of rotation of the actuating knob can be arranged preferably approximately in the longitudinal direction of the vehicie whilst a favourable path for the Bowden cables e.g. to heating and ventilation flaps in front and below can be arranged. According to ihe present invention, there is provided an actuating device for Bowden cables, comprising a housing to which a Bowden cable sheath can be secured, a slide within the housing slidable along a fixed path, the slide being adapted to have a Bowden cable wire secured to it, a drum mounted in the housing for rotation beside the path of the slide, the drum having a helical track around its circumference and the slide having a part which engages wiih the track so that as the drum is rotated about its own axis, the slide is constrained to move axially along its path to pull or push the wire relative to the sheath of the Bowden cable. Because the puli-and-push element attached to the end of the wire is formed by a slide which is guided for linear movement in the housing, a favourable path for the Bowden cable can be arranged. If a dual guide rail receiving two slides is arranged between two actuating drums which interact with the corresponding slides, two different heating and ventilation flaps can be actuated. If the screw threads on the actuating drums have both an irregular pitch and/or pitches different from one another, a corresponding desired transmission ratio betvveen rotary movement of each rotary knob and the linear movement on the Bowden cable can be achieved. If the housing consists of two housing parts which can be locked to one another and into which the internal components can be inserted, an extremely simple assembly is possible. The invention will now be described further, by way of example, with reference to the accompanying drawings, in which: Figure 1 is a view on a horizontal section through an actuating device according to the invention; Figure 2 is a view on a section along the line Il-Il in Figure 1; Figure 3 is a view in the direction of the arrow III in Figure 2, with the cover part removed; and Figure 4 is an exploded view of components of the actuating device. The actuating device has a housing formed by a main housing part 1 and a cover 2. There is a guide rail 3, slides 4 and 5 slidable along the rail 3, actuating drums 6 and 7 and actuating knobs 8 and 9. There are also bulb units 10 which enable the knobs 8 and 9 to be illuminated via a fibreoptic rod 11 made of acrylic resin. The slides 4 and 5 are each provided with devices 12 for fastening the Bowden cable wires 1 3 and 14 to the slides. The Bowden cable sheaths 1 5 and 1 6 are fixed to the housing cover 2 with fastening means 1 7. The slides 4 and 5 are provided with lateral projections 1 8 which engage with helical tracks 1 9 and 20 which are formed on the surface of the actuating drums 6 and 7, respectively. The actuating drums 6 and 7 each have bearing journals 21 at one end and bearing and actuating journals 22 at the other end. The journals 21 and 22 are received rotatably in corresponding bearing orifices in the housing 1 and the cover 2 and the knobs 8 and 9 are secured to the journals 22. When a knob 8 or 9 is turned, the corresponding drum 6 or 7 turns with it. Since the projections 1 8 engage positively with the tracks 19, 20, rotation of the drum produces axial movement of a corresponding slide 4 or 5 along the rail 3. This axial movement pulls or pushes, depending on its direction, on the Bowden cable wire 13 or 14. As is evident especially from Figure 4, the actuating device shown consists of only a few simple components which can be made of plastic by injection moulding and which can be assembled and interlocked in a simple way. CLAIMS
1. An actuating device for Bowden cables, comprising a housing to which a Bowden cable sheath can be secured, a slide within the housing slidable along a fixed path, the slide being adapted to have a Bowden cable wire secured to it, a drum mounted in the housing for rotation beside the path of the slide, the drum having a helical track around its circumference and the slide having a part which engages with the track so that as the drum is rotated about its own axis, the slide is constrained to move axially along its path to pull or push the wire relative to the sheath of the Bowden cable.
2. An actuating device according to Claim 1, suitable for actuating two Bowden cables, characterised in that two slides and two drums are provided, the two slides being slidable on a common rail arranged between the two drums.
3. An actuating device according to Claim 2, characterised in that the helical tracks on the actuating drums have irregular and different pitches.
4. An actuating device according to Claim 2 or Claim 3, characterised in that the housing consists of two housing parts which can be engaged with one another and in that the rail, the slides and the actuating drums are placed in the housing with journals of the drums received in appropriate apertures and all these components are held in place by the engaged housing parts.
5. An actuating device for Bowden cables, substantially as herein described with reference to and as illustrated in the accompanying drawings.
GB08223239A 1981-09-16 1982-08-12 Actuating device for bowden cables Expired GB2107817B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813136672 DE3136672C2 (en) 1981-09-16 1981-09-16 Actuating device for Bowden cables, in particular for heating and ventilation flaps in motor vehicles

Publications (2)

Publication Number Publication Date
GB2107817A true GB2107817A (en) 1983-05-05
GB2107817B GB2107817B (en) 1985-02-20

Family

ID=6141764

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08223239A Expired GB2107817B (en) 1981-09-16 1982-08-12 Actuating device for bowden cables

Country Status (2)

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DE (1) DE3136672C2 (en)
GB (1) GB2107817B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434302A1 (en) * 1984-08-01 1986-02-13 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt OPERATING UNIT
DE3444230A1 (en) * 1984-11-30 1986-06-12 Preh, Elektrofeinmechanische Werke Jakob Preh Nachf. Gmbh & Co, 8740 Bad Neustadt ADJUSTMENT
ES2043176T5 (en) * 1990-05-21 1996-06-01 Siemens Ag ACTIVATION DEVICE FOR BOWDEN TRACTION CABLES.
DE9005778U1 (en) * 1990-05-21 1991-04-04 Siemens Ag, 8000 Muenchen Actuating device for adjusting several heating and/or ventilation flaps in a motor vehicle
DE4301833C1 (en) * 1993-01-23 1994-03-17 Daimler Benz Ag Drive arrangement linear transport of chord-like push=pull device - contains worm screws driving slide pieces attached to push=pull device
DE4430311C1 (en) * 1994-08-26 1996-04-25 Buna Sow Leuna Olefinverb Gmbh Moulding cpd. used in intermediate layers for laminated glass
DE10015978A1 (en) * 2000-03-30 2001-10-04 Behr Gmbh & Co Mechanism to set the position of a flap at the air flow channel in a vehicle air conditioning system has a drive motor to rotate a threaded spindle linked to the swing flap to move it into position
DE10204121C1 (en) * 2002-02-01 2003-06-26 Daimler Chrysler Ag Air distributor for motor vehicle interior has housing with air ducts and air nozzles with selective obturators

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE456377C (en) * 1928-02-21 Hoffmann Richard Pulling device for curtains, drapes, etc. like

Also Published As

Publication number Publication date
GB2107817B (en) 1985-02-20
DE3136672C2 (en) 1985-03-07
DE3136672A1 (en) 1983-03-31

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Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee