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
  • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
  • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
  • F16G11/10—Quick-acting fastenings; Clamps holding in one direction only
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
  • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
  • B60T11/04—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting mechanically
  • B60T11/046—Using cables
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
  • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
  • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
  • B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action
• • 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
• • 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
  • F16C1/16—Arrangements for transmitting movement to or from the flexible member in which the end-piece is guided rectilinearly
• • 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
  • F16H—GEARING
  • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
  • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
  • F16H25/20—Screw mechanisms
  • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T29/00—Metal working
  • Y10T29/49—Method of mechanical manufacture
  • Y10T29/49826—Assembling or joining
  • Y10T29/49908—Joining by deforming
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
  • Y10T403/00—Joints and connections
  • Y10T403/70—Interfitted members

Definitions

• the invention relates to a spindle, in particular as a component of a spindle drive of an electromechanical parking brake of a vehicle. Furthermore, the invention relates to a dacas ⁇ method, in particular for connecting a coupling part with a spindle.
• An electromechanical parking brake replaces the classic handbrake in the vehicle. By eliminating the hand brake lever, the vehicle interior can be redesigned and it can be implemented functions that are otherwise known only from vehicles with automatic transmission. For example, by means of an electromechanical parking brake, it is possible to hold the vehicle on the hill and to automatically release the handbrake when starting up, for example, a parking brake. B. on the mountain.
• the braking force is provided by a motor assembly and transmitted to a spindle drive consisting of a spindle nut and a spindle. From the spindle a Switzerland ⁇ force is transmitted to a cable, which is connected to the actual braking device. To connect the cable with the spindle, it is known that the cable undetachable at the
• a trough-like nipples is provided on the end of the cable pull assigned to the spindle, into which the free end of the spindle can be inserted.
• a nose is provided within the trough-shaped nipple, in a Recess engages the free end of the spindle.
• the invention is therefore based on the object to propose a spindle in which a simple way a standard cable with nipple with the spindle can be releasably attached.
• a further object of the invention is to provide a connection method with which a load-bearing connection between two components can be produced in a simple manner.
• the object is achieved by a spindle having the features of patent claim 1.
• the method the object is achieved with the features of claim 16.
• a Kupp ⁇ ment part is permanently attached to a free end of the spindle.
• the coupling part has at least two sections, namely a receiving section, which is designed such that it is suitable for receiving a nipple of a cable pull, and a fastening section with which the coupling part is fastened to the free end of the spindle ,
• the attachment portion is crimped with the free end portion of the spindle.
• the invention has the advantage that conventional cables that have at their end a thickening (nipple), can be used. As a result, the manufacturing and repair costs are reduced. Due to the detachable attachment a simple replacement of the cable is possible in case of damage.
• Means are designed so that in the end region of the spindle is deviated from a smooth cylindrical shape.
• the end portion of the spindle can be etcbil ⁇ det, for example, as a thread. It is important that the fastening section of the coupling part bears against the structure of the end section during the pressing, so that a positive connection is achieved.
• an additional sleeve is provided around the attachment portion, which in turn is crimped with the attachment portion, so that a crimping of at least three components, namely the sleeve, the attachment portion and the Endab ⁇ cut the Spindle results.
• the provision of the sleeve prevents the re-expansion of the attachment portion of the coupling part.
• the sleeve is made of steel.
• Compression takes place from the outside by the action of force in the radial direction with the aid of, for example, six pressing jaws distributed over the circumference.
• the coupling part is formed as, preferably one-piece, punched bent part, wherein the mounting portion is formed from two opposite, identical part shells.
• the sleeve formed by the partial shells is not completely closed, but the partial shells are spaced apart by a slot in order to facilitate the Aufschie ⁇ ben on the free end portion of the spindle.
• a recess is provided for the cable to pass through.
• the recess is designed such that insertion of the cable is possible radially to the pulling direction.
• the lugs are dimensioned and designed such that the steel cable comes to rest on the imaginary longitudinal center axis of the spindle.
• the nipple of the cable is applied to the inside of the front wall of the receiving portion at the edge of the recess.
• a torsional seal is provided which can be connected in a rotationally fixed manner to the coupling part.
• the anti-rotation device cooperates with the housing of the spindle drive and thus forms a torque support.
• the rotation is formed as an oval plastic part, which is pushed onto the coupling part and there rests against a stop.
• a first component for example a previously described stamped and bent part, is arranged such that it partially encloses a second component, for example a spindle.
• a second component for example a spindle.
• the first component with sei ⁇ NEM, preferably sleeve-shaped, attachment portion is pushed onto the second component.
• at least one sleeve is provided, which is arranged such that it at least partially surrounds the attachment portion of the first component. In the case of a sleeve, this can be achieved by pushing the sleeve onto the fastening section of the first component before pushing the first component onto the second component. After the sleeve has been arranged accordingly, is from the outside to the sleeve in the radial
• Fig. 5 spindle and coupling part (crimped).
• the spindle 1 is a threaded spindle, which is in engagement with a drivable spindle nut 2.
• the Spindle nut 2 is formed of metal and has a Jerusalem ⁇ sprayed gear 3, which is part of a transmission 4 and is in operative connection with an electric motor 5.
• a cable (Bowden cable) 6 is provided.
• the cable 6 is detachably connected to a non-releasably connected to the spindle 1 coupling part 7.
• the coupling part 7 is designed as a stamped and bent part and has a receiving section 8 for receiving an end-side nipple 9 of the cable 6 and a fastening section 10 which is crimped with the free end section 11 of the spindle 1 by radial pressure.
• Within the receiving portion 8 of the hexagonal in this embodiment in cross-section nipple 9 of the cable 6 is added.
• the receiving portion 8 consists essentially of two opposite, paralle ⁇ len side walls 12, 13, which surround the nipple laterally with little play.
• the two side walls 12, 13 are connected to each other on the front side facing away from the spindle 1 by means of a front wall 14.
• a slot-shaped recess 15 is provided, which is open to one side, to allow threading of the Nip ⁇ pels 9 in the receiving portion 8.
• the nipple 9 is centered in the receiving portion 8, so that the cable 6 and an imaginary, imaginary longitudinal center axis of the spindle 1, not shown, are aligned in order to avoid the occurrence of non-axial force components.
• the length of the recess 15 is dimensioned such that the cable comes to rest in a corresponding, centered position.
• a lateral movement of the cable is prevented by the voltage applied to the cable so ⁇ walls 12, 13 of the receiving portion 8.
• two lugs 16, 17 are provided, which are bent in the direction of the spindle 1 and thus provide a prevent movement of the nipple 9 and thus the cable 6 from the Ausneh ⁇ tion 15 out. This results in a centering of the nipple 9 and thus the cable 6 in the mentioned, opti ⁇ paint position.
• the nipple 9 rests against the inside of the front wall 14 with its end face facing the cable 6.
• the lugs 16, 17 also prevent the nipple 9 from sliding out of the receiving section 8 which is open on two sides.
• the insertion and removal of the nipple 9 into the receiving section 8 is possible only with a relaxed cable pull 6. in which the nipple 9 is inserted from a slightly oblique direction into the receiving section, cable 6 coming to rest in the recess 15. It is important that the receiving portion 8 is longer than the nipple 9.
• the receiving section 8 merges into the sleeve-shaped fastening section 10.
• the fastening section 10 consists of two opposite shells 18, 19.
• the inner diameter of the fastening section is dimensioned so that the fastening section can be pushed open during assembly, before crimping on the free end section 11 of the spindle 1.
• the free end portion 11 of the spindle 1 is structured to improve the durability of the connec tion between the coupling part and the spindle 1.
• the structure is formed by two rings 20, which are spaced apart in the axial direction of the spindle and are raised in the radial direction.
• a sleeve 21 To the sleeve-shaped mounting portion 10 of the coupling part 7 around a sleeve 21 is provided made of steel, which has been pushed onto the shells 18, 19. By radial, distributed over the circumference, force, the sleeve 21 with the mounting portion 10 and this in turn with the free End portion 11 of the spindle 1 crimped. In the crimping process, the material of the fastening portion 10 flows into the recess 22 between the rings 20, so that a positive fit is produced.
• the sleeve 21 also adapts to this structure. By providing the rings 20, a means for improved absorption of the axial force is provided, whereby the connection between coupling part 7 and spindle 1 becomes considerably more durable.
• a further improvement of the connection is achieved by the sleeve 21, which prevents re-expansion of the coupling part 7 designed as a stamped and bent part.
• the arrows 23 in FIG. 5 represent schematically the radial compression force of the crimping tool 24.
• a twist-proof device 26 made of plastic is provided.
• the contour of the VerF ⁇ fuse 26 is oval and cooperates with a recess, not shown, in the spindle housing 25.
• the rotation 26 is rotatably connected to the coupling part 7.
• the anti-rotation device 26 has a central through-opening 27, by means of which it can be pushed onto the coupling part 7 before the sleeve 21 is attached.
• four abutment edges 28 are provided.
• the procedure is such that initially a sleeve 21 is displaced onto the fastening section 10 of a first component (coupling part 7), whereupon the first component (coupling part 7) engages with the fastening section 10 on the second component (free
• connection can be substantially improved by providing means 20 for improved reception of an axial force component on the second component, with which the fastening section 10 forms a positive connection after crimping.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Health & Medical Sciences (AREA)
• Oral & Maxillofacial Surgery (AREA)
• Transportation (AREA)
• Flexible Shafts (AREA)
• Transmission Devices (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=35149121

Family Applications (1)

Country Status (5)

Families Citing this family (6)

Family Cites Families (20)

• 2004
  • 2004-11-12 DE DE102004054864A patent/DE102004054864A1/de not_active Ceased
• 2005
  • 2005-09-10 EP EP05783058A patent/EP1809522A1/de not_active Withdrawn
  • 2005-09-10 CN CNB2005800386025A patent/CN100564120C/zh not_active Expired - Fee Related
  • 2005-09-10 US US11/667,560 patent/US20080142317A1/en not_active Abandoned
  • 2005-09-10 WO PCT/EP2005/009753 patent/WO2006050770A1/de active Application Filing

Non-Patent Citations (1)

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