WO2015111834A1 - Dispositif d'orientation de boucle - Google Patents

Dispositif d'orientation de boucle Download PDF

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Publication number
WO2015111834A1
WO2015111834A1 PCT/KR2014/011264 KR2014011264W WO2015111834A1 WO 2015111834 A1 WO2015111834 A1 WO 2015111834A1 KR 2014011264 W KR2014011264 W KR 2014011264W WO 2015111834 A1 WO2015111834 A1 WO 2015111834A1
Authority
WO
WIPO (PCT)
Prior art keywords
cable
buckle
housing
coupled
flexible tube
Prior art date
Application number
PCT/KR2014/011264
Other languages
English (en)
Inventor
Dong Sub Lee
Chan Ki Moon
Original Assignee
Autoliv Development Ab
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 Autoliv Development Ab filed Critical Autoliv Development Ab
Priority to DE112014006231.6T priority Critical patent/DE112014006231B4/de
Publication of WO2015111834A1 publication Critical patent/WO2015111834A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/02—Semi-passive restraint systems, e.g. systems applied or removed automatically but not both ; Manual restraint systems
    • B60R22/03—Means for presenting the belt or part thereof to the wearer, e.g. foot-operated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R22/20—Anchoring devices adjustable in position, e.g. in height
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/18—Anchoring devices
    • B60R2022/1806—Anchoring devices for buckles

Definitions

  • the present invention relates to a buckle presenter capable of transferring a buckle head of a vehicle seat belt system to a desired position.
  • a buckle presenter of a seat belt for a vehicle which lifts the buckle head from a lower holding position to an upper presenting position before a belt tongue is inserted into the buckle head, has been known.
  • the buckle presenter allows an occupant to easily insert the belt tongue into the buckle head at the upper presenting position. After the belt tongue is inserted into the buckle head, the buckle head returns to the lower holding position from the upper presenting position and the belt tongue is maintained at the lower holding position while the occupant is seated in the vehicle.
  • the buckle presenter is configured such that the buckle head is locked at the lower holding position to prevent the occupant wearing the seat belt from being suddenly moved to the front part of the vehicle, and the buckle head is prevented from being moved upward.
  • the buckle presenter includes a cable which connects a driving device to the buckle head.
  • Patent Document 1 DE1034189
  • An object of the present invention is to provide a buckle presenter which is capable of strongly supporting a buckle head at a desired position.
  • An object of the present invention is to provide a buckle presenter having an improved cable support structure such that a lower end part of a buckle head is supported while the cable support structure is moved together with the cable when the buckle head is transferred.
  • An object of the present invention is to provide a buckle head presenter which is capable of enabling a component built in a buckle head to have an electrical connection and strongly supporting a cable which transfers the buckle head such that the buckle head can be supported at a desired position without being shaken in all directions.
  • An object of the present invention is to provide a buckle presenter which is capable of preventing abrasion of a cable and dispersing supporting strength of the cable so as to safely perform a transfer operation of the cable.
  • An object of the present invention is to provide a buckle presenter which is capable of coupling a spindle nut and a slider connected to a cable integrally.
  • An object of the present invention is to provide a buckle presenter which is capable of improving a connection structure of a slider connected to a cable and a housing.
  • a buckle presenter includes a housing fixedly installed at a predetermined location, at least one cable forward and backward movably installed within the housing along a length direction of the housing to pass through the housing and having a front end to which a buckle head is coupled, a slider coupled to a rear end of the cable and slidably installed within the housing, a driving unit coupled to the slider to move the slider forward and backward, a motor that provides power to drive the driving unit and has a motor shaft, a redirection unit installed at a front end of the housing to change a transfer direction of the cable, a flexible tube coupled between the redirection unit and the buckle head to be stretched or compressed along the transfer direction of the cable, and a cable support unit coupled to an outer circumference of the cable between the flexible tube and the buckle head.
  • the cable support unit may be configured such that an upper end portion of the cable support unit makes contact with a lower end portion of the buckle head.
  • the cable support unit may include a cable fixing member fitted on the outer circumference of the cable and inserted into the flexible tube, and a cover member that prevents the cable fixing member from being separated from the flexible tube.
  • the buckle presenter may further comprise a curl cable arranged in the flexible tube to enclose the cable, and the curl cable may include at least one electrical wire inserted therein for an electrical connection of a component built in the buckle head.
  • the cable fixing member may include a first cable fixing member fitted on the outer circumference of the cable along a direction perpendicular to a length direction of the cable, and a second cable fixing member fitted into the first cable fixing member, and wherein the first cable fixing member may include a curl cable hole such that one end of the curl cable passes through the curl cable hole.
  • the slider may include a slide cover configured to receive the spindle nut therein and be coupled to a rear end of the cable, a cable clamp fitted on the rear end of the cable, and a slide block fitted into the slide cover such that the cable clamp passes through the slide block, and wherein the slide block may include a spindle hole formed therein such that the spindle passes through the spindle hole, and clamp holes arranged at both sides of the spindle hole such that the cable clamp passes through the clamp holes.
  • the slide cover may be provided at lateral sides thereof with guide protrusions, and the housing may be provided at inner surfaces thereof with guide rails such that the guide protrusions are slidably inserted into the guide rails.
  • the redirection unit may comprise a redirection case installed between the flexible tube and the front end of the housing; and a cable protector installed in the redirection unit such that the cable passes through the cable protector, and wherein the cable protector may be configured such that a front end of the cable protector is inserted into the curl cable.
  • the lower end of the buckle head is strongly supported by the cable support unit having predetermined supporting strength and provided at the front end of the cable to which the buckle head is connected, thereby strongly supporting the buckle head.
  • the component built in the buckle head can have an electrical connection, and the cable is prevented from being shaken in all directions by the curl cable enclosing the outer circumference of the cable, thereby strongly supporting the buckle head at the desired position.
  • the spindle nut is integrally mounted in the slider coupled to the rear end of the cable, thereby making a compact product and restraining the spindle nut even though an external load is applied to the spindle nut in a longitudinal direction of the spindle such that the spindle is prevented from being rotated.
  • At least two strands of the cable are supported at a predetermined distance through the cable guide member and the slide block, thereby dispersing the supporting strength of the cable. As a result, the cables are smoothly transferred.
  • the cable protector of the redirection unit which changes the transfer direction of the cable is made of a soft material, thereby reducing abrasion of the cable.
  • the slider is smoothly transferred by the guide rails formed in the inner surfaces of the housing and the guide protrusions protruding from the lateral sides of the slide cover.
  • a contact area between the slide cover and the housing is reduced by a plurality of ribs protruding from the inner surface of the housing, thereby reducing frictional resistance between the slide cover and the housing and smoothly performing a transfer operation of the cable.
  • FIG 1 is a perspective view showing the entire buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 2 is a partially exploded perspective view of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 3 is a perspective view showing a cable support unit of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 4 is an exploded perspective view showing a cable support unit of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 5 is an exploded perspective view showing a cable fixing member of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 6 is a perspective view showing a curl cable of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 7 is a partially exploded perspective view showing a redirection unit of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 8 is a partially exploded view showing a cable protector of a redirection unit of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 9 is a partially exploded view showing a slider of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 10 is a partially exploded view showing a state in which a cable clamp and a slide block of a buckle presenter according to an exemplary embodiment of the present invention are separated.
  • FIG. 11 is a partially exploded view showing a tube bracket of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 12 is a bottom perspective view of a buckle presenter according to an exemplary embodiment of the present invention.
  • FIG. 13 is a cross-sectional view showing a housing of a buckle presenter according to an exemplary of the present invention.
  • directions along which a cable is transferred within a housing are defined as forward and backward directions, and directions which are perpendicular to the forward and backward directions are defined as upward and downward directions.
  • FIG 1 is a perspective view showing the entire buckle presenter according to an exemplary embodiment of the present invention.
  • FIG.1 shows a state in which a buckle head 3 is positioned at a performance position P1.
  • a buckle presenter 1 moveably supports a buckle head 3 connected to a belt tongue 5 of a seat belt 4 between an extension position P2 and a performance position P1 or a restriction position P3.
  • a belt tongue 5 is inserted into the buckle head 3 connected to the seat belt 4 to be latched.
  • the belt tongue 5 is latched in the buckle head 3 such that an occupant is restrained by the seat belt 4.
  • the occupant easily recognizes the buckle head 3 and connects the belt tongue 5 to the buckle head 3.
  • the seat belt 4 is pulled just before an emergency situation, such as an emergency brake or a skid so as to protect the occupant.
  • the buckle head 3 is usually positioned at the performance position P1.
  • an occupied state is sensed by a not shown sensing means, and the buckle presenter 1 is operated to lift the buckle head 3 to the extension position P2.
  • the buckle presenter 1 When the occupant inserts the belt tongue 5 into the buckle head 3 in such an extension state, the buckle presenter 1 is operated to enable the buckle head 3 to return to the performance position P1, and the occupant is restrained by the seat belt 4.
  • the buckle presenter 1 When an emergency situation, such as the emergency brake, or the skid is occurred, the buckle presenter 1 is operated through a signal from a sensor which senses the emergency situation so as to lower the buckle head 3 from the performance position P1 to the restriction position P3. As a result, the seat belt is pulled to protect the occupant.
  • an emergency situation such as the emergency brake, or the skid
  • the performance position P1, the extension position P2, and the restriction position P3 are described so as to raise understanding of the exemplary embodiment of the present invention.
  • the transfer position of the buckle head 3 is not limited to them, but various modifications may be realized.
  • FIG. 2 is a partially exploded perspective view of a buckle presenter according to an exemplary embodiment of the present invention.
  • the buckle presenter 1 includes a housing 10, a cable 20, a slider 30, a driving unit 40, a motor 50, a redirection unit 60, a flexible tube 70, a cable support unit 80, and a bracket unit 90.
  • the housing 10 is comprised of a hollow member having a predetermined length.
  • the housing 10 is fixedly mounted at a predetermined position adjacent to the vehicle seat through the bracket unit 90.
  • the housing 10 may be mounted to a seat frame or a vehicle body structure.
  • the cable 10 is forward and backward moveably installed within the housing 10 along a length direction of the housing 10 to pass through the housing 10 and has a front end to which the buckle head 8 is coupled.
  • the cable 20 may be comprised of at least one strand. In the below descriptions, the cable 20 comprised of two strands will be described.
  • the slider 30 is coupled to a rear end of the cable 20 and forward and backward slidably installed in the housing 10.
  • the driving unit 40 includes a spindle 41 which is longitudinally installed in the housing 10 along the length direction of the housing 10 and has both ends which are rotatably supported and a spindle nut 43 screwed onto an outer surface of the spindle 41 to move forward and backward according to a rotation direction of the spindle 41 and coupled to the slider 30.
  • the motor 50 provides power to rotate the spindle 41.
  • a motor shaft 51 of the motor 50 is arranged on a rotation axis A of the spindle 41, and a pinion gear 53 is coupled to the motor shaft 51.
  • a gear groove 41b is formed in the rear end surface of the spindle 41 such that the pinion gear 53 is inserted into the gear groove 41b.
  • the pinion gear 53 is forcedly fitted on the motor shaft 51.
  • the bracket unit 90 includes a tube bracket 91 and a motor bracket 93.
  • the tube bracket 91 is coupled between the redirection unit 60 and the flexible tube 70 and fixedly mounted to the vehicle body structure or the seat frame.
  • the motor bracket 93 is coupled to rear end of the housing 10 and fixedly mounted to the vehicle body structure or the seat frame.
  • the motor bracket 93 is provided at a central portion thereof with a spindle hole 93a such that the rear end portion 41a of the spindle 41 passes through the spindle hole 93a to be supported.
  • a spindle bush 52 is coupled to the spindle hole 93a to rotatably support the spindle 41.
  • a motor case 55 is installed between the motor bracket 93 and motor 50.
  • a rear bearing 57 is installed in the motor case 55 to rotatably support the rear end part of the spindle 41.
  • a rotation magnet 45 is installed in the rear end portion 41a of the spindle 41, and a hall sensor 47 is installed at one side of the motor case 55 to correspond to a rotation path of the rotation magnet 45.
  • the hall sensor 47 senses strength of the magnetic field of the magnet 45 upon rotation of the spindle 41 so as to check the number of rotations of the spindle 41.
  • the speed of lifting and lowering the buckle head 3 can be adjusted by checking the number of rotations.
  • the redirection unit 60 is installed at the front end of the housing 10 to change the forward and backward movement of the cable 20 into upward and downward movement, and vice versa.
  • the flexible tube 70 is installed between the front end of the redirection unit 60 and the buckle head 3 and comprised of a hollow member such that the cable 20 passes through the flexible tube 70.
  • the flexible tube 70 includes a plurality of wrinkle portions 71 to be stretched or compressed along the transfer direction of the cable 20 and is made of a rubber material.
  • the cable support unit 80 is installed between the front end of the flexible tube 70 and the buckle head 3, and fitted on an outer circumference of the cable 20.
  • the cable support unit 80 reinforces the supporting strength of the cable 20 to prevent the cable 20 from being bent.
  • FIG. 3 is a perspective view showing a cable support unit of a buckle presenter according to an exemplary embodiment of the present invention
  • FIG. 4 is an exploded perspective view showing a cable support unit of a buckle presenter according to an exemplary embodiment of the present invention.
  • the cable 20 is comprised of two strands by bending the middle portion thereof in a ring shape.
  • the cable support unit 80 includes a cable fixing member 81 fitted on the outer circumference of the cable 20.
  • the ring shaped portion 21 of the cable 20 protrudes out of the upper portion of the cable fixing member 81.
  • the cable fixing member 81 is fitted into the flexible tube 70.
  • Fixing protrusions 81h protrude from an outer circumference of the cable fixing member 81, and fixing holes 72 are formed in the flexible tube 70 such that 7 the fixing protrusions 81h are inserted into the fixing holes 72.
  • the cable support unit 80 further includes a cover member 83 fitted on the outer circumference of the flexible tube 70 into which the cable fixing member 81 is inserted.
  • the cover member 83 is configured such that the ring shaped portion 21 of the cable 20 passes through the cover member 83.
  • the cover member 83 is fitted on the outer circumference of the flexible tube 70 to apply pressure to the fixing protrusions 81h inserted into the fixing holes 72 of the flexible tube 70.
  • An upper end portion of the flexible tube 70 has a polygonal cross-section, such as a square cross-section, and upper end portions of the cable fixing member 81 and cover member 81 have square cross-sections to correspond to the flexible tube 70.
  • FIG. 5 is an exploded perspective view showing a cable fixing member of a buckle presenter according to an exemplary embodiment of the present invention.
  • the cable fixing member 81 includes a first cable fixing member 81a fitted on the outer circumference of one side of the connection piece 23 along a direction perpendicular to a length direction of the cable 20 and a second cable fixing member 81b fitted on the outer circumference of the other side of the connection piece 23 to face the first cable fixing member 81a.
  • the ring shaped portion 21 of the cable 20 may be coupled to an inner portion of the buckle head 3 through a rivet.
  • a curl cable 85 is fitted around the lower portion of the connection piece 23 of the cable 20.
  • the curl cable 85 encloses the cable 20 by a predetermined length to support the cable 20, thereby preventing the cable 20 from being bent due to a weight of the buckle head 3. That is, the curl cable 85 reinforces the supporting strength of the cable 20.
  • the first fixing member 81a includes a cable hole 81c corresponding to the outer surface of the connection piece 23. Insertion grooves 81d are formed at inner both sides of the first fixing member 81a, and insertion protrusions 81e are formed in outer both sides of the second fixing member 81b to be fitted into the insertion grooves 81d.
  • a curl cable hole 81f is formed at a side of the cable hole 81c of the first cable fixing member 81a to withdraw one end of the curl cable 85 toward the buckle head 3.
  • the cable support unit 80 strongly makes contact with the lower part of the buckle head 3 while being transferred with the cable 20 so as to support the buckle head 3.
  • FIG. 6 is a perspective view showing a curl cable of a buckle presenter according to an exemplary embodiment of the present invention.
  • the curl cable 85 is configured in a helical coil shape such that the cable 20 passes through the curl cable 85.
  • the curl cable 85 has a tube shape made of a rubber material and includes at least one electrical wire 85a inserted therein to transmit an electrical signal.
  • the electrical wire 85a is electrically connected to a sensor or indicating lamp provided in the buckle head 3 for transmitting the electrical signal.
  • the sensor may be configured to detect whether the belt tongue 5 is inserted into the buckle head 3 or not.
  • the indicating lamp may be configured to be turned on when the belt tongue 5 is inserted into the buckle head 3.
  • the curl cable 85 supports the cable 20 strongly to maintain the buckle head 3 at the desired position without being shaken. In addition, the curl cable 85 protects the electrical wire 85a withdrawn from the buckle head 3.
  • the buckle head 3 When the cable 20 is withdrawn from the housing 10 and moved upward, the center of gravity of the buckle head 3 is moved upward. At this time, the flexible cable 20 may be bent due to a weight of the buckle head 3. Likewise, when the buckle head 3 is not strongly supported, for example, while the vehicle is moving, the buckle head 3 is shaken in all directions due to various vibrations from the vehicle. As the withdrawn length of the cable 20 grows longer, the motion of the buckle head 3 becomes larger.
  • the curl cable 85 encloses the cable 20 such that the supporting strength of the cable 20 is increased, thereby preventing the buckled head 3 from being shaken in all directions.
  • FIG. 7 is a partially exploded perspective view showing a redirection unit of a buckle presenter according to an exemplary embodiment of the present invention
  • FIG. 8 is a partially exploded view showing a cable protector of a redirection unit of a buckle presenter according to an exemplary embodiment of the present invention.
  • the redirection unit 60 includes a redirection case 61 installed between the flexible tube70 and the housing 10 and a cable protector 63 installed in the redirection case 61 to guide the movement of the cable 20 and prevent abrasion of the cable 20.
  • Each of the redirection case 61 and cable protector 63 has a curved shape in which a width becomes narrower as it goes upward. Strands of the cable 20 become closer to each other as they go toward the upper portion of the cable protector 63 by the cable protector 63.
  • the redirection case 61 may be made of a metallic material, such as an aluminum material, and the cable protector 63 may be made of a soft material, such as a synthetic resin material.
  • the redirection case 61 includes upper and lower cases 61a and 61b.
  • the upper and lower cases 61a and 61b include connection portion 61c formed at upper ends thereof such that the connection portion 61c can be fitted on an outer circumference of a lower end portion of the flexible tube 70.
  • the lower end portion of the flexible tube 70 has a polygonal column shape, such as a square column shape, and the connection portion 61c of the redirection case 61 has also the square column shape.
  • a coupling screw boss portion 61d is formed in the lower case 61b, and a coupling hole 61e is formed in the upper case 61a to correspond to the coupling screw boss portion 61d.
  • a curl cable withdrawal hole 61f is formed at an upper portion of the lower case 61b such that the curl cable 85 is withdrawn through the curl cable withdrawal hole 61f.
  • the front end portion of the cable protector 63 is inserted into the curl cable 85, and the rear end of the cable protector 63 has a concave groove 63a to be fitted on the outer circumference of the coupling screw boss portion 61d of the lower case 61b.
  • the cable protector 63 is configured to change the transfer direction of the cable 20, is made of a softer material to relatively reduce the abrasion of the cable 20.
  • the cable protector 63 changes the forward and backward movement of the cable 20 into upward and downward movement of the cable 20, and vice versa.
  • the lower end of the cable protector 63 is supported by the coupling screw boss portion 61d, and the upper end of the cable protector 63 is fitted into the curl cable 85 such that the curl cable 85 is supported at a predetermined position in the flexible tube 70, thereby improving the supporting strength of the cable 20.
  • the supporting strength of the cable 20 is improved through the cable support unit 80 and/or the curl cable 85, thereby strongly supporting the buckle head 3 at the desired position.
  • FIG. 9 is a partially exploded view showing a slider of a buckle presenter according to an exemplary embodiment of the present invention
  • FIG. 10 is a partially exploded view showing a state in which a cable clamp and a slide block of a buckle presenter according to an exemplary embodiment of the present invention are separated.
  • the slider 30 includes a slide cover 31 to which the rear end of the cable 20 is supported and a spindle nut 41 is disposed therein, a cable clamp 33 fitted on the rear end of the cable 20, and a slide block 35 fixedly fitted into the slide cover 31 to support the cable clamp 33.
  • a locking step 33a is formed at the rear end portion of the cable clamp 33.
  • the slide block 35 includes a spindle hole 35a formed at a central portion thereof such that the spindle 41 passes through the spindle hole 35a and a clamp hole 35b formed at both sides of the spindle hole 35b in the slide block 35 such that the cable clamp 33 is inserted into the clamp hole 35b.
  • the slide cover 31 includes a block groove 31d such that the slide block 35 is inserted into the block groove 31 and a clamp groove 31e such that the cable clamp 33 is mounted in the clamp groove 31e.
  • a cable guide member 101 is installed at the rear end of the redirection unit 60.
  • the cable guide member 101 is formed at a central portion thereof with a front bearing hole 101a such that a front bearing 103 supporting the front end portion of the spindle 41 is inserted into the front bearing hole 101a.
  • Cable holes 101b are formed at both sides of the front bearing hole 101a such that the cable 20 passes through the front cable holes 101b.
  • FIG. 11 is a partially exploded view showing a tube bracket of a buckle presenter according to an exemplary embodiment of the present invention.
  • a tube bracket 91 is coupled to a circumference of an upper end portion of the redirection unit 60 coupled to the flexible tube 70 and fixed to a seat frame or a vehicle body structure.
  • the tube bracket 91 includes a connection portion 91a fitted on the outer surface of the upper end portion of the redirection unit 60, support portions 91b perpendicularly protruding from the both sides of the connection portion 91a, and a pressurization portion 91c obliquely protruding from the connection portion 91a between the support portions 91b for pressurizing the upper surface of the redirection unit 60.
  • FIG. 12 is a bottom perspective view of a buckle presenter according to an exemplary embodiment of the present invention.
  • a slide magnet 105 is installed in the slide cover 31.
  • the slide magnet 105 is arranged at an inner bottom corresponding to the spindle nut 43 of the slide cover 31.
  • a plurality of hall sensors is arranged at the bottom portion corresponding to a movement path of the slide magnet 105 in the housing 10.
  • Three hall sensors 107 may be arranged at the bottom portion of the housing 10 at predetermined intervals.
  • the hall sensors 107 are arranged to sense the extension position, the performance position, and the restriction position of the buckle head 3.
  • the hall sensor 107 is configured to allow the voltage to be changed depending on the magnetic field strength, and senses the magnetic field of the slide magnet 105.
  • the hall sensor 107 generates a signal when the slide magnet 105 approaches the hall sensor 107.
  • FIG. 13 is a cross-sectional view showing a housing of a buckle presenter according to an exemplary of the present invention.
  • Guide rails 14 are formed at inner lateral surfaces of the housing 10, and guide protrusions 31h are formed at outer lateral surfaces of the slide cover 31 to be slidably inserted into the guide rails 14. Through these configurations, the slide cover 31 can be moved within the housing 10 forward and backward stably.
  • a rib 15 is formed at inner surfaces of the housing 10 to reduce a contact area between the housing 10 and the slide cover 31, thereby reducing frictional resistance.
  • a sensor guide rail 17 is formed at an outer surface of the bottom portion of the housing 10 such that the hall sensor 107 is inserted into the sensor guide rail 17.
  • the cable 20 is inserted into the curl cable 85 to enable the ring shaped portion 21 of the cable 20 to be withdrawn out of the upper portion of the curl cable 85.
  • the cable fixing member 81 is fitted on the outer circumference of the connection piece 23 arranged at a lower portion of the ring shaped portion 21 of the cable 20.
  • the one side of the connection piece 23 is inserted into the cable hole 81c of the first cable fixing member 81a, and the second cable fixing member 81b is fitted on the other side of the connection piece 23.
  • the insertion protrusions 81d of the second cable fixing member 81b are inserted into the insertion grooves 81d of the first cable fixing member 81a.
  • the lower portion of the curl cable 85 is inserted into the flexible tube 70, and the upper end portion of the flexible tube 70 is fitted on the outer circumference of the cable fixing member 81.
  • the fixing protrusions 81h of the cable fixing member 81 are inserted into the fixing holes 72 of the flexible tube 70, thereby fixing the flexible tube 70 at a predetermined position of the cable fixing member 81.
  • the cover member 83 is fitted on the outer circumference of the upper end portion of the flexible tube 70.
  • the cover member 83 is configured to pressurize the fixing protrusions 81h inserted into the fixing holes 72 of the flexible tube 70, thereby fixing the flexible tube 70 and the cable fixing member 81.
  • the ring shaped portion 21 of the cable 20 protruding out of the upper portion of the cover member 83 is coupled to a predetermined position in the buckle head 3 by a rivet.
  • the cable 20 is inserted into the cable protector 63, and the cable protector 63 is inserted into the flexible tube 70 such that the upper end portion of the cable protector 63 is inserted into the curl cable 85.
  • the cable protector 63 becomes narrower toward the front end thereof. Accordingly, the cables 20 are arranged in such a manner that the cables 20 are adjacent to each other at the upper portion of the cable protector 63, and are spaced apart from each other by a predetermined distance at the rear end portion of the cable protector 63.
  • the concave groove 63a formed at the rear end portion of the cable protector 63 is fitted on the outer circumference of the coupling screw boss portion 61d of the lower case 61b to be fixed at a predetermined position.
  • the curl cable 85 supported by the cable protector 63 is fixed at the predetermined position in the flexible tube 70, thereby improving the supporting strength of the cable 20.
  • the cable guide member 101 is inserted into the rear end portion of the redirection unit 60 such that the cable 20 passes through the cable hole 101b of the cable guide member 101.
  • the cable guide member 101 guides two strands of the cable 20 at the both sides thereof, thereby dispersing the supporting strength of the cable 20 such that the cable 20 can be stably transferred.
  • the slide block 35 is moved to be adjacent to the locking step 33a of the cable clamp 33.
  • the spindle nut 43 is positioned between the cable clamps 33, the upper and lower slide cover 31a and 31b are coupled to each other.
  • the cable clamp 33 is inserted into the clamp groove 31e formed in the slide cover 31, and the slide block 35 is inserted into the block groove 31d, thereby integrally coupling the cable clamp 33, the spindle nut 43, the slide block 45, and the slide block 31.
  • the cables 20 are supported at the both sides of the slide block 35 to disperse the supporting strength, thereby smoothly transferring the cable 20. Meanwhile, even though the external load is applied to the spindle nut 43 along the length direction of the spindle 41, the spindle nut 43 is restrained, thereby preventing the spindle 41 from being rotated.
  • connection portion 91a of the tube bracket 91 is inserted into the upper end portion of the redirection unit 60 coupled to the lower end portion of the flexible tube 70.
  • the tube bracket is rotated clockwise such that the pressurization portion 91c of the tube bracket 91 makes contact with the upper surface of the redirection unit 60.
  • the connection portion 91a of the tube bracket 91 is fixed to the upper end portion of the redirection unit 60 through a coupling member.
  • the front end of the housing 10 is coupled to the cable guide member 101 such that the cable 20 and the slider 30 are received in the housing 10.
  • the spindle 41 is inserted into the housing 10 such that the front end of the spindle 41 is inserted into the front bearing 103 disposed at the central portion of the cable guide member 101.
  • the motor bracket 93 is coupled to the rear end of the housing 10, and the motor case 55 and the motor 50 are coupled through the motor bracket 93.
  • the guide protrusions 31h formed at the both lateral sides of the slide cover 31 are slidably moved along the guide rails 14 formed at the inner surfaces of the housing 10, thereby smoothly transferring the cable 20.
  • the contact area between the outer surface of the slide cover 31 and the inner surface of the housing 10 is reduce by the plurality of ribs 15 protruding from the inner surface of the housing 10, thereby reducing the frictional resistance while the slide cover 31 is slidably moved.
  • the cable 20 is upward transferred along the cable protector 63 of the redirection unit 60.
  • the buckle head 3 coupled to the front end of the cable 20 is lifted to the extension position P2.
  • the cable protector 63 made of the soft material relatively reduces the abrasion of the cable 20 when the cable 20 is transferred.
  • the flexible tube 70 coupled between the buckle head 3 and the redirection unit 60 is stretched upward, and the cable fixing unit 80 is lifted together.
  • the cable support unit 80 fitted on the outer circumference of the cable 20 supports the lower part of the buckle head 3. As a result, the cable is prevented from being bent due to the weight of the buckle head 3.
  • the cable 20 when the cable 20 is lifted to the extension position P2, the cable 20 may be shaken in all directions due to the weight of the buckle head 3. At this time, the lower part of the buckle head 3 makes contact with the upper end part of the cable support unit 80, thereby strongly supporting the buckle head 3.
  • the lower part of the curl cable 85 positioned in the flexible tube 70 is supported by the cable protector 63 of the redirection unit 60 such that the curl cable 85 is maintained at a predetermined position without being interfered with cable 20.
  • the curl cable 85 moveably supports the cable 20, enclosing the outer circumference of the cable 20, thereby preventing the cable 20 from being bent due to the weight of the buckle head 3 when the cable is lifted.
  • the lower part of the buckle head 3 makes contact with the upper end part of the cable support unit 80 to be supported, the outer circumference of the cable 20 is supported by the curl cable 85.
  • the cable 20 is strongly supported without being shaken in all directions.
  • the lower end of the curl cable 85 is fitted on the outer circumference of the upper end part of the cable protector 63 of the redirection unit 60 which is fixed at a predetermined position. Accordingly, the curl cable 85 supports the cable 20 without interfering with the transfer operation of the cable 20.
  • the supporting strength of the cable 20 is increased by the cable support unit 80 and/or the curl cable 85, and the buckle head 3 can be strongly supported at the desired position.
  • the occupant can easily identify the buckle head 3 and couple the belt tongue 5 to the buckle head 3.
  • the state in which the buckle head 3 reaches the extension position P2 is detected through the slide magnet 105 arranged in the slide cover 31 and hall sensor 107 arranged at the bottom portion of the housing 10. While the cable 20 is transferred, the slide magnet 105 arranged in the slide cover 31 approaches the hall sensor 107 arranged the bottom portion of the housing 10. The hall voltage of the hall sensor 107 is changed depending on the magnetic field strength of the slide magnet 105. Through the hall voltage, the transfer position of the buckle head 3 is understood.
  • the signal is transmitted to the controlling device (not shown) through the electrical wire 85a inserted in the curl cable 85.
  • the motor 50 is driven, the cable 20 is transferred backward, and the buckle head 3 returns to the performance position P1.
  • the seat belt 4 coupled to the belt tongue 5 is pulled, thereby securing the occupant.
  • the buckle head 3 When the emergency sate, such as the emergency brake or the skid occurs, while the vehicle is moving, the buckle head 3 is transferred to the restriction position P3, the seat belt 4 is more pulled to restrain the occupant.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

Cette invention concerne un dispositif d'orientation de boucle. Ledit dispositif d'orientation de boucle comprend un boîtier, au moins un câble installé de manière à pouvoir être déplacé vers l'avant et vers l'arrière à l'intérieur du boîtier et présentant une extrémité avant à laquelle est accouplée une tête de boucle, une coulisse accouplée à une extrémité arrière du câble et installée de manière coulissante à l'intérieur du boîtier, une unité d'entraînement accouplée à la coulisse de manière à déplacer la coulisse vers l'avant et vers l'arrière, un moteur qui fournit l'énergie nécessaire à entraîner l'unité d'entraînement et comprenant un arbre moteur, une unité de redirection installée à une extrémité avant du boîtier pour modifier une direction de transfert du câble, un tube flexible raccordé entre l'unité de redirection et la tête de boucle de façon à être étiré et comprimé le long de la direction de transfert du câble et une unité de support de câble reliée à une circonférence externe du câble entre le tube flexible et la tête de boucle.
PCT/KR2014/011264 2014-01-22 2014-11-21 Dispositif d'orientation de boucle WO2015111834A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112014006231.6T DE112014006231B4 (de) 2014-01-22 2014-11-21 Gurtschlossbringer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2014-0007741 2014-01-22
KR1020140007741A KR101739843B1 (ko) 2014-01-22 2014-01-22 버클 프리젠터

Publications (1)

Publication Number Publication Date
WO2015111834A1 true WO2015111834A1 (fr) 2015-07-30

Family

ID=53681607

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Application Number Title Priority Date Filing Date
PCT/KR2014/011264 WO2015111834A1 (fr) 2014-01-22 2014-11-21 Dispositif d'orientation de boucle

Country Status (3)

Country Link
KR (1) KR101739843B1 (fr)
DE (1) DE112014006231B4 (fr)
WO (1) WO2015111834A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150360641A1 (en) * 2013-01-23 2015-12-17 Daimler Ag Belt buckle presenter for a safety belt of a vehicle
WO2017042083A1 (fr) * 2015-09-08 2017-03-16 Autoliv Development Ab Boucle de ceinture pour système de ceinture de sécurité d'un véhicule automobile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020043872A1 (en) * 2000-04-17 2002-04-18 Joalto Design Inc. Seat belt buckle receptacle presenter assembly
US20060076767A1 (en) * 2003-06-05 2006-04-13 Keiper Gmbh & Co., Kg Belt locking device for a vehicle seat
JP2010023688A (ja) * 2008-07-18 2010-02-04 Tokai Rika Co Ltd シートベルト装置
KR20110025532A (ko) * 2009-09-04 2011-03-10 현대자동차주식회사 자동차용 시트 벨트 장치
US20120299282A1 (en) * 2011-02-18 2012-11-29 Trw Automotive Gmbh Belt buckle presenter

Family Cites Families (2)

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Publication number Priority date Publication date Assignee Title
DE1034189B (de) 1955-09-08 1958-07-17 Leo Pharm Prod Ltd Verfahren zur Herstellung von 2-Hydroxy-4-amino-benzoe-saeurephenylester
DE10341891B4 (de) 2003-09-09 2005-07-14 Autoliv Development Ab Reversible Straffeinrichtung mit Pneumatik/Feder-Antrieb

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020043872A1 (en) * 2000-04-17 2002-04-18 Joalto Design Inc. Seat belt buckle receptacle presenter assembly
US20060076767A1 (en) * 2003-06-05 2006-04-13 Keiper Gmbh & Co., Kg Belt locking device for a vehicle seat
JP2010023688A (ja) * 2008-07-18 2010-02-04 Tokai Rika Co Ltd シートベルト装置
KR20110025532A (ko) * 2009-09-04 2011-03-10 현대자동차주식회사 자동차용 시트 벨트 장치
US20120299282A1 (en) * 2011-02-18 2012-11-29 Trw Automotive Gmbh Belt buckle presenter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150360641A1 (en) * 2013-01-23 2015-12-17 Daimler Ag Belt buckle presenter for a safety belt of a vehicle
WO2017042083A1 (fr) * 2015-09-08 2017-03-16 Autoliv Development Ab Boucle de ceinture pour système de ceinture de sécurité d'un véhicule automobile

Also Published As

Publication number Publication date
DE112014006231T5 (de) 2017-01-12
KR101739843B1 (ko) 2017-05-25
KR20150087590A (ko) 2015-07-30
DE112014006231B4 (de) 2023-06-07

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