WO2009113636A1 - 給電装置のプロテクタ構造 - Google Patents
給電装置のプロテクタ構造 Download PDFInfo
- Publication number
- WO2009113636A1 WO2009113636A1 PCT/JP2009/054804 JP2009054804W WO2009113636A1 WO 2009113636 A1 WO2009113636 A1 WO 2009113636A1 JP 2009054804 W JP2009054804 W JP 2009054804W WO 2009113636 A1 WO2009113636 A1 WO 2009113636A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- protector
- wire harness
- opening
- wall portion
- guide tube
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
- B60R16/0215—Protecting, fastening and routing means therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G11/00—Arrangements of electric cables or lines between relatively-movable parts
- H02G11/02—Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
- H01R13/562—Bending-relieving
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/60—Means for supporting coupling part when not engaged
Definitions
- the present invention relates to a protector structure of a power feeding device that leads a wire harness housed in a protector from the protector to each moving direction of a movable structure such as an automobile roof.
- the power supply device 61 includes a protector 62 made of a synthetic resin including a circular body portion 65 and an elongated guide tube 66 facing upward, a drum 63 rotatably disposed in the protector, A harness-winding type provided with a mainspring spring 64 that urges the drum 63 in one rotation direction.
- a hole 70 is provided on the base side of the guide tube 66 of the protector 62, and the body A sub hole 71 is provided at the lowermost part of the tube so that foreign matter such as dust and dust entering from the opening at the upper end of the guide tube is discharged from the holes 70 and 71 to the outside.
- the body portion 65 and the guide tube 66 are integrally formed.
- the guide tube 66 is formed in a rectangular shape in cross section, and protrudes upward from the upper side of the body portion 65 while curving in an arc shape with a large radius.
- a drum 63 and a mainspring 64 are accommodated in a body portion 65, the drum 63 is rotatably supported by a shaft portion 67, and a wire harness 68 is wound around the outer periphery of the drum 63, as shown in FIG.
- One portion 68 a of the wire harness 68 is led out through the guide tube 66.
- the other portion 68b of the wire harness 68 is wound as a harness surplus portion on the side of the drum 63 and accommodated in the body portion, and the harness portion 68c following the harness surplus portion 68b is outward from the body portion 65. Derived and connected to the power source (battery) side.
- the extra harness portion 68b is for absorbing the rotation of the drum 63.
- the protector 62 is composed of a protector base 62a and a protector cover 62b. With the protector base 62b removed, the wire harness 68 is mounted in the protector base, and the protector cover 62b is closed and locked to the protector base 62a.
- the wire harness 68 is composed of a plurality of insulating coated electric wires. The plurality of electric wires (68) are converged by roughly winding the tape or covering with a flexible protective tube.
- a connector 69 is disposed at the distal end of the wire harness 68.
- the connector 69 is fixed to, for example, a sunroof that is a movable structure on the power feeding side of an automobile, a luggage door for roof storage (not shown), etc. It is connected to a connector (not shown).
- the wire harness 68 is pulled out upward from the protector 62 as shown by the solid line in FIG. 12, and at this time, the drum 63 rotates against the force of the spring 64 and the wire harness 68 is released from the drum 63.
- the wire harness 68 is rewound into the protector by the force of the spring 64 as shown by a chain line in FIG.
- the roof opening / closing mechanism is connected to a pair of front and rear rotation links rotatably connected to the vehicle body, an intermediate upper fixed link connected to the front rotation link, and a rear rotation link.
- a front upper fixed link and a soft top roof fixed to the front upper fixed link are provided.
- each rotating link is tilted almost horizontally, and each fixed link is folded and positioned above the rotating link, and the roof is stored in the rear luggage space of the vehicle body.
- the upper opening 42 of the guide tube 41 of the protector 45 has to be expanded in a trumpet shape (expanding end).
- foreign matter 10 such as dust easily enters the guide tube 41 from the wide upper opening 42 as shown in FIG.
- the foreign material 10 staying in the upper opening 42 like the chain line when the roof is opened is sandwiched between the wire harness 43 bent when the roof is closed and the inner wall surface 41a of the guide cylinder 41 in FIG.
- the harness 43 could not be smoothly expanded and contracted, or the wire harness 43 was damaged.
- the arrow indicates the extending direction of the wire harness 43.
- the present invention provides a guide cylinder from the upper opening when a foreign object enters the wide upper opening in association with the expansion of the upper opening of the guide cylinder of the protector corresponding to the bending operation of the wire harness. It is possible to prevent the intrusion of foreign matter into the guide tube and the clogging of foreign matter in the guide tube. In addition, when the protector is divided, the slidability of the wire harness caused by the split joint is reduced.
- An object of the present invention is to provide a protector structure for a power feeding device that can be prevented.
- the protector structure of the power feeding device according to claim 1 of the present invention has a curved wall portion along the upper opening of the guide tube on one wall portion of the upward guide tube of the protector.
- the wire harness is led out while being bent along the curved wall, and a side opening for discharging foreign matter is provided in the curved wall.
- a curved wall portion along the upper opening of the guide tube is provided on one wall portion of the upward guide tube of the protector, and the wire harness is the curved wall.
- a side opening for discharging foreign matter is provided in the other wall portion of the guide tube that is led out while being bent along the portion and is opposed to the curved wall portion in the vicinity of the upper opening.
- the protector structure of the power feeding device according to claim 3 is the protector structure of the power feeding device according to claim 1, wherein a foreign object is placed on the other wall portion of the guide cylinder facing the curved wall portion in the vicinity of the upper opening. A side opening for discharge is provided.
- the protector structure of the power feeding device according to claim 4 is the protector structure of the power feeding device according to claim 2 or 3, wherein a protrusion is provided on the inner side of the guide tube and below the side opening of the other wall portion. The upward inclined surface of the protrusion continues to the side opening.
- the foreign matter that has entered the upper opening falls to the protrusion on the other wall side, and is discharged to the outside from the side opening along the upward inclined surface of the protrusion.
- the protector structure of the power feeding device according to claim 5 is the protector structure of the power feeding device according to claim 2 or 3, wherein a protrusion is provided above the side opening of the other wall portion inside the guide tube, The protruding portion traverses the guide tube.
- the protrusion is positioned immediately below (up close to) the upper opening, and the upper opening is narrowed by the protrusion to prevent (suppress) entry of foreign matter into the guide tube. Further, when the wire harness is pulled out from the upper opening in a state of being bent (slightly bent) on the other wall side, the wire harness is slidably brought into contact with the projecting portion, for example, with the edge-like edge of the upper opening. Occurrence of sliding contact and accompanying wear is prevented.
- the protrusion preferably has a semicircular cross section.
- the protector structure of the power feeding device according to claim 6 is the protector structure of the power feeding device according to claim 5, wherein the protector is divided, and the protruding portion is provided in one divided protector, and the protruding portion is the other divided protector. It extended toward the surface and covered the division
- the wire harness when the wire harness is pulled out from the upper opening in a state of being bent (slightly bent) toward the other wall, the wire harness is slidably contacted with the protruding portion, and is slid with the split joint portion of the upper opening. This prevents wear and abnormal noise accompanying the contact and increases in the harness pull-out / retraction force.
- the foreign material is discharged from the side opening of the curved wall portion to the outside by a natural fall even if the foreign material becomes easy to enter due to the expansion of the upper opening. Intrusion or clogging of foreign matter into the cylinder is prevented, and the wire harness is always drawn out and pulled in along the guide cylinder, so that the reliability of constant power supply is improved.
- the foreign matter bounced off when hitting the bent portion of the wire harness when the wire harness is bent is discharged to the outside from the side opening of the other wall portion, so that the foreign matter enters the guide tube. Intrusion and clogging are prevented, and the wire harness along the guide tube is always drawn out and pulled in smoothly, so that the reliability of constant power supply is improved.
- the foreign material dropped from the upper opening onto the protrusion on the other wall side is discharged to the outside from the side opening along the upward inclined surface of the protrusion. Intrusion and clogging of foreign matter into the interior is prevented, and the wire harness is always drawn out and pulled in along the guide tube smoothly, improving the reliability of constant power feeding.
- the upper opening is narrowed by the protrusion, and the entry of foreign matter is suppressed. Further, since the wire harness is slidably contacted along the protruding portion, wear of the wire harness due to the slidable contact with the edge-like edge of the upper opening is prevented, and the reliability of constant power supply is increased.
- the wire harness is slidably contacted along the protrusion, so that the wear of the wire harness and the generation of abnormal noise due to the slidable contact with the split joint portion of the edge of the upper opening are prevented.
- the wire harness is smoothly pulled out and pulled in without being caught, so that the reliability of constant power supply and the opening / closing operability of the movable structure on the harness lead-out (connection) side are enhanced.
- FIG. 1 is a longitudinal sectional view showing an internal structure on the body side of the power supply apparatus, which is inverted by 90 °.
- A) and (b) are principal part longitudinal cross-sectional views which show 2nd embodiment of the protector structure of the electric power feeder which concerns on this invention.
- FIG. 12 is a longitudinal sectional view showing the internal structure of the body side of the conventional power feeding apparatus, which is 90 ° inverted. It is the front view which made the principal part which shows the other form and the subject of the conventional electric power feeder which made the cross section.
- the other form of the conventional electric power feeder and its subject are shown, (a) is a principal part longitudinal cross-sectional view, (b) is a top view.
- FIG. 1 to 3 show a first embodiment of a protector structure for a power feeding device according to the present invention.
- the power supply device 1 includes a protector 2 made of a synthetic resin, which is composed of a substantially circular body portion 3 and a straight long guide tube 4 facing upward.
- a downward side portion communicating with the opening 30 is connected to a curved wall portion 31 on the tip side of the guide tube (below the opening 30) that forms the opening 30 in which the guide tube 4 is widened.
- An opening 32 is provided, and foreign matter 10 such as dust that has entered the opening 30 is quickly discharged from the side opening 32 to the outside as indicated by an arrow C.
- the side opening 32 is formed in a circular arc shape along the curved wall portion 31, and in this example, the inner diameter (inner width) of the inner end 32a of the side opening 32 is larger than the inner diameter (inner width) of the outer end 32b.
- the lower end 32c of the side opening 32 forms a horizontal plane at the boundary between the curved wall 31 and the vertical wall (one wall) 34 of the guide tube 4, and the upper end 32d of the side opening 32 is curved.
- a vertical surface is formed at the boundary with the distal end portion 35 of the wall-shaped wall 31.
- the front shape of the side opening 32 is preferably formed in a rectangular shape on one wall portion 34 of the guide tube 4 having a rectangular cross section.
- the front shape of the side opening 32 can be a circle or the like.
- the side opening 32 prevents the foreign material 10 from entering the guide tube 4, and the side opening 32 reduces the weight of the protector 2.
- the side opening 32 may be referred to as a hole.
- the front end portion 35 of the curved wall portion protrudes horizontally, and is located opposite to the end portion of the horizontal trim (structure) 36 on the vehicle body side (mounting side) with a narrow gap 39 therebetween.
- the tip portion 35 is located at the same height as the trim 36, and an auxiliary device (structure) 37 is located below the trim 36 in the vicinity of the curved wall portion 31.
- the wire harness 6 led out from the opening 30 of the guide cylinder 4 in the direction of the arrow B is smoothly bent along the curved wall portion 31, and the trim 36 and the auxiliary device 37 along the distal end portion 35 of the wall portion 31. It is safely derived without interfering with other structures. Thereby, the reliability of the power supply of the wire harness 6 is ensured.
- a connector 33 is disposed on the distal end side of the wire harness 6.
- the connector 33 includes a connector housing made of an insulating resin (substitute with reference numeral 33) and terminals (not shown) housed and locked therein, and each terminal is connected to each electric wire of the wire harness 6. .
- the connector 33 is connected to a luggage door or a roof side auxiliary device or circuit connector (not shown).
- the wire harness (a plurality of electric wires) 6 is preferably covered and protected by a flexible mesh tube or the like, for example.
- the wall at the opening end of the guide tube 4 is greatly curved in the direction of the trim 36 as indicated by reference numeral 31 and is slightly curved or inclined in the opposite direction to the trim 36 as indicated by reference numeral 38.
- the small curved portion 38 is formed when the wire harness 6 is bent slightly to the side opposite to the trim 36 when being pulled out. When the wire harness 6 is pulled out vertically as shown by the solid line in FIG. 1, the curved portion 38 is formed straight.
- FIG. 2 (a) shows the most pulled out (elongated) state of the wire harness 6 when the roof is opened
- FIG. 2 (b) shows the most retracted state of the wire harness 6 when the roof is closed.
- the tip opening 30 of the guide tube 6 communicates with a straight long hole-like space 14 in the guide tube, and the long space 14 is a circular space 15 ( 3).
- the wire harness 6 when the roof is closed, the wire harness 6 is smoothly drawn in a substantially 90 ° direction along the curved wall portion 31 of the guide cylinder 4 while being pulled into the guide cylinder 4.
- the wire harness 6 moves in accordance with the rotation locus of a movable structure (not shown) such as a roof or a luggage door as indicated by an arrow A in FIG.
- the wire harness 6 in FIG. 2 (b) is bent, there is no fear that the foreign material 10 is caught between the inner wall surface 34a of the guide tube 4 and the outer surface of the wire harness 6, and the expansion / contraction operation of the wire harness 6 is always smooth without being caught. To be done.
- a discharge hole (not shown) is provided at the bottom (bottom) of the body 3 (FIG. 3) as in the conventional case. ) Is preferably provided.
- a cylindrical thick shaft portion 5 is provided in the center of the inner space 15 of the circular body portion 3 following the guide tube 4 of the protector 2, and around the shaft portion 5 when the wire harness 6 is accommodated.
- the wire harness 6 is wound and accommodated in a loop shape, and this loop-shaped portion (extra length portion or winding portion) 6 c can be expanded or contracted around the shaft portion 5.
- the harness portion 6d following the loop-shaped portion 6c is led out from the small mouth portion 16 of the body portion 3, is fixed on the mouth portion 16 side, and is connected to a circuit (not shown) on the power source (battery) side by a connector or the like. Yes.
- the shaft portion 5 regulates the minimum diameter of the loop-shaped portion 6 c and stably supports the loop-shaped portion 6 c in the body portion 3 when the wire harness 6 advances and retreats. It is preferable that each electric wire of the loop-shaped part 6c is converged without breaking with a rough winding with a tape or a flexible protective tube.
- the conventional harness winding drum 63 and drum biasing spring 64 of FIG. 12 are not used, and the internal structure is simplified, thinned, and lightened. .
- the wire harness has a loop shape with its own degree of rigidity (elastic reaction force). It is also possible to accommodate the wire harness 6 in the protector 2 in a wave shape, a bent shape or the like instead of a loop shape. Of course, it is possible to use a conventional drum 63 and spring 64. Further, in the example of FIG. 1, the body portion 3 is protruded in the opposite direction to the bending direction of the wire harness 6, but the body portion 3 may be protruded in the bending direction of the wire harness 6 according to the layout on the vehicle side. Is possible.
- the protector 2 includes a protector base 2a and a protector cover 2b, and the protector cover 2b is locked to the protector base 2a by locking means (not shown) such as locking protrusions and engaging frame pieces.
- One end of the shaft portion 5 is preferably fixed to the side wall 17 of the body portion 3 on the protector base 2a side, and the other end of the shaft portion 5 is preferably positioned and engaged in a recess (not shown) of the side wall 18 of the protector cover 2b.
- the shaft portion 5 may be rotatable.
- the wire harness 6 is mounted in the protector base 2a with the protector cover 2b opened.
- the protector 2 may be called a case
- the protector base 2a may be called a case body
- the protector cover 2b may be called a cover.
- 4 (a) and 4 (b) show a second embodiment of the protector structure of the power feeding device according to the present invention.
- the second side opening for discharging foreign matter is formed in the wall portion (the other wall portion) 34 'on the other small curved portion 38 side of the guide tube 4 of the protector 2 in the embodiment shown in FIGS. 32 'is provided.
- the side opening 32 ′ is provided at the upper end of the wall 34 ′ in the vicinity of the opening 30 at the tip (upper end) of the guide cylinder 4.
- the small curved portion 38 can be a straight vertical straight portion.
- the side opening 32 ′ is formed to have the same length as the side opening 32 on the side of the one wall 34.
- the upper end 32 d ′ of the side opening 32 ′ is immediately adjacent to the lower side of the opening 30, and the lower end 32 c ′ is located slightly below the lower end of one side opening 32.
- the upper end 32 d ′ may be over a small curved portion 38.
- the size and shape of the side opening 32 ' can be set as appropriate. Both side openings 32, 32 'are positioned opposite to each other in the horizontal 180 ° direction.
- the luggage door (movable structure) can be opened and closed by a link mechanism, and the roof can be retracted with the luggage door opened upward and the vehicle front side portion of the rear luggage space of the vehicle body (fixed structure) opened.
- the luggage door opens and closes in the vehicle front-rear direction by the operation of a plurality of sub-links pivotally supported by the main link while the main link is rotated by a motor (not shown) around the shaft.
- the body part 3 is fixed to the vehicle body with a bracket.
- the connector 33 at the tip of the wire harness 6 is fixed to the luggage door side.
- the connector 33 fixed to the luggage door side is tilted almost horizontally in the front direction of the vehicle, and the wire harness 6 is pushed into the guide cylinder 4.
- the wire harness 6 bends in the front direction of the vehicle at an angle of about 90 ° at the distal end side of the guide tube 4.
- the present invention is applied to the opening and closing of a luggage door for storing a roof.
- the power feeding device 1 and its foreign matter discharging structure according to the present invention are not limited to a luggage door, It can also be applied to doors and the like.
- the wire harness 6 is smoothly bent from the straight state along the curved wall portion 31 on the opening side of the guide tube 4. For example, even when foreign matter enters the opening 30 expanded by the curved wall portion 31 with the wire harness 6 extending straight, the foreign matter 10 is immediately discharged from the side opening 32 following the opening 30. The Thereby, the wire harness 6 slides along the wall portion 31 while being smoothly bent without being caught.
- the curved wall 31 of the guide cylinder 4 prevents the wire harness 6 from being damaged when the wire harness 6 is slid, so that the reliability of power feeding is increased, and the curved wall 31 is provided. Even when the foreign object 10 enters the opening due to the expansion of the opening 30 due to the opening, the foreign object 10 is immediately discharged to the outside from the side opening 32, so that the wire harness 6 is not caught on the guide tube 4 and is always smooth. In this way, the lead-out property and the introduction property are always ensured satisfactorily, and the reliability of power feeding is increased.
- An opening 32 ' is provided.
- the distal end portion 35 of the curved wall portion 31 is not located at the same height and is disposed adjacent to the attachment-side structure 36 having a height lower than that. Thus, interference between the wire harness 6 led out while being bent along the wall portion 31 and the structure 36 is prevented.
- the wire harness 6 is led out from the opening 30 while being bent along the curved wall portion 31, and passes from the tip portion 35 of the wall portion 31 to the upper side of the attachment-side structure 36. Be routed to. Thereby, interference with the wire harness 6 and the structure 36 is prevented.
- the wire harness 6 Since the wire harness 6 is guided by the curved wall portion 31 of the guide tube 4 and is smoothly bent without interfering with the structure 36 on the attachment side, the wire harness 6 is prevented from being damaged and fed. Reliability is improved.
- FIG. 5 to 6 show a third embodiment of the protector structure of the power feeding device according to the present invention.
- the power feeding device 1 ′ includes a protector 2 made of a synthetic resin, which includes a substantially circular body portion (harness winding portion) 3 and an upward straight long guide tube (harness lead-out portion) 4 ′, and a body portion 3. And a wire harness 6 that is wound in an annular shape and led out along the guide tube 4 ′, and the upper opening 30 at the tip (upper end) of the guide tube 4 ′ expands in one direction perpendicular to the guide tube 4 ′.
- the wire harness 6 can be bent in the intersecting direction and smoothly led out without being rubbed with the upper opening end 30.
- a cylindrical wall (the other wall portion) 8 on the opposite side to the curved wall portion 7 on the distal end side forming the expanded upper opening 30 in the guide tube 4 ′ is provided.
- the penetrating side opening 9 is cut out in the vicinity of the upper opening 30 and foreign matter 10 such as dust entering the upper opening 30 is quickly discharged from the side opening 9 to the outside as indicated by an arrow C. is there.
- the side opening 9 may be referred to as a hole.
- the side opening 9 communicates with the upper opening 30 through a short upper wall portion 11. If the strength of the upper portion of the guide tube 4 ′ is ensured, it is possible to eliminate the upper wall portion 11 and integrally form the upper opening 30 and the side opening 9.
- the vertical length B of the side opening 9 when the wire harness 6 of FIG. 5 is bent is larger than the horizontal length A of the upper opening 30, that is, the side opening 9 is set wider than the upper opening 30.
- the foreign material 10 entering from the upper opening 30 is reliably led out from the side opening 9 to the outside.
- the vertical length B in this example is the distance from the upper end of the guide tube 4 ′ to the lower end 9 a of the side opening 9, but from the lower end of the upper wall 11 (upper end 9 b of the side opening 9) to the side opening 9. It is good also as the distance to the lower end 9a.
- the horizontal length A is the distance from the outer surface of the cylindrical wall 8 to the outer surface of the bent portion 6a of the wire harness 6, but may be the distance from the inner surface of the cylindrical wall 8 to the outer surface of the bent portion 6a of the wire harness 6.
- the front shape of the side opening 9 is formed in a rectangular shape on one wall portion (cylinder wall) 8 of the guide tube 4 ′ having a rectangular cross section, for example.
- the front shape of the side opening 9 can be circular or the like.
- the side opening 9 prevents the foreign substance 10 from entering the guide tube 4 ′, and the side opening 9 makes the protector 2 lighter.
- An obliquely upward projecting portion 12 is integrally formed on the inner surface of the cylindrical wall 8 at the lower end of the side opening 9.
- the tip (upper end) 12a of the protrusion 12 protrudes into the guide tube 4 'so that there is a slight gap 13 between the tip 12a and the outer surface of the wire harness 6.
- the tip 12a of the protrusion 12 is formed in a circular shape instead of an edge. Even if the wire harness 6 is in sliding contact with the protrusion 12, there is no problem in practical use if there is a gap 15 between the other outer surface of the wire harness 6 and the other cylindrical wall 14. Since the protrusion 12 is disposed on the opposite side to the bending direction of the wire harness 6 and protrudes in the bending direction of the wire harness 6, it may interfere with the wire harness 6 at least during the bending operation of the wire harness 6 of FIG. There are few, and it does not have a bad influence on the expansion-contraction operation
- the tip 12 a of the protrusion 12 is positioned to protrude above the lower end 9 a of the side opening 9, protrudes toward the curved wall portion 7 of the upper opening 30, and is an upward inclined surface 12 b above the protrusion 12.
- the protrusion 12 is preferably formed in a plate shape within the range of the inner width of the guide tube 4 ′ (the lateral width of the tube wall 8) in order to improve the pick-up property of the foreign material 10.
- the foreign material 10 that has entered through the upper opening 30 contacts the upper inclined surface 12b of the inclined protrusion 12 and goes outward along the inclined surface 12b through the side opening 9 as indicated by an arrow C. It is quickly and smoothly discharged.
- the inclined surface 12c on the lower side of the protrusion 12 acts to smoothly slide the wire harness 6 without being caught when the wire harness 6 is pulled upward.
- the foreign object 10 hits the bent surface of the wire harness 6 bent along the curved wall 7 when the roof is closed, bounces outward, and is discharged from the side opening 9 to the outside. . Needless to say, the use of the protrusion 12 increases the dischargeability of the foreign material 10.
- the fine foreign matter 16 that enters the guide cylinder from the gap 13 between the tip 12a of the projection 12 and the wire harness 6 when the roof is closed is shown in FIG.
- the air is discharged to the outside through the lower openings (holes) 17 and 18 provided on the bottom side of the body portion 3 ′ of the protector 2.
- the upper opening 30 of the guide cylinder 4 ′ communicates with a straight long hole-shaped space 19 (FIG. 5) in the guide cylinder 4 ′, and the long space 19 is formed in the circular space 20 in the body portion 3 ′. Communicate.
- Two lower openings 17 and 18 are provided in this example.
- the other lower opening 18 is formed at the lowermost part of the body portion 3 ′, which is preferable for reliably discharging fine foreign matters, water droplets, and the like.
- FIG. 7 to 8 show a fourth embodiment of the protector structure of the power feeding device according to the present invention.
- the foreign matter discharging structure of the power feeding device 21 is arranged such that the side opening 22 is disposed below the side of the above-described embodiment, and an inclined shape is provided below the side opening 22 instead of the protrusion 12 of the above-described embodiment.
- the thick portion 23 is integrally formed on the inner surface side of the tube wall 25 of the guide tube 24.
- the thick part 23 can also be called a protrusion.
- a locking frame piece 27 is formed integrally with the upper wall portion 26 on the upper side of the side opening 22.
- the protector 28 of this example is divided into front and rear (in the figure, the rear-side divided protector 28 is shown), and both divided protectors are locked by engagement of a frame piece 27 and a locking claw (not shown).
- the side opening 22 is formed in a vertically long rectangular shape, and the front and rear ends (represented by reference numeral 22) of the side opening 22 reach the inner surface of the back wall 29 of the guide tube 24.
- a rectangular side opening 22 is notched in the cylindrical wall 25 of at least one split protector 28, and the other split protector (not shown) is combined to accommodate and protect the wire harness 6. Is exposed to the outside.
- the vertical length B of the side opening 22 is preferably set to be larger than the horizontal length A of the upper opening 30 in order to improve the dischargeability of the foreign material 10 (FIG. 5).
- the inner wall 23a of the thick portion 23 is inclined so as to gradually narrow the inner width of the guide tube 24.
- the thickness of the thick portion 23 is at the lower end (upper end surface of the thick portion) 23b of the side opening 22. It becomes maximum and decreases as it goes downward from the lower end (upper end surface of the thick portion) 23b of the side opening 23.
- the inner surface 23a of the thick portion 23 can be curved instead of inclined.
- the thick portion 23 is less effective in picking up the foreign object 10 than the protrusion 12 of the above embodiment, the upper end surface 23b of the thick portion 23 protrudes inside the guide tube 24. The effect
- the wire harness 6 When the roof of FIG. 8 is opened, the wire harness 6 is pulled out from the upper opening 30 to the maximum while being routed straight in the guide cylinder 24 without touching the thick wall portion 23 or lightly.
- the protector 28 is fixed to the vehicle body or the like with a bracket 32.
- the wire harness 6 When the roof of FIG. 7 is closed, the wire harness 6 is pulled in while being bent.
- the wire harness 6 moves corresponding to the rotation locus of a movable structure (not shown) such as a roof or a luggage door.
- a connector 33 is disposed on the distal end side of the wire harness 6.
- the connector 33 includes a connector housing made of an insulating resin (substitute with reference numeral 33) and terminals (not shown) housed and locked therein, and each terminal is connected to each electric wire of the wire harness 6. .
- the connector 33 is connected to a luggage door or a roof side auxiliary device or circuit connector (not shown).
- the wire harness (a plurality of electric wires) 6 is covered and protected by a flexible mesh tube or the like, for example.
- a cylindrical thick shaft portion (not shown) is provided in the center of the inner space 20 of the body portion 3 ′ of the protector 2 ′ (FIG. 5), and a wire is placed around the shaft portion when the wire harness 6 is accommodated.
- the harness 6 is wound and accommodated in a loop shape, and this loop-shaped portion (extra length portion or winding portion) can be expanded or contracted around the shaft portion.
- the harness part following the loop-shaped part is led out from a small mouth part (not shown) of the body part 3 'and fixed on the mouth part side, and connected to a circuit (not shown) on the power source (battery) side by a connector or the like.
- the shaft portion regulates the minimum diameter of the loop-shaped portion, and stably supports the loop-shaped portion in the body portion 3 ′ when the wire harness 6 advances and retreats. It is preferable that the electric wires in the loop-shaped portion be converged without being loosely distributed by rough winding with a tape or a flexible protective tube.
- the conventional drum 63 for winding the harness and the spring 64 for biasing the drum shown in FIG. 12 are not used, and the internal structure is simplified, thinned, and lightened.
- the wire harness 6 has a loop shape with its own degree of rigidity (elastic reaction force). It is also possible to accommodate the wire harness 6 in the protectors 2 ′ and 28 in a wave shape or a bent shape instead of a loop shape. Of course, it is possible to use a conventional drum 63 and spring 64.
- the body portion 3 ′ protrudes in the bending direction of the wire harness 6, but the body portion 3 ′ can protrude in the direction opposite to the bending of the wire harness 6 according to the layout on the vehicle side. It is.
- the present invention is applied to the opening and closing of a luggage door for storing a roof.
- the power feeding devices 1 'and 21 and the foreign matter discharging structure of the present invention are not limited to a luggage door, It can also be applied to a back door or the like.
- the wire harness 6 is led out from the upper opening 30 of the upward guide tube 4 ′ of the protector 2 ′ so that it can be bent to one side.
- a side opening 9 for discharging foreign matter is provided in communication with the upper opening 30 on the wall 8 of the guide cylinder 4 ′ opposite to the bending direction of the wire harness 6, and the side opening is provided inside the guide cylinder 4 ′.
- a protrusion 12 having an upwardly inclined surface 12 b is provided on the lower side of 9, and the upwardly inclined surface 12 b continues to the side opening 9.
- the foreign matter that has entered the upper opening 30 in the bent state of the wire harness 6 strikes the bent portion 6a of the wire harness 6 and bounces outside to be discharged from the side opening 9 to the outside.
- the foreign matter 10 that has entered the upper opening 30 strikes the upward inclined surface 12b of the protrusion 12 and is smoothly guided to the side opening 9 along the inclined surface 12b. . Thereby, clogging of the foreign material 10 in the guide cylinder 4 'is prevented.
- the foreign material 10 entering from the upper opening 30 is guided to the side opening 9 along the upward inclined surface 12b of the protrusion 12, the foreign material 10 is surely discharged from the side opening to the outside of the foreign material in the guide cylinder. Clogging and the like are prevented, the stretchability of the wire harness 6 is ensured satisfactorily, the damage of the wire harness 6 is prevented, and the reliability of constant power feeding by the power feeding device 1 ′ is improved.
- the wire harness 6 is led out from the upper opening 30 of the upward guide tube 24 of the protector 28 so as to be bent to one side, and the bending direction of the wire harness 6 in the guide tube 24 below the upper opening 30 is
- a side opening 22 for discharging foreign matter is provided in the opposite wall portion 25 so as to communicate with the upper opening 30, and gradually increases in thickness as it goes upward, following the lower end of the side opening 22 inside the guide tube 24. It is characterized in that a thick portion 23 having an inclined inner surface for increasing the thickness is formed.
- the foreign matter that has entered the upper opening 30 in the bent state of the wire harness 6 strikes the bent portion 6a of the wire harness 6 and bounces outward to be discharged from the side opening 22 to the outside.
- the foreign matter 10 that has entered the upper opening 30 strikes the upper end surface 23 b of the thick portion 23 and is guided to the side opening 22.
- the inclined inner surface 23a of the thick wall portion 23 is in contact with the outer surface of the bent wire harness 6 to smoothly bend the wire harness 6, and prevents the foreign matter 10 from entering along the inclined inner surface 23a.
- the foreign material 10 entering from the upper opening 30 is guided to the side opening 22 along the upper end surface 23 b of the thick wall portion 23, so that the foreign material 10 is surely discharged to the outside from the side opening 22 and inside the guide tube 24.
- the wire harness 6 can be easily stretched and the wire harness 6 is prevented from being damaged, and the reliability of constant power supply by the power supply device 21 is improved.
- the protector structure of the first or second power feeding device 1 ′, 21 is characterized in that the side opening 22 is formed wider than the upper opening 30 when the wire harness 6 is bent. With this configuration, the foreign material 10 that has entered the upper opening 30 is reliably discharged from the side opening 22 wider than the upper opening 30.
- the lower opening 17 is disposed on the vertical line of the upper opening 30 in the body portion 3 ′ of the protector 2 ′ following the guide tube 4 ′. It is characterized by that.
- 9 to 11 show a fifth embodiment of the protector structure of the power feeding device according to the present invention.
- the power feeding device 51 includes a protector 47 that is divided into left and right parts as in the fourth embodiment of FIG. 8, and a protector 47 as in the second embodiment of FIG. 4.
- the side openings 52 and 53 are respectively provided in the front and rear wall portions 49 and 50 of the vertical guide cylinder 48, the rear (the other) wall portion 50, that is, the curved wall portion 54 on the upper opening 30 side.
- a protrusion 55 similar to the third embodiment in FIG. 5 is provided on the wall 50 opposite to the protruding direction, above the side opening 53.
- the protrusion 55 is formed in a semicircular cross section, that is, full R (R), and is disposed immediately below the upper opening 30, that is, immediately below the inner radius chamfer 56 at the upper end of the rear wall 50. .
- a rear side opening 53 is positioned immediately below the protrusion 55, and a front side opening 52 is positioned diagonally below and in front of the protrusion 55.
- the front side opening 52 is formed from a curved wall portion 54 on the lower side of the upper opening 30 to a vertical wall portion 49 on the front side (one side). Note that the front / rear / right / left directions are for convenience of explanation.
- the protrusion 55 Since the protrusion 55 is arranged immediately below the upper opening 30, the upper opening 30 is narrowed, and the foreign material 10 from above hits the protrusion 55 and is difficult to enter the guide cylinder 48.
- the purpose of the protrusion 55 is to prevent the wire harness 6 from coming into contact with the split joint 57 (FIG. 10) of the protector 47.
- the wire harness 6 is brought into contact with the projecting portion 55 to prevent contact with the split joint portion 57.
- the projecting portion 55 is full R (half-section cross section).
- the angle formed between the wire harness 6 and the protrusion 55 is always constant regardless of the angle at which the wire harness 6 hits, and this may cause an interference sound at the time of contact. Absent.
- the structure in the body portion 58 of the protector 47 in FIG. 9 is the same as in FIG. 3 or FIG. 13 (any of FIG. 3 and FIG. 13 may be used). Further, the position of the front side opening 52 may be formed immediately from the short tip portion (reference numeral 35 in FIG. 1) of the curved wall portion 54 as shown in FIG. Has a long tip).
- the protector 47 of this example has a horizontal flange 59 at the upper end of the guide tube 48 (in FIG. 9, the flange 59 is not indispensable and is not shown).
- the split joint 57 that is, the split surface is disposed in the center of the rear wall portion 50 perpendicular to the guide cylinder 48 from the rear flange portion 59a.
- the split joint portion 57a is disposed not on the center but on one side in the left-right direction, and contact between the wire harness 6 and the split joint portion 57a is prevented. ing.
- a protector base 47 is composed of a protector base (one split protector) 47a made of synthetic resin and a protector cover (the other split protector) 47b made of synthetic resin.
- a protrusion 55 having a semicircular cross section is integrally provided on the protector base 47a.
- the protrusion 55 traverses the guide tube 48 in the left-right direction and extends toward the protector cover 47b.
- the protrusion 55 is formed on the inner surface of the protector cover 47b.
- the tip (free end) 55a is in contact. Thereby, the division
- the base end 55b of the protrusion 55 continues to intersect the rear curved surface 48a of the guide tube 48 of the protector base 47a.
- the curved wall portion 54 is also provided integrally with the protector base 47a, and the curved wall portion 54a that protrudes shortly from the protector cover 47b overlaps the lower side of the curved wall portion 54 (in the plate thickness direction).
- the wall portion 54 is reinforced, and the split joint portion 57a at one end of the curved wall portion 54 is covered with the curved wall portion 54a of the protector cover 47b from below.
- the protector base 47a and the protector cover 47b are locked to each other by locking means 60 such as a locking frame piece and an engaging claw.
- the wire harness 6 is bent forward from the state of FIG. 9 and is drawn into the protector 47 while sliding along the curved wall portion 54.
- the wire harness 6 slightly warps backward and comes into contact with the protrusion 55, thereby preventing contact with the divided joint 57 outside the protrusion 55 (the protrusion 55 is Otherwise, it will contact the split junction 57).
- the wire harness 6 is illustrated as having an oval cross section, but it may be circular in cross section.
- the wire harness 6 is configured by bundling a plurality of electric wires with a tape or covering with a flexible mesh tube or the like.
- the protector base 47a and the protector cover 47b are divided into left and right.
- the protrusion 55 is hollow and formed in a semi-annular shape.
- the front end side half 55a of the protrusion 55 protrudes from the dividing surface 57 of the protector base 47a toward the protector cover 47b.
- a tongue piece 72 that enters and engages the outside of the protrusion 55 is projected, and the front of the protector cover 47b has a short curved shape that engages the outside of the curved wall portion 54.
- the wall portion 54a is projected.
- a rear side opening 53 cut out below the protrusion 55 of the protector base 47a continues, and the cutout portion of the side opening 53 is covered with the side wall 73 of the protector cover 47b, and the rear side of the vertically long rectangular shape is formed.
- a side opening 53 is formed.
- the front side opening 52 cut out below the curved wall portion 54 of the protector base 47a continues, the cutout portion of the side opening 52 is covered with the side wall 73 of the protector cover 47b, and the upper portion is bent.
- a front side opening 52 having a vertically long rectangular shape is formed.
- a guide tube 48 is constituted by the front, rear, left and right wall portions 49, 50, 73 and 74 of the protector 47.
- the guide tube 48 is not necessarily vertical, but may be formed and arranged in an inclined shape.
- a protrusion 55 is provided immediately below the upper opening 30 of the guide cylinder 48 of the protector 47, and the protrusion 55 crosses the inside of the guide cylinder 48.
- the upper opening 30 is narrowed. This configuration makes it difficult for foreign matter to enter the guide tube 48 from the upper opening 30.
- side openings 52 and 53 are provided in the front wall portion 49 and / or the rear wall portion 50 of the guide tube 48, and the rear wall portion 50 is provided.
- a protrusion 55 is provided immediately above the side opening 53 of the front side wall 53, and extends from the curved wall 54 at the top of the front wall 49 to the front wall 49 (at least to the curved wall 54).
- a side opening 52 is provided.
- the protector 47 is divided into left and right parts, and a projecting portion 55 is formed to extend toward one divided protector 47a toward the other divided protector 47b.
- the projecting portion 55 covers the split joint portion 57 of the protectors 47a and 47b.
- the protrusion 55 is formed in a semicircular cross section.
- the contact angle between the wire harness 6 and the protruding portion 55 (the angle formed between the tangent and the protruding portion 55) is always constant, and the wire harness 6 smoothly contacts the protruding portion 55, thereby interfering with the contact. Sound is prevented, and the wire harness 6 is smoothly slidably contacted with the protrusion 55, so that wear and sliding noise of the wire harness 6 are prevented.
- the protrusion 55 protrudes at an acute angle (pointed)
- a contact noise is generated when the wire harness 6 contacts the tip of the protrusion 55, or the tip 55
- sliding noise and wear of the wire harness 6 may occur, but the worries are eliminated by the semicircular (full R) protrusion.
- the wire harness when the movable structure is opened and closed, such as the constant power supply to the open / close roof of the automobile and the constant power supply to the rotating back door or trunk of the automobile, the wire harness is approximately 90 °. It can be used in a case where it is drawn into the protector while being bent forward in the direction, or pulled out straight from the protector or slightly bent backward.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
- Details Of Indoor Wiring (AREA)
Abstract
Description
されて、ボディ部65の上部側から大きな半径で円弧状に湾曲しつつ上向きに突出している。
の給電側の可動構造体であるサンルーフやルーフ格納用のラゲージドア等(図示せず)に固定されて相手側のワイヤハーネス(図示せず)にコネクタ接続される。
らごみ等の異物がガイド筒内に入りやすいが、入った異物はガイド筒66の付け根側の孔部70から外部に排出され、付け根側の孔部70を通過してしまった異物はボディ部65の底部側の孔部71から外部に排出される。
2,2’,24,28,47 プロテクタ
4,4’,24,48 ガイド筒
6 ワイヤハーネス
7,31,54 湾曲状の壁部
8,25,34’,50 他方の壁部
9,22,32,32’,52,53 側部開口
12,55 突部
12b 上向き傾斜面
14,34,49 一方の壁部
30 上部開口
47a 一方の分割プロテクタ
47b 他方の分割プロテクタ
57 分割接合部
ド筒先端側(開口30の下側)の湾曲状の壁部31に、開口30に連通する下向きの側部開口32を設け、開口30に入ったごみ等の異物10を矢印Cの如く側部開口32から速やかに外部に排出させるようにしている。
が上側に露出されるので、開口内に異物10(図1)が入りやすいが、開口30に入った
異物は開口30の下側に続く側部開口32からすぐに外部に排出されるので、図2(b)のワイヤハーネス6の屈曲時にガイド筒4の内壁面34aとワイヤハーネス6の外面との間に異物10が挟み込まれる心配がなく、ワイヤハーネス6の伸縮動作が常に引っ掛かり等なくスムーズに行われる。なお、湾曲状の壁部31とは反対側の開口部分から侵入する細かい異物に対しては従来同様にボディ部3(図3)の最下部(底部)に排出用の孔部(図示せず)を設けておくことが好ましい。
ら異物10が侵入した場合でも、矢印の如く異物10はワイヤハーネス6の屈曲部6aに
当たって側方に跳ね返って開口32’から外部に即時に排出される。
開口30の湾曲状の壁部7に向けて突出し、突部12の上側の上向きの傾斜面12bが側部開口9の下端9aに続いている。突部12はガイド筒4’の内幅(筒壁8の横幅)の範囲で板状に形成されていることが、異物10の拾い性を高める上で好ましい。
ワイヤハーネス6との間の隙間13からガイド筒内に侵入する細かな異物16は、図6の
如く、プロテクタ2のボディ部3’の底部側に設けた下部開口(孔部)17,18から外部に排出される。ガイド筒4’の上部開口30はガイド筒4’内の真直な長形の孔状の空間19(図5)に連通し、長形な空間19はボディ部3’内の円形の空間20に連通している。
部開口30の鉛直方向にすなわち鉛直線上に貫通形成することが、異物16をプロテクタ2内で落下させつつ速やか且つ確実に排出する上で好ましい。他方の下部開口18がボディ部3’の最下部に形成されており、さらに細かい異物や水滴等を確実に排出させる上で好ましい。ルーフ開時(ワイヤハーネス6を真直に伸ばした状態)に側部開口9とは反対側の筒壁14(図5)に沿って侵入した異物16は他方の下部開口18から排出される。
傾斜し、厚肉部23の肉厚は側部開口22の下端(厚肉部の上端面)23bで最大となり
、側部開口23の下端(厚肉部の上端面)23bから下に向かうにつれて減少している。厚肉部23の内面23aを傾斜状ではなく湾曲状とすることも可能である。
Claims (6)
- プロテクタの上向きのガイド筒の一方の壁部に、該ガイド筒の上部開口に沿う湾曲状の壁部が設けられ、ワイヤハーネスが該湾曲状の壁部に沿って屈曲しつつ導出され、該湾曲状の壁部に異物排出用の側部開口が設けられたことを特徴とする給電装置のプロテクタ構造。
- プロテクタの上向きのガイド筒の一方の壁部に、該ガイド筒の上部開口に沿う湾曲状の壁部が設けられ、ワイヤハーネスが該湾曲状の壁部に沿って屈曲しつつ導出され、該上部開口の近傍で、該湾曲状の壁部に対向する該ガイド筒の他方の壁部に異物排出用の側部開口が設けられたことを特徴とする給電装置のプロテクタ構造。
- 前記上部開口の近傍で、前記湾曲状の壁部に対向する前記ガイド筒の他方の壁部に異物排出用の側部開口が設けられたことを特徴とする請求項1記載の給電装置のプロテクタ構造。
- 前記ガイド筒の内側で前記他方の壁部の側部開口の下側に突部が設けられ、該突部の上向き傾斜面が該側部開口に続いたことを特徴とする請求項2又は3記載の給電装置のプロテクタ構造。
- 前記ガイド筒の内側で前記他方の壁部の側部開口の上側に突部が設けられ、該突部が該ガイド筒内を横断したことを特徴とする請求項2又は3記載の給電装置のプロテクタ構造。
- 前記プロテクタが分割され、一方の分割プロテクタに前記突部が設けられ、該突部が他方の分割プロテクタに向けて延長され、該プロテクタの分割接合部を覆ったことを特徴とする請求項5記載の給電装置のプロテクタ構造。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010502880A JP4908630B2 (ja) | 2008-03-14 | 2009-03-12 | 給電装置のプロテクタ構造 |
US12/596,901 US8247694B2 (en) | 2008-03-14 | 2009-03-12 | Protector structure for electric power feeding apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2008-065312 | 2008-03-14 | ||
JP2008065312 | 2008-03-14 | ||
JP2008112168 | 2008-04-23 | ||
JP2008-112168 | 2008-04-23 |
Publications (1)
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WO2009113636A1 true WO2009113636A1 (ja) | 2009-09-17 |
Family
ID=41065296
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2009/054804 WO2009113636A1 (ja) | 2008-03-14 | 2009-03-12 | 給電装置のプロテクタ構造 |
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Country | Link |
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US (1) | US8247694B2 (ja) |
JP (1) | JP4908630B2 (ja) |
WO (1) | WO2009113636A1 (ja) |
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KR20130099037A (ko) * | 2010-08-09 | 2013-09-05 | 쌩-고벵 글래스 프랑스 | 호일 전도체와 전도체 사이의 전기 접속을 위한 하우징 |
JP2018038173A (ja) * | 2016-08-31 | 2018-03-08 | 株式会社Ihiエアロスペース | ケーブル繰り出し装置 |
WO2022269774A1 (ja) * | 2021-06-22 | 2022-12-29 | トヨタ車体株式会社 | プロテクタ及びワイヤハーネスの経路規制構造 |
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JP6541034B2 (ja) * | 2015-12-22 | 2019-07-10 | 株式会社オートネットワーク技術研究所 | スライド配線装置 |
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Also Published As
Publication number | Publication date |
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US8247694B2 (en) | 2012-08-21 |
JPWO2009113636A1 (ja) | 2011-07-21 |
US20100089609A1 (en) | 2010-04-15 |
JP4908630B2 (ja) | 2012-04-04 |
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