JP2009235704A - Automatic opening and closing device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance the layout property of an automatic opening and closing device for vehicle by simplifying a laying-around structure of a cable from a guide rail side to an opening and closing body side. <P>SOLUTION: A roller unit 15 rockably supported on a sliding door 14 by a spindle 18 includes a pulley shaft 43 parallel to the spindle 18. A distribution pulley 42 is rotatably supported by the pulley shaft 43, and a pulley case 44 housing the distribution pulley 42 is also rockably supported thereby. A closing-side cable 32a is laid over a closing-side pulley groove of the distribution pulley 42 and guided to the sliding door 14, and an opening-side cable 32b is laid over an opening-side pulley groove of the distribution pulley 42 and guided to the sliding door 14. The cables 32a and 32b are guided, between the pulley case 44 and the sliding door 14, by flexible outer tubes 51a and 51b connected to them. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an automatic opening / closing device for a vehicle that automatically opens and closes an opening / closing body such as a slide door provided in a vehicle by a driving source.

  In a wagon type or one box type vehicle, a sliding door is often used as an opening / closing body for opening / closing a doorway provided on the side of the vehicle body.

  Roller units are provided at both the upper and lower ends of the sliding door on the front side of the vehicle and the upper and lower intermediate portions on the rear side of the vehicle, respectively, while the upper and lower edges of the vehicle body entrance and exit and the vehicle body side portion behind the vehicle entrance and exit are provided. Each guide rail is fixed, and each roller unit is movably attached to the corresponding guide rail, so that the sliding door is slidable in the vehicle longitudinal direction along the side of the vehicle body. . Further, the guide rail is provided with a linear portion extending in the vehicle front-rear direction and a retracting portion that curves toward the vehicle interior side, and the slide unit is guided toward the vehicle interior side by guiding the roller unit to the retractable portion. It is pulled in and closed to be flush with the side of the car body.

  On the other hand, in order to facilitate the opening and closing operation of the slide door, an automatic opening and closing device has been developed that is driven by a drive unit (drive source) having an electric motor or the like to automatically open and close the slide door. As such an automatic opening / closing device, a cable type device in which the power of the drive unit is transmitted to the sliding door via a cable is often used, and the cable type automatic opening / closing device is provided inside the sliding door. A so-called drive unit self-propelled type in which a drive unit is arranged is known.

  In a self-propelled automatic opening / closing device, a closed side cable and an open side cable are pulled out from the drive unit, and these cables are respectively drawn into the vehicle body side through the roller unit and are also attached to the corresponding longitudinal ends of the guide rails. It is connected. Then, when one cable is wound up by the drive unit and the other cable is rewound, the slide door is pulled by the cable to open and close.

  By the way, in the automatic opening and closing device in which the guide rail is provided with a pull-in portion so that the slide door is drawn into the vehicle interior side and closed, the roller unit is swingably supported by the slide door by the support shaft, and the curved portion of the guide rail is supported. When it passes, it rotates around a support shaft with respect to the slide door.

Therefore, for example, in the automatic opening and closing device disclosed in Patent Document 1, a pair of pulleys are arranged in the roller unit in the radial direction, and the closed side cable and the open side cable are crossed and guided by these pulleys. Even if the unit swings with respect to the slide door, each cable is reliably guided between the guide rail and the slide door.
JP 2001-336352 A

  However, in the automatic opening / closing device disclosed in Patent Document 1, since a pair of pulleys are arranged in the roller unit in the radial direction, the cable routing structure in the roller unit is complicated, and this automatic opening / closing device is applied to a vehicle. It was a factor that deteriorated the layout.

  Further, in the automatic opening / closing device disclosed in Patent Document 1, each pulley is stored in a case. However, foreign matter such as rainwater or dust enters from the cable lead-out portion of the case, and the operation reliability of the pulley is improved. There was a risk of decline.

  An object of the present invention is to simplify the cable routing structure from the guide rail side to the opening / closing body side, and to improve the layout of the vehicle automatic opening / closing device.

  The automatic opening and closing device for a vehicle according to the present invention is an automatic opening and closing device for a vehicle that automatically opens and closes an opening and closing body provided in the vehicle, and is swingable to the opening and closing body by a guide rail fixed to a vehicle body and a support shaft. A roller unit supported on the guide rail and movably mounted on the guide rail, a distribution pulley rotatably supported on the roller unit by a pulley shaft parallel to the support shaft, and one end on the closed side of the guide rail A closed side cable connected to the vicinity of the end portion, the other end being led to the opening / closing body via the distribution pulley, one end connected to the open side end portion of the guide rail, and the other end to the distribution pulley An open-side cable guided to the open / close body via the open / close body, a drive source that drives the close-side cable and the open-side cable to open / close the open / close body, and the pulley shaft Laurayu A sorting pulley housing case rotatably supported by a lid, and rotatably housing the sorting pulley, and one end connected to the opening and closing body and the other end connected to the sorting pulley housing case, It has a flexible outer tube into which the closed cable and the open cable are inserted.

  The automatic opening and closing device for a vehicle according to the present invention includes a seal member that is attached to a cable lead-out portion toward the guide rail of the sorting pulley housing case and elastically slidably contacts the closed cable and the open cable. It is characterized by that.

  In the automatic opening and closing device for a vehicle according to the present invention, the cable pull-out portion of the sorting pulley housing case is formed in a shape that exposes about half of the outer peripheral portion of the sorting pulley in the circumferential direction. A slit is formed along a circumferential direction of the pulley, and the closed side cable and the open side cable enter and exit the sorting pulley accommodating case through the slit.

  In the automatic opening and closing device for a vehicle according to the present invention, the distribution pulley is provided coaxially with the closed pulley groove over which the closed cable is spanned and the open pulley with which the open cable is spanned. And a groove.

  The automatic opening / closing device for a vehicle according to the present invention includes a guide unit that is supported by the opening / closing body and converts a moving direction of the closed side cable and the opening side cable between the outer tube and the drive source, and the opening / closing body. It has a guide means accommodation case which is fixed and accommodates the guide means and to which one end of the outer tube is connected.

  The automatic opening and closing device for a vehicle according to the present invention is characterized in that the outer tube is connected to at least one of the sorting pulley accommodation case and the guide means accommodation case so as to be movable forward and backward in the axial direction.

  The automatic opening / closing device for a vehicle according to the present invention is characterized in that an elastic cover that covers the outer tube is mounted between the distribution pulley accommodation case and the guide means accommodation case.

  The automatic opening / closing device for a vehicle according to the present invention is such that the guide means is rotatably supported by the opening / closing body by a guide shaft, and is provided with a closed-side conversion pulley provided with a closed-side pulley groove over which the closed-side cable is stretched. It is characterized by comprising an open-side conversion pulley provided with an open-side pulley groove that is provided coaxially and relatively rotatably with the closed-side conversion pulley and over which the open-side cable is stretched.

  According to the present invention, the distribution pulley for guiding the closed cable and the open cable between the guide rail and the opening / closing body is provided in the roller unit, and the distribution pulley storage case for storing the distribution pulley is provided by the pulley shaft. Since the cable is supported by the roller unit so as to be swingable and each cable is guided by the outer tube between the distribution pulley housing case and the opening / closing body, the cable routing structure in the roller unit is simplified, and this vehicle The layout of the automatic opening / closing device can be improved.

  Further, according to the present invention, since the sealing member elastically slidably contacting each cable is attached to the cable lead-out portion to the guide rail side of the sorting pulley housing case, the sealing pulley is used to attach the sorting pulley housing case. It is possible to prevent rain water and foreign matter from entering the inside, and to increase the operational reliability of the vehicle automatic opening / closing device.

  Furthermore, according to the present invention, the cable pull-out portion of the distribution pulley housing case is formed in a shape that exposes the outer peripheral portion of the distribution pulley about half in the circumferential direction, and the vibration is applied to the seal member attached to the cable pull-out portion. A slit is formed along the circumferential direction of the distribution pulley, and the closed side cable and the open side cable are moved in and out of the distribution pulley storage case via the slit. Even if it oscillates, each cable always comes into sliding contact with the seal member, so that it is possible to reliably prevent rainwater and foreign matter from entering the distribution pulley housing case.

  Further, according to the present invention, the distribution pulley is provided with a closed pulley groove over which the closed side cable is spanned and an open side pulley groove provided coaxially with the closed side pulley groove and over which the open side cable is spanned. Therefore, it can guide smoothly, without contacting corresponding cables by each pulley groove, and can improve the operation reliability of this automatic switchgear for vehicles.

  Furthermore, according to the present invention, the movement direction of each cable guided to the opening / closing body by the outer tube is converted by the guide means and guided to the driving source, so that the degree of freedom of arrangement of the outer tube and the driving source is increased. As a result, the layout of the vehicle automatic opening / closing device on the vehicle can be further enhanced.

  Furthermore, according to the present invention, the outer tube is connected to at least one of the distribution pulley storage case and the guide means storage case so as to be movable forward and backward in the axial direction. The change in the movement path length of each outer tube can be absorbed by the forward / backward movement of the outer tube, and the operation reliability of the vehicle automatic opening / closing device can be enhanced.

  Furthermore, according to the present invention, since the elastic cover that covers the outer tube is mounted between the distribution pulley housing case and the guide means housing case, the aesthetics of the portion can be obtained without impairing the flexibility of the outer tube. Can be increased.

  Further, according to the present invention, the guide means is rotatably supported by the opening / closing body by the guide shaft, and is provided coaxially and relatively with the closed side conversion pulley and the closed side conversion pulley provided with the closed side pulley groove over which the closed side cable is stretched. Since it is configured with an open-side conversion pulley provided with an open-side pulley groove over which the open-side cable provided rotatably is provided, even if the rotation direction of each conversion pulley is different, the corresponding cable is smoothly guided. Thus, the operational reliability of the vehicle automatic opening / closing device can be improved.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a side view showing a part of a vehicle provided with a slide door opening / closing device according to an embodiment of the present invention, and FIG. 2 is a perspective view showing details of the sliding door opening / closing device shown in FIG.

  A vehicle 11 shown in FIG. 1 is a one-box type passenger car, and a side door of a vehicle body 12 is provided with a slide door 14 as an opening / closing body for opening and closing an opening 13 for getting on and off.

  A roller unit 15 is provided at an end portion of the slide door 14 on the vehicle rear side and in a substantially middle portion in the vertical direction, and a center rail 16 as a guide rail is fixed to a side portion of the vehicle body 12. As shown in FIG. 2, the roller unit 15 has a structure in which a travel roller 15b and a guide roller 15c are rotatably provided on a main body bracket 15a. The main body bracket 15a is supported by a support bracket 17 fixed to the slide door 14. Is supported by a support shaft 18 in a swingable manner. The support shaft 18 is disposed with its axial direction directed in the vehicle vertical direction, so that the roller unit 15 can swing horizontally with respect to the slide door 14 with the support shaft 18 as an axis.

  On the other hand, as shown in FIG. 2, the center rail 16 includes a straight portion 16a extending in the vehicle front-rear direction and a pull-in portion 16b that bends in the vehicle interior direction with respect to the straight portion 16a. Has been placed. Further, the center rail 16 is formed in a substantially U-shaped cross section, and the roller unit 15 has the center rail 16 so that the traveling roller 15b travels on the center rail 16 and the guide roller 15c is guided by the center rail 16. It is mounted to move freely. As the roller unit 15 moves along the center rail 16, the slide door 14 opens and closes in the vehicle front-rear direction along the side of the vehicle body 12. Further, the roller unit 15 is guided from the straight portion 16a of the center rail 16 to the pull-in portion 16b, so that the slide door 14 is pulled into the vehicle interior and is closed flush with the side surface of the vehicle body 12. ing.

  As shown in FIG. 1, roller units 21 and 22 are also provided at the upper and lower ends of the sliding door 14 on the vehicle front side, and upper rails 23 and lower rails 24 are provided at the upper and lower edges of the opening of the vehicle body 12. The roller units 21 and 22 are fixedly attached to the corresponding rails 23 and 24 so as to be movable. That is, the slide door 14 is supported by the vehicle body 12 at a total of three points.

  In order to automatically open and close the sliding door 14, the vehicle 11 is provided with a sliding door opening and closing device 31 (hereinafter referred to as an opening and closing device 31) as an automatic opening and closing device for the vehicle.

  The opening / closing device 31 includes a closed side cable 32a and an open side cable 32b. The closed side cable 32a has one end near the closed side end of the center rail 16, and the center rail 16 or a vehicle body side portion in the vicinity thereof. The other end is led to the slide door 14 side through the roller unit 15. On the other hand, one end of the open side cable 32 b is connected to the center rail 16 or the vehicle body side portion in the vicinity thereof near the open end of the center rail 16 by a connecting member 34, and from there along the center rail 16. The other end is led to the slide door 14 side via the roller unit 15.

  Here, each of the connecting members 33 and 34 is a member for connecting the cables 32a and 32b to the vehicle body side. However, a spring or the like is built in these to constitute a known tension mechanism, and each of the cables 32a and 32b. You may make it provide tension | tensile_strength.

  The vicinity of the closed end of the center rail 16 refers to the vicinity of the end of the direction in which the roller unit 15 moves when the slide door 14 is closed, and the vicinity of the open end of the center rail 16 refers to the slide door 14. Is the vicinity of the end of the direction in which the roller unit 15 moves when is opened.

  A drive unit 35 as a drive source is disposed inside the slide door 14, and the other ends of the cables 32 a and 32 b are connected to the drive unit 35. As shown in FIG. 2, the drive unit 35 includes an electric motor 35a and a mechanism portion 35b fixed to the electric motor 35a. When the electric motor 35a is operated, the cables 32a and 32b are connected to each other by the mechanism portion 35b. It is driven in the reverse direction. That is, the cables 32a and 32b are driven by the drive unit 35. When the drive unit 35 is driven in the pulling direction of the closed cable 32a and the open cable 32b is driven out, the slide door 14 is automatically closed. When the drive unit 35 is driven in the direction in which the closed side cable 32a is extended and the open side cable 32b is driven in the pulling direction, the slide door 14 is automatically opened.

  In order to distribute the cables 32 a and 32 b led from the drive unit 35 to the roller unit 15 in the closing direction and the opening direction along the center rail 16, the roller unit 15 is provided with a distribution pulley device 41.

  3 is a view of the sorting pulley device shown in FIG. 2 as viewed from the direction A, FIG. 4 is a perspective view showing a state where the seal cover is removed from the sorting pulley device shown in FIG. 3, and FIG. It is a perspective view which shows the sealing state of each cable by a seal cover.

  As shown in FIGS. 3 and 4, the distribution pulley device 41 includes a distribution pulley 42 including a closed pulley groove 42 a and an open pulley groove 42 b, and the distribution pulley 42 is a pulley shaft 43. Thus, the roller unit 15 is rotatably supported by the main body bracket 15a. Here, the pulley shaft 43 is disposed in parallel with the support shaft 18 that supports the roller unit 15 on the slide door 14, and the pulley grooves 42 a and 42 b of the distribution pulley 42 are disposed coaxially with each other in the axial direction. ing. A closed cable 32a arranged from the closed end of the center rail 16 toward the roller unit 15 is stretched over the closed pulley groove 42a and guided to the slide door 14, and from the open end of the center rail 16 to the roller. The open side cable 32b arranged toward the unit 15 is stretched over the open side pulley groove 42b from the side opposite to the closed side cable 32a and led to the slide door 14. Thus, the closed side cable 32a is guided by the closed side pulley groove 42a and the open side cable 32b is guided by the open side pulley groove 42b, so that the corresponding cables 32a, 32b are respectively provided by the pulley grooves 42a, 42b. It is possible to improve the operational reliability of the opening / closing device 31 by smoothly guiding them without contacting each other.

  The sorting pulley 42 is housed in a pulley case 44 as a sorting pulley housing case. The pulley shaft 43 passes through the pulley case 44, and the distribution pulley 42 accommodated in the pulley case 44 is supported by the pulley shaft 43 inside the pulley case 44 and is rotatable. The pulley case 44 is supported by the pulley shaft 43 together with the distribution pulley 42 and is swingable with respect to the roller unit 15 within a predetermined angle range.

  As shown in FIG. 4, a cable lead-out portion 44 a is provided at a portion of the pulley case 44 that faces the center rail 16, and the cable lead-out portion 44 a substantially halves the outer peripheral portion of the distribution pulley 42 in the circumferential direction. The cables 32 a and 32 b that are formed in a shape that is exposed to some extent and are spanned between the closed pulley groove 42 a and the open pulley groove 42 b of the sorting pulley 42 are drawn out of the pulley case 44 from the cable lead-out portion 44 a. It has become.

  In order to prevent foreign matter such as rainwater and dust from entering the inside of the pulley case 44, a seal cover 45 as a seal member is attached to the cable lead portion 44a. The seal cover 45 is formed in a semicircular shape from a rubber material, and is fixed to the pulley case 44 so as to cover the cable lead portion 44a. A slit 45a extending along the circumferential direction of the distribution pulley 42 is formed in the seal cover 45, and the cables 32a and 32b enter and exit the pulley case 44 through the slit 45a. The gaps of the slits 45a are narrower than the diameters of the cables 32a and 32b, and the cables 32a and 32b entering and exiting through the slits 45a expand the slits 45a and elastically deform the seal cover 45. ing. As a result, the edge of the slit 45a of the seal cover 45 is elastically slidably contacted with the cables 32a and 32b, and foreign matters and the like attached to the operating cables 32a and 32b are removed by the seal cover 45, and the cables 32a and 32b are Thus, foreign matter can be prevented from entering the pulley case 44 through the intermediate portion. Further, since the slit 45a is formed to extend along the circumferential direction of the distribution pulley 42, the pulley case 44 swings with respect to the roller unit 15 around the pulley shaft 43, as shown in FIG. Even if the direction in which the cables 32 a and 32 b are drawn out from the distribution pulley 42 changes, the cables 32 a and 32 b can always be brought into elastic contact with the slit 45 a and foreign matter can be removed by the seal cover 45.

  A pair of outer tubes 51 a and 51 b are provided between the pulley case 44 and the slide door 14 in order to guide the cables 32 a and 32 b between the distribution pulley 42 and the slide door 14.

  These outer tubes 51a and 51b are formed in a long cylindrical shape having a flexible three-layer structure, and by laminating a liner member, a flat wire member and a covering member in this order from the center side. A casing cap 51c made of resin is integrally provided at one end of the outer tube 51a, and the axial direction of the outer tubes 51a and 51b is tangential to the tangential direction of the closed pulley groove 42a of the distribution pulley 42. The casing cap 51c is engaged and connected to the pulley case 44 so as to coincide with each other. Similarly, a resin casing cap 51d is integrally provided at one end of the outer tube 51b, and the casing cap 51c is provided on the vehicle front side of the outer tube 51a. The axial direction of the outer tube 51b is tangential to the open pulley groove 42b of the distribution pulley 42. To match the casing cap 51d is engaged coupled to a pulley case 44. As shown in FIG. 2, the other ends of the outer tubes 51a and 51b are drawn into the interior of the slide door 14 via connectors 52 provided on the panel 14a of the slide door 14, and are provided integrally on the distal end side thereof. The resin-made casing caps 51 e and 51 f are engaged and connected to the drive unit 35. Note that a portion from the connector 52 of the outer tubes 51a and 51b to a portion in front of the pulley case 44 is covered with a rubber cover 53. The connector 52 includes a through hole 52 a that penetrates in the vertical direction of the vehicle 11, and is disposed on the vehicle upper side of the drive unit 35. The closed side cable 32a spanned over the closed side pulley groove 42a is inserted into the outer tube 51a, and the open side cable 32b spanned over the open side pulley groove 42b is inserted into the outer tube 51b. Each is guided to the drive unit 35 through the connector 52 from above the vehicle.

  FIG. 6A is an explanatory view showing the state of the sorting pulley device when the roller unit moves along the straight part of the center rail, and FIG. 6B shows the state when the roller unit moves along the pull-in part of the center rail. It is explanatory drawing which shows the state of this sorting pulley apparatus.

  As shown in FIG. 6A, when the slide door 14 is opened by a predetermined opening or more and the roller unit 15 is in the straight portion 16 a of the center rail 16, the sorting pulley 42 is closer to the vehicle than the connector 52 of the slide door 14. The outer tubes 51 a and 51 b are curved between the pulley case 44 and the connector 52 on the indoor side.

  When the slide door 14 is closed from this state and the roller unit 15 reaches the retracting portion 16b of the center rail 16 as shown in FIG. 6B, the roller unit 15 is aligned with the direction of the retracting portion 16b. 14, the pulley case 44 rotates about the pulley shaft 43 so as to follow the rotation of the roller unit 15. Then, when the pulley case 44 moves to a side-by-side position with respect to the connector 52 by the rotation of the roller unit 15, the pulley case 44 swings about the pulley shaft 43 and the pulley case 44 and the connector 52 (slide door 14). ), The outer tubes 51a and 51b are bent to be linear, and the cables 32a and 32b are connected between the distribution pulley 42 and the slide door 14 regardless of the rotation of the roller unit 15. Is surely guided.

  As described above, in the opening / closing device 31, the cables 32a and 32b are guided from the center rail 16 side to the slide door 14 side by the distribution pulley 42 provided in the roller unit 15, and the pulley case for accommodating the distribution pulley 42 is accommodated. 44 is swingably supported by the roller unit 15 by the pulley shaft 43, and the cables 32a and 32b are guided between the pulley case 44 and the slide door 14 by flexible outer tubes 51a and 51b. Therefore, the cables 32 a and 32 b can be made to follow the rotation of the roller unit 15 with a simple handling structure. Thereby, the layout property of this switchgear 31 can be improved.

  7 is a perspective view showing a modification of the opening / closing device shown in FIG. 2, FIG. 8 is a side view of the conversion pulley device shown in FIG. 7, and FIG. 9 shows the internal structure of the conversion pulley device shown in FIG. It is explanatory drawing. 7 to 9, members corresponding to the members described above are denoted by the same reference numerals.

  In the case shown in FIG. 2, the connector 52 is fixed to the panel 14a of the slide door 14 with the through hole 52a facing the vehicle in the vertical direction, the outer tubes 51a and 51b are connected to the connector 52 from above the vehicle, and each cable 32a, 32b is guided through the connector 52 in the vertical direction to the drive unit 35.

  On the other hand, in the modification shown in FIG. 7, a conversion pulley device 61 as a guide means is fixed to the inner surface of the panel 14 a of the slide door 14, and each outer tube 51 a, 51 b is converted from the horizontal direction to the vehicle 11. The device 61 is connected to the slide door 14. The conversion pulley device 61 converts the movement direction of the cables 32 a and 32 b drawn into the slide door 14 in the horizontal direction to the vehicle 11 into the vehicle vertical direction, and is below the conversion pulley device 61. It guides to the arranged drive unit 35.

  The conversion pulley device 61 includes a fixed bracket 63 that is fixed to the inner surface of the panel 14a of the slide door 14 by bolts 62a and nuts 62b. A pulley case 64 as a guide means accommodation case is fixed to the fixed bracket 63. Has been. The pulley case 64 is provided with a pulley shaft 65 as a guide shaft horizontally on the vehicle 11. The pulley case 64 is rotatably supported by the pulley shaft 65 inside the pulley case 64, and the closed side conversion pulley 66 a and the open side conversion. A pair of conversion pulleys 66a and 66b of the pulley 66b are accommodated coaxially and relatively rotatably.

  Each outer tube 51a, 51b is connected to a pulley case 64, and the closed side cable 32a led to the conversion pulley device 61 by the outer tube 51a is stretched over the closed side pulley groove 66c of the closed side conversion pulley 66a. The open side cable 32b led to the conversion pulley device 61 by 51b is stretched over the open side pulley groove 66d of the open side conversion pulley 66b. As a result, the movement directions of the cables 32 a and 32 b are converted by the corresponding conversion pulleys 66 a and 66 b by about 90 degrees from the direction horizontal to the vehicle 11 to the direction substantially perpendicular to the vehicle 11. That is, the cables 32a and 32b guided horizontally from the distribution pulley 42 to the conversion pulley device 61 are respectively connected between the outer tubes 51a and 51b and the drive unit 35 by the corresponding conversion pulleys 66a and 66b. The moving direction is converted to a direction perpendicular to the vehicle 11.

  Thus, in this opening / closing device 31, the outer tubes 51a, 51b are converted between the outer tubes 51a, 51b and the drive unit 35 by converting the moving directions of the cables 32a, 32b using the conversion pulleys 66a, 66b. The cables 32a and 32b can be efficiently guided to the drive unit 35 regardless of the connection position and direction with the slide door 14, thereby increasing the degree of freedom of arrangement of the outer tubes 51a and 51b and the drive unit 35, The layout of the switchgear 31 on the vehicle 11 can be further enhanced.

  In the opening / closing device 31, the conversion pulley device 61 is provided with a pair of conversion pulleys 66a and 66b of a close side conversion pulley 66a and an open side conversion pulley 66b, and the closed side cable 32a is passed over the close side conversion pulley 66a and opened. Since the side cable 32b is passed over the open side conversion pulley 66b, the corresponding cables 32a and 32b are smoothly guided even when the rotation directions of the conversion pulleys 66a and 66b are different, and the operation reliability of the switchgear 31 is confirmed. Can increase the sex.

  As shown in FIG. 9, the pulley case 64 is provided with a pair of connecting chambers 64a and 64b extending from the portions facing the panel 14a in the tangential direction of the respective conversion pulleys 66a and 66b, and the outer tubes 51a and 51b. Casing caps 51g and 51h provided integrally at the respective tips are connected to corresponding connecting chambers 64a and 64b, respectively. The casing caps 51g and 51h are movable forward and backward in the axial direction of the connection chambers 64a and 64b inside the corresponding connection chambers 64a and 64b, so that the pulley case 44 of the distribution pulley device 41 is moved to the pulley shaft. 43, the casing caps 51g and 51h move forward and backward in the connection chambers 64a and 64b even if the distance between the pulley case 44 and the conversion pulley device 61 changes along with the swing. Changes in the movement path length of the outer tubes 51a and 51b are absorbed.

  As described above, in the opening / closing device 31, the casing caps 51g and 51h provided integrally with the distal ends of the outer tubes 51a and 51b are connected to the pulley case 64 of the conversion pulley device 61 so as to be movable forward and backward in the axial direction. Since it did in this way, the change of the movement path length of the outer tubes 51a and 51b between the distribution pulley apparatus 41 and the conversion pulley apparatus 61 is absorbed by the said advancing / retreating movement, and the operating reliability of this opening / closing apparatus 31 is improved. Can do.

  In the modification shown in FIG. 7, an elastic cover 71 that covers the outer peripheral sides of the outer tubes 51a and 51b is mounted between the pulley case 44 and the panel 14a. The elastic cover 71 is made of rubber, and can be bent together with the outer tubes 51 a and 51 b as the pulley case 44 swings around the pulley shaft 43. By mounting such an elastic cover 71, the beauty of the sorting pulley device 41 exposed to the outside at the roller unit 15 can be enhanced.

  Further, also in the modification shown in FIG. 7, a seal cover 45 as a seal member is attached to the cable lead-out portion 44a of the pulley case 44 of the distribution pulley device 41, and the pulley case is covered so as to cover the cable lead-out portion 44a. 44 is fixed. And the slit 45a extended along the circumferential direction of the distribution pulley 42 is formed in the seal cover 45, and each cable 32a, 32b goes in and out of the pulley case 44 via this slit 45a, The edge of the slit 45a of the seal cover 45 elastically slidably contacts the cables 32a and 32b, and foreign matters and the like attached to the operating cables 32a and 32b are removed by the seal cover 45, and the pulleys are connected via the cables 32a and 32b. Foreign matter is prevented from entering the case 44.

  Outer tubes 81a and 81b are connected between the pulley case 64 and the drive unit 35, and the cables 32a and 32b are guided from the pulley case 64 to the drive unit 35 by the corresponding outer tubes 81a and 81b.

  It goes without saying that the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. For example, in the above-described embodiment, the outer tubes 51a and 51b have a three-layer structure. However, the outer tubes 51a and 51b are not limited to this, and may be formed to have flexibility such as resin or rubber. That's fine.

  In the above embodiment, the outer tubes 51a and 51b are connected to the pulley case 64 that accommodates the conversion pulleys 66a and 66b so that the outer tubes 51a and 51b can move forward and backward. The outer tubes 51a and 51b may be connected to the accommodating pulley case 44 so as to be movable forward and backward, and the outer tubes 51a and 51b may be connected to both the pulley cases 44 and 64 so as to be movable forward and backward. Good.

  Furthermore, in the above-described embodiment, each cable 32a, 32b is guided by one distribution pulley 42 having a closed pulley groove 42a and an open pulley groove 42b. The cables 32a and 32b may be guided by two sorting pulleys that are individually rotatable with pulley grooves 42a and 42b formed individually. In this case, when a tension mechanism is arranged on each connecting member 33, 34, the cable length between each distribution pulley and the connecting member 33, 34 changes slightly. It is particularly effective for the rotation corresponding to

  Furthermore, in the above-described embodiment, the cables 32a and 32b are guided by the separate conversion pulleys 66a and 66b as guide means. However, the present invention is not limited to this, and the cables 32a and 32b are connected by a single conversion pulley. Any guide means that can guide each cable 32a, 32b in a direction parallel to the support shaft, such as a slider member having a sliding surface on which the cable slides, may be used.

  Further, in the above-described embodiment, the pair of conversion pulleys 66a and 66b are rotatably supported by the pulley shaft 65. However, the present invention is not limited to this, and each of the conversion pulleys 66a and 66b is an individual pulley. It may be supported on a shaft.

  Further, in the above-described embodiment, the center drive system is such that the cables 32 a and 32 b are connected to the center rail 16. However, the present invention is not limited to this, and for example, the lower drive that connects the cables 32 a and 32 b to the lower rail 24. It is good also as a system.

  Furthermore, in the above-described embodiment, the drive unit 35 is disposed below the conversion pulley device 61, and the moving direction of the cables 32 a and 32 b guided horizontally from the distribution pulley device 41 is lowered below the vehicle by the conversion pulley device 61. Although it converts, it is not restricted to this, According to the position of the drive unit 35 with respect to the conversion pulley apparatus 61, the conversion direction of the cables 32a and 32b by the conversion pulley apparatus 61 can be set arbitrarily.

It is a side view showing a part of vehicles provided with a slide door opening and closing device which is one embodiment of the present invention. It is a perspective view which shows the detail of the slide door opening / closing apparatus shown in FIG. It is the figure which looked at the distribution pulley apparatus shown in FIG. It is a perspective view which shows the state which removed the seal cover from the distribution pulley apparatus shown in FIG. It is a perspective view which shows the sealing state of each cable by a seal cover. (A) is explanatory drawing which shows the state of the distribution pulley apparatus when a roller unit moves the linear part of a center rail, (b) is a distribution pulley when a roller unit moves the drawing-in part of a center rail It is explanatory drawing which shows the state of an apparatus. It is a perspective view which shows the modification of the opening / closing apparatus shown in FIG. It is a side view of the conversion pulley apparatus shown in FIG. It is explanatory drawing which shows the internal structure of the conversion pulley apparatus shown in FIG.

Explanation of symbols

11 Vehicle 12 Vehicle 13 Opening 14 Sliding door
14a Panel 15 Roller unit 15a Body bracket 15b Traveling roller 15c Guide roller 16 Center rail (guide rail)
16a Linear portion 16b Pull-in portion 17 Support bracket 18 Support shaft 21, 22 Roller unit 23 Upper rail 24 Lower rail 31 Slide door opening / closing device (automatic vehicle opening / closing device)
32a Closed cable 32b Open cable 33, 34 Connecting member 35 Drive unit (drive source)
35a Electric motor 35b Mechanism 41 Distribution pulley device 42 Distribution pulley 42a Closed pulley groove 42b Open pulley groove 43 Pulley shaft 44 Pulley case (Distribution pulley housing case)
44a Cable lead-out part 45 Seal cover (seal member)
45a Slit 51a, 51b Outer tube 51c, 51d Casing cap 51e, 51f Casing cap 51g, 51h Casing cap 52 Connector 52a Through hole 53 Cover 61 Conversion pulley device (guide means)
62a bolt 62b nut 63 fixing bracket 64 pulley case (guide means accommodation case)
64a, 64b Connection chamber 65 Pulley shaft (guide shaft)
66a Close side conversion pulley 66b Open side conversion pulley 66c Close side pulley groove 66d Open side pulley groove 71 Elastic cover 81a, 81b Outer tube

Claims (8)

An automatic opening and closing device for a vehicle that automatically opens and closes an opening and closing body provided in a vehicle,
A guide rail fixed to the vehicle body,
A roller unit that is swingably supported by the opening / closing body by a support shaft and is movably mounted on the guide rail;
A sorting pulley rotatably supported by the roller unit by a pulley shaft parallel to the support shaft;
One end is connected to the vicinity of the closed end of the guide rail, and the other end is guided to the opening / closing body via the sorting pulley,
One end is connected near the open end of the guide rail, and the other end is led to the opening / closing body via the sorting pulley, and an open cable,
A drive source disposed on the opening and closing body to drive the closing side cable and the opening side cable to open and close the opening and closing body;
A sorting pulley housing case rotatably supported by the roller unit by the pulley shaft and housing the sorting pulley rotatably;
One end is connected to the opening and closing body, the other end is connected to the sorting pulley housing case, and the inside has a flexible outer tube through which the closed side cable and the open side cable are inserted. An automatic opening / closing device for a vehicle.   2. The automatic opening and closing device for a vehicle according to claim 1, wherein the sealing member is attached to a cable drawing portion toward the guide rail of the sorting pulley housing case and elastically slidably contacts the closed side cable and the open side cable. An automatic opening / closing device for a vehicle characterized by comprising:   3. The automatic opening and closing device for a vehicle according to claim 2, wherein a cable lead-out portion of the sorting pulley housing case is formed in a shape that exposes an outer peripheral portion of the sorting pulley in a circumferential direction, and the seal member includes the An automatic opening / closing device for a vehicle, wherein a slit is formed along a circumferential direction of the distribution pulley, and the closed side cable and the open side cable enter and exit the distribution pulley accommodation case through the slit.   4. The automatic opening and closing device for a vehicle according to claim 1, wherein the distribution pulley is provided coaxially with a closed pulley groove and a closed pulley groove over which the closed cable is stretched. An automatic opening / closing device for a vehicle, comprising: an open side pulley groove over which an open side cable is stretched.   The automatic opening and closing device for a vehicle according to any one of claims 1 to 4, wherein a movement direction of the closed side cable and the open side cable is supported between the outer tube and the drive source and supported by the open / close body. An automatic opening / closing device for a vehicle, comprising: a guide means for conversion; and a guide means housing case that is fixed to the opening / closing body to house the guide means and to which one end of the outer tube is connected.   6. The automatic opening and closing device for a vehicle according to claim 5, wherein the outer tube is connected to at least one of the distribution pulley accommodation case and the guide means accommodation case so as to be movable forward and backward in the axial direction. Automatic switchgear.   7. The automatic opening / closing device for a vehicle according to claim 5 or 6, wherein an elastic cover for covering the outer tube is mounted between the distribution pulley housing case and the guide means housing case. .   The automatic opening and closing device for a vehicle according to any one of claims 5 to 7, wherein the guide means is rotatably supported by the opening and closing body by a guide shaft, and the closed side pulley groove is spanned around the closed side cable. A closed-side conversion pulley provided with a closed-side conversion pulley, and an open-side conversion pulley provided with an open-side pulley groove provided coaxially and relatively rotatably with the closed-side conversion pulley and over which the open-side cable is stretched. Automatic opening and closing device.

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