JP4670649B2 - Sliding door device for vehicle - Google Patents

Description

  The present invention relates to a sliding door device that opens and closes a door opening of a vehicle body, and more particularly to a vehicle sliding door device that automatically opens and closes a sliding door by a driving device.

  Conventionally, a sliding door device for a vehicle that automatically opens and closes a sliding door is described in Patent Documents 1 and 2 below.

  FIG. 11 shows a typical example of this type of conventional sliding door device. The slide door 80 includes an upper rail 91 and a lower rail 92 that are installed along the upper and lower edges of the door opening 90 formed on the side surface of the vehicle body B, and a center rail 93 that is installed on the quarter panel 94 behind the door opening 90. Each is supported by a guide roller (not shown) so as to be movable back and forth, and opens and closes the door opening 90. The cable guide 1 is provided along the lower edge of the center rail 93 on the vehicle body side.

  The sliding door 80 incorporates a driving device 81 having an electric motor or the like in an internal space. The driving device 81 has first and second cables 2 and 7 connected so as to be wound and fed out. Is provided. The first and second cables 2 and 7 are passed from the door 80 side to the vehicle body B side through a relay pulley 82 and a guide pulley 83 provided in the door 80, and are routed in the front-rear direction along the cable guide 1. Yes. The front end of the first cable 2 is coupled to the vehicle body via a tensioner 20 that applies tension to the cable 2 at the front end position of the cable guide 1, and the second cable 7 is connected to the cable 7 at the rear end position of the cable guide 1. It is coupled to the vehicle body side via a tensioner 70 that applies tension.

The slide door drive device moves the slide door 80 to the rear open position by winding the second cable 7 while feeding the first cable 2 by the drive device 81 at the closed position of the slide door 80, and from the door closed position. The second cable 7 is sent out while winding the first cable 2 by the driving device 81 to move to the closed position.
JP 2003-82928 A JP 2004-176417 A

  By the way, the front end (tensioner 20) of the first cable 2 is coupled to the pillar front end surface 96 of the rear pillar 95 that forms the rear edge of the door opening 90. In this case, as shown in FIG. A bracket 10 made of a metal plate is provided to fasten this to the vehicle body side. The bracket 10 has an auxiliary guide 3 that bends and guides the first cable 2 downward at a position in front of the cable guide 1 and a front obliquely lower position of the cable guide 1. A tensioner mounting portion 4 for fixing the tensioner 20 is provided. The first cable 2 is bent downward along the auxiliary guide 3, and the tensioner 20 is fitted and locked to the tensioner mounting portion 4 in the vertical direction so that the tip of the first cable 2 is coupled to the vehicle body side. .

  However, the operation of connecting the front end of the first cable 2 to the vehicle body side is performed after the slide door 80 is assembled to the vehicle body B, and the slide door 80 assembled to the vehicle body side is the door front end even when the door is fully open. The position is in front of the rear edge of the opening 90 (the front end surface 96 of the rear pillar 95), and the connecting operation of the tip of the cable 2 cannot be performed from the outside of the door opening 90, and the operation is performed from the vehicle interior side. In the work from the vehicle interior side, the work space is limited, and the work must be performed toward the pillar front end surface 96 side along the vehicle compartment surface of the slide door 80, and the workability is not good. For this reason, the work is inaccurate, and the work of passing the cable 2 through the auxiliary guide and the work of fitting and locking the tensioner 20 to the tensioner mounting portion 4 may be incomplete. SUMMARY OF THE INVENTION Accordingly, the present invention provides a vehicular sliding door device capable of accurately and accurately connecting the end of a cable to the vehicle body side without causing the cable to be detached from the auxiliary guide and the tensioner from being removed from the mounting portion. Is made as an issue.

  The present invention provides a guide rail provided on a vehicle body, a slide door supported slidably on the guide rail, a motor drive device disposed on the slide door, and a cable guide disposed along the guide rail. The first cable is provided in the motor drive device so as to be able to be wound and unwound, the front end is coupled to the vehicle body on the front end side of the cable guide, and the portion between the slide door and the front end is held by the cable guide And the motor drive device is provided so as to be able to wind and unwind, the front end is coupled to the vehicle body on the rear end side of the cable guide, and the portion between the slide door and the front end is held by the cable guide. 2 cables, and the second cable is unwound while the first cable is wound by the driving device. The door moves along the guide rail in the closing direction of the door opening, and the slide door is opened along the guide rail by winding the second cable while feeding the first cable by the driving device. A sliding door device for a vehicle that moves in a direction, which is disposed on a front end side of the cable guide, is connected to an auxiliary guide that guides the first cable in a predetermined direction, and a front end of the first cable. A tensioner for applying tension to the vehicle body, and the auxiliary guide and the tensioner are assembled to the vehicle body in a state of being coupled to each other, and the tip of the first cable is coupled to the vehicle body side via the tensioner. 1). Since the auxiliary guide is coupled to the tensioner side, there is no need to perform the operation of passing the first cable through the auxiliary guide on the vehicle body side, and the first cable can be easily and reliably passed through the auxiliary guide. In addition, since the auxiliary guide and the tensioner are attached to the vehicle body at a time, the number of work steps on the vehicle body can be reduced, and the tensioner can be securely attached to the vehicle body.

  The front end of the cable guide is provided with a front end bracket that is fixed to the vehicle body, and the front end of the cable guide is coupled to the front end surface of the vehicle body pillar that forms the rear edge of the door opening of the vehicle body via the front end bracket. The bracket is provided with a tensioner mounting portion at an obliquely lower front position of the front end of the cable guide, the tensioner is mounted on the tensioner mounting portion, and the tip of the first cable is coupled to the front end surface of the vehicle body pillar, and the auxiliary guide Is formed in a curved shape that gently curves upward and rearward from the tensioner toward the front end of the cable guide, and the leading end of the first cable is guided in a curved shape from the front end of the cable guide toward the obliquely downward front. (Claim 2). The present invention can be suitably applied to a slide door device in which the tip of the first cable provided with a tensioner is coupled to the front end surface of the vehicle body pillar.

  The tensioner has a cylindrical projecting insertion portion through which the tip of the first cable is inserted into the casing on the upper end surface of a box-shaped casing that surrounds the outer periphery, and the auxiliary guide is connected to the cable from the tensioner side. A guide body that extends in a curved shape toward the front end side of the guide and has a guide groove that guides the cable, and a cover body that covers the opening of the guide groove on the lower end side of the guide body; Pass the cable through the guide groove of the main body, cover the opening of the guide groove with the cover body, and configure the lower end portion of the guide main body into a cylindrical shape, and sandwich the insertion portion between the guide main body and the cover body, The auxiliary guide is coupled (Claim 3). The operation of passing the first cable through the auxiliary guide and the connection between the tensioner and the auxiliary guide can be facilitated.

  The tensioner mounting part and the front end bracket of the cable guide are configured separately, and the tensioner mounting part is fastened and fixed to the front end bracket of the cable guide with the tensioner attached thereto. After the tensioner is fitted and locked to the tensioner mounting portion, the tensioner mounting portion is fastened to the vehicle body side and the tensioner is mounted to the vehicle body side, so that the tensioner can be mounted more reliably.

  An embodiment in which the present invention is applied to a sliding door device of a vehicle will be described. The sliding door device of this embodiment is a door device that automatically opens and closes a sliding door similar to the conventional structure. As shown in FIG. 11, the upper and lower edges of the door opening 90 formed on the side surface of the vehicle body B, and A slide door 80 is supported by an upper rail 91, a lower rail 92, and a center rail 93 installed along the quarter panel 94 behind the door opening 90 so as to be movable forward and backward through a guide roller (not shown). .

  The center rail 93 is fastened by a plurality of screw members N in a concave groove portion 941 extending in the front-rear direction of the outer surface of the quarter panel 94, and the front end of the center rail 93 is gently curved toward the passenger compartment side to open the door. It is fastened to the front end face 96 of the vehicle body pillar 95 that forms the rear edge of the opening 90. The center rail 93 is provided with a cable guide 1 that holds first and second cables 2 and 7 described later over the entire length of the lower edge thereof. The cable guide 1 is locked and fixed along the lower edge of the center rail 93 by a plurality of clips (not shown), the front end bracket 10 provided at the front end is fastened to the front end surface 96 of the vehicle body pillar 95, and the rear end The end bracket 11 is fastened to the rear end of the groove 941 of the quarter panel 94.

  A motor drive device 81 having an electric motor or the like at the lower end is provided in the slide door 80, and a relay pulley 82 and a guide pulley 83 are assembled at front and rear positions near the door belt line. The motor drive device 81 is provided with a first cable 2 and a second cable 7 so as to be wound or fed out.

  The first and second cables 2 and 7 are passed from the rear end of the door 80 to the vehicle body side via the relay pulley 82 and the guide pulley 83, and the first cable 2 is routed forward along the cable guide 1. The front end is coupled to the vehicle body side via the front end bracket 10 of the cable guide 1, the second cable 7 is routed rearward along the cable guide 1, and the front end of the cable is connected via the rear end bracket 11 of the cable guide 1. It is connected to the car body.

  The sliding door device opens the door opening 90 by automatically moving the sliding door 80 rearward from the closed position by winding the second cable 7 while feeding the first cable 2 by the motor driving device 81, and conversely the motor. By driving the second cable 7 while winding the first cable 2 with the driving device 81, the slide door 80 is automatically moved forward from the open position to close the door opening 90.

  Hereinafter, the details of the connecting portion to the vehicle body side at the tip of the first cable 2 according to the main part of the present invention will be described with reference to FIGS. As shown in FIGS. 1 to 3, the front end bracket 10 of the cable guide 1 is a metal plate that extends obliquely downward from the front end of the cable guide 1, and the rear upper end thereof is caulked and joined to the front end of the cable guide 1 by a rivet. . The front end bracket 10 is fastened to the front end surface 96 of the vehicle body pillar 95 by a screw member N through a through hole formed near the center thereof. A tensioner mounting portion 4 for attaching a tensioner 20 connected to the tip of the first cable 2 is formed in the lower part of the front end of the front end bracket 10 in the vertical direction.

  The tensioner mounting portion 4 has a substantially L-shaped cross section that opens forward and to the outside of the vehicle, with a welded portion 41 that is overlapped and welded to the lower portion of the front end of the front end bracket 10 and a rear surface portion 42 that is bent from the rear end and projects outward. It consists of a metal plate. The tensioner mounting portion 4 is formed with an upper surface portion 43 that is bent forward from the upper end of the rear surface portion 42 to cover the upper portion, and a slit 44 that is cut out in a substantially U shape from the outside of the vehicle is provided at the center of the upper surface portion 43. It is. The rear surface portion 42 is formed with a locking hole 45 having a long diameter in the vertical direction at the center.

  Further, the front end bracket 10 is formed with a tongue-shaped auxiliary guide support portion 46 which is bent from the upper edge of the bracket and protrudes to the outside of the vehicle between the tensioner mounting portion 4 and the front end of the cable guide 1.

  The tensioner 20 connected to the tip of the first cable 2 is configured in a box-shaped casing made of synthetic resin, and an insertion portion 21 through which the first cable 2 is inserted is formed at one end of the casing. . The insertion portion 21 has a cylindrical shape that protrudes outward from the one end, and has a tip that is expanded in a funnel shape. The tensioner 20 accommodates the tip end of the first cable 2 through the insertion portion 21 and urges the tip end of the first cable 2 into the tensioner 2 by a spring provided in the casing so that tension is applied to the first cable 2. Like to give.

  The tensioner 20 is formed with a handle portion 22 which is gripped by an operator when fitting and locking the tensioner mounting portion 4 on the outer peripheral surface of the casing outside the vehicle, and the tensioner mounting portion 4 is provided on the outer peripheral rear surface of the casing. Corresponding to the rear surface portion 42, there is provided a locking piece 23 that is close to and opposed to the outer peripheral rear surface at a predetermined interval. The locking piece 23 is formed in a substantially L-shaped cross section with a base end portion projecting rearward from the outer peripheral rear surface and a locking portion bent from the base end portion and extending in parallel with the outer peripheral rear surface. The front end of the locking piece 23 is provided with a locking claw that protrudes toward the outer peripheral rear surface side.

  As shown in FIGS. 3 to 7, the auxiliary guide 3 is made of synthetic resin and is composed of two parts including a guide main body 3 a and a cover body 3 b assembled to the guide main body 3 a, and has a structure in which the lower end is connected to the tensioner 20. is there. The guide main body 3a is formed in an arc shape from the lower end upward and rearward, and a guide groove 31 through which the first cable 2 is passed is formed on the outer surface of the guide main body 3a over its entire length. Form a letter shape. The lower end and the rear end of the guide groove 31 are open, and the lower end is formed with a connecting portion 32 that can be fitted to the insertion portion 21 by expanding the groove width corresponding to the insertion portion 21 of the tensioner 20. . The guide body 3a has a cover body 3b assembled to the outside of the lower half of the vehicle.

  An intermediate portion of the guide body 3a is provided with an overhang portion 30 that extends outward from the lower half portion and expands the lateral width of the guide body 3a. The overhang portion 30 gradually increases in width toward the rear end. It is formed in a tapered shape that makes it smaller. This is so that when the cover body 3b is assembled to the lower half, the lateral width is smoothly reduced from the lower half to the rear end. The lower end of the guide body 3a has an enlarged front-rear width, and rectangular tunnel-like locking holes 33, 33 that open toward the vehicle outer side and extend in the lateral width direction of the guide main body 3a are formed on both front and rear sides of the lower end. is there. The rear ends of the locking holes 33, 33 are bent forward and backward, respectively. A small-diameter pin fitting hole 34 is formed on the upper edge side of the guide groove 31 in the lower half of the guide body 3a.

  The cover body 3b has a short rod shape corresponding to the lower half portion of the guide body 3a, and has a substantially inverted U-shaped cross section provided with a guide groove 31a that opens inward of the vehicle symmetrically with the guide groove 31. A connecting portion 32a is formed at the lower end of the guide groove 31a so that the groove width of the guide groove 31a is increased and the insertion portion 21 can be fitted in the same manner as the guide body 3a.

  A pair of front and rear locking pieces 35, 35 projecting inward of the cover body 3 b are provided at the lower end of the cover body 3 b with the front and rear widths enlarged, facing the locking holes 33, 33 of the guide body 3 a. Each locking piece 35, 35 has a locking claw at the tip. The cover body 3b is formed with a pin 36 that protrudes toward the inside of the vehicle corresponding to the pin fitting hole 34 of the guide body 3a on the upper edge side of the guide groove 31a.

  The auxiliary guide 3 passes the first cable 2 through the guide groove 31 of the guide body 3a, covers the lower half of the guide body 3a with the cover body 3b from the outside of the vehicle, and a pair of front and rear locking pieces 35, 35 and the pin 36 are fitted into the locking holes 33 and 33 and the pin fitting hole 34 of the guide main body 3a, respectively, and the guide grooves 31 and 31a of the both 3a and 3b are aligned with each other and overlapped. At this time, the insertion portion 21 of the tensioner 20 is sandwiched from both sides by the connecting portion 32 at the lower end of the groove of the guide body 3a and the connecting portion 32a of the cover body 3b, and the auxiliary guide 3 and the tensioner 20 are connected. The guide body 3a and the cover body 3b are formed into a cylindrical shape by being overlapped, and in this state, the locking claws at the tips of the locking pieces 35 and 35 are locked to the bent portions of the locking holes 33 and 33.

  In this manner, the first cable 2 is passed through the auxiliary guide 3 and the auxiliary guide 3 and the tensioner 20 are connected, and the front end bracket 10 of the cable guide 1 of the cable guide 1 is fastened to the vehicle body side. Fix to the tensioner mounting portion 4. The tensioner 20 is in a vertical position, and is placed on the tensioner mounting portion 4 from the outside of the vehicle, and the upper surface portion 43 of the tensioner mounting portion 4 is inserted into a small gap between the bottom surface of the auxiliary guide 3 and the upper surface of the tensioner 20. The base of the insertion portion 21 of the tensioner 20 is fitted into the slit 44. At the same time, the rear surface portion 42 of the tensioner mounting portion 4 is press-fitted into the gap between the outer peripheral rear surface of the tensioner 20 and the locking piece 23 to be locked in the locking claw of the locking piece 23 and the locking hole 45 of the rear surface portion 42. . When the tensioner 20 is attached to the tensioner attachment portion 4, the lower surface of the auxiliary guide 3 comes into contact with the guide support portion 46 of the front end bracket 10, thereby supporting the auxiliary guide 3.

  According to the present embodiment, since the first cable 2 is passed through the auxiliary guide 3 before the slide door 80 is assembled to the vehicle body, it is possible to pass it with good workability and reliability. In this case, the auxiliary guide 3 is composed of the guide main body 3a and the cover body 3b, and the lower half of the auxiliary guide 3 is formed into a cylindrical shape by both 3a and 3b. Cable 2 cannot be disconnected.

  Since the tensioner 20 at the tip of the first cable 2 and the auxiliary guide 3 are connected, the auxiliary guide 3 is fitted and fixed to the tensioner mounting portion 4 on the vehicle body side after the slide door 80 is assembled to the vehicle body. Can also be set on the vehicle body side, the number of work steps on the vehicle body side can be reduced compared to the conventional structure, and the tensioner 20 can be securely fitted and locked. Therefore, even if the sliding door is repeatedly opened and closed, the problem that the cable 2 is disconnected from the auxiliary guide 3 and the tensioner 20 is disconnected from the tensioner mounting portion 4 on the vehicle body side does not occur.

  In the above-described embodiment, the auxiliary guide 3 has a structure in which the cover body 3b is assembled to the vehicle outer side of the guide body 3a. However, the present invention is not limited to this, and as shown in FIG. You may make it assemble | attach the cover body 3d to the half part from the vehicle inner side. In this case, the guide body 3c is formed in a substantially U-shaped cross section with its lower half facing the vehicle inside, and the upper and lower edges of the guide groove 31 are spaced apart from each other from the middle to the rear end. Both are formed in a two-section cross section extending in parallel. The cover body 3d is formed in a substantially U-shaped cross section toward the vehicle outer side, and overlaps with the lower half of the guide body 3c from the vehicle inner side. The cover body 3d is locked and fixed to the guide body 3c by the front and rear locking pieces 35 and pins 36, as in the above-described embodiment. Even in this structure, the same effects as those of the above-described embodiment can be obtained.

  Further, according to the present invention, as shown in FIG. 9, the tensioner mounting portion 4A is formed separately from the front end bracket 10 of the cable guide 1, and before the slide door is assembled to the vehicle body, the tensioner 20 at the front end of the first cable 2 is assembled. May be fastened to the mounting portion 4A, and the tensioner mounting portion 4A may be fastened to the front end bracket 10 to the vehicle body side by a screw member after the slide door is assembled to the vehicle body. In the illustrated example, in order to simplify the shape of the tensioner mounting portion 4A, a front surface portion 40 that bends outward is formed, and a locking hole 45 is formed in the front surface portion 40. A locking piece 23 was provided. According to this, before assembling the sliding door to the vehicle body, the tensioner 20 can be more reliably fitted and locked to the tensioner mounting portion 4A.

It is a disassembled perspective view which shows the principal part of the slide door apparatus to which this invention is applied. It is sectional drawing which follows the II-II line of FIG. It is a disassembled perspective view of the tensioner and auxiliary guide of the 1st cable tip of this invention. It is the side view seen from the vehicle outside of the guide main body which constitutes the above-mentioned auxiliary guide. It is the side view seen from the vehicle inside of the cover body which constitutes the above-mentioned auxiliary guide. It is a bottom view of the said guide main body and a cover body. It is sectional drawing which shows the connection structure with the said tensioner in the position which follows the VII-VII line of FIG. It is a disassembled perspective view which shows other embodiment of this invention corresponding to FIG. It is a disassembled perspective view which shows further another embodiment of this invention corresponding to FIG. It is a disassembled perspective view of the sliding door apparatus of a vehicle. It is explanatory drawing of the sliding door apparatus of a vehicle. It is a disassembled perspective view which shows the principal part of the conventional sliding door apparatus corresponding to FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cable guide 10 Front end bracket 2 1st cable 20 Tensioner 21 Insertion part 3 Auxiliary guide 3a Guide main body 3b Cover body 31 Guide groove 4 Tensioner attachment part 7 Second cable 80 Slide door 81 Motor drive device 90 Door opening 95 Body pillar 96 Front end Surface B Body

Claims (4)

A guide rail provided on the vehicle body,
A sliding door slidably supported by the guide rail;
A motor driving device disposed on the sliding door;
A cable guide disposed along the guide rail;
A first cable which is provided in the motor drive device so as to be able to be wound and unwound, and whose front end is coupled to the vehicle body on the front end side of the cable guide, and a portion between the slide door and the front end is held by the cable guide; ,
A second cable which is provided in the motor drive device so as to be able to be wound and unwound, has a front end coupled to the vehicle body on the rear end side of the cable guide, and a portion between the slide door and the front end is held by the cable guide And
The slide door is moved in the closing direction of the door opening along the guide rail by feeding the second cable while winding the first cable by the drive device, and the first cable is drawn by the drive device while feeding the first cable. A vehicle sliding door device in which a sliding door moves in the opening direction of the door opening along the guide rail by winding the second cable,
An auxiliary guide that is disposed on the front end side of the cable guide and guides the first cable in a predetermined direction;
A tensioner connected to the tip of the first cable and applying tension to the first cable;
A vehicular slide door device, wherein the auxiliary guide and the tensioner are assembled to the vehicle body in a state of being coupled to each other, and the tip of the first cable is coupled to the vehicle body via the tensioner. The front end of the cable guide is provided with a front end bracket that is fixed to the vehicle body, and the front end of the cable guide is coupled to the front end surface of the vehicle body pillar that forms the rear edge of the door opening of the vehicle body via the front end bracket. The bracket is provided with a tensioner mounting portion at an obliquely lower front position of the front end of the cable guide, and the tensioner is attached to the tensioner mounting portion so that the front end of the first cable is coupled to the front end surface of the vehicle body pillar.
The auxiliary guide is formed into a curved shape that gently curves upward and rearward from the tensioner toward the front end of the cable guide, and the tip of the first cable is curved toward the front obliquely downward from the front end of the cable guide. The sliding door device for a vehicle according to claim 1, wherein the sliding door device is guided. The tensioner has a cylindrical protrusion-like insertion portion for inserting the tip of the first cable into the casing on the upper end surface of a box-shaped casing surrounding the outer periphery thereof,
The auxiliary guide extends in a curved shape from the tensioner side to the front end side of the cable guide and has a substantially U-shaped guide body having a guide groove for guiding the cable, and the guide groove on the lower end side of the guide body. A cover body that covers the opening, the cable is passed through the guide groove of the guide body, the opening of the guide groove is covered with the cover body, and the lower end portion of the guide body is configured in a cylindrical shape, and the guide body and the cover body The vehicle sliding door device according to claim 1 or 2, wherein the insertion portion is sandwiched between the tensioner and the auxiliary guide. The tensioner mounting portion and the front end bracket of the cable guide are configured separately, and the tensioner mounting portion is fastened and fixed to the front end bracket of the cable guide with the tensioner attached thereto. A sliding door device for a vehicle according to any one of the above.