JP5115700B2 - Vehicle sliding door drive device - Google Patents

Description

  The present invention relates to a vehicle slide door drive device that opens and closes a door opening on a vehicle body side by sliding a slide door along a vehicle longitudinal direction by winding a drive wire with a drive mechanism built in the slide door. It is.

  Some vehicles, such as one-box cars, have a sliding door that slides along the longitudinal direction of the vehicle to open and close the door opening on the side of the vehicle body. The sliding door is slid forward and backward to automatically open the door. Some have a sliding door driving device for opening and closing.

  Here, the drive system of the slide door drive device includes a drive motor disposed on the vehicle body side, a drive wire attached to the slide door is pulled by the drive motor, and the slide door is slid. There is a system in which a drive wire, which is built-in and fixed at both ends to the vehicle body, is wound around a drum and the slide door is slid.

  By the way, in order to improve passengers' ability to get on and off, it is necessary to widen the vehicle front-rear width of the door opening that is opened and closed by the sliding door or the front edge of the door opening and the front end of the sliding door. It is necessary to make it possible to slide the sliding door to the rear of the vehicle.

  However, in a sliding door drive device that employs a drive system in which a drive motor is arranged on the vehicle body side, it is difficult to secure a space for arranging a guide pulley or the like that is a part of the drive mechanism at the rear of the vehicle body. Therefore, there is a limit in expanding the door opening width by sliding the sliding door sufficiently backward.

Therefore, Patent Documents 1 and 2 propose that a part of the drive mechanism is arranged so that the part of the drive mechanism overlaps the tail lamp in a side view.
Japanese Patent Laying-Open No. 2005-075279 Japanese Patent Laying-Open No. 2005-075280

  By the way, in a vehicle provided with a slide door drive device that employs a drive system in which a drive motor is built in the slide door, as shown in FIG. 5, a center rail 2 that guides the slide of the slide door 3 in the vehicle longitudinal direction. Since it is necessary to secure a fixed space for the drive wire 4 behind ', the length L' that can be used for sliding the center rail 2 'is shortened by the length of the fixed space, and the slide door 3 is fully extended to the rear. The door opening width was narrowed, and the passenger's boarding / exiting ability could not be improved.

  The present invention has been made in view of the above-described conventional problems, and the object of the present invention is to slide a sliding door to the rear of the vehicle and increase the door opening width, thereby improving the boarding / exiting ability of the vehicle. It is to provide a driving device.

In order to achieve the above object, according to the first aspect of the present invention, a drive wire having both ends attached to the outer surface of the vehicle body panel via a mounting bracket is wound up by a drive mechanism built in the slide door, and the slide door is In the vehicle sliding door drive device that opens and closes the door opening on the side of the vehicle body by sliding along
The vehicle body panel is provided with a vertical wall portion bent from the peripheral portion of the back door opening to the vehicle rear side, and an attachment surface extending in the vehicle left-right direction from the rear end of the vertical wall portion is formed. Arranged on the vehicle rear side of the periphery of the back door opening,
Attaching from one car both rear of the mounting bracket to the mounting surface, there is laterally back door bracket with said mounting, characterized by being arranged at a position overlapping the back door in a side view.

The invention according to claim 2 is characterized in that, in the invention according to claim 1 , a joint portion to be joined to the vehicle body panel is provided in the vicinity of the mounting surface.

  According to the first aspect of the present invention, since one of the mounting brackets is mounted on the mounting surface along the vehicle left-right direction of the back door opening side portion from the vehicle rear side, it is necessary to mount the mounting bracket in the slide rail or on the vehicle side portion. The mounting bracket does not obstruct the sliding of the sliding door to the rear of the vehicle, and the sliding door can be slid to the rear of the vehicle, thereby increasing the width of the door opening and improving the passenger's getting on and off. .

In addition , the vehicle body panel is provided with a vertical wall that is bent from the periphery of the back door opening, which has high strength and rigidity, toward the rear of the vehicle, and the mounting surface for mounting the mounting bracket extends from the rear end of the vertical wall in the vehicle left-right direction. Therefore, the vertical wall portion increases the rigidity of the mounting surface. Furthermore , since the mounting surface is arranged on the vehicle rear side with respect to the peripheral portion of the back door opening, the sliding amount of the slide door to the vehicle rear can be further increased.

According to the second aspect of the invention, since the joint portion to be joined to the vehicle body panel is provided in the vicinity of the attachment surface, the attachment surface and the other vehicle body panel joined to each other can be attached to the attachment surface without separately providing the reinforcement. Rigidity is enhanced and the mounting portion at the rear end of the drive wire can be reinforced.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  1 is an exploded perspective view of a sliding door portion of a vehicle equipped with a sliding door driving device according to the present invention, FIG. 2 is a partial plan view of a driving wire mounting portion at the rear of the vehicle, and FIG. 3 is a line AA in FIG. FIG. 4 is an exploded perspective view of the drive wire mounting member, and FIG. 5 is a side view showing the center rail length in comparison with the conventional one.

  The vehicle according to the present embodiment is a one-box car, and as shown in FIG. 1, rear door door openings 1 (only the right side is shown in FIG. 1) are formed on the left and right sides of the rear part of the vehicle body. Each door opening 1 is opened and closed by a sliding door 3 that slides in the vehicle front-rear direction along center rails 2 provided horizontally on both left and right sides of the rear part of the vehicle body. Although not shown, an upper upper rail and a lower rail other than the center rail 2 are attached to the vehicle body, and the slide door 3 is slidably supported by the center rail 2 and other rails by a guide roller unit.

  By the way, the slide door 3 is automatically opened and closed by the slide door drive device according to the present invention. However, the slide door drive device incorporates a drive mechanism including a drive motor (not shown) in the slide door 3 and both ends thereof. A system is adopted in which the drive wire 4 fixed to the vehicle body is wound around a drum (not shown) and the slide door 3 is slid. The slide door drive device includes a control unit and a lock unit in addition to a drive mechanism including a drive motor, and is driven by a switch operation. This is provided with a safety mechanism such as a pinching prevention mechanism.

  Thus, as shown in FIG. 1, wire guides 5 along the center rail 2 are provided on both sides (only one is shown in FIG. 1) of the rear part of the vehicle body. A drive wire 4 is stretched. The front end of the drive wire 4 is fixed to a part of the periphery of the door opening of the vehicle body, and the rear end is formed on the left and right sides of the back door opening 6 (see FIG. 2) on the rear surface of the vehicle body as will be described later. It is attached.

  Here, details of the mounting position of the rear end of the drive wire 4 and the mounting structure will be described with reference to FIGS.

  In FIG. 2, reference numeral 6 denotes a back door opening that opens at the center in the width direction of the rear surface of the vehicle body. The back door opening 6 has an upper edge attached to the upper edge of the back door through a hinge, with the hinge as the center. It is opened and closed by a back door 7 that rotates up and down. In FIG. 2, 8 is a side body outer panel, 9 is a rear pillar, 10 is a side body outer extension, and the center rail 2 is mounted in a recess formed on the outer surface of the side body outer panel 8. FIG. 2 shows only the configuration of one side (right side) of the rear part of the vehicle body, but the configuration of the other side (left side) is the same, so illustration and description thereof are omitted.

The side body outer extension 10 has its inner end constitutes a joint portion 10a which is bent at right angles toward the rear of the vehicle (downward in FIG. 2), the joining section 10a at the junction 9a of the rear pillar 9 It is piled up and attached to the rear pillar 9 by spot welding. Further, the side body outer extension 10 extends from the joint portion 10a toward the vehicle outer side (right direction in FIG. 2), and a vertical wall portion 10b bent toward the vehicle rear side is formed at an intermediate portion thereof. Yes. The side body outer extension 10 is formed with a flat mounting surface 10c extending from the rear end of the vertical wall portion 10b toward the vehicle outer side. The mounting surface 10c is a peripheral portion of the back door opening 6. It is arranged in a state of protruding to the vehicle rear side by the height of the vertical wall portion 10b. Note that a weather strip 11 made of an elastic body is attached to the joint portions 9a and 10a of the rear pillar 9 and the side body outer extension 10, and the front door abuts the back door 7 so that the back door opening 6 is weather strip. 11 and sealed.

Then, a joint portion 10d directed toward the front of the vehicle is formed at the end portion of the mounting surface 10c of the side body outer extension 10, and a rear end edge of the side body outer panel 8 is overlapped with the joint portion 10d. Both are joined and integrated by spot welding. That is, on both sides of the mounting surface 10c, a vertical wall portion 10b and a joint portion 10d that are bent from the mounting surface 10c and extend in the front-rear direction of the vehicle are formed, and the mounting surface 10c protrudes toward the vehicle rear side from the periphery. Therefore, the mounting surface 10c can be disposed more rearward of the vehicle. The vertical wall portion 10b is located at the same position as the side edge of the back door 7 in the left-right direction of the vehicle.

  By the way, as shown in FIGS. 2 and 3, a mounting bracket 12 bent in an L shape is mounted on the mounting surface 10c of the side body outer extension 10 from the rear of the vehicle with two bolts 13. As shown in FIG. 4, the mounting bracket 12 is fixed with a driving wire mounting member 14 comprising a locking member 14A attached to the rear end of the driving wire 4 and a holder 14B for engaging and holding the locking member 14A. Has been. Therefore, the rear end of the drive wire 4 is attached to the side portion of the back door opening 6 on the rear surface of the vehicle body via the drive wire attachment member 14 and the attachment bracket 12.

  Here, as shown in FIG. 2, the mounting bracket 12 for attaching the rear end of the drive wire 4 to the vehicle body is disposed on the side of the back door 7 so as to overlap the back door 7 in a side view. Further, as shown in FIG. 3, the side body outer extension 10 is formed in a stepped shape at a lower portion from the mounting surface 10c, and the rigidity of the mounting surface 10c is enhanced by the bent stepped shape. The center rail 2, the drive wire 4, the mounting bracket 12, etc. are covered with a cover 15 to enhance the appearance of the vehicle. The outer surface of the cover 15 is configured to be continuous with the design surface shape of the side body outer panel 8, and the end portion on the vehicle center side that is the rear end of the cover 15 is continuous with the design surface shape of the back door 7. It is configured. Furthermore, a flange that is bent toward the vertical wall portion 10b (the front side of the vehicle) is formed at the end portion of the cover 15 on the vehicle center side so as to face the side edge of the back door 7. As shown in FIG. 3, a resin rear bumper 16 connected to the cover 15 is disposed in the lower rear portion of the vehicle.

Thus, in the present invention, the mounting bracket 12 for mounting the rear end of the drive wire 4 to the vehicle body is mounted on the mounting surface 10c formed on the side of the back door opening 6 of the side body outer extension 10. The mounting bracket 10c does not obstruct the sliding of the sliding door 3 to the rear of the vehicle, and the center rail 2 is extended to the rear of the vehicle by ΔL with respect to the length L ′ of the conventional center rail 2 ′ shown in FIG. L (> L ′), and the slidable length can be increased. For this reason, the slide door 3 can be slid to the vehicle rear along the center rail 2 extended rearward of the vehicle, thereby increasing the opening width of the door opening 1 by ΔL shown in the figure and improving the passenger's getting on and off. be able to.

  Further, in the present invention, the side body outer extension 10 is provided with the vertical wall portion 10b bent from the peripheral portion of the back door opening 6 having high strength and rigidity to the vehicle rear side, and the mounting surface 10c for mounting the mounting bracket 12 is provided. Is extended from the rear end of the vertical wall portion 10b in the left-right direction of the vehicle, so that the rigidity of the mounting surface 10c is enhanced. And since the attachment surface 10c has been arrange | positioned rather than the peripheral part of the back door opening 6, the sliding amount to the vehicle rear of the slide door 3 can be expanded effectively.

  Further, in the present invention, since the joint portion 10d to be joined to the side body outer panel 8 is provided in the vicinity of the mounting surface 10c formed on the side body outer extension 10, the side body outer panel 8 can be used without separately providing reinforcement. The attachment portion at the rear end of the drive wire 4 can be reinforced.

It is a disassembled perspective view of the sliding door part of the vehicle provided with the sliding door drive device concerning the present invention. It is a fragmentary top view of the drive wire attachment part of the vehicle provided with the sliding door drive device concerning the present invention. It is the sectional view on the AA line of FIG. It is a disassembled perspective view of the drive wire attachment member of the slide door drive device concerning the present invention. It is a side view which shows the center rail length of the sliding door drive device which concerns on this invention in comparison with the former.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door opening 2 Center rail 3 Slide door 4 Drive wire 5 Wire guide 6 Back door opening 7 Back door 8 Side body outer panel (vehicle body panel)
9 Rear Pillar 9a Rear Pillar Joint 10 Side Body Outer Extension 10a Side Body Outer Extension Joint 10b Side Body Outer Vertical Wall 10c Side Body Outer Attachment Surface 10d Side Body Outer Joint 11 Weather Strip 12 Attachment Bracket 13 Bolt 14 Drive wire attachment member 14A Drive wire attachment member locking member 14B Drive wire attachment member holder 15 Cover 16 Rear bumper

Claims (2)

A drive wire attached to the outer surface of the vehicle body panel at both ends via mounting brackets is wound up by a drive mechanism built in the slide door, and the slide door is slid along the vehicle front and rear to open and close the door opening on the side of the vehicle In a vehicle sliding door drive device,
The vehicle body panel is provided with a vertical wall portion bent from the peripheral portion of the back door opening to the vehicle rear side, and an attachment surface extending in the vehicle left-right direction from the rear end of the vertical wall portion is formed. Arranged on the vehicle rear side of the periphery of the back door opening,
Attaching from one car both rear of the mounting bracket to the mounting surface, there is laterally back door bracket with said mounting, the vehicle being characterized in that disposed at a position overlapping the back door in a side view a sliding door Drive device. In the vicinity of the mounting surface, the sliding door driving apparatus for a vehicle according to claim 1, characterized in that a joint portion which is joined to the vehicle body panel.

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