JP6030526B2 - Vehicle sliding door device - Google Patents

Description

  The present invention relates to a vehicle slide door device including a slide door that opens and closes a door opening formed on a side wall of a vehicle body, and a door drive unit that drives the door to move in the front-rear direction and to open and close the door. It is.

  Conventionally, there is a vehicle sliding door device disclosed in Patent Document 1 below. According to this publication, this sliding door device is provided with a door capable of opening and closing a door opening formed on the side wall of the vehicle body from the outside of the vehicle body, and attached to the lower portion of the side wall extending in the front-rear direction of the vehicle body, A lower rail that guides the door in the front-rear direction so as to open and close the door opening, and is inserted into a member constituting the lower part of the side wall and attached to the lower part of the side wall, and the door is moved so that the door moves in the front-rear direction. And a door drive unit for driving.

  In the above case, the lower rail and the door drive unit are combined with each other. When the vehicle is assembled, the combination is integrally attached to the vehicle body.

Japanese Patent No. 4435911

  By the way, the combination body in the above-mentioned conventional technology is one in which the lower rail and the door drive unit are assembled together, and the outer shape thereof tends to be large. For this reason, at the time of assembling the vehicle, there is a possibility that the attaching operation for integrally attaching the large combination as described above to the vehicle body side becomes complicated.

  Moreover, in the above combination, the lower rail guides the door located on the outside of the vehicle body in the front-rear direction, and the mounting operation of the lower rail on the vehicle body side is usually performed from the outside of the vehicle body. On the other hand, the operation of attaching the door drive unit to the vehicle body side is usually performed from the passenger compartment side inside the vehicle body. For this reason, when assembling the vehicle, first, the large combined body is positioned at a predetermined position on the vehicle body side, and in this positioned state, the combined body is moved from the vehicle body side and the vehicle compartment side to the vehicle body side. Although it will be attached, there is a risk that the work of attaching the combination to the vehicle body may be further complicated, which is not preferable.

  The present invention has been made paying attention to the above situation, and an object of the present invention is to make it possible to easily attach the lower rail and the door drive unit to the vehicle body side when the vehicle is assembled. is there.

The invention of claim 1 includes a door 34 that can open and close a door opening 15 formed in the side wall 6 of the vehicle body 2 from the outside of the vehicle body 2, and is attached to the lower portion of the side wall 6 extending in the front-rear direction of the vehicle body 2. A lower rail 38 that guides the door 34 in the front-rear direction so as to open and close the door opening 15, and a door drive unit 54 that is disposed below the side wall 6 and drives the door 34 so that the door 34 moves in the front-rear direction. In the vehicle sliding door device provided,
The door drive unit 54 outputs a drive unit main body 55 for outputting a drive force, and a drive force transmission for transmitting the drive force output from the drive unit main body 55 to the door 34 to move the door 34 in the front-rear direction. Part 56,
As a member for constituting the side wall bottom, extending in the longitudinal direction of the vehicle body 2 comprises a box-like support 43 having inner the lower rail 38 with one end thereof to form a surface of the body 2 inside the cabin 3 side, the A through hole 59 is formed at the one end of the box-shaped support 43 so that the driving force transmitting portion 56 can be inserted into the box-shaped support 43 from the vehicle compartment 3 side.
The drive unit main body 55 is detachably attached to one end of the box-like support 43 so as to close the through hole 59, and is attached to the unit panel 61 to drive the door drive unit 54. An electric motor 63 as a source,
The driving force transmission portion 56 extends long in the front-rear direction and is entirely accommodated in the box-shaped support body 43, and a bracket 65 constituting a skeleton member of the driving force transmission portion 56 is the box-shaped support body 43. And a drive door main body portion 55 that is integrated with and integrated with the drive unit main body 55 .

  In addition, in this section, the reference numerals and drawing numbers appended to the above terms are not intended to limit the technical scope of the present invention to the “Example” section and the contents of the drawings described later.

  The effects of the present invention are as follows.

According to a first aspect of the present invention, a door for opening and closing a door opening formed on the side wall of the vehicle body from the outside of the vehicle body, and extending in the front-rear direction of the vehicle body and attached to the lower portion of the side wall to open and close the door opening. A lower rail that guides the door in the front-rear direction; and a door drive unit that is inserted into a member constituting the lower part of the side wall and attached to the lower part of the side wall and drives the door so that the door moves in the front-rear direction. In the vehicle sliding door device provided,
The door drive unit includes a drive unit main body that outputs a drive force, and a drive force transmission unit that transmits the drive force output from the drive unit main body to the door and moves the door in the front-rear direction. as a member for constituting the side wall bottom, extending in the longitudinal direction of the vehicle body, it comprises a box-like support having inner the lower rail with one end thereof to form a surface of the body inside the passenger compartment side, of the box-like support A through hole is formed in the one end so that the driving force transmitting portion can be inserted into the box-shaped support from the passenger compartment side, and the drive unit main body is attached to and detached from the one end so as to close the through hole. a unit panel mounted for, attached to the unit panel, and an electric motor that is a drive source of the drive unit, the driving force transmitting portion is generally the box extend long in the longitudinal direction Housed inside the support, together with the bracket constituting the frame member of the driving force transmitting portion is coupled to said box-like support, are integrally coupled to the drive unit body portion.

  For this reason, when mounting the lower rail and the door drive unit on the vehicle body side during vehicle assembly, the lower rail is mounted on the lower side wall of the vehicle body, and the door drive unit is mounted on the lower side wall of the vehicle. It can be made separate from the installation work. Therefore, since the shape of each mounting object in the mounting work of the lower rail and the door drive unit to the lower side wall is smaller than the conventional combined body, the mounting work is easy. Can be.

  Moreover, insertion of the drive force transmission portion of the door drive unit into the inside of the box-shaped support in the door drive unit mounting operation described above is directed from the vehicle compartment side to the inside of the box-shaped support through the through hole. Therefore, the door drive unit can be attached more easily.

  Here, as described above, since the electric motor is attached to one end of the box-shaped support that forms the surface on the vehicle compartment side, this attachment work can be performed using the space of the vehicle compartment, and thus this attachment operation is easy. it can. However, since the electric motor and the door side outside the vehicle body are connected through a through hole formed in one end of the box-shaped support, one end of the box-shaped support is formed by the formation of the through-hole. Then, the strength and rigidity tend to decrease.

  However, a decrease in strength or the like at the one end is prevented by attaching the unit panel to the one end that closes the through hole. Therefore, the electric motor can be easily attached to one end of the box-shaped support via the unit panel, while the unit panel can be attached to one end of the box-shaped support. The support of the electric motor is held strong.

1 is an overall side view of a vehicle. It is the II-II sectional view taken on the line of FIG. FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2. FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 2. It is a side section partial fracture view of a door drive unit. It is the perspective development view which looked at the vehicle body left side from the compartment side.

  The present invention relates to a sliding door device for a vehicle according to an embodiment of the present invention for realizing the object of facilitating the mounting operation of the lower rail and the door drive unit to the vehicle body when the vehicle is assembled. Is as follows.

  In other words, a vehicle sliding door device has a door that can be opened and closed from the outside of the vehicle body, and a door that extends in the front-rear direction of the vehicle body and is attached to the lower portion of the side wall to open and close the door opening. A lower rail that guides the door in the front-rear direction, and a door drive unit that is inserted into a member constituting the lower portion of the side wall and attached to the lower portion of the side wall, and drives the door so that the door moves in the front-rear direction. With.

  As a member constituting the lower portion of the side wall, there is provided a box-like support body that extends in the front-rear direction of the vehicle body, one end portion of which forms a vehicle interior side surface inside the vehicle body and has the lower rail inside. A through hole is formed at the one end of the box-shaped support. The door drive unit is detachably attached to the one end so as to close the through hole, an electric motor attached to the unit panel and serving as a drive source of the door drive unit, and output from the electric motor. A driving force transmitting unit that transmits the driving force to the door and drives the door. Prior to the attachment of the unit panel to the one end, the driving force transmission portion can be inserted into the box-shaped support body from the vehicle compartment side through the through hole.

  In order to explain the present invention in more detail, an embodiment thereof will be described with reference to the accompanying drawings.

  In the figure, reference numeral 1 is a vehicle exemplified by an automobile, and an arrow Fr indicates the front in the traveling direction of the vehicle 1. The left and right described below refer to the width direction of the vehicle body 2 of the vehicle 1 toward the front.

  The vehicle body 2 of the vehicle 1 is made of sheet metal as a whole, and the interior of the vehicle body 2 is a vehicle compartment 3. The vehicle body 2 has a left and right side wall 6 forming a side surface of the casing 3 and a floor extending in the horizontal direction to form a lower surface of the casing 3 and is erected on the lower portions of the left and right side walls 6. A pair of left and right sides which are frame members of the vehicle body 2 that extend in the front-rear direction of the vehicle body 2 and are coupled to each other and the lower portions of the side walls 6 and support the floor panel 7 from the lower surface side thereof. A member 8 and a roof panel 9 that is provided on the upper edge of each of the left and right side walls 6 to form the upper surface of the vehicle compartment 3 are provided.

  Each side wall 6 has outer and inner panels 11 and 12 that face each other in the width direction of the vehicle body 2 and face each other and are firmly coupled to each other. Rear door openings 14 and 15 are formed in the side wall 6 before the inside and outside of the passenger compartment 3 communicate with each other. A rocker 17 that extends long in the front-rear direction of the vehicle body 2 is formed at the lower portion of the side wall 6 by joining the lower portions of the outer and inner panels 11 and 12. A center pillar 18 extending in the vertical direction is formed between the front and rear door openings 14 and 15 in the middle of the left and right walls 6 in the front-rear direction of the right wall 6. Each of the rocker 17 and the center pillar 18 has a hollow closed cross-section structure in the longitudinal direction, and has high strength and the like.

  Of the left and right side walls 6, the left and right side walls 6 are integrally formed with the front and rear door openings 14 and 15, and the center pillar 18 is not provided. The center pillar 18 may be provided as shown by a middle two-dot chain line.

  A tunnel 21 bulging upward and having high strength and rigidity is formed at the center of the floor panel 7 in the width direction of the vehicle body 2, and this tunnel 21 extends long in the front-rear direction. The vehicle body 2 includes front and rear cross members 23 and 24 that extend in the width direction of the vehicle body 2 and are respectively disposed between the left and right rockers 17 and the tunnel 21.

  The rear cross member 24 is disposed at the same position as the center pillar 18 in the longitudinal direction of the vehicle body 2. The cross section of the rear cross member 24 has a hat-shaped cross section in the longitudinal direction, and the front plates 26 and 27 are opposed to each other in the front-rear direction, and the upper edge portions of the front and rear plates 26 and 27 are formed. It has a top plate 28 that is integrally connected, and front and rear outward flanges 29 and 30 that are integrally formed at the lower end edges of the front and rear plates 26 and 27.

  The rear cross member 24 has its outward flanges 29 and 30 coupled to the floor panel 7 by spot welding S1, and one end in the longitudinal direction is coupled to the side surface of the tunnel 21 by spot welding. The other end is coupled to the portion of the inner panel 12 below the rocker 17 by spot welding S2.

  The front cross member 23 has the same configuration and the same action as the rear cross member 24, but is higher in height than the rear cross member 24.

  A door 31 is provided that closes the front door opening 14 so as to be openable and closable from the outside of the vehicle body 2. Further, a slide door device 32 that closes and opens the rear door opening 15 from the outside of the vehicle body 2 is provided. The slide door device 32 has a slide type rear door 34. The rear door 34 extends in the front-rear direction so as to extend in the front-rear direction of the vehicle body 2 along the outer surface of the upper portion, the middle portion, and the lower portion in the rear portion of the side wall 6 so as to open and close the rear door opening 15. The upper, center, and lower rails 36 to 38 are supported. Each of the rails 36 to 38 is fitted with a roller 39 that can move only in the longitudinal direction, and the rear door 34 is supported and connected to each of the rollers 39 by an arm 40.

  A box-shaped support 43 made of sheet metal is provided that extends in the front-rear direction of the vehicle body 2 and has an opening 42 that opens toward the outside of the vehicle body 2. Each section in the longitudinal direction of the box-shaped support 43 has a U-shape that opens toward the outside of the vehicle body 2. The box-shaped support body 43 is disposed in a rocker 17 constituting the rear lower part of the side wall 6. The box-like support 43 is attached to the rocker 17 by welding using various attachment panels 44, and these attachment panels 44 reinforce the rocker 17 and the box-like support 43, respectively.

  Another opening 45 is formed in the outer panel 11 of the rocker 17 facing the opening 42 of the box-like support 43 in the width direction of the vehicle body 2, and the opening edges of both the openings 42, 45 are coupled to each other. Yes. The rocker 17 and the box-shaped support body 43 have sufficiently large strength and rigidity due to this connection and reinforcement by the mounting panel 44 described above. The lower rail 38 is included in the box-shaped support 43 and is attached to the upper surface of the box-shaped support 43 by a fastener or welding (not shown). In this case, the lower rail 38 is attached from the outside of the vehicle body 2 when the vehicle body 2 is formed. The rear door 34 is connected to the roller 39 fitted in the lower rail 38 by the arm 40 through the openings 42 and 45.

  The box-shaped support body 43 is formed by joining an upper plate 49 and a lower plate 50 to each other. Further, one end portion (front end portion) 43 a of the box-shaped support body 43 is extended so as to bulge toward the inner side of the vehicle body 2 from the side wall 6. The front end portion of the lower rail 38 is gradually bent toward the inner side of the vehicle body 2 toward the front, and the bent portion is included in one end portion 43a of the box-shaped support body 43. 43a is attached.

  On the other hand, a through hole 46 is formed in the inner panel 12 above the rocker 17. One end portion 43 a of the box-shaped support body 43 is disposed in the lower end portion of the vehicle compartment 3 through the through hole 46.

  In the above case, a fold-like bent line 12a is formed on the upper portion of the inner panel 12 forming the rocker 17 below the side wall 6. The bent line 12a is formed continuously and linearly in the longitudinal direction of the rocker 17. Has been. The through hole 46 is formed below the bent line 12a. Therefore, regardless of the formation of the through hole 46, the bending line 12a ensures the rigidity of the rocker 17 below the side wall 6 continuously throughout the longitudinal direction. Therefore, the lower part of the side wall 6 strongly counters the impact force at the time of a side collision.

  A door drive unit 54 for moving the rear door 34 in the front-rear direction is provided. The door drive unit 54 is attached to one end portion 43 a of the box-shaped support 43 and outputs a driving force. The door drive unit 54 is attached to the box-shaped support 43 and is connected to the drive unit main body 55. A driving force transmission unit 56 is provided that transmits the output driving force to the rear door 34 and moves the rear door 34 in the front-rear direction.

  The drive unit main body 55 is attached to the upper surface of the one end portion 43a, which is the surface of the one end portion 43a of the box-shaped support body 43 on the vehicle compartment 3 side. On the other hand, the driving force transmitting portion 56 is provided along the lower rail 38 inside the box-shaped support body 43 and attached to the box-shaped support body 43. In this case, another through-hole 59 is formed in the upper plate 49 of the one end portion 43a of the box-like support 43, and the above-mentioned provided on the vehicle compartment 3 side from the upper surface of the one end portion 43a of the box-like support 43. The drive unit main body 55 and the drive force transmission part 56 provided inside the box-shaped support 43 are connected to each other through the other through hole 59.

  The drive unit main body 55 includes a sheet metal unit panel 61 detachably attached to one end 43a of the box-like support 43 by a fastener 60 so that the other through-hole 59 is fully closed. A reduction motor 63 as a drive source capable of rotating in the normal and reverse directions is attached to the upper surface of the panel 61 by a fastener 62. The unit panel 61 is attached to the opening edge of the other through hole 59 so as to straddle the upper plate 49 and the lower plate 50.

  On the other hand, the driving force transmitting portion 56 extends long in the front-rear direction and is accommodated inside the box-shaped support 43 as a whole, and has a bracket 65 that constitutes a skeleton member of the driving force transmitting portion 56. . The front end of the bracket 65 is coupled to the unit panel 61 by a fastener 66, and the rear side is coupled to the lower surface of the upper plate 49 of the box-shaped support 43 by a fastener 67. The bracket 65 is divided into four first to fourth bracket portions 68 to 71 from the front end toward the rear end, and is coupled to each other by a fastener 72. Among the first to fourth bracket portions 68 to 71, the second bracket portion 69 is made of resin, and the other bracket portions 68, 70, and 71 are made of sheet metal.

  The driving force transmitting portion 56 is supported by the output shaft of the electric motor 63, and includes a toothed driving wheel 75 that is included in the one end portion 43a of the box-like support 43 through the other through hole 59. The driven wheel 76 supported by the fourth bracket portion 71 at the rear end portion of the bracket 65, a plurality (two) of tension pulleys 77 supported by the unit panel 61, and the second bracket portion of the bracket 65 An intermediate wheel 78 supported by 69, a toothed belt 79 wound around the drive wheel 75, driven wheel 76, tension pulley 77, and intermediate wheel 78, and meshed with and driven by the drive wheel 75; A connecting tool 80 for connecting a part of the belt 79 in the longitudinal direction to the arm 40 is provided.

  The driving force transmission part 56 including the bracket 65 is accommodated inside the box-shaped support 43 as a whole. In order to allow the bracket 65 to be fastened to the upper plate 49 of the box-shaped support body 43 by the work on the side of the passenger compartment 3 on the rocker 17 below the side wall 6, The tool insertion hole 83 is formed.

  The first to fourth bracket portions 68 to 71 in the driving force transmission portion 56 can be individually applied to the driving force transmission portions 56 of other vehicle types.

  When the electric motor 63 of the door drive unit 54 is driven to rotate forward and backward, the driving force is transmitted to the rear door 34 via the drive wheels 75, the belt 79, and the connecting tool 80, and the rear door is driven. 34 moves back and forth, and the rear door opening 15 can be opened and closed.

  The driving force transmission part 56 constituting the door drive unit 54 passes through the through hole 46 and the other through hole 59, and as shown in FIG. 43 can be inserted inside.

  When the door drive unit 54 is attached to the box-shaped support 43 of the vehicle body 2, the door drive unit 54 is first positioned on the vehicle compartment 3 side as shown in FIG. Next, as indicated by a two-dot chain line arrow in FIG. 6, the through holes 46 and 59 are passed through from the rear end side of the driving force transmitting portion 56 of the door driving unit 54 by the operation on the vehicle compartment 3 side. It is inserted into the box-shaped support 43. Next, the unit panel 61 of the drive unit main body 55 of the door drive unit 54 is fastened to the one end 43a of the box-shaped support 43 by the fasteners 60 by the work on the vehicle compartment 3 side. The bracket 65 of the driving force transmission unit 56 of the door drive unit 54 is fastened to the lower surface of the upper plate 49 of the box-shaped support 43 by the fasteners 67. Then, the mounting operation of the door drive unit 54 is completed.

  According to the said structure, the said drive unit main-body part 55 is attached to the surface at the side of the said compartment 3 in the one end part 43a of the box-shaped support body 43. As shown in FIG.

  For this reason, the mounting operation of the drive unit main body 55 to the one end portion 43a of the box-shaped support 43 can be performed from the vehicle compartment 3 side, and therefore the mounting operation of the drive unit main body 55 can be facilitated.

  Further, as described above, the through hole 59 is formed in the one end portion 43 a of the box-shaped support body 43, and the rear door 34 side and the drive unit main body 55 are connected to each other through the through hole 59. The drive unit main body 55 is attached to one end portion 43a of the box-shaped support body 43 so as to be closed.

  Here, as described above, the drive unit main body 55 is attached to the surface of the one end portion 43a of the box-like support 43 on the side of the vehicle compartment 3 so that this attachment work can be easily performed. When the drive unit main body 55 and the rear door 34 side outside the vehicle body 2 are connected through a through hole 59 formed in one end portion 43a of 43, the box-like support is formed by the formation of the through hole 59. At one end 43a of the body 43, the strength and rigidity tend to decrease.

  However, a decrease in strength or the like at the one end portion 43a is prevented by attaching the drive unit main body 55 to the one end portion 43a so as to close the through hole 59 described above. Therefore, while the above-described drive unit main body 55 can be easily attached, the support of the drive unit main body 55 to the one end 43a of the box-shaped support 43 is held strong.

  Further, as described above, of the outer panel 11, the inner panel 12, and the box-shaped support body 43 that are members constituting the lower portion of the side wall 6, the inner panel that is a member that forms a surface on the vehicle interior 3 side inside the vehicle body 2. 12 and one end portion 43a of the box-shaped support 43 are formed with through holes 46 and 59, respectively, and the driving force transmitting portion 56 of the door drive unit 54 is passed through the through holes 46 and 59 from the vehicle compartment 3 side. It can be inserted into the inside of a box-shaped support 43 that is a member constituting the lower portion of the side wall 6.

  For this reason, when the vehicle 1 is assembled, when the lower rail 38 and the door drive unit 54 are attached to the vehicle body 2 side, the lower rail 38 to the box-like support 43 constituting the lower portion of the side wall 6 of the vehicle body 2 is used. And the mounting operation of the door drive unit 54 to the box-like support 43 constituting the lower portion of the upper side wall 6 can be made separate. Therefore, the shape of each attachment object in the attachment work of the lower rail 38 and the door drive unit 54 to the lower part of the side wall 6 is smaller than the conventional combination of these 38 and 54. The mounting operation can be easily performed.

  In addition, in the mounting operation of the door drive unit 54 described above, the drive force transmitting portion 56 of the door drive unit 54 is inserted into the box-like support 43 below the side wall 6 from the vehicle compartment 3 side through the through holes 46, 59, the door drive unit 54 can be attached more easily.

  Although the above description is based on the illustrated example, the door driving unit 54 may be one using a wire, a cable, or a link instead of the belt-wrapping type using the belt 79. Further, the first bracket portion 68, the third bracket portion 70, and the fourth bracket portion 71 of the bracket 65 of the driving force transmission portion 56 may be formed by using a mold with resin, and the driving force transmission portion. The 56 brackets 65 may be integrally formed of sheet metal or resin.

  Further, in the door drive unit 54, the first bracket portion 68, the second bracket portion 69, the third bracket portion 70, and the fourth bracket portion 71 that constitute the bracket 65 of the driving force transmission portion 56 can be made symmetrical. For example, these 68, 69, 70 and 71 can also be used as the left and right driving force transmission units 56 set on the left and right sides of the vehicle 1. Therefore, it is possible to reduce the types of components when the left and right driving force transmission unit 56 is viewed as a whole, and to manage these components more easily.

  The first bracket portion 68, the second bracket portion 69, the third bracket portion 70, and the fourth bracket portion 71 that constitute the bracket 65 of the driving force transmission portion 56 are made of sheet metal and are formed by press working. It has a simple shape. Therefore, it is easy to form these 68, 69, 70, 71 in a desired shape. Therefore, in the door drive unit 54, even if the positional relationship between the drive unit main body 55 and the driven wheels 76 and the intermediate wheels 78 of the drive force transmission unit 56 is different, the first drive to the various door drive units 54 is performed. The bracket portion 68, the second bracket portion 69, the third bracket portion 70, and the fourth bracket portion 71 can be easily applied.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Car body 3 Car compartment 6 Side wall 7 Floor panel 11 Outer panel 12 Inner panel 12a Bending line 15 Door opening 17 Rocker 18 Center pillar 24 Cross member 26 Front plate 27 Rear plate 28 Top plate 29 Outward flange 30 Outward flange 32 Slide door device 34 Door 38 Lower rail 42 Opening 43 Box-shaped support body 43a One end 45 Opening 46 Through hole 49 Upper plate 50 Lower plate 54 Door drive unit 55 Drive unit main body 56 Driving force transmission unit 59 Through hole 60 Fastener 61 Unit Panel 62 Fastener 63 Electric motor 65 Bracket S1, S2 Spot welding

Claims (1)

A door that allows the door opening formed on the side wall of the vehicle body to be opened and closed from the outside of the vehicle body, and extends in the front-rear direction of the vehicle body and attached to the lower portion of the side wall, and guides the door in the front-rear direction so as to open and close the door opening. And a door drive unit that is inserted into a member constituting the lower portion of the side wall and is attached to the lower portion of the side wall and drives the door so that the door moves in the front-rear direction. In
The door drive unit includes a drive unit main body that outputs a drive force, and a drive force transmission unit that transmits the drive force output from the drive unit main body to the door and moves the door in the front-rear direction.
As a member for constituting the side wall bottom, extending in the longitudinal direction of the vehicle body, it comprises a box-like support having inner the lower rail with one end thereof to form a surface of the body inside the passenger compartment side, of the box-like support A through hole is formed in the one end so that the driving force transmitting portion can be inserted into the box-shaped support from the passenger compartment side,
The drive unit main body includes a unit panel that is detachably attached to one end of the box-shaped support so as to close the through hole, and an electric motor that is attached to the unit panel and serves as a drive source of the drive unit. Prepared,
The driving force transmitting portion extends in the front-rear direction and is entirely accommodated in the box-shaped support, and a bracket constituting the skeleton member of the driving force transmitting portion is coupled to the box-shaped support. A sliding door device for a vehicle, which is combined with and integrated with the drive unit main body .

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