JP2014069638A - Vehicle side door device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent water entry from the external part of a car body into a car room more surely when a vehicle side door device includes a driving unit for driving a door to open/close with respect to the door opening of the side wall of a car body.SOLUTION: A vehicle side door device includes a door 23 for opening/closing a door opening 21 formed in the side wall 6 of a car body 2, side wall openings 38 and 39 for communicating the inside of the lower part of the side wall 6 with a car room 3, and a driving unit 47 inserted from the car room 3 into the side wall openings 38 and 39 so that one end is positioned on a car room 3 side and the other end is positioned in the lower part of the side wall 6 to be fitted to the lower part of the side wall 6 and configured to drive the door 23 to open/close. The device includes a cover body 60 fitted to one end of the driving unit 47 to cover one end of the driving unit 47 from the outside. The cover body 60 fitted to one end of the driving unit 47 closes the side wall openings 38 and 39 from the car room 3 side and are fitted to the lower part of the side wall 6.

Description

  The present invention relates to a vehicle side door device including a drive unit that drives a door opening formed on a side wall of a vehicle body to open and close.

  Conventionally, there is a vehicle side door device disclosed in Patent Document 1 below. According to this publication, the side door device of the vehicle is formed on the side wall of the vehicle body, and opens and closes to open and close the door opening from the outside of the vehicle body. And a drive unit that is provided in the interior space of the door and is attached to the door, and is driven to open and close the door. The door opening can be arbitrarily opened and closed by driving the drive unit.

  By the way, in the above-described conventional technology, the drive unit is provided in the interior space of the door and attached to the door. However, the interior space of the door is usually extremely narrow, particularly in the width direction of the door, and the surplus space is generally small. For this reason, since the work space at the time of attaching the drive unit to the door is narrow, this attaching work tends to be extremely complicated. Therefore, the productivity of the side door device is lowered correspondingly, and the production cost may be expensive.

  In view of the above problems, another conventional technique has been proposed as Japanese Patent Application No. 2012-98937 relating to the application of the present applicant. According to this, the side door device of the vehicle can be opened and closed so as to open and close the door opening from the outside of the vehicle body, which is formed on the side wall of the vehicle body and communicates with the inside and outside of the passenger compartment inside the vehicle body. And a side wall opening formed in the lower portion of the side wall for communicating the interior of the lower portion of the side wall with the passenger compartment, one end portion being located at the side of the passenger compartment, and the other end portion being located within the lower portion of the side wall. A drive unit that is inserted into the side wall opening from the passenger compartment so as to be positioned and attached to the lower portion of the side wall, and that drives the door to open and close.

  According to the other conventional techniques described above, since the drive unit is attached to the lower portion of the side wall of the vehicle body, the above-described drive unit installation work is performed in comparison with the case where the drive unit is attached to a door having a very narrow internal space. Can easily. Therefore, the productivity of the side door device is improved accordingly, and the production cost can be reduced.

JP 2001-115736 A

  However, in the case of the other prior art described above, since the side wall opening is formed in the lower portion of the side wall, firstly, water such as rain water jumps into the lower portion of the side wall when the vehicle is traveling. In case of intrusion, the water may enter the passenger compartment through the side wall opening. Second, since the side wall opening is formed in the lower part of the side wall, the strength and rigidity of the lower part of the side wall tend to be reduced. Arise.

  Therefore, it is conceivable to separately provide a cover body that covers the side wall opening to prevent water from entering the passenger compartment from the outside of the vehicle body. Further, it is conceivable to increase the strength and rigidity of the side wall by increasing the thickness of the plate material of the side wall or separately providing a side wall reinforcing material. However, if the cover body and the reinforcing material are separately provided in this way, the configuration of the side door device may be complicated or the mass may be increased, which may reduce the productivity of the side door device. Produce.

  The present invention has been made paying attention to the above situation, and an object of the present invention is to drive a side door device of a vehicle to open and close a door with respect to a door opening formed on a side wall of a vehicle body. In the case where the drive unit is provided, even if the drive unit can be easily attached to the vehicle body, water can be more reliably prevented from entering the vehicle compartment from the outside of the vehicle body, and the strength of the side wall can be increased. It is to ensure that the rigidity is well maintained and that the productivity of the side door device is well maintained.

According to the first aspect of the present invention, a door opening 21 formed on the side wall 6 of the vehicle body 2 to communicate the inside and outside of the vehicle interior 3 inside the vehicle body 2 and the door opening 21 can be opened and closed so as to open and close from the outside of the vehicle body 2. The door 23 is formed at the lower portion of the side wall 6, and the side wall openings 38 and 39 are formed so as to communicate the interior of the lower portion of the side wall 6 with the vehicle compartment 3. A drive unit 47 which is inserted into the side wall openings 38 and 39 from the vehicle compartment 3 so as to be located inside the lower side of the side wall 6 and attached to the lower side of the side wall 6 and which drives the door 23 to open and close; In a vehicle side door device comprising:
A cover body 60 that covers one end portion of the drive unit 47 from the outside and is attached to one end portion of the drive unit 47 is provided, and the cover body 60 attached to one end portion of the drive unit 47 includes the side wall openings 38, 39 is a side door device for a vehicle, characterized in that the vehicle compartment 3 is closed, and attached to the lower portion of the side wall 6.

  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 the first aspect of the present invention, there is provided a door opening formed on the side wall of the vehicle body for communicating the inside and outside of the passenger compartment inside the vehicle body, a door that can be opened and closed so as to open and close the door opening from the outside of the vehicle body, A side wall opening formed at a lower portion of the side wall for communicating the inside of the lower portion of the side wall with the passenger compartment, and one end portion is located on the side of the passenger compartment, while the other end portion is located on the inner side of the lower portion of the side wall. A vehicle side door device including a drive unit that is inserted into the side wall opening and attached to the lower portion of the side wall to drive the door to open and close;
A cover body that covers one end portion of the drive unit from the outside and is attached to the one end portion of the drive unit is provided, and the cover body that is attached to the one end portion of the drive unit closes the side wall opening from the vehicle compartment. It is designed to be attached to the lower portion of the side wall, and the following effects are produced.

  That is, when the vehicle side door device includes a drive unit that drives the door to be opened and closed with respect to the door opening formed on the side wall of the vehicle body, the drive unit is attached to the lower portion of the side wall of the vehicle body. Compared to the case where the drive unit is provided in the interior space of the door having a very small space and attached to the door as in the conventional technique described above, the operation of attaching the drive unit to the vehicle body can be facilitated.

  In addition, when the drive unit is attached, first, the cover body is attached to one end portion of the drive unit in a wide working space, and then the other end portion of the drive unit opens from the passenger compartment to the side wall opening. And inserting the drive unit into the vehicle body is completed by closing the side wall opening by the cover body and attaching the cover body to the lower side wall at the end of the insertion. . Therefore, the drive unit can be attached smoothly and easily.

  As described above, when the drive unit can be easily attached to the vehicle body, the side wall opening is closed by the cover body.

  For this reason, first, even when water such as rainwater jumps into or enters the lower part of the side wall when the vehicle is running, the cover body prevents the water from entering the passenger compartment. The

  Secondly, when the side wall opening is formed in the lower part of the side wall as described above, the strength and rigidity of the lower side wall part tend to be reduced accordingly. This is because the side wall opening is closed by the cover body. Since it can be compensated by attaching the cover body to the lower part of the side wall, the strength and rigidity of the lower part of the side wall are maintained well. Therefore, the vehicle maneuverability is maintained well, and the lower portion of the side wall can sufficiently resist the impact force at the time of a side collision.

  Thirdly, since the cover body that closes the side wall opening isolates the drive unit from the passenger compartment, the drive unit can be stepped on by passengers in the passenger compartment or water can be dropped from the passenger compartment. Is more reliably prevented.

  In addition, since the cover body is used both for attaching one end portion of the drive unit to the lower portion of the side wall and for closing the side wall opening, the configuration of the side door device can be simplified accordingly. In addition, good maintenance of the strength and rigidity of the lower side wall is achieved by closing the side wall opening with a cover body and attaching the cover body to the lower side wall. Therefore, the thickness of the plate material at the lower side wall is increased. Or providing a separate reinforcing material is sufficient.

  Therefore, although this invention has the said 1st-3rd effect, it can prevent that the structure of a side door apparatus becomes complicated or mass increases. As a result, the productivity of the side door device can be maintained well.

It is the II sectional view taken on the line of FIG. 1 is an overall side view of a vehicle. FIG. 3 is an enlarged plan view taken along line III-III in FIG. 2. FIG. 4 is a partially enlarged detail view of FIG. 3. It is the perspective development view which looked at the left side part of the vehicle body from the compartment side.

  In the vehicle side door device according to the present invention, when the vehicle side door device includes a drive unit that drives the door to open and close with respect to a door opening formed on the side wall of the vehicle body, the drive unit to the vehicle body is provided. Even when the attachment work of the vehicle is made easy, water can be more reliably prevented from entering the passenger compartment from the outside of the vehicle body, and the strength and rigidity of the side wall can be maintained well. In order to realize the above, the form for carrying out the present invention is as follows.

  That is, a vehicle side door device includes a door opening that is formed on a side wall of a vehicle body to allow communication between the inside and outside of a passenger compartment inside the vehicle body, and a door that can be opened and closed to open and close the door opening from the outside of the vehicle body. A sidewall opening formed in the lower portion of the side wall for communicating the interior of the lower portion of the side wall with the passenger compartment, and having one end located on the side of the passenger compartment and the other end located on the inner side of the lower portion of the sidewall. A drive unit that is inserted into the side wall opening from the passenger compartment and attached to the lower portion of the side wall, and that drives the door to open and close.

  A cover body that covers one end of the drive unit from the outside and is attached to the one end of the drive unit is provided. A cover attached to one end of the drive unit closes the side wall opening from the vehicle compartment and is attached to the lower portion of the side wall.

  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 casing 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. The panel 7 is separated from each other in the width direction of the vehicle body 2 and extends in the front-rear direction of the vehicle body 2. The panel 7 is coupled to each other by a cross member (not shown) and is coupled to the lower portion of each side wall 6. A pair of left and right side members 8 that are skeleton members of the vehicle body 2 supported from the lower surface side, and a roof panel 9 that is installed on each upper edge of the left and right walls 6 to form the upper surface of the vehicle compartment 3. I have.

  The side walls 6 face each other in the width direction of the vehicle body 2 and face each other, and are firmly joined to each other, the inner panels 11 and 12, the side portions of the floor panel 7 in the middle in the front-rear direction, and the side walls 6. Each of the passenger compartments 3 has a connecting panel 13 that connects the lower surfaces of the inner panel 12 and the lower part of the inner panel 12 in the longitudinal direction.

  The connecting panel 13 is formed integrally with the front and rear plates 14 and 15 facing each other in the front-rear direction of the vehicle body 2 and the upper end edges of the front and rear plates 14 and 15. An upper surface plate 16, a side plate 17 that is formed integrally with each side edge of the vehicle body 2 of each of the plates 14 to 16, and the front and rear plates 14, 15 are formed integrally with each other. Each lower edge, an outer side edge of the upper surface plate 16 on the outer side of the vehicle body 2 and an outward flange 18 extending integrally from the lower edge of the side plate 17 and integrally formed with each other, Have. Then, the outward flange 18 is joined to the surface of the floor panel 7 and the inner panel 12 by the spot welding S as a whole.

  In the above case, the side parts of the floor panel 7, the lower part of the inner panel 12, and the combination bodies 7, 12, and 13 formed by the connection panel 13 form a box shape and have high strength and rigidity. Thereby, the lower part in the midway part of the front-back direction of the said side wall 6 is fully reinforced.

  A side door device 19 is provided on the side wall 6. The side door device 19 is formed on the side wall 6 and communicates with the interior and exterior of the vehicle compartment 3 before and after the rear door openings 20 and 21, and the front and rear door openings 20 and 21 from the outside of the vehicle body 2. It has rear doors 22 and 23 before being provided so that it can be opened and closed.

  At the lower portion of the side wall 6, a rocker that extends in the front-rear direction of the vehicle body 2 by joining the lower portions of the outer and inner panels 11, 12 and constitutes the lower opening edges of the front and rear door openings 20, 21. 26 is formed. Of the left and right side walls 6, it is a middle part in the front-rear direction of the right side wall 6, and extends vertically between the front and rear door openings 20, 21. A center pillar 27 is formed. Each of the rocker 26 and the center pillar 27 has a hollow closed cross-sectional structure in the longitudinal direction thereof, has high strength and rigidity, and is a skeleton member of the vehicle body 2.

  Of the left and right walls 6, the left and right walls 6 are integrally formed with the front and rear door openings 20 and 21 and are not provided with the center pillar 27. The center pillar 27 may be provided as indicated by a chain line.

  The rear door 23 is a slide type that is movable in the front-rear direction of the vehicle body 2 along the outer side surface of the rear portion of the side wall 6. The rear door opening 21 is opened by the rearward movement of the rear door 23, and the rear door opening 21 is closed by the forward movement.

  Specifically, the rear portion of the side wall 6 extends in the front-rear direction of the vehicle body 2 along the outer surface of the upper portion, the middle portion in the vertical direction, and the lower portion of the vehicle body 2 so as to open and close the rear door opening 21. Upper, center, and lower rails 30 to 32 for guiding the door 23 in the front-rear direction are supported. Each of the rails 30 to 32 is fitted with a roller 33 that can move only in the longitudinal direction, and the rear door 23 is connected to and supported by the arm 34 with respect to each of the rollers 33.

  Of the outer and inner panels 11, 12 constituting the rear part of the rocker 26 at the lower part of the side wall 6, the outer panel 11 extends along the longitudinal direction of the rear part of the rocker 26 and has a long opening throughout the longitudinal direction. 37 is formed. The long opening 37 allows the inside of the rocker 26 that is the inside of the lower portion of the side wall 6 to communicate with the outside of the vehicle body 2.

  On the other hand, the inner panel 12 constituting the rear part of the rocker 26 is formed with a first side wall opening 38 facing the front end of the long opening 37 in the width direction of the vehicle body 2. The first side wall opening 38 allows the inside of the rocker 26 and the inside of the connecting panel 13 (inside the combination bodies 7, 12, 13) to communicate with each other. A second side wall opening 39 is formed so as to straddle the rear plate 15, the upper plate 16, and the side plate 17 of the connection panel 13. The second side wall opening 39 allows the inside of the connection panel 13 and the vehicle compartment 3 to communicate with each other.

  In the above case, the strength and rigidity of the rear portion of the rocker 26 tend to be reduced due to the formation of the first side wall opening 38, which forms the box-shaped combination 7, 12, 13 by the connection panel 13. As a result, a predetermined strength and rigidity are secured at the rear portion of the rocker 26. For this reason, regardless of the formation of the first side wall opening 38, the operability of the vehicle 1 is maintained well. The rear part of the rocker 26 strongly opposes the impact force at the time of a side collision while the vehicle 1 is traveling.

  An upper surface plate 42 that is installed on each upper edge of the long opening 37 and the first side wall opening 38 and is coupled to the rocker 26, and each lower end edge of the long opening 37 and the first side wall opening 38 And a side plate 44 integrally connecting the end portions of the inner side of the vehicle body 2 at the rear portions of the upper and lower plate 42, 43. And are provided. The upper surface plate 42, the lower surface plate 43, and the side surface plate 44 are located inside the rear portion of the rocker 26 and constitute a part of the rear portion of the rocker 26, and also function as a reinforcing material for the rocker 26.

  The lower rail 32 is positioned between the upper and lower surface plates 42 and 43 inside the rear portion of the rocker 26 and supported by the lower surface of the upper surface plate 42. A front end portion of the lower rail 32 projects into the connection panel 13 through the first side wall opening 38. The lower portion of the rear door 23 is connected to the roller 33 fitted in the lower rail 32 by the arm 34 through the long opening 37.

  There is provided a drive unit 47 that drives the rear door 23 to move in the front-rear direction, that is, drives the rear door 23 to open and close. The drive unit 47 extends in the front-rear direction of the vehicle body 2 along the lower rail 32. One end portion (front end portion) of the drive unit 47 is located on the side of the casing 3 so that the casing 3 is exposed to the side, while the other end of the drive unit 47 is positioned on the end (the rear end portion). ) Is located inside the rear of the rocker 26. The other end of the drive unit 47 is inserted into the first and second side wall openings 38 and 39 from the passenger compartment 3 and attached to the lower portion of the side wall 6.

  One end of the drive unit 47 is constituted by a drive unit main body 48 mainly composed of a reduction motor that outputs a drive force that can be rotated forward and backward. Further, the other end of the drive unit 47 is transmitted by the drive force transmission unit 49 that transmits the drive force output from the drive unit main body 48 to the rear door 23 and drives the rear door 23 to open and close. Composed.

  The driving force transmitting portion 49 extends in the front-rear direction of the vehicle body 2 along the lower rail 32, and a front end portion of the driving force transmitting portion 49 is fixed to the housing of the motor of the driving unit main body portion 48, and the driving unit main body portion 48. A toothed drive wheel 53 fixed to the output shaft of the motor, a driven wheel 54 supported by the rear end of the bracket 52, and the drive wheel 53 wound around the drive wheel 53 and the driven wheel 54. And a connecting device 56 for connecting a part of the belt 55 in the longitudinal direction to the arm 34.

  A cover body 60 made of sheet metal is provided that covers the drive unit main body 48 of the drive unit 47 from the outside (above) and is attached to the drive unit main body 48 by a fastener 59. The cover body 60 to which the drive unit main body 48 is attached enables the second side wall opening 39 to be opened and closed by the vehicle compartment 3. The cover body 60 with the second side wall opening 39 closed is detachably attached to the opening edge of the second side wall opening 39 in the connection panel 13 by a fastener 61. In this case, a sealing material is attached to at least one of the opening edge portion of the second side wall opening 39 of the connection panel 13 and the outer edge portion of the cover body 60, and a sealant is provided between these 13 and 60. Enough. In addition, the operation of twisting the fastener 61 can be made clear from the passenger compartment 3.

  On the other hand, the driving force transmitting portion 49 has a bracket 52 detachably attached to the upper surface plate 42 at the rear portion of the rocker 26 below the side wall 6 by a fastener 62. In this case, the operation of twisting the fastener 62 can be performed from the vehicle compartment 3.

  When the drive unit main body 48 of the drive unit 47 is driven forward and reverse, the drive force is transmitted to the rear door 23 via the drive force transmitting portion 49, and the rear door 23 moves back and forth. The rear door opening 21 can be arbitrarily opened and closed.

  When the drive unit 47 is attached to the lower part of the side wall 6 of the vehicle body 2, first, the drive unit main body 48 of the drive unit 47 is covered with the cover body 60 from above in a wide working space. The cover body 60 is attached to the drive unit main body 48 with a fastener 59. Next, as shown in FIG. 5, the drive unit 47 and the cover body 60 are integrally positioned in the passenger compartment 3.

  Next, as indicated by a two-dot chain line arrow in FIG. 5, the drive unit 47 is moved from the rear end portion of the drive force transmitting portion 49 whose other end portion is the second through the operation from the passenger compartment 3. The side wall opening 39 and the first side wall opening 38 are sequentially inserted into the lower portion of the side wall 6.

  Next, the casing 3 is closed by the cover body 60 attached to the drive unit main body 48 of the drive unit 47, and the cover body 60 is fastened to the fastener 61 by the work from the inside. To the connecting panel 13 which is the lower side of the side wall 6. At the same time, the bracket 52 of the driving force transmitting portion 49 of the driving unit 47 is attached to the upper surface plate 42 below the side wall 6 by the fastener 62. Then, the mounting operation of the drive unit 47 to the lower portion of the side wall 6 of the vehicle body 2 is completed.

  According to the above configuration, when the side door device 19 of the vehicle 1 includes the drive unit 47 that drives the door 23 to open and close with respect to the door opening 21 formed in the side wall 6 of the vehicle body 2, the drive unit Since 47 is attached to the lower portion of the side wall 6 of the vehicle body 2, compared to the case where the drive unit is provided in the interior space of the door with a very small space and attached to this door as in the conventional technique described above, The mounting operation of the drive unit 47 can be easily performed.

  Moreover, when the drive unit 47 is attached, first, the cover body 60 is attached to the drive unit main body 48 which is one end of the drive unit 47 in a wide working space. A driving force transmission portion 49 having an edge is inserted into the lower portion of the side wall 6 from the vehicle compartment 3 through the first and second side wall openings 38 and 39, and at the end of the insertion, the cover body 60 If the second side wall opening 39 is closed and the cover body 60 is attached to the connection panel 13 below the side wall 6, the operation of attaching the drive unit 47 to the vehicle body 2 is completed. Therefore, the mounting operation of the drive unit 47 can be facilitated smoothly.

  As described above, when the drive unit 47 can be easily attached to the vehicle body 2, the second side wall opening 39 is directly connected by the cover body 60, and the first side wall opening 38 is indirectly connected. Closed.

  For this reason, first, even when water such as rainwater enters the inside of the lower portion of the side wall 6 through the long opening 37 or the like when the vehicle 1 travels, The entry into the chamber 3 is prevented by the cover body 60.

  Second, when the first side wall opening 38 and the second side wall opening 39 are formed in the lower portion of the side wall 6 as described above, the strength and rigidity of the lower portion of the side wall 6 tend to be reduced accordingly. This can be compensated by closing the second side wall opening 39 with the cover body 60 and attaching the cover body 60 to the lower part of the side wall 6, so that the strength and rigidity of the lower part of the side wall 6 are maintained well. Therefore, the operability of the vehicle 1 is maintained well, and the lower portion of the side wall 6 can sufficiently counter the impact force at the time of a side collision.

  Thirdly, since the cover body 60 that closes the second side wall opening 39 isolates the drive unit 47 from the vehicle compartment 3, the drive unit 47 is stepped on by a passenger in the vehicle compartment 3, It is more reliably prevented that water is dropped from the passenger compartment 3.

  Moreover, the cover body 60 is used both for attaching the drive unit main body 48, which is one end of the drive unit 47, to the lower portion of the side wall 6 and for closing the second side wall opening 39. The configuration of the side door device 19 can be simplified. Further, good maintenance of the strength and rigidity of the lower portion of the side wall 6 is achieved by closing the second side wall opening 39 with the cover body 60 and attaching the cover body 60 to the lower portion of the side wall 6. It is not necessary to increase the thickness of the plate material or to provide a separate reinforcing material.

  Therefore, although the said structure has the said 1st-3rd effect, it can prevent that the structure of the side door apparatus 19 becomes complicated or mass increases. As a result, the productivity of the side door device 19 can be maintained satisfactorily.

  Although the above is based on the illustrated example, the drive unit 47 may be one using a wire, a cable, or a link instead of the belt-wound type using the belt 55.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Car body 3 Car compartment 6 Side wall 7 Floor panel 8 Side member 9 Roof panel 11 Outer panel 12 Inner panel 13 Connection panel 14 Front panel 15 Rear panel 16 Top panel 17 Side panel 18 Outward flange 19 Side door device 21 Door opening 23 Door 26 Rocker 27 Center pillar 32 Lower rail 33 Roller 34 Arm 37 Long opening 38 First side wall opening (side wall opening)
39 Second side wall opening (side wall opening)
47 Drive unit 48 Drive unit main body 49 Drive force transmission unit 59 Fastener 60 Cover body 61 Fastener 62 Fastener S Spot welding

Claims (1)

A door opening formed on the side wall of the vehicle body to allow communication between the inside and outside of the passenger compartment inside the vehicle body; a door that can be opened and closed so as to open and close the door opening from the outside of the vehicle body; A side wall opening that allows the interior of the lower portion of the side wall to communicate with the passenger compartment, and one end portion of which is located in the side wall opening while the other end portion is located in the lower portion of the side wall. A vehicle side door device comprising a drive unit attached to the lower portion of the side wall and driving to open and close the door,
A cover body that covers one end portion of the drive unit from the outside and is attached to the one end portion of the drive unit is provided, and the cover body that is attached to the one end portion of the drive unit closes the side wall opening from the vehicle compartment. A side door device for a vehicle, wherein the side door device is attached to a lower portion of the side wall.

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