JPH03156086A - Sliding door structure of vehicle - Google Patents

Abstract

PURPOSE:To permit automatic switching operation by a simple constitution as well as improve the layout of a slide door structure by providing a spiral shaft, a driver slide part, a clutch mechanism to connect or disconnect the slide part to the spiral shaft, and an operator for the clutch mechanism. CONSTITUTION:A spiral shaft 16 set along the moving direction of a sliding door 3 is tuned by a drive motor 17, and a slide part 18 is moved to open or close a door 3 along a guide rail in a sliding manner. The spiral shaft 16 is set without the need to secure excessive space. During the operating period of a drive motor 17, a clutch mechanism 25 to connect or disconnect the slide part 18 with the shaft 16 is operated by an operator 50 to open or close the door 3 automatically. Furthermore, the slide part 18 is moved by the operator to open or close the door 3.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to the structure of a sliding door that is slidable along a guide rail provided on a vehicle body.

(Prior Art) For example, a sliding door that can be slid in the longitudinal direction of the vehicle body along a guide rail provided on the vehicle body is disposed on the rear seat side of a wagon-type vehicle. As an opening/closing drive device that automatically opens and closes a sliding door by sliding it along a guide rail, various opening/closing drive devices using a chain driven by a motor, an air cylinder, or the like have been developed.

As an example, there is an automatic opening/closing device for a sliding door for a vehicle described in Japanese Patent Application Laid-Open No. 59-170381. and a pair of flexible cables, one end of which is connected to both sides of the sliding door, and the other end of which is wound around a driving means disposed at a predetermined position on the vehicle body, the driving means The sliding door is opened and closed by pulling the cable and causing the cable to run in the forward and reverse directions of the vehicle body.

(Problem to be Solved by the Invention) By the way, in the case where the sliding door is automatically opened and closed as the cable runs in the forward and reverse directions as described above, in order to realize the smooth running of the cable, it is necessary to It is necessary to arrange the cables over a relatively wide range so as not to bend them excessively, and as a result, interference between the cables and other installation members becomes a problem, reducing the ease of layout. was.

In addition, the automatic sliding door opening/closing device described above is required to have the ability to open and close the sliding door automatically, and also to open and close the sliding door by manual operation as necessary. If an attempt is made to add a mechanism for manually opening and closing the sliding door to an automatic opening/closing device in addition to a mechanism for automatically opening and closing the sliding door, the automatic opening/closing device will become complicated and It was supposed to lead to an increase in size.

Therefore, the present invention has a relatively simple configuration that allows the sliding door to be opened and closed by switching to manual or automatic operation, and also has a layout that allows for good layout without interfering with other installation members. The purpose is to provide a rich vehicle sliding door structure.

(Means for Solving the Problems) In order to solve the above problems, the present invention is characterized by the following configuration.

That is, in the structure of a sliding door that is slidable along a guide rail arranged on a vehicle body, a spiral shaft arranged along the moving direction of the sliding door;
a driving means for rotating the helical shaft; a sliding member that is engaged with the helical shaft and moves on the shaft as the shaft rotates to open and close the sliding door; and a sliding member that engages the sliding member with the helical shaft. The present invention is characterized in that it is provided with a clutch mechanism for disengaging the clutch mechanism, and an actuating means for engaging the clutch mechanism when the driving means is activated and disengaging the clutch mechanism when the driving means is stopped.

(Function) According to the above configuration, by rotating the helical shaft disposed along the moving direction of the sliding door by the driving means, the sliding member moves along the helical shaft. As a result, the sliding door slides along the guide rail provided on the vehicle body, and the sliding door can be opened and closed. In this case, since the helical shaft is arranged along the sliding direction of the sliding door, it is possible to arrange the helical shaft closer to the side of the guide rail that guides the sliding of the sliding door. Therefore, there is no need to secure extra space for arranging the helical shaft, and as a result, the helical shaft can be arranged extremely well without interfering with other arrangement members.

Furthermore, when the driving means for rotating the helical shaft is activated, the clutch mechanism for engaging and disengaging the slide member from the helical shaft is engaged by the actuating means, and as a result, as the helical shaft rotates, it slides on the helical shaft. As the member moves, the sliding door can be opened and closed automatically, and when the driving means stops, the clutch mechanism is disengaged by the actuating means, and in this case, manual operation is required. By operating the sliding member, the sliding member can be moved along the spiral shaft to open and close the sliding door. In this way, the sliding door can be opened and closed manually and automatically using a relatively simple configuration that only includes an operating means that engages and disengages the clutch mechanism depending on the operating state of the driving means that rotates the helical shaft. can do.

(Example) Embodiments of the present invention will be described below based on the drawings.

As shown in FIGS. 1 and 2, a sliding door 3 that is slidable in the longitudinal direction of the vehicle body for opening and closing the rear compartment 2 is provided on the side surface of the vehicle body 1. A channel-shaped lower rail 4 that extends in the longitudinal direction of the vehicle body and whose front end is slightly curved toward the inside of the rear passenger compartment 2 is fixed to the lower side surface of the lower rail 4.
, an inner panel 3a forming the sliding door 3 is shown.
(See FIG. 2) is engaged with the tip of a guide bracket 5 fixedly provided below the front end. In addition, at approximately the vertical center of the outer panel 6a forming the rear side surface of the vehicle body 1, there is a channel-shaped center rail 7 that extends in the longitudinal direction of the vehicle body and has a front end slightly curved toward the inside of the rear passenger compartment 2.
is fixed to the center rail 7, and the tip of a guide member 8 rotatably supported by the rear end of the inner panel 3a of the sliding door 3 is engaged with the center rail 7. Further, a channel-shaped upper rail 10 extending in the longitudinal direction of the vehicle body is fixedly provided on the lower side of the roof panel 9 of the vehicle body 1, and the front end of this upper rail 10 is also shaped like the lower rail 4 and the center rail 7. It is slightly curved toward the inside of the rear passenger compartment 2, and
The upper rail 10 is engaged with the tip of a guide arm 11 fixed to the upper edge of the inner panel 3a of the sliding door 3. As a result, the above slide 3
As shown in the figure, the door slides toward the front of the vehicle along each guide rail 4, 7, 10 from the open state located on the side of the outer panel 6a forming the rear side of the vehicle body 1, and At the final stage, each of the above guide rails 4,
By moving toward the inside of the vehicle (towards the rear compartment 2) along the curved shape of the front end of the door 7.10, the door is brought into the closed state shown by the solid line in FIG. 2.

As shown in FIG. 1, a striker 12 is fixed at a predetermined position on the opening edge 1a of the vehicle body 1, which the rear edge of the slide door 3 comes into contact with when the slide door 3 is closed. The striker 12 is engaged by a locking mechanism (not shown) provided at the rear edge of the sliding door 3, thereby locking the sliding door 3 in a closed state. ing.

Furthermore, the sliding door 3 is attached to each guide rail 4.7.1.
An opening/closing drive device 13 is disposed below the side of the vehicle body 1 to open and close the door 3 by sliding the door 3 in the longitudinal direction of the vehicle body. A pair of brackets 14a and 14b are placed, for example, on the lower side of a floor panel (not shown), and a camshaft 15 and a helical shaft 16 are in parallel across these brackets 14a and 14b, and both shafts 15 The camshaft 15 and the helical shaft 16 are provided with a drive motor 17 for driving the helical shaft 16 in forward and reverse rotation. When the drive motor 17 is started from the ON state of the clutch mechanism, the slide member 18
is configured to run toward the rear of the vehicle (11 (door opening direction)) or toward the front of the vehicle (door closing direction) depending on the direction of motor rotation.

Further, the opening/closing drive device 13 has four links 19a to 19d.
The four-joint link mechanism 19 is provided with a freely bendable four-joint link mechanism 19 which pivotally connects the four-joint link mechanism 19.
(see figure) serves as a rotational fulcrum for the link mechanism 19, and is mounted on the inside of the vehicle at a position opposite to the slide door 3 across the helical shaft 16, for example, via a bracket 21 (see figure 1) on the bottom side of the floor panel. One link 19b that is rotatably supported and connected to a joint 20b (see FIG. 2) located diagonally with respect to the rotation center joint 20a extends beyond the joint 20b; Its extended free end is attached to the mounting bracket 22 at the lower end of the front side of the sliding door 3.
The intermediate portion of another link 19a connected to this link 19b is connected to the slide member 18.

In this case, the link 19a and the slide member 18 are connected by erecting a pivot pin 23 on the upper surface of the slide member 18.
The tip of the swing link 24, which is supported by the pivot pin 23 so as to be horizontally swingable, is pivotally supported by the link 19a. Therefore, the opening/closing drive device 13 is, for example, the sliding door 3
When the slide member 18 moves toward the rear of the vehicle body in the closed state as shown in FIG. The four-joint link mechanism 19 bends and rotates in the same direction using the central joint portion 20a as a fulcrum, and the sliding door 3 slides in the opening direction. Also,
Similarly, when the slide member 18 travels in the opposite direction, the movement of the member 18 is transmitted to the slide door 3 by the four-joint link mechanism 19, and the door 3 slides in the closing direction. Then, when the linear motion of the slide member 18 is converted into the rotational motion of the four-joint link mechanism 19,
Changes in the relative positional relationship between the slide member 18 and the link 19a are absorbed by the swing motion of the swing link 24.

Further, the slide member 18 is provided with a clutch mechanism 25 for engaging and disengaging the member 18 from the helical shaft 16 as necessary.
is built-in. This clutch mechanism 25 will be explained based on FIGS. 3 and 4. A helical shaft 16 and a camshaft 1
A support shaft 26 is fixedly installed in parallel with the slide member 18, and a clutch member 27 supported by the support shaft 26 so as to be vertically swingable is housed in a recess 18a formed in the center of the lower surface of the slide member 18. , this clutch member 27 is always urged into the position shown by the solid line in FIG. , a convex portion 27a on one side of the clutch member 27 that contacts the outer circumference of the camshaft 15,
In addition, a female screw portion 27 that engages with the helical shaft 16 is provided on the other side.
b are each integrally formed. Then, the biasing force of the coil springs 28, 28 keeps the convex portion 27a in a state of protruding into the concave portion 15a of the camshaft 15, and from this state, the camshaft 15 is moved to a predetermined position, for example, as shown by the chain line in FIG. When the angle is rotated, the convex portion 27a comes out of the concave portion 15a and is pushed downward, the clutch member 27 swings about the support shaft 26 against the coil springs 28, 28, and the female screw portion 27b spirals. It is configured to mesh with the shaft 16. Therefore, if the helical shaft 16 is rotated forward and backward by the drive motor 17 from this state, the slide member 18 will reciprocate along the helical shaft 16.

Further, in this embodiment, when the sliding door 3 slides in the closing direction, a closing mechanism 30 is provided to move the door 3 toward the inside of the vehicle body at the final stage to ensure that the door is in the closed state. ing.

As shown in FIG. 2.5, this mechanism 30 is disposed between the opening/closing drive device 13 and the vehicle body, and is rotatably supported on an extension of the bracket 14a that supports the drive motor 17. The first link 31 is rotatably supported via a bracket 32 between the first link 31 and the outer panel 6a and inner panel 6b (see FIG. 2) that constitute the rear side of the vehicle body, that is, the outer panel 6a and the inner panel 6b (see FIG. 2). A rod member 33, a second link 34 fixed to the lower end of the rod member 33, one end connected to the second link 34 via a connecting pin 35, and the other end connected to the first link 31. The upper end of the rod member 33 can be engaged with an engagement bin 38 fixed to the rear edge 3C of the sliding door 3 via a mounting bracket 37. A hook member 39 is fixedly provided. Furthermore, the first link 31
An engagement pin 40 is fixed on one side, and this engagement pin 40 is adapted to be engaged with a hook member 41 fixed on the lower surface of one side of the slide member 18. There is.

Therefore, the slide member 1 is further changed from the state shown in FIG.
8 moves on the spiral shaft 16 in the closing direction of the slide door 3, the hook member 41 fixed to the slide member 18 engages with the engagement pin 40 fixed to the first link 31. As a result, the first link 31 becomes the fifth link.
Along with this, the second and third links 34 and 36 are also rotated or moved in the arrow directions, so that the second link 34 and the second link 34 are rotated in the arrow direction shown in the figure. Hook member 39 via integral rod member 33
is rotated, and the hook member 39 engages with the engagement pin 38 fixed to the rear end edge of the slide door 3. Further, as the hook member 39 is rotated, the slide door 3 is rotated. The door 3 can be reliably brought into a closed state by moving the grass inward just before it is fully closed.

In this embodiment, the clutch member 27 shown in FIG. 3.4 is swung about the support shaft 26 as the camshaft 15 rotates, and the female threaded portion 27b of the clutch member 27 is rotated in a spiral manner. Actuation means 50 for engaging shaft 16
is provided on the side of the bracket 14a that supports the ends of the camshaft 15 and the spiral shaft 16, respectively.The configuration of this actuating means 50 will be explained based on FIGS. 6 to 8. , appropriate interlocking mechanism
A first shaft 52 is rotated by the drive motor 17 via a motor (not shown), and has a large-diameter first disk plate 51 integrally formed therein, and a front end is connected to a rear end of the first shaft 52. A second disk plate 53 which is fitted onto the outside and has a large diameter is integrally formed with a second shaft 54 that is rotatably supported by the bracket 14a, and an end portion of the camshaft 15 that protrudes from the bracket 14a. This third disc plate 55 has an engaging pin 56 fixed thereto, and the third disc plate 55 is provided with an engaging pin 56, and the third disc plate 55 is provided with an engaging pin 56.
, 53 are formed with cutout portions 51a and 53a, respectively, which engage an engagement pin 56 fixed to the third disk plate 55. Furthermore, the first shaft 51
A coil spring 57 is attached to the coil spring 57, and both legs 57a, 57b of the coil spring 57 fit into engagement holes 51b, 5 formed in each disc plate 51.53.
3b, respectively. On the other hand, a coil spring 58 is also attached to the camshaft 15, and both legs of the coil spring 58 are 58a and 58b.
is the bracket 14a and the third disk plate 5.
The retaining pins 56 fixed to the disc plate 55 are respectively engaged with the engaging holes 14b and 55a formed in the first and second disc plates 51 and 53. , 53a, the disc plate 55 is biased into engagement with the disc plates 53a, 53a. Also,
A small-diameter shaft portion 16a integrally formed with the front end portion of the helical shaft 16 is rotatably fitted into the rear portion of the second shaft 54, and the drive bin 5 is fitted into the small-diameter shaft portion 16a.
9 is fixedly installed, and a circumferential hole 54a is formed in a predetermined range in the circumferential direction of the second shaft 54, and when the drive bin 59 is engaged with the circumferential hole 54a, The second shaft 54 and the small diameter shaft portion 16a of the helical shaft 16 are connected.

Therefore, when the drive motor 17 rotates the first shaft 52 in the direction of arrow A as shown in FIG. 9(I), the first disk plate 51 integrated with the first shaft 52 begins to rotate. As a result, the engagement pin 56 fixed to the third disc plate 55 is pressed by the notch 51a of the disc plate 51, and the third disc plate 55 is pressed against the coil spring 58. The camshaft 15, which is integral with the third disk plate 55, rotates at a predetermined angle. As a result, the clutch member 27 in the clutch mechanism 25 (see FIG. 3.4) is swung, and the female threaded portion 27a of the clutch member 27 engages with the helical shaft 16. As described above, at the beginning of the rotation of the first shaft 52, that is, the first disc plate 51, the coil spring 57 is slightly deformed, and the coil spring 57 causes the first disc plate 51 and the second disc plate 53 to Both of them are rotated together with their phases slightly changed. In this case, as shown in FIG. 9, (n), the second shaft integrated with the second disk plate 53 is 54
The end of the circumferential hole 54a formed in The rotational force of the shaft 52 is not being transmitted.

Furthermore, the first shaft 52 (first disk plate 51)
When rotates, as shown in Figure 9 (IV),
One end of the circumferential hole 54a of the second shaft 54, which rotates together with the first shaft 52, comes into contact with the drive pin 59, thereby causing the helical shaft 16 to rotate. The slide member 18 will slide along it. In this case, as shown in FIG. 9, (III), the spiral shaft 16 is connected to the second shaft 54.
As a result, the coil spring 57 that is locked to the second disc plate 53 and the first disc plate 51, which are integral with the second shaft, is greatly deformed, and as a result, the coil springs 57 are deformed greatly. Disc plate 51.5
3 will rotate together with their phases greatly changed. As a result, both disk plates 51
, 53 are shifted, and the engagement pin 56 does not engage with any of the notches 51a, 53a, and the third disc plate 55, i.e. , the camshaft 15 is held rotated at a predetermined angle.

Furthermore, when the drive motor 17 is stopped, the biasing force of the coil spring 57 causes the first disc plate 51 and the second disc plate 53 to move into each other's notched portions 51a, as shown in FIG. 6.7. , 53a are aligned, and each notch 51a.

53a may be displaced from the engaging pin 56. In this case, by slightly rotating the drive motor 17 in the reverse direction, the first disc plate 51 and the second disc plate 53 are rotated in the direction opposite to the arrow A, and the engaging pins 56 are inserted into the notches 51a and 53a. As a result, the camshaft 15 returns to its original state and the clutch member 27 is disengaged from the helical shaft 16.

Note that even when the drive motor 17 is slightly reversed, as shown in FIG. 9, (IV), since the second shaft 54 has a circumferential hole 54a,
9, the spiral shaft 16 is prevented from rotating in the opposite direction. Further, the notch portion 53a in the second disk plate 53 is formed in the first disk plate 51.
The notch part 51a formed in the first part has a cutout shape in a wider range than the notch part 51a formed in the first part.
The notch 51a in the disc plate 51 is
The notch portion 53a of the disc plate 53 may be cut out over a wider range, and in either case, the drive motor 17 is slightly reversed to engage each of the notch portions 51a, 53a. The shape of each cutout portion 51a, 53a is set so that the coupling bottle 56 can be properly engaged with the cutout portion 51a, 53a.

Here, the drive circuit for operating the drive motor 17 will be explained. As shown in FIG. A second grounding circuit 62 , 63 , first and second power supply circuits 66 , 67 respectively connected to a power supply 64 via a main power supply circuit 65 , and a sliding door 3 provided on the first grounding circuit 62 . Each opening switch 68a, 68b, 68c for closing, each opening switch 69a, 69b, 69c for opening the sliding door 3, which is also provided on the second grounding circuit 63, and the first and second power supplies. 3rd and 4th connected to circuits 66 and 67 respectively
The source circuits 70 and 71 and the first and second power supply circuits 66
．． 67 respectively connected to the fifth and sixth power supply circuits 72.
73, and an opening switch 68b and an opening switch 69b provided midway between the third and fourth power supply circuits 70 and 71.
a changeover switch 74 for controlling whether to operate the switch 74, and a changeover switch 75 provided between the fifth and sixth power supply circuits 72, 73 to control whether to operate the opening switch 68c and the opening switch 69c. has. Further, the second grounding circuit 63 has a position detection sensor (not shown) such as a limit switch that detects the open state and closed state of the slide door 3, so that the slide door 3 is in a predetermined position (open position and closed position). ) is provided, a switch 76 is provided which stops the operation of the drive motor 17 when the maximum pressure is reached. Therefore, the changeover switches 74 and 75 are closed and the third,
When the fifth source path 70°72 is connected to the power source 64, the first grounding circuit 62fjF is turned on by turning on any one of the opening switches 68a, 68b, and 68c
! The power supply 64 and the drive motor 17 are connected to each other through any one of the first, third, and fifth power supply circuits 66, 70, and 72.
is connected to rotate the drive motor 17, and accordingly, the camshaft 15 is rotated by a predetermined angle via the actuating means 50, as shown by the chain line in FIG. As the clutch member 27 is swung about the support shaft 26, the female threaded portion 27b of the clutch member 27 is rotated.
meshes with the helical shaft 16, and as a result, the slide member 1
8 moves toward the front of the vehicle on the spiral shaft 16, the sliding door 3 is slid in the closing direction, and the changeover switches 74 and 75 are closed in the same manner as above. Fourth and sixth power supply circuits 71.
73 is connected to the power supply 64, the second grounding circuit 63 is opened by turning on any one of the opening switches 69a, 69b, and 69c, and the second, fourth, and The drive motor 17 is connected to the power supply 64 through any one of the source circuits 67, 71, and 73, and the drive motor 17 is driven to rotate in the opposite direction to the above. Then, similarly to the above, the female threaded portion 27b of the clutch member 27 is connected to the helical shaft 16 via the actuating means 50.
As a result, the slide member 18 moves in the opposite direction to the above, and the slide door 3 is slid in the opening direction. In addition, each opening switch 68a, 68b, 68c and each opening switch 69
a, 69b, and 69c are not operated, the female threaded portion 27b of the clutch member 27 is separated from the helical shaft 16, as shown by the solid line in FIG. It is designed so that it can be opened and closed.

Note that, for example, during each of the above periods, the open switches 68a, 69a
is on the driver's seat side, and the open switch 68b is on the inside of the vehicle near the sliding door 3.
8c and 69c are respectively disposed on the outside of the vehicle near the sliding door 3, and are connected to the first and second power supply circuits 66.
67 are respectively provided with controllers 77 and 78 made of variable resistors for controlling the operation of the drive motor 17 and varying the opening/closing speed when the sliding door 3 is opened/closed.

Next, to explain the operation of this embodiment, for example, when the sliding door 3 is in a closed state as shown by the solid line in FIG. 50, the camshaft 15 is rotated at a predetermined angle, and as a result, the clutch member 27 of the clutch mechanism 25 engages with the helical shaft 16, and as the helical shaft 16 rotates, the camshaft 15 rotates at a predetermined angle. The slide member 18 will travel toward the rear of the vehicle body.

As a result, the four-joint link mechanism 19 connected to the slide member 18 by the swing link 24 is rotated toward the rear of the vehicle body, as shown by the chain line in FIG.
The sliding door 3 can be opened automatically. Further, as shown by the chain line in FIG. 2, when the sliding door 3 is in an open state, the driving motor 17 is driven in reverse, contrary to the above, so that the sliding member 18 runs along the helical shaft 16. A four-joint link mechanism 19 connected to the slide member 18 by a swing link 24 is connected to the second slide member 18.
As shown by the solid line in the figure, the sliding door 3 can be automatically closed by being rotated toward the front of the vehicle body.

In this way, in this embodiment, the helical shaft 1
When the drive motor 17 rotates the actuating means 5
0, the clutch member 27 that engages and disengages the slide member 18 from the helical shaft 16 is engaged, and as a result, the slide member 18 moves on the helical shaft 16 as the helical shaft 16 rotates. The sliding door 3 can be opened and closed automatically, and when the drive motor 17 is stopped, the clutch member 27 is disengaged by the actuating means 50. In this case, the sliding door 3 can be opened and closed by manual operation. It becomes possible to open and close the sliding door 3 by moving the member 18 along the helical shaft 16. In this way, the helical shaft 16
The slide door 3 can be rotated by a relatively simple structure that only includes an actuating means 50 that engages and disengages the clutch member 27 according to the operating state of the drive motor 17 that rotates the slide door 3.
can be opened and closed manually and automatically.

Furthermore, in this embodiment, the closing mechanism 30 allows the sliding door 3 to be well pushed into the vehicle body at the final stage of closing the sliding door 3, so that the door can be reliably closed. In addition, the helical shaft 1
6 is disposed in the sliding direction of the sliding door 3, and the sliding member 18 is configured to linearly reciprocate along the shaft 16. Therefore, these are connected to the sliding door 3 and the guide rails 4, 7, and 10 groups. The opening/closing drive device 13 can be placed near the side of the opening/closing drive device 13.
It becomes possible to configure the entire structure compactly, and its layout properties can be further improved.

(Effects of the Invention) As described above, according to the present invention, the helical shaft for opening and closing the sliding door is disposed along the sliding direction of the sliding door, so that the helical shaft is connected to the sliding door. It is now possible to place it close to the side of the guide rail that guides it.
The helical shaft can be arranged extremely well without interfering with other arrangement members, and the layout properties thereof can be improved.

Furthermore, the sliding door can be opened and closed manually or automatically by having a relatively simple configuration that only includes an operating means that engages and disengages the clutch mechanism depending on the operating state of the driving means that rotates the helical shaft. can.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a schematic perspective view of an automobile to which the sliding door structure according to the embodiment is applied, FIG. 2 is an enlarged sectional view of the main part of FIG. 1, and FIG. 4 is a sectional view taken along the line IV-IV in FIG. 3; FIG. 5 is a perspective view showing the structure of the closing mechanism; FIG. 6 is a perspective view showing the structure of the actuating means; FIG. The figure is a front view of the actuating means, Figure 8 is a sectional view taken along the line ■-■ in Figure 7, and Figure 9 (I).
-(IV) are schematic diagrams explaining the operating states of the actuating means, respectively, and FIG. 10 is a drive circuit diagram of the opening/closing drive device. 1... Vehicle body, 3... Sliding door, 4, 7.10.
...Guide rail, 16...Spiral shaft, 17...
- Drive motor (drive means), 18... slide member,
25... Clutch mechanism, 50... Actuation means. Information 6 To the illustration diagram τ 9 (Iff+ff) 7 3Q Figure 10 6゜7

Claims (1)

[Claims] (1) A structure of a sliding door that is slidable along a guide rail arranged on a vehicle body, and a spiral shaft arranged along a moving direction of the sliding door;
a driving means for rotating the helical shaft; a sliding member that is engaged with the helical shaft and moves on the shaft as the shaft rotates to open and close the sliding door; and a sliding member that engages the sliding member with the helical shaft. A sliding door structure for a vehicle, comprising: a clutch mechanism for disengaging; and an actuating means for engaging the clutch mechanism when the driving means is activated and disengaging the clutch mechanism when the driving means is stopped.