JP4803870B2 - Opening and closing device for vehicle opening and closing body - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an opening / closing device for a vehicle opening / closing body.
[0002]
[Prior art]
Examples of the vehicle opening and closing body include a passenger door and a sunroof movable panel. For example, there is a vehicle in which a rear seat entrance door is slid to open and close a rear seat entrance as a vehicle body opening. Furthermore, in order to facilitate the opening and closing of the door, power assist or automatic opening and closing can be performed. For example, there is an automatic door opening and closing device as disclosed in JP-A-9-317320.
[0003]
A schematic structure of the conventional automatic door opening / closing device will be described below with reference to FIG. In the figure, the right side is the front side of the vehicle and the left side is the rear side of the vehicle. As shown in the figure, a rail 32 extending substantially in the front-rear direction of the vehicle is fixedly provided on the outer surface side of the outer panel 31 a of the vehicle body 31. A slider 33 is engaged with the rail 32 so that it can slide over the entire length of the rail 32, and a rear end portion of the door 34 is coupled to the slider 33 so as to be relatively rotatable.
[0004]
Note that the vehicle front side end of the rail 32 is bent inwardly of the vehicle body at an entrance 35 as a vehicle body opening that is opened and closed by a door 34. This is because, when the entrance / exit 35 is fully closed by the door 34, the door 34 is displaced toward the inside of the vehicle body to form a continuous surface by the outer surface of the door 34 and the outer surface of the outer panel 31a. Because.
[0005]
A front pulley device 36 is provided at the vehicle front end of the rail 32, and a rear pulley device 37 is provided behind the rail 32 in the vehicle. The pulleys in both the pulley devices 36 and 37 are provided so as to be able to rotate around an axis line in the vertical direction of the vehicle body 31. Between the pulley devices 36 and 37, the outer panel 31a is provided inside and outside. A wire cable 38 is looped so as to enter and exit.
[0006]
The wire cable 38 passes through the rail 32 formed so as to have a cable guide groove on the outside of the vehicle body 31, and passes through the through-hole formed in the outer panel 31 a on the inside of the vehicle body 31. It is guided by a tube-shaped outer 38a drawn inside 31b. The outer 38a is connected to a drive device 39 attached to an inner panel (not shown) provided inside the outer panel 31a. Then, the drive cable 39 selectively pulls the wire cable 38 in the vehicle front-rear direction so that the door 34 slides along the rail 32.
[0007]
[Problems to be solved by the invention]
In the illustrated vehicle automatic door opening and closing device, as shown in the figure, the rear pulley 37 is provided at a position spaced from the rear end of the vehicle body of the rail 32 toward the rear of the vehicle body. Further, as described above, the pulley 37a of the rear pulley device 37 is provided so as to rotate about the axis line of the vehicle body 31 in the vertical direction, so that it is the rear portion of the vehicle body 31 and the outer panel 31a. It is provided inside.
[0008]
Further, as shown in the figure, there is a vehicle in which a tail lamp unit 40 is arranged at a corner of the rear part of the vehicle body. In such a case, since the rear pulley device 37 is disposed in the space S between the rear end of the rail 32 and the tail lamp unit 40, the rail 32 is shortened by the space S, and the sliding amount of the door 34 is increased. There is a problem that can not be taken large.
[0009]
In the case of a large vehicle, the above-described problem does not cause any problem because the length of the vehicle body is long and a sufficient sliding amount of the door, that is, the width of the entrance / exit can be secured even with the above-described layout. However, when the automatic door opening and closing device is applied to a small vehicle, there is a problem that the entrance / exit becomes narrow under the influence of the space S.
[0010]
[Means for Solving the Problems]
In order to solve such problems and realize that the opening / closing device for a vehicle opening / closing body can secure a sufficient opening width even in a small vehicle, the present invention opens and closes the opening of the vehicle. An opening / closing device for a vehicle opening / closing body in which the opening / closing body slidably supported can be displaced by an actuator, wherein a cable for connecting the opening / closing body and the actuator, and one end of the cable are connected, and A slider coupled to the opening / closing body, a rail for guiding the slider in the sliding direction, and a pulley for directing the cable to the actuator on one sliding end side of the opening / closing body, , a wall portion which is superimposed on the bottom surface is substantially vertical surface of the vehicle body outward recessed portion formed in a vehicle body outer panel, the inverted U-shape at the top side of the wall portion And-folded groove is formed by a stepped portion which is bent in inverted L-shape at the bottom side of the wall portion, the pulley is removed and inverted U-shaped portion which forms the groove of said rail space And is fixed to the wall so that it can be rotated around an axis substantially perpendicular to the outer surface of the vehicle body on the outside of the rail. It was assumed that it was supported by a pin.
[0011]
According to this, since the pulley is disposed outside the vehicle body, for example, even when a member that protrudes inward of the vehicle body is disposed at the corner portion of the vehicle body, it is not affected by the member. The reversing position of the cable can be brought close to the vehicle body corner. For example, when used as a reversing pulley for the opening side cable in a door opening / closing device, the sliding amount in the opening direction can be increased. Can be widened.
[0012]
In particular, a slider coupled to one end of the cable, and a rail for guiding the slider in the slide direction, according to being attached to the end of the-pulleys Galle Lumpur, the rail It can be used for attaching the pulley, and the structure for attaching the pulley to the vehicle body can be simplified.
[0013]
Further,-pulleys are, according to that provided so as to rotate in a substantially perpendicular axis direction with respect to the outer surface of the vehicle body, so as to extend along the axial end surface of the pulley to the body of the outer surface The protrusion of the pulley disposed outside the vehicle body to the outside of the vehicle body can be reduced.
[0014]
The cable has a cable holder for guiding a radially outer portion of the cable wound around the pulley, and the pulley is provided with a notch for routing one end of the cable when assembled. Therefore, even when the pulley is assembled to the cable holder, the cable can be easily assembled into the pulley by rotating the pulley by engaging one end of the cable with the notch. be able to. The cable holder may be clamped and fixed between the wall portion and the pin, and the actuator may be provided on the vehicle body side of the vehicle body to pull the cable to the wall portion. A cable lead-out hole should be provided.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail based on specific examples shown in the accompanying drawings.
[0016]
FIG. 1 is a schematic side view of a vehicle to which the present invention is applied. The vehicle body 1 is provided with an entrance 2 as an opening for getting in and out of the rear seat, and a door 3 as an opening / closing body for opening and closing the entrance 2 is provided for a vehicle according to the present invention. It is electrically driven by an automatic door opening and closing device so that it can slide in the longitudinal direction of the vehicle body.
[0017]
FIG. 2 is an overall perspective view showing an outline of an automatic door opening and closing device for a vehicle according to the present invention. As shown in FIG. 2, the automatic door opening and closing device for a vehicle includes, for example, an actuator 4 fixed to an inner panel (not shown), and a vehicle body longitudinal direction on the rear side surface of the vehicle body 1 as shown in FIG. Rail 5 provided so as to extend to each other, front pulley device 6 and rear pulley device 7 provided at both ends of rail 5, and actuator 4 to selectively wind up each pulley device 6 and 7 The closed side cable 8 and the open side cable 9 are drawn out to the rail 5 side through the cable.
[0018]
In addition, a link bracket 10 is fixed in the vicinity of the rear end portion (rear portion of the vehicle body) on the inner side (vehicle compartment side) of the door 3, and the slider 11 connected to the link bracket 10 is displaceably engaged with the rail 5. It is supposed to be. The ends of the cables 8 and 9 are connected to the slider 11 via engagement pins 8a and 9a fixed to the ends of the cables (arrow A in the figure).
[0019]
Then, for example, the motor 4a of the actuator 4 rotates forward and backward according to the opening / closing operation of the door 3, and either one of the cables 8 and 9 is wound up by the drum 4b gear-coupled to the motor 4a. . Thereby, the slider 11 is displaced in the longitudinal direction of the vehicle body while being guided by the rail 5, and the door 3 is automatically opened and closed.
[0020]
FIG. 3 is an enlarged plan view of a principal part showing the rear pulley device 7 in the automatic door opening and closing device for a vehicle, and FIG. 4 is an exploded perspective view thereof. As shown in FIG. 3, the rail 5 is fixed so as to be received in an outwardly recessed portion formed in the outer panel 1a. A rear pulley device 7 according to the present invention is provided at the rear end of the rail 5.
[0021]
As shown in FIG. 4, the rail 5 in the illustrated example includes a wall portion 5 a superimposed on the bottom surface (substantially vertical surface of the vehicle body) of the outwardly recessed portion of the outer panel 1 a, and an upper side of the wall portion 5 a. Are formed in a cross-sectional shape having an upper groove portion 5b bent in an inverted U shape and a step portion 5c bent in an inverted L shape on the lower side of the wall portion 5a.
[0022]
Further, the rear pulley device 7 includes a cable holder 12 having an outer shape that fits in a space portion from which the inverted U-shaped portion forming the groove portion 5b is removed on the vehicle outer side of the rear end portion of the rail 5, and the cable holder 12 The rear pulley 13 may be a pulley with a V-shaped groove received therein, and the rivet pin 14 that fixes the cable holder 12 to the rail 5 and pivotally supports the rear pulley 13. The cable holder 12 has a flat box shape having an opening into which the pulley 13 can be dropped horizontally, and a part of the peripheral wall thereof is cut off.
[0023]
The rivet pin 14 is provided with a large-diameter head portion 14a for preventing the rear pulley 13 from coming off, and a small-diameter caulking portion 14b provided on the side opposite to the large-diameter head portion 14a. Then, as shown by an arrow B in FIG. 4, the caulking portion 14 b of the rivet pin 14 that pivotally supports the rear pulley 13 is inserted into the rivet hole 5 d, and the caulking portion 14 b is placed on the back side of the rail 5. By caulking, the cable holder 12 is fixed by being sandwiched between the rivet pin 14 and the rail 5. In this way, the rear pulley 13 is provided so as to be able to rotate around an axis substantially orthogonal to the outer surface of the outer panel 1a.
[0024]
The opening side cable 9 is guided by the cable outer 9b on the side connected to the actuator 4, and the cable itself is exposed on the rear pulley device 7 and the rail 5 side. The same applies to the closing side cable 8. The cable outer 9b is drawn around the passenger compartment side of the outer panel 1a, and is drawn out toward the rail 5 near the rear of the vehicle body. In the lead-out portion, the outer panel 1a and the rail 5 are provided with cable lead-out holes 1b and 5e coaxially with each other, and the grommet 15 for supporting the lead-out portion of the open side cable 9 in a watertight manner It is inserted into the holes 1b and 5e.
[0025]
An outer cap 9c having a pair of outward flange portions is fixed to the end portion of the cable outer 9b, and the outward flange portion of the outer cap 9c is indicated by an arrow C in FIG. As shown, the ends of the cable outer 9b are coupled to the cable holder 12.
[0026]
The inner diameter of the semicircular guide wall portion 12b formed coaxially with the pulley 13 of the cable holder 12 is set so that the gap between the outermost edge of the pulley 13 is smaller than the cable diameter. Thereby, even if it is the cable holder 12 formed in the box shape which has the opening which can drop the pulley 13 for easy assembly | attachment, the disconnection of the cable 9 wound around the pulley 13 can be prevented.
[0027]
Further, the pulley 13 is provided with a notch portion 13a formed by cutting out a part of a pair of collars forming a V-shaped groove. As a result, when the opening side cable 9 is wound around the pulley 13 after the pulley 13 is assembled to the cable holder 12, the engagement pin 9a (see the imaginary line in FIG. 4) is connected to the engagement pin 9a in FIG. As shown by the arrow D, it can be accommodated in the notch 13a. Therefore, by rotating the pulley 13 in a state where the engagement pin 9a is accommodated in and engaged with the notch 13a, the cable end is drawn around the rail 5 while the open cable 9 is wound around the pulley 13. Thus, the cable assembling work can be easily performed.
[0028]
In this way, the open side cable 9 connected to the slider 11 (door 3) is guided by the rail 5 and is reversed to the front of the vehicle body by the pulley 13 at the rear side portion of the rail 5 so that the inside of the actuator 4 Connected to the take-up drum.
[0029]
In the vehicle automatic door opening and closing device according to the present invention configured as described above, the rear pulley device 7 provided at the rear end portion of the vehicle body is disposed outside the rail 5 as described above. Therefore, even if the tail lamp unit 16 has a large overhang at the rear corner of the vehicle body as shown in FIG. 3, the tail lamp unit 16 and the rear pulley device 7 can be prevented from interfering with each other. it can. As a result, the entire length of the rail 5 can be extended as shown by L in FIG. 3 without being affected by the tail lamp unit 16 projecting toward the front side of the vehicle body. Therefore, the rail effective length can be extended, and the displacement amount of the slider 11, that is, the displacement amount of the door 3 toward the rear of the vehicle body can be increased accordingly, so that the entrance 2 can be widened even in a small vehicle.
[0030]
Further, since the end face in the axial direction of the pulley 13 is along the outer surface of the vehicle body (outer panel 1a), the protrusion of the pulley 13 to the outside of the vehicle body is small, and the vehicle width by disposing the pulley 13 outside the vehicle body. There is no problem with orientation layout.
[0031]
Further, according to the illustrated example, the rear pulley device 7 is realized by a simple combination of the pulley 13 and the cable holder 12, and the assembly to the vehicle body with respect to the rail 5 is a pulley shaft supporting rivet pin. This is done by caulking 14. Therefore, as shown in the conventional example, when the pulley is arranged off the rail, a separate pulley mount for supporting the pulley is attached to the vehicle body, and such a separate pulley mount is provided. On the other hand, the cable holder 12 can be formed lightweight and inexpensively. Further, the rail 5 and the rear pulley device 7 are covered with a vehicle exterior decorative plate (not shown) so as not to affect the operation of the slider 11 after being assembled to the vehicle body.
[0032]
In the illustrated example, the vehicle automatic door opening / closing device has been described. However, the opening / closing body is not limited to a door, but has a structure in which the opening / closing body is driven to open / close via a cable guided by a pulley. For example, a sunroof may be used.
[0033]
【The invention's effect】
As described above, according to the present invention, since the pulley is disposed outside the vehicle body, for example, even when a member that protrudes inward of the vehicle body is disposed at the corner portion of the vehicle body, the influence of the member is affected. The cable reversal position can be brought close to the corner of the vehicle body without being subjected to the noise. For example, when used as a pulley for reversing the opening side cable in a door opening / closing device, the sliding amount in the opening direction can be increased. The entrance / exit can be widened.
[0034]
In particular, by providing a rail that guides a slide coupled to one end of the cable and attaching a pulley to the end of the rail, use of a separate member such as a pulley mount for attaching the pulley to the vehicle body is omitted. The structure for attaching the pulley to the vehicle body can be simplified. In addition, by providing the pulley so that it can rotate about an axis substantially perpendicular to the outer surface of the vehicle body, the end surface in the axial direction of the pulley can be along the outer surface of the vehicle body, and the pulley can be arranged outside the vehicle body. The protrusion of the installed pulley to the outside of the vehicle body can be reduced, and there is no problem in design and function. Also, the cable holder has a cable holder that guides the outside of the cable wound around the cable in the radial direction, and the pulley is assembled to the cable holder by providing a notch for routing one end of the cable in the pulley. Even in such a state, the cable can be easily assembled into the pulley by rotating the pulley while accommodating and engaging one end of the cable in the notch.
[Brief description of the drawings]
FIG. 1 is a schematic side view of a vehicle to which the present invention is applied.
FIG. 2 is an overall perspective view showing an outline of an automatic door opening and closing device for a vehicle according to the present invention.
FIG. 3 is an enlarged plan view of a main part viewed from the line III of FIG. 1;
FIG. 4 is an exploded perspective view of a main part of an automatic door opening and closing device for a vehicle according to the present invention. FIG. 5 is an overall plan view schematically showing a conventional automatic door opening and closing device for a vehicle.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Car body, 1a Outer panel, 1b Cable extraction hole 2 Entrance / exit 3 Door 4 Actuator 5 Rail, 5a Wall part, 5b Upper groove part, 5c Step part 5d Rivet hole, 5e Cable extraction hole 6 Front pulley apparatus 7 Rear pulley apparatus 8 Close side cable 9 Open side cable 9a Engagement pin, 9b Cable outer, 9c Outer cap 10 Link bracket 11 Slider 12 Cable holder, 12a Engagement recess, 12b Semicircular guide wall 13 Rear pulley, 13a Notch 14 Rivet pin 15 Grommet 16 Tail lamp unit

Claims (4)

An opening / closing device for a vehicle opening / closing body in which an opening / closing body slidably supported so as to be able to open / close the opening of the vehicle is displaceable by an actuator,
A cable for connecting the opening and closing body and the actuator;
A slider connected to one end of the cable and connected to the opening and closing body;
A rail for guiding the slider in the sliding direction;
A pulley for directing the cable to the actuator on one slide end side of the opening and closing body;
The rail is bent in an inverted U shape on the upper side of the wall portion and a wall portion that is superimposed on a bottom surface that is a substantially vertical surface of the vehicle body of an outwardly recessed portion formed on the outer panel of the vehicle body. And a step portion bent in an inverted L shape on the lower side of the wall portion ,
The pulley is received in a cable holder having an outer shape that can be accommodated in a space portion from which the inverted U-shaped portion that forms the groove portion of the rail is removed, and on the outer side of the rail with respect to the outer surface of the vehicle body. An opening / closing device for a vehicle opening / closing body, which is pivotally supported by a pin fixed to the wall portion so as to be rotatable about a substantially vertical axis. Before SL pulley, a closure for a vehicle of the switchgear according to claim 1, notched portion for arranging the one end of the cable, characterized in that it is provided during assembly.     The opening / closing device for a vehicle opening / closing body according to claim 2, wherein the cable holder is clamped and fixed between the wall portion and the pin. The actuator is provided on the vehicle body side of the vehicle body;
The opening / closing device for a vehicle opening / closing body according to any one of claims 1 to 3, wherein the wall portion is provided with a cable drawing hole for drawing out the cable.

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