JPS59170382A - Full-open position holding apparatus of slide door for vehicle - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fully open position holding device for a sliding door for a vehicle, which prevents the sliding door from closing under its own weight when the sliding door is opened.

For example, if a car with a sliding door is parked on a slope, etc., and the sliding door is opened,
The sliding door may close due to its own weight, causing unexpected injuries or accidents.

In order to prevent such a fear, there is a fully open position holding device for a sliding door that has been conventionally used.

However, when it is desired to close the sliding door from the fully open state, it is necessary to release this fully open position holding device.

Therefore, for example, in an automatic sliding door opening/closing device for a vehicle that allows the sliding door to be opened and closed automatically by operating an operation switch installed in the driver's seat, etc., it is necessary to Therefore, it becomes necessary to automatically release such a fully open position holding device.

The present invention takes into account the application to such an automatic opening/closing device for a sliding door for a vehicle, and provides a sliding door for a vehicle that has a simple structure and can automatically release the sliding door from being held in the fully open position. The object is to provide a fully open position holding device.

In order to achieve this object, the present invention has an automatic opening/closing mechanism that automatically opens and closes the sliding door using an opening/closing operation switch, and when the sliding door is fully opened, the retaining piece provided on the vehicle body side and the slide The retaining pieces provided on the door side engage with each other to hold the sliding door in the fully open position, and are driven in conjunction with the sliding door close operation switch prior to the sliding door closing operation. The driving means drives either one of the pair of engagement pieces,
By moving the engagement piece in a direction away from the other engagement piece, it is possible to release the engagement between the engagement pieces provided on the vehicle body side and the sliding door side.

The present invention will be described below based on embodiments shown in the accompanying drawings.

1 to 6 show a first embodiment in which the device of the present invention is incorporated into a part of an automatic opening/closing lid of a sliding door for a vehicle.

(1) is a car body, and (2) is a sliding door.

A channel-shaped lower rail (3) whose front end curves slightly inward of the vehicle body (1) in the longitudinal direction is fixed to the lower side of the vehicle body (1). A lower roller device (4) attached to the lower inner surface of the door (2) is slidably fitted.

A channel-shaped waist rail (5) extending in the front-rear direction is fixed to the waist at the rear side of the vehicle body (1), and a sliding door (2) is installed in this waist rail (5).
) is attached to the middle part of the rear end of the waist roller device (6
) are slidably fitted.

Although not shown, an upper rail is fixed to the upper side of the vehicle body (1) so as to form a pair of upper and lower rails with the lower rail (3). An upper roller device (path shown) attached to the upper part of the inner surface is slidably fitted.

Therefore, the sliding door (2) has a lower roller device (4).
), the waist roller device (6) and the upper roller device are the lower rail (3) and the waist rail (5), respectively.
and sliding along the upper rail, the first
From the closed position shown by the imaginary line in the figure, the door extends slightly outward from the vehicle body (1) and moves parallel to the rear as it is, to the fully open position shown by the imaginary line in Fig. It is designed to be able to be closed.

As shown in FIG. 2, the lower roller device (4) includes a bracket (7) fixed to the inner surface of the sliding door (2),
A rocking piece (9) pivotally attached to the tip of this bracket (which protrudes toward the inside of the vehicle) with a vertical shaft (8)
A system consisting of a vertical roller 0υ pivotally supported on the swinging piece (9) with a horizontal axis α0, and a pair of front and rear horizontal rollers pivotally supported on the swinging piece (9) with a vertical shaft (12). , the vertical roller (II) rolls along the upper surface of the lower piece (6a) of the lower rail (3), and the horizontal roller OJ rolls along the inner surface of the side piece (6b) of the lower rail (6). Thus, the lower roller device (4) can smoothly slide along the lower rail (3).

At the front and rear ends of the swinging piece (9) fitted in the lower rail (3), flexible cables Q4 made of, for example, hard steel wire are arranged in the lower rail (6). Each end of Q51 is fastened.

As shown in Fig. 1, the cable (+41) protruding from the front end of the lower rail (3) is connected to a flexible cable conduit aη that is fixed to the underside of the floor of the vehicle body (1) with an appropriate stopper αe. It is guided and wound along a spiral guide groove (18a) formed on the outer periphery of the rotating drum 08, and its tip is fixed to the rotating drum holder.

In addition, the cable α9 protruding from the rear end of the lower rail (3) is fixed to the lower surface of the floor of the vehicle body (moon) with an appropriate stopper (16) and is guided to a flexible cable conduit 09, (1)
After curving into a U-shape at the rear of the lower rail (3)
, and is finally wound in the opposite direction to the winding direction of the cable αa along the spiral guide groove (18b) formed on the outer periphery of the rotating drum α barrel, and its tip is fixed to the rotating drum α mark.

As shown in Figs. 1 and 3, the rotary drum a mallet is attached to the downward output shaft CD of the reduction gear plate with an electromagnetic clutch attached to the lower surface of the floor of the vehicle body (1), and is fitted with an appropriate rotation stopper. They are fitted through metal fittings so that they cannot rotate relative to each other.

(C) The speed reducer (1
) is a drum cover attached to the bottom of the drum.

The speed reducer (2) may be of a known type, but in this embodiment, it has the same structure as that disclosed in Japanese Patent Application No. 169717/1983 filed by the present applicant. In other words, the worm (
(not shown) and a worm wheel (not shown) meshing with the worm wheel (not shown), and the worm wheel and the output shaft (21
) is provided with an electromagnetic clutch (not shown).

It should be noted that the present invention is not directly related to the structure of this reduction gear wing itself, so a detailed explanation thereof will be omitted.

The input shaft (24) of the decelerator is connected to the rotating shaft (27a) of a motor (27a) that can rotate in forward and backward directions, which is fixed to the underside of the floor of the vehicle body (1) with an appropriate mounting member (29@). They are connected to each other with a connector for torque transmission that allows the core material (C) to freely rotate within the cable (2).

In this way, by rotating the rotating shaft (27a) of the motor (271) in a predetermined normal rotation direction while the electromagnetic clutch built in the reducer cover is activated, the rotation is made via the reducer cover. By rotating the drum Ql in the direction of the arrow in Fig. 6, winding the cable (15) onto the rotating drum α barrel, and unraveling the cable 0a, the cable t14)
The sliding door (2) can be opened by moving the Q51 in the forward direction of the arrows in FIGS. 1 and 6.

In addition, when the motor (2η) rotating shaft (27a) is rotated in the opposite direction to the above case while the electromagnetic clutch built in the reducer blade is activated, the cable 114 is operated in the opposite direction to the above case. ) (15) in the opposite direction and close the sliding door (
2) can be closed.

In addition, when the electromagnetic clutch in the reducer (A) is inactive, the connection between the motor (2) and the rotating drum α mark is cut off, and the sliding door (2) can be opened and closed manually. In this case, the cable α4) (151 and the rotating drum 0gJ only follow the manual operation of the sliding door (2), and the input shaft (24 side) of the reducer (a) does not follow, so the sliding Manual operation of the door (2) can be performed smoothly.

As shown in FIGS. 1 and 4, a door lock Gυ for locking the sliding door (2) in the closed position is provided at the rear end of the sliding door (2).

The door lock Gυ is operated by an electric actuator (located at the lower center of the sliding door (2) via an intermediate lever (331 and rod tilt) pivotally mounted at approximately the center of the sliding door (2). 351, and the operation of this actuator C (51) locks the door (31).
It is so that you can release the operation.

As shown in FIGS. 1, 5, and 6, a vertical shaft (371 A swinging piece (to) is pivotally mounted at the free end between the swinging pieces, and a pair of front and rear horizontal rollers c39 forming the waist roller device (6) are respectively pivoted at the vertical shaft (41). has been done.

By rolling these horizontal rollers C31 along the waist rail (5) K, the sliding door (2) can slide smoothly in the front-rear direction.

(4υ is the fully open position holding device for the sliding door (2),
It consists of an engaging piece (42) on the vehicle body (1) side, a retaining piece (4'3) on the sliding door (2) side, and an actuator (44) serving as a driving means provided on the vehicle body (1) side. There is.

The engagement piece (4) has a hook-shaped planar shape, and has an inclined surface (
42a), and a left-right through hole (42a) in the center.
51 is perforated. This retaining piece (42) is attached to the rear end of the waist rail (5) with an appropriate set screw (not shown).
It is fastened with.

The engagement piece (431) has a hook part (43a) facing toward the vehicle body (1) at the tip, and the middle part is attached to the vertical axis (
46) is pivotally attached to the forward swinging armrest, and the base end faces outward of the vehicle body (1) from the other pivot point.

(4η is a coiled spring wound around the shaft (461), one end of which is fixed to the shaft (4B) that is integrated between the swinging pieces, and the other end of which is fixed to the retaining piece (the hook portion of 43). 43a), and constantly biases the retaining piece (43) in the counterclockwise direction in FIG. The abutting portion (43b) formed on the negative side edge of the swinging piece (38a)
8a), but it is forced to rotate clockwise in FIG. 6 against the biasing force of the coiled spring (4η). It can then be moved to the release position shown by the imaginary line in FIG.

Therefore, when the sliding door (2) is opened to the fully open position, the hook portion (43a) of the retaining piece (431) engages with the engaging piece (431).
After slidingly contacting the inclined surface (42a) of 421 and rotating slightly toward the release position, the retaining piece (engages with the four hook-shaped portions,
This is to prevent the sliding door (2) from closing naturally due to its own weight or the like.

In this embodiment, the actuator (44) is of a solenoid type, and when the actuator (44) is not energized, the tip of the plunger (481) provided at the center of the actuator (44) is connected to the engaging piece (42).
The plunger (481) is located in the inoperative position shown by the solid line in Fig. 6, which is sunk inward of the plunger (481). (4
The hook part (43a) of the retaining piece (43) can be pushed toward the release position to release the engagement of both the engaging pieces (421 (431). That's how it is.

In addition, the outside handle (4) of the sliding door (2)
9 and the inside handle (as shown), the control mechanism (5■) provided at the appropriate position in the front of the door lock Gυ and the fully open position holding device is connected to the outside handle (49) using the rod 6υ62. Also, the control mechanism fjl (50) and the intermediate lever (;b) are appropriately connected to the inside handle;
33) via the rod (53) and the control mechanism (5
0) and the retaining piece (431) are connected to each other via the condo + 541. intermediate lever (55) and rod Ct61.

The control mechanism (50) is further connected to the knob side with a rod 67), and also has a key cylinder device (path shown).
The door lock C31j is connected to the outside handle (49) or the inside handle to enable or disable the door lock C31j by locking/unlocking the knob or the key (as shown).

The actuator 4351 (441), the motor (2), the electromagnetic clutch built into the reducer frame, etc. are operated at timings described later by an appropriate electric control circuit (not shown).

Next, the overall operation of the above embodiment will be explained.

To automatically open the sliding door (2) while the sliding door (2) is in the closed position (5), press the opening switch (path shown) provided on the driver's seat or the like.

Then, the actuator (351) operates and the rod G
4j downward, and remove the intermediate lever 03) and rod (3).
21, the door lock Gυ is released.

Next, the electromagnetic clutch built into the reducer frame is activated, and the rotating shaft (27a) of the motor (2η) rotates in the normal rotation direction.Then, the rotating drum α rotates in the direction of the arrow in FIG. Run the cable I (19) in the forward direction and open the sliding door (2) to the fully open position (Bl).

When the sliding door (2) opens to the fully open position (Bl), the fully open position holding device (both retaining pieces (42) (43) in 4D
engage with each other. Further, when the sliding door (2) reaches the fully open position (Bl) is detected by a suitable limit switch (path shown), etc., the operation of the motor 0η and the electromagnetic clutch in the reduction gear frame is stopped.

K automatically closes the sliding door (2) from this state.
Press the door closing switch (as shown) located on the driver's seat, etc.

Then, the actuator (44) is actuated, and the plunger (48) protrudes from the four through holes of the retaining piece (421), pushes the retaining piece (43) to the release position, and releases both the engaging pieces (421).
421 (release the engagement of 431).

Then, the electromagnetic clutch in the reducer frame is activated, and the rotating shaft (27a) of the motor (27) rotates in the opposite direction. Then, the rotary drum α mark rotates in the opposite direction to that in the above case, causing the cable α4) (151 to run in the opposite direction, and closing the sliding door (2) toward the closed position (A).

When the sliding door (2) is closed to the closed position (Al), the door lock c3+! engages with the striker (path shown) provided on the vehicle body (1) side and becomes locked. When the motor (2) reaches the closed door position, it is detected by an appropriate limit switch (indicated path), etc., and the motor (2) is
and the operation of the electromagnetic clutch in the speed reducer (a) is stopped.

If it is desired to manually open and close the sliding door (2), the same operations as in the past may be performed. That is, if you want to open the door, you can operate the outside handle (or the inside handle) to release the door lock (31), and then push the sliding door (2) toward the rear.

In addition, to close the sliding door (2) from the fully open position, operate the outside handle (49) or inside handle to pull the engagement piece (431) to the release position.
After releasing the engagement of both retaining pieces (421 (431), just push the sliding door (2) forward. At this time, as the sliding door (2) moves, the cable 14) (151 and rotating drum 08) are driven.

The device for holding the fully open position of a sliding door for a vehicle according to the first embodiment has the above-described structure, so the structure is simple and the number of parts is small. It is meaningful that it can be applied as

FIG. 7 shows a second embodiment of the invention.

In this second embodiment, the engagement piece 6ω is formed of a leaf spring, the base end of which is fixed to the vehicle body (1), and a sawtooth protrusion (59a) bent at the intermediate portion is attached to the vehicle body. (1) and the window hole 6o drilled in the waist rail (5)
The hook part (45a) of the engaging piece (43), which is the same as the engaging piece (43) in the first embodiment, can be engaged with the protruding part (59a). The free end of the connecting piece (59b), which is bent inward of the vehicle body (1) from the tip of the five-effect connector, is connected to the actuator (3) in the first embodiment, which is provided on the vehicle body (1) side. It is connected to the free end of the operating lever (61a) in a known electric actuator (6) similar to !il.

As shown by the solid line in FIG. 7, due to the restoring force of the leaf spring, the projection (59a) of the retaining piece 6g)
), the engaging piece (59) acts in the same manner as the retaining piece (421) of the first embodiment, and by actuating the actuator, the engaging piece (59) is engaged as shown in imaginary lines in FIG. , pull the tip of the engagement piece 69) toward the inside of the vehicle using the operating lever (61a), and move the protrusion (59a) into the window hole (6).
0) to release the engagement of both retaining pieces 51 (431).

Therefore, in this second embodiment as well, substantially the same functions and effects as in the first embodiment can be achieved.

As is clear from the above, in the present invention, either the engaging piece on the electric body side or the engaging piece on the sliding door side is automatically activated by the operation of the operation switch provided on the driver's seat etc. Since it has a driving means that can be pushed or pulled in the direction of separating from the other securing piece, it is possible to automatically release the securing of both securing pieces, and it is similar to when the driving means is provided inside the sliding door. In addition, the power supply device for the drive means is complicated, or depending on the position of the sliding door, it may be impossible to supply power to the drive means, or the power supply device is likely to have poor contact (incidentally, if the entire device is sliding relative to the vehicle body) It is relatively difficult to constantly supply power to the electric device inside the sliding door that is displaced, and the current situation is that power can only be supplied when the sliding door is in the fully open or fully closed position. There is no fear of this, no matter what position the sliding door is in.
There is an advantage that power can always be supplied to the driving means stably and with a simple configuration.

[Brief explanation of the drawing]

1 to 6 show a first embodiment of the present invention. FIG. 1 is a perspective view schematically showing an automatic opening/closing device for a sliding door for a vehicle equipped with the device of the present invention, and FIG. is an enlarged perspective view of the lower roller device, Fig. 3 is an exploded perspective view of the main parts of the drive mechanism, Fig. 4 is an enlarged perspective view of the automatic operation mechanism of the door lock, and Fig. 5 is an enlarged perspective view of the sliding door. FIG. 6 is an enlarged perspective view of the fully open position holding device; FIG. 6 is a cross-sectional plan view of the main parts when the device is fully open; FIG. 7 is a cross-sectional plan view of the same part as FIG. 6 in the second embodiment of the present invention. be.

Claims (1)

[Claims] It has an automatic opening/closing mechanism that automatically opens and closes the sliding door using the opening/closing operation switch, and when the sliding door is fully opened, the sliding door is fully opened by engaging the engaging pieces provided on the vehicle body side and the sliding door side. and a driving means for holding the sliding door at the same position and disengaging each of the engaging pieces on the vehicle body side and the sliding door side in conjunction with the closing operation switch of the sliding door, prior to the closing operation of the sliding door. A fully open position holding device for a sliding door for a vehicle, characterized by: