JP4114851B2 - Full open lock device for sliding door - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a fully open lock device for a slide door that holds a slide door of an automobile in a fully open position.
[0002]
[Prior art]
The slide door of an automobile is provided with a fully open lock device that holds the slide door in a fully open position so that the fully open slide door does not close when the vehicle is stopped on a slope, for example.
Examples of such a locking device include those described in Japanese Utility Model Publication No. 58-30925. According to this publication, a locking hole is formed in a guide rail provided in a vehicle body, a bracket provided with a guide roller that runs on the guide rail is attached to the slide door, and the bracket is engaged with the locking hole. A detachable lock lever is attached, and the lock lever is engaged with the lock hole to hold the slide door in the fully open position, and when the slide door is closed, the lock lever is operated by operating the door handle. By moving it through an operating force transmission member such as a rod or Bowden cable, it is detached from the locking hole.
[0003]
[Problems to be solved by the invention]
In such a conventional full-open lock device, when the sliding mechanism is closed, if the interlocking mechanism (various levers, operation force transmission member, etc.) from the door handle to the full-open lock device fails, the lock may not be released. . For example, rainwater coming from the door handle may enter between the tube, which is the outer sheath of the Bowden cable, and the internal working cable, freeze, and dust and dirt may clog the cable. There is.
[0004]
In view of the above-described problems, an object of the present invention is to provide a slide door full-open lock device having an emergency release function that can release the full-open lock of the slide door without relying on an operation from the door handle.
[0005]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) A locking means that can be engaged with and disengaged from a fully open striker provided on the vehicle body side is disposed on a bracket that supports the sliding door so as to be openable and closable along a guide rail provided on the vehicle body. In the fully open lock device for a slide door connected to a door handle provided on the slide door via an operating force transmission member, the lock means is fixed to the upper surface of the bracket by a bolt and has a box-shaped casing opened on the lower side. And a latch that is pivotally attached to the inner surface of the casing that faces the upper surface of the bracket and that is detachable from the full-open striker, and is pivotally attached to the inner surface of the casing that faces the upper surface of the bracket, and It is connected to the door handle via the operating force transmission member and engages with the latch to restrain the rotation of the latch. Includes a king member, integrally provided on the locking member, and the emergency release lever the sliding door projects from the casing so as to be operated from between the vehicle body and the sliding door when in the open position By operating the emergency release lever, the locking member is operated to release the engagement between the lock means and the full-open striker .
[0007]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of an automobile showing a state in which a slide door is opened with a rear door as a slide door, and FIG. 2 is an enlarged perspective view showing the vicinity of the lower portion of the slide door when the slide door is fully opened. .
[0008]
The sliding door (1) is provided with guide rails (3), (4), (4) (5) by upper, middle, and lower guide rails (3), (4), (5) provided on the vehicle body (2). It is supported so that it can be opened and closed in the front-rear direction along 5).
[0009]
A bracket (6) facing the lower guide rail (5) having a substantially U-shaped cross section is fixed to the lower front portion of the inner panel (1a) of the sliding door (1). Three guide rollers (7) shown in FIG. 3 that can move in the longitudinal direction in the guide rail (5) are pivotally mounted.
[0010]
The bracket (6) is provided at a position where the hand can be touched from the gap between the slide door (1) and the vehicle body (2) with the slide door (1) opened.
[0011]
A full-open lock device (8) is mounted on the upper surface side of the bracket (6), and this full-open lock device (8) is a door provided on the outer panel (1b) on the outside of the sliding door (1). The handle (9) and a handle (not shown) provided on the inner side of the sliding door (1) are connected via a Bowden cable (10) that constitutes an operating force transmission member.
[0012]
FIG. 3 is an enlarged cross-sectional view of the upper portion of the bracket (6), and shows a guide rail (5), a locking device (8), and a slide door (1) to which the bracket (6) is attached by bolts (11). The front part of the guide rail (5) is in a state in which the upper part is cut and the guide roller (7) is visible, and the rear part is in a state in which a fully open striker (12) is attached to the upper part. ing. The full-open striker (12) protrudes outward from the upper part of the guide rail (5), and is bent at a right angle and extends downward.
[0013]
The fully open lock device (8) is opposed to the inside of the box-shaped casing (14), which is fixed to the upper surface of the bracket (6) with three bolts (13), that is, the upper surface of the bracket (6). A latch (15) having a fully open striker (12) which forms a locking means and a detachable recess (15a) on the lower surface side of the casing (14) and rotatably supported by a pivot (16). A locking member (17) having a claw portion (17a) that can be engaged and disengaged with the engaging step portion (15b) of the latch (15) and rotatably supported by the pivot (18), and a locking member ( A release lever (19) having an actuating arm portion (19a) capable of abutting on an arm (17b) protruding from 17) and rotatably supported by a pivot (20).
[0014]
An arm (19b) provided on the release lever (19) is rotatably connected to one end of the Bowden cable (10) by a pin (21). The Bowden cable (10) has a tube (10a) serving as an outer sheath and a cable (10b) that is slidably inserted into the tube (10a). One end of the tube (10a) is provided with a fully open lock device (8). The other end of the cable (10b) is fixed in the vicinity of the door handle (9), one end of the cable (10b) is the release lever (19), and the other end is the door handle (9). Are connected to each other.
[0015]
As is apparent mainly from FIG. 3, an emergency release lever (22) extended in a direction away from the pivot (18) from the claw (17a) is formed at the end of the locking member (17). The emergency release lever (22) protrudes outward from the casing (14), and the tip of the emergency release lever (22) is bent upward at a right angle, as is apparent from FIG.
In addition, an interval portion in which the arm (17b) of the locking member (17) moves freely is formed between the operating arm portion (19a) of the release lever (19) and the arm (19b) opposed thereto.
[0016]
As shown in FIG. 5, the latch (15) is urged clockwise in the drawing by a spring (23) wound around its pivot (16). The locking member (17) is urged counterclockwise by a spring (24) wound around the pivot (18). The release lever (19) is urged clockwise by a spring (25) wound around its pivot (20).
[0017]
The operation of the fully open lock device having the above-described configuration will be described as follows.
In a state before the sliding door (1) reaches the fully open position, as shown in FIGS. 3 and 5, the latch (15) is in a state where the fully open striker (12) can be received in the recess (15a).
[0018]
When the sliding door (1) is guided by the guide rails (3), (4) and (5) and moves in the direction indicated by the arrow (rearward), the fully open striker (12) is moved into the recess (15a) of the latch (15). The latch (15) rotates counterclockwise against the urging force of the spring (23), and reaches the position shown by the solid line in FIG. Further, the locking member (17) is rotated counterclockwise by the spring (24) and moved to a position indicated by a solid line in FIG. The arm (17b) of the locking member (17) moves to a position where it abuts on the operating arm (19a) of the release lever (19).
[0019]
In this state, the latch (15) engages with the full-open striker (12) and is restrained to be unrotatable by the locking member (17), so that the slide door (1) is held in the fully-open position. .
[0020]
From this state, if the door handle (9) is operated to start closing the sliding door (1), this force is transmitted to the release lever (19) via the cable (10b) of the Bowden cable (10). Then, the release lever (19) is rotated counterclockwise against the spring (25).
[0021]
The operating arm (19a) of the release lever (19) contacts the arm (17b) of the locking member (17), and the locking member (17) rotates counterclockwise against the spring (24). And move it to the position indicated by the imaginary line in FIG. As a result, the claw portion (17a) of the locking member (17) is detached from the engagement step portion (15b) of the latch (15), and the latch (15) is returned to the original position by the spring (23). Detach from the fully open striker (12).
[0022]
Foreign matter such as dust or earth or sand may enter between the tube (10a) of the Bowden cable (10) and the cable (10b), or water may freeze and enter from the door handle (9) side. When the operating force cannot be transmitted to the lock means, the hand from the front is inserted into the lower gap between the vehicle body (2) and the sliding door (1) in the fully open position shown in FIGS. Then, the emergency release lever (22) protruding outward from the casing (14) is operated to rotate the locking member (17) clockwise in FIG.
[0023]
The locking member (17) is a timepiece whose arm (17b) moves within the gap between the operating arm portion (19a) of the release lever (19) and the side surface of the arm (19b) opposite to the arm (17b). The claw portion (17a) of the locking member (17) is disengaged from the engaging step portion (15b) of the latch (15), and the latch (15) is ) To return to the original position and leave the striker (12) for full opening.
[0024]
【The invention's effect】
According to the first aspect of the present invention, even when a failure occurs in the operation force transmission member and the release operation from the door handle is impossible, the emergency release lever is directly operated by inserting a hand between the vehicle body and the slide door. By doing so, the fully open lock of the sliding door can be released. Furthermore, by extending a part of the locking member pivotally attached to the inside of the casing so as to protrude from the casing and using the protruding part as an emergency release lever, the number of parts can be reduced, and the casing can be reduced. This prevents foreign matter such as dust and earth and sand from adhering to the locking member, and a reliable operation can be obtained.
[Brief description of the drawings]
FIG. 1 is a perspective view of an automobile in a state in which a sliding door is opened showing an embodiment of the present invention.
FIG. 2 is a perspective view of the vicinity of the lower portion of the fully open slat door.
3 is an enlarged cross-sectional view taken along line III-III in FIG.
FIG. 4 is a perspective view showing the external appearance of the fully open lock device.
FIG. 5 is a plan view in which a part of the casing of the locking device is similarly cut.
FIG. 6 is a plan view for similarly explaining the operation of the locking means.
[Explanation of symbols]
(1) Sliding door
(1a) Inner panel
(1b) Outer panel
(2) Body
(3) (4) (5) Guide rail
(6) Bracket
(7) Guide roller
(8) Fully open lock device
(9) Door handle
(10) Bowden cable (operation force transmission member)
(10a) Tube
(10b) Cable
(11) Bolt
(12) Fully open striker
(13) Bolt
(14) Casing
(15) Latch (locking means)
(15a) Recess
(15b) Engagement step
(16) Axis
(17) Locking member (locking means)
(17a) Claw
(17b) Arm
(18) Axis
(19) Release lever (locking means)
(19a) Actuating arm
(19b) Arm
(20) Axis
(21) Pin
(22) Emergency release lever
(23) (24) (25) Spring

Claims (1)

Along the guide rails provided on the vehicle body, the bracket for openably supporting the slide door, and disposed fully open striker and disengageable locking means provided on the vehicle body side, the locking means, the slide door In the fully open lock device of the slide door connected to the door handle provided in the through the operating force transmission member,
The locking means is fixed to the upper surface of the bracket with a bolt and has a box-like casing that is open on the lower side, and is pivotally attached to the inner surface of the casing facing the upper surface of the bracket, and is engaged with and disengaged from the full-open striker. A latch capable of being pivotally attached to the inner surface of the casing opposite to the upper surface of the bracket, coupled to the door handle via the operating force transmission member, and engaging the latch to a locking member for restraining the rotation, provided integrally with the locking member, and urgent that the sliding door projects from the vehicle body and the casing so as to be operated from between the sliding door when in the open position Including a release lever ,
A sliding door full-open lock device, wherein the emergency release lever is operated to operate the locking member to release the engagement between the lock means and the full-open striker .

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