JPH10102863A - Motor-driven door-closing device for automobile door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform a sure guidance and constraint of a vertical relation between a latch and a striker through simple structure by a method wherein a guide constraint member protruding from the side edge part of a car body opening part is arranged at a striker mechanism part. SOLUTION: A latch mechanism 3 is mounted on a slide door 1 of an automobile and a striker mechanism part 4 is attached to the side edge of the opening part of a car body 2. A guide constraint member 22 protruding from the side edge part of the opening part of a car body 2 and regulating a position with a latch mechanism part 3 in a direction crossing the advancing direction of the door 1 is then arranged at the striker mechanism part 4. The tip part of the guide constraint member 22 is formed in the shape of a tapering-off wedge and when the slide door 1 advances the striker advancing groove of the latch mechanism part 3, the advance is slidably guided and a vertical relation is established, and the door is brought into a full latch state.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor-operated door closing device for an automobile door.

[0002]

2. Description of the Related Art In order to enhance the sealing effect of a sealing member such as a weather strip provided in a gap between an automobile door and a vehicle body, a striker on the vehicle body that engages with a latch on the door side is slid by an electric motor in the door opening and closing direction. An electric door closing device for closing the door is disclosed in,
No. 3666, which is well-known.

[0003]

In the conventional devices including the above-mentioned known device, particularly in the case of a sliding door, it is necessary to secure a gap for sliding the striker, and therefore, the holding of the door is not possible. This became a certainty, causing the door to rattle.

[0004] If such rattling occurs, the vertical relationship between the striker at the vehicle body opening and the latch of the slide door is disturbed, and the latch may not mesh properly and the door may not be closed.

SUMMARY OF THE INVENTION An object of the present invention is to provide a simple and reliable structure for guiding and restraining the vertical relationship between a latch and a striker in view of the above-mentioned conventional disadvantages.

[0006]

According to the present invention, the above-mentioned problem is solved as follows. (1) An electric door closing device for an automobile door having a latch mechanism mounted on an automobile door and a striker mechanism mounted on a side edge of a vehicle body opening, wherein the striker mechanism includes the vehicle body. A guide restraining member is provided which protrudes from a side edge of the opening and regulates a positional relationship between the latch mechanism mounted on the door and a direction intersecting with the door entry direction.

(2) In the above item (1), the guide restraining member protrudes from near the inner end of the side edge of the vehicle body opening, and bends in the direction of the striker.

(3) In the above item (1) or (2), the leading end of the guide restraining member has a wedge-shaped slope that can contact the side surface of the striker entrance groove formed in the latch mechanism.

(4) In the above item (3), the portion following the leading end of the guide restraining member is a widened portion which can enter the striker entry groove formed in the latch mechanism with a margin.

(5) In the above item (4), one side of the striker entrance groove formed in the latch mechanism is urged by an elastic body to slidably press the widened portion of the guide restraining member from one side. A slider for restraining the vertical relationship is provided.

[0011]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an embodiment in which the present invention is applied to an electric door-closing device of an automobile having a sliding door. FIG. 1 shows a sliding door (1) and a vehicle body (2). FIG. 2 is a view showing the electric door closing device cut in a horizontal direction, and an upper right side of FIG.

In the state shown in FIG. 1, the door lock is in a full latch state. The sliding door (1) is slightly opened with respect to the vehicle body (2).

FIG. 10 is a horizontal sectional view similar to the above, except that the electric door is closed from the fully latched state and the sliding door is opened.
(1) shows a fully closed state where the vehicle is completely drawn to the vehicle body (2). The sliding door (1) is moved from the fully closed state in FIG.
After moving outward and rearward through the state of FIG. 1, the vehicle moves rearward in parallel along the side surface of the vehicle body (2) to open the opening of the vehicle body (2), and moves in the opposite direction. , And returns to the fully closed state in FIG. A latch mechanism (3) is attached to the slide door (1), and a striker mechanism (4) is attached to the vehicle body (2).

At the rear edge of the opening of the vehicle body (2), the vehicle body (2)
A pillar (5) for connecting the outer panel (2a) and the inner panel (2b) of the vehicle body (2) at an obtuse angle with respect to the outer surface of the body (2) is provided. A mounting piece (13a) connected to the front end of the base member (13) supporting the striker mechanism (4) is fixed with bolts (31) (FIG. 6), and the striker mechanism (4) is connected to the outer panel ( It is housed between 2a) and the inner panel (2b).

A vertically extending shaft (6) is mounted on a front portion of the base member (13) as a part of a latch mechanism (3), and the striker (7) is mounted on the shaft (6). ) Is pivotally supported with its tip protruding from the pillar (5).

The striker (7) has, at its protruding tip,
It has a substantially rectangular opening (7a), in which the latch (8) of the latch mechanism (3) provided in the slide door (1) can be swung from the lateral direction and engaged.

The outer shape of the abutting portion (7b) (7c) of the striker (7) with the latch (8) has an arcuate curved surface shape whose central portion protrudes from the abutting surface of the latch. Irrespective of the rotational position of the striker (7),
(7a) and (7c) are always in contact with substantially the center of the plate thickness of the latch (8) so that a vertical component force is not generated in the latch (8).

FIG. 2 shows the latch (8) in a full latch state.
As is clear from FIG. 2, in a plane orthogonal to the striker (7), the striker (7) has a shape that is opened in a substantially V-shape, and its base is pivotally supported by a support shaft (9), and the spring is not shown in FIG. It is always biased clockwise. The latch (8) swings with the operation of closing the slide door (1), and its right arm (8a) protrudes into the opening (7a) of the striker (7).

FIG. 2 shows that the right arm (8a) has an opening.
(7a), it is in a full latch state, and the tip of the pole member (10) springs into the step (8b) formed at the outer end of the arm (8a).
The state in which it is urged and engaged by (11) is shown. A state where the left arm (8c) is engaged with the pole member (10) without reaching this state is a half-latch state.

The striker mechanism (4) will be further described. The shaft (6) pivotally supporting the striker (7) is shown in FIGS.
As shown in FIG. 5, two side plates (1) of the striker mechanism (4) are interposed on both sides with washers (12) having elastic portions (12a).
3) It is arranged between. With the interposition of the washer (12) having the elastic portion (12a), the striker (7) is allowed to move during the latch engagement.

The pin (14) implanted at the inner end of the striker (7) extending inward from the shaft (6) is loosely fitted in the long hole (16) of the link (15). The other end of the link (15) is widened and supported by an eccentric shaft (17) as shown in FIGS.

As shown in FIGS. 1 and 4, the striker mechanism (4) is provided with an electric motor (18) so as to be accommodated in a vehicle body (2) in an appropriate posture. Electric motor (18)
Is connected to a speed reducer (19). The above-described eccentric shaft (17) is formed on the output shaft of the reduction gear (19).

As shown in FIG. 8, a spring (21) is wound around the extension of the shaft (6) for pivotally supporting the striker (7), and one end of the spring (21) is connected to the base member (13). ) Is hooked on the pin (14) at the inner end of the striker (7), and the striker (7) in FIG. It is biased counterclockwise about the axis (6).

As shown in FIGS. 1 and 6, the guide restraining member (22) projecting from the inner end of the pillar (5) of the vehicle body (2) and bending in the direction of the striker (7) is attached to the vehicle body (2). ) Is fastened together with the striker mechanism (4).

As shown in FIGS. 2 and 3, the guide restraint member
The tip (22b) of (22) has a tapered wedge shape,
When the sliding door (1) enters the striker entry groove (33) of the latch mechanism (3), if the vertical relationship between the sliding door (1) and the vehicle body (2) is slightly deviated, the tip ( The slope of any of the wedges in 22b) abuts against the side surface of the striker entry groove (33), and guides the entry slidably, so that it can be brought into a regular up-down relationship and brought into the fully latched state.

The widened portion (22a) of the guide restraining member (22) is accommodated in the striker entrance groove (33) with a slight allowance in the fully latched state. As shown in FIGS. 2 and 3, the guide restraint member (22) is provided with a slider (23) biased by an elastic body (23) from one side (the lower side in FIG. 3) of the striker entrance groove (33). It is pushed by 24) and the position is restricted.

As shown in FIGS. 1, 4 and 10, a switch lever (25) projecting from the pillar (5) is pivotally supported on the shaft (26) inwardly of the striker (7). . A contact piece (27) that can contact the end (1a) of the slide door (1) is attached to the tip of the switch lever (25) so as to be adjustable by an eccentric shaft (28).

The other end of the switch lever (25) is integrally fixed to another switch lever (29) (FIG. 4), and the other end of the switch lever (29) is connected to the switch (30). It is in the contact position. When the slide door (1) is pushed and slightly enters from the full latch position, the switch (30)
(1a) comes into contact with the contact piece (27) and is operated by the switch levers (25) and (29).

As shown in FIGS. 5 and 6, the front part of the striker mechanism (4) is connected to a pillar (5) of a vehicle body (2) by a bolt (31).
Attached by On both sides of the guide member (22) protruding from the pillar (5), a thick bumper rubber (32) is formed, which is a guide member (22) and a slide door (1).
And it works between them.

Next, the operation of the electric door closing device will be described. When the slide door (1) is moved to the opening of the vehicle body (2) in the direction indicated by the outline arrow in FIG. 1, the latch (8) of the latch mechanism (3) of the slide door (1) is moved to the vehicle body ( The striker (7) of the striker mechanism (4) of (2) hits the opening (7a) of the striker (7), and the arm (8a) of the latch (8) pivots from the side and protrudes. The full latch position shown in FIG. 2 is reached.

At this time, even if there is slight vertical play between the slide door (1) and the vehicle body (2), the guide restraint member (22) on the vehicle body side and the striker entrance groove ( By engagement with 33), it is guided and restrained in a normal vertical relationship. In the full latch position, the sliding door (1)
A gap corresponding to the distance d (FIG. 1) is left with respect to (2).

Also, at the same time when the slide door (1) is settled to the full latch position, the end (1a) of the slide door (1) hits the contact piece (27), and the switch (30) is operated via the switch lever (25) (29). Then, the electric motor (18) starts. By the rotation of the electric motor (18), the eccentric shaft (17) is moved 180 degrees through the reduction gear (19).
(See FIG. 1).

By the rotation of the eccentric shaft (17), the link (15) is pulled, and the striker is moved through the pin (14).
The inner end of (7) is moved. Therefore, striker
(7) rotates around the shaft (6), and its outer end, that is, the opening (7a) moves to the inner position shown by the imaginary line in FIG. As a result, the latch (8) is slid and moved together with the sliding door, and is brought into the closed state (FIG. 10).

In the illustrated embodiment, the present invention is applied to an electric door-closing device for a sliding door. However, when the present invention is applied to an electric door-closing device for a back door, for example, The guide member (22) or the like serving as a restraining member regulates the positional relationship in the left-right direction of the door and the latch mechanism mounted on the door. That is, the guide restraint member regulates the positional relationship of the latch mechanism in the direction intersecting with the door entry direction.

[0035]

According to the present invention, the vertical relationship between the latch and the striker can be guided and restrained with a simple structure and a simple and reliable structure.

According to the second aspect of the present invention, when the guide restraining member projects from the vicinity of the inner end of the side edge of the vehicle body opening and bends in the direction of the striker, it protrudes from the side edge of the vehicle body opening. This striker can be protected by the guide restraint member.

According to a third aspect of the present invention, when the distal end of the guide restraining member has a wedge-shaped slope that can contact the side surface of the striker entrance groove formed in the latch mechanism, the slide door is mounted on the vehicle body. In spite of slight vertical play, the guide restraining member is guided by the engagement between the wedge-shaped tip and the striker entrance groove, and is brought to the normal vertical position.

According to the fourth aspect of the present invention, if the portion following the leading end of the guide restraining member is a widened portion which can enter the striker entering groove formed in the latch mechanism with a margin, the guide restraining member can smoothly enter. Can be performed.

According to the fifth aspect of the present invention, the one side of the striker entry groove formed in the latch mechanism is urged by an elastic body to slidably press the widened portion of the guide restraining member from one side. If a slider that restrains the vertical relationship is provided, the vertical relationship between the slide door and the vehicle body opening,
In particular, the vertical relationship between the latch and the striker can be properly regulated.

[Brief description of the drawings]

FIG. 1 is a cross-sectional plan view of an embodiment of a door closing device of the present invention in a fully latched state, with a slide door and a vehicle body partially cut away.

FIG. 2 is a longitudinal sectional view taken along the line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a plan view of a striker mechanism.

5 is a view of the striker mechanism and the guide when the slide door is opened, as viewed from the line VV in FIG. 1;

FIG. 6 is a cross-sectional plan view taken along the line VI-VI of FIG.

FIG. 7 is a view as seen from the line VIII-VIII in FIG. 4;

FIG. 8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is a sectional view taken along line IX-IX in FIG. 4;

FIG. 10 is a plan view similar to FIG. 1 in a door closed state.

[Explanation of symbols]

 (1) Sliding door (1a) End (2) Body (2a) Outer panel (2b) Inner panel (3) Latch mechanism (4) Striker mechanism (5) Pillar (6) Shaft (7) Striker (7a ) Square opening (7b) (7c) Abutment (8) Latch (8a) Right arm (8b) Step (8c) Left arm (9) Support shaft (10) Pole member (11) Spring (12) Washer (12a) Elastic part (13) Base member (13a) Mounting piece (13b) Protrusion piece (14) Pin (15) Link (16) Slot (17) Eccentric shaft (18) Motor (19) Transmission (21) Spring (22) Guide member (22a) Widened portion (22b) Tip (23) Elastic body (24) Slider (25) Switch lever (26) Shaft (27) Contact piece (28) Eccentric shaft (29) Switch lever (30) Switch (31) Bolt (32) Bumbar rubber (33) Strike entry groove

Claims (5)

[Claims] An electric door closing apparatus for an automobile door, comprising: a latch mechanism mounted on a door of an automobile; and a striker mechanism mounted on a side edge of an opening of a vehicle body. A vehicle door provided with a guide restraining member that protrudes from a side edge of the vehicle body opening and that regulates a positional relationship in a direction intersecting a door entry direction with a latch mechanism mounted on the door. Electric door closing device. 2. The electric door closing device for an automobile door according to claim 1, wherein the guide restraining member protrudes from near the inner end of the side edge of the vehicle body opening and bends in the direction of the striker. . 3. The guide restraining member according to claim 1, wherein a tip portion of the guide restraining member has a wedge-shaped slope which can contact a side surface of a striker entry groove formed in the latch mechanism.
Or an electric door-closing device for an automobile door according to 2. 4. A motorized door for an automobile according to claim 3, wherein the portion following the leading end of the guide restraining member is a widened portion which can enter into a striker entry groove formed in the latch mechanism with a margin. Door closing device. 5. A slider which is urged by an elastic body and slidably presses a widened portion of a guide restraining member from one side to restrain a vertical relationship is disposed on one side of a striker entry groove formed in a latch mechanism. The motor-operated door closing device for a vehicle door according to claim 4, wherein the door closing device is provided.