JP2526451Y2 - Automotive door closure device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a door closing mechanism in which, before a door body is completely closed, a striker engaged with a latch mechanism is moved in a long groove formed in a vehicle body by a driving unit to completely close the door body. The present invention relates to a closure device for an automobile door.

[0002]

2. Description of the Related Art Conventionally, a closure device for an automobile door generally has a seal member provided in a gap between a striker and a mounting base of the striker.

[0003]

However, in such a conventional vehicle door closure device, a gap is formed between the striker and the striker mounting base depending on the mounting accuracy of the seal member and the closure device. In some cases, there is a problem that the gap between the gaps changes due to the movement of the striker, and it is difficult to completely seal the gap with a seal member.

The present invention has been made in view of such a conventional problem, and a closure device for an automobile door in which a gap can be completely sealed to enhance waterproofness and dustproofness. It is intended to provide.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the gist of the present invention is that the striker (1) engaged with the latch mechanism before the door body is completely closed.
6) The long groove (1) opened on the vehicle body side by the drive unit (20)
2a, 14a), wherein the striker (16) is formed in a substantially U-shape in a closure device for an automobile door in which the door body is completely closed by moving the striker (16). An annular body (61) in which a hooking bracket (50) is erected on (18) and is externally inserted into both legs (18) of the striker (16) and fitted to the outer peripheral edge of the hooking bracket (50). And a peripheral part of the annular body (61), which resiliently contacts the peripheral part of the long groove (12a, 14a) and the peripheral part of the long groove (12a, 14a) and the hooking bracket ( An automobile door closure device characterized by comprising a sealing member (60) integrally formed with a lip portion (63) for shielding a gap between the outer peripheral edge of the vehicle door and the outer peripheral edge of the automobile door from the outside. .

[0006]

When the closure device is mounted on the vehicle body side, the striker (1) is inserted into the long grooves (12a, 14a) opened on the vehicle body side.
6) Both legs (18) are inserted. Next, the annular body (61) of the seal member is externally inserted into both legs (18) of the striker (16), and the annular body (61) is fitted to the outer peripheral edge of the latch bracket (50).

[0007] The annular body (61) is attached to the hanging bracket (5).
0), the lip portion (6)
3) resiliently abuts the peripheral edge of the long groove (12a, 14a), thereby shielding the gap between the peripheral edge of the long groove (12a, 14a) and the outer peripheral edge of the latch bracket (50). Is done.

When the closure device (20a) is operated and the striker (16) moves in the long groove (12a, 14a), the lip portion (63) keeps the long groove (12a, 14a).
Move while resiliently contacting the peripheral edge of the seal member, the gap is maintained in a state where the gap is shielded by the seal member (60).

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

Each drawing shows an embodiment of the present invention.

As shown in FIGS. 1 and 2, a door opening 10 is opened on the side of the vehicle body, and a rear edge of the door opening 10 is formed by a pillar member 12. Door opening 10
A door body (not shown) for opening and closing the door opening 10 is pivotally attached to the front edge of the door.

A striker 16 is mounted on the pillar member 12, and a latch device (not shown) for engaging with the striker 16 is provided at the rear edge of the door body. A closure device 20 a is inserted in the hollow section of the pillar member 12, and is screwed via a support bracket 14. The striker 16 is formed in an inverted U shape, has two legs 18, and has a pillar member 12 and a support bracket 14.
The long groove 12 through which both legs 18 of the striker 16 are inserted
a and 14a are respectively opened.

The closure device 20a is such that the drive unit 20 moves the striker 16 and a latch device (not shown) in the closing direction before the door body is completely closed, thereby completely closing the door body. It is.

The drive section 20 has a drive motor 22 provided in a housing 21. The rotation shaft 23a of the output gear 23 of the drive motor 22 projects upward. A screw member 24 having a screw shaft 24 a extending in the vertical direction is rotatably supported in the housing 21, and the screw member 24 has a reduction gear 25 meshed with the output gear 23.
Is fixed.

The housing 21 has a guide ridge 28 for guiding.
Are formed, and the screw member 2 is
The output member 3 is movable along the direction of the screw shaft 24a of the output member 3.
1 is fitted. A nut 32 is screwed into the output member 31, and the nut 32 is screwed to the screw member 24. A detection switch 28 for detecting the position of the output member 31 is provided in the housing 21.

The output member 31 has a cam groove 33 formed therein.
The cam groove 33 extends in the vertical direction and is an upper groove 34 when the door is completely closed.
And a lower groove 35 in the lower part of the upper groove 34 and extending in a direction parallel to the upper groove 34 when the door is incompletely closed, and a connecting groove 36 connecting the upper groove 34 and the lower groove 35.

A guide plate 40 is fixed to the housing 21. The striker 16 is formed by standing both legs 18 on a fixed plate 17, and a slide shoe 17 a is fitted to the fixed plate 17. Guide plate 4
0 to the fixed plate 1 via the slide shoe 17a.
Guide groove 41 for movably guiding 7 along the door closing direction
Are formed. A cam follower 19 is implanted in the fixed plate 17, and the cam follower 19 is fitted in the cam groove 33.

A substantially rectangular plate-shaped latching bracket 50 is provided on both legs 18 of the striker 16, and the latching bracket 50 is provided with a seal member 60 for preventing dust and the like from entering the housing 21. It is installed.

The seal member 60 has an annular body 61 which is inserted into the legs 18 from the top side of the striker 16 and fitted to the outer peripheral edge of the hooking bracket 50. The annular body 61 has a fitting groove. 62 are formed. A lip 63 is formed integrally with the periphery of the annular body 61, and the lip 63 resiliently contacts the long groove 14 a of the support bracket 14.

Next, the operation will be described.

The closure device 20a is inserted into the hollow section of the pillar member 12, and the long grooves 12a, 1
4a, the legs 18 of the striker 16 are inserted therethrough, and the closure device 20a is
Is screwed to the pillar member 12.

Next, the annular body 61 of the seal member 60 is externally inserted into both legs 18 of the striker 16, and the fitting grooves 62 of the annular body 61 are fitted to the outer peripheral edge of the latch bracket 50. That is, after the striker 16 is fixed, the seal member 60 can be attached to and detached from the striker 16, the order of assembly is not limited, the assemblability is increased, the parts can be easily replaced, and maintenance management becomes easy.

When the annular body 61 is fitted on the outer peripheral edge of the hooking bracket 50, the lip 63 of the seal member 60 resiliently contacts the peripheral edge of the long groove 14a before and after.
That is, the gap between the peripheral edge of the long groove 14 a and the outer peripheral edge of the latch bracket 50 is shielded by the seal member 60.

When the screw member 24 is rotated by the drive motor 22 via the output gear 23 to the gear 25 for reduction, the nut 32 screwed to the screw member 24 moves along the screw shaft 24a, that is, in the downward direction. Moving. Thereby, as shown in FIG. 1, the output member 31 moves downward, and the cam groove 33 moves downward integrally with the output member 31.

When the output member 31 moves downward, the cam follower 19 follows the cam groove 33 and moves from the connecting groove 36 to the upper groove 34. Thereby, the striker 16
It moves along the door closing direction with the latch mechanisms engaged with each other, and the door body is completely closed.

At this time, the striker 16 moves in the long groove 14a of the support bracket 14, but the lip portion 61 of the seal member 60 moves while resiliently contacting the peripheral edge of the long groove 14a of the support bracket 14. Seal member 6
0, the peripheral edge of the elongated groove 14a and the latching bracket 50
Is maintained in a state where the gap between the outer peripheral edge and the outer peripheral edge is shielded.

When the latch mechanism is disengaged from the striker 16 in order to open the door body, the drive motor 22 operates and the screw member 24 rotates through the output gear 23 to the gear 25 for reduction, and the screw member 24 is rotated. The nut portion 32 screwed to the nut 24 moves along the screw shaft 24a, that is, moves upward. Thus, the output member 31 moves upward and moves to a position where the output member 31 waits for the next door closing operation.

[0028]

According to the closure device for an automobile door according to the present invention, a bracket for hanging is mounted on both legs of the striker, and a sealing member is fitted to the bracket for hanging.
Since the lip portion of the sealing member is resiliently contacted with the peripheral edge of the long groove, there is no case where a gap is generated between the latching bracket and the peripheral edge of the long groove, and when the striker moves. Even if the interval of the gap changes, the gap is completely sealed by the seal member, so that the gap can be completely sealed and the waterproofness and dustproofness can be improved.

[Brief description of the drawings]

FIG. 1 is a front view of a vehicle door closure device according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a main part of the embodiment of the present invention, showing a mounted state of a closure device for a vehicle door.

FIG. 3 is a sectional view taken along line III-III of FIG. 1;

FIG. 4 is a sectional view taken along line IV-IV of FIG. 1;

FIG. 5 is an operation explanatory view showing an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Door opening 12 ... Pillar member 16 ... Striker 19 ... Cam follower 20 ... Drive part 21 ... Housing 22 ... Drive motor 24 ... Screw member 31 ... Output member 33 ... Cam groove 35a ... Cam surface 40 ... Guide plate 50 ... Locking Bracket 60: Seal member 61: Annular body 63: Lip

Claims (1)

(57) [Scope of request for utility model registration] 1. A motor vehicle in which a door is completely closed by moving a striker engaged with a latch mechanism in a long groove formed on a vehicle body side by a drive unit before the door body is completely closed. In the door closure device, the striker is formed in a substantially U-shape, a bracket for hanging is provided on both legs of the striker, and the bracket is externally inserted into both legs of the striker and fitted to an outer peripheral edge of the bracket for hanging. An annular body to be attached, and a peripheral part of the annular body, which is provided on a peripheral part of the annular body, and resiliently abuts on a peripheral part of the long groove so that a gap between the peripheral part of the long groove and the outer peripheral edge of the bracket for locking is formed outside. A closure device for an automobile door, comprising a sealing member formed integrally with a lip portion for shielding from a vehicle.