JP2562770Y2 - Automotive trunk lid closure device - Google Patents

Description

[Detailed description of the invention]

[0001]

In the present invention, a striker is provided on one of the trunk lid and the periphery of the trunk opening, and a latch member is provided on the other of the trunk lid and the periphery of the trunk opening for engaging and disengaging the striker. The present invention also relates to a closure device for a trunk lid for a vehicle, wherein the trunk member is closed by pulling the latch member through the striker by power.

[0002]

2. Description of the Related Art As a conventional closure device for an automobile trunk lid, for example, when a latch member is engaged with a striker, a screw member is rotated by a motor, and a nut member screwed to the screw member is connected to a screw axis. The striker is moved in the direction, and, for example, the striker is pulled in conjunction with the nut member.

[0003]

However, in such a conventional closure device for a trunk lid for an automobile, if any failure occurs in the power system, the latch member and the striker are engaged, but the striker is in the raised position. Because of this, the trunk lid is left floating, and water may enter the trunk room from the gap between the trunk lid and the peripheral edge of the trunk opening, or the trunk lid may be pryed open. There was a problem that it was difficult and the usability was not good.

The present invention has been made in view of such a conventional problem, and even when a failure occurs in the power system, the striker is displaced from the retracting start position to the retracting end position by itself. It is an object of the present invention to provide an easy-to-use automobile trunk lid closure device that can be stopped and the trunk lid closed so that even a general user can easily take emergency measures.

[0005]

SUMMARY OF THE INVENTION To achieve the above object, the gist of the present invention is to provide a trunk lid (1).
0) and the periphery (12) of the trunk opening (11) is provided with a striker, and the other of the trunk lid (10) and the periphery (12) of the trunk opening (11) is engaged with the striker (45). A latch member (17) for detachment is provided, and the trunk lid (10) is closed by closing the trunk lid (10) by pulling the latch member (17) through the striker (45) by power. Device, wherein the trunk lid (1)
0) and a support base (20, 30) fixed to one of the periphery (12) of the trunk opening (11), and one end of the support base (20, 30) is swingable. And the striker (4) at a position separated from the one end to the other end.
5) The striker base (40) fixedly provided and the support bases (20, 30) interlock with the power and swing the other end about the one end of the striker base (40). A retracting mechanism (50) for retracting the latch member (17) via the striker (45).
And the striker base (40) is concentric with one end of the striker base (40).
5) are independently pivotally connected to the retraction start position and the retraction end position so that the trunk lid (10) can be closed even when power cannot be used. The support base (20, 3) is displaced from the retraction start position to the retraction end position.
0) A closure device for an automobile trunk lid characterized by being screwed to 0).

[0006]

When the trunk lid (10) is closed and, for example, the latch member (17) is engaged with the striker (45), the retracting mechanism (50) is operated by power and the striker base (40) swings. And striker base (4
0), for example, the other end can be pulled down around one end. When the striker base (40) swings, the striker (45) swings integrally and is displaced from the retraction start position to the retraction end position, retracts the latch member (17), and pulls the trunk lid (10). Is closing.

[0007] Further, the striker base (40) swings, and with one end of the striker base (40) as a center,
Further, when the other end is pulled down, for example, the weather strip provided along the peripheral edge (12) of the trunk opening (11) is bent to completely close the trunk lid (10). it can.

When the trunk lid (10) is open and the power system fails, the striker (45) is detached from the striker base (40) and the striker base (4) is removed.
One end of (0) is concentrically swung independently, displaced from the retraction start position to the retraction end position, and screwed to the support base (20, 30). Next, when the trunk lid (10) is closed with a relatively strong force, the latch member (1) is closed.
7) can be engaged with the striker (45) to restrain the trunk lid (10) in the closed position.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 13 show an embodiment of the present invention.
As shown in FIGS. 1, 2 and 8, a lock mechanism 15 is provided at the center of the rear edge of the trunk lid 10, which is a door body. The lock mechanism 15 has a lock base 16 having a striker entry groove 16a formed at the center lower portion, a latch member 17 swingably supported by the lock base 16 and engaging with and disengaging from the striker 45, and The latch base 17 is pivotally connected to the lock base 16 so as to swing between a restraining position where the latch member 17 is engaged with the striker 45 and a release position where the latch member 17 is disengaged from the latch member 17 and comes off the striker 45. And a locking plate 18 supported. A tension spring 19 is extended between the latch member 17 and the locking plate 18, and the locking plate 18 is urged by the tension spring 19 in a direction in which the locking plate 18 contacts the latch member 17.

A weather strip (not shown) is attached to the periphery of the trunk opening 11.
A closure device 20a is attached to one peripheral portion 12 corresponding to the lock mechanism 15. Closure device 2
Reference numeral 0a denotes a base member 20 fixed to the inner panel of the peripheral portion 12 of the trunk opening 11, and a motor base 30 disposed on the base member 20 so as to overlap the vehicle body longitudinal direction.
And a striker base 40 interposed in a storage space formed between the base member 20 and the motor base 30. A support base is formed by the base member 20 and the motor base 30.

A pivot pin 21 is mounted on the base member 20 and the motor base 30, and one end of the striker base 40 is swingably pivoted by the pivot pin 21.
At the position separated from the one end of the striker base 40 to the other end, the pull-in start position shown in FIG. 10 when the other end of the striker base 40 is raised, and FIG. 12 when the other end is lowered. A striker 45 is provided so as to be displaceable to the retracted end position shown. The striker 45 has a flat plate-shaped cut-and-bent portion 46 in which an engagement hole 47 is formed. The striker base 40 also has a pivot pin 21
The striker 45 is pivotally attached to the drawing start position and the drawing end position independently of each other. A flange 48 for normal mounting and a flange 49 for abnormal mounting are formed on the striker base 40, and a screw hole 48 a is screwed into the flange 48 for normal mounting, and the flange 49 for abnormal mounting is formed on the flange 49 for abnormal mounting. Is provided with a pilot hole 49a. The striker base 40 has a flange 43 for normal connection corresponding to the flange 48 for normal mounting.
Are formed, and screw holes 4 are formed in the flange 43 for normal connection.
A pilot hole 43a is formed corresponding to 8a. An abnormal connection flange 39 is formed in the motor base 30 corresponding to the abnormal mounting flange 49, and a screw hole 39 corresponding to the pilot hole 49a is formed in the abnormal connection flange 39.
a is screwed. At normal time, the flange 43 for normal connection and the flange 48 for normal mounting are connected to the screw holes 4.
It is fixed with a connecting screw 44 screwed to 8a.

At the other end of the motor base 30, a retracting mechanism 50 as a driving mechanism for retracting the latch member 17 via the striker 45 is mounted. Retraction mechanism 5
Reference numeral 0 denotes a cam groove 41 formed at the other end of the striker base 40, and an output arm 55 rotatably supported by the other end of the motor base 30, and a cam follower is provided at the tip of the output arm 55. The cam follower 56 is fitted on the cam groove 41 so as to be movable. As shown in FIGS. 8 to 13, the cam groove 41 has a striker base 40 of FIG.
12, the swing angle of the striker base 40 becomes relatively small with respect to the length of the cam follower 56 moving in the cam groove 41, and the swing angle of the striker base 40 is relatively small. At the end of the retraction, the cam follower 56 is formed in a substantially arc shape having a diameter slightly larger than the diameter of the circumferential shape so as to substantially follow the locus of the circumferential shape in which the cam follower 56 moves, so that the latch member 17 is gradually drawn in with a larger force. ing.

As shown in FIGS. 1, 8 and 12, the striker base 40 is brought into contact with an abutted portion 18a formed at the lower end of the locking plate 18 to release the locking plate 18 from the restrained position. A lower end of an open lever 60 for swinging to a position is pivotally mounted. At the upper end of the open lever 60, a locking plate 1
8 comes into contact with the contacted portion 18a when it swings to the contact position,
Further, an output portion 61 is formed which separates from the contacted portion 18a when the locking plate 18 swings to the separated position. The open lever 60 is urged by a spring member 62 in a direction to swing to the separated position.

At the center of the open lever 60 in the vertical direction, the output arm 55 is rotated to swing the open lever 60 to the contact position when the striker base 40 swings from the retracted end position to the retracted start position. An input portion 63 to which a force is input via the cam follower 56 is formed. The input portion 63 is provided at one end of the cam groove 41 with the cam follower 5.
6 is extended to one end of the cam groove 41 so as to be pushed when moved. The trunk lid 10 is forcibly opened by the opening lever 60 via the locking plate 18 so that the trunk lid 10 and the trunk opening 1 are opened.
A protruding portion 65 is formed to form a clearance for hooking with the peripheral portion 12. The protruding portion 65 is provided so that, after the open lever 60 contacts the contacted portion 18a of the locking plate 18 and swings the locking plate 18 to the release position, the projecting portion 65 further projects the contacted portion 18a of the locking plate 18 upward. The locking portion 18a is formed so as to be curved upward upward continuously from the output portion 61, and the abutted portion 18a of the locking plate 18 relatively slides.

As shown in FIG. 1, an input shaft 57 is implanted at the center of the output arm 55. A key part 58 is formed at one end of the input shaft part 57, and the key part 58 penetrates the motor base 30 and protrudes toward the power part 70 fixed to the front side of the motor base 30. As shown in FIGS. 1, 5 and 6, a drive motor 75 and a speed reducer 80 are housed in a housing 71 of the power unit 70.
The drive motor 75 is placed horizontally with the motor shaft extending in both sides. The output worm 76 of the drive motor 75 is
It meshes with an output spur gear 83 via two idle gears 81 and 82.

As shown in FIG. 6, a circumferential cam groove 84 eccentric from the rotation center of the output spur gear 83 is formed on the back side of the output spur gear 83. A rotary switch 78 is housed in the housing 71, and a tip end of a switch lever 79 of the rotary switch 78 is movably fitted along a circumferential cam groove 84.

As shown in FIG. 5, on the front side of the output spur gear 83, the output spur gear 83 can be relatively moved and adjusted in the radial direction, and the output spur gear 83 has a circular shape. A disc-shaped relay member 90 is stored so as to be immovable in the circumferential direction. On the periphery of the relay member 90, a locking projection 91 is bent,
A damper member 92 is fitted to the locking projection 91.

On the front side of the output spur gear 83, a circular storage groove 8 having a diameter slightly larger than the diameter of the output spur gear 83 is provided.
5 are formed. A part of the storage groove 85 has a storage groove 85.
A locking groove 86 having a deeper groove is formed, and a damper member 92 is fitted in the locking groove 86. A central shaft 93 is projected from the center of the relay member 90, and a key groove 94 is formed in the central shaft 93 so that the key 58 of the input shaft 57 is relatively non-rotatably fitted. I have.

Next, the operation will be described. In the present device, a drive motor 75 and a speed reducer 80 are housed in a housing 71 of a power unit 70, and a rotary switch 78 is housed in the housing 71, and an output spur gear 83 rotates. Then, the switch lever 79 of the rotary switch 78 moves along the circumferential cam groove 84, and the rotational position of the output spur gear 83 can be detected by the swing operation of the switch lever 79. Normally, the flange 4 for the normal connection of the striker base 40
A flange 48 for mounting the striker 45 at normal time is fixed to the connection screw 3 by a connecting screw 44. When the output spur gear 83 is rotated by the drive motor 75, the relay member 90 is rotated integrally with the output spur gear 83, and the input shaft on the retraction mechanism 50 side via the key groove 94 and the key portion 58. Part 5
7, the power of the drive motor 75 can be transmitted.

When the trunk lid 10 is open, as shown in FIG. 10, the striker base 40 is raised, and the striker 45 is at the pull-in start position. When the trunk lid 10 is closed, the latch member 17 eventually engages with the striker 45, and the locking plate 18 locks on the latch member 17, so that the latch member 17 is closed.
Are locked in the engaged state.

When the latch member 17 is engaged with the striker 45, the rotation of the drive motor 75 causes the output worm 76 to rotate.
Output spur gear 8 via idle gears 81 and 82
3 rotates and the spur gear 83 for output rotates, the relay member 90 integrally rotates, and the central shaft portion 93 to the input shaft portion 57 are rotated.
, The output arm 55 rotates, and the retraction mechanism 50 operates. When the output arm 55 rotates, the cam follower 56 of the output arm 55
At an intermediate position between one end and the other end of the cam groove 41,
As shown in FIGS. 10 to 11, the inside of the cam groove 41 of the striker base 40 moves toward the other end.

At this time, the striker base swings at a relatively large swing angle with respect to the length of the cam follower 56 moving in the cam groove 41, and for example, around one end of the striker base 40, The other end of the striker base 40 is pulled down. Further, the output arm 5
When the cam follower 56 moves from the other end to the one end in the cam groove 41 of the striker base 40 as shown in FIGS. 11 to 12, the striker base 40 swings, The striker 45 pulls in the latch member 17, the trunk lid 10 is closed, the drive motor 75 is stopped, and the trunk opening 11 is completely closed before and after.

When the striker base 40 swings from the retraction start position shown in FIG. 10 to the retraction end position shown in FIG. 12, the open lever 60 is at the separated position, and the cam follower 56 is connected to the input portion 63 of the open lever 60.
And the output portion 61 is separated from the contacted portion 18a of the locking plate 18. When the trunk lid 10 is completely closed, the trunk lid 1
To open 0, the output arm 55 may be rotated by power.

The output arm 55 rotates and the cam follower 56
Moves toward one end in the cam groove 41, and the striker base 40 is moved from the retracted end position shown in FIG.
It swings toward the retraction start position indicated by 0. Further, when the cam follower 56 moves toward one end in the cam groove 41, as shown in FIG. 13, the cam follower 56 eventually pushes the input portion 63 of the open lever 60, and the open lever 60 swings to the contact position. Then open lever 6
0 output part 61 is the contacted part 1 of the locking plate 18.
8a, the locking plate 18 swings to the release position, and the latch member 17 comes off the striker 45.

Further, when the output arm 55 rotates and the cam follower 56 moves from one end to the other end in the cam groove 41, as shown by an imaginary line in FIG. The abutted portion 18a of the locking plate 18 moves relative to the protruding portion 65 from the output portion 61 of the open lever 60, whereby the abutted portion 1 of the locking plate 18 is moved.
8a is projected upward. Further, when the output arm 55 rotates, the cam follower 56 returns to the intermediate position from one end of the cam groove 41, the drive motor 75 stops, and
The striker base 40 returns to the initial retraction start position.

If the trunk lid 10 is open and the power system fails, the connecting screw 44 is removed, and the normal mounting flange 48 of the striker 45 and the normal connecting flange 43 of the striker base 40 are removed. And the striker 45 is swung independently around the pivot pin 21 so as to be displaced from the retraction start position to the retraction end position. Next, a flange 49 for abnormal mounting of the striker 45 is superimposed on the flange 39 for abnormal connection of the motor base 30, and a connecting screw 44 screwed to the flange 39 for abnormal connection is used.
An abnormal connection flange 39 and an abnormal mounting flange 49 are connected. Next, if the trunk lid 10 is closed with a relatively strong force, the latch member 17 is engaged with the striker 45, and the trunk lid 10 can be restrained at the closed position.

[0027]

According to the present invention, in the case where a failure occurs in the power system, the striker is detached from the striker base and the striker is independently moved from the retracting start position to the retracting end position. Because it is configured so that it can be displaced and screwed to the support base, even if a failure occurs in the power system, it is possible to easily switch from power to manual and close the trunk lid, improving usability. .

[Brief description of the drawings]

FIG. 1 is a partially exploded perspective view of a closure device showing one embodiment of the present invention.

FIG. 2 is a perspective view of the closure device according to the embodiment of the present invention in a mounted state.

FIG. 3 is a front view of the closure device showing one embodiment of the present invention.

FIG. 4 is a front view of the closure device showing one embodiment of the present invention.

FIG. 5 is a sectional view of a main part of a power unit of the closure device showing one embodiment of the present invention.

FIG. 6 is a front view of the closure device according to the embodiment of the present invention in a state in which a housing of a power unit is broken.

FIG. 7 is a partially exploded perspective view of a power unit of the closure device showing one embodiment of the present invention.

FIG. 8 is a partial front view of the closure device showing one embodiment of the present invention.

FIG. 9 is a rear view of the closure device showing one embodiment of the present invention.

FIG. 10 is an operation explanatory view of the closure device showing one embodiment of the present invention.

FIG. 11 is an operation explanatory view of the closure device showing one embodiment of the present invention.

FIG. 12 is an operation explanatory view of the closure device showing one embodiment of the present invention.

FIG. 13 is an operation explanatory view of the closure device showing one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Trunk lid (door body) 11 ... Trunk opening (opening part) 17 ... Latch member 18 ... Locking plate 20a ... Closure device 20 ... Support base 30 ... Motor base 40 ... Striker base 41 ... Cam groove 39, 43 ... For connection Flange 44 ... Connection screw 45 ... Striker 48 ... Flange for normal mounting 49 ... Flange for mounting at abnormal time 50 ... Retraction mechanism (drive mechanism) 55 ... Output arm 56 ... Cam follower 57 ... Input shaft 58 ... Key Reference Signs List 60 open lever 61 output unit 63 input unit 65 projecting unit 70 power unit 71 housing 75 driving motor 78 rotary switch 79 switch lever 80 speed reducer 83 output spur gear 84 circumference Shaped cam groove 90 ... Relay member 93 ... Central shaft part 94 ... Key groove

Claims (1)

(57) [Scope of request for utility model registration] A striker is provided on one of the trunk lid and the peripheral edge of the trunk opening, and a latch member is provided on the other of the trunk lid and the peripheral edge of the trunk opening, the latch member being engaged and disengaged from the striker. An automobile trunk lid closure device in which the latch member is pulled in through the striker to close the trunk lid, wherein a support base fixed to one of the trunk lid and a peripheral portion of a trunk opening is provided. A striker base having one end pivotally pivotally attached to the support base and the striker fixedly mounted at a position separated from the one end to the other end side; The other end of the striker base is swung about one end of the striker base, and the striker base is swung integrally with the striker base. A retracting mechanism for retracting the latch member through the striker displaced from a start position to a retracting end position, wherein the striker base is configured such that one end of the striker base is concentric with the striker independently of the retracting start position. In order to be able to displaceably pivot to the retraction end position and to be able to close the trunk lid even when power cannot be used,
A closure device for a trunk lid for an automobile, wherein a striker is independently displaced from the retraction start position to the retraction end position and screwed to the support base.