JPH0721961U - Closure device for car trunk lid - Google Patents

Abstract

(57) [Summary] [Purpose] To improve usability. [Structure] In the case where a failure occurs in the power system, the striker 45 is detached from the striker base 40, and the striker 45 is independently displaced from the retracted start position to the retracted end position and can be screwed to the support base 30. Even if a failure occurs in the power system, the trunk lid 10 can be closed easily by switching from power to manual.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 In the present invention, a striker is provided on one of the trunk lid and the peripheral edge of the trunk opening, and a latch member for engaging and disengaging the striker is provided on the other of the trunk lid and the peripheral edge of the trunk opening. The present invention relates to an automobile trunk lid closure device in which the latch member is pulled in via the striker to close the trunk lid.

[0002]

[Prior 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 moves in the screw axial direction. However, the striker is pulled in, for example, in conjunction with the nut member.

[0003]

[Problems to be solved by the device]

 However, in such a conventional closure device for a trunk lid for an automobile, when the power system has some trouble, the latch member and the striker are engaged, but the trunk lid is lifted because the striker is in the raised position. As a result, water may enter the trunk room through the gap between the trunk lid and the peripheral edge of the trunk opening, or the trunk lid may be pryed open, making it difficult for general users to repair. There was a problem that it was not easy to use.

The present invention has been made in view of such conventional problems. Even when a failure occurs in the power system, the striker alone displaces from the retracted start position to the retracted end position. The purpose of the present invention is to provide a convenient closure device for an automobile trunk lid, which can be bolted to close the trunk lid so that general users can easily take emergency measures.

[0005]

[Means for Solving the Problems]

 The gist of the present invention to achieve such an object is that a striker is provided on one of the trunk lid (10) and the peripheral edge portion (12) of the trunk opening (11), and the trunk lid (10) and the trunk opening (11) are provided. A latch member (17) that engages and disengages with the striker (45) is provided on the other side of the peripheral portion (12) of (11), and the latch member (17) is driven by power through the striker (45). A closure device for an automobile trunk lid for retracting the trunk lid (10) by closing the trunk lid (10) and the peripheral portion (12) of the trunk opening (11). Supported bases (20, 30) and one end of the support bases (20, 30) pivotably attached to the support bases (20, 30), and the strut is located at a position separated from the one end to the other end side. The striker base (40) to which the leica (45) is fixedly mounted, and the supporting bases (20, 30) are interlocked with power, and one end of the striker base (40) is centered on the other end. Is equipped with a retracting mechanism (50) that causes the latch member (17) to retract via the striker (45), and one end of the striker base (40) is attached to the striker base (40). The striker (45) is pivotally attached to the retracting start position and the retracting end position independently so that the trunk lid (10) can be closed even when power cannot be used. (45) is independently displaced from the pull-in start position to the pull-in end position and screwed to the support base (20, 30). It exists in the closure device of the door.

[0006]

[Action]

 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 actuated by the power and the striker base (40) swings, and the striker (40) swings. With the one end of the base (40) as the center, for example, the other end can be pulled down. When the striker base (40) swings, the striker (45) swings integrally and is displaced from the retracted start position to the retracted end position, retracts the latch member (17), and the trunk lid (10). Will be closed.

Further, when the striker base (40) swings and one end of the striker base (40) is centered and the other end is further pulled down, for example, the periphery of the trunk opening (11). The weatherstrip provided along the portion (12) can be deflected to completely close the boot lid (10).

When the trunk lid (10) is opened and the power system fails, the striker (45) is detached from the striker base (40), and one end of the striker base (40) is concentric and is used alone. Swing it to displace it from the retracting start position to the retracting end position, and screw it to the support base (20, 30). Next, if the trunk lid (10) is closed with a relatively strong force, the latch member (17) engages with the striker (45) and the trunk lid (10) can be restrained in the closed position.

[0009]

【Example】

 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. The lock mechanism 15 includes a lock base 16 in which a groove 16a for entering a striker is formed in a lower central portion, a latch member 17 swingably supported by the lock base 16 and engaged with and disengaged from a striker 45, and a latch member 17. Abutmentally locks so that the latch member 17 is swingable between a constrained position where the latch member 17 is engaged with the striker 45 and a released position where the latch member 17 is disengaged from the striker 45 so that the latch member 17 is disengaged from the striker 45. The locking plate 18 is supported by the base 16. A tension spring 19 is stretched over the latch member 17 and the locking plate 18, and the tension spring 19 urges the locking plate 18 in the direction of abutting against the latch member 17.

A weather strip (not shown) is attached to the peripheral edge of the trunk opening 11, and a closure device 20 a is attached to the peripheral edge portion 12 of the trunk opening 11 corresponding to the lock mechanism 15. The closure device 20a includes a base member 20 fixed to the inner panel of the peripheral portion 12 of the trunk opening 11, a motor base 30 arranged to overlap the base member 20 in the vehicle front-rear direction, the base member 20 and the motor. The striker base 40 is provided in a storage space formed between the striker base 40 and the base 30. The base member 20 and the motor base 30 form a support base.

A pivot pin 21 is installed on the base member 20 and the motor base 30, and one end of the striker base 40 is pivotally attached by the pivot pin 21 so as to be swingable. At the position separated from the one end of the striker base 40 to the other end, the retracting start position shown in FIG. 10 when the other end of the striker base 40 rises, and the drawing when the other end descends A striker 45 is provided so as to be displaceable at the retracted end position shown in FIG. The striker 45 is formed by forming an engaging hole 47 in a flat plate-shaped cut and bent portion 46. Similarly, a striker 45 is pivotally attached to the striker base 40 so as to be independently displaceable between the pull-in start position and the pull-in end position, centering around the pivot pin 21. A flange 48 for normal mounting and a flange 49 for abnormal mounting are formed on the striker base 40, and a screw hole 48a is screwed into the flange 48 for normal mounting to attach the flange 49 for abnormal mounting. Has a prepared hole 49a. The striker base 40 is formed with a flange 43 for normal-time connection corresponding to the flange 48 for normal-time attachment. The normal-time connection flange 43 has a prepared hole 43a corresponding to the screw hole 48a. It is set up. The motor base 30 is formed with a flange 39 for abnormal connection in correspondence with the flange 49 for abnormal installation, and the flange 39 for abnormal connection is provided with a screw hole 39a corresponding to the prepared hole 49a. Is screwed. In normal times, the normal-time connecting flange 43 and the normal-time attaching flange 48 are fixed by a connecting screw 44 that is screwed into the screw hole 48a.

A retracting mechanism 50, which is a drive mechanism for retracting the latch member 17 via the striker 45, is attached to the other end of the motor base 30. The retracting mechanism 50 has a cam groove 41 formed at the other end of the striker base 40 and an output arm 55 rotatably supported at the other end of the motor base 30. A cam follower 56 is pivotally mounted on the cam follower 56, and the cam follower 56 is movably fitted in the cam groove 41. As shown in FIGS. 8 to 13, the cam groove 41 moves in the cam groove 41 as the striker base 40 swings from the middle of the retracting shown in FIG. 11 to the end of the retracting shown in FIG. The swing angle of the striker base 40 becomes relatively small relative to the length, so that the cam follower 56 moves at the end of retraction so that the latch member 17 is retracted with a gradually larger force than when the retraction is started. It is formed in a substantially arc shape having a diameter slightly larger than the diameter of the circumferential shape so as to be substantially along.

As shown in FIGS. 1, 8 and 12, the striker base 40 abuts against the abutted portion 18 a formed at the lower end of the locking plate 18 to move the locking plate 18 from the restrained position. The lower end of the open lever 60 for swinging to the release position is pivotally attached. The upper end of the open lever 60 contacts the contacted portion 18a when the locking plate 18 swings to the contact position, and contacts the contacted portion 18a when the locking plate 18 swings to the separated position. An output portion 61 is formed to be separated from the. The open lever 60 is urged by a spring member 62 in the direction of swinging to the separated position.

At the center of the open lever 60 in the vertical direction, when the striker base 40 swings from the retracted end position to the retracted start position, the output lever 55 swings to swing the open lever 60 to the contact position. An input portion 63 is formed to which the rotational force of is input via the cam follower 56. The input portion 63 is extended to one end of the cam groove 41 so as to be pushed when the cam follower 56 moves to one end of the cam groove 41. Through the locking plate 18, the open lever 60 is forced to cause the trunk lid 10 to perform a small opening operation, and a protrusion for forming a clearance for holding between the trunk lid 10 and the peripheral portion 12 of the trunk opening 11. The part 65 is formed. The protruding portion 65 further moves the contacted portion 18a of the locking plate 18 upward after the open lever 60 contacts the contacted portion 18a of the locking plate 18 to swing the locking plate 18 to the release position. In order to project, the output portion 61 is continuously curved upward, and the contacted portion 18a of the locking plate 18 is formed so as to relatively slide.

As shown in FIG. 1, an input shaft 57 is planted in the center of the output arm 55. A key portion 58 is formed at one end of the input shaft portion 57, and the key portion 58 penetrates the motor base 30 and projects toward the power portion 70 fixed to the front surface 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 horizontally placed with its motor shaft extending in both directions. An output worm 76 of the drive motor 75 meshes with an output spur gear 83 via two idle gears 81 and 82.

As shown in FIG. 6, a circular cam groove 84 eccentric from the rotation center of the output spur gear 83 is formed on the back surface 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 surface side of the output spur gear 83, the circular movement of the output spur gear 83 can be adjusted relative to the radial direction of the output spur gear 83. A disc-shaped relay member 90 is housed so as to be immovable in the circumferential direction. A locking projection 91 is bent around the periphery of the relay member 90, and a damper member 92 is fitted on the locking projection 91.

On the surface side of the output spur gear 83, a circular storage groove 85 having a diameter slightly larger than the diameter of the output spur gear 83 is formed. An engaging groove 86, which is deeper than the accommodating groove 85, is formed in a part of the accommodating groove 85, and a damper member 92 is fitted in the engaging groove 86. A central shaft portion 93 is projectingly provided at a central portion of the relay member 90, and a key groove 94 into which the key portion 58 of the input shaft portion 57 is relatively non-rotatably fitted is formed in the central shaft portion 93. It

Next, the operation will be described. In this device, the housing 71 of the power unit 70 accommodates the drive motor 75 and the speed reducer 80, the housing 71 also accommodates the rotary switch 78, and the output spur gear 83 When rotated, 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 motion of the switch lever 79. . In normal times, the flange 43 for normal connection of the striker base 40 is fixed to the flange 48 for normal installation of the striker 45 with the connection 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 relay mechanism 90 is rotated through the key groove 94 and the key portion 58. The power of the drive motor 75 can be transmitted to the input shaft 57.

When the trunk lid 10 is open, the striker base 40 is raised and the striker 45 is at the retracted start position, as shown in FIG. When the trunk lid 10 is closed, the latch member 17 eventually engages with the striker 45, the locking plate 18 engages with the latch member 17, and the latch member 17 is restrained 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 spur gear 83 to rotate through the output worm 76 to the idle gears 81 and 82, and the output spur gear 83 When is rotated, the relay member 90 is integrally rotated, the output arm 55 is rotated through the center shaft portion 93 to the input shaft portion 57, and the retracting mechanism 50 is operated. When the output arm 55 rotates, the cam follower 56 of the output arm 55 is located at the intermediate position between one end and the other end of the cam groove 41 of the striker base 40, and as shown in FIGS. The cam groove 41 moves toward the other end.

At this time, the cam follower 56 oscillates at a relatively large oscillating angle with respect to the length of movement within the cam groove 41, and, for example, with one end of the striker base 40 as the center, The other end of the striker base 40 can be pulled down. Further, when the output arm 55 rotates and the cam follower 56 moves in the groove of the cam groove 41 of the striker base 40 from the other end to the one end as shown in FIGS. 11 to 12, the striker base 40 is moved. Swings, the striker 45 draws in the latch member 17, the trunk lid 10 is closed, and eventually the drive motor 75 is stopped, and the trunk opening 11 is completely closed in the forward and backward directions.

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

The output arm 55 rotates, the cam follower 56 moves in the cam groove 41 toward one end, and the striker base 40 swings from the retracted end position shown in FIG. 12 to the retracted start position shown in FIG. Move. Further, when the cam follower 56 moves toward the 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. As a result, the output part 61 of the open lever 60 contacts the contacted part 18a of the locking plate 18, 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 in the cam groove 41 from one end to the other end, as shown by an imaginary line in FIG. Of the locking plate 18, the contacted portion 18a of the locking plate 18 moves relatively from the output portion 61 of the open lever 60 to the protruding portion 65, whereby the contacted portion of the locking plate 18 is contacted. 18a is projected upward. Further, when the output arm 55 rotates, the cam follower 56 returns from one end of the cam groove 41 to the intermediate position, the drive motor 75 stops, and the striker base 40 returns to the initial retracting start position in the forward and backward directions.

When the trunk lid 10 is open and the power system has failed, the connecting screw 44 is removed, and the flange 48 for attaching the striker 45 at the normal time and the flange 48 for attaching the striker base 40 at the normal time are connected. The connection with the flange 43 is eliminated, and the striker 45 is independently swung about the pivot pin 21 to displace from the retracting start position to the retracting end position. Next, the flange 39 for abnormal condition connection of the motor base 30 is overlapped with the flange 49 for abnormal condition attachment of the striker 45, and the abnormal condition is detected by the connecting screw 44 screwed into the abnormal condition connection flange 39. The flange 39 for temporary connection and the flange 49 for abnormal mounting are connected. Next, if the trunk lid 10 is closed with a comparatively strong force, the latch member 17 engages with the striker 45, and the trunk lid 10 can be restrained in the closed position.

[0027]

[Effects of the Invention] According to the vehicle door closure device of the present invention, in the event of a power system failure, the striker is detached from the striker base and is independently retracted from the retracted start position to the retracted end position. Since it is configured so that it can be displaced to the base and screwed to the support base, even if a failure occurs in the power system, you can easily switch from power to manual and close the trunk lid, which improves usability. it can.

[Brief description of drawings]

FIG. 1 is a partially exploded perspective view of a closure device according to an embodiment of the present invention.

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

FIG. 3 is a front view of a closure device according to an embodiment of the present invention.

FIG. 4 is a front view of a closure device according to an embodiment of the present invention.

FIG. 5 is a sectional view of an essential part of a power unit of a closure device according to an embodiment of the present invention.

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

FIG. 7 is a partial exploded perspective view of a power unit of a closure device according to an embodiment of the present invention.

FIG. 8 is a partial front view of a closure device according to an embodiment of the present invention.

FIG. 9 is a rear view of a closure device according to an embodiment of the present invention.

FIG. 10 is an operation explanatory view of the closure device according to the embodiment of the present invention.

FIG. 11 is an operation explanatory view of the closure device according to the embodiment of the present invention.

FIG. 12 is an operation explanatory view of the closure device according to the embodiment of the present invention.

FIG. 13 is an operation explanatory view of the closure device according to the embodiment of the present invention.

[Explanation of symbols]

 10 ... Trunk lid (door) 11 ... Trunk opening (opening) 17 ... Latch member 18 ... Locking plate 20a ... Closure device 20 ... Support base 30 ... Motor base 40 ... Stryker base 41 ... Cam grooves 39, 43 ... For connection Flange 44 ... Connecting screw 45 ... Striker 48 ... Normal installation flange 49 ... Abnormal installation flange 50 ... Retract mechanism (drive mechanism) 55 ... Output arm 56 ... Cam follower 57 ... Input shaft 58 ... Key 60 ... Open lever 61 ... Output part 63 ... Input part 65 ... Projection part 70 ... Power part 71 ... Housing 75 ... Drive 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 portion 94 ... Key groove

Claims (1)

[Scope of utility model registration request] 1. A striker is provided on one of the trunk lid and the peripheral edge of the trunk opening, and a latch member for engaging and disengaging the striker is provided on the other of the trunk lid and the peripheral edge of the trunk opening. A closure device for an automobile trunk lid, in which the latch member is pulled in via the striker to close the trunk lid, the support device being fixed to one of the trunk lid and a peripheral portion of the trunk opening. A striker, one end of which is swingably attached to the support base, and the striker is fixed at a position separated from the one end to the other end side; Then, the other end of the striker base is swung around, and the striker base is swung integrally with the striker base to retract it. Through the striker displaced from the starting position to the retracting end position, a retracting mechanism for retracting the latch member is provided, and the striker base independently has the striker with one end of the striker base being concentric with the retracting start position. It is pivotally attached to the retracted end position so that it can be displaced, and the trunk lid can be closed even when power cannot be used.
A closure device for an automobile trunk lid, wherein a striker is independently displaced from the pull-in start position to the pull-in end position and screwed to the support base.