JP2001132329A - Opening / closing device for vehicle opening / closing body - Google Patents

Abstract

(57) [Problem] To provide an opening / closing device for an opening / closing body for a vehicle, in which a space for mounting a drive mechanism main body is reduced and an indoor space can be widened. SOLUTION: A drive mechanism main body 5 is connected to a motor 7, a speed reduction mechanism 8 for reducing the rotation of the motor 7, and one end of a connecting member 16 connected to an opening / closing body 2, and is reduced in speed. An output mechanism 11 is connected to an output section 8d of the mechanism 8 and is formed by an output mechanism 11 which can reciprocate linearly back and forth. The motor 7 is connected to a substantially central portion in the longitudinal direction of the output mechanism 11 at right angles through the speed reduction mechanism 8. By connecting, it becomes substantially T-shaped.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular opening / closing device for opening / closing a vehicle such as a rear door of a vehicle by driving a motor.

[0002]

2. Description of the Related Art A conventional opening and closing device for opening and closing a rear door of a wagon or the like by driving a motor is disclosed, for example, in Japanese Utility Model Laid-Open No. 6-71852. This conventional technology uses a motor on the roof of the body,
A speed reduction mechanism provided in parallel with the motor, a segment gear meshed with a pinion gear of the speed reduction mechanism and pivotably pivoted, and a rod reciprocating linearly pivoted at a position distant from the rotation center of the segment gear. The rod is connected to the door, and the rod is moved back and forth by the swing of the segment gear to open and close the door.

[0003]

However, in the above-described conventional opening / closing device, in order to linearly move the rod back and forth, the segment gear must be largely rocked along the roof surface. The space for installation in the roof must be extensive.
As a result, there is a problem that the indoor space such as the head clearance of the rear passenger must be reduced.

The present invention has been made in view of the above-mentioned problems of the prior art, and has been made in view of the above-mentioned problems. It is intended to provide.

[0005]

According to the present invention, the above-mentioned problem is solved as follows. (1) Opening / closing of a vehicle opening / closing body that opens and closes an opening / closing body pivotally supported by a hinge shaft pointing to the left / right direction to be openable / closable by a driving mechanism body attached to one side of a roof of a vehicle body. In the device, the drive mechanism body, a motor, a reduction mechanism for reducing the rotation of the motor,
One end is connected to the other end of the connecting member connected to the opening and closing body, and is connected to the output of the speed reduction mechanism,
The output mechanism is formed by an output mechanism that can reciprocate linearly back and forth, and the motor is substantially T-shaped by being connected at a right angle to a substantially central portion in the longitudinal direction of the output mechanism via the speed reduction mechanism.

(2) In the above item (1), the output mechanism is
A drive pulley that is rotatably supported at one end of the substrate facing a direction substantially perpendicular to the hinge axis and that is connected to an output portion of the speed reduction mechanism and that can rotate forward and reverse; and a driven shaft that is rotatably supported at the other end of the substrate. It is provided with a pulley and a transmission member wound around the drive pulley and the driven pulley and connected to the other end of the connection member.

(3) In the above item (1) or (2), the rear end of the output mechanism is inserted into an opening formed in the rear rail of the roof to approach the rear edge of the roof.

[0008]

An embodiment of the present invention will be described below with reference to the drawings. (1) is a vehicle roof, and (2) is an opening / closing body that is pivotally supported by a rear end of the roof (1) with a hinge shaft (3) facing left and right and opens and closes a rear end opening of the vehicle body. The rear door.

(5) A drive mechanism main body fixed with a plurality of mounting brackets (5a) between the roof (1) and the roof trim (4) at the rear of the vehicle body and connected to the door (2). The door (2) is opened and closed by supplying electric power by operating an operation switch (not shown) disposed near the driver's seat of the vehicle or on the door (2).

The drive mechanism body (5) includes a motor (7) arranged so that the motor shaft (7a) is substantially parallel to the hinge shaft (3).
A large-diameter gear (8a) meshing with a pinion (7b) fixed to the motor shaft (7a), and an output-side pinion (8b) arranged coaxially with the shaft (8e), and an intermediate gear ( 8c) through the pinion (8
reduction mechanism (8) consisting of a large-diameter gear (8d) connected to b)
And an electromagnetic clutch (9) mounted in the middle of the shaft (8e) of the large-diameter gear (8a), and an elongated substrate (10) in a longitudinal direction substantially perpendicular to the hinge shaft (3). And a motor (7) is provided at a substantially central portion in the longitudinal direction with a speed reduction mechanism (8).
And an output mechanism (11) connected at a substantially right angle via
As shown in FIG. 1, it has a T shape in plan view.

An output mechanism (11) is formed integrally with the large-diameter gear (8d), and is supported by a shaft (12a) oriented in the left-right direction so as to be rotatable forward and backward. (10) a driven pulley (13) pivotally supported at the front end of the driven pulley (13), and a flexible material such as rubber forming a transmission member wound around the drive pulley (12) and the driven pulley (13). Endless belt formed by
(14).

A connecting member (15) is connected to a portion of the belt (14) located on the lower traveling path. The connecting member (15)
A belt (14) can be linearly moved in the front-rear direction between the driving pulley (12) and the driven pulley (13) in the front-rear direction. A connection portion (15a) pivotally connected with 17) is formed. Link
The rear end of (16) is connected to the mounting bracket (6) of the door (2).

As shown in FIGS. 3 and 4, the drive mechanism main body (5) has a rear end portion of the output mechanism (11) formed in a rear rail (1a) fixed inside the rear portion of the roof (1). Opening (1b)
And is attached to the roof (1) so as to approach the rear edge (1c) of the roof (1). As a result, the motor (7) is attached to the side edge (1c) of the roof (1), and the output mechanism (11) is attached to the roof (1).
Since it can be installed along the side edge (1d) of (1), the drive mechanism body (5) can be arranged at the rear corner of the roof (1) at a position avoiding the overhead of the rear passenger. It does not reduce the head clearance for rear seat occupants.

The clutch (9) can always open and close the door (2) manually by disconnecting the power transmission path between the motor (7) and the driving pulley (12), and can be connected. The rotation of the motor (7) through the output mechanism (11) to the door
(2) can be transmitted.

The transmission member (10) is not limited to the rubber belt (14) as described above. For example, the transmission member (10) may be a belt made of a synthetic resin, or a drive pulley. A toothed belt having teeth formed on the outer peripheral surface of (12) and having teeth meshing with teeth of the drive pulley (12) on a surface wound around each pulley, a chain made of metal or synthetic resin, ,
It may be a cable.

Next, the operation of the switchgear configured as described above will be described. Operation switch allows clutch
(9) is connected, the motor (7) is rotated in a predetermined direction, and the drive pulley (12) is
2 is rotated counterclockwise in FIG. 2, the connecting member (15) located at the front of the substrate (10) is moved backward together with the belt (14), and the door (2) is connected to the link ( 16), and is pivoted about the hinge shaft (3) to the fully open position indicated by the imaginary line in FIG.

When the door (2) is in the fully open position,
When the clutch (9) is connected by the operation switch, the motor (7) is rotated in the opposite direction to that described above, and the drive pulley (12) and the belt (14) are turned over. The connecting member (15) is moved forward, and the door (2) is pulled forward through the link (16) to move to the closed position shown by a solid line in FIG.

[0018]

According to the present invention, the following effects can be obtained. (a) According to the first aspect of the present invention, the output mechanism and the motor can be substantially T-shaped and can be mounted along the side edge of the vehicle roof, so that it can be mounted in a limited space. , The indoor space can be widened. In particular, when a sunroof is provided on the roof, the guide rails for the sunroof extend on both sides of the roof to near the rear end of the roof, and it is meaningful to apply to such a roof with a sunroof.

(B) According to the second aspect of the invention, it is possible to reduce the size of the output mechanism and further increase the indoor space.

(C) According to the third aspect of the invention, the rear end of the output mechanism can be made to approach the rear edge of the roof, so that the drive mechanism main body is further positioned closer to the rear end of the vehicle. , And can further increase the space inside the vehicle.

[Brief description of the drawings]

FIG. 1 is a partially cutaway plan view of a main part of an embodiment of the present invention.

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

FIG. 3 is a schematic plan view of a rear portion of a roof.

FIG. 4 is a schematic side view of a rear portion of a roof.

FIG. 5 is a schematic perspective view of a main part at a rear portion of the roof.

FIG. 6 is a schematic side view of a rear portion of the vehicle.

[Explanation of symbols]

 (1) Roof (1a) Rear rail (1b) Opening (2) Door (3) Hinge shaft (4) Roof trim (5) Drive mechanism body (5a) Mounting bracket (6) Mounting bracket (7) Motor (7a) Motor shaft (7b) Pinion (8) Reduction mechanism (8a) Large diameter gear (8b) Pinion (8c) Intermediate gear (8d) Large diameter gear (output) (8e) Shaft (9) Clutch (10) Substrate (11 ) Output mechanism (12) Drive pulley (12a) Shaft (13) Driving pulley (14) Belt (transmission member) (15) Connection member (15a) Connection (16) Link (connection member) (17) Shaft

Claims (3)

[Claims] An opening / closing body for a vehicle, wherein an opening / closing body pivotally supported to be openable and closable with a hinge shaft pointing left and right to the roof is opened and closed by a driving mechanism body attached to one side of a roof of a vehicle body. In the opening and closing device, the drive mechanism main body is connected to a motor, a reduction mechanism for reducing the rotation of the motor, one end is connected to the other end of a connecting member connected to the opening and closing body, and the reduction mechanism is And an output mechanism that is linearly movable back and forth, and is connected to the output mechanism at right angles to a substantially central portion in the longitudinal direction of the output mechanism via the speed reduction mechanism. An opening / closing device for a vehicle opening / closing body, which is substantially T-shaped. 2. A drive pulley, which is rotatably supported by one end of a board oriented in a direction substantially perpendicular to a hinge axis and is connected to an output section of a speed reduction mechanism, and is capable of rotating forward and reverse. 2. The vehicle opening / closing device according to claim 1, further comprising a driven pulley pivotally supported at the other end, and a transmission member wound around the driving pulley and the driven pulley and connected to the other end of the connecting member. Body opening and closing device. 3. The opening / closing device for a vehicle opening / closing body according to claim 1, wherein a rear end of the output mechanism is inserted into an opening formed in a rear rail of the roof to approach a rear edge of the roof. .