JP5060624B2 - Opening and closing device for vehicle opening and closing body - Google Patents

Opening and closing device for vehicle opening and closing body Download PDF

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JP5060624B2
JP5060624B2 JP2011030495A JP2011030495A JP5060624B2 JP 5060624 B2 JP5060624 B2 JP 5060624B2 JP 2011030495 A JP2011030495 A JP 2011030495A JP 2011030495 A JP2011030495 A JP 2011030495A JP 5060624 B2 JP5060624 B2 JP 5060624B2
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closing
gear case
gear
opening
case
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JP2011137369A (en
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寛文 渡邊
卓也 覚前
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三井金属アクト株式会社
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Description

  The present invention relates to an opening / closing device for a vehicle opening / closing body that automatically opens and closes the opening / closing body of a vehicle by the power of an electric motor.

  A conventional opening / closing device for a vehicle opening / closing body is disposed in a roof of a vehicle and reciprocates a connecting rod (or a door arm) interlocked with an electric motor in a front-rear direction so that the movement is moved up and down at the rear part of the vehicle body. By transmitting to the back door pivotally supported so as to be opened and closed, the back door is automatically opened and closed by the power of the electric motor (see, for example, Patent Document 1).

JP 2003-106044 A

  However, in the opening / closing device for a vehicle opening / closing body as described above, the connecting rod that transmits the opening / closing force to the back door is attached to the roof in accordance with the rotation of the output gear (or crank gear) linked to the electric motor. Since it moves in a state where it is superposed in the vertical direction with respect to the mechanism main body, there is a problem that the size in the vertical direction becomes large. As a result, the installation space of the switchgear protrudes into the vehicle interior, and the indoor space is reduced.

  In view of the above problems, an object of the present invention is to provide an opening / closing device for an opening / closing body for a vehicle that can reduce the size of the opening / closing device and reduce the mounting space.

According to the present invention, the above problem is solved as follows.
(1) In an opening / closing device for a vehicle opening / closing body that opens and closes by a power of an electric motor, an opening / closing body pivotally supported by a vehicle body via a hinge shaft so as to be freely opened and closed in an up-down direction, and fixed to the electric motor and the roof of the vehicle body. A lower gear case portion, an upper gear case portion disposed on the upper side of the lower gear case portion, a clutch case portion fixed to the upper surface of the upper gear case portion, and an input facing in the vertical direction in the clutch case portion A reduction gear that is pivotally supported by a shaft and interlocked with the electric motor, and is supported by the lower gear case portion and the upper gear case portion so as to be rotatable, and an upper end portion projects upward from the upper surface of the upper gear case portion. An output shaft facing the output shaft, an output gear pivotally supported by the output shaft between the lower gear case portion and the upper gear case portion, and in the clutch case portion An electromagnetic clutch pivotally supported by the input shaft and fixed to the upper surface of the upper gear case part, and capable of switching between a connected state enabling transmission of rotation of the reduction gear to the output gear and a disconnected state disabling transmission; The upper end of the output shaft protruding upward from the upper surface of the gear case portion is fixed so as not to protrude upward from the clutch case portion, and can be rotated by a predetermined angle along with the output gear along the upper surface of the upper gear case portion. The output arm includes a connecting rod having one end connected to a connecting portion provided at an end of the output arm and the other end connected to the opening / closing body.

(2) In the above item (1), one end portion of the connecting rod is connected to the connecting portion of the output arm so as not to protrude downward from the lower surface of the lower gear case portion.

(3) In the above item (1) or (2), the lower ends of the input shaft and the output shaft do not protrude below the lowermost portion of the lower gear case portion.

According to the present invention, the following effects can be obtained.
The output arm is fixed to the upper end portion of the output shaft protruding upward from the upper surface of the upper gear case portion so as not to protrude upward from the clutch case portion, and is configured to rotate at a predetermined angle along with the output gear along the upper surface of the upper gear case portion. By doing so, it is possible to reduce the size by reducing the thickness in the vertical direction of the switchgear. As a result, the installation space for the switchgear can be reduced.

It is a schematic side view of the vehicle rear part to which this invention is applied. It is a top view of an opening / closing device. It is the III-III line longitudinal cross-sectional view in FIG.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
1 is a schematic side view of a rear portion of a vehicle to which the present invention is applied, FIG. 2 is a plan view of an opening / closing device, and FIG. 3 is a vertical sectional view taken along line III-III in FIG. In FIG. 3, when the cross-sectional line is taken along the line III-III in FIG. 2, the switchgear is shown upside down. In the following description, the left side in FIG. 1 and the lower side in FIGS. 2 and 3 are the “front” of the vehicle, the right side in FIG. 1 and the upper side in FIGS. The direction is the “outside” and the right side is the “inside”.

  As shown in FIG. 1, a back door 1 that forms an opening / closing body is pivotally supported by a hinge shaft 3 facing in the left / right direction at a rear end portion in a roof 2 of the vehicle body so as to be opened / closed in an up / down direction. An opening / closing operation is performed between a fully closed position indicated by a solid line to be closed and a fully open position indicated by a two-dot chain line in which the rear end portion is flipped upward to be in a substantially horizontal state and open the opening.

  In the roof 2, an opening / closing device 4 for opening and closing the back door 1 by the power of the electric motor 5 is provided. In the present embodiment, the opening / closing device 4 is a one-side drive type arranged on the left side of the rear part in the roof 2, but may be a two-sided drive type arranged on the left and right sides of the rear part in the roof 2.

  As shown in FIGS. 2 and 3, the opening / closing device 4 is fixed to the inside of the roof 2, a case 11 in which various parts are assembled, an electric motor 5, a speed reduction mechanism 6 linked to the electric motor 5, and a speed reduction mechanism 6. When the electromagnetic clutch 7 capable of switching the power transmission path, and when the electromagnetic clutch 7 is in the connected state, the output gear 8 interlocked with the speed reduction mechanism 6, the output arm 9 interlocked with the output gear 8, and the output arm 9 are interlocked. The connecting rod 10 is provided. Note that FIG. 2 is shown with a part of the upper surface of the case 11 cut away to show the internal structure.

  The case 11 is fixed to the upper gear case portion 12 and the lower gear case portion 13 fixed in the roof 2, and the upper surface (one side surface) of the upper gear case portion 12, and houses a part of the speed reduction mechanism 6 and the electromagnetic clutch 7. And a clutch case portion 14. The upper gear case portion 12 and the lower gear case portion 13 are vertically overlapped with each other, and a plurality of fixing portions 15a to 15d that are fixed in the roof 2 by bolts (not shown) are provided on their outer peripheral portions. .

  The speed reduction mechanism 6 is pivotally supported by an input shaft (rotation shaft of the speed reduction mechanism 6) 16 facing the vertical direction (second direction) in the clutch case portion 14, and a worm 52 provided on the output shaft 51 of the electric motor 5. The meshed worm wheel (reduction gear) 61 is fixed to the lower end portion of the input shaft 16 and is pivotally supported in a gear housing portion 17 in a space formed between the upper gear case portion 12 and the lower gear case portion 13. A pinion 62 and an intermediate gear 63 that is pivotally supported by the intermediate shaft 18 (rotational shaft of the speed reduction mechanism 6) that faces vertically in the gear housing portion 17 and meshes with the pinion 62.

  The electromagnetic clutch 7 is housed in the clutch case portion 14, and is an electromagnet 71 fixed to the upper surface of the upper gear case portion 12, and a magnetic body fixed to the input shaft 16 and facing the electromagnet 71 in the vertical direction. The rotor 72 and the worm wheel 61 are pivotally supported by the input shaft 16 so as to be rotatable integrally with the worm wheel 61, and are provided with a magnetic armature 73 facing the rotor 72 in the vertical direction. By energizing 71 and attracting the armature 73 to the rotor 72, the power transmission path (transmission path between the worm wheel 61 and the pinion 62) of the speed reduction mechanism 6 is brought into a connected state, and the electromagnet 71 is demagnetized. Thus, the power transmission path of the speed reduction mechanism 6 is cut.

  The output gear 8 is pivotally supported by an output shaft 19 facing vertically in a gear housing portion 17 between the upper gear case portion 12 and the lower gear case portion 13, and is a small gear portion provided integrally with the intermediate gear 63. 63a, and with the rotation of the intermediate gear 63, it rotates from the fully closed position C indicated by the solid line in FIG. 2 to the fully open position O indicated by the two-dot chain line rotated approximately 90 degrees counterclockwise and vice versa. Can move.

  As clearly shown in FIG. 3, the output shaft 19 facing in the vertical direction is supported by the upper gear case portion 12 so that the upper end portion protrudes upward from the upper surface of the upper gear case portion 12, and the lower end portion is supported by the lower gear case. The lower gear case portion 13 supports the portion 13 so as not to protrude downward from the lowermost portion 13a. Further, the lower end portion of the input shaft 16 is also supported by the upper gear case portion 12 so as not to protrude downward from the lowermost portion 13 a of the lower case portion 13.

  The output arm 9 does not protrude upward from the upper end portion of the output shaft 19 that protrudes upward from the upper surface of the upper gear case portion 12 than the lid portion 14a that forms the upper portion of the clutch case portion 14 as clearly shown in FIG. By being fixed through the metal cylindrical spacer 20 as described above, the upper gear case portion 12 is rotatably arranged on the upper surface side, that is, on the same surface side as the electromagnetic clutch 7 is provided. At the same time, it rotates from the fully closed position C indicated by the solid line in FIG. 2 to the fully open position O indicated by the two-dot chain line rotated approximately 90 degrees counterclockwise and vice versa.

  On the lower surface of the rotating end portion of the output arm 9, there is provided a connecting portion 91 to which the front end portion (one end portion) 101 of the connecting rod 10 is swingably connected. The connecting portion 91 moves along the side of the case 11 so as not to overlap the case 11 in the vertical direction.

  As shown in FIG. 3, the front end portion 101 is swingable to the connecting portion 91 of the output arm 9 as described above so that the connecting rod 10 does not protrude downward (outward) from the lower side surface of the case 11. As shown in FIG. 2, the rear end of the back door 1 is pivotably connected to a position away from the hinge shaft 3 in the back door 1, and as shown in FIG. (1 direction) linearly reciprocates and transmits the motion to the back door 1 to open and close the back door 1. Further, the connecting rod 10 moves in a region that does not overlap in the vertical direction with respect to all of the case 11, the speed reduction mechanism 6, and the electric motor 5 in the entire stroke that linearly reciprocates in the front-rear direction as the output arm 9 rotates. As shown in FIG.

  As shown in FIG. 2, the worm wheel 61, the intermediate gear 63, the output gear 8, and the output arm 9 are connected by a line A connecting the center of the input shaft 16, the center of the intermediate shaft 18, and the center of the output shaft 19. It arrange | positions so that the movement direction (front-back direction) of the rod 10 may become parallel. Further, the electric motor 5 is arranged on the extension line A1 so that the axis B of the output shaft 51 obliquely intersects the extension line A1 of the line A and does not protrude from the case 11 in the left-right direction (third direction). Placed in. Thereby, the width | variety of the direction (3rd direction) orthogonal to the left-right direction in the switchgear 4, ie, the front-back direction and an up-down direction, can be made small. As a result, the opening / closing device 4 can be mounted in a narrow mounting space, and the interior space can be expanded. Preferably, when the output arm 9 is in the fully closed position C, the extension line of the axis B of the rotating shaft 51 and the line D connecting the center of the output shaft 20 and the center of the connecting portion 91 intersect in plan view. As described above, the electric motor 5 is preferably arranged so as to be inclined with respect to the extension line A1.

  Next, the operation of the opening / closing device 4 will be described. When the operation switch (not shown) or the remote control switch (not shown) provided in the vehicle is opened when the back door 1 is in the fully closed position, the electromagnetic clutch 7 is connected and the electric motor 5 is properly connected. Rotate in the rolling direction.

  The rotation of the electric motor 5 is transmitted to the output gear 8 and the output arm 9 through the speed reduction mechanism 6. As a result, the output gear 8 and the output arm 9 are rotated from the fully closed position C toward the fully open position O, and the connecting rod 10 is linearly moved backward to transmit this movement to the back door 1. Thus, the back door 1 is moved from the fully closed position toward the fully open position. When the back door 1 reaches the fully open position, energization to the electric motor 5 and the electromagnetic clutch 7 is stopped, and the back door 1 stops at the fully open position. When the back door 1 is in the fully open position, if the closing operation is performed, the electric motor 5, the speed reduction mechanism 6, the output gear 8, the output arm 9, and the connecting rod 10 move in the opposite direction to the above, and the back door 1 is closed. It can be operated.

1 Back door (opening and closing body)
2 Roof 3 Hinge shaft 4 Opening and closing device 5 Electric motor 6 Deceleration mechanism 7 Electromagnetic clutch 8 Output gear 9 Output arm 10 Connecting rod 11 Case 12 Upper gear case portion 13 Lower gear case portion 13a Bottom portion 14 Clutch case portion 14a Lids 15a to 15d Fixed part 16 Input shaft (rotation shaft of the speed reduction mechanism)
17 Gear receiving portion 18 Intermediate shaft (rotation shaft of reduction mechanism)
19 Output shaft (rotating shaft of output arm)
20 Spacer 51 Output shaft (Rotation shaft of the speed reduction mechanism)
52 Worm 61 Worm wheel (reduction gear)
62 pinion 63 intermediate gear 63a small gear portion 71 electromagnet 72 rotor 73 armature 91 connecting portion 101 front end portion

Claims (3)

  1. In an opening / closing device for a vehicle opening / closing device that opens and closes an opening / closing member pivotally supported by a vehicle body via a hinge shaft so as to be freely opened and closed by an electric motor,
    The electric motor;
    A lower gear case portion fixed to the roof of the vehicle body;
    An upper gear case portion disposed on the upper side of the lower gear case portion;
    A clutch case portion fixed to the upper surface of the upper gear case portion;
    A reduction gear that is pivotally supported by an input shaft facing in the vertical direction in the clutch case portion, and interlocked with the electric motor;
    An output shaft that is rotatably supported by the lower gear case portion and the upper gear case portion, and that has an upper end portion that projects upward from an upper surface of the upper gear case portion;
    An output gear pivotally supported by the output shaft between the lower gear case portion and the upper gear case portion;
    The clutch case portion is pivotally supported by the input shaft and fixed to the upper surface of the upper gear case portion, and is switched between a connected state where rotation of the reduction gear can be transmitted to the output gear and a disconnected state where transmission is impossible. Possible electromagnetic clutch,
    The upper end of the output shaft that protrudes upward from the upper surface of the upper gear case part is fixed so as not to protrude upward from the clutch case part, and rotates together with the output gear by a predetermined angle along the upper surface of the upper gear case part. Possible output arm,
    An opening / closing apparatus for a vehicle opening / closing body, comprising: a connecting rod having one end connected to a connecting portion provided at an end of the output arm and the other end connected to the opening / closing body.
  2.   2. The vehicle opening / closing body according to claim 1, wherein one end portion of the connecting rod is connected to the connecting portion of the output arm so as not to protrude downward from a lower surface of the lower gear case portion. Switchgear.
  3.   3. The opening / closing device for a vehicle opening / closing body according to claim 1, wherein lower ends of the input shaft and the output shaft do not protrude downward from a lowermost portion of the lower gear case portion.
JP2011030495A 2011-02-16 2011-02-16 Opening and closing device for vehicle opening and closing body Active JP5060624B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011030495A JP5060624B2 (en) 2011-02-16 2011-02-16 Opening and closing device for vehicle opening and closing body

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Application Number Priority Date Filing Date Title
JP2011030495A JP5060624B2 (en) 2011-02-16 2011-02-16 Opening and closing device for vehicle opening and closing body

Related Child Applications (1)

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JP2007004118 Division 2007-01-12

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JP2011137369A JP2011137369A (en) 2011-07-14
JP5060624B2 true JP5060624B2 (en) 2012-10-31

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6002422B2 (en) * 2012-04-03 2016-10-05 ベバスト ジャパン株式会社 Drive device
JP2015218466A (en) * 2014-05-15 2015-12-07 三井金属アクト株式会社 Door opening/closing device and door opening/closing method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003336441A (en) * 2002-05-21 2003-11-28 Mitsuba Corp Automatic opening/closing device for vehicle

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