JP4061244B2 - Opening and closing device for vehicle opening and closing body - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an opening / closing device for a vehicle opening / closing body that is configured to open / close an opening / closing body that is supported to be opened and closed by a vehicle body by rotating a rotating drum by a motor of a motor drive unit.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, in an opening / closing device for a vehicle opening / closing body, a motor, a rotating drum around which a cable connected to a slide door can be wound up and sent out, and a motor rotating on a base bracket fixed to the vehicle body side A motor drive unit including a speed reducer that decelerates and transmits to the rotating drum, and rotates the rotating drum in a predetermined direction via the speed reducer by the motor and winds the cable in the predetermined direction, The slide door is opened and closed (for example, see Patent Document 1).
[0003]
[Patent Document 1]
Japanese Patent Laid-Open No. 2001-115736
[Problems to be solved by the invention]
However, in the conventional opening / closing device for a vehicle opening / closing body as described above, a motor and a speed reducer are arranged on one side of the base bracket, and a drum is arranged on the other side opposite to the one side. Therefore, the motor drive unit tends to be increased in size in the thickness direction (rotational axis direction of the rotating drum). Therefore, when the motor drive unit is attached to the vehicle body, a large attachment space must be secured on the vehicle body side at the expense of the indoor space.
For this reason, it is extremely difficult to share the motor drive unit configured as described above for the left and right sliding doors due to the limitation of the installation space and the arrangement relationship of the rotating drum, the speed reducer, and the like.
[0005]
SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems of the prior art, and it is an object of the present invention to provide an opening / closing device for a vehicle opening / closing body that enables downsizing of a motor drive unit and minimizes the limitation of the installation space. It is said.
[0006]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) A motor, a rotating drum that is wound around and capable of winding and feeding the first and second cables connected to an opening / closing body that is supported by the vehicle body so as to be opened and closed, A motor drive unit including a speed reducer capable of transmitting to the rotating drum is disposed on the vehicle body, and the rotating drum is rotated via the speed reducer by the motor, via the first cable or the second cable, In the opening / closing device for a vehicle opening / closing body configured to open / close the opening / closing body, the motor, the speed reducer, and the rotating drum are disposed on an arrangement surface formed on one surface of a base bracket fixed to the vehicle body, and A first conduit fixing portion in which an end portion of the first conduit through which the first cable is slidably inserted is fixed to an end portion of the base bracket facing the opening direction of the opening / closing body. And a second conduit fixing portion to which an end portion of the second conduit through which the second cable is slidably inserted is fixed at an end portion facing the closing direction of the opening / closing body. , Pivotally supported at a substantially central portion of the base bracket between the first conduit fixing portion and the second conduit fixing portion, and further on the side of the base drum facing the placement surface of the base drum. A gear portion that meshes with the output gear of the machine is integrally formed, and a concave portion facing the gear portion of the rotating drum and the side surface of the output gear is provided on the arrangement surface of the base bracket. The rotating drum and the output gear are disposed in a depressed state .
[0007]
(2) In the above item (1), the first cable tension means capable of absorbing the slack of the first cable is disposed between the rotating drum and the first conduit fixing portion in the base bracket, and the rotation in the base bracket is performed. A second cable tension means capable of absorbing slack of the second cable is disposed between the drum and the second conduit fixing portion.
[0008]
(3) In the above item (1) or (2), the motor is moved in a direction in which the side surface of the motor casing faces and approaches the outer peripheral surface of the rotating drum and the output shaft is orthogonal to the pivot axis of the rotating drum. Place it on the base bracket placement surface so that it faces.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view of a vehicle including a slide door to which the present embodiment is applied, FIG. 2 is a front view of the opening / closing device viewed from the indoor side, and FIG. 3 is a plan view of the opening / closing device.
In the following description, in FIG. 1, the right side is “front”, the left side is “rear”, the right side is “rear”, and the left side is “front” in FIGS. In this case, the upper side is “vehicle outside” and the lower side is “vehicle inside”.
[0010]
(1) is a right sliding door (hereinafter simply referred to as a door) which is an opening / closing body supported in a vehicle body panel (2) so that it can be opened and closed in the front-rear direction. In addition to being guided in the front-rear direction by an upper rail and a lower rail facing the front-rear direction (not shown) and a guide rail (3) facing the front-rear direction fixed to the outside of the vehicle body panel (2) on the rear right side, (4), the door opening is closed from the fully closed position shown in FIG. 1 while moving slightly outward from the outer surface of the vehicle body panel (2) and moving rearward along the vehicle body panel (2). It is possible to move between fully open positions.
[0011]
The opening / closing device (4) can be wound and sent out to a motor drive unit (8) disposed inside the vehicle body panel (2) on the rear right side and a rotating drum (9) described later of the motor drive unit (8). The door opening cable (10) and the door closing cable (11) connected to the door (1) and the guide rail (3) of the vehicle body panel (2) are arranged in the vicinity of the front and rear ends. Front and rear cable guide members (16) and (17).
[0012]
The motor drive unit (8) has a base bracket (5) formed of a metal plate and is fixed to the inside of the vehicle body panel (2) by a bolt (not shown). One side of the base bracket (5) As shown in FIGS. 2 and 3, the arrangement surface 51 formed on the side, that is, the side facing the inside of the vehicle is connected to a motor 6 that can rotate forward and backward and a door 1 as described later. A rotating drum (9) made of synthetic resin on which a door opening cable (10) forming a first cable and a closing cable (11) forming a second cable are wound so as to be wound and fed out, and a motor (6 ) To reduce the rotation and transmit to the rotating drum 9, and a first for applying tension to each of the door opening cable 10 and the door closing cable 11. The cable tension means (12) on the rear side and the second cable tension means are formed as the cable tension means. Front cable tension means and (12a) but are arranged at respective positions. In the present embodiment, the arrangement surface (51) of the base bracket (5) is a side surface facing the vehicle inner side, but may be a side surface facing the vehicle outer side instead.
[0013]
As described above, the motor drive unit (8) including the motor (6), the speed reducer (7), and the rotating drum (9) is formed on one side of the base bracket (5) fixed to the vehicle body panel (2). By arranging on the arrangement surface (51), the motor drive unit (8) can be reduced in size, particularly reduced in thickness. Thereby, the restriction of the installation space of the motor drive unit (8) is relaxed, and the left and right doors can be shared.
[0014]
The rotating drum (9) is fixed to the base bracket (5) and the mounting surface (51) of the base bracket (5) with the pivot shaft (13) facing the vehicle inner side, which is planted substantially at the center of the base bracket (5). The door opening cable (10) and the closing door cable (11) are respectively wound and sent out on the outer peripheral surface of the cylindrical drum portion (91). A spiral winding groove (92) that can be wound around is engraved. Further, on the side of the drum portion (91) facing the arrangement surface (51) of the base bracket (5), there is a gear portion (93) that meshes with an output gear (71) described later provided on the reduction gear (7). It is integrally formed. The outer diameter of the gear part (93) is larger than the outer diameter of the drum part (91) of the rotating drum (9).
[0015]
The drum cover (15) is a part of the outer peripheral surface of the drum portion (91) of the rotating drum (9), that is, each cable (10) (11) is a winding groove of the drum portion (91) of the rotating drum (9). A cover portion (151) that covers the outer peripheral surface of the drum portion (91) excluding a region that is fed out from (92), and extends from the cover portion (151), and is disposed relative to the placement surface (51) of the base bracket (5) And mounting surfaces (152) of the base bracket (5) so that each mounting piece (152) straddles a first recess (54) described later of the base bracket (5). 51) is fastened to the arrangement surface (51) of the base bracket (5) by being fastened with bolts (14). As shown mainly in FIG. 5, the gear portion (93) of the rotary drum (9) is accommodated in a gap formed between the first recess (54) and the mounting piece (152). Yes.
[0016]
The outer periphery of the drum portion (91) of the rotary drum (9) is covered with the cover portion (151) of the drum cover (15), so that the winding groove (91) provided in the drum portion (91) of the rotary drum (9). 92), the cables (10) and (11) can be prevented from falling off, and the cables (10) and (11) can be reliably wound by the rotating drum (9).
[0017]
At the bottom of the mounting piece (152) and the first recess (54) facing the side surface of the gear portion (93) of the rotating drum (9), the gear portion (93) is in the axial direction of the pivot (13). 5 is provided with a convex portion (152a) of the mounting piece (152) and a convex portion (54a) of the first concave portion (54) which can be brought into contact with the side surface of the gear portion (93). . The projections (152a) (54a) can suppress the rattling of the gear portion (93) of the rotating drum (9), and the gear portion (93) of the rotating drum (9) and the output gear (71) And ensuring that the cables (10) and (11) are wound around the drum portion (91) of the rotating drum (9) by suppressing the rattling of the entire rotating drum (9). Is possible.
[0018]
In the present embodiment, both the mounting piece (152) and the first concave portion (54) are provided with a convex portion. However, this convex portion is either the mounting piece (152) or the first concave portion (54). It may be provided on either side.
[0019]
As shown in FIG. 2, the motor (6) has a side surface (62a) of the motor casing (62) parallel to the axial direction (A) of the output shaft (61) provided with the armature. The rotating drum (9) faces and approaches the drum portion (91), and the axial direction (A) is directed in a diagonally downward direction (a direction perpendicular to the pivot (13) of the rotating drum (9)). ) Below. As a result, the motor drive unit (8) can be made smaller in size, restrictions on the installation space are reduced, and the left and right sharing of the motor drive unit (8) can be further promoted.
[0020]
The speed reducer (7) is disposed below the rotating drum (9) and behind the motor (6), and is provided with a gear box (72) fixed to the arrangement surface (51) of the base bracket (5). Inside, as shown in FIG. 4, a worm wheel (73) meshing with a worm (61a) fixed to the output shaft (61) of the motor (6), and a gear portion (73a) of the worm wheel (73) And an electromagnetic clutch (75) provided around the idle gear (74).
[0021]
The output gear (71) of the speed reducer (7) is provided so as to be exposed from the gear box (72), and when the electromagnetic clutch (75) is excited, a suction surface provided on the end face of the aisle gear (74) ( 74a), and rotates integrally with the idle gear (74), so that the rotation of the motor (6) can be decelerated and transmitted to the rotating drum (9) via the gear portion (93).
[0022]
The output gear (71) has one end (in FIG. 4) of the pivot (76) so that it can rotate integrally with the pivot (76) for pivotally supporting the idle gear (74) in the gear box (72). It is fixed to the right end). A large-diameter gear (77) that can rotate integrally with the output gear (71) is fixed to the other end (left end in FIG. 4) of the pivot (76) via the pivot (76). Yes.
[0023]
The large-diameter gear (77) meshes with the small-diameter gear (79) pivotally supported by the pivot (78) for pivotally supporting the worm wheel (73) in the gear box (72), and the output gear (71 ) At high speed and transmitted to the small-diameter gear (79).
[0024]
A rotary encoder (79a) capable of detecting the rotation of the small-diameter gear (79) rotating at high speed is provided in the vicinity of the small-diameter gear (79). The rotary encoder (79a) detects the rotation of the small-diameter gear (79) and sends a pulse as a detection signal to a control circuit (not shown) to detect the opening / closing position and the moving direction of the door (1). It is possible.
[0025]
(18) is a bendable first conduit through which the door opening cable (10) is slidably inserted, and has a notch shape, which will be described later, whose front end is provided at the rear end of the base bracket (5). A rear cable guide member which is fitted and fixed to the first conduit fixing portion (52) and whose rear end portion is disposed on the vehicle interior side of the vehicle body panel (2) in the vicinity of the rear end of the guide rail (3). Fixed to (17).
[0026]
(19) is a second bendable conduit through which the door closing cable (11) is slidably inserted. The rear end portion is provided in a notch-shaped second portion provided at the front end portion of the base bracket (5). 2 A front cable guide member (53a) is fitted and fixed to the conduit fixing portion (53), and the front end portion (19a) is disposed on the vehicle interior side of the vehicle body panel (2) near the front end of the guide rail (3). Fixed to 16).
[0027]
The cable for opening the door (10) is led out from the rear end of the first conduit (18) and then guided to the rear cable guide member (17) and led out from the inside of the vehicle body panel (2) to the outside of the vehicle. The guide rail (3) is routed from the rear end to the front. The cable end (10a) fixed to the terminal of the opening cable (10) is connected to a guide roller (not shown) provided on the door (1) slidably fitted to the guide rail (3). Connected.
[0028]
The closing cable (11) is fed out from the front end of the second conduit (19) and then guided to the front cable guide member (16) and led out from the inside of the vehicle body panel (2) to the outside of the vehicle. The rail (3) is routed from the front end to the rear. The cable end (11a) fixed to the end of the closing cable (11) is connected to the guide roller of the door (1).
[0029]
In a region facing the gear portion (93) of the rotating drum (9) and the output gear (71) of the reduction gear (7) on the arrangement surface (51) of the base bracket (5), the gear portion (93) and the output gear are arranged. A first recess (54) is provided that is recessed to the outside of the vehicle in which the side surface of (71) (the side facing the arrangement surface (51)) can be depressed. The first recess (54) increases the rigidity of the region of the base bracket (5) where the gear portion (93) of the rotating drum (9) and the output gear (71) face each other. Thereby, the shift of the gear pitch between the gear portion (93) of the rotating drum (9) and the output gear (71) can be suppressed without increasing the thickness of the base bracket (5), and the output gear (71) The transmission efficiency of the gear between the gear portions (93) of the rotary drum (9) can be improved, and the door (1) can be opened and closed smoothly and reliably.
[0030]
In the region where the gear portion (93) of the rotating drum (9) in the first concave portion (54) is recessed, as shown in FIG. A + -shaped reinforcing bead (55) is provided. A shaft hole (56) into which a pivot (13) for pivotally supporting the rotary drum (9) is fitted is formed in the central portion of the reinforcing bead (55). A shaft hole (57) in which the pivot shaft (76) of the output gear (71) is rotatably fitted is provided at the center of the region where the output gear (71) is recessed in the first recess (54). Yes.
[0031]
In the portion of the base bracket (5) where the front and rear cable tension means (12a) and (12) are arranged, the rigidity of the region facing the movement path of the opening cable (10) and the closing cable (11) is increased. Second recesses (58) and (58) are provided along the moving direction of the opening cable (10) and the closing cable (11). This second recess (58) suppresses as much as possible distortion of the base bracket (5) due to the reaction of the winding force of the opening cable (10) and the closing cable (11) with the rotation of the rotating drum (9). The winding force of each cable (10) (11) can be reliably transmitted to the door (1).
[0032]
The front end of the first conduit (18) through which the door opening cable (10) is slidably inserted is fixed to the rear end of the base bracket (5) facing the opening direction (rear) of the door (1). A second conduit (52) is provided, and a second cable (11) is slidably inserted in the front end of the door (1) facing the closing direction (front). (19) A second conduit fixing portion (53) to which the rear end portion is fixed is provided.
[0033]
The rotating drum (9) is pivotally supported at a substantially central portion of the base bracket (5) between the first conduit fixing portion (52) and the second conduit fixing portion (53). As a result, the first conduit fixing portion (52) and the second conduit fixing portion (53) are provided so as to be in a substantially symmetrical position in the front-rear direction with the rotary drum (9) as a boundary. The motor drive unit (8) can be shared more easily.
[0034]
As shown in FIG. 2, the rear cable tension means (12) capable of absorbing the slack of the opening cable (10) includes the rotating drum (9) and the first conduit fixing portion (52) in the base bracket (5). The cable tension means (12a) on the front side that is disposed between the rotary cable (11) and can absorb the slack of the cable (11) for closing the door includes a rotating drum (9) and a second conduit fixing part ( 53). As a result, the rear cable tension means (12) and the front cable tension means (12a) are positioned substantially symmetrically in the front-rear direction with the rotary drum (9) as a boundary, and the base bracket (5). By being arranged on the arrangement surface (51), it is possible to reliably absorb the slack of the cables (10) and (11) and further promote the sharing of the left and right of the motor drive unit (8). .
[0035]
That is, by arranging the first and second conduit fixing portions (52) and (53) and the rear and front cable tension means (12) and (12a) at symmetrical positions, the motor drive unit (8) is arranged. It can be applied to the left door (1) by placing it inside the vehicle body of the rear left side body panel in the reverse direction.
[0036]
Each cable tension means (12) (12a) is fixed to the arrangement surface (51) of the base bracket (5) with a bolt (not shown), and the cables (10) (11) are respectively inserted in the front-rear direction. 121) (121a), and a pulley (122) (122a) accommodated in each casing (121) (121a) so as to be rotatable and movable in the vertical direction is provided in each casing (121) (121a). The slack of each cable (10) (11) can be absorbed by pressing the cable (10) (11) downward from above by the biasing force of a spring (not shown) accommodated in the cable. ing. FIG. 2 shows each pulley (122) (122a) so that tension is not applied to each cable (10) (11) in order to facilitate the assembly work of each cable (10) (11). Is temporarily fixed to the locking portions (123) and (123a) provided in the respective casings (121) and (121a). After assembly, the pulleys (122) and (122a) are removed from the locking portions (123) and (123a), so that tension is applied to the cables (10) and (11). .
[0037]
As described above, the front cable guide member (16) is disposed on the vehicle interior side of the vehicle body panel (2) in the vicinity of the front end of the guide rail (3), and is fixed to the vehicle body panel (2) with a bolt (not shown). A rigid synthetic resin casing (161) and a concave housing part (161a) recessed toward the vehicle exterior provided in the casing (161) are rotatably accommodated by a pivot (163) facing upward and downward. 1 Covers the pulley (162) that is routed so as to guide the closing cable (11) fed out from the front end of the conduit (19) from the inside of the vehicle body panel (2) to the outside of the vehicle, and the pulley (162) As described above, the housing portion (161a) is closed and a synthetic resin cover (164) fixed to the casing (161) is provided.
[0038]
In a state where the housing portion (161a) of the casing (161) is not closed by the cover (164), the pulley (162) has an outer periphery of a portion around which the closing cable (11) is hung from the housing portion (161a). It is pivotally supported by the accommodating part (161a) so that it may be exposed. As a result, when the cable for closing the door (11) is hung around the pulley (162), the cover (164) is removed from the casing (161), so that the door is closed on the outer periphery of the pulley (162). It is possible to work while visually observing whether or not the cable (11) is securely wound.
[0039]
The casing (161) is fitted with upper and lower mounting pieces (161b) (161b) fastened to the vehicle body panel (2) by bolts (not shown) and the front end portion (19a) of the first conduit (19). A conduit fitting groove (161c) is provided.
[0040]
Both ends of the pivot shaft (163) of the pulley (162) are fitted into the housing portion (161a) of the casing (161) so that the pivot shaft (163) is supported by the housing portion (161a). A pivot fitting groove (161d) is provided.
[0041]
On the bottom of the casing (161) that fits into a through hole (not shown) provided in the vehicle body panel (2), a door closing cable (11) hung around the pulley (162) is connected to the vehicle of the vehicle body panel (2). A cable insertion hole (161e) for leading out from the inside to the vehicle outside is provided.
[0042]
The cable insertion hole (161e) is closed by a boot (165) made of an elastic material such as rubber attached to the bottom of the casing (161). The boot (165) is inserted into the closing cable (11) so that the closing cable (11) is slidable with no gap, and the displacement of the closing cable (11) in the moving direction accompanying the opening and closing movement of the door (1) (in FIG. 10) It protrudes toward the guide rail (3) side so that it can bend following the arrow B direction). Accordingly, it is possible to reliably prevent rainwater from entering the casing (161) from the cable insertion hole (161e) and to smoothly displace the direction of the closing cable (11) in the moving direction.
[0043]
On the inner surface side of the cover (164), the pivot holding portion shown in FIG. 11 that can come into contact with both ends of the pivot (163) of the pulley (162) fitted in the pivot fitting groove (161d) of the casing (161). (164a), the arc-shaped inner wall (164b) shown in FIGS. 10 and 11 approaching the outer periphery of the pulley (162) around which the closing cable (11) is hung, and the conduit fitting of the casing (161) The conduit holding portion (164c) shown in FIG. 10 is in contact with the front end portion (19a) of the first conduit (19) fitted in the groove (161c) and can press the front end portion (19a) into the conduit fitting groove (161c). ) And are provided.
[0044]
The cover (164) is fixed to the casing (161) by engaging the engagement holes (164d) provided at the front and rear ends with the claw portions (161f) provided at the front and rear ends of the casing (161). As a result, the pulley (162) is covered and the accommodating portion (161a) is closed. The claw portion (161f) may be provided in the cover (164), and the engagement hole (164d) may be provided in the casing (161).
[0045]
The rear cable guide member (17) is disposed inside the vehicle body panel (2) near the rear end of the guide rail (3) and is fixed to the vehicle body panel (2) with a bolt (not shown). And a pulley (172) that is rotatably accommodated in the casing (171) and is wound around the opening cable (10). The rear cable guide member (17) is basically the same as the front cable guide member (16) in terms of the basic configuration, and thus detailed description thereof is omitted. The rear cable guide member (17) may have the same configuration as the front cable guide member (16).
[0046]
When a predetermined operation switch is operated, the output shaft (61) of the motor (6) rotates and the electromagnetic clutch (75) is excited, so that the output gear (71) is attracted by the idle gear (74). 74a). Thereby, the rotation of the output shaft (61) of the motor (6) is meshed with the worm (61a), the worm wheel (73) meshed with the worm (61a), and the gear part (73a) of the worm wheel (73). The idle gear (74), the output gear (71) attracted to the idle gear (74), and the gear portion (93) of the rotating drum (9) meshed with the output gear (71), It is transmitted to the rotating drum (9), and the rotating drum (9) is rotated in a predetermined direction.
[0047]
At this time, in FIG. 2, when the rotary drum (9) rotates counterclockwise, the door opening cable (10) is inserted into the winding groove (92) of the drum portion (91) of the rotary drum (9). As the door closing cable (11) is sent out from the winding groove (92), the guide roller of the door (1) is retracted along the guide rail (3) and the door (1) is moved. It can be moved in the opening direction. When the rotating drum (9) rotates clockwise, the closing cable (11) is wound around the winding groove (92) of the drum portion (91) of the rotating drum (9) and the door is opened. When the cable (10) is sent out from the winding groove (92), the guide roller of the door (1) is moved forward along the guide rail (3), and the door (1) is moved in the closing direction. Can be made.
[0048]
When the rotating drum (9) rotates counterclockwise, slack occurs in the closing cable (11) that is sent out from the winding groove (92) of the drum portion (91) of the rotating drum (9). However, this slack is absorbed by the cable tension means (12a) on the front side. Further, when the rotating drum (9) rotates in the clockwise direction, the door opening cable (10) sent out from the winding groove (92) of the drum portion (91) of the rotating drum (9) is loosened. Although occurring, this slack is absorbed by the rear cable tension means (12).
[0049]
【The invention's effect】
According to the present invention, the following effects can be achieved.
(A) According to the first aspect of the present invention, the motor, the rotary drum, and the speed reducer are arranged on the arrangement surface formed on one side of the base bracket, and the first drum fixing portion provided on the base bracket is provided with the rotary drum. By pivotally supporting the central part of the base bracket between the second conduit fixing part and the motor drive unit, it is possible to reduce the size of the motor drive unit, particularly to reduce the thickness of the motor drive unit. It is possible to share the left and right doors.
Furthermore, the recess provided in the base bracket can improve the rigidity of the region of the base bracket where the gear portion and the output gear are arranged. As a result, without increasing the thickness of the base bracket, the gear portion of the rotating drum and the output gear can be reliably engaged, the transmission efficiency of the gear between the output gear and the gear portion of the rotating drum can be improved, and the opening and closing can be performed. It becomes possible to open and close the body smoothly and reliably.
[0050]
(B) According to the invention of claim 2, in addition to the effect of the invention according to claim 1, the slack of each cable can be reliably absorbed, and the motor drive unit can be more commonly used on the left and right. Can do.
[0051]
(C) According to the invention described in claim 3, in addition to the effect of the invention according to claim 1 or 2, it is possible to make the motor drive unit smaller, and the restriction of the installation space is reduced. Can be further promoted.
[Brief description of the drawings]
FIG. 1 is a perspective view of a vehicle to which an embodiment of the present invention is applied.
FIG. 2 is a front view of the switchgear as seen from the room side.
FIG. 3 is a plan view of the switchgear.
4 is an enlarged longitudinal sectional view taken along line IV-IV in FIG.
5 is an enlarged longitudinal sectional view taken along line VV in FIG.
FIG. 6 is a perspective view of a base bracket in the motor drive unit.
FIG. 7 is an exploded perspective view of a front cable guide member.
FIG. 8 is a front view of a front cable guide member.
FIG. 9 is a plan view of a front cable guide member.
10 is a transverse sectional view taken along line XX in FIG.
11 is a longitudinal sectional view taken along line XI-XI in FIG.
[Explanation of symbols]
(1) Sliding door (opening / closing body)
(2) Body panel
(3) Guide rail
(4) Opening and closing device
(5) Base bracket
(51) Placement surface
(52) 1st conduit fixing part
(53) Second conduit fixing part
(54) First recess
(54a) Convex
(55) Reinforcing beads
(56) (57) Shaft hole
(58) Second recess
(6) Motor
(61) Output shaft
(61a) Warm
(62) Motor casing
(62a) Side
(7) Reducer
(71) Output gear
(72) Gearbox
(73) Worm wheel
(73a) Gear part
(74) Idle gear
(74a) Adsorption surface
(75) Electromagnetic clutch
(76) Axis
(77) Large diameter gear
(78) Axis
(79) Small diameter gear
(79a) Rotary encoder
(8) Motor drive unit
(9) Rotating drum
(91) Drum part
(92) Winding groove
(93) Gear part
(10) Opening cable (first cable)
(10a) Cable end
(11) Cable for closing door (second cable)
(11a) Cable end
(12) Rear cable tension means (first cable tension means)
(12a) Front cable tension means (second cable tension means)
(121) (121a) Casing
(122) (122a) Pulley
(123) (123a) Locking part
(13) Axis
(14) Bolt
(15) Drum cover
(151) Cover
(152) Mounting piece
(152a) Convex
(16) Front cable guide member
(161) Casing
(161a) Housing part
(161b) Mounting piece
(161c) conduit fitting groove
(161d) Axis fitting groove
(161e) Cable insertion hole
(161f) Claw
(162) Pulley
(163) Axis
(164) Cover
(164a) Axis holding part
(164b) Inner wall
(164c) Conduit retainer
(164d) Engagement hole
(165) Boots
(17) Rear cable guide member
(171) Casing
(172) Pulley
(18) First conduit
(19) Second conduit
(19a) Front end (end)
(A) Output shaft direction
(B) Cable displacement direction

Claims (3)

A motor, a rotating drum that is wound around the first and second cables connected to an opening / closing body supported by the vehicle body so as to be able to be opened and closed, and a rotating drum that is wound so as to be able to wind and send out; A motor drive unit including a reduction gear capable of transmission is disposed on a vehicle body, and the opening / closing body is rotated via the first cable or the second cable by rotating the rotating drum via the reduction gear by the motor. In an opening / closing device for a vehicle opening / closing body adapted to open and close
The motor, the speed reducer, and the rotating drum are arranged on an arrangement surface formed on one side of a base bracket fixed to the vehicle body, and the first cable is disposed at an end of the base bracket facing the opening direction of the opening / closing body. A first conduit fixing portion for fixing an end portion of the first conduit through which the second cable is slidably inserted, and the second cable is slidably inserted into an end portion facing the closing direction of the opening / closing body. A second conduit fixing portion to which an end of the second conduit to be fixed is provided, and the rotating drum is pivoted to a substantially central portion of the base bracket between the first conduit fixing portion and the second conduit fixing portion. Further, a gear portion that meshes with the output gear of the speed reducer is integrally formed on the side of the rotating drum that faces the arrangement surface of the base bracket, and the arrangement surface of the base bracket includes the Times The recess faces provided with the gear portion and a side surface of the output gear of the drum, this recess, opening and closing device of the rotating drum and the vehicle opening and closing member, characterized in that disposed in a state of being recessed to the output gear . A first cable tension means capable of absorbing slack of the first cable is disposed between the rotating drum and the first conduit fixing portion in the base bracket, and between the rotating drum and the second conduit fixing portion in the base bracket. The opening / closing device for a vehicle opening / closing body according to claim 1, further comprising second cable tension means capable of absorbing slack of the second cable. The motor is arranged on the arrangement surface of the base bracket so that the side surface of the motor casing faces and approaches the outer peripheral surface of the rotating drum and the output shaft faces in a direction orthogonal to the pivot axis of the rotating drum. The opening / closing device for a vehicle opening / closing body according to 1 or 2.

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