JP2000103319A - Fitting method of viper device to car body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate any error in a wiping range of a wiper blade relative to the rotational movement range of an output shaft of a wiper motor by positioning a pivot shaft relative to the output shaft of the wiper motor and by fixing a pivot holder to an opening/closing body by a fixing bolt. SOLUTION: This wiper device 1 is constituted of a motor part 30 and a pivot part 31. A wiper motor 2 of the motor part 30 is fitted in the adjacent to an opening 50a formed in a rear gate panel 50 and a pivot holder 4 of the pivot part 31 is fitted to a glass hatch 51 which is opened/closed independently from the rear gate panel 50 in such a state as lifted from the opening 50a, by a positioning jig. If there is dislocation in a pin body 7 by a fitting error in fitting the pivot shaft to the glass hatch 51, first and second long-size side walls of a pin hole 3a2 absorb the dislocation in the radial direction so that the wiping range of the wiper blade can be fixed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiper device for wiping a wiping surface with a wiper blade, and more particularly to a wiper device in which a motor unit mounted on a vehicle body panel is arranged separately from a pivot unit mounted on an opening / closing body. To a vehicle body mounting method.

[0002]

2. Description of the Related Art Among wiper devices for wiping a wiping surface with a wiper blade, a pivot arm is fixed as a wiper device in which a motor unit attached to a vehicle body panel is separated from a pivot unit attached to an opening / closing body. A pivot holder rotatably supporting the pivot shaft is attached to the opening / closing body, and a wiper motor having a disk coupled to the pivot arm when the opening / closing body is closed is fixed near the opening of the vehicle body panel. Are known. In such a wiper device, when the opening / closing body is closed, the output shaft of the wiper motor reciprocates, whereby the pivot arm connected to the disc reciprocates, and the pivot arm reciprocates. By doing so, the wiper blade reciprocally wipes the wiping surface of the opening / closing body via the pivot shaft to which the pivot arm is coupled.

[0003]

In the above-described wiper device, the wiper motor is fixed to the opening of the vehicle body panel while the disk of the wiper motor and the pivot arm are connected, while the pivot holder is fixed to the opening / closing body. Is difficult, the rotation center of the output shaft of the wiper motor and the rotation center of the pivot shaft may be fixed differently. In this case, the rotation range of the pivot shaft is different from the rotation range of the output shaft of the wiper motor. As a result, there is a problem that the wiping range of the wiper blade cannot be obtained in accordance with the rotation range of the output shaft of the wiper motor, and it has been a problem to solve this problem.

[0004]

An object of the present invention is to provide a method of fixing a vehicle body of a wiper device, wherein a wiper blade wiping range can be obtained without error with respect to a rotation range of an output shaft of a wiper motor. It is an object.

[0005]

Configuration of the Invention

[0006]

According to a first aspect of the present invention, there is provided a method of attaching a wiper device to a vehicle body, comprising an output shaft fixed near an opening formed in a vehicle body panel and reciprocatingly rotated by energization. A motor comprising: a wiper motor having a positioning jig insertion hole formed therein; and a rotating body coupled to an output shaft of the wiper motor and reciprocatingly rotating between a first position and a second position by reciprocating rotation of the output shaft. And a pivot shaft insertion hole and a pivot holder fixing hole are formed, and are fixed to an opening / closing body that rotates and opens and closes with respect to the opening of the vehicle body panel to form a pivot shaft support portion. And a pivot holder having a positioning jig insertion and fixing bolt insertion hole formed therein, and a pivot holder pivotable by being fitted into the pivot shaft insertion hole of the opening / closing body. A grommet attached to the shaft support, a lock nut that comes into contact with the grommet and is screwed into the pivot shaft support of the pivot holder, a pivot holder fixing hole in the opening / closing body, and a positioning jig for the pivot holder A fixing bolt inserted into each of the holes and screwed thereto, a pivot shaft rotatably mounted on a pivot shaft support portion of the pivot holder, and a pivot shaft coupled to the pivot shaft. It has a pivot arm that reciprocates between positions and a rotating body coupling part that can be coupled to the rotating body of the motor unit, a pin body attached to the pivot arm, a wiper arm attached to the pivot shaft, and a wiper arm. Attached and placed on the wiping surface of the opening and closing body, reciprocating rotation of the pivot shaft The first of more wiping surface
A pivot portion comprising a wiper blade for wiping between the reverse position and the second reverse position, wherein the pivoting member is located at the first position or the second position, from the base end to the distal end of the opening. The pivotable body coupling portion of the pin body is movably disposed when the opening / closing body is opened and closed, and the pivotable body coupling portion of the pin body is rotated when the pivotable body rotates. A wiper device having a pin hole formed in a rotating body so as to be connectable to a pivot body, wherein a wiper motor is fixed to a vehicle body panel, and a grommet attached to a pivot shaft support portion of a pivot holder is inserted into a pivot shaft of an opening / closing body. Fit the holes into the holes, align the holes for the positioning jig insertion and fixing bolt insertion of the pivot holder with the pivot holder fixing holes of the opening and closing body, and temporarily fix the pivot holder with the grommet to the pivot shaft insertion hole of the opening and closing body A first stroke to be performed, a pivot holder fixing hole of the opening / closing body, a positioning jig insertion / fixing bolt insertion hole of the pivot holder, and a positioning jig insertion hole of the wiper motor while closing the opening / closing body with respect to the opening of the vehicle body panel. A second step of positioning the pivot shaft with respect to the output shaft of the wiper motor by passing a positioning jig from the outside of the opening / closing body to the opening / closing body; A third step of tightening a lock nut on the pivot shaft support of the pivot holder while passing the positioning jig through the bolt insertion hole and the positioning jig insertion hole of the wiper motor;
Remove the positioning jig from the wiper motor's positioning jig insertion hole, pivot holder's positioning jig insertion / fixing bolt insertion hole, opening / closing body's pivot holder fixing hole, and open / close the body's pivot holder fixing hole, pivot holder's positioning jig. A fixing bolt is inserted through the hole for inserting the fixture and fixing bolt, and the pivot holder is fixed to the opening / closing body with the fixing bolt.
And a process.

According to a second aspect of the present invention, in the method for mounting the wiper device on the vehicle body, the positioning jig of the pivot holder and the fixing bolt insertion hole are positioned between the pivot holder fixing hole of the opening and closing body. It is characterized in that a damper through which a jig can be inserted is arranged.

According to a third aspect of the present invention, in the method for mounting the wiper device on the vehicle body, a plurality of holes for inserting the positioning jig and inserting the fixing bolt of the pivot holder are arranged outside the pivot shaft support portion. The number of positioning jig insertion holes is the same as the number of positioning jig insertion / fixing bolt insertion holes of the pivot holder.

According to a fourth aspect of the present invention, in the method of mounting the wiper device on the vehicle body, the long portion of the pin hole formed in the rotating body is provided when the wiper blade is at the first reverse position or the second reverse position. When the opening / closing body is opened and closed, the length is selected so as not to be in contact with the rotating body coupling portion of the pin body.

According to a fifth aspect of the present invention, in the method for attaching a wiper device to a vehicle body, the pin body has a rotating body coupling portion that can be inserted into a pin hole of the rotating body, and the wiper blade has a first reverse position or a second reverse position. When the opening / closing body is closed when not in the reverse position, a return spring capable of pressing the rotating body coupling portion until inserted into the pin hole of the rotating body, and the rotating body coupling portion and the return spring are held by the pivot arm. And a holder.

According to a sixth aspect of the present invention, in the method for mounting a wiper device on a vehicle body, the rotating body includes a rotating body having a pin hole formed therein, and the rotating body is integrally connected to the rotating body. And a rotating plate fixed to the output shaft.

[0012]

The first, second, third, fourth and fifth aspects of the present invention
6. In the method of attaching a wiper device to a vehicle body according to item 6, the pivot holder fixing hole of the opening / closing body and the positioning jig of the pivot holder temporarily fixed to the opening / closing body are inserted into the positioning jig insertion hole of the wiper motor fixed to the vehicle body panel. The pivot shafts supported by the pivot holder are arranged at the same center with respect to the output shaft of the wiper motor by inserting the positioning jigs, each of which is inserted through the common and fixed bolt insertion hole. Then, at this position, the lock nut is tightened into the pivot shaft support portion of the pivot holder, so that the pivot shaft support portion of the pivot holder is centered with respect to the output shaft of the wiper motor so that the pivot shaft support portion is opened and closed. Fixed, the positioning jig insertion hole for the wiper motor, the pivot holder fixing hole for the
After the positioning jig is pulled out from the positioning jig insertion / fixing bolt insertion hole of the pivot holder, use the pivot holder fixing hole of the opening / closing body and the positioning jig insertion / fixing bolt insertion hole of the pivot holder. The pivot holder fixes the pivot holder to the opening / closing body. Therefore, after the pivot shaft is centered with respect to the output shaft of the wiper motor with the positioning jig insertion hole of the wiper motor fixed to the vehicle body panel as a reference position, the pivot holder is fixed to the opening / closing body. The fixing to the vehicle body is performed without causing an error between the rotation range of the output shaft and the rotation range of the pivot shaft.

[0013]

1 to 10 show one embodiment of a method for mounting a wiper device on a vehicle body according to the present invention.

The wiper device 1 fixed to a vehicle body by the vehicle body mounting method for a wiper device according to the present invention mainly comprises
The motor unit 30 includes a motor unit 30 including a wiper motor 2 and a rotating body 3, and a pivot unit 31 including a pivot holder 4, a pivot shaft 5, a pivot arm 6, a pin body 7, a wiper arm 8, and a wiper blade 9.
A glass hatch in which the wiper motor 2 is mounted near an opening 50a formed in the rear gate panel 50, and the pivot holder 4 of the pivot portion 31 is opened and closed from the opening 50a independently of the rear gate panel 50. 51 is attached using a positioning jig 60.

The wiper motor 2 is a DC motor with a gear reduction mechanism. The wiper motor 2 has two magnets (not shown) mounted inside a motor yoke 10 and an armature (not shown) mounted on the inner periphery of the magnets. Are rotatably arranged. As shown in FIG. 4, an end of an armature shaft 11 provided on the armature is connected to a gear case 12 screwed to a motor yoke 10.
A worm 11a that forms a part of a gear reduction mechanism is formed on the armature shaft 11, and a wheel gear 13 that forms another part of the gear reduction mechanism meshes with the worm 11a. I have.

One end of a link member 14 is rotatably connected to the wheel gear 13. The other end of the link member 14 is rotatably connected to a first rotating gear 15 that forms another part of the gear reduction mechanism. The first rotating gear 15 meshes with a second rotating gear 16 which forms the remaining part of the gear reduction mechanism. The second rotating gear 16 is
It is connected to the output shaft 17. The output shaft 17 is arranged to protrude from the gear case 12. The gear reduction mechanism is
The rotation of the armature shaft 11 is controlled by the worm 11a, the wheel gear 13, the link member 14, and the first rotating gear 1.
5. The speed is reduced by the second rotating gear 16 and applied to the output shaft 17.

A wiper control circuit for energizing the armature is electrically connected to the wiper motor 2. When the wiper switch provided in the wiper control circuit is turned on, current is supplied to the armature in the positive direction, so that the armature rotates forward and the armature shaft 1
1 rotates forward. When the armature shaft 11 rotates forward, the wheel gear 13 rotates forward and the wheel gear 13 rotates.
The first rotation gear 15 reciprocates through the link member 14 by the forward rotation of the first rotation gear, and the second rotation gear 16 reciprocates by the reciprocation rotation of the first rotation gear 15, As shown in FIG. 4, the output shaft 17 reciprocates between a first position A and a second position B which also serve as a stop position.

Further, the wiper motor 2 has a built-in wiper fixed position stop circuit in a current supply path to the armature. In this wiper fixed position stop circuit, the wiper switch is turned off when the wiper blade 9 is in the middle of wiping and is between the first reversing position E and the second reversing position F also serving as the stopping position. At this time, the armature is continuously energized until the wiper blade 9 reaches the first reversing position E also serving as the stop position, and then, when the wiper blade 9 reaches the first reversing position E also serving as the stopping position, the armature is used. Cut off the power supply to

At the tip of the output shaft 17 of the wiper motor 2, a serration portion (not shown) for fixing the rotating body and a male screw are formed, and the rotating body 3 is connected to the serration portion and the male screw.

On the gear case 12 of the wiper motor 2,
As shown in FIG. 6, a first positioning portion 12a and a second positioning portion 12b are formed to protrude around the output shaft 17, and the first and second positioning portions 12a,
The first and second positioning jig insertion holes 12a1 and 12b1 are formed in the round hole 12b. The first and second positioning jig insertion holes 12a1 and 12b1 are
The output shaft 17 is arranged at a distance L3 from the center of the output shaft 17. When attaching the pivot holder 4 to the glass hatch 51, the first and second positioning jig insertion holes 12a1 and 12b1 of the first and second positioning portions 12a and 12b are provided with the positioning jig 60 provided on the positioning jig 60. 1, second shaft 6
0a and 60b are respectively inserted. The first and second positioning portions 12a and 12b do not have to be arranged at an equal distance.

The rotating body 3 is provided with a rotating body main body 3a and a rotating plate 3b. The rotating body 3a has a U-shaped disk shape in cross section.
In a, a sliding contact surface 3a1 is formed on the upper surface, and a pin hole 3a2 is formed on the outer peripheral side of the sliding contact surface 3a1.

The sliding contact surface 3a1 is formed so as to be orthogonal to the axial direction of the output shaft 17 and is smooth.
The rotating body connecting portion 7a provided on the pin body 7 comes into sliding contact.

The pin hole 3a2 is, as shown in FIG.
The rotating body 3a has a long hole shape extending from the center to the outer peripheral portion. Inside the pin hole 3a2, a pair of first long side walls 3a3 and a second long side are provided on the long side. The side walls 3a4 are formed respectively, and a pair of arc-shaped first short side walls 3a5 and second short side walls 3a6 are formed on the short side, respectively. First and second long side walls 3a3,
Each of the first and second short side walls 3a5 and 3a6 has a length L1 that is approximately twice the outer diameter D1 of the rotating body coupling portion 7a provided on the pin body 7. The length L2 is slightly larger than the outer diameter D1 of the rotating body coupling portion 7a provided on the body 7. The length dimension L1 of each of the first and second long side walls 3a3 and 3a4
Is selected to be such that when the glass hatch 51 is opened and closed when the wiper blade 9 is at the first position E, the rotating body coupling portion 7a provided on the pin body 7 does not contact.

A serration receiving hole (not shown) is formed in the center of the rotating plate 3b. The rotating plate 3b is inserted into the serration portion of the output shaft 17 after the serration receiving hole is inserted into the serration receiving hole. A nut (not shown) is screwed into a male screw of the output shaft 17 on the upper side of the output shaft 17 to be connected to the output shaft 17, and the rotating body 3a is fitted on the rotating plate 3b.

Since the rotating body 3 is integrally connected to the output shaft 17, the rotating body 3 rotates together with the output shaft 17 between the first position A and the second position B as shown in FIG. It reciprocates in the range θ1. At this time, when the rotating body 3 is at the first position A also serving as the stop position, as shown in FIG. 2, the first and second long side walls 3a3 and 3a of the pin hole 3a2 are formed.
4 is disposed from the base end 50a1 on the hinge side of the opening 50a of the rear gate panel 50 toward the front end 50a2. The rotating body 3 is arranged so as to be exposed from the lower end of the opening 50a of the rear gate panel 50 by fixing the wiper motor 2 to the lower end of the opening 50a of the rear gate panel 50. The rotating body 3 may also use the second position B as the stop position. In this case, when the rotating body 3 is at the second position B, the first and second long side walls 3a of the pin hole 3a2 are also provided.
3, 3a4 are arranged from the base end 50a1 of the opening 50a of the rear gate panel 50 toward the front end 50a2.

In the rotating body 3, the rotating body coupling portion 7a of the pin body 7 is inserted into the pin hole 3a2. At this time, when the rotating body 3 rotates forward from the first position A to the second position B, the first long side wall 3a3 of the pin hole 3a2 contacts the rotating body coupling portion 7a of the pin body 7. As a result, the pin body 7 is pressed in the clockwise direction in FIG. 4, and conversely, when the rotating body 3 is moved backward from the second position B to the first position A, the pin hole 3 a
The second long side wall 3a4 of the pin 2
The pin body 7 is pressed counterclockwise in FIG.

The rotating body 3 is at a first position A which also serves as a stop position.
, The first and second long side walls 3 of the pin hole 3a2
Since a3 and 3a4 are arranged from the base end 50a1 on the hinge side of the opening 50a of the rear gate panel 50 toward the front end 50a2, the pins due to a mounting error when the pivot shaft 5 is mounted on the glass hatch 51. Even if the body 7 is misaligned, the first and second long side walls 3a3 and 3a4 of the pin hole 3a2 absorb the misalignment in the radial direction and keep the wiping range of the wiper blade 9 constant. .

The rotating body 3 is at a first position A which also serves as a stop position.
, The first and second long side walls 3 of the pin hole 3a2
Since a3 and 3a4 are arranged from the base end 50a1 on the hinge side of the opening 50a of the rear gate panel 50 toward the front end 50a2, the glass hatch 51 is opened and closed with respect to the rear gate panel 50 together with the glass hatch 51. The first and second long side walls 3 of the pin hole 3a2 along the rotation trajectory of the rotating body coupling portion 7a provided on the moving pin body 7.
By arranging the a3 and 3a4, the rotating body coupling portion 7a of the pin body 7 is moved in the pin hole 3a2. As a result, the pin body 7 does not contact the pin hole 3a2 of the rotating body 3,
The glass hatch 51 is opened and closed.

The pivot shaft 5 includes a shaft body 5
A pivot arm fixing portion 5b is formed at the base end of the shaft body 5a, and a serration portion 5c for attaching a wiper arm and a male screw 5d are formed at the front end of the shaft body 5a. A pivot shaft mounting portion 6b formed at the base end of the pivot arm 6 is fixed to the pivot arm fixing portion 5b by caulking. The base end of the wiper arm 8 is fitted into the serration portion 5c, and a nut (not shown) is screwed into the male screw 5d, so that the base end of the wiper arm 8 is fixed. Wiper arm 8
The wiper blade 9 is attached to the tip of the. The wiper blade 9 is provided on the wiping surface 5 on the glass hatch 51 by the elastic repulsion of an arm spring built in the wiper arm 8.
It is pressed down to 2.

As shown in FIG. 8, the pivot shaft 5 has a shaft body 5a rotatably supported by a pivot shaft support 4b formed on the pivot holder 4.

The pivot holder 4 has a cylindrical pivot shaft support 4b substantially at the center of a triangular plate-shaped holder main body 4a. As shown in FIG. 5, a first positioning jig insertion / fixing bolt insertion hole 4c, which is a through hole, and a second positioning jig insertion / fixing bolt insertion hole are formed on the outer portion of the holder body 4a. Holes 4d are respectively formed. As shown in FIG. 7, the first and second positioning jig insertion / fixing bolt insertion holes 4c and 4d are provided at the center of the pivot shaft support 4b.
That is, from the center of the pivot shaft 5, the same length dimension L as the first and second positioning jig insertion holes 12a1 and 12b1 formed on the gear case 12 of the wiper motor 2.
They are arranged three by three. When the pivot holder 4 is mounted on the glass hatch 51, the first and second positioning jigs 60 are provided in the first and second positioning jig insertion / fixing bolt insertion holes 4c and 4d. Shaft 6 of
0a and 60b are respectively inserted, and the first and second shaft portions 60a and 60b provided on the positioning jig 60 are provided.
Are respectively extracted, and then the fixing bolts 23 are inserted.

The pivot shaft 5 includes a shaft main body 5a.
Is inserted into the pivot shaft support portion 4b of the pivot holder 4, and a wave washer (not shown) is attached between the pivot holder 4 and the pivot arm 6 of the pivot arm fixing portion 5b.
A C-ring 18 is fitted to the tip of the pivot holder 4 projecting from the pivot shaft support 4b,
A cap 19 is attached to the distal end, and the lock nut 20 is screwed into the pivot shaft support portion 4b of the pivot holder 4 from the outside of the cap 19, so that the lock nut 20 is prevented from falling out of the pivot holder 4. Pivot shaft 5
Rotates in the same rotation range θ2 as the pivot arm 6.

As shown in FIG. 7, a grommet 21 is attached to the pivot shaft supporting portion 4b of the pivot holder 4, and the grommet 21 is inserted through a pivot shaft formed at the tip end 51b of the glass hatch 51. It is fitted in the hole 51c.

As shown in FIG. 10, the tip 51 of the glass hatch 51 is placed on the first and second positioning jig insertion and fixing bolt insertion holes 4c and 4d of the pivot holder 4.
The dampers 22, 22 fitted in the pivot holder fixing holes 51d, 51d formed in the b are arranged, and the fixing bolts 23, 23 are inserted into the bolt holes 22a, 22a formed in the dampers 22, 22, respectively. I have. Damper 22, 2
The first and second shaft portions 60a, 60b provided on the positioning jig 60 when the pivot holder 4 is fixed to the glass hatch 51 are inserted into the second bolt holes 22a, 22a. After the jig 60 is pulled out, the fixing bolts 23 are inserted.

The fixing bolts 23 are connected to the glass hatch 5
Bolt holes 22a, 22a of the dampers 22, 22, respectively fitted in the pivot holder fixing holes 51d, 51d.
Are inserted through the first and second positioning jig insertion / fixing bolt insertion holes 4c, 4d of the pivot holder 4, respectively, and the nuts 24, 24 are respectively screwed, so that the holder body 4a of the pivot holder 4 is made of glass. Used to fix to hatch 51.

As shown in FIG. 5, the pivot arm 6 is provided with a pivot shaft mounting portion 6b at the base end of a plate-shaped arm main body 6a, and a pin body fixing portion at the distal end of the arm main body 6a. 6c is formed. The pin body fixing portion 6c has a round hole shape. When the glass hatch 51 is closed, the pivot arm 6 is arranged such that the plate surface of the arm body 6 a is parallel to the sliding contact surface 3 a 1 of the rotating body 3. The pivot arm 6 is moved to a third position C which also serves as a stop position.
Between the third position C and the fourth position D by reciprocating the pivot arm 5 between the third position C and the fourth position D. , The wiper blade 9 connected via the pivot shaft 5 is provided on the wiping surface 52 of the
Between the reverse position E and the second reverse position F is reciprocated.

A pin 7 is attached to the pin fixing portion 6c of the pivot arm 6. As shown in FIG.
As shown in the figure, the rotating body coupling portion 7a, the return spring 7b,
A holder 7c is provided.

The rotating body connecting portion 7a is formed in a rod shape.
The rotating body 3 is supported by a holder 7c so as to be movable in a direction perpendicular to the sliding contact surface 3a1.

One end of the return spring 7b is connected to the rotating body coupling portion 7a.
And the other end is locked by the holder 7c, so that the elastic repulsive force is accumulated in the holder 7c.
Since the rotating body coupling portion 7a is accommodated in the rotating body 3
Is pressed against the sliding surface 3a1.

The holder 7c movably supports the rotating body coupling portion 7a in a direction orthogonal to the plate direction of the pivot arm 6.

As shown in FIG. 7, when the glass hatch 51 is closed, the pin body 7 is disposed so that the rotating body connecting portion 7a projects below the pivot arm 6 by the elastic repulsive force of the return spring 7b. , As shown in FIG.
Since the pivot arm 6 is arranged near the rotating body 3 and parallel to the sliding contact surface 3a1 of the rotating body 3, the rotating body coupling portion 7a is inserted into the pin hole 3a2 of the rotating body 3.

By inserting the rotating body coupling portion 7a of the pin body 7 into the pin hole 3a2 of the rotating body 3, the pin body 7
Since it is integrally connected to the rotating body 3 and is rotated together with the rotating body 3, the rotating motion of the rotating body 3 is transmitted to the pivot arm 6, and the pivot arm 6 is rotated. When the pivot arm 6 is at the third position C which also serves as the stop position, the pivot arm 6 is disposed from the base end 51 a of the glass hatch 51 to the tip end 51 b of the rotating body coupling portion 7 a of the pin body 7. Therefore, a glass hatch 51 is attached to the pivot shaft 5.
Is disposed on the side of the distal end portion 51b. The rotating body coupling portion 7a of the pin body 7 rotates in the same rotation range θ2 as the pivot arm 6.

The wiper device 1 having such a structure is mounted on the vehicle body in accordance with the procedures shown in FIGS. A positioning jig 60 is used for attachment to the vehicle body. The positioning jig 60 has a U-shape as a whole, and a handle portion 60c for an operator to hold by hand is formed at the center thereof. Two shaft portions 60a and 60b are respectively formed.

In the first step shown in FIGS. 6 and 7,
A bracket 25 fixed to the gear case 12 of the wiper motor 2 is screwed to a predetermined position of the opening 50a of the rear gate panel 50. When the wiper motor 2 is screwed into the opening 50a of the rear gate panel 50,
The rotating body 3 is disposed so as to be exposed inside the opening 50 a of the rear gate panel 50.

In the first step, the pivot holder 4
The grommet 21 attached to the pivot shaft support 4b of the pivot shaft insertion hole 5 of the glass hatch 51
1c, the first and second positioning jigs are inserted and fixed to the bolt holders 22a, 22a of the damper 22 fitted to the pivot holder fixing holes 51d, 51d of the glass hatch 51, respectively. Bolt insertion hole 4
By combining c and 4d, the pivot holder 4 is temporarily fixed to the pivot shaft insertion hole 51c of the glass hatch 51 by the grommet 21.

In the first stroke, the wiper motor 2 is screwed into a predetermined position of the opening 50a of the rear gate panel 50. The pivot holder 4 is configured such that the pivot shaft support portion 4b is connected to the pivot shaft insertion portion 5 of the glass hatch 51.
It is not fixed with respect to the glass hatch 51 only by being arrange | positioned in 1c. At this time, the rotating body 3 is at the first position A also serving as the stop position, and the pivot arm 6 is at the third position C also serving as the stop position.

In the second step executed after the first step, as shown in FIG. 8, the glass hatch 51 where the pivot holder 4 is temporarily fixed is closed with respect to the rear gate panel 50, and the glass hatch 51 is closed. The glass hatch 51 is inserted into each of the bolt holes 22a, 22a of the dampers 22, 22 fitted in the pivot holder fixing holes 51d, 51d.
First and second shaft portions 60 of the positioning jig 60 from the outside of the vehicle
a and 60b are inserted.

The first and second shaft portions 60 of the positioning jig 60
a, 60b are inserted into the bolt holes 22a, 22a of the damper 22, the bolt holes 22a, 22
The first and second shaft portions 6 of the positioning jig 60 are aligned with the first and second positioning jig insertion / fixing bolt insertion holes 4 c and 4 d of the pivot holder 4.
0a and 60b are respectively inserted into the first and second positioning jig insertion / fixing bolt insertion holes 4c and 4d of the pivot holder 4, and further inserted, whereby the first and second of the wiper motor 2 are inserted. Positioning jig insertion part 12a
The first and second shaft portions 6 of the positioning jig 60 are provided at 1, 12b1.
0a and 60b are respectively inserted. At this time, since the wiper motor 2 is already positioned and fixed to the rear gate panel 50 in the first stroke, the position of the positioning jig 60 with respect to the first and second positioning jig insertion portions 12a1 and 12b1 of the wiper motor 2 is increased. 1, second shaft portions 60a, 60
When b is not smoothly inserted, the insertion is performed by turning the holder main body 4a of the pivot holder 4 temporarily fixed to the glass hatch 51.

First and second shaft portions 60 of positioning jig 60
a and 60b are bolt holes 22a and 22a of the damper 22, first and second positioning jig insertion / fixing bolt insertion holes 4c and 4d of the pivot holder 4, first of the wiper motor 2,
By being inserted into the second positioning jig insertion portions 12a1 and 12b1, respectively, the pivot shaft 5 of the pivot holder 4 temporarily fixed to the glass hatch 51 is positioned with respect to the output shaft 17 of the wiper motor 2, and the output shaft The pivot shaft 5 is centered with respect to 17.

In a third step executed after the second step, as shown in FIG.
a, 22a, first and second positioning jig insertion / fixing bolt insertion holes 4c, 4d of pivot holder 4, first and second positioning jig insertion portions 12a1, 1 of wiper motor 2
2b1, the first and second shaft portions 60a of the positioning jig 60,
The lock nut 20 is screwed into the pivot shaft support portion 4b from outside the cap 19 attached to the pivot shaft support portion 4b of the pivot holder 4 with the respective 60b inserted.

When the lock nut 20 is screwed into the pivot shaft support 4b, the lock nut 20 is rotated.
As a result, the pivot shaft supporting portion 4b of the pivot holder 4 is immovably disposed in the pivot shaft insertion hole 51c of the glass hatch 51 via the grommet 21.

In the fourth step executed after the third step, as shown in FIG. 10, the first and second shaft portions 60a and 60b of the positioning jig 60 are connected to the first and second shafts of the wiper motor 2. Positioning jig insertion portions 12a1 and 12b1, first and second positioning jig insertion / fixing bolt insertion holes 4c and 4d of pivot holder 4, and bolt hole 2 of damper 22.
2a and 22a, and are fixed to the pivot holder fixing holes 51d and 51d of the glass hatch 51 by the fixing bolts 23 and 2d.
3 is inserted.

Fixing bolts 23, 23 inserted in the pivot holder fixing holes 51d, 51d of the glass hatch 51.
Project from the bolt holes 22a, 22a of the dampers 22, 22, through the first and second positioning jig insertion / fixing bolt insertion holes 4c, 4d of the pivot holder 4, to the back surface of the holder main body 4a. , 24 are screwed. When the nuts 24 are screwed in, the pivot holder 4 is fixed by the fixing bolts 23, 23 and the nuts 24, 24.
Is fixed to the glass hatch 51. Then, the base end of the wiper arm 8 is fitted into the serration portion 5c of the pivot shaft 5 which is arranged so as to protrude from the glass hatch 51, a nut (not shown) is screwed into the male screw 5d, and the wiper blade 9 is attached to the tip end of the wiper arm 8. The attachment of the wiper device 1 to the vehicle body is completed by the attachment. At this time, the first of the positioning jigs 60,
The second shaft portions 60a and 60b are inserted into the first and second positioning jig insertion portions 12a1 and 12b1 of the wiper motor 2, the first and second positioning jig insertion / fixing bolt insertion holes 4c of the pivot holder 4, 4d, bolt hole 22a of damper 22,
When the glass hatch 51 is pulled out from the inside 22a, the glass hatch 51 is slightly opened, or the nuts 24, 24 are screwed in from the vehicle interior side.

As described above, the first and second wiper motors 2 fixed to the opening 50a of the rear gate panel 50
For the positioning jig insertion holes 12a1, 12b2, the pivot holder fixing holes 51d, 51d of the glass hatch 51,
Pivot holder 4 temporarily fixed to glass hatch 51
By inserting the first and second shaft portions 60a, 60b of the positioning jig 60 inserted through the first and second positioning jig insertion / fixing bolt insertion holes 4c, 4d, respectively, the wiper motor 2 is inserted. The pivot shaft 5 supported by the pivot holder 4 is arranged at the same center with respect to the output shaft 17. Then, at this position, the lock nut 20 is tightened into the pivot shaft support portion 4b of the pivot holder 4 so that the pivot shaft 5 is centered with respect to the output shaft 17 of the wiper motor 2 and the pivot of the pivot holder 4 is Shaft support 4b is glass hatch 5
1, the first and second positioning jig insertion holes 12a1 and 12b1 of the wiper motor 2, the pivot holder fixing holes 51d and 51d of the glass hatch 51, and the pivot holder 4.
After the positioning jig 60 is extracted from the first and second positioning jig insertion / fixing bolt insertion holes 4c and 4d, the pivot holder fixing hole 51d of the glass hatch 51,
51d, the pivot holder 4 is fixed to the glass hatch 51 by the fixing bolts 23 using the first and second positioning jig insertion and fixing bolt insertion holes 4c and 4d of the pivot holder 4. Therefore, the pivot shaft 5 is connected to the output shaft 17 of the wiper motor 2 with reference to the first and second positioning jig insertion holes 12a1 and 12b1 of the wiper motor 2 fixed to the opening 50a of the rear gate panel 50.
Is pivoted, the pivot holder 4 is fixed to the glass hatch 51, so that no error occurs between the rotation range θ1 of the output shaft 17 of the wiper motor 2 and the rotation range θ2 of the pivot shaft 5. Will be attached to the device.

In the wiper device 1 having such a structure, when the glass hatch 51 is closed and the wiper switch of the wiper control circuit is turned off, the rotating body 3 is in the first position A also serving as the stop position. The pivot arm 6 is stopped at the first position A, and the pivot arm 6 a of the pin body 7 is inserted into the pin hole 3 a 2 of the pivot body 3. C, and the wiper blade 9 is at the first reversal position E which also serves as the stop position.

When the wiper switch of the wiper control circuit is turned on, the output shaft 17 of the wiper motor 2 starts rotating clockwise in FIG. When the output shaft 17 starts rotating, the rotating body 3 starts rotating from the first position A toward the second position B. Therefore, the first length of the pin hole 3a2 formed in the rotating body 3 is increased. The small side wall 3a3 pushes the rotating body coupling portion 7a of the pin body 7, the pivot arm 6 is rotated from the third position C to the fourth position D, and the pivot arm 6 is moved from the third position C to the fourth position C. 4, the wiper blade 9 is moved from the first reversal position E to the second position D.
The wiping surface 52 is wiped toward the inversion position F.

Since the output shaft 17 of the wiper motor 2 rotates clockwise in FIG. 4 and then counterclockwise in FIG. 4, the rotating body 3 moves from the second position B to the first position A. And the second long side wall 3a4 of the pin hole 3a2 formed in the rotating body 3 pushes the rotating body coupling portion 7a of the pin body 7, and the pivot arm 6 moves from the fourth position D to the third position. Position C
, And the pivot arm 6 is rotated from the fourth position D to the third position C, whereby the wiper blade 9 is moved from the second reverse position F to the first reverse position E. The wiping surface 52 is wiped with the wiper blade 9 to reciprocally wipe the wiping surface 52 with the wiper blade 9.

When the rotating body 3 reciprocates between the first position A and the second position B by the reciprocating rotation of the output shaft 17 of the wiper motor 2, the rotating body coupling portion 7a of the pin body 7 is rotated. Is
First and second short side walls 3a of the pin holes 3a2 of the rotating body 3 having a length L2 slightly larger than the outer diameter D1.
5, 3a6, the rotation range does not deviate in accordance with the rotation range of the rotating body 3, and as a result, the wiper blade 9 is moved from the first reversal position E to the second reversal position. The wiping range between the position F and the position F is wiped without shifting the position.

While the wiper blade 9 is wiping the wiping surface 52, the wiper blade 9 is
When the wiper switch of the wiper control circuit is turned off when the wiper switch is in the reverse position F, the rotating body 3 comes to the first position A also serving as the stop position by the wiper fixed position stop circuit of the wiper motor 2. When the rotating body 3 reaches the first position A, the power supply to the armature is cut off when the rotating body 3 reaches the first position A, so that the wiper blade 9 is in the first reversing position also serving as the stop position. After wiping is continued to E, the operation is stopped at the first reversal position E.

When the wiper control circuit is turned off and the glass hatch 51 is opened, the pivot portion 31 composed of the pivot shaft 5, the pivot arm 6, the pin body 7, the wiper arm 8, and the wiper blade 9 moves together with the glass hatch 51 to the rear gate. Move away from the opening 50a of the panel 50.

When the glass hatch 51 is opened, the wiper blade 9 is at the first reversing position E also serving as the stop position,
Since the pivot arm 6 is located at the third position C also serving as the stop position, the rotating body coupling portion 7a of the pin body 7 is
The first and second long side walls 3a3 and 3a4 of the pin holes 3a2 are located on the rear gate panel 50 because the rotating body 3 is at the first position A also serving as the stop position. Base end 50a1 on the hinge side of opening 50a
From the front end 50a2. As a result, the rotating body coupling portion 7a of the pin body 7 is moved along the first and second long side walls 3a3 and 3a4 of the pin hole 3a2.
It moves without touching 2.

Unlike the above, when the glass hatch 51 is closed, since the rotating body 3 is at the first position A also serving as the stop position, the first and second long side walls 3a3 of the pin hole 3a2,
3a4 is disposed from the base end 50a1 on the hinge side of the opening 50a of the rear gate panel 50 toward the front end 50a2, while the wiper blade 9 is at the first reversing position E also serving as the stop position, and the pivot arm 6 is located at the third position C, which also serves as the stop position, so that the rotating body coupling portion 7a of the pin body 7 is disposed on the tip end 51b side of the glass hatch 51. As a result, the rotating body coupling portion 7a of the pin body 7 does not contact the pin hole 3a2 along the first and second long side walls 3a3 and 3a4 of the pin hole 3a2, and the pin hole 3a2 of the rotating body 3
Is inserted into.

When the glass hatch 51 is opened and closed, when the rotating body 3 is at the first position A also serving as the stop position, the first and second long side walls 3a3 and 3a4 of the pin hole 3a2 are connected to the rear gate panel. Since the opening 50a is arranged from the base end 50a1 on the hinge side of the opening 50a toward the front end 50a2, the pin body 7 is misaligned due to a mounting error when the pivot shaft 5 is mounted on the glass hatch 51. Even if the first and second long side walls 3a3 of the pin hole 3a2,
By 3a4, the displacement in the radial direction is absorbed, and the rotation range of the pivot arm 6 matches the rotation range of the rotating body 3, so that the wiping range of the wiper blade 9 does not become unstable.

When the glass hatch 51 is closed, the wiper blade 9 is not at the first reversal position E, and the second
The pivot arm 6 is not at the third position C also serving as the stop position, and the rotating body coupling portion 7a of the pin body 7 is also at the leading end 51 of the glass hatch 51.
Not arranged on the b side. On the other hand, since the rotating body 3 is at the first position A also serving as the stop position, the first and second long side walls 3a3 and 3a4 of the pin hole 3a2 are located on the hinge side of the opening 50a of the rear gate panel 50. It is arranged from a certain base end 50a1 to a front end 50a2. In this state, the rotating body connecting portion 7a of the pin body 7 moved together with the glass hatch 51 in the direction in which the glass hatch 51 is closed.
Are the first and second long side walls 3 of the pin holes 3a2 of the rotating body 3.
It is not inserted into the pin hole 3a2 without being moved along a3, 3a4. However, the rotating body coupling portion 7a of the pin body 7 moved together with the glass hatch 51 in the closing direction of the glass hatch 51 elastically abuts on the sliding contact surface 3a1 of the rotating body 3 by the elastic repulsive force of the return spring 7b. Thereafter, the wiper switch of the wiper control circuit is turned on, and the rotating body 3 is rotated from the first position A to the second position B, so that the rotating body coupling portion 7a of the pin body 7 is turned on. After being brought into sliding contact with the sliding contact surface 3a1 of the rotating body 3, the rotating body 3 is inserted into the pin hole 3a2 of the rotating body 3 by the elastic repulsive force of the return spring 7b. Hole 3
The pivot arm 6 is reciprocally rotated together with the rotating body 3.

[0065]

As described above, according to the method of mounting the wiper device on the vehicle body according to the first, second, third, fourth, fifth and sixth aspects of the present invention, the positioning jig of the wiper motor fixed to the vehicle body panel is achieved. By inserting the positioning jigs through the pivot holder fixing hole of the opening and closing body and the positioning jig insertion and fixing bolt insertion holes of the pivot holder temporarily fixed to the opening and closing body, respectively, A pivot shaft supported by a pivot holder is arranged at the same center with respect to the output shaft of the wiper motor. And
At this position, the lock nut is tightened to the pivot shaft support portion of the pivot holder, so that the pivot shaft support portion of the pivot holder is fixed to the opening / closing body in a state where the pivot shaft is centered with respect to the output shaft of the wiper motor. After the positioning jig is pulled out of the positioning jig insertion hole of the wiper motor, the pivot holder fixing hole of the opening / closing body, and the positioning jig insertion / fixing bolt insertion hole of the pivot holder, the pivot holder fixing hole of the opening / closing body, The pivot holder is fixed to the opening / closing body by a fixing bolt using the positioning jig insertion / fixing bolt insertion hole of the pivot holder. Therefore, after the pivot shaft is centered with respect to the output shaft of the wiper motor with the positioning jig insertion hole of the wiper motor fixed to the vehicle body panel as a reference position, the pivot holder is fixed to the opening / closing body. The fixing to the vehicle body is performed without causing an error between the rotation range of the output shaft and the rotation range of the pivot shaft. Therefore, there is an excellent effect that the wiping range of the wiper blade can be obtained without error with respect to the rotation range of the output shaft of the wiper motor.

[Brief description of the drawings]

FIG. 1 is a side view of a vehicle mounting method for a wiper device according to an embodiment of the present invention when the vehicle is fixed.

FIG. 2 is a front view illustrating a relationship between a wiper blade and a rotating body in a method of mounting the wiper device shown in FIG. 1 on a vehicle body.

FIG. 3 is a front view of a wiper motor used in the vehicle body mounting method of the wiper device shown in FIG.

FIG. 4 is an internal structural view of a wiper motor used in the vehicle body mounting method of the wiper device shown in FIG.

FIG. 5 is a front view around a pivot shaft used in the method of attaching the wiper device shown in FIG. 1 to the vehicle body.

FIG. 6 is a partially cutaway side view for explaining the procedure of a method of attaching the wiper device shown in FIG. 1 to the vehicle body.

FIG. 7 is a partially broken side view for explaining the procedure of a method of attaching the wiper device shown in FIG. 1 to the vehicle body.

FIG. 8 is a partially cutaway side view for explaining the procedure of a method of attaching the wiper device shown in FIG. 1 to the vehicle body.

9 is a partially cutaway side view for explaining the procedure of a method of attaching the wiper device shown in FIG. 1 to the vehicle body.

FIG. 10 is a partially cutaway side view illustrating a procedure of a method of attaching the wiper device shown in FIG. 1 to the vehicle body.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Wiper device 2 Wiper motor 3 Rotating body 3a Rotating body main body 3a2 Pin hole 3a3 (Long part) First long side wall 3a4 (Long part) Second long side wall 3b Rotating plate 4 Pivot holder 4b Pivot shaft support Part 4c (positioning jig insertion / fixing bolt insertion hole) first positioning jig insertion / fixing bolt insertion hole 4d (positioning jig insertion / fixing bolt insertion hole) second positioning jig insertion Hole for passing and fixing bolt 5 Pivot shaft 6 Pivot arm 7 Pin body 7a Rotating body coupling part 7b Return spring 7c Holder 8 Wiper arm 9 Wiper blade 12a1 (Positioning jig insertion hole) First positioning jig insertion hole 12b1 (Positioning) Jig insertion hole) Second positioning jig insertion hole 17 Output shaft 20 Lock nut 21 Grommet 22 Damper 23 Constant bolt 30 motor unit 31 pivot portion 50 (vehicle body panel) rear gate panel 50a opening 51 (opening and closing member) glass hatch 51c pivot shaft insertion hole 51d pivot holder fixing holes 52 wiping surface 60 positioning jig

Claims (6)

[Claims] A wiper motor having an output shaft fixed in the vicinity of an opening formed in a vehicle body panel and reciprocatingly rotated by energization, having a positioning jig insertion hole formed therein, and coupled to an output shaft of the wiper motor. A motor unit comprising a rotating body that reciprocates between a first position and a second position by reciprocating rotation of the output shaft; a pivot shaft insertion hole and a pivot holder fixing hole having a wiping surface; A pivot that is formed and fixed to an opening and closing body that opens and closes by rotating with respect to the opening of the vehicle body panel, has a pivot shaft support portion, and has a hole for positioning jig insertion and fixing bolt insertion. A holder; a grommet which is fitted into a pivot shaft insertion hole of the opening / closing body and is attached to a pivot shaft support of the pivot holder; A lock nut, which comes into contact with the pivot and is screwed into the pivot shaft support portion of the pivot holder; a pivot holder fixing hole of the opening / closing body; and a positioning jig insertion / fixing bolt insertion hole of the pivot holder. A fixing bolt to be screwed; a pivot shaft rotatably mounted on a pivot shaft support portion of the pivot holder; a pivot shaft coupled to the pivot shaft; and a pivot shaft connected to a third position and a fourth position. A pivot arm that reciprocates between the pivot arm, a pin body attached to the pivot arm, the pin body having a rotating body coupling portion connectable to the rotating body of the motor unit, a wiper arm attached to the pivot shaft, and the wiper arm Mounted on the wiping surface of the opening and closing body, and reciprocatingly rotating the pivot shaft. A pivot portion comprising a wiper blade for wiping the wiping surface between the first reversing position and the second reversing position by movement; and when the rotating body is at the first position or the second position. The opening has a long portion arranged from the base end to the tip end, and when the opening / closing body is opened / closed, the rotating body connecting portion of the pin body is movably arranged, and the rotating body is turned. What is claimed is: 1. A wiper device having a pin hole formed in a rotating body which can be coupled to a rotating body coupling portion of a pin body when moving, wherein the wiper motor is fixed to a vehicle body panel, while a pivot shaft of the pivot holder is provided. The grommet attached to the support portion is fitted into the pivot shaft insertion hole of the opening / closing body, and the positioning jig insertion / fixing bolt insertion hole of the pivot holder is aligned with the pivot holder fixing hole of the opening / closing body. Grommet A first step of temporarily fixing the pivot holders to pivot shaft insertion hole of the opening and closing member by, while closing the closing member relative to the opening of the vehicle body panel,
By passing a positioning jig from the outside of the opening / closing body through a pivot holder fixing hole of the opening / closing body, a positioning jig insertion / fixing bolt insertion hole of the pivot holder, and a positioning jig insertion hole of the wiper motor, the wiper motor is moved. A second stroke for positioning the pivot shaft with respect to the output shaft, and a pivot holder fixing hole of the opening / closing body, a positioning jig insertion / fixing bolt insertion hole of the pivot holder, and a positioning jig insertion hole of the wiper motor. A third step of tightening the lock nut into the pivot shaft support portion of the pivot holder while passing the positioning jig; and a positioning jig insertion hole for the wiper motor, and a fixing jig for the pivot holder and a fixing bolt. Remove the positioning jig from the hole and the pivot holder fixing hole of the And a fourth step in which the fixing bolt is inserted into the pivot holder fixing hole, the positioning jig insertion / fixing bolt insertion hole of the pivot holder, and the pivot holder is fixed to the opening / closing body by the fixing bolt. Body mounting method of the wiper device. 2. A damper through which a positioning jig can be inserted between the pivot holder fixing hole of the opening / closing body and the positioning jig insertion / fixing bolt insertion hole of the pivot holder. The method according to claim 1, wherein the wiper device is mounted on a vehicle body. 3. A plurality of holes for inserting a positioning jig and fixing bolts of the pivot holder are arranged outside the pivot shaft support portion, and a wiper motor is used for inserting a positioning jig of the pivot holder and inserting fixing bolts. 3. The method according to claim 1, wherein the number of positioning jig insertion holes is equal to the number of holes. 4. A long portion of a pin hole formed in a rotating body,
When the opening / closing body is opened and closed when the wiper blade is at the first reversing position or the second reversing position, the length is selected so as not to be in contact with the rotating body coupling portion of the pin body. A vehicle body mounting method for the wiper device according to claim 1, 2, or 3. 5. The pin body has a rotating body coupling portion that can be inserted into a pin hole of the rotating body, and a closing member that is closed when the wiper blade is not at the first reversing position or the second reversing position. And a return spring capable of pressing the rotating body coupling portion until inserted into the pin hole of the rotating body, and a holder for holding the rotating body coupling portion and the return spring on the pivot arm. Item 5. A method for mounting a wiper device on a vehicle body according to any one of Items 1, 2, 3, and 4. 6. The rotating body includes a rotating body having a pin hole formed therein, and a rotating plate integrally connected to the rotating body and fixed to an output shaft of the wiper motor. 4. The method according to claim 1, wherein:
A vehicle body mounting method for a wiper device according to any one of the preceding claims.