JP2017094943A - Wiper unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a wiper unit capable of providing a power transmission member to be fixed to an output shaft on a lower position to the upper surface of a wiper motor.SOLUTION: A wiper unit includes: a long frame member 13; a vehicle body fixing member S having holder parts 11a, 12a for holding a pivot shaft 15 provided on the longer direction both end sides of the frame member 13, to which a wiper is connected, and fixed to the vehicle body; and a wiper motor in which a fixed state is kept by a bolt 25 to a motor fixing part 13a of a middle part in the longer direction of the frame member 13, and which has an output shaft 24 projecting upward. A head part 25a of the bolt 25 is positioned on the furthermore lower side than the position of the upper end of the motor fixing part 13a.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a wiper unit.

  Conventionally, a vehicle is provided with a wiper unit. The wiper unit includes a rod-shaped frame, a pair of pivot holders fixed to both ends of the frame and fixed to the vehicle body, and a wiper motor having an output shaft that is fixed to the middle portion in the longitudinal direction of the frame and protrudes upward. (For example, refer to Patent Document 1). In this wiper unit, a mounting portion is provided above the gear housing of the wiper motor, a frame and a cover are disposed above the mounting portion, and the wiper motor is attached to the frame by bolts (fastening members) penetrating the cover and the frame from above. It is fixed against.

JP 2011-102049 A

  However, in the wiper unit described above, the rod-shaped frame, the cover, and the head of the bolt (fastening member) are stacked above the gear housing, so that the drive link is fixed to the output shaft protruding upward. The power transmission member has to be bent upward (in a crank shape) so as to avoid collision with the head. This causes the vertical dimension of the wiper unit including the drive link (power transmission member) to increase (thickness increases), and further secures the bottom of the accommodation space of the wiper unit on the vehicle side. It causes the need to arise.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a wiper unit in which a power transmission member fixed to an output shaft can be provided at a low position with respect to the upper surface of the wiper motor. There is to do.

  A wiper unit that solves the above problems has a long rod-shaped portion and holder portions that are provided on both ends in the longitudinal direction of the rod-shaped portion and hold pivot shafts to which the wiper is connected, and are fixed to the vehicle body. A wiper unit comprising: a vehicle body fixing member; and a wiper motor having an output shaft that protrudes upward and is held in a fixed state by a fastening member at a motor fixing portion in a longitudinally intermediate portion of the rod-shaped portion, The head of the fastening member is at a position below the position of the upper end of the motor fixing portion.

  According to this configuration, since the head of the fastening member is at a position below the position of the upper end of the motor fixing portion, the power transmission member fixed to the output shaft protruding upward avoids a collision with the head. The power transmission member can be provided at a lower position with respect to the upper surface of the wiper motor.

  In the wiper unit, a lower extension portion extending downward from the holder portion side and the lower extension portion are provided between the holder portion near the motor fixing portion of the vehicle body fixing member and the motor fixing portion. It is preferable that an L-shaped portion including a laterally extending portion that extends laterally from the mounting portion and is connected to the motor fixing portion is provided.

  According to this configuration, between the holder portion on the side close to the motor fixing portion of the vehicle body fixing member and the motor fixing portion, a downward extending portion extending downward from the holder portion side and a side extending from the downward extending portion are lateral. Since the L-shaped portion including the side extending portion connected to the motor fixing portion is provided, the power transmission member fixed to the output shaft can be provided at a low position with respect to the upper surface of the wiper motor. That is, for example, when the holder part and the motor fixing part are obliquely linearly connected, the power transmission member is bent upward in order to prevent the power transmission member from colliding with the oblique part. Although it is necessary, this can be avoided and the power transmission member can be provided at a low position.

  In the wiper unit, the vehicle body fixing member includes a hollow pipe-shaped pipe member that includes the motor fixing portion and forms the rod-shaped portion, and a holder portion that is fixed to both ends of the pipe member. It is preferable to have a pair of pivot holders.

  According to this configuration, the vehicle body fixing member includes a hollow pipe-like pipe member having a motor fixing portion and forming a rod-like portion, and a pair of pivot holders having a holder portion and fixed to both ends of the pipe member. Therefore, for example, the motor fixing portion can be reduced in weight and cost as compared with a non-hollow pipe-shaped (that is, solid and rod-shaped).

  In the wiper unit, the wiper motor has a positioning projection, and the pipe member is a single hole in a circumferential direction at a longitudinal position corresponding to the positioning projection, and the positioning projection is It is preferable to have a positioning hole for fitting.

  According to the same configuration, the wiper motor has the positioning protrusion, and the pipe member has a positioning hole that is a single hole in the circumferential direction and fits the positioning protrusion at a longitudinal position corresponding to the positioning protrusion. Therefore, for example, dust and liquid do not enter the inside of the pipe member. That is, for example, when a positioning hole is manufactured in a pipe member, if the hole is also manufactured at a position 180 ° apart from the positioning hole, dust or liquid may enter the pipe member from the hole. On the other hand, in the above configuration, the positioning hole is a single hole in the circumferential direction, so that the positioning hole is closed by fitting the positioning projection, and dust or liquid is put inside the pipe member. Intrusion is prevented.

  In the wiper unit, the wiper motor has a pair of positioning protrusions, and the pipe member is positioned at a longitudinal position corresponding to the pair of positioning protrusions at different positions in the longitudinal direction. A pair of positioning holes, into which the protrusions fit; the pair of positioning protrusions are provided at different positions in the vertical direction; one of the positioning protrusions is in contact with the upper end of the one positioning hole; It is preferable that the positioning protrusion is set so as to contact the lower end of the other positioning hole.

  According to the configuration, the pair of positioning protrusions are provided at different positions in the vertical direction, one positioning protrusion contacts the upper end of the one positioning hole, and the other positioning protrusion is the other. Therefore, for example, it is possible to perform high-accuracy positioning that can be easily manufactured while preventing rattling. That is, for example, in a configuration in which a pair of positioning projections are provided at the same position in the vertical direction and are provided as a simple circle when viewed from the protruding direction, the center position and the entire circular shape are highly accurate to prevent rattling. In contrast to this, in the above configuration, one positioning protrusion is only at the upper end position, and the other positioning protrusion is only at the lower end position. It becomes possible.

  In the wiper unit, the pipe member has a pair of fixing holes through which shaft portions of the fastening member penetrate on both outer sides of a longitudinal range in which the pair of positioning holes are provided, and the fastening member Is a male screw member having a male screw in the shaft portion, and the contact position between the positioning protrusion and the positioning hole is a direction along the rotational direction for screwing the male screw member at a close position, respectively. Is preferably set on the opposite side.

  According to the same configuration, the contact position between the positioning protrusion and the positioning hole is set on the side opposite to the direction along the rotational direction for screwing the male screw member at a position close thereto, When the male screw member is screwed together, it is possible to prevent the pipe member from being rotated and the contact state between the positioning projection and the positioning hole being non-contacted and fixed. In other words, the positioning protrusion and the positioning hole can be fixed while being in an appropriate contact state.

  In the wiper unit of the present invention, the power transmission member fixed to the output shaft can be provided at a lower position than the upper surface of the wiper motor.

The perspective view of the wiper unit in one embodiment. The partial top view of the wiper unit in one embodiment. (A) is a partial perspective view of the frame member in one embodiment. FIG. 3B is a cross-sectional view taken along the line AA in FIG. The side view for demonstrating the motor fixing | fixed part of the frame member in one Embodiment. Sectional drawing of the site | part corresponding to the attachment leg in one Embodiment. The perspective view of the wiper unit in another example.

Hereinafter, an embodiment of a wiper unit for a vehicle will be described with reference to FIGS.
As shown in FIG. 1, the wiper unit includes two pivot holders 11 and 12, a long rod-like portion and a hollow pipe-like frame member 13 as a pipe member, a wiper motor M, and a drive lever as a power transmission member. 14 and two link rods R1, R2. In this embodiment, the two pivot holders 11 and 12 and the frame member 13 constitute a vehicle body fixing member S.

  A motor fixing portion 13a is provided in the longitudinal direction intermediate portion of the frame member 13, and a wiper motor M is fixed to the motor fixing portion 13a. Further, pivot holders 11 and 12 are fixed to both ends of the frame member 13 by caulking or the like, respectively. The pivot holders 11 and 12 are integrally molded products (for example, die-cast molded parts such as aluminum alloy) made of a metal material, and have a substantially cylindrical shape that rotatably holds a pivot shaft 15 to which a wiper (not shown) is connected. It has holder parts 11a and 12a. The pivot holders 11 and 12 are holder body fixing portions 11b and 12b extending radially outward from a part of the outer peripheral part of the holder parts 11a and 12a, and a part of the outer peripheral part of the holder parts 11a and 12a. The holder body fixing portions 11b and 12b have frame fixing portions 11c and 12c extending from the opposite side. A rubber bush 16 is attached to the holder vehicle body fixing portions 11b and 12b, and the vehicle body fixing member S is fixed to the vehicle body by bolts or the like penetrating the rubber bush 16 and the holder vehicle body fixing portions 11b and 12b. Become. Further, the frame fixing portion 11c on the side close to the motor fixing portion 13a (left side in FIG. 1) has a downward extending portion 11d extending downward from the holder portion 11a, and pivots from the lower end portion of the downward extending portion 11d. A portion extending laterally toward the holder 12 is fitted into one end portion of the hollow pipe-shaped frame member 13 and crimped from the outside of the frame member 13 to be fixed. In this embodiment, one end side (left side in FIG. 1) of the frame member 13 that connects the lower end of the downwardly extending portion 11d and the motor fixing portion 13a constitutes the laterally extending portion 13b, and the downwardly extending portion is provided. The portion 11 d and the laterally extending portion 13 b constitute an L-shaped portion 17. Further, the frame member 13 of the present embodiment is formed so that the other end side (the right side in FIG. 1) extends obliquely upward. The frame fixing portion 12c on the side far from the motor fixing portion 13a (right side in FIG. 1) extends obliquely downward and is fitted into the other end portion of the hollow pipe-shaped frame member 13 so as to be fitted from the outside of the frame member 13. It is crimped and fixed. A swing lever 15a extending in a direction perpendicular to the axis is fixed to the lower end of each pivot shaft 15 protruding from the lower end of the holder portions 11a, 12a.

  The wiper motor M includes a motor body 21 and a speed reduction unit 22. The motor main body 21 rotationally drives an internal rotor (not shown) by supplying a drive current from an external power source. The speed reduction part 22 is a gear housing 23 fixed to the motor body 21, a speed reduction mechanism such as a worm speed reduction gear (not shown) provided inside the gear housing 23 for reducing the rotation of the rotor, and a gear connected to the speed reduction mechanism. And an output shaft 24 protruding from the housing 23. The axis L1 of the output shaft 24 is set in a direction substantially parallel to the axis of the pivot shaft 15, and in this embodiment, the direction in which the output shaft 24 and the pivot shaft 15 protrude is upward.

  As shown in FIG. 2, the gear housing 23 is in a direction perpendicular to the axis L1 of the output shaft 24 and perpendicular to the axis L2 of the rotor of the motor body 21 (in other words, accommodated in the gear housing 23). A pair of mounting legs 23a are provided on the side of the worm speed reducer opposite to the side where the worm is disposed. In the gear housing 23, the mounting leg 23a is fastened and fixed to the motor fixing portion 13a of the frame member 13 by a bolt 25 and a nut 26 (see FIGS. 2 and 5) as a fastening member and a male screw member, and the fixed state is maintained. Has been. The bolt 25 includes a head portion 25a and a shaft portion 25b having a male screw.

  As shown in FIG. 1, the base end portion of the drive lever 14 having a flat plate shape (a shape having a single plane) is fixed to the distal end portion of the output shaft 24. The base end part of link rod R1 is connected so that rotation is possible. The other end (right side in FIG. 1) of the pivot holder 12 is pivotally connected to the tip of the link rod R1. Both swing levers 15a are connected by a link rod R2, and they are driven (swing) synchronously. The end portions of the link rods R1, R2 are drivingly connected via ball joints.

Here, in this embodiment, the head 25a of the bolt 25 is provided at a position below the position of the upper end of the motor fixing portion 13a in the frame member 13.
Specifically, as shown in FIGS. 3A and 3B, the motor fixing portion 13a of the frame member 13 has a pair of positioning holes 13c and a pair of fixing holes 13d. Each positioning hole 13c is formed at a different position in the longitudinal direction of the frame member 13 (motor fixing portion 13a) and is formed at the same circumferential position, and each is positioned in the circumferential direction (no other hole is formed). It is formed as a single hole and is formed in a circular shape when viewed from the penetration direction. The fixing holes 13d are formed on both outer sides of the longitudinal range where the pair of positioning holes 13c are provided, and are formed at the same circumferential position, and each pair has a spacing of 180 ° in the circumferential direction. (That is, penetrating through the entire motor fixing portion 13a) and formed in a circular shape when viewed from the penetrating direction.

  On the other hand, as shown in FIGS. 2 and 4, the gear housing 23 includes positioning protrusions 23 b and 23 c that fit into the positioning holes 13 c at positions corresponding to the positioning holes 13 c between the pair of mounting legs 23 a. Have

  As shown in FIG. 5, the mounting leg 23 a of the gear housing 23 has a receiving surface 23 d that comes into contact with a part of the outer periphery of the frame member 13 (motor fixing portion 13 a) (in the present embodiment, a range of 180 °). The receiving surface 23d is formed in an arcuate concave shape that opens laterally (in the direction orthogonal to the axis L1 of the output shaft 24). Further, the mounting leg 23a of the gear housing 23 has a nut housing portion 23e opened upward (in the same direction as the protruding direction of the output shaft 24). The gear housing 23 receives (contacts) the motor fixing portion 13a on the receiving surface 23d, and the bolts 25 are attached to the washer 27 and the fixing hole 13d with the positioning protrusions 23b and 23c fitted in the positioning holes 13c. And is fastened and fixed to the motor fixing portion 13a by being screwed into the nut 26 accommodated in the nut accommodating portion 23e. The drive lever 14 of the present embodiment is provided so as to pass above the motor fixing portion 13a, the head 25a of the bolt 25, and the like when driven (turned). That is, even if the wiper motor M, more specifically, the gear housing 23 is directly fixed (proximity fixed) to the frame member 13 (motor fixing portion 13a), the bolt 25 is a motor from the direction intersecting the output shaft 24 (substantially orthogonal direction). Since it is fastened and fixed to the fixing portion 13a, the head portion 25a of the bolt 25 is positioned below the upper end of the motor fixing portion 13a (does not protrude from the upper end of the motor fixing portion 13a), and the drive lever 14 is driven to rotate. It can drive without interfering with the head 25a of the bolt 25.

  Further, the pair of positioning protrusions 23b and 23c of the present embodiment are provided at different positions in the vertical direction of the gear housing 23 (in the direction of the axis L1 of the output shaft 24), and one (left side in FIG. 4) positioning protrusion. 23b is set to contact the upper end of one positioning hole 13c, and the other (right side in FIG. 4) positioning projection 23c is set to contact the lower end of the other positioning hole 13c. Specifically, each of the positioning protrusions 23b and 23c is formed in a circular shape having a diameter smaller than that of the positioning hole 13c when viewed from the protruding direction. The positioning protrusions 23b and 23c are provided at different positions in the vertical direction (in the direction of the axis L1 of the output shaft 24) when viewed from the protruding direction. The positioning protrusion 23b on one side (left side in FIG. 4) is formed on the basis of the upper end position (contact position with the positioning hole 13c) so that the upper end position thereof is highly accurate, and the other (FIG. 4). 4, the positioning protrusion 23c on the right side is shaped with reference to the lower end position so that the lower end position (contact position with the positioning hole 13c) is highly accurate. Further, the contact positions (the upper end position or the lower end position) between the positioning projections 23b and 23c and the positioning hole 13c are rotational directions for screwing the bolts 25 at close positions, respectively (in FIG. 4). , (See arrow K)). That is, in FIG. 4, the contact position between one positioning protrusion 23b (left side in FIG. 4) and one positioning hole 13c is close, and the bolt 25 on one side (left side in FIG. 4) is screwed. It is set on the upper side which is the opposite side to the direction along the rotation direction (see arrow K in FIG. 4). Further, in FIG. 4, the contact position between the other positioning protrusion 23c (right side in FIG. 4) and the other positioning hole 13c is screwed with the other bolt 25 (right side in FIG. 4). It is set on the lower side opposite to the direction along the rotation direction (see arrow K in FIG. 4).

Next, the operation of the wiper unit configured as described above will be described.
For example, when a wiper switch provided in the driver's seat is operated, a drive current is supplied to the motor body 21, and the output shaft 24 and the drive lever 14 are rotationally driven. Then, the power is transmitted to each swing lever 15 a via the link rods R 1 and R 2, and each pivot shaft 15 is rotated and fixed to each pivot shaft 15 by reciprocally swinging each swing lever 15 a. The wiper reciprocally swings synchronously, and the wiping operation is performed.

Next, the characteristic effects of the above embodiment will be described below.
(1) Since the head portion 25a of the bolt 25 is at a position below the upper end position of the motor fixing portion 13a (see FIG. 5), the drive lever 14 fixed to the output shaft 24 protruding upward is connected to the head portion 25a. The drive lever 14 can be provided at a lower position than the upper surface J of the wiper motor M (gear housing 23). That is, the height from the upper surface J of the wiper motor M (gear housing 23) to the drive lever 14 can be set lower than that bent upward, for example. In other words, since the bolt 25 is fastened and fixed to the motor fixing portion 13a from the direction intersecting the output shaft 24 (substantially orthogonal direction), the head portion 25a of the bolt 25 is positioned below the upper end of the motor fixing portion 13a. The drive lever 14 can be driven without interfering with the head 25a of the bolt 25 without bending the drive lever 14 upward (without protruding from the upper end of the motor fixing portion 13a). As a result, the vertical dimension of the wiper unit (wiper motor M) including the drive lever 14 can be reduced (thinner thickness is reduced), and the bottom of the accommodation space of the wiper unit can be made shallower on the vehicle side.

  (2) Between the holder portion 11a on the side close to the motor fixing portion 13a and the motor fixing portion 13a, a lower extending portion 11d extending downward from the holder portion 11a side and a pivot from a lower end portion of the lower extending portion 11d Since the L-shaped portion 17 including the laterally extending portion 13b that extends laterally toward the holder 12 and is connected to the motor fixing portion 13a is provided, the drive lever 14 is moved with respect to the upper surface J of the wiper motor M (gear housing 23). Can be provided at a low position. That is, for example, when the holder portion 11a and the motor fixing portion 13a are obliquely linearly connected, the drive lever 14 is bent upward to avoid the drive lever 14 colliding with the oblique portion. Although it is necessary to avoid this, the drive lever 14 can be provided at a low position by avoiding this.

  (3) Since the vehicle body fixing member S includes a hollow pipe-shaped frame member 13 having a motor fixing portion 13a and a pair of pivot holders 11 having a holder portion 11a and fixed to both ends of the frame member 13, For example, the motor fixing portion 13a can be reduced in weight and cost as compared with a non-hollow pipe shape (that is, a solid and rod shape).

  (4) The wiper motor M (gear housing 23) has positioning protrusions 23b and 23c, and the frame member 13 has a single hole in the circumferential direction at a longitudinal position corresponding to the positioning protrusions 23b and 23c. Since the positioning projections 23b, 23c are provided with the positioning holes 13c, for example, dust and liquid do not enter the frame member 13. That is, for example, when the positioning hole 13 c is manufactured in the frame member 13, if a hole is also manufactured at a position 180 ° apart from the positioning hole 13 c, dust or liquid is introduced into the frame member 13 from the hole. However, since the positioning hole 13c is a single hole in the circumferential direction in the above configuration, the positioning hole 13c is closed by fitting the positioning projections 23b and 23c, and the inside of the frame member 13 is inserted. Prevents dust and liquids from entering

  (5) The pair of positioning projections 23b and 23c are provided at different positions in the vertical direction. One positioning projection 23b contacts the upper end of one positioning hole 13c, and the other positioning projection 23c is the other. Since positioning is performed by contacting the lower end of the positioning hole 13c, for example, high-accuracy positioning that can be easily manufactured and that prevents rattling is possible. That is, for example, in a configuration in which a pair of positioning projections are provided at the same position in the vertical direction and are provided as a simple circle when viewed from the protruding direction, the center position and the entire circular shape are highly accurate to prevent rattling. Although it is necessary to manufacture, in the above configuration, if one positioning protrusion 23b is manufactured only at the upper end position and the other positioning protrusion 23c is manufactured only at the lower end position, the positioning can be performed with high accuracy while preventing rattling. .

  (6) The contact positions of the positioning protrusions 23b and 23c and the positioning hole 13c are the directions along the rotation direction (see arrow K in FIG. 4) for screwing the bolts 25 at close positions. Is set on the opposite side. Therefore, when the bolt 25 is screwed into the nut 26, the frame member 13 is rotated and the contact state between the positioning projections 23b, 23c and the positioning hole 13c is prevented from being non-contacted and fixed. be able to. In other words, the positioning protrusions 23b and 23c and the positioning hole 13c can be fastened and fixed while being in an appropriate contact state.

The above embodiment may be modified as follows.
In the above embodiment, the hollow pipe-shaped frame member 13 has the motor fixing portion 13a. However, the present invention is not limited to this. For example, as shown in FIG. 6, one pivot holder 31 has the motor fixing portion 31a. It is good also as a structure which has. That is, in this example (see FIG. 6), a motor fixing portion 31a extending from the lower end portion of the downwardly extending portion 11d of one pivot holder 31 to the other pivot holder 12 side (right side in FIG. 6) is formed. . And the end of the frame member 32 is being fixed to the front end side rather than the motor fixing | fixed part 31a. Even if it does in this way, the effect similar to the effect (1) of the said embodiment can be acquired. Further, the hollow pipe-shaped frame member 13 may be a frame member having a U-shaped cross section perpendicular to the longitudinal direction, or may be a frame member having another cross-sectional shape.

  In the above embodiment, the L-shaped portion 17 (the downward extending portion 11d and the side extending portion 13b) is provided between the holder portion 11a on the side close to the motor fixing portion 13a and the motor fixing portion 13a. For example, the holder portion 11a and the motor fixing portion 13a may be obliquely linearly connected.

  -In the said embodiment, when the frame member 13 has the positioning hole 13c which is a single hole in the circumferential direction at the longitudinal position corresponding to the positioning protrusions 23b and 23c and into which the positioning protrusions 23b and 23c fit. However, the present invention is not limited to this, and holes may be provided at positions 180 ° apart from the positioning holes 13c.

  In the above embodiment, the pair of positioning projections 23b and 23c are provided at different positions in the vertical direction, and one positioning projection 23b contacts the upper end of one positioning hole 13c and the other positioning projection 23c. In this example, positioning is performed by contacting the lower end of the other positioning hole 13c. However, the present invention is not limited to this, and other configurations may be used. For example, a pair of positioning projections may be provided in the same position in the vertical direction while being provided as a simple circle when viewed from the protruding direction, and positioning with the positioning hole 13c may be performed.

  In the above-described embodiment, the contact positions of the positioning protrusions 23b and 23c and the positioning hole 13c are along the rotation direction (see arrow K in FIG. 4) for screwing the bolts 25 at close positions. However, the present invention is not limited to this and may be set in the opposite direction. In this case, when the bolts 25 are screwed into the nuts 26, it is necessary to assemble them while being restricted by other means so that the frame member 13 does not rotate. Further, the bolt 25 may be changed to a rivet that is another fastening member to avoid the accompanying rotation.

  DESCRIPTION OF SYMBOLS 11, 12 ... Pivot holder, 11a, 12a ... Holder part, 11d ... Downward extension part, 13 ... Frame member (bar-shaped part and pipe member), 13a, 31a ... Motor fixing part, 13b ... Side extension part, 13c ... Positioning 13d ... fixing hole, 15 ... pivot shaft, 17 ... L-shaped portion, 23b, 23c ... positioning projection, 24 ... output shaft, 25 ... bolt (fastening member and male screw member), 25a ... head, 25b ... Shaft portion, M: wiper motor, S: body fixing member.

Claims (6)

A vehicle body fixing member that has a long rod-like portion and a holder portion that holds a pivot shaft that is provided on both ends in the longitudinal direction of the rod-like portion and to which a wiper is connected;
A wiper unit comprising a wiper motor having an output shaft protruding upward, the fixed state being held by a fastening member at a motor fixing portion at a longitudinally intermediate portion of the rod-shaped portion,
The wiper unit characterized in that the head of the fastening member is at a position below the position of the upper end of the motor fixing portion. The wiper unit according to claim 1,
Between the holder portion on the side of the vehicle body fixing member near the motor fixing portion and the motor fixing portion, a downward extending portion extending downward from the holder portion side and a side extending from the downward extending portion. A wiper unit comprising an L-shaped portion including a laterally extending portion connected to the motor fixing portion. The wiper unit according to claim 1 or 2,
The vehicle body fixing member includes a hollow pipe-shaped pipe member having the motor fixing portion and constituting the rod-shaped portion, and a pair of pivot holders having the holder portion and fixed to both ends of the pipe member. A wiper unit characterized by that. The wiper unit according to claim 3,
The wiper motor has a positioning protrusion,
The wiper unit according to claim 1, wherein the pipe member has a positioning hole, which is a single hole in the circumferential direction and fits the positioning protrusion at a longitudinal position corresponding to the positioning protrusion. The wiper unit according to claim 3 or 4,
The wiper motor has a pair of positioning protrusions,
The pipe member has a pair of positioning holes in which the positioning protrusions are respectively fitted at longitudinal positions corresponding to the pair of positioning protrusions at different positions in the longitudinal direction,
The pair of positioning protrusions are provided at different positions in the vertical direction, one positioning protrusion is in contact with the upper end of one positioning hole, and the other positioning protrusion is in the other positioning hole. A wiper unit that is set to contact the lower end. The wiper unit according to claim 5,
The pipe member has a pair of fixing holes through which the shaft portion of the fastening member passes on both outer sides of the longitudinal range in which the pair of positioning holes are provided,
The fastening member is a male screw member having a male screw in the shaft portion;
The contact position between the positioning protrusion and the positioning hole is set on the opposite side to the direction along the rotational direction for screwing the male screw member at a close position. Wiper unit.