JP6136291B2 - Wiper bracket mounting structure - Google Patents

Description

  The present invention relates to a mounting structure for a wiper bracket that supports a wiper used in a vehicle.

  2. Description of the Related Art Conventionally, a structure in which a pivot shaft to which a wiper arm and a blade of a wiper device are attached is rotatably supported by a wiper bracket, and the wiper bracket is attached to a vehicle body member at the front of a vehicle (see Patent Document 1). Here, the above-described vehicle body members are a hood ridge located near the suspension tower portion on the side of the vehicle body and a cowl panel located near the lower end of the front window. The front end of the wiper bracket is attached to the hood ridge, and the rear end of the wiper bracket is attached to the end of the cowl panel in the vehicle width direction.

JP-A-11-217061

  In the conventional structure described above, the wiper bracket extends along the front-rear direction of the vehicle body between the hood ridge on the front side of the vehicle body and the cowl panel on the rear side of the vehicle body. For this reason, the wiper bracket does not contribute much to the rigidity improvement of the front compartment in front of the passenger compartment, and it is difficult to improve the vehicle system vibration.

  Therefore, an object of the present invention is to obtain a wiper bracket mounting structure capable of improving the vehicle system vibration.

According to the present invention, the wiper bracket of the wiper device includes a first vehicle body member positioned laterally in the front compartment, and a vehicle width direction central portion of the second vehicle body member positioned between the front compartment and the vehicle compartment. It is characterized by being installed across a bridge.
The wiper bracket includes a base portion to which the wiper device is attached, and a first connecting member that extends from the one side portion of the base portion to the outside in the vehicle width direction and is connected to the first vehicle body member. A second connecting member that extends inward and rearward in the vehicle width direction from the other side of the base portion and is connected to the second vehicle body member; and the base that is connected to the second vehicle body member. And an end portion of the base portion on the vehicle body rear side.

  According to the present invention, the wiper bracket can be provided with a function as a tower bar by attaching the wiper bracket across the vehicle width direction central portion of the first vehicle body member at the front of the vehicle body and the second vehicle body member at the rear of the vehicle body. it can. That is, the rigidity of the corner portion of the front compartment can be improved by the wiper bracket. Thus, by improving the rigidity of the front compartment, it becomes possible to improve the vehicle system vibration.

It is a perspective view which shows the attachment structure of the wiper bracket concerning the 1st Embodiment of this invention. FIG. 2 is a cross-sectional view of the wiper bracket mounting structure of FIG. 1 as viewed from the left side in the vehicle width direction. It is a perspective view which shows the state which attached the wiper unit to the wiper bracket of FIG. FIG. 2 is a front view of the wiper bracket mounting structure of FIG. 1 viewed from the front side of the vehicle body. FIG. 2 is a plan view of the wiper bracket mounting structure of FIG. 1 as viewed from above the vehicle body including both sides in the vehicle width direction. It is a perspective view which shows the attachment structure of the wiper bracket concerning the 2nd Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  In the wiper bracket mounting structure according to the first embodiment, as shown in FIGS. 1 and 2, a partition wall in which a vehicle compartment 1 and a front compartment 3 positioned in front of the vehicle compartment 1 are vertically extended. It is partitioned off by a dash panel 5 serving as a member. As shown in FIG. 2, the upper portion of the dash panel 5 has a front bent portion 5 a that is bent slightly upward in front of the vehicle body, and the front end portion of the front bent portion 5 a is bonded to the back surface of the front window shield panel 7. It is bonded and fixed with an agent. 1 and 2 and other drawings, the direction indicated by the arrow FR is the front of the vehicle body, the direction indicated by the arrow LH is the left side of the vehicle body, and the direction indicated by the arrow UP is the upper side of the vehicle body.

  A dash cross member 9 having a hat-shaped cross section extending in the vehicle width direction is joined and fixed to the front compartment 3 side of the dash panel 5 by upper and lower flanges 9a and 9b. On the front surface 9c of the dash cross member 9 opposite to the dash panel 5, the end portion 11a on the vehicle body rear side of the upper and lower partition plates 11 that partitions the front compartment 3 into upper and lower regions (spaces) 3a and 3b is joined and fixed. Yes. An end portion 11b of the upper and lower partition plates 11 on the front side of the vehicle body is joined and fixed to a vehicle body structural member (not shown) at the front of the vehicle body.

  As shown in FIG. 1, side members 13 extending in the longitudinal direction of the vehicle body are arranged on both sides in the vehicle width direction, and the dash cross member 9 and the upper and lower partition plates 11 described above are disposed between the left and right side members 13. The left and right side members 13 are connected to each other. 1 shows the attachment structure of the wiper bracket on the left side of the vehicle body, the right side of the vehicle body is symmetrical with respect to the left side of the vehicle body in FIG. The following description is given with respect to the wiper bracket on the left side of the vehicle body. In FIG. 2, the side member 13 is omitted.

  The lower part of the strut tower 15 is joined to the outer side of the side member 13 in the vehicle width direction, and the upper part of the strut tower 15 is the inner side in the vehicle width direction of the hood ridge 17 that supports both side edges of the hood 59 shown in FIG. It is joined to. The position of the strut tower 15 in the longitudinal direction of the vehicle body substantially corresponds to the end portion 11b of the vertical partition plate 11 on the vehicle body front side. Further, a wheel house 19 that houses a front wheel (not shown) is disposed between the side edge of the strut tower 15 on the vehicle body rear side and the dash panel 5. The wheel house 19 has an inner side in the vehicle width direction joined to the upper surface of the side member 13 via a flange 19a, and an outer side in the vehicle width direction joined to the lower inner surface of the front pillar 21.

  Here, in the present embodiment, a wiper bracket 25 for attaching the wiper device 23 shown in FIG. 3 to the vehicle body member is provided, and the wiper bracket 25 has a base portion 27 having a substantially triangular shape as shown in FIG. I have. A trapezoidal pedestal 29 is fixed on the base 27 and a wiper device 23 is attached on the pedestal 29 as shown in FIG. The base portion 27 is inclined so that the front side of the vehicle body and the pedestal 29 are located at a lower position in the vehicle body vertical direction than the rear side of the vehicle body.

  On the other hand, the wiper device 23 shown in FIG. 3 has a base portion 31 fixed on a pedestal 29, and a pivot shaft support portion 31a is formed in a cylindrical shape on the side opposite to the pedestal 29 of the base portion 31. The pivot shaft support portion 31a is provided with a through hole, and the pivot shaft 33 is rotatably inserted into the through hole. The pivot shaft 33 protrudes from the pivot shaft support portion 31a, and a wiper unit 35 is attached to the protruding portion. That is, the pivot shaft 33 and the wiper unit 35 rotate together.

  The wiper unit 35 includes a wiper arm 37 and a wiper blade (not shown) mounted on the distal end side of the wiper arm 37. The pivot shaft 33 is inserted and fixed in a support hole formed in the base end portion 37a of the wiper arm 37. ing. A wiper motor 39 is attached to the vehicle body front side of the base portion 31 of the wiper device 23, and the wiper motor 39 and the pivot shaft 33 in the pivot shaft support portion 31a are connected via a reduction mechanism (not shown). In other words, the wiper motor 39 is driven to rotate the wiper unit 35 via the speed reduction mechanism and the pivot shaft 33 to wipe away raindrops and the like on the surface of the front window shield panel 7.

  In the wiper bracket 25 described above, one end 41a of the first connecting member 41 and one end 43a of the second connecting member 43 are respectively attached to the left and right side surfaces of the base portion 27 on the front side of the vehicle body. . As shown in FIG. 5, the first connecting member 41 located on the left side of the vehicle body (right side in FIG. 1) is located on the outer side in the vehicle width direction and slightly forward of the vehicle body from the attachment portion of one end 41 a to the base portion 27. A main body 41b extending obliquely toward the head is provided.

  The other end 41c bent from the main body 41b toward the outside in the vehicle width direction is joined and fixed to the first mounting piece 45. The first attachment piece 45 has a side wall portion 45a joined to the outer side in the vehicle width direction of the other end portion 41c, and a front and rear wall that bends and extends outward from the end portion of the side wall portion 45a toward the vehicle width direction. Part 45b. The front and rear wall portions 45b are fastened and fixed to the side surface 15a of the strut tower 15 on the vehicle body front side by using bolts 47 as fastening members. In addition, without using the first mounting piece 45, the end 41c of the first connecting member 41 is bent outward in the vehicle width direction, and the bent end 41c is directly attached to the side surface 15a of the strut tower 15. May be.

  The second connecting member 43 located on the vehicle body right side (left side in FIG. 5) of the wiper bracket 25 on the left side in the vehicle width direction (right side in FIG. 5) is attached to the vehicle body from the attachment portion of one end 43a to the base portion 27. A main body 43b extending rearward and obliquely rearward in the vehicle width direction and slightly inward is provided. The other end 43c that bends inward in the vehicle width direction from the main body 43b is attached to the second attachment piece 49. The second mounting piece 49 includes a bottom wall portion 49a joined to the upper surface of the dash cross member 9, and a vertical wall portion 49b that bends and extends upward from an end of the bottom wall portion 49a on the vehicle body front side. ing. The other end 43c of the second connecting member 43 is brought into contact with the vehicle body front side of the vertical wall portion 49b and is fastened and fixed using a bolt 51 as a fastening member. Instead of using the second attachment piece 49, the end portion 43c of the second connecting member 43 may be appropriately bent and the bent end portion 43c may be directly attached to the dash cross member 9.

  As shown in FIG. 4, the mounting portion of the first connecting member 41 to the strut tower 15 through the first mounting piece 45 and the dash cross through the second connecting piece 49 of the second connecting member 43. The height position in the vertical direction is substantially equal to that of the attachment portion to the member 9. In FIG. 4, the attachment portion to the strut tower 15 is positioned slightly above the attachment portion to the dash cross member 9, but the shape of the first connecting member 41 is changed, for example, to the strut tower 15. The height position in the vertical direction can be made equal by moving the mounting portion downward as appropriate.

  Further, the base portion 27 of the wiper bracket 25 has a rear end bent portion 27a whose end on the rear side of the vehicle body is bent toward the upper side of the vehicle body, and the rear end bent portion 27a is attached to the third attachment piece 53. . As shown in FIG. 2, the third attachment piece 53 includes a dash panel side joint portion 53 a that is joined to the lower surface of the front bent portion 5 a of the dash panel 5, and a vehicle body front side of the dash panel side joint portion 53 a. And a vertical wall portion 53b that bends and extends downward from the end portion. The rear end bent portion 27a of the base portion 27 is brought into contact with the vertical wall portion 53b from the front side of the vehicle body and is fastened and fixed by a bolt 55 as a fastening member. Instead of using the third attachment piece 53, the rear end bent portion 27 a of the base portion 27 may be appropriately changed in shape, and the rear end bent portion 27 a having the changed shape may be directly attached to the dash panel 5.

  Here, the strut tower 15 constitutes a first vehicle body member provided on the side in the vehicle width direction in the front compartment 3, and a part of the wiper bracket 25 (the first connection member 41) is formed on the first vehicle body member. ) Is attached. On the other hand, the dash panel 5 including the dash cross member 9 constitutes a second vehicle body member disposed between the front compartment 3 and the passenger compartment 1, and the second vehicle body member has a vehicle width direction central portion at the center. A part of the wiper bracket 25 (second connecting member 43) is attached.

  That is, the wiper bracket 25 includes a first vehicle body member provided on the side in the front compartment 3 and a vehicle width direction central portion of the second vehicle body member disposed between the front compartment 3 and the vehicle compartment 1. It is installed across the bridge.

  In the wiper bracket mounting structure as described above, the wiper bracket 25 is mounted across the strut tower 15 and the center portion in the vehicle width direction of the dash panel 5 as shown in FIG. The wiper bracket 25 attached in this manner can have a function as a power bar for connecting the left and right strut towers 15 with a conventional structure. That is, the rigidity of the corner portion of the front compartment 3 can be improved by the wiper bracket 25. Thus, by improving the rigidity of the front compartment 3, the torsional rigidity particularly during cornering traveling of the vehicle is increased, and the vehicle system vibration can be improved.

  Moreover, in this embodiment, the attachment part with the strut tower 15 which is the 1st vehicle body member in the wiper bracket 25 and the attachment part with the vehicle width direction center part of the dash panel 5 which is the 2nd vehicle body member are equivalent height. Has been placed. Thus, by attaching the wiper bracket 25 to the vehicle width direction center portion of the dash panel 5 and the strut tower 15 so that the respective attachment portions have the same height, the function of the wiper bracket 25 as a power bar is further improved. Can be made. As a result, the rigidity of the front compartment 3 can be further improved, and the vehicle system vibration can be further improved.

  In the present embodiment, a pair of wiper brackets 25 are provided at the left and right corners of the front compartment 3. In this way, by providing the wiper brackets 25 at the left and right corners of the front compartment 3, the rigidity of the front compartment 3 can be further improved, which can contribute to the improvement of the vehicle system vibration.

  The first vehicle body member to which the above-described wiper bracket 25 is attached is not limited to the strut tower 15 but may be, for example, a hood ridge 57 that is a vehicle body member constituting the vehicle body side portion as shown in FIG. 6 as the second embodiment. . The hood ridge 57 constitutes a first vehicle body member provided on the side in the front compartment 3, and the first connecting member 41, which is a part of the wiper bracket 25, is attached to the inner wall surface 57 a of the hood ridge 57. .

  Thereby, similarly to 1st Embodiment, the wiper bracket 25 can have the function as a tower bar which connects right and left strut towers with a conventional structure. That is, the rigidity of the corners of the front compartment 3 can be improved by the wiper bracket 25 to improve the rigidity of the entire front compartment 3, thereby improving the vehicle system vibration.

  In FIG. 6 described above, the first connecting member 41 is formed so as to extend to the front side of the vehicle body of the strut tower 15 with respect to FIG. 1, and the end 41c is bent outward in the vehicle width direction and provided on the inner wall surface 57a. It attaches to the 4th attachment piece 61 which is attached. The fourth mounting piece 61 includes a fixing portion 61a that is welded and fixed to the inner wall surface 57a, and a mounting portion 61b that is bent inward in the vehicle width direction from the rear end of the fixing portion 61a.

  Then, the end portion 41c of the first connecting member 41 is overlapped with the attachment portion 61b from the front of the vehicle body, and is fastened and fixed from the front of the vehicle body by the bolts 47. Note that the end 41 c of the first connecting member 41 may be directly attached to the inner wall surface 57 a of the hood ridge 57 without providing the fourth attachment piece 61. Further, in FIG. 6, the same components as those in FIG. 1 are denoted by the same reference numerals, and the first connecting member 41 and the second connecting member 43 are connected to the base portion 27 in the same manner as the rear end bent portion 27a. An integrated example is shown.

  In the present embodiment, the second vehicle body member to which the wiper bracket 25 is attached is the dash panel 5. The dash panel 5 is a partition plate that separates the vehicle compartment 1 and the front compartment 3 in the longitudinal direction of the vehicle body, and a wiper bracket 25 is attached to the center of the dash panel 5 in the vehicle width direction. Thereby, the rigidity of the corner | angular part of the front compartment 3 can be improved with the wiper bracket 25, the rigidity of the whole front compartment 3 can be improved, and it can aim at the improvement of a vehicle system vibration.

  In the vehicle body structure in this embodiment, a hood 59 that covers the upper opening of the front compartment 3 is provided in front of the front window shield panel 7 as shown in FIG. Then, air outside the vehicle is taken into a region 3a between the hood 59 and the upper and lower partition plates 11 from a slit serving as a through hole formed in the hood 59, and the taken-out outside air is formed in the dash panel 5 (not shown). The air is supplied to the air conditioning unit in the passenger compartment 1 through the air introduction hole.

  Therefore, the vehicle body structure in the present embodiment is not provided with a cowl box that is formed on the upper portion of the dash panel 5 and takes in air outside the vehicle into the vehicle body, and the area corresponding to the space inside the cowl box is the front compartment 3. The region 3a is also used. In this case, there is no cowl panel constituting the upper surface of the cowl box, but the present invention can be applied even to a vehicle in which such a cowl panel (cowl box) is not set. Conversely, the present invention can also be applied to a vehicle in which a cowl panel (cowl box) is set.

  The cowl box described above is located in front of the lower part of the front window shield panel 7. For this reason, if the vehicle body structure has no cowl box, the wiper bracket 25 can be brought closer to the front window shield panel 7 and the attachment structure of the wiper bracket can be further simplified.

1 Car compartment 3 Front compartment 5 Dash panel (second body member, body member)
9 Dash cross member (second body member, body member)
15 Strut tower (first body member, body member)
23 Wiper device 25 Wiper bracket 39 Wiper motor 57 Hood ridge (first body member, body member)

Claims (5)

A wiper bracket mounting structure for mounting a wiper bracket supported by a wiper motor of a wiper device to a vehicle body member,
The wiper bracket is attached by bridging a first vehicle body member provided laterally in the front compartment and a vehicle width direction central portion of a second vehicle body member disposed between the front compartment and the passenger compartment. It is,
The wiper bracket is
A base to which the wiper device is attached;
A first connecting member extending from the one side of the base portion to the outside in the vehicle width direction and connected to the first vehicle body member;
A second connecting member that extends from the other side of the base portion to the inside in the vehicle width direction and is connected to the second vehicle body member;
An attachment structure for a wiper bracket , comprising: an end portion on the vehicle body rear side of the base portion connected to the second vehicle body member .   The attachment part with the said 1st vehicle body member in the said wiper bracket and the attachment part with the vehicle width direction center part of the said 2nd vehicle body member are arrange | positioned at the equivalent height, The Claim 1 characterized by the above-mentioned. Wiper bracket mounting structure.   The wiper bracket mounting structure according to claim 1, wherein a pair of the wiper brackets are provided at left and right corners of the front compartment.   The wiper bracket mounting structure according to any one of claims 1 to 3, wherein the first vehicle body member is a strut tower or a hood ridge.   The wiper bracket mounting structure according to any one of claims 1 to 4, wherein the second vehicle body member is a dash panel.

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