WO2022065065A1

WO2022065065A1 - Actuator attachment structure for electric parking brake

Info

Publication number: WO2022065065A1
Application number: PCT/JP2021/033238
Authority: WO
Inventors: 悠帆木村
Original assignee: いすゞ自動車株式会社
Priority date: 2020-09-28
Filing date: 2021-09-10
Publication date: 2022-03-31
Also published as: JP2022055186A; JP7198437B2

Abstract

A first bracket side plate part 22 of a first bracket 21 includes a first base area 24 facing a side member top plate part 7 from above, and first overhanging areas 25, 26 extending out from the first base area 24 farther than a side member 2 on at least one side in a vehicle width direction. A second bracket 31 to which an actuator is affixed includes a second base area 32 overlapping the first base area 24 from above, and second overhanging areas 33, 34 extending out from the second base area 32 farther than the side member 2 on the at least one side. The second bracket 31 is affixed to the first bracket 21 by overlapping in the vertical direction and fastening second bracket connecting parts 35, 36 of the second overhanging areas 33, 34 onto first bracket connecting parts 27, 28 of the first overhanging areas 25, 26.

Description

Mounting structure of actuator for electric parking brake

This disclosure relates to a mounting structure for mounting an actuator for an electric parking brake on a vehicle body frame.

Patent Document 1 discloses a structure in which an actuator for an electric parking brake is fixed to a vehicle structure. The structure of the vehicle consists of a pair of left and right front side frames, a first cross member bridged between the front ends of a pair of left and right front side frames, and a pair of left and right front side frames. It has a second cross member or the like. A holding member is fixed to the first and second cross members, and the actuator is held by the holding member.

Japanese Patent Application Laid-Open No. 2019-217905

For reasons such as the layout of the vehicle, the actuator for the electric parking brake may be placed above the side member (side frame) of the vehicle body frame (structure) and fixed to the side member via the bracket. For example, the bracket is provided with an upper plate portion facing the side member from above and a side plate portion extending downward from the side edge portion of the upper plate portion, and an actuator is placed and fixed on the upper plate portion of the bracket to fix the side member. The side plate part of the bracket is overlapped and fixed on the side surface of the vehicle from the vehicle width direction. When removing the actuator from the vehicle body frame for inspection or parts replacement, release the fastening between the side plate portion of the bracket and the side member, and remove the actuator from the vehicle body frame together with the bracket.

However, if the in-vehicle parts are attached to the vehicle body frame so as to cover the side plate portion of the bracket from the vehicle width direction, it is not possible to secure a work space for removing the bracket, and in order to remove the actuator, it is necessary. It is necessary to remove the in-vehicle parts in advance. Further, when the in-vehicle parts are attached in a form that cannot be easily removed due to crime prevention reasons or the like, the actuator cannot be easily removed.

Therefore, the purpose of this disclosure is to provide an actuator mounting structure capable of removing the actuator for the electric parking brake from the vehicle body frame without removing the surrounding in-vehicle parts from the vehicle body frame.

In order to achieve the above object, the first aspect of the present disclosure is a mounting structure of an electric parking brake actuator for mounting an actuator for an electric parking brake on a vehicle body frame, wherein a side member, a first bracket, and a second bracket are used. Equipped with a bracket.

The side member has a side member side plate portion that stands up and extends along the vehicle front-rear direction, and a side member upper plate portion that extends from the upper end edge portion of the side member side plate portion to one side in the vehicle width direction, and constitutes a vehicle body frame. do. The first bracket is a first bracket vertical plate portion that is fixed to the side member side plate portion so as to overlap from the other side in the vehicle width direction, and a first bracket that extends from the upper end edge portion of the first bracket vertical plate portion and intersects in the vertical direction. It has a horizontal plate portion. The second bracket has a plate shape that overlaps the side plate portion of the first bracket from above.

The first bracket horizontal plate portion extends from the first base region facing the side member upper plate portion from above and at least one side in the vehicle width direction or at least one side in the vehicle width direction with respect to the side member. Includes the first overhanging area. The second bracket has a second base region that overlaps the first base region from above, and a second overhang extending from the second base region to at least one side of the side member in the vehicle width direction or the other side in the vehicle width direction. Includes areas.

The actuator is fixed to the second bracket in a state where it overlaps the second base region from above. The first overhanging region has a first bracket connecting portion, and the second overhanging region has a second bracket connecting portion that overlaps the first bracket connecting portion from above. The second bracket is fixed to the first bracket by fastening the second bracket connecting portion to the first bracket connecting portion from above and below.

For example, when the side member upper plate portion extends inward in the vehicle width direction from the upper end edge portion of the side member side plate portion, the first bracket vertical plate portion is fixed to the side member side plate portion so as to overlap from the outside in the vehicle width direction. The first base region of the first bracket horizontal plate portion extends inward in the vehicle width direction from the upper end edge portion of the first bracket vertical plate portion and faces the side member upper plate portion from above. When the first overhanging area of the first bracket extends outward in the vehicle width direction from the side member, the second overhanging area of the second bracket also extends outward in the vehicle width direction from the side member, and the first bracket connecting portion and the first The two bracket connecting portions are fastened from above and below on the outside of the side member in the vehicle width direction. On the contrary, when the first overhanging area of the first bracket extends inward in the vehicle width direction from the side member, the second overhanging area of the second bracket also extends inward in the vehicle width direction from the side member, and the first bracket is connected. The portion and the second bracket connecting portion are fastened from above and below inside the side member in the vehicle width direction.

In the above configuration, since the first bracket connecting portion and the second bracket connecting portion located on one side in the vehicle width direction or at least one side in the other side in the vehicle width direction of the side member are fastened and fixed from the vertical direction, the actuator and the other In the component mounting state in which the in-vehicle parts are mounted on the vehicle body frame, the fastening between the first bracket connecting portion and the second bracket connecting portion is released at least one above or below the first bracket connecting portion and the second bracket connecting portion. It is easy to secure a working space at the time. By releasing the fastening between the first bracket connecting portion and the second bracket connecting portion, the actuator can be removed from the vehicle body frame side together with the second bracket, so that the electric parking can be performed without removing the surrounding in-vehicle parts from the vehicle body frame. The actuator for the brake can be removed from the vehicle body frame.

The second aspect of the present disclosure is the mounting structure of the first aspect, in which the first bracket horizontal plate portion extends from the first base region to one side in the vehicle width direction as the first overhanging region. It includes a side overhang area and a first other side overhang area extending from the first base area to the other side in the vehicle width direction. The second bracket has a second overhanging area extending from the second base area to one side in the vehicle width direction and a second other side extending from the second base area to the other side in the vehicle width direction as the second overhanging area. Includes output area.

The first one-side overhanging area and the first other-side overhanging area have a first bracket one-sided connecting portion and a first bracket other-side connecting portion as a first bracket connecting portion, respectively. The second one-side overhang area and the second other-side overhang area are the second bracket one-side connection portion that overlaps the first bracket one-side connection portion from above as the second bracket connection portion, and the first bracket other side. Each of the connecting portions has a second bracket and a connecting portion on the other side that overlaps from above. The second bracket is obtained by fastening the connection portion on one side of the second bracket to the connection portion on one side of the first bracket from the vertical direction and the connecting portion on the other side of the second bracket to the connection portion on the other side of the first bracket from the vertical direction. It is fixed to the first bracket.

In the above configuration, the second bracket one-side connecting portion is fastened to the first bracket one-side connecting portion on one side in the vehicle width direction of the first base region and the second base region, and the vehicle in the first base region and the second base region Since the second bracket other side connecting portion is fastened to the first bracket other side connecting portion on the other side in the width direction, the mounting state of the second bracket with respect to the first bracket can be stabilized.

The third aspect of the present disclosure is the mounting structure of the second aspect, in which the actuator is fixed to the second one-side overhanging region and the second other-side overhanging region.

In the above configuration, since the actuator is fixed to the second one-side overhanging region on one side in the vehicle width direction and the second other-side overhanging region on the other side in the vehicle width direction in the second base region, the actuator for the second bracket is provided. It is possible to stabilize the mounting state of.

A fourth aspect of the present disclosure is the mounting structure of the second aspect, in which the second actuator mounting portion is located in a portion that does not overlap with the first side overhanging region in the vertical direction. Is formed, and in the second other side overhanging area, a second actuator mounting portion is formed in a portion that does not overlap with the first other side overhanging region in the vertical direction, and the actuators are the first actuator mounting portion and the second actuator. It is fixed to the second bracket via the mounting portion.

According to the present disclosure, the actuator for the electric parking brake can be removed from the vehicle body frame without removing the surrounding in-vehicle parts from the vehicle body frame.

FIG. 1 is a plan view of the mounting structure of the actuator for the electric parking brake according to the embodiment of the present disclosure as viewed from above. FIG. 2 is a perspective view showing a state before mounting the ECM in the structure of FIG. 1. FIG. 3 is a perspective view showing a state in which the actuator is removed from the structure of FIG. FIG. 4 is a perspective view showing a bracket connected state in which the upper bracket is assembled to the lower bracket. FIG. 5 is a perspective view showing a bracket separated state in which the upper bracket is removed from the lower bracket. FIG. 6 is a rear view of the lower bracket and the upper bracket in the bracket-coupled state as viewed from the rear of the vehicle.

Hereinafter, the mounting structure of the actuator for the electric parking brake according to the embodiment of the present disclosure will be described with reference to the drawings. In the figure, the arrow FR is in front of the vehicle, and the arrow UP is above. Arrow IN indicates the inside in the vehicle width direction. Further, in the following description, the left-right direction means the left-right direction in a state of facing the front of the vehicle.

As shown in FIGS. 1 to 3, the vehicle body frame 1 is a first cross that connects a pair of left and right side members 2 extending in the vehicle front-rear direction and front ends of the left and right side members 2 extending in the vehicle width direction. It has a member 3. In addition to the first cross member 3, the vehicle body frame 1 extends in the vehicle width direction to connect a plurality of cross members (for example, a second cross member behind the first cross member 3 and left and right side members). An end cross member or the like that connects the rear end portions of 2) is provided, but cross members other than the first cross member 3 are not shown. Further, of the left and right side members 2, only the right side member 2 is shown, and the left side member is omitted.

At least the front end side region of the side member 2 is composed of a side member outer 4 on the outer side in the vehicle width direction and a side member inner 5 on the inner side in the vehicle width direction.

The side member outer 4 has a U-shaped cross section in which the flat plate-shaped side outer upper surface portion 11 and the side outer lower surface portion 12 extend inward in the vehicle width direction from the upper ends and lower ends of the flat plate-shaped side outer side surface portion 13, and are inside in the vehicle width direction. Open to. The side member inner 5 is a U-shaped cross section in which the flat plate-shaped side inner upper surface portion 14 and the side inner lower surface portion 15 extend outward in the vehicle width direction from the upper end and the lower end of the flat plate-shaped side inner side surface portion 16. It opens outward in the width direction. The side member outer 4 and the side member inner 5 are joined by overlapping the side inner upper surface portion 14 with the side outer upper surface portion 11 from below and joining the side inner lower surface portion 12 with the side inner lower surface portion 15 overlapping from above. It is integrated into a rectangular cylinder that divides the closed space inside.

The side outer side surface portion 13 constitutes a side member side plate portion 6 that stands up and extends along the vehicle front-rear direction, and the side outer upper surface portion 11 and the side inner upper surface portion 14 are vehicle widths from the upper end edge portion of the side member side plate portion 6. It constitutes a side member upper plate portion 7 extending inward in the direction. In the side member upper plate portion 7 (side outer upper surface portion 11) of the present embodiment, the front end portion connected to the first cross member 3 is wider than the rear region (inward in the vehicle width direction toward the front of the vehicle). It is formed (to widen).

An actuator 8 for an electric parking brake is arranged above the right side member 2 so as to straddle the side member 2, and below the outside (right side in this embodiment) of the actuator 8 in the vehicle width direction, a side member side plate. The ECM (engine control module) 9 is arranged so as to face the portion 6 from the outside in the vehicle width direction. The actuator 8 is attached to and fixed to the side member 2 via the lower bracket (first bracket) 21 and the upper bracket (second bracket) 31. The ECM 9 is attached to and fixed to the side member 2 via the ECM bracket 10. In the present embodiment, the ECM 9 is attached in a form that cannot be easily removed from the side member 2 for crime prevention (theft prevention, etc.). For example, the ECM bracket 10 is integrally provided on the ECM 9, and the ECM bracket 10 is fastened and fixed to the side member 2 by a fastening member that cannot be unfastened.

As shown in FIGS. 2 to 6, the lower bracket 21 has a lower bracket vertical plate portion (first bracket vertical plate portion) 22 and a lower bracket vertical plate portion 22 which are overlapped and fixed to the side member side plate portion 6 from the outside in the vehicle width direction. It integrally has a lower bracket horizontal plate portion (first bracket horizontal plate portion) 23 that extends substantially horizontally from the upper end edge portion of the plate portion 22 and intersects the vertical direction. The lower bracket vertical plate portion 22 is fastened and fixed to the side member side plate portion 6 from the vehicle width direction by a plurality of bracket fixing bolts 41 (four in the front, rear, upper and lower directions in the present embodiment). The ECM 9 (shown in FIG. 1) is attached so as to cover the lower bracket vertical plate portion 22 from the outside in the vehicle width direction, and when the ECM 9 is attached, the bracket fixing bolt 41 is used to remove the lower bracket 21 from the side member 2. It becomes difficult or impossible to release the fastening.

The lower bracket horizontal plate portion 23 has a lower base region (first base region) 24 facing the side member upper plate portion 7 from above, and a lower inner side extending inward in the vehicle width direction from the side member 2 from the lower base region 24. Overhanging area (first overhanging area, first overhanging area) 25 and lower outer overhanging area (first overhanging area, first overhanging area) extending from the lower base area 24 to the outside in the vehicle width direction from the side member 2. 1 Other side overhanging area) 26 is provided. The lower base region 24 bends substantially at a right angle (L-shape) from the upper end edge portion of the lower bracket vertical plate portion 22 to extend inward in the vehicle width direction, and is arranged so as to be separated upward from the side member upper surface portion 7. The lower outer overhanging region 26 is formed by cutting out a part of the lower bracket vertical plate portion 22 and bending it so as to continuously extend outward in the vehicle width direction from the lower base region 24.

The upper bracket 31 has a plate shape that overlaps the lower bracket horizontal plate portion 23 from above. The upper bracket 31 has an upper base region (second base region) 32 that overlaps the lower base region 24 from above, and an upper medial overhang region (second) that extends inward in the vehicle width direction from the side member 2 from the upper base region 32. Overhanging area, second first side overhanging area) 33 and upper and outer overhanging area (second overhanging area, second other side overhanging area) extending from the upper base area 32 to the outside in the vehicle width direction from the side member 2. ) 34 is provided.

The upper bracket 31 and the lower bracket horizontal plate portion 23 have a portion that overlaps with the lower medial overhanging region 25 and a portion that does not overlap with the upper inner overhanging region 33, and does not overlap with the portion that overlaps with the lower outer overhanging region 26. Each shape is formed so that the portion exists in the upper-lateral overhanging region 34.

Actuator mounting holes 42 are provided at two front and rear positions in the portion of the upper bracket 31 that does not overlap with the lower medial overhanging region 35, and the lower outer overhanging region of the upper outer overhanging region 34 is provided. Two front and rear actuator mounting holes 43 are provided in a portion that does not overlap with 26. The actuator 8 is overlapped with the upper base area 32 from above, and the upper bracket 31 (upper inner overhang area 33 and upper outer overhang area 33) is provided by an actuator mounting bolt (not shown) through which the

actuator mounting holes

42 and 43 are inserted. It is fastened and fixed to 34).

Since the front end portion of the side member upper plate portion 7 (side outer upper surface portion 11) is formed so as to widen inward in the vehicle width direction toward the front of the vehicle, the actuator mounting hole on the front side of the upper inner overhanging region 33 is formed. A part or all of 42 overlaps the side member upper plate portion 7 from above. That is, a part or all of the actuator mounting hole 42 on the front side of the upper inner overhanging region 33 is provided in the upper base region 32.

Of the upper inner overhanging area 33 of the upper bracket 31, the portion overlapping the lower inner overhanging area 25 has two front and rear upper bracket inner connecting portions (second bracket connecting portion, second bracket one-side connecting portion) 35, 36 is provided, and one upper bracket outer connecting portion (second bracket connecting portion, second bracket other side connecting portion) 37 is provided in a portion of the upper outer overhanging region 34 that overlaps with the lower inner overhanging region 25. It will be provided. The front upper bracket inner connecting portion 35 is arranged between the front and rear actuator mounting holes 42, and the rear upper bracket inner connecting portion 36 is arranged behind the vehicle in the rear actuator mounting hole 42. The upper bracket outer connecting portion 37 is arranged between the front and rear actuator mounting holes 43 and is slightly inclined with respect to the upper base region 32.

In the lower inner overhanging area 25 of the lower bracket horizontal plate portion 23, there are two front and rear lower bracket inner connecting portions (first bracket connecting portion, first bracket one) that overlap the front and rear upper bracket inner connecting

portions

35 and 36 from below. Side connecting portions) 27 and 28 are provided, and in the lower outer overhanging region 26, the lower bracket outer connecting portion (first bracket connecting portion, first bracket other side connecting portion) overlapping the upper bracket outer connecting portion 37 from below is provided. 29 is provided. The lower bracket outer connecting portion 29 is slightly inclined with respect to the lower base region 24 along the upper bracket outer connecting portion 37.

A connecting bolt (stud bolt) 44 projecting downward is fixed to the upper bracket inner connecting portion 35 on the front side, and a bolt insertion hole 48 through which the connecting bolt 44 is inserted is fixed to the lower bracket inner connecting portion 27 on the front side (FIG. 5). See) is formed. A connecting bolt (stud bolt) 45 projecting upward is fixed to the lower bracket inner connecting portion 28 on the rear side, and a bolt insertion hole (not shown) through which the connecting bolt 45 is inserted is fixed to the upper bracket inner connecting portion 36 on the front side. ) Is formed. A connecting bolt (stud bolt) 46 projecting downward is fixed to the upper bracket outer connecting portion 37, and a bolt insertion hole 49 (see FIG. 5) through which the connecting bolt 46 is inserted is formed in the lower bracket outer connecting portion 29. Has been done.

With the actuator 8 fixed to the upper bracket 31, the upper bracket 31 is placed on the lower bracket horizontal plate portion 23 from above, the connecting

bolts

44, 45, 46 are inserted into the bolt insertion holes, and the connecting

bolts

44, 45 are inserted. The actuator 8 and the upper bracket 31 are fixed to the lower bracket side plate portion 23 by screwing and tightening the nut 47 to the, 46. As described above, in the upper bracket 31, the upper bracket inner connecting

portions

35 and 36 are fastened to the lower bracket inner connecting portions 27 and 28 from the vertical direction, and the upper bracket outer connecting portion 37 is fastened to the lower bracket outer connecting portion 29 from the vertical direction. By fastening, it is fixed to the lower bracket 21. The reason why the lower bracket outer connecting portion 29 and the upper bracket outer connecting portion 37 are slightly inclined with respect to the lower base region 24 and the upper base region 32 is that the upper bracket outer connecting portion 37 is slightly inclined to the lower bracket outer connecting portion 29. This is to improve the visibility during the work of fastening and fixing.

According to the present embodiment, the upper bracket inner connecting

portions

35 and 36 located inside the side member 2 in the vehicle width direction are fastened and fixed to the lower bracket inner connecting portions 27 and 28 from the vertical direction, and the side member 2 is fastened and fixed in the vehicle width direction. Since the upper bracket outer connecting portion 37 located on the outer side is fastened and fixed to the lower bracket outer connecting portion 29 from above and below, the upper bracket inner connecting portion is in the component mounting state in which the actuator 8 and other in-vehicle parts are attached to the vehicle body frame 1. At least one above or below the 35 and the lower bracket inner connecting portion 27, at least one above or below the upper bracket inner connecting portion 36 and the lower bracket inner connecting portion 28, and the upper bracket outer connecting portion 37 and the lower bracket outer connecting portion. It is easy to secure a work space for releasing the fastening (removing the nut 47) between the connecting

bolts

44, 45, 46 and the nut 47 on at least one of the upper side and the lower side of the 29. By releasing the fastening between the connecting

bolts

44, 45, 46 and the nut 47, the actuator 8 can be removed from the vehicle body frame 1 side together with the upper bracket 31, so that the surrounding in-vehicle parts can be removed from the vehicle body frame 1 without removing them. The actuator 8 can be removed from the vehicle body frame 1.

The upper bracket inner connecting

portions

35 and 36 are fastened to the lower bracket inner connecting portions 27 and 28 inside the lower base region 24 of the lower bracket 21 and the upper base region 32 of the upper bracket 31 in the vehicle width direction, and the lower base region 24 and the upper bracket 31 are fastened to each other. Since the upper bracket outer connecting portion 37 is fastened to the lower bracket outer connecting portion 29 on the outer side of the base region 32 in the vehicle width direction, the mounting state of the upper bracket 31 with respect to the lower bracket 21 can be stabilized.

Further, since the actuator 8 is fixed to the upper-inner overhanging area 33 on the inner side in the vehicle width direction of the upper base region 32 and the upper-outer overhanging area 34 on the other side in the vehicle width direction, the actuator 8 is attached to the upper bracket 31. Can be stabilized.

Although the present invention has been described above based on the above embodiment, the present invention is not limited to the contents of the above embodiment, and can be appropriately modified without departing from the present invention. That is, it goes without saying that all other embodiments, examples, operational techniques, and the like made by those skilled in the art based on this embodiment are included in the scope of the present invention.

For example, in the above embodiment, the case where the actuator 8 is attached to the right side member 2 has been described, but the actuator 8 may be attached to the left side member. Further, although the case where the ECM 9 is arranged around the actuator 8 has been described, other in-vehicle parts may be arranged instead of the ECM 9.

In the above embodiment, the lower bracket inner connecting portions 27, 28 and the upper bracket inner connecting

portions

35, 36 are provided inside the side member 2 in the vehicle width direction, and the lower bracket outer connecting portion 29 and the upper bracket outer connecting portion 29 are provided outside in the vehicle width direction. Although an example of providing the portion 37 has been described, the lower bracket outer connecting portion 29 and the upper bracket outer connecting portion 37 may be omitted and only the lower bracket inner connecting portion 27, 28 and the upper bracket inner connecting

portion

35, 36 may be provided. The lower bracket inner connecting portion 27, 28 and the upper bracket inner connecting

portion

35, 36 may be omitted, and only the lower bracket outer connecting portion 29 and the upper bracket outer connecting portion 37 may be provided.

Further, in the above embodiment, the side member upper plate portion 7 extends inward in the vehicle width direction from the upper end edge portion of the side outer side surface portion 13 (side member side plate portion 6), and the lower bracket vertical plate portion 22 is mounted on the side outer side surface portion 13. Although the case of overlapping and fixing from the outside in the width direction has been described, the present disclosure is not limited to this, and the side member upper plate portion 7 extends from the upper end edge portion of the side member side plate portion to the outside in the vehicle width direction, and the lower bracket vertical plate The portion may be overlapped and fixed to the side member side plate portion from the inside in the vehicle width direction. For example, in the case of the side member 2 of the present embodiment, since the side member upper plate portion 7 extends outward in the vehicle width direction from the upper end edge portion of the side inner side surface portion 16, the lower bracket vertical plate portion is used as the side outer side surface portion 13. It may be stacked and fixed from the outside in the vehicle width direction. In this case, the side outer side surface portion 13 constitutes the side member side plate portion, and the lower base region bends substantially at a right angle (L-shape) from the upper end edge portion of the lower bracket vertical plate portion and extends outward in the vehicle width direction.

This application is based on a Japanese patent application filed on September 28, 2020 (Japanese Patent Application No. 2020-162635), the contents of which are incorporated herein by reference.

This disclosure can be applied to a vehicle in which an actuator for an electric parking brake is attached to a vehicle body frame.

1: Body frame 2: Side member 3: First cross member 4: Side member outer 5: Side member inner 6: Side member side plate 7: Side member upper plate 8: Actuator 9: ECM (engine control module)
10: ECM bracket 11: Side outer upper surface 12: Side outer lower surface 13: Side outer side surface 14: Side inner upper surface 15: Side inner lower surface 16: Side inner side surface 21: Lower bracket (first bracket)
22: Lower bracket vertical plate (first bracket vertical plate)
23: Lower bracket horizontal plate (first bracket horizontal plate)
24: Lower base area (first base area)
25: Lower medial overhang area (first overhang area, first first side overhang area)
26: Lower outer overhang area (first overhang area, first other side overhang area)
27, 28: Lower bracket inner connecting part (first bracket connecting part, first bracket one side connecting part)
29: Lower bracket outer connecting part (first bracket connecting part, first bracket other side connecting part)
31: Upper bracket (second bracket)
32: Upper base area (second base area)
33: Upper medial overhang area (second overhang area, second first side overhang area)
34: Upper and outer overhanging areas (second overhanging area, second overhanging area on the other side)
35, 36: Upper bracket inner connection part (second bracket connection part, second bracket one side connection part)
37: Upper bracket outer connecting part (second bracket connecting part, second bracket other side connecting part)
41: Bracket fixing bolt 42: Actuator mounting hole (1st actuator mounting part)
43: Actuator mounting hole (second actuator mounting part)
44, 45, 46: Connecting bolts (stud bolts)
47: Nuts 48, 49: Bolt insertion holes

Claims

It is a mounting structure for mounting the actuator for the electric parking brake on the vehicle body frame.
A side having a side member side plate portion that stands up and extends along the vehicle front-rear direction and a side member upper plate portion that extends from the upper end edge portion of the side member side plate portion to one side in the vehicle width direction, and constitutes the vehicle body frame. With members
The first bracket vertical plate portion that is overlapped and fixed to the side member side plate portion from the other side in the vehicle width direction, and the first bracket horizontal plate portion that extends from the upper end edge portion of the first bracket vertical plate portion and intersects the vertical direction. The first bracket with and
The first bracket horizontal plate portion is provided with a plate-shaped second bracket that overlaps from above.
The first bracket horizontal plate portion has a first base region facing the side member upper plate portion from above, and the side member on one side in the vehicle width direction or at least one side on the other side in the vehicle width direction. Including the first overhanging area extending from the first base area,
The second bracket has a second base region that overlaps the first base region from above, and the second base region on one side in the vehicle width direction or at least one side on the other side in the vehicle width direction with respect to the side member. Including the second overhang area extending from
The actuator is fixed to the second bracket in a state of being overlapped with the second base region from above.
The first overhanging region has a first bracket connecting portion.
The second overhanging region has a second bracket connecting portion that overlaps the first bracket connecting portion from above.
The second bracket is a mounting structure for an electric parking brake actuator, which is fixed to the first bracket by fastening the second bracket connecting portion to the first bracket connecting portion from above and below.
The first bracket horizontal plate portion has, as the first overhanging region, a first side overhanging region extending from the first base region to one side in the vehicle width direction and a vehicle width direction from the first base region. Including the first other side overhanging area extending to the other side, including
The second bracket has, as the second overhanging region, a second overhanging region extending from the second base region to one side in the vehicle width direction and from the second base region to the other side in the vehicle width direction. Including the second other overhanging area extending
The first one-side overhanging region and the first other-side overhanging region have a first bracket one-side connecting portion and a first bracket other-side connecting portion as the first bracket connecting portion, respectively.
The second one-side overhanging region and the second other-side overhanging region are a second bracket one-sided connecting portion that overlaps the first bracket one-sided connecting portion from above as the second bracket connecting portion, and the above-mentioned It has a second bracket other side connecting part that overlaps with the first bracket other side connecting part from above.
In the second bracket, the second bracket one-side connecting portion is fastened to the first bracket one-side connecting portion from the vertical direction, and the second bracket other-side connecting portion is vertically fastened to the first bracket other-side connecting portion. The mounting structure for an actuator for an electric parking brake according to claim 1, wherein the actuator is fixed to the first bracket by fastening from.
The mounting structure for an electric parking brake actuator according to claim 2, wherein the actuator is fixed to the second one-side overhanging region and the second other-side overhanging region.
In the second side overhanging region, a first actuator mounting portion is formed in a portion that does not overlap with the first side overhanging region in the vertical direction.
In the second other side overhanging region, a second actuator mounting portion is formed in a portion that does not overlap with the first other side overhanging region in the vertical direction.
The mounting structure for an electric parking brake actuator according to claim 2, wherein the actuator is fixed to the second bracket via the first actuator mounting portion and the second actuator mounting portion. ..