JP6897232B2 - Vehicle body structure - Google Patents

Description

The present invention relates to the vehicle body structure of a vehicle.

The front part of the vehicle is equipped with a wiper device that blows off water droplets adhering to the windshield. The water droplets blown off by the wiper device flow down on the windshield, flow into the cowl top arranged under the windshield over the entire width direction of the vehicle, and are discharged to the outside of the vehicle.
Generally, the wiper device and the cowl top are fixed to the vehicle body via individual brackets. For example, Patent Document 1 discloses a configuration in which a drive motor, which is a configuration of a wiper device, is attached to a side wall of an engine room via a bracket.

JP-A-2002-160607

When the wiper device or the cowl top is attached to the vehicle body via individual brackets as in the conventional case, the installation space is secured and the number of parts is large, so there is room for improvement.
An object of the present invention is to provide a new vehicle body structure capable of saving space and reducing the number of parts by fixing the wiper device and the cowl top to a common bracket.

In order to achieve the above object, the vehicle body structure of the vehicle according to the present invention is arranged between a pair of upper frames extending in the vehicle front-rear direction to form a vehicle body frame and extending in the vehicle width direction. A pair of brackets having a cowl top, a connecting portion that can be connected to the inner surface of each of the upper frames, and a first mounting portion for mounting the cowl top, and at least one of the pair of brackets is a first to mount parts of the wiper device. have a second mounting portion, the first mounting portion of the bracket is positioned below the upper surface of the upper frame, which extends inward in the vehicle width direction, the cowl top as being disposed on the upper surface of the first mounting portion There is.

According to the present invention, at least one of a pair of brackets having a connecting portion that can be connected to the inner surface of each of the pair of upper frames and a first mounting portion that mounts a cowl top arranged between the upper frames is a wiper. Since it has a second mounting part for mounting the parts of the device, the bracket can be shared with the upper frame and the cowl top, providing a new vehicle body structure that can save space and reduce the number of parts. Can be done.

The plan view explaining the schematic structure of the vehicle body structure which concerns on embodiment of this invention. The perspective view explaining the schematic structure of the vehicle body structure which concerns on embodiment of this invention. The enlarged plan view explaining the structure and arrangement of the bracket which becomes the main part of the body structure of the vehicle which concerns on embodiment of this invention. An enlarged cross-sectional view illustrating the structure and mounting process of the bracket. An enlarged view illustrating the configuration and arrangement of the brackets. An enlarged cross-sectional view illustrating the configuration and mounting state of the cowl top. The enlarged view explaining one form of the wiper device.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the embodiment for carrying out the invention, the same members and members having the same functions are designated by the same reference numerals, and duplicate description will be omitted. Drawings may be partially omitted to aid in understanding some configurations.
As shown in FIG. 1, the vehicle body structure of the vehicle 1 according to the present embodiment includes fender panels 11 and 11 forming an exterior and a hood panel 12 on the front portion 2 of the vehicle 1. The fender panels 11 and 11 are arranged in the vehicle width direction (left-right direction) W, and are attached and fixed to the pair of upper frames 7 and 7 constituting the vehicle body skeleton via the fender brackets 30 and 30. The hood panel 12 is arranged between the left and right fender panels 11. The hood panel 12 is attached to the vehicle body so that the end portion located on the rear X2 side of the vehicle can be opened and closed via a hinge. Front pillars 13 and 13 are arranged in the vehicle width direction W in the vehicle rear X2 of the upper frames 7 and 7 in connection with, for example, the upper frames 7 and 7. A windshield 3 is provided between the upper frames 7 and 7. The wiper device 40 shown in FIG. 7 is arranged below the windshield 3. In the figure, reference numeral 41 indicates a wiper arm which is a component included in the wiper device 40.

As shown in FIG. 2, a space portion 4 surrounded by a plurality of skeleton members constituting the vehicle body is formed below the hood panel 12. A drive system such as an engine or a motor is mounted in the space 4 depending on the vehicle type. Strut towers 5 are provided in the space portion 4 in the vehicle width direction W, respectively. A dash panel 6 as a skeleton member that separates the space 4 and the vehicle interior is arranged at the vehicle rear X2 of the strut tower 5. The end of the strut 50 of the suspension is attached to the strut tower 5 (see FIG. 6).

The upper frames 7 and 7 extend in the vehicle front-rear direction X and are arranged outside the strut tower 5 in the main width direction W. The rear end of each upper frame 7 is connected to the dash panel 6 and the lower ends of the front pillars 13 and 13.
The fender brackets 30 and 30 are made of metal, and the upper portion 30c of each upper frame 7 protrudes toward the upper Z1 of the vehicle from the upper surface 7c of each upper frame 7, and their positions are aligned in the vehicle front-rear direction X.
Each fender bracket 30 has a cross-sectional gate shape as shown in FIGS. 3 and 4. The fender brackets 30 and 30 are covered with the upper frames 7 from the opening side thereof, and the side surfaces 30a and 30b facing each other are welded to the inner side surface 7a and the outer surface 7b of the upper frame 7, respectively, so that the upper frame 7 It is fixed to.
Below the upper frame 7 and the strut tower 5, side frames 8 and 8 extending in the vehicle front-rear direction X are provided as shown in FIG. The side frames 8 and 8 are arranged in the vehicle width direction W and are connected to the dash panel 6.

Below the windshield 3, a cowl top 9 extending in the vehicle width direction W and receiving water flowing down the windshield 3 is arranged so as to straddle between the upper frames 7 and 7. The cowl top 9 is located in front of the vehicle X1 and above the strut tower 5 with respect to the dash panel 6.
In the present embodiment, as shown in FIG. 6 , the cowl top 9 is a separate body from the first cowl top 91 made of metal and the first cowl top 91 whose rear end 91a is fixed to the dash panel 6 by welding. It is equipped with a metal second cowl top 92 that can be attached to and detached from the first cowl top 91. The second cowl top 92 has a size that covers the strut tower 5 from above. The second cowl top 92 constitutes an armored cowl top panel with respect to the first cowl top 91. The size of the cowl top 9 is such that the strut mounting portion 51 attached to the upper portion 5b of the strut tower 5 is exposed in the space 4 by separating the second cowl top 92 from the first cowl top 91. The ratio of the cowling is set. The rear portion 92a of the second cowl top 92 is connected to the front portion 91b of the first cowl top 91 by bolts 23 and nuts 24 as fastening members. As shown in FIGS. 2 and 4, the second cowl top 92 has ends 92c and 92d located in the vehicle width direction W attached to a pair of brackets 10A and 10B by bolts 23 and nuts 24, respectively.

As shown in FIG. 7, the wiper device 40 blows off water droplets and the like adhering to the windshield 3. The wiper device 40 is arranged on the Z1 side above the vehicle with respect to the cowl top 9. The wiper device 40 includes a wiper arm 41 provided with a blade, a pivot shaft 42 as a shaft portion to which the base end of the wiper arm 41 is attached, a holder 43 that rotatably supports the pivot shaft 42, and a drive shaft. It is a well-known configuration including a wiper motor 44 as a source and a link mechanism 45 that converts the rotational motion of the drive shaft of the wiper motor 44 into a swing motion and transmits the swing motion to the pivot shaft 42.
Since the wiper device 40 according to the present embodiment includes a plurality of (two) wiper arms 41, it also includes two pivot shafts 42 and two holders 43. The two holders 43 are arranged apart from each other in the vehicle width direction W. One holder 43 (A) is arranged closer to the center of the vehicle, and the other holder 43 (B) is arranged closer to one upper frame 7 where the end 92c of the second cowl top 92 is located. .. In the present embodiment, the other holder 43 (B) is arranged closer to the upper frame 7 located on the left side in the drawing.
The wiper motor 44 and the holders 43 (A) and 43 (B) are fixed to the vehicle body side. The wiper motor 44 is fixed to a dedicated wiper bracket 60 attached to the dash panel 6 and the cowl top 9. One holder 43 (A) arranged closer to the center of the vehicle is fixed to a dedicated wiper bracket 46 attached to the dash panel 6 and the cowl top 9. The other holder 43 (B) arranged closer to the upper frame 7 is fixed to the bracket 10A to which the end portion (92c) of the cowl top 9 is attached.

Next, the configuration of one bracket 10A and the attachment of the cowl top 9 and the holder 43 (B) will be described in detail.
In the present embodiment, the cowl top 9 (second cowl top 92) and the holder 43 (B) are attached to the common bracket 10A and fixed to the vehicle body. The holder 43 (B) includes a connecting arm 431 that projects outward, and the connecting arm 431 is attached to the bracket 10A. That is, in the present embodiment, the connecting arm 431 corresponds to a component of the wiper device 40.

As shown in FIGS. 3 to 5, the bracket 10A includes a connecting portion 103 that can be connected to the inner side surface 7a of one of the upper frames 7, a first mounting portion 102 to which the end portion 92c of the cowl top 9 is attached, and a connecting arm. A second mounting portion 101 for mounting the 431 is provided. The second mounting portion 101 and the first mounting portion 102 are formed so as to project from the connecting portion 103 in the same direction so as to face each other. Therefore, the external shape of the bracket 10A is U-shaped. The second mounting portion 101 is located above the first mounting portion 102. The bracket 10A is made of metal, and the connecting portion 103 is spot-welded to the inner side surface 7a of one of the upper frames 7 so that the second mounting portion 101 and the first mounting portion 102 are located inside the vehicle (space 4 side). By doing so, it is connected to the upper frame 7. In the figure, the black circle indicated by the reference numeral P indicates a spot welded portion. The first mounting portion 102 of the bracket 10A is arranged below the upper surface 7c of the upper frame 7 in a state of being mounted (joined / connected) on the upper frame 7, and extends inward in the vehicle width direction. Further, the cowl top 9 is arranged on the upper surface 102b of the first mounting portion 102 and fastened and fixed.

The second mounting portion 101 is formed so as to extend in the vehicle front-rear direction X. The second mounting portion 101, in was attach to the upper frame 7 (joint / connection) state, is disposed above the upper surface 7c of the upper frame 7, which extends in the vehicle width direction inside. The second mounting portion 101 is formed with a mounting hole 101a penetrating in the vehicle vertical direction Z. The second mounting portion 101 is formed with an expanding portion 105 that becomes wider in the vehicle width direction W. The mounting hole 101a is arranged in the center of the expansion portion 105. On the back surface 101c side of the second mounting portion 101, the nut plate 25 constituting the nut portion is aligned with the mounting hole 101a and mounted by, for example, spot welding. The mounting hole 101a has a diameter larger than that of the screw portion 25a included in the nut plate 25, and the screw portion 25a is formed so as to be exposed from the mounting hole 101a even when the nut plate 25 is moved. As shown in FIGS . 4 and 7, the connecting arm 431 is attached to the second mounting portion 101 by joining the end portion having the mounting hole to the second mounting portion 101 from above and tightening the bolt 20 to the screw portion 25a. Fastened and fixed.
The first mounting portion 102, the mounting hole 102a that penetrates the arranged vehicle both vertical direction Z to the vehicle front X1 side of the bracket 10A is formed. The mounting hole 102a is formed at a portion corresponding to the through hole 92c1 formed in the end portion 92c of the second cowl top 92 at the time of assembly.
As shown in FIG. 5, a plurality of ribs 110 extending in the vehicle vertical direction Z are formed side by side in the connecting portion 103 at intervals in the vehicle front-rear direction X. The connecting portion 103 is fixed to the inner side surface 7a at a portion between the adjacent ribs 110 by, for example, spot welding. Each rib 110 is formed so as to be parallel to the axis O of the pivot shaft 42 to which the wiper arm 41 is attached when the bracket 10A is connected to the upper frame 7.

The bracket 10A has a connecting portion 103 fixed to the inner side surface 7a so as to overlap the fender bracket 30 in the vehicle front-rear direction X. When fixing the bracket 10A and the inner side surface 7a, the bracket 10A is positioned and welded so that the expansion portion 105 does not overlap with the fender bracket 30. The structure and shape of the bracket 10B are the same as those of the bracket 10A, and the end portion 92d of the second cowl top 92 is attached to the first attachment portion 102. In the present embodiment, the parts of the wiper device 40 are not arranged on the bracket 10B side, but the steering position is opposite to that of the vehicle 1 according to the present embodiment, or the wiper device 40 is configured. Depending on the case, the parts of the wiper device 40 may be located on the bracket 10B. Assuming this case, the second mounting portion 101 may be formed on the bracket 10B, but in the present embodiment, the second mounting portion 101 is not formed on the bracket 10B, and at least the parts of the wiper device 40 are formed. It suffices that the bracket on the side where is located includes the second mounting portion 101.

As described above, in the vehicle body structure according to the present embodiment, the connecting portion 103 that can be connected to the inner side surface 7a of the upper frame 7 located in the vehicle width direction W, the second mounting portion 101 to which the connecting arm 431 is attached, and the cowl top 9 is provided with the bracket 10A having a first mounting portion 102 (second cowl top 92) mounting a, while ensuring installing with rigidity, making it possible to share the mounting portion of the bracket 10A and the connecting arm 431 It is possible to provide a new vehicle body structure of the vehicle 1 that can save space and reduce the number of parts.
Furthermore, since the increased Installing with rigidity of the bracket 10A is supported is stabilized linkage arm 431, thereby improving the accuracy of the mounting position of the pivot shaft 42 which supports the wiper arm 41. Load due to the operation of the wiper apparatus 40, since it is dispersed and transmitted to the upper frame 7 and the cowl top 9 via a bracket 10A, vibration reduction can be expected.

In the vehicle body structure according to the present embodiment, the fender bracket 30 provided on the upper frame 7 so as to project above the vehicle surface Z1 from the upper surface 7c of the upper frame 7 and the bracket so as to overlap the fender bracket 30 in the vehicle front-rear direction X. Since 10A is arranged, the portion protruding from the upper surface 7c can be aggregated to reduce the protruding region. In the front portion 2 of the vehicle 1, the hood panel 12 is arranged above the upper frame 7. Therefore, reducing the protruding area of the member protruding above the upper frame 7 reduces the chance of the pedestrian and the protruding member interfering with each other when the hood panel 12 and the pedestrian interfere with each other. It can contribute to pedestrian protection.
In the vehicle body structure according to the present embodiment, the first mounting portion 102 of the bracket is arranged below the upper surface 7c of the upper frame 7 and extends inward in the vehicle width direction, so that the first mounting portion 102 overlaps the upper frame 7 from above. The cowl top 9 (second cowl top 92) can be attached without any problem, and the protruding region of the member protruding above the upper frame 7 can be reduced. Therefore, the chance of interference between the pedestrian and the protruding member can be reduced, which can contribute to the protection of the pedestrian. Further, although the second mounting portion 101 of the bracket is arranged above the upper surface 7c of the upper frame 7 due to its function, it extends inward in the vehicle width direction, so that it overlaps the upper frame 7 from above. Instead, the parts of the wiper device 40 can be attached. Therefore, it is possible to reduce the protruding region of the member protruding above the upper frame 7 while obtaining the merit of sharing the parts. Therefore, the chance of interference between the pedestrian and the protruding member can be reduced, which can contribute to the protection of the pedestrian.

In the vehicle body structure according to the present embodiment, since a plurality of ribs 110 extending in the vehicle vertical direction Z are arranged side by side at intervals in the vehicle front-rear direction X on the connecting portion 103 of the bracket 10A, the surface of the connecting portion 103 is formed. Rigidity can be increased. Further, since the welded portion between the upper frame 7 and the portion where the surface rigidity is increased (connecting portion 103) is close to each other, the mounting rigidity of the bracket 10A itself is improved. Therefore, the positions of the connecting arm 431, the holder 43 (B), and the pivot shaft 42, which are parts of the wiper device 40, are stable.
In the vehicle body structure according to the present embodiment, when the bracket 10A is connected to the upper frame 7, each rib 110 is formed so as to be parallel to the axis O of the pivot shaft 42 to which the wiper arm 41 is attached. The torsional rigidity around the axis of 42 is increased, and the mounting strength of members such as the wiper arm 41 is improved.

In the vehicle body structure according to the present embodiment, since the expansion portion 105 that becomes wider in the vehicle width direction W is formed in the second mounting portion 101, the formation range of the mounting hole 101a is widened and the degree of freedom is increased. Further, by arranging the mounting hole 101a and the nut plate 25 in the expansion portion 105, it is possible to secure the adjustment allowance of the nut plate 25 in the vehicle width direction W. Therefore, even if an error occurs in the mounting position of the pivot shaft 42 or the holder 43 (B), it can be adjusted by changing the position of the nut plate 25, and the position accuracy of the wiper device 40 can be adjusted by other methods. It can be done easily without changing the part.

Although the preferred embodiment of the present invention has been described above, the present invention is not limited to such a specific embodiment, and unless otherwise specified in the above description, the present invention described in the claims. Various modifications and changes are possible within the scope of the invention.
For example, in the above embodiment, the wiper device 40 is of a type including two wiper arms 41, but may be of a type in which one wiper arm 41 is reciprocated to scrape off. Even in this case, the same effect as that of the above embodiment can be obtained by attaching the holder 43 provided with the pivot shaft 42 to which the wiper arm 41 is attached to the second attachment portion 101 of the bracket 10A via the connecting arm 431. Can be done.
Of course, it may be provided with three or more wiper arms 41. In this case, the holders 43 arranged closer to the left and right upper frames 7 and 7 are attached to the brackets 10 located in the vehicle width direction W via the connecting arms 431 and 431, respectively, thereby achieving the same effect as that of the present embodiment. Obtainable.

The effects described in the embodiments of the present invention merely list the most preferable effects arising from the present invention, and the effects according to the present invention are limited to those described in the embodiments of the present invention. is not it.

1 ... Vehicle, 7 ... Upper frame, 7a ... Inner surface of upper frame, 7c ... Upper surface of upper frame, 9 ... Cowl top, 10A, 10B ... Pair of brackets, 20 ... ... Bolt, 25 ... Nut part, 30 ... Fender bracket, 40 ... Wiper device, 41 ... Wiper arm, 42 ... Shaft part, 101 ... Second mounting part, 102 ... 1st mounting part, 102a ... upper surface of the 1st mounting part, 103 ... connecting part, 105 ... expanding part, 110 ... multiple ribs, 431 ... parts of wiper device, O.・ ・ Axis, W ・ ・ ・ Vehicle width direction, X ・ ・ ・ Vehicle front-rear direction, Z ・ ・ ・ Vehicle vertical direction, Z1 ・ ・ ・ Vehicle upper

Claims (7)

A pair of upper frames that extend in the front-rear direction of the vehicle and form the vehicle body skeleton,
A cowl top that extends in the vehicle width direction and is placed between the upper frames,
A pair of brackets having a connecting portion that can be connected to the inner surface of each of the upper frames and a first mounting portion for mounting the cowl top are provided.
At least one of the pair of brackets, have a second mounting portion for mounting the components of the wiper device,
The first mounting portion of the bracket is arranged below the upper surface of the upper frame and extends inward in the vehicle width direction.
The body structure of the vehicle, wherein the cowl top is arranged on the upper surface of the first mounting portion. A fender bracket that is connected to the upper frame and projects above the vehicle surface from the upper surface of the upper frame is provided.
The bracket body structure of a vehicle according to claim 1, characterized in that in the vehicle longitudinal direction are arranged such that the fender bracket overlap. Body structure of a vehicle according to claim 1 or 2, the second mounting portion is disposed above the upper surface of the upper frame, characterized in that it is extended in the vehicle width direction inner side of the bracket. The invention according to any one of claims 1 to 3, wherein a plurality of ribs extending in the vertical direction of the vehicle are formed side by side in the front-rear direction of the vehicle at least in the connecting portion of the bracket. Vehicle body structure. The rib according to claim 4, wherein the bracket when it is connected to the inner surface of the upper frame, characterized in that it is formed so as to be parallel to the axis of the shaft portion for mounting a wiper arm, wherein the wiper device comprises The body structure of the vehicle described in. The vehicle body structure according to any one of claims 1 to 5, wherein the second mounting portion has an expanding portion that becomes wider in the vehicle width direction. The vehicle body structure according to claim 6 , wherein the parts of the wiper device are fastened and fixed to the second mounting portion with bolts and nut portions, and the nut portions are arranged in the expansion portion.

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