JP3632438B2 - Car air box structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an air box structure of an automobile.
[0002]
[Prior art]
In order to make the appearance of a car into a streamlined monoform design, it is necessary to position the windshield in front of the standard. In order to position the windshield on the front side, the air box must be formed on the front side accordingly. For this reason, conventionally, the vicinity of the upper end of the dash lower is largely bent forward, and an extension member is attached to the front end to form an air box. This extension member can be removed and removed when working in the engine room. Moreover, the side edge part of this extension member is supported in the state mounted on the upper surface of the strut housing provided in the both sides of the engine room.
[0003]
[Problems to be solved by the invention]
However, in such a conventional technique, since the vicinity of the upper end of the dash lower is largely bent toward the engine room side, the extension member must be removed to work in the engine room. However, the rear upper part of the engine room is covered with the vicinity of the upper end part of the dash lower, which reduces workability in the engine room. Further, since the side end portion of the extension member is placed on the upper surface of the strut housing, it is not possible to secure a space for installing various components above the strut housing.
[0004]
The present invention has been made by paying attention to such a conventional technique, and has improved the workability in the engine room and has an air box structure for an automobile in which various parts can be installed above the strut housing. It is to provide.
[0005]
[Means for Solving the Problems]
The invention according to claim 1 includes a dash upper attached rearward from an upper end portion of the dash lower extending in the vertical direction, a vertical surface portion attached to the upper end portion of the dash lower and positioned above the dash lower, and the vertical surface portion. A dash cross lower having a front end located further forward, and the front end is attached to the front end of the dash cross lower to form a support portion of the windshield, and the rear end is attached to the rear end of the dash upper An automotive air box structure comprising a dash cross upper and an extension member that is attached in a detachable state to a vertical surface portion of the dash cross lower and forms an air box with the dash cross lower , The dash cross lower is vertically divided at the vertical surface part, and the dash cross lower is formed at the divided ends. A cowl top side that joins the flanges to each other, mounts the rear end of the extension member on the joined flanges, and supports the side end of the extension member on the side of the extension member. It is characterized by having an air box structure of an automobile provided with
[0006]
According to the first aspect of the present invention, since the extension member is attached to the vertical surface portion of the dash cross lower located above the dash lower, the position of the extension member is on the front side relative to the standard. Therefore, it is not necessary to largely bend the vicinity of the upper end portion of the dash lower toward the engine room as in the prior art. Therefore, when the extension member is removed, there is nothing that covers the upper part of the engine room, and the workability in the engine room is improved.
[0008]
In addition, according to the first aspect of the present invention, since the rear end portion of the extension member is mounted on the front-facing flanges joined at the vertical surface portions of the dash cross lower, the rear end portion of the extension member is attached. Installation is reliable.
[0010]
Furthermore, according to the first aspect of the present invention, since the cowl top side for placing and supporting the side end portion of the extension member is provided, it is not necessary to attach the side end portion of the extension member to the strut housing. Becomes easier.
[0011]
According to the second aspect of the present invention, a vertical space is ensured between the extension member supported by the cowl top side and the upper surface of the strut housing.
[0012]
According to the invention described in claim 2 , since the space in the vertical direction is secured between the extension member and the upper surface of the strut housing, various components can be installed in the space.
[0013]
According to a third aspect of the present invention, a seal member for ensuring airtightness is provided at the side end portion and the rear end portion of the extension member.
[0014]
According to the third aspect of the present invention, since the seal member for ensuring airtightness is provided at the side end portion and the rear end portion of the extension member, the odor in the engine room does not enter the air box.
[0015]
According to a fourth aspect of the present invention, there is provided a support bracket in which a hook having a flange bent outward at an upper end is provided at an upper portion of a side end portion of the extension member, and a seal member at the side end portion of the extension member is placed on the cowl top side. The hook member is placed on the hook bracket, and the extension member is slid backward with the hook member floating on the support bracket. At the normal position of the extension member, the hook flange is detached and the extension member is placed on the support bracket. And a guide bracket to be dropped.
[0016]
According to the fourth aspect of the present invention, the extension member can be slid rearward with the side end portion of the extension member floating, and the extension member can be placed on the support bracket at the normal position. There is no possibility that the seal member at the side end portion is peeled off by friction.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
A preferred embodiment of the present invention will be described below with reference to FIGS. The engine room E and the vehicle interior R of the automobile are separated by a straight dash lower 1 along the vertical direction. The upper end portion 1a of the dash lower 1 is in a state where it is bent obliquely forward a little.
[0018]
A front end 2a of a dash upper 2 extending rearward is joined to the upper end 1a of the dash lower 1. Further, a rear end portion 3 b of the dash cross lower 3 that extends upward from the upper end portion 1 a of the dash lower 1 is joined to the front end portion 2 a of the dash upper 2. The dash cross lower 3 is divided into an upper member 4 and a lower member 5 and integrated by joining forward flanges 4a and 5a formed at the divided ends. Further, by being integrated, a vertical surface portion 6 is formed that is positioned on the front side by an amount L substantially corresponding to the upper end portion 1a from the dash lower 1. The front end portion 3 a of the dash cross lower 3 is located in front of the vertical surface portion 6.
[0019]
A front end portion 7 a of the dash cross upper 7 is attached to the front end portion 3 a of the dash cross lower 3 to form a support portion 8 for the windshield G. The middle part of the dash cross upper 7 is also joined to the slope part 3c on the upper side of the vertical surface part 6, and the support part 8 has a triangular closed cross section. Therefore, the rigidity of the support portion 8 is high, and the support rigidity of the windshield G is also improved. The rear end 7 b of the dash cross upper 7 is joined to the rear end 2 b of the dash upper 2.
[0020]
A rear end portion 9b of the extension member 9 is placed on both front-facing flanges 4a and 5a formed in the middle of the vertical surface portion 6 of the dash cross lower 3, and is attached by a bolt 10 and a welding nut 11. ing. Since the attachment is performed in a state of being placed on both the flanges 4a and 5a, the rear end portion 9b of the extension member 9 is securely attached. By removing the bolt 10, the extension member 9 itself can be removed. A continuous sealing member is provided at the rear end 9b and the side end 9c of the extension member 9. The front end 9 a of the extension member 9 is located above the strut housing 13.
[0021]
A cowl top side 14 is provided on the vehicle body on the side of the extension member 9. On the side surface of the cowl top side 14, a support bracket 15, a guide bracket 16 positioned above the support bracket 15, and an oblique mounting bracket 17 positioned behind the support bracket 15 are provided. The side end 9c of the extension member 9 is supported in a state of being placed on the support bracket 15.
[0022]
On the upper surface of the side end portion 9c of the extension member 9, a hook 20 having an oblique flange 19 attached to the mounting bracket 17 with a screw 18 is provided upright at the upper end. The extension member 9 and the dash cross lower 3 attached in this way form an air box 21 for introducing outside air into the vehicle.
[0023]
The extension member 9 of this embodiment is not attached to the upper end 1a of the dash lower 1 as in the prior art, but is attached to both flanges 4a and 5a of the vertical surface portion 6 positioned above the upper end 1a. Therefore, the extension member 9 is attached at a higher position than before. Therefore, in the attached state, a space S in the vertical direction is formed between the extension member 9 and the upper surface of the strut housing 13. Accordingly, various parts such as a reservoir tank and piping can be installed in the space S.
[0024]
Next, how to attach the extension member 9 will be described. When the extension member 9 is attached, the flange 19 at the upper end of the hook 20 is first placed on the guide bracket 16 in order to protect the sealing member 12 bonded to the lower surface. When the flange 19 is placed on the guide bracket 16, as shown in FIG. 3, the seal portion 12 member of the side end portion 9 c of the extension member 9 is lifted by a predetermined gap d with respect to the support bracket 15. It becomes. Therefore, by sliding the flange 19 of the hook 20 on the guide bracket 16, the seal member 12 of the side end portion 9 c of the extension member 9 can be moved backward without contacting the support bracket 15. Therefore, there is no possibility that the seal member 12 is peeled off by friction.
[0025]
When the flange 19 is slid rearward on the guide bracket 16, the front side 16a of the guide bracket 16 is a slope, so that the rearward slide is easy. The flange 19 falls from the rear end of the guide bracket 16 and is joined to the mounting bracket 17 when the extension member 9 is in a normal position with respect to the support bracket 15. At this time, the seal member 12 contacts the support bracket 15 for the first time. The attachment of the extension member 9 is completed by attaching the flange 19 of the hook 20 to the attachment bracket 17 with screws 18 and attaching the rear end portion 9b of the extension member 9 to both flanges 4a and 4b with bolts 10.
[0026]
According to this embodiment, since the extension member 9 is attached to the vertical surface portion 6 of the dash cross lower 3 located above the dash lower 1, the position of the extension member 9 is on the front side relative to the standard. Therefore, it is not necessary to largely bend the vicinity of the upper end portion 1a of the dash lower 1 toward the engine room E as in the prior art. Therefore, when the extension member 9 is removed, there is nothing that covers the upper part of the engine room E, and the workability in the engine room E is improved. Further, since the sealing member 12 for ensuring airtightness is provided at the rear end 9b and the side end 9c of the extension member 9, the odor in the engine room E does not enter the air box 21.
[0027]
In the above description, an example in which the dash cross lower 3 is formed by two parts has been shown, but it may be formed by one part.
[0028]
【The invention's effect】
According to the first aspect of the present invention, since the extension member is attached to the vertical surface portion of the dash cross lower located above the dash lower, the position of the extension member is on the front side relative to the standard. Therefore, it is not necessary to largely bend the vicinity of the upper end portion of the dash lower toward the engine room as in the prior art. Therefore, when the extension member is removed, there is nothing that covers the upper part of the engine room, and the workability in the engine room is improved.
[0029]
According to the first aspect of the present invention, since the rear end portion of the extension member is mounted on both front-facing flanges joined at the vertical surface portion of the dash cross lower, the rear end portion of the extension member can be attached. Be certain.
[0030]
According to the first aspect of the present invention, since the cowl top side for supporting the extension member on the side end portion is provided, it is not necessary to attach the side end portion of the extension member to the strut housing, and the extension member can be easily attached. become.
[0031]
According to the invention described in claim 2 , since the space in the vertical direction is secured between the extension member and the upper surface of the strut housing, various components can be installed in the space.
[0032]
According to the third aspect of the present invention, since the seal member for ensuring airtightness is provided at the side end portion and the rear end portion of the extension member, the odor in the engine room does not enter the air box.
[0033]
According to the fourth aspect of the present invention, the extension member can be slid rearward with the side end portion of the extension member floating, and the extension member can be placed on the support bracket at the normal position. There is no possibility that the seal member at the side end portion is peeled off by friction.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing an air box structure of an automobile according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view showing an air box structure in an assembled state.
FIG. 3 is a side view of a cowl top side.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Dash lower 2 Dash upper 3 Dash cross lower 6 Vertical surface part 7 Dash cross upper 8 Support part 9 Extension member 13 Strut housing 21 Air box G Windshield

Claims (4)

A dash upper mounted rearward from the upper end of the dash lower extending in the vertical direction, a vertical surface mounted on the upper end of the dash lower and positioned above the dash lower, and a front end positioned further forward than the vertical surface A dash cross lower having a front end portion attached to the front end portion of the dash cross lower to form a support portion of the windshield, and a rear end portion attached to the rear end portion of the dash upper, and a rear end portion Is an air box structure of an automobile comprising an extension member attached in a detachable manner to the vertical surface portion of the dash cross lower and forming an air box with the dash cross lower ,
The dash cross lower is vertically divided at the vertical surface portion, and the front-facing flanges respectively formed at the divided ends are joined to each other, and the rear end portion of the extension member is mounted on both the joined flanges, An automobile air box structure comprising a cowl top side for mounting and supporting a side end portion of the extension member on a vehicle body on a side of the extension member . Cowl and an extension member which is supported by the top side between the upper surface of the strut housing, air box structure for an automobile according to claim 1, wherein the space securing the in the vertical direction. The automobile air box structure according to claim 1 or 2 , wherein a seal member for securing airtightness is provided at a side end portion and a rear end portion of the extension member. A hook having a flange bent outward at the upper end is provided at the upper part of the side end of the extension member, while a support bracket for placing the seal member of the side end of the extension member on the cowl top side, and above the support bracket And a guide bracket that slides backward with the hook flange mounted and the extension member floating from the support bracket, and the hook flange comes off at the normal position of the extension member to drop the extension member onto the support bracket. The air box structure of the automobile according to claim 3 provided.

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