CN112009571A - Structure of front wall upper plate - Google Patents
Structure of front wall upper plate Download PDFInfo
- Publication number
- CN112009571A CN112009571A CN202010486575.4A CN202010486575A CN112009571A CN 112009571 A CN112009571 A CN 112009571A CN 202010486575 A CN202010486575 A CN 202010486575A CN 112009571 A CN112009571 A CN 112009571A
- Authority
- CN
- China
- Prior art keywords
- wall portion
- opening
- front wall
- cowl top
- gasket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/14—Dashboards as superstructure sub-units
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/06—Sealing strips
Abstract
The invention provides a cowl top structure which has good impact energy absorption characteristics and inhibits water and air in an engine room from invading into an internal space. The cowl box section (6) has: a front wall section (11) extending in the vehicle width direction; an upper wall section (12) extending rearward from the upper end section (11a) of the front wall section (11); and a projecting corner (9) formed by connecting the upper end (11a) and the front end (12a) of the upper wall (12). A side wall portion (8) having an opening (14) and continuous with the front wall portion (11) and the upper wall portion (12) is provided on the outside of the projecting corner portion (9) in the vehicle width direction. A gasket (50) having flexibility is disposed in the opening (14). The gasket (50) seals the opening (14) over the entire circumference by abutting against the peripheral edge of the opening (14).
Description
Technical Field
The invention relates to a front wall upper plate structure.
Background
In a conventional cowl top structure, it is known to provide an opening at an end in the vehicle width direction of a protruding portion formed from a front wall and a rear wall of a cowl top cover, and to close the opening with a separate end panel (see, for example, patent document 1).
Documents of the prior art
Patent document
Patent document 1: japanese patent No. 5001548
Disclosure of Invention
In the above-described conventional cowl top structure, the locking projections provided at the front wall and the rear wall at predetermined intervals are locked with the locking holes of the projection receiving portions provided at the end plates. Thereby, the end plate is fixed to the opening.
However, with this configuration, the lower edge is not completely closed, and therefore sealing between the end plate and the cowl top cover is not possible. Therefore, there is a fear that water and odor in the engine room may enter the inner space of the cowl top cover through the gap between the end plate and the cowl top cover.
An air intake port of the air conditioner is provided in the inner space of the front wall upper panel cover. Therefore, if water and odor enter the air conditioner without control, there is a fear that the air conditioner is adversely affected. However, if the sealing property is improved, the rigidity is also increased, and the deformation at the time of collision or the like may be inhibited.
The purpose of the present invention is to provide a cowl top structure that has good impact energy absorption characteristics and that suppresses the intrusion of water and air in an engine compartment into an interior space.
The cowl top structure of the present invention is characterized by comprising: a front wall portion extending in the vehicle width direction; an upper wall portion extending rearward from an upper end portion of the front wall portion; a protruding corner portion formed by an upper end portion of the front wall portion and a front end portion of the upper wall portion; a side wall portion having an opening portion, which is continuous with the front wall portion and the upper wall portion on the vehicle width direction outer side of the projecting corner portion; and a flexible gasket provided to close the opening. The gasket has a sealing portion that seals the opening portion over the entire circumference by coming into contact with the peripheral edge of the opening portion.
Effects of the invention
According to the present invention, there is provided a cowl top structure that has excellent impact energy absorption characteristics and suppresses intrusion of water and air in an engine room into an interior space.
Drawings
Fig. 1 is a front wall upper panel structure according to an embodiment of the present invention, and is a perspective view seen diagonally from the front of the vehicle showing the entire configuration of the front wall upper panel.
Fig. 2 is a cowl top structure of the embodiment, and is a sectional view at a position along line II-II in fig. 1.
Fig. 3 is an exploded perspective view illustrating a configuration of a main part of the front wall upper plate structure of the embodiment.
Fig. 4 is a perspective view showing a front upper plate structure of the embodiment, to which a gasket (grommet) for sealing the opening over the entire circumference is attached.
Fig. 5 is a cowl top structure of the embodiment, and is a sectional view at a position along a line V-V in fig. 4.
Fig. 6 is a front wall upper plate configuration of the embodiment, and is a sectional view at a position along the line VI-VI in fig. 4.
Fig. 7 is a perspective view showing a configuration of an opening peripheral edge formed at an end portion of the cowl top according to the embodiment.
Fig. 8 is a front cowl top structure of the embodiment, and is a perspective view of the gasket of the end portion as viewed from the inside of the front cowl top.
Description of the reference numerals
8 side wall part
9 projecting corner
11 front wall part
11a upper end portion
12 upper wall part
12a front end portion
14 opening part
50 gasket
51 sealing part
Detailed Description
Hereinafter, an embodiment of the present invention will be described with reference to the drawings as appropriate. The same components are denoted by the same reference numerals, and redundant description thereof is omitted. When directions are described, unless otherwise specified, the description is basically based on front-back, left-right, or up-down as viewed from the driver. The "vehicle width direction" is synonymous with the "left-right direction".
Fig. 1 shows a structure in the vicinity of a cowl box portion 6 in a vehicle 1 to which a cowl top structure according to an embodiment of the present invention is applied. A hood panel 2 (see fig. 2) for covering the upper side is provided at an upper opening of an engine room E provided at the front of the vehicle body.
Further, a glass panel 3 is provided in front of the vehicle interior R. The cowl box portion 6 extends rearward of the rear end 2a of the hood panel 2 and below the front end 3a of the glass panel 3 in the vehicle width direction.
The cowl box portion 6 includes an instrument panel upper 4, a glass stay 7 that supports the front end 3a side of the glass panel 3, and a cowl top cover 10. The cowl box portion 6 is formed in a substantially box shape having a hollow space therein, and is supported from below by the dashboard lower 5.
That is, the rear edge 4a of the dashboard upper 4 is joined in a state in which three sheets are stacked, sandwiched in the vertical direction by the upper edge 5a of the dashboard lower 5 and the lower end 7b of the glass support 7.
The cowl box portion 6 includes a front side box portion 6c and a rear side box portion 6 d.
The front box portion 6c has a cowl top cover 10 extending in the vehicle width direction and having a hollow cross section formed therein.
The cowl top cover 10 mainly has: a front wall portion 11 extending in the vehicle width direction; an upper wall portion 12 extending rearward from an upper end portion 11a of the front wall portion 11; and a lower wall portion 13 having an inclined surface that descends from the lower end side of the front wall portion 11 toward the vehicle rear side, and having a hollow cross section whose cross-sectional shape in the vehicle front-rear direction is approximately コ.
The upper wall portion 12 has an inclination that descends from the front end portion 12a toward the vehicle rear. The upper wall portion 12 is integrally provided with a connecting portion 12c via a second bent portion 12 b.
The rear end of the connecting portion 12c is connected to the front end 3a of the glass panel 3 by a concave engagement groove portion.
The front wall portion 11 extends in the out-of-plane direction toward the vehicle front-rear direction. The lower wall portion 13 and the upper wall portion 12 are disposed at a predetermined interval in the vertical direction. The lower end of the lower wall portion 13 is connected to the front end 4b of the dash upper 4.
The rear box portion 6d is surrounded by the dashboard upper 4, the glass support 7, and a portion of the glass panel 3 on the front end 3a side, and has a hollow cross section.
The internal space of the front side box portion 6c and the internal space of the rear side box portion 6d communicate with each other in the vehicle front-rear direction, and the internal space of the cowl portion 6 is formed.
The upper end 11a of the front wall 11 and the front end 12a of the upper wall 12 constituting the front box 6c are connected to form a projecting corner 9.
Thus, the projecting corner portion 9 of the present embodiment is located at the uppermost portion of the cowl box portion 6 in the vehicle vertical direction, and is provided at a position on the front side in the front-rear direction and at which the upper portion of the rear end 2a of the hood panel 2 is covered.
As shown in fig. 3, side wall portions 8 that are continuous with the front wall portion 11, the upper wall portion 12, and the lower wall portion 13 on the vehicle width direction outer sides of the projecting corner portions 9 are provided at both end portions of the front box portion 6c, respectively.
The side wall portion 8 is formed in a ring shape having a substantially trapezoidal outer shape in plan view by a plate-like member having a flat single plane extending in the vehicle front-rear direction.
That is, a substantially trapezoidal opening 14 communicating in the vehicle width direction is formed at a central position within the surface of the side wall portion 8. The side wall portion 8 has four linear portions 18 extending along each side of the periphery of the opening 14, and four curved portions 20 located at four corners where the linear portions 18 intersect with each other and connecting the linear portions 18 to each other.
The outer peripheral edge 15 of the side wall portion 8 is connected along the outer side ends of the front wall portion 11, the projecting corner portion 9, and the upper wall portion 12 of the cowl top cover 10. The outer peripheral edge 15 of the side wall portion 8 is connected to the inner surface of the lower wall portion 13 and the connecting portion 12c in a direction perpendicular to the plane extending direction.
A sealing surface 17 is formed around the opening 14 of the side wall 8.
The sealing surface 17 has a substantially constant width dimension W between the outer peripheral edge 15 of the side wall portion 8 and the peripheral edge of the opening portion 14, and is formed continuously in a ring shape along each of the linear portions 18 and the curved portions 20.
In the cowl top structure according to the present embodiment, the ribs 8a to 8d are provided to protrude outward in the vehicle width direction by a predetermined height from the sealing surface 17 of the side wall portion 8 in the radial direction. The ribs 8a to 8d are provided to protrude from the vehicle exterior side surface of the side wall portion 8 corresponding to the curved portions 20.
A flexible gasket 50 is provided to close the opening 14.
Here, the gasket 50 on the vehicle left side out of the pair of gaskets 50 disposed on both left and right end portions of the front side box portion 6c will be described. The washer provided on the vehicle right side is substantially the same as or equal to the washer 50 on the vehicle left side, and therefore, the description thereof is omitted.
The gasket 50 has a thick plate-shaped base portion 56 having a substantially trapezoidal shape in plan view and having projections and depressions in the inward and outward directions, and a seal portion 51 provided on the vehicle width direction inner side surface of the periphery of the base portion 56. A thin lip 52 is formed in the seal portion 51.
In the state where the gasket 50 is provided in the opening portion 14, the seal portion 51 is pressed substantially uniformly over the entire circumference of the outer peripheral edge of the opening portion 14, and the lip portion 52 is brought into contact with the seal surface 17.
Thus, the lip portion 52 can seal the opening 14 so that water outside and air (odor) in the engine room E do not intrude into the cowl box portion 6.
The lip portion 52 is formed of a flat single plane, and there is no portion where rigidity locally increases, such as a rib. This makes it difficult to generate a gap or a float on the seal surface 17 of the present embodiment, thereby reliably sealing the seal surface.
The tip of the lip 52 linearly abuts against the sealing surface 17 to seal. This can maintain the sealing property even if the dimension W of the sealing surface 17 in the width direction is reduced. Thus, even if the width of the side wall portion 8 is set small, the sealing performance is not impaired. This can reduce the surface rigidity. Therefore, when the projecting corner portion 9 described later is deformed, the risk of the side wall portion 8 inhibiting the deformation can be reduced.
The washer 50 has claw portions 53 (see fig. 5) that engage with the respective linear portions 18 on the peripheral edge of the opening 14 from the out-of-plane direction.
In a state where the claw portions 53 are locked to the linear portions 18 and the washer 50 is attached to the opening portion 14 as shown in fig. 4, the side wall portion 8 is sandwiched by the claw portions 53 and the lip portions 52 locked to the linear portions 18.
At this time, the lip portion 52 is pressed by the seal surface 17 and elastically contacts while deforming in the out-of-plane direction. Thus, the tip of the lip portion 52 abuts against the sealing surface 17 without a gap in the out-of-plane direction, and the sealing between the sealing surface 17 and the lip portion 52 is reliably performed.
However, in each curved portion 20 shown in fig. 6, it is difficult to form the claw portion 53 having a predetermined strength along the arc shape of the curved portion 20, for example. Further, if the claw portion 53 and the curved portion 20 are not locked in a good state, they may float from the sealing surface 17, and a slight gap may be generated. Moreover, the claw portions 53 at the four corners are less likely to deform radially inward, and the lip portions 52 corresponding to the positions of the claw portions 53 are also less likely to follow the curved shape, thereby reducing the sealing performance.
Therefore, the gasket 50 of the present embodiment is not provided with the claw portions 53 at each of the four corners corresponding to the curved portions 20, and instead of these claw portions 53, thin elastic contact portions 54 are integrally provided from the base portion 55.
The elastic contact portion 54 is formed to be thin-walled substantially similarly to the lip portion 52. The elastic contact portion 54 is connected at the tip end so that the lip portion 52 is integrated. This facilitates the production of the gasket 50.
Further, at the time of attachment, the claw portions 53 of the washer 50 are inclined radially inward, and the elastic contact portions 54 are elastically deformed in the radial direction of the opening portion 14 with the root portions 55 as fulcrums, thereby facilitating attachment.
The opening 14 is substantially reliably sealed by two types of seals having different contact directions, in which the lip portion 52 is referred to as an out-of-plane direction seal and the elastic contact portion 54 is referred to as a radial direction seal.
Further, when the washer 50 of the present embodiment is attached to the opening 14, the claw portions 53 formed on the four linear sides are turned radially inward and locked to the linear portions 18, as shown in fig. 5. At this time, the elastic contact portions 54 at the four corners are formed to be thin. Thus, even if the claw portion 53 is formed continuously with the elastic contact portion 54, the movement of the claw portion 53 is not hindered. Therefore, the gasket 50 can be easily attached to the opening 14.
In a state where the gasket 50 is attached to the opening 14, the lip portion 52 abuts against the sealing surface 17 and seals the entire circumference.
In a state where the gasket 50 is attached to the opening portion 14, as shown in fig. 6, the elastic contact portion 54 is pressed and deformed in the radial direction, and abuts against and seals the inner peripheral edge of the opening portion 14 from the inside toward the outside in the radial direction. This further improves the sealing property.
Further, the claw portion 53 is locked to the inner peripheral edge of the opening portion 14, and the elastic contact portion 54 is abutted. Thereby, the mounting accuracy is well maintained.
In particular, even in a portion where the claw portion 53 is difficult to form, such as a corner portion shown in fig. 6, the elastic contact portion 54 abuts against the inner peripheral edge of the opening portion 14, and double sealing can be performed together with the lip portion 52. The lip portion 52 and the elastic contact portion 54 are in contact with the sealing surface 17 and the inner peripheral edge of the opening portion 14 by sufficient pressing forces from different directions.
Thus, by setting the dimension W in the width direction of the side wall portion 8 forming the sealing surface 17 small, the opening portion 14 can be set relatively large. Even if the claw portion 53 is difficult to form in the shape of the corner portion, reliable sealing performance can be maintained using the elastic contact portion 54.
Therefore, the degree of freedom of the shape of the linear portions 18, 18 and the curved portion 20 is increased, and the possibility of hindering a desired deformation can be reduced.
As shown in fig. 4, in a state where the gasket 50 is attached to the opening 14, the ribs 8a to 8d are formed between the contact portion of the lip portion 52 with the side wall portion 8 and the corner portion of the outer peripheral edge 15 of the side wall portion 8. The ribs 8a to 8d are provided to protrude from the vehicle exterior side surface of the side wall portion 8 by a predetermined height, and are formed by bending so as to follow the bent shape of each corner portion of the gasket 50.
Thus, the ribs 8a to 8d can be adjacent to the outer edges of the respective corner portions of the gasket 50 with a small gap.
The gasket 50 is accommodated within the outer shape of the outer peripheral edge 15 of the side wall 8 by the ribs 8a to 8 d. Thus, the tip of the lip portion 52 abuts against the sealing surface 17 over the entire circumference, and does not protrude outward from the outer circumferential edge 15.
Therefore, the user's finger is hard to enter the lower side of the lip 52, and the gasket 50 can be prevented from coming off. The ribs 8a to 8d block water transmitted through the sealing surface 17 like a dam, and can prevent water from entering the opening 14.
In the present embodiment, as shown in fig. 2, a bent portion 40 is formed in a part of the front wall portion 11. In addition, a second bent portion 12b is formed in a part of the upper wall portion 12.
As shown in fig. 7, the bent portion 40 and the second bent portion 12b overlap the opening portion 14 in the vehicle longitudinal direction L.
As shown in fig. 2, the bent portion 40 has a substantially く -shaped cross section and is easily deformed in the bending direction. In addition, a third bent portion 13a is formed in the lower wall portion 13. Further, the second bent portion 12b of the upper wall portion 12 or the third bent portion 13a of the lower wall portion 13 can be easily deformed following the deformation of the front wall portion 11 in the bending direction starting at the bent portion 40.
Thus, when the opening portion 14 aligned in the vehicle longitudinal direction L is bent at the bent portion 40, the opening portion is easily deformed. Therefore, better deformability can be obtained.
As shown in fig. 7, a guide portion 22 is provided below the rear end 2a side of the cover panel 2 and forward of the cowl portion 6 so that the longitudinal direction thereof is along the vehicle width direction.
The guide portion 22 includes a sealing wall portion 24 and a connecting wall portion 23 connecting the sealing wall portion 24 and the front wall portion 11. The guide portion 22 is formed in a substantially コ shape having an upper side opened in a cross section in the vehicle longitudinal direction.
The sealing wall portion 24 is positioned at the vehicle front side of the front wall portion 11, and extends vertically below the hood panel 2. A rubber seal 21 is provided at the upper end edge of the seal wall portion 24.
The rubber seal 21 is configured to abut against the lower surface of the hood panel 2 on the rear end 2a side.
In addition, a bent portion 40 is provided at the root of the guide portion 22 on the front wall portion 11 side. The bent portion 40 integrally connects the front wall portion 11 and the connecting wall portion 23 and extends in the vehicle width direction.
Further, the bent portion 40 required when forming the guide portion 22 can facilitate deformation of the front wall portion 11 serving as a starting point of bending when an impact load applied to the connecting wall portion 23 is transmitted to the cowl box portion 6. This makes it easy to further ensure desired deformation characteristics.
As shown in fig. 8, the bent portion 40 of the cowl top cover 10 is formed to be thin compared with other portions around the bent portion.
This makes it possible to further facilitate bending of the front wall portion 11 and the connecting wall portion 23 starting from the bent portion 40.
As shown in fig. 2, a notch portion (thinned portion) 30 having a groove portion formed in a substantially V-shaped cross section is provided on a portion facing the inside of the front side case portion 6c on the back side of the bent portion 40 (see fig. 8).
This further facilitates the bending of the front wall portion 11 and the connecting wall portion 23 at the cut-out portion 30 in the bent portion 40, thereby improving deformability.
Next, the operation and effects of the cowl top structure according to the present embodiment will be described.
As shown in fig. 1, a vehicle 1 employing a cowl top structure according to the present embodiment includes: a front wall portion 11 extending in the vehicle width direction; an upper wall portion 12 extending rearward from an upper end portion 11a of the front wall portion 11; and a projecting corner portion 9 formed by an upper end portion 11a of the front wall portion 11 and a front end portion 12a of the upper wall portion 12.
Further, the vehicle 1 includes: a side wall portion 8 having an opening 14, which is continuous with the front wall portion 11 and the upper wall portion 12 on the vehicle width direction outer side of the projecting corner portion 9; and a flexible gasket 50 provided to close the opening 14.
The gasket 50 has a seal portion 51 (see fig. 5 and 6) that seals the opening 14 over the entire circumference by abutting against a seal surface 17 provided on the peripheral edge of the opening 14.
The cowl top structure according to the present embodiment configured as described above can provide a cowl top structure that has excellent absorption characteristics of collision energy and does not cause odor to enter the interior space.
The gasket 50 for sealing the opening 14 has flexibility. Thus, when the projecting corner 9 is deformed, the gasket 50 does not hinder the deformation.
The gasket 50 is provided with a thin lip portion 52 (see fig. 5 and 6) at a seal portion 51 provided on the vehicle width direction inner side surface of the peripheral edge.
The seal portion 51 is configured to seal the opening 14 over the entire circumference by bringing the lip portion 52 into contact with the seal surface 17.
This prevents the intrusion of external water and air in the engine room E into the cowl box portion 6.
As shown in fig. 3, even if the dimension W in the width direction of the annularly continuous seal surface 17 is set small, good and necessary sealing performance can be obtained. Thus, when the projecting corner 9 is deformed, the side wall 8 does not hinder the deformation.
As shown in fig. 3, the side wall portion 8 has a flat single plane, and forms a sealing surface 17 that is continuous in a ring shape between the outer peripheral edge 15 of the side wall portion 8 and the peripheral edge of the opening portion 14, and the sealing portion 51 has a lip portion 52 that abuts against the sealing surface 17.
Thus, the opening 14 is sealed over the entire circumference, and water from the outside and air (odor) from the inside of the engine room E do not enter the internal space of the cowl box portion 6.
As shown in fig. 3, the side wall portion 8 has a linear portion 18 extending along each side of the periphery of the opening 14, and a curved portion 20 located at a corner portion where the linear portions 18, 18 intersect with each other and connecting the linear portions 18, 18 to each other.
As shown in fig. 5, the washer 50 has a claw portion 53 that engages with the linear portion 18 in the out-of-plane direction.
In the cowl top structure of the present embodiment configured as described above, the linear portion 18 and the curved portion 20 are connected, and the opening area of the opening portion 14 can be set large within a range in which the sealing performance can be ensured.
This ensures deformability of the cowl top cover 10.
When the washer 50 is attached to the opening 14, the claw portion 53 is locked to the linear portion 18. Thereby, the gasket 50 is easily attached to close the opening 14, and the pressing force for bringing the lip portion 52 into contact with the sealing surface 17 can be secured.
As shown in fig. 4, in a state where the gasket 50 is attached to the opening portion 14, ribs 8a to 8d are formed so as to protrude from the vehicle exterior side surface of the side wall portion 8 between the contact portion of the lip portion 52 with the side wall portion 8 and the corner portion of the outer peripheral edge of the side wall portion 8.
In the cowl top structure of the present embodiment configured as described above, the ribs 8a to 8d make it difficult for fingers of a user or the like to contact the lip portion 52. Therefore, the lip 52 is deformed in the rolling direction, and the gasket 50 can be prevented from coming off.
As shown in fig. 2, a bent portion 40 is formed in a part of the front wall portion 11. In addition, a second bent portion 12b is formed in a part of the upper wall portion 12.
As shown in fig. 7, the bent portion 40 and the second bent portion 12b overlap the opening portion 14 in the vehicle front-rear direction L.
Thus, the bending deformation is easily started from the front wall portion 11 provided with the bent portion 40 and the upper wall portion 12 provided with the second bent portion 12 b. This makes it easier to deform the openings 14 aligned in the vehicle longitudinal direction L with respect to the bent portion 40 and the second bent portion 12b, and more favorable deformability can be ensured.
As shown in fig. 7, a guide portion 22 is provided below the rear end portion of the cover panel 2 and forward of the front wall portion 11. The guide portion 22 has: a seal wall portion 24 that is positioned at the vehicle front side with respect to the front wall portion 11, extends in the vertical direction below the hood panel 2, and holds a rubber seal 21 as a seal that abuts against the hood panel 2; and a connecting wall portion 23 connecting the sealing wall portion 24 and the front wall portion 11.
The guide portion 22 is formed to extend in the vehicle width direction by the front wall portion 11, the seal wall portion 24, and the connecting wall portion 23. The bent portion 40 is provided between the front wall portion 11 and the connecting wall portion 23.
In this way, since the guide portion 22 is formed, the connecting portion provided between the front wall portion 11 and the connecting wall portion 23 can be used as the bent portion 40, and deformation of the front wall portion 11 is facilitated.
In the cowl top structure according to the present embodiment, the bent portion 40 is formed between the front wall portion 11 and the connecting wall portion 23 so as to be thinner than the front wall portion 11 and the connecting wall portion 23 and have an く -shaped cross section.
This makes it possible to further facilitate deformation of the front wall portion 11 by the bent portion 40. Therefore, when the deformation starts at the bent portion 40, the opening portion 14 located in the vehicle front-rear direction L is easily deformed. In this way, the opening 14 is easily deformed when the bent portion 40 is bent, and thus desired deformation characteristics can be obtained.
The bent portion 40 of the present embodiment is formed thinner than other portions such as the surrounding connecting wall portion 23. This makes it possible to further facilitate bending of the front wall portion 11 and the connecting wall portion 23 from the bent portion 40.
In the present embodiment, as shown in fig. 2, a notch 30 (see fig. 8) having a V-shaped groove is provided on the back side of the bent portion 40 at a portion facing the inside of the front side case portion 6 c.
This allows the front wall portion 11 and the connecting wall portion 23 to be deformed by bending further from the notch portion 30 of the bent portion 40.
The present invention is not limited to the above embodiments, and various modifications can be made. The above embodiments are provided for easy understanding of the present invention, and are not limited to having all the configurations described. In addition, a part of the configuration of one embodiment may be replaced with the configuration of another embodiment, and the configuration of another embodiment may be added to the configuration of one embodiment. In addition, a part of the configuration of each embodiment can be deleted or another configuration can be added·And (4) replacement. Modifications that can be implemented with respect to the above-described embodiment are, for example, as follows.
In the present embodiment, the gasket 50 has a lip portion 52 (see fig. 5 and 6) formed in a seal portion 51 provided on the vehicle width direction inner side surface of the peripheral edge, and is sealed in two layers by the linear portion 18 and the curved portion 20.
However, the present invention is not particularly limited to this, and for example, a groove serving as a drain passage or a minute gap based on the floating of the gasket 50 may be formed in a part of the seal portion 51 (lip portion 52) provided at the peripheral edge of the gasket 50, and the shape, number, arrangement, and deformation direction of the gasket 50 and the opening portion 14 in the sealed state are not particularly limited.
Claims (7)
1. A cowl top structure characterized by comprising:
a front wall portion extending in the vehicle width direction;
an upper wall portion extending rearward from an upper end portion of the front wall portion;
a protruding corner portion formed by an upper end portion of the front wall portion and a front end portion of the upper wall portion;
a side wall portion having an opening portion that is continuous with the front wall portion and the upper wall portion on an outer side of the projecting corner portion in the vehicle width direction; and
a flexible gasket provided to close the opening,
the gasket has a sealing portion that seals the opening portion over the entire circumference by abutting against a sealing surface provided on the peripheral edge of the opening portion.
2. The cowl top structure according to claim 1,
the side wall portion has a flat single plane, the sealing surface is continuously formed in an annular shape between an outer peripheral edge of the side wall portion and an opening peripheral edge of the opening portion,
the seal portion has a lip portion abutting against the seal surface.
3. The cowl top structure according to claim 2,
the side wall portion has linear portions extending along respective sides of a periphery of the opening portion, and curved portions located at corner portions where the linear portions intersect with each other and connecting the linear portions to each other,
the gasket has a claw portion that engages with the linear portion in an out-of-plane direction.
4. The cowl top structure according to claim 2 or 3,
when the gasket is mounted, a rib is formed between the contact portion of the lip portion and the corner portion of the outer peripheral edge of the side wall portion.
5. The cowl top structure according to any one of claims 1 to 4,
a bent portion is formed at least in a part in the front wall portion or the upper wall portion,
the bent portion is overlapped with the opening portion in the vehicle front-rear direction.
6. The cowl top structure according to claim 5, characterized by having:
a seal wall portion that is positioned at the front of the vehicle with respect to the front wall portion, extends in the vertical direction below the hood panel, and holds a seal that is in contact with the hood panel; and
a connecting wall portion connecting the sealing wall portion and the front wall portion,
a guide portion extending in the vehicle width direction is formed by the front wall portion, the seal wall portion, and the connecting wall portion,
the bent portion is provided between the front wall portion and the connecting wall portion.
7. The cowl top structure according to claim 5 or 6,
the bent portion is formed to be thinner than other portions around the bent portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019103325A JP6846461B2 (en) | 2019-05-31 | 2019-05-31 | Cowl top structure |
| JP2019-103325 | 2019-05-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112009571A true CN112009571A (en) | 2020-12-01 |
| CN112009571B CN112009571B (en) | 2023-01-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010486575.4A Active CN112009571B (en) | 2019-05-31 | 2020-06-01 | Front wall upper plate structure |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6846461B2 (en) |
| CN (1) | CN112009571B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7405879B2 (en) | 2022-02-07 | 2023-12-26 | 本田技研工業株式会社 | cowl top structure |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE710604A (en) * | 1967-06-29 | 1968-06-17 | ||
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6846461B2 (en) | 2021-03-24 |
| CN112009571B (en) | 2023-01-10 |
| JP2020196326A (en) | 2020-12-10 |
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