JP3020236B2 - Opening seal structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a sealing member for sealing an opening of a mating component, such as a cowl top panel, with a seal receiving surface around the opening when the opening is closed by another component such as a cover air intake. The present invention relates to an opening seal structure to be brought into contact.

[0002]

2. Description of the Related Art When an opening of a mating component such as a cowl top panel is closed by another component such as a cover air intake, a sealing material is brought into contact with a seal receiving surface around the opening. This sealing material is generally attached to the cover.

In order to attach the seal member 20 to the cover 21, first, both ends prepare a seal member 20 having a right angle, and a seal arrangement formed on the peripheral portion of the back surface of the cover 21 as shown in FIG. At point D of zone 22, the sealing material 20
Is bonded to the seal arrangement zone 22 in the clockwise direction with this point D as the bonding start point, and the other end 20b of the seal material 20 is abutted against the one end 20a of the seal material 20. I was

[0004]

However, in the above-described conventional opening seal structure, since the seal member 20 is attached to the cover 21 by a terminal butt system, the length of the seal member 20 is reduced. In the case where a length variation due to the dimensional error or the strength of the tensile force of the worker due to the sticking work occurs, the ends of the seal material 20 cannot be abutted without a gap, and the resealing work of the seal material 20 must be performed. No. That is, when the sealing material 20 is too long, the discontinuous portion of the sealing material 20 does not occur as shown in FIG. 7A, but when the sealing material 20 protrudes outward, only the appearance is poor. In addition, the sealing material 20 is partially displaced inward and outward from a sealing material receiving surface (not shown) on the mating component side, and the pressing width of the sealing material 20 is reduced accordingly, thereby reducing the sealing effect. there were.

If the sealing material 20 is too short,
As shown in FIG. 7B, discontinuous portions of the sealing material 20 occurred.

Further, in order to adjust the variation in the length of the sealing material 20, as shown in FIG.
0 is set longer, and the remaining portion 20a is
As shown in (2), in order to cut at point D with scissors 23 or the like, this cutting step is required.

The present invention has been made in view of the above problems, and an object of the present invention is to improve the sealing effect by making it possible to bring the sealing material into close contact without abutting the ends thereof. Another object of the present invention is to provide an opening sealing structure that does not require resealing of a sealing material and that does not require cutting the sealing material even if the length of the sealing material varies.

[0008]

According to the present invention, when an opening of a mating part is closed by a cover, a sealing material is brought into contact with a seal receiving surface around the opening. In the opening seal structure to be provided, on the back surface of the cover, a protruding portion which is located inside the seal arrangement zone formed on this back surface and in which the seal material comes into contact is provided, and when the seal material is arranged in the seal arrangement zone, The seal material is adhered to the seal arrangement zone starting from one end of the seal material, and the other end of the seal material is brought into contact with the protruding portion and the portion where the protruding portion abuts is A bent portion is formed by being bent inward of the cover, and a bent portion formed on one end surface of the sealing material or the one end portion along the outside of the bent portion.
Is characterized in that the inside is abutted.

[0009]

With this configuration, one end of the seal material is attached to the seal arrangement zone at the bonding start point, and the other end of the seal material is bent inward to form a bent portion formed at one end of the seal material.
One end of the sealing material is inserted into the gap between the bent portion formed on the end face or one end and the protruding portion, and is attached to the other end of the sealing material.
The inside of the surface or bent part is brought into contact.

When the length of the sealing material varies, the length is adjusted at the sealing material surplus portion from the bent portion of the sealing material to one end of the sealing material.

[0011]

An embodiment of the present invention will be described below with reference to the drawings. 1 is an exploded perspective view of a cover structure provided with an opening seal structure according to the present invention, FIG. 2 is a perspective view of the cover structure in which an opening is closed by a cover, and FIG.
FIG. 1 is a configuration explanatory view of an embodiment of an opening sealing structure according to the present invention.

The cowl top panel 1, which is a mating part, includes a surface 1a having a gentle curved surface and an inclined surface 1b inclined rightward and upward to the right of the surface 1a. An opening 2 is formed over the inclined surface 1b. A sealing material receiving surface 3 is formed around the opening 2, and portions 3 b, 3 c, and 3 d on the surface 1 a side of the sealing material receiving surface 3 except for the portion 3 a on the inclined surface 1 b side are the same. Lies in a plane.

That is, the surface portion 1 of the cowl top panel 1
Since a has a curved upper surface, it is difficult to match with a cover to be described later.
3c and 3d are raised from the surface portion 1a so as to be on the same plane. At both ends of the opening 2, locking portions 4 protruding from the back of the cowl top panel 1 are provided.

The opening 2 is closed by a cover 5. The cover 5 covers the opening 2 on the surface 1 a side of the cowl top panel 1.
a, a cover inclined surface portion 5b that covers a portion of the opening 2 on the side of the inclined surface portion 1b of the cowl top panel 1 is integrally formed. The portions 6b, 6c, and 6d on the cover surface portion 5a side except the portion 6a on the inclined surface portion 5b side of the seal arrangement zone 6 are in the same plane.

At both ends of the back surface of the cover 5, locking legs 7 are projected, and these locking legs 7 are locking piece portions 7a.
Is formed with a locking projection 7b. On the back side of the cover surface portion 5a, substantially at the center of the portion 6c of the seal arrangement zone 6, inward from the portion 6c (center side of the cover).
And a protruding portion 8 is protruded.

The seal arrangement zone 6 of the cover 4
Is adhered with an adhesive. That is, the sealing material 9 has a rectangular cross section,
The left end 9a, which is one end of the cover 5, has an end face 10a that is a mating surface that is inclined inward of the cover 5. The length of the sealing material 9 is longer than the entire length of the sealing arrangement zone 6.

The seal arrangement zone 6 of the cover 5
Affixing of the sealing material 9 to the device is performed as follows. That is, as shown in FIG. 3, the left end 9a of the sealing material 9 is positioned at the point A of the portion 6a of the seal arrangement zone 6, and this point A is set as the bonding start point. At the point A, the left end 9a of the sealing material 9
Are bonded, the end face 10a and the B
The gap between the point (the seal material bending point) is substantially equal to the width dimension of the seal material 9.

Then, the sealing material 9 is rotated clockwise with the point A as the bonding start point, and the portions 6a, 6b, 6
c, 6d, and 6a, and the other part of the sealing material 9 is inserted into a gap between the end face 10a of the left end 9a of the sealing material 9 and the protruding portion 8 to form the left end 9a of the sealing material 9. End face 10a
The right end 9b, which is the other end of the sealing material 9, is bent inward of the cover body 9.

When bending the sealing material 9 inward,
If there is no point B (sealing material bending point) of the projecting portion 8, FIG.
As shown in the figure, the bent portion 11 of the sealing material 9 becomes an arc, and a gap m is formed between the sealing material 9 and the end surface 10a of the left end 9a, thereby reducing the sealing effect. Even if the length of the sealing material 9 varies, the portion from the bent portion 11 of the sealing material 9 to the other end 10b of the sealing material 9 becomes the sealing material surplus portion 12, and the sealing material surplus portion 12
Thus, the length can be adjusted, and it is not necessary to cut the sealing material 9.

The cover 5 to which the sealing material 9 is attached in this manner locks the locking projections 7b of the locking legs 7 with the locking portions 4 of the opening 2 and closes the opening 2. . In this case, the sealing material 9 abuts on the sealing material receiving surface 3 without any gap and seals the opening 2.

In the above-described embodiment, an end face 10a having an inclined surface is formed at the left end 9a of the sealing material 9, and the end face 1a of the left end 9a of the sealing material 9 is adhered when the sealing material 9 is bonded.
Although the mating surface portion 0a was brought into contact with the bent portion 11, the end surface 10a consisting of an inclined surface was not formed on the left end portion 9a of the sealing material 9 as shown in FIG. 4), the left end 9a of the sealing material 9 is bent outward and adhered to the portion 6a of the seal arrangement zone 6, and then the portions 6b, 6c, 6d, 6 of the seal arrangement zone 6 are turned clockwise.
a, and the other end 9b of the sealing material 9 is inserted into the gap between the bent portion 13 on the left end 9a side of the sealing material 9 and the protruding portion 8, and the bent portion 11 of the sealing material 9 is inserted. The bent portion 13 may be brought into contact with the cover member 9 so that the right end 9 b of the sealing material 9 is bent inward of the cover 5.

[0022]

As described above, according to the present invention, the protrusion is provided inside the seal arrangement zone formed on the back surface of the cover and in which the seal material abuts, and the seal member is provided in the seal arrangement zone. In arranging, the seal material is adhered to the seal arrangement zone starting from one end of the seal material,
The other end portion of the seal member to form a bent portion projecting shape portion is bent inward of the cover from contacting portion is brought into contact with the protruding portion, the outer the bent portion Is brought into contact with one end of the sealing material, so that the ends of the sealing material can be brought into close contact with each other without abutting each other, so that the sealing effect can be improved. become.

Further, even if the length of the sealing material varies, the length from the bent portion of the sealing material to one end of the sealing material becomes a surplus sealing material. And the need to cut the sealing material is eliminated.

Further, one end of the sealing material is bent to form a bent portion which is a mating surface portion, and the inside of the bent portion is formed.
If the other end of the sealing material is fitted to the outside of the bent portion formed by bending , the sealing material can be brought into close contact without abutting the end surfaces of the one end and the sealing effect can be improved. It is also possible to eliminate the need for reattaching the sealing material.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a cover structure provided with an opening seal structure according to the present invention.

FIG. 2 is a perspective view showing a state where an opening is closed by a cover in the cover structure.

FIG. 3 is a structural explanatory view of an embodiment of an opening sealing structure according to the present invention.

FIG. 4 is an explanatory diagram of a behavior of an end portion of the seal material in a case where there is no protrusion in arranging a seal material in a seal arrangement zone of a cover.

FIG. 5 is a structural explanatory view of another embodiment of the opening seal structure according to the present invention.

FIG. 6 is a configuration explanatory view of a conventional opening seal structure.

FIG. 7A is an explanatory diagram of a behavior of the sealing material when the sealing material is too long. (2) is an explanatory view of the behavior of the sealing material when the sealing material is too short.

FIGS. 8 (1) and (2) are explanatory views showing a conventional adjustment method in the case where the length of the sealing material varies in length.

[Explanation of symbols]

 Reference Signs List 1 cowl top panel (part) 2 opening 3 sealing material receiving surface 5 cover 6 seal arrangement zone 8 protruding portion 9 sealing material 9a one end (left end) 9b other end (right end)10a End face  11 Bent part 12 Surplus seal material part

Claims (2)

(57) [Claims] When an opening of a mating component is closed by a cover, an opening seal structure is formed on a back surface of the cover and in a back surface of the cover, wherein a sealing material is brought into contact with a seal receiving surface around the opening. A projection is provided inside the seal arrangement zone where the seal material abuts, and when the seal material is arranged in the seal arrangement zone, the seal is arranged in the seal arrangement zone starting from one end of the seal material. bonding the wood, the other end portion of the seal member to form a bent portion projecting shape portion is bent inward of the cover from contacting portion is brought into contact with the protrusion, the An opening sealing structure, wherein an end surface of one end of the sealing material is abutted along the outside of the bent portion. 2. When closing an opening of a mating part with a cover.
Then, apply a sealing material to the seal receiving surface around this opening.
In the opening seal structure to be brought into contact, the back surface of the cover
Inside the seal arrangement zone formed on this back side
To provide a projecting portion with which the sealing material abuts.
When arranging in the seal arrangement zone,
The seal material is connected to the seal arrangement zone starting from one end.
And the other end of the sealing material is brought into contact with the protruding portion.
And from the place where the protrusion comes into contact with the inside of the cover
Bend to form a bend, and along the outside of the bend
The inside of the bent part formed at one end of the sealing material was contacted
An opening sealing structure, characterized in that: