JP2009073316A - Roof weather strip for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a roof weather strip for an automobile having excellent mountability and low manufacturing cost. <P>SOLUTION: This roof weather strip 10 is constituted of a first weather strip portion 20, a second weather strip portion 30 and a connecting portion 40. Each of the first weather strip portion 20 and the second weather strip portion 30 is constituted of each of first mounting base portion 22 and second mounting base portion 32 formed by solid materials and each of first seal portion 21 and second seal portion 32 formed by sponge materials. A retainer 60 has a first retaining portion 61 and a second retaining portion 62. In the roof weather strip 10, a first mounting base portion hook 26 engaged to a distal end of the first retaining portion 61 is formed at a side end of the first mounting base portion 22, and second mounting portion, first hook portion 35 and second mounting portion second hook 36 extended downward to be mutually faced from both side ends of a lower face of the second mounting base portion 32 are formed to be engaged to the second retaining portion 62. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an automobile roof weather strip that seals between a movable roof panel that opens and closes an automobile roof and a windshield.

In an open car type automobile, as shown in FIG. 2, a movable roof is attached so that the roof panel 6 of the automobile enters and exits in the front direction from the rear of the vehicle body 1. When the roof panel 6 is closed, the tip of the roof panel 6 comes into contact with the body panel 4 on the upper side of the windshield 5.
The windshield 5 is held by the front pillar 3 on both sides thereof and held by the body panel 4 on the upper side.

  As shown in FIG. 3, the conventional seal structure on the upper side of the windshield 5 includes a roof weather strip 110 attached to the body panel 4, and the movable roof panel 6 and the body panel 4 on the upper side of the windshield 5. The space between them is sealed. This roof weather strip 110 has a double seal structure in order to improve the sealing performance, and the first weather strip portion 120 abutting against the tip of the roof panel 6 and the first weather strip portion 120 are in contact with each other. It has the 2nd weather strip part 130 contact | abutted to the back surface of the roof panel 6 on the rear side rather than the contact part, and the connection part 140 which connects the 1st weather strip part 120 and the 2nd weather strip part 130. (For example, refer to Patent Document 1).

  In this case, the trim portion 122 in which the insert of the second weather strip portion 130 is embedded is attached to the flange portion at the tip of the body panel 4, and the second weather strip portion 130 and the connecting portion 140 are bonded on both sides. It is attached to the body panel 4 with a tape 141 or a clip.

  However, the connecting part 140 is formed of a solid material having high rigidity, is used for fixing the first weather strip part 120, is used for the double-sided adhesive tape 141, or is used for fixing the second weather strip part 130. An insert is used in the trim portion 122. Therefore, the assembly is easy, but the insert and the double-sided adhesive tape are expensive, which causes an increase in cost and weight.

Therefore, as shown in FIG. 4, there is also one that fits and attaches the attachment base portion 240 of the roof weather strip 210 to the retainer 260 (see, for example, Patent Document 2).
However, in this case, in order to fit the attachment base portion 240 inside the retainer 260, it is necessary to bend the central portion of the attachment base portion 240 into a square shape.

Therefore, as shown in FIG. 5, an engagement recess 351 and an engagement end 352 are formed in the attachment molding 350, an engagement protrusion 341 and an engagement recess 342 are formed in the attachment base 340 of the weather strip 310, After inserting the latching end 352 into the engaging recess 342, there is one in which the latching projection 341 is fitted into the engaging recess 351 (see, for example, Patent Document 3).
However, when the roof weather strip 110 has two seal portions and there are two attachment bases 340, the shapes of the attachment molding 350 and the attachment base 340 become complicated, the manufacturing cost increases, It will take time and effort.
JP-A-5-301525 Utility Model Registration No. 2543917 Japanese Patent Laid-Open No. 2004-233791

  Therefore, an object of the present invention is to provide a roof weather strip for automobiles having excellent mounting properties and low manufacturing costs.

In order to solve the above-mentioned problems, the present invention of claim 1 is directed to a roof weather strip for automobiles that seals between the front end of the movable roof panel and the upper side of the windshield.
The roof weather strip includes a first weather strip portion that contacts the front end of the movable roof panel, and a second wafer that contacts the rear surface of the movable roof panel on the rear side of the portion where the first weather strip portion contacts. The strip part, and a connecting part that integrally connects the first weather strip part and the second weather strip part,
The first weather strip part and the second weather strip part are respectively a first attachment base part and a second attachment base part made of a solid material attached to a body panel retainer on the upper side of the windshield, and a movable roof panel. It is composed of a first seal part and a second seal part formed of a sponge material that comes into contact with
The retainer has a retainer first holding portion for attaching the first attachment base and a retainer second holding portion for attaching the second attachment base,
Forming a first attachment base flange that engages with a tip of the retainer first holding portion at a side end of the first attachment base;
A second attachment portion first flange portion and a second attachment portion second flange portion that extend downward from both side ends of the lower surface of the second attachment base portion so as to engage with the retainer second holding portion are formed. This is a roof weather strip for automobiles.

  According to the first aspect of the present invention, in the roof weather strip for automobiles that seals between the front end of the movable roof panel and the upper side of the windshield, the roof weather strip contacts the front end of the movable roof panel. A first weather strip portion that contacts, a second weather strip portion that contacts the back surface of the movable roof panel on the rear side of a portion where the first weather strip portion contacts, a first weather strip portion, and a second weather strip portion. It is comprised from the connection part which connects the strip part integrally.

  For this reason, the first weather strip portion and the second weather strip portion can be double sealed between the front end of the movable roof panel and the upper side portion of the windshield, and rainwater and noise can be reliably ensured. Can be sealed. Further, since the first weather strip portion and the second weather strip portion are integrally connected by the connecting portion, when the roof weather strip is attached, the second weather strip portion is fixed to stabilize the position. Thereafter, the first weather strip portion can be fixed, and attachment is easy. Further, the entire roof weather strip can be formed at the same time, and is easy to manufacture.

  The first weather strip part and the second weather strip part are respectively a first attachment base part and a second attachment base part made of a solid material attached to a body panel retainer on the upper side of the windshield, and a movable roof panel. It is comprised from the 1st seal part and the 2nd seal part which were formed with the sponge material which contacts.

  For this reason, the first mounting base and the second mounting base have high rigidity and can be reliably fixed to the upper side of the windshield. When the roof weather strip is attached, the first weather strip and the second mounting base are fixed. It is possible to prevent the weather strip portion from expanding and contracting in the longitudinal direction. Furthermore, the 1st seal part and the 2nd seal part have flexibility, and follow the change of the shape of the front side tip of the movable roof panel and the top side part of the windshield and the variation of the dimensions, and ensure the sealing performance. can do.

  Since the retainer has a retainer first holding portion for attaching the first mounting base and a retainer second holding portion for attaching the second mounting base, the first seal portion and the second sealing portion can be reliably opened and closed even when the movable roof panel is opened and closed. The position of the seal portion is stable and can be surely brought into contact with the movable roof panel, and sealing performance can be ensured.

  Since the first attachment base flange that engages the tip of the retainer first holding portion is formed at the side end of the first attachment base, the first attachment base flange is attached after the second attachment base is attached to the retainer second holding portion. The first mounting base can be easily attached to and held by the retainer by pressing the front end of the retainer first holding portion.

  A second attachment portion first flange portion and a second attachment portion second flange portion that extend downward from both side ends of the lower surface of the second attachment base portion so as to engage with the retainer second holding portion are formed. . For this reason, by pressing the second mounting base portion against the retainer second holding portion, the second mounting portion first flange portion and the second mounting portion second flange portion are easily locked to the retainer second holding portion, and the second The attachment base portion can be attached to the retainer second holding portion, and the roof weather strip can be easily attached.

  According to the second aspect of the present invention, the retainer second holding portion is formed in a substantially T shape, and the second attachment portion first flange portion and the second attachment portion are formed on both side ends of the retainer second holding portion head which is a T-shaped head. 2 is a roof weather strip for an automobile in which a second hook portion is engaged.

  According to the second aspect of the present invention, the retainer second holding portion is formed in a substantially T shape, and the second attachment portion first flange portion and the second attachment portion are formed on both side ends of the retainer second holding portion head which is a T-shaped head. 2 The attaching part 2nd collar part was engaged. For this reason, when the second mounting base is pressed against the retainer second holding portion head which is a T-shaped head, the second mounting portion first flange portion and the second mounting portion second flange portion become the retainer second holding portion head. The second attachment base portion can be attached to the retainer second holding portion by engaging the back surface of the head portion of the retainer second holding portion while sliding both side ends of the retainer.

  According to a third aspect of the present invention, there is provided a roof weather strip for an automobile in which the retainer has a retainer first holding portion and a retainer connecting portion for connecting the retainer second holding portion, and the retainer connecting portion is fixed to the body panel. is there.

  According to the third aspect of the present invention, the retainer has a retainer first holding portion and a retainer connecting portion that connects the retainer second holding portion, and the retainer connecting portion is fixed to the body panel, so that the roof weather strip is held. The retainer can be securely fixed to the body panel at a portion that does not affect the function.

  The present invention of claim 4 is an automobile roof weather strip in which a head of the wind molding covers a gap between the first mounting base and the front end of the windshield.

  In the present invention of claim 4, since the head of the wind molding covers the gap between the first mounting base and the tip of the windshield, it can cover the gap between the windshield and the retainer or body panel, The appearance of rain water or the like can be prevented and the appearance from the outside of the vehicle can be improved.

  The present invention of claim 5 is the roof weather strip for automobiles in which the seal portions of the first weather strip portion and the second weather strip portion are both hollow seal portions.

  According to the fifth aspect of the present invention, since the seal portions of the first weather strip portion and the second weather strip portion are both hollow seal portions, even if the position of the roof panel slightly shifts, Both of the seal portions of the strip portion and the second weather strip portion can be surely and flexibly abutted against the roof panel with a predetermined seal pressure to ensure and enhance the sealing performance.

  According to the sixth aspect of the present invention, the tip of the movable roof panel abuts against the hollow seal portion of the first seal portion, and the tip of the hollow seal portion of the second seal portion contacts the back surface of the movable roof panel. It is a roof weather strip for automobiles in contact.

  In the present invention of claim 6, the tip of the movable roof panel abuts on the hollow seal portion of the first seal portion, and the tip of the hollow seal portion of the second seal portion contacts the back surface of the movable roof panel. Therefore, even if the position of the front end of the roof panel varies, the first seal portion can reliably contact and seal, and the second seal portion contacts the back surface of the movable roof panel and rainwater or the like enters the vehicle. Can be prevented.

  Since the first mounting base flange that engages the tip of the retainer first holding portion is formed at the side end of the first mounting base, the first mounting base can be easily installed after the second mounting base is mounted on the retainer second holding portion. Can be attached to the retainer. Because the second attachment portion first flange portion and the second attachment portion second flange portion that extend downward from both side ends of the lower surface of the second attachment base portion so as to engage with the retainer second holding portion are formed. By pressing the second mounting base against the retainer second holding part, the second mounting part first hook part and the second mounting part second hook part are easily locked to the retainer second holding part, and the second mounting base part Can be attached to the retainer second holding portion, and the roof weather strip can be easily attached.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.
1 to 2 are cross-sectional views showing a state in which a roof weather strip 10 is attached to a body panel 4 on an upper side portion of a windshield 5 and in contact with a front end of a movable roof panel 6 according to an embodiment of the present invention. FIG. 2 is a perspective view of an automobile showing a portion to which the roof weather strip 10 of the present invention is attached.

  As shown in FIG. 2, the present invention relates to a roof weather strip 10 used in an automobile having a movable roof panel 6. The roof weather strip 10 is attached to the upper side of the windshield 5. The windshield 5 is held by a front pillar 3 on both sides thereof, and is held by a body panel 4 formed integrally with the front pillar 3 on the upper side. The roof panel 6 is housed on the rear side of the vehicle body 1 when it is open, and when it is closed, it moves in the front direction from the vehicle body 1 on the rear side so that the tip of the roof panel 6 contacts the body panel 4.

An embodiment of the present invention will be described with reference to FIG. FIG. 1 is a cross-sectional view taken along the line XX in FIG.
A body panel 4 is provided on the inner side of the vehicle on the upper side of the windshield 5, and a retainer 60 for attaching the roof weather strip 10 is attached to the body panel 4.

  The retainer 60 includes a retainer first holding portion 61 for attaching a first seal portion 21 of the roof weather strip 10 described later, a retainer second holding portion 62 for attaching a second seal portion 31, a retainer first holding portion 61, and a retainer. A retainer connecting portion 64 that connects the second holding portion 62 is formed. For this reason, even when the roof panel 6 is opened and closed, the first seal portion 21 and the second seal portion 31 can be reliably brought into contact with the roof panel 6, and sealing performance can be ensured.

  The retainer coupling portion 64 is formed in a flat plate shape, and is formed continuously with the respective distal ends of the retainer first holding portion 61 and the retainer second holding portion 62. The retainer 60 can be formed by bending one sheet metal in the order of the retainer first holding portion 61, the retainer connecting portion 64 and the retainer second holding portion 62.

As shown in FIG. 1, the retainer connecting portion 64 is fixed to the body panel 4 with a retainer mounting screw 65. Therefore, the retainer 60 can be securely fixed to the body panel 4 at a portion that does not affect the holding function of the retainer first holding portion 61 and the retainer second holding portion 62 of the roof weather strip 10.
Other than the retainer mounting screw 65, the retainer 60 can be fixed to the body panel 4 by welding, clips, or the like.

  The retainer first holding portion 61 is formed in a flat plate shape, and the tip is bent in the direction of the windshield 5 to form the retainer first holding portion tip 66. The other end of the retainer first holding portion 61 is continuous with the retainer connecting portion 64 as described above. The retainer first holding portion 61 is formed so as to bend between the retainer connecting portion 64 and face the tip of the roof panel 6. For this reason, the 1st seal | sticker part 21 mentioned later can contact | abut so that the front-end | tip of the roof panel 6 may be opposed.

  The retainer second holding portion 62 is formed in a substantially T shape. The portion which is the T-shaped leg portion is continuous with the retainer connecting portion 64. The retainer second holding portion head 63, which is a T-shaped head, is formed in parallel with the retainer connecting portion 64. As shown in FIG. 2, the retainer second holding portion 62 extends from the retainer connecting portion 64 and is formed by bending one sheet metal into a hair pin shape.

  The roof weather strip 10 has a first weather strip portion 20 in contact with the front end of the roof panel 6 and a rear surface of the movable roof panel 6 on the rear side of the portion where the first weather strip portion 20 contacts. It comprises a second weather strip portion 30 that abuts, and a connecting portion 40 that integrally connects the first weather strip portion 20 and the second weather strip portion 30 together.

  The roof weather strip 10 doubles the opening portion between the front end of the movable roof panel 6 and the upper side of the windshield 5 by the first weather strip portion 20 and the second weather strip portion 30. It can be sealed, and rainwater and noise can be reliably sealed. Further, since the first weather strip portion 20 and the second weather strip portion 30 are integrally connected by the connecting portion 40, when the roof weather strip 10 is attached to the roof panel 6, first, the second weather strip 10 is attached. The strip portion 30 can be fixed to stabilize the position, and then the first weather strip portion 20 can be fixed using the second weather strip portion 30 as a fulcrum, and attachment is easy.

  The first weather strip portion 20 is formed of a hollow first seal portion 21 formed of a sponge material that contacts and seals the tip of the roof panel 6 and a solid material attached to the retainer first holding portion 61. It is comprised from the plate-shaped 1st attachment base 22 bent in the substantially L shape made.

  When the first seal portion 21 comes into contact with the tip of the roof panel 6, it can be flexibly deformed and sealed. The side end of the first seal portion 21 on the windshield 5 side is continuous with the side end of the first mounting base portion 22. The other side end of the hollow first seal portion 21 is continuous near the boundary between the first mounting base portion 22 and a connecting portion 40 described later. The first seal portion 21 can also be formed in a lip shape.

  The first attachment base 22 is formed in a substantially L shape, and the first attachment base first wall 23 on one side is continuous with the connection portion 40 and faces the retainer connection portion 64. The first mounting base second wall 24 on the other side has a protrusion 27 formed on the back surface, and the protrusion 27 abuts on the retainer first holding portion 61.

  A first attachment base flange portion 26 that engages with a retainer first holding portion distal end portion 66 of the retainer first holding portion 61 is formed at a side end of the first attachment base portion 22. For this reason, as will be described later, after the second mounting base portion 32 is attached to the retainer second holding portion 62 and the first mounting base flange portion 26 is pressed against the retainer first holding portion distal end portion 66, the first mounting base portion The portion 26 can be engaged with the retainer first holding portion distal end portion 66.

  A wind molding 50 is attached to the windshield 5. The wind molding 50 is formed of a wind molding leg 51 and a wind molding head 52. The wind molding leg 51 is attached and fixed to the tip of the windshield 5. The wind molding head 52 is in contact with both the front end of the windshield 5 and the first mounting base front end portion 25, and the wind molding head 52 is adhered to the windshield 5 with a double-sided adhesive tape 53. The portion 51 is fitted to the tip of the windshield 5.

  The wind molding head 52 covers the space between the windshield 5 and the retainer 60 or the body panel 4 in order to cover the gap between the first mounting base portion 22 of the first weather strip portion 20 and the tip of the windshield 5. It is possible to prevent rainwater and the like from entering and improve the appearance from the outside of the vehicle.

  The second weather strip portion 30 includes a hollow second seal portion 31 formed of a sponge material that abuts against the back surface of the roof panel 6 on the rear side of the portion with which the first weather strip portion 20 abuts, The second attachment base 32 is formed of a solid material attached to the retainer second holding portion 62.

  The second seal portion 31 can be flexibly deformed and sealed when its hollow tip comes into contact with the back surface of the roof panel 6. The second seal portion 31 has a bent portion on the inner surface of the apex portion, and the second seal portion 31 is easily deformed when coming into contact with the back surface of the roof panel 6.

  A second cover lip 37 is formed in a continuous portion of the second seal portion 31 with the second mounting base portion 32 on the rear side, and abuts against the tip of a garnish 70 attached to the body panel 4 so as to roof the roof weather strip. The gap between 10 and the body panel 4 is covered to improve the appearance. The second seal portion 31 can also be formed in a lip shape.

  The second attachment base 32 is made of a solid material and has a flat cross-sectional shape. And the 2nd attachment base 1st leg part 33 and the 2nd attachment base 2nd leg part 34 were formed in the lower part from the both sides of the lower surface of the 2nd attachment base 32. Lower ends of the second mounting base first leg 33 and the second mounting base second leg 34 facing each other so as to engage with the retainer second holding part head 63 of the retainer second holding part 62. The second attachment portion first flange portion 35 and the second attachment portion second flange portion 36 that are extended to the bottom are formed.

  In order to attach the roof weather strip 10 to the retainer 60, first, the second attachment base portion 32 is pressed against the retainer second holding portion 62. Then, the second attachment portion first flange portion 35 and the second attachment portion second flange portion 36 are deformed in the opening direction, and the retainer second holding portion head portion 63 is slipped while sliding on both side ends of the retainer second holding portion head portion 63. The second mounting base portion first leg portion 33 and the second mounting base portion second leg portion 34 sandwich the retainer second holding portion head 63, and the second mounting base portion 32 is held by the retainer second holding portion. 62 can be attached.

Thereafter, as described above, the first mounting base 22 is moved along the retainer first holding portion 61, the first mounting base tip 25 is pressed against the retainer first holding tip 66, and the first mounting base collar portion is pressed. 26 is locked to the retainer first holding portion distal end portion 66.
Thus, in order to attach the roof weather strip 10 to the retainer 60, the second attachment base 32 and the first attachment base 22 are sequentially pressed against the retainer second holding part 62 and the retainer first holding part 61 of the retainer 60. It is easy to install and can be easily performed.

  Next, a method for manufacturing the roof weather strip 10 will be described. The roof weather strip 10 simultaneously forms the first weather strip portion 20, the second weather strip portion 30, and the connecting portion 40 by extrusion molding. Synthetic rubber and thermoplastic elastomer are used as the molding material. For example, EPDM rubber is used for synthetic rubber, and polyolefin-based thermoplastic elastomer is used for thermoplastic elastomer. The sponge part is used as a sponge material by foaming these materials.

  In the case of synthetic rubber, it is conveyed to a vulcanizing tank after extrusion and heated by hot air or high frequency to vulcanize and foam. In the case of a thermoplastic elastomer, it is heated and foamed simultaneously with or after extrusion, and then cooled and solidified. Thereafter, it is cut to a predetermined length to produce an extruded part.

It is sectional drawing of the roof weather strip which is embodiment of this invention, and is sectional drawing along the XX line in FIG. It is the perspective view seen from the upper part of a car. It is sectional drawing of the conventional roof weather strip, and is sectional drawing along the XX line in FIG. It is sectional drawing of the other conventional roof weather strip, and is sectional drawing along the XX line in FIG. It is sectional drawing of the other conventional roof weather strip, and is sectional drawing along the XX line in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 4 Body panel 5 Windshield 6 Roof panel 10 Roof weather strip 20 1st weather strip part 21 1st seal part 22 1st attachment base 25 1st attachment base front-end | tip 30 30 2nd weather strip part 31 2nd seal part 32 2nd mounting base 35 2nd mounting base 1st collar part 36 2nd mounting base 2nd collar part 60 Retainer 61 Retainer 1st holding part 62 Retainer 2nd holding part

Claims (6)

In an automotive roof weather strip that seals between the front end of the movable roof panel and the upper side of the windshield,
The roof weather strip is in contact with the first weather strip portion that contacts the front end of the movable roof panel and the back surface of the movable roof panel on the rear side of the portion where the first weather strip portion contacts. A second weather strip portion that is in contact with the first weather strip portion and the second weather strip portion; and a connecting portion that integrally connects the first weather strip portion and the second weather strip portion;
The first weather strip portion and the second weather strip portion are respectively a first attachment base portion and a second attachment base portion formed of a solid material attached to a retainer of a body panel on an upper side portion of the windshield, respectively. Consists of a first seal portion and a second seal portion formed of a sponge material that contacts the movable roof panel,
The retainer has a retainer first holding portion for attaching the first attachment base, and a retainer second holding portion for attaching the second attachment base,
Forming a first mounting base flange that engages with a tip of the retainer first holding portion at a side end of the first mounting base;
A second attachment portion first flange portion and a second attachment portion second flange portion that extend downward from both side ends of the lower surface of the second attachment base portion so as to engage with the retainer second holding portion. A roof weather strip for an automobile characterized by being formed.   The retainer second holding portion is formed in a substantially T shape, and the second attachment portion first flange portion and the second attachment portion second flange are formed on both side ends of the retainer second holding portion head, which is a T-shaped head portion. 2. The roof weather strip for an automobile according to claim 1, wherein the portions are engaged.   The automobile according to claim 1, wherein the retainer has a retainer connecting portion that connects the retainer first holding portion and the retainer second holding portion, and the retainer connecting portion is fixed to a body panel. Roof weather strip.   The automobile roof weather strip according to any one of claims 1 to 3, wherein a head of a wind molding covers a gap between the first mounting base and the front end of the windshield.   5. The automobile roof weather strip according to claim 1, wherein both the first seal portion and the second seal portion are hollow seal portions. 6.   The front end of the movable roof panel is in contact with the hollow seal portion of the first seal portion, and the front end of the hollow seal portion of the second seal portion is in contact with the back surface of the movable roof panel. The roof weather strip for automobiles described in 1.

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