JP2012162100A - Vehicular door sash structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To appropriately keep sealing performance of a door sash part while maintaining decorativeness of a door sash high.SOLUTION: In the door sash structure including a weather strip 5 mounted on a vehicle body opening side of an inner sash 7 arranged above a door body, and a molding member 6 mounted to a cross-sectionally nearly-T-shaped outer end 23 formed on an outer sash 8, the weather strip 5 includes a mounting base part 27 mounted to the inner sash 7 or the outer sash 8, seal part 28, 29 bulging from the mounting base part 27 to the vehicle body opening side, and a seal lip part 30 extending toward the back face side of an outer end 23 of the outer sash 8; and the molding member 6 includes an outer curved part 34 and an inner curved part 35 holding the outer end 23 of the outer sash 8, and an extension piece part 36 projected from the outer curved part 34 toward the seal lip part 30 and brought into press contact with the seal lip part 30.

Description

  The present invention provides a vehicle door sash structure including a door sash provided above a door body, a weather strip attached to the vehicle body opening side, and a molding member attached to an outer end portion of the door sash. It is about.

  Conventionally, as shown in Patent Document 1 below, a folded edge portion is formed on a door sash molding that decorates a door sash of an automobile door, and the folded edge portion is engaged with the edge portion of the door sash via a buffer. In the automobile door sash structure in which the door sash molding is disposed on the outer surface of the door sash, the surface of the door sash molding extends over the entire length in the length direction of the door sash molding. A non-decorating portion is formed over the entire length of the surface of the door sash molding by covering the predetermined portion of the surface of the door sash molding with the extension. To be done.

JP 2006-213184 A

  In the automobile door sash structure disclosed in Patent Document 1, the seal portion of the weather strip attached to the outer surface of the upper side portion of the door sash is brought into contact with the outer plate surface (the vehicle body opening side surface) of the roof side rail. By sealing, rainwater is prevented from entering the vehicle interior from the periphery of the door in the closed state. However, rain water that has entered between the weather strip and the molding member that decorates the outer side of the door sash passes between the lower end surface of the weather strip and its mounting surface (the outer surface of the upper side of the door sash). There was a risk of entering the passenger compartment.

  In particular, when a gap is formed in the engagement portion between the outer sash and the inner sash constituting the door sash, rainwater that has entered between the weather strip and the door sash passes through the gap. As a result, there is a problem that it is easy to enter the vehicle interior and that rust is easily generated due to moisture accumulated between the weather strip and the door sash.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a vehicle door sash structure that can appropriately maintain the sealability of the door sash part while maintaining high decorativeness of the door sash. It is said.

  The invention according to claim 1 includes an inner sash provided above the door body, an outer sash provided on the outer side of the vehicle and constituting an outer end portion having a substantially T-shaped cross section, and a vehicle body opening of the inner sash. A vehicle door sash structure including a weather strip attached to a side and a molding member attached to an outer end portion of the outer sash, wherein the weather strip is attached to the inner sash or the outer sash; A main seal portion that bulges toward the vehicle body opening from the mounting base, and a seal lip portion that extends toward the back side of the outer end portion of the outer sash, and the molding member is disposed outside the outer sash. An outer curved portion and an inner curved portion that hold the end portion, and protrudes from the outer curved portion toward the seal lip portion and is pressed against the seal lip portion. Those having a that extension piece.

  According to a second aspect of the present invention, in the vehicle door sash structure of the first aspect, the inner sash is made of a press-formed product, and the outer sash is made of a roll-formed product.

  According to a third aspect of the present invention, in the vehicle door sash structure of the second aspect, the inner sash is formed in a series of frame shapes, and the outer sash is divided in the longitudinal direction thereof, A mounting base portion of the weather strip is provided with a sub-seal lip portion that protrudes toward the back side of the outer end portion of the outer sash and is pressed against the back surface of the extending outer end portion.

  In the invention according to claim 1, the seal lip portion provided from the weather strip to the back side of the outer end portion of the outer sash is extended from the outer curved portion provided to the molding member to the seal lip portion. Since the extension piece projecting on the side is pressed against and sealed between the weather strip and the molding member, rainwater has entered the waist strip over the outer peripheral edge of the molding member. Even in this case, there is an advantage that the rainwater can be effectively prevented from entering the vehicle interior through the mounting surface portion of the weather strip.

  In the invention according to claim 2, since the inner sash installed above the door body is press-molded, and the outer sash provided on the outside of the vehicle is roll-molded, the inner sash provides the rigidity of the door sash and There is an advantage that an outer sash having a complicated shape can be easily and appropriately formed while sufficiently securing strength.

  In the invention according to claim 3, the inner sash is formed in a series of frame shapes, and the outer sash is divided in the middle of the longitudinal direction thereof, on the attachment base of the weather strip, on the back side of the outer end of the outer sash. The sub-seal lip that protrudes toward the rear end and is pressed against the back of the outer end is provided, so that the outer sash can be more easily and properly secured while ensuring sufficient rigidity and strength of the door sash. Can be formed. Further, even when rainwater enters between the outer end portion of the outer sash and the weather strip from the divided portion of the outer sash, the rainwater is blocked by the sub seal lip portion and enters the vehicle interior. There is an advantage that can be effectively prevented.

It is explanatory drawing which shows the outer surface of the side door provided with the door sash structure of the vehicle which concerns on this invention. It is explanatory drawing which shows the inner surface of the said side door. It is the III-III sectional view taken on the line of FIG. 1 is an exploded sectional view showing an embodiment of a vehicle door sash structure according to the present invention. It is the VV sectional view taken on the line of FIG.

  1 to 4 show a front side door provided with a vehicle door sash structure according to an embodiment of the present invention. The side door includes a door body 1 and a door sash 2 provided above the door body 1. A weather strip 5 that seals between the front pillar 3 and the roof side rail 4 is installed on the vehicle body opening side of the door sash 2, and a decorative molding member 6 that covers the vehicle outer surface of the door sash 2. Is installed.

  The door sash 2 is composed of an inner sash 7 provided above the door body 1 and an outer sash 8 made of a roll-formed product provided on the outside of the vehicle. The inner sash 7 of the door sash 2 is a press-molded product formed in a series of frame shapes, and is formed integrally with the inner sash of the door body 1. On the other hand, the outer sash 8 is formed of a roll-formed product, and is erected upward from the upper side portion 9 along the lower surface of the front pillar 3 and the roof side rail 4 and the rear end portion of the door body 1 in the longitudinal direction. The front end portion of the upper side portion 9 is separated from the door body 1 at a triangular corner portion 11 provided at the front end portion of the door body 1.

  The inner sash 7 is connected to the mounting surface portion 12 to which the weather strip 5 is attached, the upright portion 13 extending from the vehicle outer side end portion to the vehicle body opening side (upward side), and the vehicle inner end portion of the mounting surface portion 12. And a hanging portion 15 extending from the lower end of the curved portion 14 to the side opposite to the vehicle body opening (downward). When the side door is closed, the vehicle-side weather strip 18 attached to the flange portion 17 of the front pillar 3 and the roof side rail 4 comes into contact with the curved portion 14 of the inner sash 7 so that the portion is sealed. It has come to be.

  The outer sash 8 includes a flat plate portion 19 installed along the lower surface of the mounting surface portion 12 of the inner sash 7, an inner wall portion 20 that extends from the vehicle outer side end portion to the side opposite to the vehicle body opening, and a vehicle outer side from the lower end portion thereof. The outer wall portion 21 is folded back and extends toward the vehicle body opening side, and the hem portion 22 is folded back from the upper end portion toward the vehicle inner side and extends toward the anti-vehicle body opening portion side. When the standing portion 13 of the inner sash 7 is held between the hem portion 22 of the outer sash 8 and the outer wall portion 21, an outer end portion 23 having a substantially T-shaped cross section facing outward in the vehicle width direction is formed. Is formed.

  The outer sash 8 has a hanging portion 24 that extends toward the vehicle body opening side (downward side), and a hem portion 25 that is folded back from the lower end portion toward the vehicle inner side and extends toward the vehicle body opening side. Is installed, and the hanging portion 15 of the inner sash 7 is sandwiched between the hem portion 25 and the lower portion of the hanging portion 24. A holding groove for holding the glass run channel 26 is formed by the flat plate portion 19, the inner wall portion 20 and the hanging portion 24 of the outer sash 8.

  The weather strip 5 includes a mounting base 27 that is attached to the inner sash 7 and the outer sash 8 of the door sash 2, and first and second seal portions 28 that bulge from the mounting base 27 toward the vehicle body opening (upward side). , 29, a first seal lip portion 30 extending from the base end portion of the second seal portion 29 toward the back side of the outer end portion 23 of the outer sash 8, and the vehicle outer end portion of the mounting base portion 27 The outer sash 8 has a second seal lip portion 31 extending toward the back side of the outer end portion 23.

  Then, the mounting base portion 27 of the weather strip 5 is locked to the mounting surface portion 12 of the inner sash 7 and the flat plate portion 19 of the outer sash 8 via the locking tool 32, so that the tip end of the second seal lip portion 31. The portion is installed in a state where it is pressed against the upright portion 13 of the inner sash 7. Further, when the side door is closed, the outer peripheral edge portion of the door sash 2 is sealed by the first and second seal portions 28 and 29 of the weather strip 5 coming into contact with the lower surfaces of the front pillar 3 and the roof side rail 4. It is comprised so that.

  The molding member 6 has a molding body 33 formed in a plate shape by covering a metal core (not shown) with a synthetic resin material, and protrudes inward in the vehicle width direction from both inner and outer ends. An outer curved portion 34 and an inner curved portion 35 that hold the outer end portion 23 of the door sash 2, and an extended piece portion 36 that protrudes from the outer curved portion 34 toward the first seal lip portion 30 side of the weather strip 5. And. The extension piece portion 36 of the molding member 6 is pressed against the first seal lip portion 30 of the weather strip 5 to seal between the outer peripheral edge portion of the molding member 6 and the vehicle outer end portion of the weather strip 5. (See FIG. 3).

  As shown in FIG. 5, the rear side portion 10 of the door sash 2 is installed so as to cover an outer panel 37 and an inner panel 38 that extend in the vertical direction along a center pillar (not shown), and an outer side surface of the outer panel 37. The glass run channel 26 is installed between the front side of the garnish 39 and the front side of the outer panel 37.

  The inner sash 7 provided above the door body 1 as described above, the outer sash 8 provided on the outer side of the vehicle and constituting the outer end portion 23 having a substantially T-shaped cross section, and the vehicle body opening of the inner sash 7. In the vehicle door sash structure including the weather strip 5 attached to the outer side and the molding member 6 attached to the outer end portion of the outer sash 8, the weather sash 5 is connected to the inner sash 7 or the outer sash 8. The attachment base 27 to be attached, the first and second seal portions 28 and 29 bulging from the attachment base 27 toward the vehicle body opening, and the first extending toward the back side of the outer end 23 of the outer sash 8. An outer curved portion 34 and an inner curved portion 35 that hold the outer end portion 23 of the outer sash 8 on the molding member 6; Since the extension piece portion 36 is provided so as to protrude from the side curved portion 34 toward the first seal lip portion 30 and is pressed against the first seal lip portion 30, the decorative molding for covering the vehicle outer surface of the door sash 2 is provided. By utilizing the member 6, the outer peripheral edge of the door sash 2 can be effectively sealed while maintaining the decorativeness of the door sash 2 high.

  That is, in the above embodiment, the first and second seal portions 28 and 29 of the weather strip 5 attached to the attachment surface portion 12 of the inner sash 7 and the flat plate portion 19 of the outer sash 8 are connected to the front pillar 3 and the roof side rail 4. In the vehicle door sash structure configured to seal between the vehicle body opening side of the door sash 2 and the front pillar 3 and the roof side rail 4 by being brought into contact with the lower surface, A first seal lip portion 30 extending from the base end portion toward the back side of the outer end portion 23 of the outer sash 8 is provided on the weather strip 5, and the outer curved portion of the molding member 6 is provided on the first seal lip portion 30. 34, the extension piece 36 projecting from 34 is press-contacted. 2 Even when rainwater enters the base end side of the seal portion 29, the rainwater enters between the lower end surface of the weather strip 5 and the mounting surface portion 12 of the inner sash 7 and enters the vehicle interior. There is an advantage that generation can be prevented.

  Therefore, rainwater that has entered between the weather strip 5 and the door sash 2 even when there is a gap in the hem processing portion that engages the inner sash 7 and the outer sash 8 that constitute the door sash 2. Effectively prevents the inner sash 7 or the outer sash 8 constituting the door sash 2 from entering the passenger compartment or the moisture accumulated between the weather strip 5 and the door sash 2. can do.

  Moreover, in the said embodiment, while forming the inner sash 7 of the door sash 2 installed above the door main body 1 with a press molded product, and forming the outer sash 8 provided in the vehicle outer side with a roll molded product, the above-mentioned While the inner sash 7 sufficiently secures the rigidity and strength of the door sash 2, the outer sash 8 having a complicated shape including the hem portions 22 and 25 for locking the inner sash 7 can be formed easily and appropriately. There are advantages.

  Furthermore, in the above-described embodiment, the inner sash 7 of the door sash 2 is formed in a series of frame shapes, and the outer sash 8 is divided in the middle of the longitudinal direction so that the outer sash 8 is attached to the mounting base portion 27 of the weather strip 5. The door has a structure in which a sub seal lip portion is provided which includes a second seal lip portion 31 that protrudes toward the back side (the vehicle inner side surface) of the outer end portion 23 and is pressed against the back surface of the outer end portion 23. The outer sash 8 can be formed more easily and appropriately while sufficiently securing the rigidity and strength of the sash 2.

  In addition, rainwater that has entered between the outer end portion 23 of the outer sash 8 and the weather strip 5 from the divided portion of the outer sash 8 can be blocked by the second seal lip portion 31. There is an advantage that it is possible to more effectively prevent the occurrence of a situation of entering the vehicle compartment through between the lower end surface of the weather strip 5 and the mounting surface portion 12 of the inner sash 7.

  Further, when the outer sash 8 is divided in the longitudinal direction as described above, it has an advantage that the outer sash 8 can be easily formed, but it is difficult to apply rust-proof plating to the cross section. There will be a demerit of being. However, a first seal lip portion 30 and a second seal lip portion 31 extending from the weather strip 5 toward the back side of the outer end portion 23 of the outer sash 8 are provided, and the portions are sealed twice. Since it comprised, there exists an advantage that it can prevent effectively that rust generate | occur | produces in the partial cross section of the said outer sash 8. FIG.

DESCRIPTION OF SYMBOLS 1 Door main body 2 Door sash 5 Weather strip 6 Mold member 7 Inner sash 8 Outer sash 27 Mounting base 30 1st seal lip part (seal lip part)
32 Second seal lip (sub seal lip)
34 Outer bending part 35 Inner bending part 36 Extension piece part

Claims (3)

  An inner sash provided above the door main body, an outer sash provided on the outer side of the door and constituting an outer end portion having a substantially T-shaped cross section, and a weather strip attached to the vehicle body opening side of the inner sash; A door sash structure for a vehicle comprising a molding member attached to an outer end portion of the outer sash, wherein the weather strip is attached to the inner sash or the outer sash, and the vehicle body opening from the attachment base An outer curved portion having a seal portion that bulges to the side and a seal lip portion extending toward the back side of the outer end portion of the outer sash, and wherein the molding member holds the outer end portion of the outer sash And an inner curved portion, and an extended piece projecting from the outer curved portion toward the seal lip portion and pressed against the seal lip portion. Door sash structure of a vehicle according to claim.   2. The vehicle door sash structure according to claim 1, wherein the inner sash is made of a press-formed product, and the outer sash is made of a roll-formed product.   The inner sash is formed in a series of frame shapes, and the outer sash is divided in the middle of the longitudinal direction, and protrudes toward the back side of the outer end of the outer sash at the mounting base of the weather strip. The vehicle door sash structure according to claim 2, further comprising a sub-seal lip portion pressed against the back surface of the extending outer end portion.

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