JP2009269554A - Door structure for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent contact noise of a door glass and a lip of a glass run caused by the opening of the door glass and the inclination angle of the door glass, in a door structure for a vehicle. <P>SOLUTION: An urging member 25 comprising a cylindrical foamed sponge material having a diameter of 8 mm is arranged between an indoor side wall part 21 and an inner lip 23 in a range from a lower side of an upper end of a front side vertical side lip 18a of the glass run 18 by a predetermined amount to an upper side of a lower end of an inclined side lip 18d by a predetermined amount. The arrangement range is made to a range that the inclined side 8d of the door glass 8 is not brought into contact with the inclined side lip 18d by vibration when the door glass 8 is descended from a closure position. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicle door structure, and more particularly to a vehicle door structure that can prevent the generation of contact noise caused by vibration between a door glass and a lip of a glass run.

Conventionally, a resin glass run is fitted to a door sash having a U-shaped cross section such as a front door or a rear door of a vehicle to guide a door glass that moves up and down.
The glass run has a concave shape like the door sash, and an outer lip and an inner lip that are in sliding contact with the door glass are integrally formed on the concave end of the glass run. With such a configuration, the glass run prevents water and sound from entering and prevents the door glass from flickering.

Patent Document 1 proposes a technique for reducing the sound entering the vehicle compartment from the inside of the door panel by providing a soundproofing material inside the inner lip of the glass run.
According to Patent Document 1, it is possible to effectively reduce the sound that enters from the outside of the vehicle through the contact portion between the glass run and the door glass.

JP 2007-196910 A

On the other hand, vehicles with various designs have been developed as the design of vehicles has been diversified, and various shapes have been proposed for the shape of the side of the vehicle.
From the design requirement, for example, when the shape of the upper part of the front side of the front door glass that is inclined backward by a slight angle with respect to the lifting direction, the door glass has a front vertical side, a rear vertical side and a non-inclined part. It consists of a bottom side, an upper side that is an inclined part, and an inclined side that connects the upper end of the front vertical side and the front end of the upper side. In such a configuration, the area below the diagonal line connecting the upper end of the front vertical side and the upper end of the rear vertical side of the door glass is the door sash and the glass run arranged in the vehicle front-rear direction, regardless of the lifted state. Strongly supported.

  However, the region above the diagonal line connecting the upper end of the front vertical side and the upper end of the rear vertical side of the door glass is only the lower region of the door glass itself supported by the door sash and the glass run when the door glass is lowered by a predetermined amount. Supported by the door sash and glass run. That is, the upper region is likely to generate vibration due to the influence of the traveling wind, etc., so that noise due to contact with the lip of the glass run, so-called fluttering noise, is generated. This noise generation tendency increases as the inclination angle of the inclined side is smaller, and as the opening degree of the door glass is smaller, the contact area between the lower portion of the door glass inclined side and the lip becomes larger. .

  In Patent Document 1, although it is possible to raise the door glass to the upper end position and obtain sound insulation when fully closed, contact noise with the lip based on the opening degree of the door glass and the inclination angle of the door glass is mentioned. Not.

  An object of the present invention is to provide a vehicle door structure capable of preventing the generation of contact noise between the door glass and the glass run lip due to the opening degree of the door glass and the inclination angle of the door glass.

  The vehicle door structure according to claim 1 includes a door glass of the vehicle, a door sash that guides the raising and lowering operation of the door glass, and a glass run having a lip attached to the door sash and in sliding contact with the door glass, The door glass is a door structure configured such that one upper part of one of the front end part and the rear end part is inclined to the other side at a predetermined angle with respect to the ascending / descending direction. An urging member for urging the lip toward the door glass is disposed inside the lip of the glass run at a portion corresponding to the boundary between the inclined portion on the upper side and the non-inclined portion on the lower side.

  According to a second aspect of the vehicle door structure of the present invention, in the first aspect of the invention, the biasing member includes a predetermined range including a portion corresponding to a boundary portion between the inclined portion on one side upper portion of the door glass and the non-tilted portion on the lower side. It is characterized by being provided only for.

  According to a third aspect of the vehicle door structure of the present invention, in the second aspect of the present invention, the biasing member biases the lip of the glass run against the one side inclined portion of the door glass.

  According to a fourth aspect of the vehicle door structure of the present invention, the biasing member biases the lip of the glass run to the one-side non-inclined portion of the door glass.

  According to a fifth aspect of the vehicle door structure of the present invention, the predetermined range is that when the door glass is lowered from the closed position, the one-side inclined portion of the door glass and the lip of the glass run contact by vibration. It is characterized by the movement range until it stops.

  According to a sixth aspect of the vehicle door structure of the present invention, in the first to fifth aspects of the present invention, the door is a front door, and extends in front of the front door to the substantially upper end position of the front pillar corresponding to the door glass. It is characterized by having a sub-window.

  According to the first aspect of the present invention, the door includes a door glass of the vehicle, a door sash that guides the raising and lowering operation of the door glass, and a glass run that is attached to the door sash and has a lip that is in sliding contact with the door glass. The glass has a door structure in which one upper part of either the front end part or the rear end part is inclined to the other side at a predetermined angle with respect to the ascending / descending direction, and the one side of the door glass Since the urging member for urging the lip toward the door glass side is disposed inside the lip of the glass run at the portion corresponding to the boundary between the upper inclined portion and the lower non-inclined portion on one side, the opening degree of the door glass and the door glass It is possible to prevent contact noise between the door glass and the glass run lip due to the inclination angle. In other words, when traveling with the door glass lowered by a predetermined amount, the region above the diagonal line connecting the upper end of the front vertical side and the upper end of the rear vertical side of the door glass is greatly vibrated, while the lower part of the inclined side of the door glass The distance between the lip of the glass run and the lip of the glass run is very close, and contact between the door glass and the lip is easy to occur. It is possible to reduce the generation of a tapping sound due to the vibration of the.

  According to the invention of claim 2, the biasing member is provided only in a predetermined range including a portion corresponding to a boundary portion between the inclined portion on one side upper portion of the door glass and the non-tilted portion on the lower side on the one side. The urging member can be provided in a region where the distance between the lip of the glass run and the lip of the glass run is close, that is, a portion related to the generation of vibration of the door glass, and no excessive urging force is applied to the door glass. Accordingly, it is possible to reduce the generation of a hitting sound while suppressing an increase in sliding resistance of the door glass.

  According to the invention of claim 3, the urging member is provided with a urging member at a portion where the door glass and the lip of the glass run come into contact with each other in order to urge the lip of the glass run to the one inclined portion of the door glass. This can minimize the arrangement area of the biasing member.

  According to the invention of claim 4, the urging member urges the lip of the glass run against the one-side non-inclined portion of the door glass, so the lower region of the part where the door glass and the lip of the glass run contact by vibration, so-called By increasing the support rigidity in the region above the diagonal line connecting the upper end of the front vertical side and the upper end of the rear vertical side of the door glass where the vibration occurs, it is possible to suppress the vibration and effectively reduce the generation of the hitting sound.

  According to the invention of claim 5, when the door glass is lowered from the closed position, the predetermined range is a moving range until the one side inclined portion of the door glass and the lip of the glass run are not in contact with each other due to vibration. Therefore, it is possible to reliably reduce the generation of the hitting sound by the minimum necessary biasing member.

  According to the invention of claim 6, the vehicle design is such that the door is a front door, and a sub window extending to the substantially upper end position of the front pillar corresponding to the door glass is provided in front of the front door. However, it is possible to reduce the generation of the knocking sound caused by the door glass while providing the design of the sub window and the door glass.

  Hereinafter, the best mode for carrying out the present invention will be described.

  FIG. 1 is a right side view of a vehicle to which the door structure of the present invention is applied. Since the left side of the vehicle is the same as the right side, description thereof is omitted.

  The vehicle structure including the door of the present embodiment includes a front door 3 that allows an opening 2 provided on the front side of the vehicle 1 to be opened and closed by turning around a door hinge, and an opening 4 provided on the rear side of the vehicle 1. A lower portion from the substantially central portion in the vertical direction is constituted by a rear slide door 5 supported on the vehicle 1 side portion so as to be slidable in the vehicle front-rear direction.

A front fender 7 is disposed below the front door 3 on the front side of the vehicle and above the front wheel.
A sub window 9 extending to a substantially upper end position of the front pillar 10 corresponding to the length of the front portion of the front door glass 8 is installed above the front fender 7 and in front of the front door 3. The front end of the sub window 9 is configured to gradually become narrower to the vicinity of the lower end of the front pillar 10. A wide range of field of view is secured by a front window (not shown) in front of the driver and a sub window 9 in front of the driver.
A resin garnish 12 is provided on the vehicle front side of the sub window 9 along the side of the bonnet 11 so as to be continuous with the sub window 9.

The front door 3 is formed by welding and joining an outer panel and an inner panel with a flange at an outer peripheral edge portion.
As shown in FIG. 2, the front door 3 includes a door frame 14 that forms around the window opening 13 above the door, a main body 15 that is formed below the window opening 13, and an inner periphery of the door frame 14. And a door sash 16 having a U-shaped cross section that forms a peripheral portion of the window opening 13, and the lower end portion of the door sash 16 and its vicinity are inserted into the body portion 15. It is fixed to the panel member of the main body 15.
An electric window regulator 17 that drives the door glass 8 up and down is assembled in the vertical direction on the main body 15 below the center of the opening 13 in the vehicle front-rear direction.

Since the front door glass 8 of this door structure employs a shape in which the upper part of the front side is inclined rearward by a predetermined angle with respect to the ascending / descending direction, the door glass 8 has a non-inclined front vertical side 8a and a rear vertical length. The side 8b and the bottom, and the upper side 8c and the front vertical side 8a are composed of an inclined side 8d that is an inclined portion connecting the upper end and the front end of the upper side 8c, and the shape of the opening 13 is the same as that of the door glass 8. .
In particular, the door glass 8 has an inclination angle of the inclined side 8d set to be extremely small in order to ensure continuity with the sub-window 9, and therefore connects the upper end of the front vertical side 8a and the upper end of the rear vertical side 8b. The area above the diagonal line A is larger than ½ of the area below the diagonal line A.

As shown in FIG. 3, a resin glass run 18 is fitted inside the door sash 16 so that the door glass 8 that moves up and down is guided to the groove 19. The groove portion 19 has a substantially concave cross section, and is formed by a bottom wall portion 20, a vehicle inner side wall portion 21 that extends from both ends of the bottom wall portion 20, and a vehicle outer side wall portion 22. Further, an inner lip 23 that is bent and extended inward toward the groove portion 19 is provided from the opening end side of the inner side wall portion 21, and is bent inward toward the groove portion 19 from the opening end side of the outer side wall portion 22. An outer lip 24 that is bent and extended and is set shorter than the inner lip 23 is provided. The inner lip 23 and the outer lip 24 are configured to come into sliding contact with the door glass 8.
FIG. 4 is a cross-sectional view taken along line IV-IV in the rear vertical side 8b.

  In accordance with the shape of the door glass 8, the glass run 18 is a non-inclined front side lip 18a, rear side lip 18b, upper side lip 18c, and an inclined side connecting the upper end of the front side lip 18a and the front end of the upper side lip 18c. It consists of a lip 18d and is integrally molded. Although the present glass run 18 is formed by mold forming, it may be formed by extrusion, or may be bonded after being formed for each component.

  Cylindrical foam sponge having a diameter of 8 mm between the vehicle interior side wall 21 and the inner lip 23 from a predetermined amount below the upper end of the front vertical lip 18a of the glass run 18 to a predetermined amount above the lower end of the inclined side lip 18d. An urging member 25 made of a material is disposed. The arrangement range of the biasing member 25 is a range in which when the door glass 8 is lowered from the closed position, the inclined side 8d of the door glass 8 and the inclined side lip 18d are not in contact with each other due to vibration. The material of the urging member 25 is not particularly limited, and for example, rubber, resin, or fiber can be used. Further, the urging member 25 can be provided integrally with the glass run 18 or by sticking after molding the main body. Moreover, it does not need to be cylindrical, and may be plate-like as long as it can generate an urging force by elasticity.

Based on FIG. 5, FIG. 6, the function regarding noise prevention of this door structure is demonstrated.
As shown in FIG. 5, when the electric window regulator 17 is pushed once, the door glass 8 opens slightly below. At this time, the boundary between the upper end of the front vertical side 8a and the lower end of the inclined side 8d is, as shown in FIG. 6, the door glass 8 on the vehicle rear side compared to the position of the door glass 8 when fully closed (see FIG. 3). As a result, the force of pressing the door glass 8 of the inner lip 23 is reduced, or the inner lip 23 is separated from the inner lip 23 by a small distance. When the pressing force decreases or the door glass 8 and the inner lip 23 are separated from each other, but the positional relationship is overlapped in the vehicle width direction, the door glass 8 vibrates due to the influence of traveling wind or the like and the inner lip 23 and Abut periodically.

  As shown in FIG. 6, the inner lip 23 is forcibly urged toward the door glass 8 by arranging the urging member 25 between the vehicle interior side wall 21 and the inner lip 23, and the door is driven with a strong force. The glass 8 can be pressed, and the vibration of the door glass 8 that causes noise can be prevented. Further, when the door glass 8 is gradually lowered from the closed position, a range extending in the vertical direction until the inclined side 8d of the door glass 8 and the inner lip 23 are not brought into contact with each other by vibration, so-called door glass 8 and inner lip 23. Since the urging member 25 is disposed only in the region where the urging members overlap with each other in the vehicle width direction, it is possible to minimize the pressing force of the urging member 25 from causing the door glass 8 to move up and down.

Next, a modification in which the above embodiment is partially changed will be described.
1) In the above-described embodiment, the urging member 25 is disposed over a range from a predetermined amount below the upper end of the front side lip 18a to a predetermined amount above the lower end of the inclined side lip 18d. Instead, it can be provided only in the lower area from the upper end of the front vertical side lip 18a to increase the support rigidity of the door glass 8 and suppress vibration. Further, it is possible to provide the inclined side lip 18d only in the upper region from the lower end and forcibly press the lip toward the door glass 8 with a predetermined pressing force.

2] In the above-described embodiment, the present invention is applied to the front door. However, the present invention is not limited to the front door, and can be applied to the rear door.

3) In addition, those skilled in the art can implement the present invention by adding various modifications to the embodiments without departing from the spirit of the present invention, and the present invention includes such modifications. is there.

1 is a right side view of a vehicle door structure according to an embodiment of the present invention. In the door structure which concerns on an Example, it is the front view which looked at the front door from the vehicle interior side at the time of door glass full closure. It is the III-III sectional view taken on the line of FIG. It is the IV-IV sectional view taken on the line of FIG. It is the front view which looked at the front door from the vehicle interior side when the door glass is slightly opened. It is the VV sectional view taken on the line of FIG.

Explanation of symbols

1 Vehicle 3 Front door 8 Front door glass 8a Front vertical side 8d (front door glass) Inclined side (front door glass)
9 Sub window 16 Door sash 18 Glass run 18a Front side vertical side 18d (of glass run) Inclined side 23 (of glass run) Inner lip 24 Outer lip 25 Energizing member

Claims (6)

A door glass of a vehicle, a door sash for guiding the raising and lowering operation of the door glass, and a glass run having a lip attached to the door sash and in sliding contact with the door glass, the door glass having a front end portion and a rear end portion. One of the upper side of the vehicle is a door structure of a vehicle configured to be inclined to the other side at a predetermined angle with respect to the lifting direction,
An urging member for urging the lip toward the door glass is disposed inside the lip of the glass run at a portion corresponding to the boundary between the inclined portion on the one upper side of the door glass and the non-inclined portion on the lower side. Characteristic vehicle door structure.   The said urging | biasing member was provided only in the predetermined range including the site | part corresponding to the boundary part of the inclination part of the said one side upper part of a door glass, and the non-inclination part of one side lower part. Vehicle door structure.   3. The vehicle door structure according to claim 2, wherein the biasing member biases a lip of a glass run on an inclined portion on one side of the door glass.   3. The vehicle door structure according to claim 2, wherein the urging member urges a lip of a glass run to a non-inclined portion on one side of the door glass.   The predetermined range is a moving range until the one side inclined portion of the door glass and the lip of the glass run are not in contact with each other when the door glass is lowered from the closed position. 4. The vehicle door structure according to 4.   The said door is a front door, The sub window extended to the substantially upper end position of the front pillar corresponding to the said door glass was provided ahead of this front door, The 1-5 characterized by the above-mentioned. The vehicle door structure described.