This application claims priority from Japanese Patent Application No. 2013-238549 filed on Nov. 19, 2013, the entire subject matter of which is incorporated herein by reference.
This disclosure relates to a door sash having a sash member provided between an inner panel and an outer panel of a door and having a fin portion to which a bracket or the like is attached, and serving to guide a door glass to move up and down therealong.
A description will now be made with reference to
A portion of an inner panel 11, other than front and rear edge part and a lower edge part, forms a expansion portion 12 expanding towards the inside of a vehicle. A center of the expansion portion 12 is provided with a working hole 13 via which a window regulator or the like (not shown) is attached in a space between the inner panel 11 and the outer panel.
A lower end of a door sash 15 is connected to the outside of the inner panel 11 made of aluminum. The door sash 15 includes an upper sash 16 configuring a front edge and an upper edge of the door sash 15, a rear sash 17 extending in a substantially vertical direction so as to form a rear edge of the door sash, and a lower sash as a sash member connected in proximity to the front end of the upper sash 16 and extending in a substantially vertical direction. The upper sash 16, the rear sash 17, and lower sash 18 are made of aluminum, respectively. Although not shown in the drawings, lower ends of the upper sash 16, the rear sash 17, and lower sash 18 are fixed by welding to the outside of the expansion portion 12. A window opening 19 is defined by the upper sash 16, the rear sash 17, and an upper edge of the expansion portion 12.
An annular weatherstrip member WS, which is annular member and is made from an elastic material, such as rubber or the like; are wound around the entire outer circumference (front, lower, and rear sides) of the expansion portion 12, and outer circumferences of the upper sash 16 and the rear sash 17.
As shown in
When the lower sash 18 is extruded or pultruded, the fin portion 30 is entirely formed on the front surface of the lower sash 18 along the longitudinal direction (formed as a constant cross-sectional pultruded member). Since the lower side of the fin portion is removed after the extrusion or pultrusion has been performed, as shown in
A mirror bracket 32 for mounting a door mirror is disposed between the upper sash 16 and the lower sash 18. A rear end 33 of the mirror bracket 32 abuts against the outside of the fin portion 30, and they are connected by a rivet 34.
Further, a paint seal A1 is applied over the front surface of the body portion 35 of the lower sash, the fin portion 30, and the rear end 33 of the bracket along the whole length of the fin portion 30.
A front end 36 of the mirror bracket 32 faces an outer-side end face 37, which is located an outer side of the vehicle, of the upper sash 16 with a gap interposed therebetween. A paint seal A2 is applied over the front end 36 and the outer-side end face 37 along the whole length of the front end 36 (see e.g. 2007-145282).
However, since the fin portion 30 of the lower sash 18 as a sash member shown in
Accordingly, the lower sash 18 has a complicated sectional shape, thereby causing low formability at the time of extrusion or pultrusion modling.
Further, the bending process is performed on the lower sash 18. However, if there is a step between the fin portion 30 and the first and second sidewalls 35a and 35b, a portion of a die for supporting the stepped portions becomes complicated, thereby causing a low bending workability.
Furthermore, when the fin portion 30 is cut, the cut face is not flush with, but slightly protrudes from the bottom wall 35c, thereby causing a problem in that a component such as a bracket or the like cannot be mounted over the cut face.
Accordingly, this disclosure is to provide a door sash having a sash member, which has good extrusion formability and good bending workability and in which a cut face of a fin portion does not protrude from the adjacent face.
A door sash of one aspect of this disclosure includes a sash member. The sash member includes: a body portion having: a first sidewall facing one side of a door glass; a second sidewall facing the other side of the door glass; and a bottom wall that connects base ends of the first side wall and the second sidewall and faces a end face along a thickness direction of the door glass; and a fin portion which extends from a corner between the first sidewall and the bottom wall and has a surface flush with a surface opposite to a surface, which faces the door glass, of either one of the first sidewall and the bottom wall, and wherein the sash member is bent in a width direction of a vehicle.
Other features of this disclosure will become more apparent from following embodiments and accompanying drawings.
According to this disclosure, a fin portion extends from a corner between the first sidewall and the bottom wall and has a surface flush with a surface opposite to a surface, which faces the door glass, of either one of the first sidewall and the bottom wall. That is, the fin portion has no step with respect to one of the first sidewall and the bottom wall.
Thus, the sectional shape of the lower sash is simplified, thereby improving formability in the extrusion or pultrusion molding.
Further, since the fin portion has no step with respect to one of the first sidewall and the bottom wall, a shape of a die becomes a simple shape, so that the sash member has good bending workability at the time of bending working.
Furthermore, the fin portion can be cut such that a cut face does not protrude from the adjacent face.
Other effects of this disclosure will be more apparent from following embodiments and accompanying drawings.
The foregoing and additional features and characteristics of this disclosure will become more apparent from the following detailed descriptions considered with the reference to the accompanying drawings, wherein:
The entire configuration, as viewed from the outside of a vehicle, of a door sash having a lower sash (sash member) according to an embodiment of this disclosure will now be described with reference to
The door sash 115 includes an upper sash 116 configuring a front edge and an upper edge of the door sash 115, a rear sash 117 extending in a substantially vertical direction so as to form a rear edge of the door sash, and a lower sash 118 as a sash member connected in proximity to the front end of the upper sash 116 and extending in a substantially vertical direction. The upper sash 116, the rear sash 117, and lower sash 118 are made of aluminum, respectively.
A door glass, which is not shown, moves up and down with being guided by the lower sash 118 and the rear sash 117.
A rear portion of a beltline reinforcement 121 is connected to a lower portion of the rear sash 117. A bracket 123 for mounting a door mirror is provided in a space defined between the periphery of the front end of the upper sash 116 and the lower sash 118. A front portion of the beltline reinforcement 121 is attached to the bracket 123.
A bracket 125 for fixing the lower sash 118 to an inner panel of the door is provided at the lower portion of the lower sash 118. A bracket 127 for mounting a lock device or the like is provided at the lower portion of the rear sash 117.
Here, the sectional shape of the lower sash 118 will be described with reference to
The fin portion 130 of the present embodiment extends from a corner C between the first sidewall 135a and the bottom wall 135c and has a surface 130a flush with a surface 135d opposite to a surface, which faces the door glass, of the first sidewall 135a. That is, there is no step between the fin portion 130 and the first sidewall 135a.
When the lower sash 118 is extruded or pultruded, the fin portion 130 is entirely formed on the front surface of the lower sash 118 along the longitudinal direction. However, as shown in
The mounting of the lower sash 118 whose fin portion 130 is cut and the bracket 125 will be described with reference to
According to the present embodiment, the fin portion 130 extends from the corner C between the first sidewall 135a and the bottom wall 135c and has the surface 130a flush with a surface 135d opposite to a surface, which faces the door glass 131, of the first sidewall 135a. Thus, as shown with the arrow A in
Next, the mounting of the upper sash and the upper portion of the lower sash will be described with reference to
According to the above-mentioned configuration, the following effects can be obtained.
(1) The fin portion 130 extends from a corner C between the first sidewall 135a and the bottom wall 135c and has a surface 130a flush with a surface 135d opposite to a surface, which faces the door glass 131, of the first sidewall 135a.
That is, there is no step between the fin portion 130 and the first sidewall 135a. Thus, the sectional shape of the lower sash 118 is simplified, thereby providing good extrusion or pultrusion formability.
(2) Since there is no step between the fin portion 130 and the first sidewall 135a, the shape of a die becomes simplified, so that the bending workability of the lower sash 118 is improved.
(3) Since the fin portion 130 extends from a corner C between the first sidewall 135a and the bottom wall 135c and has a surface 130a flush with a surface 135d opposite to a surface, which faces the door glass 131, of the first sidewall 135a, the fin portion 130 can be cut such that a cut face is flush with the adjacent face or is recessed from the adjacent face. That is, since the fin portion 130 is cut such that a cut face does not protrude from the adjacent face, a component such as a bracket or the like can be attached to the cut face of the fin portion 130.
(4) Since the weld portion Y is formed along the first sidewall 135a and the fin portion 130, welding is easily performed.
In the meantime, this disclosure is not limited to the above-mentioned embodiments. Although the embodiments has illustrated that the fin portion 130 extends from the corner C between the first sidewall 135a and the bottom wall 135c and has the surface 130a flush with a surface 135d opposite to a surface, which faces the door glass 131, of the first sidewall 135a, as shown in
Number | Date | Country | Kind |
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2013-238549 | Nov 2013 | JP | national |