JP2001213167A - Door sash - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door sash capable of compensating shrinkage after bending machining even if the shrinkage occurs on an outer peripheral side of a round part of the door sash due to bending machining of the door sash. SOLUTION: A roll molded member is rolled and molded into a cross sectional shape composed of a first holding part 2 holding a door side weather strip A, a second holding part 3 holding a glass run B, a first closed cross sectional part 4 which is provided on a vehicle room side from the first holding part 2 and the second holding part 3 and with which a vehicle body side weather strip comes into contact, an exterior face part 5 which is provided on an outer side of a vehicle from the first holding part 2 and the second holding part 3 and is exposed to the outside of the vehicle, and a second closed cross sectional part 6 which connects the exterior face part 5 with the first holding part 2, is folded back in substantially parallel with a fixed clearance from the exterior face part 5, and adheres closely on the first holding part 2 and is connected with it as the clearance is reduced when approaching the first holding part 2. After bending the roll molded member in a predetermined section in the longitudinal direction, the second closed cross sectional part 6 in the vicinity of the predetermined section is crushed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door sash for supplementing sink marks caused by bending a door sash, and a method for manufacturing the same.

[0002]

2. Description of the Related Art A conventional technique will be described below with reference to FIGS. FIG. 10 is a sectional view showing a sectional shape of a conventional door sash. FIG. 11 is a side view showing a state where a conventional door sash (door) is attached to a vehicle body. First, a sectional shape of a conventional door sash will be described with reference to FIG. The door sash 101 includes a first holding unit 102 that holds the door-side weather strip A,
A second holding portion 103 for holding the glass run B, and a first closed cross-section portion provided on the vehicle cabin side with respect to the first holding portion 102 and the second holding portion 103 and in contact with a vehicle body side weather strip (not shown). 104, an exterior surface portion 105 provided outside the vehicle from the first holding portion 102 and the second holding portion 103 and exposed outside the vehicle, and connecting the exterior surface portion 105 and the first holding portion 102, The laminate is folded back from the exterior surface portion 105, laminated, and roll-formed into a cross-sectional shape including a laminated portion 106 connected to the first holding portion 102.

Next, a state in which the door sash 101 having the above-described cross-sectional shape is attached to the vehicle body D will be described with reference to FIG. The door sash 101 is attached to a door C composed of an outer panel and an inner panel, and the door C is pivotally supported on the vehicle body D by a hinge (not shown). For this reason, the door sash 101 is formed by bending such as bender bending so as to follow the shape of the vehicle body D.

[0004]

However, in the case of the door sash 101, sink marks 107 are generated on the outer peripheral side of the R portion of the door sash 101 due to the bending process. Thereby, when the door sash 101 (door C) is attached to the vehicle body D, the gap between the R portion of the door sash 101 and the vehicle body D is larger than the gap between the linear portion of the door sash 101 and the vehicle body D. growing. Therefore, the sealing performance between the door sash 101 and the vehicle body D deteriorates, and the appearance also deteriorates.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem. Even if a sink occurs on the outer peripheral side of the R portion of the door sash due to the bending of the door sash, the sink can be compensated after the bending. It is an object to provide a door sash that can be used.

[0006]

According to the first aspect of the present invention,
A first holding portion for holding a door-side weather strip;
A second holding unit for holding the glass run;
A first closed cross-section portion provided on the vehicle cabin side with respect to the holding portion of the vehicle, and in contact with the vehicle body side weather strip; an exterior surface portion provided outside of the vehicle from the first and second holding portions and exposed to the outside of the vehicle; Connecting the surface portion and the first holding portion,
A second closed cross-section that is folded back from the exterior surface with a certain gap, the gap decreases as approaching the first holding part, and the second holding section is in close contact with the first holding part; A roll forming material roll-formed into
A door sash characterized by crushing a second closed cross section near a predetermined location after bending a roll forming material at a predetermined location in a longitudinal direction.

According to a second aspect of the present invention, in the door sash according to the first aspect, the process of crushing the second closed cross section is performed by a bending die for bending a roll forming material at a predetermined position. To provide a method for manufacturing a door sash.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to FIGS. FIG. 1 is a sectional view showing a sectional shape of a door sash according to the present invention. FIG. 2 is a diagram showing a first step of crushing a second closed cross section of the door sash. FIG.
FIG. 5 is a view showing a second step of crushing a second closed cross-section of the door sash. FIG. 4 is a view showing a third step of crushing a second closed cross section of the door sash. First, the sectional shape of the door sash according to the present invention will be described with reference to FIG. The door sash 1 includes a first holding portion 2 for holding the door-side weather strip A, a second holding portion 3 for holding the glass run B, and a vehicle from the first holding portion 2 and the second holding portion 3. A first closed cross-section portion 4 provided on the cabin side and in contact with a vehicle-side weather strip (not shown); and an exterior surface portion provided outside the first holding portion 2 and the second holding portion 3 and exposed outside the vehicle. 5, connecting the exterior surface portion 5 and the first holding portion 2, and is folded back from the exterior surface portion 5 with a certain gap, and the gap decreases as approaching the first holding portion 2, and eventually The second, which is in close contact with and connected to the first holding unit 2
Is roll-formed into a cross-sectional shape consisting of Then, as in the prior art, the door sash 1
It is bent at a predetermined position in the longitudinal direction by a bending process such as a bender bending so as to conform to the shape of the vehicle body D. In this state, sinking occurs on the outer peripheral side of the R portion of the door sash 1 due to the bending process. Therefore, a method for compensating sink marks generated by bending will be described below with reference to FIGS.

First, as shown in FIG. 2, a door sash 1 is fixed to a fixed mold 7 having a first concave portion 8 and a second concave portion 9.
2nd holding | maintenance part 3, 1st closed cross-section part 4, and exterior surface part 5
Is inserted. Next, as shown in FIG. 3, the first movable portion 10 clamps the first holding portion 2 of the door sash 1 and the second movable die 11 moves the R portion of the door sash 1 and the vehicle body D. Are moved to a predetermined position such that the gap between them is the same as the gap between the linear portion of the door sash 1 and the vehicle body D. Finally, as shown in FIG. 4, the second closed section 6 of the door sash 1 is crushed by the crushing mold 12. At this time, the second closed section 6 extends to a position where it abuts on the second movable mold 11. Thereby, the gap between the R portion of the door sash 1 and the vehicle body D becomes the same as the gap between the linear portion of the door sash 1 and the vehicle body D.

[0010] The step of crushing the second closed section 6 includes:
The bending may be performed by the bending device of the door sash 1, or a device that only crushes the second closed section 6 may be used separately from the bending device. If the bending is performed by the bending apparatus for the door sash 1, for example, in the case of the bender bending, the bending die is the fixed die 9, and the bending die (the fixed die 9) is provided with the first movable die 10, the second movable die 11, A crushing mold 12 is provided. As a result, it is not necessary to use another device, so that the moving distance of the worker is shortened, the time for resetting the door sash 1 to the bending device is shortened, and the area required for installing the device is reduced. Becomes possible.

Furthermore, the second closed section 6 is not limited to the shape shown in FIG. As can be seen from the other shapes of the second closed section 6 shown in FIGS. 5 to 9, the point is to connect the exterior surface section 5 and the first holding section 2, and to protrude toward the cabin. What is necessary is just a closed cross-sectional shape which has the hollow part which does.

[0012]

According to the door sash of the first aspect,
After the bending process of the door sash 1, even if the sink occurs on the outer peripheral side of the R portion, the gap between the R portion of the door sash 1 and the vehicle body D is equal to the gap between the linear portion of the door sash 1 and the vehicle body D. Will be the same. Thereby, the door sash 1 and the vehicle body D
And the appearance is also improved.

According to the method for manufacturing a door sash according to the second aspect, the process of crushing the second closed cross section 6 increases the number of steps, but does not require the use of another device, so that the operator is not required. , The time required to reset the door sash 1 to the bending apparatus and the area required for placing the apparatus can be reduced.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a sectional shape of a door sash according to the present invention.

FIG. 2 is a view showing a first step of crushing a second closed section of the door sash.

FIG. 3 is a view showing a second step of crushing a second closed section of the door sash.

FIG. 4 is a view showing a third step of crushing a second closed section of the door sash.

FIG. 5 is an enlarged view of a main part showing another shape of the second closed cross section.

FIG. 6 is an enlarged view of a main part showing another shape of the second closed cross section.

FIG. 7 is an enlarged view of a main part showing another shape of the second closed cross section.

FIG. 8 is an enlarged view of a main part showing another shape of the second closed cross section.

FIG. 9 is an enlarged view of a main part showing another shape of the second closed cross section.

FIG. 10 is a sectional view showing a sectional shape of a conventional door sash.

FIG. 11 is a side view showing a state where a conventional door sash (door) is attached to a vehicle body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1, 101 Door sash 2, 102 1st holding | maintenance part 3, 103 2nd holding | maintenance part 4, 104 1st closed cross section 5, 105 exterior surface part 6 2nd closed cross section 7 Fixed die 8 1st recessed part Reference Signs List 9 second concave portion 10 first movable die 11 second movable die 12 crushing die 106 laminated portion A door side weather strip B glass run C door D body body

Claims (2)

[Claims] A first holding portion for holding a door-side weatherstrip; a second holding portion for holding a glass run; and a vehicle-holding side provided from the first and second holding portions to a vehicle compartment side. A first closed cross-sectional portion with which a weather strip contacts, an exterior surface portion provided outside the vehicle from the first and second holding portions and exposed outside the vehicle, and connecting the exterior surface portion and the first holding portion. A second closed portion that is folded back from the exterior surface portion with a certain gap, and decreases as it approaches the first holding portion, and then comes into close contact with and connects to the first holding portion. A cross-section, and a roll-formed material that is roll-formed into a cross-sectional shape consisting of: after bending the roll-formed material at a predetermined position in a longitudinal direction,
A door sash, wherein the second closed cross-section near a predetermined location is crushed. 2. The door sash according to claim 1,
A method of manufacturing a door sash, wherein the process of crushing the second closed section is performed in a bending die for bending the roll formed material at a predetermined location.