JP6373938B2 - Door structure - Google Patents

Description

  The present invention relates to a vehicle door structure.

  As a door structure of a vehicle, Patent Document 1 discloses that a door body configured by an inner panel and an outer panel is provided with a sash portion that holds a door glass, and a reinforcing member that reinforces the sash portion is joined to the outer panel. A structure is disclosed.

JP 2007-223406 A

  However, the door structure disclosed in Patent Document 1 has a structure in which the reinforcing member is joined only to the upper edge portion of the outer panel, and thus further improvement in rigidity in the vicinity of the insertion portion of the sash is desired.

  An object of the present invention is to improve the rigidity in the vicinity of the insertion portion of the sash in the door structure in view of the problems in the prior art.

A door structure according to one aspect of the present invention includes a door body that forms a closed space with an outer panel and an inner panel;
A sash that is inserted into the closed space and guides the raising and lowering of the door glass;
A vehicle door structure comprising:
In the insertion portion of the sash in the closed space, an adhesive part bonded to the outer panel, a fixing part fixed to the inner panel, and an extension part formed between the fixing part and the adhesive part When provided with a reinforcement member having,
The inner panel has a door stiffener provided in the front-rear direction of the waist portion of the inner panel,
The fixed part of the reinforcing member, characterized by Rukoto fixed to the Doasutifuna.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to improve the rigidity in the insertion part vicinity of a sash in a door structure.

The schematic side view of the vehicle door on the right side of the front seat viewed from the outside of the vehicle with the outer panel removed. The A section enlarged view in the schematic side view of FIG. The figure which shows the state by which the other end of the reinforcement member was attached to the outer panel. The figure which illustrates the AA cross section in FIG. The figure which illustrates the BB cross section in FIG. The figure explaining the structure of the sash fixing | fixed part which fixes a sash to a door stiffener. Sectional drawing of the sash fixing | fixed part explaining the structure of a sash fixing | fixed part. The figure which looked at the mirror base attached to the mirror attachment part from the side of the vehicle outside. The figure which illustrates the state by which the door stiffener, the sash stiffener, the hinge stiffener, and the reinforcement member were assembled.

  A vehicle door structure according to an embodiment of the present invention will be described. The vehicle door structure includes a door main body that forms a closed space with an outer panel and an inner panel, and a sash that is inserted into the closed space of the door main body and guides the raising and lowering of the door glass. FIG. 1 is a schematic side view of a vehicle door on the right side of the front seat as viewed from the outside of the vehicle with the outer panel removed. The inner panel 10 constituting the door body 1 includes front and rear waist portions of the inner panel 10. A door stiffener 20 is provided in the direction. The door stiffener 20 functions as a load transmission (load path) member in the vehicle longitudinal direction.

  The inner panel 10 is provided with a vertical frame portion 30 that forms an opening W above the door body 1 and a sash stiffener 50 that holds a sash 40 that guides the raising and lowering of the door glass. A hinge stiffener 60 that reinforces the door hinge is provided at the front edge of the inner panel 10.

  The reinforcing member 70 connects the inner panel 10 and the outer panel 80 and reinforces the rigidity of the insertion portion of the sash. FIG. 2 is an enlarged view of a portion A in the schematic side view of FIG. As shown in FIG. 2, the fixing portion 76 of the reinforcing member 70 is fixed to the inner panel 10. In FIG. 2, the adhesion part 74 and the welding part 79 of the reinforcing member 70 are attached to an outer panel not shown in FIG.

  FIG. 3 is a view showing a state in which the adhesion portion 74 and the welding portion 79 of the reinforcing member 70 are attached to the outer panel 80 constituting the door body 1. In FIG. 3, the fixing portion 76 of the reinforcing member 70 is fixed to the inner panel 10 (not shown).

  FIG. 4 is a diagram illustrating an AA cross section in FIG. 3. The outer panel 80 and the inner panel 10 form a closed space S1. The reinforcing member 70 includes a bonding portion 74 that is bonded to the outer panel 80, a fixing portion 76 that is fixed to the inner panel 10, and a portion between the fixing portion 76 and the bonding portion 74 in the insertion portion of the sash 40 in the closed space S1. And an extending portion 77 formed on the surface.

  In FIG. 4, the sash stiffener 50 and the door stiffener 20 are fixed to the inner panel 10 by spot welding or the like, for example. The fixing portion 76 is fixed to the inner panel 10 by being fixed to the sash stiffener 50 and the door stiffener 20 by spot welding or the like, for example.

  By fixing the fixing portion 76 to the sash stiffener 50 and the door stiffener 20, it is possible to improve the attachment strength of the reinforcing member 70 at the fixing portion 76.

  Note that the fixing structure of the fixing portion 76 shown in FIG. 4 is exemplary, and the fixing portion 76 may be directly fixed to the door stiffener 20 in fixing to the inner panel 10. Since the reinforcing member 70 is fixed to the door stiffener 20 having a high strength (thickness is thicker than that of the inner panel) used as a front and rear load transmission (load path) member, the mounting strength can be improved. It becomes possible.

  An adhesive 83, for example, a sealer is applied in advance to the back side (closed space S side) of the outer panel 80, and the adhesive portion 74 of the reinforcing member 70 is applied to the adhesive applied to the back side of the outer panel 80 during assembly. By pressing, the adhesive portion 74 of the reinforcing member 70 is attached to the outer panel 80. The bonding between the bonding portion 74 and the outer panel 80 enables the reinforcing member 70 to be mounted across the door panel without specifying the fixing location on the back side of the outer panel 80, such as spot welding. It is possible to improve the strength of the insertion portion. Further, the bonding between the bonding portion 74 and the outer panel 80 can attach the bonding portion 74 of the reinforcing member 70 to the outer panel 80 without affecting the aesthetics of the design surface on the front side (the vehicle outer side) of the outer panel 80.

  The sash 40 is inserted into a space (closed space S <b> 1) formed between the inner panel 10 and the bonding portion 74, and is fixed to the door stiffener 20 by the sash fixing portion 42. By disposing the reinforcing member 70 in the sash insertion portion in the closed space S1, it is possible to improve the strength of the sash insertion portion and to save the space of the insertion portion.

  FIG. 5 is a diagram illustrating a BB cross section in FIG. 3. The outer panel 80 has a mirror attachment portion 82 to which a mirror base 90 that holds a door mirror is attached on the outer surface in the vehicle width direction (side surface on the vehicle outer side). The reinforcing member 70 includes a welded portion 79 that is welded to a position corresponding to the mirror mounting portion 82 on the inner side surface in the vehicle width direction (side surface on the vehicle inner side) of the outer panel 80. The welded portion 79 of the reinforcing member 70 is fixed to the outer panel 80 by, for example, spot welding.

  FIG. 8 is a view of the mirror base 90 attached to the mirror attachment portion 82 as seen from the side surface outside the vehicle. In FIG. 8, a portion indicated by “x” is a portion where the welded portion 79 is fixed to the outer panel 80 by spot welding or the like on the side surface on the vehicle inner side. When spot welding or the like is performed, welding marks appear on the outer side surface of the outer panel 80 in the vehicle width direction (side surface on the outer side of the vehicle), but on the outer side surface of the outer panel 80 in the vehicle width direction, the welded portion 79 of the reinforcing member 70 is fixed. Since it is hidden by the mirror base 90, it is possible to ensure the mounting strength of the reinforcing member 70 while avoiding the influence on the design surface of the outer panel 80.

  The reinforcing member 70 is fixed to the outer panel 80 by a welded portion 79 and attached to the outer panel 80 by an adhesive portion 74. The sash stiffener 50 and the door stiffener 20 are fixed to the inner panel 10, and the fixing portion 76 of the reinforcing member 70 is fixed to the inner panel 10 by being fixed to the sash stiffener 50 and the door stiffener 20. Note that the fixing portion 76 may be directly fixed to the door stiffener 20 in fixing to the inner panel 10.

  An extending portion 77 formed between the fixing portion 76 and the bonding portion 74 connects the inner panel 10 and the outer panel 80 via the fixing portion 76 and the bonding portion 74. Further, the second extending portion 78 formed between the fixed portion 76 and the welded portion 79 connects the inner panel 10 and the outer panel 80 via the fixed portion 76 and the welded portion 79. By connecting the inner panel 10 and the outer panel 80 by the extending portion 77 and the second extending portion 78, it is possible to improve the rigidity of the outer panel in the vicinity of the insertion portion of the sash. For example, it becomes possible to suppress sticking when the outer panel is pressed from the outside of the vehicle.

  FIG. 6 is a diagram illustrating a configuration of a sash fixing portion 42 that fixes the sash 40 to the door stiffener 20, and FIG. 7 is a cross-sectional view of the sash fixing portion 42 illustrating a specific configuration of the sash fixing portion 42. is there. The door stiffener 20 has a sash fixing portion 42 that fixes a sash 40 inserted into a space (closed space S1) formed between the inner panel 10 and the bonding portion 74. The sash 40 is a sash fixing portion 42. Is fixed to the door stiffener 20.

  The sash fixing portion 42 includes a bolt 44 and a nut 46, a bracket 48, and a bent portion 49 formed integrally with the bracket 48. A bent portion 49 is fixed to the back surface of the sash 40. The door stiffener 20 is formed with an opening through which the bolt 44 can be penetrated, and the bolt 44 is inserted from the opening of the door stiffener 20 to the front side (vehicle outer side) from the back side (vehicle inner side) of the door stiffener 20. . The bracket 48 is formed with an opening through which the bolt 44 can be penetrated. By fastening the nut 46 to the bolt 44 with the bolt 44 inserted into the opening of the bracket 48, the bracket 48, the bent portion 49, and the sash 40 are formed. Is fixed to the door stiffener 20.

  In the insertion portion of the sash in the closed space formed by the outer panel and the inner panel, it is possible to improve the mounting strength of the sash 40 and the rigidity of the mounting portion while saving space.

  FIG. 9 is a diagram illustrating a state in which the door stiffener 20, the sash stiffener 50, the hinge stiffener 60, and the reinforcing member 70 are assembled. At the time of assembly, a positioning unit such as a positioning jig / positioning pin corresponding to each part is used to align the relative positions of the parts so that the assembling accuracy is ensured.

  For example, the door stiffener and the sash stiffener are positioned by the first positioning unit, the sash stiffener and the reinforcing member are positioned by the second positioning unit, and the sash stiffener and the hinge stiffener are positioned by the third positioning unit. The door stiffener 20, the sash stiffener 50, the reinforcing member 70, and the hinge stiffener 60 assembled by the first positioning unit, the second positioning unit, and the third positioning unit are fixed to the inner panel 10.

  Assembling work to the inner panel, which is a large part, can be facilitated while ensuring the assembly accuracy of the small parts, the door stiffener, the sash stiffener, and the reinforcing member.

<Summary of Embodiment>
Configuration 1. The door structure of the above embodiment is
A door body (for example, 1 in FIG. 1) that forms a closed space (for example, S1 in FIG. 4) with an outer panel (for example, 80) and an inner panel (for example, 10), and is inserted into the closed space to raise and lower the door glass. A sash to guide (eg 40),
A vehicle door structure comprising:
In the insertion portion of the sash in the closed space, an adhesive portion (for example, 74) bonded to the outer panel, a fixing portion (for example, 76) fixed to the inner panel, and the fixing portion and the adhesive portion A reinforcing member (for example, 70) having an extending portion (for example, 77) formed therebetween is provided.

  According to the embodiment of Configuration 1, it is possible to improve the rigidity in the vicinity of the insertion portion of the sash in the door structure.

  Further, according to the embodiment of the configuration 1, the adhesive portion of the reinforcing member affects the aesthetics of the design surface on the front side of the outer panel by previously applying an adhesive, for example, a sealer, to the back side of the outer panel. And can be adhered to the outer panel.

  In addition, by allowing the extension portion to be slightly bent with respect to torsion or the like, it is possible to prevent the outer panel from being deformed and affecting the design surface.

  Furthermore, the adhesion to the outer panel enables the reinforcement member to be mounted across the door panel without specifying the fixing location on the back side of the outer panel, such as spot welding, and improves the strength of the insertion part of the sash. It becomes possible to make it.

Configuration 2. In the door structure of the above embodiment, the inner panel (for example, 10) has a door stiffener (for example, 20) provided in the front-rear direction of the waist portion of the inner panel,
A fixing portion (for example, 76) of the reinforcing member is fixed to the door stiffener.

  According to the configuration 2, the reinforcing member is fixed to the door stiffener having high strength (the plate thickness is larger than that of the inner panel) used as the front and rear load transmission (load path) members, so that the mounting strength is improved. Is possible.

  Configuration 3. In the door structure according to the embodiment, the sash (for example, 40) is inserted into a space formed between the inner panel (for example, 10) and the adhesive portion (for example, 74). .

  According to the configuration 3, it is possible to save the space of the insertion portion while improving the strength of the insertion portion of the sash.

Configuration 4. In the door structure according to the embodiment, the door stiffener (for example, 20) has a sash fixing portion (for example, 42) for fixing the sash inserted into the space,
The sash (for example, 40) is fixed to the door stiffener (for example, 20) by the sash fixing portion (for example, 42).

  According to the configuration 4, it is possible to further improve the mounting strength of the sash and the rigidity of the mounting portion while saving space in the insertion portion of the sash.

Configuration 5. In the door structure of the above embodiment, the outer panel (for example, 80 in FIG. 5)
A mirror mounting portion (for example, 82) to which a mirror base holding a door mirror is mounted on the outer surface in the vehicle width direction;
The reinforcing member (for example, 70)
A welded portion (for example, 79) welded to a position corresponding to the mirror mounting portion is provided on the inner side surface in the vehicle width direction of the outer panel.

  According to the configuration 5, since the portion where the welded portion of the reinforcing member is fixed is hidden by the mirror base on the outer side surface of the outer panel in the vehicle width direction, the influence on the design surface of the outer panel is avoided and the reinforcing member is attached. It becomes possible to ensure strength.

Configuration 6. In the door structure of the above embodiment, the inner panel is
A sash stiffener (for example, 50 in FIG. 1) provided along the vertical frame portion (for example, 30 in FIG. 1) and the waist portion that form an opening provided above the door body;
A fixing portion (for example, 76) of the reinforcing member is fixed to the sash stiffener (for example, 50 in FIG. 4) and the door stiffener (for example, 20 in FIG. 4).

  According to Configuration 6, it is possible to improve the attachment strength at the fixing portion of the reinforcing member.

Configuration 7. In the door structure of the above embodiment, the door stiffener (for example, 20 in FIG. 9) and the sash stiffener (for example, 20 in FIG. 9) are positioned by a first positioning unit,
The sash stiffener (for example, 50 in FIG. 9) and the reinforcing member (for example, 70 in FIG. 9) are positioned by a second positioning unit,
The door stiffener, the sash stiffener, and the reinforcing member assembled by the first positioning unit and the second positioning unit are fixed to the inner panel (for example, 10).

  According to Configuration 7, it is possible to facilitate the assembly work to the inner panel, which is a large part, while assuring the assembly accuracy of the door stiffener, the sash stiffener, and the reinforcing member, which are small parts. .

  Configuration 8. In the door structure according to the above embodiment, the extending portion (for example, 77 in FIG. 4) is configured so that the fixing portion (for example, 76 in FIG. 4) and the adhesive portion (for example, 74 in FIG. 4) An inner panel (for example, 10 in FIG. 4) and the outer panel (for example, 80 in FIG. 4) are connected.

  According to the structure 8, it becomes possible to improve the rigidity of the outer panel in the vicinity of the insertion portion of the sash. For example, it becomes possible to suppress sticking when the outer panel is pressed from the outside of the vehicle.

1: door body, 10: inner panel, 20: door stiffener, 30: vertical frame,
40: Sash, 50: Sash stiffener, 60: Hinge stiffener,
70: reinforcement member, 80: outer panel, 74: adhesive portion, 76: fixing portion,
77: Extension part, 79: Welding part

Claims (7)

A door body that forms a closed space with an outer panel and an inner panel;
A sash that is inserted into the closed space and guides the raising and lowering of the door glass;
A vehicle door structure comprising:
In the insertion portion of the sash in the closed space, an adhesive part bonded to the outer panel, a fixing part fixed to the inner panel, and an extension part formed between the fixing part and the adhesive part When provided with a reinforcement member having,
The inner panel has a door stiffener provided in the front-rear direction of the waist portion of the inner panel,
Fixing part of the reinforcing member, the door structure, characterized in Rukoto fixed to the Doasutifuna. The door structure according to claim 1 , wherein the sash is inserted into a space formed between the inner panel and the bonding portion. The door stiffener has a sash fixing portion that fixes the sash inserted through the space,
The door structure according to claim 2 , wherein the sash is fixed to the door stiffener by the sash fixing portion. The outer panel is
On the outer surface in the vehicle width direction, it has a mirror mounting portion to which a mirror base that holds the door mirror is mounted,
The reinforcing member is
The door structure according to any one of claims 1 to 3 , further comprising a welded portion welded at a position corresponding to the mirror mounting portion on an inner side surface in the vehicle width direction of the outer panel. The inner panel is
A sash stiffener provided along the vertical frame part and the waist part forming an opening provided above the door body;
The door structure according to any one of claims 1 to 3 , wherein the fixing portion of the reinforcing member is fixed to the sash stiffener and the door stiffener. The door stiffener and the sash stiffener are positioned by a first positioning unit,
The sash stiffener and the reinforcing member are positioned by a second positioning unit,
The door structure according to claim 5 , wherein the door stiffener, the sash stiffener, and the reinforcing member assembled by the first positioning unit and the second positioning unit are fixed to the inner panel. The door structure according to any one of claims 1 to 6 , wherein the extension portion connects the inner panel and the outer panel via the fixing portion and the adhesive portion.

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