JP2010100254A - Door structure in vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door structure in a vehicle improving closing property of a door. <P>SOLUTION: The door structure 10 in the vehicle includes: a ventilation port S formed near a turning center of the vehicle door 20 in the inner side of a compartment 18 from a door weather strip 36 attached to the door 20 of the vehicle and between the door 20 and a vehicle body 12; an opening/closing member 30 provided on the door 20, opening and closing the ventilation port S; a bias member 34 biasing the opening/closing member 30 in a direction for closing the ventilation port S; and a pressing means 40 temporarily opening the ventilation port S against biasing force of the bias member 34 by pressing the opening/closing member 30 or the vehicle body 12 with closing movement of the door 20. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a door structure that can improve the closing performance of a door in a vehicle.

In a vehicle such as an automobile, a technique for preventing the interior of the vehicle from becoming positive pressure and improving the closing performance of the door when the door is closed has been proposed (for example, see Patent Document 1). However, when the weight of the door is reduced, the door may lose its positive pressure and the closing performance of the door may not be improved. Thus, there is still room for improvement in the technology for improving the closing performance of the door.
Japanese Utility Model Publication No. 5-35413

  Then, an object of this invention is to obtain the door structure in the vehicle which can improve the closing property of a door in view of the said situation.

  In order to achieve the above object, the door structure in the vehicle according to claim 1 according to the present invention is near the center of rotation of the door on the vehicle interior side of the door weather strip attached to the door for the vehicle. Thus, a ventilation opening formed between the door and the vehicle body, an opening / closing member provided on the door for opening / closing the ventilation opening, and an urging member for urging the opening / closing member in a closing direction of the ventilation opening. And a pressing means for temporarily opening the vent hole against the biasing force of the biasing member by pressing the opening / closing member or the vehicle body in accordance with the closing operation of the door. It is characterized by.

  According to the first aspect of the present invention, the air vent formed between the door and the vehicle body and opened and closed by the opening / closing member maintains a state of being temporarily opened when the door is closed. Therefore, when the door is closed, the positive pressure in the vehicle compartment can be quickly eliminated, and the closing performance of the door can be improved. Further, the ventilation opening is formed in the vicinity of the rotation center of the door on the vehicle interior side with respect to the door weather strip. Therefore, this ventilation opening is surely opened before the vehicle interior is sealed by the door weather strip.

  The door structure for a vehicle according to claim 2 is the door structure for a vehicle according to claim 1, wherein the pressing means is a viscous damper device.

  According to the second aspect of the present invention, it is possible to reliably open the ventilation port temporarily when the door is closed.

  As described above, according to the present invention, it is possible to provide a door structure in a vehicle that can improve the closing performance of the door.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS The best mode for carrying out the present invention will be described below in detail based on the embodiments shown in the drawings. First, the first embodiment will be described. FIG. 1 is a schematic side view of a vehicle provided with a door structure 10 according to the present embodiment. FIG. 2 is a schematic cross-sectional view taken along the line XX in FIG. 1 showing when the vent hole is closed according to the first embodiment, and FIG. 3 corresponds to FIG. 2 showing when the door is opened according to the first embodiment. FIG.

  Further, FIG. 4 is a schematic cross-sectional view corresponding to FIG. 2 showing the opening of the ventilation port immediately after the door is closed according to the first embodiment, and FIG. 5 is a position where the ventilation hole is formed in the door structure 10 according to the first embodiment. It is a schematic sectional drawing which shows. In each figure, an arrow FR appropriately indicates the vehicle body front direction, an arrow UP indicates the vehicle body upward direction, and an arrow OUT indicates the vehicle width direction outer side.

  As shown in FIGS. 1 to 5, the door structure 10 is provided in a vehicle such as an automobile, and the ventilation opening S prevents the interior of the passenger compartment 18 from becoming positive pressure when the door (front door) 20 is closed. have. The ventilation opening S is in the vicinity of the center of rotation (hereinafter referred to as “hinge center”) H of the door 20, more specifically, as close as possible to the hinge center H, on the vehicle body front side inside the door 20 (door trim 26 described later), It is formed between the vehicle body 12 (opening weather strip 38 to be described later).

  As shown in FIGS. 2 to 5, the door 20 includes, for example, an aluminum door outer panel 22 and a door inner panel 24, and a peripheral portion of the door outer panel 22 is provided on a peripheral portion 24 </ b> A of the door inner panel 24. 22A is joined by hemming. A door trim 26 is provided inside the door inner panel 24 in the vehicle width direction.

  An opening / closing member 30 is provided on the front side of the vehicle body of the door trim 26 so as to be rotatable about the vertical direction of the vehicle body as an axial direction. That is, a bracket 27 having a through-hole is integrally provided at the vehicle trim front end of the door trim 26 and at the vehicle width direction outer side, and at the vehicle body rear side end of the opening / closing member 30 and at the vehicle width direction outer side. Is integrally provided with a bracket 31 in which a through hole is formed.

  The bracket 27 and the bracket 31 are overlapped in a plan view so that the through holes communicate with each other, and the rotation shafts 28 are inserted into the respective through holes. The opening / closing member 30 is pivotally supported with respect to the door trim 26 by being prevented from falling out of the door trim 26.

  Further, a winding portion 34A of a torsion spring 34 as an urging member is inserted into the rotating shaft 28, and one end portion 34B of the torsion spring 34 is locked to the door trim 26. The other end 34 </ b> C is engaged with the opening / closing member 30.

  Thereby, the opening / closing member 30 is configured to be constantly urged in the direction of closing the ventilation opening S. The opening / closing member 30 is formed in a substantially “L” shape in a plan view, and a bent portion of the opening / closing member 30 is formed at approximately 90 degrees.

  On the other hand, a fender 14 is disposed on the vehicle body front side of the door 20, and a front pillar 16 is disposed on the inner side of the door 20 in the vehicle width direction. A door weather strip 36 is attached to a predetermined position of the door inner panel 24 of the door 20 (outside in the vehicle width direction from the ventilation opening S). When the door 20 is closed, the door weather strip 36 is The front pillar 16 is pressed against the outside in the vehicle width direction.

  Further, an opening weather strip 38 is attached to the inner side of the front pillar 16 in the vehicle width direction so that the rear side (hereinafter referred to as “rear part”) 30C of the opening / closing member 30 contacts (pressure contact) / separates from the bent part 30A. The opening weather strip 38 (the vehicle body 12) and the opening / closing member 30 (the door 20) form a ventilation opening S.

  Accordingly, when the rear portion 30C of the opening / closing member 30 contacts (pressure contact) with the opening weather strip 38, the ventilation opening S is closed, and when the rear portion 30C of the opening / closing member 30 is separated from the opening weather strip 38, the ventilation opening S In this configuration, S is opened.

  Further, the door 20 is closed on the front pillar 16 on the inner side in the vehicle width direction than the portion where the door weather strip 36 is pressed and outside the portion where the opening weather strip 38 is provided. Along with this, by pressing the vehicle body front side (hereinafter referred to as “front part”) 30B from the bent portion 30A of the opening / closing member 30, the ventilation opening S is temporarily opened against the urging force of the torsion spring 34. A damper device 40 is provided as a pressing means.

  The damper device 40 can use, for example, a viscous type that utilizes the viscous resistance of a liquid, and is constantly energized by a main body portion 42 in which the liquid is sealed, and an unillustrated urging means in a direction protruding from the main body portion 42. And a piston rod 44 that abuts against the front portion 30 </ b> B of the opening / closing member 30. The piston rod 44 is formed in a substantially cylindrical shape having a hemispherical tip, and is configured so as not to damage the opening / closing member 30 even if it abuts against the front portion 30B of the opening / closing member 30.

  The urging force applied to the piston rod 44 is weaker than the urging force of the torsion spring 34. When the opening / closing member 30 is rotated in the front direction of the vehicle body by the urging force of the torsion spring 34, the urging force is reduced. The piston rod 44 is pushed and gradually retracts into the main body portion 42 while generating a damping force due to viscosity (so as to close the vent hole S). Accordingly, the closing operation of the opening / closing member 30 is delayed by several seconds (about 1 second to 2 seconds) than the closing operation of the door 20, and the state where the ventilation opening S is temporarily opened is configured.

  Further, as shown in FIG. 5, the ventilation opening S is formed at a position as close as possible to the hinge center H of the door 20 on the inner side of the cabin 18 than the door weather strip 36. Therefore, even if the length of the piston rod 44 in the damper device 40 is relatively short, the piston rod 44 can be brought into contact with the front portion 30B of the opening / closing member 30 before the door 20 is completely closed. it can.

  That is, since the rotation stroke T1 of the door 20 near the opening / closing member 30 is shorter than the rotation stroke T2 of the door 20 at the rear end portion of the vehicle body (T1 <T2), The air vent S is reliably opened, and the air in the passenger compartment 18 can be exhausted from the air vent S to the outside of the passenger compartment 18 through the drain holes 46 formed in the door inner panel 24.

  Therefore, when the door 20 is closed, it is possible to reliably prevent the inside of the passenger compartment 18 from becoming a positive pressure. Moreover, since the length of the piston rod 44 can be formed relatively short, there is also an advantage that the main body portion 42 of the damper device 40 can be made compact. Further, the drain hole 46 is formed in a predetermined size in the door inner panel 24 on the outer side in the vehicle width direction than the vent hole S and on the inner side in the vehicle width direction with respect to the door weather strip 36.

  Next, the operation of the door structure 10 according to the first embodiment configured as described above will be described. As shown in FIG. 2, at a normal time when the door 20 is closed and a certain amount of time has passed, the front portion 30 </ b> B of the opening / closing member 30 pushes the piston rod 44 toward the main body portion 42 by the biasing force of the torsion spring 34. It is rotating in the front direction of the vehicle.

  The rear portion 30C on the rear side of the vehicle body with respect to the bent portion 30A of the opening / closing member 30 is pressed against the opening weather strip 38 by the urging force of the torsion spring 34, thereby closing the ventilation port S. Therefore, the airtightness (sealability) in the passenger compartment 18 is ensured, and sound insulation is also ensured.

  On the other hand, as shown in FIG. 3, when the door 20 is opened, the piston rod 44 of the damper device 40 protrudes from the main body 42 (rearward of the vehicle body) by the urging force of the urging means (not shown). The opening / closing member 30 is also rotated forward of the vehicle body by the urging force of the torsion spring 34. And if the door 20 is closed after this state, it will be in a state as shown in FIG.

  That is, immediately after the door 20 is closed, the front portion 30B of the opening / closing member 30 is pressed against the urging force of the torsion spring 34 by the piston rod 44 of the damper device 40 to the rear of the vehicle body. The member 30 is rotated to the rear side of the vehicle body about the rotation shaft 28, and the rear portion 30 </ b> C is separated from the opening weather strip 38.

  That is, the ventilation opening S is thereby opened (temporarily). Therefore, the air in the passenger compartment 18 is discharged from the vent hole S to the outside of the passenger compartment 18 through the drain hole 46 formed in the door inner panel 24. Therefore, when the door 20 is closed, it is possible to reliably prevent the interior of the passenger compartment 18 from becoming a positive pressure.

  Further, as shown in FIG. 5, the ventilation opening S (opening / closing member 30) is formed at a position (near) as close as possible to the hinge center H of the door 20 inside the passenger compartment 18 relative to the door weather strip 36. . Therefore, when the door 20 starts the closing operation, the piston rod 44 of the damper device 40 can come into contact with the opening / closing member 30 (front portion 30B), and the opening / closing member 30 (rear portion 30C) is brought into contact with the opening weather strip 38. Can be separated from

  In other words, the air vent S can be surely opened before the interior of the passenger compartment 18 begins to be sealed by the door weather strip 36 being pressed against the front pillar 16. Therefore, when the door 20 is closed, the positive pressure in the passenger compartment 18 is quickly eliminated, and even the door 20 made of aluminum and reduced in weight can improve the closing performance of the door 20.

  When a few seconds have elapsed after the door 20 is completely closed, the urging force of the piston rod 44 in the damper device 40 is weaker than the urging force of the torsion spring 34 of the opening / closing member 30, so that the piston rod 44 is attenuated by the viscosity of the liquid. While generating force, it is gradually retracted (immersed) into the main body portion 42, and the opening / closing member 30 is gradually rotated forward of the vehicle body.

  When the piston rod 44 is completely retracted (immersed) into the main body 42, the rear portion 30 </ b> C on the rear side of the vehicle body from the bent portion 30 </ b> A of the opening / closing member 30 is opened by the urging force of the torsion spring 34. The strip 38 is brought into contact (pressure contact). Thereby, as shown in FIG. 2, the ventilation opening S is closed by the opening / closing member 30.

  Next, a second embodiment will be described. FIG. 6 is a schematic cross-sectional view taken along the line YY in FIG. 1 showing when the vent hole is closed according to the second embodiment, and FIG. 7 is a diagram showing when the vent hole is opened immediately after the door is closed according to the second embodiment. 6 is a schematic cross-sectional view corresponding to FIG. In the second embodiment, the same parts as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIGS. 1, 6, and 7, the air vent S is located as close as possible to the hinge center H of the door (rear door) 20, on the vehicle body lower side inside the door 20 (door trim 26), and the vehicle body 12 (opening). A weather strip 38). Therefore, the opening / closing member 32 that opens and closes the air vent S is provided at the position below the door trim 26 in the vehicle body and as close as possible to the hinge center H so as to be rotatable about the vehicle longitudinal direction as the axial direction.

  That is, a bracket 29 having a through hole is integrally provided on the lower side of the door trim 26 in the vehicle body and on the outer side in the vehicle width direction. Is integrally provided with a bracket 33 in which a through hole is formed.

  The bracket 29 and the bracket 33 are overlapped in front view so that the through holes communicate with each other, and the rotation shafts 28 are inserted into the respective through holes. The opening / closing member 32 is pivotally supported with respect to the door trim 26 by preventing it from falling off from 29 and 33.

  Further, a winding portion 34A of a torsion spring 34 as an urging member is inserted into the rotating shaft 28, and one end portion 34B of the torsion spring 34 is locked to the door trim 26. The other end 34 </ b> C is engaged with the opening / closing member 32.

  Thereby, the opening / closing member 32 is configured to be constantly urged in the direction of closing the ventilation opening S. The opening / closing member 32 is formed in a substantially “S” shape in a side sectional view, and a bent portion 32A is formed between the portions bent in the opposite direction twice at approximately 90 degrees. Yes.

  On the other hand, a rocker 50 is disposed on the vehicle body lower side of the door 20. The rocker 50 is configured to include a rocker outer panel 52 and a rocker inner panel 54, and flange portions 52 </ b> A and 54 </ b> A formed at the peripheral portions of the rocker outer panel 52 and the rocker inner panel 54 are joined to each other. A closed cross-sectional structure is formed.

  An opening weather strip 38 is attached to the flanges 52A and 54A on the upper side of the vehicle body of the rocker 50. The opening weather strip 38 is pressed on the upper side of the opening weather strip 38 and on the inner side in the vehicle width direction. A rocker garnish 48 having a vertical wall portion 48A with which the piston rod 44 of the damper device 40 as a means abuts (relatively presses) is provided.

  That is, a damper device 40 equivalent to that of the first embodiment is attached to the vehicle body upper side (hereinafter referred to as “upper part”) 32B from the bent portion 32A of the opening / closing member 32, and the piston rod 44 is connected to the main body portion 42. Projecting inward in the vehicle width direction. Therefore, as the door 20 is closed, the piston rod 44 of the damper device 40 attached to the upper portion 32B abuts against the vertical wall portion 48A (vehicle body 12) of the rocker garnish 48 and relatively presses it. is there.

  Also, the vehicle body lower side (hereinafter referred to as “lower part”) 32C of the opening / closing member 32 contacts (opens) the opening weather strip 38 when the opening / closing member 32 rotates in the vehicle width direction around the rotation shaft 28. A space is formed between the opening weather strip 38 (vehicle body 12) and the lower portion 32C (door 20) of the opening / closing member 32.

  Accordingly, when the lower portion 32C of the opening / closing member 32 comes into contact (pressure contact) with the opening weather strip 38, the ventilation opening S is closed, and when the lower portion 32C of the opening / closing member 32 is separated from the opening weather strip 38, the ventilation opening S In this configuration, S is opened. Further, an engaging portion 32D that is bent from the vehicle width direction outer side to the vehicle body lower side is formed at the vehicle body lower side end portion of the lower portion 32C of the opening / closing member 32.

  Then, a convex portion 26A as an engaged portion with which the engaging portion 32D abuts (engages) is protruded toward the vehicle body upward direction at the vehicle width direction inner side end portion of the door trim 26 on the vehicle body lower side. ing. Therefore, the opening / closing member 32 is configured such that when the ventilation opening S is closed (when the lower portion 32C is in pressure contact with the opening weather strip 38), the engaging portion 32D is in contact with the convex portion 26A. S is closed without a gap.

  Further, the ventilation opening S is also formed at a position as close as possible to the hinge center H of the door 20. Therefore, even if the length of the piston rod 44 in the damper device 40 is relatively short, the piston rod 44 is brought into contact with the vertical wall portion 48A of the rocker garnish 48 before the door 20 is completely closed. Can do.

  Therefore, when the door 20 is closed, it is possible to reliably prevent the inside of the passenger compartment 18 from becoming a positive pressure. That is, the air in the vehicle compartment 18 can be discharged from the air vent S to the outside of the vehicle compartment 18. In the case of the second embodiment, the air in the passenger compartment 18 can be discharged directly from the vent hole S to the outer side in the vehicle width direction of the door inner panel 24, so there is no need to pass through the drain hole 46.

  Next, the operation of the door structure 10 of the second embodiment configured as described above will be described. As shown in FIG. 6, when the door 20 is closed and a certain amount of time has passed, the opening / closing member 32 is rotated inward in the vehicle width direction by the urging force of the torsion spring 34, and the opening / closing member 32 is bent. A lower portion 32C on the vehicle body lower side than the portion 32A is in pressure contact with the opening weather strip 38 and closes the vent hole S.

  At this time, the piston rod 44 of the damper device 40 attached to the upper part 32 </ b> B of the opening / closing member 32 is relatively pushed toward the main body 42 by the rocker garnish 48, and the opening / closing member 32 is inserted into the convex portion 26 </ b> A of the door trim 26. The engaging portion 32D is in contact. Therefore, the airtightness (sealability) in the passenger compartment 18 is ensured, and sound insulation is also ensured.

  On the other hand, when the door 20 is opened, the piston rod 44 of the damper device 40 protrudes (inward in the vehicle width direction) from the main body 42 by the urging force of the urging means (not shown). The opening / closing member 32 is also rotated inward in the vehicle width direction by the urging force of the torsion spring 34. Then, after this state, when the door 20 is closed, the state shown in FIG. 7 is obtained.

  That is, immediately after the door 20 is closed, the piston rod 44 of the damper device 40 is in contact with the rocker garnish 48 with the piston rod 44 protruding, so that the upper portion 32B of the opening / closing member 32 is moved to the torsion spring 34 by the rocker garnish 48. The urging force is relatively pushed outward in the vehicle width direction.

  Therefore, the opening / closing member 32 is rotated outward in the vehicle width direction around the rotation shaft 28, and the lower portion 32 </ b> C is separated from the opening weather strip 38. In other words, the ventilation opening S is thereby opened (temporarily). Therefore, the air in the passenger compartment 18 is discharged from the vent hole S to the outside of the passenger compartment 18. Therefore, when the door 20 is closed, it is possible to reliably prevent the interior of the passenger compartment 18 from becoming a positive pressure.

  The ventilation opening S (opening / closing member 32) is formed at a position (near) as close as possible to the hinge center H of the door 20. Therefore, when the door 20 starts the closing operation, the piston rod 44 of the damper device 40 can come into contact with the rocker garnish 48, and the opening / closing member 32 (lower part 32C) can be separated from the opening weather strip 38. .

  That is, the vent hole S can be surely opened before the interior of the passenger compartment 18 begins to be sealed by the door 20 being pressed against the opening weather strip 38. Therefore, when the door 20 is closed, the positive pressure in the passenger compartment 18 is quickly eliminated, and even the door 20 made of aluminum and reduced in weight can improve the closing performance of the door 20.

  When several seconds have elapsed after the door 20 is completely closed, the urging force of the piston rod 44 in the damper device 40 is weaker than the urging force of the torsion spring 34 of the opening / closing member 32. Therefore, the piston rod 44 is attenuated by the viscosity of the liquid. While generating force, the main body 42 is gradually retracted (immersed), and the opening / closing member 32 gradually turns inward in the vehicle width direction.

  When the piston rod 44 is completely retracted (immersed) into the main body 42, the lower portion 32 </ b> C on the vehicle body lower side than the bent portion 32 </ b> A of the opening / closing member 32 is opened by the urging force of the torsion spring 34. The strip 38 is brought into contact (pressure contact). Thereby, as shown in FIG. 6, the ventilation opening S is closed by the opening / closing member 32.

  The door structure 10 according to the present embodiment has been described based on the first and second examples. However, the door structure 10 according to the present embodiment is not limited to the illustrated examples. The design can be changed as appropriate without departing from the scope of the present invention. For example, in the second embodiment, the damper device 40 may be provided on the vertical wall portion 48 </ b> A of the rocker garnish 48.

  In any case, the door structure 10 according to the present embodiment is provided with a damper device 40 that presses (relatively) the opening and closing members 30 and 32, and can perform the closing operation of the door 20 without using power such as an actuator. Utilizing this configuration, the vent hole S for discharging the air in the passenger compartment 18 is temporarily opened. Therefore, there is an advantage that the structure is simple and can be manufactured at a relatively low cost.

Schematic side view of a vehicle provided with a door structure according to the present embodiment Schematic cross-sectional view taken along the line XX in FIG. 1 showing when the air vent is closed according to the first embodiment Schematic cross-sectional view corresponding to FIG. 2 showing when the door is open according to the first embodiment FIG. 2 is a schematic cross-sectional view corresponding to FIG. 2 showing the vent opening immediately after the door is closed according to the first embodiment. Schematic sectional view showing the formation position of the vent of the door structure according to the first embodiment 1 is a schematic cross-sectional view taken along line YY in FIG. FIG. 6 is a schematic cross-sectional view corresponding to FIG. 6, showing the opening of the vent immediately after the door is closed according to the second embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Door structure 12 Car body 18 Cabin 20 Door 22 Door outer panel 24 Door inner panel 26 Door trim 28 Rotating shaft 30 Opening / closing member 32 Opening / closing member 34 Torsion spring (biasing member)
36 Door weather strip 38 Opening weather strip 40 Damper device (pressing means)
42 Body 44 Piston rod 46 Drain hole 48 Rocker garnish 50 Rocker H Hinge center (rotation center)
S vent

Claims (2)

A ventilation opening formed between the door and the vehicle body near the center of rotation of the door on the vehicle interior side of the door weather strip attached to the vehicle door;
An opening / closing member provided on the door for opening and closing the ventilation opening;
An urging member that urges the opening / closing member in a closing direction of the ventilation opening;
A pressing means for temporarily opening the vent hole against the biasing force of the biasing member by pressing the opening / closing member or the vehicle body in accordance with the closing operation of the door;
A door structure in a vehicle, comprising:   The door structure in a vehicle according to claim 1, wherein the pressing means is a viscous damper device.

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