JP2008302876A - Door structure for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door structure for an automobile capable of preventing deformation of a door outer panel by incorrect operation of a door handle by effectively utilizing a dead space above the door handle while attaining miniaturization of a constitution. <P>SOLUTION: The door structure for the automobile is provided with a door panel (door inner panel 4) with higher rigidity than a door outer panel 9 at an inner side of a cabin than the door outer panel 9. In the door 1 above the door outer handle 15, a projection member 37 provided to stand so as to approach to a back surface of the door outer panel 9 from the door panel (door inner panel 4) is provided. The door structure is provided with a sash guide 6 having an extension part 6a downward extending than a belt line part. The projection member 37 is mounted to the door panel (door inner panel 4), is extended from a mounting part to the door panel (door inner panel 4) to the sash guide 6 side, and is connected to the extension part 6a. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an automobile door structure including a door handle having a door key cylinder and a key rod for transmitting rotation of the door key cylinder to a door latch.

Conventionally, as a door structure of an automobile, for example, there is a structure disclosed in Patent Document 1.
That is, a door key cylinder is attached to the door outer panel, a key rod is connected to a rotating portion of the door key cylinder via an arm (agreeing with a rotating link), a lower portion of the key rod is connected to a door latch, and a door handle including the door key cylinder is attached. These are attached to the lower reinforcing panel via a reinforcing plate extending in the vertical direction.

  According to this conventional structure, when a vehicle collision occurs, the key rod is displaced through the arm and the door latch is unlocked by the rotation of the door handle accompanying the deformation of the door outer panel. Since the deformation of the door handle is prevented by the action, there is an advantage that the door latch can be prevented from being unlocked against the intention of a regular occupant.

  By the way, as a case where the door latch is unlocked against the intention of a regular occupant, in addition to the case of a vehicle collision as described above, for example, the door handle has a handle knob and the entire handle knob is moved upward. In addition, there is a case where an inward pressing operation is performed.

  In this case, since the door outer panel is deformed and the door inner end side of the door key cylinder provided in the door handle is illegally pushed downward, the key rod is moved down at this time, and the door latch is unlocked illegally.

The conventional structure disclosed in Patent Document 1 can effectively work against such unauthorized push-down, and the above structure prevents the door latch from being unlocked illegally and the vehicle being stolen. You can also
Japanese Patent Laid-Open No. 11-293969

  However, in this conventional structure, there is a problem in that a key rod, a door latch, and the like are disposed below the door handle, so that a space for arranging the reinforcing plate cannot be secured in practice.

  An object of the present invention is to provide an automobile door structure capable of preventing the deformation of the door outer panel due to an illegal operation of the door handle by effectively utilizing the dead space above the door handle while achieving a compact configuration. And

An automobile door structure according to the present invention includes a door handle that is attached to a door outer panel and includes a door key cylinder, a door latch that locks or unlocks the door, and a key rod that transmits rotation of the door key cylinder to the door latch. A door structure of an automobile, comprising a door panel having a rigidity higher than that of the door outer panel on the vehicle interior side from the door outer panel, and close to the back surface of the door outer panel from the door panel in the door above the door handle. And a sash guide having an extending portion extending downward from the belt line portion. The sash guide is attached to the door panel and from the attachment portion to the door panel. Extending side of the sash guide It is intended to be connected.
According to this configuration, since the projecting member is erected so as to be close to the back surface of the door outer panel from the door panel having higher rigidity than the door outer panel, the projecting member holds the door handle and improperly moves the door handle upward and inward. The door outer panel that is about to be pushed inward by the projecting member even when pressed against the door handle can prevent deformation of the door outer panel and unauthorized unlocking of the door latch due to unauthorized operation of the door handle. Can be arranged by effectively utilizing the dead space inside the door above the door handle.
In addition, the protruding member is attached to the door panel, and extends to the sash guide side and is connected to the extending portion of the sash guide, so that the protruding member can be stably supported without being fixed on both the upper and lower sides. Can do. For this reason, it becomes unnecessary to provide fixing parts at both upper and lower ends, and the projecting member can be made compact in the vertical direction.
Further, since the projecting member is connected to the extension portion of the sash guide together with the door panel, the lower portion of the sash guide can be attached to the door panel via the projecting member, thereby reinforcing the sash guide.

In one embodiment of the present invention, a door panel having higher rigidity than the door outer panel is configured by an inner panel, and the protruding member includes a first leg and a second leg. The first leg portion extends inwardly from the lower portion of the projecting surface of the projecting member and is attached to the inner panel, and is connected to the extension portion of the sash guide, and the second leg portion projects from the projecting member. At the same height as the surface, it extends inward from the protruding surface side and is attached to the sash guide.
According to this configuration, the space above the projecting member is secured, and the so-called both-end supported state in which both ends of the projecting surface are supported by the cooperation of the first leg portion and the second leg portion. Accordingly, the supporting rigidity of the protruding member can be ensured.

In one embodiment of the present invention, the inner panel includes a belt line reinforcement extending forward and backward through the belt line portion, and the rear end of the belt line reinforcement is adjacent to and above the protruding member. It is attached to the part of.
According to this configuration, it is possible to attach the belt line reinforcement to the upper space secured by the compact arrangement of the protruding members.

In one embodiment of the present invention, the belt line reinforcement is disposed so as to be close to the back surface of the door outer panel, and recedes toward the inner panel in the vicinity of a mounting portion to the inner panel. It is.
According to this configuration, when the door outer panel is deformed by the unauthorized operation, it can be received even by the beltline reinforcement. For this reason, the belt line reinforcement can be used in an auxiliary manner to disperse the load acting on the upper portion of the protruding member during the unauthorized operation.

In one embodiment of the present invention, the extension portion of the sash guide is disposed on the interior side of the vehicle interior with respect to the beltline reinforcement portion adjacent to the back surface of the door outer panel.
According to this configuration, while it is possible to receive the door outer panel with the belt line reinforcement, the space formed on the vehicle interior side by using the belt line reinforcement disposed on the door outer panel side is utilized. And the extension part of a sash guide can be arrange | positioned.

In one embodiment of the present invention, the protruding member is provided with a sash reinforcement that reinforces the inside of the cross section of the door sash and that extends downward from the belt line portion and forms a closed cross section with the inner panel. Is attached over the closed cross section from the overlapping portion of the sash reinforcement and the inner panel.
According to this configuration, the supporting rigidity can be improved by attaching the protruding member across the closed section from the superposed portion having higher rigidity than other parts.

According to the present invention, a door panel having a rigidity higher than that of the door outer panel is provided on the vehicle interior side of the door outer panel, and the protrusion is erected in the door above the door outer panel so as to be close to the back surface of the door outer panel. Since the member is provided, the dead space inside the door above the door handle is effectively used, and the door outer panel is deformed by the door handle improper operation, and the door latch is illegally unlocked via the door key cylinder and key rod in accordance with this deformation. It can be prevented from being locked.
In addition, the protruding member is attached to the door panel, and extends to the sash guide side and is connected to the extending portion of the sash guide, so that the protruding member can be stably supported without being fixed on both the upper and lower sides. Can do. For this reason, it becomes unnecessary to provide fixing parts at both upper and lower ends, and the projecting member can be made compact in the vertical direction.
Further, since the projecting member is connected to the extension portion of the sash guide together with the door panel, the lower portion of the sash guide can be attached to the door panel via the projecting member, thereby reinforcing the sash guide.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
In the following embodiments, for convenience of explanation, the front door on the right side of the vehicle will be exemplified to describe the door structure of the automobile in detail.
FIG. 1 is an external side view showing a door structure of an automobile. The door 1 includes a door main body 2 and a door sash portion 3.

  As shown in FIGS. 1 to 4, the door sash portion 3 includes a sash inner panel portion 4 a of the door inner panel 4, a sash outer panel 5, and a sash guide 6 having a U-shaped cross section for guiding the raising and lowering of the door glass. In order to reinforce the inside of the cross section of the door sash portion 3, a sash rain that extends downward from the belt line portion and forms a closed cross section 7 (see FIG. 3) with the door inner panel 4 (sash inner panel portion 4a). The sash guide 6 is extended further downward from the belt line portion to form an extension portion 6a (see FIGS. 1, 2, and 8).

  As shown in FIG. 4 (however, FIG. 4 is a cross-sectional view taken along line BB in FIG. 2) and FIG. 6, the door main body 2 has a door outer panel 9 as a door panel, and is more rigid than the door outer panel 9. It is constituted by joining a door inner panel 4 on the high vehicle interior side. In this embodiment, the sash inner panel portion 4a is integrally formed in the door inner panel 4. However, the present invention is not necessarily limited to this, and the door inner panel 4 and the sash inner panel are combined. You may comprise with another member.

  In this embodiment, the door inner panel 4 and the door outer panel 9 are joined as described above, whereby a space is formed inside the door (specifically, inside the door main body 2). As shown in FIGS. 1 and 2, a belt line reinforcement 10 extending in the front-rear direction of the vehicle, and upper and lower impact bars 11 and 12 are provided in the section.

  The beltline reinforcement 10 described above is a rigid member extending in the front-rear direction along the beltline portion as shown in FIG. 1, and at the rear end thereof as shown in FIGS. 4 and 8. A retreating part 10a and a mounting part 10b are formed to retreat to the vehicle interior side. The rear end of the belt line reinforcement 10 is indirectly attached to the door inner panel 4 by attaching the attachment portion 10 b to the sash reinforcement 8.

  Of the upper and lower impact bars 11, 12, the upper impact bar 11 mainly secures the tension rigidity of the door outer panel 9, and the lower impact bar 12 has the door main body 2 mounted on the vehicle when a vehicle side collision occurs. This is to prevent entry into the room.

Further, the front portion of the door 1 is supported by a hinge pillar (not shown) as a vehicle body so as to be openable and closable via a pair of upper and lower hinge brackets 13 and 14 (only the hinge bracket on the door side is shown).
As shown in FIGS. 1, 5, and 6, a door outer handle 15 (specifically, a door outer handle knob) is provided on the vehicle outer side of the door outer panel 9, and a door outer panel corresponding to the door outer handle 15 is provided. 9 is integrally formed with a concave portion 9a (a concave portion 9a that is recessed toward the inside of the vehicle) necessary for the operation of the passenger's steering wheel.

  As shown in FIGS. 1, 5 and 6, the automobile door structure of this embodiment is laid out on the outer side of the door outer panel 9 and includes a door key cylinder 17 (hereinafter simply referred to as a key cylinder). The door outer handle 15 is provided inside the door 1 and pivotally supports the door outer handle 15 so as to be swingable. The resin handle base 16 attached to the door outer panel 9 and the door 1 are locked or A door latch 18 that is unlocked, and a key rod 19 that connects the above-described key cylinder 17 and the door latch 18 in the vertical direction and transmits the rotation of the key cylinder 17 to the door latch 18 are provided. The door latch 18 includes a latch groove 18a for engaging a striker (not shown) provided on the body side (center pillar side) (see FIGS. 7 and 9).

  FIG. 5 is an enlarged plan view of the front portion of the door outer handle 15 and the handle base 16, and FIG. 6 is an enlarged plan view of the rear portion of the door outer handle 15 and the handle base 16, as shown in FIGS. Further, the door outer panel 9 includes an opening 20 for inserting an arm portion 15a (see FIG. 5) integrally formed on the inside of the front portion of the door outer handle 15 into the door 1, and a rear inner portion of the door outer handle 15. Is formed with an opening 21 for inserting the protrusion 15b (see FIG. 6) formed integrally with the door 1 into the door 1. Similarly, the opening 22 corresponding to each of the openings 20 and 21 is formed on the handle base 16 as well. , 23 are formed.

  Here, as shown in FIG. 7, the opening 20 formed in the recess 9a of the door outer panel 9 is positioned on the front side thereof, and an insertion hole 20a for inserting the arm portion 15a of the door outer handle 15, The arm insertion hole 20a has a handle base mounting hole 20b that is continuous with the rear portion of the arm insertion hole 20a and is smaller than the arm insertion hole 20a.

  Further, as shown in FIG. 5, a concave shaft insertion groove 15c (a so-called concave portion) is formed at the front end portion of the arm portion 15a of the door outer handle 15, and the handle base 16 corresponds to the shaft insertion groove 15c. Is integrally formed with a convex shaft support portion 16a (so-called convex portion), and the door outer handle 15 is supported by the shaft support portion 16a via a shaft insertion groove 15c so as to be swingable.

  When the door outer handle 15 is pulled, the leg portion 24a (see FIG. 6) of the rotation link 24 on the handle side shown in FIG. 13 is operated to the outside of the vehicle, and the rotation link 24 rotates in the unlocking direction. The outer handle rod 25 attached to the rotary link 24 moves downward to bring the door latch 18 (see FIG. 8) into an unlocked state.

  FIG. 7 is a perspective view showing the door structure of the automobile as viewed from the rear and outside of the vehicle with the door outer handle 15 removed, and FIG. 8 shows the door sash portion 3, the door inner panel 4, and the belt line reinforcement 10. FIG. 9 is a perspective view showing the door structure of the automobile with the door outer panel 9 omitted, and FIG. 10 is the door inner panel 4, the door outer panel 9, and the door outer handle 15 omitted. It is a perspective view which shows the door structure of a motor vehicle in the state made.

  As shown in FIGS. 6 and 7, the key cylinder 17 includes a cylinder portion 26 (rotating portion of the key cylinder 17) that is rotated by a key (not shown), and a non-rotating key cylinder body 27. The base end portion of the rotary link 28 is fitted to the inner portion of the cylinder portion 26 in the vehicle width direction, and the above-described key rod 19 is connected to the free end portion of the rotary link 28. That is, the key rod 19 has an upper end connected to the rotary link 28 and a lower end connected to the door latch 18.

  As shown in FIG. 5, the handle base 16 is fixed with the door outer panel 9 being sandwiched between the two parts 16 and 30 by using attachment members such as a screw 29 and a nut member 30 at the front part thereof.

  When attaching the handle base 16, when the head of the nut member 30 is first inserted into the arm insertion hole 20a from the inside of the door outer panel 9, then the handle base 16 is moved to the rear side (the handle base mounting hole 20b side). Since the nut member 30 moves from the arm insertion hole 20a to the handle base mounting hole 20b continuously formed in the rear part thereof, the assemblability of the handle base 16 itself can be improved. After the nut member 30 moves to the handle base mounting hole 20b, the screw 29 is further tightened to complete the mounting of the front portion of the handle base 16.

As shown in FIG. 6, the handle base 16 is fixed at the rear portion 16 b by sandwiching the door outer panel 9 between the two members 16, 27 using an attachment member such as a screw 31 that is fastened to the key cylinder body 27. (See FIG. 11).
That is, the above-described handle base 16 is fixed to the inside of the door outer panel 9 using the screws 29 and 31.

  The main piece 16c extending in the front-rear direction of the handle base 16 is provided with a protector 32 as a cover member that covers the inside of the key rod 19 and the outer handle rod 25, as shown in FIGS. It is attached using attachment members such as bolts 33 and nuts 34.

  The protector 32 is composed of a metal rigid member, and the protector 32 covers the vehicle interior side (inside the door) of the key rod 19 and the outer handle rod 25 as shown in FIGS. And a side wall portion 32a extending in the vertical direction, and a front wall portion 32b that is integrally bent outward and forward in the vehicle width direction from the front end of the side wall portion 32a and covers the front of the outer handle rod 25; A mounting portion 32c that is integrally bent toward the front from the handle base corresponding portion of the front wall portion 32b, and a protrusion that is integrally bent toward the vehicle outer side (door outer side) from the upper end of the side wall portion 32a. Part 32d.

  Here, as shown in FIG. 6, the above-described protector 32 has a mounting portion 32 c fixed to the handle base 16 using a bolt 33 and a nut 34.

  This protector 32 can prevent unauthorized access to move the key rod 19 in the unlocking direction illegally from above the key cylinder 17 using a wire or the like.

  11 is a cross-sectional view taken along the line CC in FIG. 1, FIG. 12 is a cross-sectional view taken along the line DD in FIG. 11, and FIG. 13 is an enlarged plan view of the main part.

  As shown in FIGS. 8, 10, 11, and 13, the door 1 above the door outer handle 15, specifically the key cylinder 17, is more rigid than the door outer panel 9 via a sash reinforcement 8. A protruding member 37 erected so as to be close to the back surface of the door outer panel 9 is provided from the door inner panel 4 as a high door panel.

The above-described protruding member 37 is formed of a metal rigid member.
Further, as shown in the perspective views of FIGS. 14 and 15, the projecting member 37 is a flat and integrally formed between the first leg portion 37a and the second leg portion 37b and both the leg portions 37a and 37b. The protruding end portion 37c is integrally formed by metal plate pressing.

  As shown in FIGS. 14 and 15, the first leg portion 37a has a horizontal surface portion 37a1 extending horizontally so as to enter the vehicle interior side from the lower portion of the protruding end portion 37c, and a mounting seat extending downward from the inner end portion of the horizontal surface portion 37a1. 37a2 and an extension portion 37a3 that extends toward the extension portion 6a of the sash guide 6 by being integrally bent from the front portion of the mounting seat 37a2 toward the vehicle interior side.

  Further, the second leg portion 37b is integrally bent from the front portion of the protruding end portion 37c toward the vehicle interior side, so that the second leg portion 37b enters the vehicle interior side at the same height position as the protruding end portion 37c. 6 extends to the extending portion 6a side.

  In the first leg portion 37a, as shown in FIGS. 11 and 12, a mounting seat 37a2 is fixed to the sash reinforcement 8 by fixing means such as welding, and the door inner panel is provided via the sash reinforcement 8. 4 is attached. Therefore, in this embodiment, the sash reinforcement 8 is also used as a mounting portion for the protruding member 37.

  Further, in the first leg portion 37a, as shown in FIGS. 12 and 15, the extension portion 37a3 extends substantially parallel to the outer surface 6b of the bottom portion of the extension portion 6a of the sash guide 6, and is welded to the outer surface 6b. It is fixed by the fixing means.

  Here, particularly in the first leg portion 37a, as shown in FIG. 12, the door inner panel 4 and the sash rain are formed from the overlapping portion X where the door inner panel 4 and the sash rain force 8 are joined by welding or the like. It is attached over a closed section 7 formed by the force 8, thereby improving the support rigidity of the projecting member 37.

  Further, as shown in FIGS. 14 and 15, the second leg portion 37b extends substantially parallel to the outer surface 6b of the bottom portion of the extension portion 6a of the sash guide 6 like the extension portion 37a3 of the first leg portion 37a. It is fixed to the outer surface 6b by fixing means such as welding.

  That is, as shown in FIGS. 11, 12, 14, and 15, the protruding member 37 is fixed at the lower end to the door inner panel 4 and the extending portion 6 a of the sash guide 6 and at the front end of the sash guide 6. It is fixed to the extension part 6a, and is configured such that the space between the lower end and the front end protrudes to the outside of the vehicle.

  Further, as shown in FIGS. 14 and 15, reinforcing beads 38 and 38 are integrally formed in the horizontal plane portion 37a1 and the second leg portion 37b along the extending direction thereof. Thus, the rigidity of the protruding member 37 itself is improved.

  Further, as shown in FIG. 11, the protruding end portion 37 c of the protruding member 37 is close to the back surface of the door outer panel 9, and the protruding end portion 37 c has a back surface of the door outer panel 9 (specifically, the door outer panel above the key cylinder 17). 9 is attached to an elastic member 39 such as a urethane member that comes into contact with the rear surface.

  The elastic member 39 prevents deformation of the door outer panel 9 during normal operation, and can suppress displacement between the protruding member 37 and the door outer panel 9 during unauthorized operation.

  By the way, the belt line reinforcement 10 is attached to the portion of the door inner panel 4 (sash reinforcement 8) adjacent to the upper portion of the projecting member 37 as shown in FIGS. The part 10 b is attached to the door inner panel 4 via the sash reinforcement 8.

  As shown in FIG. 11, the belt line reinforcement 10 is disposed so as to be close to the back surface of the door outer panel 9, and at the rear end thereof, as shown in FIGS. 4, 8, 10, and 13. In addition, it is formed so as to retreat to the door inner panel 4 side by the retreating part 10a in the vicinity of the attachment part to the door inner panel 4.

  An extension portion 6a of the sash guide 6 is disposed on the side of the passenger compartment with respect to the portion of the belt line reinforcement 10 close to the back surface of the door outer panel 9.

  In the figure, 50 is a key cylinder outer case covering the outside of the key cylinder 17, 51 is an inner handle cable, 52 is an inner lock cable, and 4b is an opening for assembling the door module formed on the door inner panel. is there. In the figure, arrow F indicates the front of the vehicle, arrow R indicates the rear of the vehicle, arrow IN indicates the inside of the vehicle, and arrow OUT indicates the outside of the vehicle.

  In the door structure of the automobile thus configured, when the door outer handle 15 is held and the door outer handle 15 is illegally pressed upward and inward, the door outer panel 9 tends to be pushed inward. Since the door outer panel 9 to be pushed inward is received by the protruding member 37 of the rigid member to prevent the door outer panel 9 from being deformed, the door latch 18 is prevented from being unlocked by an illegal act. be able to.

As described above, the door structure of the automobile according to the above embodiment includes the door outer handle 15 that is attached to the door outer panel 9 and includes the key cylinder 17, the door latch 18 that locks or unlocks the door 1, and the rotation of the key cylinder 17. A door structure of an automobile including a key rod 19 for transmitting the door latch 18 to the door latch 18, including a door panel (door inner panel 4) having a rigidity higher than the door outer panel 9 on the vehicle interior side of the door outer panel 9, and a door outer handle 15. In the upper door, a sash guide having a projecting member 37 standing from the door panel (door inner panel 4) so as to be close to the back surface of the door outer panel 9 and extending downward from the belt line portion. 6 and the protruding member 37 is provided on the door panel (door inner panel 4). It is attached to the door panel (door inner panel 4) from the attachment portion to the sash guide 6 side and connected to the extension portion 6a of the sash guide 6 (FIGS. 10, 11, 14, and FIG. 15).
According to this configuration, since the protruding member 37 is erected so as to be close to the back surface of the door outer panel 9 from the door panel (door inner panel 4) having higher rigidity than the door outer panel 9, the door outer handle 15 is held, Even if the door outer handle 15 is improperly pressed upward and inward, the door outer panel 9 which is about to be pushed inward by the protruding member 37 is received, and the door outer panel 9 is deformed by an improper operation of the door outer handle 15. In addition, the door latch 18 can be prevented from being illegally unlocked, and the protruding member 37 can be disposed by effectively utilizing the dead space inside the door 1 above the door outer handle 15.
Further, the protruding member 37 is attached to the door panel (door inner panel 4), and extends to the sash guide 6 side and is connected to the extending portion 6a of the sash guide 6, thereby fixing the protruding member 37 on both the upper and lower sides. This can be supported stably even without it. For this reason, it becomes unnecessary to provide fixing parts (mounting seats) at both upper and lower ends, and the protruding member 37 can be made compact in the vertical direction.
In addition, since the extending portion 6a is provided to connect the projecting member 37, it becomes necessary to fix the extending portion 6a. However, the projecting member 37 and the door panel (door inner panel 4) are connected to the sash guide 6. Since it connects to the extension part 6a, it can be set as the structure which attaches the lower part of the sash guide 6 to a door panel (door inner panel 4) via the protrusion member 37, and, thereby, the sash guide 6 can be reinforced.

The door panel having higher rigidity than the door outer panel 9 is constituted by an inner panel (door inner panel 4), and the projecting member 37 includes a first leg portion 37a and a second leg portion 37b. The leg portion 37a extends inwardly from the lower portion of the projecting end portion 37c of the projecting member 37, is attached to the inner panel (door inner panel 4), and is connected to the extending portion 6a of the sash guide 6, and the second leg portion 37b is attached to the sash guide 6 extending inward from the side of the protruding end 37c at the same height as the protruding end 37c (see FIGS. 10, 14, and 15).
According to this configuration, a so-called both-end supported state in which both ends of the projecting end portion 37c are supported by the cooperation of the first leg portion 37a and the second leg portion 37b while securing a space above the projecting member 37. Accordingly, the supporting rigidity of the protruding member 37 can be ensured.

The belt line reinforcement 10 extends forward and backward through the belt line portion, and the rear end of the belt line reinforcement 10 is adjacent to the inner panel (door inner panel 4) above the protruding member 37. ) (See FIGS. 10, 11, and 13).
According to this configuration, it is possible to attach the belt line reinforcement 10 to the upper space secured by the protruding member 37 being disposed in a compact manner.

Further, the belt line reinforcement 10 is disposed so as to be close to the back surface of the door outer panel 9 and retreats to the inner panel (door inner panel 4) side in the vicinity of the attachment portion to the inner panel (door inner panel 4). (See FIGS. 10, 11, and 13).
According to this configuration, when the door outer panel 9 is deformed by the unauthorized operation, it can be received by the beltline reinforcement 10. For this reason, the beltline reinforcement 10 can be used in an auxiliary manner to disperse the load acting on the upper portion of the protruding member 37 during the unauthorized operation.

Further, the extension portion 6a of the sash guide 6 is disposed on the interior side of the belt line reinforcement 10 adjacent to the back surface of the door outer panel 9 (FIGS. 4, 8, and 10). FIG. 13).
According to this configuration, while it is possible to receive the door outer panel 9 with the belt line reinforcement 10, the belt line reinforcement 10 is formed on the door outer panel 9 side so as to be formed on the vehicle interior side. The extended portion 6a of the sash guide 6 can be disposed using the remaining space.

The sash reinforcement 8 includes a sash reinforcement 8 that reinforces the cross section of the door sash 6 and extends downward from the belt line portion to form a closed cross section 7 with the inner panel (door inner panel 4). 37 is attached over the closed section 7 from the overlapping portion X of the sash reinforcement 10 and the inner panel (door inner panel 4) (see FIG. 12).
According to this structure, the support rigidity can be improved by attaching the protrusion member 37 from the superposition | polymerization part X with high rigidity compared with another site | part over the closed cross section 7. FIG.

  In the embodiment shown in FIGS. 14 and 15, the projecting member 37 includes first and second leg portions 37a and 37b, and the projecting end portion 37c is supported at both ends. Is not necessarily limited to this. If the protruding member 37 itself has high rigidity, a leg portion is provided only at the lower end of the protruding end portion 37 c and cantilevered by the extending portion 6 a and the sash reinforcement 8. May be.

  In the above-described embodiment, the sash inner panel portion 4a is integrally formed in the door inner panel 4, and the belt line reinforcement 10 and the protruding member 37 are attached to the door inner panel 4. However, the door inner panel 4 When the sash inner panel and the sash inner panel are configured as separate members, the belt line reinforcement 10 and the protruding member 37 may be attached to the sash inner panel.

In correspondence between the configuration of the present invention and the above-described embodiment,
The door handle of the present invention corresponds to the door outer handle 15,
Similarly,
The door panel corresponds to the door inner panel 4,
The present invention is not limited only to the configuration of the above-described embodiment, and many embodiments can be obtained.

External side view showing the door structure of the automobile of the present invention Partially enlarged side view showing the structure of the door sash sash reinforcement 2 is a cross-sectional view taken along line AA in FIG. 2 is a cross-sectional view taken along line BB in FIG. Enlarged plan view showing the front part of the door outer handle and handle base An enlarged plan view showing the rear part of the door outer handle and the handle base A perspective view of the door structure with the door outer handle removed Perspective view showing the related structure of door sash, beltline reinforcement, door latch and door inner panel The main part perspective view of FIG. 6 which removes and shows a protrusion member and a handle base The principal part perspective view of FIG. 6 shown in the state which attached the protrusion member CC sectional view taken along the line CC in FIG. FIG. 11 is a cross-sectional view of the main part along the line DD in FIG. The principal part top view of the door structure of a motor vehicle shown in a state where the door outer panel is omitted The perspective view which shows the protrusion member in the state which looked at the vehicle back and outward The perspective view which shows the protrusion member in the state seen from the vehicle front and outward

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Door 3 ... Door sash part 4 ... Door inner panel 5 ... Sash outer panel 6 ... Sash guide 6a ... Extension part 7 ... Closed cross section 8 ... Sash rain reinforcement 9 ... Door outer panel 10 ... Belt line reinforcement 15 ... Door Outer handle 17 ... Key cylinder (door key cylinder)
18 ... Door latch 19 ... Key rod 26 ... Cylinder part (rotating part)
28 ... Rotating link 37 ... Protruding member 37a ... First leg 37a3 ... Extension 37b ... Second leg 37c ... Projecting end

Claims (6)

A door handle attached to the door outer panel and provided with a door key cylinder;
A door latch that locks or unlocks the door;
A door structure of an automobile comprising a key rod for transmitting rotation of the door key cylinder to the door latch,
A door panel having a rigidity higher than that of the door outer panel is provided on the vehicle interior side of the door outer panel.
In the door above the door handle, provided with a protruding member erected so as to be close to the back surface of the door outer panel from the door panel,
A sash guide having an extending portion extending downward from the belt line portion;
The projecting member is attached to the door panel, and extends from the attachment portion to the door panel toward the sash guide and is connected to the extension portion of the sash guide. A door panel having higher rigidity than the above door outer panel is constituted by an inner panel,
The projecting member includes a first leg and a second leg,
The first leg portion extends inward from the lower portion of the projecting surface of the projecting member and is attached to the inner panel, and is connected to the extending portion of the sash guide,
2. The automobile door structure according to claim 1, wherein the second leg portion is attached to the sash guide by extending inward from the side of the protruding surface at the same height as the protruding surface. A belt line reinforcement that extends forward and backward through the belt line part,
The automobile door structure according to claim 2, wherein a rear end of the beltline reinforcement is attached to a portion of the inner panel adjacent to the rear end of the beltline reinforcement. The automobile door structure according to claim 3, wherein the beltline reinforcement is disposed so as to be close to a back surface of the door outer panel, and is retracted toward the inner panel in the vicinity of an attachment portion to the inner panel. The automobile door structure according to claim 4, wherein an extension portion of the sash guide is disposed on the interior side of the interior of the beltline reinforcement portion adjacent to the back surface of the door outer panel. Reinforcing the inside of the cross section of the door sash, and includes a sash reinforcement that extends downward from the belt line portion and forms a closed cross section with the inner panel,
The door structure of the automobile according to any one of claims 1 to 5, wherein the protruding member is attached over the closed cross section from the overlapping portion of the sash reinforcement and the inner panel.

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