JP4946551B2 - Car door structure - Google Patents

Description

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

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 the above-mentioned inside the door outer panel A bracket (see clip) covering the entire door key cylinder is provided, and the lower part of the bracket is adjacent to the upper piece of the impact bar extending in the front-rear direction in the door portion.

  According to this conventional structure, when a tool such as a screwdriver is inserted into the head of the door key cylinder located on the vehicle outer side of the door outer panel and the door key cylinder is moved up and down illegally through the tool, or If the entire door outer handle having the door key cylinder is moved up and down illegally, the key rod will move up and down through the above-mentioned arm and the door latch will be unlocked. In this case, since the bracket that covers the door key cylinder comes into contact with the impact bar, there is an advantage that it is possible to prevent the door latch from being illegally unlocked and the vehicle being stolen.

  However, in this conventional structure, it is necessary to lay out the door key cylinder so that the position of the door key cylinder is directly above the above-mentioned impact bar, and there is a problem that the degree of freedom of layout of the door key cylinder is hindered.

On the other hand, in the conventional automobile door structure that does not include the bracket disclosed in Patent Document 1, when the handle knob of the door outer handle is held and the entire handle knob is pressed upward and inwardly, Since the door outer panel is deformed, the door inner end side of the door key cylinder provided in the door outer handle is illegally pushed down, the key rod is moved downward, and the door latch is illegally unlocked. It is required to prevent the door outer panel from being deformed or the door latch from being illegally unlocked by an unauthorized operation.
JP-A-6-257335

  Accordingly, the present invention includes a door member having a rigidity higher than that of the door outer panel on the inner side of the door outer panel, and is erected in the door above the door outer handle so as to be close to the back surface of the door outer panel from the door member. By providing a projecting member, the dead space in the door above the door outer handle can be effectively used to deform the door outer panel due to an illegal operation of the door outer handle, and the door key cylinder, rotating link, and key rod can be moved along with this deformation. It is an object of the present invention to provide a door structure for an automobile that can prevent the door latch from being unlocked illegally and can secure the degree of freedom of the layout of the door key cylinder.

An automobile door structure according to the present invention includes a door outer handle attached to a door outer panel and having a door key cylinder, a door latch that locks or unlocks the door, a rotary link provided in a rotating portion of the door key cylinder, A key rod that has one end connected to the rotating link and the other end connected to the door latch and transmits the rotation of the door key cylinder to the door latch via the rotating link; A door member having a rigidity higher than that of the door outer panel is provided on the inner side of the door outer panel, and a protruding member is installed in the door above the door outer handle so as to be close to the back surface of the door outer panel from the door member. It is provided.
A door sash may be used as the door member having higher rigidity than the above-described door outer panel.
According to the above configuration, since the projecting member is erected so as to be close to the back surface of the door outer panel from the door member, the door outer handle is held and the door outer handle is illegally pressed upward and inward. In addition, the door outer panel that is about to be pushed inward by the projecting member can be received to prevent deformation of the door outer panel and unauthorized unlocking of the door latch due to unauthorized operation of the door outer handle. The dead space inside the door above the outer handle can be used effectively, and the arrangement position of the projecting member is not affected by the position of the impact bar, so that the degree of freedom of the layout of the door key cylinder can be ensured. it can.

In one embodiment of the present invention, the door sash is provided with a door sash extension that extends downward from the belt line, and a door member having rigidity higher than that of the door outer panel is formed by the door sash extension. .
According to the said structure, since a door sash extension part can be utilized as an attaching part of the above-mentioned protrusion member, this protrusion member can be arrange | positioned compactly.

In one embodiment of the present invention, the door sash includes a sash outer panel and a sash inner panel, the sash inner panel extends downward from the belt line to form the door sash extension portion, and the door sash A closed section is formed between the extension portion and the door inner panel.
According to the above configuration, since the door sash extension is formed by the sash inner panel, complication of the door sash extension is avoided, and the door sash extension is closed between the door sash extension and the door inner panel. Since the cross section is formed, the support rigidity of the protruding member can be improved by the closed cross section.

In one embodiment of the present invention, the projecting member is a hat-shaped member whose upper and lower ends are fixed to the door sash and whose door inner side is opened in a front view of the vehicle so that the upper and lower ends project to the outside of the vehicle. It is configured.
According to the above configuration, since the upper and lower ends of the projecting member are fixed and supported by the door sash, the projecting member can be attached without increasing the width of the door sash (width in the front-rear direction). Since the shape member is used, the rigidity of the protruding member can be improved.

In one embodiment of the present invention, a reinforcing bead extending in the protruding direction is formed on the protruding portion of the protruding member protruding to the vehicle exterior side.
According to the said structure, the rigidity improvement of the vehicle width direction of the protrusion part in a protrusion member can be aimed at by a reinforcement bead.

In one embodiment of the present invention, an elastic member is provided that is attached to the protruding end of the protruding member and contacts the back surface of the door outer panel.
According to the said structure, the displacement between a protrusion member and a door outer panel can be suppressed at the time of unauthorized operation, preventing the deformation | transformation of the door outer panel at the normal time by the above-mentioned elastic member.

In one embodiment of the present invention, a cover member for covering the key rod from the inside of the door with respect to the door outer panel is provided, and the cover member and the protruding member are adjacent to each other in the front-rear direction.
According to the above configuration, since the cover member and the projecting member are adjacent to each other, the cover member and the projecting member cooperate to illegally move the key rod in the unlocking direction using a wire or the like from above the door key cylinder. Access can be prevented.

In one embodiment of the present invention, the upper projecting portion projecting to the vehicle outer side of the projecting member is integrally formed with an extension extending from the projecting portion to the rear end portion of the door inner panel.
According to the above configuration, the extension of the projecting member covers the gap between the projecting member and the rear end of the door inner panel, so that unauthorized access by a wire or the like from above the door key cylinder is further ensured. Can be prevented.

  According to this invention, the door member having a rigidity higher than that of the door outer panel is provided on the inner side of the door outer panel, and the door member is erected in the door above the door outer handle so as to be close to the back surface of the door outer panel from the air door member. Since the projecting member is provided, the dead space in the door above the door outer handle is effectively used, the door outer panel is deformed by the door outer handle improper operation, and the door key cylinder, the rotation link, the key rod is accompanied by this deformation. Thus, it is possible to prevent the door latch from being unlocked illegally, and to secure the degree of freedom in the layout of the door key cylinder.

  Locking the door with the door outer handle attached to the door outer panel and locking the door for the purpose of preventing the door outer panel from being deformed due to illegal operation of the door outer handle by effectively using the dead space inside the door above the door outer handle A door latch to be in an unlocked state or an unlocked state, a rotating link provided in a rotating portion of the door key cylinder, one end connected to the rotating link and the other end connected to the door latch to rotate the door key cylinder. In a vehicle door structure comprising a key rod that transmits to the door latch via a link, a door member having a rigidity higher than that of the door outer panel is provided inside the door outer panel, and the door outer handle is disposed in the door above the door outer handle. The door member from the door member Is achieved in structure only provided the erected protruding member so as to approach the rear surface of the Le.

An embodiment 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 3 is composed of a sash inner panel 4, a sash outer panel 5, and a guide portion 6 having a U-shaped cross section in a plan view for guiding the raising and lowering of the door glass. The sash inner panel 4 extends downward from the belt line to form a sash inner extending portion 4E as a door sash extending portion, and the guide portion 6 extends further downward from the belt line to extend the extending portion 7. (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 joins a door outer panel 8 and a door inner panel 9 as a door panel. 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 inside the door (specifically, inside the door main body 2). Is provided.

  The beltline reinforcement 10 described above is a rigid member that extends in the front-rear direction along the beltline in the door 1 as shown in FIG. 1, and as shown in FIGS. 4 and 8, this beltline reinforcement 10. The reinforcement 10 is attached to the door inner panel 9 and the sash inner panel 4.

  Of the upper and lower impact bars 11, 12, the upper impact bar 11 mainly secures the tension rigidity of the door outer panel 8, 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 8 described above, and a door outer panel corresponding to the door outer handle 15 is provided. 8 is integrally formed with a recessed portion 8a (a recessed portion 8a 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 8 and includes the 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 8 and the door 1 are locked or A door latch 18 that is unlocked, and a key rod 19 that connects the key cylinder 17 and the door latch 18 in the vertical direction are provided. Further, 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 8 includes an opening 20 for inserting an arm portion 15 a (see FIG. 5) integrally formed on the inner side of the front portion of the door outer handle 15 into the door 1, and a rear inner side 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 8a of the door outer panel 8 is positioned on the front side thereof, and an insertion hole 20a through which the arm portion 15a of the door outer handle 15 is inserted, 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 (so-called concave portion) is formed at the front end portion of the arm portion 15a of the door outer handle 15, and a handle base 16 is formed corresponding 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. 10 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 seen from the rear and outside of the vehicle with the door outer handle 15 removed. FIG. 8 shows the door sash 3, the door inner panel 9, the belt line reinforcement 10, and FIG. 9 is a perspective view showing a related structure between the extension portion 7 of the guide portion 6 and a protector 32 described later. FIG. 10 is a door outer panel 8, the door inner panel 9, and a door outer handle. It is a perspective view which shows the door structure of a motor vehicle in the state where 15 was omitted.

  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 8 being sandwiched between the two parts 16 and 30 by using mounting 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 8, 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, it is possible to improve the assemblability of the handle base 16 itself. 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 8 between the both 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 8 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 formed integrally and bent forward from the handle base corresponding portion of the front wall portion 32b, and the extension portion 7 of the guide portion 6 from the rear end of the side wall portion 32a. A restriction portion 32d that is integrally bent toward the inner side (the inner side of the door), and a recess on the extension portion 7 side along the bent portion (so-called corner portion) between the side wall portion 32a and the restriction portion 32d. A complex formed And the reinforcing beads 35, 35, and a top wall 32e which is bent integrally formed from the upper end of the side wall portion 32a of the above on the vehicle outer side obliquely upward.

  The restricting portion 32d integrally formed with the protector 32 is a door member having a rigidity higher than that of the door outer panel 8 when an unauthorized external force is input to force the handle base 16 to move to the arm insertion hole 20a side, that is, the front side. The arm insertion hole 20a side of the mounting portion 16d of the handle base 16 (see the arrangement positions of the screw 29 and the nut member 30 shown in FIG. 5) is brought into contact with the extending portion 7 of the guide portion 6 of the door sash 3. As shown in FIG. 6, the front surface of the restricting portion 32 d faces the back surface (rear side surface) of the extending portion 7 of the guide portion 6.

  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.

  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 above-described sash as a door member having higher rigidity than the door outer panel 8 is provided in the door 1 above the door outer handle 15, specifically, the key cylinder 17. A projecting member 37 is provided so as to stand close to the back surface of the door outer panel 8 described above from the inner extension portion 4E.

The above-described protruding member 37 is formed of a metal rigid member.
Further, as shown in a perspective view in FIGS. 14 and 15, the projecting member 37 includes upper and lower mounting seats 37a and 37b, an upper projecting portion 37c projecting outward from the lower portion of the upper mounting seat 37a, A lower projecting portion 37d projecting outward from the upper portion of the lower mounting seat 37b, a flat projecting end portion 37e integrally formed continuously between the upper and lower projecting portions 37c, 37d, and an upper projecting portion An extended portion 37f extending from 37c to the rear end portion 9B of the door inner panel 9 as shown in FIG. 13 is integrally formed by metal plate pressing, and a hat-shaped member that opens the door inside in a vehicle front view It is constituted by.

  As shown in FIG. 11, the upper and lower mounting seats 37a, 37b are fixed to the sash inner extension 4E by fixing means such as welding. That is, as shown in FIG. 11, the projecting member 37 is fixed to the sash inner extending portion 4E of the door sash 3 at the upper and lower ends, and the door is viewed from the front of the vehicle so that the upper and lower ends protrude outward. It is comprised by the hat-shaped member which an inner side opens.

  Further, as shown in FIGS. 14 and 15, reinforcing beads 38 and 38 extending in the protruding direction are integrally formed on the upper and lower protruding portions 37c and 37d protruding to the vehicle outer side of the protruding member 37. The reinforcing beads 38, 38 are used to improve the rigidity of the protruding member 37 itself.

  Further, as shown in FIG. 11, the protruding end portion 37 e of the protruding member 37 is close to the back surface of the door outer panel 8, and the protruding end portion 37 e is connected to the back surface of the door outer panel 8 (specifically, the door outer panel above the key cylinder 17). 8 is attached to an elastic member 39 such as a urethane member that comes into contact with the back surface of the elastic member 39.

  By the way, the sash inner panel 4 in the door sash 3 is shown in FIG. 4 as a horizontal cross section corresponding to the belt line, and as shown in FIG. As the belt line extends downward, the portion extending in the vehicle width direction of the sash inner extension portion 4E is sequentially displaced forward, and the sash inner extension to which the protruding member 37 is fixed as shown in FIG. A closed cross section 40 is formed between the portion 4E and the door inner panel 9 as shown in FIG.

  11 and 12, the upper and lower mounting seats 37 a and 37 b of the projecting member 37 are fixed to the sash inner extension portion 4 E corresponding to the closed section 40, respectively. The support rigidity of the projecting member 37 is improved.

  Further, as shown in FIGS. 10 and 13, a protector 32 as a cover member covering the key rod 19 and the outer handle rod 25 from the inside of the door and the above-described protruding member 37 are adjacent to each other in the front-rear direction. 32 and 37 are used to prevent unauthorized access to move the key rod 19 in the unlocking direction illegally using a wire or the like from above the key cylinder 17. Further, as shown in FIG. An extension portion 37f extending to the rear end portion 9B of the door inner panel 9 is integrally formed to cover the gap between the protruding member 37 and the door inner panel 9, and to prevent unauthorized access even better. Yes.

  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 9a 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 configured as described above, when the door outer handle 15 is held and the door outer handle 15 is illegally pressed upward and inward, the door outer panel 8 tends to be pushed inward. Since the door outer panel 8 to be pushed inward is received by the protruding member 37 of the rigid member to prevent the door outer panel 8 from being deformed, the door latch 18 is prevented from being unlocked by an illegal act. be able to.

As described above, the automobile door structure of the above embodiment includes the door outer handle 15 attached to the door outer panel 8 and having the key cylinder 17, the door latch 18 that locks or unlocks the door 1, and the key cylinder 17. A rotary link 28 provided in the rotary part (refer to the cylinder part 26) and one end connected to the rotary link 28 and the other end connected to the door latch 18 to rotate the key cylinder 17 via the rotary link 28. And a door member (a sash inner extension of the door sash 3) having a rigidity higher than that of the door outer panel 8 inside the door outer panel 8. Corresponding to the key cylinder arrangement part above the door outer handle 15 In the door 1, a protruding member 37 is provided to stand from the door member (sash inner extending portion 4E) so as to be close to the back surface of the door outer panel 8 (FIGS. 6 and 10). FIG. 11).
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 8 from the door member (see the sash inner extending portion 4E), the door outer handle 15 is held, and the door Even if the outer handle 15 is improperly pressed upward and inward, the door outer panel 8 which is about to be pushed inward by the projecting member 37 is received, and the door outer panel 8 is deformed and deformed by an improper operation of the door outer handle 15. In addition to preventing unauthorized unlocking of the door latch 18, the protruding member 37 can be disposed by effectively utilizing the dead space inside the door 1 above the door outer handle 15. Since the position is not affected by the positions of the impact bars 11 and 12, the degree of freedom of layout of the key cylinder 17 is ensured. Door can be.

Further, the door sash 3 is provided with a door sash extension portion (see sash inner extension portion 4E) extending downward from the belt line, and a door member having rigidity higher than that of the door outer panel 8 is constituted by the door sash extension portion. (See FIGS. 8 and 11).
According to this structure, since the door sash extension part (sash inner extension part 4E) can be utilized as an attaching part of the above-mentioned protrusion member 37, this protrusion member 37 can be arrange | positioned compactly.

Further, the door sash 3 includes a sash outer panel 5 and a sash inner panel 4, and the sash inner panel 4 extends downward from the belt line so as to form the door sash extension portion (see the sash inner extension portion 4E). The closed section 40 is formed between the door sash extension portion (sash inner extension portion 4E) and the door inner panel 9 (see FIGS. 4 and 12).
According to this structure, since the door sash extension part (refer to the sash inner extension part 4E) is formed by the sash inner panel 4, complication of the door sash extension part is avoided, and the door sash extension Since the closed cross section 40 is formed between the door inner panel 9 and the door inner panel 9, the closed cross section 40 can improve the support rigidity of the protruding member 37 described above.

In addition, the upper and lower ends of the projecting member 37 are fixed to the door sash 3 (specifically, the sash inner extending portion 4E), and the inner side of the door 1 is viewed from the front of the vehicle so that the upper and lower ends project outward. Is formed of a hat-shaped member that opens (see FIG. 11).
According to this configuration, the upper and lower ends of the projecting member 37 are fixed and supported on the door sash 3 (see, in particular, the sash inner extension 4E), so that the width (width in the front-rear direction) of the door sash 3 is not increased. Since the projecting member 37 can be attached and the projecting member 37 is constituted by the hat-shaped member, the rigidity of the projecting member 37 can be improved.

Further, the projecting portions 37c and 37d projecting outward from the projecting member 37 are formed with reinforcing beads 38 extending in the projecting direction (see FIGS. 14 and 15).
According to this configuration, the reinforcement bead 38 can improve the rigidity of the projecting portions 37c and 37d of the projecting member 37 in the vehicle width direction (the direction in which the improper external force acts).

Furthermore, an elastic member 39 that is attached to the projecting end portion 37e of the projecting member 37 and contacts the back surface of the door outer panel 8 is provided (see FIG. 11).
According to this structure, the deformation | transformation between the protrusion member 37 and the door outer panel 8 can be suppressed at the time of unauthorized operation, preventing the deformation | transformation of the door outer panel 8 at the normal time by the above-mentioned elastic member 39.

Furthermore, a cover member (see protector 32) covering the key rod 19 from the inside of the door 1 with respect to the door outer panel 8 is provided, and the cover member (protector 32) and the protruding member 37 are adjacent to each other in the front-rear direction. (See FIGS. 10 and 13).
According to this configuration, the cover member (the protector 32) and the protruding member 37 are adjacent to each other. It is possible to prevent unauthorized access by moving the key rod 19 in the unlocking direction.

In addition, an extension 37f extending from the protruding portion 37c to the rear end portion 9B of the door inner panel 9 is integrally formed with the upper protruding portion 37c protruding to the vehicle outer side of the protruding member 37 (FIG. 13).
According to this configuration, the extension portion 37f of the projecting member 37 covers the gap between the projecting member 37 and the rear end portion 9B of the door inner panel 9, so that the wire or the like from above the key cylinder 17 is used. Unauthorized access can be prevented more reliably.

  FIG. 16 shows another embodiment of the projecting member 37. In this embodiment shown in FIG. 16, a pair of front and rear vertical wall portions 37g and 37g are provided, and end portions on the inner side of the pair of vertical wall portions 37g and 37g are provided. The mounting pieces 37m and 37n are integrally bent, and the upper and lower ends of the mounting pieces 37m and 37n are set to the mounting seats 37a and 37b, and between the pair of vertical wall portions 37g and 37g between the vehicle outer ends. The projecting end portion 37e is integrally formed continuously, and an extension portion 37f extending from the upper end to the rear end portion 9B of the door inner panel 9 is integrally bent at the upper end of the rear vertical wall portion 37g. Formed.

  Reinforcing beads 41 and 41 extending in the protruding direction are formed on the trapezoidal vertical wall portions 37g and 37g as viewed from the front of the vehicle protruding from the mounting pieces 37m and 37n to the vehicle exterior side. In the same manner as in the previous embodiment, an elastic member 39 such as a urethane member that is in contact with the back surface of the door outer panel 8 (the back surface of the door outer panel 8 corresponding to the upper part of the key cylinder arrangement portion) is attached.

  The protruding member 37 shown in FIG. 16 is also fixed to the sash inner extending portion 4E in the same manner as the protruding member 37 (see FIGS. 14 and 15) of the previous embodiment. In FIG. 16, the positions where the upper and lower mounting seats 37a and 37b are spot-welded to the sash inner extending portion 4E are indicated by x for convenience of illustration.

  With this configuration, when the door outer handle 15 is held and the door outer handle 15 is illegally pressed upward and inward, the door outer panel 8 tends to be pushed inward. Since the door outer panel 8 to be pushed in is received by the projecting end portion 37e and the pair of front and rear vertical wall portions 37g, 37g, it is possible to improve the proof strength against input of unauthorized external force.

  Even if the structure in which the protruding member 37 shown in FIG. 16 is fixed to the sash inner extension portion 4E is adopted, the same operation and effect as in the previous embodiment are obtained. The same reference numerals are assigned and detailed description thereof is omitted.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The door member having higher rigidity than the door outer panel of the present invention corresponds to the sash inner extending portion 4E of the door sash 3,
Similarly,
The door sash extension corresponds to the sash inner extension 4E,
The cover member corresponds to the protector 32,
The present invention is not limited to the configuration of the above-described embodiment.
For example, in the above embodiment, the front door on the right side of the vehicle is illustrated, but it is needless to say that the automobile door structure of the present invention can be applied to the front door and rear door on the left side of the vehicle.

External side view showing the door structure of the automobile of the present invention Partial enlarged side view showing the configuration of the sash inner extension of the door sash 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 and the handle base 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 The perspective view which shows the other Example of a protrusion member

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Door 3 ... Door sash 4 ... Sash inner panel 4E ... Sash inner extension part (door sash extension part)
5 ... Sash outer panel 8 ... Door outer panel 9 ... Door inner panel 9B ... Rear end 15 ... Door outer handle 17 ... Key cylinder (door key cylinder)
18 ... Door latch 19 ... Key rod 26 ... Cylinder part (rotating part)
28 ... Rotating link 32 ... Protector (cover member)
37 ... Projection member 37c, 37d ... Projection part 37e ... Projection end part 37f ... Extension part 38 ... Reinforcement bead 39 ... Elastic member 40 ... Closed section

Claims (8)

A door outer handle having a door key cylinder attached to the door outer panel;
A door latch that locks or unlocks the door;
A rotating link provided in the rotating portion of the door key cylinder;
A key rod that has one end connected to the rotating link and the other end connected to the door latch and transmits the rotation of the door key cylinder to the door latch via the rotating link;
A door member having higher rigidity than the door outer panel is provided inside the door from the door outer panel,
A door structure for an automobile, wherein a protruding member is provided in the door above the door outer handle so as to stand upright from the door member so as to be close to the back surface of the door outer panel. The door sash is provided with a door sash extension portion extending downward from the belt line, and a door member having rigidity higher than that of the door outer panel is constituted by the door sash extension portion. Door structure. The door sash includes a sash outer panel and a sash inner panel,
The sash inner panel extends downward from the belt line to form the door sash extension part,
3. The door structure for an automobile according to claim 2, wherein a closed cross section is formed between the door sash extension portion and the door inner panel. The projecting member is configured by a hat-shaped member whose upper and lower ends are fixed to the door sash and whose door inner side is opened in a front view of the vehicle so as to project between the upper and lower ends to the outside of the vehicle. The door structure of a motor vehicle according to claim 2 or 3. 5. The door structure for an automobile according to claim 4, wherein a reinforcing bead extending in the protruding direction is formed at a protruding portion of the protruding member protruding to the vehicle outer side. 6. The door structure for an automobile according to claim 4, further comprising an elastic member attached to a protruding end portion of the protruding member and abutting against a back surface of the door outer panel. A cover member for covering the key rod from the inside of the door to the door outer panel;
The automobile door structure according to any one of claims 1 to 6, wherein the cover member and the protruding member are adjacent to each other in the front-rear direction. The extension part extended from this protrusion part to the rear-end part of the said door inner panel is integrally formed in the upper protrusion part which protrudes to the vehicle outer side of the said protrusion member, The any one of Claims 5-7 characterized by the above-mentioned. The door structure of the automobile according to 1.

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