JP6612625B2 - Car door structure - Google Patents

Description

  The present invention relates to an automobile door structure in which a door glass is supported between a door outer panel and an inner panel via a sash so as to be movable up and down.

  When an automobile door is collided sideways and the outer panel is recessed inward in the vehicle width direction, the outer door handle supported by the outer panel tends to stay in its original position due to inertia, so the outer door handle is inertial with respect to the outer panel. There is a possibility that the door will be opened by relative movement outward in the vehicle width direction.

  In order to prevent this, a fixed glass surrounded by a window frame and a division bar is provided above the outer door handle, and a gap filling member is disposed between the lower end of the fixed glass and the upper end of the outer panel of the door. Increasing the rigidity of the outer panel near the handle makes it difficult for the outer panel near the outer door handle to be dented inward in the vehicle width direction at the time of a side collision, and prevents the outer door handle from moving relative to the outer side in the vehicle width direction to open the door. It is known from the following Patent Document 1 that prevents this.

JP 2013-327294 A

  However, since the above-mentioned conventional one is indispensable to provide a fixed glass above the outer door handle, it cannot be applied to a door that does not have a fixed glass, and the gap filling member is exposed to the outside of the vehicle body. There is a problem that the appearance is deteriorated.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to prevent the door door from being opened due to inertial movement of the outer door handle relative to the outside in the vehicle width direction at the time of a side collision.

  In order to achieve the above object, according to the invention described in claim 1, there is provided a door structure of an automobile in which a door glass is supported so as to be movable up and down via a sash between an outer panel and an inner panel of the door. An outer door handle is provided on the outer surface of the outer panel in the vehicle width direction, a latch unit for locking the door in the closed position is provided on the outer surface of the inner panel in the vehicle width direction, and the sash is provided on the inner side or the outer side in the vehicle width direction. The outer door handle required to open the door via the latch unit is provided with a projecting portion that protrudes, and the sash, the projecting portion, and the latch unit are arranged at positions overlapping each other when viewed in the vehicle width direction. A stroke in the vehicle width direction outside is A, and a vehicle width direction distance from the outer panel to the latch unit is B, and the sash And when the sum of the vehicle width direction length of the projecting portion and is C, the door structure of a motor vehicle, characterized in that A> B-C is established is proposed.

  According to the invention described in claim 2, in addition to the configuration of claim 1, the surfaces of the protrusion and the latch unit that face each other, or the surfaces of the protrusion and the outer panel that face each other, An automobile door structure characterized by a flat surface perpendicular to the vehicle width direction is proposed.

  According to a third aspect of the present invention, there is provided a door structure for an automobile in which a door glass is supported so as to be movable up and down via a sash between an outer panel and an inner panel of the door. Is provided with an outer door handle, a latch unit that locks the door in the closed position on the outer surface in the vehicle width direction of the inner panel, and a protrusion that protrudes inward in the vehicle width direction on the outer panel, The sash, the projecting portion, and the latch unit are arranged at positions overlapping each other when viewed in the vehicle width direction, and the outer door handle necessary for opening the door through the latch unit has a stroke outward in the vehicle width direction. A is a vehicle width direction distance from the outer panel to the latch unit, and B is a vehicle width direction length of the sash and the protruding portion. When the sum of the C, the door structure of a motor vehicle, characterized in that A> B-C is established is proposed.

  According to a fourth aspect of the present invention, in addition to the configuration of the third aspect, the mutually facing surfaces of the protruding portion and the sash are flat surfaces orthogonal to the vehicle width direction. An automobile door structure is proposed.

  According to the invention described in claim 5, in addition to the structure of any one of claims 1 to 4, the housing of the latch unit has a first portion and a second portion extending in directions intersecting each other. A door structure for an automobile is proposed, wherein the door structure is formed in an L shape including a portion, and a weak portion is provided at a boundary between the first portion and the second portion.

  According to the invention described in claim 6, in addition to the configuration of claim 5, when viewed in the vehicle width direction, the fragile portion is disposed at a position overlapping the sash or the protruding portion. A feature automobile door structure is proposed.

  According to the configuration of the first aspect, the outer door handle is provided on the outer surface of the outer panel in the vehicle width direction, and the latch unit for locking the door in the closed position is provided on the outer surface of the inner panel in the vehicle width direction. When a collision load is input and the outer panel of the door is deformed inward in the vehicle width direction, the outer door handle provided on the outer panel tends to stay in its original position due to inertia, so that the outer door handle is relative to the outer panel. By moving to the outside in the vehicle width direction, there is a possibility that the latch unit operates and the door opens.

  However, the sash is provided with a protruding portion that protrudes inward or outward in the vehicle width direction, and the sash, the protruding portion, and the latch unit are arranged in an overlapping position when viewed in the vehicle width direction, and the door is opened via the latch unit. When the outer width of the outer door handle necessary for the vehicle is A, the distance in the vehicle width from the outer panel to the latch unit is B, and the sum of the lengths of the sash and the protrusion in the vehicle width is C. Since A> BC is established, before the outer door handle moves relative to the outer panel by a distance A relative to the outer panel, the collision load is sashed from the outer panel before A> BC is established. This is transmitted to the latch unit via the protrusion, and the latch unit is destroyed to prevent the door from being opened due to the movement of the outer door handle. Can.

  Further, since the protrusion is supported by using a sash that is always provided on the door, not only the structure is simple, but also the appearance is not deteriorated because the protrusion is invisible from outside and inside the vehicle.

  According to the second aspect of the present invention, the surfaces of the protrusion and the latch unit facing each other, or the surfaces of the protrusion and the outer panel facing each other are flat surfaces orthogonal to the vehicle width direction. Further, it is possible to effectively transmit the collision load between the latch units or between the projecting portion and the outer panel, thereby reliably breaking the lock unit.

  According to the third aspect of the present invention, an outer door handle is provided on the outer surface of the outer panel in the vehicle width direction, and a latch unit for locking the door in the closed position is provided on the outer surface of the inner panel in the vehicle width direction. When the door's outer panel is deformed inward in the vehicle width direction due to the input of the collision load, the outer door handle provided on the outer panel tends to stay in its original position due to inertia, so the outer door handle is relative to the outer panel. Therefore, there is a possibility that the door is opened by operating the latch unit by moving outward in the vehicle width direction.

  However, the outer panel is provided with a protruding portion that protrudes inward in the vehicle width direction, and the sash, the protruding portion, and the latch unit are arranged at positions overlapping when viewed in the vehicle width direction, and are necessary for opening the door through the latch unit. When the outer stroke of the outer door handle in the vehicle width direction is A, the vehicle width direction distance from the outer panel to the latch unit is B, and the sum of the lengths in the vehicle width direction of the sash and the protrusion is C, A> Since BC is established, before the outer door handle moves relative to the outer panel by a distance A relative to the outer panel, the collision load is transferred from the outer panel to the projecting portion and the sash. The door can be prevented from opening due to the movement of the outer door handle by breaking the latch unit. .

  In addition, since the protrusion is supported by using an outer panel that is always provided on the door, the structure is simple, and the protrusion is not visible from outside and inside the vehicle, so that the appearance is not deteriorated. Moreover, since the protrusion is provided on the outer panel, the protrusion does not get in the way when the latch unit is assembled to the door.

  According to the fourth aspect of the present invention, the surfaces of the protruding portion and the sash that face each other are flat surfaces that are orthogonal to the vehicle width direction, so that the collision load is effectively transmitted between the protruding portion and the sash. The latch unit can be destroyed reliably.

  According to the fifth aspect of the present invention, the housing of the latch unit is formed in an L shape having a first portion and a second portion extending in directions intersecting each other, and is weak at the boundary between the first portion and the second portion. Since the portion is provided, the fragile portion can be disposed in a portion where the stress is easily concentrated in the latch unit, and the latch unit can be reliably destroyed from the fragile portion at the time of a side collision.

  According to the sixth aspect of the present invention, when viewed in the vehicle width direction, the fragile portion is disposed at a position overlapping the sash or the protruding portion, so that the sash or the protruding portion collides with the fragile portion of the latch unit at the time of a side collision. The load can be transmitted directly and destroyed reliably.

A side view of an automobile. (First embodiment) FIG. 2 is an enlarged sectional view taken along line 2-2 in FIG. 1. (First embodiment) FIG. 3 is a sectional view taken along line 3-3 in FIG. 2. (First embodiment) FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. (First embodiment) Action | operation explanatory drawing at the time of a side collision. (First embodiment) The figure corresponding to FIG. (Second Embodiment)

First embodiment

  Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.

  As shown in FIGS. 1 and 2, a door 11 (in the embodiment, a front left door) that opens and closes a door opening on the side of a vehicle body includes an outer panel 12 positioned on the outer side in the vehicle width direction, and an inner side in the vehicle width direction. The door glass 15 is supported by a pair of front and rear sashes 14 arranged vertically in the space between the outer panel 12 and the inner panel 13 so as to be movable up and down.

  A latch unit 16 for fixing the door 11 to the closed position is fixed to the outer surface in the vehicle width direction of the rear portion of the inner panel 13 of the door 11. The housing 17 of the latch unit 16 is L-shaped when viewed from above, and includes a first portion 17a extending in the front-rear direction and a second portion 17b extending outward in the vehicle width direction from the rear end of the first portion 17a. In addition, at the boundary between the first portion 17a and the second portion 17b, a weak portion 17c weakened by forming a thin portion or a notch is provided.

  As shown in FIGS. 2 and 4, on the rear surface of the housing 17 of the latch unit 16, a latch 19 pivotally supported around a support shaft 18 extending in the front-rear direction and a support shaft 20 extending in the front-rear direction are provided. The ratchet 21 pivotally supported by the latch 19 is provided, and the engaging portion 21 a of the ratchet 21 can be engaged with the engaged portion 19 a of the latch 19. The latch 19 is urged around the support shaft 18 in the direction of arrow a by a spring (not shown), and the ratchet 21 is urged around the support shaft 20 in the direction of arrow b by a spring (not shown).

  A striker 23 in which a metal rod is bent in a U-shape is fixed to the front surface of the center pillar 22 of the vehicle body facing the rear surface of the latch unit 16, and the door 11 is closed by the cooperation of the latch unit 16 and the striker 23. Fixed in position. Inside the housing 17 of the latch unit 16, an outer door handle 24 provided on the outer panel 12 of the door 11 and operated from the outside of the passenger compartment, and an inner door handle provided on the inner panel 13 of the door 11 and operated from the passenger compartment. 25 (see FIG. 1) and an interlock mechanism 27 (see FIG. 2) connected to a lock knob 26 (see FIG. 1) provided at the upper end of the inner panel 13 of the door 11 and operated from the vehicle interior via a link or cable. The interlocking mechanism 27 operates the ratchet 21 in accordance with the operation of the outer door handle 24, the inner door handle 25, and the lock knob 26.

  When the door 11 is moved from the state shown by the chain line in FIG. 4 to the right side in the drawing toward the closed position, the striker 23 that has entered the slit 17 d formed in the housing 17 of the latch unit 16 enters the engagement groove 19 b of the latch 19. Engage and push the latch 19 to swing in the direction of arrow a '. Then, the ratchet 21 pushed by the latch 19 swings in the direction of the arrow b ', and after the engaged portion 19a of the latch 19 passes, it swings again in the direction of the arrow b by the spring force of the spring. As shown by a solid line, the engaging portion 21a of the ratchet 21 is engaged with the engaged portion 19a of the latch 19, and the door 11 is fixed in the closed position.

  When the outer door handle 24 or the inner door handle 25 is pulled from the state in which the door 11 is fixed at the closed position, the ratchet 21 whose movement is transmitted via the interlocking mechanism 27 swings in the direction of the arrow b ′ and is latched. Since the engagement with 19 is released, the door 11 can be opened on the left side in the figure by pulling the door 11 from the outside of the vehicle or pushing the door 11 from the inside of the vehicle. At this time, if the lock knob 26 is operated to the locked position, even if the outer door handle 24 or the inner door handle 25 is pulled to open the door 11, the movement is blocked by the lost motion mechanism in the interlocking mechanism 27. Therefore, the ratchet 21 does not swing in the direction of the arrow b ′, and the door 11 is locked in the closed position. In order to unlock the door 11, the lock knob 26 may be moved to the unlock position by operating a key from the outside of the vehicle, or the lock knob 26 may be moved directly to the unlock position with a finger from the outside of the vehicle.

  As shown in FIGS. 2 and 3, a metal protrusion 28 is provided on the inner surface in the vehicle width direction of the rear sash 14. When viewed in the vehicle width direction, the sash 14, the projecting portion 28, and the fragile portion 17c of the housing 17 of the latch unit 16 are arranged so as to overlap each other. A stroke of the outer door handle 24 to the outer side in the vehicle width direction with respect to the outer panel 12 required to swing the ratchet 21 to release the engagement with the latch 19 when the door 11 is opened is A, and the vehicle width of the outer panel 12 When the distance between the inner surface in the direction and the outer surface in the vehicle width direction of the latch unit 16 is B, and the sum of the lengths in the vehicle width direction of the sash 14 and the protruding portion 28 is C, A> BC is satisfied. The length in the vehicle width direction of the protruding portion 28 is set. Further, the surfaces of the protruding portion 28 and the housing 17 of the latch unit 16 that face each other so as to be able to contact each other are flat surfaces orthogonal to the vehicle width direction.

  Next, the operation of the embodiment of the present invention having the above configuration will be described.

  When the automobile is subjected to a side collision when the door 11 is not locked and the outer panel 12 of the door 11 is deformed inward in the vehicle width direction, the outer door handle 24 provided on the outer panel 12 tends to remain in its original position due to inertia. Therefore, the outer door handle 24 moves outward in the vehicle width direction relative to the outer panel 12, so that the movement of the outer door handle 24 is transmitted to the ratchet 21 via the interlocking mechanism 27 of the latch unit 16. 21 and the latch 19 may be disengaged and the door 11 may be opened.

  However, as shown in FIG. 5, according to the present embodiment, when the outer panel 12 of the door 11 is deformed inward in the vehicle width direction due to a collision load, the protruding portion 28 provided on the sash 14 pushed by the outer panel 12 is By contacting the weak portion 17c of the housing 17 of the latch unit 16, the housing 17 of the latch unit 16 is broken from the weak portion 17c, and the linkage mechanism 27 loses its function, so that the outer door handle 24 and the ratchet 21 are connected. Blocked. As a result, even if the outer door handle 24 moves relative to the outer panel 12 in the vehicle width direction outside, the ratchet 21 does not swing and stays at the original position, and the door 11 is maintained in the closed state. Articles and the like are prevented from falling outside the vehicle.

  At this time, the stroke of the outer door handle 24 required to open the door 11 via the latch unit 16 is defined as A, the distance in the vehicle width direction from the outer panel 12 to the latch unit 16 is B, Assuming that the sum of the lengths in the vehicle width direction of the sash 14 and the projecting portion 28 is C, since A> BC is established, the interlock mechanism 27 of the latch unit 16 is moved before the ratchet 21 swings and the door 11 opens. Can be reliably destroyed, and the opening of the door 11 due to a side collision can be reliably prevented.

  Further, since the surfaces of the protrusions 28 and the housing 17 of the latch unit 16 facing each other are flat surfaces orthogonal to the vehicle width direction, the collision load is effectively transmitted between the protrusions 28 and the latch unit 16. The latch unit 16 can be destroyed reliably. In addition, when viewed from above, the latch unit 16 is formed in an L shape having a first portion 17a and a second portion 17b extending in directions intersecting each other, and is formed at the boundary between the first portion 17a and the second portion 17b. Since the fragile portion 17c includes the fragile portion 17c and is disposed at a position overlapping the protruding portion 28, the collision load is concentrated on the fragile portion 17c at a position where stress in the latch unit 16 is likely to be concentrated, so that the latch unit 16 is securely Can be destroyed.

  In addition, the sash 14 that is always provided on the door 11 is used to support the protruding portion 28, so that the structure is simple, and the protruding portion 28 is not visible from outside and inside the vehicle, so that the aesthetics are deteriorated. I will not let you.

Second embodiment

  Next, a second embodiment of the present invention will be described with reference to FIG.

  In the first embodiment, the protruding portion 28 is provided on the sash 14, but in the second embodiment, the protruding portion 28 is provided on the inner surface in the vehicle width direction of the outer panel 12 of the door 11. When viewed in the vehicle width direction, the protruding portion 28, the sash 14, and the fragile portion 17c of the housing 17 of the latch unit 16 are arranged so as to overlap each other. Further, the surfaces of the protruding portion 28 and the sash 14 that face each other so as to be able to contact each other are flat surfaces that are orthogonal to the vehicle width direction. Then, when the door 11 is opened, the ratchet 21 is swung to release the engagement with the latch 19 and the outer panel 12 is moved to the outer side in the vehicle width direction with respect to the outer panel 12. When the distance between the inner surface in the width direction and the outer surface in the vehicle width direction of the latch unit 16 is B and the sum of the lengths in the vehicle width direction of the sash 14 and the projecting portion 28 is C, A> BC is satisfied. Is the same as in the first embodiment.

  The present embodiment not only can achieve the same operational effects as the first embodiment described above, but also supports the protruding portion 28 using the outer panel 12 that is always provided on the door 11. In addition, the protrusion 28 is not visible from the outside and inside of the vehicle, so that the appearance is not deteriorated. Moreover, since the protruding portion 28 is provided on the outer panel 12, the protruding portion 28 does not get in the way when the latch unit 16 is assembled to the door 11.

  The embodiments of the present invention have been described above, but various design changes can be made without departing from the scope of the present invention.

  For example, in the first embodiment, the protruding portion 28 is provided on the inner surface in the vehicle width direction of the sash 14, but the protruding portion 28 may be provided on the outer surface in the vehicle width direction of the sash 14.

  Further, in the embodiment, the protruding portion 28 or the sash 14 is opposed to the fragile portion 17c of the housing 17 of the latch unit 16. However, if it is somewhere on the housing 17 of the latch unit 16, it is in a position shifted from the fragile portion 17c. You may make it oppose.

11 Door 12 Outer panel 13 Inner panel 14 Sash 15 Door glass 16 Latch unit 17 Housing 17a First part 17b Second part 17c Fragile part 24 Outer door handle 28 Protruding part

Claims (6)

There is a door structure of an automobile in which a door glass (15) is supported up and down through a sash (14) between an outer panel (12) and an inner panel (13) of the door (11),
An outer door handle (24) is provided on the outer surface of the outer panel (12) in the vehicle width direction, and a latch unit (16) for locking the door (11) in the closed position on the outer surface of the inner panel (13) in the vehicle width direction. The sash (14) is provided with a protrusion (28) protruding inward or outward in the vehicle width direction. The sash (14), the protrusion (28) and the latch unit (16) A stroke of the outer door handle (24), which is disposed at an overlapping position when viewed in the vehicle width direction and is required to open the door (11) via the latch unit (16), is A. The distance in the vehicle width direction from the outer panel (12) to the latch unit (16) is B, and the length in the vehicle width direction of the sash (14) and the protrusion (28) is When was the C, A> door structure of a vehicle B-C, characterized in that the hold.   The mutually opposing surfaces of the projecting portion (28) and the latch unit (16) or the mutually opposing surfaces of the projecting portion (28) and the outer panel (12) are flat surfaces orthogonal to the vehicle width direction. The automobile door structure according to claim 1, wherein: There is a door structure of an automobile in which a door glass (15) is supported up and down through a sash (14) between an outer panel (12) and an inner panel (13) of the door (11),
An outer door handle (24) is provided on the outer surface of the outer panel (12) in the vehicle width direction, and a latch unit (16) for locking the door (11) in the closed position on the outer surface of the inner panel (13) in the vehicle width direction. The outer panel (12) is provided with a protrusion (28) protruding inward in the vehicle width direction, and the sash (14), the protrusion (28) and the latch unit (16) A stroke of the outer door handle (24) that is disposed in an overlapping position when viewed in the direction and is required to open the door (11) via the latch unit (16) is defined as A, The vehicle width direction distance from the outer panel (12) to the latch unit (16) is B, and the sum of the vehicle width direction lengths of the sash (14) and the protrusion (28) is C. When in, A> door structure of a motor vehicle, characterized in that B-C is established.   The door structure for an automobile according to claim 3, wherein the mutually facing surfaces of the protrusion (28) and the sash (14) are flat surfaces orthogonal to the vehicle width direction.   The housing (17) of the latch unit (16) is formed in an L shape with a first portion (17a) and a second portion (17b) extending in a direction crossing each other, and the first portion (17a) and 5. The automobile door structure according to claim 1, further comprising a fragile portion (17 c) at a boundary of the second portion (17 b). The door of the automobile according to claim 5, wherein the weak part (17c) is arranged at a position overlapping the sash (14) or the protrusion (28) when viewed in the vehicle width direction. Construction.

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