JP4624919B2 - Sliding door with intermediate stopper mechanism - Google Patents

Description

  The present invention relates to a slide door of a vehicle, and more particularly to a fully open lock mechanism for holding a fully open position and a slide door stopper structure provided with an intermediate stopper mechanism for stopping movement in the open direction while reaching the fully open position.

  If the sliding door is equipped with a window glass that can be opened and closed (lifted), if the sliding door is opened with the window glass open, the objects inserted in the opened window will be separated into the window frame of the sliding door and the pillar of the body. There is a risk of being pinched and damaged. In order to avoid this, it has been proposed to provide an intermediate stopper mechanism that stops the sliding door at an intermediate position in the opening direction when the opening degree of the window glass is a certain level or more.

  There is also known a fully open lock mechanism that holds the slide door in a fully open position so that the slide door is not inadvertently closed in the opened state.

  The intermediate stopper mechanism needs to be switched between a state in which the stopper functions and a state in which the stopper does not function depending on the open / close state of the window glass. For example, as in Patent Document 1, a pivotable pole that is stored when the window glass is closed and protrudes when the window glass is opened is provided on the slide door side, and the protruding pole is provided as an intermediate stopper on the vehicle body side. A structure is known in which a sliding door is stopped at an intermediate open position by being applied to a member. In such an intermediate stopper mechanism, when the slide door is strongly opened, a strong collision load is applied to the pole which is a movable member.

In Patent Document 1, a pole is pivotally supported on a base plate on the slide door side, and a block member that contacts and receives a load when the pole is in a protruding position is provided on the base plate. Since this block member is provided in the vicinity of the attachment portion for fixing the base plate to the slide door, it has a high support strength and is less likely to be deformed even when a load is applied from the pole.
Japanese Patent Laid-Open No. 2002-21399

  However, when an attempt is made to increase the degree of freedom in designing the intermediate stopper mechanism and the fully open lock mechanism in the slide door, the intermediate stopper mechanism cannot always be arranged at a position that is preferable in terms of strength, such as the pole and block member of Patent Document 1. Absent.

  Therefore, an object of the present invention is to provide a slide door that has a high degree of freedom in the arrangement of the intermediate stopper mechanism and can ensure sufficient collision load strength.

  The present invention provides a sliding door that can be opened and closed at the entrance of a vehicle body, a fully open locking mechanism that locks the sliding door at a fully open position, and a fully open position when the opening degree of the window glass of the slide door is greater than or equal to a predetermined value. An intermediate stopper mechanism that stops the sliding door at an intermediate open position in the middle of reaching, and the fully open lock mechanism engages with the fully open holding striker provided on the vehicle body side and the fully open holding striker. Fully open holding hook that can be rotated to the unlocked position to be released, and a rotation restricting position that holds the fully open holding hook in the unlocked position, and a rotation allowable position that allows rotation to the locked position. A hook rotation control member, and the intermediate stopper mechanism is in contact with the intermediate stopper member provided on the vehicle body side, and the air vibration is not in contact with the intermediate stopper member. In the structure of the slide door having an intermediate stopper lever that can rotate to a position, a first rotation shaft for a fully-opening holding hook, a second rotation shaft for a hook rotation control member, and an intermediate stopper lever A pair of support plates for supporting the third rotation shaft, a fixing bolt for fixing the pair of support plates to the slide door, and at least one of the first rotation shaft and the second rotation shaft are inserted. A first shaft insertion member fixed between the pair of support plates and abutting against the intermediate stopper lever when the intermediate stopper lever is rotated to the protruding position to define the rotation end; and at least a third rotation shaft When the intermediate stopper lever is rotated to the protruding position, it receives a force to rotate about the contact portion with the first shaft insertion member. Second shaft insertion member It is characterized by having a.

  At least one of the first and second rotation shafts inserted through the first shaft insertion member is inserted into the first shaft when the intermediate stopper lever at the protruding position contacts the intermediate stopper member on the vehicle body side. It is good to provide in the position which receives the compressive load added with respect to a member.

  Further, a lever rotation control member that can be rotated between a rotation restricting position that holds the intermediate stopper lever in the idle position and a rotation allowable position that allows rotation to the protruding position is provided. The fourth rotation shaft is supported by a pair of support plates, and the second shaft insertion member has a fourth rotation for the lever rotation control member in addition to the third rotation shaft for the intermediate stopper lever. It is preferable that the moving shaft is inserted.

  It is preferable that the pair of support plates further include auxiliary pins that are positioned closer to the intermediate stopper lever than the first and second rotation shafts and are inserted into the first shaft insertion member.

  According to the present invention described above, it is possible to obtain a slide door having a sufficient collision load strength while increasing the degree of freedom of arrangement of the intermediate stopper mechanism.

  Hereinafter, the present invention will be described based on illustrated embodiments. In addition, the front-back direction and the up-down direction in the following description mean the front-back direction and the up-down direction in the vehicle. As shown in FIG. 1, a lower rail 12 is provided on the lower edge of the opening of an entrance 11 a that is opened on the side of the body 11 of the vehicle. A lower arm 32 is provided at a lower portion of the door panel 30 (FIGS. 3 to 5) of the slide door 13, and a roller (not shown) provided on the lower arm 32 is slidably fitted to the lower rail 12, so that the slide The door 13 is movable along the lower rail 12 in the longitudinal direction of the vehicle body. The slide door 13 moves forward to close the entrance / exit 11a, and moves backward to open the entrance / exit 11a. Note that the mechanism for opening and closing the slide door 13 may be either a manual operation type or an electric drive type.

  The slide door 13 is provided with a window glass 15 that can be raised and lowered. The window glass 15 can be moved up and down by a window regulator. Although the window regulator is not shown in FIG. 1, the window regulator may be a well-known one.

  A metal step panel 11b is provided on the lower side of the entrance 11a in the body 11, and the body side stopper unit 20 is fixed to the step panel 11b (FIG. 2). As shown in FIGS. 8 to 11, the body-side stopper unit 20 includes a base plate 21 whose longitudinal direction is directed in the longitudinal direction of the vehicle (the opening / closing direction of the slide door 13), and the opening direction of the slide door 13 of the base plate 21. It consists of a fully open stopper bracket 22 fixed to one end facing and a C-shaped reinforcing plate 23 fixed across both the base plate 21 and the fully open stopper bracket 22.

  The fully open stopper bracket 22 has a fully open stopper portion 22a made of a hard rubber cushion material on the surface facing the front of the vehicle body. The lower arm 32 on the slide door 13 side includes a contact portion 31 (a part of which is shown in FIGS. 2 and 5) that contacts the fully open stopper portion 22a when the slide door 13 is slid in the opening direction. Further movement of the slide door 13 in the opening direction is restricted by the contact between the contact portion 31 and the fully open stopper portion 22a.

  The base plate 21 has a pair of through-holes 21aF and 21aR that are spaced apart in the longitudinal direction. The fixing plate 24F and 24R are inserted into the through-holes 21aF and 21aR and screwed into the nuts 25F and 25R to thereby obtain a plate thickness. It is fixed to the step panel 11b in a state where the plane is horizontal (FIG. 2). Of the pair of through-holes 21aF and 21aR, the rear through-hole 21aR is a long hole, so that the fixing bolt 24R can be reliably inserted and fixed even if there is an accuracy error of the parts.

  The base plate 21 has a U-shaped fully open holding striker 26 and an intermediate stopper arm 27. In a state where the base plate 21 is fixed to the step panel 11b, the fully open holding striker 26 and the intermediate stopper arm 27 protrude in the direction of the lower surface of the body, and as shown in FIG. 3 to FIG. 27 is the front and the fully open holding striker 26 is the rear. In other words, the fully open holding striker 26 is positioned closer to the door opening direction than the intermediate stopper arm 27 with respect to the advancing / retreating direction of the sliding door 13. The intermediate stopper arm 27 has an intermediate stopper portion 27a made of a hard rubber cushion material on the surface facing the front of the vehicle body.

  The base plate 21, the fully open stopper bracket 22 and the reinforcing plate 23 are each formed of a metal material. The base plate 21 has a plate-like bracket support portion 21c that is formed one step lower than the plate-like step panel attachment portion 21b in which the through holes 21aF and 21aR are formed. The fully open stopper bracket 22 has a fixed support portion 22b substantially parallel to the bracket support portion 21c, and the step panel mounting portion 21b and the fixed support portion 22b are fixed by a welded portion WE1 (FIG. 10). The fully open stopper bracket 22 has a downward extending arm 22c substantially orthogonal to the fixed support portion 22b, and the fully open stopper 22a is provided on the front side of the downward extending arm 22c.

  As shown in FIG. 8, a slit 28 penetrating the bracket support portion 21c and the fixed support portion 22b is formed. One end (rear end) of the slit 28 is opened, and the reinforcing plate 23 can be fitted into the slit 28 from the opening. The C-shaped reinforcing plate 23 is welded and fixed to the base plate 21 and the fully-opened stopper bracket 22 with the intermediate portion fitted in the slit 28. Specifically, one end portion of the reinforcing plate 23 is welded to the back surface side of the fully open stopper portion 22a of the downward extending arm 22c, and the other end portion of the reinforcing plate 23 straddles the fixed support portion 22b and the bracket support portion 21c. It is welded to the upper surface side of the step panel mounting portion 21b. The welded portions of these reinforcing plates 23 are indicated by symbols WE2 and WE3 in the drawing, respectively. As shown in FIG. 9, the welded portion WE3 of the reinforcing plate 23 on the step panel mounting portion 21b is located in the vicinity of the rear through hole 21aR that is a long hole of the pair of through holes 21aF and 21aR. And in the vehicle front-back direction, this reinforcement plate 23 is located on the extension of the straight line of the front-back direction which connects a pair of through-hole 21aF, 21aR.

  A door-side stopper unit 40 is attached to the lower arm 32 of the slide door 13. As shown in FIGS. 3 to 7, the door-side stopper unit 40 includes a fully-open holding hook 43, an intermediate stopper lever 44, a first ratchet 45, and a second ratchet 46 between the upper plate 41 and the lower plate 42, respectively. It is pivotally supported by 43x, 44x, 45x, 46x. Each of the support shafts 43x, 44x, 45x, and 46x is formed of a cylindrical pin, and the upper plate 41 and the lower plate 42 are formed with holes through which the pins can be inserted. Each pin is inserted into a corresponding hole in the upper plate 41 and the lower plate 42, and the ends thereof are caulked to form a fixed rotation shaft. 3 to 6 show a state in which the upper plate 41 is removed in order to make it easy to see the operational relationship of the members.

  One end of the fully open holding hook 43 is pivotally supported by the support shaft 43x, and the other end projects laterally from the upper plate 41 and the lower plate 42. The tip of the projecting end is divided into a bifurcated shape and enters the striker. A groove 43a is formed. The fully-open holding hook 43 prohibits the unlock position (FIGS. 3 and 4) where the fully-open holding striker 26 can enter the striker entry groove 43a and the release of the fully-open holding striker 26 that has entered the striker entry groove 43a. It can rotate between the locked position (FIG. 5) and is urged to rotate in the unlocking direction (counterclockwise in FIGS. 3 to 6) by the urging spring 47. The fully open holding hook 43 abuts against the stopper 48 at the unlock position, and further rotation in the unlock direction is restricted. The stopper 48 is formed on the lower plate 42.

  The fully open holding hook 43 is formed with a rotation restricting concave portion 43b and an engagement preventing convex portion 43c at the outer edge near the support shaft 43x. The first ratchet 45 is supported at one end by a support shaft 45x, and has an engaging claw 45a at the other end that can engage with the rotation restricting recess 43b. The first ratchet 45 is rotationally biased by a biasing spring 49 in a direction in which the engaging claw 45a is engaged with the rotation restricting recess 43b, that is, counterclockwise in FIGS. When the fully open holding hook 43 is in the aforementioned unlock position, the outer peripheral portion of the engagement preventing projection 43c is brought into contact with the engagement claw 45a, so that the engagement between the engagement claw 45a and the rotation restricting recess 43b is blocked. (FIGS. 3, 4, and 6). On the other hand, when the fully open holding hook 43 is rotated to the above-mentioned lock position, the first ratchet 45 is rotated by the urging force of the urging spring 49, and the rotation restricting recess 43b and the engaging claw 45a are engaged (FIG. 5). . In this engaged state, the first ratchet 45 prohibits the rotation of the fully open holding hook 43 in the unlocking direction.

  A cable 50 operated by a door handle (not shown) of the slide door 13 is connected to the first ratchet 45. The cable 50 is pulled by operating the door handle, and the first ratchet 45 is rotated in the clockwise direction in FIGS. 3 to 6 against the biasing force of the biasing spring 49. As a result, the engagement between the engagement claw 45a and the rotation restricting recess 43b is released, and the fully open holding hook 43 can be rotated in the unlocking direction. When the operation of the door handle is released, the cable 50 is relaxed, and the rotational operation force to the first ratchet 45 is eliminated.

  One end of the intermediate stopper lever 44 is pivotally supported by the support shaft 44x, and the other end projects laterally from the upper plate 41 and the lower plate 42. A stopper abutting portion 44a is formed at the projecting end. Yes. The intermediate stopper lever 44 has a protruding position (FIGS. 4 and 6) where the stopper abutting portion 44a can abut against the intermediate stopper portion 27a of the intermediate stopper arm 27, and a storage that does not abut against the intermediate stopper arm 27. It can be rotated between a position (idling position) (FIGS. 3 and 6), and is urged to rotate by a biasing spring 51 in the protruding position direction (clockwise in FIGS. 3 to 6). The intermediate stopper lever 44 abuts against the rotation restricting plate 52 at the protruding position, and further rotation of the urging spring 51 in the urging direction is restricted. The intermediate stopper lever 44 is pressed by the storage position holding member 14 (FIG. 3) provided on the body 11 side when the slide door 13 is in the fully closed position, and resists the biasing force of the biasing spring 51. Held in the storage position. The intermediate stopper lever 44 is formed with a rotation restricting concave portion 44b and an engagement preventing convex portion 44c at the outer edge near the support shaft 44x.

  The second ratchet 46 is supported at one end by a support shaft 46x, and has an engaging claw 46a at the other end that can be engaged with the rotation restricting recess 44b of the intermediate stopper lever 44. The second ratchet 46 is rotationally biased by the biasing spring 53 in the direction in which the engaging claw 46a is engaged with the rotation restricting recess 44b, that is, in the counterclockwise direction in FIGS. When the intermediate stopper lever 44 is in the protruding position, the outer peripheral portion of the engagement preventing projection 44c is brought into contact with the engagement claw 46a, and therefore the engagement between the engagement claw 46a and the rotation restricting recess 44b is blocked. (FIGS. 4 and 6). On the other hand, when the intermediate stopper lever 44 is rotated to the aforementioned storage position, the second ratchet 46 is rotated by the biasing force of the biasing spring 53, and the rotation restricting recess 44b and the engaging claw 46a are engaged (FIG. 3, FIG. FIG. 5). In this engaged state, the rotation of the intermediate stopper lever 44 to the protruding position is prohibited by the second ratchet 46.

  Connected to the second ratchet 46 is a cable 54 that is pulled when the window glass 15 of the slide door 13 is opened above a certain level and relaxed when the window glass 15 is closed. When the cable 54 is pulled, the second ratchet 46 is rotated clockwise in FIGS. 3 to 6 against the urging force of the urging spring 53. As a result, the engagement between the engagement claw 46a and the rotation restricting recess 44b is released, and the intermediate stopper lever 44 can be rotated in the protruding position direction. In this embodiment, the device for opening and closing (raising and lowering) the window glass 15 may be a well-known device, and detailed description thereof is omitted.

  The urging springs 47, 49, 51 and 53 are each composed of a torsion coil spring wound around the corresponding support shafts 43x, 44x, 45x and 46x.

  The door-side stopper unit 40 further includes a reinforcing plate 55 and a reinforcing pin 56 (FIGS. 6 and 7) sandwiched between the upper plate 41 and the lower plate 42. Details of the reinforcing plate 55 and the reinforcing pin 56 will be described later. 3 to 5, illustration of the reinforcing plate 55 and the reinforcing pin 56 is omitted for easy understanding of the operational relationship of other elements.

  The door-side stopper unit 40 is assembled in a state where the above-described elements are sandwiched between the upper plate 41 and the lower plate 42. The upper plate 41 and the lower plate 42 are formed with a pair of through holes 57F and 57R at the ends in the front-rear direction. The fixing bolts 58F and 58R are inserted into the through holes 57F and 57R to the lower arm 32, respectively. By fastening together, the upper plate 41 and the lower plate 42 are integrated (FIG. 7).

  When the door-side stopper unit 40 is assembled to the slide door 13 in this way, as shown in FIGS. 3 to 7, the positional relationship is such that the fully open holding hook 43 is forward and the intermediate stopper lever 44 is rearward in the vehicle longitudinal direction. Since the slide door 13 is opened by sliding backward, in other words, the intermediate stopper lever 44 is positioned on the door opening direction side of the fully open holding hook 43 with respect to the forward / backward direction of the slide door 13. Further, as shown in FIG. 7, the fully open holding hook 43 and the intermediate stopper lever 44 are offset in the vertical direction of the vehicle, the intermediate stopper lever 44 is upward (upper plate 41 side), and the fully open holding hook 43 is downward. Located on the lower plate 42 side.

  The operation of the above configuration will be described. First, the opening operation from the fully closed position of the slide door 13 in a state where the window glass 15 is closed will be described. FIG. 3 shows the fully closed state of the slide door 13. In FIG. 3, the body-side stopper unit 20 and the door-side stopper unit 40 are drawn closer to each other in the front-rear direction distance in the actual door fully closed state. At this time, in the door-side stopper unit 40, the fully open holding hook 43 is in the unlock position, and the intermediate stopper lever 44 is in the retracted position. The intermediate stopper lever 44 is in contact with the storage position holding member 14. Since the window glass 15 is closed, the cable 54 is in a relaxed state, and the second ratchet 46 in the door-side stopper unit 40 engages the engaging claw 46 a with the rotation restricting recess 44 b by the urging force of the urging spring 53. It is held at the rotation restriction position. Therefore, the intermediate stopper lever 44 is held at the retracted position against the urging force of the urging spring 51. Further, the cable 50 is loosened, and the first ratchet 45 is held at a position where the engagement claw 45a is brought into contact with the outer peripheral portion of the engagement preventing convex portion 43c of the fully open holding hook 43.

  When the sliding door 13 is slid in the opening direction along the lower rail 12, the door side stopper unit 40 moves together with the sliding door 13. When the slide door 13 approaches the open state, the intermediate stopper lever 44 approaches the intermediate stopper arm 27. However, when the intermediate stopper lever 44 is in the retracted position, the stopper contact portion 44a does not contact the intermediate stopper arm 27 (idle swing). Since the movement of the door-side stopper unit 40 is not restricted, the slide door 13 slides further toward the fully open position. When the slide door 13 approaches the fully open position, the fully open holding striker 26 enters the striker entry groove 43a. When the slide door 13 further moves in the opening direction, the fully open holding hook 43 is rotated from the unlocked position to the locked position against the biasing force of the biasing spring 47 by the moving force (FIG. 5). When the fully open holding hook 43 is rotated to the locked position, the first ratchet 45 is rotated counterclockwise as shown in FIG. 5 by the biasing force of the biasing spring 49, and the engagement claw 45a is engaged with the rotation restricting recess 43b. To do. In this engaged state, the rotation of the fully open holding hook 43 in the unlocking direction is restricted. As a result, the state where the fully open holding striker 26 is held in the striker entry groove 43a is maintained, and the sliding door 13 is restricted from sliding in the closing direction. The sliding door 13 is slid and locked in the opening direction to a position where the contact portion 31 of the lower arm 32 contacts the fully open stopper portion 22 a of the fully open stopper bracket 22. This is the door fully opened state of FIG. In FIG. 5, the engagement relationship between the striker entry groove 43 a and the fully open holding striker 26 is shown by a solid line to make it easy to see, but in reality, the engagement portion is in a position hidden under the base plate 21.

  To close the slide door 13 from this fully open state, the door handle is operated. Then, the cable 50 is pulled, and the first ratchet 45 is rotated clockwise in FIG. 5 against the biasing force of the biasing spring 49. Then, the engagement between the engaging claw 45a and the rotation restricting recess 43b is released, and the fully open holding hook 43 is allowed to rotate in the unlocking direction. Here, when the slide door 13 is slid in the opening direction, the fully opened holding hook 43 is rotated from the locked position to the unlocked position, and the fully opened holding striker 26 is detached from the striker entry groove 43a. Thereby, the fully open lock state of the slide door 13 is released, and the slide door 13 can be closed. When the window glass 15 is closed, the intermediate stopper lever 44 is kept in the retracted position during the above opening / closing operation of the slide door 13.

  Next, the opening operation from the fully closed position of the slide door 13 when the window glass 15 is opened more than a certain amount will be described. The point that the fully open holding hook 43 is in the unlocked position in the fully closed position of the slide door 13 is the same as the state in which the window glass 15 is closed. On the other hand, when the window glass 15 is opened more than a certain amount, the cable 54 is pulled according to the opening operation, and the second ratchet 46 is rotated in the clockwise direction in FIG. 3 against the urging force of the urging spring 53. Then, the engagement between the engaging claw 46a and the rotation restricting recess 44b is released, and the intermediate stopper lever 44 can be rotated to the protruding position.

  When the sliding door 13 is slid in the opening direction along the lower rail 12 in this state, the intermediate stopper lever 44 is separated from the storage position holding member 14 and is rotated to the protruding position shown in FIG. 4 by the urging force of the urging spring 51. Is done. When the slide door 13 approaches the open state, the stopper contact portion 44a of the intermediate stopper lever 44 protruding to the protruding position contacts the intermediate stopper portion 27a of the intermediate stopper arm 27. Since the intermediate stopper lever 44 abuts against the rotation restricting plate 52, the intermediate stopper lever 44 (the stopper abutting portion 44a) is restricted from rotating (clockwise in FIG. 4) beyond the protruding position. ) And the intermediate stopper arm 27 (intermediate stopper portion 27a), the further movement in the opening direction of the slide door 13 is restricted. That is, the slide door 13 is stopped at the intermediate open position before the fully open position. This is the door middle open state of FIG.

  In order to release the stop state at the intermediate open position, the window glass 15 may be closed and the slide door 13 may be slid to the fully closed position. When the window glass 15 is closed, the pulled state of the cable 54 is released. When the pulling of the cable 54 is released, the second ratchet 46 can be rotated according to the biasing force of the biasing spring 53. When the slide door 13 is returned to the fully closed position, the intermediate stopper lever 44 is pressed by the storage position holding member 14 (FIG. 3) and rotated from the protruding position to the storage position. Then, the second ratchet 46 is rotated counterclockwise in FIG. 4 by the urging force of the urging spring 53, the engaging claw 46a is engaged with the rotation restricting recess 44b, and the intermediate stopper lever 44 is held in the retracted position. The When returning from the intermediate open position, the window glass 15 may be closed first and then the slide door 13 may be slid to the fully closed position, or conversely, the slide door 13 may be slid to the fully closed position and then the window. The glass 15 may be closed.

  According to the above slide door structure, since both the full-open holding striker 26 and the intermediate stopper arm 27 are provided in the lower part of the boarding opening 11a, it is not necessary to provide a stopper member in the pillar portion extending in the vertical direction in the body 11. Therefore, the freedom degree of a body shape can be raised. Further, by forming the fully-open holding striker 26 and the intermediate stopper arm 27 as an integral body-side stopper unit 20 as in this embodiment, the number of parts can be reduced and a simple configuration can be achieved.

  Further, the positional relationship between the fully-open holding hook 43 and the intermediate stopper lever 44 in the door-side stopper unit 40 is arranged opposite to that of the conventional sliding door in the vehicle front-rear direction. Conventionally, with respect to the advancing / retreating direction of the slide door, a fully open holding hook is provided on the door opening direction side and an intermediate stopper lever is provided on the door closing direction side. On the other hand, in the slide door structure of the present embodiment, the intermediate stopper lever 44 is provided on the door opening direction (rear) side with respect to the fully open holding hook 43. This structure has the following advantages.

  As described in the description of the prior art, the reason for stopping the sliding door in the intermediate open position is to prevent the inserted object with the window glass opened from being sandwiched between the window frame of the sliding door and the body pillar. Because. Here, it is assumed that a distance A is required between the fully open position and the intermediate open position in the advancing / retreating direction of the slide door in order to prevent a specific target object from being caught. This distance A can be expressed as the amount of movement in the front-rear direction of the axial position of the fully opened holding hook (corresponding to the fully opened holding hook 43 in the embodiment) when the sliding door is in the fully opened position and the intermediate opened position. In the conventional type of stopper structure, the distance in the front-rear direction from the axial position of the fully open holding hook when the slide door is in the intermediate open position to the body side intermediate stopper member (corresponding to the intermediate stopper portion 27a of the embodiment) is B In this case, the front-rear distance C between the body-side intermediate stopper member and the body-side fully-open locking member (corresponding to the fully-open holding striker 26 of the embodiment) is the sum of the distance A and the distance B. (C = A + B). On the other hand, in the structure in which the front and rear are switched as in the present embodiment, the front-rear direction interval C ′ between the fully-open holding striker 26 and the intermediate stopper arm 27 is as follows. First, the distance between the fully open position and the intermediate open position in the forward / backward direction of the slide door 13 (the amount of movement of the support shaft 43x of the fully open holding hook 43) is A as in the above example. The distance in the front-rear direction from the axial position (support shaft 43x) of the fully open holding hook 43 when the slide door 13 is in the intermediate open position to the intermediate stopper portion 27a of the intermediate stopper arm 27 is assumed to be B as in the above example. Then, the relationship of A = B + C ′ is established. That is, C ′ = A−B, and even if the distance between the full-open holding striker 26 that is a full-open locking member and the intermediate stopper arm 27 that is an intermediate stopper is made closer, the sliding door 13 can be A necessary distance A can be ensured between the fully open position and the intermediate open position. This makes it possible to reduce the size of the stopper mechanism by reducing the distance between the fully-open holding striker 26 and the intermediate stopper arm 27 in the vehicle longitudinal direction. Since the fully-open holding striker 26 and the intermediate stopper arm 27 can be brought close to each other, as described above, the body-side stopper unit 20 in which the fully-opening stopper bracket 22, the fully-opening holding striker 26, and the intermediate stopper arm 27 are integrated is unitized. It is possible.

  The intermediate stopper lever 44 is positioned closer to the door opening direction than the fully open holding hook 43, so that when the slide door 13 moves to the fully open position beyond the intermediate open position, the fully open holding hook 43 is moved to the intermediate stopper arm 27. The striker entry groove 43a is engaged with the fully open holding striker 26 after passing through the installation position. Here, as shown in FIG. 7, the fully open holding hook 43 and the intermediate stopper lever 44 are provided with their positions offset in the vertical direction of the vehicle. Since the intermediate stopper arm 27 on the body 11 side is provided at the same height position as the stopper contact portion 44a of the intermediate stopper lever 44, as a result, the fully opened holding hook 43 and the intermediate stopper arm 27 are also offset in the vertical direction. It is in a positional relationship. Therefore, when the slide door 13 moves to the fully open position, the fully open holding hook 43 can move rearward from the intermediate stopper arm 27 without interfering with the intermediate stopper arm 27 and engage with the fully open holding striker 26. it can.

  When the slide door 13 is opened to the fully open position, the fully open holding striker 26 performs a locking operation to enter the striker entry groove 43a of the fully opened holding hook 43, while the abutting portion 31 of the lower arm 32 is the fully opened stopper bracket 22 of the fully opened stopper bracket 22. The movement of the sliding door 13 in the opening direction is restricted by contacting the portion 22a. On the other hand, when the slide door 13 is stopped at the intermediate opening position, the stopper contact portion 44a of the intermediate stopper lever 44 protruding to the protruding position abuts against the intermediate stopper portion 27a of the intermediate stopper arm 27, so that the slide door 13 is opened. Restrict movement in the direction. Since the lower arm 32 is a fixed member in the slide door 13 and has high rigidity, the intermediate stopper lever 44 is required to have a load bearing performance equivalent to that of the lower arm 32 while being a small rotating member. In particular, in this embodiment, the support shaft 44x of the intermediate stopper lever 44 is long in the front-rear direction because the front and rear positions of the fully opened holding hook 43 and the intermediate stopper lever 44 in the door-side stopper unit 40 are reversed. Located in the approximate center. Of the door-side stopper unit 40, the vicinity of the front and rear ends fixed by the fixing bolts 58F and 58R is easy to obtain strength, but the intermediate stopper lever 44 is pivotally supported at the central portion away from the front and rear ends. Therefore, the load bearing performance around the intermediate stopper lever 44 is enhanced as follows.

  As shown in FIGS. 6 and 7, the rotation restricting plate 52 that locks the intermediate stopper lever 44 at the protruding position has a contact portion 52a that contacts the side surface of the intermediate stopper lever 44 at one end. It extends from the portion 52 a toward the front end portion side of the door-side stopper unit 40. The rotation restricting plate 52 has a through hole through which the support shaft 43x, the support shaft 45x, and the reinforcing pin 56 are inserted, and is fixed between the upper plate 41 and the lower plate 42. More specifically, as shown in FIG. 7, the rotation restricting plate 52 is supported on the upper plate 41 side, and the fully open holding hook 43 and its urging force are provided between the turn restricting plate 52 and the lower plate 42. The spring 47, the first ratchet 45, and the biasing spring 49 are sandwiched and held.

  When the stopper contact portion 44a of the intermediate stopper lever 44 in the protruding position collides with the intermediate stopper portion 27a of the intermediate stopper arm 27 in accordance with the movement of the slide door 13 in the opening direction, the intermediate stopper A rotational moment in the clockwise direction in FIG. 6 acts on the lever 44, and this rotational moment acts as a compressive load on the rotation restricting plate 52 via the contact portion 52a. Since the support shafts 43x and 45x inserted into the rotation restricting plate 52 and the reinforcing pins 56 are positioned on the extension of the direction of the action of the compression load, the support shafts 43x and 45x and the reinforcing pins 56 can receive a load. it can.

  Of these support shafts and pins, the support shaft 45x receives the load particularly at the center. As can be seen from FIG. 6, the support shaft 45x is provided at a position close to the contact portion 52a, which is an input region for the compressive load. Therefore, even if a strong compressive load is applied, the rotation restricting plate 52 is supported without being bent. The load can be released via the shaft 45x. More specifically, the load acting on the rotation restricting plate 52 from the intermediate stopper lever 44 is applied toward the F1 direction, which is the rotation direction around the support shaft 44x in FIG. The load in the rotational direction acts most strongly at a position far from the support shaft 44x, that is, at a position indicated by a symbol K in FIG. Since the support shaft 45x is positioned approximately on the extension in the direction of the arrow F1 with respect to the K position, the support shaft 45x can receive a compressive load more effectively. Here, by providing the reinforcing pin 56 at a position closer to the contact portion 52a than the support shaft 45x, the structure is more excellent in strength than receiving the load only by the support shaft 45x. Further, as can be seen from FIG. 7, the rotation restricting plate 52 itself has a thickness as compared with the thin plate-like members such as the upper plate 41 and the lower plate 42, so that the load from the intermediate stopper lever 44 is inputted. Hard to bend when

  Further, when a load input from the intermediate stopper lever 44 to the rotation restriction plate 52 is large, a positional deviation in the plane direction is induced between the upper plate 41 and the lower plate 42 that support the rotation restriction plate 52. Power works. In addition, there may be a force that increases the distance between the upper plate 41 and the lower plate 42. The reinforcing pin 56 has a function of preventing displacement and deformation between the upper plate 41 and the lower plate 42 against such a force.

  In the present embodiment, the end of the rotation restricting plate 52 opposite to the contact portion 52a is stopped at the position of the support shaft 43x. If structurally possible, the end is inserted into the front fixing bolt 58F. The rotation restricting plate 52 may be extended to the position where it is placed. By doing so, the load is distributed also to the fixing bolt 58F, and the structure is more excellent in strength.

  When the moment exerted by the intermediate stopper lever 44 cannot be received only on the rotation restricting plate 52 side, as a reaction, the intermediate stopper lever 44 is supported around the corresponding contact portion (position K in FIG. 6). A moment acts to rotate the shaft 44x in the clockwise direction in FIG. This moment acts as a load that pushes the support shaft 44x of the intermediate stopper lever 44 toward the rear fixing bolt 58R. In order to secure the strength against this load, the door-side stopper unit 40 includes a reinforcing plate 55.

  As shown in FIGS. 6 and 7, the reinforcing plate 55 is clamped and fixed to the upper plate 41 and the lower plate 42 in the vicinity of the rear end portion of the door-side stopper unit 40, and the rear fixed portion is fixed to the clamped portion. A through hole 55a through which the bolt 58R is inserted is formed. The reinforcing plate 55 also has a through hole through which the support shaft 44x is inserted at the front end portion on the opposite side to the sandwiched portion, and further has a through hole through which the support shaft 46x is inserted. Therefore, the aforementioned moment acting from the support shaft 44x of the intermediate stopper lever 44 toward the fixing bolt 58R acts as a compressive load on the reinforcing plate 55. This compressive load is received by the fixing bolt 58R inserted through the reinforcing plate 55, and further by the support shaft 46x. Further, as can be seen from FIG. 7, the reinforcing plate 55 itself has a thickness as compared with the thin plate-like members such as the upper plate 41 and the lower plate 42, so that the load from the support shaft 44 x side of the intermediate stopper lever 44 is increased. Is difficult to bend when.

  In summary, when the intermediate stopper lever 44 in the protruding position is brought into contact with the intermediate stopper arm 27 on the body side, as shown in FIG. 6, the contact portion between the intermediate stopper lever 44 and the rotation restricting plate 52 (see FIG. 6). A load (compressive load) acts in the front-rear direction around the (K position). The load acting forward is input to the rotation restricting plate 52, and the fully open holding hook 43 positioned in front of the intermediate stopper lever 44 and the support shaft 43 x of the first ratchet 45 through the turn restricting plate 52. 45x and the reinforcing pin 56. Further, the load acting on the rear side is input to the reinforcing plate 55 and is received by the support shaft 46x of the second ratchet 46 and the fixing bolt 58R via the reinforcing plate 55 located behind the intermediate stopper lever 44. The support shafts 43x, 45x and 46x that receive the load, the reinforcing pin 56, and the fixing bolt 58R are supported and fixed to the upper plate 41 and the lower plate 42, respectively, and the upper plate 41 and the lower plate 42 are slid. It is fixed to the lower arm 32 on the door 13 side. Therefore, the load applied to the intermediate stopper lever 44 can be absorbed by the entire box-shaped structure of the door side stopper unit 40 including the upper plate 41 and the lower plate 42, and the intermediate stopper lever 44 is placed in the center of the door side stopper unit 40. Sufficient strength can be secured even if it is pivotally supported by the part.

  As described above, the door-side stopper unit 40 has a structure that has sufficient strength against a collision load from the slide door 13 while pivotally supporting the intermediate stopper lever 44 at a substantially central portion. In addition to this, as will be described below, the body-side stopper unit 20 is also configured to have a sufficient strength against a collision load applied from the slide door 13.

  As described above, when the slide door 13 is slid to the fully open position, the contact portion 31 of the lower arm 32 contacts (collises) with the fully open stopper portion 22 a of the fully open stopper bracket 22. Here, when the slide door 13 is slid swiftly to the fully open position, a strong collision load is applied to the fully open stopper bracket 22 to which the contact portion 31 of the lower arm 32 abuts. Specifically, since the fully open stopper bracket 22 is a protruding member fixed to the base plate 21 by the welded portion WE1, a moment is applied to press the downward extending arm 22c in the direction of arrow F2 in FIG. This moment acts as a force for bending the fully open stopper bracket 22 and the bracket support portion 21c upward, or a force for peeling the fixed support portion 22b of the stopper bracket 22 from the bracket support portion 21c.

  However, the structure using the reinforcing plate 23 can prevent deformation and breakage around the fully open stopper bracket 22. As shown in FIG. 10, the first fixing portion 23 a that is one end portion of the reinforcing plate 23 is fixed to the back surface side of the fully open stopper portion 22 a of the downwardly extending arm 22 c by the welding portion WE <b> 2. The second fixing portion 23b, which is the other end, is extended to the upper surface side of the base plate 21 opposite to the lower surface side that supports the fully open stopper bracket 22, and welded to the upper surface side of the step panel mounting portion 21b of the base plate 21. It is fixed by the part WE3. The welded portion WE3 is located in the door closing direction (forward) with respect to the sliding door 13 in the forward / backward direction than the first fixed portion 23a (welded portion WE2). In the reinforcing plate 23, the intermediate portion 23c that connects the first fixing portion 23a and the second fixing portion 23b is substantially parallel to the direction of the bending load that attempts to bend the fully-open stopper bracket 22 and the bracket support portion 21c upward. C-shaped. Therefore, the moment for pressing the downwardly extending arm 22c of the fully open stopper bracket 22 in the direction of the arrow F2 acts as a compressive load on the reinforcing plate 23, and this load is received by the step panel mounting portion 21b of the base plate 21.

  As shown in FIG. 2, the base plate 21 is attached to the step panel 11b via front and rear fixing bolts 24F, 24R and nuts 25F, 25R. The front and rear mounting portions of the base plate 21 are generally positioned side by side in the forward / backward direction of the slide door 13, and the reinforcing plate 23 is also positioned side by side with the front and rear mounting portions in the forward / backward direction of the slide door 13. . In the base plate 21, the region connecting the front and rear mounting portions is a region having particularly high rigidity. Therefore, according to this positional relationship, a load acting on the reinforcing plate 23 can be received by a portion of the base plate 21 having particularly high rigidity. More specifically, the welded portion WE3, which is a fixed portion of the second fixing portion 23b of the reinforcing plate 23, is positioned adjacent to the rear fixing bolt 24R, and the load is applied from the second fixing portion 23b side to the base plate 21 side. Can act, it is possible to disperse the load from the nearest fixing bolt 24R to the step panel 11b side.

  Further, as shown in FIG. 2, the second fixing portion 23b of the reinforcing plate 23 extends forward to a position where the base plate 21 and the step panel 11b overlap with each other, and the second fixing portion 23b (welded portion WE3). Are overlapped not only with the base plate 21 but also with the step panel 11b in the vertical direction of the vehicle. That is, the load input to the reinforcing plate 23 is received by the step panel 11 b in addition to the base plate 21. The step panel 11b is a fixing member that receives the weight of the passenger entering and exiting the boarding port 11a and has high rigidity.

  Further, as can be seen from FIGS. 8 to 11, the intermediate portion 23 c of the reinforcing plate 23 is fitted into the slit 28, so that the deformation of the reinforcing plate 23 in the thickness direction is suppressed. When the sliding door 13 is fully opened, there is a possibility that the contact portion 31 of the lower arm 32 is inclined and hits the fully opened stopper portion 22a. In this case, not only a compressive load but also a load in the twisting direction acts on the reinforcing plate 23, but the middle portion 23 c of the reinforcing plate 23 is fitted in the slit 28, thereby preventing torsional deformation. The reinforcing plate 23 that is prevented from being twisted reliably transmits the load to the step panel mounting portion 21b, so that the above-described even when the contact angle of the contact portion 31 of the lower arm 32 with respect to the fully open stopper portion 22a is inclined. A reinforcing effect can be obtained with certainty.

  As shown in FIGS. 8 and 9, the slit 28 is opened at the rear end portion of the bracket support portion 21 c of the base plate 21 and the fixed support portion 22 b of the fully open stopper bracket 22. At the time of assembly, the reinforcing plate 23 may be inserted into the slit 28 from the rear end opening, and the assembling work can be easily performed.

  As described above, the collision load applied to the fully open stopper bracket 22 (downward extending arm 22c) is not received only by the fully open stopper bracket 22 and the bracket support portion 21c that supports it, but via the reinforcing plate 23. Since the load is applied to the step panel mounting portion 21b and the step panel 11b, the body side can be protected against the collision load when the sliding door 13 is fully opened without taking the structure of receiving the collision load with the pillar extending in the vertical direction of the body. Sufficient strength can be obtained with the stopper unit 20. That is, the degree of freedom of arrangement is improved without deteriorating the strength of the fully open stopper mechanism.

It is an external appearance perspective view which shows a part of sliding door and vehicle body to which this invention is applied. It is a sectional side view which shows the attachment state of the body side stopper unit to the step panel in the boarding port lower part of a vehicle body. It is a top view which shows the operation state of the door side stopper unit and body side stopper unit in a sliding door fully closed state. It is a top view which shows the operation state of the door side stopper unit and body side stopper unit in a sliding door middle open state. It is a top view which shows the operation state of the door side stopper unit and body side stopper unit in a sliding door full open state. It is a top view of the state which removed the upper plate for demonstrating the reinforcement structure in a door side stopper unit. It is a side view of a door side stopper unit. It is a disassembled perspective view of a body side stopper unit. It is a top view of a body side stopper unit. It is a side view of a body side stopper unit. It is the figure which looked at the body side stopper unit from diagonally backward.

Explanation of symbols

11 Vehicle body 11a Entrance / exit 11b Step panel 13 Sliding door 15 Window glass 20 Body side stopper unit 21 Base plate 22 Fully open stopper bracket 23 Reinforcement plate 26 Fully open striker 27 Intermediate stopper arm 28 Slit 30 Door panel 32 Lower arm 40 Door side stopper unit 41 Upper Plate 42 Lower plate 43 Fully open holding hook 44 Intermediate stopper lever 45 First ratchet 46 Second ratchet 50 54 Cable 52 Rotation restriction plate 55 Reinforcement plate 56 Reinforcement pin

Claims (4)

A sliding door that can be opened and closed at the entrance of the vehicle body, a fully-open locking mechanism that locks the sliding door in the fully-open position, and an intermediate position that reaches the fully-open position when the opening degree of the window glass of the slide door is greater than or equal to a predetermined value. An intermediate stopper mechanism that stops the sliding door in the open position;
The full-open lock mechanism includes a full-open holding hook that is rotatable to a lock position that engages a full-open holding striker provided on the vehicle body side, and an unlock position that releases the engagement with the full-open holding striker, and the full-open holding hook. A hook rotation control member capable of rotating between a rotation restricting position for holding the holding hook in the unlock position and a rotation allowable position allowing rotation to the lock position;
The intermediate stopper mechanism has an intermediate stopper mechanism having an intermediate stopper lever that is rotatable to a protruding position that contacts an intermediate stopper member provided on the vehicle body side and an idle position that does not contact the intermediate stopper member. In sliding door,
A pair of support plates for supporting the first rotation shaft for the fully open holding hook, the second rotation shaft for the hook rotation control member, and the third rotation shaft for the intermediate stopper lever;
A fixing bolt for fixing the pair of support plates to the sliding door;
At least one of the first rotation shaft and the second rotation shaft is inserted and fixed between the pair of support plates. When the intermediate stopper lever rotates to the protruding position, the intermediate stopper lever A first shaft insertion member that contacts and defines the pivot end;
When the intermediate stopper lever is rotated to the protruding position, the intermediate stopper lever receives a force to rotate about the contact portion with the first shaft insertion member, and inserts at least the third rotation shaft and the fixing bolt. A second shaft insertion member fixed between the pair of support plates;
A sliding door having an intermediate stopper mechanism. 2. A slide door having an intermediate stopper mechanism according to claim 1, wherein at least one of the first and second rotation shafts inserted through the first shaft insertion member is provided with an intermediate stopper lever at the protruding position. A slide door having an intermediate stopper mechanism, which is provided at a position to receive a compressive load applied to the first shaft insertion member when abutting against the intermediate stopper member on the side. 3. A slide door having an intermediate stopper mechanism according to claim 1 or 2, wherein the slide door is rotatable between a rotation restricting position for holding the intermediate stopper lever at the idle position and a rotation allowing position for allowing rotation to the protruding position. A lever rotation control member, and the pair of support plates support a fourth rotation shaft for the lever rotation control member;
The slide door having an intermediate stopper mechanism, wherein the fourth rotation shaft is further inserted into the second shaft insertion member. The slide door having the intermediate stopper mechanism according to any one of claims 1 to 3, wherein the pair of support plates are further positioned closer to the intermediate stopper lever than the first and second rotating shafts, A slide door having an intermediate stopper mechanism having an auxiliary pin inserted into one shaft insertion member.

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