JP2015199425A - Door lock structure of center pillar-less vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To avoid that the rigidity of a locker rail is partially lowered by making constant a cross section contour of the locker rail in a vehicle fore-and-aft direction.SOLUTION: This door lock structure of a center pillar-less vehicle comprises a member 32 to be connected which is arranged at a locker rail 20 constituting a lower side of a door opening part of a cabin, and a connecting member 40 which is arranged at a lower part of a door 15 at a turning free end side, and constituted so as to be capable of connecting and releasing the connection with respect to the member 32 to be connected. The member 32 to be connected is arranged in the locker rail 20 which is formed into a cylindrical shape, and an opening 23x through which the connecting member 40 of the door 15 can pass when closing the door 15 is formed at the locker rail 20.

Description

  The present invention provides a center pillarless vehicle comprising: a connected member provided on a rocker rail; and a connecting member provided at a lower portion of the door on the free rotation end side and configured to be connected to and disconnected from the connected member. This relates to the door lock structure.

  A technique related to a door lock structure of a center pillarless vehicle is described in Patent Document 1. As shown in FIG. 8A, the vehicle 100 includes a wide door opening 102 on the left side surface of the vehicle 100. The door opening 102 is configured to be opened and closed by a front door 105 and a rear door 107 in the form of a double door. The rear door 107 is connected to the upper side and the lower side of the door opening 102 by an upper and lower door lock in a closed state. The front door 105 is connected to the front portion of the rear door 107 by a door lock at the center in the height direction in a closed state.

  The door lock on the lower side of the rear door 107 is composed of a striker 104 provided on the rocker rail 103 and a lock mechanism (not shown) provided at a lower portion of the front end of the rear door 107 and engageable with the striker 104. Yes. As shown in FIG. 8B, the door lock striker 104 is formed in a substantially inverted U shape by round steel or the like, and is attached to the upper surface of the rocker rail 103.

JP 2013-154659 A

  As described above, the striker 104 is attached to the upper surface of the rocker rail 103 in the lower door lock of the rear door 107. For this reason, for example, when the striker 104 must be lowered in accordance with the height position of the lock mechanism of the rear door 107, it is necessary to make the upper surface of the rocker rail 103 lower than other portions in accordance with the striker 104. . In this case, the cross-sectional area of the rocker rail 103 becomes small near the position where the striker 104 is attached, and the strength of the rocker rail 103 is partially reduced. Furthermore, since the upper surface of the rocker rail 103 to which the striker 104 is attached becomes lower than other portions, the appearance of the rocker rail 103 when the door is opened is lowered.

  The present invention has been made to solve the above-described problems, and the problem to be solved by the present invention is that the cross-sectional outer shape of the rocker rail can be made constant in the vehicle longitudinal direction, and the strength of the rocker rail is increased. It is to prevent partial deterioration and to prevent the appearance of the rocker rail from deteriorating.

The above-described problems are solved by the inventions of the claims.
The invention according to claim 1 is provided with a connected member provided on a rocker rail constituting a lower side of a door opening of a passenger compartment, and provided at a lower portion of the door at a free rotation end side, and connected to and connected to the connected member. A door lock structure for a center pillarless vehicle including a connecting member configured to be releasable, wherein the connected member is provided inside the rocker rail formed in a cylindrical shape, and the rocker rail includes An opening is formed through which a connecting member of the door can pass when the door is closed.

  According to the present invention, the connected member is mounted inside the rocker rail. For this reason, when adjusting the height position of a to-be-connected member according to the height position of the connection member of a door, it becomes unnecessary to change the external shape of the said rocker rail. Therefore, the outer shape of the cross section of the rocker rail can be made constant in the vehicle longitudinal direction, and the strength of the rocker rail is not partially reduced. In addition, the appearance of the rocker rail does not deteriorate.

  According to a second aspect of the present invention, the outer shape of the cross section of the rocker rail is characterized in that a portion of the rocker rail excluding both longitudinal ends is constant in the longitudinal direction.

  According to the invention of claim 3, the rocker rail is provided with a receiving member disposed on the upper side of the connecting member of the door connected to the connected member, and the door is placed on the vehicle interior side by receiving a collision load. When moving, the case portion of the connecting member is configured to be able to engage with the receiving member.

  Thus, since the receiving member inside the rocker rail and the case portion of the door connecting member can be engaged, when the collision load is applied to the door, the member to be connected to the rocker rail and the door connecting member The collision load is not concentrated only on the connecting portion. Therefore, it becomes difficult for the connecting member of the door to come off from the connected member of the rocker rail due to the collision load.

  According to a fourth aspect of the present invention, a share panel is provided inside the rocker rail so as to cross the interior space of the rocker panel in order to suppress deformation of the rocker rail, and the joint panel is connected to the share panel. A member is attached.

  As described above, since the shear panel can be used as a supporting part for the connected member in order to suppress the deformation of the rocker rail, the number of parts can be reduced.

  According to the present invention, since the cross-sectional outer shape of the rocker rail can be made constant in the longitudinal direction, the strength of the rocker rail is not partially reduced. In addition, the appearance of Rocker Rail does not deteriorate.

It is a model side view showing the door opening part of the center pillar-less vehicle provided with the door lock structure concerning Embodiment 1 of the present invention. It is a perspective view showing the striker and receiving member which constitute the rocker rail of a center pillar-less vehicle, and a lower door lock. It is a perspective view showing a mode that the lock mechanism of the front door (illustration omitted) was connected with respect to the striker shown in FIG. FIG. 4 is a cross-sectional view taken along arrows IV-IV in FIGS. 1 and 3. It is a VV arrow plane sectional view of FIG. It is the perspective view which looked at the relationship between the locking mechanism of the front door connected with the striker and the receiving member from the outside of the rocker rail. It is the perspective view which looked at the relationship between the locking mechanism of the front door connected with the striker and the receiving member from the inside of the rocker rail. It is a schematic side view (A figure) showing the door opening part of a center pillarless vehicle provided with the conventional door lock structure, and sectional drawing (B figure) showing the attachment structure of the striker with respect to a rocker rail.

[Embodiment 1]
Hereinafter, the door lock structure of the center pillar-less vehicle according to the first embodiment of the present invention will be described with reference to FIGS. Here, the center pillarless vehicle according to the present embodiment includes a wide door opening on the left and right side surfaces of the vehicle, and the door opening is opened and closed by a front door, a rear swing door and a sliding door. Vehicle. The door lock structure according to this embodiment is a mechanism that locks the lower rear portion of the front door to the periphery of the door opening when the front door is closed. Here, front and rear, left and right, and top and bottom in the figure correspond to front and rear, right and left and top and bottom of the vehicle.

<About the center pillarless vehicle 10>
Before describing the door lock structure of the center pillar-less vehicle according to the present embodiment, an outline of the center pillar-less vehicle 10 will be described.

  As shown in FIG. 1, the center pillarless vehicle 10 includes a wide door opening 10h on the left side surface of the vehicle. The door opening 10h is a front pillar 12 on the front side, a rear pillar 14 on the rear side, and a roof side on the upper side. It is formed in a state surrounded by the rail 18 and the lower rocker rail 20. The front half of the door opening 10h is configured to be openable and closable by a front door 15 (see a two-dot chain line), and the latter half of the door opening 10h is a slide door 16 (see a two-dot chain line). It is configured to be openable and closable. The front door 15 is connected to the front pillar 12 in a horizontally rotatable state by a pair of upper and lower hinge mechanisms (not shown). And the rotation free end side (rear end side) of the front door 15 is configured to be connectable to the roof side rail 18 and the rocker rail 20 by the upper and lower door locks 30u, 30d. Further, the rear end side of the slide door 16 is configured to be connectable to the rear pillar 14 by a door lock 30m at the center in the height direction.

<About Rocker Rail 20>
The rocker rail 20 is a cylindrical member constituting the lower side of the door opening 10h, and is provided between the front pillar 12 and the rear pillar 14 so as to extend in the vehicle front-rear direction, as shown in FIG. As shown in the cross-sectional view of FIG. 4, the rocker rail 20 includes a rocker inner 22 and a rocker outer 23 which are plate members bent into a substantially U-shaped cross section. Further, the rocker rail 20 includes a share panel 24 that is disposed vertically between the rocker inner 22 and the rocker outer 23 and suppresses deformation of the rocker rail 20, and a decorative outer panel 26 that covers the surface of the rocker outer 23. .

  The rocker inner 22, the shear panel 24, the rocker outer 23, and the outer panel 26 are respectively formed with vertically oriented flange portions 22 f, 24 f, 23 f, and 26 f at the upper edge and the lower edge. The upper and lower flange portions 22f of the rocker inner 22 are aligned with the upper and lower flange portions 24f of the shear panel 24 from the inside, and are fixed to each other by spot welding or the like. Further, the upper and lower flange portions 23f of the rocker outer 23 are aligned with the upper and lower flange portions 24f of the shear panel 24 from the outside, and are fixed to each other by spot welding or the like. The upper and lower flange portions 26f of the outer panel 26 covering the rocker outer 23 are fixed to the upper and lower flange portions 22f and 24f of the rocker inner 22 and the shear panel 24 by spot welding or the like. Thereby, the rocker rail 20 is comprised by the cylinder shape.

  As shown in FIG. 4, a weather strip 10 w that seals between the peripheral edge of the door opening 10 h and the front door 15 and the slide door 16 is attached to the upper flange portions 22 f, 24 f, and 26 f of the rocker rail 20.

  Further, on the outer surface of the rocker rail 20, that is, the outer surface of the outer panel 26 and the rocker outer 23, a rectangular opening 23x is formed at a position corresponding to the door lock 30d below the front door 15, as shown in FIG. Is formed. In FIG. 2 and the like, the weather strip 10w is omitted.

<About the door lock 30d on the lower side of the front door 15>
As shown in FIGS. 3 and 4, the lower door lock 30 d of the front door 15 includes a striker 32 and a receiving member 50 provided inside the rocker rail 20, that is, inside the opening 23 x, and the front door 15. The lock mechanism 40 is provided at a lower portion of the rotation free end side of the, and is configured to be connected to and released from the striker 32.

<About the striker 32 of the door lock 30d>
As shown in FIG. 2, the striker 32 includes a striker shaft 34 and a bracket 36. The striker shaft 34 is formed in a substantially U shape by upper and lower horizontal bar portions 34u, 34d extending in the left-right direction and a vertical bar portion 34w connecting the distal ends of the horizontal bar portions 34u, 34d. And the base end part of the upper and lower horizontal bar parts 34u and 34d of the striker shaft 34 is attached to the shear panel 24 of the rocker rail 20 by the flange-like bracket 36, as shown in FIG. The striker 32 is configured such that the lock mechanism 40 of the front door 15 is coupled to the position of the vertical bar portion 34w of the striker shaft 34, as shown in FIGS. That is, the striker 32 corresponds to the connected member of the present invention.

<About the lock mechanism 40 of the door lock 30d>
As shown in FIG. 4, a recess 15k formed in a cutout shape having a square cross section is formed in the lower portion of the inner panel 15e of the front door 15 so as to extend in the vehicle front-rear direction. And when the said front door 15 is closed, it is comprised so that the outer panel 26 (rocker outer 23) of the rocker rail 20 may enter relatively with respect to the said hollow part 15k. A lock mechanism 40 is attached to the recess 15k of the front door 15 at a position corresponding to the opening 23x (the striker 32) of the rocker rail 20. And when the front door 15 is closed, the front-end | tip part of the locking mechanism 40 is inserted in the opening 23x of the rocker rail 20, as shown in FIG.

  As shown in FIGS. 3 to 5, the lock mechanism 40 includes a case portion 41, a hook 43 (see FIG. 5) configured to be engageable with the striker shaft 34, and a lock that holds the hook 43 in the engagement position. A claw 45 (see FIG. 5) and a lock release lever (not shown) for rotating the lock claw 45 in the unlocking direction are provided.

  As shown in FIGS. 3 and 4, the case portion 41 is formed in a box shape having an L-shaped cross section from a case lower portion 41 z that is long in the left-right direction and a case vertical portion 41 y that is long in the vertical direction. A pair of front and rear vertical flange portions 41w are formed on the back side of the (case vertical portion 41y). Similarly, a pair of front and rear upward flange portions 41u are formed on the upper surface side of the case portion 41 (case vertical portion 41y). As shown in FIG. 4, the case portion 41 has a vertical flange portion 41 w on the back side fixed to the vertical wall portion of the recess portion 15 k of the front door 15 by a bolt B, and an upward flange portion 41 u on the upper surface side is also a recess portion. It is fixed to the front door 15 by being bolted to the 15k ceiling.

  As shown in FIG. 5, the striker shaft 34 of the striker 32 fixed to the rocker rail 20 (share panel 24) is relative to the center of the tip of the case lower portion 41z of the case portion 41 in the process of closing the front door 15. An opening 41f is formed so that it can be inserted into the opening 41f. Further, as shown in FIG. 5, a hook 43 configured to be engageable with the vertical bar portion 34w of the striker shaft 34 is accommodated in the case lower portion 41z so as to be horizontally rotatable around the hook rotation shaft 43c. ing. The hook 43 is formed with a notch-shaped engaging portion 43k configured to be able to engage with the vertical bar portion 34w of the striker shaft 34. The hook 43 is held by a spring force at a lock release position where the release portion of the engaging portion 43k faces the opening 41f of the case lower portion 41z. When the striker shaft 34 of the striker 32 is inserted into the engaging portion 43k of the hook 43 from the opening 41f of the case lower portion 41z in the process of closing the front door 15, the hook 43 is pushed by the striker shaft 34 and is spring-loaded. It turns counterclockwise to the lock position shown in FIG. Thereby, the hook 43 and the vertical bar part 34w of the striker shaft 34 are engaged.

  A lock claw 45 that holds the hook 43 in the lock position (see FIG. 5) against the spring force is housed in the case lower portion 41z in a state that can be horizontally rotated about the claw rotation shaft 45c. For this reason, the hook 43 rotated to the left to the lock position is held at the lock position by the action of the lock claw 45. As a result, the striker 32 and the hook 43 of the lock mechanism 40 are held in an engaged state, and the front door 15 is closed and locked.

  Here, with the hook 43 of the lock mechanism 40 and the vertical bar portion 34w of the striker 32 (striker shaft 34) engaged, as shown in FIG. 4, the horizontal bar portion 34u on the upper side of the hook 43 and the striker shaft 34 is provided. The dimension in the height direction is set to H1.

  The case lower part 41z accommodates a lock release lever (not shown) that rotates the lock claw 45 in a lock release direction against a spring force. For this reason, when the lock claw 45 is rotated in the unlocking direction against the spring force by the lock release lever, the engagement between the lock claw 45 and the hook 43 is released, and the hook 43 is moved to the unlocked position by the spring force. Returned. Thereby, the engagement state of the striker 32 and the hook 43 of the lock mechanism 40 is released, and the front door 15 can be opened. Here, the lock release lever is configured to be interlocked with an unlock operation portion provided on a handle (not shown) of the front door 15. That is, the lock mechanism 40 corresponds to the connecting member of the present invention.

<About the receiving member 50 of the door lock 30d>
The receiving member 50 is a gate-type gantry configured such that the case portion 41 of the lock mechanism 40 is hooked when a side collision load is applied to the front door 15 and the front door 15 tries to enter the indoor side. As shown in FIGS. 6, 7, and the like, the receiving member 50 includes a front vertical wall portion 52, a rear vertical wall portion 53, and a beam-shaped receiving main body portion 54 that connects upper portions of the front and rear vertical wall portions 52 and 53. It consists of and. As shown in FIG. 2, the front vertical wall portion 52 of the receiving member 50 is installed so as to cross the cylindrical space formed by the rocker outer 23 and the shear panel 24 on the front side of the opening 23 x of the rocker rail 20. . The front vertical wall portion 52 has a flange portion 52f formed around it fixed to the inner wall surface of the rocker outer 23 by welding or the like. Further, the rear vertical wall portion 53 of the receiving member 50 is installed on the rear side of the opening 23x of the rocker rail 20 so as to cross the cylindrical space constituted by the rocker outer 23 and the shear panel 24. . The rear vertical wall portion 52 also has a peripheral flange portion 52f fixed to the inner wall surface of the rocker outer 23 by spot welding or the like.

  The receiving main body portion 54 of the receiving member 50 is a portion where the case portion 41 of the locking mechanism 40 is actually hooked, and as shown in FIG. 2, the front vertical wall portion 52 and the rear vertical wall portion 52 at a position higher than the opening 23x of the rocker rail 20. It is passed between the side vertical wall portions 53. As shown in FIG. 4, the receiving body portion 54 of the receiving member 50 is a strip-like plate formed in a substantially inverted trapezoidal cross section, and both longitudinal end portions (front and rear end portions) thereof are shown in FIGS. As shown in FIG. 5, the flange portion 54f is formed by bending downward at a right angle. The front and rear flanges 54f of the receiving body 54 are fixed to the front vertical wall 52 and the rear vertical wall 53 by spot welding or the like.

  Here, the dimension H2 in the height direction between the receiving body portion 54 of the receiving member 50 and the case portion 41 of the locking mechanism 40 is as shown in FIG. 4 in the horizontal direction above the hook 43 and the striker shaft 34 of the locking mechanism 40. It is set sufficiently smaller than the dimension H1 in the height direction between the rod portions 34u.

<Operation of door lock 30d (lower side)>
In order to release the locked state of the door lock 30d on the lower side of the front door 15, a lock release operation portion (not shown) provided on the front door 15 is operated. Thereby, the lock release lever (not shown) of the lock mechanism 40 on the front door 15 side rotates the lock claw 45 in the lock release direction against the spring force. As a result, the engagement between the lock claw 45 and the hook 43 is released, and the hook 43 is returned to the unlock position by a spring force. Thereby, the engagement state between the striker 32 on the rocker rail 20 side and the hook 43 of the lock mechanism 40 is released. That is, the locked state of the door lock 30d is released. The locked state of the upper door lock 30u is released in conjunction with the unlocking of the lower door lock 30d. As a result, the front door 15 can be opened.

  When the door lock 30d on the lower side of the front door 15 is locked, the front door 15 is closed. Thereby, in the process of closing the front door 15, as shown in FIG. 3, the lock mechanism 40 provided on the front door 15 is inserted into the opening 23 x of the rocker rail 20. Then, by inserting the lock mechanism 40 into the opening 23x of the rocker rail 20, the striker shaft 34 of the striker 32 fixed in the rocker rail 20 is relatively moved as shown in FIG. 41z) into the opening 41f. Thus, the striker shaft 34 is inserted into the engaging portion 43k of the hook 43 of the lock mechanism 40, and the hook 43 is rotated counterclockwise in the direction of the lock position against the spring force. Then, when the hook 43 is rotated to the left to the lock position, the hook 43 and the vertical bar portion 34w of the striker shaft 34 are engaged with each other as shown in FIG. Retained. In this state, the locking mechanism 40 (hook 43) of the front door 15 and the striker 32 (striker shaft 34) on the rocker rail 20 side are engaged, and the door lock 30d on the lower side of the front door 15 is locked. Become.

  When the door lock 30d is in the locked state, as described above, the dimension H2 in the height direction between the receiving body portion 54 of the receiving member 50 and the case portion 41 of the locking mechanism 40 is, as shown in FIG. Is set to be sufficiently smaller than the dimension H1 in the height direction between the hook 43 and the upper horizontal bar portion 34u of the striker 32 (the striker shaft 34). For this reason, when the front door 15 tries to move toward the vehicle interior side under a side collision load, first, the case portion 41 of the lock mechanism 40 is applied to the receiving main body portion 54 of the receiving member 50, and the collision load is applied to the receiving member. It is received by the rocker rail 20 through 50. Thereafter, the hook 43 of the lock mechanism 40 is hooked on the upper horizontal bar portion 34 u of the striker 32. For this reason, the collision load does not concentrate only on the connecting portion between the striker 32 and the lock mechanism 40. Therefore, the locking mechanism 40 of the front door 15 is difficult to come off from the striker 32 due to the collision load.

<Advantages of the door lock structure according to this embodiment>
According to the door lock structure according to the present embodiment, the striker 32 (connected member) is attached to the inside of the rocker rail 20. For this reason, when adjusting the height position of the striker 32 according to the height position of the lock mechanism 40 (connection member) of the front door 15, it is not necessary to change the external shape of the rocker rail 20. Therefore, the outer shape of the cross section of the rocker rail 20 can be made constant in the vehicle front-rear direction, and the strength of the rocker rail 20 is not partially reduced. Further, the appearance of the rocker rail 20 does not deteriorate.

  Further, when a side collision load is applied to the front door 15, the case portion 41 of the lock mechanism 40 of the front door 15 engages with the receiving member 50 inside the rocker rail 20, so that the lock mechanism 40 and the striker 32 are engaged. The collision load is not concentrated only on the connecting portion. Therefore, the lock mechanism 40 of the front door 15 is difficult to come off from the striker 32 of the rocker rail 20 due to the collision load. In addition, since the shear panel 24 can be used as a support part for the striker 32 in order to suppress deformation of the rocker rail 20, the number of parts can be reduced.

<Example of change>
Here, the present invention is not limited to the above-described embodiment, and can be modified without departing from the gist of the present invention. For example, in the present embodiment, an example in which the striker 32 is provided on the rocker rail 20 side and the lock mechanism 40 is provided on the front door 15 side is shown. However, it is also possible to provide the lock mechanism 40 on the rocker rail 20 side and the striker 32 on the front door 15 side.

  In the present embodiment, the example in which the receiving member 50 is configured by the front and rear vertical wall portions 52 and 53 and the beam-shaped receiving main body portion 54 has been described. However, the front and rear vertical wall portions 52 and 53 and the receiving main body portion 54 are illustrated. It is also possible to form a single body. Moreover, in this embodiment, the example which applies this invention to the door lock 30d of the lower side of the front door 15 was shown. However, for example, the present invention can also be applied to a door lock on the lower side of the free rotation end of a rear door connected to the rear pillar so as to be horizontally rotatable.

10h: door opening 15 ... front door 20 ... rocker rail 23x ... opening 24 ... share panel 32 ... striker (connected member)
40... Lock mechanism (connection member)
41 ··· Case 50 ··· Receiving member

Claims (4)

A connected member provided on a rocker rail that forms the lower side of the door opening of the passenger compartment, and a connection provided at the lower part of the door on the free rotation end side and configured to be connected to and disconnected from the connected member. A door lock structure of a center pillarless vehicle comprising a member,
The connected member is provided inside the rocker rail formed in a cylindrical shape,
A door lock structure for a center pillarless vehicle, wherein the rocker rail is formed with an opening through which a connecting member of the door can pass when the door is closed. A door lock structure for a center pillarless vehicle according to claim 1,
The center pillar-less vehicle door lock structure is characterized in that the outer shape of the cross section of the rocker rail is constant in the longitudinal direction except for both ends in the longitudinal direction of the rocker rail. A door lock structure for a center pillar-less vehicle according to any one of claims 1 and 2,
A receiving member is provided inside the rocker rail and is disposed on the upper side of the connecting member of the door connected to the connected member. When the door is about to move to the vehicle interior side due to a collision load A door lock structure for a center pillar-less vehicle, wherein the case portion of the connecting member is configured to engage with the receiving member. A door lock structure for a center pillarless vehicle according to any one of claims 1 to 3,
In the interior of the rocker rail, in order to suppress deformation of the rocker rail, a shear panel is provided so as to cross the interior space of the rocker panel, and the connected member is attached to the shear panel. A door lock structure for a center pillarless vehicle.

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