JP2009191590A - Door lock device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door lock device capable of reducing cost and weight of the device by rotating a motor forward and backward and operating two latches sequentially by one motor. <P>SOLUTION: This device is provided with: the door 4 for opening and closing a door opening part 3; a locking part J1 on one side and a locking part J3 on the other side provided on both sides of the door opening part to hold the door in a closed position D1 by meshing latches 661, 671 supported on either of the door and an opening fringe part 3 with strikers 662, 672 fixed on the other of them; latch driving means 70, 80 for switching each latch from a half latch condition into a full latch condition for the strikers opposing to the latches; and a controlling means 30 for driving and controlling the latch driving means. The controlling means 30 drives and controls the latch driving means to switch the locking part J3 on the other side into the full latch condition after upper and lower locking parts J1, J2 on one side are switched into the full latch condition when the door 4 moves to the closed position. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a door locking device that opens and closes a doorway provided on a side wall of a vehicle.

One of the door opening and closing methods for opening and closing the vehicle door opening is a sliding opening and closing method using a support unit having a slide mechanism. In a vehicle equipped with this sliding door, the side roof rail that forms the upper part of the door opening, the side sill that forms the lower part of the door opening, and the sliding door are used to slide the sliding door in the longitudinal direction of the vehicle. In many cases, a slide mechanism is provided at the center of the rear end side at the top and bottom. However, when the slide mechanism is provided in the side roof rail or the side sill, the cross section of the side roof rail or the side sill becomes large, and the height of the door opening is restricted, or the amount of protrusion to the vehicle interior becomes large.
Therefore, as shown in Patent Document 1, a vehicle is proposed that includes a swing slide door that supports a slide door slidably in the vehicle front-rear direction only at its center portion, and eliminates a slide mechanism from the side roof rail or side sill. Yes.

By the way, when the door opening of the vehicle is held in a closed state by the swing slide door, as shown in FIG. 15, the lock portion constituted by the latch 110 and the striker 114 is placed between the center pillar 209 and the front panel end of the rear door 204. A pair of upper and lower parts are attached to each other and fixed between the rear pillar pillar 112 and the rear end of the rear door 204 panel. Here, the swing slide door 204 is moved in the vehicle longitudinal direction X by the door opening and closing device. In this case, the swing slide door 204 swings and is displaced by the parallel link 200 or the like to reach the closed position D1. At this time, the swing slide door is locked to the door opening by the latches in the two upper and lower lock portions Jf and the rear rear lock portions Jr engaging the strikers.
By the way, in the case of an electric swing slide door, conventionally, there are two latches, one latch for interlocking the two upper and lower lock portions Jf on the front side of the rear door 204 and the latch for the rear rear lock portion Jr. The doors were closed by pulling them simultaneously, that is, by switching from a half latch to a full latch.

Patent No. 2049752

As described above, in the case of the conventional electric swing slide door, the lock device requires two motors, and thus there are problems of weight increase and cost increase. Also, since the front and rear motors of the respective latches are pulled in synchronously, if there is a difference in the pull-in speed of the locking device, the approach angle of the latch with respect to the striker is different from the design value, which adversely affects the door closing performance. There was a fear.
In addition, since the two motors operate simultaneously, there is a problem that the operation noise is loud.
In addition, it is possible to operate two latches deployed in front and rear of the door simultaneously by rotating in one direction using a single motor, but in that case, a motor with higher power is required, which increases cost and layout. It causes sexual deterioration.

In addition, even if one latch is closed due to the variation of the two latches arranged at the front and rear of the door, the motor will continue to operate if the other latch is not closed. There is a risk of damage due to excessive load on the latch.
The present invention has been made on the basis of the above-described problems. The object of the present invention is to operate two latches sequentially with one motor by using normal rotation / reverse rotation of the motor, thereby reducing the cost and apparatus. An object of the present invention is to provide a door locking device capable of reducing the weight.

  According to a first aspect of the present invention, a door that opens and closes a door opening formed in a vehicle body, and a latch that is supported by either the door or the opening edge, is either the door or the opening edge. One of the plurality of lock portions provided on the peripheral edge of the door opening so as to hold the door in the closed position by meshing with a fixed striker. A lock portion, the other lock portion provided at the other opening edge of the door opening portion among the plurality of lock portions, and each latch of the plurality of lock portions are fully latched from a half latch state facing the striker A door locking device comprising: latch driving means for switching to a state; and control means for driving and controlling the latch driving means, wherein the control means is configured to move the door to the closed position. , And wherein said one driving controlling said latch drive means to switch the fully latched state the other-side lock portion after the side lock portion is switched to the fully latched state.

  Preferably, the front side of the vehicle is the one side lock part, and the rear side of the vehicle is the other side lock part.

  According to this configuration, since the approach locus of the rear end of the door is the same as or similar to that of the hinge door, a hinge door specification body, latch or striker can be used.

  According to a second aspect of the present invention, in the door locking device according to the first aspect, the one side lock portion is provided in two upper and lower sides on the one side opening edge side, and the latch for switching the other side lock portion to the full latch state is provided. The approach angle of the striker is set according to an arc centered on the meshing point of the one side upper and lower side lock part.

  According to the first aspect of the present invention, after the one side lock portion is fully latched, it is detected that the other side lock portion has reached the half latch state and then controlled to be switched to the full latch state. The rear part of the door pivots around the meshing point, ensuring an entry locus as designed, with little deviation in the latching and striker meshing operation, and stable wear, reducing noise and preventing abnormal noise. In addition, the operation noise of the motor of the latch driving means is reduced.

  In the invention of claim 2, the full latch approach angle of the other side lock portion is set in accordance with an arc centering on the pivot line connecting the meshing points of the two one side lock portions. There is little relative time shift, wear can be reduced more reliably, and abnormal noise can be prevented.

FIG. 1 shows a vehicle B to which a door locking device according to an embodiment of the present invention is applied. This vehicle B is a four-door vehicle having a center pillar 5, and includes a front door 2 that opens and closes the left and right front entrances and exits 1, and a swing slide door that opens and closes the left and right rear entrances and exits 3 (hereinafter simply referred to as a rear door). 4).
Here, each front door 2 is hinged at two front and lower positions h1 and h2, and the pivot end is locked to the rear lock portion Jf so that it can be detached by using a latch and striker (not shown) at the middle of the center pillar 5 up and down. Is done.

  On the other hand, the rear door 4 is supported by a swing slide unit U, which will be described later, and a closed position D1 that closes the rear entrance 3; a protruding position D2 that protrudes out of the vehicle from the closed position D1, and a fully open position that slides backward from the protruding position D2. D3 is slidably supported. In the closed position D1, the front door upper and lower lock portions J1 and J2 forming one side lock portion of the rear door 4 are removably locked to the center pillar 5 using a latch 661 and a striker 6662 as shown in FIG. As shown in FIG. 3, the rear end lock portion J3 forming the other side lock portion in the middle is detachably locked to the rear pillar 60b using a latch 671 and a striker 672.

  As shown in FIGS. 1 and 2, the front upper lock portion J <b> 1 is located on the front side in the closing direction of the rear entrance / exit 3, and includes a roof side rail 10 and a side sill 10 c that constitute the upper and lower portions of the rear entrance / exit 3. Near the center pillar 5 to be connected, here, the rear lock portion J3 is disposed on the rear pillar (rear pillar) 60b located on the rear side of the vehicle body of the rear entrance / exit 3 and the front lower lock portion. J2 is disposed near the center pillar 5 and here is disposed below the center pillar 5. In other words, the front upper lock portion J1 and the rear lock portion J3 are disposed above a door support rail 22 (to be described later) constituting the swing slide unit U, and the front lower lock portion J3 is disposed below the door support rail 22.

The rear door 4 held at the door closing position D1 is locked to the center pillar 5 using a latch 661 and a striker 662 that constitute the front upper lock portion J1 (the front lower lock portion J2 has the same configuration), and the rear lock portion. The rear pillar (rear pillar) 60b is locked by using a latch 671 and a striker 672 that constitute J3, and these locking portions J1, J2, and J3 are formed in a rear entrance / exit so as to form a triangular shape as shown in FIG. 3 is arranged around the circumference. As shown in FIGS. 4 and 3A, the strikers 662 of the front upper and lower lock portions J1 and J2 are bolts (not shown) on the outer panel 5a which is the opening edge of the center pillar 5. The striker 672 of the rear lock portion J3 is fastened and fixed to the rear pillar (rear pillar) 60b with a bolt (not shown).
The latches 661 of the front upper and lower lock portions J1, J2 and the latch 671 of the rear lock portion J3 are fixed to the inner panel 402 of the rear door 4 facing the strikers 662, 672 of the respective lock portions.

A weather strip (not shown) is attached to the outer peripheral edge of the rear door 4, and when the rear door 4 is held at the closed position D1 by this weather strip, the lock portions J1, J2, J3 arranged in a triangular shape are arranged. In response to the work, it can be tightly pressed against the entire circumference of the peripheral wall surface of the rear entrance / exit 3 to ensure sealing performance.
As shown in FIG. 3A, the striker 672 of the rear lock portion J3 attached to the rear door 4 is in the vertical direction of the front facing wall pf (see FIG. 1) that is an opening edge portion of the rear pillar (rear pillar) 60b. Is supported by a mounting surface kf formed at an intermediate portion.
A pillar reinforcing reinforcement 65 is integrally joined to the back surface of the front facing wall pf of the rear pillar (rear pillar) 60b. Thereby, the pillar reinforcement reinforcement 65 can reinforce the attachment surface kf1 which is an opening edge.

  Here, as will be described later with reference to FIG. 3A, the latch 671 of the rear lock portion J3 moves along the locus R1 from the outside of the vehicle toward the inside of the vehicle, as will be described later with reference to FIG. Meshes with the front shaft. In this case, when the rear door 4 moves to the closed position D1, the front vertical edge portion approaches the center pillar 5 by a parallel link 16 which will be described later, and receives a lock signal from a controller 30 (control means) which will be described above. The lock part J1 and the front lower lock part J2 are switched from the half latch state to the full latch state. As a result, the other side lock portion is integrated with the rear end side of the rear door 4 around a pivot line Lr (see FIG. 1) connecting the meshing points of the front upper lock portion J1 and the rear lock portion J3 which are one side lock portions. The rear lock portion J3 is configured to be rotationally displaced toward the inside of the vehicle.

Specifically, the locus of the latch 671 of the rear lock portion J3 advances to the unlatched position along the locus of the arc r1 when the rear door 4 swings the parallel link 16 as shown in FIGS. 3 (a) and 3 (b). The locus of r2 is taken until the half latch position b is reached through the same part. When the controller 30 (control means) enters lock control in response to detection of the half latch position, the fork portion q of the latch 671 starts to rotate in the lock direction. The axial shift amount of the striker 672 here is s1.
Further, at the half latch position p1, the front upper lock portion J1 and the front lower lock portion J2 at the front edge of the rear door 4 are simultaneously switched to the full latch state, thereby causing the forward pull-in movement and taking the locus of r3. The amount of shift in the axial direction of the striker 672 here is s2, which is the same amount as r3.

Next, the rear lock portion J3 on the rear end side of the rear door 4 takes the locus of r4 that pivots and displaces around the pivot line Lr toward the inside of the vehicle and heads toward the full latch. The fork portion q of the latch 671 continuously passes the full latch position d so as to engage with the striker 672 and proceeds to the overrun position e (idle rotation of the fork portion q). Take. The axial shift amount of the striker 672 here is s3.
Therefore, in consideration of such a locus, the mounting angle of the striker 672 and the direction of the latch 671 engaged with the striker 672 should be set so that the total amount of relative friction S (= s1 + s2 + s3) is smaller. Here, the striker 672 and the fork portion q of the latch 671 are set so as to be substantially orthogonal at the closed position D1, so that the engagement with the latch 661 can be performed smoothly.

  In some cases, it is assumed that a hinge door 4r is used in place of the swing slide door 4 as partially shown by a two-dotted line in FIG. In this case, a pivot shaft gland (not shown) connecting the upper and lower hinges (not shown) of the front edge of the hinge door 4r coincides with the pivot line Lr set in the front upper lock portion J1 and the front lower lock portion J2. The hinge door 4r is pivotally attached to the center pillar 5, and the rear lock portion J3 for the rear door 4 is attached to the rear end side of the hinge door 4r, and the striker 672 is attached to the attachment surface kf of the rear pillar (rear pillar) 60b. In addition, even when the hinge door 4r is moved along the locus R1 'from the outside of the vehicle toward the inside of the vehicle, it can easily reach the closed position D1 and be held by the full latch. Thus, by using the rear lock portion J3 and the striker 672 in common, the hinge door 4r can be easily employed instead of the swing slide door 4.

By the way, as shown in FIGS. 7A and 7B, in the rear door 4, there are front upper and lower lock portions J1 and J2 which are one side lock portions, and a rear lock portion J3 which is the other side lock portion. Latches for switching the respective latches of the counters from the half latch state to the full strike state (each operation of qcr1, qcr1 ′, cr2 in FIG. 7B) with respect to the opposing strikers 662, 672 (see FIGS. 3A and 4). A latch engagement driving means 70 and a latch release driving means 80 are provided as the driving means 70.
As shown in FIGS. 8 to 12, the latch engagement driving means 70 includes a motor 701 serving as a driving source and a swing operation member 702 driven by the motor, and the controller 30 (control means shown in FIGS. ) Is switched from the half-latch state to the full-latch state according to the mesh drive signal.

The swing operation member 702 includes a pinion gear on the motor 701 side and a plate-like main portion 704 provided with a curved rack gear that meshes with the pinion gear and reciprocally swings in one direction and the other direction around the rotation center axis. The other end of the coaxial cable 705 having one end connected to the plate-like main portion 704 is transmitted to the latch 661 (see FIG. 4) of the front upper lock portion J1 (one side lock portion) as a tension in the closing direction.
Further, as shown in FIGS. 9A and 9B, a pivot 707 (see FIG. 9) serving as a fulcrum of the pressing link 706 that is a swing displacement transmitting member is a pin on the other end side of the plate-like main portion 704. The rocking end is coupled to the latch 671 of the rear lock portion J3 (the other side lock portion) so as to be able to come into contact with and away from the latch 671 and transmit the pressing force in the closing direction.

As shown in FIGS. 11A, 11B, and 12, the pressing link 706 is pivotally supported at its fulcrum so as to be relatively displaceable coaxially with the pivot 707 of the plate-like main portion 704, and in the vicinity thereof, the plate-like main The claw portion of the engaging piece 708 whose one end is pin-coupled to the portion 704 is engaged with the pressing link 706, so that the rotational force of the plate-like main portion 704 is applied to the pressing link 706. In response to this, the pressing link 706 rotates around the pivot 707 so that the swinging end of the pressing link 706 applies a pressing force in the meshing direction to the fork q of the latch 671.
As shown in FIGS. 3A and 3B, the fork q of the latch 671 that has received the pressing force in the meshing direction rotates around the latch axis qs, meshes with the opposing striker 672, and exceeds a predetermined amount. In response to the meshing, the detent pawl 673 is engaged, and the meshing state of the striker 672 is maintained.

9A and 9B, the detent claw 673 here releases the release operation force of the release cable 801 (to be described later) on the latch release drive means 80 side via the link 801r. Can operate.
On the other hand, the fork q in the latch 661 of the front upper lock portion J1 (one side lock portion) is pivotally supported by a latch shaft (not shown), and a coaxial cable 705 is connected to the arm end on the other end side of the fork q. It rotates around meshing according to the tension from 705, meshes with and engages with the opposing striker 662, and maintains the meshed state with the striker 662. The detent claw (not shown) can be disengaged by the release operation force of the release cable 807 on the latch release driving means 80 side.

As shown in FIGS. 8A and 8B, the latch release driving means 80 includes a release arm 803 that is slid by a solenoid (not shown), and a branching operation that operates around the fulcrum pin 804 in conjunction with the release arm 803. A detent claw (not shown) in the latch 661 of the front upper lock portion J1 connected to the member 805, one swing end of the branch operation member 805 via the coaxial cable 807, and the other swing end of the branch operation member 805 A detent claw (not shown) in a latch 661 (same as the front upper lock portion J1) of the front lower lock portion J2 connected to the same via the coaxial cable 806, and the coaxial cable 808 to the other swing end of the branch operation member 805 And a detent claw 673 of the rear lock portion J3 that are connected via the front end.
The latch release drive means 80 rotates the branch operation member 805 around the fulcrum pin 804 in response to a lock release command from the controller 30 (control means) as shown in FIGS. 8 (a) (g) operation, and in conjunction with this, the detent pawls 673 of the front upper, lower lock parts J1, J2 and rear lock part J3 are simultaneously released, and the rear door 4 is closed. It is released from the position D1 and allowed to swing toward the protruding position D2.

As shown in FIG. 5, the controller 30 includes an engine key switch 900, an input panel switch 901, and half latch position sensors 902 for the front upper and lower lock portions J1, J2 and the rear lock portion J3. 903, 904 and full latch position sensors 905, 906, 907, and a motor 701 for driving a swing operation member 702 in a latch engagement driving means 70 connected to an output port (not shown), and a latch release driving means 80 And a release arm 801 driven by a solenoid (not shown). That is, the controller 30 performs door opening / closing control which will be described later, and in particular, when the door is moved to the closing position D1, the front upper and front lower locking portions J1 and J2 which are one side locking portions are switched to the fully latched state. The latch engagement driving means 70 and the latch release driving means 80 are driven and controlled so that the respective latches of the rear lock portion J3 which is the other side lock portion are switched from the half latch state to the full latch state with respect to the opposing strikers 662 and 672. .
As shown in FIGS. 1 and 7, the swing slide unit U, which is a main part of the door opening / closing device of the rear door 4, is formed in the vicinity of an intermediate portion in the vertical direction of the rear pillar 60 b provided along the rear entrance / exit 3 of the vehicle body. It is attached to the mounting recess T.

As shown in FIGS. 1, 4, and 6, the swing slide unit U that constitutes a main part of the door opening / closing device of the rear door 4 is located in the vicinity of an intermediate portion in the vertical direction of the rear pillar 60 arranged along the rear entrance / exit 3 of the vehicle body. It is attached to the formed mounting recess T.
As shown in FIGS. 7 and 13, the base member 15, which is the base of the swing slide unit U, forms a fixing member for the side wall of the vehicle body, and the base end of the parallel link 16 and the base end of the door load support arm 18. Then, the vehicle body side wiring portion 20b of the wire harness 20 supported by the door load support arm 18 (see FIG. 13), the cable ends poe, pce and the like of the opening / closing drive mechanism 19 are attached.
As shown in FIGS. 7 and 13, the base member 15 has a shape that retains rigidity, and pivotally supports a lower mounting portion 151 that pivotally supports a pair of front and rear parallel links 16 and a door load support arm 18 that extends upward. And an upper vertical column portion 152. The lower mounting portion 151 is bent by a sideward flange portion 15a that pivotally supports a pair of front and rear parallel links 16, a lower slope portion 15b that is welded so as to reinforce the sideways flange portion 15a, and that extends obliquely downward, and a lower slope portion 15b. And a fastening flange 15c that is bolted to the mounting recess T.

The upper vertical column portion 152 includes a base end boss portion 41 in which a first pivot end (base end) of the first support arm 44 in the door load support arm 18 is pivotally supported via a vertical pin 43.
A U-shaped fastening bracket 53 is superimposed on one side of the base end boss portion 41 and is bolted to each other.
As shown in FIGS. 5, 6, and 13, the parallel link 16 has a function of positioning the movement locus and each position of the rear door 4 that swings. The front and rear connecting pins 246 and 245 of the front arm 31 and the rear arm 32 of the parallel link 16 are respectively connected to the vicinity of the front and rear ends of the slider 24. The front arm 31 and the rear arm 32 maintain a predetermined distance from each other in the front-rear direction and the upper-lower direction, thereby preventing interference between the arms.

As shown in FIG. 6, the outer panel 401 of the rear door 4 and the inner panel 402 arranged via the door inner space are integrally joined to each other at the front and rear and lower outer peripheral edges, and the upper peripheral edges of the two panels. An opening is formed between the parts, and a door glass support member sash 55 (not shown) is attached thereto.
In addition to the door glass, in the space in the rear door 4, the door support rail 22, the slider 24 fitted to the door support rail 22, the door side member of the opening / closing drive mechanism 19, and the electrical equipment provided in the rear door 4 A controller 30 (see FIG. 1) is provided as control means.
As shown in FIGS. 1, 5, and 13, the rear door 4 is provided with a motor 101 and a take-up drum 46 that form a drive source M of the open / close drive mechanism 19 and a plurality of intermediate rollers Po <b> 2 and Pc <b> 2. The electrical equipment in the rear door 4 is connected to the main controller 300 on the vehicle body side via the wire harness 20 supported by the door load support arm 18.

  As shown in FIGS. 5 and 13, the door load support arm 18 attached to the upper side of the parallel link 16 is a base end boss portion formed on the upper vertical column portion 152 on the upper portion of the base member 15 pivotally supported on the vehicle body side. The first pivot end (base end) 441 of the first support arm 44 is pivotally supported by the first support pin 44 via the first vertical pin 43. A second pivotal support end (base end portion) 611 of the second support arm 61 is pivotally supported at the rotation end of the first support arm 44 via a second vertical pin 62, and the second support arm which is the other end is pivoted. The swing end 612 pivotally supports the door side pivotal support portion 37 near the center of gravity of the rear door 4 via the third vertical pin 36. With such a door load support arm 18, the load at the center of gravity of the rear door 4 can always be transmitted to the base member 15.

  By the way, as shown in FIGS. 7 and 13, the slider 24 pivotally attached to the swing end of the parallel link 16 is fitted to the door support rail 22. The door support rail 22 is fixed to the inner panel 402 of the rear door 4 via a mounting bracket 35. The door support rail 22 is formed with a downward main, secondary rail grooves 33u1, 33u2 and a lower main downward rail groove 3311, a downward upward rail groove 33l2 formed in the longitudinal direction X in the interior thereof. The slider 24 is inserted into the front and rear rollers 23f and 23r and a plurality of rollers r.

The slider 24 has a rear connecting pin 245 that pivotably connects the swinging end of the rear arm 32, and extends downward from a downward wall from the front of the lower substrate 241b so that the swinging end of the front arm 31 can swing. And a front connecting pin 246 to be coupled. Accordingly, the slider 24 swings by the parallel link, and the door support rail 22 can easily slide in the front-rear direction X with respect to the front and rear rollers 23 f and 23 r of the slider 24.
The front roller 23f abuts against the stopper wall portion rs0 of the lower main downward rail groove 3311 to prevent further forward sliding of the relative door support rail 22 (rear door 4), and the door support rail 22 ( The protruding position D2 of the rear door 4) is regulated.
Next, the rear door 4 is provided with an opening / closing drive mechanism 19.

As shown in FIGS. 6 and 13, the opening / closing drive mechanism 19 protrudes from the closed mount D1 by the rotational force of the motor 101 and the take-up drum 46 that constitute the drive source of the rear door 4, and moves to the fully open position D3 via the position D2. It has a function.
In other words, the opening / closing drive mechanism 19 includes a motor 101 disposed in the rear door 4, a winding drum 46 that is wound around the motor 101 and driven so as to be rewound, and an opening that is retractable and wound around the winding drum 46. A cable 49 and a closed cable 51; an end pulley po1 at the front end of the door support rail 22 around which the open cable 49 is wound; an end pulley pc1 at the rear end of the door support rail 22 around which the closed cable 51 is wound; The first pulley po2 on the front side, the second pulley po3 (front intermediate pulley) on the front arm 31, the cable end poe supported by the lateral flange portion 15a and connecting the anchor portion of the open cable 49, and the rear side of the slider 24 The first pulley pc2, the second pulley pc3 (rear intermediate pulley) on the rear arm 32, and the lower flange of the U-shaped fastening bracket 53. Comprising a cable end pce and connected with an anchor portion of the closing cable 51 is supported by the di-53d, a.

Next, the operation of the rear door 4 will be described together with the door lock control routine of FIG. This door lock control routine is executed at a predetermined control time in a main routine (not shown) performed by the controller 30, that is, every time when the rear door 4 approaches the closed position D1.
Here, in step s1, the controller 30 determines whether the rear door 4 is in the closed position (see FIG. 1) D1. If so, the process proceeds to step s2, and if the rear door 4 is open, the process proceeds to step s4.
In step s2, it is determined whether or not a door opening command has been received. If the door is not received, it is determined that the rear door 4 holds the closed position D1, and the process directly returns to the main routine (not shown). Otherwise, the process proceeds to step s3. .

  When it is determined No in step s2 and the rear door 4 holds the closed position D1, the latches 661 and 671 of the front upper lock portion J1, the front lower lock portion J2, and the rear end lock portion J3 on the rear door 4 side are locked. Is held in a non-energized state while being held. That is, the rear door 4 is locked to the center pillar 5 using the latch 661 and the striker 662 of the front upper lock portion J1 (the same applies to the front lower lock portion J3). Further, the latch 671 of the rear lock portion J3 for the swing slide door meshes with the striker 672. In this case, as shown in FIG. 6A, the swinging ends of the rear arm 32 and the front arm 31 are pulled into the vehicle interior, and the door support rail 22 together with the slider 24 of the swinging ends of both arms closes the rear door 4 ( (See FIG. 1) Hold D1.

  Upon receiving the door opening command and proceeding to step s3, the controller 30 issues a lock release command, and the branch operation member 805 swings from the steady position to the release position, and in conjunction with this, the front upper, lower lock portions J1, J2 and The rear lock portion J3 is simultaneously released to release the rear door 4 from the closed position D1, and the swing toward the protruding position D2 is allowed. As a result, the latches 661 and 671 of the front upper lock portion J1, the front lower lock portion J2, and the rear lock portion J3 are released, and are released from the strikers 662 and 672, and the process proceeds to step s3.

At this time, on the open / close control processing routine side of the main routine (not shown), the motor 101 of the drive source M is driven, and the anchor portion of the opening operation cable 49 is connected as shown by a two-dot chain line in FIG. A cable stretched between the cable end poe and the fixed pulley po <b> 1 on the door support rail 22 is wound by an unillustrated open winding portion of the winding drum 46. As a result, the front arm 31 and the rear arm 32 interlocked therewith are oscillated and displaced from the closed position D1 to the oscillating position D2 shown in FIG. 6B.
Next, the door support rail 22 side is moved relative to the slider 24 at the swinging end of the parallel link 16 where the rear door 4 passes the swing position D2 and stops swinging by the opening / closing drive mechanism 19 as shown in FIG. The sliding operation is performed to the fully open position D3 shown in c).

Next, the process proceeds to step s4. Here, the occupant passes through the rear entrance / exit 3 and waits for the entry / exit to end, and the controller 30 receives a door closing command. At this time, the motor 101 is driven to rotate forward, and the state returns to the swing position shown in FIG. 6B from the state shown in FIG. 6C, and the rear door 4 moves toward the closed position D1 shown in FIG.
In step s5, the rear door 4 moves to the closed position D1, and it is determined whether the front upper and lower lock portions J1, J2 have reached the half latch position. During No, the process returns to the main routine, and in Yes, the process proceeds to step s6. Then, the front upper and lower lock portions J1 and J2 are switched to the full latch.
In step s6, the controller 30 that has received the signal that the latch 661 of the front upper lock portion J1 (and the front lower lock portion J2) is in the half latch position immediately before the closing position D1 rotates the motor 101 forward. As shown in FIG. 4, the plate-like main portion 704 is swung in one direction, and the latch 661 of the front upper lock portion J1 (same as the front lower lock portion J2) of the rear door 4 is linked to the center pillar 5 as shown in FIG. Is engaged and locked with a striker 672.

Next, the controller 30 proceeds to step s7, and waits for an input of a signal that the latch 671 of the rear lock unit J3 is at the half latch position. If confirmation of the half latch position of the rear lock part J3 is performed collectively in step s5 and both the front and rear latches detect the half latch position and the front latch is activated only, step s7 is omitted. can do. In this case, the unexpected behavior of the rear end of the rear door 4 can be suppressed when the front latch is fully latched.
When an input signal indicating that the rear lock portion J3 is at the half latch position is received, the process proceeds to step s8, where the controller 30 rotates the motor 101 in the reverse direction to swing the plate-like main portion 704 in the other direction. In conjunction with this, as shown in FIGS. 7B and 11, the latch 671 of the rear lock part J3 rotates the striker 672 in the meshing direction, and returns to the main routine.

  At this time, as shown in FIG. 3B, the latch 671 of the rear lock portion J3 passes through the locus r1 along the arc of the parallel link 16 during the swing, and reaches the half latch position b through the unlatched position a. Here, the rotation of the fork part q is started, and the front upper lock part J1 and the front lower lock part J2 of the rear door 4 are switched to the full latch state, and in accordance with this, the front pull-in movement is performed and the path of r3 is passed. Next, the rear lock portion J3 passes through a locus r4 that pivots and displaces around the pivot line Lr, and the fork portion q of the latch 671 exceeds the full latch position d to engage with the striker 672, and the overrun position e. Then, after passing through the locus of r5 returning to the full latch position d, the rear lock portion J3 is held by the full latch.

  In this engagement with the full latch, as described above, the total amount of relative friction S (= s1 + s2 + s3) is relatively small, and the latch 671 of the rear lock portion J3 can smoothly engage.

In this way, the controller 30 controls forward and reverse rotation of one motor 701, so that the two front upper lock portions J1 (the front lower lock portion J2 have the same configuration) interlocked with each other in turn. Since the lock portion J3 is sequentially locked, the motor 701 and harnesses can be reduced to reduce the cost and the weight of the apparatus can be reduced. In addition, the degree of freedom of layout in the rear door 4 is improved, and a single motor is used, so that the operating noise can be reduced.
Here, the front upper lock portion J1 and the front lower lock portion J2 can be interlocked, the upper and lower lock portions are J1 and J2 at the opening edge portion on one side of the door opening portion, and the lock portion J3 is 1 at the rear opening edge portion. Thus, the door can be securely locked to the door opening by using a total of three lock portions. Moreover, no additional motor is required.

  After the controller 30 controls forward and reverse rotation of one motor 701, after the front upper lock portion J1 (the front lower lock portion J2 has the same configuration) becomes a full latch, the other rear lock portion J3 is half After detecting that the latch state has been reached, the control is switched to the full latch state. That is, the rear part of the door rotates around the pivot line Lr that connects the meshing points of the front upper lock part J1 and the front lower lock part J2, and the approach locus in the closing direction of the rear part of the door is similar to that of the hinge door. Therefore, the approach locus is assured as designed, and there is little deviation in the engagement operation of the latch and striker, it is stable, wear can be reduced, noise can be prevented, and the latch engagement drive means 70 as the latch drive means can be prevented. The operating noise of the solenoid of the motor 701 and the latch release driving means 80 is also reduced. Moreover, even if the door opening adopts a hinge door instead of the swing slide door, the striker mounting angle θ2 of the rear lock portion J3 can be set in the same way as the hinge door striker, and the striker mounting surface kf on the body side can be set. Can be shared with hinged doors.

In the above description, the present invention has been described as being applied to the rear door 4. However, the present invention can be similarly applied to the left and right doors of a two-door vehicle, and similar effects can be obtained.
Further, although the vehicle front side is described as the one side lock portion and the vehicle direction side as the other side lock portion, the same effect can be obtained even when the vehicle front side is the other side lock portion and the vehicle direction side is the one side lock portion.
Further, although the description has been given of the vehicle in which the striker is provided on the body side and the latch is provided on the door side, the same effect can be obtained by using the latch on the body side and the striker on the door side.

1 is a schematic side view of a vehicle in which a door locking device according to an embodiment of the present invention is employed. It is a figure which illustrates roughly the door lock structure of the rear door to which the door locking device of FIG. 1 was applied. The rear lock part used with the locking device of the door of FIG. 1 is shown, (a) is principal part sectional drawing of the rear lock part of a rear door, (b) is a principal part expanded sectional view of a rear lock part. It is principal part sectional drawing of the front upper lock part used with the locking device of the door of FIG. It is a control block diagram of the controller used with the locking device of the door of FIG. It is opening / closing operation | movement explanatory drawing of the rear door used with the locking device of the door of FIG. It is a partial notch top view of the swing slide unit used for the rear door used with the locking device of the door of FIG. FIGS. 2A and 2B are operation explanatory views of the door lock device of FIG. 1, in which FIG. 1A illustrates a rear door unlocking operation, and FIG. FIGS. 2A and 2B are operation explanatory views of a rear lock portion in the door lock device of FIG. 1, in which FIG. FIGS. 2A and 2B are operation explanatory views of a rear lock portion in the door lock device of FIG. 1, in which FIG. 1A is a front lock portion lock operation, and FIG. FIGS. 2A and 2B are operation explanatory views of a rear lock portion in the door lock device of FIG. 1, and FIG. 2B is a diagram illustrating a normal operation of the rear lock portion and FIG. It is lock operation explanatory drawing of the rear lock part in the door lock apparatus of FIG. It is operation | movement explanatory drawing which shows the rocking | fluctuation position of the swing slide unit used for the rear door by which the door lock apparatus of FIG. 1 was employ | adopted. It is a flowchart of the door lock control routine used with the door lock apparatus of FIG. It is a principal part notch top view of the swing slide unit of the conventional swing slide door.

Explanation of symbols

3 Rear entrance 4 Rear door 16 Parallel link 30 Controller (control equipment)
60b Rear pillar 661, 671 Latch 662, 672 Striker 70 Latch engagement drive means 701 Motor 702 Peristaltic operation member 704 Plate-like main part (peristaltic operation member)
705 Coaxial cable (oscillating displacement transmission member)
706 Press link (oscillating displacement transmission member)
80 Latch release driving means kf First mounting surface pf Front facing wall J1 Front upper lock part J2 Front lower lock part (one side lock part)
J3 Rear lock (other side lock)
B Car (body)
D1 Closed position D3 Fully open position

Claims (2)

A door that opens and closes a door opening formed in a vehicle body, and a latch supported by either the door or the opening edge is meshed with a striker fixed to the other of the door or the opening edge. Among the plurality of locking portions provided on the peripheral side of the door opening so as to hold the door in the closed position, one side locking portion provided on one side opening edge side of the door opening, and the plurality of the locking portions Of the lock parts, the other side lock part provided on the other opening edge side of the door opening part, and a latch driving means for switching each latch of the plurality of lock parts from a half latch state facing the striker to a full latch state. A control device for driving and controlling the latch driving means, and a door locking device comprising:
The control means drives and controls the latch driving means to switch the other side lock portion to a full latch state after the one side lock portion is switched to a full latch state when the door is moved to the closed position. And door locking device. The door locking device according to claim 1,
The one side lock part is provided on the one side opening edge side up and down two,
The door locking device according to claim 1, wherein an approach angle between the latch and the striker when the other side lock portion is switched to a fully latched state is set in accordance with an arc centering on a meshing point of the one side lock portion.

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