FR2697278A1 - Locking / unlocking device for double-leaf gate, and gate equipped with such a device. - Google Patents

Abstract

A device for locking / unlocking a two-leaf gate, with sliding striker (120), lock (110), and anchor rod (170), comprises a motorized actuator (150) requesting a transmission element (140) connected to the strike and the rod. A first movement of the element (140) causes the lifting of the rod and the erasure of the keeper, for unlocking. Opposite displacement has the opposite effect. According to the invention, the actuator is single-acting (150) to perform the single unlocking. A movable pawl means (160) is secured to the movable leaf (B1) to selectively lock the element (140) in the unlocked position or release it to return, without intervention of the actuator, to its position of. locking, depending on whether the movable leaf (B1) is open or whether both leaves (B1, B2) are closed.

Description

The present invention relates generally to

double doors.

  It relates in particular to a device for locking / unlocking a gate with two leaves or the like, said gate comprising a semi-fixed leaf carrying a strike and a movable wing carrying a lock of which at least one bolt is adapted to be engaged in the strike, and further comprising a substantially vertical rod slidably mounted on the semi-fixed leaf for anchoring

  in the ground, the device comprising, on the semi-leaf

  fixed, a motorized actuating means, a transmission element displaceable in translation by the actuating means, means for mounting the striker slidably on the semi-fixed leaf, coupling means between said transmission element and said strike, and coupling means between said transmission member and the anchor rod, a movement of the transmission member in a first direction to an unlocking position causing the coupling means to move the anchor rod upwardly and moving the striker laterally to disengage the bolt or bolts, while a movement of the transmission member in an opposite direction to a position

  locking causes reverse movements.

  Such a device is known from EP-A-0 360 696.

  A disadvantage of this known device, however, is that the actuating means must exert a first force on the transmission element for unlocking, before the opening of the leaves, then a second force, in an opposite direction, for the

  lock once the two leaves have been closed.

  This makes the actuating means more complicated and more expensive to design In addition, a failure of the actuating means to apply the second effort may pass unnoticed by the user, in which case the two leaves will be closed but can be opened by

anyone by simple push.

  As a corollary, the known device comprises emergency manual actuation means which are inconvenient to use, on the one hand because of their particular position on the semi-fixed frame and on the other hand because it is necessary, for the locking, to exert the second aforementioned force after closing the two leaves, and this necessarily on the inner side of the enclosure

protected by the portal.

  The present invention aims in particular to overcome these

  disadvantages of the prior art.

  It proposes for this purpose a device as defined above, characterized in that the actuating means comprises a single-acting actuator adapted to move the transmission element into its position of

  unlocking and in that it is provided on the semi-leaf

  fixed movable ratchet means secured to the movable wing for selectively locking said transmission member in its unlocking position or releasing said transmission member to allow it to return, without intervention of the actuating means, in its locking position, as the moving wing is

  open or both wings are closed.

  The invention also proposes a gate equipped with a

such device.

  Other aspects, purposes and advantages of this

  invention will appear better on reading the description

  following detail of a preferred embodiment thereof, given by way of example and with reference to the accompanying drawings, in which: Figure 1 is a schematic perspective view of a portal equipped with A lock according to the present invention, Figure la is a partial perspective view of the lock equipped with a hood, Figure 2 is a detailed perspective view of the lock according to the present invention, and Figures 3a and 3b. are side elevation views of the lock of the present invention in two

different positions.

  Referring now to the drawings, there is shown a gate P which conventionally comprises in itself a movable leaf Bl and a semi-fixed leaf B 2 For the passage of motor vehicles, it opens the two doors For the passage of pedestrians, only the beating Bl

is open.

  The gate is equipped with a closure 100 which comprises a lock 110, for example a lock of conventional type comprising a bolt Mlla actuated by a handle lllc and a bolt lllb actuated by a key (not shown).

  lock is mounted on the movable wing.

  The bolts are able to engage in lateral openings, or a common opening, a striker 120 mounted

  vis-à-vis the semi-fixed wing.

  The striker 120 is slidably mounted on the leaf B 2.

  For this purpose, two parallel horizontal rods 130 a and b are fixed on the flap B 2 by means of two framing plates 132 a, 132 b, constituted for example by the two parallel branches of a metal section.

  "U", the stems extending between these plates.

  These two rods 130a, 130b are engaged in horizontal bores 121 formed in a solid portion 121

for supporting the striker 120.

  For the control of its lateral displacement, the striker also comprises, in its part 121, an inclined through oblong slot 122, in which is engaged

  in a sliding relation a finger 141.

  This finger 141 is carried by a transmission element 140 whose upper region has the general shape of an inverted L, and is arranged in the corner region of this L-shaped part. The horizontal branch 140 of the L-shaped part of the element 140 extends towards a hollow portion 123 of the striker, located vis-à-vis the bolts Mlla, lllb and

  intended to receive them when closing the lock.

  It is observed that, in its free end region, the branch 140 has passed through an oblong vertical passage 123 formed in a wall 123 b of the strike forming a step between

  its solid part 121 and its hollow part 123.

  The vertical leg 140b of the L extends downwards and comprises in its lower end region two

  threaded cylindrical bores 142a, 142b (Figure 3b).

  Below the latch 120 is mounted an electromagnetic actuator 150, constituted for example by a low-stroke linear output motor of the type used in the door interlock devices.

motor vehicles.

  This device comprises an output rod 151 capable

  to be moved vertically on a given race.

  This rod 151 has in the region of its upper free end a finger 152 which is engaged in an opening made in a side branch 140c of the element 140, extending from its vertical branch

140 b.

  Branch 140c has a beveled end face 143 whose normal vector is angled

down.

  It is further provided a pawl 160 which consists of a generally "L" shaped member pivotally mounted by an axis 161 on the leaf B 2 The horizontal leg 160a of the member 160 extends towards the leaf Bi, through an opening made in a frame member 132b '(forming part of, for example, the same profile as the elements 132a, 132b) and is able to be loaded, when the leaf B 2 is in the closed position and the beating Bl is in the terminal phase of its closure, by a ramp

  inclined 115 provided vis-à-vis said leaf Bi.

  This bias tends to rotate the ratchet member 160 in the opposite direction of that of the clockwise in the figures, and this against the return moment exerted by a spiral spring 162 (Figure 3b) provided to act between the flap B 2 and the element 160 to urge the latter elastically in rotation in

clockwise.

  Furthermore, the upper end face 161 of the vertical leg 160b of the element 160 is shifted towards the branch 140c of the element 140, so that when the branch occupies an unsolicited position as will be seen below, the lower face of said leg 140c can bear against this upper face to maintain the element 140 in a high position. A vertical rod 170, the lower end of which must be anchored in a hole formed in the ground, is connected to the transmission element 140. The rod has for this purpose in its upper region a head 171 provided with two vertical oblong openings 172 a, 172 b With the aid of two bolts 173 a, 173 b screwed into the threads 142 a, 142 b of the element 140, the rod 170 is secured, in a height-adjustable manner, to the element 140 This adjustable mounting allows in particular to adapt the position of the rod 170 to the height of the ground below the gate. The rod 170 is guided vertically along the flap B 2 by collars, one of which is fixed on the element

  the "U" framework of the flap B 2 is indicated at 173.

  Finally, the device according to the invention optionally comprises a generally vertical tension spring 180 hooked at one end to a lateral lug 140 d of the element 140 and at the other end to the semi-fixed frame B 2 which makes it possible to elastically bias

the element 140 down.

  Preferably, as illustrated in Figure la, a cover 200 houses the various components of the device. We will now explain how the

  closure opening device as described above.

  above. Figures 2 and 3a illustrate the gate and the lock in the closed position The bolts llla and lllb are engaged in the striker 120, while the ramp 115 of the leaf Bl has pushed the pawl 160 in a retracted position At the same time, the rod 151 of the actuator

  electromagnetic 150 is in the low position.

  When an electrical control voltage is applied to this actuator, its rod 151 moves upwards and causes, via the finger 152, an upward translation, on a given stroke, of the transmission element 140 This results in a movement of the striker 120 to the right in the figures, using the movement of the reference made by the finger 140 and the oblong slot 122, which has the effect of releasing the bolts Mlla, lllb without that a maneuver of the handle or the key on the lock is necessary It also results in a movement of the rod 170 upwards, which releases its

  bottom end of the anchor hole in the ground.

  In this situation, the two leaves can be opened, either manually or by means of a device

  motorized, starting with opening the Bi flap.

  As soon as the leaf B1 has left its alignment relation with the leaf B 2, the pawl 160 is free to pivot in a clockwise direction, finally leading to the position illustrated in FIG. in this position, the surface

  160 of branch 160b extends partially beyond

  below the lower surface of the branch 140 c of the transmission element 140 It is understood that the excitation of the actuator 150 can then be suppressed, in which case, under the action of the spring 180 or by the simple effect of the gravity (the spring 180 can then be omitted), said branch 140 c can come to bear on said upper wall 161 of the pawl to maintain the keeper 120 and the rod 170 in the unlocking positions described above. When the gate has to be closed, the wing B 2 is closed slightly ahead of the wing B.

  (either manually or by the aforementioned motorized system).

  With the flap B 2 in the closed position, as soon as the flap B1 also arrives in its closed position, the ramp 115 of said flap B1 solicits the pawl 160 in the closed position.

  rotation in the opposite direction of clockwise.

  In this case, the support surface 161 of the pawl fades to the left in the figures and, with the actuator 150 being de-energized, the transmission element can be translated downwards, either by the simple play of the

  gravity, or using the spring 180 when provided.

  It will be noted here that the oblique orientation of the free end face 143 of said branch 140c, and the recess of said support surface 161 of the pawl 160 relative to the branch 160b make it possible to ensure in this case a return immediate elements in the locking position, and in particular without risk of jamming against the side surface of the branch 160 b turned towards

the right in the figures.

  Accordingly, the striker 120 is returned to its locking position, receiving the penes 11a, 11b, and the rod 170 is returned to its lower position, anchor

  in the soil (position of Figure 3a).

  Thus, according to one aspect of the present invention, it is the simple closing of the leaf Bi, while the leaf B 2 is already closed, which automatically causes the locking of the gate, without any other command

electric is not necessary.

  According to another aspect of the present invention, the gate equipped with such a lock can be manually operated in an extremely simple manner for the user This may be the case for example when no power source is available for the actuator 150, and in particular, in the case of a gate unlocking and / or remote controlled opening, when the user does not have its remote control box

on him.

  In this case, starting from the locked position of Figure 3a, the user actuates the handle (and previously, if necessary, the key) of the lock to erase the two bolts 11a, lllb In this case, the flap Bl is released From the beginning of the opening thereof, the pawl is no longer biased by the ramp 115, but only by the free end face 143 of the branch

140c of the element 140.

  In addition, as soon as this opening, the hollow portion 123 of the striker 120 is disengaged and the user can, with the help of his finger, lift the element 140 by acting on the free end of its branch 140 a, which protrudes into

the cavity of said portion 123.

  By this movement, the rod 170 is lifted to remove the anchoring in the ground and further, the striker 120

  is moved to the position of Figure 3b.

  This movement also causes the upward movement of the branch 140c, until it crosses the edge delimiting the support surface 161 of the pawl 160 on the right in the figures Said pawl is then free to pivot in the direction of the needles of a clock, until said surface 161 has come in line with the terminal region of the branch 140 c The transmission element 140 is thus maintained in its upper position, and one finds oneself exactly in the same unlocking situation as when electrically

using the device 150.

  It will be observed here that the manual maneuver described above is at the same time extremely simple for the user, but at the same time extremely safe since the transmission element 140 is only displaceable by the user when the flap B1 has begun. to be opened, which

  requires that the user has the key of the lock.

  In addition, because, as described above, the device automatically resumes its locking position as soon as the two leaves Bl and B 2 are effectively closed, no further maneuver of the user is necessary at the end of this reclosing. The power supply required for the actuator can be provided by any suitable source, and in particular a DC voltage obtained from the mains voltage or a battery, or even from a

  solar sensor coupled to such a battery.

  Of course, the present invention is not limited to the embodiment described above and shown in the drawings, but one skilled in the art will be able to make any variant or modification within the spirit. Thus, as indicated, the lock-striker assembly of the present invention can equip both a manual opening gate and a gate with motor opening,

  controlled by a suitable remote control device.

  It will be observed finally that, like the gate described in the document EP-A-0 360 696 cited above, the mobile wing B1 can be opened alone, quite

  conventional, for the passage of pedestrians.

Claims (7)

  A device for locking / unlocking a double-leaf gate or the like, said gate comprising a semi-fixed leaf (B 2) carrying a striker (120) and a movable wing (Bi) carrying a lock (110), at least one a bolt (illa, lllb) is adapted to be engaged in the striker, and further comprising a substantially vertical rod (170) slidably mounted on the semi-fixed leaf for an anchoring in the ground, the device comprising, on the semi leaf -fixed, a motorized actuating means (150), a transmission element (140) displaceable in translation by the actuating means, means (130a, 130b, 121) for mounting the striker sliding on the semi-fixed flap, coupling means (141, 122) between said transmission member and said striker, and coupling means (171) between said transmission member and the anchor rod, a movement of the transmission (140) in a first direction to a positi unlocking means causing the coupling means to move the anchor rod (170) upwardly and to move the striker (120) laterally to disengage the bolt or bolts, while a movement of the striker member transmission in an opposite direction to a locking position causes the reverse displacements, characterized in that the actuating means comprises a single-acting actuator (150) adapted to move the transmission element (140) to its position of   unlocking and in that it is provided on the semi-leaf   secures a movable ratchet means (160) secured to the movable wing (Bi) for selectively locking said transmission member in its unlocking position or releasing said transmission member (140) to enable it to return without intervention of the means therefor actuation, in its locking position, according to whether the movable leaf is open or that the two leaves are closed. 2 Device according to claim 1, characterized in that the single-acting actuator is constituted by a   electromagnetic actuator (140) with linear stroke.   3 Device according to claim 1 or 2, characterized in that it further comprises a manual actuating element (140 a) located in a cavity of the   keeper (120) and coupled to the transmission element (140).   4 Device according to claim 3, characterized in that the manual actuating element is constituted by a generally horizontal leg (140 a) of the transmission element (140), a free end region protrudes into said cavity through an oblong slot (123 a).   Device according to one of claims 1 to 4,   characterized in that the transmission element comprises a substantially horizontal actuating limb (140c), in that the single-acting actuator acts vertically upwardly on the transmission element (140) in the region of this branch, and in that the locust means (160) comprises a support surface (161) capable of moving substantially horizontally below a free end region of said actuating branch.   Device according to claim 5, characterized in that the pawl means comprises a member (160) pivotally mounted on the semi-fixed wing (B 2) and comprising an actuating portion (160 a) extending towards the movable flap and adapted to be solicited by the latter, when the two leaves are closed, to move said support surface (161) away from said free end region of said branch actuating.   7 Device according to claim 6, characterized in that a free end face (143) of said actuating branch (140 c) is oriented obliquely and in that said support surface (161) of said pivoting element is shifted laterally towards said actuating branch relative to a leg (160b) of said pivoting member (160) which defines at its end said support surface.   8 Device according to one of claims 1 to 7,   characterized in that there is further provided a resilient means (162) adapted to bias the pawl means (160) into a locking position of the transmission member.   9 Device according to one of claims 1 to 8,   characterized in that it further comprises an elastic means (180) adapted to bias the transmission means   (140) to its locking position.   Gate, of the type comprising a semi-fixed leaf (B 2) carrying a striker (120) and a movable wing (Bi) carrying a lock (110) of which at least one bolt (illa, 1 llb) is capable of being engaged in the striker, and further comprising a substantially vertical rod (170) slidably mounted on the semi-fixed wing for anchoring in the ground, characterized in that it comprises a   locking / unlocking according to one of the claims preceding.