FR3065241B1 - LOCKING SYSTEM OF A DOOR - Google Patents

Abstract

The present invention relates to a locking system (8) of a door (4), comprising: - a lock (14), provided with a bolt (28) and a locking button (32), movable according to a control movement for moving the bolt (28) between a rest position, a locking position and a locking position, and movable in translation along a main axis between a retracted position and a deployed position, the locking button being in position. deployed position when the lock button is in the lock position, - a first stop (46) preventing the lock button from moving from the lock position to the lock position, when the lock button is in the retracted position, and allowing the lock button to be moved to the locking position after the locking button has been moved to the extended position.

Description

Door locking system

The present invention relates to a locking system of a door.

The present invention applies in particular to an access door to an interior space, including toilets of a railway vehicle.

There are known systems for opening and closing the door from inside or outside the toilet by actuating opening members such as handles or crutches, and systems for locking the door from the inside out. actuating a lock button.

In addition, it is known to manually condemn the door from the outside with a Bern key activating a bolt. A Bern key is a standard key in the railway field. The keys to Bern were defined by the Berne Convention in 1886. Such locking systems from outside allow the toilets to be turned off in the event of a malfunction in the toilets, for example in the absence of toilet paper.

However, according to the TSI 2008 and TSI 2014 standards, it is mandatory for a user to be able to get out of the toilet even if the toilet has been condemned from outside.

An object of the invention is therefore to provide a locking system satisfying the aforementioned standards. For this purpose, the invention relates to a locking system of a door having a lock, provided with a bolt and a locking button, the locking button being movable in a control movement for moving the bolt between a rest position, a locking position and a locking position, and movable in translation along a main axis between a retracted position and an extended position, the locking button being in the extended position when the locking button is in the position of locking, a first stop preventing the locking knob from moving from the locking position to the locking position, when the locking knob is in the retracted position, and allowing the locking knob to move from the locking position to the locking position; locking after translation of the locking button in the deployed position.

According to other embodiments, the locking system of a door comprises one or more of the following characteristics, taken individually or in any technically possible combination: an activation tool for moving the locking button from the retracted position to the deployed position; the activation tool makes it possible to move the locking button according to the control movement, between the rest position, the locking position and the locking position; the lock has an opposite inner face and an opposite outer face, the locking button being on the inner face, and the activation tool being configured to operate the lock button from the side of the outer face; - The locking system comprises a biasing element configured to recall the lock button to the retracted position; - the locking system comprises a second stop configured to prevent the movement of the locking knob beyond the locking position; - The height of the second stop along the main axis is greater than the height of the first stop along the main axis; - includes a lock button position indicator; - The first stop is extended by a bearing surface adapted to be in contact with the locking button, when the locking button is between the locking position and the locking position; - The control movement of the locking knob is a rotation about the main axis. The invention and its advantages will be better understood on reading the description which will follow, given solely by way of example, and with reference to the appended drawings, in which: FIGS. 1 to 3 are views of a set comprising a locking system, the locking button being in different positions. - Figure 4 shows a side view of the door. - Figure 5 is a sectional view of the lock, the locking button being in the rest position. - Figure 6 is a sectional view of a portion of the lock, the locking button being shown in solid lines in the locking position and dotted line in the locking position.

Referring to Figures 1 to 6, there is described an assembly 1 comprising a door 4, a frame 6 of the door 4 and a locking system 8 of the door 4. The assembly 1 allows access to an interior space 10. For example, the interior space 10 is a toilet space of a railway vehicle (not shown).

The door 4 is movable relative to the frame 6 between an open position in which it allows access to the interior space 10 and a closed position, shown in Figures 1 to 3, in which it separates the interior space 10 and the outer space 12. In FIGS. 1 to 3, the visible face of the door 4 is oriented towards the interior space 10.

The door 4 is closed and opened manually or automatically. The door 4 is, for example, a closing door and swing opening. Alternatively, the door 4 is closed and sliding opening.

The locking system 8 comprises a lock 14 and a striker 16. The lock 14 and the striker 16 are arranged one on the door 4 and the other on the frame 6 so that the striker 16 is in position. with respect to the lock 14 when the door 4 is in the closed position. In the example, the lock 14 is disposed on the door 4 and the keeper 16 on the frame 6.

The lock 14 has, for example, a general form of housing. The lock 14 comprises an inner face 18 and an outer face 20 opposite. The inner face 18 is intended to be turned towards the inner space 10 and the outer face 20 intended to be turned towards the outer space 12.

The distance between the inner face 18 and the outer face 20 is substantially equal to the thickness of the door 4. The inner face 18 is advantageously substantially parallel to the outer face 20.

The inner face 18 is visible in Figures 1 to 3.

The lock 14 comprises a passage 22 which is a keyhole, through which a Bern key can be introduced. The passage 22 opens on the outer face 20 of the lock 14.

Advantageously, the lock 14 further comprises, on the side of the inner face 18, an internal handle 24 associated with a first latch bolt 25.

As shown in Figure 4, the lock 14 further comprises, on the side of the outer face 20, an outer handle 26 associated with a second latch bolt 27. The outer handle 26 is offset from the inner handle 24 .

Advantageously, the outer handle 26 is adapted to actuate the second latch 27 by means of a first latch not shown. Advantageously, the inner handle 24 is adapted to actuate the first latch bolt 25 via a second latch, not shown, allowing it to also actuate the second latch bolt 27.

Advantageously, the striker 16 comprises an electric locking / unlocking member defining a locking recess vis-à-vis the first latch bolt 25. The electrical locking / unlocking element is movable between a removable configuration, in which the locking housing comprises a movable side wall relative to the frame 6, to allow an opening of the door 4 while the first latch bolt 25 is received in the locking housing, and a locked configuration, wherein said side wall is fixed relative to the frame 6 and the opening of the door 4 is impossible until the first latch bolt 25 is received in the locking housing.

Optionally the first follower is also adapted to actuate the first latch bolt 25.

The locking system 8 comprises a dead bolt 28, a locking button 32, a first stop 46, a return member 36 and an activation tool 38. The first stop 46 is for example formed by a protuberance 34. , the locking system 8 advantageously comprises a second stop 48.

The keeper 16 defines at least one housing L25, L27, L28 opposite each bolt 25, 27, 28 of the lock 14.

The dead bolt 28 is movable relative to the lock 14 between a rest position, a locking position and a locking position.

In the rest position, shown in Figure 1, the door 4 is not locked, the door 4 can be opened or closed. In addition, the dead bolt 28 does not protrude from a slice 39 of the door 4. For example, this rest position is used when the toilet is free to use by a passenger.

In the locking position, shown in Figure 2, the door 4 is locked in the closed position. The dead bolt 28 protrudes from the edge 39 of the door 4. The dead bolt 28 is partially received in a housing L28 of the keeper 16. For example, this locking position is used when the toilet is occupied by a passenger .

In the locking position, shown in Figure 3, the door 4 is locked from the outside, the dead bolt 28 projects into the housing L28 of the keeper 16 in a more advanced position in the locking position. For example, this blocking position is used when the toilet has been deemed "out of order" by an operator.

The lock button 32 is configured to control the movement of the dead bolt 28.

The lock button 32 is on the inside face 18 of the lock 14.

The lock button 32 is movable in a control movement relative to the lock 14, between a rest position, shown in Figure 1, wherein the dead bolt 28 is itself in its rest position, a position of 2, in which the dead bolt 28 is itself in its locking position, and a locking position, shown in Figure 3, in which the dead bolt 28 is itself in its position of blocking.

In addition, the unlocking button 32 is movable in translation along a main axis X between a retracted position and an extended position. The main axis X is for example substantially perpendicular to the inner face 18.

In retracted configuration, the lock button 32 is brought closer to the outer face 20 with respect to the deployed position.

The stroke of the lock button 32 between the extended position and the retracted position is sufficient for the button 32 to pass the first stop 46.

The lock button 32 is in the extended position when the lock button 32 is in the lock position.

The lock button 32 is operable between the locking position and the rest position even without the use of the activation tool 38.

The control movement is for example a rotational movement. The locking button 32 is, for example, rotatable about the main axis X between the rest, locking and locking positions.

The locking button 32 has an outer surface 40 and an inner surface 42 facing the inner face 18 of the lock 14.

Advantageously, the outer surface 40 is smooth.

The protuberance 34 is shown in detail in FIG. 6. The protuberance 34 projects, for example, with respect to the inside face 18 of the lock 14. The protrusion 34 has a bearing surface 44.

In the example, the first stop 46 is formed by one side of the protuberance 34. In addition, the second stop 48 protrudes from the bearing surface 44 of the protuberance 34.

The bearing surface 44 extends the first stop 46.

The bearing surface 44 is adapted to be in contact with the lock button 32 when the lock button 32 is between the locking position and the locking position.

As shown in Figures 1 to 3, the protrusion 34 has an arcuate shape matching a portion of the path of the locking knob 32 during its rotational movement.

The first stop 46 is configured to allow the locking knob 32 to move from the home position to the lock position, when the lock button 32 is in the retracted position, and to prevent the locking knob 32 from being moved from the position locking to the locking position, when the lock button 32 is in the retracted position.

In addition, the first stop 46 is configured to allow the locking knob 32 to move from the locking position to the locking position after translation of the locking button 32 in the extended position.

The second stop 48 is able to limit the movement of the locking button 32 beyond the blocking position.

In the deployed position, the locking button 32 can not pass the second stop 48. The height of the second stop 48 along the main axis X is greater than the height of the first stop 46 along the main axis X. The distance between the second stop 48 and the inner face 18 is greater than the distance between the first stop 46 and the inner face 18.

When the locking button 32 is in the locking position, the locking button 32 bears against the bearing surface 44 of the protuberance 34, as shown in dashed lines in FIG. 6 along the axis X.

In one example, when the lock button 32 is in the rest or lock position, the lock button does not provide a socket for pulling the lock button 32 in the extended position. The return element 36 is configured to generate a restoring force along the X axis. The return element 36 acts, for example, continuously. The return element 36 is, for example, a spring. The biasing member 36 is configured to bias the lock button 32 from the extended position to the retracted position. The biasing member 36 keeps the knob 32 in the retracted position, preventing its movement past the first stop 46. The biasing member 36 prevents inadvertent passage of the lock knob 32 from the lock position to the blocking position. The activation tool 38 allows pushing the button 32 against the biasing member 36 so as to allow the locking button 32 to move in the extended position so that the button 32 can pass the first stop 46. , then the movement of the knob 32 in the blocking position. The activation tool 38 is adapted to cooperate with the housing 62 defined in the lock button 32 to move the button 32 from the locking position to the locking position. The activation tool 38 is operable from the outer space 12, by means of the passage 22. The activation tool 38 is advantageously a Bern key. A Bern key is a key defining a frustoconical four-sided housing. The activation tool 38, when it is inserted into the housing 62, makes it possible both to push the button 32 against the return element 36 towards the deployed position and to move the button 32 according to the control movement between the resting, locking or locking positions.

In the example shown, the locking system 8 further comprises a position indicator 64 of the lock button 32 on the outer surface 22. In addition, the locking system includes an outer position indicator 66 on the outer side of the locking member. outer space 12.

Advantageously, the indicators 64, 66 are tactile and visual indicators. The external indicator 66 is, for example, formed by external faces of a member rotatably mounted relative to the lock 14 and rotationally integral with the locking knob 32. Advantageously, the indicator 62 is a disk attached to the housing axis 62. A window is for example made in the outer face 20 of the lock 14 to allow viewing the outer indicator 66. Alternatively or additionally, the same type of indicator 64 is used for the inner indicator 64.

For example, each indicator 64, 66 represents signs corresponding to the positions of rest, locking or blocking.

The operation of the set 1 will now be described.

When the interior space 10 is free for use by a user, the door 4 is unlocked. The lock button 32 is in the rest position, as shown in Figure 1. The deadbolt 28 is in the rest position. A user can then open the door 4 by means of the outer handle 26, enter the interior space 10 and close the door 4.

Once inside, the user closes the door 4. It locks the door by grasping the outer surface 40 of the locking button 32 according to the control movement and by moving the latter, in the locking position, represented on the FIG. 2. The lock button 32 is moved by the user to make contact with the first stop 46. The first stop 46 prevents the lock button 32 from moving beyond its locking position without moving the button to the position deployed by the activation tool 38. The return element 36 prevents the user can put the button in the locked position from the interior space 10. The actuation of the locking button 32 moves the bolt dormant 28 in its locking position. The external indicator 66 indicates that the door 4 has been locked for the other users. Similarly, the position of the button 32 relative to the inner indicator 64 indicates that the door 4 has been locked to the user.

To exit, the user unlocks the door 4 by putting the lock button 32 in its rest position as shown in Figure 1, which puts the dead bolt 28 in its rest position and releases the door 4. The door 4 can then be opened by actuating the inner handle 24.

During these normal operating steps, the return member 36 and the protrusion 34 prevent the passage of the locking knob 32 in the locking position.

If necessary, an operator can manually block the door 4 by operating the activation tool 38.

From the outer space 12, the operator introduces the activation tool 38 into the passage 22. The activation tool 38 is inserted into the housing 62. The operator pushes the locking button 32 and turns the knob locking 32 by means of the activation tool 38.

The thrust of the activating tool 38 moves the button a sufficient height to allow the passage of the lock button 32 above the protrusion 34. Thus, the lock button 32 can pass the first stop 46 and be set in blocking position.

The button 32 is, for example, turned by the operator until it comes into contact with the second stop 48. The second stop 48 prevents the locking knob 32 from rotating beyond its blocking position. The operator can not turn the button beyond because the second stop 48 has a distance to the outer surface 22 greater than the maximum distance d of displacement of the housing 62. In addition, the return element 36 maintains the surface internal 42 of the locking button against the bearing surface 44 of the protuberance 34.

If the user is located in the interior space 10 while the locking button 32 has been put in the blocking position by an operator, he can put the locking button 32 in the locking position, then in the rest position, turning the knob 32 in a direction opposite to the second stop 48 the stops do not oppose the movement of the button 32 of the locking portion to the rest position. The locking operation from the outer space 12 is therefore reversible by the user located in the interior space 10 by means of the locking button 32.

In addition, the operator in the outer space 12 can also unlock the button 32 by using the activation tool 38.

In one embodiment, the locking system 8 further comprises a sensor adapted to detect whether the door 4 is closed or open.

In one embodiment, the locking system 8 further comprises a sensor adapted to detect whether the dead bolt 28 is in the locking position, in the rest position or in the locking position.

The sensors make it possible to count the number of locking state or blocking state over a period of time.

Claims (10)

1Locking system (8) of a door (4), comprising: - a lock (14), provided with a bolt (28) and a locking button (32), the locking button being movable according to a control movement for moving the bolt (28) between a rest position, a locking position and a locking position, and movable in translation along a main axis (X) between a retracted position and an extended position, the button locking member (32) being in the extended position when the locking knob (32) is in the locking position, - a first stop (46) preventing movement of the locking knob (32) from the locking position to the locking position (32). locking, when the locking knob (32) is in the retracted position, and allowing the locking knob (32) to move from the locking position to the locking position after translation of the locking knob (32) in the retracted position oyee. 2, - Locking system (8) according to claim 1, comprising an activation tool (38) for moving the locking knob (32) from the retracted position to the extended position. 3. - locking system (8) according to claim 2, wherein the activation tool (38) allows to move the locking button (32) according to the control movement, between the rest position, the position of lock and lock position. 4, - locking system (8) according to claim 2 or 3, wherein the lock (14) has an inner face (18) and an outer face (20) opposite, the locking button (32) being on the face interior (18), and the activation tool (38) being configured to manipulate the lock button (32) from the side of the outer face (20). 5. - locking system (8) according to any one of claims 1 to 4, comprising a biasing element (36) configured to return the lock button (32) to the retracted position. The locking system (8) according to any one of claims 1 to 5, including a second stop (48) configured to prevent movement of the lock knob (32) past the lock position. 7. - Locking system (8) according to claim 6, wherein the height of the second stop (48) along the main axis (X) is greater than the height of the first stop (46) along the axis principal (X). 8. - locking system (8) according to any one of claims 1 to 7, comprising a position indicator (64) of the lock button (32). 9. - locking system (8) according to any one of claims 1 to 8, wherein the first stop (46) is extended by a bearing surface (44) adapted to be in contact with the locking button ( 32) when the lock button (32) is between the lock position and the lock position. 10. - locking system (8) according to any one of claims 1 to 9, wherein the control movement of the locking button (32) is a rotation about the main axis (X).