ES2202767T3 - ELECTRICAL LOCK CONTROLLED BY A SWITCH THAT CAN BE INHIBITED. - Google Patents

Abstract

THE INVENTION REFERS TO AN ELECTRIC LOCK FOR THE CLOSURE OF THE DOOR OF AN ENCLOSURE THAT CONSISTS OF: A BLOCKING ORGAN TO BLOCK THE DOOR SHEET IN CLOSED POSITION, ELECTRICAL SCAMOTING MEANS FOR THE INSTALLATION OF THE BLOOD ORGAN LOCATION , A SWITCH (3) THAT COMMANDS THE ELECTRIC POWER SUPPLY OF THESE SCAMOTING MEDIA, AND A CONTROL ORGAN (4) ACTIONABLE FROM THE OUTSIDE OF THE ENCLOSURE, ABLE TO ACT ON A SWITCH CONTROL ELEMENT (3). IT IS CHARACTERIZED BY THAT IT INCLUDES, ALSO, MEANS (12) ACTIONABLE FROM INSIDE THE ENCLOSURE TO INHIBIT THE ACTION OF THE COMMAND ORGAN (4).

Description

Electric lock controlled by a switch That can be inhibited.

The present invention relates to locks electric for closing a swing of an enclosure, especially for closing a trunk of vehicles cars

This type of locks comprises an organ of lock to lock the swing in closed position, means electrical to bring the locking device to the inactive position, and at least one switch that controls the power supply of these means. A main switch is provided with a control element in which a control body can act operable from outside the enclosure.

A lock of this type, when used for closing the hood of the trunk of the vehicle, it does not have all safety guarantees because, when the vehicle, during its path, is forced to stand, an individual can activate this Control body to open the trunk and steal its contents.

Especially, the object of the invention is solve this inconvenience. For this purpose, in accordance with the invention, the lock defined above comprises means operable from inside a trunk of a motor vehicle, to inhibit the action of the control organ on the switch principal. Of course an auxiliary switch is operable from the interior of the passenger compartment of the vehicle to allow the opening of the lock even after inhibition of the control organ associated to the main switch.

Accordingly, the invention aims at an electric lock for closing the swing of an enclosure, comprising a locking member to block the swing in closed position, electrical means of retracking to carry the inactive position to said blocking organ, a switch that controls the power supply of said retracking means, and a control body operable from outside the enclosure, liable to act on a control element of said switch, characterized by the fact that it further comprises means operable from inside the enclosure, to inhibit the action of said control body.

According to a first embodiment, the switch is fixed and the control body is both mobile in translation over a limited path, and in rotation between two different angular positions:

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in one of these angular positions, the control body, when it travels its translation path, find control element of the switch so that it acts on said switch;

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in the other position angular, the control body that runs along its trajectory of translation does not find mode switch control element You can't act on the latter.

A drive element, such as a button button, accessible from the outside, solidarity in translation with said control body allows the user to move in translation The control body. On the other hand, the rotation movement of the control body can only be produced from inside the enclosure, by means of a drive element such as a lever, accessible from inside the enclosure, and solidarity in rotation with said control body.

In this way, the possibility of putting the organ of control in an angular position in which it cannot, during its translation path, act on the switch, constitutes an advantageous embodiment of the means for inhibiting the invention.

According to a preferable embodiment, the control organ is a cylindrical piece mounted mobile in axial and rotating translation in a box correspondingly. The rotating drive element of said part, accessible from inside the enclosure, it is a lever made in a single piece with said piece, in the form of a projecting part of this last, which extends radially with respect to the axis of translation of the piece, through the box through an opening of the latter and extending to the outside of the box. The element externally accessible drive is a push button mounted axially movable in the box, coaxially and joined by the edges with said control piece. Likewise, elastic return means are provided to push the push-button to its resting position and to the once the control piece against said push button.

This preferable embodiment of the invention has the advantage of performing simply in a single piece the control piece and its operating lever in rotation, and use the same elastic return means to ensure, on the one hand, the return of the control piece and the push-button to its resting position and, on the other part, the solidarity in translation of these two elements.

According to a second embodiment, the organ control and switch are both mobile in translation, each one of them along a limited trajectory. The trajectory of the switch is delimited by two extreme positions:

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a first position for which its control element is in the path of the control body, and

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a second position for which your control element is out of this trajectory.

In addition, means are provided to make stable these two extreme positions of the travel path of the switch, so that during the actuation of the element of control of the switch by means of the control body, the forces exerted on the switch do not allow to move this latest.

A drive element, such as a push-button, accessible from outside the enclosure, solidarity in translation with said control body, allows the user to move the control body in translation to meeting of the means of elastic return. On the contrary, the switch travel offset can only be produced from inside the enclosure, by means of an element of actuation as a lever, integral in translation with said switch.

According to a preferable embodiment, the Push button is made in one piece with a generally cylindrical shaped piece that forms the organ of control, which is mounted mobile in translation in a shape box correspondent. In addition, the switch is mounted on a bracket mobile in translation in the box, in a limited trajectory. The drive element in translation of said support of switch, accessible from inside the enclosure, is a lever made in one piece with said support, in the form of a protruding part of this support, which extends radially with with respect to the axis of translation of said support, part in projection that crosses the box through an opening of the latter and that it extends outside said box.

This last preferable embodiment of the invention has the advantage of performing simply, in a single piece, push button and control piece allowing the inhibition of the action of the control piece in the switch, as indicated by the invention.

Other features and advantages of the invention will be revealed by reading the following description in several embodiments, description made in reference to attached drawing

In this drawing:

- Figure 1 is an exploded view that represents, in perspective and in mounting position, the different parts of a lock for a car trunk, according to a first embodiment of the invention;

- figure 2 represents in perspective said lock once mounted;

- Figure 3 is an axial section according to the plane III-III of figure 5 of the lock of the Figures 1 and 2, in which the control body has been represented in active rotation position and in translational position of repose;

- Figure 4 is an axial sectional view that it does not differ from figure 3 more than in the fact that the organ of control is in pushed translation position;

- Figure 5 is a cross section according to the V-V plane of Figure 3;

- Figure 6 is a cross-sectional view which does not differ from figure 5 more than the fact that the organ control is in idle rotation position;

- Figure 7 is an exploded view that represents, in perspective and in mounting position, the different parts of a lock for a car trunk according to a second embodiment of the invention;

- figure 8 represents in perspective said lock once mounted;

- Figure 9 is an axial section according to the plane IX-IX of figure 11, of the lock of the Figures 7 and 8, in which the control body is represented in rest position and switch in active position;

- Figure 10 is an axial sectional view that it differs from figure 9 only by the fact that the organ of control is represented in pressed position;

- Figure 11 is a cross section according to the XI-XI plane of Figure 13;

- Figure 12 is a cross section according to plane XII-XII of Figure 13;

- Figure 13 is an axial sectional view that it differs from figure 10 only by the fact that the switch is in inactive position; Y

- Figure 14 is an axial section according to the XIV-XIV plane of figure 9.

In the drawing, figures 1 to 6 represent a first embodiment of an electric lock according to the invention. As seen in the figures, the lock comprises: a cylindrical box formed by a keg 1 and a bottom 2; a switch 3 set on bottom 2; a control piece 4 of hollow cylindrical shape, mounted on the box (1, 2) to be able to slide axially and at the same time rotate around its axis; and a push button 5 coaxially mounted to the workpiece control 4 joining its edges with the latter.

Keg 1 is completely open in a end 1a, and comprises, at its other end, an annular wall coaxial 6 that forms a flange that allows fixing, for all suitable means such as welding, riveting, etc., of the box 1, 2 a a wall 7 of a trunk of a motor vehicle. The bottom of the box 2 presents, on its face turned towards the inside of the box, a Stirrup-shaped protruding part 8 forming a fixing member for switch 3. Bottom 2 is also provided externally of fixing fins 9 capable of cooperating, each one of them, with a corresponding fixing pin 10 provided on the perimeter face of skipjack 1, not far from the end 1a of the latter. In this way, the assembly of the box can be obtained in a very simple way by fixing the bottom 2 on the keg 1.

Switch 3 is interposed between a electrical circuit that allows the media power supply that control the setting in retracted position of an element of lock, like a latch, on the hood of the trunk of the vehicle. Saying electrical circuit, said control means, as well as said Locking element are not represented in the drawings and will not be described in the present invention, since they are well known for The subject matter expert.

Push button 5 comprises: a cylindrical part 5a that crosses the opening 6a with little play of the annular wall 6, and protruding outside the box; Y a part that forms a collar 5b of diameter greater than that of the opening 6a, housed in skipjack 1.

The control piece 4 is open at its end 4a turned towards the bottom 2. The part that forms the fixing element 8, as well as switch 3 penetrate through this open end 4a in the piece 4 and extend inside the latter. Two springs elastic return helicals 11 of axes parallel to that of the box, they are partially housed, each of them, in a blind hole 11a practiced from the final face, from the end side 4a, of the control piece 4, and interpose between the bottom 2 and the control piece 4. They have the function of returning part 4 and the push-button 5, which are joined by its face 5c on the side of collar 5b, in its resting position for which the collar 5b takes support on the side wall 6.

The constituent elements of lock 1, 2, 4, 11 are practiced and sized so that the springs 11 are are always in the prestressed state, and that subsists between the control piece 4 and bottom 2 a displacement d, when not exerts no pressure on the push button 5 on resting position (see figure 3). Thus, the springs 11 they constitute elastic return means for the push button 5 and control piece 4 and means to push the control piece 4 against the push button 5, in order to perform a solidarity in translation of these last two elements.

In addition, the control piece 4 has a part projection 12, which extends radially with respect to the axis of translation of part 4 that extends outside the box 1, 2 and through it through an opening rectangular 13 practiced on the wall of skipjack 1 from its 1st end. The projecting part 12 forms a drive lever in rotation of the control piece 4, lever that is not accessible more than from inside the trunk of the vehicle. A 90 ball pressed by a spring 91 is arranged in a housing 92 that it flows into the side wall of the control piece 4; the ball 90 it is pressed outwards and can cooperate with two slots 93 made in the inner side wall of skipjack 1 to constitute elastic stops corresponding to two limit switches of rotation of the piece 4 with respect to the barrel 1. The slots 93 are parallel to the axis of the keg 1.

As seen in greater detail in the cross sections of figures 5 and 6, opening 13 is angularly delimited by longitudinal edges 13a that limit the Rotary displacement possible for lever 12.

The control piece 4 has the function of actuate a control element 3a of the switch to change the position, open or closed, from the latter to the opposite position, closed or open For this purpose, piece 4 presents a protuberance 14, protruding from the face turned towards the switch 3, of the non-hollow bottom wall 4b of part 4.

As seen more clearly in the figures 5 and 6, the control piece 4 can be put, by pivoting around its axis, in two angular positions such that: in one of these positions, active call, represented in figure 5, the protuberance 14 faces the control element 3a; and in the other position called inactive, represented in figure 6, the protuberance 14 is angularly offset with respect to the control element 3a.

The boss 14 is sized so that, when the control piece 4 is in its angular position active (in reference to its rotation around its axis), and, in its Pressed translation position (in reference to its translation parallel to its axis), as shown in Figure 4, said protuberance 14 takes support in the control element 3a of the switch 3, and when the control piece 4 is in its active angular position and in its position at rest translation, as shown in figure 3, said protuberance 14 is separated from said control element 3a.

On the contrary, when the control piece 4 is found in its inactive angular position, as represented in Figure 6, the bulge 14 never comes into contact with the control element 3a, whatever the position in translation of said control piece 4.

The operation of the device just be described as follows: when control piece 4 is found in active angular position (figures 3, 4 and 5), it is possible actuate switch 3 to put it in the closed position, taking support on push button 5, which has by effect, moving the control piece 4 in translation to encounter of springs 11, along an axial distance equal to displacement d, until its extreme position pressed as is represented in figure 4, position for which the end 4a of the control piece 4 stops against the bottom 2. In this position of part 4, the boss 14 compresses the control element 3a causing the toggle of switch 3 of its state open to its closed state, and therefore the bonnet release of the trunk.

If control piece 4 is swung to put it in inactive angular position (see figure 6), the movement of translation of figure 4 to its extreme position pressed not will allow any action on the control element 3a of the switch 3 because the boss 14 is angularly displaced with respect to the control element 3a, so that all action on the push button 5 will be ineffective from the view of the switch actuation 3.

Figures 7 to 14 represent a second mode of embodiment of the invention. In these figures, the elements identical or analogous to those in figures 1 to 6 have the same references.

As seen in Figures 7 to 14, the background 20 of the box comprises two wings in the shape of a cylindrical segment separated from each other 21 that extend longitudinally in the inside the box and that delimit between them a space profiled, in which an arrow slider 22 is housed axially that switch 3 of the electric lock is set.

The cursor 22 has a recess 23 formed and dimensioned to be able to receive practically without game the body of switch 3. The setting of switch 3 to cursor 22 is secured by two pins 24 of cursor 22, each of which fits into a corresponding through hole 25 practiced in the switch body 3.

The control body is constituted by a general cylindrical part 40 mounted in the box to be able to slide axially. The piece 40 comprises a finger 41 which is extends axially in the direction of the bottom 20 of the box, and that presents at its free end a chamfered part that constitutes an inclined face 41a forming a cam designed to drive the control element 3a of switch 3.

On the side opposite finger 41, piece 40 it has an extension part of smaller section 42 that protrudes on the outside of box 1, 20, which forms a push button. The outgoing part 42 has a general cylindrical shape flanked by two diametrically raised opposites 42a that provide said part 42 with a section not circular. The opening 60a of the annular wall 60 fixed at one end of skipjack 1 has a shape corresponding to the section right of the part 42 that crosses with little lateral play said opening 60a. The projections 42a have the function of preventing all rotation around its axis of the piece 40.

In this way, the piece 40 constitutes at the same time the control body and the push button of the lock.

Two helical spring springs 11 of axes parallel to that of box 1, 20, are partially housed, each of them, in a blind hole 11a practiced from the final face of a corresponding wing 21. They have the function of of pushing piece 40 towards its rest position for which the shoulder 43 formed between the projecting part 42 and the rest, of greater section, of the piece 40, takes support against the annular wall 60.

The cursor 22 comprises a housing 26 which is extends transversely with respect to the sliding axis of the cursor. This housing receives a ball 27 pushed by a spring 28. Ball 27 is intended to fit into one or the other of two slots 29 practiced on the inside of one of the wings 21 of the bottom 20. The set of elements 26 to 29 constitutes a means to define two stable end of career positions of cursor slide 22.

The cursor 22 also has a part projection 30 forming a drive lever in translation of the cursor 22. Part 30 extends transversely with respect to the sliding direction of the cursor, goes through the kite 1 to through a rectangular shaped opening 31 practiced in the kite 1 from its open end 1a, and protrudes to the outside of box 1, 20. Opening 31 is sized to allow free movement with little lateral play of the lever 30.

The cursor end positions 22 are defined by the position of the slots 29. Figures 9, 10 and 14 represent the cursor 22 in the active call position, for the which the control organ 3a of the switch 3 is in the inclined surface trajectory 41a of the control piece 40. In figure 13 the cursor 22 is shown in position inactive call, for which the control element 3a of the switch 3 is outside the surface path inclined 41a.

Elements 21 and 40 are shaped and sized so that, in the rest position of part 40, subsists between the latter and the final face of the bottom wings 21 20 a displacement d1 constituting the length of the stroke of sinking of the push button 42.

The operation of the device just be described, is the following: when cursor 22 is in active position (figures 9, 10 and 14), it is possible to operate the switch 3 to put it in the closed position, pressing the push button 42, which has the effect of translation travel of the control piece 40 to the encounter of the springs 11, along an axial distance equal to displacement d1, to its extreme position pressed like the shown in figure 10, for which the control piece 40 butt against the final faces of the wings 21. During this displacement, the inclined surface 41a acts as a cam on the control element 3a to compress it and cause the rocker switch 3 from its open state to its state closed, and therefore the release of the trunk lid.

If cursor 22 is moved, with the help of the lever 30, to put it in its inactive position represented in the Figure 13, the movement of the piece 40 to its extreme pressed position will not allow any action on the control element 3a of switch 3 because the element of 3rd control is beyond the surface path inclined 41a, so that all action on the push button 42 is inefficient from the point of view of switch operation 3.

Claims (11)

1. Control device of a lock electric associated boot for closing a swing trunk, intended to be fixed to a wall (7) of a trunk, lock comprising a locking organ to block the swinging in closed position, electric means of retractable for bring to the inactive position said locking device, device comprising a switch (3) that controls the power electric of said retracking means, and a push button (4; 40) operable from the outside of the boot, capable of acting on the open / closed state of said switch (3), characterized by the fact that it further comprises means (12; 30) mechanics intended to be operated by a user only from inside the trunk, to inhibit the action of said push button (4; 40). 2. Control device according to claim 1, characterized in that said means (12; 30) actuated only from inside the boot are mechanically realized to prevent a change of state of said switch (3). 3. Control device according to any one of claims 1 to 2, characterized in that the switch (3) is fixed, by the fact that the push button (4) is movable, on the one hand, according to a first degree of freedom, in translation on a drive path and, on the other hand, according to a second degree of freedom, in rotation between a first position for which a control element (3a) of the switch (3) is in said path of actuation and a second position for which it is outside this path, due to the fact that actuation means (12) accessible only from inside the boot are provided to control the movement of the push-button (4) according to the second degree of freedom and by the fact that drive means (5) accessible from outside the boot are provided to control the movement of the push-button (4) according to the first degree of freedom. 4. Control device according to claim 3, characterized in that said driving path is a translation path, while said displacement, according to the second degree of freedom, of the push-button (4) is a rotating displacement between a first position, for which it finds the control element (3a) of the switch (3), and a second position, for which it does not find this control element. 5. Control device according to claim 4, characterized in that the drive means accessible from the outside of the boot are a push button (5) integral with the said push button (4), and in fact that the drive means accessible only from inside the boot are a lever (12) integral with rotation with said control member (4). 6. Control device according to any one of claims 1 to 2, characterized in that the push-button (40) is mobile in translation along a limited driving path, due to the fact that the switch ( 3) is mobile, between a first position, for which the control element (3a) of the switch (3) is along said driving path, and a second position, for which it is outside this path, by the fact that drive means accessible from outside the boot (42) are provided to control the movement of the push-button (40) along its drive path, and by the fact that drive means accessible from The interior of the boot (30) is provided to control the movement of the switch (3) between its first and second positions. 7. Control device according to claim 6, characterized in that the displacement of the switch (3) is a displacement in directional translation parallel to the translation of the control member (40). 8. Control device according to one of claims 6 or 5, characterized in that said push-button is made of a single piece (40) with a part forming a push-button (42) constituting said means of drive accessible from outside the boot. 9. Control device according to one of claims 6 to 8, characterized in that the switch (3) is mounted on a mobile support (22) between said first and second positions, and by the fact that this support ( 22) It is made in one piece with a lever (30) accessible from inside the trunk. 10. Control device according to one of claims 6 to 9, characterized in that means (26 to 29) are provided to make said first and second positions of the switch (3) stable to meet forces applied on the latter during the activation of the control element (3a) of the switch (3) by means of the push-button (40, 41, 41a). 11. Electric lock for a motor vehicle, characterized in that it comprises a device according to any one of claims 1 to 10.