EP1671001A1

EP1671001A1 - Lock

Info

Publication number: EP1671001A1
Application number: EP04763924A
Authority: EP
Inventors: Hans Dieter Niemann
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-09
Filing date: 2004-08-09
Publication date: 2006-06-21
Anticipated expiration: 2024-08-09
Also published as: DE502004011286D1; ATE471422T1; WO2005014958A1; RU2352744C2; EP1671001B1; SI1671001T1; RU2006106844A

Abstract

The invention relates to a lock (10) comprising a key-operated lock cylinder (12) having a cam (14), an element (16) carrying out a translatory motion, and a transmission device (18) for transmitting the motion of the cam (14) onto the element (16) in order to bring the element into the closed position or the open position by means of a device. The transmission device (18) comprises a first toothed wheel (20) that is arranged so as to be rotatable about the lock cylinder (12) and together with the cam (14). The aim of the invention is to improve a lock of the above-mentioned kind in such a manner that it allows for a reliable operation with simple technical means, that has small dimensions and that can be produced at low costs. For this purpose, the first toothed wheel (20) is recessed. Said recess receives the cam (14) and is dimensioned so as to allow for the lock cylinder (12) to be put through during assembly. The transmission device (18) comprises at least one additional toothed wheel (22) that intermeshes with the first toothed wheel (20) and is disposed on at least one first shaft (24) whose axis (W) extends at an angle to the lock cylinder axis. The device translates the rotational motion of the first shaft (24) into a translatory motion of the element (16).

Description

Lock

The invention relates to a lock with a lock cylinder, which can be actuated with a key and has a driver tongue, with a pushing movement-carrying element and with a transmission device for transmitting the movement of the driver tongue to the element, in order to move this by means of a device into the closed position or To move open position, wherein the transmission device has a first gear rotatably arranged about the lock cylinder and rotatable with the driver tongue.

Such locks are known. Among other things, they serve to lock window or door sashes with the frame. However, these locks or the transmission devices of these locks have a large number of toothed wheels. Usually there are up to seven gears that are necessary for the movement of the bolt and are used. In addition, this lock often has an excessive backset. It is quite possible that the first gear is a completely closed gear. However, the assembly is relatively complex.

BESTATIGUNGSKOPIE As a result, this lock is quite expensive to manufacture, but also prone to failure due to its complexity.

The invention is therefore based on the object of specifying a lock of the type mentioned, which ensures technically simple means that it is always safe to operate and at the same time has small dimensions and is inexpensive to produce. This object is achieved according to the invention in a lock of the type mentioned above in that the first gear has a recess in which the driver tongue is received and has such a dimension that the lock cylinder can be pushed through during assembly such that the transmission device has at least one second gear has, which meshes with the first gear and is arranged on at least one first shaft, the axis of which extends transversely to the lock cylinder axis, and that the device converts the rotational movement of the first shaft into a pushing movement of the element.

The essence of the invention is that only three elements are used to transmit the movement of the driver tongue to the element. The rotary movement induced by the driver tongue is transmitted to the first gear, which meshes with the at least second gear. Due to the movement of the first gear, the second gear and thus also the shaft are set in rotation, which in turn also leads to a movement of the device. Since the at least one shaft is arranged transversely to the lock cylinder axis, very small backset dimensions can also be achieved for the first time.

In this case, however, it can happen that after coming out of the meshing engagement of the first gearwheel with the second gearwheel, this second gearwheel has such a position that it can be immersed again or meshed with one another is at least made more difficult since the corresponding teeth of the first and second gearwheels are no longer in the intended position. On the one hand, this can be avoided by providing the outwardly facing surface of the driver tongue with a toothing that matches the first gear. To do this, however, it is necessary to subject this surface of the driver tongue to additional machining to remove the teeth.

If this is not desired, it is advantageous if the shaft is provided with a third gearwheel or spindle device which is at a greater distance from the second gearwheel than the recess in the region of the free end of the driving tongue and also with the first gearwheel combs. Since the distance between the second and third gear is larger than the recess in the area of the outer edge, one of the second and third gears always meshes with the first gear.

There are many possibilities for designing the device for converting the rotational movement of the first shaft into a pushing movement of the element. An advantageous embodiment is given in that the device has a spindle arranged on the shaft, which is in engagement with a transmission member of the element. Due to the rotation of the spindle, the transmission element, which is connected to the element, is positively guided and also positively moved, so that this results in a linear movement of the element.

Although there are several possibilities for the configuration of the transmission element, it is advantageously provided according to a further development of the invention that the transmission element is an insertable part that can be inserted into an opening of the thrust movements or one of the element or bolt projecting and integrally formed with this nose.

Of course, this nose can be arranged on almost all areas of the transom. A particularly compact construction results, however, if the nose is arranged at the inner end of the element or bolt.

According to a development of the invention, it is provided that the device has an external thread arranged on the shaft, which is in engagement with a threaded element arranged on the element.

It is possible that the threaded element consists of grooves arranged on the outside of the element or of an internal thread arranged in the element.

A special embodiment is given in that the device consists of a thread arranged on the shaft, which can engage in corresponding recesses arranged on the element.

It is also advantageous if the device has a disk arranged on the shaft, which is in engagement with a second spindle arranged on the element.

In contrast to the exemplary embodiment shown above, here the spindle is arranged on the element which executes a pushing movement, and this spindle is set in rotation by the disk.

In all the embodiments described so far, the first shaft is arranged virtually next to the locking cylinder. However, in order to be able to provide even smaller backset dimensions, it is advantageous if there is a second shaft which is arranged transversely to both the first shaft and the lock cylinder axis and has at least one fourth gearwheel. points, which meshes with the second or third gear. This second shaft can then be arranged above the locking cylinder in such a way that the second shaft then extends above the locking cylinder.

Of course, the orientations of the individual parts can also be chosen differently.

According to a development of the invention, it is provided that the element is an extension, a coupling piece of a push rod or a bolt.

There are many ways to design the toothing of the gears. However, it is advantageous if the first gear has helical teeth and the second or third gear is in the form of a bevel gear.

Of course, the shaft can be arranged in almost all areas around the locking cylinder with any but suitable orientations. A particularly simple arrangement is given when the shaft is approximately perpendicular to the axis of the lock cylinder.

In order to be able to induce two opposite linear movements either selectively or simultaneously with a transmission device, it is advantageous if the device is designed for the transmission of two opposite linear movements. However, this can be made possible, for example, by the spindle having two opposite slopes. However, it is also possible for the external thread to have two opposing pitches. Two elements for executing the pushing movement can then be articulated and thus moved on these components with the opposite slopes. But it is also possible that a further device is arranged on the shaft. This allows you to simultaneously two thrust-transmitting elements or bars are set into a linear movement.

So that an offset of the linear movements is possible, it is advantageous if at least one further transmission device is present. It is possible to move two elements in and out in the same direction. However, this can also be done in opposite directions if the device of the second transmission device has a corresponding slope.

It is also advantageous if the locking cylinder is a commercially available cylinder. Of course, other locking cylinders can also be used as long as they have the corresponding driver tongue.

Depending on the application, it is advantageous if the lock consists of metal or plastic or a combination thereof.

Further advantages and features of the invention result from the following description of several exemplary embodiments and from the drawings to which reference is made. Show it:

Fig.l is a partially sectioned side view of a lock according to a first embodiment; 2 shows a partially sectioned side view of the lock according to FIG. 1 seen along arrow A of FIG. 1; 3 shows a partially sectioned side view similar to FIG. 1 without a locking cylinder; 4 shows a side view of a lock according to a second exemplary embodiment; 5 shows a side view of a lock according to a third embodiment; 6 shows a side view of a lock according to one fourth embodiment; 7 shows a side view of a lock according to a fifth exemplary embodiment; and FIG. 8 shows a side view of a lock according to a sixth exemplary embodiment.

Several exemplary embodiments of a lock 10, 10 ¹ , 10 ", 10 ¹¹¹ and 10 ^w will now be described in more detail with reference to FIGS. ¹ to 8. The same reference numbers denote the same elements, unless stated otherwise.

The lock 10, 10 ¹ , 10 ", 10 ^I ", 10 ^IV and 10 ^v contains a lock cylinder 12 which can be operated with a key. By actuating the key, a driver tongue 14 is moved on a circular path in order to use a transmission device 18 to bring about a linear movement of an element 16 transmitting thrust movements into its closed position or its open position. In the exemplary embodiments described, this element that transmits a thrust movement is a bolt 16. However, this element 16 can also be the attachment or coupling piece of a push rod or a similar movement-transmitting element.

In all of the exemplary embodiments, the transmission device 18 comprises a first gearwheel 20 which is rotatable about the locking cylinder 12 and rotatable with the driver tongue 14. This first gearwheel 20 meshes with at least one second gearwheel 22 which is arranged on a shaft 24. At the end opposite the second gear 22, the shaft 24 is provided with a device 26, 28; 34, 36; 38, 40; 42, 44; 46, 48 provided that the bolt 16 in a linear or thrust movement.

As can be seen in FIGS. 1 to 3, in the first exemplary embodiment the device consists of a spindle 26 arranged on the shaft 24, into which a transmission member 28 of the bolt 16 engages. Although not shown in FIGS. 1 to 3, the spindle 26 can have two mutually opposite slopes. On the one hand, this is advantageous if the linear movement or the exit of the element or bolt 16 is to be freely selectable. On the other hand, however, it is also possible to simultaneously move two elements or bars 16 linearly opposite one another. However, these opposite linear movements can also be ensured in that a further spindle 26 is arranged on the shaft 24. However, this is also not shown in FIGS. 1 to 3. In order to be able to vary the positions of extending the element or the bolt 16 even further, it can be provided to arrange at least one further transmission device 18. Of course, the orientation of the individual transmission devices 18 can be freely selected. This in turn applies to all exemplary embodiments.

In the first embodiment, the transmission member is a nose 28 protruding from the latch 16 and located at the inner end of the latch 16. In this case, the nose 28 is formed in one piece with the bolt 16. However, it is also possible, which is not shown, to design the transmission member 28 as a separate part which can then be inserted into a corresponding opening in the element or bolt 16.

Although it is possible to design the first gear 20 to be completely closed, this leads to an increased assembly effort for the lock 10. As shown, it is simpler if the first gear wheel 20 has a cutout 30 in which the driver tongue 14 is received. In addition, the recess 30 has such a dimension on that the lock cylinder 12 can be inserted through this recess 30 during its assembly.

If, as shown, the locking cylinder is a commercially available profile cylinder 12, the recess 30 has approximately the shape of the outer contour of the profile cylinder 12. However, all commercially available cylinders and even special shapes can be used. It is possible, but not shown, to provide the outwardly facing surface of the driving tongue 14 with a toothing that matches the first gear 20. This serves to always ensure that the second gear 22 meshes with the first gear 20 or the corresponding toothing of the driving tongue 14 despite the presence of the recess 30. For this purpose, however, the driver tongue 14 must be subjected to further processing.

A simpler solution is shown in Figures 1 to 4, 6 and 8. This consists of a third gear 32 or, according to FIG. 8, of a spindle device 320 which is arranged on the shaft 24 from the second gear 22 at a distance which is greater than the recess 30 in the region of the free driving tongue 14. Of course this is third gear 32 arranged so that it meshes with the first gear 20. Since this distance between the second and third gear wheels 22 and 32 or between the second gear wheel 32 and the spindle device 32 'is greater than this clear width of the recess 30, there is at least one of the two gear wheels 22 or 32 or the second gear wheel 22 or the spindle device 32 ′ in meshing engagement with the first gear 20.

Of course, the first to third gear wheels 20, 22 and 32 can have any suitable shapes. In the illustrated embodiments of the lock 10, a helical toothing was selected for the first gear 20. The second and third gears 22 and 32 each have a bevel gear shape, the second and third gears 22 and 32 being arranged on the shaft 24 such that their respective smaller end faces are aligned with one another.

The arrangement of the shaft 24 with respect to the locking cylinder can of course be arranged depending on the desired location of engagement of the bolt 16 with the frame. In the first exemplary embodiment, the shaft 24 is arranged approximately perpendicular to the axis of the locking cylinder 12, namely approximately parallel to the vertical axis of the locking cylinder 12. As a result, the bolt 16 in the exemplary embodiment shown is moved in the direction of the vertical axis of the locking cylinder 12 into the desired position ,

If the locking cylinder or profile cylinder 12 is actuated with the help of a key (not shown) and the key is turned, the driver tongue 14 comes into engagement with the first gear 20 in the region of the recess 30. As a result, the first gear 20 is rotated and the rotational movement of the first gear 20 is transmitted to the second and third gears 22 and 32 meshing therewith. Since the second and third gears 22 and 32 are of course connected to the shaft 24 in a rotationally fixed manner, the rotation of the second and third gears 22 and 32 also sets the spindle 26 in rotation, which is also connected to the shaft 24 in a rotationally fixed manner. In this case, the nose 28 is in engagement with the spindle groove of the spindle 26 and, with the movement of the spindle 26 in the exemplary embodiment shown, is positively guided upwards or downwards depending on the direction of rotation of the shaft 24. Since the nose 28 is made in one piece with the bolt 16 in this case, the bolt 16 therefore also performs a linear movement upwards or downwards. The second to fourth exemplary embodiments illustrated in FIGS. 4 to 7 will now be described essentially with regard to their differences from the first exemplary embodiment.

4 shows a lock 10 ¹ , in which the device for converting the rotational movement of the first shaft 24 into a pushing movement of the element 16 consists of an external thread 34 arranged on the shaft 24, which has a threaded element 36 arranged on the element 16 is engaged. According to Figure 4, this threaded element 36 consists of grooves 38 which mesh with the external thread 34. The remaining parts of this lock 10 ¹ are identical to those of the first embodiment, so that a detailed description is omitted again.

If, in the second exemplary embodiment, the first gear wheel 20 is set in rotation, the shaft 24 and thus also the external thread 34 also rotates. Due to this rotation of the external thread 34, the grooves 38 which are in engagement with the external thread 34 become dependent on the direction of rotation of the shaft 24 positively guided upwards or downwards according to the drawing. The third exemplary embodiment shown in FIG. 5 differs not only in the type of device, but also with regard to the transmission device 18. This third exemplary embodiment has a second shaft 50 which is arranged transversely to both the first shaft 24 and the lock cylinder axis S. is. This second shaft 50 has at least a fourth gear 52 which meshes with the second or third gear 22 or 32. In the third exemplary embodiment shown in FIG. 5, the second shaft 50 has a fifth gear 54, which also meshes with the first gear 20 and is at a greater distance from the fourth gear 52 than the clear width of the recess 30. ie also in the first two embodiments The fifth gear 54 can be omitted if the measures listed in these exemplary embodiments are taken. As in the second exemplary embodiment, the third exemplary embodiment according to FIG. 5 also has an external thread 34. In contrast to the second exemplary embodiment, however, the element 16 is provided with an internal thread 40 arranged in a bore, into which the external thread 34 engages. The generation of the linear or thrust movement of the element 16 follows in a similar manner as in the second embodiment.

The fourth embodiment is shown in Fig.6. This fourth exemplary embodiment has certain similarities with regard to the device for converting the rotational movement of the shaft 24 into the linear or pushing movement of the element 16. The special feature here is that only a single thread 42 is formed on the shaft 24, which can engage in corresponding recesses 44 arranged on the element 16.

However, the remaining parts of this lock 10 ″ ¹ again correspond to the first and second exemplary embodiments, so that a detailed description is dispensed with.

In the fifth exemplary embodiment shown in FIG. 7, the device consists of a disk 46 arranged on the shaft 24, which is in engagement with a second spindle 48 arranged on the element 16. Because of the large frictional force to be ensured in this exemplary embodiment between the disk 46 and the second spindle 48, the second spindle 48 is also rotated by rotating the disk 46 and is thereby forced into a linear movement. Of course, the extending area of the element 16 can be made in one piece with the second spindle 48 or as an extra part. The remaining parts of this lock 10 ^IV correspond to those of the third embodiment of the lock 10 ", so that here too a detailed description is omitted.

FIG. 8 shows a sixth exemplary embodiment of a lock 10 ^v , which differs from the first exemplary embodiment only in that the spindle device 32 'is present instead of the third gear 32. For the rest, reference is made to the description of the first exemplary embodiment.

It is expressly pointed out that the exemplary embodiments described are not intended as a restriction. Although not explicitly shown in the figures, all devices can be used with all transmission gears or transmission parts.

Metal or plastic or a combination thereof can be selected for the lock 10.

According to the invention, an extremely compact and simple lock 10 is thus provided which is not only easy to manufacture, but also always works safely.

LIST OF REFERENCE NUMERALS:

Lock lock cylinder, cylinder driving tongue, shear-transmitting element, bolt, transmission direction, 1st gear, 2nd gear shaft, 1st spindle, transmission element, insert, nose recess, 3rd gear, spindle device, external thread, threaded element, groove, internal thread, thread recess, disc, 2nd spindle, 2nd shaft, 4th gear

Claims

Claims:

1. lock (10) with a lock cylinder (12), which can be actuated with a key and has a driver tongue (14), with a pushing movement-executing element (16) and with a transmission device (18) for transmitting the movement of the driver tongue (14 ) on the element (16) in order to move this into the closed position or the open position by means of a device (26, 28; 34.36; 38.40; 42.44; 46.48), the transmission device (18) A first gearwheel (20) rotatably arranged about the locking cylinder (12) and rotatable with the driver tongue (14), characterized in that the first gearwheel (20) has a recess (30) in which the driver tongue (14) is included and has such a dimension that the locking cylinder (12) can be pushed through during assembly, that the transmission device (18) has at least one second gear (22) which meshes with the first gear (20) and on at least a first shaft ( 24) is arranged, the axis (W) of which extends transversely to the lock cylinder axis (S), and that the device (26 ^, 28; 26'28,; 34, 36; 34 ', 36') detects the rotational movement of the first shaft (24) translates into a pushing movement of the element (16).

2. Lock according to claim 1, characterized in that the first shaft (24) with a third gear (32) or a spindle device (32 ') is provided, which or the second gear (22) is at a greater distance than the recess (30) in the area of the free end of the driver tongue (14) and also meshes with the first gear (20).

3. Lock according to claim 1, characterized in that the device has a shaft (24) arranged spindle (26) which is in engagement with a transmission member (28) of the element (16).

4. Lock according to claim 3, characterized in that the transmission member is an insertable into an opening of the thrust-transmitting element or an insert part of the element or bolt (16) projecting and integrally formed with this nose (28).

5. Lock according to claim 4, characterized in that the insertion part or the nose (28) at the inner end of the element or bolt (16) is arranged.

6. Lock according to claim 1, characterized in that the device has an on the shaft (24) arranged external thread (34) which is arranged with an element (16) arranged on the threaded element (36).

7. Lock according to claim 6, characterized in that the threaded element consists of grooves (38) arranged on the outside of the element (16) or of an internal thread (40) arranged in the element (16).

8. Lock according to claim 6 or 7, characterized in that the device consists of a on the shaft (24) arranged thread (42) which can engage in corresponding, on the element (16) arranged recesses (44).

9. Lock according to claim 1, characterized in that the device is arranged on the shaft (24) Disc (46) which engages with a second spindle (48) arranged on the element (16).

10. Lock according to one of claims 1 to 9, characterized in that a second shaft (50) is present, which is arranged transversely to both the first shaft (24) and the lock cylinder axis (S) and at least a fourth gear ( 52) which meshes with the second or third gear wheel (22, 32).

11. Lock according to one of claims 1 to 10, characterized in that the element is an extension, a coupling piece of a push rod or a bolt (16).

12. Lock according to one of claims 1 to 11, characterized in that the first gear (20) has helical teeth and the second, third and fourth gear (22,32,52) is bevel-shaped.

13. Lock according to one of claims 1 to 12, characterized in that the first or second shaft (24,50 ') extends approximately perpendicular to the axis of the lock cylinder (12).

14. Lock according to one of claims 1 to 13, characterized in that the device (26, 28; 34, 36; 38, 40; 42, 44, -46, 48) is designed for the transmission of two opposing linear movements.

15. Lock according to one of claims 1 to 14, characterized in that a further device (26) on the shaft (24) is arranged.

16. Lock according to one of claims 1 to 15, characterized in that at least one further transmission device (18) is present.

17. Lock according to one of claims 1 to 16, characterized in that the locking cylinder is a commercially available cylinder (12).

18. Lock according to one of claims 1 to 17, characterized in that the outwardly facing surface of the driver tongue (14) is provided with a toothing for the first gear (20).

19. Lock according to one of claims 1 to 18, characterized in that it consists of metal or plastic or a combination thereof.