Espagnolette lock with one main lock and at least one secondary lock

Abstract

In a drive rod lock with a main lock (4) and at least one secondary lock (5), a drive rod (8) can be driven into a locking position, an unlocking position, and a daytime operating position. In the daytime operating position, only one main latch (11) of the main lock (4) is in a protruding position. The drive rod (8) can be locked in the daytime operating position by means of a daytime operating switch (9).

Description

[0001] The invention relates to a drive rod lock with a main lock and at least one secondary lock, with a drive rod for coupling the main lock to the secondary lock, with a main bolt and a main latch of the main lock and with a secondary bolt and a secondary latch of the at least one secondary lock, with a receptacle for a locking cylinder and with a follower in the main lock, with a gear coupling the receptacle for the locking cylinder to the drive rod, wherein the drive rod can be moved into a locking position in which the main bolt, the secondary bolt, the main latch and the secondary latch are set in a protruding position and wherein the drive rod can be moved into an unlocking position in which the main bolt and secondary bolt are set in the retracted position and the main latch and the secondary latch are set in a protruding position.

[0002] Such a drive rod lock is known from EP 2 072 723 A2. With this drive rod lock, the main bolt and the additional bolt can be locked synchronously by actuating the locking cylinder, and the additional latch and the main latch can be retracted synchronously by means of a follower or by actuation via the locking cylinder. However, the disadvantage of this drive rod lock is that an electric door opener would require a very large construction effort, because a separate electric door opener would be necessary for each secondary lock.

[0003] Furthermore, EP 2 543 798 A2 discloses a self-locking lock in which the drive rod can be blocked by means of a manually operable locking device. The locking device has a pivoting arm for this purpose. A disadvantage of this self-locking lock, however, is that the drive rod can be blocked either in the unlocked or locked position.

[0004] The invention is based on the problem of developing a drive rod lock of the type mentioned at the beginning in such a way that it is particularly simple in construction and offers versatile application possibilities.

[0005] This problem is solved according to the invention in that the drive rod can be fixed in a daytime functional position in which the main latch is set in the protruding position and the main bolt, secondary bolt and secondary latch are set in the retracted position.

[0006] This design gives the espagnolette lock three functional positions, which can be controlled with a single espagnolette. The daytime functional position differs from the unlocking position, however, in that only the main latch is pre-tensioned into the protruding position, and all secondary latches are retracted. Therefore, the espagnolette lock according to the invention only requires a single electric door opener for the main latch. In the unlocking position, however, the secondary latches are also pre-tensioned into the protruding position. In this case, a door equipped with the espagnolette lock according to the invention cannot be unlocked using a door opener on the main latch alone. The espagnolette lock is therefore particularly simple in design and, with its three functional positions, offers extremely versatile application possibilities.

[0007] According to another advantageous development of the invention, the espagnolette lock behaves like a conventional espagnolette lock when the daytime functional position of the espagnolette corresponds to an end position. This design ensures that the daytime functional position is only activated when the espagnolette is moved beyond the unlocked or locked position.

[0008] According to another advantageous development of the invention, resetting the main lock from the daytime operating position to the unlocked position is particularly simple if a decoupling element for retracting the main latch above the locking cylinder receptacle has a clearance relative to the drive rod. The clearance in the main lock allows the drive rod to be held in the daytime operating position with the secondary latch retracted, while the main lock is moved into the unlocked position with the main latch protruding. Thanks to the invention, additional means for differently controlling the main latch and the secondary latch are not required.

[0009] According to another advantageous development of the invention, the fixing of the drive rod in the daytime function position is particularly simple in terms of construction if the drive rod has a daytime function switch and if the daytime function switch optionally blocks or releases the movement of the drive rod in the daytime function position.The daytime function switch can comprise a housing which can be connected to a faceplate, in which housing an actuating slide which is arranged in a guide and can be displaced parallel to the direction of movement of the drive rod and has a handle which is accessible on the faceplate side, in which housing a locking slide which can be displaced essentially in the direction of movement of the drive rod and is pretensioned towards the faceplate is mounted, which, in the daytime position of the daytime function switch, projects with at least one projection into the path of movement of the drive rod and blocks the latter in its unlocking position, wherein the actuating slide and locking slide each have inclined control surfaces which can be brought into sliding contact with one another when the actuating slide is displaced, whereby the vertical movement of the actuating slide leads to a horizontal movement of the locking slide.

[0010] To operate the espagnolette lock, the espagnolette is moved via the locking cylinder or the follower to the end position, which corresponds to the daytime function position. The daytime function switch is then activated to hold the espagnolette in the daytime function position. After releasing the follower or returning the locking cylinder to its home position, the main lock activates the unlocking position and moves the main latch into the protruding position.

[0011] According to another advantageous development of the invention, the secondary lock is particularly simple in design if the secondary lock has a slider coupled to the drive rod and a guide slot for a pin of the secondary bolt, and if the slider can be moved into the range of motion of a pivot plate that controls the secondary latch. The shape of the guide slot allows the secondary bolt and the secondary latch to be controlled independently of each other. Preferably, the guide slot has a section arranged parallel to the direction of movement of the drive rod in order to control the pivot plate and thus the secondary latch when the secondary bolt is retracted.

[0012] According to another advantageous development of the invention, versatile control of the components of the main lock can be easily achieved if a control wheel has a gear coupled to the transmission and a control plate coupled to the gear in a rotationally fixed manner, and if the control plate extends into the movement range of the decoupling element. Preferably, the decoupling lever releases or closes a positive connection between the follower and the connecting rod slide.

[0013] According to another advantageous development of the invention, the main latch can be retracted independently of the drive of the connecting rod slide by driving the control wheel, provided the decoupling element has a free passage in the connecting rod slide and is positioned opposite a latch lever that retracts the main latch. This design allows the connecting rod slide and thus the connecting rod to remain in the unlocked position, in which the secondary latch is retracted. The main latch is retracted by further driving the control wheel via the decoupling element.

[0014] The steering wheel could, for example, be designed as a single piece. However, according to another advantageous embodiment of the invention, the steering wheel can be manufactured particularly cost-effectively if the control plate is attached to the gear coupled to the transmission.

[0015] According to another advantageous development of the invention, damage to the gear due to incorrect operation of the main lock can be easily avoided if a mis-switching safety device has a mis-switching cam that is displaceably guided and pre-tensioned away from the control wheel by a mis-switching spring and can be moved by the drive rod connecting slide into the movement range of the control plate.

[0016] A temporary separation of the steering wheel from the connecting rod enables, for example, the driving rod to be driven via the follower. According to another advantageous development of the invention, the temporary separation of the steering wheel from the connecting rod is particularly simple in terms of construction if the steering wheel has a partial gear extending over a first pitch circle, if the partial gear meshes with a rack section arranged on the connecting rod connecting slide, and if the steering wheel is decoupled from the connecting rod connecting slide when the partial gear is rotated out of the rack section.

[0017] According to another advantageous development of the invention, the displacement of the connecting rod slide can be limited by the control wheel if the control wheel has a partial cylinder that extends beyond the plane of the partial gear wheel and if the connecting rod slide has at least one recess for receiving the partial cylinder. This design provides the control wheel with three axial planes and enables particularly versatile control of the main lock components. The length and number of recesses allow for optional coupling or decoupling of the connecting rod slide.

[0018] According to another advantageous development of the invention, the main lock is reliably protected against tampering if one of the recesses is semicircular, corresponding to the shape of the partial cylinder, and if the partial cylinder is arranged in the semicircular recess in the locked position. This design prevents the connecting rod slide from being moved in the locked position without driving the control wheel and thus the locking cylinder.

[0019] According to another advantageous development of the invention, the movement of the connecting rod slide is reliably limited between the daytime operating position and the unlocking position if one of the recesses is elongated and if the partial cylinder is held in the daytime operating position and the unlocking position in the elongated recess.

[0020] The invention permits numerous embodiments. To further clarify its basic principle, one of them is shown in the drawing and is described below. This shows in Fig. 1 a door with a connecting rod lock, Fig. 2 enlarges a main lock and two secondary locks of the espagnolette lock from Fig. 1, Fig. 3, Fig. 4 enlarged components of the main lock in front and rear view in a locked position, Fig. 5, Fig. 6 enlarged front and rear view of components of the main lock in an unlocked position, Fig. 7, Fig. 8 enlarged components of the main lock in front and rear view in a daytime functional position, Fig. 9, Fig. 10 enlarged components of the main lock in front and rear view when unlocking via a locking cylinder, Fig. 11, Fig. 12 enlarged components of the main lock in front and rear view when unlocking via a handle nut, Fig. 13 a day function switch of the espagnolette lock in longitudinal section, Fig. 14 perspective view of a steering wheel of the main castle.

[0021] Fig. Figure 1 schematically shows a door with a leaf 2 that can be locked in a frame 1 and with a connecting rod lock 3. The connecting rod lock 3 has a main lock 4 arranged in the leaf 2 and two secondary locks 5, 5'. Striking plates 6, 7, 7' are arranged opposite the main lock 4 and the secondary locks 5, 5' in the frame. The secondary locks 5, 5' are connected to the main lock 4 via a longitudinally movable connecting rod 8. The connecting rod also has a daytime function switch 9. The movement of the connecting rod 8 can be optionally blocked or released via the daytime function switch 9. The main lock 4 has a main bolt 10 and a main latch 11. The secondary locks 5, 5' have a secondary bolt 12 and a secondary latch 13. The main lock 4 has a receptacle 14 for a locking cylinder (not shown) and a follower 15 for driving the drive rod 9, the main bolt 10 and the main latch 11.The strike plate 6 of the main lock 4 has an electric door opener 16 to release the positive locking with the main latch 11.

[0022] Fig. Figure 2 shows an enlarged view of the main lock 4 and one of the secondary locks 5 in a locked position, in which the main bolt 10, the main latch 11, the secondary bolts 12, and the secondary latch 13 are projected. The movement of the drive rod 8 is enabled by the daytime function switch 9. The receptacle 14 for the locking cylinder is coupled to a control wheel 18 via a gear 17.

[0023] The secondary lock 5 has a slider 19 which is positively connected to the drive rod 8 and thus coupled in movement. The slider 19 has a slotted guide 20 for a pin 21 of the secondary bolt 12. The secondary latch 13 is operatively connected to a pivot plate 22. The pivot plate 22 projects into the movement range of the slider 19, so that in an end position of the slider 19, the pivot plate 22 pivots and the secondary latch 13 is retracted into the secondary lock 5. This position of the secondary bolt 12 and the secondary latch 13, retracted into the secondary lock 5, is in Fig. 2a. If the daytime function switch 9 is activated in the end position, thus blocking the movement of the drive rod 8, the main bolt 10, the secondary bolt 12, and the secondary latch 13 are held in the retracted position, and only the main latch 11 is in the protruding position.

[0024] The Fig. Figures 3 to 12 show the main lock 4 in front and rear view in various positions. For simplification, a lock case, guides or the Fig. 2, the gear 17 between the control wheel 18 and the receptacle 14 for the locking cylinder is not shown. Furthermore, the front edge of the main lock 4 is shown in dash-dotted lines to illustrate the protruding and retracted positions of the main bolt 10 and the main latch 11. The respective position of the Fig. The drive rod 8 shown in Figure 2 corresponds to a drive rod connecting slide 23 connected to the drive rod 8.

[0025] The steering wheel 18 has a large diameter gear 24, which is connected to the gear 17 of Fig. 2 is coupled. Furthermore, the control wheel 18 has a partial gear 25 arranged coaxially to the large-diameter gear 24. In the locked position, the partial gear 25 meshes with a rack section 26 fastened to the connecting rod connection slide 23. A control plate 27 is also fastened to the large-diameter gear 24. The control plate 27 can be moved into the range of movement of a decoupling element 29 by rotating the control wheel 18 with a control lug 28. In a third plane, the control wheel 18 has a partial cylinder 30 which is movable in recesses 31, 32 of the connecting rod connection slide 23. One of the recesses 31 is semicircular, with a contour corresponding to the partial cylinder 30. The other recess 32 is elongated.

[0026] The decoupling element 29 can be moved into the range of movement of a pivotably mounted latch lever 33.

[0027] The Fig. 3 and Fig. 4 shows the main lock 4 in the locked position. In this position, the main bolt 10 and the main latch 11 are in a protruding position. The connecting rod slide 23 and thus the connecting rod 8 are in a lower end position. The main bolt 10 projects with a pin 34 into a horizontal section of a link 35 arranged in the connecting rod slide 23. The main latch 11 is preloaded into the protruding position by a latch spring 36. The partial gear 25 engages in the rack section 26. The partial cylinder 30 is located in the semicircular recess 31. In the locking position shown, the movement of the connecting rod slide 23 in the direction of movement of the connecting rod 8 is blocked by the partial cylinder 30 of the control wheel 18 located in the semicircular recess 31.The movement of the main bolt 10 is blocked by the pin 34 located in the straight section of the guide 35 of the connecting rod slide 23. Retraction of the main latch 11 by driving the follower 15 is possible, but does not unlock the connecting rod lock 3.

[0028] If you drive from the locking position out of the Fig. 3 and Fig. 4 the control wheel 18 over the receptacle 14 for the locking cylinder, the partial gear 25 of the control wheel 18 meshes with the rack section 26 of the connecting rod slide 23. This leads to a Fig. 5 and Fig. 6. In this unlocking position, the connecting rod slide 23 and thus the connecting rod 8 are in a central position. The main bolt 10 is retracted into the main lock 4. The partial cylinder 30 is located at one end of the elongated recess 32 of the connecting rod slide 23.

[0029] Fig. 7 and Fig. 8 show a daytime functional position of the drive rod lock, in which the drive rod connecting slide 23 and thus the drive rod 8 are in an upper end position, as shown in Fig. 2a with the secondary lock 5. In this daytime operating position, the partial cylinder 30 is located at the second end of the elongated recess 32. The partial gear 25 and the rack section 26 are decoupled from one another. The decoupling element 29 is directly opposite a projection 37 of the latch lever 33. Likewise, the control lug 28 attached to the control wheel 18 is opposite the decoupling element 29. In the daytime operating position shown, the main latch 11 is pretensioned into the protruding position by the latch spring 36.

[0030] If, starting from the day function position or the unlocking position, the control wheel 18 is driven via the receptacle 14 for the locking cylinder, the position shown in the Fig. 9 and Fig. 10. With this drive, the main latch 11 is retracted into the main lock 4. The control plate 27, mounted on the control wheel 18, with the control lug 28, has pressed the decoupling element 29 against the projection 37 of the latch lever 33. The latch lever 33, in turn, retracts the main latch 11 into the main lock 4.

[0031] If you drive the follower 15 from the day function position or the unlocking position, you reach the position shown in the Fig. 11 and Fig. 12. The follower 15 immediately retracts the main latch 11. Furthermore, the follower 15 rotates a latch pivot plate 39 via a latch pull 38, which in turn drives the connecting rod slide 23 via a pin 40. The decoupling element 29 is not moved along in this process because it has limited clearance in a guide 41 in the connecting rod slide 23.

[0032] In the Fig. In the positions shown in Figures 9 to 12, the drive rod 8 is in the uppermost position, driven by the follower 15 or the receptacle 14 for the locking cylinder. In this position, the Fig. Open the door shown in Figure 1 and activate or deactivate the day function switch 9 to optionally block or release the drive rod 8.

[0033] A fail-safe device 42 has a fail-safe cam 44 pre-tensioned by a fail-safe spring 43 away from the control wheel 18. This fail-safe cam 44 is opposite a projection 45 of the connecting rod slide 23. In the Fig. In the end position of the drive rod connection slide 23 shown in Figures 7 to 12, the mis-switching cam 44 is supported by the projection 45 of the drive rod connection slide 23 in the range of movement of the control plate 22 fastened to the control wheel 18.

[0034] The mis-switching device 42 blocks the movement of the control wheel 18 in the daytime function position. This mis-switching device 42 is only released when the movement of the drive rod 8 and thus of the drive rod connection slide 23 is released again by actuating the daytime function switch 9.

[0035] Fig. 13 shows a greatly enlarged longitudinal section through the day function switch 9 from the Fig. 1 and Fig. 2 with adjacent areas of the drive rod 8, which is guided longitudinally on a faceplate 46. The daytime function switch 9 has a locking element 48 guided in a housing 47 parallel to the direction of movement of the drive rod 8. The locking element 48 is spring-elastic and is supported by a locking hook 49 on a locking web 50 of the faceplate 46. A locking foot 51 of the locking element 48 blocks the downward movement of the drive rod 8. If the locking hook 49 is pushed away from the locking web 50, as shown in the drawing by dot-dash lines, the locking element 48 with the locking foot 51 can be removed from the end of an elongated hole 52 in the drive rod 8, thus releasing its downward movement.An alternative daytime function switch 9 (not shown) can also comprise a housing which can be connected to a faceplate, in which housing an actuating slide which is arranged in a guide and can be displaced parallel to the direction of movement of the drive rod and has a handle which is accessible on the faceplate side, in which housing a locking slide which can be displaced essentially in the direction of movement of the drive rod and is pretensioned towards the faceplate is mounted, which, in the daytime position of the daytime function switch, projects with at least one projection into the path of movement of the drive rod and blocks it in its unlocking position, wherein the actuating slide and locking slide each have inclined control surfaces which can be brought into sliding contact with one another when the actuating slide is displaced, whereby the vertical movement of the actuating slide leads to a horizontal movement of the locking slide.

[0036] Fig. 14 shows for clarification the steering wheel 18 of the Fig. 1 - 12 in an enlarged view. The individual components and functions of the steering wheel 18 are shown in the Fig. 3 to 12. It can be seen that the partial cylinder 30 projects axially beyond the partial gear 25. QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] EP 2 072 723 A2

[0002] EP 2 543 798 A2

[0003]

Claims

[1] Espagnolette lock with a main lock (4) and at least one secondary lock (5), with an espagnolette (8) for coupling the main lock (4) to the secondary lock (5), with a main bolt (10) and a main latch (11) of the main lock (4) and with a secondary bolt (12) and a secondary latch (13) of the at least one secondary lock (5), with a receptacle (14) for a locking cylinder and with a follower (15) in the main lock (4), with a gear (17) coupling the receptacle (14) for the locking cylinder to the espagnolette (8), wherein the espagnolette (8) is movable into a locking position in which the main bolt (10), the secondary bolt (12), the main latch (11) and the secondary latch (13) are set in a protruding position, and wherein the espagnolette (8) is movable into an unlocking position,in which the main bolt (10) and secondary bolt (12) are in the retracted position and the main latch (11) and secondary latch (13) are in a protruding position, characterized by that the drive rod (8) can be fixed in a daytime functional position in which the main latch (11) is set in the protruding position and the main bolt (10), secondary bolt (12) and secondary latch (13) are set in the retracted position. [2] Espagnolette lock according to claim 1, characterized by that the daytime functional position of the drive rod (8) corresponds to an end position. [3] Espagnolette lock according to claim 1 or 2, characterized by that a decoupling element (29) for retracting the main latch (11) has a clearance relative to the drive rod (8) above the receptacle (14) for the locking cylinder. [4] Espagnolette lock according to one of claims 1 to 3, characterized bythat the drive rod (8) has a day function switch (9) and that the day function switch (9) optionally blocks or releases the movement of the drive rod (8) in the day function position. [5] Espagnolette lock according to one of claims 1 to 4, characterized by that the secondary lock (5) has a slide (19) which is coupled in movement to the drive rod (8) and has a slotted guide (20) for a pin (21) of the secondary bolt (12), and that the slide (19) can be moved into the range of movement of a pivot plate (22) which controls the secondary latch (13). [6] Espagnolette lock according to one of claims 3 to 5, characterized by that a control wheel (18) has a gear (24) coupled to the gear (17) and a control plate (27) coupled to the gear (24) in a rotationally fixed manner, and that the control plate (27) projects into the movement range of the decoupling element (29). [7] Espagnolette lock according to one of claims 3 to 6, characterized bythat the decoupling element (29) has a free passage in the drive rod connecting slide (23) and is opposite a latch lever (33) which retracts the main latch (11). [8] Espagnolette lock according to claim 6 or 7, characterized by that the control plate (27) is attached to the gear (24) coupled to the gear (17). [9] Espagnolette lock according to one of claims 6 to 8, characterized by that a misswitching safety device (42) has a misswitching cam (44) which is displaceably guided and pretensioned away from the control wheel (18) by a misswitching spring (43) and can be moved by the drive rod connecting slide (23) into the movement range of the control plate (27). [10] Espagnolette lock according to one of claims 6 to 9, characterized bythat the control wheel (18) has a partial gear (25) extending over a first pitch circle, that the partial gear (25) meshes with a rack section (26) arranged on the drive rod connection slide (23), and that the control wheel (18) is decoupled from the drive rod connection slide (23) in the position of the partial gear (25) rotated out of the rack section (26). [11] Espagnolette lock according to claim 10, characterized by that the control wheel (18) has a partial cylinder (30) which extends beyond the plane of the partial gear wheel (25) and that the connecting rod connecting slide (23) has at least one recess (31, 32) for receiving the partial cylinder (30). [12] Espagnolette lock according to claim 11, characterized by that one of the recesses (31) is semicircular, corresponding to the shape of the partial cylinder (30), and that the partial cylinder (30) is arranged in the semicircular recess (31) in the locking position. [13] Espagnolette lock according to claim 11 or 12, characterized by that one of the troughs (32) is elongated and that the partial cylinder (30) is held in the elongated trough (32) in the daytime operating position and the unlocking position.

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