Locking rod device and locking mechanism

Abstract

The invention relates to a locking bar device for connection to a door lock. This device comprises a housing (3); a locking bar connection device (5) which is movably mounted within the housing (3) and to which a locking bar (2) can be connected; a connection element (4) for connecting the locking bar connection device (5) to a door lock (S) which is movably mounted within the housing (3); and a lever mechanism (6) of which one end is mechanically coupled to the locking bar connection device (5) and the other end to the connection element (4).In order to achieve high functional reliability with a compact design, it is provided that two springs (7a, 7b) are arranged inside the housing (3), wherein both springs (7a, 7b) are supported at one end on the housing (3) and at the other end on the locking rod connection device (5), and wherein the springs (7a, 7b) act on the locking rod connection device (5) in the locking position.

Description

[0001] The present invention relates to a locking bar device according to the features of the preamble of claim 1.

[0002] To securely lock a door, locking devices with additional locking points are used in practice. These additional locking points are controlled by locking bars from a central door lock.

[0003] Document EP 3 299 556 A1 describes a locking device comprising a door lock and a bolt rod assembly connected to the door lock. The bolt rod assembly has a housing in which a bolt rod connection device is movably mounted to move a bolt rod connected to the bolt rod connection device between a locking position and an unlocking position. The bolt rod assembly further comprises a connection element that interacts with the locking mechanism of the door lock. The bolt rod assembly also includes a lever mechanism by which the bolt rod connection device and the connection element are mechanically coupled.

[0004] A displacement of the connecting element causes the locking bar to move from the locking position to the unlocking position. A spring is provided to actuate the locking bar connection device in the direction of the locking position.

[0005] The object of the present invention is to provide a bolt rod device that is structurally simple yet highly reliable. In particular, the bolt rod device should enable the easy retrofitting or upgrading of a door lock to a deadbolt lock. Preferably, the bolt rod device should be easy to install and easily replaceable in case of a defect.

[0006] This problem is solved according to the invention by a locking rod device according to the features of claim 1.

[0007] According to the invention, a locking bar device for a door or window or the like is proposed, which is designed for connection to a door lock for a door or window or the like, wherein the locking bar device comprises: a housing; a locking bar connection device which is movably mounted within the housing, wherein a locking bar can be connected to the locking bar connection device; a connecting element for connecting the locking bar connection device to a door lock, wherein the connecting element is movably mounted within the housing; a lever mechanism, one end of which is mechanically coupled to the locking bar connection device and the other end of which is mechanically coupled to the connecting element.

[0008] The essential feature is that a first spring and a second spring are arranged inside the housing, and that the first spring is supported at one end on the housing and at the other end on the locking rod connection device, that the second spring is supported at one end on the housing and at the other end on the locking rod connection device, and wherein the first spring and the second spring act on the locking rod connection device in the direction of its locking position.

[0009] The bolt rod device according to the invention allows for the simple upgrade or extension of a door lock. The bolt rod device can be connected to a door lock housing, in particular attached to or mounted on a door lock housing, to add the function of a bolt rod. In the event of a defect, the defective bolt rod device can be removed from the door lock housing and replaced with an intact one. This allows for easy repair or maintenance.

[0010] One advantage is that the use of two springs gives the locking bar device a high degree of operational reliability, as this creates a redundant design. Another advantage is that the use of two springs allows for a compact design while maintaining high spring forces.

[0011] In an advantageous embodiment of the locking bar device, the first spring and the second spring can both be designed as helical compression springs, and in particular, the first and second springs can be identical. Helical compression springs have the advantage, unlike torsion springs, that the force exerted by the spring is linear over the entire compression path. This reduces the risk of the locking bar tilting when extending into the locking position. The use of two identical springs allows for symmetrical force distribution on the locking bar, thereby reducing the risk of tilting.

[0012] Preferably, the first spring and the second spring can be arranged parallel to each other and spaced apart within the housing. By arranging the two springs at a distance from each other, the space between them can be used, for example, to mount parts of the lever mechanism of the locking bar device, or to create a passage for fasteners, thus achieving a compact and space-saving design of the locking bar device.

[0013] In an advantageous embodiment of the locking rod device, the housing comprises a housing top and a housing body with a housing bottom, wherein the housing top has a first through-opening and the housing bottom has a second through-opening, the first through-opening and the second through-opening defining a through-channel, the through-channel allowing the insertion of fasteners to attach the housing to a door leaf. In particular, the first through-opening and the second through-opening may be aligned. This alignment simplifies the design and facilitates the insertion of fasteners during the mounting of the housing to the door leaf.

[0014] Furthermore, the passage channel can be defined by a surrounding wall that completely encloses it. This surrounding wall protects the interior of the housing from contamination. Preferably, it prevents the ingress of dust or dirt into the housing. This helps prevent malfunctions, particularly during installation.

[0015] Furthermore, the passage channel can be arranged between the first spring and the second spring. By arranging the passage channel between the two springs, a compact and space-saving design of the locking bar device is achieved.

[0016] In an advantageous embodiment of the locking rod device, the connecting element extends with its free end through a wall of the housing, in particular a lower wall of the housing, and, when the locking rod device is connected to a door lock, interacts with a gear slide of the door lock, in particular a slide plate. This allows for easy retrofitting or expansion of a door lock. By connecting, attaching, or mounting the locking rod device to a door lock housing, the connecting element can engage within the door lock housing and interact there with a gear slide or a slide plate of the door lock. This interaction can be achieved by placing the connecting element within the range of motion of the gear slide or the slide plate.When the gear slide or slide plate is moved, the connecting element is actuated and moves along with it. The movement of the connecting element then moves the locking rod connection device, preferably together with a locking rod. A special connection between the gear slide or slide plate and the connecting element is not necessary, which significantly simplifies installation. Preferably, the lower wall of the housing of the locking rod device can serve as a guide for the connecting element.

[0017] In an advantageous embodiment of the locking rod device, the locking rod connection assembly comprises a support body with two connections for the two springs at one end and a connection section or receptacle for a locking rod at the opposite end. The support body, in particular, forms a bridge for the two springs to combine their characteristic curves. The control rod connection can be arranged centrally between the springs on the support body to achieve a symmetrical design, especially to reduce the risk of the support body tilting.

[0018] Preferably, the lever mechanism comprises a first lever element and a second lever element rotatably connected to each other, the second lever element interacting with the connecting element and the first lever element interacting with the support body. The lever mechanism translates the movement of the connecting element into a movement of the support body and the locking rod attached to the support body. Preferably, the lever mechanism is designed as a reversing mechanism, wherein a movement of the connecting element in a first direction causes a movement of the support body and thus of the locking rod in a direction opposite to the first direction.

[0019] Preferably, in one embodiment, the second lever element can be designed as an elongated, plate-shaped component with a hole in its center. The second lever element is rotatably mounted on the housing base via a bearing pin located on the housing base, which engages in the hole. Movement of the connecting element causes the second lever element to rotate about the bearing pin. The bearing pin defines an axis of rotation for the second lever element.

[0020] Preferably, the second lever element has a first lever arm and a second lever arm, and a bearing pin is arranged on the first lever arm of the second lever element. A roller is rotatably mounted on this bearing pin, with the first lever arm of the two-armed lever element bearing against the connecting element via the roller. The bearing pin defines, in particular, an axis of rotation for the roller. When the connecting element moves, the first lever arm rolls along the connecting element. This prevents mechanical wear of the first lever arm and the connecting element that would occur if the first lever arm of the two-armed lever element were in direct contact with the connecting element. The roller can also contribute to noise reduction.

[0021] Preferably, a bearing hole may be arranged on the second lever arm of the second lever element, and a pin may be arranged on the first lever element, the pin engaging in the bearing hole, thereby rotatably mounting the first lever element relative to the second lever element. The pin arranged on the first lever element particularly defines an axis of rotation of the first lever element relative to the second lever element. An arrangement is also possible in which a pin is arranged on the second lever arm of the second lever element and a bearing hole is arranged on the first lever element, the pin engaging in the bearing hole, thereby rotatably mounting the first lever element relative to the second lever element. The pin arranged on the second lever arm of the second lever element defines an axis of rotation of the first lever element relative to the second lever element.

[0022] Preferably, a pin is arranged on the support body and a hole is arranged on the first lever element, the pin engaging in the hole, thereby rotatably mounting the first lever element relative to the support body. The pin arranged on the support body particularly defines an axis of rotation of the first lever element relative to the support body. Alternatively, an arrangement is possible in which a hole is arranged on the support body and a pin is arranged on the first lever element, the pin engaging in the hole, thereby rotatably mounting the first lever element relative to the support body. The pin arranged on the first lever element defines an axis of rotation of the first lever element relative to the support body.

[0023] Preferably, a projection may be arranged on the support body which engages in a corresponding elongated hole arranged on the housing ceiling, whereby the locking rod connection device is guided linearly movable in the housing of the locking rod device.

[0024] Preferably, the locking device comprises a door lock and a locking bar device connected to the door lock according to one of the embodiments described above.

[0025] Furthermore, a door lock for locking or unlocking a door or window is proposed. The door lock is designed to have a lock housing to which a bolt rod device, according to one of the embodiments described herein, can be attached to upgrade the door lock to a multi-point locking system. The door lock has a movable gear slide or slide plate that interacts with the connecting element of the bolt rod device. A displacement of the gear slide or slide plate causes a displacement of the connecting element, thereby moving a bolt rod.

[0026] The inventive concept also includes a method for retrofitting a door lock with a locking bar device according to one of the embodiments described herein. The door lock has a door lock housing which has a removable wall section attached to one narrow side, top, or bottom by means of one or more screws, wherein the screw or screws are first loosened and the wall section removed, and then the locking bar device is attached to the door lock housing in place of the wall section or partially inserted into the door lock housing, and finally the screw or screws are tightened again to connect the locking bar device to the door lock housing.

[0027] Advantageously, this allows for a simple upgrade of the door lock, which can be carried out not only in the factory or a workshop, but also on site at a lock already present on a door or window.

[0028] In particular, the housing of the locking bar device can partially engage with the door lock housing. Specifically, the housing of the locking bar device can engage between the lock base and the lock top of the door lock housing.

[0029] To attach the locking bar device to the door lock housing, the housing of the locking bar device may have one or more through holes or threaded holes for receiving the screw(s), in particular the screws of the former wall section.

[0030] The wall section may have a through hole or a threaded hole, or several through holes or threaded holes, for receiving the screw or screws.

[0031] The wall section can extend along the upper or lower narrow side of the door lock housing, and can extend over the entire length of the narrow side or only over part of the length of the narrow side.

[0032] The process characteristics described herein naturally also apply to the device described herein and vice versa.

[0033] The invention is explained below by way of example using an embodiment and the accompanying drawings. The embodiment shown is to be understood as an example and not as limiting. Fig. Figure 1 shows a schematic view of a door. Fig. Figure 2 shows a representation of the locking bar device. Fig. Figure 3a shows a representation of the housing body of the locking rod device. Fig. Figure 3b shows a representation of the housing cover of the locking rod device. Fig. Figure 4a shows a representation of the locking rod connection device from a first perspective. Fig. Figure 4b shows a representation of the locking rod connection device from a second perspective. Fig. Figure 5a shows a representation of the lever mechanism from a first perspective. Fig. Figure 5b shows a representation of the lever mechanism from a second perspective. Fig. Figure 6 shows a representation of the housing body with the locking rod connection device, lever mechanism and springs included therein. Fig. Figure 7 shows a side view of the locking rod connection device, the lever mechanism and the springs. Fig. Figure 8 shows a representation of the unlocking process of the locking rod device. Fig. Figures 9a - 9d show the individual procedural steps for attaching the locking bar device to the door lock.

[0034] Fig. Figure 1 shows a schematic representation of a door. A door frame R is provided, to which a door leaf T is pivotally attached by means of two hinges. The door also has a lock receptacle in which a door lock S and a locking bar assembly 1 are arranged. The door lock S has a bolt SR and a latch SF. The bolt SR and the latch SF each engage with a corresponding receptacle in the door frame R. The locking bar assembly 1 is connected to the door lock S. The locking bar assembly 1 has a locking bar 2, which engages with a corresponding receptacle in the door frame R. The door lock S is mechanically coupled to the locking bar assembly 1. When the door lock S is in its locked position, the bolt SR, the latch SF, and the locking bar 2 engage in the corresponding receptacles on the door frame.When the door lock S is moved into the unlocked position, due to the mechanical coupling of the door lock S with the locking rod device 1, the lock bolt SR and the locking rod 2 are moved into their unlocked positions, in which the lock bolt SR and the locking rod 2 do not engage in the corresponding receptacles on the door frame R.

[0035] The locking bar device 1 is in Fig. Figure 2 shows the locking rod device 1 comprising the locking rod 2, a housing 3, and a connecting element 4. The housing 3 has a housing body 31 with a housing base 33. A housing top 32 is attached to the housing body 31. The housing has a through-channel D. The through-channel D allows the passage of fastening elements for mounting the locking rod device 1 to the door leaf T.

[0036] The housing body 31 is in Fig. 3a shown; the housing cover 32 is in Fig. Figure 3b shows the passage channel D. The passage channel D is formed by a first passage opening 34a located on the base 33 of the housing and a second passage opening 34b located in the top of the housing 32. The first passage opening 34a and the second passage opening 34b are aligned when the top of the housing 32 is attached to the housing body 31. The housing body 31 also has a wall 35 extending from the base 33 and completely surrounding the first passage opening 34a. When the top of the housing 32 is attached to the housing body 31, the wall 35 surrounds the passage channel D. The housing body 31 has threaded holes 39g for attaching the top of the housing 32 to the housing body 31. The threaded holes 39g also serve to attach the locking bar device 1 to the door lock S.

[0037] A locking rod connection device 5 and the connection element 4 are movably mounted in the housing 3. A lever mechanism 6 is also arranged in the housing 3. The locking rod connection device 5 and the connection element 4 are coupled by means of the lever mechanism 6. The locking rod connection device 5 and the lever mechanism 6 are described below: The locking rod connection device 5 is in the Fig. 5a and Fig. Figure 5b shows the locking rod connection device 5 from different perspectives. The locking rod connection device 5 has a support body 51, with a tubular connection section 52 arranged on an upper side of the support body, to which the locking rod 2 can be connected. The connection section 52 has an internal thread that engages with a corresponding external thread on the locking rod 2. A first support body pin 53a and a second support body pin 53b are arranged on an underside of the support body. The first support body pin 53a and the second support body pin 53b are aligned parallel to each other and have the same direction of extension as the tubular connection section 52.The support body 51 of the locking rod connection device 5 has a first side surface 51a facing the housing top 32 of the housing 3 of the locking rod device 1, and a second side surface 51b facing the housing bottom of the housing 3 of the locking rod device 1. The first side surface 51a is in . Fig. 4a is shown; the second side surface 51b is in Fig. Figure 4b shows that a projection 54 is arranged on the first side surface 51a of the support body 51. This projection engages in a corresponding elongated hole 38b located on the housing top 32, which serves to guide the locking rod connection device 5 linearly within the housing 3 of the locking rod device 1. A pin 55 is arranged on the second side surface 52b of the support body 51. This pin engages in a corresponding elongated hole 38a located on the housing bottom, which also serves to guide the locking rod connection device 5 linearly within the housing 3 of the locking rod device 1. The pin 55 also serves to connect the support body 51 of the locking rod connection device 5 to the lever mechanism 6.

[0038] The lever mechanism 6 is in Fig. 5a together with the locking rod connection device 5, the connection element 4 and the housing body 31 of the locking rod device 1 shown from a first perspective. Fig. Figure 5b shows the lever mechanism 6, the locking rod connection device 5 and the connection element 4 from a second perspective.

[0039] The lever mechanism 6 has a first lever element 61 and a second lever element 62. The first lever element 61 is designed as a single-armed lever element, and the second lever element 62 is designed as a double-armed lever element. The two-armed lever element 62 is designed as an elongated, plate-shaped component with a hole 63 in its center. A bearing pin 36, located on the housing base, engages in the hole 63 of the two-armed lever element 62, thereby rotatably mounting the two-armed lever element 62 on the housing base of the locking bar device. The bearing pin 36 on the housing base defines the axis of rotation of the two-armed lever element 62. The two-armed lever element 62 has a first lever arm 62a and a second lever arm 62b. A bearing pin 64 is arranged on the first lever arm 62a, on which a roller 65 is rotatably mounted. The first lever arm 62a of the two-armed lever element 62 rests against the connecting element 4 via the roller 65. A bearing hole 66 is arranged on the second lever arm 62b of the two-armed lever element 62, into which a pin 67 of the one-armed lever element 61 engages.

[0040] The single-arm lever element 61 is designed as an elongated, plate-shaped component and has a first end and a second end. At the first end of the single-arm lever element 61, the pin 67 is arranged, which engages in the bearing hole 66 of the second lever arm 62a of the two-arm lever element 62. The pin 67 defines the axis of rotation of the single-arm lever element 61. The single-arm lever element 61 is pivotally mounted about the pin 67 relative to the two-arm lever element 62. At the second end of the single-arm lever element 61, a hole is arranged into which the previously described pin 55 of the support body 51 of the locking rod connection device 5 engages.

[0041] The connecting element 4 is designed as an elongated component and has an elongated hole 41. A guide pin 37 is provided on the housing 3, which engages in the elongated hole 41 of the connecting element 4. The connecting element 4 is mounted to allow linear movement between two walls of the housing.

[0042] Fig. Figure 6 shows another view of the locking bar device. The housing 3 of the locking bar device 1 has a first housing pin 39a and a second housing pin 39b. The first housing pin 39a and the second housing pin 39b are essentially parallel to each other and are each aligned with the first support body pin 53a and the second support body pin 53b, respectively.

[0043] A first helical compression spring 7a is arranged between the first housing pin 39a and the first support body pin 53a, wherein a first end of the first helical compression spring 7a engages the first housing pin 39a and a second end of the first helical compression spring 7a engages the first support body pin 39b. A second helical compression spring 7b is arranged between the second housing pin 39b and the second support body pin 53b, wherein a first end of the second helical compression spring 7b engages the second housing pin 39b and a second end of the second helical compression spring 7b engages the second support body pin 53b. The first helical compression spring 7a and the second helical compression spring 7b are mounted under preload and act on the support body 53 of the locking rod connection device 5, forcing the locking rod into the locked position.

[0044] Fig. Figure 7 shows the locking bar device 1 in a side view. For better illustration, in Fig. Figure 7 of the housing body is not shown. The mechanism of the locking rod device 1 is arranged in two planes within the housing. In the first plane, which is located closer to the housing top 32, the support body 51, the first helical compression spring 7a, and the second helical compression spring 7b are arranged. In the second plane, which is located closer to the housing bottom, the first lever element 61 and the second lever element 62 are arranged. The connecting element 4 also engages in the second plane of the housing and actuates the lever mechanism 6 via the roller 65, which is mounted on the first lever arm 62a of the second lever element 62. The support body 51 of the locking rod connecting device, located in the first plane, engages the lever element 61 in the second plane via the pin 55. The pin 55 thus projects from the support body 51 into the second plane and engages in the hole of the first lever element 61.

[0045] The following describes the operation of the locking bar device 1. Reference is made to Fig. 8. When the locking rod assembly 1 is mounted on the door lock S, the connecting element 4 of the locking rod assembly 1 rests against a gear slide of the lock mechanism of the door lock S. The unlocking process is considered below, starting from the position in which the lock bolt SR and the locking rod 2 each assume their locking positions. When the door lock is actuated in the unlocking direction, the gear slide of the door lock is displaced linearly, which causes a linear displacement of the connecting element 4 of the locking rod assembly 1. Since the first lever arm of the two-armed lever rests against the connecting element 4, the displacement of the lever arm causes the two-armed lever to rotate. In doing so, the support body 51 of the locking rod connecting assembly 5 is displaced linearly against the action of the first helical compression spring 7a and the second helical compression spring 7b.The linear movement of the gear slide of the door lock causes a linear movement of the locking rod connection device 5, whereby the direction of movement of the gear slide and the direction of movement of the locking rod connection device 5 are opposite to each other. The lever mechanism 6 of the locking rod device 1 acts as a reversing mechanism.

[0046] In the Fig. Figures 9a to 9d show the steps for attaching the locking bar device 1 to the door lock S. Fig. Figure 9a shows the upper part of the door lock S, with the locking bar device 1 not yet attached to the door lock. An insert element 8 is shown in the upper part of the door lock S, which is attached to the door lock housing at three points (marked by arrows) with screws. The insert element 8 has corresponding threaded holes for the screws. The insert element 8 forms a side wall of the door lock S and is made of plastic. By loosening and removing the screws, the attachment of the insert element 8 to the door lock housing is released. Fig. Figure 9b shows how the insert element 8 is removed from the housing of the door lock by pulling it out. Fig. Figure 9c shows how the locking bar device 1 is mounted to the door lock S. For this purpose, the locking bar device 1 is slid onto the door lock S. Fig.Figure 9d shows how the locking rod device 1 is attached to the door lock S with the screws. Reference symbol list D through channel R Door frame S door lock SG gearbox valve SR lock bolt SF Castle Trap T door leaf 1 locking bar device 2 locking bars 3 cases 31 Housing body 32 Case top 33 Case base 34a first passage opening 34b second passageway 35 wall 36 bearing journals 37 guide pins 38a Slotted hole 38b Slotted hole 39a first housing pin 39b second housing pin 39g threaded hole 4 Connection element 41 elongated hole of the connecting element 5 locking rod connection device 51 carrier bodies 51a first side surface 51b second side surface 52 Connection section 53a first carrier body pin 53b second carrier body pin 54 lead 55 cones 6 Lever Mechanism 61 first lever element 62 second lever element 62a first arm of the two-armed lever element 62b first arm of the two-armed lever element 63 holes 64 Bearing pin 65 rolls 66 bearing hole 67 pen 7a first helical compression spring 7b second helical compression spring 8 Insert element QUOTES INCLUDED IN THE DESCRIPTION

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

[0000] EP 3 299 556 A1

[0003]

Claims

[1] Locking rod device (1) for connection to a door lock (S) for a door or window or the like, wherein the locking rod device (1) comprises: a housing (3); a locking bar connection device (5) which is movably mounted within the housing (3), wherein a locking bar (2) can be connected to the locking bar connection device (5); a connecting element (4) to connect the locking rods connecting device (5) to a door lock (S), wherein the connecting element (4) is movably mounted inside the housing (3); a lever mechanism (6) of which one end is mechanically coupled to the locking rod connection device (5) and the other end of which is mechanically coupled to the connection element (4), characterized by , that a first spring (7a) and a second spring (7b) are arranged inside the housing (3), and that the first spring (7a) is supported at one end on the housing (3) and at the other end on the locking rod connection device (5), that the second spring (7a) is supported at one end on the housing (3) and at the other end on the locking rod connection device (5), and wherein the first spring (7a) and the second spring (7b) act on the locking rod connection device (5) in the direction of its locking position. [2] Locking rod device (1) according to claim 1, characterized by , that the first spring (7a) is designed as a helical compression spring and the second spring (7b) is designed as a helical compression spring, in particular that the first spring (7a) and the second spring (7b) are designed identically to each other. [3] Locking rod device (1) according to claim 1 or 2, characterized by , that the first spring (7a) and the second spring (7b) are arranged parallel and spaced apart from each other inside the housing (3). [4] Locking rod device (1) according to any one of the preceding claims, characterized by , that the housing (3) has a housing top (32) and a housing body (31) with a housing bottom (33), wherein the housing top (32) has a first through-opening (34a) and the housing bottom (33) has a second through-opening (34b), wherein the first through-opening (34a) and the second through-opening (34b) define a through-channel (D), wherein the through-channel (D) allows the passage of fastening elements to attach the housing (3) to a door leaf. [5] Locking rod device (1) according to claim 4, characterized by , that the first passage opening (34a) and the second passage opening (34b) are aligned with each other. [6] Locking rod device (1) according to one of claims 4 or 5, characterized by , that the passage channel (D) is bounded by a surrounding wall (35) that completely surrounds the passage channel (D). [7] Locking rod device (1) according to any one of claims 4 to 6, characterized by , that the passage channel (D) is arranged between the first spring (7a) and the second spring (7b). [8] Locking rod device (1) according to any one of the preceding claims, characterized by , that the connecting element (4) extends with its free end through a wall of the housing (3), in particular through a lower wall of the housing (3), and in the case of a locking rod device (1) connected to a door lock (S) interacts with a gear slide (GS) of the door lock (S), in particular a slide plate. [9] Locking rod device (1) according to any one of the preceding claims, characterized by, that the locking rod connection device (5) has a support body (51) which has at one end two connections (53a, 53b) for the two springs (7a, 7b) and at its opposite end a connection section (52) or a receptacle (52) for a locking rod (2). [10] Locking rod device (1) according to claim 9, characterized by , that the lever mechanism (6) comprises a first lever element (61) and a second lever element (62) which are rotatably connected to each other, wherein the second lever element (62) interacts with the connecting element (4) and the first lever element (61) interacts with the support body (51). [11] Locking rod device (1) according to claim 10, characterized by, that the second lever element (62) is designed as an elongated plate-shaped component in the center of which a hole (63) is arranged, wherein the second lever element (62) is rotatably mounted on the housing base (33) via a bearing pin (36) arranged on the housing base (33) which engages in the hole (33). [12] Locking rod device (1) according to one of claims 10 or 11, characterized by , that the second lever element (62) has a first lever arm (62a) and a second lever arm (62b), and that a bearing pin (64) is arranged on the first lever arm (62a) of the second lever element (62), on which a roller (65) is rotatably mounted, wherein the first lever arm (62a) of the two-armed lever element (62) rests against the connecting element (4) via the roller (65). [13] Locking rod device (1) according to claim 12, characterized by, that a bearing hole (66) is arranged on the second lever arm (62b) of the second lever element (62), and that a pin (67) is arranged on the first lever element (61), wherein the pin (67) engages in the bearing hole (66), whereby the first lever element (61) is rotatably mounted with respect to the second lever element (62). [14] Locking rod device (1) according to claim 13, characterized by , that a pin (55) is arranged on the support body (51) and a hole is arranged on the first lever element (61), wherein the pin (55) engages in the hole, whereby the first lever element (61) is rotatably mounted with respect to the support body (51). [15] Locking rod device (1) according to any one of claims 9 to 14, characterized by, that a projection (54) is arranged on the support body (51) which engages in a corresponding elongated hole (38b) arranged on the housing ceiling (32), whereby the locking rod connection device (5) is guided linearly movable in the housing (3) of the locking rod device (1). [16] Locking device for a door of a building, characterized by , that the locking device comprises a door lock (S) and a locking rod device (1) connected to the door lock (S) according to one of the preceding claims. [17] Door lock for locking or unlocking a door or window, characterized by, that the door lock (S) has a lock housing to which a locking rod device (1) according to one of claims 1 to 15 can be connected in order to upgrade the door lock (S) to a deadbolt lock, wherein the door lock (S) has a movable gear slide (SG) or a slide plate which interacts with the connecting element (4) of the locking rod device (1), wherein a displacement of the gear slide (SG) or the slide plate causes a displacement of the connecting element (4) in order to move a locking rod (2). [18] Method for upgrading a door lock (S) with a locking bar device (1) according to any one of claims 1 to 15, characterized by, that the door lock (S) has a door lock housing which has on a narrow side or on the top or on the bottom an interchangeable wall section (8) fastened by means of one or more screws, wherein first the screw or screws are loosened and the wall section (8) is removed and then the locking bar device (1) is attached to the door lock housing in place of the wall section (8) or is partially inserted into the door lock housing and then the screw or screws are tightened again to connect the locking bar device (1) to the door lock housing.

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