Hinged closure

Abstract

The invention relates to a hinge closure comprising a first hinge part (1) for attachment to the outside of a door and a second hinge part (2) for attachment to the outside of a door frame, wherein the first hinge part (1) has an actuating device by means of which the first (1) and the second hinge part (2) can be locked and unlocked together. The actuating device interacts with a shaft (16) that is suitable for passing through the door. An internal handle (23) is arranged at the end of the shaft (16) opposite the actuating device, by means of which the first (1) and the second hinge part (2) can be locked and unlocked together. The shaft (16) is surrounded by at least one tubular section (18, 18').

Description

[0001] The invention relates to a hinge closure comprising a first hinge part for attachment to the outside of a door and a second hinge part for attachment to the outside of a door frame, wherein the first hinge part has an actuating device by means of which the first and the second hinge part can be locked and unlocked together, wherein the actuating device interacts with a shaft.

[0002] Hinge locks are components that allow doors or similar objects to be locked and simultaneously pivoted around the lock. For example, when using such hinge locks, it is possible to provide four locks on a door, with two locks positioned opposite each other. This allows the door to pivot on both long sides around the axis defined by the hinges. Such a hinge is known, for example, from WO 2014 / 079512 A1.

[0003] Hinge locks are frequently used on doors that have a cavity between two door panels. This cavity can be filled with insulating or soundproofing material, for example. These are referred to as sandwich doors. Such doors are commonly used in air conditioning and ventilation systems or refrigeration systems. For such systems, it is mandatory that the door be operable from the inside if the enclosed space exceeds a certain size. This prevents a person from being trapped inside the room if the door is accidentally closed. German patent DE 10 2017 129 427 83 proposes an emergency release device located on the inside of the door for this purpose. Pressing the emergency release device unlocks the hinge lock, allowing the door to be opened.The person trapped in the room can then leave through the doorway.

[0004] Door locks used on sandwich-construction doors often present the problem that considerable pressure must be applied to the locking hardware when attaching it to the door to ensure a reliable connection. Due to the thin walls of sandwich-construction doors and the insulating material between the outer surfaces, the doors can be deformed during the installation of the hardware. This negatively impacts the appearance and gives the impression of reduced quality. Furthermore, the deformation around the hardware can create gaps, compromising the intended seal. Consequently, moisture can penetrate the inner chamber of the sandwich-construction door.Furthermore, the deformation can damage the insulating or soundproofing material, which can also impair the quality of the insulation.

[0005] Based on this prior art, the present invention aims to create a hinged lock that, on the one hand, allows operation from both sides of the lock and, on the other hand, enables mounting on a sandwich-construction door without causing deformation of the door surfaces. According to the invention, this objective is achieved by the features of claim 1.

[0006] The invention provides a hinged lock that can be operated from both sides of the door and simultaneously prevents deformation of the door surfaces during installation. This fulfills the requirement that doors of equipment rooms in air conditioning and ventilation systems or refrigeration systems must also be openable from the inside. Furthermore, it prevents damage to the insulating material, thus avoiding any impairment of the insulation's quality. Deformation in the area of ​​the fittings and the resulting gap formation are also prevented, ensuring reliable sealing. This prevents moisture from penetrating the inner chamber of sandwich-construction doors.

[0007] In this embodiment of the invention, the pipe sections are provided with slots. The slots allow the pipe sections to spread, enabling the door panels to be reliably supported against the end faces of the pipe sections when the hinges are screwed on inside the door, thus effectively counteracting deformation of the door panels.

[0008] Preferably, the inner handle is mounted on an adapter. The adapter allows for flexible mounting options for various components.

[0009] It is advantageous to attach a safety bolt to the adapter. The safety bolt prevents the door from swinging open abruptly when opened from the outside, for example, if there is increased pressure inside the locked room relative to the outside environment. This reduces the risk of injury from a door springing open.

[0010] In a further development of the invention, the inner handle has a bore to which a rod connection can be attached. With the aid of the rod connection, it is possible to simultaneously unlock or lock adjacent hinge locks by operating only one handle. This significantly increases ease of use.

[0011] A mounting plate is preferably provided on which a tongue is arranged, the tongue having a cam which, in the assembled state, interacts with a cam guide. The combination of the cam guide and the cam forms an eccentric drive and enables linear movement of the cam along the longitudinal centerline of the first hinge part.

[0012] Other embodiments and configurations of the invention are specified in the remaining dependent claims. Exemplary embodiments of the invention are illustrated in the drawings and are described in detail below. The drawings show: Figure 1 : the exploded view of a hinge lock according to the invention; Figure 2 : the view of a door with four hinged locks; Figure 3 : the top view of the in Figure 2 depicted door; Figure 4 : the perspective representation of the in Figure 2 door shown in a partially open position; Figure 5 : the top view of the in Figure 2 Door shown in a partially open position.

[0013] The hinge closure according to the invention consists of a first hinge part 1 and a second hinge part 2. The first hinge part 1 is designed for attachment to the outside of a door A, whereas the second hinge part 2 is designed for attachment to the outside of a door frame B surrounding the door A. The hinge closure according to the invention is particularly intended for use on cavity doors formed by an outer door panel Aa and an inner door panel Ai. The cavity formed between the outer and inner door panels is typically filled with insulating or damping material.

[0014] The first hinge part 1 has a housing 3, which is essentially U-shaped. The housing 3 is provided with bores for screws to pass through for fastening to the door A. On the side facing the door, the first hinge part 1 is covered by a mounting plate 4, which also has four bores through which the screws for fastening to the door can pass. The mounting plate 4 has a bore 5 in its center. In the mounted state, the bore 5 is surrounded by a guide 6, which is pivotably arranged on the mounting plate 4.

[0015] Furthermore, a tongue 7 is arranged on the mounting plate 4, which has a cam 8 that, when mounted, interacts with the cam guide 6. The combination of the cam guide 6 and the cam 8 forms an eccentric drive and enables linear movement of the cam 8 along the longitudinal centerline of the first hinge part 1. A cover 9 is provided between the legs of the U-shaped housing 3, which has a quarter-circular section 10 at one end, with a slot 11 on both of its end faces. At its center, the cover 9 has a circular opening 12 surrounded by a rim. On the end face opposite the section 10, the cover 9 has a projection 12' that extends partially into the longitudinal sides of the cover 9.

[0016] The hinge latch has a handle 13 which is attached to the hinge latch by means of a fastening screw 14. The fastening screw 14 is covered by a plug-in element 15. In the assembled state, the handle 13 is located in the area of ​​the passage opening 12 and interacts with a shaft 16, 16'. The shaft 16 is long and therefore suitable for passing through the door. By using shafts of different lengths, it is possible to install the hinge latch according to the invention on doors of different thicknesses, as is the case with the [reference to be added]. Figure 1The short shaft 16' shown in the figure illustrates this. The short shaft 16' is also used when it is not necessary to fully open the door. In this case, the short shaft 16' can terminate in the area of ​​the mounting plate 4. The shaft 16, 16' has a contour 17 at its end facing the handle 13, which corresponds to a contour in the guide rail 6 and a contour in the handle 13. This ensures that a rotational movement of the handle 13 can be transmitted to both the guide rail 6 and the shaft 16, 16'.

[0017] In the exemplary embodiment, the shaft 16 is surrounded by two tube sections 18 and 18', which function as spacers. In a variation of the exemplary embodiment, only one tube section may be provided. The tube sections 18 and 18' are provided with slots at their opposite ends. In the assembled state, the tube sections 18 and 18' are supported on one side by the side of the mounting plate 4 facing away from the handle 13, which has a conical shape (not shown), and on the other side by a rosette 19, which is attached to the outside of the door plate Ai provided on the inside of the door. The rosette 19 has a tube section (not shown) in its center, which has a conical shape.

[0018] In its assembled state, the rosette 19 accommodates an adapter 20, which is provided with a contour 21. The contour 21 on the adapter 20 corresponds to a contour 22 on the end of the shaft 16 facing away from the handle 13. An inner handle 23 is arranged on the adapter 20. In the exemplary embodiment, a safety latch 24 is also attached to the adapter 20. Both the inner handle 23 and the safety latch 24 are fastened by means of a fastening screw 25. The inner handle 23 has a bore 26.

[0019] The second hinge part 2 is designed like a locking bridge. It includes a pin 2' which is supported in two bearing blocks 2". When the second hinge part 2 is installed, the pin 2' is aligned parallel to the door frame B. The bearing blocks 2" each have holes for screws to pass through for fastening to the door frame.

[0020] In the hinge closure according to the invention, the second hinge part 2 is attached to the outside of the space to be closed by the respective door on the door frame B. This is done using conventional fastening screws, which are screwed into the door frame B through the holes in the bearing blocks 2". Subsequently, the first hinge part 1 is mounted on the outside of the door A. This is done simply by assembling the first hinge part 1 by connecting the mounting plate 4, the guide 6, the tongue 7, and the housing 3 together using screws 27. The assembly of components thus formed is positioned on the outer door panel Aa such that the bore 5 in the mounting plate 4 is arranged over the hole in the door. In the assembled state, the shaft 16 passes through the bore in the door. At the same time, the shaft 16 is surrounded by the tubular sections 18, 18'.In this state, the handle 13 is placed on the first hinge part 1 and screwed to the shaft 16, 16' using the fastening screw 14. Likewise, the rosette 19 is placed on the inner door panel Ai. Then the adapter 20, the inner handle 23, and the security bolt 24 are mounted. The assembly of components is screwed together using the fastening screw 25.

[0021] The shaft 16 is tightened by screwing it in place using both the fastening screw 14 from the outside of the door and the screw 25 from the inside. Due to the conical shape of the rosette 19's tube section and the conical shape of the tube extension on the door-facing side of the mounting plate 4, tightening the shaft causes the tube sections 18 and 18' to spread apart. This is made possible by the slotted design of the opposite ends of the tube sections 18 and 18'. The spreading causes the door leaves Aa and Ai to bear against the tube sections 18 and 18' on the inside and outside of the door A, respectively. This prevents the pressure exerted on the door leaves Aa and Ai from becoming too great when tightening the shaft 16, i.e., when attaching the entire hinge assembly to the door, and thus prevents deformation of the door leaves.Rather, it is ensured that the cavity between the outer door panel Aa and the inner door panel Ai is not reduced in size. The appearance of door A is therefore compliant with regulations. This also prevents leaks in the area of ​​the hardware components caused by deformation of the outer door panel Aa and / or the inner door panel Ai.

[0022] The hinge lock is operated simply by actuating either the handle 13 or the inner handle 23 in the mounted position. Actuating either handle causes movement of the shaft 16 due to the interaction of contour 17 with the handle 13 or contour 21 with contour 22 on the adapter 20. This movement, in turn, causes movement of the cam guide 6 due to the contour provided in the cam guide 6. The cam guide 8 then moves the tongues 7 along the longitudinal centerline of the housing 3. When the hinge lock is opened from its originally closed position, the tongue 7 moves in the opposite direction to the locking bridge 2. This causes the tongue 7 to retract with its outermost end from the position held by the locking bridge 2.This releases the cover 9, allowing the door to be opened. Closing the door follows this process in reverse. Actuating the handle 13 or the inside handle 23 causes the tongue 7 to move linearly towards the locking bridge 2, so that the outermost part of the tongue 7, facing the locking bridge 2, moves under the pin 2" provided in the locking bridge 2. Simultaneously, the pin 2" is engaged in the slots 11 of the cover 9, thus locking the door A.

[0023] Due to the interior handle 23 provided on the inside of the room to be locked, according to the invention, it is possible for the first time to provide a hinged lock that also allows the door to be opened from the inside. This is particularly advantageous in emergency situations or if the door accidentally slams shut, as it allows the trapped person to open the door and leave the room independently. This reduces the risk of being locked in.

[0024] The safety bolt 24, located on the inside, prevents the door from swinging fully open when opened from the outside using the handle 13. This is particularly important in situations where there is increased pressure inside the room relative to the outside environment. In such cases, the door would open slightly, but the safety bolt 24 prevents it from swinging open completely. Instead, the safety bolt 24 rests against the inside of the door frame B, thus trapping the door A. This prevents it from opening on its own. Only when the handle 13 is returned to its starting position does the safety bolt 24 move into a position that allows the door to open.

[0025] In a variation of the exemplary embodiment, it is also possible to use the hinge lock according to the invention solely as a hinge. In this case, the cover 9' shown in the figures is designed without the through-opening 12. In this case, the entire mechanism for handle operation can be omitted; in particular, the handle 13, the inner handle 23, the safety bolt 24, and all parts that facilitate movement or enable opening and closing are eliminated. Another variation of the exemplary embodiment allows the hinge lock according to the invention to be operated not with a handle, but with a tool. For this purpose, a tool actuation 28 can be used, which can be placed on the through-opening 12 of the cover 9. It then takes over the function of the handle.The tool actuation 28 increases security against unauthorized opening of the respective door.

[0026] A rod connection 29 can be provided to connect adjacent hinge locks on a door. The rod connection 29 is then engaged on one side in the bore 26 of the inside handle 23 on a lower hinge lock, and on the other side in a comparable bore in another inside handle (not shown) on an upper hinge lock (see figure). Figure 4This allows a connection to be established to another hinge lock attached to the respective door if two or more hinge locks are arranged one above the other on a door. The interconnected hinge locks can then be operated synchronously with just one handle, whether operated from the inside or the outside. This rod connection 29 makes it possible, particularly with large or high-mounted doors that are equipped with several hinge locks on one side of the door, which is common for large or high-mounted doors, to operate them with just one handle.

[0027] Overall, the hinge lock according to the invention increases the application possibilities of known hinge locks. In particular, it ensures that the door can also be opened from the inside, which with previous hinge locks was only possible via an emergency release. Active locking and unlocking from the inside of the door was not possible with known hinge locks. Consequently, the hinge lock according to the invention increases both security and ease of use. At the same time, the safety bolt 24 provided according to the invention offers an additional means of increasing security, because it prevents the door from springing open on its own due to overpressure in the room if it is opened from the outside.Furthermore, with the help of the inner handle 23 and the bore 26 provided in it, it is possible to establish a connection to another hinge lock attached to the respective door using the rod connection 29, as shown in . Figure 4 This is evident. This rod connection 29 makes it possible, in the case of multiple hinge locks on one side of a door, which is particularly common with large or high-mounted doors, to operate the stacked hinge locks with just one handle. This is especially advantageous in cases where one of the two handles is difficult for the operator to reach due to the layout. Examples

[0028] Example 1: Hinge lock comprising a first hinge part (1) for attachment to the outside of a door and a second hinge part (2) for attachment to the outside of a door frame, wherein the first hinge part (1) has an actuating device by means of which the first (1) and the second hinge part (2) can be unlocked and locked together, wherein the actuating device interacts with a shaft (16) which is suitable for passing through the door, characterized in that an inside handle (23) is arranged at the end of the shaft (16) facing away from the actuating device, by means of which the first hinge part (1) and the second hinge part (2) can be unlocked and locked together, and that the shaft (16) is surrounded by at least one tube part (18, 18').

[0029] Example 2: Hinge closure according to Example 1, characterized in that the tube part (18, 18') is provided with slots.

[0030] Example 3: Hinge lock according to Example 1 or 2, characterized in that the inner handle (23) is arranged on an adapter (20).

[0031] Example 4: Hinge lock according to Example 3, characterized in that a safety latch {24) is attached to the adapter (20).

[0032] Example 5: Hinge lock according to one of the aforementioned examples, characterized in that the inner handle (23) has a bore (26) on which a rod connection (29) can be attached.

[0033] Example 6: Hinge lock according to one of the aforementioned examples, characterized in that a mounting plate (4) is provided on which a tongue (7) is arranged which has a cam (8) which in the assembled state interacts with a cam guide (6).

Claims

1. Hinge closure comprising a first hinge part (1) for attachment to the outside (Aa) of a door (A), wherein the first hinge part (1) comprises a cover (9) with a slot (11) and a passage opening (12), a second hinge part (2) for attachment to the outside of a door frame, wherein the second hinge part (2) comprises a pin (2'), an outer handle (13) or a tool actuation (28) by means of which an actuating device can be operated, and a shaft (16, 16'), wherein the outer handle or the tool actuation is arranged at one end of the shaft (16, 16'), wherein the shaft (16, 16') comprises a contour (17) configured to interact with the outer handle (13) or the tool actuation (28) such that a rotation of the outer handle or the tool actuation causes a rotation of the shaft (16, 16'), wherein the shaft (16,16') is adapted to extend through the passage opening (12) of the first hinge part (1), wherein the first hinge part (1) comprises the actuating device by which the first (1) and the second hinge part (2) can be locked and unlocked together, wherein the actuating device interacts with the shaft (16, 16'), wherein the actuating device comprises a mounting plate (4) for attachment to the outside of the door, and a movable tongue (7) by the movement of which the first hinge part (1) and the second hinge part (2) can be locked and unlocked together, wherein the movable tongue (7) is designed to lock a pin (2') of the second hinge part (2) with the slot (11) of the cover (9) in a locked state,and is further configured to be moved in a straight line along a longitudinal axis of the hinge lock away from the second hinge part (2) relative to the mounting plate (4) into an unlocked state in order to unlock the pin (2') from the cover (9) of the first hinge part (1), wherein the movable tongue (7) comprises a cam (8) which, in the assembled state, interacts with a cam guide (6) which is arranged on the shaft (16, 16'), such that a rotation of the shaft causes a movement of the movable tongue (7) via the cam guide (6) and the cam (8).

2. Hinge lock according to claim 1, characterized by the fact that the contour (17) on the shaft (16, 16') is further developed to interact with a contour on the cam guide (6) arranged on the shaft.

3. Hinge lock according to one of the aforementioned claims, characterized by the fact thatthe shaft (16) is designed to extend through the door, and the hinge lock further comprises an inner handle (23) which is arranged at one end of the shaft (16) on an inside of the door, wherein the actuating device can be operated by a rotation of the shaft (16) by the inner handle (23).

4. Hinge lock according to claim 3, characterized by the fact that the inner handle (23) is arranged on the shaft (16) via an adapter (20), the adapter comprising a contour (21) which is designed to interact with a contour (22) of the shaft (16) such that a rotation of the inner handle (23) causes a rotation of the shaft (16) via the adapter (20).

5. Hinge lock according to one of claims 3-4, further comprising a rosette (19) designed to be arranged on an inside (Ai) of the door (A), opposite the outside (Aa) of the door (A).

6. Hinge lock according to claim 5, characterized by the fact thatthe shaft (16) is surrounded by at least one tube section (18, 18') between the mounting plate (4) and the rosette (19).

7. Hinge lock according to one of the aforementioned claims, characterized by the fact that the passage opening (12) is a circular opening surrounded by a rim.

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