HRP20200374T1 - Device for opening, closing and locking lamellae of a lamella construction - Google Patents

Claims (10)

1. Device for opening, closing and blocking lamellas (2) of lamellar construction, which contains at least one lamella framed around the perimeter (2), a peripheral profile of the blind frame (1), an opening unit, at least one connecting rod (7), at least one holder engagement pin (8), at least one lever (9), at least one curved plate (10) and at least one latch (11), whereby - at least one circumferentially framed lamella (2) is placed so that it is laterally connected to the profile of the blind frame (1) in each case by means of a swivel bearing (3) which has a pivot axis (12), whereby - at least one of the swivel bearings (3) has a shaft (13) which contains a first end face (14) facing the lamella (2) and which is equipped with a connector (16) for receiving the lamella (2) and the second end face (15) ), - the opening unit contains a linear drive (4), at least one pull rod (5) and at least one corner bend (6), whereby the linear drive (4) is located at the bottom or top of the section of the blind frame profile (1) which extends horizontally and the force transmission takes place in at least one pull rod (5), and each pull rod (5) is connected via an angle bend (6) to at least one vertically placed connecting rod (7) which is placed laterally in the profile blind frame (1), - each shaft (13) is assigned a catch pin holder (8) with a catch pin (24) and a lever (9), whereby - the lever (9) has a fixed end (18) which is non-rotatingly placed on the other end side (15) of the shaft (13) and has an angular elongated opening (20) which can be divided into a first arm (21) which is aligned radially in relation to the axis of rotation (12), the tip (S) and the second arm (22) at the first angle (α), - the engaging pin holder (8) has a fixed connection to the connecting rod (7) and the engaging pin (24) is positioned to enter the elongated groove (20), so that the linear movement of the connecting rod (7) between the upper end position (O) and the lower end position (U) can be converted into a rotary movement of the lamella (2) between the closed and open positions by means of the catch pin holder (8), the catch pin (24), the lever (9) and the shaft (13), and - the second arm (22) is aligned parallel to the connecting rod (7) when the engaging pin (24) is guided into the second arm (22) between the upper end position (O) and the tip (S), - each curved plate (10) has a fixed connection to one of the connecting rods (7) and each curved plate (10) has a groove (28) divided into two areas, the first area (29) which is located parallel to the connecting rod (7) and the adjacent second area (30) located in the direction of the lamella (2) at a second angle (ß), whereby - a latch (11) is attached to each curve plate (10), whereby - the latch (11) is placed in the profile of the blind frame (1) in such a way that it does not rotate, - the latch (11) has a guide pin (32) which is set to enter the groove (28) of the curved plate (10), and - an opening (33) is provided in the profile of the blind frame (1) and there is a slot (27) in the adjacent framed lamella (2) - into which the latch (11) enters when the upper end position (O) is set, where at the same time the guide pin (32) is located at the end of the second area (30) of the groove (28) and when the lamella (2) is in the closed position all engaging pins (24) are arranged in the end region of the other arms (22), or - from which the latch (11) comes out when the guide pin (32) is in the first area (29) of the slot (28), - the guide pin (32) is in the second area (30) of the groove (28) only in the case if the engagement pin (24) is in the second leg (22) and the lamella (2) is in the closed position. 2. Device according to claim 1, characterized in that a box-shaped insert is set in the recess (27) of the framed lamella (2). 3. Device according to claim 1 or 2, characterized in that the first angle (α) has a value of 135°. 4. Device according to claims 1 to 3, characterized in that the second angle (ß) has a value in the range greater than 90° and less than 180°, preferably a value of 135°. 5. Device according to claims 1 to 4, characterized in that the radius (r) between the tip (S) and the axis of rotation (12) is greater than the minimum distance (a) between the engagement pin (24) and the axis of rotation (12). 6. Device according to claims 1 to 5, characterized in that the catch pin holder (8) is arranged in such a way that it closes in the profile of the blind frame (1). 7. Device according to claims 1 to 6, characterized in that each of the sliding bearings (25) for linear guidance of the connecting rod (7) is located symmetrically in relation to the rotary bearings (3). 8. Device according to claims 1 to 7, characterized in that in the lamellar construction, which has several lamellas (2), each lamella (2) is located in connection with the connecting rod (7) on both the left and right sides, and in any case over the arm lever (9) and engagement pin (24). 9. Device according to claims 1 to 8, characterized in that for stability two connecting rods (7) are connected to each other and arranged on both sides of the profile of the blind frame (1), which connecting rods (7) both move simultaneously between their end positions ( O and U) via one linear drive (4). 10. Device according to claims 1 to 9, characterized in that the second arm (22) of the elongated opening (20) in the end region has an angular extension (23) of the elongated opening (20), due to which a pressure force can be obtained on the lamella (2 ) after taking the closed position.