Abstract
A control unit 1 for the lock of a safe having a front housing part 4 and a rear h housing part 3. A controller 6 is integrated in the control unit 1 that, when a correct combination is entered in the keypad 5, moves a module through a motor 11 in the number of turns corresponding with this combination. The module has a transmission board 8 integrated in the housing 2 of the control unit 1 and a bolt 9 for actuating the safe's lock.
Claims
1. Control unit (1) for the lock of a safe with a multipart housing (2) that has a front housing part (3) and a rear housing part (4), wherein a controller (6) is integrated in the control unit (1) that, when a correct combination is entered in the keypad (5), through a motor (11) rotates a module having a transmission board (8) arranged in the housing (2) of the control unit (1) and a bolt (9) for actuating the safe's lock by the number of turns corresponding with this combination.
2. Control unit in accordance with claim 1, wherein release takes place through a control unit (9) that enables manual adjustment of the front housing part (4) with regard to the rear housing part (3) between a normal position and a function position, whereby in the last-mentioned position the front housing part (4) can be rotated against the rear housing part (3).
3. Control unit in accordance with claim 1, wherein the front housing part (4) pivots with regard to the rear housing part (3) in the direction of their joint longitudinal axis (7) between a normal position and a pulled out position.
4. Control unit in accordance with claim 1, wherein a handle (10) is integrated in the front part of the housing (4) through which the front housing part (4) can be moved between the normal position and the function position.
5. Control unit in accordance with claim 5, wherein the keypad (5) is integrated in the front housing part (4).
6. Control unit in accordance with claim 5, wherein the front housing part (4) and the transmission board (8) are non-positively connected to each other in the pulled out position of the front housing part (4).
7. Control unit in accordance with claim 6, wherein a gear wheel connection serves for the non-positive connection.
8. Control unit in accordance with claim 5, wherein a rim (13) extends in the axial direction of the transmission board (8) that shows the turns of the front housing part (4) in interplay with a sensor integrated in the control unit (1).
9. Control unit in accordance with claim 8, wherein the rim (13) has a large number of openings (14-16) that correspond to the coding of the control unit (1).
10. Control unit in accordance with claim 1, wherein both housing parts (3, 4) are designed to be removed.
11. Control unit in accordance with claim 10, wherein if the front and rear housing parts (3, 4) are removed the transmission board (8) serves to open the lock.
12. Control unit in accordance with claim 8, wherein the transmission board (8) is fitted with a scale (17) on its front side (20).
13. Control unit in accordance with claim 11, wherein the transmission board (8) has a gear rim (19) on its front side (20).
Description
[0019] Additional details and advantages of the subject-matter of the invention can be taken from the following description of the corresponding drawing, in which a preferred example for carrying the invention is shown with the details and the parts that are required for this.
[0020] FIG. 1 Shows a control unit and a lock housing in the closed position,
[0021] FIG. 2 Shows a control unit and a lock housing in the open position,
[0022] FIG. 3 Shows an exploded view of the essential components,
[0023] FIG. 4 Shows a perspective view of the control unit and a transmission board,
[0024] FIG. 5 Shows a top view of a transmission board,
[0025] FIG. 6 Shows the interior of the control unit in the normal position and
[0026] FIG. 7 Shows control unit in accordance with FIG. 6 after pulling out.
[0027] FIG. 8 Shows a cross-section through a housing focussing on the handle,
[0028] FIG. 9 Shows a control unit with the swivelling handle in the closed state and
[0029] FIG. 10 Shows a control unit with the swivelling handle in the open state.
[0030] Without the safe door, FIG. 1 shows a control unit 1 and a lock housing 33, connected via the bolt 9, in the closed position. The catch 24 projects to the side out of the lock housing 33. Bolt 9 must be rotated to operate it. Prerequisite for this is first of all the input of the correct code by means of the keypad 5 in the front housing part 4 facing away from the safe door. As an example, two keys 22 and 23 are shown with reference numbers.
[0031] The illustration in FIG. 2 shows the unit consisting of the lock housing 33 and the control unit 1 after a turn of the front housing part 4 in a clockwise direction to open the door, which can be recognised very clearly by means of the turned keypad 5, which makes it possible for the user to ascertain at first glance that the safe door is not locked and that therefore there is possibly a need for action. Turning the housing 2 or the front housing part 4 now makes it possible to apply the torque to the bolt 9, so that the catch 24 can be pushed into the opened position shown here.
[0032] FIG. 3 shows the components of the housing 2 in an exploded view. The bolt 9 can be seen, which forms a joint module with the transmission board 8. On the front side 20 opposite the bolt 9 the transmission board 8 has the rim 13 and on its outside the gear rim 12. The base plate 25 is used to fasten the housing 2 to the safe door. A spacer 34 follows and then the rear housing part 3 in the form of a ring, which can be fitted in a single position only. The controller along with the energy supply is then designated generally with the reference number 6 and the motor with 11. A further space ring shows the reference number 35 and the front housing part 4 plus keypad 5 then forms the front closure of the housing.
[0033] FIG. 4 shows the housing 2 with the front housing part 4 and the rear housing part 3 and the keypad 5 on the one hand and a transmission board 8 together with the base plate 25 on the other hand. The external gear rim 12 with a great number of teeth positioned running all round can be clearly seen. The same applies to the rim 13 projecting from the surface of the transmission board 8, which shows the setting in interaction with a sensor that is assigned to housing 2 and is not shown here. Three of the corresponding holes show the reference numbers 14 to 16.
[0034] In the top view FIG. 5 shows the multifunction component transmission board 8 in conjunction with the base plate 25. In the event that the control unit is defective, perhaps because the batteries are exhausted, the control unit can be removed and the locking device can be activated directly via the transmission board 8 through the gear rim 19. In addition, thanks to the gear rim 12 the transmission board 8 can be connected non-positively to the control unit that is not shown here. As examples, some teeth show reference numbers 26 to 29. In addition, on the front side 20 of transmission board 8 rim 13 with a great number of openings extends from the surface of transmission board 8. This rim 13 shows the positioning, so that the optical sensor allocated to the control unit can record the turns by orienting towards these openings. The scale 17 for the numbers 1 to 100, which correspond to the settings, can also be seen.
[0035] FIGS. 6 and 7 a show an inside view of the control unit 1 in the normal position as shown in FIG. 6 and in the pulled out position as shown in FIG. 7. It be seen clearly that in the former there is no engagement between transmission board 8 and front housing part 4, which can also be seen in that the outer end 31 of the transmission board 8 is not aligned with the web 32 of the front housing part 4; there is no tooth connection.
[0036] This is then different in FIG. 7, front housing part 4 was pulled out slightly in the direction of the longitudinal axis 7 of the two housing parts 3, 4, transmission board 8 and front housing part 4 have entered a non-positive connection, the outer end 31 of the transmission board 8 and web 32 are aligned with each other.
[0037] FIG. 8 shows a cross-section through the housing 2 with a special focus on the handle 10 under the numerical field on the keypad that is arranged against the force of the spring 38. The compression force is then transmitted to the transmission board 8 with the front end 39 of the handle 10. If the handle 10 is namely actuated from outside through pressing in the direction of the arrow 36, this moves the front housing part 4 in the direction of the rear housing part 3 or the safe door, symbolised by the arrow 37.
[0038] FIG. 9 shows a control unit 1 with the folded swivelling handle 45, here in its closing position parallel to the plane of the door. The swivelling handle 45 is mounted in the area of the joints 43; 44 in such a way that it can be swivelled to the at the most to a plane running vertically to the door. Using the swivelling handle 45 is made easier though the provision of the recess. The control unit 1 comprises a lock plate 41 arranged between a base plate 42 to be mounted on the safe door and the keypad of the control unit 1, which is to be turned parallel to the plane of the safe door to lock and/or unlock the safe door. The lock plate 41 is connected to the base plate 42 rotatable by an angle of approx. 90°. Here there is at least one slide guide between the lock plate 41 and the base plate 42 that enables and restricts twisting of the lock plate 41. As an example, three keys are shown with references 46, 47 and 48.
[0039] The swivelling handle 45 is then swivelled in the illustration in accordance with FIG. 10, whereby this was swivelled by an additional 90° in a clockwise direction to unlock the lock. In this opening position the swivelling handle 45 is arranged at least approximately vertical to the plane of the safe door.
