WO2013137764A1 - Lock with a mechanical coded locking system - Google Patents

Description

 LOCK WITH MECHANICAL CODE LOCKING SYSTEM

Technical field

The utility model relates to hardware, namely, to locks with a mechanical code locking system, mainly safe locks in which opening occurs after the exposed combination of code with the hidden code matches. The device can also be used to lock metal doors and sunroofs.

State of the art

Known keyless safe lock containing a bolt, a bolt drive, a secret part made in the form of code disks having protrusions and troughs of equal width on the outer cylindrical surface, while one of the troughs is code, and the rest are false and a spike rigidly fixed to the bolt and made with the possibility of interaction with the code cavity (RF application N293021770 for a utility model, PC E05B37 / 12, 1993.)

 This technical solution is the closest in technical essence and purpose of the claimed device and, therefore, is selected as a prototype.

 The disadvantages of the prototype are the complexity of the design and manufacturing technology and not high enough secrecy.

Disclosure of invention

The technical result from the use of the device is to simplify the design and manufacturing technology, as well as to increase privacy by soundproofing the interfaced metal parts, eliminating the gaps in the contacts of the metal parts and creating acoustic noise that impede the selection of the code, as well as increasing the number of code combinations by changing the number of false troughs. In fact, the castle implements three solutions to counteract code detection by listening to a phonendoscope or other acoustic means: sound absorption due to non-metallic materials, choice of the gap in the contacts of metal parts, and the use of a noise-creating device.

 Below are the general and particular essential features characterizing the causal relationship of the utility model with the specified technical result.

A keyless safe lock contains a crossbar, a crossbar drive, a secret part made in the form of code disks having protrusions and depressions of equal width on the outer cylindrical surface. One of the depressions is a code cavity, and the rest are false and a spike associated with the crossbar and made with the possibility of interaction with the code cavity. The bolt drive is made in the form of a crank, one end of which is inserted into a longitudinal vertical hole in the bolt, and at the other end, made of a threaded bolt and connected to a nut fixed to the safe door, a winch is installed located outside the safe door. The lock is equipped with vertically arranged at least three code disks, each of which is rigidly fixed on its axis, made with a longitudinal diametrical slice, conjugated with a gap with a similar slice on the other axis, which is rigidly connected to the code selector knob. Between the surfaces of the cuts of both axes, an elastic gasket is placed, through which bolts are passed, placed in elastic bushings with end flanges and tightened by nuts. The thickness of each tenon does not exceed and is as close as possible to the width of the false and code troughs of the code disk with the possibility of tight movement of the tenon in it, and the code cavity for the tenon has a length not less than the stroke S of the bolt, to which the spikes opposite each code disk are attached using a vertical rod . The lock is equipped with an acoustic noise generator, made in the form of a L-shaped lever, on one end of which a pin is formed, inserted into the corresponding hole in the indicated rod above each tenon in the indicated rod above each tenon and connected to the spring with the possibility of pressing it against the axis the code selector knob of the other end of the lever having a noise-creating track configured to constantly contact the axis of the code selector knob, said end of the L-shaped lever protruding from a longitudinal vertical plane passing through the axis of the code selector knob when the bolt is closed, and the latter has a threaded the end, coupled with a nut rigidly attached to the safe door from the inside and a limb - outside, while the axis of the code disk and the axis of the code selector in the assembled state are provided with a limit Their longitudinal displacement N, made in the form of an angular stand attached to the safe door. The width of said tenon exceeds the amount of displacement N, the value of which provides a rotation of at least one revolution for each code disk, and circular grooves are made on the axis of the selector lever collar and the opposite corner pillar, in which loops of a tension spring tighten the axis of the collar travel selector and corner post. The L-shaped lever of the acoustic noise generator and the code disk can be made of plastic materials, and the specified noise path can be removable from metal. The specified noise path is made by spraying on the L-shaped lever of abrasive particles. The specified noise path is made in the form of an abrasive strip glued to the L-shaped lever. These protrusions on the code disk are rounded or have slices converging at an acute angle by planes parallel to the axis of the code disk. The end of the spike has a rounded shape or a double-sided chamfer along the long side. These nuts can be made with elastic self-locking inserts. Mentioned elastic bushings are made in the form of tubes, and said end flanging is a continuation of the bushings and extends beyond the surfaces of the connected axes. On the inside of the safe door, inclined plates or plates of angular cross section can be fixed, which prevent intruders from drilling holes in the safe door. Blueprints

The utility model is illustrated by drawings, where: in Fig.1 shows a lock on a safe; figure 2 is an enlarged view of a code selector with a dial and a knob; Fig. 3 is the same side view; figure 4 is a longitudinal section of the castle; figure 5 is a view aa in figure 4; Fig.6 is a view of BB in Fig.4; Fig.7 is a view BB in Fig.4; in Fig.8 is a view of G in Fig.7; figure 9 is a view of DD in figure 4; figure 10 is a view W in figure 9; figure 1 1 is a view of I in figure 4; in Fig.12 - is a view of I in Fig.4, an embodiment; in FIG. 13 is a view of EE in FIG. 4; on Fig - type II in fig. 13; in Fig.15 is a view of KK in Fig.1, the basic version; in Fig.16 is a view of LL in Fig.13; in Fig.17 is a view of KK in Fig.1, an embodiment of the bushings and nuts; on Fig - cross section of the castle in the planes passing through the axis of the gate; in Fig.19 is a variant of the drive bolt; in Fig.20 is a view of MM in Fig.18.

An embodiment of the invention

A keyless safe combination lock contains a crossbar 1, a crossbar drive 2, a secret part made in the form of code disks 3 having protrusions 4 and cavities of equal width on the outer cylindrical surface, while one of the cavities is code 6, and the rest are false 5 and spike 7 associated with the crossbar 1 and made with the possibility of interaction with the code cavity 6.

 The drive of the crossbar 2 is made in the form of a crank 8, one end of which is inserted into the longitudinal vertical hole 9 in the crossbar 1, and at the other end 10, made threaded and connected to the nut 11, mounted on the door 12 of the safe 13, there is a winch 14 located outside doors 12 of the safe 13.

The lock is equipped with vertically arranged at least three code disks 3, each of which is rigidly fixed on its axis 15, made with a longitudinal diametrical slice, paired with a gap with a similar slice on the other axis 16, which is rigidly connected to the gate 17 of the code selector. The block consisting of a code disk 3 and an axis 15 is removable and can be replaced with wear or - in order to change the code. In this case, between the cut surfaces of both axes 15 and 16, an elastic gasket 18 is placed, through which bolts 19 are inserted, placed in elastic sleeves 20 with end flanges (Fig. 15) under the heads of bolts 19 and nuts 21, tightening axles 15 and 16. These nuts 21 can be made with elastic self-locking inserts 22.

 The thickness of each spike 7 does not exceed and is as close as possible to the width of the false 5 and code 6 depressions of the code disk 3 with the possibility of a tight movement of the spike in it, and the code 6 depression under the spike 3 has a length not less than the stroke of the crossbar 1, to which the spikes 7, opposite each code disk 3, attached by means of a vertical rod 23.

 The lock is equipped with an acoustic noise generator, made in the form of a L-shaped lever 24, at one end of which a pin 25 is formed, inserted into the corresponding hole in the indicated rod above each spike 3 and connected to a spring 26, for example, a spiral one, as shown in figure 10, made with the possibility of pressing the other end of the lever 24 to the axis 16 of the gate 17 of the code selector.

The specified other end of the lever 24, has a noise path 27 ,. made with the possibility of constant contact with the axis 16 of the gate 17 of the code selector, and the said end of the L-shaped lever 24 stands for a longitudinal vertical plane passing through the axis 16 of the gate 17 of the code selector with the bolt 1 closed, and the latter has a threaded end that is rigidly mated attached to the door 12 of the safe 13 with a nut 28 inside and a limb 29 - outside, while the axis 15 of the code disk 3 and the axis 16 of the wrench 17 of the code selector in the assembled state are equipped with a limiter 30 of their longitudinal movement S, made in the form fishing rack attached to the door 12 of the safe 13, and the width of the mentioned spike 7 exceeds the amount of movement S, the value of which provides a rotation of at least one revolution for each code disk 3, and on the axis 16 of the wrench 17 of the travel selector and the opposite corner the strut 30 is made of circular grooves in which the loops 31 of the tension spring 32 are located, tightening the axis of the winch 16 of the travel selector and the angular strut 31. The L-shaped lever 24 of the acoustic noise generator and the code disk 3 can be made of plastic materials, and the specified noise path 27 can be made removable from metal. The specified noise path 27 can be performed by spraying abrasive particles on the L-shaped lever 24, and can also be made in the form of an abrasive strip glued to the L-shaped lever. Said protrusions 4 on the code disk can be rounded (FIG. 1 1) or have slices (FIG. 12) by planes converging at an acute angle parallel to the axis of the code disk. The end of said spike 7 may have a rounded shape or a double-sided chamfer along its long side. For the purpose of sound insulation, which excludes the selection of the code by acoustic means, sound-absorbing non-metallic gaskets 18, bushings 20 are installed in the device. The mentioned elastic bushings 20 can be made in the form of tubes (Fig. 17), and said end flanging is a continuation of the bushings 20 and extends beyond the surfaces of the connected axes 15 and 16. The crossbar 1 is movably mounted in the guide brackets 33 and 34 attached to the door 12. The drive of the crossbar 1 can be made in the form of a gear rack 35 on the crossbar 1 and the gear wheel (sector) 36, the connection nnogo with reversible 14. For stability under the spring 26 can be fit washer 37.

 In a variant embodiment of the device, inclined plates or plates of angular cross-section (not shown) can be fixed on the inside of the safe door, which prevents the attackers from drilling holes in the safe door; inclined plates or plates of angular cross-section can be fixed from the inside of the safe door, which prevent the attackers from drilling holes in the safe door to access the secret part of the lock.

Comparison of the claimed technical solution with the prior art known from the scientific, technical and patent documentation as of the priority date in the main and related sections did not reveal a tool that has features identical to all the features contained in the proposed utility model formula, including the purpose of the assignment. That is, the set of essential features of the claimed solution was not previously known and is not identical to any known technical decisions, therefore, it meets the condition of patentability “novelty”.

 Industrial applicability

This technical solution is industrially applicable, since its purpose is indicated in the description of the application and the name of the utility model, it can be manufactured industrially and used to close safes, as well as metal doors of rooms and other objects, efficiently, feasibly and reproducibly, and the hallmarks of the device allow you to get the desired technical result - simplification of the design and manufacturing technology, as well as increased secrecy by sound insulation of conjugated metal etaley, eliminating gaps in the contact of metal parts and creating acoustic noise, preventing the selection of the code, and - an increase in the number of variants of code combinations by changing the number of false depressions.

 A useful model as described in each of the claims can be implemented using the tools and methods described, for example, in Russian patents Ns102953, 2085688, 2032804, 2109120, 2130537 and others, which became public until the priority date of the useful models .. Therefore, the claimed technical solution meets the condition of patentability "industrial applicability".

 The device operates as follows.

 Depending on the level of secrecy, code disks 3 with a different number of false 5 depressions are selected. At the same time, code disks can be used at the same lock both with equal and with different number of false 5 cavities.

 The axles 16 are attached to the gate 17 and they are passed into the hole in the door 12 and the limb 29 inside the safe 13, where they are connected by bots 19 to the axis 15 of the code disk.

Then install the crossbar 1 with the drive of the crossbar and fix the handle 14. The L-shaped levers 24 are attached to the rod 23, on which the springs 26 are mounted, and the noise-creating track 27 is laid on the axis 16.

 Set the limiter 30 to move the axes 15 and 16, which are connected by a spring 32 to the axis 16 ..

 When closing the lock, the code disks 3 are oriented by the code cavities 6 to the spikes 7 according to the previously memorized positions of the mark of the selector lever gate 17 relative to the dial scale 29. Then, the bolt 1 is moved with the lever 14, which moves by an amount S and moves the spikes 7 into the code cavities 6. Deepening d in the safe 13 for the convenience of opening the door 12 may be less than the stroke S of the crossbar 1.

 The door 12 is closed, and the bolt 1 with a gate 14 is pushed into the body of the safe 13. After that, the gate 17 of the code selector is rotated to an arbitrary position. In this case, the opening of the safe 13 can only be carried out with the correct position of all the gates of the code selector, when the code troughs 6 will be opposite the spikes 7.

 To ensure contact of the spikes 7 with all the cavities of the code disk 3, it is possible to rotate it by at least one revolution due to the fact that the full horizontal movement of the N axis 16 in the thread of the nut 28 is greater than that required to rotate the code disk 3 by one turnover.

 When trying to pick up a code by listening to the lock using a phonendoscope or other sound-picking devices, any movement of the selector lever shutters 17 leads to acoustic noise due to the sliding of the noise-creating track 27 along the axis 16. The indicated L-shaped lever 24 can also be arranged to interact with the axis 15 .

 The determination of the code by acoustic methods is also hindered by the absence of direct contact between metal parts, since sound-absorbing elastic gaskets 18, bushings 20 with end flanges are installed in their contact zone, and elastic self-braking inserts 22 in nuts 21 can also be used.

In addition, the verification and determination of false depressions by the gate 17 and while listening to the safe while swaying the gate 14 is excluded due to the fact that the gaps in the thread of the valve 17 and the nut 28 are selected _{by the} spring 32. Using the device makes it possible to increase the reliability of safes by increasing the security of the lock by soundproofing the interfaced metal parts and creating acoustic noise that impedes the selection of the code, as well as increasing the number of code options combinations by changing the number of false cavities.

 In addition, the use of the device allows to reduce its cost and improve performance by simplifying the design and manufacturing technology.

Claims

Utility Model Formula 1. A keyless safe lock containing a crossbar, a crossbar drive, a secret part made in the form of code disks having protrusions and depressions on the outer cylindrical surface of equal width, one of the depressions being a code depression and the rest false and a spike connected to the crossbar and made with the possibility of interaction with the code cavity, characterized in that the bolt drive is made in the form of a crank, one end of which is inserted into a longitudinal vertical hole in the bolt, and at the other end is threaded and connected to a nut mounted on the safe door has a handle located outside the safe door, the lock is equipped with vertically arranged at least three code disks, each of which is rigidly mounted on its own, made with a longitudinal diametrical slice, paired with a gap with a similar slice on the other an axis that is rigidly connected to the code selector knob, while between the surfaces of the cuts of both axes there is an elastic gasket through which the bolts placed in elastic sleeves with end flanges are passed th and tightened by nuts, moreover, the thickness of each tenon does not exceed and is as close as possible to the width of the false and code depressions of the code disk with the possibility of tight movement of the tenon in it, and the code depression under the tenon has a length not less than the stroke S of the bolt, to which the spikes are opposite each code disk is attached by means of a vertical rod, while the lock is equipped with an acoustic noise generator made in the form of a L-shaped lever, at one end of which a pin is inserted, inserted into the corresponding hole in the specified st a rust over each spike and connected to a spring adapted to press the other end of the lever having a noise-creating track, made with the possibility of constant contact with the axis of the collar of the code selector to the axis of the collar, and said end of the L-shaped lever protrudes from a longitudinal vertical plane, passing through the axis of the gate of the code selector when the bolt is in the closed position, and the latter has a threaded end, coupled with a nut rigidly attached to the safe door from the inside and a limb from the outside, while the axis of the code disk and the axis of the collar of the code selector in the assembled state are equipped with a limiter for their longitudinal movement N, made in the form of an angular stand attached to the door of the safe, and the width of the spike exceeds the amount of movement N, the value of which allows rotation by at least one revolution for each code disk, and on the axis of the turn of the selector lever and the opposite corner stand, circular grooves are made in which the loops of the tension spring are located, which tighten the axis of the turn of the selector lever and angles th stand.  2. The keyless safe lock according to claim 1, characterized in that the L-shaped lever of the acoustic noise generator and the code disk are made of plastic materials, and said noise-creating track is made removable from metal.  3. The keyless safe lock according to claim 1, characterized in that said noise-creating track is made by spraying abrasive particles onto the L-shaped lever.  4. The keyless safe lock according to claim 1, characterized in that said noise-creating track is made in the form of an abrasive strip glued to an L-shaped lever.  5. The keyless safe lock according to claim 1, characterized in that said protrusions on the code disk are rounded.  6. The keyless safe lock according to claim 1, characterized in that said protrusions on the code disk have slices converging at an acute angle parallel to the axis of the code disk by planes.  7. The keyless safe lock according to claim 1, characterized in that the end of said tenon has a rounded shape or a double-sided chamfer along its long side.  8. The keyless safe lock according to claim 1, characterized in that said nuts are made with elastic self-locking inserts 9. The keyless safe lock according to claim 1, characterized in that the said elastic bushings are made in the form of tubes, and said end flanging is a continuation of the bushings and extends beyond the surfaces of the connected axes. 10. The keyless safe lock according to claim 1, characterized in that inclined plates or plates of an angular cross section are fixed on the inside of the safe door, preventing intruders from drilling holes in the safe door.