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MECHANICAL CODE CASTLE "TUZIK"

Scientific and technical edition on the newest energy-saving and environmentally friendly technologies

Yakovlev Alexander Olegovich

- INTRODUCTION -

Graphic materials | Lock device | Description of the work of the castle | Movement of code rings

The invention relates to mechanical code devices for protection against unauthorized access with non-replaceable code, mainly to padlocked locks.

There are code locks, a set of code in which is carried out by turning several code rings relative to the body and setting them in the desired position. Orientation in this case is made according to specially marked signs and risks. In particular [1,2]. These locks are made in the form of bodies of revolution and have a dumbbell shape. The bolt is made in the form of a rod with a thickened tip. In external form, not counting the presence of open code rings, these locks are closest to the claimed lock. However, in these locks there is actually not one lock and code device, as in the claimed lock, but several - in the number of code rings. Each code ring operates independently of the other, and simultaneously performs the functions of the locking device and the code system. The code system in this case consists of the code marks applied to the surface of the code rings.

The disadvantages of these locks are low secrecy, low code reliability, lack of tightness, inconvenience of control, and, of course, the possibility of damage to the controls, for example, stitching, painting, mechanical deformation.

All these shortcomings are in fact the consequence of the main thing - the presence of control elements of the code system (code systems), and multiple ones, on the surface of the lock case.

There are code locks in which all control is carried out with the help of one handle with one degree of freedom - when the handle rotates around its axis, with orientation according to available risks and signs [5].

With this lock, the control is highly functional. One handle and one degree of freedom produce both a code set and lock control. There is a possibility of completion of the lock for control without code marks and signs, and, therefore, without the participation of sight. One step before the transformation of the castle into a technical analogue to the claimed castle (but, as far as I know, it was not done), although working on a completely different principle - registration of the dialed numbers in this lock is not based on code rings, as in the claimed castle, but With the help of internal flag registers.

The disadvantages of this lock include low secrecy, due to the complexity of the design using recorders.

There are locks using code rings that are inside the lock case, and they are controlled by an outwardly extending rod having two degrees of freedom: reciprocating along its axis and rotational motion around its axis [3,4]. The main drawback is the same - the presence of a control system of the code system on the lock case.

One of these locks is chosen as a prototype - author. St. No. 1252467 [3]. The essential difference between this lock and others, combining it with the claimed lock is the presence of a bolt rod, endowed with a control function . However, this control is limited only by the control of the locking mechanism. The code system is controlled separately. It unites the claimed lock with the prototype, as well as the presence of a locking mechanism, clearly separated from the code system.

Disadvantages of the prototype are: a large number of controls, their vulnerability to aggressive external influences, low integrity, and even its complete absence with an open lock. It should be noted the imperfection of the locking mechanism, in particular, the presence of stops when turning the bolt rod. (The lock can be broken by simply turning the bolt rod behind the stop, which causes the code rings to crumble.)

The main purpose of the invention is to increase the reliability of the castle with respect to external aggression of different species, i.e., increasing its survivability.

The goal can be achieved by applying a technical solution consisting in the location of the code system completely inside the lock case, depriving it of a direct connection with the external environment. The function of the control unit can be used to attach a bolt rod. The technical result of this decision is the deprivation of the lock of the special controls of the code system, which excludes the possibility of their spoilage. The possibility and corruption of code marks and risks is eliminated, since they are no longer there.

Achieving the main goal - increasing survivability - requires a different locking mechanism than the prototype, which should enable the bolt to rotate without stops in order to avoid the possibility of breaking them in principle, and to ensure the tightness of the housing even with a separated bolt rod, which prevents entry into the Lock of moisture and dirt, even if it is dropped in them.

Other tasks that are used to solve the lock design include: increasing the functionality of controls, which is achieved by reducing the degrees of freedom in them to one (against three in the prototype); Reduction in size, mainly due to the introduction of the lock system is significantly different than that of the prototype, the code system; Increase the secrecy of the castle. In addition, attention has been paid to improving the manufacturability of production, which can be achieved by focusing in the manufacture of parts for the stamping operation.

From the positive effects inherent in the claimed lock, it is worth noting the possibility of a locking mechanism to transmit to it from the lock case a large mechanical force, with the increase of the turning torque of the mechanical moment, which makes it possible to overcome a large friction in the constipation, if any for some reason For example, corrosion, freezing).

Another worth noting is the high secrecy of the lock, which is achieved by the fact that the code system, although it has only two code rings, but supports up to twelve encoding, and, in principle, more, code bits. At the same time, when dealing with a particular lock, one can not predict what the number of encoded bits in it is, which makes the desire to open the lock by a simple search of options completely hopeless. A more qualified variant of coding through the encoding tables is also practically impossible, since the number of locks with a nonrepeating code can be of the order of 10 million.

The claimed lock comprises a cylindrical bolt rod with a thickened tip, which, unlike the prototype, is provided with the possibility of full lock control, it also contains a housing, a locking mechanism and a code system. In this case, unlike the prototype, the code system is located completely inside the lock case without a direct connection with the external environment.

The bolt rod of the claimed lock has a different configuration of the lock end of the bolt rod. On it, a longitudinal groove is made on the surface to communicate with the locking mechanism, and also starting at the end of the longitudinal groove is a radial, gaunt-shaped groove for constipation.

The locking mechanism of the claimed castle is completely different from that of the prototype. It consists of a constipation lock washer located coaxially with the hole in the body under the stud, three pushers fastened to the lock washer and located in the sector they are creating more than 200 °, a lock located between the three pushers and located with all three in contact, and The lock of a lock. Moreover, the locking mechanism with the bolt inserted and fixed in it has the possibility of axial rotation with respect to the body together with the bolt rod, in both directions, and without stops.

The lock in the locking mechanism is made in the form of an eccentric ring having an internal opening, a diameter corresponding to the diameter of the bolt rod, and a semicircular tooth projecting into it for engagement with the bolt rod through the groove of the latter.

In addition, the outer contour of the bolt ring has a curvilinear configuration, calculated by the formulas given in the description. Due to this, the bolt ring is always in contact with all three pushers at any possible angle of rotation for them.

The code system of the claimed lock is also different than that of the prototype. It includes a scanner and a code reset washer that are connected to the locking mechanism, and a package of rings. The package of rings, in turn, consists of two code rings and an antiship ring, which can rotate in the housing around the axis of the bolt hole, as well as the positioning ring rigidly connected to the housing.

Code rings have on their inner surface code cuts of different lengths, and the scanner, simultaneously covering the entire package of rings across the width, has the ability to move one code ring relative to the other only in the code cuts of both code rings, while being in the notches of the positioning ring.

Unlike conventional code systems, in particular, in the case of a prototype, where different bits of the lock code are coded each on its own code ring, in the claimed lock all bits of the code are encoded only on two code rings, as a system. Moreover, for each digit of the lock code and protecting the bits of the lock code from the wrong set, these code cuts are cut systems, different for each digit of the code.

Any lock, whatever its design, consists of a bolt-on element (a bolt rod, a bolt, bolt), a body, a locking mechanism and a code system. (In the locks with keys, the element of the code system is the key.) The main significant difference between the claimed lock and all others is the complete control of the code system (and also the locking mechanism) through the bolt element.

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Author: Yakovlev Alexander Olegovich
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