HU202952B - Lock structure particularly for safety locks - Google Patents

Abstract

The present invention relates to a locking device, in particular for security locks, which is provided with a cylindrical element which is locked in a housing from its position locked by its own key and is reciprocally mounted with a relatively rotatably mounted cylindrical element, and with a spring-loaded locking pin and locking element. It is an object of the invention that the cylindrical element (3) also has a coaxially arranged inner member (5), which is secured in the housing (1), and that the spring-loaded locking pins and the locking element (27) are pivotable and correct. elements (3 and 5) are pivotally mounted in axial openings (29, 28) that can be moved in one 15-axis, and the number of pins and arrangements corresponding to the number, position and size of the locking pins and the locking element (27). the axial size of the key from the front face of the key is selected such that, when the key is pushed into the closed position, the locking member (27) is in the extended locking position, and the outer cylindrical element (3) 25 can be brought to a relatively rotated closing position in which the closing pins are the outer and inner elements (3, 5) are locked in a lockable manner, but the key b is open to the open state of the lock mechanism. In the ethanol position, the outer cylindrical element (3) is operable in a rotatable position opposite to the closing rotation, in which the locking element (27) is in the insertion position, while the locking pins are inserted into the inner member (5), dissolved. Figure 1 EN 202952 B Scope of the description: f> page, 1 drawing, Figure 11 -1-

Description

BACKGROUND OF THE INVENTION The present invention relates to a locking device which is particularly applicable to security locks.

As is known, various key-operated latches are used to lock doors and drawers and other security-relevant units. In these cases, closing is usually done by pushing the slider into a fixed groove. The slider is locked by spring or spring-loaded locks in the open or closed position. During operation, the key moves the latches out of their locked base position so that the stopcock mounted in the slider can move unhindered in the latching groove, and when the key is turned further, the slider moves. The springs are then locked again by pushing the latches back into their original position.

In known security locks, the locking is performed by a plurality of superimposed different closures, which are moved by separate locking springs. Depending on the number and shape of the closures, different security shortcuts can be created according to the variation rules. For example, cylinder locks are based on a system of pin closures. Their main parts are the housing, the cylinder and the safety pin system. The pin system consists of a stopcock, a stopcock and a stopcock. The stopcocks are fitted into the cylinder casing according to the key step. When inserting the own key, the cylinder can be rotated unhindered in the housing to open the lock. On the other hand, when inserting a foreign key, the locking pins are adjusted by the springs to the position of the key step and consequently lock the cylinder, i.e. the cylinder cannot be rotated so that the lock cannot be opened. (See, e.g., Polinszky: .Technical Lexicon 'Volume III,

1066-1068. page, Academy Publisher, Budapest, 1974.1.

Known security locks have been proven to require very precise manufacturing, narrow dimensional tolerance and careful installation, relatively expensive structures where the main problem is that they are relatively easy to measure, keys are relatively easy to copy and can be deactivated by forceful external penetration such as drilling.

It is an object of the present invention to provide a locking device which provides a better security, which is relatively difficult to detect for an unauthorized intruder, relatively simple and inexpensive, and has a much more cumbersome copying process than prior art solutions and minimizes the likelihood of .

In order to accomplish this object, we start with a locking mechanism which is provided with a relatively cylindrical member which is rotatable in the housing from its locked position to the open position and back again with its own key, and cooperating spring-loaded locking pins and locking elements. This is further developed in accordance with the present invention, that is to say, there is an inner cylindrical element arranged behind the cylindrical element, which is arranged in the same axis, and which is properly fixed in the housing, the spring-loaded locking pins and the locking element they are displaceably housed in axial apertures which can be aligned with each other, and the key has a number and arrangement of studs with a number and arrangement of locking pins and locking elements, the axial size of which is measured from the front face of the key the locking member can be moved into the extended locking position and the outer cylindrical member can be moved to a relatively rotated locking position, in which the locking pins engage the outer and inner cylindrical members in a locking position, the locking device is open however, when the key is in the pushed position, the outer cylindrical member can be moved in the opposite sense to the locking pivot, in which the locking member is in the pushed position and the locking pins are pushed into the inner cylindrical member in the released position.

Preferably, at least four locking pins and at least one locking pin are provided, the apertures formed in the outer cylindrical element having holes of the same diameter, the center line of which is located at a common spacing and preferably at the same distance from one another.

The invention will be described in more detail with reference to the accompanying drawings, in which two exemplary embodiments of the present invention are illustrated. In the drawing:

Figure 1 a longitudinal sectional view of a version of the locking device according to the invention in the form of a security ball lock; Figure 2 1 is an exploded view of the solution of FIG. Figure 3 1 in a closed position shows; Figure 4 Figure 3 is an arrow view of the solution; Figure 5 sectional view taken along V-V in Figure 2; Figure 6 Figure 4 is a sectional view taken along arrow VI-VI; Figure 7 1-6. Figs key side view; Figure 8 Figure 7 is a perspective view of arrow B;

9-11. Figures 1 to 8 show another embodiment of the zeroth according to the invention, wherein

Fig. 9 is a horizontal section;

Figure 10 is a side view; Figure 11 is a top view.

1-8. Figures 1 to 5 show a first exemplary embodiment of a locking device according to the invention, which is designed as a security ball lock. In this case, it has a cylindrical housing 1 having a relatively pivotable outer cylindrical element 3 in its cylindrical socket 2, which continues in a pin 4. Behind the outer cylindrical member 3, coaxially according to the invention, there is also an inner cylindrical member 5 of the invention, which is correctly fixed in the housing 1 and has a central bore 6 for free passage of the pin 4. Furthermore, the locking device according to the invention has spring-loaded locking pins 7, 8, 9 and 10 which are displaceably housed in pairs of axially arranged arrowheads of the members 3 and 5 which can be placed in the same axis. The configuration and arrangement of the stopcocks 7 and the aforementioned openings are clearly shown in Figs

Figure 6 is an enlarged sectional view. Fig. 6 shows the guiding openings of the locking pins 7, 8, 9 and 10 (11, 12, 13, 14, 29, 15, 16, 17, 18, 28) in the outer cylindrical member 3 and in the inner cylindrical member 15. 7, 8, 9, 10 are provided with compression springs 19, 20, 21, 22.

Figure 5 shows that the guiding openings 11, 12, 13, 14, 28 are formed as step holes in which piston-like actuators 23, 24, 25, 26 are slidably mounted. Their inner face lies on the outer face of the locking pins 7, 8, 9, 10, while their outer face, when closed, as shown in FIG. 6, lies in the outer plane of the outer cylindrical element.

The locking device of the present invention has in this case a single pin locking member 27 which is housed in a step bore 28 of the inner cylindrical member 5 and is pushed into a larger diameter portion of the stepped bore 29 of the outer cylindrical member 3 (Fig. 5).

1 and 2, the locking device is shown in the open state, in which the locking member 27 is in the pushed position, ie extends into the bore 29 of the member 3 and the locking pins 7, 8, 9, 10 are pushed into the inner cylindrical member 5; 20, 21, 22 while compressing the compression spring. Fig. 2 shows that the stop pins 7, 8, 9, 10 and the locking member 27 are formed on a common partition 30 and their openings in the element 3, i.e. the outer part of the openings 11, 12, 13, 14, are cylindrical holes of the same diameter.

In this case, the locking member 27 is loaded by a conical driving ring 31, which is pressed inwardly by a compression spring 32 mounted on the pin 4 and supported by the housing 1 at one end. The conical drive ring 31 cooperates with removably arranged balls 34 in the radial openings 33 of the housing 1, the outer part of which cooperates with the radial groove 36 of the cylindrical element 35, which in this case is cylindrical. Thus, in the present case, the cylindrical element 35 is a structural unit which can be locked to the housing 1 by actuation of the locking device or, axially detached, from the housing 1 when the locking device is released.

The open position of the ball lock is thus

1, 2 and 5, the closed state is shown in FIG

Figures 3, 4 and 6 illustrate. As shown in Figure 3, the locking member 27 is pushed into the inner cylindrical member 5 when extended, thereby pushing the conical guide ring 35 outwardly against the compression spring 32, whereby the balls 34 are released radially outwardly into the groove. In order to better understand the principle of the locking device according to the invention, the construction of the key according to the invention will first be described with reference to Figures 7 and 8. As indicated herein, the key 37 has a gripping face 38 and a face face 39 having a number and arrangement of studs corresponding to the number and position of the locking pins 7, 8, 9, 10 and the locking members 23, 24, 25, 26, respectively. . Accordingly, in this case the key 37 is provided with studs 40, 41, 42, 43, 44, of which, in this case, the projection 40 is provided with a locking member 27, the projection 41 with a driving member 23, a projection 42 with a driving member 24, The projection 43 cooperates with the drive element 25 and the projection 44 cooperates with the drive element 26. Figures 5 and 6 also show a thin outline of the expanded view of the key 37 for better understanding. It should be noted that in the present case, for ease of manufacture, the projections 40, 41, 42, 43, 44 are formed as 3mm diameter steel pins having a dimension of 2 to 8mm from the face 39.

As mentioned above, the outer cylindrical member 3 in the housing 1 is relatively pivotable with the key 37. The degree of this relative pivotability in this case was changed to 12 °, delimited by the stop pin 45 of the element 3 in the groove 46 of the element 5. (Figure 3).

1-8. The operation of the exemplary embodiment shown in Figs.

For the owner, the key 37 and the housing 1 are associated with a notation (not shown separately) that provides guidance for proper key insertion. The projections 40, 41, 42, 43, 44 of the key are inserted into the lock until the face plate 39 engages. Since the locking device was previously open, the projection 40 of the key extends the locking member 26 from the outer cylindrical member 3.

EN 202952 Β, consequently the outer element 3 is rotated counterclockwise when the key is inserted and the key 37 is pulled out. 3, 4 and 6, in which the locking pins 7-10 extend from the member 5 to the member 3 and engage them.

When the latch is opened, the protrusions 40, 41, 42, 43, 44 of the key 37 are reinserted into the corresponding aperture, and since the lengths of the protrusions 40, 41, 42, 43, 44 are selected in accordance with the length of the straps 23, 24, 25, 26, their locking action is released and the outer cylindrical element 3 becomes relatively rotatable in a sense clockwise with the key 37. This open state is illustrated in Figures 1, 2 and 5, in which the latch member 27 is pushed into the outer member 3, while the locking pins 7, 8, 9, 10 are forced into the inner cylindrical member 5 by the 22 compression springs.

9-11. Figures 1 to 5 illustrate a variant of the lock according to the invention for sliding doors in which the lock itself has the same design as described above and therefore the same reference numerals are used. However, the housing 1 has a different configuration here and is fixed to the pusher 47 as shown. The design of the ball lock differs from the first embodiment in that the locking pin 50 of the pusher wing 48 is inversely arranged to be displaceable against the spring 51, which can then be locked in contact with the ball lock balls 34. Another difference is that here the radially displaceable balls 34 are housed not in the openings of the housing 1 but in the radial openings of the sleeve 52 rigidly fixed to the housing, the central bore 53 of which accommodates the stopcock 50. Here, a sealing sleeve 54 with an inner conical surface cooperates with the outer circumference of the balls 34, which is moved axially by the locking member 27 as described above.

It is noted that, in our experimental experience, at least three locking pins and a single locking element are required to provide a suitable short circuit for a subordinate purpose. Increasing the number of zero pins exponentially increases the variation of the lock combination, so that, for example, using 5 lock pins, 625 variations can be made. Thus, the relatively simple design of the locking device according to the invention employs axial locking pins and locking elements in the original manner, and accordingly the corresponding key has an axial pin design. Experimental experience has shown that the handle and front face of the key 37 can be made of a single piece, for example, of suitable plastic, to which the studs of the corresponding type of lock can then be fixed with sufficient adhesive strength. Optionally, the projections 40-44 of the key 37 may be polygonal in cross-section and need not be circular in cross-section. The point is that they can be easily inserted into the corresponding opening of the outer member 3 and have the appropriate length. Alternatively, the actuator members 23, 24, 25, 26 are omitted so that the projections of the key 37 are in direct contact with the lock pins 7, 8, 9, 10 and the locking member 27. According to our experimental experience, there is hardly any hope of measuring the locking device according to the invention, and copying the key is a very cumbersome task. The outer cylindrical member 3 can also be provided with a central socket (not shown separately) into which a hardened steel ball can be attached. This reduces the possibility of unauthorized access, as it is, in our opinion, impossible to drill such a lock.

Finally, it should be noted that the invention is not limited to the example shown. embodiments, as many other embodiments thereof are possible within the scope of the claimed application. The present invention provides a way to create a very broad range of lock products, including security locks and padlocks to meet the most demanding security needs. To do this, the manufacturer only needs to vary the number and size of the locking pins, drive elements and their corresponding holes, and of course always to match the component wrench accordingly.

Claims (2)

PATENT CLAIMS A locking device, in particular for security locks, comprising a cylindrical member having a relatively pivotally mounted cylindrical member in its housing from its locked position to the open position and back, and cooperating spring-loaded locking pins and locking elements, characterized in that there is also a coaxially arranged inner member (5) which is correctly fixed in the housing (1), and the spring-loaded locking pins (7, 8, 9, 10) and the locking member (27) are rotatable and correct members (5). 3, 5) in its guide openings (11, 12, 13, 14, 29, 15, 16, 17, 18, 28), and the key (37) has the number, position and size of the lock pins (7, 8, 9, 10) and locking member (27). It has 20 pin-shaped projections (40, 41, 42, 43, 44) of appropriate number and arrangement, the axial size of which is measured from the face (39) of the key (37) such that the key (37) is the locking member (27) can be brought into the extended locking position and the outer cylindrical member (3) can be brought into a relatively pivotable locking position in which the locking pins (7, 8, 9, 10) lock the outer and inner members (3, 5) for the open position of the locking device, when the key (37) is pushed in, the outer cylindrical member (3) can be moved in the opposite sense to the locking pivot, in which the locking member (27) is pushed in position 35 and the locking pins (7, 8, released into the inner member (5) there are. Locking device according to Claim 1, characterized in that it comprises at least four locking pins (7, 8, 9, 10) and a single locking member (27) for which guiding holes (11) are formed in the outer cylindrical element (3). , 12, 13, 14, 29) having holes of the same diameter, the center line of which is located on a common pitch 45, preferably at the same distance from each other.