SU1134688A1 - Mechanical permutation locking device - Google Patents

Abstract

CODE LOCKING DEVICE OF MECHANICAL TYPE, comprising a housing with rotatable coaxially mounted code disks having digital marks, a locking member with notches for the code drives and a groove and means of Fig.1 locking of the locking member, including a locking element with a figured hole for accommodating the locking member, characterized by that, in order to increase secrecy and reduce the size, the locking member locking means includes a spring loaded installed parallel to the axis of the code disks in the housing a latch with protrusions interacting with the code disks and with a blocking element, the code disks having slots under the lugs protrusions, and the blocking element is made in the form of a bar and mounted in the body with a possibility of movement in a plane perpendicular to the locking member.

Description

The invention relates to mechanical engineering, in particular to coded locking mechanisms that block unauthorized persons from accessing protected objects, such as premises, safes, equipment, vehicles, etc.

A mechanical type code locking device is known, comprising a housing with rotatable coaxially mounted code disks having digital marks, a locking member with notches for the code drives and a groove and locking member locking means including a locking element with a figured hole for accommodating the locking member 1.

However, this device is characterized by sufficiently large dimensions and low secrecy during locking.

The purpose of the invention is to increase secrecy and reduce the size of the device.

The goal is achieved by the fact that in a mechanical type code locking device comprising a housing with rotatable coaxially mounted code discs having digital marks, a locking member with grooves for the code discs and a groove and locking member locking means including a locking element with a figured opening for placing the locking organ, the locking organ locking means includes a spring-loaded latch with protrusions installed parallel in the housing parallel to the axis of the code discs minutes with code discs and with a blocking element, wherein the code discs have a slot under the latch lugs and the locking member is in the form of strips and mounted in the housing movable in a plane perpendicular to the shut-off organ.

FIG. 1 shows the mechanical type code locking device (embodiment - a locking lock), a section; in fig. 2 is a view A of FIG. one; in fig. 3 is a section BB in FIG. one; in fig. 4 shows a section B-B in FIG. one; in fig. 5 is a cross-section of the FIG. one.

The device (Fig. 1 and 2) consists of a housing 1 into which axis 2 is screwed with coded rotary disks 3 mounted on it with digital marks 4 separated by rings 5, which are oriented in a certain position with their flats 6 on axis 2 (Fig. 1- 3) to eliminate the mutual influence of moving parts. The casing has a movable locking body 7 of the lock in which recesses 8 are made for code discs 3 installed to the ends of the recesses of the locking body 7 with a gap a (Fig. 1) In the casing 1 a spring-loaded spring 9 9 has a retainer 10 with lugs 11 interacting with code disks 3 having slots 12, and by means of an inclined groove 13 and pin 14 with a locking element - a bar 15 (Figs. 1, 3 and 5). The spring 9 is held by the plug 16 from falling out of the housing 1. In the slat plate 15 installed with movement, there is a figure hole 17 which is joined with a groove 18 which is made at the long end of the locking member 7 with a certain gap 0 (Fig. 1, 4 and 5) to surface strips 15.

The device works as follows.

The locking body 7 of the lock can be pulled out of the housing 1 provided that the movable bar 15 is moved to the left extreme position by pressing its right end protruding from the housing and placing all the disks 3 into a position in which the recesses 19 formed on their inner surfaces match with a semicircular groove 20, made on the axis 2, and form a cylindrical hole in which the locking member 7 can freely move in the axial direction. Otherwise, the body of the movable bar 15 and the discs 3 will appear in the corresponding grooves made on the locking organ 7, and its axial movement becomes impossible. To implement the code set, the bar 15 is moved to the right by pressing its left end protruding from the body (Fig. 1). When this latch 10 from the action of the stud 14 on the inclined portion of the groove 13

0 moves upwards (Fig. 1) and the protrusions 11 of the latch 10 come out of the engagement with the slots 12 at the ends of the discs 3. At the same time, the edges of the hole 17 in the movable bar 15, which are paired with the ends of the groove on the locking member 7, block the last

 from axial movement (Fig. 4). After these operations, a given code value can be set, which is determined by the relative position of the recesses 19 on the inner surface of the disks 3 and digital marks 4 on their periphery.

To open the locking member 7 of the lock after the correct dialing of the code, it is necessary to move the slide bar 15 to the left (Fig. 1). When this latch 10 under the action of the pin 14 on the inclined section and with the help of the spring 9 is lowered and the protrusions II of the latch 10 block the slots 12 on the ends of the disks 3. The edges of the holes 17 in the movable plate 15 exit from 0 engagement with the groove 18 of the locking member, freeing the last (Fig. 1, 3, 4 and 5). The locking of the discs 3 should take place before the actuator is unlocked, equipped with a locking member 7.

The closure of the closure member 7 is performed in the reverse order of the opening process.

When trying to speed up the selection of a code by an unauthorized person in the right extreme position of the movable bar 15 (Fig. 1) due to the fact that the size of the gap in + in between the surfaces of the movable bar 15 and the ends of the groove 18 (Fig. 4) is much less than the size of any gap a + a formed between the ends of the disks 3 and conjugated

With the ends of the recesses 8 of the locking member 7 (FIG. 1), the latter has no mechanical contact with the disks 3, which as a result cannot convey information about the nature of their interaction with the locking body 7 of the locking device.

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Claims (1)

MECHANICAL TYPE CODE LOCKING DEVICE, comprising a housing with coaxially rotatable coded disks having digital marks, a locking member with recesses for the code disks and a groove, and a locking member locking means including a locking member with a figured hole for receiving the locking member, characterized in that, in order to increase secrecy and reduce dimensions, the locking means of the locking element includes a spring-loaded fix installed in the housing parallel to the axis of the placement of the code disks p with projections cooperating with the code disk and with a blocking element, wherein the code discs have a slot under the latch lugs and the locking member is in the form of strips and mounted in the housing movable in a plane perpendicular to the shut-off organ. Figure 1 Sae