RU2283932C2 - Safe lock - Google Patents

Abstract

FIELD: locksmith's work.

SUBSTANCE: the safe lock has a body with a cover and a rotary disk, aligned holes are made in them and freely moving locking pins are installed. Provision is made for a locking bolt, locking bolt moving mechanism including an outer handle rigidly fitted on the handle axle and engageable with the locking pins and the axle clamp. The face key is made with holes positioned coaxially with the axles of the locking pins, in which the pins are installed in the coded position. In addition, the lock is provided with a positioner that has a pin, a groove for the face key and holes for the locking pins, besides, it has an inner bush with a groove, in which rollers engageable with the locking bolts and the axle rigidly installed in the rotary disk and passing through the hole in the position to the inner bush are installed. The rotary disk is fully installed in the body, and the coaxial holes for the pins in the body and the rotary disk are cut by half the diameter, the locking pins are made in the form of an integral stepped shaft with a groove for the recess in the rotary disk.

EFFECT: enhanced resistance to a break and action of aggressive agents.

12 dwg

Description

The invention relates to locks, in particular mortise locks with push keys, and can be used in safes.

Known castle according to the patent of the Russian Federation No. 2123569 (publ. 20.12.98). This lock consists of a housing with a cover in which axial holes are made, a bolt in the form of a gear rack and a bolt movement mechanism, including an external handle rigidly connected to the shaft, a gear, a rotary disk with axial holes coaxial with the openings of the housing cover, of paired locking pins located in the holes of the housing cover and the disk, and a socket wrench for interacting with locking pins. The lock is also equipped with a piston, freely mounted on the handle shaft and interacting with freely moving locking pins, while the handle shaft has a collar interacting with the piston, and the key is made with holes located coaxially with the axes of the locking pins. Between the end face of the handle when it is pulled out of the lock body and the housing cover, a gap is formed to accommodate the key.

However, even in this lock with the external handle removed, it becomes possible to open it. To do this, after removing the handle, all paired locking pins are displaced into the lock body to the stop, and then each of the stepped pins is also pushed out of the lock body to the stop. In this position, the stepped pins are in the housing cover, and interacting with them in the disk, that is, the interface plane between the disk and the housing cover will not intersect any of the pins - this means unlocking the bolt mechanism of the lock. In practice, this is quite difficult to do due to sticking of the pins from grease, magnetization, and so on, but theoretically there is such a possibility. In addition, in such a lock, the locking pins are poorly protected, since when the handle is pulled out of the lock body, it becomes possible to break or bend at least one of the stepped locking pins protruding from the housing cover, acting on them through the key gap with a foreign object.

And the last, the mechanical key of the lock, made with holes for the pins, cannot be made with zero tolerance, and a high degree of accuracy of all parts of the lock is a high degree of security and reliable operation.

The closest in technical parameters is the castle according to the patent of the Russian Federation No. 2229575 (publ. 27.05.04). It contains a housing with a cover and a rotary disk, in which coaxial holes are made and freely moving locking pins, a bolt, a bolt moving mechanism including an external handle rigidly mounted on a shaft with a shoulder, a piston freely mounted on the handle shaft interacting with the locking pins are installed and the shaft shoulder, a socket wrench made with holes located coaxially to the axes of the locking pins and placed in the gap formed by the ends of the handle and the housing, while the lock is additionally provided with an inner p with a slot in which the grooves are made and the rollers are installed in them, one roller for interacting with the bolt, the other for interacting with the rotary disk, in which the groove for the roller is also made, in addition, a protective washer is freely installed on the shaft of the external handle, which positions the locking pins with respect to the socket wrench, moreover, the locking pins are made of more than two detachable parts, one of these parts is made in the form of a stepped shaft, the other is a pin that moves freely in the cylinder with a guaranteed clearance core, and in the holes of the socket wrench are fixed in the code position stops.

However, such a design, when used to lock safes or rooms of limited access, has a drawback - this is the secret part, which is open for exposure to foreign objects and aggressive substances.

The present invention solves the problem of a high degree of security of the lock from exposure to foreign objects, aggressive substances, in particular, on the locking pins when trying to open them without a key.

To achieve this technical result, a lock containing a housing with a cover and a rotary disk, in which coaxial holes are made and freely moving locking pins, a deadbolt, a deadbolt movement mechanism, including an external handle rigidly mounted on a shaft with a shoulder, a piston freely mounted on the shaft handles interacting with locking pins and a shaft shoulder, a socket wrench made with holes located coaxially with the axes of the locking pins, is additionally equipped with a positioner that has a pin , a groove for a socket wrench and holes for locking pins, in addition, an inner sleeve with a groove in which rollers are installed that interact with the bolts and an axis rigidly mounted in the rotary disk and passing through the hole in the piston into the inner sleeve, while the rotary disk fully installed in the housing, and the coaxial holes for the pins in the housing and the rotary disk are cut by half a diameter, and the locking pins are made in the form of a single stepped shaft with a groove for undercut in the rotary disk.

A distinctive feature of the proposed lock is that it is additionally equipped with a positioner, which has a pin, a groove for the socket key and holes for the locking pins, in addition, an internal sleeve with a groove in which the rollers interacting with the bolts and an axis rigidly mounted in the rotary disk and passing through the hole in the piston into the inner sleeve, while the rotary disk is fully installed in the housing, and the coaxial holes for the pins in the housing and the rotary disk are cut by half a diameter, locking pins are made in the form of a single stepped shaft with a groove for a recess in the rotary disk.

Due to these signs, the lock is most fully protected from foreign objects or aggressive substances on the locking pins when trying to open it without a key.

The following is an embodiment of the invention that does not exclude other variations within the scope of the claims.

The proposed castle is illustrated by the drawings shown in figures 1-12.

Figure 1 shows a General view of the castle;

figure 2 is a section along EE according to figure 1;

figure 3 is a section KK according to figure 2;

figure 4 is a view of F according to figure 2;

figure 5 is a view of G according to figure 4;

figure 6 is the key;

Fig.7 is a view of H according to Fig.4;

on Fig is a side view;

Fig.9 is a section L-L of Fig.8;

figure 10 - section PP in figure 9;

figure 11 is a side view with a key;

on Fig - section MM in Fig.11.

The lock contains a housing with a cover 1 and a rotary disk 2, which is fully installed in the housing 1. In the housing 1 and the disk 2 are made coaxial holes cut into half the diameter from the inside of the housing and from the outer part of the rotary disk. They are installed freely moving locking pins 3. In the housing 1 there are 4 bolts in the form of a rack with a groove. The bolt movement mechanism includes an external handle 5 rigidly mounted on a shaft with a shoulder. The piston 6 is freely mounted on the shaft of the external handle 5. The socket wrench 7 is made with holes, coaxial holes of the housing 1, into which the pins 8 are installed in the code position. A groove is made in the inner sleeve 9, and rollers 10 are installed in it for interacting with the bolts 4. The axis 11 is rigidly mounted in the rotary disk 2, passes through the hole in the piston 6 and fits tightly into the inner sleeve 9. A pin 12 is mounted on the shaft of the outer handle 5 for transmitting torque to the rotary disk 2. In addition, a sleeve 13 and a sleeve 14 are freely mounted on the shaft of the external handle 5, in which a groove is made for the positioner 15. In the positioner 15, a key-hole 7 is made and a pin 16 is rigidly mounted for positioning the key 7 as well as Full bore coaxial pin hole in the casing 1 and the key 7.

The castle operates as follows. In the initial state, the positioner is completely retracted into the housing 1. Then, the external handle 5 is removed from the housing 1 of the lock (figure 2). In this case, the piston 6 acts on the locking pins 3 and moves them from the lock body 1 to the stop (the pin 12 together with the shaft of the external handle 5 moves along the groove of the rotary disk 2). After that, the positioner 15 (figure 2) is pushed out of the lock along the groove made in the sleeve 14 until it stops. Next, the positioner 15 is rotated around the axis of the lock together with the sleeve 14 so that the recess made in the positioner 15 is installed opposite the keyway made in the housing 1. The key 7 is inserted into this groove (Fig. 2 and Fig. 12), the pin 16 installed in the groove of the positioner 15, and rotates together with the positioner 15 and the bushings 13, 14. After that, the positioner 15 is inserted into the lock housing 1 along the groove of the sleeve 14, while the pin 16 performs the function of positioning the key 7 (its pins 8) the relation of the locking pins 3 locks installed in the housing 1. The locking pins 3 of the lock under the influence of the pins of the key 8 are moved to the code position, in which the groove on the locking pins 3 coincides with the recess made on the rotary disk 2. Then the external handle 5 is rotated left or right (open-close), while the shaft external handle 5 acts on the pin 12, which in turn transmits torque to the rotary disk 2. The latter rotates and through the axis 11 acts on the inner sleeve 9, on which the rollers 10 are installed, which move the bolts 4.

The proposed castle stands out among similar ones, significantly increasing consumer qualities. The unusual appearance of the castle also attracts attention to it. The basic design of the castle can be changed, taking into account the needs of a potential buyer. Market research and the operation of prototypes have shown that the proposed lock can be used when locking a safe, bank cells, and restricted access rooms. The proposed lock also fits perfectly with any electronic systems, which makes it possible to use it for almost any protection purpose.

Claims (1)

A safe lock containing a housing with a lid and a rotary disk, in which coaxial holes are made and freely moving locking pins, a deadbolt, a deadbolt movement mechanism including an external handle rigidly mounted on a shaft with a shoulder, a piston freely mounted on the handle shaft interacting with locking pins and shaft shoulder, a socket wrench made with holes located coaxially to the axes of the locking pins, in which the pins are installed in the code position, characterized in that it is additionally provided with a positioner that has a pin, a groove for the socket key and holes for the locking pins, in addition, an internal sleeve with a groove in which the rollers are installed, interacting with the bolts, and an axis rigidly mounted in the rotary disk and passing through the hole in the piston into the inner sleeve while the rotary disk is fully installed in the housing, and the coaxial holes for the pins in the housing and the rotary disk are cut half a diameter, and the locking pins are made in the form of a single stepped shaft with a groove for undercut in the rotary disk.

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