RU2283406C1 - Protective armor covering plate for cylinder lock - Google Patents

Abstract

FIELD: ironmongery, particularly protective means for locks.

SUBSTANCE: covering plate comprises outer member, which closes access to cylinder mechanism, and rotary protective washer installed inside outer member. The washer comprises key hole. The outer member is provided with cavity. Washer is arranged in outer member and may slide in key driving direction. Annular groove is formed in outer member cavity. The cavity is also adapted for protective case receiving. The protective case comprises orifice in which support bush is installed so that the support bush is coaxial to protective washer and may contact with it. The support bush encloses cylinder mechanism. Outer member may be longitudinally and angularly displaced relatively the case. Case, outer member and support bush are provided with coaxial orifices for wire leads receiving.

EFFECT: increased resistance to breaking-in.

4 cl, 2 dwg

Description

The invention relates to hardware and can be used to protect the cylinder mechanism of locks in wooden and metal doors of buildings, apartments, safes, etc.

The castle is known according to the patent of the Russian Federation No. 2174177, in which for its protection there is a U-shaped hardened plate that covers the entire case of the castle, thereby increasing its burglar resistance. However, at the same time, the secrecy mechanism is still available, which does not ensure its reliability.

Known overlay cylinder lock mechanism according to the patent of Russian Federation No. 2098583, in which there is a high-strength element that blocks access to the cylinder mechanism, and is located in the high-strength element with the possibility of rotation of the protective washer made of high-strength material and having a hole for the key.

A disadvantage of the known device is its low resistance to criminal effects on the cylinder mechanism by knocking out the cylinder mechanism.

The technical result of the invention is the creation of a lining of the cylinder mechanism of the lock, providing an increase in its burglar resistance and providing a signal about illegal actions.

The specified technical result is achieved in that the protective armor plate for the cylinder mechanism of the lock contains an external element that blocks access to the cylinder mechanism, and a protective washer having a key hole located in the external element with the possibility of rotation. The external element has a cavity, the washer is located in the external element with the possibility of longitudinal movement in the direction of key input, and an annular groove is made in the cavity of the external element and a protective housing is placed, while the protective housing has an opening in which it is coaxial with the protective washer and can be contacted with it mounted with the possibility of longitudinal displacement of the thrust sleeve, covering the cylinder mechanism, and the external element has the possibility of longitudinal and angular displacement relative to the housing, and in the housing e, the outer element and the thrust sleeve are made of coaxial holes designed to conduct electrical wiring through them.

The lining body has a pin, one end of which enters the annular groove with a gap that allows axial and angular displacement of the external element relative to the body.

In the housing, the outer element and the thrust sleeve there is a second group of coaxial holes, which are designed to connect these parts with a safety pin.

All lining elements are made of carbide material or hardened steel, and the safety pin and wiring are made of soft material.

The invention is illustrated by drawings, which depict:

figure 1 is a front view of a protective armor plate;

figure 2 is a section aa in figure 1.

The protective armor plate for the cylinder mechanism of the lock contains an external high-strength element, made in the form of a glass 1, blocking access to the cylinder mechanism (not shown). The glass 1 is worn on a protective housing 2, which is also made of high-strength material, for example, steel 40XH. The glass can rotate around the housing 2 and move relative to it in the longitudinal direction. The housing 2 is directly attached to the door and a cylinder lock mechanism is placed in it. A hole is made in the housing 2, in which the thrust sleeve 3 made of the same steel is freely placed. In the bottom of the glass 1, a protective washer 4 is arranged rotatably, made of 40XH steel and having a key hole. The washer 4 is located in the bottom of the glass with the possibility of longitudinal movement, and its center of rotation does not coincide with the axis of rotation of the glass. An annular groove is made in the wall of the cup 1 from the inside and parallel to the bottom of the cup, in which one end of the pin 5 is placed. The groove is made so wide that it moves the cup or the protective washer 4 in the axial direction of about 3 mm, see Fig. 2. A similar pin 6 is located in the housing 3 opposite the pin 5. These pins are installed in the corresponding holes of the housing freely to enable assembly of the entire structure. The thrust sleeve 3 is placed in the hole of the housing freely and so that its axis is parallel to the axis of the cup and coaxial to the axis of the protective washer 4, with which it has the ability to contact. Therefore, the pin 5 at its end rests on the thrust sleeve 3, which prevents it from falling out of the housing 2. The pin 6 rests directly on the cylinder mechanism. In order to assemble the entire structure together, coaxial holes are made in the housing, cup and thrust sleeve, one group of which is designed for safety pins 8 and 9, made, for example, of copper or another, rather soft material. Another group of coaxial holes is intended for wiring 10 connected to the control system. The electrical wiring is made in isolation.

Work lining.

As can be seen from the presented design, the pad protects the entire cylinder mechanism from drilling due to the washer 4 and due to the fact that the cylinder mechanism is protected from all sides by armored elements. When trying to knock out the cylinder mechanism, either the cup or the thrust sleeve, if a protective washer presses on it, the resistance is cut, which leads to an alarm.

If you try to scroll the glass, it will also lead to a break in resistance. If you try to pull the glass on yourself, it will also lead to a break in resistance and an alarm.

That is, any unauthorized impact on the protective washer or glass in any direction - to the door, from the door around the axis leads to a break in electrical resistance and the alarm system.

Claims (4)

1. A protective armor plate for the cylinder mechanism of the lock, containing an external element that blocks access to the cylinder mechanism and is located in the external element rotatably with a protective washer having a key hole, characterized in that the external element has a cavity, the washer is located in the external element with the possibility of longitudinal movement in the direction of key input, and in the cavity of the external element an annular groove is made and a protective housing is placed, while the protective housing has an opening in which but the protective washer and with the possibility of contacting with it is mounted with the possibility of longitudinal displacement of the thrust sleeve, covering the cylinder mechanism, and the external element has the possibility of longitudinal and angular displacement relative to the housing, and in the housing, the external element and the thrust sleeve made coaxial holes designed to pass through them electrical wiring. 2. The protective armor plate according to claim 1, characterized in that the housing has a pin, one end of which enters the annular groove with a gap that allows axial and angular displacement of the external element relative to the housing. 3. The protective armor plate according to claim 1, characterized in that in the housing, the outer element and the thrust sleeve there is a second group of coaxial holes that are designed to connect these parts with a safety pin. 4. The protective armor plate according to claim 1, characterized in that all its elements are made of carbide material or hardened steel, and the safety pin and electrical wiring are made of soft material.

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