RU220195U1 - LOCKING DEVICE FOR EASY RELEASE DESIGN - Google Patents

Abstract

The utility model of a locking device for an easily resettable structure (hereinafter referred to as the locking device) relates to the field of construction. The easily removable structure is secured to the load-bearing element of the building by means of a locking device. The locking device is designed to release an easily resettable structure in the event of an explosion (fire followed by an explosion) in the room. Contains a body, a plate, a destructible element, and a safety cable. Made in the form of a monoblock. When used in conditions where a fire may occur prior to an explosion, the outer surfaces are coated with a fire retardant compound. The force from excess pressure as a result of an explosion is transmitted through the components of the locking device to the element being destroyed. When the design force is exceeded, the destructible element is crushed, allowing the locking device to undock and release the easily removable structure. The movement of the easily resettable structure is limited by a safety rope.

Description

The useful model of a locking device for an easily resettable structure relates to the field of construction, namely to buildings and similar structures for special purposes.

From the prior art, a destructible fastening unit for an easily resettable structure is known (RF Patent No. 119780), containing a base pin, a support-stabilizing unit, a bracket, a cable safety device, and a destructible element closed with a plastic cap.

The disadvantages of this solution are the following:

1. The cable safety device is secured between separately installed parts of the destructible fastening unit and is not protected from accidental damage, as a result of which it may not perform its function.

2. The destroyed element is not protected from thermal effects in the event of a fire preceding an explosion and, due to thermal effects, may not perform its function.

3. Due to the fact that the setting of the destructible unit is carried out at the installation site, and not in the conditions of the manufacturer, the likelihood of an error in setting up the destructible unit increases, which will lead to unreliable operation of the destructible unit at the time of the explosion.

The problem to be solved by the stated technical solution is to expand the arsenal of technical means in this area, as well as to increase the reliability of operation of the locking device for an easily resettable structure.

This task is achieved due to the fact that a locking device for an easily resettable structure containing a housing, a plate, a destructible element, a threaded axle, a safety cable, a protective cover, and all elements are combined into a monoblock, while the destructible element and the safety cable are placed inside the housing and closed with a sealed lid. At the same time, to increase the reliability of operation under conditions in which a fire may occur prior to an explosion, the outer surfaces of the locking device for an easily resettable structure are coated with a fire retardant compound.

The technical result provided by the given set of features is to increase the reliability of operation by protecting the constituent elements with a protective cover, performing adjustment and adjustment work in the manufacturer’s conditions and coating the external surfaces with a fire retardant compound.

The device is illustrated in Fig. 1, which shows a locking device for an easily resettable structure in working condition. The protective cover 6 is not shown.

The appearance of the locking device for an easily resettable structure with the installed cover 6 is illustrated in Fig. 2.

A locking device for an easily removable structure includes a housing 1, mated to the plate 2 by connecting a hole (body 1) - a cylindrical protrusion (plate 2) and secured from disconnection by a destructible element 3 mounted on the threaded axis 4 of plate 2. The destructible element 3 is a calibrated washer thickness of plastic material with a threaded hole. The threaded axis 4 is installed on plate 2 and when the body 1 and plate 2 are joined, it passes through the hole in the body 1. In this case, the diameter of the hole for the threaded axis 4 in the body 1 is less than the diameter of the destructible element 3. Inside the body 1 there is a safety cable 5, one end of which is attached to body 1, and the second end on plate 2. The protective cover 6 is a metal plate according to the dimensions of body 1. The protective cover 6 is secured to body 1 by means of bolts that are screwed into the threaded elements of body 1.

The locking device for an easily resettable structure operates as follows.

Housing 1 is fixed to the load-bearing wall of the building. Plate 2 is fixed to an easily removable structure. The force arising inside the room as a result of an explosion and, therefore, excess pressure is transmitted through an easily resettable structure, plate 2, threaded axis 4 to the destructible element 3. When the design force is exceeded, the threaded part of the destructible element 3 is crushed, allowing the body 1 and plate 2 to undock, and the easily resettable The structure is dismantled from the opening under the influence of excess pressure, while the movement of the easily removable structure is limited by the safety rope 5.

Claims (2)

1. A locking device for an easily resettable structure, containing a housing, a plate, a destructible element, a safety cable, a protective cover, characterized in that all the elements are combined into a monoblock, while the destructible element and the safety cable are placed inside the housing and covered with a sealed protective cover. 2. A locking device for an easily resettable structure according to claim 1, characterized in that the outer surfaces are coated with a fire retardant compound.