RU2351726C2 - Secret block for wing-key lock - Google Patents

Abstract

FIELD: construction.

SUBSTANCE: invention is related to locks with plate stops that move during key turn and that follow bar motion, and may be used for production of commodity locks in mortise and add-on versions, both for doors of increased strength. Unit comprises sides of bar that moves from key turn with recesses for interaction with key bits on one of side facets. Set of wing-keys with identical lock windows and code combinations on side facets parallel to direction of bar motion and separated by fixed plates is installed between sides on pair of guide columns, and this set is movable in perpendicular direction. Plates are arranged in the form of gaskets installed between adjacent wing-keys on every guide column. Both guide columns are rigidly fixed between sides of bar on different sides of recesses for interaction with key bits. Edges of bar sides that are opposite to recesses for key bits are arranged as bent towards each other. Bracket-like plate spring common for the set is installed between bends and wing-key set facets inverted to them.

EFFECT: simplification of item design, improvement of its production technology and considerable increase of reliability indices.

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Description

The invention relates to locks with plate delays moving when the key is turned and following the movement of the deadbolt, and can be used in the manufacture of locks of mass demand in mortise and overhead versions, including for locking objects with doors of increased strength.

A known lock [1], containing a deadbolt with samples for interaction with key barbs and a locking column rigidly fixed to it by the middle part, the ends of which move in slots on the lid and the housing, as well as a set of levers, movable from turning the key on the guide columns, rigidly fixed in case details. Each suvald has its own locking window with its own code combination interacting with the bolt locking column, and is spring-loaded with an individual wire spring in the direction of the key, and the guiding bars of the set of levers are installed on both sides of the samples to interact with the key barbs on the bolt plate at any position.

Such a design practically eliminates jamming of the levers on the guide posts when they are lifted by turning the key, because the force exerted on the edges of the suvald in contact with the key is always between the guide posts, and the lateral reactions of the forces exerting on the edges of the suvald windows are minimal for the guide posts, but the fastening of the guide posts for the set of picks in the lock body prevents the installation of a common spring for the whole set, because with each half turn of the key, the amount of rise of each levers in the set changes, which significantly complicates the technology of production of the lock and reduces its reliability.

A well-known secret block for level locks [2], containing the sides of the deadbolt key that is movable from turning with samples for interacting with the key barbs on one of the side faces parallel to the direction of movement, and movable between the deadbolt sides on the guide posts also from the key rotation in the perpendicular direction a set of levers separated by fixed plates.

A common through groove is made on movable levers and fixed plates, in which guide posts are placed, one of which is rigidly fixed in the sides of the bolt, the other is movable together with movable levers, and a compression spring common to the set of levers is installed between the guide posts.

This design greatly simplifies the technology of production of the lock and greatly increases its reliability, however, the location of the guide columns on one side of the samples for key barbs on the sides of the bolt and the execution of the guide column closest to the samples movable together with the levers does not exclude the possibility of jamming it under adverse conditions.

The claimed object contains the sides of the bolt, which is movable from turning the key, with samples for interacting with the key barbs on one of the side faces parallel to the direction of movement, and a set of levers with identical lock windows and code keys, movable from the turn of the key in the perpendicular direction, located between the bolt sides on the pair of guide columns combinations on the side faces parallel to the direction of movement of the bolt, separated by fixed plates.

Both guide columns are rigidly fixed between the sides of the bolt on opposite sides of the samples for interaction with the key barbs, the fixed separation plates are made in the form of a pair of gaskets mounted on both guide columns, the sides of the bolt sides, opposite to the samples for the key barbs, are bent towards each other, and between the bends and the faces of the set of levers facing them, a staple leaf spring is installed.

Technical advantages of the claimed facility are as follows:

- rigid fastening of the guide columns in the sides of the bolt eliminates the possibility of accidentally turning one of them around its axis when moving in the grooves for its ends made in the sides of the bolt (in the prototype), and the location of the guide columns on opposite sides of the samples for the key barbs significantly reduces forces friction in the contacts of the suvald with the guide posts during their working stroke from turning the key;

- the implementation of the stationary separation plates in the form of pairs of gaskets installed between the levers on both guide posts, simplifies the design and reduces the metal consumption of the product;

- the implementation of the faces of the sides of the bolt, opposite the samples for the key barbs, bent towards each other provides the possibility of installing between the bends and facing them the faces of the set of levers of a bracket-shaped plate spring of the simplest design with high reliability indicators.

The combination of these technical advantages of the claimed object in comparison with the prototype provides a technical result, which consists in simplifying the design of the product, improving the technology of its production and a significant increase in reliability indicators.

The drawings illustrate the secret block for level locks, where Fig. 1 shows its general view with the position of the key at the extreme retracted state of the secret block, Fig. 2 is a cross-section along aa in Fig. 1 and in Fig. 3 - plan view.

The secret block contains sidewalls 1 with samples 2 and 3 for interaction with key beards 4, with bends 5 on the opposite edge of the sidewalls, on the longitudinal axis of which there is a slot 6 for the locking column 7, and on both sides of the samples 2 and 3 diagonally relative to the slot 6 fixed a pair of guide posts 8 and 9 for a set of levers 10 and spacer gaskets 11.

A locking window with identical locking protrusions 12 and 13 is made in the center of the field of each leveler 10, grooves 14 are made for the guiding columns 8 and 9 at the corners with the largest diagonal, and code combinations of the lock secret from the first are made on the peripheral faces of the levers parallel to the axis of the locking window stage 15 and second 16, and only the code combination closest to the key is involved in the work, and the other becomes operational when the lever is turned 180 ° during the picking process.

In the free space between the sidewalls 1 under the bends 5 above the upper (in FIG. 1) edges of the leveling pad 10, a common bracket-like leaf spring 17 is installed for their set, holding the entire set of leveling plates in a predetermined position, in the middle part of which a double cross-section has been broadened the thickness of the sidewalls 1, ensuring its durability, commensurate with the durability of other parts of the secret block.

When the key 4 is turned counterclockwise to 60 °, one of its barbs, coming into contact with the first stage 15 of the combination code of the set of levers 10, compressing the spring 17, brings the first pair of locking protrusions 12 to the position at which the locking column 7 is against the gap between them, and a further turn of the key by the next 60 ° ensures the passage of the secret block through the locking column 7 by the size of the first step of its movement. The part of the slots 14, which is free from the guide posts 9, is larger than the nominal stroke of the leveling pad 10, which makes it possible to re-lift them, for example, when using the master key and engaging the lower (according to the drawing) locking protrusion 12 behind the locking column 7, in which the bolt cannot be moved.

Further rotation of the key 4 to the remaining 60 ° half-turn leads to lowering the set of levers 10 under the action of the spring 17, as a result of which the secret block is fixed on the locking column 7 in an intermediate position, covering it with locking protrusions 12 and 13 on both sides.

The movement of the bolt to the next step of its course is performed similarly with the only difference that the second beard of key 4 comes into operation, interacting with the second stage 16 of the code combination and another sample 13 on the sidewall 1, and the secret block is fixed on the locking column 7 between the locking protrusion 13 and the side wall of the locking window.

The movement of the secret block in the lock housing to open the object is carried out in the reverse order.

Information sources

1. Description of the invention to the author's certificate of the USSR No. 1227784 dated 11.11.84, IPC EV05/25/06.

2. Description of the invention to the patent of the Russian Federation No. 2221919 dated 05/31/2002, IPC 6 EV 25/00.

Claims (1)

A secret block for level locks containing the sides of the deadbolt key that is movable from turning with samples for interacting with the key barbs on one of the side faces parallel to the direction of movement, and a set of levers that are movable from the turn of the key in the perpendicular direction and are identical between the sides of the bolt on the pair of guide columns locking windows and code combinations on the side faces parallel to the direction of movement of the bolt, separated by fixed plates, characterized in that both The separating columns are rigidly fixed between the sides of the bolt on opposite sides of the samples for interaction with the key barbs, the fixed separation plates are made in the form of a pair of gaskets installed on both guide columns, the sides of the bolt sides, the edges of the sides of the bolt opposite the samples for the key barrels, are bent towards each other to a friend, and between the bends and the faces of the suvald set facing them, a common staple leaf spring is installed for the set.

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