RU2153052C1 - Lock with locking bolt - Google Patents

Abstract

FIELD: locks. SUBSTANCE: lock with a locking bolt has two working plates located in parallel with each other, with lugs on their inner side made at different distances from the edge of the plates corresponding to the slots on the key, cover plate for attachment to the door leaf, locking bolt. In addition, it is provided with a lever with a movable batten terminating in a lug located beyond the working plates; the working plates, the upper and lower ones, are installed on the plate for attachment to the door leaf, they have a rectangular shape and are located strictly perpendicularly to it and cover plate. The lock has two holes for the key, having the shape of a square, interconnected by a narrow slot. EFFECT: enhanced reliability and secrecy. 2 cl, 3 dwg

Description

 The invention relates to locking devices of a special design and can be used both on single-leaf and double-leaf metal or wooden doors, safes, etc., opening in any direction.

 A well-known lock with a deadbolt containing a housing and a key with cutouts (GB 2090626 A 07/14/82). A disadvantage of the known castle is the complexity of its design.

 Closest to the claimed device is a lock with a deadbolt containing two working plates parallel to each other with protrusions on their inner side, made at different distances from the edge of the plates, corresponding to the slots on the key, an overlay for attaching to the door leaf and deadbolt (see RF patent N 2134334, 6 E 05 B 63/00, published in BI N22, 1999). The disadvantages of this castle are the design complexity and increased labor costs in its manufacture.

 The objective of this technical solution is to create a lock of increased secrecy, simple and reliable structurally at the same time low manufacturing cost.

 The technical result consists in simplifying the design, repeatedly increasing secrecy in comparison with the prototype, reliability in operation.

 This technical result is achieved by the fact that in the known lock with a bolt containing two working plates parallel to each other, with protrusions on their inner side, made at different distances from the edges of the plates, corresponding to the slots on the key, an overlay for attaching to the door leaf, the bolt provided with a lever with a movable rail ending in a tongue located outside the working plates, the working plates, upper and lower, mounted on the plate for fastening to the door leaf, made straight Aulnay shape and located strictly perpendicular to the strip and, at the same time in the lock is provided with two key hole having a shape of a square, interconnected by a narrow slit.

 This design of the castle will increase its reliability, secrecy, reduce its cost.

 The essence of the device is illustrated by drawings, where in FIG. 1 shows a section through a lock with a key inserted into it (side view); FIG. 2 shows a section through a lock without a top plate with a key inserted (top view); FIG. 3 - an external overlay of the lock.

 The lock consists of a plate 1, rigidly fixed to the door leaf and bearing the working plates, upper 2 and lower 3, with protrusions 4 made to a height, in fractions of a millimeter, larger than the axis of the key hole 6 in the amount of 4-6 pieces, and in a larger number of protrusions 5 with a height equal to approximately 1/3 of the diameter of the hole for the key 6 (in the drawing it is conventionally shown in a limited number). The number of protrusions 4,5 and the distance between them is determined based on the strength characteristics of the key 6, in which the slots 7 are identical to the protrusions on the plates 2, 3.

 Brackets for the deadbolt 9 are attached to the door leaf 8, the length of which is calculated in such a way that it is possible to make the lock both “left-handed” and “right-handed”. To reduce friction, the bolt 9 is mounted on two rollers 10. The lever 11 is rigidly fixed to the bolt 9 with a movable rail 12 ending with a tongue 13, extended outside the working plate 3 and moving the bolt 9 with the movement of the key 6. The lever 11 and the movable rail 12 s tongue 13 adjust the position of the bolt 9 relative to the plane of the door.

 To maintain a given height of the tongue 13 (below the level of the protrusions of the lower plate) under the movable rail 12 set in the direction of travel of the last rail 14.

 The key 6 for gripping the tongue 13, having a protrusion 15, is several mm larger than the width of the plates 2, 3, depending on the width of the door leaf 8, is ground to 2-3 mm, and the side 17 of the key 6 adjacent to the cover 18 is made strictly parallel to the cover 18. The key is a square in cross section.

 An important part of this design of the lock is the key pad 18, which is rigidly attached to the door leaf 8 or lock plate 1. It should be geometrically strictly proportioned with the protrusions of the plates 2,3 and the slots on the key. In it, a slot 19 is made under the ground part of the key during its travel. At the ends of the slot, square turnkey holes 21 are made.

 The device operates as follows.

 In relation to the drawings and, having made the assumption that the lockable door is on the right, the lock position is “open”. To close the lock, a key 6 is inserted into the left hole 21, pressed against the pad 18 and moved to the right until it stops, moving the tongue 13 of the bolt 9 with the protrusion 15. "Closed".

 Opening is in the reverse order. The key is inserted into the right hole of the lining 18 and moves to the left. "Open".

 The use of this lock will allow, in comparison with the prototype, to achieve higher secrecy due to the significantly larger number of protrusions, to completely exclude the possibility of penetration of any other device or device into its working area. The protrusions on the plates, made at different distances from the edge of the plates, will not allow one way or another to make an impression of all the pairs (the protrusion on the plates is a slot on the key) that enter into the interaction during the operation of the mechanism.

Claims (2)

 1. The lock with a bolt, containing two working plates parallel to each other, with protrusions on their inner side, made at different distances from the edges of the plates, corresponding slots on the key, an overlay for attaching to the door leaf, a bolt, characterized in that it further equipped with a lever with a movable rail ending in a tongue located outside the working plates, and the working plates, upper and lower, are mounted on the plate for fastening to the door leaf, made rectangular and arranged us strictly perpendicular to it and the patch.  2. The lock according to claim 1, characterized in that it has two turnkey holes having the shape of a square, interconnected by a narrow gap.

Images