CN2804295Y - 1-Shape lock having root stress - Google Patents

Abstract

The utility model relates to an I-shaped lock having root stress, which is characterized in that a key hole of a lock core is divided into a front section of the lock core hole and a rear section of the lock core hole, wherein the front section and the rear section of the lock core hole are respectively matched with the front section and the rear section of a key. The front section of the lock core hole is a cylinder matched with the front section of the key, and the front section of the lock core hole is a round-hole shape. At least more than one row of pellets are arranged on the axial inner surface of the round-hole shape, the front section of the key is a cylindrical bar matched with the round-hole section of the lock core, and slotted holes matched with the pellets of the lock core are arranged on the cylindrical bar. The rear section of the lock core hole adjacent to the outside of the lock core is the stress position during unlocking, the centre of the rear section of the lock core hole is provided with more than one I-shaped cylindrical slot, and the rear section of the key is an I-shaped cylindrical block matched with the cylindrical slot of the rear section of the lock core. The front section of the key can be inserted into the lock core from any direction of the lock core surface and can be rotated arbitrarily in the lock core. Until the I-shaped cylindrical block of the rear section of the key is aligned to the I-shaped cylindrical slot of the rear section of the lock core hole, the key can be reinserted. When the key is rotated, the I-shaped cylindrical block of the rear section of the key can drive the lock core to rotate through the I-shaped slot in the rear section of the lock core hole, and the door lock is opened.

Description

The stressed key lock of yi word pattern root

Technical field

The utility model belongs to a kind of lock structure, is meant that especially the rolling stock door with lock, also can be widely used in all kinds of locksets, in particular for stressed bigger, and is difficult to align in the lockset of lock-bit.

Background technology

Existing a variety of as door lock, but from the form of structure of lock core, mainly contain sheet profile of tooth key lock and cross profile of tooth key lock, the characteristics of these locksets are when unblanking, all be that dentation position by key is with after pellet shot from a slingshot backs down in the lock core, directly with the stressed lock core of opening in dentation position.But this class lock core structure exists weak point, the one, when opening the lock with the key, just can insert after must be earlier key being aligned by the position of lock core fully; Second this class lock core structure is owing to being stressed the unblanking of tooth portion of leaning on key, so the shaped as key bit position is stressed very big.And because toothed section is arranged in order to make the pellet shot from a slingshot dislocation, the profile of tooth ditch is with deep mixed, and some will go deep into the root of toothed region dark place, if it is at this moment stressed, key will be easy to fracture, the break phenomenon in lock core, therefore necessary improvement of key when just often occurring unblanking in reality.Particularly for locomotive or other position than higher door lock, often need climb up when unblanking could be to arriving lock core, if both needed to normotopia, and key is stressed limited again, just be easy to the key phenomenon of rupture occur, do not use so existing sheet profile of tooth key and cross profile of tooth key lock all fit into the locomotive lock.

The utility model content

The purpose of this utility model is to be not easy at existing key lock the deficiency of place uses such as locomotive, provides a kind of contraposition more convenient, and key is stressed better, the novel key of frangibility lock.

According to the purpose of this utility model, implementer's case that lock proposes is: change the keyhole of lock core into two segment structures, be divided into lock core hole leading portion and lock core hole back segment, leading portion and back segment with key matches respectively, lock core hole leading portion and key leading portion are the cylinder that matches, the lock core hole leading portion is a circular hole, on the axial inner surface of circular hole, be provided with the pellet shot from a slingshot more than at least one row, and the key leading portion is the cylindrical rod that matches with the lock core circular hole portion, on cylindrical rod, have the slotted eye that matches with lock core marble, and lock core lock core hole back segment outside force part when unblanking, have the yi word pattern cylindrical slot of one or more at the center of lock core hole back segment, and the key back segment is a yi word pattern column piece that matches with lock core hole back segment cylindrical slot, the leading portion of key can from plug face either party in inserting lock core, and can in lock core, rotate arbitrarily, yi word pattern column block alignment lock core hole back segment yi word pattern cylindrical slot until the key back segment can be inserted again, in key column block alignment lock core cylindrical slot, after key inserts lock core again, bullet groove on the key will be aimed at the pellet shot from a slingshot of lock core automatically.During screw key, the in-line column piece of key back segment will drive lock core by lock core hole back segment inside spread-eagle cylindrical slot and rotate, and open door lock again.In the whole process of unblanking, the key front portion has the position of bullet groove not to be subjected to any revolving force, that unblanks is stressedly all born by key back segment in-line column piece, because the column piece is near the root of key, and the column piece can be done durablely, the non-marble groove damages the column piece again on the column piece, so intensity is very high, is not easy to fracture.

Adopt the utility model, because the front portion of key is circular, so contraposition is very easy, it is just passable only to need that key is arbitrarily inserted lock core, insert behind the lock core key arbitrarily, and be in-line column piece at the root of key, that unblanks is stressedly all born by the column piece, so behind the anterior insertion of key lock core, do not bear the revolving force of unblanking, when unblanking, after the anterior insertion of key, need the cylindrical slot of key to the column block alignment lock core of key root, key is inserted fully again, the bullet groove of key front portion will just in time be aimed at pellet shot from a slingshot on the lock core this moment, the cylindrical slot of the column block alignment lock core of while key root, the column piece of key root will be unblanked by the cylindrical slot drive lock core of lock core when unblanking.Have locking conveniently, it is stressed good to unblank, and advantage such as frangibility can not be widely used on all kinds of door locks.

Accompanying drawing and explanation

Fig. 1 is the utility model lock core external structure schematic diagram;

Fig. 2 is the utility model lock core cross-sectional view;

Fig. 3 is the utility model lock core left-hand schematic diagram;

Fig. 4 is the utility model Key structure schematic diagram.

Among the figure

1, lock core 2, lock core body 3, lock core hole leading portion

4, lock core hole back segment 5, lock core in-line cylindrical slot 6, lock core circle shape hole

7, pellet shot from a slingshot 8, key leading portion 9, key pins groove

10, key 11, key back segment

The specific embodiment

Accompanying drawing has provided an embodiment of the present utility model, and the utility model will be further described below in conjunction with embodiment.

From accompanying drawing as can be seen, the utility model is a kind of door lock, comprise lock core 1 and key 10 two parts, its characteristics are that lock core 1 is two segment structures, be divided into lock core hole leading portion 3 and lock core hole back segment 4, match with key leading portion 8 and key back segment 11 respectively, lock core 1 is circular port with the lock core hole leading portion 3 that key 10 matches, and is provided with the pellet shot from a slingshot 4 more than at least one row on the axial inner surface in lock core circle shape hole 6; And the key leading portion 8 of key 10 and the cylindrical rod that lock core circular hole leading portion matches have the key pins groove 9 that matches with lock core marble 7 on key leading portion 8; And lock core 1 lock core hole back segment 4 outside force part when unblanking has 5, two yi word pattern cylindrical slot 5 of two yi word pattern cylindrical slot and is crossed as crosswise at the center of lock core hole back segment 4; And key back segment 11 is a yi word pattern column piece that matches with lock core back segment cylindrical slot, the leading portion of key 10 can from plug face either party in inserting lock core 1, and can in lock core 1, rotate arbitrarily, arbitrary yi word pattern cylindrical slot 5 until key back segment 11 yi word pattern column block alignment lock core hole back segments 4 can be inserted again, aim at yi word pattern cylindrical slot 5 at column piece 8, after key 10 inserts lock core 1 again, bullet groove 9 on the key 10 will be aimed at the pellet shot from a slingshot 7 of lock core 1 automatically, again during screw key 10, the yi word pattern column piece of key back segment 11 will drive lock core 1 by lock core 1 inside spread-eagle cylindrical slot 5 and rotate, and open door lock.In the whole process of unblanking, the key front portion has the leading portion position of bullet groove not to be subjected to any revolving force, that unblanks is stressedly all born by the yi word pattern column piece of key back segment 11, because the yi word pattern column piece of key back segment 11 is near the root of key 10, and the yi word pattern column piece of key back segment 11 can be done durablely, the non-marble groove damages the column piece again on the yi word pattern column piece of key back segment 11, so intensity is very high, is not easy to fracture.

Claims (3)

1, the stressed key lock of yi word pattern root, comprise lock core (1) and key (10) two parts, it is characterized in that lock core (1) is two segment structures, be divided into lock core hole leading portion (3) and lock core hole back segment (4), match with key leading portion (8) and key back segment (11) respectively, lock core (1) is a circular port with the lock core hole leading portion (3) that key (10) matches, and is provided with the pellet shot from a slingshot (4) more than at least one row on the axial inner surface in lock core circle shape hole (6); And the key leading portion (8) of key (10) and the cylindrical rod that lock core circular hole leading portion matches have the key pins groove (9) that matches with lock core marble (7) on key leading portion (8); And lock core (1) lock core hole back segment (4) outside force part when unblanking has one or more yi word pattern cylindrical slot (5) at the center of lock core hole back segment (4), and key back segment (11) is a yi word pattern column piece that matches with lock core back segment cylindrical slot.

2, key lock as claimed in claim 1 is characterized in that the center of described lock core hole back segment (4) has two yi word pattern cylindrical slot (5), and two yi word pattern cylindrical slot (5) are crossed as crosswise.

3, key lock as claimed in claim 1, it is characterized in that described key (10) leading portion can from plug face either party in inserting lock core (1), and can in lock core (1), rotate arbitrarily, can insert again until arbitrary yi word pattern cylindrical slot (5) of key back segment (11) yi word pattern column block alignment lock core hole back segment (4).

Images