CN201027418Y - Anti-pick spring lock core - Google Patents

Abstract

The utility model discloses an anti-lock spring lock core, wherein, a key piece consists of reverse teeth and a main anti-twist part, a key hole is provided inside with a U-shaped ball inverted slot which is capable of sealing head parts and both sides of the balls, a front end of the key hole is provided with at least a high position ball in order to prevent unlocking tools from inserting from the ball inverted slot to move the balls; with both sides of the balls sealed in the ball inverted slot, balls are not moved even by unlocking tools, thereby the utility model has perfect anti-lock performance and eliminates that the utility model is unlocked by tools. The utility model has the advantages of simple structure, easy process, low cost and high reliability, etc., and can be widely applied to lock fields such as door lock, padlock, car lock and cashbox lock, etc.

Description

A kind of anti-pulling pellet lock master

Technical field

The utility model relates to lock core, particularly lock cylinder

Technical background

Existing lock cylinder is to be made of lock core shell, lock gall, pellet shot from a slingshot, flexible member and key, and keyhole is located on the lock gall, and pellet shot from a slingshot is contained in lock core shell and the lock gall, and the pellet shot from a slingshot head is emerging in the keyhole; When key inserted keyhole, tartar compression pellet shot from a slingshot head stopped at various height pellet shot from a slingshot, and lock core is opened.Be exposed in the keyhole just because of pellet shot from a slingshot head or two sides, instrument can insert keyhole, stirs the pellet shot from a slingshot head easily, tries to unblank.Because marble amount is subjected to lock core size restriction, can not be too many, so the general several seconds of lock cylinder just can open easily, have potential safety hazard.

The anti-technical opening measure of adopting at present, as: special-shaped pellet shot from a slingshot, arrange in pellet shot from a slingshot, the pearl pearl etc. more and all have above-mentioned same defective, this also is the key factor of the existing easy technical opening of lock cylinder.

Summary of the invention

The purpose of this utility model is to provide a kind of anti-technical opening lock cylinder, pellet shot from a slingshot can be stashed well, can't stir, and improves its security performance greatly.

The purpose of this utility model realizes by following scheme: lock gall is arranged in lock core shell, a plurality of pellets shot from a slingshot hole on the lock core shell is corresponding with a plurality of pellets shot from a slingshot hole on the lock gall, last pellet shot from a slingshot, following pellet shot from a slingshot, flexible member are installed in the pellet shot from a slingshot hole, lock gall is provided with keyhole, the pellet shot from a slingshot that the upside of keyhole is provided with " U " font falls groove, pellet shot from a slingshot falls channel opening over against the pellet shot from a slingshot hole, and under the promotion of flexible member, the head of last pellet shot from a slingshot and two sides upper end is bumped into pellet shot from a slingshot and falls in the groove; Pellet shot from a slingshot falls groove and a wherein side that goes up pellet shot from a slingshot all can also be sealed; Formation is to the encirclement of pellet shot from a slingshot head.

Key piece of the present utility model is divided into the antitorque part of main body and reverse tartar partly, and the reverse tartar that has at least a row to cave on the key piece, and the antitorque part of side and main body by the tartar opening direction is connected.That is: the antitorque part of main body partly is connected by the place, side of more shallow tartar with reverse tartar, and the opening direction of tartar is towards antitorque part of main body and reverse tartar junction partly.Have at the front end of keyhole and to be provided with at least that pellet shot from a slingshot is high-order pellet shot from a slingshot on one, at least one is arranged in pellet shot from a slingshot and falls the high-order pellet shot from a slingshot of groove when unlocking condition, the head of this pellet shot from a slingshot is pressed close to pellet shot from a slingshot and is fallen bottom in the groove, and high-order pellet shot from a slingshot can stop that instrument stirs pellet shot from a slingshot along the pellet shot from a slingshot insertion of falling the groove and unblank.

The utility model since the side of pellet shot from a slingshot by pellet shot from a slingshot fall the groove encirclements, instrument also can not touch the pellet shot from a slingshot head from the side, can't depress pellet shot from a slingshot, so can stop the instrument unlatching.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1 key piece;

Fig. 2 is the side diagrammatic sketch of Fig. 1;

Fig. 3 is Figure 1A-A cut-away view;

Fig. 4 is embodiment 1 a lock core structure schematic diagram;

Fig. 5 is the structural representation of the utility model embodiment 2 key pieces;

Fig. 6 is the side diagrammatic sketch of Fig. 5;

Fig. 7 is the A-A cut-away view of Fig. 5;

Fig. 8 is the lock core structure schematic diagram of embodiment 2.

The specific embodiment

Embodiment one: as shown in Figure 1, 2, key piece 1 is made up of reverse tartar part 2 and the antitorque part 3 of main body, the cross section of key piece 1 is the W font, and oppositely the antitorque part 3 of the root of tartar and main body disconnects, and the antitorque part 3 of main body is connected with the place, side of reverse tartar part 2 at the tartar opening direction.Oppositely tartar partly on 2 tartar toward cave in, the depth do not wait, as: dark tartar 15, shallow tartar 16, the antitorque part 3 of main body is connected with the place, side of reverse tartar part 2 at shallow tartar 16, and promptly the opening direction of reverse tartar is towards the junction of the antitorque part 3 of main body with reverse tartar part 2.Lock gall 7 is arranged in lock core shell 6, and lock gall 7 is provided with a plurality of pellets shot from a slingshot hole of axially-aligned, and a plurality of pellets shot from a slingshot hole on the lock core shell 6 is corresponding with it, and pellet shot from a slingshot 8, following pellet shot from a slingshot 9 and flexible member 11 are housed respectively in the pellet shot from a slingshot hole.On lock gall 7, also be provided with keyhole 5, the pellet shot from a slingshot that the upside of keyhole 5 is provided with " U " font falls groove 4, pellet shot from a slingshot 9 jack-up were gone up pellet shot from a slingshot 8 under flexible member 11 promoted, the head of last pellet shot from a slingshot 8 and two sides are embedded pellet shot from a slingshot falls in the groove 4, because last pellet shot from a slingshot 8 heads and two sides upper end is all fallen groove 4 by pellet shot from a slingshot and surrounded, instrument can't be stirred pellet shot from a slingshot from two sides; Simultaneously on a plurality of in the pellet shot from a slingshot 8, the front end that key inserts has at least one to be high-order pellet shot from a slingshot, and promptly the head of high-order pellet shot from a slingshot is close to pellet shot from a slingshot and is fallen the depths of groove 4 during the lock core opening, stops that instrument falls groove 4 from pellet shot from a slingshot and inserts and stir pellet shot from a slingshot and unblank.When key piece 1 inserted keyhole 5, oppositely tartar partly 2 stretched into from pellet shot from a slingshot falls groove 4, will go up pellet shot from a slingshot 8 and be compressed to differing heights, made the contact surface of pellet shot from a slingshot 8, following pellet shot from a slingshot 9 consistent with the contact surface of lock core shell 6 and lock gall 7, and lock gall 7 is promptly rotatable, and lock is promptly opened.

Embodiment two: shown in Fig. 3,4, key piece 1 is made up of the reverse tartar part 2 and the antitorque part 3 of main body of caving in, the cross section of key piece 1 is a zigzag, oppositely the antitorque part 3 of the root of tartar and main body disconnects, and oppositely tartar part 2 is to locate to be connected with the antitorque part 3 of main body by the side of tartar opening direction.Oppositely tartar partly on 2 tartar toward cave in, the depth do not wait, as: dark tartar 15, shallow tartar 16, the antitorque part 3 of main body is connected with the place, side of reverse tartar part 2 at shallow tartar 16, and promptly the opening direction of reverse tartar is towards the junction of the antitorque part 3 of main body with reverse tartar part 2.On key piece 1, also be provided with another of reverse tartar 2 parallel arranged and arrange common tartar 10; Lock gall 7 is arranged in lock core shell 6, is axially arranged with a plurality of pellets shot from a slingshot of two rows hole on the lock gall 7, and corresponding with a plurality of pellets shot from a slingshot of the two rows hole on the lock core shell 6, wherein pellet shot from a slingshot 8 is housed, following pellet shot from a slingshot 9, and flexible member 11 in row's pellet shot from a slingshot hole; Pellet shot from a slingshot 12 is housed, following pellet shot from a slingshot 13 and flexible member 14 in another row's pellet shot from a slingshot hole.Also be provided with keyhole 5 on lock gall 7, the pellet shot from a slingshot that the upside of keyhole 5 is provided with down " U " font falls groove 4, under the promotion of flexible member 11 on the head of pellet shot from a slingshot 8 and a side embed pellet shot from a slingshot and fall in the groove 4, groove 4 parcels are also fallen by pellet shot from a slingshot in the upper end of opposite side; Fall in the groove 4 because last pellet shot from a slingshot 8 heads put in pellet shot from a slingshot, and be provided with pellet shot from a slingshot 12 on another row at its opposite side, instrument can't be instigateeed from its side and be gone up pellet shot from a slingshot 8; Have that the front is provided with one to two high-order pellet shot from a slingshot among last pellet shot from a slingshot 8 these rows, promptly the head of high-order pellet shot from a slingshot is close to pellet shot from a slingshot and is fallen the depths of groove 4 during unlocking condition again, stops that instrument falls groove 4 from pellet shot from a slingshot and inserts and stir the pellet shot from a slingshot head and unblank.

When key piece 1 inserts keyhole 5, oppositely tartar partly 2 falls groove 4 along pellets shot from a slingshot and will go up pellet shot from a slingshot 8 and be compressed to differing heights, common tartar 10 will be gone up pellet shot from a slingshot 12 and be depressed into differing heights, make the contact surface of pellet shot from a slingshot 8,12 and following pellet shot from a slingshot 9,13 consistent with the gap location of lock gall 7 and lock core shell 6, lock gall 7 is promptly rotatable, and lock is just opened.

Claims (5)

1. anti-pulling pellet lock master, it comprises: lock core shell (6), lock gall (7), pellet shot from a slingshot, flexible member and key piece (1), it is characterized in that: the pellet shot from a slingshot that keyhole (5) is provided with at least one " U " font falls groove (4), pellet shot from a slingshot falls groove (4) opening over against the pellet shot from a slingshot hole, under the promotion of flexible member, during the insertion pellet shot from a slingshot fell groove (4) on the head of last pellet shot from a slingshot and two sides, pellet shot from a slingshot falls groove (4) will pellet shot from a slingshot head and the encirclement of two sides upper end.

2. anti-pulling pellet lock master as claimed in claim 1, it is characterized in that: key piece (1) comprises reverse tartar partly (2) and the antitorque part of main body (3), oppositely tartar partly is provided with the reverse tartar of a row on (2) at least, reverse tartar partly (2) is gone up tartar toward caving in, and oppositely tartar part (2) is connected with the antitorque part of main body (3) by the side of tartar opening direction.

3. anti-pulling pellet lock master as claimed in claim 1 is characterized in that: described pellet shot from a slingshot falls groove (4) when pellet shot from a slingshot stretches out state, and with the head of pellet shot from a slingshot and wherein upper lateral part encirclement, and opposite side all seals.

4. anti-pulling pellet lock master as claimed in claim 1 is characterized in that: described key piece (1) also is provided with the common tartar (10) that at least one row and reverse tartar (2) are arranged in parallel.

5. anti-pulling pellet lock master as claimed in claim 1 is characterized in that: keyhole (5) front end pellet shot from a slingshot is provided with a high-order pellet shot from a slingshot at least.

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