CN201411956Y

CN201411956Y - Burglarproof safety lock

Info

Publication number: CN201411956Y
Application number: CN2009201264181U
Authority: CN
Inventors: 廖德义
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-24
Filing date: 2009-02-24
Publication date: 2010-02-24
Anticipated expiration: 2019-02-24

Abstract

The utility model discloses a burglarproof safety lock, wherein a protective block (2) is fixedly linked on the end surface of a key hole (1a) of a lock (1), the position of the protective block (2),which oppositely faces to the key hole (1a), is provided with a gap (2a), and the inner wall of the gap (2a), which oppositely faces to the key hole (1a), is provided with a groove (2b). In a key matching with a burglarproof safety lock, the upper, the middle and the lower portions of a key (3) are provided with through holes (3b). In a key removing rod matching with the key, a key removing rod (4) is in an 'L'-shape, the external end of the long direct segment of the key removing rod (4) is provided with a handle, and the external end of the short direct segment of the key removing rod (4) isin a cone shape. The lock has simple structure, prevents illegal people from easily and illegally opening the lock by unlocking tools only through adding the protective block, can not increase the cost, and is very practical and widely used, simultaneously the key and the key removing rod are designed, which is very convenient to open the lock in normal and has no affection.

Description

Anti-theft safety lock

Technical field

The utility model belongs to a kind of lockset, specifically, is a kind of anti-theft safety lock.

Background technology

Be locked in the middle of house, trip instrument, safety cabinet and the drawer that is widely used in by people in people's daily life.In order to prevent the harm of lawless person, protection people's safety of life and property to people.But because the keyhole of lockset that current people use all is to be exposed to the lock body outside, like this, the lawless person is easy to adopt the tool used in crime as master key and so on, insert in the keyhole of lock core, rotational lock core is opened lock by force, has caused opportunity to the lawless person.In order to resist lawless person's infringement, ensure life and property safety, people also adopt electronic lock, coded lock etc., but these lock not only cost than higher, and the structure more complicated, damage than being easier to, cause certain difficulty for people's use, particularly old man and children, unusual inconvenience when using such lock.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of unlocking tool to be difficult for inserting anti-theft safety lock and matching used key and the key poke rod that lock core rotates by force.

The technical solution of the utility model is as follows: a kind of anti-theft safety lock, comprise lock, its key is: fixed-link has barrier block on the end face at described lock keyhole place, and this barrier block has breach over against the position of keyhole, this breach and keyhole over against inwall have groove.Because the existence of barrier block is arranged, and the bottom of key is introduced in the groove, the top of key just enters from keyhole then, and the distance of groove bottom land and keyhole place end face is suitable with key length, just the length of being longer than key a little.Have only the key of lock preparation just can enter lock core and unblank, other master key or other unlocking tool all are difficult for entering, even enter because the effect of barrier block, also do not make power carry out by force rotation.Can play good antitheft effect.

Above-mentioned groove front side wall is wide, and rear wall is narrow, and is wide at the top and narrow at the bottom between the two side.Key enters the barrier block breach from behind.

A kind of with state the key that anti-theft safety lock matches, comprise key, its key is: described on the key, in, the bottom all has through hole.After the key bottom enters groove, can utilize the thing of thin bar and so on to insert on the key through hole, stir in the lock core that key enters lock, more convenient to operate like this.

A kind of key poke rod that matches with key, its key is: described key poke rod is L-shaped, and the outer end of this key poke rod long and straight section is provided with handle, and the outer end of the short straight section of this key poke rod is conical.Enter in the process of lock core stirring key, the free end of the short straight section of key poke rod inserts in the key through hole, and the conical design in termination is convenient to insert, and the free end of long and straight section is provided with handle and is convenient to hand and takes, and is easy to use.

Beneficial effect: the utility model is simple in structure, on the basis that does not change original lock structure, has only increased a barrier block, makes lawless people, and not easy-to-use unlocking tool is illegally opened lockset; Also can not increase what cost, very practicality and utilization are extensively; Supporting key and the key poke rod of having designed of while, it is very convenient to open lockset normally, also can be not influenced.

Description of drawings

Fig. 1 is the structural representation of the utility model anti-theft safety lock;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is the structural representation of the utility model key;

Fig. 4 is the structural representation of the utility model key poke rod.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples:

As shown in Figure 1 and Figure 2, a kind of anti-theft safety lock of the utility model comprises lock 1, and fixed-link has barrier block 2 on the end face at described lock 1 keyhole 1a place, this barrier block 2 has breach 2a over against the position of keyhole 1a, this breach 2a and keyhole 1a over against inwall have groove 2b.Design further groove 2b front side wall is wide, and rear wall is narrow, and is wide at the top and narrow at the bottom between the two side.

As shown in Figure 3, a kind of key that matches with anti-theft safety lock comprises key 3, and described key 3 upper, middle and lower portions all have through hole 3b.

As shown in Figure 4, a kind of key poke rod that matches with key, described key poke rod 4 is L-shaped, and the outer end of these key poke rod 4 long and straight sections is provided with handle, and the outer end of these key poke rod 4 short straight sections be a taper shape.

Operating principle: the groove 2b of barrier block 2 is put in first key 3 lower ends, then key 3 is aimed at the burglary insurance lock keyholes, and the free end of key poke rod 4 being lacked straight sections inserts in the through hole 3b of key 3, key 3 is stirred entered lock core.After key 3 all enters anti-theft safety lock, promote the rotation of key 3 bottoms towards a direction, lockset is opened with finger.

Claims

1, a kind of anti-theft safety lock, comprise lock (1), it is characterized in that: keyhole (1a) the place end face fixed-link of described lock (1) has barrier block (2), this barrier block (2) has breach (2a) over against the position of keyhole (1a), this breach (2a) and keyhole (1a) over against inwall have groove (2b).

2, according to the described anti-theft safety lock of claim 1, it is characterized in that: described groove (2b) front side wall is wide, and rear wall is narrow, and is wide at the top and narrow at the bottom between the two side.

3, a kind of key that matches with the described anti-theft safety lock of claim 1 comprises key (3), it is characterized in that: described key (3) upper, middle and lower portion all has through hole (3b).