CN203640424U

CN203640424U - Twist preventing safety lock cylinder

Info

Publication number: CN203640424U
Application number: CN201320662229.2U
Authority: CN
Inventors: 郑力仁; 程辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-10-25
Filing date: 2013-10-25
Publication date: 2014-06-11
Anticipated expiration: 2023-10-25

Abstract

The utility model discloses a twist preventing safety lock cylinder. The lock cylinder comprises a lock cylinder inner core and a lock cylinder body, wherein a plurality of rows of pin tumbler holes communicated with one another are formed in the lock cylinder inner core and the lock cylinder body; the lock cylinder further comprises a lower pin tumbler in the pin tumbler holes in the lock cylinder inner core, a door sealing pin tumbler at the top of the pin tumbler hole of the lock cylinder body, a spring below the door sealing pin tumbler, an upper pin tumbler in the pin tumbler holes of the lock cylinder body at opened state of the lock cylinder, a toggle piece for opening a bolt, an inner rotating piece connected with the lock cylinder inner core and driving the toggle piece, and a key hole; the lock cylinder is characterized in that at least one twist preventing groove is vertically formed in the lock cylinder body; a strengthening piece is installed in the middle of the lock cylinder body; the strengthening piece adopts an integral structure which is formed by performing one-step bending machining molding to a metal sheet; the vertical section of the strengthening piece adopts a U-shaped structure; two sides of the strengthening piece are fixed to the outer wall of the lock cylinder body. The lock cylinder prevents a torsion wrench from performing violent unlocking through the twist preventing groove, prevents secondary violent unlocking by improving the strength of the lock cylinder body through the strengthening piece, has a simple structure, and is convenient to manufacture.

Description

A kind of anti-safe lock cylinder of twisting

Technical field

The utility model relates to field of lockset, specifically refers to a kind of anti-safe lock cylinder of twisting.

Background technology

Popular illegal method for unlocking is a lot of in the world now: hit that spoon (English is Bump Lock) is unblanked, drill bit is unblanked, pull out that zip core is unblanked, picklock is unblanked etc.And anti-illegal unlocking technique is also a variety of along with having occurred: prizing-proof lock core, Anti-drilling lockwork, anti-lock core, anti-twistlock core (anti-snap), the anti-bump key lock core (anti-bump) etc. of pulling out.

In actual life, some robbers adopt the means that violence is unblanked to implement theft, they entangle lock core head or clamp lock core head with locking pliers with special socket bar, then firmly pull up and down or firmly pull left and right, make the middle part fracture of lock core, thereby damage lock cored structure and lock is opened, it is helpless that existing lock core is unblanked for such violence, and therefore its structure is further improved.The lock core that violence is unblanked is in this way twisted into two parts at the middle part of lock core position of mounting hole often, therefore the intensity at lock core middle part and particularly crucial.

Summary of the invention

The object of the utility model is to make up above-mentioned deficiency, to society disclose a kind of simple in structure, easy to make, with low cost, can effectively prevent the anti-safe lock cylinder of twisting that violence unblanks.

The technical solution of the utility model is achieved in that

A kind of anti-safe lock cylinder of twisting, comprise lock core inner core, lock core body, the ordered series of numbers marble hole in a row that in lock core inner core and lock core body, phase earthing is arranging, the lower pellet in lock core in in-core marble hole, the pellet of sealing up a door at lock core body marble hole top, the spring of sealing up a door under pellet, the upper pellet in lock core body marble hole when lock core open mode, the shifting part of unlock deadbolt, be connected on lock core inner core, drive shifting part in turn part, keyhole; It is characterized in that: at least one anti-groove of twisting is vertically set on described lock core body, the middle part of described lock core body is provided with girth member, described girth member is the overall structure of a bending process moulding of sheet metal, the longitudinal section of the described girth member structure that takes the shape of the letter U, the both sides of this girth member and the outer wall of described lock core body fix.

Described anti-number of twisting groove is two, comprises the first anti-groove and the second anti-groove of twisting of twisting, and the first described anti-groove of twisting is arranged at the 3rd marble hole place from left to right, and described the second anti-groove of twisting is arranged at from left to right between the 4th marble hole and the 5th marble hole.

On four angles of described girth member, offer respectively screw hole.

The inner surface of described girth member is close to mutually with the outer wall of described lock core body, and fixes by screw.

The utility model advantage is compared with prior art:

A kind of anti-safe lock cylinder of twisting of the utility model prevents that by vertically offer the anti-groove of twisting on lock core body carrying out violence with torsion pincers or special socket bar unblanks, and strengthen the intensity in the middle part of core body by girth member being installed at core body middle part, girth member is by the overall structure of a bending process moulding of sheet metal, machine-shaping is convenient, cheap for manufacturing cost.

Safety lock core arranges at least one anti-groove of twisting, in the time having people to unblank with these violent tools, due to anti-effect of twisting groove, lock core can be in the fracture of the screw hole position at lock core middle part, but can be twisted off because of External Force Acting at the first anti-lock core body of twisting groove front portion, due to the first anti-partition effect of twisting groove, the first anti-lock core body of twisting groove rear portion will can not be damaged, structure in the such first anti-lock core body of twisting groove rear portion is by the function of still can bringing into normal play, and lock is opened not yet.So just ensure safety.

Unblank if burglar then continues to adopt torsion pincers and special socket bar to implement violence, lock core body can anti-ly be twisted the fracture of groove place second like this, but pellet in the 5th marble hole and the 6th marble hole still can play locking effect, locks or can not be opened.If rethink and continue such violence and unblank, due to the two-section that broken above, very short cause of lock core rear end, then with torsion pincers or special socket bar be obviously dying.Burglar can only use hard nail, and according to lever principle, the shorter active force of moment is less, and has girth member that lock core body middle part intensity is strengthened greatly, finally still can guarantee the safety of lock core.

Brief description of the drawings

Fig. 1 is Facad structure schematic diagram of the present utility model (section);

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

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

Fig. 4 is the top view of Fig. 3;

Fig. 5 is the structural representation of fixture in Fig. 1;

Fig. 6 is the left view of Fig. 5.

Detailed description of the invention

In the utility model accompanying drawing, the title of each Reference numeral is:

Lock core inner core 1, lower pellet 2, upper pellet 3, spring 4, the pellet 5 of sealing up a door, lock core body 6, keyhole 7, key 8, girth member 9, screw hole 9a, screw 91, in turn part 11, shifting part 12, the first anti-groove 13, the second anti-groove 14, installing hole 15 of twisting of twisting.

Below in conjunction with accompanying drawing, the utility model is described in further detail:

As shown in Figures 1 to 6:

A kind of anti-safe lock cylinder of twisting, comprise lock core inner core 1, lock core body 6, the ordered series of numbers marble hole in a row that in lock core inner core and lock core body, phase earthing is arranging, the lower pellet 2 in lock core in in-core marble hole, the pellet 5 of sealing up a door at lock core body marble hole top, the spring 4 of sealing up a door under pellet, the upper pellet 3 in lock core body marble hole when lock core open mode, the shifting part 12 of unlock deadbolt, be connected on lock core inner core, drive shifting part 12 in turn part 11, keyhole 7; It is characterized in that: on described lock core body 6, be vertically provided with the anti-groove of twisting, the middle part of described lock core body 6 is provided with girth member 9, described girth member 9 is the overall structure of a bending process moulding of sheet metal, the longitudinal section of described girth member 9 structure that takes the shape of the letter U, the outer wall of the both sides of this girth member 9 and described lock core body 6 fixes.

Girth member 9 is by a bending process moulding of sheet metal, and machine-shaping is more prone to, and processing cost is cheaper; The sheet metal that machining is used, through Overheating Treatment, makes the intensity of girth member 9 better.

Described anti-number of twisting groove is two, comprises the first anti-groove 13 and the second anti-groove 14 of twisting of twisting, and the first described anti-groove 13 of twisting is arranged at the 3rd marble hole place from left to right, and this first anti-bottom milling of twisting groove 13 is worn the outer wall of lock core body 6 and formed opening; The described second anti-groove 14 of twisting is arranged at from left to right between the 4th marble hole and the 5th marble hole, this second anti-twist groove 14 only on the outer wall of lock core body 6 milling become a cannelure and the outer wall of lock core body 6 is worn in not milling.

On four angles of described girth member 9, offer respectively screw hole 9a.

The inner surface of described girth member 9 is close to mutually with the outer wall of described lock core body 6, and fixes by screw 91.

Girth member 9 the lifting surface area that has increased core body 6 middle parts is set, thereby strengthened the intensity at core body 6 middle parts, protected part the weakest in core body 6.

When the utility model is installed, lock core is provided with to anti-of twisting groove and is placed in outer side of door, with key 8 from can normally unblanking outdoors.When girth member 9 is installed, by the U-shaped structure of girth member 9 middle part that Open Side Down inserts lock core body 6, the inner surface of girth member 9 is close to mutually with the outer wall of lock core body 6, then girth member 9 is fixed on lock core body 6 outer walls through 9 four angles of girth member hole 9a that tightens up a screw by screw 91.

Robber, in the time adopting torsion pincers or special socket bar violence to unblank, clamps lock core head by torsion pincers or special socket bar, then exerts oneself toward left and right or pulls up and down, makes the middle part fracture of lock core, and fracture position is roughly just near installing hole 15, safe lock cylinder of the present utility model is vertically offered the first anti-groove 13 and the second anti-groove 14 of twisting of twisting on lock core body 6, the first anti-groove 13 of twisting is arranged at the 3rd marble hole place from left to right, the second anti-groove 14 of twisting is arranged at from left to right between the 4th marble hole and the 5th marble hole, in the time having robber to unblank with locking pliers or special socket bar violence, can rupture because of External Force Acting in the front portion of lock core body 6, due to the first anti-partition effect of twisting groove 13, the rear portion of lock core body 6 will can not be damaged, pellet in remaining three row's marble holes still can normally be worked, stop the effect of opening the door thereby play, unblank with torsion pincers or special socket bar if continued, the second anti-groove 14 of twisting can play partition effect equally, between the 4th marble hole and the 5th marble hole, rupture, and pellet in the 5th marble hole and the 6th marble hole below still can normally be worked, play the effect of opening the door that stops.

When robber unblanks in violence, while running into the situation of this local fracture, continuing sometimes secondary violence unblanks, they can be toward a hard nail of lock core the inside wedging, then beat nail afterbody toward side with hammer, remaining lock core body 6 is ruptured at middle part installing hole 15 places, thereby reach the object of destroying and unblanking; Safe lock cylinder of the present utility model has been installed girth member 9 at lock core body 6 middle parts, has increased the lifting surface area at lock core body 6 middle parts, has strengthened the intensity at lock core body 6 middle parts, can effectively prevent that secondary violence from unblanking.

Claims

1. the anti-safe lock cylinder of twisting, comprise lock core inner core (1), lock core body (6), the ordered series of numbers marble hole in a row that in lock core inner core and lock core body, phase earthing is arranging, lower pellet (2) in lock core in in-core marble hole, the pellet of sealing up a door (5) at lock core body marble hole top, the spring (4) of sealing up a door under pellet, upper pellet (3) in lock core body marble hole when lock core open mode, the shifting part (12) of unlock deadbolt, be connected on lock core inner core, drive shifting part (12) in turn part (11), keyhole (7); It is characterized in that: at least one anti-groove of twisting is vertically set on described lock core body (6), the middle part of described lock core body (6) is provided with girth member (9), described girth member (9) is the overall structure of a bending process moulding of sheet metal, the longitudinal section of described girth member (9) structure that takes the shape of the letter U, the outer wall of the both sides of this girth member (9) and described lock core body (6) fixes.

2. the anti-safe lock cylinder of twisting of one according to claim 1, it is characterized in that: described anti-number of twisting groove is two, comprise the first anti-groove (13) and the second anti-groove (14) of twisting of twisting, the described first anti-groove (13) of twisting is arranged at the 3rd marble hole place from left to right, and described the second anti-groove (14) of twisting is arranged at from left to right between the 4th marble hole and the 5th marble hole.

3. the anti-safe lock cylinder of twisting of one according to claim 2, is characterized in that: on four angles of described girth member (9), offer respectively screw hole (9a).

4. the anti-safe lock cylinder of twisting of one according to claim 3, is characterized in that: the inner surface of described girth member (9) is close to mutually with the outer wall of described lock core body (6), and fixes by screw (91).