CN201406914Y

CN201406914Y - Steel sheet lock

Info

Publication number: CN201406914Y
Application number: CN2009201188169U
Authority: CN
Inventors: 吴炯伟
Original assignee: TONGXIANG SKYFINE HARDWARE CO Ltd
Current assignee: TONGXIANG SKYFINE HARDWARE CO Ltd
Priority date: 2009-04-30
Filing date: 2009-04-30
Publication date: 2010-02-17
Anticipated expiration: 2019-04-30

Abstract

The utility model relates to a steel sheet lock which comprises a lock body and a shackle, wherein the lock body is formed by the superposition of metal sheets, a rear foot of the shackle is fixed onone side of the lock body, a rotary cam is arranged on the upper end surface of a lock core, arc-shaped inwardly concave curve surfaces are symmetrically arranged on the outer side surface of the cam,and a night lock tongue is arranged in the position where a front foot of the shackle is parallel to the cam. The steel sheet lock is characterized in that a night lock tongue is arranged in the position where the rear foot of the shackle is parallel to the cam, clamping slots are formed on the front foot and the rear foot of the shackle respectively, and the sizes and positions of the clamping slots are matched with the night lock tongues. The utility model enhances the shearing strength of the lock tongue and provides the steel sheet lock with shock, cutting, collision, torsion and sawing resistances.

Description

A kind of steel disc lock

Technical field

The utility model belongs to the technical field that mechanical lock is made, and is specifically related to a kind of by the superimposed steel disc lock that forms of sheet metal.

Background technology

The lock body of commercially available steel disc lockset is formed by the metal material casting usually, then at interior lock core, dead bolt and the lock bridge of being provided with, the dead bolt of the lockset of this structure is hit at lock body and to be damaged easily in striking, lock bridge and lock body also are sheared or sawing easily, and the anti-poor-performing that pulls out of lock core.

Chinese patent CN2362998Y discloses a kind of laminated padlock with tension, shock resistance dead bolt, comprise a lock body that forms by some formation of lots sheet metals stack riveteds, be contained in lock bridge on the lock body, be contained in a pair of dead bolt in the lock body of lock bridge bottom and be loaded on the lock core composite member of dead bolt bottom, a plane of constraint is arranged at above-mentioned dead bolt front end bottom, an inclined-plane is arranged at plane of constraint top, both sides, described inclined-plane are provided with two and raise up to the sidewall at top, inclined-plane, and two side end face and sloped roof facial planes form a horseshoe clamp face.

Summary of the invention

The purpose of this utility model is in order to solve the deficiency of technique scheme, provide a kind of have anti-ly strike, anti-ly cut, anti-ly collide, anti-ly turn round, the steel disc lockset of anti-saw function.

The technical scheme that the utility model adopted is:

A kind of steel disc lock, comprise lock body and lock bridge, lock body forms by sheet metal is superimposed, the lock bridge rear foot is fixed in lock body one side, and the lock core upper surface is provided with a rotatable cam, and the cam lateral surface is symmetrical arranged the arc shape inner sunken face, the lock bridge forward foot in a step is established a pellet shot from a slingshot dead bolt between parallel place with cam, it is characterized in that establishing a pellet shot from a slingshot dead bolt between the parallel place with cam of the lock bridge rear foot, the lock bridge forward foot in a step and the rear foot are provided with draw-in groove, match with the pellet shot from a slingshot dead bolt in the size of draw-in groove and position.

Described arc-shaped cam end face is rabbeted a torsion spring, and the cam lower surface is provided with groove, and groove links to each other with the lock core foot on lock core top.

Described pellet shot from a slingshot dead bolt is a spherical steel ball that matches with cam.

More detailed description of the present utility model is as follows:

A kind of steel disc lock, comprise lock body and lock bridge, lock body forms by sheet metal is superimposed, the lock bridge rear foot is fixed in lock body one side by latch, the lock core upper surface is provided with a rotatable cam, the cam lateral surface is symmetrical arranged the arc shape inner sunken face, the lock bridge forward foot in a step is established a pellet shot from a slingshot dead bolt between parallel place with cam, the parallel place with cam of the lock bridge rear foot establishes a pellet shot from a slingshot dead bolt with the time, the lock bridge forward foot in a step and the rear foot are provided with draw-in groove, match with the pellet shot from a slingshot dead bolt in the size of draw-in groove and position, when the steel disc lock is in opening, the lockset key inserts the rotation of lock core rotating band moving cam, and the pellet shot from a slingshot dead bolt is pushed into the inner sunken face of cam lateral surface.

Be provided with a metal coating sheet in the egative film of the key spigot of described lock body, egative film is established a key guide hole, and egative film key socket adopts fan-shaped design, can improve the anti-performance of striking of lock core.

But lock body outsourcing one deck kirsite lock core cover.

The curved column of described cam, contain two symmetrically arranged inner sunken faces, the cam bottom is provided with the bottom surface that is complementary with lock core foot, top is provided with groove, be embedded the torsion spring of a pagoda shape in the groove, the torsion spring pin inserts in the lock body sheet metal, and lock core rotates and causes torsion spring flexible, produce a lasting moment of torsion, make cam remain in lock-out state.

Lock when locked when steel disc, the lock bridge forward foot in a step is inserted in the lock body opening, and the lock bridge rear foot is descending, simultaneously, cam is under the effect of torsion spring, and the inner sunken face during from opening turns to outside convex surface, the pellet shot from a slingshot dead bolt is pressed against the lockhole side, and the pellet shot from a slingshot dead bolt is by the draw-in groove clamping of pin before and after cam outside convex surface and the lock bridge.

Steel disc lock lock body, lock bridge are formed by the steel material riveted that reaches HR15N86-91 through heat treatment.

The lockset that the utility model provides adopts the pellet shot from a slingshot dead bolt, and the lock bridge rear foot can be established stage clip, and chain can eject lock body automatically when lock was opened, and does not need the key can be sealed during locking, and is convenient and practical; Simultaneously, adopt the structure of cam and pellet shot from a slingshot dead bolt,, strengthened the intensity of dead bolt structure effectively, further improved the anti-performance of striking of lockset with the phase-locked ratio of general steel disc.

Lockset lock body that the utility model provides and beam can cooperate be covered by engineering plastics, and be elegant in appearance and improved the corrosion resistance of lockset, and described lock bridge also can be chain or other locking pieces that can match with cam that replaces with band T font step.

The steel disc lock that the utility model provides, tension test, vibration test, lock bridge cutting test, plug tensile test, plug torsional test, sawing test and the test of steel disc lock impact force by routine all meet U.S. lockset test stone ASTM F-2369-04.

Compared with prior art, the technical scheme that provides of the utility model has improved the anti-performance of striking of lockset by the qualification of cam, pellet shot from a slingshot dead bolt and slot of the locked beam relative position; Adopt pellet shot from a slingshot dead bolt and bullet spring assembly, lock bridge can eject lock body automatically when lock was opened, and did not need the key can be sealed during locking, and is convenient and practical; Heat treatment by lock body, lock bridge has improved lockset anti-ly cuts, anti-saw performance; Improved the anti-collision performance of lockset by the lamination riveted of metal steel disc; By the setting of draw-in groove on the lock bridge, improved the anti-performance of turning round of lockset; The outer zinc covering alloy lock core of lock body overlaps and engineering plastics, has improved the corrosion resistance of lockset.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment 1.

Fig. 2 is a cam structure schematic diagram one.

Fig. 3 is a tool cam structure schematic diagram two.

Fig. 4 is a torsion spring positional structure schematic diagram.

Wherein: lock body 10, steel disc 11, locking bolt 13, locking bolt hole 14, latch 15, lock bridge 20, the lock bridge rear foot 24, the lock bridge forward foot in a step 25, draw-in groove 26, draw-in groove 27, lock core 30, lock core foot 31, stage clip 40, cam 50, cam bottom surface 51, groove 52, inner sunken face 53, arc convex 54, groove 55, pellet shot from a slingshot dead bolt 60, key 70, torsion spring 80, torsion spring fixing feet 81, torsion spring pin 82.

The specific embodiment

The utility model will be further described below in conjunction with accompanying drawing.

Embodiment 1:

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, band chain steel disc lock comprises lock body 10 and lock bridge 20, and lock body 10 is formed by stacking by the cold rolling steel disc 11 that is provided with locking bolt hole 14, by locking bolt 13 riveted joints, the lock bridge rear foot 24 lower ends are provided with stage clip 40, are fixed in the lock body 10 the lock bridge forward foot in a step 25, be provided with a rotatable cam 50 in lock core 30 upper ends, cam 50 lateral surfaces are symmetrical arranged arc shape inner sunken face 53, and arc-shaped cam 50 is parallel with the lock bridge rear foot 24 with the lock bridge forward foot in a step 25, all establish a pellet shot from a slingshot dead bolt 60 therebetween.

Described cam 50 curved columns, contain two symmetrically arranged inner sunken faces 53, cam 50 bottoms are provided with the bottom surface 52 that is complementary with lock core foot 31, and bottom surface 52 is provided with the groove 55 that cooperates with lock core foot 31, lock core foot 31 inserts in the groove 55, drives cam 50 and rotates; Cam 50 end faces are provided with groove 52, are embedded the torsion spring 80 of a pagoda shape in the groove 52, and torsion spring pin 82 cooperates with groove 52, torsion spring fixing feet 81 is inserted in the lock body sheet metal 11, lock core 30 rotates and causes torsion spring 80 flexible, produces a lasting moment of torsion, makes cam 50 remain in lock-out state.

When the steel disc lock was in opening, lockset key 70 inserted 50 rotations of lock core 30 rotating band moving cams, and pellet shot from a slingshot dead bolt 60 is pushed into the inner sunken face 53 of cam 50 lateral surfaces, at this moment, stage clip 40 is in stretching, extension, and it is up to promote lock bridge 20, blocks the lock bridge rear foot 24 by latch 15.

When steel disc is locked when locked, the lock bridge forward foot in a step 25 is inserted in the lock body opening, simultaneously, cam 50 is under the effect of torsion spring 80, inner sunken face 53 during from opening turns to outside convex surface 54, pellet shot from a slingshot dead bolt 60 is pressed against the lockhole side, and pellet shot from a slingshot dead bolt 60 is by cam 50 outside convex surfaces 54 and the lock bridge forward foot in a step 25, the draw-in groove 26 of the lock bridge rear foot 24, draw-in groove 27 clampings.

Lock body 10 is formed by the steel material riveted that reaches HR15N86-91 through heat treatment.

Should be noted that identical and different steel disc lock on the representation language all should be thought on any practical structures falls into protection domain of the present utility model.

Claims

1, a kind of steel disc lock, comprise lock body and lock bridge, lock body forms by sheet metal is superimposed, the lock bridge rear foot is fixed in lock body one side, and the lock core upper surface is provided with a rotatable cam, and the cam lateral surface is symmetrical arranged the arc shape inner sunken face, the lock bridge forward foot in a step is established a pellet shot from a slingshot dead bolt between parallel place with cam, it is characterized in that establishing a pellet shot from a slingshot dead bolt between the parallel place with cam of the lock bridge rear foot, the lock bridge forward foot in a step and the rear foot are provided with draw-in groove, match with the pellet shot from a slingshot dead bolt in the size of draw-in groove and position.

2, steel disc as claimed in claim 1 lock is characterized in that described arc-shaped cam end face rabbets a torsion spring, and the cam lower surface is provided with groove, and groove links to each other with the lock core foot on lock core top.

3, steel disc lock as claimed in claim 1 is characterized in that described pellet shot from a slingshot dead bolt is a spherical steel ball that matches with cam.