CN2380666Y - Safety anti-theft door with sleeve spring-lock - Google Patents

Abstract

The utility model relates to a safety theft-proof door with a sleeve pipe spring lock, which comprises a door body. The upper and the lower ends of the door body are provided with spring lock chambers, wherein, the interiors of which are respectively provided with two sleeve pipe type spring locks. Each sleeve pipe type spring lock comprises a left and a right safety spring latches which are arranged in a lock body, and sleeve pipe sliding latches which are sheathed on the left and the right safety spring latches; the interiors of the safety spring latches are provided with springs. Convex columns on both ends of an upper cross rod of a J-shaped latch draw rod are respectively inserted into jacks of a draw rods on the sliding latches of the left and the right sleeve pipes; the J-shaped latch draw rod is provided with a limit groove, and both sides of the draw rod are provided with J-shaped latch keys connected with a lock body shaft; the latch keys are respectively inserted into the jacks on the J-shaped latch keys. The utility model realizes the eight-point locking and the eight-point protection, and the theft-proof performance is improved.

Description

Anti-theft door

The utility model relates to a kind of security door, particularly relates to a kind of security door that adopts sleeve spring-lock to realize safety lock.

Theft protection has become the realistic problem that every household is concerned about, mainly is at present to adopt the way of installing security door to prevent lawless person's burglary of forcing open the door.The security door that market occurs has good theftproof performance, protection user's property is not suffered a loss played good action.But some lawless persons have adopted the way of destroying lock core to open a burglary.The way of destroying lock core is that lock core is taken out, and the inside connecting rod of zip door bolt drives and moves behind the lock bolt and open door.

The purpose of this utility model provides a kind ofly at inside zip door bolt connecting rod or when upwards pushing away the lock bolt connecting rod, all has and penetrates lock and inject in the lock bolt groove on the doorframe anti-theft door that door lock is dead.

The purpose of this utility model adopts following technical proposals to realize, that is:

Anti-theft door, comprise doorframe, the door body, two Men Xinsuo, four sleeve spring-lock and four connecting rods.

The door body is made of shell body and housing cover, is provided with door leaf skeleton in the shell body, and two lock latch jacks are arranged respectively on upper and lower doorframe.Two Men Xinsuo are installed on the last suitable location.Being characterized in the door body that upper and lower end is respectively equipped with penetrates the lock chamber, and each is penetrated, and lock is indoor to be equiped with two sleeve spring-lock respectively, and the T-shaped lock bolt pull bar of each sleeve spring-lock is respectively by the dead bolt connection of connecting rod with corresponding Men Xinsuo.Penetrate the lock room cover plate penetrating to be provided with on the lock chamber, sleeve spring-lock to be encapsulated in to penetrate lock indoor.

Sleeve spring-lock comprises that door bolt is penetrated in lock body, left outer tube sliding latch, right outer tube sliding latch, left side insurance, door bolt, T-shaped lock bolt pull bar and two T-shaped door bolt keys are penetrated in right insurance.Lock body is connected and composed by screw by procapsid and back casing.There are left outer tube through hole and right outer tube through hole in the upper end of lock body.Have at lock body lower end middle part that the lock groove is penetrated in T-shaped lock bolt pull bar through hole and left side insurance, the lock groove is penetrated in right insurance.

The inboard of left side outer tube sliding latch and right outer tube sliding latch has the pull bar jack respectively.Left and right insurance is penetrated spring housing respectively in the door bolt, spring is housed respectively in the spring housing.Penetrate the door bolt lower inside in left and right insurance T-shaped door bolt key jack is arranged respectively.

The cross tube two ends of T-shaped lock bolt pull bar have projection respectively, and location lock chute is arranged on the vertical bar of T-shaped lock bolt pull bar, and its both sides have upper limit position groove and lower limit groove respectively.

Left and right outer tube sliding latch is set in the top that door bolt is penetrated in left and right insurance, left and right outer tube sliding latch inserts the left and right outer tube through hole of lock body upper end respectively, and in extended or the indentation lock housing body, the lower end that door bolt is penetrated in left and right insurance is inserted left and right insurance respectively and is penetrated in the lock groove.T-shaped lock bolt pull bar is arranged in the lock body, and the projection at its cross bar two ends, upper end inserts respectively in the pull bar jack of left and right outer tube inboard, and stretch out outside the lock body from the T-shaped lock bolt pull bar through hole of lock body lower end the lower end of T-shaped lock bolt pull bar.Be fixed with alignment pin on the rear shell of lock body of lock body, alignment pin is positioned at the alignment pin chute on the T-shaped lock bolt pull bar.Two T-shaped door bolt keys are separately positioned on the both sides of T-shaped lock bolt pull bar, and connect with the back cover axon respectively.The left end insertion left side insurance of the T-shaped in left side door bolt key is under normal circumstances penetrated in the T-shaped door bolt key jack of door bolt, and the right insurance of right-hand member insertion of the T-shaped door bolt key on right side is penetrated in the T-shaped door bolt key jack of door bolt.Under improper situation, the T-shaped of left and right side door bolt key can insert under the torsion spring effect in the upper limit position groove or lower limit groove of vertical bar both sides of T-shaped lock bolt pull bar.Torsion spring one end is fixed on the T-shaped door bolt key, and the other end is fixed on the lock body.

In order to protect connecting rod, connecting rod is encapsulated in the metal tube, and metal tube can be a part that is fixed on the door leaf skeleton in the body.

This security door is installed in user Men Shanghou, in case the burglar opens security door with the way of making a mess of lock core, inwardly draw or to the extrapolation connecting rod, this moment connecting rod drive just that T-shaped lock bolt connecting rod moves down or on move, one ends of two corresponding T-shaped lock bolt connecting rods of T-shaped door bolt key are entered or in the lower limit groove under the effect of torsion spring respectively, thereby leave a left side respectively, the inboard left side of door bolt is penetrated in right insurance, the lock groove is penetrated in right insurance, meanwhile, a left side, right insurance is penetrated to be locked under the spring action and is upwards penetrated, enter on the doorframe in the corresponding with it lock latch jack that door lock is dead, make the burglar can't open security door, guaranteed user security.

The utility model novel structure has been realized 8 lockings and 8 insurances.The utility model is not only applicable to family and uses, and can be installed in places such as arsenal, market, warehouse.

Fig. 1 is a kind of example structure schematic diagram of the present utility model, and Fig. 2 is the sleeve spring-lock structural representation.The utility model is described in further detail below in conjunction with accompanying drawing.

Anti-theft door comprises doorframe 1, door body, Men Xinsuo 2, Men Xinsuo 3.

The door body is made up of shell body 6 and housing cover 7, and housing cover 7 is connected with shell body 6 solid weldings.Be fixed with door leaf skeleton 8 in shell body 6, door leaf skeleton 8 is a metal tube.Lock chamber 9 is penetrated in upper end in shell body 6, lock chamber 10 is penetrated in the lower end.In penetrating lock chamber 9, be equiped with sleeve spring-lock 11 and 12, in penetrating lock chamber 10, be equiped with sleeve spring-lock 13 and 14.Sleeve spring-lock 11,13 is connected with following dead bolt 18 with the upper lock tongue 17 of Men Xinsuo 2 by connecting rod 15,16 respectively.Sleeve spring- lock 12,14 is connected with following dead bolt 22 with the upper lock tongue 21 of Men Xinsuo 3 with 20 by connecting rod 19 respectively.Connecting rod 15,16,19,20 is separately positioned in pillar 23,24,25 and 26, is fixed with cover plate 27 respectively penetrating lock chamber 9 and penetrate on the lock chamber 10.

Sleeve spring-lock comprises lock body, outer tube sliding latch 29 and 30, insures and penetrate door bolt 31 and 32, T-shaped lock bolt pull bar 33, T-shaped door bolt key 34 and 35.Lock body is connected and composed by screw by procapsid and back casing.There is outer tube through hole 38,39 the lock body upper end, and middle part, lock body lower end has T-shaped lock bolt pull bar through hole 40 and insurance to penetrate door bolt groove 41 and 42.Outer tube sliding latch 29 and 30 inboard have pull bar jack 43 and 44 respectively.Insurance is penetrated in the door bolt 31 and 32 spring housing 45 and 46 respectively, be equiped with spring 47 and 48 in the spring housing 45 and 46 respectively, the lower inside that door bolt 31 and 32 is penetrated in insurance has door bolt key jack 49 and 50 respectively, and alignment pin chute 51 and stopper slot 52,53,54,55 are arranged on the T-shaped lock bolt pull bar 33.The two ends of the cross tube of T-shaped lock bolt pull bar 33 have projection 56 respectively.

Outer tube sliding latch 29,30, being set with insures penetrate door bolt 31 and 32 after, insert respectively in outer tube through hole 38 and 39 its upper end, insurance is penetrated door bolt 31,32 lower ends and is then inserted insurance respectively and penetrate in the door bolt groove 41,42.The two ends projection 56 of T-shaped lock bolt pull bar 33 inserts respectively in the pull bar jack 43 and 44 on the outer tube sliding latch 29,30, and stretch out outside the lock body from T-shaped lock bolt pull bar through hole 40 lower end of T-shaped lock bolt pull bar 33.Insert alignment pin 28 in alignment pin chute 51, the lower end of alignment pin 28 is fixed on the lock body.T-shaped door bolt key 34,35 is set on the axle 36,37, the lower end of axle 36,37 is separately fixed on the lock body, an end of penetrating door bolt by insurance of T-shaped door bolt key 34,35 inserts respectively in the door bolt key jack 49 and 50 that two insurances penetrate door bolt, the T-shaped other end of fastening key 34 with a bolt or latch replace on the T-shaped lock bolt pull bar on the position between the stopper slot 52,53; The other end of T-shaped door bolt key 35 is replaced on T-shaped lock bolt pull bar on the position between stopper slot 54 and 55.Be respectively installed with torsion spring 4 and 5 on axle 36 and 37, an end of torsion spring 4 is fixed on T-shaped door bolt key 34, and its other end is fixed on the lock body.One end of torsion spring 5 is fixed on the T-shaped door bolt key 35, and its other end is fixed on the lock body.

Claims (2)

1, anti-theft door comprises doorframe (1), door body, Men Xinsuo (2), Men Xinsuo (3); The door body is made up of shell body (6) and housing cover (7), and housing cover (7) is connected with shell body (6) solid welding, is fixed with door leaf skeleton (8) in shell body (6), it is characterized in that:

Lock chamber (9) is penetrated in the upper end in the A, shell body (6), lock chamber (10) is penetrated in the lower end, is fixed with alignment pin (28) on shell body (6), is equiped with sleeve spring-lock (11), (12), (13), (14) respectively penetrating lock chamber (9) and penetrate to lock in the chamber (10); Sleeve spring-lock (11), (13) are connected with following dead bolt (18) with the upper lock tongue (17) of Men Xinsuo (2) by connecting rod (15), (16) respectively, sleeve spring-lock (12), (14) are connected with following dead bolt (22) with the upper lock tongue (21) of Men Xinsuo (3) by connecting rod (19), (20) respectively, are fixed with cover plate (27) respectively penetrating to lock on the chamber (9) and (10);

B, sleeve spring-lock comprise that door bolt (31) is penetrated in lock body, outer tube sliding latch (29), (30), insurance and (32), T-shaped lock bolt pull bar (33), T-shaped are fastened key (34) and (35) with a bolt or latch; There are outer tube through hole (38) and (39) in the lock body upper end, middle part, lock body lower end has T-shaped lock bolt pull bar through hole (40) and insurance to penetrate door bolt groove (41) and (42), on the lock housing body, be fixed with alignment pin (28), the inboard of outer tube sliding latch (29) and (30) has pull bar jack (43) and (44) respectively, insurance is penetrated spring housing (45) and (46) respectively in door bolt (31) and (32), be equiped with spring (47) and (48) in spring housing (45) and (46) respectively, the lower inside that door bolt (31) and (32) are penetrated in insurance has door bolt key jack (49) and (50) respectively, on the T-shaped lock bolt pull bar (33) alignment pin chute (51) and stopper slot (52) are arranged, (53), (54), (55), the two ends of the cross tube of T-shaped lock bolt pull bar (33) have projection (56) respectively, outer tube sliding latch (29), (30), being set with insures penetrate door bolt (31) and (32) after, insert respectively in outer tube through hole (38) and (39) its upper end, and door bolt (31) is penetrated in insurance, (32) lower end is then inserted insurance respectively and is penetrated door bolt groove (41), (42) in, the two ends projection (56) of T-shaped lock bolt pull bar (33), insert outer tube sliding latch (29) respectively, (30) in the pull bar jack (43) and (44) on, stretch out outside the lock body from T-shaped lock bolt pull bar through hole (40) lower end of T-shaped lock bolt pull bar (33), alignment pin (28) passes alignment pin chute (51), T-shaped door bolt key (34), (35) be set in axle (36), (37) on, axle (36), (37) lower end is separately fixed on the lock body, T-shaped door bolt key (34), (35) a end of penetrating door bolt by insurance inserts respectively in the door bolt key jack (49) and (50) that two insurances penetrate door bolt, and the other end of T-shaped door bolt key is replaced and be positioned at stopper slot (52) on T-shaped lock bolt pull bar, (53) on the position between; The other end of T-shaped door bolt key (35) is replaced on the position that is positioned on the T-shaped lock bolt pull bar between stopper slot (54) and (55), on axle (36) and (37), be respectively installed with torsion spring (4) and (5), one end of torsion spring (4) is fixed on the T-shaped door bolt key (34), its other end is fixed on the lock body, one end of torsion spring (5) is fixed on the T-shaped door bolt key (35), and its other end is fixed on the lock body.

2, anti-theft door according to claim 1 is characterized in that connecting rod (15), (16), (19), (20), is separately positioned in pillar (23), (24), (25) and (26).

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