CN2297527Y - Three-dimensional safety anti-theft door - Google Patents

Abstract

The utility model relates to a three-direction safety anti-theft door which is an anti-theft door suitable for families and offices of enterprises and institutions, belonging to the class of doors. On the base of a common anti-theft door, an interlocking rod is additionally arranged on the root of the interior of a lock tongue of a main door lock firstly, and then two auxiliary lock tongues are additionally arranged on the upper and the lower ends of the side of the door lock. The interlocking rod is connected with the auxiliary lock tongues by pull ropes. When the main door lock is locked and unlocked, the auxiliary lock tongues do locking and unlocking actions simultaneously. The utility model has the advantages of simple structure, few mechanical parts, small locking and unlocking action force of a key and reliable execution. Besides, the utility model enhances the firmness and the safety coefficient of anti-theft doors.

Description

Three aspect safety anti-theft doors

The utility model three direction safety anti-theft doors are a kind of security doors that are applicable to that family and office of enterprises and institutions use.

Existing security door only is equipped with a safe-guard door lock in the side of door, loads onto dead bolt and accept head on doorframe, and its shortcoming is: at first be only in the locking of reveal face, upper and lowerly still can not lock less robust; Next be the dead bolt of general safe-guard door lock to accept head all be to make with the punching press of book steel plate, be easy to be prized bad, door is opened; The 3rd, because of it can not lock up and down, so when upper/lower terminal was forced open the door, because of the fixed screw of door lock is very thin and delicate, again under the effect of lever force, door was easy to be pried open simultaneously.

The purpose of this utility model is: for soundness and the burglary insurance that increases security door, thereby designed a kind of three simple and reasonable direction safety anti-theft doors, simultaneously door lock has been lived from upper and lower and side.

Implementation method of the present utility model: root installs a gangbar additional in the dead bolt of theftproof lock, this bar stretches out the bonnet of lock and the internal lock frame of security door, be that two stay cords are arranged on this bar, they link to each other with the auxiliary dead bolt of the upper/lower terminal that is contained in the safe-guard door lock side respectively through two pulleys that are contained in the doorframe, again with the corresponding doorframe of auxiliary dead bolt on, open two auxiliary dead bolt receiving holes, open and make auxiliary dead bolt discrepancy at closing time.

The key of the utility model three direction safety anti-theft doors is structurally: it changes security door in the past singly in the mode of side locking, but security door is locked simultaneously from upper and lower and side, has increased the soundness and the safety of security door with this.

Referring to accompanying drawing: Fig. 1 is the structural representation of three direction safety anti-theft doors, the auxiliary dead bolt receiving hole on (1) doorframe, and (2) assist the dead bolt external member, (3) auxiliary dead bolt, (4) rope, (5) pulley, (6) gangbar, (7) groove, the external member on (8) gangbar, (9) primary door latch tongue is accepted head, (10) primary door latch, (11) be hinged (12) doorframe, (13) door.Fig. 2 is common safe-guard door lock schematic diagram, (14) back shroud fixed screw, and (15) back shroud, (16) insurance dead bolt, (17) are dead bolt tiltedly, and (18) outer tapered end, Fig. 3 are the theftproof lock schematic diagrames that has installed gangbar additional.Fig. 4 is the external member schematic diagram on the gangbar, and (19) insert the trepanning of gangbar, (20) stay cord fixing hole.Fig. 5 is the external member schematic diagram of auxiliary dead bolt, (21) fixing hole, and (22) sleeve pipe, (23) cottor pin, (24) stage clip, (25) assist dead bolt support, (26) stay cord fixing hole.

Be further described in conjunction with the accompanying drawings:

The first, Door lock is increased gangbar: safe-guard door lock is shown in Figure 2, generally can be divided into: outer tapered end (18), and internal lock (10) (abbreviating main lock as, down together), it is the partly crucial of lock, dead bolt is accepted head (9).Outer tapered end and dead bolt are accepted head and need do not changed, only need to install gangbar additional main locking, method is: the hold-down screw (14) of at first backing out main lock bonnet, take out back shroud (15), take out the moving component in insurance dead bolt (16) and the dead bolt again, (insurance lock only need take out the insurance dead bolt, and tiltedly dead bolt (17) need not move).Get a suitable steel bar or T type section bar, make gangbar usefulness, it is fixed on the interior root of dead bolt, (weldering or riveting) for the operate as normal of not overslaugh lock, when installing gangbar additional, should try one's best near dead bolt.Then the dead bolt that has gangbar is reloaded in the main lock, again main lock back shroud (15) is opened sulculus with the corresponding position of gangbar, gangbar can be stretched out in back shroud, and gangbar and dead bolt are synchronized with the movement, at last the back shroud that processes is contained in the master again and locks the hold-down screw of screwing on.Arrive this, main lock installs gangbar additional to be finished, shown in Figure 3.

Second step, the upper and lower auxiliary dead bolt external member of manufacturing security door.Get the suitable steel circle of length and diameter, do auxiliary dead bolt (3),, be used for dress interlock pull rope and use in its afterbody boring (26); In the boring of middle and upper part suitable position, be used to adorn cottor pin (23) usefulness of stage clip, like this, auxiliary dead bolt makes.The support of auxiliary dead bolt is made method: get the suitable book plate of length and width (its width is slightly less than the pipe diameter of making security door), the boring of upper and lower position, the hole is slightly larger than the diameter of auxiliary dead bolt, 90 ° of bendings (25) then, get the pipe (22) that length is suitable, internal diameter also is slightly larger than auxiliary dead bolt diameter (, so just using square tube) again if auxiliary dead bolt employing is square steel.With its same end that is welded in support, auxiliary dead bolt support is made.Assemble method is: auxiliary dead bolt (3) and stage clip (suitably) (24) packed in the support, and the cottor pin (23) of inserting stage clip, causing this, upper and lower auxiliary dead bolt external member (2) completes.As shown in Figure 5.(upper and lower auxiliary dead bolt external member is identical).

In the 3rd step, upper and lower auxiliary dead bolt external member is assembled with the interlock of main lock.Fig. 1 is the schematic diagram of three direction safety anti-theft doors: upper and lower auxiliary dead bolt external member (2) homology interlock stay cord (4) the thereon security door master that packs into locks in the lock pipe of side, and fixing auxiliary dead bolt external member support.Open the suitable little openning of length in the doorframe steel pipe inboard of position, main lock section, and in steel pipe, load onto two truckles (5), collude the interlock stay cord in the inside casing interlayer of becoming owner of lock with hook, on the gangbar of main lock, be inserted in fixed sleeve part (8), its shape as shown in Figure 4, (purpose that adds this external member is: the interlock stay cord fixing hole (20) of this external member is with respect to the position of gangbar trepanning (19), can can both change at vertical and horizontal, can fix the position of interlock stay cord on gangbar so better), the interlock stay cord is fixed on the external member of gangbar (directly tie up on the gangbar also can).Outer tapered end (18) is fixed on the position in corresponding main lock-switch hole of the outer cover plate of main lock, then outer cover plate and outer tapered end is contained in door and goes up and weld and fix.On doorframe (12), load onto accept (9) of main dead bolt at last, and at the corresponding position of upper and lower auxiliary dead bolt of upper and lower frame, each bores the receiving hole (1) of a slightly larger in diameter in auxiliary dead bolt, if (, when adorning door so, boring receiving hole on the auxiliary corresponding ground of dead bolt down) without lower door frame, at last, door (13) is connected be hinged (11) with doorframe (12), and a fan three direction safety anti-theft doors are promptly made and are finished, as shown in Figure 1.

The utility model three-dimensional safety anti-theft door has simple in structurely, and mechanical part is few, and is real Execute conveniently, the advantage such as key action power is little during switch gate, and can effectively increase antitheft door Intensity and safety. Being suitable for the places such as family and office of enterprises and institutions is extensive use of.

Claims (1)

1, a kind of three direction safety anti-theft doors comprise theftproof lock, security door, auxiliary dead bolt.It is characterized in that: root adds a gangbar in the dead bolt of theftproof lock, (installing this bar additional is key of the present utility model), this bar stretches out the back shroud of lock and the internal lock frame of security door, an external member is housed on this gangbar, be that two stay cords are arranged on this external member, (stay cord also directly tie up on the gangbar can), two stay cords are through being contained in two pulleys in the doorframe, be connected with the auxiliary dead bolt that is contained in safe-guard door lock side upper/lower terminal respectively, with the corresponding doorframe of auxiliary dead bolt on, open two auxiliary dead bolt receiving holes

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