CN2616643Y

CN2616643Y - Antitheft door

Info

Publication number: CN2616643Y
Application number: CN 03224205
Authority: CN
Inventors: 区成发
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-03-11
Filing date: 2003-03-11
Publication date: 2004-05-19
Anticipated expiration: 2013-03-11

Abstract

The utility model relates to an improved burglarproof door, which mends the weak point of the ordinary burglarproof door, and improves the safety performance of the burglarproof door. The utility model is characterized in that: firstly, in the lock hole on the door leaf for arranging the lock core, a prize-proof lock core sleeve made of stainless steel is welded in the door leaf, which is and then the lock core of the dual flap lock is connected with the prize-proof lock core sleeve on the inner face of the door leaf by a bolt to protect the lock core; secondly, a latch unit is arranged under the dual flap lock on the inner face of the door leaf to improve the reliability of burglarproof and prize-proof; a eccentric bearing drive opening device is used to take place of the prior gear drive opening unit to open the latch, which means a eccentric wheel is connected with the bearing arranged on the front end of the latch by an adjusting rod to drive the latch moving back and forth to open or close the door leaf. The utility model has the advantages of reasonable construction, improved burglarproof and prize-proof performances, safety and reliability and convenient operation, and can be used in residence, factory storehouse, office building, bank treasury and other places.

Description

Security door

One, technical field

The utility model relates to a kind of improved security door, particularly a kind of security door that is used for places such as home dwelling, factory position warehouse, office building and bank vault.

Two, background technology

It is luxurious that present employed common security door is paid attention to the appearance decoration mostly, but still owe thoughtful for considering on the anti-theft feature, so that the theftproof performance of this class security door is had a greatly reduced quality, do not play safety, protective action preferably.For example; existing security door is for the mouth of repairing of lock gall; all adopt the foil lock gall cap seal that only plays decoration function to live; this is normal the weakest unheeded link; it is easy to be pried open, thereby can't protect lock gall, thereby the thief starts with and reaches the purpose of prying open this class security door from destroying lock gall easily; so lock gall is once broken up, luxurious again security door is also of no avail.Also have, existing security door is generally used bolt structure and is made to strengthen lockset for the sake of security, and the transmission opening ways of this bolt structure all is to be undertaken by gear, yet the utilization gear is opened bolt and can be existed following drawback: 1, complex structure, maintenance trouble; The noise that produces when 2, moving is bigger; 3, tong is hurted sb.'s feelings easily; 4, pick-proof poor performance.

Three, summary of the invention

The purpose of this utility model is that a kind of improved security door will be provided, and the lock gall lid is not sturdy and durable can not protect lock gall effectively because of it is decorated to overcome common security door, is pried open the shortcoming that causes security door to lose antitheft meaning easily; And overcome and produce the big noise and the drawback of the mode of pick-proof preferably when this type of security door adopts gear drive to open this dangerous, operation of bolt, so that security door reaches safe and reliable usefulness.

The purpose of this utility model is achieved in that the utility model security door is at first in the lockhole of door leaf installation lock gall; to be welded in the door leaf by the pick-proof lock gall cover that stainless steel processes; lock gall with two flapper locks is connected in pick-proof lock gall cover at the inner face of door leaf by bolt then; like this; the thief can't be from the outside of door leaf be inserted in hand and be pried open lock gall to reach the attempt of opening security door by prying open the pick-proof lock gall; therefore; adopting pick-proof lock gall cover to replace decorating the lock gall lid is not only that repairing of lock gall mouthful made it attractive in appearance; the more important thing is by pick-proof lock gall cover and protect lock gall, make it to exempt from sled; hit; the destruction of the impact of brill.Then, inner face at door leaf, latch structure is installed in the below of two flapper locks, adopt capacity eccentric bearing transmission opening device to replace the gear drive opening ways to open bolt, drive bolt by eccentric wheel by the bearing of regulating connecting rod and being mounted on the bolt front end exactly and do forward and backward moving, thereby door leaf opens or cuts out.

The utility model is rational in infrastructure, and is antitheft, the pick-proof performance is strong, safe and reliable, easy to use, and the noise of opening or being produced when closing door leaf is less, and owing to fill at the door leaf inner chamber of security door and to add PE Foam thereby also to have sound insulation, sound-absorbing and anti-fire action; In addition, adopt the anti-oxidation metal emulsifier to handle the security door surface, thereby guarantee that security door uses not corrosion for a long time, prolongs its application life; And because the utility model is sturdy and durable, safety guarantee is strong, and need not also to install additional in addition a fan timber when mounted, and save user's cost thus, can be widely used in places such as home dwelling, factory position warehouse, office building and bank vault.

Four, description of drawings

Below in conjunction with accompanying drawing structure of the present utility model is further described:

Fig. 1, be structural representation of the present utility model;

Fig. 2, be the A-A sectional view of Fig. 1;

Fig. 3, be the structural representation of the pick-proof lock gall cover in the utility model.

Five, the specific embodiment

In the drawings; the utility model security door is at first installed in the lockhole of lock gall 13 at door leaf; to process the pick-proof lock gall cover 11 with tubular construction by stainless steel is welded in the door leaf 1; lock gall 13 with two flapper locks 8 is connected in pick-proof lock gall cover 11 at the inner face of door leaf 1 by bolt then; pick-proof lock gall cover 11 is formed with lock gall 13 to closely cooperate; make and do not have the free gap that can be prized between them; like this; the thief can't be from the outside of door leaf 1 starts with and pries open lock gall 13 to reach the attempt of opening security door by prying open pick-proof lock gall cover 11; therefore; adopting pick-proof lock gall cover 11 to replace decorating the lock galls lid is not only that repairing of lock gall 13 mouthful made it attractive in appearance; the more important thing is by pick-proof lock gall cover 11 and protect lock gall 13; make it to exempt from sled; hit; the destruction of the impact of brill makes that security door is worthy of the name really to play antitheft effect.Then, on the position of inner face middle part near a hand hay cutter doorframe 12 of door leaf 1, install one, a cover lock bolt structure is installed below two flapper locks 8 two flapper locks 8.Described latch structure, comprise and regulate connecting rod 4, a termination of regulating connecting rod 4 is a large circle, this large circle entangles eccentric wheel 2, eccentric wheel 2 is provided with an axle 3 that makes it to rotate on the central point of stray circle, axle 3 two ends stretch out in inside and outside of door leaf 3 respectively and respectively connect one and be convenient to the handgrips 10 that the user is used to open or closure latch 7 rotates axle 3; Another termination of regulating connecting rod 4 is a semicircle shape, near this termination one small sircle hole is arranged, and is used to entangle the bearing 5 that is installed in bolt 7 front ends; And described bolt 7 is the impact-resistant rectangular metal piece of energy pick-proof, stainless steel rectangular metal derby particularly, it is by the forward and backward locating piece of the bolt that is installed on door leaf 1 inner face 6,9 location, so that bolt 7 can be accurately along forward and backward locating piece 6,9 forward and backward the moving of bolt; Have two rectangular recess not of uniform size on the top of bolt 7, so that bolt 7 is advanced when door leaf 1 cuts out to doorframe 12, two tongues of two flapper locks 8 can put in just to these two grooves and with bolt 7 and tightly block, under the prerequisite that does not have key operated pair of flapper lock 8, and make bolt 7 can not do forward and backward moving, door leaf 1 firmly cuts out.

In order to use latch structure safely, the special gear drive opening ways that adopts capacity eccentric bearing transmission opening device to replace tradition to use of the utility model is opened bolt 7, rotary handle 10 in a clockwise direction or counterclockwise that Here it is, the axle 3 that 10 drives of handgrip connect therewith makes the rotation of eccentric wheel 2 works and handgrip 10 equidirectionals, and eccentric wheel 2 drives bolt 7 by the bearing 5 of regulating connecting rod 4 and being mounted on bolt 7 front ends and does forward and backward moving, thereby door leaf 1 opens or cuts out.Adopt capacity eccentric bearing transmission opening device to open bolt 7, overcome utilization gear opening ways existing easily tong hurt sb.'s feelings and produce problem such as big noise.

When needs are opened door leaf 1, at first insert in the lock gall 13 two tongues of two flapper locks 8 are turned on the key that is equipped with, handgrip 10 with door leaf 1 outside rotates in a clockwise direction or counterclockwise then, the rotation of handgrip 10 drives the axle 3 that connects therewith and is installed in this eccentric wheel 2 rotations on 3, the rotation of eccentric wheel 2 makes the adjusting connecting rod 4 that connects therewith and the bearing 5 that is connected with adjusting connecting rod 4 done and the rotation of handgrip 10 equidirectionals, drive bolt 7 thus and be opened, thereby open door leaf 1.When needs are closed door leaf 1, just to rotate handgrip 10 bolt 7 is advanced to doorframe 12, this moment, one of them tongue of two flapper locks 8 injected in the bolt 7 corresponding grooves under the elastic force effect of lock self automatically, so just door leaf 1 cut out; At this moment, then another tongue with the two flappers locks 8 of key turns makes it to inject in bolt 7 corresponding another grooves but for greater safety, securely door leaf 1 cuts out.

Why above-mentioned mentioned lock uses two flapper locks 8, and do not consider single flapper lock, be because two flappers lock 8 Duo safety guarantee one than single flapper lock, lock the double shield function of two tongues of 8 by two flappers and more firmly tighten bolt 7, make theftproof performance of the present utility model more reliable.And the utility model is not directly controlled the open and close of door leaf 1 by the tongue of lock, but by two flappers lock 8 control bolts 7 and then by bolt 7 door leaf 1 opens or cuts out, be because bolt 7 laterally than the tongue of locking pick-proof more effectively.

Claims

1, a kind of security door comprises pair flappers lock (8), door leafs (1), it is characterized in that: at door leaf (1) the pick-proof lock gall cover (11) that welds promising tubular construction in pair lockhole of the lock gall (13) of flappers locks (8) is installed; At door leaf (1) inner face, a cover lock bolt structure is installed in the below of two flapper locks (8), described latch structure, comprise and regulate connecting rod (4), a termination of regulating connecting rod (4) is a large circle, this large circle entangles eccentric wheel (2), eccentric wheel (2) is provided with axle (3) on the central point of stray circle, the axle (3) two ends stretch out in respectively door leaf (1) in, the outside respectively connects a handgrip (10), another termination of regulating connecting rod (4) is a semicircle shape, and one small sircle hole is arranged near this termination, and be mounted on the bearing (5) of bolt (7) front end, and described bolt (7) is the rectangular metal piece, stainless steel rectangular metal derby particularly, it by the bolt that is installed on door leaf (1) inner face before, back locating piece (6,9) location has two rectangular recess not of uniform size on the top of bolt (7).