CN2299915Y - Theftproof door with lock core protecting element - Google Patents

Abstract

The utility model belongs to the field of theftproof doors for fixed buildings. A protecting technique adopted by a lock core of an existing theftproof door is complicated; the interstice is easy to generate; the door can be pried. The utility model is provided with a screw ring screwing in a fastening ring at the back of a protective shield plate; the lock core protecting element has convenient production and arrangement, strong versatility and strong anti-prying performance.

Description

The security door of core protector with lock

The utility model relates to the security door of the core protector with lock in fixed buildings security door field, comprises doorframe, door leaf, handle, door lock, lock core protector.

In this technical field field, generally adopt lock core protector technology, to improve the anti-theft capability of security door, Chinese patent 92214569.5 discloses the lock core protector of the applicant's invention, its technical characterictic is to be inserted in interior plate washer in the protection scuta, to protect with screw and be assembled together with door lock again after scuta is fixed on the door leaf, see this patent specification accompanying drawing Fig. 1.As seen from the figure, interior plate washer can rotate by 360 ° of degree after covering lock core, produces effect anti-drilling, crashproof, pick-proof.Owing to adopt the screw assembly structure, must protect drilling and tapping on the scuta, security door also must corresponding holed, make and produce the assembling complexity, lock core protector versatility is poor, and because screw at three point locations, is pried open the hidden danger of protection scuta behind the loosening generation of the existence gap.

The purpose of this utility model provides a kind of security door of simple in structure, easy for installation, core protector with lock that the pick-proof performance is stronger.

Goal of the invention of the present utility model is to realize like this, comprise doorframe, door leaf, handle, door lock, lock core protector, its characteristics are that the lock core protector goes into interior plate washer by the protection shield sleeve-board, screw in tight loop and tight and constitute again, and described protection shield postlaminar part has threaded collar in order to screw in tight loop.

The utility model has the advantages that: need not drilling and tapping, make and produce and install simple, exchange highly versatile, install and tight back be difficult for loosening, also can not be even produce the gap from the bad protection of outside sled scuta.

The utility model is described in further detail below in conjunction with accompanying drawing

Fig. 1 background document Chinese patent 92214569.5 accompanying drawings embody basic assembly relation, and lockset partly amplifies.

One of Fig. 2 enforcement front view, visible doorframe (1), door leaf (2), handle (3) and lock core protector (4).

Fig. 3 protects scuta (5) side amplification view, is that with the prior art important difference threaded collar (6) is contained in the back of door leaf (2).

Plate washer (7) side amplification view in Fig. 4, the shape of keyhole (8) can be made stripe shape, cross or round etc. according to the key-type shape, is inserted in the threaded collar (6).

Half sectional view is amplified in the side of Fig. 5 tight loop (9).Be contained in the back side of door leaf (2), screw in threaded collar (6) and tight.

Be sleeved on the security door of making core protector with lock on the security door by Fig. 3 to Fig. 5 part, extensively be suitable for the security door of various models, effectively improve anti-theft capability.

Claims (1)

1. the security door of a core protector with lock, comprise doorframe, door leaf, handle, door lock, lock core protector, it is characterized in that lock core protector (4) is inserted in interior plate washer (7) by protection scuta (5) and screws in tight loop (9) formation again, and threaded collar (6) is arranged on the described protection scuta (5).