CN2841864Y

CN2841864Y - Anti-theft door side lock with bolt hook

Info

Publication number: CN2841864Y
Application number: CN 200520116737
Authority: CN
Inventors: 应赤
Original assignee: 应赤
Current assignee: ZHEJIANG JULI INDUSTRIAL TRADING CO., LTD.
Priority date: 2005-11-24
Filing date: 2005-11-24
Publication date: 2006-11-29
Anticipated expiration: 2015-11-24

Abstract

The utility model belongs to the technical field of locksets, and particularly relates to a theft-proof door edge lock with a lock tongue which is used and matched with a door lock. The utility model aims at the existing defect that the existing theft-proof door edge locks have no axial locking, and provides a theft-proof door edge lock with a lock tongue which has the advantages of axial locking, strong theft-proof ability and simple structure. The edge lock comprises a panel, a slip sheet, a lock box, a lock tongue hook, slip columns and a lock cover, wherein the panel is fixed with the lock box together. Both ends of the slip sheet respectively travel through an upper and a lower slip sheet jacks of the lock box. The hook part of the lock tongue hook travels through a tongue hole on the panel. One end of one slip column on the lock tongue hook simultaneously travels through a J-shaped slip slot on the slip sheet and a J-shaped slip slot of the lock box; the other end travels through a J-shaped slip slot on the lock cover. One end of the other slip column on the lock tongue hook travels through an L-shaped slip slot on the slip sheet, a straight slip slot on the lock box and a straight slip slot on the lock cover. When the utility model is installed, the slip sheet of the edge lock and an up-down lock fork of a door lock are linked together.

Description

The security door limit lock of band tongue hook

Technical field

The novel lock technology field that belongs to of this use, particularly a kind of security door limit lock that is applicable to the band tongue hook that is used with door lock on security door, the safety door.

Background technology

Be to improve the pick-proof performance of security door, set up the limit lock usually on security door, limit lock and world lock fork in the door lock are linked together, the limit lock is with the locking of door lock, unlatching and locking, unlatching.Existing security door limit lock is the dead bolt of door latch type, not axially locking, and the pick-proof ability is relatively poor.

Summary of the invention

The utility model provides a kind of axial locking that is provided with at the existing weak point that does not have axial locking of existing security door limit lock, the security door limit lock of the band tongue hook that the pick-proof ability is strong, simple in structure.

The technical solution adopted in the utility model is finished in the following way: the security door limit lock of band tongue hook comprises panel, slide, lock box, dead bolt hook, slide post and locking closure, wherein, panel and lock box are fixed together, and the two slide jacks up and down of lock box are passed at two of slide respectively; The hook portion of dead bolt hook is passed the tongue hole on the panel; One end of the slide post on the dead bolt hook passes the J-shaped sliding tray on the slide, the J-shaped sliding tray of lock box simultaneously, and the other end passes the J-shaped sliding tray on the locking closure; One end of another slide post on the dead bolt hook passes L shaped sliding tray, the straight sliding tray on the lock box and the straight sliding tray on the locking closure on the slide.During installation, the utility model is contained in respectively on the security door of upper and lower of safe-guard door lock, and the lock fork interlock of the world on slide and the door lock together.Security door of the present utility model is housed when locking, move by (descending) on the world lock fork drive slide of door lock, force the outside level of dead bolt hook to be stretched out through slide post, when level is stretched out certain length, slide post on the dead bolt hook be subjected on the locking closure sliding tray always restriction again level stretch out, at this moment continue to slide in the J-shaped sliding tray on the lock box locking closure by another slide post on the dead bolt hook.Force the dead bolt hook to rotate, finish the card motion that colludes of dead bolt hook.Security door of the present utility model is housed when opening, under the world lock fork drive slide by door lock (on) move, effect by the J-shaped sliding tray of slide post on slide and lock box locking closure, force the dead bolt hook to rotate, card motion is colluded in answer, the level retraction is realized the unlatching of the security door limit lock of band tongue hook then.

The security door limit lock and the phase-locked ratio in existing security door limit of the utility model band tongue hook, but the opposite side lock shaft had to the characteristics that lock, the pick-proof ability is strong, simple in structure, stir flexible, cost of production is low.The utility model can improve the theftproof performance of existing security door greatly.

Description of drawings

Fig. 1 is the structural representation of the security door limit lock of band tongue hook.

Fig. 2 is the structural representation of locking closure.

Fig. 3 is the structural representation of slide.

Fig. 4 is the structural representation of dead bolt hook.

Fig. 5 is the vertical view of Fig. 4.

The specific embodiment

Contrast accompanying drawing below, the utility model is described further by embodiment.

With reference to accompanying drawing 1 to accompanying drawing 5, the security door limit lock of the utility model band tongue hook comprises panel 1, slide 2, lock box 3, dead bolt hook 4, slide post 5 and locking closure 6, wherein, panel 1 is fixed together with lock box 3, and the two slide jacks up and down of lock box 3 are passed at two of slide 2 respectively; The hook portion of dead bolt hook 4 is passed the tongue hole on the panel 1, and an end of the slide post 7 on the dead bolt hook 4 passes the J-shaped sliding tray 8 on the slide 2, the J-shaped sliding tray 10 of lock box 3 simultaneously, and the other end passes the J-shaped sliding tray 13 on the locking closure 6; One end of another slide post 5 on the dead bolt hook 4 passes L shaped sliding tray 9, the straight sliding tray 11 on the lock box 3 and the straight sliding tray 12 on the locking closure 6 on the slide 2.During installation, the utility model is contained in respectively on the security door of upper and lower of safe-guard door lock, and the world lock fork interlock on slide 2 and the door lock together.

Claims

1, a kind of security door limit lock with the tongue hook, the security door limit lock that it is characterized in that this band tongue hook comprises panel (1), slide (2), lock box (3), dead bolt hook (4), slide post (5) and locking closure (6), wherein, panel (1) is fixed together with lock box (3), the two slide jacks up and down of lock box (3) are passed at two of slide (2) respectively, the hook portion of dead bolt hook (4) is passed the tongue hole on the panel (1), one end of the slide post (7) on the dead bolt hook (4) passes the J-shaped sliding tray (8) on the slide (2) simultaneously, the J-shaped sliding tray (10) of lock box (3), the other end passes the J-shaped sliding tray (13) on the locking closure (6), and an end of another slide post (5) on the dead bolt hook (4) passes the L shaped sliding tray (9) on the slide (2), straight sliding tray (11) on the lock box (3) and the straight sliding tray (12) on the locking closure (6).