CN2841865Y

CN2841865Y - Anti-theft door lock with bolt hook

Info

Publication number: CN2841865Y
Application number: CN 200520116738
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 lock with a lock tongue which is suitable for theft-proof doors and safety doors. The utility model aims at the existing defect that the existing theft-proof door locks can not lock door locks in the axial direction, and provides a theft-proof door lock with a lock tongue which can lock door locks in the radial direction and can also lock door locks in the axial direction. The utility model comprises a side panel, an up-down sheet, a slip semi-axis, a lock case, a back-resistant sheet, a trailing bar, a main tongue, a lock tongue hook, a slip column and a lock cover, wherein the main tongue is fixed on the trailing bar and travels through a main tongue hole of the side panel. The up-down sheet is connected with the trailing bar in sliding connection. The lock tongue hook is hook-shaped. The hook part of the lock tongue hook travels through a tongue hook hole of the side panel. Both ends of the slip column on the lock tongue hook respectively travel through a J-shaped slip slot on the up-down sheet, a J-shaped slip slot on the lock case and a J-shaped slip slot on the lock cover. The slip semi-axis on the lock tongue hook travels through a straight slip slot on the lock cover.

Description

The safe-guard door lock of band tongue hook

Technical field

The utility model belongs to lock technology field, particularly a kind of safe-guard door lock that is applicable to the band tongue hook that uses on security door, the safety door.

Background technology

Dead bolt is the important spare part in the door lock, and the quality of dead bolt directly influences the quality of door lock, particularly directly influences the quality of safe-guard door lock.The dead bolt of existing safe-guard door lock all is to adopt the door latch type dead bolt, though the door latch type dead bolt is having better action aspect the door lock locking radial, but the door latch type dead bolt can not the opposite house lock shaft to locking, and the axial force often that the robber forces open the door from crack between a door and its frame and produces, so the anti-theft feature of security door is greatly diminished.

Summary of the invention

The utility model at existing safe-guard door lock existing can not the opposite house lock shaft to the weak point that locks, providing a kind of can not only radially lock door lock, again can the opposite house lock shaft to the safe-guard door lock of the band tongue hook that locks.

The technical solution adopted in the utility model is finished in the following way: the safe-guard door lock of band tongue hook comprises side panel, world sheet, slip semiaxis, lock box, retaining sheet, planker, main tongue, dead bolt hook, slide post and locking closure.Wherein, side panel and lock box are fixed together; Main tongue is fixed on the planker and passes the main tongue hole of side panel, and world sheet and planker are slidingly connected; The dead bolt hook is hook-type, the hook portion of dead bolt hook is passed the tongue dog hole of side panel, J-shaped sliding tray, the J-shaped sliding tray on the lock box and the J-shaped sliding tray on the locking closure on the sheet of the world passed at the two ends of the slide post on the dead bolt hook respectively, and the slip semiaxis on the dead bolt hook passes the straight runner on the locking closure.When main dead bolt stretches out, planker drives world sheet and stretches out, at this moment the J-shaped sliding tray on the sheet of the world is stirred slide post, under the effect of J-shaped sliding tray on lock box, the locking closure and straight sliding tray, stretch out to level, after stretching out certain-length, because the straight sliding tray on the locking closure is to the position-limiting action of slip semiaxis, dead bolt hook level again stretches out, but slide post still can continue to slide in the J-shaped sliding tray on lock box, locking closure so world sheet forces the dead bolt hook to deflect, thereby finish the dogging action of dead bolt hook, realize the closure of the safe-guard door lock of band tongue hook.When main dead bolt bounces back, planker drives world sheet retraction, at this moment the J-shaped sliding tray of world sheet acts on the slide post on the dead bolt hook, under the guiding of the J-shaped sliding tray on lock box, the locking closure, make the generation deflection of dead bolt hook and break away from the dogging state, level bounces back then, thereby realizes the unlatching of the safe-guard door lock of band tongue hook.

The safe-guard door lock of the utility model band tongue hook is compared with existing safe-guard door lock, has and can not only radially lock door lock, again can the opposite house lock shaft to the characteristics that lock, improved the theftproof performance of security door greatly.The utility model is particularly suitable as the door lock on all kinds of security doors.

Description of drawings

Fig. 1 is that the safe-guard door lock of band tongue hook is in the structural representation under the locking states.

Fig. 2 locks the structural representation of opening under the state for the safe-guard door lock of being with the tongue hook is in.

Fig. 3 is the structural representation of locking closure.

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 safe-guard door lock of the utility model band tongue hook lock comprises side panel 1, world sheet 2, slip semiaxis 3, lock box 4, retaining sheet 5, planker 6, locking closure 7, main tongue 8, slide post 9, dead bolt hook 10, handle hole 11, lock core hole 12, wherein, side panel 1 is fixed together with lock box 4, main tongue 8 is fixed on the planker 6 and passes the main tongue hole of side panel 1, world sheet 2 is slidingly connected with planker 6, the hook portion of dead bolt hook 10 is passed the tongue dog hole of side panel 1, the J-shaped sliding tray 13 on the world sheet 2 is passed at the two ends of the slide post 9 on the dead bolt hook 10 respectively, J-shaped sliding tray 14 on the lock box 4 and the J-shaped sliding tray 16 on the locking closure 7, the slip semiaxis 3 on the dead bolt hook 10 passes the straight sliding tray 15 on the locking closure 7.

Claims

1, a kind of safe-guard door lock with the tongue hook lock, the safe-guard door lock that it is characterized in that this band tongue hook lock comprises side panel (1), world sheet (2), slip semiaxis (3), lock box (4), retaining sheet (5), planker (6), locking closure (7), main tongue (8), slide post (9), dead bolt hook (10), handle hole (11), lock core hole (12), wherein, side panel (1) is fixed together with lock box (4), main tongue (8) is fixed on the main tongue hole that side panel (1) was gone up and passed to planker (6), world sheet (2) is slidingly connected with planker (6), dead bolt hook (10) is hook-type, the hook portion of dead bolt hook (10) is passed the tongue dog hole of side panel (1), the J-shaped sliding tray (13) on the world sheet (2) is passed at the two ends of the slide post (9) on the dead bolt hook (10) respectively, J-shaped sliding tray (14) on the lock box (4) and the J-shaped sliding tray (16) on the locking closure (7), the slip semiaxis (3) on the dead bolt hook (10) passes the straight sliding tray (15) on the locking closure (7).