CN2864002Y

CN2864002Y - Anti-theft spring bolt

Info

Publication number: CN2864002Y
Application number: CN 200620100607
Authority: CN
Inventors: 应赤
Original assignee: Individual
Current assignee: ZHEJIANG JULI INDUSTRIAL TRADING Co Ltd
Priority date: 2006-01-18
Filing date: 2006-01-18
Publication date: 2007-01-31
Anticipated expiration: 2016-01-18

Abstract

The utility model belongs to a lockset technology field, especially for a knuckle anti-theft lock adapting to use for the security door. The utility model provides a knuckle anti-theft lock which can not only lock in radial direction of the door lock, but also in axial direction of the door lock, aiming at defects that the existing security door lock can not lock in axial direction of the door lock. The utility model includes a lock body, a side plate, a base plate and two coupler knuckles, the base plate and two coupler knuckles are mounted in the lock body, in which, vertical location notches are opened on the end surface of the coupler knuckles, the base plate head is inserted in the location notch of the end surface of the coupler knuckle, the coupler knuckles and the base plate are connected by hinges, a coupler knuckle hole mating with the coupler knuckle is provided on the side plate, a guide post is provided on the coupler knuckle, the guide posts provided on the two coupler knuckles are respectively inserted in the guiding groove on the lock body, a double-head sliding column is provided on the base plate, the two heads of the sliding column are respectively inserted in the sliding groove on both front and back sides of the lock body.

Description

Hook tongue theftproof lock

Technical field

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

Background technology

The dead bolt of the theftproof lock on the existing security door is the door latch type dead bolt, though door latch type dead bolt energy opposite house is locked in radially and locks, but it can not the opposite house lock shaft to locking, and the axial force often that the robber is produced when forcing open the door from crack between a door and its frame, 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 hook tongue theftproof lock that locks, thereby improve the pick-proof performance of security door.

The technical solution adopted in the utility model is finished in the following way: hook tongue theftproof lock comprises lock body, side panel, planker and two hook tongues, planker and two hook tongues are installed in the lock body, wherein, tail end face at the hook tongue has the longitudinal register groove, the planker head inserts in the locating slot of hook tongue tail end face, be connected for hinge between hook tongue and the planker, on side panel, be provided with the hook tongue hole of matching with the hook tongue, on the hook tongue, be provided with lead, being located at two leads on the hook tongue is inserted in the gathering sill on the lock body separately, planker is provided with the double end slide post, and two of slide post is inserted in respectively before and after the lock body in the sliding tray on the two sides.

When the theftproof lock locking, planker drives the hook tongue and outwards moves, and under the effect of lead on the hook tongue and the gathering sill on the lock body, the hook tongue stretches out outside lock body, and the hook tongue is rotated, and finishes and colludes card motion.When the theftproof lock lock was opened, planker drove the hook tongue and moves inward, and under the effect of lead on the hook tongue and the gathering sill on the lock body, the hook tongue is rotated, and the hook tongue is bounced back in lock body, thereby realize the unlatching of hook tongue theftproof lock.

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 locks the structural representation of opening under the state for hook tongue theftproof lock is in.

Fig. 2 is that hook tongue theftproof lock is in the structural representation under the locking states.

Fig. 3 is hook tongue and planker hinge structural representation together.

Fig. 4 is the left view of Fig. 3.

Fig. 5 is the vertical view of Fig. 3.

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 utility model hook tongue theftproof lock comprises lock body 1, side panel 2, planker 6 and two hook tongues 7, planker 6 and two hook tongues 7 are installed in the lock body 1, wherein, tail end face at hook tongue 7 has the longitudinal register groove, the head of hook tongue 7 is hook-shaped, and planker 6 heads insert in the locating slot of hook tongue 7 tail end faces, link together by straight pin 3 hinges between hook tongue 7 and the planker 6; On side panel 2, be provided with the hook tongue hole of matching with hook tongue 7; On hook tongue 7, be provided with lead 9, being located at two leads 9 on the hook tongue 7 is inserted on the lock body 1 and the gathering sill 8 that lead 9 matches separately, planker 6 is provided with double end slide post 4, and two of slide post 4 is inserted in respectively in the sliding tray 5 on the two sides, lock body 1 front and back.

When the theftproof lock locking, planker 6 drives hook tongue 7 and outwards moves, under the effect of the gathering sill 8 on lead on the hook tongue 79 and the lock body 1, hook tongue 7 stretches out outside lock body 1, after stretching out certain-length, because the lead 9 on the hook tongue 7 is subjected to force hook tongue 7 to rotate under the effect of spacing and guiding of the gathering sill 8 on the lock body 1, finishes and colludes card motion.When theftproof lock lock was opened, planker 6 drove hook tongues 7 and moves inward, and under the effect of the gathering sill 8 on the lead on the hook tongue 79 and lock body 1, forced hook tongue 7 to rotate, retraction to lock body 1 in then, thereby the unlatching of realization hook tongue theftproof lock.

Claims

1, a kind of hook tongue theftproof lock, it is characterized in that this hook tongue theftproof lock comprises lock body (1), side panel (2), planker (6) and two hook tongues (7), planker (6) and two hook tongues (7) are installed in the lock body (1), wherein, tail end face at hook tongue (7) has the longitudinal register groove, the head of hook tongue (7) is hook-shaped, planker (6) head inserts in the locating slot of hook tongue (7) tail end face, hinge links together between hook tongue (7) and the planker (6), on side panel (2), be provided with the hook tongue hole of matching with hook tongue (7), on hook tongue (7), be provided with lead (9), being located at lead (9) on two hook tongues (7) is inserted on the lock body (1) and the gathering sill (8) that lead (9) matches separately, planker (6) is provided with double end slide post (4), and two of slide post (4) is inserted in respectively before and after the lock body (1) in the sliding tray (5) on the two sides.

2, hook tongue theftproof lock according to claim 1 is characterized in that linking together by straight pin (3) hinge between hook tongue (7) and the planker (6).