CN203559745U

CN203559745U - Stop lock and backward unlocking type anti-theft door equipped with same

Info

Publication number: CN203559745U
Application number: CN201320689009.9U
Authority: CN
Inventors: 张海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-04
Filing date: 2013-11-04
Publication date: 2014-04-23
Anticipated expiration: 2023-11-04

Abstract

The utility model discloses a stop lock and a backward unlocking type anti-theft door equipped with the same, relates to a lock and an anti-theft door equipped with the same, and aims to solve the problems that the anti-theft capability is reduced as an existing door lock is provided with a lock chain on one side towards the inside of a room and the lock chain only can be mounted indoors and cannot be operated outdoors, and a lawbreaker can use an unlocking instrument to directly face to a key hole to find a lock spring arrangement rule of the door lock to unlock the anti-theft door as key holes of existing anti-theft doors are all arranged outwards. A trigger part is arranged in a lock cavity; a cam is arranged in a lock housing; a lock tongue is fixedly connected with a cam follower housing; a long-strip-shaped through hole II is provided with blocking teeth; a shaft II is arranged on the lock housing and penetrates through a long-strip-shaped through hole I and the long-strip-shaped through hole II; an inner door is provided with a door lock I; the inner door and an outer door are opened on the same side; the outer door is opened towards the outdoor side; the inner door is opened towards the indoor side; a key hole of a lock II is arranged towards the indoor side; a door frame I is provided with the stop lock; a driven lock bolt points to the trigger part; the distance between the inner door and the door frame I is 3 mm to 4 mm. The stop lock is used for preventing theft.

Description

A kind of security door of unblanking dorsad that keeps off lock and this gear lock is installed

Technical field

The utility model relates to a kind of security door of locking and being provided with this lock.

Background technology

Existing door lock is provided with chain towards indoor, when door lock is opened, be fully opened, but chain can only cannot operate outdoor at indoor location, reduced the anti-theft capability of door lock for blocking door.

The keyhole of existing security door is all to arrange outwardly, and the random alignment of utilizing the different snap of a plurality of height combines to join gets corresponding key, when key inserts in corresponding keyhole, snap height is consistent, thereby make key turns drive flip flop equipment in lock to realize the switching of security door, thereby lawless person can directly use the apparatus of unblanking to find the arrangement regulation of snap to open security door facing to keyhole.

Utility model content

The purpose of this utility model is to provide a kind of security door of unblanking dorsad that keeps off lock and this gear lock is installed, and to solve existing door lock, towards indoor, is provided with chain, and chain can only cannot operate outdoor at indoor location, reduces the anti-theft capability of door lock; The keyhole of existing security door all arranges outwardly, and lawless person can directly use the apparatus of unblanking to find the snap arrangement regulation of door lock to open the problem of security door facing to keyhole.

The utility model is to address the above problem the technical scheme of taking to be: a kind of gear lock of the present utility model, described gear lock comprises triggering part, axle one, axle two, spring two, cam, cam follower, spring three, dead bolt, lock chamber, cam follower shell and lock housing, lock chamber and lock housing horizontal Tile are arranged in doorframe one, lock is processed with the through hole one communicating with lock housing inner chamber in chamber, trigger that part is arranged in lock chamber and with one end Joint of axle one, cam is arranged in lock housing, the other end of axle one is by through hole one and cam Joint, on the sidewall of cam follower shell, be processed with strip through hole one, dead bolt and cam follower shell Joint, cam follower inserts in cam follower shell, cam follower is connected with cam follower shell by spring two, on cam follower, be processed with strip through hole two with strip through hole one opposite position place, strip through hole two is provided with gear tooth, the sidewall of lock housing is provided with axle two, axle two is simultaneously through strip through hole one and strip through hole two, in lock housing, be processed with through hole two, cam follower shell is installed in lock housing, dead bolt matches with through hole two, cam contacts with cam follower, lock housing is connected with cam follower by spring three, lock two can only be opened by key.

A kind of security door of unblanking dorsad that described gear lock is installed, described security door of unblanking dorsad comprises doorframe one, driven locking bolt, spring one, door lock one and lock two, described security door of unblanking dorsad also comprises external door, inside door and gear lock, external door matches with doorframe one and a side and the doorframe one of external door pass through gemel connection, external door is provided with lock two near opposite side, in the shop front of external door, offer the strip hole matching with inside door, inside door matches with strip hole, one side of inside door is connected with external door by hinge, on inside door, near opposite side, be provided with door lock one, inside door and external door homonymy are opened, external door is opened towards outdoor, inside door is opened towards indoor, the keyhole of lock two is towards indoor setting, the keyhole of door lock one is towards outdoor setting, on doorframe one, with door lock one opposite position place, gear lock is installed, the locked groove matching with door lock one on external door is groove, locked groove is horizontally disposed with, in locked groove, level is provided with driven locking bolt and spring one, spring one is sleeved on slave lock bolt, locked groove is towards the lock chamber of gear lock, lock is processed with through hole four with locked groove opposite position on chamber, driven locking bolt points to and triggers part, when described external door is closed, inside door is opened, when gear lock blocks inside door, the open side of inside door is 3mm-4mm near the distance between the adjacent vertical edge door eaves of a dead bolt side adjacent with doorframe one.

The utility model compared with prior art has following beneficial effect:

While locking, dead bolt touches and triggers part 6-9, by connected effect, the dead bolt 6-1 of gear lock 6 is stretched out and door eaves is blocked, while realizing indoor unmanned situation, also can lock.

When lawless person opens after door lock 1, use unlocking tool to prepare to open lock at 23 o'clock, because the gap between external door 4 and inside door 5 is narrow and small, having limited lawless person uses unlocking tool to unblank, and lock two keyhole is dorsad outside room, the keyhole that makes lawless person be difficult to aim at lock two finds snap arrangement regulation to open security door.By field trial, the time lengthening that the relatively existing security door of the security door that the utility model is unblanked is dorsad opened by force by lawless person 1 hour.

Accompanying drawing explanation

Fig. 1 is front view of the present utility model, Fig. 2 is the A-A sectional view of Fig. 1, and Fig. 3 is the top view of Fig. 1, and Fig. 4 is the interaction relation broken section top view of gear lock 6 and door lock one, Fig. 5 is B-B sectional view in Fig. 4, and Fig. 6 is the interaction relation broken section front view of gear lock 6 and door lock 1.

The specific embodiment

The specific embodiment one: illustrate in conjunction with Fig. 4 to Fig. 6, a kind of gear lock of present embodiment, described gear lock 6 comprises triggering part 6-9, axle one 6-6, axle two 6-11, spring two 6-5, cam 6-3, cam follower 6-4, spring three 6-7, dead bolt 6-1, lock chamber 11, cam follower shell 6-2 and lock housing 6-10, lock chamber 11 is arranged in doorframe 1 with lock housing 6-10 horizontal Tile, lock is processed with the through hole 1 communicating with lock housing 6-10 inner chamber in chamber 11, trigger that part 6-9 is arranged in lock chamber 11 and with one end Joint of axle one 6-6, cam 6-3 is arranged in lock housing 6-10, the other end of axle one 6-6 is by through hole 1 and cam 6-3 Joint, on the sidewall of cam follower shell 6-2, be processed with strip through hole one 6-2-1, dead bolt 6-1 and cam follower shell 6-2 Joint, cam follower 6-4 inserts in cam follower shell 6-2, cam follower 6-4 is connected with cam follower shell 6-2 by spring two 6-5, on cam follower 6-4 and strip through hole one 6-2-1 opposite position place is processed with strip through hole two 6-4-1, strip through hole two 6-4-1 are provided with gear tooth 6-4-4, the sidewall of lock housing 6-10 is provided with axle two 6-11, axle two 6-11 are simultaneously through strip through hole one 6-2-1 and strip through hole two 6-4-1, on lock housing 6-10, be processed with through hole 2 13, cam follower shell 6-2 is installed in lock housing 6-10, dead bolt 6-1 matches with through hole 2 13, cam 6-3 contacts with cam follower 6-4, lock housing 6-10 is connected with cam follower 6-4 by spring three 6-7.

The specific embodiment two: illustrate in conjunction with Fig. 1 to Fig. 3, present embodiment a kind of is provided with the security door of unblanking dorsad of the gear lock described in the specific embodiment one, described security door of unblanking dorsad comprises doorframe 1, driven locking bolt 8, spring 1, door lock 1 and lock 23, described security door of unblanking dorsad also comprises external door 4, inside door 5 and gear lock 6, external door 4 matches with doorframe 1 and a side and the doorframe 1 of external door 4 pass through gemel connection, external door 4 is provided with lock 23 near opposite side, in the shop front of external door 4, offer the strip hole 14 matching with inside door 5, inside door 5 matches with strip hole 14, one side of inside door 5 is connected with external door 4 by hinge, on inside door 5, near opposite side, be provided with door lock 1, inside door 5 is opened with external door 4 homonymies, external door 4 is opened towards outdoor, inside door 5 is opened towards indoor, lock 23 keyhole towards indoor setting, the keyhole of door lock 1 is towards outdoor setting, on doorframe 1, with door lock one 2 opposite position places, gear lock 6 is installed, the locked groove 7 matching with door lock 1 on external door 4 is groove, locked groove 7 is horizontally disposed with, the interior level of locked groove 7 is provided with driven locking bolt 8 and spring 1, spring 1 is sleeved on driven locking bolt 8, locked groove 7 is towards the lock chamber 11 of gear lock 6, lock is processed with through hole 4 15 with locked groove 7 opposite positions on chamber 11, driven locking bolt 8 points to and triggers part 6-9, when described external door 4 is closed, inside door 5 is opened, when gear lock 6 blocks inside door 5, the open side of inside door 5 is 3mm-4mm near the distance C between the adjacent vertical edge door eaves of a dead bolt 6-1 side adjacent with doorframe 1.

The specific embodiment three: illustrate in conjunction with Fig. 1 to Fig. 3, doorframe one 1 thickness of present embodiment are 15 centimetres-20 centimetres.Meet design instructions for use.In present embodiment, undocumented technical characterictic is identical with the specific embodiment one or two.

The specific embodiment four: in conjunction with Fig. 2 explanation, be equipped with foam rubber adhesive tape 12 on the door eaves of the door eaves of the external door 4 of present embodiment and inside door 5.Meet design instructions for use.In present embodiment, undocumented technical characterictic is identical with the specific embodiment two.

Operating principle

When Door-lock bolt touches, trigger after part 6-9, with the cam 6-3 of the moving axis one 6-6 other end, rotate, cam follower 6-4, to pressing down, is made to keep off tooth 6-4-4 and departs from axle two 6-11, at the dead bolt 6-1 of the drive lower block lock 6 of spring three 6-7, stretch out, block an eaves.

While locking without, first lock 23 is locked, then door lock 1 is locked, when door lock 1 is locked, the dead bolt of door lock 1 promotes the driven locking bolt 8 in groove 7, and driven locking bolt 8 touches and triggers part 6-9, thereby the dead bolt 6-1 of gear lock 6 is stretched out, and completes and locks.

When outdoor unblanking, first door lock 1 is opened, owing to keeping off the dead bolt 6-1 of lock 6, inside door 5 is blocked, inside door 5 cannot be opened completely, then with key, the lock 23 arranging dorsad on external door 4 is opened, realize opening of this security door.

Indoor, open the door when coming in and going out or locking, can realize external door 4 and lock or open discrepancy by using key to control lock 23 on external door 4 on the one hand; Can realize locking or opening discrepancy external door 4 by the door lock 1 of operation inside door 5 on the other hand.

Claims

1. a gear is locked, it is characterized in that: described gear lock (6) comprises triggering part (6-9), axle one (6-6), axle two (6-11), spring two (6-5), cam (6-3), cam follower (6-4), spring three (6-7), dead bolt (6-1), lock chamber (11), cam follower shell (6-2) and lock housing (6-10), lock chamber (11) is arranged in doorframe one (1) with lock housing (6-10) horizontal Tile, in lock chamber (11), be processed with the through hole one (16) communicating with lock housing (6-10) inner chamber, trigger that part (6-9) is arranged in lock chamber (11) and with one end Joint of axle one (6-6), cam (6-3) is arranged in lock housing (6-10), the other end of axle one (6-6) is by through hole one (16) and cam (6-3) Joint, on the sidewall of cam follower shell (6-2), be processed with strip through hole one (6-2-1), dead bolt (6-1) and cam follower shell (6-2) Joint, cam follower (6-4) inserts in cam follower shell (6-2), cam follower (6-4) is connected with cam follower shell (6-2) by spring two (6-5), on cam follower (6-4) and strip through hole one (6-2-1) opposite position place is processed with strip through hole two (6-4-1), strip through hole two (6-4-1) is provided with gear tooth (6-4-4), the sidewall of lock housing (6-10) is provided with axle two (6-11), axle two (6-11) is simultaneously through strip through hole one (6-2-1) and strip through hole two (6-4-1), in lock housing (6-10), be processed with through hole two (13), cam follower shell (6-2) is installed in lock housing (6-10), dead bolt (6-1) matches with through hole two (13), cam (6-3) contacts with cam follower (6-4), lock housing (6-10) is connected with cam follower (6-4) by spring three (6-7).

2. one kind is provided with the security door of unblanking dorsad that gear claimed in claim 1 is locked, described security door of unblanking dorsad comprises doorframe one (1), driven locking bolt (8), spring one (9), door lock one (2) and lock two (3), it is characterized in that: described security door of unblanking dorsad also comprises external door (4), inside door (5) and gear lock (6), external door (4) matches with doorframe one (1) and a side and the doorframe one (1) of external door (4) pass through gemel connection, external door (4) is provided with lock two (3) near opposite side, in the shop front of external door (4), offer the strip hole (14) matching with inside door (5), inside door (5) matches with strip hole (14), one side of inside door (5) is connected with external door (4) by hinge, inside door (5) is upper is provided with door lock one (2) near opposite side, inside door (5) is opened with external door (4) homonymy, external door (4) is opened towards outdoor, inside door (5) is opened towards indoor, the keyhole of lock two (3) is towards indoor setting, the keyhole of door lock one (2) is towards outdoor setting, on doorframe one (1) and door lock one (2) opposite position place is provided with gear lock (6), the upper locked groove (7) matching with door lock one (2) of external door (4) is groove, locked groove (7) is horizontally disposed with, the interior level of locked groove (7) is provided with driven locking bolt (8) and spring one (9), spring one (9) is sleeved on driven locking bolt (8), locked groove (7) is towards the lock chamber (11) of gear lock (6), go up in lock chamber (11) and locked groove (7) opposite position is processed with through hole four (15), driven locking bolt (8) points to and triggers part (6-9), when described external door (4) is closed, inside door (5) is opened, when gear lock (6) blocks inside door (5), the open side of inside door (5) is 3mm-4mm near the distance (C) between the adjacent vertical edge door eaves of dead bolt (6-1) side adjacent with doorframe one (1).

3. security door according to claim 2, is characterized in that: doorframe one (1) thickness is 15 centimetres-20 centimetres.

4. security door according to claim 2, is characterized in that: on the door eaves of the door eaves of external door (4) and inside door (5), be equipped with foam rubber adhesive tape (12).