CN203669537U

CN203669537U - Invisible longitudinal locking anti-theft door lock locked through key

Info

Publication number: CN203669537U
Application number: CN201320835537.0U
Authority: CN
Inventors: 宋华
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-18
Filing date: 2013-12-18
Publication date: 2014-06-25
Anticipated expiration: 2023-12-18

Abstract

The utility model discloses an invisible longitudinal locking anti-theft door lock locked through a key. A lock plunger is arranged at a door crack, and the safety of an anti-theft door is improved. The key is used for locking, and the phenomenon that locking is not carried out after the door is closed due to an automatic lock is avoided. The invisible longitudinal locking anti-theft door lock is characterized in that a lock point strip is arranged on a door frame, after the door is closed, a lock point block on a lock head strip is inserted into a lock body hole in a door leaf, an oblique tongue of a lock body is pressed in and then is popped out and is inserted into a rectangular hole of the lock point block, the door leaf is located at the position, the oblique tongue is contracted in, and the door can be opened. After the door leaf is located, the key can be used for screwing a pulling head of a lock head on the inner portion and the outer portion of the door, a main lock plunger is inserted into the rectangular hole of the lock point block, the safety degree of the anti-theft door is improved, a screwing part is rotated on the inner portion of the door, a safety lock plunger extends out and is inserted into the rectangular hole of the lock point block, and accordingly unlocking cannot be carried out outside the door.

Description

The longitudinally-locked safe-guard door lock of stealth of locking with key

Affiliated technical field

The utility model relates to safe-guard door lock technical field, relates in particular to the longitudinally-locked safe-guard door lock of a kind of stealth of locking with key.

Background technology

At present, known safe-guard door lock is all to adopt horizontal locking structure, and locking bolt is out inserted into the hole of doorframe from the lateral extensometer of lock body, and door leaf can not be opened, and this structure can find locking bolt from crack between a door and its frame, easily destroys and opens the door.The lockset of international insurance case series products has adopted longitudinally-locked structure to increase safety in the recent period, but be all to adopt automatic lock structure, lock by meeting and discussing at closing time, this structure is little for area, the strongbox series products that sheet material is thick still can, and it is large for the such area of security door, the product that sheet material is thin is just improper, because doorframe and door leaf are in carrying, in use, keep away unavoidable collision, very easily distortion, latch does not align with regard to bullet not out with the hole on doorframe, often there is to close the situation of not locking behind the door, it would be better to and adopt the key structure of locking to come reliably, because latch is to twist less than key while alignment with hole, can pinpoint the problems in time and take measures, in the time that the distortion of doorframe or door leaf is not too serious, in the time twisting key, moving door leaf just inserts in the hole latch all of a sudden, namely: lock as long as pass can turn key behind the door.

Utility model content

In order to overcome the deficiencies in the prior art, the utility model provides the longitudinally-locked safe-guard door lock of a kind of stealth of locking with key to increase the safety of security door.

The technical solution of the utility model is: this invisible antitheft door lock, there is longitudinal lock point piece and horizontal locking bolt, longitudinally lock point piece is arranged on doorframe, laterally locking bolt is one of structure of lock body, be contained in door leaf, close behind the door longitudinally lock point piece and be inserted in the hole of door leaf, after the latch bolt of lock body is pressed into, eject again, be inserted in the oblong aperture of longitudinal lock point piece, door leaf is fixed in this position.Drawing in can opened door leaf after latch bolt.Draw in latch bolt and have two kinds of ways: the first is that the shifting block of twisting tapered end draws in latch bolt; The second is that rotating shaft head draws in latch bolt, and being square shaft by filling in the square hole on spindle nose, the rotation of spindle nose drives, the other end of square shaft is inserted in the square hole of handle, so pressure turns handle and just can draw in latch bolt, if handle is outdoors made not revolvable, can only insert and in tapered end, remove to twist shifting block and draw in latch bolt and go to open the door with key so outdoors.After door leaf being fixed in latch bolt is inserted into the oblong aperture of longitudinal lock point piece, available key turns shifting block and master latch is stretched in the oblong aperture that is inserted into longitudinal lock point piece, increases the degree of safety of door leaf.In door, can also rotate screwer, insurance locking bolt is stretched in the oblong aperture that is inserted into longitudinal lock point piece, at this moment, just can not unblank outdoors.

The beneficial effects of the utility model are the safeties that increased security door, and simple in structure, easy to operate, the pass of avoiding automatic locking easily the to occur phenomenon of not locking behind the door.

Accompanying drawing explanation

Fig. 1 is a kind of relevant view of locking a bar of the present utility model;

Fig. 2 is the lock body outside drawing matching with the lock point bar of Fig. 1;

Fig. 3 is the lock body of Fig. 2 relevant sectional drawing after upper master latch;

Fig. 4 is that the lock body of Fig. 2 is at the relevant sectional drawing of insuring after locking bolt;

Fig. 5 is the relevant sectional drawing that the lock body shifting block of Fig. 2 draws in latch bolt;

Fig. 6 is that the lock point bar of Fig. 1 inserts the relevant sectional drawing after Fig. 2 lock body.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 has shown a kind of lock point bar of the present utility model (1).Lock point bar (1) is made up of base bar (2) and lock point piece (3), here there are three lock point pieces (3), there is an oblong aperture in the front of each lock point piece (3), and they are solid on base bar (2) by iron chains.Lock point bar (1) is arranged on doorframe.

Fig. 2 has shown the outside drawing of locking the lock body (4) that a bar (1) matches with Fig. 1.Lock body (4) links with guide strip (6) and door leaf, lock body (4) has three oblong aperture, be used for inserting the lock point piece (3) of lock point bar (1), in three holes, there is a hole to expose latch bolt (5), while injecting lock point piece (3), can be pressed into latch bolt (5), then latch bolt (5) is next because stage clip active force ejects.

Fig. 3 has shown the relevant sectional drawing of Fig. 2 lock body (4) after upper master latch (15).Twist the shifting block (16) of tapered end (17), got in supporting plate (13) top, be cemented in the groove (11) that backing pin (10) on supporting plate (13) is lifted away from king bolt plate (12) top, continue to twist shifting block (16), stir the tooth (14) of king bolt plate (12) bottom, king bolt plate (12) is stretched out with affixed master latch (15), can only push away king bolt plate (12) and move a pitch because shifting block (16) turns around, therefore king bolt plate (12) lower teeth (14) is made rack-and-pinion, can repeatedly rotate shifting block (16) and all stretch out master latch (15), universe rod (7) (20) is stretched out in the pin (8), (18) that are cemented on king bolt plate (12), oppositely twist shifting block (16), jack-up supporting plate (13) makes backing pin (10) be lifted away from the groove (11) on king bolt plate (12) top, continue to twist shifting block (16), stir king bolt plate (12) lower teeth (14), in hole king bolt plate (12) with affixed master latch (15) indentation force bearing plate (19), pin (8), (18) are universe rod (7), (20) retraction.

The relevant sectional drawing of the lock body (4) that Fig. 4 has shown Fig. 2 after the bolt of insuring (22).Rotation screwer (23) is dialled lock plate (21), and lock plate (21) puts in affixed insurance locking bolt (22); Reverse rotation screwer (23) goes to dial lock plate (21), in the hole of lock plate (21) with affixed insurance locking bolt (22) indentation force bearing plate (19).

Fig. 5 has shown that lock body (4) shifting block (16) of Fig. 2 draws in the relevant sectional drawing after latch bolt (5).Rotation tapered end (17) shifting block (16), jack-up connecting rod (29), push-jump plectrum (27), stir push pedal (24) go to promote oblique tongue rod (26) latch bolt (5) draw in come; In addition by square hole rotating shaft head (28) pull out head (28), also can rotate plectrum (27), stir push pedal (24) go to promote oblique tongue rod (26) latch bolt (5) draw in come.After shifting block (28) resets, latch bolt (5) is subject to the elastic force of stage clip (25) to eject.

Fig. 6 has shown that the lock point bar (1) of Fig. 1 inserts the rear relevant sectional drawing of lock body (4) of Fig. 2.At closing time, be contained in lock body (4) on door leaf along with door leaf turns round to doorframe together, the lock point bar (1) being arranged on doorframe just inserts in lock body (4) oblong aperture in door leaf, and latch bolt (5) is compressed into, along with going deep into of lock point piece (3), latch bolt (5) ejects the oblong aperture of inserting to lock point piece (3), door leaf fix in this position (seeing A-A sectional drawing), must draw in latch bolt (5), leave the oblong aperture of lock point piece (3) and just can pull open door leaf.Draw in latch bolt (5) and have two kinds of ways: 1, square shaft is inserted in the square hole of spindle nose (28), the other end is inserted in the square hole of handle, pressure turns handle and goes to draw in latch bolt (5).2, turn shifting block (16) and go to draw in latch bolt (5).After door leaf fixes, can turn shifting block (16), master latch (15) is stretched out in the oblong aperture that is inserted into lock point piece (3), to increase the degree of safety (seeing B-B sectional drawing) of security door.After door leaf fixes, can also rotate screwer (23) insurance locking bolt (22) is stretched out in the oblong aperture that is inserted into lock point piece (3) and makes cannot unblank outdoors; Reverse rotation screwer (23) can make to insure locking bolt (22) retraction (seeing C-C sectional drawing).

The above is only the preferred embodiment of the utility model patent; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improvement and modification also should be considered as the protection domain of the utility model patent.

Claims

1. the longitudinally-locked safe-guard door lock of the stealth of locking with key, comprise universal lock head (17), lock body (4), lock point bar (1), it is characterized in that: lock point piece (3) iron chains with oblong aperture are solid at the upper composition lock point bar of base bar (2) (1), be arranged on doorframe, lock body (4) is arranged in door leaf.

2. the longitudinally-locked safe-guard door lock of stealth of locking with key according to claim 1, it is characterized in that: lock point bar (1) inserts in the lock body (4) in door leaf at closing time, the latch bolt of lock body (4) (5) can be compressed into, then latch bolt (5) can eject the oblong aperture of inserting to lock point piece (3), and door leaf is fixed in this position.

3. the longitudinally-locked safe-guard door lock of stealth of locking with key according to claim 1, it is characterized in that: after latch bolt (5) fixes door leaf, rotatable shifting block (16) moves king bolt plate (12), and king bolt plate (12) is stretched with the master latch being fixed together (15) in the oblong aperture that is inserted into lock point piece (3) to increase the degree of safety of door leaf; Reversion shifting block (16), makes master latch (15) retraction.

4. the longitudinally-locked safe-guard door lock of stealth of locking with key according to claim 1, it is characterized in that: after latch bolt (5) fixes door leaf, in door, turn screwer (23) and remove to dial lock plate (21), lock plate (21) is stretched in the oblong aperture that is inserted into lock point piece (3) with the insurance locking bolt (22) being fixed together, and does not just drive outdoors lock; Reversion screwer (23), makes to insure locking bolt (22) retraction.