CN2424273Y - Internally mounted splitting anti-theft lock - Google Patents

Abstract

The utility model discloses a built-in splitting anti-theft lock which comprises a lock head, a lock body, a lining board and a decorative sheet, wherein, the lock body comprises a gear device, a main lock bolt and an inclined bolt, and the main lock bolt is connected with the inclined bolt through an oscillating rod; the gear device is composed of a driving star gear and a driven star gear, and the lock head dead plate is arranged between the lock head and a lock shell; the opening part of the lock head dead plate is extended into a concave shape, and the lock head is installed on the opening part. The utility model has the advantages of having handy and flexible use, ensuring various anti-theft performance of the lock head and reducing the thickness of the lock body, and because of the adoption of the lock head dead plate to separate the lock head and the lock body, the utility model also has the advantage of enhancing the drilling, prying, pull and impact preventing performance of the lock.

Description

A kind of built-in type split theftproof lock

The utility model relates to a kind of lock, particularly relates to a kind of built-in lock that is installed on security door.

Existing theftproof lock, of a great variety, function is different.But make a general survey of various theftproof locks, particularly be installed on the security door, all exist lock thickness big, anti-drilling, the pick-proof of lock, anti-ly draw, the shortcoming of the poor performance of erosion control, can not satisfy the requirement of security door to built-in lock, and after the oblique tongue that theftproof lock in use often occurs insures, owing to mistake is closed the door and caused oblique tongue shift fork to be damaged can not to cause inconvenience to the user with key operated pernicious consequence outdoor.

The purpose of this utility model be solve above-mentioned the deficiencies in the prior art and a kind of anti-drilling, pick-proof be provided, anti-ly draw, the performance of erosion control is good; Lock thickness is thin; The built-in type split theftproof lock of closing the door and still can open door because of mistake after tiltedly tongue is insured outdoor.

For reaching above-mentioned purpose, built-in type split theftproof lock provided by the utility model, comprise tapered end, lock body, liner plate, decorative panel, wherein lock body is contained in the lock housing, lock housing is fixed on the liner plate, and described lock body comprises geared system, main dead bolt, oblique tongue, is connected by a fork between main dead bolt and the oblique tongue, described decorative panel is provided with twists a hand and a knob in one, the tail end of interior stubborn hand conductive sheet is inserted in the hole of the interior stubborn hand shift fork on the lock housing; Described geared system is made up of an active star tooth and a driven star tooth, and driven star tooth is provided with the nail of dialling of the main dead bolt opening and closing of a control; Lock housing is provided with an opening in the corresponding position with active star tooth; Be provided with a tapered end fixed head between described tapered end and the lock housing, the tapered end fixed head becomes " recessed " shape at opening part part pull and stretch, and tapered end is installed in this opening part, and the conductive sheet on the tapered end is passed in the hole of tapered end fixed head insertion active star tooth.After the utility model adopts said structure, tapered end and lock body can carry out split type installation, by the tapered end fixed head tapered end, lock body and door body are connected into an integral body, effectively tapered end is embedded in door body and the lock body, when guaranteeing all kinds of theftproof performances of tapered end, dwindled the thickness of lock body, thereby more can satisfy the requirement of security door built-in lock; With tapered end fixed head through cure process; separate tapered end and lock body; can protect tapered end and lock body effectively the impact failure power of tapered end, lock body being transferred on the tapered end fixed head from the outside, thus improved lock anti-drilling, pick-proof, anti-ly draw, the performance of protecting against shock.

Oblique tongue described in the utility model is provided with safeties, safeties are dialled core and are formed by insurance pulling block, oblique tongue shift fork, square, stage clip, knob, described knob is dialled core and is contained on the lock housing, knob is dialled square, oblique tongue shift fork is housed on the core, wherein be provided with a stage clip between square and the lock housing, tiltedly the tongue shift fork contacts with the insurance pulling block.After tiltedly tongue adopts safeties, be in when locking state when oblique tongue being insured at the state of stretching out with knob, force in the oblique tongue retraction lock body with brute force, insure pulling block can impel oblique tongue shift fork to automatically reset this moment, solved oblique tongue insure the back since mistake close the door cause oblique tongue shift fork be damaged outdoor can not be with key operated malignant problem.

Main dead bolt described in the utility model is made up of upper slide, middle slide plate and lower skateboard, is provided with a torsion spring on middle slide plate.After main dead bolt middle slide plate adopts the torsion spring structure, make the lock opening and closing lighter and handier flexibly.

The utility model is provided with in the junction of interior stubborn hand and decorative panel and twists the hand resetting means in one, and the described interior hand resetting means of twisting is made up of steel ball and spring, and the corresponding position of decorative panel and steel ball is provided with a reset hole.In twist the hand getting resetting means, in making stubborn hand reset accurately, the lighter and handier convenience of switch lock.

In sum, the utility model uses flexibly light and handy, can guarantee all kinds of theftproof performances of tapered end, has dwindled the thickness of lock body again, thereby more can satisfy the requirement of security door to built-in lock; Adopt the tapered end fixed head to separate tapered end and lock body, improved lock anti-drilling, pick-proof, anti-ly draw, the performance of protecting against shock; Lock body can arbitrarily increase upper and lower slide plate, constitute day, the Three-bearing lock, increase the pick-proof of lock, the performance of protecting against shock; The utility model adopts gear drive, makes lock-switch steady, has improved the durability of lock; The utility model also solved oblique tongue insure the back since mistake close the door cause oblique tongue shift fork be damaged outdoor can not be with key operated malignant problem.

Below in conjunction with drawings and Examples structure of the present utility model is further described.

Fig. 1 is a side sectional view of the present utility model;

Fig. 2 is the sectional view of Fig. 1 along the A-A line;

Fig. 3 opens structural representation after the lock housing for the utility model;

Fig. 4 is the sectional view of Fig. 3 along the B-B line.

As Fig. 1,2, shown in 3 and 4, the utility model built-in type split theftproof lock, comprise tapered end 1, lock body 3, liner plate 4, decorative panel 18, wherein lock body 3 is contained in the lock housing 24, lock housing 24 is fixed on the liner plate 4, lock body 3 comprises geared system, main dead bolt 7, oblique tongue 9, main dead bolt 7 with tiltedly be connected by a fork 8 between the tongue 9, decorative panel 18 is provided with and twists a hand 16 and a knob 17 in one, interior tail end of twisting hand 16 conductive sheet is inserted in the hole of the interior stubborn hand shift fork 15 on the lock housing 24, geared system is made up of an active star tooth 12 and a driven star tooth 13, and driven star tooth 13 is provided with dialling of main dead bolt 7 opening and closing of a control and follows closely 14; Lock housing 24 is provided with an opening 27 in the corresponding position with active star tooth 12; Be provided with a tapered end fixed head 2 between tapered end 1 and the lock housing 24, tapered end fixed head 2 becomes " recessed " shape at opening 27 place's part pull and stretch, and tapered end 1 is installed in opening 27 places, and the conductive sheet on the tapered end 1 is passed in the hole of tapered end fixed head 2 insertion active star teeth 12; Tiltedly tongue 9 is provided with safeties, safeties are dialled core 22 and are formed by insurance pulling block 10, oblique tongue shift fork 11, square 21, stage clip 23, knob, knob is dialled core 22 and is contained on the lock housing 24, knob is dialled square 21, oblique tongue shift fork 11 is housed on the core 22, wherein be provided with a stage clip 23 between square 21 and the lock housing 24, tiltedly tongue shift fork 11 contacts with insurance pulling block 10; Main dead bolt 7 is made up of upper slide 25, middle slide plate 5 and lower skateboard 26, is provided with a torsion spring 6 on middle slide plate 5; Be provided with stubborn hand resetting means in the junction of interior stubborn hand 16 and decorative panel 18, interior stubborn hand resetting means is made up of steel ball 19 and spring 20, and decorative panel 18 is provided with a reset hole 28 with the corresponding position of steel ball 19.

During installation, with tapered end fixed head elder generation's rivet clasp correct position in the door body, then tapered end is anchored on the tapered end fixed head with screw, again lock housing in reveal face push-in door body, conductive sheet on the tapered end is inserted in the hole of active star tooth, with screw lock liner plate and lock housing are fastened on tapered end fixed head and the door body, are fastened on the body being connected with interior decorative panel of twisting hand and knob at last, twist the hand conductive sheet in making and be connected driven star tooth and oblique tongue shift fork respectively with the knob conductive sheet.

During use,, control main dead bolt, the tiltedly opening and closing of tongue with key outdoor.Indoor, do the secondary opening and closing with interior stubborn hand control master's dead bolt; Rest on the oblique tongue of knob controlling and to stretch out or retracted position, and oblique tongue is insured when stretching out state, make to be locked in the outdoor use key and can not to open, reach indoor purpose of locking.When the outdoor use key is controlled main dead bolt and is reached third level position, in indoor, twist hand and can not open main dead bolt, reach outdoor purpose of locking.Tiltedly tongue ejects the state of stretching out automatically by spring force, reaches the self-locking behind the door purpose in pass.

Claims (4)

1, a kind of built-in type split theftproof lock, comprise tapered end (1), lock body (3), liner plate (4), decorative panel (18), wherein lock body (3) is contained in the lock housing (24), lock housing (24) is fixed on the liner plate (4), described lock body (3) comprises geared system, main dead bolt (7), oblique tongue (9), main dead bolt (7) with tiltedly be connected by a fork (8) between the tongue (9), described decorative panel (18) is provided with and twists a hand (16) and a knob (17) in one, interior tail end of twisting hand (16) conductive sheet is inserted in the hole of the interior stubborn hand shift fork (15) on the lock housing (24), it is characterized in that: described geared system is made up of an active star tooth (12) and a driven star tooth (13), and driven star tooth (13) is provided with dialling of control main dead bolt (7) opening and closing and follows closely (14); Lock housing (24) is being provided with an opening (27) with active star tooth (12) corresponding position; Be provided with a tapered end fixed head (2) between described tapered end (1) and the lock housing (24), tapered end fixed head (2) is located the part pull and stretch at opening (27) and is become " recessed " shape, tapered end (1) is installed in opening (27) and locates, and the conductive sheet on the tapered end (1) is passed in the hole of tapered end fixed head (2) insertion active star tooth (12).

2, built-in type split theftproof lock as claimed in claim 1, it is characterized in that: described oblique tongue (9) is provided with safeties, safeties are dialled core (22) and are formed by insurance pulling block (10), oblique tongue shift fork (11), square (21), stage clip (23), knob, described knob is dialled core (22) and is contained on the lock housing (24), knob is dialled square (22), oblique tongue shift fork (11) is housed on the core (22), wherein be provided with a stage clip (23) between square (21) and the lock housing (24), tiltedly tongue shift fork (11) contacts with insurance pulling block (10).

3, built-in type split theftproof lock as claimed in claim 1 or 2 is characterized in that: described main dead bolt (7) is made up of upper slide (25), middle slide plate (5) and lower skateboard (26), is provided with a torsion spring (6) on middle slide plate (5).

4, built-in type split theftproof lock as claimed in claim 1, it is characterized in that: be provided with in the junction of interior stubborn hand (16) and decorative panel (18) and twist the hand resetting means in one, twist the hand resetting means in described and be made up of steel ball (19) and spring (20), decorative panel (18) is provided with a reset hole (28) with the corresponding position of steel ball (19).

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