CN2444034Y

CN2444034Y - Latche type burglar-proof lock

Info

Publication number: CN2444034Y
Application number: CN 00225781
Authority: CN
Inventors: 宋先标
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-10-11
Filing date: 2000-10-11
Publication date: 2001-08-22
Anticipated expiration: 2010-10-11

Abstract

The utility model discloses an insertion core type anti-theft lock which comprises a lock main body, a lock bolt unlocking device and an inclined bolt unlocking device. The utility model is characterized in that the lock bolt unlocking device and the inclined bolt unlocking device are arranged outside the lock main body. An advancing plate is fixedly connected to a lock bolt. An expansion sliding pin and a contraction sliding pin are fixedly arranged on the advancing plate. An upper pull rod and a lower pull rod are clamped between the expansion sliding pin and the contraction sliding pin. One end of the upper pull rod, one end of the lower pull rod and the lock body are in sliding connection. The other ends are connected with a multiple lock. Thus, the multiple lock is locked or unlocked while the door lock is locked or unlocked. The use is convenient. The lock main body is narrow, and can be inlaid into a door integrally. The connection strength of the lock and the door is high.

Description

The core-inset type theftproof lock

The utility model relates to a kind of core-inset type mechanical anti-theft lock.

Used core-inset type lock because tapered end is installed in the lock body, has limited the volume of tapered end, causes the size of key of tapered end lower, and the lock body volume is bigger, and lock body is difficult to be installed in the door, can only be installed on the outer side of door, and therefore, anti-impact force is not strong.In order to strengthen shock resistance, existing widely used anti-forcing open the door all installed two locks, and wherein one is door lock, another is a world lock, use cumbersome, Fa Ming automatic locking in recent years, integrate door lock and world lock function, easy to use, but to anti-having relatively high expectations of forcing open the door, if installation deviation is bigger, close behind the door, dead bolt not necessarily is locked into the position, people can't understand dead bolt again and whether be locked into the position, the formation falseness is locked, and therefore, has influenced anti-pick-proof performance of forcing open the door.

It is narrower that the purpose of this utility model provides a kind of lock main body, and the lock main body can wholely embed in the door, integrates door lock and world lock function, also can feel whether dead bolt is locked into the core-inset type mechanical anti-theft lock of position simultaneously.

For finishing above-mentioned purpose, the utlity model has the lock main body, dead bolt opening device and oblique tongue opening device three major parts, the lock main body comprises the lock body that is box-like, with the supporting locking closure of lock body, be installed in the dead bolt transmission mechanism of a side in the lock case and the dead bolt of extended lock body, the opposite side in lock case is equipped with oblique tongue rod, be enclosed within the oblique tongue spring on the oblique tongue rod, be fixedly connected on the oblique tongue and the secondary oblique tongue rod that is installed in the same side in the lock case of oblique tongue rod one end and extended lock body, be enclosed within the secondary tiltedly tongue spring on the secondary oblique tongue rod, be fixedly connected on the secondary tiltedly tongue of secondary oblique tongue rod one end; The dead bolt opening device comprise tapered end, and tapered end be installed in turning round handle, being installed in tapered end and the tapered end turned round between the handle is dialled hairpin of same axle center; Tiltedly the tongue opening device comprises handle, is connected with handle and can dials hairpin with the square bar of the synchronous rotation of handle and the square bar that is installed on the square bar; On the lock body sidewall that dead bolt transmission mechanism one side is installed, have tapered end and dial the hairpin hole, on the lock body sidewall that oblique tongue one side is installed, have square bar and dial the hairpin hole, it is corresponding that tapered end is dialled the position that hairpin hole and square bar dial the hairpin hole, the locking closure or the lock body outside of dialling hairpin hole correspondence position at tapered end are installed with fixed head, the lock body both sides are stretched out at the two ends of fixed head, dial and be installed with the dead bolt opening device on the fixed head of hairpin hole one side having tapered end on the lock body, its tapered end is dialled hairpin and is extend into tapered end and dial in the hairpin hole, the termination that tapered end is dialled hairpin contacts with dead bolt, dial and be installed with oblique tongue opening device on the fixed head of hairpin hole one side having square bar on the lock body, its square bar is dialled hairpin and is extend into square bar and dial in the hairpin hole.

Above-mentioned core-inset type theftproof lock, the maximum length that its secondary tiltedly tongue stretches out lock body is longer than oblique tongue, on oblique tongue rod, be fixedly connected with an interlock panel seat, the both sides of interlock panel seat are designed to guide rail, " Lu " font is formed in last hole that has on the interlock plate and two holes, following hole, the both sides design in following hole has the guide rail that matches with interlock panel seat both sides guide rail, interlock plate is installed on the interlock panel seat by guide rail, interlock plate interlock panel seat relatively moves up and down, between interlock panel seat and interlock plate, spring is installed, the elastic force of this spring promotes interlock plate and upwards slides, the base in the hole restriction interlock plate ultimate range of slippage that makes progress under the interlock plate, the base in hole extends to form protruding hook to a side under the interlock plate, with the secondary oblique tongue rod of the protruding hook of interlock plate corresponding position on design the one protruding hook that matches is with it arranged.

Above-mentioned core-inset type theftproof lock, the end of its dead bolt in lock case is fixedly connected with advancing plate, on advancing plate, have an elongated hole, the length of this elongated hole matches with the distance that dead bolt moves, the central lines of its center line and lock body, pivot pin is fixedly mounted on the lock body, pivot pin passes the elongated hole on the advancing plate, about this elongated hole, be installed with shrinking slide nail on the advancing plate of both sides, on the advancing plate of elongated hole center line extended line, be installed with and open sliding nail, upper connecting rod and lower link are clipped in respectively to open between sliding nail and the elongated hole upside shrinking slide nail and open and slide between nail and the elongated hole downside shrinking slide nail, the one end is formed hinge with pivot pin and is connected, the other end is installed with a sliding nail respectively, on the correspondence position of lock body two side, have draw-bar seat hole, the world, world draw-bar seat is inserted in the draw-bar seat hole, the world on the lock body, has an elongated hole on the draw-bar seat of the world, and the sliding nail of upper connecting rod and lower link one end is inserted in respectively in the elongated hole on the draw-bar seat of the world.

Above-mentioned core-inset type theftproof lock, there is boss the termination of its upper connecting rod and pivot pin link, and when dead bolt stretches out lock body when the longest, this boss withstands on the oblique tongue rod termination.

Because the dead bolt opening device of the utility model core-inset type theftproof lock and oblique tongue opening device design are in the lock main body outside, therefore locking main body can be designed to narrower, make in the whole easily embedding door of lock main body, so just increased the bonding strength of lock main body, improved the impact resistance of locking with door.

Because the utility model theftproof lock is after interlock plate hooks secondary oblique tongue rod, tiltedly tongue and secondary tiltedly tongue are connected as a single entity, and square bar is dialled hairpin and stirred that interlock plate drives oblique tongue and secondary tiltedly tongue retreats, because the length that secondary tiltedly tongue stretches out lock body is longer than oblique tongue, therefore, at closing time, secondary tiltedly tongue is run into doorframe earlier and is contracted backward, secondary oblique tongue rod and interlock plate are thrown off, at this moment, square bar is dialled hairpin and is stirred interlock plate and only can drive oblique tongue and retreat, and can not drive secondary tiltedly tongue and retreat, therefore, close the door and just can finish the function of locking a door automatically by the oblique tongue of pair.

Because the utility model core-inset type theftproof lock is to drive world dead bolt by dead bolt by advancing plate, driving world dead bolt in the time of switch door lock stretches out or indentation, therefore, not only realized a purpose that key is opened door lock and world lock simultaneously, simultaneously, experiencing world dead bolt on the key and whether be locked into position when people can be from switch door lock, the falseness of avoiding automatic locking the to lock a door phenomenon of locking.

An embodiment of the present utility model now is described in detail in detail in conjunction with the accompanying drawings.

Figure 1 shows that the utility model core-inset type theftproof lock rolls over the schematic diagram of decorative panel, back shroud.

Fig. 2 rolls over decorative panel, turns round the schematic diagram of handle and handle for shown in Figure 1 core-inset type theftproof lock.

Fig. 3 is the A-A sectional view of core-inset type theftproof lock shown in Figure 1.

As shown in the figure, the utility model core-inset type theftproof lock comprises the lock main body, dead bolt opening device and oblique tongue opening device three be part mostly, the lock main body comprises: the lock body [24] that is square box shaped, on lock body [24], following both sides have that tapered end is dialled the hairpin hole and square bar is dialled the hairpin hole, front end at lock body [24] is installed with side panel [25], secondary side panel [26] is fixedly mounted on the doorframe, dead bolt [1] is installed in upside in lock body [24] box, advancing plate [20] is fixedly connected on an end of dead bolt [1] and can moves with dead bolt [1], on advancing plate [20], have an elongated hole, the length of this elongated hole matches with the distance that dead bolt [1] moves, the central lines of its center line and lock body [24], pivot pin [19] is fixedly mounted on the lock body [24], pivot pin [19] passes the elongated hole on the advancing plate [20], about this elongated hole, be installed with shrinking slide nail [12] on the advancing plate [20] of both sides, advancing plate [20] on elongated hole center line extended line is installed with and opens sliding nail [17], on, lower link [16] is clipped in respectively to open between sliding nail [17] and the elongated hole upside shrinking slide nail [12] and open and slides between nail [17] and the elongated hole downside shrinking slide nail [12], on, one end of lower link [16] is formed hinge with pivot pin [19] and is connected, go up a boss in addition at the upper connecting rod [16] of this end, the other end is installed with a sliding nail [15] respectively, on the correspondence position of lock body [24] two side, have draw-bar seat hole, the world, world draw-bar seat [14] is inserted in this hole, on world draw-bar seat [14], an elongated hole is arranged, sliding nail [15] is inserted in this hole, on dead bolt [1], also be connected with dead bolt transmission mechanisms such as big sharp plate, at lock body [24] box inner underside oblique tongue rod [2] and secondary oblique tongue rod [9] are installed, at the fixedly connected oblique tongue of an end of oblique tongue rod [2] [3], on oblique tongue rod [2], be set with oblique tongue spring [10], on oblique tongue rod [2], also be installed with interlock panel seat [6], when last, after lower link [16] draws in, one end of oblique tongue rod [2] withstands on the boss of upper connecting rod [16] termination, the oblique tongue of the fixedly connected pair of an end [4] at secondary oblique tongue rod [9], on secondary oblique tongue rod [9], be set with secondary tiltedly tongue spring [11], also design has a protruding hook on secondary oblique tongue rod [9], the both sides design of interlock panel seat [6] has guide rail, " Lu " font is formed in last hole that has on the interlock plate [5] and two holes, following hole, in the design of the both sides in following hole the guide rail that matches with interlock panel seat [6] two side rails is arranged, interlock plate [5] is installed on the interlock panel seat [6] by guide rail, and interlock panel seat [6] moves up and down relatively, between interlock panel seat [6] and interlock plate [5], spring [32] is installed, limit the upwards ultimate range of slippage of interlock plate [5] under the interlock plate [5] between the base in hole and interlock panel seat [6] bottom, when interlock plate [5] when upwards slippage is to the extreme higher position, the last end face of interlock plate [5] is concordant with the upper side of dead bolt [1], extends to form a protruding hook on the base, following hole of interlock panel seat [5] to a side, protruding hook on this protruding hook and the secondary oblique tongue rod [9] is supporting, locking closure [28] is fixed on the lock body [24] by bolt [18], is installed with fixed head [21] on locking closure [28], and the length of fixed head [21] is greater than the width of lock body [24], install at lock body [24] on the fixed head [21] of a side of dead bolt [1] the dead bolt opening device is installed, this device comprises tapered end [22], is installed in turning round handle [29] and being installed in tapered end [22] and the tapered end turned round between the handle [29] is dialled hairpin [23] on tapered end [22] axial line, and the end that tapered end is dialled hairpin [23] contacts with dead bolt [1], design has anti-lock device [30] turning round on handle [29] axle also, [24 are equipped with oblique tongue opening device on by the fixed head [21] of adorning oblique tongue [3] one sides, and this device comprises handle [13], are connected with handle [13] and can the square bar [8] of rotation and the square bar that is installed on the square bar [8] be dialled hairpin [7] synchronously with handle [13] at lock body, and the return spring [27] that is sleeved on the last drive of square bar [8] handle [13] return, the end that square bar is dialled hairpin [7] stretches into the square bar of lock body [24] downside and dials in the hairpin hole, can contact with interlock plate [5], and the utility model core-inset type theftproof lock has also designed front trim panel [31] and back decorative panel [33], handle [13] is installed in respectively on front trim panel [31] and the back decorative panel [33], turns round handle [29] and is installed on the back decorative panel [33].When the utility model core-inset type theftproof lock is installed, will lock in the whole embedding door of main body, secondary side panel [26] is fixed on the doorframe.The process of locking is: close the door---contract after secondary dead bolt [4] is at first run into doorframe---interlock plate 5] and protruding hook on protruding hook and the secondary dead bolt bar [9] throws off---and door is closed and is put in place; Tiltedly tongue [3] and secondary oblique tongue [4] are at separately spring [10], [11] effect is stretched in the hole of doorframe down, at this moment, square bar is dialled hairpin [7] and is stirred interlock plate [5] and can only drive oblique tongue [3] and retreat, can not drive secondary tiltedly tongue [4] retreats, therefore, can't open door with handle [13],---by tapered end [22] or turn round handle [29] drive tapered end and dial hairpin [23] rotation---tapered end is dialled hairpin [23] and is oppressed interlock plate [5] on the one hand and glide, make protruding hook on the interlock plate [5] hook protruding hook on the secondary oblique tongue rod [9], stirring dead bolt [1] on the other hand moves forward and stretches in the doorframe lockhole,---dead bolt drives advancing plate [20] reach when mobile forward---opened sliding nail [17] and moved forward with advancing plate [20],---on, lower link [16] opens,---world draw-bar seat [14] stretches out lock body [24]---world dead bolt stretches in the lockhole of the doorframe world, the anti-lock device [30] that to turn round on the handle [29] is locked, at this moment, use the key can't rotational lock head outdoors, in this state, one end of oblique tongue rod [2] withstands on the boss of upper connecting rod [16] termination, and square bar is dialled and contracted after hairpin [7] can't be stirred oblique tongue [3].The process of unblanking is: open anti-lock device [30]---drives tapered end and dials hairpin [23] and rotate with turning round handle [29] or key and---stir on the one hand and be reduced to concordant with lock body [24]---moving behind the drive advancing plate [20] when contracting behind the dead bolt [1]---shrinking slide nail [12] behind the dead bolt [1] and move in the compressing after along with advancing plate [20], lower link [16] gathering---world draw-bar seat [14] draws in lock body [24]---is contracted in the dead bolt of the world and is withdrawed from doorframe world lockhole, tapered end is dialled hairpin compressing interlock plate [5] and is moved down on the other hand, make protruding hook on the interlock [5] hook protruding hook on the secondary oblique tongue plate [9],---rotate handle [13] drive square bar and dial hairpin [7] rotation,---square bar dial hairpin [7] stir interlock plate [5] move---promotes to contract behind oblique tongue [3] and the secondary oblique tongue [4] and withdraws from the doorframe lockhole,---pushing the door open---decontrols handle [13], under return spring [27] effect, handle [13] return---oblique tongue [3], secondary tiltedly tongue [4] stretches out lock body [24].

The utility model core-inset type theftproof lock can also be designed to that the maximum length that oblique tongue stretches out lock body is longer than secondary oblique tongue, and then the interlock panel seat is fixed on the secondary oblique tongue rod, the protruding hook that matches with protruding hook on the interlock plate in design one on the oblique tongue rod.

Claims

1. core-inset type theftproof lock, has the lock main body, dead bolt opening device and oblique tongue opening device three major parts, the lock main body comprises the lock body that is box-like, with the supporting locking closure of lock body, be installed in the dead bolt transmission mechanism of a side in the lock case and the dead bolt of extended lock body, the opposite side in lock case is equipped with oblique tongue rod, be enclosed within the oblique tongue spring on the oblique tongue rod, be fixedly connected on the oblique tongue and the secondary oblique tongue rod that is installed in the same side in the lock case of oblique tongue rod one end and extended lock body, be enclosed within the secondary tiltedly tongue spring on the secondary oblique tongue rod, be fixedly connected on the secondary tiltedly tongue of secondary oblique tongue rod one end; The dead bolt opening device comprise tapered end, and tapered end be installed in turning round handle, being installed in tapered end and the tapered end turned round between the handle is dialled hairpin of same axle center; Tiltedly the tongue opening device comprises handle, is connected with handle and can dials hairpin with the square bar of the synchronous rotation of handle and the square bar that is installed on the square bar; It is characterized in that: on the lock body sidewall that dead bolt transmission mechanism one side is installed, have tapered end and dial the hairpin hole, on the lock body sidewall that oblique tongue one side is installed, have square bar and dial the hairpin hole, it is corresponding that tapered end is dialled the position that hairpin hole and square bar dial the hairpin hole, the locking closure or the lock body outside of dialling hairpin hole correspondence position at tapered end are installed with fixed head, the lock body both sides are stretched out at the two ends of fixed head, dial and be installed with the dead bolt opening device on the fixed head of hairpin hole one side having tapered end on the lock body, its tapered end is dialled hairpin and is extend into tapered end and dial in the hairpin hole, the termination that tapered end is dialled hairpin contacts with dead bolt, dial and be installed with oblique tongue opening device on the fixed head of hairpin hole one side having square bar on the lock body, its square bar is dialled hairpin and is extend into square bar and dial in the hairpin hole.

2. core-inset type theftproof lock according to claim 1, it is characterized in that: the maximum length that secondary tiltedly tongue stretches out lock body is longer than oblique tongue, on oblique tongue rod, be fixedly connected with an interlock panel seat, the both sides of interlock panel seat are designed to guide rail, " Lu " font is formed in last hole that has on the interlock plate and two holes, following hole, the both sides design in following hole has the guide rail that matches with interlock panel seat both sides guide rail, interlock plate is installed on the interlock panel seat by guide rail, interlock plate interlock panel seat relatively moves up and down, between interlock panel seat and interlock plate, spring is installed, the elastic force of this spring promotes interlock plate and upwards slides, the base in the hole restriction interlock plate ultimate range of slippage that makes progress under the interlock plate, the base in hole extends to form protruding hook to a side under the interlock plate, with the secondary oblique tongue rod of the protruding hook of interlock plate corresponding position on design the one protruding hook that matches is with it arranged.

3. core-inset type theftproof lock according to claim 1 and 2, it is characterized in that: the end of dead bolt in lock case is fixedly connected with advancing plate, on advancing plate, have an elongated hole, the length of this elongated hole matches with the distance that dead bolt moves, the central lines of its center line and lock body, pivot pin is fixedly mounted on the lock body, pivot pin passes the elongated hole on the advancing plate, about this elongated hole, be installed with shrinking slide nail on the advancing plate of both sides, on the advancing plate of elongated hole center line extended line, be installed with and open sliding nail, upper connecting rod and lower link are clipped in respectively to open between sliding nail and the elongated hole upside shrinking slide nail and open and slide between nail and the elongated hole downside shrinking slide nail, the one end is formed hinge with pivot pin and is connected, the other end is installed with a sliding nail respectively, on the correspondence position of lock body two side, have draw-bar seat hole, the world, world draw-bar seat is inserted in the draw-bar seat hole, the world on the lock body, have an elongated hole on the draw-bar seat of the world, the sliding of upper connecting rod and lower link one end followed closely in the elongated hole that is inserted in respectively on the draw-bar seat of the world.

4. core-inset type theftproof lock according to claim 3 is characterized in that: there is boss the termination of upper connecting rod and pivot pin link, and when dead bolt stretches out lock body when the longest, this boss withstands on the oblique tongue rod termination.