CN2339692Y

CN2339692Y - Electronic telecontrolled anti-theft door lock

Info

Publication number: CN2339692Y
Application number: CN 98243097
Authority: CN
Inventors: 贺建军
Original assignee: Oyster Industry Aquatrc-Farming Trade Co Xiangzhou Fisherman Office Zhuhai Ci
Current assignee: Oyster Industry Aquatrc-Farming Trade Co Xiangzhou Fisherman Office Zhuhai Ci
Priority date: 1998-10-01
Filing date: 1998-10-01
Publication date: 1999-09-22
Anticipated expiration: 2008-10-01

Abstract

The utility model is mainly composed of a mechanical linkage mechanism and an electronic telecontrolled circuit, wherein, the mechanical linkage part is composed of a lock ring arranged on a framework, a lock blot arranged on a door, an unlocking bolt, etc. The utility model is characterized in that a widening shifting fork head is arranged on the front end of a concave port and is always in an overlapping status with the front end of an unlocking bolt; simultaneously, the shifting fork is in the overlapping status with a clamp iron when a lock is in a locking status. The upper end of the clamp iron is coupled together with the movement of an electromagnet; an electromagnet spring resetting the clamp iron and a movably iron core is arranged on the iron core. A fixed shaft pin is arranged in the middle of the clamp iron; the clamp iron can rotate round the shaft pin under the function of the pull of the movably iron core when the lock is unlocked; the shifting fork is released; the lock is unlocked. The utility model has the advantages of small size, simple structure and high reliability.

Description

But a kind of safe-guard door lock of electronic telecontrol

The utility model belongs to the door lock that the building class is used, but relates in particular to a kind of safe-guard door lock of electronic telecontrol.

In the patent No. is 93201495.X, name is called in the patent application document of " two pawl interlocking electronic telecontrol door lock ", a kind of electronic telecontrol safe-guard door lock is provided, it is used as the key of the usefulness of opening the door with hand-held remote controller, only need click remote controller, just send the wireless pulse of coding, the receiver in locking receives and decoding, controls electromagnet again; Make it to start a whole set of mechanical linkage which controls and finish the action of opening the door; At closing time, only need draw door one promptly to finish and lock a door, and effect an insurance.Though it is good that this safe-guard door lock has a theftproof performance, the confidentiality height, advantage such as it is convenient and easy for installation to lock a door, open the door, the overall dimensions of lock is big; In its mechanical linkage which controls, complicated as the crucial electromagnet structure of unblanking, and its suction-combining force is big inadequately; Shift fork will be used the shift fork spring, just can reset smoothly.

The purpose of this utility model is to overcome the deficiency in the above-mentioned technology, and a kind of electronic telecontrol safe-guard door lock simple in structure, more reliable is provided.

The utility model mainly is made up of mechanical linkage which controls and electronic telecontrol circuit two parts.Wherein, mechanical linkage part is formed by being contained in the lock ring on the framework and being contained in the locking bolt on the door, the bolt of unblanking, shift fork, gib, sear, snap close, safety fastener, safety fastener spring, the bolt spring of unblanking, sleeve, locking bolt spring, sear spring, snap close spring, guide rail, the lock ring bottom has an inclined-plane corresponding with locking bolt, be horizontally through a pivot pin on the locking bolt, L shaped sear rotates around this pivot pin, can be turned in the sulculus of opening on the locking bolt always; There is a snap close ring on the inclined-plane of unblanking to have between bolt and the snap close sliding-contact, the top of snap close, and the end of snap close has a safety fastener; Locking bolt and locking bolt spring be sliding extension in a sleeve; It is characterized in that: have one to widen the shift fork head at spill mouth front end, it is in the overlap joint state with the bolt front end of unblanking always, and simultaneously, shift fork and gib are in the overlap joint state when lock is lock-out state; The gib upper end is bound up with the moving iron core of electromagnet, has the electromagnet spring that gib and moving iron core are resetted on the iron core; There is a fixing pivot pin at gib middle part, and gib is subjected to the pulling of moving iron core and rotates around pivot pin when unblanking, and shift fork is released, and lock is opened.

The utility model is door lock that 93201495.X provided at the patent No., mainly partly done 3 improvement in mechanical linkage: (1) changes original two electromagnet into the electromagnet 10 of a Tape movement iron core 17, and its position is moved to the top of locking bolt sleeve 14, simultaneously, wiring board 13 is moved to the lock body rear.Like this, can significantly improve the suction-combining force of electromagnet, its reliability of finishing unlocking action is improved a lot, simultaneously the longitudinal size of lock body be shortened.The armature of magnetize line of force closure function when (2) gib 12 no longer is electromagnetic actuation, but the lever of a transfer torque, transfer torque are reliable more effectively, so gib 12 is changed into one around the fixing lever of pivot pin 26 rotations.(3) the spill mouth front end of shift fork 16 is widened, like this, when the bolt 9 of unblanking resets under the bolt spring 15 of unblanking drives, can be driven shift fork 16 very reliably and reset, and the cancellation of original shift fork spring.

Compared with prior art, the utlity model has following advantage:

1, the lock body size is showing and is dwindling, and helps saving material.

2, the structure of electromagnet is more simple, makes to produce and the assembly technology simplification, and cost of production is minimized.

3, reliability is higher, because the raising of electromagnetic conversion efficient makes the suction-combining force of electromagnet that very big increase be arranged, promptly is that the ELV or the resistance of unblanking have extra increase still can finish unlocking action reliably.

4, cancellation shift fork spring, simplified structure had both reduced cost of production, had improved dependability again.

5, lock a door, open the door and install all and make things convenient for.

Fig. 1 is that the mechanical part of lock is in the front view when not locking state;

Fig. 2 is that the mechanical part of lock is in the vertical view when not locking state;

Front view when Fig. 3 is in the lock state for the mechanical part of locking;

Vertical view when Fig. 4 is in the lock state for the mechanical part of locking.

Below in conjunction with the drawings and specific embodiments the utility model is elaborated.

The utility model mainly is made up of mechanical linkage which controls and electronic telecontrol circuit two parts.Wherein, mechanical linkage part is formed by being contained in the lock ring 1 on the framework and being contained in the locking bolt 23 on the door, the bolt 9 of unblanking, shift fork 16, gib 12, sear 20, snap close 2, safety fastener 7, safety fastener spring 6, the bolt spring 15 of unblanking, sleeve 14, locking bolt spring 25, sear spring 3, snap close spring 4, guide rail 5, the lock ring bottom has an inclined-plane 22 corresponding with locking bolt, be horizontally through a pivot pin on the locking bolt, L shaped sear rotates around this pivot pin, can be turned in the sulculus of opening on the locking bolt always; There is a snap close ring on the inclined-plane of unblanking to have between bolt and the snap close sliding-contact, the top of snap close, and the end of snap close has a safety fastener; Locking bolt and locking bolt spring be sliding extension in a sleeve; It is characterized in that: have one to widen shift fork head 27 at spill mouth front end, it is in the overlap joint state with the bolt front end of unblanking always, and simultaneously, shift fork and gib are in the overlap joint state when lock is lock-out state; The gib upper end is bound up with the moving iron core 17 of electromagnet 10, have electromagnet spring 11 that gib and moving iron core are resetted on the iron core, there is a fixing pivot pin 26 at gib middle part, and gib is subjected to the pulling of moving iron core and rotates around pivot pin when unblanking, shift fork is released, and lock is opened.

As depicted in figs. 1 and 2, when locking a door, Men Yila, locking bolt 23 slides on the inclined-plane 22 of lock ring 1, locking bolt 23 drives sear 20, sear 20 blocks the bolt 9 of unblanking, and it is moved together with the bolt 9 of unblanking, and the bolt 9 of unblanking drives shift fork 16 and rotates around pivot pin 19, the bolt 9 compression bolt spring 15 of unblanking of unblanking, make shift fork 16 and gib 12 overlap joints at last, locking bolt 23 is at 14 li retractions of sleeve, and sear 20 is run into sear pin 18, rotate around pivot pin 21, up to not influencing the resilience of bolt 9 of unblanking, at this moment, under the effect of snap close spring 4, snap close 2 glides along guide rail 5, the pawl of snap close 2 is fallen in the hole of lock ring 1, and safety fastener spring 6 can make safety fastener 7 buckle into to unblank in the square groove 8 of bolt 9, and snap close and insurance action are just finished simultaneously.

As shown in Figure 3 and Figure 4, select the electronic telecontrol circuit of original patent scheme for use, promptly select the encoder of integrated circuit HT-680 for use, select for use LM-358 to select the decoder of HT-681 for use as receiver as shaping circuit as transmitter.When desiring to open the door, press transmitter button, produce in the group coding arteries and veins by encoder, by modulators modulate and launch, after receiver 13 is received pulse signal, by amplifying, decoder decode is given in mixing and shaping, if meet password, then produce a high level by decoder, the control relay conducting gives electromagnet 10 power supplies, and adhesive moving iron core 17 makes gib 12 rotate around pivot pin 26, shift fork 16 is rotated, discharge locking bolt 9, under bolt spring 15 effects of unblanking, the bolt 9 of unblanking promotes snap close 2, itself and lock ring 1 are broken away from, and lock is opened; Simultaneously, the bolt 9 of unblanking promotes shift fork head 27, and shift fork 16 is resetted.After door was open, locking bolt spring 25, sear spring 3, electromagnet spring 11 made locking bolt 23, sear 20 and gib 12 reset respectively.

Claims

But a kind of safe-guard door lock of electronic telecontrol, mainly form by mechanical linkage which controls and electronic telecontrol circuit two parts, mechanical linkage part is formed by being contained in the lock ring on the framework and being contained in the locking bolt on the door, the bolt of unblanking, shift fork, gib, sear, snap close, safety fastener, safety fastener spring, the bolt spring of unblanking, sleeve, locking bolt spring, sear spring, snap close spring, guide rail, the lock ring bottom has an inclined-plane corresponding with locking bolt, be horizontally through a pivot pin on the locking bolt, L shaped sear rotates around this pivot pin, can be turned in the sulculus of opening on the locking bolt always; There is a snap close ring on the inclined-plane of unblanking to have between bolt and the snap close sliding-contact, the top of snap close, and the end of snap close has a safety fastener; Locking bolt and locking bolt spring be sliding extension in a sleeve; It is characterized in that: have one to widen the shift fork head at spill mouth front end, it is in the overlap joint state with the bolt front end of unblanking always, and simultaneously, shift fork and gib are in the overlap joint state when lock is lock-out state; The gib upper end is bound up with the moving iron core of electromagnet, has the electromagnet spring that gib and moving iron core are resetted on the iron core; There is a fixing pivot pin at gib middle part, and gib is subjected to the pulling of moving iron core and rotates around pivot pin when unblanking, and shift fork is released, and lock is opened.