CN2505560Y

CN2505560Y - Door lock

Info

Publication number: CN2505560Y
Application number: CN 01249575
Authority: CN
Inventors: 潘卫东
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-08-27
Filing date: 2001-08-27
Publication date: 2002-08-14
Anticipated expiration: 2011-08-27

Abstract

The utility model provides a door lock which is improved based on the prior cartridge type handle lock. The door lock can be unlocked and inversely locked in an electronic way, and also can be unlocked in a machinery way by a machinery key. The utility model is characterized in that an electromagnet is arranged in an inner handle tube of a lock body, a moving iron core of the electromagnet is connected with one end of a clip rod, brake discs on the clip rod are inserted into an external handle tube and a brake rotary groove on a lock casing under the status that the electromagnet is not electrified. After an identification control circuit on the lock receives a correct unlocking signal, the electromagnet is attracted, thereby driving the brake discs on the clip rod to withdraw from the brake rotary groove. An electric inverse locking and unlocking switch is arranged inside the lock.

Description

Door lock

The utility model relates to a kind of lock, specifically a kind ofly both can unblank by the electronic recognition control mode, again the door lock that can mechanically unblank by mechanical key.

Along with the development of society, human more becoming frequently of flowing and associate, door lock is also being brought in constant renewal in as requisite safety curtain.Though traditional existing widely used barrel type handle mechanical door lock is simple in structure, low price and reliability are higher, but because it generally can not realize locking, add the indistinguishability between the different keys of the transreplication of mechanical key of use and same lock, use many people under the situation of a lock, in case certain key loss or by bootlegging, or take away and do not give back, all must change lock again, very inconvenient; And the electronically controlled door lock that modern development gets up, as IC-card, radio frequency card door lock, because secret and safe is good, easy to use, add series of advantages such as good function expansibility, just more and more receive an acclaim, yet, pure Electronic Control class door lock is owing to be subjected to factor affecting such as circuit, power supply, breaks down and can't to open the probability of door higher, therefore also makes to apply to be subjected to certain obstruction.

The purpose of this utility model provides a kind of door lock that forms that improves on the basis of existing barrel type handle mechanical door lock, it not only can unblanked by the mode of electronic recognition control at ordinary times, but also can realize that electronics locks; In particular cases can also mechanically unblank at electronic circuit cisco unity malfunction or other by the mechanical key that the cura specialis personnel hold.

The purpose of this utility model is achieved in that it mainly is made of tapered end, mechanical key, outer handle, shell, lock body, electronic recognition Control Component, power supply, retainer plate, inner casing, interior handle, dead bolt etc.; Wherein, in recognition control circuit in the electronic recognition Control Component is installed in, in the shell body, in, outer handle be separately fixed at lock body in, on the outer handle pipe, be equipped with in the handle pipe outside tapered end and link to each other with lock core in the tapered end stir pipe, in the interior handle pipe of lock body, an electromagnet is installed, the moving iron core of electromagnet is connected with an end of kelly, the other end of kelly stretches into by the centre bore of stirring the spring stop piece on the pipe and stirs in the pipe, when electromagnet is not switched on, under the effect of the back-moving spring that links to each other with the moving iron core or the kelly of electromagnet, brake(-holder) block on the kelly inserts in the system turn trough that coordination radially is provided with on outer handle pipe and the lock body shell, do the blocking locking, thereby outer handle can't be rotated, at this moment, only can be by handle in rotating, the shift fork that is provided with on the handle pipe in driving or insert lock core in the mechanical key turns tapered end and drive the shift fork that is provided with on the transmission tube that overlaps in the handle pipe outside and stir slide block and move is realized unblanking thereby dead bolt moves; And after the recognition control circuit of locking receives correct unlocking signal, i.e. output control electric current makes electromagnet produce magnetic force, moving iron core in the electromagnet towards the fixed core direction by adhesive, thereby the brake(-holder) block on the drive kelly withdraws from from the system turn trough, be that rotatable outer handle drive is arranged on shift fork on the handle pipe and stirs slide block and move this moment, move and slide block drives dead bolt, realize unblanking.In addition, in the installed inside of door lock an electron back lock-switch is arranged, press or turn this switch once, recognition control circuit promptly enters locks off position, and can only unblank or unblank by mechanical key this moment by handle in rotating; In lock, be equipped with simultaneously to rotate and remove the unlock switch that electronics is locked, when needs are removed electronics and locked state, just can drive unlock switch and move the electronic recognition control circuit is resumed work thereby only need rotate interior handle by handle responding in.

Because adopt such scheme, the utility model has not only had the performance and the advantage of electronically controlled door lock and mechanical door lock simultaneously, and structure is simple relatively, can adopt the component of existing barrel type handle door lock in a large number, with low cost, be easy to produce.The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is that A-A sectional view (mechanical key unlocking condition) Fig. 3 that main TV structure schematic diagram Fig. 2 of an embodiment of the present utility model is Fig. 1 is that the schematic perspective view Fig. 4 of kelly in the door lock shown in Figure 1 is that plan structure schematic diagram Fig. 5 that door lock shown in Figure 1 is in the locking states down lock body is the plan structure schematic diagram that door lock shown in Figure 1 is in automatically controlled opening down lock body

Among the figure: 1. radio-frequency card, 2. mechanical key, 3. tapered end, 31. lock core, 4. outer handle, 5. casing cover, 6. shell, 61. display floater, 7. power supply, 8. lock body, 81. outer handle pipe, 811. shift fork, 82. stir pipe, 821. shift fork, 822. spring stop piece, 83. slide block, 84. lock body shell, 85. kelly, 851. brake(-holder) block, 86. electromagnet, 861. fixed core, 862. back-moving spring, 863. it is moving unshakable in one's determination, 87. interior handle pipe, 871. shift fork, 88. sliding block spring, 9. Card Reader identification controller, 10. induction antenna, 11. display light source, 12. inner casing, 13. alarm, 14. interior cap, 15. universal mercoid switch, 16. control button, 17. interior handle, 18. retainer plate, 19. dead bolt.

As shown in Figure 1, 2, the utility model mainly is made up of radio-frequency card 1, mechanical key 2, tapered end 3, outer handle 4, shell 6, casing cover 5, Card Reader identification controller 9, induction antenna 10, power supply 7, display light source 11, lock body 8, inner casing 12, interior cap 14, alarm 13, universal mercoid switch 15, control button 16, retainer plate 18, interior handle 17, dead bolt 19 etc.; Wherein lock body 8 then by lock body shell 84, interior handle pipe 87, outer handle pipe 81, electromagnet 86, stir pipe 82, kelly 85, slide block 83, sliding block spring 88 etc. and constitute.After induction antenna 10 is positioned over the nonmetal display floater 61 of shell 6, display floater 61 backs also have display light source 11, the literal that needs that demonstrates by irradiation panel 61, as " Do not disturb " etc., radio-frequency card control

identification circuit plate

9 and 7 of power supplys are placed in the inner casing 12, inner casing 12 is fixed on the door with casing cover 5 by interior cap 14 respectively with shell 6, lock body 8 then is fixed on the door by retainer plate 18, being positioned at handle 17 1 sides at interior handle pipe 87 is equipped with an electronics and locks with control button 16, click this button, then produce a signal of telecommunication, make the radio-frequency card recognition control circuit enter the dormancy off position, make on the shell display floater 61 display light source 11 behind " Do not disturb " printed words bright simultaneously, can only unblank or unblank by mechanical key 2 this moment by handle 17 in rotating, a releasing electronics also is housed in the middle of the handle pipe 87 in this is external locks the universal mercoid switch 15 of usefulness, in case handle 17 in the turn, then make universal mercoid switch 15 inclination conductings, thereby wake radio-frequency card recognition control circuit in the dormancy up by signal code.

Be provided with a side of shift fork 871 at interior handle pipe 87, electromagnet 86 is installed, the fixed core 861 of electromagnet 86 is connected with an end of kelly 85, kelly 85 as shown in Figure 3, brake(-holder) block 851 is arranged on the kelly 85, the other end of kelly 85 stretches into and stirs in the pipe 82 by stirring centre bore on the spring stop piece 822 of pipe on 82, as shown in Figure 4, when door lock is in locking states, electromagnet 86 is not switched on, under the effect of back-moving spring 862, in the system turn trough that brake(-holder) block 851 outer handle pipes 81 of insertion on the kelly 85 and the coordination on the lock body shell 84 radially are provided with, do the blocking locking, thereby outer handle 4 can't be rotated, at this moment, only can be by handle 17 in rotating, the shift fork 87 that is provided with on the handle pipe 87 in driving or use mechanical key 2 to insert lock cores 31 rotations in the tapered ends 3 and drive the shift fork 821 that is provided with on the pipe 82 of stirring that overlaps in the handle pipe 81 outside as shown in Figure 2 and stir slide block 83 and move, thus mobile dead bolt 19 is realized unblanking.

When radio-frequency card 1 skims in certain distance before induction antenna 10, the card internal information that induction antenna 10 will receive passes to Card Reader identification controller 9, after identification is judged as the legal card that can unblank of obtaining the authorization, be 86 conductings of output current control electromagnet, as shown in Figure 5, in the electromagnet 86 moving unshakable in one's determination 863 towards fixed core 861 directions by adhesive, thereby the brake(-holder) block 851 that drives on the kelly 85 withdraws from from the system turn trough, be that 4 drives of rotatable outer handle are arranged on shift fork 811 on the outer handle pipe 81 and stir slide block 83 and move this moment, move and slide block 83 drives dead bolt 19, realize unblanking.Reach certain number of times if illegally show card, then trigger alarm 13 and send chimes of doom.

In the present embodiment, other each component part and the interior handle 17, outer handle 4, mechanical key 2, tapered end 3, tight loop 18 etc. of lock body 8 except that electromagnet 86 and kelly 85 all adopt existing identical component and the form of structure of barrel type handle mechanical door lock.

Claims

1, a kind of door lock mainly is made of tapered end, mechanical key, outer handle, shell, lock body, electronic recognition Control Component, power supply, retainer plate, inner casing, interior handle, dead bolt etc.; Wherein, in recognition control circuit in the electronic recognition Control Component is installed in, in the shell body, in, outer handle be separately fixed at lock body in, on the outer handle pipe, be equipped with in the handle pipe outside tapered end and link to each other with lock core in the tapered end stir pipe, it is characterized in that: in the interior handle pipe of lock body, an electromagnet is installed, the moving iron core of electromagnet is connected with an end of kelly, the other end of kelly stretches into by the centre bore of stirring the spring stop piece on the pipe and stirs in the pipe, the moving iron core of electromagnet or an end of kelly also link to each other with back-moving spring, brake(-holder) block on the kelly system turn trough that coordination radially is provided with on handle pipe and the lock body shell outside electromagnet is not arranged under the "on" position, the electromagnet energising attracting state is next be positioned at outside outside the handle control turn trough.In addition, an electron back lock-switch that makes recognition control circuit enter off position is arranged, and one can be rotated and remove the unlock switch that electronics is locked by handle in responding in the installed inside of door lock.

2, door lock according to claim 1 is characterized in that: a display floater is arranged on the shell, display light source is arranged behind the display floater.