CN2849065Y - New type mechanical and electronic composite lock - Google Patents

Abstract

The utility model relates to a novel mechanical and electronic composite lock which comprises a bottom plate, an electronic lock and a slide plate which can expand and contract in a horizontal direction, wherein the slide plate is spaced by an actuating mechanism of the electronic lock; the actuating mechanism of the electronic lock comprises a motor arranged on the bottom plate, a transmission mechanism linked with a motor output shaft, a first spacing switch, a second spacing switch and a telescopic shaft which slides vertically, wherein the first and the second spacing switches by which the rotation of the motor is controlled are matched with the transmission mechanism, the telescopic shaft is supported on a support frame of the bottom plate and sheathed with a spring which forces the head part of the telescopic shaft to have the trend of outward extension, and a pressing plate corresponding to the second spacing switch is fixed on the tail part of the telescopic shaft and positioned beyond the support frame. When the motor is in an initial state, the first spacing switch is controlled by the transmission mechanism. The second spacing switch is controlled by the transmission mechanism through the pressing plate when the transmission mechanism is disengaged from the first spacing switch. Because the working stroke of the motor is half of the total stroke, and only the reaction force of the spring needs to be overcome during the operation, the novel mechanical and electronic composite lock has the advantages of electricity saving and less power consumption. The diameter of the telescopic shaft can be enlarged to reinforce the anti-impact force and to enhance the theft proof performance of a strong box.

Description

A kind of new mechanical electron recombination lock

Technical field

The utility model relates to a kind of lockset that uses on strongbox, safety cabinet or the national treasury door of valuables of depositing, and especially refers to a kind of mechanical and electronic compound lock.

Background technology

The existing lockset that is used for strongbox, safety cabinet or national treasury door adopts the compound safety lock with machinery and the combined use of electronic lock mostly, its middle slide plate can link with mechanical lock or the handle on the strongbox, and it is spacing by the executing agency of electronic lock, and the execution unit of electronic lock adopts electromagnet and reducible armature thereof usually, as China Patent No. for " a kind of combined mechanoelectric lock " of " 02215701.8 " just disclosed so a kind of scheme.When electromagnet under power failure state, its armature is overhanging, be used for intercepting slide plate in contract, promptly slide plate is carried out spacing, thereby the door of strongbox can't be opened and be in the state that closes that closes.Have only after confirmation such as the password of electronic lock or fingerprint, the electromagnet energising, armature inhaled and in contract, at this moment, electronic lock is removed the locking to slide plate, rotates strongbox key or handle outward, makes and contracts in the slide plate, can open safe door.

Also there is the employing micromachine in the executing agency of above-mentioned electronic lock, promptly realizes spacing to slide plate by directly stretching of motor shaft core.But no matter adopt above-mentioned the sort of mode, in the process of unblanking, electromagnet and micromachine are in running order always, obviously, such working method had not only taken electricity but also power consumption is big, simultaneously, is subjected to the restriction of power consumption, armature and motor the axle core can not make too thick, thereby cause armature and the axle core the impact difference and influence theftproof performance.Secondly, when safe door pins, armature or motor shaft core are in the state of stretching out by a corresponding spacing hole always, if the user attempted key before unlocking electronic lock or handle comes moving slide board, particularly on some large-scale strongboxs, because the arm of force is oversize or firmly excessive, tends to electromagnet armature or motor shaft core are damaged, and make the executing agency of whole electronic lock malfunctioning.Moreover, after the head of armature or axle core is overhanging, there is not any shelter again, after the lock core of mechanical lock or handle are by artificial destruction at its head, can can stir the head of armature easily with instruments such as iron wires by the lock core hole that exposed, make and contract in it and reach the purpose of unblanking.In addition, the base plate of lockset is usually without specially treated, and the robber can influence theftproof performance with its destruction by instruments such as electric drills.

Summary of the invention

Technical problem to be solved in the utility model is the situation at prior art, a kind of not only power saving is provided but also makes the novel mechanical electron recombination lock that theftproof performance is good.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this novel mechanical electron recombination lock comprises base plate, be arranged on electronic lock and slide plate on the base plate, it is flexible that its middle slide plate can be made horizontal direction, and it is spacing by the executing agency of electronic lock, and the executing agency of electronic lock comprises the motor that is installed on the base plate, it is characterized in that: described electronic lock executing agency also comprises the transmission mechanism that links with motor output shaft, cooperate first of control motor rotation with transmission mechanism, second limit switch and being supported on the mount holder and the vertical telescopic shaft that slides, on this telescopic shaft, be with and force the spring of the overhanging trend of its head to stop that slide plate is current, and the afterbody of telescopic shaft be fixed be positioned at outside the support and with the corresponding pressing plate of second limit switch, when described motor is under the original state, above-mentioned transmission mechanism moves in first limit switch, and described transmission mechanism moves in second limit switch by described pressing plate when breaking away from first limit switch.

Described transmission mechanism can be installed on the motor output shaft and the cam between described first limit switch and pressing plate for one; Also can adopt the conventional kind of drive such as gear, tooth bar.

Described first, second limit switch can adopt travel switch, link with motor after wherein the constant open contact of second limit switch is connected in series with the constant close contact of first limit switch, and the constant open contact of first limit switch directly is connected in series mutually with described motor.Certainly first, second limit switch also can adopt other switches such as light-operated switch.

Preferably be provided with inner offseting on the described base plate and the outer end is exposed to the emergency rod outside the base plate side, with the usefulness of doing to meet an urgent need with pressing plate.On the support rear wall, be good simultaneously, contract in telescopic shaft excessively preventing to be provided with the gag lever post that runs through pressing plate.

As further improvement of the utility model, described support is the U type, form the U type passage that allows the tail flanging current between itself and the sidewall of the bottom plate, and be respectively equipped with corresponding spacing hole on this U type passage two side, the head of described telescopic shaft is overhanging and can insert in this two spacing hole.

As another kind of improvement the of the present utility model, outside described sidewall of the bottom plate, be provided with the cover plate that can cover spacing hole, make it have the anti-function of dialling; Simultaneously base plate is carried out carburizing or Quenching Treatment, make it have anti-drilling function.

Compared with prior art, advantage of the present utility model is: because the impulse stroke of motor only accounts for its total kilometres half, and during work, the reaction force that only need overcome spring gets final product, thereby its to use be power saving, power consumption is little again, and on this basis, can strengthen the diameter of telescopic shaft, improve the theftproof performance of strongbox to strengthen its resistance power.Secondly, the head of telescopic shaft is stretching out under the state, and it is bearing on the two side of U type passage, can improve the impact that it can bear greatly, thereby has prolonged the application life of electronic lock, has guaranteed the reliability of work.Moreover, the cover plate that outside spacing hole, is provided with, can prevent that other parts are impaired after, make in the armature by the mode of stirring and to contract, thereby make it have the anti-function of dialling.In addition, base plate by heat treatments such as carburizing or quenchings after, be difficult for being destroyed, thereby make and the utlity model has better theftproof performance by instruments such as electric drills.

Description of drawings

Fig. 1 be among the utility model embodiment under original state the structural representation of cam action when first limit switch;

Fig. 2 is the three-dimensional exploded view of Fig. 1;

Fig. 3 is among the utility model embodiment, the contact of cam disengages first limit switch and move structural representation when second limit switch by pressing plate;

Fig. 4 is arranged on circuit diagram in the motor power loop for first, second limit switch among the utility model embodiment;

Fig. 5 is the structural representation (unlocking condition) of Fig. 1 cam after rotating 180 °.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

As depicted in figs. 1 and 2, this mechanical and electronic compound lock comprises base plate 2, is arranged on electronic lock and slide plate 1 on the base plate 2, and wherein, base plate 2 has anti-drilling function through over carburizing or Quenching Treatment to improve hardness.Mechanical lock on slide plate 1 and the strongbox or handle link and make horizontal direction and stretch, and its afterbody has a flanging 11, can be spacing by the executing agency 3 of electronic lock.And the executing agency 3 of electronic lock comprises the motor 31 that is installed on the base plate 2, the transmission mechanism that links with motor output shaft, cooperate first limit switch 33, second limit switch 34 that the control motor rotates with transmission mechanism and be supported on the mount holder 4 and the vertical telescopic shaft 35 that slides, the head of this telescopic shaft is thicker, outside its main body, be with a spring 36, one end of this spring 36 is butted on support 4 inwalls, and the other end is butted on the head step surface of telescopic shaft 35, makes its head have overhanging trend all the time; And the afterbody of telescopic shaft 35 be fixed with one be positioned at outside the support 4 and with second limit switch, 34 corresponding pressing plates 37.In the present embodiment, above-mentioned transmission mechanism adopts the cam 32 that is installed on the motor output shaft, and between first limit switch 33 and pressing plate 37.And first, second limit switch adopts conventional travel switch, when motor 31 is under the original state, the contact of the above-mentioned cam 32 and first limit switch 33 offsets, promptly move in first limit switch 33, and when cam 32 breaks away from the contact of first limit switch 33, by pressing plate 37 be butted on second the limit switch 34 contact, promptly move in second limit switch 34, as shown in Figure 3.

In the present embodiment, in order to prevent that telescopic shaft 35 is broken in the operating process, support 4 is designed to the U type, form the U type passage that allows tail flanging 11 current between itself and base plate 2 sidewalls, be respectively equipped with corresponding spacing hole 41,21 on this U type passage two side simultaneously, so that flexible 35 ones of spindle noses can insert in this two spacing hole simultaneously, when stopping that slide plate 1 is current, also make it can bear bigger impact and improve theftproof performance.In addition, also be provided with the cover plate 5 that can cover spacing hole, the head of telescopic shaft 35 is no longer exposed and can't be struck, thereby have the well anti-function of dialling in the base plate 2 sidewalls outsides.

Can can't normally open when considering electronic lock because of non-transformer or fault, base plate is provided with inner offseting with pressing plate 37 and the outer end is exposed to the emergency rod 6 outside base plate 2 sides, when needing, as long as promote emergency rod 6, can make in the telescopic shaft 35 by pressing plate 37 and contract, and realize unblanking.Simultaneously be provided with the gag lever post 7 that runs through pressing plate 37 on support 4 rear walls, here, this gag lever post 7 adopts stop screws, and when being reduced to certain position in the telescopic shaft 35, the head of pressing plate 37 limited bars 7 supports, and contracts to stop in telescopic shaft 35 further.

During use, above-mentioned two limit switches are serially connected in the electric power loop of motor 31, its circuit as shown in Figure 4, promptly the constant close contact of the constant open contact of second limit switch 34 and first limit switch 33 serial connection back links to each other with motor 31, and the constant open contact of first limit switch 33 is direct and motor is in series.When initial position, because the contact of cam 32 and first limit switch 33 offsets, at this moment, the constant open contact closure of first limit switch 33, and constant close contact disconnection.After confirmation such as the password of electronic lock or fingerprint, supply voltage is by the constant open contact of above-mentioned first limit switch 33, make motor 31 energising runnings, driving cam 32 rotates, when cam 32 breaks away from the contact of first limit switch 33, overcome the reaction force of spring 36, promote pressing plate 37, make in the telescopic shaft 35 and contract, and push the contact of second limit switch 34, make 34 actions of second limit switch by pressing plate 37, it is its constant open contact make and break, at this moment, supply voltage is by the constant open contact of second limit switch 34, behind the constant close contact of first limit switch 33, motor 31 is rotated further, when cam 32 rotates 180 °, reach position as shown in Figure 5, at this moment, contract in the head of telescopic shaft 35 is complete, removed locking to slide plate 1, as long as open mechanical lock or turning handle, drive in the slide plate 1 and move, can reach the purpose of opening safety chamber door.

When safe door is under the opening, because this moment, the head and the slide plate 1 of telescopic shaft 35 offseted, be that pressing plate 37 still offsets with the contact of second limit switch 34, the constant open contact of second limit switch 34 still is in closure state, at this moment, supply voltage is delayed time, and (this time can be as required in output in 4 seconds, changing chip program is provided with arbitrarily), motor 31 is rotated further 180 ° under non-loaded situation, when cam 32 reached initial position, the contact with first limit switch 33 offseted again, the constant close contact of the limit switch 33 of winning is disconnected, the time of power settings also arrives simultaneously, and promptly motor 31 stops operating, and is in initial wait state.Need at closing time this moment, only need backward rotation key or handle, slide plate 1 skids off from the telescopic shaft 35 that props up, telescopic shaft 35 is under the effect of spring 36 restoring forces, return to again under the nature at first, promptly the head of telescopic shaft 35 exposes, slide plate 1 can not in contract, have only when by the time instructing, motor 31 could rotate and open next time.Go round and begin again like this, realize power saving, antitheft purpose.

Claims (7)

1, a kind of novel mechanical electron recombination lock, it comprises base plate (2), be arranged on electronic lock and slide plate (1) on the base plate, it is flexible that its middle slide plate (1) can be made horizontal direction, and it is spacing by the executing agency (3) of electronic lock, and the executing agency of electronic lock (3) comprises the motor (31) that is installed on the base plate, it is characterized in that: described electronic lock executing agency also comprises the transmission mechanism that links with motor output shaft, cooperate first of control motor rotation with transmission mechanism, second limit switch (33,34) and be supported on that mount holder (4) is gone up and the vertical telescopic shaft (35) that slides, on this telescopic shaft, be with and force the overhanging spring (36) of its head to stop that slide plate (1) is current, and the afterbody of telescopic shaft (35) be fixed be positioned at outside the support (4) and with the corresponding pressing plate of second limit switch (34) (37), when described motor (31) is under the original state, above-mentioned transmission mechanism moves in first limit switch (33), and described transmission mechanism moves in second limit switch (34) by described pressing plate (37) when breaking away from first limit switch (33).

2, novel mechanical electron recombination according to claim 1 lock is characterized in that: described transmission mechanism be one be installed on the motor output shaft and be positioned at described first limit switch (33) and pressing plate (37) between cam (32).

3, novel mechanical electron recombination lock according to claim 2, it is characterized in that: described first, second limit switch (33,34) adopts travel switch, link with motor (31) after wherein the constant open contact of second limit switch (34) is connected in series with the constant close contact of first limit switch (33), and the constant open contact of first limit switch (33) directly is connected in series mutually with described motor (31).

4, novel mechanical electron recombination according to claim 1 lock is characterized in that: described base plate is provided with inner offseting with pressing plate and the outer end is exposed to the emergency rod (6) outside the base plate side.

5, novel mechanical electron recombination lock according to claim 1, it is characterized in that: described support rear wall is provided with the gag lever post (7) that runs through pressing plate.

6, according to the described novel mechanical electron recombination lock of the arbitrary claim of claim 1 to 5, it is characterized in that: described support (4) is the U type, form the U type passage that allows tail flanging (11) current between itself and the sidewall of the bottom plate, and be respectively equipped with corresponding spacing hole on this U type passage two side, the head of described telescopic shaft (35) is overhanging and can insert in this two spacing hole.

7, novel mechanical electron recombination lock according to claim 6 is characterized in that: be provided with the cover plate (5) that can cover spacing hole outside described sidewall of the bottom plate.

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