CN208587016U - Passive lock core - Google Patents

Abstract

The claimed passive lock core of the utility model, including lock core body, the locking plate on the lock core body for cooperating with lock body, and the control mechanism for controlling the locking plate and lock body cooperation；The control mechanism includes motor, the cam on the motor axis, and for realizing the cam orientation part circumferentially selectively limited to cam with the cam engagement；The side that the locking plate deviates from the lock body is arranged in the cam, and when the cam orientation part carries out circumferential limit to cam, the cam locks locking plate, and the on the contrary then described cam is realized under motor driven unlocks locking plate.The utility model compared with prior art, not only reduces the energy consumption of the passive lock core, and reduces the use specification of motor, and the size for reducing the passive lock core is played with this, has the function of expanding the use scope of the passive lock core.

Description

Passive lock core

Technical field

The utility model belongs to the relevant technical field of lockset, more particularly to a kind of passive lock core.

Background technique

With the gradual improvement of people's living standard, electronic lock cylinder is because of its intelligentized characteristic, more and more by people Approved.Currently, existing electronic lock cylinder, which is broadly divided into lock core, two major classes in power supply and non-transformer, because lock core has power supply to set The electronic lock cylinder set is unable to satisfy various adverse circumstances, not only monovalent at high cost, needs periodic replacement battery or guarantees outer Power supply uninterrupted power supply is connect, initial installation needs to be routed, and periodically turns to the reasons such as maintenance, the people exited step by step are to electronic lock The rotation scope of core.

Wherein, power free lock core usually by key-powered, and is inserted into the jack of lock core by key, is realized After the matching of ID sealing, to realize to the motor power supply in lock core, then realize to the unlock between lock core and lock body.

Above-mentioned non-transformer lock core meets the use demand of people couple with electronic lock cylinder to a certain extent, however existing Non-transformer lock core in realize that lock core resets locking spring be specifically to be socketed on cam, and in order to realize lock core and lock body Between unlock, need the continued power to motor, realized with realizing motor to the lasting rotate driving of cam so that Existing non-transformer lock core energy consumption is high, needs to be replaced as frequently as the battery in key, simultaneously, because motor driven cam carries out It needs that spring is driven to carry out elastic deformation when rotation, this requires motor to have biggish driving force, so that adopting in non-transformer lock core Motor size is larger, so that the size of corresponding non-transformer lock core is larger, thus will limit non-transformer lock The scope of application of core.

Utility model content

Based on this, it is necessary to for the technical problems in the prior art, provide a kind of passive lock core.

Specifically, a kind of passive lock core, including lock core body, the locking plate on the lock core body for cooperating with lock body, And the control mechanism for controlling the locking plate and lock body cooperation；The control mechanism includes motor, is set to the motor Cam on axis, and for realizing the cam orientation part circumferentially selectively limited to cam with the cam engagement；It is described The side that the locking plate deviates from the lock body is arranged in cam, and when the cam orientation part carries out circumferential limit to cam, The cam locks locking plate, and the on the contrary then described cam is realized under motor driven unlocks locking plate.

As a preferred embodiment of the present invention, the cam orientation part is slidably disposed on the lock core body, and When key is inserted into the jack of the lock core body, cam orientation part described in the key actuated is along inserting perpendicular to the key Enter direction movement, the circumferential direction of the cam is limited so that the cam orientation part releases.

As a preferred embodiment of the present invention, it is provided on the cam orientation part for being matched with snakelike tank on the key Pushing portion, and when key is inserted into the jack of the lock core body, the pushing portion of the cam orientation part is arranged in the key Snakelike tank in, and cooperation is pushed by snakelike tank and pushing portion, drives the cam orientation part edge perpendicular to the key Direction of insertion moved.

As a preferred embodiment of the present invention, elastic reset is provided between the cam orientation part and the lock core body Part, and when key extracts the jack of the lock core body, the cam orientation part drives under the action of the elastic resetting member The cam revolution is so that the cam locks locking plate.

As a preferred embodiment of the present invention, reset pillar is provided on the cam orientation part, and relatively described multiple The positioning convex column of position pillar setting；It is formed with a cavity between reset pillar and the opposite face of the positioning convex column, it is described convex Wheel sets up separately to the lower part to be set in the cavity, wherein being provided on the cam for matching the cam return for resetting pillar Face, and the cam orientation face for matching the positioning convex column, and when the cam orientation part circumferentially limits cam, it is described It resets pillar to stick on the cam return face of the cam, the on the contrary then described cam is under the drive of the motor in the cavity Rotate up to the cam orientation face that the positioning convex column abuts against the cam.

As a preferred embodiment of the present invention, be additionally provided on the cam for the locking plate into line-locked convex High face is taken turns, and the cam bottom surface for being unlocked to the locking plate, and when the cam orientation part is released to the cam When circumferential limit, under the drive of the motor, the cam below the locking plate turns to described the cam from the high face of the cam Cam bottom surface.

As a preferred embodiment of the present invention, cam shockproof part is additionally provided on the lock core body, the cam is shockproof Part has certain elasticity, is plugged on the cam square shaft that the cam is connected with the motor shaft of the motor.

As a preferred embodiment of the present invention, circuit board is provided on the lock core body, and electrical with the circuit board The electric current needle of connection, and when key is inserted into the jack of the lock core body, the electric current needle and the positive grade piece on the key It is electrically connected.

As a preferred embodiment of the present invention, it is provided with safeguard structure on the lock core body, for the lock core body The socket of upper jack is protected.

As a preferred embodiment of the present invention, the safeguard structure includes two circles set on jack on the lock core body Pin, wherein each straight pin is connect each by a spring with the lock core body.

Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art

Passive lock core provided by the utility model when in use, can be limited with circumferential direction of the cam orientation part to cam, be come Make locking of the cam to locking plate, and cam only needs to unlock cam orientation part to the unlock of locking plate and limits to the circumferential direction of cam, and Rotate driving is carried out to cam by motor to realize, so that the passive lock core is when in use, it is only necessary to provide moment electricity to motor The unlock between the passive lock core and lock body can be realized in stream, compared with prior art, reduces the energy consumption of the passive lock core, is convenient for The use of people；Simultaneously, for the passive lock core in unlock, motor only needs band moving cam to be dallied, so that electric Required torque to be offered is smaller at work for machine, compared with prior art, can reduce motor using specification, be played with this The size for reducing the passive lock core has the function of the use scope of the expansion passive lock core.

Detailed description of the invention

Fig. 1 is the exploded view of passive lock core provided by the utility model.

Fig. 2 is cross-sectional view when passive lock core provided by the utility model is not inserted into key.

Fig. 3 is the cross-sectional view that passive lock core provided by the utility model is not inserted into another visual angle when key.

Fig. 4 is cross-sectional view when passive lock core provided by the utility model is inserted into key.

Fig. 5 is the cross-sectional view that passive lock core provided by the utility model is inserted into another visual angle when key.

Fig. 6 is the assembling schematic diagram of motor, cam and cam shockproof part in the utility model.

Fig. 7 is the structural schematic diagram of cam in the utility model.

Fig. 8 is the structural schematic diagram at another visual angle of cam in the utility model.

Fig. 9 is the structural schematic diagram of cam locating piece in the utility model.

Figure 10 is the structural schematic diagram for the key with passive lock core cooperation provided by the utility model.

Wherein, 10, lock core body；11, jack；12, it covers；13, steel ball channel；20, locking plate；21, locking plate spring；22, it locks Piece guide part；30, motor；31, motor shaft；40, cam；41, cam return face；42, cam orientation face；43, the high face of cam； 44, cam bottom surface；45, cam square shaft；50, cam orientation part；51, locating piece ontology；52, pushing portion；53, pillar is resetted；54, Positioning convex column；55, cavity；60, circuit board；70, electric current needle；71, insulation sleeve；80, cam shockproof part；91, straight pin；92, bullet Spring；101, steel ball；200, key；201, snakelike tank；202, side groove；203, positive grade piece；501, dynamic clamping head and quiet clamping head.

Specific embodiment

The claimed passive lock core of the utility model, is specifically powered by key 200, realize the passive lock core with The locking of lock body (not shown) and unlock.

Fig. 1-Figure 10 is please referred to, the passive lock core of the present embodiment includes lock core body 10, is used on the lock core body 10 With the locking plate 20 of lock body cooperation, and the control mechanism for controlling the locking plate 20 with lock body cooperation.

Wherein, the locking plate 20 is protruding relative to 10 part of lock core body, and can be enterprising in the lock core body 10 Capable stretching motion back and forth, and when the locking plate 20 stretches out lock core body 10 and locked by control mechanism, the locking plate 20 stretches out lock The part of core 10 can cooperate with lock body, realize the locking between the lock core body 10 and lock body；And work as the control mechanism solution When except locking to locking plate 20, it can use key 200 and the rotation of lock core body 10 driven, locking plate 20 squeezes lock body, lock body pair The reaction force of locking plate 20 makes locking plate 20 retract lock core body, reaches the unlock between lock core body 10 and lock body with this.It needs to illustrate , conical surface shape is arranged in one end that the locking plate 20 stretches out lock core body 10, because lock core body 10 is rotation connection relative to lock body , when rotating lock core body 10 in this way in lock body, the interaction being convenient between the locking plate 20 of conical surface shape and lock body, just with this In extruding of the lock body to the locking plate 20.

In the present embodiment, locking plate spring 21, the locking plate spring 21 are provided between the locking plate 20 and lock core body 10 Elastic force locking plate 20 can be driven to be resetted.The present embodiment is specifically fixed with locking plate guide part 22, and institute on lock core body 10 It states locking plate 20 and locking plate spring 21 is specifically assemblied on locking plate guide part 22, that is, is specific useful on the locking plate guide part 22 In the rigging position of assembly locking plate 20 and locking plate spring 21, on the one hand it has been convenient for locking plate 20 and locking plate spring 21 in lock core body in this way Assembly on 10, on the other hand the stretching motion back and forth to locking plate 20 on lock core body 10 plays the role of limit, so that lock Piece 20 carries out stretching motion back and forth on the corresponding rigging position of locking plate guide part 22.

It is appreciated that the control mechanism is applied on lock core body 10, be particularly used for carrying out locking plate 20 locking or Unlock, locking or the unlock between the lock core body 10 and lock body are realized with this.

Specifically, the control mechanism includes motor 30, the cam 40 on 30 motor shaft 31 of motor, and is used for It realizes with the cam 40 cooperation to the circumferential cam orientation part 50 selectively limited of cam 40.

Wherein, the cam 40 is specifically the side that the locking plate 20 is arranged in and deviates from the lock body, is preferably provided at lock The lower section of piece 20, in this way when cam orientation part 50 carries out circumferential limit to cam 40, locking plate 20 is because of the cam 40 by lower section Supporting role and cannot retract in lock core body 10, the locking to locking plate 20 is realized with this；Conversely, when cam orientation part 50 releases When limiting to the circumferential direction of cam 40, cam 40 can be rotated under the driving of motor 30, so that cam 40 supports locking plate 20 Be partially disengaged locking plate 20, the unlock to locking plate 20 is realized with this.

In the present embodiment, the cam orientation part 50 can be slidably arranged relative to the lock core body 10, described convex Taking turns locating piece 50 can slide under the driving of key 200 relative to the lock core body 10, and when cam orientation part 50 is by key When moving on lock core body 10, which can release the circumferential direction limit to the cam 40 for 200 driving.

The cam orientation part 50 includes locating piece ontology 51, pushing portion 52 on the locating piece ontology 51, multiple Position pillar 53 and positioning convex column 54, wherein the reset pillar 53 is oppositely arranged with the positioning convex column 54, and the two is opposite A cavity 55 is formed between face.Wherein the locating piece ontology 51 is set as frame structure, and the pushing portion 52 is arranged described Reset the opposite side of pillar 53 and positioning convex column 54 on locating piece ontology 51, and towards the reset pillar 53 and positioning convex column 54 Setting.

It is additionally provided with dynamic clamping head and quiet clamping head 501 between the cam orientation part 50 and the lock core body 10, it is fixed to provide cam Position part 50 resets to the active force of original state, and the dynamic clamping head and quiet clamping head 501 is specifically to be arranged on the cam orientation part 50 Reset pillar 53 on.When key 200 is inserted into the jack 11 of the lock core body 10, the key 200 can drive cam orientation 50 elasticity of compression return unit 501 of part is moved so that cam orientation part 50 along the direction of insertion perpendicular to the key 200 into Row movement, and realize the unlock that circumferentially limits of the cam orientation part 50 to cam 40, and when key 200 extracts the lock core body 10 Jack 11 when, the cam orientation part 50 can then drive the cam 40 to turn round under the action of dynamic clamping head and quiet clamping head 501 So that the cam 40 locks locking plate 20.Wherein the dynamic clamping head and quiet clamping head 501 is preferably spring, is specifically socketed in institute It states on the reset pillar 53 of cam orientation part 50.

Specifically, it is provided with snakelike tank 201 on the key 200, is provided with and is used for and key on the cam orientation part 50 The matched pushing portion 52 of snakelike tank 20 on spoon 200, and when key 200 is inserted into the jack 11 of the lock core body 10, it is described convex The pushing portion 52 of wheel locating piece 50 is located in the snakelike tank 201 of the key 200, and passes through snakelike tank 201 and pushing portion 52 Cooperation is pushed, so that key 200 is when being inserted into the jack 11 of lock core body 10, it is special using the structure of snakelike tank 201 on key 200 Property, drive the cam orientation part 50 to be moved along the direction of insertion perpendicular to the key 20, and then realize that key 200 is right The mobile driving of cam orientation part 50.

In the present embodiment, the cam 40 sets up separately to the lower part sets in the cavity 55.Wherein, on the cam 40 It is provided with for matching the cam return face 41 for resetting pillar 53, and the cam orientation for matching the positioning convex column 54 Face 42, and when the cam orientation part 50 limit circumferential to cam 40, the reset pillar 53 sticks on the cam 40 On cam return face 41, realize that cam 40 cannot be revolved towards the position where reset pillar 53 on cam orientation part 50 with this Turn, and realizes the circumferential direction limit to cam 40.And after the cam orientation part 50 is moved by the driving of key 200, Resetting pillar 53 will follow cam orientation part 50 mobile towards the direction far from cam 40, so that resetting pillar 53 is detached from cam 40 Cam return face 41, that is, relieve cam orientation part 50 to cam 40 circumferential direction limit, such cam 40 can be in motor 30 Driving under the cam orientation face 42 that the positioning convex column 54 abuts against the cam 40 is rotated up in the cavity 55.

Be additionally provided on the cam 40 for the locking plate 20 into the high face 43 of line-locked cam, and for described The cam bottom surface 44 that locking plate 20 is unlocked, wherein the high face 43 of the cam is disposed adjacent with the cam bottom surface 44.And work as institute When stating circumferential limit of the releasing of cam orientation part 50 to the cam 40, the cam 40 is under the driving of motor 30, the lock The cam 40 of 20 lower section of piece will turn to the cam bottom surface 44 from the high face 43 of the cam.That is, working as cam orientation When the cam return face 41 of reset pillar 53 and the cam 40 on part 50 reclines, the high face 43 of the cam of the cam 40 will Locking plate 20 is supported, limitation locking plate 20 is retracted to lock core body 10, and then realizes locking of the cam 40 to locking plate 20；And when convex It takes turns locating piece 50 and is driven by key 200 and moved, and release cam orientation part 50 and the circumferential direction of cam 40 is limited, cam 40 will be Motor 30 is rotated by, so that the cam 40 of 20 lower section of locking plate transforms to cam bottom surface 44 by the high face 43 of cam, at this time then The space that locking plate 20 locks back downwards lock core body 10 is provided, and realizes the unlock to locking plate 20.

It is provided with circuit board 60, and the electric current needle 70 being electrically connected with the circuit board 60 on the lock core body 10, and works as When key 200 is inserted into the jack 11 of the lock core body 10, the electric current needle 70 and 203 electricity of positive grade piece on the key 200 Property connection；The circuit board 60 is specifically to be screwed on the lock core body 10, such screw, circuit board 60 and lock core Body 10 will contact with each other and be connected, and contact with each other when being inserted on lock core body 10 in conjunction with key 200 with lock core body 10, in turn It realizes and cathode electric connection is contacted with each other and formed between circuit board 60 and key 200, on such key 200 and lock core body 10 The formation closed circuit being electrically connected between circuit board 60, so that battery can be powered to motor 30 on key 200, and available Electronic program on circuit board 60 realizes that key 200 and the passive lock core carry out the comparison of key, when key 200 is passive with this Lock core key compares successfully, then carries out rotate driving to cam 40 with regard to controllable motor 30, then again by rotation key 200 come Realize the unlocking of the passive lock core；On the contrary then motor 30 will not generate the rotate driving to cam 40, that is to say, that locking plate 20 is also It is to be locked by cam 40, can not achieve the unlocking to the passive lock core.

In the present embodiment, implementing the electric current needle 70 that passive lock core and key 200 are electrically connected is that setting exists Electric current needle, is arranged in the outside of lock core body 10 by the inside of the lock core body 10 compared with prior art, is played to electric current needle 70 Effect is effectively protected, the electric connection between key 200 and the passive lock core is ensured with this.Further, the electric current Insulation sleeve 71 is also socketed on needle 70, for protecting to electric current needle 70.

From the foregoing, it will be observed that key 200 will be realized after the jack 11 for being inserted into the lock core body 10 to cam orientation part 50 Mobile driving, that is, cam orientation part 50 will release the circumferential direction limit to cam 40.When key 200 compare with passive lock core it is close When key is incorrect or 30 no power of motor, at this point, if there is lockset of the external force to the passive lock core taps, cam 40 In the case of a shock, it may can rotate and locking plate 20 is unlocked, that is to say, that a possibility that there are violence unlocks.

For this purpose, the present embodiment specifically sets cam square shaft 45 for cam 40 and 30 motor shaft 31 of motor assembly position, and The passive lock core of the present embodiment is additionally provided with cam shockproof part 80 on lock core body 10, and the cam shockproof part 80 has certain bullet Property, it is specifically plugged on the cam square shaft 45 that the cam 40 is connected with the motor shaft 31 of the motor 30, and utilize convex Wheel shockproof part 80 carries out circumferential limit to 40 overhead cam square shaft 45 of cam, to ensure that cam 40 can't sent out under by vibration situation Raw rotation, that is to say, that solve the problems, such as that violence unlocks.Meanwhile because cam shockproof part 80 itself has certain elasticity, make The present embodiment passive lock core when carrying out rotate driving to cam 40 with motor 30, motor 30 to the active force of cam 40 compared with Greatly, the elastic deformation of cam shockproof part 80 can be overcome to realize the rotate driving to cam 40.Wherein, the cam shockproof part 80 Preferably U-shaped bolt.

As a preferred embodiment of the present invention, the passive lock core of the utility model is additionally provided with protection on lock core body 10 Structure is protected for the socket to jack 11 on the lock core body 10, prevents the foreign matters such as dust from entering to the lock core body 10 Jack 11 and cause the blocking of the jack 11.

Specifically, the safeguard structure includes two straight pins 91 set on jack 11 on the lock core body 10, wherein often A straight pin 91 is connect each by a spring 92 with the lock core body 10.That is, key 200 is being not inserted into the lock core body When 10 jack 11, the jack 11 of the lock core body 10 is to be sheltered from by two straight pins 91, and be somebody's turn to do when key 200 is inserted into When the jack 11 of lock core body 10, key 200 will push 91 compressed spring 92 of straight pin, and then realize key 200 relative to described Safeguard structure is inserted into the jack 11 of the lock core body 10 on lock core body 10.Of course the lock core it should be noted that the present embodiment Capping 12 is additionally provided on body 10, the capping 12 is that lid is located on the lock core body 10, is specifically used for that the lock core will be set to Safeguard structure on body 10 in jack 11 is limited, that is to say, that the jack 11 of lock core body 10 is arranged in the safeguard structure On open end, and it is capped 12 and limits, and the key bit of the key 200 is specifically configured to cone structure.

It further include two steel balls on the passive lock core of the utility model as another preferred embodiment of the utility model 101, the corresponding steel ball channel 13 opened up for assembling two steel balls 101 on the lock core body 10, correspondingly, on key 200 Concave side slot 202 there are two opening up, and work as key 200 and be inserted into the jack 11 of the lock core body 10, and realize to lock core body 10 When rotation driving, steel ball 101 will be caught in two concave side slots of the key 200 under the driving of lock body by two steel balls 101 On 202, and realize the limit to key 200 in the lock core body 10, playing prevents key 200 from pulling out out of this lock core body 10 Out, the use habit of people has been met.It should be noted that being offered on the inner sidewall for the lock body that the passive lock core is used cooperatively For placing the steel-ball groove (not shown) of two steel balls 101, and the steel ball when the passive lock core rotates in lock body, on lock body Slot will be detached from steel ball 101, and driving steel ball 101 is caught in the concave side slot 202 on key 200, and is realized to key 200 in the nothing Limit in the lock core of source.

To sum up, passive lock core provided by the utility model when in use, can be limited with circumferential direction of the cam orientation part to cam Position, to make locking of the cam to locking plate, and cam only needs to unlock cam orientation part to the unlock of locking plate and limits the circumferential direction of cam Position, and rotate driving is carried out to cam to realize, so that the passive lock core is when in use by motor, it is only necessary to wink is provided to motor Between electric current the unlock between the passive lock core and lock body can be realized reduce the energy consumption of the passive lock core compared with prior art, Convenient for the use of people；Simultaneously, for the passive lock core in unlock, motor only needs band moving cam to be dallied, and makes Torque to be offered needed for obtaining motor at work is smaller, and compared with prior art, can reduce motor uses specification, with This plays the size for reducing the passive lock core, has the function of expanding the use scope of the passive lock core.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (10)

1. a kind of passive lock core, it is characterised in that: the lock including lock core body, on the lock core body for cooperating with lock body Piece, and the control mechanism for controlling the locking plate and lock body cooperation；The control mechanism includes motor, is set to the motor electricity Cam on arbor, and for realizing the cam orientation part circumferentially selectively limited to cam with the cam engagement；Institute It states cam and the side that the locking plate deviates from the lock body is set, and when the cam orientation part carries out circumferential limit to cam When, the cam locks locking plate, and the on the contrary then described cam is realized under motor driven unlocks locking plate.

2. passive lock core according to claim 1, it is characterised in that: the cam orientation part is slidably disposed on described On lock core body, and when key is inserted into the jack of the lock core body, cam orientation part described in the key actuated along perpendicular to The direction of insertion of the key is mobile, limits so that the cam orientation part is released to the circumferential direction of the cam.

3. passive lock core according to claim 2, it is characterised in that: be provided with and be used for and key on the cam orientation part The upper matched pushing portion of snakelike tank, and when key is inserted into the jack of the lock core body, the pushing portion of the cam orientation part is set It sets in the snakelike tank of the key, and cooperation is pushed by snakelike tank and pushing portion, drive the cam orientation part along vertical Directly moved in the direction of insertion of the key.

4. passive lock core according to claim 2, it is characterised in that: set between the cam orientation part and the lock core body It is equipped with dynamic clamping head and quiet clamping head, and when key extracts the jack of the lock core body, the cam orientation part is in the dynamic clamping head and quiet clamping head Under the action of drive cam revolution so that the cam locks locking plate.

5. passive lock core according to claim 1, it is characterised in that: it is provided with reset pillar on the cam orientation part, And the relatively described positioning convex column for resetting pillar setting；One is formed between reset pillar and the opposite face of the positioning convex column Cavity, the cam sets up separately to the lower part to be set in the cavity, wherein being provided on the cam convex for matching the reset The cam return face of column, and the cam orientation face for matching the positioning convex column, and when the cam orientation part is to cam week To when limit, the reset pillar is sticked on the cam return face of the cam, driving of the on the contrary then described cam in motor Under the cam orientation face that the positioning convex column abuts against the cam is rotated up in the cavity.

6. passive lock core according to claim 5, it is characterised in that: be additionally provided on the cam for the locking plate Cam bottom surface into the high face of line-locked cam, and for being unlocked to the locking plate, and when the cam orientation part releases When limiting to the circumferential direction of the cam, under the drive of the motor, the cam below the locking plate is high from the cam for the cam Face turns to the cam bottom surface.

7. passive lock core according to claim 1, it is characterised in that: cam shockproof part is additionally provided on the lock core body, The cam shockproof part has certain elasticity, is plugged in the cam square shaft that the cam is connected with the motor shaft of the motor On.

8. passive lock core according to claim 1, it is characterised in that: be provided with circuit board on the lock core body, and with institute The electric current needle of circuit board electric connection is stated, and when key is inserted into the jack of the lock core body, the electric current needle and the key Positive grade piece on spoon is electrically connected.

9. passive lock core according to claim 1, it is characterised in that: be provided with safeguard structure on the lock core body, be used for The socket of jack on the lock core body is protected.

10. passive lock core according to claim 9, it is characterised in that: the safeguard structure includes being set to the lock core body Two straight pins of upper jack, wherein each straight pin is connect each by a spring with the lock core body.