CN212002715U - Lock core and lock body with code reading function - Google Patents
Lock core and lock body with code reading function Download PDFInfo
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- CN212002715U CN212002715U CN201922204796.3U CN201922204796U CN212002715U CN 212002715 U CN212002715 U CN 212002715U CN 201922204796 U CN201922204796 U CN 201922204796U CN 212002715 U CN212002715 U CN 212002715U
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Abstract
The utility model discloses a lock core and a lock body with code reading function, which comprises a lock shell, a lock liner and a key which is matched with the lock liner and is provided with an ID chip, wherein the lock core also comprises a PCB circuit board and a solenoid; the upper and lower sides of the lock liner are respectively provided with an upper dustproof sheet and a lower dustproof sheet, a detection probe and a code reading probe are also arranged in the lock shell, and the upper dustproof sheet or the lower dustproof sheet is also provided with a code sheet conduction probe which is elastically contacted with an ID chip on a key; electrodes on the PCB circuit board pass through the detection probe, the lock casing, the lock courage and go up dustproof piece or the combination of dustproof piece down, form a closed circuit by key on-off control, when the key jack of lock courage inserted the key, go up dustproof piece or dustproof piece touch detection probe's the return circuit closure that opens the door down, the PCB circuit board is formed with the detection signal that someone opened the door, and take notes and save, solve the operation of present intelligent lock industry lock core unknown problem to and the problem is opened to mechanical lock core technique.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a tool to lock trade, more specifically the utility model relates to a lock core and lock body of sign indicating number function are read in area are related to.
[ background of the invention ]
The existing fingerprint anti-theft lock needs to be provided with a back door under the safety standard of an industry standard, namely, the lock can be directly unlocked by using a key under the condition of power failure or emergency. In order to meet the specification, the fingerprint anti-theft lock generally uses a mechanical lock cylinder or an electronic lock cylinder, and a user can turn a lock head to unlock the lock by inserting a proper key through the mechanical lock head; the mode has great potential safety hazard, lawless persons can easily use the 'back door' to bypass the fingerprint function, and can easily open the lock by directly using a master key or some technical opening skills, and the mechanical key is opened without signal transmission, so that the lock cannot acquire unlocking information, a user cannot acquire the information of the opened lock, effective detection cannot be realized, the problems of uncontrollable unlocking, no record, no traceability, no real-time supervision, low safety and the like of the mechanical mode exist, and great potential safety hazard is brought; adopt electronic type tapered end, the mode that is solenoid or motor shutting usually, the default sets up to the shutting state, and under the default position promptly, solenoid one end can stretch into the lock core inslot, restriction lock core rotation, and this kind of mode can't satisfy the safety standard again, and the user can't directly unblank with the key under outage or other abnormal conditions.
Therefore, the industry needs a lock which can meet the safety standard, avoid potential safety hazards and prevent lawbreakers from unlocking easily.
[ Utility model ] content
In order to solve above technical difficulty, the utility model provides a simple structure, control are convenient, can satisfy the safety standard, can avoid the potential safety hazard again, supervise in real time and save the record to the unblock mode, are convenient for trace back the inquiry, effectively improve safety and reliability, prevent lock core and lock body of code reading function in the area that lawless persons unblanked easily.
The utility model provides a technical scheme that its technical problem adopted is:
a lock core with a code reading function comprises a lock shell and a lock liner arranged in the lock shell, wherein a key insertion hole matched with a key in an insertion manner is formed in the center of the lock liner, and the key insertion hole is provided with a key which is matched with the lock liner and is provided with an ID chip;
the lock core also comprises a PCB circuit board which is arranged on the lock shell and used for sensing that a key is inserted into a key jack of the lock liner to form a closed loop signal and reading an ID code in an ID chip;
the upper side and the lower side of the key jack inlet end of the lock core are respectively provided with an upper dustproof sheet and a lower dustproof sheet which are self-opened and used for sealing the key jack and preventing dust from entering, the lock core on the upper side and the lower side of the corresponding key jack inlet end is respectively provided with a slip sheet limiting groove used for installing the upper dustproof sheet and the lower dustproof sheet, and the bottom in the limiting groove of the upper side slip sheet and the lower side slip sheet of the lock core is also respectively provided with a self-expanding spring which can automatically seal the key jack and can push the upper dustproof sheet and the lower dustproof sheet to move relatively;
a detection probe with one end electrically connected with one electrode on the PCB circuit board and the other end elastically contacted with the upper dustproof sheet or the lower dustproof sheet retreating and abdicating when a key is inserted into the lock liner is arranged in the lock shell;
the upper dustproof sheet or the lower dustproof sheet is also provided with a code reading probe which is elastically contacted with the rear end part of the code chip conduction probe when the key is inserted into the lock liner and is electrically connected with the other electrode on the PCB circuit board, and the other end of the code chip conduction probe is elastically contacted with the rear end part of the code chip conduction probe when the key is inserted into the lock liner and retreats along with the upper dustproof sheet or the lower dustproof sheet;
the lock shell is also internally provided with a solenoid which is electrically connected with the PCB and bounces to prevent the lock cylinder from rotating in a power-on state;
the electrode on the PCB circuit board forms a closed loop controlled by the on-off of a key through the combination of the detection probe, the lock shell, the lock liner and the upper dustproof sheet or the lower dustproof sheet, when a key is inserted into a key jack of the lock liner, the door opening loop of the upper dustproof sheet or the lower dustproof sheet touching the detection probe is closed, and the PCB circuit board forms a detection signal for opening the door by a person and records and stores the detection signal;
the electrodes on the PCB are combined by the chip conduction probe, the code reading probe, the detection probe, the lock shell, the lock liner and the upper dustproof sheet or the lower dustproof sheet to form a closed loop controlled by the on-off of the inserted key, when the key is inserted into the key jack of the lock liner, the upper dustproof sheet or the lower dustproof sheet is pushed by the key, the detection probe is conducted with the upper dustproof sheet or/and the lower dustproof sheet to form a conducting signal, the PCB controls the solenoid to eject the iron core to lock the lock core, meanwhile, the upper end and the lower end of the chip conducting probe on the upper dustproof sheet or the lower dustproof sheet respectively touch the ID chip and the code reading probe, the code reading circuit is closed, the PCB circuit board reads the ID code of the ID chip on the key, if the read ID code is correct, the PCB circuit board controls the solenoid to suck and release the locking of the lock cylinder, when the ID reading code is correct and the mechanical tooth profile of the lock cylinder corresponding to the key is correct, the lock can be unlocked by rotating the key; when the read ID code is incorrect or the mechanical tooth profile of the lock cylinder corresponding to the key is not matched, the solenoid keeps bouncing, so that the key cannot rotate the lock cylinder to unlock.
Furthermore, a through hole convenient for installing the chip conduction probe is formed in the upper dustproof sheet or the lower dustproof sheet.
Furthermore, a circuit electrode on the PCB is connected to the lock shell.
Furthermore, the corresponding upper dustproof sheet in the lock shell is respectively provided with a probe hole for installing the detection probes and the code reading probes which are arranged in parallel, the corresponding upper dustproof sheet overcomes the defect that the outer side edge of the upper dustproof sheet is pushed by the elastic force of a self-expanding spring to contact with the top ends of the detection probes when a key is inserted into a key jack of the lock core along the axial inner side of the lock core, a through hole for facilitating chip conduction and probe installation is further formed in the skirt edge of the upper dustproof sheet, when the key is pulled out of the key jack of the lock core, the skirt edge of the outer side edge of the upper dustproof sheet is separated from the top ends of the detection probes when the key is pushed to open and close the key jack by the elastic force of the self-expanding spring, and the corresponding chip conduction probes are separated from the.
Furthermore, the upper side and lower side sliding piece limiting grooves of the lock cylinder are also internally provided with positioning marbles which are positioned at the rear end of the self-expanding spring and are in sliding contact with the inner wall of a lock cylinder hole for installing the lock cylinder in the lock shell.
A lock body adopts the lock cylinder with the code reading function.
The utility model has the advantages that:
the utility model discloses a be equipped with the PCB circuit board that is used for sensing key cartridge to form the signal of opening the door and reads the sign indicating number circuit signal in the key jack of lock courage on the lock casing, upper dustproof piece or lower dustproof piece touch detecting probe and read the sign indicating number probe and make the return circuit of opening the door and read the sign indicating number circuit closure simultaneously when inserting through the key, PCB circuit board forms the detection signal that someone opened the door, and carry out record and storage, realize the signal transmission to the lock core operation, provide signal support for intelligence lock control lock core, solve the problem that the operation of present intelligence lock industry lock core is unknown; the mechanical unlocking mode is monitored, recorded and stored in real time, tracing and inquiring are facilitated, and safety and reliability are effectively improved.
Meanwhile, the PCB reads the ID code of the ID chip on the key, if the read ID code is correct, and a key insertion signal is available, the solenoid is controlled to suck back for locking, the locking of the lock cylinder is released, and the lock can be unlocked by rotating the key when the ID read code is correct and the mechanical tooth profile of the lock cylinder corresponding to the key is correct; when the read ID code is incorrect or the mechanical tooth profile of the lock cylinder corresponding to the key is not matched, the solenoid keeps bouncing, so that the key cannot rotate the lock cylinder to unlock. The technical unlocking of lawless persons is prevented under the condition that the lock is electrified, so that the safety of the door lock is improved.
The whole code reading detection process is fast, only millisecond-level time difference exists, the situation that the solenoid is not withdrawn timely and opening is not smooth is avoided, and under the condition of no electricity, if a correct key is inserted, the lock plunger also retracts into the lock cylinder, the PCB circuit board cannot work due to no electricity, the solenoid cannot be controlled to bounce, and the lock cylinder can rotate and unlock, so that the safety specification of the industry is met, and the lock can be unlocked by directly using the key under the condition of no electricity. If the key is incorrect, the lock cylinder cannot be rotated to unlock under the condition of power supply or power failure.
[ description of the drawings ]
Fig. 1 is a schematic diagram of the explosion structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
fig. 3 is an enlarged structural view of the upper and lower dust-proof pieces and the chip conduction probe of the present invention.
[ detailed description ] embodiments
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
In the present application, where the contrary is not intended, the use of directional words such as "upper, lower, top and bottom" is generally with respect to the orientation shown in the drawings, or with respect to the component itself in the vertical, perpendicular or gravitational direction; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.
A lock core with a code reading function is shown in figures 1 and 2 and can be applied to various intelligent lock bodies and comprises a lock shell 1 and a lock liner 2 arranged in the lock shell 1, wherein a key insertion hole matched with a key 3 in an inserting manner is formed in the center of the lock liner 2, and the key insertion hole is provided with the key 3 which is matched with the lock liner 2 and is provided with an ID chip; the lock cylinder also comprises a PCB circuit board 4 which is arranged on the lock shell 1 and is used for sensing that the key 3 is inserted into a key jack of the lock cylinder 2 to form a closed loop signal and read an ID code in an ID chip.
Continuing as shown in fig. 1 and fig. 2, the upper and lower sides of the key insertion hole inlet of the lock core 2 are respectively provided with an upper dust-proof piece 5 and a lower dust-proof piece 6 which are self-opened and used for sealing the key insertion hole and preventing dust from entering, the lock core 2 on the upper and lower sides of the corresponding key insertion hole inlet is respectively provided with a slip sheet limiting groove 7 for installing the upper dust-proof piece 5 and the lower dust-proof piece 6, the bottoms of the upper and lower slip sheet limiting grooves 7 of the lock core 2 are respectively provided with a self-expanding spring 8 for pushing the upper dust-proof piece 5 and the lower dust-proof piece 6 to move relatively, and the upper and lower slip sheet limiting grooves 7 of the lock core 2 are respectively provided with a positioning ball 9 which is positioned at the rear end of the self-expanding spring 8 and is in sliding contact with the inner wall of the.
As shown in fig. 1 and fig. 2, a detecting probe 10 is installed in the lock case 1, one end of which is electrically connected with the electrode on the PCB 4, and the other end of which is elastically contacted with the upper dust-proof piece 5 retreated and abducted when the key 3 is inserted into the lock cylinder 2; the electrode on the PCB circuit board 4 is combined through a detection probe 10, a lock shell 1, a lock liner 2 and an upper dustproof sheet 5, a loop electrode on the PCB circuit board 4 is connected to the lock shell 1 to form a closed loop controlled by the on-off of a key 3, when a key jack of the lock liner 2 is inserted into the key 3, the upper dustproof sheet 5 touches the door opening loop of the detection probe 10 to be closed, and the PCB circuit board 4 forms a detection signal for opening the door by a person and records and stores the detection signal;
in addition, as shown in fig. 1 to 3, the upper dust-proof sheet 5 is further provided with a code reading probe 12, one end of which is electrically connected with the other electrode on the PCB 4, and the other end of which is in elastic contact with the rear end of the code chip conducting probe 11 when the key 3 is inserted into the lock cylinder 2 and retreats along with the upper dust-proof sheet 5, the code chip conducting probe 11 is used for connection and conduction when the key 3 is inserted into the lock cylinder 2; the lock shell 1 is also internally provided with a solenoid 13 which is electrically connected with the PCB 4 and bounces to prevent the lock cylinder 2 from rotating in a power-on state. The upper side of an upper dustproof sheet 5 corresponding to the lock shell 1 is respectively provided with a probe hole 14 for installing a detection probe 10 and a code reading probe 12 which are arranged in parallel, the corresponding upper dustproof sheet 5 extends along the axial inner side of a lock core 2 to overcome the elasticity of a self-expanding spring 8 when a key 3 is inserted into a key jack of the lock core 2 to push the outer edge of the upper dustproof sheet 5 to be in contact with the top end of the detection probe 10, a through hole 51 convenient for installing a code sheet conduction probe 11 is further arranged on the skirt edge 50 of the upper dustproof sheet 5, and a spring groove 52 convenient for installing and positioning the self-expanding spring 8 is further arranged on the upper dustproof sheet 5 on the front side of the skirt edge 50; when the key 3 is pulled out of the key insertion hole of the lock liner 2, the upper dustproof sheet 5 is pushed by the elastic force of the self-tension spring 8 to open and close the key insertion hole, meanwhile, the skirt 50 at the outer edge of the upper dustproof sheet 5 is separated from contact with the top end of the probe of the detection probe 10, and the corresponding code piece conduction probe 11 is separated from contact with the code reading probe 12.
Thus, the electrodes on the PCB 4 are combined by the chip conducting probe 11, the code reading probe 12, the detection probe 10, the lock shell 1, the lock liner 2 and the upper dustproof sheet 5 to form a closed loop controlled by the on-off of the key 3, when the key 3 is inserted into the key jack of the lock liner 2, the upper dustproof sheet 5 is pushed by the key 3, the detection probe 10 is conducted with the upper dustproof sheet 5 to form a conducting signal, the PCB 4 controls the solenoid 13 to eject the iron core to lock the lock core, simultaneously, the upper end and the lower end of the chip conducting probe 11 on the upper dustproof sheet 5 are respectively contacted with the ID chip and the code reading probe, the code reading circuit is closed, the PCB 4 reads the ID code of the ID chip on the key 3, if the read ID code is correct, the PCB 4 controls the solenoid 13 to attract and release the locking of the lock liner 2, and when the ID code reading is correct and the mechanical tooth profile of the lock liner corresponding to, The lock can be unlocked by rotating the key 3; when the read ID code is incorrect or the mechanical tooth profile of the lock cylinder 2 corresponding to the key 3 is not matched, the solenoid 13 keeps bouncing, so that the key 3 cannot rotate the lock cylinder to unlock.
When the key 3 is inserted, the upper dustproof sheet 5 touches the detection probe 10 and the code reading probe 12 to simultaneously close the door opening loop and the code reading circuit, a detection signal that a person opens the door is formed on the PCB 4, and the detection signal that the person opens the door is formed on the PCB 4 and is recorded and stored, so that signal transmission of lock cylinder operation is realized, signal support is provided for intelligent lock control of the lock cylinder, and the problem that the operation of the lock cylinder of the prior intelligent lock is unknown is solved; the mechanical unlocking mode is monitored, recorded and stored in real time, tracing and inquiring are facilitated, and safety and reliability are effectively improved.
Meanwhile, the PCB 4 reads the ID code of the ID chip on the key 3, and the solenoid is controlled to suck back and lock by a key insertion signal to release the locking of the lock cylinder, and the lock can be unlocked by rotating the key when the ID read code is correct and the mechanical tooth profile of the lock cylinder corresponding to the key is correct; otherwise, the key 3 can not be rotated to unlock; the technical unlocking of lawless persons is prevented under the condition that the lock is electrified, so that the safety of the door lock is improved. And under the condition of no electricity, if the correct key 3 is inserted, the lock plunger can also retract into the lock core, the PCB 4 is not electrified and cannot work, the solenoid 13 cannot be controlled to bounce, and the lock core 2 can rotate and unlock, so that the safety standard of the industry is met, and the lock can be unlocked by directly using the key 3 under the condition of no electricity. If the key 3 is incorrect, whether in the presence of electricity or in the absence of electricity, the lock cylinder cannot be rotated to unlock the lock.
It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
The above-mentioned embodiments are only preferred embodiments of the present invention, not limiting the scope of the present invention, and all equivalent changes made by the shape, structure and principle of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. A lock core with a code reading function comprises a lock shell and a lock liner arranged in the lock shell, wherein a key insertion hole matched with a key in an insertion manner is formed in the center of the lock liner, and the key insertion hole is provided with a key which is matched with the lock liner and is provided with an ID chip; the method is characterized in that:
the lock core also comprises a PCB circuit board which is arranged on the lock shell and used for sensing that a key is inserted into a key jack of the lock liner to form a closed loop signal and reading an ID code in an ID chip;
the upper side and the lower side of the key jack inlet end of the lock core are respectively provided with an upper dustproof sheet and a lower dustproof sheet which are self-opened and used for sealing the key jack and preventing dust from entering, the lock core on the upper side and the lower side of the corresponding key jack inlet end is respectively provided with a slip sheet limiting groove used for installing the upper dustproof sheet and the lower dustproof sheet, and the bottom in the limiting groove of the upper side slip sheet and the lower side slip sheet of the lock core is also respectively provided with a self-expanding spring which can automatically seal the key jack and can push the upper dustproof sheet and the lower dustproof sheet to move relatively;
a detection probe with one end electrically connected with one electrode on the PCB circuit board and the other end elastically contacted with the upper dustproof sheet or the lower dustproof sheet retreating and abdicating when a key is inserted into the lock liner is arranged in the lock shell;
the upper dustproof sheet or the lower dustproof sheet is also provided with a code reading probe which is elastically contacted with the rear end part of the code chip conduction probe when the key is inserted into the lock liner and is electrically connected with the other electrode on the PCB circuit board, and the other end of the code chip conduction probe is elastically contacted with the rear end part of the code chip conduction probe when the key is inserted into the lock liner and retreats along with the upper dustproof sheet or the lower dustproof sheet;
the lock shell is also internally provided with a solenoid which is electrically connected with the PCB and bounces to prevent the lock cylinder from rotating in a power-on state;
the electrode on the PCB circuit board forms a closed loop controlled by the on-off of a key through the combination of the detection probe, the lock shell, the lock liner and the upper dustproof sheet or the lower dustproof sheet, when a key is inserted into a key jack of the lock liner, the door opening loop of the upper dustproof sheet or the lower dustproof sheet touching the detection probe is closed, and the PCB circuit board forms a detection signal for opening the door by a person and records and stores the detection signal;
the electrodes on the PCB are combined by the chip conduction probe, the code reading probe, the detection probe, the lock shell, the lock liner and the upper dustproof sheet or the lower dustproof sheet to form a closed loop controlled by the on-off of the inserted key, when the key is inserted into the key jack of the lock liner, the upper dustproof sheet or the lower dustproof sheet is pushed by the key, the detection probe is conducted with the upper dustproof sheet or/and the lower dustproof sheet to form a conducting signal, the PCB controls the solenoid to eject the iron core to lock the lock core, meanwhile, the upper end and the lower end of the chip conducting probe on the upper dustproof sheet or the lower dustproof sheet respectively touch the ID chip and the code reading probe, the code reading circuit is closed, the PCB circuit board reads the ID code of the ID chip on the key, if the read ID code is correct, the PCB circuit board controls the solenoid to suck and release the locking of the lock cylinder, when the ID reading code is correct and the mechanical tooth profile of the lock cylinder corresponding to the key is correct, the lock can be unlocked by rotating the key; when the read ID code is incorrect or the mechanical tooth profile of the lock cylinder corresponding to the key is not matched, the solenoid keeps bouncing, so that the key cannot rotate the lock cylinder to unlock.
2. The lock core with the code reading function according to claim 1, wherein a via hole for facilitating installation of the chip conduction probe is formed in the upper dust-proof sheet or the lower dust-proof sheet.
3. The lock core with code reading function of claim 1, wherein the circuit electrode on the PCB circuit board is connected to the lock shell.
4. The lock core with the code reading function according to claim 1, wherein probe holes for installing the detection probes and the code reading probes which are arranged in parallel are respectively formed in the lock shell corresponding to the upper side of the upper dust-proof piece, the corresponding upper dust-proof piece extends along the inner axial side of the lock core to overcome the elastic force of the self-expanding spring to push the outer side edge of the upper dust-proof piece to be in contact with the top ends of the detection probes when a key is inserted into the key insertion hole of the lock core, a through hole facilitating installation of the code piece conduction probes is further formed in the skirt edge of the upper dust-proof piece, when the key is pulled out of the key insertion hole of the lock core, the skirt edge of the outer side edge of the upper dust-proof piece is separated from the top ends of the detection probes when the upper dust-proof piece is pushed by the elastic force of the self-expanding spring to.
5. The lock core with the code reading function according to claim 3 or 4, wherein the upper and lower side slide piece limiting grooves of the lock core are further provided with positioning balls which are positioned at the rear end of the self-expanding spring and are in sliding contact with the inner wall of the lock core hole of the lock core mounted in the lock shell.
6. A lock body is characterized in that the lock core with the code reading function is adopted according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204796.3U CN212002715U (en) | 2019-12-10 | 2019-12-10 | Lock core and lock body with code reading function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922204796.3U CN212002715U (en) | 2019-12-10 | 2019-12-10 | Lock core and lock body with code reading function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212002715U true CN212002715U (en) | 2020-11-24 |
Family
ID=73407857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922204796.3U Active CN212002715U (en) | 2019-12-10 | 2019-12-10 | Lock core and lock body with code reading function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212002715U (en) |
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2019
- 2019-12-10 CN CN201922204796.3U patent/CN212002715U/en active Active
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