CN216588135U - Double-encryption electronic lock - Google Patents
Double-encryption electronic lock Download PDFInfo
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- CN216588135U CN216588135U CN202122687837.6U CN202122687837U CN216588135U CN 216588135 U CN216588135 U CN 216588135U CN 202122687837 U CN202122687837 U CN 202122687837U CN 216588135 U CN216588135 U CN 216588135U
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Abstract
The utility model provides a double-encryption electronic lock which comprises a key and a lock body, wherein the lock body comprises a lock cylinder lock sleeve and a lock tongue, the lock sleeve comprises an outer lock sleeve and an inner lock sleeve, the lock cylinder comprises a front section and a rear section, one end, far away from the lock tongue, of the inner lock sleeve abuts against the front section, one end, far away from the lock tongue, of the front section is provided with a key hole, the side wall of the key hole is provided with a positioning groove and a marble groove, the inner lock sleeve is provided with a marble hole, the marble groove and the marble hole which correspond to each other are mutually communicated, marble holes are respectively arranged in each marble component, the rear section is provided with an electromagnetic locking unit, the key comprises a lock rod, and the periphery of the lock rod is provided with a positioning block and a pushing surface. The pin tumbler assemblies are arranged on the side wall of the key hole and are arranged in an annular mode, and meanwhile the electromagnetic locking unit is arranged on the rear section of the lock cylinder, so that the structure is compact, and the occupied space is relatively small.
Description
Technical Field
The utility model relates to a lockset, in particular to a double-encryption electronic lock.
Background
The lock is a common anti-theft tool, the traditional lock is a mechanical anti-theft lock generally, the lock can be unlocked only by rightly moving a lock cylinder through a key, and the anti-theft requirements of people cannot be met in the aspects of technical unlocking prevention and violent unlocking prevention.
The chinese patent application with publication number CN1156208A discloses a double-safety lock controlled by both mechanical and electromagnetic ways, wherein the mechanical part of the lock is a common pin tumbler lock, and because each pin tumbler component of the common pin tumbler lock is usually arranged on the lock core in a straight line, the electromagnetic part of the lock can only be arranged beside or behind the lock core, resulting in a relatively large volume of the whole lock.
In view of the above, the applicant has made an intensive study on the structure of the dual-encryption electronic lock, and has made the present disclosure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a double-encryption electronic lock with relatively small volume.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a double-encryption electronic lock comprises a key and a lock body which are matched with each other, wherein the lock body comprises a lock core, a lock sleeve sleeved on the lock core and a lock tongue fixedly connected to one end of the lock core, the lock sleeve comprises an outer lock sleeve and an inner lock sleeve which is fixedly arranged relative to the outer lock sleeve and is positioned in the outer lock sleeve, the lock core comprises a front section which is rotatably connected in the outer lock sleeve and a rear section which is inserted in the inner lock sleeve, the front section and the rear section are integrally connected, the lock tongue is fixedly connected to one end of the rear section, which is far away from the front section, one end of the inner lock sleeve, which is far away from the lock tongue, is abutted against the front section, one end of the front section, which is far away from the lock tongue, is provided with a key hole, the side wall of the key hole is provided with a positioning groove and a plurality of bullet grooves, and the inner lock sleeve is provided with bullet holes which are linearly arranged one-to-one, the key comprises a lock rod, and the periphery of the lock rod is provided with a positioning block matched with the positioning groove and a plurality of pushing surfaces respectively matched with the bullet components in a one-to-one manner.
As an improvement of the present invention, the ball component includes a front ball slidably connected in the ball groove, a rear ball abutting against an end of the front ball facing the lock tongue, and a ball spring abutting against an end of the rear ball away from the front ball, and an end of the ball spring away from the rear ball abuts against a bottom of the ball hole.
As an improvement of the present invention, the outer periphery of the lock rod is provided with a plurality of guide grooves respectively matched with the spring assemblies one to one, one end of each guide groove is provided with a guide opening at the end face of one end of the lock rod, and the groove wall of the other end forms the pushing surface.
As an improvement of the present invention, one end of each of the ball grooves, which is far away from the corresponding ball hole, forms a ball opening at an end face of one end of the front section, which is far away from the rear section, and the outer lock sleeve is fixedly or integrally connected with an annular end face plate covering each of the ball openings.
As an improvement of the present invention, a lock hole communicated with an inner hole of the inner lock sleeve is formed in a side wall of the inner lock sleeve, the rear section has an inner cavity, a counter bore arranged corresponding to the lock hole is formed in the rear section, the electromagnetic locking unit includes a control circuit board and an electromagnetic coil which are respectively fixedly connected in the inner cavity and electrically connected with each other, one end of the electromagnetic coil faces the counter bore, a permanent magnetic lock column is slidably connected in the lock hole, a magnetic pole of one end of the permanent magnetic lock column facing the rear section is the same as a magnetic pole of one end of the electromagnetic coil facing the counter bore, one end of the permanent magnetic lock column far away from the rear section is also abutted against a return spring, and one end of the return spring far away from the permanent magnetic lock column is abutted against the outer lock sleeve.
As an improvement of the utility model, the bottom of the keyhole is inserted with a contact pin electrically connected with the control circuit board, the key further comprises a holding head fixedly connected with one end of the lock rod, a power supply is arranged in the holding head, a contact piece matched with the contact pin is arranged at one end of the lock rod far away from the holding head, and the contact piece is electrically connected with the power supply.
As an improvement of the utility model, a signal magnet is embedded in the inner lock sleeve, a Hall sensor matched with the signal magnet is arranged in the inner cavity, and the Hall sensor is electrically connected with the circuit board.
As an improvement of the utility model, the inner cavity is filled with sealant.
As an improvement of the utility model, the control circuit board is provided with a control chip and an avalanche diode electrically connected with the control chip, and the contact pin is electrically connected with the control chip.
By adopting the technical scheme, the utility model has the following beneficial effects:
1. the spring assemblies are arranged on the side wall of the key hole and are arranged in a ring shape, and meanwhile, the electromagnetic locking unit is arranged on the rear section of the lock cylinder, so that the structure is compact, and the occupied space is relatively small.
2. The electromagnetic locking unit provided by the utility model drives the permanent magnetic lock cylinder to act by utilizing the principle that like poles of magnetism repel each other, the lock hole and the counter bore matched with the permanent magnetic lock cylinder are not communicated with the inner cavity and the key hole of the lock cylinder, so that the electromagnetic locking unit is difficult to be illegally opened by an unlocking tool, and the safety is relatively high.
3. Through setting up the power on the key, usable key supplies power, and need not to set up the power for electromagnetism condensation unit, not only can avoid normally unblanking because of the outage influence, can improve the security moreover.
4. By arranging the avalanche diode, the electronic key can be prevented from being illegally cracked, and the safety performance is further improved.
Drawings
FIG. 1 is a schematic structural diagram of a lock cylinder in the embodiment;
FIG. 2 is a sectional view of the lock core in the embodiment;
FIG. 3 is a schematic structural view of a key according to an embodiment;
fig. 4 is a schematic diagram of a partial circuit structure of the control circuit board in the embodiment.
The designations in the figures correspond to the following:
10-a key; 11-a locking bar;
12-a holding head; 13-positioning blocks;
14-pushing the noodles; 15-a guide groove;
16-contact piece; 20-a lock body;
30-a lock cylinder; 31-the preceding paragraph;
32-rear section; 33-keyhole;
34-a positioning groove; 35-a marble groove;
36-lumen; 40-a lock sleeve;
41-outer lock sleeve; 42-inner lock sleeve;
43-annular end panels; 44-a signal magnet;
45-Hall sensor; 50-a bolt;
60-an bullet assembly; 61-front marble;
62-rear marbles; 63-spring springs;
70-an electromagnetic locking unit; 71-a control circuit board;
71 a-a control chip; 71 b-avalanche diode;
71 c-a varistor;
72-a solenoid coil; 73-permanent magnet lock cylinder;
74-a return spring; 75-stylus.
Detailed Description
The utility model is further described with reference to the following figures and specific embodiments.
As shown in fig. 1-3, the present embodiment provides a double-encryption electronic lock, which includes a key 10 and a lock body 20 that are matched with each other, wherein the key 10 includes a lock rod 11 and a holding head 12 fixedly connected to one end of the lock rod 11, the lock body 20 includes a lock cylinder 30, a lock sleeve 40 sleeved on the lock cylinder 30, and a lock tongue 50 fixedly connected to one end of the lock cylinder 30, and the structure of the lock tongue 50 is the same as that of a conventional lock, which is not the focus of the present embodiment, and will not be described in detail here.
The lock sleeve 40 includes an outer lock sleeve 41 and an inner lock sleeve 42 which is relatively fixedly arranged with the outer lock sleeve 41 and is located in the outer lock sleeve 41, specifically, the outer lock sleeve 41 and the inner lock sleeve 42 may be directly fixedly connected, or may be simultaneously fixedly connected to a housing to achieve relatively fixed arrangement, or may be achieved by interference fit to achieve relatively fixed arrangement, and may be selected according to actual needs. One end of the inner lock sleeve 42 is completely located in the inner bore of the outer lock sleeve 41 and the other end is flush with the end face of the outer lock sleeve 41.
The end of the inner lock sleeve 42 remote from the locking tongue 50 abuts against the side of the front section 31 facing the rear section 32 and can rotate relative to the latter. The front section 31 is provided with a key hole 33 at one end far away from the bolt 50, the key hole 33 is a blind hole, the inner diameter of the key hole 33 is larger than the outer diameter of the rear section 32, and the side wall of the key hole 33 is provided with a positioning groove 34 and a plurality of marble grooves 35, wherein only one positioning groove 34 is provided, one end of the positioning groove 34 far away from the rear section 32 is communicated with the outside so as to facilitate the penetration of the key 10, the number of the marble grooves 35 can be determined according to the actually required password amount, the inner lock sleeve 42 is provided with marble holes which are linearly arranged with the marble grooves 35 one to one, the marble holes are blind holes, and the marble grooves 35 and the marble holes which correspond to each other are mutually communicated and are positioned on the same straight line in a locking state. To facilitate the machining of the pin grooves 35, it is preferable that in this embodiment, one end of each pin groove 35, which is away from the corresponding pin hole, forms a pin opening at an end face of one end of the front section 31, which is away from the rear section 32, so that a tool can be inserted during the machining, and an annular end plate 43 covering each pin opening is fixedly connected or integrally connected to the outer lock sleeve 41, an inner hole of the annular end plate 43 is arranged corresponding to the key hole 33, and the annular end plate 43 is notched at a position corresponding to the positioning groove 34 so that a key can be inserted.
Each pin hole is provided with a pin assembly 60, the pin assembly 60 comprises a front pin 61 slidably connected in the corresponding pin groove 35, a rear pin 62 abutting against one end of the front pin 61 facing the lock tongue 50, and a pin spring 63 abutting against one end of the rear pin 62 away from the front pin 61, and one end of the pin spring 63 away from the rear pin 62 abuts against the bottom of the pin hole. Before the key 10 is inserted into the key hole 33, each front pin 61 is pressed against the annular end plate 43 by the pin spring 63, and each rear terminal 62 is inserted into the pin groove 35 and the pin hole at the same time, so that the key cylinder 30 cannot rotate relative to the lock case 40. At this time, of course, the positions of the contact surfaces between the front pins 61 and the rear pins 62 in each of the pin assemblies 60 are arranged to be shifted from each other.
The rear section 32 is provided with an electromagnetic locking unit 70, the side wall of the inner lock sleeve 42 is provided with a lock hole communicated with the inner hole of the inner lock sleeve 42, the rear section 32 is provided with an inner cavity 36, and the rear section 32 is provided with counter bores arranged corresponding to the lock holes.
The electromagnetic locking unit 70 includes a control circuit board 71 and an electromagnetic coil 72 fixedly connected in the inner cavity 36 and electrically connected to each other, wherein one end of the electromagnetic coil 72 faces the counter bore, it should be noted that when there are two counter bores, the edge ends of the electromagnetic coil 72 respectively face the two counter bores one by one, and when there are multiple counter bores, at least two electromagnetic coils 72 are required to be disposed to ensure that each counter bore has an end of the electromagnetic coil 72 corresponding thereto. A permanent magnet lock column 73 is connected in the lock hole in a sliding manner, the magnetic pole of one end, facing the rear section 32, of the permanent magnet lock column 73 is the same as the magnetic pole of one end, facing the corresponding counter bore, of the electromagnetic coil 72, meanwhile, one end, far away from the rear section 32, of the permanent magnet lock column 73 is also abutted against a return spring 74, one end, far away from the permanent magnet lock column 73, of the return spring 74 is abutted against the outer lock sleeve 41, and in a locking state, the permanent magnet lock column 73 is inserted in the corresponding counter bore and the lock hole under the action of the return spring 74.
Preferably, the inner lock sleeve 42 is embedded with a signal magnet 44, the inner cavity 36 of the rear section 32 is provided with a hall sensor 45 matched with the signal magnet 44, and the hall sensor 45 is electrically connected with the control circuit board 71. In the locked state, the signal magnet 44 is located at the position that is most solved by the hall sensor 45, so that the intensity of the magnetic field detected by the hall sensor 45 can be used to determine whether the locked state is achieved. The circuit board 71 has a wireless communication module thereon for transmitting lock status information to a remote control center (which is not part of the composite lock of the present embodiment) for remote monitoring. The bottom of the key hole 33 is inserted with contact pins 75 electrically connected with the control circuit board 71, and the number of the contact pins 75 can be set according to actual needs. In addition, the inner cavity 36 of the rear section 32 is filled with a sealant, so that waterproof and dustproof effects can be achieved, and the service life of the electromagnetic part can be prolonged.
The lock rod 11 is provided at its periphery with a positioning block 13 fitted to the positioning groove 34 and a plurality of pushing surfaces 14 fitted to the respective pin assemblies 60 one-to-one, specifically, the lock rod 11 is provided at its periphery with a plurality of guide grooves 15 fitted to the respective pin assemblies 60 one-to-one, one end of the guide groove 15 is formed with a guide opening at an end surface of the lock rod 11 remote from the end of the holding head 12 for the insertion of a pin, and the pushing surface 14 is formed at a groove wall of the other end. In addition, a power source and a signal circuit board electrically connected with the power source are arranged in the holding head 12, the power source can be a conventional storage battery, a dry battery or a button electromagnet, in addition, the end of the lock rod 11 far away from the holding head 12 is provided with a contact piece 16 matched with the contact pin 75, and the contact piece 16 is electrically connected with the power source and can also be electrically connected with the signal circuit board if necessary.
Preferably, as shown in fig. 4, the control circuit board 71 (shown in fig. 2) has a control chip 71a and an avalanche diode 71b electrically connected to the control chip, wherein the control chip 71a is a conventional electronic chip, and can be obtained by being purchased from the market and configured according to the actually required function requirement, the contact pin 75 is electrically connected to the control chip 71a, and the connecting lead between the contact pin 75 and the control chip 71a is further connected to a rheostat 71c connected to ground, when the contact pin 75 is powered on, a current flows through the avalanche diode 71b under the control of the control chip 71a, and if the current is too large, the avalanche diode 71b is triggered to cut off the circuit, thereby effectively avoiding illegal breaking of the electronic key.
In use, referring to fig. 1-3, when the key 10 is inserted into the key hole 33 such that the contact piece 16 and the contact pin 75 touch each other, each pushing surface 14 pushes the corresponding pin assembly 60 until the contact surface between the front pin 61 and the rear pin 62 of each pin assembly 60 is flush with the contact surface between the inner lock sleeve 42 and the front section 31; then, the power supply is communicated with the control circuit board 71 by utilizing the connection between the contact pin 75 and the contact piece 16, the electronic password is verified, after the verification is passed, the control circuit board 71 supplies power to the electromagnetic coil 72 to enable the electromagnetic coil to generate magnetism, the permanent magnet lock cylinder 73 is pushed away from the through hole by the magnetic force due to the repulsion of like poles, and at the moment, the iron core 30 can be rotated by a key to realize unlocking.
The present invention is described in detail with reference to the attached drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention based on the prior art, which fall within the scope of the present invention.
Claims (9)
1. A double-encryption electronic lock is characterized by comprising a key and a lock body which are matched with each other, wherein the lock body comprises a lock core, a lock sleeve sleeved on the lock core and a lock tongue fixedly connected to one end of the lock core, the lock sleeve comprises an outer lock sleeve and an inner lock sleeve which is relatively fixedly arranged with the outer lock sleeve and is positioned in the outer lock sleeve, the lock core comprises a front section which is rotatably connected in the outer lock sleeve and a rear section which is inserted in the inner lock sleeve, the front section and the rear section are integrally connected, the lock tongue is fixedly connected to one end of the rear section far away from the front section, one end of the inner lock sleeve far away from the lock tongue is abutted against the front section, one end of the front section far away from the lock tongue is provided with a key hole, the side wall of the key hole is provided with a positioning groove and a plurality of spring grooves, the inner lock sleeve is provided with a spring hole which is linearly arranged with each spring groove in a one-to-one manner, the key comprises a lock rod, and the periphery of the lock rod is provided with a positioning block matched with the positioning groove and a plurality of pushing surfaces respectively matched with the bullet components in a one-to-one manner.
2. The dual encryption electronic lock of claim 1, wherein the ball assembly includes a front ball slidably connected in the ball slot, a rear ball abutting against an end of the front ball toward the locking bolt, and a ball spring abutting against an end of the rear ball away from the front ball, the end of the ball spring away from the rear ball abutting against a bottom of the ball hole.
3. The double-encrypted electronic lock according to claim 1, wherein the locking rod has a plurality of guide grooves formed on an outer periphery thereof for one-to-one engagement with each of the spring assemblies, respectively, one end of the guide groove having a guide opening formed at an end surface of one end of the locking rod, and a groove wall of the other end forming the pressing surface.
4. The dual encrypted electronic lock according to claim 1, wherein an end of each of the pin grooves remote from the corresponding pin hole forms a pin opening at an end face of the front section remote from the end of the rear section, and the outer lock sleeve is fixedly or integrally connected with an annular end face plate covering each of the pin openings.
5. The double-encrypted electronic lock according to any one of claims 1 to 4, it is characterized in that the side wall of the inner lock sleeve is provided with a lock hole communicated with the inner hole of the inner lock sleeve, the rear section is provided with an inner cavity, and the back section is provided with counter bores which are arranged corresponding to the lock holes, the electromagnetic locking unit comprises a control circuit board and an electromagnetic coil which are respectively and fixedly connected in the inner cavity and are mutually and electrically connected, one end of the electromagnetic coil faces the counter bore, a permanent magnet lock post is connected in the lock hole in a sliding way, the magnetic pole of one end of the permanent magnetic lock cylinder facing the rear section is the same as the magnetic pole of one end of the electromagnetic coil facing the counter bore, and one end of the permanent magnet lock cylinder, which is far away from the rear section, is also propped against a return spring, and one end of the return spring, which is far away from the permanent magnet lock cylinder, is propped against the outer lock sleeve.
6. The dual encryption electronic lock of claim 5, wherein a contact pin electrically connected with the control circuit board is inserted into the bottom of the keyhole, the key further comprises a holding head fixedly connected with one end of the locking bar, a power supply is arranged in the holding head, a contact piece matched with the contact pin is arranged at one end of the locking bar far away from the holding head, and the contact piece is electrically connected with the power supply.
7. The dual encryption electronic lock of claim 5, wherein a signal magnet is embedded in the inner lock sleeve, the inner cavity is provided with a Hall sensor which is matched with the signal magnet, and the Hall sensor is electrically connected with the circuit board.
8. The dual encrypted electronic lock of claim 5, wherein the interior cavity is filled with a sealant.
9. The dual encrypted electronic lock of claim 6, wherein the control circuit board has a control chip and an avalanche diode electrically connected to the control chip, the contact pin being electrically connected to the control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122687837.6U CN216588135U (en) | 2021-11-04 | 2021-11-04 | Double-encryption electronic lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122687837.6U CN216588135U (en) | 2021-11-04 | 2021-11-04 | Double-encryption electronic lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216588135U true CN216588135U (en) | 2022-05-24 |
Family
ID=81642755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122687837.6U Active CN216588135U (en) | 2021-11-04 | 2021-11-04 | Double-encryption electronic lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216588135U (en) |
-
2021
- 2021-11-04 CN CN202122687837.6U patent/CN216588135U/en active Active
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