CN212154438U - Intelligent lockset and money bag - Google Patents
Intelligent lockset and money bag Download PDFInfo
- Publication number
- CN212154438U CN212154438U CN201922174317.8U CN201922174317U CN212154438U CN 212154438 U CN212154438 U CN 212154438U CN 201922174317 U CN201922174317 U CN 201922174317U CN 212154438 U CN212154438 U CN 212154438U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- control circuit
- intelligent
- locking tongue
- unlocking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model discloses an intelligent lockset, include: the wireless connection device comprises a shell, an unlocking assembly, an annular locking tongue with a notch, a magnetic switch, a control circuit board and a wireless connection device; one side of the shell is provided with a zipper head channel, and one end of the zipper head channel is positioned in the annular locking tongue; the unlocking assembly comprises an unlocking push button and a connecting piece, the connecting piece is sleeved and connected with the annular locking tongue and is used for driving the annular locking tongue to rotate through the movement of the unlocking push button so that the notch of the annular locking tongue is communicated or not communicated with the zipper head channel; the unlocking assembly also comprises a magnetic piece fixedly connected with the unlocking push button, and the magnetic piece is driven to control the opening and closing of the magnetic switch through the position change of the unlocking push button; the control circuit board is used for sending the on-off state of the intelligent lockset to the external equipment through the wireless connection device according to the on-off state of the magnetic switch. The accuracy record of unlocking and locking of the intelligent lockset is improved.
Description
Technical Field
The utility model relates to a tool to lock field specifically is an intelligent tool to lock.
Background
The lockset is one of important means for protecting important resources or privacy contents, along with the development of science and technology, people put forward higher requirements on the functions of the lockset, and particularly when certain products needing to be transported need to be protected, if the traditional physical lockset is used for protection, a user cannot know the opening and closing records of the lockset, so that certain potential safety hazards are caused.
At present, electronic locks are generally adopted for locks of specific products in the market, a chip is arranged in the electronic lock and can be communicated with external equipment, and the electronic lock has the working principle that an infrared sensor is arranged in the electronic lock, and the position of a physical lock pin of the electronic lock is detected through the infrared sensor, so that the on-off state of the electronic lock is judged. However, since the switch detection of the electronic lock completely depends on the infrared sensor, when the infrared sensor is damaged or the detection is inaccurate, the switch record of the electronic lock is mistaken, and a safety hazard occurs.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an intelligent lockset, on being applied to the product that has the zip fastener structure, be used for to the record of unblanking and locking improvement accuracy of intelligent lockset.
In order to achieve the above object, the first aspect of the present invention provides the following technical solutions: an intelligent lockset is applied to a product with a zipper structure, and comprises: the wireless connection device comprises a shell, an unlocking assembly, an annular locking tongue with a notch, a magnetic switch, a control circuit board and a wireless connection device;
one side of the shell is provided with a zipper head channel, and one end of the zipper head channel is positioned in the annular locking tongue; the unlocking assembly comprises an unlocking push button and a connecting piece, the connecting piece is sleeved and connected with the annular locking tongue, and the unlocking push button, the connecting piece and the annular locking tongue form a linkage device which is used for driving the annular locking tongue to rotate through the movement of the unlocking push button so that a gap of the annular locking tongue is communicated or not communicated with the zipper head channel;
the unlocking assembly also comprises a magnetic piece fixedly connected with the unlocking push button, and the magnetic piece is driven to control the opening and closing of the magnetic switch through the position change of the unlocking push button; the control circuit board is electrically connected with the magnetic switch and the wireless connecting device respectively; the control circuit board is used for sending the on-off state of the intelligent lockset to external equipment through the wireless connection device according to the on-off state of the magnetic switch.
Optionally, the magnetic switch includes at least one electrical element and two elastic pieces connected to the electrical element; when the two elastic sheets are subjected to the attraction of the magnetic piece, the two elastic sheets are contacted to form a loop; when the two elastic sheets do not receive the attraction force of the magnetic piece, the two elastic sheets are disconnected.
Optionally, the control circuit board is electrically connected to the electrical component;
when the electric element circuit is conducted, the control circuit board determines that the intelligent lock is in an open state, and when the electric element circuit is closed, the control circuit board determines that the intelligent lock is in a closed state;
or when the electric element circuit is switched on, the control circuit board determines that the intelligent lock is in a closed state, and when the electric element circuit is closed, the control circuit board determines that the intelligent lock is in an open state.
Optionally, the intelligent lock further comprises a motor assembly;
a groove is formed in the outer side of the annular locking tongue, the motor assembly comprises a motor and a lock pin, and the lock pin and the groove are attached and separated to form position limitation on the annular locking tongue; the motor is electrically connected with the control circuit board, and when the control circuit board determines that the intelligent lock is in a closed state according to the on-off state of the magnetic switch, the control circuit board controls the motor to rotate to drive the lock pin to be attached to the groove, so that the closed state of the intelligent lock is locked.
Optionally, the control circuit board is further configured to receive an unlocking instruction of an external device through the wireless connection device, and when the control circuit board receives the unlocking instruction, the control circuit board controls the motor to rotate to drive the lock pin to be separated from the groove.
Optionally, the intelligent lock further comprises a locator, the locator is electrically connected with the control circuit board, and the circuit control board is further used for sending information of the locator to the external equipment through the wireless connection device.
Optionally, the intelligent lock further comprises a power supply, and the power supply is electrically connected with the control circuit board.
Optionally, the wireless connection device is a bluetooth device or a zigbee device.
Optionally, the magnetic part is magnetic steel, and the magnetic switch is a reed switch.
The utility model discloses the second aspect provides a money package, including the money package body and as above-mentioned first aspect intelligent tool to lock.
The utility model discloses in the scheme, unblank and push away the button and not only control opening and closing of annular locking tongue to the zipper head passageway, realize unblanking and the unblock to the product, unblank and push away the button and still drive opening and closing that magnetic switch influences magnetic switch to make control circuit board pass through opening and the closed condition of the indirect tool to lock of confirming of magnetic switch. Because the magnetic switch is a stable physical switch, the intelligent lock is more stable, rapid and accurate, has long service life and low cost compared with an infrared sensor, so that the external equipment can rapidly and accurately acquire the related information of the intelligent lock, and the accuracy and the safety are improved.
Drawings
Fig. 1 is a schematic view of the front side of the intelligent lock of the present invention;
fig. 2 is a schematic view of the intelligent lock of the present invention when it is unlocked from the front;
fig. 3 is another schematic view of the front side of the intelligent lock of the present invention;
fig. 4 is a schematic view of the back of the intelligent lock of the present invention;
fig. 5 is a schematic view of the magnetic switch of the present invention when it is turned off;
fig. 6 is a schematic view of the magnetic switch of the present invention when it is turned on;
fig. 7 is another schematic view of the back of the intelligent lock of the present invention;
fig. 8 is a schematic structural view of the intelligent lock of the present invention;
fig. 9 is a schematic structural view of the intelligent lock unlocking of the present invention;
fig. 10 is a schematic view of the money bag of the present invention.
Detailed Description
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit the specific installation orientations of the respective members or components.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the structure, proportion, size, etc. drawn by the drawings attached to the present invention are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structure, change of the proportion relation or adjustment of the size should still fall within the scope covered by the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides an intelligent lock for a product with a zipper structure, including: the device comprises a shell 1, an unlocking assembly 2, an annular locking tongue 3 with a notch, a magnetic switch 4, a control circuit board 5 and a wireless connecting device 6;
one side of the shell 1 is provided with a zipper head channel 7, and one end of the zipper head channel 7 is positioned in the annular locking tongue 3; the unlocking assembly 2 comprises an unlocking push button 21 and a connecting piece 22, the connecting piece 22 is connected with the annular locking tongue 3 in a sleeved mode, the unlocking push button 21, the connecting piece 22 and the annular locking tongue 3 form a linkage device, and the linkage device is used for driving the annular locking tongue 3 to rotate through the movement of the unlocking push button 21 so that a gap of the annular locking tongue 3 is communicated or not communicated with the zipper head channel 7;
the unlocking assembly 2 further comprises a magnetic piece 23 fixedly connected with the unlocking push button 21, and the magnetic piece 23 is driven to control the opening and closing of the magnetic switch 4 through the position change of the unlocking push button 21; the control circuit board 5 is electrically connected with the magnetic switch 4 and the wireless connection device 6 respectively; the control circuit board 5 is used for sending the on-off state of the intelligent lock to external equipment through the wireless connection device 6 according to the on-off state of the magnetic switch 4.
In this embodiment, the housing 1 refers to a containing device for containing and installing a plurality of components, such as the unlocking assembly 2, the annular locking tongue 3, the magnetic switch 4, the control circuit board 5, and the wireless connection device 6, and the housing 1 may be assembled by a plurality of components, for example, the housing 1 may be assembled by a front cover, a middle cover, and a rear cover, which is not limited in this application. Draw zipper head passageway 7 to refer to the holding tank of position when drawing the zipper head closed this product of the product that has zipper structure, for example zip fastener money package or zipper case, when closing the zip fastener completely through drawing the zipper head, draw the zipper head to be located this scheme tool to lock draw zipper head passageway 7 this moment, for convenient show, has shown in the drawing and has drawn zipper head 71. The annular locking tongue 3 provided with the notch means that the annular locking tongue is not completely closed but has a notch position, and in the scheme, the notch position of the annular locking tongue 3 is communicated with the zipper puller channel 7 or not by rotating the annular locking tongue 3, so that the zipper puller is unlocked and locked.
The unlocking push button 21, the connecting piece 22 and the annular locking tongue 3 form a linkage device, and specifically, the linkage device can be: the connecting piece 22 is provided with a limiting sleeve ring 221, the annular locking tongue 3 is provided with a protruding piece 31, and the protruding piece 31 horizontally moves in the limiting sleeve ring 22 to form the rotation control of the unlocking assembly 2 on the annular locking tongue 3. When the unlocking push button 21 moves up and down, the stopper collar 221 body also moves up and down because the stopper collar 221 and the unlocking push button 21 are fixedly connected. The annular hole of the limiting sleeve ring 221 is horizontally arranged in a strip shape, and the annular locking tongue 3 is fixed in the circular track matched with the annular hole in the shell 1, so that the annular locking tongue 3 has a rotation function, when the unlocking push button 21 moves up and down, the protrusion 31 of the annular locking tongue 3 horizontally moves left and right in the limiting sleeve ring 221 (it should be noted that the protrusion 31 can simultaneously move along with the annular locking tongue 3 in an arc manner, and only relatively horizontally moves in the limiting sleeve ring), so that the annular locking tongue 3 is driven to rotate. Thereby realizing that the gap of the annular locking tongue 3 is communicated or not communicated with the zipper puller channel 7.
The unlocking push button 21 is fixedly connected with a magnetic part 23, and the magnetic part 23 is used for controlling the on-off of the magnetic switch 4, so that the magnetic part 23 can be driven to carry out position conversion by the movement of the unlocking push button 21, and the magnetic part 23 can influence the on-off of the magnetic switch 4. Indirectly, the unlocking push button 21 can control the opening or closing of the magnetic switch 4. The control circuit board 5 is electrically connected with the magnetic switch 4, so that the on-off state of the magnetic switch 4 can be acquired, the on-off state of the intelligent lock can be determined, the intelligent lock can be sent to an external device through the wireless connection device, and information such as opening time, closing time, opening times and closing times of the intelligent lock can be recorded. The control circuit board 5 refers to a circuit board having a logic control function, such as a Printed Circuit Board (PCB), and may also be a circuit board composed of chips, where the control circuit board 5 has signal receiving, signal transmitting, and signal processing capabilities.
Because magnetic switch 4 is stable physical switch, more stable, quick, accurate, long service life and with low costs for infrared sensor, consequently make external equipment can acquire this intelligent tool to lock's relevant information more fast accurately, improved accuracy and security.
Optionally, the magnetic switch 4 includes at least one electrical element 41 and two elastic pieces 42 connected to the electrical element; when the two elastic sheets 42 are subjected to the attraction force of the magnetic member 23, the two elastic sheets 42 are contacted to form a loop; when the two elastic sheets 42 are not subjected to the attraction force of the magnetic member 23, the two elastic sheets 42 are disconnected.
In this embodiment, the working principle of the magnetic switch 4 is as follows: in the initial state, the two spring plates 42 are in the separated state, so that the magnetic switch 4 does not form a loop, when the unlocking push button 21 drives the magnetic member 23 to approach, and the two spring plates 42 are attracted by the magnetic member 23, the two spring plates 42 are contacted, thereby forming a loop, and the control circuit board detects the condition that the magnetic switch 4 conducts current; when the unlocking push button 21 drives the magnetic member 23 to be far away, the two elastic pieces 42 are not under the attraction of the magnetic member 23, and due to the elastic action of the two elastic pieces 42, the two elastic pieces 42 are disconnected, so that the magnetic switch 4 does not form a loop, and the control circuit board 5 can detect that the magnetic switch 4 does not have current circulation.
Optionally, the control circuit board 5 is electrically connected to the electrical component 41;
when the circuit of the electrical component 41 is conducted, the control circuit board 5 determines that the intelligent lock is in an open state, and when the circuit of the electrical component 41 is closed, the control circuit board 5 determines that the intelligent lock is in a closed state;
or, when the circuit of the electrical component 41 is turned on, the control circuit board 5 determines that the intelligent lock is in a closed state, and when the circuit of the electrical component 41 is turned off, the control circuit board 5 determines that the intelligent lock is in an open state.
In this embodiment, when the circuit of the electrical component 41 is turned on or off, the position of the unlocking push button 21 is moved, thereby indicating the opening or closing of the zipper head channel by the annular locking tongue 3. Therefore, the circuit control module can indirectly determine the opening and closing states of the intelligent lock according to the on and off states of the electrical element 41. Specifically, the circuit conduction of the electrical component 41 indicates whether the intelligent lock is opened or closed, and the intelligent lock can be set by a developer.
In order to prevent the ring-shaped locking tongue 3 from being rotated randomly, so that the intelligent lockset is opened or closed randomly, the application also provides some embodiments for fixing the position of the ring-shaped locking tongue 3 and preventing the ring-shaped locking tongue 3 from being rotated easily.
In some examples, optionally, the intelligent lock further comprises a motor assembly 8;
the outer side of the annular locking tongue 3 is provided with a groove 31, the motor assembly 8 comprises a motor 81 and a lock pin 82, and the lock pin 82 and the groove 31 form a position limitation for the annular locking tongue 3 through fitting and separation; the motor 81 is electrically connected with the control circuit board 5, when the control circuit board 5 determines that the intelligent lock is in a closed state according to the on-off state of the magnetic switch 4, the control circuit board 5 controls the motor 81 to rotate, and drives the lock pin 82 to be attached to the groove 31, so that the closed state of the intelligent lock is locked.
In the present embodiment, the motor assembly 8 refers to a motor assembly that is rotatable by supplying current from a power source. In order to improve the safety of the intelligent lock, once the intelligent lock is closed, the control circuit board 5 controls the motor 81 to rotate, so as to drive the lock pin 82 to be attached to the groove 31 of the annular locking tongue 3, and thus the closed state of the intelligent lock is locked. At this point, the user cannot manually reopen the lock.
Optionally, the control circuit board 5 is further configured to receive an unlocking instruction of an external device through the wireless connection device 6, and when the control circuit board 6 receives the unlocking instruction, the control circuit board 6 controls the motor 81 to rotate to drive the lock pin 82 to separate from the groove.
When a user needs to unlock the intelligent lock again, an unlocking instruction, such as an unlocking password, must be sent to the control circuit board 5 of the intelligent lock through an external device connected to the intelligent lock, such as an intelligent terminal like a mobile phone, and after the control circuit board 5 receives a correct unlocking instruction, the motor 81 is controlled to rotate to drive the lock pin 82 to separate from the groove 31 of the annular locking tongue 3, so that the user can push the unlocking push button 21 to unlock. The 'no-medium unlocking' mode of unlocking by sending an unlocking instruction to the intelligent lock through the external equipment improves the safety of the lock.
Optionally, the intelligent lock further comprises a locator 9, the locator 9 is electrically connected to the control circuit board 5, and the circuit control board 5 is further configured to send information of the locator 8 to an external device through the wireless connection device 6.
The locator 8 may be a Global Positioning System (GPS) device, a beidou device, or other devices with a Positioning function.
Optionally, the intelligent lock further includes a power supply 10, and the power supply 10 is electrically connected to the control circuit board 5.
The power source 10 may be a lithium battery or a storage battery.
Optionally, the wireless connection device 6 is a bluetooth device or a zigbee device.
Optionally, the magnetic part 23 is magnetic steel, and the magnetic switch 4 is a reed pipe.
The embodiment of the present application further provides a money packet, which includes a money packet body 101 and the intelligent lock 102 described in any of the above embodiments.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an intelligent lockset, is applied to on the product that has the zip fastener structure, its characterized in that includes: the wireless connection device comprises a shell, an unlocking assembly, an annular locking tongue with a notch, a magnetic switch, a control circuit board and a wireless connection device;
one side of the shell is provided with a zipper head channel, and one end of the zipper head channel is positioned in the annular locking tongue; the unlocking assembly comprises an unlocking push button and a connecting piece, the connecting piece is sleeved and connected with the annular locking tongue, and the unlocking push button, the connecting piece and the annular locking tongue form a linkage device which is used for driving the annular locking tongue to rotate through the movement of the unlocking push button so that a gap of the annular locking tongue is communicated or not communicated with the zipper head channel;
the unlocking assembly also comprises a magnetic piece fixedly connected with the unlocking push button, and the magnetic piece is driven to control the opening and closing of the magnetic switch through the position change of the unlocking push button; the control circuit board is electrically connected with the magnetic switch and the wireless connecting device respectively; the control circuit board is used for sending the on-off state of the intelligent lockset to external equipment through the wireless connection device according to the on-off state of the magnetic switch.
2. The intelligent lockset of claim 1 wherein said magnetic switch comprises at least one electrical element and two tabs connected to said electrical element; when the two elastic sheets are subjected to the attraction of the magnetic piece, the two elastic sheets are contacted to form a loop; when the two elastic sheets do not receive the attraction force of the magnetic piece, the two elastic sheets are disconnected.
3. The intelligent lockset of claim 2 wherein said control circuit board is electrically connected to said electrical components;
when the electric element circuit is conducted, the control circuit board determines that the intelligent lock is in an open state, and when the electric element circuit is closed, the control circuit board determines that the intelligent lock is in a closed state;
or when the electric element circuit is switched on, the control circuit board determines that the intelligent lock is in a closed state, and when the electric element circuit is closed, the control circuit board determines that the intelligent lock is in an open state.
4. The intelligent lockset of claim 1 wherein said intelligent lockset further comprises a motor assembly;
a groove is formed in the outer side of the annular locking tongue, the motor assembly comprises a motor and a lock pin, and the lock pin and the groove are attached and separated to form position limitation on the annular locking tongue; the motor is electrically connected with the control circuit board, and when the control circuit board determines that the intelligent lock is in a closed state according to the on-off state of the magnetic switch, the control circuit board controls the motor to rotate to drive the lock pin to be attached to the groove, so that the closed state of the intelligent lock is locked.
5. The intelligent lockset as recited in claim 4, wherein said control circuit board is further configured to receive an unlocking command of an external device through said wireless connection device, and when said control circuit board receives said unlocking command, said control circuit board controls said motor to rotate, driving said locking pin to separate from said recess.
6. The intelligent lock according to any one of claims 1 to 5, further comprising a locator, wherein the locator is electrically connected to the control circuit board, and the control circuit board is further configured to send information of the locator to an external device through the wireless connection device.
7. The intelligent lock according to any one of claims 1 to 5, further comprising a power supply electrically connected to the control circuit board.
8. The intelligent lockset of any of claims 1-5 wherein said wireless connectivity means is a Bluetooth device or a ZigBee device.
9. The intelligent lockset according to any of claims 1-5 wherein said magnetic member is magnetic steel and said magnetic switch is a reed switch.
10. A bag, characterized by comprising a bag body and an intelligent lock according to any one of claims 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922174317.8U CN212154438U (en) | 2019-12-07 | 2019-12-07 | Intelligent lockset and money bag |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922174317.8U CN212154438U (en) | 2019-12-07 | 2019-12-07 | Intelligent lockset and money bag |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212154438U true CN212154438U (en) | 2020-12-15 |
Family
ID=73704424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922174317.8U Active CN212154438U (en) | 2019-12-07 | 2019-12-07 | Intelligent lockset and money bag |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN212154438U (en) |
-
2019
- 2019-12-07 CN CN201922174317.8U patent/CN212154438U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2017193803A1 (en) | Intelligent suitcase and usage method | |
KR101876923B1 (en) | Electronic sealing device for container | |
CN106481188A (en) | Condom with pressing type fingerprint sensor | |
CN110494826A (en) | Rechargeable electronic pen | |
CN205826015U (en) | Container state monitor terminal | |
SE1050215A1 (en) | Locking system | |
EP3706088A1 (en) | Toolbox and security system | |
CN212154438U (en) | Intelligent lockset and money bag | |
CN112360240A (en) | Intelligent lock | |
JP2020124781A (en) | Tool box and charging system | |
CN211923857U (en) | Lockset and money bag | |
CN111232464B (en) | Container electronic lead sealing device based on satellite positioning communication and sealing and unsealing method | |
CN206140447U (en) | Intelligent toolbox | |
CN111852207A (en) | Case and fingerprint mechanical intelligent lock thereof | |
CN206337973U (en) | Safety box with push type fingerprint sensor | |
CN103147626A (en) | Intelligent terminal controlled by wireless Internet of Things | |
CN110778220A (en) | Intelligent lock of express delivery box and express delivery box thereof | |
CN214303305U (en) | Access control system | |
CN210768237U (en) | Active intelligent padlock | |
CN212002692U (en) | Wireless power supply Bluetooth lockset | |
JP2009105346A (en) | Electronic equipment with watertight structure | |
WO2018077178A1 (en) | Intelligent lock | |
CN112922465B (en) | Lock set | |
CN209731445U (en) | Switch thermomechanical components and hard disk video recorder for electronic equipment | |
CN210316903U (en) | Case and fingerprint mechanical intelligent lock thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |