Integrated electronic lock protector for intelligent lock
Through the design of the integrated electronic lock guard, the problem that traditional electronic locks cannot be compatible with mechanical keys and electronic keys is solved, and the double protection of electromechanical protection is achieved, which improves the safety and compatibility of the locks.
Patent Information
- Application Number
- CN202510719845.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2025-08-12
AI Technical Summary
Traditional electronic locks cannot be compatible with mechanical keys and electronic digital keys, which poses a safety hazard for illegal lock unlocking, and the lock core space is limited, so it is impossible to achieve double protection of electromechanical and electromechanical protection.
An integrated electronic lock guard for intelligent locks is designed, including components such as outer shell, insulated shell, anti-drill cover, chip connector, lock rotor and lock joint flat iron, so as to achieve the integration of mechanical lock core and electronic lock core, and the lock main board is unified to meet the dual protection of electromechanical protection.
It realizes the use of electronic digital keys, improves the safety of the lock, avoids illegal unlocking, and does not increase the lock volume.
Smart Images

Figure CN120465769A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of smart locks, and in particular to an integrated electronic lock protector for a smart lock. Background Art
[0002] The lock cylinder of traditional electronic locks is purely mechanical and is only suitable for use with mechanical keys. It cannot avoid the disadvantages of illegal technical unlocking. In order to improve security and intelligence, electromechanical integrated electronic digital keys with built-in chips are also available on the market. Therefore, an electronic lock cylinder is needed to match them. Due to the limited space in the lock body, the volume change of the lock cylinder needs to be considered. Therefore, an electronic lock protector that integrates the mechanical lock cylinder and the electronic lock cylinder is urgently needed. Summary of the Invention
[0003] The purpose of the present invention is to overcome the shortcomings of the existing technology and provide an integrated electronic lock protector for smart locks, which can be used in conjunction with electronic digital keys to completely change the unsafe situation that smart locks can be unlocked by illegal technology.
[0004] The technical solution adopted in the present invention is: An integrated electronic lock protector for a smart lock, comprising an outer shell, an insulating shell, an anti-drilling cover, a chip connector, a lock core, a gourd lock, a lock linkage flat iron, and a flat iron nut; The outer shell is made of metal and includes a panel and a rear shell. Both the panel and the rear shell are oval in shape. When the panel and the rear shell are buckled and connected, an installation space is formed inside. A circular installation hole is provided on the upper part of the panel, and an oval installation groove is provided on the rear shell. The upper edge of the installation groove protrudes backward to form an arc-shaped lock head protective plate. The insulating housing is arranged in the installation space of the outer housing, and the outer shape of the insulating housing is a gourd-shaped structure that matches the outer shape of the gourd lock head; the insulating housing includes a front piece and an inner shell, the upper part of the front piece is provided with a ring groove concentric with the mounting hole on the upper part of the panel, and the lower part is provided with a mounting portion extending downward; a limit ring is provided on the inner wall of the upper part of the inner shell, and a mounting step matching the rear shell is provided on the outer edge of the rear side of the inner shell; The anti-drill cover is made of metal and is arranged in the insulating housing on the front side of the limit ring. The anti-drill cover has a circular structure, and the front end of the anti-drill cover is located in the ring groove on the upper part of the front plate and the mounting hole of the panel; The chip connector is made of copper and is arranged in an insulating housing between the rear side of the anti-drill cover and the front side of the limit ring. The chip connector is connected to the CPU detection port of the lock electronic motherboard through a data cable; The lock core is arranged in the gourd lock, and the rear end of the lock core is provided with a threaded portion; the front end of the gourd lock is inserted into the rear end of the inner shell of the insulating shell, and the end is placed on the rear side of the limit ring of the inner shell; the end of the lock linkage flat iron is docked with the rear end of the lock core and is fastened by a flat iron nut arranged on the threaded portion of the rear end of the lock core; the rear end of the lock linkage flat iron is arranged corresponding to the lock tongue toggle member inside the lock.
[0005] Specifically, screw holes are correspondingly provided on the rear part of the outer shell panel and on both sides of the rear shell, and the panel and the rear shell are connected by screws; a connecting column is correspondingly provided at the lower end of the rear shell of the outer shell, and a slot is correspondingly provided at the lower end of the panel.
[0006] Specifically, the front piece of the insulating shell is made of transparent material, and a boss is provided on the mounting portion at the lower part of the front piece. The boss is located in the corresponding hole on the outer shell panel, and an LED lamp bead is also installed in the boss; the boss facilitates the connection between the insulating shell and the outer shell and the installation of the LED lamp bead.
[0007] Specifically, a spring mounting through hole is provided at the top of the inner shell of the insulating shell, extending from the limiting ring to the rear side. A spring A is provided in the spring mounting through hole. The front end of the spring A is placed on the chip connector, and the rear end is placed on the upper edge of the rear shell. The spring A supports and limits the chip connector, ensuring good contact of the data line of the chip connector during the key insertion process.
[0008] Specifically, a connecting ear is provided at the lower end of the inner shell, and the connecting column at the lower part of the rear shell passes through the connecting ear and is inserted into the corresponding slot on the panel to fix the insulating shell and the outer shell.
[0009] Specifically, the anti-drill cover includes a cover body, a bracket and a spring piece; a key insertion slot is provided in the middle of the cover body, the bracket is provided inside the rear side of the cover body, and the spring piece is provided on the bracket corresponding to the key insertion slot on the cover body through a pin shaft and a torsion spring.
[0010] Specifically, the upper portion of the chip connector is annular and matches the anti-drill cover, and the lower portion is sheet-shaped and matches the inner cavity of the inner shell. The upper ring portion of the chip connector is in contact with the anti-drill cover, and the lower portion is arranged in the lower portion of the inner shell.
[0011] Specifically, a pin hole is provided on the threaded portion at the rear end of the lock core, and a cylindrical pin with a flange ring in the middle is arranged in the pin hole through a spring B. A circular plate-shaped connector is provided at the front end of the lock linkage flat iron, and a U-shaped opening groove corresponding to the pin hole is provided on the circular plate-shaped connector. A gear-shaped slot is provided at the bottom of the flat iron nut. The circular plate-shaped connector of the lock linkage flat iron is located in the bottom of the flat iron nut, and the rear end of the cylindrical pin passes through the U-shaped opening groove and is located in the corresponding gear-shaped groove at the bottom of the flat iron nut to prevent the flat iron nut from loosening.
[0012] Specifically, the rear end portion of the lock linkage flat iron is extended, and a groove for truncation is provided on the extended portion; it is used to cooperate with locks of different thicknesses.
[0013] Specifically, the outer edge of the flat iron nut is provided with knurling for easy twisting.
[0014] Due to the adoption of the technical solution described above, the present invention has the following advantages: the integrated electronic lock protector for the smart lock of the present invention replaces the traditional purely mechanical lock head, has an optimized structure, does not increase the volume of the lock head, and can be used in conjunction with an electronic digital key. It is uniformly controlled by the lock motherboard, meets the dual mechanical and electrical protection, and improves the security of the lock. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is an overall schematic diagram of the present invention.
[0016] Figure 2 It is an exploded schematic diagram of the present invention.
[0017] Figure 3 Schematic diagram of the rear shell of the present invention.
[0018] Figure 4 Schematic diagram of the inner shell of the present invention.
[0019] Figure 5 It is an exploded schematic diagram of the present invention after the rear shell and the gourd lock are removed.
[0020] In the figure: 1-outer shell, 11-panel, 111-mounting hole, 112-slot, 12-back shell, 121-mounting slot, 122-lock protective plate, 123-connecting column, 2-insulating shell, 21-front plate, 211-boss, 212-LED lamp bead, 22-inner shell, 221-limiting ring, 222-mounting step, 223-spring mounting through hole, 224-spring A, 225-connecting ear, 3-anti-drill cover, 31-cover, 32-bracket, 33-spring, 4-chip connector, 5-lock core, 51-pin hole, 52-cylindrical pin, 53-spring B, 6-hoist lock, 7-lock linkage flat iron, 71-connecting head, 711-U-shaped opening groove, 8-flat iron nut. DETAILED DESCRIPTION
[0021] The present invention will be further explained below with reference to the accompanying drawings and embodiments, which should not be used to limit the scope of protection of the present invention. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.
[0022] Combined with attachment Figure 1-5The integrated electronic lock protector for a smart lock shown includes an outer shell 1, an insulating shell 2, an anti-drill cover 3, a chip connector 4, a lock core 5, a gourd lock 6, a lock linkage flat iron 7 and a flat iron nut 8.
[0023] The outer shell 1 is made of metal and includes a panel 11 and a rear shell 12. Both the panel 11 and the rear shell 12 are oval in shape. Screw holes are correspondingly provided on the rear of the panel 11 and on both sides of the rear shell 12. A connecting column 123 is correspondingly provided at the lower end of the rear shell 12, and a slot 112 is correspondingly provided at the lower end of the panel 11. The panel 11 and the rear shell 12 are buckled together through the connecting column 123 and the slot 112 and then connected by screws to form an installation space inside. A circular mounting hole 111 is provided on the upper part of the panel 11, and an oval mounting groove 121 is provided on the rear shell 12. The upper edge of the mounting groove 121 protrudes backward to form an arc-shaped lock protective plate 122.
[0024] The insulating shell 2 is arranged in the installation space of the outer shell 1. The outer shape of the insulating shell 2 is a gourd-shaped structure that matches the outer shape of the gourd lock 6; the insulating shell 2 includes a front piece 21 and an inner shell 22. The front piece 21 is made of transparent material. The upper part of the front piece 21 is provided with a ring groove concentric with the upper mounting hole 111 of the panel 11, and the lower part is extended downward to provide a mounting portion, and a boss 211 is provided on the mounting portion. The boss 211 is located in the corresponding hole on the panel 11 of the outer shell 1, and an LED lamp bead 212 is also installed in the boss 211; the boss 211 facilitates the connection between the insulating shell 2 and the outer shell 1 and the installation of the LED lamp bead 212; a limiting ring 221 is provided on the inner wall of the upper part of the inner shell 22, and the rear side of the inner shell 22 The outer edge is provided with a mounting step 222 that matches the rear shell 12; a spring mounting through hole 223 is provided on the top of the inner shell 22 extending from the limiting ring 221 to the rear side, and a spring A224 is provided in the spring mounting through hole 223. The front end of the spring A224 is topped on the chip connector 4, and the rear end is topped on the upper edge of the rear shell 12. The spring A224 supports and limits the chip connector 4, ensuring good contact of the data line of the chip connector 4 during the key insertion process; a connecting ear piece 225 is provided at the lower end of the inner shell 22, and the connecting column 123 at the lower part of the rear shell 12 passes through the connecting ear piece 225 and is inserted into the corresponding slot 112 of the panel 11 mountain, thereby fixing the insulating shell 2 to the outer shell 1.
[0025] The anti-drill cover 3 is made of metal and is arranged in the insulating shell 2 on the front side of the limit ring 221. The anti-drill cover 3 is a circular structure and includes a cover body 31, a bracket 32 and a spring 33; the front end of the cover body 31 is located in the ring groove on the upper part of the front plate 21 and the mounting hole 111 of the panel 11, a key insertion slot is provided in the middle of the cover body 31, the bracket 32 is provided on the rear side of the cover body 31, and the spring 33 is arranged on the bracket 32 corresponding to the key insertion slot on the cover body 31 through a pin shaft and a torsion spring.
[0026] The chip connector 4 is made of copper and is arranged in the insulating shell 2 between the rear side of the anti-drill cover 3 and the front side of the limit ring 221. The upper part of the chip connector 4 is a ring that matches the anti-drill cover 3, and the lower part is a sheet that matches the inner cavity of the inner shell 22. The lower part is arranged in the lower part of the inner shell 22; the chip connector 4 is connected to the CPU detection port of the lock electronic motherboard through a data cable.
[0027] The lock core 5 is arranged in the gourd lock 6, and the rear end of the lock core 5 is provided with a threaded portion, and a pin hole 51 is provided on the threaded portion. A cylindrical pin 52 with a flange ring in the middle is arranged in the pin hole 51 through a spring B53; the front end of the gourd lock 6 is inserted into the rear end of the inner shell 22 of the insulating shell 2, and the end is placed on the rear side of the limit ring 221 of the inner shell 22; the end of the lock linkage flat iron 7 is connected to the rear end of the lock core 5, and the front end of the lock linkage flat iron 7 is provided with a circular plate-shaped connector 71, and the circular plate-shaped connector 71 is provided with a U-shaped opening groove 711 corresponding to the pin hole 51 A gear-shaped slot is provided at the bottom of the flat iron nut 8, and the circular plate-shaped connecting head 71 of the lock linkage flat iron 7 is located in the bottom of the flat iron nut 8. After the flat iron nut 8 is screwed into place on the rear end threaded portion of the lock core 5, the cylindrical pin 52 pops out from the pin hole 51 under the action of the spring B53, and the flange ring top on the cylindrical pin 52 is provided on the outside of the U-shaped opening slot 711 of the circular plate-shaped connecting head 71 and the rear end of the cylindrical pin 52 is located in the corresponding gear-shaped slot at the bottom of the flat iron nut 8 to prevent the flat iron nut 8 from loosening; the rear end of the lock linkage flat iron 7 is corresponding to the lock tongue toggle member inside the lock.
[0028] The integrated electronic lock protector for the smart lock of the present invention is assembled. The anti-drill cover 3, the chip connector 4 and the LED lamp bead 212 are installed in the insulating shell 2; the circular plate-shaped connector 71 of the lock linkage flat iron 7 is first installed in the flat iron nut 8, and the U-shaped opening groove 711 of the circular plate-shaped connector 71 is aligned with the position of the pin hole 51. The cylindrical pin 52 is pressed into the pin hole 51 by a tool to limit the position, and then the flat iron nut 8 is screwed into the rear end threaded portion of the lock core 5 by knurling. After that, the tool is released, and the cylindrical pin 52 pops out from the pin hole 51 under the action of the spring B53. The flange ring top of the cylindrical pin 52 is arranged on both sides of the U-shaped opening groove 711 of the circular plate-shaped connector 71 and is located on the flat iron nut after passing through the U-shaped opening groove 711. 8 in the corresponding gear-shaped groove at the bottom to prevent the flat iron nut from rotating loose; then install the gourd lock 6, and install the assembled gourd lock 6 on the rear side of the insulating inner shell 22, and then place the panel 11 of the outer shell 1 on the front side of the lock panel 11, and the rear shell 12 on the rear side of the lock panel 11, and snap the connecting column 123 at the lower part of the panel 11 and the rear shell 12 into the slot 112 and connect them by screws. The gap between the panel 11 and the rear shell 12 of the outer shell 1 is stuck on the lock panel 11 to fix the lock guard on the lock panel 11, and the outer shell 1 is connected to the common negative pole of the lock electronic motherboard, that is, the ground terminal, through a wire; the chip connector 4 is connected to the CPU detection port of the lock electronic motherboard through a data cable; the LED lamp bead 212 is connected to the lock power cord.
[0029] During use, after the electronic key is inserted into the anti-drill cover 3, the positive plate of the electronic key contacts the spring 33 and then conducts with the chip connector 4. The data line of the chip connector 4 and the detection port of the lock electronic motherboard CPU constitute a positive data signal channel, which can detect the status of the electronic key in real time. When the lock motherboard detects that the electronic key is a legal key, the lock electronic lock motherboard will release a high-level pulse signal to unlock its electronic lock normally, and the key tooth part enters the lock core 5 to unlock normally; on the contrary, when it is detected that it is a cancelled key or a mechanical tooth key, the lock electronic motherboard CPU will issue an alarm prompt signal, the LED lamp bead 212 flashes, and the lock is refused.
[0030] The specific structure of the lock core and the gourd lock of the present invention is the lock core lock of the mechanical lock in the prior art, so it is not described in detail.
[0031] The embodiments selected herein for the purpose of disclosing the invention are presently considered suitable, but it should be understood that the invention is intended to include all variations and modifications of the embodiments that fall within the scope of the concept and invention.
Claims
1. An integrated electronic lock protector for a smart lock, characterized by: It includes an outer shell, an insulating shell, an anti-drilling cover, a chip connector, a lock core, a gourd lock, a lock linkage flat iron and a flat iron nut; The outer shell is made of metal and includes a panel and a rear shell. Both the panel and the rear shell are oval in shape. When the panel and the rear shell are buckled and connected, an installation space is formed inside. A circular installation hole is provided on the upper part of the panel, and an oval installation groove is provided on the rear shell. The upper edge of the installation groove protrudes backward to form an arc-shaped lock head protective plate. The insulating housing is arranged in the installation space of the outer housing, and the outer shape of the insulating housing is a gourd-shaped structure that matches the outer shape of the gourd lock head; the insulating housing includes a front piece and an inner shell, the upper part of the front piece is provided with a ring groove concentric with the mounting hole on the upper part of the panel, and the lower part is provided with a mounting portion extending downward; a limit ring is provided on the inner wall of the upper part of the inner shell, and a mounting step matching the rear shell is provided on the outer edge of the rear side of the inner shell; The anti-drill cover is made of metal and is arranged in the insulating housing on the front side of the limit ring. The anti-drill cover has a circular structure, and the front end of the anti-drill cover is located in the ring groove on the upper part of the front plate and the mounting hole of the panel; The chip connector is made of copper and is arranged in an insulating housing between the rear side of the anti-drill cover and the front side of the limit ring. The chip connector is connected to the CPU detection port of the lock electronic motherboard through a data cable; The lock core is arranged in the gourd lock, and the rear end of the lock core is provided with a threaded portion; the front end of the gourd lock is inserted into the rear end of the inner shell of the insulating shell, and the end is placed on the rear side of the limit ring of the inner shell; the end of the lock linkage flat iron is docked with the rear end of the lock core and is fastened by a flat iron nut arranged on the threaded portion of the rear end of the lock core; the rear end of the lock linkage flat iron is arranged corresponding to the lock tongue toggle member inside the lock.
2. The integrated electronic lock protector for smart locks according to claim 1, characterized in that: The rear part of the outer shell panel and both sides of the rear shell are correspondingly provided with screw holes, and the panel and the rear shell are connected by screws; the lower end of the outer shell rear shell is correspondingly provided with a connecting column, and the lower end of the panel is correspondingly provided with a slot.
3. The integrated electronic lock protector for smart locks according to claim 1, characterized in that: The front piece of the insulating shell is made of transparent material, and a boss is provided on the mounting portion at the lower part of the front piece. The boss is located in the corresponding hole on the outer shell panel, and an LED lamp bead is also installed in the boss; the boss facilitates the connection between the insulating shell and the outer shell and the installation of the LED lamp bead.
4. The integrated electronic lock protector for smart locks according to claim 1, characterized in that: The top of the inner shell of the insulating shell is provided with a spring mounting through hole extending from the limiting ring to the rear side, and a spring A is provided in the spring mounting through hole. The front end of the spring A is topped on the chip connector, and the rear end is topped on the upper edge of the rear shell. The spring A supports and limits the chip connector.
5. The integrated electronic lock protector for smart locks according to claim 1, characterized in that: The lower end of the inner shell is provided with a connecting ear piece, and the connecting column at the lower part of the rear shell passes through the connecting ear piece and is inserted into the slot to fix the insulating shell and the outer shell.
6. The integrated electronic lock protector for smart locks according to claim 1, characterized in that: The anti-drill cover includes a cover body, a bracket and a spring piece; a key insertion slot is provided in the middle of the cover body, the bracket is provided inside the rear side of the cover body, and the spring piece is provided on the bracket corresponding to the key insertion slot on the cover body through a pin shaft and a torsion spring.
7. The integrated electronic lock protector for smart locks according to claim 1, characterized in that: The upper part of the chip connector is annular and matches the anti-drill cover, and the lower part is sheet-shaped and matches the inner cavity of the inner shell. The upper ring of the chip connector is in contact with the anti-drill cover, and the lower part is arranged in the lower part of the inner shell.
8. The integrated electronic lock protector for smart locks according to claim 1, characterized in that: A pin hole is provided on the threaded portion at the rear end of the lock core, and a cylindrical pin with a flange ring in the middle is arranged in the pin hole through a spring B. A circular plate-shaped connector is provided at the front end of the lock linkage flat iron, and a U-shaped opening groove corresponding to the pin hole is provided on the circular plate-shaped connector. A gear-shaped slot is provided at the bottom of the flat iron nut. The circular plate-shaped connector of the lock linkage flat iron is located in the bottom of the flat iron nut, and the rear end of the cylindrical pin passes through the U-shaped opening groove and is located in the corresponding gear-shaped groove at the bottom of the flat iron nut to prevent the flat iron nut from loosening.
9. The integrated electronic lock protector for a smart lock according to claim 1, characterized in that: The rear end portion of the lock linkage flat iron is extended, and a groove for truncation is provided on the extended portion.
10. The integrated electronic lock protector for smart locks according to claim 1, characterized in that: The outer edge of the flat iron nut is provided with knurling for easy twisting.