A device for electronic transformation of mechanical door locks

Abstract

The present invention provides an electronic transformation device for a mechanical door lock, which belongs to the technical field of door locks. The electronic transformation device for a mechanical door lock comprises a mechanical lock, an electronic control compartment, a battery motor compartment, a key protection compartment, and a mechanical password lock assembly. The electronic control compartment and the battery motor compartment form a square structure and are arranged on the mechanical lock; the mechanical password lock assembly is arranged in the middle position between the electronic control compartment and the battery motor compartment, and the key protection compartment is arranged on the battery motor compartment; the electronic control compartment is used to open the mechanical lock electronically; the battery motor compartment is used to protect the battery of the mechanical lock, and the key protection compartment is used to protect the key of the mechanical lock; the present invention provides an electronic transformation device for a mechanical door lock, which can solve the technical problem that in order to adapt to different door bodies, the lock body, lock core, inner panel need to be replaced, and operations such as cutting and punching need to be performed.

Description

Technical Field

[0001] The present invention belongs to the technical field of door locks, and in particular relates to an electronic transformation device for a mechanical door lock. Background Art

[0002] Mechanical door locks come in a wide variety of styles and standards, all of which present the numerous challenges of carrying keys. For those without keys, remote door unlocking via password, IC card, fingerprint, facial recognition, mobile phone, or other methods has become an inevitable alternative. However, converting a mechanical door lock to an electronic one requires selecting, disassembling, and installing a specialized lock body and cylinder. This carries high product and installation costs, and requires a professional visit to perform on-site slotting, drilling, and cutting operations to complete the electronic door lock installation.

[0003] A Chinese invention with publication number CN105089374B (application number CN201510417814.X) discloses a structure for upgrading a mechanical door lock to a smart door lock. This structure provides a simple structure, low modification cost, and safe and reliable upgrade of a mechanical door lock to a smart door lock based on an existing mechanical door lock. This structure solves the technical problems of the prior art, such as the high cost and difficulty of upgrading mechanical door locks to smart door locks, which have hindered the widespread application of smart door locks. The structure includes a lock cylinder of a mechanical lock and a key that intermates and inserts into a keyhole of the lock cylinder. A linkage device and an electronic sensor are provided on the outer end surface of the key. The linkage device is provided with a radially slidable linkage rod. The outer end of the lock cylinder corresponding to the linkage device is intermately rotatably connected to an annular housing. The electronic sensor is adjacent to the outer end of the annular housing and controls the radial sliding of the linkage rod through a controller. A plurality of axial locking grooves are provided on the inner wall surface of the annular housing corresponding to the outer end of the linkage rod. When the linkage rod slides radially outward, it is intermately clamped in the axial locking grooves.

[0004] However, in the above invention, when the mechanical door lock is upgraded to the smart door lock, there is still a technical problem that the lock body, lock core, inner panel need to be replaced to adapt to different door bodies, and operations such as cutting and punching need to be performed. Summary of the Invention

[0005] In view of this, the present invention provides an electronic transformation device for a mechanical door lock, which can solve the technical problem of needing to replace the lock body, lock core, inner panel, and requiring cutting, punching and other operations to adapt to different door bodies.

[0006] The present invention is achieved in that:

[0007] The present invention provides an electronic transformation device for a mechanical door lock, comprising a mechanical lock, an electronic control compartment, a battery and motor compartment, a key protection compartment, and a mechanical password lock assembly. The electronic control compartment and the battery and motor compartment form a square structure and are arranged on the mechanical lock; the mechanical password lock assembly is arranged between the electronic control compartment and the battery and motor compartment, and the key protection compartment is arranged on the battery and motor compartment; the electronic control compartment is used to electronically open the mechanical lock; the battery and motor compartment is used to protect the battery of the mechanical lock, and the key protection compartment is used to protect the key of the mechanical lock; the mechanical password lock assembly is used to control the opening and closing of the battery and motor compartment;

[0008] The electronic control compartment includes an unlocking plate, a motor drive plate, a display screen, a fingerprint sensor, a camera, a human perception sensor and a speaker;

[0009] The battery motor compartment includes a lock control rod, a lock control plate, a lock control slot, a battery, a motor, a reducer, a protective plate and a bevel gear;

[0010] The key protection compartment includes a key protection compartment opening, a positioning point, a locking groove, a driving gear and a bearing.

[0011] The technical effects of the electronic transformation device of a mechanical door lock provided by the present invention are as follows: by setting an electronic control compartment, a battery motor compartment, a key protection compartment and a mechanical password lock component, there is no need to disassemble any device of the mechanical door lock, saving the cost of special accessories; the electronic transformation device is extremely simple and low-cost, reducing user expenses; the electronic transformation of the mechanical lock can be completed quickly, saving labor costs; there is no exposed keyhole, which improves the safety performance index of the door lock; using a mechanical password, there is no smart lock that requires a spare key, which has the problem of difficult storage; it is suitable for the electronic transformation of any form of mechanical door lock with an external panel.

[0012] On the basis of the above technical solution, the electronic transformation device of a mechanical door lock of the present invention can also be improved as follows:

[0013] Among them, the electronic control compartment and the battery motor compartment are both provided with mechanical lock tracks and handle half holes, the mechanical lock tracks are arranged on both sides of the mechanical lock, the battery motor compartment is arranged in the middle position of the mechanical lock, and the battery motor compartment coincides with the handle axis of the mechanical lock.

[0014] Furthermore, the mechanical lock track on the electronic control compartment is inserted into the mechanical lock from the top of the mechanical lock, and the mechanical lock track on the battery motor compartment is inserted into the mechanical lock from the bottom of the mechanical lock; the two handle half holes of the electronic control compartment and the battery motor compartment both coincide with the handle axis of the mechanical lock.

[0015] Furthermore, the key protection compartment opening is arranged at an upper position of the battery motor compartment, and the key protection compartment is inserted through the key protection compartment opening to protect the key of the mechanical lock.

[0016] Furthermore, the lock control plate on the lock control rod is inserted into the locking groove in the key protection compartment and fixed.

[0017] Furthermore, the mechanical password lock assembly includes an unlocking button, which is arranged in the middle position of the electronic control compartment and the battery motor compartment; the lock control slot is connected to the unlocking button, and the unlocking button is used to control the rotation of the lock control slot; the lock control rod is in the shape of a long rod, one end of the lock control rod is arranged on both sides of the unlocking button, connected to the lock control slot, and the other side of the lock control rod is fixedly connected to the protective plate; there are two lock control plates, which are respectively fixed on the inner side of the lock control rod; the lock control slot and the lock control rod and the lock control plate are controlled by the unlocking button to move downward, driving the lock control plate to disengage from the lock slot.

[0018] Furthermore, a battery spring is provided in the battery motor compartment, the locking lever, the battery spring and the protective plate are a whole, there are two battery springs, and the battery is deployed between the two battery springs; the motor, the reducer and the bevel gear are sequentially arranged inside the battery motor compartment, the bevel gear is meshed with the drive gear, the output shaft of the motor is connected to the reducer, and the motor is used to drive the reducer to rotate in one direction.

[0019] Furthermore, the unlocking plate is arranged on the control panel for inputting an electronic password; the motor drive board is arranged at the bottom of the control panel, and the display screen is arranged at the upper part of the control panel for displaying the password input through the unlocking plate; the fingerprint sensor is arranged at the upper part of the display screen for inputting a fingerprint; the camera and the human perception sensor are arranged on the top of the fingerprint sensor in sequence, the human perception sensor senses the human body, and the camera is used to monitor the situation outside the door in real time.

[0020] Furthermore, the key protection compartment is cylindrical and fixed at the lower middle part of the mechanical lock; the locking groove is arranged at the position where the key protection compartment is connected to the mechanical lock, and the locking groove is arc-shaped; the driving gear and the bearing are arranged on one side of the interior of the key protection compartment and are movably connected to the mechanical lock.

[0021] Furthermore, the mechanical lock track is installed on the door lock panel of the mechanical lock, and the door lock panel is one of a square panel, a double-circle separate panel, an American standard lock separate panel, a European standard lock separate panel, a spherical lock panel and a glass door lock panel.

[0022] Compared with the prior art, the beneficial effects of the electronic transformation device of a mechanical door lock provided by the present invention are: by setting an electronic control compartment, a battery motor compartment, a key protection compartment and a mechanical password lock component, there is no need to disassemble any device of the mechanical door lock, saving the cost of special accessories; the electronic transformation device is extremely simple and low-cost, reducing user expenses; the electronic transformation of the mechanical lock can be completed quickly, saving labor costs; there is no exposed keyhole, which improves the safety performance index of the door lock; using a mechanical password, there is no smart lock that requires a spare key, which has the problem of difficult storage; it is suitable for the electronic transformation of any form of mechanical door lock with an outer panel; it can solve the technical problems of upgrading mechanical door locks to electronic door locks for different door bodies, such as the need to select, dismantle old locks, replace special lock bodies, special lock cores, inner panels, outer panels, and the need for grooving, cutting, punching and other operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0024] Figure 1 This is a schematic diagram of the structure of a device for electronic transformation of a mechanical door lock;

[0025] Figure 2 This is a schematic diagram of the internal structure of a device for electronically transforming a mechanical door lock;

[0026] Figure 3 It is a structural diagram of a mechanical password lock assembly;

[0027] Figure 4 It is a structural diagram of the battery motor compartment;

[0028] Figure 5 This is a schematic diagram of the structure of the American Standard smart lock according to Example 1;

[0029] Figure 6 This is a structural diagram of the glass door smart lock according to Example 2;

[0030] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0031] 1. Mechanical lock; 2. Electronic control compartment; 201. Unlocking plate; 202. Mechanical lock track; 203. Handle half hole; 204. Control panel; 205. Motor drive board; 206. Display screen; 207. Fingerprint sensor; 208. Camera; 209. Human body sensing sensor; 210. Speaker; 3. Battery and motor compartment; 301. Lock control rod; 302. Lock control plate; 303. Lock control slot; 304. Battery; 305. Motor; 306. Reducer; 307. Battery spring; 308. Protective plate; 309. Bevel gear; 4. Key protection compartment; 400. Key protection compartment opening; 401. Positioning point; 402. Locking slot; 403. Drive gear; 404. Bearing; 5. Mechanical combination lock assembly; 501. Unlocking button. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0033] like Figure 1-4 FIG. 1 is a schematic diagram of the structure of an electronic transformation device for a mechanical door lock provided by the present invention. In the figure, there are a mechanical lock 1, an electronic control compartment 2, a battery motor compartment 3, a key protection compartment 4, and a mechanical password lock assembly 5. The electronic control compartment 2 and the battery motor compartment 3 form a square structure and are arranged on the mechanical lock 1; the mechanical password lock assembly 5 is arranged in the middle position between the electronic control compartment 2 and the battery motor compartment 3, and the key protection compartment 4 is arranged on the battery motor compartment 3; the electronic control compartment 2 is used to electronically open the mechanical lock 1; the battery motor compartment 3 is used to protect the battery of the mechanical lock 1, and the key protection compartment 4 is used to protect the key of the mechanical lock 1; the mechanical password lock assembly 5 is used to control the switch of the battery motor compartment 3;

[0034] The electronic control compartment 2 includes an unlocking plate 201, a motor drive plate 205, a display screen 206, a fingerprint sensor 207, a camera 208, a human perception sensor 209, and a speaker 210;

[0035] The battery motor compartment 3 includes a lock control rod 301, a lock control plate 302, a lock control slot 303, a battery 304, a motor 305, a reducer 306, a protective plate 308 and a bevel gear 309;

[0036] The key protection compartment 4 includes a key protection compartment opening 400 , a positioning point 401 , a locking slot 402 , a driving gear 403 and a bearing 404 .

[0037] Among them, in the above technical scheme, the electronic control compartment 2 and the battery motor compartment 3 are both provided with a mechanical lock track 202 and a handle half hole 203, the mechanical lock track 202 is arranged on both sides of the mechanical lock 1, and the battery motor compartment 3 is arranged in the middle position of the mechanical lock 1, and the battery motor compartment 3 coincides with the handle axis of the mechanical lock 1.

[0038] Furthermore, in the above technical solution, the mechanical lock track 202 on the electronic control compartment 2 is inserted into the mechanical lock 1 from the top of the mechanical lock 1, and the mechanical lock track 202 on the battery motor compartment 3 is inserted into the mechanical lock 1 from the bottom of the mechanical lock 1; the two handle half holes 203 of the electronic control compartment 2 and the battery motor compartment 3 both coincide with the handle axis of the mechanical lock 1.

[0039] Furthermore, in the above technical solution, the key protection compartment 400 is arranged at the upper position of the battery motor compartment 3, and the key protection compartment 4 is inserted through the key protection compartment 400 to protect the key of the mechanical lock 1.

[0040] Furthermore, in the above technical solution, the lock control plate 302 on the lock control rod 301 is inserted into the locking groove 402 in the key protection compartment 4 and fixed.

[0041] Furthermore, in the above technical solution, the mechanical password lock assembly 5 includes an unlocking button 501, which is arranged in the middle position of the electronic control compartment 2 and the battery motor compartment 3; the lock control slot 303 is connected to the unlocking button 501, and the unlocking button 501 is used to control the rotation of the lock control slot 303; the lock control rod 301 is in the shape of a long rod, and one end of the lock control rod 301 is arranged on both sides of the unlocking button 501 and is connected to the lock control slot 303, and the other side of the lock control rod 301 is fixedly connected to the protective plate 308; there are two lock control plates 302, which are respectively fixed on the inner side of the lock control rod 301; the lock control slot 303 and the lock control rod 301 and the lock control plate 302 are controlled by the unlocking button 501 to move downward, driving the lock control plate 302 to disengage from the lock slot 402.

[0042] When in use, the lock control slot 303 on the lock control rod 301 is controlled by the unlocking button 501 on the mechanical combination lock assembly 5. Under the premise that the password of the mechanical combination lock assembly 5 is correct, the unlocking button 501 is pressed toward the password wheel of the mechanical combination lock assembly 5, and the unlocking button 501 is disengaged from the lock control slot 303. The lock control rod 301 and the lock control plate 302 move downward, and the lock control plate 302 and the lock slot 402 are disengaged, and the key protection compartment 4 is pulled out, ensuring emergency unlocking when the electronic unlocking fails;

[0043] The lock control rod 301, the battery spring 307, and the protective plate 308 are a whole, and the battery 304 is deployed between the two battery springs 307. Under the premise that the password of the mechanical combination lock assembly 5 is correct, the unlocking button 501 allows the lock control rod 301 to drive the battery 304 out of the battery motor compartment 3 so that the battery can be replaced and charged.

[0044] Furthermore, in the above technical solution, a battery spring 307 is also provided in the battery motor compartment 3, the locking rod 301, the battery spring 307 and the protective plate 308 are a whole, there are two battery springs 307, and the battery 304 is deployed between the two battery springs 307; the motor 305, the reducer 306 and the bevel gear 309 are arranged in sequence inside the battery motor compartment 3, the bevel gear 309 is meshed with the drive gear 403, the output shaft of the motor 305 is connected to the reducer 306, and the motor 305 is used to drive the reducer 306 to rotate in one direction.

[0045] When in use, the motor 305 drives the reducer 306 to rotate in one direction, the bevel gear 309 drives the driving gear 403 to rotate, and the driving gear 403 drives the mechanical key in the mechanical lock 1 to rotate, thereby realizing electronic unlocking;

[0046] Through keyboard or program control, when locking is required, the motor 305 drives the reducer 306 to rotate in the opposite direction, the bevel gear 309 drives the drive gear 403 to rotate, and the drive gear 403 drives the mechanical key in the mechanical lock 1 to rotate, thereby achieving electronic locking.

[0047] Furthermore, in the above technical solution, the unlocking plate 201 is arranged on the control panel 204 for inputting the electronic password; the motor drive board 205 is arranged at the bottom of the control panel 204, and the display screen 206 is arranged at the upper part of the control panel 204 for displaying the password input through the unlocking plate 201; the fingerprint sensor 207 is arranged at the upper part of the display screen 206 for inputting the fingerprint; the camera 208 and the human body perception sensor 209 are arranged on the top of the fingerprint sensor 207 in sequence, the human body perception sensor 209 senses the human body, and the camera 208 is used to monitor the situation outside the door in real time.

[0048] When in use, the control panel 204 inputs the correct password or the correct RF card or the fingerprint sensor 207 inputs the correct fingerprint or the camera 208 inputs the correct face, which can drive the motor 305 to drive the reducer 306 to rotate in one direction, the bevel gear 309 drives the driving gear 403 to rotate, and the driving gear 403 drives the mechanical key in the mechanical lock 1 to rotate, thereby realizing electronic unlocking.

[0049] Furthermore, in the above technical solution, the key protection chamber 4 is cylindrical and fixed in the lower middle part of the mechanical lock 1; the locking groove 402 is arranged at the position where the key protection chamber 4 is connected to the mechanical lock 1, and the locking groove 402 is arc-shaped; the driving gear 403 and the bearing 404 are arranged on one side of the interior of the key protection chamber 4 and are movably connected to the mechanical lock 1.

[0050] When in use, the lock control slot 303 on the lock control rod 301 is controlled by the unlocking button 501 on the mechanical combination lock assembly 5. Under the premise that the password of the mechanical combination lock assembly 5 is correct, the unlocking button 501 is pressed toward the password wheel of the mechanical combination lock assembly 5, and the unlocking button 501 is disengaged from the lock control slot 303. The lock control rod 301 and the lock control plate 302 move downward, and the lock control plate 302 and the lock slot 402 are disengaged, and the key protection compartment 4 is pulled out, ensuring emergency unlocking when the electronic unlocking fails;

[0051] The lock lever 301, battery spring 307, and protective plate 308 are integrated into a whole. The battery 304 is disposed between the two battery springs 307. When the password of the mechanical combination lock assembly 5 is correct, the unlocking button 501 causes the lock lever 301 to drive the battery 304 out of the battery motor compartment 3, so that the battery can be replaced and charged.

[0052] Inputting a correct password or a correct RF card on the control panel 204, inputting a correct fingerprint on the fingerprint sensor 207, or inputting a correct face on the camera 208 can drive the motor 305 to drive the reducer 306 to rotate in one direction, and the bevel gear 309 drives the drive gear 403 to rotate, and the drive gear 403 drives the mechanical key in the mechanical lock 1 to rotate, thereby realizing electronic unlocking;

[0053] Through keyboard or program control, when locking is required, the motor 305 drives the reducer 306 to rotate in the opposite direction, the bevel gear 309 drives the drive gear 403 to rotate, and the drive gear 403 drives the mechanical key in the mechanical lock 1 to rotate, thereby achieving electronic locking.

[0054] Furthermore, in the above technical solution, the mechanical lock track 202 is installed on the door lock panel of the mechanical lock 1, and the door lock panel is one of a square panel, a double-circle discrete panel, an American standard lock discrete panel, a European standard lock discrete panel, a spherical lock panel and a glass door lock panel.

[0055] Example 1: American Standard Smart Lock

[0056] like Figure 5As shown, the American Standard smart lock has a pitch of 139.7mm and adopts a double ball and lower handle. It can be installed on apartment doors and main doors. It uses 3D face recognition, biometric fingerprint, and RF radio frequency card to unlock. A 6-digit mechanical password is set as an emergency unlocking plan to prevent malfunction and charging. The American Standard smart lock is equipped with two 18650 lithium batteries. The locking mode is automatic locking, manual locking, and conditional locking. Use the * and # keys to enter the setting and follow the navigation.

[0057] The installation method of the American Standard smart lock is:

[0058] 1. Use a screwdriver to loosen the four screws inside the door;

[0059] 2. Pull the ball or handle outward from the outside of the door;

[0060] 3. Ensure that there is a gap of more than 2mm between the ball or handle outside the door and the door panel;

[0061] 4. Insert the smart lock into the gap from top to bottom;

[0062] 5. Tighten 4 screws inside the door;

[0063] 6. Insert the key above into the keyhole;

[0064] 7. Confirm that the password is correct and insert the fingerprint compartment into the opening of the smart lock.

[0065] 8. Insert two 18650 batteries;

[0066] 9. Close the battery cover;

[0067] 10. Record the mechanical password lock number to the cloud (scan the code), then scramble the password and the installation is complete.

[0068] Example 2: Smart lock for glass door

[0069] like Figure 6 As shown, the glass door smart lock uses 3D face recognition, biometric fingerprint, and RF radio frequency card to unlock, and is navigated in Chinese and English. A 6-digit mechanical password is set as an emergency unlocking plan to prevent failure and charging. Two 18650 lithium batteries are installed inside, and the locking methods are automatic locking, manual locking, and conditional locking. The installation method is to insert the smart lock between the mechanical lock and the glass.

[0070] Specifically, the principle of the present invention is as follows: Inside the room, loosen 2-4 screws of the mechanical door lock; pull the outdoor mechanical door lock outward to create a gap of more than 2mm between it and the door panel; insert the unlocking controller into the gap from above; insert the battery box into the gap from below; tighten the screws inside the room; install the battery and close the battery cover; insert the key into the lock cylinder and close the protective cover; after installation, enter the setup;

[0071] The lock control slot 303 on the lock control rod 301 is controlled by the unlocking button 501 on the mechanical combination lock assembly 5. Under the premise that the password of the mechanical combination lock assembly 5 is correct, the unlocking button 501 is pressed toward the password wheel of the mechanical combination lock assembly 5, and the unlocking button 501 is disengaged from the lock control slot 303. The lock control rod 301 and the lock control plate 302 move downward, and the lock control plate 302 and the lock slot 402 are disengaged, and the key protection compartment 4 is pulled out, ensuring emergency unlocking in the event of electronic unlocking failure;

[0072] The lock lever 301, battery spring 307, and protective plate 308 are integrated into a whole. The battery 304 is disposed between the two battery springs 307. When the password of the mechanical combination lock assembly 5 is correct, the unlocking button 501 causes the lock lever 301 to drive the battery 304 out of the battery motor compartment 3, so that the battery can be replaced and charged.

[0073] Inputting a correct password or a correct RF card on the control panel 204, inputting a correct fingerprint on the fingerprint sensor 207, or inputting a correct face on the camera 208 can drive the motor 305 to drive the reducer 306 to rotate in one direction, and the bevel gear 309 drives the drive gear 403 to rotate, and the drive gear 403 drives the mechanical key in the mechanical lock 1 to rotate, thereby realizing electronic unlocking;

[0074] Through keyboard or program control, when locking is required, the motor 305 drives the reducer 306 to rotate in the opposite direction, the bevel gear 309 drives the drive gear 403 to rotate, and the drive gear 403 drives the mechanical key in the mechanical lock 1 to rotate, thereby achieving electronic locking.

Claims

1. A device for electronic transformation of mechanical door locks, characterized in that: The invention comprises a mechanical lock (1), an electronic control compartment (2), a battery motor compartment (3), a key protection compartment (4), and a mechanical password lock assembly (5); the electronic control compartment (2) and the battery motor compartment (3) form a square structure and are arranged on the mechanical lock (1); the mechanical password lock assembly (5) is arranged in the middle position of the electronic control compartment (2) and the battery motor compartment (3), and the key protection compartment (4) is arranged on the battery motor compartment (3); the electronic control compartment (2) is used to open the mechanical lock (1) electronically; the battery motor compartment (3) is used to protect the battery of the mechanical lock (1), and the key protection compartment (4) is used to protect the key of the mechanical lock (1); the mechanical password lock assembly (5) is used to control the switch of the battery motor compartment (3); The electronic control compartment (2) includes an unlocking plate (201), a motor driving plate (205), a display screen (206), a fingerprint sensor (207), a camera (208), a human body sensing sensor (209), and a speaker (210); The battery motor compartment (3) includes a locking rod (301), a locking plate (302), a locking slot (303), a battery (304), a motor (305), a speed reducer (306), a protective plate (308), and a bevel gear (309); The key protection compartment (4) comprises a key protection compartment opening (400), a positioning point (401), a locking groove (402), a driving gear (403) and a bearing (404); The mechanical password lock assembly (5) comprises an unlocking button (501), which is arranged at a middle position between the electronic control compartment (2) and the battery motor compartment (3); the lock control slot (303) is connected to the unlocking button (501), and the unlocking button (501) is used to control the rotation of the lock control slot (303); the lock control rod (301) is in the shape of a long rod, and one end of the lock control rod (301) is arranged on both sides of the unlocking button (501). The locking control slot (303) is connected to the locking control rod (301), and the other side of the locking control rod (301) is fixedly connected to the protective plate (308); the locking control plates (302) are two and are respectively fixed to the inner side of the locking control rod (301); the locking control slot (303) and the locking control rod (301) and the locking control plate (302) are controlled by the unlocking button (501) to move downward, thereby driving the locking control plate (302) to disengage from the locking slot (402); A battery spring (307) is also provided in the battery motor compartment (3); the locking lever (301), the battery spring (307) and the protective plate (308) are integrated; there are two battery springs (307); and the battery (304) is disposed between the two battery springs (307); the motor (305), the reducer (306) and the bevel gear (309) are sequentially provided inside the battery motor compartment (3); the bevel gear (309) is meshedly connected with the driving gear (403); the output shaft of the motor (305) is connected with the reducer (306); and the motor (305) is used to drive the reducer (306) to rotate in one direction.

2. The electronic transformation device for a mechanical door lock according to claim 1, characterized in that: The electronic control compartment (2) and the battery motor compartment (3) are both provided with a mechanical lock track (202) and a handle half hole (203); the mechanical lock track (202) is provided on both sides of the mechanical lock (1); the battery motor compartment (3) is provided in the middle of the mechanical lock (1); and the battery motor compartment (3) coincides with the handle axis of the mechanical lock (1).

3. The electronic transformation device for a mechanical door lock according to claim 2, characterized in that: The mechanical lock track (202) on the electronic control compartment (2) is inserted into the mechanical lock (1) from the top of the mechanical lock (1), and the mechanical lock track (202) on the battery motor compartment (3) is inserted into the mechanical lock (1) from the bottom of the mechanical lock (1); the two handle half holes (203) of the electronic control compartment (2) and the battery motor compartment (3) both coincide with the handle axis of the mechanical lock (1).

4. The electronic transformation device for a mechanical door lock according to claim 3, characterized in that: The key protection compartment opening (400) is arranged at an upper position of the battery motor compartment (3), and the key protection compartment (4) is inserted through the key protection compartment opening (400) to protect the key of the mechanical lock (1).

5. The electronic transformation device for a mechanical door lock according to claim 4, characterized in that: The lock control plate (302) on the lock control rod (301) is inserted into the lock slot (402) in the key protection compartment (4) and fixed.

6. The electronic transformation device for a mechanical door lock according to claim 5, characterized in that: The unlocking plate (201) is arranged on a control panel (204) and is used for inputting an electronic password; the motor driving plate (205) is arranged at the bottom of the control panel (204); the display screen (206) is arranged at the top of the control panel (204) and is used for displaying the password input through the unlocking plate (201); the fingerprint sensor (207) is arranged at the top of the display screen (206) and is used for inputting a fingerprint; the camera (208) and the human body perception sensor (209) are sequentially arranged on the top of the fingerprint sensor (207); the human body perception sensor (209) senses a human body, and the camera (208) is used for real-time monitoring of the situation outside the door.

7. The electronic transformation device for a mechanical door lock according to claim 6, characterized in that: The key protection chamber (4) is cylindrical and fixed at the middle and lower part of the mechanical lock (1); the locking groove (402) is arranged at the position where the key protection chamber (4) is connected to the mechanical lock (1), and the locking groove (402) is arc-shaped; the driving gear (403) and the bearing (404) are arranged on one side of the interior of the key protection chamber (4) and are movably connected to the mechanical lock (1).

8. The electronic transformation device for a mechanical door lock according to claim 7, characterized in that: The mechanical lock track (202) is installed on the door lock panel of the mechanical lock (1), and the door lock panel is one of a square panel, a double-circle separate panel, an American standard lock separate panel, a European standard lock separate panel, a spherical lock panel and a glass door lock panel.

Images