CN211691847U - Dual-purpose intelligent lock for indoor door and drawer - Google Patents

Abstract

The utility model provides an indoor door and dual-purpose intelligent lock of drawer which characterized in that: the intelligent lock comprises an external handle and an internal lock body; the front side of the handle is provided with a fingerprint head which is mainly used for collecting fingerprints and comparing the fingerprints; a USB interface is arranged below the reverse side of the handle, four screw columns are arranged above the reverse side of the handle, the four screw columns are connected with the upper part of the handle seat through screws, four round holes are formed in the outer end of the upper part of the handle seat, and the screws penetrate through the round holes to fix the upper part of the handle seat on the handle; the inner of handle seat upper portion is equipped with two screw post one, is equipped with the square double-screw bolt in the middle of the handle seat upper portion, and handle seat upper portion below is equipped with handle seat lower part, is equipped with round hole one in the middle of the handle seat lower part, and there is square arch round hole a week, and square arch on the handle seat lower part is entangled square screw post screw one and is fixed handle seat upper portion under the handle seat.

Description

Dual-purpose intelligent lock for indoor door and drawer

Technical Field

The utility model relates to a dual-purpose intelligent lock of indoor door and drawer, the lock of the indoor door of mainly used family, bathroom door to and the locking of the drawer or the door of family's furniture (wood system furniture, steel furniture). And this intelligent lockset has the emergent function of opening, under the battery does not have the electricity or the condition of circuit trouble, can take off under the handle seat, inserts emergency key, can open drawer or indoor door.

Background

The drawer locks produced at present mainly adopt mechanical keys or passwords, are inconvenient to operate, and most of the drawer locks or inner door locks opened by fingerprints on the market at present do not have emergency opening devices, so once a drawer or a door cannot be opened, the drawer or the door can be opened only by violence. The utility model relates to a dual-purpose intelligent lock of indoor door and drawer is through increasing emergent lock unlocking mechanism, when the battery does not have the electricity or circuit trouble, can provide a humanized solution for the customer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an indoor door and dual-purpose intelligent lock of drawer is through utilizing input fingerprint control direct current motor speed reduction positive and negative rotation to drive flexible motor and control the lock spring bolt, opens latch mechanism to special cases can adopt emergency key to open. The product has simple design, low cost and convenient installation and use.

The technical scheme of the utility model is that: the utility model provides an indoor door and dual-purpose intelligent lock of drawer which characterized in that: the intelligent lock comprises an external handle and an internal lock body. The front side of the handle is provided with a fingerprint head which is mainly used for collecting fingerprints and comparing the fingerprints; a USB interface is arranged below the reverse side of the handle, four screw columns are arranged above the reverse side of the handle, the four screw columns are connected with the upper part of the handle seat through screws, four round holes are formed in the outer end of the upper part of the handle seat, and the screws penetrate through the round holes to fix the upper part of the handle seat on the handle; the inner end of the upper part of the handle seat is provided with two first screw posts, the middle of the upper part of the handle seat is provided with a square stud, the lower part of the handle seat is arranged below the upper part of the handle seat, the middle of the lower part of the handle seat is provided with a first round hole, a square bulge is arranged around the first round hole, and the square bulge on the lower part of the handle seat sleeves the first screw posts to fix the lower part of the handle seat on the upper part of the handle seat; the upper portion of the handle seat is connected with a drawer panel, a handle fixing hole is formed in the upper portion of the drawer panel, a long circular threading hole is formed in the middle of the drawer panel, an emergency locking hole is formed in the lowest portion of the drawer panel, and a second screw penetrates through the handle fixing hole and is screwed into the first screw column to fix the handle on the drawer panel.

A bottom plate is arranged on the lock body towards the outside, four round holes II are arranged at the outermost positions of four corners of the bottom plate, and four self-tapping screws penetrate through the round holes II to fix the bottom plate on the drawer panel; four counter bores are arranged in the four corner rests of the bottom plate, a long round hole is formed in the right side of the bottom plate, a round hole III is formed in the middle of the bottom plate, two counter bores I are arranged below the round hole III, an emergency lock is arranged on the reverse side of the bottom plate, a protruding key hole with steps is formed in the front side of the emergency lock, mounting screw holes are formed in the left side and the right side below the key hole, an emergency shifting piece is arranged at the rear part of the emergency lock, the key hole penetrates through the round hole III, and two countersunk screws penetrate through the counter bores and; a lock shell is arranged inwards of the lock body, studs are arranged at four corners of the lock shell, and a countersunk screw I penetrates through a counter bore in the bottom plate and is fixed on the studs; the left side of the lock body is provided with a battery box, and the right side of the lock body is provided with a main control board; the left side of the lock case is provided with a large square hole, two sides of the large square hole are provided with fixing columns, two sides of the battery box are provided with a round hole IV, the battery box is reversely buckled with the lock case, and the fixing columns penetrate through the round holes IV on the two sides of the battery box and then are fixed through a screw III; the right side of the lock shell is provided with two first fixing columns, a round hole V is formed between the first fixing columns, the middle of the main control board is provided with two round holes VI, the reverse side of the main control board is provided with a button switch, a button cap is arranged inwards from the button switch and penetrates through the round hole V, the bottom of the button cap is propped against a button switch head, a screw IV fixes the main control board on the fixing columns, and meanwhile, the button cap is also fixed on the lock shell; a square lock tongue hole is formed in the upper portion of the middle of the lock shell, a square groove with square ribs is formed in the middle of the lock shell, a second fixing column is arranged on the upper portion and the lower portion of each square groove, and a guide column is arranged between each large square hole and each square groove; the square groove is provided with a square telescopic motor, a triangular pressing plate is arranged on the telescopic motor, a screw V penetrates through the pressing plate and is fixed on the second fixing column, and a fan-shaped notch is formed in the lower end of the pressing plate and ensures that the emergency lock can only rotate anticlockwise; the telescopic motor comprises a base and an upper cover, wherein three screw holes I are formed in the base, three round holes seven are formed in the upper cover, and the round holes seven in the upper cover correspond to the screw holes I in the base and are fixed through screws six; the base is divided into three parts, the upper surface is provided with a left cavity and a right cavity, the right cavity is provided with a direct current motor, the left cavity is provided with a sliding frame, the lower part of the base is provided with a gear box groove, a gap II is arranged between the right cavity and the gear box groove, the lower end of the direct current motor is provided with an output straight gear, and the straight gear is directly communicated with the gear box groove; two concentric shaft holes are formed in the middle of the gear box groove, a middle rotating shaft is arranged in the center of each concentric shaft hole, a duplicate gear is arranged outside each middle rotating shaft, big teeth of the duplicate gear are arranged on the upper portion of each middle rotating shaft and are meshed with the straight gear, and small teeth of the duplicate gear are arranged on the lower portion of each middle rotating shaft; a third gap is formed between the left cavity and the groove of the gear box, a large gear is arranged at the rightmost side of the groove of the gear box and is meshed with the small teeth of the duplicate gear, the large gear is fixed on a transmission shaft, the transmission shaft penetrates through the third gap, and a pin is arranged at the upper part of the transmission shaft; the sliding frame in the left cavity is divided into two sections of spaces, the lower end of each space is a spring space section, the left side wall of each spring space section is provided with a rectangular groove, the upper end of each sliding frame is a transmission shaft movable space section, the upper part of each sliding frame is provided with a small tongue, each small tongue is provided with two connecting holes, the lower part of each sliding frame is provided with a linear groove, the middle of each sliding frame is provided with a round hole eight, a round hole nine is arranged between each spring space section and each transmission shaft movable space section, a spring is arranged in each spring space section of each sliding frame; the transmission shaft passes straight line groove and spring, and the pin can be rotatory round the spring, and the carriage reciprocates simultaneously, and the carriage side is equipped with "L" shape emergency arm, is equipped with the spring bolt above the carriage tongue, is equipped with square groove one in the middle of the spring bolt, and both sides are equipped with symmetrical screw hole, and the tongue inserts square groove one and through the seven connections of screw, and the spring bolt passes square spring bolt hole to can move about from top to bottom.

In normal use: inputting correct fingerprints on the handle fingerprint heads, electrifying, rotating a direct current motor, decelerating through a straight gear, a duplicate gear and a big gear, driving a sliding frame to move downwards, opening an intelligent lock, and stopping the direct current motor for 6 seconds; then the direct current motor rotates reversely, the sliding frame moves upwards, and the motor lock is restored to a locking state; when emergent opening, pull down screw one with the screwdriver, take off handle seat part, expose the emergent lockhole on the drawer panel, insert emergent key from emergent lockhole, the emergent lock of anticlockwise rotation, emergent plectrum is pressed down "L" shape and is met an emergency the arm, and the spring is compressed, and the carriage down walks, and intelligent lock is opened promptly. The intelligent lock is not only suitable for furniture drawers, but also suitable for indoor doors at home.

The utility model has the advantages that: the utility model relates to a dual-purpose intelligence lock of indoor door and drawer is through inputting fingerprint control direct current motor speed reduction positive and negative rotation drive flexible motor and control the lock spring bolt, opens latch mechanism to special cases can adopt emergent key to open. The utility model discloses processing is simple and convenient, can prevent to shake and open, more has security and novelty.

Drawings

FIG. 1 is a perspective view of the dual-purpose intelligent lock for indoor door and drawer assembly of the present invention;

FIG. 2 is a rear view of the dual-purpose intelligent lock gripper for indoor door and drawer of the present invention;

FIG. 3 is a perspective view of the dual-purpose intelligent lock gripper for indoor door and drawer of the present invention;

FIG. 4 is a perspective view of the dual-purpose intelligent lock gripper seat for an indoor door and a drawer according to the present invention;

FIG. 5 is a lower perspective view of the dual-purpose intelligent lock gripper seat for an indoor door and a drawer according to the present invention;

FIG. 6 is a perspective view of the opening of the drawer panel of the dual-purpose intelligent lock for indoor doors and drawers;

FIG. 7 is a perspective view of the indoor door and drawer dual-purpose intelligent lock gripper of the present invention;

FIG. 8 is a perspective view of the dual-purpose intelligent lock body for an indoor door and a drawer of the present invention;

FIG. 9 is a perspective view of a bottom plate of the dual-purpose intelligent lock for indoor doors and drawers;

FIG. 10 is a perspective view of the dual-purpose intelligent lock for indoor door and drawer of the present invention;

FIG. 11 is a perspective view (hidden bottom plate) of the dual-purpose intelligent lock body for indoor door and drawer of the present invention;

FIG. 12 is a perspective view of a lock case of the dual-purpose intelligent lock for indoor door and drawer of the present invention;

FIG. 13 is a perspective view of the dual-purpose intelligent lock battery box for indoor door and drawer of the present invention;

FIG. 14 is a perspective view of a main control board of the dual-purpose intelligent lock for indoor doors and drawers;

FIG. 15 is a perspective view of the dual-purpose intelligent lock button cap for indoor doors and drawers;

FIG. 16 is a perspective view of the telescopic motor of the dual-purpose intelligent lock for indoor door and drawer of the present invention;

FIG. 17 is a perspective view (with the upper cover hidden) of the retractable motor of the dual-purpose intelligent lock for indoor doors and drawers;

FIG. 18 is a perspective view of an upper cover of the dual-purpose intelligent lock for indoor door and drawer of the present invention;

FIG. 19 is a perspective view of the dual-purpose intelligent lock movable frame for indoor door and drawer of the present invention;

FIG. 20 is a perspective view of the dual-purpose intelligent lock spring for indoor door and drawer of the present invention;

fig. 21 is a perspective view of the dual-purpose intelligent lock bolt for indoor door and drawer of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Referring to fig. 1, 2, 3, 4, 5, 6 and 7, the dual-purpose intelligent lock for indoor door and drawer is characterized in that: the intelligent lock comprises an external handle 1 and an internal lock body 2; the front surface of the handle 1 is provided with a fingerprint head 3, and the fingerprint head 3 is mainly used for collecting fingerprints and comparing the fingerprints; a USB interface 4 is arranged below the reverse side of the handle 1, four screw columns 5 are arranged above the reverse side of the handle 1, the four screw columns 5 are connected with an upper part 7 of a handle seat through screws 6, four round holes 8 are arranged at the outer end of the upper part 7 of the handle seat, and the screws 6 penetrate through the round holes 8 to fix the upper part 7 of the handle seat on the handle 1; the inner end of the upper part 7 of the handle seat is provided with two first screw studs 9, the middle of the upper part 7 of the handle seat is provided with a square stud 10, the lower part of the upper part 7 of the handle seat is provided with a lower part 11 of the handle seat, the middle of the lower part 11 of the handle seat is provided with a first round hole 12, a square bulge 13 is arranged around the first round hole 12, the square bulge 13 on the lower part 11 of the handle seat sleeves the first screw stud 10, and the first screw stud 14 is used for fixing the lower part 11 of the handle seat on the upper part 7 of; the upper part 7 of the handle seat is connected with a drawer panel 15, a handle fixing hole 16 is formed in the upper portion of the drawer panel 15, an oblong threading hole 17 is formed in the middle of the drawer panel 15, an emergency locking hole 18 is formed in the lowest portion of the drawer panel, a second screw 19 penetrates through the handle fixing hole 16 and is screwed into the first screw column 9, and the handle 1 is fixed on the drawer panel 15.

Referring to fig. 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, an indoor door and drawer dual-purpose smart lock is characterized in that: a bottom plate 20 is arranged on the lock body 2 towards the outside, four round holes two 21 are arranged at the outermost positions of four corners of the bottom plate 20, and four self-tapping screws 22 penetrate through the round holes two 21 to fix the bottom plate 20 on the drawer panel 15; four counter bores 23 are arranged in the four corner rests of the bottom plate 20, a long round hole 24 is arranged on the lower right of the right, a round hole III 25 is arranged on the lower right of the middle of the bottom plate 20, two counter bores I26 are arranged below the round hole III 25, an emergency lock 27 is arranged on the reverse side of the bottom plate 20, a protruded key hole 28 with steps is arranged on the front side of the emergency lock 27, mounting screw holes 29 are arranged on the left side and the right side below the key hole 28, an emergency shifting piece 30 is arranged on the rear portion of the emergency lock 27, the key hole 28 penetrates through the round hole III 25, and two counter screws 31 penetrate through the counter; a lock shell 32 is arranged in the lock body 2, studs 33 are arranged at four corners of the lock shell 32, and a countersunk screw I34 penetrates through a counter bore 23 on the bottom plate 20 and is fixed on the studs 33; the left side of the lock body 2 is provided with a battery box 35, and the right side is provided with a main control board 36; the left side of the lock case 32 is provided with a large square hole 37, two sides of the large square hole 37 are provided with fixing columns 38, two sides of the battery box 35 are provided with round holes four 39, the battery box 35 is reversely buckled with the lock case 32, and the fixing columns 38 penetrate through the round holes four 39 on the two sides of the battery box 35 and then are fixed through screws three 40; two first fixing columns 41 are arranged on the right side of the lock shell 32, a round hole five 42 is formed between the first fixing columns 41, two round holes six 43 are formed in the middle of the main control board 36, a button switch 44 is arranged on the reverse side of the main control board, a button cap 45 is arranged inwards of the button switch 44, the button cap 45 penetrates through the round hole five 42, the bottom of the button cap 45 props against the head of the button switch 44, a screw four 45-1 is used for fixing the main control board 36 on the fixing columns 38, and meanwhile, the button cap 45 is also fixed on the lock; a square lock tongue hole 46 is formed in the upper portion of the middle of the lock shell 32, a square groove 47 with square ribs is formed in the middle of the lock shell 32, a second fixing column 48 is arranged on the upper portion and the lower portion of the square groove 47 respectively, and a guide column 49 is arranged between the large square hole 37 and the square groove 47; the square groove 47 is provided with a square telescopic motor 50, a triangular pressing plate 51 is arranged on the telescopic motor 50, a screw five 52 penetrates through the pressing plate 51 and is fixed on the second fixing column 48, the lower end of the pressing plate 51 is provided with a fan-shaped notch 53, and the fan-shaped notch 53 ensures that the emergency lock 27 can only rotate anticlockwise; the telescopic motor 50 comprises a base 54 and an upper cover 55, wherein three first screw holes 56 are formed in the base 54, three seventh round holes 57 are formed in the upper cover 55, and the seventh round holes 57 in the upper cover 55 correspond to the first screw holes 56 in the base 54 and are fixed through a sixth screw 58; the base 54 is divided into three parts, the upper part is a left cavity and a right cavity, the right cavity 59 is provided with a direct current motor 60, the left cavity 61 is provided with a sliding frame 62, the lower part of the base 54 is a gear box groove 63, a gap II 64 is arranged between the right cavity 59 and the gear box groove 63, the lower end of the direct current motor 60 is provided with an output straight gear 65, and the straight gear 65 is directly communicated with the gear box groove 63; two concentric shaft holes 66 are formed in the middle of the gear box groove 63, a middle rotating shaft 67 is arranged in the center of each concentric shaft hole 66, a duplicate gear 68 is arranged outside each middle rotating shaft 67, big duplex gear teeth 69 are arranged on the upper portion of each duplicate gear and meshed with the straight gear 65, and small duplex gear teeth 70 are arranged on the lower portion of each duplicate gear; a third gap 71 is formed between the left cavity 61 and the gear box groove 63, a large gear 72 is arranged on the rightmost side of the gear box groove 63, the large gear 72 is meshed with the duplicate gear small teeth 70, the large gear 72 is fixed on a transmission shaft 73, the transmission shaft 73 penetrates through the third gap 71, and a pin 74 is arranged at the upper part of the transmission shaft 73; the sliding frame 62 in the left cavity 61 is divided into two sections of spaces, the lower end of the sliding frame is a spring space section 75, the left side wall of the spring space section 75 is provided with a rectangular groove 76, the upper end of the sliding frame 62 is a transmission shaft moving space section 77, the upper end of the sliding frame 62 is provided with a small tongue 78, two connecting holes 79 are formed in the small tongue 78, the lower part of the sliding frame 62 is provided with a straight groove 80, the middle of the sliding frame is provided with a round hole eight 81, a round hole nine 82 is formed between the spring space section 75 and the transmission shaft moving space section 77, a spring 83 is arranged in the spring space section 75 of the sliding frame 62, two ends; the transmission shaft 73 penetrates through the straight groove 80 and the spring 83, the pin 74 can rotate around the spring 83, the sliding frame 62 moves up and down, the side face of the sliding frame 62 is provided with an L-shaped emergency arm 85, a lock tongue 86 is arranged on a small tongue 78 of the sliding frame 62, the middle of the lock tongue 86 is provided with a square groove 87, two sides of the lock tongue 86 are provided with symmetrical screw holes 88, the small tongue 78 is inserted into the square groove 87 and connected through a screw seven 89, and the lock tongue 86 penetrates through the square lock tongue hole 46 and can move up and down. In normal use: inputting correct fingerprints on the fingerprint heads 3 of the handles 1, rotating the direct current motor 60 after electrifying, reducing the speed through the straight gear 65, the duplicate gear 68 and the large gear 72, driving the sliding frame 62 to move downwards, opening the intelligent lock, and stopping the direct current motor 60 for 6 seconds; then the direct current motor 60 rotates reversely, the sliding frame 62 moves upwards, and the motor lock is restored to a locking state; when the emergency unlocking is carried out, the first screw 14 is detached by a screwdriver, the handle seat part 11 is taken down, the emergency lock hole 18 in the drawer panel 15 is exposed, an emergency key is inserted into the emergency lock hole 18, the emergency lock 27 rotates anticlockwise, the emergency shifting piece (30) presses the L-shaped emergency arm 85, the spring 83 is compressed, the sliding frame 62 moves downwards, and the intelligent lock is opened. The intelligent lock is not only suitable for furniture drawers, but also suitable for indoor doors at home.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. The utility model provides an indoor door and dual-purpose intelligent lock of drawer which characterized in that: the intelligent lock comprises an external handle (1) and an internal lock body (2); the front surface of the handle (1) is provided with a fingerprint head (3), and the fingerprint head (3) is mainly used for collecting fingerprints and comparing the fingerprints; a USB interface (4) is arranged below the reverse side of the handle (1), four screw columns (5) are arranged above the reverse side of the handle (1), the four screw columns (5) are connected with an upper part (7) of the handle seat through screws (6), four round holes (8) are formed in the outer end of the upper part (7) of the handle seat, and the screws (6) penetrate through the round holes (8) to fix the upper part (7) of the handle seat on the handle (1); the inner end of the upper part (7) of the handle seat is provided with two first screw posts (9), the middle of the upper part (7) of the handle seat is provided with a square stud (10), the lower part (11) of the handle seat is arranged below the upper part (7) of the handle seat, the middle of the lower part (11) of the handle seat is provided with a first round hole (12), square bulges (13) are arranged around the first round hole (12), and the square bulges (13) on the lower part (11) of the handle seat are sleeved on the first screw posts (14) of the square stud (10) to fix the lower part (11) of the handle seat on the upper part (7) of the handle seat; the upper part (7) of the handle seat is connected with a drawer panel (15), a handle fixing hole (16) is formed in the upper portion of the drawer panel (15), a long circular threading hole (17) is formed in the middle of the drawer panel, an emergency locking hole (18) is formed in the lowest portion of the drawer panel, a second screw (19) penetrates through the handle fixing hole (16) and is screwed into the first screw column (9), and the handle (1) is fixed on the drawer panel (15).

2. The intelligent lock of claim 1, wherein: a bottom plate (20) is arranged on the lock body (2) towards the outside, four round holes II (21) are arranged at the outermost positions of four corners of the bottom plate (20), and four self-tapping screws (22) penetrate through the round holes II (21) to fix the bottom plate (20) on the drawer panel (15); four counter bores (23) are arranged in the four corner rests of the bottom plate (20), a long round hole (24) is arranged on the lower right side of the bottom plate, a round hole III (25) is arranged on the lower right side of the middle of the bottom plate, two counter bores I (26) are arranged below the round hole III (25), an emergency lock (27) is arranged on the reverse side of the bottom plate (20), a protruding key hole (28) with steps is arranged on the front side of the emergency lock (27), mounting screw holes (29) are arranged on the left side and the right side below the key hole (28), an emergency shifting sheet (30) is arranged on the rear portion of the emergency lock (27), the key hole (28) penetrates through the round hole III (25), and two counter head screws (31) penetrate through the counter; a lock shell (32) is arranged inwards of the lock body (2), studs (33) are arranged at four corners of the lock shell (32), and a countersunk screw I (34) penetrates through a counter bore (23) in the bottom plate (20) and is fixed on the studs (33); the left side of the lock body (2) is provided with a battery box (35), and the right side is provided with a main control board (36); a large square hole (37) is formed in the left side of the lock case (32), fixing columns (38) are arranged on two sides of the large square hole (37), a round hole four (39) is formed in two sides of the battery case (35), the battery case (35) is reversely buckled with the lock case (32), and the fixing columns (38) penetrate through the round hole four (39) in the two sides of the battery case (35) and are fixed through a screw three (40); two first fixing columns (41) are arranged on the right side of the lock shell (32), a fifth round hole (42) is formed between the first fixing columns (41), a sixth round hole (43) is formed in the middle of the main control board (36), a button switch (44) is arranged on the reverse side of the main control board, a button cap (45) is arranged inwards of the button switch (44), the button cap (45) penetrates through the fifth round hole (42), the bottom of the button cap (45) pushes against the head of the button switch (44), a fourth screw (45-1) fixes the main control board (36) on the fixing columns (38), and meanwhile, the button cap (45) is also fixed on the lock shell (32); a square lock tongue hole (46) is arranged above the middle of the lock shell (32), a square groove (47) with square ribs is arranged in the middle of the lock shell (32), a second fixing column (48) is respectively arranged above and below the square groove (47), and a guide column (49) is arranged between the large square hole (37) and the square groove (47); a square telescopic motor (50) is arranged in the square groove (47), a triangular pressing plate (51) is arranged on the telescopic motor (50), a fifth screw (52) penetrates through the pressing plate (51) and is fixed on the second fixing column (48), a fan-shaped notch (53) is arranged at the lower end of the pressing plate (51), and the fan-shaped notch (53) ensures that the emergency lock (27) can only rotate anticlockwise; the telescopic motor (50) comprises a base (54) and an upper cover (55), wherein three first screw holes (56) are formed in the base (54), three seventh round holes (57) are formed in the upper cover (55), and the seventh round holes (57) in the upper cover (55) correspond to the first screw holes (56) in the base (54) and are fixed through a sixth screw (58); the base (54) is divided into three parts, a left cavity and a right cavity are arranged on the base, a direct current motor (60) is arranged in the right cavity (59), a sliding frame (62) is arranged in the left cavity (61), a gear box groove (63) is arranged on the lower part of the base (54), a second gap (64) is arranged between the right cavity (59) and the gear box groove (63), an output straight gear (65) is arranged at the lower end of the direct current motor (60), and the straight gear (65) is directly communicated with the gear box groove (63); two concentric shaft holes (66) are formed in the middle of the gear box groove (63), a middle rotating shaft (67) is arranged in the center of each concentric shaft hole (66), a duplicate gear (68) is arranged outside each middle rotating shaft (67), big duplex gear teeth (69) are arranged on the upper portion of each middle rotating shaft (67) and are meshed with the straight gear (65), and small duplex gear teeth (70) are arranged on the lower portion of each middle rotating shaft (67); a third gap (71) is formed between the left cavity (61) and the gear box groove (63), a large gear (72) is arranged on the rightmost side of the gear box groove (63), the large gear (72) is meshed with the duplicate gear small teeth (70), the large gear (72) is fixed on a transmission shaft (73), the transmission shaft (73) penetrates through the third gap (71), and a pin (74) is arranged at the upper part of the transmission shaft (73); the sliding frame (62) in the left cavity (61) is divided into two sections of spaces, the lower end of each space is a spring space section (75), the left side wall of each spring space section (75) is provided with a rectangular groove (76), the upper end of each sliding frame (62) is a transmission shaft movable space section (77), the upper end of each sliding frame (62) is provided with a small tongue (78), two connecting holes (79) are formed in each small tongue (78), the lower part of each sliding frame (62) is provided with a straight groove (80), the middle of each sliding frame is provided with a round hole eight (81), a round hole nine (82) is formed between each spring space section (75) and each transmission shaft movable space section (77), a spring (83) is arranged in each spring space section (75) of each sliding frame (62), two ends of each spring (83); the transmission shaft (73) passes through the straight groove (80) and the spring (83), the pin (74) can rotate around the spring (83), the sliding frame (62) moves up and down, the side surface of the sliding frame (62) is provided with an L-shaped emergency arm (85), the bolt (86) is arranged on the small tongue (78) of the sliding frame (62), the square groove I (87) is arranged in the middle of the bolt (86), the symmetrical screw holes (88) are formed in the two sides of the bolt, the small tongue (78) is inserted into the square groove I (87) and connected through the screw seven (89), and the bolt (86) passes through the square bolt hole (46) and can move up and down.

3. The intelligent lock of claim 1, wherein: in normal use: inputting correct fingerprints on the fingerprint head (3) of the handle (1), rotating the direct current motor (60) after power is on, decelerating through the straight gear (65), the dual gear (68) and the large gear (72), driving the sliding frame (62) to move downwards, opening the intelligent lock, and stopping the direct current motor (60) for 6 seconds; then the direct current motor (60) rotates reversely, the sliding frame (62) moves upwards, and the motor lock is restored to a locking state; when the drawer is opened in an emergency, a first screw (14) is detached by a screwdriver, the handle seat part (11) is taken down, an emergency lock hole (18) in the drawer panel (15) is exposed, an emergency key is inserted from the emergency lock hole (18), the emergency lock (27) is rotated anticlockwise, the emergency shifting piece (30) presses the L-shaped emergency arm (85), the spring (83) is compressed, the sliding frame (62) moves downwards, and the intelligent lock is opened.

4. The intelligent lock of claim 1, wherein: the intelligent lock is not only suitable for furniture drawers, but also suitable for indoor doors at home.

Images