阅读说明：本技术 一种通用型指纹锁体 (General type fingerprint lock body ) 是由 王云辉 于 2021-09-28 设计创作，主要内容包括：一种通用型指纹锁体,涉及一种锁体,由通用件和锁体连接件A组成,通用件包括锁盖、锁体及设置在锁盖内依次连接的电路板、电池和电机固定板,锁体与锁盖固定连接,在电路板固定板的后部两侧均设有延伸的弧形耳板,在弧形耳板的前部均开设有凹陷面,在凹陷面底部设有螺丝孔,电路板及电池均卡接在两侧弧形耳板之间,在电机固定板的后面固定有电机,锁体套设在电机的外部,电机固定板通过沉头螺丝A与锁体固定连接；本发明通过设置通用件与不同的锁片或锁芯配套,便于统一生产,且能够有效降低制作难度和成本,通用性较好。(A universal fingerprint lock body relates to a lock body, which consists of a universal part and a lock body connecting piece A, wherein the universal part comprises a lock cover, a lock body, a circuit board, a battery and a motor fixing plate which are sequentially connected and arranged in the lock cover, the lock body is fixedly connected with the lock cover, two sides of the rear part of the circuit board fixing plate are respectively provided with an extended arc-shaped ear plate, the front part of each arc-shaped ear plate is provided with a sunken surface, the bottom of each sunken surface is provided with a screw hole, the circuit board and the battery are clamped between the arc-shaped ear plates at the two sides, the rear surface of the motor fixing plate is fixed with a motor, the lock body is sleeved outside the motor, and the motor fixing plate is fixedly connected with the lock body through a countersunk screw A; the universal part is matched with different locking plates or lock cylinders, so that the universal lock cylinder is convenient for unified production, can effectively reduce the manufacturing difficulty and cost, and has better universality.)

1. The utility model provides a general type fingerprint lock body comprises general piece and lock body connecting piece A, characterized by: the universal piece comprises a lock cover, a lock body, a circuit board, a battery and a motor fixing plate, wherein the circuit board, the battery and the motor fixing plate are sequentially connected in the lock cover;

lock body connecting piece A includes base and locking plate A, the base passes through the rubber packing ring cover and establishes the outside at the lock body, the base is cylindricly, be equipped with the external screw thread on the excircle face, the plane has all been milled to the both sides of base, and through spring and locating pin and lock body fixed connection in the excircle face rear portion through-hole, the cooperation has the nut on the external screw thread of base, the cooperation has the locking plate A of oblong on the arc extension piece at base rear portion, locking plate A passes through the screw fixed with the screw of lock body rear end portion.

2. The universal fingerprint lock body as claimed in claim 1, wherein: an arc-shaped notch is formed in the outer circular surface of the lower portion of the locking plate A and matched with the arc-shaped extension piece at the rear portion of the base, and a through hole penetrating through the screw is formed in the lower portion surface of the locking plate A.

3. The utility model provides a general type fingerprint lock body comprises general piece and lock body connecting piece B, characterized by: the universal piece comprises a lock cover, a lock body, a circuit board, a battery and a motor fixing plate, wherein the circuit board, the battery and the motor fixing plate are sequentially connected in the lock cover, the lock body is fixedly connected with the lock cover, two sides of the rear part of the circuit board fixing plate are respectively provided with an extended arc-shaped lug plate, the front part of each arc-shaped lug plate is provided with a recessed surface, the bottom of each recessed surface is provided with a screw hole, the circuit board and the battery are respectively clamped between the arc-shaped lug plates on the two sides, the motor 7 is fixed behind the motor fixing plate, the lock body is sleeved outside the motor, and the motor fixing plate is fixedly connected with the lock body through a countersunk screw A; lock body connecting piece B includes base and locking plate B, the base passes through the rubber packing ring cover and establishes the outside at the lock body, the base is cylindricly, be equipped with the external screw thread on the excircle face, the plane has all been milled to the both sides of base, and through spring and locating pin and lock body fixed connection in the excircle face rear portion through-hole, the cooperation has the nut on the external screw thread of base, the cooperation has "L" shape locking plate B that the level was placed on the arc extension piece at base rear portion, locking plate B passes through the screw and fixes with the screw hole of lock body rear end portion.

4. The universal fingerprint lock body as claimed in claim 3, wherein: the locking plate B comprises a rotating piece and a long handle, the rotating piece is in a pear shape with one large end and one small end and is arranged in the arc-shaped extending piece at the rear part of the base, a through hole penetrating through the screw is formed in the middle of the rotating piece, and the long handle is fixedly connected with the small end face of the rotating piece.

5. The utility model provides a general type fingerprint lock body comprises general piece and lock body connecting piece C, characterized by: the universal piece comprises a lock cover, a lock body, a circuit board, a battery and a motor fixing plate, wherein the circuit board, the battery and the motor fixing plate are sequentially connected in the lock cover; lock body connecting piece C includes lock core and back seat, the lock core passes through rubber packing ring and countersunk head screw C to be fixed at the rear portion of lock body, the back seat comprises the cylinder section of one side and the square seat that the rear portion extends, the rear portion of lock body and lock core cup joint in the cylinder section of back seat, and lock through spring and locating pin, be fixed with U-shaped locking plate C on the face of being connected of cylinder section and square seat, be equipped with the cavity of placing locking plate D in square seat, arch on the lock core cooperatees with "U" shape concave surface on the locking plate D.

6. A lock according to claim 1, 2 or 3, wherein: the convex columns are arranged on two sides of the inside of the lock shell and are arranged in the concave surfaces of the arc-shaped lug plates on two sides of the circuit board fixing plate.

7. A lock according to claim 1, 2 or 3, wherein: the motor fixing plate is characterized in that U-shaped steps are arranged on two sides of the motor fixing plate, screw holes are formed in the step surfaces, arc-shaped grooves are formed in the outer side surfaces of the steps, three insertion holes are formed between the two U-shaped steps at intervals, extension pieces are arranged on the upper portion and the lower portion of each insertion hole in the middle of the motor fixing plate, the opposite surfaces of the two extension pieces are arranged to be planes, the outer surfaces of the two extension pieces are arranged to be arc-shaped surfaces, planes are milled on the upper surface and the lower surface of the front portion of the motor, and the planes on the motor are matched with the two extension pieces respectively; the lock body comprises a flange plate at the front part and a cylindrical section at the rear part, two extending pieces of a motor fixing plate are matched with the plane of a motor and then sleeved in the cylindrical section, L-shaped connecting seats are fixed at two sides of the front surface of the flange plate of the lock body, the transverse sections of the L-shaped connecting seats are respectively arranged in U-shaped steps at two sides of the motor fixing plate, screw holes on the transverse sections of the L-shaped connecting seats are arranged corresponding to screw holes on the step surfaces of the U-shaped steps and are fixedly connected through countersunk screws A; the vertical section of the L-shaped connecting seat respectively passes through the arc-shaped groove on the outer side surface of the step and is arranged corresponding to the screw hole at the bottom of the concave surface of the arc-shaped ear plate, and is fixedly connected with the screw hole through a countersunk head screw B.

8. A lock according to claim 1, 2 or 3, wherein: the middle part of the circuit board fixing plate is provided with a through hole, three concave grooves are arranged outside the through hole along the circumferential direction of the circuit board fixing plate, a convex circle matched with the through hole of the circuit board fixing plate is arranged on the inner surface of the circuit board, and three convex blocks are arranged outside the convex circle along the circumferential direction of the convex circle and are respectively arranged in the three concave grooves.

9. The universal fingerprint lock body as claimed in claim 5, wherein: the four corners on the back seat are all provided with connecting holes which are respectively arranged corresponding to the through holes at the four corners on the locking plate C and are fixed by screws.

10. A lock according to claim 1, 2 or 3, wherein: the outer circle surface of the positioning pin is provided with a notch, the eccentric shaft at the rear part of the motor is clamped in the notch, and the spring is sleeved on the convex column at the lower part of the positioning pin.

Technical Field

The invention relates to a lock body, in particular to a universal fingerprint lock body.

Background

As is known, the fingerprint lock is an intelligent lock, and the fingerprint authentication has the characteristics of convenience, rapidness, accuracy and the like. With the popularization of science and technology and the development of smart homes, more and more people also start to select fingerprint locks; the existing fingerprint lock is provided with a lock cylinder corresponding to a lock body, the universality cannot be realized, the manufacture is troublesome, and the unified production is not facilitated.

Disclosure of Invention

In order to overcome the defects in the background art, the invention discloses a universal fingerprint lock body.

In order to realize the purpose, the invention adopts the following technical scheme:

a general fingerprint lock body is composed of a general part and a lock body connecting piece A, wherein the general part comprises a lock cover, a lock body, a circuit board, a battery and a motor fixing plate which are sequentially connected in the lock cover, the lock body is fixedly connected with the lock cover, two sides of the rear part of the circuit board fixing plate are respectively provided with an extended arc-shaped ear plate, the front part of each arc-shaped ear plate is provided with a concave surface, the bottom of each concave surface is provided with a screw hole, the circuit board and the battery are respectively clamped between the arc-shaped ear plates at the two sides, the rear part of the motor fixing plate is fixedly provided with a motor, the lock body is sleeved outside the motor, and the motor fixing plate is fixedly connected with the lock body through a countersunk screw A;

lock body connecting piece A includes base and locking plate A, the base passes through the rubber packing ring cover and establishes the outside at the lock body, the base is cylindricly, be equipped with the external screw thread on the excircle face, the plane has all been milled to the both sides of base, and through spring and locating pin and lock body fixed connection in the excircle face rear portion through-hole, the cooperation has the nut on the external screw thread of base, the cooperation has the locking plate A of oblong on the arc extension piece at base rear portion, locking plate A passes through the screw fixed with the screw of lock body rear end portion.

A general fingerprint lock body is composed of a general part and a lock body connecting piece B, wherein the general part comprises a lock cover, a lock body, a circuit board, a battery and a motor fixing plate which are sequentially connected in the lock cover, the lock body is fixedly connected with the lock cover, two sides of the rear part of the circuit board fixing plate are respectively provided with an extended arc-shaped ear plate, the front part of each arc-shaped ear plate is provided with a concave surface, the bottom of each concave surface is provided with a screw hole, the circuit board and the battery are respectively clamped between the arc-shaped ear plates at the two sides, a motor 7 is fixed at the back of the motor fixing plate, the lock body is sleeved outside the motor, and the motor fixing plate is fixedly connected with the lock body through a countersunk screw A;

lock body connecting piece B includes base and locking plate B, the base passes through the rubber packing ring cover and establishes the outside at the lock body, the base is cylindricly, be equipped with the external screw thread on the excircle face, the plane has all been milled to the both sides of base, and through spring and locating pin and lock body fixed connection in the excircle face rear portion through-hole, the cooperation has the nut on the external screw thread of base, the cooperation has "L" shape locking plate B that the level was placed on the arc extension piece at base rear portion, locking plate B passes through the screw and fixes with the screw hole of lock body rear end portion.

A general fingerprint lock body is composed of a general part and a lock body connecting piece C, wherein the general part comprises a lock cover, a lock body, a circuit board, a battery and a motor fixing plate which are sequentially connected in the lock cover, the lock body is fixedly connected with the lock cover, two sides of the rear part of the circuit board fixing plate are respectively provided with an extended arc-shaped ear plate, the front part of each arc-shaped ear plate is provided with a concave surface, the bottom of each concave surface is provided with a screw hole, the circuit board and the battery are respectively clamped between the arc-shaped ear plates at the two sides, the rear part of the motor fixing plate is fixedly provided with a motor, the lock body is sleeved outside the motor, and the motor fixing plate is fixedly connected with the lock body through a countersunk screw A;

lock body connecting piece C includes lock core and back seat, the lock core passes through rubber packing ring and countersunk head screw C to be fixed at the rear portion of lock body, the back seat comprises the cylinder section of one side and the square seat that the rear portion extends, the rear portion of lock body and lock core cup joint in the cylinder section of back seat, and lock through spring and locating pin, be fixed with U-shaped locking plate C on the face of being connected of cylinder section and square seat, be equipped with the cavity of placing locking plate D in square seat, arch on the lock core cooperatees with "U" shape concave surface on the locking plate D.

The general fingerprint lock body is characterized in that convex columns are arranged on two sides of the inside of the lock shell and arranged in concave surfaces of arc-shaped ear plates on two sides of the circuit board fixing plate.

The universal fingerprint lock body is characterized in that U-shaped steps are arranged on two sides of a motor fixing plate, screw holes are formed in the surfaces of the steps, arc-shaped grooves are formed in the outer side surfaces of the steps, three insertion holes are formed between the two U-shaped steps at intervals, extension pieces are arranged on the upper portion and the lower portion of each insertion hole in the middle of the step, the opposite surfaces of the two extension pieces are arranged to be planes, the outer surfaces of the two extension pieces are arranged to be arc-shaped surfaces, planes are milled on the upper surface and the lower surface of the front portion of the motor, and the planes on the motor are respectively matched with the two extension pieces;

the lock body comprises a flange plate at the front part and a cylindrical section at the rear part, two extending pieces of a motor fixing plate are matched with the plane of a motor and then sleeved in the cylindrical section, L-shaped connecting seats are fixed at two sides of the front surface of the flange plate of the lock body, the transverse sections of the L-shaped connecting seats are respectively arranged in U-shaped steps at two sides of the motor fixing plate, screw holes on the transverse sections of the L-shaped connecting seats are arranged corresponding to screw holes on the step surfaces of the U-shaped steps and are fixedly connected through countersunk screws A; the vertical section of the L-shaped connecting seat respectively passes through the arc-shaped groove on the outer side surface of the step and is arranged corresponding to the screw hole at the bottom of the concave surface of the arc-shaped ear plate, and is fixedly connected with the screw hole through a countersunk head screw B.

The universal fingerprint lock body is characterized in that a through hole is formed in the middle of a circuit board fixing plate, three concave grooves are formed in the outer portion of the through hole along the circumferential direction of the circuit board fixing plate, convex circles matched with the through hole of the circuit board fixing plate are arranged on the inner face of the circuit board, and three convex blocks are arranged in the three concave grooves respectively in the outer portion of each convex circle along the circumferential direction of the convex circle.

General type fingerprint lock body, be equipped with the arc breach on the outer disc of locking plate A lower part, matched with on arc breach and the base rear portion arc extend piece, be equipped with the through-hole that passes the screw on locking plate A's the lower part face.

General type fingerprint lock body, locking plate B include revolving fragment and long handle, the revolving fragment is the little pear shape of the big one end of one end, and sets up in base rear portion arc extension piece, the revolving fragment middle part is equipped with the through-hole that passes the screw, long handle and the little terminal surface fixed connection of revolving fragment.

The universal fingerprint lock body is characterized in that connecting holes are formed in four corners of the back seat, correspond to through holes in four corners of the locking plate C and are fixed through screws.

The universal fingerprint lock body is characterized in that a notch is formed in the outer circular surface of the positioning pin, an eccentric shaft at the rear part of the motor is clamped in the notch, and the spring is sleeved on the convex column at the lower part of the positioning pin.

Due to the adoption of the technical scheme, the invention has the following beneficial effects:

the universal fingerprint lock body is matched with different lock plates or lock cylinders through the universal parts, so that the universal fingerprint lock body is convenient for unified production, can effectively reduce the manufacturing difficulty and cost, and has better universality.

Drawings

Fig. 1 is a rear structural view of embodiment 1 of the present invention.

Fig. 2 is a schematic side view of embodiment 1 of the present invention.

Fig. 3 is an exploded view of fig. 2.

Fig. 4 is a schematic side view of embodiment 2 of the present invention.

Fig. 5 is a rear structure diagram of embodiment 2 of the present invention.

Fig. 6 is an exploded view of fig. 4.

Fig. 7 is a rear structure diagram of embodiment 3 of the present invention.

Fig. 8 is a schematic side view of embodiment 3 of the present invention.

Fig. 9 is an exploded view of fig. 8.

In the figure: 1. a lock case; 2. a circuit board fixing plate; 3. a circuit board; 4. a battery; 5. countersunk screws; 6. a motor fixing plate; 7. a motor; 8. a lock body; 9. a rubber gasket; 10. a convex column; 11. a recessed surface; 12. a screw hole; 13. an arc-shaped ear plate; 14. a groove; 15. an extension piece; 16. a plane; 17. a vertical section; 18. a screw hole; 19. a spring; 20. positioning pins; 21. a base; 22. a countersunk head screw B; 23. a nut; 24. a locking plate A; 25. a screw; 26. a locking plate B; 27. a protrusion; 28. a countersunk head screw D; 29. a lock cylinder; 30. a rear seat; 31. a locking plate C; 32. and a locking plate D.

Detailed Description

The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.

The general fingerprint lock body described in the attached figures 1-3 is composed of a general part and a lock body connecting part A, wherein the general part comprises a lock cover 1, a lock body 8, a circuit board 3, a battery 4 and a motor fixing plate 2 which are sequentially connected in the lock cover 1, the lock body 8 is fixedly connected with the lock cover 1, two sides of the rear part of the circuit board fixing plate 2 are respectively provided with an extended arc-shaped ear plate 13, the front part of each arc-shaped ear plate 13 is provided with a concave surface 11, the bottom of each concave surface 11 is provided with a screw hole 12, the circuit board 3 and the battery 4 are respectively clamped between the arc-shaped ear plates 13 at two sides, the rear part of the motor fixing plate 2 is fixedly provided with a motor 7, the lock body 8 is sleeved outside the motor 7, and the motor fixing plate 6 is fixedly connected with the lock body 8 through a countersunk screw A5;

lock body connecting piece A includes base 21 and locking plate A24, base 21 establishes the outside at lock body 8 through rubber packing ring 9 cover, base 21 is cylindricly, be equipped with the external screw thread on the excircle face, base 21's both sides have all been milled the plane, and spring 19 and locating pin 20 and lock body 8 fixed connection in through-hole of excircle face rear portion, the cooperation has nut 23 on base 21's the external screw thread, the cooperation has the locking plate A24 of oblong on the arc extension piece at base 21 rear portion, locking plate A24 is fixed through screw 25 and the screw 18 of lock body 8 rear end portion.

With reference to fig. 4-6, the universal fingerprint lock body is composed of a universal part and a lock body connecting part B, the universal part includes a lock cover 1, a lock body 8, and a circuit board 3, a battery 4 and a motor fixing plate 2 which are sequentially connected in the lock cover 1, the lock body 8 is fixedly connected with the lock cover 1, two sides of the rear part of the circuit board fixing plate 2 are respectively provided with an extended arc-shaped ear plate 13, the front part of the arc-shaped ear plate 13 is respectively provided with a recessed surface 11, the bottom of the recessed surface 11 is provided with a screw hole 12, the circuit board 3 and the battery 4 are respectively clamped between the arc-shaped ear plates 13 at two sides, the rear part of the motor fixing plate 2 is fixed with a motor 7, the lock body 8 is sleeved outside the motor 7, and the motor fixing plate 6 is fixedly connected with the lock body 8 through a sunk screw a 5;

lock body connecting piece B includes base 21 and locking plate B26, base 21 establishes the outside at lock body 8 through rubber packing ring 9 cover, base 21 is cylindricly, be equipped with the external screw thread on the excircle face, base 21's both sides have all been milled the plane, and through spring 19 and locating pin 20 and lock body 8 fixed connection in the excircle face rear portion through-hole, the cooperation has nut 23 on base 21's the external screw thread, the cooperation has "L" shape locking plate B26 that the level was placed on the arc extension piece at base 21 rear portion, locking plate B26 is fixed through the screw hole of screw 13 with lock body 4 rear end portion.

The general fingerprint lock body shown in the attached figures 7-9 is composed of a general part and a lock body connecting part C, the general part comprises a lock cover 1, a lock body 8, a circuit board 3, a battery 4 and a motor fixing plate 2 which are sequentially connected in the lock cover 1, the lock body 8 is fixedly connected with the lock cover 1, two sides of the rear part of the circuit board fixing plate 2 are respectively provided with an extended arc-shaped ear plate 13, the front part of each arc-shaped ear plate 13 is provided with a concave surface 11, the bottom of each concave surface 11 is provided with a screw hole 12, the circuit board 3 and the battery 4 are respectively clamped between the arc-shaped ear plates 13 at two sides, the rear part of the motor fixing plate 2 is fixedly provided with a motor 7, the lock body 8 is sleeved outside the motor 7, and the motor fixing plate 6 is fixedly connected with the lock body 8 through a sunk screw A5;

lock body connecting piece C includes lock core 29 and back seat 30, lock core 29 passes through rubber packing ring 9 and countersunk screw C28 to be fixed at the rear portion of lock body 8, back seat 30 comprises the cylinder section of one side and the square seat that the rear portion extends, the rear portion of lock body 8 and lock core 29 cup joint in the cylinder section of back seat 30, and lock through spring 19 and locating pin 20, be fixed with U-shaped locking plate C31 on the face of being connected of cylinder section and square seat, be equipped with the cavity of placing locking plate D32 in the square seat, protruding 27 on the lock core 29 cooperatees with "U" shape concave surface on the locking plate D32.

The general fingerprint lock body is characterized in that convex columns 10 are arranged on two sides of the interior of the lock shell 1, and the convex columns 10 are arranged in concave surfaces 11 of arc-shaped lug plates 13 on two sides of the circuit board fixing plate 2.

The universal fingerprint lock body is characterized in that U-shaped steps are arranged on two sides of a motor fixing plate 6, screw holes are formed in the step surfaces, arc-shaped grooves 14 are formed in the outer side surfaces of the steps, three insertion holes are formed between the two U-shaped steps at intervals, extension pieces 15 are arranged on the upper portion and the lower portion of each insertion hole in the middle of the step surface, opposite surfaces of the two extension pieces 15 are arranged to be planes, the outer portions of the two extension pieces are arranged to be arc-shaped surfaces, planes 16 are milled on the upper surface and the lower surface of the front portion of a motor 7, and the planes 16 on the motor 7 are respectively matched with the two extension pieces 15;

the lock body 8 comprises a flange plate at the front part and a cylindrical section at the rear part, two extending pieces 15 of the motor fixing plate 6 are matched with a plane 16 of the motor 7 and then sleeved in the cylindrical section, L-shaped connecting seats are fixed at two sides of the front surface of the flange plate of the lock body 8, transverse sections of the L-shaped connecting seats are respectively arranged in U-shaped steps at two sides of the motor fixing plate 6, screw holes on the transverse sections of the L-shaped connecting seats are arranged corresponding to screw holes on the step surfaces of the U-shaped steps and are fixedly connected through countersunk screws A5; the vertical section of the L-shaped connecting seat respectively passes through the arc-shaped groove 14 on the outer side surface of the step and is arranged corresponding to the screw hole 12 at the bottom of the concave surface 11 of the arc-shaped ear plate 13, and is fixedly connected with the screw hole through a countersunk head screw B22.

The general type fingerprint lock body, be equipped with the through-hole in the middle part of circuit board fixed plate 2, be equipped with three depressed groove in the through-hole outside along its circumferencial direction, be equipped with on the inner face of circuit board with 2 through-hole matched with convex circles of circuit board fixed plate, be equipped with three lug along its circumferencial direction in the outside of convex circle and set up respectively in three depressed groove.

General type fingerprint lock body, be equipped with the arc breach on the excircle face of locking plate A24 lower part, the arc breach is matched with on the arc extension piece of base 21 rear portion, is equipped with the through-hole that passes screw 25 on the lower part face of locking plate A24.

General type fingerprint lock body, locking plate B26 include revolving fragment and long handle, the revolving fragment is the little pear shape of the big one end of one end, and sets up in base 21 rear portion arc extension piece, the revolving fragment middle part is equipped with the through-hole that passes screw 25, long handle and the little terminal surface fixed connection of revolving fragment.

The universal fingerprint lock body is characterized in that connecting holes are formed in four corners of the back seat 30, correspond to through holes in four corners of the locking plate C31 and are fixed through screws.

The universal fingerprint lock body is characterized in that a notch is formed in the outer circular surface of the positioning pin 20, an eccentric shaft at the rear part of the motor 7 is clamped in the notch, and the spring 19 is sleeved on a convex column at the lower part of the positioning pin 20.

As shown in attached figures 1-3, when the universal fingerprint lock body is used, unlocking is performed by identifying a fingerprint which is collected and stored in advance, after the fingerprint identification is successful, the circuit board 3 controls the motor 7 to start, the rotation of the eccentric shaft at the rear part of the motor 7 drives the positioning pin 20 to pull out, and the locking plate A24 on the rotary lock body 8 rotates by 90 degrees to complete unlocking.

As shown in the attached figures 4-6, when the universal fingerprint lock body is used, unlocking is carried out by identifying the fingerprints collected and stored in advance, after the fingerprints are successfully identified, the circuit board 3 controls the motor 7 to start, the eccentric shaft at the rear part of the motor 7 rotates to drive the positioning pin 20 to pull out, and the locking plate B26 on the rotary lock body 8 rotates 180 degrees to complete unlocking.

7-9, when in use, the lock is unlocked by identifying the fingerprint which is collected and stored in advance, after the fingerprint identification is successful, the circuit board 3 controls the motor 7 to start, the rotation of the eccentric shaft at the rear part of the motor 7 drives the positioning pin 20 to pull out, the angle of the rotating rear seat 30 is 90 degrees, and simultaneously the bulge 27 on the rear part of the lock core 29 drives the locking plate D32 in the rear seat 30 to rotate, so as to complete the unlocking.

The present invention is not described in detail in the prior art.

The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments which fall within the spirit and scope of the invention.