Lock body of fingerprint lock

By designing the lock body of the fingerprint lock and combining the key lock cylinder and the fingerprint lock cylinder, the problems of convenient unlocking and insufficient waterproofing of motorcycle and electric bicycle trunk locks are solved, providing a convenient unlocking method and backup key unlocking security.

CN223739164UActive Publication Date: 2025-12-30HAINAN KAIXIN TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520103543.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-12-30
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing motorcycle and electric bicycle trunk locks suffer from problems such as inconvenient key unlocking, unstable Bluetooth unlocking, and insufficient waterproofing.

Method used

Design a fingerprint lock body that includes a key lock cylinder and a fingerprint lock cylinder, uses a fingerprint sensor and a motor, sets a sealing ring to improve water resistance, and unlocks the latch by key or fingerprint recognition. Combining the key lock cylinder and fingerprint recognition unlocking mechanism, it provides two unlocking methods, offering the convenience of key locks for easy unlocking.

Benefits of technology

It features a convenient unlocking method, provides a backup key for unlocking, and enhances waterproofing with a sealing ring, making it suitable for outdoor use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of locks, and particularly relates to a lock body of a fingerprint lock, a key lock cylinder and a fingerprint lock cylinder which are used for controlling an unlocking mechanism are arranged in the lock body of the fingerprint lock, the fingerprint lock cylinder comprises a fingerprint sensor and a motor, and the key lock cylinder and the fingerprint lock cylinder which are used for controlling the unlocking mechanism are arranged in a lock shell. Unlocking can be achieved in two different modes, the fingerprint lock cylinder unlocking mode is more convenient, the key lock cylinder serves as a standby unlocking mode, and additional guarantee is provided for successful unlocking. The first installation groove corresponding to the key lock cylinder and the second installation groove corresponding to the fingerprint sensor are formed in the lock shell, the interiors of the first installation groove and the second installation groove are separated from other areas in the lock shell, and the sealing ring is arranged between the fingerprint sensor and the second installation groove, so that installation of the key lock cylinder and the fingerprint sensor is relatively closed; certain waterproofness is achieved, and the purpose of preventing rainwater is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lockset, specifically relates to a lock body of fingerprint lock. BACKGROUND

[0002] Many motorcycles or electric bicycles are equipped with a trunk, and the trunk usually needs to be locked for anti-theft. At present, the lockset for the trunk is commonly opened by a key. This mode of opening by a key is conducive to cost reduction, but it is not very convenient to use and is prone to the situation of forgetting to take the key to open the lock. At present, there is also a trunk lockset that is opened by a Bluetooth mode. This way of opening by Bluetooth is prone to the situation of time-consuming and unstable Bluetooth connection, and the use experience is not good. In addition, since the lockset of the trunk is arranged outside, it may be rained on, especially the lockset of the electric control type, which has certain requirements for waterproofness. SUMMARY

[0003] The utility model aims at providing a lock body of fingerprint lock to realize convenient unlocking of the trunk lockset and improve the waterproofness of the outdoor lockset.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A lock body of fingerprint lock is provided, which comprises a lock shell, an unlocking mechanism is arranged in the lock shell, a key lock cylinder and a fingerprint lock cylinder for controlling the unlocking mechanism are arranged in the lock shell, a first mounting groove and a second mounting groove are further arranged in the lock shell, the first mounting groove and the second mounting groove are separated from other areas in the lock shell, the key lock cylinder is arranged in the first mounting groove, the fingerprint lock cylinder comprises a fingerprint sensor and a motor, the fingerprint sensor is arranged in the second mounting groove, and a sealing ring is arranged between the fingerprint sensor and the second mounting groove.

[0006] Preferably, the lock shell is provided with a rear cover, and a wire hole is arranged in the rear cover for electrically connecting the fingerprint sensor and the motor to an external electric control box through a lead wire.

[0007] Preferably, the unlocking mechanism comprises an unlocking slider, a lock tongue and a pressing slider, the unlocking slider and the lock tongue are respectively assembled in the lock shell through first and second elastic return members, a pressing portion of the pressing slider extends out of the lock shell, the lock tongue is carried on the pressing slider, and the unlocking slider blocks the pressing slider, the unlocking slider cooperates with the key lock cylinder and the motor, and is used for controlling the unlocking slider to remove the block of the pressing slider through the key lock cylinder or the motor.

[0008] Preferably, the pressing slider is provided with a supporting part for supporting the lock tongue, and the lock tongue is provided with a limiting rod part extending out of the lock shell.

[0009] Preferably, the key lock cylinder is provided with a first pushing part, and the unlocking slider is provided with a baffle part corresponding to the first pushing part; the motor of the fingerprint lock cylinder is provided with a second pushing part located at the end of the unlocking slider.

[0010] Preferably, the sliding directions of the unlocking slider and the pressing slider are transverse and longitudinal respectively, the pressing slider is provided with an insertion plate at the front end, the unlocking slider is provided with an insertion slot at the lower side, the insertion slot is provided with a blocking strip, and the insertion plate is provided with an unlocking slot corresponding to the blocking strip.

[0011] Preferably, the lock shell is provided with a first guide position and a second guide position; the first guide position is a transverse guide slot, and the unlocking slider is arranged in the guide slot; the second guide position is a vertical guide rail, the lock tongue is provided with a guide slot corresponding thereto, and the guide rail is provided with a guide rod, the lock tongue and the pressing slider are provided with guide holes corresponding thereto, and the lock tongue and the pressing slider are arranged on the guide rail.

[0012] Preferably, the lock shell is provided with a first guide position and a second guide position; the first guide position is a transverse guide slot, and the unlocking slider is arranged in the guide slot; the second guide position is a vertical guide rail, the lock tongue is provided with a guide slot corresponding thereto, and the guide rail is provided with a guide rod, the lock tongue and the pressing slider are provided with guide holes corresponding thereto, and the lock tongue and the pressing slider are arranged on the guide rail.

[0013] Preferably, the limiting hook part of the lock catch opening and closing plate is provided with a rear guide slope surface at the lower side, and the top surface of the limiting rod part is provided with a front guide slope surface corresponding thereto.

[0014] Preferably, the lock catch is provided with a swing limiting slot at the inner side of the rear part, and the lock catch opening and closing plate is provided with a swing limiting protrusion corresponding thereto.

[0015] Compared with the prior art, the fingerprint lock has the beneficial effects that: the lock body is provided with an unlocking mechanism for limiting the opening and closing plate of the lock catch, and the key lock cylinder and the fingerprint lock cylinder for controlling the unlocking mechanism are arranged in the lock shell, the fingerprint lock cylinder includes a fingerprint sensor and a motor, the opening and closing plate of the lock catch can be separated from the limitation of the unlocking mechanism by the key lock cylinder or the fingerprint lock cylinder, the key lock cylinder and the fingerprint lock cylinder are arranged in the lock shell, the lock can be opened in two different ways, the fingerprint lock cylinder is more convenient, and the key lock cylinder is used as a backup unlocking mode to provide additional protection for successful unlocking. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the principles of the present application, and do not constitute a limitation of the present application. In the drawings:

[0017] Figure 1 It is a structure schematic view of the lock body of the fingerprint lock of the present application.

[0018] Figure 2 It is a structure schematic view of the lock body of the fingerprint lock of the present application.

[0019] Figure 3 It is a structure schematic view of the lock body of the fingerprint lock of the present application.

[0020] Figure 4 It is a structure schematic view of the lock body of the fingerprint lock of the present application.

[0021] Figure 5 It is a structure schematic view of the lock body of the fingerprint lock of the present application.

[0022] Figure 6 It is a structure schematic view of the lock body of the fingerprint lock of the present application.

[0023] Figure 7 It is a structure schematic view of the lock body of the fingerprint lock of the present application.

[0024] Figure 8 It is a structure schematic view of the lock body of the fingerprint lock of the present application.

[0025] Figure 9 For Figure 1 A enlarged view of A part of the figure.

[0026] Figure 10 For the structure diagram of the lock body of the fingerprint lock, and the control box and the lock catch seat matched therewith. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the present application.

[0028] In one embodiment, a lock body of a fingerprint lock is provided, as shown in Figures 1-3 The lock body 100 of the fingerprint lock comprises a lock shell 110, the lock shell 110 is provided with a rear cover, an unlocking mechanism is arranged in the lock shell 110, a key lock cylinder 170 and a fingerprint lock cylinder for controlling the unlocking mechanism are arranged in the lock shell 1100, the fingerprint lock cylinder comprises a fingerprint sensor 180 and a motor 160, a first mounting groove 116 corresponding to the key lock cylinder 170 and a second mounting groove 117 corresponding to the fingerprint sensor 180 are arranged in the lock shell 110, the first mounting groove 116 is a cylinder matched with the key lock cylinder 170, the key lock cylinder 170 is arranged in the first mounting groove 116, the fingerprint sensor 180 is arranged in the second mounting groove 117, a sealing ring is arranged between the fingerprint sensor 180 and the second mounting groove 117, the first mounting groove 116 and the second mounting groove 117 are separated from other areas in the lock shell 110, by arranging the first mounting groove 116 and the second mounting groove 117, the installation of the key lock cylinder 170 and the fingerprint sensor 180 is relatively closed, and a certain waterproof performance is achieved.

[0029] Further, as shown in Figure 4 A threading hole 118 is arranged on the rear cover at the rear side of the lock shell 110, the circuit of the fingerprint sensor 180 and the motor 160 is connected to the external control box through the threading hole 118, so that the circuit board can be arranged in the control box outside the lock body, and the control box can be installed in the trunk for protection.

[0030] Further, in another embodiment, as shown in Figure 2 and Figures 5-6As shown, the unlocking mechanism in the lock body of the fingerprint lock includes an unlocking slider 140, a lock bolt 156, and a pressing slider 150. The unlocking slider 140 is used to block the pressing slider 150. When the unlocking slider 140 unblocks the pressing slider 150, the pressing slider 150 can slide to be unblocked. Specifically, the lock bolt 156 is provided with a limiting rod part 151 on each side. The rear part of the lock shell 110 is provided with a side hole 111 corresponding to the limiting rod part 151. The limiting rod part 151 extends from the side hole 111 to play a locking role. The pressing slider 150 is further provided with a pressing part 152 extending out of the lock shell 110 at the rear part. The rear part of the lock shell 110 is provided with a rear hole 112 corresponding to the pressing part 152. The pressing part 152 extends from the rear hole 112. When the unlocking slider 140 unblocks the pressing slider 150, the pressing part 152 can be manually pressed inward to push the lock bolt 156 to slide, so that the limiting rod part 151 is unlocked, and the lock is opened.

[0031] As shown in Figure 2 and Figure 5 The unlocking slider 140 and the pressing slider 150 are assembled in the lock shell 110 through a first elastic reset part 141 and a second elastic reset part 153, respectively. The first elastic reset part 141 and the second elastic reset part 153 are both springs. The unlocking slider 140 blocks the pressing slider 150. The unlocking slider 140 cooperates with the key lock cylinder 170 and the motor 160 of the fingerprint lock cylinder to control the unlocking slider 140 to unblock the pressing slider 150 through the key lock cylinder 170 or the fingerprint lock cylinder. The key lock cylinder 170 and the motor 160 of the fingerprint lock cylinder unblock the pressing slider 150 by pushing the unlocking slider 140 to shift. When the key lock cylinder 170 and the motor 160 of the fingerprint lock cylinder no longer push the unlocking slider 140 to shift, the unlocking slider 140 can reset to continue to block the pressing slider 150 under the action of the first elastic reset part 141. Similarly, if the pressing part 152 is not pressed inward, the second elastic reset part 153 can push the pressing slider 150 back to slide to reset.

[0032] Further, in another embodiment, as shown in Figure 2 and Figure 5As shown, the key lock cylinder 170 in the lock body of the fingerprint lock is provided with a first poking part 171, which is a crescent-shaped protrusion at the inner end of the key lock cylinder 170. A baffle part 142 corresponding to the first poking part 171 is provided on the unlocking slider 140. The key lock cylinder 170 can be rotated by a key, so that the first poking part 171 touches the baffle part 142 to push the unlocking slider 140 to displace and remove the blockage to the pressing slider 150. A second poking part 161 located at the end of the unlocking slider 140 is provided at the front end of the fingerprint lock cylinder. The second poking part 161 is an eccentric rod. The motor 160 rotates by a certain angle to touch the unlocking slider 140 to displace and remove the blockage to the pressing slider 150. When the key lock cylinder 170 or the motor 160 reverses, the unlocking slider 140 returns to the original position under the action of the first elastic return member 141, thereby continuing to block the pressing slider 150.

[0033] Further, in another embodiment, as shown in Figures 2-3 and Figure 5 , the sliding directions of the unlocking slider 140 and the pressing slider 150 in the lock body of the fingerprint lock are transverse and longitudinal, respectively. Here, the transverse direction refers to the left-right extending direction when the lock shell 110 is in a vertical state, and the up-down extending direction is the longitudinal direction. A plug plate 154 is provided at the front end of the pressing slider 150, and a plug groove 143 is provided at the lower side of the unlocking slider 140. A blocking strip 144 is provided in the plug groove 143. As shown in Figure 6 , an unlocking groove 155 corresponding to the blocking strip 144 is provided on the plug plate 154. When the unlocking slider 140 is pushed to move to the right, the plug plate 154 is aligned with the plug groove 143, and the blocking strip 144 is aligned with the unlocking groove 155. At this time, the unlocking slider 140 no longer blocks the pressing slider 150. By providing the blocking strip 144, the displacement distance of the unlocking slider 140 needs to be accurate to achieve unlocking, thereby improving the security of the lock.

[0034] Further, in another embodiment, as shown in Figures 5-6 , the bolt 156 in the lock body of the fingerprint lock is arranged at the rear side of the pressing slider 150. A supporting part 158 for supporting the bolt 156 is arranged on the pressing slider 150. The pressing part 152 is arranged at the bottom of the pressing slider 150. By separating the bolt 156 and the pressing slider 150 for processing, the bolt 156 can be made of high-strength metal, and the pressing slider 150 can be made of plastic with good hand feeling. When the limiting rod part 151 protrudes out of the lock shell 110, the limiting rod part 151 at the end of the bolt 156 made of metal is not easy to be damaged, thereby playing a role in preventing theft.

[0035] Further, in another embodiment, as shown in Figures 2-3As shown, the lock body of the fingerprint lock is provided with a first guide position 113 and a second guide position 114 corresponding to the unlocking slide 140 and the lock tongue 156 and the pressing slide 150 respectively, wherein the first guide position 113 is a horizontal guide groove, the unlocking slide 140 is arranged in the guide groove, the second guide position 114 is two vertical guide rails 114, a guide groove 158 is arranged on the back of the lock tongue 156 in correspondence, and a vertical outward guide rod 115 is arranged on the guide rail 114, a guide hole 159 is arranged on the lock tongue 156 and the pressing slide 150 in correspondence, the pressing slide 150 and the lock tongue 156 are arranged on the guide rail 114, the guide rod 115 is located in the guide hole 159 on the lock tongue 156 and the pressing slide 150, the sliding distance of the lock tongue 156 and the pressing slide 150 is limited by the guide rod 115, and the lock tongue 156 and the pressing slide 150 are more stable in installation.

[0036] Further, as shown in Figure 1 and Figures 7-8 The lock catch opening and closing plate 120 is hinged on the lock shell 110, the lock catch 130 is hinged on the lock catch opening and closing plate 120, the lock hook part 131 is arranged on the lock catch 130, the lock hook part 131 is located at the lower side of the front end of the two side faces of the lock catch 130, the lock catch opening and closing plate 120 is hinged on the first hinge shaft 121 arranged on the lock shell 110 through the ear seats extending forward on the two sides, and the lock catch 130 is hinged on the second hinge shaft 122 arranged on the lock catch opening and closing plate 120 through the side plates on the two sides.

[0037] The lock tongue 156 is used for limiting the lock catch opening and closing plate 120, the limiting hook part 123 is arranged on the lock catch opening and closing plate 120 in correspondence, the limiting rod part 151 is clamped on the limiting hook part 123, when the limiting rod part 151 is separated from the limiting hook part 123, the lock can be unlocked, the limiting of the lock catch opening and closing plate 120 is released, at this time, the lock catch opening and closing plate 120 can be operated to swing to drive the lock catch 130 to separate from the hanging shaft 310, the lock catch opening and closing plate 120 is operated to swing upward along the first hinge shaft 121, and the lock catch 130 is synchronously swung, and the lock catch 130 can swing backward along the second hinge shaft 122.

[0038] The lock body 100 of the fingerprint lock can be used on the trunk of a motorcycle, and Figure 10The control box 200 and the lock catch seat 300 are matched, the control box 200 is provided with a circuit board 210 and a battery, the circuit board 210 is provided with a control circuit corresponding to the fingerprint sensor 180 and the motor 160, the battery and the fingerprint sensor 180 and the motor of the fingerprint lock core are electrically connected with the corresponding circuit on the circuit board 210, so as to realize the fingerprint identification and control the motor action, the main function of the circuit board is to identify the fingerprint and control the motor, and the existing functional circuit on the market can be adopted. The unlocking eye of the key lock core 170 and the fingerprint sensor 180 are arranged on the rear side of the lock shell 110, the motor is located in the inside of the lock shell 110, the unlocking mechanism can be opened through the key matched with the key lock core 170, the motor is controlled to open the unlocking mechanism when the fingerprint touch fingerprint sensor 180 is successfully compared with the pre-recorded fingerprint, therefore, there are two unlocking modes, when the unlocking mechanism is opened through the key lock core 170 or the fingerprint lock core, the lock catch opening and closing plate 120 can be separated from the limiting of the unlocking mechanism, at this time, the lock can be opened.

[0039] Since the lock body of the fingerprint lock is provided with the key lock core 170 and the fingerprint lock core for controlling the unlocking mechanism in the lock shell 110, the lock can be opened in two different ways, the fingerprint lock core opening mode is more convenient, the key lock core 170 is used as a backup opening mode, and additional protection is provided for the successful opening.

[0040] When used, the lock body 100 is installed on the outside of the box body, the control box 200 is installed on the inside of the box body, and the lock catch seat 300 is installed on the box cover. The hanging shaft 310 corresponding to the lock hook part 131 is arranged on the lock catch seat 300, when the lock catch opening and closing plate 120 is swung downward and drives the lock catch 130 to be buckled on the lock shell 110, the lock hook part 131 can be hung on the hanging shaft 310, so as to lock the lock catch 130 on the lock catch seat 300, when the lock catch opening and closing plate 120 is swung upward, the lock catch 130 is driven to be swung upward synchronously through the lock catch opening and closing plate 120 to separate from the hanging shaft 310, and the unlocking is realized.

[0041] Further, in another embodiment, as shown in Figure 1 and Figure 9 The lower side of the limiting hook part 123 on the lock catch opening and closing plate 120 is a downward rear guide slope surface 124, and the top surface of the limiting rod part 151 is provided with a front guide slope surface 151-1, so that when the sliding block 150 is not blocked by the unlocking sliding block 140 and directly presses the lock catch opening and closing plate 120 downward, the limiting rod part 151 can be clamped into the lower side of the limiting hook part 123 on the lock catch opening and closing plate 120 under the cooperation of the guide slope surfaces 124 and 151-1.

[0042] Combined with Figure 8 The swing limiting groove 132 is arranged in the inside of the rear part of the side plate of the lock catch 130, as shown in Figure 9As shown, the swing limiting protrusion 125 is arranged on the lock opening and closing plate 120 correspondingly, when the lock catch 130 is hinged on the lock opening and closing plate 120, the swing limiting protrusion 125 is located in the swing limiting slot 132, thereby the swing range of the lock opening and closing plate 120 can be limited, and the operation is more convenient.

[0043] It should be noted that the lock body of the fingerprint lock can be used on the trunk of a motorcycle or other boxes, doors and other use scenarios. In addition to the lock catch opening and closing plate 120 and the lock catch 130, the lock body can also be used in cooperation with the lock tongue hole and other structures arranged on the door, box and the like.

[0044] It should be noted that in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lock body of a fingerprint lock, comprising a lock housing, an unlocking mechanism is arranged in the lock housing, a key cylinder and a fingerprint cylinder for operating the unlocking mechanism are arranged in the lock housing, characterized in that: The lock shell is also provided with a first mounting groove and a second mounting groove, which are separated from other areas in the lock shell, the key lock cylinder is arranged in the first mounting groove, the fingerprint lock cylinder comprises a fingerprint sensor and a motor, the fingerprint sensor is arranged in the second mounting groove, and a sealing ring is arranged between the fingerprint sensor and the second mounting groove.

2. The lock body of a fingerprint lock according to claim 1, wherein: The lock shell is provided with a rear cover, a wire hole is arranged on the rear cover, and the fingerprint sensor and the motor are electrically connected to an external electric control box through the wire hole.

3. The lock body of the fingerprint lock according to claim 1, wherein: The unlocking mechanism comprises an unlocking slider, a lock tongue and a pressing slider, the unlocking slider and the lock tongue are respectively assembled in the lock shell through first and second elastic return members, the pressing slider is provided with a pressing portion extending out of the lock shell, the lock tongue is carried on the pressing slider, and the unlocking slider blocks the pressing slider, the unlocking slider is matched with the key lock cylinder and the motor, and is used for controlling the unlocking slider to release the blocking of the pressing slider through the key lock cylinder or the motor.

4. The lock body of a fingerprint lock according to claim 3, wherein: The pressing slider is provided with a carrying portion for carrying the lock tongue, and the lock tongue is provided with a limiting rod portion extending out of the lock shell.

5. The lock body of a fingerprint lock according to claim 3, wherein: The key lock cylinder is provided with a first actuating portion, and the unlocking slider is provided with a baffle portion corresponding to the first actuating portion; the motor of the fingerprint lock cylinder is provided with a second actuating portion located at the end of the unlocking slider.

6. The lock body of a fingerprint lock according to claim 3, wherein: The sliding directions of the unlocking slider and the pressing slider are transverse and longitudinal respectively, the pressing slider is provided with a plug plate at the front end, the unlocking slider is provided with a plug groove corresponding to the lower side, a blocking strip is arranged in the plug groove, and the plug plate is provided with an unlocking groove corresponding to the blocking strip.

7. The lock body of a fingerprint lock according to claim 3, wherein: The lock shell is provided with a first guide position and a second guide position; the first guide position is a transverse guide groove, and the unlocking slider is arranged in the guide groove; the second guide position is a vertical guide rail, the lock tongue is provided with a guide groove corresponding to the lock tongue, a guide rod is arranged on the guide rail, and the lock tongue and the pressing slider are provided with guide holes corresponding to the lock tongue and the pressing slider, and the lock tongue and the pressing slider are arranged on the guide rail.

8. The lock body of the fingerprint lock of claim 4, wherein: The lock shell is hinged with a lock catch opening and closing plate, the lock catch opening and closing plate is hinged with a lock catch, and the lock catch is provided with a lock hook portion; the lock catch opening and closing plate is provided with a limiting hook portion corresponding to the limiting rod portion.

9. The lock body of a fingerprint lock according to claim 8, wherein: The lower side of the limiting hook portion on the lock catch opening and closing plate is a rear guide slope, and the top surface of the limiting rod portion is provided with a front guide slope.

10. The lock body of the fingerprint lock of claim 8, wherein: A swing limiting groove is arranged in the inner side of the rear portion of the lock catch, and a swing limiting protrusion is arranged on the lock catch opening and closing plate.