CN219034375U - Improved firearm lockset - Google Patents

Abstract

The utility model relates to the technical field of special locks, in particular to an improved firearm lock, which comprises a fixed cavity and an unlocking cavity which are mutually connected together in a locking way at a certain interval, wherein the fixed cavity is provided with a lock beam, the unlocking cavity is provided with a lock hole and a locking device, and the trigger position of a firearm of lock Liang Chuanru is penetrated into the lock hole and locked by the locking device; the inner wall of the lock hole extends to the inside of the unlocking cavity to form a lock hole ring, a convex strip is arranged on the inner wall of the lock hole ring, a groove is arranged on the outer wall of the lock beam, and the convex strip and the groove are mutually embedded and connected, so that the lock beam is stable in the lock hole ring. The connection stability between the unlocking cavity and the lock beam is enhanced through the lockhole ring and the raised strips, and the connection stability is enhanced through the combination of the long fan ring and the short fan ring; the possibility of being damaged by external force is reduced, and the safety of the lockset is improved. Deepens the thickness of the spring bolt rack, avoids locking connection compactness to reduce, reduces the risk that the lock beam slips out from the spring bolt rack when artificial destruction.

Description

Improved firearm lockset

Technical Field

The utility model relates to the technical field of special locks, in particular to an improved firearm lock.

Background

Firearm is a very dangerous instrument with strong killing power and must be strictly kept in order to prevent loss or misuse. Especially for teenagers, the toy can be used at will by mistake, so that serious accidents occur. It is therefore necessary to keep the firearm safe and to limit it with locks so as to avoid theft or misuse.

Chinese patent publication No. CN217080036U discloses a lock for storing firearms, comprising: a bracket assembly; the first shell is fixedly connected with the bracket assembly and is provided with a lock tongue; the second shell is flexibly connected with the first shell, and is provided with a lock hole; the locking mechanism is arranged in the second shell; the lock tongue is used for fixing the trigger of the firearm, and the lock tongue passes through the lock hole and then is connected with the locking mechanism in a clamping mode.

The lock is designed to lock the firearm, but the connection between the lock tongue and the lock hole is unstable, and the lock hole is easy to deform after repeated use or violently damaged, so that the lock beam is separated when not unlocked, and the original protection function of the lock is lost. In addition, the locking mechanism is easy to be inserted and damaged by a person from a lock hole by using an iron bar or a flat needle, so that the original protection function of the lockset is lost.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a technical scheme capable of solving the problems.

An improved firearm lock comprises a fixed cavity and an unlocking cavity which are mutually connected together in a locking way at a certain interval, wherein the fixed cavity is provided with a lock beam which extends out of the fixed cavity, the unlocking cavity is provided with a lock hole for a lock Liang Chuanru and a locking device for locking the lock beam, and the trigger position of a firearm of a lock Liang Chuanru is penetrated into the lock hole and locked by the locking device, so that the firearm is locked in the interval space after the fixed cavity and the unlocking cavity are in locking connection; the inner wall of the lock hole extends to the inside of the unlocking cavity to form a lock hole ring, a convex strip is arranged on the inner wall of the lock hole ring, a groove is arranged on the outer wall of the lock beam, the lock Liang Chuanru is arranged in the lock hole and moves in the lock hole ring, and the convex strip and the groove are mutually embedded and connected, so that the lock beam is stable in the lock hole ring.

As a further scheme of the utility model: a part of the fan-shaped ring of the lock hole ring grows into a fan ring, the other part of the fan-shaped ring of the lock hole ring forms a short fan ring, the distance between the top of the long fan ring and the lock hole plane is set to be a first length, the distance between the top of the short fan ring and the lock hole plane is set to be a second length, and the first length is larger than the second length; the lockhole ring forms a notch at the position of the short fan ring, and the locking device passes through the notch to be connected with the lock Liang Suoge.

As a further scheme of the utility model: two groups of raised strips are arranged on the inner wall of the lockhole ring, two groups of grooves are arranged on the outer wall of the lock beam, and the two groups of raised strips and the two groups of grooves are respectively embedded and connected; the length of one group of raised strips in the axial direction of the lock hole ring is equal to the first length, and the length of the other group of raised strips in the axial direction of the lock hole ring is equal to the second length.

As a further scheme of the utility model: the locking device is provided with a lock tongue, a lock tongue rack, a sliding block, a pushing spring and an unlocking device, wherein the lock tongue rack is positioned at one side of the lock tongue opposite to the lock beam; the lock beam is provided with a lock beam rack, and the lock beam rack and the lock tongue rack are mutually clamped to form the locking connection; the unlocking device drives the sliding block to move so as to drive the lock tongue rack to be separated from the unlocking beam rack, so that the locking connection is unlocked; the pushing spring is used for driving the sliding block to reversely move and reset so as to drive the spring bolt rack to form the locking connection with the lock beam rack.

As a further scheme of the utility model: the spring bolt rack has tooth top, tooth root face and tooth bottom surface, and the distance of tooth top to tooth root face is set to first thickness, and the distance of tooth top to tooth bottom surface is set to the second thickness, and first thickness numerical value is 0.4 times-0.6 times of second thickness numerical value.

As a further scheme of the utility model: the unlocking device is provided with a mechanical lock cylinder, a mechanical rotating shaft and a mechanical key, one end of the mechanical rotating shaft is fixedly connected to a rotating part of the mechanical lock cylinder, and the other end of the mechanical rotating shaft is in butt joint with the sliding block; the mechanical key is inserted into the mechanical lock core to enable the rotating part to rotate, so that the mechanical rotating shaft is driven to rotate, and meanwhile, the mechanical rotating shaft rotates to drive the sliding block which is abutted against the mechanical rotating shaft to move, and the locking connection is released.

As a further scheme of the utility model: the unlocking device is provided with a motor, a cam, a circuit board, a processor chip, a battery, a power data interface and an identification component, one end of the cam is fixedly connected to a driving shaft of the motor, and the other end of the cam is abutted to the sliding block; the motor, the processor chip, the battery, the power data interface and the identification component are respectively and electrically connected to the circuit board, the processor chip is used for driving the motor to rotate and driving the cam to rotate according to the identification result of the identification component, and the cam drives the sliding block which is abutted against the cam to move when rotating, so that the locking connection is released.

As a further scheme of the utility model: the recognition component is provided with a fingerprint recognition module, and the fingerprint recognition module is electrically connected with the circuit board and is exposed on the unlocking cavity shell, so that fingerprints can be conveniently recognized.

As a further scheme of the utility model: the identification component is provided with a key identification module, the key identification module comprises a contact button and a pressing shell, the contact button is electrically connected with the circuit board, one end of the pressing shell is abutted to the contact button, and the other end of the pressing shell is exposed out of the unlocking cavity shell, so that the pressing is convenient.

As a further scheme of the utility model: the lock beam is fixed in the fixed ring by press fit between the other end of the lock beam rack, which is opposite to the lock beam, and the fixed ring; the end of one end of the lock beam pressed into the fixed ring is provided with a threaded hole, the position of the fixed block corresponding to the threaded hole is provided with a through hole, and the lock beam is connected with the fixed block through a bolt.

Compared with the prior art, the utility model has the beneficial effects that:

through setting up sand grip, recess and lockhole ring to strengthen the connection steadiness between unblanking cavity and the lock beam, through the combination of long fan ring and short fan ring, also reduced the possibility of being destroyed by external force moreover, increased the security of tool to lock itself. The thickness of the lock tongue rack is deepened, the situation that the locking connection tightness between the lock tongue rack and the lock beam rack is reduced to reduce the safety after long-term use is avoided, and meanwhile the risk that the lock beam slides out of the lock tongue rack when encountering artificial damage is reduced. And the lock is unlocked by setting different unlocking devices, so that the universality of the lock and the unlocking convenience are improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of the structure of a shackle and locking hole of the present utility model;

FIG. 2 is a schematic structural view of a keyhole ring according to the utility model;

FIG. 3 is a schematic view of the structure of the locking bolt of the present utility model;

FIG. 4 is a schematic view of the locking connection of the strike and the tongue of the present utility model;

FIG. 5 is a schematic view of the mechanical unlocking device of the present utility model;

FIG. 6 is a schematic view of the structure of the electric unlocking device of the present utility model;

FIG. 7 is a schematic view of the structure of the identification assembly of the present utility model;

FIG. 8 is a schematic diagram of a circuit board of the present utility model;

FIG. 9 is a schematic view of the structure of the fixing block of the present utility model;

FIG. 10 is a schematic view of the position and structure of a threaded hole of the present utility model;

FIG. 11 is a schematic view of the overall structure of the present utility model;

FIG. 12 is a schematic view of a closure of the present utility model;

fig. 13 is a schematic view of the structure of the ready-to-lock insertion state of the present utility model.

Reference numerals and names in the drawings are as follows:

10, fixing the cavity; 11 lock beams; 12 locking a beam rack; 13 grooves; 14 a fixing ring; 15 fixing blocks; 16 threaded holes; 20 unlocking cavity; a 21 lock hole; 22 keyhole ring; 23 long fan rings; 24 short fan rings; 25 convex strips; 28 gaps; 30 locking devices; 31 a lock tongue; 32 bolt racks; 33 tooth top; 34 tooth flanks; a 35 tooth bottom surface; 41 sliding blocks; 42 pushing the spring; a 43 position detection switch; 50 unlocking means; 51 mechanical lock cylinder; 52 mechanical spindle; 53 mechanical keys; a motor 61; 62 cams; 63 circuit boards; a 64 processor chip; a 65 battery; 66 a power data interface; 67 identifying components; a 68 fingerprint identification module; a 70 key identification module; 71 contact buttons; 72 press the housing.

Detailed Description

The following description of the technical solutions in the embodiments of the present utility model will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 13, in an embodiment of the present utility model, an improved firearm lock includes a fixing cavity 10 and an unlocking cavity 20 which are locked and connected together with each other at a certain interval, the fixing cavity 10 is provided with a lock beam 11 extending out of the fixing cavity 10, the unlocking cavity 20 is provided with a lock hole 21 for the lock beam 11 to penetrate through and a locking device 30 for locking the lock beam 11, and the trigger position of the lock beam 11 penetrating into the firearm is penetrated into the lock hole 21 and locked by the locking device 30, so that the firearm is locked in the interval space after the fixing cavity 10 and the unlocking cavity 20 are locked and connected; the inner wall of the lock hole 21 extends to the inside of the unlocking cavity 20 to form a lock hole ring 22, a convex strip 25 is arranged on the inner wall of the lock hole ring 22, a groove 13 is arranged on the outer wall of the lock beam 11, the lock beam 11 penetrates into the lock hole 21 and moves in the lock hole ring 22, and the convex strip 25 and the groove 13 are mutually embedded and connected, so that the lock beam 11 is kept stable in the lock hole ring 22.

In particular, special instruments such as firearms are required to be stored and used with great care so as not to be stolen or misused, and the firearms are locked so as to be prevented from being used by unauthorized persons, and also are very effective safekeeping measures. The firearm needs to be disassembled frequently for maintenance after not being used for a certain time, so that the lockset is required to be opened and locked repeatedly, and the service life of the lockset is also required to be prolonged. In addition, it is important for a lock to be resistant to being pried open by violence. Because the lock beam 11 needs to penetrate the lock hole 21 to be in locking connection with the locking device 30, the matching between the lock beam 11 and the lock hole 21 is very important, so that the penetration and the exit of the lock beam 11 can be smoothly performed, the lock beam 11 is ensured to be in a stable state in the lock hole 21, and the lock beam 11 is prevented from being pried out violently in the lock hole 21. The lock beam 11 is better stabilized by arranging the lock hole ring 22 in the lock hole 21, and the convex strips 25 are arranged on the lock hole ring 22, and the grooves 13 corresponding to the convex strips 25 are arranged on the lock beam 11, so that the lock beam 11 can be smoother and more stable when penetrating into the lock hole ring 22. Thereby effectively prolonging the service life of the lockset, avoiding the risk that the lock beam 11 is pried out by violence in the lockhole ring 22, improving the safety of using firearms and reducing the condition of being stolen or misused.

A part of the fan-shaped ring-shaped growth fan ring 23 of the lock hole ring 22, and the other part of the fan-shaped ring of the lock hole ring 22 forms a short fan ring 24, wherein the distance between the top of the long fan ring 23 and the plane of the lock hole 21 is set to be a first length, and the distance between the top of the short fan ring 24 and the plane of the lock hole 21 is set to be a second length, and the first length is larger than the second length; the lockhole ring 22 forms a notch 28 at the position of the short fan ring 24, and the locking device 30 passes through the notch 28 to be in locking connection with the lock beam 11.

Specifically, in order to further enhance the connection stability between the lock beam 11 and the lock hole 21, the lock hole ring 22 is specially lengthened, and the lock hole ring 22 is divided into two fan-shaped rings with different lengths, wherein the length of the long fan-shaped ring 23 is greater than that of the short fan-shaped ring 24, so that a notch 28 can be formed at the position of the short fan-shaped ring 24, the locking device 30 can conveniently extend into the lock hole ring 22 through the notch 28, and therefore, a lock tongue 31 in the locking device 30 can be in locking connection with the lock beam 11 to complete locking fit of a lockset, and a locking structure is formed for a firearm.

Two groups of raised strips 25 are arranged on the inner wall of the lockhole ring 22, two groups of grooves 13 are arranged on the outer wall of the lock beam 11, and the two groups of raised strips 25 and the two groups of grooves 13 are respectively embedded and connected; one set of ribs 25 has a length in the axial direction of the keyhole ring 22 equal to the first length, and the other set of ribs 25 has a length in the axial direction of the keyhole ring 22 equal to the second length.

Specifically, after the two groups of raised strips 25 and the two groups of grooves 13 are respectively embedded and connected, the lock beam 11 can move more stably in the lockhole ring 22, the difficulty of picking the lock can be increased, and the safety is further improved. The lengths of the two groups of raised strips 25 in the axial direction of the lockhole ring 22 are respectively equal to the lengths of the long fan ring 23 and the short fan ring 24, so that the protection effect is achieved to the greatest extent. It will be appreciated that more than two sets of ribs 25 and grooves 13 may be provided as desired. In addition, the two sets of grooves 13 on the lock beam 11 may be longer or shorter in the axial direction of the lock beam 11, where the long grooves 13 extend to the lock beam 11 located in the fixing cavity 10, and the convex strips 25 corresponding to the grooves 13 are also disposed on the fixing cavity 10 where the lock beam 11 is fixed or on the casing of the fixing cavity 10, so that the connection of the lock beam 11 in the fixing cavity 10 is more stable.

The locking device 30 is provided with a lock tongue 31, a lock tongue rack 32, a sliding block 41, a pushing spring 42 and an unlocking device 50, wherein the lock tongue rack 32 is positioned on the side of the lock tongue 31 opposite to the lock beam 11; the lock beam 11 is provided with a lock beam rack 12, and the lock beam rack 12 and the lock tongue rack 32 are mutually clamped to form the locking connection; the unlocking device 50 drives the sliding block 41 to move so as to drive the lock tongue rack 32 to leave the lock beam rack 12, thereby unlocking the locking connection; the pushing spring 42 is used for driving the sliding block 41 to reversely move and reset so as to drive the lock tongue rack 32 to form the locking connection with the lock beam rack 12.

Specifically, the lock tongue rack 32 and the lock beam rack 12 both have a plane and an inclined plane, when the lock beam rack 12 passes through the lock hole 21 and enters the lock hole ring 22, the inclined plane of the lock beam rack 12 and the inclined plane of the lock tongue rack 32 are in contact with each other, so that the two inclined planes interact to form sliding, the lock tongue rack 32 drives the lock tongue 31 and the slide block 41 to move in a direction away from the lock beam 11, so that the lock tongue rack 32 and the lock beam rack 12 are mutually embedded, the plane of the lock beam rack 12 is in contact with the plane of the lock tongue rack 32, and the slide block 41 moves reversely under the reverse pushing force of the pushing spring 42, so that the lock tongue rack 32 and the lock beam rack 12 form locking connection.

The tongue rack 32 has a tooth top 33, a tooth bottom 34, and a tooth bottom 35, the distance from the tooth top 33 to the tooth bottom 34 being set to a first thickness, the distance from the tooth top 33 to the tooth bottom 35 being set to a second thickness, the first thickness being 0.4-0.6 times the second thickness.

Specifically, in order to make the lock tongue rack 32 stronger and prevent the lock tongue rack 32 from being pried by tools such as steel needles, the lock tongue rack 32 is specially thickened, but if only the lock tongue rack 32 is thickened, the strength of the lock tongue 31 itself is affected, and the lock tongue 31 body is easily pried and broken directly. Through researches and comparisons of technicians, it is finally found that when the first thickness value of the latch bolt rack 32 is 0.4-0.6 times that of the second thickness value, the firmness of the latch bolt rack 32 and the latch bolt 31 body are relatively balanced, so that the overall firmness can be improved.

The unlocking device 50 is provided with a mechanical lock cylinder 51, a mechanical rotating shaft 52 and a mechanical key 53, one end of the mechanical rotating shaft 52 is fixedly connected to a rotating part of the mechanical lock cylinder 51, and the other end of the mechanical rotating shaft 52 is abutted with the sliding block 41; the mechanical key 53 is inserted into the mechanical lock cylinder 51 to rotate the rotating member, so as to drive the mechanical rotating shaft 52 to rotate, and the mechanical rotating shaft 52 rotates and simultaneously drives the sliding block 41 which is abutted against the mechanical rotating shaft to move, so that the locking connection is released.

Specifically, the mechanical lock cylinder 51, the mechanical spindle 52 and the mechanical key 53 may be general products in the prior art, and the corresponding products meeting the specifications may be directly purchased during production. In order to better match with the mechanical rotating shaft 52 in the prior art, a special shape or structure can be arranged at the abutting part of the sliding block 41 and the mechanical rotating shaft 52, so that the mechanical rotating shaft 52 can better drive the sliding block 41 to move, and the unlocking process is smoother.

The unlocking device 50 is provided with a motor 61, a cam 62, a circuit board 63, a processor chip 64, a battery 65, a power data interface 66 and an identification component 67, one end of the cam 62 is fixedly connected to a driving shaft of the motor 61, and the other end of the cam 62 is abutted against the sliding block 41; the motor 61, the processor chip 64, the battery 65, the power data interface 66 and the identification component 67 are respectively and electrically connected to the circuit board 63, and the processor chip 64 is used for driving the motor 61 to rotate and driving the cam 62 to rotate according to the identification result of the identification component 67, and the cam 62 drives the sliding block 41 which is abutted against the cam 62 to move while rotating, so that the locking connection is released.

Specifically, in order to increase the use scenario and versatility of the lock, an electric unlocking device 50 is also provided. The processor chip 64 can compare whether the recognition result has preset unlocking authority through the recognition result of the recognition component 67, if the recognition result has the unlocking authority, the processor chip 64 sends a signal to the motor 61, and the motor 61 starts to rotate after receiving the signal, so that the cam 62 is driven to synchronously rotate. The cam 62 drives the slide 41 to move, thereby unlocking the locked connection, resulting in an unlocked state. The power data interface 66 can charge the battery 65, or directly drive the motor 61 to operate, or can interact with a remote management system, so as to feed back the current lock state to the remote management system, or receive the instruction of the remote management system to directly unlock the lock, and the function is particularly suitable for centralized management of firearms in a collective place. When the unlocking is completed, the processor chip 64 controls the motor 61 to stop rotating, and the slider 41 is restored to its original position under the elastic force of the pushing spring 42. When the processor chip 64 drives the motor 61 to rotate for unlocking, a position detection switch 43 can be arranged at the moving end position of the sliding block 41, when the sliding block 41 is abutted against the position detection switch 43, the sliding block 41 is indicated to be moved to the final position, the lock tongue rack 32 is separated from the unlocking beam rack 12, and the lockset is in an unlocking state. At this time, the position detecting switch 43 will feed back a signal to the processor chip 64, so as to stop the motor 61 from continuing to rotate, and the slider 41 will be restored to its original position under the elastic force of the pushing spring 42. In addition, a detection program may be provided in the processor chip 64, and when an increase in the running current of the motor 61 is detected, it indicates that the slider 41 has moved to the endmost position at this time, because the slider 41 cannot continue to move, the motor 61 stops rotating in the energized state, resulting in an increase in current. Therefore, the processor chip 64 can stop the driving motor 61 to restore the slider 41 to the original position under the elasticity of the pushing spring 42; the motor 61 can be driven reversely by the processor chip 64, so that the sliding block 41 is driven to move reversely, and the original position is restored.

The recognition component 67 is provided with a fingerprint recognition module 68, the fingerprint recognition module 68 is electrically connected with the circuit board 63, and the fingerprint recognition module 68 is exposed on the outer shell of the unlocking cavity 20, so that fingerprint recognition is facilitated.

The recognition component 67 is provided with a key identification module, the key recognition module 70 comprises a contact button 71 and a pressing shell 72, the contact button 71 is electrically connected with the circuit board 63, one end of the pressing shell 72 is abutted on the contact button 71, and the other end of the pressing shell 72 is exposed out of the shell of the unlocking cavity 20, so that the pressing is convenient.

Specifically, in order to further increase the universality of the lockset and the convenience of unlocking, two identification modes are provided, one is to directly identify the fingerprint of the user through the fingerprint identification module 68, the unlocking is quick and very safe, but when the skin on the hand of the user is damaged or dirty, the fingerprint identification module 68 is not easy to identify correctly. The key recognition module 70 is also designed so that the key can be unlocked immediately by directly pressing the push-down housing 72 and inputting a predetermined value.

A fixed ring 14 and a fixed block 15 which are fixedly connected with each other are arranged in the fixed cavity 10, the fixed block 15 is fixedly connected in the fixed cavity 10, and the other end of the lock beam 11 opposite to the lock beam rack 12 is in press fit with the fixed ring 14, so that the lock beam 11 is fixed in the fixed ring 14; the end of the lock beam 11 pressed into one end of the fixed ring 14 is provided with a threaded hole 16, the fixed block 15 is provided with a through hole corresponding to the threaded hole 16, and the lock beam 11 is connected with the fixed block 15 through a bolt between the threaded hole 16 and the fixed block 15.

Specifically, the lock beam 11 adopts a separated design, so that the lock beam is convenient to replace in subsequent use. The lock beam 11 is fixed by the fixing block 15 and the fixing ring 14, so that the lock beam 11 is firmly fixed on the fixing cavity 10. Screw holes 16 are formed at one end of the lock beam 11, which is clamped into the fixing ring 14, and the fixing block 15 and the lock beam 11 are further fixed through bolts.

When the lock is used, firstly, the lock is identified and set, namely, the fingerprint and the password of a user are set, and then the lock is opened, so that the lock beam 11 is withdrawn from the lock hole 21, and the fixed cavity 10 and the unlocking cavity 20 are separated. The securing cavity 10 is then aligned with the trigger position of the firearm, the lock beam 11 is passed through the trigger, and some of the support posts on the securing cavity 10 are snapped into place on the trigger. Then, the lock hole 21 side of the unlocking cavity 20 is aligned to the trigger position of the firearm, so that the lock beam 11 just passes through the lock hole 21 and enters the unlocking cavity 20, a certain pushing force is applied, the lock beam rack 12 and the lock tongue rack 32 interact, so that the lock tongue rack 32 is retracted by a certain space, the lock beam 11 enters the embedded position of the lock tongue rack 32, and then under the action of the pushing spring 42, the lock tongue rack 32 is clamped with the lock beam rack 12 from a new state, so that locking connection is realized. That is, the fixing cavity 10 and the unlocking cavity 20 are locked at the trigger position of the firearm, so that the firearm cannot be used, and the firearm is prevented from being stolen or misused.

When the firearm is needed to be used, the locking device 30 is opened by the mechanical key 53, fingerprint identification or key identification, the lock tongue rack 32 of the locking device 30 is retracted a certain distance to be separated from the lock beam rack 12, and the lock beam 11 can be retracted from the unlocking cavity 20, so that the lockset is unlocked, and the firearm can be used from a new state.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (10)

1. An improved firearm lock comprises a fixed cavity (10) and an unlocking cavity (20) which are in locking connection with each other at a certain interval, wherein the fixed cavity (10) is provided with a lock beam (11) which extends out of the fixed cavity (10), the unlocking cavity (20) is provided with a lock hole (21) for the lock beam (11) to penetrate through and a locking device (30) for locking the lock beam (11), and the lock beam (11) penetrates into a trigger position of the firearm and then penetrates into the lock hole (21) to be locked by the locking device (30), so that the firearm is locked in the interval space after the fixed cavity (10) and the unlocking cavity (20) are in locking connection; the lock is characterized in that the inner wall of the lock hole (21) extends to the inside of the unlocking cavity (20) to form a lock hole ring (22), a raised line (25) is arranged on the inner wall of the lock hole ring (22), a groove (13) is arranged on the outer wall of the lock beam (11), the lock beam (11) penetrates into the lock hole (21) and moves in the lock hole ring (22), and the raised line (25) and the groove (13) are mutually embedded and connected, so that the lock beam (11) is stable in the lock hole ring (22).

2. An improved firearm lock according to claim 1, characterised in that a part of the lock hole ring (22) is a sector-shaped ring-shaped growing sector ring (23), the other part of the lock hole ring (22) is a sector-shaped ring forming a short sector ring (24), the distance between the top of the long sector ring (23) and the plane of the lock hole (21) is set to a first length, the distance between the top of the short sector ring (24) and the plane of the lock hole (21) is set to a second length, and the first length is greater than the second length; the lockhole ring (22) forms a notch (28) at the position of the short fan ring (24), and the locking device (30) passes through the notch (28) to be in locking connection with the lock beam (11).

3. An improved firearm lock according to claim 2, characterised in that the inner wall of the keyhole ring (22) is provided with two sets of ribs (25), the outer wall of the lock beam (11) is provided with two sets of grooves (13), and the two sets of ribs (25) and the two sets of grooves (13) are respectively connected in a jogged manner; one set of protruding strips (25) has a length equal to the first length in the axial direction of the keyhole ring (22), and the other set of protruding strips (25) has a length equal to the second length in the axial direction of the keyhole ring (22).

4. An improved firearm lock according to claim 1, characterised in that the locking device (30) is provided with a bolt (31), a bolt rack (32), a slider (41), a push spring (42) and an unlocking device (50), the bolt rack (32) being located on the side of the bolt (31) opposite the lock beam (11); the lock beam (11) is provided with a lock beam rack (12), and the lock beam rack (12) and the lock tongue rack (32) are mutually clamped to form the locking connection; the unlocking device (50) drives the sliding block (41) to move so as to drive the lock tongue rack (32) to be separated from the unlocking beam rack (12), so that the locking connection is unlocked; the pushing spring (42) is used for driving the sliding block (41) to reversely move and reset so as to drive the lock tongue rack (32) to form the locking connection with the lock beam rack (12) from new.

5. An improved firearm lock according to claim 4, characterised in that the bolt rack (32) has a tooth top (33), a tooth bottom (34) and a tooth bottom (35), the distance from the tooth top (33) to the tooth bottom (34) being set to a first thickness, the distance from the tooth top (33) to the tooth bottom (35) being set to a second thickness, the first thickness being 0.4-0.6 times the second thickness.

6. An improved firearm lock according to claim 4, characterised in that the unlocking device (50) is provided with a mechanical lock cylinder (51), a mechanical spindle (52) and a mechanical key (53), one end of the mechanical spindle (52) is fixedly connected to the rotating part of the mechanical lock cylinder (51), and the other end of the mechanical spindle (52) is abutted with the slide block (41); the mechanical key (53) is inserted into the mechanical lock core (51) to enable the rotating part to rotate, so that the mechanical rotating shaft (52) is driven to rotate, and the mechanical rotating shaft (52) rotates and simultaneously drives the sliding block (41) which is abutted against the mechanical rotating shaft to move, so that the locking connection is released.

7. An improved firearm lock according to claim 4, characterised in that the unlocking device (50) is provided with a motor (61), a cam (62), a circuit board (63), a processor chip (64), a battery (65), a power data interface (66) and an identification assembly (67), one end of the cam (62) is fixedly connected to the drive shaft of the motor (61), and the other end of the cam (62) is in abutment with the slide (41); the motor (61), the processor chip (64), the battery (65), the power data interface (66) and the identification component (67) are respectively and electrically connected to the circuit board (63), the processor chip (64) is used for driving the motor (61) to rotate and driving the cam (62) to rotate according to the identification result of the identification component (67), and the cam (62) drives the sliding block (41) which abuts against the cam (62) to move while rotating, so that locking connection is relieved.

8. An improved firearm lock according to claim 7, characterised in that the identification component (67) is provided with a fingerprint identification module (68), the fingerprint identification module (68) being electrically connected to the circuit board (63), the fingerprint identification module (68) being exposed on the housing of the unlocking cavity (20) so as to facilitate the identification of the fingerprint.

9. An improved firearm lock according to claim 7, characterised in that the identification assembly (67) is provided with a key identification module, the key identification module (70) comprises a contact button (71) and a push housing (72), the contact button (71) is electrically connected with the circuit board (63), one end of the push housing (72) is abutted against the contact button (71), and the other end of the push housing (72) is exposed out of the housing of the unlocking cavity (20), thereby facilitating the pressing.

10. An improved firearm lock according to claim 4, characterised in that a fixing ring (14) and a fixing block (15) are arranged in the fixing cavity (10) and fixedly connected with each other, the fixing block (15) is fixedly connected in the fixing cavity (10), and the other end of the lock beam (11) opposite to the lock beam rack (12) is in press fit with the fixing ring (14), so that the lock beam (11) is fixed in the fixing ring (14); screw holes (16) are formed in the end of one end of the lock beam (11) pressed into the fixed ring (14), through holes are formed in the positions, corresponding to the screw holes (16), of the fixed blocks (15), and the lock beam (11) is connected with the fixed blocks (15) through the screw holes (16) through bolts.

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