CN210685613U

CN210685613U - Anti-drilling and anti-theft fingerprint electronic lock

Info

Publication number: CN210685613U
Application number: CN201921118930.1U
Authority: CN
Inventors: 李玉萍
Original assignee: Zhejiang Meitou Intelligent Technology Co Ltd
Current assignee: Zhejiang Meitou Intelligent Technology Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-06-05
Anticipated expiration: 2029-07-17

Abstract

A fingerprint electronic lock preventing drilling and theft comprises a lock body and a lock hole arranged on the upper surface of the lock body, wherein the upper surface of the lock body is provided with an annular drilling-proof seat which encloses the lock hole; the inner wall of the anti-drilling seat is provided with an annular limiting groove; an anti-drilling cover covering the lock hole is arranged above the lock body; a limiting plate matched with the limiting groove extends outwards from the edge of the lower end cover opening of the anti-drilling cover, the limiting plate is positioned in the limiting groove, and the thickness of the limiting plate is smaller than the height of the limiting groove; the upper end of the anti-drilling cover is provided with a jack communicated with the inner space of the anti-drilling cover; a reinforcing ring is arranged in the middle of the anti-drilling cover; the inner diameter of the reinforcing ring is equal to or larger than the diameter of the jack, and the diameter of the jack is equal to that of the lock hole; the inner wall of the upper part of the anti-drilling cover is provided with a plurality of upper fixing plates which are uniformly distributed in the circumferential direction. The utility model discloses a prevent boring theftproof fingerprint electronic lock can prevent effectively that the electric drill from destroying the lockhole, plays the effect of preventing boring the theftproof.

Description

Anti-drilling and anti-theft fingerprint electronic lock

Technical Field

The utility model relates to a fingerprint electronic lock, especially a prevent boring theftproof fingerprint electronic lock.

Background

Fingerprint electronic lock is one kind and realizes the device that the door was opened through fingerprint identification, and traditional fingerprint electronic lock generally can possess a mechanical lock, when fingerprint electronic lock loses electric power, can insert the key in the lockhole of mechanical lock, realize opening of fingerprint electronic lock, can meet the condition of stealing in actual life often, the personnel of stealing is when opening fingerprint electronic lock, generally bore the lockhole through the electric drill, thereby destroy fingerprint electronic lock, open the door at last, and present fingerprint electronic lock's lockhole exposes in the external world equally, very easily destroyed by the electric drill, there is serious potential safety hazard.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a prevent boring theftproof fingerprint electronic lock, it can prevent effectively that the electric drill from destroying the lockhole, plays the effect of preventing boring the theftproof.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model discloses a prevent boring theftproof fingerprint electronic lock, including the lock body, locate the lockhole of lock body upper surface, its characterized in that: the upper surface of the lock body is provided with an annular anti-drilling seat which encloses the lock hole; the inner wall of the anti-drilling seat is provided with an annular limiting groove; an anti-drilling cover covering the lock hole is arranged above the lock body; a limiting plate matched with the limiting groove extends outwards from the edge of the lower end cover opening of the anti-drilling cover, the limiting plate is positioned in the limiting groove, and the thickness of the limiting plate is smaller than the height of the limiting groove; the upper end of the anti-drilling cover is provided with a jack communicated with the inner space of the anti-drilling cover; a reinforcing ring is arranged in the middle of the anti-drilling cover; the inner diameter of the reinforcing ring is equal to or larger than the diameter of the jack, and the diameter of the jack is equal to that of the lock hole; the inner wall of the upper part of the anti-drilling cover is provided with a plurality of upper fixing plates which are uniformly distributed in the circumferential direction, the inner wall of the middle part of the anti-drilling cover is provided with a plurality of shock guide plates corresponding to the upper fixing plates, and the inner wall of the lower part of the anti-drilling cover is provided with a plurality of lower fixing plates corresponding to the upper fixing plates; the reinforcing ring is connected with the upper fixing plate through a reinforcing rod; the reinforcing ring is connected with the shock guide plate through the shock absorption plate; an upper damping device is arranged between the upper fixing plate and a damping plate positioned right below the upper fixing plate; and a lower damping device is arranged between the damping plate and the lower fixing plate positioned right below the damping plate.

The upper damping device comprises an upper spring arranged between the upper fixing plate and a damping plate positioned right below the upper fixing plate; the lower surface of the upper fixing plate is provided with a first upper limiting rod, and the upper surface of the damping plate is provided with a first lower limiting rod which is coaxial with the first upper limiting rod; the first upper limiting rod is embedded in the upper end of the upper spring, and the first lower limiting rod is embedded in the lower end of the upper spring; the lower damping device comprises a lower spring arranged between the damping plate and a lower fixing plate positioned right below the damping plate; the lower surface of the damping plate is provided with a second upper limiting rod; the upper surface of the lower fixing plate is provided with a second lower limiting rod which is coaxial with the second upper limiting rod; the second upper limiting rod is embedded in the upper end of the lower spring, and the second lower limiting rod is embedded in the lower end of the lower spring.

The lower surface of the limiting plate is provided with a plurality of uniformly distributed spherical caulking grooves; the spherical caulking groove is internally provided with a ball matched with the spherical caulking groove; the lower end of the ball protrudes to the notch at the lower side of the spherical caulking groove and is attached to the groove wall at the lower side of the limiting groove.

An auxiliary block positioned in the upper part of the anti-drilling cover is arranged at an orifice at the lower end of the jack, and the auxiliary block is in a round table shape with a narrow upper part and a wide lower part; the auxiliary block is provided with a through hole communicated with the jack, and the diameter of the through hole is equal to that of the jack; the lower end of the auxiliary block is connected with the reinforcing rod.

The utility model has the advantages that:

compared with the prior art, the anti-drilling and anti-theft fingerprint electronic lock adopting the structure of the utility model can isolate the drill bit of the electric drill from the lock hole through the anti-drilling cover, so that the drill bit of the electric drill can not contact the lock hole at all, the safety of the lock hole is effectively ensured, the anti-theft effect is achieved, if the anti-drilling cover is damaged by thieves, the drill bit is firstly supported on the orifice at the upper end of the jack, the fixed point of the drill bit is realized, then the electric drill is operated, when the drill bit of the electric drill rotates, the anti-drilling cover rotates along with the drill bit, and under the condition that the drill bit and the anti-drilling cover rotate synchronously, the drill bit cannot damage the anti-drilling cover at all, thereby play the effect of preventing boring, and parts such as at last fixed plate, beaded finish, stiffener, lead and shake the board and can form a similar netted additional strengthening, effectively increase the intensity of anti-boring cover, make external force be difficult to cause destruction to anti-boring cover, further improve the effect of preventing boring.

Drawings

Fig. 1 is the structure schematic diagram of the anti-drilling and anti-theft fingerprint electronic lock of the utility model.

Detailed Description

The invention is described in further detail below with reference to the following figures and detailed description:

referring to fig. 1, the present invention provides an anti-drilling and anti-theft fingerprint electronic lock, which includes a lock body 1 and a lock hole 2 disposed on the upper surface of the lock body 1, wherein the upper surface of the lock body 1 is provided with an annular anti-drilling seat 3, and the lock hole 2 is enclosed by the anti-drilling seat 3; the inner wall of the anti-drilling seat 3 is provided with an annular limiting groove 4; an anti-drilling cover 5 covering the lock hole 2 is arranged above the lock body 1; a limiting plate 6 matched with the limiting groove 4 extends outwards from the edge of the lower end cover opening of the anti-drilling cover 5, the limiting plate 6 is positioned in the limiting groove 4, and the thickness of the limiting plate 6 is smaller than the height of the limiting groove 4; the upper end of the anti-drilling cover 5 is provided with a jack 7 communicated with the inner space of the anti-drilling cover; a reinforcing ring 8 is arranged in the middle of the anti-drilling cover 5; the inner diameter of the reinforcing ring 8 is equal to or larger than the diameter of the insertion hole 7, and the diameter of the insertion hole 7 is equal to that of the locking hole 2; a plurality of upper fixing plates 9 which are uniformly distributed in the circumferential direction are arranged on the inner wall of the upper part of the anti-drilling cover 5, a plurality of shock guide plates 10 corresponding to the upper fixing plates 9 are arranged on the inner wall of the middle part of the anti-drilling cover 5, and a plurality of lower fixing plates 11 corresponding to the upper fixing plates 9 are arranged on the inner wall of the lower part of the anti-drilling cover 5; the reinforcing ring 8 is connected with the upper fixing plate 9 through a reinforcing rod 12; the reinforcing ring 8 is connected with the shock guide plate 10 through a damping plate 13; an upper damping device is arranged between the upper fixing plate 9 and a damping plate 13 positioned right below the upper fixing plate; a lower damping device is arranged between the damping plate 13 and the lower fixing plate 11 which is positioned right below the damping plate.

The upper damping device comprises an upper spring 14 arranged between the upper fixing plate 9 and a damping plate 13 positioned right below the upper fixing plate; a first upper limiting rod 15 is arranged on the lower surface of the upper fixing plate 9, and a first lower limiting rod 16 coaxial with the first upper limiting rod 15 is arranged on the upper surface of the damping plate 13; the first upper limiting rod 15 is embedded in the upper end of the upper spring 14, and the first lower limiting rod 16 is embedded in the lower end of the upper spring 14; the lower damping device comprises a lower spring 17 arranged between the damping plate 13 and the lower fixing plate 11 positioned right below the damping plate; the lower surface of the damping plate 13 is provided with a second upper limiting rod 18; the upper surface of the lower fixing plate 11 is provided with a second lower limiting rod 19 which is coaxial with the second upper limiting rod 18; the second upper limit rod 18 is embedded in the upper end of the lower spring 17, and the second lower limit rod 19 is embedded in the lower end of the lower spring 17.

The lower surface of the limiting plate 6 is provided with a plurality of uniformly distributed spherical caulking grooves 20; the spherical caulking groove 20 is internally provided with a ball 21 matched with the spherical caulking groove; the lower end of the ball 21 protrudes to the notch at the lower side of the spherical caulking groove 20 and is jointed with the groove wall at the lower side of the limit groove 4.

An auxiliary block 22 positioned in the upper part of the anti-drilling cover 5 is arranged at an orifice at the lower end of the jack 7, and the auxiliary block 22 is in a truncated cone shape with a narrow upper part and a wide lower part; the auxiliary block 22 is provided with a through hole 23 communicated with the jack 7, and the diameter of the through hole 23 is equal to that of the jack 7; the lower end of the auxiliary block 22 is connected to the reinforcing bar 12.

The utility model discloses a use method as follows:

when a user needs to unlock the mechanical lock on the fingerprint electronic lock, the user can pass the key through the jack 7 on the anti-drilling cover 5, then pass through the inner hole of the reinforcing ring 8, and finally insert the key into the lock hole 2 of the lock body 1, and the user only needs to rotate the key to unlock the mechanical lock of the fingerprint electronic lock.

Because the lockhole 2 is covered in the anti-drilling cover 5, an anti-drilling cover 5 is arranged between the lockhole 2 and the outside, if a thief wants to damage the lockhole 2 by using an electric drill, the thief is obstructed by the anti-drilling cover 5, the diameter of the jack 7 is equal to that of the lockhole 2, the diameter of the lockhole 2 is extremely small, so that the diameter of a drill bit of a common electric drill is far larger than that of the jack 7, at the moment, the drill bit directly supports on an orifice at the upper end of the jack 7 and is difficult to enter the anti-drilling cover 5 and cannot contact with the lockhole 2 at all, so that the lockhole 2 is protected, the drill bit of the electric drill cannot damage the lockhole 2 of the mechanical lock of the fingerprint electronic lock, if the drill bit with the extremely small diameter is adopted, although the drill bit with the extremely small diameter can be inserted into the anti-drilling cover 5 through the jack and can contact with the lockhole 2, but the lock, the drill bit with the minimum diameter cannot damage the lock hole 2 at all, and the drill bit with the large diameter cannot penetrate through the jack 7 to be in contact with the lock hole 2, so that the safety of the lock hole 2 is effectively guaranteed, and the anti-theft effect is achieved.

If an thief wants to destroy the anti-drilling cover 5 by an electric drill, firstly the drill bit 0 is abutted against the orifice at the upper end of the jack 7 to realize the fixed point of the drill bit and avoid the drill bit from slipping when rotating, then the electric drill is started, the drill bit of the electric drill starts to rotate at the moment, the drill bit is always abutted against the orifice at the upper end of the jack 7 under the action of external force, the rotating force of the drill bit can influence the anti-drilling cover, because the thickness of the limiting plate 6 is less than the height of the limiting groove 4, the limiting plate 6 can rotate along the track of the limiting groove 4, when the drill bit rotates, the anti-drilling cover 5 rotates along with the drill bit, under the condition that the drill bit and the anti-drilling cover 5 synchronously rotate, the drill bit cannot destroy the anti-drilling cover 5 at all, so as to play the anti-drilling effect, and the upper fixing plate 9 is connected with the reinforcing ring 8 through a plurality of reinforcing rods 12 which are uniformly distributed in the circumference, and the shock guide plate 10 is, make and form a similar netted additional strengthening in the anti-drilling cover 5, effectively increase the intensity of anti-drilling cover 5, make external force be difficult to cause the destruction to anti-drilling cover 5, further improve and prevent boring the effect.

When the electric drill runs, the electric drill generates vibration force, the vibration force is transmitted to the anti-drilling cover 5 through the drill bit, the anti-drilling cover 5 is damaged by long-term vibration, the vibration force is transmitted to the upper fixing plate 9 and the lower fixing plate 11 and is transmitted to the shock absorption plate 13 through the vibration guide plate 10 because the upper fixing plate 9, the vibration guide plate 10 and the lower fixing plate 11 are all fixed on the inner wall of the anti-drilling cover 5, the upper spring 14 is arranged between the upper fixing plate 9 and the shock absorption plate 13 which is positioned right below the upper fixing plate 9, the lower fixing plate 11 and the shock absorption plate 13, the lower spring 17 is arranged between the shock absorption plate 13 and the lower fixing plate 11 which is positioned right below the shock absorption plate 13, when the upper fixing plate 9, the lower fixing plate 11 and the shock absorption plate 13 vibrate, a certain fluctuation action can be generated on the upper fixing plate 9, the lower fixing plate 11 and the shock absorption plate 13, and when the upper fixing plate 9, the lower fixing plate 11 and, the upper spring 14 and the lower spring 17 that compress then can produce elasticity, to upper fixed plate 9, the vibration power on bottom plate 11 and the shock attenuation board 13 cushions the shock attenuation, thereby avoid the vibration power to cause the destruction to preventing boring cover 5, the drill bit supports and leads to the fact when boring at jack 7 upper end drill way simultaneously and moves and prevent boring cover 5 and warp downwards, when preventing boring cover 5 and warp downwards, the interval between upper fixed plate 9 and shock attenuation board 13, the interval between shock attenuation board 13 and the bottom plate 11 then can diminish, upper spring 14 and lower spring 17 all can be compressed and produce elasticity, the extrusion force that produces when the drill bit bored can effectively be cushioned to the elasticity of upper spring 14 and lower spring 17, improve the pressure that prevents boring cover 5 can bear, further improve the anti-drilling effect of preventing boring cover 5.

In conclusion, the utility model can isolate the drill bit of the electric drill from the lock hole 2 through the anti-drilling cover 5, so that the drill bit of the electric drill can not contact the lock hole 2 at all, thereby effectively ensuring the safety of the lock hole 2 and playing the anti-theft effect, if the anti-drilling cover 5 is damaged by a thief, the drill bit can be firstly supported on the orifice at the upper end of the jack 7 to realize the positioning of the drill bit, then the electric drill is operated, when the drill bit of the electric drill rotates, the anti-drilling cover 5 rotates along with the drill bit, under the condition that the drill bit and the anti-drilling cover 5 rotate synchronously, the drill bit can not damage the anti-drilling cover 5 at all, thereby play the effect of preventing boring, and can form a similar netted additional strengthening at parts such as upper fixed plate 9, beaded finish 8, stiffener 12, shock conduction board 10, effectively increase the intensity of anti-boring cover 5, make external force be difficult to cause the destruction to the anti-boring cover, further improve the effect of preventing boring.

The lower surface of the limiting plate 6 is provided with a plurality of uniformly distributed spherical caulking grooves 20, the spherical caulking grooves 20 are internally provided with balls 21 matched with the spherical caulking grooves, the lower ends of the balls 21 protrude to the lower side notches of the spherical caulking grooves 20 and are attached to the lower side groove walls of the limiting grooves 4, the existence of the balls 21 can effectively improve the smoothness of the limiting plate 6 during rotation, so that the drilling-preventing cover 5 can rotate synchronously with a drill bit of an electric drill to the maximum extent, and the drilling-preventing effect of the drilling-preventing cover 5 is guaranteed.

The hole mouth of jack 7 lower extreme is equipped with the auxiliary block 22 that is located anti-drill cover 5 upper portion, be equipped with the perforation 23 that link up mutually with jack 7 on the auxiliary block 22, perforation 23 diameter equals with jack 7 diameter, when the drill bit of electric drill supported and drills at jack 7 upper end hole mouth, this thigh brill power is then decurrent, and auxiliary block 22 is narrow round platform form down, consequently powerful that auxiliary block 22 lower part can bear is greater than the upper portion of self far away, and auxiliary block 22 lower extreme is connected with stiffener 12, auxiliary block 22's existence can further improve the intensity reinforcing effect that stiffener 12 can play.

Claims

1. The utility model provides a prevent boring theftproof fingerprint electronic lock, includes the lock body, locates the lockhole of lock body upper surface, its characterized in that: the upper surface of the lock body is provided with an annular anti-drilling seat which encloses the lock hole; the inner wall of the anti-drilling seat is provided with an annular limiting groove; an anti-drilling cover covering the lock hole is arranged above the lock body; a limiting plate matched with the limiting groove extends outwards from the edge of the lower end cover opening of the anti-drilling cover, the limiting plate is positioned in the limiting groove, and the thickness of the limiting plate is smaller than the height of the limiting groove; the upper end of the anti-drilling cover is provided with a jack communicated with the inner space of the anti-drilling cover; a reinforcing ring is arranged in the middle of the anti-drilling cover; the inner diameter of the reinforcing ring is equal to or larger than the diameter of the jack, and the diameter of the jack is equal to that of the lock hole; the inner wall of the upper part of the anti-drilling cover is provided with a plurality of upper fixing plates which are uniformly distributed in the circumferential direction, the inner wall of the middle part of the anti-drilling cover is provided with a plurality of shock guide plates corresponding to the upper fixing plates, and the inner wall of the lower part of the anti-drilling cover is provided with a plurality of lower fixing plates corresponding to the upper fixing plates; the reinforcing ring is connected with the upper fixing plate through a reinforcing rod; the reinforcing ring is connected with the shock guide plate through the shock absorption plate; an upper damping device is arranged between the upper fixing plate and a damping plate positioned right below the upper fixing plate; and a lower damping device is arranged between the damping plate and the lower fixing plate positioned right below the damping plate.

2. The electronic fingerprint lock of claim 1, wherein: the upper damping device comprises an upper spring arranged between the upper fixing plate and a damping plate positioned right below the upper fixing plate; the lower surface of the upper fixing plate is provided with a first upper limiting rod, and the upper surface of the damping plate is provided with a first lower limiting rod which is coaxial with the first upper limiting rod; the first upper limiting rod is embedded in the upper end of the upper spring, and the first lower limiting rod is embedded in the lower end of the upper spring; the lower damping device comprises a lower spring arranged between the damping plate and a lower fixing plate positioned right below the damping plate; the lower surface of the damping plate is provided with a second upper limiting rod; the upper surface of the lower fixing plate is provided with a second lower limiting rod which is coaxial with the second upper limiting rod; the second upper limiting rod is embedded in the upper end of the lower spring, and the second lower limiting rod is embedded in the lower end of the lower spring.

3. The electronic fingerprint lock of claim 1, wherein: the lower surface of the limiting plate is provided with a plurality of uniformly distributed spherical caulking grooves; the spherical caulking groove is internally provided with a ball matched with the spherical caulking groove; the lower end of the ball protrudes to the notch at the lower side of the spherical caulking groove and is attached to the groove wall at the lower side of the limiting groove.

4. The electronic fingerprint lock of claim 1, wherein: an auxiliary block positioned in the upper part of the anti-drilling cover is arranged at an orifice at the lower end of the jack, and the auxiliary block is in a round table shape with a narrow upper part and a wide lower part; the auxiliary block is provided with a through hole communicated with the jack, and the diameter of the through hole is equal to that of the jack; the lower end of the auxiliary block is connected with the reinforcing rod.