CN110159093B

CN110159093B - Automatic anti-theft lock

Info

Publication number: CN110159093B
Application number: CN201910332359.1A
Authority: CN
Inventors: 岑森参
Original assignee: Nanjing Lishui Hi Tech Industry Equity Investment Co Ltd
Current assignee: Nanjing Lishui Hi Tech Industry Equity Investment Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2021-06-04
Anticipated expiration: 2039-04-24
Also published as: CN110159093A

Abstract

The invention discloses an automatic anti-theft lock, which comprises a wall and a door opening penetrating through the wall, wherein a rotating groove with a backward opening is arranged on the left end wall of the door opening, a door plate with a front end face tightly attached to the front end wall of the rotating groove and a right end positioned in the door opening is arranged in the rotating groove, a locking mechanism capable of preventing the door plate from rotating is arranged in the door plate, the locking mechanism comprises a driving cavity, a motor and a driving shaft in power connection with the motor are arranged in the driving cavity, a cam is fixed on the driving shaft, a pushing plate is also in spiral connection with the driving shaft, and a jacking groove and a pushing groove which are communicated with the driving cavity are arranged in the right end wall of the driving cavity; during the work of the invention, the door can not be rotated even if the locking block is broken, and under the condition of abnormal unlocking, the invention well ensures that the door is not opened, ensures the indoor safety and improves the safety.

Description

Automatic anti-theft lock

Technical Field

The invention relates to the field of locks, in particular to an automatic anti-theft lock.

Background

At the present stage, after the lock cylinder is broken by damage, the door can be easily rotated to open the door, so that the indoor safety is influenced, the indoor protection is not facilitated, and the door needs to be manually and automatically locked after being closed at the present stage, so that the step cannot be added after people close the door, and the safety is reduced again.

Disclosure of Invention

The present invention is directed to an automatic anti-theft lock to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic anti-theft lock comprises a wall and a door opening penetrating through the wall, wherein a rotating groove with a backward opening is arranged on the left end wall of the door opening, a door plate with a front end face tightly attached to the front end wall of the rotating groove and a right end positioned in the door opening is arranged in the rotating groove, a locking mechanism capable of preventing the door plate from rotating is arranged in the door plate, the locking mechanism comprises a driving cavity, a motor and a driving shaft in power connection with the motor are arranged in the driving cavity, a cam is fixed on the driving shaft, a pushing plate is also in screw connection with the driving shaft, an ejection groove and a pushing groove which are communicated with the driving cavity are arranged in the right end wall of the driving cavity, an ejection plate which is controlled to move by the right end of the cam is arranged in the ejection groove, two ejection springs capable of enabling the ejection plate to reset are also arranged in the ejection groove, a locking block is fixed on the right end face of the ejection plate, and an ejection, the right end of the pushing plate is positioned in the pushing groove and is fixedly provided with an ejection block, one end of the ejection block is positioned in the ejection cavity, a sliding plate and two sliding springs capable of resetting the sliding plate are arranged in the ejection cavity, two cylinders are fixed on the front end surface of the sliding plate, the cylinder on the left side penetrates through the front end wall of the ejection cavity and is contacted with the front end wall of the rotating groove, a driven mechanism controlled by the locking mechanism to move is also arranged in the wall, the driven mechanism comprises a fixed plate positioned on the front side of the door plate and fixed on the right end wall of the door opening, a moving groove with a leftward opening and a locking groove are arranged in the right end wall of the door opening, a spring groove with a forward opening is arranged in the rear end wall of the moving groove, a spring block with a front end positioned in the moving groove and a telescopic spring capable of resetting the spring block are arranged in, the downthehole friction joint of through-hole has the left end to be located just restrict in the door opening door plant pivoted limiting plate, the limiting plate right-hand member is equipped with the stopper, be equipped with opening driven cavity left in the shifting chute right-hand member wall, driven intracavity is equipped with the magnet piece and can makes the compression spring that the magnet piece resets, the compression spring right-hand member is equipped with the electro-magnet, the locking inslot is equipped with control the contact switch of electro-magnet switch, the locking piece right-hand member is located locking inslot and with the contact switch contacts, follower's effect is passed through the fixed plate protection is located locking piece in the door opening, the limiting plate with the locking piece restriction the door plant rotates.

Preferably, the locking mechanism further comprises a fingerprint switch fixed on the front end face of the door plate and controlling the motor to rotate, the left end of the door plate is fixed with a rotating shaft, the upper end and the lower end of the rotating shaft are located in the rotating groove, the right end of the cylinder penetrates through the front end wall of the ejection cavity and is in contact with the fixed plate, the locking mechanism is used for controlling the locking block to move left and right, and the door plate is controlled to move backwards when the door is opened, so that the door plate is far away from the front end wall of the rotating groove.

Preferably, the driven mechanism further comprises a moving cavity located in the upper end wall and the lower end wall of the rotating groove, a moving block is arranged in the moving cavity, the upper end and the lower end of the rotating shaft respectively penetrate through the moving cavity and are rotatably connected with the moving block, a moving spring capable of enabling the moving block to reset is arranged in the moving cavity, a limiting groove with an upward opening is arranged in the moving block, a lifting cavity is arranged in the upper end wall of the moving cavity, a lifting plate and a lifting spring supporting the lifting plate are arranged in the lifting cavity, a trapezoidal block capable of limiting the displacement of the moving block at the lower end face of the lifting plate is arranged on the lower end face of the lifting plate, a rope with the upper end connected with the right end of the magnet block is arranged on the upper end of the lifting plate, and the driven mechanism is used.

In conclusion, the beneficial effects of the invention are as follows: this device simple structure, the simple operation even can not rotate the door under the condition of breaking the locking piece, under the condition of abnormal unblanking, fine assurance door is not opened, guarantees indoor safety, has improved the security.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts; the invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

FIG. 1 is a schematic view of the whole full-section main structure of the automatic anti-theft lock of the present invention;

FIG. 2 is a schematic left-side view of the automatic anti-theft lock of the present invention;

FIG. 3 is an enlarged top view of the automatic anti-theft lock of the present invention;

fig. 4 is a left enlarged view of the structure of the spring block of the automatic anti-theft lock according to the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Referring to fig. 1-4, an embodiment of the present invention is shown: an automatic anti-theft lock comprises a wall 1 and a door opening 8 penetrating through the wall 1, wherein a rotating groove 2 with a backward opening is arranged on the left end wall of the door opening 8, a door plate 4 with a front end face tightly attached to the front end wall of the rotating groove 2 and a right end positioned in the door opening 8 is arranged in the rotating groove 2, a locking mechanism 45 capable of preventing the door plate 4 from rotating is arranged in the door plate 4, the locking mechanism 45 comprises a driving cavity 9, a motor 43 and a driving shaft 10 in power connection with the motor 43 are arranged in the driving cavity 9, a cam 11 is fixed on the driving shaft 10, a pushing plate 37 is further in screw connection with the driving shaft 10, an ejection groove 12 and a pushing groove 38 which are communicated with the driving cavity 9 are arranged in the wall of the right end of the driving cavity 9, an ejection plate 13 controlled to move by the right end of the cam 11 is arranged in the ejection groove 12, two ejection springs 14 capable of resetting the ejection plate 13 are further arranged in the ejection groove 12, a locking block 15 is fixed on the right end face of the ejection plate 13, an ejection cavity 25 is arranged in the front end wall of the driving cavity 9, the right end of the pushing plate 37 is positioned in the pushing groove 38 and is fixed with an ejection block 39 with one end positioned in the ejection cavity 25, a sliding plate 26 and two sliding springs 42 capable of resetting the sliding plate 26 are arranged in the ejection cavity 25, two cylinders 27 are fixed on the front end face of the sliding plate 26, the cylinder 27 on the left side penetrates through the front end wall of the ejection cavity 25 and is contacted with the front end wall of the rotating groove 2, a driven mechanism 46 controlled by the locking mechanism 45 to move is also arranged in the wall 1, the driven mechanism 46 comprises a fixed plate 40 positioned on the front side of the door plate 4 and fixed with the right end wall of the door opening 8, a moving groove 17 with a leftward opening and a locking groove 28 are arranged in the right end wall of the door opening 8, and a spring groove 29 with a forward opening is, the spring slot 29 is internally provided with a spring block 31 with the front end positioned in the moving slot 17 and an expansion spring 30 capable of resetting the spring block 31, the front end of the spring block 31 is provided with a through hole 44, the through hole 44 is internally provided with a friction connection with a limiting plate 18 with the left end positioned in the door opening 8 and limiting the door panel 4 to rotate, the right end of the limiting plate 18 is provided with a limiting block 36, the wall of the right end of the moving slot 17 is internally provided with a driven cavity 32 with an opening leftwards, the driven cavity 32 is internally provided with a magnet block 33 and a compression spring 34 capable of resetting the magnet block 33, the right end of the compression spring 34 is provided with an electromagnet 35, the locking cavity 28 is internally provided with a contact switch 16 for controlling the electromagnet 35 switch, the right end of the locking cavity 15 is positioned in the locking cavity 28 and contacted with the contact switch 16, the driven mechanism 46 is used for protecting the locking block 15 positioned in the door, the limiting plate 18 and the locking block 15 limit the door panel 4 from rotating.

Advantageously, the locking mechanism 45 further comprises a fingerprint switch 41 fixed on the front end surface of the door panel 4 and controlling the rotation of the motor 43, the left end of the door panel 4 is fixed with the rotating shaft 3 with the upper end and the lower end both located in the rotating groove 2, the front end of the right cylinder 27 penetrates through the front end wall of the ejection cavity 25 and contacts with the fixed plate 40, the locking mechanism 45 is used for controlling the left and right movement of the locking block 15, and controlling the door panel 4 to move backwards when the door is opened, so that the door panel 4 is far away from the front end wall of the rotating groove 2.

Advantageously, said follower means 46 further comprise a movement chamber 5 in the upper and lower end walls of said rotary tub 2, a moving block 6 is arranged in the moving cavity 5, the upper end and the lower end of the rotating shaft 3 respectively penetrate through the moving cavity 5 and are rotatably connected with the moving block 6, a moving spring 24 which can reset the moving block 6 is arranged in the moving cavity 5, a limiting groove 7 with an upward opening is arranged in the upper moving block 6, a lifting cavity 21 is arranged in the upper end wall of the upper moving cavity 5, a lifting plate 21 and a lifting spring 19 supporting the lifting plate 21 are arranged in the lifting cavity 21, the lower end surface of the lifting plate 21 is provided with a trapezoidal block 20 the lower end of which can limit the displacement of the moving block 6, the upper end of the lifting plate 21 is provided with a rope 22 the upper end of which is connected with the right end of the magnet block 33, the follower 46 is used for controlling the movement of the limit plate 18 during the backward movement of the door panel 4.

In the following, the applicant will refer to fig. 1 to 4 and the specific components of the automatic anti-theft lock of the present application described above to describe in detail the method for using the automatic anti-theft lock of the present application:

when the door is opened, the motor 43 is controlled to rotate by the fingerprint switch 41, so that the driving shaft 10 rotates, the cam 11 rotates, the ejection spring 14 controls the ejection plate 13 and the locking block 15 to move leftwards and return to the ejection groove 12, meanwhile, the driving shaft 10 drives the pushing plate 37 to move forwards, so that the ejection block 39 drives the sliding plate 26 and the cylinder 27 to move forwards, so that the door panel 4 moves backwards, so that the rotating shaft 3 and the moving block 6 move backwards, after the locking block 15 leaves the locking groove 28, the contact switch 16 controls the electromagnet 35 to work, so that the magnet block 33 moves rightwards, the rope 22 is loosened, when the limiting groove 7 is positioned at the lower side of the trapezoidal block 20, the lower end of the trapezoidal block 20 enters the limiting groove 7 to limit the moving block to reset, the moving spring 24 stretches, the door panel 4 moves backwards, so that the limiting plate 18 and the spring block 31 move backwards, when the right end of the limiting plate 18 and the, the magnet 33 is attracted with the limiting block 36, so that the limiting plate 18 moves rightwards to leave the door opening 8, and the door panel 4 is pushed to open the door;

when the door needs to be closed, after the right end of the door panel 4 is contacted with the fixed plate 40, the motor 43 automatically works in the reverse direction to reset the locking mechanism 45, the locking block 15 is contacted with the contact switch 16 to control the electromagnetic block 35 to stop working, the magnet block 33 and the limiting plate 18 move leftwards under the driving of the compression spring 34, the limiting block 36 returns to the moving groove 17 and then resets under the driving of the spring block 31 and the expansion spring 30, the trapezoidal block 20 ascends and then descends in the movement, so that the moving block 6 resets under the action of the moving spring 24, the trapezoidal block 20 limits the moving block 6 to move again, and the device resets.

The invention has the beneficial effects that: this device simple structure, the simple operation even can not rotate the door under the condition of breaking the locking piece, under the condition of abnormal unblanking, fine assurance door is not opened, guarantees indoor safety, has improved the security.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims

1. An automatic pickproof lock, includes the wall and runs through the door opening of wall, its characterized in that: the door comprises a door opening, a door plate, a locking mechanism, a motor, a driving shaft, two ejection springs and a locking block, wherein the door opening is provided with a rotating groove with a backward opening on the left end wall, the rotating groove is internally provided with a door plate with a front end face tightly attached to the front end wall of the rotating groove and a right end located in the door opening, the door plate is internally provided with a locking mechanism which can make the door plate incapable of rotating, the locking mechanism comprises a driving cavity, the driving cavity is internally provided with the motor and the driving shaft which is in power connection with the motor, the driving shaft is fixedly provided with a cam and is also in screw connection with a pushing plate, the driving cavity is internally provided with an ejection groove and a pushing groove which are communicated with the driving cavity, the ejection groove is internally provided with an ejection plate which is controlled by the right end of the cam to move, the ejection grooves are also provided with the two ejection springs which can make the ejection plate reset, the right end face of the ejection plate is fixedly, a sliding plate and two sliding springs capable of resetting the sliding plate are arranged in the ejection cavity, two cylinders are fixed on the front end surface of the sliding plate, the cylinder on the left side penetrates through the front end wall of the ejection cavity and is contacted with the front end wall of the rotating groove, a driven mechanism controlled by the locking mechanism to move is also arranged in the wall, the driven mechanism comprises a fixed plate which is positioned on the front side of the door plate and is fixed with the right end wall of the door opening, a moving groove with a leftward opening and a locking groove are arranged in the right end wall of the door opening, a spring groove with a forward opening is arranged in the rear end wall of the moving groove, a spring block with a front end positioned in the moving groove and a telescopic spring capable of resetting the spring block are arranged in the spring groove, a through hole is arranged at the front end of the spring block, and a limiting plate with a left end positioned in the door opening and, limiting plate right-hand member is equipped with the stopper, be equipped with the driven chamber left of opening in the shifting chute right-hand member wall, be equipped with the magnet piece in the driven chamber and can make the compression spring that the magnet piece resets, the compression spring right-hand member is equipped with the electro-magnet, the locking inslot is equipped with control the contact switch of electro-magnet switch, the locking piece right-hand member is located the locking inslot and with the contact switch contact, follower's effect is passed through the fixed plate protection is located locking piece in the door opening, the limiting plate with the locking piece restriction the door plant rotates.

2. An automatic anti-theft lock according to claim 1, characterized in that: locking mechanical system is still including being fixed in terminal surface and control before the door plant motor pivoted fingerprint switch, the door plant left end is fixed with upper and lower both ends and all is located the axis of rotation of rotating the inslot, the right side the cylinder front end runs through ejecting chamber front end wall and with the fixed plate contact, locking mechanical system's effect is control the side-to-side movement of locking piece, and control when opening the door plant moves backward, makes the door plant is kept away from rotate the inslot front end wall.

3. An automatic anti-theft lock according to claim 2, characterized in that: the driven mechanism further comprises a moving cavity located in the upper end wall and the lower end wall of the rotating groove, a moving block is arranged in the moving cavity, the upper end and the lower end of the rotating shaft are respectively penetrated through the moving cavity and are rotatably connected with the moving block, a moving spring capable of enabling the moving block to reset is arranged in the moving cavity, a limiting groove with an upward opening is arranged in the moving block, a lifting cavity is arranged in the upper end wall of the moving cavity, a lifting plate and a lifting spring supporting the lifting plate are arranged in the lifting cavity, a trapezoidal block with a lower end capable of limiting the displacement of the moving block is arranged on the lower end face of the lifting plate, a rope with an upper end connected with the right end of the magnet block is arranged on the upper end of the lifting plate, and the driven mechanism is used for controlling the.