CN112031615A

CN112031615A - Anti-theft safety door with violence intrusion prevention function and use method

Info

Publication number: CN112031615A
Application number: CN202011092521.6A
Authority: CN
Inventors: 应子英; 何佑江; 俞杰; 刘朝明; 徐可武
Original assignee: Zhejiang Happy Home Door Industry Co ltd
Current assignee: Zhejiang Happy Home Door Industry Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2020-12-04
Anticipated expiration: 2040-10-13
Also published as: CN112031615B

Abstract

The invention discloses an anti-theft safety door with a violent intrusion prevention function, which comprises a wall body, a door frame, a door shaft and a door body, wherein the door frame is arranged on the wall body, the door body is arranged inside the door frame, the door shaft is fixedly arranged at the top and the bottom of the inner wall of the door frame, the door body is rotatably connected with the outer side of the door shaft, a first box body is fixedly arranged on the door body, a first cavity body is arranged in the first box body, and the anti-theft safety door has the beneficial effects: the anti-theft rope is arranged between the anti-theft door and the wall body, multiple safety protection can be performed, violent intrusion is prevented, violent intrusion can be detected when the door opening speed is too high, the door body and the door frame are clamped through the air cylinder at the moment, violent intrusion is prevented, the rotation angle of the door body around the door shaft can be limited if the anti-theft rope is broken, the door body and the door shaft can be automatically clamped when the door body rotates to a certain angle around the door shaft, and violent intrusion is prevented.

Description

Anti-theft safety door with violence intrusion prevention function and use method

Technical Field

The invention relates to the technical field of anti-theft doors, in particular to an anti-theft safety door with a function of preventing violence intrusion and a using method.

Background

At present, the door is provided with an anti-theft lock, can resist abnormal opening under certain conditions within a certain time, has certain safety protection performance and accords with corresponding anti-theft safety level, and the anti-theft door is called as an anti-theft safety door. It has both anti-theft and safety performance. According to the regulations of general technical conditions of anti-theft doors, only when the door reaches the standard and is qualified in detection, the door which receives the certified products of safety precaution products can be called as an anti-theft door, the existing anti-theft door is generally technically improved in the aspect of unlocking prevention, but the door is insufficient in the aspect of non-theft behavior, for example, for criminals who do not unlock but violently break in, the anti-theft door can not play a role in protecting safety at all, although some current anti-theft doors are provided with anti-theft chains, the anti-theft chains are easy to break or are cut by tools such as hydraulic tongs, and the breakage of the anti-theft chains has no subsequent protective measures and can not prevent the violent break.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides the anti-theft safety door with the function of preventing the violent intrusion, the anti-theft rope is arranged between the anti-theft door and the wall body, multiple safety protection can be carried out, the violent intrusion is prevented, the violent intrusion can be detected when the door opening speed is too high, the door body and the door frame are clamped through the air cylinder at the moment, the violent intrusion is further prevented, the rotation angle of the door body around the door shaft can be limited if the anti-theft rope is broken, and the door body and the door shaft can be automatically clamped when the door body rotates to a certain angle around the door shaft, so that the violent intrusion is further prevented.

The invention adopts the technical scheme for solving the technical problems that: the anti-theft safety door with the function of preventing violence intrusion comprises a wall body, a door frame, a door shaft and a door body, wherein the door frame is installed on the wall body, the door body is arranged inside the door frame, the door shaft is fixedly installed at the top and the bottom of the inner wall of the door frame, the door body is rotatably connected with the outer side of the door shaft, a first box body is fixedly installed on the door body, a first cavity is arranged in the first box body, the inner wall of the first cavity is slidably connected with a right-angled trapezoidal block, a first channel communicated with the outside is arranged at one end of the first cavity, a first spring is fixedly installed on the inner wall of the right-angled trapezoidal block and the inner wall of the first cavity at one end of the first channel, a first rope body penetrating through the first channel is fixedly installed on the right-angled trapezoidal block, a first bolt is arranged at one end of the first rope body outside the first cavity, a second box body, the top and the bottom of the second box body are rotatably connected with a first rotating shaft, the top of the first rotating shaft is provided with a volute spiral spring fixedly connected with the inner wall of the top of the second box body, the outer side of the first rotating shaft is fixedly provided with a winding roll, the outer side of the winding roll is wound with a second rope body, the other end of the second rope body penetrates through a second channel, the second rope body is positioned at one end of the second box body and is fixedly provided with a nut capable of being matched with a first bolt, the outer side of the first rotating shaft is encircled with a ring-shaped piece, the inner side of the ring-shaped piece is fixedly provided with a second rotating shaft penetrating through the circle center of the ring-shaped piece and the first rotating shaft, the second rotating shaft is vertical to the first rotating shaft, the bottom of the edge of the ring-shaped piece is provided with an annular chute, balls are movably connected inside the annular chute, the bottom of the inner wall of the, the bottom of the first sliding plate and the inner wall of the bottom of the barrel are fixedly provided with second springs, the door body is provided with a fixed box with one end communicated with the outside, the wall body is internally provided with a first air cylinder, an output shaft of the first air cylinder penetrates through the door frame and then can extend into the fixed box, and the bottom of the inner wall of the second box body is fixedly provided with a first travel switch which is symmetrical with the barrel and can control the extension of the output shaft of the first air cylinder. This structure can judge that someone violence invades when the speed of opening the door is too fast, and then blocks the dead door body and door frame, forms safety protection.

In order to further improve the structure, a second pulley mechanism is arranged on the outer side of the second box body, the second pulley mechanism comprises L-shaped fixing plates which are symmetrically and fixedly installed on the outer side of the second box body, a fixing shaft is fixedly installed between the L-shaped fixing plates, a pulley is rotatably connected to the outer side of the fixing shaft, guide guard plates with the diameter larger than that of the pulley are symmetrically arranged on the outer sides of the pulley, the second rope body is positioned between the guide guard plates and clings to the outer side of the pulley, a first pulley mechanism identical to the second pulley mechanism is arranged on the outer side of the first box body, the first rope body and the first pulley mechanism are installed in the same manner as the second rope body and the second pulley mechanism, a threaded counter bore capable of being matched with a first bolt is arranged on the door body, an extension plate is fixedly installed on the outer side of the second box body, a second bolt capable of being matched with a nut is fixedly installed on the extension plate, and, the fourth travel switch contact props against the outer side of the second rope body.

Further perfecting, third cavities with one ends communicated with the outside are distributed on the outer side of the pulleys in an array mode, a first plate body is fixedly installed on the inner wall of the third cavity, a second plate body located between the first plate body and the end, close to the circle center, of the third cavity is connected to the inner wall of the third cavity in a sliding mode, a connecting column penetrating through the first plate body is fixedly installed on the second plate body, a third plate body connected with the inner wall of the third cavity in a sliding mode is fixedly installed at the other end of the connecting column, a third spring surrounding the connecting column is fixedly installed between the first plate body and the second plate body, a fixing block is fixedly installed on the extending plate, a fourth cavity is arranged inside the fixing block, a second sliding plate is connected to the inside of the fourth cavity in a sliding mode, a lifting block penetrating through the fourth cavity and close to one end of the pulleys is fixedly installed on the second sliding plate, and a power-, the encoder is provided with a roller which abuts against the outer side of the pulley, an alarm is arranged in the lifting block, a control chip which is used for starting and stopping the alarm according to data received by the encoder is arranged in the lifting block, a second travel switch which is used for controlling the encoder to be powered on and powered off is fixedly arranged on the second sliding plate, a contact of the second travel switch abuts against one end, far away from the pulley, of the fourth cavity, and a fourth spring which surrounds the second travel switch is fixedly arranged between the second sliding plate and one end, far away from the pulley, of the fourth cavity. The structure can assist the first rope body and the second rope body to slide

Further perfecting, a through groove passing through the circle center is formed in the door shaft, a third channel communicated with the outer side of the door shaft is formed in the door body, an installation block is arranged in the door body, the other end of the third channel is communicated with the outer side of the installation block, a clamping column capable of extending into the through groove is connected in a sliding mode in the third channel, a fifth spring is fixedly installed between the clamping column and the installation block, a magnet is arranged in the clamping column, an electromagnet capable of repelling the magnet is arranged in the installation block, a second cavity body located below the first cavity body is arranged in the first box body, a third sliding plate is connected in the second cavity body in a sliding mode, a top column penetrating through the top of the second cavity body and abutting against the inclined edge of the right-angled trapezoidal block is fixedly installed at the top of the third sliding plate, a third stroke switch for controlling the electromagnet to be opened and closed is fixedly installed at the, and a sixth spring surrounding the third travel switch is fixedly arranged at the bottom of the third sliding plate and the bottom of the second cavity. The structure can trigger follow-up protection when the first rope body or the second rope body is broken, and violent intrusion is prevented.

Further perfect, the third plate body is internally provided with a balancing weight.

Further perfection, the extension plate is made of metal.

Further perfection, the L-shaped fixing plate is made of metal.

A method for using an anti-theft safety door with a function of preventing violence intrusion comprises the following steps:

firstly, installation: when a resident needs to prevent theft and violence to break into at home, the first bolt is screwed out of the threaded counter bore, the second rope body is screwed out of the second bolt, then the first rope body and the second rope body are connected through the first bolt and the nut, and when the resident closes the door, the second rope body pulls the first rope body under the action of the volute spiral spring, so that the right-angled trapezoid block presses the first spring to be in a minimum contraction state;

secondly, preventing violent intrusion: when the door is opened, the first rope body pulls the second rope body, the second rope body drives the winding roll to rotate, the winding roll rotates to drive the first rotating shaft to rotate, the first rotating shaft rotates to drive the volute spiral spring to accumulate force, the first rotating shaft also rotates to drive the annular piece to rotate, the annular piece rotates to return to be positive through centrifugal force, the annular piece drives the connecting rod and the first sliding plate to ascend through the balls when returning to be positive, the first sliding plate ascends to drive the second spring to accumulate force, if the door is normally opened, the door opening speed is slow, the annular piece rotates slowly, the generated centrifugal force is small, the returning amplitude of the annular piece is small, if the annular piece is pushed by human force to break through violence when the door is opened, the annular piece rotates rapidly, the generated centrifugal force is large, the returning amplitude of the annular piece is increased, the returning amplitude of the annular piece is large, the first travel switch is pressed to be triggered, and the first travel switch is triggered to drive, the output shaft of the first air cylinder enters the fixed box, and the output shaft of the first air cylinder forms a barrier between the door frame and the door body at the moment, so that lawbreakers are prevented from violently entering the fixed box;

thirdly, the method comprises the following steps: and (4) alarming: when the second rope body is pulled out, the second rope body drives the pulley to select, the balancing weight is acted by centrifugal force to drive the third plate body to slide along the third cavity body when the pulley rotates, if the door opening speed is too high, the rotation speed of the pulley is high, and further the centrifugal force applied to the third plate body is increased, so that the third plate body and the outer side of the pulley are flush, the roller cannot push the lifting block to move when rotating along the outer side of the pulley and the outer side of the third plate body, and further the second travel switch cannot be triggered, when the roller rotates for a certain number of turns, the encoder receives a complete continuous waveform and transmits the waveform to the control chip, the control chip controls the alarm to give an alarm to drive a rusher, a program which starts the alarm to give an alarm after receiving the complete continuous waveform is written in the control chip, if the door is normally opened, the door opening speed is slow, and the rotation speed of the, the third plate body is small in centrifugal force, the third plate body cannot be flush with the outer side of the pulley through the centrifugal force, the roller inevitably extends into the third cavity when rotating along the outer side of the pulley, the lifting block is further driven to move, the second travel switch is triggered, the encoder can be closed after the second travel switch starts, when the rotation speed of the pulley is slow, the encoder is periodically powered off in the process that the roller rotates along the pulley, the waveform transmitted to the control chip is broken and discontinuous, the control chip cannot start the alarm to give an alarm, and therefore the common normal door opening mode or the violent intrusion of people can be distinguished;

fourthly, fracture protection: when first rope body or second rope body fracture, right angle trapezoidal piece receives the effect promotion fore-set decline of first spring, the fore-set descends to stab and moves third travel switch, third travel switch drives the electro-magnet and opens, electro-magnet repulsion magnet makes magnet hug closely the door-hinge outside, when the door body is promoted, the card post stretches into in the draw-in groove, it dies to block the door body and door-hinge, restrict its rotation angle, and then prevent that lawless persons from going into the room, and fourth travel switch no longer supports the second rope body, fourth travel switch is triggered at this moment and drives first cylinder and start, the output of first cylinder stretches into fixed box, prevent that violence from rushing into fixed box

The invention has the beneficial effects that: the anti-theft rope is arranged between the anti-theft door and the wall body, multiple safety protection can be performed, violent intrusion is prevented, violent intrusion can be detected when the door opening speed is too high, the door body and the door frame are clamped through the air cylinder at the moment, violent intrusion is prevented, the rotation angle of the door body around the door shaft can be limited if the anti-theft rope is broken, the door body and the door shaft can be automatically clamped when the door body rotates to a certain angle around the door shaft, and violent intrusion is prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view A of a portion of FIG. 1;

FIG. 3 is a partial enlarged view B of FIG. 1;

FIG. 4 is a partial enlarged view C of FIG. 3;

fig. 5 is a schematic structural view of a second case in the present invention.

Description of reference numerals: door frame 1, through groove 2, fixed box 3, door body 4, third travel switch 5, fourth spring 6, encoder 7, alarm 8, fourth travel switch 9, second channel 10, first cylinder 11, second box 12, second rope 13, winding reel 14, second sliding plate 15, fourth cavity 16, L-shaped fixed plate 17, second pulley mechanism 18, guide guard plate 19, pulley 20, fixed shaft 21, first pulley mechanism 22, first channel 23, first spring 24, right-angle trapezoidal block 25, top pillar 26, third sliding plate 27, first cavity 28, sixth spring 29, door shaft 30, first rotating shaft 31, volute spring 32, annular piece 33, annular chute 34, second spring 35, first sliding plate 36, connecting rod 37, cylinder 38, ball 39, second rotating shaft 40, second plate 41, connecting column 42, third cavity 43, third plate 44, balancing weight 45, and alarm device 8, The device comprises a first plate 46, a third spring 47, a clamping column 48, a magnet 49, a third channel 50, an installation block 51, a fixed block 52, a second travel switch 53, a control chip 54, a lifting block 55, a roller 56, a second cavity 57, a first box 58, an electromagnet 59, a fifth spring 60, a first rope 61, a threaded counter bore 62, an extension plate 63, a wall 64, a second bolt 65, a first travel switch 66, a nut 67 and a first bolt 68.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

with reference to figures 1, 2, 3, 4, 5: the anti-theft door with the function of preventing violence intrusion in the embodiment comprises a wall body 64, a door frame 1, a door shaft 30 and a door body 4, wherein the door frame 1 is installed on the wall body 64, the door body 4 is arranged inside the door frame 1, the door shaft 30 is fixedly installed at the top and the bottom of the inner wall of the door frame 1, the door body 4 is rotatably connected with the outer side of the door shaft 30, a first box body 58 is fixedly installed on the door body 4, a first cavity 28 is arranged in the first box body 58, a right-angled trapezoidal block 25 is slidably connected with the inner wall of the first cavity 28, a first channel 23 communicated with the outside is arranged at one end of the first cavity 28, a first spring 24 is fixedly installed on the inner wall of one end, located at the first channel 23, of the right-angled trapezoidal block 25 and the first cavity 28, a first rope body 61 penetrating through the first channel 23 is fixedly installed on the right-angled trapezoidal block 25, a first bolt, a second box body 12 is fixedly installed on the wall 64, a second channel 10 is arranged on the inner wall of one end, close to the first box body 58, of the second box body 12, the top and the bottom of the second box body 12 are rotatably connected with a first rotating shaft 31, a volute spring 32 fixedly connected with the inner wall of the top of the second box body 12 is installed at the top of the first rotating shaft 31, a winding reel 14 is fixedly installed on the outer side of the first rotating shaft 31, a second rope 13 with the other end penetrating through the second channel 10 is wound on the outer side of the winding reel 14, a nut 67 capable of being matched with a first bolt 68 is fixedly installed at one end, located at the second box body 12, of the second rope 13, a ring member 33 is wound on the outer side of the first rotating shaft 31, a second rotating shaft 40 penetrating through the circle center of the ring member 33 and the first rotating shaft 31 is fixedly installed at the inner side of the ring member 33, the second rotating shaft 40 is, the inside of the annular chute 34 is movably connected with a ball 39, the bottom of the inner wall of the second box 12 is fixedly provided with a cylinder 38, the inner wall of the cylinder 38 is connected with a first sliding plate 36 in a sliding manner, the top of the first sliding plate 36 is fixedly provided with a connecting rod 37 which penetrates through the top of the cylinder 38 and is fixedly connected with the ball 39, the bottom of the first sliding plate 36 and the inner wall of the bottom of the cylinder 38 are fixedly provided with a second spring 35, the door body 4 is provided with a fixed box 3 with one end communicated with the outside, the wall 64 is internally provided with a first cylinder 11 with an output shaft which penetrates through the door frame 1 and can extend into the fixed box 3, the bottom of the inner wall of the second box 12 is fixedly provided with a first travel switch 66 which is symmetrical with the cylinder 38 and can control the extension and retraction of the output shaft of the first cylinder 11, the outside of the second box 12 is provided with a second, a fixed shaft 21 is fixedly installed between the L-shaped fixed plates 17, a pulley 20 is rotatably connected to the outer side of the fixed shaft 21, guide guard plates 19 with a diameter larger than that of the pulley 20 are symmetrically arranged on the outer side of the pulley 20, the second rope body 13 is positioned between the guide guard plates 19 and tightly attached to the outer side of the pulley 20, a first pulley mechanism 22 identical to the second pulley mechanism 18 is arranged on the outer side of the first box 58, the first rope body 61 and the first pulley mechanism 22 are installed identically to the second rope body 13 and the second pulley mechanism 18, a threaded counter bore 62 capable of being matched with a first bolt 68 is arranged on the door body 4, an extension plate 63 is fixedly installed on the outer side of the second box 12, a second bolt 65 capable of being matched with a nut 67 is fixedly installed on the extension plate, a fourth travel switch 9 for controlling the extension and retraction of an output shaft of the first cylinder 11 is fixedly installed on the wall body 64, and a contact of the fourth travel switch 9 abuts against, third cavities 43 with one ends communicated with the outside are distributed outside the pulley 20 in an array manner, a first plate body 46 is fixedly arranged on the inner wall of each third cavity 43, the inner wall of each third cavity 43 is connected with a second plate body 41 which is positioned between the first plate body 46 and one end, close to the circle center, of each third cavity 43, a connecting column 42 penetrating through the first plate body 46 is fixedly arranged on each second plate body 41, a third plate body 44 which is connected with the inner wall of each third cavity 43 in a sliding manner is fixedly arranged on the other end of each connecting column 42, a third spring 47 surrounding the connecting column 42 is fixedly arranged between each first plate body 46 and each second plate body 41, a fixed block 52 is fixedly arranged on each extending plate 63, a fourth cavity 16 is arranged inside each fixed block 52, a second sliding plate 15 is connected inside each fourth cavity 16 in a sliding manner, and a lifting block 55 penetrating through one end, close to the pulley 20, of the fourth cavity 16 is fixedly arranged on each, the other end of the lifting block 55 is fixedly provided with a power-off zero clearing encoder 7, the encoder 7 is provided with a roller 56 which is abutted against the outer side of the pulley 20, the lifting block 55 is internally provided with an alarm 8, the lifting block 55 is internally provided with a control chip 54 which is used for opening and closing the alarm 8 according to the received data of the encoder 7, the second sliding plate 15 is fixedly provided with a second travel switch 53 which is used for controlling the power-on and power-off of the encoder 7, the contact of the second travel switch 53 is abutted against one end of the fourth cavity 16 far away from the pulley 20, a fourth spring 6 which surrounds the second travel switch 53 is fixedly arranged between the ends of the second sliding plate 15 and the fourth cavity 16 far away from the pulley 20, the door shaft 30 is internally provided with a through groove 2 which passes through the center of a circle, the door body 4 is internally provided with a third channel 50 which is communicated with the outer side of the door shaft 30, a clamping column 48 capable of extending into the through groove 2 is connected in a sliding manner in the third channel 50, a fifth spring 60 is fixedly installed between the clamping column 48 and the installation block 51, a magnet 49 is arranged in the clamping column 48, an electromagnet 59 capable of repelling the magnet 49 is arranged in the installation block 51, a second cavity 57 positioned below the first cavity 28 is arranged in the first box 58, a third sliding plate 27 is connected in the second cavity 57 in a sliding manner, a top column 26 penetrating through the top of the second cavity 57 and abutting against the bevel edge of the right-angled trapezoidal block 25 is fixedly installed at the top of the third sliding plate 27, a third stroke switch 5 for controlling the electromagnet 59 to open and close is fixedly installed at the bottom of the second cavity 57, a contact of the third stroke switch 5 abuts against the bottom of the third sliding plate 27, a sixth spring 29 surrounding the third stroke switch 5 is fixedly installed at the bottom of the third sliding plate 27 and the bottom of the second cavity 57, a balancing weight 45 is arranged inside the third plate body 44. Further perfection, the extension plate 63 is made of metal, and further perfection is realized, and the L-shaped fixing plate 17 is made of metal.

With reference to figures 1, 2, 3, 4, 5: a method for using an anti-theft safety door with a function of preventing violence intrusion comprises the following steps:

firstly, installation: when a resident needs to prevent theft and violence intrusion at home, the first bolt 68 is screwed out of the threaded counter bore 62, the second rope body 13 is screwed out of the second bolt 65, then the first rope body 61 and the second rope body 13 are connected through the first bolt 68 and the nut 67, and when the resident closes the door, the second rope body 13 pulls the first rope body 61 due to the action of the volute spring 32, so that the right-angle trapezoidal block 25 presses the first spring 24 to be in a minimum contraction state;

secondly, preventing violent intrusion: when the door is opened, the first rope body 61 pulls the second rope body 13, the second rope body 13 drives the winding reel 14 to rotate, the winding reel 14 rotates to drive the first rotating shaft 31 to rotate, the first rotating shaft 31 rotates to drive the scroll spring 32 to accumulate force, the first rotating shaft 31 rotates to drive the ring-shaped member 33 to rotate, the ring-shaped member 33 rotates to return to a normal position through centrifugal force, the ring-shaped member 33 drives the connecting rod 37 and the first sliding plate 36 to ascend through the balls 39 when returning to the normal position, the first sliding plate 36 ascends to drive the second spring 35 to accumulate force, if the door is opened normally, the door opening speed is slow, the ring-shaped member 33 rotates slowly, the generated centrifugal force is small, the return range of the ring-shaped member 33 is small, if the door is pushed by a person to open the violent force to rush by the force during opening the door, the ring-shaped member 33 rotates rapidly, the generated centrifugal force is large, the return range of the ring-shaped member 33 is large, the, the first travel switch 66 is triggered to drive the output shaft of the first air cylinder 11 to extend out, the output shaft of the first air cylinder 11 enters the fixed box 3, and at the moment, the output shaft of the first air cylinder 11 forms a barrier between the door frame 1 and the door body 4, so that the violent intrusion of lawbreakers is prevented;

thirdly, the method comprises the following steps: and (4) alarming: when the second rope body 13 is pulled out, the second rope body 13 drives the pulley 20 to select, when the pulley 20 rotates, the counterweight 45 is acted by centrifugal force to drive the third plate body 44 to slide along the third cavity 43, if the door opening speed is too high, the rotation speed of the pulley 20 is high, and further the centrifugal force borne by the third plate body 44 is increased, so that the third plate body 44 is flush with the outer side of the pulley 20, at the moment, the roller 56 rotates along the outer side of the pulley 20 and the outer side of the third plate body 44, the lifting block 55 cannot be pushed to move, and the second travel switch 53 cannot be triggered, when the roller 53 rotates for a certain number of turns, the encoder 7 receives a complete continuous waveform and then transmits the waveform to the control chip 54, the control chip 54 controls the alarm 8 to give an alarm to drive the intruder, the control chip 54 writes a program for starting the alarm 8 to give an alarm after receiving the complete continuous waveform, if the door is normally opened, the door opening speed is slow, the rotation speed of the pulley 20 is slow, so that the centrifugal force applied to the third plate body 44 is small, the third plate body 44 cannot be flush with the outer side of the pulley 20 through the centrifugal force, the roller 53 inevitably extends into the third cavity 43 when rotating along the outer side of the pulley 20, the lifting block 55 is driven to move, the second travel switch 53 is triggered, the encoder 7 can be closed after the second travel switch 53 starts, the encoder 7 is periodically powered off in the process that the roller 52 rotates along the pulley 20 when the rotation speed of the pulley 20 is slow, the waveform transmitted to the control chip 54 is broken and discontinuous, the control chip 54 cannot start the alarm 8 to give an alarm, and therefore, the normal door opening and the violent force intrusion of a person can be distinguished;

fourthly, fracture protection: when first rope 61 or the second rope 13 fracture, right angle trapezoidal piece 25 receives the effect of first spring 24 promotion fore-set 26 to descend, fore-set 26 descends and pokes third travel switch 5, third travel switch 5 drives electro-magnet 59 and opens, electro-magnet 59 repels magnet 49 and makes magnet 49 hug closely the door-hinge 30 outside, when door body 4 was promoted, card post 48 stretched into draw-in groove 2, block door body 4 and door-hinge 30 and die, restrict its rotation angle, and then prevent lawless persons from entering the room, and fourth travel switch 9 no longer supports second rope 13, fourth travel switch 9 was triggered this moment and is driven first cylinder 11 and start, the output of first cylinder 11 stretches into fixed box 3, prevent that the violence from invading.

While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims

1. The utility model provides an anti-theft safety door of function is invaded to violence of preventing, includes wall body (64), door frame (1), door-hinge (30), door body (4), characterized by: the door frame (1) is installed on a wall body (64), a door body (4) is arranged inside the door frame (1), a door shaft (30) is fixedly installed at the top and the bottom of the inner wall of the door frame (1), the door body (4) is rotatably connected with the outer side of the door shaft (30), a first box body (58) is fixedly installed on the door body (4), a first cavity (28) is arranged in the first box body (58), a right-angle trapezoidal block (25) is slidably connected to the inner wall of the first cavity (28), a first channel (23) communicated with the outside is arranged at one end of the first cavity (28), a first spring (24) is fixedly installed on the inner wall of one end, located on the first channel (23), of the right-angle trapezoidal block (25), a first rope body (61) penetrating through the first channel (23) is fixedly installed on the inner wall of the first cavity (28), and a first bolt (68) is arranged at one end, located outside the first cavity (28), of the first rope body (61), the wall body (64) is fixedly provided with a second box body (12), the second box body (12) is provided with a second channel (10) close to the inner wall of one end of the first box body (58), the top and the bottom of the second box body (12) are rotatably connected with a first rotating shaft (31), the top of the first rotating shaft (31) is provided with a volute spring (32) fixedly connected with the inner wall of the top of the second box body (12), the outer side of the first rotating shaft (31) is fixedly provided with a winding roll (14), the outer side of the winding roll (14) is wound with a second rope body (13) of which the other end penetrates through the second channel (10), the second rope body (13) is positioned at one end of the second box body (12) and is fixedly provided with a nut (67) capable of being matched with a first bolt (68), the outer side of the first rotating shaft (31) is wound with a ring-shaped element (33), the inner side of the ring-shaped element (33) is fixedly provided with a second rotating shaft (, second pivot (40) are perpendicular with first pivot (31), ring member (33) edge bottom is equipped with annular chute (34), the inside swing joint of annular chute (34) has ball (39), second box (12) inner wall bottom fixed mounting has barrel (38), barrel (38) inner wall sliding connection has first sliding plate (36), first sliding plate (36) top fixed mounting has connecting rod (37) of passing behind barrel (38) top and ball (39) fixed connection, first sliding plate (36) bottom and barrel (38) bottom inner wall fixed mounting has second spring (35), be equipped with fixed box (3) of one end and external intercommunication on the door body (4), wall body (64) inside is equipped with the output shaft and can stretch into first cylinder (11) of fixed box (3) after passing door frame (1), second box (12) inner wall bottom fixed mounting has and can control first gas cylinder (38) symmetry and cylinder (38), and can control first gas A first travel switch (66) for extending and contracting the output shaft of the cylinder (11).

2. The anti-violent-intrusion functional anti-theft gate according to claim 1, characterized in that: a second pulley mechanism (18) is arranged on the outer side of the second box body (12), the second pulley mechanism (18) comprises L-shaped fixing plates (17) which are symmetrically and fixedly installed on the outer side of the second box body (12), a fixing shaft (21) is fixedly installed between the L-shaped fixing plates (17), a pulley (20) is rotatably connected to the outer side of the fixing shaft (21), guide guard plates (19) with the diameter larger than that of the pulley (20) are symmetrically arranged on the outer side of the pulley (20), the second rope body (13) is located between the guide guard plates (19) and clings to the outer side of the pulley (20), a first pulley mechanism (22) which is the same as the second pulley mechanism (18) is arranged on the outer side of the first box body (58), the first rope body (61) and the first pulley mechanism (22) are installed the same as the second rope body (13) and the second pulley mechanism (18), and a threaded counter bore (62) which can be matched with the first bolt (68) is arranged on the door, the outer side of the second box body (12) is fixedly provided with an extension plate (63), the extension plate is fixedly provided with a second bolt (65) capable of being matched with a nut (67), the wall body (64) is fixedly provided with a fourth travel switch (9) for controlling the extension of an output shaft of the first cylinder (11), and a contact of the fourth travel switch (9) abuts against the outer side of the second rope body (13).

3. The anti-violent-intrusion functional anti-theft gate according to claim 2, characterized in that: the pulley (20) outer side array distribution has third cavity (43) of one end and external intercommunication, third cavity (43) inner wall fixed mounting has first plate body (46), third cavity (43) inner wall sliding connection has second plate body (41) that is located first plate body (46) and third cavity (43) and is close to between pulley (20) centre of a circle one end, fixed mounting has spliced pole (42) of passing first plate body (46) on second plate body (41), spliced pole (42) other end fixed mounting has third plate body (44) with third cavity (43) inner wall sliding connection, fixed mounting has third spring (47) around spliced pole (42) between first plate body (46) and second plate body (41), fixed mounting has fixed block (52) on extension board (63), fixed block (52) inside is equipped with fourth cavity (16), a second sliding plate (15) is connected to the inside of the fourth cavity (16) in a sliding manner, a lifting block (55) which penetrates through the fourth cavity (16) and is close to one end of the pulley (20) is fixedly mounted on the second sliding plate (15), a power-off zero clearing encoder (7) is fixedly mounted at the other end of the lifting block (55), a roller (56) which is abutted against the outer side of the pulley (20) is mounted on the encoder (7), an alarm (8) is arranged inside the lifting block (55), a control chip (54) which is used for starting and stopping the alarm (8) according to the received data of the encoder (7) is arranged inside the lifting block (55), a second travel switch (53) which is used for controlling the power-on and power-off of the encoder (7) is fixedly mounted on the second sliding plate (15), and a contact of the second travel switch (53) is abutted against one end, far away from the pulley, and a fourth spring (6) surrounding a second travel switch (53) is fixedly arranged between the second sliding plate (15) and one end of the fourth cavity (16) far away from the pulley (20).

4. The anti-violent-intrusion functional anti-theft gate according to claim 3, characterized in that: the door is characterized in that a through groove (2) passing through the center of a circle is formed in the door shaft (30), a third channel (50) communicating with the outer side of the door shaft (30) is formed in the door body (4), an installation block (51) is arranged in the door body (4), the other end of the third channel (50) is communicated with the outer side of the installation block (51), a clamping column (48) capable of extending into the through groove (2) is connected in a sliding mode in the third channel (50), a fifth spring (60) is fixedly installed between the clamping column (48) and the installation block (51), a magnet (49) is arranged in the clamping column (48), an electromagnet (59) capable of repelling the magnet (49) is arranged in the installation block (51), a second cavity (57) located below the first cavity (28) is arranged in the first box (58), a third sliding plate (27) is connected in the second cavity (57) in a sliding mode, and the top of the third sliding plate (27) is fixedly installed with a right-angle ladder after the second The support structure comprises a support pillar (26) of the inclined edge of the block (25), a third travel switch (5) for controlling the opening and closing of the electromagnet (59) is fixedly installed at the bottom of the second cavity (57), a contact of the third travel switch (5) props against the bottom of the third sliding plate (27), and a sixth spring (29) surrounding the third travel switch (5) is fixedly installed at the bottom of the third sliding plate (27) and the bottom of the second cavity (57).

5. The anti-violent-intrusion functional anti-theft gate according to claim 4, characterized in that: and a balancing weight (45) is arranged in the third plate body (44).

6. The anti-violent-intrusion functional anti-theft gate according to claim 1, characterized in that: the extension plate (63) is made of metal.

7. The anti-violent-intrusion functional anti-theft gate according to claim 1, characterized in that: the L-shaped fixing plate (17) is made of metal.

8. A method for using the anti-violent-intrusion functional anti-theft gate as claimed in claim 1, comprising the steps of:

firstly, installation: when a resident needs to prevent theft and violence intrusion at home, the first bolt (68) is unscrewed from the threaded counter bore (62), the second rope body (13) is unscrewed from the second bolt (65), then the first rope body (61) and the second rope body (13) are connected through the first bolt (68) and the nut (67), and when the resident is closed, the second rope body (13) pulls the first rope body (61) due to the action of the volute spiral spring (32), so that the right-angled trapezoid block (25) presses the first spring (24) to be in a minimum contraction state;

secondly, preventing violent intrusion: when the door is opened, the first rope body (61) pulls the second rope body (13), the second rope body (13) drives the winding roll (14) to rotate, the winding roll (14) rotates to drive the first rotating shaft (31) to rotate, the first rotating shaft (31) rotates to drive the volute spiral spring (32) to accumulate force, the first rotating shaft (31) rotates to drive the annular piece (33) to rotate, the annular piece (33) rotates to return through centrifugal force, the annular piece (33) returns to the right time and drives the connecting rod (37) and the first sliding plate (36) to ascend through the balls (39), the first sliding plate (36) ascends to drive the second spring (35) to accumulate force, if the door is opened normally, the door opening speed is slow, the annular piece (33) rotates slowly, the generated centrifugal force is small, the return positive amplitude of the annular piece (33) is small, if the door is pushed by force of a person to break open the door, the annular piece (33) rotates quickly, and the generated centrifugal force is large, the return amplitude of the annular parts (33) is increased, the return amplitude of the two annular parts (33) is large, the first travel switch (66) is pressed to be triggered, the first travel switch (66) drives the output shaft of the first air cylinder (11) to extend out after being triggered, the output shaft of the first air cylinder (11) enters the fixed box (3), and at the moment, the output shaft of the first air cylinder (11) forms a barrier between the door frame (1) and the door body (4) to prevent lawless persons from intruding violently;

thirdly, the method comprises the following steps: and (4) alarming: when the second rope body (13) is pulled out, the second rope body (13) drives the pulley (20) to select, when the pulley (20) rotates, the balancing weight (45) is acted by centrifugal force to drive the third plate body (44) to slide along the third cavity (43), if the door opening speed is too high, the rotating speed of the pulley (20) is high, further the centrifugal force borne by the third plate body (44) is increased, so that the third plate body (44) is flush with the outer side of the pulley (20), at the moment, the roller (56) cannot push the lifting block (55) to move when rotating along the outer side of the pulley (20) and the outer side of the third plate body (44), further the second travel switch (53) cannot be triggered, when the roller (53) rotates for a certain number of turns, after the encoder (7) receives a complete continuous waveform, the waveform is transmitted to the control chip (54), and the control chip (54) controls the alarm (8) to give an alarm, the anti-intruder driving device comprises a driving intruder, wherein a program for starting an alarm (8) to give an alarm after receiving a complete continuous waveform is written in a control chip (54), if the door is normally opened, the door opening speed is gentle, the rotation speed of a pulley (20) is slow, so that the centrifugal force applied to a third plate body (44) is small, the third plate body (44) cannot be flush with the outer side of the pulley (20) through the centrifugal force, a roller (53) inevitably extends into a third cavity (43) when rotating along the outer side of the pulley (20), a lifting block (55) is driven to move, so that a second travel switch (53) is triggered, an encoder (7) can be closed after the second travel switch (53) starts, when the rotation speed of the pulley (20) is slow, the encoder (7) is periodically powered off in the process that the roller (52) rotates along the pulley (20), so that the waveform transmitted to the control chip (54) is broken and discontinuous, therefore, the control chip (54) can not start the alarm (8) to give an alarm, and thus, the normal door opening can be distinguished, or a person intrudes violently;

fourthly, fracture protection: when first rope body (61) or second rope body (13) fracture, right angle trapezoidal piece (25) receive the effect of first spring (24) and promote fore-set (26) to descend, fore-set (26) descend and stab third travel switch (5), third travel switch (5) drive electro-magnet (59) open, electro-magnet (59) repel magnet (49) make magnet (49) hug closely the door-hinge (30) outside, when door body (4) are promoted, card post (48) stretch into draw-in groove (2), block door body (4) and door-hinge (30) and die, restrict its rotation angle, and then prevent lawless persons from entering the room, and fourth travel switch (9) no longer support second rope body (13), fourth travel switch (9) are triggered at this moment and drive first cylinder (11) and start, the output of first cylinder (11) stretches into fixed box (3), prevent violence and break into.