CN112227908B

CN112227908B - Magnetic alarm door lock for community

Info

Publication number: CN112227908B
Application number: CN202011096412.1A
Authority: CN
Inventors: 范赛英
Original assignee: Guangdong Shikongda Intelligent Technology Co ltd
Current assignee: Hainan Hailin Technology Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-08-03
Anticipated expiration: 2040-10-14
Also published as: CN112227908A

Abstract

The invention discloses a magnetic alarm door lock for communities, which comprises a door frame, wherein a placement cavity which is communicated from front to back is arranged in the door frame, a fixed rod is fixedly connected between the upper inner wall and the lower inner wall of the placement cavity, a door plate is rotatably connected onto the fixed rod, a power cavity is arranged in the door plate, a central processing unit and a lock cylinder box are fixedly connected onto the inner wall of the rear side of the power cavity, the lock cylinder box is positioned on the lower side of the central processing unit, and a lock cylinder cavity is arranged in the lock cylinder box; the alarm switch and the bolt switch are switched ceaselessly through the rotating worm wheel, and the position of the bolt switch is sent to a resident through the counter, so that people outside the resident do not know which lock cylinder can correctly open the door plate; a person in front of the door plate does not open the door within one minute, and then the auxiliary camera is started to carry out hidden observation on the condition of the doorway and inform a resident in time; the resident can deal with the emergency by opening the door through the door handle behind the revolving door, reduces the time of opening the door.

Description

Magnetic alarm door lock for community

Technical Field

The invention relates to the technical field of door locks, in particular to a magnetic alarm door lock for communities.

Background

The door lock is necessary safety guarantee for household residents, and the traditional door lock only has the function of a switch and does not have the function of alarming, so that the door lock can be pried by a person who is intentionally damaged very easily, and further the property of the household of the residents is lost; the traditional door lock only has one lock hole, and when the lock hole is damaged by a thief, the lock hole can not be used continuously, and when the lock cylinder is damaged seriously, the condition that the door can not be opened can be generated, so that the condition that indoor residents can not go out and outdoor residents can not go in is generated.

Disclosure of Invention

The invention aims to provide a magnetic alarm door lock for communities, and solves the problems of low detection efficiency and low accuracy of vacuum packaging bags.

The invention is realized by the following technical scheme.

The invention relates to a magnetic alarm door lock for communities, which comprises a door frame, wherein a placement cavity which is communicated from front to back is arranged in the door frame, a fixed rod is fixedly connected between the upper inner wall and the lower inner wall of the placement cavity, a door plate is rotatably connected onto the fixed rod, a power cavity is arranged in the door plate, a central processor and a lock cylinder box are fixedly connected onto the inner wall of the rear side of the power cavity, the lock cylinder box is positioned at the lower side of the central processor, a lock cylinder cavity is arranged in the lock cylinder box, a counter is fixedly connected onto the inner wall of the rear side of the lock cylinder cavity, the counter is electrically connected with the central processor, a support shaft is rotatably connected onto the front end surface of the counter, a worm wheel is fixedly connected onto the front end of the support shaft, two guide holes with forward openings are arranged in the worm wheel, the guide holes are symmetrically distributed around the support shaft, a linkage rod is slidably arranged in the guide holes, and a semicircular push plate is fixedly connected onto the front end surface of the linkage rod, a compression spring is fixedly connected between the rear end face of the linkage rod and the inner wall of the rear side of the guide hole, an alarm switch and a spring bolt switch are fixedly connected to the front end face of the worm wheel, the alarm switch and the spring bolt switch are both positioned on one side, close to the support shaft, of the linkage rod, the alarm switch is respectively positioned on the rear sides of corresponding semicircular push plates, two lock cylinders are in threaded connection with the inner wall of the front side of the lock cylinder cavity, the front end faces of the lock cylinders are flush with the front end face of the lock cylinder box, a spring is fixedly connected to the lower end face of the lock cylinder box, the upper end face of the spring is in power connection with a worm, and the upper end of the worm is positioned; a lock tongue cavity is arranged in the lock cylinder box, the lock tongue cavity is positioned on the right side of the lock cylinder cavity, a wedge-shaped rack is arranged on the inner wall of the left side of the lock tongue cavity in a sliding manner, an ejection spring is fixedly connected between the lower end surface of the wedge-shaped rack and the inner wall of the lower side of the lock tongue cavity, the ejection spring is electrically connected with the lock tongue switch, a lock tongue is arranged on the inner wall of the right side of the lock tongue cavity in a sliding manner, a lock tongue spring is fixedly connected between the left end surface of the lock tongue and the inner wall of the left side of the lock tongue cavity, a lock tongue groove with a left opening is arranged on the inner wall of the right side of the door frame, and the right end of the lock tongue can extend into the lock tongue groove; the power cavity front side inner wall is provided with a front and back through communication hole, the communication hole is positioned at the front side of the lock cylinder box, the upper side inner wall of the communication hole is provided with a baffle plate cavity with a downward opening, a sliding baffle plate is arranged in the baffle plate cavity in a sliding manner, a baffle plate spring is fixedly connected between the upper end surface of the sliding baffle plate and the upper side inner wall of the baffle plate cavity, the front end surface of the door plate is fixedly connected with a main camera, the main camera is positioned at the upper side of the communication hole, the main camera is electrically connected with the baffle plate spring and the central processing unit, the front side inner wall of the power cavity is provided with a front and back through camera hole, the camera hole is positioned at the lower side of the communication hole, a positioning shaft is fixedly connected between the left and right inner side walls of the camera hole, a rotating baffle plate is rotatably connected on the positioning shaft, the front end surface of the rotating baffle plate is fixedly connected with a reflection lens, and an auxiliary camera is fixedly connected on the front side inner wall of the power cavity, the auxiliary camera is positioned on the upper side of the camera hole and is electrically connected with the central processing unit; the spiral spring drives the worm to rotate, further drives the worm wheel to rotate, further drives the alarm switch and the lock tongue switch to rotate, further enables the two semicircular push plates behind the two lock cylinders to be in a changed state, the worm wheel drives the supporting shaft to rotate while rotating, further records the number of turns of the worm wheel through the counter, and informs a resident of the information of the number of the rotated turns through the central processing unit, thereby enabling the resident to know which lock cylinder is behind the lock tongue switch and further to open the door, when a person approaches the door frame and enters the visual field range of the main camera, the main camera feeds back an electric signal to the central processing unit and enables the baffle spring to be electrified, further drives the sliding baffle to slide, further enables the person in front of the door frame to insert the key into the lock cylinder to open the door, and when the person in front of the door frame does not perform the action of opening the door within one minute, the rotating baffle rotates and starts the auxiliary camera, and then the auxiliary camera records the current state of the doorway through the reflection of the reflecting lens, and informs the resident in the house to observe the condition of the doorway through the central processing unit.

Beneficially, a rotating shaft is rotatably connected to the inner wall of the lower side of the power cavity, the upper end of the rotating shaft is in power connection with the lower end face of the clockwork spring, a first linkage gear is fixedly connected to the rotating shaft, a section of the fixing rod in the power cavity is in spline connection with a sliding guide sleeve, a reset spring is fixedly connected to the fixing rod between the lower end face of the sliding guide sleeve and the inner wall of the lower side of the power cavity, a second linkage gear is fixedly connected to the sliding guide sleeve and can be meshed with the first linkage gear, a linkage plate is fixedly connected to the sliding guide sleeve and is located on the lower side of the second linkage gear, a traction rope is fixedly connected to the lower end face of the linkage plate, and the lower end of the traction rope is fixedly connected to the inner wall of the lower side of the placing cavity and is in sliding fit with the inner wall of the lower side of the power cavity; the door plant rotates round the dead lever, and then through haulage rope pulling slip guide pin bushing downstream and compression reset spring, and then makes second linkage gear and first linkage gear meshing and make first linkage gear rotate round the outer disc of second linkage gear, and then drives the axis of rotation through first linkage gear and rotates, and then goes up strength for the clockwork spring for clockwork spring inside obtains the energy storage.

Beneficially, a guide rod is fixedly connected to the inner wall of the rear side of the power cavity, the guide rod is located on the rear side of the camera shooting hole, a sliding hole with a forward opening is formed in the guide rod, a sliding rod is slidably arranged in the sliding hole, a pushing spring is fixedly connected between the rear end face of the sliding rod and the inner wall of the rear side of the sliding hole, the pushing spring is electrically connected with the central processing unit, a sliding block groove with a backward opening is formed in the rotating baffle, a linkage sliding block is slidably arranged in the sliding block groove, and the front end of the sliding rod is hinged to the linkage sliding block; promote the spring circular telegram compression, and then drive through the slide bar and rotate the baffle and rotate round the location axle, and then drive the reflection mirror piece and rotate, and then make the supplementary camera pass through the other condition of reflection mirror piece observation door and can not make the other people of door to perceive to some extent.

Advantageously, a rotating rod is rotatably connected between the front inner side wall and the rear inner side wall of the bolt cavity, the rotating rod is located on the lower side of the bolt, a matching gear is fixedly connected to the rotating rod, the matching gear is meshed with the wedge-shaped rack, a torsion spring is fixedly connected to the rotating rod between the rear end face of the matching gear and the rear inner wall of the bolt cavity, and the rear end of the rotating rod is located on the rear side of the door panel and fixedly connected with a door handle; people in the room rotate the door handle, and then drive cooperation gear through the dwang and rotate, and then drive wedge rack lapse, and then drive the spring bolt slip under the spring action of spring bolt spring, and then open the door plant, avoid breaking down under emergency and make the door plant appear the condition that can not open.

Beneficially, an alarm is fixedly connected to the inner wall of the lower side of the power cavity, the alarm is located on the right side of the camera shooting hole, and the alarm is electrically connected with the alarm switch; when someone wants to open the door panel and rotate wrong lock core, and then press alarm switch through the semicircle push pedal, and then trigger the alarm and send out the police dispatch newspaper and remind the resident family, simultaneously through the characteristic of main camera record person that opens the door.

The invention has the beneficial effects that: the alarm switch and the bolt switch are switched ceaselessly through the rotating worm wheel, and the position of the bolt switch is sent to a resident through the counter, so that people outside the resident do not know which lock cylinder can correctly open the door plate; a person in front of the door plate does not open the door within one minute, and then the auxiliary camera is started to carry out hidden observation on the condition of the doorway and inform a resident in time; the resident can deal with the emergency by opening the door through the door handle behind the revolving door, reduces the time of opening the door.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic structural view taken along the direction A-A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the embodiment of the present invention in the direction B-B in FIG. 1;

FIG. 4 is a schematic view of the structure in the direction C-C in FIG. 1 according to the embodiment of the present invention;

FIG. 5 is an enlarged schematic view of the embodiment of the present invention at D in FIG. 1;

FIG. 6 is a schematic structural diagram along the direction E-E in FIG. 5 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, 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.

With reference to fig. 1-6, the magnetic alarm door lock for communities comprises a door frame 11, a front and rear through placing cavity 12 is arranged in the door frame 11, a fixing rod 27 is fixedly connected between the upper inner side wall and the lower inner side wall of the placing cavity 12, a door plate 13 is rotatably connected to the fixing rod 27, a power cavity 15 is arranged in the door plate 13, a central processing unit 63 and a lock cylinder box 19 are fixedly connected to the inner wall of the rear side of the power cavity 15, the lock cylinder box 19 is located at the lower side of the central processing unit 63, a lock cylinder cavity 18 is arranged in the lock cylinder box 19, a counter 62 is fixedly connected to the inner wall of the rear side of the lock cylinder cavity 18, the counter 62 is electrically connected to the central processing unit 63, a supporting shaft 31 is rotatably connected to the front end surface of the counter 62, a worm wheel 17 is fixedly connected to the front end of the supporting shaft 31, two guiding holes 16 with forward openings are arranged in the worm wheel 17, and the guiding holes 16 are symmetrically distributed about the supporting shaft 31, a linkage rod 32 is slidably arranged in the guide hole 16, a semicircular push plate 33 is fixedly connected to the front end face of the linkage rod 32, a compression spring 41 is fixedly connected between the rear end face of the linkage rod 32 and the inner wall of the rear side of the guide hole 16, an alarm switch 40 and a bolt switch 64 are fixedly connected to the front end face of the worm wheel 17, the alarm switch 40 and the bolt switch 64 are both located on one side, close to the support shaft 31, of the linkage rod 32, the alarm switches 40 are respectively located on the rear sides of the corresponding semicircular push plates 33, two lock cylinders 34 are in threaded connection with the inner wall of the front side of the lock cylinder cavity 18, the front end faces of the lock cylinders 34 are flush with the front end face of the lock cylinder box 19, a spring 21 is fixedly connected to the lower end face of the lock cylinder box 19, a worm 20 is in power connection with the upper end face of the spring 21, and the upper end of the worm 20 is located in the lock cylinder cavity 18 and meshed with the worm wheel 17; a lock tongue cavity 52 is arranged in the lock cylinder box 19, the lock tongue cavity 52 is positioned on the right side of the lock cylinder cavity 18, a wedge-shaped rack 60 is arranged on the inner wall of the left side of the lock tongue cavity 52 in a sliding manner, an ejection spring 61 is fixedly connected between the lower end surface of the wedge-shaped rack 60 and the inner wall of the lower side of the lock tongue cavity 52, the ejection spring 61 is electrically connected with a lock tongue switch 64, a lock tongue 55 is arranged on the inner wall of the right side of the lock tongue cavity 52 in a sliding manner, a lock tongue spring 51 is fixedly connected between the left end surface of the lock tongue 55 and the inner wall of the left side of the lock tongue cavity 52, a lock tongue groove 56 with a leftward opening is arranged on the inner wall of the right side of the door frame 11, and the right end of the lock tongue 55 can extend into the lock tongue groove 56; the utility model discloses a door lock core box, including power chamber 15, intercommunicating pore 35 that link up around being equipped with on the inner wall of power chamber 15 front side, intercommunicating pore 35 is located the front side of lock core box 19, be equipped with the downward baffle chamber 38 of opening on the inner wall of intercommunicating pore 35 upside, it is equipped with slide damper 36 to slide in the baffle chamber 38, slide damper 36 up end with link firmly baffle spring 37 between the baffle chamber 38 upside inner wall, the rigid coupling has main camera 39 on the preceding terminal surface of door plant 13, main camera 39 is located the upside of intercommunicating pore 35, main camera 39 with baffle spring 37, central processing unit 63 electric connection, be equipped with the camera hole 48 that link up around on the inner wall of power chamber 15 front side, camera hole 48 is located the downside of intercommunicating pore 35, the rigid coupling has location axle 47 between the inside wall about camera hole 48, the last rotation of location axle 47 is connected with and rotates baffle 46, a reflection lens 43 is fixedly connected to the front end face of the rotary baffle 46, an auxiliary camera 42 is fixedly connected to the inner wall of the front side of the power cavity 15, the auxiliary camera 42 is located on the upper side of the camera hole 48, and the auxiliary camera 42 is electrically connected with the central processing unit 63; the spiral spring 21 drives the worm 20 to rotate, further drives the worm wheel 17 to rotate, further drives the alarm switch 40 and the latch switch 64 to rotate, further enables the two semicircular push plates 33 behind the two lock cylinders 34 to be in a changing condition, the worm wheel 17 drives the supporting shaft 31 to rotate while rotating, further records the number of rotating circles of the worm wheel 17 through the counter 62, and informs a resident of the information of the number of rotating circles through the central processing unit 63, so that the resident knows which lock cylinder 34 is behind the latch switch 64, further can open the door, when a person approaches the door frame 11 and enters the visual field range of the main camera 39, the main camera 39 feeds back an electric signal to the central processing unit 63 and enables the baffle spring 37 to be electrified, further drives the sliding baffle 36 to slide, further enables a person in front of the door frame 11 to insert a key into the lock cylinder 34 to open the door, when the person in front of the door frame 11 does not perform the action of opening the door within one minute, the rotary baffle 46 rotates and starts the auxiliary camera 42, so that the auxiliary camera 42 records the current state of the doorway through the reflection of the reflector 43, and informs the resident in the house to observe the condition of the doorway through the central processing unit 63.

Advantageously, a rotating shaft 28 is rotatably connected to the inner wall of the lower side of the power chamber 15, the upper end of the rotating shaft 28 is connected to the lower end face of the spring 21, a first linkage gear 29 is fixedly connected on the rotating shaft 28, a section of the fixed rod 27 in the power cavity 15 is connected with a sliding guide sleeve 23 through a spline, a return spring 25 is fixedly connected on the fixed rod 27 between the lower end surface of the sliding guide sleeve 23 and the inner wall of the lower side of the power cavity 15, a second linkage gear 22 is fixedly connected to the sliding guide sleeve 23, the second linkage gear 22 can be meshed with the first linkage gear 29, a linkage plate 24 is fixedly connected to the sliding guide sleeve 23, the linkage plate 24 is positioned at the lower side of the second linkage gear 22, a traction rope 26 is fixedly connected to the lower end face of the linkage plate 24, and the lower end of the traction rope 26 is fixedly connected to the inner wall of the lower side of the placing cavity 12 and is in sliding fit with the inner wall of the lower side of the power cavity 15; the door panel 13 rotates around the fixing rod 27, and then the sliding guide sleeve 23 is pulled by the pulling rope 26 to move downwards and compress the reset spring 25, so that the second linkage gear 22 is meshed with the first linkage gear 29, and the first linkage gear 29 rotates around the outer circular surface of the second linkage gear 22, and then the first linkage gear 29 drives the rotating shaft 28 to rotate, so that the clockwork spring 21 is energized, and the energy is stored inside the clockwork spring 21.

Beneficially, a guide rod 30 is fixedly connected to the inner wall of the rear side of the power cavity 15, the guide rod 30 is located at the rear side of the camera shooting hole 48, a sliding hole 50 with a forward opening is formed in the guide rod 30, a sliding rod 14 is slidably arranged in the sliding hole 50, a pushing spring 49 is fixedly connected between the rear end face of the sliding rod 14 and the inner wall of the rear side of the sliding hole 50, the pushing spring 49 is electrically connected with the central processing unit 63, a sliding block groove 44 with a backward opening is formed in the rotating baffle 46, a linkage sliding block 45 is slidably arranged in the sliding block groove 44, and the front end of the sliding rod 14 is hinged to the linkage sliding block 45; the pushing spring 49 is electrified and compressed, and then the sliding rod 14 drives the rotating baffle 46 to rotate around the positioning shaft 47, and then the reflecting lens 43 is driven to rotate, so that the auxiliary camera 42 observes the condition beside the door through the reflecting lens 43 and cannot enable people beside the door to perceive the condition.

Advantageously, a rotating rod 53 is rotatably connected between the front inner side wall and the rear inner side wall of the latch cavity 52, the rotating rod 53 is located at the lower side of the latch bolt 55, a mating gear 54 is fixedly connected to the rotating rod 53, the mating gear 54 is meshed with the wedge-shaped rack 60, a torsion spring 58 is fixedly connected to the rotating rod 53 between the rear end surface of the mating gear 54 and the rear inner side wall of the latch cavity 52, and the rear end of the rotating rod 53 is located at the rear side of the door panel 13 and fixedly connected with a door handle 57; indoor people rotates door handle 57, and then drives cooperation gear 54 through dwang 53 and rotate, and then drives wedge rack 60 and slides down, and then drives spring bolt 55 and slides under spring action of spring bolt spring 51, and then opens door plant 13, avoids breaking down under emergency and makes the condition that door plant 13 appears not opening.

Beneficially, an alarm 59 is fixedly connected to the inner wall of the lower side of the power cavity 15, the alarm 59 is located on the right side of the camera hole 48, and the alarm 59 is electrically connected with the alarm switch 40; when someone wants to open the door panel 13 and rotate the wrong lock cylinder 34, the alarm switch 40 is pressed through the semicircular push plate 33, the alarm 59 is triggered to give an alarm to remind a resident, and the characteristics of the person who opens the door are recorded through the main camera 39.

The following will describe in detail the usage steps of a magnetic alarm door lock for community in conjunction with fig. 1-6:

initially, the door panel 13 is completely located in the placing cavity 12, the right end of the lock tongue 55 is located in the lock tongue groove 56, the wedge-shaped rack 60 is located at the upper limit position and located at the left side of the lock tongue 55, the push spring 49 and the baffle spring 37 are in the extended state, the sliding guide sleeve 23 is located at the upper limit position, the second linkage gear 22 is not meshed with the first linkage gear 29, and the clockwork spring 21 has mechanical energy.

The clockwork spring 21 releases mechanical energy to drive the worm 20 to rotate, further drives the worm wheel 17 to rotate, further drives the alarm switch 40 and the bolt switch 64 to rotate, further enables the two semicircular push plates 33 behind the two lock cylinders 34 to be in a changing state, the worm wheel 17 rotates and simultaneously drives the supporting shaft 31 to rotate, further records the number of rotating turns of the worm wheel 17 through the counter 62, and informs the resident of the information of the number of rotating turns through the central processing unit 63, so that the resident knows which lock cylinder 34 is behind the bolt switch 64, and further can open the door;

when a person approaches the door frame 11 and enters the visual field range of the main camera 39, the main camera 39 feeds back an electric signal to the central processing unit 63 to start timing and enable the baffle spring 37 to be electrified, so as to drive the sliding baffle 36 to slide, further enable the person in front of the door to insert a key into the lock cylinder 34, further rotate the lock cylinder 34, further push the semicircular push plate 33 on the front side of the lock tongue switch 64 and press the lock tongue switch 64, further energize the ejection spring 61 and enable the ejection spring 61 to be compressed, further enable the wedge-shaped rack 60 to slide downwards, further drive the lock tongue 55 to slide leftwards under the tensile force of the lock tongue spring 51, enable the lock tongue 55 to be separated from the lock tongue groove 56, and further open the door panel 13; when the door panel 13 rotates around the fixing rod 27, the linkage plate 24 is pulled by the traction rope 26 to move downwards, so that the sliding guide sleeve 23 is driven to move downwards and the reset spring 25 is compressed, the second linkage gear 22 is meshed with the first linkage gear 29, the first linkage gear 29 rotates around the outer circular surface of the second linkage gear 22, the rotating shaft 28 is driven to rotate through the first linkage gear 29, the clockwork spring 21 is energized, energy is stored in the clockwork spring 21, mechanical energy in the clockwork spring 21 is supplemented, and when the door panel 13 is closed, the sliding guide sleeve 23 is restored to an initial state under the elastic action of the reset spring 25;

when a person in front of the door frame 11 does not open the door within one minute, the central processing unit 63 energizes the pushing spring 49 and compresses the pushing spring 49, so as to drive the sliding rod 14 to slide backwards, further drive the rotating baffle 46 to rotate around the positioning shaft 47 through the sliding rod 14, further drive the reflection lens 43 to rotate, then start the auxiliary camera 42, further enable the auxiliary camera 42 to record the current state of the doorway in a concealed manner through the reflection of the reflection lens 43, and enable no person beside the door panel 13 to perceive the doorway, and notify a resident in a house to pay attention to the condition of the doorway through the central processing unit 63;

when meeting emergency, indoor people rotates door handle 57, and then drives cooperation gear 54 through dwang 53 and rotates, and then drives wedge rack 60 and slides downwards, and then drives spring bolt 55 and slides under spring action of spring bolt spring 51, and then opens door plant 13, avoids breaking down under emergency and makes the condition that door plant 13 appears not opening.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a magnetic force warning lock is used in community, includes the door frame, its characterized in that: a placing cavity which is communicated from front to back is arranged in the door frame, a fixed rod is fixedly connected between the upper inner wall and the lower inner wall of the placing cavity, a door plate is rotatably connected onto the fixed rod, a power cavity is arranged in the door plate, a central processing unit and a lock cylinder box are fixedly connected onto the inner wall of the rear side of the power cavity, the lock cylinder box is positioned at the lower side of the central processing unit, a lock cylinder cavity is arranged in the lock cylinder box, a counter is fixedly connected onto the inner wall of the rear side of the lock cylinder cavity, the counter is electrically connected with the central processing unit, a supporting shaft is rotatably connected onto the front end surface of the counter, a worm wheel is fixedly connected onto the front end of the supporting shaft, two guide holes with forward openings are arranged in the worm wheel, the guide holes are symmetrically distributed around the supporting shaft, linkage rods are slidably arranged in the guide holes, a semicircular push plate is fixedly connected onto the front end surface of the linkage rods, and a compression spring is fixedly connected between the rear end surface of the linkage rods and the inner wall of the guide holes, the front end face of the worm wheel is fixedly connected with an alarm switch and a spring bolt switch, the alarm switch and the spring bolt switch are both positioned on one side of the linkage rod close to the support shaft, the alarm switch is respectively positioned on the rear side of the corresponding semicircular push plate, two lock cylinders are in threaded connection on the inner wall of the front side of the lock cylinder cavity, the front end face of each lock cylinder is flush with the front end face of the lock cylinder box, a spring is fixedly connected on the lower end face of the lock cylinder box, the upper end face of the spring is in power connection with a worm, and the upper end of the worm is positioned in the lock cylinder cavity and is meshed with the worm wheel; a lock tongue cavity is arranged in the lock cylinder box, the lock tongue cavity is positioned on the right side of the lock cylinder cavity, a wedge-shaped rack is arranged on the inner wall of the left side of the lock tongue cavity in a sliding manner, an ejection spring is fixedly connected between the lower end surface of the wedge-shaped rack and the inner wall of the lower side of the lock tongue cavity, the ejection spring is electrically connected with the lock tongue switch, a lock tongue is arranged on the inner wall of the right side of the lock tongue cavity in a sliding manner, a lock tongue spring is fixedly connected between the left end surface of the lock tongue and the inner wall of the left side of the lock tongue cavity, a lock tongue groove with a left opening is arranged on the inner wall of the right side of the door frame, and the right end of the lock tongue can extend into the lock tongue groove; the power cavity front side inner wall is provided with a front and back through communication hole, the communication hole is positioned at the front side of the lock cylinder box, the upper side inner wall of the communication hole is provided with a baffle plate cavity with a downward opening, a sliding baffle plate is arranged in the baffle plate cavity in a sliding manner, a baffle plate spring is fixedly connected between the upper end surface of the sliding baffle plate and the upper side inner wall of the baffle plate cavity, the front end surface of the door plate is fixedly connected with a main camera, the main camera is positioned at the upper side of the communication hole, the main camera is electrically connected with the baffle plate spring and the central processing unit, the front side inner wall of the power cavity is provided with a front and back through camera hole, the camera hole is positioned at the lower side of the communication hole, a positioning shaft is fixedly connected between the left and right inner side walls of the camera hole, a rotating baffle plate is rotatably connected on the positioning shaft, the front end surface of the rotating baffle plate is fixedly connected with a reflection lens, and an auxiliary camera is fixedly connected on the front side inner wall of the power cavity, the auxiliary camera is positioned on the upper side of the camera shooting hole and electrically connected with the central processing unit.

2. The magnetic alarm door lock for communities as claimed in claim 1, wherein: rotate on the power chamber downside inner wall and be connected with the axis of rotation, the upper end power of axis of rotation connect in on the lower terminal surface of clockwork spring, the rigid coupling has first linkage gear in the axis of rotation, the dead lever in one section splined connection in the power intracavity has the slip guide pin bushing, slip guide pin bushing down the terminal surface with between the power chamber downside inner wall in reset spring has been linked firmly on the dead lever, the rigid coupling has second linkage gear on the slip guide pin bushing, second linkage gear can with first linkage gear engagement, the rigid coupling has the linkage board on the slip guide pin bushing, the linkage board is located the downside of second linkage gear, the rigid coupling has the haulage rope on the terminal surface under the linkage board, the lower extreme rigid coupling of haulage rope in place on the downside inner wall in chamber and slide fit in power chamber downside inner wall.

3. The magnetic alarm door lock for communities as claimed in claim 1, wherein: the rigid coupling has the guide bar on the power cavity rear side inner wall, the guide bar is located the rear side in hole of making a video recording, be equipped with the forward sliding hole of opening in the guide bar, the slip is equipped with the slide bar in the sliding hole, the slide bar rear end face with linking firmly between the sliding hole rear side inner wall and promoting the spring, promote the spring with central processing unit electric connection, be equipped with the slider groove that the opening is backward in the rotating baffle, it is equipped with the linkage slider to slide in the slider groove, the front end of slide bar articulate in on the linkage slider.

4. The magnetic alarm door lock for communities as claimed in claim 1, wherein: the lock tongue chamber is connected with the dwang around the inside wall rotates between, the dwang is located the downside of spring bolt, the rigid coupling has the cooperation gear on the dwang, the cooperation gear with wedge rack toothing, cooperation gear rear end face with between the inside wall of lock tongue chamber rear side in the torsional spring has been linked firmly on the dwang, the dwang rear end is located door plant rear side and rigid coupling have the door handle.

5. The magnetic alarm door lock for communities as claimed in claim 1, wherein: the alarm is fixedly connected to the inner wall of the lower side of the power cavity and located on the right side of the camera shooting hole, and the alarm is electrically connected with the alarm switch.