CN117459683A - Visual visitor intercom terminal of intelligent building - Google Patents

Abstract

The invention relates to the technical field of building intercom terminals, in particular to an intelligent building visual visitor intercom terminal which comprises a protection box, wherein a screw rod, a motor, a terminal instrument and a brake column are arranged in the protection box, one end of the screw rod is connected with the motor, the other end of the screw rod is provided with the terminal instrument, the screw rod penetrates through a threaded hole formed in one end of the brake column, the other end of the brake column is connected with a box cover, a direction control plate is fixed inside the protection box on two sides of the brake column, the protection box is a rectangular box with one side open, rainwater retained on the terminal instrument can be treated, dust on the surface of the terminal instrument can be taken away by a sponge piece in the wiping process, the effect of cleaning dust is achieved, in addition, the sponge column is drained at the bottommost part of the protection box, so that the sponge column can be continuously put into next use, the whole process drives the source to be a single motor, and the mechanical automatic multi-control effect of the sponge piece and a dust cover can be achieved.

Description

Visual visitor intercom terminal of intelligent building

Technical Field

The invention relates to the technical field of building intercom terminals, in particular to an intelligent building visual visitor intercom terminal.

Background

The intelligent building is characterized in that the intelligent building is a 5A system, the intelligent building organically integrates the 5 systems through a communication network system, integrates structures, systems, services, management and the optimal combination among the systems, so that the building has the characteristics of safety, convenience, high efficiency and energy conservation, is an edge crossing discipline, relates to computer technology, automatic control, communication technology, building technology and the like, is increasingly applied to the intelligent building, and is known by referring to an intelligent building visual visitor intercom terminal with the publication number of CN215722383U in the prior patent document, and the problem is that the intercom terminal is directly exposed outside, rainwater easily enters the intercom terminal, and is easily damaged due to external force or unresistance.

Although the patent document solves the problem of rain protection, the function is not comprehensive, if a user uses the intercom terminal in overcast and rainy weather, the intercom terminal is exposed to the outside in the use process, rainwater can possibly appear to directly fall on the intercom terminal, after the use is finished, the outer cover falls to cover the intercom terminal, but the water attached to the intercom terminal is directly remained under the cover of the outer cover, so that the rainwater falling on the intercom terminal needs to be treated in advance.

Disclosure of Invention

The invention aims to provide an intelligent building visual visitor intercom terminal so as to solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a visual visitor terminal of talkbacking of intelligent building, includes the protection box, be provided with lead screw, motor, terminal instrument and brake column in the protection box, the one end of lead screw is connected with the motor, and the other end of lead screw is provided with terminal instrument, the screw hole that brake column one end was seted up is run through to the lead screw, and the other end of brake column is connected with the lid, and the inside accuse towards the board that all is fixed with of protection box of brake column both sides, the protection box is one side open-ended rectangle box, and the opening part shutoff of protection box has the lid, and half opening of protection box is covered by the lid, the lid includes the short slab of U template, U template top body coupling's long slab and U template below body coupling, is provided with the sponge piece in the U template of lid, and the sponge piece removes the clean terminal instrument's of in-process surface, and the lid bottom is provided with the shield.

Preferably, both ends of the sponge piece are covered with dustproof round covers, the dustproof round covers fix the two ends of the U-shaped plate of the box cover, the box cover falls to the bottom to cover the terminal instrument in the protection box, and the box cover rises to the top to expose the terminal instrument in the protection box.

Preferably, the sponge piece includes end accuse frame, sponge post, outer accuse frame and brake body, the both ends position of sponge post all is provided with end accuse frame, one side of end accuse frame back to the sponge post is provided with outer accuse frame and brake body, end accuse frame and brake body transmission are connected, the brake body includes straight rack, Z that straight rack one end set up is rolled over the post and a plurality of J templates that straight rack one side set up, J templates on the brake body are fixed on the protection box, set up the hole that supplies the straight rack axial displacement of brake body on the dustproof dome, and set up the hole that supplies the Z type folded plate of brake body to pass through on the one side casing of dustproof dome, the brake body is fixed in the side hypomere position of protection box, when end accuse frame accompanies the lid to remove the bottommost position of protection box, Z type on the brake body rolls over the post and triggers end accuse frame and outer accuse frame deformation respectively.

Preferably, the shield includes locating piece, outer axle and dustproof arc board, the arc board hole that U template one side of lid was seted up is run through to dustproof arc board, and the outer cambered surface both sides of dustproof arc board all set up one row of arc arrangement tooth near the bottom surface position, and the both sides of dustproof arc board all are provided with the locating piece, all run through the outer axle on every locating piece, and the outer axle includes the gear that round bar and round bar both ends are all fixed, and the-end gear and the dustproof arc board meshing of outer axle are connected, and the other end gear and the outer accuse frame transmission of outer axle are connected, and the body of rod activity of outer axle runs through the through-hole of seting up on the dustproof shield casing.

Preferably, the outer accuse frame includes spacing book post of concave type, first metal shrapnel, first push rod and outer accuse body, outer accuse body is including the L template of the outer rack of arc and the integrative connection in arc external tooth bar one side, the through-hole has been seted up to the L template department of buckling of outer accuse body, and the activity cup joints the one end of the spacing book post of concave type in the through-hole, and the other end and the end accuse frame of the spacing book post of concave type are connected, first metal shrapnel includes the L template of C type piece and C type piece one end body coupling, the one end of first metal shrapnel is fixed on the spacing book post of concave type, the other end jack-prop the L template of outer accuse body of first metal shrapnel, the outer rack of arc and the outer axle meshing transmission of outer accuse body are connected.

Preferably, the end control frame comprises a driving piece, an inner plate, a thick shaft, a main gear and a half cover frame, one end of the thick shaft is fixed at the middle position of the bottom surface of the sponge column, the two ends of the sponge column are provided with the inner plate, one end of the inner plate is integrally connected with the box cover, one side of the inner plate is provided with the driving piece, the other side of the inner plate is provided with the half cover frame, the inner plate is connected with the half cover frame, the sponge column is covered by the half cover frames on the two sides in a matched manner, the thick shaft is movably sleeved in a through hole formed in the inner plate, the main gear is fixed at the other end of the thick shaft, and the main gear is connected with the brake body in a meshed manner.

Preferably, the driving piece includes locating clip, second metal shell fragment and second push rod, the second metal shell fragment includes the straight piece of C type piece and C type piece one end body coupling, and the C type piece other end of second metal shell fragment is fixed on the locating clip, and locating clip fixes on the inner panel, and the straight piece contact of one side and second metal shell fragment of second push rod, the arc plate hole of seting up on the second push rod runs through the inner panel, and second push rod one end and half cover frame are connected, and the opposite side of second push rod is in the face of the Z type of the brake body and is rolled over the post.

Preferably, the half cover frame comprises an outer gear ring, a single element, an extrusion rod, a T-shaped body and a control plate, wherein a plurality of uniformly distributed single elements are annularly arranged on the control plate, an outer gear ring is arranged on one side of the control plate facing to a main gear, two symmetrically distributed T-shaped bodies are arranged in the outer gear ring, each T-shaped body comprises an arc-shaped outer groove rail body and a cross column connected with the middle part of the inner side of the rail body, one end of each cross column of each T-shaped body is fixed on an inner plate, the outer gear ring is movably arranged on an arc-shaped outer groove of each T-shaped body, the extrusion rod is in transmission connection with the outer gear ring, one end of each second push rod is fixed on the outer gear ring, one end of each extrusion rod is connected with the single element, a plurality of extrusion rods are uniformly annularly arranged on the outer side of each sponge column, and the two half cover frames outside the sponge columns are fastened and fixed integrally.

Preferably, the unit piece includes short board rack, power shaft and little grillage, the management and control board includes the J template of integrated into one piece of deflector and deflector one side, the J template of management and control board is fixed on the inner panel, a plurality of unit pieces encircle and establish on the deflector of management and control board, short board rack activity runs through the plate hole of seting up on the deflector of management and control board, little grillage one end is fixed on management and control board, the other end of little grillage sets up two power shafts that vertically distributes, the power shaft includes the well pole, the fixed bevel gear of section of thick bamboo gear and well pole one end that cup joints on the well pole, the meshing of bevel gear on two power shafts is connected, the section of thick bamboo gear and the meshing of short board rack on one power shaft are connected, the section of thick bamboo gear and the meshing of outer ring gear on another power shaft are connected, the well pole activity cup joint on the grillage of power shaft is in the through-hole of seting up on little grillage, the outside short board rack one end and the perpendicular fixed connection of extrusion pole.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention can not only treat the rainwater retained on the terminal instrument, but also take away the dust on the surface of the terminal instrument in the wiping process of the sponge piece to play a role in cleaning the dust, and in addition, the sponge column drains water at the bottommost part of the protection box, so that the sponge column can be continuously put into the next use, and the whole process drives the source to be a single motor, thereby realizing the mechanical automatic multi-control effect of the sponge piece and the dust cover.

2. Through the design of the brake body, after the sponge post falls to the protection box bottom, the main gear breaks away from the rack part on the brake body earlier, and the Z-shaped folding column of the brake body intercepts back pressure second push rod afterwards, and the sponge post receives a plurality of extrusion bars oppression under the static state like this, guarantees that sponge post pressurized drainage job stabilization goes on.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic view of the sponge position.

Fig. 4 is a schematic view of the dust-proof dome.

Fig. 5 is a schematic view of the dust cap position.

Fig. 6 is a schematic structural view of the sponge.

Fig. 7 is a schematic view of the structure of the external control frame.

Fig. 8 is a schematic diagram of an end control frame structure.

Fig. 9 is a schematic view of a driving member structure.

Fig. 10 is a schematic view of a half cage structure.

Fig. 11 is a schematic view of a brake body structure.

Fig. 12 is a schematic diagram of a single element structure.

Fig. 13 is a schematic view of a control board structure.

Fig. 14 is a schematic diagram of a sponge column structure.

In the figure: the protection box 1, the screw rod 2, the motor 3, the terminal instrument 4, the brake column 5, the steering plate 6, the box cover 7, the sponge 8, the dust cover 9, the dust-proof round cover 10, the end control frame 11, the sponge column 12, the outer control frame 13, the brake body 14, the positioning block 15, the outer shaft 16, the dust-proof arc plate 17, the concave limiting folding column 18, the first metal elastic sheet 19, the first push rod 20, the outer control body 21, the driving piece 22, the inner plate 23, the thick shaft 24, the main gear 25, the half cover frame 26, the positioning clip 27, the second metal elastic sheet 28, the second push rod 29, the outer gear 30, the single element 31, the extrusion rod 32, the T-shaped body 33, the control plate 34, the short plate rack 35, the power shaft 36 and the small plate frame 37.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. Based on the technical solutions of the present invention, all other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.

Referring to fig. 1 to 14, the present invention provides a technical solution: the intelligent building visual visitor intercom terminal comprises a protection box 1, wherein a screw rod 2, a motor 3, a terminal instrument 4 and a brake column 5 are arranged in the protection box 1, one end of the screw rod 2 is connected with the motor 3, the other end of the screw rod 2 is provided with the terminal instrument 4, the screw rod 2 penetrates through a threaded hole formed in one end of the brake column 5, the other end of the brake column 5 is connected with a box cover 7, a direction control plate 6 is fixed inside the protection box 1 at two sides of the brake column 5, the protection box 1 is a rectangular box with one side open, the opening of the protection box 1 is blocked by the box cover 7, half of the opening of the protection box 1 is covered by the box cover 7, the box cover 7 comprises a U-shaped plate, a long plate integrally connected above the U-shaped plate and a short plate integrally connected below the U-shaped plate, a sponge piece 8 is arranged in the U-shaped plate of the box cover 7, the surface of the terminal instrument 4 is cleaned in the moving process of the sponge piece 8, the dust cover 9 is arranged at the bottom of the box cover 7, referring to fig. 1 and 2, it is understood that a button in the prior art is arranged on a shell of the protection box 1 at one side of the motor 3, when in use, the button is pressed, the motor 3 is controlled to work, the motor 3 is controlled to rotate the screw rod 2, and then the brake column 5 is controlled to move, the brake column 5 drives the box cover 7, when the intercom terminal is not in use, the box cover 7 covers the terminal instrument 4, after the motor 3 works, the box cover 7 moves to completely expose the terminal instrument 4, the sponge piece 8 rises to wipe the surface of the terminal instrument 4 in the process, if rainwater falls on the terminal instrument 4, the button is pressed again after the intercom terminal is used, the box cover 7 drives the sponge piece 8 to fall, the sponge piece 8 absorbs water on the terminal instrument 4 in the process, and when the sponge piece 8 is wiped the terminal instrument 4, and when the box cover 7 falls to the bottom of the protection box 1, the box cover 7 rises a small distance again, and then returns to the initial point, compared with the falling of the box cover 7, the box cover 7 starts to rise, the distance is used for draining the sponge piece 8, and the motor 3 in the prior art is used for accurately controlling the movement process of the box cover 7.

Both end positions of the sponge 8 are covered with dustproof round covers 10, the dustproof round covers 10 fix the end positions of the U-shaped plates of the box cover 7, the box cover 7 falls to the bottom to cover the terminal instrument 4 in the protection box 1, and the box cover 7 rises to the top to expose the terminal instrument 4 in the protection box 1.

The sponge 8 comprises an end control frame 11, a sponge column 12, an outer control frame 13 and a brake body 14, wherein the end control frame 11 is arranged at two ends of the sponge column 12, the outer control frame 13 and the brake body 14 are arranged on one side, facing away from the sponge column 12, of the end control frame 11, the end control frame 11 is in transmission connection with the brake body 14, the brake body 14 comprises a straight rack, a Z-shaped folding column integrally arranged at one end of the straight rack, and a plurality of J-shaped plates arranged at one side of the straight rack, the J-shaped plates on the brake body 14 are fixed on the protection box 1, a hole for the axial movement of the straight rack of the brake body 14 is formed in the dustproof round cover 10, a Z-shaped folding plate for the brake body 14 is formed in a shell at one side of the dustproof round cover 10, the brake body 14 is fixed at the lower half position of the side of the protection box 1, and the Z-shaped folding column on the brake body 14 triggers the end control frame 11 and the outer control frame 13 to deform respectively when the end control frame 11 moves to the bottommost position of the protection box 1 along with the box cover 7.

The shield 9 includes locating piece 15, outer axle 16 and dustproof arc board 17, the arc board hole of seting up of U template one side that dustproof arc board 17 runs through lid 7, the outer cambered surface both sides of dustproof arc board 17 all set up one row of arc arrangement tooth near the bottom surface position, the both sides of dustproof arc board 17 all are provided with locating piece 15, all run through outer axle 16 on every locating piece 15, outer axle 16 includes the gear that round bar and round bar both ends all are fixed, the one end gear and the dustproof arc board 17 meshing of outer axle 16 are connected, the other end gear and the outer accuse frame 13 transmission of outer axle 16 are connected, the body of rod activity of outer axle 16 runs through the through-hole of seting up on the shield 10 casing.

The outer accuse frame 13 includes the spacing post 18 of rolling over of concave type, first metal shrapnel 19, first push rod 20 and outer accuse body 21, outer accuse body 21 includes the L template of the outer rack of arc and the integrative connection in arc external tooth bar one side, the through-hole has been seted up to the L template department of buckling of outer accuse body 21, and the activity cup joints the one end of the spacing post 18 of rolling over of concave type in the through-hole, and the other end and the end accuse frame 11 of the spacing post 18 of rolling over of concave type are connected, first metal shrapnel 19 includes the L template of C type piece one end body coupling, the one end of first metal shrapnel 19 is fixed on the spacing post 18 of rolling over of concave type, the other end jack-prop outer accuse body 21's L template, the outer rack of arc of outer accuse body 21 and outer axle 16 meshing transmission are connected.

The end control frame 11 comprises a driving piece 22, an inner plate 23, a thick shaft 24, a main gear 25 and a half cover frame 26, one end of the thick shaft 24 is fixed at the middle position of the bottom surface of the sponge column 12, the inner plate 23 is arranged at two ends of the sponge column 12, one end of the inner plate 23 is integrally connected with the box cover 7, one side of the inner plate 23 is provided with the driving piece 22, the other side of the inner plate 23 is provided with the half cover frame 26, the inner plate 23 is connected with the half cover frame 26, the sponge column 12 is covered by the half cover frames 26 at two sides in a matched manner, the thick shaft 24 is movably sleeved in a through hole formed in the inner plate 23, the other end of the thick shaft 24 is fixedly provided with the main gear 25, the main gear 25 is in meshed connection with the brake body 14, as understood by referring to fig. 1, 8 and 11, the box cover 7 is driven to fall to the bottom of the protection box 1, the main gear 25 is separated from a rack part on the brake body 14, the sponge column 12 is not rotated any more, then the Z-shaped folded column of the brake body 14 triggers the driving piece 22 to deform, and the half cover frame 26 is ensured to compress the sponge column 12.

The driving piece 22 includes locating clip 27, second metal shell fragment 28 and second push rod 29, second metal shell fragment 28 includes the straight piece of C type piece and C type piece one end body coupling, the C type piece other end of second metal shell fragment 28 is fixed on locating clip 27, locating clip 27 is fixed on inner panel 23, one side of second push rod 29 and the straight piece contact of second metal shell fragment 28, the arc plate hole of seting up on the second push rod 29 runs through inner panel 23, and second push rod 29 one end and half cover frame 26 are connected, the opposite side of second push rod 29 is facing the Z type of brake body 14 and is folded the post.

The half-cover frame 26 comprises an outer gear ring 30, a single element 31, extrusion rods 32, a T-shaped body 33 and a control plate 34, wherein a plurality of uniformly distributed single elements 31 are annularly arranged on the control plate 34, the outer gear ring 30 is arranged on one side of the control plate 34 facing the main gear 25, two symmetrically distributed T-shaped bodies 33 are arranged in the outer gear ring 30, each T-shaped body 33 comprises an arc-shaped outer groove rail body and a cross column connected with the middle part of the inner side of the rail body, one end of each cross column of each T-shaped body 33 is fixed on the inner plate 23, the outer gear ring 30 is movably lapped on the arc-shaped outer groove of each T-shaped body 33, the extrusion rods 32 are in transmission connection with the outer gear ring 30, one end of each second push rod 29 is fixed on the outer gear ring 30, one end of each extrusion rod 32 is connected with the single element 31, a plurality of extrusion rods 32 are uniformly annularly arranged on the outer side of each sponge column 12, and the two half-cover frames 26 outside the sponge columns 12 are fastened in a buckling manner, and the fixing positions are two sponge columns 12 are fixed integrally.

The single element 31 comprises a short plate rack 35, a power shaft 36 and a small plate frame 37, the control plate 34 comprises a ring plate and a J-shaped plate integrally connected with one side of the ring plate, the J-shaped plate of the control plate 34 is fixed on the inner plate 23, a plurality of single elements 31 are annularly arranged on the ring plate of the control plate 34, the short plate rack 35 movably penetrates through a plate hole formed in the ring plate of the control plate 34, one end of the small plate frame 37 is fixed on the control plate 34, two vertically distributed power shafts 36 are arranged at the other end of the small plate frame 37, the power shaft 36 comprises a middle rod, a sleeve gear sleeved on the middle rod is in meshed connection with a bevel gear fixed at one end of the middle rod, the bevel gears on the two power shafts 36 are in meshed connection, the sleeve gear on one power shaft 36 is in meshed connection with the short plate rack 35, the middle rod on the power shaft 36 is movably sleeved in a through hole formed in the small plate frame 37, and one end of the short plate rack 35 outside the ring plate of the control plate 34 is in vertical fixed connection with the extrusion rod 32.

The box cover 7 moves to drive the inner plate 23, the inner plate 23 drives the thick shaft 24, the thick shaft 24 drives the sponge column 12 to move, simultaneously, the thick shaft 24 drives the main gear 25, the main gear 25 is connected with the brake body 14 in a meshed manner, thus, the main gear 25 rotates, the rotation of the sponge column 12 is caused, the sponge column 12 continuously rotates in the moving process, one side of the sponge column 12 contacts with the terminal instrument 4, the surface wiping work of the terminal instrument 4 is completed, when the sponge piece 8 falls to the bottommost part of the protection box 1, the compression drainage work of the sponge column 12 is completed, if water is adsorbed on the sponge column 12, the water is directly extruded from the sponge column 12, particularly, the driving piece 22 falls along with the falling, when the Z-shaped folding column on the brake body 14 encounters the second push rod 29, the second push rod 29 is intercepted by the brake body 14, the second push rod 29 swings to drive the outer gear ring gear 30, the outer gear 30 drives all single elements 31 to deform, the movement of the main gear 25 is caused by the transmission of the two power shafts 36, the axle center of the main gear 25 moves close to the outer ring gear 30, the short plate rack 35 drives the extrusion rod 32, thus all the extrusion rod 32 falls to the bottommost bottom part of the protection box 1, the compression drainage work of the sponge column 12 is completed, if the sponge column 12 is extruded by the compression plate hole 17, the compression plate hole 17 is formed by the compression plate hole 17, the outer plate 17 moves out of the arc-shaped dust-proof plate 17, the arc-shaped dust-proof plate 17 moves out of the outer shaft 17, and the arc-shaped dust-proof plate 17 is formed by the arc-shaped plate 17, and the arc-shaped dust-proof plate 17 moves out, and the arc-shaped plate 17, the dust-proof plate 17 moves out and the compression plate 17, and the compression plate 17.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a visual visitor terminal of talkbacking of intelligent building, includes protection box (1), be provided with lead screw (2), motor (3), terminal instrument (4) and brake column (5) in protection box (1), the one end of lead screw (2) is connected with motor (3), and the other end of lead screw (2) is provided with terminal instrument (4), the screw hole of seting up of brake column (5) one end is run through to lead screw (2), and the other end of brake column (5) is connected with lid (7), and protection box (1) inside of brake column (5) both sides all is fixed with accuse to board (6), its characterized in that: the protection box (1) is a rectangular box shape with one side open, a box cover (7) is blocked at the opening part of the protection box (1), and half of the opening of the protection box (1) is covered by the box cover (7), the box cover (7) comprises a U-shaped plate, a long plate integrally connected with the upper part of the U-shaped plate and a short plate integrally connected with the lower part of the U-shaped plate, a sponge piece (8) is arranged in the U-shaped plate of the box cover (7), the surface of a terminal instrument (4) is cleaned in the moving process of the sponge piece (8), and a dust cover (9) is arranged at the bottom of the box cover (7).

2. An intelligent building visual guest intercom terminal as in claim 1 wherein: both ends of the sponge piece (8) are covered with dustproof round covers (10), the dustproof round covers (10) fix the two ends of the U-shaped plate of the box cover (7), the box cover (7) falls to the terminal instrument (4) in the bottom cover protection box (1), and the box cover (7) rises to the top to expose the terminal instrument (4) in the protection box (1).

3. An intelligent building visual guest intercom terminal as in claim 2 wherein: sponge spare (8) are including end accuse frame (11), sponge post (12), outer accuse frame (13) and brake body (14), the both ends position of sponge post (12) all is provided with end accuse frame (11), one side of end accuse frame (11) back to sponge post (12) is provided with outer accuse frame (13) and brake body (14), end accuse frame (11) and brake body (14) transmission are connected, brake body (14) are including straight rack, Z that straight rack one end set up an organic whole rolls over post and a plurality of J template that straight rack one side set up, J template on brake body (14) is fixed on protection box (1), offer the hole that supplies the straight rack axial displacement of brake body (14) on dustproof dome (10), and offer the hole that supplies the Z type folded plate of brake body (14) to pass through on the one side casing of dustproof dome (10), brake body (14) are fixed in the side hypomere position of protection box (1), end accuse frame (11) are followed lid (7) and are moved to the bottom of protection box (1) and are rolled over on the support (13) of the end of controlling the brake respectively.

4. An intelligent building visual guest intercom terminal as in claim 3 wherein: the dustproof cover (9) comprises positioning blocks (15), an outer shaft (16) and dustproof arc plates (17), wherein the dustproof arc plates (17) penetrate through arc plate holes formed in one side of a U-shaped plate of the box cover (7), a row of arc arrangement teeth are arranged on two sides of an outer arc surface of each dustproof arc plate (17) close to the bottom surface, positioning blocks (15) are arranged on two sides of each dustproof arc plate (17), an outer shaft (16) penetrates through each positioning block (15), each outer shaft (16) comprises a round rod and gears fixed at two ends of the round rod, one end gear of each outer shaft (16) is connected with the corresponding dustproof arc plate (17) in a meshed mode, the other end gear of each outer shaft (16) is connected with an outer control frame (13) in a transmission mode, and a rod body of each outer shaft (16) penetrates through a through hole formed in a shell of the dustproof round cover (10).

5. An intelligent building visual guest intercom terminal as in claim 4 wherein: the outer accuse frame (13) is including spacing book post (18) of concave type, first metal shrapnel (19), first push rod (20) and outer accuse body (21), outer accuse body (21) are including the L template of the outer rack of arc and the integrative connection in arc external tooth strip one side, the through-hole has been seted up to the L template department of buckling of outer accuse body (21), and the one end of the spacing book post (18) of concave type is cup jointed in the activity in the through-hole, and the other end and the end accuse frame (11) of the spacing book post (18) of concave type are connected, first metal shrapnel (19) include C type piece and C type piece one end body coupling's L template, the one end of first metal shrapnel (19) is fixed on the spacing book post (18) of concave type, the other end jack-prop the L template of outer accuse body (21), the outer rack of arc of outer accuse body (21) is connected with outer axle (16) meshing transmission.

6. The intelligent building visual guest intercom terminal according to claim 5, wherein: the end control frame (11) comprises a driving piece (22), an inner plate (23), a thick shaft (24), a main gear (25) and a half cover frame (26), one end of the thick shaft (24) is fixed at the middle position of the bottom surface of the sponge column (12), the two ends of the sponge column (12) are respectively provided with the inner plate (23), one end of the inner plate (23) is integrally connected with the box cover (7), one side of the inner plate (23) is provided with the driving piece (22), the other side of the inner plate (23) is provided with the half cover frame (26), the inner plate (23) is connected with the half cover frame (26), the sponge column (12) is covered by the half cover frames (26) on the two sides in a matched mode, the thick shaft (24) is movably sleeved in a through hole formed in the inner plate (23), the other end of the thick shaft (24) is fixedly provided with the main gear (25), and the main gear (25) is in meshed connection with the brake body (14).

7. The intelligent building visual guest intercom terminal of claim 6, wherein: the driving piece (22) comprises a locating clip (27), a second metal elastic piece (28) and a second push rod (29), the second metal elastic piece (28) comprises a C-shaped piece and a straight piece integrally connected with one end of the C-shaped piece, the other end of the C-shaped piece of the second metal elastic piece (28) is fixed on the locating clip (27), the locating clip (27) is fixed on the inner plate (23), one side of the second push rod (29) is contacted with the straight piece of the second metal elastic piece (28), the second push rod (29) penetrates through an arc-shaped plate hole formed in the inner plate (23), one end of the second push rod (29) is connected with the half cover frame (26), and the other side of the second push rod (29) faces the Z-shaped folding column of the brake body (14).

8. The intelligent building visual guest intercom terminal of claim 7, wherein: the semi-cover frame (26) comprises an outer gear ring (30), a single element (31), an extrusion rod (32), a T-shaped body (33) and a control plate (34), wherein a plurality of uniformly distributed single elements (31) are arranged on the control plate (34) in a surrounding mode, the outer gear ring (30) is arranged on one side, facing to a main gear (25), of the control plate (34), two symmetrically distributed T-shaped bodies (33) are arranged inside the outer gear ring (30), the T-shaped bodies (33) comprise arc-shaped outer groove rail bodies and cross columns connected with the middle parts of the inner sides of the rail bodies, one ends of the cross columns of the T-shaped bodies (33) are fixed on the inner plates (23), the outer gear ring (30) is movably arranged on the arc-shaped outer grooves of the T-shaped bodies (32), one ends of the extrusion rod (32) are connected with the outer gear ring (30) in a transmission mode, one ends of the second push rods (29) are fixed on the outer gear ring (30), one ends of the extrusion rod (32) are connected with the single element (31), a plurality of rods (32) are uniformly arranged on the outer sides of the sponge columns (12) in a surrounding mode, two half-cover frames (26) outside the columns (12) are fixed integrally, and two sponge columns (12) are fixed.

9. The intelligent building visual guest intercom terminal of claim 8, wherein: the utility model provides a single component (31) including short board rack (35), power shaft (36) and little grillage (37), management and control board (34) are including the J template of annular plate and annular plate one side body coupling, the J template of management and control board (34) is fixed on inner panel (23), a plurality of single component (31) encircle and establish on the annular plate of management and control board (34), the plate hole of seting up on short board rack (35) movable through management and control board (34) annular plate, little grillage (37) one end is fixed on management and control board (34), the other end of little grillage (37) sets up two power shafts (36) of vertical distribution, power shaft (36) are including the center pin, the bevel gear of cup jointing on the center pin and the bevel gear of center pin one end fixing, the bevel gear of two power shafts (36) is connected in the meshing, the barrel gear of one power shaft (36) is connected with the annular plate of short board rack (35), the barrel gear of another power shaft (36) is connected with the outer ring gear (30) meshing, center pin movable on the center pin (36) is seted up in the annular plate (37) and is connected with outside in the perpendicular extrusion plate (32).