CN113280437A

CN113280437A - Building ventilation case

Info

Publication number: CN113280437A
Application number: CN202110653617.3A
Authority: CN
Inventors: 王益鹤; 赵萌; 刘振; 刘印桢
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-08-20
Anticipated expiration: 2041-06-11
Also published as: CN113280437B

Abstract

The invention discloses a building ventilation box in the technical field of building ventilation equipment, which comprises a ventilation box and a ventilation pipeline, wherein the ventilation pipeline is arranged on the surface of the ventilation box, one end of the ventilation pipeline is fixedly connected with a foreign matter entering prevention pipeline, the other end of the foreign matter entering prevention pipeline is fixedly connected with an air inlet, and a filter screen is arranged in the air inlet: the invention can automatically eradicate dust and impurities adhered to the inner wall of the ventilation pipeline after long-time use, conveniently clean the eradicated garbage, simultaneously collect the dust and impurities mixed in water vapor in the air, discharge the dust and impurities out of the ventilation pipeline, avoid the damage caused by the water vapor mixed by a large amount of dust and impurities entering the inside of the ventilation box, reduce the service life of the ventilation box, and prevent small pets from damaging equipment caused by the water vapor entering the inside of the ventilation box through the ventilation pipeline.

Description

Building ventilation case

Technical Field

The invention relates to the technical field of building ventilation equipment, in particular to a building ventilation box.

Background

The building ventilation is divided into natural ventilation and mechanical ventilation, which means that dirty air in a building is directly or after being purified and discharged to the outside, and fresh air is supplemented, so that the indoor air environment is kept in accordance with the sanitary standard.

Through the retrieval, chinese patent No. CN201810739315.6 discloses an indoor breather for building, including the ceiling, there is the support bottom of ceiling through bolt fixed mounting, the bottom fixed mounting of support has the breather box, the left side fixed mounting of breather box has the ventilation fan, the air intake intercommunication of ventilation fan has the aspiration channel, the bottom fixed mounting of breather box inner wall has filter equipment, the bottom intercommunication of breather box is provided with the ventilation otter board, the air outlet of ventilation fan and filter equipment are through going out tuber pipe and filter equipment intercommunication, the top fixed mounting of breather box inner wall has purification fan, purification fan's air intake intercommunication has air-supply line … …

The main technical problem solved by the above device is that the indoor ventilation device for building can extract indoor air into the interior of the purification box by arranging the purification device, after the purification fan is started, firstly, the HEPA filter screen plate can effectively filter smoke, dust and bacteria in the indoor air, the chemical catalyst active component on the photocatalyst reaction plate generates positive and negative electronic charges under the irradiation environment of ultraviolet light, and the air is decomposed into hydroxyl ions, so that the decomposition and reduction effect is generated, and the formaldehyde is decomposed into pollution-free water and carbon dioxide, which is beneficial to accelerating the efficiency of formaldehyde purification, and simultaneously, the formaldehyde is purified more thoroughly, but in the practical application, the ventilation box sucks the indoor air into the purification process, the air contains a large amount of impurities such as dust, hair and cotton wool, although the filter screen is arranged in the ventilation box for filtering, but the dust can the adhesion cause the jam in air pipe at the runner in-process, lead to the maintenance cost high and the inconvenient clearance of personnel, simultaneously the humid air is too big in the air, it gets into the ventilation duct inside to make the dust in the air mix the vapor easily, long-time use causes harm to the life of ventilation duct easily, air pipe is kept apart the entrance through simple filter screen baffle for the most part simultaneously, but the small-size pet that personnel raised in life and well building destroys easily and get into inside the ventilation duct through filter screen baffle, cause danger and produce the influence to equipment normal operating, for this reason, we propose a building ventilation air-changing box.

Disclosure of Invention

The present invention is directed to a ventilation box for buildings to solve the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a building ventilation case, includes air-changing box and air pipe, the surface mounting of air-changing box has air pipe, air pipe's one end fixedly connected with prevents the foreign matter and gets into the pipeline, prevent the other end fixedly connected with air intake that the foreign matter got into the pipeline, and the internally mounted of air intake has the filter screen, air pipe's top surface fixedly connected with protective housing, the inside fixedly connected with motor of protective housing, the internally mounted of motor has the axis of rotation, air pipe's top surface is located the inside of protective housing and has seted up the hole and install the mount pad in the hole, the internally mounted of going up the mount pad has the lead screw, the one end of lead screw is installed in the mount pad down and the other end of lead screw rotates with the axis of rotation to be connected, the mount pad is installed perpendicularly on the air pipe inner wall of last mount pad below down, the surface cover of lead screw has the slip table, the surface mounting of slip table has the clearance shovel.

Preferably, prevent that foreign matter admission line sets up to two-way hourglass hopper-shaped, the filter screen includes but not limited to tectorial membrane polyester non-woven fabrics, tectorial membrane antistatic non-woven fabrics, synthetic fiber filter media, glass fiber filter media, activated carbon filter media, cotton fiber, long fiber filter felt, materials such as the cotton of expanding glue are made.

Preferably, the inside of slip table is provided with the screw hole and the lead screw is inserted and is established in the inside screw hole that sets up of slip table, the fixed surface of clearance shovel is connected with the fixed block, the inside of fixed block is inserted and is equipped with the installation screw, the fixed block runs through the installation screw and inserts and establish inside the slip table, the clearance shovel sets up to rectangle structure and size of a dimension and air pipe's internal diameter size looks adaptation.

Preferably, the side surface of air pipe is provided with opening and opening both sides and all installs first articulated piece, the inside of first articulated piece is inserted and is equipped with first articulated rod, the first sealing door of fixed surface of first articulated rod is connected with, first sealing door is sealed to be connected with towards the fixed surface of air pipe one side and is sealed the pad.

Preferably, the top surface of air pipe is provided with opening and the articulated piece of opening one side installation second, the inside of the articulated piece of second is inserted and is equipped with the second articulated shaft, the fixed surface of second articulated shaft is connected with the second sealing door, the surface of second sealing door is provided with the mounting hole, fixedly connected with firing equipment in the mounting hole that the second sealing door surface set up, the second sealing door is sealed towards one side fixed surface of air pipe and is connected with sealed the pad.

Preferably, the inside below fixedly connected with sealing baffle who is located the second sealing door of air pipe, sealing baffle's surface is provided with circular hole, the ultraviolet ray disinfection equipment of fixedly connected with size of a dimension looks adaptation in the circular hole that sealing baffle's surface set up.

Preferably, the surface of the sealing partition plate is located below the heating device and is fixedly connected with an external water funnel, the bottom end surface of the external water funnel is fixedly connected with an outer sleeve, the bottom end surface of the external water funnel is located in an inner sleeve fixedly connected with the outer sleeve, and the outer sleeve and the inner sleeve are provided with circular holes on one side surface facing the ventilation box.

Preferably, the inside fixedly connected with breather pipe of circular trompil that outer tube and interior sleeve pipe surface set up, the breather pipe sets up to L type structure, the one end of breather pipe is installed in the ventilation box and the other end is inserted and is established inside the sleeve pipe, the other end of breather pipe is inside towards external water funnel, the other end fixedly connected with inscription water funnel of breather pipe.

Preferably, external water funnel and internal water funnel all set up to leak hopper-shaped, leave the internal diameter interval size that gap and gap size of a dimension between external water funnel and the internal water funnel equals interior sheathed tube external diameter and outer tube, outer tube and interior sheathed tube other end all run through air pipe and expose externally, the kneck of outer tube, interior sleeve pipe and breather pipe is provided with the sealing ring.

Preferably, a garbage collection tray is installed on the outer side of the lower installation seat, and the size of the garbage collection tray is matched with the size of the inner diameter of the ventilation pipeline.

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

1. according to the invention, the motor is arranged on the top end surface of the ventilating duct, the rotating shaft is connected with the screw rod to rotate through the operation of the motor, and the sliding table is further driven to slide up and down on the surface of the screw rod, so that impurities such as dust and the like adhered to the inner wall of the ventilating duct can be removed and fall into the garbage collection disc to be collected in the process that the cleaning shovel arranged on the surface of the sliding table slides down along the inner wall of the ventilating duct, the internal blockage of the ventilating duct in long-time use is avoided, the working efficiency is improved without manual cleaning, the labor intensity is reduced, and the service life of equipment is prolonged;

2. according to the ventilating duct, the sealing partition plate is arranged in the ventilating duct, and the external water receiving funnel, the outer sleeve, the inner sleeve, the internal water receiving funnel and the ventilating pipe are arranged in the sealing partition plate, so that air in the ventilating duct can be heated when the heating equipment runs, water in the air forms condensate water on the surfaces of the external water receiving funnel and the internal water receiving funnel, dust impurities mixed with water vapor in the air are further adhered to the inner wall of the external water receiving funnel and the surface of the internal water receiving funnel, and then the condensate water flows out of the ventilating duct through the outer sleeve and the inner sleeve, and therefore the phenomenon that a large amount of dust impurities are mixed with the water vapor and enter the inside of the ventilating box to cause damage is avoided, and the service life of the ventilating box is shortened;

3. according to the invention, the double-funnel-shaped foreign matter entering prevention pipeline is arranged, so that the whole inner diameter of the middle position is smaller, small pets cannot pass through the double-funnel-shaped foreign matter entering prevention pipeline, and even if the filter screen is damaged, the small pets cannot enter the inside of the ventilation box through the ventilation pipeline, so that danger and damage to equipment are avoided;

4. according to the invention, the ultraviolet disinfection equipment is arranged on the surface of the sealing partition plate, and the air in the ventilation pipeline and the condensed water adhered to the inner wall of the external water funnel can be disinfected by the operation of the ultraviolet disinfection equipment, so that the discharge safety of the equipment is improved.

Drawings

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

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional view taken along the line A-A of FIG. 2 according to the present invention;

FIG. 4 is an exploded view of a portion of the structure of the present invention;

FIG. 5 is a schematic view of the structure of the sealing partition plate and the external water funnel of the present invention;

FIG. 6 is a schematic view of the structure of a screw and a sliding table according to the present invention;

FIG. 7 is a schematic view of a sliding table and a fixing block according to the present invention;

FIG. 8 is a schematic cross-sectional view of the structure of a cleaning blade of the present invention;

FIG. 9 is a schematic sectional view of the structure of the air inlet and the pipeline for preventing foreign matters from entering the invention;

FIG. 10 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1. a ventilation box; 2. a ventilation duct; 3. preventing foreign matters from entering the pipeline; 4. an air inlet; 5. filtering with a screen; 6. a protective shell; 7. a motor; 8. a rotating shaft; 9. an upper mounting seat; 10. a lead screw; 11. a lower mounting seat; 12. a sliding table; 13. cleaning a shovel; 14. a fixed block; 15. mounting screws; 16. a first hinge block; 17. a first hinge lever; 18. a first sealing door; 19. a second hinge block; 20. a second hinge shaft; 21. a second sealing door; 22. a heating device; 23. sealing the partition plate; 24. ultraviolet ray disinfection equipment; 25. the external connection water funnel; 26. an outer sleeve; 27. an inner sleeve; 28. an internal water funnel; 29. a breather pipe; 30. a garbage collection tray.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-10, the present invention provides a technical solution:

a building ventilation box comprises a ventilation box 1 and a ventilation pipe 2, wherein the surface of the ventilation box 1 is provided with the ventilation pipe 2, one end of the ventilation pipe 2 is fixedly connected with a foreign matter entering prevention pipeline 3, the other end of the foreign matter entering prevention pipeline 3 is fixedly connected with an air inlet 4, a filter screen 5 is arranged inside the air inlet 4, air in a building room is sucked from the air inlet 4 after the ventilation box 1 runs and is filtered by the filter screen 5 for one time, the air is transmitted into the ventilation box 1 through the ventilation pipe 2 to be purified and then discharged, the top end surface of the ventilation pipe 2 is fixedly connected with a protective shell 6, a motor 7 is fixedly connected inside the protective shell 6, the outer side of the motor 7 is protected through the protective shell 6, a rotating shaft 8 is arranged inside the motor 7, the top end surface of the ventilation pipe 2 is arranged inside the protective shell 6 and is provided with a hole, and an upper mounting seat 9 is arranged in the hole, go up the internally mounted of mount pad 9 and have lead screw 10, the one end of lead screw 10 is installed and is connected in mount pad 11 down and the other end and the axis of rotation 8 of lead screw 10 rotate, it is connecting lead screw 10 at last mount pad 9 internal rotation to move drive axis of rotation 8 through motor 7, further make lead screw 10 can rotate at slip table 12, mount pad 11 installs perpendicularly down on 2 inner walls of air pipe of last mount pad 9 below, the surface cover of lead screw 10 has slip table 12, the surface mounting of slip table 12 has clearance shovel 13, can drive slip table 12 and slide from top to bottom in 2 insides of air pipe when lead screw 10 rotates the in-process in 12 insides of slip table, carry out the shovel to the dust impurity of adhesion on 2 inner walls of air pipe.

Example two

On the basis of the first embodiment, the invention provides a technical scheme that:

a building ventilation box comprises a ventilation box 1 and a ventilation pipeline 2, a foreign matter entering prevention pipeline 3 is arranged into a bidirectional funnel shape, a filter screen 5 comprises but is not limited to a film-coated polyester non-woven fabric, a film-coated anti-static non-woven fabric, a synthetic fiber filter material, a glass fiber filter material, an activated carbon filter material, cotton fibers, a long fiber filter felt, a pentosan cotton and other materials, the filter screen is arranged into a double funnel shape through the foreign matter entering prevention pipeline 3, the whole inner diameter of the middle position is smaller, small pets cannot pass through the filter screen, even if the filter screen 5 is damaged, the small pets cannot enter the ventilation box 1 through the ventilation pipeline 2, danger is avoided, damage to equipment is avoided, the filter screen 5 can filter air entering the ventilation pipeline 2 for the first time, and the filtering effect is improved;

the inside of the sliding table 12 is provided with a threaded hole, the screw rod 10 is inserted into the threaded hole arranged inside the sliding table 12, the surface of the cleaning shovel 13 is fixedly connected with a fixed block 14, a mounting screw 15 is inserted into the fixed block 14, the fixed block 14 penetrates through the mounting screw 15 and is inserted into the sliding table 12, the cleaning shovel 13 is arranged in a rectangular structure, the size of the cleaning shovel is matched with the size of the inner diameter of the ventilation pipeline 2, the sliding table 12 can slide in the ventilation pipeline 2 under the limiting action of the ventilation pipeline 2 through the rotation of the screw rod 10 controlled by the motor 7, the sliding direction of the sliding table 12 is further adjusted through the rotation direction of the screw rod 10, so that in the sliding process of the sliding table 12 in the ventilation pipeline 2, the sliding table 12 is connected with the cleaning shovel 13 to slide on the surface of the inner wall of the ventilation pipeline 2, and dust and impurities adhered to the inner wall of the ventilation pipeline 2 are shoveled down, and falls into the garbage collection tray 30 to be collected;

an opening is formed in the side edge surface of the ventilation pipeline 2, first hinge blocks 16 are installed on two sides of the opening, a first hinge rod 17 is inserted into the first hinge block 16, a first sealing door 18 is fixedly connected to the surface of the first hinge rod 17, a sealing gasket is fixedly connected to the surface of one side, facing the ventilation pipeline 2, of the first sealing door 18, and when the cleaning shovel 13 shovels dust impurities adhered to the inner wall of the ventilation pipeline 2 down to fall into the garbage collection tray 30, the dust impurities in the garbage collection tray 30 can be cleaned through opening of the first sealing door 18;

the top end surface of the ventilation pipeline 2 is provided with an opening, a second hinge block 19 is installed on one side of the opening, a second hinge shaft 20 is inserted into the second hinge block 19, the surface of the second hinge shaft 20 is fixedly connected with a second sealing door 21, the surface of the second sealing door 21 is provided with a mounting hole, heating equipment 22 is fixedly connected into the mounting hole formed in the surface of the second sealing door 21, a sealing gasket is fixedly connected to the surface of one side, facing the ventilation pipeline 2, of the second sealing door 21, the air in the ventilation pipeline 2 can be heated through the installation of the heating equipment 22, the second sealing door 21 can be conveniently opened in the installation, and the sealing partition plate 23, the ultraviolet disinfection equipment 24, the external water funnel 25 and other structures installed on the inner wall of the ventilation pipeline 2 are cleaned;

inside the air pipe 2 that is located the below fixedly connected with seal spacer 23 of second sealing door 21, the surface of seal spacer 23 is provided with circular hole, fixedly connected with size looks adaptation's ultraviolet ray disinfection equipment 24 in the circular hole that seal spacer 23 set up on the surface, keep apart through seal spacer 23 to air pipe 2 inside, make the air only can get into the ventilation box 1 through external water funnel 25, make heating equipment 22 can heat the air inside air pipe 2 when moving, make the moisture in the air form the comdenstion water on the surface of external water funnel 25 and internal water funnel 28, further make the dust impurity adhesion of the water mixing in the air on the inner wall of external water funnel 25 and the surface of internal water funnel 28, rethread outer tube 26 and interior sleeve 27 flow out in air pipe 2, avoid a large amount of dust impurity to mix the inside damage that causes of steam entering ventilation box 1, the service life of the air exchange box 1 is shortened, and meanwhile, the ultraviolet disinfection equipment 24 can be operated to disinfect the air in the ventilation pipeline 2 and the condensed water adhered to the inner wall of the external water funnel 25;

an external water funnel 25 is fixedly connected to the surface of the sealing partition plate 23 below the heating device 22, an outer sleeve 26 is fixedly connected to the bottom end surface of the external water funnel 25, an inner sleeve 27 is fixedly connected to the bottom end surface of the external water funnel 25 inside the outer sleeve 26, circular openings are formed in the outer sleeve 26 and the inner sleeve 27 on the surface of one side facing the air exchange box 1, and sewage condensed on the surfaces of the external water funnel 25 and the outer sleeve 26 can be discharged into the air pipe 2 through the outer sleeve 26 and the inner sleeve 27;

the air ventilation device comprises an outer sleeve 26, an inner sleeve 27, a ventilation pipe 29, an L-shaped ventilation pipe 29, an outer sleeve 27, an inner water funnel 25, an inner water funnel 28, an outer water funnel 28 and an inner water funnel 29, wherein the ventilation pipe 29 is fixedly connected inside circular holes formed in the surfaces of the outer sleeve 26 and the inner sleeve 27, one end of the ventilation pipe 29 is installed in the air exchange box 1, the other end of the ventilation pipe 29 is inserted into the inner sleeve 27, the other end of the ventilation pipe 29 faces the inside of the outer water funnel 25, the inner water funnel 28 is fixedly connected to the other end of the ventilation pipe 29, air in the ventilation pipe 2 can be conveyed into the air exchange box 1 through the ventilation pipe 29 for purification, and meanwhile, the air and sewage are separated and discharged;

the external water funnel 25 and the internal water funnel 28 are both arranged in a funnel shape, a gap is reserved between the external water funnel 25 and the internal water funnel 28, the size of the gap is equal to the size of the outer diameter of the internal sleeve 27 and the inner diameter distance of the external sleeve 26, the other ends of the external sleeve 26 and the internal sleeve 27 penetrate through the ventilation pipeline 2 and are exposed outside, a sealing ring is arranged at the interface of the external sleeve 26, the internal sleeve 27 and the ventilation pipe 29, and sewage condensed on the surfaces of the external water funnel 25 and the external sleeve 26 can be discharged out of the ventilation pipeline 2 through the external sleeve 26 and the internal sleeve 27;

the garbage collection tray 30 is installed in the outside of lower mount pad 11, and the size of dimension of garbage collection tray 30 and the internal diameter size looks adaptation of air pipe 2 can be collected the dust impurity that clearance shovel 13 was eradicated through garbage collection tray 30.

The working principle is as follows: the working flow of the invention is as follows, according to the attached figures 1-10:

the first step is as follows: air sucked into a building from the air inlet 4 enters the ventilation pipeline 2 through the operation of the ventilation box 1, then flows into the ventilation box 1 through the ventilation pipeline 2, during this process, the operation of the heating device 22 is switched on, so that the heating device 22 will operate to heat the air inside the ventilation duct 2, so that the water in the air forms condensed water on the surfaces of the external water receiving funnel 25 and the internal water receiving funnel 28, further the dust and impurities mixed with the water vapor in the air are adhered on the inner wall of the external water receiving funnel 25 and the surface of the internal water receiving funnel 28 and then flow out of the ventilation pipeline 2 through the outer sleeve 26 and the inner sleeve 27, thereby avoiding the damage caused by the water vapor entering the ventilation box 1 due to the mixing of a large amount of dust and impurities, reducing the service life of the ventilation box 1, meanwhile, the heated air flows into the ventilation box 1 through the internal water funnel 28 and the vent pipe 29 to be purified and discharged;

the second step is that: after using for a long time, it rotates to open motor 7 operation drive axis of rotation 8 and connecting lead screw 10, screw hole internal rotation through lead screw 10 at the inside setting of slip table 12, make slip table 12 can slide in 2 inside of air pipe under air pipe 2's limiting displacement, the slip direction of slip table 12 is further adjusted to the direction of rotation through motor 7 control lead screw 10, make slip table 12 at 2 inside slip in-process of air pipe, slip table 12 is connecting clearance shovel 13 and is sliding in 2 inner wall surfaces of air pipe, shovel down the dust impurity of adhesion on 2 inner walls of air pipe, and it is collected in the rubbish collection dish 30 to drop, make things convenient for personnel to clear up.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a building ventilation case, includes air-changing box (1) and air pipe (2), its characterized in that: the surface mounting of breather case (1) has air pipe (2), the one end fixedly connected with of air pipe (2) prevents that the foreign matter from getting into pipeline (3), the other end fixedly connected with air intake (4) of preventing the foreign matter from getting into pipeline (3), and the internally mounted of air intake (4) has filter screen (5), the top fixed surface of air pipe (2) is connected with protective housing (6), the internally fixed connected with motor (7) of protective housing (6), the internally mounted of motor (7) has axis of rotation (8), the top surface of air pipe (2) is located the inside of protective housing (6) and has been seted up the hole and install mount pad (9) in the hole, the internally mounted of going up mount pad (9) has lead screw (10), the one end of lead screw (10) is installed under in mount pad (11) and the other end of lead screw (10) rotates with axis of rotation (8) to be connected, install down mount pad (11) on air pipe (2) inner wall of last mount pad (9) below perpendicularly, the surface cover of lead screw (10) has slip table (12), the surface mounting of slip table (12) has clearance shovel (13).

2. A building ventilation box according to claim 1, wherein: prevent that foreign matter admission line (3) sets up to two-way hourglass hopper-shaped, filter screen (5) are including but not limited to tectorial membrane polyester non-woven fabrics, tectorial membrane antistatic non-woven fabrics, synthetic fiber filter media, glass fiber filter media, activated carbon filter media, cotton fiber, long fiber filter felt, the material such as the collodion cotton of expanding is made.

3. A building ventilation box according to claim 1, wherein: the inside of slip table (12) is provided with the screw hole and lead screw (10) inserts and establishes in the screw hole of the inside setting of slip table (12), the fixed surface of clearance shovel (13) is connected with fixed block (14), the inside of fixed block (14) is inserted and is equipped with installation screw (15), fixed block (14) run through installation screw (15) and insert and establish inside slip table (12), clearance shovel (13) set up to the internal diameter size looks adaptation of rectangle structure and size of a dimension and air pipe (2).

4. A building ventilation box according to claim 1, wherein: the side surface of air pipe (2) is provided with opening and opening both sides and all installs first articulated piece (16), the inside of first articulated piece (16) is inserted and is equipped with first articulated pole (17), the first sealing door (18) of fixed surface of first articulated pole (17) is connected with, first sealing door (18) are sealed to be connected with towards the fixed surface of air pipe (2) one side sealed pad.

5. A building ventilation box according to claim 1, wherein: the top surface of ventilation pipe (2) is provided with opening and the articulated piece of second (19) is installed to opening one side, the inside of the articulated piece of second (19) is inserted and is equipped with second articulated shaft (20), the fixed surface of second articulated shaft (20) is connected with second sealing door (21), the surface of second sealing door (21) is provided with the mounting hole, fixedly connected with firing equipment (22) in the mounting hole of second sealing door (21) surface setting, second sealing door (21) is sealed towards one side fixed surface of ventilation pipe (2) and is connected with sealed the pad.

6. A building ventilation box according to claim 1 or 5, wherein: inside below fixedly connected with sealing baffle (23) that is located second sealing door (21) of air pipe (2), the surface of sealing baffle (23) is provided with circular hole, the ultraviolet ray disinfection equipment (24) of fixedly connected with size looks adaptation in the circular hole of the surface setting of sealing baffle (23).

7. A building ventilation box according to claim 6, wherein: the surface of the sealing partition plate (23) is located on an external water funnel (25) fixedly connected to the lower portion of the heating device (22), the bottom end surface of the external water funnel (25) is fixedly connected with an outer sleeve (26), the bottom end surface of the external water funnel (25) is located on an inner sleeve (27) fixedly connected to the inner portion of the outer sleeve (26), and a circular hole is formed in one side surface, facing the ventilation box (1), of the outer sleeve (26) and the inner sleeve (27).

8. A building ventilation box according to claim 7, wherein: the inside fixedly connected with breather pipe (29) of circular trompil that outer tube (26) and interior sleeve pipe (27) surface set up, breather pipe (29) set up to L type structure, the one end of breather pipe (29) is installed in ventilation box (1) and the other end is inserted and is established inside interior sleeve pipe (27), the other end of breather pipe (29) is inside towards external water funnel (25), the other end fixedly connected with inscription water funnel (28) of breather pipe (29).

9. A building ventilation box according to claim 7 or 8, wherein: external water funnel (25) and internal water funnel (28) all set up to leak hopper-shaped, leave the external diameter that gap and gap between external water funnel (25) and internal water funnel (28) and the internal diameter interval size that the size of a dimension equals interior sleeve pipe (27) and outer tube (26), the other end of outer tube (26) and interior sleeve pipe (27) all runs through air pipe (2) and exposes externally, the kneck of outer tube (26), interior sleeve pipe (27) and breather pipe (29) is provided with the sealing ring.

10. A building ventilation box according to claim 1, wherein: the outside of mount pad (11) is down installed rubbish collection dish (30), the internal diameter size looks adaptation of size and the air pipe (2) of rubbish collection dish (30).