CN116085895A

CN116085895A - Ventilation system

Info

Publication number: CN116085895A
Application number: CN202211476370.3A
Authority: CN
Inventors: 康丽; 顾晓华; 朱尚文; 苏庆勇; 刘岩
Original assignee: Guilin University of Aerospace Technology
Current assignee: Guilin University of Aerospace Technology
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-09

Abstract

The invention discloses a ventilation system, which belongs to the technical field of ventilation equipment and comprises a ventilation box body, wherein a filter plate is arranged in the ventilation box body, a plurality of scraping plates for cleaning the surfaces of the filter plate are arranged in the ventilation box body, a transmission cavity is formed in the side wall of the ventilation box body, and a transmission mechanism for driving the scraping plates to repeatedly move back and forth is arranged in the transmission cavity; according to the scheme, the scraper can be used for cleaning dust impurities on the outer wall of the filter plate back and forth through the transmission mechanism, dust impurities on the filter plate can be prevented from being accumulated, the flow rate and the circulation speed of air are affected, and the air quality of a room is improved. Further improving the service life of the filter plate and the use effect of the device; and then the filter plate is knocked back and forth in a reciprocating way through the cooperation of the touch mechanism to generate vibration, so that the cleaning effect of the filter plate is obviously improved.

Description

Ventilation system

Technical Field

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

Background

Even if windows are arranged in rooms such as office buildings, hotels and apartments at present, the opening angle of the windows is small, or part of the rooms are not provided with windows, and the ventilation effect through the windows is poor and the ventilation speed is low, so that the air quality in the rooms is poor, the health of people in the rooms is not good, and ventilation systems are arranged in many places. The ventilation system mainly ventilates and ventilates the whole room through a ventilation device, so that a certain amount of external air enters the room, and a certain amount of indoor air is discharged to the outside, thus performing a cyclic operation.

The existing ventilation equipment is provided with a filter screen in the equipment air outlet, so that air entering a room can be filtered, and the air quality in the room is improved. However, after a period of use, more dust and impurities are adhered to the filter screen, if the filter screen is not cleaned in time, the flow rate and the circulation speed of air are affected, and the quality of the air entering a room is reduced; generally, the filter screen needs to be taken out to a specific position manually and frequently for shake cleaning, time and labor are wasted, normal use is affected by frequent cleaning, and the service life and the filtering effect of the filter screen are reduced.

Accordingly, there is a need to provide a ventilation system that solves the above-mentioned problems.

Disclosure of Invention

The present invention is directed to a ventilation system for solving the above-mentioned problems.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

the ventilation system comprises a ventilation box body, wherein a filter plate is arranged in the ventilation box body, a plurality of scraping plates for cleaning the surface of the filter plate are arranged in the ventilation box body, a transmission cavity is formed in the side wall of the ventilation box body, and a transmission mechanism for driving the scraping plates to repeatedly move back and forth is arranged in the transmission cavity;

the upper end and the lower end of the inner wall of the ventilation box body are respectively provided with a limiting mechanism for installing the filter plates, the upper ends of the scraping plates are fixedly connected with connecting plates together, and the upper wall of the inside of the ventilation box body is provided with two touch mechanisms matched with the connecting plates;

when the transmission mechanism drives the scraping plate to move to clean the filter plate, the scraping plate can simultaneously drive the connecting plate to move and knock the filter plate through the touch mechanism so as to vibrate the filter plate.

As a further scheme of the invention: the transmission mechanism comprises a screw rod which is rotationally connected between the left inner wall and the right inner wall of the ventilation box body, the screw rod is in threaded connection with a plurality of scraping plates, one end of the screw rod enters a transmission cavity and is fixedly connected with a first gear, the left inner wall and the right inner wall of the transmission cavity are rotationally connected with a first rotating rod, the outer wall of the first rotating rod is fixedly connected with a first incomplete gear and a second incomplete gear, the second incomplete gear is intermittently meshed with the first gear, and the first incomplete gear is connected with a linkage assembly.

As a further scheme of the invention: the linkage assembly comprises a second rotating rod which is rotationally connected to the side wall of the transmission cavity, a second gear which is intermittently meshed with the first incomplete gear is fixedly connected to the outer wall of the second rotating rod, a fourth gear which is meshed with the second gear is fixedly connected to the outer wall of the screw rod in the transmission cavity, and a motor for driving the first rotating rod to rotate is mounted on the outer wall of the ventilation box body.

As a further scheme of the invention: the limiting mechanism comprises a sliding groove formed in the inner wall of the ventilation box body, the inner wall of the sliding groove is slidably connected with a sliding mounting plate, a spring is fixedly connected between the side wall of the sliding mounting plate and the inner wall of the sliding groove, the upper end and the lower end of the filter plate are fixedly connected with a matching plate, and one end, far away from the filter plate, of the matching plate is slidably connected with the sliding mounting plate.

As a further scheme of the invention: the touch mechanism comprises a rotating column which is rotationally connected with the upper wall of the inner cavity of the ventilation box body, a cam and a third gear are fixedly connected on the rotating column, a torsion spring is arranged between the upper wall of the inner cavity of the ventilation box body and the cam, and a plurality of tooth blocks meshed with the third gear are fixedly connected on the side wall of the connecting plate.

As a further scheme of the invention: the upper wall of the ventilation box body is provided with a driving cavity communicated with the transmission cavity, the upper wall and the lower wall of the opening of the ventilation box body are rotationally connected with a plurality of adjusting shafts, the outer wall of each adjusting shaft is fixedly connected with a wind baffle, and an adjusting assembly for enabling the adjusting shafts to change angles is arranged in the driving cavity.

As a further scheme of the invention: the adjusting assembly comprises a linkage shaft which is rotationally connected between the left wall and the right wall of the driving cavity, a plurality of worms are fixedly connected to the outer wall of the linkage shaft, the upper end of the adjusting shaft stretches into the driving cavity and is fixedly provided with a worm wheel meshed with the worms, the left wall and the right wall of the driving cavity are rotationally connected with an auxiliary rod and a ratchet wheel part, the auxiliary rod is in transmission connection with the first rotating rod through a second belt, and the adjusting shaft is in transmission connection with the ratchet wheel part through a first belt.

As a further scheme of the invention: and a sliding rod is fixedly connected between the left wall and the right wall of the ventilation box body, and the sliding rod movably penetrates through a plurality of scraping plates.

Compared with the prior art, the invention has the advantages that:

1. according to the scheme, the scraper can be used for cleaning dust impurities on the outer wall of the filter plate back and forth through the transmission mechanism, dust impurities on the filter plate can be prevented from being accumulated, the flow rate and the circulation speed of air are affected, the filtering effect of the filter plate on the air can be guaranteed, and the air quality of a room is improved. Furthermore, the cycle time of the filter plate treatment can be obviously prolonged, the time and the labor are saved, the influence on the filter plate and the subsequent use caused by frequent disassembly and assembly cleaning is greatly reduced, and the service life and the effect of the filter plate are improved.

2. When the scraping plate moves, the connecting plate is driven to move at the same time, and then the filter plate is knocked back and forth in a reciprocating way through the cooperation of the touch mechanism to generate vibration, so that some dust impurities which are stubborn or not scraped by the scraping plate on the filter plate shake down, and the cleaning effect of the filter plate is obviously improved; and the filter plate is subjected to knocking vibration in a back-and-forth light-heavy combination mode, so that dust on the filter plate can be cleaned thoroughly by changing the vibration frequency of the filter plate.

3. Through the cooperation with stop gear for it is cushioned that the filter board receives the impact, is reducing filter board 2 under the impaired circumstances because of beating, still makes the filter board have certain displacement when vibrating, and then improves the vibration deashing effect of filter board 2.

Drawings

FIG. 1 is a schematic view of a partially cut-away construction of a ventilation box of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A;

FIG. 3 is a schematic view of a partially cut-away structure of a ventilation box according to the present invention from other viewing angles;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B;

FIG. 5 is a schematic view of a partial internal cross-sectional top view of the ventilation box of the present invention;

FIG. 6 is an enlarged schematic view of FIG. 5 at C;

FIG. 7 is an enlarged schematic view of the structure of FIG. 5 at D;

FIG. 8 is a schematic view of the left wall of the ventilation box of the present invention in a left side view;

FIG. 9 is an enlarged schematic view of the structure of FIG. 8 at E;

FIG. 10 is a schematic view of the upper wall of the ventilation box of the present invention in front elevation view;

FIG. 11 is a schematic view of a ratchet member of the present invention.

The reference numerals in the figures illustrate:

1. a ventilation box; 2. a filter plate; 3. a scraper; 4. a transmission cavity; 5. a transmission mechanism; 501. a screw rod; 502. a first gear; 503. a first rotating lever; 504. a first incomplete gear; 505. a second incomplete gear; 6. a limiting mechanism; 601. a sliding groove; 602. a sliding mounting plate; 603. a spring; 604. matching plates; 7. a connecting plate; 8. a touch mechanism; 801. a rotating column; 802. a cam; 803. a third gear; 804. a torsion spring; 805. tooth blocks; 9. a second rotating rod; 10. a second gear; 11. a fourth gear; 12. a motor; 13. a drive chamber; 14. an adjusting shaft; 15. a wind baffle; 16. a linkage shaft; 17. a worm; 18. a worm wheel; 19. a first belt; 20. a slide bar; 21. an auxiliary lever; 22. a second belt; 23. a pawl; 24. an outer ratchet.

Detailed Description

Embodiment one:

referring to fig. 1-5, a ventilation system comprises a ventilation box body 1, wherein a filter plate 2 is arranged in the ventilation box body 1, a plurality of scraping plates 3 for cleaning the surface of the filter plate 2 are arranged in the ventilation box body 1, a transmission cavity 4 is formed in the side wall of the ventilation box body 1, and a transmission mechanism 5 for driving the scraping plates 3 to repeatedly move back and forth is arranged in the transmission cavity 4; the upper end and the lower end of the inner wall of the ventilation box body 1 are respectively provided with a limiting mechanism 6 for installing the filter plates 2, the upper ends of the plurality of scraping plates 3 are fixedly connected with a connecting plate 7 together, and the upper wall of the inside of the ventilation box body 1 is provided with two touch mechanisms 8 matched with the connecting plate 7; when the transmission mechanism 5 drives the scraping plate 3 to move to clean the filter plate 2, the scraping plate 3 simultaneously drives the connecting plate 7 to move and the touch mechanism 8 is used for knocking the filter plate 2 so as to vibrate the filter plate 2.

When the air filter is used, external air is discharged into a room from the opening of the ventilation box body 1 through the ventilation equipment arranged on the side wall of the room, and when the air passes through the ventilation box body 1, the air is filtered through the air filter plate 2. After a period of use, the outer wall of filter 2 can deposit and adhere to more dust impurity, can make scraper blade 3 make a round trip to clear up dust impurity of filter 2 outer wall this moment through drive mechanism 5, on the one hand, can avoid dust impurity to pile up on the filter 2 and have the velocity that influences the circulation of air, on the other hand can guarantee the filter 2 to the filter effect of air, and then improve the air quality who gets into the room. Further, cycle time that can show to increase the filter and handle, labour saving and time saving, and very big reduction frequent dismouting clearance and to filter itself and follow-up use influence, improve its life and effect, labour saving and time saving accords with the user demand at present.

When the scraping plate 3 moves, the connecting plate 7 is driven to move simultaneously, and when the scraping plate 3 moves rightwards, the connecting plate 7 is driven to move rightwards, and at the moment, the connecting plate 7 is matched with the touch mechanism 8 to knock the filter plate 2 back and forth, so that the filter plate is vibrated, dust and impurities which are stubborn or are not scraped by the scraping plate 3 on the filter plate 2 shake down, the cleaning effect on the dust on the filter plate 2 is further improved, the cleaning effect on the filter plate 2 is obviously improved, and the air filtering effect and the quality of indoor air are improved. And through the knocking vibration of the combination of the back and forth light weight and the heavy weight of the filter plate 2, the dust on the filter plate 2 can be cleaned more thoroughly by changing the vibration frequency of the filter plate 2, so that the cleaning of the filter plate 2 can be effectively improved. Meanwhile, through the cooperation of the filter plate 2 and the limiting mechanism 6, the filter plate 2 is buffered when being impacted, and the filter plate 2 is displaced in a certain time when vibrating under the condition that the filter plate 2 is damaged due to knocking, so that the vibration ash removing effect of the filter plate 2 is improved.

In this embodiment, preferably, referring to fig. 5-9, the transmission mechanism 5 includes a screw rod 501 rotatably connected between the left and right inner walls of the ventilation box 1, the screw rod 501 is in threaded connection with the plurality of scrapers 3, one end of the screw rod 501 enters the transmission cavity 4 and is fixedly connected with a first gear 502, the left and right inner walls of the transmission cavity 4 are rotatably connected with a first rotating rod 503, an outer wall of the first rotating rod 503 is fixedly connected with a first incomplete gear 504 and a second incomplete gear 505, the second incomplete gear 505 is intermittently meshed with the first gear 502, the first incomplete gear 504 is connected with a linkage assembly, the linkage assembly includes a second rotating rod 9 rotatably connected to the side wall of the transmission cavity 4, the outer wall of the second rotating rod 9 is fixedly connected with a second gear 10 intermittently meshed with the first incomplete gear 504, the outer wall of the screw rod 501 located in the transmission cavity 4 is also fixedly connected with a fourth gear 11 meshed with the second gear 10, and the outer wall of the ventilation box 1 is provided with a motor 12 driving the first rotating rod 503.

The motor 12 is started to rotate forward to drive the first rotating rod 503 to rotate clockwise, the first rotating rod 503 drives the first incomplete gear 504 and the second incomplete gear 505 to rotate clockwise, and when the second incomplete gear 505 rotates to be meshed with the first gear 502, the first incomplete gear 504 is not meshed with the second gear 10, and vice versa. When the second incomplete gear 505 is meshed with the first gear 502, the screw rod 501 is driven to rotate anticlockwise through cooperation with the first gear 502, the screw rod 501 drives the scraping plate 3 in threaded connection with the screw rod 501 to move rightwards during rotation, and the scraping plate 3 moves along the outer wall of the filter plate 2, so that dust deposited and adhered on the outer wall of the filter plate 2 can be scraped. When the second incomplete gear 505 is not meshed with the first gear 502, the screw rod 501 is not rotated anticlockwise, at this time, the first incomplete gear 504 is meshed with the second gear 10, drives the second gear 10 and the second rotating rod 9 to rotate anticlockwise, the second gear 10 rotates anticlockwise, drives the fourth gear 11 and the screw rod 501 to rotate clockwise, and then the screw rod 501 drives the scraper 3 to move towards the left direction, so that the filter plate 2 can be cleaned in the opposite direction.

In this embodiment, as shown in fig. 4-5 and fig. 7, preferably, the triggering mechanism 8 includes a rotary column 801 rotatably connected to the upper wall of the inner cavity of the ventilation box 1, a cam 802 and a third gear 803 are fixedly connected to the rotary column 801, a torsion spring 804 is disposed between the upper wall of the inner cavity of the ventilation box 1 and the cam 802, and a plurality of tooth blocks 805 meshed with the third gear 803 are fixedly connected to the side wall of the connecting plate 7. When the connecting plate 7 moves, the tooth block 805 on the connecting plate can be meshed with the third gear 803 to drive the rotary column 801 and the cam 802 to rotate, torsion is generated on the torsion spring 804, the cam 802 rotates at the moment to slightly knock the matching plate 604, and light vibration is generated on the filter plate 2; when the connecting plate 7 moves to enable the tooth block 805 to be separated from the third gear 803 and not meshed with the third gear 803, the rotary force of the torsion spring 804 enables the rotary column 801 and the cam 802 to rotate at a high speed, the initial position is restored, and when the cam 802 rotates in a returning mode, the matching plate 604 is knocked at a high speed, and at the moment, the filter plate 2 generates large vibration.

In this embodiment, preferably, referring to fig. 2-3, the limiting mechanism 6 includes a sliding groove 601 formed in an inner wall of the ventilation box 1, a sliding mounting plate 602 is slidably connected to an inner wall of the sliding groove 601, a spring 603 is fixedly connected between a side wall of the sliding mounting plate 602 and an inner wall of the sliding groove 601, mating plates 604 are fixedly connected to upper and lower ends of the filter plate 2, and one end, far away from the filter plate 2, of the mating plates 604 is slidably connected with the sliding mounting plate 602. When cam 802 strikes cooperation board 604, the sliding mounting board 602 can drive sliding mounting board 602 and slide along slide groove 601, makes cooperation board 604 and filter 2 receive the impact through the cooperation effect of spring 603 simultaneously and obtains the buffering, is reducing filter 2 and damaging the condition because of striking, still makes filter board 2 have certain displacement when the vibration, and then improves the vibration deashing effect of filter board 2. Further, when a long period of time passes or a maintenance period is reached, the filter plate 2 and the matching plate 604 can be taken out for cleaning or replacement by sliding the matching plate 604 out along the sliding mounting plate 602, so that the treatment process is simple and convenient, and the use effect is good.

In this embodiment, preferably, referring to fig. 1 and 3, a sliding rod 20 is fixedly connected between the left wall and the right wall of the ventilation box 1, the sliding rod 20 movably penetrates through the plurality of scrapers 3, when the screw rod 501 drives the plurality of scrapers 3 to move, the scrapers 3 move along the sliding rod 20, the sliding rod 20 can limit the rotation of the scrapers 3, the rotation tendency of the scrapers 3 can be further limited, and the sliding rod 20 can improve the movement stability of the scrapers 3.

Embodiment two:

referring to fig. 1-3, fig. 5-6 and fig. 8-10, on the basis of the first embodiment, a driving cavity 13 communicated with the transmission cavity 4 is provided on the upper wall of the ventilation box 1, a plurality of adjusting shafts 14 are rotatably connected to the upper and lower walls of the opening of the ventilation box 1, an air baffle 15 is fixedly connected to the outer wall of each adjusting shaft 14, and an adjusting assembly for changing the angle of the adjusting shaft 14 is provided in the driving cavity 13. When the air-out of taking a breath normally, the filter 2 is not cleared up this moment, so that the tiny dust that has the vibration can penetrate filter 2 along with gas and get into the room, accessible motor 12 is reversed this moment, and slow rotation, even make first bull stick 503 anticlockwise rotate, make the air baffle 15 rotate through the cooperation of adjusting part this moment, at first through the setting of air baffle 15, when ventilation box 1 makes outside air enter into the room, accessible air baffle 15's rotation and angle regulation make the air enter into the room from different angles, thereby can select different position input air according to the specific condition, avoided present ventilator gas outlet to be the unchangeable condition, can make indoor ventilation more comprehensive, greatly improved the ventilation effect. And when not using breather and when clearing up filter 2, can adjust earlier and make a plurality of air baffles 15 close together and make the opening part of ventilation box 1 seal, as shown in fig. 3, not only can avoid it to cause the influence in the room this moment, also prevent someone to lead to the fact the damage to ventilation box 1 inside, simultaneously also comparatively pleasing to the eye, and also can avoid some dust or dirt in the room to enter into ventilation box 1 and filter 2 on the opposite side that is in scraper blade 3, also can improve the subsequent result of use of filter 2.

In this embodiment, as shown in fig. 5, 8 and 10-11, preferably, the adjusting assembly includes a linkage shaft 16 rotatably connected between the left and right walls of the driving cavity 13, the outer wall of the linkage shaft 16 is fixedly connected with a plurality of worms 17, the upper end of the adjusting shaft 14 extends into the driving cavity 13 and is fixedly provided with a worm wheel 18 meshed with the worms 17, the left and right inner walls of the driving cavity 4 are rotatably connected with an auxiliary rod 21 and a ratchet component, the auxiliary rod 21 is in transmission connection with the first rotating rod 503 through a second belt 22, and the adjusting shaft 14 is in transmission connection with the ratchet component through a first belt 19. The ratchet wheel component comprises a pawl 23 and an outer ratchet wheel 24, the pawl 23 is hinged on the outer wall of the auxiliary rod 21, the outer ratchet wheel 24 is rotatably connected to the side wall of the transmission cavity 4, the outer ratchet wheel 24 is matched with the pawl 23, as shown in a schematic diagram 11, when the auxiliary rod 21 drives the pawl 23 to rotate clockwise, the outer ratchet wheel 24 does not rotate, and when the auxiliary rod 21 drives the pawl 23 to rotate anticlockwise, the outer ratchet wheel 24 rotates.

When the filter plate 2 is cleaned, the first rotating rod 503 rotates clockwise, and the second belt 22 drives the auxiliary rod 21 to rotate clockwise, so that the outer ratchet 24 does not rotate, and the filter plate 2 can be cleaned normally. When the normal ventilation and air-out are performed, the filter plate 2 is not cleaned at this time, the motor 12 can rotate reversely and slowly, so that the first rotating rod 503 rotates anticlockwise and drives the auxiliary rod 21 to rotate anticlockwise, the outer ratchet wheel 24 rotates, the outer ratchet wheel 24 drives the linkage shaft 16 to rotate through the first belt 19, the linkage shaft 16 drives the plurality of worms 17 to rotate, the plurality of worms 17 drive the plurality of adjusting shafts 14 and the air baffle 15 to rotate through the cooperation with the plurality of worm gears 18, and at this time, the angle of the air baffle 15 can be adjusted, so that air enters from the angle direction required to be adjusted.

Working principle: when the indoor ventilation device is used, outside air is discharged into a room from the opening of the ventilation box body 1 through the ventilation equipment arranged on the side wall of the room, and when the air passes through the ventilation box body 1, the air is filtered through the filter plate 2, so that the quality of the air discharged into the room is improved, and the ventilation effect is ensured. After a period of use, more dust and impurities are deposited and adhered to the outer wall of the filter plate 2, at this time, the motor 12 is started to rotate forward to drive the first rotating rod 503 to rotate clockwise, the first rotating rod 503 drives the first incomplete gear 504 and the second incomplete gear 505 to rotate clockwise, the first incomplete gear 504 is not meshed with the second gear 10 when the second incomplete gear 505 rotates to mesh with the first gear 502, and vice versa, the first incomplete gear 504 is meshed with the second gear 10 when the second incomplete gear 505 is not meshed with the first gear 502. When the second incomplete gear 505 is meshed with the first gear 502, the screw rod 501 is driven to rotate anticlockwise through cooperation with the first gear 502, the screw rod 501 drives the scraping plate 3 in threaded connection with the screw rod 501 to move rightwards during rotation, and the scraping plate 3 moves along the outer wall of the filter plate 2, so that dust deposited and adhered on the outer wall of the filter plate 2 can be scraped. When the second incomplete gear 505 is not meshed with the first gear 502, the screw rod 501 is not rotated anticlockwise, at this time, the first incomplete gear 504 is meshed with the second gear 10, drives the second gear 10 and the second rotating rod 9 to rotate anticlockwise, the second gear 10 rotates anticlockwise, drives the fourth gear 11 and the screw rod 501 to rotate clockwise, and then the screw rod 501 drives the scraper 3 to move towards the left direction, so that the filter plate 2 can be cleaned in the opposite direction. Through carrying out the reciprocal clearance that makes a round trip to the dust impurity of filter 2 outer wall, can avoid dust impurity to pile up on the filter 2, guarantee the filter effect of filter 2 to the air.

When the scraper 3 moves, the connecting plate 7 is driven to move simultaneously, when the scraper 3 moves rightwards, the connecting plate 7 is driven to move rightwards, at the moment, the tooth block 805 on the connecting plate 7 is meshed with the third gear 803 to drive the rotary column 801 and the cam 802 to rotate, torsion is generated on the torsion spring 804, the cam 802 slightly knocks the matching plate 604 at the moment, and light vibration is generated on the filter plate 2; when the connecting plate 7 moves to enable the tooth block 805 to be separated from the third gear 803 and not meshed with the third gear 803, the rotary force of the torsion spring 804 enables the rotary column 801 and the cam 802 to rotate at a high speed, the initial position is restored, and when the cam 802 rotates in a returning mode, the matching plate 604 is knocked at a high speed, and at the moment, the filter plate 2 generates large vibration. Conversely, when the scraper 3 moves leftwards, the connecting plate 7 is driven to move leftwards, and the cam 802 is also caused to strike the matching plate 604, so that the filter plate 2 vibrates. Therefore, through beating the filter plate 2 back and forth, some stubborn dust impurities which are not scraped by the scraping plate 3 on the filter plate 2 can be shaken down, and the cleaning effect on the filter plate 2 is further improved.

When the cam 802 knocks the matching plate 604, the sliding mounting plate 602 drives the sliding mounting plate 602 to slide along the sliding groove 601, and meanwhile, the matching plate 604 and the filter plate 2 are buffered by impact through the matching action of the spring 603, and the filter plate 2 is enabled to have certain displacement during vibration, so that the ash removal effect is improved. When a long period of time passes or a maintenance period is reached, the filter plate 2 and the matching plate 604 can be taken out for cleaning or replacement by sliding the matching plate 604 out along the sliding mounting plate 602, so that the use effect is good.

When the normal ventilation and air-out are performed, the filter plate 2 is not cleaned at this time, the motor 12 can rotate reversely, the first rotating rod 503 rotates anticlockwise, the auxiliary rod 21 rotates anticlockwise, the outer ratchet wheel 24 rotates, the outer ratchet wheel 24 drives the linkage shaft 16 to rotate through the first belt 19, the linkage shaft 16 drives the plurality of worms 17 to rotate, the plurality of worms 17 drive the plurality of adjusting shafts 14 and the air baffle 15 to rotate through the cooperation with the plurality of worm gears 18, the air can be input through the angle of the air baffle 15, and indoor ventilation and air change can be thoroughly and comprehensively achieved. When the ventilation device is not used and the filter plate 2 is cleaned, the air baffle 15 can be combined together so that the opening of the ventilation box body 1 is closed.

Claims

1. A ventilation system comprising a ventilation box (1), characterized in that: the novel ventilating box is characterized in that a filter plate (2) is arranged in the ventilating box body (1), a plurality of scraping plates (3) for cleaning the surfaces of the filter plate (2) are arranged in the ventilating box body (1), a transmission cavity (4) is formed in the side wall of the ventilating box body (1), and a transmission mechanism (5) for driving the scraping plates (3) to repeatedly move back and forth is arranged in the transmission cavity (4);

limiting mechanisms (6) for installing the filter plates (2) are arranged at the upper end and the lower end of the inner wall of the ventilation box body (1), connecting plates (7) are fixedly connected to the upper ends of the scraping plates (3) together, and two touch mechanisms (8) matched with the connecting plates (7) are arranged on the upper wall of the inner part of the ventilation box body (1);

when the transmission mechanism (5) drives the scraping plate (3) to move to clean the filter plate (2), the scraping plate (3) simultaneously drives the connecting plate (7) to move and the touch mechanism (8) is used for knocking the filter plate (2) to vibrate the filter plate (2).

2. A ventilation system according to claim 1, characterized in that: the utility model provides a novel automatic transmission mechanism for a kitchen ventilator, including ventilation box (1), including rotating screw rod (501) between the inner wall about, screw rod (501) and a plurality of scraper blade (3) threaded connection, the one end of screw rod (501) gets into in transmission chamber (4) and fixedly connected with first gear (502), inner wall rotation is connected with first bull stick (503) about transmission chamber (4), the outer wall fixedly connected with first incomplete gear (504) and second incomplete gear (505) of first bull stick (503), second incomplete gear (505) and first gear (502) intermittent type nature meshing, first incomplete gear (504) are connected with the linkage subassembly.

3. A ventilation system according to claim 2, characterized in that: the linkage assembly comprises a second rotating rod (9) which is rotationally connected to the side wall of the transmission cavity (4), a second gear (10) which is intermittently meshed with the first incomplete gear (504) is fixedly connected to the outer wall of the second rotating rod (9), a fourth gear (11) which is meshed with the second gear (10) is fixedly connected to the outer wall of the screw rod (501) in the transmission cavity (4), and a motor (12) which drives the first rotating rod (503) to rotate is mounted on the outer wall of the ventilation box body (1).

4. A ventilation system according to claim 1, characterized in that: stop gear (6) are including seting up in slide groove (601) of ventilation box (1) inner wall, the inner wall sliding connection of slide groove (601) has slide mounting board (602), fixedly connected with spring (603) between the lateral wall of slide mounting board (602) and slide groove (601) inner wall, the equal fixedly connected with cooperation board (604) of upper and lower extreme of filter (2), the one end and slide mounting board (602) sliding connection of filter (2) are kept away from to cooperation board (604).

5. A ventilation system according to claim 4, wherein: the touch mechanism (8) comprises a rotary column (801) which is rotationally connected to the upper wall of the inner cavity of the ventilation box body (1), a cam (802) and a third gear (803) are fixedly connected to the rotary column (801), a torsion spring (804) is arranged between the upper wall of the inner cavity of the ventilation box body (1) and the cam (802), and a plurality of tooth blocks (805) meshed with the third gear (803) are fixedly connected to the side wall of the connecting plate (7).

6. A ventilation system according to claim 3, characterized in that: the novel ventilating box is characterized in that a driving cavity (13) communicated with the transmission cavity (4) is formed in the upper wall of the ventilating box body (1), a plurality of adjusting shafts (14) are rotatably connected to the upper wall and the lower wall of the opening of the ventilating box body (1), air baffles (15) are fixedly connected to the outer walls of the adjusting shafts (14), and an adjusting assembly enabling the adjusting shafts (14) to change angles is arranged in the driving cavity (13).

7. A ventilation system according to claim 6, wherein: the adjusting component comprises a linkage shaft (16) which is rotationally connected between the left wall and the right wall of the driving cavity (13), a plurality of worms (17) are fixedly connected to the outer wall of the linkage shaft (16), the upper end of the adjusting shaft (14) stretches into the driving cavity (13) and is fixedly provided with a worm wheel (18) meshed with the worms (17), the left wall and the right wall of the driving cavity (4) are rotationally connected with an auxiliary rod (21) and a ratchet part, the auxiliary rod (21) is in transmission connection with a first rotating rod (503) through a second belt (22), and the adjusting shaft (14) is in transmission connection with the ratchet part through a first belt (19).

8. A ventilation system according to claim 1, characterized in that: a sliding rod (20) is fixedly connected between the left wall and the right wall of the ventilation box body (1), and the sliding rod (20) movably penetrates through the plurality of scraping plates (3).