CN213931081U - Range hood with lampblack purifying and deodorizing functions - Google Patents

Abstract

The utility model discloses a lampblack absorber with oil smoke purifies removes flavor function relates to lampblack absorber technical field, generally is upper portion induced draft formula for solving current lampblack absorber, and its upper portion wind direction receives external environment influence easily and leads to the oil smoke to be blown away when it uses, and then leads to the incomplete problem of whole oil smoke adsorption effect. The lampblack absorber body comprises the exhaust layer, the oil reservoir that falls, advances the cigarette layer, the exhaust layer comprises the exhaust column, the inside intermediate position department fixed mounting of exhaust column has the fan, the intermediate position department fixed mounting of oil reservoir lower surface that falls has the oily mechanism that falls, the outer wall fixed mounting of the oily mechanism that falls has an album petticoat pipe, the inside fixed mounting that gathers the petticoat pipe has the fire prevention filter screen, the inside fixed mounting of fire prevention filter screen has the oil cup, fixed mounting has the oblique angle to advance the cigarette board on advancing the outer wall of cigarette layer preceding terminal surface.

Description

Range hood with lampblack purifying and deodorizing functions

Technical Field

The utility model relates to a lampblack absorber technical field specifically is a lampblack absorber with oil smoke purifies removes flavor function.

Background

The kitchen ventilator is also called as a range hood, and is a kitchen appliance for purifying the kitchen environment. The kitchen ventilator is arranged above a kitchen stove, can rapidly pump away waste burnt by the stove and oil smoke harmful to human bodies generated in the cooking process, and exhaust the oil smoke out of a room, and simultaneously condenses and collects the oil smoke, thereby reducing pollution, purifying air and having the safety guarantee effects of gas defense and explosion prevention.

However, the existing range hood is generally of an upper air suction type, and when the existing range hood is used, the upper wind direction of the existing range hood is easily affected by the external environment, so that oil smoke is blown away, and the whole oil smoke adsorption effect is incomplete; therefore, the existing requirements are not met, and the range hood with the oil smoke purifying and deodorizing functions is provided for the people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lampblack absorber with oil smoke purifies removes flavor function to solve the current lampblack absorber that provides among the above-mentioned background art and generally be upper portion air draft formula, its upper portion wind direction receives external environment influence easily and leads to the oil smoke to be blown away when it uses, and then leads to the incomplete problem of whole oil smoke adsorption effect.

In order to achieve the above object, the utility model provides a following technical scheme: a range hood with lampblack purifying and odor removing functions comprises a range hood body, wherein the range hood body consists of an air draft layer, an oil falling layer and a smoke inlet layer, the air draft layer consists of an air draft pipe, a fan is fixedly arranged at the middle position inside the air draft pipe, an oil falling mechanism is fixedly arranged at the middle position of the lower surface of the oil falling layer, a smoke collecting hood is fixedly arranged on the outer wall of the oil falling mechanism, a fireproof filter screen is fixedly arranged inside the smoke collecting hood, an oil cup is fixedly arranged inside the fireproof filter screen, an oblique-angle smoke inlet plate is fixedly arranged on the outer wall of the front end surface of the smoke inlet layer, an oblique-angle smoke inlet through hole is fixedly arranged on the outer wall of the oblique-angle smoke inlet plate, a plurality of oblique-angle smoke inlet through holes are arranged, a bottom smoke inlet mechanism is fixedly arranged below the oblique-angle smoke inlet plate, and a bottom smoke inlet plate is fixedly arranged on the outer wall of the front end surface of the bottom smoke inlet mechanism, the equal fixed mounting in four angles of bottom inlet cigarette board outer wall has inlet cigarette board installation screw, the preceding terminal surface fixed mounting of bottom inlet cigarette board has the bottom to advance the cigarette through-hole, and the bottom advances the cigarette through-hole and installs a plurality of, the inside fixed mounting of bottom inlet cigarette mechanism has the bottom fan, the top fixed mounting of bottom fan has the connection air flue, the below fixed mounting of bottom fan has the bottom oil reservoir that falls, the internally mounted in the bottom oil reservoir has the bottom collecting vat, the upper end of exhaust column is provided with the mounting panel, fixed mounting has mounting panel fixed screw on the outer wall of mounting panel, and the outer wall of mounting panel passes through mounting panel fixed screw and exhaust column threaded connection, the intermediate position department of mounting panel installs the blast pipe installing port.

Preferably, the equal fixed mounting in both sides of exhaust column has the spout, install the slider on the outer wall of spout, it is adjacent install the frizing between the spout, the one end of slider passes through spout and frizing sliding connection.

Preferably, the equal fixed mounting in both sides of the oily mechanism that falls has the atomizing shower head, the one end fixed mounting of atomizing shower head has conveying hose, conveying hose's the one end fixedly connected with sanitizer case of keeping away from the atomizing shower head, the one end fixed mounting of sanitizer case has the inlet tube, fixed mounting has control valve and flowmeter on the outer wall of inlet tube.

Preferably, the fixed mounting that falls oil reservoir intermediate position department has fixed platform, fixed platform's preceding terminal surface fixed mounting has operating panel, the equal fixed mounting in both sides of fixed platform upper surface has the spread groove.

Preferably, the connecting piece is fixedly mounted above the connecting groove, the connecting rod is fixedly mounted at the upper end of the connecting piece, the fixing piece is fixedly mounted at the upper end of the connecting rod, the fixing piece screw is fixedly mounted on the outer wall of the fixing piece, and the sucker foot is fixedly mounted on the upper surface of the fixing piece.

Preferably, a static module is fixedly installed below the fan, and an activated carbon adsorption chamber is fixedly installed below the static module.

Preferably, the upper end and the lower end of the activated carbon adsorption chamber are both fixedly provided with filter screens.

Preferably, a reinforcing member is fixedly mounted on the rear end face of the bottom smoke inlet mechanism.

Preferably, the outer wall of the front end face of the exhaust pipe is fixedly provided with a switch cover, one side of the switch cover is provided with a connecting hinge, and one side of the switch cover is rotatably connected with the exhaust pipe through the connecting hinge.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model opens the smoke exhaust ventilator by electrifying to make the fan rotate at high speed, the oil smoke enters the interior from the oblique angle smoke inlet through hole and the smoke collecting hood, air pressure difference is generated inside and outside the air inlet end and inside and outside the air outlet end, the oil smoke can rotate together with the air of the exhaust pipe to be blown to the exhaust pipe to be discharged, meanwhile, in the process of removing the oil smoke, part of high-temperature oil particles in the oil smoke are thrown to the inner wall of the front end of the exhaust pipe under the action of the centrifugal force of the fan and are condensed into oil drops, the oil drops flow into the oil cup under the action of gravity to be collected, when the external environment interferes the air suction process, the bottom fan arranged in the bottom smoke inlet mechanism catches the smoke which is scattered by interference, the smoke enters the interior from the bottom smoke inlet through hole and is thrown to the inner wall by the centrifugal force, the smoke drops to the bottom oil layer to be collected, a bottom collecting tank is arranged in the bottom oil layer, the user can follow the lateral part and take it out the washing, compare in general lampblack absorber, the utility model discloses to leading to the oil smoke to be blown away because of the external environment influence, and then on leading to the incomplete problem of whole oil smoke adsorption effect, through divide into three convulsions with the lampblack absorber, in time the flue gas of top is influenced by the environment and is scattered the separation all around, the bottom and the oblique angle department catch cigarette mechanism also can advance inside with its absorption to can improve the absorption scope of lampblack absorber, and then make holistic adsorption effect more comprehensive.

2. The oil scraping plate can be driven by the sliding block and the sliding groove, and the oil scraping plate scrapes the inner wall of the exhaust pipe by sliding up and down, so that oil drops on the inner wall can be scraped, and the air inlet pipe is more convenient to clean.

3. The one end fixed mounting of sanitizer case has the inlet tube, fixed mounting has control valve and flowmeter on the outer wall of inlet tube, the inlet tube is connected to sanitizer case one end, the inlet tube comes to control its switch and flow through control valve and flowmeter, the sanitizer of sanitizer incasement and the mixture of water are carried to atomizing shower head department through the delivery hose and are sprayed, can be cleaned by atomizing steam in the messenger oil mechanism that falls to can wash oil mechanism by convenience of customers more.

4. Connecting rod and mounting are installed to the connecting piece upper end, are equipped with mounting screw and sucking disc foot on the mounting, and the user can be selective use or whole use, makes it can be fixed with the wall body, makes the fixed effect of whole top obtain improving.

5. The oil fume is firstly filtered and separated by the filter screen through the filter screen, the remaining oil fume enters the activated carbon adsorption chamber and is adsorbed by the activated carbon adsorption chamber, so that the smell of the oil fume is purified, then the oil fume gas is ionized at the electrostatic module, most of the oil fume gas is degraded and carbonized, and a small part of small oil particles move towards the positive and negative plates of the electric field under the action of the electric field force and the air flow of the adsorption electric field and are collected on the polar plates and flow into the oil cup under the action of self gravity, so that the whole oil fume purification process is improved, and the capability of removing the smell of the oil fume is enhanced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of the fixing platform of the present invention;

FIG. 3 is a schematic view of a partial structure at A of the present invention;

FIG. 4 is a schematic view of a partial structure of the bottom smoke inlet mechanism of the present invention;

fig. 5 is a schematic view of a partial structure of the oil dropping mechanism of the present invention;

in the figure: 1. a range hood body; 2. an air draft layer; 3. dropping an oil layer; 4. a smoke inlet layer; 5. a fixed platform; 6. an operation panel; 7. an exhaust pipe; 8. mounting a plate; 9. mounting plate fixing screws; 10. an exhaust pipe mounting port; 11. a switch cover; 12. connecting a hinge; 13. a slider; 14. a chute; 15. a scraper plate; 16. connecting grooves; 17. a connecting member; 18. a connecting rod; 19. a fixing member; 20. a fastener screw; 21. a sucker foot; 22. a bevel smoke inlet plate; 23. a smoke inlet through hole with an oblique angle; 24. a bottom smoke inlet mechanism; 25. a bottom smoke inlet plate; 26. a cigarette inlet plate is provided with a screw; 27. a bottom smoke inlet through hole; 28. a bottom fan; 29. connecting an air passage; 30. a reinforcement; 31. an oil layer falls from the bottom; 32. a bottom collection tank; 33. a fan; 34. an electrostatic module; 35. an activated carbon adsorption chamber; 36. filtering with a screen; 37. an oil dropping mechanism; 38. a smoke collecting hood; 39. a fireproof filter screen; 40. an oil cup; 41. an atomizing spray header; 42. a delivery hose; 43. a detergent tank; 44. a water inlet pipe; 45. control valves and flow meters.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-5, the present invention provides an embodiment: a range hood with lampblack purification and odor removal functions comprises a range hood body 1, the range hood body 1 is composed of an air draft layer 2, an oil falling layer 3 and a smoke inlet layer 4, the air draft layer 2 is composed of an air draft pipe 7, a fan 33 is fixedly installed at the middle position inside the air draft pipe 7, an oil falling mechanism 37 is fixedly installed at the middle position of the lower surface of the oil falling layer 3, a smoke collecting hood 38 is fixedly installed on the outer wall of the oil falling mechanism 37, a fireproof filter screen 39 is fixedly installed inside the smoke collecting hood 38, an oil cup 40 is fixedly installed inside the fireproof filter screen 39, an oblique angle smoke inlet plate 22 is fixedly installed on the outer wall of the front end face of the smoke inlet layer 4, an oblique angle smoke inlet through hole 23 is fixedly installed on the outer wall of the oblique angle smoke inlet plate 22, a plurality of oblique angle smoke inlet through holes 23 are installed, a bottom smoke inlet mechanism 24 is fixedly installed below the oblique angle smoke inlet plate 22, a bottom smoke inlet plate 25 is fixedly installed on the outer wall of the front end face of the bottom smoke inlet mechanism 24, four equal fixed mounting in angle of cigarette board 25 outer wall are advanced to the bottom have cigarette board installation screw 26, the preceding terminal surface fixed mounting that cigarette board 25 was advanced in the bottom has bottom to advance cigarette through-hole 27, and the bottom advances cigarette through-hole 27 and installs a plurality of, the inside fixed mounting that cigarette mechanism 24 was advanced in the bottom has bottom fan 28, the top fixed mounting of bottom fan 28 has connection air flue 29, bottom fan 28's below fixed mounting has bottom oil layer 31 that falls, the internally mounted that oil layer 31 falls in the bottom has bottom collecting vat 32, the upper end of exhaust column 7 is provided with mounting panel 8, fixed mounting has mounting panel fixed screw 9 on mounting panel 8's the outer wall, mounting panel 8's outer wall passes through mounting panel fixed screw 9 and exhaust column 7 threaded connection, blast pipe installing port 10 is installed to mounting panel 8's intermediate position department.

Further, the equal fixed mounting in both sides of exhaust column 7 has spout 14, installs slider 13 on the outer wall of spout 14, installs scraper 15 between the adjacent spout 14, and slider 13's one end is passed through spout 14 and scraper 15 sliding connection, relies on slider 13 and spout 14 to drive scraper 15, makes scraper 15 scrape the inner wall of exhaust column 7 through sliding from top to bottom, makes the oil droplet of its inner wall department can be scraped off.

Further, the equal fixed mounting in both sides of the oily mechanism 37 that falls has atomizing shower head 41, atomizing shower head 41's one end fixed mounting has conveying hose 42, conveying hose 42's the one end fixedly connected with sanitizer case 43 of keeping away from atomizing shower head 41, the one end fixed mounting of sanitizer case 43 has inlet tube 44, fixed mounting has control valve and flowmeter 45 on inlet tube 44's the outer wall, inlet tube 44 is connected to sanitizer case 43 one end, inlet tube 44 comes to control its switch and flow through control valve and flowmeter 45, the mixture of sanitizer in the sanitizer case 43 and water is carried to atomizing shower head 41 department through conveying hose 42 and is sprayed, can be cleaned by atomizing steam in the messenger's oily mechanism 37 that falls.

Further, the fixed platform 5 is fixedly mounted at the middle position of the oil falling layer 3, the operation panel 6 is fixedly mounted on the front end face of the fixed platform 5, the connecting grooves 16 are fixedly mounted on two sides of the upper surface of the fixed platform 5, and the connecting grooves 16 are used for mounting the connecting pieces 17.

Further, a connecting piece 17 is fixedly mounted above the connecting groove 16, a connecting rod 18 is fixedly mounted at the upper end of the connecting piece 17, a fixing piece 19 is fixedly mounted at the upper end of the connecting rod 18, a fixing piece screw 20 is fixedly mounted on the outer wall of the fixing piece 19, a sucker foot 21 is fixedly mounted on the upper surface of the fixing piece 19, the connecting rod 18 and the fixing piece 19 are mounted at the upper end of the connecting piece 17, the fixing piece screw 20 and the sucker foot 21 are arranged on the fixing piece 19, and a user can selectively use or use the connecting piece or the sucker foot 21 completely, so that the connecting piece can be fixed with a wall body.

Further, a static module 34 is fixedly installed below the fan 33, an active carbon adsorption chamber 35 is fixedly installed below the static module 34, the active carbon adsorption chamber 35 and a filter screen 36 are arranged in the exhaust pipe 7, oil smoke is firstly filtered and separated by the filter screen 36 through the filter screen 36, the remaining oil smoke enters the active carbon adsorption chamber 35 and is adsorbed by the active carbon adsorption chamber, so that smell of the oil smoke is purified, then oil smoke gas is ionized at the static module 34, most of the oil smoke gas is degraded and carbonized, and a small part of tiny oil particles move towards positive and negative plates of an electric field under the action of electric field force and airflow of an adsorption electric field, are collected on the plates and flow into the oil cup 40 under the action of self gravity, so that the whole oil smoke purification process is improved, and the capability of removing smell of the oil smoke particles is enhanced.

Further, the upper and lower ends of the activated carbon adsorption chamber 35 are both fixedly provided with a filter screen 36, and the filter screen 36 is used for filtering.

Further, the reinforcing member 30 is fixedly mounted on the rear end face of the bottom smoke feeding mechanism 24, and the reinforcing member 30 facilitates the user to fix the bottom smoke feeding mechanism 24 and an object, so that the bottom of the bottom smoke feeding mechanism is more stable.

Furthermore, fixedly mounted on the outer wall of the front end face of the exhaust pipe 7 is a switch cover 11, one side of the switch cover 11 is provided with a connecting hinge 12, one side of the switch cover 11 is rotatably connected with the exhaust pipe 7 through the connecting hinge 12, and the switch cover 11 can facilitate a user to check and clean the exhaust pipe 7.

The working principle is as follows: when the exhaust pipe fixing device is used, the exhaust pipe is installed at the exhaust pipe installation opening 10, the two connecting pieces 17 are installed in the corresponding connecting grooves 16 respectively, the connecting rod 18 and the fixing piece 19 are installed at the upper end of each connecting piece 17, the fixing piece 19 is provided with the fixing piece screw 20 and the sucker foot 21, and a user can selectively use or completely use the exhaust pipe to fix the exhaust pipe with a wall body; when the range hood is powered on, the fan 33 rotates at a high speed, oil smoke enters the interior of the range hood from the oblique-angle smoke inlet through hole 23 and the smoke collecting hood 38, air pressure difference is generated between the inside and outside of the air inlet end and the inside and outside of the air outlet end, so that the oil smoke can rotate along with the air of the exhaust pipe 7 and is blown to the exhaust pipe at an accelerated speed to be discharged, meanwhile, in the process of removing the oil smoke, part of high-temperature oil particles in the oil smoke are thrown onto the inner wall of the front end of the exhaust pipe 7 under the action of centrifugal force of the fan, are condensed into oil drops, and then; when the external environment interferes the air draft process, a bottom fan 28 arranged in the bottom smoke inlet mechanism 24 captures some smoke which is interfered and scattered, so that the smoke enters the interior from the bottom smoke inlet through hole 27 and is thrown at the inner wall by centrifugal force and flows downwards to the bottom oil falling layer 31 for collection, a bottom collecting tank 32 is arranged in the bottom oil falling layer 31, and a user can draw out the smoke from the side part for cleaning; an electrostatic module 34, an activated carbon adsorption chamber 35 and a filter screen 36 are arranged in the exhaust pipe 7, oil smoke is firstly filtered and separated by the filter screen 36 through the filter screen 36, the remaining oil smoke enters the activated carbon adsorption chamber 35 to be adsorbed by the activated carbon adsorption chamber 35, so that the smell of the oil smoke is purified, then oil smoke gas is ionized at the electrostatic module 34, most of the oil smoke gas is degraded and carbonized, and a small part of tiny oil particles move to the positive and negative plates of an electric field under the action of the electric field force of an adsorption electric field and airflow and are collected on the plates and flow into the oil cup 40 under the action of self gravity; rely on slider 13 and spout 14 to drive oil scraping plate 15, make oil scraping plate 15 scraping exhaust column 7's inner wall through sliding from top to bottom, make the oil droplet of its inner wall department can be scraped off, inlet tube 44 is connected to sanitizer case 43 one end, inlet tube 44 comes to control its switch and flow through control valve and flowmeter 45, the mixture of sanitizer and water in the sanitizer case 43 is carried to spray 41 departments of atomizing shower head through delivery hose 42 and is sprayed, can be cleaned by atomizing steam in the messenger's oily mechanism 37 that falls.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (9)

1. The utility model provides a lampblack absorber with oil smoke purifies removes flavor function, includes lampblack absorber body (1), its characterized in that: the range hood is characterized in that the range hood body (1) consists of an air draft layer (2), an oil dropping layer (3) and a smoke inlet layer (4), the air draft layer (2) consists of an air draft pipe (7), a fan (33) is fixedly arranged at the middle position inside the air draft pipe (7), an oil dropping mechanism (37) is fixedly arranged at the middle position of the lower surface of the oil dropping layer (3), an oil collecting hood (38) is fixedly arranged on the outer wall of the oil dropping mechanism (37), a fireproof filter screen (39) is fixedly arranged inside the oil collecting hood (38), an oil cup (40) is fixedly arranged inside the fireproof filter screen (39), an oblique angle smoke inlet plate (22) is fixedly arranged on the outer wall of the front end face of the smoke inlet layer (4), an oblique angle smoke inlet through hole (23) is fixedly arranged on the outer wall of the oblique angle smoke inlet plate (22), and a plurality of oblique angle smoke inlet through holes (23) are arranged, the lower part of the oblique angle smoke inlet plate (22) is fixedly provided with a bottom smoke inlet mechanism (24), the outer wall of the front end face of the bottom smoke inlet mechanism (24) is fixedly provided with a bottom smoke inlet plate (25), four corners of the outer wall of the bottom smoke inlet plate (25) are fixedly provided with smoke inlet plate mounting screws (26), the front end face of the bottom smoke inlet plate (25) is fixedly provided with a bottom smoke inlet through hole (27), the bottom smoke inlet through hole (27) is provided with a plurality of smoke inlet holes, the inner part of the bottom smoke inlet mechanism (24) is fixedly provided with a bottom fan (28), the upper part of the bottom fan (28) is fixedly provided with a connecting air passage (29), the lower part of the bottom fan (28) is fixedly provided with a bottom oil falling layer (31), the inner part of the bottom oil falling layer (31) is provided with a bottom collecting tank (32), and the upper end of the exhaust pipe (7) is provided with a mounting plate (8), the exhaust pipe mounting structure is characterized in that mounting plate fixing screws (9) are fixedly mounted on the outer wall of the mounting plate (8), the outer wall of the mounting plate (8) is in threaded connection with the exhaust pipe (7) through the mounting plate fixing screws (9), and an exhaust pipe mounting opening (10) is mounted at the middle position of the mounting plate (8).

2. The range hood with the functions of oil smoke purification and odor removal according to claim 1, wherein: the equal fixed mounting in both sides of exhaust column (7) has spout (14), install slider (13) on the outer wall of spout (14), it is adjacent install frizing (15) between spout (14), the one end of slider (13) is passed through spout (14) and frizing (15) sliding connection.

3. The range hood with the functions of oil smoke purification and odor removal according to claim 1, wherein: the equal fixed mounting in both sides of oily mechanism (37) that falls has atomizing shower head (41), the one end fixed mounting of atomizing shower head (41) has conveying hose (42), the one end fixedly connected with sanitizer case (43) of keeping away from atomizing shower head (41) of conveying hose (42), the one end fixed mounting of sanitizer case (43) has inlet tube (44), fixed mounting has control valve and flowmeter (45) on the outer wall of inlet tube (44).

4. The range hood with the functions of oil smoke purification and odor removal according to claim 1, wherein: the oil layer (3) that falls department fixed mounting has fixed platform (5) in the intermediate position, the preceding terminal surface fixed mounting of fixed platform (5) has operating panel (6), the equal fixed mounting in both sides of fixed platform (5) upper surface has spread groove (16).

5. A range hood with lampblack purification and odor removal functions as claimed in claim 4, wherein: the top fixed mounting of spread groove (16) has connecting piece (17), the upper end fixed mounting of connecting piece (17) has connecting rod (18), the upper end fixed mounting of connecting rod (18) has mounting (19), fixed mounting has mounting screw (20) on the outer wall of mounting (19), the last fixed surface of mounting (19) installs sucking disc foot (21).

6. The range hood with the functions of oil smoke purification and odor removal according to claim 1, wherein: the lower part of the fan (33) is fixedly provided with a static module (34), and the lower part of the static module (34) is fixedly provided with an activated carbon adsorption chamber (35).

7. The range hood with lampblack purification and odor removal functions as claimed in claim 6, wherein: and filter screens (36) are fixedly arranged at the upper end and the lower end of the activated carbon adsorption chamber (35).

8. The range hood with the functions of oil smoke purification and odor removal according to claim 1, wherein: and a reinforcing piece (30) is fixedly arranged on the rear end face of the bottom smoke inlet mechanism (24).

9. The range hood with the functions of oil smoke purification and odor removal according to claim 1, wherein: fixed mounting has switch cover (11) on the outer wall of terminal surface before exhaust column (7), connection hinge (12) are installed to one side of switch cover (11), and one side of switch cover (11) is passed through connection hinge (12) and is connected with exhaust column (7) rotation.

Images