CN219300838U

CN219300838U - Smoke exhausting mechanism

Info

Publication number: CN219300838U
Application number: CN202320082476.9U
Authority: CN
Inventors: 王加兵; 陈忠红
Original assignee: Nanjing Wantui Technology Co ltd
Current assignee: Nanjing Wantui Technology Co ltd
Priority date: 2023-01-28
Filing date: 2023-01-28
Publication date: 2023-07-04
Anticipated expiration: 2033-01-28

Abstract

The utility model relates to a smoke exhaust mechanism, which comprises a smoke exhaust pipeline, wherein the left end face of the smoke exhaust pipeline is communicated with a smoke collecting hood, a metal net is arranged on the left side of the smoke collecting hood, a first exhaust fan is arranged in the smoke exhaust pipeline, a second exhaust fan is arranged in the smoke exhaust pipeline, a filter assembly is arranged on the upper surface of the smoke exhaust pipeline, and a mounting assembly is arranged on the upper surface of the smoke exhaust pipeline. This mechanism of discharging fume has set up filter unit in this mechanism of discharging fume, through mutually supporting between each structure in the filter unit, through setting up filter, activated carbon sheet and HEPA filter screen, has realized the filtration and the purification to flue gas in the exhaust flue, can effectively get rid of impurity and other harmful substance that mix with in the flue gas in the exhaust flue, has guaranteed that the exhaust flue gas accords with emission standard, and then can not cause the influence to the environment, has realized the multistage filtration to the flue gas, has improved the practicality of this mechanism of discharging fume on the whole.

Description

Smoke exhausting mechanism

Technical Field

The utility model relates to the technical field of smoke emission, in particular to a smoke exhausting mechanism.

Background

Because the kitchen is always provided with lampblack, in household cleaning, the kitchen is clean and sanitary, the lampblack is directly related to the temperature of oil during cooking, when the temperature of the oil is heated to be more than 200 ℃, the lampblack generates the main component acrolein of lampblack, has strong pungency, has strong irritation to mucous membranes of nose, eyes and throat, can cause respiratory diseases such as rhinitis, sphagitis and tracheitis, and when the temperature of the oil is more than 300 ℃, aggregates are generated besides the acrolein, so that chronic poisoning is caused, cancers of respiratory and digestive systems are easily induced, and whether a smoke discharging mechanism is unobstructed determines whether the air quality of the kitchen and the toilet is fresh or not, thereby determining the quality of indoor environment.

In chinese patent, a ventilation fume extractor is disclosed, including the wind scooper, the wind scooper divide into the multistage cover body that different angles are connected, and the wind scooper mouth is equipped with the exhaust fan, is equipped with the guide plate that is used for the drainage of flue gas in the wind scooper, and this scheme is through providing a ventilation fume extractor, utilizes the effect of guide plate can be with the flue gas drainage in the wind scooper to the air outlet, then discharges fast through the exhaust fan.

The above-mentioned patent is although can realize solving the flue gas and convoluting in exhaust pipe easily, causes the flue gas to stay time long, and the oil smoke adsorbs in exhaust pipe, leads to the problem that the ventilation effect is not ideal enough, but does not consider the problem that can mix with impurity and other harmful substance in the flue gas, and then can lead to the exhaust flue gas to pollute the environment, has reduced this exhaust fume mechanism's practicality.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a smoke exhausting mechanism which has the advantage of good filtering effect, and solves the problem that the smoke is not considered to be mixed with impurities and other harmful substances, so that the exhausted smoke pollutes the environment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the smoke exhaust mechanism comprises a smoke exhaust pipeline, wherein the left end face of the smoke exhaust pipeline is communicated with a smoke collecting cover, a metal net is arranged on the left side of the smoke collecting cover, a first exhaust fan is arranged in the smoke exhaust pipeline, a second exhaust fan is arranged in the smoke exhaust pipeline, a filter assembly is arranged on the upper surface of the smoke exhaust pipeline, and a mounting assembly is arranged on the upper surface of the smoke exhaust pipeline;

the filter component comprises a mounting opening formed in the upper surface of the smoke exhaust pipeline, a filter box is arranged in the mounting opening, a sealing strip is sleeved on the outer side of the filter box, a filter plate is arranged in the filter box, an activated carbon plate is arranged in the filter box, and a HEPA filter screen is arranged in the filter box.

Further, a smoke inlet is formed in the left side of the filter box, and a smoke outlet is formed in the right side of the filter box.

Further, the sealing strip is kept away from the inner wall laminating of one side and the installing port of straining the box, the last surface fixation of straining the box has the handle.

Further, the installation component is including fixing two risers at exhaust pipe upper surface, two the riser is all fixed with the telescopic link in one side that is on the back of the body, the one end that the riser was kept away from to the telescopic link is fixed with the fly leaf, two the opposite one side of fly leaf is all fixed with the inserted bar, exhaust pipe's inside is fixed with the locating piece, supply filter cartridge male constant head tank has been seted up to the upper surface of locating piece.

Further, the two vertical plates are symmetrically distributed on the left side and the right side of the longitudinal central axis of the filter box, and the filter box is inserted into the positioning groove.

Further, two locating holes for the insertion rod to penetrate are formed in the opposite sides of the vertical plates, and the locating holes are in clearance fit with the insertion rod.

Further, grooves for inserting the inserting rods are formed in the left side and the right side of the filter box, and the inserting rods are inserted into the grooves.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this mechanism of discharging fume has set up filter unit in this mechanism of discharging fume, through mutually supporting between each structure in the filter unit, through setting up filter, activated carbon sheet and HEPA filter screen, has realized the filtration and the purification to flue gas in the exhaust flue, can effectively get rid of impurity and other harmful substance that mix with in the flue gas in the exhaust flue, has guaranteed that the exhaust flue gas accords with emission standard, and then can not cause the influence to the environment, has realized the multistage filtration to the flue gas, has improved the practicality of this mechanism of discharging fume on the whole.

2. This mechanism of discharging fume has set up the installation component in this mechanism of discharging fume, mutually support between each structure in the installation component, through setting up telescopic link and fly leaf, has realized the removal about to the inserted bar, and then has realized fixing and loosening the filter cartridge, has made things convenient for the installation and the dismantlement of follow-up staff to the filter cartridge, provides convenience for follow-up change filter cartridge.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a filter assembly according to the present utility model;

FIG. 3 is a schematic view of a mounting assembly of the present utility model;

fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.

In the figure: 1 smoke exhaust pipeline, 2 fume collecting hood, 3 metal mesh, 4 first exhaust fan, 5 second exhaust fan, 6 filter component, 601 installing port, 602 filter box, 603 sealing strip, 604 filter board, 605 activated carbon board, 606HEPA filter screen, 7 installing component, 701 riser, 702 telescopic link, 703 fly leaf, 704 inserted link, 705 locating piece, 706 constant head tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, a smoke exhaust mechanism in this embodiment includes a smoke exhaust duct 1, a smoke collecting hood 2 is connected to a left end face of the smoke exhaust duct 1, a metal mesh 3 is disposed on a left side of the smoke collecting hood 2, the metal mesh 3 is used for primarily filtering smoke to separate impurities of larger particles in the smoke, a first exhaust fan 4 is installed in the smoke exhaust duct 1, a second exhaust fan 5 is installed in the smoke exhaust duct 1, a filter assembly 6 is disposed on an upper surface of the smoke exhaust duct 1, and an installation assembly 7 is disposed on an upper surface of the smoke exhaust duct 1.

The first exhaust fan 4 and the second exhaust fan 5 are common articles on the market, play a role in sucking the smoke into the smoke exhaust pipeline 1, quicken the flow speed of the smoke, and the first exhaust fan 4 and the second exhaust fan 5 are connected with an external two hundred twenty V power supply.

It should be noted that the components of the present utility model are all common standard components or components known to those skilled in the art, and the structures and principles thereof are all known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 2, in order to perform multistage filtration on flue gas and remove impurities and other harmful substances in the flue gas, the filter assembly 6 in this embodiment includes a mounting port 601 formed on the upper surface of the flue gas duct 1, a filter box 602 is disposed in the mounting port 601, a sealing strip 603 is sleeved outside the filter box 602, a filter plate 604 is disposed in the filter box 602, the flue gas passes through the filter plate 604 first, the filter plate 604 filters impurities with smaller particles in the flue gas first, an activated carbon plate 605 is disposed in the filter box 602, the activated carbon plate 605 performs secondary filtration on the flue gas, the activated carbon plate 605 plays a role of adsorbing toxic, harmful and odorous gases in the flue gas, a HEPA filter 606 is disposed in the filter box 602, and the HEPA filter 606 is mainly used for capturing particle dust with a particle size of more than 0.5 μm and various suspended matters.

The left side of the filter box 602 is provided with a smoke inlet, and the right side of the filter box 602 is provided with a smoke outlet.

One side of sealing strip 603, which is far away from filter box 602, is attached to the inner wall of mounting port 601, sealing strip 603 improves the sealing performance of the joint, the upper surface of filter box 602 is fixed with a handle, and the handle is a common article on the market, and is not repeated in the text.

Referring to fig. 3-4, in order to facilitate the installation and disassembly of the filter box 602, the installation assembly 7 in this embodiment includes two vertical plates 701 fixed on the upper surface of the smoke exhaust pipe 1, one sides of the two vertical plates 701 opposite to each other are fixed with a telescopic rod 702, one end of the telescopic rod 702 away from the vertical plates 701 is fixed with a movable plate 703, one side of the two movable plates 703 opposite to each other is fixed with an inserting rod 704, a positioning block 705 is fixed in the smoke exhaust pipe 1, a positioning slot 706 for inserting the filter box 602 is provided on the upper surface of the positioning block 705, and springs with two sides fixed with the movable plate 703 and the vertical plate 701 are sleeved on the outer surface of the telescopic rod 702.

The two vertical plates 701 are symmetrically distributed on the left side and the right side of the longitudinal central axis of the filter box 602, and the filter box 602 is inserted into the positioning groove 706.

The opposite sides of the two vertical plates 701 are provided with positioning holes for the inserted rods 704 to penetrate, the positioning holes are in clearance fit with the inserted rods 704, and the positioning holes play a role in supporting and positioning the inserted rods 704.

Grooves for inserting the inserted rods 704 are formed in the left side and the right side of the filter box 602, the inserted rods 704 are inserted into the grooves, and after the inserted rods 704 are completely inserted into the grooves, the filter box 602 is fixed inside the mounting opening 601.

It should be noted that, the telescopic rod 702 is composed of a sleeve bin and a moving rod, one end of the moving rod penetrates through and extends to the inside of the sleeve bin, the outside of the moving rod is fixedly connected with a limiting block located in the sleeve bin, a penetrating hole matched with the moving rod is formed in one side of the sleeve bin, the limiting block is arranged, the moving rod is prevented from being separated from the sleeve bin in the moving process, and when the length of the telescopic rod 702 changes, the state of a spring sleeved on the telescopic rod 702 also changes simultaneously.

Standard parts used in the method can be purchased from the market, special-shaped parts can be customized according to description of specifications and drawings, specific connection modes of the parts are conventional means such as mature bolts, rivets and welding in the prior art, machines, parts and equipment are conventional in the prior art, and circuit connection is conventional in the prior art, so that the special-shaped parts are not described in detail.

The working principle of the embodiment is as follows:

(1) When the smoke exhausting mechanism is required to be used for exhausting smoke, firstly, a worker starts the first exhaust fan 4 and the second exhaust fan 5, the smoke is sucked into the smoke collecting hood 2 under the action of the first exhaust fan 4 and the second exhaust fan 5, the metal net 3 is used for primarily filtering the smoke and blocking impurities with larger particles in the smoke, then the smoke enters the smoke exhausting pipeline 1, firstly enters the filter box 602 through the smoke inlet, firstly, the smoke passes through the filter plate 604, the filter plate 604 is used for firstly filtering impurities with smaller particles in the smoke, then the smoke passing through the filter plate 604 reaches the activated carbon plate 605, the activated carbon plate 605 is used for secondarily filtering the smoke, and the activated carbon plate 605 is used for adsorbing toxic, harmful and peculiar smell gases in the smoke.

(2) The flue gas passing through the activated carbon plate 605 passes through the activated carbon plate 605 and then reaches the HEPA filter screen 606, the HEPA filter screen 606 is mainly used for capturing more than 0.5 mu m of particle dust and various suspended matters, the filter has the advantages of high filtering efficiency, low flow resistance and long continuous use time to reduce later cost, after the flue gas is filtered, the flue gas is discharged out of the smoke exhaust pipeline 1 under the action of the second exhaust fan 5, when the filter box 602 needs to be replaced, the movable plate 703 moves in the direction away from the longitudinal central axis of the filter box 602 at the moment, the movable plate 703 moves to drive the inserting rod 704 to move in the direction away from the longitudinal central axis of the filter box 602, the length of the telescopic rod 702 is prolonged, a spring sleeved on the telescopic rod 702 is stretched, and when the inserting rod 704 completely leaves in grooves formed in the left side and the right side of the filter box 602, the handle is held at the moment, the filter box 602 is lifted upwards, and the filter box 602 is separated from the smoke exhaust pipeline 1.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a mechanism of discharging fume, includes exhaust duct (1), its characterized in that: the smoke exhaust device is characterized in that a smoke collecting hood (2) is communicated with the left end face of the smoke exhaust pipeline (1), a metal net (3) is arranged on the left side of the smoke collecting hood (2), a first exhaust fan (4) is arranged in the smoke exhaust pipeline (1), a second exhaust fan (5) is arranged in the smoke exhaust pipeline (1), a filtering component (6) is arranged on the upper surface of the smoke exhaust pipeline (1), and a mounting component (7) is arranged on the upper surface of the smoke exhaust pipeline (1);

the filter assembly (6) comprises a mounting port (601) formed in the upper surface of the smoke exhaust pipeline (1), a filter box (602) is arranged in the mounting port (601), a sealing strip (603) is sleeved on the outer side of the filter box (602), a filter plate (604) is arranged in the filter box (602), an active carbon plate (605) is arranged in the filter box (602), and a HEPA filter screen (606) is arranged in the filter box (602).

2. A smoke evacuation mechanism as claimed in claim 1 wherein: the left side of the filter box (602) is provided with a smoke inlet, and the right side of the filter box (602) is provided with a smoke outlet.

3. A smoke evacuation mechanism as claimed in claim 1 wherein: one side of the sealing strip (603) far away from the filter box (602) is attached to the inner wall of the mounting port (601), and a handle is fixed on the upper surface of the filter box (602).

4. A smoke evacuation mechanism as claimed in claim 1 wherein: the installation component (7) is including fixing two risers (701) at exhaust pipe (1) upper surface, two one side that riser (701) are on the back of the body all is fixed with telescopic link (702), one end that riser (701) was kept away from to telescopic link (702) is fixed with fly leaf (703), two one side that fly leaf (703) are opposite all is fixed with inserted bar (704), the inside of exhaust pipe (1) is fixed with locating piece (705), locating piece (705) upper surface has been seted up and has been supplied filter cartridge (602) male constant head tank (706).

5. The smoke evacuation mechanism of claim 4, wherein: the two vertical plates (701) are symmetrically distributed on the left side and the right side of the longitudinal central axis of the filter box (602), and the filter box (602) is inserted into the positioning groove (706).

6. The smoke evacuation mechanism of claim 4, wherein: positioning holes for the insertion rods (704) to penetrate are formed in the opposite sides of the two vertical plates (701), and the positioning holes are in clearance fit with the insertion rods (704).

7. The smoke evacuation mechanism of claim 4, wherein: grooves for inserting the inserted rods (704) are formed in the left side and the right side of the filter box (602), and the inserted rods (704) are inserted into the grooves.