A kind of air purifier
Technical field
The invention belongs to technical field of air purification, relate to air purifier, refer in particular to a kind of air purifier.
Background technology
Air purifier is mainly used in indoor air purification, and air is inhaled by blower fan or sends into depurator by it, flows through air filter, filters out the particulate matters such as dust in air, and after purifying, air is sent by blower fan again.
From a structural point, air purifier mainly includes shell and the air filter unit being arranged in shell and fan unit, for air filter unit, present highly preferred mainstream scheme is, (tubular, one end are closed to use filter cylinder, one end open, sidewall is enclosed by least one of which filtering material and forms) as the critical piece of unit, or it is furnished with other filter screen.Fan unit includes airtight blower fan storehouse, and is arranged on blower fan storehouse inner blower, and blower fan storehouse is arranged on the open side of filter cylinder, and blower fan storehouse inner chamber is connected by closed channel with filter cylinder inner chamber, and fan outlet connects through blower fan bulkhead with air supply duct.
Although existing depurator is the most outstanding at aspects such as filter efficiency, mechanical stability against short circuit, service lifes, but for improving purification efficiency, extending defecator service life, outdoor rain-proof, the cost of saving body, facilitate the dismounting of body to safeguard, facilitate the installation of body, improve filtering material and cartridge structure composition, increasing effective filtration area, optimize shell structure, simplify internal structure, optimize the assembling mode of enclosure interior parts, the aspect such as volume of reduction body, still have wide innovative space.
Summary of the invention
It is an object of the invention on the basis of existing air purifier, propose a kind of construct for the existing depurator of equal air quantity and purification efficiency simpler, the air purifier that more compact structure, cost are lower.
For realizing above-mentioned purpose, the present invention is by the following technical solutions: a kind of air purifier, including housing and the filter cylinder being arranged in housing, blower fan, housing is provided with depurator air inlet and depurator air outlet, it is characterised in that described cartridge open end is provided with block parts, block parts seal with cartridge open end, blower fan is arranged in filter cylinder, and blower fan fixes with block parts, and fan outlet connects with depurator air outlet.
Further, region corresponding with cartridge openings on described block parts offering a vent, fan outlet docks with described vent seal.Preferably, described fan outlet is provided with flange, is bolted fixing between flange and block parts, is provided with closed loop sealing gasket around vent between flange and block parts.
Selecting as one, filter cylinder is arranged on block parts in the way of down by opening.
Selecting as one, described filter cylinder is pressed abd fixed on block parts from top down by housing, and block parts are provided with and limit the position limiting structure that filter cylinder horizontal stroke is movable, and filter cylinder and the block parts place of offseting are provided with closed loop sealing gasket.During installing filter drum, filter cylinder is directed at installation site and directly rests on block parts, then pushed down by housing end face.During dismounting filter cylinder, remove compressing of housing end face correspondence filter cylinder, filter cylinder can be taken off by nature.
Further, it is provided with elastic insert between described cartridge top portion and case end face.
Preferably, described block parts are provided with annular stile protruding upward, and filter cylinder lower end is provided with the most recessed annular groove around opening one circle, are provided with sealing strip in annular groove, along inserting annular groove and compressing sealing strip on annular stile.Use stile and fit depressions structure, on the one hand, sealing and spacing dual-use function can be had concurrently, kill two birds with one stone, on the other hand, sealing strip is directly embedded into groove i.e., it is not necessary to be adhesively fixed, the third aspect, along crush seal bar on stile, sealing effectiveness is better than plane crush seal.
Preferably, described block parts are plate-shaped member, are horizontally disposed with.Described annular stile is the flange that block edge-of-part flips up formation.Use turnup structure, can directly punch forming, it is not necessary to the annular stile of welding separately.
Being not in contact with each other between described blower fan and filter cylinder and be also not connected with, being not in contact with each other between described block parts and case is also not connected with.Described filter cylinder remaining position in addition to end face does not contact with case and is also not connected with.
Preferably, described housing is made up of case and base plate, and base plate detachably couples with case;
Further, it is bolted between described case and base plate.Specifically, described casing base edge of opening end face is provided with the nut embedded hole extended upwardly into, and nut embedded hole is embedded with nut, and base plate arranges through hole at corresponding nut embedded hole, and bolt passes from through hole and screws in nut.
Selecting as one, described block parts are the base plate of housing, and the vent on block parts is depurator air outlet.
Further, described base plate bottom surface is provided with a spike, and for fixing the installing hole of body.To facilitate depurator to be placed on equipment platform, or it is fixed on tripod.
The present invention has the beneficial effects that:
One, in blower fan is built in filter cylinder, on the one hand, eliminate the design in independent blower fan storehouse, decreases depurator content space and take.Not only it is beneficial to complete machine miniaturization, decreases complete machine weight, outdoor mounted of being more convenient for operation, also simplify structure, decrease material cost.On the other hand, blower fan is no longer interfere with the expansion of filter cartridge size, beneficially filter cylinder and makes full use of depurator inner space, it is achieved bigger effective filtration area;
Two, in blower fan is arranged at filter cylinder, when changeing or keep in repair blower fan, remove case, naturally take off filter cylinder, outside blower fan is exposed to, be highly convenient for the operations such as the dismounting of blower fan, maintenance the most comprehensively;
Three, filter cylinder uses and is fixed mode from the top down, does not has bolt, does not set bayonet socket, and when changing filter cylinder, after removing case, filter cylinder can take off naturally, does not has any frictional resistance, easily changes filter cylinder.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of a kind of concrete structure of depurator of the present invention.
Fig. 2 is depurator front sectional elevation shown in Fig. 1.
Fig. 3 is depurator side cutaway view shown in Fig. 1.
Fig. 4 is depurator upward view shown in Fig. 1.
Detailed description of the invention
With an instantiation, the construction features of air purifier of the present invention is made further instructions below in conjunction with the accompanying drawings.
With reference to Fig. 1-4, this example air purifier, it is made up of case 1, filter cylinder 2, blower fan 3, four parts of base.Base includes that the upper strata dividing plate as block parts and the base plate of lower floor, filter cylinder 2 and blower fan 3 are arranged on base dividing plate 41, and motor 3 is covered in the inner by filter cylinder 2;Case 1 is from the top down by the whole component covers in addition to base plate 42 in the inner.
Case integrated injection molding, lower ending opening, remaining place is totally-enclosed, and integral seamless is up-small and down-big, and the overall rectangular eight rib rectangular cone cylinder shape that falls in corner, case end face is smooth, and roof inner face sets reinforcement, and sidewall has been provided with the rib of booster action.Casing base edge of opening thickeies, and increases case bulk strength.
Case lower ending opening is the rectangle of corner chamfer, on the end face of casing base edge of opening, sets six vertical blind holes altogether in the middle part of corresponding corner and long limit, one nut of setting-in in each vertical blind hole.On base plate 42, six vertical blind holes of corresponding casing base set six through holes, and six bolts are upwards each passed through each through hole are connected with blind hole inner nut from following.
Position to the left, base plate 42 center arranges a circular air outlet 421, and circular air outlet 421 is arranged around four airduct connecting holes, for installing the joint of air supply duct.In including a square region containing circular air outlet on base plate, avoiding circular air outlet and the position of airduct connecting hole, with a large amount of waist holes 422 of array arrangement, depurator is internal to be connected by these a large amount of waist holes 422 with outside.These a large amount of waist holes are the air inlet of depurator.
Substrate is correspondingly arranged the square region both sides of air inlet and respectively sets a reinforcement, described reinforcement be cross section be the slot type strip of n shape, every reinforcement is bolted on base plate by two.
On dividing plate 41, the position of the most corresponding circular air outlet 421 is provided with a square vent 411, and the edge of dividing plate 41 flips up formation annular stile.
Dividing plate is parallel to each other with base plate, and, passes through and be only connected by one section of straight pipe 43 being vertically arranged between dividing plate with base plate between dividing plate and base plate at a distance.
Straight pipe 43 square vent 411 suitable for reading and on dividing plate docks, and straight pipe edge suitable for reading encloses by the way of full weld around square vent one, is connected with bulkhead seal and fixes;Straight pipe 43 end opening docks with the circular air outlet 421 on base plate, and straight pipe end opening edge encloses by the way of full weld around circular air outlet one, is tightly connected with base plate and fixes.
Without annexation between dividing plate and case.Gap is left between dividing plate and case.Gap between filter cylinder side and case communicates with the space between two-layer base plate up and down.
Filter cylinder 2 is the long square tube that there is Rouno Cormer Pregrinding Wheel corner, upper end cover 201 is closed, bottom end cover 202 middle opening, and middle filter element includes three layer filtration structure, it is respectively outer layer and slightly imitates effect filtering layer 21, the efficient filtering layer of internal layer 22 in filtering layer 24, middle level, within three layer filtration layer, also have passive net cylinder 23.
Setting downwardly open groove around bottom end cover one circle outside filter cylinder bottom end cover, groove is embedded in sealing strip 25.Slot opening the most just annular stile to separator edge downwards.
Set sponge bed course 5 between filter cylinder upper end cover and case, cover case, case top down extruding sponge bed course 5, indirectly promote filter cylinder to extrude to dividing plate.The upper edge of the annular stile of separator edge to the counteracting force of filter cylinder by sealing strip crimp, it is achieved seal.
Filter cylinder is in addition to interacting with case by sponge bed course, with case without other annexations.
Blower fan 3 is common centrifugal blower, blower fan is arranged in the way of down by air outlet, air inlet is on the side, square fan outlet docks with square vent 411 downwardly over from dividing plate, be provided with flange at fan outlet, blower fan by and be only bolted to connection with dividing plate by the flange of air outlet.Set sealing gasket between flange and dividing plate to seal.Without annexation between blower fan and filter cylinder.
The work process of above-mentioned air purifier: under fan action, extraneous air enters into inside depurator from the air inlet of lower shoe, then direction surrounding dispersion under dividing plate, then is upwardly in the gap of filter cylinder and case.Entering filter cylinder and inwardly successively pass through three layer filtration layer with the air in case gap from surrounding, filter enters cartridge interior.Finally, cartridge interior enters air supply duct from depurator air outlet through the clean air filtered after blower fan, straight pipe and sends into indoor.