CN2832272Y

CN2832272Y - Filtering equipment

Info

Publication number: CN2832272Y
Application number: CN 200520059011
Authority: CN
Inventors: 周达
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-05-25
Filing date: 2005-05-25
Publication date: 2006-11-01
Anticipated expiration: 2015-05-25

Abstract

The utility model discloses an oil fume filtering device which comprises at least two filtering plates. The contiguous filtering plates are arranged at intervals face-to-face, and each filtering plate is provided with a plurality of through holes. The through holes on the contiguous filtering plates are in stagger arrangement so as to form a plurality of bending oil fume channels. The utility model can effectively separate the oil fume through condensation and many times of deflection of the wind direction and avoid the direct discharge of the contamination, so that the utility model keeps the cleanliness of the external environment and the cleanliness of the inner part of a fume extractor and effectively prolongs the service life of inner components, such as motors, housings, electric wires, illuminating lamps, etc. In addition, the utility model can keep a duct and the air clean so as to achieve the purposes of high efficiency and safe filtering.

Description

Filter

Technical field

The utility model relates to a kind of filter that is used for filtering oil smoke.

Background technology

When using the smoke evacuation exhaust equipment, particularly use in the smoke exhaust ventilator in the cooking process, lampblack filter is indispensable.It mainly acts on is to filter and separate oil smoke, prevents oil smoke because of directly being discharged in the air, and then may sucked backly again cause big pollution to the field of employment.Because its effect is that oil smoke is separated from air, promptly separates tiny oil droplets and impurity, so the quality of its separating effect decision smoke exhaust ventilator result of use.

In the prior art, the general structure of lampblack filter is, at metallic plate upper cuts such as aluminium, stainless steels, with machine or craft it is pulled into irregular hole then, it is one deck structure, or the double-layer structure that is close together, add in the inside of metallic plates such as aluminium, stainless steel that promptly the aluminium net forms.And outer general hole is big and the nexine hole is very little and it is soft netted to become, its objective is form stream, vortex, the air that makes the oil smoke of carrying under one's arms is during through this filter, heat is absorbed, oil smoke is that tiny oil droplets becomes liquid, separates from air, reaches the purpose of separating oil smoke.The shape of traditional product is tapered such as doing, and generally can unpick and wash.And the inside screen pack is to be made by filament basically, is difficult to clean, and just can only change after use a period of time, adds the big or small irregular and inhomogeneous of hole in man-hour, causes the service behaviour instability, and quality can not guarantee that filter effect is bad, and the cost height will often be changed.

The utility model content

Primary technical problem to be solved in the utility model is, a kind of lampblack filter of good separating effect is provided.

Another technical problem to be solved in the utility model is, a kind of lampblack filter is provided, and it is simple in structure, and cost is low, easily processing, but mechanization is one-time formed.

Another technical problem to be solved in the utility model is, a kind of lampblack filter is provided, it is in light weight, easy cleaning, can wash by hand or use dish washing machine, is easy to disassemble and re-assembly long service life and be difficult for breaking out of fire.

For solving the problems of the technologies described above, the utility model has adopted following technical scheme: a kind of filter is provided, comprise at least two filters, adjacent filter faces each other and is provided with at interval, all have most through holes on each filter, the arrangement interlaced with each other of the position of the through hole on the adjacent filter forms most the oil smoke passages that bend.

In filter described in the utility model, described at least two filters comprise header board and back plate, and through hole forms the oil smoke inlet on the described header board, and the through hole on the plate of described back forms air outlet slit; The top of described back plate is provided with magnet.

In filter described in the utility model, adopt alignment pin to separate between the adjacent filter, described alignment pin is arranged on the double-screw bolt that is installed on the plate of back; Corresponding described double-screw bolt is provided with manual screw, and described manual screw is tightened the back and formed handle on the panel of described header board; The two sides of described through hole is smooth, and described through hole is to be stamped to form.

The utility model at the front end of smoke exhaust ventilator by the two-layer at least and middle plate that separation is arranged, the displacement of the position, hole between the adjacent panels and staggered, can be effectively with turning back of wind direction repeatedly oil smoke be separated by condensation, stop the direct discharging of polluting effectively, the cleaning that has kept external environment condition, and the smoke exhaust ventilator cleaning inside prolongs service life of internal part, effectively such as motor, housing, electric wire, illuminating lamp etc.And conduit and air are kept clean, reach the purpose that highly effective and safe filters.

Description of drawings

Fig. 1 is the structural representation of filter in the utility model;

Fig. 2 be among Fig. 1 A-A to partial sectional view;

Fig. 3 is the structural representation of plate behind the filter in the utility model;

Fig. 4 is the structural representation of filter among another embodiment of the utility model.

The specific embodiment

Below in conjunction with drawings and Examples utility model is described in further details: show filter in preferred embodiment of the utility model as Fig. 1 to Fig. 3, as shown in the figure, it is that to filter flat boards with three be that example describes, it also can be made of two-layer or multilayer curved slab, it mainly is made up of header board 1, middle plate 2 and back plate 3, and certain intervals is arranged therebetween.

Header board 1, middle plate 2 and back plate 3 can be made by metal material, adopt the punching press one-shot forming to be provided with several oil smoke inlets 11 on the header board 1, adopt the punching press one-shot forming to be provided with several road junction 21 excessively on the middle plate 2, adopt the punching press one-shot forming to be provided with several air outlet slits 31 on the back plate 3, the two sides of oil smoke inlet 11, mistake road junction 21 and air outlet slit 31 all is smooth.Oil smoke inlet 11 with cross between the road junction 21 and staggered between road junction 21 and the air outlet slit 31 excessively, the passage that makes several air flow and turn back suddenly, stream to form air, flow air is when flowing to variation suddenly, because action of inertia, the oil smoke of being carried under one's arms in the air (tiny oil droplets) is pulled out away from.Simultaneously,, through sharp keen edge the time, produce the vortex that flows around air flowing owing to oil smoke inlet 11, cross road junction 21 and air outlet slit 31 edges are sharp keen, same because action of inertia, tiny oil droplets is pulled out away from, and finishes filtering oil smoke.

A double-screw bolt 4 fixedly is equipped with on back plate 3 tops, has two alignment pins (not shown) on the double-screw bolt 4, and an alignment pin is separated back plate 3 and middle plate 2; Plate 2 and header board 1 during an alignment pin is separated.On the panel of header board 1, tighten the back as handle by one with the supporting manual screw 5 of double-screw bolt 4 again.Magnet 6 also is equipped with near that face of middle plate 2 in the top of back plate 3.

During the assembling filter device, in plate 2 put together with back plate 3 aligned positions, insert in the groove (not shown) of header board 1 bottom, top just links together with double-screw bolt 4 by manual screw 5, the centre separates with alignment pin, has just become a complete filter.As long as after this filter bottom sticked in the groove of smoke exhaust ventilator bottom, top just directly was adsorbed onto on the lampblack absorber shell at an easy rate.Pull at manual screw 5 when taking off whole device, whole device and lampblack absorber shell are broken away from get final product.And during the plates partition that will lump together, then directly turn on manual screw 5 to these several, and manual screw 5 is separated with double-screw bolt 4, take off each plate successively and get final product.

During use, filter is installed in the air inlet place of smoke exhaust ventilator, because the effect of motor, wind wheel and spiral case in the smoke exhaust ventilator, the air of the oil smoke of carrying under one's arms is sucked from air inlet, pass through the oil smoke inlet 11 of header board 1, the road junction 21 excessively of middle plate 2, the air outlet slit 31 on the plate 3 of back, displacement and staggered generation by the position, hole are streamed and vortex, making oil smoke is that tiny oil droplets is pulled out away from out from air, flow in the oil sump tank in the smoke exhaust ventilator, the air of removing behind the oil smoke flows out from air outlet slit, reach and filter the oil smoke purpose, filter efficiency is very high.

The air that has oil smoke repeatedly changes direction in running, greatly prolonged the distance by filter, reaches filter effect preferably.And the contact-making surface of oil smoke and filter is the plane, do not have impurity and rests on the filter, and is easy to clean.Can be by hand or dish-washing machine clean, and be hard-core service life basically.

Fig. 4 shows the filter among another embodiment of the utility model, and its difference is that shape of through holes is a rectangle on the filter.

For the person of ordinary skill of the art, can make other various corresponding changes and distortion, and all these changes and distortion all should belong to the protection domain of claim of the present invention according to technical scheme of the present invention and technical conceive.

Claims

1. filter, comprise at least two filters, adjacent filter faces each other and is provided with at interval, all has most through holes on each filter, it is characterized in that: the arrangement interlaced with each other of the position of the through hole on the adjacent filter forms most the oil smoke passages that bend.

2. filter according to claim 1 is characterized in that: described at least two filters comprise header board and back plate.

3. filter according to claim 2 is characterized in that: through hole forms the oil smoke inlet on the described header board, and the through hole on the plate of described back forms air outlet slit.

4. filter according to claim 3 is characterized in that: the top of described back plate is provided with magnet.

5. according to each described filter of claim 1 to 4, it is characterized in that: adopt alignment pin to separate between the adjacent filter.

6. filter according to claim 5 is characterized in that: described alignment pin is arranged on the double-screw bolt that is installed on the plate of back.

7. filter according to claim 6 is characterized in that: corresponding described double-screw bolt is provided with manual screw, and described manual screw is tightened the back and formed handle on the panel of described header board.

8. filter according to claim 1 is characterized in that: the two sides of described through hole is smooth.