CN208040273U - A kind of drawing and pulling type replaces the air-filtering window of strainer - Google Patents

Abstract

A kind of drawing and pulling type replaces the air-filtering window of strainer, filter device including shell and enclosure interior, the shell includes outer housing and inner housing, inner housing is located in outer housing, and outer housing inner bottom surface both sides are equipped with the first sliding rail, and inner housing is slidably connected by being fixed on the pulley of lower plate bottom surface both side with the first sliding rail, filter device includes multiple air purifying filter meshs, door closure is equipped on the inside of outer shell chamber, with outer housing bottom by hinge connection, door closure indoor is connected with wind turbine for door closure one end.The air-filtering window that the drawing and pulling type replaces strainer can conveniently be replaced air purifying filter mesh, greatly facilitates people and the later stage of filtering window is cleaned and safeguarded.

Description

A kind of drawing and pulling type replaces the air-filtering window of strainer

Technical field

The utility model is related to the air-filtering windows that air purification field more particularly to a kind of drawing and pulling type replace strainer.

Background technology

With the gradually development of modern industry, the suspended particulate substance (PM2.5 and PM10) in air becomes the head in air Pollutant is wanted, has strong influence to people's health, in general, outside atmosphere pollution is more serious, with life water Flat is gradually increased, and more and more families are equipped with private car or even more than one of one family, so outdoor in city Pollution it is even more serious, in contrast, indoor environment is more closed, using air purifier can by indoor air purification, but It is that door and window is for a long time closed in interior, atmosphere draught-free can also bring people's health harm, and the pollution opened outside door and window room is big Gas is got in, and is also unfavorable for the health of people, therefore it is desirable to maintain the circulation of air while can also reduce room Interior pollution.

Currently, most windows are mainly using glass or gauze as material, gauze window family, while can primarily to ventilation Some macroscopic large particles are isolated, but the pollutant in air generally comprises dust, PM2.5, formaldehyde, bacterium Deng these pollutants can not be isolated for the general all invisible and common gauze window of naked eyes.Also occur in succession on the market Some windows with air-cleaning function, but the filter device in the air purifying windows is either net with air when mounted Change window to be integrally mounted on window, filter device individually can not be cleaned or be replaced, or is mounted on air purification Inside window, when taking-up, is inconvenient, if cleaning can reduce the air purification effect of air purifying windows, and filter device not in time Upper accumulation more dust and pollutant are possible to that interior can be brought into, and are also unfavorable for people's health.

Utility model content

In order to solve the problems, such as that normal air filtering window is inconvenient when replacing filter device, the utility model provides one Kind drawing and pulling type replaces the air-filtering window of strainer, more convenient when replacing filter device, time saving and energy saving.

The technical solution of the utility model is：A kind of drawing and pulling type replaces the air-filtering window of strainer, including shell and shell Internal filter device, the shell include outer housing and inner housing, and opening, the length and height of opening are equipped on the inside of outer shell chamber Degree is all higher than the length and height of inner housing, is reticular structure on the outside of outer shell chamber, inner housing is located in outer housing, inner housing packet Include left plate, right plate and lower plate, the bottom of left plate and right plate is vertically fixed on the left and right two of lower plate upper surface End, outer housing inner bottom surface both sides are equipped with the first sliding rail, and inner housing is slided by the pulley and first for being fixed on lower plate bottom surface both side Rail is slidably connected, and filter device includes multiple air purifying filter meshs, and multiple air purifying filter meshs, which are mutually parallel, is plugged on inner housing Left plate and right plate between, door closure is equipped on the inside of outer shell chamber, door closure one end passes through hinge connection, door with outer housing bottom Lid is reticular structure, and door closure indoor is connected with wind turbine.

Both sides are respectively equipped with the second sliding rail on the vertical direction of the door closure outside, the second sliding rail respectively with the first sliding rail pair It connects, door closure upper end both sides are connect with outer shell chamber inner top side both sides by interconnecting piece respectively.

The interconnecting piece is rope, and the length of rope is 2^ (1/2) times of outer housing height and door closure height sum.

The interconnecting piece includes head rod and the second connecting rod, and head rod one end is connect with door closure, and first connects The extension bar other end is connect by first rotating shaft with one end of the second connecting rod, and the other end of the second connecting rod is connect with outer housing, Head rod and the total length of the second connecting rod be outer housing height and door closure height and 2^ (1/2) times.

The both sides of each air purifying filter mesh are equipped with filtering net fixed device on the inner housing vertical direction, and strainer is fixed Device is the hollow cuboid of a pair arranged in parallel, and the opposite one end of a pair of hollow cuboid is provided with opening, and air is net The both ends for changing strainer are located in two openings.

Each air purifying filter mesh edge is equipped with fixed frame, and fixed frame includes that the first fixed frame and second are fixed Frame, one end of the first fixed frame are connect with one end of the second fixed frame by the second shaft, the first fixed frame and the second fixed frame Shape size is identical, and air purifying filter mesh is inserted in by fixed frame in opening.

First fixed frame is equipped with anti-skid bulge on the face opposite with the second fixed frame, anti-skidding on the first fixed frame Protrusion is staggered with the anti-skid bulge on the second fixed frame and air purifying filter mesh is held on the first fixed frame to be consolidated with second Between determining frame, anti-skid bulge is rubber material.

Air-intake device is equipped on the outside of the outer shell chamber, air-intake device includes being fixed on left and right ends on the outside of outer shell chamber Left vertical beam and right vertical beam and multiple blades arranged at equal interval in vertical direction between left vertical beam and right vertical beam, it is multiple Blade is connect with left vertical beam and right vertical beam by third shaft respectively, and multiple third shafts are electric with fixed driving in outer housing Machine connects, and driving motor is connect with the switching knob on outer shell chamber inside, and the spacing between adjacent blades is equal to the width of blade Degree.

It is equipped with exhaust apparatus on the inside of the outer shell chamber, the exhaust apparatus is multiple wind turbines, in outer shell chamber on side Lower both ends are equipped with groove, and wind turbine is equipped with close to outdoor side upper and lower ends attracts protrusion, and it is magnetic to attract protrusion and groove surfaces Property material, two on wind turbine attract protrusion to be located in two grooves of outer housing.

The utility model has the beneficial effects that：

1. the air-filtering window that the drawing and pulling type replaces strainer can conveniently be replaced air purifying filter mesh, pole The big people that facilitate cleaned and safeguard to the later stage of filtering window.Air purifying filter mesh is plugged in inner housing, using grafting Mode has great convenience for the user to clean or replace air purifying filter mesh, replacement is made to become more convenient.

2. outer housing and inner housing are reticular structure, the setting of reticular structure can be by sundries in outdoor air and big Particulate matter is tentatively filtered, and large particle is avoided to enter the blocking for causing filtering window in the filtering window, and the aperture of inner housing is small In the aperture of outer housing, classified filtering can be carried out to outdoor sundries and large particle, improve filter effect.

3. the interconnecting piece on door closure can make the bottom of door closure and outer housing be maintained at the same horizontal plane, inner housing is made to slide It is more easily and steady when going out.First sliding rail on outer housing, the second sliding rail and inner housing top sheave are used cooperatively on door closure, can So that inner housing is lighter when being pulled out from outer housing, time saving and energy saving, the wind turbine of door closure indoor can promote outdoor sky Gas is got in, can also be in fresh air suction chamber that will be outdoor even if outdoor is without larger wind-force.

Description of the drawings

The utility model is further illustrated with reference to the accompanying drawings and examples.

Fig. 1 is the utility model side structure schematic view.

Fig. 2 is the utility model overlooking structure diagram.

Fig. 3 is a kind of example structure schematic diagram of the utility model interconnecting piece.

Fig. 4 is the utility model interconnecting piece another kind example structure schematic diagram.

Fig. 5 is the utility model fixed frame structural schematic diagram.

Fig. 6 is the utility model outdoor side structure schematic diagram.

Fig. 7 is the utility model indoor structural schematic diagram.

Fig. 8 is structural schematic diagram when the utility model is packed up.

In figure, 1. outer housings, 2. inner housings, 3. first sliding rails, 4. pulleys, 5. air purifying filter meshs, 6. door closures, 7. close Page, 8. second sliding rails, 9. ropes, 10. head rods, 11. second connecting rods, 12. first rotating shafts, 13. hollow cuboids, 14. opening, 15. first fixed frames, 16. second fixed frames, 17. second shafts, 18. anti-skid bulges, 19. left vertical beams, 20. is right Vertical beam, 21. blades, 22. third shafts, 23. driving motors, 24. switching knobs, 25. wind turbines, 26. grooves, 27. attractions are convex It rises.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, shall fall within the protection scope of the present invention.

Embodiment one：

As shown in Figure 1, Figure 2 and Figure 3, a kind of drawing and pulling type replaces the air-filtering window of strainer, including shell and enclosure interior Filter device, the shell includes outer housing 1 and inner housing 2, and 1 indoor of outer housing is equipped with opening, the length and height of opening Degree is all higher than the length and height of inner housing 2, and 1 outside of outer housing is reticular structure, and inner housing 2 is located in outer housing 1, inner casing Body 2 includes left plate, right plate and lower plate, and the bottom of left plate and right plate is vertically fixed on a left side for lower plate upper surface Right both ends, 1 inner bottom surface both sides of outer housing are equipped with the first sliding rail 3, and inner housing 2 is by being fixed on the pulley 4 of lower plate bottom surface both side It is slidably connected with the first sliding rail 3, filter device includes multiple air purifying filter meshs 5, and multiple air purifying filter meshs 5 are mutually parallel slotting It is connected between the left plate and right plate of inner housing 2,1 indoor of outer housing is equipped with door closure 6,6 one end of door closure and 1 bottom of outer housing It is connected by hinge 7, door closure 6 is reticular structure, and 6 indoor of door closure is connected with wind turbine 25.

Both sides are respectively equipped with the second sliding rail 8 on 6 outside vertical direction of the door closure, and the second sliding rail 8 is slided with first respectively Rail 3 docks, and 6 upper end both sides of door closure are connect with 1 indoor upper end both sides of outer housing by interconnecting piece respectively.

The interconnecting piece is rope 9, and the length of rope 9 is 2^ (1/2) times of 6 height sum of 1 height of outer housing and door closure.

The air-filtering window that the drawing and pulling type replaces strainer is installed on the wall of window upper end or on the wall of window lower end, It is installed after the wall of window upper end or lower end need to being removed.When needing outdoor fresh air to get in, wind is opened Machine 25, you can suck outdoor air, outdoor air is by air purifying filter mesh 5, and air purifying filter mesh 5 is by outdoor entrance Air be filtered, so that the outdoor air of fresh clean is got in.When air purifying filter mesh 5 after a period of use, need When air purifying filter mesh 5 being cleaned or be replaced, door closure 6 is opened, the upper end of the movable end and outer housing 1 of door closure 6 passes through The form of drawer-lock connects, and drawer-lock is the prior art, is not described in detail herein, and only drawing-out type drawer is needed to lock when opening door closure 6, i.e., Door closure 6 can be opened, rope 9 door closure 6 is fixed to it is parallel with 1 bottom of outer housing, by inner housing 2 from first on outer housing 1 It is pulled in sliding rail 3 on the second sliding rail 8 on door closure 6, the multiple air purifying filter meshs 5 being plugged in inner housing 2 is taken out, by air Purification strainer 5 is cleaned or is replaced, then clean air purifying filter mesh 5 is inserted into inner housing 2, inner housing 2 is promoted outer In shell 1, it is closed door closure 6.

The air-filtering window that the drawing and pulling type replaces strainer can conveniently be replaced air purifying filter mesh 5, pole The big people that facilitate cleaned and safeguard to the later stage of filtering window.Air purifying filter mesh 5 is plugged in inner housing 2, using grafting Mode, have great convenience for the user clean or replace air purifying filter mesh 5, so that replacement is become more convenient, each air is net It can be the air filter screen for having different air-cleaning functions to change strainer 5, and an air-filtering window can be made to have Multiple air Filter effect can also be air filter screen with the same function, air-filtering window can be made to reach the thorough of the filtering function Filter effect is arranged around single air purifying filter mesh 5 there may be gap, once can not thoroughly purify air, Duo Gekong Air can be filtered for multiple times for gas purification strainer 5, reach better air purification effect.Outer housing 1 and inner housing 2 are equal For reticular structure, the setting of reticular structure can by outdoor air sundries and large particle tentatively filtered, avoid greatly Particulate matter enters the blocking that filtering window is caused in the filtering window, and the aperture of inner housing 2 is less than the aperture of outer housing 1, can be to room Outer sundries and large particle carry out classified filtering, improve filter effect.Interconnecting piece on door closure 6 can make door closure 6 and shell The bottom of body 1 is maintained at the same horizontal plane, more easily and steady when inner housing 2 being made to skid off.First sliding rail 3 on outer housing 1, Second sliding rail 8 and 2 top sheave 4 of inner housing are used cooperatively on door closure 6, when inner housing 2 can be made to be pulled out from outer housing 1 more Easily, time saving and energy saving, the wind turbine 25 of 6 indoor of door closure can promote outdoor air to get in, even if outdoor is without larger When wind-force, when there is larger wind-force in outdoor, unlatching wind turbine can also be may not need by outdoor fresh air suction chamber 25, so that wind is blown into naturally, saves electric power.

Embodiment two：

As shown in figure 4, the interconnecting piece includes head rod 10 and the second connecting rod 11,10 one end of head rod with Door closure 6 connects, and 10 other end of head rod is connect by first rotating shaft 12 with one end of the second connecting rod 11, the second connecting rod 11 other end is connect with outer housing 1, and the total length of head rod 10 and the second connecting rod 11 is 1 height of outer housing and door closure The 2^ (1/2) of 6 height sums times.

When needing to pull out inner housing 2 from outer housing 1, door closure 6, head rod 10 and the second connecting rod 11 are opened It trails and door closure 6 and the bottom surface of outer housing 1 is made to be maintained at the same horizontal plane, keep inner housing 2 light from outer housing 1 Smoothly skid off.The setting of head rod 10 and the second connecting rod 11 can be such that the fixation of door closure 6 more stablizes, while close It more convenient can be packed up when closing door closure 6, packs up the fixation that rear head rod 10 and the second connecting rod 11 can be in outer housings 1 Position does not interfere with other components.

Embodiment three：

As shown in Figure 2 and Figure 5, the both sides of each air purifying filter mesh 5 are equipped with filter on 2 vertical direction of the inner housing Net fixing device, filtering net fixed device are the hollow cuboid 13 of a pair arranged in parallel, and a pair of hollow cuboid 13 is opposite One end be provided with opening 14, the both ends of air purifying filter mesh 5 are located in two openings 14.

5 edge of each air purifying filter mesh is equipped with fixed frame, and fixed frame includes the first fixed frame 15 and second Fixed frame 16, one end of the first fixed frame 15 are connect with one end of the second fixed frame 16 by the second shaft 17, the first fixed frame 15 is identical as 16 shape size of the second fixed frame, and air purifying filter mesh 5 is inserted in by fixed frame in opening 14.

Anti-skid bulge 18, the first fixed frame 15 are equipped on the face opposite with the second fixed frame 16 of first fixed frame 15 On anti-skid bulge 18 and the second fixed frame 16 on anti-skid bulge 18 be staggered and air purifying filter mesh 5 be held on Between one fixed frame 15 and the second fixed frame 16, anti-skid bulge 18 is rubber material.

Door closure 6 is opened, inner housing 2 is pulled out, air purifying filter mesh 5 is taken from filtering net fixed device together together with fixed frame Go out, open the first fixed frame 15 and the second fixed frame 16, take out the air purifying filter mesh 5 of sandwich, only air purification is filtered Net 5 is cleaned or is replaced, and the first fixed frame 15 and the second fixed frame 16 are placed into after the cleaning of air purifying filter mesh 5 or replacement In, it is placed into filtering net fixed device after being closed the first fixed frame 15 and the second fixed frame 16.

Air purifying filter mesh 5 and fixed frame can be integrally formed, after air purifying filter mesh 5 and fixed frame are pulled out It is directly cleaned or is replaced and be inserted into filtering net fixed device, multiple integrally formed air purifying filter meshs 5 can also be configured And fixed frame, it can directly replace after being taken out in shell 1, conveniently save trouble.

Being used cooperatively for filtering net fixed device and fixed frame, can be such that air purifying filter mesh 5 is easily drawn from inner housing 2 Go out, and without being dismantled to entire air-filtering window, conveniently saves trouble, save a large amount of time and manpower.First fixes Frame 15 and the second fixed frame 16 can fix air purifying filter mesh 5 when being closed, and opening can easily take air purifying filter mesh 5 Go out, substantially increases convenience of the air purifying filter mesh 5 in terms of replacement, and user can be according to the sky of oneself location Makings amount selects the air purifying filter mesh 5 of suitable type, and only needing size to meet the first fixed frame 15 and the second fixed frame 16 can incite somebody to action It is fixed, in the selection of air purifying filter mesh 5 more freely, more targetedly.First fixed frame 15 and second Antislip ring 11 on fixed frame 16 can enhance the first fixed frame 15 and the second fixed frame 16 and be imitated to the fixed of air purifying filter mesh 5 Fruit, multiple air purifying filter meshs 5, which are arranged, can play better filter effect.

Example IV：

As shown in Figure 6 and Figure 8,1 outside of the outer housing is equipped with air-intake device, and air-intake device includes being fixed on outer housing The left vertical beam 19 and right vertical beam 20 of 1 outside left and right ends and between left vertical beam 19 and right vertical beam 20 in vertical direction Multiple blades 21 arranged at equal interval, multiple blades 21 are connect with left vertical beam 19 and right vertical beam 20 by third shaft 22 respectively, Multiple third shafts 22 are connect with fixed driving motor 23 in outer housing 1, on driving motor 23 and 1 indoor of outer housing Switching knob 24 connect, the spacing between adjacent blades 21 is equal to the width of blade 21.

When needing using the air-filtering window, open driving motor 23, switching knob 24 is threaded to from 90 degree 30 degree, 45 degree or 60 degree, intake that can be as needed selects corresponding angle, when needing smaller intake, can will switch Knob 24 is threaded to 60 degree, when needing larger intake, can switching knob 24 be threaded to 30 degree, when need not use this can When being switched fast the air-filtering window of strainer, switching knob 24 to 90 is spent, closes driving motor 23.

Blade 21 from horizontal direction different angles can meet different user different time different air inlet demands, when When blade 21 is from the horizontal by 90 degree of angles, i.e., 1 inside of outer housing is separated with outdoor, play the role of baffle, avoid Outdoor dust etc. is set to enter in outer housing 1 when the air-filtering window is not used.

Embodiment five：

As shown in Figure 7 and Figure 8, exhaust apparatus is equipped on the inside of the outer shell chamber, the exhaust apparatus is multiple wind turbines 25, Side upper and lower ends are equipped with groove 26 in outer housing Room 1, and wind turbine 25 is equipped with close to outdoor side upper and lower ends attracts protrusion 27, It is magnetic material to attract protrusion 27 and 26 surface of groove, and two on wind turbine 25 attract protrusion 27 to be located at outer housing 1 Two grooves 26 in.

It is when the outdoor cleaned air of needs is got in, and indoor air is made to be recycled, the attraction on wind turbine 25 is convex It plays 27 to be inserted into the groove 26 on door closure 6 respectively, it is magnetic material to attract protrusion 27 and 26 surface of groove, passes through magnetic phase Mutually attract, wind turbine 25 is fixed on the indoor of door closure 6, when that need not use wind turbine 25, can exert oneself will be on wind turbine 25 Attraction protrusion 27 taken out from the groove 26 on door closure 6, and then wind turbine 25 is removed from door closure 6, it is a large amount of outdoor when needing When cleaned air is got in, multiple wind turbines 25 can be arranged in order and be fixed on door closure 6, according to the different demands of air quantity, The wind turbine 25 of different number can be fixed on door closure 6.

Magnetic attraction protrusion 27 on wind turbine 25 is used cooperatively with magnetic groove 26 on door closure 6, can not only make wind Machine 25 is stably fixed on door closure 6, can also flexibly be dismantled, and can be according to the different demands of user in shell The wind turbine 25 of side setting different number, more flexible in use, more hommization in body Room 1.

It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.

In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand To indicate or implying its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ", The feature of " second " can explicitly or implicitly include at least one of the features.Technical solution between each embodiment can be with It is combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when phase occurs in the combination of technical solution Mutual contradiction or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection of the requires of the utility model Within the scope of.

Claims (9)

1. a kind of drawing and pulling type replaces the air-filtering window of strainer, include the filter device of shell and enclosure interior, which is characterized in that The shell includes outer housing (1) and inner housing (2), and outer housing (1) indoor is equipped with opening, and the length and height of opening are big In the length and height of inner housing (2), outer housing (1) outside is reticular structure, and inner housing (2) is located in outer housing (1), interior Shell (2) includes left plate, right plate and lower plate, and the bottom of left plate and right plate is vertically fixed on lower plate upper surface Left and right ends, outer housing (1) inner bottom surface both sides be equipped with the first sliding rail (3), inner housing (2) is by being fixed on lower plate bottom surface two The pulley (4) of side is slidably connected with the first sliding rail (3), and filter device includes multiple air purifying filter meshs (5), multiple air purification Strainer (5) is mutually parallel between the left plate and right plate for being plugged on inner housing (2), and outer housing (1) indoor is equipped with door closure (6), door closure (6) one end is connect with outer housing (1) bottom by hinge (7), and door closure (6) is reticular structure, door closure (6) indoor It is connected with wind turbine (25).

2. a kind of drawing and pulling type according to claim 1 replaces the air-filtering window of strainer, which is characterized in that the door closure (6) both sides are respectively equipped with the second sliding rail (8) on the vertical direction of outside, and the second sliding rail (8) is docked with the first sliding rail (3) respectively, Door closure (6) upper end both sides are connect with outer housing (1) indoor upper end both sides by interconnecting piece respectively.

3. a kind of drawing and pulling type according to claim 2 replaces the air-filtering window of strainer, which is characterized in that the interconnecting piece For rope (9), the length of rope (9) be outer housing (1) highly with the 2^ (1/2) of door closure (6) highly sum times.

4. a kind of drawing and pulling type according to claim 2 replaces the air-filtering window of strainer, which is characterized in that the interconnecting piece Including head rod (10) and the second connecting rod (11), head rod (10) one end is connect with door closure (6), head rod (10) other end is connect by first rotating shaft (12) with one end of the second connecting rod (11), the other end of the second connecting rod (11) with Outer housing (1) connects, the total length of head rod (10) and the second connecting rod (11) be outer housing (1) highly with door closure (6) 2^ (1/2) times of height sum.

5. a kind of drawing and pulling type according to claim 1 replaces the air-filtering window of strainer, which is characterized in that the inner housing (2) both sides of each air purifying filter mesh (5) are equipped with filtering net fixed device on vertical direction, and filtering net fixed device is mutually flat The hollow cuboid (13) of a pair of row setting, the opposite one end of a pair of hollow cuboid (13) are provided with opening (14), and air is net The both ends for changing strainer (5) are located in two openings (14).

6. a kind of drawing and pulling type according to claim 5 replaces the air-filtering window of strainer, which is characterized in that each sky Gas purification strainer (5) edge is equipped with fixed frame, and fixed frame includes the first fixed frame (15) and the second fixed frame (16), and first One end of fixed frame (15) is connect with one end of the second fixed frame (16) by the second shaft (17), the first fixed frame (15) and the Two fixed frames (16) shape size is identical, and air purifying filter mesh (5) is inserted in by fixed frame in opening (14).

7. a kind of drawing and pulling type according to claim 6 replaces the air-filtering window of strainer, which is characterized in that described first is solid Determine to be equipped with anti-skid bulge (18) on frame (15) and the opposite face of the second fixed frame (16), it is anti-skidding convex on the first fixed frame (15) It plays (18) and is staggered with the anti-skid bulge (18) on the second fixed frame (16) and air purifying filter mesh (5) is held on first and consolidate Determine between frame (15) and the second fixed frame (16), anti-skid bulge (18) is rubber material.

8. a kind of drawing and pulling type according to claim 1 replaces the air-filtering window of strainer, which is characterized in that the outer housing (1) outside be equipped with air-intake device, air-intake device include be fixed on outer housing (1) outside left and right ends left vertical beam (19) and Right vertical beam (20) and multiple blades arranged at equal interval in vertical direction between left vertical beam (19) and right vertical beam (20) (21), multiple blades (21) are connect with left vertical beam (19) and right vertical beam (20) by third shaft (22) respectively, and multiple thirds turn Axis (22) is connect with fixed driving motor (23) in outer housing (1), on driving motor (23) and outer housing (1) indoor Switching knob (24) connects, and the spacing between adjacent blades (21) is equal to the width of blade (21).

9. a kind of drawing and pulling type according to claim 1 replaces the air-filtering window of strainer, which is characterized in that the outer housing (1) indoor is equipped with exhaust apparatus, and the exhaust apparatus is multiple wind turbines (25), and outer housing (1) interior side upper and lower ends are set Fluted (26), wind turbine (25) is equipped with close to outdoor side upper and lower ends attracts raised (27), attracts raised (27) and groove (26) surface is magnetic material, and two attractions raised (27) on wind turbine (25) are located at two grooves of outer housing (1) (26) in.