CN210278588U - Air filter - Google Patents

Abstract

The utility model relates to an air filter, the camera includes a supporting plate, tuber pipe and fan, tuber pipe one end is connected with the backup pad and with the coaxial setting of backup pad, be provided with a plurality of wind gaps on the tuber pipe, the fan sets up the one end of keeping away from the backup pad at the tuber pipe, be provided with all to be cylindric and cup joint the primary filter together in proper order in the backup pad, medium efficiency filter and high efficiency filter, the device during operation, the fan is rotatory in the tuber pipe makes the interior negative pressure that produces of tuber pipe with original air escape tuber pipe in the tuber pipe, indoor air gets into in the primary filter from the whole periphery wall of primary filter under the effect of pressure differential, air is in proper order through primary filter, medium efficiency filter and high efficiency filter, last air gets into in the tuber pipe through the wind gap on the tuber pipe to send out the tuber pipe from the upper portion of tuber pipe by the, And a larger air inlet area.

Description

Air filter

Technical Field

The utility model belongs to the technical field of air purification's technique and specifically relates to an air cleaner is related to.

Background

The air filter is an air filtering device, is generally used for clean workshops, clean plants, laboratories and clean rooms, or is used for dust prevention of electronic mechanical communication equipment and the like, and is provided with a primary filter, a medium-efficiency filter and a high-efficiency filter, wherein the various types have different standards, use efficiencies and filtering levels, the air is usually matched and used together for various types when being filtered, and the air sequentially passes through the primary filter, the medium-efficiency filter and the high-efficiency filter to complete the filtration of the air.

The Chinese patent with the publication number of CN208426790U discloses a high-efficiency filter, which comprises a shell, a bracket, a fixed base, a spring ring and a fixed device, the bracket is arranged in the shell, the fixed base is detachably arranged in the bracket, the inner side of the fixed base is provided with a primary filter, a medium-efficiency filter screen, a sub-high-efficiency filter and a high-efficiency filter, the primary filter, the middle-effect filter screen, the sub-high-effect filter and the high-effect filter are provided with fixing devices between the fixing base and the high-effect filter, the fixing device is detachably connected on the fixing base, the inner side of the fixing device is provided with a convex block, the outer side of the convex block is provided with a spring ring, above-mentioned technical scheme passes through fixing device's use for simple structure is dismantled in the installation, has improved work efficiency, has reduced the input of manpower, and the use of cost is reduced makes things convenient for people's use, is fit for using widely.

However, the filter screen of the technical scheme is rectangular, and occupies a large area, so that the volume of the high-efficiency filter is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a filter that volume is littleer.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an air filter, includes backup pad, tuber pipe and fan, the backup pad sets up to discoid, tuber pipe one end with the backup pad connect and with the coaxial setting of backup pad, be provided with a plurality of wind gaps on the tuber pipe, the one end of backup pad is kept away from at the tuber pipe to the fan setting, be provided with in the backup pad and all be cylindric primary filter, medium efficiency filter and high efficiency filter, high efficiency filter cup joints outside the tuber pipe, medium efficiency filter cup joints outside the high efficiency filter, primary filter cup joints outside the high efficiency filter.

By adopting the technical scheme, the fan rotates in the tuber pipe to discharge the original air in the tuber pipe out of the tuber pipe to generate negative pressure in the tuber pipe, indoor air enters the primary filter from the whole peripheral wall of the primary filter under the action of pressure difference, when the air passes through the primary filter, the primary filter filters dust particles in the air, the air enters the intermediate filter through the peripheral wall of the intermediate filter screen after passing through the primary filter to be filtered, the intermediate filter filters particle dust in the air, the air enters the high-efficiency filter through the peripheral wall of the high-efficiency filter after passing through the intermediate filter screen to be filtered, the high-efficiency filter filters various suspended matters in the air, finally, the air enters the tuber pipe through an air opening in the tuber pipe and is sent out of the tuber pipe from the upper part of the tuber pipe by the fan, so, the primary filter, the air in the annular arrangement, Compared with the flat-plate type filter screen in the prior art, the medium-efficiency filter and the high-efficiency filter have smaller volume, so that the volume of the whole filter is reduced, and the whole primary filter is used as an air inlet and has larger air inlet area.

The utility model discloses further set up to: the primary filter, the medium-efficiency filter and the high-efficiency filter all comprise filter elements, an upper cover plate and a lower cover plate, the upper cover plate and the lower cover plate are all arranged in an annular shape, the upper cover plate and the lower cover plate are coaxially arranged, and the filter elements are arranged between the upper cover plate and the lower cover plate.

Through adopting above-mentioned technical scheme, the upper cover plate sets up to the annular with apron down, can realize cup jointing between tuber pipe, primary filter, well effect filter screen and the high efficiency filter like this to at the upper cover plate with set up the check between the apron down and keep off but directly set up the filter core, the air can not receive other resistances and reduce the velocity of flow of air when looping through primary filter, well effect filter screen and high efficiency filter like this, has guaranteed the device's work efficiency.

The utility model discloses further set up to: the inner side edge and the outer side edge of the upper cover plate and the lower cover plate are provided with chamfers, a V-shaped groove is formed between the chamfers, and a sealing layer is arranged in the V-shaped groove.

Through adopting above-mentioned technical scheme, cup joint when the tuber pipe at high efficiency filter, the chamfer will have the guide effect to high efficiency filter's installation, put required position in advance with the sealing layer of lower apron department, then install high efficiency filter, the sealing layer of apron department will be located the tuber pipe and the V type inslot between the apron down after the installation is accomplished, then install the upper seal layer in the V type inslot between tuber pipe and upper cover plate, form sealedly between tuber pipe and high efficiency filter, according to above-mentioned assembly methods, will realize just imitating the filter equally, seal between medium efficiency filter and the high efficiency filter, the assembly of the device has not only been made things convenient for so, and the leakproofness of the device has been improved.

The utility model discloses further set up to: the one end that the backup pad was kept away from to the tuber pipe is equipped with the clamp plate, the diameter of clamp plate equals the diameter of backup pad, one side butt upper cover plate that the backup pad was kept away from to the clamp plate is close to the one side of backup pad, be provided with the screw rod on the clamp plate, screw head one end butt is kept away from to the screw rod the upper cover plate.

Through adopting above-mentioned technical scheme, the primary filter, secondary filter and high efficiency filter accomplish the back in the installation, install the clamp plate in the tuber pipe and keep away from the one end of backup pad and make the clamp plate be close one side that the backup pad was kept away from to one side butt upper cover plate of backup pad, then the holding screw of screwing, make holding screw keep away from spiral shell head one end and support tight upper cover plate, fix a position the upper cover plate like this, make the primary filter, secondary filter and high efficiency filter can not take place rotatoryly, the clamp plate will compress tightly the sealing layer that sets up at V type inslot when butt the upper cover plate, so not only to the primary filter, secondary filter and high efficiency filter advance line location, and further strengthened the device's sealed effect.

The utility model discloses further set up to: the protective film is arranged on the peripheral wall of the supporting plate, an annular groove is formed in the peripheral wall of the pressing plate, the other end of the protective film is located in the annular groove, and an elastic rope is arranged at one end, located in the annular groove, of the protective film.

Through adopting above-mentioned technical scheme, when the device does not use, in order to prevent that primary filter from directly exposing in the air, open the elastic cord and overlap the outside at primary filter with the protection film, and place the bungee in annular groove, annular groove will prevent the bungee landing from the perisporium of clamp plate, when the device uses, take off the protection film and make primary filter expose in the air but normal work, when the device does not use like this, primary filter has been protected to the protection film, the life of primary filter has been guaranteed, the reliability of the device is improved.

The utility model discloses further set up to: the supporting plate is provided with a protruding edge facing the pressing plate along the axial direction.

Through adopting above-mentioned technical scheme, when the device used, can place the protection film between the outer wall of outstanding border and primary filter, reduce the protection film and to the influence of intake when the device used, improved the reliability of repacking and putting.

The utility model discloses further set up to: the tuber pipe is double-deck pipe wall structure, and forms the cavity between the pipe wall, be provided with the pinhole on the pipe wall of tuber pipe, the one end opening setting of backup pad is kept away from to the tuber pipe, it has the annular seal piece to slide to set up the laminating simultaneously with the both sides pipe wall in the cavity, it is provided with the scavenging solution to lie in one side that the annular seal piece deviates from tuber pipe open-ended in the cavity.

Through adopting above-mentioned technical scheme, set up the scavenging solution in the cavity between double-deck tuber pipe, annular sealing ring is sealed with the wind gap, when annular sealing ring slides to the backup pad in the cavity, atmospheric pressure in the air increase cavity in with the compression cavity, the scavenging solution will ooze from the pinhole on the tuber pipe wall under the effect of pressure, when the wind gap that air was followed on the tuber pipe enters into the tuber pipe, the scavenging solution that oozes will be taken away to the air, the scavenging solution will follow the air admission to the clean room in, purify the environment in the clean room, and like this, the air is even also in the state of being purified in the clean room, the purifying effect of the device has been improved.

The utility model discloses further set up to: one side of the pressing plate, which is far away from the supporting plate, is provided with a plurality of hooks, and one side of the supporting plate, which is far away from the pressing plate, is provided with a plurality of supporting legs.

Through adopting above-mentioned technical scheme, can hang the device in the roof or place the device on ground through the landing leg through the couple according to installation environment needs, improve the suitability of the device like this.

To sum up, the utility model discloses a beneficial technological effect does:

1. the filter has a smaller volume, and the whole primary filter is used as an air inlet and has a larger air inlet area;

2. the primary filter is protected by the protective film, the service life of the primary filter is ensured, and the reliability of the device is improved;

3. the purifying liquid air brings the purifying liquid into the clean room, and the purifying effect of the device is improved.

Drawings

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

Fig. 2 is a cross-sectional view of section a-a in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a support plate; 11. a primary filter; 12. a medium-efficiency filter; 13. a high efficiency filter; 14. an upper cover plate; 15. a lower cover plate; 16. a filter element; 17. a protective film; 171. a bungee cord; 18. a ledge; 19. a support leg; 2. an air duct; 21. a fan; 22. a tuyere; 23. a cavity; 24. a pinhole; 25. an annular seal block; 26, opening; 3. chamfering; 4. a V-shaped groove; 41. a sealing layer; 5. pressing a plate; 51. a screw; 52. an annular groove; 53. and (4) hanging hooks.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a filter, comprising a disc-shaped supporting plate 1, an air pipe 2, a fan 21, a primary filter 11, a secondary filter 12 and a high efficiency filter 13, wherein one end of the air pipe 2 is connected with the supporting plate 1 and coaxially arranged with the supporting plate 1, the air pipe 2 is provided with a plurality of air ports 22, the fan 21 is arranged at one end of the air pipe 2 away from the supporting plate 1, the high efficiency filter 13 is sleeved outside the air pipe 2, the secondary filter 12 is sleeved outside the high efficiency filter 13, the primary filter 11 is sleeved outside the high efficiency filter 13, the bottoms of the primary filter 11, the secondary filter 12 and the high efficiency filter 13 are abutted against the supporting plate 1, in this embodiment, the primary filter 11 is made of non-woven fabric or nylon net and can be cleaned, the intermediate filter 12 is made of special non-woven fabric or glass fiber and can be cleaned, and the high-efficiency filter 13 is made of superfine glass fiber.

Referring to fig. 1 and 2, a pressing plate 5 is arranged at one end, away from the supporting plate 1, of the air pipe 2, a diameter of the pressing plate 5 is equal to that of the supporting plate 1, a screw 51 is arranged on the pressing plate 5, one end of the screw 51, away from the screw head, abuts against the upper cover plate 14, one side, away from the supporting plate 1, of the pressing plate 5 is provided with a plurality of hooks 53, one side, away from the pressing plate 5, of the supporting plate 1 is provided with a plurality of supporting legs 19, in the embodiment, the pressing plate 5 is in threaded connection with the.

Referring to fig. 1 and 2, the primary filter 11, the intermediate filter 12 and the high efficiency filter 13 each include a filter element 16, an upper cover plate 14 and a lower cover plate 15, the upper cover plate 14 and the lower cover plate 15 are both configured in a ring shape, the upper cover plate 14 and the lower cover plate 15 are coaxially configured, the filter element 16 is disposed between the upper cover plate 14 and the lower cover plate 15, chamfers 3 are disposed at inner and outer side edges of the upper cover plate 14 and the lower cover plate 15, V-shaped grooves 4 are formed between adjacent chamfers 3, referring to fig. 3, a sealing layer 41 is disposed in the V-shaped grooves 4, in this embodiment, the internal diameter of the upper cover plate 14 of the primary filter 11 is equal to the external diameter of the upper cover plate 14 of the intermediate filter 12, the internal diameter of the upper cover plate 14 of the intermediate filter 12 is equal to the external diameter of the upper cover plate 14 of the high-efficiency filter 13, the internal diameter of the upper cover plate 14 of the high-efficiency filter 13 is equal to the external diameter of the air pipe 2, and the upper cover plates 14 and the lower cover plates 15 of the primary filter 11, the intermediate filter 12 and the high-efficiency filter 13 are all arranged in the same way.

Referring to fig. 1 and 2, a protective film 17 is disposed on the circumferential wall of the support plate 1, an annular groove 52 is disposed on the circumferential wall of the pressure plate 5, the other end of the protective film 17 is located in the annular groove 52, an elastic cord 171 is disposed at one end of the protective film 17 located in the annular groove 52, and the support plate 1 is provided with a protruding edge 18 facing the pressure plate 5 along the axial direction of the air duct 2.

Referring to fig. 2, tuber pipe 2 is double-deck tubular wall structure, and forms cavity 23 between the pipe wall, be provided with pinhole 24 on the pipe wall of tuber pipe 2, the one end opening setting of backup pad 1 is kept away from to tuber pipe 2, it is provided with the annular seal piece 25 of laminating simultaneously with the both sides pipe wall to slide in the opening, it is provided with the scavenging solution to lie in one side that annular seal piece 25 deviates from tuber pipe 2 opening in cavity 23, in this embodiment, protection film 17 is air-tight plastic film, annular seal piece 25 is made for rubber, the scavenging solution is negative oxygen ion liquid.

The implementation principle of the embodiment is as follows: when the device is used, firstly, the annular sealing block 25 slides towards the support plate 1 along the cavity 23, the purifying liquid seeps out from the cavity 23 through the pinhole 24, then the fan 21 is opened, the fan 21 rotates in the air pipe 2 to discharge the original air in the air pipe 2 out of the air pipe 2 to generate negative pressure in the air pipe 2, the indoor air enters the primary filter 11 from the whole peripheral wall of the primary filter 11 under the action of pressure difference, when the air passes through the primary filter 11, the primary filter 11 filters dust particles in the air, the air passes through the primary filter 11 and then enters the intermediate filter 12 through the peripheral wall of the intermediate filter screen to be filtered, the intermediate filter 12 filters particle dust in the air, the air passes through the intermediate filter screen and then enters the high efficiency filter 13 through the peripheral wall of the high efficiency filter 13 to be filtered, the high efficiency filter 13 filters various suspended matters in the air, when air enters the air pipe 2 through the air opening 22 on the air pipe 2, the air takes away the leaked purification liquid, and finally the air is sent out of the air pipe 2 from the upper part of the air pipe 2 by the fan 21, the purification liquid enters a clean room along with the air, in the working process of the device, the sealing layer 41 ensures the sealing performance of the device, the screw 51 arranged on the pressing plate 5 positions the primary filter 11, the intermediate filter 12 and the high-efficiency filter 13, and the sealing performance of the sealing layer 41 is increased; when the device is used for assembling or replacing a primary filter 11, a medium-efficiency filter 12 and a high-efficiency filter 13, the chamfers 3 play a role in guiding, after the installation is finished, the adjacent chamfers 3 form V-shaped grooves 4, and sealing layers 41 are arranged in the V-shaped grooves 4; when the device is not in use, the elastic band is opened to sleeve the protective film 17 in the annular groove 52 on the peripheral wall of the pressure plate 5, and when the device is in use, the protective film 17 is taken off and placed between the protruding edge 18 and the outer wall of the primary filter 11; when the device is installed, the device can be hung on a roof or placed on the ground through the support legs 19 by the hooks 53 according to the requirements of the installation environment.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. An air filter, characterized by: including backup pad (1), tuber pipe (2) and fan (21), backup pad (1) sets up to discoid, tuber pipe (2) one end with backup pad (1) connect and with backup pad (1) coaxial setting, be provided with a plurality of wind gaps (22) on tuber pipe (2), fan (21) set up the one end of keeping away from backup pad (1) in tuber pipe (2), be provided with on backup pad (1) and all be cylindric primary filter (11), medium efficiency filter (12) and high efficiency filter (13), high efficiency filter (13) cup joint outside tuber pipe (2), medium efficiency filter (12) cup joint outside high efficiency filter (13), primary filter (11) cup joint outside high efficiency filter (13).

2. An air filter according to claim 1, wherein: primary filter (11), medium efficiency filter (12) and high efficiency filter (13) all include filter core (16), upper cover plate (14) and lower apron (15) all set up to the annular, upper cover plate (14) and lower apron (15) coaxial setting, filter core (16) set up at upper cover plate (14) and under between apron (15).

3. An air filter according to claim 2, wherein: the inner side and outer side edges of the upper cover plate (14) and the lower cover plate (15) are provided with chamfers (3), a V-shaped groove (4) is formed between the chamfers (3), and a sealing layer (41) is arranged in the V-shaped groove (4).

4. An air filter according to claim 2, wherein: the one end that backup pad (1) was kept away from in tuber pipe (2) is equipped with clamp plate (5), the diameter of clamp plate (5) equals the diameter of backup pad (1), one side butt that backup pad (1) was kept away from in one side butt upper cover plate (14) that clamp plate (5) are close to backup pad (1), be provided with screw rod (51) on clamp plate (5), spiral shell head one end butt is kept away from in screw rod (51) upper cover plate (14).

5. An air filter according to claim 4, wherein: the protective film (17) is arranged on the peripheral wall of the supporting plate (1), an annular groove (52) is formed in the peripheral wall of the pressing plate (5), the other end of the protective film (17) is located in the annular groove (52), and an elastic rope (171) is arranged at one end, located in the annular groove (52), of the protective film (17).

6. An air filter according to claim 1, wherein: the supporting plate (1) is provided with a protruding edge (18) facing the pressure plate (5) in the axial direction.

7. An air filter according to claim 1, wherein: tuber pipe (2) are double-deck tubular wall structure, and form cavity (23) between the pipe wall, be provided with pinhole (24) on the pipe wall of tuber pipe (2), one end opening (26) setting of backup pad (1) are kept away from in tuber pipe (2), it has annular seal piece (25) to slide to set up and laminate simultaneously with the both sides pipe wall in cavity (23), it is provided with the scavenging solution to lie in one side that annular seal piece (25) deviate from tuber pipe (2) opening in cavity (23).

8. An air filter according to claim 4, wherein: one side of the pressing plate (5) far away from the supporting plate (1) is provided with a plurality of hooks (53), and one side of the supporting plate (1) far away from the pressing plate (5) is provided with a plurality of supporting legs (19).

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