CN215388342U - Air filter with self-sealing structure - Google Patents

Abstract

The utility model discloses an air filter with a self-sealing structure in the technical field of air filters, which comprises a filter shell, wherein a sealing door is symmetrically hinged on the filter shell, a fan is arranged in the inner cavity of the filter shell through a supporting rod, a driving mechanism is arranged on the fan, a filter screen is arranged in the inner cavity of the filter shell, an outer frame is arranged on the periphery of the filter screen, the periphery of the outer frame is fixed on the inner wall of the filter shell, a movable mechanism is arranged on one side of the outer frame and connected with the driving mechanism, a cleaning brush is arranged on the movable mechanism, and an activated carbon plate is arranged in the inner cavity of the filter shell. The normal use of the air filter is ensured.

Description

Air filter with self-sealing structure

Technical Field

The utility model relates to the technical field of air filters, in particular to an air filter with a self-sealing structure.

Background

With the rapid development of the industry, the atmospheric environment is continuously deteriorated and the air pollution is serious, so that the air is required to be purified by an air filter. Current air cleaner does not set up from the clearance function, makes air cleaner block up easily like this, leads to the unable normal use of air cleaner, and still need often change the filter core, so not only wastes time and energy, still makes impurity get into air cleaner easily, also can make the pollutant of filtering down expose outside simultaneously, causes secondary pollution. To this end, we propose air filters with self-sealing structures.

Disclosure of Invention

The present invention is directed to an air filter with a self-sealing structure to solve the above-mentioned problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: air cleaner with self sealss structure, including filter housing, the last symmetry of filter housing articulates there is the sealing door, the sealing door is provided with the torsional spring with the articulated department of filter housing, the fan is installed through branch in the filter housing inner chamber, the fan is located the left side of sealing door, be provided with actuating mechanism on the fan, the filter housing inner chamber is provided with the filter screen, the filter screen periphery is provided with the frame, the frame periphery is fixed on the filter housing inner wall, the frame is located the fan left side, frame one side is provided with the moving mechanism, the moving mechanism is connected with actuating mechanism, the moving mechanism is close to actuating mechanism, the last clearance brush that is provided with of moving mechanism, the filter housing inner chamber is provided with the activated carbon board, the activated carbon board is located the filter screen left side.

Preferably, actuating mechanism includes main belt pulley, main belt pulley is installed in the fan left side, filter housing inner chamber top symmetry is provided with the connecting piece, the bull stick has been cup jointed on the connecting piece, bull stick one end is rotated with frame one side and is connected, the bull stick other end is provided with from the belt pulley, it is connected with main belt pulley transmission through flat belt from the belt pulley, the peripheral fixed cup joint of bull stick has the cam, the cam is connected with the moving mechanism.

Preferably, the moving mechanism includes the pivot, the frame longitudinal symmetry is provided with the pivot, and is from top to bottom be provided with upwarp pole and upwarp pole down in the pivot respectively, the clearance brush sets up on upwarping pole and upwarping the pole down, upwarp pole top and cam bottom contact.

Preferably, two cams arranged on the two groups of rotating rods are centrosymmetric about the rotating shaft.

Preferably, the outer frame has a limiting groove corresponding to the position symmetry of the lower warping rod, the limiting rod is arranged at the position of the lower warping rod corresponding to the limiting groove, and the limiting rod is inserted in the limiting groove.

Preferably, the top end and the bottom end of the cleaning brush are both provided with lantern rings, the lantern rings are sleeved on the upwarping rod and the downwarping rod respectively and are peripheral, the cross section of the lantern ring is in a three-quarter circular ring shape, balls are embedded into the inner side of the lantern ring in an evenly movable mode, and the balls are attached to the upwarping rod and the downwarping rod in a peripheral mode.

Compared with the prior art, the utility model has the beneficial effects that: the utility model is provided with the fan, the driving mechanism, the movable mechanism and the cleaning brush, the driving mechanism drives the movable mechanism through the rotation of the fan, so that the cleaning brush slides left and right to clean the filter screen, the self-cleaning avoids the easy blockage of the filter screen, ensures the normal use of the air filter, and prolongs the service life of the filter screen, thereby avoiding the frequent replacement of the filter screen, and being matched with the sealing door, when the filter screen is replaced, impurities are not easy to enter the air filter, and the filtered pollutants are not exposed outside to cause secondary pollution.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional structural schematic view of the present invention;

FIG. 3 is a schematic view of the front structure of the filter screen according to the present invention;

FIG. 4 is a schematic side view of the filter net according to the present invention;

FIG. 5 is an enlarged schematic view of the structure at A of the present invention;

FIG. 6 is an enlarged view of the structure of the present invention at B.

In the figure: 1. a filter housing; 2. a sealing door; 3. a fan; 31. a strut; 32. a primary pulley; 4. a filter screen; 41. raising the rod; 42. a lower warped rod; 421. a limiting rod; 43. cleaning a brush; 431. a collar; 432. a ball bearing; 44. a rotating rod; 45. a connecting member; 46. a cam; 47. a secondary pulley; 48. a rotating shaft; 49. a limiting groove; 5. an activated carbon plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-2, the present invention provides a technical solution: an air filter with a self-sealing structure comprises a filter shell 1, sealing doors 2 are symmetrically hinged on the filter shell 1, torsion springs are arranged at the hinged positions of the sealing doors 2 and the filter shell 1, when the air filter is not used, the sealing doors 2 seal the filter shell 1 through the torsion springs to prevent impurities from entering the filter shell 1, the normal use of the air filter is ensured, fans 3 are installed in an inner cavity of the filter shell 1 through supporting rods 31, the three supporting rods 31 are used for supporting the fans 3 to ensure the stability of the fans 3, when air enters the filter shell 1 through the sealing doors, the fans 3 can rotate, one side, close to the sealing doors 2, of each fan 3 is conical, the fans 3 can rotate faster, the fans 3 are located on the left side of the sealing doors 2, a driving mechanism is arranged on the fans 3, and a filter screen 4 is arranged in the inner cavity of the filter shell 1, filter screen 4 is arranged in filtering the floater or the impurity in the air down, filter screen 4 below is located filter housing 1 bottom and corresponds and has seted up the small opening (not drawn in the picture), the small opening is connected with outside collection mechanism, the convenience is collected floater or the impurity that gets off filtering and is carried out the centralized processing, filter screen 4 periphery is provided with the frame, the frame periphery is fixed on filter housing 1 inner wall, the frame is located fan 3 left side, frame one side is provided with the moving mechanism, the moving mechanism is connected with actuating mechanism, the moving mechanism is close to actuating mechanism, the last clearance brush 43 that is provided with of moving mechanism, clearance brush 43 is used for clearing up filter screen 4, avoid filter screen 4 easy jam, filter housing 1 inner chamber is provided with activated carbon plate 5, activated carbon plate 5 is located filter screen 4 left side, activated carbon plate 5 is used for purifying the air, purify the peculiar smell in the air.

Referring to fig. 2, the driving mechanism includes a main belt pulley 32, the main belt pulley 32 is installed on the left side of the fan 3, a connecting member 45 is symmetrically arranged at the top end of the inner cavity of the filter housing 1, a rotating rod 44 is sleeved on the connecting member 45, the rotating rod 44 is supported by the connecting member 45, one end of the rotating rod 44 is rotatably connected with one side of the outer frame, a secondary belt pulley 47 is arranged at the other end of the rotating rod 44, the secondary belt pulley 47 is in transmission connection with the main belt pulley 32 through a flat belt, so that the rotating rod 44 is rotated by the fan 3 through the main belt pulley 32, the flat belt and the secondary belt pulley 47, a cam 46 is fixedly sleeved on the periphery of the rotating rod 44, the cam 46 is connected with the movable mechanism, and the cam 46 drives the movable mechanism along with the rotating rod 44.

Referring to fig. 2-3, the movable mechanism includes a rotating shaft 48, the rotating shaft 48 is disposed on the outer frame in a vertically symmetrical manner, the upward tilting rod 41 and the downward tilting rod 42 are disposed on the upward and downward rotating shaft 48, the upward tilting rod 41 and the downward tilting rod 42 are both rotatable around the rotating shaft 48, the cleaning brush 43 is disposed on the upward tilting rod 41 and the downward tilting rod 42, the top end of the upward tilting rod 41 contacts with the bottom end of the cam 46, and the upward tilting rod 41 is rotated left and right by contacting with the upward tilting rod 41 at different positions of the cam 46.

Referring to fig. 2-3, two cams 46 disposed on the two sets of rotating rods 44 are symmetrical with respect to the rotating shaft 48, one cam 46 is upward, and the other cam 46 is downward, so that one side of the tilting rod 41 tilts.

Referring to fig. 4 and 6, the top end and the bottom end of the cleaning brush 43 are respectively provided with a lantern ring 431, the two sets of lantern rings 431 are respectively sleeved on the peripheries of the upwarping rod 41 and the downwarping rod 42, so that when the upwarping rod 41 tilts on one side, the cleaning brush 43 slides downwards on the other side through the lantern rings 431 to clean the surface of the filter screen 4, the cross section of the lantern ring 431 is in a three-quarter circular ring shape, contact with the rotating shaft 48 can be avoided, balls 432 are uniformly and movably embedded in the inner side of the lantern ring 431, the balls 432 are attached to the peripheries of the upwarping rod 41 and the downwarping rod 42, the lantern ring 431 slides more smoothly through the balls 432, and when the upwarping rod 41 tilts a little, the lantern ring 431 also slides on the upwarping rod 41 and the downwarping rod 42.

The working principle is as follows: when the air purifier is used, when large wind exists outside, the sealing door 2 is blown open by the wind, so that the air enters the filter shell 1, the fan 3 is blown by the wind to rotate, the rotating rod 44 is rotated through the main belt pulley 32, the flat belt and the secondary belt pulley 47 after the fan 3 rotates, the rotating rod 44 rotates to rotate the cam 46, one side of the upturned rod 41 is tilted by the two cams 46, the cleaning brush 43 slides on the upturned rod 41 and the down-tilted rod 42 through the lantern ring 431, the air passes through the filter screen 4, floaters or impurities in the air are filtered by the filter screen 4, the floaters or the impurities are brushed off from the filter screen 4 by the cleaning brush 43 and are discharged through the leakage holes, the air passes through the filter screen 4 and then passes through the activated carbon plate 5, and peculiar smell in the air is removed through the activated carbon plate 5; when there is no outside air, the air filter is blown by a blower.

Example 2

Please refer to fig. 3 and 5, the outer frame has a position symmetry corresponding to the lower tilting rod 42 and is provided with a limiting groove 49, the inner side of the lower tilting rod 42 corresponding to the position of the limiting groove 49 is provided with a limiting rod 421, the limiting rod 421 is inserted into the limiting groove 49, after the upper tilting rod 41 tilts, the lower tilting rod 42 tilts synchronously through the cleaning brush 43, the lower tilting rod 42 does not shake, the stability of the cleaning brush 43 is ensured, meanwhile, the limiting rod 421 plays a limiting role in the collar 431, and the collar 431 is prevented from being separated from the lower tilting rod 42.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 (6)

1. Air filter with self-sealing structure, including filter housing (1), its characterized in that: the symmetrical hinged sealing door (2) is arranged on the filter housing (1), the hinged position of the sealing door (2) and the filter housing (1) is provided with a torsion spring, the inner cavity of the filter housing (1) is provided with a fan (3) through a support rod (31), the fan (3) is positioned on the left side of the sealing door (2), the fan (3) is provided with a driving mechanism, the inner cavity of the filter housing (1) is provided with a filter screen (4), the periphery of the filter screen (4) is provided with an outer frame, the periphery of the outer frame is fixed on the inner wall of the filter housing (1), the outer frame is positioned on the left side of the fan (3), one side of the outer frame is provided with a movable mechanism, the movable mechanism is connected with the driving mechanism, the movable mechanism is close to the driving mechanism, the movable mechanism is provided with a cleaning brush (43), the inner cavity of the filter housing (1) is provided with an activated carbon plate (5), and the activated carbon plate (5) is positioned on the left side of the filter screen (4).

2. The air filter with self-sealing structure of claim 1, wherein: actuating mechanism includes main belt pulley (32), install in fan (3) left side main belt pulley (32), filter housing (1) inner chamber top symmetry is provided with connecting piece (45), link (44) have been cup jointed on connecting piece (45), link (44) one end is rotated with frame one side and is connected, the link (44) other end is provided with from belt pulley (47), from belt pulley (47) through flat belt with main belt pulley (32) transmission connection, link (44) peripheral fixed cover has been connected cam (46), cam (46) are connected with the moving mechanism.

3. An air filter with a self-sealing structure according to claim 2, wherein: the movable mechanism comprises a rotating shaft (48), the rotating shaft (48) is symmetrically arranged on the upper portion and the lower portion of the outer frame, an upwarping rod (41) and a downwarping rod (42) are respectively arranged on the upper rotating shaft (48) and the lower rotating shaft (48), the cleaning brushes (43) are arranged on the upwarping rod (41) and the downwarping rod (42), and the top end of the upwarping rod (41) is in contact with the bottom end of the cam (46).

4. An air filter with a self-sealing structure according to claim 3, wherein: two cams (46) arranged on the two groups of rotating rods (44) are in central symmetry with respect to the rotating shaft (48).

5. An air filter with a self-sealing structure according to claim 3, wherein: the outer frame is provided with limiting grooves (49) in a symmetrical mode corresponding to the positions of the lower warping rods (42), limiting rods (421) are arranged on the inner sides of the lower warping rods (42) in positions corresponding to the limiting grooves (49), and the limiting rods (421) are inserted into the limiting grooves (49).

6. An air filter with a self-sealing structure according to claim 3, wherein: cleaning brush (43) top and bottom all are provided with lantern ring (431), and two sets of lantern ring (431) cup joint respectively and stick up pole (41) and stick up pole (42) periphery down, and lantern ring (431) cross-section is three quarters ring form, and the even activity embedding in lantern ring (431) inboard has ball (432), and ball (432) stick up pole (41) and stick up pole (42) periphery with upwarping and stick up down and laminate.

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