Air filter with pre-filtering function

Abstract

The utility model discloses an air filter with a pre-filtering function, and particularly relates to the technical field of air filtration, the air filter comprises a shell, an air inlet is formed in the front side of the shell, an air outlet is formed in the rear side of the shell, and a pre-filtering device is fixedly connected to the inner wall of the air inlet; an activated carbon adsorption plate is fixedly connected to the rear side, close to the fan blades, of the inner wall of the shell, wind shields are fixedly connected to the middles of the upper portion and the lower portion of the inner wall of the shell, a filter element is fixedly connected to the lower portion of the rear side of the inner wall of the shell, a cleaning device is arranged at the top of the filter element, and an air outlet assembly is arranged on the inner wall of the air outlet. By arranging the pre-filtering device, air can be preliminarily filtered before entering the filter, large suspended solids, particles and some microorganisms are removed, or the air humidity is reduced, the filter element can be cleaned by arranging the cleaning device, and the air outlet size and the air outlet direction can be controlled by arranging the air outlet device.

Description

TECHNICAL FIELD

[0001] The utility model relates to air filter technology field, concretely is an air filter with prefiltering function. BACKGROUND

[0002] Air filter refers to air filter device, is generally used in clean workshop, clean factory building, laboratory and clean room, or is used in dustproof of electronic mechanical communication equipment, has five kinds of models such as primary filter, medium filter, high-medium filter, sub-high efficiency filter and high efficiency filter, and various models have different standards and use efficiency, prefiltering is also called primary filtration or rough filtration, and it is a basic filtration operation, usually without using chemical reagent, but through sand filter or microfilter to filter raw water, and this filtering mode aims at removing larger suspended solids, particulate matter and some microorganisms, or reducing air humidity to provide pretreatment for further fine filtration or specific treatment.

[0003] The utility model discloses an air filter, including filter assembly and fan blade assembly, filter assembly includes the cover plate and the base that are arranged at intervals along the up-down direction, and the filter core that is connected between the cover plate and the base, fan blade assembly sets up at the outside of filter core, and its specifically includes two annular flanges and a plurality of fan blades, two annular flanges are connected with the cover plate and the base rotation respectively, a plurality of fan blades are connected to two annular flanges, and are evenly distributed along the circumferential direction of annular flange. Under the action of external wind force, fan blade assembly rotates, and the water vapor in the airflow contacts the fan blade, can make water vapor condense on its surface, reduce the water vapor content in the filter core, alleviate the consumption of filter core by water vapor, simultaneously, the external airflow can evenly pass through each area of filter core under the entrapment of rotating fan blade, improve the use efficiency of filter core, further improve the overall life of air filter.

[0004] The air filter in the above-mentioned document can meet the basic operation requirements of air filtration, but the air cannot be preliminarily filtered before entering the filter, and the exhaust air speed or exhaust air direction cannot be controlled. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of air filters with prefiltering function, to solve the problems raised in above background technology.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: An air filter with prefiltering function includes a shell, the shell front side is equipped with the air inlet, the shell rear side is equipped with the air outlet, the air inlet inner wall is fixedly connected with prefiltering device, the shell inner wall front side lower part is fixedly connected with fixed plate, the fixed plate top is provided with fan blade, the shell inner wall rear side close to fan blade is fixedly connected with activated carbon adsorption plate, the shell inner wall upper and lower middle part is fixedly connected with baffle, the shell inner wall rear side lower part is fixedly connected with filter core, the filter core top is provided with cleaning device, the air outlet inner wall is provided with air outlet assembly.

[0007] Preferably, the prefiltering device includes a paper core shell, the paper core shell outer wall left and right sides are provided with L type lock catch device, the paper core shell inner wall front side is movably connected with net rack, the net rack inner wall is fixedly connected with filter screen, the paper core shell inner wall rear side is movably connected with paper core.

[0008] Preferably, the paper core shell is equipped with lock slot, the lock slot inner wall close to net rack one side is slidably connected with L type lock catch, the L type lock catch outer wall away from net rack one side is fixedly connected with spring, the spring away from L type lock catch one end and lock slot inner wall away from L type lock catch one side are fixedly connected.

[0009] Preferably, the net rack outer wall left and right sides are equipped with lock mouth, the L type lock catch protruding end is clamped on the net rack through the lock mouth.

[0010] Preferably, the cleaning device includes motor one, the motor one output end is fixedly connected with driving gear one, the driving gear one outer wall rear side bottom is engaged with driven gear one, the driven gear one bottom is fixedly connected with connecting rod, the connecting rod penetrates to the inner wall top of shell and is fixedly connected with gear, the connecting rod outer wall is rotatably connected with shell, the gear outer wall front and back sides are engaged with rack, two the rack bottoms are slidably connected with slide rail, two the slide rail bottoms are fixedly connected with bottom plate, two the slide rail inner walls left and right sides are slidably connected with slide post, four The slide post bottoms are rotatably connected with cleaning brush.

[0011] Preferably, the bottom plate front and back sides are equipped with through -hole, and the cleaning brush is rotatably connected on the slide post through the through -hole.

[0012] Preferably, the air outlet assembly comprises a fixed shell, a motor fixing plate is fixedly connected to the bottom of the rear side of the outer wall of the fixed shell, a motor two is arranged on the top of the motor fixing plate, a driving gear two is fixedly connected to the rear side of the inner wall of the fixed shell through the output end of the motor two, four driven gears two are arranged in an annular array on the front side of the outer wall of the driving gear two, four short shafts one are fixedly connected to the inner wall of the air outlet on the side close to the outer wall of the four driven gears two, four baffles are fixedly connected to the one end of the four short shafts one away from the four driven gears two, four short shafts two are fixedly connected to the side close to the inner wall of the air outlet on the side of the four baffles away from the four baffles, and the inner wall of the air outlet is rotatably connected to the one end of the four short shafts two away from the four baffles.

[0013] Compared with the prior art, the air filter has the advantages that:

[0014] The pre-filtering device is arranged, so that air can be preliminarily filtered before entering the filter, and large suspended matters, particulate matters and some microorganisms in the air can be removed or the air humidity is reduced to provide pretreatment for further fine filtering or specific treatment.

[0015] The cleaning device is arranged to periodically clean the filter core, the service life of the air filter is improved, and the air outlet size and direction of the filter can be controlled through the air outlet assembly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an appearance schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the utility model;

[0018] Figure 3 It is a structure schematic view of the pre-filtering device of the utility model;

[0019] Figure 4 It is a structure schematic view of the L-shaped lock device of the utility model;

[0020] Figure 5 It is a structure schematic view of the cleaning device of the utility model;

[0021] Figure 6 It is a structure schematic view of the sliding rail of the utility model;

[0022] Figure 7 It is a structure schematic view of the air outlet assembly of the utility model;

[0023] Figure 8 It is a structure schematic view of the air outlet assembly of the utility model.

[0024] Figure: 1. Housing; 11. Air inlet; 12. Air outlet; 2. Pre-filter; 21. Paper core housing; 211. Locking slot; 212. L-shaped lock; 213. Spring; 22. L-shaped lock mechanism; 23. Grid; 231. Locking port; 24. Filter; 25. Paper core; 3. Fixing plate; 4. Fan blades; 5. Activated carbon adsorption plate; 6. Windshield; 7. Filter element; 8. Cleaning device; 81. Motor 1 ;82. Driving gear one;83. Driven gear one;84. Connecting rod;85. Gear;86. Rack;87. Slide rail;88. Bottom plate;881. Through port;89. Slide column;891. Cleaning brush;9. Air outlet assembly;91. Fixed shell;92. Motor fixing plate;93. Motor two;94. Driving gear two;95. Driven gear two;96. Short shaft one;97. Baffle;98. Short shaft two. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1 、 2 , the utility model provides a technical solution: an air filter with a pre-filtering function, comprising a shell 1, an air inlet 11 is provided on the front side of the shell 1, and the air before filtering will enter the filter from the air inlet 11 by setting the air inlet 11, and an air outlet 12 is provided on the rear side of the shell 1, and the filtered air will be discharged from the air outlet 12 by setting the air outlet 12, and a pre-filtering device 2 is fixedly connected to the inner wall of the air inlet 11, and the pre-filtering device 2 can be used to perform preliminary filtration on the air before filtering, remove larger suspended matter, particulate matter and some microorganisms in the air, or reduce the air humidity, and a fixing plate 3 is fixedly connected to the lower front side of the inner wall of the shell 1, and the fan blades 4 can be fixed by setting the fixing plate 3, and the fan blades 4 can be fixed. A fan blade 4 is provided on the top of the plate 3. By providing the fan blade 4, the outside air can be driven into the filter for filtration. An activated carbon adsorption plate 5 is fixedly connected to the rear side of the inner wall of the shell 1 near the fan blade 4. By providing the activated carbon adsorption plate 5, the air can be intermediately filtered. A windshield 6 is fixedly connected to the middle of the upper and lower parts of the inner wall of the shell 1. By providing the windshield 6, the air can be concentrated to flow to the filter element 7. A filter element 7 is fixedly connected to the lower rear side of the inner wall of the shell 1. By providing the filter element 7, the air can be finally filtered. A cleaning device 8 is provided on the top of the filter element 7. By providing the cleaning device 8, the filter element 7 can be regularly cleaned. An air outlet component 9 is provided on the inner wall of the air outlet 12. The size and direction of the exhaust can be controlled by providing the air outlet component 9.

[0027] Please refer to Figure 3 The utility model provides a new technical scheme: prefiltering device 2 includes paper core shell 21, can fix paper core 25 and net frame 23 through setting paper core shell 21, paper core shell 21 outer wall left and right sides are evenly provided with L type lock catch device 22, can fix net frame 23 with paper core shell 21 through setting L type lock catch device 22, paper core shell 21 inner wall front side swing joint has net frame 23, can fix filter screen 24 through setting net frame 23, net frame 23 inner wall fixedly connected with filter screen 24, paper core shell 21 inner wall rear side swing joint has paper core 25, can carry out preliminary filtration to air through setting paper core 25 and filter screen 24, removes the larger suspended solids, particulate matter and some microorganism in air, or reduces air humidity.

[0028] Please refer to Figure 4 The utility model provides a new technical scheme: paper core shell 21 is provided with lock slot 211, L type lock catch 212 can slide in lock slot 211 through setting lock slot 211, lock slot 211 inner wall is close to the side of net frame 23 and is swinged connected with L type lock catch 212, can lock catch net frame 23 with paper core shell 21 through setting L type lock catch 212, L type lock catch 212 outer wall is far away from the side of net frame 23 and is fixedly connected with spring 213, one end of spring 213 far away from L type lock catch 212 and lock slot 211 inner wall far away from the side of L type lock catch 212 are fixedly connected, the left and right sides of net frame 23 outer wall are evenly provided with lock mouth 231, and the protruding end of L type lock catch 212 is clamped on net frame 23 through lock mouth 231.

[0029] Please refer to Figure 5 , 6The utility model provides a new technical scheme: cleaning device 8 includes motor one 81, can drive driving gear one 82 to rotate through the setting motor one 81, and motor one 81 output fixed connection has driving gear one 82, can drive driven gear one 83 to rotate through the setting driving gear one 82, and driving gear one 82 outer wall rear side bottom has driven gear one 83, can drive connecting rod 84 to rotate through the setting driven gear one 83, and driven gear one 83 bottom fixed connection has connecting rod 84, can drive gear 85 to rotate through the setting connecting rod 84, and connecting rod 84 runs through to the inner wall top fixed connection of shell 1 has gear 85, can drive rack 86 to move left and right on slide rail 87 through the setting gear 85, and connecting rod 84 outer wall is rotationally connected with shell 1, and gear 85 outer wall front and back side all have rack 86, can drive slide column 89 and cleaning brush 891 to move left and right through the setting rack 86 and slide rail 87, and two rack 86 bottom all slide rail 87 are connected, and two slide rail 87 bottom fixed connection has bottom plate 88, can fix cleaning device 8 on filter core 7 through the setting bottom plate 88, and two slide rail 87 inner wall left and right side all slide column 89 are connected, can drive cleaning brush 891 to move left and right on the filter core outer wall through the setting slide column 89, realize cleaning effect, and four slide column 89 bottom all rotationally connected have cleaning brush 891, and bottom plate 88 front and back two sides all set up have pass 881, and cleaning brush 891 is rotationally connected on slide column 89 through pass 881, can drive driving gear one 82 to drive driven gear one 83 to rotate through the setting motor one 81, and driven gear one 83 can drive connecting rod 84 to drive gear 85 to rotate, and gear 85 can drive rack 86 to move left and right on slide rail 87, and rack can drive slide column 89 and cleaning brush 891 to move left and right on the filter core 7 outer wall, reach the cleaning effect of filter core 7.

[0030] Please refer to Figure 7 、 8The utility model provides a new technical scheme: air outlet subassembly 9 includes fixed shell 91, can fix motor fixed plate 92 through setting fixed shell 91, fixed shell 91 outer wall rear side bottom fixedly connected with motor fixed plate 92, can fix motor two 93 through setting motor fixed plate 92, motor fixed plate 92 top is provided with motor two 93, can drive driving gear two 94 to rotate through setting motor two 93, motor two 93 output end penetrates to fixed shell 91 inner wall rear side fixedly connected with driving gear two 94, can drive driven gear two 95 to rotate through setting driving gear two 94, four driven gear two 95 are engaged with the annular array of driving gear two 94 outer wall front side, can drive short shaft one 96 to rotate through setting driven gear two 95, four driven gear two 95 outer wall close to the inner wall one side of air outlet 12 are all fixedly connected with short shaft one 96, can drive baffle 97 to rotate through setting short shaft one 96, four short shaft one 96 are all fixedly connected with baffle 97 with four driven gear two 95 one end away, can drive short shaft two 98 to rotate through setting baffle 97, four baffle 97 close to the inner wall one side of air outlet 12 are all fixedly connected with short shaft two 98, four short shaft two 98 are all with the inner wall rotation connection of air outlet 12 with four baffle 97 one end away, can drive driving gear two 94 to drive driven gear two 95 to rotate through setting motor two 93, driven gear two 95 can drive short shaft one 96, baffle 97, short shaft two 98 rotate.

[0031] Working principle: first need to place the air filter in the position required to filter the air, then the air will first pass through the pre-filtering device 2, the filter screen 24 and the paper core 25 of the pre-filtering device 2 can remove larger suspended solids, particulate matter and some microorganisms in the air, or reduce air humidity, then the preliminarily filtered air will enter the air filter from the air inlet 11, then the air will pass through the intermediate filtering device activated carbon adsorption plate 5, the activated carbon adsorption plate 5 can filter out small particles in the air, and finally the air will pass through the filter core 7, the filter core 7 will perform the last filtering on the air, and finally the air will be discharged from the air outlet 12.

[0032] If it is necessary to clean the filter core 7, the motor one 81 can be opened, the motor one 81 drives the driving gear one 82 to drive the driven gear one 83 to rotate, the driven gear one 83 drives the connecting rod 84 to drive the gear 85 to rotate, the gear 85 drives the rack 86 to drive the slide column 89 and the cleaning brush 891 to move left and right, the cleaning brush 891 rubs against the filter core 7 in the moving process, so that the filter core 7 is cleaned, if it is desired to adjust the size and direction of the air outlet, the motor two 93 can be opened, the motor two 93 drives the driving gear two 94 to drive the driven gear two 95 to rotate, the driven gear two 95 drives the short shaft one 96, the baffle 97 and the short shaft two 98 to rotate, and the required angle is adjusted.

[0033] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An air filter with prefiltering function comprising a housing (1), characterized in that: The shell (1) front side is provided with air inlet (11), the shell (1) rear side is provided with air outlet (12), the air inlet (11) inner wall is fixedly connected with pre-filter device (2), the shell (1) inner wall front side lower side is fixedly connected with fixed plate (3), the fixed plate (3) top is provided with fan blade (4), the shell (1) inner wall is fixedly connected with activated carbon adsorption plate (5) near the rear side of fan blade (4), the shell (1) inner wall upper and lower middle part is fixedly connected with baffle (6), the shell (1) inner wall rear side lower side is fixedly connected with filter core (7), the filter core (7) top is provided with cleaning device (8), the air outlet (12) inner wall is provided with air outlet assembly (9).

2. The air filter with pre-filter function according to claim 1, characterized in that: The pre-filter device (2) includes paper core shell (21), the paper core shell (21) outer wall left and right sides are provided with L-shaped lock catch device (22), the paper core shell (21) inner wall front side is movably connected with net rack (23), the net rack (23) inner wall is fixedly connected with filter screen (24), the paper core shell (21) inner wall rear side is movably connected with paper core (25).

3. An air filter with prefiltering function according to claim 2, characterized in that: The paper core shell (21) is provided with lock slot (211), the lock slot (211) inner wall is slidably connected with L-shaped lock catch (212) near the side of net rack (23), the L-shaped lock catch (212) outer wall is fixedly connected with spring (213) away from the side of net rack (23), the spring (213) is fixedly connected with the lock slot (211) inner wall away from the side of L-shaped lock catch (212) one end.

4. The air filter with pre-filter function according to claim 2, characterized in that: The net rack (23) outer wall left and right sides are provided with lock opening (231), the L-shaped lock catch (212) protruding end is clamped on the net rack (23) through the lock opening (231).

5. The air filter with pre-filter function according to claim 1, characterized in that: The cleaning device (8) includes motor one (81), the motor one (81) output end is fixedly connected with driving gear one (82), the driving gear one (82) outer wall rear side bottom is engaged with driven gear one (83), the driven gear one (83) bottom is fixedly connected with connecting rod (84), the connecting rod (84) penetrates to the inner wall top of shell (1) and is fixedly connected with gear (85), the connecting rod (84) outer wall is rotatably connected with shell (1), the gear (85) outer wall front and back sides are engaged with rack (86), two rack (86) bottoms are slidably connected with slide rail (87), two slide rail (87) bottoms are fixedly connected with bottom plate (88), two slide rail (87) inner walls left and right sides are slidably connected with slide column (89), four slide column (89) bottoms are rotatably connected with cleaning brush (891).

6. An air filter with a prefilter function according to claim 5, characterized in that: The bottom plate (88) front and back sides are provided with through hole (881), the cleaning brush (891) is rotatably connected on the slide column (89) through the through hole (881).

7. The air filter with pre-filter function according to claim 1, characterized in that: The air outlet assembly (9) includes a fixed shell (91), the outer wall rear side bottom of the fixed shell (91) is fixedly connected with a motor fixed plate (92), the top of the motor fixed plate (92) is provided with a motor two (93), the output end of the motor two (93) penetrates into the inner wall rear side of the fixed shell (91) and is fixedly connected with a driving gear two (94), the outer wall front side of the driving gear two (94) is engaged with four driven gear two (95) in an annular array, the outer wall of the four driven gear two (95) is fixedly connected with a short shaft one (96) on the inner wall one side of the air outlet (12), the one end of the four short shaft one (96) away from the four driven gear two (95) is fixedly connected with a baffle (97), the inner wall one side of the four baffle (97) is fixedly connected with a short shaft two (98), and the one end of the four short shaft two (98) away from the four baffle (97) is rotatably connected with the inner wall of the air outlet (12).

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