Filter structure of air compressor

Abstract

The utility model discloses a filter structure of an air compressor, which belongs to the technical field of air compressor filtration, and adopts the technical scheme that the filter structure comprises a filter shell and a cover plate, a main filter is arranged in the filter shell, an auxiliary mechanism is arranged at the top of the main filter, and a pretreatment mechanism is arranged at the top of the cover plate; the auxiliary mechanism comprises a mounting cover, two net racks, a plurality of activated carbon, a mounting groove and a mounting frame, the bottom of the mounting cover extends into the mounting groove and is tightly connected with the interior of the mounting groove, and the opposite sides of the two net racks are fixedly connected with the opposite sides of the mounting cover and the mounting groove correspondingly; the top and the bottom of the activated carbon are in close contact with the opposite sides of the two net racks correspondingly, and the problems that when an existing air compressor filtering structure conducts filtering through a main filter, adsorption of peculiar smell, oil vapor and harmful gas in air is limited, and large-particle impurities in the air easily increase the burden of the main filter are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor filtering technical field, especially in air compressor filtering structure. BACKGROUND

[0002] Air compressor filtering structure refers to a series of devices and components for filtering air, oil and gas involved in the compression process entering the air compressor in the air compressor system, which mainly removes dust, impurities, moisture, oil stains and other harmful particles in the air to ensure that the air entering the air compressor meets the requirements.

[0003] Air compressor is a device for compressing gas, and the air compressor is similar in structure to a water pump. Most air compressors are reciprocating piston type, rotary vane or rotary screw, but the existing air compressor cannot filter air well when in use, and the air compressor is prone to accumulate liquefied water, and the water cannot be discharged well.

[0004] The existing patent (publication number: CN209976741U) discloses an air compressor filtering and draining device, belonging to the field of air compressors. An air compressor filtering and draining device includes an air compressor, an air inlet pipe connected to the left side of the air compressor, an air filter cartridge fixedly installed in the middle of the air inlet pipe, a drain pipe connected to the bottom of the air compressor, a bypass branch pipe connected to the middle of the drain pipe, and a wastewater filter cartridge and a solenoid valve connected in sequence in the middle of the drain pipe and between the bypass branch pipes. The wastewater filter cartridge on the drain pipe can filter water, and the solenoid valve will open when it senses water close to the filtered water, allowing the filtered water to be discharged along the drain pipe. Since the flow of water will decrease when the wastewater filter cartridge filters water, when the flow inside the air compressor is too large, the second drain valve on the bypass branch pipe can be opened to quickly drain the water inside the air compressor, which can effectively prevent the damage to the air compressor and the impact on the air compression process caused by excessive liquefied water inside the air compressor.

[0005] To solve the above problems, the existing patent provides a solution. The above-mentioned solution has certain limitations in use. The existing air compressor filtering structure uses a main filter for filtering, which is limited in adsorbing odors, oil vapor and harmful gases in the air, and the large particles in the air can increase the burden of the main filter and affect its service life.

[0006] Therefore, an air compressor filtering structure is proposed. Utility model content

[0007] The utility model discloses a purpose lies in, provide a kind of air compressor filtering structure, can solve the problem that current air compressor filtering structure is filtered by main filter, when in the adsorption of odour, oil vapor and harmful gas in air, it is more limited, and the impurity of air larger particle easily increases the burden of main filter, influence its service life.

[0008] To realize the above-mentioned purpose, the utility model provides the following technical scheme: an air compressor filtering structure, including filter shell and apron, the inside of filter shell is provided with main filter, the top of main filter is provided with auxiliary mechanism, the top of apron is provided with pretreatment mechanism;

[0009] The auxiliary mechanism includes installation cover, two net racks, a plurality of activated carbons, installation groove and mounting bracket, the bottom of installation cover extends to the inside of installation groove and is closely connected with the inside of installation groove, the opposite side of two net racks is fixedly connected with the opposite side of installation cover and installation groove respectively, the top and bottom of activated carbon are closely contacted with the opposite side of two net racks respectively, the installation groove is opened in the top of mounting bracket, and the bottom of mounting bracket is contacted with the top of main filter.

[0010] Preferably, the pretreatment mechanism includes two metal nets provided on the top of the apron, and a metal shell is fixedly connected between the surfaces of the two metal nets.

[0011] Preferably, the inside of the metal shell is provided with coarse filter cotton, and the top and bottom of the coarse filter cotton are respectively contacted with the opposite sides of the two metal nets.

[0012] Preferably, the inside of the metal shell is provided with a pretreatment bracket, the inside of the pretreatment bracket is fixedly connected with a ring seat, a connecting groove is formed in the top of the ring seat, the bottom of the metal shell extends to the inside of the connecting groove and is threadedly connected with the inside of the connecting groove, and a connecting cover is arranged on the top of the pretreatment bracket.

[0013] Preferably, the bottom of the installation cover is fixedly connected with two first limiting rods, and the surface of the first limiting rod is closely contacted with the inside of the top net rack.

[0014] Preferably, the bottom of the mounting bracket is fixedly connected with two second limiting rods, and the bottom of the second limiting rod extends to the inside of the main filter and is closely contacted with the inside of the main filter.

[0015] Preferably, the bottom of the mounting bracket is fixedly connected with an auxiliary sleeve, and the bottom of the auxiliary sleeve extends to the inside of the main filter and is contacted with the inside of the main filter.

[0016] Preferably, two limiting grooves are formed in the surface of the auxiliary sleeve, two limiting blocks are fixedly connected in the inside of the main filter, and the surface of the limiting block is slidingly connected with the inside of the limiting groove.

[0017] Compared with the prior art, the air compressor filter structure has the beneficial effects that:

[0018] 1、The installation frame is used for adsorbing the air filtered for the first time through the net frame and the activated carbon, so that the odors and harmful gases in the air are conveniently adsorbed, and the quality of the filtered air is further improved.

[0019] 2、The pretreatment frame is used for limiting the coarse filter cotton through the metal net, so that the metal net and the coarse filter cotton conveniently perform preliminary filtration on the larger particles in the air, and the burden of the main filter is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure diagram of the air compressor filter structure of the utility model;

[0021] Figure 2 It is a three-dimensional connection schematic view of the pretreatment frame and the cover plate in the utility model;

[0022] Figure 3 It is a three-dimensional connection schematic view of the pretreatment mechanism in the utility model;

[0023] Figure 4 It is a three-dimensional connection schematic view of the auxiliary mechanism in the utility model;

[0024] Figure 5 It is a three-dimensional structure schematic view of the inside of the filter shell in the utility model;

[0025] Figure 6 It is a three-dimensional connection schematic view of the auxiliary sleeve and the main filter in the utility model.

[0026] In the drawing, 1, filter shell; 2, cover plate; 3, connecting cover; 4, pretreatment mechanism; 401, metal net; 402, metal shell; 403, coarse filter cotton; 404, connecting groove; 405, ring seat; 406, pretreatment frame; 5, auxiliary mechanism; 501, installation cover; 502, net frame; 503, activated carbon; 504, installation groove; 505, installation frame; 6, first limiting rod; 7, auxiliary sleeve; 8, second limiting rod; 9, limiting groove; 10, main filter; 11, limiting block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Please refer to Figures 1-6 The utility model provides technical schemes:

[0029] A filter structure of air compressor, including filter shell 1 and cover plate 2, the inside of filter shell 1 is provided with main filter 10, the top of main filter 10 is provided with auxiliary mechanism 5, the top of cover plate 2 is provided with pretreatment mechanism 4;

[0030] Auxiliary mechanism 5 includes installation cover 501, two net frames 502, a plurality of activated carbon 503, installation groove 504 and installation frame 505, the bottom of installation cover 501 extends to the inside of installation groove 504 and is closely connected with the inside of installation groove 504, the opposite side of two net frames 502 is fixedly connected with the opposite side of installation cover 501 and installation groove 504 respectively, the top and bottom of activated carbon 503 are closely contacted with the opposite side of two net frames 502 respectively, installation groove 504 is opened in the top of installation frame 505, and the bottom of installation frame 505 is contacted with the top of main filter 10.

[0031] In the embodiment: by making the bottom of installation frame 505 contact with the top of main filter 10, installation frame 505 can conveniently limit two net frames 502 through installation groove 504, the top and bottom of activated carbon 503 are closely contacted with the opposite side of two net frames 502 respectively, so that two net frames 502 can conveniently install activated carbon 503 through installation groove 504, and fixed through installation cover 501, so that installation frame 505 can conveniently assist adsorption of peculiar smell and harmful gas through activated carbon 503.

[0032] Specifically, as shown in Figure 2 、 Figure 3 Pretreatment mechanism 4 includes two metal nets 401 arranged on the top of cover plate 2, and a metal shell 402 fixedly connected between the surfaces of the two metal nets 401.

[0033] Specifically, as shown in Figure 3 The inside of metal shell 402 is provided with a coarse filter cotton 403, and the top and bottom of coarse filter cotton 403 are respectively contacted with the opposite sides of the two metal nets 401.

[0034] Specifically, as shown in Figure 3 The inside of metal shell 402 is provided with a pretreatment frame 406, the inside of pretreatment frame 406 is fixedly connected with a ring seat 405, the top of ring seat 405 is provided with a connecting groove 404, the bottom of metal shell 402 extends to the inside of connecting groove 404 and is screw-connected with the inside of connecting groove 404, and the top of pretreatment frame 406 is provided with a connecting cover 3.

[0035] In the embodiment, the inner part of the metal shell 402 is fixedly connected with the surface of the metal net 401, so that the metal shell 402 is conveniently positioned by the metal net 401 on the rough filter cotton 403, the bottom of the metal shell 402 extends to the inner part of the connecting groove 404 and is threadedly connected with the inner part of the connecting groove 404, the pretreatment frame 406 is conveniently supported by the ring seat 405 on the rough filter cotton 403, and the effect of conveniently performing primary filtration on the inner part of air is achieved.

[0036] Specifically, as shown in Figure 4 the bottom of the mounting cover 501 is fixedly connected with two first limiting rods 6, and the surface of the first limiting rod 6 is in close contact with the inner part of the top net rack 502.

[0037] Specifically, as shown in Figure 4 , Figure 6 the bottom of the mounting frame 505 is fixedly connected with two second limiting rods 8, and the bottom of the second limiting rod 8 extends to the inner part of the main filter 10 and is in close contact with the inner part of the main filter 10.

[0038] In the embodiment, the surface of the first limiting rod 6 is in close contact with the inner part of the top net rack 502, so that the mounting cover 501 conveniently positions the net rack 502 by the first limiting rod 6, the top of the second limiting rod 8 is fixedly connected with the bottom of the mounting frame 505, the second limiting rod 8 conveniently positions the mounting frame 505, and the effect of positioning the mounting frame 505 is achieved.

[0039] Specifically, as shown in Figure 6 the bottom of the mounting frame 505 is fixedly connected with an auxiliary sleeve 7, and the bottom of the auxiliary sleeve 7 extends to the inner part of the main filter 10 and is in contact with the inner part of the main filter 10.

[0040] Specifically, as shown in Figure 6 the surface of the auxiliary sleeve 7 is provided with two limiting grooves 9, and the inner part of the main filter 10 is fixedly connected with two limiting blocks 11, and the surface of the limiting block 11 is in sliding connection with the inner part of the limiting groove 9.

[0041] In the embodiment, the top of the auxiliary sleeve 7 is fixedly connected with the bottom of the mounting frame 505, so that the auxiliary sleeve 7 conveniently supports the mounting frame 505, the surface of the limiting block 11 is in sliding connection with the inner part of the limiting groove 9, the limiting groove 9 conveniently positions the auxiliary sleeve 7 by the limiting block 11, and the effect of positioning the auxiliary sleeve 7 is achieved.

[0042] Working principle: when the filter shell 1 is filtered through the main filter 10, the pretreatment frame 406 is limited by the metal mesh 401 to limit the rough filter cotton 403, so that the metal mesh 401 and the rough filter cotton 403 can conveniently filter the larger particles in the air, thereby reducing the burden of the main filter 10, then the air after the initial filtration moves to the inside of the filter shell 1 through the cover plate 2, the mounting frame 505 is arranged on the top of the main filter 10 under the limitation of the auxiliary sleeve 7, so that the mounting frame 505 can conveniently adsorb the air after the initial filtration through the mesh frame 502 and the activated carbon 503, thereby conveniently adsorbing the odor and harmful gas in the air, thereby further improving the air quality after filtration, solving the problem that the existing air compressor filter structure is limited when adsorbing odor, oil vapor and harmful gas in the air when filtering through the main filter 10, and the larger particles in the air can easily increase the burden of the main filter 10, affecting the service life.

[0043] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An air compressor filtering structure comprising a filter shell (1) and a cover plate (2), characterized in that: The inside of the filter shell (1) is provided with a main filter (10), the top of the main filter (10) is provided with an auxiliary mechanism (5), and the top of the cover plate (2) is provided with a pretreatment mechanism (4). The auxiliary mechanism (5) comprises a mounting cover (501), two net racks (502), a plurality of activated carbons (503), a mounting groove (504) and a mounting frame (505), the bottom of the mounting cover (501) extends to the inside of the mounting groove (504) and is tightly connected with the inside of the mounting groove (504), the opposite sides of the two net racks (502) are fixedly connected with the opposite sides of the mounting cover (501) and the mounting groove (504) respectively, the top and the bottom of the activated carbon (503) are in tight contact with the opposite sides of the two net racks (502) respectively, the mounting groove (504) is arranged on the top of the mounting frame (505), and the bottom of the mounting frame (505) is in contact with the top of the main filter (10).

2. The filter structure of claim 1, wherein: The pretreatment mechanism (4) comprises two metal nets (401) arranged on the top of the cover plate (2), and a metal shell (402) fixedly connected between the surfaces of the two metal nets (401).

3. The filter structure of claim 2, wherein: The inside of the metal shell (402) is provided with coarse filter cotton (403), and the top and the bottom of the coarse filter cotton (403) are in contact with the opposite sides of the two metal nets (401) respectively.

4. The filter structure of claim 2, wherein: The inside of the metal shell (402) is provided with a pretreatment frame (406), the inside of the pretreatment frame (406) is fixedly connected with a ring seat (405), the top of the ring seat (405) is provided with a connecting groove (404), the bottom of the metal shell (402) extends to the inside of the connecting groove (404) and is screw-connected with the inside of the connecting groove (404), and the top of the pretreatment frame (406) is provided with a connecting cover (3).

5. The filter structure of claim 1, wherein: The bottom of the mounting cover (501) is fixedly connected with two first limiting rods (6), and the surface of the first limiting rod (6) is in tight contact with the inside of the top net rack (502).

6. The filter structure of claim 1, wherein: The bottom of the mounting frame (505) is fixedly connected with two second limiting rods (8), and the bottom of the second limiting rod (8) extends to the inside of the main filter (10) and is in tight contact with the inside of the main filter (10).

7. The filter structure of claim 1, wherein: The bottom of the mounting frame (505) is fixedly connected with an auxiliary sleeve (7), and the bottom of the auxiliary sleeve (7) extends to the inside of the main filter (10) and is in contact with the inside of the main filter (10).

8. The filter structure of claim 7, wherein: The surface of the auxiliary sleeve (7) is provided with two limiting grooves (9), the inside of the main filter (10) is fixedly connected with two limiting blocks (11), and the surface of the limiting block (11) is in sliding connection with the inside of the limiting groove (9).

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