Air inlet structure of air compressor

Abstract

The utility model provides an air inlet structure of an air compressor, and belongs to the field of air compressors. The air compressor solves the problem that an existing air compressor is prone to blockage during air inlet and inconvenient to maintain. The air inlet structure of the air compressor comprises a machine head with an air inlet, the air inlet of the machine head extends outwards in the axial direction to form an air inlet cylinder, and a filtering device and a fan blade device are arranged in the air inlet cylinder; the air inlet cylinder comprises a front end part and a rear end part, a first connecting piece and a second connecting piece are further arranged between the front end part and the rear end part, one end of the first connecting piece is movably connected with the second connecting piece through a hinge shaft, the other end of the first connecting piece is locked or separated through a fastening device, and the first connecting piece can be radially rotated and opened around the hinge shaft; the filtering device comprises a fixing base, a filtering piece and a plurality of filtering cotton pieces, the two ends of the filtering piece and the two ends of the filtering cotton pieces are fixed through baffles and connecting pieces, the fixing base is provided with through holes, and the fan blade device is arranged in the front end of the air inlet cylinder.

Description

TECHNICAL FIELD

[0001] The utility model belongs to air compressor field relates to an air compressor especially relates to an air compressor air inlet structure. BACKGROUND

[0002] Air compressor is also named air compressor, air compressor is a kind of equipment to compress gas. Air compressor is similar to water pump structure. Most air compressors are reciprocating piston, rotating blade or rotating screw.

[0003] The traditional air compressor air inlet structure has the following defects: single-stage filtration is easy to block, maintenance cycle is short, lack of sound attenuation design leads to noise exceeding standard, and particle separation efficiency is insufficient to accelerate internal wear, internal maintenance and cleaning are more difficult. SUMMARY

[0004] The utility model discloses a kind of air compressor air inlet structures to solve the above problems, to solve above problems for the above problems existing in prior art.

[0005] The utility model discloses a kind of air compressor air inlet structures, including the head with air inlet, it is characterized in that, the air inlet of the head is axially extended with air inlet cylinder outward, air inlet cylinder is provided with detachable filter device and the fan blade device for reducing airflow turbulence in;

[0006] The air inlet cylinder includes coaxially arranged front end and rear end, the first connecting piece and the second connecting piece with the symmetrical structure between the front end and the rear end are further provided with two, wherein, one end of the first connecting piece is movably connected with the second connecting piece by hinged shaft, the other end is locked or separated by fastening device, the first connecting piece can be radially rotated and opened around hinged shaft;

[0007] The filter device includes fixed seat fixed in the inner side of the first connecting piece, filter piece with the structure of the first filter and the cylinder, and a plurality of secondary filter cotton sheets distributed along the outer peripheral wall of filter piece, the both ends of filter piece and filter cotton sheet are fixed by baffle and connecting piece, and are connected on fixed seat by the thread cooperation of connecting piece and fixed seat, the fixed seat is provided with through hole and is realized side surface overturning and pulling out by its hinged structure;

[0008] The fan blade device is arranged in the front end of air inlet cylinder, for guiding airflow and destroying turbulence.

[0009] In the above-mentioned air compressor air inlet structure, the fastening device is the cooperation structure of bolt and bolt seat, for fixing and disassembling the first connecting piece.

[0010] In the above-mentioned air compressor air inlet structure, the cylindrical filter piece is stainless steel braided structure, and the corresponding end is fixed on the fixed seat by the thread cooperation of connecting piece and fixed seat.

[0011] In the air compressor intake structure, the outer wall of the intake cylinder is provided with a plurality of reinforcing ribs for improving the compression strength.

[0012] In the air compressor intake structure, the first connecting piece can move along an arc-shaped axial movement track at the hinge thereof, and cooperates with the second connecting piece, the front end portion and the rear end portion to form a sealed air intake passage.

[0013] Compared with the prior art, the air compressor intake structure has the following advantages:

[0014] 1. The hinge structure of the filter device and the intake cylinder can realize convenient disassembly and maintenance, reduce downtime, and utilize the combination of the cylindrical filter (stainless steel material resistant to corrosion) and the filter cotton sheet to consider the filtering efficiency and service life, and the impeller device reduces turbulence, improves the air compressor intake efficiency, and reduces energy consumption.

[0015] 2. The integrally formed intake cylinder combined with the external reinforcing ribs has strong compression resistance and is suitable for high pressure working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the three-dimensional structure of the air compressor intake structure.

[0017] In the figure, 1 is a head, 2 is an intake cylinder, 3 is an impeller device, 4 is a filter device, 5 is a front end portion, 6 is a rear end portion, 7 is a first connecting piece, 8 is a second connecting piece, 9 is a filter, 10 is a filter cotton sheet, 11 is a baffle, 12 is a fixed seat, 13 is a connecting piece, and 14 is a through hole. DETAILED DESCRIPTION

[0018] The following is a specific embodiment of the present application combined with the drawings, which further describes the technical scheme of the present application, but the present application is not limited to these embodiments.

[0019] For example, Figure 1As shown, the air compressor air inlet structure includes a head 1 with an air inlet, an air inlet cylinder 2 extends axially outwardly at the air inlet of the head 1, and a detachable filter device 4 and a fan blade device 3 for reducing airflow turbulence are arranged in the air inlet cylinder 2; the air inlet cylinder 2 includes coaxially arranged front end part 5 and rear end part 6, and further has two first connecting pieces 7 and second connecting pieces 8 arranged in a symmetrical structure between the front end part 5 and the rear end part 6, wherein one end of the first connecting piece 7 is movably connected with the second connecting piece 8 through a hinge shaft, and the other end is locked or separated through a fastening device, and the first connecting piece 7 can be radially rotated to open around the hinge shaft; the filter device 4 includes a fixed seat 12 fixed to the inner side of the first connecting piece 7, a filter 9 of a cylindrical structure for primary filtering, and a plurality of secondary filter cotton sheets 10 distributed along the outer peripheral wall of the filter 9, both ends of the filter 9 and the filter cotton sheets 10 are fixed through the baffle 11 and the connecting piece 13, and are connected with the fixed seat 12 through the thread cooperation of the connecting piece 13 and the fixed seat 12, the fixed seat 12 is provided with a through hole 14 and is realized to be flipped and pulled out from the side through the hinge structure, and the fan blade device 3 is arranged in the front end part 5 of the air inlet cylinder 2 and is used for guiding airflow and destroying turbulence.

[0020] The fastening device is a cooperation structure of a bolt and a bolt seat, which is used for fixing and dismounting the first connecting piece 7, the cylindrical filter 9 is a stainless steel woven structure, and the corresponding end is fixed on the fixed seat 12 through the thread cooperation of the connecting piece 13 and the fixed seat 12, the outer wall of the air inlet cylinder 2 is provided with a plurality of reinforcing ribs for improving the compression strength, the first connecting piece 7 can move along the arc axial movement track of the hinge, and cooperates with the second connecting piece 8, the front end part 5 and the rear end part 6 to form a sealed air inlet channel.

[0021] Working principle

[0022] Air inlet and filtering: when the air enters through the air inlet cylinder 2, it is firstly subjected to primary rough filtering by the cylindrical filter 9, and then is subjected to secondary fine filtering by the peripheral filter cotton sheets 10, so that the air cleanliness is improved through double filtering.

[0023] Turbulence control: the fan blade device 3 guides airflow at the front end of the air inlet cylinder 2, destroys airflow turbulence, and reduces energy loss.

[0024] Maintenance convenience: through the cooperation of the hinge structure of the first connecting piece 7 and the second connecting piece 8 and the fastening bolt, the first connecting piece 7 can be quickly opened, and at the same time, the filter device 4 is flipped and pulled out from the side for cleaning or replacement.

[0025] The specific embodiments described in the present document are only illustrative of the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0026] Although the terms are used more frequently herein, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of the present application; it is against the spirit of the present application to interpret them as any kind of additional limitation.

Claims

1. An air compressor air inlet structure comprising a head (1) with an air inlet, characterized in that, The air inlet of the machine head (1) extends axially outwardly with an air inlet cylinder (2), the air inlet cylinder (2) is provided with a detachable filtering device (4) and a fan blade device (3) for reducing air flow turbulence; The air inlet cylinder (2) comprises coaxially arranged front end (5) and rear end (6), the front end (5) and rear end (6) also have two first connecting piece (7) and second connecting piece (8) arranged in symmetrical structure, wherein one end of the first connecting piece (7) is movably connected with the second connecting piece (8) through the hinge shaft, the other end is locked or separated through the fastening device, the first connecting piece (7) can be radially rotated to open around the hinge shaft; The filtering device (4) comprises a fixed seat (12) fixed to the inner side of the first connecting piece (7), a filtering element (9) of primary filtering and cylindrical structure, and a plurality of secondary filtering cotton sheets (10) distributed along the outer peripheral wall of the filtering element (9), both ends of the filtering element (9) and the filtering cotton sheet (10) are fixed through the baffle (11) and the connecting piece (13), and are connected with the fixed seat (12) through the inner and outer thread cooperation of the connecting piece (13) and the fixed seat (12), the fixed seat (12) is provided with a through hole (14), and the side surface is turned over and pulled out through the hinge structure; The fan blade device (3) is arranged in the front end (5) of the air inlet cylinder (2), which is used for guiding air and destroying turbulence.

2. The air compressor intake structure of claim 1, wherein, The fastening device is the cooperation structure of bolt and bolt seat, which is used for fixing and disassembling the first connecting piece (7).

3. The air compressor intake structure of claim 1, wherein, The filtering element (9) is a stainless steel woven structure, which is fixed on the fixed seat (12) through the thread cooperation of the connecting piece (13) and the fixed seat (12).

4. The air compressor intake structure of claim 1, wherein, The outer wall of the air inlet cylinder (2) is provided with a plurality of reinforcing ribs for improving the compressive strength.

5. The air compressor intake structure of claim 1, wherein, The first connecting piece (7) can move along the arc axial motion track of the hinge, and cooperate with the second connecting piece (8), the front end (5) and the rear end (6) to form a sealed air inlet channel.

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