Inlet air filtering mechanism of air compressor

Abstract

The utility model relates to the field of air compressors, and discloses an air inlet filtering mechanism of an air compressor, which comprises air compression equipment, a compression cylinder is arranged on the upper surface of the air compression equipment, an air inlet is formed in the middle of one end of the compression cylinder, and a fixed pipe is fixedly mounted on the outer surface of the compression cylinder close to the outside of the air inlet; a support frame is fixedly mounted on the outer surface of the air compression equipment close to the fixed pipe; a damping bearing is mounted at the bottom between the air compression equipment and the support frame; according to the air compression equipment, the fiber filter block, the activated carbon adsorption block and the metal filter screen are arranged on the outer surface of the air inlet, so that the effect of conveniently filtering air entering the air inlet is achieved, and the cleanliness of the air entering the air compression equipment is improved; the problem that dust and impurities in air enter the air compression equipment to cause damage is solved, and the overall disassembly and replacement convenience of the fiber filter block, the activated carbon adsorption block and the metal filter screen is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of air compressors, in particular to an air compressor air inlet filtering mechanism. BACKGROUND

[0002] The air compressor is a kind of mechanical equipment that converts the mechanical energy of prime mover into gas pressure energy, increases the density of gas molecules in unit volume by compressing the volume of gas, thereby increasing the pressure of compressed air. Common piston compressor and screw compressor belong to volumetric compressor. The piston compressor realizes the compression of gas by changing the volume in the cylinder through the reciprocating motion of the piston in the cylinder. The screw compressor is compressed by gas in the volume change between the meshing screw rods.

[0003] When the air compressor is in use, the external air is generally compressed by the compression cylinder and then sucked in. However, when the air compressor is placed in some relatively complex environment for use, such as a construction area, the air in the environment may contain some dust and particulate matter. The impurities in the dust may enter the interior of the air compressor along with the compression cylinder, thereby causing certain damage to the air compressor and reducing the overall service life of the air compressor.

[0004] For the above-mentioned related technology, the inventor believes that the compression cylinder of the air compressor has the defect that the air sucked in contains dust and impurities, and therefore proposes an air compressor air inlet filtering mechanism to solve the above problems. CONTENT OF THE INVENTION

[0005] In order to solve the problem that the compression cylinder of the air compressor has dust and impurities in the air sucked in, the present application provides an air compressor air inlet filtering mechanism.

[0006] The air compressor air inlet filtering mechanism provided by the present application adopts the following technical scheme:

[0007] An air compressor air inlet filtering mechanism, comprising an air compression device, the upper surface of the air compression device is provided with a compression cylinder, the middle of one end of the compression cylinder is provided with an air inlet, the outer surface of the compression cylinder is fixedly installed with a fixed pipe near the outside of the air inlet, the outer surface of the air compression device is fixedly installed with a support frame near the fixed pipe, a damping bearing is installed between the bottom of the air compression device and the support frame, an active support frame is hinged to the outer surface of the damping bearing between the fixed pipe and the support frame, an installation slot is formed in the interior of the active support frame, a fiber filter block is installed in the interior of the installation slot, an activated carbon adsorption block is fixedly installed at one end of the fiber filter block, a metal filter screen is fixedly connected to the other end of the fiber filter block, and a limiting mechanism is further arranged on the outer surface of the compression cylinder for fixing the active support frame between the fixed pipe and the support frame.

[0008] Preferably, the limiting mechanism comprises a limiting body fixedly installed at the top of the outer surface of the movable support, a fixed branch pipe is welded on the upper surface of the compression cylinder near the fixed pipe, a limiting plug rod is movably installed through the middle of one end of the fixed branch pipe, and a spring is sleeved on one side of the outer surface of the limiting plug rod inside the fixed branch pipe.

[0009] Preferably, the fiber filter block, the activated carbon adsorption block and the metal filter screen are all located inside the installation groove, and the cross-sectional area of the fiber filter block, the activated carbon adsorption block and the metal filter screen is greater than the cross-sectional area of the opening of the air inlet.

[0010] Preferably, a limiting hole is provided through the top of one side of the limiting body, the outer diameter of the limiting plug rod is smaller than the inner diameter of the limiting hole, and the limiting plug rod and the limiting hole are mutually clamped.

[0011] Preferably, a limiting baffle is welded on one side of the outer surface of the limiting plug rod inside the fixed branch pipe, one side of the spring abuts against the limiting baffle, and the inner diameter of the opening at both sides of the fixed branch pipe is smaller than the outer diameter of the limiting baffle.

[0012] To sum up, the present application has the following beneficial technical effects:

[0013] By rotating the movable support to move along the fixed pipe and the support frame, the fiber filter block, the activated carbon adsorption block and the metal filter screen are placed into the installation groove, the movable support is movably clamped at the opening of one end of the air inlet, the limiting plug rod is movably inserted into the limiting body, and the movable support is fixed between the fixed pipe and the support frame. Compared with the prior art, the present application has the effect of conveniently filtering the air entering the air inlet, improves the cleanliness of the air entering the air compression device, solves the problem of damage caused by dust and debris in the air entering the air compression device, and improves the overall disassembly and replacement convenience of the fiber filter block, the activated carbon adsorption block and the metal filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 is a schematic diagram of the overall structure of the application embodiment;

[0015] Fig. 2 is a schematic diagram of the structure of the support frame in the application embodiment;

[0016] Fig. 3 is a schematic diagram of the cross-sectional structure of the movable support in the application embodiment;

[0017] Explanation of reference signs: 1, air compression device; 2, compression cylinder; 3, air inlet; 4, fixed pipe; 5, support frame; 6, damping bearing; 7, movable support; 8, mounting groove; 9, fiber filter block; 10, activated carbon adsorption block; 11, metal filter screen; 12, limiting body; 13, fixed branch pipe; 14, limiting plug; 15, spring. DETAILED DESCRIPTION

[0018] The following will be described in detail in combination with the accompanying drawings Figs. 1-3 The application is further described in detail.

[0019] The embodiment of the application discloses an air inlet filtering mechanism of an air compressor. Figs. 1-3 An air inlet filtering mechanism of an air compressor, comprising an air compression device 1, the upper surface of the air compression device 1 is provided with a compression cylinder 2, the middle of one end of the compression cylinder 2 is provided with an air inlet 3, the outer surface of the compression cylinder 2 is fixedly installed with a fixed pipe 4 near the outside of the air inlet 3, the outer surface of the air compression device 1 is fixedly installed with a support frame 5 near the fixed pipe 4, a damping bearing 6 is installed between the bottom of the air compression device 1 and the support frame 5, a movable support 7 is hinged to the outer surface of the damping bearing 6 between the fixed pipe 4 and the support frame 5, a mounting groove 8 is formed in the inside of the movable support 7, a fiber filter block 9 is installed in the inside of the mounting groove 8, an activated carbon adsorption block 10 is fixedly installed at one end of the fiber filter block 9, a metal filter screen 11 is fixedly connected to the other end of the fiber filter block 9, the fiber filter block 9, the activated carbon adsorption block 10 and the metal filter screen 11 are all located in the inside of the mounting groove 8, the cross-sectional area of the fiber filter block 9, the activated carbon adsorption block 10 and the metal filter screen 11 is all greater than the cross-sectional area of the opening of the air inlet 3, and a limiting mechanism is further arranged on the outer surface of the compression cylinder 2, for fixing the movable support 7 between the fixed pipe 4 and the support frame 5.

[0020] By rotating the movable support 7 along the outer surface of the damping bearing 6, the movable support 7 is slid out of between the fixed pipe 4 and the support frame 5, the fiber filter block 9, the activated carbon adsorption block 10 and the metal filter screen 11 are put into the inside of the mounting groove 8 along one end of the movable support 7, the movable support 7 is reversely rotated and reconnected between the fixed pipe 4 and the support frame 5, and one end of the metal filter screen 11 abuts against the opening of one end of the air inlet 3, thereby realizing the filtering effect of air entering the air inlet 3.

[0021] Refer to Fig. 2 and Fig. 3The limiting mechanism comprises a limiting body 12 fixedly installed at the top of the outer surface of the movable support 7, a fixed branch pipe 13 welded on the upper surface of the compression cylinder 2 close to the fixed pipe 4, a limiting plug rod 14 movably installed through the fixed branch pipe 13 at one end of the middle part, a limiting hole through-provided at the top of one side of the limiting body 12, the outer diameter of the limiting plug rod 14 being smaller than the inner diameter of the limiting hole, the limiting plug rod 14 and the limiting hole being mutually clamped, a spring 15 sleeved on the outer surface of one side of the limiting plug rod 14 inside the fixed branch pipe 13, a limiting baffle welded on the outer surface of one side of the limiting plug rod 14 inside the fixed branch pipe 13, the spring 15 abutting on one side of the limiting baffle, and the inner diameter of the opening at both sides of the fixed branch pipe 13 being smaller than the outer diameter of the limiting baffle.

[0022] By aligning one end of the limiting body 12 with the opening at one end of the fixed branch pipe 13, the limiting plug rod 14 is movably inserted into the limiting body 12 under the elastic force of the spring 15, so that the limiting plug rod 14 limits the overall rotation of the movable support 7, and the movable support 7 is fixed between the fixed pipe 4 and the support frame 5, thereby realizing the fixed placement effect of the movable support 7 between the fixed pipe 4 and the support frame 5.

[0023] The implementation principle of the air inlet filtering mechanism of the air compressor is that: by rotating the movable support 7 along the outer surface of the damping bearing 6, the movable support 7 is movably slid out from between the fixed pipe 4 and the support frame 5, the fiber filter block 9, the activated carbon adsorption block 10 and the metal filter screen 11 are placed into the installation groove 8 at one end of the movable support 7, the movable support 7 is reversely rotated to be re-clamped between the fixed pipe 4 and the support frame 5, one end of the metal filter screen 11 abuts on the opening at one end of the air inlet 3, one end of the limiting body 12 is aligned with the opening at one end of the fixed branch pipe 13, and the limiting plug rod 14 is movably inserted into the limiting body 12 under the elastic force of the spring 15, so that the limiting plug rod 14 limits the overall rotation of the movable support 7, and the movable support 7 is fixed between the fixed pipe 4 and the support frame 5. By controlling the movement of the movable support 7, the fiber filter block 9, the activated carbon adsorption block 10 and the metal filter screen 11 can be conveniently disassembled and replaced. Compared with the prior art, the present scheme has the effect of conveniently filtering the air entering the air inlet 3, improves the cleanliness of the air entering the air compression device 1, solves the problem of damage caused by dust and sundries in the air entering the air compression device 1, and improves the convenience of disassembling and replacing the fiber filter block 9, the activated carbon adsorption block 10 and the metal filter screen 11.

[0024] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0025] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0026] Finally: the above only for the preferred embodiment of the utility model has, and does not limit the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

[0027] The above are the preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application, should be covered within the protection scope of the present application.

Claims

1. An air compressor air inlet filtering mechanism, comprising an air compression device (1), the upper surface of the air compression device (1) is provided with a compression cylinder (2), the middle of one end of the compression cylinder (2) is provided with an air inlet (3), characterized in that: The outer surface of the compression cylinder (2) is fixedly installed with a fixed pipe (4) near the outside of the air inlet (3), the outer surface of the air compression device (1) is fixedly installed with a support frame (5) near the fixed pipe (4), a damping bearing (6) is installed between the bottom of the air compression device (1) and the support frame (5), the outer surface of the damping bearing (6) is hinged with a movable support (7) between the fixed pipe (4) and the support frame (5), the movable support (7) is provided with an installation slot (8) in the inside, the installation slot (8) is installed with a fiber filter block (9) in the inside, one end of the fiber filter block (9) is fixedly installed with an activated carbon adsorption block (10), the other end of the fiber filter block (9) is fixedly connected with a metal filter screen (11), the outer surface of the compression cylinder (2) is further provided with a limiting mechanism for fixing the movable support (7) between the fixed pipe (4) and the support frame (5).

2. The air compressor intake filter mechanism of claim 1, wherein: The limiting mechanism comprises a limiting body (12) fixedly installed on the outer surface of the movable support (7) at the top, a fixed branch pipe (13) is welded on the upper surface of the compression cylinder (2) near the fixed pipe (4), a limiting plug rod (14) is movably installed through the middle of one end of the fixed branch pipe (13), a spring (15) is sleeved on the outer surface of one side of the limiting plug rod (14) inside the fixed branch pipe (13).

3. The air compressor intake filter mechanism of claim 1, wherein: The fiber filter block (9), the activated carbon adsorption block (10) and the metal filter screen (11) are all located inside the installation slot (8), and the cross-sectional area of the fiber filter block (9), the activated carbon adsorption block (10) and the metal filter screen (11) is greater than the cross-sectional area of the opening of the air inlet (3).

4. The air compressor intake filter mechanism of claim 2, wherein: The limiting body (12) is provided with a limiting hole through the top of one side, the outer diameter of the limiting plug rod (14) is smaller than the inner diameter of the limiting hole, and the limiting plug rod (14) and the limiting hole are mutually clamped.

5. The air compressor intake filter mechanism of claim 2, wherein: The outer surface of one side of the limiting plug rod (14) is welded with a limiting baffle in the inside of the fixed branch pipe (13), one side of the spring (15) abuts against the limiting baffle, and the inner diameters of the openings on both sides of the fixed branch pipe (13) are smaller than the outer diameter of the limiting baffle.

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