CN218687565U - Compressed air filter - Google Patents

Abstract

The utility model discloses a compressed air filter, which comprises a casing, an air outlet cavity and a cylindrical filter core. The outside of the casing is fixedly connected with an air inlet and an exhaust port, and the exhaust port is connected with the air outlet cavity. It communicates with the cylindrical filter element, and the bottom end of the shell is connected with a drain valve. The interior of the cylindrical filter element is provided with a cleaning mechanism, and the air outlet cavity is located between the cylindrical filter element and the inner wall of the shell. The cleaning mechanism includes bearings, A light-duty rotating rod, a fan blade and a cotton brush, the bearing is fixed on the inner bottom end of the cylindrical filter element, and the light-duty rotating rod is rotatably connected with the bearing. The utility model realizes the rapid dust reduction and filtering operation of the compressed air filter through the mutual cooperation between various components, and cleans the inner wall of the filter element of the filter cartridge while filtering the gas to prevent particles from flying randomly under the action of air circulation. Ensure the convenience of subsequent cleaning inside the device, and reduce the frequency of cleaning, thereby reducing the use and maintenance costs of the filter.

Description

a compressed air filter

technical field

The utility model relates to the technical field of filters, in particular to a compressed air filter.

Background technique

The compressed air filter is a first-stage filter device that sends and processes compressed air containing harmful substances such as dust, oil, rust, and moisture. When the compressed air passes through the cylindrical mesh filter element, it produces a coalescence effect, and the larger one Particles will be adsorbed on the filter material, and the water will condense into larger water droplets. After filtering the mixed gas, the impurities can be discharged. It is often used for terminal filtration in high cleanliness occasions.

Although the existing air filter is widely used, it still has problems in actual use: when the existing air filter is in use, its compressed air produces a coalescence effect when it passes through the mesh filter core of the filter cartridge, and the larger one Particles will be adsorbed on the filter material, and long-term operation will easily cause the filter element to be clogged, resulting in low air outlet efficiency of the filter element, and it needs to be cleaned regularly, which is troublesome.

Utility model content

The purpose of this utility model is to solve the above-mentioned shortcoming existing in the prior art, and propose a kind of compressed air filter.

In order to achieve the above object, the utility model adopts the following technical solutions:

A compressed air filter, comprising a shell, an air outlet cavity and a cylindrical filter element, the outer side of the shell is fixedly connected with an air inlet and an exhaust port, and the exhaust port is connected with the air outlet cavity, and the air inlet is connected with the cylindrical filter element The bottom end of the housing is connected with a drain valve, the inside of the cylindrical filter element is provided with a cleaning mechanism, and the air outlet chamber is located between the cylindrical filter element and the inner wall of the housing, and the cleaning mechanism includes a bearing, a light rotary rod, a fan leaf and cotton brush, the bearing is fixed on the inner bottom end of the cylindrical filter element, and the light-duty rotating rod is rotatably connected with the bearing, the fan blades are provided with multiple and fixedly connected with the light-duty rotating rod, and the fan blades are S-shaped, The cotton brush covers the arc edge of the fan blade and contacts the inner wall of the cylindrical filter element.

Preferably, the inner top of the housing is fixedly connected with a guide ring, the top of the cylindrical filter element is screwed and rotatably connected with the guide ring, and one end of the air inlet extends to the inner side of the guide ring and is inseparable from the cylindrical filter element. Stitched on.

Preferably, a cylindrical liquid storage chamber is provided in the housing, the diameter of the liquid storage chamber is larger than the diameter of the cylindrical filter element, the bottom of the cylindrical filter element is located in the liquid storage chamber, and the fan blade is located in the liquid storage chamber. the top side of the cavity.

Preferably, a primary filter screen is detachably connected to the inside of the air inlet, and the aperture of the primary filter screen is larger than that of the cylindrical filter element.

Preferably, the outer top of the housing is fixedly connected with multi-layer cooling fins, and the bottom end of the cooling fins is higher than the top of the cylindrical filter element.

Preferably, the curved surface of the fan blade is smooth, and the surface is evenly coated with anti-dust paint.

Compared with the prior art, the beneficial effects of the utility model are:

The utility model realizes the rapid dust reduction and filtering operation of the compressed air filter through the mutual cooperation between various components, and cleans the inner wall of the filter element of the filter cartridge while filtering the gas, so that the gas can flow smoothly in the device and ensure the air The flow is smooth, so as to ensure the stability of the pressure difference inside and outside the device.

The utility model can settle the large particles of impurities swept down by the cleaning mechanism and the liquid storage chamber, prevent the particles from flying randomly under the action of air circulation, ensure the convenience of subsequent cleaning inside the device, and reduce the cleaning frequency, thereby reducing the use and maintenance The cost meets the needs of people when using the filter.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the side view structural representation of the utility model;

Fig. 3 is a schematic diagram of a partial internal sectional structure of the utility model;

Fig. 4 is a schematic diagram of a side view connection structure of a fan blade of the present invention.

In the figure: 1. Shell; 2. Air outlet cavity; 3. Air inlet; 4. Exhaust port; 5. Cylindrical filter element; 6. Bearing; 7. Light rotary rod; 8. Fan blade; 9. Guide ring ; 10. Primary filter screen; 11. Liquid storage chamber; 12. Drain valve; 13. Cotton brush; 14. Heat sink.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

Embodiment one

Referring to Figures 1-4, a compressed air filter, in order to ensure that the gas can be initially filtered, includes a housing 1, an air outlet chamber 2 and a cylindrical filter element 5, and the outside of the housing 1 is fixedly connected with an air inlet 3 And the exhaust port 4, and the exhaust port 4 is connected with the air outlet chamber 2, and the air inlet 3 is connected with the cylindrical filter element 5. In order to facilitate the removal of impurities inside the filter, a sewage discharge port is connected to the bottom of the shell 1 here. The valve 12 and the inside of the cylindrical filter element 5 are provided with a cleaning mechanism, and the air outlet cavity 2 is located between the cylindrical filter element 5 and the inner wall of the housing 1. In order to facilitate the synchronous cleaning of the inner wall of the cylindrical filter element 5 when filtering gas, the cleaning mechanism includes Bearing 6, light-duty rotating rod 7, fan blade 8 and cotton brush 13, bearing 6 is fixed on the inner bottom end of cylindrical filter element 5, and light-duty rotating rod 7 is connected with bearing 6 in rotation, fan blade 8 is provided with multiple and is connected with light-duty The rotating rod 7 is fixedly connected, and the fan blade 8 is S-shaped, and the cotton brush 13 covers the arc edge of the fan blade 8 and contacts the inner wall of the cylindrical filter element 5;

In this embodiment, when the device is working, the integrated gas enters and exits from the air inlet 3 and is transported to the cylindrical filter element 5 for primary filtration, and when the mixed gas passes into the cylindrical filter element 5, wind force is generated, thereby cleaning the fan of the mechanism. The blade 8 rotates under the wind force, and cleans the inner wall of the cylindrical filter element 5 through the cotton brush 13, so as to ensure that the gas can flow smoothly into the air outlet chamber 2 and be discharged from the exhaust port 4, and the fallen impurity particles are cleaned and subjected to dust reduction treatment Finally, it can be discharged through the drain valve 12.

Embodiment two

Referring to Figures 1-4, in this embodiment, it is basically the same as Embodiment 1, and more optimally, the inner top of the housing 1 is fixedly connected with a guide ring 9, and the top of the cylindrical filter element 5 is screwed and rotatably connected with the guide ring 9, One end of the air inlet 3 extends to the inner side of the guide ring 9 and is seamlessly connected with the cylindrical filter element 5, the seal of the connection part is guaranteed through the guide ring 9, and the exhaust gas is guided to reduce the flow loss, and the circle The cartridge filter element 5 is easy to disassemble and assemble, thereby improving efficiency;

The housing 1 is provided with a cylindrical liquid storage chamber 11. The diameter of the liquid storage chamber 11 is larger than the diameter of the cylindrical filter element 5. The bottom of the cylindrical filter element 5 is located in the liquid storage chamber 11. In order to prevent the water in the liquid storage chamber 11 from The rotation of the blade 8 causes resistance. Here, the fan blade 8 is arranged on the top side of the liquid storage chamber 11, through the liquid storage chamber 11, the particles swept down can be aggravated and settled, thereby preventing them from flying randomly under the action of the gas flow. Ensure the overall filtering effect;

The inside of the air inlet 3 is detachably connected with a primary filter screen 10, and the aperture of the primary filter screen 10 is larger than the aperture of the cylindrical filter element 5. The outer top of the housing 1 is fixedly connected with a multi-layer heat sink 14, and the bottom end of the heat sink 14 is It is higher than the top of the cylindrical filter element 5, and the primary filter 10 is used to perform primary screening of the carried out gas, thereby improving the filtering effect, and accelerating the heat dissipation effect of the device through the heat sink 14, so as to prevent heat accumulation when processing the hot flow gas;

The curved surface of the fan blade 8 is smooth, and the surface is evenly coated with anti-dust paint, so that the dust-proof paint prevents impurity particles from adhering and stagnating on the fan blade 8, and prevents the impurity particles from remaining.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A compressed air filter, comprising a shell (1), an air outlet cavity (2) and a cylindrical filter element (5), is characterized in that the outside of the shell (1) is fixedly communicated with an air inlet (3) and The exhaust port (4), and the exhaust port (4) communicates with the air outlet cavity (2), the air inlet (3) communicates with the cylindrical filter element (5), and the bottom end of the shell (1) is connected with a sewage Valve (12), the inside of the cylindrical filter element (5) is provided with a cleaning mechanism, and the air outlet cavity (2) is located between the cylindrical filter element (5) and the inner wall of the housing (1), and the cleaning mechanism includes a bearing (6 ), light-duty rotating rod (7), fan blade (8) and cotton brush (13), described bearing (6) is fixed on the inner bottom end of cylindrical filter element (5), and light-duty rotating rod (7) and bearing ( 6) rotating connection, the fan blades (8) are provided with multiple and fixedly connected with the light rotating rod (7), and the fan blades (8) are S-shaped, and the cotton brush (13) covers the fan blades (8) ) and contacts the inner wall of the cylindrical filter element (5). 2. A compressed air filter according to claim 1, characterized in that, the inner top of the casing (1) is fixedly connected with a guide ring (9), and the top of the cylindrical filter element (5) is connected with the guide ring. The flow ring (9) is screwed and rotatably connected, and one end of the air inlet (3) extends to the inner side of the flow guide ring (9) and seamlessly connects with the cylindrical filter element (5). 3. A kind of compressed air filter according to claim 1, characterized in that, the housing (1) is provided with a cylindrical liquid storage chamber (11), and the diameter of the liquid storage chamber (11) is larger than diameter of the cylindrical filter element (5), the bottom of the cylindrical filter element (5) is located in the liquid storage chamber (11), and the fan blade (8) is located on the top side of the liquid storage chamber (11). 4. A kind of compressed air filter according to claim 1, is characterized in that, the inside of described air inlet (3) is detachably connected with primary filter screen (10), and the aperture of primary filter screen (10) Larger than the pore diameter of the cylindrical filter element (5). 5. A kind of compressed air filter according to claim 1, it is characterized in that, the outer top of described housing (1) is fixedly connected with multi-layer cooling fin (14), and the bottommost end of described cooling fin (14) Higher than the top of the cylindrical filter element (5). 6. A compressed air filter according to claim 1, characterized in that the curved surface of the fan blade (8) is smooth, and its surface is evenly coated with anti-dust paint.

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