Air filter

Abstract

The invention relates to the technical field of filters, in particular to an air filter which comprises a tank body, a partition plate is fixed in the tank body and divides the interior of the tank body into an air inlet cavity and an air outlet cavity, the tank body in the air inlet cavity comprises a plurality of filtering devices, and each filtering device comprises a supporting pipe fixed to the tank body. An air inlet penetrating through the supporting pipe is formed in the supporting pipe, the supporting pipe is sleeved with a sealing pipe in sliding connection with the supporting pipe, a limiting block is fixed to the sealing pipe, the limiting block is arranged at the position of the air inlet and is in sliding connection with the air inlet, and a push plate is further fixed to the sealing pipe. Springs are fixed between the push plates and the partition plates, and exhaust pipes are fixed to the portions, in the supporting pipes, of the partition plates. By arranging the multiple filtering devices, when the filter element is taken down after being used for a period of time, the corresponding supporting pipe is automatically sealed, filtering is carried out through other filtering devices, shutdown waiting for filter element replacement is not needed, and continuous use of the device is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the filter technical field, especially to an air filter. BACKGROUND

[0002] The filter is an indispensable device on the medium conveying pipeline, which is usually installed in the pressure reducing valve, pressure relief valve and constant level valve, and the inlet end of other equipment of the filter, the filter is composed of a cylinder, a stainless steel filter screen, a blowdown part, a transmission device and an electrical control part, with the rapid development of industry and urbanization, the problem of air pollution is becoming increasingly serious, in order to improve the indoor air quality, the air filter is widely used in various places such as family, office and factory.

[0003] The patent application No.CN202323561386.7 discloses a paper partition plate air filter, which comprises an air filter main body box and a high-temperature-resistant filter box, the outer side of the air filter main body box is provided with an air inlet plate, the inner wall of the air inlet plate and the inner wall of the air filter main body box are jointly screwed with two groups of cross bolts, the upper surface of the air filter main body box is movably hinged with a sealing door, the upper surface of the sealing door is fixedly connected with a controller, the upper surface of the sealing door is provided with an observation window, the upper surface of the high-temperature-resistant filter box is fixedly connected with a temperature sensor, and the inner part of the high-temperature-resistant filter box is respectively clamped with a plurality of same superfine glass fiber filter papers and a plurality of same segmentation plates. However, after such an air filter is used for a period of time, impurities will cover the filter paper, and the filter paper needs to be replaced or cleaned for a long time, so that the continuous filtration of air cannot be realized.

[0004] The present application is proposed in view of the deficiencies of the prior art. SUMMARY

[0005] The present application aims at overcoming the above-mentioned deficiencies of the prior art, and provides an air filter.

[0006] The present application can be realized by the following technical solutions:

[0007] The application discloses an air filter, which comprises a tank body, a partition plate is fixed in the tank body, the partition plate divides the tank body into an air inlet cavity and an air outlet cavity, the tank body in the air inlet cavity comprises a plurality of filter devices, the filter device comprises a support pipe fixed on the tank body, an air inlet is arranged on the support pipe and penetrates the support pipe, a sealing pipe is sleeved on the support pipe and is in sliding connection with the support pipe, a limiting block is fixed on the sealing pipe, the limiting block is arranged at the position of the air inlet and is in sliding connection with the air inlet, a push plate is further fixed on the sealing pipe, springs are fixed between the push plate and the partition plate, an exhaust pipe is fixed on the partition plate in the support pipe, an exhaust hole is arranged on the partition plate and penetrates the partition plate and corresponds to the exhaust pipe, a filter core is further arranged in the support pipe, a pushing ring matched with the limiting block is fixed on the filter core and corresponds to the limiting block, fixed pipes are fixed on the tank body on one side of the support pipe, sealing covers are arranged on the fixed pipes and are in threaded connection with the fixed pipes, an air inlet pipe is fixed on the bottom of the tank body at the position of the air inlet cavity, and an air outlet pipe is further fixed on the tank body on one side of the air outlet cavity.

[0008] Preferably, a fixing ring is further fixed on the partition plate at the position of the support pipe. Since the space for the movement of the pushing ring needs to be reserved in the support pipe, the fixing ring is arranged at the end of the partition plate and is used for positioning and supporting the periphery of the filter core.

[0009] Preferably, a limiting ring matched with the sealing pipe is further fixed on the support pipe. When the filter core is taken out, the limiting ring is used for pressing the sealing pipe.

[0010] Compared with the prior art, the application has the following advantages:

[0011] The device is provided with a plurality of filter devices, when the filter core is taken out after being used for a period of time, the corresponding support pipe is automatically sealed, the filtering is performed through other filter devices, the device does not need to be stopped for waiting for the replacement of the filter core, and the continuous use of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] The specific embodiment of the application will be further described in detail below in combination with the drawings, in which:

[0013] Figure 1 It is a structural schematic view of the application;

[0014] Figure 2 It is a front view of the application;

[0015] Figure 3 It is Figure 2 It is a sectional view at A-A in the middle;

[0016] Figure 4 It is Figure 3 It is an enlarged view at B in the middle;

[0017] In the figure: 1, tank body; 2, partition; 3, air inlet cavity; 4, air outlet cavity; 5, air inlet pipe; 6, air outlet pipe; 7, support pipe; 8, air inlet; 9, sealing pipe; 10, limiting block; 11, exhaust pipe; 12, exhaust hole; 13, fixing ring; 14, filter element; 15, pushing ring; 16, push plate; 17, spring; 18, fixed pipe; 19, sealing cover; 20, limiting ring; DETAILED DESCRIPTION

[0018] The embodiments of the present application will be described in detail below with reference to the accompanying drawings:

[0019] Example 1

[0020] As Figures 1 to 4As shown, this embodiment discloses an air filter, including a tank 1. A partition 2 is fixed inside the tank 1, dividing the interior of the tank 1 into an air inlet chamber 3 and an air outlet chamber 4. The tank 1 in the air inlet chamber 3 contains multiple filtering devices. Each filtering device includes a support tube 7 fixed to the tank 1. An air inlet 8 is provided on the support tube 7, penetrating the support tube 7. A sealing tube 9 is sleeved on the support tube 7 and slidably connected to the support tube 7. A limit block 10 is fixed on the sealing tube 9, positioned at the air inlet 8 and slidably connected to the air inlet 8. A push plate 16 is also fixed on the sealing tube 9, and the push plate 16 is connected to the partition 4. Springs 17 are fixed between each of the two. Exhaust pipes 11 are fixed on the partitions 2 inside the support tube 7. Exhaust holes 12 are provided on the partitions 2 corresponding to the exhaust pipes 11. Filter element 14 is also placed inside the support tube 7. Push ring 15 is fixed on the filter element 14 corresponding to the limit block 10 and used in conjunction with the limit block 10. Fixed pipes 18 are fixed on the tank body 1 on one side of the support tube 7. Sealing caps 19 are provided on the fixed pipes 18 and are threadedly connected to the fixed pipes 18. Air inlet pipe 5 is fixed at the bottom of the tank body 1 at the air inlet chamber 3. Air outlet pipe 6 is also fixed on the tank body 1 on the side of the air outlet chamber 4. The filter element 14 is fixed inside each support tube 7. The filter element 14 is fixed inside the support tube 7 by threaded connection between the sealing cap 19 and the fixing tube 18. When placing the filter element 14, insert it into the support tube 7. After the pusher ring 15 on the filter element 14 contacts the limiting block 10 on the sealing tube 9, it pushes the limiting block 10 to move. The sealing tube 9 moves with the limiting block 10. After the sealing tube 9 moves, the air inlet 8 opens. When the bottom of the filter element 14 contacts the partition 2, the sealing cap 19 is fixed on the fixing tube 18. After the sealing cap 19 is fixed, the end of the filter element 14 abuts against the partition 2. When the filter is in use, the air compressed by the compressor enters the air inlet chamber 3 through the air inlet pipe 5. After the air enters the support tube 7 through the air inlet 8 on each support tube 7, the air is filtered by the filter element 14. The filtered air is discharged into the air outlet chamber 4 through the exhaust port 12 and then discharged through the air outlet pipe 6 for use. After a period of time, when it is necessary to clean each filter element 14, remove the sealing cover 19, pull out the filter element 14. When the filter element 14 moves, due to the action of the spring 17, the spring 17 pushes the push plate 16 to move, and the push plate 16 drives the sealing tube 9 to move. After the filter element 14 moves, the sealing tube 9 covers the air inlet 8 of the support tube 7 and seals the corresponding air inlet 8. After the air inlet 8 is sealed, clean the dust in the support tube 7 and replace it with a new filter element 14. Fix the filter element 14 in the support tube 7 again. When the filter element 14 is fixed, the push ring 15 on the filter element 14 pushes the limit block 10 to move again. After the sealing tube 9 moves, the air inlet 8 is opened again. The cycle continues. This device is equipped with multiple filtration devices. When the filter element 14 is used for a period of time, when the filter element 14 is removed, the corresponding support tube 7 is automatically sealed, and filtration is carried out through other filtration devices. There is no need to stop the machine to wait for the filter element 14 to be replaced, ensuring the continuous use of the device.

[0021] A fixing ring 13 is also fixed on the partition 2 at the position of the support tube 7. Since space needs to be left inside the support tube 7 for the pusher ring 15 to move, a fixing ring 13 is set at the end of the partition 2 to position and support the filter element 14.

[0022] Example 2:

[0023] This embodiment discloses an air filter. Based on the structure and principle of Embodiment 1, this embodiment also has a limiting ring 20 fixed on the support tube 7 to cooperate with the sealing tube 9. When the filter element 14 is removed, the limiting ring 20 holds the sealing tube 9 in place.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air filter, characterized in that, The device includes a tank body, within which a partition is fixed, dividing the tank body into an air inlet chamber and an air outlet chamber. The tank body within the air inlet chamber contains multiple filter devices. Each filter device includes a support tube fixed to the tank body, with an air inlet extending through the support tube. A sealing tube, slidably connected to the support tube, is sleeved on the support tube. A limit block is fixed to the sealing tube, positioned at the air inlet and slidably connected to it. A push plate is also fixed to the sealing tube, with the push plate positioned between the push plate and the partition. All are fixed with springs. Each of the partitions inside the support tube is fixed with an exhaust pipe. The partitions are provided with exhaust holes that penetrate the partitions at positions corresponding to the exhaust pipes. A filter element is also placed inside the support tube. A pusher ring that works with the limit block is fixed on the filter element at a position corresponding to the limit block. Each tank on one side of the support tube is fixed with a fixing tube. A sealing cap that is threadedly connected to the fixing tube is provided on the fixing tube. An air inlet pipe is fixed at the bottom of the tank at the air inlet chamber position. An air outlet pipe is also fixed on the tank on the air outlet chamber side.

2. The air filter according to claim 1, characterized in that: A fixing ring is also fixed on the partition at the location of the support tube.

3. The air filter according to claim 1, characterized in that: The support tube is also fixed with a limiting ring that works in conjunction with the sealing tube.

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