Inlet filter

Abstract

The utility model discloses an inlet filter, and particularly relates to the technical field of filters, the inlet filter comprises a shell, one end of the shell is provided with a sealing plate, the inner wall of the sealing plate is fixedly provided with a threaded rod, the threaded rod is sleeved with a high-precision filter element, and the outer wall surface and the inner wall surface of the high-precision filter element are respectively provided with a first annular plate and a second annular plate. The threaded rod is sleeved with the second annular plate and the first annular plate. The first annular plate, the second annular plate and the nut are matched, the high-precision filter element is firmly fixed to the threaded rod, then the sealing plate and the shell are fixed through the multiple duckbilled locks and the multiple buckles, and then the high-precision filter element can be used for filtering; the inlet filter is simple in structure and very convenient to install and maintain, and the threaded rod, the first annular plate, the second annular plate, the round rod and the nut are all contained in the shell, so that the appearance of the whole inlet filter is more attractive and elegant.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, more specifically to an imported filter. Background Art

[0002] A centrifugal compressor is a type of rotary blade compressor. In a centrifugal compressor, the high-speed rotating impeller exerts centrifugal force on the gas. Since the inlet of the centrifugal compressor often absorbs large particles, it will cause erosion to the impeller of the centrifugal compressor, shortening the life of the impeller. Generally, a filter is arranged at the inlet of the centrifugal compressor to filter out the particles and increase the service life of the impeller.

[0003] In order to improve the filtering effect of the existing imported filters, a Chinese patent with the prior art authorization announcement number CN219691723U discloses a compressor imported filter. This utility model solves the problem that the traditional filter is not easy to disassemble, clean and replace by adding a detachable high-precision filter element. At the same time, the added multi-layer folded filter paper increases the adsorption rate of large particle impurities, greatly improving its functionality.

[0004] However, the above-mentioned prior art still has the following problems when used: after long-term use of the high-precision filter element in the imported filter, a large amount of filtered impurities will accumulate on the surface, and these impurities need to be cleaned regularly. Therefore, there is an urgent need for an imported filter that is easy to install and disassemble the filter element. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides an imported filter, which is convenient for installing a high-precision filter element on the threaded rod through the cooperation of a first ring plate, a second ring plate and a nut, and then uses a duckbill lock and a buckle to fix the sealing plate to the shell, so that the high-precision filter element can be used for filtering. It has a simple structure and is very convenient to install and maintain. The threaded rod, the first ring plate, the second ring plate, the round rod and the nut are all stored in the shell, which can make the appearance of the entire imported filter more beautiful and elegant, so as to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inlet filter comprises a shell, a sealing plate is provided at one end of the shell, a threaded rod is fixedly provided on the inner wall of the sealing plate, a high-precision filter element is sleeved on the threaded rod, a first ring plate and a second ring plate are respectively provided on the outer wall surface and the inner wall surface of the high-precision filter element, the second ring plate and the first ring plate are both sleeved on the threaded rod, and the first ring plate is fixed to the threaded rod, a nut is threadedly connected on the threaded rod, and the nut is in contact with a side of the second ring plate away from the sealing plate, a round rod is fixedly provided at one end of the threaded rod away from the sealing plate, a round plate is sleeved on the round rod, six support plates are fixedly provided on the side of the round plate away from the round rod, each support plate is fixed to the inner wall of the shell at one end away from the round plate, and the tops of the six support plates are in contact with the inner wall of the high-precision filter element for supporting the high-precision filter element.

[0007] In a preferred embodiment, a plurality of grooves are formed on the outer wall surface of the sealing plate and the outer wall surface of the shell, and the plurality of grooves on the sealing plate are respectively connected with the plurality of grooves on the outer wall of the shell.

[0008] In a preferred embodiment, duckbill locks are fixed in the multiple grooves on the shell, and buckles compatible with the duckbill locks are fixed in the multiple grooves on the sealing plate. The buckles are buckled with the duckbill locks to facilitate disassembly of the sealing plate and the shell.

[0009] In a preferred embodiment, a rubber plug is fixedly provided on the inner wall of the sealing plate, the rubber plug is sleeved on the threaded rod, and the outer wall of the rubber plug contacts the inner wall of the shell, so as to improve the sealing between the sealing plate and the shell.

[0010] In a preferred embodiment, a plug hole matched with the round rod is provided on one side of the circular plate close to the round rod, and the round rod is inserted into the plug hole to improve the stability of the round rod.

[0011] In a preferred embodiment, an output pipe is fixedly passed through the bottom of the shell, and the output pipe is communicated with the interior of the shell.

[0012] In a preferred embodiment, six support plates are distributed in a ring array on the circular plate to improve the support force for the high-precision filter element.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model uses the first ring plate, the second ring plate and the nut to firmly fix the high-precision filter element on the threaded rod, and then uses multiple duckbill locks and multiple buckles to fix the sealing plate and the shell, so that the high-precision filter element can be used for filtering. When disassembly is required, first remove the sealing plate, and then loosen the nut to remove the high-precision filter element for cleaning and replacement. The structure is simple and the installation and maintenance are very convenient. The threaded rod, the first ring plate, the second ring plate, the round rod and the nut are all stored in the shell, which can make the appearance of the entire imported filter more beautiful and generous.

[0015] 2. The six support plates are in contact with the inner wall of the high-precision filter element, thereby improving the stability of the high-precision filter element during use. At the same time, when the sealing plate and the shell are fixed together, one end of the round rod is inserted into the socket, thereby improving the stability of the round rod and the round plate, and a rubber plug is arranged on the inner wall of the sealing plate, which contacts the inner wall of the shell with the help of the rubber plug, thereby greatly improving the sealing between the sealing plate and the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional view of the shell of the utility model;

[0018] Figure 3 It is a cross-sectional view of the shell of the utility model;

[0019] Figure 4 It is a side view of the sealing plate of the utility model;

[0020] Figure 5 This is a structural diagram of a round rod and a round plate of the utility model.

[0021] The accompanying drawings are marked as follows: 1. housing; 2. sealing plate; 3. threaded rod; 4. high-precision filter element; 5. first ring plate; 6. second ring plate; 7. nut; 8. round rod; 9. round plate; 10. support plate; 11. groove; 12. duckbill lock; 13. buckle; 14. rubber plug; 15. jack; 16. output pipe. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Refer to the instruction manual Figure 1-5The utility model provides an inlet filter, including a shell 1, a sealing plate 2 is provided at one end of the shell 1, a plurality of grooves 11 are provided on the outer wall surface of the sealing plate 2 and the outer wall surface of the shell 1, and the plurality of grooves 11 on the sealing plate 2 are respectively connected with the plurality of grooves 11 on the outer wall of the shell 1, a duckbill lock 12 is fixed in the plurality of grooves 11 on the shell 1, a buckle 13 adapted to the duckbill lock 12 is fixed in the plurality of grooves 11 on the sealing plate 2, and the buckle 13 is buckled with the duckbill lock 12, so that the staff can disassemble the sealing plate 2 and the shell 1 conveniently;

[0024] Next, a threaded rod 3 is fixedly provided on the inner wall of the sealing plate 2, a high-precision filter element 4 is sleeved on the threaded rod 3, a first ring plate 5 and a second ring plate 6 are respectively provided on the outer wall surface and the inner wall surface of the high-precision filter element 4, the second ring plate 6 and the first ring plate 5 are both sleeved on the threaded rod 3, and the first ring plate 5 is fixed to the threaded rod 3, a nut 7 is threadedly connected on the threaded rod 3, and the nut 7 is in contact with the side of the second ring plate 6 away from the sealing plate 2, a round rod 8 is fixedly provided on the end of the threaded rod 3 away from the sealing plate 2, and an output pipe 16 is fixedly penetrated through the bottom of the shell 1, and the output pipe 16 is connected to the inside of the shell 1.

[0025] When in use, the staff first inserts the high-precision filter element 4 on the threaded rod 3 and makes the high-precision filter element 4 contact with the first ring plate 5, then puts the second ring plate 6 on the threaded rod 3, and uses the tightening nut 7 to firmly fix the high-precision filter element 4, and then aligns the high-precision filter element 4 with the inside of the shell 1 and inserts it, and finally buckles the duckbill lock 12 and the buckle 13 together to firmly fix the sealing plate 2 on the shell 1, and then connects the right end of the shell 1 and the output pipe 16 with the filter pipeline, and then uses the high-precision filter element 4 to filter, to ensure the stable operation of the host, when disassembly is required, only the sealing plate 2 needs to be disassembled first, and then the nut 7 can be removed to clean and replace the high-precision filter element 4, the structure is simple, and the installation and maintenance are convenient, and the threaded rod 3, the first ring plate 5, the second ring plate 6, the round rod 8 and the nut 7 are all stored in the shell 1, which can make the appearance of the entire inlet filter more beautiful and generous.

[0026] Refer to the instruction manual Figure 2 , 4 5. The utility model provides an inlet filter, wherein a circular plate 9 is sleeved on the round rod 8, and six support plates 10 are fixedly arranged on the side of the circular plate 9 away from the round rod 8, and one end of each support plate 10 away from the circular plate 9 is fixed to the inner wall of the housing 1, and the tops of the six support plates 10 are in contact with the inner wall of the high-precision filter element 4, and are used to support the high-precision filter element 4. The six support plates 10 are distributed in an annular array on the circular plate 9, and are used to improve the support force of the high-precision filter element 4;

[0027] In addition, a plug hole 15 adapted to the round rod 8 is provided on one side of the circular plate 9 close to the round rod 8, and the round rod 8 is inserted into the plug hole 15 to improve the stability of the round rod 8;

[0028] In order to improve the sealing between the sealing plate 2 and the shell 1, a rubber plug 14 is fixedly provided on the inner wall of the sealing plate 2. The rubber plug 14 is sleeved on the threaded rod 3, and the outer wall of the rubber plug 14 contacts the inner wall of the shell 1, thereby greatly improving the sealing between the sealing plate 2 and the shell 1 and preventing leakage.

[0029] By arranging six support plates 10 inside the shell 1, when the high-precision filter element 4 is inserted into the shell 1, the six support plates 10 are in contact with the inner wall of the high-precision filter element 4, thereby improving the stability of the high-precision filter element 4 when in use. At the same time, the same circular plate 9 is fixed to one end of the six support plates 10. When the sealing plate 2 is fixed to the shell 1, one end of the round rod 8 is inserted into the insertion hole 15, thereby improving the stability of the round rod 8 and the circular plate 9. A rubber plug 14 is arranged on the inner wall of the sealing plate 2, and the rubber plug 14 is in contact with the inner wall of the shell 1, thereby greatly improving the sealing between the sealing plate 2 and the shell 1.

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An inlet filter, comprising a housing (1), characterized in that: A sealing plate (2) is provided at one end of the housing (1); a threaded rod (3) is fixedly provided on the inner wall of the sealing plate (2); a high-precision filter element (4) is sleeved on the threaded rod (3); a first ring plate (5) and a second ring plate (6) are respectively provided on the outer wall surface and the inner wall surface of the high-precision filter element (4); the second ring plate (6) and the first ring plate (5) are both sleeved on the threaded rod (3), and the first ring plate (5) is fixed to the threaded rod (3); The threaded rod (3) is threadedly connected with a nut (7), and the nut (7) contacts the side of the second ring plate (6) away from the sealing plate (2); a round rod (8) is fixedly provided at the end of the threaded rod (3) away from the sealing plate (2); a round plate (9) is sleeved on the round rod (8); six support plates (10) are fixedly provided at the side of the round plate (9) away from the round rod (8); one end of each support plate (10) away from the round plate (9) is fixed to the inner wall of the housing (1), and the tops of the six support plates (10) are in contact with the inner wall of the high-precision filter element (4) for supporting the high-precision filter element (4).

2. An inlet filter according to claim 1, characterized in that: The outer wall surface of the sealing plate (2) and the outer wall surface of the shell (1) are both provided with a plurality of grooves (11), and the plurality of grooves (11) on the sealing plate (2) are respectively connected to the plurality of grooves (11) on the outer wall of the shell (1).

3. An inlet filter according to claim 2, characterized in that: Duckbill locks (12) are fixed in the multiple grooves (11) on the shell (1), and buckles (13) matched with the duckbill locks (12) are fixed in the multiple grooves (11) on the sealing plate (2). The buckles (13) are buckled with the duckbill locks (12) to facilitate the disassembly of the sealing plate (2) and the shell (1).

4. An inlet filter according to claim 1, characterized in that: A rubber plug (14) is fixedly provided on the inner wall of the sealing plate (2), and the rubber plug (14) is sleeved on the threaded rod (3), and the outer wall of the rubber plug (14) is in contact with the inner wall of the shell (1), so as to improve the sealing performance between the sealing plate (2) and the shell (1).

5. An inlet filter according to claim 1, characterized in that: A plug hole (15) adapted to the round rod (8) is provided on one side of the circular plate (9) close to the round rod (8); the round rod (8) is inserted into the plug hole (15) to improve the stability of the round rod (8).

6. An inlet filter according to claim 1, characterized in that: An output pipe (16) is fixedly inserted through the bottom of the shell (1), and the output pipe (16) is in communication with the interior of the shell (1).

7. An inlet filter according to claim 1, characterized in that: Six support plates (10) are distributed in an annular array on the circular plate (9) to increase the support force for the high-precision filter element (4).

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