An air intake filter for a screw compressor

Abstract

The utility model relates to the technical field of air intake filters, and discloses an air intake filter for a screw compressor, comprising a mounting cylinder installed inside an air intake flange outside a main body of the screw compressor, a filter plate is arranged inside the mounting cylinder, a first magnet is arranged at the bottom of the filter plate, a connecting structure is arranged inside the mounting cylinder, the connecting structure is connected to the filter plate, an adjusting structure is arranged inside the mounting cylinder, a support plate is fixedly arranged inside the air intake flange, when in use, the filter plate is slidably installed inside the mounting cylinder through the connecting structure, when the filter plate is blocked, the filter plate will be pressed to move downward, when the filter plate moves to a specified position, the first magnet at the bottom of the filter plate will push the second magnet to slide, so that the protrusion on one side of the second magnet hits the battery switch, thereby turning on the light bulb, and an early warning is given through the light bulb to remind the staff that the filter plate is blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of air intake filters, in particular to an air intake filter for a screw compressor. Background Art

[0002] Screw compressors, also known as spiral compressors, include screw air compressors and screw process compressors (vinyl chloride compressors, etc.). Screw machines are positive displacement twin-screw oil-injected compressors, which are generally box-type skid-mounted structures. Screw compressors are divided into single-screw compressors and twin-screw compressors. When a screw compressor is in use, an air intake filter is required to prevent impurities in the air from affecting the service life of the screw compressor. However, the air intake filters for screw compressors currently used in the market cannot warn of the blockage of the filter plate, which results in the filter plate being blocked and cannot be handled in time. Therefore, an air intake filter for a screw compressor is proposed. Utility Model Content

[0003] The purpose of the utility model is to provide an air intake filter for a screw compressor, so as to solve the problem raised in the above background technology that the air intake filter for screw compressors currently used in the market cannot give an early warning of the clogging of the filter plate, resulting in the inability to deal with the clogging of the filter plate in time.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air intake filter for a screw compressor, comprising a mounting cylinder installed inside an air intake flange on the outer side of a screw compressor body, a filter plate being arranged inside the mounting cylinder, a first magnet being arranged at the bottom of the filter plate, a connecting structure being arranged inside the mounting cylinder, the connecting structure being connected to the filter plate, an adjusting structure being arranged inside the mounting cylinder, a support plate being fixedly arranged inside the air intake flange, the mounting cylinder being located at the top of the support plate, two limit blocks being fixedly arranged on the top of the support plate, and the limit blocks being embedded in the interior of the mounting cylinder, a connecting cylinder being connected to the outer side of the air intake flange, a light bulb being arranged at one end of the connecting cylinder, a battery being electrically connected to one side of the light bulb, a battery switch being electrically connected to one end of the battery, a second magnet being arranged inside the connecting cylinder, and a protrusion being arranged at one side of the second magnet.

[0005] Preferably, the connecting structure includes a U-shaped frame, which is slidably installed inside the mounting cylinder, the filter plate is located inside the U-shaped frame, rubber pads are provided on both sides of the U-shaped frame, a connecting rod is slidably provided on the top of the U-shaped frame, a connecting seat is provided at the bottom end of the connecting rod, the connecting seat is fixedly connected to the filter plate, a pin rod penetrates the outer side of the connecting seat, and the pin rod penetrates the connecting rod.

[0006] Preferably, the adjustment structure includes a fixing plate, which is fixedly installed inside the mounting cylinder, a screw is threadedly connected to one side of the fixing plate, a spring is fixedly arranged on the top of the screw, a push plate is fixedly arranged on one end of the spring and the push plate is located at the bottom of the filter plate.

[0007] Preferably, a slide groove is provided on the inner wall of the installation tube, and the U-shaped frame is slidably installed inside the slide groove.

[0008] Preferably, a threaded hole is provided on one side of the fixing plate, and the screw rod is threadedly connected to the fixing plate through the threaded hole.

[0009] Preferably, pin holes are provided inside the connecting rod and the connecting seat, and the pin rod passes through the pin holes.

[0010] Preferably, grooves are provided on both sides of the U-shaped frame, and the rubber pads are embedded in the grooves.

[0011] Preferably, a slot is provided at the bottom of the installation tube, and the limit block is buckled with the slot.

[0012] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0013] The utility model provides an installation tube, a filter plate, a first magnet, a connecting tube and a light bulb. When in use, the installation tube is installed inside the air inlet flange, and the air inlet flange is then connected to an external connecting head. When the filter plate is clogged, the filter plate will slide downward. When the filter plate moves to a specified position, the first magnet pushes the second magnet to turn on the light bulb, and an early warning is given through the light bulb to remind the staff that the filter plate is clogged. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a side view structural schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the air intake flange and the mounting tube of the utility model;

[0017] Figure 3 It is a schematic diagram of the connection structure of the utility model;

[0018] Figure 4 It is a cross-sectional structural schematic diagram of the connecting tube of the utility model;

[0019] Figure 5 For the utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0020] Figure 6 For the utility model Figure 2 Schematic diagram of the enlarged structure of B.

[0021] Explanation of the reference numerals: 1. screw compressor body; 2. air inlet flange; 3. mounting cylinder; 4. filter plate; 5. first magnet; 6. U-shaped frame; 7. rubber pad; 8. connecting rod; 9. connecting seat; 10. pin rod; 11. fixing plate; 12. screw rod; 13. spring; 14. push plate; 15. support plate; 16. limit block; 17. connecting cylinder; 18. light bulb; 19. battery; 20. battery switch; 21. second magnet; 22. bump. 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] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application. Example

[0024] In the prior art, the air intake filter for the screw compressor currently used in the market cannot give an early warning of the clogging of the filter plate, which leads to the problem that the clogging of the filter plate cannot be handled in time.

[0025] See also Figure 1-6The utility model provides a technical solution: an air intake filter for a screw compressor, comprising a mounting tube 3 mounted inside an air intake flange 2 outside a screw compressor body 1, a filter plate 4 is arranged inside the mounting tube 3, a first magnet 5 is arranged at the bottom of the filter plate 4, a connecting structure is arranged inside the mounting tube 3, the connecting structure is connected to the filter plate 4, an adjusting structure is arranged inside the mounting tube 3, a support plate 15 is fixedly arranged inside the air intake flange 2, the mounting tube 3 is at the top of the support plate 15, two limit blocks 16 are fixedly arranged on the top of the support plate 15, and the limit blocks 16 are embedded in the mounting tube 3, the outside of the air intake flange 2 is connected with a connecting tube 17, one end of the connecting tube 17 A light bulb 18 is provided, one side of which is electrically connected to a battery 19, one end of which is electrically connected to a battery switch 20, a second magnet 21 is provided inside the connecting tube 17, and a protrusion 22 is provided on one side of the second magnet 21. When in use, the filter plate 4 is slidably installed inside the mounting tube 3 through the connecting structure. When the filter plate 4 is blocked, the filter plate 4 will be pressed to move downward. When the filter plate 4 moves to the specified position, the first magnet 5 at the bottom of the filter plate 4 will push the second magnet 21 to slide, so that the protrusion 22 on one side of the second magnet 21 hits the battery switch 20, thereby turning on the light bulb 18, and issuing an early warning through the light bulb 18 to remind the staff that the filter plate is blocked.

[0026] The connecting structure includes a U-shaped frame 6, which is slidably installed inside the mounting tube 3, and the filter plate 4 is inside the U-shaped frame 6. Rubber pads 7 are provided on both sides of the U-shaped frame 6. A connecting rod 8 is slidably provided on the top of the U-shaped frame 6. A connecting seat 9 is provided at the bottom end of the connecting rod 8. The connecting seat 9 is fixedly connected to the filter plate 4. A pin rod 10 passes through the outer side of the connecting seat 9 and the pin rod 10 passes through the connecting rod 8. When in use, the filter plate 4 is connected to the bottom end of the connecting rod 8 through the pin rod 10, and then the U-shaped frame 6 is slidably installed inside the mounting tube 3, so that the filter plate 4 is installed inside the mounting tube 3, which is convenient for disassembly and assembly of the filter plate 4.

[0027] The adjustment structure includes a fixing plate 11, which is fixedly installed inside the mounting cylinder 3. A screw 12 is threadedly connected to one side of the fixing plate 11. A spring 13 is fixedly arranged on the top of the screw 12. A push plate 14 is fixedly arranged at one end of the spring 13 and the push plate 14 is located at the bottom of the filter plate 4. Before the mounting cylinder 3 is slidably installed on the air intake flange 2, the screw 12 is rotated according to the usage, and the screw 12 will drive the spring 13 and the push plate 14 to move, thereby adjusting the downward blocking force of the filter plate 4.

[0028] The inner wall of the installation cylinder 3 is provided with a slide groove, and the U-shaped frame 6 is slidably installed inside the slide groove. The filter plate 4 is installed inside the installation cylinder 3 through the U-shaped frame 6, so that the filter plate 4 can be easily taken out.

[0029] A threaded hole is provided on one side of the fixing plate 11 , and the screw rod 12 is threadedly connected to the fixing plate 11 through the threaded hole. The height of the spring 13 and the push plate 14 can be adjusted by rotating the screw rod 12 .

[0030] Pin holes are provided inside the connecting rod 8 and the connecting seat 9 , and the pin rod 10 passes through the pin holes, and the filter plate 4 is connected to the connecting seat 9 and the connecting rod 8 .

[0031] Grooves are provided on both sides of the U-shaped frame 6 , and the rubber pads 7 are embedded in the grooves, so that the rubber pads 7 can be easily disassembled and assembled.

[0032] A slot is provided at the bottom of the installation tube 3 , and a limiting block 16 is buckled with the slot. The limiting block 16 limits the installation tube 3 to prevent the installation tube 3 from rotating.

[0033] The model of the screw compressor body 1 in this application is ysmx-7115.

[0034] Working principle or structural principle, when in use, the filter plate 4 is slidably installed inside the mounting tube 3 through the U-shaped frame 6, and then the screw 12 is turned to push the spring 13 and the push plate 14 to move, so as to adjust the pressure, and then the mounting tube 3 is installed inside the air intake flange 2, and then the air intake flange 2 is connected to the external connector. When the filter plate 4 is blocked, the filter plate 4 will slide downward. When the filter plate 4 moves to the specified position, the first magnet 5 will push the second magnet 21 to slide, so that the protrusion 22 pushes the battery switch 20, thereby turning on the light bulb 18, and an early warning is given through the light bulb 18 to remind the staff that the filter plate is blocked, the air intake flange 2 is separated from the external connector, and then the filter plate 4 is pulled out through the U-shaped frame 6, and then the pin 10 is separated from the connecting seat 9, so as to replace the filter plate 4 and improve the convenience of use.

[0035] Those skilled in the art will appreciate that the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways, even if such combinations and / or combinations are not explicitly described in the present invention. In particular, the features described in the various embodiments and / or claims of the present invention may be combined and / or combined in various ways without departing from the spirit and teachings of the present invention. All of these combinations and / or combinations fall within the scope of the present invention.

Claims

1. An air intake filter for a screw compressor, comprising a mounting tube (3) mounted inside an air intake flange (2) outside a screw compressor body (1), characterized in that: A filter plate (4) is arranged inside the mounting cylinder (3), and a first magnet (5) is arranged at the bottom of the filter plate (4). A connection structure is arranged inside the mounting cylinder (3), and the connection structure is connected to the filter plate (4). The connection structure comprises a U-shaped frame (6), and the U-shaped frame (6) is slidably mounted inside the mounting cylinder (3). The filter plate (4) is located inside the U-shaped frame (6). Rubber pads (7) are arranged on both sides of the U-shaped frame (6). A connecting rod (8) is slidably arranged on the top of the U-shaped frame (6), and a connecting seat (9) is arranged at the bottom end of the connecting rod (8). The connecting seat (9) is fixedly connected to the filter plate (4), and a pin rod (10) passes through the outer side of the connecting seat (9), and the pin rod (10) passes through the connecting rod (8). An adjustment structure is arranged inside the mounting cylinder (3), and the adjustment structure comprises a fixing plate (11), and the fixing plate (11) is fixedly mounted inside the mounting cylinder (3). A screw rod (12) is threadedly connected to one side of the fixing plate (11); a spring (13) is fixedly arranged on the top of the screw rod (12); a push plate (14) is fixedly arranged on one end of the spring (13), and the push plate (14) is located at the bottom of the filter plate (4); a support plate (15) is fixedly arranged inside the air intake flange (2); the mounting tube (3) is located on the top of the support plate (15); two limit blocks (16) are fixedly arranged on the top of the support plate (15), and the limit blocks (16) are embedded in the interior of the mounting tube (3); a connecting tube (17) is connected to the outside of the air intake flange (2); a light bulb (18) is arranged at one end of the connecting tube (17); a battery (19) is electrically connected to one side of the light bulb (18); a battery switch (20) is electrically connected to one end of the battery (19); a second magnet (21) is arranged inside the connecting tube (17); a protrusion (22) is arranged on one side of the second magnet (21).

2. The air intake filter for a screw compressor according to claim 1, characterized in that: The inner wall of the installation cylinder (3) is provided with a sliding groove, and the U-shaped frame (6) is slidably installed inside the sliding groove.

3. The air intake filter for a screw compressor according to claim 1, characterized in that: A threaded hole is provided on one side of the fixing plate (11), and the screw rod (12) is threadedly connected to the fixing plate (11) through the threaded hole.

4. The air intake filter for a screw compressor according to claim 1, characterized in that: The connecting rod (8) and the connecting seat (9) are both provided with pin holes inside, and the pin rod (10) passes through the pin holes.

5. The air intake filter for a screw compressor according to claim 1, characterized in that: Grooves are provided on both sides of the U-shaped frame (6), and the rubber pads (7) are embedded in the grooves.

6. The air intake filter for a screw compressor according to claim 1, characterized in that: The bottom of the installation tube (3) is provided with a slot, and the limit block (16) is buckled with the slot.

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