CN221647170U - A compressor intake air filter structure - Google Patents

Abstract

The utility model discloses a compressor intake air filter structure, comprising a compressor body, an intake pipe located at the top of the compressor body and an outlet pipe located at the bottom of one side of the compressor body, a gas filtering structure is arranged in the intake pipe, a sound absorbing and noise reducing structure is arranged outside the gas filtering structure, the gas filtering structure is fixed to the sound absorbing and noise reducing structure by fixing screws to form a cylindrical overall structure, and the sound absorbing and noise reducing structure is threadedly fixed at the pipe mouth of the intake pipe; the utility model can filter large particle impurities in the gas through the filter cylinder, when a large amount of impurities are accumulated in the filter cylinder, the lever can be moved to drive the sound insulation cylinder to rotate, and the sound insulation cylinder can be screwed out to the outside of the intake pipe, so that the filter cylinder can be quickly disassembled and cleaned, and through the cooperation of the sound absorbing cotton and the sound insulation cylinder, the noise reduction treatment can be achieved before the gas enters the compressor.

Description

A compressor intake air filter structure

Technical Field

The utility model relates to the technical field related to compressors, in particular to an air intake air filter structure for a compressor.

Background Art

The screw air compressor is an oil-injected single-stage twin-screw compressor. It adopts high-efficiency pulley transmission to drive the main engine to rotate for air compression. The main engine compression chamber is cooled and lubricated by oil injection. The air and oil mixed gas discharged from the compression chamber is separated through coarse and fine separation to separate the oil in the compressed air. Finally, clean compressed air is obtained with excellent reliability.

A twin-screw air compressor that is easy to maintain with application number CN202122613942.5 comprises: a first shell, a second shell is provided on one side of the first shell, and a male screw is provided inside the first shell and the second shell, and a female screw is provided on one side of the male screw; a slide groove is provided on the top surface of the second shell, and a docking groove is provided on the side of the first shell close to the second shell, and a mounting hole is provided on one side of the docking groove; a slider is provided inside the slide groove, and a baffle is provided on the top of the slider. The twin-screw air compressor that is easy to maintain adopts a slider and a slide groove as well as a docking plate and a docking groove, so as to facilitate the maintenance of the twin-screw air compressor, and cooperates with an installable filter to facilitate filtering of debris in the air;

However, there are still certain shortcomings in actual use. For example, the filter is fixed by fixing screws, but the fixing screws are located on the inner side of the air intake pipe, and the disassembly and installation need to be completed in the first shell, which makes the disassembly of the filter inconvenient, and the gas cannot be noise-reduced before entering the compressor, which increases the noise intensity of the compressor when it is working.

Utility Model Content

In order to solve the defects in the prior art, the utility model provides a compressor intake air filter structure.

In order to solve the above technical problems, the utility model provides the following technical solutions:

The utility model discloses a compressor intake air filter structure, comprising a compressor body, an intake pipe located at the top of the compressor body and an outlet pipe located at the bottom of one side of the compressor body, a gas filtering structure is arranged in the intake pipe, the gas filtering structure comprises a filter cylinder and a fixing pad arranged at the top of the filter cylinder, a sound absorbing and noise reducing structure is arranged outside the filter cylinder, the sound absorbing and noise reducing structure comprises a sound insulation cylinder and sound absorbing cotton, the sound insulation cylinder is fixed at the pipe mouth of the intake pipe, and the sound absorbing cotton is located on the inner side of the sound insulation cylinder.

As a preferred technical solution of the utility model, the top of the sound insulation cylinder is provided with an external thread, and the air outlet pipe is provided with an internal thread matching the external thread.

By adopting the above technical solution: the sound insulation tube filter can be fixed in the air intake pipe through the cooperation of the internal thread and the external thread.

As a preferred technical solution of the utility model, honeycomb holes are equidistantly provided on the inner wall of the sound insulation cylinder.

By adopting the above technical solution, the noise generated by gas transportation can be absorbed and blocked through the cooperation of the honeycomb holes and the sound insulation tube.

As a preferred technical solution of the utility model, the sound-absorbing cotton is a cylindrical structure with open ends, and limiting rings are fixedly provided on the top and bottom of the outer wall of the sound-absorbing cotton.

By adopting the above technical solution: the sound-absorbing cotton can be limited and placed in the sound insulation tube by two limiting rings.

As a preferred technical solution of the utility model, a plurality of limit blocks are arranged equidistantly along the circumferential direction on the outer wall of the limit ring located at the top, and limit slots are provided on the inner wall of the sound insulation cylinder corresponding to the limit blocks.

By adopting the above technical solution: by matching and plugging the limiting plug block with the limiting slot, the sound-absorbing cotton and the sound insulation tube can be limitedly connected.

As a preferred technical solution of the utility model, the filter cylinder is cooperatively sleeved in the sound-absorbing cotton.

By adopting the above technical solution: the impurities in the gas can be preliminarily filtered through the filter cylinder, and the filtered impurities can be concentrated in the filter cylinder for collection.

As a preferred technical solution of the utility model, a ring-shaped fixing pad is fixedly provided on the top of the filter cylinder, the fixing pad is placed on the top of the sound insulation cylinder, and the fixing pad is fixedly connected to the sound insulation cylinder by fixing screws.

By adopting the above technical solution: by fixing the fixing pad and the sound insulation tube, the filter tube and the sound insulation tube can be fixed, and at the same time, the position of the limiting plug can be limited by the fixing pad, so that the sound-absorbing cotton can be limited in the sound insulation tube.

As a preferred technical solution of the utility model, a lever is fixedly provided on one end of the inner side of the filter cylinder close to the fixed pad.

By adopting the above technical solution, the sound insulation tube can be driven to rotate by turning the lever, so that the sound insulation tube can be screwed into or out of the air intake pipe more conveniently.

The beneficial effects of the utility model are:

1. This type of compressor intake air filter structure can filter large particles of impurities in the gas through the filter cylinder. When a lot of impurities are accumulated in the filter cylinder, the lever can be turned to drive the sound insulation cylinder to rotate, and the sound insulation cylinder can be screwed out to the outside of the intake pipe, so that the filter cylinder can be quickly disassembled and cleaned. Moreover, through the cooperation of sound-absorbing cotton and the sound insulation cylinder, noise reduction can be achieved before the gas enters the compressor.

2. This type of compressor intake air filter structure can fix the filter cylinder and the sound insulation cylinder by fixing the fixing pad and the sound insulation cylinder. At the same time, the position of the limiting plug can be limited by the fixing pad to limit the sound-absorbing cotton in the sound insulation cylinder.

BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

FIG1 is a front view of a compressor body of a compressor intake air filter structure of the utility model;

FIG2 is a schematic diagram of the internal structure of an intake pipe of a compressor intake air filter structure of the present invention;

FIG3 is a schematic diagram of the connection structure of a sound insulation tube and a sound-absorbing cotton of a compressor intake air filter structure of the utility model;

FIG4 is a schematic diagram of the sound insulation tube structure of a compressor intake air filter structure of the present invention.

In the figure: 1. Compressor body; 2. Air inlet pipe; 3. Air outlet pipe; 4. Sound-absorbing and noise-reducing structure; 41. Sound insulation tube; 42. External thread; 43. Honeycomb hole; 44. Sound-absorbing cotton; 45. Limiting ring; 46. Limiting plug; 47. Limiting slot; 5. Gas filtering structure; 51. Filter cylinder; 52. Fixing pad; 53. Lever.

DETAILED DESCRIPTION

The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

Embodiment: As shown in Figures 1, 2 and 3, the utility model is a compressor intake air filter structure, including a compressor body 1, an intake pipe 2 located at the top of the compressor body 1 and an outlet pipe 3 located at the bottom of one side of the compressor body 1, a gas filtering structure 5 is arranged in the intake pipe 2, the gas filtering structure 5 includes a filter cylinder 51 and a fixing pad 52 arranged on the top of the filter cylinder 51, a sound absorbing and noise reduction structure 4 is arranged on the outside of the filter cylinder 51, the sound absorbing and noise reduction structure 4 includes a sound insulation cylinder 41 and sound absorbing cotton 44, the sound insulation cylinder 41 is fixed at the pipe mouth of the intake pipe 2, and the sound absorbing cotton 44 is located on the inner side of the sound insulation cylinder 41.

As shown in Figure 2, the top of the sound insulation tube 41 is provided with an external thread 42, and the air outlet pipe 3 is provided with an internal thread that matches the external thread 42. Through the cooperation between the internal thread and the external thread 42, the filter screen of the sound insulation tube 41 can be fixed in the air intake pipe 2.

As shown in FIG. 4 , the inner wall of the sound insulation tube 41 is provided with honeycomb holes 43 at equal intervals, and the cooperation of the honeycomb holes 43 and the sound insulation tube 41 can absorb and block the noise generated by gas transportation.

Among them, as shown in Figures 3-4, the sound-absorbing cotton 44 is a cylindrical structure with open ends, and limiting rings 45 are fixedly provided on the top and bottom of the outer wall of the sound-absorbing cotton 44. A number of limiting blocks 46 are equidistantly provided on the outer wall of the limiting ring 45 at the top along the circumferential direction. A limiting slot 47 is provided on the inner wall of the sound insulation tube 41 corresponding to the limiting block 46. By matching and plugging the limiting block 46 with the limiting slot 47, the sound-absorbing cotton 44 and the sound insulation tube 41 can be limitedly connected.

As shown in FIG. 3 , the filter cylinder 51 is cooperatively sleeved in the sound-absorbing cotton 44 , and the impurities in the gas can be preliminarily filtered through the filter cylinder 51 , and the filtered impurities can be concentrated in the filter cylinder 51 for collection.

As shown in FIG3 , a ring-shaped fixing pad 52 is fixedly provided on the top of the filter cylinder 51. The fixing pad 52 is placed on the top of the sound insulation cylinder 41, and the fixing pad 52 is fixedly connected to the sound insulation cylinder 41 by fixing screws. By fixing the fixing pad 52 to the sound insulation cylinder 41, the filter cylinder 51 and the sound insulation cylinder 41 can be fixed. At the same time, the position of the limiting plug 46 can be limited by the fixing pad 52, so that the sound-absorbing cotton 44 can be limited in the sound insulation cylinder 41.

As shown in FIG. 3 , a lever 53 is fixedly provided at one end of the inner side of the filter cylinder 51 close to the fixed pad 52 . By turning the lever 53 , the sound insulation cylinder 41 can be driven to rotate, and the sound insulation cylinder 41 can be screwed into or out of the air intake pipe 2 more conveniently.

Working principle: The air intake pipe 2 is connected to the external delivery pipe, and large particles of impurities in the gas can be filtered through the filter cylinder 51. When a lot of impurities are accumulated in the filter cylinder 51, the lever 53 can be turned to drive the sound insulation cylinder 41 to rotate, and the sound insulation cylinder 41 can be screwed out to the outside of the air intake pipe 2, so that the filter cylinder 51 can be quickly disassembled and cleaned, and through the cooperation of the sound-absorbing cotton 44 and the sound insulation cylinder 41, the noise reduction treatment can be achieved before the gas enters the compressor.

Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims (8)

1. The utility model provides a compressor inlet air filter structure, includes compressor main part (1), is located inlet channel (2) at compressor main part (1) top and is located outlet channel (3) of compressor main part (1) one side bottom, a serial communication port, be provided with gas filtration structure (5) in inlet channel (2), gas filtration structure (5) include filter screen cylinder (51) and set up fixed bolster (52) at filter screen cylinder (51) top, the outside of filter screen cylinder (51) is provided with inhales sound and falls noise reduction structure (4), inhale sound and fall noise reduction structure (4) including sound-proof cylinder (41) and inhale sound cotton (44), sound-proof cylinder (41) are fixed in the mouth of pipe department of inlet channel (2), inhale sound cotton (44) and be located the inboard of sound-proof cylinder (41).

2. A compressor inlet air filter structure according to claim 1, wherein the top of the sound insulation cylinder (41) is provided with external threads (42), and the air outlet pipeline (3) is internally provided with internal threads matched with the external threads (42).

3. A compressor inlet air filter structure according to claim 1, wherein the inner wall of the sound insulation cylinder (41) is provided with honeycomb holes (43) at equal intervals.

4. The air intake and filtration structure of a compressor according to claim 1, wherein the sound absorbing cotton (44) is a cylindrical structure with two open ends, and a limit ring (45) is fixedly arranged at the top and the bottom of the outer wall of the sound absorbing cotton (44).

5. The air intake filter structure of the compressor according to claim 4, wherein a plurality of limiting inserts (46) are equidistantly arranged on the outer wall of the limiting ring (45) at the top along the circumferential direction, and limiting slots (47) are formed on the inner wall of the sound insulation cylinder (41) corresponding to the limiting inserts (46).

6. A compressor inlet air filter structure according to claim 1, wherein the filter screen cylinder (51) is cooperatively sleeved in the sound absorbing cotton (44).

7. The air intake and filtration structure of the compressor according to claim 1, wherein a fixing pad (52) having a ring shape is fixedly arranged at the top end of the filter screen cylinder (51), the fixing pad (52) is arranged at the top end of the sound insulation cylinder (41), and the fixing pad (52) is fixedly connected with the sound insulation cylinder (41) through a fixing screw.

8. The air intake and filtration structure of the compressor according to claim 1, wherein a deflector rod (53) is fixedly arranged at one end, close to the fixed pad (52), of the inner side of the filter screen cylinder (51).