Air suction structure of compressor

Abstract

The air suction structure of the compressor comprises a filter pipe communicated with an air inlet pipe and an air suction pipe, the air suction pipe comprises an air inlet pipe and an air inlet flaring which are sequentially connected, and the caliber of the air inlet flaring is gradually increased in the direction from the position close to the air inlet pipe to the position away from the air inlet pipe; the end, away from the air inlet flaring, of the air inlet pipe is connected with the filter pipe, and a plurality of silencing assemblies are connected into the air inlet pipe. And a filter screen is connected to the inner wall of a pipe opening, close to the air inlet pipe, of the filter pipe. According to the air suction structure of the compressor, the air inlet flaring is arranged to increase the air inlet amount so as to improve the air inlet efficiency, meanwhile, due to the fact that the air inlet amount is increased, air flow impact is enhanced, at the moment, the multiple silencing assemblies are arranged in the air inlet pipe to conduct silencing and noise reduction, the effect is better compared with a single silencer, and the filter screen can filter the inlet air.

Description

TECHNICAL FIELD

[0001] The utility model relates to air compressor technology field, specifically, relate to a compressor air suction structure. BACKGROUND

[0002] Air compressor, namely air compressor, is a kind of machine equipment that air is compressed into high-pressure gas, it is by a large amount of air compression to a closed space, so that the pressure and density of air increase, so that air can be more effectively stored and used, the working principle of air compressor is that air is compressed to high-pressure state by a compressor, then high-pressure gas is stored in a gas storage tank, when compressed air is needed, the compressor will release the gas in the gas storage tank, is delivered to the place needing to use by pipeline, it is widely used in various industrial fields, such as manufacturing industry, construction industry, food processing industry etc.

[0003] At present, for the noise generated at air compressor exhaust end and air inlet end, such as the patent document with publication number CN220118279U discloses a compressor air suction structure, including cylinder, cylinder one side fixedly connected with connecting pipe, connecting pipe one side fixedly connected with four uniform symmetrical clamping blocks, connecting pipe is provided with comb hole plate, connecting pipe is sleeved with fixing ring, fixing ring one side fixedly connected with silencer, connecting pipe right end inserts filter pipe, filter pipe is provided with clamping groove, clamping groove and clamping block are movably inserted, filter pipe one side is fixedly installed with filter, filter outer side is provided with first sealing outer ring, filter pipe inserts air inlet pipe. The above technical scheme utilizes silencer to carry out sound attenuation to the gas in air inlet pipe, comb hole plate and fixing ring can reduce the vibration of connecting pipe to play the effect of noise reduction.

[0004] The above technical scheme can effectively sound attenuate the gas of air inlet pipe, but actually it will affect the air intake, and when the air intake increases, the sound attenuation and noise reduction function of the above will be reduced accordingly, and cannot play a better sound attenuation and noise reduction effect. UTILITY MODEL CONTENTS

[0005] Therefore, in order to solve one of the technical problems mentioned in the background art, the utility model provides a kind of compressor air suction structure, and its specific technical scheme is as follows:

[0006] A kind of compressor air suction structure, including filter pipe and air suction pipe with air inlet pipe communication, the air suction pipe includes the air inlet pipe and air inlet flared pipe connected in sequence, the caliber of the air inlet flared pipe gradually increases from the air inlet pipe to the direction away from the air inlet pipe;The end of the air inlet pipe away from the air inlet flared pipe is connected with the filter pipe, and a plurality of sound attenuation components are connected in the air inlet pipe;Filter screen is connected on the pipe orifice inner wall of the filter pipe close to the air inlet pipe.

[0007] The compressor air suction structure increases the air intake amount by setting the air inlet expansion pipe to improve the air intake efficiency, and the airflow impact is enhanced due to the increase in the air intake amount, at this time, the plurality of sound attenuation components arranged in the air inlet pipe are used for sound attenuation and noise reduction, and the effect is better than that of a single sound attenuator, and the filter screen filters the air intake.

[0008] In one of the embodiments, the sound attenuation component comprises a first sound attenuation piece connected to the air inlet pipe, the first sound attenuation piece comprises a first sealing outer ring fixedly connected to the inner wall of the air inlet pipe, and the inner side of the first sealing outer ring is fixedly connected with a first inner plate, and the center of the first inner plate is provided with a first through hole.

[0009] In one of the embodiments, the sound attenuation component further comprises a second sound attenuation piece connected to the air inlet pipe, the second sound attenuation piece comprises a second sealing outer ring fixedly connected to the inner wall of the air inlet pipe, and the inner side of the second sealing outer ring is fixedly connected with a second inner plate, and the second inner plate is uniformly and spacedly provided with a plurality of second through holes around the center of the second inner plate.

[0010] In one of the embodiments, the connection between the first sealing outer ring and the first inner plate is a circular arc shape recessed towards the filter pipe, and the first inner plate is protruded towards the air inlet expansion pipe direction and the protruded caliber gradually reduces along the direction opposite to the airflow direction.

[0011] In one of the embodiments, the connection between the second sealing outer ring of the second sound attenuation piece and the second inner plate is a circular arc shape recessed towards the filter pipe, and the second inner plate is protruded towards the air inlet expansion pipe direction and the protruded caliber gradually reduces along the direction opposite to the airflow direction.

[0012] In one of the embodiments, the first sound attenuation piece and the second sound attenuation piece are spacedly arranged.

[0013] In one of the embodiments, the sound attenuation components at the two ends are both first sound attenuation pieces.

[0014] In one of the embodiments, the filter pipe is further connected with a filter core cotton.

[0015] In one of the embodiments, the air inlet pipe, the filter pipe and the air suction pipe are all wrapped with sound attenuation cotton.

[0016] In one of the embodiments, the sound attenuation cotton wrapped around the air inlet pipe, the filter pipe and the air suction pipe is an integral structure.

[0017] Compared with the prior art, the application has the following advantages:

[0018] 1. By setting the air inlet pipe and the air inlet flared, the compressor can gradually increase the diameter of the air inlet flared to increase the area of the suction air, speed up the air intake efficiency, and divide the air inlet pipe into multiple spaces through multiple sound attenuation components, and through the design of gradually reducing the diameter of each inner plate, so that the air will pass through a process from small space to large space when passing through each sound attenuation component, so that the flow rate of the air in the air inlet pipe is slowed down, and the kinetic energy of the air impact is absorbed through the design of multiple spaces, so as to isolate the noise generated by the rapid impact of the air on the object and the large amount of air gathering and flowing.

[0019] 2. By setting the first sealing outer ring and the first inner plate inside the first sound attenuation component, and setting the second sealing outer ring and the second inner wall inside the second sound attenuation component, so that the part of the air that does not pass through the first air hole and the second air hole will flow back along the arc of the first sealing outer ring and the first inner plate and the second sealing outer ring and the second inner wall, and the air is divided into multiple streams towards different branches, avoiding the air directly impacting on each inner plate, generating additional kinetic energy noise, and through the cavity formed between each outer ring and each inner plate, when the air flows in the cavity, it will produce a resonance effect, because the first inner plate and the second inner plate have different through hole opening positions, different resonance frequencies can be formed to weaken the vibration of air of different frequencies, to further reduce the kinetic energy and noise generated by the air flowing, further enhancing the sound attenuation effect of the sound attenuation component and increasing the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0020] The present application can be further understood from the following description in conjunction with the drawings. The components in the drawings are not necessarily drawn to scale, but emphasis is placed on showing the principles of the embodiments. In different views, the same reference numerals designate corresponding parts.

[0021] Figure 1 is a structure diagram of a compressor air intake structure in an embodiment of the present application.

[0022] Figure 2 is a structure diagram of an air inlet pipe of a compressor air intake structure in an embodiment of the present application.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] 100, air inlet pipe; 200, filter pipe; 210, filter screen; 220, filter core cotton; 310, air inlet pipe; 320, air inlet flared; 411, first sealing outer ring; 412, first inner plate; 413, first through hole; 421, second sealing outer ring; 422, second inner plate; 423, second through hole. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following further describes the utility model in combination with its embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and do not limit the protection scope of the utility model.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0027] Reference Figure 1 And Figure 2 As shown in the figure, the utility model discloses a compressor suction structure, including filter pipe 200 and suction pipe with the communication of inlet pipe 100, the suction pipe includes the air inlet pipe 310 and the air inlet flared mouth 320 that connect in proper order, the caliber of air inlet flared mouth 320 gradually increases from the air inlet pipe 310 to the direction away from the air inlet pipe 310, the one end of air inlet pipe 310 away from air inlet flared mouth 320 is connected with filter pipe 200, and a plurality of silencing components are connected in air inlet pipe 310, and the pipe orifice inner wall on filter pipe 200 close to air inlet pipe 310 is connected with filter screen 210.

[0028] In actual use, by setting air inlet flared mouth 320, the air intake is increased to improve the air intake efficiency, and the airflow impact is enhanced due to the increase of air intake, at this time, a plurality of silencing components are arranged in air inlet pipe 310 to carry out silencing and noise reduction, which is better than a single silencer, and filter screen 210 filters the air intake.

[0029] In some specific embodiments of the utility model, it can also have the following additional technical features: the silencing component includes the first silencing piece that is spaced apart and connected in the air inlet pipe 310, the first silencing piece includes the first sealing outer ring 411 that is fixedly connected to the inner wall of the air inlet pipe 310, the first sealing outer ring 411 is fixedly connected with the first inner plate 412 on the inner side, and the first through hole 413 is opened in the center of the first inner plate 412.

[0030] In some specific embodiments of the utility model, it can also have the following additional technical features: the silencing component also includes the second silencing piece that is spaced apart and connected in the air inlet pipe 310, the second silencing piece includes the second sealing outer ring 421 that is fixedly connected to the inner wall of the air inlet pipe 310, the second sealing outer ring 421 is fixedly connected with the second inner plate 422 on the inner side, and a plurality of second through holes 423 are uniformly spaced apart on the second inner plate 422 around the center of the second inner plate 422.

[0031] In some embodiments of the utility model, it can further have the following additional technical features: the connecting part of the first sealing outer ring 411 and the first inner plate 412 is a circular arc shape recessed towards the filter pipe 200, and the first inner plate 412 is protruded towards the air inlet flared pipe 320 and the protruded caliber gradually reduces along the direction opposite to the air flow direction.

[0032] In some embodiments of the utility model, it can further have the following additional technical features: the connecting part of the second sealing outer ring 421 and the second inner plate 422 of the second sound attenuation piece is a circular arc shape recessed towards the filter pipe 200, and the second inner plate 422 is protruded towards the air inlet flared pipe 320 and the protruded caliber gradually reduces along the direction opposite to the air flow direction.

[0033] Specifically, the first sound attenuation piece and the second sound attenuation piece are the same in structure except that the positions of the through holes are different, and at this time, the first inner plate 412 and the second inner plate 422 are both semispherical, and the cross-sectional shape of the connecting part of the first sealing outer ring 411 and the first inner plate 412 and the cross-sectional shape of the connecting part of the second sealing outer ring 421 and the second inner plate 422 are both similar to C-shaped structure.

[0034] In some embodiments of the utility model, it can further have the following additional technical features: the first sound attenuation piece and the second sound attenuation piece are arranged at intervals.

[0035] By arranging the air inlet pipe 310 and the air inlet flared pipe 320, the compressor can increase the area of inhaled air through the air inlet flared pipe 320 with gradually increasing diameter at the front end, and accelerate the air intake efficiency, the inside space of the gas conveying pipe is divided into multiple spaces through multiple sound attenuation assemblies, and the diameter of each inner plate is gradually reduced, so that the air will pass through a process of entering a large space from a small space when passing through each sound attenuation piece, the flow rate of the air inside the air inlet pipe 310 is slowed down, and the kinetic energy of the air impact is absorbed through the design of multiple spaces, so as to absorb the noise generated by the rapid impact of air on objects and the flow of a large amount of air.

[0036] In some embodiments of the utility model, it can further have the following additional technical features: the sound attenuation assemblies at the two ends are both first sound attenuation pieces.

[0037] By setting the first sealing outer ring 411 and the first inner plate 412 inside the first sound attenuation member, and setting the second sealing outer ring 421 and the second inner wall inside the second sound attenuation member, the air not passing through the first air passage and the second air passage is guided to flow back along the arc of the first sealing outer ring 411 and the first inner plate 412 and the second sealing outer ring 421 and the second inner wall, and the air is divided into multiple streams flowing towards different branches, so that the air is not directly impacted on the inner plates to generate additional kinetic energy noise, and the cavities formed between the outer rings and the inner plates can generate a resonance effect when the air flows in the cavities, and since the through holes on the first inner plate 412 and the second inner plate 422 are arranged at different positions, the air flow and the air flow speed entering different chambers are different, thereby forming different resonance frequencies to weaken the air vibration of different frequencies, so as to further reduce the kinetic energy and noise generated by the air when flowing, and further enhance the sound attenuation effect of the sound attenuation assembly and increase the practicability of the device.

[0038] In some embodiments of the utility model, the filter tube 200 is further connected with a filter core cotton 220. The air after the sound attenuation assembly in the air inlet pipe 310 is first filtered by the filter screen 210, and then enters the filter tube 200 and is filtered by the filter core for the second time, so that dust and other impurities in the air are filtered out, thereby avoiding the accumulation of dust in the air compressor to affect heat dissipation and other air compressor performance, and effectively improving the overall structural durability.

[0039] In some embodiments of the utility model, the air inlet pipe 100, the filter tube 200 and the air suction pipe are all wrapped with sound attenuation cotton (not shown in the figure).

[0040] In some embodiments of the utility model, the air inlet pipe 100, the filter tube 200 and the air suction pipe are all wrapped with sound attenuation cotton (not shown in the figure).

[0041] By setting the sound attenuation cotton in an integrated structure, the noise generated by the air flow can be further absorbed.

[0042] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the scope of the present application.

[0043] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A compressor suction structure, characterized by, The system includes a filter pipe (200) connected to an air inlet pipe (100) and an air intake pipe. The air intake pipe includes an air inlet pipe (310) and an air inlet flare (320) connected in sequence. The diameter of the air inlet flare (320) gradually increases from the direction close to the air inlet pipe (310) to the direction away from the air inlet pipe (310). The end of the air inlet pipe (310) away from the air inlet flare (320) is connected to the filter pipe (200). Multiple silencers are connected in the air inlet pipe (310). A filter screen (210) is connected to the inner wall of the filter pipe (200) near the air inlet pipe (310). The muffler assembly includes a first muffler connected at intervals in the air intake pipe (310). The first muffler includes a first sealing outer ring (411) fixedly connected to the inner wall of the air intake pipe (310). A first inner plate (412) is fixedly connected to the inner side of the first sealing outer ring (411). A first through hole (413) is opened at the center of the first inner plate (412). The noise reduction assembly further includes a second noise reduction component spaced apart in the air intake pipe (310). The second noise reduction component includes a second sealing outer ring (421) fixedly connected to the inner wall of the air intake pipe (310). A second inner plate (422) is fixedly connected to the inner side of the second sealing outer ring (421). A plurality of second through holes (423) are evenly spaced around the center of the second inner plate (422). The connection between the first sealing outer ring (411) and the first inner plate (412) is an arc shape that is recessed toward the filter tube (200). The first inner plate (412) protrudes toward the air inlet (320) and the diameter of the protrusion gradually decreases along the direction opposite to the airflow direction. The connection between the second sealing outer ring (421) of the second silencer and the second inner plate (422) is an arc shape that is recessed toward the filter tube (200). The second inner plate (422) protrudes toward the air inlet (320) and the diameter of the protrusion gradually decreases along the direction opposite to the airflow direction. The first and second silencing components are identical except for the location of the through hole. The first inner plate (412) and the second inner plate (422) are both hemispherical. The cross-sectional shape of the connection between the first sealing outer ring (411) and the first inner plate (412) and the cross-sectional shape of the connection between the second sealing outer ring (421) and the second inner plate (422) are both C-shaped structures.

2. A compressor suction structure according to claim 1, wherein The first silencing component and the second silencing component are spaced apart.

3. A compressor suction structure according to claim 2, wherein The noise reduction components located at both ends are the first noise reduction components.

4. A compressor suction structure according to claim 1, wherein The filter tube (200) is also connected to a filter element cotton (220).

5. A compressor suction structure according to claim 1, wherein The air inlet pipe (100), the filter pipe (200), and the air intake pipe are all covered with sound-absorbing cotton.

6. A compressor suction structure according to claim 5, wherein The air inlet pipe (100), the filter pipe (200), and the sound-absorbing cotton covering the outer periphery of the air intake pipe are an integral structure.

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