阅读说明：本技术 一种节能型气体压缩机用的进气装置 (Air inlet device for energy-saving gas compressor ) 是由 李世强 于 2021-08-17 设计创作，主要内容包括：本发明涉及气体压缩机设备技术领域,且公开了一种一种节能型气体压缩机用的进气装置,包括进气腔,所述进气腔的正面设置有出气管道,所述出气管道与进气腔的正面连通设置,所述出气管道远离进气腔的一端与节能型气体压缩机连通设置,所述进气腔的左侧上面设置有弧形进气管道,所述弧形进气管道与进气腔连通设置。该节能型气体压缩机用的进气装置,当气体进入到进气腔内部时,在气流推动力的作用下,会带动转动机构发生转动,转动机构的转动会产生离心力,以此在离心力的作用下会使分流机构中的分流板向外转动,以此使分流板的头部可以对进气腔的内壁清理,达到了防止进气腔内壁灰尘和水珠过多而影响进气的目的。(The invention relates to the technical field of gas compressor equipment, and discloses an air inlet device for an energy-saving gas compressor, which comprises an air inlet cavity, wherein an air outlet pipeline is arranged on the front side of the air inlet cavity, the air outlet pipeline is communicated with the front side of the air inlet cavity, one end, far away from the air inlet cavity, of the air outlet pipeline is communicated with the energy-saving gas compressor, an arc-shaped air inlet pipeline is arranged on the left side of the air inlet cavity, and the arc-shaped air inlet pipeline is communicated with the air inlet cavity. This air inlet unit that energy-saving gas compressor used, when gaseous entering air inlet chamber was inside, under the effect of air current impetus, can drive slewing mechanism and take place to rotate, slewing mechanism's rotation can produce centrifugal force to this splitter plate that can make among the splitter mechanism under the effect of centrifugal force outwards rotates, and the head that makes the splitter plate can be to the inner wall clearance in air inlet chamber with this, has reached and has prevented that air inlet chamber inner wall dust and drop of water are too much and influence the purpose of admitting air.)

1. The utility model provides an air inlet unit that energy-saving gas compressor used, includes air intake chamber (1), its characterized in that: the front in chamber of admitting air (1) is provided with pipeline (2) of giving vent to anger, pipeline (2) of giving vent to anger and the front intercommunication setting in chamber of admitting air (1), the one end and the energy-saving gas compressor intercommunication setting of chamber of admitting air (1) are kept away from in pipeline (2) of giving vent to anger, be provided with arc admission line (3) above the left side in chamber of admitting air (1), arc admission line (3) and chamber of admitting air (1) intercommunication setting, axle department has seted up out dirt groove (4) under chamber of admitting air (1), the inside of going out dirt groove (4) is provided with gravity slewing mechanism (5).

2. The intake apparatus for an energy saving gas compressor according to claim 1, wherein: the gravity rotating mechanism (5) comprises a fixed rod (51), an arc-shaped rotating blade (52) and an extension spring (53), the two ends of the fixing rod (51) are fixedly connected with the central axis of the front inner wall and the rear inner wall of the dust outlet groove (4) respectively, the two arc-shaped rotating blades (52) are rotatably connected with the fixing rod (51) respectively, the two arc-shaped rotating blades (52) are rotatably arranged at the left end and the right end of the fixing rod (51) respectively, one ends, far away from the fixing rod (51), of the two arc-shaped rotating blades (52) are arranged outside the dust outlet groove (4), one ends, far away from the fixing rod (51), of the two arc-shaped rotating blades (52) are in contact with the outer wall of the air inlet cavity (1), the two stretching springs (53) are fixedly connected with the inner walls of the two arc-shaped rotating blades (52) respectively, and one ends, far away from the arc-shaped rotating blades (52), of the two stretching springs (53) are fixedly connected with the inner wall of the air inlet cavity (1) respectively.

3. The intake apparatus for an energy saving gas compressor according to claim 2, wherein: the inside in air intake chamber (1) is provided with slewing mechanism (6), slewing mechanism (6) are including pivot (61), arc flabellum (62), pivot (61) are connected, a plurality of with the inner wall axis department of air intake chamber (1) rotation arc flabellum (62) array is at the surface round of pivot (61).

4. An air intake apparatus for an energy saving gas compressor according to claim 3, characterized in that: every arc flabellum (62) keep away from the one end of pivot (61) and seted up rotation groove (7), the inside of rotating groove (7) is provided with reposition of redundant personnel mechanism (8), reposition of redundant personnel mechanism (8) are including flow distribution plate (81), elastic plate (82), flow distribution plate (81) set up in the inside of rotating groove (7), flow distribution plate (81) are rotated with rotation groove (7) through the round bar and are connected, the outer wall fixed connection of elastic plate (82) and flow distribution plate (81), the one end that flow distribution plate (81) were kept away from in elastic plate (82) is connected with the outer fixed surface of arc flabellum (62).

5. The intake apparatus for an energy saving gas compressor as set forth in claim 4, wherein: the dust scraping mechanism (9) is arranged at the middle shaft of the elastic plate (82), the dust scraping mechanism (9) comprises a dust scraping plate (91) and an elastic memory metal sheet (92), the dust scraping plate (91) is hinged to the middle shaft of the elastic plate (82) respectively, one end, far away from the elastic plate (82), of the dust scraping plate (91) is in contact with the inner wall of the air inlet cavity (1), the middle shaft of the dust scraping plate (91) is fixedly connected with the elastic memory metal sheet (92), and one end, far away from the dust scraping plate (91), of the elastic memory metal sheet (92) is fixedly connected with the outer surface of the arc-shaped fan blade (62).

6. The intake apparatus for an energy saving gas compressor according to claim 5, wherein: the air inlet structure is characterized in that an air inlet hole is formed in the middle shaft of one end, far away from an air inlet cavity (1), of the arc-shaped air inlet pipeline (3), an arc-shaped moving rod (10) is arranged in the middle shaft of the interior of the arc-shaped air inlet pipeline (3), one end, far away from the air inlet hole, of the arc-shaped moving rod (10) is fixedly connected with the inner wall of the air inlet cavity (1) through a spring, a prick mechanism (11) is arranged at one end, far away from the spring, of the arc-shaped moving rod (10), and one end, far away from the prick mechanism (11), of the arc-shaped moving rod (10) extends to the interior of the air inlet cavity (1).

7. The intake apparatus for an energy saving gas compressor according to claim 6, wherein: awl thorn mechanism (11) are including awl thorn board (111), awl thorn (112), through-hole (113), the one end fixed connection of spring, a plurality of are kept away from to awl thorn board (111) and arc carriage release lever (10) the one end fixed connection of arc carriage release lever (10), a plurality of are kept away from to awl thorn (112) and awl thorn board (111) through-hole (113) are seted up on awl thorn board (111), through-hole (113) set up between awl thorn (112), a plurality of awl thorn (112) are placed inside the inlet port respectively.

8. The intake apparatus for an energy saving gas compressor as set forth in claim 7, wherein: the outer surfaces of the upper side and the lower side of the arc moving rod (10) are respectively provided with a plurality of swing mechanisms (12), each swing mechanism (12) comprises an arc swing plate (121), a swing rod (122) and an elastic sheet (123), the arc swing plates (121) are respectively hinged to the outer wall of the arc moving rod (10), one ends, far away from the arc moving rod (10), of the arc swing plates (121) are fixedly connected with the middle shaft of the swing rods (122), the middle shaft of the arc swing plates (121) is fixedly connected with the outer wall of the arc swing plates (121) through the elastic sheets (123), and the outer surfaces of the swing rods (122) are in contact with the inner wall of the arc air inlet pipeline (3).

Technical Field

The invention relates to the technical field of gas compressor equipment, in particular to an air inlet device for an energy-saving gas compressor.

Background

A gas compressor is a device capable of producing high-pressure gas, and is widely used in mining, chemical, metallurgical, mechanical manufacturing, electrical, textile, food, pharmaceutical and other industrial sectors, and is also called "general machine" because of its wide use.

When the gas compressor is used, the temperature of compressed gas is higher in the air pressure generating device for compressing air, however, if the gas compressor is used in winter or in a region with lower temperature, water drops are generated in the air inlet device due to larger temperature difference between the inside and the outside, if the water drops are not cleaned in time, ice blocks are formed due to lower temperature after the device finishes working, the device is damaged, and the service life of the device is seriously shortened.

Disclosure of Invention

The present invention is directed to an air intake device for an energy-saving gas compressor to solve the problems of the related art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an air inlet unit that energy-saving gas compressor used, includes the chamber of admitting air, the front in chamber of admitting air is provided with the pipeline of giving vent to anger, the pipeline of giving vent to anger sets up with the front intercommunication in chamber of admitting air, the pipeline of giving vent to anger keeps away from the one end and the energy-saving gas compressor intercommunication setting in chamber of admitting air, be provided with the arc admission line above the left side in chamber of admitting air, the arc admission line sets up with the chamber intercommunication of admitting air, the axle department has seted up out the dirt groove under the chamber of admitting air, the inside that goes out the dirt groove is provided with gravity slewing mechanism.

Preferably, the gravity rotating mechanism comprises a fixed rod, arc-shaped rotating blades and extension springs, two ends of the fixed rod are fixedly connected with the inner wall middle shaft in the front of and behind the dust outlet groove respectively, the two arc-shaped rotating blades are rotatably connected with the fixed rod respectively, the two arc-shaped rotating blades are rotatably arranged at the left end and the right end of the fixed rod respectively, one ends, far away from the fixed rod, of the two arc-shaped rotating blades are arranged outside the dust outlet groove, one ends, far away from the fixed rod, of the two arc-shaped rotating blades are in contact with the outer wall of the air inlet cavity, the two extension springs are fixedly connected with the inner walls of the two arc-shaped rotating blades respectively, and one ends, far away from the arc-shaped rotating blades, of the two extension springs are fixedly connected with the inner wall of the air inlet cavity respectively.

Preferably, a rotating mechanism is arranged inside the air inlet cavity and comprises a rotating shaft and a plurality of arc-shaped fan blades, the rotating shaft is rotatably connected with the middle shaft of the inner wall of the air inlet cavity, and the arc-shaped fan blades are arrayed on the outer surface of the rotating shaft for a circle.

Preferably, every the one end that the pivot was kept away from to the arc flabellum has been seted up and has been rotated the groove, the inside that rotates the groove is provided with reposition of redundant personnel mechanism, reposition of redundant personnel mechanism includes flow distribution plate, elastic plate, the flow distribution plate sets up in the inside that rotates the groove, the flow distribution plate passes through the round bar and rotates the groove rotation and be connected, the outer wall fixed connection of elastic plate and flow distribution plate, the one end that the flow distribution plate was kept away from to the elastic plate is connected with the surface fixed connection of arc flabellum.

Preferably, a dust scraping mechanism is arranged at the middle shaft of the elastic plate, the dust scraping mechanism comprises a dust scraping plate and an elastic memory metal sheet, the dust scraping plate is hinged to the middle shaft of the elastic plate, one end, far away from the elastic plate, of the dust scraping plate is in contact with the inner wall of the air inlet cavity, the middle shaft of the dust scraping plate is fixedly connected with the elastic memory metal sheet, and one end, far away from the dust scraping plate, of the elastic memory metal sheet is fixedly connected with the outer surface of the arc-shaped fan blade.

Preferably, an air inlet hole is formed in the middle shaft of one end, far away from the air inlet cavity, of the arc-shaped air inlet pipeline, an arc moving rod is arranged in the middle shaft of the arc-shaped air inlet pipeline, one end, far away from the air inlet hole, of the arc moving rod is fixedly connected with the inner wall of the air inlet cavity through a spring, a prick mechanism is arranged at one end, far away from the spring, of the arc moving rod, and one end, far away from the prick mechanism, of the arc moving rod extends into the air inlet cavity.

Preferably, prick thorn mechanism includes awl thorn board, awl thorn, through-hole, the one end fixed connection that the spring was kept away from to awl thorn board and arc carriage release lever, a plurality of the one end fixed connection that arc carriage release lever was kept away from to awl thorn and awl thorn board, a plurality of the through-hole is seted up on awl thorn board, the through-hole sets up between the awl thorn, a plurality of the awl thorn is placed inside the inlet port respectively.

Preferably, the outer surfaces of the upper side and the lower side of the arc moving rod are respectively provided with a plurality of swinging mechanisms, each swinging mechanism comprises an arc swinging plate, a swinging rod and an elastic sheet, the arc swinging plates are respectively hinged with the outer wall of the arc moving rod, one end, away from the arc moving rod, of each arc swinging plate is fixedly connected with the middle shaft of the corresponding swinging rod, the middle shaft of each arc swinging plate is fixedly connected with the outer wall of the corresponding arc swinging plate through the corresponding elastic sheet, and the outer surface of each swinging rod is in contact with the inner wall of the arc air inlet pipeline.

Compared with the prior art, the invention has the beneficial effects that:

(1) this air inlet unit that energy-saving gas compressor used, when gaseous entering air inlet chamber is inside, under the effect of air current impetus, can drive slewing mechanism and take place to rotate, slewing mechanism's rotation can produce centrifugal force to this splitter plate that can make among the splitter mechanism under the effect of centrifugal force outwards rotates, and the head that makes the splitter plate with this can be to the inner wall clearance in air inlet chamber, has reached and has prevented that air inlet chamber inner wall dust and drop of water are too much and influence the purpose of admitting air.

(2) This air inlet unit that energy-saving gas compressor used, when the flow distribution plate was flowed through to the air current, can make the air current move according to certain orbit under the effect of flow distribution plate, the gas of reposition of redundant personnel can have a effect of promoting to the dust scraping plate, and to the elastic force effect of elastic plate when the cooperation flow distribution plate rotates, can make the dust scraping plate have a continuous wobbling clearance effect to the inner wall of chamber of admitting air to the clearance effect to the intracavity wall of admitting air has been strengthened.

(3) This air inlet unit that energy-saving gas compressor used, after slewing mechanism drives reposition of redundant personnel mechanism and scrapes dirt mechanism and takes place to rotate, can have an intermittent type nature continuous striking to the arc carriage release lever, utilize the impact can drive the arc carriage release lever and take place to remove, thereby can drive prick thorn mechanism and clear up the inlet port after the arc bar takes place to remove, thereby prevented that outside dust is too much and block up the inlet port.

(4) This air inlet unit that energy-saving gas compressor used owing to set up prick thorn mechanism in the inside of inlet port to the impetus that cooperates the air current can make swing mechanism take place to the dust that can be to arc inlet duct inner wall and drop of water clear up when making prick thorn mechanism remove, can also utilize swing mechanism's swing power to prevent that the dust from leaving over on swing mechanism simultaneously.

(5) This air inlet unit that energy-saving gas compressor used, after work is accomplished, because use winter, the lower this of temperature has just made to admit air and has condensed the drop of water on the inner wall in chamber, it can flow to the dirt inslot portion according to the shape in chamber of admitting air to reach certain effect when the drop of water, after the drop of water reaches certain weight, can drive gravity slewing mechanism under the effect of gravity and take place to rotate, with this can reach the purpose outside the drop of water eduction gear, simultaneously set up gravity slewing mechanism in the dirt inslot portion of leaving, can also have a effect that blocks to gas, prevent that gas from discharging the chamber of admitting air through the dirt groove, thereby influence the device's work.

(6) This air inlet unit that energy-saving gas compressor used sets the inlet line in the device to the arc shape, can utilize the gravity of self to can be along outside the automatic eduction gear of arc inlet line wall with the drop of water and the dust that condense at the inlet line like this to alleviate staff's work burden, strengthened the device's practicality.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of the overall structure of the gravity rotating mechanism of the present invention;

FIG. 4 is a schematic view of the overall structure of the interior of the intake chamber of the present invention;

FIG. 5 is an enlarged view of A of FIG. 4 according to the present invention;

FIG. 6 is a side cross-sectional view of the arcuate inlet duct of the present invention;

fig. 7 is a schematic view of the overall structure of the swing mechanism of the present invention.

In the figure: 1. an air inlet cavity; 2. an air outlet pipe; 3. an arc-shaped air inlet pipeline; 4. a dust outlet groove; 5. a gravity rotation mechanism; 51. fixing the rod; 52. an arc-shaped rotating blade; 53. an extension spring; 6. a rotating mechanism; 61. a rotating shaft; 62. arc-shaped fan blades; 7. a rotating groove; 8. a flow dividing mechanism; 81. a flow distribution plate; 82. an elastic plate; 9. a dust scraping mechanism; 91. a dust scraping plate; 92. a resilient memory metal sheet; 10. an arc-shaped moving rod; 11. a stabbing mechanism; 111. a stabbing board; 112. e, stabbing; 113. a through hole; 12. a swing mechanism; 121. an arc-shaped swing plate; 122. a swing lever; 123. an elastic sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: an air inlet device for an energy-saving gas compressor comprises an air inlet cavity 1, wherein the air inlet cavity 1 is arranged for collecting air, an air outlet pipeline 2 is arranged on the front surface of the air inlet cavity 1 and is used for facilitating the air to enter the energy-saving gas compressor, the air outlet pipeline 2 is communicated with the front surface of the air inlet cavity 1 and is used for facilitating the air to enter and exit, one end, away from the air inlet cavity 1, of the air outlet pipeline 2 is communicated with the energy-saving gas compressor and is used for facilitating the air to circulate, an arc-shaped air inlet pipeline 3 is arranged on the left side of the air inlet cavity 1 and is used for facilitating the air to enter, the arc-shaped air inlet pipeline 3 is communicated with the air inlet cavity 1 and is used for facilitating the air to flow in, a dust outlet groove 4 is formed in the middle shaft position under the air inlet cavity 1, the purpose of this arrangement is to discharge the dust and the generated water drops outside the device, and the inside of the dust outlet groove 4 is provided with a gravity rotating mechanism 5, and the purpose of this arrangement is to have a blocking effect on the gas.

Preferably, in this embodiment, in order to prevent air from flowing out of the air inlet chamber 1, the gravity rotating mechanism 5 includes a fixing rod 51, two arc rotating blades 52 and an extension spring 53, two ends of the fixing rod 51 are respectively and fixedly connected to the central axes of the front and rear inner walls of the dust outlet groove 4, the fixing rod 51 is fixed by the two arc rotating blades 52, the fixing rod 51 is rotatably connected to the two arc rotating blades 52, the arc rotating blades 52 are respectively and rotatably disposed at the left and right ends of the fixing rod 51, one ends of the two arc rotating blades 52 far away from the fixing rod 51 are disposed outside the dust outlet groove 4, the fixing rod 52 is prevented from rotating inwards by the two arc rotating blades 52, one ends of the two arc rotating blades 52 far away from the fixing rod 51 are in contact with the outer wall of the air inlet chamber 1, and the air tightness of the device is maintained by the extension spring 53, two extension springs 53 are respectively with the inner wall fixed connection of two arc rotating blades 52, and the purpose of setting like this is for fixed extension spring 53, and the one end that two extension springs 53 keep away from arc rotating blade 52 is respectively with the inner wall fixed connection of intake chamber 1, and the purpose of setting like this is for the convenience quick reset of arc rotating blade 52.

Preferably, in this embodiment, in order to utilize the thrust of the air flow so as to stir the air flow inside the air intake cavity 1, a rotating mechanism 6 is arranged inside the air intake cavity 1, the rotating mechanism 6 includes a rotating shaft 61 and arc-shaped blades 62, the rotating shaft 61 is rotatably connected with the central axis of the inner wall of the air intake cavity 1, the purpose of the arrangement is to facilitate the rotation of the rotating shaft 61, the plurality of arc-shaped blades 62 are arrayed on the outer surface of the rotating shaft 61 for one circle, and the purpose of the arrangement is to facilitate the utilization of the thrust of the air flow.

Preferably, in this embodiment, in order to have a diversion guiding function on the airflow entering the air intake chamber 1, one end of each arc-shaped fan blade 62 away from the rotating shaft 61 is provided with a rotating groove 7, the purpose of this arrangement is to fix the diversion mechanism 8, the diversion mechanism 8 is arranged inside the rotary tank 7, the diversion mechanism 8 comprises a diversion plate 81 and an elastic plate 82, the diversion plate 81 is arranged inside the rotary tank 7, the purpose of this is to fix the diverter plate 81, the diverter plate 81 is connected with the rotary slot 7 by a round rod, the purpose of this arrangement is to facilitate the rotation of the dividing plate 81, the elastic plate 82 is fixedly connected to the outer wall of the dividing plate 81, the purpose of this arrangement is to facilitate fixing the elastic plate 82, one end of the elastic plate 82 far away from the dividing plate 81 is fixedly connected with the outer surface of the arc-shaped fan blade 62, this is done to facilitate the connection of the diverter plate 81 to the arcuate vanes 62.

Preferably, in this embodiment, in order to clean the inner wall of the intake chamber 1 by using the rotational thrust of the rotating mechanism 6, the dust scraping mechanism 9 is disposed at the central axis of the elastic plate 82, the dust scraping mechanism 9 includes a dust scraping plate 91 and an elastic memory metal sheet 92, the dust scraping plate 91 is hinged to the central axis of the elastic plate 82, the purpose of this arrangement is to facilitate the rotation of the dust scraping plate 91, the end of the dust scraping plate 91 remote from the elastic plate 82 contacts the inner wall of the intake chamber 1, the purpose of this arrangement is to facilitate the cleaning of the inner wall of the air inlet chamber 1, the middle shaft of the dust scraping plate 91 is fixedly connected with the elastic memory metal sheet 92, the elastic memory metal sheet 92 is fixed to the end of the elastic memory metal sheet 92 away from the dust scraping plate 91 and fixedly connected to the outer surface of the arc fan blade 62, and the elastic memory metal sheet 91 is connected to the arc fan blade 62.

Preferably, in this embodiment, in order to facilitate cleaning of the arc-shaped air inlet pipe 3, an air inlet hole is arranged at a central axis of one end of the arc-shaped air inlet pipe 3 far away from the air inlet cavity 1, the purpose of the arrangement is to facilitate the gas entering, an arc-shaped moving rod 10 is arranged at the middle shaft of the inner part of the arc-shaped pipeline 3, the purpose of the arrangement is to facilitate the fixing of the prick mechanism 11, one end of the arc-shaped movable rod 10 far away from the air inlet hole is fixedly connected with the inner wall of the air inlet cavity 1 through a spring, the purpose of this arrangement is to fix the arc-shaped moving rod 10 conveniently, one end of the arc-shaped moving rod 10 far away from the spring is provided with a prick mechanism 11, the purpose of this arrangement is to prevent the air inlet hole from being blocked by dust, one end of the arc-shaped moving rod 10 far away from the prick mechanism 11 extends into the air inlet cavity 1, this is provided for the purpose of pushing the arc moving bar 10 to move by the rotational force of the dividing plate 81.

Preferably, in this embodiment, in order to clean the air inlet hole and prevent the air inlet hole from being blocked and influencing air inflow, the prick mechanism 11 includes a prick plate 111, a prick 112 and a through hole 113, the prick plate 111 is fixedly connected with one end of the arc-shaped moving rod 10 far away from the spring, the purpose of setting is to fix the prick plate 111, the end of the plurality of prick 112 and the prick plate 111 far away from the arc-shaped moving rod 10 is fixedly connected, the purpose of setting is to fix the prick 112, the plurality of through hole 113 is opened on the prick plate 111, the purpose of setting is to facilitate gas to pass through, the through hole 113 is arranged between the prick plates 112, the purpose of setting is to prevent the through hole 113 from being blocked, the plurality of prick plates 112 are respectively placed inside the air inlet hole, and the purpose of setting is to facilitate the movement of the prick plate 112 inside the air inlet hole.

Preferably, in this embodiment, in order to facilitate cleaning of the inner wall of the arc air intake duct by using the pushing force of the air flow, the outer surfaces of the upper and lower sides of the arc moving rod 10 are respectively provided with a plurality of swing mechanisms 12, each swing mechanism 12 includes an arc swing plate 121, a swing rod 122, and an elastic sheet 123, the plurality of arc swing plates 121 are respectively hinged to the outer wall of the arc moving rod 10, such a setting is for facilitating the rotation of the arc swing plate 121, one end of the arc swing plate 121 far away from the arc moving rod 10 is fixedly connected to the middle axis of the swing rod 122, such a setting is for fixing the swing rod 122, the middle axis of the arc swing plate 121 is fixedly connected to the outer wall of the arc swing plate 121 through the elastic sheet 123, such a setting is for facilitating the quick resetting of the arc swing plate 121, the outer surface of the swing rod 122 is in contact with the inner wall of the arc air intake duct 3, this is provided for the purpose of facilitating cleaning of the inner wall of the arc-shaped air intake duct 3.

The working principle is as follows:

when the staff used the device, the air current can enter into 1 inside through 3, when gas entered into air inlet chamber 1 inside, under the effect of air current impetus, can drive slewing mechanism 6 and take place to rotate, slewing mechanism 6's rotation can produce centrifugal force, with this flow distribution plate 81 that can make among the flow distribution mechanism 6 under the effect of centrifugal force outwards rotates, with this head that makes flow distribution plate 81 can be to the inner wall clearance of air inlet chamber 1, reached and prevented that air inlet chamber 1 inner wall dust is too much and influence the purpose of admitting air.

Secondly when the gas that enters into air intake chamber 1 inside flows into when flowing through flow distribution plate 81, can make the air current move according to certain orbit under the effect of flow distribution plate 81, the gas of reposition of redundant personnel can have a promotion effect to scraping dirt board 91, the elasticity effect to elastic plate 82 when cooperation flow distribution plate 81 rotates, can make scraping dirt board 91 have a continuous wobbling cleaning action to the inner wall of air intake chamber 1, thereby the cleaning action to air intake chamber 1 inner wall has been strengthened, simultaneously after slewing mechanism 6 drives reposition of redundant personnel mechanism 8 and scrapes dirt mechanism 9 and takes place to rotate, can have an intermittent type nature continuous striking to arc-shaped movable rod 10, utilize the impact force can drive arc-shaped movable rod 10 and take place to remove, thereby can drive awl mechanism 11 and clear up the inlet port after arc-shaped movable rod 10 takes place to remove, thereby prevented that outside dust is too much and blockked up the inlet port.

Because the awl thorn mechanism 11 is arranged in the air inlet hole, the awl thorn mechanism 11 can swing under the pushing action of the matching air flow when moving, thereby cleaning the dust and water drops on the inner wall of the arc-shaped air inlet pipeline 3, simultaneously preventing the dust from remaining on the swing mechanism 12 by utilizing the swing force of the swing mechanism 12, after the work is finished, because the water drops are condensed on the inner wall of the air inlet cavity 1 when the temperature is low in winter, when the water drops reach a certain action, the water drops can flow into the dust outlet groove according to the shape of the air inlet cavity, when the water drops reach a certain weight, the gravity rotating mechanism 5 can be driven to rotate under the action of gravity, thereby achieving the purpose of discharging the water drops out of the device, and meanwhile, the gravity rotating mechanism 5 is arranged in the dust outlet groove 4 and can also have a blocking action on the air, gas is prevented from exiting the inlet chamber 1 through the dust outlet slot 4, thereby affecting the operation of the device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.