CN106246511A - A kind of gas-filtering device of air compressor machine - Google Patents

A kind of gas-filtering device of air compressor machine Download PDF

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Publication number
CN106246511A
CN106246511A CN201610899704.6A CN201610899704A CN106246511A CN 106246511 A CN106246511 A CN 106246511A CN 201610899704 A CN201610899704 A CN 201610899704A CN 106246511 A CN106246511 A CN 106246511A
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CN
China
Prior art keywords
gas
groove
filter element
filtering device
air inlet
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Granted
Application number
CN201610899704.6A
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Chinese (zh)
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CN106246511B (en
Inventor
黄亚清
徐波
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Guangdong hewo Technology Co., Ltd
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Dongguan Jinda Electromechanical Co Ltd
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Priority to CN201610899704.6A priority Critical patent/CN106246511B/en
Publication of CN106246511A publication Critical patent/CN106246511A/en
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Publication of CN106246511B publication Critical patent/CN106246511B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/16Filtration; Moisture separation

Abstract

The invention discloses the gas-filtering device of a kind of air compressor machine, including: include the shell of a hollow, described shell includes upper cover plate, ventilating duct and lower cover, the leading flank of described ventilating duct is provided with air inlet area, described air inlet area offers air inlet, the upper surface of the lower surface of described upper cover plate, the medial wall of described ventilating duct and described lower cover surrounds the inner chamber of described shell, is provided with initial filter assembly and filter element in described inner chamber.The present invention increases by a gas-filtering device before the gas suction inlet of air compressor machine, the initial filter assembly of this gas-filtering device is used for stopping the mixture such as mud, water, sand and dust, the cleanest air after initial filter assembly filters is filtered by filter element secondary again, air after this gas-filtering device filters is the cleanest, greatly reduce the fault rate of air compressor machine, and the service life of the filter element of this gas-filtering device is longer.

Description

A kind of gas-filtering device of air compressor machine
Technical field
The present invention relates to air compressor machine technical field, particularly relate to the gas-filtering device of a kind of air compressor machine.
Background technology
Existing air compressor machine, its gas suction inlet does not typically the most set gas-filtering device, this does not carry out air Filter is directly entered the air of air compressor machine with a lot of granules and dust, and the fault rate of air compressor machine has been significantly greatly increased.Also have some empty Press, though there being gas-filtering device, but the most only at one layer of filter paper filtering air of gas suction inlet outsourcing of air compressor machine, when running into evil Bad weather, particularly during rainy day, mud, water, sand and dust etc. mix, and are attached on filter paper, stick to filter paper after drying On so that it is lose filter effect, and affect air inflow, cause equipment not run well, be easily lost.
Summary of the invention
It is an object of the invention to provide the gas-filtering device of a kind of air compressor machine, solve above technical problem.
For reaching this purpose, the present invention by the following technical solutions:
The gas-filtering device of a kind of air compressor machine, including the gas-filtering device of a kind of air compressor machine, it is characterised in that include The shell of one hollow;Described shell includes upper cover plate, ventilating duct and lower cover;The leading flank of described ventilating duct is provided with air inlet area, Described air inlet area offers air inlet;The middle part of described upper cover plate is provided with air compressor machine connecting portion, and described air compressor machine connecting portion is offered There is venthole;The upper surface of the lower surface of described upper cover plate, the medial wall of described ventilating duct and described lower cover surrounds described The inner chamber of shell;Described inner chamber is provided with initial filter assembly and filter element;
Described initial filter assembly includes trapezoidal baffle plate, between upper plate and the back of described trapezoidal baffle plate of described trapezoidal baffle plate Angle be obtuse angle;The lower surface of described upper cover plate offers draw-in groove, and described upper draw-in groove is one to connect around described air compressor machine The groove in the form of a ring in portion;The upper surface of described trapezoidal baffle plate is close to the bottom land of described upper draw-in groove, the following table of described trapezoidal baffle plate The upper surface of described lower cover is close in face;Described air inlet area is positioned at described upper plate dead ahead;
The height of described filter element is identical with the height of described trapezoidal baffle plate;The upper end of described filter element and the groove of described upper draw-in groove The fixing connection in the end, the lower end of described filter element and the fixing connection of the upper surface of described lower cover;The first of described filter element fixes end face The fixing connection with the left surface of the described back being positioned on the left of described trapezoidal baffle plate, the second of described filter element is fixed end face and is positioned at The right flank of the described back on the right side of described trapezoidal baffle plate is fixing to be connected;
Wherein, described air inlet and described venthole are through hole.
Preferably, described initial filter assembly also includes being arranged at two L-shaped guides described in two between back;L-shaped described in two Guide is individually fixed in the arranged on left and right sides of described air inlet area;
Described L-shaped guide includes air inlet guide part and guide fixed part, described air inlet guide part and described guide Fixed part is vertically arranged;The medial wall of described guide fixed part and described ventilating duct is fixing to be connected.
Preferably, the lower surface of described upper cover plate is additionally provided with sealing;Described upper draw-in groove be positioned at described upper sealing and Between described air compressor machine connecting portion;Described upper sealing is close to the upper surface of described ventilating duct;
The upper surface of described lower cover is provided with sealing portion, lower bayonet slot and central boss;Described lower bayonet slot is a cincture institute State the groove in the form of a ring of central boss, between described sealing portion and described central boss;Described sealing portion is close to The lower surface of described ventilating duct;
The lower surface of described trapezoidal baffle plate is close to the bottom land of described lower bayonet slot;The lower surface of described filter element and described lower bayonet slot Bottom land fixing connect.
Preferably, described gas-filtering device also includes that annular gasket, described annular gasket are annulus column;Described give vent to anger Hole is circular hole;
The hole wall of described venthole stretches out the upper surface of described air compressor machine connecting portion, the lower surface of described venthole and described The lower surface of air compressor machine connecting portion flushes;The lower surface of described annular gasket is close to the upper surface of described air compressor machine connecting portion;Institute The hole wall outside described venthole is close in the medial wall stating annular gasket.
Preferably, described filter element includes the end to end V-arrangement filter disc that multiple shape is identical;Described V-arrangement filter disc is V word Shape;
Wherein, the right flank of the first filter disc of described V-arrangement filter disc is described first to fix end face, the tail filter of described V-arrangement filter disc The left surface of sheet is described second to fix end face.
Preferably, described air inlet area offers multiple described air inlet.
Preferably, described initial filter assembly also includes stepped filtering residue stop part;The upper surface of described ventilating duct also sets There is step fixed part;
Described filtering residue stop part includes first step and second step;The trailing flank of described first step and described back Leading flank is fixed, and the upper surface of described first step is close to the bottom land of described upper draw-in groove, and the leading flank of described first step is close to The cell wall of described upper draw-in groove;
Distance between described first step upper surface and described second step upper surface is equal to the groove depth of described upper draw-in groove;
Described step fixed part is and the groove of described second step form fit;Described second step and described step are solid Determine portion's joggle.
Preferably, the upper end of described filter element and the bottom land of described upper draw-in groove are bonding, the lower end of described filter element and described lower card The bottom land of groove is bonding;The left surface that the first of described filter element fixes the described back on the left of end face and described trapezoidal baffle plate is bonding, The right flank that the second of described filter element fixes the described back on the right side of end face and described trapezoidal baffle plate is bonding.
Beneficial effects of the present invention: the present invention increases a gas-filtering device, this gas before the gas suction inlet of air compressor machine The initial filter assembly of body defecator is used for stopping the mixture such as mud, water, sand and dust so that it is cannot directly contact filter element, work as mud The mixture such as slurry, water, sand and dust enter shell inner cavity by air inlet, can be got off by trapezoidal baffle, be attached to this trapezoidal gear On plate, it can drop after drying automatically, is discharged by air inlet;The cleanest air after initial filter assembly filters leads to again Filtration core secondary filters, and because filter element is no longer adhered to by mixture such as mud, water, sand and dust, does not results in filter element blocking, therefore will not shadow Ringing the air inflow of air compressor machine, the air after filter element filtering is admitted in air compressor machine by gas outlet again, for it;Through this gas Air after body defecator filters is the cleanest, greatly reduces the fault rate of air compressor machine, and the filter of this gas-filtering device The service life of core is longer.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used To obtain other accompanying drawing according to these accompanying drawings.
The perspective view of the gas-filtering device that Fig. 1 provides for the embodiment of the present invention.
The detonation configuration figure of the gas-filtering device that Fig. 2 provides for the embodiment of the present invention.
The part-structure schematic diagram of the gas-filtering device that Fig. 3 provides for the embodiment of the present invention.
In figure:
100, shell;110, upper cover plate;111, air compressor machine connecting portion;1111, venthole;1112, upper cover fixing hole;112、 Upper draw-in groove;113, upper sealing;114, upper card envelope portion;120, ventilating duct;121, air inlet area;1211, air inlet;122, step is solid Determine portion;130, lower cover;131, lower bayonet slot;132, central boss;1321, lower cover fixing hole;133, sealing portion;134, lower card Envelope portion;200, annular gasket;300, filter element;301, first filter disc;302, tail filter disc;303, median filter;400, initial filter assembly; 410, trapezoidal baffle plate;411, upper plate;412, back;420, L-shaped guide;421, air inlet guide part;422, guide is fixed Portion;430, filtering residue stop part;431, first step;432, second step.
Detailed description of the invention
Embodiments provide the gas-filtering device of a kind of air compressor machine, for filtering in the air entering air compressor machine Particulate matter and impurity.
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, below in conjunction with the present invention Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that disclosed below Embodiment be only a part of embodiment of the present invention, and not all embodiment.Based on the embodiment in the present invention, this area All other embodiments that those of ordinary skill is obtained under not making creative work premise, broadly fall into present invention protection Scope.
Further illustrate technical scheme below in conjunction with the accompanying drawings and by detailed description of the invention.
Refer to Fig. 1, Fig. 2 and Fig. 3, the stereochemical structure signal of the gas-filtering device that Fig. 1 provides for the embodiment of the present invention Figure, the detonation configuration figure of the gas-filtering device that Fig. 2 provides for the embodiment of the present invention, the gas that Fig. 3 provides for the embodiment of the present invention The part-structure schematic diagram of body defecator.Wherein, for ease of understanding, in figure, it is longitudinally short transverse or depth direction.
This gas-filtering device includes the shell 100 of a hollow.Shell 100 include upper cover plate 110, ventilating duct 120 and under Cover plate 130.Wherein, the middle part of ventilating duct 120 is a through hole.The lower surface of upper cover plate 110, the medial wall of ventilating duct 120 and The upper surface of lower cover 130 surrounds the inner chamber of shell 100;Described inner chamber is provided with initial filter assembly 400 and filter element 300.
The leading flank of ventilating duct 120 is provided with air inlet area 121, and air inlet area 121 offers multiple aperture, i.e. air inlet 1211, In the present embodiment, the quantity of air inlet 1211 is 12, and it is to stop bulk noncombustibility that air inlet 1211 is set to the purpose of aperture The body such as scraps of paper, plastic bag etc. enters in shell 100, it is preferred that air inlet 1211 is circular hole, and aperture is 5-10 millimeter.
The middle part of upper cover plate 110 is provided with air compressor machine connecting portion 111, and the middle part of air compressor machine connecting portion 111 offers and pneumatics The venthole 1111 of the gas suction inlet form fit of machine;The lower surface of upper cover plate 110 offers draw-in groove 112, upper draw-in groove 112 It it is the groove in the form of a ring of a cincture air compressor machine connecting portion 111.
Initial filter assembly 400 includes trapezoidal baffle plate 410, the upper plate 411 of trapezoidal baffle plate 410 and two of trapezoidal baffle plate 410 Angle between back 412 is obtuse angle;Air inlet area 121 is positioned at upper plate 411 dead ahead.Wherein, the upper end of trapezoidal baffle plate 410 The right flank of the angle between plate 411 and two backs 412 of trapezoidal baffle plate 410, the i.e. back 412 in left side or the back on right side Angle between left surface and the leading flank of upper plate 411 of 412.
The lower surface of upper cover plate 110 is additionally provided with sealing 113;Upper draw-in groove 112 is positioned at sealing 113 and air compressor machine connects Connect between portion 111;Upper sealing 113 is close to the upper surface of ventilating duct 120;The upper surface of lower cover 130 is provided with sealing portion 133, lower bayonet slot 131 and central boss 132;Lower bayonet slot 131 is the groove in the form of a ring of a cincture central boss 132, under being positioned at Between sealing 133 and central boss 132, in the present embodiment, lower bayonet slot 131 is identical with upper draw-in groove 112 shape;Sealing portion 133 lower surfaces being close to ventilating duct 120.The upper surface of trapezoidal baffle plate 410 is close to the bottom land of draw-in groove 112, trapezoidal baffle plate 410 Lower surface is close to the bottom land of lower bayonet slot 131.Preferably, be additionally provided with card envelope portion 114 in the outside of upper sealing 113, under close The outside in envelope portion 133 is additionally provided with lower card envelope portion 134, upper card envelope portion 114 and lower card envelope portion 134 and is all close to the outside of ventilating duct 120 Wall, is arranged such and the sealing effectiveness of shell 100 can be made more preferable.
Initial filter assembly 400 also includes stepped filtering residue stop part 430;The upper surface of ventilating duct 120 is additionally provided with step Fixed part 122;Filtering residue stop part 430 includes first step 431 and second step 432;The trailing flank of first step 431 and back The leading flank of 412 is fixed, and the upper surface of first step 431 is close to the bottom land of draw-in groove 112, and the leading flank of first step 431 is tight Stick the cell wall of draw-in groove 112;Distance between first step 431 upper surface and second step 432 upper surface is equal to upper draw-in groove 112 Groove depth.Step fixed part 122 is and the groove of second step 432 form fit;Second step 432 and step fixed part 122 Joggle.
It is understood that in Fig. 2, first step 431 has three surfaces exposed, for purposes of illustration only, in definition Fig. 2 the The upper surface that surface is first step 431 exposed on the upside of one step 431;It is positioned at the First of the filtering residue stop part 430 in left side Rank 431, below the upper surface of this first step 431, the surface exposed on the left of it is the leading flank of first step 431, outside right side The right flank that surface is first step 431 of dew;It is positioned at the first step 431 of the filtering residue stop part 430 on right side, this first step Below the upper surface of 431, the surface exposed on the left of it is the left surface of first step 431, and the surface that right side is exposed is First The leading flank on rank 431;Defining the surface being oppositely arranged with leading flank is trailing flank.The definition and first of each side of back 412 The definition of each side of step 431 is identical, repeats no more.
Filter element 300 indentation, it includes the end to end V-arrangement filter disc that multiple shape is identical, for purposes of illustration only, according to V-arrangement filter disc is divided into first filter disc 301, median filter 303 and tail filter disc 302, wherein, first filter disc 301 He by V-arrangement filter disc position Tail filter disc 302 is one, and median filter 303 has multiple.First filter disc 301 and the tail filter disc 302 i.e. V-arrangement at filter element 300 both ends Filter disc, median filter 303 is the V-arrangement filter disc between first filter disc 301 and tail filter disc 302.
The height of filter element 300 is identical with the height of trapezoidal baffle plate 410;The upper end of filter element 300 and the bottom land of upper draw-in groove 112 are solid Fixed connection, the lower end of filter element 300 and the bottom land of lower bayonet slot 131 are fixing to be connected;The right flank of first filter disc 301 and trapezoidal baffle plate 410 The left surface of the back 412 in left side is fixing to be connected, the right side of the back 412 on the right side of the left surface of tail filter disc 302 and trapezoidal baffle plate 410 Side is fixing to be connected;Preferably, the fixing connected mode of filter element 300 is for using glue bonding.
Concrete, described gas-filtering device also includes fixing connector;It is provided with upper cover on pneumatics connecting portion 111 to fix Hole 1112;Lower cover fixing hole 1321 it is provided with in central boss 132;Time fixing, make the air inlet area 121 of ventilating duct 120 down, will Venthole 1111 is directed at the gas suction inlet of air compressor machine, makes to be close to inside the hole wall of venthole 1111 the gas suction inlet of air compressor machine Hole wall outside, described fixing connector is sequentially passed through lower cover fixing hole 1321 and upper cover fixing hole 1112, and air compressor machine The other device fixing hole arranged of gas suction inlet is fixing to be connected, and in the present embodiment, described fixing connector is bolt, described device Fixing hole is screwed hole.
Preferably, described gas-filtering device also includes annular gasket 200;The hole wall of venthole 1111 stretches out air compressor machine even Connecing the upper surface in portion 111, the lower surface of venthole 1111 and the lower surface of air compressor machine connecting portion 111 flush;Annular gasket 200 Lower surface is close to the upper surface of air compressor machine connecting portion 111;What venthole 1111 was close in the medial wall of annular gasket 200 stretches out pneumatics Outside the hole wall of the upper surface portion of machine connecting portion 111.
In the present embodiment, air inlet 1211 and venthole 1111 are through hole.
Concrete, initial filter assembly 400 also includes the two L-shaped guides being arranged between two backs 412 of trapezoidal baffle plate 410 420;Two L-shaped guides 420, in L-shaped, are individually fixed in the arranged on left and right sides of air inlet area 121.
L-shaped guide 420 includes air inlet guide part 421 and guide fixed part 422, it is preferred that air inlet guide part 421 He Guide fixed part 422 is vertically arranged;The medial wall of guide fixed part 422 and ventilating duct 120 is fixing to be connected.
Outside air enters from the air inlet 1211 of described gas-filtering device, filters in air through initial filter assembly 400 Slurry, water, the mixture such as sand and dust, then filtered by filter element second time, and then discharge from venthole 1111, to the gas of air compressor machine Suction inlet, the air after being filtered by this gas-filtering device is the cleanest, can greatly reduce the fault rate of air compressor machine, and should The service life of the filter element 300 of gas-filtering device is longer.
Initial filter assembly 400 is used for stopping the mixture such as mud, water, sand and dust so that it is cannot directly contact filter element 300, when The mixture such as mud, water, sand and dust enter the inner chamber of shell 100 by air inlet, can be stopped by trapezoidal baffle plate 410, attachment On this trapezoidal baffle plate 410, it can drop after drying automatically, and due to described gas-filtering device in use, air inlet area 121 is Place down, therefore the residue dropped can be discharged by air inlet 1211;The cleanest after initial filter assembly 400 filters Air is filtered by filter element secondary again, because filter element is no longer adhered to by mixture such as mud, water, sand and dust, does not results in filter element 300 and blocks up Plug, therefore do not interfere with the air inflow of air compressor machine.
In description of the invention, it is to be understood that term " on ", D score, "front", "rear", the instruction such as "left", "right" Orientation or position relationship are based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplification is retouched State rather than indicate or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, Therefore it is not considered as limiting the invention.
The above, above example only in order to technical scheme to be described, is not intended to limit;Although with reference to front State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent;And these Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (8)

1. the gas-filtering device of an air compressor machine, it is characterised in that include the shell of a hollow;Described shell includes upper cover Plate, ventilating duct and lower cover;The leading flank of described ventilating duct is provided with air inlet area, and described air inlet area offers air inlet;On described The middle part of cover plate is provided with air compressor machine connecting portion, and described air compressor machine connecting portion offers venthole;The lower surface of described upper cover plate, institute The upper surface of the medial wall and described lower cover of stating ventilating duct surrounds the inner chamber of described shell;Described inner chamber is provided with initial filter Assembly and filter element;
Described initial filter assembly includes trapezoidal baffle plate, the folder between upper plate and the back of described trapezoidal baffle plate of described trapezoidal baffle plate Angle is obtuse angle;The lower surface of described upper cover plate offers draw-in groove, and described upper draw-in groove is one around described air compressor machine connecting portion Groove in the form of a ring;The upper surface of described trapezoidal baffle plate is close to the bottom land of described upper draw-in groove, and the lower surface of described trapezoidal baffle plate is tight Paste the upper surface of described lower cover;Described air inlet area is positioned at described upper plate dead ahead;
The height of described filter element is identical with the height of described trapezoidal baffle plate;The upper end of described filter element and the bottom land of described upper draw-in groove are solid Fixed connection, the lower end of described filter element and the upper surface of described lower cover are fixing to be connected;The first of described filter element fixes end face and position The left surface of the described back on the left of described trapezoidal baffle plate is fixing to be connected, and the second of described filter element is fixed end face and be positioned at described The right flank of the described back on the right side of trapezoidal baffle plate is fixing to be connected;
Wherein, described air inlet and described venthole are through hole.
Gas-filtering device the most according to claim 1, it is characterised in that described initial filter assembly also includes being arranged at two institutes State two L-shaped guides between back;Described in two, L-shaped guide is individually fixed in the arranged on left and right sides of described air inlet area;
Described L-shaped guide includes that air inlet guide part and guide fixed part, described air inlet guide part and described guide are fixed Portion is vertically arranged;The medial wall of described guide fixed part and described ventilating duct is fixing to be connected.
Gas-filtering device the most according to claim 2, it is characterised in that the lower surface of described upper cover plate is additionally provided with close Envelope portion;Described upper draw-in groove is on described between sealing and described air compressor machine connecting portion;Described upper sealing is led described in being close to The upper surface of air duct;
The upper surface of described lower cover is provided with sealing portion, lower bayonet slot and central boss;Described lower bayonet slot is one in described The groove in the form of a ring of centre boss, between described sealing portion and described central boss;Described sealing portion is close to described The lower surface of ventilating duct;
The lower surface of described trapezoidal baffle plate is close to the bottom land of described lower bayonet slot;The lower surface of described filter element and the groove of described lower bayonet slot The fixing connection in the end.
Gas-filtering device the most according to claim 3, it is characterised in that also include annular gasket, described annular gasket In annulus column;Described venthole is circular hole;
The hole wall of described venthole stretches out the upper surface of described air compressor machine connecting portion, the lower surface of described venthole and described pneumatics The lower surface of machine connecting portion flushes;The lower surface of described annular gasket is close to the upper surface of described air compressor machine connecting portion;Described ring The hole wall outside described venthole is close in the medial wall of shape pad.
Gas-filtering device the most according to claim 4, it is characterised in that described filter element includes the head that multiple shape is identical The V-arrangement filter disc that tail is connected;Described V-arrangement filter disc is in the shape of the letter V;
Wherein, the right flank of the first filter disc of described V-arrangement filter disc is described first to fix end face, the tail filter disc of described V-arrangement filter disc Left surface is described second to fix end face.
Gas-filtering device the most according to claim 5, it is characterised in that described air inlet area offers multiple described air inlet Hole.
Gas-filtering device the most according to claim 5, it is characterised in that described initial filter assembly also includes stepped Filtering residue stop part;The upper surface of described ventilating duct is additionally provided with step fixed part;
Described filtering residue stop part includes first step and second step;The trailing flank of described first step and the front side of described back Face is fixed, and the upper surface of described first step is close to the bottom land of described upper draw-in groove, and the leading flank of described first step is close to described The cell wall of upper draw-in groove;
Distance between described first step upper surface and described second step upper surface is equal to the groove depth of described upper draw-in groove;
Described step fixed part is and the groove of described second step form fit;Described second step and described step fixed part Joggle.
Gas-filtering device the most according to claim 7, it is characterised in that the upper end of described filter element and described upper draw-in groove Bottom land is bonding, and the lower end of described filter element and the bottom land of described lower bayonet slot are bonding;The first of described filter element fixes end face and described ladder The left surface of the described back on the left of shape baffle plate is bonding, and the second of described filter element fixes the institute on the right side of end face and described trapezoidal baffle plate The right flank stating back is bonding.
CN201610899704.6A 2016-10-14 2016-10-14 A kind of gas-filtering device of air compressor machine Active CN106246511B (en)

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CN108194328A (en) * 2018-02-11 2018-06-22 泓道(上海)科技有限公司 Cylinder assembly and the compressed air unit for including it
CN114526219A (en) * 2022-01-18 2022-05-24 李智慧 Air inlet filtering device of direct-connection air compressor

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* Cited by examiner, † Cited by third party
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CN108194328A (en) * 2018-02-11 2018-06-22 泓道(上海)科技有限公司 Cylinder assembly and the compressed air unit for including it
CN114526219A (en) * 2022-01-18 2022-05-24 李智慧 Air inlet filtering device of direct-connection air compressor

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