CN110367879A - Air exhausting device and dust catcher equipped with it - Google Patents

Abstract

The present invention relates to a kind of air exhausting device and equipped with its dust catcher, air exhausting device includes: air discharge structure；Press-key structure, air discharge structure is slidably mounted on along the second direction perpendicular to first direction, press-key structure includes key connector, button and key hook component, and key connector and key hook component are arranged at intervals at the opposite end of key connector in a second direction；Switched between the first location and the second location when press-key structure moves in a second direction with opposite air discharge structure, when press-key structure is in first position, key hook can be coupled with electric machine casing, and when press-key structure is in the second position, key hook can be separated with electric machine casing.The press-key structure of said exhaust device controls all key hooks simultaneously by a button, therefore simplifies the construction of press-key structure, saves the quantity of the parts such as button.

Description

Air exhausting device and dust catcher equipped with it

Technical field

The present invention relates to household appliance technical fields, more particularly to a kind of air exhausting device and equipped with its dust catcher.

Background technique

With social progress and the improvement of people's living standards, requirement of the people for quality of life is also higher and higher, The use for helping people to clean the dust catcher of indoor environment is also more and more extensive.Motor is installed, motor operation produces in dust catcher Raw suction can draw dust and sundries in external environment, and the air-flow entered in motor simultaneously with dust and sundries then passes through Air exhausting device discharge.And hand held cleaner, since volume is more compact, use is more flexible, therefore horizontal compared to traditional Dust catcher, portability and applicability all improve a lot.

But currently, the construction of the air exhausting device of existing hand held cleaner is complex, and installation and removal are more It is cumbersome, therefore inconvenience is brought to the use of dust catcher, reduce user experience.

Summary of the invention

Based on this, it is necessary to for the complex problem of dismounting of the air exhausting device of dust catcher, it is simple to provide a kind of dismounting Single tapping equipment and the dust catcher equipped with it.

A kind of air exhausting device, is removably sheathed on outside electric machine casing along first direction, and the air exhausting device includes:

Air discharge structure, the exhaust outlet equipped with main accommodating chamber open at one end, the connection main accommodating chamber and external environment with And the key hole of the connection main accommodating chamber and external environment, the central axis of the opening of the main accommodating chamber is along the first party To extension, the central axis of the key hole intersects with the first direction；And

Press-key structure is slidably mounted on the air discharge structure, institute along the second direction perpendicular to the first direction Stating press-key structure includes key connector, button and key hook component, the key connector and the key hook group Part is arranged at intervals at the opposite end of the key connector along the second direction, and the key connector is limited in the row In wind structure, the button protrudes into the key hole, and the key hook component includes more than two key hooks, Mei Gesuo It states key hook and stretches out the air discharge structure along the first direction；

Return unit, the both ends of the return unit are respectively limited by the air discharge structure and the press-key structure；

Wherein, the press-key structure is moved along the second direction with the relatively described air discharge structure in first position and second Switch between position, it is from the second position towards described first that the return unit, which is used to apply the press-key structure in direction, The thrust of position；When the press-key structure is in the first position, the key hook can be coupled with the electric machine casing, When the press-key structure is in the second position, the key hook can be separated with the electric machine casing.

Said exhaust device, user can promoting button so that key hook component is moved along first direction, thus make by Key hook switches between the first location and the second location with respect to air discharge structure.Since the press-key structure passes through a button simultaneously All key hooks are controlled, therefore simplify the construction of press-key structure, save the quantity of the parts such as button.

The key connector is along the main accommodating chamber in the edge arc of one end of opening in one of the embodiments, Extend, two ends of the key connector are spaced setting on third direction；The key hook component includes two and presses Key hook, two key hooks are located at the key connector spaced two ends on the third direction Portion, the button be connected to side of the key connector far from the key hook and be located at two key hooks it Between；Wherein, the third direction is perpendicular to the first direction and the second direction.

The key hook component and the button are located at the key connector and exist in one of the embodiments, Opposite sides on the first direction, the key hook component extend along the first direction to stretch out the air draft knot Structure, the button extend towards the direction away from the key hook component along the first direction and protrude into the key hole.

The air discharge structure includes air draft shell and air draft upper cover in one of the embodiments, and the air draft upper cover exists It is removably installed in air draft shell one end on the first direction, the main accommodating chamber, the exhaust outlet and described Key hole is set to the air draft shell, and the key connector is contained in the air draft upper cover, and the button is along described first Direction stretches out the air draft upper cover and protrudes into the key hole along the second direction, and the button buckle component is along described first Direction passes through the air draft upper cover.

The air draft upper cover includes on first be detachably connected along the first direction in one of the embodiments, Lid and the second upper cover, the key connector are supported in first upper cover towards second upper cover side, on described first Lid offers key slot, and the button passes through the key slot to protrude into the key hole, and second upper cover offers key Hook slot, the key hook component pass through the key hook slot to be coupled with the electric machine casing.

First upper cover includes the first upper cap body and lid sealing element in one of the embodiments, and described the One upper cap body is equipped with the connecting hole for being connected to the main accommodating chamber, and the lid sealing element is removably installed on described first Lid main body and the edge for surrounding the connecting hole.

The air exhausting device further includes filter structure in one of the embodiments, and the filter structure is contained in described In main accommodating chamber.

A kind of dust catcher, including said exhaust device, the dust catcher further include electric machine casing, described electric machine casing one end It protrudes into the main accommodating chamber, the press-key structure is coupled or separates with the electric machine casing.

The press-key structure and the electric machine casing inclined-plane cooperate in one of the embodiments, are used for the air draft The displacement of device in said first direction is converted to the displacement of the press-key structure in this second direction.

The dust catcher further includes handle in one of the embodiments, and the handle is set to the institute of the air exhausting device State the side of second direction.

Detailed description of the invention

Fig. 1 is the partial structure diagram of the dust catcher of one embodiment of the invention；

Fig. 2 is the front view of the air exhausting device of one embodiment of the invention；

Fig. 3 is the side view of air exhausting device shown in Fig. 1；

Fig. 4 is the structural exploded view of air exhausting device shown in Fig. 1；

Fig. 5 is the top view of air exhausting device shown in Fig. 1；

Fig. 6 be Fig. 5 shown in air exhausting device A-A to cross-sectional view；

Fig. 7 is the cross-sectional view of the B-B direction of air exhausting device shown in Fig. 5；

Fig. 8 be Fig. 5 shown in air exhausting device C-C to cross-sectional view；

Fig. 9 be Fig. 5 shown in air exhausting device D-D to cross-sectional view.

Specific embodiment

To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough Comprehensively.

It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases Any and all combinations of the listed item of pass.

As shown in Figure 1, a kind of dust catcher 100 of the embodiment of the present invention, including offering the main casing of suction inlet, being set to The intracorporal dirt cup of main casing, separated structure and motor.The suction that motor operation generates leads to the dust in external environment with sundries It crosses in suction inlet sucking dirt cup, dust stays in dirt cup after being separated with sundries by separated structure, enters master with dust and sundries The intracorporal air-flow of shell then flows out main casing and comes back in external environment.

In order to be oriented to and be purified to air-flow before air-flow comes back in external environment, the dust catcher of the application 100 further include air exhausting device 30.Specifically, main casing includes the electric machine casing 10 (as shown in Figure 9) for accommodating motor, motor The side wall of the tail portion of shell 10 offers multiple spaced gas vents, and air exhausting device 30 is removably arranged along first direction In the lateral tail of electric machine casing 10, the air-flow of gas vent outflow is discharged into external environment after being filtered by air exhausting device 30.

As shown in Figures 2 and 3, air exhausting device 30 includes air discharge structure 20 and press-key structure 40, and press-key structure 40 is along vertical It is movably limited in air discharge structure 20 in the second direction of first direction, and can be coupled or separate with electric machine casing 10, thus Connect or separate air discharge structure 20 with electric machine casing 10.

It please refers to shown in Fig. 4, specifically, air discharge structure 20 includes air draft shell 21, filter structure 23 and air draft upper cover. Wherein, air draft shell 21 is sheathed on the lateral tail of electric machine casing 10, and filter structure 23 is contained in air draft shell 21 and surround 10 outside of electric machine casing after the air-flow that electric machine casing 10 flows out is filtered by filter structure 23, then passes through air draft shell 21 and flows out. Air draft upper cover is removably installed in 21 one end of air draft shell in a first direction, to close air draft shell 21 and electric machine casing 10 Between gap, and for limiting press-key structure 40.

Specifically, as shown in Fig. 2, Fig. 4 and Fig. 5, the substantially cylindrical structure of air draft shell 21, including air draft shell bottom wall 212 and air draft housing sidewall 214.The structure in the form of a circular plate of air draft shell bottom wall 212, air draft housing sidewall 214 is by air draft shell 212 edge of bottom wall is extended to form towards first direction, air draft housing sidewall 214 around air draft shell bottom wall 212 periphery, and with row Main accommodating chamber open at one end is collectively formed in wind shell bottom wall 212, and the central axis of the opening of main accommodating chamber is along first direction Extend.In this way, the tail portion of electric machine casing 10 can the open end of autonomous accommodating chamber protruded into main accommodating chamber along first direction.

Air draft housing sidewall 214 offers spaced two groups of exhaust outlets 2141, every group of exhaust outlet on third direction 2141 include the exhaust outlet 2141 of multiple arrays setting, and each exhaust outlet 2141 is connected to main accommodating chamber and external environment, often The central axis of a exhaust outlet 2141 intersects with first direction.In this way, the air-flow in main accommodating chamber passes through air draft housing sidewall 214 exhaust outlet 2141 flows into external environment obliquely.

Air draft housing sidewall 214 is also provided with key hole 2142, and key hole 2142 is used to cooperate with press-key structure 40, user 2142 operational and controlled key button structure 40 of key hole can be passed through.Specifically, a circular key hole 2142 is located at two groups of exhaust outlets 2141 Between, the central axis of key hole 2142 extends in a second direction.Further, the hole wall of key hole 2142 is also provided with along The button limiting slot that two directions extend, the button limiting slot are used to cooperate with press-key structure 40 to limit press-key structure 40.

As shown in Fig. 4, Fig. 7 and Fig. 8, the inner wall of air draft housing sidewall 214 towards main accommodating chamber is equipped with for limiting filtering The filter structure mounting assembly of structure 23.Specifically, filter structure mounting assembly includes filter structure limit rib 2143a and filtering Structure gear muscle 2143b.Wherein, filter structure limit rib 2143a is circumferentially extended along air draft housing sidewall 214, for first Direction upper limit filter structure 23.Multiple filter structure gear muscle 2143b are provided at circumferentially spaced along air draft housing sidewall 214, phase Limit space is formed between two filter structure gear muscle 2143b of neighbour, to limit filter structure 23 in the circumferential.

Please referring particularly to Fig. 4 and Fig. 6, air draft housing sidewall 214 is additionally provided with the first connection card for connecting air draft upper cover Hook 2144 and air draft retaining convex rib 2145.Specifically, two first connection hooks 2144 are along the inside of air draft housing sidewall 214 Be provided at circumferentially spaced, and it is each first connection hook 2144 be convexly equipped in air draft housing sidewall 214 inner wall middle part with row The connection of wind upper cover.Air draft retaining convex rib 2145 is located at one side edge of the air draft housing sidewall 214 towards the open end of main accommodating chamber, And along the arc-shaped extension in the edge of main accommodating chamber, air draft retaining convex rib 2145 is circumferentially spaced to be equipped with multiple second connection hooks 2145a, each second connection hook 2145a are bent to main receiving cavity direction to connect with air draft upper cover.

Air draft shell bottom wall 212 is equipped with filter structure mounting groove, filter structure installation towards a side end face of main accommodating chamber Slot is annular in shape to limit filter structure 23.One side end face of air draft shell bottom wall 212 towards main accommodating chamber is also convexly equipped with button Slide guide muscle 2121, button slide guide muscle 2121 are located at 2142 side of key hole, and button slide guide muscle 2121 extends in a second direction to be thought The mobile offer guiding role of press-key structure 40.

In this way, air discharge structure 20 limits by filter structure mounting assembly and filter structure mounting groove and fixes filter structure 23, and pass through the first connection hook 2144, air draft retaining convex rib 2145 and the second fixed air draft upper cover of connection hook 2145a. It is appreciated that air discharge structure 20 is used to fix filter structure 23 and the structure of air draft upper cover is unlimited, it can be as needed using difference The fixed filter structure 23 of mode and air draft upper cover.

Filter structure 23 includes the filtration members 232 of hollow cylindrical, and filtration members 232 are contained in main accommodating chamber, and is filtered The size for the through-hole that part 232 is centrally formed is matched with the size of the opening of main accommodating chamber.One end limit in 232 axial direction of filtration members In the filter structure mounting groove of air draft shell bottom wall 212, and it is Nian Jie with air draft shell bottom wall 212 by glue.232 axis of filtration members The upward other end is held in the filter structure limit rib 2143a in air draft housing sidewall 214.

In this way, filtration members 232 are contained in air discharge structure 20 and 10 outside of wound motor shell, flowed from electric machine casing 10 Air-flow out is discharged after being filtered by filtration members 232.Specifically in one embodiment, filtration members 232 are circular HEPA (High Efficiency particulate air Filter, high efficiency particle air filter), have filter efficiency is high, flow resistance is low, The features such as capable of being used continuously long period.

Further, filter structure 23 further includes two panels dustproof sheet 234, and every dustproof sheet 234 is respectively positioned on air draft shell side Between the inside of wall 214 and the lateral wall of filtration members 232, every dustproof sheet 234 is limited in two neighboring filter structure gear muscle In limit space between 2143b, and every dustproof sheet 234 respectively with one group of exhaust outlet being opened up in air draft housing sidewall 214 2141 are correspondingly arranged.

In this way, passing through row after double filtration of the air-flow flowed out in electric machine casing 10 by filtration members 232 and dustproof sheet 234 It flows out in air port 2141.It is appreciated that the specific configuration of filter structure 23 is without being limited thereto, can be set as needed.Specifically some In embodiment, dustproof sheet 234 is the dustproof sponge of arc, for further being filtered to air-flow, to further increase stream The cleannes of the air-flow of air exhausting device 30 out.

As shown in figure 4, air draft upper cover includes the first upper cover 252 and the second upper cover 254 being detachably connected along first direction, Press-key structure 40 is limited between the first upper cover 252 and the second upper cover 254, and can be moved in a second direction with opposite air discharge structure 20 switch in first position and the second position, to be coupled to electric machine casing 10 or separate with electric machine casing 10.

Specifically, as shown in Fig. 4 and Fig. 7, the first upper cover 252 includes the first upper cap body 2521 and lid sealing element 2527.Wherein, the middle part of the first upper cap body 2521 structure substantially annular in shape, the first upper cap body 2521 forms size and master The matched connecting hole 2521a of the opening size of accommodating chamber, the edge of connecting hole 2521a is circumferentially spaced to offer multiple sealing elements Link slot 2521b.Lid sealing element 2527 is formed by silica gel elastomeric material, can produce recoverable elasticity under pressure Deformation.Lid sealing element 2527 is tied in the matched annular shape of shape of shape and the connecting hole 2521a of the first upper cap body 2521 Structure, the outer ledge of lid sealing element 2527 is circumferentially spaced to be convexly equipped with multiple sealing element limit rib 2527a.

In this way, lid sealing element 2527 circumferentially surrounds the edge of connecting hole 2521a, each sealing element limit rib 2527a Corresponding inserted is in a sealing element link slot 2521b, to keep lid sealing element 2527 and the first upper cap body 2521 removable It connects with unloading.When air exhausting device 30 is sheathed on electric machine casing 10, the inside edge of lid sealing element 2527 is held in motor casing Body 10, and a degree of elastic deformation is generated under the effect of the pressure of electric machine casing 10, to seal air exhausting device 30 and electricity Gap between casing body 10, the air-flow for avoiding electric machine casing 10 from flowing out is without the filtering of filter structure 23 but directly from row It is discharged between wind apparatus 30 and electric machine casing 10.

As shown in Fig. 4 and Fig. 6, the first upper cap body 2521 is additionally provided with cover latch on first be coupled with air draft shell 21 2523.Specifically, the interval of cover latch 2523 is set to the outer ledge of the first upper cap body 2521 on two first, on each first Cover latch 2523 extends from the first upper cap body 2521 towards 20 direction of air discharge structure, and cover latch 2523 is far from first on first One end of lid main body 2521, which is offered, connect the matched clamping groove 2523a of hook 2144 with the first of air draft shell 21.

In this way, cover latch 2523 protrudes into air draft shell 21 on first when the first upper cover 252 is installed on air draft shell 21 Main accommodating chamber in, air draft shell 21 first connection hook 2144 be fastened in clamping groove 2523a, thus realize the first upper cover 252 with the interconnection of air draft shell 21.It is appreciated that the quantity of cover latch 2523 is without being limited thereto on first, it can be as needed It is set as different number, the quantity of the first connection hook 2144 is identical as the quantity of cover latch 2523 on first.

First upper cap body 2521 is additionally provided with the first upper cover hook 2525 with the mating of the second upper cover 254.Specifically, multiple First upper cover hook 2525 is protrudingly placed on the first end face of the upper cap body 2521 far from 20 side of air discharge structure, each first upper cover card It hooks 2525 one end far from the first upper cap body 2521 and is bent towards 2521 direction of the first upper cap body and extended.In this way, the first upper cover Hook 2525 can be fastened in the second upper cover 254 so that the first upper cover 252 and the second upper cover 254 are connected with each other.

The one side edge of first upper cap body 2521 in a first direction is also provided with key slot, when the first upper cap body 2521 when being installed on air discharge structure 20, and key slot is corresponding with the key hole 2142 of air discharge structure 20, to allow part by bond Structure 40 stretches out superstructure to protrude into key hole 2142.

Please continue to refer to Fig. 4 and Fig. 6, the second upper cover 254 includes the first upper cap body 2521, and the first upper cap body 2521 is in With the matched arcuate structure of the first upper cap body 2521, the both ends of the first upper cap body 2521 are spaced setting on third direction. The both ends of second upper cap body 2541 offer a key hook slot 2541a respectively, and press-key structure 40 partially passes through key card Slot 2541a is hooked to be coupled with electric machine casing 10.

The edge of second upper cap body 2541 towards the end face of 252 side of the first upper cover is formed with mounting groove, mounting groove edge Circumferentially extending with the air draft retaining convex rib 2145 of air draft housing sidewall 214 to match.

Second upper cap body 2541 is equipped with cover latch 2543 on second, and cover latch 2543 is used for and air draft shell 21 on second Air draft retaining convex rib 2145 on second connection hook 2145a mating.Specifically, cover latch 2543 is protrudingly placed on multiple second Second upper cap body 2541 towards 2521 side of the first upper cap body of upper cover edge, and along the edge of the second upper cap body 2541 It is provided at circumferentially spaced, the second connection hook 2145a on the air draft retaining convex rib 2145 of air draft shell 21 can be fastened on second Cover latch 2543.

Second upper cap body 2541 is additionally provided with the second upper cover card with the mating of the first upper cover hook 2525 of the first upper cover 252 Hook 2545.Specifically, multiple second upper cover hooks 2545 are convexly equipped in the second upper cap body 2541 towards the side of the first upper cover 252 End face, each second upper cover hook 2545 and a first mutually clamping of upper cover hook 2525.

In this way, the second upper cover hook 2545 of the second upper cover 254 and 2525 phase of the first upper cover hook in the first upper cover 252 Mutually clamping, so that the first upper cover 252 is detachably connected with the second upper cover 254.On the second of second upper cover 254 cover latch 2543 with Second connection hook 2145a clamping of air discharge structure 20, the air draft retaining convex rib 2145 of air discharge structure 20 can be arranged on second In the mounting groove of lid 254, to realize being detachably connected for the second upper cover 254 and air discharge structure 20.

In some embodiments, a side end face of the second upper cap body 2541 towards the first upper cover 252 is also convexly equipped with second Upper cover slide guide muscle 2547, the second upper cover 254 contacts press-key structure 40 by the second upper cover slide guide muscle 2547, to reduce the second upper cover Frictional force between 254 and press-key structure 40 moves in a second direction convenient for press-key structure 40.Specifically, the second upper cover Main body 2541 is equipped at least two the second upper cover slide guide muscle 2547, and at least two the second upper cover slide guide muscle 2547 are between second direction Every setting.It is appreciated that the quantity and shape of the second upper cover slide guide muscle 2547 are unlimited, can be set as needed.

As shown in Fig. 4 and Fig. 6, press-key structure 40 is slidably mounted on air discharge structure 20, including key in a second direction Connector 41, button 43 and key hook component.

Specifically, key connector 41 is between the first upper cover 252 and the second upper cover 254, and key connector 41 is around edge The edge arc of the open end of main accommodating chamber extends, and the both ends of key connector 41 are spaced setting on third direction.Key One end of connector 41 towards the first upper cover 252 is convexly equipped with key slide guide muscle 412, and press-key structure 40 passes through key slide guide muscle 412 It contacts with the first upper cap body 2521, to reduce the frictional force between key connector 41 and the first upper cap body 2521, is convenient for Press-key structure 40 moves in a second direction.Specifically, key connector 41 is circumferentially spaced is convexly equipped with multiple key slide guide muscle 412, the shape and quantity of key slide guide muscle 412 are unlimited, can be set as needed.

In this way, a side end face of key connector 41 is contacted by key slide guide muscle 412 with the first upper cap body 2521, press Another side end face of key connection part 41 is contacted with the second upper cover slide guide muscle 2547 on the second upper cap body 2541, so as to the Smooth sliding in a second direction between one upper cover 242 and the second upper cover 254.

Button 43 is set to the side of key connector 41 in a second direction, and button 43 is from key connector 41 along first party It to the first upper cover 252 of stretching, and is protruded into the key hole 2142 of air draft shell 21 in a second direction, the bottom of button 43 is supported in On button slide guide muscle 2121 in air draft shell 21, to be slided along button slide guide muscle 2121.Button 43 protrudes into key hole 2142 The side wall of interior one end is convexly equipped with button convex ribs 432, and button convex ribs 432 are limited in the key hole 2142 of air draft housing sidewall 214, So that button 43 can only move in a second direction.

Key hook component is arranged at intervals at the side that key connector 41 is not provided with button 43 in a second direction, and along The key hook slot 2541a of the second upper cover 254 is stretched out to be coupled to electric machine casing 10 in one direction.Specifically, key hook component Including two key hooks 45, two key hooks 45 are located at key connector 41 is located remotely from each other on third direction two End, each one end of key hook 45 far from key connector 41 are bent to 43 direction of button.

In this way, key hook 45 and button 43 be located at the opposite sides in a first direction of key connector 41 and point Do not extend towards the direction that mutually deviates from, user can promoting button 43 so that press-key structure 40 is moved along first direction, and then is made Press-key structure 40 switches between the first location and the second location with respect to air discharge structure 20.When press-key structure 40 is in first position When, key hook 45 can be coupled with electric machine casing 10；When press-key structure 40 is in the second position, key hook 45 can be with motor Shell 10 separates.Since the press-key structure 40 controls all key hooks 45 simultaneously by button 43, simplify by The construction of bond structure 40 saves the quantity of the parts such as button 43.It is appreciated that the quantity of key hook 45 is without being limited thereto, it can It is set as needed as different number to meet different requirements.

Air exhausting device 30 further includes return unit 60, and the both ends of return unit 60 are respectively limited by air discharge structure 20 and press-key structure 40, return unit 60 is used to apply press-key structure 40 thrust along first direction, so that press-key structure 40 is from the second position to the One position is mobile.

Specifically, button 43 is equipped with the limit rib that cross section is in " ten " font, return unit 60 towards one end of main accommodating chamber One end be sheathed on limit rib and with limit rib be interference fitted, to avoid return unit 60 along the direction perpendicular to first direction Play.The other end of return unit 60 is then held in 60 support division of return unit in air draft shell 21, to apply court to button 43 To the thrust acted on along first direction.

Electric machine casing 10 offers electric machine casing card slot and is equipped with the electric machine casing hook positioned at electric machine casing card slot side 12.Electric machine casing hook 12 is equipped with the first inclined-plane towards one end of electric machine casing card slot, and in the installation direction of air exhausting device 30 On, the first inclined-plane is gradually reduced at a distance from the central axis of electric machine casing card slot.Key hook 45 is far from key connector 41 One end be equipped with and matched second inclined-plane in the first inclined-plane, and on the installation direction of air exhausting device 30, the second inclined-plane and button 43 distance is gradually increased.In this way, key hook 45 and 10 inclined-plane of electric machine casing cooperate, the first inclined-plane is opposite with the second inclined-plane Movement makes air exhausting device 30 be converted to press-key structure 40 in a second direction with respect to the displacement of electric machine casing 10 in a first direction Displacement, thus make key hook 45 protrude into electric machine casing card slot and mating, or abjection electric machine casing card slot to be detached from motor casing Body 10.

As shown in Figure 1, in some embodiments, dust catcher 100 further includes handle 80, handle 80 be located at air exhausting device 30 and The side of the second direction of electric machine casing 10.When user, which holds handle 80, carries out clean operation, air exhausting device 30 is located at handle Backwards to the front lower of user, therefore it is different from the upper and lower ends that air exhausting device 30 in the prior art is located at handle 80, position The air-flow that air exhausting device 30 in the front of handle 80 is discharged will not blow-through user, but be discharged into external environment from oblique upper, from And improve the usage experience of dust catcher 100.

The assembling process of said exhaust device 30 is as follows:

Firstly, filtration members 232 are put into the main accommodating chamber of air discharge structure 20 and are limited by 23 mounting assembly of filter structure Position, it is then with glue that filtration members 232 and air discharge structure 20 are fixed.

Then, the key hook 45 of press-key structure 40 is passed through into the second upper cover 254, and return unit 60 is caught in button 43 In.The first upper cover hook 2525 of the first upper cover 252 and the second upper cover hook 2545 of the second upper cover 254 are coupled again, make One upper cover 252 and the second upper cover 254 are connected with each other the air draft upper cover that composition is equipped with press-key structure 40.

Later, dustproof sheet 234 is put into main accommodating chamber and is fixed by filter structure mounting assembly, will be equipped with later The air draft upper cover of press-key structure 40 is installed on the air discharge structure 20 for being equipped with filter structure 23, it may be assumed that on the first of the first upper cover 252 Cover latch 2523 with the first of air draft shell 21 connect hook 2144 be coupled, the second upper cover 254 second on cover latch 2543 with Second connection hook 2145a mating of air draft shell 21, the air draft retaining convex rib 2145 of air draft shell 21 are arranged in the second upper cover In 254 mounting groove.

Finally, the filter structure mounting groove of filter structure 23 and air draft shell 21 is bonded with glue, to complete air draft The assembling of device 30.

The process that said exhaust device 30 is installed on electric machine casing 10 is as follows:

It is moved upwards firstly, user's one hand holds air exhausting device 30 along first direction, so that electric machine casing 10 is protruded into lid close In sealing 2527, then proceeding to move upwards along first direction protrudes into electric machine casing 10 gradually in main accommodating chamber.Key hook 45 the second inclined-plane is moved with the first contact of incline plane of electric machine casing hook 12 and along the first inclined-plane, and key hook 45 is in motor casing It moves and is gradually protruded into electric machine casing card slot in a second direction under the action of 10 hook of body.When air exhausting device 30 rises to centainly When height, press-key structure 40 is in the second position and is moved to first position in a second direction under the action of return unit 60, presses Key hook 45 is held in electric machine casing hook 12 in a first direction.At this point, lid sealing element 2527 is also tight with electric machine casing 10 Contiguity touching, so that air-flow be avoided to flow out between air draft upper cover and electric machine casing 10.

When dismantling air exhausting device 30, user can apply pressure in a second direction to button 43 make press-key structure 40 along the Two directions move and are in the second position, and key hook 45 is then detached from electric machine casing hook 12, and then user holds air exhausting device 30 move downward air exhausting device 30, and key hook 45 gradually leaves 10 card slot of electric machine casing, so that air exhausting device 30 be made to be detached from Electric machine casing 10, last press-key structure 40 are moved under the action of return unit 60 in a second direction and are resetted.

In this way, by moving air exhausting device 30 in a first direction, the installation of air exhausting device 30 can be completed, and push button 43 and the disassembly of air exhausting device 30 can be completed in the mobile air exhausting device 30 of second direction, to simplify tearing open for air exhausting device 30 Dress process brings no small convenience for the use of dust catcher 100.

Said exhaust device 30 and dust catcher 100 equipped with it, the air exhausting device 30 set on 80 front of handle is in effective mistake While the air-flow of filter discharge electric machine casing 10, it can avoid air-flow blow-through user, optimize the usage experience of dust catcher 100.And And air exhausting device 30 can realize convenient key dismounting, and the simple structure of press-key structure 40 by press-key structure 40, simplify The structure of dust catcher 100.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of air exhausting device is removably sheathed on electric machine casing (10) along first direction outside, which is characterized in that the air draft Device includes:

Air discharge structure (20), the exhaust outlet equipped with main accommodating chamber open at one end, the connection main accommodating chamber and external environment (2141) and the key hole (2142) of the connection main accommodating chamber and external environment, the central axis of the opening of the main accommodating chamber Line extends along the first direction, and the central axis of the key hole (2142) intersects with the first direction；And

Press-key structure (40) is slidably mounted on the air discharge structure along the second direction perpendicular to the first direction (20), the press-key structure (40) includes key connector (41), button (43) and key hook component, and described press is keyed Part (41) and the key hook component are arranged at intervals at the opposite end of the key connector (41) along the second direction, The key connector (41) is limited in the air discharge structure (20), and the button (43) protrudes into the key hole (2142), Key hook (452) component includes more than two key hooks (452), and each key hook (452) is along described First direction stretches out the air discharge structure (20)；

The both ends of return unit (60), the return unit (60) are respectively limited by the air discharge structure (20) and the press-key structure (40)；

Wherein, the press-key structure (40) along the second direction move with the relatively described air discharge structure (20) first position with Switch between the second position, it is from the second position that the return unit (60), which is used to apply the press-key structure (40) in direction, Towards the thrust of the first position；When the press-key structure (40) is in the first position, the key hook (452) It can be coupled with the electric machine casing (10), when the press-key structure (40) is in the second position, the key hook (452) it can be separated with the electric machine casing (10).

2. air exhausting device according to claim 1, which is characterized in that the key connector (41) is along the main accommodating chamber Edge arc in one end of opening extends, and two ends of the key connector (41) are spaced setting on third direction； The key hook component includes two key hooks (452), and two key hooks (452) are located at the key and connect Fitting (41) spaced two ends on the third direction, the button (43) are connected to the key connector (41) side far from the key hook (452) and it is located between two key hooks (452)；Wherein, the third Direction is perpendicular to the first direction and the second direction.

3. air exhausting device according to claim 1, which is characterized in that the key hook component and the button (43) point Not Wei Yu the opposite sides of the key connector (41) in said first direction, key hook (452) component is along institute It states first direction to extend to stretch out the air discharge structure (20), the button (43) is along the first direction towards away from the key The direction of hook component extends and protrudes into the key hole (2142).

4. air exhausting device according to claim 3, which is characterized in that the air discharge structure (20) includes air discharge structure (21) And air draft upper cover, the air draft upper cover are removably installed in the air discharge structure (21) one end, institute in said first direction It states main accommodating chamber, the exhaust outlet (2141) and the key hole (2142) and is set to the air discharge structure (21), it is described to press Key connection part (41) is contained in the air draft upper cover, and the button (43) stretches out the air draft upper cover and edge along the first direction The second direction protrudes into the key hole (2142), and the button buckle component passes through in the air draft along the first direction Lid.

5. air exhausting device according to claim 4, which is characterized in that the air draft upper cover includes along the first direction The first upper cover (252) being detachably connected and the second upper cover (254), the key connector (41) are supported in first upper cover (252) towards the second upper cover (254) side, first upper cover (252) offers key slot, and the button (43) passes through For the key slot to protrude into the key hole (2142), second upper cover (254) offers key hook slot (2541a), institute Key hook component is stated across the key hook slot (2541a) to be coupled with the electric machine casing (10).

6. air exhausting device according to claim 5, which is characterized in that first upper cover (252) includes the first upper cover master Body (2521) and lid sealing element (2527), first upper cap body (2521) are equipped with the connection for being connected to the main accommodating chamber Hole (2521a), the lid sealing element (2527) are removably installed in first upper cap body (2521) and around described The edge of connecting hole (2521a).

7. air exhausting device according to claim 1, which is characterized in that the air exhausting device further includes filter structure (23), The filter structure (23) is contained in the main accommodating chamber.

8. a kind of dust catcher, which is characterized in that including the air exhausting device as described in claim 1 to 7 any one, the dust catcher Further include electric machine casing (10), described electric machine casing (10) one end is protruded into the main accommodating chamber, the press-key structure (40) with Electric machine casing (10) mating or separation.

9. dust catcher according to claim 8, which is characterized in that the press-key structure (40) and the electric machine casing (10) Inclined-plane cooperation, for the displacement of the air exhausting device in said first direction to be converted to the press-key structure (40) described Displacement in second direction.

10. air exhausting device according to claim 9, which is characterized in that the dust catcher further includes handle (80), the hand Handle (80) is set to the side of the second direction of the air exhausting device.