CN205849389U - Vacuum cleaner and ducting assembly - Google Patents

Abstract

The utility model discloses a kind of vacuum cleaner and ducting assembly, described vacuum cleaner has cleaner inlets, vacuum cleaner outlet and connects described cleaner inlets and the air channel of described vacuum cleaner outlet, described vacuum cleaner includes cyclone separator and electric machine assembly, described air channel flows through described cyclone separator and described electric machine assembly, at least one of outside, described air channel is provided with buffer storage room, and described buffer storage room connects described air channel gas in making air channel and flows into and out.Vacuum cleaner according to this utility model embodiment, by outside at least one of in air channel, buffer storage room is set, described buffer storage room is made to be possible not only to buffer gas flow, also can store a certain amount of air, it is thus possible to compensation wind loss, and then the noise of reduction vacuum cleaner, reach the purpose of energy-conserving and environment-protective, improve the market competitiveness of vacuum cleaner.

Description

Vacuum cleaner and ducting assembly

Technical field

This utility model relates to household electrical appliance technical field, particularly relates to a kind of vacuum cleaner and ducting assembly.

Background technology

In correlation technique, along with the development of vacuum cleaner industry, people are more and more higher to the requirement of vacuum cleaner, to making Experience requirements in is stricter, the sound particularly produced in vacuum cleaner work process, becomes people and chooses suction One of most important condition of dirt device.But, the vacuum cleaner of correlation technique rests on traditional straight-through structure more, during use Noise is very big, and (wherein, the comfortable sound of the normal perception of human ear is 72 decibels, and the sound that conventional cleaners operationally produces is 84 decibels to 88 decibels, so referred to as noise), so that people feel uncomfortable and irritated, and then affect making of vacuum cleaner With.

Utility model content

One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this reality Being that proposing one has vacuum cleaner by a novel purpose, the lower noise of described vacuum cleaner, serviceability are preferable.

Another purpose of the present utility model is to propose a kind of ducting assembly.

According to the vacuum cleaner of this utility model embodiment, described vacuum cleaner has cleaner inlets, vacuum cleaner outlet and connects Connecing described cleaner inlets and the air channel of described vacuum cleaner outlet, described vacuum cleaner includes cyclone separator and electric machine assembly, institute Stating air channel and flow through described cyclone separator and described electric machine assembly, at least one of outside, described air channel is provided with buffer storage Room, described buffer storage room connects described air channel gas in making air channel and flows into and out.

According to the vacuum cleaner of this utility model embodiment, buffer storage is set by outside at least one of in air channel Room so that described buffer storage room is possible not only to buffer gas flow, also can store a certain amount of air such that it is able to compensates air quantity and damages Lose, and then reduce the noise of vacuum cleaner, reach the purpose of energy-conserving and environment-protective, improve the market competitiveness of vacuum cleaner.

It addition, also have the technical characteristic added as follows according to the vacuum cleaner of this utility model above-described embodiment:

According to embodiments more of the present utility model, the outside at least some of bending region in described air channel is provided with described Buffer storage room, bending region corresponding to airflow passes in described air channel enters described buffering storage up to the most a part of air-flow It is back in described air channel after depositing room.

According to embodiments more of the present utility model, described cyclone separator includes: cyclone cylinder, the bottom of described cyclone cylinder Connecting described cleaner inlets, described air channel is included in spiral upwardly extending dust and gas separation in the axial direction in described cyclone cylinder Passage；Cyclone separator end cap, described cyclone separator end cap is on described cyclone cylinder, and described air channel includes being defined in described rotation The inner side of wind separator end cap also connects the separator air-out passage of described dust and gas split tunnel, and described separator air-out passage has There is the Cyclone outlet being positioned on described cyclone separator end cap.

Further, described cyclone cylinder is obliquely installed, and described cleaner inlets connects described cyclone cylinder in the horizontal direction Lower end, the lower end of described cyclone cylinder is provided with relative with described cleaner inlets with the corner that described cleaner inlets connects First buffer storage room and connect described air channel and the first through hole of described first buffer storage room.

In embodiments more of the present utility model, described buffer storage room includes being located at outside described dust and gas split tunnel The second buffer storage room, described second buffer storage room covers at least some of of described dust and gas split tunnel, and described dirt The second through hole connecting described second buffer storage room it is formed with on the lateral wall of gas split tunnel.

In embodiments more of the present utility model, described Cyclone outlet is formed at described cyclone separator end cap Sidewall on, at least some of outside in roof that described buffer storage room includes being located at described separator air-out passage and sidewall The 3rd buffer storage room, the lateral wall of described separator air-out passage is formed and connects the of described 3rd buffer storage room Three through holes.

According to embodiments more of the present utility model, described air channel includes connecting described cyclone separator and described group of motors The interface channel of part, described interface channel is that two ends are respectively communicated with described cyclone separator and described electric machine assembly and middle part bending Shape, described buffer storage room also includes being positioned at the 4th buffer storage room outside described interface channel upper wall, and described company Connect bending region, road and be communicated with the fourth hole of described 4th buffer storage room.

Further, one end of described interface channel connect the other end of described cyclone separator and described interface channel to Lower bending connects described electric machine assembly, and described 4th buffer storage room is located at the top of described interface channel.

In embodiments more of the present utility model, the volume V of described 3rd buffer storage room is according to described interface channel Connect the first predetermined wind speed V1 of described cyclone separator one end, described interface channel connects the second of described electric machine assembly one end Distance L between predetermined wind speed V2, the bending region of described interface channel and described electric machine assembly and described 3rd buffering storage Deposit the area S that room connects with described air channel to determine, wherein, the volume V=k × S × V2 × L/ of described 3rd buffer storage room (V2-V1), k is the proportionality constant in the range of (0.5,1.5).

According to embodiments more of the present utility model, described buffer storage indoor are filled with noise reduction sound-absorbing part.

According to the ducting assembly of this utility model second aspect embodiment, including wind-guiding air channel, described wind-guiding air channel includes The first flow being sequentially connected along airflow direction and the second runner, described first flow and described second runner are predetermined angular Angle makes described wind-guiding air channel bending, the outside of the bending part in described wind-guiding air channel be provided with buffer storage room, and described wind-guiding wind The wall in road is provided with the through hole connected with described buffer storage room air-flow in making described wind-guiding air channel and flows into described buffering Storage room is then refluxed for described wind-guiding air channel.

Further, described first flow has the 3rd predetermined wind speed V3, and described second road has the 4th predetermined wind speed V4, a length of L of described second runner, and the connection area in described buffer storage room and described wind-guiding air channel is S, described buffering The volume V=k of storage room × S × V4 × L/ (V4-V3), k are the proportionality constant in the range of (0.5,1.5).

Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below In become obvious, or recognized by practice of the present utility model.

Accompanying drawing explanation

Above-mentioned and/or additional aspect of the present utility model and advantage are from combining general the accompanying drawings below description to embodiment Become obvious and easy to understand, wherein:

Fig. 1 is the profile (air-flow in wherein, the direction of arrow represents air channel of the vacuum cleaner according to this utility model embodiment The flow direction)；

Fig. 2 is a partial view of Fig. 1；

Fig. 3 is another partial view of Fig. 1；

Fig. 4 is another partial view of Fig. 1；

Fig. 5 is the schematic diagram of cyclone separator in the vacuum cleaner according to this utility model embodiment；

Fig. 6 is the partial sectional view of Fig. 5；

Fig. 7 is the schematic diagram of the ducting assembly according to this utility model embodiment.

Reference:

Vacuum cleaner 100, cleaner inlets 1, vacuum cleaner outlet 2,

Air channel 3, dust and gas split tunnel 32, the second buffer storage room 321, the second through hole 322, separator air-out passage 33, 3rd buffer storage room 331, third through-hole 332, interface channel 35, the 4th buffer storage room 351,

Cyclone separator 4, cyclone cylinder 41, the first buffer storage room 411, the first through hole 412, cyclone separator end cap 42, Cyclone outlet 421, filter 43, electric machine assembly 5,

Ducting assembly 200, wind-guiding air channel 201, first flow 202, the second runner 203, buffer storage room 204.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio Represent same or similar element to same or similar label eventually or there is the element of same or like function.Below by ginseng It is exemplary for examining the embodiment that accompanying drawing describes, it is intended to be used for explaining this utility model, and it is not intended that to this utility model Restriction.

In the vacuum cleaner of correlation technique, dirt cup structure uses the cyclone separating structure of center air intake, and dust laden air is through one After the guiding that section is the shortest, being directly entered dirt cup high efficiency separation chamber, dust and gas is rapidly separated, after filter cotton secondary filter, and gas Flow from dirt cup upper cover sidewall enter quiet ducting system i.e. plenum chamber, flow to motor, from motor air outlet to inner motor cover after warp Inner motor cover aperture noise reduction enters outsides cover of electric machinery and body to outsides cover of electric machinery spin chamber, the passage between inner motor cover and outer housing The passage formed, then after air-out sponge noise reduction, return in outside air.

But, in the vacuum cleaner of correlation technique, there is no any noise-reduction means, high speed and energy at dust working portion The air-flow concentrated impinges upon on guide duct by suction inlet rapidly so that the noise washed away is reinforced amplification, washes away produced Noise can quickly rebound, thus is spread out of by suction inlet, and then forms noise pollution.Additionally, whole air channel bend is too much, flowed energy Loss is relatively big, and the air quantity flowing through motor air inlet is also had a greatly reduced quality so that motor is in non-efficient duty, causes energy wave Take.

This utility model provides a kind of vacuum cleaner 100, and vacuum cleaner 100 includes the efficient quiet air channel structure of storage type, described The efficient quiet air channel structure of storage type can make the air-flow that speed is fast, energy is concentrated, high-octane sound wave be disperseed, buffer, even Absorb, and uniform and stable be delivered to downstream such that it is able to reduce and wash away the noise of generation；Compensate air quantity simultaneously, make motor begin It is in high efficiency duty eventually, thus reaches the purpose of energy-conserving and environment-protective.

The vacuum cleaner 100 according to this utility model embodiment is described in detail below in conjunction with Fig. 1 to Fig. 7.

Specifically, with reference to Fig. 1, according to the vacuum cleaner 100 of this utility model embodiment, vacuum cleaner 100 has vacuum cleaner Entrance 1, vacuum cleaner outlet 2 and air channel 3.Air channel 3 connects cleaner inlets 1 and vacuum cleaner outlet 2, and vacuum cleaner 100 includes whirlwind Separator 4 and electric machine assembly 5, air channel 3 flows through cyclone separator 4 and electric machine assembly 5, at least one of outside, air channel 3 (example As, away from the side at center in air channel 3 in Fig. 1) it is provided with buffer storage room, connection air channel, described buffer storage room 3, described buffering Storage room gas in making air channel 3 flows into and out.Thus, when airflow passes air channel 3, by described buffer storage room It is possible not only to buffer gas flow, also can store a certain amount of air to compensate wind loss such that it is able to reduce making an uproar of vacuum cleaner 100 Sound, reaches the purpose of energy-conserving and environment-protective, preferably meets the demand of user.

It addition, be also provided with guide duct at neighbouring described buffer storage room in vacuum cleaner 100, can by described guide duct So that the wind entered in air channel 3 is carried out certain guiding such that it is able to reduce the noise of vacuum cleaner 100 to a certain extent, more Meet well the demand of user.

Vacuum cleaner 100 according to this utility model embodiment, arranges buffering by outside at least one of in air channel 3 Storage room so that described buffer storage room is possible not only to buffer gas flow, also can store a certain amount of air such that it is able to compensate wind Amount loss, and then reduce the noise of vacuum cleaner 100, reach the purpose of energy-conserving and environment-protective, improve the market competitiveness of vacuum cleaner 100.

It addition, with reference to Fig. 1, described buffer storage room connects with air channel 3, described buffer storage room may be provided in appointing of air channel 3 Meaning position, described buffer storage room can be multiple.Thereby, it is possible to supplement air quantity in time, thus reduce noise, save the energy, And then improve the serviceability of vacuum cleaner 100.

Wherein, air-flow sucks in air channel 3 from cleaner inlets 1, flows through cyclonic separation after multiple buffer storage rooms buffer Device 4 and electric machine assembly 5, finally by vacuum cleaner outlet 2 outflow.

According to embodiments more of the present utility model, in conjunction with Fig. 1, the outside at least some of bending region in air channel 3 sets Having described buffer storage room, during bending region corresponding to airflow passes in air channel 3, at least some of air-flow enters buffering storage It is back to after depositing room in air channel 3.Thus, during airflow passes air channel 3, air-flow can be carried out certain delaying by buffer storage room Punching, also can store a certain amount of air to compensate wind loss such that it is able to reduces the noise of vacuum cleaner 100, reaches energy-saving ring The purpose protected, preferably meets the demand of user.

Here, it should be noted that buffer storage room is necessary for confined space and connects with air channel 3.Buffer storage room with The structure of air channel 3 connection can be small structure, network structure or elastomer air door structure, and this utility model is to buffer storage The position that specifically arranges of room is not construed as limiting, the arranging quantity and arrange position and can adapt to according to actual needs of buffer storage room Property adjust.

Preferably, buffer storage room is located at the bending place in air channel 3, thus so that the energy-saving and noise-reducing effect of vacuum cleaner 100 is For substantially.

According to embodiments more of the present utility model, with reference to Fig. 5 and Fig. 6, cyclone separator 4 includes: cyclone cylinder 41 and rotation Wind separator end cap 42.

Specifically, with reference to Fig. 5 and Fig. 6 and combine Fig. 1 and Fig. 4, the bottom of cyclone cylinder 41 (such as, is revolved in Fig. 5 or Fig. 6 The bottom of air duct 41) connection cleaner inlets 1, air channel 3 includes dust and gas split tunnel 32, and dust and gas split tunnel 32 is at cyclone cylinder 41 The most in the axial direction (such as, the above-below direction shown in Fig. 5 or Fig. 6) spiral upwards (such as, shown in Fig. 5 or Fig. 6 to On) extend.Cyclone separator end cap 42 is located on cyclone cylinder 41, and air channel 3 includes separator air-out passage 33, and separator air-out is led to Road 33 is defined in the inner side (such as, the side at the center of neighbouring cyclone separator end cap 42 in Fig. 6) of cyclone separator end cap 42, Separator air-out passage 33 connects dust and gas split tunnel 32, and separator air-out passage 33 has Cyclone outlet 421, whirlwind Separator outlet 421 is positioned on cyclone separator end cap 42.Thus, it is easy to dust laden air via cleaner inlets 1 again by whirlwind Cylinder 41 bottom spirally enter in dust and gas split tunnel 32, make dust laden air be separated in cyclone separator 4 air and Dusts etc., dust etc. will be separated and dish out cyclone cylinder 41, and the air after separation will be through Cyclone outlet 421 row Go out.

It addition, combine Fig. 5 and Fig. 6, between cyclone cylinder 41 and cyclone separator end cap 42, it is also provided with filter 43, Filter 43, for filtering dust laden air, discharges cyclone separator 4 passing the gas through filter 43.Filter 43 (such as, the upper end of filter 43 in Fig. 5 or Fig. 6) connects with Cyclone outlet 421 in upper end, and the upper end seal of filter 43 Close the week edge of Cyclone outlet 421 so that dust laden air is difficult to, directly by Cyclone outlet 421, only pass through Air after filter 43 filters is prone to discharge cyclone separator 4, the lower end of filter 43 via Cyclone outlet 421 (such as, the lower end of filter 43 in Fig. 5 or Fig. 6) is stretched in cyclone cylinder 41.

Further, with reference to Fig. 5 and Fig. 6 and combine Fig. 1 and Fig. 2, cyclone cylinder 41 is obliquely installed (in conjunction with Fig. 1), and dust suction Device entrance 1 connects the lower end (such as, the lower end of cyclone cylinder 41 in Fig. 5 or Fig. 6) of cyclone cylinder 41 in the horizontal direction, cyclone cylinder 41 The corner that lower end connects with cleaner inlets 1 is provided with the first buffer storage room 411 and the first through hole 412 (in conjunction with Fig. 2), the One buffer storage room 411 is relative with cleaner inlets 1, and the first through hole 412 connects air channel 3 and the first buffer storage room 411.By This, when air-flow sucks through cleaner inlets 1, a certain amount of air can flow in the first buffer storage room 411, through the first buffering Further flow in dust and gas split tunnel 32 from the first through hole 412 after storage room 411 buffering, so can reduce gas in air channel 3 The impact of stream also reduces energy loss, thus reduces noise, the purpose of energy-conserving and environment-protective.

In embodiments more of the present utility model, with reference to Fig. 1 and Fig. 6, buffer storage room includes the second buffer storage room 321, the second buffer storage room 321 is located at outside dust and gas split tunnel 32 (such as, away from dust and gas split tunnel 32 center in Fig. 6 Side), the second buffer storage room 321 covers outside at least some of of dust and gas split tunnel 32, and dust and gas split tunnel 32 Being formed with the second through hole 322 on sidewall, the second through hole 322 connects the second buffer storage room 321.Thus, airflow passes dust and gas is divided When passage 32, partial air carries out buffer-stored in entering the second buffer storage room 321, the most again via the second through hole 322 flow out, and air-flow further flows into separator air-out passage 33, so can reduce the impact of air-flow in air channel 3 and reduce Energy loss, thus reduce noise, the purpose of energy-conserving and environment-protective.

In embodiments more of the present utility model, in conjunction with Fig. 1 and Fig. 3 and with reference to Fig. 6, Cyclone outlet 421 shape Becoming on the sidewall of cyclone separator end cap 42, buffer storage room includes being located in roof and the sidewall of separator air-out passage 33 The 3rd buffer storage room 331 (with reference to Fig. 3) at least some of outside, the lateral wall of separator air-out passage 33 is formed the Three through holes 332, third through-hole 332 connects the 3rd buffer storage room 331.Thus, during airflow passes separator air-out passage 33, portion Divide air to carry out buffer-stored in entering the 3rd buffer storage room 331, flow out via third through-hole 332 the most again, such energy Enough reduce the impact of air-flow and reduce energy loss, thus reducing noise, the purpose of energy-conserving and environment-protective.

Such as, in the example of Fig. 1 and Fig. 3, buffer storage room includes roof and the side being located at separator air-out passage 33 The 3rd buffer storage room 331 at least some of outside of wall.Certainly, in other embodiments of the present utility model, buffer storage Room can also only include the 3rd buffer storage room 331 being located at least some of outside of sidewall of separator air-out passage 33.Also It can be buffer storage room the 3rd buffer storage that only includes being located at least some of outside of roof of separator air-out passage 33 Room 331.Specifically arrange position and the set-up mode of the 3rd buffer storage room 331 can accommodation according to actual needs.

According to embodiments more of the present utility model, with reference to Fig. 4 and combine Fig. 1, air channel 3 includes interface channel 35, connects Passage 35 connects cyclone separator 4 and electric machine assembly 5, and interface channel 35 is respectively communicated with cyclone separator 4 and group of motors in two ends Part 5 and the shape of middle part bending, buffer storage room also includes being positioned at the 4th buffer storage room outside interface channel 35 upper wall 351, and interface channel 35 bending region is communicated with the fourth hole (not shown) of the 4th buffer storage room 351.Thus, air-flow When flowing through interface channel 35, partial air carries out buffer-stored in entering the 4th buffer storage room 351, the most again via described Fourth hole flows back to air channel 3, so can reduce the impact of air-flow in air channel 3 and reduce energy loss, thus reducing and make an uproar Sound, the purpose of energy-conserving and environment-protective.

Such as, in the example of fig. 1, one end (such as, the right-hand member of interface channel 35 in Fig. 1) connection rotation of interface channel 35 Wind separator 4, the other end (such as, the left end of interface channel 35 in Fig. 1) the connection electric machine assembly 5 of interface channel 35, connect logical Road 35 is in the shape of middle part bending.Preferably, the 4th buffer storage room 351 is located at the bending part of interface channel 35.Thus so that The energy-saving and noise-reducing effect of vacuum cleaner 100 is the most obvious.

Further, with reference to Fig. 4 and combine Fig. 1, one end of interface channel 35 connects cyclone separator 4 and interface channel 35 The other end downwards bend connection electric machine assembly 5, the 4th buffer storage room 351 is located at the top of interface channel 35.Such as, at figure In the example of 1, the 4th buffer storage room 351 is located at the top of the bending place of interface channel 35, thus, when airflow passes connects logical During road 35, partial air carries out buffer-stored in entering the 4th buffer storage room 351, the most again via described fourth hole stream In air-return duct 3, so can reduce the impact of air-flow in air channel 3 and reduce energy loss, thus preferably reducing noise, The purpose of energy-conserving and environment-protective.

In embodiments more of the present utility model, can be according to even with reference to Fig. 1, the volume V of the 3rd buffer storage room 331 Road 35 connects the first predetermined wind speed V1 of cyclone separator 4 one end, interface channel 35 connects the second of electric machine assembly 5 one end in connection Distance L between predetermined wind speed V2, the bending region of interface channel 35 and electric machine assembly 5 and the 3rd buffer storage room 331 with Air channel connection area S determine, wherein, the volume V=k of the 3rd buffer storage room 331 × S × V2 × L/ (V2-V1), k be (0.5,1.5) proportionality constant in the range of.Thus, by the described first predetermined wind speed V1 in interface channel 35, described second Distance L between predetermined wind speed V2, the bending region of interface channel 35 and electric machine assembly 5 and the 3rd buffer storage room 331 with The area S of air channel connection can go out the volume V of the 3rd buffer storage room 331 with approximate calculation such that it is able to substantially determines that the 3rd delays The air quantity stored in rushing storage room 331.

According to specific embodiments more of the present utility model, buffer storage indoor are filled with noise reduction sound-absorbing part.Wherein, described Noise reduction sound-absorbing part can be sound absorbing cotton or abatvoix etc..By arranging multilamellar multiple noise reduction sound-absorbing part in buffer storage indoor, make The air-flow that must be again introduced into air channel 3 becomes more mild uniform.It addition, after the air of buffer storage indoor storage also can be with buffering Air-flow enter air channel 3, be used for making up the flow loss in air channel 3 after turning, to ensure the consistent of flow before and after the inner curve of air channel 3 Property, make motor be in efficient operation state all the time.

According to the ducting assembly 200 of this utility model second aspect embodiment, with reference to Fig. 7 and combine Fig. 1, including wind-guiding wind Road 201, wind-guiding air channel 201 includes first flow 202 and the second runner 203, and first flow 202 and the second runner 203 are along air-flow Direction is sequentially connected, and first flow 202 and second runner 203 angle in predetermined angular make wind-guiding air channel 201 bending, wind-guiding wind (such as, away from the side at center in wind-guiding air channel 201 in Fig. 7) is provided with buffer storage room 204 for the outside of the bending part in road 201, And the wall in wind-guiding air channel 201 is provided with the through hole (not shown) connected with buffer storage room 204, described through hole is used for making wind-guiding wind Air-flow in road 201 flows into buffer storage room 204 and is then refluxed for wind-guiding air channel 201.Thus, can by buffer storage room 204 To carry out certain buffering and storage to via the air-flow of wind-guiding air channel 201 bending part such that it is able to reduce in wind-guiding air channel 201 The impact of bending part air-flow also reduces energy loss, and then reduce noise, the purpose of energy-conserving and environment-protective.

Preferably, buffer storage room 204 is located at the bending part in wind-guiding air channel 201, thus so that energy-saving and noise-reducing effect is more For substantially.

Further, in conjunction with Fig. 7, first flow 202 has the 3rd predetermined wind speed V3, and it is pre-that the second runner 203 has the 4th Subduing the wind syndrome speed V4, a length of L of the second runner 203, and buffer storage room 204 are S with the connection area in wind-guiding air channel 201, buffering The volume V=k of storage room 204 × S × V4 × L/ (V4-V3), k are the proportionality constant in the range of (0.5,1.5).Thus, logical Cross the described 3rd predetermined wind speed V3 in wind-guiding air channel 201, described 4th predetermined wind speed V4, the bending region in wind-guiding air channel 201 The area S connected with wind-guiding air channel 201 with distance L between electric machine assembly 5 and buffer storage room 204 can go out with approximate calculation The volume V of buffer storage room 204 such that it is able to the air quantity stored in substantially determining buffer storage room 204.

Ducting assembly 200 according to this utility model embodiment, can make speed is fast, energy is concentrated air-flow, high-octane Sound wave is disperseed, is buffered, is even absorbed, and uniform and stable be delivered to downstream such that it is able to reduce and wash away the noise of generation；With Time compensate air quantity, make motor be in high efficiency duty all the time, thus reach the purpose of energy-conserving and environment-protective.

It addition, the ducting assembly 200 that this utility model provides can well solve correlation technique is washed away produced by make an uproar Sound, carrys out buffer gas flow by arranging buffer storage room 204, meanwhile, according to the relation in aperture Yu wave length of sound, uses different size Aperture and quieter material absorb the sound wave of different frequency, absorb while buffer gas flow and wash away sound wave so that wash away Noise is greatly diminished；On the other hand, compensate air quantity by arranging the buffer storage room of different spaces size, make motor all the time It is in high efficiency duty, reaches the purpose of energy-conserving and environment-protective.

Operationally, when concentrating on φ 13mm～φ 23mm, its work efficiency is the highest, flow the most now for motor of dust collector Scope 10L/S～20L/S, when the air channel of motor front end bending does not occurs, can meet this traffic requirement；But, in reality Structure design in, it is impossible to the appearance avoided bending, particularly in cyclone separator 4, therefore cannot avoid the occurrence of air-flow curved Energy loss in the air channel 3 of folding, makes motor be in non-efficient duty.This utility model is intended to provide a kind of method to solve The certainly problem of above-mentioned energy loss: i.e. bending place (bending place effect is best, it is possible to any place in air channel 3) sets in air channel 3 Put buffer storage room, make buffer storage room store a certain amount of air in advance, compensate the flow caused because of bend loss not Foot.

The space size calculating buffer storage room that we can approximate by experimental data, it is assumed that surveyed by experiment , air-flow speed before not turning round is V1, and after turning round, speed is V2, and now distance motor air inlet distance is L, buffer storage room Discharge area be S, then buffer storage building volume V ≈ S × V2 × L/ (V2-V1).When air channel, motor air inlet front end has multiple When turning round, buffer storage room can be increased by similar method, compensate the air quantity of loss, make motor remain efficiently fortune Turn.On the other hand, at sound-absorbing materials such as the buffer storage indoor increase silencing cottons arranged, can effectively alleviate and wash away noise, real The most quiet purpose.Especially in the complete machine air channel 3 of vacuum cleaner 100, divide including the air inlet bottom cyclone cylinder 41, dust and gas In passage 32, in separator air-out passage 33, in Cyclone outlet 421 and interface channel 35.

Describe in the air channel 3 according to vacuum cleaner 100 of the present utility model below in conjunction with Fig. 1 to Fig. 7 and buffer storage room is set Several embodiments.

Embodiment one:

With reference to Fig. 2 and combine Fig. 1, when at a high speed and the air-flow concentrated of energy is impinged upon by vacuum cleaner import 1 rapidly and leads Time on airduct, because striking face is arranged to connect with the first buffer storage room 411, delay so most air-flow is imported into first Rush in storage room 411, thus avoid and wash away noise, in the first buffer storage room 411, be provided with multilamellar multiple noise reduction sound-absorbing simultaneously Material, so the air-flow being again introduced into air channel 3 becomes mild uniform；On the other hand, store in the first space, buffer storage room 411 Air also can enter in air channel 3 with the air-flow after buffering, make up the flow in air channel 3 after turning, to flow before and after ensureing bend That measures is consistent, makes motor be in efficient operation state all the time.It addition, the first buffer storage room 411 be necessary for confined space and with Air channel 3 connects；The structure that first buffer storage room 411 connects with air channel 3 can be aperture, netted or elastomer air door；First The position that arranges of buffer storage room 411 is not especially limited, but bending place effect is the most obvious.

Embodiment two:

With reference to Fig. 6 and combine Fig. 1, the structure relying on cyclonic principle to separate dust all cannot be avoided changing airflow direction, So can inevitably cause flowed energy to reduce, therefore, dust and gas split tunnel 32 and separator air-out passage 33 are being entered Before the second buffer storage room 321 be set lay in throughput in advance, supplement loss when air channel 3 bends in time.Particularly at gas When flow path direction changes close to 90 °, it is maximum on the impact in air channel 3, is also the optimum bit needing to arrange the second buffer storage room 321 Put.

Embodiment three:

With reference to Fig. 3, Fig. 6 and combine Fig. 1, when air-flow filters stream through dust and gas split tunnel 32 and separator air-out passage 33 When going out cyclone separator 4, it is impossible to that avoids is redirected again, i.e. occur turning round, be now 90 ° of changes due to direction, its Washing away greatly cyclone separator end cap 42, the noise simultaneously produced is the most particularly evident, arranges the 3rd buffer storage room 331 more For important.

Embodiment four:

With reference to Fig. 4 and combine Fig. 1, enter electric machine assembly 5 when air-flow is flowed through interface channel 35 by Cyclone outlet 421 Time, motor air inlet front end often has one section of needs guide duct to connect, and its space is limited by structure, can unavoidable change Obtain narrow and bend, therefore, the 4th buffer storage room 351 is set in bending place and can supplement flow directly to motor, absorb simultaneously Electric motor with vane wheel high frequency noise, thus avoid the high frequency noise of motor to ambient radiation, play the purpose of good noise-reduction.

The work process of the vacuum cleaner 100 according to this utility model embodiment is described in detail below in conjunction with Fig. 1 to Fig. 7.

Specifically, air-flow flows in air channel 3 via cleaner inlets 1, carries out air-flow by the first buffer storage room 411 Buffer-stored, flow back in air channel 3 via the first through hole 412；Air-flow again flows into cyclone separator 4, first flows into dust and gas and divides From passage 32, carry out the buffer-stored of air-flow via the second buffer storage room 321, flow back in air channel 3 via the second through hole 322； Air-flow again flows into separator air-out passage 33, carries out the buffer-stored of air-flow via the 3rd buffer storage room 331, via the 3rd Through hole 332 flows back in air channel 3；Air-flow again flows into interface channel 35, carries out the buffering of air-flow via the 4th buffer storage room 351 Storage, flows back in air channel 3 via described fourth hole, after electric machine assembly 5, finally by vacuum cleaner outlet 2 outflow.

Wherein, multilamellar multiple noise reduction sound-absorbing material it is provided with in buffer storage indoor so that be again introduced into the air-flow in air channel 3 Become mild uniform；On the other hand, the air of buffer storage indoor storage also can enter air channel 3 with the air-flow after buffering, is used for Make up the flow loss in air channel 3 after turning, to ensure the consistent of flow before and after bend, make electric machine assembly 5 be in all the time efficiently Duty.It addition, buffer storage room is necessary for confined space, and connect with air channel 3；Described buffer storage room is with air channel 3 even Logical structure can be small structure, network structure or elastomer air door structure；Buffer storage room arranges position and is not construed as limiting, but Bending place effect is the most obvious.So far the work process of vacuum cleaner 100 according to this utility model embodiment is completed.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or feature It is contained at least one embodiment of the present utility model or example.In this manual, the schematic representation to above-mentioned term Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be Any one or multiple embodiment or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area The feature of the different embodiments described in this specification or example and different embodiment or example can be carried out by technical staff In conjunction with and combination.

Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as that those of ordinary skill in the art is in scope of the present utility model to restriction of the present utility model In above-described embodiment can be changed, revise, replace and modification.

Claims (12)

1. a vacuum cleaner, described vacuum cleaner has cleaner inlets, vacuum cleaner outlet and connects described cleaner inlets and institute Stating the air channel of vacuum cleaner outlet, described vacuum cleaner includes that cyclone separator and electric machine assembly, described air channel flow through described whirlwind and divide From device and described electric machine assembly, it is characterised in that at least one of outside, described air channel is provided with buffer storage room, described buffering Storage room connects described air channel gas in making air channel and flows into and out.

Vacuum cleaner the most according to claim 1, it is characterised in that at least some of outside bending region in described air channel Being provided with described buffer storage room, bending region corresponding to airflow passes in described air channel enters institute up to the most a part of air-flow It is back in described air channel after stating buffer storage room.

Vacuum cleaner the most according to claim 1, it is characterised in that described cyclone separator includes:

Cyclone cylinder, the bottom of described cyclone cylinder connects described cleaner inlets, and it is interior along axle that described air channel is included in described cyclone cylinder Line direction spiral upwardly extending dust and gas split tunnel；

Cyclone separator end cap, described cyclone separator end cap is on described cyclone cylinder, and described air channel includes being defined in described rotation The inner side of wind separator end cap also connects the separator air-out passage of described dust and gas split tunnel, and described separator air-out passage has There is the Cyclone outlet being positioned on described cyclone separator end cap.

Vacuum cleaner the most according to claim 3, it is characterised in that described cyclone cylinder is obliquely installed, and described vacuum cleaner enters Opening's edge horizontal direction connects the lower end of described cyclone cylinder, the corner that the lower end of described cyclone cylinder connects with described cleaner inlets It is provided with the first buffer storage room relative with described cleaner inlets and connects described air channel and described first buffer storage room The first through hole.

Vacuum cleaner the most according to claim 3, it is characterised in that described buffer storage room includes that being located at described dust and gas separates The second buffer storage room outside passage, described second buffer storage room covers at least some of of described dust and gas split tunnel, And it is formed with, on the lateral wall of described dust and gas split tunnel, the second through hole connecting described second buffer storage room.

Vacuum cleaner the most according to claim 3, it is characterised in that described Cyclone outlet is formed at described whirlwind and divides On the sidewall of device end cap, in roof that described buffer storage room includes being located at described separator air-out passage and sidewall at least one 3rd buffer storage room of portion outboard, the lateral wall of described separator air-out passage is formed the described 3rd buffering storage of connection Deposit the third through-hole of room.

Vacuum cleaner the most according to claim 1, it is characterised in that described air channel includes connecting described cyclone separator and institute State the interface channel of electric machine assembly, described interface channel be two ends be respectively communicated with described cyclone separator and described electric machine assembly and The shape of middle part bending, described buffer storage room also includes being positioned at the 4th buffer storage room outside described interface channel upper wall, And described interface channel bending region is communicated with the fourth hole of described 4th buffer storage room.

Vacuum cleaner the most according to claim 7, it is characterised in that one end of described interface channel connects described cyclonic separation Device and the other end bend downwards the described electric machine assembly of connection, and described 4th buffer storage room is located at the top of described interface channel.

Vacuum cleaner the most according to claim 6, it is characterised in that the volume V of described 3rd buffer storage room is according to described Interface channel connects the first predetermined wind speed V1 of described cyclone separator one end, described interface channel connects described electric machine assembly one Second predetermined wind speed V2 of end, distance L between the bending region of described interface channel and described electric machine assembly and described the The area S that three buffer storage rooms connect with described air channel determines, wherein, and the volume V=k × S of described 3rd buffer storage room × V2 × L/ (V2-V1), k are the proportionality constant in the range of (0.5,1.5).

10. according to the vacuum cleaner according to any one of claim 1-9, it is characterised in that described buffer storage indoor are filled with Noise reduction sound-absorbing part.

11. 1 kinds of ducting assemblies, it is characterised in that include that wind-guiding air channel, described wind-guiding air channel include along airflow direction successively phase First flow even and the second runner, described first flow and described second runner are that the angle of predetermined angular makes described wind-guiding wind Road bending, the outside of the bending part in described wind-guiding air channel is provided with buffer storage room, and the wall in described wind-guiding air channel is provided with and institute State the through hole air-flow in making described wind-guiding air channel of buffer storage room connection flow into described buffer storage room be then refluxed for Described wind-guiding air channel.

12. ducting assemblies according to claim 11, it is characterised in that described first flow has the 3rd predetermined wind speed V3, described second road has the 4th predetermined wind speed V4, an a length of L of described second runner, and described buffer storage room and institute The connection area stating wind-guiding air channel is S, the volume V=k of described buffer storage room × S × V4 × L/ (V4-V3), k be (0.5, 1.5) proportionality constant in the range of.