CN205383093U - Air extractor and dust catcher - Google Patents
Air extractor and dust catcher Download PDFInfo
- Publication number
- CN205383093U CN205383093U CN201620045275.1U CN201620045275U CN205383093U CN 205383093 U CN205383093 U CN 205383093U CN 201620045275 U CN201620045275 U CN 201620045275U CN 205383093 U CN205383093 U CN 205383093U
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- China
- Prior art keywords
- air
- motor
- fixed mount
- housing
- air inlet
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Abstract
The utility model provides an air extractor, include: casing, front end housing, rear end cap and motor, the casing is tubular structure, and the casing has first open end and second open end, has first ventilation hole on the lateral wall of casing, the front end housing assembly has first air intake at the first open end of casing on the front end housing, the rear end cap assembly is at the second open end of casing, the motor assembly is in the casing, and the one end of motor is connected with centrifugal wind wheel, and centrifugal wind wheel's tip is just to the first air intake on the front end housing, wherein, be provided with second ventilation hole on the rear end cap. The utility model also provides a dust catcher has this air extractor. The utility model discloses an air extractor is through setting up second ventilation hole on the rear end cap, the lateral wall that makes the air current not only can follow the casing flows out, also can follow the rear end cap and flow out, and its wind path is more smooth and easy, has reduced the windage of air current, has reduced the vibration and the noise of air extractor, and then has improved the quality of product and used and experience.
Description
Technical field
This utility model relates to cleaner field, more specifically, relates to a kind of air exhauster and has its vacuum cleaner.
Background technology
Existing air exhauster is all bleed by being connected to the wind wheel of motor one end, air-flow is last to flow out from the air outlet the sidewall of casing again, wind path owing to being formed between casing with motor is vertical with the direction of the air outlet on the sidewall of casing, cause air-flow from the sidewall of casing air outlet flow out time windage excessive, time air exhauster noise and vibration all relatively larger, have impact on user's experience to product.
It is therefore proposed that a kind of air exhauster reducing noise and vibration just seems very necessary.
Utility model content
This utility model is intended at least solve one of technical problem of existence in prior art.
For this, the purpose of this utility model is in that, it is provided that a kind of air exhauster.
Another purpose of the present utility model is in that, it is provided that a kind of vacuum cleaner, has above air exhauster.
For achieving the above object, air exhauster of the present utility model includes: housing, and described housing is tubular construction, and described housing has the first opening and the second opening, and the lateral wall of described housing has the first air vent；Drive end bearing bracket, described drive end bearing bracket is assemblied in the first opening of described housing, and described drive end bearing bracket has the first air inlet；Rear end cap, described rear end cap is assemblied in the second opening of described housing；Motor, described motor is assemblied in described housing, and one end of described motor is connected to centrifugal wind wheel, and the end of described centrifugal wind wheel is just to described first air inlet on described drive end bearing bracket；Wherein, described rear end cap is provided with the second air vent.
Air exhauster according to embodiment of the present utility model, driven by motor centrifugal wind wheel rotates, centrifugal wind wheel is bled from its end, air-flow passes through the air channel formed between motor and the inner side of housing from the sidewall of centrifugal wind wheel after flowing out, finally flow out from the first air vent housing and the second air vent on rear end cap, second air vent increases the total cross section of the outlet of air-flow, and the second air vent on rear end cap is just to the air channel formed between motor and housing, high velocity air from the second air vent flow through time air-flow without break-in, make air-flow more smooth and easy, reduce windage, and then reduce noise and the vibration of air exhauster, improve the quality of product and the satisfaction of user.
It addition, the air exhauster according to the offer of this utility model above-described embodiment also has following additional technical feature:
In technique scheme, it is preferred that the inner side of described housing is provided with fixed mount, described motor and described centrifugal wind wheel and is assemblied between described fixed mount and described drive end bearing bracket.
Air exhauster according to embodiment of the present utility model, the inner side of housing is provided with fixed mount, centrifugal wind wheel and motor are assemblied between fixed mount and drive end bearing bracket, fixed mount not only between available buffer motor and housing vibration transmission, and make formation air channel between motor and housing, be conducive to the cooling of motor and the unimpeded of air-flow.
In any of the above-described technical scheme, it is preferred that described fixed mount is barrel shaped structure, one end of described fixed mount is opening, the other end is cecum, and the opening of described fixed mount is towards the first opening of described housing, and the edge of the opening of described fixed mount is connected with the medial wall of described housing.
Air exhauster according to embodiment of the present utility model, fixed mount is one end be the opening other end is the barrel shaped structure of cecum, the edge of its opening is connected with the medial wall of housing, be conducive to the vibration of motor is cushioned, the end of motor can be carried out axial spacing by its cecum, the end making motor keeps separating with rear end cap, reduces the vibration on rear end cap.
In any of the above-described technical scheme, it is preferred that being provided with third venting hole on the sidewall of described fixed mount, described third venting hole connects with described first air vent and described second air vent.
Air exhauster according to embodiment of the present utility model, the sidewall of fixed mount is provided with third venting hole, third venting hole connects with the first air vent and the second air vent, the air channel formed between housing and motor is made to keep through, also reduce the rigidity of the sidewall of fixed mount simultaneously, improve the fixed mount buffer capacity to the vibration of motor.
In any of the above-described technical scheme, it is preferred that described centrifugal wind wheel includes: impeller, described impeller is connected with the main shaft of described motor；Wheel cover, described wheel cover is enclosed within the outside of described impeller, and the end of described wheel cover is provided with the second air inlet, and described second air inlet connects with described first air inlet, and described wheel cover is provided with the 4th air vent, and described 4th air vent connects with described third venting hole.
Air exhauster according to embodiment of the present utility model, air is flowed into by the first air inlet, centrifugal wind wheel by the second air inlet on wheel cover from the first air inlet suction air, the air-flow of air flows out from the 4th air vent wheel cover, third venting hole through fixed mount during from the air-flow of the 4th air vent outflow through the air channel formed motor and housing, finally will flow out from the first air vent on housing and the second air vent on rear end cap.
In any of the above-described technical scheme, it is preferred that described motor and described wheel cover keep separating with described housing respectively, and described motor is resisted against on described fixed mount, and described wheel cover is resisted against on described drive end bearing bracket.
Air exhauster according to embodiment of the present utility model, motor is resisted against on fixed mount, wheel cover is resisted against on drive end bearing bracket, only drive end bearing bracket and fixed mount and wheel cover and motor keep spacing relation, motor keeps unsettled with wheel cover relative to housing, make on motor and wheel cover and between housing, form annular space not only as air channel, silencing cavity to be alternatively arranged as and reduce noise.
In any of the above-described technical scheme, it is preferred that the end of described motor is resisted against the cecum of described fixed mount.
Air exhauster according to embodiment of the present utility model, the end of motor is resisted against the cecum of fixed mount, motor is carried out axial limiting by the cecum making fixed mount, and rear end cap keeps separating with motor, and size and number and the distribution of the second air vent on rear end cap will not be affected.
In any of the above-described technical scheme, it is preferred that be provided with cushion pad between the cecum of described motor and described fixed mount.
Air exhauster according to embodiment of the present utility model, cushion pad it is provided with between motor and the cecum of fixed mount, cushion pad can eliminate the fit clearance between motor and fixed mount, improve the compactness coordinated between motor and fixed mount, the axial vibration of motor is cushioned simultaneously, make will not produce between motor and fixed mount noise.
In any of the above-described technical scheme, it is preferred that the edge of the second air inlet of described wheel cover is resisted against the edge of the inner side of the first air inlet of described drive end bearing bracket, is provided with sealing ring between described first air inlet and described second air inlet.
Air exhauster according to embodiment of the present utility model, the edge of the second air inlet of wheel cover is resisted against the edge of the inner side of the first air inlet of drive end bearing bracket, the second air inlet and the first air inlet is made directly to connect, ensure that wind-force will not be decayed, it is provided with sealing ring between first air inlet and the second air inlet, improve the tightness of connection between the first air inlet and the second air inlet, it is additionally operable to cushion between wheel cover and drive end bearing bracket, make to produce because of vibration between wheel cover and drive end bearing bracket noise, improve the quality of product.
A kind of vacuum cleaner according to this utility model second aspect embodiment, has the air exhauster described in any of the above item embodiment.
According to the vacuum cleaner that this utility model second aspect embodiment provides, having the air exhauster that this utility model first aspect any embodiment provides, therefore this vacuum cleaner has whole beneficial effects of the air exhauster that any of the above-described embodiment provides.
To provide in description below part according to additional aspect of the present utility model and advantage, part will become apparent from the description below, or is 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 conjunction with will be apparent from easy to understand the accompanying drawings below description to embodiment, wherein:
Fig. 1 is the complete section structural representation of air exhauster of the present utility model；
Fig. 2 is the external structure schematic diagram of the air exhauster of Fig. 1.
Wherein, the corresponding relation between accompanying drawing labelling and the component names in Fig. 1 and Fig. 2 is:
1 housing, 101 first air vents, 110 fixed mounts, 111 third venting holes, 2 drive end bearing brackets, 201 first air inlets, 3 rear end caps, 301 second air vents, 4 motors, 5 centrifugal wind wheels, 510 wheel covers, 511 second air inlets, 6 cushion pads, 7 sealing rings.
Detailed description of the invention
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, this utility model is further described in detail.It should be noted that when not conflicting, embodiments herein and the feature in embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding this utility model; but; this utility model can also adopt other to be different from mode described here to implement, and therefore, protection domain of the present utility model is by the restriction of following public specific embodiment.
As depicted in figs. 1 and 2, a kind of air exhauster is provided according to this utility model first aspect embodiment, including: housing 1, described housing 1 is tubular construction, described housing 1 has the first opening and the second opening, and the lateral wall of described housing 1 has the first air vent 101；Drive end bearing bracket 2, described drive end bearing bracket 2 is assemblied in the first opening of described housing 1, and described drive end bearing bracket 2 has the first air inlet 201；Rear end cap 3, described rear end cap 3 is assemblied in the second opening of described housing 1；Motor 4, described motor 4 is assemblied in described housing 1, and one end of described motor 4 is connected to centrifugal wind wheel 5, and the end of described centrifugal wind wheel 5 is just to described first air inlet 201 on described drive end bearing bracket 2；Wherein, described rear end cap 3 is provided with the second air vent 301.
Air exhauster according to embodiment of the present utility model, motor 4 drives centrifugal wind wheel 5 to rotate, centrifugal wind wheel 5 is bled from its end, air-flow passes through the air channel formed between motor 4 and the inner side of housing 1 from the sidewall of centrifugal wind wheel 5 after flowing out, finally flow out from the first air vent 101 housing 1 and the second air vent 301 on rear end cap 3, second air vent 301 increases the total cross section of the outlet of air-flow, and the second air vent 301 on rear end cap 3 is just to the air channel formed between motor 4 and housing 1, high velocity air from the second air vent 301 flow through time air-flow without break-in, make air-flow more smooth and easy, reduce windage, and then reduce noise and the vibration of air exhauster, improve the quality of product and the satisfaction of user.
Concrete, the quantity of the second air vent 301 is multiple, is evenly distributed on the surface of rear end cap 3.
It addition, the air exhauster according to the offer of this utility model above-described embodiment also has following additional technical feature:
As it is shown in figure 1, in an embodiment of the present utility model, the inner side of described housing 1 is provided with fixed mount 110, and described motor 4 and described centrifugal wind wheel 5 are assemblied between described fixed mount 110 and described drive end bearing bracket 2.
In this embodiment, the inner side of housing 1 is provided with fixed mount 110, centrifugal wind wheel 5 and motor 4 are assemblied between fixed mount 110 and drive end bearing bracket 2, fixed mount 110 not only between available buffer motor 4 and housing 1 vibration transmission, and make formation air channel between motor 4 and housing 1, be conducive to the cooling of motor 4 and the unimpeded of air-flow.
In an embodiment of the present utility model, described fixed mount 110 is barrel shaped structure, one end of described fixed mount 110 is opening, the other end is cecum, the opening of described fixed mount 110 is towards the first opening of described housing 1, and the edge of the opening of described fixed mount 110 is connected with the medial wall of described housing 1.
In this embodiment, fixed mount 110 is the opening other end for one end is the barrel shaped structure of cecum, the edge of its opening is connected with the medial wall of housing 1, be conducive to the vibration of motor 4 is cushioned, the end of motor 4 can be carried out axial spacing by its cecum, the end making motor 4 keeps separating with rear end cap 3, reduces the vibration on rear end cap 3.
Concrete, fixed mount 110 and housing 1 are integral type structure, and the junction of the medial wall of the edge of the opening of fixed mount 110 and housing 1 is closer to the junction of drive end bearing bracket 2 with housing 1.
In an embodiment of the present utility model, the sidewall of described fixed mount 110 being provided with third venting hole 111, described third venting hole 111 connects with described first air vent 101 and described second air vent 301.
In this embodiment, the sidewall of fixed mount 110 is provided with third venting hole 111, third venting hole 111 connects with the first air vent 101 and the second air vent 301, the air channel formed between housing 1 and motor 4 is made to keep through, also reduce the rigidity of the sidewall of fixed mount 110 simultaneously, improve the fixed mount 110 buffer capacity to the vibration of motor 4.
Concrete, the quantity in third venting hole 111 is multiple, is uniformly and symmetrically distributed on the sidewall of fixed mount 110, makes the sidewall of fixed mount 110 form engraved structure, while making fixed mount 110 keep some strength, reduce the fixed mount 110 impact on the air-flow in air channel substantially.
In an embodiment of the present utility model, described centrifugal wind wheel 5 includes: impeller, and described impeller is connected with the main shaft of described motor 4；Wheel cover 510, described wheel cover 510 is enclosed within the outside of described impeller, the end of described wheel cover 510 is provided with the second air inlet 511, described second air inlet 511 connects with described first air inlet 201, being provided with the 4th air vent on described wheel cover 510, described 4th air vent connects with described third venting hole 111.
In this embodiment, air is flowed into by the first air inlet 201, centrifugal wind wheel 5 by the second air inlet 511 on wheel cover 510 from the first air inlet 201 suction air, the air-flow of air flows out from the 4th air vent wheel cover 510, during from the air-flow of the 4th air vent outflow through the air channel formed motor 4 and housing 1, the third venting hole 111 through fixed mount 110, finally will flow out from the first air vent 101 on housing 1 and the second air vent 301 on rear end cap 3.
In an embodiment of the present utility model, described motor 4 and described wheel cover 510 keep separating with described housing 1 respectively, and described motor 4 is resisted against on described fixed mount 110, and described wheel cover 510 is resisted against on described drive end bearing bracket 2.
In this embodiment, motor 4 is resisted against on fixed mount 110, wheel cover 510 is resisted against on drive end bearing bracket 2, only drive end bearing bracket 2 and fixed mount 110 keep spacing relation with wheel cover 510 and motor 4, motor 4 housing 1 relative to wheel cover 510 keeps unsettled, make the annular space formed on motor 4 and wheel cover 510 and between housing 1 not only as air channel, silencing cavity can be alternatively arranged as and reduce noise.
In an embodiment of the present utility model, the end of described motor 4 is resisted against the cecum of described fixed mount 110.
In this embodiment, the end of motor 4 is resisted against the cecum of fixed mount 110, motor 4 is carried out axial limiting by the cecum making fixed mount 110, and rear end cap 3 keeps separating with motor 4, and size and number and the distribution of the second air vent 301 on rear end cap 3 will not be affected.
In an embodiment of the present utility model, between described motor 4 and the cecum of described fixed mount 110, it is provided with cushion pad 6.
In this embodiment, cushion pad 6 it is provided with between the cecum of motor 4 and fixed mount 110, cushion pad 6 can eliminate the fit clearance between motor 4 and fixed mount 110, improve the compactness coordinated between motor 4 and fixed mount 110, the axial vibration of motor 4 is cushioned simultaneously, make will not produce between motor 4 and fixed mount 110 noise.
Concrete, the end of motor 4 has ring-shaped groove, and cushion pad 6 has annular projection, and annular projection stretches in ring-shaped groove, makes motor 4 and cushion pad 6 will not offset diametrically, it is ensured that the reliability of buffering.
In an embodiment of the present utility model, the edge of the second air inlet 511 of described wheel cover 510 is resisted against the edge of the inner side of the first air inlet 201 of described drive end bearing bracket 2, is provided with sealing ring 7 between described first air inlet 201 and described second air inlet 511.
In this embodiment, the edge of the second air inlet 511 of wheel cover 510 is resisted against the edge of the inner side of the first air inlet 201 of drive end bearing bracket 2, the second air inlet 511 is made directly to connect with the first air inlet 201, ensure that wind-force will not be decayed, it is provided with sealing ring 7 between first air inlet 201 and the second air inlet 511, improve the tightness of connection between the first air inlet 201 and the second air inlet 511, it is additionally operable to cushion between wheel cover 510 and drive end bearing bracket 2, make to produce because of vibration between wheel cover 510 and drive end bearing bracket 2 noise, improve the quality of product.
A kind of vacuum cleaner according to this utility model second aspect embodiment, has the air exhauster described in any of the above item embodiment.
According to the vacuum cleaner that this utility model second aspect embodiment provides, having the air exhauster that this utility model first aspect any embodiment provides, therefore this vacuum cleaner has whole beneficial effects of the air exhauster that any of the above-described embodiment provides.
In the description of this specification, term " connection " etc. all should be interpreted broadly, such as, " connection " can be through fixing connection, can also be removably connect, for the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in this utility model as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of term " embodiment ", " some embodiments ", " specific embodiment " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (10)
1. an air exhauster, it is characterised in that including:
Housing, described housing is tubular construction, and described housing has the first opening and the second opening, and the lateral wall of described housing has the first air vent；
Drive end bearing bracket, described drive end bearing bracket is assemblied in the first opening of described housing, and described drive end bearing bracket has the first air inlet；
Rear end cap, described rear end cap is assemblied in the second opening of described housing；
Motor, described motor is assemblied in described housing, and one end of described motor is connected to centrifugal wind wheel, and the end of described centrifugal wind wheel is just to described first air inlet on described drive end bearing bracket；
Wherein, described rear end cap is provided with the second air vent.
2. air exhauster according to claim 1, it is characterised in that the inner side of described housing is provided with fixed mount, described motor and described centrifugal wind wheel and is assemblied between described fixed mount and described drive end bearing bracket.
3. air exhauster according to claim 2, it is characterized in that, described fixed mount is barrel shaped structure, one end of described fixed mount is opening, the other end is cecum, the opening of described fixed mount is towards the first opening of described housing, and the edge of the opening of described fixed mount is connected with the medial wall of described housing.
4. air exhauster according to claim 3, it is characterised in that being provided with third venting hole on the sidewall of described fixed mount, described third venting hole connects with described first air vent and described second air vent.
5. air exhauster according to claim 4, it is characterised in that described centrifugal wind wheel includes:
Impeller, described impeller is connected with the main shaft of described motor；
Wheel cover, described wheel cover is enclosed within the outside of described impeller, and the end of described wheel cover is provided with the second air inlet, and described second air inlet connects with described first air inlet, and described wheel cover is provided with the 4th air vent, and described 4th air vent connects with described third venting hole.
6. air exhauster according to claim 5, it is characterised in that described motor and described wheel cover keep separating with described housing respectively, and described motor is resisted against on described fixed mount, and described wheel cover is resisted against on described drive end bearing bracket.
7. air exhauster according to claim 6, it is characterised in that the end of described motor is resisted against the cecum of described fixed mount.
8. air exhauster according to claim 7, it is characterised in that be provided with cushion pad between the cecum of described motor and described fixed mount.
9. air exhauster according to claim 6, it is characterised in that the edge of the second air inlet of described wheel cover is resisted against the edge of the inner side of the first air inlet of described drive end bearing bracket, is provided with sealing ring between described first air inlet and described second air inlet.
10. a vacuum cleaner, it is characterised in that include the air exhauster according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045275.1U CN205383093U (en) | 2016-01-18 | 2016-01-18 | Air extractor and dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620045275.1U CN205383093U (en) | 2016-01-18 | 2016-01-18 | Air extractor and dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205383093U true CN205383093U (en) | 2016-07-13 |
Family
ID=56348676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620045275.1U Expired - Fee Related CN205383093U (en) | 2016-01-18 | 2016-01-18 | Air extractor and dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205383093U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115062A (en) * | 2017-06-26 | 2017-09-01 | 美的集团股份有限公司 | Dust catcher |
| CN109106276A (en) * | 2017-06-26 | 2019-01-01 | 美的集团股份有限公司 | Dust catcher |
-
2016
- 2016-01-18 CN CN201620045275.1U patent/CN205383093U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107115062A (en) * | 2017-06-26 | 2017-09-01 | 美的集团股份有限公司 | Dust catcher |
| CN109106276A (en) * | 2017-06-26 | 2019-01-01 | 美的集团股份有限公司 | Dust catcher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160713 Termination date: 20210118 |