CN206708107U - A kind of fixed structure on blower of cleaner head - Google Patents
A kind of fixed structure on blower of cleaner head Download PDFInfo
- Publication number
- CN206708107U CN206708107U CN201720544467.1U CN201720544467U CN206708107U CN 206708107 U CN206708107 U CN 206708107U CN 201720544467 U CN201720544467 U CN 201720544467U CN 206708107 U CN206708107 U CN 206708107U
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- CN
- China
- Prior art keywords
- turned welt
- blower
- retainer plate
- cleaner head
- fixed structure
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Abstract
The utility model discloses a kind of fixed structure on blower of cleaner head, include fan main body, air outlet is provided with described fan main body, upper shell is fixed on the top of described fan main body, the turned welt of pile tube is provided with described upper shell, it is air inlet that the turned welt, which encloses part, the retainer plate made of porous, expanded material is set on described turned welt, the groove being adapted with the turned welt is formed with described retainer plate, described groove is placed on the turned welt and encloses three bread of turned welt, and the upper surface of described retainer plate is arc-shaped structure.The utility model has the advantage of：Simple in construction, transformation is convenient, by the setting of the retainer plate made of porous, expanded material, can effectively reduce vibration, reduce the overall noise of dust catcher.
Description
Technical field
Dust catcher manufacturing technology field is the utility model is related to, specifically a kind of fixed knot on blower of cleaner head
Structure.
Background technology
Dust catcher is to drive blower fan to rotate at a high speed using motor, makes to be formed outside parital vacuum, with dust storage chamber in dust storage chamber
Form draught head and produce air-flow, dust is sucked in dust storage chamber with air-flow, filtered, and dust is resided in dust storage chamber, row
Go out pure air.
And in blower fan high-speed rotation, drive air flow to produce noise, meanwhile, it can produce during blower fan work and shake
It is dynamic, it can similarly produce noise.High noise is up to more than 90 decibels caused by existing dust catcher working condition, and lives in 90 for a long time
In environment more than decibel, the disease such as hearing can be severely impacted and produce neurasthenia, headache, hypertension.Therefore, how
It is an important research direction in the industry to reduce vacuum cleaner noise.
Released by the national efficiency grade such as Europe, the requirement of European new standard in 2017, the market access requires noise
To be less than 80 dB. dust catchers as daily household electrical appliance, impacted very huge, noise is as very important in dust catcher
One subjective factor, original structure of dust collector design is highly developed, causes dust catcher unsatisfactory in terms of active noise reduction, only
Properties of product can be reduced to reach the purpose of noise reduction.On the premise of so reducing performance, although noise requirements can be met, dust suction energy
Power can not reach the requirement of efficiency grade again, become the combination of a contradiction.
More in a tubular form, this shape makes air be produced more in air inlet when dust catcher operates to the air inlet of blower of cleaner
Strengthen strong vortex, so as to cause the noise of dust catcher to aggravate；More seriously make to flow into air inlet air you strive my and squeeze stream
It is dynamic to have some setbacks, the pick-up performance of dust catcher is influenceed, therefore its structure is further improved.
The content of the invention
The purpose of the utility model is to make up above-mentioned deficiency, and simple in construction, transformation convenience is disclosed to society, can be effective
Reduce a kind of fixed structure on blower of cleaner head of noise.
What the technical solution of the utility model was realized in：
A kind of fixed structure on blower of cleaner head, includes fan main body, is provided with out on described fan main body
Air port, the top of described fan main body fix upper shell, the turned welt of pile tube are provided with described upper shell, and the turned welt is enclosed
Part be air inlet, and the retainer plate made of porous, expanded material is set on described turned welt, be formed with described retainer plate and
The groove that the turned welt is adapted, described groove are placed on the turned welt and enclosed three bread of turned welt, described retainer plate
Upper surface be arc-shaped structure.
Further optimizing the measure of the technical program is：
Described retainer plate is made up of integrally formed inner ring, arc section, outer ring.
The thickness of described outer ring is more than the thickness of the inner ring.
Cavity is formed with the inside of described inner ring.
Gap is left between the upper end of described turned welt and the upper end of the groove.
The height of described outer ring is more than the height of the inner ring.
Mutually it is close to the surface of the upper shell lower surface of described outer ring.
The utility model compared with prior art the advantages of be：
The utility model uses sets the retainer plate made of porous, expanded material on the turned welt of air inlet periphery, when
Using the flexible speciality of expanded material, when assembling is when in dust suction, caused shake during blower fan work can be effectively reduced
It is dynamic, play a part of shock-absorbing, be capable of the generation of effective noise reduction function, second, using the loose structure of expanded material, absorb dust suction
Caused wind is made an uproar in the device course of work, can effectively reduce the overall noise of dust catcher；And the upper surface of retainer plate is circular arc
Shape structure, such structure make air inlet form flared structure, and it can produce good guidance quality to distinguished and admirable, can effectively suppress wind
Flow air inlet and produce strong vortice, so as to improve fan efficiency, reduce energy consumption, reduce noise.
In addition, the utility model is only needed on the basis of existing blower fan structure, increase a retainer plate, without to blower fan
Other structures are improved, and transformation is convenient, positive effect, strong applicability.
Brief description of the drawings
Fig. 1 is decomposition texture schematic diagram of the present utility model；
Fig. 2 is cross section structure diagram of the present utility model；
Fig. 3 is the cross section structure diagram of retainer plate in Fig. 2.
Embodiment
The title of each reference is in the utility model accompanying drawing：
Fan main body 1, air outlet 11, air inlet 12, upper shell 2, turned welt 21, retainer plate 3, groove 3a, inner ring 31, cavity
31a, arc section 32, outer ring 33.
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1 to Figure 3,
A kind of fixed structure on blower of cleaner head, include fan main body 1, be provided with described fan main body 1
Air outlet 11, the top of described fan main body 1 fix upper shell 2, the turned welt 21 of pile tube are provided with described upper shell 2,
It is air inlet 12 that the turned welt 21, which encloses part, and the retainer plate 3 made of porous, expanded material is set on described turned welt 21, described
Retainer plate 3 on be formed with the groove 3a being adapted with the turned welt 21, described groove 3a is placed on the turned welt 21 and will turned over
Three bread of mouth 21 enclose, and the upper surface of described retainer plate 3 is arc-shaped structure.
Described retainer plate 3 is made up of integrally formed inner ring 31, arc section 32, outer ring 33.
The thickness of described outer ring 33 is more than the thickness of the inner ring 31.The thickness of outer ring 33 is thicker, can effectively reduce
Vibrations between air inlet 12 and installation position, to reach good shock-absorbing effect；And the thinner thickness of inner ring 31, avoid interior
The thickness of circle 31 is blocked up and influences air intake flow.
The inner side of described inner ring 31 is formed with cavity 31a；Cavity 31a setting can further reduce 31 duties of inner ring
Between, the air mass flow of guarantee air inlet 12.
Gap is left between the upper end of described turned welt 21 and the upper end of the groove 3a；Turned welt 21 is avoided to match somebody with somebody with groove 3a
Close tension and influence shock-absorbing effect.
The height of described outer ring 33 is more than the height of the inner ring 31.
Mutually it is close to the surface of the upper shell 2 lower surface of described outer ring 33.
Because the surface of upper shell 2 is less than turned welt 21 (as shown in Figure 2), the height of outer ring 33 is more than the height of the inner ring 31
Degree, enable the outer wall of the fully wrapped around firmly turned welt 21 of retainer plate 3, and the lower surface of outer ring 33 is mutually close to the surface of upper shell 2,
Shock-absorbing, noise reduction can further be lifted.
Operation principle：
When blower fan starts, blower interior is pumped into parital vacuum, forms draught head with blower fan external pressure, makes outside
Air enters in blower fan from air inlet 12, and the intake velocity of general dust catcher can reach 45L/S, high speed it is distinguished and admirable can produce it is very big
Noise, while vibration can be produced during blower fan work, can equally produce noise.
The utility model is not in the case where blower fan structure changes, by being set on turned welt 21 by porous, expanded material
Manufactured retainer plate 3, transformation is convenient, simple, practical.The groove 3a of retainer plate 3 is placed on turned welt 21 and by three face of turned welt 21
Surround, it utilizes the flexible speciality (its hardness is 20-30 degree) of expanded material, can be effective when assembling is when in dust suction
Caused vibrations when reducing blower fan work, play a part of shock-absorbing, are capable of the generation of effective noise reduction function；In addition, foaming material
Material has loose structure, can absorb caused wind in the dust catcher course of work and make an uproar, and effectively reduces the overall noise of dust catcher.
The upper surface of retainer plate 3 is arc-shaped structure, and such structure makes air inlet form flared structure, and it can be produced well to distinguished and admirable
Guidance quality, can effectively suppress distinguished and admirable air inlet and produce strong vortice, so as to improve fan efficiency, reduce energy consumption, reduce noise.
After tested, using the fixed structure on blower of cleaner head of the present utility model, the feelings of dust suction performance are not being sacrificed
Condition, can be effectively by the lower noise of motor of dust collector to below 80dB.
Most preferred embodiment of the present utility model has been elucidated with, and the various change made by those of ordinary skill in the art or is changed
Type is all without departing from the scope of the utility model.
Claims (7)
1. a kind of fixed structure on blower of cleaner head, includes fan main body (1), described fan main body is set on (1)
There is air outlet (11), upper shell (2) is fixed on the top of described fan main body (1), and described upper shell is provided with pile tube on (2)
Turned welt (21), the turned welt (21) enclose part be air inlet (12), it is characterised in that：Set on described turned welt (21) by more
Retainer plate (3) made of the expanded material of hole, the groove being adapted with the turned welt (21) is formed with described retainer plate (3)
(3a), described groove (3a) are placed on the turned welt (21) and enclose three bread of turned welt (21), described retainer plate (3)
Upper surface is arc-shaped structure.
A kind of 2. fixed structure on blower of cleaner head according to claim 1, it is characterised in that：Described retainer plate
(3) it is made up of integrally formed inner ring (31), arc section (32), outer ring (33).
A kind of 3. fixed structure on blower of cleaner head according to claim 2, it is characterised in that：Described outer ring
(33) thickness is more than the thickness of the inner ring (31).
A kind of 4. fixed structure on blower of cleaner head according to claim 3, it is characterised in that：Described inner ring
(31) cavity (31a) is formed with the inside of.
A kind of 5. fixed structure on blower of cleaner head according to claim 4, it is characterised in that：Described turned welt
(21) gap is left between upper end and the upper end of the groove (3a).
A kind of 6. fixed structure on blower of cleaner head according to claim 5, it is characterised in that：Described outer ring
(33) height is more than the height of the inner ring (31).
A kind of 7. fixed structure on blower of cleaner head according to claim 6, it is characterised in that：Described outer ring
(33) mutually it is close to the surface of the upper shell (2) lower surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544467.1U CN206708107U (en) | 2017-05-17 | 2017-05-17 | A kind of fixed structure on blower of cleaner head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720544467.1U CN206708107U (en) | 2017-05-17 | 2017-05-17 | A kind of fixed structure on blower of cleaner head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206708107U true CN206708107U (en) | 2017-12-05 |
Family
ID=60463469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720544467.1U Active CN206708107U (en) | 2017-05-17 | 2017-05-17 | A kind of fixed structure on blower of cleaner head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206708107U (en) |
-
2017
- 2017-05-17 CN CN201720544467.1U patent/CN206708107U/en active Active
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