CN208431199U - A kind of low noise motor structure - Google Patents
A kind of low noise motor structure Download PDFInfo
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- CN208431199U CN208431199U CN201820963235.4U CN201820963235U CN208431199U CN 208431199 U CN208431199 U CN 208431199U CN 201820963235 U CN201820963235 U CN 201820963235U CN 208431199 U CN208431199 U CN 208431199U
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- seal ring
- fixed
- elastic seal
- air inlet
- low noise
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Abstract
The utility model discloses a kind of low noise motor structures, including motor casing, stator and the rotor being rotatably dispose in stator, motor casing includes casing ontology and fan housing, the stator is fixed with casing ontology, the rotor and motor casing are rotatablely connected, the fan housing is equipped with air inlet, movable vane wheel is equipped on the inside of air inlet, movable vane wheel is fixed with rotor, the movable vane wheel is equipped with multiple blades, and blade is equipped with notch, and the air inlet is equipped with elastic seal ring, elastic seal ring is fixed with fan housing, and the notch is pierced into elastic seal ring.The utility model provides that a kind of noise is small, and intake is big, the strong low noise motor structure of leakproofness.
Description
Technical field
The utility model relates to technical field of motors, more particularly, to a kind of low noise motor structure.
Background technique
Motor of dust collector is the heart of dust catcher, provides power for dust catcher.The motor of dust collector of the prior art is generally deposited
It is big in noise, the small defect of intake, while there is also power that small, vacuum degree deficiency and dust removal ability difference etc. are asked for part motor
Topic, influences the dust removing effects of dust catcher.
Chinese patent application publication number CN207475377U, publication date are on 06 08th, 2018, a kind of entitled " dust suction
Device motor and dust catcher " discloses a kind of high-speed brushless motor of dust collector and dust catcher using magnetic suspension bearing, the dust catcher
Motor and dust catcher, can overcome the problems, such as that existing motor is limited by bearing can not improve revolving speed, and operating is reliable, greatly prolong
Service life has been grown, has been improved work efficiency.But the patent structure is complicated, and that there are still noises is big, vacuum degree not can guarantee
The problem of.
Summary of the invention
The utility model in order to overcome the shortcomings in the prior art, provides that a kind of noise is small, and intake is big, and leakproofness is strong
Low noise motor structure.
To achieve the goals above, the utility model uses following technical scheme:
A kind of low noise motor structure includes including motor casing, stator and the rotor being rotatably dispose in stator, motor casing
Casing ontology and fan housing, the stator are fixed with casing ontology, and the rotor and motor casing are rotatablely connected, and the fan housing is equipped with
Air inlet is equipped with movable vane wheel on the inside of air inlet, and movable vane wheel is fixed with rotor, and the movable vane wheel is equipped with multiple blades, on blade
Equipped with notch, the air inlet is equipped with elastic seal ring, and elastic seal ring is fixed with fan housing, and the notch is pierced into elastic packing
In circle.In above-mentioned technical proposal, elastic seal ring can effectively improve the leakproofness of motor, enhances air draught effect, reduces simultaneously
The air vibration noise to be leaked due to leakproofness difference.Blade can generate vibration during rotation, and the paddle cutout is pierced into bullet
Property sealing ring, damping, buffering can be played the role of while increasing sealing effect, reduce the vibration of blade, reduced by blade
Noise caused by vibration.
Preferably, the blade uses backward bent vane structure.Backward bent vane structure is existing in impeller, blade industry
There is technology, used herein, helps to reduce noise, improves air quantity.
Preferably, the elastic packing loop material is high resiliency EVA.High resiliency EVA belongs to the prior art.Due to movable vane
The blade band notch of wheel, can puncture elastic seal ring.Elastic seal ring wraps movable vane wheel.When running at high speed movable vane wheel and
Elastic seal ring generates frictional heating, and elastic seal ring deforms to reduce the frictional force of blade and elastic seal ring.
Elastic seal ring is restored to original state again after cooling.After this structure, since frictional force reduces, in the feelings for not influencing motor air volume
Under condition, the noise of motor can also be reduced, while improving the efficiency of motor.
Preferably, the fan housing is equipped with the auxiliary air duct of elongated spacing, the auxiliary air duct of elongated spacing is connected to the air intake of movable vane wheel,
The auxiliary air duct of elongated spacing is connected to air inlet.The auxiliary air channel structure of elongated spacing is convenient for entering EVA material filling, seals improving
Property while, also reduction frictional resistance, to improve the efficiency of motor.The auxiliary air duct of elongated spacing can also make air intake passage elongated,
Keep air inlet process gentler, to reduce noise.
Preferably, the inside bending in the one end of the fan housing far from rotor forms fixed annular groove, fixed annular groove is in air inlet
At mouthful, elastic seal ring is fixed in fixed annular groove, and notch protrudes into fixed annular groove.Through the above technical solutions, bullet can be made
Property sealing ring is stronger is fixed on fan housing, do not need to avoid adhesive that failure is used for a long time using adhesives such as glue and make
The problem of falling off at elastic seal ring.In motor rotation, blade and elastic seal ring friction, elastic seal ring fever expansion,
Can be stronger be stuck in fixed annular groove.The notch protrudes into fixed annular groove, and elastic seal ring is entirely located at fixed ring
In slot, avoid the problem that elastic seal ring stretches out elastic seal ring caused by fixed annular groove and is easy to fall off.Simultaneously as elasticity is close
Seal is radially fixed annular groove clamping, and elastic seal ring can radially be reduced with deformation distance, can increase the vibration damping effect to blade
Fruit.
The beneficial effects of the utility model are: (1) greatly reduces the noise of motor；(2) motor seal is good, formation
Vacuum degree is high；(3) motor intake is big, high-efficient；(4) electric machine structure is simply easy to manufacture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
In figure: in figure: motor casing 1, casing ontology 1.1, fan housing 1.2, stator 2, rotor 3, air inlet 4, movable vane wheel 5, leaf
The auxiliary air duct 8 of piece 6, notch 6.1, elastic seal ring 7, elongated spacing, fixed annular groove 9.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
A kind of low noise motor structure, including motor casing 1, stator 2 and the rotor 3 being rotatably dispose in stator 2, motor casing
1 includes casing ontology 1.1 and fan housing 1.2, and the stator 2 and casing ontology 1.1 are fixed, and the rotor 3 connects with the rotation of motor casing 1
It connects, the fan housing 1.2 is equipped with air inlet 4, and movable vane wheel 5 is equipped on the inside of air inlet 4, and movable vane wheel 5 and rotor 3 are fixed, described dynamic
Impeller 5 is equipped with multiple blades 6, and blade 6 is equipped with notch 6.1, is equipped with elastic seal ring 7, elastic packing at the air inlet 4
Circle 7 is fixed with fan housing 1.2, and the notch 6.1 is pierced into elastic seal ring 7.In above-mentioned technical proposal, elastic seal ring 7 can be with
The leakproofness of motor is effectively improved, enhances air draught effect, while reducing the air vibration noise to leak due to leakproofness difference.Blade
6 can generate vibration during rotation, and 6 notch 6.1 of blade is pierced into elastic seal ring 7, can increase sealing effect
Play the role of damping, buffering simultaneously, reduce the vibration of blade 6, reduces noise caused by being vibrated as blade 6.
The blade 6 uses 6 structure of backward bent vane.Backward bent vane structure is the prior art in impeller, blade industry,
It is used herein, helps to reduce noise, improves air quantity.
7 material of elastic seal ring is high resiliency EVA.High resiliency EVA belongs to the prior art.Due to the leaf of movable vane wheel 5
Piece 6 can puncture elastic seal ring 7 with notch 6.1, and elastic seal ring 7 wraps movable vane wheel 5.Movable vane wheel when running at high speed
5 and elastic seal ring 7 generate frictional heating, elastic seal ring 7 deforms to make the friction of blade 6 Yu elastic seal ring 7
Power reduces.Elastic seal ring 7 is restored to original state again after cooling.After this structure, since frictional force reduces, motor is not being influenced
In the case where air quantity, the noise of motor can also be reduced, while improving the efficiency of motor.
The fan housing 1.2 is equipped with the auxiliary air duct 8 of elongated spacing, and the auxiliary air duct 8 of elongated spacing is connected to the air intake of movable vane wheel 5, draws
The long auxiliary air duct 8 of formula is connected to air inlet 4.Auxiliary 8 structure of air duct of elongated spacing is convenient for entering EVA material filling, close improving
While envelope property, frictional resistance is also reduced, to improve the efficiency of motor.The auxiliary air duct 8 of elongated spacing can also be such that air intake passage becomes
It is long, keep air inlet process gentler, to reduce noise.
One end inside bending of the fan housing 1.2 far from rotor 3 forms fixed annular groove 9, and fixed annular groove 9 is in air inlet 4
Place, elastic seal ring 7 are fixed in fixed annular groove 9, and notch 6.1 protrudes into fixed annular groove 9.Through the above technical solutions, can be with
Make elastic seal ring 7 is stronger to be fixed on fan housing 1.2, does not need to avoid adhesive from making for a long time using adhesives such as glue
The problem of causing elastic seal ring 7 to fall off with failure.In motor rotation, blade 6 and elastic seal ring 7 rub, elastic packing
Enclose 7 fever expansions, can be stronger be stuck in fixed annular groove 9.The notch 6.1 protrudes into fixed annular groove 9, elastic packing
Circle 7 is entirely located in fixed annular groove 9, is avoided elastic seal ring 7 from stretching out elastic seal ring 7 caused by fixed annular groove 9 and is easy to fall off
The problem of.Simultaneously as elastic seal ring 7 is radial to be fixed the clamping of annular groove 9, elastic seal ring 7 is radial to be subtracted with deformation distance
It is small, the effectiveness in vibration suppression to blade 6 can be increased.
When electric motor starting, rotor 3, movable vane wheel 5 and blade 6 rotate together, and air is driven to rotate, in the effect of centrifugal force
Lower air enters air inlet duct, and air inlet 4 nearby generates negative pressure, constantly draws air into.Since 4 attachment of air inlet is close equipped with elasticity
Seal 7, motor seal effect is preferable, after air enters air inlet 4, can only enter air inlet duct 8 under the influence of centrifugal force, will not
It is blown out near air inlet 4, increases intake.Blade 6 is pierced into elastic seal ring 7, it is ensured that sealing effect, while by
There is elasticity in elastic seal ring 7, the vibration of blade 6 itself can be absorbed, reduce the vibration of blade 6, reduce noise,
The damage due to vibration bring to motor component is also avoided simultaneously.The beneficial effects of the utility model are: greatly reducing
The noise of motor；Motor seal is good, and the vacuum degree of formation is high；Intake is big, high-efficient；Structure is simple, easy to manufacture.
Claims (5)
1. a kind of low noise motor structure, including motor casing, stator and the rotor being rotatably dispose in stator, motor casing includes machine
Shell ontology and fan housing, the stator are fixed with casing ontology, and the rotor and motor casing are rotatablely connected, characterized in that the wind
Cover is equipped with air inlet, is equipped with movable vane wheel on the inside of air inlet, and movable vane wheel is fixed with rotor, and the movable vane wheel is equipped with multiple leaves
Piece, blade are equipped with notch, and the air inlet is equipped with elastic seal ring, and elastic seal ring is fixed with fan housing, the notch thorn
Enter in elastic seal ring.
2. low noise motor structure according to claim 1, characterized in that the blade uses backward bent vane structure.
3. low noise motor structure according to claim 1 or 2, characterized in that the elastic packing loop material is high-elastic
Property EVA.
4. low noise motor structure according to claim 1 or 2, characterized in that the fan housing is equipped with the auxiliary wind of elongated spacing
Road, the auxiliary air duct of elongated spacing are connected to the air intake of movable vane wheel, and the auxiliary air duct of elongated spacing is connected to air inlet.
5. low noise motor structure according to claim 1, characterized in that the one end of the fan housing far from rotor is inwardly curved
Folding forms fixed annular groove, and fixed annular groove is in air inlet, and elastic seal ring is fixed in fixed annular groove, and notch protrudes into fixed ring
In slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963235.4U CN208431199U (en) | 2018-06-21 | 2018-06-21 | A kind of low noise motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820963235.4U CN208431199U (en) | 2018-06-21 | 2018-06-21 | A kind of low noise motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431199U true CN208431199U (en) | 2019-01-25 |
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ID=65101842
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820963235.4U Active CN208431199U (en) | 2018-06-21 | 2018-06-21 | A kind of low noise motor structure |
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| Country | Link |
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| CN (1) | CN208431199U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819072A (en) * | 2021-10-18 | 2021-12-21 | 杭州旋速科技有限公司 | Turbofan magnetic suspension pipeline fan |
-
2018
- 2018-06-21 CN CN201820963235.4U patent/CN208431199U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113819072A (en) * | 2021-10-18 | 2021-12-21 | 杭州旋速科技有限公司 | Turbofan magnetic suspension pipeline fan |
| CN113819072B (en) * | 2021-10-18 | 2023-08-22 | 杭州旋速科技有限公司 | Turbofan magnetic suspension pipeline fan |
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