CN209244914U - A kind of centrifugal impeller for motor radiating - Google Patents
A kind of centrifugal impeller for motor radiating Download PDFInfo
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- CN209244914U CN209244914U CN201821949756.0U CN201821949756U CN209244914U CN 209244914 U CN209244914 U CN 209244914U CN 201821949756 U CN201821949756 U CN 201821949756U CN 209244914 U CN209244914 U CN 209244914U
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- blade
- wheel disc
- cylindrical surface
- centrifugal impeller
- motor radiating
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Abstract
The utility model provides a kind of centrifugal impeller for motor radiating, comprising: wheel disc, the wheel disc are in truncated cone-shaped；The side of the wheel disc is arranged in first blade, first blade, and first blade is arc-shaped, and multiple first blades are uniformly distributed in the shape of a spiral around the axis of the wheel disc；First blade extends to the outside of the excircle of the big end of the wheel disc.This centrifugal impeller for motor radiating has the blade of arc and the wheel disc of truncated cone-shaped, the blade of arc can correct the flow direction of air-flow, the air-flow into impeller is avoided close on the side wall for vertically impinging upon blade, the angle that air-flow hits blade sidewall is reduced, the impact loss of air-flow is effectively reduced.
Description
Technical field
The utility model relates to impeller field more particularly to a kind of centrifugal impellers for motor radiating.
Background technique
Motor with air cooling has one to be used to the fan of motor radiating, and the blade of traditional fan is linear type, is being operated
When air-flow impact loss it is big, cause the deficiency of waste and the air quantity supply of power, imitate its to the cooling of motor
Fruit is bad.Therefore, it is necessary to be improved to existing blast fan.
Utility model content
Technical problem to be solved by the utility model is: being to solve the blade of the fan on traditional motor with air cooling
Linear type causes power dissipation and air quantity to supply insufficient problem in the running.The utility model provides a kind of for electricity
The centrifugal impeller of machine heat dissipation solves the above problems.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of centrifugation leaf for motor radiating
Wheel, comprising:
Wheel disc, the wheel disc are in truncated cone-shaped；
The side of the wheel disc is arranged in first blade, first blade, and first blade is arc-shaped, multiple described
First blade is uniformly distributed in the shape of a spiral around the axis of the wheel disc；First blade extends to the big end of the wheel disc
The outside of excircle.
Preferably, the inside contour line of first blade includes that starting point is located on the side of the wheel disc simultaneously Xiang Qianxiang
First curved section of outer extension；
Preferably, first blade extends to third cylindrical surface, the third cylindrical surface it is coaxial with the wheel disc,
The diameter on the third cylindrical surface is greater than the diameter of the excircle of the big end of the wheel disc；The overhead pulley profile of first blade
Including third curved section, one end of the third curved section connects the terminal of first curved section, the other end prolongs backward outward
Extend to the third cylindrical surface；
Preferably, further including the second blade, second blade, institute are equipped between the first blade described in every two
The second blade is stated to be fixed on the side of the wheel disc；Second blade is arc-shaped, and multiple second blades are around described
The axis of wheel disc is uniformly distributed in the shape of a spiral；Second blade extends to the third cylindrical surface from the second cylindrical surface, described
The starting point of the inside contour line of first blade is located on first cylindrical surface；First cylindrical surface, the second cylindrical surface and institute
State that third cylindrical surface is coaxial, and the diameter on second cylindrical surface is greater than the diameter on first cylindrical surface and is less than the wheel disc
Big end excircle diameter.
Preferably, the excircle of the big end of the wheel disc is extended with the first annulus along its axis backward.
Preferably, further include the first fixed ring, first fixed ring and first blade and second blade
Integrally connected.
Preferably, the side of the wheel disc has recessed radian.
Preferably, the diameter on second cylindrical surface is 1.2 ~ 1.5 times of the diameter on first cylindrical surface.
The utility model has the beneficial effects that this centrifugal impeller for motor radiating has the blade and rotary table of arc
The wheel disc of shape, the blade of arc can correct the flow direction of air-flow, avoid air-flow into impeller close to vertically impinging upon leaf
On the side wall of piece, the angle that air-flow hits blade sidewall is reduced, effectively reduces the impact loss of air-flow.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural schematic diagram of the optimum embodiment of the centrifugal impeller for motor radiating of the utility model.
Fig. 2 is a kind of structural schematic diagram of the optimum embodiment of the centrifugal impeller for motor radiating of the utility model.
Fig. 3 is a kind of structural schematic diagram of the optimum embodiment of the centrifugal impeller for motor radiating of the utility model.
Fig. 4 is a kind of structural schematic diagram of the optimum embodiment of the centrifugal impeller for motor radiating of the utility model.
Fig. 5 is a kind of structural schematic diagram of the optimum embodiment of the centrifugal impeller for motor radiating of the utility model.
1, wheel disc in figure, 102, axis hole, the 104, first annulus, the 2, first blade, the 201, first curved section, 204, third
Curved section, the 3, second blade, the 4, first fixed ring.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " axis
To ", " radial direction ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for the description present invention and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.In addition, in this reality
With in novel description, unless otherwise indicated, the meaning of " plurality " is two or more.
As shown in Fig. 1 ~ 5, the utility model provides a kind of centrifugal impeller for motor radiating, comprising:
Wheel disc 1, wheel disc 1 are in truncated cone-shaped, offer axis hole 102 at the axis of wheel disc 1.
The side of wheel disc 1 is arranged in first blade 2, the first blade 2, and the first blade 2 is arc-shaped, and multiple first blades 2 enclose
Axis around wheel disc 1 is uniformly distributed in the shape of a spiral.First blade 2 extends to the outside of the excircle of the big end of wheel disc 1.
Air-flow enters impeller from the front side of impeller, is exported axially rearward by impeller.
In the present embodiment, compared with traditional linear type blade, the first blade 2 of arc can correct the stream of air-flow
To the air-flow avoided into impeller approaches on the side wall for vertically impinging upon blade, reduces air-flow and hits blade sidewall
Angle reduces the impact loss of air-flow；After air-flow enters impeller, the side of wheel disc 1 guides air-flow backward, and air-flow is by backward
Axial export.
According to other embodiment, the inside contour line of the first blade 2 includes that starting point is located on the side of wheel disc 1 and forward
Outwardly extending first curved section 201.
In the present embodiment, outwardly extending part can expand the area of air-flow air inlet to the first curved section 201 forward,
The area that such design can also reduce air inlet and air-flow is hit, reduces the impact loss of air-flow, so that air-flow exists
Enter the inside of impeller in the lesser situation of impact loss.
According to other embodiment, the first blade 2 extends to third cylindrical surface, third cylindrical surface it is coaxial with wheel disc 1,
The diameter on three cylindrical surfaces is greater than the diameter of the excircle of the big end of wheel disc 1.The overhead pulley profile of first blade 2 includes third curve
Section 204, terminal, the other end that one end of third curved section 204 connects the first curved section 201 extand rearward to third cylinder outward
Face.
In the present embodiment, third curved section 204 gradually guides air-flow axially rearward, in third curved section 204 and wheel
Further such that air-flow exports axially rearward under the synergistic effect of the side of disk 1.
According to other embodiment, impeller further includes the second blade 3, is equipped with one second between the first blade of every two 2
Blade 3, the second blade 3 are fixed on the side of wheel disc 1.Second blade 3 is arc-shaped, and multiple second blades 3 surround the axis of wheel disc 1
Line is uniformly distributed in the shape of a spiral.Second blade 3 extends to third cylindrical surface, the inside profile of the first blade 2 from the second cylindrical surface
The starting point of line is located on the first cylindrical surface.First cylindrical surface, the second cylindrical surface and third cylindrical surface are coaxial, and the second cylindrical surface
Diameter be greater than the first cylindrical surface diameter be less than wheel disc 1 big end excircle diameter.
In the present embodiment, the second blade 3 is the flow velocity in order to increase impeller air outlet air-flow.If by all in impeller
Second blade 3 all replaces with the first blade 2, then will cause the blocking of impeller air inlet air-flow；If being not provided with the second blade
3, then the flow velocity at impeller air outlet will reduce, it is not able to satisfy the requirement used.Therefore, the second blade 3 and the first blade 2
Cooperation, both improve air quantity and performance, and effectively reduce the blocking of air inlet air-flow.
According to other embodiment, the excircle of the big end of wheel disc 1 is extended with the first annulus 104 along its axis backward.
In the present embodiment, wheel disc 1 is in truncated cone-shaped, and for the control to 1 weight of wheel disc, the shell of thin-walled is made in wheel disc 1
The front side of shape, wheel disc 1 is raised forward, and the rear side of wheel disc 1 is recessed forward, so the rear side of wheel disc 1 can there are biggish skies
Between.The setting of first annulus 104 can prevent air-flow from scurrying into the space of 1 rear side of wheel disc, avoid impeller shaft subtracting to air quantity
It is few.
According to other embodiment, impeller further includes the first fixed ring 4, the first fixed ring 4 and the first blade 2 and the second leaf
3 integrally connected of piece.The intensity of the structure of impeller is enhanced in this way.
According to other embodiment, the side of wheel disc 1 has recessed radian.Make the side of wheel disc 1 backward in this way
The impact loss of air-flow can be further reduced when guiding air-flow.
According to other embodiment, the diameter on the second cylindrical surface is 1.2 ~ 1.5 times of the diameter on the first cylindrical surface.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of the term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (8)
1. a kind of centrifugal impeller for motor radiating, it is characterised in that:
Wheel disc, the wheel disc are in truncated cone-shaped；
The side of the wheel disc is arranged in first blade, first blade, and first blade is arc-shaped, and multiple described first
Blade is uniformly distributed in the shape of a spiral around the axis of the wheel disc；First blade extends to the outer circle of the big end of the wheel disc
The outside in week.
2. being used for the centrifugal impeller of motor radiating as described in claim 1, it is characterised in that:
The inside contour line of first blade includes that starting point is located on the side of the wheel disc and forward outwardly extending first
Curved section.
3. being used for the centrifugal impeller of motor radiating as claimed in claim 2, it is characterised in that:
First blade extends to third cylindrical surface, the third cylinder coaxial with the wheel disc on the third cylindrical surface
The diameter in face is greater than the diameter of the excircle of the big end of the wheel disc；
The overhead pulley profile of first blade includes third curved section, and one end connection described first of the third curved section is bent
Terminal, the other end of line segment extand rearward to the third cylindrical surface outward.
4. being used for the centrifugal impeller of motor radiating as claimed in claim 3, it is characterised in that:
Further include the second blade, second blade is equipped between the first blade described in every two, second blade is solid
It is scheduled on the side of the wheel disc；
Second blade is arc-shaped, and multiple second blades are uniformly distributed in the shape of a spiral around the axis of the wheel disc；Institute
It states the second blade and extends to the third cylindrical surface from the second cylindrical surface, the starting point of the inside contour line of first blade is located at
On first cylindrical surface；First cylindrical surface, the second cylindrical surface and the third cylindrical surface are coaxial, and second cylindrical surface
Diameter be greater than first cylindrical surface diameter be less than the wheel disc big end excircle diameter.
5. being used for the centrifugal impeller of motor radiating as described in claim 1, it is characterised in that:
The excircle of the big end of the wheel disc is extended with the first annulus along its axis backward.
6. being used for the centrifugal impeller of motor radiating as claimed in claim 4, it is characterised in that:
It further include the first fixed ring, first fixed ring and first blade and the second blade integrally connected.
7. being used for the centrifugal impeller of motor radiating as described in claim 1, it is characterised in that:
The side of the wheel disc has recessed radian.
8. being used for the centrifugal impeller of motor radiating as claimed in claim 4, it is characterised in that:
The diameter on second cylindrical surface is 1.2~1.5 times of the diameter on first cylindrical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949756.0U CN209244914U (en) | 2018-11-23 | 2018-11-23 | A kind of centrifugal impeller for motor radiating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949756.0U CN209244914U (en) | 2018-11-23 | 2018-11-23 | A kind of centrifugal impeller for motor radiating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209244914U true CN209244914U (en) | 2019-08-13 |
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ID=67530389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821949756.0U Active CN209244914U (en) | 2018-11-23 | 2018-11-23 | A kind of centrifugal impeller for motor radiating |
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| CN (1) | CN209244914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236737A (en) * | 2018-11-23 | 2019-01-18 | 常州朗奇威电器有限公司 | A kind of centrifugal impeller for motor radiating |
-
2018
- 2018-11-23 CN CN201821949756.0U patent/CN209244914U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109236737A (en) * | 2018-11-23 | 2019-01-18 | 常州朗奇威电器有限公司 | A kind of centrifugal impeller for motor radiating |
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