CN209324735U - Fan and fan wheel thereof - Google Patents
Fan and fan wheel thereof Download PDFInfo
- Publication number
- CN209324735U CN209324735U CN201821935452.9U CN201821935452U CN209324735U CN 209324735 U CN209324735 U CN 209324735U CN 201821935452 U CN201821935452 U CN 201821935452U CN 209324735 U CN209324735 U CN 209324735U
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- CN
- China
- Prior art keywords
- shaped blade
- connecting shaft
- arc shaped
- shaft portion
- impeller
- Prior art date
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- 239000000758 substrate Substances 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 8
- 241000883990 Flabellum Species 0.000 description 5
- 230000001737 promoting effect Effects 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A fan and its fan wheel, in order to solve the problem that the smooth degree of the air current of the existing fan is not good, this fan wheel includes: a hub having a shaft portion located at the center of a base plate; the arc-shaped blades are annularly arranged on the periphery of the connecting shaft part, and the bottom edge of each arc-shaped blade is connected with the top surface of the substrate; the center of the connecting shaft part and the inner edge of each arc-shaped blade have a first radial distance, the center of the connecting shaft part and the outer edge of each arc-shaped blade have a second radial distance, and the ratio of the first radial distance to the second radial distance is 0.3-0.7.
Description
Technical field
The utility model relates to a kind of fans and its impeller more particularly to one kind can be applied to vehicle air conditioning or ventilation equipment
Etc. fan and its impeller in systems.
Background technique
Fig. 1 is please referred to, is a kind of existing fan 9, which has through a stator 9b driving rotation
An impeller 9a, impeller 9a is rotatably disposed within a central siphon 9c, and impeller 9a has a shaft 91 and connects this turn
One wheel hub 92 of axis 91, impeller 9a have the multiple flabellums 93 for the upper surface that the wheel hub 92 is connected to by root edge；In this way,
The existing fan 9 is composable to be located in such as vehicle air conditioning or ventilation equipment system, with the rotation by impeller 9a come
Drive air-flow.
However, above-mentioned existing fan 9, since blade root to the leaf tail of multiple flabellum 93 forms flat, and it is multiple
The dimension scale of flabellum 93 and the wheel hub 92 not particularly across test and adjustment so that air-flow between multiple flabellum 93 compared with
It for disorder, causes the flowing smooth degree of air-flow disengaging fan bad, and then causes easily to form flow-disturbing and wind cuts noise.
In view of this, existing fan still has improvedd necessity really.
Utility model content
To solve the above problems, air-flow can be promoted the purpose of this utility model is to provide a kind of fan and its impeller
The flowing smooth degree for passing in and out fan avoids the formation of flow-disturbing or generates the situation that wind cuts noise.
The one of the utility model is designed to provide a kind of fan and its impeller, can promote assembling with simple structure
Convenience.
The impeller of the utility model a, comprising: wheel hub has a connecting shaft portion positioned at the center of a substrate；And
Multiple arcs blade, is located on the periphery in the connecting shaft portion, and the root edge of each arc shaped blade connects the top surface of the substrate；Wherein, the company
The center of axle portion and the inner edge of each arc shaped blade have first radial spacing, the center in the connecting shaft portion and each arc shaped blade
Outer rim has second radial spacing, and the ratio of first radial spacing and second radial spacing is 0.3~0.7.
The fan of the utility model a, comprising: fan frame, the fan frame have an air intake vent and an air outlet；And one
A impeller above-mentioned, the impeller are rotatably disposed between the air intake vent and the air outlet.
Accordingly, the fan and its impeller of the utility model, using multiple arc shaped blade and first radial spacing with
The ratio of second radial spacing is 0.3~0.7, and the wind dispelling area of each arc shaped blade is increased, air quantity can be promoted
And the air-flow for ensuring that each arc shaped blade is screwed out is more unobstructed, and whereby, the flowing that can promote air-flow disengaging fan is smooth
Degree avoids the formation of flow-disturbing or generates the situation that wind cuts noise.
Wherein, the outer rim of each arc shaped blade can connect the top surface outer rim of the substrate.So, it can be ensured that two neighboring arc
Air-flow between blade can be screwed out along direction of rotation tangentially, have the effect of promoting airflow smooth degree.
Wherein, each arc shaped blade can have opposite a convex globoidal and a cancave cambered surface, and each arc shaped blade is by being somebody's turn to do
Convex globoidal is windward.In this way, having the effect of that reducing wind cuts noise.
Wherein, which can have a ringwall of the bottom surface for being connected to the substrate, and a magnetic part connects the ringwall.
In this way, can substantially reduce the radial width of whole impeller, and has the effect of simple structure and assembling convenience can be promoted.
Wherein, the radial line of the center in the connecting shaft portion to any one aforementioned arc shaped blade outer rim can pass through adjacent arcs
Between the inner edge and outer rim of shape blade.In this way, having the effect of promoting airflow smooth degree.
Wherein, which can protrude from the top surface of the substrate, and the outer peripheral surface in the connecting shaft portion is interior with each arc shaped blade
Edge has a third radial spacing, and the ratio of the third radial spacing and second radial spacing is 0.1~0.5.In this way, really
Each arc shaped blade is protected with enough length, has the effect of promoting airflow smooth degree.
Wherein, the inner edge of each arc shaped blade can be to being located in the air intake vent, and the inner edge of each arc shaped blade will not be connected to this
The outer peripheral surface in connecting shaft portion.In this way, having the effect of promoting airflow smooth degree.
Wherein, the center in the connecting shaft portion and the inner surface of the air intake vent can have the 4th radial spacing, this first
The ratio of radial spacing and the 4th radial spacing is 0.4 ~ 0.9.In this way, having the effect of promoting airflow smooth degree.
Detailed description of the invention
Fig. 1 is a kind of exploded perspective view of existing fan.
Fig. 2 is the impeller of the first embodiment of the utility model and the exploded perspective view of fan frame.
Fig. 3 is the top view of the impeller of the first embodiment of the utility model.
Fig. 4 is the line A-A sectional view along Fig. 3.
Fig. 5 is the top view of the fan of the first embodiment of the utility model.
Fig. 6 is the perspective view of the impeller of the second embodiment of the utility model.
Fig. 7 is the sectional view of the impeller of the second embodiment of the utility model.
Description of symbols
(the utility model)
1 wheel hub
11 top surfaces substrate 11a
The bottom surface 11b 11c outer rim
12 ringwall, 13 connecting shaft portion
131 outer peripheral surfaces
2 arc shaped blades
The inner edge 2a root edge 2b
21 convex globoidal of 2c outer rim
22 cancave cambered surfaces
3 magnetic parts
4 shafts
5 fan frames
5a the first framework 5b second framework
51 air intake vent, 511 inner surface
52 air outlets
The first radial spacing of D1
The second radial spacing of D2
D3 third radial spacing
The 4th radial spacing of D4
(prior art)
9 fans
9a impeller 9b stator
91 shaft of 9c central siphon
92 wheel hub, 93 flabellum.
Specific embodiment
To enable the above-mentioned and other purposes, feature and advantage of the utility model to be clearer and more comprehensible, hereafter spy enumerates this reality
With novel preferred embodiment, and cooperate attached drawing, be described in detail below:
The utility model directionality as described below or its approximate term, for example, "front", "rear", "left", "right", " on
(top) ", " under (bottom) ", "inner", "outside", " side " etc., mostly in reference to the direction of attached drawing, each side's tropism or its approximate term are only
To aid in illustrating and understand each embodiment of the utility model, not to limit the utility model.
It is a preferred embodiment of the impeller of the utility model comprising a wheel hub 1 and more shown in referring to figure 2.
A arc shaped blade 2, multiple arc shaped blade 2 are connected to 1 top of wheel hub.
Referring to figure 2., shown in Fig. 4, which has a substrate 11, which could be formed with opposite one
A top surface 11a and bottom surface 11b.The top surface 11a of the substrate 11 can be connected for multiple arc shaped blade 2.The wheel hub 1 can be with
A ringwall 12 with the bottom surface 11b for being connected to the substrate 11 a, so that magnetic part 3 to be connected to the interior table of the ringwall 12
Face；In the present embodiment, which can connect in the periphery of bottom surface 11b, and the ringwall 12 integrally formed can connect
Or assembly and connection bottom surface 11b, the magnetic part 3 then can connect in the inner ring of the ringwall 12.
In addition, the wheel hub 1 has a connecting shaft portion 13 positioned at the center of the substrate 11, this reality of the form in the connecting shaft portion 13
With novel without restriction, such as the connecting shaft portion 13 can be recessed with by the center of top surface 11a, by bottom surface 11b's
Center is extended with the connecting shaft portion 13 or directly forms the connecting shaft portion 13 by the center of the substrate 11, makes the connecting shaft portion
13 do not protrude top surface 11a or bottom surface 11b to be planar；In the present embodiment, the connecting shaft portion 13 selection protrudes from the base
The top surface 11a of plate 11 to assist shunting by the connecting shaft portion 13, and connects a shaft 4 by the connecting shaft portion 13, is somebody's turn to do with increasing
The contact area of wheel hub 1 and the shaft 4 allows the wheel hub 2 and the shaft 1 to consolidate combination.It illustrates, the wheel hub 1
With the connection type of the shaft 4, the wheel hub 1 of plastic cement material can be selected, combines the upper of the shaft 4 directly to project cladding
End；Alternatively, the wheel hub 1 of metal material can also be selected, so that close-fitting or laser welding combine the upper end of the shaft 4, this is practical
The generation type of the novel wheel hub 1 and the shaft 4 without restriction.
Multiple arc shaped blade 2 is located on the periphery in the connecting shaft portion 13, and the root edge 2a of each arc shaped blade 2 connects the substrate
11 top surface 11a, the inner edge 2b of each arc shaped blade 2 can choose the connecting shaft portion 13 that is not connected with, and the outer rim 2c of each arc shaped blade 2
Top surface 11a outer rim 11c that is preferable then selecting to connect the substrate 11.Each arc shaped blade 2 has an opposite convex globoidal 21 and one
A cancave cambered surface 22, the impeller can counterclockwise rotate to drive air-flow, meet each arc shaped blade 2 by the convex globoidal 21
Wind.
Referring to figure 2., shown in Fig. 3, the inner edge 2b of each arc shaped blade 2 and the center in the connecting shaft portion 13 have first diameter
To space D 1, first radial spacing D1 is preferably greater than zero, to ensure that the inner edge 2b of each arc shaped blade 2 will not be connected to the connecting shaft portion
13 center；And the center in the outer rim 2c of each arc shaped blade 2 and the connecting shaft portion 13 has a second radial spacing D2, and this
The ratio (D1/D2) of one radial spacing D1 and second radial spacing D2 is 0.3~0.7.And the inner edge of each arc shaped blade 2
2b and the outer peripheral surface 131 in the connecting shaft portion 13 can also have a third radial spacing D3, and third radial spacing D3 is preferably big
In zero, to ensure that the inner edge 2b of each arc shaped blade 2 will not be connected to the outer peripheral surface 131 in the connecting shaft portion 13, and the third radial spacing
The ratio (D3/D2) of D3 and second radial spacing D2 is preferably 0.1~0.5.In addition, the center in the connecting shaft portion 13 is to any one
Between the inner edge 2b and outer rim 2c that the radial line of a 2 outer rim 2c of aforementioned arc shaped blade passes through adjacent arc shaped blade 2.
Referring to figure 2., shown in Fig. 5, by aforementioned structure, which can allow and be used in a fan, which includes
One fan frame 5, the fan frame 5 have an air intake vent 51 and an air outlet 52, which is rotatably disposed in the fan frame 5,
And the impeller is located between the air intake vent 51 and the air outlet 52.In detail, which can have one first combined
A framework 5a and second framework 5b, first framework 5a are fixed on this using such as locking, being clamped, binding or heating mode
Second framework 5b, to promote the linking steady character between the first framework 5a and second framework 5b.The air intake vent 51 with
The air outlet 52 is located at first framework 5a, and the air intake vent 51 can be to the axial top for being located at the impeller, the air outlet 52
It then can be to the side for being located at the impeller；Wherein, the inner edge 2b of each arc shaped blade 2 makes each preferably to being located in the air intake vent 51
The part of arc shaped blade 2 can be exposed to the air intake vent 51 (as shown in Figure 5).In addition, the center in the connecting shaft portion 13 and the inlet air
The inner surface 511 of mouth 51 can have a 4th radial spacing D4, the first radial spacing D1 and the 4th radial spacing D4
Ratio (D1/D4) be preferably 0.4 ~ 0.9.
Accordingly, the fan of the utility model can be assembled in the systems such as vehicle air conditioning or ventilation equipment, when the impeller selects
It selects and rotates in a counter-clockwise direction to drive air-flow, each arc shaped blade 2 can be by its convex globoidal 21 windward, and air-flow is produced with rotation
Raw centrifugal force and can be screwed out along direction of rotation tangentially, and due to the first radial spacing D1 and second radial spacing
The ratio (D1/D2) of D2 is 0.3~0.7, can form longer air duct to increase the wind dispelling area of each arc shaped blade 2, thus
The contact area that air-flow Yu each arc shaped blade 2 can be increased can promote air quantity and ensure the gas that each arc shaped blade 2 is screwed out
Stream is more unobstructed, whereby, can promote the flowing smooth degree of air-flow disengaging fan, avoids the formation of flow-disturbing or generates wind and cuts noise
Situation.
It please refers to shown in Fig. 6, Fig. 7, is the second embodiment of the impeller of the utility model, the second of the utility model is real
The connecting shaft portion 13 for applying the impeller of example can not protrude from the top surface 11a of the substrate 11, make be at the top surface center 11a of the substrate 11
The flat condition of no concave-convex structure is to reduce flow-disturbing；Such as but without limitation, the connecting shaft portion 13 of the present embodiment can protrude from the substrate
11 bottom surface 11b supports the shaft 4 with firm, and the connecting shaft portion 13 is located in the axial range of the ringwall 12, makes the wheel hub 1
Whole axial height can be greatly reduced；Whereby, the shorter shaft 4 can be used and connect the connecting shaft portion 13, it can be into one
Step achievees the effect that reduce manufacturing cost.
In conclusion the impeller of the utility model, using multiple arc shaped blade and first radial spacing and this
The ratio of two radial spacings be 0.3~0.7, the wind dispelling area of each arc shaped blade is increased, can be promoted air quantity and
The air-flow for ensuring that each arc shaped blade is screwed out is more unobstructed, whereby, can promote the flowing smooth degree of air-flow disengaging fan, keep away
Exempt to form flow-disturbing or generates the situation that wind cuts noise.
It is noted that the approximation such as " in conjunction with " described in the utility model, " combination " or " assembling " term, mainly includes
It separates while component can not be still destroyed after connection, or the kenels that keep component inseparable etc. after connection；Such as to have threaded group
Part is screwed, is combined with adhesive tape or adhesive buckle band connection, with cotton rope binding, magnetic, buckle combines, with gluing conjunction or solder bond etc.
Connection type can be selected for tool usually intellectual in this field according to connected component material or assembling demand is intended to,
Therefore the utility model is not limited only to form disclosed in above-mentioned preferred embodiment.
Claims (9)
1. a kind of impeller characterized by comprising
One wheel hub has a connecting shaft portion positioned at the center of a substrate；And
Multiple arcs blade, is located on the periphery in the connecting shaft portion, and the root edge of each arc shaped blade connects the top surface of the substrate；
Wherein, the center in the connecting shaft portion and the inner edge of each arc shaped blade have first radial spacing, the center in the connecting shaft portion
There is second radial spacing with the outer rim of each arc shaped blade, the ratio of first radial spacing and second radial spacing is
0.3~0.7.
2. impeller as described in claim 1, which is characterized in that the outer rim of each arc shaped blade connects the top surface outer rim of the substrate.
3. impeller as described in claim 1, which is characterized in that each arc shaped blade is recessed with an opposite convex globoidal and one
Cambered surface, each arc shaped blade pass through the convex globoidal windward.
4. impeller as described in claim 1, which is characterized in that the wheel hub has a ring of the bottom surface for being connected to the substrate
Wall, a magnetic part connect the ringwall.
5. impeller as described in claim 1, which is characterized in that outside the center in the connecting shaft portion to any one aforementioned arc shaped blade
Between the inner edge and outer rim that the radial line of edge passes through adjacent arc shaped blade.
6. impeller as described in claim 1, which is characterized in that the connecting shaft portion protrudes from the top surface of the substrate, the connecting shaft portion
The inner edge of outer peripheral surface and each arc shaped blade has a third radial spacing, the third radial spacing and second radial spacing
Ratio is 0.1~0.5.
7. a kind of fan, comprising:
One fan frame, the fan frame have an air intake vent and an air outlet；And
Such as impeller described in any one of claims 1 to 6, which is characterized in that the impeller be rotatably disposed within the air intake vent with
Between the air outlet.
8. fan as claimed in claim 7, which is characterized in that the inner edge of each arc shaped blade to be located at the air intake vent in, each arc
The inner edge of shape blade will not be connected to the outer peripheral surface in the connecting shaft portion.
9. fan as claimed in claim 7, which is characterized in that the center in the connecting shaft portion and the inner surface of the air intake vent have one
The ratio of a 4th radial spacing, first radial spacing and the 4th radial spacing is 0.4 ~ 0.9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW107215529U TWM575480U (en) | 2018-11-15 | 2018-11-15 | Fan and impeller thereof |
| TW107215529 | 2018-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209324735U true CN209324735U (en) | 2019-08-30 |
Family
ID=66591944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821935452.9U Active CN209324735U (en) | 2018-11-15 | 2018-11-22 | Fan and fan wheel thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN209324735U (en) |
| TW (1) | TWM575480U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI775492B (en) * | 2021-06-15 | 2022-08-21 | 大陸商昆山廣興電子有限公司 | Fans and Fan Wheels |
-
2018
- 2018-11-15 TW TW107215529U patent/TWM575480U/en unknown
- 2018-11-22 CN CN201821935452.9U patent/CN209324735U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| TWM575480U (en) | 2019-03-11 |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |