CN2842024Y - Fan rotor - Google Patents
Fan rotor Download PDFInfo
- Publication number
- CN2842024Y CN2842024Y CN 200520061405 CN200520061405U CN2842024Y CN 2842024 Y CN2842024 Y CN 2842024Y CN 200520061405 CN200520061405 CN 200520061405 CN 200520061405 U CN200520061405 U CN 200520061405U CN 2842024 Y CN2842024 Y CN 2842024Y
- Authority
- CN
- China
- Prior art keywords
- wheel hub
- fan propeller
- frame
- hole
- strengthening structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a fan rotor which comprises a frame, and a plurality of blades and a wheel hub which are arranged on the frame, wherein the frame comprises a first frame and a second frame; the blades are arranged between the first frame and the second frame; the wheel hub comprises a wall part, and an open end and a closed end which are positioned at both sides of the wall part. A reinforced structure is arranged at the closed end of the wheel hub, so the fan rotor is prevented from being deformed when the fan rotor is formed by injection moulding.
Description
[technical field]
The utility model is about a kind of fan propeller, particularly about a kind of fan propeller of tool strengthening structure.
[background technique]
As shown in Figure 1, the rotor of centrifugal cutter generally comprises the wheel hub 6 that the framework 2 of a circle, some flabellums 4 and of being located at these framework 2 peripheries are positioned at these framework 2 middle parts, this wheel hub 6 comprises the 6a of wall portion of an annular and is formed at opening end of this wall portion 6a two opposite ends (figure does not show) and closed end 6b, wherein this closed end 6b connects a rotating shaft to the opening end extension (figure does not show), this rotating shaft is used for rotation and supports this fan propeller, makes between the stator of rotor and fan to relatively rotate.
This fan propeller generally adopts mode machine shapings such as molding and forming, molding and forming is that plastics are put into barrel, through heating plasticizing, make it become full-bodied fluid and be " solution ", then with plunger or screw rod as pressurizing tool, make solution inject the die cavity of mould with higher pressure by nozzle, through supercooling, solidification stages, then utilize plastics part after thimble will solidify by ejecting in the mould, after deburring, operation such as eliminate stress, obtain required plastic article.
The said fans rotor adds man-hour, thimble generally moves to closed end 6b along the opening end of wheel hub 6, gently with this fan propeller by ejecting in the mould, this ejects in the process, thimble is to the active force of wheel hub 6, the closed end 6b that can make wheel hub 6 is to the direction generation plastic deformation away from opening end, even the closed end 6b of wheel hub 6 outwards protrudes; In addition, in cooling, in the solidification stages, because plastics solidification shrinks the effect of the internal stress that produces, can make the outside protrusion of closed end 6b of wheel hub 6 or inwardly shrink and produce plastic deformation, these distortion meetings cause harmful effect to fan performance.
[summary of the invention]
The problem of easy deformation illustrates a kind of fan propeller with strengthening structure with embodiment below during for the moulding of solution said fans rotor, and this strengthening structure can prevent the distortion of fan propeller when molding and forming.
This fan propeller comprises framework and is located at some flabellums and wheel hub on the framework, this framework comprises first frame and second frame, these flabellums are located between this first frame and second frame, this wheel hub comprises a wall portion and is positioned at the opening end and the closed end of these wall portion both sides that this wheel hub is provided with a strengthening structure at closed end.
This fan propeller is in forming process, since the obstruction of strengthening structure, the amount of deformation of the wheel hub closed end distortion that the internal stress that produces in the time of can suitably reducing owing to plastics solidification causes; This strengthening structure can be shared the part moment that thimble acts on the wheel hub closed end, thereby the moment owing to thimble acts on the wheel hub distortion that causes on the wheel hub separately when reducing to eject.Reducing of these amount of deformation makes the closed end of the wheel hub of the fan propeller that processes have planeness preferably, and the performance during to the raising fan running produces beneficial effect.
[description of drawings]
Be further described in conjunction with the embodiments with reference to the accompanying drawings:
Fig. 1 is the stereogram of an associated fan rotor;
Fig. 2 is the utility model fan propeller first embodiment's a plan view;
Fig. 3 is the phantom of Fig. 2;
Fig. 4 is this fan propeller of the utility model second embodiment's a schematic representation;
Fig. 5 is this fan propeller of the utility model the 3rd embodiment's a schematic representation.
[embodiment]
As shown in Figures 2 and 3, the utility model fan propeller 10 comprises a framework 12, is located at some flabellums 14 of framework 12 peripheries and is positioned at the wheel hub 16 at framework 12 middle parts.
This framework 12 comprises circular first and second frame 12a, 12b by injection molding.This second frame 12b is parallel to the first frame 12a and keeps at a certain distance away with the first frame 12a, and these some flabellums 14 are set up between the first frame 12a and the second frame 12b, connects this two frame 12a, 12b as a whole.This wheel hub 16 has the 16a of wall portion of an annular and is positioned at the closed end 16b and the opening end 16c of the 16a of this wall portion two opposite sides.Wherein, this closed end 16b is provided with some gussets 17 between this opening end 16c and the first frame 12a near the second frame 12b, strengthening the intensity of this first frame 12a, and being connected as wheel hub 16 and the first frame 12a.The closed end 16b of this wheel hub 16 connects a rotating shaft to opening end 16c extension, and this rotating shaft is used to be placed in the bearing (figure does not show) of fan, and fan propeller 10 can freely be rotated in this bearing.
The closed end 16b of this wheel hub 16 is a strengthening structure of being made than the material of plasticity height by compressive strength such as metals, as a plate body 19.This plate body 19 is provided with some through holes, and these through holes comprise the first through hole 19a that is positioned at plate body 19 middle parts and are uniformly distributed in this first through hole 19a second through hole 19b and third through-hole 19c on every side.19a is corresponding with the position of the rotating shaft of fan propeller 10 for this first through hole, the positioning hole when intake port when can be used as cast or moulding.Positioning hole when intake port when this second through hole 19b and third through-hole 19c are respectively cast and moulding, thimble position when its position can cooperate mold design is allocated, thimble and this second and third through hole 19b, 19c are provided with at interval, and the point of action of thimble is uniformly distributed near the 16a of wall portion of wheel hub 16.Because the point of action of thimble is uniformly distributed near the 16a of wall portion of wheel hub 16, makes the moment that thimble acts on the wheel hub 16 when ejecting this fan propeller 10 in the mould less, and make this wheel hub 16 stressed evenly; This plate body 19 can be shared thimble and act on part moment on the wheel hub 16, further reduces the active force that wheel hub 16 is subjected to, the amount of deformation that reduces to reduce wheel hub 16 of this active force.This second and third through hole 19b, 19c and thimble are provided with at interval, make the point of action of thimble simultaneously corresponding with wheel hub 16 and plate body 19, and this plate body 19 can increase the resistance to deformation intensity of wheel hub 16.The increase of resistance to deformation intensity of wheel hub 16 and reducing of amount of deformation, the moment that can effectively reduce thimble when reinforced structure is not set act on separately on the wheel hub 16 and wheel hub 16 distortion that cause.
The axial cross section of this third through-hole 19c is trapezoidal, and the width of this third through-hole 19c is increased to the direction away from wheel hub 16 gradually by wheel hub 16.Contain plastics in this third through-hole 19c, be formed with joint 16d at wheel hub 16 tops, the plate body 19 around these joints 16d and the through hole leans, and can prevent that plate body 19 is by coming off on the wheel hub 16.
During moulding, this plate body 19 and rotating shaft are located in the mould in advance, along in the first through hole 19a and the die cavity of the second through hole 19b with the plastics injection mould of fusion of plate body 19, the cooling back forms this fan propeller 10 then.In cooling procedure, because the inhibition of plate body 19, the effect of the internal stress that produces in the time of can suitably reducing owing to plastics solidification causes the amount of deformation of wheel hub 16 closed end 16b distortion; This plate body 19 can be shared the part moment that thimble acts on wheel hub 16 closed end 16b, thereby the moment owing to thimble acts on wheel hub 16 distortion that cause on the wheel hub 16 separately when reducing to eject.Reducing of these amount of deformation makes the closed end 16b of the wheel hub 16 of the fan propeller 10 that processes have planeness preferably, and the performance during to the raising fan running produces beneficial effect.
Present embodiment also can be by changing plate body 19 itself quality and the counterweight mode of density, the position of barycenter when changing these fan propeller 10 runnings, the barycenter of this fan propeller 10 is moved to the direction near wheel hub 16 closed end 16b, thereby the point of contact on rotating shaft and bearing top is moved to the direction near wheel hub 16 closed end 16b, beat amount when reducing fan propeller 10 runnings, has smoothness preferably when making fan propeller 10 runnings, in other words, present embodiment need not bearing is extended, can utilize the counterweight mode to make fan propeller 10 running stably in bearing, noise when reducing fan running, and prolong working life of bearing.
In the present embodiment, the corresponding adjustment can be done according to actual conditions in the quantity of these through holes and position, only needs to guarantee to be provided with on this plate body 19 hole, certain at least position.The axial cross section of this positioning hole also can be down other shapes such as " protruding " shape, del, only needs to guarantee that the radial width of this positioning hole of at least a portion is greater than the radial width of this positioning hole near wheel hub 16 parts.
Strengthening structure of the present utility model also can be other form: embodiment as shown in Figure 4, this strengthening structure comprises a plate body 19 ' and along some reinforcing steel 19b ' of this radial extension in plate body 19 ' center.This plate body 19 ' middle part offer a through hole 19a ', the intake port when positioning hole with as moulding time the and cast; As shown in Figure 5, this strengthening structure is the reinforcing steel 19c ' of some cross arrangements, and the free end of these reinforcing steels 19c ' can be provided with barb etc., with realize this reinforcing steel 19c ' and wheel hub 16 ' be connected.
Claims (10)
1. a fan propeller comprises wheel hub and some flabellums, and these flabellums are located at around the wheel hub, it is characterized in that: this wheel hub is provided with strengthening structure.
2. fan propeller as claimed in claim 1 is characterized in that: this strengthening structure is made than the material of plasticity height by compressive strength.
3. fan propeller as claimed in claim 1 is characterized in that: this wheel hub comprises a wall portion and is located at the closed end and the opening end of these wall portion two opposite sides that this strengthening structure is located at the closed end of wheel hub.
4. fan propeller as claimed in claim 1 is characterized in that: this rotor comprises that also one is provided with the framework of first frame and second frame, and these flabellums are located between this first frame and second frame.
5. fan propeller as claimed in claim 1 is characterized in that: at least one through hole is set on this strengthening structure, and this rotor comprises the joint that is placed in this through hole.
6. fan propeller as claimed in claim 5 is characterized in that: the radial width of this through hole of at least a portion is greater than the radial width of this through hole near hub portion.
7. fan propeller as claimed in claim 6 is characterized in that: being shaped as down trapezoidal or falling " protruding " shape or del of this through hole axial cross section.
8. fan propeller as claimed in claim 6 is characterized in that: this strengthening structure comprises a plate body, and this at least one through hole is located on this plate body.
9. fan propeller as claimed in claim 8 is characterized in that: this strengthening structure also comprises by the extended plurality of strengthening ribs of plate body.
10. fan propeller as claimed in claim 1 is characterized in that: this strengthening structure comprises some stiffening ribs arranged in a crossed manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520061405 CN2842024Y (en) | 2005-07-08 | 2005-07-08 | Fan rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520061405 CN2842024Y (en) | 2005-07-08 | 2005-07-08 | Fan rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2842024Y true CN2842024Y (en) | 2006-11-29 |
Family
ID=37445908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520061405 Expired - Lifetime CN2842024Y (en) | 2005-07-08 | 2005-07-08 | Fan rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2842024Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966594A (en) * | 2012-11-27 | 2013-03-13 | 海信（北京）电器有限公司 | Centrifugal fan, centrifugal blower and air-cooling type refrigeration equipment |
| CN102996506A (en) * | 2012-11-28 | 2013-03-27 | 李起武 | Fan |
| CN108799197A (en) * | 2018-05-31 | 2018-11-13 | 珠海格力精密模具有限公司 | Fan blade structure, air conditioner and fan blade structure detection method |
| CN111237248A (en) * | 2018-11-28 | 2020-06-05 | 台达电子工业股份有限公司 | Fan impeller |
-
2005
- 2005-07-08 CN CN 200520061405 patent/CN2842024Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102966594A (en) * | 2012-11-27 | 2013-03-13 | 海信（北京）电器有限公司 | Centrifugal fan, centrifugal blower and air-cooling type refrigeration equipment |
| CN102996506A (en) * | 2012-11-28 | 2013-03-27 | 李起武 | Fan |
| CN108799197A (en) * | 2018-05-31 | 2018-11-13 | 珠海格力精密模具有限公司 | Fan blade structure, air conditioner and fan blade structure detection method |
| CN108799197B (en) * | 2018-05-31 | 2024-05-07 | 珠海格力精密模具有限公司 | Fan blade structure, air conditioner and method for detecting fan blade structure |
| CN111237248A (en) * | 2018-11-28 | 2020-06-05 | 台达电子工业股份有限公司 | Fan impeller |
| CN114738315A (en) * | 2018-11-28 | 2022-07-12 | 台达电子工业股份有限公司 | Fan impeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150708 Granted publication date: 20061129 |
|
| EXPY | Termination of patent right or utility model |