CN207145323U - Fan blade assembly, fan and refrigerator - Google Patents
Fan blade assembly, fan and refrigerator Download PDFInfo
- Publication number
- CN207145323U CN207145323U CN201620749340.9U CN201620749340U CN207145323U CN 207145323 U CN207145323 U CN 207145323U CN 201620749340 U CN201620749340 U CN 201620749340U CN 207145323 U CN207145323 U CN 207145323U
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- fan blade
- fan
- intermediate connector
- blade 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.)
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- 239000000463 material Substances 0.000 claims abstract description 27
- 238000002347 injection Methods 0.000 claims description 32
- 239000007924 injection Substances 0.000 claims description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000004033 plastic Substances 0.000 abstract description 11
- 229920003023 plastic Polymers 0.000 abstract description 11
- 241000883990 Flabellum Species 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920001707 polybutylene terephthalate Polymers 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- -1 polybutylene terephthalate Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229920003247 engineering thermoplastic Polymers 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920000638 styrene acrylonitrile Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a fan blade subassembly, fan and refrigerator, wherein, fan blade subassembly includes flabellum structure (1) and is used for driving flabellum structure (1) pivoted pivot (2), and flabellum structure (1) forms in pivot (2) periphery through the mode of moulding plastics to become an organic whole with pivot (2) simultaneously. The scheme for realizing the connection of the fan blade structure and the rotating shaft in the injection molding mode can improve the bonding strength between the fan blade structure and the rotating shaft, so that the fan blade structure is fixed more firmly and reliably, and is not easy to loosen or fall off after long-term use; in addition, the connection of the fan blade structure can be simplified by the integral injection molding mode, and materials can be saved, so that the cost is reduced; in addition, the fan blade assembly is simple in machining process, production efficiency can be effectively improved, and labor intensity of assembly personnel is reduced.
Description
Technical field
It the utility model is related to household electrical appliance technical field, more particularly to a kind of fan blade component, fan and refrigerator.
Background technology
Need to circulate the air of inside during refrigerator work, specifically can be by the cooling air of fan flash-pot in future
Distribute to refrigerating chamber and refrigerating chamber.Fan is rotated by motor driven blade structure, to realize this function, it is necessary to by flabellum
The rotating shaft of structure and motor is fixedly connected.
A kind of fixing means of generally use is to enter rotating shaft riveting in the hole of casing, then casing is pressed into industry at present
It is molded in the spacing ring of fan blade, by casing and the dimensional fits of blade structure, rotating shaft is connected with blade structure by casing
Form integrative-structure.
But because shaft diameter is smaller in this fixed structure, riveting enter it is small with the bonded area of casing after casing, with reference to
Intensity is difficult to ensure that, is easily loosened after a long time use.And in order to realize more reliable connection, it is necessary to by rotating shaft and machine
Tight fit is designed between shell, between casing and blade structure, in processing except accurately to ensure hole axle fit precision,
Also need to design special frock auxiliary assembling, these factors make the processing technology of fan complicated, so as to cause manufacturing cost
It is higher.
Utility model content
The purpose of this utility model is to propose a kind of fan blade component, fan and refrigerator, it is possible to increase rotating shaft in fan blade component
With the bond strength of blade structure, and simplify fan blade component manufacturing process.
To achieve the above object, the utility model first aspect provides a kind of fan blade component, including blade structure and use
In the rotating shaft for driving the blade structure to rotate, the blade structure is formed by way of injection in the rotating shaft periphery, and
It is integrally formed simultaneously with the rotating shaft.
Preferably, in addition to intermediate connector, for making the rotating shaft noted by the intermediate connector in injection
Positioned in mould, one, and the centre are formed with the intermediate connector and the rotating shaft after the blade structure injection
Connector is between the blade structure and the rotating shaft.
Preferably, the intermediate connector is provided with mounting hole, and the rotating shaft is embedded in the mounting hole.
Preferably, the position coordinated with the intermediate connector of the rotating shaft is provided with annular knurl.
Preferably, one end of the rotating shaft is concordant with the end of the intermediate connector.
Preferably, the intermediate connector is stair-stepping column construction along own axes.
Preferably, the material of the intermediate connector is copper.
Preferably, the blade structure includes wheel hub and multiple fan blades, and multiple fan blades are located at the hub periphery, institute
State wheel hub and form one by being molded with the rotating shaft.
To achieve the above object, the utility model second aspect provides a kind of fan, including motor and above-described embodiment
Described fan blade component.
To achieve the above object, the utility model third aspect provides a kind of refrigerator, including described in above-described embodiment
Fan.
Based on above-mentioned technical proposal, fan blade component of the present utility model, blade structure is formed by the way of injection to be turned
Axle periphery, and be integrally formed simultaneously with rotating shaft.It is such a to realize that the scheme that blade structure is connected with rotating shaft by injection molding manner
Improve bond strength between the two, make the fixation of blade structure more solid and reliable, after long-term use fan blade do not allow
Easily occur to loosen or come off；Moreover, the mode of integrated injection molding can simplify the connection of blade structure, making for casing is eliminated
With material can be saved so as to reduce cost；In addition, such a fan blade component processing technology is simple, production can be effectively improved
Efficiency, and reduce the labor intensity of assembly crewman.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model improper
Limit.In the accompanying drawings：
Fig. 1 is the positive structure schematic of one embodiment of the utility model fan blade component；
Fig. 2 is the half section structure diagram of fan blade component shown in Fig. 1.
Embodiment
The utility model described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.
The each side so limited can combine with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially
It is, it is considered to be preferable or favourable any feature can be considered as preferable or favourable spy with other one or more
Sign combination.
In description of the present utility model, it is to be understood that the side of the instruction such as term " interior ", " outer ", "up" and "down"
Position or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model, rather than
Indicate or imply that signified device there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that
Limitation to scope of protection of the utility model.
In view of realizing that the scheme that blade structure is connected with rotating shaft is difficult to reach higher company by casing in the prior art
Intensity is connect, after long-term use it is possible that blade structure loosens or the problem of come off, and this fan component is assembling
When it is also complex, thus the utility model proposes a kind of improved fan blade component, with reference to figure 2, main improvement is to fan
Impeller structure 1 and the connected mode of rotating shaft 2.
In a kind of schematical embodiment, as depicted in figs. 1 and 2, fan blade component of the present utility model includes flabellum knot
Structure 1 and the rotating shaft 2 for driving blade structure 1 to rotate, rotating shaft 2 can be the axle of motor itself or be tied by connecting
The additional axle or axle sleeve being installed on motor shaft of structure, for example, attachment structure selection flat key, spline, pin or shaft coupling etc..Its
In, blade structure 1 is formed by way of injection in the periphery of rotating shaft 2, and is integrally formed simultaneously with rotating shaft 2, so as to eliminate
Assembling link to blade structure 1.
In injection, rotating shaft 2 can be positioned in injection mold first, rotating shaft 2 can directly position in injection mold
Or by other structures part indirect addressing, to ensure the perpendicularity between rotating shaft 2 and blade structure 1, the purpose of positioning is
Injection for blade structure 1 provides benchmark so that by the fan blade component of injection moulding integrated molding when rotating, reduces flabellum as far as possible
The degree of beat occurs for structure 1, so that the stress balance of fan blade component, improves the service life of fan blade component.Then it is being molded
Injected plastics material is placed on the top of equipment, and controls injection-moulding device to rise to default temperature range, and injected plastics material is melted and imported
With in the periphery of rotating shaft 2 formation blade structure 1 in injection mold.Molded after injected plastics material cooling, and by the fan blade of injection formed
Component takes out, that is, forms blade structure 1 and the rotating shaft 2 of integral type.
On the material of blade structure 1, meet fan requirement after forming blade structure 1 and flabellum knot can be formed by injection
The material of structure 1.Preferably PBT (polybutylene terephthalate (PBT)) material, PBT material are a kind of tough and tensile engineering thermoplastics
Material, there is excellent chemical stability, mechanical strength, electrical insulation characteristics and heat endurance.The material of other blade structure 1 is also
Can be that AS (styrene-acrylonitrile EVA), ABS (acrylonitrile-butadiene-styrene (ABS) plastics), PP (polypropylene) or PC are (poly-
Carbonic ester) material etc..
By illustrating the structure of the utility model embodiment and process illustrates, it is known that the wind of the embodiment
Leaf component at least possesses one of following advantage compared with prior art：
(1) fan blade component of prior art needs to be attached blade structure and rotating shaft using casing, and this practicality is new
Type by the way of blade structure 1 is formed in the outside integrated injection molding for the rotating shaft 2 made, directly by blade structure 1 with
Rotating shaft 2 is connected as one by the adhesion between injected plastics material in injection moulding process and rotating shaft 2, can simplify the company of blade structure
Connect, so as to save material to reduce material cost.
(2) rotating shaft and casing realize connection using tight fit in the fan blade component of prior art, due to rotating shaft and casing
Cooperation area is smaller, and bond strength is difficult to ensure that, easily loosens after a long time use.And embodiment of the present utility model will fan
Impeller structure 1 and rotating shaft 2 are connected as one by way of injection, and both can be more improved than tight fit by way of material combination
Between bond strength so that the fixation of blade structure 1 is more solid and reliable, be less likely to occur pine after long-term use
Move or come off, so as to improve reliability and the life-span that fan blade component uses.
(3) the fan blade component assembly technology of prior art is complicated, also there is higher requirement to machining accuracy.And this practicality is new
For the embodiment of type to the machining accuracy of part without strict demand, processing technology is simple, and the mode of integrated injection molding eliminates pair
The link that blade structure 1 is assembled, also avoid the need for assemble the frock clamp of blade structure 1 and design specialized, these
Factor can effectively improve production efficiency, and reduce processing and the labor intensity of assembly crewman.
On the basis of a upper embodiment, as further optimization, as shown in Fig. 2 fan blade component of the present utility model
Intermediate connector 3 is may also include, for making rotating shaft 2 be positioned by intermediate connector 3 in injection mold in injection, flabellum knot
One is formed with intermediate connector 3 and rotating shaft 2 after the injection of structure 1, and intermediate connector 3 is between blade structure 1 and rotating shaft 2.
In a kind of structure type, referring to Fig. 1 and Fig. 2, blade structure 1 includes wheel hub 11 and multiple fan blades 12, Duo Gefeng
Leaf 12 is located at the periphery of wheel hub 11, and wheel hub 11 forms one with rotating shaft 2 by being molded.From figure 2 it can be seen that formed by being molded
The wheel hub 11 of blade structure 1 be connected simultaneously with intermediate connector 3 and rotating shaft 2 so that whole fan blade component forms one.
The advantages of intermediate connector 3 are used in the embodiment is, sets intermediate connector 3 in the periphery of rotating shaft 2, quite
In adding outer circumferential area of the rotating shaft 2 at the position, not only it is easy to make rotating shaft 2 position in injection mold in injection, operates
It is convenient, but also positioning precision is easily guaranteed that, and the position of rotating shaft 2 is kept stable.Moreover, fan blade component can pass through flabellum
The material adhesion formed between structure 1 and rotating shaft 2 in injection and rotating shaft 2 and the cooperation common guarantee of intermediate connector 3
Bond strength, so as to improve reliability when fan blade component uses.
Preferably, intermediate connector 3 is provided with mounting hole 31, and rotating shaft 2 loads from one end of mounting hole 31, and is embedded and is pacifying
Fill in hole 31.For example, intermediate connector 3 is designed as to cylindrical or prismatic etc., axis of the mounting hole 31 along intermediate connector 3
Open up.Such a intermediate connector 3 is simple in construction, install convenient.In addition, as in the embodiment extended, intermediate connector 3 may be used also
To be analogous to the structure of scroll chuck.
Specifically, intermediate connector 3 is stair-stepping column construction along own axes.This structure can increase centre and connect
The surface area of the periphery of fitting 3, so as to increase the adhesion between blade structure 1 and intermediate connector 3.In the fan blade shown in Fig. 2
In component, intermediate connector 3 has the first cylinder being connected with each other and the second cylinder positioned at close motor side, the first cylinder
Diameter is more than the second cylinder, and the structure can prevent blade structure 1 from deviating to the side away from motor.
Because the diameter of rotating shaft 2 is smaller, in order to improve the adhesion between rotating shaft 2 and intermediate connector 3, at one preferably
Embodiment in, rotating shaft 2 with intermediate connector 3 coordinate position be provided with annular knurl, when mounted by 2 vertical riveting of rotating shaft enter install
In hole 31.Annular knurl is set to increase the frictional force of rotating shaft 2 and intermediate connector 3 in the embodiment, so that rotating shaft 2 and centre
Cooperation between connector 3 is closer, when the expanded by heating of intermediate connector 3 makes the increase of mounting hole 31 in follow-up injection moulding process
It is less likely to occur to loosen, and preferable bond strength can be also kept during long-term use.
Set location in rotating shaft 2 is needed according to blade structure 1, intermediate connector 3 can be arranged in rotating shaft 2 and closed
Suitable axial location.For a specific embodiment, as shown in Fig. 2 intermediate connector 3 is located at one of rotating shaft 2 away from motor
End, and the end of rotating shaft 2 is concordant with the end A of intermediate connector 3.Rotating shaft 2 can be connected by this mounting structure with centre
The component that part 3 is formed is easy to position when being put into injection mold, without additionally opening up hole in injection mold bottom surface to accommodate
Rotating shaft 2 exceeds the end face A of intermediate connector 3 part.
In the embodiment provided with intermediate connector 3, intermediate connector 3 can preferably select various metal materials.Example
Such as, the material of intermediate connector 3 is copper, and the fusing point of copper is high, is less likely to occur to deform when being heated in injection moulding process, and toughness
It is good, the embodiment of annular knurl is provided with especially for rotating shaft 2, the intermediate connector 3 being made of copper is more easily installed in rotating shaft 2
On.
In order that those skilled in the art can more clearly understand the manufacture method of the utility model fan blade component, below
It is described in detail by taking the fan blade component shown in Fig. 2 as an example.
(1) annular knurl is processed at the position coordinated with intermediate connector 3 of rotating shaft 2, rotating shaft 2 is filled from one end of mounting hole 31
Enter, it is preferable that make the end face A flushes of the one end of rotating shaft 2 away from motor and intermediate connector 3.
(2) component that rotating shaft 2 and intermediate connector 3 are formed is put into injection mold, and passes through the top in injection mold
Pin and guide pillar position to intermediate connector 3, so as to realize the positioning of countershaft 2.This positioning method being capable of abundant land productivity
Intermediate connector 3 is positioned with the ancillary structural member in injection mold, so as to correct the perpendicularity of rotating shaft 2, without extra
Design Orientation frock clamp, positioning process can be simplified, so as to cost-effective.
(3) injected plastics material is placed on the top of injection-moulding device, opens the power switch of injection-moulding device, control injection-moulding device liter
To default temperature range, injected plastics material is melted and imported in injection mold to form blade structure 1 in the periphery of rotating shaft 2.
Wherein, default temperature range needs to be set according to the fusing point of injected plastics material, for example, for PBT material, default temperature
Range set is between 225 °~275 °, so that injected plastics material swimmingly can be imported into injection mold after fully melting, from
And form blade structure 1 in the periphery of rotating shaft 2.For the fan blade component provided with intermediate connector 3, the injected plastics material after thawing can
Contacted simultaneously with the outer surface of intermediate connector 3 and rotating shaft 2.
(4) temperature can be reduced gradually after being molded, until after injected plastics material is cooled and shaped, open mould, and will by thimble
Fan blade component ejects, that is, obtains the injection fan blade component of integral type.
Secondly, the utility model additionally provides a kind of fan, including motor and the fan blade component described in the various embodiments described above.
Wherein, the rotating shaft 2 in fan blade component can be motor shaft or the axial workpiece being connected with motor shaft.Based on the wind above illustrated
The associated advantages of leaf component, fan of the present utility model also possess the advantages of corresponding, such as：The structure of such a fan simply may be used
Lean on, blade structure 1 and the bonding strength of rotating shaft 2 are high, are less likely to occur to damage after long-time use；Further, such a fan
Manufacturing process it is simple, production efficiency can be effectively improved, so as to reduce production cost.
Again, the utility model additionally provides a kind of refrigerator, including the fan described in above-described embodiment.The effect of fan is
The circulation of cooling air is realized, future, the cooling air of flash-pot distributed to refrigerating chamber and refrigerating chamber, so that refrigerator reaches
To preferable refrigeration.Refrigerator of the present utility model is as a result of the higher fan of bonding strength between each part, thus
Refrigerator blade structure of fan during use is not easy to loosen, and can operationally keep less noise, Er Qiefeng
Fan be less likely to occur to damage, the service life of refrigerator can be improved, at the same can reduce because repair or change spent by fan into
This.In addition, the refrigerator can further reduce the manufacture of refrigerator as a result of the relatively simple fan of structure and manufacturing process
Cost.
A kind of fan blade component, fan and refrigerator provided by the utility model are described in detail above.Herein
Apply specific embodiment to be set forth principle of the present utility model and embodiment, the explanation of above example is
It is used to help understand method and its core concept of the present utility model.It should be pointed out that the ordinary skill people for the art
For member, on the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model, this
A little improvement and modification are also fallen into the protection domain of the utility model claims.
Claims (10)
1. a kind of fan blade component, it is characterised in that rotated including blade structure (1) and for driving the blade structure (1)
Rotating shaft (2), the blade structure (1) are formed by way of injection in the rotating shaft (2) periphery, and simultaneously with the rotating shaft
(2) it is integrally formed.
2. fan blade component according to claim 1, it is characterised in that also including intermediate connector (3), in injection
The rotating shaft (2) is positioned by the intermediate connector (3) in injection mold, after the blade structure (1) injection with institute
State intermediate connector (3) and the rotating shaft (2) and form one, and the intermediate connector (3) be located at the blade structure (1) and
Between the rotating shaft (2).
3. fan blade component according to claim 2, it is characterised in that the intermediate connector (3) is provided with mounting hole
(31), the rotating shaft (2) is embedded in the mounting hole (31).
4. fan blade component according to claim 3, it is characterised in that the rotating shaft (2) with the intermediate connector (3)
The position of cooperation is provided with annular knurl.
5. fan blade component according to claim 2, it is characterised in that one end of the rotating shaft (2) and the middle connection
The end of part (3) is concordant.
6. fan blade component according to claim 2, it is characterised in that the intermediate connector (3) is rank along own axes
The column construction of scalariform.
7. fan blade component according to claim 2, it is characterised in that the material of the intermediate connector (3) is copper.
8. fan blade component according to claim 1, it is characterised in that the blade structure (1) includes wheel hub (11) and more
Individual fan blade (12), multiple fan blades (12) are located at the wheel hub (11) periphery, and the wheel hub (11) passes through with the rotating shaft (2)
Injection forms one.
9. a kind of fan, it is characterised in that including any described fan blade component of motor and the claims 1~8.
10. a kind of refrigerator, it is characterised in that including the fan described in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620749340.9U CN207145323U (en) | 2016-07-15 | 2016-07-15 | Fan blade assembly, fan and refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620749340.9U CN207145323U (en) | 2016-07-15 | 2016-07-15 | Fan blade assembly, fan and refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207145323U true CN207145323U (en) | 2018-03-27 |
Family
ID=61657654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620749340.9U Active CN207145323U (en) | 2016-07-15 | 2016-07-15 | Fan blade assembly, fan and refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207145323U (en) |
-
2016
- 2016-07-15 CN CN201620749340.9U patent/CN207145323U/en active Active
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