CN203856768U - Fan blade and fan - Google Patents
Fan blade and fan Download PDFInfo
- Publication number
- CN203856768U CN203856768U CN201420217045.XU CN201420217045U CN203856768U CN 203856768 U CN203856768 U CN 203856768U CN 201420217045 U CN201420217045 U CN 201420217045U CN 203856768 U CN203856768 U CN 203856768U
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- CN
- China
- Prior art keywords
- flabellum
- link
- fan blade
- wheel hub
- leaf
- 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
Links
- 241000883990 Flabellum Species 0.000 claims description 114
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fan blade and a fan. The fan blade comprises a hub, a plurality of fan blade bodies arranged on the side wall of the hub, a first connection piece and a second connection piece, the first connection piece and the second connection piece are arranged corresponding to the fan blade bodies. One end of the first connection piece and one end of the second connection piece are connected with the fan blade bodies, the other end of the first connection piece and the other end of the second connection piece are detachably connected with the hub. The side wall of the hub is provided with an installation area for corresponding installation of each fan blade body, the installation area is provided with a positioning hole used for fixing the position of the first connection piece and at least two adjusting holes used for adjusting the position of the second connection piece, and when the first connection piece is arranged in the positioning hole and the second connection piece is arranged in the adjusting hole corresponding to the fixed position, the axial angles of the fan blade bodies and the hub are identical. According to the fan blade, the angles of the fan blade bodies are adjustable, and it can be guaranteed that the angles of the fan blade bodies are basically identical after being adjusted.
Description
Technical field
The utility model relates to blower fan field, particularly a kind of fan blade and blower fan.
Background technique
The fan blade that tradition axial-flow blower is used generally adopts molding and forming or plate stamping moulding.
Wherein, the fan blade of molding and forming, its flabellum and wheel hub are structure as a whole, and this fan blade flabellum is relative with wheel hub angle fixing, during use, can not regulate according to actual needs, and therefore, practicability is poor.
The fan blade of plate stamping moulding, its flabellum and wheel hub are Split type structure, wherein, flabellum is by connecting sheet, rivet and is bolted on wheel hub, fixing after, each flabellum of fan blade and the axial angle of wheel hub are also fixed, and can not arbitrarily regulate.When needs regulate air quantity, often need on wheel hub, again punch and change the setting angle of flabellum or change motor, bother very much, and after regulating, be difficult to guarantee that the angle between each flabellum is consistent.
Model utility content
Main purpose of the present utility model is for providing a kind of fan blade and blower fan, is intended to realize fan blade angles and facilitates adjustablely, and guarantees that each fan blade angles is basically identical after adjusting.
To achieve these goals, the utility model proposes a kind of fan blade, this fan blade comprises wheel hub, a plurality of flabellum on described wheelboss side wall, the first link and second link of setting corresponding to flabellum described in each of being arranged on; One end of described the first link and the second link is connected with described flabellum, and the other end and described wheel hub removably connect; The sidewall of described wheel hub is provided with the mounting zone that each flabellum is installed for correspondence, and described mounting zone is provided with for the positioning hole of fixing described the first link position and for regulating at least two adjustment holes of the second link position; Described the first link is located in described positioning hole, and when described the second link is located in the described adjustment hole of corresponding fixed position, described in each, flabellum is consistent with the axial angle of described wheel hub.
Preferably, described the first link and the second link are double-screw bolt, and are fixedly connected with described flabellum.
Preferably, described the first link and the second link are bolt, one end that described flabellum is relative with the first link is provided with and described the first link the first adaptive screw that is spirally connected, and one end that described flabellum is relative with described the second link is provided with and be spirally connected the second screw of adaptation of described the second link.
Preferably, adjustment hole is positioned at and take on the same circumference that described positioning hole is the center of circle described in each in same mounting zone, and described in adjacent two, adjustment hole partially overlaps.
Preferably, leaf that one end of described flabellum length direction is described flabellum is first, described flabellum length direction and the leaf tail that is described flabellum with the right one end of described leaf prime minister, and the thickness of described flabellum length direction successively decreases gradually from its leaf head to leaf tail; The thickness of described flabellum width direction, by mind-set both sides successively decrease gradually.
Preferably, the curved in the longitudinal direction setting of described flabellum.
Preferably, the leaf head of described flabellum is provided with projection.
Preferably, described projection is located in the side of described flabellum projection.
Preferably, described projection is that bottom is four square rib centrums, and the bottom of described centrum is connected with described flabellum, and the top of described centrum is away from described flabellum.
Further, to achieve these goals, the utility model also proposes a kind of blower fan, comprises fan blade as above, and this fan blade comprises wheel hub, a plurality of flabellum on described wheelboss side wall, the first link and second link of setting corresponding to flabellum described in each of being arranged on; One end of described the first link and the second link is connected with described flabellum, and the other end and described wheel hub removably connect; The sidewall of described wheel hub is provided with the mounting zone that each flabellum is installed for correspondence, and described mounting zone is provided with for the positioning hole of fixing described the first link position and for regulating at least two adjustment holes of the second link position; Described the first link is located in described positioning hole, and when described the second link is located in the described adjustment hole of corresponding fixed position, described in each, flabellum is consistent with the axial angle of described wheel hub.
The utility model is by arranging the first link and the second link, each flabellum and wheel hub are connected and fixed respectively, wherein, each flabellum is a corresponding mounting zone on wheel hub, and described mounting zone is provided with for the positioning hole of fixing described the first link position and for regulating at least two adjustment holes of the second link position; Described the first link is located in described positioning hole, when described the second link is located in the described adjustment hole of corresponding fixed position, described in each, flabellum is consistent with the axial angle of described wheel hub, therefore, the angle that has not only realized flabellum is adjustable, and has guaranteed that the angle after each flabellum regulates is basically identical.
Accompanying drawing explanation
Fig. 1 is the utility model fan blade one embodiment's structural representation;
Fig. 2 is another angle structural representation of Fig. 1;
Fig. 3 is the structural representation of wheel hub in the fan blade shown in Fig. 1;
Fig. 4 is the structural representation of flabellum in the fan blade shown in Fig. 1.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model proposes a kind of fan blade, be applicable to various fans and blower fan, referring to figs. 1 through Fig. 4, in one embodiment, this fan blade comprises wheel hub 10 and a plurality of flabellum 20 being arranged on described wheel hub 10 sidewalls, and described flabellum 20 can circumferentially setting gradually along described wheel hub 10.Wherein, wheel hub 10 is cylindrical, and the shapes of flabellum 20 itself are not limit, but it is consistent to be arranged on the shape of each flabellum 20 on same wheel hub 10.
And, described fan blade also comprises the first link 31 and second link 32 of setting corresponding to flabellum described in each 20, one end of described the first link 31 and the second link 32 is connected with described flabellum 20, and the other end and the described wheel hub 10 of described the first link 31 and the second link 32 removably connect; The sidewall of described wheel hub 10 is provided with the mounting zone that each flabellum 20 is installed for correspondence, described mounting zone is provided with for the positioning hole 11 of fixing described the first link 31 positions and for regulating at least two adjustment holes 12 of the second link 32 positions, should be understood that, relative distance between two adjustment holes 12 in same mounting zone is not limit, but relative distance between two adjustment holes 12 in each mounting zone should be corresponding; Described the first link 31 is located in described positioning hole 11, and when described adjustment hole 12 that described the second link 32 is located at corresponding fixed position is interior, described in each, flabellum 20 is consistent with the axial angle of described wheel hub 10.
In the present embodiment, described the first link 31 and the second link 32 can be double-screw bolt or bolt, wherein,
When described the first link 31 and the second link 32 are double-screw bolt, can be to be threaded with flabellum 20, or be fixedly connected with flabellum 20, in the present embodiment, preferably described the first link 31 and the second link 32 are fixedly installed on flabellum 20, to guarantee the join strength of flabellum 20 and the first link 31 and the second link 32.Wherein, when the first link 31 and the second link 32 respectively correspondence be inserted into positioning hole 11 and adjustment hole 12 when interior, by one end of passing from positioning hole 11 at the first link 31 nut 33 of screwing on, and one end of passing from adjustment hole 12 at the second link 32 nut 33 of screwing on, thereby flabellum 20 is fixedly connected with wheel hub 10.
When described while being bolt, need to be provided with in described flabellum 20 one end relative with the first link 31 and described the first link 31 adaptive the first screw (scheming not shown) that is spirally connected, one end that described flabellum 20 is relative with described the second link 32 is provided with and be spirally connected second screw (scheming not shown) of adaptation of described the second link 32.During installation, first by the threaded end of the first link 31 from positioning hole 11 described in the internal alignment of wheel hub 10, and by the threaded end of the second link 32 from adjustment hole 12 described in the internal alignment of wheel hub 10, and pass described positioning hole 11 at described the first link 31, and described the second link 32 is through after described adjustment hole 12, again the first link 31 and the second link 32 are spirally connected mutually with the first screw and the second screw corresponding on flabellum 20, to realize, flabellum 20 are fixedly connected with wheel hub 10.
In addition, it should be noted that, in the present embodiment, can the shape of adjustment hole 12 described in each in each mounting zone be arranged identical, and the setting position on wheel hub 10 is corresponding by adjustment hole 12 described in each in each mounting zone, and described in each, adjustment hole 12 equates with the pitch-row of described positioning hole 11, so that be located in described positioning hole 11 at described the first link 31, when described adjustment hole 12 that described the second link 32 is located at corresponding fixed position is interior, described in each, flabellum 20 is consistent with the axial angle of described wheel hub 10.
The fan blade the utility model proposes, by the first link 31 and the second link 32 are set, each flabellum 20 is connected and fixed respectively with wheel hub 10, wherein, each flabellum 20 is a corresponding mounting zone on wheel hub 10, and described mounting zone is provided with for the positioning hole 11 of fixing described the first link 31 positions and for regulating at least two adjustment holes 12 of the second link 32 positions; Described the first link 31 is located in described positioning hole 11, when described adjustment hole 12 that described the second link 32 is located at corresponding fixed position is interior, described in each, flabellum 20 is consistent with the axial angle of described wheel hub 10, therefore, the angle that has not only realized flabellum 20 is adjustable, and has guaranteed that the angle after each flabellum 20 regulates is basically identical.
Based on above-described embodiment and with reference to Fig. 3, at this further in embodiment, the precision regulating in order to improve fan blade angles, adjustment hole 12 is positioned at and take on the same circumference that described positioning hole 11 is the center of circle described in each in same mounting zone, and described in adjacent two, adjustment hole 12 partially overlaps.For example, when described adjustment hole 12 is the identical manhole of diameter, the distance of center circle that adjacent two adjustment holes 12 can be set is greater than the radius of described adjustment hole 12, and is less than the diameter of adjustment hole 12, with adjustment hole 12 described in realizing adjacent two, partially overlaps.Should be understood that, when adjustment hole 12 described in adjacent two partially overlaps, and the second link 32 is changed to next adjustment hole 12 fixedly time from a upper adjustment hole 12, if described next adjustment hole 12 is far away with the relative position distance of a described upper adjustment hole 12, the axial angle of flabellum 20 and wheel hub 10 changes greatly, and if described next adjustment hole 12 is very near with the relative position distance of a described upper adjustment hole 12, the axial angle of flabellum 20 and wheel hub 10 changes less.
Further, with reference to Fig. 2 and Fig. 4, in order to improve the toughness of flabellum 20, prevent that flabellum 20 from damaging in fast rotational, in the present embodiment, one end of described flabellum 20 length directions is the first a of the leaf of described flabellum 20, and the first a of leaf of this flabellum 20 is used for installing the first link 31 and the second link 32.Described flabellum 20 length directions and one end relative with the first a of described leaf are the leaf tail b of described flabellum 20, and the thickness of described flabellum 20 length directions successively decreases gradually from the first a of its leaf to leaf tail b; The thickness of described flabellum 20 width directions, by mind-set both sides successively decrease gradually.Well known to those skilled in the art, no matter be to adopt molding and forming or the axial-flow leaf of stamping process moulding, thickness and the hardness of its flabellum 20 are basically identical.Be understandable that, fan blade is when stressed rotation, the stressed degree at its flabellum 20 each positions can be different, therefore, when flabellum 20 is during in high static pressure, high rotation speed operation, if thickness and the hardness of flabellum 20 are basically identical, the deformation degree that will make stressed more position produce is greater than the position that other stressed degree are less, then causes the intersection of flabellum 20 at stressed overweight position and the stressed position kicking the beam to occur the danger of injured or fracture.And in the present embodiment, thick by the main stressed part of flabellum 20 is done, make thicker part after stressed, basically identical with the deformation degree that the thinner part of flabellum 20 produces, make flabellum 20 easy damaged not at work, thereby improved the quality of flabellum 20.
Further, with reference to Fig. 2 and Fig. 4, the wind-force producing when rotated for increasing flabellum 20, the curved in the longitudinal direction setting of described flabellum 20.
Further, with reference to Fig. 2 and Fig. 4, for strengthening the intensity of the first a of flabellum 20 leaves, the first a of leaf of described flabellum 20 is provided with projection 40.Understandable, the arranging of this projection 40 increased the thickness of the first a of flabellum 20 leaves, thus the strong intensity of the first a of flabellum 20 leaves, simultaneously also convenient the first link 31 and the second link 32 of arranging.
Further, with reference to Fig. 2 and Fig. 4, described projection 40 can be arranged on the one side of described flabellum 20, also can be arranged on the two sides of described flabellum 20.Due to the curved setting of described flabellum 20, for the convenient flabellum 20 of installing, described projection 40 is arranged in the side of described flabellum 20 projections.
In the present embodiment, the shape of described projection 40 can be the shapes such as cuboid or square body, certainly can also be other shapes in other embodiments, for example, described projection 40 is that bottom is four square rib centrums, the bottom of described centrum is connected with described flabellum 20, and the top of described centrum is away from described flabellum 20.
The utility model also proposes a kind of blower fan, comprises fan blade as above, and the detailed structure of described fan blade can, with reference to above-described embodiment, repeat no more herein.Owing to having used above-mentioned fan blade in the utility model blower fan, therefore, the angle that the utility model blower fan has been realized flabellum facilitates adjustable, and can guarantee that the angle of each flabellum is basically identical after adjusting.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a fan blade, comprise wheel hub and a plurality of flabellum being arranged on described wheelboss side wall, it is characterized in that, the first link and the second link that also comprise setting corresponding to flabellum described in each, one end of described the first link and the second link is connected with described flabellum, and the other end and described wheel hub removably connect; The sidewall of described wheel hub is provided with the mounting zone that each flabellum is installed for correspondence, and described mounting zone is provided with for the positioning hole of fixing described the first link position and for regulating at least two adjustment holes of the second link position; Described the first link is located in described positioning hole, and when described the second link is located in the described adjustment hole of corresponding fixed position, described in each, flabellum is consistent with the axial angle of described wheel hub.
2. fan blade as claimed in claim 1, is characterized in that, described the first link and the second link are double-screw bolt, and is fixedly connected with described flabellum.
3. fan blade as claimed in claim 1, it is characterized in that, described the first link and the second link are bolt, one end that described flabellum is relative with the first link is provided with and described the first link the first adaptive screw that is spirally connected, and one end that described flabellum is relative with described the second link is provided with and be spirally connected the second screw of adaptation of described the second link.
4. fan blade as claimed in claim 1, is characterized in that, adjustment hole is positioned at and take on the same circumference that described positioning hole is the center of circle described in each in same mounting zone, and described in adjacent two, adjustment hole partially overlaps.
5. the fan blade as described in claim 1-4 any one, it is characterized in that, one end of described flabellum length direction is that the leaf of described flabellum is first, described flabellum length direction and the leaf tail that is described flabellum with the right one end of described leaf prime minister, the thickness of described flabellum length direction successively decreases gradually from its leaf head to leaf tail; The thickness of described flabellum width direction, by mind-set both sides successively decrease gradually.
6. fan blade as claimed in claim 5, is characterized in that, the curved in the longitudinal direction setting of described flabellum.
7. fan blade as claimed in claim 6, is characterized in that, the leaf head of described flabellum is provided with projection.
8. fan blade as claimed in claim 7, is characterized in that, described projection is located in the side of described flabellum projection.
9. fan blade as claimed in claim 8, is characterized in that, described projection is that bottom is four square rib centrums, and the bottom of described centrum is connected with described flabellum, and the top of described centrum is away from described flabellum.
10. a blower fan, is characterized in that, comprises the fan blade described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420217045.XU CN203856768U (en) | 2014-04-29 | 2014-04-29 | Fan blade and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420217045.XU CN203856768U (en) | 2014-04-29 | 2014-04-29 | Fan blade and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856768U true CN203856768U (en) | 2014-10-01 |
Family
ID=51606622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420217045.XU Expired - Lifetime CN203856768U (en) | 2014-04-29 | 2014-04-29 | Fan blade and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856768U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402022A (en) * | 2016-10-26 | 2017-02-15 | 珠海格力电器股份有限公司 | impeller and fan |
| CN107269584A (en) * | 2017-07-26 | 2017-10-20 | 奥克斯空调股份有限公司 | The enhanced axial-flow leaf of structure |
| CN108443223A (en) * | 2018-05-27 | 2018-08-24 | 东莞市兴东电子有限公司 | A kind of adjustable flabellum component of fan blade angles |
| CN109372796A (en) * | 2018-10-11 | 2019-02-22 | 李瑞晨 | A kind of power distribution cabinet radiator fan |
-
2014
- 2014-04-29 CN CN201420217045.XU patent/CN203856768U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402022A (en) * | 2016-10-26 | 2017-02-15 | 珠海格力电器股份有限公司 | impeller and fan |
| CN106402022B (en) * | 2016-10-26 | 2019-11-05 | 珠海格力电器股份有限公司 | impeller and fan |
| CN107269584A (en) * | 2017-07-26 | 2017-10-20 | 奥克斯空调股份有限公司 | The enhanced axial-flow leaf of structure |
| CN108443223A (en) * | 2018-05-27 | 2018-08-24 | 东莞市兴东电子有限公司 | A kind of adjustable flabellum component of fan blade angles |
| CN109372796A (en) * | 2018-10-11 | 2019-02-22 | 李瑞晨 | A kind of power distribution cabinet radiator fan |
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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 |
Granted publication date: 20141001 |
|
| CX01 | Expiry of patent term |