CN114876866A - Fan blade assembly and fan - Google Patents
Fan blade assembly and fan Download PDFInfo
- Publication number
- CN114876866A CN114876866A CN202210681295.8A CN202210681295A CN114876866A CN 114876866 A CN114876866 A CN 114876866A CN 202210681295 A CN202210681295 A CN 202210681295A CN 114876866 A CN114876866 A CN 114876866A
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- Prior art keywords
- fan blade
- fan
- wheel disc
- blade assembly
- different
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application provides a fan blade subassembly and fan. The fan blade assembly comprises a wheel disc, a connecting piece and a fan blade, wherein the fan blade is connected to the wheel disc through the connecting piece; the connecting piece comprises a first end and a second end in the axial direction, the first end is provided with at least three different mounting positions for assembling the fan blade, and/or the second end is provided with at least three different mounting positions for assembling the wheel disc; when the fan blade and/or the wheel disc are arranged at different installation positions on the connecting piece, different fan blade angles of the fan blade assembly can be obtained. This application is through setting up the connector between fan blade and rim plate, and sets up the position of connector both ends and fan blade and rim plate assembly and establish to a plurality ofly to when meetting new load performance, energy efficiency ratio requirement, can change the mounted position of fan blade or rim plate, change the fan blade angle, reach adjustment load application characteristic, reduce the motor scheme adjustment, make the purpose that the load can match different work application environment.
Description
Technical Field
The application belongs to the technical field of fans, and particularly relates to a fan blade assembly and a fan.
Background
The fan blade is used as a key part of the fan, has a large influence on the performance of the fan, has different requirements (including but not limited to static pressure, air volume and the like) on actual use of different customers, and is directly matched with the wheel disc in a positioning way without the adjustability of the angle of the fan blade, so that the assembly part cannot be reused when meeting new requirements on load performance and energy efficiency ratio, and the assembly part relates to re-opening of the mold and design and is not beneficial to the universality of products.
Disclosure of Invention
Therefore, the application provides a fan blade subassembly and fan can solve prior art fan blade and directly with rim plate location fit for when meetting new load performance, energy efficiency ratio requirement, this assembly part just can not reuse, relates to die sinking and design again, is unfavorable for the problem of product commonality.
In order to solve the above problem, the present application provides a fan blade assembly, including:
the fan blade is connected to the wheel disc through the connecting piece;
the connecting piece comprises a first end and a second end in the axial direction, the first end is provided with at least three different mounting positions for assembling the fan blade, and/or the second end is provided with at least three different mounting positions for assembling the wheel disc; when the fan blade and/or the wheel disc are arranged at different installation positions on the connecting piece, different fan blade angles of the fan blade assembly can be obtained.
Optionally, when different mounting positions are provided on both the first end and the second end, the number of mounting positions on the first end is different from the number of mounting positions on the second end.
Optionally, a first limiting part is disposed on the first end and/or the second end, a second limiting part is disposed on the corresponding assembly position of the fan blade and/or the wheel disc, the first limiting part and the second limiting part are in butt joint in a matching manner, and at least one of the first limiting part and the second limiting part is provided with different butt joint positions.
Optionally, the first limiting part and/or the second limiting part are/is provided as a tooth or a snap-in part.
Optionally, the clamping member includes a clamping groove or a projection matched and clamped with the clamping groove.
Optionally, the teeth or the clamping pieces are provided with a plurality of teeth or clamping pieces, and the teeth or the clamping pieces are evenly distributed on the circumferential direction of the first end or the second end.
Optionally, a central angle corresponding to an interval between adjacent teeth or the clamping members is set to be 1 °.
Optionally, the coupling comprises a cylinder or torus having a diameter smaller at one end than at the other, and being stepped axially.
Optionally, the teeth or the clamping piece are arranged on the outer peripheral surface or the end surface of the cylinder or the annular body.
According to another aspect of the present application, a fan is provided, which includes the fan blade assembly as described above.
The application provides a fan blade subassembly includes: the fan blade is connected to the wheel disc through the connecting piece; the connecting piece comprises a first end and a second end in the axial direction, the first end is provided with at least three different mounting positions for assembling the fan blade, and/or the second end is provided with at least three different mounting positions for assembling the wheel disc; when the fan blade and/or the wheel disc are arranged at different installation positions on the connecting piece, different fan blade angles of the fan blade assembly can be obtained.
This application sets up the connector through setting up between fan blade and rim plate, and sets up the position of connector both ends and fan blade and rim plate assembly and establish to a plurality ofly to when meetting new load performance, energy efficiency ratio requirement, can change the mounted position of fan blade or rim plate, change the fan blade angle, reach the adjustment load application characteristic, reduce the motor scheme adjustment, make the purpose that the load can match different work application environment.
Drawings
Fig. 1 is a schematic structural diagram of a fan blade assembly according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a wheel disc according to an embodiment of the present application;
fig. 3 is a schematic structural view of a coupling member according to an embodiment of the present application.
The reference numerals are represented as:
1. a fan blade; 2. a coupling member; 21. assembling the teeth; 3. a wheel disc; 31. and (4) gear disc teeth.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1 to 3 in combination, according to an embodiment of the present application, a fan blade assembly includes:
the fan comprises a wheel disc 3, a connecting piece 2 and a fan blade 1, wherein the fan blade 1 is connected to the wheel disc 3 through the connecting piece 2;
the connecting piece 2 comprises a first end and a second end in the axial direction, the first end is provided with at least three different mounting positions for assembling the fan blade 1, and/or the second end is provided with at least three different mounting positions for assembling the wheel disc 3; when the fan blade 1 and/or the wheel disc 3 are/is arranged at different installation positions on the connecting piece 2, different angles of the fan blade 1 of the fan blade assembly can be obtained.
This application is through setting up connector 2 between fan blade 1 and rim plate 3, and sets up the position of 2 both ends of connector and fan blade 1 and 3 assemblies of rim plate and establish to a plurality ofly to when meetting new load performance, energy efficiency ratio requirement, can change the mounted position of fan blade 1 or rim plate 3, change fan blade 1 angle, reach adjustment load application characteristic, reduce the motor scheme adjustment, make the purpose that the different work application environment can be matchd to the load.
In some embodiments, where different mounting locations are provided on both the first end and the second end, the number of mounting locations on the first end is different than the number of mounting locations on the second end.
The two ends of the connecting piece 2 are respectively provided with different numbers of mounting positions, so that the angle of the fan blade 1 can be conveniently adjusted, the combined adjusting mode becomes more, and the connecting piece can adapt to more application environments.
In some embodiments, a first limiting member is disposed on the first end and/or the second end, a second limiting member is disposed on the corresponding assembly position of the fan blade 1 and/or the wheel disc 3, the first limiting member and the second limiting member are in butt joint in a matching manner, and at least one of the first limiting member and the second limiting member is disposed with different butt joint positions. Preferably, the first limiting part and/or the second limiting part are/is provided as a tooth or a snap-in part. More preferably, the clamping member comprises a clamping groove or a projection matched and clamped with the clamping groove.
Set up the locating part respectively on connector 2, fan blade 1 and rim plate 3 for fan blade 1 and rim plate 3 can match and assemble corresponding position on connector 2, can play limiting displacement, can also select the mounted position of suitable fan blade 1 angle according to the user's needs, and especially the locating part adopts the tooth meshing structure of mutually supporting or the joint structure that draw-in groove and lug correspond the grafting, can both assemble convenient and fast to and change mounted position.
In some embodiments, the teeth or the clamping pieces are provided in a plurality and are uniformly distributed on the circumference of the first end or the second end.
Tooth or joint spare set up along 2 circumference evenly distributed of connector for blade, connector 2 and 3 self stability of rim plate are strong, do not appear the eccentric condition, increase the convenience when the assembly simultaneously.
In some embodiments, the central angle corresponding to the interval between adjacent teeth or the engaging members is set to 1 °.
The mode of minimum division value is adopted, the angle value of the fan blade 1 changed by the angle can be conveniently determined when the installation position is selected to be replaced, and the adjustment convenience is improved.
In some embodiments, the coupling 2 comprises a cylinder or torus having a diameter smaller at one end than at the other, and is stepped axially.
The connector 2 can be a cylinder or a torus and the like, one end of the connector is thin, the other end of the connector is thick to form a step shape, the connector is conveniently connected with the fan blade 1 and the wheel disc 3 correspondingly, if the thin end is connected with the fan blade 1, the thick end is connected with the wheel disc 3.
In some embodiments, the teeth or the clamping piece are arranged on the outer circumferential surface or the end surface of the cylinder or the annular body.
The outer peripheral surface of the cylinder or the annular body is provided with teeth or clamping pieces, or the end surface of the cylinder or the annular body is provided with teeth or clamping pieces, and the teeth or the clamping pieces can be selected according to use requirements.
According to another aspect of the present application, a fan is provided, which includes the fan blade assembly as described above.
Compare traditional fan, a connector 2 is add to this application to realize that 1 angle of fan blade 360 is adjustable, design minimum angle regulation according to the demand, thereby realize not switching under the condition of fan blade 1, upper and lower rim plate 3, satisfy the efficiency ratio requirement under the different work condition, avoid the scheme to switch the project cycle extension that leads to the retooling to arouse, improve the product universalization in step. Meanwhile, the minimum division value required by practical application environment conditions and independent design can be combined.
The application adopts an implementation scheme that a connector 2 in a fan blade assembly can adjust an angle to 1 degree, namely, the k is selected to be 1. At this time, the closer the tooth grooves at the two ends of the optional connecting piece 2 are, the lower the precision is realized by rotating one lattice with the same groove number order.
The integral installation structure of the fan blade 1 is that the two ends of the connecting piece 2 are respectively provided with the fan blade 1 and the wheel disc 3, if one end is connected with the fan blade 1, and the other end is connected with the wheel disc 3, the integral two-stage adjustment can be realized; if the matching on one end is kept unchanged, the assembly position of the other end is changed to be the first-stage adjustment, and the two ends are matched to be changed simultaneously, so that the second-stage adjustment is realized.
Except for the newly added connecting piece 2, the corresponding assembly structure comprises the following components: the fan blade 1 and the wheel disc 3 also need to be correspondingly adjusted, and the specific design scheme is as follows:
the mounting positions are adjusted by different numbers of the assembling teeth 21 at the two ends of the connecting piece 2, so that the minimum scale required to be adjusted is obtained, secondary adjustment is realized by setting the angle of the connecting piece 2, and smaller primary angle adjustment is realized by utilizing phase angle difference. The groove type of both ends of the coupling member 2 is not limited and can be arbitrarily set.
The fan blade 1 can be divided to refine angle adjustment, the optimal working condition point under different specific rotating speeds of the fan blade 1 can be adjusted, and the full-pressure efficiency point is improved. The traditional fan blade 1 has no angle adjustment scheme, the deviation between the optimal point of the fan blade 1 and the optimal point of the motor is large, and the optimal energy efficiency ratio is not reached.
When the connecting piece 2 is assembled with the fan blade 1 and the wheel disc 3, the two ends are respectively and correspondingly provided with a certain number of grooves, and the number of the grooves can be kept consistent or reduced to that the number of the effective grooves is more than or equal to 1.
The specific implementation mode is as follows:
according to the performance characteristics of the fan blade 1 and the optimal working condition point, namely a curve, a minimum adjusting unit, namely a k value, meeting performance requirements is designed, if the minimum precision is 1 degree, the proportion can be reselected according to requirements in practical application, and the number of groove pairs is related to the precision but not positively related;
according to the selection of k value, 2 tooth matching and size of the coupling piece meeting the structural performance are designed, and if the number x of the rotating teeth on one end of the coupling piece 2 and the number y of the rotating grooves on the other end of the coupling piece 2 are assumed, x and y meet the following conditions:
This application illustrates: one implementation with an accuracy of at least 1 ° can be achieved at one moment of rotation: the tooth fit 36/40 at the selected ends is then:
10m-9n is k, the rotation of 1 base number can be realized by single-side rotation;
the connector 2 is used as a middle piece to connect the fan blade 1 and the wheel disc 3, and the customized precision angle adjustment is realized.
The mounting surfaces corresponding to the fan blade 1 and the wheel disc 3 need to be provided with groove types corresponding to the connection of the structural member, the number of the grooves is not necessarily consistent with that of the fan blade 1 and the wheel disc 3, and the positioning effect can be achieved by ensuring that the effective number of the grooves is more than or equal to 1.
The outer contours of the fan blade 1 and the wheel disc 3 can be provided with scale indications, so that the adjustment by a user is more intuitive.
The installation satisfies the user demand, and the accessible angle of adjustment satisfies different load performance demands.
It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (10)
1. A fan blade assembly, comprising:
the fan comprises a wheel disc (3), a connecting piece (2) and fan blades (1), wherein the fan blades (1) are connected to the wheel disc (3) through the connecting piece (2);
the connecting piece (2) comprises a first end and a second end in the axial direction, the first end is provided with at least three different mounting positions for assembling the fan blade (1), and/or the second end is provided with at least three different mounting positions for assembling the wheel disc (3); when the fan blade (1) and/or the wheel disc (3) are/is arranged at different installation positions on the connecting piece (2), different fan blade (1) angles of the fan blade assembly can be obtained.
2. The fan blade assembly of claim 1, wherein when different mounting locations are provided on the first end and the second end, the number of mounting locations on the first end is different from the number of mounting locations on the second end.
3. The fan blade assembly according to claim 1 or 2, wherein a first limiting member is provided on the first end and/or the second end, a second limiting member is provided on the fan blade (1) and/or the wheel disc (3) at a corresponding assembly position, the first limiting member and the second limiting member are in butt joint in a matching manner, and at least one of the first limiting member and the second limiting member is provided with a different butt joint position.
4. The fan blade assembly of claim 3, wherein the first retaining member and/or the second retaining member is a tooth or a snap-in member.
5. The fan blade assembly of claim 4, wherein the clamping member comprises a clamping groove or a projection matched and clamped with the clamping groove.
6. The fan blade assembly of claim 4 or 5, wherein the teeth or the clamping pieces are provided with a plurality of teeth or clamping pieces, and the teeth or the clamping pieces are uniformly distributed on the circumferential direction of the first end or the second end.
7. The fan blade assembly of claim 6, wherein the central angle corresponding to the interval between adjacent teeth or the clamping members is set to be 1 °.
8. The fan blade assembly according to claim 4 or 5, wherein the coupling member (2) comprises a cylinder or a torus, the diameter of one end is smaller than that of the other end, and the axial direction is stepped.
9. The fan blade assembly of claim 8, wherein the teeth or the snap-in members are arranged on the outer peripheral surface or the end surface of the cylinder or the ring body.
10. A fan comprising a fan blade assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210681295.8A CN114876866A (en) | 2022-06-16 | 2022-06-16 | Fan blade assembly and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210681295.8A CN114876866A (en) | 2022-06-16 | 2022-06-16 | Fan blade assembly and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114876866A true CN114876866A (en) | 2022-08-09 |
Family
ID=82680750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210681295.8A Withdrawn CN114876866A (en) | 2022-06-16 | 2022-06-16 | Fan blade assembly and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114876866A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203978916U (en) * | 2014-02-25 | 2014-12-03 | 张家港市众鑫风机有限公司 | Angle of fan leaves controlling device |
| CN104214135A (en) * | 2014-08-28 | 2014-12-17 | 苏州德弗朗空气控制技术有限公司 | Fan |
| CN104454640A (en) * | 2014-12-08 | 2015-03-25 | 福建洛伊空气控制技术有限公司 | Quick fan blade angle positioning and adjusting mechanism |
| CN207701462U (en) * | 2017-12-31 | 2018-08-07 | 广州市科创通风环保实业有限公司 | A kind of axial flow blower |
| CN209638089U (en) * | 2019-01-10 | 2019-11-15 | 浙江三团电器有限公司 | A kind of air feeder vane wheel structure |
| CN111271318A (en) * | 2020-03-24 | 2020-06-12 | 青岛大牧人机械股份有限公司 | Fan blade angle adjusting device and method |
| CN114321009A (en) * | 2021-12-23 | 2022-04-12 | 珠海格力电器股份有限公司 | Adjustable connecting device and fan using same |
-
2022
- 2022-06-16 CN CN202210681295.8A patent/CN114876866A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203978916U (en) * | 2014-02-25 | 2014-12-03 | 张家港市众鑫风机有限公司 | Angle of fan leaves controlling device |
| CN104214135A (en) * | 2014-08-28 | 2014-12-17 | 苏州德弗朗空气控制技术有限公司 | Fan |
| CN104454640A (en) * | 2014-12-08 | 2015-03-25 | 福建洛伊空气控制技术有限公司 | Quick fan blade angle positioning and adjusting mechanism |
| CN207701462U (en) * | 2017-12-31 | 2018-08-07 | 广州市科创通风环保实业有限公司 | A kind of axial flow blower |
| CN209638089U (en) * | 2019-01-10 | 2019-11-15 | 浙江三团电器有限公司 | A kind of air feeder vane wheel structure |
| CN111271318A (en) * | 2020-03-24 | 2020-06-12 | 青岛大牧人机械股份有限公司 | Fan blade angle adjusting device and method |
| CN114321009A (en) * | 2021-12-23 | 2022-04-12 | 珠海格力电器股份有限公司 | Adjustable connecting device and fan using same |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20220809 |
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| WW01 | Invention patent application withdrawn after publication |