CN114321009A - Adjustable connecting device and fan using same - Google Patents
Adjustable connecting device and fan using same Download PDFInfo
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- CN114321009A CN114321009A CN202111593459.3A CN202111593459A CN114321009A CN 114321009 A CN114321009 A CN 114321009A CN 202111593459 A CN202111593459 A CN 202111593459A CN 114321009 A CN114321009 A CN 114321009A
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- 230000008878 coupling Effects 0.000 claims abstract description 81
- 238000010168 coupling process Methods 0.000 claims abstract description 81
- 238000005859 coupling reaction Methods 0.000 claims abstract description 81
- 238000009434 installation Methods 0.000 claims 4
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 4
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Abstract
The invention provides an adjustable connecting device and a fan using the same, wherein the adjustable connecting device comprises: the connecting piece is arranged between the fan blade and the wheel disc, and the relative angle between the connecting piece and the fan blade can be adjusted; and/or the relative angle between the wheel disc and the coupling is adjustable; the problem that the angle of the fan blade cannot be adjusted, different performance requirements (including but not limited to static pressure, air volume and the like) of different customers cannot be met at the same time, so that the project development period is too long, and the customer loss caused by the project development progress is influenced is solved; meanwhile, the problems of overhigh die opening cost and low generalization degree caused by large amount of die opening due to requirement change are solved, the product generalization is improved, the new cost input is reduced, and the method has high practical value and cost benefit.
Description
Technical Field
The invention belongs to the technical field of fans, and particularly relates to an adjustable connecting device and a fan using the same.
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) for actual use of different customers, and the common fan blade does not have the adjustability of the angle of the fan blade, so that the assembly part can not be reused when meeting new requirements on load performance and energy efficiency ratio, and the assembly part is related to re-opening of a mold and designing and is not beneficial to the universality of products.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems that the common fan blade does not have fan blade angle adjustability, so that the assembly part cannot be reused when meeting new requirements on load performance and energy efficiency ratio, the mold opening and design are repeated, and the product universality is not facilitated.
Thereby providing an adjustable connecting device and a fan using the device.
In order to solve the above problems, the present invention provides an adjustable coupling device comprising: the connecting piece is arranged between the fan blade and the wheel disc, and the relative angle between the connecting piece and the fan blade can be adjusted; and/or the relative angle between the disc and the link is adjustable.
In some embodiments, the connecting piece is cylindrical and comprises a first end and a second end, and the first end of the connecting piece is connected with the fan blade in an angle-adjustable manner; and/or the second end of the connecting piece is connected with the wheel disc in an adjustable angle mode.
In some embodiments, the outer circumferential surface of the first end of the connecting piece is provided with a first meshing tooth, and the fan blade is provided with a first clamping groove which is matched with the first meshing tooth at a position corresponding to the first meshing tooth.
In some embodiments, the number of slots of the first card slot is not less than the number of teeth of the first meshing tooth.
In some embodiments, the outer circumferential surface of the second end of the coupling member is provided with a second meshing tooth, and a second clamping groove matched with the second meshing tooth is arranged on the wheel disc at a position corresponding to the second meshing tooth.
In some embodiments, the number of slots of the second card slot is not less than the number of teeth of the second meshing tooth.
In some embodiments, the number of teeth of the first meshing tooth is different from the number of teeth of the second meshing tooth.
In some embodiments, the first engagement teeth are evenly disposed on the outer circumferential surface of the first end of the coupling member and the second engagement teeth are evenly disposed on the outer circumferential surface of the second end of the coupling member.
In some embodiments, the number of the first meshing teeth is x, and the minimum adjustment angle a between the coupling piece and the fan blade satisfies: and a is 360/x.
In some embodiments, the number of the second meshing teeth is y, and the minimum adjustment angle b between the coupling and the wheel disc satisfies: and b is 360/y.
In some embodiments, when m a angles are adjusted between the coupling member and the fan blade, and n b angles are adjusted between the coupling member and the wheel disc, an adjustment angle k between the fan blade and the wheel disc satisfies: k is ma ± nb.
In some embodiments, scales are arranged on both the fan blade and the wheel disc.
The invention also provides a fan comprising the adjustable connecting device.
In some embodiments, when the fan comprises a second clamping groove, a first meshing tooth and a second meshing tooth, a first mounting portion is arranged on the outer circumference of the wheel disc, the second clamping groove is arranged on the first mounting portion, a second mounting portion is arranged at one end of the fan blade, the first clamping groove is arranged on the second mounting portion, the first meshing tooth of the connecting piece is inserted into the first clamping groove, the second meshing tooth of the connecting piece is inserted into the second clamping groove, and the fan blade and the wheel disc are fixed through screws.
The adjustable connecting device provided by the invention has the following beneficial effects:
the invention provides an adjustable coupling device, comprising: the connecting piece is arranged between the fan blade and the wheel disc, and the relative angle between the connecting piece and the fan blade can be adjusted; and/or the relative angle between the wheel disc and the coupling is adjustable; the problem that the angle of the fan blade cannot be adjusted, different performance requirements (including but not limited to static pressure, air volume and the like) of different customers cannot be met at the same time, so that the project development period is too long, and the customer loss caused by the project development progress is influenced is solved; meanwhile, the problems of high mold opening cost and low generalization degree caused by large amount of mold opening due to requirement change are solved.
The fan is matched with the fan blades to realize angle adjustment, and the use performance requirements under different working conditions (including but not limited to static pressure, air quantity and the like) are met; the blade universalization is realized, the product universalization is improved, and the cost pressure is relieved from the source; under different working conditions, the load angle can be adjusted through the connecting piece, so that the load application characteristic is adjusted, the motor scheme adjustment is reduced, and simultaneously the same load can be matched with different working application environments; the fan blade angle adjusting device is applied to the fan collar, the consistency of the fan blades is guaranteed while high-precision angle adjustment is realized, and the unbalance amount caused by assembly is reduced; according to the requirements, different angle adjustment implementation modes are designed, the minimum adjustment precision is theoretically unlimited, and infinite refinement can be realized.
On the other hand, the fan provided by the present invention is manufactured based on the adjustable coupling device, and the beneficial effects of the fan refer to the beneficial effects of the adjustable coupling device, which are not described herein in detail.
Drawings
FIG. 1 is a schematic structural view of an adjustable coupling device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a coupling member and a first engaging tooth of the adjustable coupling device according to the embodiment of the present invention;
FIG. 3 is a schematic structural view of a coupling member and a second engaging tooth of the adjustable coupling device according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of a first engagement tooth of a coupling member of the adjustable coupling device according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a first clamping groove of a fan blade of the adjustable coupling device according to the embodiment of the present invention;
FIG. 6 is a schematic view of the assembly of the coupling member and the fan blade of the adjustable coupling device according to the embodiment of the present invention;
FIG. 7 is a schematic sectional view of the assembly of the coupling member and the fan blade of the adjustable coupling device according to the embodiment of the present invention;
FIG. 8 is a schematic view of the coupling member and disk assembly of the adjustable coupling device according to the embodiment of the present invention;
the reference numerals are represented as:
10. a coupling member; 11. a first meshing tooth; 12. a second meshing tooth; 20. a fan blade; 21. a first card slot; 30. a wheel disc; 31. and a second card slot.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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 invention.
Referring to fig. 1-8, the present invention provides an adjustable coupling device comprising: the connecting piece 10 is arranged between the fan blade 20 and the wheel disc 30, and the connecting piece 10 can enable the relative angle between the connecting piece 10 and the fan blade 20 to be adjustable; and/or the relative angle between the disc 30 and the coupling 10 is adjustable.
In the embodiment, the connecting piece 10 is arranged between the fan blade 20 and the wheel disc 30, and the connecting piece 10 can enable the relative angle between the connecting piece 10 and the fan blade 20 to be adjustable; and/or the relative angle between the wheel disc 30 and the connecting piece 10 can be adjusted, so that the problem that the project development period is too long and the project development progress is influenced to cause customer loss due to the fact that the angle of the fan blade 20 cannot be adjusted and different performance requirements (including but not limited to static pressure, air volume and the like) of different customers cannot be met simultaneously is solved; in addition, the minimum adjustable angle point can be designed according to the characteristic curve of the fan blade 20, the load performance advantage is improved, the use requirements under different working conditions are met, the product universalization is improved, the new cost input is reduced, and the method has high practical value and cost benefit.
In some embodiments, the coupling member 10 is cylindrical, the coupling member 10 includes a first end and a second end, and the first end of the coupling member 10 is connected with the fan blade 20 at an adjustable angle; and/or the second end of the coupling 10 is angularly adjustable connected to the disc 30.
It should be noted that the adjustable angle connection means that the angle between the connecting member 10 and the fan blade 20 or between the connecting member 10 and the fan blade 20 is not fixed and can be adjusted.
The connecting piece 10 of the embodiment is cylindrical, the connecting piece 10 comprises a first end and a second end, and the first end of the connecting piece 10 is connected with the fan blade 20 in an angle-adjustable manner to realize the angle adjustment of the first stage; the second end of the connecting piece 10 is connected with the wheel disc 30 in an angle-adjustable manner, so that the angle adjustment of the second stage is realized, the consistency of the fan blades is ensured while the high-precision angle adjustment is realized through two-stage adjustment, and the unbalance amount caused by assembly is reduced.
Of course, the present invention is not limited to two-stage angle adjustment, and more stages of angle adjustment may be employed.
In some embodiments, the outer circumferential surface of the first end of the coupling member 10 is provided with a first engaging tooth 11, and a first engaging groove 21 adapted to the first engaging tooth 11 is provided on the fan blade 20.
The outer circumferential surface of the first end of the coupling member 10 of this embodiment is provided with a first engaging tooth 11, a first engaging groove 21 which is matched with the first engaging tooth 11 is provided at a position on the fan blade 20 corresponding to the first engaging tooth 11, and the first-stage angle adjustment is realized by matching the first engaging tooth 11 with the first engaging groove 21.
In some embodiments, the number of the slots of the first card slot 21 is not less than the number of the teeth of the first engaging tooth 11, and the number of the slots of the first card slot 21 may be equal to the number of the teeth of the first engaging tooth 11 or greater than the number of the teeth of the first engaging tooth 11.
In some embodiments, the outer circumferential surface of the second end of the coupling member 10 is provided with a second engaging tooth 12, and the wheel disc 30 is provided with a second engaging groove 31 corresponding to the second engaging tooth 12.
The second engaging tooth 12 is disposed on the outer circumferential surface of the second end of the coupling member 10 of this embodiment, a second engaging groove 31 adapted to the second engaging tooth 12 is disposed on the wheel disc 30 at a position corresponding to the second engaging tooth 12, and the second-stage angle adjustment is realized through the second engaging tooth 12 and the second engaging groove 31.
In some embodiments, the number of the slots of the second card slot 31 is not less than the number of the teeth of the second engaging tooth 12, and the number of the slots of the second card slot 31 may be equal to the number of the teeth of the second engaging tooth 12 or greater than the number of the teeth of the second engaging tooth 12.
In some embodiments, the number of the first engaging teeth 11 is different from the number of the second engaging teeth 12, and when the number of the first engaging teeth 11 is the same as the number of the second engaging teeth 12, there is a problem of repeated angle adjustment, and therefore, the number of the first engaging teeth 11 is different from the number of the second engaging teeth 12.
In some embodiments, the first engagement teeth 11 are uniformly arranged on the outer circumferential surface of the first end of the coupling member 10, and the second engagement teeth 12 are uniformly arranged on the outer circumferential surface of the second end of the coupling member 10.
In some embodiments, the number of the first meshing teeth 11 is x, and the minimum adjustment angle a between the coupling 10 and the fan blade 20 satisfies: and a is 360/x. The minimum adjustment accuracy is theoretically unlimited and can be infinitely refined.
In some embodiments, the number of the second meshing teeth 12 is y, and the minimum adjustment angle b between the coupling 10 and the disk 30 satisfies: and b is 360/y. The minimum adjustment accuracy is theoretically unlimited and can be infinitely refined.
In some embodiments, when m angles a are adjusted between the coupling 10 and the fan blade 20, and n angles b are adjusted between the coupling 10 and the wheel disc 30, the adjustment angle k between the fan blade 20 and the wheel disc 30 satisfies: k is ma ± nb. When the adjusting directions of the connecting piece 10 and the fan blade 20 are the same as the adjusting directions of the connecting piece 10 and the wheel disc 30, k is ma + nb; when the adjusting directions of the connecting piece 10 and the fan blade 20 are different from the adjusting directions of the connecting piece 10 and the wheel disc 30, k is ma-nb.
It should be noted that, during adjustment, the rotation direction of the coupling member 10 is taken as a reference, for example, when the angle between the coupling member 10 and the fan blade 20 is adjusted, the rotation direction of the coupling member 10 is the first rotation direction, when the angle between the coupling member 10 and the wheel disc 30 is adjusted, the rotation direction of the coupling member 10 is the second rotation direction, and when the first rotation direction is the same as the second rotation direction, the adjustment directions of the coupling member 10 and the fan blade 20 are the same as the adjustment directions of the coupling member 10 and the wheel disc 30; when the first rotation direction is different from the second rotation direction, the adjustment directions of the coupling piece 10 and the fan blade 20 are different from the adjustment directions of the coupling piece 10 and the wheel disc 30.
In some embodiments, the fan blade 20 and the wheel disc 30 are provided with scales, so that a user can read the adjustment angle more intuitively during adjustment.
The adjustable connecting device is an indexing adjustable matching structure, the angle of the fan blade is adjustable through the matching of tooth grooves of the wheel disc 30, the connecting piece 10 and the fan blade 20, namely, a first end of the connecting piece 10 is provided with a first engaging tooth 11 with different numbers, a second end of the connecting piece 10 is provided with a second engaging tooth 12 with different numbers, the wheel disc 30 is provided with a second clamping groove 31 with a certain number matched with the second engaging tooth 12, the fan blade 20 is provided with a first clamping groove 21 with a certain number matched with the first engaging tooth 11, the arbitrary angle adjustment of 360 degrees is realized through the matching of the tooth grooves with different combinations, different load characteristics (not limited to static pressure and air volume) are realized, meanwhile, the application scene is changed, the angle is infinitely differentiated, and the precision calculation with smaller magnitude can be realized.
The invention also provides a fan comprising the adjustable connecting device.
It should be noted that the adjustable coupling device of the present invention can be used in a range including, but not limited to, a blower.
In some embodiments, when the second engaging groove 31, the first engaging groove 21, the first engaging tooth 11, and the second engaging tooth 12 are included, a first mounting portion is provided on an outer circumference of the wheel disc 30, the second engaging groove 31 is provided on the first mounting portion, a second mounting portion is provided at one end of the fan blade 20, the first engaging groove 21 is provided on the second mounting portion, the first engaging tooth 11 of the coupling member 10 is inserted into the first engaging groove 21, the second engaging tooth 12 of the coupling member 10 is inserted into the second engaging groove 31, and the fan blade 20 and the wheel disc 30 are fixed by screws.
It is easily understood by those skilled in the art that the above-described modes can be freely combined and superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (14)
1. An adjustable coupling device, comprising: the fan blade connecting structure comprises a connecting piece (10), fan blades (20) and a wheel disc (30), wherein the connecting piece (10) is arranged between the fan blades (20) and the wheel disc (30), and the connecting piece (10) can enable the relative angle between the connecting piece (10) and the fan blades (20) to be adjustable; and/or the relative angle between the wheel disc (30) and the coupling (10) is adjustable.
2. The adjustable coupling device according to claim 1, wherein the coupling member (10) is cylindrical, the coupling member (10) comprises a first end and a second end, and the first end of the coupling member (10) is connected with the fan blade (20) in an angle-adjustable manner; and/or the second end of the connecting piece (10) is connected with the wheel disc (30) in an angle-adjustable manner.
3. The adjustable coupling device according to claim 2, wherein the first end of the coupling member (10) has a first engaging tooth (11) on its outer circumferential surface, and the fan blade (20) has a first engaging groove (21) corresponding to the first engaging tooth (11).
4. Adjustable coupling according to claim 3, wherein the number of slots of the first locking slot (21) is not less than the number of teeth of the first meshing tooth (11).
5. The adjustable coupling device according to claim 3, wherein the second end of the coupling member (10) is provided with second engaging teeth (12) on the outer circumferential surface, and the wheel disc (30) is provided with second engaging grooves (31) corresponding to the second engaging teeth (12).
6. The adjustable coupling according to claim 5, wherein the number of slots of the second locking slot (31) is not less than the number of teeth of the second meshing teeth (12).
7. Adjustable coupling according to claim 5, characterized in that the number of teeth of the first meshing teeth (11) is different from the number of teeth of the second meshing teeth (12).
8. The adjustable coupling according to claim 5, wherein the first engagement teeth (11) are arranged uniformly on the outer circumferential surface of the first end of the coupling element (10) and the second engagement teeth (12) are arranged uniformly on the outer circumferential surface of the second end of the coupling element (10).
9. The adjustable coupling device according to claim 5, wherein the number of the first meshing teeth (11) is x, and the minimum adjustment angle a between the coupling member (10) and the fan blade (20) satisfies: and a is 360/x.
10. Adjustable coupling according to claim 9, wherein the number of second meshing teeth (12) is y, and the minimum adjustment angle b between the coupling (10) and the wheel disc (30) is such that:
b＝360/y。
11. the adjustable coupling device according to claim 10, wherein when m said a-angles are adjusted between the coupling member (10) and the fan blade (20) and n said b-angles are adjusted between the coupling member (10) and the wheel disc (30), an adjustment angle k between the fan blade (20) and the wheel disc (30) satisfies:
k＝ma±nb。
12. the adjustable coupling device according to claim 1, wherein the fan blade (20) and the wheel disc (30) are provided with scales.
13. A wind turbine comprising an adjustable coupling according to any one of claims 1 to 12.
14. The fan according to claim 13, wherein when the fan comprises a second clamping groove (31), a first clamping groove (21), a first meshing tooth (11) and a second meshing tooth (12), a first installation part is arranged on the outer circumference of the wheel disc (30), the second clamping groove (31) is arranged on the first installation part, a second installation part is arranged at one end of the fan blade (20), the first clamping groove (21) is arranged on the second installation part, the first meshing tooth (11) of the connecting piece (10) is inserted in the first clamping groove (21), the second meshing tooth (12) of the connecting piece (10) is inserted in the second clamping groove (31), and the fan blade (20) and the wheel disc (30) are fixed through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111593459.3A CN114321009A (en) | 2021-12-23 | 2021-12-23 | Adjustable connecting device and fan using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111593459.3A CN114321009A (en) | 2021-12-23 | 2021-12-23 | Adjustable connecting device and fan using same |
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| Publication Number | Publication Date |
|---|---|
| CN114321009A true CN114321009A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111593459.3A Pending CN114321009A (en) | 2021-12-23 | 2021-12-23 | Adjustable connecting device and fan using same |
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| Country | Link |
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| CN (1) | CN114321009A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876866A (en) * | 2022-06-16 | 2022-08-09 | 珠海格力电器股份有限公司 | Fan blade assembly and fan |
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| CN101368576A (en) * | 2007-08-15 | 2009-02-18 | 陈耀乾 | Impeller structure of ventilator |
| CN102943775A (en) * | 2012-11-16 | 2013-02-27 | 河南省法斯特散热器有限公司 | Adjustable fan |
| 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 |
| 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 |
-
2021
- 2021-12-23 CN CN202111593459.3A patent/CN114321009A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101368576A (en) * | 2007-08-15 | 2009-02-18 | 陈耀乾 | Impeller structure of ventilator |
| CN102943775A (en) * | 2012-11-16 | 2013-02-27 | 河南省法斯特散热器有限公司 | Adjustable fan |
| 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 |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114876866A (en) * | 2022-06-16 | 2022-08-09 | 珠海格力电器股份有限公司 | Fan blade assembly and fan |
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Application publication date: 20220412 |