CN219733661U - Unpowered fan - Google Patents
Unpowered fan Download PDFInfo
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- CN219733661U CN219733661U CN202320779035.4U CN202320779035U CN219733661U CN 219733661 U CN219733661 U CN 219733661U CN 202320779035 U CN202320779035 U CN 202320779035U CN 219733661 U CN219733661 U CN 219733661U
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- blade assembly
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- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 230000009471 action Effects 0.000 claims abstract description 7
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 description 9
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of fans, and provides an unpowered fan, which comprises: a shaft; the first blade assembly is rotationally connected with the shaft; the blade mechanism is connected with the first blade assembly and is rotationally connected with the shaft; the connecting component is connected with the shaft, sleeved with one end of the blade mechanism and used for being connected with the pipeline; under the action of wind force, the first blade assembly and the blade mechanism rotate to generate micro negative pressure in the blade mechanism, and then air in the pipeline is discharged by the blade mechanism. The unpowered fan is small in structure, small in occupied area, convenient to use, free of motor driving, low in production cost and capable of avoiding energy waste, and can utilize wind force to rotate under windy conditions by arranging the first blade assembly and the blade mechanism, and then exhaust air in the pipeline.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to an unpowered fan.
Background
At present, a ventilation system usually adopts a fan driven by a motor to ventilate, has high energy consumption and large volume, is suitable for larger engineering occasions, and can cause energy waste by the feeling of a large maraca trolley on small equipment, and the production cost is increased.
Disclosure of Invention
The utility model provides an unpowered fan which is used for solving the defects of high cost and high energy consumption of a fan driven by a motor in the prior art.
The utility model provides an unpowered fan, comprising: a shaft; a first vane assembly rotatably coupled to the shaft; a vane mechanism coupled to the first vane assembly and rotatably coupled to the shaft; the connecting component is connected with the shaft, sleeved with one end of the blade mechanism and used for being connected with a pipeline; under the action of wind force, the first blade assembly and the blade mechanism rotate so as to generate micro negative pressure in the blade mechanism, and then air in the pipeline is discharged by the blade mechanism.
According to the present utility model there is provided an unpowered fan, the first blade assembly comprising: the first chassis is rotationally connected with the shaft and connected with the blade mechanism; the plurality of first blades are arranged on one side, away from the blade mechanism, of the first chassis.
According to the unpowered fan provided by the utility model, the blade mechanism comprises: a second blade assembly coupled to the first blade assembly and rotatably coupled to the shaft; the third blade assembly is connected with the second blade assembly, and one end of the third blade assembly is sleeved with the connecting assembly; and when the blade mechanism rotates, micro negative pressure is formed between the second blade assembly and the third blade assembly.
According to the present utility model there is provided an unpowered fan, the second blade assembly comprising: the second chassis is connected with the first blade assembly and is rotationally connected with the shaft; the second blades are arranged on one side, away from the first blade assembly, of the second chassis.
According to the present utility model, there is provided an unpowered fan, the third blade assembly comprising: a third chassis connected to a plurality of the second blades; the plurality of third blades are arranged on one side of the third chassis, which is away from the second blades; and when the second blade and the third blade rotate, micro negative pressure is formed between the second chassis and the third chassis.
According to the unpowered fan provided by the utility model, the second chassis is a cylindrical part, a first expansion opening is formed at one end of the second chassis facing the first blade assembly, the first expansion opening is connected with the first blade assembly, the inner wall of the second chassis is rotationally connected with the shaft, and a plurality of second blades are arranged on the outer wall of the first chassis.
According to the unpowered fan provided by the utility model, the third chassis is a cylindrical part, a second expansion opening is formed at one end of the third chassis facing the second blades, the second expansion opening is connected with a plurality of the second blades, a plurality of the third blades are arranged on the outer wall of the third chassis, and one end of the third chassis opposite to the second expansion opening is sleeved outside the connecting assembly.
According to the unpowered fan provided by the utility model, the unpowered fan further comprises a first bearing, the first bearing is sleeved outside the shaft, and the first chassis is sleeved outside the first bearing.
According to the unpowered fan provided by the utility model, the unpowered fan further comprises a second bearing, wherein the second bearing is sleeved outside the shaft, and the second chassis is sleeved outside the second bearing.
According to the unpowered fan provided by the utility model, the connecting assembly comprises: the connecting piece is connected with the shaft and sleeved with one end of the third chassis; and the adaptor is sleeved with the connecting piece and is used for being connected with the pipeline.
According to the unpowered fan provided by the embodiment of the utility model, the fan is driven to rotate without a motor by arranging the first blade assembly and the blade mechanism, and the fan can rotate by utilizing wind power under the condition of wind, so that air in the pipeline is discharged, ventilation of the air in the pipeline is realized, and the unpowered fan is small in structure, small in occupied area, convenient to use, free from motor driving, low in production cost and free from energy waste.
Drawings
In order to more clearly illustrate the utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an unpowered fan provided by the utility model;
reference numerals:
10: a shaft; 21: a first chassis; 22: a first blade; 31: a second chassis; 32: a second blade; 41: a third chassis; 42: a third blade; 51: a first bearing; 52: a second bearing; 61: a connecting piece; 62: an adapter.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The features of the utility model "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The unpowered fan of the present utility model is described below with reference to fig. 1.
As shown in fig. 1, in an embodiment of the present utility model, an unpowered fan includes: a shaft 10, a first blade assembly, a blade mechanism and a connection assembly. The first vane assembly is rotatably coupled to the shaft 10 and the vane mechanism is coupled to the first vane assembly and rotatably coupled to the shaft 10. The connecting assembly is connected with the shaft 10, sleeved with one end of the blade mechanism and used for being connected with a pipeline. Under the action of wind force, the first blade assembly and the blade mechanism rotate to generate micro negative pressure in the blade mechanism, and then air in the pipeline is discharged by the blade mechanism.
Specifically, in this embodiment, the blades of the first blade assembly are exposed to the outside, and part of the blades of the blade mechanism are also exposed to the outside, so that under the action of wind force, the first blade assembly and the blade mechanism rotate, and the air in the blade mechanism is discharged when the blade mechanism rotates, so as to generate micro negative pressure, and the air in the pipeline is sucked into the blade mechanism under the action of the blade mechanism, so that the air in the pipeline is discharged out of the blade mechanism in the rotating process of the blade mechanism, so as to realize ventilation of the air in the pipeline.
According to the unpowered fan provided by the embodiment of the utility model, the fan is driven to rotate without a motor by arranging the first blade assembly and the blade mechanism, and the fan can rotate by utilizing wind power under the condition of wind, so that air in the pipeline is discharged, ventilation of the air in the pipeline is realized, and the unpowered fan is small in structure and small in occupied area, does not need motor driving, reduces the production cost and also avoids unnecessary energy waste.
As shown in fig. 1, in an embodiment of the present utility model, a first blade assembly includes: a first chassis 21 and a plurality of first vanes 22. The first chassis 21 is rotatably connected to the shaft 10, while the first chassis 21 is also connected to the blade mechanism. A plurality of first vanes 22 are provided on the side of the first chassis 21 facing away from the vane mechanism. Under the condition of wind, the wind force pushes the plurality of first blades 22 to rotate, so that the first chassis 21 is driven to rotate around the shaft 10, and meanwhile, the first chassis 21 drives the blade mechanism to rotate together, so that air in the pipeline is discharged, and ventilation is realized.
Further, in an embodiment of the present utility model, the blade mechanism includes: a second blade assembly and a third blade assembly. The second blade assembly is connected with the first blade assembly and is rotatably connected with the shaft 10, and the third blade assembly is connected with the second blade assembly, wherein when the blade mechanism rotates, a micro negative pressure is formed between the second blade assembly and the third blade assembly.
Specifically, in this embodiment, the first blade assembly, the second blade assembly and the third blade assembly are sequentially connected, the first blade assembly, the second blade assembly and the third blade assembly can all rotate around the shaft 10, the connecting assembly is fixedly connected with the shaft 10, one end of the third blade assembly is sleeved outside the connecting assembly, and the connecting assembly can be connected with a pipeline. Under the condition of wind, the first blade component and the third blade component rotate under the action of wind force to drive the second blade component to rotate, the second blade component discharges air between the second blade component and the third blade component, and then micro negative pressure is generated between the second blade component and the third blade component, and air in the pipeline is sucked between the second blade component and the third blade component when the second blade component rotates, and is discharged, so that ventilation of the air in the pipeline is realized.
Further, in an embodiment of the present utility model, the second blade assembly includes: a second chassis 31 and a plurality of second blades 32. The second chassis 31 is connected to the first blade assembly and is rotatably connected to the shaft 10, and a plurality of second blades 32 are disposed on a side of the second chassis 31 facing away from the first blade assembly.
Specifically, the first chassis 21 of the first blade assembly is connected to the second chassis 31 by a screw, so that when the first blade 22 rotates, the second chassis 31 can be driven to rotate around the shaft 10, and then the second blade 32 can be driven to rotate, so as to discharge the air in the pipeline.
Further, as shown in fig. 1, in an embodiment of the present utility model, the third blade assembly includes: a third chassis 41 and a plurality of third blades 42. The third chassis 41 is connected to the plurality of second blades 32, and the plurality of third blades 42 are disposed on a side of the third chassis 41 facing away from the second blades 32, wherein a slight negative pressure is formed between the second chassis 31 and the third chassis 41 when the second blades 32 and the third blades 33 rotate.
Specifically, the second chassis 31 is a cylindrical member, one end of the second chassis 31 facing the first blade assembly forms a first expansion port, the first expansion port is connected with the first chassis 21, an inner wall of the second chassis 31 is rotatably connected with the shaft 10, and an outer wall of the second chassis 31 is provided with a plurality of second blades 32. The third chassis 41 is also a cylindrical part, one end of the third chassis 41 facing the second blades 32 forms a second expansion opening, the second expansion opening is welded and connected with the plurality of second blades 32 in a welded mode, a plurality of third blades 42 are arranged on the outer wall of the third chassis 41, and one end of the third chassis 41 is sleeved outside the connecting assembly.
Specifically, in the present embodiment, when the second vane 32 rotates, air in the duct may be sucked between the second chassis 31 and the third chassis 41 and discharged. In this embodiment, the third blade 42 is used to keep dynamic balance when the unpowered fan rotates, and meanwhile, the first blade 22 and the third blade 42 are exposed outside, and in the case of wind, the first blade 22 and the third blade 42 rotate to drive the second blade 32 to rotate, so that the unpowered fan can be ensured to continuously operate even in the case of smaller wind.
Further, as shown in fig. 1, in the embodiment of the present utility model, the unpowered fan further includes a first bearing 51, an inner ring of the first bearing 51 is fixedly connected with the shaft 10, an outer ring of the first bearing 51 is fixedly connected with the first chassis 21, and the first bearing 51 is used for reducing friction between the first chassis 21 and the shaft 10 when the first blade 22 rotates.
Further, as shown in fig. 1, in the embodiment of the present utility model, the unpowered fan further includes a second bearing 52, an inner ring of the second bearing 52 is fixedly connected with the shaft 10, an outer ring of the second bearing 52 is fixedly connected with the second chassis 31, and the second bearing 52 is used for reducing friction between the second chassis 31 and the shaft 10 when the second blade 32 rotates.
As shown in fig. 1, in an embodiment of the present utility model, a connection assembly includes: a connector 61 and an adapter 62. The connecting piece 61 is connected with the shaft 10 and sleeved with one end of the third chassis 41, the adapter piece 62 is sleeved with the connecting piece 61, and the adapter piece 62 is used for connecting with a pipeline.
Specifically, the connecting member 61 is a cylindrical member, and a plurality of ribs are provided on the inner wall of the connecting member 61, and the other ends of the plurality of ribs are connected to a lock nut, which is coupled to the shaft 10, thereby fixing the connecting member 61 to the shaft. The adaptor 62 is also a cylindrical member, one end of the adaptor 62 is sleeved in the connecting member 61 and fixedly connected with the connecting member 61, and the other end of the adaptor 62 is used for being connected with a pipeline. After the connecting piece 61 is fixedly connected with the shaft 10, a part of the connecting piece 61 is sleeved in the third chassis 41, the third blade 42 is positioned outside the connecting piece 61, and under the condition of wind, the first blade 22 and the third blade 42 start to rotate so as to drive the second blade 32 to rotate, and then air in the pipeline is sucked and discharged, so that ventilation of the air in the pipeline is realized.
The unpowered fan provided by the embodiment of the utility model can achieve the ventilation effect through natural wind, is free from maintenance and convenient to use, and can be widely applied to various small-sized ventilation devices to reduce the production cost.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (10)
1. An unpowered fan, comprising:
a shaft;
a first vane assembly rotatably coupled to the shaft;
a vane mechanism coupled to the first vane assembly and rotatably coupled to the shaft;
the connecting component is connected with the shaft, sleeved with one end of the blade mechanism and used for being connected with a pipeline;
under the action of wind force, the first blade assembly and the blade mechanism rotate so as to generate micro negative pressure in the blade mechanism, and then air in the pipeline is discharged by the blade mechanism.
2. The unpowered fan of claim 1, wherein the first blade assembly comprises:
the first chassis is rotationally connected with the shaft and connected with the blade mechanism;
the plurality of first blades are arranged on one side, away from the blade mechanism, of the first chassis.
3. The unpowered fan of claim 2, wherein the vane mechanism comprises:
a second blade assembly coupled to the first blade assembly and rotatably coupled to the shaft;
the third blade assembly is connected with the second blade assembly, and one end of the third blade assembly is sleeved with the connecting assembly;
and when the blade mechanism rotates, micro negative pressure is formed between the second blade assembly and the third blade assembly.
4. The unpowered fan of claim 3, wherein the second blade assembly comprises:
the second chassis is connected with the first blade assembly and is rotationally connected with the shaft;
the second blades are arranged on one side, away from the first blade assembly, of the second chassis.
5. The unpowered fan of claim 4, wherein the third vane assembly comprises:
a third chassis connected to a plurality of the second blades;
the plurality of third blades are arranged on one side of the third chassis, which is away from the second blades;
and when the second blade and the third blade rotate, micro negative pressure is formed between the second chassis and the third chassis.
6. The unpowered fan of claim 4, wherein the second chassis is a cylindrical member, a first expansion port is formed at an end of the second chassis facing the first blade assembly, the first expansion port is connected with the first blade assembly, an inner wall of the second chassis is rotatably connected with the shaft, and a plurality of second blades are arranged on an outer wall of the first chassis.
7. The unpowered fan according to claim 5, wherein the third chassis is a cylindrical member, a second expansion port is formed at one end of the third chassis facing the second blade, the second expansion port is connected with a plurality of second blades, a plurality of third blades are arranged on the outer wall of the third chassis, and one end of the third chassis opposite to the second expansion port is sleeved outside the connecting assembly.
8. The unpowered fan of claim 2 further comprising a first bearing sleeved on the exterior of the shaft and the first chassis sleeved on the exterior of the first bearing.
9. The unpowered fan of claim 4 further comprising a second bearing sleeved outside the shaft and the second chassis sleeved outside the second bearing.
10. The unpowered fan of claim 5, wherein the connection assembly comprises:
the connecting piece is connected with the shaft and sleeved with one end of the third chassis;
and the adaptor is sleeved with the connecting piece and is used for being connected with the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779035.4U CN219733661U (en) | 2023-04-10 | 2023-04-10 | Unpowered fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320779035.4U CN219733661U (en) | 2023-04-10 | 2023-04-10 | Unpowered fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733661U true CN219733661U (en) | 2023-09-22 |
Family
ID=88062685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320779035.4U Active CN219733661U (en) | 2023-04-10 | 2023-04-10 | Unpowered fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733661U (en) |
-
2023
- 2023-04-10 CN CN202320779035.4U patent/CN219733661U/en active Active
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