CN205779782U - A kind of double fan blade axial flow fan device - Google Patents
A kind of double fan blade axial flow fan device Download PDFInfo
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- CN205779782U CN205779782U CN201620485635.XU CN201620485635U CN205779782U CN 205779782 U CN205779782 U CN 205779782U CN 201620485635 U CN201620485635 U CN 201620485635U CN 205779782 U CN205779782 U CN 205779782U
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Abstract
This utility model relates to a kind of blower fan, more particularly, to a kind of double fan blade axial flow fan devices, including driving means, straight barrel type housing, rotary shaft, the first fan blade and the second fan blade；Described driving means is used for driving rotary shaft to rotate；Rotary shaft, the first fan blade and the second fan blade are all located in straight barrel type housing, and the first fan blade and the second fan blade are installed in the top and bottom of rotary shaft respectively.This utility model by installing the first fan blade and the second fan blade respectively in the top and bottom of rotary shaft, when driving means drives rotary shaft to rotate, the first coaxial fan blade and the second fan blade produce Wind Volume spirotheca formula whirlwind, again by the water conservancy diversion of straight barrel type housing, make this whirlwind become direct current wind, form single flow air-introduced machine.A kind of double fan blade axial flow fan devices of this utility model, volume is little, installs simple, produces air quantity big, and ventilation efficiency is high.
Description
Technical field
This utility model relates to a kind of blower fan, more particularly, to a kind of double fan blade axial flow fan devices.
Background technology
Can produce a large amount of dust in the production process of industrial and mining establishment, too many dust enters the healthy of respiratory tract meeting serious harm workman, and conventional way is the ventilation using axial fan to be operated environment.The product air quantity that existing axial fan has is big, but volume is also big, installs complexity；Although some axial fan volumes are little, easy for installation, but it is little to produce air quantity, and ventilation efficiency is low, it is impossible to meet air-conditioning requirement.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of double fan blade axial flow fan devices, and this device volume is little, installs simple, produces air quantity big, and ventilation efficiency is high.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is:
There is provided a kind of double fan blade axial flow fan device, including driving means, straight barrel type housing, rotary shaft, the first fan blade and the second fan blade；Described driving means is used for driving rotary shaft to rotate；Rotary shaft, the first fan blade and the second fan blade are all located in straight barrel type housing, and the first fan blade and the second fan blade are installed in the top and bottom of rotary shaft respectively.
In such scheme, by installing the first fan blade and the second fan blade respectively in the top and bottom of rotary shaft, when driving means drives rotary shaft to rotate, the first coaxial fan blade and the second fan blade produce Wind Volume spirotheca formula whirlwind, again by the water conservancy diversion of straight barrel type housing, make this whirlwind become direct current wind, form single flow air-introduced machine.A kind of double fan blade axial flow fan devices of this utility model, volume is little, installs simple, produces air quantity big, and ventilation efficiency is high.
Preferably, described device also includes that be fixed on straight barrel type housing first fixes leaf blade and second and fix leaf blade；First fixes leaf blade is located between the first fan blade and the second fan blade, and second fixes leaf blade is located at the lower end of the second fan blade.Being provided with of fixing leaf blade helps reduce noise when this device works.
Preferably, described straight barrel type housing includes that upper shell and lower house, upper shell and lower house removably fit together, and the length of upper shell is more than the length of lower house；Rotary shaft, the first fan blade, the second fan blade and first are fixed leaf blade and are all located in upper shell, and second fixes leaf blade is located in lower house.So arrange, when the parts in device break down, upper shell is separated with lower house, it is simple to keep in repair or change the parts broken down.
Preferably, described driving means is to be fixed on the motor of straight barrel type hull outside wall；Described device also includes that belt, the upper end of described rotary shaft are provided with blower fan belt wheel, and straight barrel type housing is provided with the hole passed for belt；The two ends of belt are sheathed on electrical machine belt pulley and the blower fan belt wheel of motor respectively.Driving means is fixed on the lateral wall of straight barrel type housing, it is possible to reduce the rocking of driving means during work, increases the stability during work of this device；During motor work, electrical machine belt pulley rotates, and is rotated by belt drive blower fan belt wheel, so that rotary shaft, the first fan blade and the second fan blade rotate, to produce spirotheca formula whirlwind.
Preferably, the lateral wall of straight barrel type housing is provided with lid, and described lid is used for blocking electrical machine belt pulley.When the setting of lid is not only possible to prevent this blower fan to work, people's imprudence encounters the injury that electrical machine belt pulley causes, but also can protect electrical machine belt pulley, prevents other hard things from damaging electrical machine belt pulley, and then increases service life.
Preferably, the length of the left and right sides of described lid is incremented by the one end near straight barrel type hull outside wall by the one end away from straight barrel type hull outside wall.So arrange the most attractive in appearance, meet human visual, and can further protect electrical machine belt pulley.
Preferably, the first fan blade and the second fan blade are detachably mounted on the top and bottom of rotary shaft.Dismountable mounting means, it is simple to clean the first fan blade and the second fan blade.
Preferably, the first fan blade and the second fan blade are aluminum fan blade.Aluminum fan blade is lightweight, and this is not only easy to the installation of fan blade, and can alleviate the weight of this device.
Compared with prior art, the beneficial effects of the utility model are:
A kind of double fan blade axial flow fan devices of this utility model, by installing the first fan blade and the second fan blade respectively in the top and bottom of rotary shaft, when driving means drives rotary shaft to rotate, the first coaxial fan blade and the second fan blade produce Wind Volume spirotheca formula whirlwind, then by the water conservancy diversion of straight barrel type housing, this whirlwind is made to become direct current wind, forming single flow air-introduced machine, this device volume is little, installs simple, product air quantity is big, and ventilation efficiency is high；Fix leaf blade and second by installing first fixing on straight barrel type housing and fix leaf blade, contribute to reducing the noise during work of this device；By straight barrel type housing is arranged to dismountable upper shell and lower house, when the parts in device break down, upper shell is separated with lower house, it is simple to keep in repair or change the parts broken down；By the first fan blade and the second fan blade are arranged to aluminum fan blade, not only it is easy to the installation of fan blade, and the weight of alleviator.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of pair of fan blade axial flow fan device of the present embodiment.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the sectional view of Fig. 1.
Detailed description of the invention
Below in conjunction with detailed description of the invention, this utility model is further described.Wherein, being merely cited for property of accompanying drawing illustrates, expression is only schematic diagram, rather than pictorial diagram, it is impossible to it is interpreted as the restriction to this patent；In order to of the present utility model embodiment is better described, some parts of accompanying drawing have omission, zoom in or out, and do not represent the size of actual product；It will be understood by those skilled in the art that some known features and explanation thereof may will be understood by omission in accompanying drawing.
The corresponding same or analogous parts of same or analogous label in the accompanying drawing of this utility model embodiment；In description of the present utility model, it will be appreciated that, if have term " on ", D score, " left ", orientation or the position relationship of the instruction such as " right " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore term the being merely cited for property explanation of position relationship described in accompanying drawing, it is not intended that the restriction to this patent, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
Embodiment
The structural representation of a kind of pair of fan blade axial flow fan device of the present embodiment as shown in Figure 1 to Figure 3, including driving means 1, straight barrel type housing 2, rotary shaft the 3, first fan blade 4 and the second fan blade 5；Described driving means 1 is used for driving rotary shaft 3 to rotate；Rotary shaft the 3, first fan blade 4 and the second fan blade 5 are all located in straight barrel type housing 2, and the first fan blade 4 and the second fan blade 5 are installed in the top and bottom of rotary shaft 3 respectively.
When using this blower fan apparatus, driving means 1 drives rotary shaft 3 to rotate, and rotary shaft 3 rotates and drives the first fan blade 4 being installed in rotary shaft 3 and the second fan blade 5 to rotate, to produce Wind Volume spirotheca formula whirlwind, this whirlwind becomes direct current wind by the water conservancy diversion of straight barrel type housing 2, forms single flow air-introduced machine.A kind of double fan blade axial flow fan devices of this utility model, volume is little, installs simple, produces air quantity big, and ventilation efficiency is high.
Wherein, described device also includes that be fixed on straight barrel type housing 2 first fixes leaf blade 6 and second and fix leaf blade 7；First fixes leaf blade 6 is located between the first fan blade 4 and the second fan blade 5, and second fixes leaf blade 7 is located at the lower end of the second fan blade 5.Being provided with of fixing leaf blade helps reduce noise when this device works.
It addition, described straight barrel type housing 2 includes that upper shell 21 and lower house 22, upper shell 21 and lower house 22 removably fit together, and the length of upper shell 21 is more than the length of lower house 22；Rotary shaft the 3, first fan blade the 4, second fan blade 5 and first is fixed leaf blade 6 and is all located in upper shell 21, and second fixes leaf blade 7 is located in lower house 22.So arrange, when the parts in device break down, upper shell 21 is separated with lower house 22, it is simple to keep in repair or change the parts broken down.
Wherein, described driving means 1 is the motor being fixed on straight barrel type housing 2 lateral wall；Described device also includes that belt 8, the upper end of described rotary shaft 3 are provided with blower fan belt wheel 31, and straight barrel type housing 2 is provided with the hole passed for belt 8；The two ends of belt 8 are sheathed on electrical machine belt pulley 11 and the blower fan belt wheel 31 of motor respectively.Driving means 1 is fixed on the lateral wall of straight barrel type housing 2, it is possible to reduce the rocking of driving means 1 during work, increases the stability during work of this device；During motor work, electrical machine belt pulley 11 rotates, and drives blower fan belt wheel 31 to rotate, so that rotary shaft the 3, first fan blade 4 and the second fan blade 5 rotate, to produce spirotheca formula whirlwind by belt 8.
It addition, the lateral wall of straight barrel type housing 2 is provided with lid 9, described lid 9 is used for blocking electrical machine belt pulley 11.When the setting of lid 9 is not only possible to prevent this blower fan to work, people's imprudence encounters the injury that electrical machine belt pulley 11 causes, but also can protect electrical machine belt pulley 11, prevents other hard things from damaging electrical machine belt pulley 11, and then increases service life.
Wherein, the length of the left and right sides of described lid 9 is incremented by, as shown in Figures 1 and 2 to the one end near straight barrel type housing 2 lateral wall by the one end away from straight barrel type housing 2 lateral wall.Specifically, the left and right sides wall of lid 9 is formed by two parts, and the upper end of left and right sides wall is rectangle, and the lower end of left and right sides wall is right angled triangle, one right-angle side of right angled triangle connects rectangle, and another right-angle side connects the sidewall of straight barrel type housing 2.So arrange the most attractive in appearance, meet human visual, and can further protect electrical machine belt pulley 11.
It addition, the first fan blade 4 and the second fan blade 5 are detachably mounted on the top and bottom of rotary shaft 3.Dismountable mounting means, it is simple to clean the first fan blade 4 and the second fan blade 5.
Wherein, the first fan blade 4 and the second fan blade 5 are aluminum fan blade.Aluminum fan blade is lightweight, and this is not only easy to the installation of fan blade, and can alleviate the weight of this device.
Obviously, above-described embodiment of the present utility model is only for clearly demonstrating this utility model example, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.All any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in this utility model scope of the claims.
Claims (8)
1. a double fan blade axial flow fan device, it is characterised in that include driving means (1), straight barrel type housing (2), rotary shaft (3), the first fan blade (4) and the second fan blade (5)；Described driving means (1) is used for driving rotary shaft (3) to rotate；Rotary shaft (3), the first fan blade (4) and the second fan blade (5) are all located in straight barrel type housing (2), and the first fan blade (4) and the second fan blade (5) are installed in the top and bottom of rotary shaft (3) respectively.
The double fan blade axial flow fan device of one the most according to claim 1, it is characterised in that described device also includes that be fixed on straight barrel type housing (2) first fixes leaf blade (6) and second and fix leaf blade (7)；First fixes leaf blade (6) is located between the first fan blade (4) and the second fan blade (5), and second fixes leaf blade (7) is located at the lower end of the second fan blade (5).
The double fan blade axial flow fan device of one the most according to claim 2, it is characterized in that, described straight barrel type housing (2) includes upper shell (21) and lower house (22), upper shell (21) and lower house (22) removably fit together, and the length of upper shell (21) is more than the length of lower house (22)；Rotary shaft (3), the first fan blade (4), the second fan blade (5) and first are fixed leaf blade (6) and are all located in upper shell (21), and second fixes leaf blade (7) is located in lower house (22).
The double fan blade axial flow fan device of one the most according to claim 1, it is characterised in that described driving means (1) is the motor being fixed on straight barrel type housing (2) lateral wall；Described device also includes that belt (8), the upper end of described rotary shaft (3) are provided with blower fan belt wheel (31), and straight barrel type housing (2) is provided with the hole passed for belt (8)；The two ends of belt (8) are sheathed on electrical machine belt pulley (11) and the blower fan belt wheel (31) of motor respectively.
The double fan blade axial flow fan device of one the most according to claim 4, it is characterised in that the lateral wall of straight barrel type housing (2) is provided with lid (9), and described lid (9) is used for blocking electrical machine belt pulley (11).
The double fan blade axial flow fan device of one the most according to claim 5, it is characterised in that the length of the left and right sides of described lid (9) is incremented by the one end near straight barrel type housing (2) lateral wall by the one end away from straight barrel type housing (2) lateral wall.
The double fan blade axial flow fan device of one the most according to claim 1, it is characterised in that the first fan blade (4) and the second fan blade (5) are detachably mounted on the top and bottom of rotary shaft (3).
8. according to a kind of double fan blade axial flow fan devices described in any one of claim 1 to 7, it is characterised in that the first fan blade (4) and the second fan blade (5) are aluminum fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485635.XU CN205779782U (en) | 2016-05-25 | 2016-05-25 | A kind of double fan blade axial flow fan device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485635.XU CN205779782U (en) | 2016-05-25 | 2016-05-25 | A kind of double fan blade axial flow fan device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779782U true CN205779782U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620485635.XU Active CN205779782U (en) | 2016-05-25 | 2016-05-25 | A kind of double fan blade axial flow fan device |
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| CN (1) | CN205779782U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052320A1 (en) * | 2018-09-10 | 2020-03-19 | 宁波奥克斯电气股份有限公司 | Axial-flow fan assembly and air conditioner |
| CN112642810A (en) * | 2020-12-18 | 2021-04-13 | 张风才 | Motor device with air purging structure |
-
2016
- 2016-05-25 CN CN201620485635.XU patent/CN205779782U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020052320A1 (en) * | 2018-09-10 | 2020-03-19 | 宁波奥克斯电气股份有限公司 | Axial-flow fan assembly and air conditioner |
| CN112642810A (en) * | 2020-12-18 | 2021-04-13 | 张风才 | Motor device with air purging structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |