CN210371241U - Portable fan - Google Patents
Portable fan Download PDFInfo
- Publication number
- CN210371241U CN210371241U CN201920585685.9U CN201920585685U CN210371241U CN 210371241 U CN210371241 U CN 210371241U CN 201920585685 U CN201920585685 U CN 201920585685U CN 210371241 U CN210371241 U CN 210371241U
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- fan
- air
- fan blade
- pipe barrel
- air inlet
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- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000004146 energy storage Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a portable fan, including driving motor, air inlet base, first fan blade component and bobbin, wherein: an airflow channel is arranged in the pipe barrel, an air inlet of the airflow channel is positioned at a first end of the pipe barrel, and an air outlet of the airflow channel is positioned at a second end of the pipe barrel; the air inlet base is arranged at the first end of the pipe barrel, and is provided with an installation cavity and a plurality of air inlet channels; the driving motor is arranged in the installation cavity, and the first fan blade component is arranged in the airflow channel of the pipe barrel in a manner of being coaxial with the pipe barrel and rotates under the driving of the driving motor; the first fan blade component comprises a belt-shaped fan blade, and the belt-shaped fan blade is spirally distributed by taking a rotating shaft of the first fan blade component as a center; the utility model discloses a set up bobbin and first fan blade component, be favorable to increasing the wind-force contact surface, improve air supply efficiency and reduce wind-force start-up load, the radiating effect is good and can the noise elimination, and the practicality is high.
Description
Technical Field
The embodiment of the utility model provides a fan technical field, more specifically say, relate to a portable fan that air supply efficiency is high.
Background
With the continuous development of science and technology, people use the electric fan, the fan blades are driven by the motor to enable air to flow, and people can easily and conveniently enjoy the coolness of artificial wind in summer; in the later stage, in order to further improve the practicability, a battery is added in the electric fan to realize non-utilization, and the electric fan is convenient to carry.
At present, the passive fans which can be carried about in the market are various in types, and generally, an energy storage battery is used for supplying power for a driving motor, and then the driving motor drives a common fan blade component to rotate and supply air; generally, in order to improve the portability of consumers, the volume of common fan blade components and other components is required to be reduced; however, the air supply efficiency of the common fan blade component with smaller volume is low, so that the prior portable fan supplying air through the common fan blade component can not achieve better heat dissipation effect, and the practicability is relatively insufficient.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a to above-mentioned current portable fan air supply inefficiency, radiating effect not good and the comparatively not enough problem of practicality, provide a new portable fan.
The embodiment of the utility model provides a solve above-mentioned technical problem's technical scheme is, provide a portable fan, including driving motor, air inlet base, first fan blade component and bobbin, wherein: an airflow channel is arranged in the pipe barrel, an air inlet of the airflow channel is positioned at a first end of the pipe barrel, and an air outlet of the airflow channel is positioned at a second end of the pipe barrel; the air inlet base is arranged at the first end of the pipe barrel, and is provided with an installation cavity and a plurality of air inlet channels which are respectively communicated with the air inlets of the airflow channels; the driving motor is arranged in the installation cavity, and the first fan blade component is arranged in the airflow channel of the pipe barrel in a manner of being coaxial with the pipe barrel and rotates under the driving of the driving motor; the first fan blade component comprises a belt-shaped fan blade, and the belt-shaped fan blade is spirally distributed by taking the rotating shaft of the first fan blade component as the center.
Preferably, the axial dimension of the first fan blade component is greater than the radial dimension of the first fan blade component; the fan further comprises an air guide support, and the air guide support is arranged at the air outlet of the pipe barrel.
Preferably, the first fan blade component includes two strip-shaped fan blades, an angle of rotation of each strip-shaped fan blade along the rotating shaft of the first fan blade component is not less than 90 °, and on any radial cross section of the first fan blade component, the two strip-shaped fan blades are separated by 180 °.
Preferably, the fan further comprises at least one second blade member located in the tube, and the second blade member is directly connected with the first blade member or movably connected with the first blade member through a bearing support; the second fan blade component is provided with a plurality of fan blades in the same wind sweeping surface.
Preferably, the fan includes two first blade members, and each of the first blade members is directly connected or indirectly connected through at least one of the second blade members.
Preferably, the wind guide support, the pipe barrel and the air inlet base are all cylindrical and coaxially connected in shape, and the diameter of the pipe barrel is smaller than that of the wind guide support and the air inlet base.
Preferably, the air inlet channel on the air inlet base is arranged around the installation cavity, and the opening of each air inlet channel is positioned on the side surface of the air inlet base;
the pipe barrel is arranged in a transparent mode, and a clamping groove used for fixing the pipe barrel is formed in the top of the air inlet base.
Preferably, the portable fan further comprises a motor mounting seat, an energy storage battery and a control module, the driving motor is fixedly mounted on the motor mounting seat, the energy storage battery and the control module are mounted in the mounting cavity, and a button for controlling the driving motor is arranged at the edge of the control module;
the periphery of the control module is sleeved with a switch sleeve which is annularly arranged, and the switch sleeve is provided with a switch part corresponding to the button;
the portable fan is also provided with a base sealing cover, and the base sealing cover is attached to the switch sleeve and seals the control module, the energy storage power supply and the driving motor in the installation cavity.
Preferably, the base cover is provided with two positioning columns protruding towards the mounting cavity, and the free ends of the positioning columns are connected and attached to the bottom of the air inlet base;
the control module and the motor mounting seat are respectively provided with a positioning groove corresponding to each positioning column, and the distance between the two positioning columns is larger than or equal to the width of the energy storage battery.
Preferably, the bottom of the wind guide support is provided with a bearing which is movably connected with the first fan blade component, and a cylindrical mounting cavity is arranged in the wind guide support;
an air guide plate component is arranged at an opening at the top of the air guide support and comprises a plurality of air guide plates which are spliced into a hemisphere, and a plurality of air guide openings are formed by gaps among the air guide plates; the air deflector component is movably arranged in the cylindrical installation cavity of the air guide bracket.
The utility model discloses portable fan has following beneficial effect: the first fan blade component with the strip-shaped fan blades is beneficial to increasing the wind contact surface, improving the air supply efficiency and reducing the wind starting load, has high stability, can output larger air volume under the condition of occupying smaller space volume, and has good heat dissipation effect; in addition, the pipe barrel is arranged, and the first fan blade component is arranged in the airflow channel of the pipe barrel, so that the generated noise can be reflected or absorbed, the noise reduction effect is improved, and the practicability is high.
Drawings
Fig. 1 is a schematic structural diagram of a portable fan according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an interior of a portable fan according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a portable fan according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a portable fan according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of the interior of a portable fan according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a portable fan according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of the interior of a portable fan according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a schematic structural diagram of a portable fan according to an embodiment of the present invention, which can be applied to the field of fan technology, especially a portable fan with a better heat dissipation effect. Referring to fig. 2 and 3, the portable fan in this embodiment includes a driving motor 3, an air intake base 1, a first blade member 21, and a pipe barrel 4, wherein: the interior of the tube 4 is provided with an airflow channel 41, and an air inlet of the airflow channel 41 is located at a first end of the tube 4, and an air outlet of the airflow channel 41 is located at a second end of the tube 4; the air inlet base 1 is installed at the first end of the pipe barrel 4, and the air inlet base 1 is provided with an installation cavity 111 and a plurality of air inlet channels 112 which are respectively communicated with the air inlets of the airflow channels 41; the driving motor 3 is arranged in the mounting cavity 111, the first fan blade component 21 is arranged in the airflow channel of the pipe barrel 4 in a manner of being coaxial with the pipe barrel 4, and rotates under the driving of the driving motor 3; the first blade member 21 includes a belt-shaped blade 211, and the belt-shaped blade 211 is spirally distributed around the rotation axis of the first blade member 21.
The portable fan is provided with the first fan blade component 21 with the strip-shaped fan blades 211, so that the increase of a wind power contact surface is facilitated, the air supply efficiency is improved, the wind power starting load is reduced, the requirement on the starting wind speed can be effectively reduced, the stability is improved, the first fan blade component 21 can output larger wind volume under the condition of occupying smaller space volume, and the heat dissipation effect is improved; in addition, still through setting up the bobbin 4 and installing first fan blade component 21 in the airflow channel 41 of bobbin 4, be favorable to reflecting or absorbing the noise that produces, improve noise reduction effect to the kinetic energy of the gas that the bobbin 4 can be passed through first fan blade component 21 combustion gas converts pressure energy into, makes the atmospheric pressure in the first fan blade component 21 be less than the atmospheric pressure outside the bobbin 4 (i.e. the atmospheric pressure of the air inlet department of bobbin 4), makes the gas constantly circulate and flows, improves air supply efficiency, and the practicality is high.
Specifically, the axial dimension of the first fan blade member 21 is greater than the radial dimension of the first fan blade member 21, which can improve the strength of the fan blades of the first fan blade member 21, and make the structure more reasonable and reliable.
Further, the portable fan of the present embodiment further includes an air guiding bracket 6, and the air guiding bracket 6 is installed at the air outlet of the tube 4. Therefore, the main body part of the fan is formed by the air inlet base 1, the fan blade component 2 and the air guide bracket 6, so that the structure is more compact, the integration level is higher, the size is small, and the portable fan is convenient to carry; in addition, the pipe barrel 4 can also protect the first fan blade component 21, prolong the service life of the first fan blade component 21, avoid hands from touching the first fan blade component 21 and improve the safety factor.
Particularly, the first fan blade member 21 includes two strip-shaped fan blades 211, an angle of rotation of each strip-shaped fan blade 211 along the rotating shaft of the first fan blade member 21 is not less than 90 °, and on any radial cross section of the first fan blade member 21, the two strip-shaped fan blades 211 are separated by 180 °, that is, each strip-shaped fan blade 211 is uniformly and spirally distributed on the rotating shaft of the first fan blade member 21, so that the first fan blade member 21 is stressed more uniformly, which is beneficial to improving the air supply efficiency, and the stability and reliability are higher. Of course, in practical applications, the first fan member 21 may include three strip-shaped fan blades 211, but this will greatly increase the power loss of the motor.
As shown in fig. 4 and 5, the portable fan further includes at least one second blade member 22 located in the barrel 4, the second blade member 22 is directly connected to the first blade member 21 or movably connected to the first blade member by a bearing support 23, and the second blade member 22 has a plurality of blades in the same wind sweeping plane; specifically, the bearing support 23 may be installed and fixed at the bottom of the first fan blade member 21, and then the top end of the second fan blade member 22 is connected and fixed to the bearing 231 of the bearing support 23, and the movable connection capable of rotating relatively is realized through the connection and the matching of the bearing 231. Therefore, through the cooperation of the first fan blade member 21 and the second fan blade member 22, the first fan blade member 21 can drive the gas to form a forward airflow, and the gas at the front end and the rear end of the first fan blade member 21 has a circumferential speed along the rotation direction of the first fan blade member 21, so that the rotation efficiency of the second fan blade member 22 can be improved, the air supply efficiency is improved, and the portable fan of the embodiment has a better heat dissipation effect.
Certainly, in practical application, the second fan blade member 22 may also be disposed above the second fan blade member 21, that is, the bearing support 23 may be fixed at the top end of the first fan blade member 21, and then the bottom of the second fan blade member 22 is connected and fixed to the bearing 231 of the bearing support 23; or a second fan blade member 22 can be arranged above and below the first fan blade member 21 at the same time, and then each second fan blade member 22 is respectively connected and fixed on the first fan blade member 21 through a bearing support 23.
Referring to fig. 6 and 7, the portable fan includes two first blade members 21, and each of the first blade members 21 is directly connected or indirectly connected through at least one second blade member 22. In practical application, the number and the connection position of the first fan blade member 21 and the second fan blade member 22 can be adjusted according to practical situations, so as to meet practical requirements and achieve the best heat dissipation effect.
In order to improve the portability of the portable fan, the air guide bracket 6, the pipe barrel 4 and the air inlet base 1 are all cylindrical and coaxially connected, so that the loss of air volume can be reduced through coaxial connection, and the air supply efficiency is improved; in addition, the diameter of bobbin 4 is less than the diameter of wind guide support 6 and air inlet base 1, forms annular groove in the centre of the portable fan of this embodiment promptly, conveniently grips and carries, improves handheld stability, is difficult for the drunkenness and drops, and the reliability is sufficient.
Specifically, the air inlet channels 112 on the air inlet base 1 are uniformly arranged around the mounting cavity 111, and the opening of each air inlet channel 112 is located on the side surface of the air inlet base 1; that is, when the fan is started to operate, air enters the airflow channel 41 from the side surface of the air inlet base 1 through the plurality of air inlets 112, and then the air is discharged in an airflow form by the first fan blade member 21 and the second fan blade member 22 in the airflow channel 41, the structure is simple and reliable, and the plurality of air inlets 112 are uniformly distributed around the vertical axis, so that the aesthetic degree of the appearance can be improved, and the portable fan of the embodiment is more popular.
Furthermore, the pipe barrel 4 is transparent, so that the operation state of the first fan blade component 21 or the second fan blade component 22 can be directly observed, the internal situation can be visually known, and the convenience of maintenance can be improved; in addition, the top of the air inlet base 1 is provided with a clamping groove for fixing the pipe barrel 4, and the pipe barrel 4 can be limited and fixed. In practical application, an annular clamping position can be arranged in the clamping groove, and then the annular groove corresponding to the annular clamping position is arranged on the pipe barrel 4, so that the connection between the pipe barrel 4 and the air inlet base 1 is firmer, and the stability and the reliability of the connection are improved.
In addition, the portable fan further comprises a motor mounting seat 9, an energy storage battery 7 (such as a lithium battery) and a control module 8 (including a circuit board), the driving motor 3 is fixedly mounted on the motor mounting seat 9, the energy storage battery 7 is in conductive connection with the control module 8, and the control module 8 is in conductive connection with the driving motor 3. And, the energy storage battery 7 and the control module 8 are installed in the installation cavity 111. The portable fan of this embodiment is through effectively integrating motor drive motor 3, mount pad 9, energy storage battery 7 and control module 8 in installation cavity 111 and protect, can prevent dust protection to the inside spare part of installation cavity 111, prevents ageing, prolongs its life.
A button 81 for controlling the driving motor 3 is arranged at the edge of the control module 8, a switch sleeve 12 which is annularly arranged is sleeved on the periphery of the control module 8, and the switch sleeve 12 is provided with a switch part corresponding to the button 81; the control module 8 and the button 81 mounted thereon can be protected, and the service life of the button 81 can be prolonged.
For the convenience of improving the maintenance, the portable fan of this embodiment still has base closing cap 13, and base closing cap 13 is connected and seals control module 8, energy storage power supply 7 and driving motor 3 in installation cavity 111 with the laminating of switch cover 12, and base closing cap 13 is dismantled to the accessible, directly maintains installing the spare part in installation cavity 111 inside, makes to maintain convenient and fast more, and the operating feasibility is high, and the practicality is strong.
The base cover 13 has two positioning columns protruding toward the mounting cavity 111, and the free ends of the positioning columns 131 are connected and attached to the bottom of the air inlet base 13; in practical application, through holes are formed in the positioning columns 131, then threaded holes corresponding to the through holes are formed in the air inlet base 13, and the base cover 13 is fixed on the air inlet base 13 through additional screws.
In particular, positioning grooves corresponding to each positioning column 131 may be respectively disposed on the control module 8 and the motor mounting base 9, and the distance between two positioning columns 131 is greater than or equal to the width of the energy storage battery 7. Then carry out spacing fixed to control module, motor mount pad 9 and energy storage battery 7 through reference column 131, simple structure is reasonable, can effectively avoid the drunkenness to cause the damage and influence life, improves stability and reliability.
The bottom of the wind guide support 6 is provided with a bearing 5 which is movably connected with the first fan blade component 21, and a cylindrical mounting cavity is arranged in the wind guide support 6; an air guide plate component 61 is arranged at an opening at the top of the air guide support 6, the air guide plate component 61 comprises a plurality of air guide plates, the air guide plates are spliced into a hemisphere, and a plurality of air guide openings are formed by gaps among the air guide plates; specifically, the air guide plate member 61 is movably mounted in a cylindrical mounting cavity of the air guide bracket 6.
In practical application, an annular groove can be formed in the cylindrical installation cavity of the air guide support 6, a convex part corresponding to the annular groove is arranged on the outer side of the air guide plate component 61, the convex part of the air guide plate component 61 is clamped into the annular groove of the cylindrical installation cavity, the movable connection between the air guide plate component 61 and the air guide support 6 is achieved, and a user can adjust the position of the air guide plate 61 according to actual requirements, so that the air blowing angle is controlled, and the practicability is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a portable fan, its characterized in that includes driving motor, air inlet base, first fan blade component and bobbin, wherein: an airflow channel is arranged in the pipe barrel, an air inlet of the airflow channel is positioned at a first end of the pipe barrel, and an air outlet of the airflow channel is positioned at a second end of the pipe barrel; the air inlet base is arranged at the first end of the pipe barrel, and is provided with an installation cavity and a plurality of air inlet channels which are respectively communicated with the air inlets of the airflow channels; the driving motor is arranged in the installation cavity, and the first fan blade component is arranged in the airflow channel of the pipe barrel in a manner of being coaxial with the pipe barrel and rotates under the driving of the driving motor; the first fan blade component comprises a belt-shaped fan blade, and the belt-shaped fan blade is spirally distributed by taking the rotating shaft of the first fan blade component as the center.
2. The portable fan of claim 1 wherein the axial dimension of said first blade member is greater than the radial dimension of said first blade member; the fan further comprises an air guide support, and the air guide support is arranged at the air outlet of the pipe barrel.
3. The portable fan according to claim 1, wherein the first blade member comprises two strip-shaped blades, each of the strip-shaped blades rotates along the rotation axis of the first blade member by an angle not less than 90 °, and the two strip-shaped blades are separated by 180 ° in any radial cross section of the first blade member.
4. The portable fan according to claim 2 or 3, further comprising at least one second blade member disposed in the barrel, wherein the second blade member is directly connected to the first blade member or movably connected to the first blade member through a bearing support; the second fan blade component is provided with a plurality of fan blades in the same wind sweeping surface.
5. The portable fan of claim 4, wherein the fan comprises two first blade members, and each of the first blade members is directly connected or indirectly connected through at least one of the second blade members.
6. The portable fan as claimed in claim 2, wherein the air guide bracket, the tube and the air inlet base are all cylindrical and coaxially connected, and the diameter of the tube is smaller than that of the air guide bracket and the air inlet base.
7. The portable fan as claimed in claim 1, wherein the air intake channel on the air intake base is disposed around the installation cavity, and the opening of each air intake channel is located on the side of the air intake base;
the pipe barrel is arranged in a transparent mode, and a clamping groove used for fixing the pipe barrel is formed in the top of the air inlet base.
8. The portable fan as claimed in claim 1, further comprising a motor mounting seat, an energy storage battery and a control module, wherein the driving motor is fixedly mounted on the motor mounting seat, the energy storage battery and the control module are mounted in the mounting cavity, and a button for controlling the driving motor is arranged at an edge of the control module;
the periphery of the control module is sleeved with a switch sleeve which is annularly arranged, and the switch sleeve is provided with a switch part corresponding to the button;
the portable fan is also provided with a base sealing cover, and the base sealing cover is attached to the switch sleeve and seals the control module, the energy storage power supply and the driving motor in the installation cavity.
9. The portable fan as claimed in claim 8, wherein the base cover has two positioning posts protruding toward the mounting cavity, and free ends of the positioning posts are connected and attached to the bottom of the air intake base;
the control module and the motor mounting seat are respectively provided with a positioning groove corresponding to each positioning column, and the distance between the two positioning columns is larger than or equal to the width of the energy storage battery.
10. The portable fan as claimed in claim 2, wherein the bottom of the wind guide bracket is provided with a bearing for movably connecting with the first blade member, and the wind guide bracket is internally provided with a cylindrical mounting cavity;
an air guide plate component is arranged at an opening at the top of the air guide support and comprises a plurality of air guide plates which are spliced into a hemisphere, and a plurality of air guide openings are formed by gaps among the air guide plates; the air deflector component is movably arranged in the cylindrical installation cavity of the air guide bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920585685.9U CN210371241U (en) | 2019-04-26 | 2019-04-26 | Portable fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920585685.9U CN210371241U (en) | 2019-04-26 | 2019-04-26 | Portable fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210371241U true CN210371241U (en) | 2020-04-21 |
Family
ID=70258859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920585685.9U Active CN210371241U (en) | 2019-04-26 | 2019-04-26 | Portable fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210371241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944820A (en) * | 2019-04-26 | 2019-06-28 | 深圳市艾诺士科技有限公司 | Portable fan |
-
2019
- 2019-04-26 CN CN201920585685.9U patent/CN210371241U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944820A (en) * | 2019-04-26 | 2019-06-28 | 深圳市艾诺士科技有限公司 | Portable fan |
| CN109944820B (en) * | 2019-04-26 | 2024-04-05 | 深圳市艾诺士科技有限公司 | Portable fan |
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