CN212867982U - Tube type hand-held fan - Google Patents
Tube type hand-held fan Download PDFInfo
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- CN212867982U CN212867982U CN202021571365.7U CN202021571365U CN212867982U CN 212867982 U CN212867982 U CN 212867982U CN 202021571365 U CN202021571365 U CN 202021571365U CN 212867982 U CN212867982 U CN 212867982U
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- fan
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- air
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- 230000007704 transition Effects 0.000 claims abstract description 11
- 241000883990 Flabellum Species 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 239000003205 fragrance Substances 0.000 claims description 4
- 230000003796 beauty Effects 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims 2
- 210000004209 hair Anatomy 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002537 cosmetic Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a handheld fan of tube cylinder, flabellum in including the shell body and locating the shell body, including a motor, an end cap, a controller, and a power supply, the motor is connected in flabellum and electricity and is connected in control circuit board, the shell body includes the handle and locates the fan body of handle one end, the fan body is tubular structure and its one end is equipped with air inlet grid dish, the other end of the fan body forms the air outlet relative with air inlet grid dish, air inlet grid dish is including the array tube hole that has certain degree of depth, and air inlet grid dish place plane is less than the lateral wall terminal surface of the fan body, still be equipped with the transition inclined plane between the lateral wall of air inlet grid dish and the fan body. The air inlet grid disc has a good rectifying effect, so that the generation of aerodynamic noise caused by turbulent flow can be avoided, and the noise generated by lateral high-speed airflow passing through the edge opening can be avoided by the transition inclined plane, so that the handheld fan has low noise; the air inlet grid disc also enables the outlet air to gather, improves the air speed, increases the air supply distance, and can not roll up long hair, and is safer to use.
Description
Technical Field
The utility model relates to the technical field of fans, especially, relate to a fan is handed to tube cylinder formula.
Background
The portable fan is small and exquisite, convenient to carry and convenient to use at a short distance, so that the portable fan is popular with more people. The conventional portable fan generally uses a motor to drive an axial flow fan blade, air flows in from the rear end of the blade and flows out from the front edge of the blade after being boosted through the blade, and the matching quality of the axial flow fan blade and air flow has important influence on the energy efficiency ratio, noise and the like of the fan.
The existing portable fan consists of a flat fully-open front and rear mesh enclosure, and utilizes side air inlet, so that the existing portable fan is easy to roll long hairs and has potential safety hazards; in addition, air is diffused in a scattering state when flowing out of the blades under the action of centrifugal force, so that the flow velocity of air flow discharged out of the blades is reduced, air is diffused, the air supply distance is short, the air flow cannot carry out convective heat transfer aiming at a small area, and the energy efficiency ratio of the electric fan is reduced; moreover, the fan head part of the existing portable fan is large in size, inconvenient to package and carry and single in function.
Therefore, there is a need for a tube-type handheld fan with long air blowing distance, low noise, multiple functions, portability and safety in use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipe cylinder type hand-held fan that air supply distance is far away, the noise is little, the function is various and portable, safe in utilization.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a hand-held fan of tube cylinder formula, includes the shell body and locates flabellum, motor, control circuit board and power in the shell body, the motor connect in the flabellum, just the motor the power electricity respectively connect in control circuit board, wherein, the shell body includes the handle and locates the fan body of handle one end, the fan body is tubular structure and its one end is equipped with air inlet grid dish, the other end of the fan body form with the air outlet that air inlet grid dish is relative, air inlet grid dish is including the array tube hole that has the certain degree of depth, just air inlet grid dish place plane is less than the lateral wall terminal surface of the fan body, air inlet grid dish with still be equipped with transition inclined plane between the lateral wall of the fan body.
Preferably, the air inlet grid disc is of a honeycomb structure.
Preferably, the included angle between the transition inclined plane and the plane of the air inlet grid disc is between 15 degrees and 75 degrees, so that the noise generated when lateral high-speed air flow passes through the edge opening is avoided.
Preferably, an inner cylinder is arranged in the fan body, the inner cylinder and the inner wall of the fan body are concentrically arranged, an air outlet channel is formed between the inner cylinder and the inner wall of the fan body, the fan blade is arranged at one end of the inner cylinder and is opposite to the air inlet grid disc, and the motor is contained in the inner cylinder and protrudes out of the inner cylinder to be connected with the fan blade.
Preferably, the tube-type handheld fan further comprises a plurality of stationary blades arranged between the inner tube and the inner wall of the fan body, and each stationary blade is of an arc-shaped structure.
Preferably, the fan blade includes a plurality of blades arranged at intervals, each of the blades is of an arc-shaped structure, and a bending direction of the blade is opposite to a bending direction of the stationary blade.
Preferably, the fan blade further comprises a hub, each blade is arranged on the hub at intervals, one end of the hub, which is close to the air inlet grid disc, is of a curved surface structure, and one end of the hub, which is close to the inner cylinder, is provided with a plurality of conical surfaces at intervals.
Preferably, one end of the hub, which is close to the air inlet grid disc, is a spherical surface, and the conical surface is correspondingly arranged below the blades.
Preferably, the tube type handheld fan further comprises a fragrance body and a make-up mirror, and the fragrance body and the make-up mirror are sequentially mounted on the inner tube.
Preferably, the outer shell further comprises a rear cover connected to the inner barrel, and the fragrance body and the beauty mirror are sequentially mounted on the rear cover.
Compared with the prior art, because the utility model discloses a tube-type handheld fan, its fan body is the tubular structure and its one end is equipped with the air inlet grid dish, this air inlet grid dish is including the array tube hole that has certain degree of depth, therefore the air inlet grid dish plays fine rectification effect, thereby avoid forming the vortex and produce the aerodynamic noise, and the plane that the air inlet grid dish is located is less than the lateral wall terminal surface of fan body, still be equipped with the transition inclined plane between the lateral wall of air inlet grid dish and fan body, thereby avoid the noise that the high-speed air current of side direction produced through the rim mouth, make the tube-type handheld fan of this application have less noise; in addition, the fan body in the cylindrical structure enters air through the air inlet grid disc at one end of the fan body, namely side air inlet is not needed, compared with the existing side air inlet mode, on one hand, air outlet is gathered, the air speed is improved, and therefore the air supply distance is increased, on the other hand, the tubular handheld fan cannot be rolled to long hair, and the use is safer; moreover, the fan body has smaller volume, is convenient to package and carry and is more convenient to use.
Drawings
Fig. 1 is a schematic structural view of a tube-type handheld fan according to the present invention.
Fig. 2 is a schematic view of the structure of fig. 1 from another angle.
Fig. 3 is a side view of fig. 1.
Fig. 4 is a cross-sectional view of fig. 1.
Fig. 5 is an enlarged schematic view of a portion a in fig. 4.
Fig. 6 is an exploded view of fig. 1.
Fig. 7 is a schematic view of the structure of fig. 6 from another angle.
FIG. 8 is an enlarged view of the fan blade shown in FIG. 6.
FIG. 9 is an enlarged view of the fan blade of FIG. 7.
Fig. 10 is a schematic view of the outer housing of fig. 6 at another angle.
Fig. 11 is a schematic view of the structure of fig. 10 from another angle.
Fig. 12 is a schematic structural view of the upper case of fig. 10.
Fig. 13 is a structural schematic view of the lower housing of fig. 10 at another angle.
Detailed Description
Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout.
First, as shown in fig. 1-6, the utility model provides a tube-type handheld fan 1, including shell body 10 and locate flabellum 20 in the shell body 10, motor 30, control circuit board 40 and power 50, the electricity is connected with operating button 41 on the control circuit board 40, this operating button 41 protrusion is in shell body 10, motor 30, power 50 are connected in control circuit board 40 respectively, motor 30 still connects in flabellum 20 simultaneously, when operating button 41 was operated, control circuit board 40 was according to operating signal control motor 30 according to the mode drive flabellum 20 rotation of user's selection. The power source 50 is a rechargeable battery, but not limited thereto, and other power sources may be used to supply power to the motor 30 and the control circuit board 40.
Referring to fig. 1 to 5, in the present invention, the outer casing 10 includes a fan body 11 and a handle 12, and the fan body 11 is disposed at one end of the handle 12. The fan body 11 is of a cylindrical structure, an air inlet grid disc 111 is arranged at one end of the fan body 11, an air outlet 112 is formed at the other end of the fan body 11, and the air outlet 112 is arranged opposite to the air inlet grid disc 111; in addition, the plane of the air inlet grid disc 111 is lower than the end surface of the side wall of the fan body 11, a transition inclined plane 113 is arranged between the air inlet grid disc 111 and the side wall of the fan body 11, and the air inlet grid disc 111 is provided with array tube holes 1111 with a certain depth. The fan blade 20 and the motor 30 are both arranged in the fan body 11, and the fan blade 20 is opposite to the air inlet grid disc 111; the power source 50 and the control circuit board 40 are accommodated in the handle 12, and the operation button 41 protrudes from the handle 12 and is located at one side of the air outlet 112. After a user holds the handle 12 and operates the operation button 41, the control circuit board 40 controls the motor 30 to operate according to a mode selected by the user, the motor 30 drives the fan blades 20 to rotate, so that high-speed airflow enters the fan body 11 through the tube holes 1111 on the air inlet grid disc 111, passes through an annular surface formed by the diameter direction of the fan blades 20, and finally flows out through the air outlet 112.
Referring to fig. 1, 4-5 and 12, in the present invention, the air inlet grid plate 111 is preferably a honeycomb structure, and a plurality of pipe holes 1111 with a certain depth are formed thereon, i.e. the air inlet grid plate 111 has a certain thickness, as shown in fig. 4-5, the honeycomb structure air inlet grid plate 111 has a good rectifying function for the air flow, thereby preventing the formation of turbulent flow and generating aerodynamic noise. In addition, the included angle a between the transition inclined surface 113 and the plane of the air inlet grid disc 111 is preferably between 15 degrees and 75 degrees (see fig. 5), so that the noise generated by the lateral high-speed air flow passing through the edge opening can be avoided. Of course, the inclination angle of the transition slope 113 is not limited in the present embodiment.
Referring to fig. 4-7, an inner cylinder 13 is further disposed in the fan body 11, the inner cylinder 13 is disposed at an end close to the air outlet 112 and has a bottom wall, the inner cylinder 13 and the inner wall of the fan body 11 are concentrically disposed, an air outlet channel is formed between the inner cylinder 13 and the inner wall of the fan body 11, the inner wall of the inner cylinder 13 is provided with a plurality of positioning ribs 131, the motor 30 is accommodated in the inner cylinder 13 and positioned by the positioning ribs 131, an output shaft of the motor 30 protrudes out of the bottom wall of the inner cylinder 13, the fan blades 20 are mounted on the bottom wall of the inner cylinder 13 and connected to the output shaft of the motor 30, and the fan blades 20 are opposite to the.
More specifically, a plurality of stationary blades 14 are further arranged between the inner cylinder 13 and the inner wall of the fan body 11, each stationary blade 14 is of an arc-shaped structure, and the inner cylinder 13, the inner wall of the fan body 11 and the stationary blades 14 are matched to form a guiding and drainage structure, so that outlet air is gathered, the air speed is increased, the air supply distance is further, and peripheral air flow can be driven to flow together.
Referring now to fig. 4-9, blade 20 includes a hub 21 and a plurality of blades 22 spaced apart from hub 21, each blade 22 having an arcuate configuration. More specifically, the two ends of the hub 21 respectively form an air inlet end 211 and an air outlet end 212, each blade 22 is connected to the air outlet end 212 at intervals, the air inlet end 211 is preferably a curved surface structure, the air outlet end 212 is provided with a plurality of tapered surfaces 213 at intervals, and the tapered surfaces 213 are correspondingly disposed below the blades 22, as shown in fig. 8-9. After the mounting, the hub 21 is mounted on the bottom wall of the inner cylinder 13 and connected to the motor 30, the air inlet end 211 of the hub 21 faces the air inlet grid disc 111, and the end of each blade 22 is spaced from the inner wall of the fan body 11 to form an annular surface for the airflow to pass through, as shown in fig. 4, and the bending direction of the blade 22 is opposite to that of the stationary blade 2214. The air inlet end 211 of the hub 21 is of a curved surface structure, which is beneficial to pressurization, so that the air speed is improved, the air supply distance is longer, and the arrangement of the conical surface 213 is convenient for mold opening treatment during the molding of the fan blade 20; the cooperation of the blades 22 and the stationary blades 14 gathers the outlet air, further increases the wind speed, and further increases the air supply distance.
More preferably, the air inlet end 211 of the hub 21 in the present invention is a spherical surface, but not limited thereto.
Referring to fig. 1-4 and 6-7, in the present invention, the fan body 11 and the handle 12 of the outer casing 10 are formed by engaging an upper casing 10a and a lower casing 10 b. More specifically, the upper casing 10a and the lower casing 10b are substantially symmetrical in structure, wherein the upper casing 10a includes a first cylinder 11a and a first handle 12a, the first cylinder 11a is disposed at one end of the first handle 12a, the air inlet grid disc 111 is disposed on the first cylinder 11a, and the air inlet grid disc 111, the first cylinder 11a and the first handle 12a are preferably integrally formed, but not limited thereto, and may be separately formed and then fixed as a whole. Correspondingly, the lower case 10b includes a second cylinder 11b corresponding to the first cylinder 11a and a second handle 12b corresponding to the first handle 12a, an air outlet 112 is formed at an end opening of the second cylinder 11b, the inner cylinder 13 and the stationary blade 14 are both provided in the second cylinder 11b, and the inner cylinder 13 and the stationary blade 14, the second cylinder 11b, and the second handle 12b are preferably integrally formed, but not limited thereto, and may be integrally formed after being separately formed.
Referring to fig. 10-11, a snap and a snap hole are provided between the upper housing 10a and the lower housing 10 b. In an embodiment, a plurality of first clamping grooves 13a are concavely formed in an inner wall of the upper casing 10a, a first clamping block 14a is disposed in each first clamping groove 13a, a clamping piece 13b corresponding to the first clamping groove 13a is disposed at an edge of a side wall of the lower casing 10b, a first clamping hole 14b is formed in the clamping piece 13b, when the upper casing 10a and the lower casing 10b are connected in a matching manner, the clamping piece 13b is inserted into the first clamping groove 13a of the upper casing 10a, and the first clamping block 14a is clamped in the first clamping hole 14b, so that the upper casing 10a and the lower casing 10b are conveniently assembled.
With continued reference to fig. 10-13, the outer housing 10 further includes a middle housing 15 and a rear cover 16, the middle housing 15 being connected to the end of the handle 12, and the rear cover 16 being connected to the inner barrel 13. Specifically, the end of the upper casing 10a is further protruded with a first protruding rib 15a, the first protruding rib 15a is provided with a first locking protrusion 16a, the end of the lower casing 10b is protruded with a second protruding rib 15b corresponding to the first protruding rib 15a, and the second protruding rib 15b is provided with a second locking protrusion 16 b. After the upper shell 10a and the lower shell 10b are correspondingly clamped, the first protruding rib 15a and the second protruding rib 15b are enclosed into a circular ring shape, and the first clamping protrusion 16a and the second clamping protrusion 16b protrude along the radial direction of the circular ring structure. Correspondingly, the inner wall of the middle shell 15 is provided with a clamping gap 151, when in connection, the middle shell 15 is clamped outside the first convex rib 15a and the second convex rib 15b, and the first clamping protrusion 16a and the second clamping protrusion 16b are clamped in the clamping gap 151 to realize connection, and the structure also has the characteristic of convenient assembly.
Furthermore, the inner wall of the middle housing 15 is further provided with a positioning protrusion 152, the first protruding rib 15a or/and the second protruding rib 15b is provided with a positioning notch corresponding to the positioning protrusion 152, in a specific embodiment, the second protruding rib 15b is provided with a positioning notch 17b (see fig. 11), and after the middle housing 15 is installed, the positioning protrusion 152 is engaged with the positioning notch 17b, so as to prevent the middle housing 15 from rotating.
As shown in fig. 10 to 11, a first flange 161 corresponding to the inner diameter of the inner cylinder 13 is protruded from the inner surface of the rear cover 16, a second engaging hole 162 is opened on the first flange 161, and correspondingly, a second engaging block 133 is protruded from the inner wall of the inner cylinder 13, and when the rear cover 16 is installed, the first flange 161 is inserted into the inner cylinder 13 and the second engaging hole 162 is engaged with the second engaging block 132. A second flange 163 (see fig. 11) is further provided on the outer surface of the rear cover 16 to attach the cosmetic mirror 60 (described later in detail).
Combine fig. 1-7 once more shown, the utility model discloses a fan is handed to cartridge formula 1 still includes cosmetic mirror 60 and sends out fragrant body 70, cosmetic mirror 60 is installed in the lateral surface of back lid 16, specifically be the joint in the second flange 163 of back lid 16, send out fragrant body 70 and install between back lid 16 and cosmetic mirror 60, in this fan is handed to cartridge formula 1 use, the air-out can be taken out the fragrant smell of sending out fragrant body 70, can directly use cosmetic mirror 60 simultaneously, cosmetic mirror 60 and send out fragrant body 70's setting, make the function of fan 1 is handed to cartridge formula more various, improve user's use experience.
In summary, because the tube-type handheld fan 1 of the present invention has the fan body 11 of the tube-type handheld fan 1 in a tube-shaped structure and the air inlet grid disc 111 is disposed at one end of the fan body, and the air inlet grid disc 111 includes the array tube holes 1111 having a certain depth, the air inlet grid disc 111 has a good rectifying function, so as to avoid forming turbulent flow and generating pneumatic noise, and the plane where the air inlet grid disc 111 is located is lower than the end surface of the side wall of the fan body 11, and the transition inclined plane 113 is further disposed between the air inlet grid disc 111 and the side wall of the fan body 11, so as to avoid the noise generated by the lateral high-speed airflow passing through the edge, so that the tube-type handheld fan 1 of the present invention has less noise; in addition, the fan body 11 in the cylindrical structure enters air through the air inlet grid disc 111 at one end of the fan body, namely side air inlet is not needed, compared with the existing side air inlet mode, on one hand, air outlet is gathered, the air speed is improved, and the air supply distance is increased, on the other hand, the tubular handheld fan 1 of the application can not be rolled to long hair, and is safer to use; moreover, the fan body 11 has a small volume, is convenient to package and carry, and is more convenient to use.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.
Claims (10)
1. The utility model provides a fan is handed to tube cylinder, includes the shell body and locates flabellum, motor, control circuit board and power in the shell body, the motor connect in the flabellum, just the motor the power electricity respectively connect in control circuit board, its characterized in that:
the shell body includes the handle and locates the fan body of handle one end, the fan body is tubular structure and its one end is equipped with air inlet grid dish, the other end of the fan body form with air inlet grid dish relative air outlet, air inlet grid dish is including the array tube hole that has certain degree of depth, just air inlet grid dish place plane is less than the lateral wall terminal surface of the fan body, air inlet grid dish with still be equipped with transition inclined plane between the lateral wall of the fan body.
2. A barrel-type hand-held fan as claimed in claim 1, wherein: the air inlet grid disc is of a honeycomb structure.
3. A barrel-type hand-held fan as claimed in claim 1, wherein: the included angle between the transition inclined plane and the plane where the air inlet grid disc is located is between 15 degrees and 75 degrees.
4. A barrel-type hand-held fan as claimed in claim 1, wherein: the fan body is internally provided with an inner cylinder, the inner cylinder and the inner wall of the fan body are concentrically arranged, an air outlet channel is formed between the inner cylinder and the inner wall of the fan body, the fan blades are arranged at one end of the inner cylinder and are opposite to the air inlet grid disc, and the motor is contained in the inner cylinder and protrudes out of the inner cylinder to be connected with the fan blades.
5. A barrel-type hand-held fan as claimed in claim 4, wherein: the fan also comprises a plurality of static blades arranged between the inner cylinder and the inner wall of the fan body, and each static blade is of an arc-shaped structure.
6. A barrel-type hand-held fan as claimed in claim 5, wherein: the flabellum includes a plurality of blades that the looks interval set up, each the blade all is the arc structure, just the crooked direction of blade with the crooked direction of stationary blade is opposite.
7. A barrel-type hand held fan as claimed in claim 6, wherein: the fan blade also comprises a hub, each blade is arranged on the hub at intervals, one end of the hub close to the air inlet grid disc is of a curved surface structure, and one end of the hub close to the inner cylinder is provided with a plurality of conical surfaces at intervals.
8. A barrel-type hand-held fan as claimed in claim 7, wherein: one end of the hub, which is close to the air inlet grid disc, is a spherical surface, and the conical surface is correspondingly arranged below the blades.
9. A barrel-type hand-held fan as claimed in claim 4, wherein: still include the fragrant body of sending forth and beautiful mirror of making up, send forth fragrant body, beautiful mirror of making up install in proper order in the inner tube.
10. A barrel-type hand-held fan as claimed in claim 9, wherein: the outer shell body is characterized by further comprising a rear cover connected with the inner barrel, and the fragrance emitting body and the beauty mirror are sequentially arranged on the rear cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021571365.7U CN212867982U (en) | 2020-07-31 | 2020-07-31 | Tube type hand-held fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021571365.7U CN212867982U (en) | 2020-07-31 | 2020-07-31 | Tube type hand-held fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212867982U true CN212867982U (en) | 2021-04-02 |
Family
ID=75218852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021571365.7U Active CN212867982U (en) | 2020-07-31 | 2020-07-31 | Tube type hand-held fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212867982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087218A (en) * | 2021-09-27 | 2022-02-25 | 深圳市几素科技有限公司 | Pressurized mixed flow generator and handheld bladeless fan with same |
-
2020
- 2020-07-31 CN CN202021571365.7U patent/CN212867982U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087218A (en) * | 2021-09-27 | 2022-02-25 | 深圳市几素科技有限公司 | Pressurized mixed flow generator and handheld bladeless fan with same |
| CN114183385A (en) * | 2021-09-27 | 2022-03-15 | 深圳市几素科技有限公司 | Pressurized mixed flow generator and portable bladeless fan with same |
| CN114183386A (en) * | 2021-09-27 | 2022-03-15 | 深圳市几素科技有限公司 | Pressurized mixed flow generator and portable bladeless fan with same |
| WO2023046145A1 (en) * | 2021-09-27 | 2023-03-30 | 深圳市几素科技有限公司 | Portable bladeless fan |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240112 Address after: 33rd Floor, Shenzhen Special Zone Newspaper Building, No. 6008 Shennan Avenue, Zijing Community, Lianhua Street, Futian District, Shenzhen City, Guangdong Province, 518000 Patentee after: Chen Yanling Address before: 523000 3rd floor, 32 Xinxing East Road, huangcaolang community, Dalang Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN SHENGWOGAO IMPELLER MACHINERY DESIGN Co.,Ltd. |
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| TR01 | Transfer of patent right |