CN219388237U - Air duct structure of neck hanging fan and neck hanging fan applying same - Google Patents
Air duct structure of neck hanging fan and neck hanging fan applying same Download PDFInfo
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- CN219388237U CN219388237U CN202320665685.6U CN202320665685U CN219388237U CN 219388237 U CN219388237 U CN 219388237U CN 202320665685 U CN202320665685 U CN 202320665685U CN 219388237 U CN219388237 U CN 219388237U
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Abstract
The utility model discloses an air duct structure of a neck hanging fan and the neck hanging fan using the same, and relates to the technical field of portable fans, wherein an annular air guide rib, a first straight air guide rib and a second straight air guide rib which are sequentially connected are formed in an air duct bottom shell, and the first straight air guide rib and the second straight air guide rib are arranged at an angle; the annular air guide rib surrounds an annular air channel, the first straight air guide rib surrounds a first straight air channel with the inner wall of the air channel bottom shell, and the second straight air guide rib surrounds a second straight air channel with the inner wall of the air channel bottom shell; the fan is arranged in the space surrounded by the annular air guide rib; the fan is used for taking in air from the air inlet and outputting the air along the annular air channel, the first straight air channel and the second straight air channel. The utility model mainly solves the problem of how to provide a reasonable and efficient air duct structure for the neck hanging fan; the utility model improves the air outlet effect of the neck hanging fan through a reasonable and efficient air duct structure.
Description
Technical Field
The utility model relates to the technical field of portable fans, in particular to an air duct structure of a neck hanging fan and the neck hanging fan using the same.
Background
In hot summer, people are extremely easy to be heated, sweat and even heatstroke when going out, working, sports, traveling and other outdoor occasions; portable fans are usually powered by dry batteries or built-in rechargeable batteries, and can be used outdoors for a period of time, so that the temperature of the human body is reduced, and therefore, the portable fans are becoming indispensable outdoor supplies.
The portable fan is various in kind and form, and the neck hanging fan is an important category in the portable fan.
However, in the prior art, the neck hanging fan is generally simply provided with an air inlet and an air outlet on the shell, and the air is fed from the air inlet through the fan and then flows to the air outlet to form the air outlet; the neck hanging fan with the structure is lack of a reasonable air duct structure, so that air flow can be impacted in the shell of the neck hanging fan at will easily to form turbulence, and the air inlet and outlet effect is affected.
In summary, how to provide a reasonable and efficient air duct structure for the neck hanging fan becomes a problem to be solved.
Disclosure of Invention
The utility model aims to provide an air duct structure of a neck hanging fan and the neck hanging fan using the air duct structure, which can provide a reasonable and efficient air duct structure for the neck hanging fan and improve the air outlet effect of the neck hanging fan.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an air duct structure of a neck hanging fan is applied to an air outlet component of the neck hanging fan; the air outlet assembly comprises an air duct bottom shell, an air duct surface shell and a fan, wherein the air duct surface shell is combined on the air duct bottom shell to form the air outlet assembly; an annular air guide rib, a first straight air guide rib and a second straight air guide rib which are sequentially connected are formed in the air duct bottom shell, and the first straight air guide rib and the second straight air guide rib are arranged at an angle; the annular air guide ribs enclose an annular air channel, the first straight air guide ribs and the inner wall of the air channel bottom shell enclose a first straight air channel, and the second straight air guide ribs and the inner wall of the air channel bottom shell enclose a second straight air channel; the cross sections of the first straight air channel and the second straight air channel are not equal; an air inlet is formed in the air duct bottom shell and/or the air duct surface shell, the air inlet is communicated with the annular air duct, and an air outlet is formed in the air duct bottom shell at a position opposite to the first straight air guide rib and the second straight air guide rib; the fan is arranged in a space surrounded by the annular air guide rib; the fan is used for air intake from the air inlet and air outlet along the annular air duct, the first straight air duct and the second straight air duct.
In the above technical scheme, the first straight air duct is a straight air duct with equal sectional area or a straight air duct with variable sectional area with gradually enlarged sectional area; the second straight air duct is a variable cross-sectional area straight air duct with a gradually reduced cross-sectional area.
In the above technical solution, the first straight air guiding rib is parallel to the inner wall of the air duct bottom shell, so as to form the first straight air duct; the second straight air guide rib is arranged along the direction gradually approaching to the inner wall of the air duct bottom shell so as to form the second straight air duct.
In the above technical scheme, the included angle between the first straight wind guiding rib and the second straight wind guiding rib is 135-165 degrees.
A neck hanging fan comprises the air duct structure of the neck hanging fan.
In the technical scheme, the neck hanging fan further comprises a neck hanging connecting piece; the air-out subassembly is provided with two sets of, and by hang neck connecting piece connection.
In the above technical solution, at least one of the air outlet assemblies is provided with an electric control assembly; the electric control assembly comprises a circuit board and a battery, wherein the circuit board and the battery are both accommodated in the air outlet assembly and are positioned outside the annular air duct, the first straight air duct and the second straight air duct, and the circuit board is respectively and electrically connected with the fan and the battery; the circuit board is respectively provided with a charging interface and a switch, the charging interface penetrates out of the air duct bottom shell and/or the air duct surface shell, the air duct bottom shell or the air duct surface shell is embedded with a key, the key is mutually aligned with the switch on the circuit board, and when the key is pressed, the switch can be triggered.
In the technical scheme, the air duct surface shell is provided with the plugboard; the plug board is detachably and replaceably plugged with an appearance plug-in.
Compared with the prior art, the utility model has the beneficial effects that: the air duct structure of the neck hanging fan and the neck hanging fan applying the air duct structure of the neck hanging fan comprise an annular air duct, a first straight air duct and a second straight air duct; the annular air duct can collect the air outlet of the fan, so that the air outlet of the fan runs along the annular air duct and enters the first straight air duct, in the first straight air duct, the air outlet can be smooth, the air outlet is uniformly discharged at the air outlet, after entering the second straight air duct, the air outlet is further collected by the narrowed second straight air duct, and the air outlet is continuously discharged from the air outlet, so that the problem of insufficient air pressure at the rear end of the air duct is avoided; through reasonable efficient wind channel structure, improve the air-out effect of hanging neck fan.
Drawings
Fig. 1 is a perspective view of the present utility model.
Fig. 2 is an exploded view of the present utility model.
The reference numerals are: 1. an air outlet assembly; 11. an air duct bottom shell; 111. annular wind guiding ribs; 112. a first straight air guiding rib; 113. the second straight wind guiding rib; 114. an air inlet; 115. an air outlet; 116. an electrical control assembly receiving area; 12. an air duct face; 121. a plug board; 122. an appearance insert; 123. a key; 13. a blower; 2. a neck hanging connecting piece; 21. a connecting piece bottom shell; 22. a connector face-piece; 3. an electrical control assembly; 31. a circuit board; 311. a charging interface; 312. a switch; 32. a battery; 10. an annular air duct; 20. a first straight air duct; 30. and the second straight air duct.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but 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.
Embodiment one:
the embodiment provides an air duct structure of hanging neck fan, and it is applied on the air-out subassembly 1 of hanging neck fan for guide the air-out of hanging neck fan, provide reasonable efficient air duct structure for hanging neck fan, improve the air-out effect of hanging neck fan.
The air outlet assembly 1 comprises an air duct bottom shell 11, an air duct surface shell 12 and a fan 13, wherein the air duct bottom shell 11 is a half shell made of engineering plastics, the air duct surface shell 12 is a cover plate made of engineering plastics, and the fan 13 is a centrifugal fan driven by a small-sized direct current motor; the air duct surface shell 12 is covered on the air duct bottom shell 11 to form the air outlet assembly 1, and the air outlet assembly can be locked by screws or can be mutually buckled by buckles.
The annular air guide rib 111, the first straight air guide rib 112 and the second straight air guide rib 113 which are sequentially connected are formed in the air duct bottom shell 11, the first straight air guide rib 112 and the second straight air guide rib 113 are arranged at an angle, and in fact, the annular air guide rib 111, the first straight air guide rib 112 and the second straight air guide rib 113 are all pulled up parts in the air duct bottom shell 11 and are integrally injection molded with the air duct bottom shell 11.
The annular air guide rib 111 encloses the annular air channel 10, the first straight air guide rib 112 encloses the first straight air channel 20 with the inner wall of the air channel bottom shell 11, the second straight air guide rib 113 encloses the second straight air channel 30 with the inner wall of the air channel bottom shell 11, and the cross sections of the first straight air channel 20 and the second straight air channel 30 are unequal; the annular air duct 10, the first straight air duct 20 and the second straight air duct 30 are sequentially communicated, thereby forming a complete air duct structure.
Specifically, the first straight duct 20 is a constant cross-sectional area straight duct or a variable cross-sectional area straight duct having a gradually expanding cross-sectional area, and the second straight duct 30 is a variable cross-sectional area straight duct having a gradually decreasing cross-sectional area.
Specifically, the first straight air guiding rib 112 is parallel to the inner wall of the air duct bottom shell 11, or is disposed along the direction gradually far away from the inner wall of the air duct bottom shell 11, so as to form the first straight air duct 20; the second straight air guiding ribs 113 are disposed along a direction gradually approaching the inner wall of the air duct bottom case 11 to form the second straight air duct 30.
And further specifically, the included angle between the first straight wind guiding rib 112 and the second straight wind guiding rib 113 is 135 ° to 165 °, and preferably 150 °; in this way, the second straight air guiding rib 113 is provided in a direction gradually approaching the inner wall of the duct bottom case 11.
An air inlet 114 is formed in the air duct bottom shell 11 and/or the air duct surface shell 12, and the air inlet 114 is communicated with the annular air duct 10, in this embodiment, the air inlet 114 is formed at the air duct bottom shell 11; the air duct bottom shell 11 is provided with an air outlet 115 at a position opposite to the first straight air guiding rib 112 and the second straight air guiding rib 113, and in this embodiment, the air outlet 115 is a row of vertical bar-shaped through holes.
The fan 13 is disposed in the space surrounded by the annular air guiding rib 111, and in this embodiment, the fan 13 is located at the air inlet 114; the fan 13 is fed with air from the air inlet 114 and is discharged along the annular air duct 10, the first straight air duct 20 and the second straight air duct 30.
The air duct structure of the neck hanging fan of the embodiment comprises an annular air duct 10, a first straight air duct 20 and a second straight air duct 30; the annular air duct 10 can collect the air outlet of the fan 13, so that the air outlet of the fan 13 runs along the annular air duct 10 and enters the first straight air duct 20, the air outlet can be smooth in the first straight air duct 20 and uniformly air-out at the air outlet 115, after entering the second straight air duct 30, the air outlet is further collected by the narrowed second straight air duct 30, and the air outlet is continuously air-out from the air outlet 115, so that the problem of insufficient air pressure at the rear end of the air duct is avoided; through reasonable efficient wind channel structure, improve the air-out effect of hanging neck fan.
Embodiment two:
the embodiment provides a hang neck fan, it belongs to portable fan, can wear in neck department and use, satisfies the cooling demand of outdoor occasions such as trip, operation, motion and tourism.
The neck hanging fan of the embodiment comprises an air duct structure of the neck hanging fan of the first embodiment.
The neck hanging fan of the embodiment also comprises a neck hanging connecting piece 2; the air outlet component 1 is provided with two groups and is connected by a neck hanging connecting piece 2.
Specifically, the neck hanging connecting piece 2 comprises a connecting piece bottom shell 21 and a connecting piece surface shell 22, wherein the connecting piece bottom shell 21 is a half shell made of engineering plastic, and the connecting piece surface shell 22 is a cover plate made of engineering plastic; the air duct bottom shell 11 and the air duct surface shell 12 of the air outlet assembly 1 are both in buckling connection with the connecting piece bottom shell 21, and then the connecting piece surface shell 22 is covered on the connecting piece bottom shell 21 (the two are fixed through screws), namely the air outlet assembly 1 and the neck hanging connecting piece 2 are connected into a whole.
Specifically, at least one air outlet assembly 1 is provided with an electric control assembly 3; the electric control assembly 3 comprises a circuit board 31 and a battery 32, wherein the circuit board 31 is a Printed Circuit Board (PCB), the battery 32 is a rechargeable lithium battery, and an MCU (micro controller Unit) such as a single chip microcomputer is mounted on the circuit board 31; the circuit board 31 and the battery 32 are both accommodated in the air outlet assembly 1 and are positioned outside the annular air duct 10, the first straight air duct 20 and the second straight air duct 30, in this embodiment, the air duct bottom shell 11 is provided with an electric control assembly 3 accommodating area 116 outside the annular air duct 10, the first straight air duct 20 and the second straight air duct 30, and the circuit board 31 and the battery 32 are both accommodated in the electric control assembly 3 accommodating area 116 and are fixed therein by screws or glue; the circuit board 31 is electrically connected with the fan 13 and the battery 32 respectively, specifically, through wires; the circuit board 31 is respectively provided with a charging interface 311 and a switch 312, wherein the charging interface 311 is one of a MiniUSB interface, a MicroUSB interface and a Type-C interface, the switch 312 is a micro switch 312, and the charging interface 311 and the switch 312 are all arranged on the circuit board 31 in the form of plug-ins; the charging interface 311 penetrates from the air duct bottom shell 11 and/or the air duct surface shell 12, the air duct bottom shell 11 or the air duct surface shell 12 is embedded with a key 123, the key 123 is made of one of plastic, rubber and silica gel materials, the key 123 is aligned with a switch 312 on the circuit board 31, and when the key 123 is pressed, the switch 312 can be triggered.
It should be noted that, the battery 32 is used for supplying power to the circuit board 31 and the fan 13, and the charging interface 311 is used for charging the battery 32; the switch 312 is triggered by the key 123 to send a signal to the MCU on the circuit board 31, so that the start and stop and the rotating speed of the fan 13 can be controlled by the MCU on the circuit board 31; in this embodiment, one of the air outlet assemblies 1 is provided with an electric control assembly 3, and a circuit board 31 of the electric control assembly 3 is connected to a fan 13 in the other air outlet assembly 1 through a wire.
Further, a plug board 121 is arranged on the air duct surface shell 12, and the plug board 121 is made of engineering plastic; the plug-in board 121 is detachably and replaceably inserted with an appearance plug-in 122, the appearance plug-in 122 can be set into a plurality of models such as animals, plants, cartoon characters and the like, and after a plurality of appearance plug-in 122 are set, the appearance of the neck hanging fan can be replaced mutually, so that the appearance of the neck hanging fan is enriched.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An air duct structure of a neck hanging fan is applied to an air outlet component of the neck hanging fan;
the air outlet assembly comprises an air duct bottom shell, an air duct surface shell and a fan, wherein the air duct surface shell is combined on the air duct bottom shell to form the air outlet assembly; it is characterized in that the method comprises the steps of,
an annular air guide rib, a first straight air guide rib and a second straight air guide rib which are sequentially connected are formed in the air duct bottom shell, and the first straight air guide rib and the second straight air guide rib are arranged at an angle;
the annular air guide ribs enclose an annular air channel, the first straight air guide ribs and the inner wall of the air channel bottom shell enclose a first straight air channel, and the second straight air guide ribs and the inner wall of the air channel bottom shell enclose a second straight air channel;
the cross sections of the first straight air channel and the second straight air channel are not equal;
an air inlet is formed in the air duct bottom shell and/or the air duct surface shell, the air inlet is communicated with the annular air duct, and an air outlet is formed in the air duct bottom shell at a position opposite to the first straight air guide rib and the second straight air guide rib;
the fan is arranged in a space surrounded by the annular air guide rib; the fan is used for air intake from the air inlet and air outlet along the annular air duct, the first straight air duct and the second straight air duct.
2. The air duct structure of a neck fan as set forth in claim 1, wherein: the first straight air duct is a straight air duct with equal sectional area or a straight air duct with variable sectional area with gradually enlarged sectional area;
the second straight air duct is a variable cross-sectional area straight air duct with a gradually reduced cross-sectional area.
3. The air duct structure of a neck fan as set forth in claim 1, wherein: the first straight air guide ribs are parallel to the inner wall of the air duct bottom shell or are arranged along the direction gradually far away from the inner wall of the air duct bottom shell so as to form the first straight air duct;
the second straight air guide rib is arranged along the direction gradually approaching to the inner wall of the air duct bottom shell so as to form the second straight air duct.
4. A tunnel structure of a neck fan according to any one of claims 1 to 3, wherein: the included angle between the first straight air guide rib and the second straight air guide rib is 135-165 degrees.
5. A neck hanging fan, comprising the air duct structure of any one of claims 1-4.
6. The neck hanging fan as claimed in claim 5, wherein: the device also comprises a neck hanging connecting piece;
the air-out subassembly is provided with two sets of, and by hang neck connecting piece connection.
7. The neck fan as claimed in claim 5 or 6, wherein: at least one air outlet component is provided with an electric control component;
the electric control assembly comprises a circuit board and a battery, wherein the circuit board and the battery are both accommodated in the air outlet assembly and are positioned outside the annular air duct, the first straight air duct and the second straight air duct, and the circuit board is respectively and electrically connected with the fan and the battery;
the circuit board is respectively provided with a charging interface and a switch, the charging interface penetrates out of the air duct bottom shell and/or the air duct surface shell, the air duct bottom shell or the air duct surface shell is embedded with a key, the key is mutually aligned with the switch on the circuit board, and when the key is pressed, the switch can be triggered.
8. The neck hanging fan as claimed in claim 5, wherein: a plugboard is arranged on the air duct surface shell;
the plug board is detachably and replaceably plugged with an appearance plug-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320665685.6U CN219388237U (en) | 2023-03-30 | 2023-03-30 | Air duct structure of neck hanging fan and neck hanging fan applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320665685.6U CN219388237U (en) | 2023-03-30 | 2023-03-30 | Air duct structure of neck hanging fan and neck hanging fan applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219388237U true CN219388237U (en) | 2023-07-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320665685.6U Active CN219388237U (en) | 2023-03-30 | 2023-03-30 | Air duct structure of neck hanging fan and neck hanging fan applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219388237U (en) |
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2023
- 2023-03-30 CN CN202320665685.6U patent/CN219388237U/en active Active
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