CN218991919U - Portable fan - Google Patents

Abstract

The embodiment of the utility model discloses a portable fan, which comprises: the air conditioner comprises a shell, wherein an air channel is arranged in the shell, a first air inlet is formed in one side of the shell, a first ventilation pipe is concavely arranged in the first air inlet, a first air passing opening is formed in the side wall of the first ventilation pipe, and the first air inlet is communicated with the air channel through the first air passing opening; and the first fan assembly is arranged in the air duct. According to the embodiment of the utility model, the first ventilation pipe is concavely arranged at the first air inlet, and the first air outlet is arranged on the side wall of the first ventilation pipe, so that hairlines of users can be blocked by the first ventilation pipe, the possibility that the hairlines are wound by the first fan assembly is reduced, and the safety of the portable fan is improved.

Description

Portable fan

Technical Field

The utility model relates to the technical field of fans, in particular to a portable fan.

Background

In recent years, people increasingly pursue more convenient life, and in order to meet the requirement that fans are required to be used in outdoor activities or other life scenes, various portable fans, such as neck hanging fans, are appearing on the market.

The current portable fan generally comprises a shell and a fan assembly, wherein an air channel is formed in the shell, the fan assembly is arranged in the air channel, an air inlet and an air outlet are further formed in the shell, the air inlet and the air outlet are communicated with the air channel, and the fan assembly is arranged adjacent to the air inlet. However, in the use process, due to the effect of wind force, the longer hair of a user is easily sucked into the shell by the wind of the wind inlet and is wound by the blades of the fan assembly, so that the risk of hair pulling is caused, and the safety is insufficient.

Disclosure of Invention

Therefore, in order to overcome at least part of the defects and shortcomings in the prior art, the portable fan provided by the embodiment of the utility model improves the safety of products.

Specifically, an embodiment of the present utility model provides a portable fan, for example, including: the air conditioner comprises a shell, wherein an air channel is arranged in the shell, a first air inlet is formed in one side of the shell, a first ventilation pipe is concavely arranged in the first air inlet, a first air passing opening is formed in the side wall of the first ventilation pipe, and the first air inlet is communicated with the air channel through the first air passing opening; and the first fan assembly is arranged in the air duct.

In one embodiment of the present utility model, the first fan assembly includes a plurality of first fan blades circumferentially arranged and surrounded by a first concave space, and the first ventilation pipe extends inward into the first concave space.

In one embodiment of the utility model, the side wall of the first ventilation tube comprises an annular side wall, and the first air vent is provided on the annular side wall.

In one embodiment of the utility model, the portable fan further comprises a barrier covering the first air inlet; the blocking piece is provided with a vent, and the vent is communicated with the air duct through the first air passing opening.

In one embodiment of the utility model, the portable fan further comprises a fragrance diffusing unit housed within the first ventilation duct.

In one embodiment of the utility model, a second air inlet is further arranged on the other side of the shell, and the second air inlet is communicated with the air duct.

In one embodiment of the utility model, the shell is provided with a second ventilation pipe inwards at the second air inlet, a second air inlet is arranged on the side wall of the second ventilation pipe, and the second air inlet is communicated with the air duct through the second air inlet.

In an embodiment of the present utility model, the first fan assembly includes a plurality of second fan blades, the plurality of second fan blades are circumferentially arranged and enclose a second concave space, and the second ventilation pipe extends inward into the second concave space.

In one embodiment of the present utility model, the portable fan further includes a second fan assembly disposed within the air duct, the second fan assembly being disposed opposite the first fan assembly.

In an embodiment of the present utility model, the second fan assembly includes a plurality of third fan blades, the plurality of third fan blades are circumferentially arranged and enclose a third concave space, and the second ventilation pipe extends inward into the third concave space.

From the above, the above technical solution has at least one or more of the following advantages:

according to the embodiment of the utility model, the first ventilation pipe is concavely arranged at the first air inlet, and the first air outlet is arranged on the side wall of the first ventilation pipe, so that the possibility that the hairline is wound by the first fan assembly is reduced by blocking the hairline of a user by adopting the first ventilation pipe, and the safety of a product is improved. Further, through setting up the barrier in first air inlet department and set up the ventilation hole on the barrier, can further block in the hairline gets into first ventilation pipe to further reduced the possibility that the hairline was twined by first fan assembly, further promoted the security of product.

Drawings

The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.

Fig. 1 is a schematic perspective view of a portable fan according to an embodiment of the utility model.

Fig. 2 is a schematic structural view of the portable fan shown in fig. 1 from another perspective.

Fig. 3 is a schematic cross-sectional structure of the portable fan shown in fig. 2.

Fig. 4 is an enlarged partial schematic view of the area a in fig. 3.

Fig. 5 is a partially exploded view of the relative position of the housing and the first fan assembly shown in fig. 4.

Fig. 6 is a schematic perspective view of the first impeller in fig. 4.

Fig. 7 is a schematic cross-sectional structure of the first impeller shown in fig. 6.

Fig. 8 is a schematic cross-sectional view illustrating a relative positional relationship between a housing and a first fan assembly according to another embodiment of the present utility model.

Fig. 9 is a schematic cross-sectional view showing a relative positional relationship between a housing and two fan assemblies according to still another embodiment of the present utility model.

Fig. 10 is a schematic cross-sectional view illustrating a relative positional relationship between a housing and a blocking plate according to still another embodiment of the present utility model.

Fig. 11 is a schematic cross-sectional view showing the relative positional relationship between a housing, a barrier plate and a fragrance diffusing unit according to still another embodiment of the present utility model.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

In order that those skilled in the art will better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the utility model described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be further noted that the division of the embodiments in the present utility model is only for convenience of description, and should not be construed as a specific limitation, and features in the various embodiments may be combined and mutually referenced without contradiction.

As shown in fig. 1, 2 and 3, an embodiment of the present utility model provides a portable fan 10. The portable fan 10 may be a portable device such as a neck fan. The portable fan 10 includes, for example: a housing 100, a first fan assembly 200. The first fan assembly 200 is disposed within the housing 100.

Specifically, as shown in fig. 1, 2 and 3, the housing 100 is, for example, a C-shaped neck mount, and is folded to form a wearing space 101 for wearing on a wearing site of a user, such as a neck or the like. The housing 100 is, for example, a housing-like member having a hollow interior, and an air duct 104 is provided in the interior. Furthermore, a first air inlet 102 is provided on a side of the housing 100, for example, a side facing away from the wearing space 101, for the intake of an air flow. The first air inlet 102 is communicated with the air duct 104. Of course, the casing 100 may also be provided with an air outlet 103 for outputting air flow to the corresponding parts of the human body. The air outlet 103 is communicated with the air duct 104. The number of the air outlets 103 may be one or a plurality of, and the positions thereof may be set according to actual needs, which is not limited by the present utility model. Further, the housing 100 includes, for example, an outer housing 111 and an inner housing 112. The outer shell 111 is located on the side of the inner shell 112 remote from the wearing space 101.

The first fan assembly 200 is, for example, a vortex fan (also referred to as a centrifugal fan). A first fan assembly 200 is disposed within the air duct 104 of the housing 100. Specifically, as shown in fig. 4 and 5, the first fan assembly 200 includes, for example, a first fan wheel 210 and a first motor 220. The first motor 220 is fixed inside the housing 100. Specifically, a fixing seat 1121 is provided at an inner side of the inner case 112 of the case 100, and the first motor 220 is provided on the fixing seat 1121. The first fan wheel 210 is connected to a first motor 220. The first motor 220 can drive the first fan wheel 210 to rotate and drive the airflow to move, so that the airflow in the air duct 104 is driven out from the air outlet 103. The first motor 220 is a conventional driving device such as a stepping motor and a servo motor.

The first air inlet 102 is disposed corresponding to the first fan assembly 200. As shown in fig. 4, a first ventilation pipe 105 is concavely disposed at the first air inlet 102 of the housing 100. The first ventilation pipe 105 is, for example, a cylindrical pipe. A first air port 1051 is provided on a side wall of the first ventilation pipe 105, and the first air port 1051 is provided corresponding to the first fan wheel 210 of the first fan assembly 200. The first air inlet 102 is communicated with the air duct 104 through the first air outlet 1051.

According to the embodiment of the utility model, the first ventilation pipe 105 is concavely arranged at the first air inlet 102, and the first air outlet 1051 is arranged on the side wall of the first ventilation pipe 105, so that the possibility that hairlines are wound by the first fan wheel 210 is reduced by blocking the hairlines of a user by adopting the first ventilation pipe 105, and the safety of products is improved.

Wherein the side wall of the first ventilation pipe 105 comprises, for example, an annular side wall on which a first air vent 1051 is provided. In this way, the first air gap 1051 may be disposed more directly opposite to the first fan wheel 210, which is beneficial to the airflow.

Specifically, as shown in fig. 4, 5, 6 and 7, the first fan wheel 210 includes a first connection portion 211 and a first fan blade portion 212. The first connection portion 211 is connected to the first motor 220. The first fan blade portion 212 includes a plurality of first fan blades 2121, the plurality of first fan blades 2121 encircle the first connection portion 211 and are circumferentially arranged in turn, the plurality of first fan blades 2121 are connected to one end 2111 of the first connection portion 211, the plurality of first fan blades 2121 extend from one end 2111 of the first connection portion 211 to a direction away from the other end 2112 of the first connection portion 211, a first concave space 2122 is defined in the middle of the first fan blade portion 212, the first ventilation pipe 105 extends inwards into the first concave space 2122 of the first fan blade portion 212, and the plurality of first fan blades 2121 correspond to the first air passing opening 1. Therefore, the plurality of first fan blades 2121 enclose a first concave space 2122 in the middle of the first fan blade 212, and extend the first ventilation pipe 105 inside the first concave space 2122, so that the first fan wheel 210 can better drive the airflow to move, and the fan-out effect is improved.

In addition, as shown in fig. 4, a second air inlet 106 is further disposed on the other side of the housing 100, for example, a side adjacent to the wearing space 101, and the second air inlet 106 is communicated with the air duct 104 and is disposed corresponding to the first fan blade 212. In this way, the first fan wheel 210 can intake air through the air inlets on both sides, thereby improving the air conditioning effect of the portable fan 10.

As shown in fig. 8, in other specific implementations of this embodiment, the second air inlet 106 is disposed corresponding to the first fan assembly 200, a second ventilation duct 108 is concavely disposed at the second air inlet 106 of the housing 100, a second air outlet 1081 is disposed on a side wall of the second ventilation duct 108, the second air outlet 1081 is disposed corresponding to the first fan wheel 210 of the first fan assembly 200, and the second air inlet 106 is communicated with the air duct 104 through the second air outlet 1081. By providing the ventilation pipe and the air vent at opposite sides of the housing 100, the hairline of the user can be blocked from entering the housing at both sides, so that the possibility that the hairline is wound by the first fan wheel 210 is reduced, and the safety of the product is further improved.

As shown in fig. 8, the first fan blade portion 212 further includes a plurality of second fan blades 213, the plurality of second fan blades 213 are disposed around the first connecting portion 211 and are sequentially circumferentially arranged, the plurality of second fan blades 213 are connected to the other end 2112 of the first connecting portion 211, the plurality of second fan blades 213 extend from the other end 2112 of the first connecting portion 211 to a direction away from the one end 2111 of the first connecting portion 211 and enclose a second concave space 2131 in the middle of the first fan blade portion 212, the second ventilation pipe 108 extends inward into the second concave space 2131 of the first fan blade portion 212, and the plurality of second fan blades 213 correspond to the second air gap 1081.

As shown in fig. 9, in other specific implementation manners of this embodiment, the portable fan further includes a second fan assembly 300, where the second fan assembly 300 is disposed in the air duct 104; the second fan assembly 300 is disposed opposite the first fan assembly 200. Specifically, the second fan assembly 300 includes a second fan wheel 310 and a second motor 320. The second motor 320 is also connected to the fixed base 1121, and the second fan wheel 310 is connected to the second motor 320. The second air inlet 106 is disposed corresponding to the second fan assembly 300, a second ventilation pipe 108 is concavely disposed at the second air inlet 106 of the housing 100, a second air passing hole 1081 is disposed on a side wall of the second ventilation pipe 108, the second air passing hole 1081 is disposed corresponding to the second fan wheel 310 of the second fan assembly 300, and the second air inlet 106 is communicated with the air duct 104 through the second air passing hole 1081.

In view of the foregoing, the second fan wheel 310 includes a second connection portion 311 and a second fan blade portion 312, the second fan blade portion 312 includes a plurality of third fan blades 3121, the plurality of third fan blades 3121 are disposed around the second connection portion 311 and are circumferentially arranged in sequence, the plurality of third fan blades 3121 are connected to one end 3111 of the second connection portion 311, the plurality of third fan blades 3121 extend from one end 3111 of the second connection portion 311 to a direction away from the other end 3112 of the second connection portion 311 and are formed with a third concave space 3122 in the middle of the second fan blade portion 312, and the second ventilation pipe 108 extends inwards and is embedded into the third concave space 3122 of the second fan blade portion 312, and the plurality of third fan blades 3121 correspond to the second air passing port 1081.

As shown in fig. 10, in other specific implementation manners of this embodiment, the portable fan 10 may further include a blocking member 400, where the blocking member 400 covers the first air inlet 102; the blocking member is provided with a vent 410, and the vent 410 is communicated with the air duct 104 through the first air passing opening 1051. By providing the blocking member 400 at the first air inlet 102 and providing the vent hole 410 on the blocking member 400, the hairline can be further blocked from entering the first vent pipe 105, thereby further reducing the possibility of the hairline being wound by the first fan wheel 210 and further improving the safety of the product. Of course, the blocking member may be disposed at other air inlets according to actual needs, which is not limited by the present utility model.

As shown in fig. 11, the portable fan 10 further includes, for example, a fragrance dispersing unit 500, and the fragrance dispersing unit 500 is accommodated in the first ventilation pipe 105. Specifically, the fragrance emitting unit 500 is, for example, a solid volatile substance such as a stick of a fragrance, which can be used for air purification, mosquito repellent, and the like. The fragrance diffusing unit 500 may be a fragrance diffusing device containing a fragrance. Of course, the fragrance dispersing unit can be arranged in other ventilation pipes according to actual needs, and the utility model is not limited to this.

According to the embodiment of the utility model, the first ventilation pipe 105 is concavely arranged at the first air inlet 102, and the first air outlet 1051 is arranged on the side wall of the first ventilation pipe 105, so that the possibility that hairlines are wound by the first fan assembly 200 is reduced by blocking the hairlines by the first ventilation pipe 105, and the safety of products is improved. Further, by providing the blocking member 400 at the first air inlet 102 and providing the vent hole 410 on the blocking member 400, the hairline can be further blocked from entering the first ventilation duct 105, thereby further reducing the possibility of the hairline being wound by the first fan assembly 200 and further improving the safety of the product.

The present utility model is not limited to the above-mentioned embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalent changes and variations in the above-mentioned embodiments can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (10)

1. A portable fan, comprising:

the air conditioner comprises a shell, wherein an air channel is arranged in the shell, a first air inlet is formed in one side of the shell, a first ventilation pipe is concavely arranged in the first air inlet, a first air passing opening is formed in the side wall of the first ventilation pipe, and the first air inlet is communicated with the air channel through the first air passing opening; and

the first fan assembly is arranged in the air duct.

2. The portable fan of claim 1, wherein the first fan assembly includes a plurality of first fan blades circumferentially arranged and circumscribing a first concave space, the first vent tube extending inwardly into the first concave space.

3. The portable fan of claim 1, wherein the sidewall of the first ventilation tube comprises an annular sidewall, the first air port being disposed on the annular sidewall.

4. The portable fan of claim 1, further comprising a barrier covering the first air inlet; the blocking piece is provided with a vent, and the vent is communicated with the air duct through the first air passing opening.

5. The portable fan of claim 4, further comprising a scent diffusing unit housed within the first ventilation tube.

6. The portable fan of any of claims 1-5, wherein a second air inlet is further provided on the other side of the housing, the second air inlet communicating with the air duct.

7. The portable fan of claim 6, wherein the housing is provided with a second ventilation duct recessed inwardly at the second air inlet, a second air inlet is provided on a side wall of the second ventilation duct, and the second air inlet is communicated with the air duct through the second air inlet.

8. The portable fan of claim 7, wherein the first fan assembly includes a plurality of second fan blades circumferentially arranged and circumscribing a second concave space, the second ventilation tube extending inwardly into the second concave space.

9. The portable fan of claim 7, further comprising a second fan assembly disposed within the air duct, the second fan assembly disposed opposite the first fan assembly.

10. The portable fan of claim 9, wherein the second fan assembly includes a plurality of third fan blades circumferentially arranged and circumscribing a third concave space, the second ventilation tube extending inwardly into the third concave space.

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