CN213419522U

CN213419522U - Air duct structure and handheld bladeless small fan

Info

Publication number: CN213419522U
Application number: CN202022427762.3U
Authority: CN
Inventors: 郭斐; 郭嘉鑫; 郭嘉怡
Original assignee: Dongguan Jiamushi Electronic Co ltd
Current assignee: Dongguan Jiamushi Electronic Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-06-11
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a wind channel structure and handheld bladeless small fan, including first casing and second casing, the left surface of second casing is improved level and is equipped with longitudinal section left and be the annular deep bead of circle, the through-hole has been seted up to the upper end of first casing, the diameter of through-hole is greater than the diameter of deep bead longitudinal section, first casing and second casing looks adaptation and first casing lock joint are on the second casing, the through-hole cover of first casing is established on the deep bead board of second casing, first casing and second casing surround into an installation cavity, the bottom of first casing and second casing is equipped with the air intake, the installation cavity middle part that first casing and second casing surround is equipped with the flow distribution plate, the longitudinal section of flow distribution plate is inferior arcuation. The utility model has the advantages of even air-out, smooth and easy air-out, etc.

Description

Air duct structure and handheld bladeless small fan

Technical Field

The utility model belongs to the technical field of the fan, concretely relates to wind channel structure and handheld bladeless little fan.

Background

In hot summer, people go out, and are very hot and difficult to endure, so the handheld bladeless small fan can be produced at one time, the handheld bladeless small fan is convenient to carry and popular among people due to the small size and the hidden fan blades, but the existing handheld bladeless small fan still has the problems of uneven air outlet and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the weak point among the prior art, provide an even wind channel structure of air-out and handheld bladeless little fan.

In order to solve the technical problem, the utility model adopts the following technical scheme:

an air duct structure comprises a first shell and a second shell, wherein a wind shield with a circular longitudinal section is horizontally arranged on the left side surface of the second shell leftwards, a through hole is formed in the upper end of the first shell, the diameter of the through hole is larger than that of the longitudinal section of the wind shield, the first shell is matched with the second shell, the first shell is buckled on the second shell, the through hole of the first shell is sleeved on the wind shield plate of the second shell, the first shell and the second shell surround to form an installation cavity, the bottom of the first shell and the bottom of the second shell are provided with air inlets, the middle part of the installation cavity surrounded by the first shell and the second shell is provided with a flow distribution plate, the longitudinal section of the flow distribution plate is in a shape of a minor arc, the flow distribution plate is positioned below the wind shield and arranged along the left-right direction, the right side of the flow distribution plate is fixed on the left side surface of the second shell in the installation cavity, a plurality of flow guide plates are, the left part around the lateral wall of deep bead and a plurality of guide plate equipartition on the deep bead is established to a plurality of guide plate cover, the inferior arcuation is personally submitted in the left side of every guide plate in a plurality of guide plate, the right side of the guide plate at top is fixed with a division board along left right direction in the upper end of first casing, the right-hand member face that the division board extended right side of first casing and division board right side and installation cavity second casing contradict to be connected, two adjacent guide plates surround into an air-out direction air outlet left with the lateral wall of deep bead in a plurality of guide plate, the air outlet is linked together with the through-hole.

The utility model also discloses a handheld bladeless small fan, including battery, air-blast subassembly and as above the wind channel structure, the battery is installed at the installation intracavity along vertical direction, first wind channel support and second wind channel support are installed respectively to the upper end and the lower extreme of battery, first wind channel support is located the below of installation intracavity flow distribution plate, air-blast unit mount is linked together bottom and air-blast subassembly and the air intake of second wind channel support, the control panel is installed to the lateral part of battery, the button mounting hole has been seted up on the left surface of first casing, install the button in the button mounting hole, the button is contradicted with the control panel and is connected, be equipped with the interface mounting hole that charges on the right flank of second casing, install the interface that charges in the interface mounting hole, the interface that charges, air-blast subassembly and battery all are connected with the.

The air blowing assembly comprises a motor and fan blades, an output shaft of the motor is arranged downwards, the fan blades are installed on the output shaft of the motor, and the motor is electrically connected with the control panel.

The front side, the rear side, the left side and the right side of the first air channel support are respectively provided with a first air dividing plate perpendicular to the first air channel support, and the front side, the rear side, the left side and the right side of the second air channel support are respectively provided with a second air dividing plate perpendicular to the second air channel support.

And a decorative ring is arranged on the left side surface of the through hole of the first shell.

Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:

(1) the utility model discloses be equipped with spare part such as deep bead, guide plate, flow distribution plate, when using wind along the utility model discloses a wind channel structure flows to the leading flank and the trailing flank of deep bead respectively through the reposition of redundant personnel of flow distribution plate after getting into from the air intake, and the top of deep bead is equipped with the division board and can divides the wind of the leading flank and the trailing flank of deep bead, then flow to the left side that the air outlet discharged first casing through the guide plate, and because the effect of flow distribution plate, wind-force can flow along the inner wall of first casing and second casing, the left side of a plurality of guide plate is the bad arcuation, the design that the left side is the bad arcuation can make wind-force receive littleer resistance, make the air-out more smooth and;

(2) the utility model discloses all be equipped with a first minute aerofoil perpendicular to first wind channel support on the leading flank, trailing flank, left surface and the right flank of first wind channel support, all be equipped with a second minute aerofoil perpendicular to second wind channel support on the leading flank, trailing flank, left surface and the right flank of second wind channel support, the setting of first minute aerofoil and second minute aerofoil can play the cutting effect with wind-force, make wind-force can flow along the inner wall of first casing second casing, wind-force flows more smoothly;

to sum up, the utility model has the advantages of the air-out is even, and the air-out is smooth and easy.

Drawings

Fig. 1 is a schematic structural view of a hand-held bladeless small fan according to the present invention;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is a left side view of fig. 1.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model relates to an air duct structure, which comprises a first shell 1 and a second shell 2, a wind shield 3 with a circular ring-shaped longitudinal section is horizontally arranged on the left side surface of the second shell 2, a through hole is arranged at the upper end of the first shell 1, the diameter of the through hole is larger than that of the longitudinal section of the wind shield 3, the first shell 1 is matched with the second shell 2, the first shell 1 is buckled on the second shell 2, the through hole of the first shell 1 is sleeved on the wind shield 3 plate of the second shell, the first shell 1 and the second shell 2 surround an installation cavity, the bottom parts of the first shell 1 and the second shell 2 are provided with air inlets, the middle part of the installation cavity surrounded by the first shell 1 and the second shell 2 is provided with a splitter plate 4, the longitudinal section of the splitter plate 4 is arc-shaped, the splitter plate 4 is positioned below the wind shield 3 and the splitter plate 4 is arranged along the left-right direction, the right side surface of the splitter plate 4 is fixed on the left side surface of the second shell 2 in, be equipped with a plurality of guide plate 5 along left right direction on the inside wall of 1 upper portion of first casing, 5 covers of a plurality of guide plate are established on deep bead 3 and the 5 equipartitions of a plurality of guide plate are in the lateral wall of deep bead 3 around the left part (be equipped with the space between the right flank of guide plate 5 and the left surface of installation intracavity second casing 2 promptly), the inferior arcuation is personally submitted in every guide plate 5's in a plurality of guide plate 5 left side, the right side of the guide plate 5 at top is fixed with a division board 6 along left right direction in the upper end of first casing 1, division board 6 extends right the right side of first casing 1 and the right-hand member face of division board 6 is contradicted with the left side of installation intracavity second casing 2 and is connected, two adjacent guide plates 5 enclose into an air-out direction air outlet left with the outside wall of deep bead.

As shown in fig. 1-3, the hand-held bladeless small fan of the present invention comprises a battery 7, an air blowing assembly and an air duct structure as described above, wherein the battery 7 is vertically installed in an installation cavity, a first air duct bracket 11 and a second air duct bracket 12 are respectively installed at the upper end and the lower end of the battery 7, the first air duct bracket 11 is located below a flow plate 4 in the installation cavity, the air blowing assembly is installed at the bottom of the second air duct bracket 12 and is communicated with an air inlet, a control panel 8 is installed at the side of the battery 7, a key installation hole is opened on the left side of the first casing 1, a key 9 is installed in the key installation hole, the key 9 is in abutting connection with the control panel 8, a charging interface installation hole is provided on the right side of the second casing 2, a charging interface 10 is installed in the charging interface installation hole, the charging interface 10, the air blowing assembly and the battery 7 are electrically, the wind power of the utility model moves towards the direction that the wind enters from the air inlet, then flows along the inner walls of the first shell 1 and the second shell 2 under the action of the second wind dividing plate 14 and the first wind dividing plate 13, then reaches the 4 flow dividing plate of the 4 flow dividing plate to guide one part of the divided wind to the rear side of the wind screen 3 in the installation cavity, and the other part of the divided wind to the front side of the wind screen 3, and because of the action of the division plate 6, the wind at the front side and the rear side of the wind screen 3 can not generate convection phenomenon, finally the wind power is discharged from the air outlet enclosed by the adjacent flow guide plate 5 and the wind screen 3, the left side of the flow guide plate 5 is in a bad arc shape, namely, the connecting part between the left side of the flow guide plate 5 and the wind screen 3 is in a round angle shape, the setting of the round angle can reduce the wind resistance, the wind power, finally, the air is uniformly discharged through the guiding function of the guide plate.

The blower assembly comprises a motor 15 and fan blades 16, an output shaft of the motor 15 is arranged downwards, the fan blades 16 are installed on the output shaft of the motor 15, and the motor 15 is electrically connected with the control board 8.

The front side, the rear side, the left side and the right side of the first air duct support 11 are respectively provided with a first air dividing plate 13 perpendicular to the first air duct support 11, and the front side, the rear side, the left side and the right side of the second air duct support 12 are respectively provided with a second air dividing plate 14 perpendicular to the second air duct support 12.

And a decorative ring 17 is arranged on the left side surface of the through hole of the first shell 1.

The utility model discloses a concrete use as follows:

when the utility model is used, the air outlet of the utility model is aligned with the user of the utility model, then the key 9 is pressed down to open the utility model, the motor 15 is started to drive the fan blade 16 to rotate, the fan blade 16 blows the wind power into the installation cavity from the air inlet, after the wind power enters the installation cavity, the wind power flows along the inner walls of the first shell 1 and the second shell 2 under the action of the first wind distribution plate 13 and the second wind distribution plate 14 from bottom to top, then the component force reaches the flow distribution plate 4, after the wind power reaches the flow distribution plate 4, under the action of the flow distribution plate 4, the flow distribution plate 4 guides the wind flow to guide one part of the flow distribution to the rear side of the wind screen 3 in the installation cavity, the other part of the flow distribution to the front side of the wind screen 3, and because of the division plate 6, the wind at the front and rear sides of the wind screens 3 can not generate convection phenomenon, finally the wind power is discharged out from the air outlet enclosed by the, the utility model discloses after finishing using, press button 9 and close the utility model discloses, the utility model discloses a when 7 electric quantities of battery run out, utilize the utility model discloses an interface 10 that charges switches on external power supply does the utility model discloses charge.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

Claims

1. The utility model provides an air flue structure, includes first casing and second casing, and the left surface of second casing is improved level and is equipped with longitudinal section left and be the annular deep bead of circle, and the through-hole has been seted up to the upper end of first casing, and the diameter of through-hole is greater than the diameter of deep bead longitudinal section, and first casing and second casing looks adaptation and first casing lock joint are on the second casing, and the through-hole cover of first casing is established on the deep bead board of second shell, its characterized in that: the bottom of the first shell and the second shell is provided with an air inlet, the middle part of the installation cavity enclosed by the first shell and the second shell is provided with a splitter plate, the longitudinal section of the splitter plate is in a minor arc shape, the splitter plate is positioned below a wind shield and is arranged along the left-right direction, the right side of the splitter plate is fixed on the left side surface of the second shell in the installation cavity, the inner side wall of the upper part of the first shell is provided with a plurality of guide plates along the left-right direction, the plurality of guide plates are sleeved on the wind shield and are evenly distributed at the left part around the outer side wall of the wind shield, the left side of each guide plate in the plurality of guide plates is in the minor arc shape, the right side of the guide plate at the inner top of the upper end of the first shell is fixedly provided with a splitter plate along the left-right direction, the splitter plate extends to the right side of the first shell, and the right end surface of, two adjacent guide plates in the plurality of guide plates and the outer side wall of the wind shield enclose an air outlet with the left air outlet direction, and the air outlet is communicated with the through hole.

2. A hand-held bladeless small fan, characterized in that: the air duct structure comprises a battery, an air blowing assembly and the air duct structure according to claim 1, wherein the battery is installed in an installation cavity in the vertical direction, a first air duct support and a second air duct support are respectively installed at the upper end and the lower end of the battery, the first air duct support is located below a flow distribution plate in the installation cavity, the air blowing assembly is installed at the bottom of the second air duct support, the air blowing assembly is communicated with an air inlet, a control plate is installed on the side portion of the battery, a key installation hole is formed in the left side face of a first shell, a key is installed in the key installation hole, the key is in abutting connection with the control plate, a charging interface is arranged on the right side face of a second shell, and the charging interface is installed in the charging interface installation.

3. A hand-held bladeless mini-fan according to claim 2, wherein: the air blowing assembly comprises a motor and fan blades, an output shaft of the motor is arranged downwards, the fan blades are installed on the output shaft of the motor, and the motor is electrically connected with the control panel.

4. A hand-held bladeless mini-fan according to claim 3, wherein: the front side, the rear side, the left side and the right side of the first air channel support are respectively provided with a first air dividing plate perpendicular to the first air channel support, and the front side, the rear side, the left side and the right side of the second air channel support are respectively provided with a second air dividing plate perpendicular to the second air channel support.

5. A hand-held bladeless mini-fan according to claim 2, wherein: and a decorative ring is arranged on the left side surface of the through hole of the first shell.