CN216157938U

CN216157938U - Bladeless fan

Info

Publication number: CN216157938U
Application number: CN202122128280.2U
Authority: CN
Inventors: 赵伟
Original assignee: Zhongshan Odeer Electronics Lighting Co ltd
Current assignee: Zhongshan Odeer Electronics Lighting Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-04-01
Anticipated expiration: 2031-09-03

Abstract

The utility model relates to a bladeless fan, which comprises a bottom shell, an upper cover, an air duct piece, a plurality of fan components and an air swing mechanism, wherein the bottom shell is provided with a plurality of fan blades; the bottom shell is provided with an accommodating groove, and the side wall of the accommodating groove is provided with an air inlet; the upper cover is arranged at the opening of the accommodating groove; the upper cover is provided with a through hole; the air duct piece is arranged in the accommodating groove and is positioned on the inner side of the air inlet; an air outlet channel is formed between the outer edge of the top end of the air duct piece and the inner edge of the through hole; the fan assembly is arranged between the air inlet and the air duct piece; the air swinging mechanism is used for changing the wind direction of the air outlet channel. According to the utility model, the fan assembly is hidden in the bottom shell, the wind direction is changed through the wind channel piece, wind enters the bottom shell from the side surface of the bottom shell and is discharged from the wind outlet channel at the upper cover, so that the effect of wind inlet from the side surface and wind outlet from the front surface is realized, the hidden effect of the fan blades is realized, the wind sense is natural, and the decorative property and the safety property of the hidden fan are stronger; through setting up pendulum wind subassembly, can realize the air-out change of air-out passageway, improve bladeless fan's practicality and functionality.

Description

Bladeless fan

Technical Field

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

Background

The fan becomes an indispensable product in daily life of people, and is widely applied to places such as homes, offices, shops, outdoors and the like. However, the existing fans in the market are all fan blades visible, vertical or hanging fans occupy a large space integrally, the air outlet range is not large enough, the wind sense is not natural, and the decorative property is also not sufficient. And a small part of fans can be of a bladeless fan structure, but do not have the air swinging function.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to overcome the defects and shortcomings in the prior art and provide a bladeless fan.

A bladeless fan comprises a bottom shell, an upper cover, an air duct piece, a plurality of fan components and an air swing mechanism;

the bottom shell is provided with an accommodating groove, and the side wall of the accommodating groove is provided with an air inlet;

the upper cover is arranged at the opening of the accommodating groove; the upper cover is provided with a through hole;

the air duct piece is arranged in the accommodating groove and is positioned on the inner side of the air inlet; an air outlet channel is formed between the outer edge of the top end of the air duct piece and the inner edge of the through hole;

the fan assembly is arranged between the air inlet and the air duct piece;

the air swinging mechanism is arranged in the accommodating groove and used for changing the air direction of the air outlet channel.

According to the bladeless fan, the fan assembly is hidden in the bottom shell, the wind direction is changed through the wind channel piece, wind enters the bottom shell from the side face of the bottom shell and is discharged from the wind outlet channel at the upper cover, the effect of wind inlet from the side face and wind outlet from the front face is achieved, the hiding effect of the fan blades is achieved, the wind feeling is natural, and the decoration property and the safety property of the hidden fan are stronger; the fan can be installed in a wall-mounted mode, the transverse size is small, and the transverse space is saved; through setting up pendulum wind subassembly, can realize the air-out change of air-out passageway, improve bladeless fan's practicality and functionality.

Furthermore, the air swing mechanism comprises an arc-shaped baffle and a plurality of air swing baffles; the arc-shaped baffle plate is rotatably arranged at the top end of the air duct piece and partially shields the air outlet channel; the wind swing baffle plates are obliquely arranged at the bottom of the arc baffle plate at intervals.

The beneficial effects of adopting above-mentioned further scheme are that, fan unit bloies to the pendulum wind separation blade on, and then orders about the arc separation blade and rotate, makes the arc separation blade change in the position of air-out passageway, and then has realized the wind direction change of air-out passageway, and has utilized the wind drive arc separation blade that fan unit produced to rotate, and its structure is ingenious, green.

Furthermore, the wind swinging mechanism also comprises a plurality of pulleys; the pulleys are arranged at the bottom of the arc-shaped blocking piece, and each pulley is in contact with the bottom surface of the upper cover.

Adopt above-mentioned further scheme's beneficial effect to be, through setting up the pulley, can make the arc separation blade rotate more smoothly, reduce its rotational friction.

Further, the wind swinging mechanism comprises an annular grating and a driving assembly; the annular grating is rotatably arranged at the top end of the air duct piece and covers the air outlet channel; the driving component drives the annular grating to rotate.

The beneficial effect who adopts above-mentioned further scheme is that annular grid can rotate around wind channel spare on the air-out passageway under drive assembly's drive, and then can change the air-out wind direction of air-out passageway.

Further, the driving assembly comprises a motor and a driving gear; the outer ring surface of the annular grating is provided with a toothed ring; the driving gear is connected with the output end of the motor and meshed with the gear ring.

Further, the air swinging mechanism comprises an annular air swinging cover and a driving assembly; the annular swing wind cover is rotatably arranged on the outer side of the air duct piece; the annular air swing cover is in an oblique column shape, and the bottom of the annular air swing cover and the bottom of the air duct piece are coaxially arranged; the driving component drives the annular swinging hood to rotate.

The beneficial effect who adopts above-mentioned further scheme is that, the formation pressure difference that has changed fan assembly through setting up the annular pendulum fan housing of pivoted oblique column shape bloies, and then realizes that the wind direction of air-out passageway changes.

Furthermore, the wind swinging mechanism also comprises a plurality of rollers; the rollers are rotatably arranged between the annular air swing cover and the air duct piece.

The air duct piece is arranged on the air inlet side of the air duct body, the annular air swing cover is arranged on the air inlet side of the air duct piece, and the air duct piece is arranged on the air outlet side of the air duct piece.

Further, the driving assembly comprises a motor and a driving gear; a toothed ring is arranged at the bottom of the outer ring surface of the annular swinging fan cover; the driving gear is connected with the output end of the motor and meshed with the gear ring.

Further, the air duct piece is in a hollow ring shape; the outer edge of the top end of the air duct piece is smaller than the outer edge of the bottom end of the air duct piece; the side wall of the air duct piece is bent towards the circumferential inner side direction; the fan assembly is obliquely arranged between the air inlet and the air duct piece.

The air duct piece has the advantages that the outer edge of the top end of the air duct piece is smaller than the outer edge of the bottom end of the air duct piece, and meanwhile, the side wall is bent towards the circumferential inner side direction of the air duct piece, so that the air entering the side face of the bottom shell can naturally and smoothly change direction along the side wall of the air duct piece and then is discharged from the air outlet channel; the air duct piece is in a hollow ring shape and is integrally in a thin-wall shape, so that the weight of the air duct piece is reduced, and meanwhile, the air duct piece is convenient to produce and install; the fan assembly is obliquely arranged between the air inlet and the air duct piece, so that the fan assembly can blow along the side wall of the air duct piece, and the wind sense is more natural.

For a better understanding and practice, the utility model is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment;

FIG. 2 is a schematic diagram illustrating an internal structure according to a first embodiment;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural diagram of the second embodiment;

FIG. 5 is a schematic view of the internal structure of the second embodiment;

fig. 6 is a schematic structural view of an air duct member according to the first and second embodiments;

FIG. 7 is a schematic structural view of the third embodiment;

FIG. 8 is a schematic view of a first internal structure of the third embodiment;

fig. 9 is a second internal structural diagram of the third embodiment.

In the figure: 10. a bottom case; 11. accommodating grooves; 111. an air inlet; 20. an upper cover; 21. a through hole; 30. an air duct member; 31. an air outlet channel; 40. a fan assembly; 50. a protective cover; 61. an arc-shaped baffle plate; 611. an annular connecting portion; 62. a wind swing baffle plate; 63. a pulley; 64. an annular grid; 651. a motor; 652. a driving gear; 66. a toothed ring; 67. an annular air swing cover.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that in the description of the present application, the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application. The terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, i.e. a feature defined as "first", "second" may explicitly or implicitly include one or more of such features. Further, unless otherwise specified, "a plurality" means two or more.

It should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "hollow" are to be construed broadly, e.g., as meaning 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 application can be understood in a specific case by those of ordinary skill in the art.

The first embodiment is as follows:

referring to fig. 1 to 3 and fig. 6, a bladeless fan of the present embodiment includes a bottom case 10, an upper cover 20, an air duct 30, a plurality of fan assemblies 40, a protective cover 50, and an air swing mechanism;

specifically, the bottom shell 10 is provided with an accommodating groove 11, and the side wall of the accommodating groove 11 is provided with an air inlet 111;

more specifically, the air inlets 111 are uniformly distributed around the side wall of the accommodating groove 11 in the circumferential direction; the whole bottom shell 10 is sunken, the sunken position forms the accommodating groove 11, the side wall of the accommodating groove 11 is thin-walled, and the whole shell and the accommodating groove 11 are rectangular.

Specifically, the upper cover 20 is disposed at an opening of the accommodating groove 11; the bottom shell 10 and the upper cover 20 may be preferably connected by a snap;

more specifically, the upper cover 20 is provided with a through hole 21.

Specifically, the air duct member 30 is disposed in the accommodating groove 11 and located inside the air inlet 111; an air outlet channel 31 is formed between the outer edge of the top end of the air duct piece 30 and the inner edge of the through hole 21;

more specifically, the air duct member 30 is in a hollow ring shape, the side wall of the air duct member 30 is a circular ring surface, and the side wall of the air duct member 30 is bent towards the inner side of the circumferential direction thereof; the top end outer edge of the air duct member 30 is smaller than the bottom end outer edge thereof, and the top end opening of the air duct member 30 is flush with the opening of the through hole 21.

Specifically, the fan assemblies 40 are disposed between the air inlet 111 and the air duct 30, and two sets of fan assemblies 40 are correspondingly disposed on each side of the bottom case 10; the fan assembly 40 may be a bladed mini fan or an axial fan.

Specifically, the protective cover 50 is arranged at the top opening of the air duct 30, and the protective cover 50 is arranged to cover the top opening of the air duct 30, so that the inside of the bottom case 10 is kept relatively sealed, dust is prevented from entering the inside of the bottom case 10, and meanwhile, air is only discharged from the air outlet channel 31; the protective cover 50 may also be integrally formed with the air duct member 30.

Specifically, in order to realize the wall-hanging function, the bottom case 10 may be provided with a wall-hanging bottom case 10, that is, a fan may be hung on a wall or a ceiling by providing a hanging member (not shown), which is not described herein again;

specifically, the air swinging mechanism is arranged in the accommodating groove 11 and is used for changing the wind direction of the air outlet channel 31;

in the preferred embodiment, the wind swing mechanism comprises an arc-shaped baffle 61, a plurality of wind swing baffles 62 and a plurality of pulleys 63; the arc-shaped baffle piece 61 is rotatably arranged at the top end of the air duct piece 30 and partially shields the air outlet channel 31; specifically, the arc-shaped blocking piece 61 can block a quarter of the air outlet channel 31, that is, the arc-shaped blocking piece 61 is in a quarter-ring structure; the rotational connection between the arc-shaped blocking piece 61 and the air duct member 30 can be realized by connecting the annular connecting portion 611 at the inner side of the arc-shaped blocking piece 61, and further arranging an annular rail and an annular chute respectively at the top end of the arc-shaped blocking piece 61 and the top end of the air duct member 30 through the annular connecting portion 611 and performing annular rail connection, so that the rotational connection between the two is realized, and further, other structures for realizing the rotational connection belong to the prior art and are not described herein;

each wind swing baffle plate 62 is obliquely arranged at the bottom of the arc baffle plate 61, and the wind swing baffle plates 62 are arranged at certain intervals;

the pulleys 63 are arranged at the bottoms of the arc-shaped blocking pieces 61, and one side of each wind swinging blocking piece 62 is correspondingly provided with a group of pulleys 63; each pulley 63 contacts the bottom surface of the upper cover 20.

The working process of the embodiment:

the bladeless fan can be accessed through an external power supply so as to supply power to the fan; an independent power supply may also be provided within the bottom case 10 to supply power to the fan independently.

After the power is switched on, the fan can be started, and then the fan assembly 40 sucks air into the bottom shell 10 from the air inlet 111, and blows the air to the air channel member 30, so that the air changes the direction and is discharged from the air outlet channel 31, and the blowing function of the bladeless fan is realized;

in the blowing process of the fan assembly 40, air flows onto the air swing blocking piece 62 to drive the arc blocking piece 61 to rotate, so that the position of the arc blocking piece 61 in the air outlet channel 31 is changed, and the change of the wind direction of the air outlet channel 31 is further realized; in the rotating process of the arc-shaped blocking piece 61, the pulley 63 and the upper cover 20 roll relatively, so that the arc-shaped blocking piece 61 rotates more smoothly.

Example two:

referring to fig. 4 to 6, a bladeless fan according to the second embodiment of the present invention is different from the first embodiment of the present invention in that the structures of the wind-swinging mechanisms of the two embodiments are different, and the structure and the working principle of the wind-swinging mechanism of the second embodiment of the present invention are described in detail as follows:

the air swinging mechanism comprises an annular grating 64 and a driving component; the annular grille 64 is rotatably arranged at the top end of the air duct piece 30 and covers the air outlet channel 31, and a plurality of parallel strip-shaped through holes 21 are formed in the annular grille 64; the annular grid 64 can be connected with the top end of the air duct member 30 by respectively arranging an annular track and an annular chute and connecting the annular track and the annular chute to realize the rotary connection of the annular track and the annular chute, and other structures for realizing the rotary connection belong to the prior art and are not described herein;

the drive assembly drives the annular grating 64 to rotate;

in the preferred embodiment, the drive assembly includes a motor 651 and a pinion gear 652; the outer ring surface of the annular grating 64 is provided with a toothed ring 66; the pinion gear 652 is connected to an output of the motor 651 and is engaged with the ring gear 66.

The working process of the wind swinging mechanism of the embodiment is as follows:

the motor 651 drives the driving gear 652, so as to drive the toothed ring 66 and the annular grille 64 to rotate, and the toothed ring can rotate around the air duct member 30 on the air outlet channel 31, so as to change the air outlet direction of the air outlet channel 31.

Example three:

referring to fig. 7 to 9, a bladeless fan of the present embodiment includes a bottom case 10, an upper cover 20, an air duct 30, a plurality of fan assemblies 40, a protection cover 50, and an air swing mechanism;

more specifically, the upper cover 20 is provided with a through hole 21.

more specifically, the air duct piece 30 is a hollow ring shape, the side wall of the air duct piece 30 is a circular ring-shaped surface, and the top end opening of the air duct piece 30 is flush with the opening of the through hole 21.

specifically, the air swinging mechanism comprises an annular air swinging cover 67, a driving assembly and a plurality of rollers; the annular air swing cover 67 is rotatably arranged on the outer side of the air duct member 30; the annular air swing cover 67 is in an oblique column shape, and the bottom of the annular air swing cover 67 and the bottom of the air duct member 30 are coaxially arranged;

the driving assembly drives the annular air swing cover 67 to rotate; preferably, the drive assembly includes a motor 651 and a drive gear 652; a toothed ring 66 is arranged at the bottom of the outer annular surface of the annular swinging air cover 67; the driving gear 652 is connected with the output end of the motor 651 and is meshed with the gear ring 66;

the rollers are rotatably arranged between the annular air swing cover 67 and the air duct member 30, and the side surfaces of the rollers are in contact with the annular air swing cover 67 and the air duct member 30.

The working process of the embodiment:

the bladeless fan can be accessed through an external power supply, so that the fan is independently powered; an independent power supply may also be provided within the bottom case 10 to supply power to the fan independently.

After the power is switched on, the fan can be started, and then the fan assembly 40 sucks air into the bottom shell 10 from the air inlet 111, and blows the air to the annular air swinging cover 67, so that the air changes the direction and is discharged from the air outlet channel 31, and the blowing function of the bladeless fan is realized;

meanwhile, the motor 651 drives the driving gear 652 to further drive the gear ring 66 and the annular air swing cover 67 to rotate, the annular air swing cover 67 can rotate around the air duct member 30 on the air outlet channel 31, the pressure difference generated by blowing air of the fan assembly 40 is changed by arranging the rotating inclined columnar annular air swing cover 67, and then the wind direction change of the air outlet channel 31 is realized.

Compared with the prior art, the fan assembly is hidden in the bottom shell, the wind direction is changed through the wind channel piece, wind enters the bottom shell from the side face of the bottom shell and is discharged from the wind outlet channel at the upper cover, the effect of side wind inlet and front wind outlet is achieved, the hidden effect of the fan blades is achieved, the wind sense is natural, and the decorative property and the safety property of the hidden fan are stronger; the fan can be installed in a wall-mounted mode, the transverse size is small, and the transverse space is saved; through setting up pendulum wind subassembly, can realize the air-out change of air-out passageway, improve bladeless fan's practicality and functionality.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A bladeless fan, comprising:

the fan components are arranged between the air inlet and the air duct piece;

and the air swinging mechanism is arranged in the accommodating groove and is used for changing the wind direction of the air outlet channel.

2. The bladeless fan of claim 1, wherein the wind swinging mechanism comprises an arc-shaped baffle and a plurality of wind swinging baffles; the arc-shaped baffle plate is rotatably arranged at the top end of the air duct piece and partially shields the air outlet channel; the wind swing baffle plates are obliquely arranged at the bottom of the arc baffle plate at intervals.

3. The bladeless fan of claim 2, wherein the fan swing mechanism further comprises a plurality of pulleys; the pulleys are arranged at the bottom of the arc-shaped blocking piece, and each pulley is in contact with the bottom surface of the upper cover.

4. The bladeless fan of claim 1, wherein the fan swing mechanism comprises an annular grille and a drive assembly; the annular grating is rotatably arranged at the top end of the air duct piece and covers the air outlet channel; the driving component drives the annular grating to rotate.

5. The bladeless fan of claim 4, wherein the drive assembly comprises a motor and a drive gear; the outer ring surface of the annular grating is provided with a toothed ring; the driving gear is connected with the output end of the motor and meshed with the gear ring.

6. The bladeless fan of claim 1, wherein the fan swing mechanism comprises an annular fan swing housing and a drive assembly; the annular swing wind cover is rotatably arranged on the outer side of the air duct piece; the annular air swing cover is in an oblique column shape, and the bottom of the annular air swing cover and the bottom of the air duct piece are coaxially arranged; the driving component drives the annular swinging hood to rotate.

7. The bladeless fan of claim 6, wherein the fan swing mechanism further comprises a plurality of rollers; the rollers are rotatably arranged between the annular air swing cover and the air duct piece.

8. The bladeless fan of claim 7, wherein the drive assembly comprises a motor and a drive gear; a toothed ring is arranged at the bottom of the outer ring surface of the annular swinging fan cover; the driving gear is connected with the output end of the motor and meshed with the gear ring.

9. The bladeless fan according to any one of claims 1-8, wherein the air channel member is in the shape of a hollow ring; the outer edge of the top end of the air duct piece is smaller than the outer edge of the bottom end of the air duct piece; the side wall of the air duct piece is bent towards the circumferential inner side direction; the fan assembly is obliquely arranged between the air inlet and the air duct piece.