CN214791642U

CN214791642U - Air channel structure of humidifying fan and humidifying fan

Info

Publication number: CN214791642U
Application number: CN202120775383.5U
Authority: CN
Inventors: 李一峰; 梁海权; 车建平
Original assignee: Foshan Xiaoxiong Life Electric Appliance Co ltd; Bear Electrical Appliance Co Ltd
Current assignee: Foshan Xiaoxiong Life Electric Appliance Co ltd; Bear Electrical Appliance Co Ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2021-11-19
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a wind channel structure of a humidifying fan, which comprises a wind guide groove and a wind guide bracket, wherein the wind guide groove comprises a lower wind groove and wind outlet grooves which are arranged at two sides of the lower wind groove and are communicated with the lower wind groove; the air outlet groove is communicated with the water tank; the air guide support comprises a first opening communicated with the lower air groove, and the first opening side faces the fan to form an auxiliary air channel. In the air duct structure of the utility model, the air flow blowing to the water tank in the auxiliary air duct does not directly face the water tank, but enters the water tank through the air guide groove, thereby playing the role of preventing backflow; secondly, the air guide groove is divided into a lower air groove and an air outlet groove, so that the air speed of air flow entering the water tank can be effectively reduced, dust and debris are filtered, and the water body in the water tank is prevented from being polluted; finally, the air duct structure consists of an air guide groove and an air guide support, and the water tank is easy to clean after being detached. Additionally, the utility model discloses still provide the humidification fan that has this wind channel structure.

Description

Air channel structure of humidifying fan and humidifying fan

Technical Field

The utility model relates to an articles for daily use field, concretely relates to wind channel structure and humidification fan of humidification fan.

Background

The desktop small fans on the market have more and more products with humidifying functions, and part of the humidifying fans adopt an ultrasonic atomization technical scheme to quickly generate water mist and blow out the water mist to achieve a cooling effect. The humidifying fan is provided with the shunting air channel in the main air channel and used for shunting a part of air flow into the water tank, but the straight-through shunting air channel has no backflow prevention effect, and when the humidifying fan is obliquely placed or shakes, water in the water tank flows backwards from the shunting air channel and enters the machine body to cause component damage, so that the use of a user is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a humidification fan's wind channel structure and humidification fan.

The utility model discloses a solve the technical scheme that its problem adopted and be:

a duct structure of a humidifying fan, comprising:

the air guide groove comprises a lower air groove and air outlet grooves which are arranged on two sides of the lower air groove and communicated with the lower air groove; the air outlet groove is communicated with the water tank;

the air guide support comprises a first opening communicated with the lower air groove, and the first opening side faces the fan to form an auxiliary air channel.

In the air duct structure of the utility model, the air flow blowing to the water tank in the auxiliary air duct does not directly face the water tank, but enters the water tank through the air guide groove, thereby playing the role of preventing backflow; secondly, the air guide groove is divided into a lower air groove and an air outlet groove, so that the air speed of air flow entering the water tank can be effectively reduced, dust and debris are filtered, and the water body in the water tank is prevented from being polluted; finally, the air duct structure consists of an air guide groove and an air guide support, and the water tank is easy to clean after being detached.

Further, the lower air duct comprises a lower air plate, a left front side wall and a right front side wall which are arranged on the lower air plate, a buffer wall which is arranged opposite to the front side wall of the lower air plate, and a water tank upper cover which is respectively connected with the left front side wall, the right front side wall and the buffer wall of the lower air plate; and an air inlet communicated with the first opening is formed in the upper cover of the water tank.

From this, the air current can collide with the buffer wall when getting into the air-out groove from lower wind groove, and the air current direction changes and the velocity of flow reduces, and most dust and piece attached to in the air current can drop to reduce the pollution to the water tank water.

Furthermore, the air outlet groove comprises air guide walls arranged on two sides of the buffer wall, an air guide plate connected with the air guide walls, an air outlet wall arranged on the air guide plate and opposite to the air guide walls, and a water tank upper cover respectively connected with the air outlet wall and the air guide walls; and an air outlet communicated with the inside of the water tank is arranged on the air outlet wall.

Therefore, the air outlet wall can be used for blocking fragments and preventing water in the water tank from flowing back into the air guide groove through the air outlet.

Additionally, the utility model discloses the second aspect still provides a humidification fan, including fan housing, above-mentioned wind channel structure, fan and water tank, wind channel structure, fan and water tank all set up in the fan housing.

Further, be provided with first sealing washer between the first opening of wind-guiding support and the fan casing, wherein:

the first sealing ring is sleeved at the lower end of the first opening, and the bottom of the first sealing ring is abutted with the fan shell to form waterproof sealing.

Further, be equipped with the atomizer in the water tank, be equipped with the second sealing washer between water tank fog outlet and the fan casing, wherein:

the lower part of the second sealing ring is sleeved at the mist outlet of the water tank;

the upper portion of second sealing washer is equipped with the elastic deformation portion in order to form waterproof sealing with fan housing looks butt, elastic deformation portion certainly the excircle circumference centre of a circle direction slope of second sealing washer upwards extends.

Therefore, when the water tank is installed in the fan shell, the elastic deformation part positioned at the top of the second sealing ring is deformed by external force, and the elastic deformation part is tightly abutted to the bottom of the fan shell, so that the mist in the water tank is prevented from seeping out and entering the fan shell to cause circuit faults.

Furthermore, the lower part of the second sealing ring is also provided with a flanging which is sleeved on the mist outlet of the water tank.

From this, set up the turn-ups and can provide horizontal limiting displacement to improve the installation effectiveness of second sealing washer.

Furthermore, elastic deformation portion, turn-ups all with second sealing washer integrated into one piece.

Further, still including the intercommunication the fog mouth of atomizer, fan housing with be equipped with the third sealing washer between the fog mouth, wherein:

the third sealing ring is sleeved at the lower end of the fog nozzle, and the bottom of the third sealing ring is abutted with the fan shell to form waterproof sealing.

Furthermore, the air guide support also comprises a second opening which is opposite to the fan, so that a main air duct is formed; and an air outlet mesh enclosure is arranged at the rear side of the second opening.

Therefore, under the action of the fan, most of air flow blows out air flow through the main air duct and the air outlet net cover.

To sum up, the utility model discloses a wind channel structure and humidification fan of humidification fan has following beneficial effect:

(1) in the air duct structure of the utility model, the air flow blowing to the water tank in the auxiliary air duct does not directly face the water tank, but enters the water tank through the air guide groove, thereby playing the role of preventing backflow; secondly, the air guide groove is divided into a lower air groove and an air outlet groove, so that the air speed of air flow entering the water tank can be effectively reduced, dust and debris are filtered, and the water body in the water tank is prevented from being polluted; finally, the air duct structure consists of an air guide groove and an air guide support, and the water tank is easy to clean after being detached.

(2) The utility model discloses a wind channel structure, the air current can collide with the buffer wall when getting into out the wind groove from lower wind groove, and the air current direction changes and the velocity of flow reduces, and most dust and the piece that adheres to in the air current can drop to reduce the pollution to the water tank water.

(3) The utility model discloses a wind channel structure, through setting up the air-out wall, can be used to block the piece and prevent that the water in the water tank from flowing backward into the wind-guiding groove through the air outlet.

Drawings

Fig. 1 is an exploded view of a humidifying fan according to the present invention;

FIG. 2 is a schematic view of a part of the structure of the upper cover of the water tank of the present invention;

FIG. 3 is a schematic view of the inside structure of the water tank of the present invention;

fig. 4 is a schematic sectional view of the humidifying fan of the present invention;

FIG. 5 is a partial enlarged view of portion A of FIG. 4;

fig. 6 is a schematic perspective view of fig. 4.

Wherein the reference numerals have the following meanings:

1. a wind guide groove; 11. a lower air duct; 111. a leeward plate; 112. a front side wall; 113. a buffer wall; 114. a left side wall; 115. a right side wall; 12. an air outlet groove; 121. an air guide wall; 122. an air deflector; 123. an air outlet wall; 1231. an air outlet; 2. an air guide bracket; 21. a first opening; 22. a second opening; 31. a first seal ring; 32. a second seal ring; 321. an elastic deformation portion; 322. flanging; 33. a third seal ring; 4. a fan housing; 5. a fan; 6. a water tank; 61. an upper cover of the water tank; 611. an air inlet; 62. a water tank body; 7. an air outlet net cover; 81. an atomizer; 82. a fog nozzle.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "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 the 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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example one

Referring to fig. 1-6, the utility model provides an air duct structure of humidifying fan, including setting up wind guide bracket 2 in fan housing 4 and setting up wind-guiding groove 1 at 6 tops of water tank. The air guide bracket 2 comprises a first opening 21 and a second opening 22, and the first opening 21 side is arranged opposite to the fan 5 so as to form an auxiliary air duct; the second opening 22 is disposed opposite to the fan 5, thereby forming a main air passage. The air guide groove 1 is approximately in a T shape and comprises a lower air groove 11 and air outlet grooves 12 which are arranged at two sides of the lower air groove 11 and communicated with the lower air groove 11; the lower air duct 11 is communicated with the first opening 21 of the air guide bracket 2, and the air outlet duct 12 is communicated with the water tank 6.

Therefore, the airflow blown to the water tank 6 in the auxiliary air duct does not directly face the water tank 6, but enters the water tank 6 through the air guide groove 1, so that the backflow prevention effect is achieved; secondly, the air guide groove 1 is divided into the lower air groove 11 and the air outlet groove 12, so that the air speed of air flow entering the water tank 6 can be effectively reduced, dust and debris are filtered, and the water body in the water tank 6 is prevented from being polluted; finally, the air duct structure is composed of an air guide groove 1 and an air guide support 2, and the water tank 6 is easy to clean after being detached.

Referring to fig. 2-3, the downwind groove 11 includes a downwind plate 111, a left sidewall 114 disposed on the downwind plate 111, a right sidewall 115 disposed on the downwind plate 111, a front sidewall 112 disposed on the downwind plate 111, a buffer wall 113 disposed opposite to the front sidewall 112, and a water tank upper cover 61 respectively connected to the left sidewall 114, the right sidewall 115, the front sidewall 112, and the buffer wall 113, and the water tank upper cover 61 is provided with an air inlet 611 communicating with the first opening 21 of the wind guide bracket 2. The air outlet duct 12 includes an air guiding wall 121 disposed on both sides of the buffer wall 113, an air guiding plate 122 connected to the air guiding wall 121, an air outlet wall 123 disposed on the air guiding plate 122 and opposite to the air guiding wall 121, and a water tank upper cover 61 respectively connecting the air outlet wall 123 and the air guiding wall 121, wherein an air outlet 1231 communicating with the inside of the water tank 6 is disposed on the air outlet wall 123.

Therefore, when the air flow enters the air outlet groove 12 from the lower air groove 11, the air flow collides with the buffer wall 113, the direction of the air flow is changed, the flow speed is reduced, most of dust and debris attached to the air flow can fall off, and the pollution to the water body of the water tank 6 is reduced. In addition, the air outlet wall 123 is disposed on the air outlet groove 12, so as to block debris and prevent water in the water tank 6 from flowing backwards into the air guiding groove 1 through the air outlet 1231.

In the present embodiment, the buffer wall 113 and the air guide walls 121 on both sides are formed integrally. The one side outlet wall 123 is vertically connected to the left side wall 114 of the bottom wind plate 111, and the other side outlet wall 123 is vertically connected to the right side wall 115 of the bottom wind plate 111.

Example two

Referring to fig. 1-6 again, the second aspect of the present invention further provides a humidification fan, which includes a fan housing 4, an air duct structure provided as in the first embodiment, a fan 5, a water tank 6 and an air outlet mesh enclosure 7, wherein the air duct structure, the fan 5, the water tank 6 and the air outlet mesh enclosure 7 are all disposed in the fan housing 4, the air outlet mesh enclosure 7 is disposed at the rear side of the second opening 22, and the water tank 6 includes a water tank box 62 and a water tank upper cover 61 covering the water tank box 62.

Thus, the air flow draws in air from the outside through the air inlet of the fan housing 4 by the fan 5. Most of the air flows through the main air duct of the second opening 22 and then is blown out of the air flow through the air outlet mesh enclosure 7; another small part of the air flow enters the air guide groove 1 at the top of the water tank 6 through the auxiliary air duct of the first opening 21 and blows into the water tank 6 through the air outlet 1231 on the air guide groove 1.

In addition, a first sealing ring 31 is arranged between the first opening 21 of the wind guide bracket 2 and the fan housing 4, the first sealing ring 31 is sleeved at the lower end of the first opening 21, and the bottom of the first sealing ring 31 is abutted to the fan housing 4 to form waterproof sealing.

Referring to fig. 4-5, an atomizer 81 and a mist nozzle 82 communicated with the atomizer 81 are disposed in the water tank 6, a second sealing ring 32 is disposed between the mist outlet of the water tank 6 and the fan housing 4, and the lower portion of the second sealing ring 32 is sleeved at the mist outlet of the water tank 6; the upper portion of the second sealing ring 32 is provided with an elastic deformation portion 321 which abuts against the fan housing 4 to form a waterproof seal, and the elastic deformation portion 321 extends obliquely upward from the outer circumference of the second sealing ring 32 to the center of the circle.

Therefore, when the water tank 6 is installed in the fan housing 4, the elastic deformation portion 321 at the top of the second sealing ring 32 is deformed by an external force, and the elastic deformation portion 321 is tightly abutted to the bottom of the fan housing 4, so that the mist in the water tank 6 is prevented from seeping out and entering the fan housing 4 to cause a circuit failure.

In addition, the lower part of the second sealing ring 32 is also provided with a flange 322, and the flange 322 is sleeved on the mist outlet of the water tank 6. Therefore, the limiting function can be provided by arranging the flanging 322, so that the installation efficiency of the second sealing ring 32 is improved.

In this embodiment, the second sealing ring 32 is a circular ring structure and is made of a silica gel material; the elastic deformation portion 321 and the flange 322 are integrally formed with the second seal ring 32.

Referring to fig. 5, a third sealing ring 33 is further disposed between the fan housing 4 and the fog nozzle 82, the third sealing ring 33 is sleeved at the lower end of the fog nozzle 82, and the bottom of the third sealing ring 33 abuts against the fan housing 4 to form a waterproof seal.

Therefore, the mist in the water tank 6 is blown out from the mist outlet of the water tank 6 under the action of positive pressure, and is converged with the main air duct through the mist nozzle 82 and then blown out of the machine body, so that cool water vapor is carried in the fan.

To sum up, the utility model provides a pair of air duct structure and humidification fan of humidification fan has following beneficial effect:

in the air duct structure of the utility model, the air flow blowing to the water tank 6 in the auxiliary air duct does not directly face the water tank 6, but enters the water tank 6 through the air guide groove 1, thereby playing a role of preventing backflow; secondly, the air guide groove 1 is divided into the lower air groove 11 and the air outlet groove 12, so that the air speed of air flow entering the water tank 6 can be effectively reduced, dust and debris are filtered, and the water body in the water tank 6 is prevented from being polluted; finally, the air duct structure is composed of an air guide groove 1 and an air guide support 2, and the water tank 6 is easy to clean after being detached.

(two) the utility model discloses an air flue structure, air current can collide with buffer wall 113 from lower wind groove 11 entering air-out groove 12 time, and the air current direction changes and the velocity of flow reduces, and most dust and piece attached to in the air current can drop to the pollution of reduction to the water tank 6 water.

(III) the utility model discloses an air duct structure through setting up air-out wall 123, can be used to block the piece and prevent that the water in the water tank 6 from flowing backward into wind-guiding groove 1 through air outlet 1231.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The utility model provides an air channel structure of humidification fan which characterized in that includes:

the air guide groove (1) comprises a lower air groove (11) and air outlet grooves (12) which are arranged on two sides of the lower air groove (11) and communicated with the lower air groove (11); the air outlet groove (12) is communicated with the water tank (6);

the air guide support (2) comprises a first opening (21) communicated with the lower air groove (11), and the first opening (21) faces the fan (5) to form an auxiliary air channel.

2. The air duct structure according to claim 1, wherein the leeward tank (11) comprises a leeward plate (111), left and right front side walls provided on the leeward plate (111), a buffer wall (113) provided opposite to the front side wall (112) of the leeward plate (111), and a water tank upper cover (61) connected to the left and right front side walls of the leeward plate (111) and the buffer wall (113), respectively; an air inlet (611) communicated with the first opening (21) is formed in the water tank upper cover (61).

3. The air duct structure according to claim 2, wherein the air outlet duct (12) includes an air guide wall (121) disposed on both sides of the buffer wall (113), an air guide plate (122) connected to the air guide wall (121), an air outlet wall (123) disposed on the air guide plate (122) and opposite to the air guide wall (121), and the water tank upper cover (61) respectively connecting the air outlet wall (123) and the air guide wall (121); and an air outlet (1231) communicated with the inside of the water tank (6) is formed in the air outlet wall (123).

4. Humidifying fan, characterized in that it comprises a fan housing (4), an air channel structure according to any one of claims 1-3, a fan (5) and a water tank (6), the air channel structure, fan (5) and water tank (6) being arranged inside the fan housing (4).

5. Humidifying fan according to claim 4, characterized in that a first sealing ring (31) is provided between the first opening (21) of the air guiding bracket (2) and the fan housing (4), wherein:

the first sealing ring (31) is sleeved at the lower end of the first opening (21), and the bottom of the first sealing ring (31) is abutted with the fan shell (4) to form waterproof sealing.

6. The humidifying fan according to claim 4, wherein an atomizer (81) is provided in the water tank (6), and a second sealing ring (32) is provided between the mist outlet of the water tank (6) and the fan housing (4), wherein:

the lower part of the second sealing ring (32) is sleeved at the mist outlet of the water tank (6);

the upper portion of second sealing washer (32) is equipped with elastic deformation portion (321) in order to form waterproof sealing with fan housing (4) looks butt, elastic deformation portion (321) certainly the excircle circumference centre of a circle direction slope of second sealing washer (32) upwards extends.

7. The humidifying fan according to claim 6, wherein a flanging (322) is further arranged at the lower part of the second sealing ring (32), and the flanging (322) is sleeved on the mist outlet of the water tank (6).

8. The humidifying fan according to claim 7, wherein the elastically deforming part (321) and the turned-up edge (322) are integrally formed with the second gasket (32).

9. The humidifying fan according to claim 6, further comprising a mist nozzle (82) communicating with the atomizer (81), and a third sealing ring (33) is provided between the fan housing (4) and the mist nozzle (82), wherein:

the third sealing ring (33) is sleeved at the lower end of the fog nozzle (82), and the bottom of the third sealing ring (33) is abutted with the fan shell (4) to form waterproof sealing.

10. The humidifying fan according to claim 4, wherein the air guide bracket (2) further comprises a second opening (22) facing the fan (5) to form a main air duct; an air outlet net cover (7) is arranged on the rear side of the second opening (22).