CN217539054U - Novel mask fan - Google Patents

Abstract

The utility model provides a novel mask fan, which comprises a shell, a battery, a fan and a control circuit, wherein a containing cavity, a shell air inlet communicated with the containing cavity and a shell air outlet are arranged in the shell; the fan is provided with a fan air inlet and an air outlet, the fan air inlet and the shell air inlet are located in the same axis direction, a supporting piece used for supporting the mask is arranged at the top of the shell air inlet, and an installation position used for installing the control circuit, the battery and the fan is arranged in the containing cavity, so that the control circuit, the battery and the fan are horizontally arranged in parallel. The utility model discloses a set up the air guide and reduced the production and assemble the degree of difficulty, each part level setting has reduced the thickness of gauze mask fan in the casing moreover, dresses more comfortablely, and the air guide directly docks fan and air outlet moreover, and the wind-guiding distance is short, and the amount of wind loss is little.

Description

Novel mask fan

Technical Field

The utility model relates to an air conditioning technology field especially relates to a novel gauze mask fan.

Background

The existing mask can effectively filter air in the wearing process, but has the problem of sultriness when being used in summer, particularly in the midday and in hot weather, and heatstroke is easily caused when the mask is worn. The prior art discloses a mask fan, the centre gripping is carried out ventilation heat dissipation on the gauze mask, chinese patent publication CN215370355U discloses turbine wind channel formula mask fan as current, it includes fan shell, fan wheel subassembly, fan shell is including forming the first of box chamber, two lid, mask fan is still including setting up in the box chamber and separating into the baffle of wind channel chamber and part installation cavity with the box chamber, wherein the wind channel chamber is including the first, two wind channels that are linked together, first wind channel and part installation cavity are abreast and communicate with the air intake, the second wind channel is located one side of first wind channel and laminating part installation cavity and is linked together with the air outlet, gaseous gets into first wind channel from the air intake, and under the drive of fan wheel subassembly, the air current is discharged from the air outlet after flowing into the second wind channel along archimedes spiral. The utility model can greatly increase the air output under the same output power, improve the airflow flow efficiency in the mask cavity formed by the mask and the face, avoid sultriness and improve the breathing smoothness and comfort; on the other hand can prop up the cover chamber relatively, and when avoiding breathing, the comfort level that the gauze mask was worn is improved to gauze mask laminating skin. However, the existing mask fan is unreasonable in layout, large in thickness, low in production efficiency and poor in user experience.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a novel mask fan, which comprises a shell, a battery, a fan and a control circuit, wherein a containing cavity, a shell air inlet and a shell air outlet which are communicated with the containing cavity are arranged in the shell; the fan is provided with fan air inlet and fan-out wind gap, the fan air inlet with the casing air inlet is located same axis direction, the top of casing air inlet is provided with the support piece that is used for propping up the gauze mask, and casing air inlet and casing air outlet all are located between gauze mask and the human face during the use, and outside air passes through the gauze mask and filters the back and gets into the gauze mask fan, holds the intracavity and is provided with the confession the installation position of control circuit, battery, fan installation makes the level sets up side by side between control circuit, battery, the fan.

Preferably, the following steps: the casing includes interconnect's first casing and second casing, and first casing and/or second casing are provided with the setting element, and the setting element will the installation position divides into a plurality of blocks, control circuit, battery, fan set gradually in the installation position.

Preferably, the method comprises the following steps: an air cavity is formed between the fan air outlet and the shell air outlet, and an air guide piece is installed in the air cavity or an air guide plate is formed on the side wall of the air cavity.

Preferably, the method comprises the following steps: the fan includes mount pad, brushless motor and flabellum, and brushless motor includes stator, rotor and axis of rotation, and the stator is fixed in the mount pad, and the one end and the rotor fixed connection other end of axis of rotation rotate with the stator and be connected, and the flabellum encircles the setting at the periphery of rotor, install on the mount pad and fall the lid of making an uproar.

Preferably, the method comprises the following steps: the rotor is provided with and holds the chamber, holds the intracavity and encircles and be provided with the permanent magnet.

Preferably, the method comprises the following steps: the flabellum from with the outside direction that extends of outer wall of rotor bends the slope gradually.

Preferably, the method comprises the following steps: the air guide piece is internally provided with an air guide channel, one end of the air guide channel is communicated with the fan air outlet, the other end of the air guide channel is connected with the shell air outlet, and the air guide channel is gradually reduced from the fan air outlet to the shell air outlet.

Preferably, the method comprises the following steps: the bottom surface of the second shell is provided with an arc surface attached to the face of a human body.

Preferably, the method comprises the following steps: the shell is provided with a fixing clamp for fixing the mask fan on the mask.

Preferably, the method comprises the following steps: the fan air outlet is coincided with the shell air outlet.

The utility model has the advantages that:

1. the utility model provides a pair of novel gauze mask fan has reduced the production and the assembly degree of difficulty through setting up the wind-guiding piece, and each part level sets up the thickness that has reduced the gauze mask fan in the casing moreover, dresses more comfortablely.

2. The utility model provides a pair of novel gauze mask fan, air guide directly dock fan and casing air outlet, and the wind-guiding distance is short, and the amount of wind loss is little.

Drawings

Fig. 1 is a perspective view of the novel mask fan provided by the present invention.

Fig. 2 is an exploded view of the novel mask fan provided by the present invention.

Fig. 3 is a schematic view of the fan of the novel mask fan provided by the present invention.

Fig. 4 is a schematic diagram of a control circuit of the novel mask fan provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

It should be noted that, in order to avoid obscuring the present invention with unnecessary details, only the structures and/or processing steps closely related to the aspects of the present invention are shown in the drawings, and other details not relevant to the present invention are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1-4, the present invention provides a novel mask fan, which includes a casing 100, a battery 200, a fan 300 and a control circuit 400, wherein the casing 100 has a containing cavity, a casing air inlet 110 and a casing air outlet 120 communicated with the containing cavity; the housing air outlet 120 is disposed at a side of the housing 100, and the housing air inlet 110 is disposed in an axial direction of the housing 100, thereby forming an L-shaped airflow direction; the fan 300 is provided with a fan air inlet 301 and a fan air outlet 302, the fan air inlet 301 and the shell air inlet 110 are positioned in the same axial direction, a supporting piece 121 for supporting a mask is arranged at the top of the shell air inlet 110, the shell air inlet 110 and the shell air outlet 120 are both positioned in a space formed by the mask and the human face when the mask is used, external air enters the mask fan after being filtered by the mask, and air flow internal circulation is formed in the space formed by the mask and the human face; the supporting piece 121 supports the mask, and at least part of the supporting piece 121 forms a gap with the mask, so that air can flow into the mask conveniently; the containing cavity is internally provided with an installation position for installing the control circuit 400, the battery 200 and the fan 300, and the control circuit 400, the battery 200 and the fan 3000 are horizontally arranged in parallel, so that the thickness of the mask fan can be made thinner, and the whole mask fan is lighter.

In this embodiment: the casing 100 comprises a first casing 101 and a second casing 102 which are connected with each other, it can be understood that the second casing 102 is provided with a positioning element which divides the installation position into a plurality of blocks, the control circuit 400, the battery 200 and the fan 300 are sequentially arranged in the installation position, the specific positioning element can be a plurality of convex edges or positioning columns which are arranged in the casing, and the plurality of convex edges or positioning columns divide the placement area of the component, so that the installation is convenient; it is understood that the positioning member may be disposed on the first casing 101 or the second casing 102, or disposed on both the first casing 101 and the second casing 102. The first casing 101 and the second casing 102 may be fixedly connected by fastening, screwing, ultrasonic fixing, or the like.

In this embodiment: an air cavity is formed between the fan air outlet 302 and the shell air outlet 120, the air guide 500 which is independently arranged in the air cavity is installed, a partition plate is prevented from being arranged in the shell 100 to form an air channel, the processing difficulty of a mold is reduced, the installation is simpler, the air guide 500 is installed at the air outlet 120 and is adjacent to the fan 300, the flowing path of air is shortened, the air resistance is reduced, and the energy consumption is reduced.

It is understood that in other embodiments, a separate air guide 500 is not provided, but an air guide plate is formed on a side wall of the air cavity to guide the air flow.

In this embodiment: the fan 300 comprises a mounting seat 310, a brushless motor 320 and fan blades 330, wherein a fan inlet 301 corresponding to the housing inlet 110 is arranged at the top of the mounting seat 310, a fan outlet 302 corresponding to the housing outlet 120 is arranged at the side of the mounting seat 310, the brushless motor 320 comprises a stator 321, a rotor 322 and a rotating shaft 323, the stator 321 is fixed in the mounting seat 310, one end of the rotating shaft 323 is fixedly connected with the rotor 322, the other end of the rotating shaft is rotatably connected with the stator 321, and the fan blades 330 are arranged around the periphery of the rotor 322. The rotor 322 is provided with a receiving cavity, a permanent magnet 324 is disposed around the receiving cavity, and the stator is powered to generate a magnetic force to drive the rotor to rotate, it is understood that the mounting seat 310 may be a part integrally formed with the housing 100.

In this embodiment: the fan blades 330 are gradually bent and inclined from the direction extending outward from the outer wall of the rotor 322, so as to disturb the air and generate an airflow flowing from the air inlet 110 to the air outlet 120.

In this embodiment: be formed with the wind-guiding passageway in the air guide 500, the one end and the fan air outlet 302 of wind-guiding passageway link up, the other end and the air outlet of wind-guiding passageway link to each other, the wind-guiding passageway reduces gradually from the direction of fan air outlet 302 towards the air outlet, it is direct with the wind-guiding 500 connection air current behind the wind-guiding passageway that advances to reduce gradually to make the wind that the fan blew off like this accelerate, the distance of air current motion has been shortened, and the air current direction that fan 300 blew off also is unanimous with the wind-guiding passageway, the windage has been reduced, energy is saved.

In this embodiment: the case 100 is provided with a fixing clip 122 for fixing the mask fan to the mask, thereby facilitating the disassembly or assembly of the mask fan.

In this embodiment: the noise reduction cover 311 is installed on the mounting base 310, and on one hand, the noise reduction cover plays a role in reinforcement, and on the other hand, noise generated during the operation of the fan 300 can be subjected to noise reduction treatment.

In this embodiment: the control circuit comprises a PCB circuit board 410, a charging interface 420 and a control button 430, and it is understood that the charging interface 420 can be a USB interface or a metal wiring needle.

In this embodiment: charging port 420 is provided with dustproof plug 421, avoids charging port 420 to be blockked up, influences the use.

In this embodiment: the bottom surface of the second shell 102 is provided with an arc surface which is attached to the face of a human body, so that a user can use the mask comfortably.

In other embodiments: the fan outlet 302 coincides with the housing outlet 120, at which point the wind distance reaches the shortest state.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A novel mask fan is characterized in that: the fan comprises a shell, a battery, a fan and a control circuit, wherein an accommodating cavity, a shell air inlet and a shell air outlet which are communicated with the accommodating cavity are formed in the shell; the fan is provided with fan air intake and fan-out wind gap, the fan air intake with the casing air intake is located same axis direction, the top of casing air intake is provided with the support piece that is used for propping up the gauze mask, and casing air intake and casing air outlet all are located between gauze mask and the human face during the use, and outside air filters the back through the gauze mask and gets into the gauze mask fan, holds the intracavity and is provided with the confession the installation position of control circuit, battery, fan installation makes the level sets up side by side between control circuit, battery, the fan.

2. The novel mask fan according to claim 1, wherein: the casing includes interconnect's first casing and second casing, and first casing and/or second casing are provided with the setting element, and the setting element will the installation position divides into a plurality of blocks, control circuit, battery, fan set gradually in the installation position.

3. The novel mask fan of claim 1, wherein: an air cavity is formed between the fan air outlet and the shell air outlet, and an air guide piece is installed in the air cavity or an air guide plate is formed on the side wall of the air cavity.

4. The novel mask fan according to claim 3, wherein: the fan includes mount pad, brushless motor and flabellum, and brushless motor includes stator, rotor and axis of rotation, and the stator is fixed in the mount pad, and the one end and the rotor fixed connection other end of axis of rotation rotate with the stator and are connected, and the flabellum encircles the setting at the periphery of rotor, install on the mount pad and fall the lid of making an uproar.

5. The novel mask fan according to claim 4, wherein: the rotor is provided with and holds the chamber, holds the intracavity and encircles and be provided with the permanent magnet.

6. The novel mask fan according to claim 4, wherein: the flabellum from with the outside direction that extends of rotor bends the slope gradually.

7. The novel mask fan according to claim 4, wherein: the air guide piece is internally provided with an air guide channel, one end of the air guide channel is communicated with the fan air outlet, the other end of the air guide channel is connected with the shell air outlet, and the air guide channel is gradually reduced from the fan air outlet to the shell air outlet.

8. The novel mask fan of claim 2, wherein: the bottom surface of the second shell is provided with an arc surface attached to the face of a human body.

9. The novel mask fan of claim 1, wherein: the shell is provided with a fixing clamp for fixing the mask fan on the mask.

10. The novel mask fan of claim 1, wherein: the fan air outlet coincides with the shell air outlet.

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