CN214742220U

CN214742220U - Hanging neck fan

Info

Publication number: CN214742220U
Application number: CN202120794579.9U
Authority: CN
Inventors: 刘明明; 苏兆凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2021-11-16
Anticipated expiration: 2031-04-16

Abstract

The utility model discloses a neck hanging fan, which comprises a shell, wherein the shell comprises a neck hanging shell and a fan shell, the neck hanging shell is mutually communicated with the fan shell and is used for forming an air channel in the shell, and a plurality of first air outlet holes are formed in the upper surface of the neck hanging shell and the upper surface of the fan shell; the fan shell is internally provided with an accommodating cavity, and a fan assembly is arranged in the accommodating cavity; the fan is characterized in that a second air outlet hole is formed in the inner side face of the fan shell, an air inlet hole is formed in the outer side face of the fan shell, a filter screen disc is connected into the air inlet hole, and a filter cotton material layer is connected onto the outer end face of the filter screen disc. The utility model discloses technical scheme filters the air that gets into the shell by the fresh air inlet through setting up the filter pulp material layer at the fresh air inlet, has improved the cleanliness of the wind that the exhaust vent blew off.

Description

Hanging neck fan

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to hang neck fan.

Background

The air conditioner and the fan are household appliances essential for people in hot days, and relieve hot summer heat for people. For people on the way, in order to relieve the hot summer heat, a movable small fan, such as a handheld fan or a neck hanging fan, appears. In the prior art, a hanging neck fan generally comprises a U-shaped shell which can be worn on a neck and a fan assembly arranged in the shell, wherein the fan assembly comprises a circuit board with a USB interface, an electric switch button, a battery, a driving motor (motor) and a centrifugal impeller structure, the shell is provided with an air inlet hole and an air outlet hole, the battery provides electric power for the driving motor, the driving motor drives the centrifugal impeller structure to rotate, and under the action, air outside the shell enters an air channel of the shell from the air inlet hole and is discharged from the air outlet hole. This kind of hang neck fan is used in the open air more, therefore tiny particle impurity such as dust in the outdoor air often can follow air inlet department and get into in the shell, discharges from air outlet department again, directly blows skin department such as people's face and nape, easily causes the skin surface to adhere to more impurity, influences that skin is healthy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hang neck fan aims at ensuring to reduce or prevent that tiny impurity in the air is pumped to hanging the neck fan in.

In order to achieve the above object, the utility model provides a hang neck fan, a serial communication port, which comprises a housing, the shell includes hang the neck casing and connect in hang the fan casing at neck casing both ends, the fan casing with hang the neck casing and connect the back formation cross-section and be the U-shaped the shell, hang the neck casing with the fan casing communicates each other for form the wind channel in the inside of shell, hang the upper surface of neck casing and the upper surface of fan casing and all seted up a plurality of first exhaust vents, first exhaust vent is towards the head, a plurality of first exhaust vents distribute in the upper surface of shell along the radial direction of neck, first exhaust vent with the wind channel communicates each other;

an accommodating cavity is formed in the fan shell, the accommodating cavity is communicated with the air channel, and a fan assembly is installed in the accommodating cavity; the fan assembly comprises a fan shell, and is characterized in that a second air outlet is formed in the inner side surface of the fan shell, the second air outlet faces the neck, an air inlet is formed in the outer side surface of the fan shell, the fan assembly and the second air outlet are coaxially arranged, a filter screen disc is connected into the air inlet, the inner end surface of the filter screen disc faces the fan assembly, a filter cotton material layer is connected onto the outer end surface of the filter screen disc, and the filter cotton material layer is used for filtering air entering the accommodating cavity from the air inlet.

Optionally, the outer end face of the filter screen disc is provided with a support shaft in a protruding manner, the surface of the filter cotton material layer is provided with a shaft hole, and the filter cotton material layer is sleeved on the support shaft.

Optionally, the outer terminal surface of filter screen dish is provided with the protective cover, the protective cover with the coaxial setting of filter screen dish, the protective cover is connected on the back shaft, the protective cover the edge with be provided with the air inlet clearance between the inner wall of fresh air inlet, the filter pulp material layer sets up filter screen dish with between the protective cover.

Optionally, the protective cover is connected to the support shaft by a detachable structure.

Optionally, the detachable structure includes a sleeve structure, one end of the sleeve structure is fixedly connected to a terminal surface of the protective cover, and the supporting shaft is sleeved in the sleeve structure.

Optionally, detachable construction includes the magnet structure, the protective cover with the back shaft all uses the metal material preparation, the protective cover passes through the magnet structure with it is fixed that the back shaft magnetism is inhaled.

Optionally, the air inlet is a round hole, and the filter cotton material layer is in a shape of a circular sheet.

Optionally, be provided with the baffle in the string neck casing, will separate into first cavity and second cavity in the string neck casing, first cavity with the second cavity all with the wind channel communicates each other.

Optionally, the fan assembly includes a circuit board with a USB interface, an electric switch button, a battery, a driving motor and a centrifugal impeller structure, the electric switch button, the battery and the driving motor are respectively electrically connected to the circuit board, the circuit board and the battery are disposed in the fan housing, the USB interface and the electric switch button extend to the outer surface of the fan housing, the driving motor and the centrifugal impeller structure are disposed in the accommodating cavity, and the centrifugal impeller structure is connected to the motor shaft of the driving motor.

Optionally, the inner wall of the air inlet hole is provided with a clamping groove, the clamping groove extends along the edge direction of the filter cotton material layer, and the edge of the filter cotton material layer is clamped in the clamping groove.

The technical scheme of the utility model among, through set up the filter pulp material layer at the fresh air inlet, filter the air that gets into the holding intracavity by the fresh air inlet, improved the cleanliness of the wind that the exhaust vent blew off to customer's use experience has been increased. The utility model discloses the structure is exquisite, is worth popularizing and applying.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of a neck hanging fan of the present invention;

FIG. 2 is a schematic view of the structure of the fan casing of the neck hanging fan;

fig. 3 is a schematic perspective view of a neck hanging casing in the neck hanging fan of the present invention;

the reference numbers illustrate:

name (R)	Reference numerals	Name (R)	Reference numerals
				Hanging neck shell	1	Battery with a battery cell	224
Partition board	11	Driving motor	225
				The first chamber	111	Centrifugal impeller structure	226
Second chamber	112	First air outlet	23
				Fan shell	2	Second air outlet	24
Bottom shell	2A	Air inlet	25
				Face shell	2B	Filter screen disc	26
Base body	20	Supporting shaft	261
				Containing cavity	21	Protective cover	262
Fan assembly	22	Sleeve structure	2621
				USB interface	221	Air inlet gap	263
Circuit board	222	Layer of filter cotton material	27
				Electric switch button	223

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a hang neck fan.

Referring to fig. 1 to 3, fig. 1 is a schematic perspective view of an embodiment of a neck hanging fan of the present invention; FIG. 2 is a schematic view of the structure of the fan casing of the neck hanging fan; fig. 3 is a schematic perspective view of the neck hanging case in the neck hanging fan of the present invention.

In the embodiment of the present invention, the hanging neck fan comprises a housing, the housing comprises a hanging neck housing 1 and fan housings 2 connected to two ends of the hanging neck housing 1, the fan housings 2 and the hanging neck housing 1 are connected to form a housing with a U-shaped cross section, the hanging neck housing 1 and the fan housings 2 are communicated with each other to form an air duct inside the housing, the upper surface of the hanging neck housing 1 and the upper surface of the fan housings 2 are both provided with a plurality of first air outlet holes 23, the first air outlet holes 23 face the head, the plurality of first air outlet holes 23 are distributed on the upper surface of the housing along the radial direction of the neck, and the first air outlet holes 23 are communicated with the air duct; an accommodating cavity 21 is formed in the fan shell 2, the accommodating cavity 21 is communicated with the air channel, and a fan assembly 22 is installed in the accommodating cavity 21; second exhaust vent 24 has been seted up to fan housing 2's medial surface, second exhaust vent 24 orientation the neck, fresh air inlet 25 has been seted up to fan housing 2's lateral surface, fresh air inlet 25 fan assembly 22 with the mutual coaxial setting of second exhaust vent 24, filter screen disc 26 is connected to the fresh air inlet 25 in, filter screen disc 26's interior terminal surface orientation fan assembly 22, be connected with filter pulp material layer 27 on filter screen disc 26's the outer terminal surface, be used for the filtration follow fresh air inlet 25 gets into air in the holding chamber 21. As shown in fig. 1 and 2.

In practical application, the neck shell is hung at the rear part of the neck, the fan shell 2 is respectively positioned at two sides of the head and faces to the face of a person, outside air is sucked into the accommodating cavity 21 from the air inlet hole 25 by the fan assembly 22, and under the action of the fan assembly 22, airflow circulates along the air duct and is discharged from the first air outlet hole 24 and the second air outlet hole 24 to respectively blow and cool the skin at the head part, the neck part, the face of the person and the like. The filter cotton material layer 27 is arranged on the air inlet holes 25, so that air entering the accommodating cavity 21 from the air inlet holes 25 is filtered, the cleanliness of air blown out from the first air outlet holes 24 and the second air outlet holes 24 is improved, and the use experience of customers is improved. In practical application, the filter cotton material layer 27 is completely covered on the surface of the filter screen disc 26, and of course, the surface of the filter screen disc 26 is also provided with filter holes for allowing air to pass through, and the air is filtered by using the micro holes in the filter cotton material layer 27 and enters the accommodating cavity 21. On the other hand, the filtering cotton material layer 27 is used as a filtering material, so that the filtering material can be conveniently processed into a sheet structure with a small volume, and the filtering material is high in practicability and low in manufacturing cost. During installation, the edges of the sheet-shaped filter cotton material layer 27 can be glued on the inner wall of the air inlet hole 25, and of course, in order to realize the detachable and durable filter cotton material layer 27, the filter cotton material layer 27 can also be movably connected to the air inlet hole 25. In order to further realize the above-mentioned movable connection function, the present application is described with specific embodiments:

example 1

In the technical scheme of this application, the outer terminal surface of filter screen dish 26 is protruding to be provided with back shaft 261, filter pulp material layer 27 surface is provided with the shaft hole (not marked in the figure), filter pulp material layer 27 cup joints on the back shaft 261.

In practical application, because the filter pulp material layer 27 can be cut, the shaft hole is processed on the surface of the filter pulp material layer 27, the shaft hole is matched with the diameter of the supporting shaft 261, and the filter pulp material layer 27 can be quickly positioned and installed on the filter screen disc 26 in a sleeving manner for use.

Example 2

In this application technical scheme, as shown in fig. 2 and 3, the outer terminal surface of filter screen disc 26 is provided with protective cover 262, protective cover 262 with filter screen disc 26 is coaxial to be set up, protective cover 262 connects on the support shaft 261, the edge of protective cover 262 with be provided with air inlet clearance 263 between the inner wall of fresh air inlet 25, filter cotton material layer 27 sets up filter screen disc 26 with between the protective cover 262.

In practice, a protecting cover 262 is used to connect the support shaft 261 for further fixing the filter cotton material layer 27, and can be used to prevent the filter cotton material layer 27 from falling off the support shaft 261. Specifically, when the protecting cover 262 is fixed on the supporting shaft 261, the protecting cover 262 can be pressed against the filter cotton material layer 27, and the outside air enters the air inlet hole 25 from the air inlet gap 263, and then enters the accommodating cavity 21 after passing through the surface of the filter cotton material layer 27 exposed at the air inlet gap 263.

Further, in the present embodiment, the protecting cover 262 is detachably connected to the supporting shaft 261. In this application technical scheme, detachable construction includes sleeve structure 2621, sleeve structure 2621's one end fixed connection be in on the terminal surface of protective cover 262, support shaft 261 cover is established in the sleeve. Of course, the outer wall of the support shaft 261 can be provided with external threads and the inner wall of the sleeve structure 2621 can be provided with internal threads, which are threadedly coupled.

When the filter cotton material layer 27 needs to be replaced, the protective shell is taken down firstly, and then the filter cotton material layer 27 is taken down.

In other preferred embodiments, to achieve the detachable function, the detachable structure includes a magnet structure (not shown), the protecting cover 262 and the supporting shaft 261 are made of metal materials, and the protecting cover 262 is magnetically fixed to the supporting shaft 261 through the magnet structure. Similarly, when the filter cotton material layer 27 needs to be replaced, the protective shell is taken down first, and then the filter cotton material layer 27 is taken down.

In a further embodiment, when the protecting cover 262 is provided, the protecting cover 262 can be connected to the outer wall of the fan casing 2 by a hinge structure (not shown), and then the protecting cover 262 can be fixed to the outer wall of the fan casing 2 by a locking structure (not shown), so that the protecting cover 262 has a flip function, and at this time, the filter cotton material layer 27 can be directly fixed to the filter screen disc 26 without a support shaft 261 or shaft hole or the like_。

Example 3

In the technical scheme of this application, the inner wall of fresh air inlet 25 is provided with the draw-in groove (not drawn in the figure), the draw-in groove is followed the marginal direction extension of filter pulp material layer 27, the marginal card of filter pulp material layer 27 is established in the draw-in groove.

This kind of structure setting is through the edge of the fixed filter pulp material layer 27 of draw-in groove to fix filter pulp material layer 27 in fresh air inlet 25 department.

In the technical scheme of this application, the fresh air inlet 25 is the round hole, the filter pulp material layer 27 is the disc form.

This kind of structure setting has increased the stability and the homogeneity of intake. The filter cotton material layer 27 and the air inlet hole 25 are mutually matched in shape.

In this application technical scheme, be provided with baffle 11 in hanging neck casing 1, will divide into first cavity 111 and second cavity 112 in hanging neck casing 1, first cavity 111 with second cavity 112 all with the wind channel communicates each other.

In practical applications, the wind in the first chamber 111 and the wind in the second chamber 112 are both blown out from the first wind outlet 23. This kind of structure setting can concentrate and increase the air output, increases the cooling effect of blowing. In practical application, the neck hanging shell 1 is formed by two shells which are closed and connected (fixedly connected by a screw or a rivet), as shown in fig. 3, the structure is prior art, and the details are not repeated herein.

In the technical solution of the present application, the fan assembly 22 includes a circuit board 222 with a USB interface 221, an electric switch button 223, a battery 224, a driving motor 225, and a centrifugal impeller structure 226, the electric switch button 223, the battery 224, and the driving motor 225 are electrically connected to the circuit board 222, the circuit board 222 and the battery 224 are disposed in the fan housing 2, the USB interface 221 and the electric switch button 223 extend to an outer surface of the fan housing 2, the driving motor 225 and the centrifugal impeller structure 226 are disposed in the accommodating cavity 21, and the centrifugal impeller structure 226 is connected to a motor shaft (not labeled in the drawing) of the driving motor 225.

In practical application, an electric switch button 223 for controlling the on or off of the fan assembly 22 is disposed on the housing, the battery 224 is a rechargeable battery, and a USB interface 221 for charging the battery 224 is further disposed on the housing. The above structure is prior art and is not described herein.

In practical application, the fan housing 2 includes a bottom case 2A and a face case 2B, the bottom case 2A faces and is close to the neck of a person, after the bottom case 2A and the face case 2B are covered with each other, the inside of the bottom case corresponds to the fan assembly 22 to correspondingly form the accommodating cavity 21, the rest is a part of the air channel area in the housing, and the driving motor 225 and the battery 224 are respectively and fixedly mounted on the bottom case 2A through a base 20. The second air outlet 24 is arranged on the bottom shell 2A, and the air inlet 25 is arranged on the face shell 2B. The bottom case 2A and the front case 2B may be fixedly connected by screws (not shown) or rivets (not shown).

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The hanging neck fan is characterized by comprising a shell, wherein the shell comprises a hanging neck shell (1) and fan shells (2) connected to two ends of the hanging neck shell (1), the fan shells (2) are connected with the hanging neck shell (1) to form the shell with a U-shaped section, the hanging neck shell (1) is communicated with the fan shells (2) to form an air channel in the shell, a plurality of first air outlet holes (23) are formed in the upper surfaces of the hanging neck shell (1) and the fan shells (2), the first air outlet holes (23) face the head, the plurality of first air outlet holes (23) are distributed on the upper surface of the shell along the radial direction of a neck, and the first air outlet holes (23) are communicated with the air channel;

an accommodating cavity (21) is formed in the fan shell (2), the accommodating cavity (21) is communicated with the air channel, and a fan assembly (22) is installed in the accommodating cavity (21); second exhaust vent (24) have been seted up to the medial surface of fan casing (2), second exhaust vent (24) orientation the neck, fresh air inlet (25) have been seted up to the lateral surface of fan casing (2), fresh air inlet (25) fan assembly (22) with the mutual coaxial setting of second exhaust vent (24), filter screen dish (26) is connected to fresh air inlet (25) in, the interior terminal surface orientation of filter screen dish (26) fan assembly (22), be connected with filter pulp material layer (27) on the outer terminal surface of filter screen dish (26), be used for filtering the follow fresh air inlet (25) get into air in holding chamber (21).

2. The hanging neck fan as claimed in claim 1, wherein a supporting shaft (261) is protrusively arranged on the outer end face of the filter screen disc (26), a shaft hole is arranged on the surface of the filter cotton material layer (27), and the filter cotton material layer (27) is sleeved on the supporting shaft (261).

3. The hanging neck fan as claimed in claim 2, wherein the outer end face of the filter screen disc (26) is provided with a protective cover (262), the protective cover (262) is coaxially arranged with the filter screen disc (26), the protective cover (262) is connected to the support shaft (261), an air inlet gap (263) is arranged between the edge of the protective cover (262) and the inner wall of the air inlet hole (25), and the filter cotton material layer (27) is arranged between the filter screen disc (26) and the protective cover (262).

4. The collar fan as claimed in claim 3, wherein the protective cover (262) is connected to the support shaft (261) by a detachable structure.

5. The hanging neck fan as claimed in claim 4, wherein the detachable structure comprises a sleeve structure (2621), one end of the sleeve structure (2621) is fixedly connected to an end surface of the protecting cover (262), and the supporting shaft (261) is sleeved in the sleeve structure (2621).

6. The hanging neck fan as claimed in claim 4, wherein the detachable structure comprises a magnet structure, the protecting cover (262) and the supporting shaft (261) are made of metal material, and the protecting cover (262) is magnetically fixed with the supporting shaft (261) through the magnet structure.

7. The hanging neck fan as claimed in claim 1, wherein the air inlet holes (25) are round holes, and the filter cotton material layer (27) is disk-shaped.

8. The hanging neck fan as claimed in claim 1, characterized in that a partition (11) is arranged in the hanging neck casing (1) to divide the interior of the hanging neck casing (1) into a first chamber (111) and a second chamber (112), and the first chamber (111) and the second chamber (112) are communicated with the air channel.

9. The hanging neck fan as claimed in claim 1, wherein the fan assembly (22) comprises a circuit board (222) with a USB interface (221), an electric switch button (223), a battery (224), a driving motor (225) and a centrifugal impeller structure (226), the electric switch button (223), the battery (224) and the driving motor (225) are electrically connected with the circuit board (222), respectively, the circuit board (222) and the battery (224) are disposed in the fan housing (2), the USB interface (221) and the electric switch button (223) both extend to the outer surface of the fan housing (2), the driving motor (225) and the centrifugal impeller structure (226) are disposed in a receiving cavity (21), and the centrifugal impeller structure (226) is connected with a motor shaft of the driving motor (225).

10. The neck fan as claimed in claim 1, wherein the air inlet opening (25) is provided at its inner wall with a slot extending in the direction of the edge of the filter cotton layer (27), the edge of the filter cotton layer (27) being engaged in the slot.