CN112160929A

CN112160929A - Hang neck fan

Info

Publication number: CN112160929A
Application number: CN202011002014.9A
Authority: CN
Inventors: 刘月月
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-01-01

Abstract

The invention discloses a neck hanging fan, belonging to the technical field of fans and comprising a main body part and an external connection part; a main air outlet group is formed at the upper part of the main body part; an external air outlet set is formed at the upper part of the external connection part; the main body part is internally provided with a wind shield part and a centrifugal fan; the outer wall of the main body part is formed with a plug-in slot group; the two ends of the external connection part are formed with a plug column group. The invention adopts split type design, can be used independently or in combination, and can realize the adjustment of the blowing position; when the main body part is used, air can be blown to the neck part or the face part, and when the main body part and the external connection part are used, air can be blown to the face part; the invention is provided with the atomizer, which can increase the air humidity of the face or the neck and reduce the temperature of the neck or the vicinity of the face by means of the heat absorption of the evaporation of water; the face-blowing atomizing device is simple to operate and convenient to use, and the switching of the face-blowing atomizing function can be realized through the forward and reverse installation modes.

Description

Hang neck fan

Technical Field

The invention belongs to the technical field of fans, and particularly relates to a neck hanging fan.

Background

Chinese patent document No. CN2106263U discloses a hang neck fan, including being used for wearing the arc support on human neck and setting up the fan in the arc support, be equipped with the wind channel in the arc support, the fan is used for providing the air current in the wind channel, the arc support includes arc portion and the first extension section and the second extension section that are located the arc portion both ends, be equipped with a plurality of first air outlets in the arc portion, be equipped with a plurality of second air outlets on first extension section and/or the second extension section, each first air outlet, each second air outlet and wind channel intercommunication, the air current that comes out from first air outlet blows to the neck, the air current that comes out from the second air outlet blows to the face. The utility model discloses a hang neck fan can provide wind for a plurality of positions of human body, for example human neck and face, more can satisfy user's demand, and convenience of customers uses.

Although above-mentioned patent can blow to neck and face simultaneously, the user can have different demands to the cooling effect according to the in service behavior of reality when using, and a lot of users only need blow to the face sometimes when using, and the above-mentioned patent can not satisfy the in-service use demand.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the defects existing in the prior art, the split neck hanging fan which can blow to the neck and the face and can blow to the face independently is provided.

In order to realize the purpose of the invention, the following technical scheme is adopted for realizing the purpose: a neck hanging fan comprises a main body part capable of hanging on a neck part and an external connection part detachably connected with the main body part; two main air outlet groups for blowing air to the neck or the face are symmetrically formed at the upper part of the main body part; an external air outlet group used for blowing air to the face is formed on the upper portion of the external connection portion.

The main body part is internally and slidably connected with two wind shielding parts which can respectively seal the corresponding main air outlet groups; the main body part is internally and fixedly connected with a centrifugal fan used for blowing air.

When the main body part is separated from the external connection part, the wind shielding part does not seal the main air outlet group, and at the moment, only the main air outlet group blows air.

When the main body part and the external connection part are installed together, the external connection part can enable the wind shielding part to seal the main air outlet group, and at the moment, only the external air outlet group blows air.

The main body part is of a U-shaped structure, and plug groove groups are symmetrically formed on the outer wall of the main body part close to two ends of the main body part respectively; and plug column groups for being plugged with the corresponding plug groove groups are symmetrically formed at two ends of the external connection part respectively.

As a preferable scheme: the wind blocking part comprises a wind blocking plate which is connected in the main body part in a sliding mode and used for closing the main air outlet group.

The two ends of the main body part are respectively formed with a main body connecting hole which is communicated with the external connecting part; and sealing plates used for sealing the main body connecting holes are movably connected in the main body part close to the main body connecting holes respectively.

The wind shield part also comprises a transmission column which is connected in the main body part in a sliding way and can be abutted against the sealing plate, and a spring which is arranged in the main body part and is used for enabling the transmission column to move towards the sealing plate; the sliding direction of the transmission column is perpendicular to the main body connecting hole.

When the main body part is separated from the external connection part, the spring enables the transmission column to be abutted to the sealing plate, the sealing plate seals the main body connection hole, the wind shielding part does not seal the main air outlet group, and at the moment, only the main air outlet group blows air.

As a preferable scheme: each plug-in slot group comprises two plug-in slots which are symmetrically and longitudinally arranged; the upper end of the inserting groove is communicated with the outside.

A sliding groove communicated with the inside of the main body part is formed in the inserting groove; the last shaping of sealing plate has simultaneous sliding connection adjacent the sliding column in the sliding tray just the sliding column both ends warp the sliding tray extends to in the sliding tray.

Each inserting column group comprises two symmetrical and longitudinally arranged inserting columns which are used for being inserted into the inserting grooves; an open slot capable of being in sliding connection with the sliding column is formed in the inserting column; the open slot including be located open slot upper end can with sliding column sliding connection's open end and be located the open slot lower extreme can with sliding column offsets's closed end.

When the closed end is inserted into the bottom in the inserting groove, the wind blocking part seals the main air outlet group, the main body connecting hole is communicated with the external connection part, and at the moment, only the external air outlet group blows air.

As a preferable scheme: an atomizer is arranged in the external connecting part, and the atomizer is positioned at the lower part of the external connecting part and is provided with an atomizing nozzle spraying towards the face.

The bottoms of the two inner walls of one insertion groove are provided with electrodes a; and two outer walls of one insertion column are provided with electrodes b capable of being conducted with the electrodes a near the opening ends.

When the opening end is inserted into the bottom in the inserting groove, the sealing plate does not rotate, the electrode a is communicated with the electrode b, and the atomizer can spray to the face.

Compared with the prior art, the invention has the beneficial effects that: in an initial state, the power supply module has enough electric quantity, the spring enables the transmission column to be abutted against the sealing plate, and the sealing plate further enables the sealing plate to seal the main body connecting hole; the main air outlet is communicated with the vent holes.

When using this product neck or facial function of blowing, the main part is held to the hand, makes main air outlet wear the neck with the main part towards the top, presses the switch, and control module control centrifugal fan rotates, and outside air is in entering into the main part through the air intake, blows to neck or facial through ventilation hole and main air outlet (can suitably adjust and wear the position, makes the wind blow to the concrete site that needs the cooling). And pressing the switch again, and controlling the centrifugal fan to stop rotating by the control module.

When using this product face function of blowing, the main part is held to the hand, makes main air outlet wear the neck with the main part towards the top, and the hand holds external portion, makes external air outlet towards the top, makes external portion and main part relatively fixed in inserting the inserting groove with the grafting post. During the insertion process, the closed end of the open slot is abutted to the sliding column, and the sliding column slides along the sliding slot along with the insertion of the insertion column. The sealing plate synchronously overturns towards one side of the transmission column under the guiding action of the guiding slope, so that the main body connecting hole is communicated with the external connecting hole, and the sealing plate drives the transmission column to slide along the sliding track to compress the spring. When the inserting column is completely inserted into the inserting groove, the transmission column drives the wind shield to move to the limit position, and the vent hole is not communicated with the main air outlet. The switch is pressed, the control module controls the centrifugal fan to rotate, external air enters the main body portion through the air inlet, sequentially enters the external portion through the main body connecting hole and the external connecting hole, and then is blown to the face portion through the external air outlet. And pressing the switch again, and controlling the centrifugal fan to stop rotating by the control module. When the external connection part is taken down, the transmission column moves to the initial position through the elastic force of the spring, the sliding column further moves to the initial position along the sliding groove, and the main body connecting hole is sealed.

When the product is used for blowing and atomizing, the main body part is held by hands, and the main air outlet is made to face upwards to wear the main body part to the neck. And taking down the rubber plug, injecting a proper amount of water into the atomizer through the water injection hole, and re-plugging the rubber plug. The external connection part is held by the hand, the atomizing nozzle faces upwards, and the plug column is inserted into the plug groove to relatively fix the external connection part and the main body part. In the inserting process, the opening end of the opening groove is not abutted to the sliding column, and the sliding column slides along the opening groove. When the inserting column is completely inserted into the inserting groove, the sealing plate still closes the main body connecting hole, and at the moment, the electrode a is conducted with the electrode b. When the switch is pressed down, the control module controls the centrifugal fan to rotate, external air enters the main body part through the air inlet, and the air is blown to the neck or the face through the air vent and the main air outlet. At the same time, the atomizer starts to work, spraying on the face and neck. And the switch is pressed again, and the control module controls the centrifugal fan and the atomizer to stop working.

According to the invention, the sealing plate is arranged, when the main body part is separated from the external connection part, the transmission column is abutted against the sealing plate through the spring, and then the connecting hole of the main body is sealed; when external air outlet upwards made external portion and main part install together, the closed end of open slot made the slip post slide along the sliding tray, sealed the board and rotated to the spring direction in step, and then made the main part connecting hole open, external portion and main part intercommunication, when installing external portion, just can make external portion and main part intercommunication, and then realized the switching of air-out position, did not increase new operating procedure, convenient to use easy operation.

According to the invention, the open slot is arranged, when the external air outlet is upwards to enable the external connection part and the main body part to be installed together, the closed end of the open slot enables the sliding column to slide along the sliding slot, so that the main body connecting hole is opened, and the external connection part is communicated with the main body part; when the atomizing nozzle upwards makes external portion and main part install together, the sliding column slides along the open slot relatively, and the sliding column keeps making the main part connecting hole closed, and external portion and main part do not communicate, and different effects can be realized to same structure under two kinds of grafting modes of positive and negative, and the structure is retrencied relatively.

According to the invention, by arranging the centrifugal fan, when the main body part is separated from the external part, the centrifugal fan blows air to the neck part or the face part through the main air outlet; when the main body part and the external part are installed together, the centrifugal fan can blow air to the face part through the external air outlet; the centrifugal fan has multiple purposes and stronger practicability.

The invention adopts split type design, can be used independently or in combination, and can realize the adjustment of the blowing position; when the main body part is used, air can be blown to the neck part or the face part, and when the main body part and the external connection part are used, air can be blown to the face part; the invention is provided with the atomizer, which can increase the air humidity of the face or the neck and reduce the temperature of the neck or the vicinity of the face by means of the heat absorption of the evaporation of water; the face-blowing atomizing device is simple to operate and convenient to use, and the switching of the face-blowing atomizing function can be realized through the forward and reverse installation modes.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic cross-sectional structure of the present invention.

Fig. 3 is a schematic exploded view of the present invention.

Fig. 4 is a schematic structural view of the main body part of the present invention.

FIG. 5 is a schematic view of the external connection portion of the present invention.

Fig. 6 is a schematic structural view of the windshield of the present invention.

Fig. 7 is an exploded view of the atomizing area of the present invention.

Fig. 8 is a schematic structural view of the blowing atomization function of the present invention.

Fig. 9 is a schematic structural view of the face blowing function of the present invention.

FIG. 10 is a schematic view showing the structure of the connection between the electrode a and the electrode b according to the present invention.

1. A main body portion; 10. an electrode a; 11. a main air outlet; 12. inserting grooves; 13. a sliding groove; 14. a sliding track; 15. a spring mounting lug; 161. a lower support plate; 162. side supporting plates; 17. a main body connection hole; 18. a guide ramp; 19. an air inlet; 2. an external connection part; 20. an electrode b; 21. is externally connected with an air outlet; 22. inserting the column; 221. an open slot; 2211. a closed end; 2212. an open end; 23. connecting holes are externally connected; 3. a wind shield portion; 31. a wind deflector; 311. a vent hole; 32. a drive post; 33. a spring; 4. a sealing plate; 41. a sliding post; 5. a centrifugal fan; 6. an atomizing part; 60. an atomizer; 601. a water injection hole; 602. an atomizing spray head; 61. a rubber plug; 7. a control module; 8. and a power supply module.

Detailed Description

Example 1

As shown in fig. 1 to 10, the neck hanging fan of the present embodiment includes a main body portion 1 capable of hanging on a neck portion and an external connection portion 2 detachably connected to the main body portion 1; two main air outlet groups for blowing air to the neck or the face are symmetrically formed at the upper part of the main body part 1; an external air outlet group used for blowing air to the face is formed at the upper part of the external connection part 2.

The main body part 1 is formed by fixedly connecting two approximately same half shells through screws, and the external part 2 is formed by fixedly connecting two approximately same half shells through screws, so that corresponding structures and parts can be conveniently installed in the main body part 1 and the external part 2.

The main body part 1 is internally and slidably connected with two wind shielding parts 3 which can respectively seal the corresponding main air outlet groups; a centrifugal fan 5 for blowing air is fixedly connected in the main body 1.

Air inlets 19 enabling external air to enter the main body portion 1 are formed in the inner wall of the main body portion 1 and located on two sides of the centrifugal fan 5 respectively, gaps of the air inlets 19 are relatively small, hair cannot enter the main body portion 1, and the hair is prevented from being wound in the centrifugal fan 5.

A power module 8 and a control module 7 are fixedly connected in the main body part 1; the power module 8 and the centrifugal fan 5 are electrically connected with the control module 7.

When the main body part 1 is separated from the external connection part 2, the wind shielding part 3 does not seal the main air outlet group, and at the moment, only the main air outlet group blows air.

When the main body part 1 and the external connection part 2 are installed together, the external connection part 2 can enable the wind shielding part 3 to seal the main air outlet group, and at the moment, only the external air outlet group blows air.

The main body part 1 is of a U-shaped structure, and plug groove groups are symmetrically formed on the outer wall of the main body part 1 close to two ends of the main body part respectively; and plug column groups for being plugged with the corresponding plug groove groups are symmetrically formed at two ends of the external connection part 2 respectively.

The wind shielding part 3 comprises a wind shielding plate 31 which is connected in the main body part 1 in a sliding way and is used for sealing the main air outlet group; the main air outlet group comprises a plurality of uniformly arranged main air outlets 11; a vent hole 311 capable of communicating with the main air outlet 11 is formed in the air deflector 31.

A lower supporting plate 161 and a side supporting plate 162 are formed on the inner wall of the main body part 1; the lower supporting plate 161 and the side supporting plate 162 make the wind deflector 31 abut against the inner wall of the main body portion 1, so that the main air outlet 11 is not communicated with the vent hole 311, and the main air outlet group is closed, and meanwhile, the wind deflector 31 can slide along the inner wall of the straight edge of the U-shaped structure, so that the main air outlet 11 is communicated with the vent hole 311, and the main air outlet group is opened.

A main body connecting hole 17 communicated with the external connecting part 2 is formed at each of two ends of the main body part 1; external connection connecting holes 23 which are used for being communicated with the main body connecting holes 17 are formed at two ends of the external connection part 2; the sealing plates 4 used for sealing the main body connecting holes 17 are movably connected in the main body part 1 close to the main body connecting holes 17 respectively.

The wind shield part 3 further comprises a transmission column 32 which is slidably connected in the main body part 1 and is abutted against the sealing plate 4, and a spring 33 which is arranged in the main body part 1 and is used for enabling the transmission column 32 to move towards the sealing plate 4; the sliding direction of the transmission column 32 is perpendicular to the main body connection hole 17.

Sliding track groups which are connected with the transmission columns 32 in a sliding manner are respectively formed on the inner wall of the main body part 1; the sliding track group comprises two sliding tracks 14 which are symmetrically arranged in parallel; a spring mounting lug 15 is formed on one side, away from the main body connecting hole 17, of the sliding rail 14 on the inner wall of the main body part 1; the spring 33 is fixedly connected between one end of the transmission column 32 far away from the sealing plate 4 and the spring mounting lug 15.

When the main body portion 1 is separated from the external portion 2, the spring 33 enables the transmission column 32 to abut against the sealing plate 4, the sealing plate 4 seals the main body connecting hole 17, the wind blocking portion 3 does not seal the main air outlet group, the main air outlet 11 is communicated with the ventilation holes 311, and at the moment, only the main air outlet group blows air.

Under the current mode of use, the wind that centrifugal fan 5 produced is concentrated relatively blows neck or face, and no unnecessary wind is revealed for the cooling effect is better.

In an initial state, the spring 33 enables the transmission column 32 to be abutted against the sealing plate 4, so that the sealing plate 4 seals the main body connecting hole 17; at this time, the main air outlet 11 is communicated with the vent hole 311. When the neck or face blowing function of the product is used, the main air outlet 11 faces upwards to wear the main body part 1 to the neck, the switch is pressed, the control module 7 controls the centrifugal fan 5 to rotate, external air enters the main body part 1 through the air inlet 19, and the air is blown to the neck or face through the vent hole 311 and the main air outlet 11.

Each plug slot group comprises two plug slots 12 which are symmetrically and longitudinally arranged; the upper end of the inserting groove 12 is communicated with the outside.

A sliding groove 13 communicated with the interior of the main body part 1 is formed in the inserting groove 12; the sealing plate 4 is formed with a sliding column 41 which is connected with the adjacent sliding groove 13 in a sliding manner, and two ends of the sliding column 41 extend into the sliding groove 13 through the sliding groove 13.

Each plug column group comprises two symmetrical and longitudinally arranged plug columns 22 which are used for being plugged with the plug groove 12; an opening groove 221 capable of being in sliding connection with the sliding column 41 is formed in the plug column 22; the opening groove 221 includes an opening end 2212 located at the upper end of the opening groove 221 and capable of being slidably connected to the sliding column 41, and a closing end 2211 located at the lower end of the opening groove 221 and capable of abutting against the sliding column 41.

When the closed end 2211 is inserted into the bottom in the insertion groove 12, the wind blocking part 3 closes the main air outlet group, the main body connecting hole 17 is communicated with the external connection part 2, and at the moment, only the external air outlet group blows air.

A guide slope 18 convenient for the sealing plate 4 to rotate is formed on the inner wall of the shell 1 close to the main body connecting hole 17, when the main body 1 is separated from the external part 2, the lower end of the sealing plate 4 abuts against the guide slope 18, and at the moment, the sealing plate 4 seals the main body connecting hole 17; when the main body 1 and the extension portion 2 are mounted together, the sliding column 41 can slide downward along the sliding groove 13, and the lower end of the sealing plate 4 moves away from the main body connecting hole 17 under the guiding action of the guiding slope 18, so that the main body connecting hole 17 is opened.

The main body 1 is worn on the neck with the main outlet 11 facing upward, the external outlet 21 facing upward, and the plug-in post 22 is inserted into the plug-in groove 12. During insertion, the closed end 2211 will abut against the sliding post 41, causing the sliding post 41 to slide along the sliding slot 13. The sealing plate 4 is turned over under the guiding action of the guiding slope 18, so that the main body connecting hole 17 is communicated with the external connecting hole 23, and meanwhile, the sealing plate 4 drives the transmission column 32 to enable the transmission column to slide along the sliding rail 14 to the ventilation hole 311 and the main air outlet 11 which are not communicated. The switch is pressed, the control module 7 controls the centrifugal fan 5 to rotate, external air enters the main body part 1 through the air inlet 19, sequentially passes through the main body connecting hole 17 and the external connecting hole 23 and enters the external part 2, and then is blown to the face through the external air outlet 21.

The external part 2 is internally provided with an atomizer 60, and the atomizer 60 is positioned at the lower part of the external part 2 and is provided with an atomizing nozzle 602 which sprays towards the face.

The atomizer 60 is provided with a water injection hole 601 for injecting water into the atomizer 60; a rubber plug 61 is detachably, hermetically and in plug connection with the water injection hole 601; and pulling out the rubber plug 61, injecting water into the atomizer 60 through the water injection hole 601, and plugging back the rubber plug 61 again after the water injection is finished.

The bottoms of the two inner walls of one plug-in slot 12 are provided with electrodes a 10; the two outer walls of one of the plug posts 22 are provided with an electrode b20 adjacent to the open end 2212, which can be electrically connected with the electrode a 10.

The electrode a10 comprises a positive electrode and a negative electrode, and the electrode b20 comprises a positive electrode and a negative electrode which are correspondingly connected with the electrode a 10; the electrode a10 is electrically connected with the control module 7, and the electrode b20 is electrically connected with the atomizer 60.

When the open end 2212 is inserted into the bottom of the insertion slot 12, the sliding column 41 slides relatively along the open slot 221, the sealing plate 4 does not rotate, the electrode a10 is conducted with the electrode b20, and the atomizer 60 can spray to the face.

In an initial state, the power module 8 has enough electric quantity, the spring 33 enables the transmission column 32 to be abutted against the sealing plate 4, and the sealing plate 4 is further enabled to seal the main body connecting hole 17; the main air outlet 11 is now in communication with both vents 311.

When using this product neck or facial function of blowing, the main part 1 is held to the hand, makes main air outlet 11 wear the neck with main part 1 towards the top, presses the switch, and control module 7 control centrifugal fan 5 rotates, and outside air is in entering into main part 1 through air intake 19, through wind vent 311 and main air outlet 11 to neck or facial (can suitably adjust the position of wearing, make the wind blow to the concrete position that needs the cooling). The switch is pressed again and the control module 7 controls the centrifugal fan 5 to stop rotating.

When the face blowing function of the product is used, the main body part 1 is held by hands, the main air outlet 11 faces upwards to wear the main body part 1 to the neck, the external part 2 is held by hands, the external air outlet 21 faces upwards, and the plug column 22 is inserted into the plug groove 12 to enable the external part 2 and the main body part 1 to be relatively fixed. During insertion, the closed end 2211 of the open slot 221 will abut against the sliding post 41, and with the insertion post 22, the sliding post 41 will slide along the sliding slot 13. The sealing plate 4 will turn synchronously toward the transmission post 32 side under the guiding action of the guiding slope 18, so that the main body connection hole 17 communicates with the external connection hole 23, and at the same time, the sealing plate 4 will drive the transmission post 32 to slide along the sliding rail 14 so that the spring 33 is compressed. When the inserting column 22 is completely inserted into the inserting groove 12, the driving column 32 drives the wind deflector 31 to move to the limit position, and the vent hole 311 is not communicated with the main air outlet 11. When the switch is pressed down, the control module 7 controls the centrifugal fan 5 to rotate, external air enters the main body part 1 through the air inlet 19, enters the external part 2 through the main body connecting hole 17 and the external connecting hole 23 in sequence, and is blown to the face through the external air outlet 21. The switch is pressed again and the control module 7 controls the centrifugal fan 5 to stop rotating. When the extension 2 is removed, the spring force of the spring 33 causes the transmission post 32 to move to the initial position, and further causes the sliding post 41 to move to the initial position along the sliding groove 13, and the body connection hole 17 is closed.

When the product is used for the air blowing and atomizing function, the main body part 1 is held by hands, and the main air outlet 11 faces upwards to wear the main body part 1 to the neck. The rubber plug 61 is taken down, a proper amount of water is injected into the atomizer 60 through the water injection hole 601, and the rubber plug 61 is plugged back again. The external part 2 is held by a hand, the atomizing nozzle 602 is directed upward, and the plug pin 22 is inserted into the plug groove 12 to fix the external part 2 and the main body 1 relatively. During insertion, the open end 2212 of the open slot 221 does not abut against the sliding post 41, and the sliding post 41 slides along the open slot 221. When the plug post 22 is completely inserted into the plug groove 12, the sealing plate 4 still closes the body connection hole 17, and at this time, the electrode a10 is conducted to the electrode b 20. When the switch is pressed, the control module 7 controls the centrifugal fan 5 to rotate, external air enters the main body portion 1 through the air inlet 19, and is blown to the neck or the face through the air vent 311 and the main air outlet 11. At the same time, the atomizer 60 starts to operate, spraying on the face and neck. The switch is pressed again and the control module 7 controls the centrifugal fan 5 and the atomizer 60 to stop working.

According to the invention, by arranging the sealing plate 4, when the main body part 1 is separated from the external part 2, the spring 33 enables the transmission column 32 to be abutted against the sealing plate 4, so that the main body connecting hole 17 is sealed; when external air outlet 21 upwards makes external portion 2 and main part 1 install together, the closed end of open slot 221 makes sliding column 41 slide along sliding tray 13, seal board 41 and rotate to spring 33 direction in step, and then make main part connecting hole 17 open, external portion 2 and main part 1 intercommunication, when installing external portion 2, just can make external portion 2 and main part 1 intercommunication, and then realized the switching of air-out position, do not increase new operating procedure, convenient to use easy operation.

According to the invention, the opening groove 221 is arranged, when the external air outlet 21 is upwards to enable the external connection part 2 and the main body part 1 to be installed together, the sliding column 41 slides along the sliding groove 13 through the closed end of the opening groove 221, so that the main body connection hole 17 is opened, and the external connection part 2 is communicated with the main body part 1; when the atomizing nozzle 602 upwards enables the external connection part 2 and the main body part 1 to be installed together, the sliding column 41 slides relatively along the opening groove 221, the sliding column 41 keeps the main body connection hole 17 closed, the external connection part 2 is not communicated with the main body part 1, different functions can be realized under the two plug-in modes of positive and negative through the same structure, and the structure is relatively simplified.

According to the invention, by arranging the centrifugal fan 5, when the main body part 1 is separated from the external connection part 2, the centrifugal fan 5 blows air to the neck or the face through the main air outlet 11; when the main body part 1 and the external connection part 2 are installed together, the centrifugal fan 5 can blow air to the face through the external air outlet 21; the centrifugal fan 5 has a variety of uses and is more practical.

Claims

1. A hang neck fan which characterized in that: comprises a main body part capable of being hung on the neck part and an external connection part detachably connected with the main body part; two main air outlet groups for blowing air to the neck or the face are symmetrically formed at the upper part of the main body part; an external air outlet group used for blowing air to the face is formed at the upper part of the external connection part;

the main body part is internally and slidably connected with two wind shielding parts which can respectively seal the corresponding main air outlet groups; a centrifugal fan used for blowing air is fixedly connected in the main body part; when the main body part is separated from the external connection part, the wind shielding part does not seal the main air outlet group, and only the main air outlet group blows air at the moment; when the main body part and the external connecting part are installed together, the external connecting part can enable the wind shielding part to seal the main air outlet group, and at the moment, only the external air outlet group blows air; the main body part is of a U-shaped structure, and plug groove groups are symmetrically formed on the outer wall of the main body part close to two ends of the main body part respectively; and plug column groups for being plugged with the corresponding plug groove groups are symmetrically formed at two ends of the external connection part respectively.

2. The neck hanging fan as claimed in claim 1, wherein: the wind shield part comprises a wind shield which is connected in the main body part in a sliding manner and is used for sealing the main air outlet group;

the two ends of the main body part are respectively formed with a main body connecting hole which is communicated with the external connecting part; sealing plates used for sealing the main body connecting holes are movably connected with the main body connecting holes in the main body part and close to the main body connecting holes respectively;

the wind shield part also comprises a transmission column which is connected in the main body part in a sliding way and can be abutted against the sealing plate, and a spring which is arranged in the main body part and is used for enabling the transmission column to move towards the sealing plate; the sliding direction of the transmission column is vertical to the main body connecting hole;

3. The neck hanging fan as claimed in claim 2, wherein: each plug-in slot group comprises two plug-in slots which are symmetrically and longitudinally arranged; the upper end of the inserting groove is communicated with the outside;

a sliding groove communicated with the inside of the main body part is formed in the inserting groove; sliding columns which are simultaneously connected in the adjacent sliding grooves in a sliding mode are formed on the sealing plate, and two ends of each sliding column extend into the corresponding sliding groove through the corresponding sliding groove;

each inserting column group comprises two symmetrical and longitudinally arranged inserting columns which are used for being inserted into the inserting grooves; an open slot capable of being in sliding connection with the sliding column is formed in the inserting column; the open slot comprises an open end which is positioned at the upper end of the open slot and can be in sliding connection with the sliding column and a closed end which is positioned at the lower end of the open slot and can be abutted against the sliding column;

4. A neck hanging fan as claimed in claim 3, wherein: an atomizer is arranged in the external connecting part, and an atomizing nozzle which sprays towards the face is arranged on the lower part of the atomizer;

the bottoms of the two inner walls of one insertion groove are provided with electrodes a; two outer walls of one plug-in post are provided with an electrode b which can be conducted with the electrode a near the opening end;