CN213655192U - Hang neck fan - Google Patents

Abstract

The utility model discloses a hang neck fan, wear the frame and set up in the fan in the frame is worn to the neck including the neck, the neck is worn the frame and is used for wearing hang neck fan to human neck, including two relative first casings that set up, each first casing includes the first end of keeping away from human nape relatively and the second end that is close to human nape relatively, the fan sets up respectively in two first casings, first casing is formed with the runner that corresponds the fan and communicates the air outlet of runner and external world, the air outlet includes a back air outlet at least, back air outlet forms on the internal face of first casing and is close to the second end of first casing, the edge that the back air outlet is close to the second end of first casing inclines towards the first casing internal slope extends has the wind-guiding piece, the wind-guiding piece inclines towards the direction that the second end of first casing is located, partial air flow of the fan is directly blown to the back neck of the human body through the back air outlet, and the comfort level of a user is improved.

Description

Hang neck fan

Technical Field

The utility model relates to a fan technical field especially relates to hang neck fan.

Background

Along with the improvement of living standard, people also put higher demands on the comfort and the convenience of life. In recent years, various portable fans such as a handheld fan and a neck hanging fan are available on the market, and cool air can be provided to users at any time and any place. Compared with a handheld fan which needs to be held by hands, the neck hanging fan frame is arranged on the neck of a human body, so that the hands of a user can be liberated, and the fan frame is popular with the public.

The existing neck hanging fan is composed of a neck wearing frame capable of being worn on the neck of a human body and a fan arranged in the neck wearing frame, and an air channel corresponding to the fan and an air outlet communicated with the air channel and the outside are formed in the neck wearing frame. The air outlet is arranged towards the side neck of the human body, and forced airflow formed by the operation of the fan flows along the air duct and is finally directly blown to the side neck and the face of a user through the air outlet, so that the user is cool and comfortable. However, in a position where the neck wear rack is in contact with the neck of a human body, i.e., a back neck position, the air outlet of the conventional neck hanging fan is difficult to reach, which may be uncomfortable to a user to some extent.

SUMMERY OF THE UTILITY MODEL

In view of this, a neck hanging fan capable of blowing air to the back neck of a human body for heat dissipation is provided.

A neck hanging fan comprises a neck wearing frame and a fan arranged in the neck wearing frame, wherein the neck wearing frame is used for wearing the neck hanging fan to the neck of a human body and comprises two first shells which are oppositely arranged, each first shell comprises a first end which is relatively far away from the back neck of the human body and a second end which is relatively close to the back neck of the human body, the fans are respectively arranged in the two first shells, the first shells are provided with a flow passage corresponding to the fans and an air outlet communicated with the flow passage and the outside, the air outlet at least comprises a rear air outlet which is formed on the inner wall surface of the first shell and is close to the second end of the first shell, the edge of the rear air outlet, which is close to the second end of the first shell, extends towards the inside of the first shell in an inclined mode, and the air guide sheet inclines towards the direction away from the second end of the first shell.

Furthermore, an included angle between the air guide sheet and the inner wall surface of the first shell is 30-60 degrees.

Further, the air outlet further comprises an upper air outlet formed on the upper edge of the first shell, the upper air outlet is distributed between the first end and the second end of the first shell along the length direction of the first shell, and the rear air outlet is located below the upper air outlet in the up-down direction.

Further, the air outlet further comprises a lower air outlet formed at the lower edge of the first shell, the lower air outlet is distributed between the first end and the second end of the first shell along the length direction of the first shell, and the rear air outlet is located between the upper air outlet and the lower air outlet in the up-down direction.

Further, the width of the rear air outlet in the vertical direction is respectively greater than the width of the upper air outlet and the width of the lower air outlet.

Further, a wind shielding piece is arranged in the first shell and is positioned between the upper side wall and the lower side wall of the first shell; the runner is including being located the last lateral wall of first casing with keep out the wind upper portion runner between the piece and being located the lower lateral wall of first casing with keep out the wind lower part runner between the piece, go up the air outlet with upper portion runner intercommunication, down the air outlet with lower part runner intercommunication.

Further, along the flowing direction of the airflow in the first shell, the cross sections of the upper flow passage and the lower flow passage are gradually reduced and then gradually increased.

Further, the fan is located at a first end of the first housing, and the airflow flows within the first housing toward a second end of the first housing; the upper air outlet and the lower air outlet are distributed between the fan and the second end of the first shell, and the overall length of the upper air outlet and the lower air outlet in the first shell is not less than the length of the wind shielding piece.

Furthermore, a partition board is further arranged in the first shell, the partition board divides the inner space of the first shell into a first cavity and a second cavity, the wind shielding part is arranged in the first cavity and divides the first cavity into the upper flow channel and the lower flow channel, and the fan is arranged in the first cavity and corresponds to the upper flow channel and the lower flow channel.

Furthermore, a battery and a circuit board electrically connected with the battery and the fan are arranged in the second cavity.

Compared with the prior art, the utility model discloses hang neck fan's neck and wear to form the back air outlet on its position that is close to human nape, the partial air current of fan directly blows to human nape, increases user's comfort level.

Drawings

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

Fig. 2 is a sectional view of the neck hanging fan shown in fig. 1.

Fig. 3 is an exploded view of the neck hanging fan shown in fig. 1.

Fig. 4 is a schematic structural view of an inner shell of the neck hanging fan shown in fig. 3.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. One or more embodiments of the present invention are illustrated in the accompanying drawings to provide a more accurate and thorough understanding of the disclosed embodiments. It should be understood, however, that the present invention may be embodied in many different forms and is not limited to the embodiments described below.

The utility model provides a can dress hang neck fan on human neck, as shown in fig. 1-3, according to the utility model discloses an embodiment hangs neck fan includes that the neck wears frame 10 and sets up the fan 30 in the frame 10 is worn to the neck.

The neck wear rack 10 is generally U-shaped and includes two first housings 12 symmetrically disposed and a second housing 14 connected between the two first housings 12. In the illustrated embodiment, there are two fans 30 respectively disposed in the two first housings 12. When the neck hanging fan of the utility model is worn on the neck of a human body, the second shell 14 is supported at the back neck of the human body and is contacted with the back neck; the two first housings 12 are located at both sides of the neck, corresponding to the position of the lateral neck. Preferably, the second housing 14 is generally arcuate to conform to the curvature of the human nape. The second housing 14 may be made of a flexible material to increase the comfort of the wearer. In this embodiment, the first housing 12 and the second housing 14 are formed separately and then connected together by plugging. In other embodiments, the first housing 12 and the second housing 14 may be integrally connected to each other, or the two first housings 12 may be directly connected without the second housing 14.

The two first housings 12 are identical in structure, and each first housing 12 includes a first end 121 and a second end 123 opposite to each other along the length direction thereof. The first end 121 is far away from the second housing 14, and the second end 123 is connected with a corresponding side end of the second housing 14. The fans 30 are respectively disposed in the first ends 121 of the two first housings 12, and the two first ends 121 constitute the outer ends of the entire neck wear frame 10. In this document, with the utility model discloses each side of frame 10 is worn to orientation definition neck when hanging neck fan and wearing to human neck, if wear the wall of frame 10/first casing 12 towards neck one side when wearing for the neck and wear the inside wall of frame 10/first casing 12 for the neck, the wall of neck one side is worn for the neck and is worn the lateral wall of frame 10/first casing 12 for the neck, the wall of head one side is worn the last lateral wall of frame 10/first casing 12 for the neck, the wall of head one side is worn the lower lateral wall of frame 10/first casing 12 for the neck.

As shown in fig. 3, each first housing 12 is a hollow structure and includes an inner shell 16 and an outer shell 18 that are fastened together. Wherein the inner shell 16 is substantially "[" shaped in cross section and includes a first sidewall 161 and second and third sidewalls 163 and 165 extending laterally from upper and lower edges of the first sidewall 161, respectively. The outer shell 18 is spaced apart from and opposite the first side wall 161 of the inner shell 16, and the upper and lower edges of the outer shell 18 are connected to the outer edges of the second and third side walls 163 and 165, respectively. In the illustrated embodiment, the first sidewall 161 of the inner shell 16 is an inner sidewall of the first shell 12, the second sidewall 163 is an upper sidewall of the first shell 12, the third sidewall 165 is a lower sidewall of the first shell 12, and the outer shell 18 is an outer sidewall of the first shell 12. It should be understood that the inner shell 16 and the outer shell 18 may have other structures and connection manners, or may be a non-detachable structure integrally connected, and are not limited to the specific embodiment.

The fan 30 is disposed in the first housing 12 at a first end 121 thereof, and an airflow channel is formed in the first housing 12 along a length direction thereof extending from the fan 30 toward a second end 123 thereof. The fan 30 is preferably a centrifugal fan with the air inlet side facing the first side wall 161 of the first housing 12 and/or the casing 18 and the air outlet side facing the corresponding airflow channel. In the illustrated embodiment, the first side wall 161 and the housing 18 respectively form an air inlet 125 at a position corresponding to the blower 30 for external air to enter the first casing 12. The protective cover 19 is preferably made of a metal material, and covers the center of the air inlet 125 and forms a gap with the edge of the air inlet 125, so that the air can enter the first casing 12 through the gap, and meanwhile, impurities such as hair and the like can be prevented from falling into the first casing 12 through the air inlet 125 of the casing 18, which affects the use of the fan 30, and the appearance of the whole product is more beautiful.

A partition plate 20 extending in the longitudinal direction of the first casing 12 is provided in the first casing 12, and the partition plate 20 is located at a position substantially in the middle between the first side wall 161 and the casing 18, and partitions the internal space of the first casing 12 into a first chamber 22 and a second chamber 24. Wherein, the first chamber 22 is located between the partition board 20 and the first side wall 161, and is communicated with the fan 30; the second chamber 24 is located between the partition 20 and the housing 18 and is not in communication with the fan 30. In the illustrated embodiment, the length of the partition 20 is less than the length of the first housing 12. The partition plate 20 is bent toward one side end of the first end 121 to be connected with the housing 18, and the connection position of the two is located inside the air inlet 125 of the housing 18, so as to separate the fan 30 from the second chamber 24, and thus, the airflow of the fan 30 cannot enter the second chamber 24; a baffle 21 is formed at one side end of the partition 20 facing the second end 123, and the baffle 21 closes the second end 123 of the first casing 12, thereby isolating the first casing 12 from the second casing 14 and preventing the air flow of the fan 30 from entering the second casing 14. By the arrangement of the partition 20, the airflow of the fan 30 can only flow along the first chamber 22, so that the actual path of the airflow, i.e. the cross-sectional dimension of the first chamber 22 is reduced to half relative to the overall cross-sectional dimension of the first housing 12, effectively raising the flow velocity of the airflow in the first housing 12.

In this embodiment, a circuit board 32 and a battery 34 are disposed in the second chamber 24 of the first casing 12, and the battery 34 is electrically connected to the two fans 30 through the circuit board 32 to supply power to the two fans 30. Preferably, a charging interface 36 is further connected to the circuit board 32 for charging the battery 34, and an opening is formed on the second sidewall 163 of the first housing 12 to expose the charging interface 36, so as to facilitate connection with an external power source. In addition, a key switch 36 is disposed on the outer shell 18 of the first casing 12, and the key switch 36 is connected to the circuit board 32 for controlling the start and stop of the two fans 30. By disposing the battery 34 and the circuit board 32 in the second chamber 24, the air flow affecting the fan 30 can be avoided. In other embodiments, batteries 34 may be disposed in the two second chambers 24 to supply power to the two fans 30, and key switches 36 may be disposed on the two first housings 12 to control the operation of the two fans 30.

Referring to fig. 3 and 4, a wind shielding member 26 is disposed in the first chamber 22 to further reduce the size of the passage through which the airflow actually passes in the first housing 12. The wind shielding member 26 extends in the longitudinal direction of the first casing 12, and the wind shielding member 26 is located between the second and third side walls 163 and 165 in the height direction and spaced apart from the second and third side walls 163 and 165. The wind shield 26 separates an upper flow passage 221 and a lower flow passage 223 in the first chamber 22, wherein the upper flow passage 221 is located between the wind shield 26 and the second sidewall 163, and the lower flow passage 223 is located between the wind shield 26 and the third sidewall 165. Preferably, the wind shielding member 26 is a long shuttle structure with two narrow ends and a wide middle, and the narrow ends are respectively directed to the first end 121 and the second end 123 of the first housing 12. The shuttle-shaped wind shielding member 26 makes the cross sections of the upper flow passage 221 and the lower flow passage 223 gradually decrease and then gradually increase along the flow direction of the air flow, thereby forming a wind squeezing effect on the flowing air flow, and the air flow, particularly the air flow at the position far away from the fan 30, can have higher wind speed and larger wind pressure. Of course, in other embodiments, the wind shielding member 26 may not be provided, or only the upper outlet 123 or the lower outlet 127 may be provided.

In the illustrated embodiment, the wind deflector 26 is a hollow structure and is composed of a first wind deflector 28 and a second wind deflector 29 which are arranged in an up-down manner and connected to each other. The first wind deflector 28 and the second wind deflector 29 each extend along the length of the first housing 12, preferably as curved sheets, with the first wind deflector 28 being arched towards the second side wall 163 and the second wind deflector 29 being arched towards the third side wall 165. The first wind deflector 28 is connected to the corresponding side end of the second wind deflector 29 so that the wind deflector 26 has an elongated shuttle structure as a whole. In other embodiments, the wind shielding member 26 may be a solid structure, and the upper and lower sides of the wind shielding member 26 are curved and are arched toward the second and third sidewalls 163 and 165, respectively. In the present embodiment, the wind screen 26 is integrally connected to the first side wall 161 of the inner case 16. In other embodiments, the wind deflector 26 may be integrally formed with the bulkhead 20, or the wind deflector 26 may be separately formed and assembled with the inner shell 16 or the bulkhead 20.

Corresponding to the upper flow passage 221, the upper edge of the first casing 12, including the second side wall 163 and/or the upper edge of the first side wall 161 near the second side wall 163, forms the upper air outlet 126, and the air flowing along the upper flow passage 221 flows out of the first casing 12 through the upper air outlet 126 and blows toward the face. Corresponding to the lower flow passage 223, the lower edge of the first casing 12, including the third sidewall 165 and/or the lower edge of the first sidewall 161 close to the third sidewall 165, forms the lower air outlet 127, and the air flowing along the lower flow passage 223 flows out of the first casing 12 through the lower air outlet 127 and blows towards the side neck. The total length of the upper outlet 126/the lower outlet 127 on the first casing 12 is not less than the length of the wind shielding member 26, and preferably, is equivalent to the total length of the wind shielding member 26 and the rear outlet 128 on the first casing 12. The upper outlet 126 and the lower outlet 127 may be respectively formed by a plurality of openings, each of the openings is uniformly distributed along the length direction of the first housing 12 at intervals, and the rear outlet 128 faces the opening at the innermost side of the upper outlet 126/the lower outlet 127, that is, the opening closest to the second housing 14. In the illustrated embodiment, the openings of the upper and lower outlets 127 are both elongated holes, but the openings may have other shapes, such as round holes, square holes, etc.

The first casing 12 is further formed with a rear air outlet 128 on an inner wall surface thereof, i.e., a first side wall 161, to blow air to the back neck of the human body. In the airflow direction, the rear air outlet 128 is located behind the wind shielding member 26 and is disposed near the second end 123 of the first housing 12. In the height direction, the rear outlet 128 is staggered with the upper outlet 126 and the lower outlet 127. Specifically, in the vertical direction, the rear air outlet 128 is located at a position substantially in the middle of the first casing 12, that is, between the upper air outlet 126 and the lower air outlet 127, wherein the width of the rear air outlet 128 in the vertical direction is greater than the width of the upper air outlet 126 and the width of the lower air outlet 127 respectively. Preferably, an air guiding sheet 129 is formed at an edge of the rear air outlet 128 close to the second end 123 of the first casing 12, the air guiding sheet 129 extends obliquely from a side of the rear air outlet 128 close to the second casing 14 toward the inside of the first casing 12, an oblique direction of the air guiding sheet 129 is opposite to a flow direction of the air flow, that is, the air guiding sheet 129 extends away from the second casing 14, that is, the air guiding sheet 129 is oblique toward a direction away from the second end 123 of the first casing 12. Preferably, the included angle between the wind guiding sheet 129 and the first side wall 161 is 30 to 60 degrees, and preferably 45 degrees. The air guide plate 129 guides the airflow, so that more airflow is bent to flow towards the rear air outlet 128, and the air quantity blowing towards the rear neck is increased. In this embodiment, there are two rear air outlets 128 on each first housing 12, and in other embodiments, the rear air outlets 128 may be single or more.

When the fan 30 of the neck hanging fan of the present invention is started, the external air is sucked into the first casing 12 from the air inlet 125 of the first casing 12, and after being accelerated and pressurized by the fan 30, flows toward the second casing 14 along the first chamber 22 and is divided at the wind shielding member 26, and part of the air flow flows along the upper flow channel 221 and is blown to the face and the upper neck by the upper air outlet 126; part of the air flow flows along the lower flow passage 223 and is blown to the lower neck and the shoulder by the lower air outlet 127; part of the airflow reaches the rear of the wind screen 26 and is blown toward the nape by the rear outlet 128 under the guidance of the wind guide plate 129. The utility model discloses through set up baffle 20 in first casing 12 and keep apart out first cavity 22 and regard as the air current passageway, reduce the current cross-section of air current, promote the velocity of flow of air current; by providing the shuttle-shaped wind shielding member 26 in the first chamber 22, a wind squeezing effect is exerted on the flowing air flow, so that the upper wind outlet 126 and the lower wind outlet 127 still have sufficient wind power at a position far away from the fan, namely, a position close to the second housing 14; by providing the rear outlet 128 on the inner wall surface of the first housing 12, a part of the airflow is directly blown toward the rear neck. Therefore, the utility model discloses hang the neck fan and form radiating effectively face, side neck in, can wear the position that frame 10 contacted with to the nape promptly and form heat dissipation effectively, all-round promotion user's comfort level.

It should be noted that the present invention is not limited to the above embodiments, and other changes can be made by those skilled in the art according to the spirit of the present invention, and all the changes made according to the spirit of the present invention should be included in the scope of the present invention.

Claims (10)

1. A neck hanging fan comprises a neck wearing frame and a fan arranged in the neck wearing frame, wherein the neck wearing frame is used for wearing the neck hanging fan to the neck of a human body and comprises two first shells which are oppositely arranged, each first shell comprises a first end which is relatively far away from the back neck of the human body and a second end which is relatively close to the back neck of the human body, it is characterized in that the fans are respectively arranged in the two first shells, the first shells are provided with a flow passage corresponding to the fans and an air outlet communicated with the flow passage and the outside, the air outlet at least comprises a rear air outlet which is formed on the inner wall surface of the first shell and is close to the second end of the first shell, the edge of the rear air outlet, which is close to the second end of the first shell, extends towards the inside of the first shell in an inclined mode, and the air guide sheet inclines towards the direction away from the second end of the first shell.

2. The neck hanging fan as claimed in claim 1, wherein the angle between the air guiding sheet and the inner wall surface of the first casing is 30-60 degrees.

3. The hanging neck fan as claimed in claim 1 or 2, wherein the air outlet further comprises an upper air outlet formed at an upper edge of the first housing, the upper air outlet is distributed between the first end and the second end of the first housing along a length direction of the first housing, and the rear air outlet is located below the upper air outlet in an up-down direction.

4. The hanging neck fan as claimed in claim 3, wherein the air outlet further comprises a lower air outlet formed at a lower edge of the first casing, the lower air outlet is distributed between the first end and the second end of the first casing along a length direction of the first casing, and the rear air outlet is located between the upper air outlet and the lower air outlet in an up-down direction.

5. The neck hanging fan as claimed in claim 4, wherein the width of the rear outlet in the up-down direction is greater than the width of the upper outlet and the lower outlet, respectively.

6. The neck fan of claim 4 wherein a wind shield is further disposed within the first housing, the wind shield being positioned between the upper and lower sidewalls of the first housing; the runner is including being located the last lateral wall of first casing with keep out the wind upper portion runner between the piece and being located the lower lateral wall of first casing with keep out the wind lower part runner between the piece, go up the air outlet with upper portion runner intercommunication, down the air outlet with lower part runner intercommunication.

7. The neck hanging fan as claimed in claim 6, wherein the cross-sections of the upper and lower flow passages are gradually decreased and then gradually increased along the flow direction of the air flow in the first housing.

8. The neckhanging fan of claim 6, wherein the blower is located at a first end of the first housing, and the airflow flows within the first housing toward a second end of the first housing; the upper air outlet and the lower air outlet are distributed between the fan and the second end of the first shell, and the overall length of the upper air outlet and the lower air outlet in the first shell is not less than the length of the wind shielding piece.

9. The neck hanging fan as claimed in claim 6, wherein a partition is further disposed in the first housing, the partition divides the inner space of the first housing into a first chamber and a second chamber, the wind shielding member is disposed in the first chamber and divides the first chamber into the upper flow passage and the lower flow passage, and the fan is disposed in the first chamber and disposed corresponding to the upper flow passage and the lower flow passage.

10. The neck hanging fan as claimed in claim 9, wherein a battery and a circuit board electrically connecting the battery and the blower are disposed in the second chamber.

Images