CN217582553U - Hanging neck fan - Google Patents

Abstract

The utility model discloses a hang neck fan, including the support and set up in first fan and second fan in the support, be formed with first cavity and second cavity in the support, set up in the first cavity first fan forms the correspondence the first wind channel of first fan, set up in the second cavity the second fan forms the correspondence the second wind channel of second fan, first wind channel is including being close to relatively the first near-end of first fan is kept away from relatively the first distal end of first fan, the second fan is close to relatively first near-end is kept away from relatively first distal end, first wind channel and second wind channel are followed the width direction of support is separated and is arranged, be formed with the intercommunication on the support first wind channel, intercommunication the second air outlet of second fan, the utility model discloses promote holistic air-out wind-force when not increasing whole size, let the people more comfortable.

Description

Hanging neck fan

Technical Field

The utility model relates to a fan technical field especially relates to a 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 are convenient for users to carry to provide cool air for the 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 support capable of being worn on the neck of a human body and a fan connected to the support. Because the whole size of hanging the neck fan is limited, the fan that uses is because the restriction of size air-out wind-force is little, and is limited to the effect of human body.

SUMMERY OF THE UTILITY MODEL

In view of this, a neck hanging fan capable of effectively improving the wind outlet force is provided.

The utility model provides a hang neck fan, includes the support and set up in first fan and second fan in the support, be formed with first cavity and second cavity in the support, set up in the first cavity first fan forms the first wind channel that corresponds first fan, set up in the second cavity the second fan forms the second wind channel that corresponds the second fan, first wind channel is including being close to relatively the first near-end of first fan and keeping away from relatively the first distal end of first fan, the second fan is close to relatively the first near-end and keeps away from relatively the first distal end, first wind channel with the second wind channel is followed the width direction of support separates and arranges, be formed with on the support and communicate the first air outlet in first wind channel, communicate the second air outlet in second wind channel.

Further, the first fan and the second fan are arranged at the tail end of the support, and the first air duct and the second air duct both extend towards the center of the support along the length direction of the support; or the first fan and the second fan are arranged in the center of the support, and the first air duct and the second air duct both extend towards the tail end of the support along the length direction of the support.

Further, the first fan and the second fan are both centrifugal fans and are opposite in rotation direction.

Furthermore, a separator is arranged in the support, the separator separates the first chamber, the second chamber and the third chamber from the support, a battery and a circuit board are arranged in the third chamber, and the battery is electrically connected with the first fan and the second fan through the circuit board.

Further, the partition comprises a first partition plate and a second partition plate, the first air duct is formed between the first partition plate and the upper side wall of the support, the second air duct is formed between the second partition plate and the lower side wall of the support, and the third chamber is formed between the first partition plate and the second partition plate; the first air outlet is formed in the upper edge of the upper side wall and/or the inner side wall of the support, and the second air outlet is formed in the lower edge of the lower side wall and/or the inner side wall of the support.

Further, the circuit board and the battery are arranged at intervals with the inner side wall of the bracket.

Furthermore, a first control key and a second control key are connected to the circuit board, the first control key is used for controlling starting and stopping of the first fan and the second fan, and the second control key is used for controlling starting and stopping of the second fan.

Furthermore, the circuit board is provided with a control circuit electrically connected with the first control key and the second control key, and the control circuit enables the second control key to be pressed to independently close or open the second fan after the first control key is pressed to open the first fan and the second fan, and the first control key is pressed to control the rotating speeds of the first fan and the second fan.

Furthermore, a first control key and a second control key are connected to the circuit board, the first control key is used for controlling the starting, stopping and rotating speed of the first fan, and the second control key is used for controlling the starting, stopping and rotating speed of the second fan.

Furthermore, the support comprises two connected shells, a first cavity and a second cavity are formed in each shell, a first fan is arranged in each first cavity, and a second fan is arranged in each second cavity.

Compared with the prior art, the utility model discloses hang the neck fan and set up a plurality of fans and form both sides air supply about in the support, each fan can adopt small-size fan to control or reduce holistic size, and the combined action through a plurality of small-size fans promotes holistic air-out wind-force, strengthens the air supply effect simultaneously, lets the people more comfortable.

Drawings

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

Fig. 2 is an exploded view of the neck hanging fan shown in fig. 1.

Fig. 3 is another angular view of fig. 2.

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 same or similar reference numerals in the drawings of the utility model correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

The utility model provides a can dress in hanging neck fan of human neck department, as shown in fig. 1-3, according to the utility model discloses a hang neck fan include support 10 and set up first fan 20, the second fan 22 in support 10.

The whole support 10 is U-shaped, and the central part of the support forms a certain radian so as to be matched with the radian of the neck of a human body, so that the wearing comfort is improved. In this embodiment, the bracket 10 includes two shells 12 symmetrically disposed, and each shell 12 includes a first side end 121 and a second side end 122 opposite to each other in the length direction thereof. The first side ends 121 and the second side ends 122 of the two housings 12 are away from each other and integrally connected to form the bracket 10. Of course, in other embodiments, the second side ends 122 of the two housings 12 may be formed separately and connected by a snap, a screw, etc.; alternatively, the second side ends 122 of the two shells 12 may be movably connected by a connecting member, etc. to facilitate the adjustment of the shape of the stand 10. When the utility model discloses hang the neck fan and wear to human nape on, the second side 122 of two casings 12 forms the support with human nape, and two first sides 121 extend to the left and right both sides of nape respectively, are close to the position of shoulder. The two first side ends 121 are also the two ends of the bracket 10.

In the illustrated embodiment, there are two first fans 20 and two second fans 22, and one of the first fans 20 and one of the second fans 22 are disposed in each housing 12. The first fan 20 and the second fan 22 are preferably centrifugal fans, the air inlet side of each fan faces the inner side and/or the outer side of the casing 12, and the air outlet direction of each fan is along the length direction of the casing 12. In the illustrated embodiment, each housing 12 is provided with a partition to separate the interior space into a first chamber 123, a second chamber 124, and a third chamber 125. Specifically, the partition includes a first partition 14 and a second partition 16, the first partition 14 separating a first chamber 123 from an upper side wall of the housing 12, the second partition 16 separating a second chamber 124 from a lower side wall of the housing 12, the first partition 14 and the second partition 16 defining a third chamber 125 therebetween.

The first chamber 123 is provided with a first fan 20 therein and forms a first air duct 18 corresponding to the first fan 20, the first air duct 18 includes a first proximal end and a first distal end opposite to each other, the first proximal end is close to the first fan 20, and the first distal end is far away from the first fan 20. The second chamber 124 is provided with a second fan 22 therein and forms a second air duct 19 corresponding to the second fan 22, and the second air duct 19 includes a second proximal end and a second distal end opposite to each other, the second proximal end is close to the second fan 22, and the second distal end is far away from the second fan 22. The first air duct 18 and the second air duct 19 both extend along the length direction of the housing 12, and are spaced and arranged along the width direction of the housing 12 so as to be independent from each other, and thus mutual interference of air flows of the first fan 20 and the second fan 22 is avoided. Preferably, the first fan 20 and the second fan 22 are disposed near the first side end 121 of the housing 12, the air outlet of the first fan is toward the second side end 122 of the housing 12, and the second fan 22 is near the first proximal end of the first air duct 18 and far from the first distal end.

The first side 121 of the housing 12 is formed with a first air inlet 126 at a position corresponding to the first fan 20 and a second air inlet 127 at a position corresponding to the second fan 22. The first air duct 18 and the second air duct 19 both extend from the first side end 121 of the housing 12 toward the second side end 122, or from the end of the bracket 10 toward the center of the bracket 10. The first air duct 18 is formed between the first partition 14 and the upper side wall of the housing 12, and correspondingly, a first air outlet 128 communicated with the first air duct 18 is formed at the upper edge of the housing 12; the second air duct 19 is formed between the second partition plate 16 and the lower side wall of the casing 12, and correspondingly, a second air outlet 129 communicated with the second air duct 19 is formed at the lower edge of the casing 12. After entering the housing 12 through the first and second air inlets 126 and 127, the air flow flows along the first and second air ducts 18 and 19, and finally is sent out through the first and second air outlets 128 and 129, so as to form double-sided air supply.

In the present document, the orientation is defined in a state where the neck hanging fan is worn around the neck of a human body, the longitudinal direction of the frame 10/housing 12 is the direction in which the frame extends around the neck, and the width direction of the frame 10/housing 12 is the up-down direction; the side of the support 10/housing 12 facing the neck is its inner side, the side facing away from the neck is its outer side, the side facing the head is its upper side, and the side facing away from the head is its lower side. In addition, the upper edge of the case 12 includes the upper side wall of the case 12 and the upper edge of the inner side wall of the case 12, and the lower edge of the case 12 includes the lower side wall of the case 12 and the lower edge of the inner side wall of the case 12. That is, the first outlet 128 may be formed at an upper edge of the upper side wall and/or the inner side wall of the case 12; the second outlet 129 may be formed at a lower edge of the lower sidewall and/or the inner sidewall of the case 12.

In the illustrated embodiment, the housing 12 includes inner and outer shells 12a, 12b that snap together, wherein the inner shell 12a is generally "[" shaped in cross-section and includes a first sidewall 30a and second and third sidewalls 32a, 34a extending laterally from upper and lower edges of the first sidewall 30a, respectively. The outer shell 12b is thin and spaced apart from the first sidewall 30a of the inner shell 12a, and is connected between outer edges of the second and third sidewalls 32a, 34a. It should be understood that the inner shell 12a and the outer shell 12b may have other structures and connection manners, for example, the outer shell 12b may have a [ "shape structure, the inner shell 12a may have a thin plate shape, or both the inner shell 12a and the outer shell 12b may have an" L "shape structure; the inner casing 12a and the outer casing 12b may be fixedly connected by screws or the like after the first fan 20 and the second fan 22 are assembled, and the invention is not limited to the specific embodiment.

Correspondingly, the first sidewall 30a is an inner sidewall of the housing 12, the outer shell 12b is an outer sidewall of the housing 12, the second sidewall 32a is an upper sidewall of the housing 12, and the third sidewall 34a is a lower sidewall of the housing 12. In the illustration, the first air inlet 126 and the second air inlet 127 are formed on the first sidewall 30a and the housing 12b, respectively; the first outlet 128 is formed on the second sidewall 32a, the second outlet 129 is formed on the third sidewall 34a, and the first outlet 128 and the second outlet 129 are aligned with each other in the vertical direction. It should be understood that the first and second air inlets 126, 127 may be formed on the first side wall 30a or the housing 12 b; the first outlet 128 may also be formed on the upper edge of the first sidewall 30a, and the second outlet 129 may also be formed on the lower edge of the first sidewall 30 a.

Disposed within the third chamber 125 of the housing 12 is the circuit board 24 and a battery, preferably a rechargeable battery, which serves as a power source for the entire neck hanging fan; the circuit board 24 is provided with a control circuit, a charging circuit, and the like, and is connected with the battery, the first fan 20, and the second fan 22 through wires and the like to form a closed loop. Preferably, the battery and circuit board 24 are spaced from the housing 12, and particularly the first sidewall 30a of the housing 12, to prevent heat generated during operation from being conducted to the housing 12 and affecting the comfort of the neck. In this embodiment, the circuit board 24 and the battery are provided in only one of the housings 12, and one battery simultaneously supplies power to the first and second fans 20, 22 in both housings 12. In other embodiments, batteries may be provided within each of the two housings 12 to power the first and second fans 20, 22 within the respective housings 12.

Preferably, a first control button 26 and a second control button 28 are coupled to the circuit board 24 for controlling the operation of each of the first and second fans 20, 22. The first control button 26 and the second control button 28 are electrically connected to the control circuit on the circuit board 24, wherein the first control button 26 is used for controlling the start and stop of the first fan 20 and the second fan 22, and the second control button 28 is used for controlling the start and stop of the second fan 22. The control circuit enables the first control key 26 to be pressed to start the first fan 20 and the second fan 22, then the second control key 28 is pressed to independently close or start the second fan 22, and then the first control key 26 is pressed to control the rotating speeds of the first fan 20 and the second fan 22. Preferably, the shell 12b of the casing 12 is provided with a through hole 120 corresponding to the first control button 26 and the second control button 28, respectively, so that the control buttons 26 and 28 can protrude out of the casing 12 after assembly, which facilitates the user to press and control the operation of the neck hanging fan. It should be understood that in some embodiments, the control keys 26, 28 may also be touch-sensitive structures. In other embodiments, the operation of the two fans may be controlled by two control buttons, such as a first control button 26 for controlling the start, stop, and speed of the first fan 20 and a second control button 28 for controlling the start, stop, and speed of the second fan 22.

The utility model discloses hang neck fan is when using, and first fan 20 and second fan 22 turn to oppositely, send into first wind channel 18 and finally upwards blow off by first air outlet 128 if first fan 20 anticlockwise rotates, second fan 22 clockwise rotates sends into the air current second wind channel 19 and finally downwards blows off by second air outlet 129. Through the design of the upper and lower air ducts 18, 19, and the different rotation directions of the first fan 20 and the second fan 22, the airflow can smoothly flow to the corresponding upper and lower air outlets 128, 129, and finally, air outlet at the upper and lower sides is formed.

The utility model discloses hang the neck fan because the combined action of many fans, each fan can adopt the small-size fan to control or reduce holistic size, promotes holistic air-out wind-force simultaneously, strengthens the air supply effect, lets the people more nice and cool comfortable. Additionally, the utility model discloses hang the effect of neck fan through control button, can start first fan and second fan simultaneously when needs great wind-force, can close the rotational speed of second fan, the first fan of adjustment when needs less wind-force, more nimble in the use, not only the air supply effect is better, also more energy-concerving and environment-protective.

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 support, a first fan and a second fan, wherein the first fan and the second fan are arranged in the support, and the neck hanging fan is characterized in that a first cavity and a second cavity are formed in the support, the first fan is arranged in the first cavity and forms a first air duct corresponding to the first fan, the second fan is arranged in the second cavity and forms a second air duct corresponding to the second fan, the first air duct comprises a first near end relatively close to the first fan and a first far end relatively far away from the first fan, the second fan is relatively close to the first near end and relatively far away from the first far end, the first air duct and the second air duct are arranged in a separated mode along the width direction of the support, and a first air outlet communicated with the first air duct and a second air outlet communicated with the second air duct are formed in the support.

2. The neck hanging fan as claimed in claim 1, wherein the first and second fans are disposed at the ends of the bracket, and both the first and second air ducts extend toward the center of the bracket along the length direction of the bracket; or the first fan and the second fan are arranged in the center of the support, and the first air duct and the second air duct both extend towards the tail end of the support along the length direction of the support.

3. The neck fan of claim 2 wherein the first and second fans are centrifugal fans and turn in opposite directions.

4. The hanging neck fan as claimed in claim 1, wherein a separator is disposed in the bracket, the separator separating the first chamber, the second chamber and the third chamber in the bracket, a battery and a circuit board are disposed in the third chamber, and the battery is electrically connected to the first fan and the second fan through the circuit board.

5. The neck hanging fan of claim 4 wherein the divider comprises a first divider plate and a second divider plate, the first divider plate forming the first air channel with the upper sidewall of the bracket, the second divider plate forming the second air channel with the lower sidewall of the bracket, the first divider plate and the second divider plate forming the third chamber therebetween; the first air outlet is formed in the upper edge of the upper side wall and/or the inner side wall of the support, and the second air outlet is formed in the lower edge of the lower side wall and/or the inner side wall of the support.

6. The neck hanging fan of claim 4 wherein the circuit board and battery are spaced from the inner sidewall of the cradle.

7. The hanging neck fan as claimed in claim 4, wherein the circuit board is connected with a first control key and a second control key, the first control key is used for controlling the start and stop of the first fan and the second fan, and the second control key is used for controlling the start and stop of the second fan.

8. The neck fan as claimed in claim 7, wherein the circuit board is provided with a control circuit electrically connected to the first control button and the second control button, and the control circuit enables the second control button to be pressed to independently turn off or turn on the second fan after the first control button is pressed to turn on the first fan and the second fan, and then the first control button is pressed to control the rotation speed of the first fan and the second fan.

9. The neck fan as claimed in claim 4, wherein the circuit board is connected with a first control button and a second control button, the first control button is used for controlling the start, stop and rotation speed of the first fan, and the second control button is used for controlling the start, stop and rotation speed of the second fan.

10. The neckhanging fan of any one of claims 1-9, wherein the cradle comprises two coupled housings, each housing defining a first chamber and a second chamber, each first chamber having a first fan disposed therein and each second chamber having a second fan disposed therein.

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